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Commit | Line | Data |
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2c0262af FB |
1 | /* |
2 | * ARM translation | |
5fafdf24 | 3 | * |
2c0262af | 4 | * Copyright (c) 2003 Fabrice Bellard |
9ee6e8bb | 5 | * Copyright (c) 2005-2007 CodeSourcery |
18c9b560 | 6 | * Copyright (c) 2007 OpenedHand, Ltd. |
2c0262af FB |
7 | * |
8 | * This library is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License as published by the Free Software Foundation; either | |
11 | * version 2 of the License, or (at your option) any later version. | |
12 | * | |
13 | * This library is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * Lesser General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU Lesser General Public | |
8167ee88 | 19 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
2c0262af FB |
20 | */ |
21 | #include <stdarg.h> | |
22 | #include <stdlib.h> | |
23 | #include <stdio.h> | |
24 | #include <string.h> | |
25 | #include <inttypes.h> | |
26 | ||
27 | #include "cpu.h" | |
2c0262af | 28 | #include "disas.h" |
57fec1fe | 29 | #include "tcg-op.h" |
79383c9c | 30 | #include "qemu-log.h" |
1497c961 | 31 | |
7b59220e | 32 | #include "helper.h" |
1497c961 | 33 | #define GEN_HELPER 1 |
7b59220e | 34 | #include "helper.h" |
2c0262af | 35 | |
be5e7a76 DES |
36 | #define ENABLE_ARCH_4T arm_feature(env, ARM_FEATURE_V4T) |
37 | #define ENABLE_ARCH_5 arm_feature(env, ARM_FEATURE_V5) | |
38 | /* currently all emulated v5 cores are also v5TE, so don't bother */ | |
39 | #define ENABLE_ARCH_5TE arm_feature(env, ARM_FEATURE_V5) | |
9ee6e8bb PB |
40 | #define ENABLE_ARCH_5J 0 |
41 | #define ENABLE_ARCH_6 arm_feature(env, ARM_FEATURE_V6) | |
42 | #define ENABLE_ARCH_6K arm_feature(env, ARM_FEATURE_V6K) | |
43 | #define ENABLE_ARCH_6T2 arm_feature(env, ARM_FEATURE_THUMB2) | |
44 | #define ENABLE_ARCH_7 arm_feature(env, ARM_FEATURE_V7) | |
b5ff1b31 | 45 | |
86753403 | 46 | #define ARCH(x) do { if (!ENABLE_ARCH_##x) goto illegal_op; } while(0) |
b5ff1b31 | 47 | |
2c0262af FB |
48 | /* internal defines */ |
49 | typedef struct DisasContext { | |
0fa85d43 | 50 | target_ulong pc; |
2c0262af | 51 | int is_jmp; |
e50e6a20 FB |
52 | /* Nonzero if this instruction has been conditionally skipped. */ |
53 | int condjmp; | |
54 | /* The label that will be jumped to when the instruction is skipped. */ | |
55 | int condlabel; | |
9ee6e8bb PB |
56 | /* Thumb-2 condtional execution bits. */ |
57 | int condexec_mask; | |
58 | int condexec_cond; | |
2c0262af | 59 | struct TranslationBlock *tb; |
8aaca4c0 | 60 | int singlestep_enabled; |
5899f386 | 61 | int thumb; |
b5ff1b31 FB |
62 | #if !defined(CONFIG_USER_ONLY) |
63 | int user; | |
64 | #endif | |
5df8bac1 | 65 | int vfp_enabled; |
69d1fc22 PM |
66 | int vec_len; |
67 | int vec_stride; | |
2c0262af FB |
68 | } DisasContext; |
69 | ||
e12ce78d PM |
70 | static uint32_t gen_opc_condexec_bits[OPC_BUF_SIZE]; |
71 | ||
b5ff1b31 FB |
72 | #if defined(CONFIG_USER_ONLY) |
73 | #define IS_USER(s) 1 | |
74 | #else | |
75 | #define IS_USER(s) (s->user) | |
76 | #endif | |
77 | ||
9ee6e8bb PB |
78 | /* These instructions trap after executing, so defer them until after the |
79 | conditional executions state has been updated. */ | |
80 | #define DISAS_WFI 4 | |
81 | #define DISAS_SWI 5 | |
2c0262af | 82 | |
a7812ae4 | 83 | static TCGv_ptr cpu_env; |
ad69471c | 84 | /* We reuse the same 64-bit temporaries for efficiency. */ |
a7812ae4 | 85 | static TCGv_i64 cpu_V0, cpu_V1, cpu_M0; |
155c3eac | 86 | static TCGv_i32 cpu_R[16]; |
426f5abc PB |
87 | static TCGv_i32 cpu_exclusive_addr; |
88 | static TCGv_i32 cpu_exclusive_val; | |
89 | static TCGv_i32 cpu_exclusive_high; | |
90 | #ifdef CONFIG_USER_ONLY | |
91 | static TCGv_i32 cpu_exclusive_test; | |
92 | static TCGv_i32 cpu_exclusive_info; | |
93 | #endif | |
ad69471c | 94 | |
b26eefb6 | 95 | /* FIXME: These should be removed. */ |
a7812ae4 PB |
96 | static TCGv cpu_F0s, cpu_F1s; |
97 | static TCGv_i64 cpu_F0d, cpu_F1d; | |
b26eefb6 | 98 | |
2e70f6ef PB |
99 | #include "gen-icount.h" |
100 | ||
155c3eac FN |
101 | static const char *regnames[] = |
102 | { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", | |
103 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "pc" }; | |
104 | ||
b26eefb6 PB |
105 | /* initialize TCG globals. */ |
106 | void arm_translate_init(void) | |
107 | { | |
155c3eac FN |
108 | int i; |
109 | ||
a7812ae4 PB |
110 | cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env"); |
111 | ||
155c3eac FN |
112 | for (i = 0; i < 16; i++) { |
113 | cpu_R[i] = tcg_global_mem_new_i32(TCG_AREG0, | |
114 | offsetof(CPUState, regs[i]), | |
115 | regnames[i]); | |
116 | } | |
426f5abc PB |
117 | cpu_exclusive_addr = tcg_global_mem_new_i32(TCG_AREG0, |
118 | offsetof(CPUState, exclusive_addr), "exclusive_addr"); | |
119 | cpu_exclusive_val = tcg_global_mem_new_i32(TCG_AREG0, | |
120 | offsetof(CPUState, exclusive_val), "exclusive_val"); | |
121 | cpu_exclusive_high = tcg_global_mem_new_i32(TCG_AREG0, | |
122 | offsetof(CPUState, exclusive_high), "exclusive_high"); | |
123 | #ifdef CONFIG_USER_ONLY | |
124 | cpu_exclusive_test = tcg_global_mem_new_i32(TCG_AREG0, | |
125 | offsetof(CPUState, exclusive_test), "exclusive_test"); | |
126 | cpu_exclusive_info = tcg_global_mem_new_i32(TCG_AREG0, | |
127 | offsetof(CPUState, exclusive_info), "exclusive_info"); | |
128 | #endif | |
155c3eac | 129 | |
a7812ae4 | 130 | #define GEN_HELPER 2 |
7b59220e | 131 | #include "helper.h" |
b26eefb6 PB |
132 | } |
133 | ||
d9ba4830 PB |
134 | static inline TCGv load_cpu_offset(int offset) |
135 | { | |
7d1b0095 | 136 | TCGv tmp = tcg_temp_new_i32(); |
d9ba4830 PB |
137 | tcg_gen_ld_i32(tmp, cpu_env, offset); |
138 | return tmp; | |
139 | } | |
140 | ||
141 | #define load_cpu_field(name) load_cpu_offset(offsetof(CPUState, name)) | |
142 | ||
143 | static inline void store_cpu_offset(TCGv var, int offset) | |
144 | { | |
145 | tcg_gen_st_i32(var, cpu_env, offset); | |
7d1b0095 | 146 | tcg_temp_free_i32(var); |
d9ba4830 PB |
147 | } |
148 | ||
149 | #define store_cpu_field(var, name) \ | |
150 | store_cpu_offset(var, offsetof(CPUState, name)) | |
151 | ||
b26eefb6 PB |
152 | /* Set a variable to the value of a CPU register. */ |
153 | static void load_reg_var(DisasContext *s, TCGv var, int reg) | |
154 | { | |
155 | if (reg == 15) { | |
156 | uint32_t addr; | |
157 | /* normaly, since we updated PC, we need only to add one insn */ | |
158 | if (s->thumb) | |
159 | addr = (long)s->pc + 2; | |
160 | else | |
161 | addr = (long)s->pc + 4; | |
162 | tcg_gen_movi_i32(var, addr); | |
163 | } else { | |
155c3eac | 164 | tcg_gen_mov_i32(var, cpu_R[reg]); |
b26eefb6 PB |
165 | } |
166 | } | |
167 | ||
168 | /* Create a new temporary and set it to the value of a CPU register. */ | |
169 | static inline TCGv load_reg(DisasContext *s, int reg) | |
170 | { | |
7d1b0095 | 171 | TCGv tmp = tcg_temp_new_i32(); |
b26eefb6 PB |
172 | load_reg_var(s, tmp, reg); |
173 | return tmp; | |
174 | } | |
175 | ||
176 | /* Set a CPU register. The source must be a temporary and will be | |
177 | marked as dead. */ | |
178 | static void store_reg(DisasContext *s, int reg, TCGv var) | |
179 | { | |
180 | if (reg == 15) { | |
181 | tcg_gen_andi_i32(var, var, ~1); | |
182 | s->is_jmp = DISAS_JUMP; | |
183 | } | |
155c3eac | 184 | tcg_gen_mov_i32(cpu_R[reg], var); |
7d1b0095 | 185 | tcg_temp_free_i32(var); |
b26eefb6 PB |
186 | } |
187 | ||
b26eefb6 | 188 | /* Value extensions. */ |
86831435 PB |
189 | #define gen_uxtb(var) tcg_gen_ext8u_i32(var, var) |
190 | #define gen_uxth(var) tcg_gen_ext16u_i32(var, var) | |
b26eefb6 PB |
191 | #define gen_sxtb(var) tcg_gen_ext8s_i32(var, var) |
192 | #define gen_sxth(var) tcg_gen_ext16s_i32(var, var) | |
193 | ||
1497c961 PB |
194 | #define gen_sxtb16(var) gen_helper_sxtb16(var, var) |
195 | #define gen_uxtb16(var) gen_helper_uxtb16(var, var) | |
8f01245e | 196 | |
b26eefb6 | 197 | |
b75263d6 JR |
198 | static inline void gen_set_cpsr(TCGv var, uint32_t mask) |
199 | { | |
200 | TCGv tmp_mask = tcg_const_i32(mask); | |
201 | gen_helper_cpsr_write(var, tmp_mask); | |
202 | tcg_temp_free_i32(tmp_mask); | |
203 | } | |
d9ba4830 PB |
204 | /* Set NZCV flags from the high 4 bits of var. */ |
205 | #define gen_set_nzcv(var) gen_set_cpsr(var, CPSR_NZCV) | |
206 | ||
207 | static void gen_exception(int excp) | |
208 | { | |
7d1b0095 | 209 | TCGv tmp = tcg_temp_new_i32(); |
d9ba4830 PB |
210 | tcg_gen_movi_i32(tmp, excp); |
211 | gen_helper_exception(tmp); | |
7d1b0095 | 212 | tcg_temp_free_i32(tmp); |
d9ba4830 PB |
213 | } |
214 | ||
3670669c PB |
215 | static void gen_smul_dual(TCGv a, TCGv b) |
216 | { | |
7d1b0095 PM |
217 | TCGv tmp1 = tcg_temp_new_i32(); |
218 | TCGv tmp2 = tcg_temp_new_i32(); | |
22478e79 AZ |
219 | tcg_gen_ext16s_i32(tmp1, a); |
220 | tcg_gen_ext16s_i32(tmp2, b); | |
3670669c | 221 | tcg_gen_mul_i32(tmp1, tmp1, tmp2); |
7d1b0095 | 222 | tcg_temp_free_i32(tmp2); |
3670669c PB |
223 | tcg_gen_sari_i32(a, a, 16); |
224 | tcg_gen_sari_i32(b, b, 16); | |
225 | tcg_gen_mul_i32(b, b, a); | |
226 | tcg_gen_mov_i32(a, tmp1); | |
7d1b0095 | 227 | tcg_temp_free_i32(tmp1); |
3670669c PB |
228 | } |
229 | ||
230 | /* Byteswap each halfword. */ | |
231 | static void gen_rev16(TCGv var) | |
232 | { | |
7d1b0095 | 233 | TCGv tmp = tcg_temp_new_i32(); |
3670669c PB |
234 | tcg_gen_shri_i32(tmp, var, 8); |
235 | tcg_gen_andi_i32(tmp, tmp, 0x00ff00ff); | |
236 | tcg_gen_shli_i32(var, var, 8); | |
237 | tcg_gen_andi_i32(var, var, 0xff00ff00); | |
238 | tcg_gen_or_i32(var, var, tmp); | |
7d1b0095 | 239 | tcg_temp_free_i32(tmp); |
3670669c PB |
240 | } |
241 | ||
242 | /* Byteswap low halfword and sign extend. */ | |
243 | static void gen_revsh(TCGv var) | |
244 | { | |
1a855029 AJ |
245 | tcg_gen_ext16u_i32(var, var); |
246 | tcg_gen_bswap16_i32(var, var); | |
247 | tcg_gen_ext16s_i32(var, var); | |
3670669c PB |
248 | } |
249 | ||
250 | /* Unsigned bitfield extract. */ | |
251 | static void gen_ubfx(TCGv var, int shift, uint32_t mask) | |
252 | { | |
253 | if (shift) | |
254 | tcg_gen_shri_i32(var, var, shift); | |
255 | tcg_gen_andi_i32(var, var, mask); | |
256 | } | |
257 | ||
258 | /* Signed bitfield extract. */ | |
259 | static void gen_sbfx(TCGv var, int shift, int width) | |
260 | { | |
261 | uint32_t signbit; | |
262 | ||
263 | if (shift) | |
264 | tcg_gen_sari_i32(var, var, shift); | |
265 | if (shift + width < 32) { | |
266 | signbit = 1u << (width - 1); | |
267 | tcg_gen_andi_i32(var, var, (1u << width) - 1); | |
268 | tcg_gen_xori_i32(var, var, signbit); | |
269 | tcg_gen_subi_i32(var, var, signbit); | |
270 | } | |
271 | } | |
272 | ||
273 | /* Bitfield insertion. Insert val into base. Clobbers base and val. */ | |
274 | static void gen_bfi(TCGv dest, TCGv base, TCGv val, int shift, uint32_t mask) | |
275 | { | |
3670669c | 276 | tcg_gen_andi_i32(val, val, mask); |
8f8e3aa4 PB |
277 | tcg_gen_shli_i32(val, val, shift); |
278 | tcg_gen_andi_i32(base, base, ~(mask << shift)); | |
3670669c PB |
279 | tcg_gen_or_i32(dest, base, val); |
280 | } | |
281 | ||
838fa72d AJ |
282 | /* Return (b << 32) + a. Mark inputs as dead */ |
283 | static TCGv_i64 gen_addq_msw(TCGv_i64 a, TCGv b) | |
3670669c | 284 | { |
838fa72d AJ |
285 | TCGv_i64 tmp64 = tcg_temp_new_i64(); |
286 | ||
287 | tcg_gen_extu_i32_i64(tmp64, b); | |
7d1b0095 | 288 | tcg_temp_free_i32(b); |
838fa72d AJ |
289 | tcg_gen_shli_i64(tmp64, tmp64, 32); |
290 | tcg_gen_add_i64(a, tmp64, a); | |
291 | ||
292 | tcg_temp_free_i64(tmp64); | |
293 | return a; | |
294 | } | |
295 | ||
296 | /* Return (b << 32) - a. Mark inputs as dead. */ | |
297 | static TCGv_i64 gen_subq_msw(TCGv_i64 a, TCGv b) | |
298 | { | |
299 | TCGv_i64 tmp64 = tcg_temp_new_i64(); | |
300 | ||
301 | tcg_gen_extu_i32_i64(tmp64, b); | |
7d1b0095 | 302 | tcg_temp_free_i32(b); |
838fa72d AJ |
303 | tcg_gen_shli_i64(tmp64, tmp64, 32); |
304 | tcg_gen_sub_i64(a, tmp64, a); | |
305 | ||
306 | tcg_temp_free_i64(tmp64); | |
307 | return a; | |
3670669c PB |
308 | } |
309 | ||
8f01245e PB |
310 | /* FIXME: Most targets have native widening multiplication. |
311 | It would be good to use that instead of a full wide multiply. */ | |
5e3f878a | 312 | /* 32x32->64 multiply. Marks inputs as dead. */ |
a7812ae4 | 313 | static TCGv_i64 gen_mulu_i64_i32(TCGv a, TCGv b) |
5e3f878a | 314 | { |
a7812ae4 PB |
315 | TCGv_i64 tmp1 = tcg_temp_new_i64(); |
316 | TCGv_i64 tmp2 = tcg_temp_new_i64(); | |
5e3f878a PB |
317 | |
318 | tcg_gen_extu_i32_i64(tmp1, a); | |
7d1b0095 | 319 | tcg_temp_free_i32(a); |
5e3f878a | 320 | tcg_gen_extu_i32_i64(tmp2, b); |
7d1b0095 | 321 | tcg_temp_free_i32(b); |
5e3f878a | 322 | tcg_gen_mul_i64(tmp1, tmp1, tmp2); |
b75263d6 | 323 | tcg_temp_free_i64(tmp2); |
5e3f878a PB |
324 | return tmp1; |
325 | } | |
326 | ||
a7812ae4 | 327 | static TCGv_i64 gen_muls_i64_i32(TCGv a, TCGv b) |
5e3f878a | 328 | { |
a7812ae4 PB |
329 | TCGv_i64 tmp1 = tcg_temp_new_i64(); |
330 | TCGv_i64 tmp2 = tcg_temp_new_i64(); | |
5e3f878a PB |
331 | |
332 | tcg_gen_ext_i32_i64(tmp1, a); | |
7d1b0095 | 333 | tcg_temp_free_i32(a); |
5e3f878a | 334 | tcg_gen_ext_i32_i64(tmp2, b); |
7d1b0095 | 335 | tcg_temp_free_i32(b); |
5e3f878a | 336 | tcg_gen_mul_i64(tmp1, tmp1, tmp2); |
b75263d6 | 337 | tcg_temp_free_i64(tmp2); |
5e3f878a PB |
338 | return tmp1; |
339 | } | |
340 | ||
8f01245e PB |
341 | /* Swap low and high halfwords. */ |
342 | static void gen_swap_half(TCGv var) | |
343 | { | |
7d1b0095 | 344 | TCGv tmp = tcg_temp_new_i32(); |
8f01245e PB |
345 | tcg_gen_shri_i32(tmp, var, 16); |
346 | tcg_gen_shli_i32(var, var, 16); | |
347 | tcg_gen_or_i32(var, var, tmp); | |
7d1b0095 | 348 | tcg_temp_free_i32(tmp); |
8f01245e PB |
349 | } |
350 | ||
b26eefb6 PB |
351 | /* Dual 16-bit add. Result placed in t0 and t1 is marked as dead. |
352 | tmp = (t0 ^ t1) & 0x8000; | |
353 | t0 &= ~0x8000; | |
354 | t1 &= ~0x8000; | |
355 | t0 = (t0 + t1) ^ tmp; | |
356 | */ | |
357 | ||
358 | static void gen_add16(TCGv t0, TCGv t1) | |
359 | { | |
7d1b0095 | 360 | TCGv tmp = tcg_temp_new_i32(); |
b26eefb6 PB |
361 | tcg_gen_xor_i32(tmp, t0, t1); |
362 | tcg_gen_andi_i32(tmp, tmp, 0x8000); | |
363 | tcg_gen_andi_i32(t0, t0, ~0x8000); | |
364 | tcg_gen_andi_i32(t1, t1, ~0x8000); | |
365 | tcg_gen_add_i32(t0, t0, t1); | |
366 | tcg_gen_xor_i32(t0, t0, tmp); | |
7d1b0095 PM |
367 | tcg_temp_free_i32(tmp); |
368 | tcg_temp_free_i32(t1); | |
b26eefb6 PB |
369 | } |
370 | ||
9a119ff6 PB |
371 | #define gen_set_CF(var) tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, CF)) |
372 | ||
b26eefb6 PB |
373 | /* Set CF to the top bit of var. */ |
374 | static void gen_set_CF_bit31(TCGv var) | |
375 | { | |
7d1b0095 | 376 | TCGv tmp = tcg_temp_new_i32(); |
b26eefb6 | 377 | tcg_gen_shri_i32(tmp, var, 31); |
4cc633c3 | 378 | gen_set_CF(tmp); |
7d1b0095 | 379 | tcg_temp_free_i32(tmp); |
b26eefb6 PB |
380 | } |
381 | ||
382 | /* Set N and Z flags from var. */ | |
383 | static inline void gen_logic_CC(TCGv var) | |
384 | { | |
6fbe23d5 PB |
385 | tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, NF)); |
386 | tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, ZF)); | |
b26eefb6 PB |
387 | } |
388 | ||
389 | /* T0 += T1 + CF. */ | |
396e467c | 390 | static void gen_adc(TCGv t0, TCGv t1) |
b26eefb6 | 391 | { |
d9ba4830 | 392 | TCGv tmp; |
396e467c | 393 | tcg_gen_add_i32(t0, t0, t1); |
d9ba4830 | 394 | tmp = load_cpu_field(CF); |
396e467c | 395 | tcg_gen_add_i32(t0, t0, tmp); |
7d1b0095 | 396 | tcg_temp_free_i32(tmp); |
b26eefb6 PB |
397 | } |
398 | ||
e9bb4aa9 JR |
399 | /* dest = T0 + T1 + CF. */ |
400 | static void gen_add_carry(TCGv dest, TCGv t0, TCGv t1) | |
401 | { | |
402 | TCGv tmp; | |
403 | tcg_gen_add_i32(dest, t0, t1); | |
404 | tmp = load_cpu_field(CF); | |
405 | tcg_gen_add_i32(dest, dest, tmp); | |
7d1b0095 | 406 | tcg_temp_free_i32(tmp); |
e9bb4aa9 JR |
407 | } |
408 | ||
3670669c PB |
409 | /* dest = T0 - T1 + CF - 1. */ |
410 | static void gen_sub_carry(TCGv dest, TCGv t0, TCGv t1) | |
411 | { | |
d9ba4830 | 412 | TCGv tmp; |
3670669c | 413 | tcg_gen_sub_i32(dest, t0, t1); |
d9ba4830 | 414 | tmp = load_cpu_field(CF); |
3670669c PB |
415 | tcg_gen_add_i32(dest, dest, tmp); |
416 | tcg_gen_subi_i32(dest, dest, 1); | |
7d1b0095 | 417 | tcg_temp_free_i32(tmp); |
3670669c PB |
418 | } |
419 | ||
ad69471c PB |
420 | /* FIXME: Implement this natively. */ |
421 | #define tcg_gen_abs_i32(t0, t1) gen_helper_abs(t0, t1) | |
422 | ||
9a119ff6 | 423 | static void shifter_out_im(TCGv var, int shift) |
b26eefb6 | 424 | { |
7d1b0095 | 425 | TCGv tmp = tcg_temp_new_i32(); |
9a119ff6 PB |
426 | if (shift == 0) { |
427 | tcg_gen_andi_i32(tmp, var, 1); | |
b26eefb6 | 428 | } else { |
9a119ff6 | 429 | tcg_gen_shri_i32(tmp, var, shift); |
4cc633c3 | 430 | if (shift != 31) |
9a119ff6 PB |
431 | tcg_gen_andi_i32(tmp, tmp, 1); |
432 | } | |
433 | gen_set_CF(tmp); | |
7d1b0095 | 434 | tcg_temp_free_i32(tmp); |
9a119ff6 | 435 | } |
b26eefb6 | 436 | |
9a119ff6 PB |
437 | /* Shift by immediate. Includes special handling for shift == 0. */ |
438 | static inline void gen_arm_shift_im(TCGv var, int shiftop, int shift, int flags) | |
439 | { | |
440 | switch (shiftop) { | |
441 | case 0: /* LSL */ | |
442 | if (shift != 0) { | |
443 | if (flags) | |
444 | shifter_out_im(var, 32 - shift); | |
445 | tcg_gen_shli_i32(var, var, shift); | |
446 | } | |
447 | break; | |
448 | case 1: /* LSR */ | |
449 | if (shift == 0) { | |
450 | if (flags) { | |
451 | tcg_gen_shri_i32(var, var, 31); | |
452 | gen_set_CF(var); | |
453 | } | |
454 | tcg_gen_movi_i32(var, 0); | |
455 | } else { | |
456 | if (flags) | |
457 | shifter_out_im(var, shift - 1); | |
458 | tcg_gen_shri_i32(var, var, shift); | |
459 | } | |
460 | break; | |
461 | case 2: /* ASR */ | |
462 | if (shift == 0) | |
463 | shift = 32; | |
464 | if (flags) | |
465 | shifter_out_im(var, shift - 1); | |
466 | if (shift == 32) | |
467 | shift = 31; | |
468 | tcg_gen_sari_i32(var, var, shift); | |
469 | break; | |
470 | case 3: /* ROR/RRX */ | |
471 | if (shift != 0) { | |
472 | if (flags) | |
473 | shifter_out_im(var, shift - 1); | |
f669df27 | 474 | tcg_gen_rotri_i32(var, var, shift); break; |
9a119ff6 | 475 | } else { |
d9ba4830 | 476 | TCGv tmp = load_cpu_field(CF); |
9a119ff6 PB |
477 | if (flags) |
478 | shifter_out_im(var, 0); | |
479 | tcg_gen_shri_i32(var, var, 1); | |
b26eefb6 PB |
480 | tcg_gen_shli_i32(tmp, tmp, 31); |
481 | tcg_gen_or_i32(var, var, tmp); | |
7d1b0095 | 482 | tcg_temp_free_i32(tmp); |
b26eefb6 PB |
483 | } |
484 | } | |
485 | }; | |
486 | ||
8984bd2e PB |
487 | static inline void gen_arm_shift_reg(TCGv var, int shiftop, |
488 | TCGv shift, int flags) | |
489 | { | |
490 | if (flags) { | |
491 | switch (shiftop) { | |
492 | case 0: gen_helper_shl_cc(var, var, shift); break; | |
493 | case 1: gen_helper_shr_cc(var, var, shift); break; | |
494 | case 2: gen_helper_sar_cc(var, var, shift); break; | |
495 | case 3: gen_helper_ror_cc(var, var, shift); break; | |
496 | } | |
497 | } else { | |
498 | switch (shiftop) { | |
499 | case 0: gen_helper_shl(var, var, shift); break; | |
500 | case 1: gen_helper_shr(var, var, shift); break; | |
501 | case 2: gen_helper_sar(var, var, shift); break; | |
f669df27 AJ |
502 | case 3: tcg_gen_andi_i32(shift, shift, 0x1f); |
503 | tcg_gen_rotr_i32(var, var, shift); break; | |
8984bd2e PB |
504 | } |
505 | } | |
7d1b0095 | 506 | tcg_temp_free_i32(shift); |
8984bd2e PB |
507 | } |
508 | ||
6ddbc6e4 PB |
509 | #define PAS_OP(pfx) \ |
510 | switch (op2) { \ | |
511 | case 0: gen_pas_helper(glue(pfx,add16)); break; \ | |
512 | case 1: gen_pas_helper(glue(pfx,addsubx)); break; \ | |
513 | case 2: gen_pas_helper(glue(pfx,subaddx)); break; \ | |
514 | case 3: gen_pas_helper(glue(pfx,sub16)); break; \ | |
515 | case 4: gen_pas_helper(glue(pfx,add8)); break; \ | |
516 | case 7: gen_pas_helper(glue(pfx,sub8)); break; \ | |
517 | } | |
d9ba4830 | 518 | static void gen_arm_parallel_addsub(int op1, int op2, TCGv a, TCGv b) |
6ddbc6e4 | 519 | { |
a7812ae4 | 520 | TCGv_ptr tmp; |
6ddbc6e4 PB |
521 | |
522 | switch (op1) { | |
523 | #define gen_pas_helper(name) glue(gen_helper_,name)(a, a, b, tmp) | |
524 | case 1: | |
a7812ae4 | 525 | tmp = tcg_temp_new_ptr(); |
6ddbc6e4 PB |
526 | tcg_gen_addi_ptr(tmp, cpu_env, offsetof(CPUState, GE)); |
527 | PAS_OP(s) | |
b75263d6 | 528 | tcg_temp_free_ptr(tmp); |
6ddbc6e4 PB |
529 | break; |
530 | case 5: | |
a7812ae4 | 531 | tmp = tcg_temp_new_ptr(); |
6ddbc6e4 PB |
532 | tcg_gen_addi_ptr(tmp, cpu_env, offsetof(CPUState, GE)); |
533 | PAS_OP(u) | |
b75263d6 | 534 | tcg_temp_free_ptr(tmp); |
6ddbc6e4 PB |
535 | break; |
536 | #undef gen_pas_helper | |
537 | #define gen_pas_helper(name) glue(gen_helper_,name)(a, a, b) | |
538 | case 2: | |
539 | PAS_OP(q); | |
540 | break; | |
541 | case 3: | |
542 | PAS_OP(sh); | |
543 | break; | |
544 | case 6: | |
545 | PAS_OP(uq); | |
546 | break; | |
547 | case 7: | |
548 | PAS_OP(uh); | |
549 | break; | |
550 | #undef gen_pas_helper | |
551 | } | |
552 | } | |
9ee6e8bb PB |
553 | #undef PAS_OP |
554 | ||
6ddbc6e4 PB |
555 | /* For unknown reasons Arm and Thumb-2 use arbitrarily different encodings. */ |
556 | #define PAS_OP(pfx) \ | |
ed89a2f1 | 557 | switch (op1) { \ |
6ddbc6e4 PB |
558 | case 0: gen_pas_helper(glue(pfx,add8)); break; \ |
559 | case 1: gen_pas_helper(glue(pfx,add16)); break; \ | |
560 | case 2: gen_pas_helper(glue(pfx,addsubx)); break; \ | |
561 | case 4: gen_pas_helper(glue(pfx,sub8)); break; \ | |
562 | case 5: gen_pas_helper(glue(pfx,sub16)); break; \ | |
563 | case 6: gen_pas_helper(glue(pfx,subaddx)); break; \ | |
564 | } | |
d9ba4830 | 565 | static void gen_thumb2_parallel_addsub(int op1, int op2, TCGv a, TCGv b) |
6ddbc6e4 | 566 | { |
a7812ae4 | 567 | TCGv_ptr tmp; |
6ddbc6e4 | 568 | |
ed89a2f1 | 569 | switch (op2) { |
6ddbc6e4 PB |
570 | #define gen_pas_helper(name) glue(gen_helper_,name)(a, a, b, tmp) |
571 | case 0: | |
a7812ae4 | 572 | tmp = tcg_temp_new_ptr(); |
6ddbc6e4 PB |
573 | tcg_gen_addi_ptr(tmp, cpu_env, offsetof(CPUState, GE)); |
574 | PAS_OP(s) | |
b75263d6 | 575 | tcg_temp_free_ptr(tmp); |
6ddbc6e4 PB |
576 | break; |
577 | case 4: | |
a7812ae4 | 578 | tmp = tcg_temp_new_ptr(); |
6ddbc6e4 PB |
579 | tcg_gen_addi_ptr(tmp, cpu_env, offsetof(CPUState, GE)); |
580 | PAS_OP(u) | |
b75263d6 | 581 | tcg_temp_free_ptr(tmp); |
6ddbc6e4 PB |
582 | break; |
583 | #undef gen_pas_helper | |
584 | #define gen_pas_helper(name) glue(gen_helper_,name)(a, a, b) | |
585 | case 1: | |
586 | PAS_OP(q); | |
587 | break; | |
588 | case 2: | |
589 | PAS_OP(sh); | |
590 | break; | |
591 | case 5: | |
592 | PAS_OP(uq); | |
593 | break; | |
594 | case 6: | |
595 | PAS_OP(uh); | |
596 | break; | |
597 | #undef gen_pas_helper | |
598 | } | |
599 | } | |
9ee6e8bb PB |
600 | #undef PAS_OP |
601 | ||
d9ba4830 PB |
602 | static void gen_test_cc(int cc, int label) |
603 | { | |
604 | TCGv tmp; | |
605 | TCGv tmp2; | |
d9ba4830 PB |
606 | int inv; |
607 | ||
d9ba4830 PB |
608 | switch (cc) { |
609 | case 0: /* eq: Z */ | |
6fbe23d5 | 610 | tmp = load_cpu_field(ZF); |
cb63669a | 611 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); |
d9ba4830 PB |
612 | break; |
613 | case 1: /* ne: !Z */ | |
6fbe23d5 | 614 | tmp = load_cpu_field(ZF); |
cb63669a | 615 | tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label); |
d9ba4830 PB |
616 | break; |
617 | case 2: /* cs: C */ | |
618 | tmp = load_cpu_field(CF); | |
cb63669a | 619 | tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label); |
d9ba4830 PB |
620 | break; |
621 | case 3: /* cc: !C */ | |
622 | tmp = load_cpu_field(CF); | |
cb63669a | 623 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); |
d9ba4830 PB |
624 | break; |
625 | case 4: /* mi: N */ | |
6fbe23d5 | 626 | tmp = load_cpu_field(NF); |
cb63669a | 627 | tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label); |
d9ba4830 PB |
628 | break; |
629 | case 5: /* pl: !N */ | |
6fbe23d5 | 630 | tmp = load_cpu_field(NF); |
cb63669a | 631 | tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label); |
d9ba4830 PB |
632 | break; |
633 | case 6: /* vs: V */ | |
634 | tmp = load_cpu_field(VF); | |
cb63669a | 635 | tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label); |
d9ba4830 PB |
636 | break; |
637 | case 7: /* vc: !V */ | |
638 | tmp = load_cpu_field(VF); | |
cb63669a | 639 | tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label); |
d9ba4830 PB |
640 | break; |
641 | case 8: /* hi: C && !Z */ | |
642 | inv = gen_new_label(); | |
643 | tmp = load_cpu_field(CF); | |
cb63669a | 644 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, inv); |
7d1b0095 | 645 | tcg_temp_free_i32(tmp); |
6fbe23d5 | 646 | tmp = load_cpu_field(ZF); |
cb63669a | 647 | tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label); |
d9ba4830 PB |
648 | gen_set_label(inv); |
649 | break; | |
650 | case 9: /* ls: !C || Z */ | |
651 | tmp = load_cpu_field(CF); | |
cb63669a | 652 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); |
7d1b0095 | 653 | tcg_temp_free_i32(tmp); |
6fbe23d5 | 654 | tmp = load_cpu_field(ZF); |
cb63669a | 655 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); |
d9ba4830 PB |
656 | break; |
657 | case 10: /* ge: N == V -> N ^ V == 0 */ | |
658 | tmp = load_cpu_field(VF); | |
6fbe23d5 | 659 | tmp2 = load_cpu_field(NF); |
d9ba4830 | 660 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
7d1b0095 | 661 | tcg_temp_free_i32(tmp2); |
cb63669a | 662 | tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label); |
d9ba4830 PB |
663 | break; |
664 | case 11: /* lt: N != V -> N ^ V != 0 */ | |
665 | tmp = load_cpu_field(VF); | |
6fbe23d5 | 666 | tmp2 = load_cpu_field(NF); |
d9ba4830 | 667 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
7d1b0095 | 668 | tcg_temp_free_i32(tmp2); |
cb63669a | 669 | tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label); |
d9ba4830 PB |
670 | break; |
671 | case 12: /* gt: !Z && N == V */ | |
672 | inv = gen_new_label(); | |
6fbe23d5 | 673 | tmp = load_cpu_field(ZF); |
cb63669a | 674 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, inv); |
7d1b0095 | 675 | tcg_temp_free_i32(tmp); |
d9ba4830 | 676 | tmp = load_cpu_field(VF); |
6fbe23d5 | 677 | tmp2 = load_cpu_field(NF); |
d9ba4830 | 678 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
7d1b0095 | 679 | tcg_temp_free_i32(tmp2); |
cb63669a | 680 | tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label); |
d9ba4830 PB |
681 | gen_set_label(inv); |
682 | break; | |
683 | case 13: /* le: Z || N != V */ | |
6fbe23d5 | 684 | tmp = load_cpu_field(ZF); |
cb63669a | 685 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); |
7d1b0095 | 686 | tcg_temp_free_i32(tmp); |
d9ba4830 | 687 | tmp = load_cpu_field(VF); |
6fbe23d5 | 688 | tmp2 = load_cpu_field(NF); |
d9ba4830 | 689 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
7d1b0095 | 690 | tcg_temp_free_i32(tmp2); |
cb63669a | 691 | tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label); |
d9ba4830 PB |
692 | break; |
693 | default: | |
694 | fprintf(stderr, "Bad condition code 0x%x\n", cc); | |
695 | abort(); | |
696 | } | |
7d1b0095 | 697 | tcg_temp_free_i32(tmp); |
d9ba4830 | 698 | } |
2c0262af | 699 | |
b1d8e52e | 700 | static const uint8_t table_logic_cc[16] = { |
2c0262af FB |
701 | 1, /* and */ |
702 | 1, /* xor */ | |
703 | 0, /* sub */ | |
704 | 0, /* rsb */ | |
705 | 0, /* add */ | |
706 | 0, /* adc */ | |
707 | 0, /* sbc */ | |
708 | 0, /* rsc */ | |
709 | 1, /* andl */ | |
710 | 1, /* xorl */ | |
711 | 0, /* cmp */ | |
712 | 0, /* cmn */ | |
713 | 1, /* orr */ | |
714 | 1, /* mov */ | |
715 | 1, /* bic */ | |
716 | 1, /* mvn */ | |
717 | }; | |
3b46e624 | 718 | |
d9ba4830 PB |
719 | /* Set PC and Thumb state from an immediate address. */ |
720 | static inline void gen_bx_im(DisasContext *s, uint32_t addr) | |
99c475ab | 721 | { |
b26eefb6 | 722 | TCGv tmp; |
99c475ab | 723 | |
b26eefb6 | 724 | s->is_jmp = DISAS_UPDATE; |
d9ba4830 | 725 | if (s->thumb != (addr & 1)) { |
7d1b0095 | 726 | tmp = tcg_temp_new_i32(); |
d9ba4830 PB |
727 | tcg_gen_movi_i32(tmp, addr & 1); |
728 | tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUState, thumb)); | |
7d1b0095 | 729 | tcg_temp_free_i32(tmp); |
d9ba4830 | 730 | } |
155c3eac | 731 | tcg_gen_movi_i32(cpu_R[15], addr & ~1); |
d9ba4830 PB |
732 | } |
733 | ||
734 | /* Set PC and Thumb state from var. var is marked as dead. */ | |
735 | static inline void gen_bx(DisasContext *s, TCGv var) | |
736 | { | |
d9ba4830 | 737 | s->is_jmp = DISAS_UPDATE; |
155c3eac FN |
738 | tcg_gen_andi_i32(cpu_R[15], var, ~1); |
739 | tcg_gen_andi_i32(var, var, 1); | |
740 | store_cpu_field(var, thumb); | |
d9ba4830 PB |
741 | } |
742 | ||
21aeb343 JR |
743 | /* Variant of store_reg which uses branch&exchange logic when storing |
744 | to r15 in ARM architecture v7 and above. The source must be a temporary | |
745 | and will be marked as dead. */ | |
746 | static inline void store_reg_bx(CPUState *env, DisasContext *s, | |
747 | int reg, TCGv var) | |
748 | { | |
749 | if (reg == 15 && ENABLE_ARCH_7) { | |
750 | gen_bx(s, var); | |
751 | } else { | |
752 | store_reg(s, reg, var); | |
753 | } | |
754 | } | |
755 | ||
be5e7a76 DES |
756 | /* Variant of store_reg which uses branch&exchange logic when storing |
757 | * to r15 in ARM architecture v5T and above. This is used for storing | |
758 | * the results of a LDR/LDM/POP into r15, and corresponds to the cases | |
759 | * in the ARM ARM which use the LoadWritePC() pseudocode function. */ | |
760 | static inline void store_reg_from_load(CPUState *env, DisasContext *s, | |
761 | int reg, TCGv var) | |
762 | { | |
763 | if (reg == 15 && ENABLE_ARCH_5) { | |
764 | gen_bx(s, var); | |
765 | } else { | |
766 | store_reg(s, reg, var); | |
767 | } | |
768 | } | |
769 | ||
b0109805 PB |
770 | static inline TCGv gen_ld8s(TCGv addr, int index) |
771 | { | |
7d1b0095 | 772 | TCGv tmp = tcg_temp_new_i32(); |
b0109805 PB |
773 | tcg_gen_qemu_ld8s(tmp, addr, index); |
774 | return tmp; | |
775 | } | |
776 | static inline TCGv gen_ld8u(TCGv addr, int index) | |
777 | { | |
7d1b0095 | 778 | TCGv tmp = tcg_temp_new_i32(); |
b0109805 PB |
779 | tcg_gen_qemu_ld8u(tmp, addr, index); |
780 | return tmp; | |
781 | } | |
782 | static inline TCGv gen_ld16s(TCGv addr, int index) | |
783 | { | |
7d1b0095 | 784 | TCGv tmp = tcg_temp_new_i32(); |
b0109805 PB |
785 | tcg_gen_qemu_ld16s(tmp, addr, index); |
786 | return tmp; | |
787 | } | |
788 | static inline TCGv gen_ld16u(TCGv addr, int index) | |
789 | { | |
7d1b0095 | 790 | TCGv tmp = tcg_temp_new_i32(); |
b0109805 PB |
791 | tcg_gen_qemu_ld16u(tmp, addr, index); |
792 | return tmp; | |
793 | } | |
794 | static inline TCGv gen_ld32(TCGv addr, int index) | |
795 | { | |
7d1b0095 | 796 | TCGv tmp = tcg_temp_new_i32(); |
b0109805 PB |
797 | tcg_gen_qemu_ld32u(tmp, addr, index); |
798 | return tmp; | |
799 | } | |
84496233 JR |
800 | static inline TCGv_i64 gen_ld64(TCGv addr, int index) |
801 | { | |
802 | TCGv_i64 tmp = tcg_temp_new_i64(); | |
803 | tcg_gen_qemu_ld64(tmp, addr, index); | |
804 | return tmp; | |
805 | } | |
b0109805 PB |
806 | static inline void gen_st8(TCGv val, TCGv addr, int index) |
807 | { | |
808 | tcg_gen_qemu_st8(val, addr, index); | |
7d1b0095 | 809 | tcg_temp_free_i32(val); |
b0109805 PB |
810 | } |
811 | static inline void gen_st16(TCGv val, TCGv addr, int index) | |
812 | { | |
813 | tcg_gen_qemu_st16(val, addr, index); | |
7d1b0095 | 814 | tcg_temp_free_i32(val); |
b0109805 PB |
815 | } |
816 | static inline void gen_st32(TCGv val, TCGv addr, int index) | |
817 | { | |
818 | tcg_gen_qemu_st32(val, addr, index); | |
7d1b0095 | 819 | tcg_temp_free_i32(val); |
b0109805 | 820 | } |
84496233 JR |
821 | static inline void gen_st64(TCGv_i64 val, TCGv addr, int index) |
822 | { | |
823 | tcg_gen_qemu_st64(val, addr, index); | |
824 | tcg_temp_free_i64(val); | |
825 | } | |
b5ff1b31 | 826 | |
5e3f878a PB |
827 | static inline void gen_set_pc_im(uint32_t val) |
828 | { | |
155c3eac | 829 | tcg_gen_movi_i32(cpu_R[15], val); |
5e3f878a PB |
830 | } |
831 | ||
b5ff1b31 FB |
832 | /* Force a TB lookup after an instruction that changes the CPU state. */ |
833 | static inline void gen_lookup_tb(DisasContext *s) | |
834 | { | |
a6445c52 | 835 | tcg_gen_movi_i32(cpu_R[15], s->pc & ~1); |
b5ff1b31 FB |
836 | s->is_jmp = DISAS_UPDATE; |
837 | } | |
838 | ||
b0109805 PB |
839 | static inline void gen_add_data_offset(DisasContext *s, unsigned int insn, |
840 | TCGv var) | |
2c0262af | 841 | { |
1e8d4eec | 842 | int val, rm, shift, shiftop; |
b26eefb6 | 843 | TCGv offset; |
2c0262af FB |
844 | |
845 | if (!(insn & (1 << 25))) { | |
846 | /* immediate */ | |
847 | val = insn & 0xfff; | |
848 | if (!(insn & (1 << 23))) | |
849 | val = -val; | |
537730b9 | 850 | if (val != 0) |
b0109805 | 851 | tcg_gen_addi_i32(var, var, val); |
2c0262af FB |
852 | } else { |
853 | /* shift/register */ | |
854 | rm = (insn) & 0xf; | |
855 | shift = (insn >> 7) & 0x1f; | |
1e8d4eec | 856 | shiftop = (insn >> 5) & 3; |
b26eefb6 | 857 | offset = load_reg(s, rm); |
9a119ff6 | 858 | gen_arm_shift_im(offset, shiftop, shift, 0); |
2c0262af | 859 | if (!(insn & (1 << 23))) |
b0109805 | 860 | tcg_gen_sub_i32(var, var, offset); |
2c0262af | 861 | else |
b0109805 | 862 | tcg_gen_add_i32(var, var, offset); |
7d1b0095 | 863 | tcg_temp_free_i32(offset); |
2c0262af FB |
864 | } |
865 | } | |
866 | ||
191f9a93 | 867 | static inline void gen_add_datah_offset(DisasContext *s, unsigned int insn, |
b0109805 | 868 | int extra, TCGv var) |
2c0262af FB |
869 | { |
870 | int val, rm; | |
b26eefb6 | 871 | TCGv offset; |
3b46e624 | 872 | |
2c0262af FB |
873 | if (insn & (1 << 22)) { |
874 | /* immediate */ | |
875 | val = (insn & 0xf) | ((insn >> 4) & 0xf0); | |
876 | if (!(insn & (1 << 23))) | |
877 | val = -val; | |
18acad92 | 878 | val += extra; |
537730b9 | 879 | if (val != 0) |
b0109805 | 880 | tcg_gen_addi_i32(var, var, val); |
2c0262af FB |
881 | } else { |
882 | /* register */ | |
191f9a93 | 883 | if (extra) |
b0109805 | 884 | tcg_gen_addi_i32(var, var, extra); |
2c0262af | 885 | rm = (insn) & 0xf; |
b26eefb6 | 886 | offset = load_reg(s, rm); |
2c0262af | 887 | if (!(insn & (1 << 23))) |
b0109805 | 888 | tcg_gen_sub_i32(var, var, offset); |
2c0262af | 889 | else |
b0109805 | 890 | tcg_gen_add_i32(var, var, offset); |
7d1b0095 | 891 | tcg_temp_free_i32(offset); |
2c0262af FB |
892 | } |
893 | } | |
894 | ||
5aaebd13 PM |
895 | static TCGv_ptr get_fpstatus_ptr(int neon) |
896 | { | |
897 | TCGv_ptr statusptr = tcg_temp_new_ptr(); | |
898 | int offset; | |
899 | if (neon) { | |
900 | offset = offsetof(CPUState, vfp.standard_fp_status); | |
901 | } else { | |
902 | offset = offsetof(CPUState, vfp.fp_status); | |
903 | } | |
904 | tcg_gen_addi_ptr(statusptr, cpu_env, offset); | |
905 | return statusptr; | |
906 | } | |
907 | ||
4373f3ce PB |
908 | #define VFP_OP2(name) \ |
909 | static inline void gen_vfp_##name(int dp) \ | |
910 | { \ | |
ae1857ec PM |
911 | TCGv_ptr fpst = get_fpstatus_ptr(0); \ |
912 | if (dp) { \ | |
913 | gen_helper_vfp_##name##d(cpu_F0d, cpu_F0d, cpu_F1d, fpst); \ | |
914 | } else { \ | |
915 | gen_helper_vfp_##name##s(cpu_F0s, cpu_F0s, cpu_F1s, fpst); \ | |
916 | } \ | |
917 | tcg_temp_free_ptr(fpst); \ | |
b7bcbe95 FB |
918 | } |
919 | ||
4373f3ce PB |
920 | VFP_OP2(add) |
921 | VFP_OP2(sub) | |
922 | VFP_OP2(mul) | |
923 | VFP_OP2(div) | |
924 | ||
925 | #undef VFP_OP2 | |
926 | ||
605a6aed PM |
927 | static inline void gen_vfp_F1_mul(int dp) |
928 | { | |
929 | /* Like gen_vfp_mul() but put result in F1 */ | |
ae1857ec | 930 | TCGv_ptr fpst = get_fpstatus_ptr(0); |
605a6aed | 931 | if (dp) { |
ae1857ec | 932 | gen_helper_vfp_muld(cpu_F1d, cpu_F0d, cpu_F1d, fpst); |
605a6aed | 933 | } else { |
ae1857ec | 934 | gen_helper_vfp_muls(cpu_F1s, cpu_F0s, cpu_F1s, fpst); |
605a6aed | 935 | } |
ae1857ec | 936 | tcg_temp_free_ptr(fpst); |
605a6aed PM |
937 | } |
938 | ||
939 | static inline void gen_vfp_F1_neg(int dp) | |
940 | { | |
941 | /* Like gen_vfp_neg() but put result in F1 */ | |
942 | if (dp) { | |
943 | gen_helper_vfp_negd(cpu_F1d, cpu_F0d); | |
944 | } else { | |
945 | gen_helper_vfp_negs(cpu_F1s, cpu_F0s); | |
946 | } | |
947 | } | |
948 | ||
4373f3ce PB |
949 | static inline void gen_vfp_abs(int dp) |
950 | { | |
951 | if (dp) | |
952 | gen_helper_vfp_absd(cpu_F0d, cpu_F0d); | |
953 | else | |
954 | gen_helper_vfp_abss(cpu_F0s, cpu_F0s); | |
955 | } | |
956 | ||
957 | static inline void gen_vfp_neg(int dp) | |
958 | { | |
959 | if (dp) | |
960 | gen_helper_vfp_negd(cpu_F0d, cpu_F0d); | |
961 | else | |
962 | gen_helper_vfp_negs(cpu_F0s, cpu_F0s); | |
963 | } | |
964 | ||
965 | static inline void gen_vfp_sqrt(int dp) | |
966 | { | |
967 | if (dp) | |
968 | gen_helper_vfp_sqrtd(cpu_F0d, cpu_F0d, cpu_env); | |
969 | else | |
970 | gen_helper_vfp_sqrts(cpu_F0s, cpu_F0s, cpu_env); | |
971 | } | |
972 | ||
973 | static inline void gen_vfp_cmp(int dp) | |
974 | { | |
975 | if (dp) | |
976 | gen_helper_vfp_cmpd(cpu_F0d, cpu_F1d, cpu_env); | |
977 | else | |
978 | gen_helper_vfp_cmps(cpu_F0s, cpu_F1s, cpu_env); | |
979 | } | |
980 | ||
981 | static inline void gen_vfp_cmpe(int dp) | |
982 | { | |
983 | if (dp) | |
984 | gen_helper_vfp_cmped(cpu_F0d, cpu_F1d, cpu_env); | |
985 | else | |
986 | gen_helper_vfp_cmpes(cpu_F0s, cpu_F1s, cpu_env); | |
987 | } | |
988 | ||
989 | static inline void gen_vfp_F1_ld0(int dp) | |
990 | { | |
991 | if (dp) | |
5b340b51 | 992 | tcg_gen_movi_i64(cpu_F1d, 0); |
4373f3ce | 993 | else |
5b340b51 | 994 | tcg_gen_movi_i32(cpu_F1s, 0); |
4373f3ce PB |
995 | } |
996 | ||
5500b06c PM |
997 | #define VFP_GEN_ITOF(name) \ |
998 | static inline void gen_vfp_##name(int dp, int neon) \ | |
999 | { \ | |
5aaebd13 | 1000 | TCGv_ptr statusptr = get_fpstatus_ptr(neon); \ |
5500b06c PM |
1001 | if (dp) { \ |
1002 | gen_helper_vfp_##name##d(cpu_F0d, cpu_F0s, statusptr); \ | |
1003 | } else { \ | |
1004 | gen_helper_vfp_##name##s(cpu_F0s, cpu_F0s, statusptr); \ | |
1005 | } \ | |
b7fa9214 | 1006 | tcg_temp_free_ptr(statusptr); \ |
4373f3ce PB |
1007 | } |
1008 | ||
5500b06c PM |
1009 | VFP_GEN_ITOF(uito) |
1010 | VFP_GEN_ITOF(sito) | |
1011 | #undef VFP_GEN_ITOF | |
4373f3ce | 1012 | |
5500b06c PM |
1013 | #define VFP_GEN_FTOI(name) \ |
1014 | static inline void gen_vfp_##name(int dp, int neon) \ | |
1015 | { \ | |
5aaebd13 | 1016 | TCGv_ptr statusptr = get_fpstatus_ptr(neon); \ |
5500b06c PM |
1017 | if (dp) { \ |
1018 | gen_helper_vfp_##name##d(cpu_F0s, cpu_F0d, statusptr); \ | |
1019 | } else { \ | |
1020 | gen_helper_vfp_##name##s(cpu_F0s, cpu_F0s, statusptr); \ | |
1021 | } \ | |
b7fa9214 | 1022 | tcg_temp_free_ptr(statusptr); \ |
4373f3ce PB |
1023 | } |
1024 | ||
5500b06c PM |
1025 | VFP_GEN_FTOI(toui) |
1026 | VFP_GEN_FTOI(touiz) | |
1027 | VFP_GEN_FTOI(tosi) | |
1028 | VFP_GEN_FTOI(tosiz) | |
1029 | #undef VFP_GEN_FTOI | |
4373f3ce PB |
1030 | |
1031 | #define VFP_GEN_FIX(name) \ | |
5500b06c | 1032 | static inline void gen_vfp_##name(int dp, int shift, int neon) \ |
4373f3ce | 1033 | { \ |
b75263d6 | 1034 | TCGv tmp_shift = tcg_const_i32(shift); \ |
5aaebd13 | 1035 | TCGv_ptr statusptr = get_fpstatus_ptr(neon); \ |
5500b06c PM |
1036 | if (dp) { \ |
1037 | gen_helper_vfp_##name##d(cpu_F0d, cpu_F0d, tmp_shift, statusptr); \ | |
1038 | } else { \ | |
1039 | gen_helper_vfp_##name##s(cpu_F0s, cpu_F0s, tmp_shift, statusptr); \ | |
1040 | } \ | |
b75263d6 | 1041 | tcg_temp_free_i32(tmp_shift); \ |
b7fa9214 | 1042 | tcg_temp_free_ptr(statusptr); \ |
9ee6e8bb | 1043 | } |
4373f3ce PB |
1044 | VFP_GEN_FIX(tosh) |
1045 | VFP_GEN_FIX(tosl) | |
1046 | VFP_GEN_FIX(touh) | |
1047 | VFP_GEN_FIX(toul) | |
1048 | VFP_GEN_FIX(shto) | |
1049 | VFP_GEN_FIX(slto) | |
1050 | VFP_GEN_FIX(uhto) | |
1051 | VFP_GEN_FIX(ulto) | |
1052 | #undef VFP_GEN_FIX | |
9ee6e8bb | 1053 | |
312eea9f | 1054 | static inline void gen_vfp_ld(DisasContext *s, int dp, TCGv addr) |
b5ff1b31 FB |
1055 | { |
1056 | if (dp) | |
312eea9f | 1057 | tcg_gen_qemu_ld64(cpu_F0d, addr, IS_USER(s)); |
b5ff1b31 | 1058 | else |
312eea9f | 1059 | tcg_gen_qemu_ld32u(cpu_F0s, addr, IS_USER(s)); |
b5ff1b31 FB |
1060 | } |
1061 | ||
312eea9f | 1062 | static inline void gen_vfp_st(DisasContext *s, int dp, TCGv addr) |
b5ff1b31 FB |
1063 | { |
1064 | if (dp) | |
312eea9f | 1065 | tcg_gen_qemu_st64(cpu_F0d, addr, IS_USER(s)); |
b5ff1b31 | 1066 | else |
312eea9f | 1067 | tcg_gen_qemu_st32(cpu_F0s, addr, IS_USER(s)); |
b5ff1b31 FB |
1068 | } |
1069 | ||
8e96005d FB |
1070 | static inline long |
1071 | vfp_reg_offset (int dp, int reg) | |
1072 | { | |
1073 | if (dp) | |
1074 | return offsetof(CPUARMState, vfp.regs[reg]); | |
1075 | else if (reg & 1) { | |
1076 | return offsetof(CPUARMState, vfp.regs[reg >> 1]) | |
1077 | + offsetof(CPU_DoubleU, l.upper); | |
1078 | } else { | |
1079 | return offsetof(CPUARMState, vfp.regs[reg >> 1]) | |
1080 | + offsetof(CPU_DoubleU, l.lower); | |
1081 | } | |
1082 | } | |
9ee6e8bb PB |
1083 | |
1084 | /* Return the offset of a 32-bit piece of a NEON register. | |
1085 | zero is the least significant end of the register. */ | |
1086 | static inline long | |
1087 | neon_reg_offset (int reg, int n) | |
1088 | { | |
1089 | int sreg; | |
1090 | sreg = reg * 2 + n; | |
1091 | return vfp_reg_offset(0, sreg); | |
1092 | } | |
1093 | ||
8f8e3aa4 PB |
1094 | static TCGv neon_load_reg(int reg, int pass) |
1095 | { | |
7d1b0095 | 1096 | TCGv tmp = tcg_temp_new_i32(); |
8f8e3aa4 PB |
1097 | tcg_gen_ld_i32(tmp, cpu_env, neon_reg_offset(reg, pass)); |
1098 | return tmp; | |
1099 | } | |
1100 | ||
1101 | static void neon_store_reg(int reg, int pass, TCGv var) | |
1102 | { | |
1103 | tcg_gen_st_i32(var, cpu_env, neon_reg_offset(reg, pass)); | |
7d1b0095 | 1104 | tcg_temp_free_i32(var); |
8f8e3aa4 PB |
1105 | } |
1106 | ||
a7812ae4 | 1107 | static inline void neon_load_reg64(TCGv_i64 var, int reg) |
ad69471c PB |
1108 | { |
1109 | tcg_gen_ld_i64(var, cpu_env, vfp_reg_offset(1, reg)); | |
1110 | } | |
1111 | ||
a7812ae4 | 1112 | static inline void neon_store_reg64(TCGv_i64 var, int reg) |
ad69471c PB |
1113 | { |
1114 | tcg_gen_st_i64(var, cpu_env, vfp_reg_offset(1, reg)); | |
1115 | } | |
1116 | ||
4373f3ce PB |
1117 | #define tcg_gen_ld_f32 tcg_gen_ld_i32 |
1118 | #define tcg_gen_ld_f64 tcg_gen_ld_i64 | |
1119 | #define tcg_gen_st_f32 tcg_gen_st_i32 | |
1120 | #define tcg_gen_st_f64 tcg_gen_st_i64 | |
1121 | ||
b7bcbe95 FB |
1122 | static inline void gen_mov_F0_vreg(int dp, int reg) |
1123 | { | |
1124 | if (dp) | |
4373f3ce | 1125 | tcg_gen_ld_f64(cpu_F0d, cpu_env, vfp_reg_offset(dp, reg)); |
b7bcbe95 | 1126 | else |
4373f3ce | 1127 | tcg_gen_ld_f32(cpu_F0s, cpu_env, vfp_reg_offset(dp, reg)); |
b7bcbe95 FB |
1128 | } |
1129 | ||
1130 | static inline void gen_mov_F1_vreg(int dp, int reg) | |
1131 | { | |
1132 | if (dp) | |
4373f3ce | 1133 | tcg_gen_ld_f64(cpu_F1d, cpu_env, vfp_reg_offset(dp, reg)); |
b7bcbe95 | 1134 | else |
4373f3ce | 1135 | tcg_gen_ld_f32(cpu_F1s, cpu_env, vfp_reg_offset(dp, reg)); |
b7bcbe95 FB |
1136 | } |
1137 | ||
1138 | static inline void gen_mov_vreg_F0(int dp, int reg) | |
1139 | { | |
1140 | if (dp) | |
4373f3ce | 1141 | tcg_gen_st_f64(cpu_F0d, cpu_env, vfp_reg_offset(dp, reg)); |
b7bcbe95 | 1142 | else |
4373f3ce | 1143 | tcg_gen_st_f32(cpu_F0s, cpu_env, vfp_reg_offset(dp, reg)); |
b7bcbe95 FB |
1144 | } |
1145 | ||
18c9b560 AZ |
1146 | #define ARM_CP_RW_BIT (1 << 20) |
1147 | ||
a7812ae4 | 1148 | static inline void iwmmxt_load_reg(TCGv_i64 var, int reg) |
e677137d PB |
1149 | { |
1150 | tcg_gen_ld_i64(var, cpu_env, offsetof(CPUState, iwmmxt.regs[reg])); | |
1151 | } | |
1152 | ||
a7812ae4 | 1153 | static inline void iwmmxt_store_reg(TCGv_i64 var, int reg) |
e677137d PB |
1154 | { |
1155 | tcg_gen_st_i64(var, cpu_env, offsetof(CPUState, iwmmxt.regs[reg])); | |
1156 | } | |
1157 | ||
da6b5335 | 1158 | static inline TCGv iwmmxt_load_creg(int reg) |
e677137d | 1159 | { |
7d1b0095 | 1160 | TCGv var = tcg_temp_new_i32(); |
da6b5335 FN |
1161 | tcg_gen_ld_i32(var, cpu_env, offsetof(CPUState, iwmmxt.cregs[reg])); |
1162 | return var; | |
e677137d PB |
1163 | } |
1164 | ||
da6b5335 | 1165 | static inline void iwmmxt_store_creg(int reg, TCGv var) |
e677137d | 1166 | { |
da6b5335 | 1167 | tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, iwmmxt.cregs[reg])); |
7d1b0095 | 1168 | tcg_temp_free_i32(var); |
e677137d PB |
1169 | } |
1170 | ||
1171 | static inline void gen_op_iwmmxt_movq_wRn_M0(int rn) | |
1172 | { | |
1173 | iwmmxt_store_reg(cpu_M0, rn); | |
1174 | } | |
1175 | ||
1176 | static inline void gen_op_iwmmxt_movq_M0_wRn(int rn) | |
1177 | { | |
1178 | iwmmxt_load_reg(cpu_M0, rn); | |
1179 | } | |
1180 | ||
1181 | static inline void gen_op_iwmmxt_orq_M0_wRn(int rn) | |
1182 | { | |
1183 | iwmmxt_load_reg(cpu_V1, rn); | |
1184 | tcg_gen_or_i64(cpu_M0, cpu_M0, cpu_V1); | |
1185 | } | |
1186 | ||
1187 | static inline void gen_op_iwmmxt_andq_M0_wRn(int rn) | |
1188 | { | |
1189 | iwmmxt_load_reg(cpu_V1, rn); | |
1190 | tcg_gen_and_i64(cpu_M0, cpu_M0, cpu_V1); | |
1191 | } | |
1192 | ||
1193 | static inline void gen_op_iwmmxt_xorq_M0_wRn(int rn) | |
1194 | { | |
1195 | iwmmxt_load_reg(cpu_V1, rn); | |
1196 | tcg_gen_xor_i64(cpu_M0, cpu_M0, cpu_V1); | |
1197 | } | |
1198 | ||
1199 | #define IWMMXT_OP(name) \ | |
1200 | static inline void gen_op_iwmmxt_##name##_M0_wRn(int rn) \ | |
1201 | { \ | |
1202 | iwmmxt_load_reg(cpu_V1, rn); \ | |
1203 | gen_helper_iwmmxt_##name(cpu_M0, cpu_M0, cpu_V1); \ | |
1204 | } | |
1205 | ||
477955bd PM |
1206 | #define IWMMXT_OP_ENV(name) \ |
1207 | static inline void gen_op_iwmmxt_##name##_M0_wRn(int rn) \ | |
1208 | { \ | |
1209 | iwmmxt_load_reg(cpu_V1, rn); \ | |
1210 | gen_helper_iwmmxt_##name(cpu_M0, cpu_env, cpu_M0, cpu_V1); \ | |
1211 | } | |
1212 | ||
1213 | #define IWMMXT_OP_ENV_SIZE(name) \ | |
1214 | IWMMXT_OP_ENV(name##b) \ | |
1215 | IWMMXT_OP_ENV(name##w) \ | |
1216 | IWMMXT_OP_ENV(name##l) | |
e677137d | 1217 | |
477955bd | 1218 | #define IWMMXT_OP_ENV1(name) \ |
e677137d PB |
1219 | static inline void gen_op_iwmmxt_##name##_M0(void) \ |
1220 | { \ | |
477955bd | 1221 | gen_helper_iwmmxt_##name(cpu_M0, cpu_env, cpu_M0); \ |
e677137d PB |
1222 | } |
1223 | ||
1224 | IWMMXT_OP(maddsq) | |
1225 | IWMMXT_OP(madduq) | |
1226 | IWMMXT_OP(sadb) | |
1227 | IWMMXT_OP(sadw) | |
1228 | IWMMXT_OP(mulslw) | |
1229 | IWMMXT_OP(mulshw) | |
1230 | IWMMXT_OP(mululw) | |
1231 | IWMMXT_OP(muluhw) | |
1232 | IWMMXT_OP(macsw) | |
1233 | IWMMXT_OP(macuw) | |
1234 | ||
477955bd PM |
1235 | IWMMXT_OP_ENV_SIZE(unpackl) |
1236 | IWMMXT_OP_ENV_SIZE(unpackh) | |
1237 | ||
1238 | IWMMXT_OP_ENV1(unpacklub) | |
1239 | IWMMXT_OP_ENV1(unpackluw) | |
1240 | IWMMXT_OP_ENV1(unpacklul) | |
1241 | IWMMXT_OP_ENV1(unpackhub) | |
1242 | IWMMXT_OP_ENV1(unpackhuw) | |
1243 | IWMMXT_OP_ENV1(unpackhul) | |
1244 | IWMMXT_OP_ENV1(unpacklsb) | |
1245 | IWMMXT_OP_ENV1(unpacklsw) | |
1246 | IWMMXT_OP_ENV1(unpacklsl) | |
1247 | IWMMXT_OP_ENV1(unpackhsb) | |
1248 | IWMMXT_OP_ENV1(unpackhsw) | |
1249 | IWMMXT_OP_ENV1(unpackhsl) | |
1250 | ||
1251 | IWMMXT_OP_ENV_SIZE(cmpeq) | |
1252 | IWMMXT_OP_ENV_SIZE(cmpgtu) | |
1253 | IWMMXT_OP_ENV_SIZE(cmpgts) | |
1254 | ||
1255 | IWMMXT_OP_ENV_SIZE(mins) | |
1256 | IWMMXT_OP_ENV_SIZE(minu) | |
1257 | IWMMXT_OP_ENV_SIZE(maxs) | |
1258 | IWMMXT_OP_ENV_SIZE(maxu) | |
1259 | ||
1260 | IWMMXT_OP_ENV_SIZE(subn) | |
1261 | IWMMXT_OP_ENV_SIZE(addn) | |
1262 | IWMMXT_OP_ENV_SIZE(subu) | |
1263 | IWMMXT_OP_ENV_SIZE(addu) | |
1264 | IWMMXT_OP_ENV_SIZE(subs) | |
1265 | IWMMXT_OP_ENV_SIZE(adds) | |
1266 | ||
1267 | IWMMXT_OP_ENV(avgb0) | |
1268 | IWMMXT_OP_ENV(avgb1) | |
1269 | IWMMXT_OP_ENV(avgw0) | |
1270 | IWMMXT_OP_ENV(avgw1) | |
e677137d PB |
1271 | |
1272 | IWMMXT_OP(msadb) | |
1273 | ||
477955bd PM |
1274 | IWMMXT_OP_ENV(packuw) |
1275 | IWMMXT_OP_ENV(packul) | |
1276 | IWMMXT_OP_ENV(packuq) | |
1277 | IWMMXT_OP_ENV(packsw) | |
1278 | IWMMXT_OP_ENV(packsl) | |
1279 | IWMMXT_OP_ENV(packsq) | |
e677137d | 1280 | |
e677137d PB |
1281 | static void gen_op_iwmmxt_set_mup(void) |
1282 | { | |
1283 | TCGv tmp; | |
1284 | tmp = load_cpu_field(iwmmxt.cregs[ARM_IWMMXT_wCon]); | |
1285 | tcg_gen_ori_i32(tmp, tmp, 2); | |
1286 | store_cpu_field(tmp, iwmmxt.cregs[ARM_IWMMXT_wCon]); | |
1287 | } | |
1288 | ||
1289 | static void gen_op_iwmmxt_set_cup(void) | |
1290 | { | |
1291 | TCGv tmp; | |
1292 | tmp = load_cpu_field(iwmmxt.cregs[ARM_IWMMXT_wCon]); | |
1293 | tcg_gen_ori_i32(tmp, tmp, 1); | |
1294 | store_cpu_field(tmp, iwmmxt.cregs[ARM_IWMMXT_wCon]); | |
1295 | } | |
1296 | ||
1297 | static void gen_op_iwmmxt_setpsr_nz(void) | |
1298 | { | |
7d1b0095 | 1299 | TCGv tmp = tcg_temp_new_i32(); |
e677137d PB |
1300 | gen_helper_iwmmxt_setpsr_nz(tmp, cpu_M0); |
1301 | store_cpu_field(tmp, iwmmxt.cregs[ARM_IWMMXT_wCASF]); | |
1302 | } | |
1303 | ||
1304 | static inline void gen_op_iwmmxt_addl_M0_wRn(int rn) | |
1305 | { | |
1306 | iwmmxt_load_reg(cpu_V1, rn); | |
86831435 | 1307 | tcg_gen_ext32u_i64(cpu_V1, cpu_V1); |
e677137d PB |
1308 | tcg_gen_add_i64(cpu_M0, cpu_M0, cpu_V1); |
1309 | } | |
1310 | ||
da6b5335 | 1311 | static inline int gen_iwmmxt_address(DisasContext *s, uint32_t insn, TCGv dest) |
18c9b560 AZ |
1312 | { |
1313 | int rd; | |
1314 | uint32_t offset; | |
da6b5335 | 1315 | TCGv tmp; |
18c9b560 AZ |
1316 | |
1317 | rd = (insn >> 16) & 0xf; | |
da6b5335 | 1318 | tmp = load_reg(s, rd); |
18c9b560 AZ |
1319 | |
1320 | offset = (insn & 0xff) << ((insn >> 7) & 2); | |
1321 | if (insn & (1 << 24)) { | |
1322 | /* Pre indexed */ | |
1323 | if (insn & (1 << 23)) | |
da6b5335 | 1324 | tcg_gen_addi_i32(tmp, tmp, offset); |
18c9b560 | 1325 | else |
da6b5335 FN |
1326 | tcg_gen_addi_i32(tmp, tmp, -offset); |
1327 | tcg_gen_mov_i32(dest, tmp); | |
18c9b560 | 1328 | if (insn & (1 << 21)) |
da6b5335 FN |
1329 | store_reg(s, rd, tmp); |
1330 | else | |
7d1b0095 | 1331 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
1332 | } else if (insn & (1 << 21)) { |
1333 | /* Post indexed */ | |
da6b5335 | 1334 | tcg_gen_mov_i32(dest, tmp); |
18c9b560 | 1335 | if (insn & (1 << 23)) |
da6b5335 | 1336 | tcg_gen_addi_i32(tmp, tmp, offset); |
18c9b560 | 1337 | else |
da6b5335 FN |
1338 | tcg_gen_addi_i32(tmp, tmp, -offset); |
1339 | store_reg(s, rd, tmp); | |
18c9b560 AZ |
1340 | } else if (!(insn & (1 << 23))) |
1341 | return 1; | |
1342 | return 0; | |
1343 | } | |
1344 | ||
da6b5335 | 1345 | static inline int gen_iwmmxt_shift(uint32_t insn, uint32_t mask, TCGv dest) |
18c9b560 AZ |
1346 | { |
1347 | int rd = (insn >> 0) & 0xf; | |
da6b5335 | 1348 | TCGv tmp; |
18c9b560 | 1349 | |
da6b5335 FN |
1350 | if (insn & (1 << 8)) { |
1351 | if (rd < ARM_IWMMXT_wCGR0 || rd > ARM_IWMMXT_wCGR3) { | |
18c9b560 | 1352 | return 1; |
da6b5335 FN |
1353 | } else { |
1354 | tmp = iwmmxt_load_creg(rd); | |
1355 | } | |
1356 | } else { | |
7d1b0095 | 1357 | tmp = tcg_temp_new_i32(); |
da6b5335 FN |
1358 | iwmmxt_load_reg(cpu_V0, rd); |
1359 | tcg_gen_trunc_i64_i32(tmp, cpu_V0); | |
1360 | } | |
1361 | tcg_gen_andi_i32(tmp, tmp, mask); | |
1362 | tcg_gen_mov_i32(dest, tmp); | |
7d1b0095 | 1363 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
1364 | return 0; |
1365 | } | |
1366 | ||
a1c7273b | 1367 | /* Disassemble an iwMMXt instruction. Returns nonzero if an error occurred |
18c9b560 AZ |
1368 | (ie. an undefined instruction). */ |
1369 | static int disas_iwmmxt_insn(CPUState *env, DisasContext *s, uint32_t insn) | |
1370 | { | |
1371 | int rd, wrd; | |
1372 | int rdhi, rdlo, rd0, rd1, i; | |
da6b5335 FN |
1373 | TCGv addr; |
1374 | TCGv tmp, tmp2, tmp3; | |
18c9b560 AZ |
1375 | |
1376 | if ((insn & 0x0e000e00) == 0x0c000000) { | |
1377 | if ((insn & 0x0fe00ff0) == 0x0c400000) { | |
1378 | wrd = insn & 0xf; | |
1379 | rdlo = (insn >> 12) & 0xf; | |
1380 | rdhi = (insn >> 16) & 0xf; | |
1381 | if (insn & ARM_CP_RW_BIT) { /* TMRRC */ | |
da6b5335 FN |
1382 | iwmmxt_load_reg(cpu_V0, wrd); |
1383 | tcg_gen_trunc_i64_i32(cpu_R[rdlo], cpu_V0); | |
1384 | tcg_gen_shri_i64(cpu_V0, cpu_V0, 32); | |
1385 | tcg_gen_trunc_i64_i32(cpu_R[rdhi], cpu_V0); | |
18c9b560 | 1386 | } else { /* TMCRR */ |
da6b5335 FN |
1387 | tcg_gen_concat_i32_i64(cpu_V0, cpu_R[rdlo], cpu_R[rdhi]); |
1388 | iwmmxt_store_reg(cpu_V0, wrd); | |
18c9b560 AZ |
1389 | gen_op_iwmmxt_set_mup(); |
1390 | } | |
1391 | return 0; | |
1392 | } | |
1393 | ||
1394 | wrd = (insn >> 12) & 0xf; | |
7d1b0095 | 1395 | addr = tcg_temp_new_i32(); |
da6b5335 | 1396 | if (gen_iwmmxt_address(s, insn, addr)) { |
7d1b0095 | 1397 | tcg_temp_free_i32(addr); |
18c9b560 | 1398 | return 1; |
da6b5335 | 1399 | } |
18c9b560 AZ |
1400 | if (insn & ARM_CP_RW_BIT) { |
1401 | if ((insn >> 28) == 0xf) { /* WLDRW wCx */ | |
7d1b0095 | 1402 | tmp = tcg_temp_new_i32(); |
da6b5335 FN |
1403 | tcg_gen_qemu_ld32u(tmp, addr, IS_USER(s)); |
1404 | iwmmxt_store_creg(wrd, tmp); | |
18c9b560 | 1405 | } else { |
e677137d PB |
1406 | i = 1; |
1407 | if (insn & (1 << 8)) { | |
1408 | if (insn & (1 << 22)) { /* WLDRD */ | |
da6b5335 | 1409 | tcg_gen_qemu_ld64(cpu_M0, addr, IS_USER(s)); |
e677137d PB |
1410 | i = 0; |
1411 | } else { /* WLDRW wRd */ | |
da6b5335 | 1412 | tmp = gen_ld32(addr, IS_USER(s)); |
e677137d PB |
1413 | } |
1414 | } else { | |
1415 | if (insn & (1 << 22)) { /* WLDRH */ | |
da6b5335 | 1416 | tmp = gen_ld16u(addr, IS_USER(s)); |
e677137d | 1417 | } else { /* WLDRB */ |
da6b5335 | 1418 | tmp = gen_ld8u(addr, IS_USER(s)); |
e677137d PB |
1419 | } |
1420 | } | |
1421 | if (i) { | |
1422 | tcg_gen_extu_i32_i64(cpu_M0, tmp); | |
7d1b0095 | 1423 | tcg_temp_free_i32(tmp); |
e677137d | 1424 | } |
18c9b560 AZ |
1425 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1426 | } | |
1427 | } else { | |
1428 | if ((insn >> 28) == 0xf) { /* WSTRW wCx */ | |
da6b5335 FN |
1429 | tmp = iwmmxt_load_creg(wrd); |
1430 | gen_st32(tmp, addr, IS_USER(s)); | |
18c9b560 AZ |
1431 | } else { |
1432 | gen_op_iwmmxt_movq_M0_wRn(wrd); | |
7d1b0095 | 1433 | tmp = tcg_temp_new_i32(); |
e677137d PB |
1434 | if (insn & (1 << 8)) { |
1435 | if (insn & (1 << 22)) { /* WSTRD */ | |
7d1b0095 | 1436 | tcg_temp_free_i32(tmp); |
da6b5335 | 1437 | tcg_gen_qemu_st64(cpu_M0, addr, IS_USER(s)); |
e677137d PB |
1438 | } else { /* WSTRW wRd */ |
1439 | tcg_gen_trunc_i64_i32(tmp, cpu_M0); | |
da6b5335 | 1440 | gen_st32(tmp, addr, IS_USER(s)); |
e677137d PB |
1441 | } |
1442 | } else { | |
1443 | if (insn & (1 << 22)) { /* WSTRH */ | |
1444 | tcg_gen_trunc_i64_i32(tmp, cpu_M0); | |
da6b5335 | 1445 | gen_st16(tmp, addr, IS_USER(s)); |
e677137d PB |
1446 | } else { /* WSTRB */ |
1447 | tcg_gen_trunc_i64_i32(tmp, cpu_M0); | |
da6b5335 | 1448 | gen_st8(tmp, addr, IS_USER(s)); |
e677137d PB |
1449 | } |
1450 | } | |
18c9b560 AZ |
1451 | } |
1452 | } | |
7d1b0095 | 1453 | tcg_temp_free_i32(addr); |
18c9b560 AZ |
1454 | return 0; |
1455 | } | |
1456 | ||
1457 | if ((insn & 0x0f000000) != 0x0e000000) | |
1458 | return 1; | |
1459 | ||
1460 | switch (((insn >> 12) & 0xf00) | ((insn >> 4) & 0xff)) { | |
1461 | case 0x000: /* WOR */ | |
1462 | wrd = (insn >> 12) & 0xf; | |
1463 | rd0 = (insn >> 0) & 0xf; | |
1464 | rd1 = (insn >> 16) & 0xf; | |
1465 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1466 | gen_op_iwmmxt_orq_M0_wRn(rd1); | |
1467 | gen_op_iwmmxt_setpsr_nz(); | |
1468 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1469 | gen_op_iwmmxt_set_mup(); | |
1470 | gen_op_iwmmxt_set_cup(); | |
1471 | break; | |
1472 | case 0x011: /* TMCR */ | |
1473 | if (insn & 0xf) | |
1474 | return 1; | |
1475 | rd = (insn >> 12) & 0xf; | |
1476 | wrd = (insn >> 16) & 0xf; | |
1477 | switch (wrd) { | |
1478 | case ARM_IWMMXT_wCID: | |
1479 | case ARM_IWMMXT_wCASF: | |
1480 | break; | |
1481 | case ARM_IWMMXT_wCon: | |
1482 | gen_op_iwmmxt_set_cup(); | |
1483 | /* Fall through. */ | |
1484 | case ARM_IWMMXT_wCSSF: | |
da6b5335 FN |
1485 | tmp = iwmmxt_load_creg(wrd); |
1486 | tmp2 = load_reg(s, rd); | |
f669df27 | 1487 | tcg_gen_andc_i32(tmp, tmp, tmp2); |
7d1b0095 | 1488 | tcg_temp_free_i32(tmp2); |
da6b5335 | 1489 | iwmmxt_store_creg(wrd, tmp); |
18c9b560 AZ |
1490 | break; |
1491 | case ARM_IWMMXT_wCGR0: | |
1492 | case ARM_IWMMXT_wCGR1: | |
1493 | case ARM_IWMMXT_wCGR2: | |
1494 | case ARM_IWMMXT_wCGR3: | |
1495 | gen_op_iwmmxt_set_cup(); | |
da6b5335 FN |
1496 | tmp = load_reg(s, rd); |
1497 | iwmmxt_store_creg(wrd, tmp); | |
18c9b560 AZ |
1498 | break; |
1499 | default: | |
1500 | return 1; | |
1501 | } | |
1502 | break; | |
1503 | case 0x100: /* WXOR */ | |
1504 | wrd = (insn >> 12) & 0xf; | |
1505 | rd0 = (insn >> 0) & 0xf; | |
1506 | rd1 = (insn >> 16) & 0xf; | |
1507 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1508 | gen_op_iwmmxt_xorq_M0_wRn(rd1); | |
1509 | gen_op_iwmmxt_setpsr_nz(); | |
1510 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1511 | gen_op_iwmmxt_set_mup(); | |
1512 | gen_op_iwmmxt_set_cup(); | |
1513 | break; | |
1514 | case 0x111: /* TMRC */ | |
1515 | if (insn & 0xf) | |
1516 | return 1; | |
1517 | rd = (insn >> 12) & 0xf; | |
1518 | wrd = (insn >> 16) & 0xf; | |
da6b5335 FN |
1519 | tmp = iwmmxt_load_creg(wrd); |
1520 | store_reg(s, rd, tmp); | |
18c9b560 AZ |
1521 | break; |
1522 | case 0x300: /* WANDN */ | |
1523 | wrd = (insn >> 12) & 0xf; | |
1524 | rd0 = (insn >> 0) & 0xf; | |
1525 | rd1 = (insn >> 16) & 0xf; | |
1526 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
e677137d | 1527 | tcg_gen_neg_i64(cpu_M0, cpu_M0); |
18c9b560 AZ |
1528 | gen_op_iwmmxt_andq_M0_wRn(rd1); |
1529 | gen_op_iwmmxt_setpsr_nz(); | |
1530 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1531 | gen_op_iwmmxt_set_mup(); | |
1532 | gen_op_iwmmxt_set_cup(); | |
1533 | break; | |
1534 | case 0x200: /* WAND */ | |
1535 | wrd = (insn >> 12) & 0xf; | |
1536 | rd0 = (insn >> 0) & 0xf; | |
1537 | rd1 = (insn >> 16) & 0xf; | |
1538 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1539 | gen_op_iwmmxt_andq_M0_wRn(rd1); | |
1540 | gen_op_iwmmxt_setpsr_nz(); | |
1541 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1542 | gen_op_iwmmxt_set_mup(); | |
1543 | gen_op_iwmmxt_set_cup(); | |
1544 | break; | |
1545 | case 0x810: case 0xa10: /* WMADD */ | |
1546 | wrd = (insn >> 12) & 0xf; | |
1547 | rd0 = (insn >> 0) & 0xf; | |
1548 | rd1 = (insn >> 16) & 0xf; | |
1549 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1550 | if (insn & (1 << 21)) | |
1551 | gen_op_iwmmxt_maddsq_M0_wRn(rd1); | |
1552 | else | |
1553 | gen_op_iwmmxt_madduq_M0_wRn(rd1); | |
1554 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1555 | gen_op_iwmmxt_set_mup(); | |
1556 | break; | |
1557 | case 0x10e: case 0x50e: case 0x90e: case 0xd0e: /* WUNPCKIL */ | |
1558 | wrd = (insn >> 12) & 0xf; | |
1559 | rd0 = (insn >> 16) & 0xf; | |
1560 | rd1 = (insn >> 0) & 0xf; | |
1561 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1562 | switch ((insn >> 22) & 3) { | |
1563 | case 0: | |
1564 | gen_op_iwmmxt_unpacklb_M0_wRn(rd1); | |
1565 | break; | |
1566 | case 1: | |
1567 | gen_op_iwmmxt_unpacklw_M0_wRn(rd1); | |
1568 | break; | |
1569 | case 2: | |
1570 | gen_op_iwmmxt_unpackll_M0_wRn(rd1); | |
1571 | break; | |
1572 | case 3: | |
1573 | return 1; | |
1574 | } | |
1575 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1576 | gen_op_iwmmxt_set_mup(); | |
1577 | gen_op_iwmmxt_set_cup(); | |
1578 | break; | |
1579 | case 0x10c: case 0x50c: case 0x90c: case 0xd0c: /* WUNPCKIH */ | |
1580 | wrd = (insn >> 12) & 0xf; | |
1581 | rd0 = (insn >> 16) & 0xf; | |
1582 | rd1 = (insn >> 0) & 0xf; | |
1583 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1584 | switch ((insn >> 22) & 3) { | |
1585 | case 0: | |
1586 | gen_op_iwmmxt_unpackhb_M0_wRn(rd1); | |
1587 | break; | |
1588 | case 1: | |
1589 | gen_op_iwmmxt_unpackhw_M0_wRn(rd1); | |
1590 | break; | |
1591 | case 2: | |
1592 | gen_op_iwmmxt_unpackhl_M0_wRn(rd1); | |
1593 | break; | |
1594 | case 3: | |
1595 | return 1; | |
1596 | } | |
1597 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1598 | gen_op_iwmmxt_set_mup(); | |
1599 | gen_op_iwmmxt_set_cup(); | |
1600 | break; | |
1601 | case 0x012: case 0x112: case 0x412: case 0x512: /* WSAD */ | |
1602 | wrd = (insn >> 12) & 0xf; | |
1603 | rd0 = (insn >> 16) & 0xf; | |
1604 | rd1 = (insn >> 0) & 0xf; | |
1605 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1606 | if (insn & (1 << 22)) | |
1607 | gen_op_iwmmxt_sadw_M0_wRn(rd1); | |
1608 | else | |
1609 | gen_op_iwmmxt_sadb_M0_wRn(rd1); | |
1610 | if (!(insn & (1 << 20))) | |
1611 | gen_op_iwmmxt_addl_M0_wRn(wrd); | |
1612 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1613 | gen_op_iwmmxt_set_mup(); | |
1614 | break; | |
1615 | case 0x010: case 0x110: case 0x210: case 0x310: /* WMUL */ | |
1616 | wrd = (insn >> 12) & 0xf; | |
1617 | rd0 = (insn >> 16) & 0xf; | |
1618 | rd1 = (insn >> 0) & 0xf; | |
1619 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
e677137d PB |
1620 | if (insn & (1 << 21)) { |
1621 | if (insn & (1 << 20)) | |
1622 | gen_op_iwmmxt_mulshw_M0_wRn(rd1); | |
1623 | else | |
1624 | gen_op_iwmmxt_mulslw_M0_wRn(rd1); | |
1625 | } else { | |
1626 | if (insn & (1 << 20)) | |
1627 | gen_op_iwmmxt_muluhw_M0_wRn(rd1); | |
1628 | else | |
1629 | gen_op_iwmmxt_mululw_M0_wRn(rd1); | |
1630 | } | |
18c9b560 AZ |
1631 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1632 | gen_op_iwmmxt_set_mup(); | |
1633 | break; | |
1634 | case 0x410: case 0x510: case 0x610: case 0x710: /* WMAC */ | |
1635 | wrd = (insn >> 12) & 0xf; | |
1636 | rd0 = (insn >> 16) & 0xf; | |
1637 | rd1 = (insn >> 0) & 0xf; | |
1638 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1639 | if (insn & (1 << 21)) | |
1640 | gen_op_iwmmxt_macsw_M0_wRn(rd1); | |
1641 | else | |
1642 | gen_op_iwmmxt_macuw_M0_wRn(rd1); | |
1643 | if (!(insn & (1 << 20))) { | |
e677137d PB |
1644 | iwmmxt_load_reg(cpu_V1, wrd); |
1645 | tcg_gen_add_i64(cpu_M0, cpu_M0, cpu_V1); | |
18c9b560 AZ |
1646 | } |
1647 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1648 | gen_op_iwmmxt_set_mup(); | |
1649 | break; | |
1650 | case 0x006: case 0x406: case 0x806: case 0xc06: /* WCMPEQ */ | |
1651 | wrd = (insn >> 12) & 0xf; | |
1652 | rd0 = (insn >> 16) & 0xf; | |
1653 | rd1 = (insn >> 0) & 0xf; | |
1654 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1655 | switch ((insn >> 22) & 3) { | |
1656 | case 0: | |
1657 | gen_op_iwmmxt_cmpeqb_M0_wRn(rd1); | |
1658 | break; | |
1659 | case 1: | |
1660 | gen_op_iwmmxt_cmpeqw_M0_wRn(rd1); | |
1661 | break; | |
1662 | case 2: | |
1663 | gen_op_iwmmxt_cmpeql_M0_wRn(rd1); | |
1664 | break; | |
1665 | case 3: | |
1666 | return 1; | |
1667 | } | |
1668 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1669 | gen_op_iwmmxt_set_mup(); | |
1670 | gen_op_iwmmxt_set_cup(); | |
1671 | break; | |
1672 | case 0x800: case 0x900: case 0xc00: case 0xd00: /* WAVG2 */ | |
1673 | wrd = (insn >> 12) & 0xf; | |
1674 | rd0 = (insn >> 16) & 0xf; | |
1675 | rd1 = (insn >> 0) & 0xf; | |
1676 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
e677137d PB |
1677 | if (insn & (1 << 22)) { |
1678 | if (insn & (1 << 20)) | |
1679 | gen_op_iwmmxt_avgw1_M0_wRn(rd1); | |
1680 | else | |
1681 | gen_op_iwmmxt_avgw0_M0_wRn(rd1); | |
1682 | } else { | |
1683 | if (insn & (1 << 20)) | |
1684 | gen_op_iwmmxt_avgb1_M0_wRn(rd1); | |
1685 | else | |
1686 | gen_op_iwmmxt_avgb0_M0_wRn(rd1); | |
1687 | } | |
18c9b560 AZ |
1688 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1689 | gen_op_iwmmxt_set_mup(); | |
1690 | gen_op_iwmmxt_set_cup(); | |
1691 | break; | |
1692 | case 0x802: case 0x902: case 0xa02: case 0xb02: /* WALIGNR */ | |
1693 | wrd = (insn >> 12) & 0xf; | |
1694 | rd0 = (insn >> 16) & 0xf; | |
1695 | rd1 = (insn >> 0) & 0xf; | |
1696 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
da6b5335 FN |
1697 | tmp = iwmmxt_load_creg(ARM_IWMMXT_wCGR0 + ((insn >> 20) & 3)); |
1698 | tcg_gen_andi_i32(tmp, tmp, 7); | |
1699 | iwmmxt_load_reg(cpu_V1, rd1); | |
1700 | gen_helper_iwmmxt_align(cpu_M0, cpu_M0, cpu_V1, tmp); | |
7d1b0095 | 1701 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
1702 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1703 | gen_op_iwmmxt_set_mup(); | |
1704 | break; | |
1705 | case 0x601: case 0x605: case 0x609: case 0x60d: /* TINSR */ | |
da6b5335 FN |
1706 | if (((insn >> 6) & 3) == 3) |
1707 | return 1; | |
18c9b560 AZ |
1708 | rd = (insn >> 12) & 0xf; |
1709 | wrd = (insn >> 16) & 0xf; | |
da6b5335 | 1710 | tmp = load_reg(s, rd); |
18c9b560 AZ |
1711 | gen_op_iwmmxt_movq_M0_wRn(wrd); |
1712 | switch ((insn >> 6) & 3) { | |
1713 | case 0: | |
da6b5335 FN |
1714 | tmp2 = tcg_const_i32(0xff); |
1715 | tmp3 = tcg_const_i32((insn & 7) << 3); | |
18c9b560 AZ |
1716 | break; |
1717 | case 1: | |
da6b5335 FN |
1718 | tmp2 = tcg_const_i32(0xffff); |
1719 | tmp3 = tcg_const_i32((insn & 3) << 4); | |
18c9b560 AZ |
1720 | break; |
1721 | case 2: | |
da6b5335 FN |
1722 | tmp2 = tcg_const_i32(0xffffffff); |
1723 | tmp3 = tcg_const_i32((insn & 1) << 5); | |
18c9b560 | 1724 | break; |
da6b5335 FN |
1725 | default: |
1726 | TCGV_UNUSED(tmp2); | |
1727 | TCGV_UNUSED(tmp3); | |
18c9b560 | 1728 | } |
da6b5335 FN |
1729 | gen_helper_iwmmxt_insr(cpu_M0, cpu_M0, tmp, tmp2, tmp3); |
1730 | tcg_temp_free(tmp3); | |
1731 | tcg_temp_free(tmp2); | |
7d1b0095 | 1732 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
1733 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1734 | gen_op_iwmmxt_set_mup(); | |
1735 | break; | |
1736 | case 0x107: case 0x507: case 0x907: case 0xd07: /* TEXTRM */ | |
1737 | rd = (insn >> 12) & 0xf; | |
1738 | wrd = (insn >> 16) & 0xf; | |
da6b5335 | 1739 | if (rd == 15 || ((insn >> 22) & 3) == 3) |
18c9b560 AZ |
1740 | return 1; |
1741 | gen_op_iwmmxt_movq_M0_wRn(wrd); | |
7d1b0095 | 1742 | tmp = tcg_temp_new_i32(); |
18c9b560 AZ |
1743 | switch ((insn >> 22) & 3) { |
1744 | case 0: | |
da6b5335 FN |
1745 | tcg_gen_shri_i64(cpu_M0, cpu_M0, (insn & 7) << 3); |
1746 | tcg_gen_trunc_i64_i32(tmp, cpu_M0); | |
1747 | if (insn & 8) { | |
1748 | tcg_gen_ext8s_i32(tmp, tmp); | |
1749 | } else { | |
1750 | tcg_gen_andi_i32(tmp, tmp, 0xff); | |
18c9b560 AZ |
1751 | } |
1752 | break; | |
1753 | case 1: | |
da6b5335 FN |
1754 | tcg_gen_shri_i64(cpu_M0, cpu_M0, (insn & 3) << 4); |
1755 | tcg_gen_trunc_i64_i32(tmp, cpu_M0); | |
1756 | if (insn & 8) { | |
1757 | tcg_gen_ext16s_i32(tmp, tmp); | |
1758 | } else { | |
1759 | tcg_gen_andi_i32(tmp, tmp, 0xffff); | |
18c9b560 AZ |
1760 | } |
1761 | break; | |
1762 | case 2: | |
da6b5335 FN |
1763 | tcg_gen_shri_i64(cpu_M0, cpu_M0, (insn & 1) << 5); |
1764 | tcg_gen_trunc_i64_i32(tmp, cpu_M0); | |
18c9b560 | 1765 | break; |
18c9b560 | 1766 | } |
da6b5335 | 1767 | store_reg(s, rd, tmp); |
18c9b560 AZ |
1768 | break; |
1769 | case 0x117: case 0x517: case 0x917: case 0xd17: /* TEXTRC */ | |
da6b5335 | 1770 | if ((insn & 0x000ff008) != 0x0003f000 || ((insn >> 22) & 3) == 3) |
18c9b560 | 1771 | return 1; |
da6b5335 | 1772 | tmp = iwmmxt_load_creg(ARM_IWMMXT_wCASF); |
18c9b560 AZ |
1773 | switch ((insn >> 22) & 3) { |
1774 | case 0: | |
da6b5335 | 1775 | tcg_gen_shri_i32(tmp, tmp, ((insn & 7) << 2) + 0); |
18c9b560 AZ |
1776 | break; |
1777 | case 1: | |
da6b5335 | 1778 | tcg_gen_shri_i32(tmp, tmp, ((insn & 3) << 3) + 4); |
18c9b560 AZ |
1779 | break; |
1780 | case 2: | |
da6b5335 | 1781 | tcg_gen_shri_i32(tmp, tmp, ((insn & 1) << 4) + 12); |
18c9b560 | 1782 | break; |
18c9b560 | 1783 | } |
da6b5335 FN |
1784 | tcg_gen_shli_i32(tmp, tmp, 28); |
1785 | gen_set_nzcv(tmp); | |
7d1b0095 | 1786 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
1787 | break; |
1788 | case 0x401: case 0x405: case 0x409: case 0x40d: /* TBCST */ | |
da6b5335 FN |
1789 | if (((insn >> 6) & 3) == 3) |
1790 | return 1; | |
18c9b560 AZ |
1791 | rd = (insn >> 12) & 0xf; |
1792 | wrd = (insn >> 16) & 0xf; | |
da6b5335 | 1793 | tmp = load_reg(s, rd); |
18c9b560 AZ |
1794 | switch ((insn >> 6) & 3) { |
1795 | case 0: | |
da6b5335 | 1796 | gen_helper_iwmmxt_bcstb(cpu_M0, tmp); |
18c9b560 AZ |
1797 | break; |
1798 | case 1: | |
da6b5335 | 1799 | gen_helper_iwmmxt_bcstw(cpu_M0, tmp); |
18c9b560 AZ |
1800 | break; |
1801 | case 2: | |
da6b5335 | 1802 | gen_helper_iwmmxt_bcstl(cpu_M0, tmp); |
18c9b560 | 1803 | break; |
18c9b560 | 1804 | } |
7d1b0095 | 1805 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
1806 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1807 | gen_op_iwmmxt_set_mup(); | |
1808 | break; | |
1809 | case 0x113: case 0x513: case 0x913: case 0xd13: /* TANDC */ | |
da6b5335 | 1810 | if ((insn & 0x000ff00f) != 0x0003f000 || ((insn >> 22) & 3) == 3) |
18c9b560 | 1811 | return 1; |
da6b5335 | 1812 | tmp = iwmmxt_load_creg(ARM_IWMMXT_wCASF); |
7d1b0095 | 1813 | tmp2 = tcg_temp_new_i32(); |
da6b5335 | 1814 | tcg_gen_mov_i32(tmp2, tmp); |
18c9b560 AZ |
1815 | switch ((insn >> 22) & 3) { |
1816 | case 0: | |
1817 | for (i = 0; i < 7; i ++) { | |
da6b5335 FN |
1818 | tcg_gen_shli_i32(tmp2, tmp2, 4); |
1819 | tcg_gen_and_i32(tmp, tmp, tmp2); | |
18c9b560 AZ |
1820 | } |
1821 | break; | |
1822 | case 1: | |
1823 | for (i = 0; i < 3; i ++) { | |
da6b5335 FN |
1824 | tcg_gen_shli_i32(tmp2, tmp2, 8); |
1825 | tcg_gen_and_i32(tmp, tmp, tmp2); | |
18c9b560 AZ |
1826 | } |
1827 | break; | |
1828 | case 2: | |
da6b5335 FN |
1829 | tcg_gen_shli_i32(tmp2, tmp2, 16); |
1830 | tcg_gen_and_i32(tmp, tmp, tmp2); | |
18c9b560 | 1831 | break; |
18c9b560 | 1832 | } |
da6b5335 | 1833 | gen_set_nzcv(tmp); |
7d1b0095 PM |
1834 | tcg_temp_free_i32(tmp2); |
1835 | tcg_temp_free_i32(tmp); | |
18c9b560 AZ |
1836 | break; |
1837 | case 0x01c: case 0x41c: case 0x81c: case 0xc1c: /* WACC */ | |
1838 | wrd = (insn >> 12) & 0xf; | |
1839 | rd0 = (insn >> 16) & 0xf; | |
1840 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1841 | switch ((insn >> 22) & 3) { | |
1842 | case 0: | |
e677137d | 1843 | gen_helper_iwmmxt_addcb(cpu_M0, cpu_M0); |
18c9b560 AZ |
1844 | break; |
1845 | case 1: | |
e677137d | 1846 | gen_helper_iwmmxt_addcw(cpu_M0, cpu_M0); |
18c9b560 AZ |
1847 | break; |
1848 | case 2: | |
e677137d | 1849 | gen_helper_iwmmxt_addcl(cpu_M0, cpu_M0); |
18c9b560 AZ |
1850 | break; |
1851 | case 3: | |
1852 | return 1; | |
1853 | } | |
1854 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1855 | gen_op_iwmmxt_set_mup(); | |
1856 | break; | |
1857 | case 0x115: case 0x515: case 0x915: case 0xd15: /* TORC */ | |
da6b5335 | 1858 | if ((insn & 0x000ff00f) != 0x0003f000 || ((insn >> 22) & 3) == 3) |
18c9b560 | 1859 | return 1; |
da6b5335 | 1860 | tmp = iwmmxt_load_creg(ARM_IWMMXT_wCASF); |
7d1b0095 | 1861 | tmp2 = tcg_temp_new_i32(); |
da6b5335 | 1862 | tcg_gen_mov_i32(tmp2, tmp); |
18c9b560 AZ |
1863 | switch ((insn >> 22) & 3) { |
1864 | case 0: | |
1865 | for (i = 0; i < 7; i ++) { | |
da6b5335 FN |
1866 | tcg_gen_shli_i32(tmp2, tmp2, 4); |
1867 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
18c9b560 AZ |
1868 | } |
1869 | break; | |
1870 | case 1: | |
1871 | for (i = 0; i < 3; i ++) { | |
da6b5335 FN |
1872 | tcg_gen_shli_i32(tmp2, tmp2, 8); |
1873 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
18c9b560 AZ |
1874 | } |
1875 | break; | |
1876 | case 2: | |
da6b5335 FN |
1877 | tcg_gen_shli_i32(tmp2, tmp2, 16); |
1878 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
18c9b560 | 1879 | break; |
18c9b560 | 1880 | } |
da6b5335 | 1881 | gen_set_nzcv(tmp); |
7d1b0095 PM |
1882 | tcg_temp_free_i32(tmp2); |
1883 | tcg_temp_free_i32(tmp); | |
18c9b560 AZ |
1884 | break; |
1885 | case 0x103: case 0x503: case 0x903: case 0xd03: /* TMOVMSK */ | |
1886 | rd = (insn >> 12) & 0xf; | |
1887 | rd0 = (insn >> 16) & 0xf; | |
da6b5335 | 1888 | if ((insn & 0xf) != 0 || ((insn >> 22) & 3) == 3) |
18c9b560 AZ |
1889 | return 1; |
1890 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
7d1b0095 | 1891 | tmp = tcg_temp_new_i32(); |
18c9b560 AZ |
1892 | switch ((insn >> 22) & 3) { |
1893 | case 0: | |
da6b5335 | 1894 | gen_helper_iwmmxt_msbb(tmp, cpu_M0); |
18c9b560 AZ |
1895 | break; |
1896 | case 1: | |
da6b5335 | 1897 | gen_helper_iwmmxt_msbw(tmp, cpu_M0); |
18c9b560 AZ |
1898 | break; |
1899 | case 2: | |
da6b5335 | 1900 | gen_helper_iwmmxt_msbl(tmp, cpu_M0); |
18c9b560 | 1901 | break; |
18c9b560 | 1902 | } |
da6b5335 | 1903 | store_reg(s, rd, tmp); |
18c9b560 AZ |
1904 | break; |
1905 | case 0x106: case 0x306: case 0x506: case 0x706: /* WCMPGT */ | |
1906 | case 0x906: case 0xb06: case 0xd06: case 0xf06: | |
1907 | wrd = (insn >> 12) & 0xf; | |
1908 | rd0 = (insn >> 16) & 0xf; | |
1909 | rd1 = (insn >> 0) & 0xf; | |
1910 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1911 | switch ((insn >> 22) & 3) { | |
1912 | case 0: | |
1913 | if (insn & (1 << 21)) | |
1914 | gen_op_iwmmxt_cmpgtsb_M0_wRn(rd1); | |
1915 | else | |
1916 | gen_op_iwmmxt_cmpgtub_M0_wRn(rd1); | |
1917 | break; | |
1918 | case 1: | |
1919 | if (insn & (1 << 21)) | |
1920 | gen_op_iwmmxt_cmpgtsw_M0_wRn(rd1); | |
1921 | else | |
1922 | gen_op_iwmmxt_cmpgtuw_M0_wRn(rd1); | |
1923 | break; | |
1924 | case 2: | |
1925 | if (insn & (1 << 21)) | |
1926 | gen_op_iwmmxt_cmpgtsl_M0_wRn(rd1); | |
1927 | else | |
1928 | gen_op_iwmmxt_cmpgtul_M0_wRn(rd1); | |
1929 | break; | |
1930 | case 3: | |
1931 | return 1; | |
1932 | } | |
1933 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1934 | gen_op_iwmmxt_set_mup(); | |
1935 | gen_op_iwmmxt_set_cup(); | |
1936 | break; | |
1937 | case 0x00e: case 0x20e: case 0x40e: case 0x60e: /* WUNPCKEL */ | |
1938 | case 0x80e: case 0xa0e: case 0xc0e: case 0xe0e: | |
1939 | wrd = (insn >> 12) & 0xf; | |
1940 | rd0 = (insn >> 16) & 0xf; | |
1941 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1942 | switch ((insn >> 22) & 3) { | |
1943 | case 0: | |
1944 | if (insn & (1 << 21)) | |
1945 | gen_op_iwmmxt_unpacklsb_M0(); | |
1946 | else | |
1947 | gen_op_iwmmxt_unpacklub_M0(); | |
1948 | break; | |
1949 | case 1: | |
1950 | if (insn & (1 << 21)) | |
1951 | gen_op_iwmmxt_unpacklsw_M0(); | |
1952 | else | |
1953 | gen_op_iwmmxt_unpackluw_M0(); | |
1954 | break; | |
1955 | case 2: | |
1956 | if (insn & (1 << 21)) | |
1957 | gen_op_iwmmxt_unpacklsl_M0(); | |
1958 | else | |
1959 | gen_op_iwmmxt_unpacklul_M0(); | |
1960 | break; | |
1961 | case 3: | |
1962 | return 1; | |
1963 | } | |
1964 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1965 | gen_op_iwmmxt_set_mup(); | |
1966 | gen_op_iwmmxt_set_cup(); | |
1967 | break; | |
1968 | case 0x00c: case 0x20c: case 0x40c: case 0x60c: /* WUNPCKEH */ | |
1969 | case 0x80c: case 0xa0c: case 0xc0c: case 0xe0c: | |
1970 | wrd = (insn >> 12) & 0xf; | |
1971 | rd0 = (insn >> 16) & 0xf; | |
1972 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1973 | switch ((insn >> 22) & 3) { | |
1974 | case 0: | |
1975 | if (insn & (1 << 21)) | |
1976 | gen_op_iwmmxt_unpackhsb_M0(); | |
1977 | else | |
1978 | gen_op_iwmmxt_unpackhub_M0(); | |
1979 | break; | |
1980 | case 1: | |
1981 | if (insn & (1 << 21)) | |
1982 | gen_op_iwmmxt_unpackhsw_M0(); | |
1983 | else | |
1984 | gen_op_iwmmxt_unpackhuw_M0(); | |
1985 | break; | |
1986 | case 2: | |
1987 | if (insn & (1 << 21)) | |
1988 | gen_op_iwmmxt_unpackhsl_M0(); | |
1989 | else | |
1990 | gen_op_iwmmxt_unpackhul_M0(); | |
1991 | break; | |
1992 | case 3: | |
1993 | return 1; | |
1994 | } | |
1995 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1996 | gen_op_iwmmxt_set_mup(); | |
1997 | gen_op_iwmmxt_set_cup(); | |
1998 | break; | |
1999 | case 0x204: case 0x604: case 0xa04: case 0xe04: /* WSRL */ | |
2000 | case 0x214: case 0x614: case 0xa14: case 0xe14: | |
da6b5335 FN |
2001 | if (((insn >> 22) & 3) == 0) |
2002 | return 1; | |
18c9b560 AZ |
2003 | wrd = (insn >> 12) & 0xf; |
2004 | rd0 = (insn >> 16) & 0xf; | |
2005 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
7d1b0095 | 2006 | tmp = tcg_temp_new_i32(); |
da6b5335 | 2007 | if (gen_iwmmxt_shift(insn, 0xff, tmp)) { |
7d1b0095 | 2008 | tcg_temp_free_i32(tmp); |
18c9b560 | 2009 | return 1; |
da6b5335 | 2010 | } |
18c9b560 | 2011 | switch ((insn >> 22) & 3) { |
18c9b560 | 2012 | case 1: |
477955bd | 2013 | gen_helper_iwmmxt_srlw(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
2014 | break; |
2015 | case 2: | |
477955bd | 2016 | gen_helper_iwmmxt_srll(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
2017 | break; |
2018 | case 3: | |
477955bd | 2019 | gen_helper_iwmmxt_srlq(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
2020 | break; |
2021 | } | |
7d1b0095 | 2022 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
2023 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2024 | gen_op_iwmmxt_set_mup(); | |
2025 | gen_op_iwmmxt_set_cup(); | |
2026 | break; | |
2027 | case 0x004: case 0x404: case 0x804: case 0xc04: /* WSRA */ | |
2028 | case 0x014: case 0x414: case 0x814: case 0xc14: | |
da6b5335 FN |
2029 | if (((insn >> 22) & 3) == 0) |
2030 | return 1; | |
18c9b560 AZ |
2031 | wrd = (insn >> 12) & 0xf; |
2032 | rd0 = (insn >> 16) & 0xf; | |
2033 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
7d1b0095 | 2034 | tmp = tcg_temp_new_i32(); |
da6b5335 | 2035 | if (gen_iwmmxt_shift(insn, 0xff, tmp)) { |
7d1b0095 | 2036 | tcg_temp_free_i32(tmp); |
18c9b560 | 2037 | return 1; |
da6b5335 | 2038 | } |
18c9b560 | 2039 | switch ((insn >> 22) & 3) { |
18c9b560 | 2040 | case 1: |
477955bd | 2041 | gen_helper_iwmmxt_sraw(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
2042 | break; |
2043 | case 2: | |
477955bd | 2044 | gen_helper_iwmmxt_sral(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
2045 | break; |
2046 | case 3: | |
477955bd | 2047 | gen_helper_iwmmxt_sraq(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
2048 | break; |
2049 | } | |
7d1b0095 | 2050 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
2051 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2052 | gen_op_iwmmxt_set_mup(); | |
2053 | gen_op_iwmmxt_set_cup(); | |
2054 | break; | |
2055 | case 0x104: case 0x504: case 0x904: case 0xd04: /* WSLL */ | |
2056 | case 0x114: case 0x514: case 0x914: case 0xd14: | |
da6b5335 FN |
2057 | if (((insn >> 22) & 3) == 0) |
2058 | return 1; | |
18c9b560 AZ |
2059 | wrd = (insn >> 12) & 0xf; |
2060 | rd0 = (insn >> 16) & 0xf; | |
2061 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
7d1b0095 | 2062 | tmp = tcg_temp_new_i32(); |
da6b5335 | 2063 | if (gen_iwmmxt_shift(insn, 0xff, tmp)) { |
7d1b0095 | 2064 | tcg_temp_free_i32(tmp); |
18c9b560 | 2065 | return 1; |
da6b5335 | 2066 | } |
18c9b560 | 2067 | switch ((insn >> 22) & 3) { |
18c9b560 | 2068 | case 1: |
477955bd | 2069 | gen_helper_iwmmxt_sllw(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
2070 | break; |
2071 | case 2: | |
477955bd | 2072 | gen_helper_iwmmxt_slll(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
2073 | break; |
2074 | case 3: | |
477955bd | 2075 | gen_helper_iwmmxt_sllq(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
2076 | break; |
2077 | } | |
7d1b0095 | 2078 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
2079 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2080 | gen_op_iwmmxt_set_mup(); | |
2081 | gen_op_iwmmxt_set_cup(); | |
2082 | break; | |
2083 | case 0x304: case 0x704: case 0xb04: case 0xf04: /* WROR */ | |
2084 | case 0x314: case 0x714: case 0xb14: case 0xf14: | |
da6b5335 FN |
2085 | if (((insn >> 22) & 3) == 0) |
2086 | return 1; | |
18c9b560 AZ |
2087 | wrd = (insn >> 12) & 0xf; |
2088 | rd0 = (insn >> 16) & 0xf; | |
2089 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
7d1b0095 | 2090 | tmp = tcg_temp_new_i32(); |
18c9b560 | 2091 | switch ((insn >> 22) & 3) { |
18c9b560 | 2092 | case 1: |
da6b5335 | 2093 | if (gen_iwmmxt_shift(insn, 0xf, tmp)) { |
7d1b0095 | 2094 | tcg_temp_free_i32(tmp); |
18c9b560 | 2095 | return 1; |
da6b5335 | 2096 | } |
477955bd | 2097 | gen_helper_iwmmxt_rorw(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
2098 | break; |
2099 | case 2: | |
da6b5335 | 2100 | if (gen_iwmmxt_shift(insn, 0x1f, tmp)) { |
7d1b0095 | 2101 | tcg_temp_free_i32(tmp); |
18c9b560 | 2102 | return 1; |
da6b5335 | 2103 | } |
477955bd | 2104 | gen_helper_iwmmxt_rorl(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
2105 | break; |
2106 | case 3: | |
da6b5335 | 2107 | if (gen_iwmmxt_shift(insn, 0x3f, tmp)) { |
7d1b0095 | 2108 | tcg_temp_free_i32(tmp); |
18c9b560 | 2109 | return 1; |
da6b5335 | 2110 | } |
477955bd | 2111 | gen_helper_iwmmxt_rorq(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
2112 | break; |
2113 | } | |
7d1b0095 | 2114 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
2115 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2116 | gen_op_iwmmxt_set_mup(); | |
2117 | gen_op_iwmmxt_set_cup(); | |
2118 | break; | |
2119 | case 0x116: case 0x316: case 0x516: case 0x716: /* WMIN */ | |
2120 | case 0x916: case 0xb16: case 0xd16: case 0xf16: | |
2121 | wrd = (insn >> 12) & 0xf; | |
2122 | rd0 = (insn >> 16) & 0xf; | |
2123 | rd1 = (insn >> 0) & 0xf; | |
2124 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
2125 | switch ((insn >> 22) & 3) { | |
2126 | case 0: | |
2127 | if (insn & (1 << 21)) | |
2128 | gen_op_iwmmxt_minsb_M0_wRn(rd1); | |
2129 | else | |
2130 | gen_op_iwmmxt_minub_M0_wRn(rd1); | |
2131 | break; | |
2132 | case 1: | |
2133 | if (insn & (1 << 21)) | |
2134 | gen_op_iwmmxt_minsw_M0_wRn(rd1); | |
2135 | else | |
2136 | gen_op_iwmmxt_minuw_M0_wRn(rd1); | |
2137 | break; | |
2138 | case 2: | |
2139 | if (insn & (1 << 21)) | |
2140 | gen_op_iwmmxt_minsl_M0_wRn(rd1); | |
2141 | else | |
2142 | gen_op_iwmmxt_minul_M0_wRn(rd1); | |
2143 | break; | |
2144 | case 3: | |
2145 | return 1; | |
2146 | } | |
2147 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
2148 | gen_op_iwmmxt_set_mup(); | |
2149 | break; | |
2150 | case 0x016: case 0x216: case 0x416: case 0x616: /* WMAX */ | |
2151 | case 0x816: case 0xa16: case 0xc16: case 0xe16: | |
2152 | wrd = (insn >> 12) & 0xf; | |
2153 | rd0 = (insn >> 16) & 0xf; | |
2154 | rd1 = (insn >> 0) & 0xf; | |
2155 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
2156 | switch ((insn >> 22) & 3) { | |
2157 | case 0: | |
2158 | if (insn & (1 << 21)) | |
2159 | gen_op_iwmmxt_maxsb_M0_wRn(rd1); | |
2160 | else | |
2161 | gen_op_iwmmxt_maxub_M0_wRn(rd1); | |
2162 | break; | |
2163 | case 1: | |
2164 | if (insn & (1 << 21)) | |
2165 | gen_op_iwmmxt_maxsw_M0_wRn(rd1); | |
2166 | else | |
2167 | gen_op_iwmmxt_maxuw_M0_wRn(rd1); | |
2168 | break; | |
2169 | case 2: | |
2170 | if (insn & (1 << 21)) | |
2171 | gen_op_iwmmxt_maxsl_M0_wRn(rd1); | |
2172 | else | |
2173 | gen_op_iwmmxt_maxul_M0_wRn(rd1); | |
2174 | break; | |
2175 | case 3: | |
2176 | return 1; | |
2177 | } | |
2178 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
2179 | gen_op_iwmmxt_set_mup(); | |
2180 | break; | |
2181 | case 0x002: case 0x102: case 0x202: case 0x302: /* WALIGNI */ | |
2182 | case 0x402: case 0x502: case 0x602: case 0x702: | |
2183 | wrd = (insn >> 12) & 0xf; | |
2184 | rd0 = (insn >> 16) & 0xf; | |
2185 | rd1 = (insn >> 0) & 0xf; | |
2186 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
da6b5335 FN |
2187 | tmp = tcg_const_i32((insn >> 20) & 3); |
2188 | iwmmxt_load_reg(cpu_V1, rd1); | |
2189 | gen_helper_iwmmxt_align(cpu_M0, cpu_M0, cpu_V1, tmp); | |
2190 | tcg_temp_free(tmp); | |
18c9b560 AZ |
2191 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2192 | gen_op_iwmmxt_set_mup(); | |
2193 | break; | |
2194 | case 0x01a: case 0x11a: case 0x21a: case 0x31a: /* WSUB */ | |
2195 | case 0x41a: case 0x51a: case 0x61a: case 0x71a: | |
2196 | case 0x81a: case 0x91a: case 0xa1a: case 0xb1a: | |
2197 | case 0xc1a: case 0xd1a: case 0xe1a: case 0xf1a: | |
2198 | wrd = (insn >> 12) & 0xf; | |
2199 | rd0 = (insn >> 16) & 0xf; | |
2200 | rd1 = (insn >> 0) & 0xf; | |
2201 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
2202 | switch ((insn >> 20) & 0xf) { | |
2203 | case 0x0: | |
2204 | gen_op_iwmmxt_subnb_M0_wRn(rd1); | |
2205 | break; | |
2206 | case 0x1: | |
2207 | gen_op_iwmmxt_subub_M0_wRn(rd1); | |
2208 | break; | |
2209 | case 0x3: | |
2210 | gen_op_iwmmxt_subsb_M0_wRn(rd1); | |
2211 | break; | |
2212 | case 0x4: | |
2213 | gen_op_iwmmxt_subnw_M0_wRn(rd1); | |
2214 | break; | |
2215 | case 0x5: | |
2216 | gen_op_iwmmxt_subuw_M0_wRn(rd1); | |
2217 | break; | |
2218 | case 0x7: | |
2219 | gen_op_iwmmxt_subsw_M0_wRn(rd1); | |
2220 | break; | |
2221 | case 0x8: | |
2222 | gen_op_iwmmxt_subnl_M0_wRn(rd1); | |
2223 | break; | |
2224 | case 0x9: | |
2225 | gen_op_iwmmxt_subul_M0_wRn(rd1); | |
2226 | break; | |
2227 | case 0xb: | |
2228 | gen_op_iwmmxt_subsl_M0_wRn(rd1); | |
2229 | break; | |
2230 | default: | |
2231 | return 1; | |
2232 | } | |
2233 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
2234 | gen_op_iwmmxt_set_mup(); | |
2235 | gen_op_iwmmxt_set_cup(); | |
2236 | break; | |
2237 | case 0x01e: case 0x11e: case 0x21e: case 0x31e: /* WSHUFH */ | |
2238 | case 0x41e: case 0x51e: case 0x61e: case 0x71e: | |
2239 | case 0x81e: case 0x91e: case 0xa1e: case 0xb1e: | |
2240 | case 0xc1e: case 0xd1e: case 0xe1e: case 0xf1e: | |
2241 | wrd = (insn >> 12) & 0xf; | |
2242 | rd0 = (insn >> 16) & 0xf; | |
2243 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
da6b5335 | 2244 | tmp = tcg_const_i32(((insn >> 16) & 0xf0) | (insn & 0x0f)); |
477955bd | 2245 | gen_helper_iwmmxt_shufh(cpu_M0, cpu_env, cpu_M0, tmp); |
da6b5335 | 2246 | tcg_temp_free(tmp); |
18c9b560 AZ |
2247 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2248 | gen_op_iwmmxt_set_mup(); | |
2249 | gen_op_iwmmxt_set_cup(); | |
2250 | break; | |
2251 | case 0x018: case 0x118: case 0x218: case 0x318: /* WADD */ | |
2252 | case 0x418: case 0x518: case 0x618: case 0x718: | |
2253 | case 0x818: case 0x918: case 0xa18: case 0xb18: | |
2254 | case 0xc18: case 0xd18: case 0xe18: case 0xf18: | |
2255 | wrd = (insn >> 12) & 0xf; | |
2256 | rd0 = (insn >> 16) & 0xf; | |
2257 | rd1 = (insn >> 0) & 0xf; | |
2258 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
2259 | switch ((insn >> 20) & 0xf) { | |
2260 | case 0x0: | |
2261 | gen_op_iwmmxt_addnb_M0_wRn(rd1); | |
2262 | break; | |
2263 | case 0x1: | |
2264 | gen_op_iwmmxt_addub_M0_wRn(rd1); | |
2265 | break; | |
2266 | case 0x3: | |
2267 | gen_op_iwmmxt_addsb_M0_wRn(rd1); | |
2268 | break; | |
2269 | case 0x4: | |
2270 | gen_op_iwmmxt_addnw_M0_wRn(rd1); | |
2271 | break; | |
2272 | case 0x5: | |
2273 | gen_op_iwmmxt_adduw_M0_wRn(rd1); | |
2274 | break; | |
2275 | case 0x7: | |
2276 | gen_op_iwmmxt_addsw_M0_wRn(rd1); | |
2277 | break; | |
2278 | case 0x8: | |
2279 | gen_op_iwmmxt_addnl_M0_wRn(rd1); | |
2280 | break; | |
2281 | case 0x9: | |
2282 | gen_op_iwmmxt_addul_M0_wRn(rd1); | |
2283 | break; | |
2284 | case 0xb: | |
2285 | gen_op_iwmmxt_addsl_M0_wRn(rd1); | |
2286 | break; | |
2287 | default: | |
2288 | return 1; | |
2289 | } | |
2290 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
2291 | gen_op_iwmmxt_set_mup(); | |
2292 | gen_op_iwmmxt_set_cup(); | |
2293 | break; | |
2294 | case 0x008: case 0x108: case 0x208: case 0x308: /* WPACK */ | |
2295 | case 0x408: case 0x508: case 0x608: case 0x708: | |
2296 | case 0x808: case 0x908: case 0xa08: case 0xb08: | |
2297 | case 0xc08: case 0xd08: case 0xe08: case 0xf08: | |
da6b5335 FN |
2298 | if (!(insn & (1 << 20)) || ((insn >> 22) & 3) == 0) |
2299 | return 1; | |
18c9b560 AZ |
2300 | wrd = (insn >> 12) & 0xf; |
2301 | rd0 = (insn >> 16) & 0xf; | |
2302 | rd1 = (insn >> 0) & 0xf; | |
2303 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
18c9b560 | 2304 | switch ((insn >> 22) & 3) { |
18c9b560 AZ |
2305 | case 1: |
2306 | if (insn & (1 << 21)) | |
2307 | gen_op_iwmmxt_packsw_M0_wRn(rd1); | |
2308 | else | |
2309 | gen_op_iwmmxt_packuw_M0_wRn(rd1); | |
2310 | break; | |
2311 | case 2: | |
2312 | if (insn & (1 << 21)) | |
2313 | gen_op_iwmmxt_packsl_M0_wRn(rd1); | |
2314 | else | |
2315 | gen_op_iwmmxt_packul_M0_wRn(rd1); | |
2316 | break; | |
2317 | case 3: | |
2318 | if (insn & (1 << 21)) | |
2319 | gen_op_iwmmxt_packsq_M0_wRn(rd1); | |
2320 | else | |
2321 | gen_op_iwmmxt_packuq_M0_wRn(rd1); | |
2322 | break; | |
2323 | } | |
2324 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
2325 | gen_op_iwmmxt_set_mup(); | |
2326 | gen_op_iwmmxt_set_cup(); | |
2327 | break; | |
2328 | case 0x201: case 0x203: case 0x205: case 0x207: | |
2329 | case 0x209: case 0x20b: case 0x20d: case 0x20f: | |
2330 | case 0x211: case 0x213: case 0x215: case 0x217: | |
2331 | case 0x219: case 0x21b: case 0x21d: case 0x21f: | |
2332 | wrd = (insn >> 5) & 0xf; | |
2333 | rd0 = (insn >> 12) & 0xf; | |
2334 | rd1 = (insn >> 0) & 0xf; | |
2335 | if (rd0 == 0xf || rd1 == 0xf) | |
2336 | return 1; | |
2337 | gen_op_iwmmxt_movq_M0_wRn(wrd); | |
da6b5335 FN |
2338 | tmp = load_reg(s, rd0); |
2339 | tmp2 = load_reg(s, rd1); | |
18c9b560 AZ |
2340 | switch ((insn >> 16) & 0xf) { |
2341 | case 0x0: /* TMIA */ | |
da6b5335 | 2342 | gen_helper_iwmmxt_muladdsl(cpu_M0, cpu_M0, tmp, tmp2); |
18c9b560 AZ |
2343 | break; |
2344 | case 0x8: /* TMIAPH */ | |
da6b5335 | 2345 | gen_helper_iwmmxt_muladdsw(cpu_M0, cpu_M0, tmp, tmp2); |
18c9b560 AZ |
2346 | break; |
2347 | case 0xc: case 0xd: case 0xe: case 0xf: /* TMIAxy */ | |
18c9b560 | 2348 | if (insn & (1 << 16)) |
da6b5335 | 2349 | tcg_gen_shri_i32(tmp, tmp, 16); |
18c9b560 | 2350 | if (insn & (1 << 17)) |
da6b5335 FN |
2351 | tcg_gen_shri_i32(tmp2, tmp2, 16); |
2352 | gen_helper_iwmmxt_muladdswl(cpu_M0, cpu_M0, tmp, tmp2); | |
18c9b560 AZ |
2353 | break; |
2354 | default: | |
7d1b0095 PM |
2355 | tcg_temp_free_i32(tmp2); |
2356 | tcg_temp_free_i32(tmp); | |
18c9b560 AZ |
2357 | return 1; |
2358 | } | |
7d1b0095 PM |
2359 | tcg_temp_free_i32(tmp2); |
2360 | tcg_temp_free_i32(tmp); | |
18c9b560 AZ |
2361 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2362 | gen_op_iwmmxt_set_mup(); | |
2363 | break; | |
2364 | default: | |
2365 | return 1; | |
2366 | } | |
2367 | ||
2368 | return 0; | |
2369 | } | |
2370 | ||
a1c7273b | 2371 | /* Disassemble an XScale DSP instruction. Returns nonzero if an error occurred |
18c9b560 AZ |
2372 | (ie. an undefined instruction). */ |
2373 | static int disas_dsp_insn(CPUState *env, DisasContext *s, uint32_t insn) | |
2374 | { | |
2375 | int acc, rd0, rd1, rdhi, rdlo; | |
3a554c0f | 2376 | TCGv tmp, tmp2; |
18c9b560 AZ |
2377 | |
2378 | if ((insn & 0x0ff00f10) == 0x0e200010) { | |
2379 | /* Multiply with Internal Accumulate Format */ | |
2380 | rd0 = (insn >> 12) & 0xf; | |
2381 | rd1 = insn & 0xf; | |
2382 | acc = (insn >> 5) & 7; | |
2383 | ||
2384 | if (acc != 0) | |
2385 | return 1; | |
2386 | ||
3a554c0f FN |
2387 | tmp = load_reg(s, rd0); |
2388 | tmp2 = load_reg(s, rd1); | |
18c9b560 AZ |
2389 | switch ((insn >> 16) & 0xf) { |
2390 | case 0x0: /* MIA */ | |
3a554c0f | 2391 | gen_helper_iwmmxt_muladdsl(cpu_M0, cpu_M0, tmp, tmp2); |
18c9b560 AZ |
2392 | break; |
2393 | case 0x8: /* MIAPH */ | |
3a554c0f | 2394 | gen_helper_iwmmxt_muladdsw(cpu_M0, cpu_M0, tmp, tmp2); |
18c9b560 AZ |
2395 | break; |
2396 | case 0xc: /* MIABB */ | |
2397 | case 0xd: /* MIABT */ | |
2398 | case 0xe: /* MIATB */ | |
2399 | case 0xf: /* MIATT */ | |
18c9b560 | 2400 | if (insn & (1 << 16)) |
3a554c0f | 2401 | tcg_gen_shri_i32(tmp, tmp, 16); |
18c9b560 | 2402 | if (insn & (1 << 17)) |
3a554c0f FN |
2403 | tcg_gen_shri_i32(tmp2, tmp2, 16); |
2404 | gen_helper_iwmmxt_muladdswl(cpu_M0, cpu_M0, tmp, tmp2); | |
18c9b560 AZ |
2405 | break; |
2406 | default: | |
2407 | return 1; | |
2408 | } | |
7d1b0095 PM |
2409 | tcg_temp_free_i32(tmp2); |
2410 | tcg_temp_free_i32(tmp); | |
18c9b560 AZ |
2411 | |
2412 | gen_op_iwmmxt_movq_wRn_M0(acc); | |
2413 | return 0; | |
2414 | } | |
2415 | ||
2416 | if ((insn & 0x0fe00ff8) == 0x0c400000) { | |
2417 | /* Internal Accumulator Access Format */ | |
2418 | rdhi = (insn >> 16) & 0xf; | |
2419 | rdlo = (insn >> 12) & 0xf; | |
2420 | acc = insn & 7; | |
2421 | ||
2422 | if (acc != 0) | |
2423 | return 1; | |
2424 | ||
2425 | if (insn & ARM_CP_RW_BIT) { /* MRA */ | |
3a554c0f FN |
2426 | iwmmxt_load_reg(cpu_V0, acc); |
2427 | tcg_gen_trunc_i64_i32(cpu_R[rdlo], cpu_V0); | |
2428 | tcg_gen_shri_i64(cpu_V0, cpu_V0, 32); | |
2429 | tcg_gen_trunc_i64_i32(cpu_R[rdhi], cpu_V0); | |
2430 | tcg_gen_andi_i32(cpu_R[rdhi], cpu_R[rdhi], (1 << (40 - 32)) - 1); | |
18c9b560 | 2431 | } else { /* MAR */ |
3a554c0f FN |
2432 | tcg_gen_concat_i32_i64(cpu_V0, cpu_R[rdlo], cpu_R[rdhi]); |
2433 | iwmmxt_store_reg(cpu_V0, acc); | |
18c9b560 AZ |
2434 | } |
2435 | return 0; | |
2436 | } | |
2437 | ||
2438 | return 1; | |
2439 | } | |
2440 | ||
c1713132 AZ |
2441 | /* Disassemble system coprocessor instruction. Return nonzero if |
2442 | instruction is not defined. */ | |
2443 | static int disas_cp_insn(CPUState *env, DisasContext *s, uint32_t insn) | |
2444 | { | |
b75263d6 | 2445 | TCGv tmp, tmp2; |
c1713132 AZ |
2446 | uint32_t rd = (insn >> 12) & 0xf; |
2447 | uint32_t cp = (insn >> 8) & 0xf; | |
2448 | if (IS_USER(s)) { | |
2449 | return 1; | |
2450 | } | |
2451 | ||
18c9b560 | 2452 | if (insn & ARM_CP_RW_BIT) { |
c1713132 AZ |
2453 | if (!env->cp[cp].cp_read) |
2454 | return 1; | |
8984bd2e | 2455 | gen_set_pc_im(s->pc); |
7d1b0095 | 2456 | tmp = tcg_temp_new_i32(); |
b75263d6 JR |
2457 | tmp2 = tcg_const_i32(insn); |
2458 | gen_helper_get_cp(tmp, cpu_env, tmp2); | |
2459 | tcg_temp_free(tmp2); | |
8984bd2e | 2460 | store_reg(s, rd, tmp); |
c1713132 AZ |
2461 | } else { |
2462 | if (!env->cp[cp].cp_write) | |
2463 | return 1; | |
8984bd2e PB |
2464 | gen_set_pc_im(s->pc); |
2465 | tmp = load_reg(s, rd); | |
b75263d6 JR |
2466 | tmp2 = tcg_const_i32(insn); |
2467 | gen_helper_set_cp(cpu_env, tmp2, tmp); | |
2468 | tcg_temp_free(tmp2); | |
7d1b0095 | 2469 | tcg_temp_free_i32(tmp); |
c1713132 AZ |
2470 | } |
2471 | return 0; | |
2472 | } | |
2473 | ||
74594c9d | 2474 | static int cp15_user_ok(CPUState *env, uint32_t insn) |
9ee6e8bb PB |
2475 | { |
2476 | int cpn = (insn >> 16) & 0xf; | |
2477 | int cpm = insn & 0xf; | |
2478 | int op = ((insn >> 5) & 7) | ((insn >> 18) & 0x38); | |
2479 | ||
74594c9d PM |
2480 | if (arm_feature(env, ARM_FEATURE_V7) && cpn == 9) { |
2481 | /* Performance monitor registers fall into three categories: | |
2482 | * (a) always UNDEF in usermode | |
2483 | * (b) UNDEF only if PMUSERENR.EN is 0 | |
2484 | * (c) always read OK and UNDEF on write (PMUSERENR only) | |
2485 | */ | |
2486 | if ((cpm == 12 && (op < 6)) || | |
2487 | (cpm == 13 && (op < 3))) { | |
2488 | return env->cp15.c9_pmuserenr; | |
2489 | } else if (cpm == 14 && op == 0 && (insn & ARM_CP_RW_BIT)) { | |
2490 | /* PMUSERENR, read only */ | |
2491 | return 1; | |
2492 | } | |
2493 | return 0; | |
2494 | } | |
2495 | ||
9ee6e8bb PB |
2496 | if (cpn == 13 && cpm == 0) { |
2497 | /* TLS register. */ | |
2498 | if (op == 2 || (op == 3 && (insn & ARM_CP_RW_BIT))) | |
2499 | return 1; | |
2500 | } | |
2501 | if (cpn == 7) { | |
2502 | /* ISB, DSB, DMB. */ | |
2503 | if ((cpm == 5 && op == 4) | |
2504 | || (cpm == 10 && (op == 4 || op == 5))) | |
2505 | return 1; | |
2506 | } | |
2507 | return 0; | |
2508 | } | |
2509 | ||
3f26c122 RV |
2510 | static int cp15_tls_load_store(CPUState *env, DisasContext *s, uint32_t insn, uint32_t rd) |
2511 | { | |
2512 | TCGv tmp; | |
2513 | int cpn = (insn >> 16) & 0xf; | |
2514 | int cpm = insn & 0xf; | |
2515 | int op = ((insn >> 5) & 7) | ((insn >> 18) & 0x38); | |
2516 | ||
2517 | if (!arm_feature(env, ARM_FEATURE_V6K)) | |
2518 | return 0; | |
2519 | ||
2520 | if (!(cpn == 13 && cpm == 0)) | |
2521 | return 0; | |
2522 | ||
2523 | if (insn & ARM_CP_RW_BIT) { | |
3f26c122 RV |
2524 | switch (op) { |
2525 | case 2: | |
c5883be2 | 2526 | tmp = load_cpu_field(cp15.c13_tls1); |
3f26c122 RV |
2527 | break; |
2528 | case 3: | |
c5883be2 | 2529 | tmp = load_cpu_field(cp15.c13_tls2); |
3f26c122 RV |
2530 | break; |
2531 | case 4: | |
c5883be2 | 2532 | tmp = load_cpu_field(cp15.c13_tls3); |
3f26c122 RV |
2533 | break; |
2534 | default: | |
3f26c122 RV |
2535 | return 0; |
2536 | } | |
2537 | store_reg(s, rd, tmp); | |
2538 | ||
2539 | } else { | |
2540 | tmp = load_reg(s, rd); | |
2541 | switch (op) { | |
2542 | case 2: | |
c5883be2 | 2543 | store_cpu_field(tmp, cp15.c13_tls1); |
3f26c122 RV |
2544 | break; |
2545 | case 3: | |
c5883be2 | 2546 | store_cpu_field(tmp, cp15.c13_tls2); |
3f26c122 RV |
2547 | break; |
2548 | case 4: | |
c5883be2 | 2549 | store_cpu_field(tmp, cp15.c13_tls3); |
3f26c122 RV |
2550 | break; |
2551 | default: | |
7d1b0095 | 2552 | tcg_temp_free_i32(tmp); |
3f26c122 RV |
2553 | return 0; |
2554 | } | |
3f26c122 RV |
2555 | } |
2556 | return 1; | |
2557 | } | |
2558 | ||
b5ff1b31 FB |
2559 | /* Disassemble system coprocessor (cp15) instruction. Return nonzero if |
2560 | instruction is not defined. */ | |
a90b7318 | 2561 | static int disas_cp15_insn(CPUState *env, DisasContext *s, uint32_t insn) |
b5ff1b31 FB |
2562 | { |
2563 | uint32_t rd; | |
b75263d6 | 2564 | TCGv tmp, tmp2; |
b5ff1b31 | 2565 | |
9ee6e8bb PB |
2566 | /* M profile cores use memory mapped registers instead of cp15. */ |
2567 | if (arm_feature(env, ARM_FEATURE_M)) | |
2568 | return 1; | |
2569 | ||
2570 | if ((insn & (1 << 25)) == 0) { | |
2571 | if (insn & (1 << 20)) { | |
2572 | /* mrrc */ | |
2573 | return 1; | |
2574 | } | |
2575 | /* mcrr. Used for block cache operations, so implement as no-op. */ | |
2576 | return 0; | |
2577 | } | |
2578 | if ((insn & (1 << 4)) == 0) { | |
2579 | /* cdp */ | |
2580 | return 1; | |
2581 | } | |
74594c9d | 2582 | if (IS_USER(s) && !cp15_user_ok(env, insn)) { |
b5ff1b31 FB |
2583 | return 1; |
2584 | } | |
cc688901 PM |
2585 | |
2586 | /* Pre-v7 versions of the architecture implemented WFI via coprocessor | |
2587 | * instructions rather than a separate instruction. | |
2588 | */ | |
2589 | if ((insn & 0x0fff0fff) == 0x0e070f90) { | |
2590 | /* 0,c7,c0,4: Standard v6 WFI (also used in some pre-v6 cores). | |
2591 | * In v7, this must NOP. | |
2592 | */ | |
2593 | if (!arm_feature(env, ARM_FEATURE_V7)) { | |
2594 | /* Wait for interrupt. */ | |
2595 | gen_set_pc_im(s->pc); | |
2596 | s->is_jmp = DISAS_WFI; | |
2597 | } | |
9332f9da FB |
2598 | return 0; |
2599 | } | |
cc688901 PM |
2600 | |
2601 | if ((insn & 0x0fff0fff) == 0x0e070f58) { | |
2602 | /* 0,c7,c8,2: Not all pre-v6 cores implemented this WFI, | |
2603 | * so this is slightly over-broad. | |
2604 | */ | |
2605 | if (!arm_feature(env, ARM_FEATURE_V6)) { | |
2606 | /* Wait for interrupt. */ | |
2607 | gen_set_pc_im(s->pc); | |
2608 | s->is_jmp = DISAS_WFI; | |
2609 | return 0; | |
2610 | } | |
2611 | /* Otherwise fall through to handle via helper function. | |
2612 | * In particular, on v7 and some v6 cores this is one of | |
2613 | * the VA-PA registers. | |
2614 | */ | |
2615 | } | |
2616 | ||
b5ff1b31 | 2617 | rd = (insn >> 12) & 0xf; |
3f26c122 RV |
2618 | |
2619 | if (cp15_tls_load_store(env, s, insn, rd)) | |
2620 | return 0; | |
2621 | ||
b75263d6 | 2622 | tmp2 = tcg_const_i32(insn); |
18c9b560 | 2623 | if (insn & ARM_CP_RW_BIT) { |
7d1b0095 | 2624 | tmp = tcg_temp_new_i32(); |
b75263d6 | 2625 | gen_helper_get_cp15(tmp, cpu_env, tmp2); |
b5ff1b31 FB |
2626 | /* If the destination register is r15 then sets condition codes. */ |
2627 | if (rd != 15) | |
8984bd2e PB |
2628 | store_reg(s, rd, tmp); |
2629 | else | |
7d1b0095 | 2630 | tcg_temp_free_i32(tmp); |
b5ff1b31 | 2631 | } else { |
8984bd2e | 2632 | tmp = load_reg(s, rd); |
b75263d6 | 2633 | gen_helper_set_cp15(cpu_env, tmp2, tmp); |
7d1b0095 | 2634 | tcg_temp_free_i32(tmp); |
a90b7318 AZ |
2635 | /* Normally we would always end the TB here, but Linux |
2636 | * arch/arm/mach-pxa/sleep.S expects two instructions following | |
2637 | * an MMU enable to execute from cache. Imitate this behaviour. */ | |
2638 | if (!arm_feature(env, ARM_FEATURE_XSCALE) || | |
2639 | (insn & 0x0fff0fff) != 0x0e010f10) | |
2640 | gen_lookup_tb(s); | |
b5ff1b31 | 2641 | } |
b75263d6 | 2642 | tcg_temp_free_i32(tmp2); |
b5ff1b31 FB |
2643 | return 0; |
2644 | } | |
2645 | ||
9ee6e8bb PB |
2646 | #define VFP_REG_SHR(x, n) (((n) > 0) ? (x) >> (n) : (x) << -(n)) |
2647 | #define VFP_SREG(insn, bigbit, smallbit) \ | |
2648 | ((VFP_REG_SHR(insn, bigbit - 1) & 0x1e) | (((insn) >> (smallbit)) & 1)) | |
2649 | #define VFP_DREG(reg, insn, bigbit, smallbit) do { \ | |
2650 | if (arm_feature(env, ARM_FEATURE_VFP3)) { \ | |
2651 | reg = (((insn) >> (bigbit)) & 0x0f) \ | |
2652 | | (((insn) >> ((smallbit) - 4)) & 0x10); \ | |
2653 | } else { \ | |
2654 | if (insn & (1 << (smallbit))) \ | |
2655 | return 1; \ | |
2656 | reg = ((insn) >> (bigbit)) & 0x0f; \ | |
2657 | }} while (0) | |
2658 | ||
2659 | #define VFP_SREG_D(insn) VFP_SREG(insn, 12, 22) | |
2660 | #define VFP_DREG_D(reg, insn) VFP_DREG(reg, insn, 12, 22) | |
2661 | #define VFP_SREG_N(insn) VFP_SREG(insn, 16, 7) | |
2662 | #define VFP_DREG_N(reg, insn) VFP_DREG(reg, insn, 16, 7) | |
2663 | #define VFP_SREG_M(insn) VFP_SREG(insn, 0, 5) | |
2664 | #define VFP_DREG_M(reg, insn) VFP_DREG(reg, insn, 0, 5) | |
2665 | ||
4373f3ce PB |
2666 | /* Move between integer and VFP cores. */ |
2667 | static TCGv gen_vfp_mrs(void) | |
2668 | { | |
7d1b0095 | 2669 | TCGv tmp = tcg_temp_new_i32(); |
4373f3ce PB |
2670 | tcg_gen_mov_i32(tmp, cpu_F0s); |
2671 | return tmp; | |
2672 | } | |
2673 | ||
2674 | static void gen_vfp_msr(TCGv tmp) | |
2675 | { | |
2676 | tcg_gen_mov_i32(cpu_F0s, tmp); | |
7d1b0095 | 2677 | tcg_temp_free_i32(tmp); |
4373f3ce PB |
2678 | } |
2679 | ||
ad69471c PB |
2680 | static void gen_neon_dup_u8(TCGv var, int shift) |
2681 | { | |
7d1b0095 | 2682 | TCGv tmp = tcg_temp_new_i32(); |
ad69471c PB |
2683 | if (shift) |
2684 | tcg_gen_shri_i32(var, var, shift); | |
86831435 | 2685 | tcg_gen_ext8u_i32(var, var); |
ad69471c PB |
2686 | tcg_gen_shli_i32(tmp, var, 8); |
2687 | tcg_gen_or_i32(var, var, tmp); | |
2688 | tcg_gen_shli_i32(tmp, var, 16); | |
2689 | tcg_gen_or_i32(var, var, tmp); | |
7d1b0095 | 2690 | tcg_temp_free_i32(tmp); |
ad69471c PB |
2691 | } |
2692 | ||
2693 | static void gen_neon_dup_low16(TCGv var) | |
2694 | { | |
7d1b0095 | 2695 | TCGv tmp = tcg_temp_new_i32(); |
86831435 | 2696 | tcg_gen_ext16u_i32(var, var); |
ad69471c PB |
2697 | tcg_gen_shli_i32(tmp, var, 16); |
2698 | tcg_gen_or_i32(var, var, tmp); | |
7d1b0095 | 2699 | tcg_temp_free_i32(tmp); |
ad69471c PB |
2700 | } |
2701 | ||
2702 | static void gen_neon_dup_high16(TCGv var) | |
2703 | { | |
7d1b0095 | 2704 | TCGv tmp = tcg_temp_new_i32(); |
ad69471c PB |
2705 | tcg_gen_andi_i32(var, var, 0xffff0000); |
2706 | tcg_gen_shri_i32(tmp, var, 16); | |
2707 | tcg_gen_or_i32(var, var, tmp); | |
7d1b0095 | 2708 | tcg_temp_free_i32(tmp); |
ad69471c PB |
2709 | } |
2710 | ||
8e18cde3 PM |
2711 | static TCGv gen_load_and_replicate(DisasContext *s, TCGv addr, int size) |
2712 | { | |
2713 | /* Load a single Neon element and replicate into a 32 bit TCG reg */ | |
2714 | TCGv tmp; | |
2715 | switch (size) { | |
2716 | case 0: | |
2717 | tmp = gen_ld8u(addr, IS_USER(s)); | |
2718 | gen_neon_dup_u8(tmp, 0); | |
2719 | break; | |
2720 | case 1: | |
2721 | tmp = gen_ld16u(addr, IS_USER(s)); | |
2722 | gen_neon_dup_low16(tmp); | |
2723 | break; | |
2724 | case 2: | |
2725 | tmp = gen_ld32(addr, IS_USER(s)); | |
2726 | break; | |
2727 | default: /* Avoid compiler warnings. */ | |
2728 | abort(); | |
2729 | } | |
2730 | return tmp; | |
2731 | } | |
2732 | ||
a1c7273b | 2733 | /* Disassemble a VFP instruction. Returns nonzero if an error occurred |
b7bcbe95 FB |
2734 | (ie. an undefined instruction). */ |
2735 | static int disas_vfp_insn(CPUState * env, DisasContext *s, uint32_t insn) | |
2736 | { | |
2737 | uint32_t rd, rn, rm, op, i, n, offset, delta_d, delta_m, bank_mask; | |
2738 | int dp, veclen; | |
312eea9f | 2739 | TCGv addr; |
4373f3ce | 2740 | TCGv tmp; |
ad69471c | 2741 | TCGv tmp2; |
b7bcbe95 | 2742 | |
40f137e1 PB |
2743 | if (!arm_feature(env, ARM_FEATURE_VFP)) |
2744 | return 1; | |
2745 | ||
5df8bac1 | 2746 | if (!s->vfp_enabled) { |
9ee6e8bb | 2747 | /* VFP disabled. Only allow fmxr/fmrx to/from some control regs. */ |
40f137e1 PB |
2748 | if ((insn & 0x0fe00fff) != 0x0ee00a10) |
2749 | return 1; | |
2750 | rn = (insn >> 16) & 0xf; | |
9ee6e8bb PB |
2751 | if (rn != ARM_VFP_FPSID && rn != ARM_VFP_FPEXC |
2752 | && rn != ARM_VFP_MVFR1 && rn != ARM_VFP_MVFR0) | |
40f137e1 PB |
2753 | return 1; |
2754 | } | |
b7bcbe95 FB |
2755 | dp = ((insn & 0xf00) == 0xb00); |
2756 | switch ((insn >> 24) & 0xf) { | |
2757 | case 0xe: | |
2758 | if (insn & (1 << 4)) { | |
2759 | /* single register transfer */ | |
b7bcbe95 FB |
2760 | rd = (insn >> 12) & 0xf; |
2761 | if (dp) { | |
9ee6e8bb PB |
2762 | int size; |
2763 | int pass; | |
2764 | ||
2765 | VFP_DREG_N(rn, insn); | |
2766 | if (insn & 0xf) | |
b7bcbe95 | 2767 | return 1; |
9ee6e8bb PB |
2768 | if (insn & 0x00c00060 |
2769 | && !arm_feature(env, ARM_FEATURE_NEON)) | |
2770 | return 1; | |
2771 | ||
2772 | pass = (insn >> 21) & 1; | |
2773 | if (insn & (1 << 22)) { | |
2774 | size = 0; | |
2775 | offset = ((insn >> 5) & 3) * 8; | |
2776 | } else if (insn & (1 << 5)) { | |
2777 | size = 1; | |
2778 | offset = (insn & (1 << 6)) ? 16 : 0; | |
2779 | } else { | |
2780 | size = 2; | |
2781 | offset = 0; | |
2782 | } | |
18c9b560 | 2783 | if (insn & ARM_CP_RW_BIT) { |
b7bcbe95 | 2784 | /* vfp->arm */ |
ad69471c | 2785 | tmp = neon_load_reg(rn, pass); |
9ee6e8bb PB |
2786 | switch (size) { |
2787 | case 0: | |
9ee6e8bb | 2788 | if (offset) |
ad69471c | 2789 | tcg_gen_shri_i32(tmp, tmp, offset); |
9ee6e8bb | 2790 | if (insn & (1 << 23)) |
ad69471c | 2791 | gen_uxtb(tmp); |
9ee6e8bb | 2792 | else |
ad69471c | 2793 | gen_sxtb(tmp); |
9ee6e8bb PB |
2794 | break; |
2795 | case 1: | |
9ee6e8bb PB |
2796 | if (insn & (1 << 23)) { |
2797 | if (offset) { | |
ad69471c | 2798 | tcg_gen_shri_i32(tmp, tmp, 16); |
9ee6e8bb | 2799 | } else { |
ad69471c | 2800 | gen_uxth(tmp); |
9ee6e8bb PB |
2801 | } |
2802 | } else { | |
2803 | if (offset) { | |
ad69471c | 2804 | tcg_gen_sari_i32(tmp, tmp, 16); |
9ee6e8bb | 2805 | } else { |
ad69471c | 2806 | gen_sxth(tmp); |
9ee6e8bb PB |
2807 | } |
2808 | } | |
2809 | break; | |
2810 | case 2: | |
9ee6e8bb PB |
2811 | break; |
2812 | } | |
ad69471c | 2813 | store_reg(s, rd, tmp); |
b7bcbe95 FB |
2814 | } else { |
2815 | /* arm->vfp */ | |
ad69471c | 2816 | tmp = load_reg(s, rd); |
9ee6e8bb PB |
2817 | if (insn & (1 << 23)) { |
2818 | /* VDUP */ | |
2819 | if (size == 0) { | |
ad69471c | 2820 | gen_neon_dup_u8(tmp, 0); |
9ee6e8bb | 2821 | } else if (size == 1) { |
ad69471c | 2822 | gen_neon_dup_low16(tmp); |
9ee6e8bb | 2823 | } |
cbbccffc | 2824 | for (n = 0; n <= pass * 2; n++) { |
7d1b0095 | 2825 | tmp2 = tcg_temp_new_i32(); |
cbbccffc PB |
2826 | tcg_gen_mov_i32(tmp2, tmp); |
2827 | neon_store_reg(rn, n, tmp2); | |
2828 | } | |
2829 | neon_store_reg(rn, n, tmp); | |
9ee6e8bb PB |
2830 | } else { |
2831 | /* VMOV */ | |
2832 | switch (size) { | |
2833 | case 0: | |
ad69471c PB |
2834 | tmp2 = neon_load_reg(rn, pass); |
2835 | gen_bfi(tmp, tmp2, tmp, offset, 0xff); | |
7d1b0095 | 2836 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
2837 | break; |
2838 | case 1: | |
ad69471c PB |
2839 | tmp2 = neon_load_reg(rn, pass); |
2840 | gen_bfi(tmp, tmp2, tmp, offset, 0xffff); | |
7d1b0095 | 2841 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
2842 | break; |
2843 | case 2: | |
9ee6e8bb PB |
2844 | break; |
2845 | } | |
ad69471c | 2846 | neon_store_reg(rn, pass, tmp); |
9ee6e8bb | 2847 | } |
b7bcbe95 | 2848 | } |
9ee6e8bb PB |
2849 | } else { /* !dp */ |
2850 | if ((insn & 0x6f) != 0x00) | |
2851 | return 1; | |
2852 | rn = VFP_SREG_N(insn); | |
18c9b560 | 2853 | if (insn & ARM_CP_RW_BIT) { |
b7bcbe95 FB |
2854 | /* vfp->arm */ |
2855 | if (insn & (1 << 21)) { | |
2856 | /* system register */ | |
40f137e1 | 2857 | rn >>= 1; |
9ee6e8bb | 2858 | |
b7bcbe95 | 2859 | switch (rn) { |
40f137e1 | 2860 | case ARM_VFP_FPSID: |
4373f3ce | 2861 | /* VFP2 allows access to FSID from userspace. |
9ee6e8bb PB |
2862 | VFP3 restricts all id registers to privileged |
2863 | accesses. */ | |
2864 | if (IS_USER(s) | |
2865 | && arm_feature(env, ARM_FEATURE_VFP3)) | |
2866 | return 1; | |
4373f3ce | 2867 | tmp = load_cpu_field(vfp.xregs[rn]); |
9ee6e8bb | 2868 | break; |
40f137e1 | 2869 | case ARM_VFP_FPEXC: |
9ee6e8bb PB |
2870 | if (IS_USER(s)) |
2871 | return 1; | |
4373f3ce | 2872 | tmp = load_cpu_field(vfp.xregs[rn]); |
9ee6e8bb | 2873 | break; |
40f137e1 PB |
2874 | case ARM_VFP_FPINST: |
2875 | case ARM_VFP_FPINST2: | |
9ee6e8bb PB |
2876 | /* Not present in VFP3. */ |
2877 | if (IS_USER(s) | |
2878 | || arm_feature(env, ARM_FEATURE_VFP3)) | |
2879 | return 1; | |
4373f3ce | 2880 | tmp = load_cpu_field(vfp.xregs[rn]); |
b7bcbe95 | 2881 | break; |
40f137e1 | 2882 | case ARM_VFP_FPSCR: |
601d70b9 | 2883 | if (rd == 15) { |
4373f3ce PB |
2884 | tmp = load_cpu_field(vfp.xregs[ARM_VFP_FPSCR]); |
2885 | tcg_gen_andi_i32(tmp, tmp, 0xf0000000); | |
2886 | } else { | |
7d1b0095 | 2887 | tmp = tcg_temp_new_i32(); |
4373f3ce PB |
2888 | gen_helper_vfp_get_fpscr(tmp, cpu_env); |
2889 | } | |
b7bcbe95 | 2890 | break; |
9ee6e8bb PB |
2891 | case ARM_VFP_MVFR0: |
2892 | case ARM_VFP_MVFR1: | |
2893 | if (IS_USER(s) | |
2894 | || !arm_feature(env, ARM_FEATURE_VFP3)) | |
2895 | return 1; | |
4373f3ce | 2896 | tmp = load_cpu_field(vfp.xregs[rn]); |
9ee6e8bb | 2897 | break; |
b7bcbe95 FB |
2898 | default: |
2899 | return 1; | |
2900 | } | |
2901 | } else { | |
2902 | gen_mov_F0_vreg(0, rn); | |
4373f3ce | 2903 | tmp = gen_vfp_mrs(); |
b7bcbe95 FB |
2904 | } |
2905 | if (rd == 15) { | |
b5ff1b31 | 2906 | /* Set the 4 flag bits in the CPSR. */ |
4373f3ce | 2907 | gen_set_nzcv(tmp); |
7d1b0095 | 2908 | tcg_temp_free_i32(tmp); |
4373f3ce PB |
2909 | } else { |
2910 | store_reg(s, rd, tmp); | |
2911 | } | |
b7bcbe95 FB |
2912 | } else { |
2913 | /* arm->vfp */ | |
4373f3ce | 2914 | tmp = load_reg(s, rd); |
b7bcbe95 | 2915 | if (insn & (1 << 21)) { |
40f137e1 | 2916 | rn >>= 1; |
b7bcbe95 FB |
2917 | /* system register */ |
2918 | switch (rn) { | |
40f137e1 | 2919 | case ARM_VFP_FPSID: |
9ee6e8bb PB |
2920 | case ARM_VFP_MVFR0: |
2921 | case ARM_VFP_MVFR1: | |
b7bcbe95 FB |
2922 | /* Writes are ignored. */ |
2923 | break; | |
40f137e1 | 2924 | case ARM_VFP_FPSCR: |
4373f3ce | 2925 | gen_helper_vfp_set_fpscr(cpu_env, tmp); |
7d1b0095 | 2926 | tcg_temp_free_i32(tmp); |
b5ff1b31 | 2927 | gen_lookup_tb(s); |
b7bcbe95 | 2928 | break; |
40f137e1 | 2929 | case ARM_VFP_FPEXC: |
9ee6e8bb PB |
2930 | if (IS_USER(s)) |
2931 | return 1; | |
71b3c3de JR |
2932 | /* TODO: VFP subarchitecture support. |
2933 | * For now, keep the EN bit only */ | |
2934 | tcg_gen_andi_i32(tmp, tmp, 1 << 30); | |
4373f3ce | 2935 | store_cpu_field(tmp, vfp.xregs[rn]); |
40f137e1 PB |
2936 | gen_lookup_tb(s); |
2937 | break; | |
2938 | case ARM_VFP_FPINST: | |
2939 | case ARM_VFP_FPINST2: | |
4373f3ce | 2940 | store_cpu_field(tmp, vfp.xregs[rn]); |
40f137e1 | 2941 | break; |
b7bcbe95 FB |
2942 | default: |
2943 | return 1; | |
2944 | } | |
2945 | } else { | |
4373f3ce | 2946 | gen_vfp_msr(tmp); |
b7bcbe95 FB |
2947 | gen_mov_vreg_F0(0, rn); |
2948 | } | |
2949 | } | |
2950 | } | |
2951 | } else { | |
2952 | /* data processing */ | |
2953 | /* The opcode is in bits 23, 21, 20 and 6. */ | |
2954 | op = ((insn >> 20) & 8) | ((insn >> 19) & 6) | ((insn >> 6) & 1); | |
2955 | if (dp) { | |
2956 | if (op == 15) { | |
2957 | /* rn is opcode */ | |
2958 | rn = ((insn >> 15) & 0x1e) | ((insn >> 7) & 1); | |
2959 | } else { | |
2960 | /* rn is register number */ | |
9ee6e8bb | 2961 | VFP_DREG_N(rn, insn); |
b7bcbe95 FB |
2962 | } |
2963 | ||
04595bf6 | 2964 | if (op == 15 && (rn == 15 || ((rn & 0x1c) == 0x18))) { |
b7bcbe95 | 2965 | /* Integer or single precision destination. */ |
9ee6e8bb | 2966 | rd = VFP_SREG_D(insn); |
b7bcbe95 | 2967 | } else { |
9ee6e8bb | 2968 | VFP_DREG_D(rd, insn); |
b7bcbe95 | 2969 | } |
04595bf6 PM |
2970 | if (op == 15 && |
2971 | (((rn & 0x1c) == 0x10) || ((rn & 0x14) == 0x14))) { | |
2972 | /* VCVT from int is always from S reg regardless of dp bit. | |
2973 | * VCVT with immediate frac_bits has same format as SREG_M | |
2974 | */ | |
2975 | rm = VFP_SREG_M(insn); | |
b7bcbe95 | 2976 | } else { |
9ee6e8bb | 2977 | VFP_DREG_M(rm, insn); |
b7bcbe95 FB |
2978 | } |
2979 | } else { | |
9ee6e8bb | 2980 | rn = VFP_SREG_N(insn); |
b7bcbe95 FB |
2981 | if (op == 15 && rn == 15) { |
2982 | /* Double precision destination. */ | |
9ee6e8bb PB |
2983 | VFP_DREG_D(rd, insn); |
2984 | } else { | |
2985 | rd = VFP_SREG_D(insn); | |
2986 | } | |
04595bf6 PM |
2987 | /* NB that we implicitly rely on the encoding for the frac_bits |
2988 | * in VCVT of fixed to float being the same as that of an SREG_M | |
2989 | */ | |
9ee6e8bb | 2990 | rm = VFP_SREG_M(insn); |
b7bcbe95 FB |
2991 | } |
2992 | ||
69d1fc22 | 2993 | veclen = s->vec_len; |
b7bcbe95 FB |
2994 | if (op == 15 && rn > 3) |
2995 | veclen = 0; | |
2996 | ||
2997 | /* Shut up compiler warnings. */ | |
2998 | delta_m = 0; | |
2999 | delta_d = 0; | |
3000 | bank_mask = 0; | |
3b46e624 | 3001 | |
b7bcbe95 FB |
3002 | if (veclen > 0) { |
3003 | if (dp) | |
3004 | bank_mask = 0xc; | |
3005 | else | |
3006 | bank_mask = 0x18; | |
3007 | ||
3008 | /* Figure out what type of vector operation this is. */ | |
3009 | if ((rd & bank_mask) == 0) { | |
3010 | /* scalar */ | |
3011 | veclen = 0; | |
3012 | } else { | |
3013 | if (dp) | |
69d1fc22 | 3014 | delta_d = (s->vec_stride >> 1) + 1; |
b7bcbe95 | 3015 | else |
69d1fc22 | 3016 | delta_d = s->vec_stride + 1; |
b7bcbe95 FB |
3017 | |
3018 | if ((rm & bank_mask) == 0) { | |
3019 | /* mixed scalar/vector */ | |
3020 | delta_m = 0; | |
3021 | } else { | |
3022 | /* vector */ | |
3023 | delta_m = delta_d; | |
3024 | } | |
3025 | } | |
3026 | } | |
3027 | ||
3028 | /* Load the initial operands. */ | |
3029 | if (op == 15) { | |
3030 | switch (rn) { | |
3031 | case 16: | |
3032 | case 17: | |
3033 | /* Integer source */ | |
3034 | gen_mov_F0_vreg(0, rm); | |
3035 | break; | |
3036 | case 8: | |
3037 | case 9: | |
3038 | /* Compare */ | |
3039 | gen_mov_F0_vreg(dp, rd); | |
3040 | gen_mov_F1_vreg(dp, rm); | |
3041 | break; | |
3042 | case 10: | |
3043 | case 11: | |
3044 | /* Compare with zero */ | |
3045 | gen_mov_F0_vreg(dp, rd); | |
3046 | gen_vfp_F1_ld0(dp); | |
3047 | break; | |
9ee6e8bb PB |
3048 | case 20: |
3049 | case 21: | |
3050 | case 22: | |
3051 | case 23: | |
644ad806 PB |
3052 | case 28: |
3053 | case 29: | |
3054 | case 30: | |
3055 | case 31: | |
9ee6e8bb PB |
3056 | /* Source and destination the same. */ |
3057 | gen_mov_F0_vreg(dp, rd); | |
3058 | break; | |
b7bcbe95 FB |
3059 | default: |
3060 | /* One source operand. */ | |
3061 | gen_mov_F0_vreg(dp, rm); | |
9ee6e8bb | 3062 | break; |
b7bcbe95 FB |
3063 | } |
3064 | } else { | |
3065 | /* Two source operands. */ | |
3066 | gen_mov_F0_vreg(dp, rn); | |
3067 | gen_mov_F1_vreg(dp, rm); | |
3068 | } | |
3069 | ||
3070 | for (;;) { | |
3071 | /* Perform the calculation. */ | |
3072 | switch (op) { | |
605a6aed PM |
3073 | case 0: /* VMLA: fd + (fn * fm) */ |
3074 | /* Note that order of inputs to the add matters for NaNs */ | |
3075 | gen_vfp_F1_mul(dp); | |
3076 | gen_mov_F0_vreg(dp, rd); | |
b7bcbe95 FB |
3077 | gen_vfp_add(dp); |
3078 | break; | |
605a6aed | 3079 | case 1: /* VMLS: fd + -(fn * fm) */ |
b7bcbe95 | 3080 | gen_vfp_mul(dp); |
605a6aed PM |
3081 | gen_vfp_F1_neg(dp); |
3082 | gen_mov_F0_vreg(dp, rd); | |
b7bcbe95 FB |
3083 | gen_vfp_add(dp); |
3084 | break; | |
605a6aed PM |
3085 | case 2: /* VNMLS: -fd + (fn * fm) */ |
3086 | /* Note that it isn't valid to replace (-A + B) with (B - A) | |
3087 | * or similar plausible looking simplifications | |
3088 | * because this will give wrong results for NaNs. | |
3089 | */ | |
3090 | gen_vfp_F1_mul(dp); | |
3091 | gen_mov_F0_vreg(dp, rd); | |
3092 | gen_vfp_neg(dp); | |
3093 | gen_vfp_add(dp); | |
b7bcbe95 | 3094 | break; |
605a6aed | 3095 | case 3: /* VNMLA: -fd + -(fn * fm) */ |
b7bcbe95 | 3096 | gen_vfp_mul(dp); |
605a6aed PM |
3097 | gen_vfp_F1_neg(dp); |
3098 | gen_mov_F0_vreg(dp, rd); | |
b7bcbe95 | 3099 | gen_vfp_neg(dp); |
605a6aed | 3100 | gen_vfp_add(dp); |
b7bcbe95 FB |
3101 | break; |
3102 | case 4: /* mul: fn * fm */ | |
3103 | gen_vfp_mul(dp); | |
3104 | break; | |
3105 | case 5: /* nmul: -(fn * fm) */ | |
3106 | gen_vfp_mul(dp); | |
3107 | gen_vfp_neg(dp); | |
3108 | break; | |
3109 | case 6: /* add: fn + fm */ | |
3110 | gen_vfp_add(dp); | |
3111 | break; | |
3112 | case 7: /* sub: fn - fm */ | |
3113 | gen_vfp_sub(dp); | |
3114 | break; | |
3115 | case 8: /* div: fn / fm */ | |
3116 | gen_vfp_div(dp); | |
3117 | break; | |
9ee6e8bb PB |
3118 | case 14: /* fconst */ |
3119 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3120 | return 1; | |
3121 | ||
3122 | n = (insn << 12) & 0x80000000; | |
3123 | i = ((insn >> 12) & 0x70) | (insn & 0xf); | |
3124 | if (dp) { | |
3125 | if (i & 0x40) | |
3126 | i |= 0x3f80; | |
3127 | else | |
3128 | i |= 0x4000; | |
3129 | n |= i << 16; | |
4373f3ce | 3130 | tcg_gen_movi_i64(cpu_F0d, ((uint64_t)n) << 32); |
9ee6e8bb PB |
3131 | } else { |
3132 | if (i & 0x40) | |
3133 | i |= 0x780; | |
3134 | else | |
3135 | i |= 0x800; | |
3136 | n |= i << 19; | |
5b340b51 | 3137 | tcg_gen_movi_i32(cpu_F0s, n); |
9ee6e8bb | 3138 | } |
9ee6e8bb | 3139 | break; |
b7bcbe95 FB |
3140 | case 15: /* extension space */ |
3141 | switch (rn) { | |
3142 | case 0: /* cpy */ | |
3143 | /* no-op */ | |
3144 | break; | |
3145 | case 1: /* abs */ | |
3146 | gen_vfp_abs(dp); | |
3147 | break; | |
3148 | case 2: /* neg */ | |
3149 | gen_vfp_neg(dp); | |
3150 | break; | |
3151 | case 3: /* sqrt */ | |
3152 | gen_vfp_sqrt(dp); | |
3153 | break; | |
60011498 PB |
3154 | case 4: /* vcvtb.f32.f16 */ |
3155 | if (!arm_feature(env, ARM_FEATURE_VFP_FP16)) | |
3156 | return 1; | |
3157 | tmp = gen_vfp_mrs(); | |
3158 | tcg_gen_ext16u_i32(tmp, tmp); | |
3159 | gen_helper_vfp_fcvt_f16_to_f32(cpu_F0s, tmp, cpu_env); | |
7d1b0095 | 3160 | tcg_temp_free_i32(tmp); |
60011498 PB |
3161 | break; |
3162 | case 5: /* vcvtt.f32.f16 */ | |
3163 | if (!arm_feature(env, ARM_FEATURE_VFP_FP16)) | |
3164 | return 1; | |
3165 | tmp = gen_vfp_mrs(); | |
3166 | tcg_gen_shri_i32(tmp, tmp, 16); | |
3167 | gen_helper_vfp_fcvt_f16_to_f32(cpu_F0s, tmp, cpu_env); | |
7d1b0095 | 3168 | tcg_temp_free_i32(tmp); |
60011498 PB |
3169 | break; |
3170 | case 6: /* vcvtb.f16.f32 */ | |
3171 | if (!arm_feature(env, ARM_FEATURE_VFP_FP16)) | |
3172 | return 1; | |
7d1b0095 | 3173 | tmp = tcg_temp_new_i32(); |
60011498 PB |
3174 | gen_helper_vfp_fcvt_f32_to_f16(tmp, cpu_F0s, cpu_env); |
3175 | gen_mov_F0_vreg(0, rd); | |
3176 | tmp2 = gen_vfp_mrs(); | |
3177 | tcg_gen_andi_i32(tmp2, tmp2, 0xffff0000); | |
3178 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
7d1b0095 | 3179 | tcg_temp_free_i32(tmp2); |
60011498 PB |
3180 | gen_vfp_msr(tmp); |
3181 | break; | |
3182 | case 7: /* vcvtt.f16.f32 */ | |
3183 | if (!arm_feature(env, ARM_FEATURE_VFP_FP16)) | |
3184 | return 1; | |
7d1b0095 | 3185 | tmp = tcg_temp_new_i32(); |
60011498 PB |
3186 | gen_helper_vfp_fcvt_f32_to_f16(tmp, cpu_F0s, cpu_env); |
3187 | tcg_gen_shli_i32(tmp, tmp, 16); | |
3188 | gen_mov_F0_vreg(0, rd); | |
3189 | tmp2 = gen_vfp_mrs(); | |
3190 | tcg_gen_ext16u_i32(tmp2, tmp2); | |
3191 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
7d1b0095 | 3192 | tcg_temp_free_i32(tmp2); |
60011498 PB |
3193 | gen_vfp_msr(tmp); |
3194 | break; | |
b7bcbe95 FB |
3195 | case 8: /* cmp */ |
3196 | gen_vfp_cmp(dp); | |
3197 | break; | |
3198 | case 9: /* cmpe */ | |
3199 | gen_vfp_cmpe(dp); | |
3200 | break; | |
3201 | case 10: /* cmpz */ | |
3202 | gen_vfp_cmp(dp); | |
3203 | break; | |
3204 | case 11: /* cmpez */ | |
3205 | gen_vfp_F1_ld0(dp); | |
3206 | gen_vfp_cmpe(dp); | |
3207 | break; | |
3208 | case 15: /* single<->double conversion */ | |
3209 | if (dp) | |
4373f3ce | 3210 | gen_helper_vfp_fcvtsd(cpu_F0s, cpu_F0d, cpu_env); |
b7bcbe95 | 3211 | else |
4373f3ce | 3212 | gen_helper_vfp_fcvtds(cpu_F0d, cpu_F0s, cpu_env); |
b7bcbe95 FB |
3213 | break; |
3214 | case 16: /* fuito */ | |
5500b06c | 3215 | gen_vfp_uito(dp, 0); |
b7bcbe95 FB |
3216 | break; |
3217 | case 17: /* fsito */ | |
5500b06c | 3218 | gen_vfp_sito(dp, 0); |
b7bcbe95 | 3219 | break; |
9ee6e8bb PB |
3220 | case 20: /* fshto */ |
3221 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3222 | return 1; | |
5500b06c | 3223 | gen_vfp_shto(dp, 16 - rm, 0); |
9ee6e8bb PB |
3224 | break; |
3225 | case 21: /* fslto */ | |
3226 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3227 | return 1; | |
5500b06c | 3228 | gen_vfp_slto(dp, 32 - rm, 0); |
9ee6e8bb PB |
3229 | break; |
3230 | case 22: /* fuhto */ | |
3231 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3232 | return 1; | |
5500b06c | 3233 | gen_vfp_uhto(dp, 16 - rm, 0); |
9ee6e8bb PB |
3234 | break; |
3235 | case 23: /* fulto */ | |
3236 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3237 | return 1; | |
5500b06c | 3238 | gen_vfp_ulto(dp, 32 - rm, 0); |
9ee6e8bb | 3239 | break; |
b7bcbe95 | 3240 | case 24: /* ftoui */ |
5500b06c | 3241 | gen_vfp_toui(dp, 0); |
b7bcbe95 FB |
3242 | break; |
3243 | case 25: /* ftouiz */ | |
5500b06c | 3244 | gen_vfp_touiz(dp, 0); |
b7bcbe95 FB |
3245 | break; |
3246 | case 26: /* ftosi */ | |
5500b06c | 3247 | gen_vfp_tosi(dp, 0); |
b7bcbe95 FB |
3248 | break; |
3249 | case 27: /* ftosiz */ | |
5500b06c | 3250 | gen_vfp_tosiz(dp, 0); |
b7bcbe95 | 3251 | break; |
9ee6e8bb PB |
3252 | case 28: /* ftosh */ |
3253 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3254 | return 1; | |
5500b06c | 3255 | gen_vfp_tosh(dp, 16 - rm, 0); |
9ee6e8bb PB |
3256 | break; |
3257 | case 29: /* ftosl */ | |
3258 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3259 | return 1; | |
5500b06c | 3260 | gen_vfp_tosl(dp, 32 - rm, 0); |
9ee6e8bb PB |
3261 | break; |
3262 | case 30: /* ftouh */ | |
3263 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3264 | return 1; | |
5500b06c | 3265 | gen_vfp_touh(dp, 16 - rm, 0); |
9ee6e8bb PB |
3266 | break; |
3267 | case 31: /* ftoul */ | |
3268 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3269 | return 1; | |
5500b06c | 3270 | gen_vfp_toul(dp, 32 - rm, 0); |
9ee6e8bb | 3271 | break; |
b7bcbe95 FB |
3272 | default: /* undefined */ |
3273 | printf ("rn:%d\n", rn); | |
3274 | return 1; | |
3275 | } | |
3276 | break; | |
3277 | default: /* undefined */ | |
3278 | printf ("op:%d\n", op); | |
3279 | return 1; | |
3280 | } | |
3281 | ||
3282 | /* Write back the result. */ | |
3283 | if (op == 15 && (rn >= 8 && rn <= 11)) | |
3284 | ; /* Comparison, do nothing. */ | |
04595bf6 PM |
3285 | else if (op == 15 && dp && ((rn & 0x1c) == 0x18)) |
3286 | /* VCVT double to int: always integer result. */ | |
b7bcbe95 FB |
3287 | gen_mov_vreg_F0(0, rd); |
3288 | else if (op == 15 && rn == 15) | |
3289 | /* conversion */ | |
3290 | gen_mov_vreg_F0(!dp, rd); | |
3291 | else | |
3292 | gen_mov_vreg_F0(dp, rd); | |
3293 | ||
3294 | /* break out of the loop if we have finished */ | |
3295 | if (veclen == 0) | |
3296 | break; | |
3297 | ||
3298 | if (op == 15 && delta_m == 0) { | |
3299 | /* single source one-many */ | |
3300 | while (veclen--) { | |
3301 | rd = ((rd + delta_d) & (bank_mask - 1)) | |
3302 | | (rd & bank_mask); | |
3303 | gen_mov_vreg_F0(dp, rd); | |
3304 | } | |
3305 | break; | |
3306 | } | |
3307 | /* Setup the next operands. */ | |
3308 | veclen--; | |
3309 | rd = ((rd + delta_d) & (bank_mask - 1)) | |
3310 | | (rd & bank_mask); | |
3311 | ||
3312 | if (op == 15) { | |
3313 | /* One source operand. */ | |
3314 | rm = ((rm + delta_m) & (bank_mask - 1)) | |
3315 | | (rm & bank_mask); | |
3316 | gen_mov_F0_vreg(dp, rm); | |
3317 | } else { | |
3318 | /* Two source operands. */ | |
3319 | rn = ((rn + delta_d) & (bank_mask - 1)) | |
3320 | | (rn & bank_mask); | |
3321 | gen_mov_F0_vreg(dp, rn); | |
3322 | if (delta_m) { | |
3323 | rm = ((rm + delta_m) & (bank_mask - 1)) | |
3324 | | (rm & bank_mask); | |
3325 | gen_mov_F1_vreg(dp, rm); | |
3326 | } | |
3327 | } | |
3328 | } | |
3329 | } | |
3330 | break; | |
3331 | case 0xc: | |
3332 | case 0xd: | |
8387da81 | 3333 | if ((insn & 0x03e00000) == 0x00400000) { |
b7bcbe95 FB |
3334 | /* two-register transfer */ |
3335 | rn = (insn >> 16) & 0xf; | |
3336 | rd = (insn >> 12) & 0xf; | |
3337 | if (dp) { | |
9ee6e8bb PB |
3338 | VFP_DREG_M(rm, insn); |
3339 | } else { | |
3340 | rm = VFP_SREG_M(insn); | |
3341 | } | |
b7bcbe95 | 3342 | |
18c9b560 | 3343 | if (insn & ARM_CP_RW_BIT) { |
b7bcbe95 FB |
3344 | /* vfp->arm */ |
3345 | if (dp) { | |
4373f3ce PB |
3346 | gen_mov_F0_vreg(0, rm * 2); |
3347 | tmp = gen_vfp_mrs(); | |
3348 | store_reg(s, rd, tmp); | |
3349 | gen_mov_F0_vreg(0, rm * 2 + 1); | |
3350 | tmp = gen_vfp_mrs(); | |
3351 | store_reg(s, rn, tmp); | |
b7bcbe95 FB |
3352 | } else { |
3353 | gen_mov_F0_vreg(0, rm); | |
4373f3ce | 3354 | tmp = gen_vfp_mrs(); |
8387da81 | 3355 | store_reg(s, rd, tmp); |
b7bcbe95 | 3356 | gen_mov_F0_vreg(0, rm + 1); |
4373f3ce | 3357 | tmp = gen_vfp_mrs(); |
8387da81 | 3358 | store_reg(s, rn, tmp); |
b7bcbe95 FB |
3359 | } |
3360 | } else { | |
3361 | /* arm->vfp */ | |
3362 | if (dp) { | |
4373f3ce PB |
3363 | tmp = load_reg(s, rd); |
3364 | gen_vfp_msr(tmp); | |
3365 | gen_mov_vreg_F0(0, rm * 2); | |
3366 | tmp = load_reg(s, rn); | |
3367 | gen_vfp_msr(tmp); | |
3368 | gen_mov_vreg_F0(0, rm * 2 + 1); | |
b7bcbe95 | 3369 | } else { |
8387da81 | 3370 | tmp = load_reg(s, rd); |
4373f3ce | 3371 | gen_vfp_msr(tmp); |
b7bcbe95 | 3372 | gen_mov_vreg_F0(0, rm); |
8387da81 | 3373 | tmp = load_reg(s, rn); |
4373f3ce | 3374 | gen_vfp_msr(tmp); |
b7bcbe95 FB |
3375 | gen_mov_vreg_F0(0, rm + 1); |
3376 | } | |
3377 | } | |
3378 | } else { | |
3379 | /* Load/store */ | |
3380 | rn = (insn >> 16) & 0xf; | |
3381 | if (dp) | |
9ee6e8bb | 3382 | VFP_DREG_D(rd, insn); |
b7bcbe95 | 3383 | else |
9ee6e8bb PB |
3384 | rd = VFP_SREG_D(insn); |
3385 | if (s->thumb && rn == 15) { | |
7d1b0095 | 3386 | addr = tcg_temp_new_i32(); |
312eea9f | 3387 | tcg_gen_movi_i32(addr, s->pc & ~2); |
9ee6e8bb | 3388 | } else { |
312eea9f | 3389 | addr = load_reg(s, rn); |
9ee6e8bb | 3390 | } |
b7bcbe95 FB |
3391 | if ((insn & 0x01200000) == 0x01000000) { |
3392 | /* Single load/store */ | |
3393 | offset = (insn & 0xff) << 2; | |
3394 | if ((insn & (1 << 23)) == 0) | |
3395 | offset = -offset; | |
312eea9f | 3396 | tcg_gen_addi_i32(addr, addr, offset); |
b7bcbe95 | 3397 | if (insn & (1 << 20)) { |
312eea9f | 3398 | gen_vfp_ld(s, dp, addr); |
b7bcbe95 FB |
3399 | gen_mov_vreg_F0(dp, rd); |
3400 | } else { | |
3401 | gen_mov_F0_vreg(dp, rd); | |
312eea9f | 3402 | gen_vfp_st(s, dp, addr); |
b7bcbe95 | 3403 | } |
7d1b0095 | 3404 | tcg_temp_free_i32(addr); |
b7bcbe95 FB |
3405 | } else { |
3406 | /* load/store multiple */ | |
3407 | if (dp) | |
3408 | n = (insn >> 1) & 0x7f; | |
3409 | else | |
3410 | n = insn & 0xff; | |
3411 | ||
3412 | if (insn & (1 << 24)) /* pre-decrement */ | |
312eea9f | 3413 | tcg_gen_addi_i32(addr, addr, -((insn & 0xff) << 2)); |
b7bcbe95 FB |
3414 | |
3415 | if (dp) | |
3416 | offset = 8; | |
3417 | else | |
3418 | offset = 4; | |
3419 | for (i = 0; i < n; i++) { | |
18c9b560 | 3420 | if (insn & ARM_CP_RW_BIT) { |
b7bcbe95 | 3421 | /* load */ |
312eea9f | 3422 | gen_vfp_ld(s, dp, addr); |
b7bcbe95 FB |
3423 | gen_mov_vreg_F0(dp, rd + i); |
3424 | } else { | |
3425 | /* store */ | |
3426 | gen_mov_F0_vreg(dp, rd + i); | |
312eea9f | 3427 | gen_vfp_st(s, dp, addr); |
b7bcbe95 | 3428 | } |
312eea9f | 3429 | tcg_gen_addi_i32(addr, addr, offset); |
b7bcbe95 FB |
3430 | } |
3431 | if (insn & (1 << 21)) { | |
3432 | /* writeback */ | |
3433 | if (insn & (1 << 24)) | |
3434 | offset = -offset * n; | |
3435 | else if (dp && (insn & 1)) | |
3436 | offset = 4; | |
3437 | else | |
3438 | offset = 0; | |
3439 | ||
3440 | if (offset != 0) | |
312eea9f FN |
3441 | tcg_gen_addi_i32(addr, addr, offset); |
3442 | store_reg(s, rn, addr); | |
3443 | } else { | |
7d1b0095 | 3444 | tcg_temp_free_i32(addr); |
b7bcbe95 FB |
3445 | } |
3446 | } | |
3447 | } | |
3448 | break; | |
3449 | default: | |
3450 | /* Should never happen. */ | |
3451 | return 1; | |
3452 | } | |
3453 | return 0; | |
3454 | } | |
3455 | ||
6e256c93 | 3456 | static inline void gen_goto_tb(DisasContext *s, int n, uint32_t dest) |
c53be334 | 3457 | { |
6e256c93 FB |
3458 | TranslationBlock *tb; |
3459 | ||
3460 | tb = s->tb; | |
3461 | if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) { | |
57fec1fe | 3462 | tcg_gen_goto_tb(n); |
8984bd2e | 3463 | gen_set_pc_im(dest); |
4b4a72e5 | 3464 | tcg_gen_exit_tb((tcg_target_long)tb + n); |
6e256c93 | 3465 | } else { |
8984bd2e | 3466 | gen_set_pc_im(dest); |
57fec1fe | 3467 | tcg_gen_exit_tb(0); |
6e256c93 | 3468 | } |
c53be334 FB |
3469 | } |
3470 | ||
8aaca4c0 FB |
3471 | static inline void gen_jmp (DisasContext *s, uint32_t dest) |
3472 | { | |
551bd27f | 3473 | if (unlikely(s->singlestep_enabled)) { |
8aaca4c0 | 3474 | /* An indirect jump so that we still trigger the debug exception. */ |
5899f386 | 3475 | if (s->thumb) |
d9ba4830 PB |
3476 | dest |= 1; |
3477 | gen_bx_im(s, dest); | |
8aaca4c0 | 3478 | } else { |
6e256c93 | 3479 | gen_goto_tb(s, 0, dest); |
8aaca4c0 FB |
3480 | s->is_jmp = DISAS_TB_JUMP; |
3481 | } | |
3482 | } | |
3483 | ||
d9ba4830 | 3484 | static inline void gen_mulxy(TCGv t0, TCGv t1, int x, int y) |
b5ff1b31 | 3485 | { |
ee097184 | 3486 | if (x) |
d9ba4830 | 3487 | tcg_gen_sari_i32(t0, t0, 16); |
b5ff1b31 | 3488 | else |
d9ba4830 | 3489 | gen_sxth(t0); |
ee097184 | 3490 | if (y) |
d9ba4830 | 3491 | tcg_gen_sari_i32(t1, t1, 16); |
b5ff1b31 | 3492 | else |
d9ba4830 PB |
3493 | gen_sxth(t1); |
3494 | tcg_gen_mul_i32(t0, t0, t1); | |
b5ff1b31 FB |
3495 | } |
3496 | ||
3497 | /* Return the mask of PSR bits set by a MSR instruction. */ | |
9ee6e8bb | 3498 | static uint32_t msr_mask(CPUState *env, DisasContext *s, int flags, int spsr) { |
b5ff1b31 FB |
3499 | uint32_t mask; |
3500 | ||
3501 | mask = 0; | |
3502 | if (flags & (1 << 0)) | |
3503 | mask |= 0xff; | |
3504 | if (flags & (1 << 1)) | |
3505 | mask |= 0xff00; | |
3506 | if (flags & (1 << 2)) | |
3507 | mask |= 0xff0000; | |
3508 | if (flags & (1 << 3)) | |
3509 | mask |= 0xff000000; | |
9ee6e8bb | 3510 | |
2ae23e75 | 3511 | /* Mask out undefined bits. */ |
9ee6e8bb | 3512 | mask &= ~CPSR_RESERVED; |
be5e7a76 DES |
3513 | if (!arm_feature(env, ARM_FEATURE_V4T)) |
3514 | mask &= ~CPSR_T; | |
3515 | if (!arm_feature(env, ARM_FEATURE_V5)) | |
3516 | mask &= ~CPSR_Q; /* V5TE in reality*/ | |
9ee6e8bb | 3517 | if (!arm_feature(env, ARM_FEATURE_V6)) |
e160c51c | 3518 | mask &= ~(CPSR_E | CPSR_GE); |
9ee6e8bb | 3519 | if (!arm_feature(env, ARM_FEATURE_THUMB2)) |
e160c51c | 3520 | mask &= ~CPSR_IT; |
9ee6e8bb | 3521 | /* Mask out execution state bits. */ |
2ae23e75 | 3522 | if (!spsr) |
e160c51c | 3523 | mask &= ~CPSR_EXEC; |
b5ff1b31 FB |
3524 | /* Mask out privileged bits. */ |
3525 | if (IS_USER(s)) | |
9ee6e8bb | 3526 | mask &= CPSR_USER; |
b5ff1b31 FB |
3527 | return mask; |
3528 | } | |
3529 | ||
2fbac54b FN |
3530 | /* Returns nonzero if access to the PSR is not permitted. Marks t0 as dead. */ |
3531 | static int gen_set_psr(DisasContext *s, uint32_t mask, int spsr, TCGv t0) | |
b5ff1b31 | 3532 | { |
d9ba4830 | 3533 | TCGv tmp; |
b5ff1b31 FB |
3534 | if (spsr) { |
3535 | /* ??? This is also undefined in system mode. */ | |
3536 | if (IS_USER(s)) | |
3537 | return 1; | |
d9ba4830 PB |
3538 | |
3539 | tmp = load_cpu_field(spsr); | |
3540 | tcg_gen_andi_i32(tmp, tmp, ~mask); | |
2fbac54b FN |
3541 | tcg_gen_andi_i32(t0, t0, mask); |
3542 | tcg_gen_or_i32(tmp, tmp, t0); | |
d9ba4830 | 3543 | store_cpu_field(tmp, spsr); |
b5ff1b31 | 3544 | } else { |
2fbac54b | 3545 | gen_set_cpsr(t0, mask); |
b5ff1b31 | 3546 | } |
7d1b0095 | 3547 | tcg_temp_free_i32(t0); |
b5ff1b31 FB |
3548 | gen_lookup_tb(s); |
3549 | return 0; | |
3550 | } | |
3551 | ||
2fbac54b FN |
3552 | /* Returns nonzero if access to the PSR is not permitted. */ |
3553 | static int gen_set_psr_im(DisasContext *s, uint32_t mask, int spsr, uint32_t val) | |
3554 | { | |
3555 | TCGv tmp; | |
7d1b0095 | 3556 | tmp = tcg_temp_new_i32(); |
2fbac54b FN |
3557 | tcg_gen_movi_i32(tmp, val); |
3558 | return gen_set_psr(s, mask, spsr, tmp); | |
3559 | } | |
3560 | ||
e9bb4aa9 JR |
3561 | /* Generate an old-style exception return. Marks pc as dead. */ |
3562 | static void gen_exception_return(DisasContext *s, TCGv pc) | |
b5ff1b31 | 3563 | { |
d9ba4830 | 3564 | TCGv tmp; |
e9bb4aa9 | 3565 | store_reg(s, 15, pc); |
d9ba4830 PB |
3566 | tmp = load_cpu_field(spsr); |
3567 | gen_set_cpsr(tmp, 0xffffffff); | |
7d1b0095 | 3568 | tcg_temp_free_i32(tmp); |
b5ff1b31 FB |
3569 | s->is_jmp = DISAS_UPDATE; |
3570 | } | |
3571 | ||
b0109805 PB |
3572 | /* Generate a v6 exception return. Marks both values as dead. */ |
3573 | static void gen_rfe(DisasContext *s, TCGv pc, TCGv cpsr) | |
2c0262af | 3574 | { |
b0109805 | 3575 | gen_set_cpsr(cpsr, 0xffffffff); |
7d1b0095 | 3576 | tcg_temp_free_i32(cpsr); |
b0109805 | 3577 | store_reg(s, 15, pc); |
9ee6e8bb PB |
3578 | s->is_jmp = DISAS_UPDATE; |
3579 | } | |
3b46e624 | 3580 | |
9ee6e8bb PB |
3581 | static inline void |
3582 | gen_set_condexec (DisasContext *s) | |
3583 | { | |
3584 | if (s->condexec_mask) { | |
8f01245e | 3585 | uint32_t val = (s->condexec_cond << 4) | (s->condexec_mask >> 1); |
7d1b0095 | 3586 | TCGv tmp = tcg_temp_new_i32(); |
8f01245e | 3587 | tcg_gen_movi_i32(tmp, val); |
d9ba4830 | 3588 | store_cpu_field(tmp, condexec_bits); |
9ee6e8bb PB |
3589 | } |
3590 | } | |
3b46e624 | 3591 | |
bc4a0de0 PM |
3592 | static void gen_exception_insn(DisasContext *s, int offset, int excp) |
3593 | { | |
3594 | gen_set_condexec(s); | |
3595 | gen_set_pc_im(s->pc - offset); | |
3596 | gen_exception(excp); | |
3597 | s->is_jmp = DISAS_JUMP; | |
3598 | } | |
3599 | ||
9ee6e8bb PB |
3600 | static void gen_nop_hint(DisasContext *s, int val) |
3601 | { | |
3602 | switch (val) { | |
3603 | case 3: /* wfi */ | |
8984bd2e | 3604 | gen_set_pc_im(s->pc); |
9ee6e8bb PB |
3605 | s->is_jmp = DISAS_WFI; |
3606 | break; | |
3607 | case 2: /* wfe */ | |
3608 | case 4: /* sev */ | |
3609 | /* TODO: Implement SEV and WFE. May help SMP performance. */ | |
3610 | default: /* nop */ | |
3611 | break; | |
3612 | } | |
3613 | } | |
99c475ab | 3614 | |
ad69471c | 3615 | #define CPU_V001 cpu_V0, cpu_V0, cpu_V1 |
9ee6e8bb | 3616 | |
62698be3 | 3617 | static inline void gen_neon_add(int size, TCGv t0, TCGv t1) |
9ee6e8bb PB |
3618 | { |
3619 | switch (size) { | |
dd8fbd78 FN |
3620 | case 0: gen_helper_neon_add_u8(t0, t0, t1); break; |
3621 | case 1: gen_helper_neon_add_u16(t0, t0, t1); break; | |
3622 | case 2: tcg_gen_add_i32(t0, t0, t1); break; | |
62698be3 | 3623 | default: abort(); |
9ee6e8bb | 3624 | } |
9ee6e8bb PB |
3625 | } |
3626 | ||
dd8fbd78 | 3627 | static inline void gen_neon_rsb(int size, TCGv t0, TCGv t1) |
ad69471c PB |
3628 | { |
3629 | switch (size) { | |
dd8fbd78 FN |
3630 | case 0: gen_helper_neon_sub_u8(t0, t1, t0); break; |
3631 | case 1: gen_helper_neon_sub_u16(t0, t1, t0); break; | |
3632 | case 2: tcg_gen_sub_i32(t0, t1, t0); break; | |
ad69471c PB |
3633 | default: return; |
3634 | } | |
3635 | } | |
3636 | ||
3637 | /* 32-bit pairwise ops end up the same as the elementwise versions. */ | |
3638 | #define gen_helper_neon_pmax_s32 gen_helper_neon_max_s32 | |
3639 | #define gen_helper_neon_pmax_u32 gen_helper_neon_max_u32 | |
3640 | #define gen_helper_neon_pmin_s32 gen_helper_neon_min_s32 | |
3641 | #define gen_helper_neon_pmin_u32 gen_helper_neon_min_u32 | |
3642 | ||
ad69471c PB |
3643 | #define GEN_NEON_INTEGER_OP_ENV(name) do { \ |
3644 | switch ((size << 1) | u) { \ | |
3645 | case 0: \ | |
dd8fbd78 | 3646 | gen_helper_neon_##name##_s8(tmp, cpu_env, tmp, tmp2); \ |
ad69471c PB |
3647 | break; \ |
3648 | case 1: \ | |
dd8fbd78 | 3649 | gen_helper_neon_##name##_u8(tmp, cpu_env, tmp, tmp2); \ |
ad69471c PB |
3650 | break; \ |
3651 | case 2: \ | |
dd8fbd78 | 3652 | gen_helper_neon_##name##_s16(tmp, cpu_env, tmp, tmp2); \ |
ad69471c PB |
3653 | break; \ |
3654 | case 3: \ | |
dd8fbd78 | 3655 | gen_helper_neon_##name##_u16(tmp, cpu_env, tmp, tmp2); \ |
ad69471c PB |
3656 | break; \ |
3657 | case 4: \ | |
dd8fbd78 | 3658 | gen_helper_neon_##name##_s32(tmp, cpu_env, tmp, tmp2); \ |
ad69471c PB |
3659 | break; \ |
3660 | case 5: \ | |
dd8fbd78 | 3661 | gen_helper_neon_##name##_u32(tmp, cpu_env, tmp, tmp2); \ |
ad69471c PB |
3662 | break; \ |
3663 | default: return 1; \ | |
3664 | }} while (0) | |
9ee6e8bb PB |
3665 | |
3666 | #define GEN_NEON_INTEGER_OP(name) do { \ | |
3667 | switch ((size << 1) | u) { \ | |
ad69471c | 3668 | case 0: \ |
dd8fbd78 | 3669 | gen_helper_neon_##name##_s8(tmp, tmp, tmp2); \ |
ad69471c PB |
3670 | break; \ |
3671 | case 1: \ | |
dd8fbd78 | 3672 | gen_helper_neon_##name##_u8(tmp, tmp, tmp2); \ |
ad69471c PB |
3673 | break; \ |
3674 | case 2: \ | |
dd8fbd78 | 3675 | gen_helper_neon_##name##_s16(tmp, tmp, tmp2); \ |
ad69471c PB |
3676 | break; \ |
3677 | case 3: \ | |
dd8fbd78 | 3678 | gen_helper_neon_##name##_u16(tmp, tmp, tmp2); \ |
ad69471c PB |
3679 | break; \ |
3680 | case 4: \ | |
dd8fbd78 | 3681 | gen_helper_neon_##name##_s32(tmp, tmp, tmp2); \ |
ad69471c PB |
3682 | break; \ |
3683 | case 5: \ | |
dd8fbd78 | 3684 | gen_helper_neon_##name##_u32(tmp, tmp, tmp2); \ |
ad69471c | 3685 | break; \ |
9ee6e8bb PB |
3686 | default: return 1; \ |
3687 | }} while (0) | |
3688 | ||
dd8fbd78 | 3689 | static TCGv neon_load_scratch(int scratch) |
9ee6e8bb | 3690 | { |
7d1b0095 | 3691 | TCGv tmp = tcg_temp_new_i32(); |
dd8fbd78 FN |
3692 | tcg_gen_ld_i32(tmp, cpu_env, offsetof(CPUARMState, vfp.scratch[scratch])); |
3693 | return tmp; | |
9ee6e8bb PB |
3694 | } |
3695 | ||
dd8fbd78 | 3696 | static void neon_store_scratch(int scratch, TCGv var) |
9ee6e8bb | 3697 | { |
dd8fbd78 | 3698 | tcg_gen_st_i32(var, cpu_env, offsetof(CPUARMState, vfp.scratch[scratch])); |
7d1b0095 | 3699 | tcg_temp_free_i32(var); |
9ee6e8bb PB |
3700 | } |
3701 | ||
dd8fbd78 | 3702 | static inline TCGv neon_get_scalar(int size, int reg) |
9ee6e8bb | 3703 | { |
dd8fbd78 | 3704 | TCGv tmp; |
9ee6e8bb | 3705 | if (size == 1) { |
0fad6efc PM |
3706 | tmp = neon_load_reg(reg & 7, reg >> 4); |
3707 | if (reg & 8) { | |
dd8fbd78 | 3708 | gen_neon_dup_high16(tmp); |
0fad6efc PM |
3709 | } else { |
3710 | gen_neon_dup_low16(tmp); | |
dd8fbd78 | 3711 | } |
0fad6efc PM |
3712 | } else { |
3713 | tmp = neon_load_reg(reg & 15, reg >> 4); | |
9ee6e8bb | 3714 | } |
dd8fbd78 | 3715 | return tmp; |
9ee6e8bb PB |
3716 | } |
3717 | ||
02acedf9 | 3718 | static int gen_neon_unzip(int rd, int rm, int size, int q) |
19457615 | 3719 | { |
02acedf9 | 3720 | TCGv tmp, tmp2; |
600b828c | 3721 | if (!q && size == 2) { |
02acedf9 PM |
3722 | return 1; |
3723 | } | |
3724 | tmp = tcg_const_i32(rd); | |
3725 | tmp2 = tcg_const_i32(rm); | |
3726 | if (q) { | |
3727 | switch (size) { | |
3728 | case 0: | |
02da0b2d | 3729 | gen_helper_neon_qunzip8(cpu_env, tmp, tmp2); |
02acedf9 PM |
3730 | break; |
3731 | case 1: | |
02da0b2d | 3732 | gen_helper_neon_qunzip16(cpu_env, tmp, tmp2); |
02acedf9 PM |
3733 | break; |
3734 | case 2: | |
02da0b2d | 3735 | gen_helper_neon_qunzip32(cpu_env, tmp, tmp2); |
02acedf9 PM |
3736 | break; |
3737 | default: | |
3738 | abort(); | |
3739 | } | |
3740 | } else { | |
3741 | switch (size) { | |
3742 | case 0: | |
02da0b2d | 3743 | gen_helper_neon_unzip8(cpu_env, tmp, tmp2); |
02acedf9 PM |
3744 | break; |
3745 | case 1: | |
02da0b2d | 3746 | gen_helper_neon_unzip16(cpu_env, tmp, tmp2); |
02acedf9 PM |
3747 | break; |
3748 | default: | |
3749 | abort(); | |
3750 | } | |
3751 | } | |
3752 | tcg_temp_free_i32(tmp); | |
3753 | tcg_temp_free_i32(tmp2); | |
3754 | return 0; | |
19457615 FN |
3755 | } |
3756 | ||
d68a6f3a | 3757 | static int gen_neon_zip(int rd, int rm, int size, int q) |
19457615 FN |
3758 | { |
3759 | TCGv tmp, tmp2; | |
600b828c | 3760 | if (!q && size == 2) { |
d68a6f3a PM |
3761 | return 1; |
3762 | } | |
3763 | tmp = tcg_const_i32(rd); | |
3764 | tmp2 = tcg_const_i32(rm); | |
3765 | if (q) { | |
3766 | switch (size) { | |
3767 | case 0: | |
02da0b2d | 3768 | gen_helper_neon_qzip8(cpu_env, tmp, tmp2); |
d68a6f3a PM |
3769 | break; |
3770 | case 1: | |
02da0b2d | 3771 | gen_helper_neon_qzip16(cpu_env, tmp, tmp2); |
d68a6f3a PM |
3772 | break; |
3773 | case 2: | |
02da0b2d | 3774 | gen_helper_neon_qzip32(cpu_env, tmp, tmp2); |
d68a6f3a PM |
3775 | break; |
3776 | default: | |
3777 | abort(); | |
3778 | } | |
3779 | } else { | |
3780 | switch (size) { | |
3781 | case 0: | |
02da0b2d | 3782 | gen_helper_neon_zip8(cpu_env, tmp, tmp2); |
d68a6f3a PM |
3783 | break; |
3784 | case 1: | |
02da0b2d | 3785 | gen_helper_neon_zip16(cpu_env, tmp, tmp2); |
d68a6f3a PM |
3786 | break; |
3787 | default: | |
3788 | abort(); | |
3789 | } | |
3790 | } | |
3791 | tcg_temp_free_i32(tmp); | |
3792 | tcg_temp_free_i32(tmp2); | |
3793 | return 0; | |
19457615 FN |
3794 | } |
3795 | ||
19457615 FN |
3796 | static void gen_neon_trn_u8(TCGv t0, TCGv t1) |
3797 | { | |
3798 | TCGv rd, tmp; | |
3799 | ||
7d1b0095 PM |
3800 | rd = tcg_temp_new_i32(); |
3801 | tmp = tcg_temp_new_i32(); | |
19457615 FN |
3802 | |
3803 | tcg_gen_shli_i32(rd, t0, 8); | |
3804 | tcg_gen_andi_i32(rd, rd, 0xff00ff00); | |
3805 | tcg_gen_andi_i32(tmp, t1, 0x00ff00ff); | |
3806 | tcg_gen_or_i32(rd, rd, tmp); | |
3807 | ||
3808 | tcg_gen_shri_i32(t1, t1, 8); | |
3809 | tcg_gen_andi_i32(t1, t1, 0x00ff00ff); | |
3810 | tcg_gen_andi_i32(tmp, t0, 0xff00ff00); | |
3811 | tcg_gen_or_i32(t1, t1, tmp); | |
3812 | tcg_gen_mov_i32(t0, rd); | |
3813 | ||
7d1b0095 PM |
3814 | tcg_temp_free_i32(tmp); |
3815 | tcg_temp_free_i32(rd); | |
19457615 FN |
3816 | } |
3817 | ||
3818 | static void gen_neon_trn_u16(TCGv t0, TCGv t1) | |
3819 | { | |
3820 | TCGv rd, tmp; | |
3821 | ||
7d1b0095 PM |
3822 | rd = tcg_temp_new_i32(); |
3823 | tmp = tcg_temp_new_i32(); | |
19457615 FN |
3824 | |
3825 | tcg_gen_shli_i32(rd, t0, 16); | |
3826 | tcg_gen_andi_i32(tmp, t1, 0xffff); | |
3827 | tcg_gen_or_i32(rd, rd, tmp); | |
3828 | tcg_gen_shri_i32(t1, t1, 16); | |
3829 | tcg_gen_andi_i32(tmp, t0, 0xffff0000); | |
3830 | tcg_gen_or_i32(t1, t1, tmp); | |
3831 | tcg_gen_mov_i32(t0, rd); | |
3832 | ||
7d1b0095 PM |
3833 | tcg_temp_free_i32(tmp); |
3834 | tcg_temp_free_i32(rd); | |
19457615 FN |
3835 | } |
3836 | ||
3837 | ||
9ee6e8bb PB |
3838 | static struct { |
3839 | int nregs; | |
3840 | int interleave; | |
3841 | int spacing; | |
3842 | } neon_ls_element_type[11] = { | |
3843 | {4, 4, 1}, | |
3844 | {4, 4, 2}, | |
3845 | {4, 1, 1}, | |
3846 | {4, 2, 1}, | |
3847 | {3, 3, 1}, | |
3848 | {3, 3, 2}, | |
3849 | {3, 1, 1}, | |
3850 | {1, 1, 1}, | |
3851 | {2, 2, 1}, | |
3852 | {2, 2, 2}, | |
3853 | {2, 1, 1} | |
3854 | }; | |
3855 | ||
3856 | /* Translate a NEON load/store element instruction. Return nonzero if the | |
3857 | instruction is invalid. */ | |
3858 | static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn) | |
3859 | { | |
3860 | int rd, rn, rm; | |
3861 | int op; | |
3862 | int nregs; | |
3863 | int interleave; | |
84496233 | 3864 | int spacing; |
9ee6e8bb PB |
3865 | int stride; |
3866 | int size; | |
3867 | int reg; | |
3868 | int pass; | |
3869 | int load; | |
3870 | int shift; | |
9ee6e8bb | 3871 | int n; |
1b2b1e54 | 3872 | TCGv addr; |
b0109805 | 3873 | TCGv tmp; |
8f8e3aa4 | 3874 | TCGv tmp2; |
84496233 | 3875 | TCGv_i64 tmp64; |
9ee6e8bb | 3876 | |
5df8bac1 | 3877 | if (!s->vfp_enabled) |
9ee6e8bb PB |
3878 | return 1; |
3879 | VFP_DREG_D(rd, insn); | |
3880 | rn = (insn >> 16) & 0xf; | |
3881 | rm = insn & 0xf; | |
3882 | load = (insn & (1 << 21)) != 0; | |
3883 | if ((insn & (1 << 23)) == 0) { | |
3884 | /* Load store all elements. */ | |
3885 | op = (insn >> 8) & 0xf; | |
3886 | size = (insn >> 6) & 3; | |
84496233 | 3887 | if (op > 10) |
9ee6e8bb | 3888 | return 1; |
f2dd89d0 PM |
3889 | /* Catch UNDEF cases for bad values of align field */ |
3890 | switch (op & 0xc) { | |
3891 | case 4: | |
3892 | if (((insn >> 5) & 1) == 1) { | |
3893 | return 1; | |
3894 | } | |
3895 | break; | |
3896 | case 8: | |
3897 | if (((insn >> 4) & 3) == 3) { | |
3898 | return 1; | |
3899 | } | |
3900 | break; | |
3901 | default: | |
3902 | break; | |
3903 | } | |
9ee6e8bb PB |
3904 | nregs = neon_ls_element_type[op].nregs; |
3905 | interleave = neon_ls_element_type[op].interleave; | |
84496233 JR |
3906 | spacing = neon_ls_element_type[op].spacing; |
3907 | if (size == 3 && (interleave | spacing) != 1) | |
3908 | return 1; | |
e318a60b | 3909 | addr = tcg_temp_new_i32(); |
dcc65026 | 3910 | load_reg_var(s, addr, rn); |
9ee6e8bb PB |
3911 | stride = (1 << size) * interleave; |
3912 | for (reg = 0; reg < nregs; reg++) { | |
3913 | if (interleave > 2 || (interleave == 2 && nregs == 2)) { | |
dcc65026 AJ |
3914 | load_reg_var(s, addr, rn); |
3915 | tcg_gen_addi_i32(addr, addr, (1 << size) * reg); | |
9ee6e8bb | 3916 | } else if (interleave == 2 && nregs == 4 && reg == 2) { |
dcc65026 AJ |
3917 | load_reg_var(s, addr, rn); |
3918 | tcg_gen_addi_i32(addr, addr, 1 << size); | |
9ee6e8bb | 3919 | } |
84496233 JR |
3920 | if (size == 3) { |
3921 | if (load) { | |
3922 | tmp64 = gen_ld64(addr, IS_USER(s)); | |
3923 | neon_store_reg64(tmp64, rd); | |
3924 | tcg_temp_free_i64(tmp64); | |
3925 | } else { | |
3926 | tmp64 = tcg_temp_new_i64(); | |
3927 | neon_load_reg64(tmp64, rd); | |
3928 | gen_st64(tmp64, addr, IS_USER(s)); | |
3929 | } | |
3930 | tcg_gen_addi_i32(addr, addr, stride); | |
3931 | } else { | |
3932 | for (pass = 0; pass < 2; pass++) { | |
3933 | if (size == 2) { | |
3934 | if (load) { | |
3935 | tmp = gen_ld32(addr, IS_USER(s)); | |
3936 | neon_store_reg(rd, pass, tmp); | |
3937 | } else { | |
3938 | tmp = neon_load_reg(rd, pass); | |
3939 | gen_st32(tmp, addr, IS_USER(s)); | |
3940 | } | |
1b2b1e54 | 3941 | tcg_gen_addi_i32(addr, addr, stride); |
84496233 JR |
3942 | } else if (size == 1) { |
3943 | if (load) { | |
3944 | tmp = gen_ld16u(addr, IS_USER(s)); | |
3945 | tcg_gen_addi_i32(addr, addr, stride); | |
3946 | tmp2 = gen_ld16u(addr, IS_USER(s)); | |
3947 | tcg_gen_addi_i32(addr, addr, stride); | |
41ba8341 PB |
3948 | tcg_gen_shli_i32(tmp2, tmp2, 16); |
3949 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
7d1b0095 | 3950 | tcg_temp_free_i32(tmp2); |
84496233 JR |
3951 | neon_store_reg(rd, pass, tmp); |
3952 | } else { | |
3953 | tmp = neon_load_reg(rd, pass); | |
7d1b0095 | 3954 | tmp2 = tcg_temp_new_i32(); |
84496233 JR |
3955 | tcg_gen_shri_i32(tmp2, tmp, 16); |
3956 | gen_st16(tmp, addr, IS_USER(s)); | |
3957 | tcg_gen_addi_i32(addr, addr, stride); | |
3958 | gen_st16(tmp2, addr, IS_USER(s)); | |
1b2b1e54 | 3959 | tcg_gen_addi_i32(addr, addr, stride); |
9ee6e8bb | 3960 | } |
84496233 JR |
3961 | } else /* size == 0 */ { |
3962 | if (load) { | |
3963 | TCGV_UNUSED(tmp2); | |
3964 | for (n = 0; n < 4; n++) { | |
3965 | tmp = gen_ld8u(addr, IS_USER(s)); | |
3966 | tcg_gen_addi_i32(addr, addr, stride); | |
3967 | if (n == 0) { | |
3968 | tmp2 = tmp; | |
3969 | } else { | |
41ba8341 PB |
3970 | tcg_gen_shli_i32(tmp, tmp, n * 8); |
3971 | tcg_gen_or_i32(tmp2, tmp2, tmp); | |
7d1b0095 | 3972 | tcg_temp_free_i32(tmp); |
84496233 | 3973 | } |
9ee6e8bb | 3974 | } |
84496233 JR |
3975 | neon_store_reg(rd, pass, tmp2); |
3976 | } else { | |
3977 | tmp2 = neon_load_reg(rd, pass); | |
3978 | for (n = 0; n < 4; n++) { | |
7d1b0095 | 3979 | tmp = tcg_temp_new_i32(); |
84496233 JR |
3980 | if (n == 0) { |
3981 | tcg_gen_mov_i32(tmp, tmp2); | |
3982 | } else { | |
3983 | tcg_gen_shri_i32(tmp, tmp2, n * 8); | |
3984 | } | |
3985 | gen_st8(tmp, addr, IS_USER(s)); | |
3986 | tcg_gen_addi_i32(addr, addr, stride); | |
3987 | } | |
7d1b0095 | 3988 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
3989 | } |
3990 | } | |
3991 | } | |
3992 | } | |
84496233 | 3993 | rd += spacing; |
9ee6e8bb | 3994 | } |
e318a60b | 3995 | tcg_temp_free_i32(addr); |
9ee6e8bb PB |
3996 | stride = nregs * 8; |
3997 | } else { | |
3998 | size = (insn >> 10) & 3; | |
3999 | if (size == 3) { | |
4000 | /* Load single element to all lanes. */ | |
8e18cde3 PM |
4001 | int a = (insn >> 4) & 1; |
4002 | if (!load) { | |
9ee6e8bb | 4003 | return 1; |
8e18cde3 | 4004 | } |
9ee6e8bb PB |
4005 | size = (insn >> 6) & 3; |
4006 | nregs = ((insn >> 8) & 3) + 1; | |
8e18cde3 PM |
4007 | |
4008 | if (size == 3) { | |
4009 | if (nregs != 4 || a == 0) { | |
9ee6e8bb | 4010 | return 1; |
99c475ab | 4011 | } |
8e18cde3 PM |
4012 | /* For VLD4 size==3 a == 1 means 32 bits at 16 byte alignment */ |
4013 | size = 2; | |
4014 | } | |
4015 | if (nregs == 1 && a == 1 && size == 0) { | |
4016 | return 1; | |
4017 | } | |
4018 | if (nregs == 3 && a == 1) { | |
4019 | return 1; | |
4020 | } | |
e318a60b | 4021 | addr = tcg_temp_new_i32(); |
8e18cde3 PM |
4022 | load_reg_var(s, addr, rn); |
4023 | if (nregs == 1) { | |
4024 | /* VLD1 to all lanes: bit 5 indicates how many Dregs to write */ | |
4025 | tmp = gen_load_and_replicate(s, addr, size); | |
4026 | tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd, 0)); | |
4027 | tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd, 1)); | |
4028 | if (insn & (1 << 5)) { | |
4029 | tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd + 1, 0)); | |
4030 | tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd + 1, 1)); | |
4031 | } | |
4032 | tcg_temp_free_i32(tmp); | |
4033 | } else { | |
4034 | /* VLD2/3/4 to all lanes: bit 5 indicates register stride */ | |
4035 | stride = (insn & (1 << 5)) ? 2 : 1; | |
4036 | for (reg = 0; reg < nregs; reg++) { | |
4037 | tmp = gen_load_and_replicate(s, addr, size); | |
4038 | tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd, 0)); | |
4039 | tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd, 1)); | |
4040 | tcg_temp_free_i32(tmp); | |
4041 | tcg_gen_addi_i32(addr, addr, 1 << size); | |
4042 | rd += stride; | |
4043 | } | |
9ee6e8bb | 4044 | } |
e318a60b | 4045 | tcg_temp_free_i32(addr); |
9ee6e8bb PB |
4046 | stride = (1 << size) * nregs; |
4047 | } else { | |
4048 | /* Single element. */ | |
93262b16 | 4049 | int idx = (insn >> 4) & 0xf; |
9ee6e8bb PB |
4050 | pass = (insn >> 7) & 1; |
4051 | switch (size) { | |
4052 | case 0: | |
4053 | shift = ((insn >> 5) & 3) * 8; | |
9ee6e8bb PB |
4054 | stride = 1; |
4055 | break; | |
4056 | case 1: | |
4057 | shift = ((insn >> 6) & 1) * 16; | |
9ee6e8bb PB |
4058 | stride = (insn & (1 << 5)) ? 2 : 1; |
4059 | break; | |
4060 | case 2: | |
4061 | shift = 0; | |
9ee6e8bb PB |
4062 | stride = (insn & (1 << 6)) ? 2 : 1; |
4063 | break; | |
4064 | default: | |
4065 | abort(); | |
4066 | } | |
4067 | nregs = ((insn >> 8) & 3) + 1; | |
93262b16 PM |
4068 | /* Catch the UNDEF cases. This is unavoidably a bit messy. */ |
4069 | switch (nregs) { | |
4070 | case 1: | |
4071 | if (((idx & (1 << size)) != 0) || | |
4072 | (size == 2 && ((idx & 3) == 1 || (idx & 3) == 2))) { | |
4073 | return 1; | |
4074 | } | |
4075 | break; | |
4076 | case 3: | |
4077 | if ((idx & 1) != 0) { | |
4078 | return 1; | |
4079 | } | |
4080 | /* fall through */ | |
4081 | case 2: | |
4082 | if (size == 2 && (idx & 2) != 0) { | |
4083 | return 1; | |
4084 | } | |
4085 | break; | |
4086 | case 4: | |
4087 | if ((size == 2) && ((idx & 3) == 3)) { | |
4088 | return 1; | |
4089 | } | |
4090 | break; | |
4091 | default: | |
4092 | abort(); | |
4093 | } | |
4094 | if ((rd + stride * (nregs - 1)) > 31) { | |
4095 | /* Attempts to write off the end of the register file | |
4096 | * are UNPREDICTABLE; we choose to UNDEF because otherwise | |
4097 | * the neon_load_reg() would write off the end of the array. | |
4098 | */ | |
4099 | return 1; | |
4100 | } | |
e318a60b | 4101 | addr = tcg_temp_new_i32(); |
dcc65026 | 4102 | load_reg_var(s, addr, rn); |
9ee6e8bb PB |
4103 | for (reg = 0; reg < nregs; reg++) { |
4104 | if (load) { | |
9ee6e8bb PB |
4105 | switch (size) { |
4106 | case 0: | |
1b2b1e54 | 4107 | tmp = gen_ld8u(addr, IS_USER(s)); |
9ee6e8bb PB |
4108 | break; |
4109 | case 1: | |
1b2b1e54 | 4110 | tmp = gen_ld16u(addr, IS_USER(s)); |
9ee6e8bb PB |
4111 | break; |
4112 | case 2: | |
1b2b1e54 | 4113 | tmp = gen_ld32(addr, IS_USER(s)); |
9ee6e8bb | 4114 | break; |
a50f5b91 PB |
4115 | default: /* Avoid compiler warnings. */ |
4116 | abort(); | |
9ee6e8bb PB |
4117 | } |
4118 | if (size != 2) { | |
8f8e3aa4 PB |
4119 | tmp2 = neon_load_reg(rd, pass); |
4120 | gen_bfi(tmp, tmp2, tmp, shift, size ? 0xffff : 0xff); | |
7d1b0095 | 4121 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 4122 | } |
8f8e3aa4 | 4123 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb | 4124 | } else { /* Store */ |
8f8e3aa4 PB |
4125 | tmp = neon_load_reg(rd, pass); |
4126 | if (shift) | |
4127 | tcg_gen_shri_i32(tmp, tmp, shift); | |
9ee6e8bb PB |
4128 | switch (size) { |
4129 | case 0: | |
1b2b1e54 | 4130 | gen_st8(tmp, addr, IS_USER(s)); |
9ee6e8bb PB |
4131 | break; |
4132 | case 1: | |
1b2b1e54 | 4133 | gen_st16(tmp, addr, IS_USER(s)); |
9ee6e8bb PB |
4134 | break; |
4135 | case 2: | |
1b2b1e54 | 4136 | gen_st32(tmp, addr, IS_USER(s)); |
9ee6e8bb | 4137 | break; |
99c475ab | 4138 | } |
99c475ab | 4139 | } |
9ee6e8bb | 4140 | rd += stride; |
1b2b1e54 | 4141 | tcg_gen_addi_i32(addr, addr, 1 << size); |
99c475ab | 4142 | } |
e318a60b | 4143 | tcg_temp_free_i32(addr); |
9ee6e8bb | 4144 | stride = nregs * (1 << size); |
99c475ab | 4145 | } |
9ee6e8bb PB |
4146 | } |
4147 | if (rm != 15) { | |
b26eefb6 PB |
4148 | TCGv base; |
4149 | ||
4150 | base = load_reg(s, rn); | |
9ee6e8bb | 4151 | if (rm == 13) { |
b26eefb6 | 4152 | tcg_gen_addi_i32(base, base, stride); |
9ee6e8bb | 4153 | } else { |
b26eefb6 PB |
4154 | TCGv index; |
4155 | index = load_reg(s, rm); | |
4156 | tcg_gen_add_i32(base, base, index); | |
7d1b0095 | 4157 | tcg_temp_free_i32(index); |
9ee6e8bb | 4158 | } |
b26eefb6 | 4159 | store_reg(s, rn, base); |
9ee6e8bb PB |
4160 | } |
4161 | return 0; | |
4162 | } | |
3b46e624 | 4163 | |
8f8e3aa4 PB |
4164 | /* Bitwise select. dest = c ? t : f. Clobbers T and F. */ |
4165 | static void gen_neon_bsl(TCGv dest, TCGv t, TCGv f, TCGv c) | |
4166 | { | |
4167 | tcg_gen_and_i32(t, t, c); | |
f669df27 | 4168 | tcg_gen_andc_i32(f, f, c); |
8f8e3aa4 PB |
4169 | tcg_gen_or_i32(dest, t, f); |
4170 | } | |
4171 | ||
a7812ae4 | 4172 | static inline void gen_neon_narrow(int size, TCGv dest, TCGv_i64 src) |
ad69471c PB |
4173 | { |
4174 | switch (size) { | |
4175 | case 0: gen_helper_neon_narrow_u8(dest, src); break; | |
4176 | case 1: gen_helper_neon_narrow_u16(dest, src); break; | |
4177 | case 2: tcg_gen_trunc_i64_i32(dest, src); break; | |
4178 | default: abort(); | |
4179 | } | |
4180 | } | |
4181 | ||
a7812ae4 | 4182 | static inline void gen_neon_narrow_sats(int size, TCGv dest, TCGv_i64 src) |
ad69471c PB |
4183 | { |
4184 | switch (size) { | |
02da0b2d PM |
4185 | case 0: gen_helper_neon_narrow_sat_s8(dest, cpu_env, src); break; |
4186 | case 1: gen_helper_neon_narrow_sat_s16(dest, cpu_env, src); break; | |
4187 | case 2: gen_helper_neon_narrow_sat_s32(dest, cpu_env, src); break; | |
ad69471c PB |
4188 | default: abort(); |
4189 | } | |
4190 | } | |
4191 | ||
a7812ae4 | 4192 | static inline void gen_neon_narrow_satu(int size, TCGv dest, TCGv_i64 src) |
ad69471c PB |
4193 | { |
4194 | switch (size) { | |
02da0b2d PM |
4195 | case 0: gen_helper_neon_narrow_sat_u8(dest, cpu_env, src); break; |
4196 | case 1: gen_helper_neon_narrow_sat_u16(dest, cpu_env, src); break; | |
4197 | case 2: gen_helper_neon_narrow_sat_u32(dest, cpu_env, src); break; | |
ad69471c PB |
4198 | default: abort(); |
4199 | } | |
4200 | } | |
4201 | ||
af1bbf30 JR |
4202 | static inline void gen_neon_unarrow_sats(int size, TCGv dest, TCGv_i64 src) |
4203 | { | |
4204 | switch (size) { | |
02da0b2d PM |
4205 | case 0: gen_helper_neon_unarrow_sat8(dest, cpu_env, src); break; |
4206 | case 1: gen_helper_neon_unarrow_sat16(dest, cpu_env, src); break; | |
4207 | case 2: gen_helper_neon_unarrow_sat32(dest, cpu_env, src); break; | |
af1bbf30 JR |
4208 | default: abort(); |
4209 | } | |
4210 | } | |
4211 | ||
ad69471c PB |
4212 | static inline void gen_neon_shift_narrow(int size, TCGv var, TCGv shift, |
4213 | int q, int u) | |
4214 | { | |
4215 | if (q) { | |
4216 | if (u) { | |
4217 | switch (size) { | |
4218 | case 1: gen_helper_neon_rshl_u16(var, var, shift); break; | |
4219 | case 2: gen_helper_neon_rshl_u32(var, var, shift); break; | |
4220 | default: abort(); | |
4221 | } | |
4222 | } else { | |
4223 | switch (size) { | |
4224 | case 1: gen_helper_neon_rshl_s16(var, var, shift); break; | |
4225 | case 2: gen_helper_neon_rshl_s32(var, var, shift); break; | |
4226 | default: abort(); | |
4227 | } | |
4228 | } | |
4229 | } else { | |
4230 | if (u) { | |
4231 | switch (size) { | |
b408a9b0 CL |
4232 | case 1: gen_helper_neon_shl_u16(var, var, shift); break; |
4233 | case 2: gen_helper_neon_shl_u32(var, var, shift); break; | |
ad69471c PB |
4234 | default: abort(); |
4235 | } | |
4236 | } else { | |
4237 | switch (size) { | |
4238 | case 1: gen_helper_neon_shl_s16(var, var, shift); break; | |
4239 | case 2: gen_helper_neon_shl_s32(var, var, shift); break; | |
4240 | default: abort(); | |
4241 | } | |
4242 | } | |
4243 | } | |
4244 | } | |
4245 | ||
a7812ae4 | 4246 | static inline void gen_neon_widen(TCGv_i64 dest, TCGv src, int size, int u) |
ad69471c PB |
4247 | { |
4248 | if (u) { | |
4249 | switch (size) { | |
4250 | case 0: gen_helper_neon_widen_u8(dest, src); break; | |
4251 | case 1: gen_helper_neon_widen_u16(dest, src); break; | |
4252 | case 2: tcg_gen_extu_i32_i64(dest, src); break; | |
4253 | default: abort(); | |
4254 | } | |
4255 | } else { | |
4256 | switch (size) { | |
4257 | case 0: gen_helper_neon_widen_s8(dest, src); break; | |
4258 | case 1: gen_helper_neon_widen_s16(dest, src); break; | |
4259 | case 2: tcg_gen_ext_i32_i64(dest, src); break; | |
4260 | default: abort(); | |
4261 | } | |
4262 | } | |
7d1b0095 | 4263 | tcg_temp_free_i32(src); |
ad69471c PB |
4264 | } |
4265 | ||
4266 | static inline void gen_neon_addl(int size) | |
4267 | { | |
4268 | switch (size) { | |
4269 | case 0: gen_helper_neon_addl_u16(CPU_V001); break; | |
4270 | case 1: gen_helper_neon_addl_u32(CPU_V001); break; | |
4271 | case 2: tcg_gen_add_i64(CPU_V001); break; | |
4272 | default: abort(); | |
4273 | } | |
4274 | } | |
4275 | ||
4276 | static inline void gen_neon_subl(int size) | |
4277 | { | |
4278 | switch (size) { | |
4279 | case 0: gen_helper_neon_subl_u16(CPU_V001); break; | |
4280 | case 1: gen_helper_neon_subl_u32(CPU_V001); break; | |
4281 | case 2: tcg_gen_sub_i64(CPU_V001); break; | |
4282 | default: abort(); | |
4283 | } | |
4284 | } | |
4285 | ||
a7812ae4 | 4286 | static inline void gen_neon_negl(TCGv_i64 var, int size) |
ad69471c PB |
4287 | { |
4288 | switch (size) { | |
4289 | case 0: gen_helper_neon_negl_u16(var, var); break; | |
4290 | case 1: gen_helper_neon_negl_u32(var, var); break; | |
4291 | case 2: gen_helper_neon_negl_u64(var, var); break; | |
4292 | default: abort(); | |
4293 | } | |
4294 | } | |
4295 | ||
a7812ae4 | 4296 | static inline void gen_neon_addl_saturate(TCGv_i64 op0, TCGv_i64 op1, int size) |
ad69471c PB |
4297 | { |
4298 | switch (size) { | |
02da0b2d PM |
4299 | case 1: gen_helper_neon_addl_saturate_s32(op0, cpu_env, op0, op1); break; |
4300 | case 2: gen_helper_neon_addl_saturate_s64(op0, cpu_env, op0, op1); break; | |
ad69471c PB |
4301 | default: abort(); |
4302 | } | |
4303 | } | |
4304 | ||
a7812ae4 | 4305 | static inline void gen_neon_mull(TCGv_i64 dest, TCGv a, TCGv b, int size, int u) |
ad69471c | 4306 | { |
a7812ae4 | 4307 | TCGv_i64 tmp; |
ad69471c PB |
4308 | |
4309 | switch ((size << 1) | u) { | |
4310 | case 0: gen_helper_neon_mull_s8(dest, a, b); break; | |
4311 | case 1: gen_helper_neon_mull_u8(dest, a, b); break; | |
4312 | case 2: gen_helper_neon_mull_s16(dest, a, b); break; | |
4313 | case 3: gen_helper_neon_mull_u16(dest, a, b); break; | |
4314 | case 4: | |
4315 | tmp = gen_muls_i64_i32(a, b); | |
4316 | tcg_gen_mov_i64(dest, tmp); | |
7d2aabe2 | 4317 | tcg_temp_free_i64(tmp); |
ad69471c PB |
4318 | break; |
4319 | case 5: | |
4320 | tmp = gen_mulu_i64_i32(a, b); | |
4321 | tcg_gen_mov_i64(dest, tmp); | |
7d2aabe2 | 4322 | tcg_temp_free_i64(tmp); |
ad69471c PB |
4323 | break; |
4324 | default: abort(); | |
4325 | } | |
c6067f04 CL |
4326 | |
4327 | /* gen_helper_neon_mull_[su]{8|16} do not free their parameters. | |
4328 | Don't forget to clean them now. */ | |
4329 | if (size < 2) { | |
7d1b0095 PM |
4330 | tcg_temp_free_i32(a); |
4331 | tcg_temp_free_i32(b); | |
c6067f04 | 4332 | } |
ad69471c PB |
4333 | } |
4334 | ||
c33171c7 PM |
4335 | static void gen_neon_narrow_op(int op, int u, int size, TCGv dest, TCGv_i64 src) |
4336 | { | |
4337 | if (op) { | |
4338 | if (u) { | |
4339 | gen_neon_unarrow_sats(size, dest, src); | |
4340 | } else { | |
4341 | gen_neon_narrow(size, dest, src); | |
4342 | } | |
4343 | } else { | |
4344 | if (u) { | |
4345 | gen_neon_narrow_satu(size, dest, src); | |
4346 | } else { | |
4347 | gen_neon_narrow_sats(size, dest, src); | |
4348 | } | |
4349 | } | |
4350 | } | |
4351 | ||
62698be3 PM |
4352 | /* Symbolic constants for op fields for Neon 3-register same-length. |
4353 | * The values correspond to bits [11:8,4]; see the ARM ARM DDI0406B | |
4354 | * table A7-9. | |
4355 | */ | |
4356 | #define NEON_3R_VHADD 0 | |
4357 | #define NEON_3R_VQADD 1 | |
4358 | #define NEON_3R_VRHADD 2 | |
4359 | #define NEON_3R_LOGIC 3 /* VAND,VBIC,VORR,VMOV,VORN,VEOR,VBIF,VBIT,VBSL */ | |
4360 | #define NEON_3R_VHSUB 4 | |
4361 | #define NEON_3R_VQSUB 5 | |
4362 | #define NEON_3R_VCGT 6 | |
4363 | #define NEON_3R_VCGE 7 | |
4364 | #define NEON_3R_VSHL 8 | |
4365 | #define NEON_3R_VQSHL 9 | |
4366 | #define NEON_3R_VRSHL 10 | |
4367 | #define NEON_3R_VQRSHL 11 | |
4368 | #define NEON_3R_VMAX 12 | |
4369 | #define NEON_3R_VMIN 13 | |
4370 | #define NEON_3R_VABD 14 | |
4371 | #define NEON_3R_VABA 15 | |
4372 | #define NEON_3R_VADD_VSUB 16 | |
4373 | #define NEON_3R_VTST_VCEQ 17 | |
4374 | #define NEON_3R_VML 18 /* VMLA, VMLAL, VMLS, VMLSL */ | |
4375 | #define NEON_3R_VMUL 19 | |
4376 | #define NEON_3R_VPMAX 20 | |
4377 | #define NEON_3R_VPMIN 21 | |
4378 | #define NEON_3R_VQDMULH_VQRDMULH 22 | |
4379 | #define NEON_3R_VPADD 23 | |
4380 | #define NEON_3R_FLOAT_ARITH 26 /* float VADD, VSUB, VPADD, VABD */ | |
4381 | #define NEON_3R_FLOAT_MULTIPLY 27 /* float VMLA, VMLS, VMUL */ | |
4382 | #define NEON_3R_FLOAT_CMP 28 /* float VCEQ, VCGE, VCGT */ | |
4383 | #define NEON_3R_FLOAT_ACMP 29 /* float VACGE, VACGT, VACLE, VACLT */ | |
4384 | #define NEON_3R_FLOAT_MINMAX 30 /* float VMIN, VMAX */ | |
4385 | #define NEON_3R_VRECPS_VRSQRTS 31 /* float VRECPS, VRSQRTS */ | |
4386 | ||
4387 | static const uint8_t neon_3r_sizes[] = { | |
4388 | [NEON_3R_VHADD] = 0x7, | |
4389 | [NEON_3R_VQADD] = 0xf, | |
4390 | [NEON_3R_VRHADD] = 0x7, | |
4391 | [NEON_3R_LOGIC] = 0xf, /* size field encodes op type */ | |
4392 | [NEON_3R_VHSUB] = 0x7, | |
4393 | [NEON_3R_VQSUB] = 0xf, | |
4394 | [NEON_3R_VCGT] = 0x7, | |
4395 | [NEON_3R_VCGE] = 0x7, | |
4396 | [NEON_3R_VSHL] = 0xf, | |
4397 | [NEON_3R_VQSHL] = 0xf, | |
4398 | [NEON_3R_VRSHL] = 0xf, | |
4399 | [NEON_3R_VQRSHL] = 0xf, | |
4400 | [NEON_3R_VMAX] = 0x7, | |
4401 | [NEON_3R_VMIN] = 0x7, | |
4402 | [NEON_3R_VABD] = 0x7, | |
4403 | [NEON_3R_VABA] = 0x7, | |
4404 | [NEON_3R_VADD_VSUB] = 0xf, | |
4405 | [NEON_3R_VTST_VCEQ] = 0x7, | |
4406 | [NEON_3R_VML] = 0x7, | |
4407 | [NEON_3R_VMUL] = 0x7, | |
4408 | [NEON_3R_VPMAX] = 0x7, | |
4409 | [NEON_3R_VPMIN] = 0x7, | |
4410 | [NEON_3R_VQDMULH_VQRDMULH] = 0x6, | |
4411 | [NEON_3R_VPADD] = 0x7, | |
4412 | [NEON_3R_FLOAT_ARITH] = 0x5, /* size bit 1 encodes op */ | |
4413 | [NEON_3R_FLOAT_MULTIPLY] = 0x5, /* size bit 1 encodes op */ | |
4414 | [NEON_3R_FLOAT_CMP] = 0x5, /* size bit 1 encodes op */ | |
4415 | [NEON_3R_FLOAT_ACMP] = 0x5, /* size bit 1 encodes op */ | |
4416 | [NEON_3R_FLOAT_MINMAX] = 0x5, /* size bit 1 encodes op */ | |
4417 | [NEON_3R_VRECPS_VRSQRTS] = 0x5, /* size bit 1 encodes op */ | |
4418 | }; | |
4419 | ||
600b828c PM |
4420 | /* Symbolic constants for op fields for Neon 2-register miscellaneous. |
4421 | * The values correspond to bits [17:16,10:7]; see the ARM ARM DDI0406B | |
4422 | * table A7-13. | |
4423 | */ | |
4424 | #define NEON_2RM_VREV64 0 | |
4425 | #define NEON_2RM_VREV32 1 | |
4426 | #define NEON_2RM_VREV16 2 | |
4427 | #define NEON_2RM_VPADDL 4 | |
4428 | #define NEON_2RM_VPADDL_U 5 | |
4429 | #define NEON_2RM_VCLS 8 | |
4430 | #define NEON_2RM_VCLZ 9 | |
4431 | #define NEON_2RM_VCNT 10 | |
4432 | #define NEON_2RM_VMVN 11 | |
4433 | #define NEON_2RM_VPADAL 12 | |
4434 | #define NEON_2RM_VPADAL_U 13 | |
4435 | #define NEON_2RM_VQABS 14 | |
4436 | #define NEON_2RM_VQNEG 15 | |
4437 | #define NEON_2RM_VCGT0 16 | |
4438 | #define NEON_2RM_VCGE0 17 | |
4439 | #define NEON_2RM_VCEQ0 18 | |
4440 | #define NEON_2RM_VCLE0 19 | |
4441 | #define NEON_2RM_VCLT0 20 | |
4442 | #define NEON_2RM_VABS 22 | |
4443 | #define NEON_2RM_VNEG 23 | |
4444 | #define NEON_2RM_VCGT0_F 24 | |
4445 | #define NEON_2RM_VCGE0_F 25 | |
4446 | #define NEON_2RM_VCEQ0_F 26 | |
4447 | #define NEON_2RM_VCLE0_F 27 | |
4448 | #define NEON_2RM_VCLT0_F 28 | |
4449 | #define NEON_2RM_VABS_F 30 | |
4450 | #define NEON_2RM_VNEG_F 31 | |
4451 | #define NEON_2RM_VSWP 32 | |
4452 | #define NEON_2RM_VTRN 33 | |
4453 | #define NEON_2RM_VUZP 34 | |
4454 | #define NEON_2RM_VZIP 35 | |
4455 | #define NEON_2RM_VMOVN 36 /* Includes VQMOVN, VQMOVUN */ | |
4456 | #define NEON_2RM_VQMOVN 37 /* Includes VQMOVUN */ | |
4457 | #define NEON_2RM_VSHLL 38 | |
4458 | #define NEON_2RM_VCVT_F16_F32 44 | |
4459 | #define NEON_2RM_VCVT_F32_F16 46 | |
4460 | #define NEON_2RM_VRECPE 56 | |
4461 | #define NEON_2RM_VRSQRTE 57 | |
4462 | #define NEON_2RM_VRECPE_F 58 | |
4463 | #define NEON_2RM_VRSQRTE_F 59 | |
4464 | #define NEON_2RM_VCVT_FS 60 | |
4465 | #define NEON_2RM_VCVT_FU 61 | |
4466 | #define NEON_2RM_VCVT_SF 62 | |
4467 | #define NEON_2RM_VCVT_UF 63 | |
4468 | ||
4469 | static int neon_2rm_is_float_op(int op) | |
4470 | { | |
4471 | /* Return true if this neon 2reg-misc op is float-to-float */ | |
4472 | return (op == NEON_2RM_VABS_F || op == NEON_2RM_VNEG_F || | |
4473 | op >= NEON_2RM_VRECPE_F); | |
4474 | } | |
4475 | ||
4476 | /* Each entry in this array has bit n set if the insn allows | |
4477 | * size value n (otherwise it will UNDEF). Since unallocated | |
4478 | * op values will have no bits set they always UNDEF. | |
4479 | */ | |
4480 | static const uint8_t neon_2rm_sizes[] = { | |
4481 | [NEON_2RM_VREV64] = 0x7, | |
4482 | [NEON_2RM_VREV32] = 0x3, | |
4483 | [NEON_2RM_VREV16] = 0x1, | |
4484 | [NEON_2RM_VPADDL] = 0x7, | |
4485 | [NEON_2RM_VPADDL_U] = 0x7, | |
4486 | [NEON_2RM_VCLS] = 0x7, | |
4487 | [NEON_2RM_VCLZ] = 0x7, | |
4488 | [NEON_2RM_VCNT] = 0x1, | |
4489 | [NEON_2RM_VMVN] = 0x1, | |
4490 | [NEON_2RM_VPADAL] = 0x7, | |
4491 | [NEON_2RM_VPADAL_U] = 0x7, | |
4492 | [NEON_2RM_VQABS] = 0x7, | |
4493 | [NEON_2RM_VQNEG] = 0x7, | |
4494 | [NEON_2RM_VCGT0] = 0x7, | |
4495 | [NEON_2RM_VCGE0] = 0x7, | |
4496 | [NEON_2RM_VCEQ0] = 0x7, | |
4497 | [NEON_2RM_VCLE0] = 0x7, | |
4498 | [NEON_2RM_VCLT0] = 0x7, | |
4499 | [NEON_2RM_VABS] = 0x7, | |
4500 | [NEON_2RM_VNEG] = 0x7, | |
4501 | [NEON_2RM_VCGT0_F] = 0x4, | |
4502 | [NEON_2RM_VCGE0_F] = 0x4, | |
4503 | [NEON_2RM_VCEQ0_F] = 0x4, | |
4504 | [NEON_2RM_VCLE0_F] = 0x4, | |
4505 | [NEON_2RM_VCLT0_F] = 0x4, | |
4506 | [NEON_2RM_VABS_F] = 0x4, | |
4507 | [NEON_2RM_VNEG_F] = 0x4, | |
4508 | [NEON_2RM_VSWP] = 0x1, | |
4509 | [NEON_2RM_VTRN] = 0x7, | |
4510 | [NEON_2RM_VUZP] = 0x7, | |
4511 | [NEON_2RM_VZIP] = 0x7, | |
4512 | [NEON_2RM_VMOVN] = 0x7, | |
4513 | [NEON_2RM_VQMOVN] = 0x7, | |
4514 | [NEON_2RM_VSHLL] = 0x7, | |
4515 | [NEON_2RM_VCVT_F16_F32] = 0x2, | |
4516 | [NEON_2RM_VCVT_F32_F16] = 0x2, | |
4517 | [NEON_2RM_VRECPE] = 0x4, | |
4518 | [NEON_2RM_VRSQRTE] = 0x4, | |
4519 | [NEON_2RM_VRECPE_F] = 0x4, | |
4520 | [NEON_2RM_VRSQRTE_F] = 0x4, | |
4521 | [NEON_2RM_VCVT_FS] = 0x4, | |
4522 | [NEON_2RM_VCVT_FU] = 0x4, | |
4523 | [NEON_2RM_VCVT_SF] = 0x4, | |
4524 | [NEON_2RM_VCVT_UF] = 0x4, | |
4525 | }; | |
4526 | ||
9ee6e8bb PB |
4527 | /* Translate a NEON data processing instruction. Return nonzero if the |
4528 | instruction is invalid. | |
ad69471c PB |
4529 | We process data in a mixture of 32-bit and 64-bit chunks. |
4530 | Mostly we use 32-bit chunks so we can use normal scalar instructions. */ | |
2c0262af | 4531 | |
9ee6e8bb PB |
4532 | static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) |
4533 | { | |
4534 | int op; | |
4535 | int q; | |
4536 | int rd, rn, rm; | |
4537 | int size; | |
4538 | int shift; | |
4539 | int pass; | |
4540 | int count; | |
4541 | int pairwise; | |
4542 | int u; | |
ca9a32e4 | 4543 | uint32_t imm, mask; |
b75263d6 | 4544 | TCGv tmp, tmp2, tmp3, tmp4, tmp5; |
a7812ae4 | 4545 | TCGv_i64 tmp64; |
9ee6e8bb | 4546 | |
5df8bac1 | 4547 | if (!s->vfp_enabled) |
9ee6e8bb PB |
4548 | return 1; |
4549 | q = (insn & (1 << 6)) != 0; | |
4550 | u = (insn >> 24) & 1; | |
4551 | VFP_DREG_D(rd, insn); | |
4552 | VFP_DREG_N(rn, insn); | |
4553 | VFP_DREG_M(rm, insn); | |
4554 | size = (insn >> 20) & 3; | |
4555 | if ((insn & (1 << 23)) == 0) { | |
4556 | /* Three register same length. */ | |
4557 | op = ((insn >> 7) & 0x1e) | ((insn >> 4) & 1); | |
62698be3 PM |
4558 | /* Catch invalid op and bad size combinations: UNDEF */ |
4559 | if ((neon_3r_sizes[op] & (1 << size)) == 0) { | |
4560 | return 1; | |
4561 | } | |
25f84f79 PM |
4562 | /* All insns of this form UNDEF for either this condition or the |
4563 | * superset of cases "Q==1"; we catch the latter later. | |
4564 | */ | |
4565 | if (q && ((rd | rn | rm) & 1)) { | |
4566 | return 1; | |
4567 | } | |
62698be3 PM |
4568 | if (size == 3 && op != NEON_3R_LOGIC) { |
4569 | /* 64-bit element instructions. */ | |
9ee6e8bb | 4570 | for (pass = 0; pass < (q ? 2 : 1); pass++) { |
ad69471c PB |
4571 | neon_load_reg64(cpu_V0, rn + pass); |
4572 | neon_load_reg64(cpu_V1, rm + pass); | |
9ee6e8bb | 4573 | switch (op) { |
62698be3 | 4574 | case NEON_3R_VQADD: |
9ee6e8bb | 4575 | if (u) { |
02da0b2d PM |
4576 | gen_helper_neon_qadd_u64(cpu_V0, cpu_env, |
4577 | cpu_V0, cpu_V1); | |
2c0262af | 4578 | } else { |
02da0b2d PM |
4579 | gen_helper_neon_qadd_s64(cpu_V0, cpu_env, |
4580 | cpu_V0, cpu_V1); | |
2c0262af | 4581 | } |
9ee6e8bb | 4582 | break; |
62698be3 | 4583 | case NEON_3R_VQSUB: |
9ee6e8bb | 4584 | if (u) { |
02da0b2d PM |
4585 | gen_helper_neon_qsub_u64(cpu_V0, cpu_env, |
4586 | cpu_V0, cpu_V1); | |
ad69471c | 4587 | } else { |
02da0b2d PM |
4588 | gen_helper_neon_qsub_s64(cpu_V0, cpu_env, |
4589 | cpu_V0, cpu_V1); | |
ad69471c PB |
4590 | } |
4591 | break; | |
62698be3 | 4592 | case NEON_3R_VSHL: |
ad69471c PB |
4593 | if (u) { |
4594 | gen_helper_neon_shl_u64(cpu_V0, cpu_V1, cpu_V0); | |
4595 | } else { | |
4596 | gen_helper_neon_shl_s64(cpu_V0, cpu_V1, cpu_V0); | |
4597 | } | |
4598 | break; | |
62698be3 | 4599 | case NEON_3R_VQSHL: |
ad69471c | 4600 | if (u) { |
02da0b2d PM |
4601 | gen_helper_neon_qshl_u64(cpu_V0, cpu_env, |
4602 | cpu_V1, cpu_V0); | |
ad69471c | 4603 | } else { |
02da0b2d PM |
4604 | gen_helper_neon_qshl_s64(cpu_V0, cpu_env, |
4605 | cpu_V1, cpu_V0); | |
ad69471c PB |
4606 | } |
4607 | break; | |
62698be3 | 4608 | case NEON_3R_VRSHL: |
ad69471c PB |
4609 | if (u) { |
4610 | gen_helper_neon_rshl_u64(cpu_V0, cpu_V1, cpu_V0); | |
1e8d4eec | 4611 | } else { |
ad69471c PB |
4612 | gen_helper_neon_rshl_s64(cpu_V0, cpu_V1, cpu_V0); |
4613 | } | |
4614 | break; | |
62698be3 | 4615 | case NEON_3R_VQRSHL: |
ad69471c | 4616 | if (u) { |
02da0b2d PM |
4617 | gen_helper_neon_qrshl_u64(cpu_V0, cpu_env, |
4618 | cpu_V1, cpu_V0); | |
ad69471c | 4619 | } else { |
02da0b2d PM |
4620 | gen_helper_neon_qrshl_s64(cpu_V0, cpu_env, |
4621 | cpu_V1, cpu_V0); | |
1e8d4eec | 4622 | } |
9ee6e8bb | 4623 | break; |
62698be3 | 4624 | case NEON_3R_VADD_VSUB: |
9ee6e8bb | 4625 | if (u) { |
ad69471c | 4626 | tcg_gen_sub_i64(CPU_V001); |
9ee6e8bb | 4627 | } else { |
ad69471c | 4628 | tcg_gen_add_i64(CPU_V001); |
9ee6e8bb PB |
4629 | } |
4630 | break; | |
4631 | default: | |
4632 | abort(); | |
2c0262af | 4633 | } |
ad69471c | 4634 | neon_store_reg64(cpu_V0, rd + pass); |
2c0262af | 4635 | } |
9ee6e8bb | 4636 | return 0; |
2c0262af | 4637 | } |
25f84f79 | 4638 | pairwise = 0; |
9ee6e8bb | 4639 | switch (op) { |
62698be3 PM |
4640 | case NEON_3R_VSHL: |
4641 | case NEON_3R_VQSHL: | |
4642 | case NEON_3R_VRSHL: | |
4643 | case NEON_3R_VQRSHL: | |
9ee6e8bb | 4644 | { |
ad69471c PB |
4645 | int rtmp; |
4646 | /* Shift instruction operands are reversed. */ | |
4647 | rtmp = rn; | |
9ee6e8bb | 4648 | rn = rm; |
ad69471c | 4649 | rm = rtmp; |
9ee6e8bb | 4650 | } |
2c0262af | 4651 | break; |
25f84f79 PM |
4652 | case NEON_3R_VPADD: |
4653 | if (u) { | |
4654 | return 1; | |
4655 | } | |
4656 | /* Fall through */ | |
62698be3 PM |
4657 | case NEON_3R_VPMAX: |
4658 | case NEON_3R_VPMIN: | |
9ee6e8bb | 4659 | pairwise = 1; |
2c0262af | 4660 | break; |
25f84f79 PM |
4661 | case NEON_3R_FLOAT_ARITH: |
4662 | pairwise = (u && size < 2); /* if VPADD (float) */ | |
4663 | break; | |
4664 | case NEON_3R_FLOAT_MINMAX: | |
4665 | pairwise = u; /* if VPMIN/VPMAX (float) */ | |
4666 | break; | |
4667 | case NEON_3R_FLOAT_CMP: | |
4668 | if (!u && size) { | |
4669 | /* no encoding for U=0 C=1x */ | |
4670 | return 1; | |
4671 | } | |
4672 | break; | |
4673 | case NEON_3R_FLOAT_ACMP: | |
4674 | if (!u) { | |
4675 | return 1; | |
4676 | } | |
4677 | break; | |
4678 | case NEON_3R_VRECPS_VRSQRTS: | |
4679 | if (u) { | |
4680 | return 1; | |
4681 | } | |
2c0262af | 4682 | break; |
25f84f79 PM |
4683 | case NEON_3R_VMUL: |
4684 | if (u && (size != 0)) { | |
4685 | /* UNDEF on invalid size for polynomial subcase */ | |
4686 | return 1; | |
4687 | } | |
2c0262af | 4688 | break; |
9ee6e8bb | 4689 | default: |
2c0262af | 4690 | break; |
9ee6e8bb | 4691 | } |
dd8fbd78 | 4692 | |
25f84f79 PM |
4693 | if (pairwise && q) { |
4694 | /* All the pairwise insns UNDEF if Q is set */ | |
4695 | return 1; | |
4696 | } | |
4697 | ||
9ee6e8bb PB |
4698 | for (pass = 0; pass < (q ? 4 : 2); pass++) { |
4699 | ||
4700 | if (pairwise) { | |
4701 | /* Pairwise. */ | |
a5a14945 JR |
4702 | if (pass < 1) { |
4703 | tmp = neon_load_reg(rn, 0); | |
4704 | tmp2 = neon_load_reg(rn, 1); | |
9ee6e8bb | 4705 | } else { |
a5a14945 JR |
4706 | tmp = neon_load_reg(rm, 0); |
4707 | tmp2 = neon_load_reg(rm, 1); | |
9ee6e8bb PB |
4708 | } |
4709 | } else { | |
4710 | /* Elementwise. */ | |
dd8fbd78 FN |
4711 | tmp = neon_load_reg(rn, pass); |
4712 | tmp2 = neon_load_reg(rm, pass); | |
9ee6e8bb PB |
4713 | } |
4714 | switch (op) { | |
62698be3 | 4715 | case NEON_3R_VHADD: |
9ee6e8bb PB |
4716 | GEN_NEON_INTEGER_OP(hadd); |
4717 | break; | |
62698be3 | 4718 | case NEON_3R_VQADD: |
02da0b2d | 4719 | GEN_NEON_INTEGER_OP_ENV(qadd); |
2c0262af | 4720 | break; |
62698be3 | 4721 | case NEON_3R_VRHADD: |
9ee6e8bb | 4722 | GEN_NEON_INTEGER_OP(rhadd); |
2c0262af | 4723 | break; |
62698be3 | 4724 | case NEON_3R_LOGIC: /* Logic ops. */ |
9ee6e8bb PB |
4725 | switch ((u << 2) | size) { |
4726 | case 0: /* VAND */ | |
dd8fbd78 | 4727 | tcg_gen_and_i32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4728 | break; |
4729 | case 1: /* BIC */ | |
f669df27 | 4730 | tcg_gen_andc_i32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4731 | break; |
4732 | case 2: /* VORR */ | |
dd8fbd78 | 4733 | tcg_gen_or_i32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4734 | break; |
4735 | case 3: /* VORN */ | |
f669df27 | 4736 | tcg_gen_orc_i32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4737 | break; |
4738 | case 4: /* VEOR */ | |
dd8fbd78 | 4739 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4740 | break; |
4741 | case 5: /* VBSL */ | |
dd8fbd78 FN |
4742 | tmp3 = neon_load_reg(rd, pass); |
4743 | gen_neon_bsl(tmp, tmp, tmp2, tmp3); | |
7d1b0095 | 4744 | tcg_temp_free_i32(tmp3); |
9ee6e8bb PB |
4745 | break; |
4746 | case 6: /* VBIT */ | |
dd8fbd78 FN |
4747 | tmp3 = neon_load_reg(rd, pass); |
4748 | gen_neon_bsl(tmp, tmp, tmp3, tmp2); | |
7d1b0095 | 4749 | tcg_temp_free_i32(tmp3); |
9ee6e8bb PB |
4750 | break; |
4751 | case 7: /* VBIF */ | |
dd8fbd78 FN |
4752 | tmp3 = neon_load_reg(rd, pass); |
4753 | gen_neon_bsl(tmp, tmp3, tmp, tmp2); | |
7d1b0095 | 4754 | tcg_temp_free_i32(tmp3); |
9ee6e8bb | 4755 | break; |
2c0262af FB |
4756 | } |
4757 | break; | |
62698be3 | 4758 | case NEON_3R_VHSUB: |
9ee6e8bb PB |
4759 | GEN_NEON_INTEGER_OP(hsub); |
4760 | break; | |
62698be3 | 4761 | case NEON_3R_VQSUB: |
02da0b2d | 4762 | GEN_NEON_INTEGER_OP_ENV(qsub); |
2c0262af | 4763 | break; |
62698be3 | 4764 | case NEON_3R_VCGT: |
9ee6e8bb PB |
4765 | GEN_NEON_INTEGER_OP(cgt); |
4766 | break; | |
62698be3 | 4767 | case NEON_3R_VCGE: |
9ee6e8bb PB |
4768 | GEN_NEON_INTEGER_OP(cge); |
4769 | break; | |
62698be3 | 4770 | case NEON_3R_VSHL: |
ad69471c | 4771 | GEN_NEON_INTEGER_OP(shl); |
2c0262af | 4772 | break; |
62698be3 | 4773 | case NEON_3R_VQSHL: |
02da0b2d | 4774 | GEN_NEON_INTEGER_OP_ENV(qshl); |
2c0262af | 4775 | break; |
62698be3 | 4776 | case NEON_3R_VRSHL: |
ad69471c | 4777 | GEN_NEON_INTEGER_OP(rshl); |
2c0262af | 4778 | break; |
62698be3 | 4779 | case NEON_3R_VQRSHL: |
02da0b2d | 4780 | GEN_NEON_INTEGER_OP_ENV(qrshl); |
9ee6e8bb | 4781 | break; |
62698be3 | 4782 | case NEON_3R_VMAX: |
9ee6e8bb PB |
4783 | GEN_NEON_INTEGER_OP(max); |
4784 | break; | |
62698be3 | 4785 | case NEON_3R_VMIN: |
9ee6e8bb PB |
4786 | GEN_NEON_INTEGER_OP(min); |
4787 | break; | |
62698be3 | 4788 | case NEON_3R_VABD: |
9ee6e8bb PB |
4789 | GEN_NEON_INTEGER_OP(abd); |
4790 | break; | |
62698be3 | 4791 | case NEON_3R_VABA: |
9ee6e8bb | 4792 | GEN_NEON_INTEGER_OP(abd); |
7d1b0095 | 4793 | tcg_temp_free_i32(tmp2); |
dd8fbd78 FN |
4794 | tmp2 = neon_load_reg(rd, pass); |
4795 | gen_neon_add(size, tmp, tmp2); | |
9ee6e8bb | 4796 | break; |
62698be3 | 4797 | case NEON_3R_VADD_VSUB: |
9ee6e8bb | 4798 | if (!u) { /* VADD */ |
62698be3 | 4799 | gen_neon_add(size, tmp, tmp2); |
9ee6e8bb PB |
4800 | } else { /* VSUB */ |
4801 | switch (size) { | |
dd8fbd78 FN |
4802 | case 0: gen_helper_neon_sub_u8(tmp, tmp, tmp2); break; |
4803 | case 1: gen_helper_neon_sub_u16(tmp, tmp, tmp2); break; | |
4804 | case 2: tcg_gen_sub_i32(tmp, tmp, tmp2); break; | |
62698be3 | 4805 | default: abort(); |
9ee6e8bb PB |
4806 | } |
4807 | } | |
4808 | break; | |
62698be3 | 4809 | case NEON_3R_VTST_VCEQ: |
9ee6e8bb PB |
4810 | if (!u) { /* VTST */ |
4811 | switch (size) { | |
dd8fbd78 FN |
4812 | case 0: gen_helper_neon_tst_u8(tmp, tmp, tmp2); break; |
4813 | case 1: gen_helper_neon_tst_u16(tmp, tmp, tmp2); break; | |
4814 | case 2: gen_helper_neon_tst_u32(tmp, tmp, tmp2); break; | |
62698be3 | 4815 | default: abort(); |
9ee6e8bb PB |
4816 | } |
4817 | } else { /* VCEQ */ | |
4818 | switch (size) { | |
dd8fbd78 FN |
4819 | case 0: gen_helper_neon_ceq_u8(tmp, tmp, tmp2); break; |
4820 | case 1: gen_helper_neon_ceq_u16(tmp, tmp, tmp2); break; | |
4821 | case 2: gen_helper_neon_ceq_u32(tmp, tmp, tmp2); break; | |
62698be3 | 4822 | default: abort(); |
9ee6e8bb PB |
4823 | } |
4824 | } | |
4825 | break; | |
62698be3 | 4826 | case NEON_3R_VML: /* VMLA, VMLAL, VMLS,VMLSL */ |
9ee6e8bb | 4827 | switch (size) { |
dd8fbd78 FN |
4828 | case 0: gen_helper_neon_mul_u8(tmp, tmp, tmp2); break; |
4829 | case 1: gen_helper_neon_mul_u16(tmp, tmp, tmp2); break; | |
4830 | case 2: tcg_gen_mul_i32(tmp, tmp, tmp2); break; | |
62698be3 | 4831 | default: abort(); |
9ee6e8bb | 4832 | } |
7d1b0095 | 4833 | tcg_temp_free_i32(tmp2); |
dd8fbd78 | 4834 | tmp2 = neon_load_reg(rd, pass); |
9ee6e8bb | 4835 | if (u) { /* VMLS */ |
dd8fbd78 | 4836 | gen_neon_rsb(size, tmp, tmp2); |
9ee6e8bb | 4837 | } else { /* VMLA */ |
dd8fbd78 | 4838 | gen_neon_add(size, tmp, tmp2); |
9ee6e8bb PB |
4839 | } |
4840 | break; | |
62698be3 | 4841 | case NEON_3R_VMUL: |
9ee6e8bb | 4842 | if (u) { /* polynomial */ |
dd8fbd78 | 4843 | gen_helper_neon_mul_p8(tmp, tmp, tmp2); |
9ee6e8bb PB |
4844 | } else { /* Integer */ |
4845 | switch (size) { | |
dd8fbd78 FN |
4846 | case 0: gen_helper_neon_mul_u8(tmp, tmp, tmp2); break; |
4847 | case 1: gen_helper_neon_mul_u16(tmp, tmp, tmp2); break; | |
4848 | case 2: tcg_gen_mul_i32(tmp, tmp, tmp2); break; | |
62698be3 | 4849 | default: abort(); |
9ee6e8bb PB |
4850 | } |
4851 | } | |
4852 | break; | |
62698be3 | 4853 | case NEON_3R_VPMAX: |
9ee6e8bb PB |
4854 | GEN_NEON_INTEGER_OP(pmax); |
4855 | break; | |
62698be3 | 4856 | case NEON_3R_VPMIN: |
9ee6e8bb PB |
4857 | GEN_NEON_INTEGER_OP(pmin); |
4858 | break; | |
62698be3 | 4859 | case NEON_3R_VQDMULH_VQRDMULH: /* Multiply high. */ |
9ee6e8bb PB |
4860 | if (!u) { /* VQDMULH */ |
4861 | switch (size) { | |
02da0b2d PM |
4862 | case 1: |
4863 | gen_helper_neon_qdmulh_s16(tmp, cpu_env, tmp, tmp2); | |
4864 | break; | |
4865 | case 2: | |
4866 | gen_helper_neon_qdmulh_s32(tmp, cpu_env, tmp, tmp2); | |
4867 | break; | |
62698be3 | 4868 | default: abort(); |
9ee6e8bb | 4869 | } |
62698be3 | 4870 | } else { /* VQRDMULH */ |
9ee6e8bb | 4871 | switch (size) { |
02da0b2d PM |
4872 | case 1: |
4873 | gen_helper_neon_qrdmulh_s16(tmp, cpu_env, tmp, tmp2); | |
4874 | break; | |
4875 | case 2: | |
4876 | gen_helper_neon_qrdmulh_s32(tmp, cpu_env, tmp, tmp2); | |
4877 | break; | |
62698be3 | 4878 | default: abort(); |
9ee6e8bb PB |
4879 | } |
4880 | } | |
4881 | break; | |
62698be3 | 4882 | case NEON_3R_VPADD: |
9ee6e8bb | 4883 | switch (size) { |
dd8fbd78 FN |
4884 | case 0: gen_helper_neon_padd_u8(tmp, tmp, tmp2); break; |
4885 | case 1: gen_helper_neon_padd_u16(tmp, tmp, tmp2); break; | |
4886 | case 2: tcg_gen_add_i32(tmp, tmp, tmp2); break; | |
62698be3 | 4887 | default: abort(); |
9ee6e8bb PB |
4888 | } |
4889 | break; | |
62698be3 | 4890 | case NEON_3R_FLOAT_ARITH: /* Floating point arithmetic. */ |
aa47cfdd PM |
4891 | { |
4892 | TCGv_ptr fpstatus = get_fpstatus_ptr(1); | |
9ee6e8bb PB |
4893 | switch ((u << 2) | size) { |
4894 | case 0: /* VADD */ | |
aa47cfdd PM |
4895 | case 4: /* VPADD */ |
4896 | gen_helper_vfp_adds(tmp, tmp, tmp2, fpstatus); | |
9ee6e8bb PB |
4897 | break; |
4898 | case 2: /* VSUB */ | |
aa47cfdd | 4899 | gen_helper_vfp_subs(tmp, tmp, tmp2, fpstatus); |
9ee6e8bb PB |
4900 | break; |
4901 | case 6: /* VABD */ | |
aa47cfdd | 4902 | gen_helper_neon_abd_f32(tmp, tmp, tmp2, fpstatus); |
9ee6e8bb PB |
4903 | break; |
4904 | default: | |
62698be3 | 4905 | abort(); |
9ee6e8bb | 4906 | } |
aa47cfdd | 4907 | tcg_temp_free_ptr(fpstatus); |
9ee6e8bb | 4908 | break; |
aa47cfdd | 4909 | } |
62698be3 | 4910 | case NEON_3R_FLOAT_MULTIPLY: |
aa47cfdd PM |
4911 | { |
4912 | TCGv_ptr fpstatus = get_fpstatus_ptr(1); | |
4913 | gen_helper_vfp_muls(tmp, tmp, tmp2, fpstatus); | |
9ee6e8bb | 4914 | if (!u) { |
7d1b0095 | 4915 | tcg_temp_free_i32(tmp2); |
dd8fbd78 | 4916 | tmp2 = neon_load_reg(rd, pass); |
9ee6e8bb | 4917 | if (size == 0) { |
aa47cfdd | 4918 | gen_helper_vfp_adds(tmp, tmp, tmp2, fpstatus); |
9ee6e8bb | 4919 | } else { |
aa47cfdd | 4920 | gen_helper_vfp_subs(tmp, tmp2, tmp, fpstatus); |
9ee6e8bb PB |
4921 | } |
4922 | } | |
aa47cfdd | 4923 | tcg_temp_free_ptr(fpstatus); |
9ee6e8bb | 4924 | break; |
aa47cfdd | 4925 | } |
62698be3 | 4926 | case NEON_3R_FLOAT_CMP: |
aa47cfdd PM |
4927 | { |
4928 | TCGv_ptr fpstatus = get_fpstatus_ptr(1); | |
9ee6e8bb | 4929 | if (!u) { |
aa47cfdd | 4930 | gen_helper_neon_ceq_f32(tmp, tmp, tmp2, fpstatus); |
b5ff1b31 | 4931 | } else { |
aa47cfdd PM |
4932 | if (size == 0) { |
4933 | gen_helper_neon_cge_f32(tmp, tmp, tmp2, fpstatus); | |
4934 | } else { | |
4935 | gen_helper_neon_cgt_f32(tmp, tmp, tmp2, fpstatus); | |
4936 | } | |
b5ff1b31 | 4937 | } |
aa47cfdd | 4938 | tcg_temp_free_ptr(fpstatus); |
2c0262af | 4939 | break; |
aa47cfdd | 4940 | } |
62698be3 | 4941 | case NEON_3R_FLOAT_ACMP: |
aa47cfdd PM |
4942 | { |
4943 | TCGv_ptr fpstatus = get_fpstatus_ptr(1); | |
4944 | if (size == 0) { | |
4945 | gen_helper_neon_acge_f32(tmp, tmp, tmp2, fpstatus); | |
4946 | } else { | |
4947 | gen_helper_neon_acgt_f32(tmp, tmp, tmp2, fpstatus); | |
4948 | } | |
4949 | tcg_temp_free_ptr(fpstatus); | |
2c0262af | 4950 | break; |
aa47cfdd | 4951 | } |
62698be3 | 4952 | case NEON_3R_FLOAT_MINMAX: |
aa47cfdd PM |
4953 | { |
4954 | TCGv_ptr fpstatus = get_fpstatus_ptr(1); | |
4955 | if (size == 0) { | |
4956 | gen_helper_neon_max_f32(tmp, tmp, tmp2, fpstatus); | |
4957 | } else { | |
4958 | gen_helper_neon_min_f32(tmp, tmp, tmp2, fpstatus); | |
4959 | } | |
4960 | tcg_temp_free_ptr(fpstatus); | |
9ee6e8bb | 4961 | break; |
aa47cfdd | 4962 | } |
62698be3 | 4963 | case NEON_3R_VRECPS_VRSQRTS: |
9ee6e8bb | 4964 | if (size == 0) |
dd8fbd78 | 4965 | gen_helper_recps_f32(tmp, tmp, tmp2, cpu_env); |
9ee6e8bb | 4966 | else |
dd8fbd78 | 4967 | gen_helper_rsqrts_f32(tmp, tmp, tmp2, cpu_env); |
2c0262af | 4968 | break; |
9ee6e8bb PB |
4969 | default: |
4970 | abort(); | |
2c0262af | 4971 | } |
7d1b0095 | 4972 | tcg_temp_free_i32(tmp2); |
dd8fbd78 | 4973 | |
9ee6e8bb PB |
4974 | /* Save the result. For elementwise operations we can put it |
4975 | straight into the destination register. For pairwise operations | |
4976 | we have to be careful to avoid clobbering the source operands. */ | |
4977 | if (pairwise && rd == rm) { | |
dd8fbd78 | 4978 | neon_store_scratch(pass, tmp); |
9ee6e8bb | 4979 | } else { |
dd8fbd78 | 4980 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb PB |
4981 | } |
4982 | ||
4983 | } /* for pass */ | |
4984 | if (pairwise && rd == rm) { | |
4985 | for (pass = 0; pass < (q ? 4 : 2); pass++) { | |
dd8fbd78 FN |
4986 | tmp = neon_load_scratch(pass); |
4987 | neon_store_reg(rd, pass, tmp); | |
9ee6e8bb PB |
4988 | } |
4989 | } | |
ad69471c | 4990 | /* End of 3 register same size operations. */ |
9ee6e8bb PB |
4991 | } else if (insn & (1 << 4)) { |
4992 | if ((insn & 0x00380080) != 0) { | |
4993 | /* Two registers and shift. */ | |
4994 | op = (insn >> 8) & 0xf; | |
4995 | if (insn & (1 << 7)) { | |
cc13115b PM |
4996 | /* 64-bit shift. */ |
4997 | if (op > 7) { | |
4998 | return 1; | |
4999 | } | |
9ee6e8bb PB |
5000 | size = 3; |
5001 | } else { | |
5002 | size = 2; | |
5003 | while ((insn & (1 << (size + 19))) == 0) | |
5004 | size--; | |
5005 | } | |
5006 | shift = (insn >> 16) & ((1 << (3 + size)) - 1); | |
5007 | /* To avoid excessive dumplication of ops we implement shift | |
5008 | by immediate using the variable shift operations. */ | |
5009 | if (op < 8) { | |
5010 | /* Shift by immediate: | |
5011 | VSHR, VSRA, VRSHR, VRSRA, VSRI, VSHL, VQSHL, VQSHLU. */ | |
cc13115b PM |
5012 | if (q && ((rd | rm) & 1)) { |
5013 | return 1; | |
5014 | } | |
5015 | if (!u && (op == 4 || op == 6)) { | |
5016 | return 1; | |
5017 | } | |
9ee6e8bb PB |
5018 | /* Right shifts are encoded as N - shift, where N is the |
5019 | element size in bits. */ | |
5020 | if (op <= 4) | |
5021 | shift = shift - (1 << (size + 3)); | |
9ee6e8bb PB |
5022 | if (size == 3) { |
5023 | count = q + 1; | |
5024 | } else { | |
5025 | count = q ? 4: 2; | |
5026 | } | |
5027 | switch (size) { | |
5028 | case 0: | |
5029 | imm = (uint8_t) shift; | |
5030 | imm |= imm << 8; | |
5031 | imm |= imm << 16; | |
5032 | break; | |
5033 | case 1: | |
5034 | imm = (uint16_t) shift; | |
5035 | imm |= imm << 16; | |
5036 | break; | |
5037 | case 2: | |
5038 | case 3: | |
5039 | imm = shift; | |
5040 | break; | |
5041 | default: | |
5042 | abort(); | |
5043 | } | |
5044 | ||
5045 | for (pass = 0; pass < count; pass++) { | |
ad69471c PB |
5046 | if (size == 3) { |
5047 | neon_load_reg64(cpu_V0, rm + pass); | |
5048 | tcg_gen_movi_i64(cpu_V1, imm); | |
5049 | switch (op) { | |
5050 | case 0: /* VSHR */ | |
5051 | case 1: /* VSRA */ | |
5052 | if (u) | |
5053 | gen_helper_neon_shl_u64(cpu_V0, cpu_V0, cpu_V1); | |
9ee6e8bb | 5054 | else |
ad69471c | 5055 | gen_helper_neon_shl_s64(cpu_V0, cpu_V0, cpu_V1); |
9ee6e8bb | 5056 | break; |
ad69471c PB |
5057 | case 2: /* VRSHR */ |
5058 | case 3: /* VRSRA */ | |
5059 | if (u) | |
5060 | gen_helper_neon_rshl_u64(cpu_V0, cpu_V0, cpu_V1); | |
9ee6e8bb | 5061 | else |
ad69471c | 5062 | gen_helper_neon_rshl_s64(cpu_V0, cpu_V0, cpu_V1); |
9ee6e8bb | 5063 | break; |
ad69471c | 5064 | case 4: /* VSRI */ |
ad69471c PB |
5065 | case 5: /* VSHL, VSLI */ |
5066 | gen_helper_neon_shl_u64(cpu_V0, cpu_V0, cpu_V1); | |
5067 | break; | |
0322b26e | 5068 | case 6: /* VQSHLU */ |
02da0b2d PM |
5069 | gen_helper_neon_qshlu_s64(cpu_V0, cpu_env, |
5070 | cpu_V0, cpu_V1); | |
ad69471c | 5071 | break; |
0322b26e PM |
5072 | case 7: /* VQSHL */ |
5073 | if (u) { | |
02da0b2d | 5074 | gen_helper_neon_qshl_u64(cpu_V0, cpu_env, |
0322b26e PM |
5075 | cpu_V0, cpu_V1); |
5076 | } else { | |
02da0b2d | 5077 | gen_helper_neon_qshl_s64(cpu_V0, cpu_env, |
0322b26e PM |
5078 | cpu_V0, cpu_V1); |
5079 | } | |
9ee6e8bb | 5080 | break; |
9ee6e8bb | 5081 | } |
ad69471c PB |
5082 | if (op == 1 || op == 3) { |
5083 | /* Accumulate. */ | |
5371cb81 | 5084 | neon_load_reg64(cpu_V1, rd + pass); |
ad69471c PB |
5085 | tcg_gen_add_i64(cpu_V0, cpu_V0, cpu_V1); |
5086 | } else if (op == 4 || (op == 5 && u)) { | |
5087 | /* Insert */ | |
923e6509 CL |
5088 | neon_load_reg64(cpu_V1, rd + pass); |
5089 | uint64_t mask; | |
5090 | if (shift < -63 || shift > 63) { | |
5091 | mask = 0; | |
5092 | } else { | |
5093 | if (op == 4) { | |
5094 | mask = 0xffffffffffffffffull >> -shift; | |
5095 | } else { | |
5096 | mask = 0xffffffffffffffffull << shift; | |
5097 | } | |
5098 | } | |
5099 | tcg_gen_andi_i64(cpu_V1, cpu_V1, ~mask); | |
5100 | tcg_gen_or_i64(cpu_V0, cpu_V0, cpu_V1); | |
ad69471c PB |
5101 | } |
5102 | neon_store_reg64(cpu_V0, rd + pass); | |
5103 | } else { /* size < 3 */ | |
5104 | /* Operands in T0 and T1. */ | |
dd8fbd78 | 5105 | tmp = neon_load_reg(rm, pass); |
7d1b0095 | 5106 | tmp2 = tcg_temp_new_i32(); |
dd8fbd78 | 5107 | tcg_gen_movi_i32(tmp2, imm); |
ad69471c PB |
5108 | switch (op) { |
5109 | case 0: /* VSHR */ | |
5110 | case 1: /* VSRA */ | |
5111 | GEN_NEON_INTEGER_OP(shl); | |
5112 | break; | |
5113 | case 2: /* VRSHR */ | |
5114 | case 3: /* VRSRA */ | |
5115 | GEN_NEON_INTEGER_OP(rshl); | |
5116 | break; | |
5117 | case 4: /* VSRI */ | |
ad69471c PB |
5118 | case 5: /* VSHL, VSLI */ |
5119 | switch (size) { | |
dd8fbd78 FN |
5120 | case 0: gen_helper_neon_shl_u8(tmp, tmp, tmp2); break; |
5121 | case 1: gen_helper_neon_shl_u16(tmp, tmp, tmp2); break; | |
5122 | case 2: gen_helper_neon_shl_u32(tmp, tmp, tmp2); break; | |
cc13115b | 5123 | default: abort(); |
ad69471c PB |
5124 | } |
5125 | break; | |
0322b26e | 5126 | case 6: /* VQSHLU */ |
ad69471c | 5127 | switch (size) { |
0322b26e | 5128 | case 0: |
02da0b2d PM |
5129 | gen_helper_neon_qshlu_s8(tmp, cpu_env, |
5130 | tmp, tmp2); | |
0322b26e PM |
5131 | break; |
5132 | case 1: | |
02da0b2d PM |
5133 | gen_helper_neon_qshlu_s16(tmp, cpu_env, |
5134 | tmp, tmp2); | |
0322b26e PM |
5135 | break; |
5136 | case 2: | |
02da0b2d PM |
5137 | gen_helper_neon_qshlu_s32(tmp, cpu_env, |
5138 | tmp, tmp2); | |
0322b26e PM |
5139 | break; |
5140 | default: | |
cc13115b | 5141 | abort(); |
ad69471c PB |
5142 | } |
5143 | break; | |
0322b26e | 5144 | case 7: /* VQSHL */ |
02da0b2d | 5145 | GEN_NEON_INTEGER_OP_ENV(qshl); |
0322b26e | 5146 | break; |
ad69471c | 5147 | } |
7d1b0095 | 5148 | tcg_temp_free_i32(tmp2); |
ad69471c PB |
5149 | |
5150 | if (op == 1 || op == 3) { | |
5151 | /* Accumulate. */ | |
dd8fbd78 | 5152 | tmp2 = neon_load_reg(rd, pass); |
5371cb81 | 5153 | gen_neon_add(size, tmp, tmp2); |
7d1b0095 | 5154 | tcg_temp_free_i32(tmp2); |
ad69471c PB |
5155 | } else if (op == 4 || (op == 5 && u)) { |
5156 | /* Insert */ | |
5157 | switch (size) { | |
5158 | case 0: | |
5159 | if (op == 4) | |
ca9a32e4 | 5160 | mask = 0xff >> -shift; |
ad69471c | 5161 | else |
ca9a32e4 JR |
5162 | mask = (uint8_t)(0xff << shift); |
5163 | mask |= mask << 8; | |
5164 | mask |= mask << 16; | |
ad69471c PB |
5165 | break; |
5166 | case 1: | |
5167 | if (op == 4) | |
ca9a32e4 | 5168 | mask = 0xffff >> -shift; |
ad69471c | 5169 | else |
ca9a32e4 JR |
5170 | mask = (uint16_t)(0xffff << shift); |
5171 | mask |= mask << 16; | |
ad69471c PB |
5172 | break; |
5173 | case 2: | |
ca9a32e4 JR |
5174 | if (shift < -31 || shift > 31) { |
5175 | mask = 0; | |
5176 | } else { | |
5177 | if (op == 4) | |
5178 | mask = 0xffffffffu >> -shift; | |
5179 | else | |
5180 | mask = 0xffffffffu << shift; | |
5181 | } | |
ad69471c PB |
5182 | break; |
5183 | default: | |
5184 | abort(); | |
5185 | } | |
dd8fbd78 | 5186 | tmp2 = neon_load_reg(rd, pass); |
ca9a32e4 JR |
5187 | tcg_gen_andi_i32(tmp, tmp, mask); |
5188 | tcg_gen_andi_i32(tmp2, tmp2, ~mask); | |
dd8fbd78 | 5189 | tcg_gen_or_i32(tmp, tmp, tmp2); |
7d1b0095 | 5190 | tcg_temp_free_i32(tmp2); |
ad69471c | 5191 | } |
dd8fbd78 | 5192 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb PB |
5193 | } |
5194 | } /* for pass */ | |
5195 | } else if (op < 10) { | |
ad69471c | 5196 | /* Shift by immediate and narrow: |
9ee6e8bb | 5197 | VSHRN, VRSHRN, VQSHRN, VQRSHRN. */ |
0b36f4cd | 5198 | int input_unsigned = (op == 8) ? !u : u; |
cc13115b PM |
5199 | if (rm & 1) { |
5200 | return 1; | |
5201 | } | |
9ee6e8bb PB |
5202 | shift = shift - (1 << (size + 3)); |
5203 | size++; | |
92cdfaeb | 5204 | if (size == 3) { |
a7812ae4 | 5205 | tmp64 = tcg_const_i64(shift); |
92cdfaeb PM |
5206 | neon_load_reg64(cpu_V0, rm); |
5207 | neon_load_reg64(cpu_V1, rm + 1); | |
5208 | for (pass = 0; pass < 2; pass++) { | |
5209 | TCGv_i64 in; | |
5210 | if (pass == 0) { | |
5211 | in = cpu_V0; | |
5212 | } else { | |
5213 | in = cpu_V1; | |
5214 | } | |
ad69471c | 5215 | if (q) { |
0b36f4cd | 5216 | if (input_unsigned) { |
92cdfaeb | 5217 | gen_helper_neon_rshl_u64(cpu_V0, in, tmp64); |
0b36f4cd | 5218 | } else { |
92cdfaeb | 5219 | gen_helper_neon_rshl_s64(cpu_V0, in, tmp64); |
0b36f4cd | 5220 | } |
ad69471c | 5221 | } else { |
0b36f4cd | 5222 | if (input_unsigned) { |
92cdfaeb | 5223 | gen_helper_neon_shl_u64(cpu_V0, in, tmp64); |
0b36f4cd | 5224 | } else { |
92cdfaeb | 5225 | gen_helper_neon_shl_s64(cpu_V0, in, tmp64); |
0b36f4cd | 5226 | } |
ad69471c | 5227 | } |
7d1b0095 | 5228 | tmp = tcg_temp_new_i32(); |
92cdfaeb PM |
5229 | gen_neon_narrow_op(op == 8, u, size - 1, tmp, cpu_V0); |
5230 | neon_store_reg(rd, pass, tmp); | |
5231 | } /* for pass */ | |
5232 | tcg_temp_free_i64(tmp64); | |
5233 | } else { | |
5234 | if (size == 1) { | |
5235 | imm = (uint16_t)shift; | |
5236 | imm |= imm << 16; | |
2c0262af | 5237 | } else { |
92cdfaeb PM |
5238 | /* size == 2 */ |
5239 | imm = (uint32_t)shift; | |
5240 | } | |
5241 | tmp2 = tcg_const_i32(imm); | |
5242 | tmp4 = neon_load_reg(rm + 1, 0); | |
5243 | tmp5 = neon_load_reg(rm + 1, 1); | |
5244 | for (pass = 0; pass < 2; pass++) { | |
5245 | if (pass == 0) { | |
5246 | tmp = neon_load_reg(rm, 0); | |
5247 | } else { | |
5248 | tmp = tmp4; | |
5249 | } | |
0b36f4cd CL |
5250 | gen_neon_shift_narrow(size, tmp, tmp2, q, |
5251 | input_unsigned); | |
92cdfaeb PM |
5252 | if (pass == 0) { |
5253 | tmp3 = neon_load_reg(rm, 1); | |
5254 | } else { | |
5255 | tmp3 = tmp5; | |
5256 | } | |
0b36f4cd CL |
5257 | gen_neon_shift_narrow(size, tmp3, tmp2, q, |
5258 | input_unsigned); | |
36aa55dc | 5259 | tcg_gen_concat_i32_i64(cpu_V0, tmp, tmp3); |
7d1b0095 PM |
5260 | tcg_temp_free_i32(tmp); |
5261 | tcg_temp_free_i32(tmp3); | |
5262 | tmp = tcg_temp_new_i32(); | |
92cdfaeb PM |
5263 | gen_neon_narrow_op(op == 8, u, size - 1, tmp, cpu_V0); |
5264 | neon_store_reg(rd, pass, tmp); | |
5265 | } /* for pass */ | |
c6067f04 | 5266 | tcg_temp_free_i32(tmp2); |
b75263d6 | 5267 | } |
9ee6e8bb | 5268 | } else if (op == 10) { |
cc13115b PM |
5269 | /* VSHLL, VMOVL */ |
5270 | if (q || (rd & 1)) { | |
9ee6e8bb | 5271 | return 1; |
cc13115b | 5272 | } |
ad69471c PB |
5273 | tmp = neon_load_reg(rm, 0); |
5274 | tmp2 = neon_load_reg(rm, 1); | |
9ee6e8bb | 5275 | for (pass = 0; pass < 2; pass++) { |
ad69471c PB |
5276 | if (pass == 1) |
5277 | tmp = tmp2; | |
5278 | ||
5279 | gen_neon_widen(cpu_V0, tmp, size, u); | |
9ee6e8bb | 5280 | |
9ee6e8bb PB |
5281 | if (shift != 0) { |
5282 | /* The shift is less than the width of the source | |
ad69471c PB |
5283 | type, so we can just shift the whole register. */ |
5284 | tcg_gen_shli_i64(cpu_V0, cpu_V0, shift); | |
acdf01ef CL |
5285 | /* Widen the result of shift: we need to clear |
5286 | * the potential overflow bits resulting from | |
5287 | * left bits of the narrow input appearing as | |
5288 | * right bits of left the neighbour narrow | |
5289 | * input. */ | |
ad69471c PB |
5290 | if (size < 2 || !u) { |
5291 | uint64_t imm64; | |
5292 | if (size == 0) { | |
5293 | imm = (0xffu >> (8 - shift)); | |
5294 | imm |= imm << 16; | |
acdf01ef | 5295 | } else if (size == 1) { |
ad69471c | 5296 | imm = 0xffff >> (16 - shift); |
acdf01ef CL |
5297 | } else { |
5298 | /* size == 2 */ | |
5299 | imm = 0xffffffff >> (32 - shift); | |
5300 | } | |
5301 | if (size < 2) { | |
5302 | imm64 = imm | (((uint64_t)imm) << 32); | |
5303 | } else { | |
5304 | imm64 = imm; | |
9ee6e8bb | 5305 | } |
acdf01ef | 5306 | tcg_gen_andi_i64(cpu_V0, cpu_V0, ~imm64); |
9ee6e8bb PB |
5307 | } |
5308 | } | |
ad69471c | 5309 | neon_store_reg64(cpu_V0, rd + pass); |
9ee6e8bb | 5310 | } |
f73534a5 | 5311 | } else if (op >= 14) { |
9ee6e8bb | 5312 | /* VCVT fixed-point. */ |
cc13115b PM |
5313 | if (!(insn & (1 << 21)) || (q && ((rd | rm) & 1))) { |
5314 | return 1; | |
5315 | } | |
f73534a5 PM |
5316 | /* We have already masked out the must-be-1 top bit of imm6, |
5317 | * hence this 32-shift where the ARM ARM has 64-imm6. | |
5318 | */ | |
5319 | shift = 32 - shift; | |
9ee6e8bb | 5320 | for (pass = 0; pass < (q ? 4 : 2); pass++) { |
4373f3ce | 5321 | tcg_gen_ld_f32(cpu_F0s, cpu_env, neon_reg_offset(rm, pass)); |
f73534a5 | 5322 | if (!(op & 1)) { |
9ee6e8bb | 5323 | if (u) |
5500b06c | 5324 | gen_vfp_ulto(0, shift, 1); |
9ee6e8bb | 5325 | else |
5500b06c | 5326 | gen_vfp_slto(0, shift, 1); |
9ee6e8bb PB |
5327 | } else { |
5328 | if (u) | |
5500b06c | 5329 | gen_vfp_toul(0, shift, 1); |
9ee6e8bb | 5330 | else |
5500b06c | 5331 | gen_vfp_tosl(0, shift, 1); |
2c0262af | 5332 | } |
4373f3ce | 5333 | tcg_gen_st_f32(cpu_F0s, cpu_env, neon_reg_offset(rd, pass)); |
2c0262af FB |
5334 | } |
5335 | } else { | |
9ee6e8bb PB |
5336 | return 1; |
5337 | } | |
5338 | } else { /* (insn & 0x00380080) == 0 */ | |
5339 | int invert; | |
7d80fee5 PM |
5340 | if (q && (rd & 1)) { |
5341 | return 1; | |
5342 | } | |
9ee6e8bb PB |
5343 | |
5344 | op = (insn >> 8) & 0xf; | |
5345 | /* One register and immediate. */ | |
5346 | imm = (u << 7) | ((insn >> 12) & 0x70) | (insn & 0xf); | |
5347 | invert = (insn & (1 << 5)) != 0; | |
7d80fee5 PM |
5348 | /* Note that op = 2,3,4,5,6,7,10,11,12,13 imm=0 is UNPREDICTABLE. |
5349 | * We choose to not special-case this and will behave as if a | |
5350 | * valid constant encoding of 0 had been given. | |
5351 | */ | |
9ee6e8bb PB |
5352 | switch (op) { |
5353 | case 0: case 1: | |
5354 | /* no-op */ | |
5355 | break; | |
5356 | case 2: case 3: | |
5357 | imm <<= 8; | |
5358 | break; | |
5359 | case 4: case 5: | |
5360 | imm <<= 16; | |
5361 | break; | |
5362 | case 6: case 7: | |
5363 | imm <<= 24; | |
5364 | break; | |
5365 | case 8: case 9: | |
5366 | imm |= imm << 16; | |
5367 | break; | |
5368 | case 10: case 11: | |
5369 | imm = (imm << 8) | (imm << 24); | |
5370 | break; | |
5371 | case 12: | |
8e31209e | 5372 | imm = (imm << 8) | 0xff; |
9ee6e8bb PB |
5373 | break; |
5374 | case 13: | |
5375 | imm = (imm << 16) | 0xffff; | |
5376 | break; | |
5377 | case 14: | |
5378 | imm |= (imm << 8) | (imm << 16) | (imm << 24); | |
5379 | if (invert) | |
5380 | imm = ~imm; | |
5381 | break; | |
5382 | case 15: | |
7d80fee5 PM |
5383 | if (invert) { |
5384 | return 1; | |
5385 | } | |
9ee6e8bb PB |
5386 | imm = ((imm & 0x80) << 24) | ((imm & 0x3f) << 19) |
5387 | | ((imm & 0x40) ? (0x1f << 25) : (1 << 30)); | |
5388 | break; | |
5389 | } | |
5390 | if (invert) | |
5391 | imm = ~imm; | |
5392 | ||
9ee6e8bb PB |
5393 | for (pass = 0; pass < (q ? 4 : 2); pass++) { |
5394 | if (op & 1 && op < 12) { | |
ad69471c | 5395 | tmp = neon_load_reg(rd, pass); |
9ee6e8bb PB |
5396 | if (invert) { |
5397 | /* The immediate value has already been inverted, so | |
5398 | BIC becomes AND. */ | |
ad69471c | 5399 | tcg_gen_andi_i32(tmp, tmp, imm); |
9ee6e8bb | 5400 | } else { |
ad69471c | 5401 | tcg_gen_ori_i32(tmp, tmp, imm); |
9ee6e8bb | 5402 | } |
9ee6e8bb | 5403 | } else { |
ad69471c | 5404 | /* VMOV, VMVN. */ |
7d1b0095 | 5405 | tmp = tcg_temp_new_i32(); |
9ee6e8bb | 5406 | if (op == 14 && invert) { |
a5a14945 | 5407 | int n; |
ad69471c PB |
5408 | uint32_t val; |
5409 | val = 0; | |
9ee6e8bb PB |
5410 | for (n = 0; n < 4; n++) { |
5411 | if (imm & (1 << (n + (pass & 1) * 4))) | |
ad69471c | 5412 | val |= 0xff << (n * 8); |
9ee6e8bb | 5413 | } |
ad69471c PB |
5414 | tcg_gen_movi_i32(tmp, val); |
5415 | } else { | |
5416 | tcg_gen_movi_i32(tmp, imm); | |
9ee6e8bb | 5417 | } |
9ee6e8bb | 5418 | } |
ad69471c | 5419 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb PB |
5420 | } |
5421 | } | |
e4b3861d | 5422 | } else { /* (insn & 0x00800010 == 0x00800000) */ |
9ee6e8bb PB |
5423 | if (size != 3) { |
5424 | op = (insn >> 8) & 0xf; | |
5425 | if ((insn & (1 << 6)) == 0) { | |
5426 | /* Three registers of different lengths. */ | |
5427 | int src1_wide; | |
5428 | int src2_wide; | |
5429 | int prewiden; | |
695272dc PM |
5430 | /* undefreq: bit 0 : UNDEF if size != 0 |
5431 | * bit 1 : UNDEF if size == 0 | |
5432 | * bit 2 : UNDEF if U == 1 | |
5433 | * Note that [1:0] set implies 'always UNDEF' | |
5434 | */ | |
5435 | int undefreq; | |
5436 | /* prewiden, src1_wide, src2_wide, undefreq */ | |
5437 | static const int neon_3reg_wide[16][4] = { | |
5438 | {1, 0, 0, 0}, /* VADDL */ | |
5439 | {1, 1, 0, 0}, /* VADDW */ | |
5440 | {1, 0, 0, 0}, /* VSUBL */ | |
5441 | {1, 1, 0, 0}, /* VSUBW */ | |
5442 | {0, 1, 1, 0}, /* VADDHN */ | |
5443 | {0, 0, 0, 0}, /* VABAL */ | |
5444 | {0, 1, 1, 0}, /* VSUBHN */ | |
5445 | {0, 0, 0, 0}, /* VABDL */ | |
5446 | {0, 0, 0, 0}, /* VMLAL */ | |
5447 | {0, 0, 0, 6}, /* VQDMLAL */ | |
5448 | {0, 0, 0, 0}, /* VMLSL */ | |
5449 | {0, 0, 0, 6}, /* VQDMLSL */ | |
5450 | {0, 0, 0, 0}, /* Integer VMULL */ | |
5451 | {0, 0, 0, 2}, /* VQDMULL */ | |
5452 | {0, 0, 0, 5}, /* Polynomial VMULL */ | |
5453 | {0, 0, 0, 3}, /* Reserved: always UNDEF */ | |
9ee6e8bb PB |
5454 | }; |
5455 | ||
5456 | prewiden = neon_3reg_wide[op][0]; | |
5457 | src1_wide = neon_3reg_wide[op][1]; | |
5458 | src2_wide = neon_3reg_wide[op][2]; | |
695272dc | 5459 | undefreq = neon_3reg_wide[op][3]; |
9ee6e8bb | 5460 | |
695272dc PM |
5461 | if (((undefreq & 1) && (size != 0)) || |
5462 | ((undefreq & 2) && (size == 0)) || | |
5463 | ((undefreq & 4) && u)) { | |
5464 | return 1; | |
5465 | } | |
5466 | if ((src1_wide && (rn & 1)) || | |
5467 | (src2_wide && (rm & 1)) || | |
5468 | (!src2_wide && (rd & 1))) { | |
ad69471c | 5469 | return 1; |
695272dc | 5470 | } |
ad69471c | 5471 | |
9ee6e8bb PB |
5472 | /* Avoid overlapping operands. Wide source operands are |
5473 | always aligned so will never overlap with wide | |
5474 | destinations in problematic ways. */ | |
8f8e3aa4 | 5475 | if (rd == rm && !src2_wide) { |
dd8fbd78 FN |
5476 | tmp = neon_load_reg(rm, 1); |
5477 | neon_store_scratch(2, tmp); | |
8f8e3aa4 | 5478 | } else if (rd == rn && !src1_wide) { |
dd8fbd78 FN |
5479 | tmp = neon_load_reg(rn, 1); |
5480 | neon_store_scratch(2, tmp); | |
9ee6e8bb | 5481 | } |
a50f5b91 | 5482 | TCGV_UNUSED(tmp3); |
9ee6e8bb | 5483 | for (pass = 0; pass < 2; pass++) { |
ad69471c PB |
5484 | if (src1_wide) { |
5485 | neon_load_reg64(cpu_V0, rn + pass); | |
a50f5b91 | 5486 | TCGV_UNUSED(tmp); |
9ee6e8bb | 5487 | } else { |
ad69471c | 5488 | if (pass == 1 && rd == rn) { |
dd8fbd78 | 5489 | tmp = neon_load_scratch(2); |
9ee6e8bb | 5490 | } else { |
ad69471c PB |
5491 | tmp = neon_load_reg(rn, pass); |
5492 | } | |
5493 | if (prewiden) { | |
5494 | gen_neon_widen(cpu_V0, tmp, size, u); | |
9ee6e8bb PB |
5495 | } |
5496 | } | |
ad69471c PB |
5497 | if (src2_wide) { |
5498 | neon_load_reg64(cpu_V1, rm + pass); | |
a50f5b91 | 5499 | TCGV_UNUSED(tmp2); |
9ee6e8bb | 5500 | } else { |
ad69471c | 5501 | if (pass == 1 && rd == rm) { |
dd8fbd78 | 5502 | tmp2 = neon_load_scratch(2); |
9ee6e8bb | 5503 | } else { |
ad69471c PB |
5504 | tmp2 = neon_load_reg(rm, pass); |
5505 | } | |
5506 | if (prewiden) { | |
5507 | gen_neon_widen(cpu_V1, tmp2, size, u); | |
9ee6e8bb | 5508 | } |
9ee6e8bb PB |
5509 | } |
5510 | switch (op) { | |
5511 | case 0: case 1: case 4: /* VADDL, VADDW, VADDHN, VRADDHN */ | |
ad69471c | 5512 | gen_neon_addl(size); |
9ee6e8bb | 5513 | break; |
79b0e534 | 5514 | case 2: case 3: case 6: /* VSUBL, VSUBW, VSUBHN, VRSUBHN */ |
ad69471c | 5515 | gen_neon_subl(size); |
9ee6e8bb PB |
5516 | break; |
5517 | case 5: case 7: /* VABAL, VABDL */ | |
5518 | switch ((size << 1) | u) { | |
ad69471c PB |
5519 | case 0: |
5520 | gen_helper_neon_abdl_s16(cpu_V0, tmp, tmp2); | |
5521 | break; | |
5522 | case 1: | |
5523 | gen_helper_neon_abdl_u16(cpu_V0, tmp, tmp2); | |
5524 | break; | |
5525 | case 2: | |
5526 | gen_helper_neon_abdl_s32(cpu_V0, tmp, tmp2); | |
5527 | break; | |
5528 | case 3: | |
5529 | gen_helper_neon_abdl_u32(cpu_V0, tmp, tmp2); | |
5530 | break; | |
5531 | case 4: | |
5532 | gen_helper_neon_abdl_s64(cpu_V0, tmp, tmp2); | |
5533 | break; | |
5534 | case 5: | |
5535 | gen_helper_neon_abdl_u64(cpu_V0, tmp, tmp2); | |
5536 | break; | |
9ee6e8bb PB |
5537 | default: abort(); |
5538 | } | |
7d1b0095 PM |
5539 | tcg_temp_free_i32(tmp2); |
5540 | tcg_temp_free_i32(tmp); | |
9ee6e8bb PB |
5541 | break; |
5542 | case 8: case 9: case 10: case 11: case 12: case 13: | |
5543 | /* VMLAL, VQDMLAL, VMLSL, VQDMLSL, VMULL, VQDMULL */ | |
ad69471c | 5544 | gen_neon_mull(cpu_V0, tmp, tmp2, size, u); |
9ee6e8bb PB |
5545 | break; |
5546 | case 14: /* Polynomial VMULL */ | |
e5ca24cb | 5547 | gen_helper_neon_mull_p8(cpu_V0, tmp, tmp2); |
7d1b0095 PM |
5548 | tcg_temp_free_i32(tmp2); |
5549 | tcg_temp_free_i32(tmp); | |
e5ca24cb | 5550 | break; |
695272dc PM |
5551 | default: /* 15 is RESERVED: caught earlier */ |
5552 | abort(); | |
9ee6e8bb | 5553 | } |
ebcd88ce PM |
5554 | if (op == 13) { |
5555 | /* VQDMULL */ | |
5556 | gen_neon_addl_saturate(cpu_V0, cpu_V0, size); | |
5557 | neon_store_reg64(cpu_V0, rd + pass); | |
5558 | } else if (op == 5 || (op >= 8 && op <= 11)) { | |
9ee6e8bb | 5559 | /* Accumulate. */ |
ebcd88ce | 5560 | neon_load_reg64(cpu_V1, rd + pass); |
9ee6e8bb | 5561 | switch (op) { |
4dc064e6 PM |
5562 | case 10: /* VMLSL */ |
5563 | gen_neon_negl(cpu_V0, size); | |
5564 | /* Fall through */ | |
5565 | case 5: case 8: /* VABAL, VMLAL */ | |
ad69471c | 5566 | gen_neon_addl(size); |
9ee6e8bb PB |
5567 | break; |
5568 | case 9: case 11: /* VQDMLAL, VQDMLSL */ | |
ad69471c | 5569 | gen_neon_addl_saturate(cpu_V0, cpu_V0, size); |
4dc064e6 PM |
5570 | if (op == 11) { |
5571 | gen_neon_negl(cpu_V0, size); | |
5572 | } | |
ad69471c PB |
5573 | gen_neon_addl_saturate(cpu_V0, cpu_V1, size); |
5574 | break; | |
9ee6e8bb PB |
5575 | default: |
5576 | abort(); | |
5577 | } | |
ad69471c | 5578 | neon_store_reg64(cpu_V0, rd + pass); |
9ee6e8bb PB |
5579 | } else if (op == 4 || op == 6) { |
5580 | /* Narrowing operation. */ | |
7d1b0095 | 5581 | tmp = tcg_temp_new_i32(); |
79b0e534 | 5582 | if (!u) { |
9ee6e8bb | 5583 | switch (size) { |
ad69471c PB |
5584 | case 0: |
5585 | gen_helper_neon_narrow_high_u8(tmp, cpu_V0); | |
5586 | break; | |
5587 | case 1: | |
5588 | gen_helper_neon_narrow_high_u16(tmp, cpu_V0); | |
5589 | break; | |
5590 | case 2: | |
5591 | tcg_gen_shri_i64(cpu_V0, cpu_V0, 32); | |
5592 | tcg_gen_trunc_i64_i32(tmp, cpu_V0); | |
5593 | break; | |
9ee6e8bb PB |
5594 | default: abort(); |
5595 | } | |
5596 | } else { | |
5597 | switch (size) { | |
ad69471c PB |
5598 | case 0: |
5599 | gen_helper_neon_narrow_round_high_u8(tmp, cpu_V0); | |
5600 | break; | |
5601 | case 1: | |
5602 | gen_helper_neon_narrow_round_high_u16(tmp, cpu_V0); | |
5603 | break; | |
5604 | case 2: | |
5605 | tcg_gen_addi_i64(cpu_V0, cpu_V0, 1u << 31); | |
5606 | tcg_gen_shri_i64(cpu_V0, cpu_V0, 32); | |
5607 | tcg_gen_trunc_i64_i32(tmp, cpu_V0); | |
5608 | break; | |
9ee6e8bb PB |
5609 | default: abort(); |
5610 | } | |
5611 | } | |
ad69471c PB |
5612 | if (pass == 0) { |
5613 | tmp3 = tmp; | |
5614 | } else { | |
5615 | neon_store_reg(rd, 0, tmp3); | |
5616 | neon_store_reg(rd, 1, tmp); | |
5617 | } | |
9ee6e8bb PB |
5618 | } else { |
5619 | /* Write back the result. */ | |
ad69471c | 5620 | neon_store_reg64(cpu_V0, rd + pass); |
9ee6e8bb PB |
5621 | } |
5622 | } | |
5623 | } else { | |
3e3326df PM |
5624 | /* Two registers and a scalar. NB that for ops of this form |
5625 | * the ARM ARM labels bit 24 as Q, but it is in our variable | |
5626 | * 'u', not 'q'. | |
5627 | */ | |
5628 | if (size == 0) { | |
5629 | return 1; | |
5630 | } | |
9ee6e8bb | 5631 | switch (op) { |
9ee6e8bb | 5632 | case 1: /* Float VMLA scalar */ |
9ee6e8bb | 5633 | case 5: /* Floating point VMLS scalar */ |
9ee6e8bb | 5634 | case 9: /* Floating point VMUL scalar */ |
3e3326df PM |
5635 | if (size == 1) { |
5636 | return 1; | |
5637 | } | |
5638 | /* fall through */ | |
5639 | case 0: /* Integer VMLA scalar */ | |
5640 | case 4: /* Integer VMLS scalar */ | |
5641 | case 8: /* Integer VMUL scalar */ | |
9ee6e8bb PB |
5642 | case 12: /* VQDMULH scalar */ |
5643 | case 13: /* VQRDMULH scalar */ | |
3e3326df PM |
5644 | if (u && ((rd | rn) & 1)) { |
5645 | return 1; | |
5646 | } | |
dd8fbd78 FN |
5647 | tmp = neon_get_scalar(size, rm); |
5648 | neon_store_scratch(0, tmp); | |
9ee6e8bb | 5649 | for (pass = 0; pass < (u ? 4 : 2); pass++) { |
dd8fbd78 FN |
5650 | tmp = neon_load_scratch(0); |
5651 | tmp2 = neon_load_reg(rn, pass); | |
9ee6e8bb PB |
5652 | if (op == 12) { |
5653 | if (size == 1) { | |
02da0b2d | 5654 | gen_helper_neon_qdmulh_s16(tmp, cpu_env, tmp, tmp2); |
9ee6e8bb | 5655 | } else { |
02da0b2d | 5656 | gen_helper_neon_qdmulh_s32(tmp, cpu_env, tmp, tmp2); |
9ee6e8bb PB |
5657 | } |
5658 | } else if (op == 13) { | |
5659 | if (size == 1) { | |
02da0b2d | 5660 | gen_helper_neon_qrdmulh_s16(tmp, cpu_env, tmp, tmp2); |
9ee6e8bb | 5661 | } else { |
02da0b2d | 5662 | gen_helper_neon_qrdmulh_s32(tmp, cpu_env, tmp, tmp2); |
9ee6e8bb PB |
5663 | } |
5664 | } else if (op & 1) { | |
aa47cfdd PM |
5665 | TCGv_ptr fpstatus = get_fpstatus_ptr(1); |
5666 | gen_helper_vfp_muls(tmp, tmp, tmp2, fpstatus); | |
5667 | tcg_temp_free_ptr(fpstatus); | |
9ee6e8bb PB |
5668 | } else { |
5669 | switch (size) { | |
dd8fbd78 FN |
5670 | case 0: gen_helper_neon_mul_u8(tmp, tmp, tmp2); break; |
5671 | case 1: gen_helper_neon_mul_u16(tmp, tmp, tmp2); break; | |
5672 | case 2: tcg_gen_mul_i32(tmp, tmp, tmp2); break; | |
3e3326df | 5673 | default: abort(); |
9ee6e8bb PB |
5674 | } |
5675 | } | |
7d1b0095 | 5676 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
5677 | if (op < 8) { |
5678 | /* Accumulate. */ | |
dd8fbd78 | 5679 | tmp2 = neon_load_reg(rd, pass); |
9ee6e8bb PB |
5680 | switch (op) { |
5681 | case 0: | |
dd8fbd78 | 5682 | gen_neon_add(size, tmp, tmp2); |
9ee6e8bb PB |
5683 | break; |
5684 | case 1: | |
aa47cfdd PM |
5685 | { |
5686 | TCGv_ptr fpstatus = get_fpstatus_ptr(1); | |
5687 | gen_helper_vfp_adds(tmp, tmp, tmp2, fpstatus); | |
5688 | tcg_temp_free_ptr(fpstatus); | |
9ee6e8bb | 5689 | break; |
aa47cfdd | 5690 | } |
9ee6e8bb | 5691 | case 4: |
dd8fbd78 | 5692 | gen_neon_rsb(size, tmp, tmp2); |
9ee6e8bb PB |
5693 | break; |
5694 | case 5: | |
aa47cfdd PM |
5695 | { |
5696 | TCGv_ptr fpstatus = get_fpstatus_ptr(1); | |
5697 | gen_helper_vfp_subs(tmp, tmp2, tmp, fpstatus); | |
5698 | tcg_temp_free_ptr(fpstatus); | |
9ee6e8bb | 5699 | break; |
aa47cfdd | 5700 | } |
9ee6e8bb PB |
5701 | default: |
5702 | abort(); | |
5703 | } | |
7d1b0095 | 5704 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 5705 | } |
dd8fbd78 | 5706 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb PB |
5707 | } |
5708 | break; | |
9ee6e8bb | 5709 | case 3: /* VQDMLAL scalar */ |
9ee6e8bb | 5710 | case 7: /* VQDMLSL scalar */ |
9ee6e8bb | 5711 | case 11: /* VQDMULL scalar */ |
3e3326df | 5712 | if (u == 1) { |
ad69471c | 5713 | return 1; |
3e3326df PM |
5714 | } |
5715 | /* fall through */ | |
5716 | case 2: /* VMLAL sclar */ | |
5717 | case 6: /* VMLSL scalar */ | |
5718 | case 10: /* VMULL scalar */ | |
5719 | if (rd & 1) { | |
5720 | return 1; | |
5721 | } | |
dd8fbd78 | 5722 | tmp2 = neon_get_scalar(size, rm); |
c6067f04 CL |
5723 | /* We need a copy of tmp2 because gen_neon_mull |
5724 | * deletes it during pass 0. */ | |
7d1b0095 | 5725 | tmp4 = tcg_temp_new_i32(); |
c6067f04 | 5726 | tcg_gen_mov_i32(tmp4, tmp2); |
dd8fbd78 | 5727 | tmp3 = neon_load_reg(rn, 1); |
ad69471c | 5728 | |
9ee6e8bb | 5729 | for (pass = 0; pass < 2; pass++) { |
ad69471c PB |
5730 | if (pass == 0) { |
5731 | tmp = neon_load_reg(rn, 0); | |
9ee6e8bb | 5732 | } else { |
dd8fbd78 | 5733 | tmp = tmp3; |
c6067f04 | 5734 | tmp2 = tmp4; |
9ee6e8bb | 5735 | } |
ad69471c | 5736 | gen_neon_mull(cpu_V0, tmp, tmp2, size, u); |
ad69471c PB |
5737 | if (op != 11) { |
5738 | neon_load_reg64(cpu_V1, rd + pass); | |
9ee6e8bb | 5739 | } |
9ee6e8bb | 5740 | switch (op) { |
4dc064e6 PM |
5741 | case 6: |
5742 | gen_neon_negl(cpu_V0, size); | |
5743 | /* Fall through */ | |
5744 | case 2: | |
ad69471c | 5745 | gen_neon_addl(size); |
9ee6e8bb PB |
5746 | break; |
5747 | case 3: case 7: | |
ad69471c | 5748 | gen_neon_addl_saturate(cpu_V0, cpu_V0, size); |
4dc064e6 PM |
5749 | if (op == 7) { |
5750 | gen_neon_negl(cpu_V0, size); | |
5751 | } | |
ad69471c | 5752 | gen_neon_addl_saturate(cpu_V0, cpu_V1, size); |
9ee6e8bb PB |
5753 | break; |
5754 | case 10: | |
5755 | /* no-op */ | |
5756 | break; | |
5757 | case 11: | |
ad69471c | 5758 | gen_neon_addl_saturate(cpu_V0, cpu_V0, size); |
9ee6e8bb PB |
5759 | break; |
5760 | default: | |
5761 | abort(); | |
5762 | } | |
ad69471c | 5763 | neon_store_reg64(cpu_V0, rd + pass); |
9ee6e8bb | 5764 | } |
dd8fbd78 | 5765 | |
dd8fbd78 | 5766 | |
9ee6e8bb PB |
5767 | break; |
5768 | default: /* 14 and 15 are RESERVED */ | |
5769 | return 1; | |
5770 | } | |
5771 | } | |
5772 | } else { /* size == 3 */ | |
5773 | if (!u) { | |
5774 | /* Extract. */ | |
9ee6e8bb | 5775 | imm = (insn >> 8) & 0xf; |
ad69471c PB |
5776 | |
5777 | if (imm > 7 && !q) | |
5778 | return 1; | |
5779 | ||
52579ea1 PM |
5780 | if (q && ((rd | rn | rm) & 1)) { |
5781 | return 1; | |
5782 | } | |
5783 | ||
ad69471c PB |
5784 | if (imm == 0) { |
5785 | neon_load_reg64(cpu_V0, rn); | |
5786 | if (q) { | |
5787 | neon_load_reg64(cpu_V1, rn + 1); | |
9ee6e8bb | 5788 | } |
ad69471c PB |
5789 | } else if (imm == 8) { |
5790 | neon_load_reg64(cpu_V0, rn + 1); | |
5791 | if (q) { | |
5792 | neon_load_reg64(cpu_V1, rm); | |
9ee6e8bb | 5793 | } |
ad69471c | 5794 | } else if (q) { |
a7812ae4 | 5795 | tmp64 = tcg_temp_new_i64(); |
ad69471c PB |
5796 | if (imm < 8) { |
5797 | neon_load_reg64(cpu_V0, rn); | |
a7812ae4 | 5798 | neon_load_reg64(tmp64, rn + 1); |
ad69471c PB |
5799 | } else { |
5800 | neon_load_reg64(cpu_V0, rn + 1); | |
a7812ae4 | 5801 | neon_load_reg64(tmp64, rm); |
ad69471c PB |
5802 | } |
5803 | tcg_gen_shri_i64(cpu_V0, cpu_V0, (imm & 7) * 8); | |
a7812ae4 | 5804 | tcg_gen_shli_i64(cpu_V1, tmp64, 64 - ((imm & 7) * 8)); |
ad69471c PB |
5805 | tcg_gen_or_i64(cpu_V0, cpu_V0, cpu_V1); |
5806 | if (imm < 8) { | |
5807 | neon_load_reg64(cpu_V1, rm); | |
9ee6e8bb | 5808 | } else { |
ad69471c PB |
5809 | neon_load_reg64(cpu_V1, rm + 1); |
5810 | imm -= 8; | |
9ee6e8bb | 5811 | } |
ad69471c | 5812 | tcg_gen_shli_i64(cpu_V1, cpu_V1, 64 - (imm * 8)); |
a7812ae4 PB |
5813 | tcg_gen_shri_i64(tmp64, tmp64, imm * 8); |
5814 | tcg_gen_or_i64(cpu_V1, cpu_V1, tmp64); | |
b75263d6 | 5815 | tcg_temp_free_i64(tmp64); |
ad69471c | 5816 | } else { |
a7812ae4 | 5817 | /* BUGFIX */ |
ad69471c | 5818 | neon_load_reg64(cpu_V0, rn); |
a7812ae4 | 5819 | tcg_gen_shri_i64(cpu_V0, cpu_V0, imm * 8); |
ad69471c | 5820 | neon_load_reg64(cpu_V1, rm); |
a7812ae4 | 5821 | tcg_gen_shli_i64(cpu_V1, cpu_V1, 64 - (imm * 8)); |
ad69471c PB |
5822 | tcg_gen_or_i64(cpu_V0, cpu_V0, cpu_V1); |
5823 | } | |
5824 | neon_store_reg64(cpu_V0, rd); | |
5825 | if (q) { | |
5826 | neon_store_reg64(cpu_V1, rd + 1); | |
9ee6e8bb PB |
5827 | } |
5828 | } else if ((insn & (1 << 11)) == 0) { | |
5829 | /* Two register misc. */ | |
5830 | op = ((insn >> 12) & 0x30) | ((insn >> 7) & 0xf); | |
5831 | size = (insn >> 18) & 3; | |
600b828c PM |
5832 | /* UNDEF for unknown op values and bad op-size combinations */ |
5833 | if ((neon_2rm_sizes[op] & (1 << size)) == 0) { | |
5834 | return 1; | |
5835 | } | |
fc2a9b37 PM |
5836 | if ((op != NEON_2RM_VMOVN && op != NEON_2RM_VQMOVN) && |
5837 | q && ((rm | rd) & 1)) { | |
5838 | return 1; | |
5839 | } | |
9ee6e8bb | 5840 | switch (op) { |
600b828c | 5841 | case NEON_2RM_VREV64: |
9ee6e8bb | 5842 | for (pass = 0; pass < (q ? 2 : 1); pass++) { |
dd8fbd78 FN |
5843 | tmp = neon_load_reg(rm, pass * 2); |
5844 | tmp2 = neon_load_reg(rm, pass * 2 + 1); | |
9ee6e8bb | 5845 | switch (size) { |
dd8fbd78 FN |
5846 | case 0: tcg_gen_bswap32_i32(tmp, tmp); break; |
5847 | case 1: gen_swap_half(tmp); break; | |
9ee6e8bb PB |
5848 | case 2: /* no-op */ break; |
5849 | default: abort(); | |
5850 | } | |
dd8fbd78 | 5851 | neon_store_reg(rd, pass * 2 + 1, tmp); |
9ee6e8bb | 5852 | if (size == 2) { |
dd8fbd78 | 5853 | neon_store_reg(rd, pass * 2, tmp2); |
9ee6e8bb | 5854 | } else { |
9ee6e8bb | 5855 | switch (size) { |
dd8fbd78 FN |
5856 | case 0: tcg_gen_bswap32_i32(tmp2, tmp2); break; |
5857 | case 1: gen_swap_half(tmp2); break; | |
9ee6e8bb PB |
5858 | default: abort(); |
5859 | } | |
dd8fbd78 | 5860 | neon_store_reg(rd, pass * 2, tmp2); |
9ee6e8bb PB |
5861 | } |
5862 | } | |
5863 | break; | |
600b828c PM |
5864 | case NEON_2RM_VPADDL: case NEON_2RM_VPADDL_U: |
5865 | case NEON_2RM_VPADAL: case NEON_2RM_VPADAL_U: | |
ad69471c PB |
5866 | for (pass = 0; pass < q + 1; pass++) { |
5867 | tmp = neon_load_reg(rm, pass * 2); | |
5868 | gen_neon_widen(cpu_V0, tmp, size, op & 1); | |
5869 | tmp = neon_load_reg(rm, pass * 2 + 1); | |
5870 | gen_neon_widen(cpu_V1, tmp, size, op & 1); | |
5871 | switch (size) { | |
5872 | case 0: gen_helper_neon_paddl_u16(CPU_V001); break; | |
5873 | case 1: gen_helper_neon_paddl_u32(CPU_V001); break; | |
5874 | case 2: tcg_gen_add_i64(CPU_V001); break; | |
5875 | default: abort(); | |
5876 | } | |
600b828c | 5877 | if (op >= NEON_2RM_VPADAL) { |
9ee6e8bb | 5878 | /* Accumulate. */ |
ad69471c PB |
5879 | neon_load_reg64(cpu_V1, rd + pass); |
5880 | gen_neon_addl(size); | |
9ee6e8bb | 5881 | } |
ad69471c | 5882 | neon_store_reg64(cpu_V0, rd + pass); |
9ee6e8bb PB |
5883 | } |
5884 | break; | |
600b828c | 5885 | case NEON_2RM_VTRN: |
9ee6e8bb | 5886 | if (size == 2) { |
a5a14945 | 5887 | int n; |
9ee6e8bb | 5888 | for (n = 0; n < (q ? 4 : 2); n += 2) { |
dd8fbd78 FN |
5889 | tmp = neon_load_reg(rm, n); |
5890 | tmp2 = neon_load_reg(rd, n + 1); | |
5891 | neon_store_reg(rm, n, tmp2); | |
5892 | neon_store_reg(rd, n + 1, tmp); | |
9ee6e8bb PB |
5893 | } |
5894 | } else { | |
5895 | goto elementwise; | |
5896 | } | |
5897 | break; | |
600b828c | 5898 | case NEON_2RM_VUZP: |
02acedf9 | 5899 | if (gen_neon_unzip(rd, rm, size, q)) { |
9ee6e8bb | 5900 | return 1; |
9ee6e8bb PB |
5901 | } |
5902 | break; | |
600b828c | 5903 | case NEON_2RM_VZIP: |
d68a6f3a | 5904 | if (gen_neon_zip(rd, rm, size, q)) { |
9ee6e8bb | 5905 | return 1; |
9ee6e8bb PB |
5906 | } |
5907 | break; | |
600b828c PM |
5908 | case NEON_2RM_VMOVN: case NEON_2RM_VQMOVN: |
5909 | /* also VQMOVUN; op field and mnemonics don't line up */ | |
fc2a9b37 PM |
5910 | if (rm & 1) { |
5911 | return 1; | |
5912 | } | |
a50f5b91 | 5913 | TCGV_UNUSED(tmp2); |
9ee6e8bb | 5914 | for (pass = 0; pass < 2; pass++) { |
ad69471c | 5915 | neon_load_reg64(cpu_V0, rm + pass); |
7d1b0095 | 5916 | tmp = tcg_temp_new_i32(); |
600b828c PM |
5917 | gen_neon_narrow_op(op == NEON_2RM_VMOVN, q, size, |
5918 | tmp, cpu_V0); | |
ad69471c PB |
5919 | if (pass == 0) { |
5920 | tmp2 = tmp; | |
5921 | } else { | |
5922 | neon_store_reg(rd, 0, tmp2); | |
5923 | neon_store_reg(rd, 1, tmp); | |
9ee6e8bb | 5924 | } |
9ee6e8bb PB |
5925 | } |
5926 | break; | |
600b828c | 5927 | case NEON_2RM_VSHLL: |
fc2a9b37 | 5928 | if (q || (rd & 1)) { |
9ee6e8bb | 5929 | return 1; |
600b828c | 5930 | } |
ad69471c PB |
5931 | tmp = neon_load_reg(rm, 0); |
5932 | tmp2 = neon_load_reg(rm, 1); | |
9ee6e8bb | 5933 | for (pass = 0; pass < 2; pass++) { |
ad69471c PB |
5934 | if (pass == 1) |
5935 | tmp = tmp2; | |
5936 | gen_neon_widen(cpu_V0, tmp, size, 1); | |
30d11a2a | 5937 | tcg_gen_shli_i64(cpu_V0, cpu_V0, 8 << size); |
ad69471c | 5938 | neon_store_reg64(cpu_V0, rd + pass); |
9ee6e8bb PB |
5939 | } |
5940 | break; | |
600b828c | 5941 | case NEON_2RM_VCVT_F16_F32: |
fc2a9b37 PM |
5942 | if (!arm_feature(env, ARM_FEATURE_VFP_FP16) || |
5943 | q || (rm & 1)) { | |
5944 | return 1; | |
5945 | } | |
7d1b0095 PM |
5946 | tmp = tcg_temp_new_i32(); |
5947 | tmp2 = tcg_temp_new_i32(); | |
60011498 | 5948 | tcg_gen_ld_f32(cpu_F0s, cpu_env, neon_reg_offset(rm, 0)); |
2d981da7 | 5949 | gen_helper_neon_fcvt_f32_to_f16(tmp, cpu_F0s, cpu_env); |
60011498 | 5950 | tcg_gen_ld_f32(cpu_F0s, cpu_env, neon_reg_offset(rm, 1)); |
2d981da7 | 5951 | gen_helper_neon_fcvt_f32_to_f16(tmp2, cpu_F0s, cpu_env); |
60011498 PB |
5952 | tcg_gen_shli_i32(tmp2, tmp2, 16); |
5953 | tcg_gen_or_i32(tmp2, tmp2, tmp); | |
5954 | tcg_gen_ld_f32(cpu_F0s, cpu_env, neon_reg_offset(rm, 2)); | |
2d981da7 | 5955 | gen_helper_neon_fcvt_f32_to_f16(tmp, cpu_F0s, cpu_env); |
60011498 PB |
5956 | tcg_gen_ld_f32(cpu_F0s, cpu_env, neon_reg_offset(rm, 3)); |
5957 | neon_store_reg(rd, 0, tmp2); | |
7d1b0095 | 5958 | tmp2 = tcg_temp_new_i32(); |
2d981da7 | 5959 | gen_helper_neon_fcvt_f32_to_f16(tmp2, cpu_F0s, cpu_env); |
60011498 PB |
5960 | tcg_gen_shli_i32(tmp2, tmp2, 16); |
5961 | tcg_gen_or_i32(tmp2, tmp2, tmp); | |
5962 | neon_store_reg(rd, 1, tmp2); | |
7d1b0095 | 5963 | tcg_temp_free_i32(tmp); |
60011498 | 5964 | break; |
600b828c | 5965 | case NEON_2RM_VCVT_F32_F16: |
fc2a9b37 PM |
5966 | if (!arm_feature(env, ARM_FEATURE_VFP_FP16) || |
5967 | q || (rd & 1)) { | |
5968 | return 1; | |
5969 | } | |
7d1b0095 | 5970 | tmp3 = tcg_temp_new_i32(); |
60011498 PB |
5971 | tmp = neon_load_reg(rm, 0); |
5972 | tmp2 = neon_load_reg(rm, 1); | |
5973 | tcg_gen_ext16u_i32(tmp3, tmp); | |
2d981da7 | 5974 | gen_helper_neon_fcvt_f16_to_f32(cpu_F0s, tmp3, cpu_env); |
60011498 PB |
5975 | tcg_gen_st_f32(cpu_F0s, cpu_env, neon_reg_offset(rd, 0)); |
5976 | tcg_gen_shri_i32(tmp3, tmp, 16); | |
2d981da7 | 5977 | gen_helper_neon_fcvt_f16_to_f32(cpu_F0s, tmp3, cpu_env); |
60011498 | 5978 | tcg_gen_st_f32(cpu_F0s, cpu_env, neon_reg_offset(rd, 1)); |
7d1b0095 | 5979 | tcg_temp_free_i32(tmp); |
60011498 | 5980 | tcg_gen_ext16u_i32(tmp3, tmp2); |
2d981da7 | 5981 | gen_helper_neon_fcvt_f16_to_f32(cpu_F0s, tmp3, cpu_env); |
60011498 PB |
5982 | tcg_gen_st_f32(cpu_F0s, cpu_env, neon_reg_offset(rd, 2)); |
5983 | tcg_gen_shri_i32(tmp3, tmp2, 16); | |
2d981da7 | 5984 | gen_helper_neon_fcvt_f16_to_f32(cpu_F0s, tmp3, cpu_env); |
60011498 | 5985 | tcg_gen_st_f32(cpu_F0s, cpu_env, neon_reg_offset(rd, 3)); |
7d1b0095 PM |
5986 | tcg_temp_free_i32(tmp2); |
5987 | tcg_temp_free_i32(tmp3); | |
60011498 | 5988 | break; |
9ee6e8bb PB |
5989 | default: |
5990 | elementwise: | |
5991 | for (pass = 0; pass < (q ? 4 : 2); pass++) { | |
600b828c | 5992 | if (neon_2rm_is_float_op(op)) { |
4373f3ce PB |
5993 | tcg_gen_ld_f32(cpu_F0s, cpu_env, |
5994 | neon_reg_offset(rm, pass)); | |
dd8fbd78 | 5995 | TCGV_UNUSED(tmp); |
9ee6e8bb | 5996 | } else { |
dd8fbd78 | 5997 | tmp = neon_load_reg(rm, pass); |
9ee6e8bb PB |
5998 | } |
5999 | switch (op) { | |
600b828c | 6000 | case NEON_2RM_VREV32: |
9ee6e8bb | 6001 | switch (size) { |
dd8fbd78 FN |
6002 | case 0: tcg_gen_bswap32_i32(tmp, tmp); break; |
6003 | case 1: gen_swap_half(tmp); break; | |
600b828c | 6004 | default: abort(); |
9ee6e8bb PB |
6005 | } |
6006 | break; | |
600b828c | 6007 | case NEON_2RM_VREV16: |
dd8fbd78 | 6008 | gen_rev16(tmp); |
9ee6e8bb | 6009 | break; |
600b828c | 6010 | case NEON_2RM_VCLS: |
9ee6e8bb | 6011 | switch (size) { |
dd8fbd78 FN |
6012 | case 0: gen_helper_neon_cls_s8(tmp, tmp); break; |
6013 | case 1: gen_helper_neon_cls_s16(tmp, tmp); break; | |
6014 | case 2: gen_helper_neon_cls_s32(tmp, tmp); break; | |
600b828c | 6015 | default: abort(); |
9ee6e8bb PB |
6016 | } |
6017 | break; | |
600b828c | 6018 | case NEON_2RM_VCLZ: |
9ee6e8bb | 6019 | switch (size) { |
dd8fbd78 FN |
6020 | case 0: gen_helper_neon_clz_u8(tmp, tmp); break; |
6021 | case 1: gen_helper_neon_clz_u16(tmp, tmp); break; | |
6022 | case 2: gen_helper_clz(tmp, tmp); break; | |
600b828c | 6023 | default: abort(); |
9ee6e8bb PB |
6024 | } |
6025 | break; | |
600b828c | 6026 | case NEON_2RM_VCNT: |
dd8fbd78 | 6027 | gen_helper_neon_cnt_u8(tmp, tmp); |
9ee6e8bb | 6028 | break; |
600b828c | 6029 | case NEON_2RM_VMVN: |
dd8fbd78 | 6030 | tcg_gen_not_i32(tmp, tmp); |
9ee6e8bb | 6031 | break; |
600b828c | 6032 | case NEON_2RM_VQABS: |
9ee6e8bb | 6033 | switch (size) { |
02da0b2d PM |
6034 | case 0: |
6035 | gen_helper_neon_qabs_s8(tmp, cpu_env, tmp); | |
6036 | break; | |
6037 | case 1: | |
6038 | gen_helper_neon_qabs_s16(tmp, cpu_env, tmp); | |
6039 | break; | |
6040 | case 2: | |
6041 | gen_helper_neon_qabs_s32(tmp, cpu_env, tmp); | |
6042 | break; | |
600b828c | 6043 | default: abort(); |
9ee6e8bb PB |
6044 | } |
6045 | break; | |
600b828c | 6046 | case NEON_2RM_VQNEG: |
9ee6e8bb | 6047 | switch (size) { |
02da0b2d PM |
6048 | case 0: |
6049 | gen_helper_neon_qneg_s8(tmp, cpu_env, tmp); | |
6050 | break; | |
6051 | case 1: | |
6052 | gen_helper_neon_qneg_s16(tmp, cpu_env, tmp); | |
6053 | break; | |
6054 | case 2: | |
6055 | gen_helper_neon_qneg_s32(tmp, cpu_env, tmp); | |
6056 | break; | |
600b828c | 6057 | default: abort(); |
9ee6e8bb PB |
6058 | } |
6059 | break; | |
600b828c | 6060 | case NEON_2RM_VCGT0: case NEON_2RM_VCLE0: |
dd8fbd78 | 6061 | tmp2 = tcg_const_i32(0); |
9ee6e8bb | 6062 | switch(size) { |
dd8fbd78 FN |
6063 | case 0: gen_helper_neon_cgt_s8(tmp, tmp, tmp2); break; |
6064 | case 1: gen_helper_neon_cgt_s16(tmp, tmp, tmp2); break; | |
6065 | case 2: gen_helper_neon_cgt_s32(tmp, tmp, tmp2); break; | |
600b828c | 6066 | default: abort(); |
9ee6e8bb | 6067 | } |
dd8fbd78 | 6068 | tcg_temp_free(tmp2); |
600b828c | 6069 | if (op == NEON_2RM_VCLE0) { |
dd8fbd78 | 6070 | tcg_gen_not_i32(tmp, tmp); |
600b828c | 6071 | } |
9ee6e8bb | 6072 | break; |
600b828c | 6073 | case NEON_2RM_VCGE0: case NEON_2RM_VCLT0: |
dd8fbd78 | 6074 | tmp2 = tcg_const_i32(0); |
9ee6e8bb | 6075 | switch(size) { |
dd8fbd78 FN |
6076 | case 0: gen_helper_neon_cge_s8(tmp, tmp, tmp2); break; |
6077 | case 1: gen_helper_neon_cge_s16(tmp, tmp, tmp2); break; | |
6078 | case 2: gen_helper_neon_cge_s32(tmp, tmp, tmp2); break; | |
600b828c | 6079 | default: abort(); |
9ee6e8bb | 6080 | } |
dd8fbd78 | 6081 | tcg_temp_free(tmp2); |
600b828c | 6082 | if (op == NEON_2RM_VCLT0) { |
dd8fbd78 | 6083 | tcg_gen_not_i32(tmp, tmp); |
600b828c | 6084 | } |
9ee6e8bb | 6085 | break; |
600b828c | 6086 | case NEON_2RM_VCEQ0: |
dd8fbd78 | 6087 | tmp2 = tcg_const_i32(0); |
9ee6e8bb | 6088 | switch(size) { |
dd8fbd78 FN |
6089 | case 0: gen_helper_neon_ceq_u8(tmp, tmp, tmp2); break; |
6090 | case 1: gen_helper_neon_ceq_u16(tmp, tmp, tmp2); break; | |
6091 | case 2: gen_helper_neon_ceq_u32(tmp, tmp, tmp2); break; | |
600b828c | 6092 | default: abort(); |
9ee6e8bb | 6093 | } |
dd8fbd78 | 6094 | tcg_temp_free(tmp2); |
9ee6e8bb | 6095 | break; |
600b828c | 6096 | case NEON_2RM_VABS: |
9ee6e8bb | 6097 | switch(size) { |
dd8fbd78 FN |
6098 | case 0: gen_helper_neon_abs_s8(tmp, tmp); break; |
6099 | case 1: gen_helper_neon_abs_s16(tmp, tmp); break; | |
6100 | case 2: tcg_gen_abs_i32(tmp, tmp); break; | |
600b828c | 6101 | default: abort(); |
9ee6e8bb PB |
6102 | } |
6103 | break; | |
600b828c | 6104 | case NEON_2RM_VNEG: |
dd8fbd78 FN |
6105 | tmp2 = tcg_const_i32(0); |
6106 | gen_neon_rsb(size, tmp, tmp2); | |
6107 | tcg_temp_free(tmp2); | |
9ee6e8bb | 6108 | break; |
600b828c | 6109 | case NEON_2RM_VCGT0_F: |
aa47cfdd PM |
6110 | { |
6111 | TCGv_ptr fpstatus = get_fpstatus_ptr(1); | |
dd8fbd78 | 6112 | tmp2 = tcg_const_i32(0); |
aa47cfdd | 6113 | gen_helper_neon_cgt_f32(tmp, tmp, tmp2, fpstatus); |
dd8fbd78 | 6114 | tcg_temp_free(tmp2); |
aa47cfdd | 6115 | tcg_temp_free_ptr(fpstatus); |
9ee6e8bb | 6116 | break; |
aa47cfdd | 6117 | } |
600b828c | 6118 | case NEON_2RM_VCGE0_F: |
aa47cfdd PM |
6119 | { |
6120 | TCGv_ptr fpstatus = get_fpstatus_ptr(1); | |
dd8fbd78 | 6121 | tmp2 = tcg_const_i32(0); |
aa47cfdd | 6122 | gen_helper_neon_cge_f32(tmp, tmp, tmp2, fpstatus); |
dd8fbd78 | 6123 | tcg_temp_free(tmp2); |
aa47cfdd | 6124 | tcg_temp_free_ptr(fpstatus); |
9ee6e8bb | 6125 | break; |
aa47cfdd | 6126 | } |
600b828c | 6127 | case NEON_2RM_VCEQ0_F: |
aa47cfdd PM |
6128 | { |
6129 | TCGv_ptr fpstatus = get_fpstatus_ptr(1); | |
dd8fbd78 | 6130 | tmp2 = tcg_const_i32(0); |
aa47cfdd | 6131 | gen_helper_neon_ceq_f32(tmp, tmp, tmp2, fpstatus); |
dd8fbd78 | 6132 | tcg_temp_free(tmp2); |
aa47cfdd | 6133 | tcg_temp_free_ptr(fpstatus); |
9ee6e8bb | 6134 | break; |
aa47cfdd | 6135 | } |
600b828c | 6136 | case NEON_2RM_VCLE0_F: |
aa47cfdd PM |
6137 | { |
6138 | TCGv_ptr fpstatus = get_fpstatus_ptr(1); | |
0e326109 | 6139 | tmp2 = tcg_const_i32(0); |
aa47cfdd | 6140 | gen_helper_neon_cge_f32(tmp, tmp2, tmp, fpstatus); |
0e326109 | 6141 | tcg_temp_free(tmp2); |
aa47cfdd | 6142 | tcg_temp_free_ptr(fpstatus); |
0e326109 | 6143 | break; |
aa47cfdd | 6144 | } |
600b828c | 6145 | case NEON_2RM_VCLT0_F: |
aa47cfdd PM |
6146 | { |
6147 | TCGv_ptr fpstatus = get_fpstatus_ptr(1); | |
0e326109 | 6148 | tmp2 = tcg_const_i32(0); |
aa47cfdd | 6149 | gen_helper_neon_cgt_f32(tmp, tmp2, tmp, fpstatus); |
0e326109 | 6150 | tcg_temp_free(tmp2); |
aa47cfdd | 6151 | tcg_temp_free_ptr(fpstatus); |
0e326109 | 6152 | break; |
aa47cfdd | 6153 | } |
600b828c | 6154 | case NEON_2RM_VABS_F: |
4373f3ce | 6155 | gen_vfp_abs(0); |
9ee6e8bb | 6156 | break; |
600b828c | 6157 | case NEON_2RM_VNEG_F: |
4373f3ce | 6158 | gen_vfp_neg(0); |
9ee6e8bb | 6159 | break; |
600b828c | 6160 | case NEON_2RM_VSWP: |
dd8fbd78 FN |
6161 | tmp2 = neon_load_reg(rd, pass); |
6162 | neon_store_reg(rm, pass, tmp2); | |
9ee6e8bb | 6163 | break; |
600b828c | 6164 | case NEON_2RM_VTRN: |
dd8fbd78 | 6165 | tmp2 = neon_load_reg(rd, pass); |
9ee6e8bb | 6166 | switch (size) { |
dd8fbd78 FN |
6167 | case 0: gen_neon_trn_u8(tmp, tmp2); break; |
6168 | case 1: gen_neon_trn_u16(tmp, tmp2); break; | |
600b828c | 6169 | default: abort(); |
9ee6e8bb | 6170 | } |
dd8fbd78 | 6171 | neon_store_reg(rm, pass, tmp2); |
9ee6e8bb | 6172 | break; |
600b828c | 6173 | case NEON_2RM_VRECPE: |
dd8fbd78 | 6174 | gen_helper_recpe_u32(tmp, tmp, cpu_env); |
9ee6e8bb | 6175 | break; |
600b828c | 6176 | case NEON_2RM_VRSQRTE: |
dd8fbd78 | 6177 | gen_helper_rsqrte_u32(tmp, tmp, cpu_env); |
9ee6e8bb | 6178 | break; |
600b828c | 6179 | case NEON_2RM_VRECPE_F: |
4373f3ce | 6180 | gen_helper_recpe_f32(cpu_F0s, cpu_F0s, cpu_env); |
9ee6e8bb | 6181 | break; |
600b828c | 6182 | case NEON_2RM_VRSQRTE_F: |
4373f3ce | 6183 | gen_helper_rsqrte_f32(cpu_F0s, cpu_F0s, cpu_env); |
9ee6e8bb | 6184 | break; |
600b828c | 6185 | case NEON_2RM_VCVT_FS: /* VCVT.F32.S32 */ |
5500b06c | 6186 | gen_vfp_sito(0, 1); |
9ee6e8bb | 6187 | break; |
600b828c | 6188 | case NEON_2RM_VCVT_FU: /* VCVT.F32.U32 */ |
5500b06c | 6189 | gen_vfp_uito(0, 1); |
9ee6e8bb | 6190 | break; |
600b828c | 6191 | case NEON_2RM_VCVT_SF: /* VCVT.S32.F32 */ |
5500b06c | 6192 | gen_vfp_tosiz(0, 1); |
9ee6e8bb | 6193 | break; |
600b828c | 6194 | case NEON_2RM_VCVT_UF: /* VCVT.U32.F32 */ |
5500b06c | 6195 | gen_vfp_touiz(0, 1); |
9ee6e8bb PB |
6196 | break; |
6197 | default: | |
600b828c PM |
6198 | /* Reserved op values were caught by the |
6199 | * neon_2rm_sizes[] check earlier. | |
6200 | */ | |
6201 | abort(); | |
9ee6e8bb | 6202 | } |
600b828c | 6203 | if (neon_2rm_is_float_op(op)) { |
4373f3ce PB |
6204 | tcg_gen_st_f32(cpu_F0s, cpu_env, |
6205 | neon_reg_offset(rd, pass)); | |
9ee6e8bb | 6206 | } else { |
dd8fbd78 | 6207 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb PB |
6208 | } |
6209 | } | |
6210 | break; | |
6211 | } | |
6212 | } else if ((insn & (1 << 10)) == 0) { | |
6213 | /* VTBL, VTBX. */ | |
56907d77 PM |
6214 | int n = ((insn >> 8) & 3) + 1; |
6215 | if ((rn + n) > 32) { | |
6216 | /* This is UNPREDICTABLE; we choose to UNDEF to avoid the | |
6217 | * helper function running off the end of the register file. | |
6218 | */ | |
6219 | return 1; | |
6220 | } | |
6221 | n <<= 3; | |
9ee6e8bb | 6222 | if (insn & (1 << 6)) { |
8f8e3aa4 | 6223 | tmp = neon_load_reg(rd, 0); |
9ee6e8bb | 6224 | } else { |
7d1b0095 | 6225 | tmp = tcg_temp_new_i32(); |
8f8e3aa4 | 6226 | tcg_gen_movi_i32(tmp, 0); |
9ee6e8bb | 6227 | } |
8f8e3aa4 | 6228 | tmp2 = neon_load_reg(rm, 0); |
b75263d6 JR |
6229 | tmp4 = tcg_const_i32(rn); |
6230 | tmp5 = tcg_const_i32(n); | |
6231 | gen_helper_neon_tbl(tmp2, tmp2, tmp, tmp4, tmp5); | |
7d1b0095 | 6232 | tcg_temp_free_i32(tmp); |
9ee6e8bb | 6233 | if (insn & (1 << 6)) { |
8f8e3aa4 | 6234 | tmp = neon_load_reg(rd, 1); |
9ee6e8bb | 6235 | } else { |
7d1b0095 | 6236 | tmp = tcg_temp_new_i32(); |
8f8e3aa4 | 6237 | tcg_gen_movi_i32(tmp, 0); |
9ee6e8bb | 6238 | } |
8f8e3aa4 | 6239 | tmp3 = neon_load_reg(rm, 1); |
b75263d6 | 6240 | gen_helper_neon_tbl(tmp3, tmp3, tmp, tmp4, tmp5); |
25aeb69b JR |
6241 | tcg_temp_free_i32(tmp5); |
6242 | tcg_temp_free_i32(tmp4); | |
8f8e3aa4 | 6243 | neon_store_reg(rd, 0, tmp2); |
3018f259 | 6244 | neon_store_reg(rd, 1, tmp3); |
7d1b0095 | 6245 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
6246 | } else if ((insn & 0x380) == 0) { |
6247 | /* VDUP */ | |
133da6aa JR |
6248 | if ((insn & (7 << 16)) == 0 || (q && (rd & 1))) { |
6249 | return 1; | |
6250 | } | |
9ee6e8bb | 6251 | if (insn & (1 << 19)) { |
dd8fbd78 | 6252 | tmp = neon_load_reg(rm, 1); |
9ee6e8bb | 6253 | } else { |
dd8fbd78 | 6254 | tmp = neon_load_reg(rm, 0); |
9ee6e8bb PB |
6255 | } |
6256 | if (insn & (1 << 16)) { | |
dd8fbd78 | 6257 | gen_neon_dup_u8(tmp, ((insn >> 17) & 3) * 8); |
9ee6e8bb PB |
6258 | } else if (insn & (1 << 17)) { |
6259 | if ((insn >> 18) & 1) | |
dd8fbd78 | 6260 | gen_neon_dup_high16(tmp); |
9ee6e8bb | 6261 | else |
dd8fbd78 | 6262 | gen_neon_dup_low16(tmp); |
9ee6e8bb PB |
6263 | } |
6264 | for (pass = 0; pass < (q ? 4 : 2); pass++) { | |
7d1b0095 | 6265 | tmp2 = tcg_temp_new_i32(); |
dd8fbd78 FN |
6266 | tcg_gen_mov_i32(tmp2, tmp); |
6267 | neon_store_reg(rd, pass, tmp2); | |
9ee6e8bb | 6268 | } |
7d1b0095 | 6269 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
6270 | } else { |
6271 | return 1; | |
6272 | } | |
6273 | } | |
6274 | } | |
6275 | return 0; | |
6276 | } | |
6277 | ||
fe1479c3 PB |
6278 | static int disas_cp14_read(CPUState * env, DisasContext *s, uint32_t insn) |
6279 | { | |
6280 | int crn = (insn >> 16) & 0xf; | |
6281 | int crm = insn & 0xf; | |
6282 | int op1 = (insn >> 21) & 7; | |
6283 | int op2 = (insn >> 5) & 7; | |
6284 | int rt = (insn >> 12) & 0xf; | |
6285 | TCGv tmp; | |
6286 | ||
ca27c052 PM |
6287 | /* Minimal set of debug registers, since we don't support debug */ |
6288 | if (op1 == 0 && crn == 0 && op2 == 0) { | |
6289 | switch (crm) { | |
6290 | case 0: | |
6291 | /* DBGDIDR: just RAZ. In particular this means the | |
6292 | * "debug architecture version" bits will read as | |
6293 | * a reserved value, which should cause Linux to | |
6294 | * not try to use the debug hardware. | |
6295 | */ | |
6296 | tmp = tcg_const_i32(0); | |
6297 | store_reg(s, rt, tmp); | |
6298 | return 0; | |
6299 | case 1: | |
6300 | case 2: | |
6301 | /* DBGDRAR and DBGDSAR: v7 only. Always RAZ since we | |
6302 | * don't implement memory mapped debug components | |
6303 | */ | |
6304 | if (ENABLE_ARCH_7) { | |
6305 | tmp = tcg_const_i32(0); | |
6306 | store_reg(s, rt, tmp); | |
6307 | return 0; | |
6308 | } | |
6309 | break; | |
6310 | default: | |
6311 | break; | |
6312 | } | |
6313 | } | |
6314 | ||
fe1479c3 PB |
6315 | if (arm_feature(env, ARM_FEATURE_THUMB2EE)) { |
6316 | if (op1 == 6 && crn == 0 && crm == 0 && op2 == 0) { | |
6317 | /* TEECR */ | |
6318 | if (IS_USER(s)) | |
6319 | return 1; | |
6320 | tmp = load_cpu_field(teecr); | |
6321 | store_reg(s, rt, tmp); | |
6322 | return 0; | |
6323 | } | |
6324 | if (op1 == 6 && crn == 1 && crm == 0 && op2 == 0) { | |
6325 | /* TEEHBR */ | |
6326 | if (IS_USER(s) && (env->teecr & 1)) | |
6327 | return 1; | |
6328 | tmp = load_cpu_field(teehbr); | |
6329 | store_reg(s, rt, tmp); | |
6330 | return 0; | |
6331 | } | |
6332 | } | |
6333 | fprintf(stderr, "Unknown cp14 read op1:%d crn:%d crm:%d op2:%d\n", | |
6334 | op1, crn, crm, op2); | |
6335 | return 1; | |
6336 | } | |
6337 | ||
6338 | static int disas_cp14_write(CPUState * env, DisasContext *s, uint32_t insn) | |
6339 | { | |
6340 | int crn = (insn >> 16) & 0xf; | |
6341 | int crm = insn & 0xf; | |
6342 | int op1 = (insn >> 21) & 7; | |
6343 | int op2 = (insn >> 5) & 7; | |
6344 | int rt = (insn >> 12) & 0xf; | |
6345 | TCGv tmp; | |
6346 | ||
6347 | if (arm_feature(env, ARM_FEATURE_THUMB2EE)) { | |
6348 | if (op1 == 6 && crn == 0 && crm == 0 && op2 == 0) { | |
6349 | /* TEECR */ | |
6350 | if (IS_USER(s)) | |
6351 | return 1; | |
6352 | tmp = load_reg(s, rt); | |
6353 | gen_helper_set_teecr(cpu_env, tmp); | |
7d1b0095 | 6354 | tcg_temp_free_i32(tmp); |
fe1479c3 PB |
6355 | return 0; |
6356 | } | |
6357 | if (op1 == 6 && crn == 1 && crm == 0 && op2 == 0) { | |
6358 | /* TEEHBR */ | |
6359 | if (IS_USER(s) && (env->teecr & 1)) | |
6360 | return 1; | |
6361 | tmp = load_reg(s, rt); | |
6362 | store_cpu_field(tmp, teehbr); | |
6363 | return 0; | |
6364 | } | |
6365 | } | |
6366 | fprintf(stderr, "Unknown cp14 write op1:%d crn:%d crm:%d op2:%d\n", | |
6367 | op1, crn, crm, op2); | |
6368 | return 1; | |
6369 | } | |
6370 | ||
9ee6e8bb PB |
6371 | static int disas_coproc_insn(CPUState * env, DisasContext *s, uint32_t insn) |
6372 | { | |
6373 | int cpnum; | |
6374 | ||
6375 | cpnum = (insn >> 8) & 0xf; | |
6376 | if (arm_feature(env, ARM_FEATURE_XSCALE) | |
6377 | && ((env->cp15.c15_cpar ^ 0x3fff) & (1 << cpnum))) | |
6378 | return 1; | |
6379 | ||
6380 | switch (cpnum) { | |
6381 | case 0: | |
6382 | case 1: | |
6383 | if (arm_feature(env, ARM_FEATURE_IWMMXT)) { | |
6384 | return disas_iwmmxt_insn(env, s, insn); | |
6385 | } else if (arm_feature(env, ARM_FEATURE_XSCALE)) { | |
6386 | return disas_dsp_insn(env, s, insn); | |
6387 | } | |
6388 | return 1; | |
6389 | case 10: | |
6390 | case 11: | |
6391 | return disas_vfp_insn (env, s, insn); | |
fe1479c3 PB |
6392 | case 14: |
6393 | /* Coprocessors 7-15 are architecturally reserved by ARM. | |
6394 | Unfortunately Intel decided to ignore this. */ | |
6395 | if (arm_feature(env, ARM_FEATURE_XSCALE)) | |
6396 | goto board; | |
6397 | if (insn & (1 << 20)) | |
6398 | return disas_cp14_read(env, s, insn); | |
6399 | else | |
6400 | return disas_cp14_write(env, s, insn); | |
9ee6e8bb PB |
6401 | case 15: |
6402 | return disas_cp15_insn (env, s, insn); | |
6403 | default: | |
fe1479c3 | 6404 | board: |
9ee6e8bb PB |
6405 | /* Unknown coprocessor. See if the board has hooked it. */ |
6406 | return disas_cp_insn (env, s, insn); | |
6407 | } | |
6408 | } | |
6409 | ||
5e3f878a PB |
6410 | |
6411 | /* Store a 64-bit value to a register pair. Clobbers val. */ | |
a7812ae4 | 6412 | static void gen_storeq_reg(DisasContext *s, int rlow, int rhigh, TCGv_i64 val) |
5e3f878a PB |
6413 | { |
6414 | TCGv tmp; | |
7d1b0095 | 6415 | tmp = tcg_temp_new_i32(); |
5e3f878a PB |
6416 | tcg_gen_trunc_i64_i32(tmp, val); |
6417 | store_reg(s, rlow, tmp); | |
7d1b0095 | 6418 | tmp = tcg_temp_new_i32(); |
5e3f878a PB |
6419 | tcg_gen_shri_i64(val, val, 32); |
6420 | tcg_gen_trunc_i64_i32(tmp, val); | |
6421 | store_reg(s, rhigh, tmp); | |
6422 | } | |
6423 | ||
6424 | /* load a 32-bit value from a register and perform a 64-bit accumulate. */ | |
a7812ae4 | 6425 | static void gen_addq_lo(DisasContext *s, TCGv_i64 val, int rlow) |
5e3f878a | 6426 | { |
a7812ae4 | 6427 | TCGv_i64 tmp; |
5e3f878a PB |
6428 | TCGv tmp2; |
6429 | ||
36aa55dc | 6430 | /* Load value and extend to 64 bits. */ |
a7812ae4 | 6431 | tmp = tcg_temp_new_i64(); |
5e3f878a PB |
6432 | tmp2 = load_reg(s, rlow); |
6433 | tcg_gen_extu_i32_i64(tmp, tmp2); | |
7d1b0095 | 6434 | tcg_temp_free_i32(tmp2); |
5e3f878a | 6435 | tcg_gen_add_i64(val, val, tmp); |
b75263d6 | 6436 | tcg_temp_free_i64(tmp); |
5e3f878a PB |
6437 | } |
6438 | ||
6439 | /* load and add a 64-bit value from a register pair. */ | |
a7812ae4 | 6440 | static void gen_addq(DisasContext *s, TCGv_i64 val, int rlow, int rhigh) |
5e3f878a | 6441 | { |
a7812ae4 | 6442 | TCGv_i64 tmp; |
36aa55dc PB |
6443 | TCGv tmpl; |
6444 | TCGv tmph; | |
5e3f878a PB |
6445 | |
6446 | /* Load 64-bit value rd:rn. */ | |
36aa55dc PB |
6447 | tmpl = load_reg(s, rlow); |
6448 | tmph = load_reg(s, rhigh); | |
a7812ae4 | 6449 | tmp = tcg_temp_new_i64(); |
36aa55dc | 6450 | tcg_gen_concat_i32_i64(tmp, tmpl, tmph); |
7d1b0095 PM |
6451 | tcg_temp_free_i32(tmpl); |
6452 | tcg_temp_free_i32(tmph); | |
5e3f878a | 6453 | tcg_gen_add_i64(val, val, tmp); |
b75263d6 | 6454 | tcg_temp_free_i64(tmp); |
5e3f878a PB |
6455 | } |
6456 | ||
6457 | /* Set N and Z flags from a 64-bit value. */ | |
a7812ae4 | 6458 | static void gen_logicq_cc(TCGv_i64 val) |
5e3f878a | 6459 | { |
7d1b0095 | 6460 | TCGv tmp = tcg_temp_new_i32(); |
5e3f878a | 6461 | gen_helper_logicq_cc(tmp, val); |
6fbe23d5 | 6462 | gen_logic_CC(tmp); |
7d1b0095 | 6463 | tcg_temp_free_i32(tmp); |
5e3f878a PB |
6464 | } |
6465 | ||
426f5abc PB |
6466 | /* Load/Store exclusive instructions are implemented by remembering |
6467 | the value/address loaded, and seeing if these are the same | |
6468 | when the store is performed. This should be is sufficient to implement | |
6469 | the architecturally mandated semantics, and avoids having to monitor | |
6470 | regular stores. | |
6471 | ||
6472 | In system emulation mode only one CPU will be running at once, so | |
6473 | this sequence is effectively atomic. In user emulation mode we | |
6474 | throw an exception and handle the atomic operation elsewhere. */ | |
6475 | static void gen_load_exclusive(DisasContext *s, int rt, int rt2, | |
6476 | TCGv addr, int size) | |
6477 | { | |
6478 | TCGv tmp; | |
6479 | ||
6480 | switch (size) { | |
6481 | case 0: | |
6482 | tmp = gen_ld8u(addr, IS_USER(s)); | |
6483 | break; | |
6484 | case 1: | |
6485 | tmp = gen_ld16u(addr, IS_USER(s)); | |
6486 | break; | |
6487 | case 2: | |
6488 | case 3: | |
6489 | tmp = gen_ld32(addr, IS_USER(s)); | |
6490 | break; | |
6491 | default: | |
6492 | abort(); | |
6493 | } | |
6494 | tcg_gen_mov_i32(cpu_exclusive_val, tmp); | |
6495 | store_reg(s, rt, tmp); | |
6496 | if (size == 3) { | |
7d1b0095 | 6497 | TCGv tmp2 = tcg_temp_new_i32(); |
2c9adbda PM |
6498 | tcg_gen_addi_i32(tmp2, addr, 4); |
6499 | tmp = gen_ld32(tmp2, IS_USER(s)); | |
7d1b0095 | 6500 | tcg_temp_free_i32(tmp2); |
426f5abc PB |
6501 | tcg_gen_mov_i32(cpu_exclusive_high, tmp); |
6502 | store_reg(s, rt2, tmp); | |
6503 | } | |
6504 | tcg_gen_mov_i32(cpu_exclusive_addr, addr); | |
6505 | } | |
6506 | ||
6507 | static void gen_clrex(DisasContext *s) | |
6508 | { | |
6509 | tcg_gen_movi_i32(cpu_exclusive_addr, -1); | |
6510 | } | |
6511 | ||
6512 | #ifdef CONFIG_USER_ONLY | |
6513 | static void gen_store_exclusive(DisasContext *s, int rd, int rt, int rt2, | |
6514 | TCGv addr, int size) | |
6515 | { | |
6516 | tcg_gen_mov_i32(cpu_exclusive_test, addr); | |
6517 | tcg_gen_movi_i32(cpu_exclusive_info, | |
6518 | size | (rd << 4) | (rt << 8) | (rt2 << 12)); | |
bc4a0de0 | 6519 | gen_exception_insn(s, 4, EXCP_STREX); |
426f5abc PB |
6520 | } |
6521 | #else | |
6522 | static void gen_store_exclusive(DisasContext *s, int rd, int rt, int rt2, | |
6523 | TCGv addr, int size) | |
6524 | { | |
6525 | TCGv tmp; | |
6526 | int done_label; | |
6527 | int fail_label; | |
6528 | ||
6529 | /* if (env->exclusive_addr == addr && env->exclusive_val == [addr]) { | |
6530 | [addr] = {Rt}; | |
6531 | {Rd} = 0; | |
6532 | } else { | |
6533 | {Rd} = 1; | |
6534 | } */ | |
6535 | fail_label = gen_new_label(); | |
6536 | done_label = gen_new_label(); | |
6537 | tcg_gen_brcond_i32(TCG_COND_NE, addr, cpu_exclusive_addr, fail_label); | |
6538 | switch (size) { | |
6539 | case 0: | |
6540 | tmp = gen_ld8u(addr, IS_USER(s)); | |
6541 | break; | |
6542 | case 1: | |
6543 | tmp = gen_ld16u(addr, IS_USER(s)); | |
6544 | break; | |
6545 | case 2: | |
6546 | case 3: | |
6547 | tmp = gen_ld32(addr, IS_USER(s)); | |
6548 | break; | |
6549 | default: | |
6550 | abort(); | |
6551 | } | |
6552 | tcg_gen_brcond_i32(TCG_COND_NE, tmp, cpu_exclusive_val, fail_label); | |
7d1b0095 | 6553 | tcg_temp_free_i32(tmp); |
426f5abc | 6554 | if (size == 3) { |
7d1b0095 | 6555 | TCGv tmp2 = tcg_temp_new_i32(); |
426f5abc | 6556 | tcg_gen_addi_i32(tmp2, addr, 4); |
2c9adbda | 6557 | tmp = gen_ld32(tmp2, IS_USER(s)); |
7d1b0095 | 6558 | tcg_temp_free_i32(tmp2); |
426f5abc | 6559 | tcg_gen_brcond_i32(TCG_COND_NE, tmp, cpu_exclusive_high, fail_label); |
7d1b0095 | 6560 | tcg_temp_free_i32(tmp); |
426f5abc PB |
6561 | } |
6562 | tmp = load_reg(s, rt); | |
6563 | switch (size) { | |
6564 | case 0: | |
6565 | gen_st8(tmp, addr, IS_USER(s)); | |
6566 | break; | |
6567 | case 1: | |
6568 | gen_st16(tmp, addr, IS_USER(s)); | |
6569 | break; | |
6570 | case 2: | |
6571 | case 3: | |
6572 | gen_st32(tmp, addr, IS_USER(s)); | |
6573 | break; | |
6574 | default: | |
6575 | abort(); | |
6576 | } | |
6577 | if (size == 3) { | |
6578 | tcg_gen_addi_i32(addr, addr, 4); | |
6579 | tmp = load_reg(s, rt2); | |
6580 | gen_st32(tmp, addr, IS_USER(s)); | |
6581 | } | |
6582 | tcg_gen_movi_i32(cpu_R[rd], 0); | |
6583 | tcg_gen_br(done_label); | |
6584 | gen_set_label(fail_label); | |
6585 | tcg_gen_movi_i32(cpu_R[rd], 1); | |
6586 | gen_set_label(done_label); | |
6587 | tcg_gen_movi_i32(cpu_exclusive_addr, -1); | |
6588 | } | |
6589 | #endif | |
6590 | ||
9ee6e8bb PB |
6591 | static void disas_arm_insn(CPUState * env, DisasContext *s) |
6592 | { | |
6593 | unsigned int cond, insn, val, op1, i, shift, rm, rs, rn, rd, sh; | |
b26eefb6 | 6594 | TCGv tmp; |
3670669c | 6595 | TCGv tmp2; |
6ddbc6e4 | 6596 | TCGv tmp3; |
b0109805 | 6597 | TCGv addr; |
a7812ae4 | 6598 | TCGv_i64 tmp64; |
9ee6e8bb PB |
6599 | |
6600 | insn = ldl_code(s->pc); | |
6601 | s->pc += 4; | |
6602 | ||
6603 | /* M variants do not implement ARM mode. */ | |
6604 | if (IS_M(env)) | |
6605 | goto illegal_op; | |
6606 | cond = insn >> 28; | |
6607 | if (cond == 0xf){ | |
be5e7a76 DES |
6608 | /* In ARMv3 and v4 the NV condition is UNPREDICTABLE; we |
6609 | * choose to UNDEF. In ARMv5 and above the space is used | |
6610 | * for miscellaneous unconditional instructions. | |
6611 | */ | |
6612 | ARCH(5); | |
6613 | ||
9ee6e8bb PB |
6614 | /* Unconditional instructions. */ |
6615 | if (((insn >> 25) & 7) == 1) { | |
6616 | /* NEON Data processing. */ | |
6617 | if (!arm_feature(env, ARM_FEATURE_NEON)) | |
6618 | goto illegal_op; | |
6619 | ||
6620 | if (disas_neon_data_insn(env, s, insn)) | |
6621 | goto illegal_op; | |
6622 | return; | |
6623 | } | |
6624 | if ((insn & 0x0f100000) == 0x04000000) { | |
6625 | /* NEON load/store. */ | |
6626 | if (!arm_feature(env, ARM_FEATURE_NEON)) | |
6627 | goto illegal_op; | |
6628 | ||
6629 | if (disas_neon_ls_insn(env, s, insn)) | |
6630 | goto illegal_op; | |
6631 | return; | |
6632 | } | |
3d185e5d PM |
6633 | if (((insn & 0x0f30f000) == 0x0510f000) || |
6634 | ((insn & 0x0f30f010) == 0x0710f000)) { | |
6635 | if ((insn & (1 << 22)) == 0) { | |
6636 | /* PLDW; v7MP */ | |
6637 | if (!arm_feature(env, ARM_FEATURE_V7MP)) { | |
6638 | goto illegal_op; | |
6639 | } | |
6640 | } | |
6641 | /* Otherwise PLD; v5TE+ */ | |
be5e7a76 | 6642 | ARCH(5TE); |
3d185e5d PM |
6643 | return; |
6644 | } | |
6645 | if (((insn & 0x0f70f000) == 0x0450f000) || | |
6646 | ((insn & 0x0f70f010) == 0x0650f000)) { | |
6647 | ARCH(7); | |
6648 | return; /* PLI; V7 */ | |
6649 | } | |
6650 | if (((insn & 0x0f700000) == 0x04100000) || | |
6651 | ((insn & 0x0f700010) == 0x06100000)) { | |
6652 | if (!arm_feature(env, ARM_FEATURE_V7MP)) { | |
6653 | goto illegal_op; | |
6654 | } | |
6655 | return; /* v7MP: Unallocated memory hint: must NOP */ | |
6656 | } | |
6657 | ||
6658 | if ((insn & 0x0ffffdff) == 0x01010000) { | |
9ee6e8bb PB |
6659 | ARCH(6); |
6660 | /* setend */ | |
6661 | if (insn & (1 << 9)) { | |
6662 | /* BE8 mode not implemented. */ | |
6663 | goto illegal_op; | |
6664 | } | |
6665 | return; | |
6666 | } else if ((insn & 0x0fffff00) == 0x057ff000) { | |
6667 | switch ((insn >> 4) & 0xf) { | |
6668 | case 1: /* clrex */ | |
6669 | ARCH(6K); | |
426f5abc | 6670 | gen_clrex(s); |
9ee6e8bb PB |
6671 | return; |
6672 | case 4: /* dsb */ | |
6673 | case 5: /* dmb */ | |
6674 | case 6: /* isb */ | |
6675 | ARCH(7); | |
6676 | /* We don't emulate caches so these are a no-op. */ | |
6677 | return; | |
6678 | default: | |
6679 | goto illegal_op; | |
6680 | } | |
6681 | } else if ((insn & 0x0e5fffe0) == 0x084d0500) { | |
6682 | /* srs */ | |
c67b6b71 | 6683 | int32_t offset; |
9ee6e8bb PB |
6684 | if (IS_USER(s)) |
6685 | goto illegal_op; | |
6686 | ARCH(6); | |
6687 | op1 = (insn & 0x1f); | |
7d1b0095 | 6688 | addr = tcg_temp_new_i32(); |
39ea3d4e PM |
6689 | tmp = tcg_const_i32(op1); |
6690 | gen_helper_get_r13_banked(addr, cpu_env, tmp); | |
6691 | tcg_temp_free_i32(tmp); | |
9ee6e8bb PB |
6692 | i = (insn >> 23) & 3; |
6693 | switch (i) { | |
6694 | case 0: offset = -4; break; /* DA */ | |
c67b6b71 FN |
6695 | case 1: offset = 0; break; /* IA */ |
6696 | case 2: offset = -8; break; /* DB */ | |
9ee6e8bb PB |
6697 | case 3: offset = 4; break; /* IB */ |
6698 | default: abort(); | |
6699 | } | |
6700 | if (offset) | |
b0109805 PB |
6701 | tcg_gen_addi_i32(addr, addr, offset); |
6702 | tmp = load_reg(s, 14); | |
6703 | gen_st32(tmp, addr, 0); | |
c67b6b71 | 6704 | tmp = load_cpu_field(spsr); |
b0109805 PB |
6705 | tcg_gen_addi_i32(addr, addr, 4); |
6706 | gen_st32(tmp, addr, 0); | |
9ee6e8bb PB |
6707 | if (insn & (1 << 21)) { |
6708 | /* Base writeback. */ | |
6709 | switch (i) { | |
6710 | case 0: offset = -8; break; | |
c67b6b71 FN |
6711 | case 1: offset = 4; break; |
6712 | case 2: offset = -4; break; | |
9ee6e8bb PB |
6713 | case 3: offset = 0; break; |
6714 | default: abort(); | |
6715 | } | |
6716 | if (offset) | |
c67b6b71 | 6717 | tcg_gen_addi_i32(addr, addr, offset); |
39ea3d4e PM |
6718 | tmp = tcg_const_i32(op1); |
6719 | gen_helper_set_r13_banked(cpu_env, tmp, addr); | |
6720 | tcg_temp_free_i32(tmp); | |
7d1b0095 | 6721 | tcg_temp_free_i32(addr); |
b0109805 | 6722 | } else { |
7d1b0095 | 6723 | tcg_temp_free_i32(addr); |
9ee6e8bb | 6724 | } |
a990f58f | 6725 | return; |
ea825eee | 6726 | } else if ((insn & 0x0e50ffe0) == 0x08100a00) { |
9ee6e8bb | 6727 | /* rfe */ |
c67b6b71 | 6728 | int32_t offset; |
9ee6e8bb PB |
6729 | if (IS_USER(s)) |
6730 | goto illegal_op; | |
6731 | ARCH(6); | |
6732 | rn = (insn >> 16) & 0xf; | |
b0109805 | 6733 | addr = load_reg(s, rn); |
9ee6e8bb PB |
6734 | i = (insn >> 23) & 3; |
6735 | switch (i) { | |
b0109805 | 6736 | case 0: offset = -4; break; /* DA */ |
c67b6b71 FN |
6737 | case 1: offset = 0; break; /* IA */ |
6738 | case 2: offset = -8; break; /* DB */ | |
b0109805 | 6739 | case 3: offset = 4; break; /* IB */ |
9ee6e8bb PB |
6740 | default: abort(); |
6741 | } | |
6742 | if (offset) | |
b0109805 PB |
6743 | tcg_gen_addi_i32(addr, addr, offset); |
6744 | /* Load PC into tmp and CPSR into tmp2. */ | |
6745 | tmp = gen_ld32(addr, 0); | |
6746 | tcg_gen_addi_i32(addr, addr, 4); | |
6747 | tmp2 = gen_ld32(addr, 0); | |
9ee6e8bb PB |
6748 | if (insn & (1 << 21)) { |
6749 | /* Base writeback. */ | |
6750 | switch (i) { | |
b0109805 | 6751 | case 0: offset = -8; break; |
c67b6b71 FN |
6752 | case 1: offset = 4; break; |
6753 | case 2: offset = -4; break; | |
b0109805 | 6754 | case 3: offset = 0; break; |
9ee6e8bb PB |
6755 | default: abort(); |
6756 | } | |
6757 | if (offset) | |
b0109805 PB |
6758 | tcg_gen_addi_i32(addr, addr, offset); |
6759 | store_reg(s, rn, addr); | |
6760 | } else { | |
7d1b0095 | 6761 | tcg_temp_free_i32(addr); |
9ee6e8bb | 6762 | } |
b0109805 | 6763 | gen_rfe(s, tmp, tmp2); |
c67b6b71 | 6764 | return; |
9ee6e8bb PB |
6765 | } else if ((insn & 0x0e000000) == 0x0a000000) { |
6766 | /* branch link and change to thumb (blx <offset>) */ | |
6767 | int32_t offset; | |
6768 | ||
6769 | val = (uint32_t)s->pc; | |
7d1b0095 | 6770 | tmp = tcg_temp_new_i32(); |
d9ba4830 PB |
6771 | tcg_gen_movi_i32(tmp, val); |
6772 | store_reg(s, 14, tmp); | |
9ee6e8bb PB |
6773 | /* Sign-extend the 24-bit offset */ |
6774 | offset = (((int32_t)insn) << 8) >> 8; | |
6775 | /* offset * 4 + bit24 * 2 + (thumb bit) */ | |
6776 | val += (offset << 2) | ((insn >> 23) & 2) | 1; | |
6777 | /* pipeline offset */ | |
6778 | val += 4; | |
be5e7a76 | 6779 | /* protected by ARCH(5); above, near the start of uncond block */ |
d9ba4830 | 6780 | gen_bx_im(s, val); |
9ee6e8bb PB |
6781 | return; |
6782 | } else if ((insn & 0x0e000f00) == 0x0c000100) { | |
6783 | if (arm_feature(env, ARM_FEATURE_IWMMXT)) { | |
6784 | /* iWMMXt register transfer. */ | |
6785 | if (env->cp15.c15_cpar & (1 << 1)) | |
6786 | if (!disas_iwmmxt_insn(env, s, insn)) | |
6787 | return; | |
6788 | } | |
6789 | } else if ((insn & 0x0fe00000) == 0x0c400000) { | |
6790 | /* Coprocessor double register transfer. */ | |
be5e7a76 | 6791 | ARCH(5TE); |
9ee6e8bb PB |
6792 | } else if ((insn & 0x0f000010) == 0x0e000010) { |
6793 | /* Additional coprocessor register transfer. */ | |
7997d92f | 6794 | } else if ((insn & 0x0ff10020) == 0x01000000) { |
9ee6e8bb PB |
6795 | uint32_t mask; |
6796 | uint32_t val; | |
6797 | /* cps (privileged) */ | |
6798 | if (IS_USER(s)) | |
6799 | return; | |
6800 | mask = val = 0; | |
6801 | if (insn & (1 << 19)) { | |
6802 | if (insn & (1 << 8)) | |
6803 | mask |= CPSR_A; | |
6804 | if (insn & (1 << 7)) | |
6805 | mask |= CPSR_I; | |
6806 | if (insn & (1 << 6)) | |
6807 | mask |= CPSR_F; | |
6808 | if (insn & (1 << 18)) | |
6809 | val |= mask; | |
6810 | } | |
7997d92f | 6811 | if (insn & (1 << 17)) { |
9ee6e8bb PB |
6812 | mask |= CPSR_M; |
6813 | val |= (insn & 0x1f); | |
6814 | } | |
6815 | if (mask) { | |
2fbac54b | 6816 | gen_set_psr_im(s, mask, 0, val); |
9ee6e8bb PB |
6817 | } |
6818 | return; | |
6819 | } | |
6820 | goto illegal_op; | |
6821 | } | |
6822 | if (cond != 0xe) { | |
6823 | /* if not always execute, we generate a conditional jump to | |
6824 | next instruction */ | |
6825 | s->condlabel = gen_new_label(); | |
d9ba4830 | 6826 | gen_test_cc(cond ^ 1, s->condlabel); |
9ee6e8bb PB |
6827 | s->condjmp = 1; |
6828 | } | |
6829 | if ((insn & 0x0f900000) == 0x03000000) { | |
6830 | if ((insn & (1 << 21)) == 0) { | |
6831 | ARCH(6T2); | |
6832 | rd = (insn >> 12) & 0xf; | |
6833 | val = ((insn >> 4) & 0xf000) | (insn & 0xfff); | |
6834 | if ((insn & (1 << 22)) == 0) { | |
6835 | /* MOVW */ | |
7d1b0095 | 6836 | tmp = tcg_temp_new_i32(); |
5e3f878a | 6837 | tcg_gen_movi_i32(tmp, val); |
9ee6e8bb PB |
6838 | } else { |
6839 | /* MOVT */ | |
5e3f878a | 6840 | tmp = load_reg(s, rd); |
86831435 | 6841 | tcg_gen_ext16u_i32(tmp, tmp); |
5e3f878a | 6842 | tcg_gen_ori_i32(tmp, tmp, val << 16); |
9ee6e8bb | 6843 | } |
5e3f878a | 6844 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6845 | } else { |
6846 | if (((insn >> 12) & 0xf) != 0xf) | |
6847 | goto illegal_op; | |
6848 | if (((insn >> 16) & 0xf) == 0) { | |
6849 | gen_nop_hint(s, insn & 0xff); | |
6850 | } else { | |
6851 | /* CPSR = immediate */ | |
6852 | val = insn & 0xff; | |
6853 | shift = ((insn >> 8) & 0xf) * 2; | |
6854 | if (shift) | |
6855 | val = (val >> shift) | (val << (32 - shift)); | |
9ee6e8bb | 6856 | i = ((insn & (1 << 22)) != 0); |
2fbac54b | 6857 | if (gen_set_psr_im(s, msr_mask(env, s, (insn >> 16) & 0xf, i), i, val)) |
9ee6e8bb PB |
6858 | goto illegal_op; |
6859 | } | |
6860 | } | |
6861 | } else if ((insn & 0x0f900000) == 0x01000000 | |
6862 | && (insn & 0x00000090) != 0x00000090) { | |
6863 | /* miscellaneous instructions */ | |
6864 | op1 = (insn >> 21) & 3; | |
6865 | sh = (insn >> 4) & 0xf; | |
6866 | rm = insn & 0xf; | |
6867 | switch (sh) { | |
6868 | case 0x0: /* move program status register */ | |
6869 | if (op1 & 1) { | |
6870 | /* PSR = reg */ | |
2fbac54b | 6871 | tmp = load_reg(s, rm); |
9ee6e8bb | 6872 | i = ((op1 & 2) != 0); |
2fbac54b | 6873 | if (gen_set_psr(s, msr_mask(env, s, (insn >> 16) & 0xf, i), i, tmp)) |
9ee6e8bb PB |
6874 | goto illegal_op; |
6875 | } else { | |
6876 | /* reg = PSR */ | |
6877 | rd = (insn >> 12) & 0xf; | |
6878 | if (op1 & 2) { | |
6879 | if (IS_USER(s)) | |
6880 | goto illegal_op; | |
d9ba4830 | 6881 | tmp = load_cpu_field(spsr); |
9ee6e8bb | 6882 | } else { |
7d1b0095 | 6883 | tmp = tcg_temp_new_i32(); |
d9ba4830 | 6884 | gen_helper_cpsr_read(tmp); |
9ee6e8bb | 6885 | } |
d9ba4830 | 6886 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6887 | } |
6888 | break; | |
6889 | case 0x1: | |
6890 | if (op1 == 1) { | |
6891 | /* branch/exchange thumb (bx). */ | |
be5e7a76 | 6892 | ARCH(4T); |
d9ba4830 PB |
6893 | tmp = load_reg(s, rm); |
6894 | gen_bx(s, tmp); | |
9ee6e8bb PB |
6895 | } else if (op1 == 3) { |
6896 | /* clz */ | |
be5e7a76 | 6897 | ARCH(5); |
9ee6e8bb | 6898 | rd = (insn >> 12) & 0xf; |
1497c961 PB |
6899 | tmp = load_reg(s, rm); |
6900 | gen_helper_clz(tmp, tmp); | |
6901 | store_reg(s, rd, tmp); | |
9ee6e8bb PB |
6902 | } else { |
6903 | goto illegal_op; | |
6904 | } | |
6905 | break; | |
6906 | case 0x2: | |
6907 | if (op1 == 1) { | |
6908 | ARCH(5J); /* bxj */ | |
6909 | /* Trivial implementation equivalent to bx. */ | |
d9ba4830 PB |
6910 | tmp = load_reg(s, rm); |
6911 | gen_bx(s, tmp); | |
9ee6e8bb PB |
6912 | } else { |
6913 | goto illegal_op; | |
6914 | } | |
6915 | break; | |
6916 | case 0x3: | |
6917 | if (op1 != 1) | |
6918 | goto illegal_op; | |
6919 | ||
be5e7a76 | 6920 | ARCH(5); |
9ee6e8bb | 6921 | /* branch link/exchange thumb (blx) */ |
d9ba4830 | 6922 | tmp = load_reg(s, rm); |
7d1b0095 | 6923 | tmp2 = tcg_temp_new_i32(); |
d9ba4830 PB |
6924 | tcg_gen_movi_i32(tmp2, s->pc); |
6925 | store_reg(s, 14, tmp2); | |
6926 | gen_bx(s, tmp); | |
9ee6e8bb PB |
6927 | break; |
6928 | case 0x5: /* saturating add/subtract */ | |
be5e7a76 | 6929 | ARCH(5TE); |
9ee6e8bb PB |
6930 | rd = (insn >> 12) & 0xf; |
6931 | rn = (insn >> 16) & 0xf; | |
b40d0353 | 6932 | tmp = load_reg(s, rm); |
5e3f878a | 6933 | tmp2 = load_reg(s, rn); |
9ee6e8bb | 6934 | if (op1 & 2) |
5e3f878a | 6935 | gen_helper_double_saturate(tmp2, tmp2); |
9ee6e8bb | 6936 | if (op1 & 1) |
5e3f878a | 6937 | gen_helper_sub_saturate(tmp, tmp, tmp2); |
9ee6e8bb | 6938 | else |
5e3f878a | 6939 | gen_helper_add_saturate(tmp, tmp, tmp2); |
7d1b0095 | 6940 | tcg_temp_free_i32(tmp2); |
5e3f878a | 6941 | store_reg(s, rd, tmp); |
9ee6e8bb | 6942 | break; |
49e14940 AL |
6943 | case 7: |
6944 | /* SMC instruction (op1 == 3) | |
6945 | and undefined instructions (op1 == 0 || op1 == 2) | |
6946 | will trap */ | |
6947 | if (op1 != 1) { | |
6948 | goto illegal_op; | |
6949 | } | |
6950 | /* bkpt */ | |
be5e7a76 | 6951 | ARCH(5); |
bc4a0de0 | 6952 | gen_exception_insn(s, 4, EXCP_BKPT); |
9ee6e8bb PB |
6953 | break; |
6954 | case 0x8: /* signed multiply */ | |
6955 | case 0xa: | |
6956 | case 0xc: | |
6957 | case 0xe: | |
be5e7a76 | 6958 | ARCH(5TE); |
9ee6e8bb PB |
6959 | rs = (insn >> 8) & 0xf; |
6960 | rn = (insn >> 12) & 0xf; | |
6961 | rd = (insn >> 16) & 0xf; | |
6962 | if (op1 == 1) { | |
6963 | /* (32 * 16) >> 16 */ | |
5e3f878a PB |
6964 | tmp = load_reg(s, rm); |
6965 | tmp2 = load_reg(s, rs); | |
9ee6e8bb | 6966 | if (sh & 4) |
5e3f878a | 6967 | tcg_gen_sari_i32(tmp2, tmp2, 16); |
9ee6e8bb | 6968 | else |
5e3f878a | 6969 | gen_sxth(tmp2); |
a7812ae4 PB |
6970 | tmp64 = gen_muls_i64_i32(tmp, tmp2); |
6971 | tcg_gen_shri_i64(tmp64, tmp64, 16); | |
7d1b0095 | 6972 | tmp = tcg_temp_new_i32(); |
a7812ae4 | 6973 | tcg_gen_trunc_i64_i32(tmp, tmp64); |
b75263d6 | 6974 | tcg_temp_free_i64(tmp64); |
9ee6e8bb | 6975 | if ((sh & 2) == 0) { |
5e3f878a PB |
6976 | tmp2 = load_reg(s, rn); |
6977 | gen_helper_add_setq(tmp, tmp, tmp2); | |
7d1b0095 | 6978 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 6979 | } |
5e3f878a | 6980 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6981 | } else { |
6982 | /* 16 * 16 */ | |
5e3f878a PB |
6983 | tmp = load_reg(s, rm); |
6984 | tmp2 = load_reg(s, rs); | |
6985 | gen_mulxy(tmp, tmp2, sh & 2, sh & 4); | |
7d1b0095 | 6986 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 6987 | if (op1 == 2) { |
a7812ae4 PB |
6988 | tmp64 = tcg_temp_new_i64(); |
6989 | tcg_gen_ext_i32_i64(tmp64, tmp); | |
7d1b0095 | 6990 | tcg_temp_free_i32(tmp); |
a7812ae4 PB |
6991 | gen_addq(s, tmp64, rn, rd); |
6992 | gen_storeq_reg(s, rn, rd, tmp64); | |
b75263d6 | 6993 | tcg_temp_free_i64(tmp64); |
9ee6e8bb PB |
6994 | } else { |
6995 | if (op1 == 0) { | |
5e3f878a PB |
6996 | tmp2 = load_reg(s, rn); |
6997 | gen_helper_add_setq(tmp, tmp, tmp2); | |
7d1b0095 | 6998 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 6999 | } |
5e3f878a | 7000 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7001 | } |
7002 | } | |
7003 | break; | |
7004 | default: | |
7005 | goto illegal_op; | |
7006 | } | |
7007 | } else if (((insn & 0x0e000000) == 0 && | |
7008 | (insn & 0x00000090) != 0x90) || | |
7009 | ((insn & 0x0e000000) == (1 << 25))) { | |
7010 | int set_cc, logic_cc, shiftop; | |
7011 | ||
7012 | op1 = (insn >> 21) & 0xf; | |
7013 | set_cc = (insn >> 20) & 1; | |
7014 | logic_cc = table_logic_cc[op1] & set_cc; | |
7015 | ||
7016 | /* data processing instruction */ | |
7017 | if (insn & (1 << 25)) { | |
7018 | /* immediate operand */ | |
7019 | val = insn & 0xff; | |
7020 | shift = ((insn >> 8) & 0xf) * 2; | |
e9bb4aa9 | 7021 | if (shift) { |
9ee6e8bb | 7022 | val = (val >> shift) | (val << (32 - shift)); |
e9bb4aa9 | 7023 | } |
7d1b0095 | 7024 | tmp2 = tcg_temp_new_i32(); |
e9bb4aa9 JR |
7025 | tcg_gen_movi_i32(tmp2, val); |
7026 | if (logic_cc && shift) { | |
7027 | gen_set_CF_bit31(tmp2); | |
7028 | } | |
9ee6e8bb PB |
7029 | } else { |
7030 | /* register */ | |
7031 | rm = (insn) & 0xf; | |
e9bb4aa9 | 7032 | tmp2 = load_reg(s, rm); |
9ee6e8bb PB |
7033 | shiftop = (insn >> 5) & 3; |
7034 | if (!(insn & (1 << 4))) { | |
7035 | shift = (insn >> 7) & 0x1f; | |
e9bb4aa9 | 7036 | gen_arm_shift_im(tmp2, shiftop, shift, logic_cc); |
9ee6e8bb PB |
7037 | } else { |
7038 | rs = (insn >> 8) & 0xf; | |
8984bd2e | 7039 | tmp = load_reg(s, rs); |
e9bb4aa9 | 7040 | gen_arm_shift_reg(tmp2, shiftop, tmp, logic_cc); |
9ee6e8bb PB |
7041 | } |
7042 | } | |
7043 | if (op1 != 0x0f && op1 != 0x0d) { | |
7044 | rn = (insn >> 16) & 0xf; | |
e9bb4aa9 JR |
7045 | tmp = load_reg(s, rn); |
7046 | } else { | |
7047 | TCGV_UNUSED(tmp); | |
9ee6e8bb PB |
7048 | } |
7049 | rd = (insn >> 12) & 0xf; | |
7050 | switch(op1) { | |
7051 | case 0x00: | |
e9bb4aa9 JR |
7052 | tcg_gen_and_i32(tmp, tmp, tmp2); |
7053 | if (logic_cc) { | |
7054 | gen_logic_CC(tmp); | |
7055 | } | |
21aeb343 | 7056 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
7057 | break; |
7058 | case 0x01: | |
e9bb4aa9 JR |
7059 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
7060 | if (logic_cc) { | |
7061 | gen_logic_CC(tmp); | |
7062 | } | |
21aeb343 | 7063 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
7064 | break; |
7065 | case 0x02: | |
7066 | if (set_cc && rd == 15) { | |
7067 | /* SUBS r15, ... is used for exception return. */ | |
e9bb4aa9 | 7068 | if (IS_USER(s)) { |
9ee6e8bb | 7069 | goto illegal_op; |
e9bb4aa9 JR |
7070 | } |
7071 | gen_helper_sub_cc(tmp, tmp, tmp2); | |
7072 | gen_exception_return(s, tmp); | |
9ee6e8bb | 7073 | } else { |
e9bb4aa9 JR |
7074 | if (set_cc) { |
7075 | gen_helper_sub_cc(tmp, tmp, tmp2); | |
7076 | } else { | |
7077 | tcg_gen_sub_i32(tmp, tmp, tmp2); | |
7078 | } | |
21aeb343 | 7079 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
7080 | } |
7081 | break; | |
7082 | case 0x03: | |
e9bb4aa9 JR |
7083 | if (set_cc) { |
7084 | gen_helper_sub_cc(tmp, tmp2, tmp); | |
7085 | } else { | |
7086 | tcg_gen_sub_i32(tmp, tmp2, tmp); | |
7087 | } | |
21aeb343 | 7088 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
7089 | break; |
7090 | case 0x04: | |
e9bb4aa9 JR |
7091 | if (set_cc) { |
7092 | gen_helper_add_cc(tmp, tmp, tmp2); | |
7093 | } else { | |
7094 | tcg_gen_add_i32(tmp, tmp, tmp2); | |
7095 | } | |
21aeb343 | 7096 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
7097 | break; |
7098 | case 0x05: | |
e9bb4aa9 JR |
7099 | if (set_cc) { |
7100 | gen_helper_adc_cc(tmp, tmp, tmp2); | |
7101 | } else { | |
7102 | gen_add_carry(tmp, tmp, tmp2); | |
7103 | } | |
21aeb343 | 7104 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
7105 | break; |
7106 | case 0x06: | |
e9bb4aa9 JR |
7107 | if (set_cc) { |
7108 | gen_helper_sbc_cc(tmp, tmp, tmp2); | |
7109 | } else { | |
7110 | gen_sub_carry(tmp, tmp, tmp2); | |
7111 | } | |
21aeb343 | 7112 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
7113 | break; |
7114 | case 0x07: | |
e9bb4aa9 JR |
7115 | if (set_cc) { |
7116 | gen_helper_sbc_cc(tmp, tmp2, tmp); | |
7117 | } else { | |
7118 | gen_sub_carry(tmp, tmp2, tmp); | |
7119 | } | |
21aeb343 | 7120 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
7121 | break; |
7122 | case 0x08: | |
7123 | if (set_cc) { | |
e9bb4aa9 JR |
7124 | tcg_gen_and_i32(tmp, tmp, tmp2); |
7125 | gen_logic_CC(tmp); | |
9ee6e8bb | 7126 | } |
7d1b0095 | 7127 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
7128 | break; |
7129 | case 0x09: | |
7130 | if (set_cc) { | |
e9bb4aa9 JR |
7131 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
7132 | gen_logic_CC(tmp); | |
9ee6e8bb | 7133 | } |
7d1b0095 | 7134 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
7135 | break; |
7136 | case 0x0a: | |
7137 | if (set_cc) { | |
e9bb4aa9 | 7138 | gen_helper_sub_cc(tmp, tmp, tmp2); |
9ee6e8bb | 7139 | } |
7d1b0095 | 7140 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
7141 | break; |
7142 | case 0x0b: | |
7143 | if (set_cc) { | |
e9bb4aa9 | 7144 | gen_helper_add_cc(tmp, tmp, tmp2); |
9ee6e8bb | 7145 | } |
7d1b0095 | 7146 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
7147 | break; |
7148 | case 0x0c: | |
e9bb4aa9 JR |
7149 | tcg_gen_or_i32(tmp, tmp, tmp2); |
7150 | if (logic_cc) { | |
7151 | gen_logic_CC(tmp); | |
7152 | } | |
21aeb343 | 7153 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
7154 | break; |
7155 | case 0x0d: | |
7156 | if (logic_cc && rd == 15) { | |
7157 | /* MOVS r15, ... is used for exception return. */ | |
e9bb4aa9 | 7158 | if (IS_USER(s)) { |
9ee6e8bb | 7159 | goto illegal_op; |
e9bb4aa9 JR |
7160 | } |
7161 | gen_exception_return(s, tmp2); | |
9ee6e8bb | 7162 | } else { |
e9bb4aa9 JR |
7163 | if (logic_cc) { |
7164 | gen_logic_CC(tmp2); | |
7165 | } | |
21aeb343 | 7166 | store_reg_bx(env, s, rd, tmp2); |
9ee6e8bb PB |
7167 | } |
7168 | break; | |
7169 | case 0x0e: | |
f669df27 | 7170 | tcg_gen_andc_i32(tmp, tmp, tmp2); |
e9bb4aa9 JR |
7171 | if (logic_cc) { |
7172 | gen_logic_CC(tmp); | |
7173 | } | |
21aeb343 | 7174 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
7175 | break; |
7176 | default: | |
7177 | case 0x0f: | |
e9bb4aa9 JR |
7178 | tcg_gen_not_i32(tmp2, tmp2); |
7179 | if (logic_cc) { | |
7180 | gen_logic_CC(tmp2); | |
7181 | } | |
21aeb343 | 7182 | store_reg_bx(env, s, rd, tmp2); |
9ee6e8bb PB |
7183 | break; |
7184 | } | |
e9bb4aa9 | 7185 | if (op1 != 0x0f && op1 != 0x0d) { |
7d1b0095 | 7186 | tcg_temp_free_i32(tmp2); |
e9bb4aa9 | 7187 | } |
9ee6e8bb PB |
7188 | } else { |
7189 | /* other instructions */ | |
7190 | op1 = (insn >> 24) & 0xf; | |
7191 | switch(op1) { | |
7192 | case 0x0: | |
7193 | case 0x1: | |
7194 | /* multiplies, extra load/stores */ | |
7195 | sh = (insn >> 5) & 3; | |
7196 | if (sh == 0) { | |
7197 | if (op1 == 0x0) { | |
7198 | rd = (insn >> 16) & 0xf; | |
7199 | rn = (insn >> 12) & 0xf; | |
7200 | rs = (insn >> 8) & 0xf; | |
7201 | rm = (insn) & 0xf; | |
7202 | op1 = (insn >> 20) & 0xf; | |
7203 | switch (op1) { | |
7204 | case 0: case 1: case 2: case 3: case 6: | |
7205 | /* 32 bit mul */ | |
5e3f878a PB |
7206 | tmp = load_reg(s, rs); |
7207 | tmp2 = load_reg(s, rm); | |
7208 | tcg_gen_mul_i32(tmp, tmp, tmp2); | |
7d1b0095 | 7209 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
7210 | if (insn & (1 << 22)) { |
7211 | /* Subtract (mls) */ | |
7212 | ARCH(6T2); | |
5e3f878a PB |
7213 | tmp2 = load_reg(s, rn); |
7214 | tcg_gen_sub_i32(tmp, tmp2, tmp); | |
7d1b0095 | 7215 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
7216 | } else if (insn & (1 << 21)) { |
7217 | /* Add */ | |
5e3f878a PB |
7218 | tmp2 = load_reg(s, rn); |
7219 | tcg_gen_add_i32(tmp, tmp, tmp2); | |
7d1b0095 | 7220 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
7221 | } |
7222 | if (insn & (1 << 20)) | |
5e3f878a PB |
7223 | gen_logic_CC(tmp); |
7224 | store_reg(s, rd, tmp); | |
9ee6e8bb | 7225 | break; |
8aac08b1 AJ |
7226 | case 4: |
7227 | /* 64 bit mul double accumulate (UMAAL) */ | |
7228 | ARCH(6); | |
7229 | tmp = load_reg(s, rs); | |
7230 | tmp2 = load_reg(s, rm); | |
7231 | tmp64 = gen_mulu_i64_i32(tmp, tmp2); | |
7232 | gen_addq_lo(s, tmp64, rn); | |
7233 | gen_addq_lo(s, tmp64, rd); | |
7234 | gen_storeq_reg(s, rn, rd, tmp64); | |
7235 | tcg_temp_free_i64(tmp64); | |
7236 | break; | |
7237 | case 8: case 9: case 10: case 11: | |
7238 | case 12: case 13: case 14: case 15: | |
7239 | /* 64 bit mul: UMULL, UMLAL, SMULL, SMLAL. */ | |
5e3f878a PB |
7240 | tmp = load_reg(s, rs); |
7241 | tmp2 = load_reg(s, rm); | |
8aac08b1 | 7242 | if (insn & (1 << 22)) { |
a7812ae4 | 7243 | tmp64 = gen_muls_i64_i32(tmp, tmp2); |
8aac08b1 | 7244 | } else { |
a7812ae4 | 7245 | tmp64 = gen_mulu_i64_i32(tmp, tmp2); |
8aac08b1 AJ |
7246 | } |
7247 | if (insn & (1 << 21)) { /* mult accumulate */ | |
a7812ae4 | 7248 | gen_addq(s, tmp64, rn, rd); |
9ee6e8bb | 7249 | } |
8aac08b1 | 7250 | if (insn & (1 << 20)) { |
a7812ae4 | 7251 | gen_logicq_cc(tmp64); |
8aac08b1 | 7252 | } |
a7812ae4 | 7253 | gen_storeq_reg(s, rn, rd, tmp64); |
b75263d6 | 7254 | tcg_temp_free_i64(tmp64); |
9ee6e8bb | 7255 | break; |
8aac08b1 AJ |
7256 | default: |
7257 | goto illegal_op; | |
9ee6e8bb PB |
7258 | } |
7259 | } else { | |
7260 | rn = (insn >> 16) & 0xf; | |
7261 | rd = (insn >> 12) & 0xf; | |
7262 | if (insn & (1 << 23)) { | |
7263 | /* load/store exclusive */ | |
86753403 PB |
7264 | op1 = (insn >> 21) & 0x3; |
7265 | if (op1) | |
a47f43d2 | 7266 | ARCH(6K); |
86753403 PB |
7267 | else |
7268 | ARCH(6); | |
3174f8e9 | 7269 | addr = tcg_temp_local_new_i32(); |
98a46317 | 7270 | load_reg_var(s, addr, rn); |
9ee6e8bb | 7271 | if (insn & (1 << 20)) { |
86753403 PB |
7272 | switch (op1) { |
7273 | case 0: /* ldrex */ | |
426f5abc | 7274 | gen_load_exclusive(s, rd, 15, addr, 2); |
86753403 PB |
7275 | break; |
7276 | case 1: /* ldrexd */ | |
426f5abc | 7277 | gen_load_exclusive(s, rd, rd + 1, addr, 3); |
86753403 PB |
7278 | break; |
7279 | case 2: /* ldrexb */ | |
426f5abc | 7280 | gen_load_exclusive(s, rd, 15, addr, 0); |
86753403 PB |
7281 | break; |
7282 | case 3: /* ldrexh */ | |
426f5abc | 7283 | gen_load_exclusive(s, rd, 15, addr, 1); |
86753403 PB |
7284 | break; |
7285 | default: | |
7286 | abort(); | |
7287 | } | |
9ee6e8bb PB |
7288 | } else { |
7289 | rm = insn & 0xf; | |
86753403 PB |
7290 | switch (op1) { |
7291 | case 0: /* strex */ | |
426f5abc | 7292 | gen_store_exclusive(s, rd, rm, 15, addr, 2); |
86753403 PB |
7293 | break; |
7294 | case 1: /* strexd */ | |
502e64fe | 7295 | gen_store_exclusive(s, rd, rm, rm + 1, addr, 3); |
86753403 PB |
7296 | break; |
7297 | case 2: /* strexb */ | |
426f5abc | 7298 | gen_store_exclusive(s, rd, rm, 15, addr, 0); |
86753403 PB |
7299 | break; |
7300 | case 3: /* strexh */ | |
426f5abc | 7301 | gen_store_exclusive(s, rd, rm, 15, addr, 1); |
86753403 PB |
7302 | break; |
7303 | default: | |
7304 | abort(); | |
7305 | } | |
9ee6e8bb | 7306 | } |
3174f8e9 | 7307 | tcg_temp_free(addr); |
9ee6e8bb PB |
7308 | } else { |
7309 | /* SWP instruction */ | |
7310 | rm = (insn) & 0xf; | |
7311 | ||
8984bd2e PB |
7312 | /* ??? This is not really atomic. However we know |
7313 | we never have multiple CPUs running in parallel, | |
7314 | so it is good enough. */ | |
7315 | addr = load_reg(s, rn); | |
7316 | tmp = load_reg(s, rm); | |
9ee6e8bb | 7317 | if (insn & (1 << 22)) { |
8984bd2e PB |
7318 | tmp2 = gen_ld8u(addr, IS_USER(s)); |
7319 | gen_st8(tmp, addr, IS_USER(s)); | |
9ee6e8bb | 7320 | } else { |
8984bd2e PB |
7321 | tmp2 = gen_ld32(addr, IS_USER(s)); |
7322 | gen_st32(tmp, addr, IS_USER(s)); | |
9ee6e8bb | 7323 | } |
7d1b0095 | 7324 | tcg_temp_free_i32(addr); |
8984bd2e | 7325 | store_reg(s, rd, tmp2); |
9ee6e8bb PB |
7326 | } |
7327 | } | |
7328 | } else { | |
7329 | int address_offset; | |
7330 | int load; | |
7331 | /* Misc load/store */ | |
7332 | rn = (insn >> 16) & 0xf; | |
7333 | rd = (insn >> 12) & 0xf; | |
b0109805 | 7334 | addr = load_reg(s, rn); |
9ee6e8bb | 7335 | if (insn & (1 << 24)) |
b0109805 | 7336 | gen_add_datah_offset(s, insn, 0, addr); |
9ee6e8bb PB |
7337 | address_offset = 0; |
7338 | if (insn & (1 << 20)) { | |
7339 | /* load */ | |
7340 | switch(sh) { | |
7341 | case 1: | |
b0109805 | 7342 | tmp = gen_ld16u(addr, IS_USER(s)); |
9ee6e8bb PB |
7343 | break; |
7344 | case 2: | |
b0109805 | 7345 | tmp = gen_ld8s(addr, IS_USER(s)); |
9ee6e8bb PB |
7346 | break; |
7347 | default: | |
7348 | case 3: | |
b0109805 | 7349 | tmp = gen_ld16s(addr, IS_USER(s)); |
9ee6e8bb PB |
7350 | break; |
7351 | } | |
7352 | load = 1; | |
7353 | } else if (sh & 2) { | |
be5e7a76 | 7354 | ARCH(5TE); |
9ee6e8bb PB |
7355 | /* doubleword */ |
7356 | if (sh & 1) { | |
7357 | /* store */ | |
b0109805 PB |
7358 | tmp = load_reg(s, rd); |
7359 | gen_st32(tmp, addr, IS_USER(s)); | |
7360 | tcg_gen_addi_i32(addr, addr, 4); | |
7361 | tmp = load_reg(s, rd + 1); | |
7362 | gen_st32(tmp, addr, IS_USER(s)); | |
9ee6e8bb PB |
7363 | load = 0; |
7364 | } else { | |
7365 | /* load */ | |
b0109805 PB |
7366 | tmp = gen_ld32(addr, IS_USER(s)); |
7367 | store_reg(s, rd, tmp); | |
7368 | tcg_gen_addi_i32(addr, addr, 4); | |
7369 | tmp = gen_ld32(addr, IS_USER(s)); | |
9ee6e8bb PB |
7370 | rd++; |
7371 | load = 1; | |
7372 | } | |
7373 | address_offset = -4; | |
7374 | } else { | |
7375 | /* store */ | |
b0109805 PB |
7376 | tmp = load_reg(s, rd); |
7377 | gen_st16(tmp, addr, IS_USER(s)); | |
9ee6e8bb PB |
7378 | load = 0; |
7379 | } | |
7380 | /* Perform base writeback before the loaded value to | |
7381 | ensure correct behavior with overlapping index registers. | |
7382 | ldrd with base writeback is is undefined if the | |
7383 | destination and index registers overlap. */ | |
7384 | if (!(insn & (1 << 24))) { | |
b0109805 PB |
7385 | gen_add_datah_offset(s, insn, address_offset, addr); |
7386 | store_reg(s, rn, addr); | |
9ee6e8bb PB |
7387 | } else if (insn & (1 << 21)) { |
7388 | if (address_offset) | |
b0109805 PB |
7389 | tcg_gen_addi_i32(addr, addr, address_offset); |
7390 | store_reg(s, rn, addr); | |
7391 | } else { | |
7d1b0095 | 7392 | tcg_temp_free_i32(addr); |
9ee6e8bb PB |
7393 | } |
7394 | if (load) { | |
7395 | /* Complete the load. */ | |
b0109805 | 7396 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7397 | } |
7398 | } | |
7399 | break; | |
7400 | case 0x4: | |
7401 | case 0x5: | |
7402 | goto do_ldst; | |
7403 | case 0x6: | |
7404 | case 0x7: | |
7405 | if (insn & (1 << 4)) { | |
7406 | ARCH(6); | |
7407 | /* Armv6 Media instructions. */ | |
7408 | rm = insn & 0xf; | |
7409 | rn = (insn >> 16) & 0xf; | |
2c0262af | 7410 | rd = (insn >> 12) & 0xf; |
9ee6e8bb PB |
7411 | rs = (insn >> 8) & 0xf; |
7412 | switch ((insn >> 23) & 3) { | |
7413 | case 0: /* Parallel add/subtract. */ | |
7414 | op1 = (insn >> 20) & 7; | |
6ddbc6e4 PB |
7415 | tmp = load_reg(s, rn); |
7416 | tmp2 = load_reg(s, rm); | |
9ee6e8bb PB |
7417 | sh = (insn >> 5) & 7; |
7418 | if ((op1 & 3) == 0 || sh == 5 || sh == 6) | |
7419 | goto illegal_op; | |
6ddbc6e4 | 7420 | gen_arm_parallel_addsub(op1, sh, tmp, tmp2); |
7d1b0095 | 7421 | tcg_temp_free_i32(tmp2); |
6ddbc6e4 | 7422 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7423 | break; |
7424 | case 1: | |
7425 | if ((insn & 0x00700020) == 0) { | |
6c95676b | 7426 | /* Halfword pack. */ |
3670669c PB |
7427 | tmp = load_reg(s, rn); |
7428 | tmp2 = load_reg(s, rm); | |
9ee6e8bb | 7429 | shift = (insn >> 7) & 0x1f; |
3670669c PB |
7430 | if (insn & (1 << 6)) { |
7431 | /* pkhtb */ | |
22478e79 AZ |
7432 | if (shift == 0) |
7433 | shift = 31; | |
7434 | tcg_gen_sari_i32(tmp2, tmp2, shift); | |
3670669c | 7435 | tcg_gen_andi_i32(tmp, tmp, 0xffff0000); |
86831435 | 7436 | tcg_gen_ext16u_i32(tmp2, tmp2); |
3670669c PB |
7437 | } else { |
7438 | /* pkhbt */ | |
22478e79 AZ |
7439 | if (shift) |
7440 | tcg_gen_shli_i32(tmp2, tmp2, shift); | |
86831435 | 7441 | tcg_gen_ext16u_i32(tmp, tmp); |
3670669c PB |
7442 | tcg_gen_andi_i32(tmp2, tmp2, 0xffff0000); |
7443 | } | |
7444 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
7d1b0095 | 7445 | tcg_temp_free_i32(tmp2); |
3670669c | 7446 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7447 | } else if ((insn & 0x00200020) == 0x00200000) { |
7448 | /* [us]sat */ | |
6ddbc6e4 | 7449 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
7450 | shift = (insn >> 7) & 0x1f; |
7451 | if (insn & (1 << 6)) { | |
7452 | if (shift == 0) | |
7453 | shift = 31; | |
6ddbc6e4 | 7454 | tcg_gen_sari_i32(tmp, tmp, shift); |
9ee6e8bb | 7455 | } else { |
6ddbc6e4 | 7456 | tcg_gen_shli_i32(tmp, tmp, shift); |
9ee6e8bb PB |
7457 | } |
7458 | sh = (insn >> 16) & 0x1f; | |
40d3c433 CL |
7459 | tmp2 = tcg_const_i32(sh); |
7460 | if (insn & (1 << 22)) | |
7461 | gen_helper_usat(tmp, tmp, tmp2); | |
7462 | else | |
7463 | gen_helper_ssat(tmp, tmp, tmp2); | |
7464 | tcg_temp_free_i32(tmp2); | |
6ddbc6e4 | 7465 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7466 | } else if ((insn & 0x00300fe0) == 0x00200f20) { |
7467 | /* [us]sat16 */ | |
6ddbc6e4 | 7468 | tmp = load_reg(s, rm); |
9ee6e8bb | 7469 | sh = (insn >> 16) & 0x1f; |
40d3c433 CL |
7470 | tmp2 = tcg_const_i32(sh); |
7471 | if (insn & (1 << 22)) | |
7472 | gen_helper_usat16(tmp, tmp, tmp2); | |
7473 | else | |
7474 | gen_helper_ssat16(tmp, tmp, tmp2); | |
7475 | tcg_temp_free_i32(tmp2); | |
6ddbc6e4 | 7476 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7477 | } else if ((insn & 0x00700fe0) == 0x00000fa0) { |
7478 | /* Select bytes. */ | |
6ddbc6e4 PB |
7479 | tmp = load_reg(s, rn); |
7480 | tmp2 = load_reg(s, rm); | |
7d1b0095 | 7481 | tmp3 = tcg_temp_new_i32(); |
6ddbc6e4 PB |
7482 | tcg_gen_ld_i32(tmp3, cpu_env, offsetof(CPUState, GE)); |
7483 | gen_helper_sel_flags(tmp, tmp3, tmp, tmp2); | |
7d1b0095 PM |
7484 | tcg_temp_free_i32(tmp3); |
7485 | tcg_temp_free_i32(tmp2); | |
6ddbc6e4 | 7486 | store_reg(s, rd, tmp); |
9ee6e8bb | 7487 | } else if ((insn & 0x000003e0) == 0x00000060) { |
5e3f878a | 7488 | tmp = load_reg(s, rm); |
9ee6e8bb | 7489 | shift = (insn >> 10) & 3; |
1301f322 | 7490 | /* ??? In many cases it's not necessary to do a |
9ee6e8bb PB |
7491 | rotate, a shift is sufficient. */ |
7492 | if (shift != 0) | |
f669df27 | 7493 | tcg_gen_rotri_i32(tmp, tmp, shift * 8); |
9ee6e8bb PB |
7494 | op1 = (insn >> 20) & 7; |
7495 | switch (op1) { | |
5e3f878a PB |
7496 | case 0: gen_sxtb16(tmp); break; |
7497 | case 2: gen_sxtb(tmp); break; | |
7498 | case 3: gen_sxth(tmp); break; | |
7499 | case 4: gen_uxtb16(tmp); break; | |
7500 | case 6: gen_uxtb(tmp); break; | |
7501 | case 7: gen_uxth(tmp); break; | |
9ee6e8bb PB |
7502 | default: goto illegal_op; |
7503 | } | |
7504 | if (rn != 15) { | |
5e3f878a | 7505 | tmp2 = load_reg(s, rn); |
9ee6e8bb | 7506 | if ((op1 & 3) == 0) { |
5e3f878a | 7507 | gen_add16(tmp, tmp2); |
9ee6e8bb | 7508 | } else { |
5e3f878a | 7509 | tcg_gen_add_i32(tmp, tmp, tmp2); |
7d1b0095 | 7510 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
7511 | } |
7512 | } | |
6c95676b | 7513 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7514 | } else if ((insn & 0x003f0f60) == 0x003f0f20) { |
7515 | /* rev */ | |
b0109805 | 7516 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
7517 | if (insn & (1 << 22)) { |
7518 | if (insn & (1 << 7)) { | |
b0109805 | 7519 | gen_revsh(tmp); |
9ee6e8bb PB |
7520 | } else { |
7521 | ARCH(6T2); | |
b0109805 | 7522 | gen_helper_rbit(tmp, tmp); |
9ee6e8bb PB |
7523 | } |
7524 | } else { | |
7525 | if (insn & (1 << 7)) | |
b0109805 | 7526 | gen_rev16(tmp); |
9ee6e8bb | 7527 | else |
66896cb8 | 7528 | tcg_gen_bswap32_i32(tmp, tmp); |
9ee6e8bb | 7529 | } |
b0109805 | 7530 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7531 | } else { |
7532 | goto illegal_op; | |
7533 | } | |
7534 | break; | |
7535 | case 2: /* Multiplies (Type 3). */ | |
5e3f878a PB |
7536 | tmp = load_reg(s, rm); |
7537 | tmp2 = load_reg(s, rs); | |
9ee6e8bb | 7538 | if (insn & (1 << 20)) { |
838fa72d AJ |
7539 | /* Signed multiply most significant [accumulate]. |
7540 | (SMMUL, SMMLA, SMMLS) */ | |
a7812ae4 | 7541 | tmp64 = gen_muls_i64_i32(tmp, tmp2); |
838fa72d | 7542 | |
955a7dd5 | 7543 | if (rd != 15) { |
838fa72d | 7544 | tmp = load_reg(s, rd); |
9ee6e8bb | 7545 | if (insn & (1 << 6)) { |
838fa72d | 7546 | tmp64 = gen_subq_msw(tmp64, tmp); |
9ee6e8bb | 7547 | } else { |
838fa72d | 7548 | tmp64 = gen_addq_msw(tmp64, tmp); |
9ee6e8bb PB |
7549 | } |
7550 | } | |
838fa72d AJ |
7551 | if (insn & (1 << 5)) { |
7552 | tcg_gen_addi_i64(tmp64, tmp64, 0x80000000u); | |
7553 | } | |
7554 | tcg_gen_shri_i64(tmp64, tmp64, 32); | |
7d1b0095 | 7555 | tmp = tcg_temp_new_i32(); |
838fa72d AJ |
7556 | tcg_gen_trunc_i64_i32(tmp, tmp64); |
7557 | tcg_temp_free_i64(tmp64); | |
955a7dd5 | 7558 | store_reg(s, rn, tmp); |
9ee6e8bb PB |
7559 | } else { |
7560 | if (insn & (1 << 5)) | |
5e3f878a PB |
7561 | gen_swap_half(tmp2); |
7562 | gen_smul_dual(tmp, tmp2); | |
5e3f878a | 7563 | if (insn & (1 << 6)) { |
e1d177b9 | 7564 | /* This subtraction cannot overflow. */ |
5e3f878a PB |
7565 | tcg_gen_sub_i32(tmp, tmp, tmp2); |
7566 | } else { | |
e1d177b9 PM |
7567 | /* This addition cannot overflow 32 bits; |
7568 | * however it may overflow considered as a signed | |
7569 | * operation, in which case we must set the Q flag. | |
7570 | */ | |
7571 | gen_helper_add_setq(tmp, tmp, tmp2); | |
5e3f878a | 7572 | } |
7d1b0095 | 7573 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 7574 | if (insn & (1 << 22)) { |
5e3f878a | 7575 | /* smlald, smlsld */ |
a7812ae4 PB |
7576 | tmp64 = tcg_temp_new_i64(); |
7577 | tcg_gen_ext_i32_i64(tmp64, tmp); | |
7d1b0095 | 7578 | tcg_temp_free_i32(tmp); |
a7812ae4 PB |
7579 | gen_addq(s, tmp64, rd, rn); |
7580 | gen_storeq_reg(s, rd, rn, tmp64); | |
b75263d6 | 7581 | tcg_temp_free_i64(tmp64); |
9ee6e8bb | 7582 | } else { |
5e3f878a | 7583 | /* smuad, smusd, smlad, smlsd */ |
22478e79 | 7584 | if (rd != 15) |
9ee6e8bb | 7585 | { |
22478e79 | 7586 | tmp2 = load_reg(s, rd); |
5e3f878a | 7587 | gen_helper_add_setq(tmp, tmp, tmp2); |
7d1b0095 | 7588 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 7589 | } |
22478e79 | 7590 | store_reg(s, rn, tmp); |
9ee6e8bb PB |
7591 | } |
7592 | } | |
7593 | break; | |
7594 | case 3: | |
7595 | op1 = ((insn >> 17) & 0x38) | ((insn >> 5) & 7); | |
7596 | switch (op1) { | |
7597 | case 0: /* Unsigned sum of absolute differences. */ | |
6ddbc6e4 PB |
7598 | ARCH(6); |
7599 | tmp = load_reg(s, rm); | |
7600 | tmp2 = load_reg(s, rs); | |
7601 | gen_helper_usad8(tmp, tmp, tmp2); | |
7d1b0095 | 7602 | tcg_temp_free_i32(tmp2); |
ded9d295 AZ |
7603 | if (rd != 15) { |
7604 | tmp2 = load_reg(s, rd); | |
6ddbc6e4 | 7605 | tcg_gen_add_i32(tmp, tmp, tmp2); |
7d1b0095 | 7606 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 7607 | } |
ded9d295 | 7608 | store_reg(s, rn, tmp); |
9ee6e8bb PB |
7609 | break; |
7610 | case 0x20: case 0x24: case 0x28: case 0x2c: | |
7611 | /* Bitfield insert/clear. */ | |
7612 | ARCH(6T2); | |
7613 | shift = (insn >> 7) & 0x1f; | |
7614 | i = (insn >> 16) & 0x1f; | |
7615 | i = i + 1 - shift; | |
7616 | if (rm == 15) { | |
7d1b0095 | 7617 | tmp = tcg_temp_new_i32(); |
5e3f878a | 7618 | tcg_gen_movi_i32(tmp, 0); |
9ee6e8bb | 7619 | } else { |
5e3f878a | 7620 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
7621 | } |
7622 | if (i != 32) { | |
5e3f878a | 7623 | tmp2 = load_reg(s, rd); |
8f8e3aa4 | 7624 | gen_bfi(tmp, tmp2, tmp, shift, (1u << i) - 1); |
7d1b0095 | 7625 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 7626 | } |
5e3f878a | 7627 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7628 | break; |
7629 | case 0x12: case 0x16: case 0x1a: case 0x1e: /* sbfx */ | |
7630 | case 0x32: case 0x36: case 0x3a: case 0x3e: /* ubfx */ | |
4cc633c3 | 7631 | ARCH(6T2); |
5e3f878a | 7632 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
7633 | shift = (insn >> 7) & 0x1f; |
7634 | i = ((insn >> 16) & 0x1f) + 1; | |
7635 | if (shift + i > 32) | |
7636 | goto illegal_op; | |
7637 | if (i < 32) { | |
7638 | if (op1 & 0x20) { | |
5e3f878a | 7639 | gen_ubfx(tmp, shift, (1u << i) - 1); |
9ee6e8bb | 7640 | } else { |
5e3f878a | 7641 | gen_sbfx(tmp, shift, i); |
9ee6e8bb PB |
7642 | } |
7643 | } | |
5e3f878a | 7644 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7645 | break; |
7646 | default: | |
7647 | goto illegal_op; | |
7648 | } | |
7649 | break; | |
7650 | } | |
7651 | break; | |
7652 | } | |
7653 | do_ldst: | |
7654 | /* Check for undefined extension instructions | |
7655 | * per the ARM Bible IE: | |
7656 | * xxxx 0111 1111 xxxx xxxx xxxx 1111 xxxx | |
7657 | */ | |
7658 | sh = (0xf << 20) | (0xf << 4); | |
7659 | if (op1 == 0x7 && ((insn & sh) == sh)) | |
7660 | { | |
7661 | goto illegal_op; | |
7662 | } | |
7663 | /* load/store byte/word */ | |
7664 | rn = (insn >> 16) & 0xf; | |
7665 | rd = (insn >> 12) & 0xf; | |
b0109805 | 7666 | tmp2 = load_reg(s, rn); |
9ee6e8bb PB |
7667 | i = (IS_USER(s) || (insn & 0x01200000) == 0x00200000); |
7668 | if (insn & (1 << 24)) | |
b0109805 | 7669 | gen_add_data_offset(s, insn, tmp2); |
9ee6e8bb PB |
7670 | if (insn & (1 << 20)) { |
7671 | /* load */ | |
9ee6e8bb | 7672 | if (insn & (1 << 22)) { |
b0109805 | 7673 | tmp = gen_ld8u(tmp2, i); |
9ee6e8bb | 7674 | } else { |
b0109805 | 7675 | tmp = gen_ld32(tmp2, i); |
9ee6e8bb | 7676 | } |
9ee6e8bb PB |
7677 | } else { |
7678 | /* store */ | |
b0109805 | 7679 | tmp = load_reg(s, rd); |
9ee6e8bb | 7680 | if (insn & (1 << 22)) |
b0109805 | 7681 | gen_st8(tmp, tmp2, i); |
9ee6e8bb | 7682 | else |
b0109805 | 7683 | gen_st32(tmp, tmp2, i); |
9ee6e8bb PB |
7684 | } |
7685 | if (!(insn & (1 << 24))) { | |
b0109805 PB |
7686 | gen_add_data_offset(s, insn, tmp2); |
7687 | store_reg(s, rn, tmp2); | |
7688 | } else if (insn & (1 << 21)) { | |
7689 | store_reg(s, rn, tmp2); | |
7690 | } else { | |
7d1b0095 | 7691 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
7692 | } |
7693 | if (insn & (1 << 20)) { | |
7694 | /* Complete the load. */ | |
be5e7a76 | 7695 | store_reg_from_load(env, s, rd, tmp); |
9ee6e8bb PB |
7696 | } |
7697 | break; | |
7698 | case 0x08: | |
7699 | case 0x09: | |
7700 | { | |
7701 | int j, n, user, loaded_base; | |
b0109805 | 7702 | TCGv loaded_var; |
9ee6e8bb PB |
7703 | /* load/store multiple words */ |
7704 | /* XXX: store correct base if write back */ | |
7705 | user = 0; | |
7706 | if (insn & (1 << 22)) { | |
7707 | if (IS_USER(s)) | |
7708 | goto illegal_op; /* only usable in supervisor mode */ | |
7709 | ||
7710 | if ((insn & (1 << 15)) == 0) | |
7711 | user = 1; | |
7712 | } | |
7713 | rn = (insn >> 16) & 0xf; | |
b0109805 | 7714 | addr = load_reg(s, rn); |
9ee6e8bb PB |
7715 | |
7716 | /* compute total size */ | |
7717 | loaded_base = 0; | |
a50f5b91 | 7718 | TCGV_UNUSED(loaded_var); |
9ee6e8bb PB |
7719 | n = 0; |
7720 | for(i=0;i<16;i++) { | |
7721 | if (insn & (1 << i)) | |
7722 | n++; | |
7723 | } | |
7724 | /* XXX: test invalid n == 0 case ? */ | |
7725 | if (insn & (1 << 23)) { | |
7726 | if (insn & (1 << 24)) { | |
7727 | /* pre increment */ | |
b0109805 | 7728 | tcg_gen_addi_i32(addr, addr, 4); |
9ee6e8bb PB |
7729 | } else { |
7730 | /* post increment */ | |
7731 | } | |
7732 | } else { | |
7733 | if (insn & (1 << 24)) { | |
7734 | /* pre decrement */ | |
b0109805 | 7735 | tcg_gen_addi_i32(addr, addr, -(n * 4)); |
9ee6e8bb PB |
7736 | } else { |
7737 | /* post decrement */ | |
7738 | if (n != 1) | |
b0109805 | 7739 | tcg_gen_addi_i32(addr, addr, -((n - 1) * 4)); |
9ee6e8bb PB |
7740 | } |
7741 | } | |
7742 | j = 0; | |
7743 | for(i=0;i<16;i++) { | |
7744 | if (insn & (1 << i)) { | |
7745 | if (insn & (1 << 20)) { | |
7746 | /* load */ | |
b0109805 | 7747 | tmp = gen_ld32(addr, IS_USER(s)); |
be5e7a76 | 7748 | if (user) { |
b75263d6 JR |
7749 | tmp2 = tcg_const_i32(i); |
7750 | gen_helper_set_user_reg(tmp2, tmp); | |
7751 | tcg_temp_free_i32(tmp2); | |
7d1b0095 | 7752 | tcg_temp_free_i32(tmp); |
9ee6e8bb | 7753 | } else if (i == rn) { |
b0109805 | 7754 | loaded_var = tmp; |
9ee6e8bb PB |
7755 | loaded_base = 1; |
7756 | } else { | |
be5e7a76 | 7757 | store_reg_from_load(env, s, i, tmp); |
9ee6e8bb PB |
7758 | } |
7759 | } else { | |
7760 | /* store */ | |
7761 | if (i == 15) { | |
7762 | /* special case: r15 = PC + 8 */ | |
7763 | val = (long)s->pc + 4; | |
7d1b0095 | 7764 | tmp = tcg_temp_new_i32(); |
b0109805 | 7765 | tcg_gen_movi_i32(tmp, val); |
9ee6e8bb | 7766 | } else if (user) { |
7d1b0095 | 7767 | tmp = tcg_temp_new_i32(); |
b75263d6 JR |
7768 | tmp2 = tcg_const_i32(i); |
7769 | gen_helper_get_user_reg(tmp, tmp2); | |
7770 | tcg_temp_free_i32(tmp2); | |
9ee6e8bb | 7771 | } else { |
b0109805 | 7772 | tmp = load_reg(s, i); |
9ee6e8bb | 7773 | } |
b0109805 | 7774 | gen_st32(tmp, addr, IS_USER(s)); |
9ee6e8bb PB |
7775 | } |
7776 | j++; | |
7777 | /* no need to add after the last transfer */ | |
7778 | if (j != n) | |
b0109805 | 7779 | tcg_gen_addi_i32(addr, addr, 4); |
9ee6e8bb PB |
7780 | } |
7781 | } | |
7782 | if (insn & (1 << 21)) { | |
7783 | /* write back */ | |
7784 | if (insn & (1 << 23)) { | |
7785 | if (insn & (1 << 24)) { | |
7786 | /* pre increment */ | |
7787 | } else { | |
7788 | /* post increment */ | |
b0109805 | 7789 | tcg_gen_addi_i32(addr, addr, 4); |
9ee6e8bb PB |
7790 | } |
7791 | } else { | |
7792 | if (insn & (1 << 24)) { | |
7793 | /* pre decrement */ | |
7794 | if (n != 1) | |
b0109805 | 7795 | tcg_gen_addi_i32(addr, addr, -((n - 1) * 4)); |
9ee6e8bb PB |
7796 | } else { |
7797 | /* post decrement */ | |
b0109805 | 7798 | tcg_gen_addi_i32(addr, addr, -(n * 4)); |
9ee6e8bb PB |
7799 | } |
7800 | } | |
b0109805 PB |
7801 | store_reg(s, rn, addr); |
7802 | } else { | |
7d1b0095 | 7803 | tcg_temp_free_i32(addr); |
9ee6e8bb PB |
7804 | } |
7805 | if (loaded_base) { | |
b0109805 | 7806 | store_reg(s, rn, loaded_var); |
9ee6e8bb PB |
7807 | } |
7808 | if ((insn & (1 << 22)) && !user) { | |
7809 | /* Restore CPSR from SPSR. */ | |
d9ba4830 PB |
7810 | tmp = load_cpu_field(spsr); |
7811 | gen_set_cpsr(tmp, 0xffffffff); | |
7d1b0095 | 7812 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
7813 | s->is_jmp = DISAS_UPDATE; |
7814 | } | |
7815 | } | |
7816 | break; | |
7817 | case 0xa: | |
7818 | case 0xb: | |
7819 | { | |
7820 | int32_t offset; | |
7821 | ||
7822 | /* branch (and link) */ | |
7823 | val = (int32_t)s->pc; | |
7824 | if (insn & (1 << 24)) { | |
7d1b0095 | 7825 | tmp = tcg_temp_new_i32(); |
5e3f878a PB |
7826 | tcg_gen_movi_i32(tmp, val); |
7827 | store_reg(s, 14, tmp); | |
9ee6e8bb PB |
7828 | } |
7829 | offset = (((int32_t)insn << 8) >> 8); | |
7830 | val += (offset << 2) + 4; | |
7831 | gen_jmp(s, val); | |
7832 | } | |
7833 | break; | |
7834 | case 0xc: | |
7835 | case 0xd: | |
7836 | case 0xe: | |
7837 | /* Coprocessor. */ | |
7838 | if (disas_coproc_insn(env, s, insn)) | |
7839 | goto illegal_op; | |
7840 | break; | |
7841 | case 0xf: | |
7842 | /* swi */ | |
5e3f878a | 7843 | gen_set_pc_im(s->pc); |
9ee6e8bb PB |
7844 | s->is_jmp = DISAS_SWI; |
7845 | break; | |
7846 | default: | |
7847 | illegal_op: | |
bc4a0de0 | 7848 | gen_exception_insn(s, 4, EXCP_UDEF); |
9ee6e8bb PB |
7849 | break; |
7850 | } | |
7851 | } | |
7852 | } | |
7853 | ||
7854 | /* Return true if this is a Thumb-2 logical op. */ | |
7855 | static int | |
7856 | thumb2_logic_op(int op) | |
7857 | { | |
7858 | return (op < 8); | |
7859 | } | |
7860 | ||
7861 | /* Generate code for a Thumb-2 data processing operation. If CONDS is nonzero | |
7862 | then set condition code flags based on the result of the operation. | |
7863 | If SHIFTER_OUT is nonzero then set the carry flag for logical operations | |
7864 | to the high bit of T1. | |
7865 | Returns zero if the opcode is valid. */ | |
7866 | ||
7867 | static int | |
396e467c | 7868 | gen_thumb2_data_op(DisasContext *s, int op, int conds, uint32_t shifter_out, TCGv t0, TCGv t1) |
9ee6e8bb PB |
7869 | { |
7870 | int logic_cc; | |
7871 | ||
7872 | logic_cc = 0; | |
7873 | switch (op) { | |
7874 | case 0: /* and */ | |
396e467c | 7875 | tcg_gen_and_i32(t0, t0, t1); |
9ee6e8bb PB |
7876 | logic_cc = conds; |
7877 | break; | |
7878 | case 1: /* bic */ | |
f669df27 | 7879 | tcg_gen_andc_i32(t0, t0, t1); |
9ee6e8bb PB |
7880 | logic_cc = conds; |
7881 | break; | |
7882 | case 2: /* orr */ | |
396e467c | 7883 | tcg_gen_or_i32(t0, t0, t1); |
9ee6e8bb PB |
7884 | logic_cc = conds; |
7885 | break; | |
7886 | case 3: /* orn */ | |
29501f1b | 7887 | tcg_gen_orc_i32(t0, t0, t1); |
9ee6e8bb PB |
7888 | logic_cc = conds; |
7889 | break; | |
7890 | case 4: /* eor */ | |
396e467c | 7891 | tcg_gen_xor_i32(t0, t0, t1); |
9ee6e8bb PB |
7892 | logic_cc = conds; |
7893 | break; | |
7894 | case 8: /* add */ | |
7895 | if (conds) | |
396e467c | 7896 | gen_helper_add_cc(t0, t0, t1); |
9ee6e8bb | 7897 | else |
396e467c | 7898 | tcg_gen_add_i32(t0, t0, t1); |
9ee6e8bb PB |
7899 | break; |
7900 | case 10: /* adc */ | |
7901 | if (conds) | |
396e467c | 7902 | gen_helper_adc_cc(t0, t0, t1); |
9ee6e8bb | 7903 | else |
396e467c | 7904 | gen_adc(t0, t1); |
9ee6e8bb PB |
7905 | break; |
7906 | case 11: /* sbc */ | |
7907 | if (conds) | |
396e467c | 7908 | gen_helper_sbc_cc(t0, t0, t1); |
9ee6e8bb | 7909 | else |
396e467c | 7910 | gen_sub_carry(t0, t0, t1); |
9ee6e8bb PB |
7911 | break; |
7912 | case 13: /* sub */ | |
7913 | if (conds) | |
396e467c | 7914 | gen_helper_sub_cc(t0, t0, t1); |
9ee6e8bb | 7915 | else |
396e467c | 7916 | tcg_gen_sub_i32(t0, t0, t1); |
9ee6e8bb PB |
7917 | break; |
7918 | case 14: /* rsb */ | |
7919 | if (conds) | |
396e467c | 7920 | gen_helper_sub_cc(t0, t1, t0); |
9ee6e8bb | 7921 | else |
396e467c | 7922 | tcg_gen_sub_i32(t0, t1, t0); |
9ee6e8bb PB |
7923 | break; |
7924 | default: /* 5, 6, 7, 9, 12, 15. */ | |
7925 | return 1; | |
7926 | } | |
7927 | if (logic_cc) { | |
396e467c | 7928 | gen_logic_CC(t0); |
9ee6e8bb | 7929 | if (shifter_out) |
396e467c | 7930 | gen_set_CF_bit31(t1); |
9ee6e8bb PB |
7931 | } |
7932 | return 0; | |
7933 | } | |
7934 | ||
7935 | /* Translate a 32-bit thumb instruction. Returns nonzero if the instruction | |
7936 | is not legal. */ | |
7937 | static int disas_thumb2_insn(CPUState *env, DisasContext *s, uint16_t insn_hw1) | |
7938 | { | |
b0109805 | 7939 | uint32_t insn, imm, shift, offset; |
9ee6e8bb | 7940 | uint32_t rd, rn, rm, rs; |
b26eefb6 | 7941 | TCGv tmp; |
6ddbc6e4 PB |
7942 | TCGv tmp2; |
7943 | TCGv tmp3; | |
b0109805 | 7944 | TCGv addr; |
a7812ae4 | 7945 | TCGv_i64 tmp64; |
9ee6e8bb PB |
7946 | int op; |
7947 | int shiftop; | |
7948 | int conds; | |
7949 | int logic_cc; | |
7950 | ||
7951 | if (!(arm_feature(env, ARM_FEATURE_THUMB2) | |
7952 | || arm_feature (env, ARM_FEATURE_M))) { | |
601d70b9 | 7953 | /* Thumb-1 cores may need to treat bl and blx as a pair of |
9ee6e8bb PB |
7954 | 16-bit instructions to get correct prefetch abort behavior. */ |
7955 | insn = insn_hw1; | |
7956 | if ((insn & (1 << 12)) == 0) { | |
be5e7a76 | 7957 | ARCH(5); |
9ee6e8bb PB |
7958 | /* Second half of blx. */ |
7959 | offset = ((insn & 0x7ff) << 1); | |
d9ba4830 PB |
7960 | tmp = load_reg(s, 14); |
7961 | tcg_gen_addi_i32(tmp, tmp, offset); | |
7962 | tcg_gen_andi_i32(tmp, tmp, 0xfffffffc); | |
9ee6e8bb | 7963 | |
7d1b0095 | 7964 | tmp2 = tcg_temp_new_i32(); |
b0109805 | 7965 | tcg_gen_movi_i32(tmp2, s->pc | 1); |
d9ba4830 PB |
7966 | store_reg(s, 14, tmp2); |
7967 | gen_bx(s, tmp); | |
9ee6e8bb PB |
7968 | return 0; |
7969 | } | |
7970 | if (insn & (1 << 11)) { | |
7971 | /* Second half of bl. */ | |
7972 | offset = ((insn & 0x7ff) << 1) | 1; | |
d9ba4830 | 7973 | tmp = load_reg(s, 14); |
6a0d8a1d | 7974 | tcg_gen_addi_i32(tmp, tmp, offset); |
9ee6e8bb | 7975 | |
7d1b0095 | 7976 | tmp2 = tcg_temp_new_i32(); |
b0109805 | 7977 | tcg_gen_movi_i32(tmp2, s->pc | 1); |
d9ba4830 PB |
7978 | store_reg(s, 14, tmp2); |
7979 | gen_bx(s, tmp); | |
9ee6e8bb PB |
7980 | return 0; |
7981 | } | |
7982 | if ((s->pc & ~TARGET_PAGE_MASK) == 0) { | |
7983 | /* Instruction spans a page boundary. Implement it as two | |
7984 | 16-bit instructions in case the second half causes an | |
7985 | prefetch abort. */ | |
7986 | offset = ((int32_t)insn << 21) >> 9; | |
396e467c | 7987 | tcg_gen_movi_i32(cpu_R[14], s->pc + 2 + offset); |
9ee6e8bb PB |
7988 | return 0; |
7989 | } | |
7990 | /* Fall through to 32-bit decode. */ | |
7991 | } | |
7992 | ||
7993 | insn = lduw_code(s->pc); | |
7994 | s->pc += 2; | |
7995 | insn |= (uint32_t)insn_hw1 << 16; | |
7996 | ||
7997 | if ((insn & 0xf800e800) != 0xf000e800) { | |
7998 | ARCH(6T2); | |
7999 | } | |
8000 | ||
8001 | rn = (insn >> 16) & 0xf; | |
8002 | rs = (insn >> 12) & 0xf; | |
8003 | rd = (insn >> 8) & 0xf; | |
8004 | rm = insn & 0xf; | |
8005 | switch ((insn >> 25) & 0xf) { | |
8006 | case 0: case 1: case 2: case 3: | |
8007 | /* 16-bit instructions. Should never happen. */ | |
8008 | abort(); | |
8009 | case 4: | |
8010 | if (insn & (1 << 22)) { | |
8011 | /* Other load/store, table branch. */ | |
8012 | if (insn & 0x01200000) { | |
8013 | /* Load/store doubleword. */ | |
8014 | if (rn == 15) { | |
7d1b0095 | 8015 | addr = tcg_temp_new_i32(); |
b0109805 | 8016 | tcg_gen_movi_i32(addr, s->pc & ~3); |
9ee6e8bb | 8017 | } else { |
b0109805 | 8018 | addr = load_reg(s, rn); |
9ee6e8bb PB |
8019 | } |
8020 | offset = (insn & 0xff) * 4; | |
8021 | if ((insn & (1 << 23)) == 0) | |
8022 | offset = -offset; | |
8023 | if (insn & (1 << 24)) { | |
b0109805 | 8024 | tcg_gen_addi_i32(addr, addr, offset); |
9ee6e8bb PB |
8025 | offset = 0; |
8026 | } | |
8027 | if (insn & (1 << 20)) { | |
8028 | /* ldrd */ | |
b0109805 PB |
8029 | tmp = gen_ld32(addr, IS_USER(s)); |
8030 | store_reg(s, rs, tmp); | |
8031 | tcg_gen_addi_i32(addr, addr, 4); | |
8032 | tmp = gen_ld32(addr, IS_USER(s)); | |
8033 | store_reg(s, rd, tmp); | |
9ee6e8bb PB |
8034 | } else { |
8035 | /* strd */ | |
b0109805 PB |
8036 | tmp = load_reg(s, rs); |
8037 | gen_st32(tmp, addr, IS_USER(s)); | |
8038 | tcg_gen_addi_i32(addr, addr, 4); | |
8039 | tmp = load_reg(s, rd); | |
8040 | gen_st32(tmp, addr, IS_USER(s)); | |
9ee6e8bb PB |
8041 | } |
8042 | if (insn & (1 << 21)) { | |
8043 | /* Base writeback. */ | |
8044 | if (rn == 15) | |
8045 | goto illegal_op; | |
b0109805 PB |
8046 | tcg_gen_addi_i32(addr, addr, offset - 4); |
8047 | store_reg(s, rn, addr); | |
8048 | } else { | |
7d1b0095 | 8049 | tcg_temp_free_i32(addr); |
9ee6e8bb PB |
8050 | } |
8051 | } else if ((insn & (1 << 23)) == 0) { | |
8052 | /* Load/store exclusive word. */ | |
3174f8e9 | 8053 | addr = tcg_temp_local_new(); |
98a46317 | 8054 | load_reg_var(s, addr, rn); |
426f5abc | 8055 | tcg_gen_addi_i32(addr, addr, (insn & 0xff) << 2); |
2c0262af | 8056 | if (insn & (1 << 20)) { |
426f5abc | 8057 | gen_load_exclusive(s, rs, 15, addr, 2); |
9ee6e8bb | 8058 | } else { |
426f5abc | 8059 | gen_store_exclusive(s, rd, rs, 15, addr, 2); |
9ee6e8bb | 8060 | } |
3174f8e9 | 8061 | tcg_temp_free(addr); |
9ee6e8bb PB |
8062 | } else if ((insn & (1 << 6)) == 0) { |
8063 | /* Table Branch. */ | |
8064 | if (rn == 15) { | |
7d1b0095 | 8065 | addr = tcg_temp_new_i32(); |
b0109805 | 8066 | tcg_gen_movi_i32(addr, s->pc); |
9ee6e8bb | 8067 | } else { |
b0109805 | 8068 | addr = load_reg(s, rn); |
9ee6e8bb | 8069 | } |
b26eefb6 | 8070 | tmp = load_reg(s, rm); |
b0109805 | 8071 | tcg_gen_add_i32(addr, addr, tmp); |
9ee6e8bb PB |
8072 | if (insn & (1 << 4)) { |
8073 | /* tbh */ | |
b0109805 | 8074 | tcg_gen_add_i32(addr, addr, tmp); |
7d1b0095 | 8075 | tcg_temp_free_i32(tmp); |
b0109805 | 8076 | tmp = gen_ld16u(addr, IS_USER(s)); |
9ee6e8bb | 8077 | } else { /* tbb */ |
7d1b0095 | 8078 | tcg_temp_free_i32(tmp); |
b0109805 | 8079 | tmp = gen_ld8u(addr, IS_USER(s)); |
9ee6e8bb | 8080 | } |
7d1b0095 | 8081 | tcg_temp_free_i32(addr); |
b0109805 PB |
8082 | tcg_gen_shli_i32(tmp, tmp, 1); |
8083 | tcg_gen_addi_i32(tmp, tmp, s->pc); | |
8084 | store_reg(s, 15, tmp); | |
9ee6e8bb PB |
8085 | } else { |
8086 | /* Load/store exclusive byte/halfword/doubleword. */ | |
426f5abc | 8087 | ARCH(7); |
9ee6e8bb | 8088 | op = (insn >> 4) & 0x3; |
426f5abc PB |
8089 | if (op == 2) { |
8090 | goto illegal_op; | |
8091 | } | |
3174f8e9 | 8092 | addr = tcg_temp_local_new(); |
98a46317 | 8093 | load_reg_var(s, addr, rn); |
9ee6e8bb | 8094 | if (insn & (1 << 20)) { |
426f5abc | 8095 | gen_load_exclusive(s, rs, rd, addr, op); |
9ee6e8bb | 8096 | } else { |
426f5abc | 8097 | gen_store_exclusive(s, rm, rs, rd, addr, op); |
9ee6e8bb | 8098 | } |
3174f8e9 | 8099 | tcg_temp_free(addr); |
9ee6e8bb PB |
8100 | } |
8101 | } else { | |
8102 | /* Load/store multiple, RFE, SRS. */ | |
8103 | if (((insn >> 23) & 1) == ((insn >> 24) & 1)) { | |
8104 | /* Not available in user mode. */ | |
b0109805 | 8105 | if (IS_USER(s)) |
9ee6e8bb PB |
8106 | goto illegal_op; |
8107 | if (insn & (1 << 20)) { | |
8108 | /* rfe */ | |
b0109805 PB |
8109 | addr = load_reg(s, rn); |
8110 | if ((insn & (1 << 24)) == 0) | |
8111 | tcg_gen_addi_i32(addr, addr, -8); | |
8112 | /* Load PC into tmp and CPSR into tmp2. */ | |
8113 | tmp = gen_ld32(addr, 0); | |
8114 | tcg_gen_addi_i32(addr, addr, 4); | |
8115 | tmp2 = gen_ld32(addr, 0); | |
9ee6e8bb PB |
8116 | if (insn & (1 << 21)) { |
8117 | /* Base writeback. */ | |
b0109805 PB |
8118 | if (insn & (1 << 24)) { |
8119 | tcg_gen_addi_i32(addr, addr, 4); | |
8120 | } else { | |
8121 | tcg_gen_addi_i32(addr, addr, -4); | |
8122 | } | |
8123 | store_reg(s, rn, addr); | |
8124 | } else { | |
7d1b0095 | 8125 | tcg_temp_free_i32(addr); |
9ee6e8bb | 8126 | } |
b0109805 | 8127 | gen_rfe(s, tmp, tmp2); |
9ee6e8bb PB |
8128 | } else { |
8129 | /* srs */ | |
8130 | op = (insn & 0x1f); | |
7d1b0095 | 8131 | addr = tcg_temp_new_i32(); |
39ea3d4e PM |
8132 | tmp = tcg_const_i32(op); |
8133 | gen_helper_get_r13_banked(addr, cpu_env, tmp); | |
8134 | tcg_temp_free_i32(tmp); | |
9ee6e8bb | 8135 | if ((insn & (1 << 24)) == 0) { |
b0109805 | 8136 | tcg_gen_addi_i32(addr, addr, -8); |
9ee6e8bb | 8137 | } |
b0109805 PB |
8138 | tmp = load_reg(s, 14); |
8139 | gen_st32(tmp, addr, 0); | |
8140 | tcg_gen_addi_i32(addr, addr, 4); | |
7d1b0095 | 8141 | tmp = tcg_temp_new_i32(); |
b0109805 PB |
8142 | gen_helper_cpsr_read(tmp); |
8143 | gen_st32(tmp, addr, 0); | |
9ee6e8bb PB |
8144 | if (insn & (1 << 21)) { |
8145 | if ((insn & (1 << 24)) == 0) { | |
b0109805 | 8146 | tcg_gen_addi_i32(addr, addr, -4); |
9ee6e8bb | 8147 | } else { |
b0109805 | 8148 | tcg_gen_addi_i32(addr, addr, 4); |
9ee6e8bb | 8149 | } |
39ea3d4e PM |
8150 | tmp = tcg_const_i32(op); |
8151 | gen_helper_set_r13_banked(cpu_env, tmp, addr); | |
8152 | tcg_temp_free_i32(tmp); | |
b0109805 | 8153 | } else { |
7d1b0095 | 8154 | tcg_temp_free_i32(addr); |
9ee6e8bb PB |
8155 | } |
8156 | } | |
8157 | } else { | |
5856d44e YO |
8158 | int i, loaded_base = 0; |
8159 | TCGv loaded_var; | |
9ee6e8bb | 8160 | /* Load/store multiple. */ |
b0109805 | 8161 | addr = load_reg(s, rn); |
9ee6e8bb PB |
8162 | offset = 0; |
8163 | for (i = 0; i < 16; i++) { | |
8164 | if (insn & (1 << i)) | |
8165 | offset += 4; | |
8166 | } | |
8167 | if (insn & (1 << 24)) { | |
b0109805 | 8168 | tcg_gen_addi_i32(addr, addr, -offset); |
9ee6e8bb PB |
8169 | } |
8170 | ||
5856d44e | 8171 | TCGV_UNUSED(loaded_var); |
9ee6e8bb PB |
8172 | for (i = 0; i < 16; i++) { |
8173 | if ((insn & (1 << i)) == 0) | |
8174 | continue; | |
8175 | if (insn & (1 << 20)) { | |
8176 | /* Load. */ | |
b0109805 | 8177 | tmp = gen_ld32(addr, IS_USER(s)); |
9ee6e8bb | 8178 | if (i == 15) { |
b0109805 | 8179 | gen_bx(s, tmp); |
5856d44e YO |
8180 | } else if (i == rn) { |
8181 | loaded_var = tmp; | |
8182 | loaded_base = 1; | |
9ee6e8bb | 8183 | } else { |
b0109805 | 8184 | store_reg(s, i, tmp); |
9ee6e8bb PB |
8185 | } |
8186 | } else { | |
8187 | /* Store. */ | |
b0109805 PB |
8188 | tmp = load_reg(s, i); |
8189 | gen_st32(tmp, addr, IS_USER(s)); | |
9ee6e8bb | 8190 | } |
b0109805 | 8191 | tcg_gen_addi_i32(addr, addr, 4); |
9ee6e8bb | 8192 | } |
5856d44e YO |
8193 | if (loaded_base) { |
8194 | store_reg(s, rn, loaded_var); | |
8195 | } | |
9ee6e8bb PB |
8196 | if (insn & (1 << 21)) { |
8197 | /* Base register writeback. */ | |
8198 | if (insn & (1 << 24)) { | |
b0109805 | 8199 | tcg_gen_addi_i32(addr, addr, -offset); |
9ee6e8bb PB |
8200 | } |
8201 | /* Fault if writeback register is in register list. */ | |
8202 | if (insn & (1 << rn)) | |
8203 | goto illegal_op; | |
b0109805 PB |
8204 | store_reg(s, rn, addr); |
8205 | } else { | |
7d1b0095 | 8206 | tcg_temp_free_i32(addr); |
9ee6e8bb PB |
8207 | } |
8208 | } | |
8209 | } | |
8210 | break; | |
2af9ab77 JB |
8211 | case 5: |
8212 | ||
9ee6e8bb | 8213 | op = (insn >> 21) & 0xf; |
2af9ab77 JB |
8214 | if (op == 6) { |
8215 | /* Halfword pack. */ | |
8216 | tmp = load_reg(s, rn); | |
8217 | tmp2 = load_reg(s, rm); | |
8218 | shift = ((insn >> 10) & 0x1c) | ((insn >> 6) & 0x3); | |
8219 | if (insn & (1 << 5)) { | |
8220 | /* pkhtb */ | |
8221 | if (shift == 0) | |
8222 | shift = 31; | |
8223 | tcg_gen_sari_i32(tmp2, tmp2, shift); | |
8224 | tcg_gen_andi_i32(tmp, tmp, 0xffff0000); | |
8225 | tcg_gen_ext16u_i32(tmp2, tmp2); | |
8226 | } else { | |
8227 | /* pkhbt */ | |
8228 | if (shift) | |
8229 | tcg_gen_shli_i32(tmp2, tmp2, shift); | |
8230 | tcg_gen_ext16u_i32(tmp, tmp); | |
8231 | tcg_gen_andi_i32(tmp2, tmp2, 0xffff0000); | |
8232 | } | |
8233 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
7d1b0095 | 8234 | tcg_temp_free_i32(tmp2); |
3174f8e9 FN |
8235 | store_reg(s, rd, tmp); |
8236 | } else { | |
2af9ab77 JB |
8237 | /* Data processing register constant shift. */ |
8238 | if (rn == 15) { | |
7d1b0095 | 8239 | tmp = tcg_temp_new_i32(); |
2af9ab77 JB |
8240 | tcg_gen_movi_i32(tmp, 0); |
8241 | } else { | |
8242 | tmp = load_reg(s, rn); | |
8243 | } | |
8244 | tmp2 = load_reg(s, rm); | |
8245 | ||
8246 | shiftop = (insn >> 4) & 3; | |
8247 | shift = ((insn >> 6) & 3) | ((insn >> 10) & 0x1c); | |
8248 | conds = (insn & (1 << 20)) != 0; | |
8249 | logic_cc = (conds && thumb2_logic_op(op)); | |
8250 | gen_arm_shift_im(tmp2, shiftop, shift, logic_cc); | |
8251 | if (gen_thumb2_data_op(s, op, conds, 0, tmp, tmp2)) | |
8252 | goto illegal_op; | |
7d1b0095 | 8253 | tcg_temp_free_i32(tmp2); |
2af9ab77 JB |
8254 | if (rd != 15) { |
8255 | store_reg(s, rd, tmp); | |
8256 | } else { | |
7d1b0095 | 8257 | tcg_temp_free_i32(tmp); |
2af9ab77 | 8258 | } |
3174f8e9 | 8259 | } |
9ee6e8bb PB |
8260 | break; |
8261 | case 13: /* Misc data processing. */ | |
8262 | op = ((insn >> 22) & 6) | ((insn >> 7) & 1); | |
8263 | if (op < 4 && (insn & 0xf000) != 0xf000) | |
8264 | goto illegal_op; | |
8265 | switch (op) { | |
8266 | case 0: /* Register controlled shift. */ | |
8984bd2e PB |
8267 | tmp = load_reg(s, rn); |
8268 | tmp2 = load_reg(s, rm); | |
9ee6e8bb PB |
8269 | if ((insn & 0x70) != 0) |
8270 | goto illegal_op; | |
8271 | op = (insn >> 21) & 3; | |
8984bd2e PB |
8272 | logic_cc = (insn & (1 << 20)) != 0; |
8273 | gen_arm_shift_reg(tmp, op, tmp2, logic_cc); | |
8274 | if (logic_cc) | |
8275 | gen_logic_CC(tmp); | |
21aeb343 | 8276 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
8277 | break; |
8278 | case 1: /* Sign/zero extend. */ | |
5e3f878a | 8279 | tmp = load_reg(s, rm); |
9ee6e8bb | 8280 | shift = (insn >> 4) & 3; |
1301f322 | 8281 | /* ??? In many cases it's not necessary to do a |
9ee6e8bb PB |
8282 | rotate, a shift is sufficient. */ |
8283 | if (shift != 0) | |
f669df27 | 8284 | tcg_gen_rotri_i32(tmp, tmp, shift * 8); |
9ee6e8bb PB |
8285 | op = (insn >> 20) & 7; |
8286 | switch (op) { | |
5e3f878a PB |
8287 | case 0: gen_sxth(tmp); break; |
8288 | case 1: gen_uxth(tmp); break; | |
8289 | case 2: gen_sxtb16(tmp); break; | |
8290 | case 3: gen_uxtb16(tmp); break; | |
8291 | case 4: gen_sxtb(tmp); break; | |
8292 | case 5: gen_uxtb(tmp); break; | |
9ee6e8bb PB |
8293 | default: goto illegal_op; |
8294 | } | |
8295 | if (rn != 15) { | |
5e3f878a | 8296 | tmp2 = load_reg(s, rn); |
9ee6e8bb | 8297 | if ((op >> 1) == 1) { |
5e3f878a | 8298 | gen_add16(tmp, tmp2); |
9ee6e8bb | 8299 | } else { |
5e3f878a | 8300 | tcg_gen_add_i32(tmp, tmp, tmp2); |
7d1b0095 | 8301 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
8302 | } |
8303 | } | |
5e3f878a | 8304 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
8305 | break; |
8306 | case 2: /* SIMD add/subtract. */ | |
8307 | op = (insn >> 20) & 7; | |
8308 | shift = (insn >> 4) & 7; | |
8309 | if ((op & 3) == 3 || (shift & 3) == 3) | |
8310 | goto illegal_op; | |
6ddbc6e4 PB |
8311 | tmp = load_reg(s, rn); |
8312 | tmp2 = load_reg(s, rm); | |
8313 | gen_thumb2_parallel_addsub(op, shift, tmp, tmp2); | |
7d1b0095 | 8314 | tcg_temp_free_i32(tmp2); |
6ddbc6e4 | 8315 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
8316 | break; |
8317 | case 3: /* Other data processing. */ | |
8318 | op = ((insn >> 17) & 0x38) | ((insn >> 4) & 7); | |
8319 | if (op < 4) { | |
8320 | /* Saturating add/subtract. */ | |
d9ba4830 PB |
8321 | tmp = load_reg(s, rn); |
8322 | tmp2 = load_reg(s, rm); | |
9ee6e8bb | 8323 | if (op & 1) |
4809c612 JB |
8324 | gen_helper_double_saturate(tmp, tmp); |
8325 | if (op & 2) | |
d9ba4830 | 8326 | gen_helper_sub_saturate(tmp, tmp2, tmp); |
9ee6e8bb | 8327 | else |
d9ba4830 | 8328 | gen_helper_add_saturate(tmp, tmp, tmp2); |
7d1b0095 | 8329 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 8330 | } else { |
d9ba4830 | 8331 | tmp = load_reg(s, rn); |
9ee6e8bb PB |
8332 | switch (op) { |
8333 | case 0x0a: /* rbit */ | |
d9ba4830 | 8334 | gen_helper_rbit(tmp, tmp); |
9ee6e8bb PB |
8335 | break; |
8336 | case 0x08: /* rev */ | |
66896cb8 | 8337 | tcg_gen_bswap32_i32(tmp, tmp); |
9ee6e8bb PB |
8338 | break; |
8339 | case 0x09: /* rev16 */ | |
d9ba4830 | 8340 | gen_rev16(tmp); |
9ee6e8bb PB |
8341 | break; |
8342 | case 0x0b: /* revsh */ | |
d9ba4830 | 8343 | gen_revsh(tmp); |
9ee6e8bb PB |
8344 | break; |
8345 | case 0x10: /* sel */ | |
d9ba4830 | 8346 | tmp2 = load_reg(s, rm); |
7d1b0095 | 8347 | tmp3 = tcg_temp_new_i32(); |
6ddbc6e4 | 8348 | tcg_gen_ld_i32(tmp3, cpu_env, offsetof(CPUState, GE)); |
d9ba4830 | 8349 | gen_helper_sel_flags(tmp, tmp3, tmp, tmp2); |
7d1b0095 PM |
8350 | tcg_temp_free_i32(tmp3); |
8351 | tcg_temp_free_i32(tmp2); | |
9ee6e8bb PB |
8352 | break; |
8353 | case 0x18: /* clz */ | |
d9ba4830 | 8354 | gen_helper_clz(tmp, tmp); |
9ee6e8bb PB |
8355 | break; |
8356 | default: | |
8357 | goto illegal_op; | |
8358 | } | |
8359 | } | |
d9ba4830 | 8360 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
8361 | break; |
8362 | case 4: case 5: /* 32-bit multiply. Sum of absolute differences. */ | |
8363 | op = (insn >> 4) & 0xf; | |
d9ba4830 PB |
8364 | tmp = load_reg(s, rn); |
8365 | tmp2 = load_reg(s, rm); | |
9ee6e8bb PB |
8366 | switch ((insn >> 20) & 7) { |
8367 | case 0: /* 32 x 32 -> 32 */ | |
d9ba4830 | 8368 | tcg_gen_mul_i32(tmp, tmp, tmp2); |
7d1b0095 | 8369 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 8370 | if (rs != 15) { |
d9ba4830 | 8371 | tmp2 = load_reg(s, rs); |
9ee6e8bb | 8372 | if (op) |
d9ba4830 | 8373 | tcg_gen_sub_i32(tmp, tmp2, tmp); |
9ee6e8bb | 8374 | else |
d9ba4830 | 8375 | tcg_gen_add_i32(tmp, tmp, tmp2); |
7d1b0095 | 8376 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 8377 | } |
9ee6e8bb PB |
8378 | break; |
8379 | case 1: /* 16 x 16 -> 32 */ | |
d9ba4830 | 8380 | gen_mulxy(tmp, tmp2, op & 2, op & 1); |
7d1b0095 | 8381 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 8382 | if (rs != 15) { |
d9ba4830 PB |
8383 | tmp2 = load_reg(s, rs); |
8384 | gen_helper_add_setq(tmp, tmp, tmp2); | |
7d1b0095 | 8385 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 8386 | } |
9ee6e8bb PB |
8387 | break; |
8388 | case 2: /* Dual multiply add. */ | |
8389 | case 4: /* Dual multiply subtract. */ | |
8390 | if (op) | |
d9ba4830 PB |
8391 | gen_swap_half(tmp2); |
8392 | gen_smul_dual(tmp, tmp2); | |
9ee6e8bb | 8393 | if (insn & (1 << 22)) { |
e1d177b9 | 8394 | /* This subtraction cannot overflow. */ |
d9ba4830 | 8395 | tcg_gen_sub_i32(tmp, tmp, tmp2); |
9ee6e8bb | 8396 | } else { |
e1d177b9 PM |
8397 | /* This addition cannot overflow 32 bits; |
8398 | * however it may overflow considered as a signed | |
8399 | * operation, in which case we must set the Q flag. | |
8400 | */ | |
8401 | gen_helper_add_setq(tmp, tmp, tmp2); | |
9ee6e8bb | 8402 | } |
7d1b0095 | 8403 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
8404 | if (rs != 15) |
8405 | { | |
d9ba4830 PB |
8406 | tmp2 = load_reg(s, rs); |
8407 | gen_helper_add_setq(tmp, tmp, tmp2); | |
7d1b0095 | 8408 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 8409 | } |
9ee6e8bb PB |
8410 | break; |
8411 | case 3: /* 32 * 16 -> 32msb */ | |
8412 | if (op) | |
d9ba4830 | 8413 | tcg_gen_sari_i32(tmp2, tmp2, 16); |
9ee6e8bb | 8414 | else |
d9ba4830 | 8415 | gen_sxth(tmp2); |
a7812ae4 PB |
8416 | tmp64 = gen_muls_i64_i32(tmp, tmp2); |
8417 | tcg_gen_shri_i64(tmp64, tmp64, 16); | |
7d1b0095 | 8418 | tmp = tcg_temp_new_i32(); |
a7812ae4 | 8419 | tcg_gen_trunc_i64_i32(tmp, tmp64); |
b75263d6 | 8420 | tcg_temp_free_i64(tmp64); |
9ee6e8bb PB |
8421 | if (rs != 15) |
8422 | { | |
d9ba4830 PB |
8423 | tmp2 = load_reg(s, rs); |
8424 | gen_helper_add_setq(tmp, tmp, tmp2); | |
7d1b0095 | 8425 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 8426 | } |
9ee6e8bb | 8427 | break; |
838fa72d AJ |
8428 | case 5: case 6: /* 32 * 32 -> 32msb (SMMUL, SMMLA, SMMLS) */ |
8429 | tmp64 = gen_muls_i64_i32(tmp, tmp2); | |
9ee6e8bb | 8430 | if (rs != 15) { |
838fa72d AJ |
8431 | tmp = load_reg(s, rs); |
8432 | if (insn & (1 << 20)) { | |
8433 | tmp64 = gen_addq_msw(tmp64, tmp); | |
99c475ab | 8434 | } else { |
838fa72d | 8435 | tmp64 = gen_subq_msw(tmp64, tmp); |
99c475ab | 8436 | } |
2c0262af | 8437 | } |
838fa72d AJ |
8438 | if (insn & (1 << 4)) { |
8439 | tcg_gen_addi_i64(tmp64, tmp64, 0x80000000u); | |
8440 | } | |
8441 | tcg_gen_shri_i64(tmp64, tmp64, 32); | |
7d1b0095 | 8442 | tmp = tcg_temp_new_i32(); |
838fa72d AJ |
8443 | tcg_gen_trunc_i64_i32(tmp, tmp64); |
8444 | tcg_temp_free_i64(tmp64); | |
9ee6e8bb PB |
8445 | break; |
8446 | case 7: /* Unsigned sum of absolute differences. */ | |
d9ba4830 | 8447 | gen_helper_usad8(tmp, tmp, tmp2); |
7d1b0095 | 8448 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 8449 | if (rs != 15) { |
d9ba4830 PB |
8450 | tmp2 = load_reg(s, rs); |
8451 | tcg_gen_add_i32(tmp, tmp, tmp2); | |
7d1b0095 | 8452 | tcg_temp_free_i32(tmp2); |
5fd46862 | 8453 | } |
9ee6e8bb | 8454 | break; |
2c0262af | 8455 | } |
d9ba4830 | 8456 | store_reg(s, rd, tmp); |
2c0262af | 8457 | break; |
9ee6e8bb PB |
8458 | case 6: case 7: /* 64-bit multiply, Divide. */ |
8459 | op = ((insn >> 4) & 0xf) | ((insn >> 16) & 0x70); | |
5e3f878a PB |
8460 | tmp = load_reg(s, rn); |
8461 | tmp2 = load_reg(s, rm); | |
9ee6e8bb PB |
8462 | if ((op & 0x50) == 0x10) { |
8463 | /* sdiv, udiv */ | |
8464 | if (!arm_feature(env, ARM_FEATURE_DIV)) | |
8465 | goto illegal_op; | |
8466 | if (op & 0x20) | |
5e3f878a | 8467 | gen_helper_udiv(tmp, tmp, tmp2); |
2c0262af | 8468 | else |
5e3f878a | 8469 | gen_helper_sdiv(tmp, tmp, tmp2); |
7d1b0095 | 8470 | tcg_temp_free_i32(tmp2); |
5e3f878a | 8471 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
8472 | } else if ((op & 0xe) == 0xc) { |
8473 | /* Dual multiply accumulate long. */ | |
8474 | if (op & 1) | |
5e3f878a PB |
8475 | gen_swap_half(tmp2); |
8476 | gen_smul_dual(tmp, tmp2); | |
9ee6e8bb | 8477 | if (op & 0x10) { |
5e3f878a | 8478 | tcg_gen_sub_i32(tmp, tmp, tmp2); |
b5ff1b31 | 8479 | } else { |
5e3f878a | 8480 | tcg_gen_add_i32(tmp, tmp, tmp2); |
b5ff1b31 | 8481 | } |
7d1b0095 | 8482 | tcg_temp_free_i32(tmp2); |
a7812ae4 PB |
8483 | /* BUGFIX */ |
8484 | tmp64 = tcg_temp_new_i64(); | |
8485 | tcg_gen_ext_i32_i64(tmp64, tmp); | |
7d1b0095 | 8486 | tcg_temp_free_i32(tmp); |
a7812ae4 PB |
8487 | gen_addq(s, tmp64, rs, rd); |
8488 | gen_storeq_reg(s, rs, rd, tmp64); | |
b75263d6 | 8489 | tcg_temp_free_i64(tmp64); |
2c0262af | 8490 | } else { |
9ee6e8bb PB |
8491 | if (op & 0x20) { |
8492 | /* Unsigned 64-bit multiply */ | |
a7812ae4 | 8493 | tmp64 = gen_mulu_i64_i32(tmp, tmp2); |
b5ff1b31 | 8494 | } else { |
9ee6e8bb PB |
8495 | if (op & 8) { |
8496 | /* smlalxy */ | |
5e3f878a | 8497 | gen_mulxy(tmp, tmp2, op & 2, op & 1); |
7d1b0095 | 8498 | tcg_temp_free_i32(tmp2); |
a7812ae4 PB |
8499 | tmp64 = tcg_temp_new_i64(); |
8500 | tcg_gen_ext_i32_i64(tmp64, tmp); | |
7d1b0095 | 8501 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
8502 | } else { |
8503 | /* Signed 64-bit multiply */ | |
a7812ae4 | 8504 | tmp64 = gen_muls_i64_i32(tmp, tmp2); |
9ee6e8bb | 8505 | } |
b5ff1b31 | 8506 | } |
9ee6e8bb PB |
8507 | if (op & 4) { |
8508 | /* umaal */ | |
a7812ae4 PB |
8509 | gen_addq_lo(s, tmp64, rs); |
8510 | gen_addq_lo(s, tmp64, rd); | |
9ee6e8bb PB |
8511 | } else if (op & 0x40) { |
8512 | /* 64-bit accumulate. */ | |
a7812ae4 | 8513 | gen_addq(s, tmp64, rs, rd); |
9ee6e8bb | 8514 | } |
a7812ae4 | 8515 | gen_storeq_reg(s, rs, rd, tmp64); |
b75263d6 | 8516 | tcg_temp_free_i64(tmp64); |
5fd46862 | 8517 | } |
2c0262af | 8518 | break; |
9ee6e8bb PB |
8519 | } |
8520 | break; | |
8521 | case 6: case 7: case 14: case 15: | |
8522 | /* Coprocessor. */ | |
8523 | if (((insn >> 24) & 3) == 3) { | |
8524 | /* Translate into the equivalent ARM encoding. */ | |
f06053e3 | 8525 | insn = (insn & 0xe2ffffff) | ((insn & (1 << 28)) >> 4) | (1 << 28); |
9ee6e8bb PB |
8526 | if (disas_neon_data_insn(env, s, insn)) |
8527 | goto illegal_op; | |
8528 | } else { | |
8529 | if (insn & (1 << 28)) | |
8530 | goto illegal_op; | |
8531 | if (disas_coproc_insn (env, s, insn)) | |
8532 | goto illegal_op; | |
8533 | } | |
8534 | break; | |
8535 | case 8: case 9: case 10: case 11: | |
8536 | if (insn & (1 << 15)) { | |
8537 | /* Branches, misc control. */ | |
8538 | if (insn & 0x5000) { | |
8539 | /* Unconditional branch. */ | |
8540 | /* signextend(hw1[10:0]) -> offset[:12]. */ | |
8541 | offset = ((int32_t)insn << 5) >> 9 & ~(int32_t)0xfff; | |
8542 | /* hw1[10:0] -> offset[11:1]. */ | |
8543 | offset |= (insn & 0x7ff) << 1; | |
8544 | /* (~hw2[13, 11] ^ offset[24]) -> offset[23,22] | |
8545 | offset[24:22] already have the same value because of the | |
8546 | sign extension above. */ | |
8547 | offset ^= ((~insn) & (1 << 13)) << 10; | |
8548 | offset ^= ((~insn) & (1 << 11)) << 11; | |
8549 | ||
9ee6e8bb PB |
8550 | if (insn & (1 << 14)) { |
8551 | /* Branch and link. */ | |
3174f8e9 | 8552 | tcg_gen_movi_i32(cpu_R[14], s->pc | 1); |
b5ff1b31 | 8553 | } |
3b46e624 | 8554 | |
b0109805 | 8555 | offset += s->pc; |
9ee6e8bb PB |
8556 | if (insn & (1 << 12)) { |
8557 | /* b/bl */ | |
b0109805 | 8558 | gen_jmp(s, offset); |
9ee6e8bb PB |
8559 | } else { |
8560 | /* blx */ | |
b0109805 | 8561 | offset &= ~(uint32_t)2; |
be5e7a76 | 8562 | /* thumb2 bx, no need to check */ |
b0109805 | 8563 | gen_bx_im(s, offset); |
2c0262af | 8564 | } |
9ee6e8bb PB |
8565 | } else if (((insn >> 23) & 7) == 7) { |
8566 | /* Misc control */ | |
8567 | if (insn & (1 << 13)) | |
8568 | goto illegal_op; | |
8569 | ||
8570 | if (insn & (1 << 26)) { | |
8571 | /* Secure monitor call (v6Z) */ | |
8572 | goto illegal_op; /* not implemented. */ | |
2c0262af | 8573 | } else { |
9ee6e8bb PB |
8574 | op = (insn >> 20) & 7; |
8575 | switch (op) { | |
8576 | case 0: /* msr cpsr. */ | |
8577 | if (IS_M(env)) { | |
8984bd2e PB |
8578 | tmp = load_reg(s, rn); |
8579 | addr = tcg_const_i32(insn & 0xff); | |
8580 | gen_helper_v7m_msr(cpu_env, addr, tmp); | |
b75263d6 | 8581 | tcg_temp_free_i32(addr); |
7d1b0095 | 8582 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
8583 | gen_lookup_tb(s); |
8584 | break; | |
8585 | } | |
8586 | /* fall through */ | |
8587 | case 1: /* msr spsr. */ | |
8588 | if (IS_M(env)) | |
8589 | goto illegal_op; | |
2fbac54b FN |
8590 | tmp = load_reg(s, rn); |
8591 | if (gen_set_psr(s, | |
9ee6e8bb | 8592 | msr_mask(env, s, (insn >> 8) & 0xf, op == 1), |
2fbac54b | 8593 | op == 1, tmp)) |
9ee6e8bb PB |
8594 | goto illegal_op; |
8595 | break; | |
8596 | case 2: /* cps, nop-hint. */ | |
8597 | if (((insn >> 8) & 7) == 0) { | |
8598 | gen_nop_hint(s, insn & 0xff); | |
8599 | } | |
8600 | /* Implemented as NOP in user mode. */ | |
8601 | if (IS_USER(s)) | |
8602 | break; | |
8603 | offset = 0; | |
8604 | imm = 0; | |
8605 | if (insn & (1 << 10)) { | |
8606 | if (insn & (1 << 7)) | |
8607 | offset |= CPSR_A; | |
8608 | if (insn & (1 << 6)) | |
8609 | offset |= CPSR_I; | |
8610 | if (insn & (1 << 5)) | |
8611 | offset |= CPSR_F; | |
8612 | if (insn & (1 << 9)) | |
8613 | imm = CPSR_A | CPSR_I | CPSR_F; | |
8614 | } | |
8615 | if (insn & (1 << 8)) { | |
8616 | offset |= 0x1f; | |
8617 | imm |= (insn & 0x1f); | |
8618 | } | |
8619 | if (offset) { | |
2fbac54b | 8620 | gen_set_psr_im(s, offset, 0, imm); |
9ee6e8bb PB |
8621 | } |
8622 | break; | |
8623 | case 3: /* Special control operations. */ | |
426f5abc | 8624 | ARCH(7); |
9ee6e8bb PB |
8625 | op = (insn >> 4) & 0xf; |
8626 | switch (op) { | |
8627 | case 2: /* clrex */ | |
426f5abc | 8628 | gen_clrex(s); |
9ee6e8bb PB |
8629 | break; |
8630 | case 4: /* dsb */ | |
8631 | case 5: /* dmb */ | |
8632 | case 6: /* isb */ | |
8633 | /* These execute as NOPs. */ | |
9ee6e8bb PB |
8634 | break; |
8635 | default: | |
8636 | goto illegal_op; | |
8637 | } | |
8638 | break; | |
8639 | case 4: /* bxj */ | |
8640 | /* Trivial implementation equivalent to bx. */ | |
d9ba4830 PB |
8641 | tmp = load_reg(s, rn); |
8642 | gen_bx(s, tmp); | |
9ee6e8bb PB |
8643 | break; |
8644 | case 5: /* Exception return. */ | |
b8b45b68 RV |
8645 | if (IS_USER(s)) { |
8646 | goto illegal_op; | |
8647 | } | |
8648 | if (rn != 14 || rd != 15) { | |
8649 | goto illegal_op; | |
8650 | } | |
8651 | tmp = load_reg(s, rn); | |
8652 | tcg_gen_subi_i32(tmp, tmp, insn & 0xff); | |
8653 | gen_exception_return(s, tmp); | |
8654 | break; | |
9ee6e8bb | 8655 | case 6: /* mrs cpsr. */ |
7d1b0095 | 8656 | tmp = tcg_temp_new_i32(); |
9ee6e8bb | 8657 | if (IS_M(env)) { |
8984bd2e PB |
8658 | addr = tcg_const_i32(insn & 0xff); |
8659 | gen_helper_v7m_mrs(tmp, cpu_env, addr); | |
b75263d6 | 8660 | tcg_temp_free_i32(addr); |
9ee6e8bb | 8661 | } else { |
8984bd2e | 8662 | gen_helper_cpsr_read(tmp); |
9ee6e8bb | 8663 | } |
8984bd2e | 8664 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
8665 | break; |
8666 | case 7: /* mrs spsr. */ | |
8667 | /* Not accessible in user mode. */ | |
8668 | if (IS_USER(s) || IS_M(env)) | |
8669 | goto illegal_op; | |
d9ba4830 PB |
8670 | tmp = load_cpu_field(spsr); |
8671 | store_reg(s, rd, tmp); | |
9ee6e8bb | 8672 | break; |
2c0262af FB |
8673 | } |
8674 | } | |
9ee6e8bb PB |
8675 | } else { |
8676 | /* Conditional branch. */ | |
8677 | op = (insn >> 22) & 0xf; | |
8678 | /* Generate a conditional jump to next instruction. */ | |
8679 | s->condlabel = gen_new_label(); | |
d9ba4830 | 8680 | gen_test_cc(op ^ 1, s->condlabel); |
9ee6e8bb PB |
8681 | s->condjmp = 1; |
8682 | ||
8683 | /* offset[11:1] = insn[10:0] */ | |
8684 | offset = (insn & 0x7ff) << 1; | |
8685 | /* offset[17:12] = insn[21:16]. */ | |
8686 | offset |= (insn & 0x003f0000) >> 4; | |
8687 | /* offset[31:20] = insn[26]. */ | |
8688 | offset |= ((int32_t)((insn << 5) & 0x80000000)) >> 11; | |
8689 | /* offset[18] = insn[13]. */ | |
8690 | offset |= (insn & (1 << 13)) << 5; | |
8691 | /* offset[19] = insn[11]. */ | |
8692 | offset |= (insn & (1 << 11)) << 8; | |
8693 | ||
8694 | /* jump to the offset */ | |
b0109805 | 8695 | gen_jmp(s, s->pc + offset); |
9ee6e8bb PB |
8696 | } |
8697 | } else { | |
8698 | /* Data processing immediate. */ | |
8699 | if (insn & (1 << 25)) { | |
8700 | if (insn & (1 << 24)) { | |
8701 | if (insn & (1 << 20)) | |
8702 | goto illegal_op; | |
8703 | /* Bitfield/Saturate. */ | |
8704 | op = (insn >> 21) & 7; | |
8705 | imm = insn & 0x1f; | |
8706 | shift = ((insn >> 6) & 3) | ((insn >> 10) & 0x1c); | |
6ddbc6e4 | 8707 | if (rn == 15) { |
7d1b0095 | 8708 | tmp = tcg_temp_new_i32(); |
6ddbc6e4 PB |
8709 | tcg_gen_movi_i32(tmp, 0); |
8710 | } else { | |
8711 | tmp = load_reg(s, rn); | |
8712 | } | |
9ee6e8bb PB |
8713 | switch (op) { |
8714 | case 2: /* Signed bitfield extract. */ | |
8715 | imm++; | |
8716 | if (shift + imm > 32) | |
8717 | goto illegal_op; | |
8718 | if (imm < 32) | |
6ddbc6e4 | 8719 | gen_sbfx(tmp, shift, imm); |
9ee6e8bb PB |
8720 | break; |
8721 | case 6: /* Unsigned bitfield extract. */ | |
8722 | imm++; | |
8723 | if (shift + imm > 32) | |
8724 | goto illegal_op; | |
8725 | if (imm < 32) | |
6ddbc6e4 | 8726 | gen_ubfx(tmp, shift, (1u << imm) - 1); |
9ee6e8bb PB |
8727 | break; |
8728 | case 3: /* Bitfield insert/clear. */ | |
8729 | if (imm < shift) | |
8730 | goto illegal_op; | |
8731 | imm = imm + 1 - shift; | |
8732 | if (imm != 32) { | |
6ddbc6e4 | 8733 | tmp2 = load_reg(s, rd); |
8f8e3aa4 | 8734 | gen_bfi(tmp, tmp2, tmp, shift, (1u << imm) - 1); |
7d1b0095 | 8735 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
8736 | } |
8737 | break; | |
8738 | case 7: | |
8739 | goto illegal_op; | |
8740 | default: /* Saturate. */ | |
9ee6e8bb PB |
8741 | if (shift) { |
8742 | if (op & 1) | |
6ddbc6e4 | 8743 | tcg_gen_sari_i32(tmp, tmp, shift); |
9ee6e8bb | 8744 | else |
6ddbc6e4 | 8745 | tcg_gen_shli_i32(tmp, tmp, shift); |
9ee6e8bb | 8746 | } |
6ddbc6e4 | 8747 | tmp2 = tcg_const_i32(imm); |
9ee6e8bb PB |
8748 | if (op & 4) { |
8749 | /* Unsigned. */ | |
9ee6e8bb | 8750 | if ((op & 1) && shift == 0) |
6ddbc6e4 | 8751 | gen_helper_usat16(tmp, tmp, tmp2); |
9ee6e8bb | 8752 | else |
6ddbc6e4 | 8753 | gen_helper_usat(tmp, tmp, tmp2); |
2c0262af | 8754 | } else { |
9ee6e8bb | 8755 | /* Signed. */ |
9ee6e8bb | 8756 | if ((op & 1) && shift == 0) |
6ddbc6e4 | 8757 | gen_helper_ssat16(tmp, tmp, tmp2); |
9ee6e8bb | 8758 | else |
6ddbc6e4 | 8759 | gen_helper_ssat(tmp, tmp, tmp2); |
2c0262af | 8760 | } |
b75263d6 | 8761 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 8762 | break; |
2c0262af | 8763 | } |
6ddbc6e4 | 8764 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
8765 | } else { |
8766 | imm = ((insn & 0x04000000) >> 15) | |
8767 | | ((insn & 0x7000) >> 4) | (insn & 0xff); | |
8768 | if (insn & (1 << 22)) { | |
8769 | /* 16-bit immediate. */ | |
8770 | imm |= (insn >> 4) & 0xf000; | |
8771 | if (insn & (1 << 23)) { | |
8772 | /* movt */ | |
5e3f878a | 8773 | tmp = load_reg(s, rd); |
86831435 | 8774 | tcg_gen_ext16u_i32(tmp, tmp); |
5e3f878a | 8775 | tcg_gen_ori_i32(tmp, tmp, imm << 16); |
2c0262af | 8776 | } else { |
9ee6e8bb | 8777 | /* movw */ |
7d1b0095 | 8778 | tmp = tcg_temp_new_i32(); |
5e3f878a | 8779 | tcg_gen_movi_i32(tmp, imm); |
2c0262af FB |
8780 | } |
8781 | } else { | |
9ee6e8bb PB |
8782 | /* Add/sub 12-bit immediate. */ |
8783 | if (rn == 15) { | |
b0109805 | 8784 | offset = s->pc & ~(uint32_t)3; |
9ee6e8bb | 8785 | if (insn & (1 << 23)) |
b0109805 | 8786 | offset -= imm; |
9ee6e8bb | 8787 | else |
b0109805 | 8788 | offset += imm; |
7d1b0095 | 8789 | tmp = tcg_temp_new_i32(); |
5e3f878a | 8790 | tcg_gen_movi_i32(tmp, offset); |
2c0262af | 8791 | } else { |
5e3f878a | 8792 | tmp = load_reg(s, rn); |
9ee6e8bb | 8793 | if (insn & (1 << 23)) |
5e3f878a | 8794 | tcg_gen_subi_i32(tmp, tmp, imm); |
9ee6e8bb | 8795 | else |
5e3f878a | 8796 | tcg_gen_addi_i32(tmp, tmp, imm); |
2c0262af | 8797 | } |
9ee6e8bb | 8798 | } |
5e3f878a | 8799 | store_reg(s, rd, tmp); |
191abaa2 | 8800 | } |
9ee6e8bb PB |
8801 | } else { |
8802 | int shifter_out = 0; | |
8803 | /* modified 12-bit immediate. */ | |
8804 | shift = ((insn & 0x04000000) >> 23) | ((insn & 0x7000) >> 12); | |
8805 | imm = (insn & 0xff); | |
8806 | switch (shift) { | |
8807 | case 0: /* XY */ | |
8808 | /* Nothing to do. */ | |
8809 | break; | |
8810 | case 1: /* 00XY00XY */ | |
8811 | imm |= imm << 16; | |
8812 | break; | |
8813 | case 2: /* XY00XY00 */ | |
8814 | imm |= imm << 16; | |
8815 | imm <<= 8; | |
8816 | break; | |
8817 | case 3: /* XYXYXYXY */ | |
8818 | imm |= imm << 16; | |
8819 | imm |= imm << 8; | |
8820 | break; | |
8821 | default: /* Rotated constant. */ | |
8822 | shift = (shift << 1) | (imm >> 7); | |
8823 | imm |= 0x80; | |
8824 | imm = imm << (32 - shift); | |
8825 | shifter_out = 1; | |
8826 | break; | |
b5ff1b31 | 8827 | } |
7d1b0095 | 8828 | tmp2 = tcg_temp_new_i32(); |
3174f8e9 | 8829 | tcg_gen_movi_i32(tmp2, imm); |
9ee6e8bb | 8830 | rn = (insn >> 16) & 0xf; |
3174f8e9 | 8831 | if (rn == 15) { |
7d1b0095 | 8832 | tmp = tcg_temp_new_i32(); |
3174f8e9 FN |
8833 | tcg_gen_movi_i32(tmp, 0); |
8834 | } else { | |
8835 | tmp = load_reg(s, rn); | |
8836 | } | |
9ee6e8bb PB |
8837 | op = (insn >> 21) & 0xf; |
8838 | if (gen_thumb2_data_op(s, op, (insn & (1 << 20)) != 0, | |
3174f8e9 | 8839 | shifter_out, tmp, tmp2)) |
9ee6e8bb | 8840 | goto illegal_op; |
7d1b0095 | 8841 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
8842 | rd = (insn >> 8) & 0xf; |
8843 | if (rd != 15) { | |
3174f8e9 FN |
8844 | store_reg(s, rd, tmp); |
8845 | } else { | |
7d1b0095 | 8846 | tcg_temp_free_i32(tmp); |
2c0262af | 8847 | } |
2c0262af | 8848 | } |
9ee6e8bb PB |
8849 | } |
8850 | break; | |
8851 | case 12: /* Load/store single data item. */ | |
8852 | { | |
8853 | int postinc = 0; | |
8854 | int writeback = 0; | |
b0109805 | 8855 | int user; |
9ee6e8bb PB |
8856 | if ((insn & 0x01100000) == 0x01000000) { |
8857 | if (disas_neon_ls_insn(env, s, insn)) | |
c1713132 | 8858 | goto illegal_op; |
9ee6e8bb PB |
8859 | break; |
8860 | } | |
a2fdc890 PM |
8861 | op = ((insn >> 21) & 3) | ((insn >> 22) & 4); |
8862 | if (rs == 15) { | |
8863 | if (!(insn & (1 << 20))) { | |
8864 | goto illegal_op; | |
8865 | } | |
8866 | if (op != 2) { | |
8867 | /* Byte or halfword load space with dest == r15 : memory hints. | |
8868 | * Catch them early so we don't emit pointless addressing code. | |
8869 | * This space is a mix of: | |
8870 | * PLD/PLDW/PLI, which we implement as NOPs (note that unlike | |
8871 | * the ARM encodings, PLDW space doesn't UNDEF for non-v7MP | |
8872 | * cores) | |
8873 | * unallocated hints, which must be treated as NOPs | |
8874 | * UNPREDICTABLE space, which we NOP or UNDEF depending on | |
8875 | * which is easiest for the decoding logic | |
8876 | * Some space which must UNDEF | |
8877 | */ | |
8878 | int op1 = (insn >> 23) & 3; | |
8879 | int op2 = (insn >> 6) & 0x3f; | |
8880 | if (op & 2) { | |
8881 | goto illegal_op; | |
8882 | } | |
8883 | if (rn == 15) { | |
8884 | /* UNPREDICTABLE or unallocated hint */ | |
8885 | return 0; | |
8886 | } | |
8887 | if (op1 & 1) { | |
8888 | return 0; /* PLD* or unallocated hint */ | |
8889 | } | |
8890 | if ((op2 == 0) || ((op2 & 0x3c) == 0x30)) { | |
8891 | return 0; /* PLD* or unallocated hint */ | |
8892 | } | |
8893 | /* UNDEF space, or an UNPREDICTABLE */ | |
8894 | return 1; | |
8895 | } | |
8896 | } | |
b0109805 | 8897 | user = IS_USER(s); |
9ee6e8bb | 8898 | if (rn == 15) { |
7d1b0095 | 8899 | addr = tcg_temp_new_i32(); |
9ee6e8bb PB |
8900 | /* PC relative. */ |
8901 | /* s->pc has already been incremented by 4. */ | |
8902 | imm = s->pc & 0xfffffffc; | |
8903 | if (insn & (1 << 23)) | |
8904 | imm += insn & 0xfff; | |
8905 | else | |
8906 | imm -= insn & 0xfff; | |
b0109805 | 8907 | tcg_gen_movi_i32(addr, imm); |
9ee6e8bb | 8908 | } else { |
b0109805 | 8909 | addr = load_reg(s, rn); |
9ee6e8bb PB |
8910 | if (insn & (1 << 23)) { |
8911 | /* Positive offset. */ | |
8912 | imm = insn & 0xfff; | |
b0109805 | 8913 | tcg_gen_addi_i32(addr, addr, imm); |
9ee6e8bb | 8914 | } else { |
9ee6e8bb | 8915 | imm = insn & 0xff; |
2a0308c5 PM |
8916 | switch ((insn >> 8) & 0xf) { |
8917 | case 0x0: /* Shifted Register. */ | |
9ee6e8bb | 8918 | shift = (insn >> 4) & 0xf; |
2a0308c5 PM |
8919 | if (shift > 3) { |
8920 | tcg_temp_free_i32(addr); | |
18c9b560 | 8921 | goto illegal_op; |
2a0308c5 | 8922 | } |
b26eefb6 | 8923 | tmp = load_reg(s, rm); |
9ee6e8bb | 8924 | if (shift) |
b26eefb6 | 8925 | tcg_gen_shli_i32(tmp, tmp, shift); |
b0109805 | 8926 | tcg_gen_add_i32(addr, addr, tmp); |
7d1b0095 | 8927 | tcg_temp_free_i32(tmp); |
9ee6e8bb | 8928 | break; |
2a0308c5 | 8929 | case 0xc: /* Negative offset. */ |
b0109805 | 8930 | tcg_gen_addi_i32(addr, addr, -imm); |
9ee6e8bb | 8931 | break; |
2a0308c5 | 8932 | case 0xe: /* User privilege. */ |
b0109805 PB |
8933 | tcg_gen_addi_i32(addr, addr, imm); |
8934 | user = 1; | |
9ee6e8bb | 8935 | break; |
2a0308c5 | 8936 | case 0x9: /* Post-decrement. */ |
9ee6e8bb PB |
8937 | imm = -imm; |
8938 | /* Fall through. */ | |
2a0308c5 | 8939 | case 0xb: /* Post-increment. */ |
9ee6e8bb PB |
8940 | postinc = 1; |
8941 | writeback = 1; | |
8942 | break; | |
2a0308c5 | 8943 | case 0xd: /* Pre-decrement. */ |
9ee6e8bb PB |
8944 | imm = -imm; |
8945 | /* Fall through. */ | |
2a0308c5 | 8946 | case 0xf: /* Pre-increment. */ |
b0109805 | 8947 | tcg_gen_addi_i32(addr, addr, imm); |
9ee6e8bb PB |
8948 | writeback = 1; |
8949 | break; | |
8950 | default: | |
2a0308c5 | 8951 | tcg_temp_free_i32(addr); |
b7bcbe95 | 8952 | goto illegal_op; |
9ee6e8bb PB |
8953 | } |
8954 | } | |
8955 | } | |
9ee6e8bb PB |
8956 | if (insn & (1 << 20)) { |
8957 | /* Load. */ | |
a2fdc890 PM |
8958 | switch (op) { |
8959 | case 0: tmp = gen_ld8u(addr, user); break; | |
8960 | case 4: tmp = gen_ld8s(addr, user); break; | |
8961 | case 1: tmp = gen_ld16u(addr, user); break; | |
8962 | case 5: tmp = gen_ld16s(addr, user); break; | |
8963 | case 2: tmp = gen_ld32(addr, user); break; | |
2a0308c5 PM |
8964 | default: |
8965 | tcg_temp_free_i32(addr); | |
8966 | goto illegal_op; | |
a2fdc890 PM |
8967 | } |
8968 | if (rs == 15) { | |
8969 | gen_bx(s, tmp); | |
9ee6e8bb | 8970 | } else { |
a2fdc890 | 8971 | store_reg(s, rs, tmp); |
9ee6e8bb PB |
8972 | } |
8973 | } else { | |
8974 | /* Store. */ | |
b0109805 | 8975 | tmp = load_reg(s, rs); |
9ee6e8bb | 8976 | switch (op) { |
b0109805 PB |
8977 | case 0: gen_st8(tmp, addr, user); break; |
8978 | case 1: gen_st16(tmp, addr, user); break; | |
8979 | case 2: gen_st32(tmp, addr, user); break; | |
2a0308c5 PM |
8980 | default: |
8981 | tcg_temp_free_i32(addr); | |
8982 | goto illegal_op; | |
b7bcbe95 | 8983 | } |
2c0262af | 8984 | } |
9ee6e8bb | 8985 | if (postinc) |
b0109805 PB |
8986 | tcg_gen_addi_i32(addr, addr, imm); |
8987 | if (writeback) { | |
8988 | store_reg(s, rn, addr); | |
8989 | } else { | |
7d1b0095 | 8990 | tcg_temp_free_i32(addr); |
b0109805 | 8991 | } |
9ee6e8bb PB |
8992 | } |
8993 | break; | |
8994 | default: | |
8995 | goto illegal_op; | |
2c0262af | 8996 | } |
9ee6e8bb PB |
8997 | return 0; |
8998 | illegal_op: | |
8999 | return 1; | |
2c0262af FB |
9000 | } |
9001 | ||
9ee6e8bb | 9002 | static void disas_thumb_insn(CPUState *env, DisasContext *s) |
99c475ab FB |
9003 | { |
9004 | uint32_t val, insn, op, rm, rn, rd, shift, cond; | |
9005 | int32_t offset; | |
9006 | int i; | |
b26eefb6 | 9007 | TCGv tmp; |
d9ba4830 | 9008 | TCGv tmp2; |
b0109805 | 9009 | TCGv addr; |
99c475ab | 9010 | |
9ee6e8bb PB |
9011 | if (s->condexec_mask) { |
9012 | cond = s->condexec_cond; | |
bedd2912 JB |
9013 | if (cond != 0x0e) { /* Skip conditional when condition is AL. */ |
9014 | s->condlabel = gen_new_label(); | |
9015 | gen_test_cc(cond ^ 1, s->condlabel); | |
9016 | s->condjmp = 1; | |
9017 | } | |
9ee6e8bb PB |
9018 | } |
9019 | ||
b5ff1b31 | 9020 | insn = lduw_code(s->pc); |
99c475ab | 9021 | s->pc += 2; |
b5ff1b31 | 9022 | |
99c475ab FB |
9023 | switch (insn >> 12) { |
9024 | case 0: case 1: | |
396e467c | 9025 | |
99c475ab FB |
9026 | rd = insn & 7; |
9027 | op = (insn >> 11) & 3; | |
9028 | if (op == 3) { | |
9029 | /* add/subtract */ | |
9030 | rn = (insn >> 3) & 7; | |
396e467c | 9031 | tmp = load_reg(s, rn); |
99c475ab FB |
9032 | if (insn & (1 << 10)) { |
9033 | /* immediate */ | |
7d1b0095 | 9034 | tmp2 = tcg_temp_new_i32(); |
396e467c | 9035 | tcg_gen_movi_i32(tmp2, (insn >> 6) & 7); |
99c475ab FB |
9036 | } else { |
9037 | /* reg */ | |
9038 | rm = (insn >> 6) & 7; | |
396e467c | 9039 | tmp2 = load_reg(s, rm); |
99c475ab | 9040 | } |
9ee6e8bb PB |
9041 | if (insn & (1 << 9)) { |
9042 | if (s->condexec_mask) | |
396e467c | 9043 | tcg_gen_sub_i32(tmp, tmp, tmp2); |
9ee6e8bb | 9044 | else |
396e467c | 9045 | gen_helper_sub_cc(tmp, tmp, tmp2); |
9ee6e8bb PB |
9046 | } else { |
9047 | if (s->condexec_mask) | |
396e467c | 9048 | tcg_gen_add_i32(tmp, tmp, tmp2); |
9ee6e8bb | 9049 | else |
396e467c | 9050 | gen_helper_add_cc(tmp, tmp, tmp2); |
9ee6e8bb | 9051 | } |
7d1b0095 | 9052 | tcg_temp_free_i32(tmp2); |
396e467c | 9053 | store_reg(s, rd, tmp); |
99c475ab FB |
9054 | } else { |
9055 | /* shift immediate */ | |
9056 | rm = (insn >> 3) & 7; | |
9057 | shift = (insn >> 6) & 0x1f; | |
9a119ff6 PB |
9058 | tmp = load_reg(s, rm); |
9059 | gen_arm_shift_im(tmp, op, shift, s->condexec_mask == 0); | |
9060 | if (!s->condexec_mask) | |
9061 | gen_logic_CC(tmp); | |
9062 | store_reg(s, rd, tmp); | |
99c475ab FB |
9063 | } |
9064 | break; | |
9065 | case 2: case 3: | |
9066 | /* arithmetic large immediate */ | |
9067 | op = (insn >> 11) & 3; | |
9068 | rd = (insn >> 8) & 0x7; | |
396e467c | 9069 | if (op == 0) { /* mov */ |
7d1b0095 | 9070 | tmp = tcg_temp_new_i32(); |
396e467c | 9071 | tcg_gen_movi_i32(tmp, insn & 0xff); |
9ee6e8bb | 9072 | if (!s->condexec_mask) |
396e467c FN |
9073 | gen_logic_CC(tmp); |
9074 | store_reg(s, rd, tmp); | |
9075 | } else { | |
9076 | tmp = load_reg(s, rd); | |
7d1b0095 | 9077 | tmp2 = tcg_temp_new_i32(); |
396e467c FN |
9078 | tcg_gen_movi_i32(tmp2, insn & 0xff); |
9079 | switch (op) { | |
9080 | case 1: /* cmp */ | |
9081 | gen_helper_sub_cc(tmp, tmp, tmp2); | |
7d1b0095 PM |
9082 | tcg_temp_free_i32(tmp); |
9083 | tcg_temp_free_i32(tmp2); | |
396e467c FN |
9084 | break; |
9085 | case 2: /* add */ | |
9086 | if (s->condexec_mask) | |
9087 | tcg_gen_add_i32(tmp, tmp, tmp2); | |
9088 | else | |
9089 | gen_helper_add_cc(tmp, tmp, tmp2); | |
7d1b0095 | 9090 | tcg_temp_free_i32(tmp2); |
396e467c FN |
9091 | store_reg(s, rd, tmp); |
9092 | break; | |
9093 | case 3: /* sub */ | |
9094 | if (s->condexec_mask) | |
9095 | tcg_gen_sub_i32(tmp, tmp, tmp2); | |
9096 | else | |
9097 | gen_helper_sub_cc(tmp, tmp, tmp2); | |
7d1b0095 | 9098 | tcg_temp_free_i32(tmp2); |
396e467c FN |
9099 | store_reg(s, rd, tmp); |
9100 | break; | |
9101 | } | |
99c475ab | 9102 | } |
99c475ab FB |
9103 | break; |
9104 | case 4: | |
9105 | if (insn & (1 << 11)) { | |
9106 | rd = (insn >> 8) & 7; | |
5899f386 FB |
9107 | /* load pc-relative. Bit 1 of PC is ignored. */ |
9108 | val = s->pc + 2 + ((insn & 0xff) * 4); | |
9109 | val &= ~(uint32_t)2; | |
7d1b0095 | 9110 | addr = tcg_temp_new_i32(); |
b0109805 PB |
9111 | tcg_gen_movi_i32(addr, val); |
9112 | tmp = gen_ld32(addr, IS_USER(s)); | |
7d1b0095 | 9113 | tcg_temp_free_i32(addr); |
b0109805 | 9114 | store_reg(s, rd, tmp); |
99c475ab FB |
9115 | break; |
9116 | } | |
9117 | if (insn & (1 << 10)) { | |
9118 | /* data processing extended or blx */ | |
9119 | rd = (insn & 7) | ((insn >> 4) & 8); | |
9120 | rm = (insn >> 3) & 0xf; | |
9121 | op = (insn >> 8) & 3; | |
9122 | switch (op) { | |
9123 | case 0: /* add */ | |
396e467c FN |
9124 | tmp = load_reg(s, rd); |
9125 | tmp2 = load_reg(s, rm); | |
9126 | tcg_gen_add_i32(tmp, tmp, tmp2); | |
7d1b0095 | 9127 | tcg_temp_free_i32(tmp2); |
396e467c | 9128 | store_reg(s, rd, tmp); |
99c475ab FB |
9129 | break; |
9130 | case 1: /* cmp */ | |
396e467c FN |
9131 | tmp = load_reg(s, rd); |
9132 | tmp2 = load_reg(s, rm); | |
9133 | gen_helper_sub_cc(tmp, tmp, tmp2); | |
7d1b0095 PM |
9134 | tcg_temp_free_i32(tmp2); |
9135 | tcg_temp_free_i32(tmp); | |
99c475ab FB |
9136 | break; |
9137 | case 2: /* mov/cpy */ | |
396e467c FN |
9138 | tmp = load_reg(s, rm); |
9139 | store_reg(s, rd, tmp); | |
99c475ab FB |
9140 | break; |
9141 | case 3:/* branch [and link] exchange thumb register */ | |
b0109805 | 9142 | tmp = load_reg(s, rm); |
99c475ab | 9143 | if (insn & (1 << 7)) { |
be5e7a76 | 9144 | ARCH(5); |
99c475ab | 9145 | val = (uint32_t)s->pc | 1; |
7d1b0095 | 9146 | tmp2 = tcg_temp_new_i32(); |
b0109805 PB |
9147 | tcg_gen_movi_i32(tmp2, val); |
9148 | store_reg(s, 14, tmp2); | |
99c475ab | 9149 | } |
be5e7a76 | 9150 | /* already thumb, no need to check */ |
d9ba4830 | 9151 | gen_bx(s, tmp); |
99c475ab FB |
9152 | break; |
9153 | } | |
9154 | break; | |
9155 | } | |
9156 | ||
9157 | /* data processing register */ | |
9158 | rd = insn & 7; | |
9159 | rm = (insn >> 3) & 7; | |
9160 | op = (insn >> 6) & 0xf; | |
9161 | if (op == 2 || op == 3 || op == 4 || op == 7) { | |
9162 | /* the shift/rotate ops want the operands backwards */ | |
9163 | val = rm; | |
9164 | rm = rd; | |
9165 | rd = val; | |
9166 | val = 1; | |
9167 | } else { | |
9168 | val = 0; | |
9169 | } | |
9170 | ||
396e467c | 9171 | if (op == 9) { /* neg */ |
7d1b0095 | 9172 | tmp = tcg_temp_new_i32(); |
396e467c FN |
9173 | tcg_gen_movi_i32(tmp, 0); |
9174 | } else if (op != 0xf) { /* mvn doesn't read its first operand */ | |
9175 | tmp = load_reg(s, rd); | |
9176 | } else { | |
9177 | TCGV_UNUSED(tmp); | |
9178 | } | |
99c475ab | 9179 | |
396e467c | 9180 | tmp2 = load_reg(s, rm); |
5899f386 | 9181 | switch (op) { |
99c475ab | 9182 | case 0x0: /* and */ |
396e467c | 9183 | tcg_gen_and_i32(tmp, tmp, tmp2); |
9ee6e8bb | 9184 | if (!s->condexec_mask) |
396e467c | 9185 | gen_logic_CC(tmp); |
99c475ab FB |
9186 | break; |
9187 | case 0x1: /* eor */ | |
396e467c | 9188 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
9ee6e8bb | 9189 | if (!s->condexec_mask) |
396e467c | 9190 | gen_logic_CC(tmp); |
99c475ab FB |
9191 | break; |
9192 | case 0x2: /* lsl */ | |
9ee6e8bb | 9193 | if (s->condexec_mask) { |
396e467c | 9194 | gen_helper_shl(tmp2, tmp2, tmp); |
9ee6e8bb | 9195 | } else { |
396e467c FN |
9196 | gen_helper_shl_cc(tmp2, tmp2, tmp); |
9197 | gen_logic_CC(tmp2); | |
9ee6e8bb | 9198 | } |
99c475ab FB |
9199 | break; |
9200 | case 0x3: /* lsr */ | |
9ee6e8bb | 9201 | if (s->condexec_mask) { |
396e467c | 9202 | gen_helper_shr(tmp2, tmp2, tmp); |
9ee6e8bb | 9203 | } else { |
396e467c FN |
9204 | gen_helper_shr_cc(tmp2, tmp2, tmp); |
9205 | gen_logic_CC(tmp2); | |
9ee6e8bb | 9206 | } |
99c475ab FB |
9207 | break; |
9208 | case 0x4: /* asr */ | |
9ee6e8bb | 9209 | if (s->condexec_mask) { |
396e467c | 9210 | gen_helper_sar(tmp2, tmp2, tmp); |
9ee6e8bb | 9211 | } else { |
396e467c FN |
9212 | gen_helper_sar_cc(tmp2, tmp2, tmp); |
9213 | gen_logic_CC(tmp2); | |
9ee6e8bb | 9214 | } |
99c475ab FB |
9215 | break; |
9216 | case 0x5: /* adc */ | |
9ee6e8bb | 9217 | if (s->condexec_mask) |
396e467c | 9218 | gen_adc(tmp, tmp2); |
9ee6e8bb | 9219 | else |
396e467c | 9220 | gen_helper_adc_cc(tmp, tmp, tmp2); |
99c475ab FB |
9221 | break; |
9222 | case 0x6: /* sbc */ | |
9ee6e8bb | 9223 | if (s->condexec_mask) |
396e467c | 9224 | gen_sub_carry(tmp, tmp, tmp2); |
9ee6e8bb | 9225 | else |
396e467c | 9226 | gen_helper_sbc_cc(tmp, tmp, tmp2); |
99c475ab FB |
9227 | break; |
9228 | case 0x7: /* ror */ | |
9ee6e8bb | 9229 | if (s->condexec_mask) { |
f669df27 AJ |
9230 | tcg_gen_andi_i32(tmp, tmp, 0x1f); |
9231 | tcg_gen_rotr_i32(tmp2, tmp2, tmp); | |
9ee6e8bb | 9232 | } else { |
396e467c FN |
9233 | gen_helper_ror_cc(tmp2, tmp2, tmp); |
9234 | gen_logic_CC(tmp2); | |
9ee6e8bb | 9235 | } |
99c475ab FB |
9236 | break; |
9237 | case 0x8: /* tst */ | |
396e467c FN |
9238 | tcg_gen_and_i32(tmp, tmp, tmp2); |
9239 | gen_logic_CC(tmp); | |
99c475ab | 9240 | rd = 16; |
5899f386 | 9241 | break; |
99c475ab | 9242 | case 0x9: /* neg */ |
9ee6e8bb | 9243 | if (s->condexec_mask) |
396e467c | 9244 | tcg_gen_neg_i32(tmp, tmp2); |
9ee6e8bb | 9245 | else |
396e467c | 9246 | gen_helper_sub_cc(tmp, tmp, tmp2); |
99c475ab FB |
9247 | break; |
9248 | case 0xa: /* cmp */ | |
396e467c | 9249 | gen_helper_sub_cc(tmp, tmp, tmp2); |
99c475ab FB |
9250 | rd = 16; |
9251 | break; | |
9252 | case 0xb: /* cmn */ | |
396e467c | 9253 | gen_helper_add_cc(tmp, tmp, tmp2); |
99c475ab FB |
9254 | rd = 16; |
9255 | break; | |
9256 | case 0xc: /* orr */ | |
396e467c | 9257 | tcg_gen_or_i32(tmp, tmp, tmp2); |
9ee6e8bb | 9258 | if (!s->condexec_mask) |
396e467c | 9259 | gen_logic_CC(tmp); |
99c475ab FB |
9260 | break; |
9261 | case 0xd: /* mul */ | |
7b2919a0 | 9262 | tcg_gen_mul_i32(tmp, tmp, tmp2); |
9ee6e8bb | 9263 | if (!s->condexec_mask) |
396e467c | 9264 | gen_logic_CC(tmp); |
99c475ab FB |
9265 | break; |
9266 | case 0xe: /* bic */ | |
f669df27 | 9267 | tcg_gen_andc_i32(tmp, tmp, tmp2); |
9ee6e8bb | 9268 | if (!s->condexec_mask) |
396e467c | 9269 | gen_logic_CC(tmp); |
99c475ab FB |
9270 | break; |
9271 | case 0xf: /* mvn */ | |
396e467c | 9272 | tcg_gen_not_i32(tmp2, tmp2); |
9ee6e8bb | 9273 | if (!s->condexec_mask) |
396e467c | 9274 | gen_logic_CC(tmp2); |
99c475ab | 9275 | val = 1; |
5899f386 | 9276 | rm = rd; |
99c475ab FB |
9277 | break; |
9278 | } | |
9279 | if (rd != 16) { | |
396e467c FN |
9280 | if (val) { |
9281 | store_reg(s, rm, tmp2); | |
9282 | if (op != 0xf) | |
7d1b0095 | 9283 | tcg_temp_free_i32(tmp); |
396e467c FN |
9284 | } else { |
9285 | store_reg(s, rd, tmp); | |
7d1b0095 | 9286 | tcg_temp_free_i32(tmp2); |
396e467c FN |
9287 | } |
9288 | } else { | |
7d1b0095 PM |
9289 | tcg_temp_free_i32(tmp); |
9290 | tcg_temp_free_i32(tmp2); | |
99c475ab FB |
9291 | } |
9292 | break; | |
9293 | ||
9294 | case 5: | |
9295 | /* load/store register offset. */ | |
9296 | rd = insn & 7; | |
9297 | rn = (insn >> 3) & 7; | |
9298 | rm = (insn >> 6) & 7; | |
9299 | op = (insn >> 9) & 7; | |
b0109805 | 9300 | addr = load_reg(s, rn); |
b26eefb6 | 9301 | tmp = load_reg(s, rm); |
b0109805 | 9302 | tcg_gen_add_i32(addr, addr, tmp); |
7d1b0095 | 9303 | tcg_temp_free_i32(tmp); |
99c475ab FB |
9304 | |
9305 | if (op < 3) /* store */ | |
b0109805 | 9306 | tmp = load_reg(s, rd); |
99c475ab FB |
9307 | |
9308 | switch (op) { | |
9309 | case 0: /* str */ | |
b0109805 | 9310 | gen_st32(tmp, addr, IS_USER(s)); |
99c475ab FB |
9311 | break; |
9312 | case 1: /* strh */ | |
b0109805 | 9313 | gen_st16(tmp, addr, IS_USER(s)); |
99c475ab FB |
9314 | break; |
9315 | case 2: /* strb */ | |
b0109805 | 9316 | gen_st8(tmp, addr, IS_USER(s)); |
99c475ab FB |
9317 | break; |
9318 | case 3: /* ldrsb */ | |
b0109805 | 9319 | tmp = gen_ld8s(addr, IS_USER(s)); |
99c475ab FB |
9320 | break; |
9321 | case 4: /* ldr */ | |
b0109805 | 9322 | tmp = gen_ld32(addr, IS_USER(s)); |
99c475ab FB |
9323 | break; |
9324 | case 5: /* ldrh */ | |
b0109805 | 9325 | tmp = gen_ld16u(addr, IS_USER(s)); |
99c475ab FB |
9326 | break; |
9327 | case 6: /* ldrb */ | |
b0109805 | 9328 | tmp = gen_ld8u(addr, IS_USER(s)); |
99c475ab FB |
9329 | break; |
9330 | case 7: /* ldrsh */ | |
b0109805 | 9331 | tmp = gen_ld16s(addr, IS_USER(s)); |
99c475ab FB |
9332 | break; |
9333 | } | |
9334 | if (op >= 3) /* load */ | |
b0109805 | 9335 | store_reg(s, rd, tmp); |
7d1b0095 | 9336 | tcg_temp_free_i32(addr); |
99c475ab FB |
9337 | break; |
9338 | ||
9339 | case 6: | |
9340 | /* load/store word immediate offset */ | |
9341 | rd = insn & 7; | |
9342 | rn = (insn >> 3) & 7; | |
b0109805 | 9343 | addr = load_reg(s, rn); |
99c475ab | 9344 | val = (insn >> 4) & 0x7c; |
b0109805 | 9345 | tcg_gen_addi_i32(addr, addr, val); |
99c475ab FB |
9346 | |
9347 | if (insn & (1 << 11)) { | |
9348 | /* load */ | |
b0109805 PB |
9349 | tmp = gen_ld32(addr, IS_USER(s)); |
9350 | store_reg(s, rd, tmp); | |
99c475ab FB |
9351 | } else { |
9352 | /* store */ | |
b0109805 PB |
9353 | tmp = load_reg(s, rd); |
9354 | gen_st32(tmp, addr, IS_USER(s)); | |
99c475ab | 9355 | } |
7d1b0095 | 9356 | tcg_temp_free_i32(addr); |
99c475ab FB |
9357 | break; |
9358 | ||
9359 | case 7: | |
9360 | /* load/store byte immediate offset */ | |
9361 | rd = insn & 7; | |
9362 | rn = (insn >> 3) & 7; | |
b0109805 | 9363 | addr = load_reg(s, rn); |
99c475ab | 9364 | val = (insn >> 6) & 0x1f; |
b0109805 | 9365 | tcg_gen_addi_i32(addr, addr, val); |
99c475ab FB |
9366 | |
9367 | if (insn & (1 << 11)) { | |
9368 | /* load */ | |
b0109805 PB |
9369 | tmp = gen_ld8u(addr, IS_USER(s)); |
9370 | store_reg(s, rd, tmp); | |
99c475ab FB |
9371 | } else { |
9372 | /* store */ | |
b0109805 PB |
9373 | tmp = load_reg(s, rd); |
9374 | gen_st8(tmp, addr, IS_USER(s)); | |
99c475ab | 9375 | } |
7d1b0095 | 9376 | tcg_temp_free_i32(addr); |
99c475ab FB |
9377 | break; |
9378 | ||
9379 | case 8: | |
9380 | /* load/store halfword immediate offset */ | |
9381 | rd = insn & 7; | |
9382 | rn = (insn >> 3) & 7; | |
b0109805 | 9383 | addr = load_reg(s, rn); |
99c475ab | 9384 | val = (insn >> 5) & 0x3e; |
b0109805 | 9385 | tcg_gen_addi_i32(addr, addr, val); |
99c475ab FB |
9386 | |
9387 | if (insn & (1 << 11)) { | |
9388 | /* load */ | |
b0109805 PB |
9389 | tmp = gen_ld16u(addr, IS_USER(s)); |
9390 | store_reg(s, rd, tmp); | |
99c475ab FB |
9391 | } else { |
9392 | /* store */ | |
b0109805 PB |
9393 | tmp = load_reg(s, rd); |
9394 | gen_st16(tmp, addr, IS_USER(s)); | |
99c475ab | 9395 | } |
7d1b0095 | 9396 | tcg_temp_free_i32(addr); |
99c475ab FB |
9397 | break; |
9398 | ||
9399 | case 9: | |
9400 | /* load/store from stack */ | |
9401 | rd = (insn >> 8) & 7; | |
b0109805 | 9402 | addr = load_reg(s, 13); |
99c475ab | 9403 | val = (insn & 0xff) * 4; |
b0109805 | 9404 | tcg_gen_addi_i32(addr, addr, val); |
99c475ab FB |
9405 | |
9406 | if (insn & (1 << 11)) { | |
9407 | /* load */ | |
b0109805 PB |
9408 | tmp = gen_ld32(addr, IS_USER(s)); |
9409 | store_reg(s, rd, tmp); | |
99c475ab FB |
9410 | } else { |
9411 | /* store */ | |
b0109805 PB |
9412 | tmp = load_reg(s, rd); |
9413 | gen_st32(tmp, addr, IS_USER(s)); | |
99c475ab | 9414 | } |
7d1b0095 | 9415 | tcg_temp_free_i32(addr); |
99c475ab FB |
9416 | break; |
9417 | ||
9418 | case 10: | |
9419 | /* add to high reg */ | |
9420 | rd = (insn >> 8) & 7; | |
5899f386 FB |
9421 | if (insn & (1 << 11)) { |
9422 | /* SP */ | |
5e3f878a | 9423 | tmp = load_reg(s, 13); |
5899f386 FB |
9424 | } else { |
9425 | /* PC. bit 1 is ignored. */ | |
7d1b0095 | 9426 | tmp = tcg_temp_new_i32(); |
5e3f878a | 9427 | tcg_gen_movi_i32(tmp, (s->pc + 2) & ~(uint32_t)2); |
5899f386 | 9428 | } |
99c475ab | 9429 | val = (insn & 0xff) * 4; |
5e3f878a PB |
9430 | tcg_gen_addi_i32(tmp, tmp, val); |
9431 | store_reg(s, rd, tmp); | |
99c475ab FB |
9432 | break; |
9433 | ||
9434 | case 11: | |
9435 | /* misc */ | |
9436 | op = (insn >> 8) & 0xf; | |
9437 | switch (op) { | |
9438 | case 0: | |
9439 | /* adjust stack pointer */ | |
b26eefb6 | 9440 | tmp = load_reg(s, 13); |
99c475ab FB |
9441 | val = (insn & 0x7f) * 4; |
9442 | if (insn & (1 << 7)) | |
6a0d8a1d | 9443 | val = -(int32_t)val; |
b26eefb6 PB |
9444 | tcg_gen_addi_i32(tmp, tmp, val); |
9445 | store_reg(s, 13, tmp); | |
99c475ab FB |
9446 | break; |
9447 | ||
9ee6e8bb PB |
9448 | case 2: /* sign/zero extend. */ |
9449 | ARCH(6); | |
9450 | rd = insn & 7; | |
9451 | rm = (insn >> 3) & 7; | |
b0109805 | 9452 | tmp = load_reg(s, rm); |
9ee6e8bb | 9453 | switch ((insn >> 6) & 3) { |
b0109805 PB |
9454 | case 0: gen_sxth(tmp); break; |
9455 | case 1: gen_sxtb(tmp); break; | |
9456 | case 2: gen_uxth(tmp); break; | |
9457 | case 3: gen_uxtb(tmp); break; | |
9ee6e8bb | 9458 | } |
b0109805 | 9459 | store_reg(s, rd, tmp); |
9ee6e8bb | 9460 | break; |
99c475ab FB |
9461 | case 4: case 5: case 0xc: case 0xd: |
9462 | /* push/pop */ | |
b0109805 | 9463 | addr = load_reg(s, 13); |
5899f386 FB |
9464 | if (insn & (1 << 8)) |
9465 | offset = 4; | |
99c475ab | 9466 | else |
5899f386 FB |
9467 | offset = 0; |
9468 | for (i = 0; i < 8; i++) { | |
9469 | if (insn & (1 << i)) | |
9470 | offset += 4; | |
9471 | } | |
9472 | if ((insn & (1 << 11)) == 0) { | |
b0109805 | 9473 | tcg_gen_addi_i32(addr, addr, -offset); |
5899f386 | 9474 | } |
99c475ab FB |
9475 | for (i = 0; i < 8; i++) { |
9476 | if (insn & (1 << i)) { | |
9477 | if (insn & (1 << 11)) { | |
9478 | /* pop */ | |
b0109805 PB |
9479 | tmp = gen_ld32(addr, IS_USER(s)); |
9480 | store_reg(s, i, tmp); | |
99c475ab FB |
9481 | } else { |
9482 | /* push */ | |
b0109805 PB |
9483 | tmp = load_reg(s, i); |
9484 | gen_st32(tmp, addr, IS_USER(s)); | |
99c475ab | 9485 | } |
5899f386 | 9486 | /* advance to the next address. */ |
b0109805 | 9487 | tcg_gen_addi_i32(addr, addr, 4); |
99c475ab FB |
9488 | } |
9489 | } | |
a50f5b91 | 9490 | TCGV_UNUSED(tmp); |
99c475ab FB |
9491 | if (insn & (1 << 8)) { |
9492 | if (insn & (1 << 11)) { | |
9493 | /* pop pc */ | |
b0109805 | 9494 | tmp = gen_ld32(addr, IS_USER(s)); |
99c475ab FB |
9495 | /* don't set the pc until the rest of the instruction |
9496 | has completed */ | |
9497 | } else { | |
9498 | /* push lr */ | |
b0109805 PB |
9499 | tmp = load_reg(s, 14); |
9500 | gen_st32(tmp, addr, IS_USER(s)); | |
99c475ab | 9501 | } |
b0109805 | 9502 | tcg_gen_addi_i32(addr, addr, 4); |
99c475ab | 9503 | } |
5899f386 | 9504 | if ((insn & (1 << 11)) == 0) { |
b0109805 | 9505 | tcg_gen_addi_i32(addr, addr, -offset); |
5899f386 | 9506 | } |
99c475ab | 9507 | /* write back the new stack pointer */ |
b0109805 | 9508 | store_reg(s, 13, addr); |
99c475ab | 9509 | /* set the new PC value */ |
be5e7a76 DES |
9510 | if ((insn & 0x0900) == 0x0900) { |
9511 | store_reg_from_load(env, s, 15, tmp); | |
9512 | } | |
99c475ab FB |
9513 | break; |
9514 | ||
9ee6e8bb PB |
9515 | case 1: case 3: case 9: case 11: /* czb */ |
9516 | rm = insn & 7; | |
d9ba4830 | 9517 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
9518 | s->condlabel = gen_new_label(); |
9519 | s->condjmp = 1; | |
9520 | if (insn & (1 << 11)) | |
cb63669a | 9521 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, s->condlabel); |
9ee6e8bb | 9522 | else |
cb63669a | 9523 | tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, s->condlabel); |
7d1b0095 | 9524 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
9525 | offset = ((insn & 0xf8) >> 2) | (insn & 0x200) >> 3; |
9526 | val = (uint32_t)s->pc + 2; | |
9527 | val += offset; | |
9528 | gen_jmp(s, val); | |
9529 | break; | |
9530 | ||
9531 | case 15: /* IT, nop-hint. */ | |
9532 | if ((insn & 0xf) == 0) { | |
9533 | gen_nop_hint(s, (insn >> 4) & 0xf); | |
9534 | break; | |
9535 | } | |
9536 | /* If Then. */ | |
9537 | s->condexec_cond = (insn >> 4) & 0xe; | |
9538 | s->condexec_mask = insn & 0x1f; | |
9539 | /* No actual code generated for this insn, just setup state. */ | |
9540 | break; | |
9541 | ||
06c949e6 | 9542 | case 0xe: /* bkpt */ |
be5e7a76 | 9543 | ARCH(5); |
bc4a0de0 | 9544 | gen_exception_insn(s, 2, EXCP_BKPT); |
06c949e6 PB |
9545 | break; |
9546 | ||
9ee6e8bb PB |
9547 | case 0xa: /* rev */ |
9548 | ARCH(6); | |
9549 | rn = (insn >> 3) & 0x7; | |
9550 | rd = insn & 0x7; | |
b0109805 | 9551 | tmp = load_reg(s, rn); |
9ee6e8bb | 9552 | switch ((insn >> 6) & 3) { |
66896cb8 | 9553 | case 0: tcg_gen_bswap32_i32(tmp, tmp); break; |
b0109805 PB |
9554 | case 1: gen_rev16(tmp); break; |
9555 | case 3: gen_revsh(tmp); break; | |
9ee6e8bb PB |
9556 | default: goto illegal_op; |
9557 | } | |
b0109805 | 9558 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
9559 | break; |
9560 | ||
9561 | case 6: /* cps */ | |
9562 | ARCH(6); | |
9563 | if (IS_USER(s)) | |
9564 | break; | |
9565 | if (IS_M(env)) { | |
8984bd2e | 9566 | tmp = tcg_const_i32((insn & (1 << 4)) != 0); |
9ee6e8bb | 9567 | /* PRIMASK */ |
8984bd2e PB |
9568 | if (insn & 1) { |
9569 | addr = tcg_const_i32(16); | |
9570 | gen_helper_v7m_msr(cpu_env, addr, tmp); | |
b75263d6 | 9571 | tcg_temp_free_i32(addr); |
8984bd2e | 9572 | } |
9ee6e8bb | 9573 | /* FAULTMASK */ |
8984bd2e PB |
9574 | if (insn & 2) { |
9575 | addr = tcg_const_i32(17); | |
9576 | gen_helper_v7m_msr(cpu_env, addr, tmp); | |
b75263d6 | 9577 | tcg_temp_free_i32(addr); |
8984bd2e | 9578 | } |
b75263d6 | 9579 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
9580 | gen_lookup_tb(s); |
9581 | } else { | |
9582 | if (insn & (1 << 4)) | |
9583 | shift = CPSR_A | CPSR_I | CPSR_F; | |
9584 | else | |
9585 | shift = 0; | |
fa26df03 | 9586 | gen_set_psr_im(s, ((insn & 7) << 6), 0, shift); |
9ee6e8bb PB |
9587 | } |
9588 | break; | |
9589 | ||
99c475ab FB |
9590 | default: |
9591 | goto undef; | |
9592 | } | |
9593 | break; | |
9594 | ||
9595 | case 12: | |
a7d3970d | 9596 | { |
99c475ab | 9597 | /* load/store multiple */ |
a7d3970d PM |
9598 | TCGv loaded_var; |
9599 | TCGV_UNUSED(loaded_var); | |
99c475ab | 9600 | rn = (insn >> 8) & 0x7; |
b0109805 | 9601 | addr = load_reg(s, rn); |
99c475ab FB |
9602 | for (i = 0; i < 8; i++) { |
9603 | if (insn & (1 << i)) { | |
99c475ab FB |
9604 | if (insn & (1 << 11)) { |
9605 | /* load */ | |
b0109805 | 9606 | tmp = gen_ld32(addr, IS_USER(s)); |
a7d3970d PM |
9607 | if (i == rn) { |
9608 | loaded_var = tmp; | |
9609 | } else { | |
9610 | store_reg(s, i, tmp); | |
9611 | } | |
99c475ab FB |
9612 | } else { |
9613 | /* store */ | |
b0109805 PB |
9614 | tmp = load_reg(s, i); |
9615 | gen_st32(tmp, addr, IS_USER(s)); | |
99c475ab | 9616 | } |
5899f386 | 9617 | /* advance to the next address */ |
b0109805 | 9618 | tcg_gen_addi_i32(addr, addr, 4); |
99c475ab FB |
9619 | } |
9620 | } | |
b0109805 | 9621 | if ((insn & (1 << rn)) == 0) { |
a7d3970d | 9622 | /* base reg not in list: base register writeback */ |
b0109805 PB |
9623 | store_reg(s, rn, addr); |
9624 | } else { | |
a7d3970d PM |
9625 | /* base reg in list: if load, complete it now */ |
9626 | if (insn & (1 << 11)) { | |
9627 | store_reg(s, rn, loaded_var); | |
9628 | } | |
7d1b0095 | 9629 | tcg_temp_free_i32(addr); |
b0109805 | 9630 | } |
99c475ab | 9631 | break; |
a7d3970d | 9632 | } |
99c475ab FB |
9633 | case 13: |
9634 | /* conditional branch or swi */ | |
9635 | cond = (insn >> 8) & 0xf; | |
9636 | if (cond == 0xe) | |
9637 | goto undef; | |
9638 | ||
9639 | if (cond == 0xf) { | |
9640 | /* swi */ | |
422ebf69 | 9641 | gen_set_pc_im(s->pc); |
9ee6e8bb | 9642 | s->is_jmp = DISAS_SWI; |
99c475ab FB |
9643 | break; |
9644 | } | |
9645 | /* generate a conditional jump to next instruction */ | |
e50e6a20 | 9646 | s->condlabel = gen_new_label(); |
d9ba4830 | 9647 | gen_test_cc(cond ^ 1, s->condlabel); |
e50e6a20 | 9648 | s->condjmp = 1; |
99c475ab FB |
9649 | |
9650 | /* jump to the offset */ | |
5899f386 | 9651 | val = (uint32_t)s->pc + 2; |
99c475ab | 9652 | offset = ((int32_t)insn << 24) >> 24; |
5899f386 | 9653 | val += offset << 1; |
8aaca4c0 | 9654 | gen_jmp(s, val); |
99c475ab FB |
9655 | break; |
9656 | ||
9657 | case 14: | |
358bf29e | 9658 | if (insn & (1 << 11)) { |
9ee6e8bb PB |
9659 | if (disas_thumb2_insn(env, s, insn)) |
9660 | goto undef32; | |
358bf29e PB |
9661 | break; |
9662 | } | |
9ee6e8bb | 9663 | /* unconditional branch */ |
99c475ab FB |
9664 | val = (uint32_t)s->pc; |
9665 | offset = ((int32_t)insn << 21) >> 21; | |
9666 | val += (offset << 1) + 2; | |
8aaca4c0 | 9667 | gen_jmp(s, val); |
99c475ab FB |
9668 | break; |
9669 | ||
9670 | case 15: | |
9ee6e8bb | 9671 | if (disas_thumb2_insn(env, s, insn)) |
6a0d8a1d | 9672 | goto undef32; |
9ee6e8bb | 9673 | break; |
99c475ab FB |
9674 | } |
9675 | return; | |
9ee6e8bb | 9676 | undef32: |
bc4a0de0 | 9677 | gen_exception_insn(s, 4, EXCP_UDEF); |
9ee6e8bb PB |
9678 | return; |
9679 | illegal_op: | |
99c475ab | 9680 | undef: |
bc4a0de0 | 9681 | gen_exception_insn(s, 2, EXCP_UDEF); |
99c475ab FB |
9682 | } |
9683 | ||
2c0262af FB |
9684 | /* generate intermediate code in gen_opc_buf and gen_opparam_buf for |
9685 | basic block 'tb'. If search_pc is TRUE, also generate PC | |
9686 | information for each intermediate instruction. */ | |
2cfc5f17 TS |
9687 | static inline void gen_intermediate_code_internal(CPUState *env, |
9688 | TranslationBlock *tb, | |
9689 | int search_pc) | |
2c0262af FB |
9690 | { |
9691 | DisasContext dc1, *dc = &dc1; | |
a1d1bb31 | 9692 | CPUBreakpoint *bp; |
2c0262af FB |
9693 | uint16_t *gen_opc_end; |
9694 | int j, lj; | |
0fa85d43 | 9695 | target_ulong pc_start; |
b5ff1b31 | 9696 | uint32_t next_page_start; |
2e70f6ef PB |
9697 | int num_insns; |
9698 | int max_insns; | |
3b46e624 | 9699 | |
2c0262af | 9700 | /* generate intermediate code */ |
0fa85d43 | 9701 | pc_start = tb->pc; |
3b46e624 | 9702 | |
2c0262af FB |
9703 | dc->tb = tb; |
9704 | ||
2c0262af | 9705 | gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
2c0262af FB |
9706 | |
9707 | dc->is_jmp = DISAS_NEXT; | |
9708 | dc->pc = pc_start; | |
8aaca4c0 | 9709 | dc->singlestep_enabled = env->singlestep_enabled; |
e50e6a20 | 9710 | dc->condjmp = 0; |
7204ab88 | 9711 | dc->thumb = ARM_TBFLAG_THUMB(tb->flags); |
98eac7ca PM |
9712 | dc->condexec_mask = (ARM_TBFLAG_CONDEXEC(tb->flags) & 0xf) << 1; |
9713 | dc->condexec_cond = ARM_TBFLAG_CONDEXEC(tb->flags) >> 4; | |
b5ff1b31 | 9714 | #if !defined(CONFIG_USER_ONLY) |
61f74d6a | 9715 | dc->user = (ARM_TBFLAG_PRIV(tb->flags) == 0); |
b5ff1b31 | 9716 | #endif |
5df8bac1 | 9717 | dc->vfp_enabled = ARM_TBFLAG_VFPEN(tb->flags); |
69d1fc22 PM |
9718 | dc->vec_len = ARM_TBFLAG_VECLEN(tb->flags); |
9719 | dc->vec_stride = ARM_TBFLAG_VECSTRIDE(tb->flags); | |
a7812ae4 PB |
9720 | cpu_F0s = tcg_temp_new_i32(); |
9721 | cpu_F1s = tcg_temp_new_i32(); | |
9722 | cpu_F0d = tcg_temp_new_i64(); | |
9723 | cpu_F1d = tcg_temp_new_i64(); | |
ad69471c PB |
9724 | cpu_V0 = cpu_F0d; |
9725 | cpu_V1 = cpu_F1d; | |
e677137d | 9726 | /* FIXME: cpu_M0 can probably be the same as cpu_V0. */ |
a7812ae4 | 9727 | cpu_M0 = tcg_temp_new_i64(); |
b5ff1b31 | 9728 | next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE; |
2c0262af | 9729 | lj = -1; |
2e70f6ef PB |
9730 | num_insns = 0; |
9731 | max_insns = tb->cflags & CF_COUNT_MASK; | |
9732 | if (max_insns == 0) | |
9733 | max_insns = CF_COUNT_MASK; | |
9734 | ||
9735 | gen_icount_start(); | |
e12ce78d | 9736 | |
3849902c PM |
9737 | tcg_clear_temp_count(); |
9738 | ||
e12ce78d PM |
9739 | /* A note on handling of the condexec (IT) bits: |
9740 | * | |
9741 | * We want to avoid the overhead of having to write the updated condexec | |
9742 | * bits back to the CPUState for every instruction in an IT block. So: | |
9743 | * (1) if the condexec bits are not already zero then we write | |
9744 | * zero back into the CPUState now. This avoids complications trying | |
9745 | * to do it at the end of the block. (For example if we don't do this | |
9746 | * it's hard to identify whether we can safely skip writing condexec | |
9747 | * at the end of the TB, which we definitely want to do for the case | |
9748 | * where a TB doesn't do anything with the IT state at all.) | |
9749 | * (2) if we are going to leave the TB then we call gen_set_condexec() | |
9750 | * which will write the correct value into CPUState if zero is wrong. | |
9751 | * This is done both for leaving the TB at the end, and for leaving | |
9752 | * it because of an exception we know will happen, which is done in | |
9753 | * gen_exception_insn(). The latter is necessary because we need to | |
9754 | * leave the TB with the PC/IT state just prior to execution of the | |
9755 | * instruction which caused the exception. | |
9756 | * (3) if we leave the TB unexpectedly (eg a data abort on a load) | |
9757 | * then the CPUState will be wrong and we need to reset it. | |
9758 | * This is handled in the same way as restoration of the | |
9759 | * PC in these situations: we will be called again with search_pc=1 | |
9760 | * and generate a mapping of the condexec bits for each PC in | |
e87b7cb0 SW |
9761 | * gen_opc_condexec_bits[]. restore_state_to_opc() then uses |
9762 | * this to restore the condexec bits. | |
e12ce78d PM |
9763 | * |
9764 | * Note that there are no instructions which can read the condexec | |
9765 | * bits, and none which can write non-static values to them, so | |
9766 | * we don't need to care about whether CPUState is correct in the | |
9767 | * middle of a TB. | |
9768 | */ | |
9769 | ||
9ee6e8bb PB |
9770 | /* Reset the conditional execution bits immediately. This avoids |
9771 | complications trying to do it at the end of the block. */ | |
98eac7ca | 9772 | if (dc->condexec_mask || dc->condexec_cond) |
8f01245e | 9773 | { |
7d1b0095 | 9774 | TCGv tmp = tcg_temp_new_i32(); |
8f01245e | 9775 | tcg_gen_movi_i32(tmp, 0); |
d9ba4830 | 9776 | store_cpu_field(tmp, condexec_bits); |
8f01245e | 9777 | } |
2c0262af | 9778 | do { |
fbb4a2e3 PB |
9779 | #ifdef CONFIG_USER_ONLY |
9780 | /* Intercept jump to the magic kernel page. */ | |
9781 | if (dc->pc >= 0xffff0000) { | |
9782 | /* We always get here via a jump, so know we are not in a | |
9783 | conditional execution block. */ | |
9784 | gen_exception(EXCP_KERNEL_TRAP); | |
9785 | dc->is_jmp = DISAS_UPDATE; | |
9786 | break; | |
9787 | } | |
9788 | #else | |
9ee6e8bb PB |
9789 | if (dc->pc >= 0xfffffff0 && IS_M(env)) { |
9790 | /* We always get here via a jump, so know we are not in a | |
9791 | conditional execution block. */ | |
d9ba4830 | 9792 | gen_exception(EXCP_EXCEPTION_EXIT); |
d60bb01c PB |
9793 | dc->is_jmp = DISAS_UPDATE; |
9794 | break; | |
9ee6e8bb PB |
9795 | } |
9796 | #endif | |
9797 | ||
72cf2d4f BS |
9798 | if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) { |
9799 | QTAILQ_FOREACH(bp, &env->breakpoints, entry) { | |
a1d1bb31 | 9800 | if (bp->pc == dc->pc) { |
bc4a0de0 | 9801 | gen_exception_insn(dc, 0, EXCP_DEBUG); |
9ee6e8bb PB |
9802 | /* Advance PC so that clearing the breakpoint will |
9803 | invalidate this TB. */ | |
9804 | dc->pc += 2; | |
9805 | goto done_generating; | |
1fddef4b FB |
9806 | break; |
9807 | } | |
9808 | } | |
9809 | } | |
2c0262af FB |
9810 | if (search_pc) { |
9811 | j = gen_opc_ptr - gen_opc_buf; | |
9812 | if (lj < j) { | |
9813 | lj++; | |
9814 | while (lj < j) | |
9815 | gen_opc_instr_start[lj++] = 0; | |
9816 | } | |
0fa85d43 | 9817 | gen_opc_pc[lj] = dc->pc; |
e12ce78d | 9818 | gen_opc_condexec_bits[lj] = (dc->condexec_cond << 4) | (dc->condexec_mask >> 1); |
2c0262af | 9819 | gen_opc_instr_start[lj] = 1; |
2e70f6ef | 9820 | gen_opc_icount[lj] = num_insns; |
2c0262af | 9821 | } |
e50e6a20 | 9822 | |
2e70f6ef PB |
9823 | if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) |
9824 | gen_io_start(); | |
9825 | ||
5642463a PM |
9826 | if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP))) { |
9827 | tcg_gen_debug_insn_start(dc->pc); | |
9828 | } | |
9829 | ||
7204ab88 | 9830 | if (dc->thumb) { |
9ee6e8bb PB |
9831 | disas_thumb_insn(env, dc); |
9832 | if (dc->condexec_mask) { | |
9833 | dc->condexec_cond = (dc->condexec_cond & 0xe) | |
9834 | | ((dc->condexec_mask >> 4) & 1); | |
9835 | dc->condexec_mask = (dc->condexec_mask << 1) & 0x1f; | |
9836 | if (dc->condexec_mask == 0) { | |
9837 | dc->condexec_cond = 0; | |
9838 | } | |
9839 | } | |
9840 | } else { | |
9841 | disas_arm_insn(env, dc); | |
9842 | } | |
e50e6a20 FB |
9843 | |
9844 | if (dc->condjmp && !dc->is_jmp) { | |
9845 | gen_set_label(dc->condlabel); | |
9846 | dc->condjmp = 0; | |
9847 | } | |
3849902c PM |
9848 | |
9849 | if (tcg_check_temp_count()) { | |
9850 | fprintf(stderr, "TCG temporary leak before %08x\n", dc->pc); | |
9851 | } | |
9852 | ||
aaf2d97d | 9853 | /* Translation stops when a conditional branch is encountered. |
e50e6a20 | 9854 | * Otherwise the subsequent code could get translated several times. |
b5ff1b31 | 9855 | * Also stop translation when a page boundary is reached. This |
bf20dc07 | 9856 | * ensures prefetch aborts occur at the right place. */ |
2e70f6ef | 9857 | num_insns ++; |
1fddef4b FB |
9858 | } while (!dc->is_jmp && gen_opc_ptr < gen_opc_end && |
9859 | !env->singlestep_enabled && | |
1b530a6d | 9860 | !singlestep && |
2e70f6ef PB |
9861 | dc->pc < next_page_start && |
9862 | num_insns < max_insns); | |
9863 | ||
9864 | if (tb->cflags & CF_LAST_IO) { | |
9865 | if (dc->condjmp) { | |
9866 | /* FIXME: This can theoretically happen with self-modifying | |
9867 | code. */ | |
9868 | cpu_abort(env, "IO on conditional branch instruction"); | |
9869 | } | |
9870 | gen_io_end(); | |
9871 | } | |
9ee6e8bb | 9872 | |
b5ff1b31 | 9873 | /* At this stage dc->condjmp will only be set when the skipped |
9ee6e8bb PB |
9874 | instruction was a conditional branch or trap, and the PC has |
9875 | already been written. */ | |
551bd27f | 9876 | if (unlikely(env->singlestep_enabled)) { |
8aaca4c0 | 9877 | /* Make sure the pc is updated, and raise a debug exception. */ |
e50e6a20 | 9878 | if (dc->condjmp) { |
9ee6e8bb PB |
9879 | gen_set_condexec(dc); |
9880 | if (dc->is_jmp == DISAS_SWI) { | |
d9ba4830 | 9881 | gen_exception(EXCP_SWI); |
9ee6e8bb | 9882 | } else { |
d9ba4830 | 9883 | gen_exception(EXCP_DEBUG); |
9ee6e8bb | 9884 | } |
e50e6a20 FB |
9885 | gen_set_label(dc->condlabel); |
9886 | } | |
9887 | if (dc->condjmp || !dc->is_jmp) { | |
5e3f878a | 9888 | gen_set_pc_im(dc->pc); |
e50e6a20 | 9889 | dc->condjmp = 0; |
8aaca4c0 | 9890 | } |
9ee6e8bb PB |
9891 | gen_set_condexec(dc); |
9892 | if (dc->is_jmp == DISAS_SWI && !dc->condjmp) { | |
d9ba4830 | 9893 | gen_exception(EXCP_SWI); |
9ee6e8bb PB |
9894 | } else { |
9895 | /* FIXME: Single stepping a WFI insn will not halt | |
9896 | the CPU. */ | |
d9ba4830 | 9897 | gen_exception(EXCP_DEBUG); |
9ee6e8bb | 9898 | } |
8aaca4c0 | 9899 | } else { |
9ee6e8bb PB |
9900 | /* While branches must always occur at the end of an IT block, |
9901 | there are a few other things that can cause us to terminate | |
9902 | the TB in the middel of an IT block: | |
9903 | - Exception generating instructions (bkpt, swi, undefined). | |
9904 | - Page boundaries. | |
9905 | - Hardware watchpoints. | |
9906 | Hardware breakpoints have already been handled and skip this code. | |
9907 | */ | |
9908 | gen_set_condexec(dc); | |
8aaca4c0 | 9909 | switch(dc->is_jmp) { |
8aaca4c0 | 9910 | case DISAS_NEXT: |
6e256c93 | 9911 | gen_goto_tb(dc, 1, dc->pc); |
8aaca4c0 FB |
9912 | break; |
9913 | default: | |
9914 | case DISAS_JUMP: | |
9915 | case DISAS_UPDATE: | |
9916 | /* indicate that the hash table must be used to find the next TB */ | |
57fec1fe | 9917 | tcg_gen_exit_tb(0); |
8aaca4c0 FB |
9918 | break; |
9919 | case DISAS_TB_JUMP: | |
9920 | /* nothing more to generate */ | |
9921 | break; | |
9ee6e8bb | 9922 | case DISAS_WFI: |
d9ba4830 | 9923 | gen_helper_wfi(); |
9ee6e8bb PB |
9924 | break; |
9925 | case DISAS_SWI: | |
d9ba4830 | 9926 | gen_exception(EXCP_SWI); |
9ee6e8bb | 9927 | break; |
8aaca4c0 | 9928 | } |
e50e6a20 FB |
9929 | if (dc->condjmp) { |
9930 | gen_set_label(dc->condlabel); | |
9ee6e8bb | 9931 | gen_set_condexec(dc); |
6e256c93 | 9932 | gen_goto_tb(dc, 1, dc->pc); |
e50e6a20 FB |
9933 | dc->condjmp = 0; |
9934 | } | |
2c0262af | 9935 | } |
2e70f6ef | 9936 | |
9ee6e8bb | 9937 | done_generating: |
2e70f6ef | 9938 | gen_icount_end(tb, num_insns); |
2c0262af FB |
9939 | *gen_opc_ptr = INDEX_op_end; |
9940 | ||
9941 | #ifdef DEBUG_DISAS | |
8fec2b8c | 9942 | if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { |
93fcfe39 AL |
9943 | qemu_log("----------------\n"); |
9944 | qemu_log("IN: %s\n", lookup_symbol(pc_start)); | |
7204ab88 | 9945 | log_target_disas(pc_start, dc->pc - pc_start, dc->thumb); |
93fcfe39 | 9946 | qemu_log("\n"); |
2c0262af FB |
9947 | } |
9948 | #endif | |
b5ff1b31 FB |
9949 | if (search_pc) { |
9950 | j = gen_opc_ptr - gen_opc_buf; | |
9951 | lj++; | |
9952 | while (lj <= j) | |
9953 | gen_opc_instr_start[lj++] = 0; | |
b5ff1b31 | 9954 | } else { |
2c0262af | 9955 | tb->size = dc->pc - pc_start; |
2e70f6ef | 9956 | tb->icount = num_insns; |
b5ff1b31 | 9957 | } |
2c0262af FB |
9958 | } |
9959 | ||
2cfc5f17 | 9960 | void gen_intermediate_code(CPUState *env, TranslationBlock *tb) |
2c0262af | 9961 | { |
2cfc5f17 | 9962 | gen_intermediate_code_internal(env, tb, 0); |
2c0262af FB |
9963 | } |
9964 | ||
2cfc5f17 | 9965 | void gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb) |
2c0262af | 9966 | { |
2cfc5f17 | 9967 | gen_intermediate_code_internal(env, tb, 1); |
2c0262af FB |
9968 | } |
9969 | ||
b5ff1b31 FB |
9970 | static const char *cpu_mode_names[16] = { |
9971 | "usr", "fiq", "irq", "svc", "???", "???", "???", "abt", | |
9972 | "???", "???", "???", "und", "???", "???", "???", "sys" | |
9973 | }; | |
9ee6e8bb | 9974 | |
9a78eead | 9975 | void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf, |
7fe48483 | 9976 | int flags) |
2c0262af FB |
9977 | { |
9978 | int i; | |
06e80fc9 | 9979 | #if 0 |
bc380d17 | 9980 | union { |
b7bcbe95 FB |
9981 | uint32_t i; |
9982 | float s; | |
9983 | } s0, s1; | |
9984 | CPU_DoubleU d; | |
a94a6abf PB |
9985 | /* ??? This assumes float64 and double have the same layout. |
9986 | Oh well, it's only debug dumps. */ | |
9987 | union { | |
9988 | float64 f64; | |
9989 | double d; | |
9990 | } d0; | |
06e80fc9 | 9991 | #endif |
b5ff1b31 | 9992 | uint32_t psr; |
2c0262af FB |
9993 | |
9994 | for(i=0;i<16;i++) { | |
7fe48483 | 9995 | cpu_fprintf(f, "R%02d=%08x", i, env->regs[i]); |
2c0262af | 9996 | if ((i % 4) == 3) |
7fe48483 | 9997 | cpu_fprintf(f, "\n"); |
2c0262af | 9998 | else |
7fe48483 | 9999 | cpu_fprintf(f, " "); |
2c0262af | 10000 | } |
b5ff1b31 | 10001 | psr = cpsr_read(env); |
687fa640 TS |
10002 | cpu_fprintf(f, "PSR=%08x %c%c%c%c %c %s%d\n", |
10003 | psr, | |
b5ff1b31 FB |
10004 | psr & (1 << 31) ? 'N' : '-', |
10005 | psr & (1 << 30) ? 'Z' : '-', | |
10006 | psr & (1 << 29) ? 'C' : '-', | |
10007 | psr & (1 << 28) ? 'V' : '-', | |
5fafdf24 | 10008 | psr & CPSR_T ? 'T' : 'A', |
b5ff1b31 | 10009 | cpu_mode_names[psr & 0xf], (psr & 0x10) ? 32 : 26); |
b7bcbe95 | 10010 | |
5e3f878a | 10011 | #if 0 |
b7bcbe95 | 10012 | for (i = 0; i < 16; i++) { |
8e96005d FB |
10013 | d.d = env->vfp.regs[i]; |
10014 | s0.i = d.l.lower; | |
10015 | s1.i = d.l.upper; | |
a94a6abf PB |
10016 | d0.f64 = d.d; |
10017 | cpu_fprintf(f, "s%02d=%08x(%8g) s%02d=%08x(%8g) d%02d=%08x%08x(%8g)\n", | |
b7bcbe95 | 10018 | i * 2, (int)s0.i, s0.s, |
a94a6abf | 10019 | i * 2 + 1, (int)s1.i, s1.s, |
b7bcbe95 | 10020 | i, (int)(uint32_t)d.l.upper, (int)(uint32_t)d.l.lower, |
a94a6abf | 10021 | d0.d); |
b7bcbe95 | 10022 | } |
40f137e1 | 10023 | cpu_fprintf(f, "FPSCR: %08x\n", (int)env->vfp.xregs[ARM_VFP_FPSCR]); |
5e3f878a | 10024 | #endif |
2c0262af | 10025 | } |
a6b025d3 | 10026 | |
e87b7cb0 | 10027 | void restore_state_to_opc(CPUState *env, TranslationBlock *tb, int pc_pos) |
d2856f1a AJ |
10028 | { |
10029 | env->regs[15] = gen_opc_pc[pc_pos]; | |
e12ce78d | 10030 | env->condexec_bits = gen_opc_condexec_bits[pc_pos]; |
d2856f1a | 10031 | } |