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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" | |
28 | #include "exec-all.h" | |
29 | #include "disas.h" | |
57fec1fe | 30 | #include "tcg-op.h" |
79383c9c | 31 | #include "qemu-log.h" |
1497c961 | 32 | |
a7812ae4 | 33 | #include "helpers.h" |
1497c961 | 34 | #define GEN_HELPER 1 |
b26eefb6 | 35 | #include "helpers.h" |
2c0262af | 36 | |
9ee6e8bb PB |
37 | #define ENABLE_ARCH_5J 0 |
38 | #define ENABLE_ARCH_6 arm_feature(env, ARM_FEATURE_V6) | |
39 | #define ENABLE_ARCH_6K arm_feature(env, ARM_FEATURE_V6K) | |
40 | #define ENABLE_ARCH_6T2 arm_feature(env, ARM_FEATURE_THUMB2) | |
41 | #define ENABLE_ARCH_7 arm_feature(env, ARM_FEATURE_V7) | |
b5ff1b31 | 42 | |
86753403 | 43 | #define ARCH(x) do { if (!ENABLE_ARCH_##x) goto illegal_op; } while(0) |
b5ff1b31 | 44 | |
2c0262af FB |
45 | /* internal defines */ |
46 | typedef struct DisasContext { | |
0fa85d43 | 47 | target_ulong pc; |
2c0262af | 48 | int is_jmp; |
e50e6a20 FB |
49 | /* Nonzero if this instruction has been conditionally skipped. */ |
50 | int condjmp; | |
51 | /* The label that will be jumped to when the instruction is skipped. */ | |
52 | int condlabel; | |
9ee6e8bb PB |
53 | /* Thumb-2 condtional execution bits. */ |
54 | int condexec_mask; | |
55 | int condexec_cond; | |
2c0262af | 56 | struct TranslationBlock *tb; |
8aaca4c0 | 57 | int singlestep_enabled; |
5899f386 | 58 | int thumb; |
b5ff1b31 FB |
59 | #if !defined(CONFIG_USER_ONLY) |
60 | int user; | |
61 | #endif | |
5df8bac1 | 62 | int vfp_enabled; |
69d1fc22 PM |
63 | int vec_len; |
64 | int vec_stride; | |
2c0262af FB |
65 | } DisasContext; |
66 | ||
e12ce78d PM |
67 | static uint32_t gen_opc_condexec_bits[OPC_BUF_SIZE]; |
68 | ||
b5ff1b31 FB |
69 | #if defined(CONFIG_USER_ONLY) |
70 | #define IS_USER(s) 1 | |
71 | #else | |
72 | #define IS_USER(s) (s->user) | |
73 | #endif | |
74 | ||
9ee6e8bb PB |
75 | /* These instructions trap after executing, so defer them until after the |
76 | conditional executions state has been updated. */ | |
77 | #define DISAS_WFI 4 | |
78 | #define DISAS_SWI 5 | |
2c0262af | 79 | |
a7812ae4 | 80 | static TCGv_ptr cpu_env; |
ad69471c | 81 | /* We reuse the same 64-bit temporaries for efficiency. */ |
a7812ae4 | 82 | static TCGv_i64 cpu_V0, cpu_V1, cpu_M0; |
155c3eac | 83 | static TCGv_i32 cpu_R[16]; |
426f5abc PB |
84 | static TCGv_i32 cpu_exclusive_addr; |
85 | static TCGv_i32 cpu_exclusive_val; | |
86 | static TCGv_i32 cpu_exclusive_high; | |
87 | #ifdef CONFIG_USER_ONLY | |
88 | static TCGv_i32 cpu_exclusive_test; | |
89 | static TCGv_i32 cpu_exclusive_info; | |
90 | #endif | |
ad69471c | 91 | |
b26eefb6 | 92 | /* FIXME: These should be removed. */ |
a7812ae4 PB |
93 | static TCGv cpu_F0s, cpu_F1s; |
94 | static TCGv_i64 cpu_F0d, cpu_F1d; | |
b26eefb6 | 95 | |
2e70f6ef PB |
96 | #include "gen-icount.h" |
97 | ||
155c3eac FN |
98 | static const char *regnames[] = |
99 | { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", | |
100 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "pc" }; | |
101 | ||
b26eefb6 PB |
102 | /* initialize TCG globals. */ |
103 | void arm_translate_init(void) | |
104 | { | |
155c3eac FN |
105 | int i; |
106 | ||
a7812ae4 PB |
107 | cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env"); |
108 | ||
155c3eac FN |
109 | for (i = 0; i < 16; i++) { |
110 | cpu_R[i] = tcg_global_mem_new_i32(TCG_AREG0, | |
111 | offsetof(CPUState, regs[i]), | |
112 | regnames[i]); | |
113 | } | |
426f5abc PB |
114 | cpu_exclusive_addr = tcg_global_mem_new_i32(TCG_AREG0, |
115 | offsetof(CPUState, exclusive_addr), "exclusive_addr"); | |
116 | cpu_exclusive_val = tcg_global_mem_new_i32(TCG_AREG0, | |
117 | offsetof(CPUState, exclusive_val), "exclusive_val"); | |
118 | cpu_exclusive_high = tcg_global_mem_new_i32(TCG_AREG0, | |
119 | offsetof(CPUState, exclusive_high), "exclusive_high"); | |
120 | #ifdef CONFIG_USER_ONLY | |
121 | cpu_exclusive_test = tcg_global_mem_new_i32(TCG_AREG0, | |
122 | offsetof(CPUState, exclusive_test), "exclusive_test"); | |
123 | cpu_exclusive_info = tcg_global_mem_new_i32(TCG_AREG0, | |
124 | offsetof(CPUState, exclusive_info), "exclusive_info"); | |
125 | #endif | |
155c3eac | 126 | |
a7812ae4 PB |
127 | #define GEN_HELPER 2 |
128 | #include "helpers.h" | |
b26eefb6 PB |
129 | } |
130 | ||
d9ba4830 PB |
131 | static inline TCGv load_cpu_offset(int offset) |
132 | { | |
7d1b0095 | 133 | TCGv tmp = tcg_temp_new_i32(); |
d9ba4830 PB |
134 | tcg_gen_ld_i32(tmp, cpu_env, offset); |
135 | return tmp; | |
136 | } | |
137 | ||
138 | #define load_cpu_field(name) load_cpu_offset(offsetof(CPUState, name)) | |
139 | ||
140 | static inline void store_cpu_offset(TCGv var, int offset) | |
141 | { | |
142 | tcg_gen_st_i32(var, cpu_env, offset); | |
7d1b0095 | 143 | tcg_temp_free_i32(var); |
d9ba4830 PB |
144 | } |
145 | ||
146 | #define store_cpu_field(var, name) \ | |
147 | store_cpu_offset(var, offsetof(CPUState, name)) | |
148 | ||
b26eefb6 PB |
149 | /* Set a variable to the value of a CPU register. */ |
150 | static void load_reg_var(DisasContext *s, TCGv var, int reg) | |
151 | { | |
152 | if (reg == 15) { | |
153 | uint32_t addr; | |
154 | /* normaly, since we updated PC, we need only to add one insn */ | |
155 | if (s->thumb) | |
156 | addr = (long)s->pc + 2; | |
157 | else | |
158 | addr = (long)s->pc + 4; | |
159 | tcg_gen_movi_i32(var, addr); | |
160 | } else { | |
155c3eac | 161 | tcg_gen_mov_i32(var, cpu_R[reg]); |
b26eefb6 PB |
162 | } |
163 | } | |
164 | ||
165 | /* Create a new temporary and set it to the value of a CPU register. */ | |
166 | static inline TCGv load_reg(DisasContext *s, int reg) | |
167 | { | |
7d1b0095 | 168 | TCGv tmp = tcg_temp_new_i32(); |
b26eefb6 PB |
169 | load_reg_var(s, tmp, reg); |
170 | return tmp; | |
171 | } | |
172 | ||
173 | /* Set a CPU register. The source must be a temporary and will be | |
174 | marked as dead. */ | |
175 | static void store_reg(DisasContext *s, int reg, TCGv var) | |
176 | { | |
177 | if (reg == 15) { | |
178 | tcg_gen_andi_i32(var, var, ~1); | |
179 | s->is_jmp = DISAS_JUMP; | |
180 | } | |
155c3eac | 181 | tcg_gen_mov_i32(cpu_R[reg], var); |
7d1b0095 | 182 | tcg_temp_free_i32(var); |
b26eefb6 PB |
183 | } |
184 | ||
b26eefb6 | 185 | /* Value extensions. */ |
86831435 PB |
186 | #define gen_uxtb(var) tcg_gen_ext8u_i32(var, var) |
187 | #define gen_uxth(var) tcg_gen_ext16u_i32(var, var) | |
b26eefb6 PB |
188 | #define gen_sxtb(var) tcg_gen_ext8s_i32(var, var) |
189 | #define gen_sxth(var) tcg_gen_ext16s_i32(var, var) | |
190 | ||
1497c961 PB |
191 | #define gen_sxtb16(var) gen_helper_sxtb16(var, var) |
192 | #define gen_uxtb16(var) gen_helper_uxtb16(var, var) | |
8f01245e | 193 | |
b26eefb6 | 194 | |
b75263d6 JR |
195 | static inline void gen_set_cpsr(TCGv var, uint32_t mask) |
196 | { | |
197 | TCGv tmp_mask = tcg_const_i32(mask); | |
198 | gen_helper_cpsr_write(var, tmp_mask); | |
199 | tcg_temp_free_i32(tmp_mask); | |
200 | } | |
d9ba4830 PB |
201 | /* Set NZCV flags from the high 4 bits of var. */ |
202 | #define gen_set_nzcv(var) gen_set_cpsr(var, CPSR_NZCV) | |
203 | ||
204 | static void gen_exception(int excp) | |
205 | { | |
7d1b0095 | 206 | TCGv tmp = tcg_temp_new_i32(); |
d9ba4830 PB |
207 | tcg_gen_movi_i32(tmp, excp); |
208 | gen_helper_exception(tmp); | |
7d1b0095 | 209 | tcg_temp_free_i32(tmp); |
d9ba4830 PB |
210 | } |
211 | ||
3670669c PB |
212 | static void gen_smul_dual(TCGv a, TCGv b) |
213 | { | |
7d1b0095 PM |
214 | TCGv tmp1 = tcg_temp_new_i32(); |
215 | TCGv tmp2 = tcg_temp_new_i32(); | |
22478e79 AZ |
216 | tcg_gen_ext16s_i32(tmp1, a); |
217 | tcg_gen_ext16s_i32(tmp2, b); | |
3670669c | 218 | tcg_gen_mul_i32(tmp1, tmp1, tmp2); |
7d1b0095 | 219 | tcg_temp_free_i32(tmp2); |
3670669c PB |
220 | tcg_gen_sari_i32(a, a, 16); |
221 | tcg_gen_sari_i32(b, b, 16); | |
222 | tcg_gen_mul_i32(b, b, a); | |
223 | tcg_gen_mov_i32(a, tmp1); | |
7d1b0095 | 224 | tcg_temp_free_i32(tmp1); |
3670669c PB |
225 | } |
226 | ||
227 | /* Byteswap each halfword. */ | |
228 | static void gen_rev16(TCGv var) | |
229 | { | |
7d1b0095 | 230 | TCGv tmp = tcg_temp_new_i32(); |
3670669c PB |
231 | tcg_gen_shri_i32(tmp, var, 8); |
232 | tcg_gen_andi_i32(tmp, tmp, 0x00ff00ff); | |
233 | tcg_gen_shli_i32(var, var, 8); | |
234 | tcg_gen_andi_i32(var, var, 0xff00ff00); | |
235 | tcg_gen_or_i32(var, var, tmp); | |
7d1b0095 | 236 | tcg_temp_free_i32(tmp); |
3670669c PB |
237 | } |
238 | ||
239 | /* Byteswap low halfword and sign extend. */ | |
240 | static void gen_revsh(TCGv var) | |
241 | { | |
1a855029 AJ |
242 | tcg_gen_ext16u_i32(var, var); |
243 | tcg_gen_bswap16_i32(var, var); | |
244 | tcg_gen_ext16s_i32(var, var); | |
3670669c PB |
245 | } |
246 | ||
247 | /* Unsigned bitfield extract. */ | |
248 | static void gen_ubfx(TCGv var, int shift, uint32_t mask) | |
249 | { | |
250 | if (shift) | |
251 | tcg_gen_shri_i32(var, var, shift); | |
252 | tcg_gen_andi_i32(var, var, mask); | |
253 | } | |
254 | ||
255 | /* Signed bitfield extract. */ | |
256 | static void gen_sbfx(TCGv var, int shift, int width) | |
257 | { | |
258 | uint32_t signbit; | |
259 | ||
260 | if (shift) | |
261 | tcg_gen_sari_i32(var, var, shift); | |
262 | if (shift + width < 32) { | |
263 | signbit = 1u << (width - 1); | |
264 | tcg_gen_andi_i32(var, var, (1u << width) - 1); | |
265 | tcg_gen_xori_i32(var, var, signbit); | |
266 | tcg_gen_subi_i32(var, var, signbit); | |
267 | } | |
268 | } | |
269 | ||
270 | /* Bitfield insertion. Insert val into base. Clobbers base and val. */ | |
271 | static void gen_bfi(TCGv dest, TCGv base, TCGv val, int shift, uint32_t mask) | |
272 | { | |
3670669c | 273 | tcg_gen_andi_i32(val, val, mask); |
8f8e3aa4 PB |
274 | tcg_gen_shli_i32(val, val, shift); |
275 | tcg_gen_andi_i32(base, base, ~(mask << shift)); | |
3670669c PB |
276 | tcg_gen_or_i32(dest, base, val); |
277 | } | |
278 | ||
838fa72d AJ |
279 | /* Return (b << 32) + a. Mark inputs as dead */ |
280 | static TCGv_i64 gen_addq_msw(TCGv_i64 a, TCGv b) | |
3670669c | 281 | { |
838fa72d AJ |
282 | TCGv_i64 tmp64 = tcg_temp_new_i64(); |
283 | ||
284 | tcg_gen_extu_i32_i64(tmp64, b); | |
7d1b0095 | 285 | tcg_temp_free_i32(b); |
838fa72d AJ |
286 | tcg_gen_shli_i64(tmp64, tmp64, 32); |
287 | tcg_gen_add_i64(a, tmp64, a); | |
288 | ||
289 | tcg_temp_free_i64(tmp64); | |
290 | return a; | |
291 | } | |
292 | ||
293 | /* Return (b << 32) - a. Mark inputs as dead. */ | |
294 | static TCGv_i64 gen_subq_msw(TCGv_i64 a, TCGv b) | |
295 | { | |
296 | TCGv_i64 tmp64 = tcg_temp_new_i64(); | |
297 | ||
298 | tcg_gen_extu_i32_i64(tmp64, b); | |
7d1b0095 | 299 | tcg_temp_free_i32(b); |
838fa72d AJ |
300 | tcg_gen_shli_i64(tmp64, tmp64, 32); |
301 | tcg_gen_sub_i64(a, tmp64, a); | |
302 | ||
303 | tcg_temp_free_i64(tmp64); | |
304 | return a; | |
3670669c PB |
305 | } |
306 | ||
8f01245e PB |
307 | /* FIXME: Most targets have native widening multiplication. |
308 | It would be good to use that instead of a full wide multiply. */ | |
5e3f878a | 309 | /* 32x32->64 multiply. Marks inputs as dead. */ |
a7812ae4 | 310 | static TCGv_i64 gen_mulu_i64_i32(TCGv a, TCGv b) |
5e3f878a | 311 | { |
a7812ae4 PB |
312 | TCGv_i64 tmp1 = tcg_temp_new_i64(); |
313 | TCGv_i64 tmp2 = tcg_temp_new_i64(); | |
5e3f878a PB |
314 | |
315 | tcg_gen_extu_i32_i64(tmp1, a); | |
7d1b0095 | 316 | tcg_temp_free_i32(a); |
5e3f878a | 317 | tcg_gen_extu_i32_i64(tmp2, b); |
7d1b0095 | 318 | tcg_temp_free_i32(b); |
5e3f878a | 319 | tcg_gen_mul_i64(tmp1, tmp1, tmp2); |
b75263d6 | 320 | tcg_temp_free_i64(tmp2); |
5e3f878a PB |
321 | return tmp1; |
322 | } | |
323 | ||
a7812ae4 | 324 | static TCGv_i64 gen_muls_i64_i32(TCGv a, TCGv b) |
5e3f878a | 325 | { |
a7812ae4 PB |
326 | TCGv_i64 tmp1 = tcg_temp_new_i64(); |
327 | TCGv_i64 tmp2 = tcg_temp_new_i64(); | |
5e3f878a PB |
328 | |
329 | tcg_gen_ext_i32_i64(tmp1, a); | |
7d1b0095 | 330 | tcg_temp_free_i32(a); |
5e3f878a | 331 | tcg_gen_ext_i32_i64(tmp2, b); |
7d1b0095 | 332 | tcg_temp_free_i32(b); |
5e3f878a | 333 | tcg_gen_mul_i64(tmp1, tmp1, tmp2); |
b75263d6 | 334 | tcg_temp_free_i64(tmp2); |
5e3f878a PB |
335 | return tmp1; |
336 | } | |
337 | ||
8f01245e PB |
338 | /* Swap low and high halfwords. */ |
339 | static void gen_swap_half(TCGv var) | |
340 | { | |
7d1b0095 | 341 | TCGv tmp = tcg_temp_new_i32(); |
8f01245e PB |
342 | tcg_gen_shri_i32(tmp, var, 16); |
343 | tcg_gen_shli_i32(var, var, 16); | |
344 | tcg_gen_or_i32(var, var, tmp); | |
7d1b0095 | 345 | tcg_temp_free_i32(tmp); |
8f01245e PB |
346 | } |
347 | ||
b26eefb6 PB |
348 | /* Dual 16-bit add. Result placed in t0 and t1 is marked as dead. |
349 | tmp = (t0 ^ t1) & 0x8000; | |
350 | t0 &= ~0x8000; | |
351 | t1 &= ~0x8000; | |
352 | t0 = (t0 + t1) ^ tmp; | |
353 | */ | |
354 | ||
355 | static void gen_add16(TCGv t0, TCGv t1) | |
356 | { | |
7d1b0095 | 357 | TCGv tmp = tcg_temp_new_i32(); |
b26eefb6 PB |
358 | tcg_gen_xor_i32(tmp, t0, t1); |
359 | tcg_gen_andi_i32(tmp, tmp, 0x8000); | |
360 | tcg_gen_andi_i32(t0, t0, ~0x8000); | |
361 | tcg_gen_andi_i32(t1, t1, ~0x8000); | |
362 | tcg_gen_add_i32(t0, t0, t1); | |
363 | tcg_gen_xor_i32(t0, t0, tmp); | |
7d1b0095 PM |
364 | tcg_temp_free_i32(tmp); |
365 | tcg_temp_free_i32(t1); | |
b26eefb6 PB |
366 | } |
367 | ||
9a119ff6 PB |
368 | #define gen_set_CF(var) tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, CF)) |
369 | ||
b26eefb6 PB |
370 | /* Set CF to the top bit of var. */ |
371 | static void gen_set_CF_bit31(TCGv var) | |
372 | { | |
7d1b0095 | 373 | TCGv tmp = tcg_temp_new_i32(); |
b26eefb6 | 374 | tcg_gen_shri_i32(tmp, var, 31); |
4cc633c3 | 375 | gen_set_CF(tmp); |
7d1b0095 | 376 | tcg_temp_free_i32(tmp); |
b26eefb6 PB |
377 | } |
378 | ||
379 | /* Set N and Z flags from var. */ | |
380 | static inline void gen_logic_CC(TCGv var) | |
381 | { | |
6fbe23d5 PB |
382 | tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, NF)); |
383 | tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, ZF)); | |
b26eefb6 PB |
384 | } |
385 | ||
386 | /* T0 += T1 + CF. */ | |
396e467c | 387 | static void gen_adc(TCGv t0, TCGv t1) |
b26eefb6 | 388 | { |
d9ba4830 | 389 | TCGv tmp; |
396e467c | 390 | tcg_gen_add_i32(t0, t0, t1); |
d9ba4830 | 391 | tmp = load_cpu_field(CF); |
396e467c | 392 | tcg_gen_add_i32(t0, t0, tmp); |
7d1b0095 | 393 | tcg_temp_free_i32(tmp); |
b26eefb6 PB |
394 | } |
395 | ||
e9bb4aa9 JR |
396 | /* dest = T0 + T1 + CF. */ |
397 | static void gen_add_carry(TCGv dest, TCGv t0, TCGv t1) | |
398 | { | |
399 | TCGv tmp; | |
400 | tcg_gen_add_i32(dest, t0, t1); | |
401 | tmp = load_cpu_field(CF); | |
402 | tcg_gen_add_i32(dest, dest, tmp); | |
7d1b0095 | 403 | tcg_temp_free_i32(tmp); |
e9bb4aa9 JR |
404 | } |
405 | ||
3670669c PB |
406 | /* dest = T0 - T1 + CF - 1. */ |
407 | static void gen_sub_carry(TCGv dest, TCGv t0, TCGv t1) | |
408 | { | |
d9ba4830 | 409 | TCGv tmp; |
3670669c | 410 | tcg_gen_sub_i32(dest, t0, t1); |
d9ba4830 | 411 | tmp = load_cpu_field(CF); |
3670669c PB |
412 | tcg_gen_add_i32(dest, dest, tmp); |
413 | tcg_gen_subi_i32(dest, dest, 1); | |
7d1b0095 | 414 | tcg_temp_free_i32(tmp); |
3670669c PB |
415 | } |
416 | ||
ad69471c PB |
417 | /* FIXME: Implement this natively. */ |
418 | #define tcg_gen_abs_i32(t0, t1) gen_helper_abs(t0, t1) | |
419 | ||
9a119ff6 | 420 | static void shifter_out_im(TCGv var, int shift) |
b26eefb6 | 421 | { |
7d1b0095 | 422 | TCGv tmp = tcg_temp_new_i32(); |
9a119ff6 PB |
423 | if (shift == 0) { |
424 | tcg_gen_andi_i32(tmp, var, 1); | |
b26eefb6 | 425 | } else { |
9a119ff6 | 426 | tcg_gen_shri_i32(tmp, var, shift); |
4cc633c3 | 427 | if (shift != 31) |
9a119ff6 PB |
428 | tcg_gen_andi_i32(tmp, tmp, 1); |
429 | } | |
430 | gen_set_CF(tmp); | |
7d1b0095 | 431 | tcg_temp_free_i32(tmp); |
9a119ff6 | 432 | } |
b26eefb6 | 433 | |
9a119ff6 PB |
434 | /* Shift by immediate. Includes special handling for shift == 0. */ |
435 | static inline void gen_arm_shift_im(TCGv var, int shiftop, int shift, int flags) | |
436 | { | |
437 | switch (shiftop) { | |
438 | case 0: /* LSL */ | |
439 | if (shift != 0) { | |
440 | if (flags) | |
441 | shifter_out_im(var, 32 - shift); | |
442 | tcg_gen_shli_i32(var, var, shift); | |
443 | } | |
444 | break; | |
445 | case 1: /* LSR */ | |
446 | if (shift == 0) { | |
447 | if (flags) { | |
448 | tcg_gen_shri_i32(var, var, 31); | |
449 | gen_set_CF(var); | |
450 | } | |
451 | tcg_gen_movi_i32(var, 0); | |
452 | } else { | |
453 | if (flags) | |
454 | shifter_out_im(var, shift - 1); | |
455 | tcg_gen_shri_i32(var, var, shift); | |
456 | } | |
457 | break; | |
458 | case 2: /* ASR */ | |
459 | if (shift == 0) | |
460 | shift = 32; | |
461 | if (flags) | |
462 | shifter_out_im(var, shift - 1); | |
463 | if (shift == 32) | |
464 | shift = 31; | |
465 | tcg_gen_sari_i32(var, var, shift); | |
466 | break; | |
467 | case 3: /* ROR/RRX */ | |
468 | if (shift != 0) { | |
469 | if (flags) | |
470 | shifter_out_im(var, shift - 1); | |
f669df27 | 471 | tcg_gen_rotri_i32(var, var, shift); break; |
9a119ff6 | 472 | } else { |
d9ba4830 | 473 | TCGv tmp = load_cpu_field(CF); |
9a119ff6 PB |
474 | if (flags) |
475 | shifter_out_im(var, 0); | |
476 | tcg_gen_shri_i32(var, var, 1); | |
b26eefb6 PB |
477 | tcg_gen_shli_i32(tmp, tmp, 31); |
478 | tcg_gen_or_i32(var, var, tmp); | |
7d1b0095 | 479 | tcg_temp_free_i32(tmp); |
b26eefb6 PB |
480 | } |
481 | } | |
482 | }; | |
483 | ||
8984bd2e PB |
484 | static inline void gen_arm_shift_reg(TCGv var, int shiftop, |
485 | TCGv shift, int flags) | |
486 | { | |
487 | if (flags) { | |
488 | switch (shiftop) { | |
489 | case 0: gen_helper_shl_cc(var, var, shift); break; | |
490 | case 1: gen_helper_shr_cc(var, var, shift); break; | |
491 | case 2: gen_helper_sar_cc(var, var, shift); break; | |
492 | case 3: gen_helper_ror_cc(var, var, shift); break; | |
493 | } | |
494 | } else { | |
495 | switch (shiftop) { | |
496 | case 0: gen_helper_shl(var, var, shift); break; | |
497 | case 1: gen_helper_shr(var, var, shift); break; | |
498 | case 2: gen_helper_sar(var, var, shift); break; | |
f669df27 AJ |
499 | case 3: tcg_gen_andi_i32(shift, shift, 0x1f); |
500 | tcg_gen_rotr_i32(var, var, shift); break; | |
8984bd2e PB |
501 | } |
502 | } | |
7d1b0095 | 503 | tcg_temp_free_i32(shift); |
8984bd2e PB |
504 | } |
505 | ||
6ddbc6e4 PB |
506 | #define PAS_OP(pfx) \ |
507 | switch (op2) { \ | |
508 | case 0: gen_pas_helper(glue(pfx,add16)); break; \ | |
509 | case 1: gen_pas_helper(glue(pfx,addsubx)); break; \ | |
510 | case 2: gen_pas_helper(glue(pfx,subaddx)); break; \ | |
511 | case 3: gen_pas_helper(glue(pfx,sub16)); break; \ | |
512 | case 4: gen_pas_helper(glue(pfx,add8)); break; \ | |
513 | case 7: gen_pas_helper(glue(pfx,sub8)); break; \ | |
514 | } | |
d9ba4830 | 515 | static void gen_arm_parallel_addsub(int op1, int op2, TCGv a, TCGv b) |
6ddbc6e4 | 516 | { |
a7812ae4 | 517 | TCGv_ptr tmp; |
6ddbc6e4 PB |
518 | |
519 | switch (op1) { | |
520 | #define gen_pas_helper(name) glue(gen_helper_,name)(a, a, b, tmp) | |
521 | case 1: | |
a7812ae4 | 522 | tmp = tcg_temp_new_ptr(); |
6ddbc6e4 PB |
523 | tcg_gen_addi_ptr(tmp, cpu_env, offsetof(CPUState, GE)); |
524 | PAS_OP(s) | |
b75263d6 | 525 | tcg_temp_free_ptr(tmp); |
6ddbc6e4 PB |
526 | break; |
527 | case 5: | |
a7812ae4 | 528 | tmp = tcg_temp_new_ptr(); |
6ddbc6e4 PB |
529 | tcg_gen_addi_ptr(tmp, cpu_env, offsetof(CPUState, GE)); |
530 | PAS_OP(u) | |
b75263d6 | 531 | tcg_temp_free_ptr(tmp); |
6ddbc6e4 PB |
532 | break; |
533 | #undef gen_pas_helper | |
534 | #define gen_pas_helper(name) glue(gen_helper_,name)(a, a, b) | |
535 | case 2: | |
536 | PAS_OP(q); | |
537 | break; | |
538 | case 3: | |
539 | PAS_OP(sh); | |
540 | break; | |
541 | case 6: | |
542 | PAS_OP(uq); | |
543 | break; | |
544 | case 7: | |
545 | PAS_OP(uh); | |
546 | break; | |
547 | #undef gen_pas_helper | |
548 | } | |
549 | } | |
9ee6e8bb PB |
550 | #undef PAS_OP |
551 | ||
6ddbc6e4 PB |
552 | /* For unknown reasons Arm and Thumb-2 use arbitrarily different encodings. */ |
553 | #define PAS_OP(pfx) \ | |
ed89a2f1 | 554 | switch (op1) { \ |
6ddbc6e4 PB |
555 | case 0: gen_pas_helper(glue(pfx,add8)); break; \ |
556 | case 1: gen_pas_helper(glue(pfx,add16)); break; \ | |
557 | case 2: gen_pas_helper(glue(pfx,addsubx)); break; \ | |
558 | case 4: gen_pas_helper(glue(pfx,sub8)); break; \ | |
559 | case 5: gen_pas_helper(glue(pfx,sub16)); break; \ | |
560 | case 6: gen_pas_helper(glue(pfx,subaddx)); break; \ | |
561 | } | |
d9ba4830 | 562 | static void gen_thumb2_parallel_addsub(int op1, int op2, TCGv a, TCGv b) |
6ddbc6e4 | 563 | { |
a7812ae4 | 564 | TCGv_ptr tmp; |
6ddbc6e4 | 565 | |
ed89a2f1 | 566 | switch (op2) { |
6ddbc6e4 PB |
567 | #define gen_pas_helper(name) glue(gen_helper_,name)(a, a, b, tmp) |
568 | case 0: | |
a7812ae4 | 569 | tmp = tcg_temp_new_ptr(); |
6ddbc6e4 PB |
570 | tcg_gen_addi_ptr(tmp, cpu_env, offsetof(CPUState, GE)); |
571 | PAS_OP(s) | |
b75263d6 | 572 | tcg_temp_free_ptr(tmp); |
6ddbc6e4 PB |
573 | break; |
574 | case 4: | |
a7812ae4 | 575 | tmp = tcg_temp_new_ptr(); |
6ddbc6e4 PB |
576 | tcg_gen_addi_ptr(tmp, cpu_env, offsetof(CPUState, GE)); |
577 | PAS_OP(u) | |
b75263d6 | 578 | tcg_temp_free_ptr(tmp); |
6ddbc6e4 PB |
579 | break; |
580 | #undef gen_pas_helper | |
581 | #define gen_pas_helper(name) glue(gen_helper_,name)(a, a, b) | |
582 | case 1: | |
583 | PAS_OP(q); | |
584 | break; | |
585 | case 2: | |
586 | PAS_OP(sh); | |
587 | break; | |
588 | case 5: | |
589 | PAS_OP(uq); | |
590 | break; | |
591 | case 6: | |
592 | PAS_OP(uh); | |
593 | break; | |
594 | #undef gen_pas_helper | |
595 | } | |
596 | } | |
9ee6e8bb PB |
597 | #undef PAS_OP |
598 | ||
d9ba4830 PB |
599 | static void gen_test_cc(int cc, int label) |
600 | { | |
601 | TCGv tmp; | |
602 | TCGv tmp2; | |
d9ba4830 PB |
603 | int inv; |
604 | ||
d9ba4830 PB |
605 | switch (cc) { |
606 | case 0: /* eq: Z */ | |
6fbe23d5 | 607 | tmp = load_cpu_field(ZF); |
cb63669a | 608 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); |
d9ba4830 PB |
609 | break; |
610 | case 1: /* ne: !Z */ | |
6fbe23d5 | 611 | tmp = load_cpu_field(ZF); |
cb63669a | 612 | tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label); |
d9ba4830 PB |
613 | break; |
614 | case 2: /* cs: C */ | |
615 | tmp = load_cpu_field(CF); | |
cb63669a | 616 | tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label); |
d9ba4830 PB |
617 | break; |
618 | case 3: /* cc: !C */ | |
619 | tmp = load_cpu_field(CF); | |
cb63669a | 620 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); |
d9ba4830 PB |
621 | break; |
622 | case 4: /* mi: N */ | |
6fbe23d5 | 623 | tmp = load_cpu_field(NF); |
cb63669a | 624 | tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label); |
d9ba4830 PB |
625 | break; |
626 | case 5: /* pl: !N */ | |
6fbe23d5 | 627 | tmp = load_cpu_field(NF); |
cb63669a | 628 | tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label); |
d9ba4830 PB |
629 | break; |
630 | case 6: /* vs: V */ | |
631 | tmp = load_cpu_field(VF); | |
cb63669a | 632 | tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label); |
d9ba4830 PB |
633 | break; |
634 | case 7: /* vc: !V */ | |
635 | tmp = load_cpu_field(VF); | |
cb63669a | 636 | tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label); |
d9ba4830 PB |
637 | break; |
638 | case 8: /* hi: C && !Z */ | |
639 | inv = gen_new_label(); | |
640 | tmp = load_cpu_field(CF); | |
cb63669a | 641 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, inv); |
7d1b0095 | 642 | tcg_temp_free_i32(tmp); |
6fbe23d5 | 643 | tmp = load_cpu_field(ZF); |
cb63669a | 644 | tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label); |
d9ba4830 PB |
645 | gen_set_label(inv); |
646 | break; | |
647 | case 9: /* ls: !C || Z */ | |
648 | tmp = load_cpu_field(CF); | |
cb63669a | 649 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); |
7d1b0095 | 650 | tcg_temp_free_i32(tmp); |
6fbe23d5 | 651 | tmp = load_cpu_field(ZF); |
cb63669a | 652 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); |
d9ba4830 PB |
653 | break; |
654 | case 10: /* ge: N == V -> N ^ V == 0 */ | |
655 | tmp = load_cpu_field(VF); | |
6fbe23d5 | 656 | tmp2 = load_cpu_field(NF); |
d9ba4830 | 657 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
7d1b0095 | 658 | tcg_temp_free_i32(tmp2); |
cb63669a | 659 | tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label); |
d9ba4830 PB |
660 | break; |
661 | case 11: /* lt: N != V -> N ^ V != 0 */ | |
662 | tmp = load_cpu_field(VF); | |
6fbe23d5 | 663 | tmp2 = load_cpu_field(NF); |
d9ba4830 | 664 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
7d1b0095 | 665 | tcg_temp_free_i32(tmp2); |
cb63669a | 666 | tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label); |
d9ba4830 PB |
667 | break; |
668 | case 12: /* gt: !Z && N == V */ | |
669 | inv = gen_new_label(); | |
6fbe23d5 | 670 | tmp = load_cpu_field(ZF); |
cb63669a | 671 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, inv); |
7d1b0095 | 672 | tcg_temp_free_i32(tmp); |
d9ba4830 | 673 | tmp = load_cpu_field(VF); |
6fbe23d5 | 674 | tmp2 = load_cpu_field(NF); |
d9ba4830 | 675 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
7d1b0095 | 676 | tcg_temp_free_i32(tmp2); |
cb63669a | 677 | tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label); |
d9ba4830 PB |
678 | gen_set_label(inv); |
679 | break; | |
680 | case 13: /* le: Z || N != V */ | |
6fbe23d5 | 681 | tmp = load_cpu_field(ZF); |
cb63669a | 682 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); |
7d1b0095 | 683 | tcg_temp_free_i32(tmp); |
d9ba4830 | 684 | tmp = load_cpu_field(VF); |
6fbe23d5 | 685 | tmp2 = load_cpu_field(NF); |
d9ba4830 | 686 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
7d1b0095 | 687 | tcg_temp_free_i32(tmp2); |
cb63669a | 688 | tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label); |
d9ba4830 PB |
689 | break; |
690 | default: | |
691 | fprintf(stderr, "Bad condition code 0x%x\n", cc); | |
692 | abort(); | |
693 | } | |
7d1b0095 | 694 | tcg_temp_free_i32(tmp); |
d9ba4830 | 695 | } |
2c0262af | 696 | |
b1d8e52e | 697 | static const uint8_t table_logic_cc[16] = { |
2c0262af FB |
698 | 1, /* and */ |
699 | 1, /* xor */ | |
700 | 0, /* sub */ | |
701 | 0, /* rsb */ | |
702 | 0, /* add */ | |
703 | 0, /* adc */ | |
704 | 0, /* sbc */ | |
705 | 0, /* rsc */ | |
706 | 1, /* andl */ | |
707 | 1, /* xorl */ | |
708 | 0, /* cmp */ | |
709 | 0, /* cmn */ | |
710 | 1, /* orr */ | |
711 | 1, /* mov */ | |
712 | 1, /* bic */ | |
713 | 1, /* mvn */ | |
714 | }; | |
3b46e624 | 715 | |
d9ba4830 PB |
716 | /* Set PC and Thumb state from an immediate address. */ |
717 | static inline void gen_bx_im(DisasContext *s, uint32_t addr) | |
99c475ab | 718 | { |
b26eefb6 | 719 | TCGv tmp; |
99c475ab | 720 | |
b26eefb6 | 721 | s->is_jmp = DISAS_UPDATE; |
d9ba4830 | 722 | if (s->thumb != (addr & 1)) { |
7d1b0095 | 723 | tmp = tcg_temp_new_i32(); |
d9ba4830 PB |
724 | tcg_gen_movi_i32(tmp, addr & 1); |
725 | tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUState, thumb)); | |
7d1b0095 | 726 | tcg_temp_free_i32(tmp); |
d9ba4830 | 727 | } |
155c3eac | 728 | tcg_gen_movi_i32(cpu_R[15], addr & ~1); |
d9ba4830 PB |
729 | } |
730 | ||
731 | /* Set PC and Thumb state from var. var is marked as dead. */ | |
732 | static inline void gen_bx(DisasContext *s, TCGv var) | |
733 | { | |
d9ba4830 | 734 | s->is_jmp = DISAS_UPDATE; |
155c3eac FN |
735 | tcg_gen_andi_i32(cpu_R[15], var, ~1); |
736 | tcg_gen_andi_i32(var, var, 1); | |
737 | store_cpu_field(var, thumb); | |
d9ba4830 PB |
738 | } |
739 | ||
21aeb343 JR |
740 | /* Variant of store_reg which uses branch&exchange logic when storing |
741 | to r15 in ARM architecture v7 and above. The source must be a temporary | |
742 | and will be marked as dead. */ | |
743 | static inline void store_reg_bx(CPUState *env, DisasContext *s, | |
744 | int reg, TCGv var) | |
745 | { | |
746 | if (reg == 15 && ENABLE_ARCH_7) { | |
747 | gen_bx(s, var); | |
748 | } else { | |
749 | store_reg(s, reg, var); | |
750 | } | |
751 | } | |
752 | ||
b0109805 PB |
753 | static inline TCGv gen_ld8s(TCGv addr, int index) |
754 | { | |
7d1b0095 | 755 | TCGv tmp = tcg_temp_new_i32(); |
b0109805 PB |
756 | tcg_gen_qemu_ld8s(tmp, addr, index); |
757 | return tmp; | |
758 | } | |
759 | static inline TCGv gen_ld8u(TCGv addr, int index) | |
760 | { | |
7d1b0095 | 761 | TCGv tmp = tcg_temp_new_i32(); |
b0109805 PB |
762 | tcg_gen_qemu_ld8u(tmp, addr, index); |
763 | return tmp; | |
764 | } | |
765 | static inline TCGv gen_ld16s(TCGv addr, int index) | |
766 | { | |
7d1b0095 | 767 | TCGv tmp = tcg_temp_new_i32(); |
b0109805 PB |
768 | tcg_gen_qemu_ld16s(tmp, addr, index); |
769 | return tmp; | |
770 | } | |
771 | static inline TCGv gen_ld16u(TCGv addr, int index) | |
772 | { | |
7d1b0095 | 773 | TCGv tmp = tcg_temp_new_i32(); |
b0109805 PB |
774 | tcg_gen_qemu_ld16u(tmp, addr, index); |
775 | return tmp; | |
776 | } | |
777 | static inline TCGv gen_ld32(TCGv addr, int index) | |
778 | { | |
7d1b0095 | 779 | TCGv tmp = tcg_temp_new_i32(); |
b0109805 PB |
780 | tcg_gen_qemu_ld32u(tmp, addr, index); |
781 | return tmp; | |
782 | } | |
84496233 JR |
783 | static inline TCGv_i64 gen_ld64(TCGv addr, int index) |
784 | { | |
785 | TCGv_i64 tmp = tcg_temp_new_i64(); | |
786 | tcg_gen_qemu_ld64(tmp, addr, index); | |
787 | return tmp; | |
788 | } | |
b0109805 PB |
789 | static inline void gen_st8(TCGv val, TCGv addr, int index) |
790 | { | |
791 | tcg_gen_qemu_st8(val, addr, index); | |
7d1b0095 | 792 | tcg_temp_free_i32(val); |
b0109805 PB |
793 | } |
794 | static inline void gen_st16(TCGv val, TCGv addr, int index) | |
795 | { | |
796 | tcg_gen_qemu_st16(val, addr, index); | |
7d1b0095 | 797 | tcg_temp_free_i32(val); |
b0109805 PB |
798 | } |
799 | static inline void gen_st32(TCGv val, TCGv addr, int index) | |
800 | { | |
801 | tcg_gen_qemu_st32(val, addr, index); | |
7d1b0095 | 802 | tcg_temp_free_i32(val); |
b0109805 | 803 | } |
84496233 JR |
804 | static inline void gen_st64(TCGv_i64 val, TCGv addr, int index) |
805 | { | |
806 | tcg_gen_qemu_st64(val, addr, index); | |
807 | tcg_temp_free_i64(val); | |
808 | } | |
b5ff1b31 | 809 | |
5e3f878a PB |
810 | static inline void gen_set_pc_im(uint32_t val) |
811 | { | |
155c3eac | 812 | tcg_gen_movi_i32(cpu_R[15], val); |
5e3f878a PB |
813 | } |
814 | ||
b5ff1b31 FB |
815 | /* Force a TB lookup after an instruction that changes the CPU state. */ |
816 | static inline void gen_lookup_tb(DisasContext *s) | |
817 | { | |
a6445c52 | 818 | tcg_gen_movi_i32(cpu_R[15], s->pc & ~1); |
b5ff1b31 FB |
819 | s->is_jmp = DISAS_UPDATE; |
820 | } | |
821 | ||
b0109805 PB |
822 | static inline void gen_add_data_offset(DisasContext *s, unsigned int insn, |
823 | TCGv var) | |
2c0262af | 824 | { |
1e8d4eec | 825 | int val, rm, shift, shiftop; |
b26eefb6 | 826 | TCGv offset; |
2c0262af FB |
827 | |
828 | if (!(insn & (1 << 25))) { | |
829 | /* immediate */ | |
830 | val = insn & 0xfff; | |
831 | if (!(insn & (1 << 23))) | |
832 | val = -val; | |
537730b9 | 833 | if (val != 0) |
b0109805 | 834 | tcg_gen_addi_i32(var, var, val); |
2c0262af FB |
835 | } else { |
836 | /* shift/register */ | |
837 | rm = (insn) & 0xf; | |
838 | shift = (insn >> 7) & 0x1f; | |
1e8d4eec | 839 | shiftop = (insn >> 5) & 3; |
b26eefb6 | 840 | offset = load_reg(s, rm); |
9a119ff6 | 841 | gen_arm_shift_im(offset, shiftop, shift, 0); |
2c0262af | 842 | if (!(insn & (1 << 23))) |
b0109805 | 843 | tcg_gen_sub_i32(var, var, offset); |
2c0262af | 844 | else |
b0109805 | 845 | tcg_gen_add_i32(var, var, offset); |
7d1b0095 | 846 | tcg_temp_free_i32(offset); |
2c0262af FB |
847 | } |
848 | } | |
849 | ||
191f9a93 | 850 | static inline void gen_add_datah_offset(DisasContext *s, unsigned int insn, |
b0109805 | 851 | int extra, TCGv var) |
2c0262af FB |
852 | { |
853 | int val, rm; | |
b26eefb6 | 854 | TCGv offset; |
3b46e624 | 855 | |
2c0262af FB |
856 | if (insn & (1 << 22)) { |
857 | /* immediate */ | |
858 | val = (insn & 0xf) | ((insn >> 4) & 0xf0); | |
859 | if (!(insn & (1 << 23))) | |
860 | val = -val; | |
18acad92 | 861 | val += extra; |
537730b9 | 862 | if (val != 0) |
b0109805 | 863 | tcg_gen_addi_i32(var, var, val); |
2c0262af FB |
864 | } else { |
865 | /* register */ | |
191f9a93 | 866 | if (extra) |
b0109805 | 867 | tcg_gen_addi_i32(var, var, extra); |
2c0262af | 868 | rm = (insn) & 0xf; |
b26eefb6 | 869 | offset = load_reg(s, rm); |
2c0262af | 870 | if (!(insn & (1 << 23))) |
b0109805 | 871 | tcg_gen_sub_i32(var, var, offset); |
2c0262af | 872 | else |
b0109805 | 873 | tcg_gen_add_i32(var, var, offset); |
7d1b0095 | 874 | tcg_temp_free_i32(offset); |
2c0262af FB |
875 | } |
876 | } | |
877 | ||
4373f3ce PB |
878 | #define VFP_OP2(name) \ |
879 | static inline void gen_vfp_##name(int dp) \ | |
880 | { \ | |
881 | if (dp) \ | |
882 | gen_helper_vfp_##name##d(cpu_F0d, cpu_F0d, cpu_F1d, cpu_env); \ | |
883 | else \ | |
884 | gen_helper_vfp_##name##s(cpu_F0s, cpu_F0s, cpu_F1s, cpu_env); \ | |
b7bcbe95 FB |
885 | } |
886 | ||
4373f3ce PB |
887 | VFP_OP2(add) |
888 | VFP_OP2(sub) | |
889 | VFP_OP2(mul) | |
890 | VFP_OP2(div) | |
891 | ||
892 | #undef VFP_OP2 | |
893 | ||
894 | static inline void gen_vfp_abs(int dp) | |
895 | { | |
896 | if (dp) | |
897 | gen_helper_vfp_absd(cpu_F0d, cpu_F0d); | |
898 | else | |
899 | gen_helper_vfp_abss(cpu_F0s, cpu_F0s); | |
900 | } | |
901 | ||
902 | static inline void gen_vfp_neg(int dp) | |
903 | { | |
904 | if (dp) | |
905 | gen_helper_vfp_negd(cpu_F0d, cpu_F0d); | |
906 | else | |
907 | gen_helper_vfp_negs(cpu_F0s, cpu_F0s); | |
908 | } | |
909 | ||
910 | static inline void gen_vfp_sqrt(int dp) | |
911 | { | |
912 | if (dp) | |
913 | gen_helper_vfp_sqrtd(cpu_F0d, cpu_F0d, cpu_env); | |
914 | else | |
915 | gen_helper_vfp_sqrts(cpu_F0s, cpu_F0s, cpu_env); | |
916 | } | |
917 | ||
918 | static inline void gen_vfp_cmp(int dp) | |
919 | { | |
920 | if (dp) | |
921 | gen_helper_vfp_cmpd(cpu_F0d, cpu_F1d, cpu_env); | |
922 | else | |
923 | gen_helper_vfp_cmps(cpu_F0s, cpu_F1s, cpu_env); | |
924 | } | |
925 | ||
926 | static inline void gen_vfp_cmpe(int dp) | |
927 | { | |
928 | if (dp) | |
929 | gen_helper_vfp_cmped(cpu_F0d, cpu_F1d, cpu_env); | |
930 | else | |
931 | gen_helper_vfp_cmpes(cpu_F0s, cpu_F1s, cpu_env); | |
932 | } | |
933 | ||
934 | static inline void gen_vfp_F1_ld0(int dp) | |
935 | { | |
936 | if (dp) | |
5b340b51 | 937 | tcg_gen_movi_i64(cpu_F1d, 0); |
4373f3ce | 938 | else |
5b340b51 | 939 | tcg_gen_movi_i32(cpu_F1s, 0); |
4373f3ce PB |
940 | } |
941 | ||
942 | static inline void gen_vfp_uito(int dp) | |
943 | { | |
944 | if (dp) | |
945 | gen_helper_vfp_uitod(cpu_F0d, cpu_F0s, cpu_env); | |
946 | else | |
947 | gen_helper_vfp_uitos(cpu_F0s, cpu_F0s, cpu_env); | |
948 | } | |
949 | ||
950 | static inline void gen_vfp_sito(int dp) | |
951 | { | |
952 | if (dp) | |
66230e0d | 953 | gen_helper_vfp_sitod(cpu_F0d, cpu_F0s, cpu_env); |
4373f3ce | 954 | else |
66230e0d | 955 | gen_helper_vfp_sitos(cpu_F0s, cpu_F0s, cpu_env); |
4373f3ce PB |
956 | } |
957 | ||
958 | static inline void gen_vfp_toui(int dp) | |
959 | { | |
960 | if (dp) | |
961 | gen_helper_vfp_touid(cpu_F0s, cpu_F0d, cpu_env); | |
962 | else | |
963 | gen_helper_vfp_touis(cpu_F0s, cpu_F0s, cpu_env); | |
964 | } | |
965 | ||
966 | static inline void gen_vfp_touiz(int dp) | |
967 | { | |
968 | if (dp) | |
969 | gen_helper_vfp_touizd(cpu_F0s, cpu_F0d, cpu_env); | |
970 | else | |
971 | gen_helper_vfp_touizs(cpu_F0s, cpu_F0s, cpu_env); | |
972 | } | |
973 | ||
974 | static inline void gen_vfp_tosi(int dp) | |
975 | { | |
976 | if (dp) | |
977 | gen_helper_vfp_tosid(cpu_F0s, cpu_F0d, cpu_env); | |
978 | else | |
979 | gen_helper_vfp_tosis(cpu_F0s, cpu_F0s, cpu_env); | |
980 | } | |
981 | ||
982 | static inline void gen_vfp_tosiz(int dp) | |
9ee6e8bb PB |
983 | { |
984 | if (dp) | |
4373f3ce | 985 | gen_helper_vfp_tosizd(cpu_F0s, cpu_F0d, cpu_env); |
9ee6e8bb | 986 | else |
4373f3ce PB |
987 | gen_helper_vfp_tosizs(cpu_F0s, cpu_F0s, cpu_env); |
988 | } | |
989 | ||
990 | #define VFP_GEN_FIX(name) \ | |
991 | static inline void gen_vfp_##name(int dp, int shift) \ | |
992 | { \ | |
b75263d6 | 993 | TCGv tmp_shift = tcg_const_i32(shift); \ |
4373f3ce | 994 | if (dp) \ |
b75263d6 | 995 | gen_helper_vfp_##name##d(cpu_F0d, cpu_F0d, tmp_shift, cpu_env);\ |
4373f3ce | 996 | else \ |
b75263d6 JR |
997 | gen_helper_vfp_##name##s(cpu_F0s, cpu_F0s, tmp_shift, cpu_env);\ |
998 | tcg_temp_free_i32(tmp_shift); \ | |
9ee6e8bb | 999 | } |
4373f3ce PB |
1000 | VFP_GEN_FIX(tosh) |
1001 | VFP_GEN_FIX(tosl) | |
1002 | VFP_GEN_FIX(touh) | |
1003 | VFP_GEN_FIX(toul) | |
1004 | VFP_GEN_FIX(shto) | |
1005 | VFP_GEN_FIX(slto) | |
1006 | VFP_GEN_FIX(uhto) | |
1007 | VFP_GEN_FIX(ulto) | |
1008 | #undef VFP_GEN_FIX | |
9ee6e8bb | 1009 | |
312eea9f | 1010 | static inline void gen_vfp_ld(DisasContext *s, int dp, TCGv addr) |
b5ff1b31 FB |
1011 | { |
1012 | if (dp) | |
312eea9f | 1013 | tcg_gen_qemu_ld64(cpu_F0d, addr, IS_USER(s)); |
b5ff1b31 | 1014 | else |
312eea9f | 1015 | tcg_gen_qemu_ld32u(cpu_F0s, addr, IS_USER(s)); |
b5ff1b31 FB |
1016 | } |
1017 | ||
312eea9f | 1018 | static inline void gen_vfp_st(DisasContext *s, int dp, TCGv addr) |
b5ff1b31 FB |
1019 | { |
1020 | if (dp) | |
312eea9f | 1021 | tcg_gen_qemu_st64(cpu_F0d, addr, IS_USER(s)); |
b5ff1b31 | 1022 | else |
312eea9f | 1023 | tcg_gen_qemu_st32(cpu_F0s, addr, IS_USER(s)); |
b5ff1b31 FB |
1024 | } |
1025 | ||
8e96005d FB |
1026 | static inline long |
1027 | vfp_reg_offset (int dp, int reg) | |
1028 | { | |
1029 | if (dp) | |
1030 | return offsetof(CPUARMState, vfp.regs[reg]); | |
1031 | else if (reg & 1) { | |
1032 | return offsetof(CPUARMState, vfp.regs[reg >> 1]) | |
1033 | + offsetof(CPU_DoubleU, l.upper); | |
1034 | } else { | |
1035 | return offsetof(CPUARMState, vfp.regs[reg >> 1]) | |
1036 | + offsetof(CPU_DoubleU, l.lower); | |
1037 | } | |
1038 | } | |
9ee6e8bb PB |
1039 | |
1040 | /* Return the offset of a 32-bit piece of a NEON register. | |
1041 | zero is the least significant end of the register. */ | |
1042 | static inline long | |
1043 | neon_reg_offset (int reg, int n) | |
1044 | { | |
1045 | int sreg; | |
1046 | sreg = reg * 2 + n; | |
1047 | return vfp_reg_offset(0, sreg); | |
1048 | } | |
1049 | ||
8f8e3aa4 PB |
1050 | static TCGv neon_load_reg(int reg, int pass) |
1051 | { | |
7d1b0095 | 1052 | TCGv tmp = tcg_temp_new_i32(); |
8f8e3aa4 PB |
1053 | tcg_gen_ld_i32(tmp, cpu_env, neon_reg_offset(reg, pass)); |
1054 | return tmp; | |
1055 | } | |
1056 | ||
1057 | static void neon_store_reg(int reg, int pass, TCGv var) | |
1058 | { | |
1059 | tcg_gen_st_i32(var, cpu_env, neon_reg_offset(reg, pass)); | |
7d1b0095 | 1060 | tcg_temp_free_i32(var); |
8f8e3aa4 PB |
1061 | } |
1062 | ||
a7812ae4 | 1063 | static inline void neon_load_reg64(TCGv_i64 var, int reg) |
ad69471c PB |
1064 | { |
1065 | tcg_gen_ld_i64(var, cpu_env, vfp_reg_offset(1, reg)); | |
1066 | } | |
1067 | ||
a7812ae4 | 1068 | static inline void neon_store_reg64(TCGv_i64 var, int reg) |
ad69471c PB |
1069 | { |
1070 | tcg_gen_st_i64(var, cpu_env, vfp_reg_offset(1, reg)); | |
1071 | } | |
1072 | ||
4373f3ce PB |
1073 | #define tcg_gen_ld_f32 tcg_gen_ld_i32 |
1074 | #define tcg_gen_ld_f64 tcg_gen_ld_i64 | |
1075 | #define tcg_gen_st_f32 tcg_gen_st_i32 | |
1076 | #define tcg_gen_st_f64 tcg_gen_st_i64 | |
1077 | ||
b7bcbe95 FB |
1078 | static inline void gen_mov_F0_vreg(int dp, int reg) |
1079 | { | |
1080 | if (dp) | |
4373f3ce | 1081 | tcg_gen_ld_f64(cpu_F0d, cpu_env, vfp_reg_offset(dp, reg)); |
b7bcbe95 | 1082 | else |
4373f3ce | 1083 | tcg_gen_ld_f32(cpu_F0s, cpu_env, vfp_reg_offset(dp, reg)); |
b7bcbe95 FB |
1084 | } |
1085 | ||
1086 | static inline void gen_mov_F1_vreg(int dp, int reg) | |
1087 | { | |
1088 | if (dp) | |
4373f3ce | 1089 | tcg_gen_ld_f64(cpu_F1d, cpu_env, vfp_reg_offset(dp, reg)); |
b7bcbe95 | 1090 | else |
4373f3ce | 1091 | tcg_gen_ld_f32(cpu_F1s, cpu_env, vfp_reg_offset(dp, reg)); |
b7bcbe95 FB |
1092 | } |
1093 | ||
1094 | static inline void gen_mov_vreg_F0(int dp, int reg) | |
1095 | { | |
1096 | if (dp) | |
4373f3ce | 1097 | tcg_gen_st_f64(cpu_F0d, cpu_env, vfp_reg_offset(dp, reg)); |
b7bcbe95 | 1098 | else |
4373f3ce | 1099 | tcg_gen_st_f32(cpu_F0s, cpu_env, vfp_reg_offset(dp, reg)); |
b7bcbe95 FB |
1100 | } |
1101 | ||
18c9b560 AZ |
1102 | #define ARM_CP_RW_BIT (1 << 20) |
1103 | ||
a7812ae4 | 1104 | static inline void iwmmxt_load_reg(TCGv_i64 var, int reg) |
e677137d PB |
1105 | { |
1106 | tcg_gen_ld_i64(var, cpu_env, offsetof(CPUState, iwmmxt.regs[reg])); | |
1107 | } | |
1108 | ||
a7812ae4 | 1109 | static inline void iwmmxt_store_reg(TCGv_i64 var, int reg) |
e677137d PB |
1110 | { |
1111 | tcg_gen_st_i64(var, cpu_env, offsetof(CPUState, iwmmxt.regs[reg])); | |
1112 | } | |
1113 | ||
da6b5335 | 1114 | static inline TCGv iwmmxt_load_creg(int reg) |
e677137d | 1115 | { |
7d1b0095 | 1116 | TCGv var = tcg_temp_new_i32(); |
da6b5335 FN |
1117 | tcg_gen_ld_i32(var, cpu_env, offsetof(CPUState, iwmmxt.cregs[reg])); |
1118 | return var; | |
e677137d PB |
1119 | } |
1120 | ||
da6b5335 | 1121 | static inline void iwmmxt_store_creg(int reg, TCGv var) |
e677137d | 1122 | { |
da6b5335 | 1123 | tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, iwmmxt.cregs[reg])); |
7d1b0095 | 1124 | tcg_temp_free_i32(var); |
e677137d PB |
1125 | } |
1126 | ||
1127 | static inline void gen_op_iwmmxt_movq_wRn_M0(int rn) | |
1128 | { | |
1129 | iwmmxt_store_reg(cpu_M0, rn); | |
1130 | } | |
1131 | ||
1132 | static inline void gen_op_iwmmxt_movq_M0_wRn(int rn) | |
1133 | { | |
1134 | iwmmxt_load_reg(cpu_M0, rn); | |
1135 | } | |
1136 | ||
1137 | static inline void gen_op_iwmmxt_orq_M0_wRn(int rn) | |
1138 | { | |
1139 | iwmmxt_load_reg(cpu_V1, rn); | |
1140 | tcg_gen_or_i64(cpu_M0, cpu_M0, cpu_V1); | |
1141 | } | |
1142 | ||
1143 | static inline void gen_op_iwmmxt_andq_M0_wRn(int rn) | |
1144 | { | |
1145 | iwmmxt_load_reg(cpu_V1, rn); | |
1146 | tcg_gen_and_i64(cpu_M0, cpu_M0, cpu_V1); | |
1147 | } | |
1148 | ||
1149 | static inline void gen_op_iwmmxt_xorq_M0_wRn(int rn) | |
1150 | { | |
1151 | iwmmxt_load_reg(cpu_V1, rn); | |
1152 | tcg_gen_xor_i64(cpu_M0, cpu_M0, cpu_V1); | |
1153 | } | |
1154 | ||
1155 | #define IWMMXT_OP(name) \ | |
1156 | static inline void gen_op_iwmmxt_##name##_M0_wRn(int rn) \ | |
1157 | { \ | |
1158 | iwmmxt_load_reg(cpu_V1, rn); \ | |
1159 | gen_helper_iwmmxt_##name(cpu_M0, cpu_M0, cpu_V1); \ | |
1160 | } | |
1161 | ||
947a2fa2 PM |
1162 | #define IWMMXT_OP_SIZE(name) \ |
1163 | IWMMXT_OP(name##b) \ | |
1164 | IWMMXT_OP(name##w) \ | |
1165 | IWMMXT_OP(name##l) | |
e677137d | 1166 | |
947a2fa2 | 1167 | #define IWMMXT_OP_1(name) \ |
e677137d PB |
1168 | static inline void gen_op_iwmmxt_##name##_M0(void) \ |
1169 | { \ | |
947a2fa2 | 1170 | gen_helper_iwmmxt_##name(cpu_M0, cpu_M0); \ |
e677137d PB |
1171 | } |
1172 | ||
1173 | IWMMXT_OP(maddsq) | |
1174 | IWMMXT_OP(madduq) | |
1175 | IWMMXT_OP(sadb) | |
1176 | IWMMXT_OP(sadw) | |
1177 | IWMMXT_OP(mulslw) | |
1178 | IWMMXT_OP(mulshw) | |
1179 | IWMMXT_OP(mululw) | |
1180 | IWMMXT_OP(muluhw) | |
1181 | IWMMXT_OP(macsw) | |
1182 | IWMMXT_OP(macuw) | |
1183 | ||
947a2fa2 PM |
1184 | IWMMXT_OP_SIZE(unpackl) |
1185 | IWMMXT_OP_SIZE(unpackh) | |
1186 | ||
1187 | IWMMXT_OP_1(unpacklub) | |
1188 | IWMMXT_OP_1(unpackluw) | |
1189 | IWMMXT_OP_1(unpacklul) | |
1190 | IWMMXT_OP_1(unpackhub) | |
1191 | IWMMXT_OP_1(unpackhuw) | |
1192 | IWMMXT_OP_1(unpackhul) | |
1193 | IWMMXT_OP_1(unpacklsb) | |
1194 | IWMMXT_OP_1(unpacklsw) | |
1195 | IWMMXT_OP_1(unpacklsl) | |
1196 | IWMMXT_OP_1(unpackhsb) | |
1197 | IWMMXT_OP_1(unpackhsw) | |
1198 | IWMMXT_OP_1(unpackhsl) | |
1199 | ||
1200 | IWMMXT_OP_SIZE(cmpeq) | |
1201 | IWMMXT_OP_SIZE(cmpgtu) | |
1202 | IWMMXT_OP_SIZE(cmpgts) | |
1203 | ||
1204 | IWMMXT_OP_SIZE(mins) | |
1205 | IWMMXT_OP_SIZE(minu) | |
1206 | IWMMXT_OP_SIZE(maxs) | |
1207 | IWMMXT_OP_SIZE(maxu) | |
1208 | ||
1209 | IWMMXT_OP_SIZE(subn) | |
1210 | IWMMXT_OP_SIZE(addn) | |
1211 | IWMMXT_OP_SIZE(subu) | |
1212 | IWMMXT_OP_SIZE(addu) | |
1213 | IWMMXT_OP_SIZE(subs) | |
1214 | IWMMXT_OP_SIZE(adds) | |
1215 | ||
1216 | IWMMXT_OP(avgb0) | |
1217 | IWMMXT_OP(avgb1) | |
1218 | IWMMXT_OP(avgw0) | |
1219 | IWMMXT_OP(avgw1) | |
e677137d PB |
1220 | |
1221 | IWMMXT_OP(msadb) | |
1222 | ||
947a2fa2 PM |
1223 | IWMMXT_OP(packuw) |
1224 | IWMMXT_OP(packul) | |
1225 | IWMMXT_OP(packuq) | |
1226 | IWMMXT_OP(packsw) | |
1227 | IWMMXT_OP(packsl) | |
1228 | IWMMXT_OP(packsq) | |
e677137d | 1229 | |
e677137d PB |
1230 | static void gen_op_iwmmxt_set_mup(void) |
1231 | { | |
1232 | TCGv tmp; | |
1233 | tmp = load_cpu_field(iwmmxt.cregs[ARM_IWMMXT_wCon]); | |
1234 | tcg_gen_ori_i32(tmp, tmp, 2); | |
1235 | store_cpu_field(tmp, iwmmxt.cregs[ARM_IWMMXT_wCon]); | |
1236 | } | |
1237 | ||
1238 | static void gen_op_iwmmxt_set_cup(void) | |
1239 | { | |
1240 | TCGv tmp; | |
1241 | tmp = load_cpu_field(iwmmxt.cregs[ARM_IWMMXT_wCon]); | |
1242 | tcg_gen_ori_i32(tmp, tmp, 1); | |
1243 | store_cpu_field(tmp, iwmmxt.cregs[ARM_IWMMXT_wCon]); | |
1244 | } | |
1245 | ||
1246 | static void gen_op_iwmmxt_setpsr_nz(void) | |
1247 | { | |
7d1b0095 | 1248 | TCGv tmp = tcg_temp_new_i32(); |
e677137d PB |
1249 | gen_helper_iwmmxt_setpsr_nz(tmp, cpu_M0); |
1250 | store_cpu_field(tmp, iwmmxt.cregs[ARM_IWMMXT_wCASF]); | |
1251 | } | |
1252 | ||
1253 | static inline void gen_op_iwmmxt_addl_M0_wRn(int rn) | |
1254 | { | |
1255 | iwmmxt_load_reg(cpu_V1, rn); | |
86831435 | 1256 | tcg_gen_ext32u_i64(cpu_V1, cpu_V1); |
e677137d PB |
1257 | tcg_gen_add_i64(cpu_M0, cpu_M0, cpu_V1); |
1258 | } | |
1259 | ||
da6b5335 | 1260 | static inline int gen_iwmmxt_address(DisasContext *s, uint32_t insn, TCGv dest) |
18c9b560 AZ |
1261 | { |
1262 | int rd; | |
1263 | uint32_t offset; | |
da6b5335 | 1264 | TCGv tmp; |
18c9b560 AZ |
1265 | |
1266 | rd = (insn >> 16) & 0xf; | |
da6b5335 | 1267 | tmp = load_reg(s, rd); |
18c9b560 AZ |
1268 | |
1269 | offset = (insn & 0xff) << ((insn >> 7) & 2); | |
1270 | if (insn & (1 << 24)) { | |
1271 | /* Pre indexed */ | |
1272 | if (insn & (1 << 23)) | |
da6b5335 | 1273 | tcg_gen_addi_i32(tmp, tmp, offset); |
18c9b560 | 1274 | else |
da6b5335 FN |
1275 | tcg_gen_addi_i32(tmp, tmp, -offset); |
1276 | tcg_gen_mov_i32(dest, tmp); | |
18c9b560 | 1277 | if (insn & (1 << 21)) |
da6b5335 FN |
1278 | store_reg(s, rd, tmp); |
1279 | else | |
7d1b0095 | 1280 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
1281 | } else if (insn & (1 << 21)) { |
1282 | /* Post indexed */ | |
da6b5335 | 1283 | tcg_gen_mov_i32(dest, tmp); |
18c9b560 | 1284 | if (insn & (1 << 23)) |
da6b5335 | 1285 | tcg_gen_addi_i32(tmp, tmp, offset); |
18c9b560 | 1286 | else |
da6b5335 FN |
1287 | tcg_gen_addi_i32(tmp, tmp, -offset); |
1288 | store_reg(s, rd, tmp); | |
18c9b560 AZ |
1289 | } else if (!(insn & (1 << 23))) |
1290 | return 1; | |
1291 | return 0; | |
1292 | } | |
1293 | ||
da6b5335 | 1294 | static inline int gen_iwmmxt_shift(uint32_t insn, uint32_t mask, TCGv dest) |
18c9b560 AZ |
1295 | { |
1296 | int rd = (insn >> 0) & 0xf; | |
da6b5335 | 1297 | TCGv tmp; |
18c9b560 | 1298 | |
da6b5335 FN |
1299 | if (insn & (1 << 8)) { |
1300 | if (rd < ARM_IWMMXT_wCGR0 || rd > ARM_IWMMXT_wCGR3) { | |
18c9b560 | 1301 | return 1; |
da6b5335 FN |
1302 | } else { |
1303 | tmp = iwmmxt_load_creg(rd); | |
1304 | } | |
1305 | } else { | |
7d1b0095 | 1306 | tmp = tcg_temp_new_i32(); |
da6b5335 FN |
1307 | iwmmxt_load_reg(cpu_V0, rd); |
1308 | tcg_gen_trunc_i64_i32(tmp, cpu_V0); | |
1309 | } | |
1310 | tcg_gen_andi_i32(tmp, tmp, mask); | |
1311 | tcg_gen_mov_i32(dest, tmp); | |
7d1b0095 | 1312 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
1313 | return 0; |
1314 | } | |
1315 | ||
1316 | /* Disassemble an iwMMXt instruction. Returns nonzero if an error occured | |
1317 | (ie. an undefined instruction). */ | |
1318 | static int disas_iwmmxt_insn(CPUState *env, DisasContext *s, uint32_t insn) | |
1319 | { | |
1320 | int rd, wrd; | |
1321 | int rdhi, rdlo, rd0, rd1, i; | |
da6b5335 FN |
1322 | TCGv addr; |
1323 | TCGv tmp, tmp2, tmp3; | |
18c9b560 AZ |
1324 | |
1325 | if ((insn & 0x0e000e00) == 0x0c000000) { | |
1326 | if ((insn & 0x0fe00ff0) == 0x0c400000) { | |
1327 | wrd = insn & 0xf; | |
1328 | rdlo = (insn >> 12) & 0xf; | |
1329 | rdhi = (insn >> 16) & 0xf; | |
1330 | if (insn & ARM_CP_RW_BIT) { /* TMRRC */ | |
da6b5335 FN |
1331 | iwmmxt_load_reg(cpu_V0, wrd); |
1332 | tcg_gen_trunc_i64_i32(cpu_R[rdlo], cpu_V0); | |
1333 | tcg_gen_shri_i64(cpu_V0, cpu_V0, 32); | |
1334 | tcg_gen_trunc_i64_i32(cpu_R[rdhi], cpu_V0); | |
18c9b560 | 1335 | } else { /* TMCRR */ |
da6b5335 FN |
1336 | tcg_gen_concat_i32_i64(cpu_V0, cpu_R[rdlo], cpu_R[rdhi]); |
1337 | iwmmxt_store_reg(cpu_V0, wrd); | |
18c9b560 AZ |
1338 | gen_op_iwmmxt_set_mup(); |
1339 | } | |
1340 | return 0; | |
1341 | } | |
1342 | ||
1343 | wrd = (insn >> 12) & 0xf; | |
7d1b0095 | 1344 | addr = tcg_temp_new_i32(); |
da6b5335 | 1345 | if (gen_iwmmxt_address(s, insn, addr)) { |
7d1b0095 | 1346 | tcg_temp_free_i32(addr); |
18c9b560 | 1347 | return 1; |
da6b5335 | 1348 | } |
18c9b560 AZ |
1349 | if (insn & ARM_CP_RW_BIT) { |
1350 | if ((insn >> 28) == 0xf) { /* WLDRW wCx */ | |
7d1b0095 | 1351 | tmp = tcg_temp_new_i32(); |
da6b5335 FN |
1352 | tcg_gen_qemu_ld32u(tmp, addr, IS_USER(s)); |
1353 | iwmmxt_store_creg(wrd, tmp); | |
18c9b560 | 1354 | } else { |
e677137d PB |
1355 | i = 1; |
1356 | if (insn & (1 << 8)) { | |
1357 | if (insn & (1 << 22)) { /* WLDRD */ | |
da6b5335 | 1358 | tcg_gen_qemu_ld64(cpu_M0, addr, IS_USER(s)); |
e677137d PB |
1359 | i = 0; |
1360 | } else { /* WLDRW wRd */ | |
da6b5335 | 1361 | tmp = gen_ld32(addr, IS_USER(s)); |
e677137d PB |
1362 | } |
1363 | } else { | |
1364 | if (insn & (1 << 22)) { /* WLDRH */ | |
da6b5335 | 1365 | tmp = gen_ld16u(addr, IS_USER(s)); |
e677137d | 1366 | } else { /* WLDRB */ |
da6b5335 | 1367 | tmp = gen_ld8u(addr, IS_USER(s)); |
e677137d PB |
1368 | } |
1369 | } | |
1370 | if (i) { | |
1371 | tcg_gen_extu_i32_i64(cpu_M0, tmp); | |
7d1b0095 | 1372 | tcg_temp_free_i32(tmp); |
e677137d | 1373 | } |
18c9b560 AZ |
1374 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1375 | } | |
1376 | } else { | |
1377 | if ((insn >> 28) == 0xf) { /* WSTRW wCx */ | |
da6b5335 FN |
1378 | tmp = iwmmxt_load_creg(wrd); |
1379 | gen_st32(tmp, addr, IS_USER(s)); | |
18c9b560 AZ |
1380 | } else { |
1381 | gen_op_iwmmxt_movq_M0_wRn(wrd); | |
7d1b0095 | 1382 | tmp = tcg_temp_new_i32(); |
e677137d PB |
1383 | if (insn & (1 << 8)) { |
1384 | if (insn & (1 << 22)) { /* WSTRD */ | |
7d1b0095 | 1385 | tcg_temp_free_i32(tmp); |
da6b5335 | 1386 | tcg_gen_qemu_st64(cpu_M0, addr, IS_USER(s)); |
e677137d PB |
1387 | } else { /* WSTRW wRd */ |
1388 | tcg_gen_trunc_i64_i32(tmp, cpu_M0); | |
da6b5335 | 1389 | gen_st32(tmp, addr, IS_USER(s)); |
e677137d PB |
1390 | } |
1391 | } else { | |
1392 | if (insn & (1 << 22)) { /* WSTRH */ | |
1393 | tcg_gen_trunc_i64_i32(tmp, cpu_M0); | |
da6b5335 | 1394 | gen_st16(tmp, addr, IS_USER(s)); |
e677137d PB |
1395 | } else { /* WSTRB */ |
1396 | tcg_gen_trunc_i64_i32(tmp, cpu_M0); | |
da6b5335 | 1397 | gen_st8(tmp, addr, IS_USER(s)); |
e677137d PB |
1398 | } |
1399 | } | |
18c9b560 AZ |
1400 | } |
1401 | } | |
7d1b0095 | 1402 | tcg_temp_free_i32(addr); |
18c9b560 AZ |
1403 | return 0; |
1404 | } | |
1405 | ||
1406 | if ((insn & 0x0f000000) != 0x0e000000) | |
1407 | return 1; | |
1408 | ||
1409 | switch (((insn >> 12) & 0xf00) | ((insn >> 4) & 0xff)) { | |
1410 | case 0x000: /* WOR */ | |
1411 | wrd = (insn >> 12) & 0xf; | |
1412 | rd0 = (insn >> 0) & 0xf; | |
1413 | rd1 = (insn >> 16) & 0xf; | |
1414 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1415 | gen_op_iwmmxt_orq_M0_wRn(rd1); | |
1416 | gen_op_iwmmxt_setpsr_nz(); | |
1417 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1418 | gen_op_iwmmxt_set_mup(); | |
1419 | gen_op_iwmmxt_set_cup(); | |
1420 | break; | |
1421 | case 0x011: /* TMCR */ | |
1422 | if (insn & 0xf) | |
1423 | return 1; | |
1424 | rd = (insn >> 12) & 0xf; | |
1425 | wrd = (insn >> 16) & 0xf; | |
1426 | switch (wrd) { | |
1427 | case ARM_IWMMXT_wCID: | |
1428 | case ARM_IWMMXT_wCASF: | |
1429 | break; | |
1430 | case ARM_IWMMXT_wCon: | |
1431 | gen_op_iwmmxt_set_cup(); | |
1432 | /* Fall through. */ | |
1433 | case ARM_IWMMXT_wCSSF: | |
da6b5335 FN |
1434 | tmp = iwmmxt_load_creg(wrd); |
1435 | tmp2 = load_reg(s, rd); | |
f669df27 | 1436 | tcg_gen_andc_i32(tmp, tmp, tmp2); |
7d1b0095 | 1437 | tcg_temp_free_i32(tmp2); |
da6b5335 | 1438 | iwmmxt_store_creg(wrd, tmp); |
18c9b560 AZ |
1439 | break; |
1440 | case ARM_IWMMXT_wCGR0: | |
1441 | case ARM_IWMMXT_wCGR1: | |
1442 | case ARM_IWMMXT_wCGR2: | |
1443 | case ARM_IWMMXT_wCGR3: | |
1444 | gen_op_iwmmxt_set_cup(); | |
da6b5335 FN |
1445 | tmp = load_reg(s, rd); |
1446 | iwmmxt_store_creg(wrd, tmp); | |
18c9b560 AZ |
1447 | break; |
1448 | default: | |
1449 | return 1; | |
1450 | } | |
1451 | break; | |
1452 | case 0x100: /* WXOR */ | |
1453 | wrd = (insn >> 12) & 0xf; | |
1454 | rd0 = (insn >> 0) & 0xf; | |
1455 | rd1 = (insn >> 16) & 0xf; | |
1456 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1457 | gen_op_iwmmxt_xorq_M0_wRn(rd1); | |
1458 | gen_op_iwmmxt_setpsr_nz(); | |
1459 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1460 | gen_op_iwmmxt_set_mup(); | |
1461 | gen_op_iwmmxt_set_cup(); | |
1462 | break; | |
1463 | case 0x111: /* TMRC */ | |
1464 | if (insn & 0xf) | |
1465 | return 1; | |
1466 | rd = (insn >> 12) & 0xf; | |
1467 | wrd = (insn >> 16) & 0xf; | |
da6b5335 FN |
1468 | tmp = iwmmxt_load_creg(wrd); |
1469 | store_reg(s, rd, tmp); | |
18c9b560 AZ |
1470 | break; |
1471 | case 0x300: /* WANDN */ | |
1472 | wrd = (insn >> 12) & 0xf; | |
1473 | rd0 = (insn >> 0) & 0xf; | |
1474 | rd1 = (insn >> 16) & 0xf; | |
1475 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
e677137d | 1476 | tcg_gen_neg_i64(cpu_M0, cpu_M0); |
18c9b560 AZ |
1477 | gen_op_iwmmxt_andq_M0_wRn(rd1); |
1478 | gen_op_iwmmxt_setpsr_nz(); | |
1479 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1480 | gen_op_iwmmxt_set_mup(); | |
1481 | gen_op_iwmmxt_set_cup(); | |
1482 | break; | |
1483 | case 0x200: /* WAND */ | |
1484 | wrd = (insn >> 12) & 0xf; | |
1485 | rd0 = (insn >> 0) & 0xf; | |
1486 | rd1 = (insn >> 16) & 0xf; | |
1487 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1488 | gen_op_iwmmxt_andq_M0_wRn(rd1); | |
1489 | gen_op_iwmmxt_setpsr_nz(); | |
1490 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1491 | gen_op_iwmmxt_set_mup(); | |
1492 | gen_op_iwmmxt_set_cup(); | |
1493 | break; | |
1494 | case 0x810: case 0xa10: /* WMADD */ | |
1495 | wrd = (insn >> 12) & 0xf; | |
1496 | rd0 = (insn >> 0) & 0xf; | |
1497 | rd1 = (insn >> 16) & 0xf; | |
1498 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1499 | if (insn & (1 << 21)) | |
1500 | gen_op_iwmmxt_maddsq_M0_wRn(rd1); | |
1501 | else | |
1502 | gen_op_iwmmxt_madduq_M0_wRn(rd1); | |
1503 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1504 | gen_op_iwmmxt_set_mup(); | |
1505 | break; | |
1506 | case 0x10e: case 0x50e: case 0x90e: case 0xd0e: /* WUNPCKIL */ | |
1507 | wrd = (insn >> 12) & 0xf; | |
1508 | rd0 = (insn >> 16) & 0xf; | |
1509 | rd1 = (insn >> 0) & 0xf; | |
1510 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1511 | switch ((insn >> 22) & 3) { | |
1512 | case 0: | |
1513 | gen_op_iwmmxt_unpacklb_M0_wRn(rd1); | |
1514 | break; | |
1515 | case 1: | |
1516 | gen_op_iwmmxt_unpacklw_M0_wRn(rd1); | |
1517 | break; | |
1518 | case 2: | |
1519 | gen_op_iwmmxt_unpackll_M0_wRn(rd1); | |
1520 | break; | |
1521 | case 3: | |
1522 | return 1; | |
1523 | } | |
1524 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1525 | gen_op_iwmmxt_set_mup(); | |
1526 | gen_op_iwmmxt_set_cup(); | |
1527 | break; | |
1528 | case 0x10c: case 0x50c: case 0x90c: case 0xd0c: /* WUNPCKIH */ | |
1529 | wrd = (insn >> 12) & 0xf; | |
1530 | rd0 = (insn >> 16) & 0xf; | |
1531 | rd1 = (insn >> 0) & 0xf; | |
1532 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1533 | switch ((insn >> 22) & 3) { | |
1534 | case 0: | |
1535 | gen_op_iwmmxt_unpackhb_M0_wRn(rd1); | |
1536 | break; | |
1537 | case 1: | |
1538 | gen_op_iwmmxt_unpackhw_M0_wRn(rd1); | |
1539 | break; | |
1540 | case 2: | |
1541 | gen_op_iwmmxt_unpackhl_M0_wRn(rd1); | |
1542 | break; | |
1543 | case 3: | |
1544 | return 1; | |
1545 | } | |
1546 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1547 | gen_op_iwmmxt_set_mup(); | |
1548 | gen_op_iwmmxt_set_cup(); | |
1549 | break; | |
1550 | case 0x012: case 0x112: case 0x412: case 0x512: /* WSAD */ | |
1551 | wrd = (insn >> 12) & 0xf; | |
1552 | rd0 = (insn >> 16) & 0xf; | |
1553 | rd1 = (insn >> 0) & 0xf; | |
1554 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1555 | if (insn & (1 << 22)) | |
1556 | gen_op_iwmmxt_sadw_M0_wRn(rd1); | |
1557 | else | |
1558 | gen_op_iwmmxt_sadb_M0_wRn(rd1); | |
1559 | if (!(insn & (1 << 20))) | |
1560 | gen_op_iwmmxt_addl_M0_wRn(wrd); | |
1561 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1562 | gen_op_iwmmxt_set_mup(); | |
1563 | break; | |
1564 | case 0x010: case 0x110: case 0x210: case 0x310: /* WMUL */ | |
1565 | wrd = (insn >> 12) & 0xf; | |
1566 | rd0 = (insn >> 16) & 0xf; | |
1567 | rd1 = (insn >> 0) & 0xf; | |
1568 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
e677137d PB |
1569 | if (insn & (1 << 21)) { |
1570 | if (insn & (1 << 20)) | |
1571 | gen_op_iwmmxt_mulshw_M0_wRn(rd1); | |
1572 | else | |
1573 | gen_op_iwmmxt_mulslw_M0_wRn(rd1); | |
1574 | } else { | |
1575 | if (insn & (1 << 20)) | |
1576 | gen_op_iwmmxt_muluhw_M0_wRn(rd1); | |
1577 | else | |
1578 | gen_op_iwmmxt_mululw_M0_wRn(rd1); | |
1579 | } | |
18c9b560 AZ |
1580 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1581 | gen_op_iwmmxt_set_mup(); | |
1582 | break; | |
1583 | case 0x410: case 0x510: case 0x610: case 0x710: /* WMAC */ | |
1584 | wrd = (insn >> 12) & 0xf; | |
1585 | rd0 = (insn >> 16) & 0xf; | |
1586 | rd1 = (insn >> 0) & 0xf; | |
1587 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1588 | if (insn & (1 << 21)) | |
1589 | gen_op_iwmmxt_macsw_M0_wRn(rd1); | |
1590 | else | |
1591 | gen_op_iwmmxt_macuw_M0_wRn(rd1); | |
1592 | if (!(insn & (1 << 20))) { | |
e677137d PB |
1593 | iwmmxt_load_reg(cpu_V1, wrd); |
1594 | tcg_gen_add_i64(cpu_M0, cpu_M0, cpu_V1); | |
18c9b560 AZ |
1595 | } |
1596 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1597 | gen_op_iwmmxt_set_mup(); | |
1598 | break; | |
1599 | case 0x006: case 0x406: case 0x806: case 0xc06: /* WCMPEQ */ | |
1600 | wrd = (insn >> 12) & 0xf; | |
1601 | rd0 = (insn >> 16) & 0xf; | |
1602 | rd1 = (insn >> 0) & 0xf; | |
1603 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1604 | switch ((insn >> 22) & 3) { | |
1605 | case 0: | |
1606 | gen_op_iwmmxt_cmpeqb_M0_wRn(rd1); | |
1607 | break; | |
1608 | case 1: | |
1609 | gen_op_iwmmxt_cmpeqw_M0_wRn(rd1); | |
1610 | break; | |
1611 | case 2: | |
1612 | gen_op_iwmmxt_cmpeql_M0_wRn(rd1); | |
1613 | break; | |
1614 | case 3: | |
1615 | return 1; | |
1616 | } | |
1617 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1618 | gen_op_iwmmxt_set_mup(); | |
1619 | gen_op_iwmmxt_set_cup(); | |
1620 | break; | |
1621 | case 0x800: case 0x900: case 0xc00: case 0xd00: /* WAVG2 */ | |
1622 | wrd = (insn >> 12) & 0xf; | |
1623 | rd0 = (insn >> 16) & 0xf; | |
1624 | rd1 = (insn >> 0) & 0xf; | |
1625 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
e677137d PB |
1626 | if (insn & (1 << 22)) { |
1627 | if (insn & (1 << 20)) | |
1628 | gen_op_iwmmxt_avgw1_M0_wRn(rd1); | |
1629 | else | |
1630 | gen_op_iwmmxt_avgw0_M0_wRn(rd1); | |
1631 | } else { | |
1632 | if (insn & (1 << 20)) | |
1633 | gen_op_iwmmxt_avgb1_M0_wRn(rd1); | |
1634 | else | |
1635 | gen_op_iwmmxt_avgb0_M0_wRn(rd1); | |
1636 | } | |
18c9b560 AZ |
1637 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1638 | gen_op_iwmmxt_set_mup(); | |
1639 | gen_op_iwmmxt_set_cup(); | |
1640 | break; | |
1641 | case 0x802: case 0x902: case 0xa02: case 0xb02: /* WALIGNR */ | |
1642 | wrd = (insn >> 12) & 0xf; | |
1643 | rd0 = (insn >> 16) & 0xf; | |
1644 | rd1 = (insn >> 0) & 0xf; | |
1645 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
da6b5335 FN |
1646 | tmp = iwmmxt_load_creg(ARM_IWMMXT_wCGR0 + ((insn >> 20) & 3)); |
1647 | tcg_gen_andi_i32(tmp, tmp, 7); | |
1648 | iwmmxt_load_reg(cpu_V1, rd1); | |
1649 | gen_helper_iwmmxt_align(cpu_M0, cpu_M0, cpu_V1, tmp); | |
7d1b0095 | 1650 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
1651 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1652 | gen_op_iwmmxt_set_mup(); | |
1653 | break; | |
1654 | case 0x601: case 0x605: case 0x609: case 0x60d: /* TINSR */ | |
da6b5335 FN |
1655 | if (((insn >> 6) & 3) == 3) |
1656 | return 1; | |
18c9b560 AZ |
1657 | rd = (insn >> 12) & 0xf; |
1658 | wrd = (insn >> 16) & 0xf; | |
da6b5335 | 1659 | tmp = load_reg(s, rd); |
18c9b560 AZ |
1660 | gen_op_iwmmxt_movq_M0_wRn(wrd); |
1661 | switch ((insn >> 6) & 3) { | |
1662 | case 0: | |
da6b5335 FN |
1663 | tmp2 = tcg_const_i32(0xff); |
1664 | tmp3 = tcg_const_i32((insn & 7) << 3); | |
18c9b560 AZ |
1665 | break; |
1666 | case 1: | |
da6b5335 FN |
1667 | tmp2 = tcg_const_i32(0xffff); |
1668 | tmp3 = tcg_const_i32((insn & 3) << 4); | |
18c9b560 AZ |
1669 | break; |
1670 | case 2: | |
da6b5335 FN |
1671 | tmp2 = tcg_const_i32(0xffffffff); |
1672 | tmp3 = tcg_const_i32((insn & 1) << 5); | |
18c9b560 | 1673 | break; |
da6b5335 FN |
1674 | default: |
1675 | TCGV_UNUSED(tmp2); | |
1676 | TCGV_UNUSED(tmp3); | |
18c9b560 | 1677 | } |
da6b5335 FN |
1678 | gen_helper_iwmmxt_insr(cpu_M0, cpu_M0, tmp, tmp2, tmp3); |
1679 | tcg_temp_free(tmp3); | |
1680 | tcg_temp_free(tmp2); | |
7d1b0095 | 1681 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
1682 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1683 | gen_op_iwmmxt_set_mup(); | |
1684 | break; | |
1685 | case 0x107: case 0x507: case 0x907: case 0xd07: /* TEXTRM */ | |
1686 | rd = (insn >> 12) & 0xf; | |
1687 | wrd = (insn >> 16) & 0xf; | |
da6b5335 | 1688 | if (rd == 15 || ((insn >> 22) & 3) == 3) |
18c9b560 AZ |
1689 | return 1; |
1690 | gen_op_iwmmxt_movq_M0_wRn(wrd); | |
7d1b0095 | 1691 | tmp = tcg_temp_new_i32(); |
18c9b560 AZ |
1692 | switch ((insn >> 22) & 3) { |
1693 | case 0: | |
da6b5335 FN |
1694 | tcg_gen_shri_i64(cpu_M0, cpu_M0, (insn & 7) << 3); |
1695 | tcg_gen_trunc_i64_i32(tmp, cpu_M0); | |
1696 | if (insn & 8) { | |
1697 | tcg_gen_ext8s_i32(tmp, tmp); | |
1698 | } else { | |
1699 | tcg_gen_andi_i32(tmp, tmp, 0xff); | |
18c9b560 AZ |
1700 | } |
1701 | break; | |
1702 | case 1: | |
da6b5335 FN |
1703 | tcg_gen_shri_i64(cpu_M0, cpu_M0, (insn & 3) << 4); |
1704 | tcg_gen_trunc_i64_i32(tmp, cpu_M0); | |
1705 | if (insn & 8) { | |
1706 | tcg_gen_ext16s_i32(tmp, tmp); | |
1707 | } else { | |
1708 | tcg_gen_andi_i32(tmp, tmp, 0xffff); | |
18c9b560 AZ |
1709 | } |
1710 | break; | |
1711 | case 2: | |
da6b5335 FN |
1712 | tcg_gen_shri_i64(cpu_M0, cpu_M0, (insn & 1) << 5); |
1713 | tcg_gen_trunc_i64_i32(tmp, cpu_M0); | |
18c9b560 | 1714 | break; |
18c9b560 | 1715 | } |
da6b5335 | 1716 | store_reg(s, rd, tmp); |
18c9b560 AZ |
1717 | break; |
1718 | case 0x117: case 0x517: case 0x917: case 0xd17: /* TEXTRC */ | |
da6b5335 | 1719 | if ((insn & 0x000ff008) != 0x0003f000 || ((insn >> 22) & 3) == 3) |
18c9b560 | 1720 | return 1; |
da6b5335 | 1721 | tmp = iwmmxt_load_creg(ARM_IWMMXT_wCASF); |
18c9b560 AZ |
1722 | switch ((insn >> 22) & 3) { |
1723 | case 0: | |
da6b5335 | 1724 | tcg_gen_shri_i32(tmp, tmp, ((insn & 7) << 2) + 0); |
18c9b560 AZ |
1725 | break; |
1726 | case 1: | |
da6b5335 | 1727 | tcg_gen_shri_i32(tmp, tmp, ((insn & 3) << 3) + 4); |
18c9b560 AZ |
1728 | break; |
1729 | case 2: | |
da6b5335 | 1730 | tcg_gen_shri_i32(tmp, tmp, ((insn & 1) << 4) + 12); |
18c9b560 | 1731 | break; |
18c9b560 | 1732 | } |
da6b5335 FN |
1733 | tcg_gen_shli_i32(tmp, tmp, 28); |
1734 | gen_set_nzcv(tmp); | |
7d1b0095 | 1735 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
1736 | break; |
1737 | case 0x401: case 0x405: case 0x409: case 0x40d: /* TBCST */ | |
da6b5335 FN |
1738 | if (((insn >> 6) & 3) == 3) |
1739 | return 1; | |
18c9b560 AZ |
1740 | rd = (insn >> 12) & 0xf; |
1741 | wrd = (insn >> 16) & 0xf; | |
da6b5335 | 1742 | tmp = load_reg(s, rd); |
18c9b560 AZ |
1743 | switch ((insn >> 6) & 3) { |
1744 | case 0: | |
da6b5335 | 1745 | gen_helper_iwmmxt_bcstb(cpu_M0, tmp); |
18c9b560 AZ |
1746 | break; |
1747 | case 1: | |
da6b5335 | 1748 | gen_helper_iwmmxt_bcstw(cpu_M0, tmp); |
18c9b560 AZ |
1749 | break; |
1750 | case 2: | |
da6b5335 | 1751 | gen_helper_iwmmxt_bcstl(cpu_M0, tmp); |
18c9b560 | 1752 | break; |
18c9b560 | 1753 | } |
7d1b0095 | 1754 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
1755 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1756 | gen_op_iwmmxt_set_mup(); | |
1757 | break; | |
1758 | case 0x113: case 0x513: case 0x913: case 0xd13: /* TANDC */ | |
da6b5335 | 1759 | if ((insn & 0x000ff00f) != 0x0003f000 || ((insn >> 22) & 3) == 3) |
18c9b560 | 1760 | return 1; |
da6b5335 | 1761 | tmp = iwmmxt_load_creg(ARM_IWMMXT_wCASF); |
7d1b0095 | 1762 | tmp2 = tcg_temp_new_i32(); |
da6b5335 | 1763 | tcg_gen_mov_i32(tmp2, tmp); |
18c9b560 AZ |
1764 | switch ((insn >> 22) & 3) { |
1765 | case 0: | |
1766 | for (i = 0; i < 7; i ++) { | |
da6b5335 FN |
1767 | tcg_gen_shli_i32(tmp2, tmp2, 4); |
1768 | tcg_gen_and_i32(tmp, tmp, tmp2); | |
18c9b560 AZ |
1769 | } |
1770 | break; | |
1771 | case 1: | |
1772 | for (i = 0; i < 3; i ++) { | |
da6b5335 FN |
1773 | tcg_gen_shli_i32(tmp2, tmp2, 8); |
1774 | tcg_gen_and_i32(tmp, tmp, tmp2); | |
18c9b560 AZ |
1775 | } |
1776 | break; | |
1777 | case 2: | |
da6b5335 FN |
1778 | tcg_gen_shli_i32(tmp2, tmp2, 16); |
1779 | tcg_gen_and_i32(tmp, tmp, tmp2); | |
18c9b560 | 1780 | break; |
18c9b560 | 1781 | } |
da6b5335 | 1782 | gen_set_nzcv(tmp); |
7d1b0095 PM |
1783 | tcg_temp_free_i32(tmp2); |
1784 | tcg_temp_free_i32(tmp); | |
18c9b560 AZ |
1785 | break; |
1786 | case 0x01c: case 0x41c: case 0x81c: case 0xc1c: /* WACC */ | |
1787 | wrd = (insn >> 12) & 0xf; | |
1788 | rd0 = (insn >> 16) & 0xf; | |
1789 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1790 | switch ((insn >> 22) & 3) { | |
1791 | case 0: | |
e677137d | 1792 | gen_helper_iwmmxt_addcb(cpu_M0, cpu_M0); |
18c9b560 AZ |
1793 | break; |
1794 | case 1: | |
e677137d | 1795 | gen_helper_iwmmxt_addcw(cpu_M0, cpu_M0); |
18c9b560 AZ |
1796 | break; |
1797 | case 2: | |
e677137d | 1798 | gen_helper_iwmmxt_addcl(cpu_M0, cpu_M0); |
18c9b560 AZ |
1799 | break; |
1800 | case 3: | |
1801 | return 1; | |
1802 | } | |
1803 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1804 | gen_op_iwmmxt_set_mup(); | |
1805 | break; | |
1806 | case 0x115: case 0x515: case 0x915: case 0xd15: /* TORC */ | |
da6b5335 | 1807 | if ((insn & 0x000ff00f) != 0x0003f000 || ((insn >> 22) & 3) == 3) |
18c9b560 | 1808 | return 1; |
da6b5335 | 1809 | tmp = iwmmxt_load_creg(ARM_IWMMXT_wCASF); |
7d1b0095 | 1810 | tmp2 = tcg_temp_new_i32(); |
da6b5335 | 1811 | tcg_gen_mov_i32(tmp2, tmp); |
18c9b560 AZ |
1812 | switch ((insn >> 22) & 3) { |
1813 | case 0: | |
1814 | for (i = 0; i < 7; i ++) { | |
da6b5335 FN |
1815 | tcg_gen_shli_i32(tmp2, tmp2, 4); |
1816 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
18c9b560 AZ |
1817 | } |
1818 | break; | |
1819 | case 1: | |
1820 | for (i = 0; i < 3; i ++) { | |
da6b5335 FN |
1821 | tcg_gen_shli_i32(tmp2, tmp2, 8); |
1822 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
18c9b560 AZ |
1823 | } |
1824 | break; | |
1825 | case 2: | |
da6b5335 FN |
1826 | tcg_gen_shli_i32(tmp2, tmp2, 16); |
1827 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
18c9b560 | 1828 | break; |
18c9b560 | 1829 | } |
da6b5335 | 1830 | gen_set_nzcv(tmp); |
7d1b0095 PM |
1831 | tcg_temp_free_i32(tmp2); |
1832 | tcg_temp_free_i32(tmp); | |
18c9b560 AZ |
1833 | break; |
1834 | case 0x103: case 0x503: case 0x903: case 0xd03: /* TMOVMSK */ | |
1835 | rd = (insn >> 12) & 0xf; | |
1836 | rd0 = (insn >> 16) & 0xf; | |
da6b5335 | 1837 | if ((insn & 0xf) != 0 || ((insn >> 22) & 3) == 3) |
18c9b560 AZ |
1838 | return 1; |
1839 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
7d1b0095 | 1840 | tmp = tcg_temp_new_i32(); |
18c9b560 AZ |
1841 | switch ((insn >> 22) & 3) { |
1842 | case 0: | |
da6b5335 | 1843 | gen_helper_iwmmxt_msbb(tmp, cpu_M0); |
18c9b560 AZ |
1844 | break; |
1845 | case 1: | |
da6b5335 | 1846 | gen_helper_iwmmxt_msbw(tmp, cpu_M0); |
18c9b560 AZ |
1847 | break; |
1848 | case 2: | |
da6b5335 | 1849 | gen_helper_iwmmxt_msbl(tmp, cpu_M0); |
18c9b560 | 1850 | break; |
18c9b560 | 1851 | } |
da6b5335 | 1852 | store_reg(s, rd, tmp); |
18c9b560 AZ |
1853 | break; |
1854 | case 0x106: case 0x306: case 0x506: case 0x706: /* WCMPGT */ | |
1855 | case 0x906: case 0xb06: case 0xd06: case 0xf06: | |
1856 | wrd = (insn >> 12) & 0xf; | |
1857 | rd0 = (insn >> 16) & 0xf; | |
1858 | rd1 = (insn >> 0) & 0xf; | |
1859 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1860 | switch ((insn >> 22) & 3) { | |
1861 | case 0: | |
1862 | if (insn & (1 << 21)) | |
1863 | gen_op_iwmmxt_cmpgtsb_M0_wRn(rd1); | |
1864 | else | |
1865 | gen_op_iwmmxt_cmpgtub_M0_wRn(rd1); | |
1866 | break; | |
1867 | case 1: | |
1868 | if (insn & (1 << 21)) | |
1869 | gen_op_iwmmxt_cmpgtsw_M0_wRn(rd1); | |
1870 | else | |
1871 | gen_op_iwmmxt_cmpgtuw_M0_wRn(rd1); | |
1872 | break; | |
1873 | case 2: | |
1874 | if (insn & (1 << 21)) | |
1875 | gen_op_iwmmxt_cmpgtsl_M0_wRn(rd1); | |
1876 | else | |
1877 | gen_op_iwmmxt_cmpgtul_M0_wRn(rd1); | |
1878 | break; | |
1879 | case 3: | |
1880 | return 1; | |
1881 | } | |
1882 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1883 | gen_op_iwmmxt_set_mup(); | |
1884 | gen_op_iwmmxt_set_cup(); | |
1885 | break; | |
1886 | case 0x00e: case 0x20e: case 0x40e: case 0x60e: /* WUNPCKEL */ | |
1887 | case 0x80e: case 0xa0e: case 0xc0e: case 0xe0e: | |
1888 | wrd = (insn >> 12) & 0xf; | |
1889 | rd0 = (insn >> 16) & 0xf; | |
1890 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1891 | switch ((insn >> 22) & 3) { | |
1892 | case 0: | |
1893 | if (insn & (1 << 21)) | |
1894 | gen_op_iwmmxt_unpacklsb_M0(); | |
1895 | else | |
1896 | gen_op_iwmmxt_unpacklub_M0(); | |
1897 | break; | |
1898 | case 1: | |
1899 | if (insn & (1 << 21)) | |
1900 | gen_op_iwmmxt_unpacklsw_M0(); | |
1901 | else | |
1902 | gen_op_iwmmxt_unpackluw_M0(); | |
1903 | break; | |
1904 | case 2: | |
1905 | if (insn & (1 << 21)) | |
1906 | gen_op_iwmmxt_unpacklsl_M0(); | |
1907 | else | |
1908 | gen_op_iwmmxt_unpacklul_M0(); | |
1909 | break; | |
1910 | case 3: | |
1911 | return 1; | |
1912 | } | |
1913 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1914 | gen_op_iwmmxt_set_mup(); | |
1915 | gen_op_iwmmxt_set_cup(); | |
1916 | break; | |
1917 | case 0x00c: case 0x20c: case 0x40c: case 0x60c: /* WUNPCKEH */ | |
1918 | case 0x80c: case 0xa0c: case 0xc0c: case 0xe0c: | |
1919 | wrd = (insn >> 12) & 0xf; | |
1920 | rd0 = (insn >> 16) & 0xf; | |
1921 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1922 | switch ((insn >> 22) & 3) { | |
1923 | case 0: | |
1924 | if (insn & (1 << 21)) | |
1925 | gen_op_iwmmxt_unpackhsb_M0(); | |
1926 | else | |
1927 | gen_op_iwmmxt_unpackhub_M0(); | |
1928 | break; | |
1929 | case 1: | |
1930 | if (insn & (1 << 21)) | |
1931 | gen_op_iwmmxt_unpackhsw_M0(); | |
1932 | else | |
1933 | gen_op_iwmmxt_unpackhuw_M0(); | |
1934 | break; | |
1935 | case 2: | |
1936 | if (insn & (1 << 21)) | |
1937 | gen_op_iwmmxt_unpackhsl_M0(); | |
1938 | else | |
1939 | gen_op_iwmmxt_unpackhul_M0(); | |
1940 | break; | |
1941 | case 3: | |
1942 | return 1; | |
1943 | } | |
1944 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1945 | gen_op_iwmmxt_set_mup(); | |
1946 | gen_op_iwmmxt_set_cup(); | |
1947 | break; | |
1948 | case 0x204: case 0x604: case 0xa04: case 0xe04: /* WSRL */ | |
1949 | case 0x214: case 0x614: case 0xa14: case 0xe14: | |
da6b5335 FN |
1950 | if (((insn >> 22) & 3) == 0) |
1951 | return 1; | |
18c9b560 AZ |
1952 | wrd = (insn >> 12) & 0xf; |
1953 | rd0 = (insn >> 16) & 0xf; | |
1954 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
7d1b0095 | 1955 | tmp = tcg_temp_new_i32(); |
da6b5335 | 1956 | if (gen_iwmmxt_shift(insn, 0xff, tmp)) { |
7d1b0095 | 1957 | tcg_temp_free_i32(tmp); |
18c9b560 | 1958 | return 1; |
da6b5335 | 1959 | } |
18c9b560 | 1960 | switch ((insn >> 22) & 3) { |
18c9b560 | 1961 | case 1: |
947a2fa2 | 1962 | gen_helper_iwmmxt_srlw(cpu_M0, cpu_M0, tmp); |
18c9b560 AZ |
1963 | break; |
1964 | case 2: | |
947a2fa2 | 1965 | gen_helper_iwmmxt_srll(cpu_M0, cpu_M0, tmp); |
18c9b560 AZ |
1966 | break; |
1967 | case 3: | |
947a2fa2 | 1968 | gen_helper_iwmmxt_srlq(cpu_M0, cpu_M0, tmp); |
18c9b560 AZ |
1969 | break; |
1970 | } | |
7d1b0095 | 1971 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
1972 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1973 | gen_op_iwmmxt_set_mup(); | |
1974 | gen_op_iwmmxt_set_cup(); | |
1975 | break; | |
1976 | case 0x004: case 0x404: case 0x804: case 0xc04: /* WSRA */ | |
1977 | case 0x014: case 0x414: case 0x814: case 0xc14: | |
da6b5335 FN |
1978 | if (((insn >> 22) & 3) == 0) |
1979 | return 1; | |
18c9b560 AZ |
1980 | wrd = (insn >> 12) & 0xf; |
1981 | rd0 = (insn >> 16) & 0xf; | |
1982 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
7d1b0095 | 1983 | tmp = tcg_temp_new_i32(); |
da6b5335 | 1984 | if (gen_iwmmxt_shift(insn, 0xff, tmp)) { |
7d1b0095 | 1985 | tcg_temp_free_i32(tmp); |
18c9b560 | 1986 | return 1; |
da6b5335 | 1987 | } |
18c9b560 | 1988 | switch ((insn >> 22) & 3) { |
18c9b560 | 1989 | case 1: |
947a2fa2 | 1990 | gen_helper_iwmmxt_sraw(cpu_M0, cpu_M0, tmp); |
18c9b560 AZ |
1991 | break; |
1992 | case 2: | |
947a2fa2 | 1993 | gen_helper_iwmmxt_sral(cpu_M0, cpu_M0, tmp); |
18c9b560 AZ |
1994 | break; |
1995 | case 3: | |
947a2fa2 | 1996 | gen_helper_iwmmxt_sraq(cpu_M0, cpu_M0, tmp); |
18c9b560 AZ |
1997 | break; |
1998 | } | |
7d1b0095 | 1999 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
2000 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2001 | gen_op_iwmmxt_set_mup(); | |
2002 | gen_op_iwmmxt_set_cup(); | |
2003 | break; | |
2004 | case 0x104: case 0x504: case 0x904: case 0xd04: /* WSLL */ | |
2005 | case 0x114: case 0x514: case 0x914: case 0xd14: | |
da6b5335 FN |
2006 | if (((insn >> 22) & 3) == 0) |
2007 | return 1; | |
18c9b560 AZ |
2008 | wrd = (insn >> 12) & 0xf; |
2009 | rd0 = (insn >> 16) & 0xf; | |
2010 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
7d1b0095 | 2011 | tmp = tcg_temp_new_i32(); |
da6b5335 | 2012 | if (gen_iwmmxt_shift(insn, 0xff, tmp)) { |
7d1b0095 | 2013 | tcg_temp_free_i32(tmp); |
18c9b560 | 2014 | return 1; |
da6b5335 | 2015 | } |
18c9b560 | 2016 | switch ((insn >> 22) & 3) { |
18c9b560 | 2017 | case 1: |
947a2fa2 | 2018 | gen_helper_iwmmxt_sllw(cpu_M0, cpu_M0, tmp); |
18c9b560 AZ |
2019 | break; |
2020 | case 2: | |
947a2fa2 | 2021 | gen_helper_iwmmxt_slll(cpu_M0, cpu_M0, tmp); |
18c9b560 AZ |
2022 | break; |
2023 | case 3: | |
947a2fa2 | 2024 | gen_helper_iwmmxt_sllq(cpu_M0, cpu_M0, tmp); |
18c9b560 AZ |
2025 | break; |
2026 | } | |
7d1b0095 | 2027 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
2028 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2029 | gen_op_iwmmxt_set_mup(); | |
2030 | gen_op_iwmmxt_set_cup(); | |
2031 | break; | |
2032 | case 0x304: case 0x704: case 0xb04: case 0xf04: /* WROR */ | |
2033 | case 0x314: case 0x714: case 0xb14: case 0xf14: | |
da6b5335 FN |
2034 | if (((insn >> 22) & 3) == 0) |
2035 | return 1; | |
18c9b560 AZ |
2036 | wrd = (insn >> 12) & 0xf; |
2037 | rd0 = (insn >> 16) & 0xf; | |
2038 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
7d1b0095 | 2039 | tmp = tcg_temp_new_i32(); |
18c9b560 | 2040 | switch ((insn >> 22) & 3) { |
18c9b560 | 2041 | case 1: |
da6b5335 | 2042 | if (gen_iwmmxt_shift(insn, 0xf, tmp)) { |
7d1b0095 | 2043 | tcg_temp_free_i32(tmp); |
18c9b560 | 2044 | return 1; |
da6b5335 | 2045 | } |
947a2fa2 | 2046 | gen_helper_iwmmxt_rorw(cpu_M0, cpu_M0, tmp); |
18c9b560 AZ |
2047 | break; |
2048 | case 2: | |
da6b5335 | 2049 | if (gen_iwmmxt_shift(insn, 0x1f, tmp)) { |
7d1b0095 | 2050 | tcg_temp_free_i32(tmp); |
18c9b560 | 2051 | return 1; |
da6b5335 | 2052 | } |
947a2fa2 | 2053 | gen_helper_iwmmxt_rorl(cpu_M0, cpu_M0, tmp); |
18c9b560 AZ |
2054 | break; |
2055 | case 3: | |
da6b5335 | 2056 | if (gen_iwmmxt_shift(insn, 0x3f, tmp)) { |
7d1b0095 | 2057 | tcg_temp_free_i32(tmp); |
18c9b560 | 2058 | return 1; |
da6b5335 | 2059 | } |
947a2fa2 | 2060 | gen_helper_iwmmxt_rorq(cpu_M0, cpu_M0, tmp); |
18c9b560 AZ |
2061 | break; |
2062 | } | |
7d1b0095 | 2063 | tcg_temp_free_i32(tmp); |
18c9b560 AZ |
2064 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2065 | gen_op_iwmmxt_set_mup(); | |
2066 | gen_op_iwmmxt_set_cup(); | |
2067 | break; | |
2068 | case 0x116: case 0x316: case 0x516: case 0x716: /* WMIN */ | |
2069 | case 0x916: case 0xb16: case 0xd16: case 0xf16: | |
2070 | wrd = (insn >> 12) & 0xf; | |
2071 | rd0 = (insn >> 16) & 0xf; | |
2072 | rd1 = (insn >> 0) & 0xf; | |
2073 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
2074 | switch ((insn >> 22) & 3) { | |
2075 | case 0: | |
2076 | if (insn & (1 << 21)) | |
2077 | gen_op_iwmmxt_minsb_M0_wRn(rd1); | |
2078 | else | |
2079 | gen_op_iwmmxt_minub_M0_wRn(rd1); | |
2080 | break; | |
2081 | case 1: | |
2082 | if (insn & (1 << 21)) | |
2083 | gen_op_iwmmxt_minsw_M0_wRn(rd1); | |
2084 | else | |
2085 | gen_op_iwmmxt_minuw_M0_wRn(rd1); | |
2086 | break; | |
2087 | case 2: | |
2088 | if (insn & (1 << 21)) | |
2089 | gen_op_iwmmxt_minsl_M0_wRn(rd1); | |
2090 | else | |
2091 | gen_op_iwmmxt_minul_M0_wRn(rd1); | |
2092 | break; | |
2093 | case 3: | |
2094 | return 1; | |
2095 | } | |
2096 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
2097 | gen_op_iwmmxt_set_mup(); | |
2098 | break; | |
2099 | case 0x016: case 0x216: case 0x416: case 0x616: /* WMAX */ | |
2100 | case 0x816: case 0xa16: case 0xc16: case 0xe16: | |
2101 | wrd = (insn >> 12) & 0xf; | |
2102 | rd0 = (insn >> 16) & 0xf; | |
2103 | rd1 = (insn >> 0) & 0xf; | |
2104 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
2105 | switch ((insn >> 22) & 3) { | |
2106 | case 0: | |
2107 | if (insn & (1 << 21)) | |
2108 | gen_op_iwmmxt_maxsb_M0_wRn(rd1); | |
2109 | else | |
2110 | gen_op_iwmmxt_maxub_M0_wRn(rd1); | |
2111 | break; | |
2112 | case 1: | |
2113 | if (insn & (1 << 21)) | |
2114 | gen_op_iwmmxt_maxsw_M0_wRn(rd1); | |
2115 | else | |
2116 | gen_op_iwmmxt_maxuw_M0_wRn(rd1); | |
2117 | break; | |
2118 | case 2: | |
2119 | if (insn & (1 << 21)) | |
2120 | gen_op_iwmmxt_maxsl_M0_wRn(rd1); | |
2121 | else | |
2122 | gen_op_iwmmxt_maxul_M0_wRn(rd1); | |
2123 | break; | |
2124 | case 3: | |
2125 | return 1; | |
2126 | } | |
2127 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
2128 | gen_op_iwmmxt_set_mup(); | |
2129 | break; | |
2130 | case 0x002: case 0x102: case 0x202: case 0x302: /* WALIGNI */ | |
2131 | case 0x402: case 0x502: case 0x602: case 0x702: | |
2132 | wrd = (insn >> 12) & 0xf; | |
2133 | rd0 = (insn >> 16) & 0xf; | |
2134 | rd1 = (insn >> 0) & 0xf; | |
2135 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
da6b5335 FN |
2136 | tmp = tcg_const_i32((insn >> 20) & 3); |
2137 | iwmmxt_load_reg(cpu_V1, rd1); | |
2138 | gen_helper_iwmmxt_align(cpu_M0, cpu_M0, cpu_V1, tmp); | |
2139 | tcg_temp_free(tmp); | |
18c9b560 AZ |
2140 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2141 | gen_op_iwmmxt_set_mup(); | |
2142 | break; | |
2143 | case 0x01a: case 0x11a: case 0x21a: case 0x31a: /* WSUB */ | |
2144 | case 0x41a: case 0x51a: case 0x61a: case 0x71a: | |
2145 | case 0x81a: case 0x91a: case 0xa1a: case 0xb1a: | |
2146 | case 0xc1a: case 0xd1a: case 0xe1a: case 0xf1a: | |
2147 | wrd = (insn >> 12) & 0xf; | |
2148 | rd0 = (insn >> 16) & 0xf; | |
2149 | rd1 = (insn >> 0) & 0xf; | |
2150 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
2151 | switch ((insn >> 20) & 0xf) { | |
2152 | case 0x0: | |
2153 | gen_op_iwmmxt_subnb_M0_wRn(rd1); | |
2154 | break; | |
2155 | case 0x1: | |
2156 | gen_op_iwmmxt_subub_M0_wRn(rd1); | |
2157 | break; | |
2158 | case 0x3: | |
2159 | gen_op_iwmmxt_subsb_M0_wRn(rd1); | |
2160 | break; | |
2161 | case 0x4: | |
2162 | gen_op_iwmmxt_subnw_M0_wRn(rd1); | |
2163 | break; | |
2164 | case 0x5: | |
2165 | gen_op_iwmmxt_subuw_M0_wRn(rd1); | |
2166 | break; | |
2167 | case 0x7: | |
2168 | gen_op_iwmmxt_subsw_M0_wRn(rd1); | |
2169 | break; | |
2170 | case 0x8: | |
2171 | gen_op_iwmmxt_subnl_M0_wRn(rd1); | |
2172 | break; | |
2173 | case 0x9: | |
2174 | gen_op_iwmmxt_subul_M0_wRn(rd1); | |
2175 | break; | |
2176 | case 0xb: | |
2177 | gen_op_iwmmxt_subsl_M0_wRn(rd1); | |
2178 | break; | |
2179 | default: | |
2180 | return 1; | |
2181 | } | |
2182 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
2183 | gen_op_iwmmxt_set_mup(); | |
2184 | gen_op_iwmmxt_set_cup(); | |
2185 | break; | |
2186 | case 0x01e: case 0x11e: case 0x21e: case 0x31e: /* WSHUFH */ | |
2187 | case 0x41e: case 0x51e: case 0x61e: case 0x71e: | |
2188 | case 0x81e: case 0x91e: case 0xa1e: case 0xb1e: | |
2189 | case 0xc1e: case 0xd1e: case 0xe1e: case 0xf1e: | |
2190 | wrd = (insn >> 12) & 0xf; | |
2191 | rd0 = (insn >> 16) & 0xf; | |
2192 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
da6b5335 | 2193 | tmp = tcg_const_i32(((insn >> 16) & 0xf0) | (insn & 0x0f)); |
947a2fa2 | 2194 | gen_helper_iwmmxt_shufh(cpu_M0, cpu_M0, tmp); |
da6b5335 | 2195 | tcg_temp_free(tmp); |
18c9b560 AZ |
2196 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2197 | gen_op_iwmmxt_set_mup(); | |
2198 | gen_op_iwmmxt_set_cup(); | |
2199 | break; | |
2200 | case 0x018: case 0x118: case 0x218: case 0x318: /* WADD */ | |
2201 | case 0x418: case 0x518: case 0x618: case 0x718: | |
2202 | case 0x818: case 0x918: case 0xa18: case 0xb18: | |
2203 | case 0xc18: case 0xd18: case 0xe18: case 0xf18: | |
2204 | wrd = (insn >> 12) & 0xf; | |
2205 | rd0 = (insn >> 16) & 0xf; | |
2206 | rd1 = (insn >> 0) & 0xf; | |
2207 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
2208 | switch ((insn >> 20) & 0xf) { | |
2209 | case 0x0: | |
2210 | gen_op_iwmmxt_addnb_M0_wRn(rd1); | |
2211 | break; | |
2212 | case 0x1: | |
2213 | gen_op_iwmmxt_addub_M0_wRn(rd1); | |
2214 | break; | |
2215 | case 0x3: | |
2216 | gen_op_iwmmxt_addsb_M0_wRn(rd1); | |
2217 | break; | |
2218 | case 0x4: | |
2219 | gen_op_iwmmxt_addnw_M0_wRn(rd1); | |
2220 | break; | |
2221 | case 0x5: | |
2222 | gen_op_iwmmxt_adduw_M0_wRn(rd1); | |
2223 | break; | |
2224 | case 0x7: | |
2225 | gen_op_iwmmxt_addsw_M0_wRn(rd1); | |
2226 | break; | |
2227 | case 0x8: | |
2228 | gen_op_iwmmxt_addnl_M0_wRn(rd1); | |
2229 | break; | |
2230 | case 0x9: | |
2231 | gen_op_iwmmxt_addul_M0_wRn(rd1); | |
2232 | break; | |
2233 | case 0xb: | |
2234 | gen_op_iwmmxt_addsl_M0_wRn(rd1); | |
2235 | break; | |
2236 | default: | |
2237 | return 1; | |
2238 | } | |
2239 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
2240 | gen_op_iwmmxt_set_mup(); | |
2241 | gen_op_iwmmxt_set_cup(); | |
2242 | break; | |
2243 | case 0x008: case 0x108: case 0x208: case 0x308: /* WPACK */ | |
2244 | case 0x408: case 0x508: case 0x608: case 0x708: | |
2245 | case 0x808: case 0x908: case 0xa08: case 0xb08: | |
2246 | case 0xc08: case 0xd08: case 0xe08: case 0xf08: | |
da6b5335 FN |
2247 | if (!(insn & (1 << 20)) || ((insn >> 22) & 3) == 0) |
2248 | return 1; | |
18c9b560 AZ |
2249 | wrd = (insn >> 12) & 0xf; |
2250 | rd0 = (insn >> 16) & 0xf; | |
2251 | rd1 = (insn >> 0) & 0xf; | |
2252 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
18c9b560 | 2253 | switch ((insn >> 22) & 3) { |
18c9b560 AZ |
2254 | case 1: |
2255 | if (insn & (1 << 21)) | |
2256 | gen_op_iwmmxt_packsw_M0_wRn(rd1); | |
2257 | else | |
2258 | gen_op_iwmmxt_packuw_M0_wRn(rd1); | |
2259 | break; | |
2260 | case 2: | |
2261 | if (insn & (1 << 21)) | |
2262 | gen_op_iwmmxt_packsl_M0_wRn(rd1); | |
2263 | else | |
2264 | gen_op_iwmmxt_packul_M0_wRn(rd1); | |
2265 | break; | |
2266 | case 3: | |
2267 | if (insn & (1 << 21)) | |
2268 | gen_op_iwmmxt_packsq_M0_wRn(rd1); | |
2269 | else | |
2270 | gen_op_iwmmxt_packuq_M0_wRn(rd1); | |
2271 | break; | |
2272 | } | |
2273 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
2274 | gen_op_iwmmxt_set_mup(); | |
2275 | gen_op_iwmmxt_set_cup(); | |
2276 | break; | |
2277 | case 0x201: case 0x203: case 0x205: case 0x207: | |
2278 | case 0x209: case 0x20b: case 0x20d: case 0x20f: | |
2279 | case 0x211: case 0x213: case 0x215: case 0x217: | |
2280 | case 0x219: case 0x21b: case 0x21d: case 0x21f: | |
2281 | wrd = (insn >> 5) & 0xf; | |
2282 | rd0 = (insn >> 12) & 0xf; | |
2283 | rd1 = (insn >> 0) & 0xf; | |
2284 | if (rd0 == 0xf || rd1 == 0xf) | |
2285 | return 1; | |
2286 | gen_op_iwmmxt_movq_M0_wRn(wrd); | |
da6b5335 FN |
2287 | tmp = load_reg(s, rd0); |
2288 | tmp2 = load_reg(s, rd1); | |
18c9b560 AZ |
2289 | switch ((insn >> 16) & 0xf) { |
2290 | case 0x0: /* TMIA */ | |
da6b5335 | 2291 | gen_helper_iwmmxt_muladdsl(cpu_M0, cpu_M0, tmp, tmp2); |
18c9b560 AZ |
2292 | break; |
2293 | case 0x8: /* TMIAPH */ | |
da6b5335 | 2294 | gen_helper_iwmmxt_muladdsw(cpu_M0, cpu_M0, tmp, tmp2); |
18c9b560 AZ |
2295 | break; |
2296 | case 0xc: case 0xd: case 0xe: case 0xf: /* TMIAxy */ | |
18c9b560 | 2297 | if (insn & (1 << 16)) |
da6b5335 | 2298 | tcg_gen_shri_i32(tmp, tmp, 16); |
18c9b560 | 2299 | if (insn & (1 << 17)) |
da6b5335 FN |
2300 | tcg_gen_shri_i32(tmp2, tmp2, 16); |
2301 | gen_helper_iwmmxt_muladdswl(cpu_M0, cpu_M0, tmp, tmp2); | |
18c9b560 AZ |
2302 | break; |
2303 | default: | |
7d1b0095 PM |
2304 | tcg_temp_free_i32(tmp2); |
2305 | tcg_temp_free_i32(tmp); | |
18c9b560 AZ |
2306 | return 1; |
2307 | } | |
7d1b0095 PM |
2308 | tcg_temp_free_i32(tmp2); |
2309 | tcg_temp_free_i32(tmp); | |
18c9b560 AZ |
2310 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2311 | gen_op_iwmmxt_set_mup(); | |
2312 | break; | |
2313 | default: | |
2314 | return 1; | |
2315 | } | |
2316 | ||
2317 | return 0; | |
2318 | } | |
2319 | ||
2320 | /* Disassemble an XScale DSP instruction. Returns nonzero if an error occured | |
2321 | (ie. an undefined instruction). */ | |
2322 | static int disas_dsp_insn(CPUState *env, DisasContext *s, uint32_t insn) | |
2323 | { | |
2324 | int acc, rd0, rd1, rdhi, rdlo; | |
3a554c0f | 2325 | TCGv tmp, tmp2; |
18c9b560 AZ |
2326 | |
2327 | if ((insn & 0x0ff00f10) == 0x0e200010) { | |
2328 | /* Multiply with Internal Accumulate Format */ | |
2329 | rd0 = (insn >> 12) & 0xf; | |
2330 | rd1 = insn & 0xf; | |
2331 | acc = (insn >> 5) & 7; | |
2332 | ||
2333 | if (acc != 0) | |
2334 | return 1; | |
2335 | ||
3a554c0f FN |
2336 | tmp = load_reg(s, rd0); |
2337 | tmp2 = load_reg(s, rd1); | |
18c9b560 AZ |
2338 | switch ((insn >> 16) & 0xf) { |
2339 | case 0x0: /* MIA */ | |
3a554c0f | 2340 | gen_helper_iwmmxt_muladdsl(cpu_M0, cpu_M0, tmp, tmp2); |
18c9b560 AZ |
2341 | break; |
2342 | case 0x8: /* MIAPH */ | |
3a554c0f | 2343 | gen_helper_iwmmxt_muladdsw(cpu_M0, cpu_M0, tmp, tmp2); |
18c9b560 AZ |
2344 | break; |
2345 | case 0xc: /* MIABB */ | |
2346 | case 0xd: /* MIABT */ | |
2347 | case 0xe: /* MIATB */ | |
2348 | case 0xf: /* MIATT */ | |
18c9b560 | 2349 | if (insn & (1 << 16)) |
3a554c0f | 2350 | tcg_gen_shri_i32(tmp, tmp, 16); |
18c9b560 | 2351 | if (insn & (1 << 17)) |
3a554c0f FN |
2352 | tcg_gen_shri_i32(tmp2, tmp2, 16); |
2353 | gen_helper_iwmmxt_muladdswl(cpu_M0, cpu_M0, tmp, tmp2); | |
18c9b560 AZ |
2354 | break; |
2355 | default: | |
2356 | return 1; | |
2357 | } | |
7d1b0095 PM |
2358 | tcg_temp_free_i32(tmp2); |
2359 | tcg_temp_free_i32(tmp); | |
18c9b560 AZ |
2360 | |
2361 | gen_op_iwmmxt_movq_wRn_M0(acc); | |
2362 | return 0; | |
2363 | } | |
2364 | ||
2365 | if ((insn & 0x0fe00ff8) == 0x0c400000) { | |
2366 | /* Internal Accumulator Access Format */ | |
2367 | rdhi = (insn >> 16) & 0xf; | |
2368 | rdlo = (insn >> 12) & 0xf; | |
2369 | acc = insn & 7; | |
2370 | ||
2371 | if (acc != 0) | |
2372 | return 1; | |
2373 | ||
2374 | if (insn & ARM_CP_RW_BIT) { /* MRA */ | |
3a554c0f FN |
2375 | iwmmxt_load_reg(cpu_V0, acc); |
2376 | tcg_gen_trunc_i64_i32(cpu_R[rdlo], cpu_V0); | |
2377 | tcg_gen_shri_i64(cpu_V0, cpu_V0, 32); | |
2378 | tcg_gen_trunc_i64_i32(cpu_R[rdhi], cpu_V0); | |
2379 | tcg_gen_andi_i32(cpu_R[rdhi], cpu_R[rdhi], (1 << (40 - 32)) - 1); | |
18c9b560 | 2380 | } else { /* MAR */ |
3a554c0f FN |
2381 | tcg_gen_concat_i32_i64(cpu_V0, cpu_R[rdlo], cpu_R[rdhi]); |
2382 | iwmmxt_store_reg(cpu_V0, acc); | |
18c9b560 AZ |
2383 | } |
2384 | return 0; | |
2385 | } | |
2386 | ||
2387 | return 1; | |
2388 | } | |
2389 | ||
c1713132 AZ |
2390 | /* Disassemble system coprocessor instruction. Return nonzero if |
2391 | instruction is not defined. */ | |
2392 | static int disas_cp_insn(CPUState *env, DisasContext *s, uint32_t insn) | |
2393 | { | |
b75263d6 | 2394 | TCGv tmp, tmp2; |
c1713132 AZ |
2395 | uint32_t rd = (insn >> 12) & 0xf; |
2396 | uint32_t cp = (insn >> 8) & 0xf; | |
2397 | if (IS_USER(s)) { | |
2398 | return 1; | |
2399 | } | |
2400 | ||
18c9b560 | 2401 | if (insn & ARM_CP_RW_BIT) { |
c1713132 AZ |
2402 | if (!env->cp[cp].cp_read) |
2403 | return 1; | |
8984bd2e | 2404 | gen_set_pc_im(s->pc); |
7d1b0095 | 2405 | tmp = tcg_temp_new_i32(); |
b75263d6 JR |
2406 | tmp2 = tcg_const_i32(insn); |
2407 | gen_helper_get_cp(tmp, cpu_env, tmp2); | |
2408 | tcg_temp_free(tmp2); | |
8984bd2e | 2409 | store_reg(s, rd, tmp); |
c1713132 AZ |
2410 | } else { |
2411 | if (!env->cp[cp].cp_write) | |
2412 | return 1; | |
8984bd2e PB |
2413 | gen_set_pc_im(s->pc); |
2414 | tmp = load_reg(s, rd); | |
b75263d6 JR |
2415 | tmp2 = tcg_const_i32(insn); |
2416 | gen_helper_set_cp(cpu_env, tmp2, tmp); | |
2417 | tcg_temp_free(tmp2); | |
7d1b0095 | 2418 | tcg_temp_free_i32(tmp); |
c1713132 AZ |
2419 | } |
2420 | return 0; | |
2421 | } | |
2422 | ||
9ee6e8bb PB |
2423 | static int cp15_user_ok(uint32_t insn) |
2424 | { | |
2425 | int cpn = (insn >> 16) & 0xf; | |
2426 | int cpm = insn & 0xf; | |
2427 | int op = ((insn >> 5) & 7) | ((insn >> 18) & 0x38); | |
2428 | ||
2429 | if (cpn == 13 && cpm == 0) { | |
2430 | /* TLS register. */ | |
2431 | if (op == 2 || (op == 3 && (insn & ARM_CP_RW_BIT))) | |
2432 | return 1; | |
2433 | } | |
2434 | if (cpn == 7) { | |
2435 | /* ISB, DSB, DMB. */ | |
2436 | if ((cpm == 5 && op == 4) | |
2437 | || (cpm == 10 && (op == 4 || op == 5))) | |
2438 | return 1; | |
2439 | } | |
2440 | return 0; | |
2441 | } | |
2442 | ||
3f26c122 RV |
2443 | static int cp15_tls_load_store(CPUState *env, DisasContext *s, uint32_t insn, uint32_t rd) |
2444 | { | |
2445 | TCGv tmp; | |
2446 | int cpn = (insn >> 16) & 0xf; | |
2447 | int cpm = insn & 0xf; | |
2448 | int op = ((insn >> 5) & 7) | ((insn >> 18) & 0x38); | |
2449 | ||
2450 | if (!arm_feature(env, ARM_FEATURE_V6K)) | |
2451 | return 0; | |
2452 | ||
2453 | if (!(cpn == 13 && cpm == 0)) | |
2454 | return 0; | |
2455 | ||
2456 | if (insn & ARM_CP_RW_BIT) { | |
3f26c122 RV |
2457 | switch (op) { |
2458 | case 2: | |
c5883be2 | 2459 | tmp = load_cpu_field(cp15.c13_tls1); |
3f26c122 RV |
2460 | break; |
2461 | case 3: | |
c5883be2 | 2462 | tmp = load_cpu_field(cp15.c13_tls2); |
3f26c122 RV |
2463 | break; |
2464 | case 4: | |
c5883be2 | 2465 | tmp = load_cpu_field(cp15.c13_tls3); |
3f26c122 RV |
2466 | break; |
2467 | default: | |
3f26c122 RV |
2468 | return 0; |
2469 | } | |
2470 | store_reg(s, rd, tmp); | |
2471 | ||
2472 | } else { | |
2473 | tmp = load_reg(s, rd); | |
2474 | switch (op) { | |
2475 | case 2: | |
c5883be2 | 2476 | store_cpu_field(tmp, cp15.c13_tls1); |
3f26c122 RV |
2477 | break; |
2478 | case 3: | |
c5883be2 | 2479 | store_cpu_field(tmp, cp15.c13_tls2); |
3f26c122 RV |
2480 | break; |
2481 | case 4: | |
c5883be2 | 2482 | store_cpu_field(tmp, cp15.c13_tls3); |
3f26c122 RV |
2483 | break; |
2484 | default: | |
7d1b0095 | 2485 | tcg_temp_free_i32(tmp); |
3f26c122 RV |
2486 | return 0; |
2487 | } | |
3f26c122 RV |
2488 | } |
2489 | return 1; | |
2490 | } | |
2491 | ||
b5ff1b31 FB |
2492 | /* Disassemble system coprocessor (cp15) instruction. Return nonzero if |
2493 | instruction is not defined. */ | |
a90b7318 | 2494 | static int disas_cp15_insn(CPUState *env, DisasContext *s, uint32_t insn) |
b5ff1b31 FB |
2495 | { |
2496 | uint32_t rd; | |
b75263d6 | 2497 | TCGv tmp, tmp2; |
b5ff1b31 | 2498 | |
9ee6e8bb PB |
2499 | /* M profile cores use memory mapped registers instead of cp15. */ |
2500 | if (arm_feature(env, ARM_FEATURE_M)) | |
2501 | return 1; | |
2502 | ||
2503 | if ((insn & (1 << 25)) == 0) { | |
2504 | if (insn & (1 << 20)) { | |
2505 | /* mrrc */ | |
2506 | return 1; | |
2507 | } | |
2508 | /* mcrr. Used for block cache operations, so implement as no-op. */ | |
2509 | return 0; | |
2510 | } | |
2511 | if ((insn & (1 << 4)) == 0) { | |
2512 | /* cdp */ | |
2513 | return 1; | |
2514 | } | |
2515 | if (IS_USER(s) && !cp15_user_ok(insn)) { | |
b5ff1b31 FB |
2516 | return 1; |
2517 | } | |
cc688901 PM |
2518 | |
2519 | /* Pre-v7 versions of the architecture implemented WFI via coprocessor | |
2520 | * instructions rather than a separate instruction. | |
2521 | */ | |
2522 | if ((insn & 0x0fff0fff) == 0x0e070f90) { | |
2523 | /* 0,c7,c0,4: Standard v6 WFI (also used in some pre-v6 cores). | |
2524 | * In v7, this must NOP. | |
2525 | */ | |
2526 | if (!arm_feature(env, ARM_FEATURE_V7)) { | |
2527 | /* Wait for interrupt. */ | |
2528 | gen_set_pc_im(s->pc); | |
2529 | s->is_jmp = DISAS_WFI; | |
2530 | } | |
9332f9da FB |
2531 | return 0; |
2532 | } | |
cc688901 PM |
2533 | |
2534 | if ((insn & 0x0fff0fff) == 0x0e070f58) { | |
2535 | /* 0,c7,c8,2: Not all pre-v6 cores implemented this WFI, | |
2536 | * so this is slightly over-broad. | |
2537 | */ | |
2538 | if (!arm_feature(env, ARM_FEATURE_V6)) { | |
2539 | /* Wait for interrupt. */ | |
2540 | gen_set_pc_im(s->pc); | |
2541 | s->is_jmp = DISAS_WFI; | |
2542 | return 0; | |
2543 | } | |
2544 | /* Otherwise fall through to handle via helper function. | |
2545 | * In particular, on v7 and some v6 cores this is one of | |
2546 | * the VA-PA registers. | |
2547 | */ | |
2548 | } | |
2549 | ||
b5ff1b31 | 2550 | rd = (insn >> 12) & 0xf; |
3f26c122 RV |
2551 | |
2552 | if (cp15_tls_load_store(env, s, insn, rd)) | |
2553 | return 0; | |
2554 | ||
b75263d6 | 2555 | tmp2 = tcg_const_i32(insn); |
18c9b560 | 2556 | if (insn & ARM_CP_RW_BIT) { |
7d1b0095 | 2557 | tmp = tcg_temp_new_i32(); |
b75263d6 | 2558 | gen_helper_get_cp15(tmp, cpu_env, tmp2); |
b5ff1b31 FB |
2559 | /* If the destination register is r15 then sets condition codes. */ |
2560 | if (rd != 15) | |
8984bd2e PB |
2561 | store_reg(s, rd, tmp); |
2562 | else | |
7d1b0095 | 2563 | tcg_temp_free_i32(tmp); |
b5ff1b31 | 2564 | } else { |
8984bd2e | 2565 | tmp = load_reg(s, rd); |
b75263d6 | 2566 | gen_helper_set_cp15(cpu_env, tmp2, tmp); |
7d1b0095 | 2567 | tcg_temp_free_i32(tmp); |
a90b7318 AZ |
2568 | /* Normally we would always end the TB here, but Linux |
2569 | * arch/arm/mach-pxa/sleep.S expects two instructions following | |
2570 | * an MMU enable to execute from cache. Imitate this behaviour. */ | |
2571 | if (!arm_feature(env, ARM_FEATURE_XSCALE) || | |
2572 | (insn & 0x0fff0fff) != 0x0e010f10) | |
2573 | gen_lookup_tb(s); | |
b5ff1b31 | 2574 | } |
b75263d6 | 2575 | tcg_temp_free_i32(tmp2); |
b5ff1b31 FB |
2576 | return 0; |
2577 | } | |
2578 | ||
9ee6e8bb PB |
2579 | #define VFP_REG_SHR(x, n) (((n) > 0) ? (x) >> (n) : (x) << -(n)) |
2580 | #define VFP_SREG(insn, bigbit, smallbit) \ | |
2581 | ((VFP_REG_SHR(insn, bigbit - 1) & 0x1e) | (((insn) >> (smallbit)) & 1)) | |
2582 | #define VFP_DREG(reg, insn, bigbit, smallbit) do { \ | |
2583 | if (arm_feature(env, ARM_FEATURE_VFP3)) { \ | |
2584 | reg = (((insn) >> (bigbit)) & 0x0f) \ | |
2585 | | (((insn) >> ((smallbit) - 4)) & 0x10); \ | |
2586 | } else { \ | |
2587 | if (insn & (1 << (smallbit))) \ | |
2588 | return 1; \ | |
2589 | reg = ((insn) >> (bigbit)) & 0x0f; \ | |
2590 | }} while (0) | |
2591 | ||
2592 | #define VFP_SREG_D(insn) VFP_SREG(insn, 12, 22) | |
2593 | #define VFP_DREG_D(reg, insn) VFP_DREG(reg, insn, 12, 22) | |
2594 | #define VFP_SREG_N(insn) VFP_SREG(insn, 16, 7) | |
2595 | #define VFP_DREG_N(reg, insn) VFP_DREG(reg, insn, 16, 7) | |
2596 | #define VFP_SREG_M(insn) VFP_SREG(insn, 0, 5) | |
2597 | #define VFP_DREG_M(reg, insn) VFP_DREG(reg, insn, 0, 5) | |
2598 | ||
4373f3ce PB |
2599 | /* Move between integer and VFP cores. */ |
2600 | static TCGv gen_vfp_mrs(void) | |
2601 | { | |
7d1b0095 | 2602 | TCGv tmp = tcg_temp_new_i32(); |
4373f3ce PB |
2603 | tcg_gen_mov_i32(tmp, cpu_F0s); |
2604 | return tmp; | |
2605 | } | |
2606 | ||
2607 | static void gen_vfp_msr(TCGv tmp) | |
2608 | { | |
2609 | tcg_gen_mov_i32(cpu_F0s, tmp); | |
7d1b0095 | 2610 | tcg_temp_free_i32(tmp); |
4373f3ce PB |
2611 | } |
2612 | ||
ad69471c PB |
2613 | static void gen_neon_dup_u8(TCGv var, int shift) |
2614 | { | |
7d1b0095 | 2615 | TCGv tmp = tcg_temp_new_i32(); |
ad69471c PB |
2616 | if (shift) |
2617 | tcg_gen_shri_i32(var, var, shift); | |
86831435 | 2618 | tcg_gen_ext8u_i32(var, var); |
ad69471c PB |
2619 | tcg_gen_shli_i32(tmp, var, 8); |
2620 | tcg_gen_or_i32(var, var, tmp); | |
2621 | tcg_gen_shli_i32(tmp, var, 16); | |
2622 | tcg_gen_or_i32(var, var, tmp); | |
7d1b0095 | 2623 | tcg_temp_free_i32(tmp); |
ad69471c PB |
2624 | } |
2625 | ||
2626 | static void gen_neon_dup_low16(TCGv var) | |
2627 | { | |
7d1b0095 | 2628 | TCGv tmp = tcg_temp_new_i32(); |
86831435 | 2629 | tcg_gen_ext16u_i32(var, var); |
ad69471c PB |
2630 | tcg_gen_shli_i32(tmp, var, 16); |
2631 | tcg_gen_or_i32(var, var, tmp); | |
7d1b0095 | 2632 | tcg_temp_free_i32(tmp); |
ad69471c PB |
2633 | } |
2634 | ||
2635 | static void gen_neon_dup_high16(TCGv var) | |
2636 | { | |
7d1b0095 | 2637 | TCGv tmp = tcg_temp_new_i32(); |
ad69471c PB |
2638 | tcg_gen_andi_i32(var, var, 0xffff0000); |
2639 | tcg_gen_shri_i32(tmp, var, 16); | |
2640 | tcg_gen_or_i32(var, var, tmp); | |
7d1b0095 | 2641 | tcg_temp_free_i32(tmp); |
ad69471c PB |
2642 | } |
2643 | ||
8e18cde3 PM |
2644 | static TCGv gen_load_and_replicate(DisasContext *s, TCGv addr, int size) |
2645 | { | |
2646 | /* Load a single Neon element and replicate into a 32 bit TCG reg */ | |
2647 | TCGv tmp; | |
2648 | switch (size) { | |
2649 | case 0: | |
2650 | tmp = gen_ld8u(addr, IS_USER(s)); | |
2651 | gen_neon_dup_u8(tmp, 0); | |
2652 | break; | |
2653 | case 1: | |
2654 | tmp = gen_ld16u(addr, IS_USER(s)); | |
2655 | gen_neon_dup_low16(tmp); | |
2656 | break; | |
2657 | case 2: | |
2658 | tmp = gen_ld32(addr, IS_USER(s)); | |
2659 | break; | |
2660 | default: /* Avoid compiler warnings. */ | |
2661 | abort(); | |
2662 | } | |
2663 | return tmp; | |
2664 | } | |
2665 | ||
b7bcbe95 FB |
2666 | /* Disassemble a VFP instruction. Returns nonzero if an error occured |
2667 | (ie. an undefined instruction). */ | |
2668 | static int disas_vfp_insn(CPUState * env, DisasContext *s, uint32_t insn) | |
2669 | { | |
2670 | uint32_t rd, rn, rm, op, i, n, offset, delta_d, delta_m, bank_mask; | |
2671 | int dp, veclen; | |
312eea9f | 2672 | TCGv addr; |
4373f3ce | 2673 | TCGv tmp; |
ad69471c | 2674 | TCGv tmp2; |
b7bcbe95 | 2675 | |
40f137e1 PB |
2676 | if (!arm_feature(env, ARM_FEATURE_VFP)) |
2677 | return 1; | |
2678 | ||
5df8bac1 | 2679 | if (!s->vfp_enabled) { |
9ee6e8bb | 2680 | /* VFP disabled. Only allow fmxr/fmrx to/from some control regs. */ |
40f137e1 PB |
2681 | if ((insn & 0x0fe00fff) != 0x0ee00a10) |
2682 | return 1; | |
2683 | rn = (insn >> 16) & 0xf; | |
9ee6e8bb PB |
2684 | if (rn != ARM_VFP_FPSID && rn != ARM_VFP_FPEXC |
2685 | && rn != ARM_VFP_MVFR1 && rn != ARM_VFP_MVFR0) | |
40f137e1 PB |
2686 | return 1; |
2687 | } | |
b7bcbe95 FB |
2688 | dp = ((insn & 0xf00) == 0xb00); |
2689 | switch ((insn >> 24) & 0xf) { | |
2690 | case 0xe: | |
2691 | if (insn & (1 << 4)) { | |
2692 | /* single register transfer */ | |
b7bcbe95 FB |
2693 | rd = (insn >> 12) & 0xf; |
2694 | if (dp) { | |
9ee6e8bb PB |
2695 | int size; |
2696 | int pass; | |
2697 | ||
2698 | VFP_DREG_N(rn, insn); | |
2699 | if (insn & 0xf) | |
b7bcbe95 | 2700 | return 1; |
9ee6e8bb PB |
2701 | if (insn & 0x00c00060 |
2702 | && !arm_feature(env, ARM_FEATURE_NEON)) | |
2703 | return 1; | |
2704 | ||
2705 | pass = (insn >> 21) & 1; | |
2706 | if (insn & (1 << 22)) { | |
2707 | size = 0; | |
2708 | offset = ((insn >> 5) & 3) * 8; | |
2709 | } else if (insn & (1 << 5)) { | |
2710 | size = 1; | |
2711 | offset = (insn & (1 << 6)) ? 16 : 0; | |
2712 | } else { | |
2713 | size = 2; | |
2714 | offset = 0; | |
2715 | } | |
18c9b560 | 2716 | if (insn & ARM_CP_RW_BIT) { |
b7bcbe95 | 2717 | /* vfp->arm */ |
ad69471c | 2718 | tmp = neon_load_reg(rn, pass); |
9ee6e8bb PB |
2719 | switch (size) { |
2720 | case 0: | |
9ee6e8bb | 2721 | if (offset) |
ad69471c | 2722 | tcg_gen_shri_i32(tmp, tmp, offset); |
9ee6e8bb | 2723 | if (insn & (1 << 23)) |
ad69471c | 2724 | gen_uxtb(tmp); |
9ee6e8bb | 2725 | else |
ad69471c | 2726 | gen_sxtb(tmp); |
9ee6e8bb PB |
2727 | break; |
2728 | case 1: | |
9ee6e8bb PB |
2729 | if (insn & (1 << 23)) { |
2730 | if (offset) { | |
ad69471c | 2731 | tcg_gen_shri_i32(tmp, tmp, 16); |
9ee6e8bb | 2732 | } else { |
ad69471c | 2733 | gen_uxth(tmp); |
9ee6e8bb PB |
2734 | } |
2735 | } else { | |
2736 | if (offset) { | |
ad69471c | 2737 | tcg_gen_sari_i32(tmp, tmp, 16); |
9ee6e8bb | 2738 | } else { |
ad69471c | 2739 | gen_sxth(tmp); |
9ee6e8bb PB |
2740 | } |
2741 | } | |
2742 | break; | |
2743 | case 2: | |
9ee6e8bb PB |
2744 | break; |
2745 | } | |
ad69471c | 2746 | store_reg(s, rd, tmp); |
b7bcbe95 FB |
2747 | } else { |
2748 | /* arm->vfp */ | |
ad69471c | 2749 | tmp = load_reg(s, rd); |
9ee6e8bb PB |
2750 | if (insn & (1 << 23)) { |
2751 | /* VDUP */ | |
2752 | if (size == 0) { | |
ad69471c | 2753 | gen_neon_dup_u8(tmp, 0); |
9ee6e8bb | 2754 | } else if (size == 1) { |
ad69471c | 2755 | gen_neon_dup_low16(tmp); |
9ee6e8bb | 2756 | } |
cbbccffc | 2757 | for (n = 0; n <= pass * 2; n++) { |
7d1b0095 | 2758 | tmp2 = tcg_temp_new_i32(); |
cbbccffc PB |
2759 | tcg_gen_mov_i32(tmp2, tmp); |
2760 | neon_store_reg(rn, n, tmp2); | |
2761 | } | |
2762 | neon_store_reg(rn, n, tmp); | |
9ee6e8bb PB |
2763 | } else { |
2764 | /* VMOV */ | |
2765 | switch (size) { | |
2766 | case 0: | |
ad69471c PB |
2767 | tmp2 = neon_load_reg(rn, pass); |
2768 | gen_bfi(tmp, tmp2, tmp, offset, 0xff); | |
7d1b0095 | 2769 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
2770 | break; |
2771 | case 1: | |
ad69471c PB |
2772 | tmp2 = neon_load_reg(rn, pass); |
2773 | gen_bfi(tmp, tmp2, tmp, offset, 0xffff); | |
7d1b0095 | 2774 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
2775 | break; |
2776 | case 2: | |
9ee6e8bb PB |
2777 | break; |
2778 | } | |
ad69471c | 2779 | neon_store_reg(rn, pass, tmp); |
9ee6e8bb | 2780 | } |
b7bcbe95 | 2781 | } |
9ee6e8bb PB |
2782 | } else { /* !dp */ |
2783 | if ((insn & 0x6f) != 0x00) | |
2784 | return 1; | |
2785 | rn = VFP_SREG_N(insn); | |
18c9b560 | 2786 | if (insn & ARM_CP_RW_BIT) { |
b7bcbe95 FB |
2787 | /* vfp->arm */ |
2788 | if (insn & (1 << 21)) { | |
2789 | /* system register */ | |
40f137e1 | 2790 | rn >>= 1; |
9ee6e8bb | 2791 | |
b7bcbe95 | 2792 | switch (rn) { |
40f137e1 | 2793 | case ARM_VFP_FPSID: |
4373f3ce | 2794 | /* VFP2 allows access to FSID from userspace. |
9ee6e8bb PB |
2795 | VFP3 restricts all id registers to privileged |
2796 | accesses. */ | |
2797 | if (IS_USER(s) | |
2798 | && arm_feature(env, ARM_FEATURE_VFP3)) | |
2799 | return 1; | |
4373f3ce | 2800 | tmp = load_cpu_field(vfp.xregs[rn]); |
9ee6e8bb | 2801 | break; |
40f137e1 | 2802 | case ARM_VFP_FPEXC: |
9ee6e8bb PB |
2803 | if (IS_USER(s)) |
2804 | return 1; | |
4373f3ce | 2805 | tmp = load_cpu_field(vfp.xregs[rn]); |
9ee6e8bb | 2806 | break; |
40f137e1 PB |
2807 | case ARM_VFP_FPINST: |
2808 | case ARM_VFP_FPINST2: | |
9ee6e8bb PB |
2809 | /* Not present in VFP3. */ |
2810 | if (IS_USER(s) | |
2811 | || arm_feature(env, ARM_FEATURE_VFP3)) | |
2812 | return 1; | |
4373f3ce | 2813 | tmp = load_cpu_field(vfp.xregs[rn]); |
b7bcbe95 | 2814 | break; |
40f137e1 | 2815 | case ARM_VFP_FPSCR: |
601d70b9 | 2816 | if (rd == 15) { |
4373f3ce PB |
2817 | tmp = load_cpu_field(vfp.xregs[ARM_VFP_FPSCR]); |
2818 | tcg_gen_andi_i32(tmp, tmp, 0xf0000000); | |
2819 | } else { | |
7d1b0095 | 2820 | tmp = tcg_temp_new_i32(); |
4373f3ce PB |
2821 | gen_helper_vfp_get_fpscr(tmp, cpu_env); |
2822 | } | |
b7bcbe95 | 2823 | break; |
9ee6e8bb PB |
2824 | case ARM_VFP_MVFR0: |
2825 | case ARM_VFP_MVFR1: | |
2826 | if (IS_USER(s) | |
2827 | || !arm_feature(env, ARM_FEATURE_VFP3)) | |
2828 | return 1; | |
4373f3ce | 2829 | tmp = load_cpu_field(vfp.xregs[rn]); |
9ee6e8bb | 2830 | break; |
b7bcbe95 FB |
2831 | default: |
2832 | return 1; | |
2833 | } | |
2834 | } else { | |
2835 | gen_mov_F0_vreg(0, rn); | |
4373f3ce | 2836 | tmp = gen_vfp_mrs(); |
b7bcbe95 FB |
2837 | } |
2838 | if (rd == 15) { | |
b5ff1b31 | 2839 | /* Set the 4 flag bits in the CPSR. */ |
4373f3ce | 2840 | gen_set_nzcv(tmp); |
7d1b0095 | 2841 | tcg_temp_free_i32(tmp); |
4373f3ce PB |
2842 | } else { |
2843 | store_reg(s, rd, tmp); | |
2844 | } | |
b7bcbe95 FB |
2845 | } else { |
2846 | /* arm->vfp */ | |
4373f3ce | 2847 | tmp = load_reg(s, rd); |
b7bcbe95 | 2848 | if (insn & (1 << 21)) { |
40f137e1 | 2849 | rn >>= 1; |
b7bcbe95 FB |
2850 | /* system register */ |
2851 | switch (rn) { | |
40f137e1 | 2852 | case ARM_VFP_FPSID: |
9ee6e8bb PB |
2853 | case ARM_VFP_MVFR0: |
2854 | case ARM_VFP_MVFR1: | |
b7bcbe95 FB |
2855 | /* Writes are ignored. */ |
2856 | break; | |
40f137e1 | 2857 | case ARM_VFP_FPSCR: |
4373f3ce | 2858 | gen_helper_vfp_set_fpscr(cpu_env, tmp); |
7d1b0095 | 2859 | tcg_temp_free_i32(tmp); |
b5ff1b31 | 2860 | gen_lookup_tb(s); |
b7bcbe95 | 2861 | break; |
40f137e1 | 2862 | case ARM_VFP_FPEXC: |
9ee6e8bb PB |
2863 | if (IS_USER(s)) |
2864 | return 1; | |
71b3c3de JR |
2865 | /* TODO: VFP subarchitecture support. |
2866 | * For now, keep the EN bit only */ | |
2867 | tcg_gen_andi_i32(tmp, tmp, 1 << 30); | |
4373f3ce | 2868 | store_cpu_field(tmp, vfp.xregs[rn]); |
40f137e1 PB |
2869 | gen_lookup_tb(s); |
2870 | break; | |
2871 | case ARM_VFP_FPINST: | |
2872 | case ARM_VFP_FPINST2: | |
4373f3ce | 2873 | store_cpu_field(tmp, vfp.xregs[rn]); |
40f137e1 | 2874 | break; |
b7bcbe95 FB |
2875 | default: |
2876 | return 1; | |
2877 | } | |
2878 | } else { | |
4373f3ce | 2879 | gen_vfp_msr(tmp); |
b7bcbe95 FB |
2880 | gen_mov_vreg_F0(0, rn); |
2881 | } | |
2882 | } | |
2883 | } | |
2884 | } else { | |
2885 | /* data processing */ | |
2886 | /* The opcode is in bits 23, 21, 20 and 6. */ | |
2887 | op = ((insn >> 20) & 8) | ((insn >> 19) & 6) | ((insn >> 6) & 1); | |
2888 | if (dp) { | |
2889 | if (op == 15) { | |
2890 | /* rn is opcode */ | |
2891 | rn = ((insn >> 15) & 0x1e) | ((insn >> 7) & 1); | |
2892 | } else { | |
2893 | /* rn is register number */ | |
9ee6e8bb | 2894 | VFP_DREG_N(rn, insn); |
b7bcbe95 FB |
2895 | } |
2896 | ||
04595bf6 | 2897 | if (op == 15 && (rn == 15 || ((rn & 0x1c) == 0x18))) { |
b7bcbe95 | 2898 | /* Integer or single precision destination. */ |
9ee6e8bb | 2899 | rd = VFP_SREG_D(insn); |
b7bcbe95 | 2900 | } else { |
9ee6e8bb | 2901 | VFP_DREG_D(rd, insn); |
b7bcbe95 | 2902 | } |
04595bf6 PM |
2903 | if (op == 15 && |
2904 | (((rn & 0x1c) == 0x10) || ((rn & 0x14) == 0x14))) { | |
2905 | /* VCVT from int is always from S reg regardless of dp bit. | |
2906 | * VCVT with immediate frac_bits has same format as SREG_M | |
2907 | */ | |
2908 | rm = VFP_SREG_M(insn); | |
b7bcbe95 | 2909 | } else { |
9ee6e8bb | 2910 | VFP_DREG_M(rm, insn); |
b7bcbe95 FB |
2911 | } |
2912 | } else { | |
9ee6e8bb | 2913 | rn = VFP_SREG_N(insn); |
b7bcbe95 FB |
2914 | if (op == 15 && rn == 15) { |
2915 | /* Double precision destination. */ | |
9ee6e8bb PB |
2916 | VFP_DREG_D(rd, insn); |
2917 | } else { | |
2918 | rd = VFP_SREG_D(insn); | |
2919 | } | |
04595bf6 PM |
2920 | /* NB that we implicitly rely on the encoding for the frac_bits |
2921 | * in VCVT of fixed to float being the same as that of an SREG_M | |
2922 | */ | |
9ee6e8bb | 2923 | rm = VFP_SREG_M(insn); |
b7bcbe95 FB |
2924 | } |
2925 | ||
69d1fc22 | 2926 | veclen = s->vec_len; |
b7bcbe95 FB |
2927 | if (op == 15 && rn > 3) |
2928 | veclen = 0; | |
2929 | ||
2930 | /* Shut up compiler warnings. */ | |
2931 | delta_m = 0; | |
2932 | delta_d = 0; | |
2933 | bank_mask = 0; | |
3b46e624 | 2934 | |
b7bcbe95 FB |
2935 | if (veclen > 0) { |
2936 | if (dp) | |
2937 | bank_mask = 0xc; | |
2938 | else | |
2939 | bank_mask = 0x18; | |
2940 | ||
2941 | /* Figure out what type of vector operation this is. */ | |
2942 | if ((rd & bank_mask) == 0) { | |
2943 | /* scalar */ | |
2944 | veclen = 0; | |
2945 | } else { | |
2946 | if (dp) | |
69d1fc22 | 2947 | delta_d = (s->vec_stride >> 1) + 1; |
b7bcbe95 | 2948 | else |
69d1fc22 | 2949 | delta_d = s->vec_stride + 1; |
b7bcbe95 FB |
2950 | |
2951 | if ((rm & bank_mask) == 0) { | |
2952 | /* mixed scalar/vector */ | |
2953 | delta_m = 0; | |
2954 | } else { | |
2955 | /* vector */ | |
2956 | delta_m = delta_d; | |
2957 | } | |
2958 | } | |
2959 | } | |
2960 | ||
2961 | /* Load the initial operands. */ | |
2962 | if (op == 15) { | |
2963 | switch (rn) { | |
2964 | case 16: | |
2965 | case 17: | |
2966 | /* Integer source */ | |
2967 | gen_mov_F0_vreg(0, rm); | |
2968 | break; | |
2969 | case 8: | |
2970 | case 9: | |
2971 | /* Compare */ | |
2972 | gen_mov_F0_vreg(dp, rd); | |
2973 | gen_mov_F1_vreg(dp, rm); | |
2974 | break; | |
2975 | case 10: | |
2976 | case 11: | |
2977 | /* Compare with zero */ | |
2978 | gen_mov_F0_vreg(dp, rd); | |
2979 | gen_vfp_F1_ld0(dp); | |
2980 | break; | |
9ee6e8bb PB |
2981 | case 20: |
2982 | case 21: | |
2983 | case 22: | |
2984 | case 23: | |
644ad806 PB |
2985 | case 28: |
2986 | case 29: | |
2987 | case 30: | |
2988 | case 31: | |
9ee6e8bb PB |
2989 | /* Source and destination the same. */ |
2990 | gen_mov_F0_vreg(dp, rd); | |
2991 | break; | |
b7bcbe95 FB |
2992 | default: |
2993 | /* One source operand. */ | |
2994 | gen_mov_F0_vreg(dp, rm); | |
9ee6e8bb | 2995 | break; |
b7bcbe95 FB |
2996 | } |
2997 | } else { | |
2998 | /* Two source operands. */ | |
2999 | gen_mov_F0_vreg(dp, rn); | |
3000 | gen_mov_F1_vreg(dp, rm); | |
3001 | } | |
3002 | ||
3003 | for (;;) { | |
3004 | /* Perform the calculation. */ | |
3005 | switch (op) { | |
3006 | case 0: /* mac: fd + (fn * fm) */ | |
3007 | gen_vfp_mul(dp); | |
3008 | gen_mov_F1_vreg(dp, rd); | |
3009 | gen_vfp_add(dp); | |
3010 | break; | |
3011 | case 1: /* nmac: fd - (fn * fm) */ | |
3012 | gen_vfp_mul(dp); | |
3013 | gen_vfp_neg(dp); | |
3014 | gen_mov_F1_vreg(dp, rd); | |
3015 | gen_vfp_add(dp); | |
3016 | break; | |
3017 | case 2: /* msc: -fd + (fn * fm) */ | |
3018 | gen_vfp_mul(dp); | |
3019 | gen_mov_F1_vreg(dp, rd); | |
3020 | gen_vfp_sub(dp); | |
3021 | break; | |
3022 | case 3: /* nmsc: -fd - (fn * fm) */ | |
3023 | gen_vfp_mul(dp); | |
b7bcbe95 | 3024 | gen_vfp_neg(dp); |
c9fb531a PB |
3025 | gen_mov_F1_vreg(dp, rd); |
3026 | gen_vfp_sub(dp); | |
b7bcbe95 FB |
3027 | break; |
3028 | case 4: /* mul: fn * fm */ | |
3029 | gen_vfp_mul(dp); | |
3030 | break; | |
3031 | case 5: /* nmul: -(fn * fm) */ | |
3032 | gen_vfp_mul(dp); | |
3033 | gen_vfp_neg(dp); | |
3034 | break; | |
3035 | case 6: /* add: fn + fm */ | |
3036 | gen_vfp_add(dp); | |
3037 | break; | |
3038 | case 7: /* sub: fn - fm */ | |
3039 | gen_vfp_sub(dp); | |
3040 | break; | |
3041 | case 8: /* div: fn / fm */ | |
3042 | gen_vfp_div(dp); | |
3043 | break; | |
9ee6e8bb PB |
3044 | case 14: /* fconst */ |
3045 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3046 | return 1; | |
3047 | ||
3048 | n = (insn << 12) & 0x80000000; | |
3049 | i = ((insn >> 12) & 0x70) | (insn & 0xf); | |
3050 | if (dp) { | |
3051 | if (i & 0x40) | |
3052 | i |= 0x3f80; | |
3053 | else | |
3054 | i |= 0x4000; | |
3055 | n |= i << 16; | |
4373f3ce | 3056 | tcg_gen_movi_i64(cpu_F0d, ((uint64_t)n) << 32); |
9ee6e8bb PB |
3057 | } else { |
3058 | if (i & 0x40) | |
3059 | i |= 0x780; | |
3060 | else | |
3061 | i |= 0x800; | |
3062 | n |= i << 19; | |
5b340b51 | 3063 | tcg_gen_movi_i32(cpu_F0s, n); |
9ee6e8bb | 3064 | } |
9ee6e8bb | 3065 | break; |
b7bcbe95 FB |
3066 | case 15: /* extension space */ |
3067 | switch (rn) { | |
3068 | case 0: /* cpy */ | |
3069 | /* no-op */ | |
3070 | break; | |
3071 | case 1: /* abs */ | |
3072 | gen_vfp_abs(dp); | |
3073 | break; | |
3074 | case 2: /* neg */ | |
3075 | gen_vfp_neg(dp); | |
3076 | break; | |
3077 | case 3: /* sqrt */ | |
3078 | gen_vfp_sqrt(dp); | |
3079 | break; | |
60011498 PB |
3080 | case 4: /* vcvtb.f32.f16 */ |
3081 | if (!arm_feature(env, ARM_FEATURE_VFP_FP16)) | |
3082 | return 1; | |
3083 | tmp = gen_vfp_mrs(); | |
3084 | tcg_gen_ext16u_i32(tmp, tmp); | |
3085 | gen_helper_vfp_fcvt_f16_to_f32(cpu_F0s, tmp, cpu_env); | |
7d1b0095 | 3086 | tcg_temp_free_i32(tmp); |
60011498 PB |
3087 | break; |
3088 | case 5: /* vcvtt.f32.f16 */ | |
3089 | if (!arm_feature(env, ARM_FEATURE_VFP_FP16)) | |
3090 | return 1; | |
3091 | tmp = gen_vfp_mrs(); | |
3092 | tcg_gen_shri_i32(tmp, tmp, 16); | |
3093 | gen_helper_vfp_fcvt_f16_to_f32(cpu_F0s, tmp, cpu_env); | |
7d1b0095 | 3094 | tcg_temp_free_i32(tmp); |
60011498 PB |
3095 | break; |
3096 | case 6: /* vcvtb.f16.f32 */ | |
3097 | if (!arm_feature(env, ARM_FEATURE_VFP_FP16)) | |
3098 | return 1; | |
7d1b0095 | 3099 | tmp = tcg_temp_new_i32(); |
60011498 PB |
3100 | gen_helper_vfp_fcvt_f32_to_f16(tmp, cpu_F0s, cpu_env); |
3101 | gen_mov_F0_vreg(0, rd); | |
3102 | tmp2 = gen_vfp_mrs(); | |
3103 | tcg_gen_andi_i32(tmp2, tmp2, 0xffff0000); | |
3104 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
7d1b0095 | 3105 | tcg_temp_free_i32(tmp2); |
60011498 PB |
3106 | gen_vfp_msr(tmp); |
3107 | break; | |
3108 | case 7: /* vcvtt.f16.f32 */ | |
3109 | if (!arm_feature(env, ARM_FEATURE_VFP_FP16)) | |
3110 | return 1; | |
7d1b0095 | 3111 | tmp = tcg_temp_new_i32(); |
60011498 PB |
3112 | gen_helper_vfp_fcvt_f32_to_f16(tmp, cpu_F0s, cpu_env); |
3113 | tcg_gen_shli_i32(tmp, tmp, 16); | |
3114 | gen_mov_F0_vreg(0, rd); | |
3115 | tmp2 = gen_vfp_mrs(); | |
3116 | tcg_gen_ext16u_i32(tmp2, tmp2); | |
3117 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
7d1b0095 | 3118 | tcg_temp_free_i32(tmp2); |
60011498 PB |
3119 | gen_vfp_msr(tmp); |
3120 | break; | |
b7bcbe95 FB |
3121 | case 8: /* cmp */ |
3122 | gen_vfp_cmp(dp); | |
3123 | break; | |
3124 | case 9: /* cmpe */ | |
3125 | gen_vfp_cmpe(dp); | |
3126 | break; | |
3127 | case 10: /* cmpz */ | |
3128 | gen_vfp_cmp(dp); | |
3129 | break; | |
3130 | case 11: /* cmpez */ | |
3131 | gen_vfp_F1_ld0(dp); | |
3132 | gen_vfp_cmpe(dp); | |
3133 | break; | |
3134 | case 15: /* single<->double conversion */ | |
3135 | if (dp) | |
4373f3ce | 3136 | gen_helper_vfp_fcvtsd(cpu_F0s, cpu_F0d, cpu_env); |
b7bcbe95 | 3137 | else |
4373f3ce | 3138 | gen_helper_vfp_fcvtds(cpu_F0d, cpu_F0s, cpu_env); |
b7bcbe95 FB |
3139 | break; |
3140 | case 16: /* fuito */ | |
3141 | gen_vfp_uito(dp); | |
3142 | break; | |
3143 | case 17: /* fsito */ | |
3144 | gen_vfp_sito(dp); | |
3145 | break; | |
9ee6e8bb PB |
3146 | case 20: /* fshto */ |
3147 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3148 | return 1; | |
644ad806 | 3149 | gen_vfp_shto(dp, 16 - rm); |
9ee6e8bb PB |
3150 | break; |
3151 | case 21: /* fslto */ | |
3152 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3153 | return 1; | |
644ad806 | 3154 | gen_vfp_slto(dp, 32 - rm); |
9ee6e8bb PB |
3155 | break; |
3156 | case 22: /* fuhto */ | |
3157 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3158 | return 1; | |
644ad806 | 3159 | gen_vfp_uhto(dp, 16 - rm); |
9ee6e8bb PB |
3160 | break; |
3161 | case 23: /* fulto */ | |
3162 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3163 | return 1; | |
644ad806 | 3164 | gen_vfp_ulto(dp, 32 - rm); |
9ee6e8bb | 3165 | break; |
b7bcbe95 FB |
3166 | case 24: /* ftoui */ |
3167 | gen_vfp_toui(dp); | |
3168 | break; | |
3169 | case 25: /* ftouiz */ | |
3170 | gen_vfp_touiz(dp); | |
3171 | break; | |
3172 | case 26: /* ftosi */ | |
3173 | gen_vfp_tosi(dp); | |
3174 | break; | |
3175 | case 27: /* ftosiz */ | |
3176 | gen_vfp_tosiz(dp); | |
3177 | break; | |
9ee6e8bb PB |
3178 | case 28: /* ftosh */ |
3179 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3180 | return 1; | |
644ad806 | 3181 | gen_vfp_tosh(dp, 16 - rm); |
9ee6e8bb PB |
3182 | break; |
3183 | case 29: /* ftosl */ | |
3184 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3185 | return 1; | |
644ad806 | 3186 | gen_vfp_tosl(dp, 32 - rm); |
9ee6e8bb PB |
3187 | break; |
3188 | case 30: /* ftouh */ | |
3189 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3190 | return 1; | |
644ad806 | 3191 | gen_vfp_touh(dp, 16 - rm); |
9ee6e8bb PB |
3192 | break; |
3193 | case 31: /* ftoul */ | |
3194 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3195 | return 1; | |
644ad806 | 3196 | gen_vfp_toul(dp, 32 - rm); |
9ee6e8bb | 3197 | break; |
b7bcbe95 FB |
3198 | default: /* undefined */ |
3199 | printf ("rn:%d\n", rn); | |
3200 | return 1; | |
3201 | } | |
3202 | break; | |
3203 | default: /* undefined */ | |
3204 | printf ("op:%d\n", op); | |
3205 | return 1; | |
3206 | } | |
3207 | ||
3208 | /* Write back the result. */ | |
3209 | if (op == 15 && (rn >= 8 && rn <= 11)) | |
3210 | ; /* Comparison, do nothing. */ | |
04595bf6 PM |
3211 | else if (op == 15 && dp && ((rn & 0x1c) == 0x18)) |
3212 | /* VCVT double to int: always integer result. */ | |
b7bcbe95 FB |
3213 | gen_mov_vreg_F0(0, rd); |
3214 | else if (op == 15 && rn == 15) | |
3215 | /* conversion */ | |
3216 | gen_mov_vreg_F0(!dp, rd); | |
3217 | else | |
3218 | gen_mov_vreg_F0(dp, rd); | |
3219 | ||
3220 | /* break out of the loop if we have finished */ | |
3221 | if (veclen == 0) | |
3222 | break; | |
3223 | ||
3224 | if (op == 15 && delta_m == 0) { | |
3225 | /* single source one-many */ | |
3226 | while (veclen--) { | |
3227 | rd = ((rd + delta_d) & (bank_mask - 1)) | |
3228 | | (rd & bank_mask); | |
3229 | gen_mov_vreg_F0(dp, rd); | |
3230 | } | |
3231 | break; | |
3232 | } | |
3233 | /* Setup the next operands. */ | |
3234 | veclen--; | |
3235 | rd = ((rd + delta_d) & (bank_mask - 1)) | |
3236 | | (rd & bank_mask); | |
3237 | ||
3238 | if (op == 15) { | |
3239 | /* One source operand. */ | |
3240 | rm = ((rm + delta_m) & (bank_mask - 1)) | |
3241 | | (rm & bank_mask); | |
3242 | gen_mov_F0_vreg(dp, rm); | |
3243 | } else { | |
3244 | /* Two source operands. */ | |
3245 | rn = ((rn + delta_d) & (bank_mask - 1)) | |
3246 | | (rn & bank_mask); | |
3247 | gen_mov_F0_vreg(dp, rn); | |
3248 | if (delta_m) { | |
3249 | rm = ((rm + delta_m) & (bank_mask - 1)) | |
3250 | | (rm & bank_mask); | |
3251 | gen_mov_F1_vreg(dp, rm); | |
3252 | } | |
3253 | } | |
3254 | } | |
3255 | } | |
3256 | break; | |
3257 | case 0xc: | |
3258 | case 0xd: | |
8387da81 | 3259 | if ((insn & 0x03e00000) == 0x00400000) { |
b7bcbe95 FB |
3260 | /* two-register transfer */ |
3261 | rn = (insn >> 16) & 0xf; | |
3262 | rd = (insn >> 12) & 0xf; | |
3263 | if (dp) { | |
9ee6e8bb PB |
3264 | VFP_DREG_M(rm, insn); |
3265 | } else { | |
3266 | rm = VFP_SREG_M(insn); | |
3267 | } | |
b7bcbe95 | 3268 | |
18c9b560 | 3269 | if (insn & ARM_CP_RW_BIT) { |
b7bcbe95 FB |
3270 | /* vfp->arm */ |
3271 | if (dp) { | |
4373f3ce PB |
3272 | gen_mov_F0_vreg(0, rm * 2); |
3273 | tmp = gen_vfp_mrs(); | |
3274 | store_reg(s, rd, tmp); | |
3275 | gen_mov_F0_vreg(0, rm * 2 + 1); | |
3276 | tmp = gen_vfp_mrs(); | |
3277 | store_reg(s, rn, tmp); | |
b7bcbe95 FB |
3278 | } else { |
3279 | gen_mov_F0_vreg(0, rm); | |
4373f3ce | 3280 | tmp = gen_vfp_mrs(); |
8387da81 | 3281 | store_reg(s, rd, tmp); |
b7bcbe95 | 3282 | gen_mov_F0_vreg(0, rm + 1); |
4373f3ce | 3283 | tmp = gen_vfp_mrs(); |
8387da81 | 3284 | store_reg(s, rn, tmp); |
b7bcbe95 FB |
3285 | } |
3286 | } else { | |
3287 | /* arm->vfp */ | |
3288 | if (dp) { | |
4373f3ce PB |
3289 | tmp = load_reg(s, rd); |
3290 | gen_vfp_msr(tmp); | |
3291 | gen_mov_vreg_F0(0, rm * 2); | |
3292 | tmp = load_reg(s, rn); | |
3293 | gen_vfp_msr(tmp); | |
3294 | gen_mov_vreg_F0(0, rm * 2 + 1); | |
b7bcbe95 | 3295 | } else { |
8387da81 | 3296 | tmp = load_reg(s, rd); |
4373f3ce | 3297 | gen_vfp_msr(tmp); |
b7bcbe95 | 3298 | gen_mov_vreg_F0(0, rm); |
8387da81 | 3299 | tmp = load_reg(s, rn); |
4373f3ce | 3300 | gen_vfp_msr(tmp); |
b7bcbe95 FB |
3301 | gen_mov_vreg_F0(0, rm + 1); |
3302 | } | |
3303 | } | |
3304 | } else { | |
3305 | /* Load/store */ | |
3306 | rn = (insn >> 16) & 0xf; | |
3307 | if (dp) | |
9ee6e8bb | 3308 | VFP_DREG_D(rd, insn); |
b7bcbe95 | 3309 | else |
9ee6e8bb PB |
3310 | rd = VFP_SREG_D(insn); |
3311 | if (s->thumb && rn == 15) { | |
7d1b0095 | 3312 | addr = tcg_temp_new_i32(); |
312eea9f | 3313 | tcg_gen_movi_i32(addr, s->pc & ~2); |
9ee6e8bb | 3314 | } else { |
312eea9f | 3315 | addr = load_reg(s, rn); |
9ee6e8bb | 3316 | } |
b7bcbe95 FB |
3317 | if ((insn & 0x01200000) == 0x01000000) { |
3318 | /* Single load/store */ | |
3319 | offset = (insn & 0xff) << 2; | |
3320 | if ((insn & (1 << 23)) == 0) | |
3321 | offset = -offset; | |
312eea9f | 3322 | tcg_gen_addi_i32(addr, addr, offset); |
b7bcbe95 | 3323 | if (insn & (1 << 20)) { |
312eea9f | 3324 | gen_vfp_ld(s, dp, addr); |
b7bcbe95 FB |
3325 | gen_mov_vreg_F0(dp, rd); |
3326 | } else { | |
3327 | gen_mov_F0_vreg(dp, rd); | |
312eea9f | 3328 | gen_vfp_st(s, dp, addr); |
b7bcbe95 | 3329 | } |
7d1b0095 | 3330 | tcg_temp_free_i32(addr); |
b7bcbe95 FB |
3331 | } else { |
3332 | /* load/store multiple */ | |
3333 | if (dp) | |
3334 | n = (insn >> 1) & 0x7f; | |
3335 | else | |
3336 | n = insn & 0xff; | |
3337 | ||
3338 | if (insn & (1 << 24)) /* pre-decrement */ | |
312eea9f | 3339 | tcg_gen_addi_i32(addr, addr, -((insn & 0xff) << 2)); |
b7bcbe95 FB |
3340 | |
3341 | if (dp) | |
3342 | offset = 8; | |
3343 | else | |
3344 | offset = 4; | |
3345 | for (i = 0; i < n; i++) { | |
18c9b560 | 3346 | if (insn & ARM_CP_RW_BIT) { |
b7bcbe95 | 3347 | /* load */ |
312eea9f | 3348 | gen_vfp_ld(s, dp, addr); |
b7bcbe95 FB |
3349 | gen_mov_vreg_F0(dp, rd + i); |
3350 | } else { | |
3351 | /* store */ | |
3352 | gen_mov_F0_vreg(dp, rd + i); | |
312eea9f | 3353 | gen_vfp_st(s, dp, addr); |
b7bcbe95 | 3354 | } |
312eea9f | 3355 | tcg_gen_addi_i32(addr, addr, offset); |
b7bcbe95 FB |
3356 | } |
3357 | if (insn & (1 << 21)) { | |
3358 | /* writeback */ | |
3359 | if (insn & (1 << 24)) | |
3360 | offset = -offset * n; | |
3361 | else if (dp && (insn & 1)) | |
3362 | offset = 4; | |
3363 | else | |
3364 | offset = 0; | |
3365 | ||
3366 | if (offset != 0) | |
312eea9f FN |
3367 | tcg_gen_addi_i32(addr, addr, offset); |
3368 | store_reg(s, rn, addr); | |
3369 | } else { | |
7d1b0095 | 3370 | tcg_temp_free_i32(addr); |
b7bcbe95 FB |
3371 | } |
3372 | } | |
3373 | } | |
3374 | break; | |
3375 | default: | |
3376 | /* Should never happen. */ | |
3377 | return 1; | |
3378 | } | |
3379 | return 0; | |
3380 | } | |
3381 | ||
6e256c93 | 3382 | static inline void gen_goto_tb(DisasContext *s, int n, uint32_t dest) |
c53be334 | 3383 | { |
6e256c93 FB |
3384 | TranslationBlock *tb; |
3385 | ||
3386 | tb = s->tb; | |
3387 | if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) { | |
57fec1fe | 3388 | tcg_gen_goto_tb(n); |
8984bd2e | 3389 | gen_set_pc_im(dest); |
57fec1fe | 3390 | tcg_gen_exit_tb((long)tb + n); |
6e256c93 | 3391 | } else { |
8984bd2e | 3392 | gen_set_pc_im(dest); |
57fec1fe | 3393 | tcg_gen_exit_tb(0); |
6e256c93 | 3394 | } |
c53be334 FB |
3395 | } |
3396 | ||
8aaca4c0 FB |
3397 | static inline void gen_jmp (DisasContext *s, uint32_t dest) |
3398 | { | |
551bd27f | 3399 | if (unlikely(s->singlestep_enabled)) { |
8aaca4c0 | 3400 | /* An indirect jump so that we still trigger the debug exception. */ |
5899f386 | 3401 | if (s->thumb) |
d9ba4830 PB |
3402 | dest |= 1; |
3403 | gen_bx_im(s, dest); | |
8aaca4c0 | 3404 | } else { |
6e256c93 | 3405 | gen_goto_tb(s, 0, dest); |
8aaca4c0 FB |
3406 | s->is_jmp = DISAS_TB_JUMP; |
3407 | } | |
3408 | } | |
3409 | ||
d9ba4830 | 3410 | static inline void gen_mulxy(TCGv t0, TCGv t1, int x, int y) |
b5ff1b31 | 3411 | { |
ee097184 | 3412 | if (x) |
d9ba4830 | 3413 | tcg_gen_sari_i32(t0, t0, 16); |
b5ff1b31 | 3414 | else |
d9ba4830 | 3415 | gen_sxth(t0); |
ee097184 | 3416 | if (y) |
d9ba4830 | 3417 | tcg_gen_sari_i32(t1, t1, 16); |
b5ff1b31 | 3418 | else |
d9ba4830 PB |
3419 | gen_sxth(t1); |
3420 | tcg_gen_mul_i32(t0, t0, t1); | |
b5ff1b31 FB |
3421 | } |
3422 | ||
3423 | /* Return the mask of PSR bits set by a MSR instruction. */ | |
9ee6e8bb | 3424 | static uint32_t msr_mask(CPUState *env, DisasContext *s, int flags, int spsr) { |
b5ff1b31 FB |
3425 | uint32_t mask; |
3426 | ||
3427 | mask = 0; | |
3428 | if (flags & (1 << 0)) | |
3429 | mask |= 0xff; | |
3430 | if (flags & (1 << 1)) | |
3431 | mask |= 0xff00; | |
3432 | if (flags & (1 << 2)) | |
3433 | mask |= 0xff0000; | |
3434 | if (flags & (1 << 3)) | |
3435 | mask |= 0xff000000; | |
9ee6e8bb | 3436 | |
2ae23e75 | 3437 | /* Mask out undefined bits. */ |
9ee6e8bb PB |
3438 | mask &= ~CPSR_RESERVED; |
3439 | if (!arm_feature(env, ARM_FEATURE_V6)) | |
e160c51c | 3440 | mask &= ~(CPSR_E | CPSR_GE); |
9ee6e8bb | 3441 | if (!arm_feature(env, ARM_FEATURE_THUMB2)) |
e160c51c | 3442 | mask &= ~CPSR_IT; |
9ee6e8bb | 3443 | /* Mask out execution state bits. */ |
2ae23e75 | 3444 | if (!spsr) |
e160c51c | 3445 | mask &= ~CPSR_EXEC; |
b5ff1b31 FB |
3446 | /* Mask out privileged bits. */ |
3447 | if (IS_USER(s)) | |
9ee6e8bb | 3448 | mask &= CPSR_USER; |
b5ff1b31 FB |
3449 | return mask; |
3450 | } | |
3451 | ||
2fbac54b FN |
3452 | /* Returns nonzero if access to the PSR is not permitted. Marks t0 as dead. */ |
3453 | static int gen_set_psr(DisasContext *s, uint32_t mask, int spsr, TCGv t0) | |
b5ff1b31 | 3454 | { |
d9ba4830 | 3455 | TCGv tmp; |
b5ff1b31 FB |
3456 | if (spsr) { |
3457 | /* ??? This is also undefined in system mode. */ | |
3458 | if (IS_USER(s)) | |
3459 | return 1; | |
d9ba4830 PB |
3460 | |
3461 | tmp = load_cpu_field(spsr); | |
3462 | tcg_gen_andi_i32(tmp, tmp, ~mask); | |
2fbac54b FN |
3463 | tcg_gen_andi_i32(t0, t0, mask); |
3464 | tcg_gen_or_i32(tmp, tmp, t0); | |
d9ba4830 | 3465 | store_cpu_field(tmp, spsr); |
b5ff1b31 | 3466 | } else { |
2fbac54b | 3467 | gen_set_cpsr(t0, mask); |
b5ff1b31 | 3468 | } |
7d1b0095 | 3469 | tcg_temp_free_i32(t0); |
b5ff1b31 FB |
3470 | gen_lookup_tb(s); |
3471 | return 0; | |
3472 | } | |
3473 | ||
2fbac54b FN |
3474 | /* Returns nonzero if access to the PSR is not permitted. */ |
3475 | static int gen_set_psr_im(DisasContext *s, uint32_t mask, int spsr, uint32_t val) | |
3476 | { | |
3477 | TCGv tmp; | |
7d1b0095 | 3478 | tmp = tcg_temp_new_i32(); |
2fbac54b FN |
3479 | tcg_gen_movi_i32(tmp, val); |
3480 | return gen_set_psr(s, mask, spsr, tmp); | |
3481 | } | |
3482 | ||
e9bb4aa9 JR |
3483 | /* Generate an old-style exception return. Marks pc as dead. */ |
3484 | static void gen_exception_return(DisasContext *s, TCGv pc) | |
b5ff1b31 | 3485 | { |
d9ba4830 | 3486 | TCGv tmp; |
e9bb4aa9 | 3487 | store_reg(s, 15, pc); |
d9ba4830 PB |
3488 | tmp = load_cpu_field(spsr); |
3489 | gen_set_cpsr(tmp, 0xffffffff); | |
7d1b0095 | 3490 | tcg_temp_free_i32(tmp); |
b5ff1b31 FB |
3491 | s->is_jmp = DISAS_UPDATE; |
3492 | } | |
3493 | ||
b0109805 PB |
3494 | /* Generate a v6 exception return. Marks both values as dead. */ |
3495 | static void gen_rfe(DisasContext *s, TCGv pc, TCGv cpsr) | |
2c0262af | 3496 | { |
b0109805 | 3497 | gen_set_cpsr(cpsr, 0xffffffff); |
7d1b0095 | 3498 | tcg_temp_free_i32(cpsr); |
b0109805 | 3499 | store_reg(s, 15, pc); |
9ee6e8bb PB |
3500 | s->is_jmp = DISAS_UPDATE; |
3501 | } | |
3b46e624 | 3502 | |
9ee6e8bb PB |
3503 | static inline void |
3504 | gen_set_condexec (DisasContext *s) | |
3505 | { | |
3506 | if (s->condexec_mask) { | |
8f01245e | 3507 | uint32_t val = (s->condexec_cond << 4) | (s->condexec_mask >> 1); |
7d1b0095 | 3508 | TCGv tmp = tcg_temp_new_i32(); |
8f01245e | 3509 | tcg_gen_movi_i32(tmp, val); |
d9ba4830 | 3510 | store_cpu_field(tmp, condexec_bits); |
9ee6e8bb PB |
3511 | } |
3512 | } | |
3b46e624 | 3513 | |
bc4a0de0 PM |
3514 | static void gen_exception_insn(DisasContext *s, int offset, int excp) |
3515 | { | |
3516 | gen_set_condexec(s); | |
3517 | gen_set_pc_im(s->pc - offset); | |
3518 | gen_exception(excp); | |
3519 | s->is_jmp = DISAS_JUMP; | |
3520 | } | |
3521 | ||
9ee6e8bb PB |
3522 | static void gen_nop_hint(DisasContext *s, int val) |
3523 | { | |
3524 | switch (val) { | |
3525 | case 3: /* wfi */ | |
8984bd2e | 3526 | gen_set_pc_im(s->pc); |
9ee6e8bb PB |
3527 | s->is_jmp = DISAS_WFI; |
3528 | break; | |
3529 | case 2: /* wfe */ | |
3530 | case 4: /* sev */ | |
3531 | /* TODO: Implement SEV and WFE. May help SMP performance. */ | |
3532 | default: /* nop */ | |
3533 | break; | |
3534 | } | |
3535 | } | |
99c475ab | 3536 | |
ad69471c | 3537 | #define CPU_V001 cpu_V0, cpu_V0, cpu_V1 |
9ee6e8bb | 3538 | |
dd8fbd78 | 3539 | static inline int gen_neon_add(int size, TCGv t0, TCGv t1) |
9ee6e8bb PB |
3540 | { |
3541 | switch (size) { | |
dd8fbd78 FN |
3542 | case 0: gen_helper_neon_add_u8(t0, t0, t1); break; |
3543 | case 1: gen_helper_neon_add_u16(t0, t0, t1); break; | |
3544 | case 2: tcg_gen_add_i32(t0, t0, t1); break; | |
9ee6e8bb PB |
3545 | default: return 1; |
3546 | } | |
3547 | return 0; | |
3548 | } | |
3549 | ||
dd8fbd78 | 3550 | static inline void gen_neon_rsb(int size, TCGv t0, TCGv t1) |
ad69471c PB |
3551 | { |
3552 | switch (size) { | |
dd8fbd78 FN |
3553 | case 0: gen_helper_neon_sub_u8(t0, t1, t0); break; |
3554 | case 1: gen_helper_neon_sub_u16(t0, t1, t0); break; | |
3555 | case 2: tcg_gen_sub_i32(t0, t1, t0); break; | |
ad69471c PB |
3556 | default: return; |
3557 | } | |
3558 | } | |
3559 | ||
3560 | /* 32-bit pairwise ops end up the same as the elementwise versions. */ | |
3561 | #define gen_helper_neon_pmax_s32 gen_helper_neon_max_s32 | |
3562 | #define gen_helper_neon_pmax_u32 gen_helper_neon_max_u32 | |
3563 | #define gen_helper_neon_pmin_s32 gen_helper_neon_min_s32 | |
3564 | #define gen_helper_neon_pmin_u32 gen_helper_neon_min_u32 | |
3565 | ||
ad69471c PB |
3566 | #define GEN_NEON_INTEGER_OP_ENV(name) do { \ |
3567 | switch ((size << 1) | u) { \ | |
3568 | case 0: \ | |
dd8fbd78 | 3569 | gen_helper_neon_##name##_s8(tmp, cpu_env, tmp, tmp2); \ |
ad69471c PB |
3570 | break; \ |
3571 | case 1: \ | |
dd8fbd78 | 3572 | gen_helper_neon_##name##_u8(tmp, cpu_env, tmp, tmp2); \ |
ad69471c PB |
3573 | break; \ |
3574 | case 2: \ | |
dd8fbd78 | 3575 | gen_helper_neon_##name##_s16(tmp, cpu_env, tmp, tmp2); \ |
ad69471c PB |
3576 | break; \ |
3577 | case 3: \ | |
dd8fbd78 | 3578 | gen_helper_neon_##name##_u16(tmp, cpu_env, tmp, tmp2); \ |
ad69471c PB |
3579 | break; \ |
3580 | case 4: \ | |
dd8fbd78 | 3581 | gen_helper_neon_##name##_s32(tmp, cpu_env, tmp, tmp2); \ |
ad69471c PB |
3582 | break; \ |
3583 | case 5: \ | |
dd8fbd78 | 3584 | gen_helper_neon_##name##_u32(tmp, cpu_env, tmp, tmp2); \ |
ad69471c PB |
3585 | break; \ |
3586 | default: return 1; \ | |
3587 | }} while (0) | |
9ee6e8bb PB |
3588 | |
3589 | #define GEN_NEON_INTEGER_OP(name) do { \ | |
3590 | switch ((size << 1) | u) { \ | |
ad69471c | 3591 | case 0: \ |
dd8fbd78 | 3592 | gen_helper_neon_##name##_s8(tmp, tmp, tmp2); \ |
ad69471c PB |
3593 | break; \ |
3594 | case 1: \ | |
dd8fbd78 | 3595 | gen_helper_neon_##name##_u8(tmp, tmp, tmp2); \ |
ad69471c PB |
3596 | break; \ |
3597 | case 2: \ | |
dd8fbd78 | 3598 | gen_helper_neon_##name##_s16(tmp, tmp, tmp2); \ |
ad69471c PB |
3599 | break; \ |
3600 | case 3: \ | |
dd8fbd78 | 3601 | gen_helper_neon_##name##_u16(tmp, tmp, tmp2); \ |
ad69471c PB |
3602 | break; \ |
3603 | case 4: \ | |
dd8fbd78 | 3604 | gen_helper_neon_##name##_s32(tmp, tmp, tmp2); \ |
ad69471c PB |
3605 | break; \ |
3606 | case 5: \ | |
dd8fbd78 | 3607 | gen_helper_neon_##name##_u32(tmp, tmp, tmp2); \ |
ad69471c | 3608 | break; \ |
9ee6e8bb PB |
3609 | default: return 1; \ |
3610 | }} while (0) | |
3611 | ||
dd8fbd78 | 3612 | static TCGv neon_load_scratch(int scratch) |
9ee6e8bb | 3613 | { |
7d1b0095 | 3614 | TCGv tmp = tcg_temp_new_i32(); |
dd8fbd78 FN |
3615 | tcg_gen_ld_i32(tmp, cpu_env, offsetof(CPUARMState, vfp.scratch[scratch])); |
3616 | return tmp; | |
9ee6e8bb PB |
3617 | } |
3618 | ||
dd8fbd78 | 3619 | static void neon_store_scratch(int scratch, TCGv var) |
9ee6e8bb | 3620 | { |
dd8fbd78 | 3621 | tcg_gen_st_i32(var, cpu_env, offsetof(CPUARMState, vfp.scratch[scratch])); |
7d1b0095 | 3622 | tcg_temp_free_i32(var); |
9ee6e8bb PB |
3623 | } |
3624 | ||
dd8fbd78 | 3625 | static inline TCGv neon_get_scalar(int size, int reg) |
9ee6e8bb | 3626 | { |
dd8fbd78 | 3627 | TCGv tmp; |
9ee6e8bb | 3628 | if (size == 1) { |
0fad6efc PM |
3629 | tmp = neon_load_reg(reg & 7, reg >> 4); |
3630 | if (reg & 8) { | |
dd8fbd78 | 3631 | gen_neon_dup_high16(tmp); |
0fad6efc PM |
3632 | } else { |
3633 | gen_neon_dup_low16(tmp); | |
dd8fbd78 | 3634 | } |
0fad6efc PM |
3635 | } else { |
3636 | tmp = neon_load_reg(reg & 15, reg >> 4); | |
9ee6e8bb | 3637 | } |
dd8fbd78 | 3638 | return tmp; |
9ee6e8bb PB |
3639 | } |
3640 | ||
02acedf9 | 3641 | static int gen_neon_unzip(int rd, int rm, int size, int q) |
19457615 | 3642 | { |
02acedf9 PM |
3643 | TCGv tmp, tmp2; |
3644 | if (size == 3 || (!q && size == 2)) { | |
3645 | return 1; | |
3646 | } | |
3647 | tmp = tcg_const_i32(rd); | |
3648 | tmp2 = tcg_const_i32(rm); | |
3649 | if (q) { | |
3650 | switch (size) { | |
3651 | case 0: | |
2a3f75b4 | 3652 | gen_helper_neon_qunzip8(tmp, tmp2); |
02acedf9 PM |
3653 | break; |
3654 | case 1: | |
2a3f75b4 | 3655 | gen_helper_neon_qunzip16(tmp, tmp2); |
02acedf9 PM |
3656 | break; |
3657 | case 2: | |
2a3f75b4 | 3658 | gen_helper_neon_qunzip32(tmp, tmp2); |
02acedf9 PM |
3659 | break; |
3660 | default: | |
3661 | abort(); | |
3662 | } | |
3663 | } else { | |
3664 | switch (size) { | |
3665 | case 0: | |
2a3f75b4 | 3666 | gen_helper_neon_unzip8(tmp, tmp2); |
02acedf9 PM |
3667 | break; |
3668 | case 1: | |
2a3f75b4 | 3669 | gen_helper_neon_unzip16(tmp, tmp2); |
02acedf9 PM |
3670 | break; |
3671 | default: | |
3672 | abort(); | |
3673 | } | |
3674 | } | |
3675 | tcg_temp_free_i32(tmp); | |
3676 | tcg_temp_free_i32(tmp2); | |
3677 | return 0; | |
19457615 FN |
3678 | } |
3679 | ||
d68a6f3a | 3680 | static int gen_neon_zip(int rd, int rm, int size, int q) |
19457615 FN |
3681 | { |
3682 | TCGv tmp, tmp2; | |
d68a6f3a PM |
3683 | if (size == 3 || (!q && size == 2)) { |
3684 | return 1; | |
3685 | } | |
3686 | tmp = tcg_const_i32(rd); | |
3687 | tmp2 = tcg_const_i32(rm); | |
3688 | if (q) { | |
3689 | switch (size) { | |
3690 | case 0: | |
2a3f75b4 | 3691 | gen_helper_neon_qzip8(tmp, tmp2); |
d68a6f3a PM |
3692 | break; |
3693 | case 1: | |
2a3f75b4 | 3694 | gen_helper_neon_qzip16(tmp, tmp2); |
d68a6f3a PM |
3695 | break; |
3696 | case 2: | |
2a3f75b4 | 3697 | gen_helper_neon_qzip32(tmp, tmp2); |
d68a6f3a PM |
3698 | break; |
3699 | default: | |
3700 | abort(); | |
3701 | } | |
3702 | } else { | |
3703 | switch (size) { | |
3704 | case 0: | |
2a3f75b4 | 3705 | gen_helper_neon_zip8(tmp, tmp2); |
d68a6f3a PM |
3706 | break; |
3707 | case 1: | |
2a3f75b4 | 3708 | gen_helper_neon_zip16(tmp, tmp2); |
d68a6f3a PM |
3709 | break; |
3710 | default: | |
3711 | abort(); | |
3712 | } | |
3713 | } | |
3714 | tcg_temp_free_i32(tmp); | |
3715 | tcg_temp_free_i32(tmp2); | |
3716 | return 0; | |
19457615 FN |
3717 | } |
3718 | ||
19457615 FN |
3719 | static void gen_neon_trn_u8(TCGv t0, TCGv t1) |
3720 | { | |
3721 | TCGv rd, tmp; | |
3722 | ||
7d1b0095 PM |
3723 | rd = tcg_temp_new_i32(); |
3724 | tmp = tcg_temp_new_i32(); | |
19457615 FN |
3725 | |
3726 | tcg_gen_shli_i32(rd, t0, 8); | |
3727 | tcg_gen_andi_i32(rd, rd, 0xff00ff00); | |
3728 | tcg_gen_andi_i32(tmp, t1, 0x00ff00ff); | |
3729 | tcg_gen_or_i32(rd, rd, tmp); | |
3730 | ||
3731 | tcg_gen_shri_i32(t1, t1, 8); | |
3732 | tcg_gen_andi_i32(t1, t1, 0x00ff00ff); | |
3733 | tcg_gen_andi_i32(tmp, t0, 0xff00ff00); | |
3734 | tcg_gen_or_i32(t1, t1, tmp); | |
3735 | tcg_gen_mov_i32(t0, rd); | |
3736 | ||
7d1b0095 PM |
3737 | tcg_temp_free_i32(tmp); |
3738 | tcg_temp_free_i32(rd); | |
19457615 FN |
3739 | } |
3740 | ||
3741 | static void gen_neon_trn_u16(TCGv t0, TCGv t1) | |
3742 | { | |
3743 | TCGv rd, tmp; | |
3744 | ||
7d1b0095 PM |
3745 | rd = tcg_temp_new_i32(); |
3746 | tmp = tcg_temp_new_i32(); | |
19457615 FN |
3747 | |
3748 | tcg_gen_shli_i32(rd, t0, 16); | |
3749 | tcg_gen_andi_i32(tmp, t1, 0xffff); | |
3750 | tcg_gen_or_i32(rd, rd, tmp); | |
3751 | tcg_gen_shri_i32(t1, t1, 16); | |
3752 | tcg_gen_andi_i32(tmp, t0, 0xffff0000); | |
3753 | tcg_gen_or_i32(t1, t1, tmp); | |
3754 | tcg_gen_mov_i32(t0, rd); | |
3755 | ||
7d1b0095 PM |
3756 | tcg_temp_free_i32(tmp); |
3757 | tcg_temp_free_i32(rd); | |
19457615 FN |
3758 | } |
3759 | ||
3760 | ||
9ee6e8bb PB |
3761 | static struct { |
3762 | int nregs; | |
3763 | int interleave; | |
3764 | int spacing; | |
3765 | } neon_ls_element_type[11] = { | |
3766 | {4, 4, 1}, | |
3767 | {4, 4, 2}, | |
3768 | {4, 1, 1}, | |
3769 | {4, 2, 1}, | |
3770 | {3, 3, 1}, | |
3771 | {3, 3, 2}, | |
3772 | {3, 1, 1}, | |
3773 | {1, 1, 1}, | |
3774 | {2, 2, 1}, | |
3775 | {2, 2, 2}, | |
3776 | {2, 1, 1} | |
3777 | }; | |
3778 | ||
3779 | /* Translate a NEON load/store element instruction. Return nonzero if the | |
3780 | instruction is invalid. */ | |
3781 | static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn) | |
3782 | { | |
3783 | int rd, rn, rm; | |
3784 | int op; | |
3785 | int nregs; | |
3786 | int interleave; | |
84496233 | 3787 | int spacing; |
9ee6e8bb PB |
3788 | int stride; |
3789 | int size; | |
3790 | int reg; | |
3791 | int pass; | |
3792 | int load; | |
3793 | int shift; | |
9ee6e8bb | 3794 | int n; |
1b2b1e54 | 3795 | TCGv addr; |
b0109805 | 3796 | TCGv tmp; |
8f8e3aa4 | 3797 | TCGv tmp2; |
84496233 | 3798 | TCGv_i64 tmp64; |
9ee6e8bb | 3799 | |
5df8bac1 | 3800 | if (!s->vfp_enabled) |
9ee6e8bb PB |
3801 | return 1; |
3802 | VFP_DREG_D(rd, insn); | |
3803 | rn = (insn >> 16) & 0xf; | |
3804 | rm = insn & 0xf; | |
3805 | load = (insn & (1 << 21)) != 0; | |
3806 | if ((insn & (1 << 23)) == 0) { | |
3807 | /* Load store all elements. */ | |
3808 | op = (insn >> 8) & 0xf; | |
3809 | size = (insn >> 6) & 3; | |
84496233 | 3810 | if (op > 10) |
9ee6e8bb PB |
3811 | return 1; |
3812 | nregs = neon_ls_element_type[op].nregs; | |
3813 | interleave = neon_ls_element_type[op].interleave; | |
84496233 JR |
3814 | spacing = neon_ls_element_type[op].spacing; |
3815 | if (size == 3 && (interleave | spacing) != 1) | |
3816 | return 1; | |
e318a60b | 3817 | addr = tcg_temp_new_i32(); |
dcc65026 | 3818 | load_reg_var(s, addr, rn); |
9ee6e8bb PB |
3819 | stride = (1 << size) * interleave; |
3820 | for (reg = 0; reg < nregs; reg++) { | |
3821 | if (interleave > 2 || (interleave == 2 && nregs == 2)) { | |
dcc65026 AJ |
3822 | load_reg_var(s, addr, rn); |
3823 | tcg_gen_addi_i32(addr, addr, (1 << size) * reg); | |
9ee6e8bb | 3824 | } else if (interleave == 2 && nregs == 4 && reg == 2) { |
dcc65026 AJ |
3825 | load_reg_var(s, addr, rn); |
3826 | tcg_gen_addi_i32(addr, addr, 1 << size); | |
9ee6e8bb | 3827 | } |
84496233 JR |
3828 | if (size == 3) { |
3829 | if (load) { | |
3830 | tmp64 = gen_ld64(addr, IS_USER(s)); | |
3831 | neon_store_reg64(tmp64, rd); | |
3832 | tcg_temp_free_i64(tmp64); | |
3833 | } else { | |
3834 | tmp64 = tcg_temp_new_i64(); | |
3835 | neon_load_reg64(tmp64, rd); | |
3836 | gen_st64(tmp64, addr, IS_USER(s)); | |
3837 | } | |
3838 | tcg_gen_addi_i32(addr, addr, stride); | |
3839 | } else { | |
3840 | for (pass = 0; pass < 2; pass++) { | |
3841 | if (size == 2) { | |
3842 | if (load) { | |
3843 | tmp = gen_ld32(addr, IS_USER(s)); | |
3844 | neon_store_reg(rd, pass, tmp); | |
3845 | } else { | |
3846 | tmp = neon_load_reg(rd, pass); | |
3847 | gen_st32(tmp, addr, IS_USER(s)); | |
3848 | } | |
1b2b1e54 | 3849 | tcg_gen_addi_i32(addr, addr, stride); |
84496233 JR |
3850 | } else if (size == 1) { |
3851 | if (load) { | |
3852 | tmp = gen_ld16u(addr, IS_USER(s)); | |
3853 | tcg_gen_addi_i32(addr, addr, stride); | |
3854 | tmp2 = gen_ld16u(addr, IS_USER(s)); | |
3855 | tcg_gen_addi_i32(addr, addr, stride); | |
41ba8341 PB |
3856 | tcg_gen_shli_i32(tmp2, tmp2, 16); |
3857 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
7d1b0095 | 3858 | tcg_temp_free_i32(tmp2); |
84496233 JR |
3859 | neon_store_reg(rd, pass, tmp); |
3860 | } else { | |
3861 | tmp = neon_load_reg(rd, pass); | |
7d1b0095 | 3862 | tmp2 = tcg_temp_new_i32(); |
84496233 JR |
3863 | tcg_gen_shri_i32(tmp2, tmp, 16); |
3864 | gen_st16(tmp, addr, IS_USER(s)); | |
3865 | tcg_gen_addi_i32(addr, addr, stride); | |
3866 | gen_st16(tmp2, addr, IS_USER(s)); | |
1b2b1e54 | 3867 | tcg_gen_addi_i32(addr, addr, stride); |
9ee6e8bb | 3868 | } |
84496233 JR |
3869 | } else /* size == 0 */ { |
3870 | if (load) { | |
3871 | TCGV_UNUSED(tmp2); | |
3872 | for (n = 0; n < 4; n++) { | |
3873 | tmp = gen_ld8u(addr, IS_USER(s)); | |
3874 | tcg_gen_addi_i32(addr, addr, stride); | |
3875 | if (n == 0) { | |
3876 | tmp2 = tmp; | |
3877 | } else { | |
41ba8341 PB |
3878 | tcg_gen_shli_i32(tmp, tmp, n * 8); |
3879 | tcg_gen_or_i32(tmp2, tmp2, tmp); | |
7d1b0095 | 3880 | tcg_temp_free_i32(tmp); |
84496233 | 3881 | } |
9ee6e8bb | 3882 | } |
84496233 JR |
3883 | neon_store_reg(rd, pass, tmp2); |
3884 | } else { | |
3885 | tmp2 = neon_load_reg(rd, pass); | |
3886 | for (n = 0; n < 4; n++) { | |
7d1b0095 | 3887 | tmp = tcg_temp_new_i32(); |
84496233 JR |
3888 | if (n == 0) { |
3889 | tcg_gen_mov_i32(tmp, tmp2); | |
3890 | } else { | |
3891 | tcg_gen_shri_i32(tmp, tmp2, n * 8); | |
3892 | } | |
3893 | gen_st8(tmp, addr, IS_USER(s)); | |
3894 | tcg_gen_addi_i32(addr, addr, stride); | |
3895 | } | |
7d1b0095 | 3896 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
3897 | } |
3898 | } | |
3899 | } | |
3900 | } | |
84496233 | 3901 | rd += spacing; |
9ee6e8bb | 3902 | } |
e318a60b | 3903 | tcg_temp_free_i32(addr); |
9ee6e8bb PB |
3904 | stride = nregs * 8; |
3905 | } else { | |
3906 | size = (insn >> 10) & 3; | |
3907 | if (size == 3) { | |
3908 | /* Load single element to all lanes. */ | |
8e18cde3 PM |
3909 | int a = (insn >> 4) & 1; |
3910 | if (!load) { | |
9ee6e8bb | 3911 | return 1; |
8e18cde3 | 3912 | } |
9ee6e8bb PB |
3913 | size = (insn >> 6) & 3; |
3914 | nregs = ((insn >> 8) & 3) + 1; | |
8e18cde3 PM |
3915 | |
3916 | if (size == 3) { | |
3917 | if (nregs != 4 || a == 0) { | |
9ee6e8bb | 3918 | return 1; |
99c475ab | 3919 | } |
8e18cde3 PM |
3920 | /* For VLD4 size==3 a == 1 means 32 bits at 16 byte alignment */ |
3921 | size = 2; | |
3922 | } | |
3923 | if (nregs == 1 && a == 1 && size == 0) { | |
3924 | return 1; | |
3925 | } | |
3926 | if (nregs == 3 && a == 1) { | |
3927 | return 1; | |
3928 | } | |
e318a60b | 3929 | addr = tcg_temp_new_i32(); |
8e18cde3 PM |
3930 | load_reg_var(s, addr, rn); |
3931 | if (nregs == 1) { | |
3932 | /* VLD1 to all lanes: bit 5 indicates how many Dregs to write */ | |
3933 | tmp = gen_load_and_replicate(s, addr, size); | |
3934 | tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd, 0)); | |
3935 | tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd, 1)); | |
3936 | if (insn & (1 << 5)) { | |
3937 | tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd + 1, 0)); | |
3938 | tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd + 1, 1)); | |
3939 | } | |
3940 | tcg_temp_free_i32(tmp); | |
3941 | } else { | |
3942 | /* VLD2/3/4 to all lanes: bit 5 indicates register stride */ | |
3943 | stride = (insn & (1 << 5)) ? 2 : 1; | |
3944 | for (reg = 0; reg < nregs; reg++) { | |
3945 | tmp = gen_load_and_replicate(s, addr, size); | |
3946 | tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd, 0)); | |
3947 | tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd, 1)); | |
3948 | tcg_temp_free_i32(tmp); | |
3949 | tcg_gen_addi_i32(addr, addr, 1 << size); | |
3950 | rd += stride; | |
3951 | } | |
9ee6e8bb | 3952 | } |
e318a60b | 3953 | tcg_temp_free_i32(addr); |
9ee6e8bb PB |
3954 | stride = (1 << size) * nregs; |
3955 | } else { | |
3956 | /* Single element. */ | |
3957 | pass = (insn >> 7) & 1; | |
3958 | switch (size) { | |
3959 | case 0: | |
3960 | shift = ((insn >> 5) & 3) * 8; | |
9ee6e8bb PB |
3961 | stride = 1; |
3962 | break; | |
3963 | case 1: | |
3964 | shift = ((insn >> 6) & 1) * 16; | |
9ee6e8bb PB |
3965 | stride = (insn & (1 << 5)) ? 2 : 1; |
3966 | break; | |
3967 | case 2: | |
3968 | shift = 0; | |
9ee6e8bb PB |
3969 | stride = (insn & (1 << 6)) ? 2 : 1; |
3970 | break; | |
3971 | default: | |
3972 | abort(); | |
3973 | } | |
3974 | nregs = ((insn >> 8) & 3) + 1; | |
e318a60b | 3975 | addr = tcg_temp_new_i32(); |
dcc65026 | 3976 | load_reg_var(s, addr, rn); |
9ee6e8bb PB |
3977 | for (reg = 0; reg < nregs; reg++) { |
3978 | if (load) { | |
9ee6e8bb PB |
3979 | switch (size) { |
3980 | case 0: | |
1b2b1e54 | 3981 | tmp = gen_ld8u(addr, IS_USER(s)); |
9ee6e8bb PB |
3982 | break; |
3983 | case 1: | |
1b2b1e54 | 3984 | tmp = gen_ld16u(addr, IS_USER(s)); |
9ee6e8bb PB |
3985 | break; |
3986 | case 2: | |
1b2b1e54 | 3987 | tmp = gen_ld32(addr, IS_USER(s)); |
9ee6e8bb | 3988 | break; |
a50f5b91 PB |
3989 | default: /* Avoid compiler warnings. */ |
3990 | abort(); | |
9ee6e8bb PB |
3991 | } |
3992 | if (size != 2) { | |
8f8e3aa4 PB |
3993 | tmp2 = neon_load_reg(rd, pass); |
3994 | gen_bfi(tmp, tmp2, tmp, shift, size ? 0xffff : 0xff); | |
7d1b0095 | 3995 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 3996 | } |
8f8e3aa4 | 3997 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb | 3998 | } else { /* Store */ |
8f8e3aa4 PB |
3999 | tmp = neon_load_reg(rd, pass); |
4000 | if (shift) | |
4001 | tcg_gen_shri_i32(tmp, tmp, shift); | |
9ee6e8bb PB |
4002 | switch (size) { |
4003 | case 0: | |
1b2b1e54 | 4004 | gen_st8(tmp, addr, IS_USER(s)); |
9ee6e8bb PB |
4005 | break; |
4006 | case 1: | |
1b2b1e54 | 4007 | gen_st16(tmp, addr, IS_USER(s)); |
9ee6e8bb PB |
4008 | break; |
4009 | case 2: | |
1b2b1e54 | 4010 | gen_st32(tmp, addr, IS_USER(s)); |
9ee6e8bb | 4011 | break; |
99c475ab | 4012 | } |
99c475ab | 4013 | } |
9ee6e8bb | 4014 | rd += stride; |
1b2b1e54 | 4015 | tcg_gen_addi_i32(addr, addr, 1 << size); |
99c475ab | 4016 | } |
e318a60b | 4017 | tcg_temp_free_i32(addr); |
9ee6e8bb | 4018 | stride = nregs * (1 << size); |
99c475ab | 4019 | } |
9ee6e8bb PB |
4020 | } |
4021 | if (rm != 15) { | |
b26eefb6 PB |
4022 | TCGv base; |
4023 | ||
4024 | base = load_reg(s, rn); | |
9ee6e8bb | 4025 | if (rm == 13) { |
b26eefb6 | 4026 | tcg_gen_addi_i32(base, base, stride); |
9ee6e8bb | 4027 | } else { |
b26eefb6 PB |
4028 | TCGv index; |
4029 | index = load_reg(s, rm); | |
4030 | tcg_gen_add_i32(base, base, index); | |
7d1b0095 | 4031 | tcg_temp_free_i32(index); |
9ee6e8bb | 4032 | } |
b26eefb6 | 4033 | store_reg(s, rn, base); |
9ee6e8bb PB |
4034 | } |
4035 | return 0; | |
4036 | } | |
3b46e624 | 4037 | |
8f8e3aa4 PB |
4038 | /* Bitwise select. dest = c ? t : f. Clobbers T and F. */ |
4039 | static void gen_neon_bsl(TCGv dest, TCGv t, TCGv f, TCGv c) | |
4040 | { | |
4041 | tcg_gen_and_i32(t, t, c); | |
f669df27 | 4042 | tcg_gen_andc_i32(f, f, c); |
8f8e3aa4 PB |
4043 | tcg_gen_or_i32(dest, t, f); |
4044 | } | |
4045 | ||
a7812ae4 | 4046 | static inline void gen_neon_narrow(int size, TCGv dest, TCGv_i64 src) |
ad69471c PB |
4047 | { |
4048 | switch (size) { | |
4049 | case 0: gen_helper_neon_narrow_u8(dest, src); break; | |
4050 | case 1: gen_helper_neon_narrow_u16(dest, src); break; | |
4051 | case 2: tcg_gen_trunc_i64_i32(dest, src); break; | |
4052 | default: abort(); | |
4053 | } | |
4054 | } | |
4055 | ||
a7812ae4 | 4056 | static inline void gen_neon_narrow_sats(int size, TCGv dest, TCGv_i64 src) |
ad69471c PB |
4057 | { |
4058 | switch (size) { | |
2a3f75b4 PM |
4059 | case 0: gen_helper_neon_narrow_sat_s8(dest, src); break; |
4060 | case 1: gen_helper_neon_narrow_sat_s16(dest, src); break; | |
4061 | case 2: gen_helper_neon_narrow_sat_s32(dest, src); break; | |
ad69471c PB |
4062 | default: abort(); |
4063 | } | |
4064 | } | |
4065 | ||
a7812ae4 | 4066 | static inline void gen_neon_narrow_satu(int size, TCGv dest, TCGv_i64 src) |
ad69471c PB |
4067 | { |
4068 | switch (size) { | |
2a3f75b4 PM |
4069 | case 0: gen_helper_neon_narrow_sat_u8(dest, src); break; |
4070 | case 1: gen_helper_neon_narrow_sat_u16(dest, src); break; | |
4071 | case 2: gen_helper_neon_narrow_sat_u32(dest, src); break; | |
ad69471c PB |
4072 | default: abort(); |
4073 | } | |
4074 | } | |
4075 | ||
af1bbf30 JR |
4076 | static inline void gen_neon_unarrow_sats(int size, TCGv dest, TCGv_i64 src) |
4077 | { | |
4078 | switch (size) { | |
2a3f75b4 PM |
4079 | case 0: gen_helper_neon_unarrow_sat8(dest, src); break; |
4080 | case 1: gen_helper_neon_unarrow_sat16(dest, src); break; | |
4081 | case 2: gen_helper_neon_unarrow_sat32(dest, src); break; | |
af1bbf30 JR |
4082 | default: abort(); |
4083 | } | |
4084 | } | |
4085 | ||
ad69471c PB |
4086 | static inline void gen_neon_shift_narrow(int size, TCGv var, TCGv shift, |
4087 | int q, int u) | |
4088 | { | |
4089 | if (q) { | |
4090 | if (u) { | |
4091 | switch (size) { | |
4092 | case 1: gen_helper_neon_rshl_u16(var, var, shift); break; | |
4093 | case 2: gen_helper_neon_rshl_u32(var, var, shift); break; | |
4094 | default: abort(); | |
4095 | } | |
4096 | } else { | |
4097 | switch (size) { | |
4098 | case 1: gen_helper_neon_rshl_s16(var, var, shift); break; | |
4099 | case 2: gen_helper_neon_rshl_s32(var, var, shift); break; | |
4100 | default: abort(); | |
4101 | } | |
4102 | } | |
4103 | } else { | |
4104 | if (u) { | |
4105 | switch (size) { | |
b408a9b0 CL |
4106 | case 1: gen_helper_neon_shl_u16(var, var, shift); break; |
4107 | case 2: gen_helper_neon_shl_u32(var, var, shift); break; | |
ad69471c PB |
4108 | default: abort(); |
4109 | } | |
4110 | } else { | |
4111 | switch (size) { | |
4112 | case 1: gen_helper_neon_shl_s16(var, var, shift); break; | |
4113 | case 2: gen_helper_neon_shl_s32(var, var, shift); break; | |
4114 | default: abort(); | |
4115 | } | |
4116 | } | |
4117 | } | |
4118 | } | |
4119 | ||
a7812ae4 | 4120 | static inline void gen_neon_widen(TCGv_i64 dest, TCGv src, int size, int u) |
ad69471c PB |
4121 | { |
4122 | if (u) { | |
4123 | switch (size) { | |
4124 | case 0: gen_helper_neon_widen_u8(dest, src); break; | |
4125 | case 1: gen_helper_neon_widen_u16(dest, src); break; | |
4126 | case 2: tcg_gen_extu_i32_i64(dest, src); break; | |
4127 | default: abort(); | |
4128 | } | |
4129 | } else { | |
4130 | switch (size) { | |
4131 | case 0: gen_helper_neon_widen_s8(dest, src); break; | |
4132 | case 1: gen_helper_neon_widen_s16(dest, src); break; | |
4133 | case 2: tcg_gen_ext_i32_i64(dest, src); break; | |
4134 | default: abort(); | |
4135 | } | |
4136 | } | |
7d1b0095 | 4137 | tcg_temp_free_i32(src); |
ad69471c PB |
4138 | } |
4139 | ||
4140 | static inline void gen_neon_addl(int size) | |
4141 | { | |
4142 | switch (size) { | |
4143 | case 0: gen_helper_neon_addl_u16(CPU_V001); break; | |
4144 | case 1: gen_helper_neon_addl_u32(CPU_V001); break; | |
4145 | case 2: tcg_gen_add_i64(CPU_V001); break; | |
4146 | default: abort(); | |
4147 | } | |
4148 | } | |
4149 | ||
4150 | static inline void gen_neon_subl(int size) | |
4151 | { | |
4152 | switch (size) { | |
4153 | case 0: gen_helper_neon_subl_u16(CPU_V001); break; | |
4154 | case 1: gen_helper_neon_subl_u32(CPU_V001); break; | |
4155 | case 2: tcg_gen_sub_i64(CPU_V001); break; | |
4156 | default: abort(); | |
4157 | } | |
4158 | } | |
4159 | ||
a7812ae4 | 4160 | static inline void gen_neon_negl(TCGv_i64 var, int size) |
ad69471c PB |
4161 | { |
4162 | switch (size) { | |
4163 | case 0: gen_helper_neon_negl_u16(var, var); break; | |
4164 | case 1: gen_helper_neon_negl_u32(var, var); break; | |
4165 | case 2: gen_helper_neon_negl_u64(var, var); break; | |
4166 | default: abort(); | |
4167 | } | |
4168 | } | |
4169 | ||
a7812ae4 | 4170 | static inline void gen_neon_addl_saturate(TCGv_i64 op0, TCGv_i64 op1, int size) |
ad69471c PB |
4171 | { |
4172 | switch (size) { | |
2a3f75b4 PM |
4173 | case 1: gen_helper_neon_addl_saturate_s32(op0, op0, op1); break; |
4174 | case 2: gen_helper_neon_addl_saturate_s64(op0, op0, op1); break; | |
ad69471c PB |
4175 | default: abort(); |
4176 | } | |
4177 | } | |
4178 | ||
a7812ae4 | 4179 | static inline void gen_neon_mull(TCGv_i64 dest, TCGv a, TCGv b, int size, int u) |
ad69471c | 4180 | { |
a7812ae4 | 4181 | TCGv_i64 tmp; |
ad69471c PB |
4182 | |
4183 | switch ((size << 1) | u) { | |
4184 | case 0: gen_helper_neon_mull_s8(dest, a, b); break; | |
4185 | case 1: gen_helper_neon_mull_u8(dest, a, b); break; | |
4186 | case 2: gen_helper_neon_mull_s16(dest, a, b); break; | |
4187 | case 3: gen_helper_neon_mull_u16(dest, a, b); break; | |
4188 | case 4: | |
4189 | tmp = gen_muls_i64_i32(a, b); | |
4190 | tcg_gen_mov_i64(dest, tmp); | |
7d2aabe2 | 4191 | tcg_temp_free_i64(tmp); |
ad69471c PB |
4192 | break; |
4193 | case 5: | |
4194 | tmp = gen_mulu_i64_i32(a, b); | |
4195 | tcg_gen_mov_i64(dest, tmp); | |
7d2aabe2 | 4196 | tcg_temp_free_i64(tmp); |
ad69471c PB |
4197 | break; |
4198 | default: abort(); | |
4199 | } | |
c6067f04 CL |
4200 | |
4201 | /* gen_helper_neon_mull_[su]{8|16} do not free their parameters. | |
4202 | Don't forget to clean them now. */ | |
4203 | if (size < 2) { | |
7d1b0095 PM |
4204 | tcg_temp_free_i32(a); |
4205 | tcg_temp_free_i32(b); | |
c6067f04 | 4206 | } |
ad69471c PB |
4207 | } |
4208 | ||
c33171c7 PM |
4209 | static void gen_neon_narrow_op(int op, int u, int size, TCGv dest, TCGv_i64 src) |
4210 | { | |
4211 | if (op) { | |
4212 | if (u) { | |
4213 | gen_neon_unarrow_sats(size, dest, src); | |
4214 | } else { | |
4215 | gen_neon_narrow(size, dest, src); | |
4216 | } | |
4217 | } else { | |
4218 | if (u) { | |
4219 | gen_neon_narrow_satu(size, dest, src); | |
4220 | } else { | |
4221 | gen_neon_narrow_sats(size, dest, src); | |
4222 | } | |
4223 | } | |
4224 | } | |
4225 | ||
9ee6e8bb PB |
4226 | /* Translate a NEON data processing instruction. Return nonzero if the |
4227 | instruction is invalid. | |
ad69471c PB |
4228 | We process data in a mixture of 32-bit and 64-bit chunks. |
4229 | Mostly we use 32-bit chunks so we can use normal scalar instructions. */ | |
2c0262af | 4230 | |
9ee6e8bb PB |
4231 | static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) |
4232 | { | |
4233 | int op; | |
4234 | int q; | |
4235 | int rd, rn, rm; | |
4236 | int size; | |
4237 | int shift; | |
4238 | int pass; | |
4239 | int count; | |
4240 | int pairwise; | |
4241 | int u; | |
4242 | int n; | |
ca9a32e4 | 4243 | uint32_t imm, mask; |
b75263d6 | 4244 | TCGv tmp, tmp2, tmp3, tmp4, tmp5; |
a7812ae4 | 4245 | TCGv_i64 tmp64; |
9ee6e8bb | 4246 | |
5df8bac1 | 4247 | if (!s->vfp_enabled) |
9ee6e8bb PB |
4248 | return 1; |
4249 | q = (insn & (1 << 6)) != 0; | |
4250 | u = (insn >> 24) & 1; | |
4251 | VFP_DREG_D(rd, insn); | |
4252 | VFP_DREG_N(rn, insn); | |
4253 | VFP_DREG_M(rm, insn); | |
4254 | size = (insn >> 20) & 3; | |
4255 | if ((insn & (1 << 23)) == 0) { | |
4256 | /* Three register same length. */ | |
4257 | op = ((insn >> 7) & 0x1e) | ((insn >> 4) & 1); | |
ad69471c PB |
4258 | if (size == 3 && (op == 1 || op == 5 || op == 8 || op == 9 |
4259 | || op == 10 || op == 11 || op == 16)) { | |
4260 | /* 64-bit element instructions. */ | |
9ee6e8bb | 4261 | for (pass = 0; pass < (q ? 2 : 1); pass++) { |
ad69471c PB |
4262 | neon_load_reg64(cpu_V0, rn + pass); |
4263 | neon_load_reg64(cpu_V1, rm + pass); | |
9ee6e8bb PB |
4264 | switch (op) { |
4265 | case 1: /* VQADD */ | |
4266 | if (u) { | |
2a3f75b4 | 4267 | gen_helper_neon_qadd_u64(cpu_V0, cpu_V0, cpu_V1); |
2c0262af | 4268 | } else { |
2a3f75b4 | 4269 | gen_helper_neon_qadd_s64(cpu_V0, cpu_V0, cpu_V1); |
2c0262af | 4270 | } |
9ee6e8bb PB |
4271 | break; |
4272 | case 5: /* VQSUB */ | |
4273 | if (u) { | |
2a3f75b4 | 4274 | gen_helper_neon_qsub_u64(cpu_V0, cpu_V0, cpu_V1); |
ad69471c | 4275 | } else { |
2a3f75b4 | 4276 | gen_helper_neon_qsub_s64(cpu_V0, cpu_V0, cpu_V1); |
ad69471c PB |
4277 | } |
4278 | break; | |
4279 | case 8: /* VSHL */ | |
4280 | if (u) { | |
4281 | gen_helper_neon_shl_u64(cpu_V0, cpu_V1, cpu_V0); | |
4282 | } else { | |
4283 | gen_helper_neon_shl_s64(cpu_V0, cpu_V1, cpu_V0); | |
4284 | } | |
4285 | break; | |
4286 | case 9: /* VQSHL */ | |
4287 | if (u) { | |
2a3f75b4 | 4288 | gen_helper_neon_qshl_u64(cpu_V0, cpu_V1, cpu_V0); |
ad69471c | 4289 | } else { |
2a3f75b4 | 4290 | gen_helper_neon_qshl_s64(cpu_V0, cpu_V1, cpu_V0); |
ad69471c PB |
4291 | } |
4292 | break; | |
4293 | case 10: /* VRSHL */ | |
4294 | if (u) { | |
4295 | gen_helper_neon_rshl_u64(cpu_V0, cpu_V1, cpu_V0); | |
1e8d4eec | 4296 | } else { |
ad69471c PB |
4297 | gen_helper_neon_rshl_s64(cpu_V0, cpu_V1, cpu_V0); |
4298 | } | |
4299 | break; | |
4300 | case 11: /* VQRSHL */ | |
4301 | if (u) { | |
2a3f75b4 | 4302 | gen_helper_neon_qrshl_u64(cpu_V0, cpu_V1, cpu_V0); |
ad69471c | 4303 | } else { |
2a3f75b4 | 4304 | gen_helper_neon_qrshl_s64(cpu_V0, cpu_V1, cpu_V0); |
1e8d4eec | 4305 | } |
9ee6e8bb PB |
4306 | break; |
4307 | case 16: | |
4308 | if (u) { | |
ad69471c | 4309 | tcg_gen_sub_i64(CPU_V001); |
9ee6e8bb | 4310 | } else { |
ad69471c | 4311 | tcg_gen_add_i64(CPU_V001); |
9ee6e8bb PB |
4312 | } |
4313 | break; | |
4314 | default: | |
4315 | abort(); | |
2c0262af | 4316 | } |
ad69471c | 4317 | neon_store_reg64(cpu_V0, rd + pass); |
2c0262af | 4318 | } |
9ee6e8bb | 4319 | return 0; |
2c0262af | 4320 | } |
9ee6e8bb PB |
4321 | switch (op) { |
4322 | case 8: /* VSHL */ | |
4323 | case 9: /* VQSHL */ | |
4324 | case 10: /* VRSHL */ | |
ad69471c | 4325 | case 11: /* VQRSHL */ |
9ee6e8bb | 4326 | { |
ad69471c PB |
4327 | int rtmp; |
4328 | /* Shift instruction operands are reversed. */ | |
4329 | rtmp = rn; | |
9ee6e8bb | 4330 | rn = rm; |
ad69471c | 4331 | rm = rtmp; |
9ee6e8bb PB |
4332 | pairwise = 0; |
4333 | } | |
2c0262af | 4334 | break; |
9ee6e8bb PB |
4335 | case 20: /* VPMAX */ |
4336 | case 21: /* VPMIN */ | |
4337 | case 23: /* VPADD */ | |
4338 | pairwise = 1; | |
2c0262af | 4339 | break; |
9ee6e8bb PB |
4340 | case 26: /* VPADD (float) */ |
4341 | pairwise = (u && size < 2); | |
2c0262af | 4342 | break; |
9ee6e8bb PB |
4343 | case 30: /* VPMIN/VPMAX (float) */ |
4344 | pairwise = u; | |
2c0262af | 4345 | break; |
9ee6e8bb PB |
4346 | default: |
4347 | pairwise = 0; | |
2c0262af | 4348 | break; |
9ee6e8bb | 4349 | } |
dd8fbd78 | 4350 | |
9ee6e8bb PB |
4351 | for (pass = 0; pass < (q ? 4 : 2); pass++) { |
4352 | ||
4353 | if (pairwise) { | |
4354 | /* Pairwise. */ | |
4355 | if (q) | |
4356 | n = (pass & 1) * 2; | |
2c0262af | 4357 | else |
9ee6e8bb PB |
4358 | n = 0; |
4359 | if (pass < q + 1) { | |
dd8fbd78 FN |
4360 | tmp = neon_load_reg(rn, n); |
4361 | tmp2 = neon_load_reg(rn, n + 1); | |
9ee6e8bb | 4362 | } else { |
dd8fbd78 FN |
4363 | tmp = neon_load_reg(rm, n); |
4364 | tmp2 = neon_load_reg(rm, n + 1); | |
9ee6e8bb PB |
4365 | } |
4366 | } else { | |
4367 | /* Elementwise. */ | |
dd8fbd78 FN |
4368 | tmp = neon_load_reg(rn, pass); |
4369 | tmp2 = neon_load_reg(rm, pass); | |
9ee6e8bb PB |
4370 | } |
4371 | switch (op) { | |
4372 | case 0: /* VHADD */ | |
4373 | GEN_NEON_INTEGER_OP(hadd); | |
4374 | break; | |
4375 | case 1: /* VQADD */ | |
2a3f75b4 | 4376 | GEN_NEON_INTEGER_OP(qadd); |
2c0262af | 4377 | break; |
9ee6e8bb PB |
4378 | case 2: /* VRHADD */ |
4379 | GEN_NEON_INTEGER_OP(rhadd); | |
2c0262af | 4380 | break; |
9ee6e8bb PB |
4381 | case 3: /* Logic ops. */ |
4382 | switch ((u << 2) | size) { | |
4383 | case 0: /* VAND */ | |
dd8fbd78 | 4384 | tcg_gen_and_i32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4385 | break; |
4386 | case 1: /* BIC */ | |
f669df27 | 4387 | tcg_gen_andc_i32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4388 | break; |
4389 | case 2: /* VORR */ | |
dd8fbd78 | 4390 | tcg_gen_or_i32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4391 | break; |
4392 | case 3: /* VORN */ | |
f669df27 | 4393 | tcg_gen_orc_i32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4394 | break; |
4395 | case 4: /* VEOR */ | |
dd8fbd78 | 4396 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4397 | break; |
4398 | case 5: /* VBSL */ | |
dd8fbd78 FN |
4399 | tmp3 = neon_load_reg(rd, pass); |
4400 | gen_neon_bsl(tmp, tmp, tmp2, tmp3); | |
7d1b0095 | 4401 | tcg_temp_free_i32(tmp3); |
9ee6e8bb PB |
4402 | break; |
4403 | case 6: /* VBIT */ | |
dd8fbd78 FN |
4404 | tmp3 = neon_load_reg(rd, pass); |
4405 | gen_neon_bsl(tmp, tmp, tmp3, tmp2); | |
7d1b0095 | 4406 | tcg_temp_free_i32(tmp3); |
9ee6e8bb PB |
4407 | break; |
4408 | case 7: /* VBIF */ | |
dd8fbd78 FN |
4409 | tmp3 = neon_load_reg(rd, pass); |
4410 | gen_neon_bsl(tmp, tmp3, tmp, tmp2); | |
7d1b0095 | 4411 | tcg_temp_free_i32(tmp3); |
9ee6e8bb | 4412 | break; |
2c0262af FB |
4413 | } |
4414 | break; | |
9ee6e8bb PB |
4415 | case 4: /* VHSUB */ |
4416 | GEN_NEON_INTEGER_OP(hsub); | |
4417 | break; | |
4418 | case 5: /* VQSUB */ | |
2a3f75b4 | 4419 | GEN_NEON_INTEGER_OP(qsub); |
2c0262af | 4420 | break; |
9ee6e8bb PB |
4421 | case 6: /* VCGT */ |
4422 | GEN_NEON_INTEGER_OP(cgt); | |
4423 | break; | |
4424 | case 7: /* VCGE */ | |
4425 | GEN_NEON_INTEGER_OP(cge); | |
4426 | break; | |
4427 | case 8: /* VSHL */ | |
ad69471c | 4428 | GEN_NEON_INTEGER_OP(shl); |
2c0262af | 4429 | break; |
9ee6e8bb | 4430 | case 9: /* VQSHL */ |
2a3f75b4 | 4431 | GEN_NEON_INTEGER_OP(qshl); |
2c0262af | 4432 | break; |
9ee6e8bb | 4433 | case 10: /* VRSHL */ |
ad69471c | 4434 | GEN_NEON_INTEGER_OP(rshl); |
2c0262af | 4435 | break; |
9ee6e8bb | 4436 | case 11: /* VQRSHL */ |
2a3f75b4 | 4437 | GEN_NEON_INTEGER_OP(qrshl); |
9ee6e8bb PB |
4438 | break; |
4439 | case 12: /* VMAX */ | |
4440 | GEN_NEON_INTEGER_OP(max); | |
4441 | break; | |
4442 | case 13: /* VMIN */ | |
4443 | GEN_NEON_INTEGER_OP(min); | |
4444 | break; | |
4445 | case 14: /* VABD */ | |
4446 | GEN_NEON_INTEGER_OP(abd); | |
4447 | break; | |
4448 | case 15: /* VABA */ | |
4449 | GEN_NEON_INTEGER_OP(abd); | |
7d1b0095 | 4450 | tcg_temp_free_i32(tmp2); |
dd8fbd78 FN |
4451 | tmp2 = neon_load_reg(rd, pass); |
4452 | gen_neon_add(size, tmp, tmp2); | |
9ee6e8bb PB |
4453 | break; |
4454 | case 16: | |
4455 | if (!u) { /* VADD */ | |
dd8fbd78 | 4456 | if (gen_neon_add(size, tmp, tmp2)) |
9ee6e8bb PB |
4457 | return 1; |
4458 | } else { /* VSUB */ | |
4459 | switch (size) { | |
dd8fbd78 FN |
4460 | case 0: gen_helper_neon_sub_u8(tmp, tmp, tmp2); break; |
4461 | case 1: gen_helper_neon_sub_u16(tmp, tmp, tmp2); break; | |
4462 | case 2: tcg_gen_sub_i32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
4463 | default: return 1; |
4464 | } | |
4465 | } | |
4466 | break; | |
4467 | case 17: | |
4468 | if (!u) { /* VTST */ | |
4469 | switch (size) { | |
dd8fbd78 FN |
4470 | case 0: gen_helper_neon_tst_u8(tmp, tmp, tmp2); break; |
4471 | case 1: gen_helper_neon_tst_u16(tmp, tmp, tmp2); break; | |
4472 | case 2: gen_helper_neon_tst_u32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
4473 | default: return 1; |
4474 | } | |
4475 | } else { /* VCEQ */ | |
4476 | switch (size) { | |
dd8fbd78 FN |
4477 | case 0: gen_helper_neon_ceq_u8(tmp, tmp, tmp2); break; |
4478 | case 1: gen_helper_neon_ceq_u16(tmp, tmp, tmp2); break; | |
4479 | case 2: gen_helper_neon_ceq_u32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
4480 | default: return 1; |
4481 | } | |
4482 | } | |
4483 | break; | |
4484 | case 18: /* Multiply. */ | |
4485 | switch (size) { | |
dd8fbd78 FN |
4486 | case 0: gen_helper_neon_mul_u8(tmp, tmp, tmp2); break; |
4487 | case 1: gen_helper_neon_mul_u16(tmp, tmp, tmp2); break; | |
4488 | case 2: tcg_gen_mul_i32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
4489 | default: return 1; |
4490 | } | |
7d1b0095 | 4491 | tcg_temp_free_i32(tmp2); |
dd8fbd78 | 4492 | tmp2 = neon_load_reg(rd, pass); |
9ee6e8bb | 4493 | if (u) { /* VMLS */ |
dd8fbd78 | 4494 | gen_neon_rsb(size, tmp, tmp2); |
9ee6e8bb | 4495 | } else { /* VMLA */ |
dd8fbd78 | 4496 | gen_neon_add(size, tmp, tmp2); |
9ee6e8bb PB |
4497 | } |
4498 | break; | |
4499 | case 19: /* VMUL */ | |
4500 | if (u) { /* polynomial */ | |
dd8fbd78 | 4501 | gen_helper_neon_mul_p8(tmp, tmp, tmp2); |
9ee6e8bb PB |
4502 | } else { /* Integer */ |
4503 | switch (size) { | |
dd8fbd78 FN |
4504 | case 0: gen_helper_neon_mul_u8(tmp, tmp, tmp2); break; |
4505 | case 1: gen_helper_neon_mul_u16(tmp, tmp, tmp2); break; | |
4506 | case 2: tcg_gen_mul_i32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
4507 | default: return 1; |
4508 | } | |
4509 | } | |
4510 | break; | |
4511 | case 20: /* VPMAX */ | |
4512 | GEN_NEON_INTEGER_OP(pmax); | |
4513 | break; | |
4514 | case 21: /* VPMIN */ | |
4515 | GEN_NEON_INTEGER_OP(pmin); | |
4516 | break; | |
4517 | case 22: /* Hultiply high. */ | |
4518 | if (!u) { /* VQDMULH */ | |
4519 | switch (size) { | |
2a3f75b4 PM |
4520 | case 1: gen_helper_neon_qdmulh_s16(tmp, tmp, tmp2); break; |
4521 | case 2: gen_helper_neon_qdmulh_s32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
4522 | default: return 1; |
4523 | } | |
4524 | } else { /* VQRDHMUL */ | |
4525 | switch (size) { | |
2a3f75b4 PM |
4526 | case 1: gen_helper_neon_qrdmulh_s16(tmp, tmp, tmp2); break; |
4527 | case 2: gen_helper_neon_qrdmulh_s32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
4528 | default: return 1; |
4529 | } | |
4530 | } | |
4531 | break; | |
4532 | case 23: /* VPADD */ | |
4533 | if (u) | |
4534 | return 1; | |
4535 | switch (size) { | |
dd8fbd78 FN |
4536 | case 0: gen_helper_neon_padd_u8(tmp, tmp, tmp2); break; |
4537 | case 1: gen_helper_neon_padd_u16(tmp, tmp, tmp2); break; | |
4538 | case 2: tcg_gen_add_i32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
4539 | default: return 1; |
4540 | } | |
4541 | break; | |
4542 | case 26: /* Floating point arithnetic. */ | |
4543 | switch ((u << 2) | size) { | |
4544 | case 0: /* VADD */ | |
dd8fbd78 | 4545 | gen_helper_neon_add_f32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4546 | break; |
4547 | case 2: /* VSUB */ | |
dd8fbd78 | 4548 | gen_helper_neon_sub_f32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4549 | break; |
4550 | case 4: /* VPADD */ | |
dd8fbd78 | 4551 | gen_helper_neon_add_f32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4552 | break; |
4553 | case 6: /* VABD */ | |
dd8fbd78 | 4554 | gen_helper_neon_abd_f32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4555 | break; |
4556 | default: | |
4557 | return 1; | |
4558 | } | |
4559 | break; | |
4560 | case 27: /* Float multiply. */ | |
dd8fbd78 | 4561 | gen_helper_neon_mul_f32(tmp, tmp, tmp2); |
9ee6e8bb | 4562 | if (!u) { |
7d1b0095 | 4563 | tcg_temp_free_i32(tmp2); |
dd8fbd78 | 4564 | tmp2 = neon_load_reg(rd, pass); |
9ee6e8bb | 4565 | if (size == 0) { |
dd8fbd78 | 4566 | gen_helper_neon_add_f32(tmp, tmp, tmp2); |
9ee6e8bb | 4567 | } else { |
dd8fbd78 | 4568 | gen_helper_neon_sub_f32(tmp, tmp2, tmp); |
9ee6e8bb PB |
4569 | } |
4570 | } | |
4571 | break; | |
4572 | case 28: /* Float compare. */ | |
4573 | if (!u) { | |
dd8fbd78 | 4574 | gen_helper_neon_ceq_f32(tmp, tmp, tmp2); |
b5ff1b31 | 4575 | } else { |
9ee6e8bb | 4576 | if (size == 0) |
dd8fbd78 | 4577 | gen_helper_neon_cge_f32(tmp, tmp, tmp2); |
9ee6e8bb | 4578 | else |
dd8fbd78 | 4579 | gen_helper_neon_cgt_f32(tmp, tmp, tmp2); |
b5ff1b31 | 4580 | } |
2c0262af | 4581 | break; |
9ee6e8bb PB |
4582 | case 29: /* Float compare absolute. */ |
4583 | if (!u) | |
4584 | return 1; | |
4585 | if (size == 0) | |
dd8fbd78 | 4586 | gen_helper_neon_acge_f32(tmp, tmp, tmp2); |
9ee6e8bb | 4587 | else |
dd8fbd78 | 4588 | gen_helper_neon_acgt_f32(tmp, tmp, tmp2); |
2c0262af | 4589 | break; |
9ee6e8bb PB |
4590 | case 30: /* Float min/max. */ |
4591 | if (size == 0) | |
dd8fbd78 | 4592 | gen_helper_neon_max_f32(tmp, tmp, tmp2); |
9ee6e8bb | 4593 | else |
dd8fbd78 | 4594 | gen_helper_neon_min_f32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4595 | break; |
4596 | case 31: | |
4597 | if (size == 0) | |
dd8fbd78 | 4598 | gen_helper_recps_f32(tmp, tmp, tmp2, cpu_env); |
9ee6e8bb | 4599 | else |
dd8fbd78 | 4600 | gen_helper_rsqrts_f32(tmp, tmp, tmp2, cpu_env); |
2c0262af | 4601 | break; |
9ee6e8bb PB |
4602 | default: |
4603 | abort(); | |
2c0262af | 4604 | } |
7d1b0095 | 4605 | tcg_temp_free_i32(tmp2); |
dd8fbd78 | 4606 | |
9ee6e8bb PB |
4607 | /* Save the result. For elementwise operations we can put it |
4608 | straight into the destination register. For pairwise operations | |
4609 | we have to be careful to avoid clobbering the source operands. */ | |
4610 | if (pairwise && rd == rm) { | |
dd8fbd78 | 4611 | neon_store_scratch(pass, tmp); |
9ee6e8bb | 4612 | } else { |
dd8fbd78 | 4613 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb PB |
4614 | } |
4615 | ||
4616 | } /* for pass */ | |
4617 | if (pairwise && rd == rm) { | |
4618 | for (pass = 0; pass < (q ? 4 : 2); pass++) { | |
dd8fbd78 FN |
4619 | tmp = neon_load_scratch(pass); |
4620 | neon_store_reg(rd, pass, tmp); | |
9ee6e8bb PB |
4621 | } |
4622 | } | |
ad69471c | 4623 | /* End of 3 register same size operations. */ |
9ee6e8bb PB |
4624 | } else if (insn & (1 << 4)) { |
4625 | if ((insn & 0x00380080) != 0) { | |
4626 | /* Two registers and shift. */ | |
4627 | op = (insn >> 8) & 0xf; | |
4628 | if (insn & (1 << 7)) { | |
4629 | /* 64-bit shift. */ | |
4630 | size = 3; | |
4631 | } else { | |
4632 | size = 2; | |
4633 | while ((insn & (1 << (size + 19))) == 0) | |
4634 | size--; | |
4635 | } | |
4636 | shift = (insn >> 16) & ((1 << (3 + size)) - 1); | |
4637 | /* To avoid excessive dumplication of ops we implement shift | |
4638 | by immediate using the variable shift operations. */ | |
4639 | if (op < 8) { | |
4640 | /* Shift by immediate: | |
4641 | VSHR, VSRA, VRSHR, VRSRA, VSRI, VSHL, VQSHL, VQSHLU. */ | |
4642 | /* Right shifts are encoded as N - shift, where N is the | |
4643 | element size in bits. */ | |
4644 | if (op <= 4) | |
4645 | shift = shift - (1 << (size + 3)); | |
9ee6e8bb PB |
4646 | if (size == 3) { |
4647 | count = q + 1; | |
4648 | } else { | |
4649 | count = q ? 4: 2; | |
4650 | } | |
4651 | switch (size) { | |
4652 | case 0: | |
4653 | imm = (uint8_t) shift; | |
4654 | imm |= imm << 8; | |
4655 | imm |= imm << 16; | |
4656 | break; | |
4657 | case 1: | |
4658 | imm = (uint16_t) shift; | |
4659 | imm |= imm << 16; | |
4660 | break; | |
4661 | case 2: | |
4662 | case 3: | |
4663 | imm = shift; | |
4664 | break; | |
4665 | default: | |
4666 | abort(); | |
4667 | } | |
4668 | ||
4669 | for (pass = 0; pass < count; pass++) { | |
ad69471c PB |
4670 | if (size == 3) { |
4671 | neon_load_reg64(cpu_V0, rm + pass); | |
4672 | tcg_gen_movi_i64(cpu_V1, imm); | |
4673 | switch (op) { | |
4674 | case 0: /* VSHR */ | |
4675 | case 1: /* VSRA */ | |
4676 | if (u) | |
4677 | gen_helper_neon_shl_u64(cpu_V0, cpu_V0, cpu_V1); | |
9ee6e8bb | 4678 | else |
ad69471c | 4679 | gen_helper_neon_shl_s64(cpu_V0, cpu_V0, cpu_V1); |
9ee6e8bb | 4680 | break; |
ad69471c PB |
4681 | case 2: /* VRSHR */ |
4682 | case 3: /* VRSRA */ | |
4683 | if (u) | |
4684 | gen_helper_neon_rshl_u64(cpu_V0, cpu_V0, cpu_V1); | |
9ee6e8bb | 4685 | else |
ad69471c | 4686 | gen_helper_neon_rshl_s64(cpu_V0, cpu_V0, cpu_V1); |
9ee6e8bb | 4687 | break; |
ad69471c PB |
4688 | case 4: /* VSRI */ |
4689 | if (!u) | |
4690 | return 1; | |
4691 | gen_helper_neon_shl_u64(cpu_V0, cpu_V0, cpu_V1); | |
4692 | break; | |
4693 | case 5: /* VSHL, VSLI */ | |
4694 | gen_helper_neon_shl_u64(cpu_V0, cpu_V0, cpu_V1); | |
4695 | break; | |
0322b26e PM |
4696 | case 6: /* VQSHLU */ |
4697 | if (u) { | |
2a3f75b4 | 4698 | gen_helper_neon_qshlu_s64(cpu_V0, |
0322b26e PM |
4699 | cpu_V0, cpu_V1); |
4700 | } else { | |
4701 | return 1; | |
4702 | } | |
ad69471c | 4703 | break; |
0322b26e PM |
4704 | case 7: /* VQSHL */ |
4705 | if (u) { | |
2a3f75b4 | 4706 | gen_helper_neon_qshl_u64(cpu_V0, |
0322b26e PM |
4707 | cpu_V0, cpu_V1); |
4708 | } else { | |
2a3f75b4 | 4709 | gen_helper_neon_qshl_s64(cpu_V0, |
0322b26e PM |
4710 | cpu_V0, cpu_V1); |
4711 | } | |
9ee6e8bb | 4712 | break; |
9ee6e8bb | 4713 | } |
ad69471c PB |
4714 | if (op == 1 || op == 3) { |
4715 | /* Accumulate. */ | |
5371cb81 | 4716 | neon_load_reg64(cpu_V1, rd + pass); |
ad69471c PB |
4717 | tcg_gen_add_i64(cpu_V0, cpu_V0, cpu_V1); |
4718 | } else if (op == 4 || (op == 5 && u)) { | |
4719 | /* Insert */ | |
923e6509 CL |
4720 | neon_load_reg64(cpu_V1, rd + pass); |
4721 | uint64_t mask; | |
4722 | if (shift < -63 || shift > 63) { | |
4723 | mask = 0; | |
4724 | } else { | |
4725 | if (op == 4) { | |
4726 | mask = 0xffffffffffffffffull >> -shift; | |
4727 | } else { | |
4728 | mask = 0xffffffffffffffffull << shift; | |
4729 | } | |
4730 | } | |
4731 | tcg_gen_andi_i64(cpu_V1, cpu_V1, ~mask); | |
4732 | tcg_gen_or_i64(cpu_V0, cpu_V0, cpu_V1); | |
ad69471c PB |
4733 | } |
4734 | neon_store_reg64(cpu_V0, rd + pass); | |
4735 | } else { /* size < 3 */ | |
4736 | /* Operands in T0 and T1. */ | |
dd8fbd78 | 4737 | tmp = neon_load_reg(rm, pass); |
7d1b0095 | 4738 | tmp2 = tcg_temp_new_i32(); |
dd8fbd78 | 4739 | tcg_gen_movi_i32(tmp2, imm); |
ad69471c PB |
4740 | switch (op) { |
4741 | case 0: /* VSHR */ | |
4742 | case 1: /* VSRA */ | |
4743 | GEN_NEON_INTEGER_OP(shl); | |
4744 | break; | |
4745 | case 2: /* VRSHR */ | |
4746 | case 3: /* VRSRA */ | |
4747 | GEN_NEON_INTEGER_OP(rshl); | |
4748 | break; | |
4749 | case 4: /* VSRI */ | |
4750 | if (!u) | |
4751 | return 1; | |
4752 | GEN_NEON_INTEGER_OP(shl); | |
4753 | break; | |
4754 | case 5: /* VSHL, VSLI */ | |
4755 | switch (size) { | |
dd8fbd78 FN |
4756 | case 0: gen_helper_neon_shl_u8(tmp, tmp, tmp2); break; |
4757 | case 1: gen_helper_neon_shl_u16(tmp, tmp, tmp2); break; | |
4758 | case 2: gen_helper_neon_shl_u32(tmp, tmp, tmp2); break; | |
ad69471c PB |
4759 | default: return 1; |
4760 | } | |
4761 | break; | |
0322b26e PM |
4762 | case 6: /* VQSHLU */ |
4763 | if (!u) { | |
4764 | return 1; | |
4765 | } | |
ad69471c | 4766 | switch (size) { |
0322b26e | 4767 | case 0: |
2a3f75b4 | 4768 | gen_helper_neon_qshlu_s8(tmp, tmp, tmp2); |
0322b26e PM |
4769 | break; |
4770 | case 1: | |
2a3f75b4 | 4771 | gen_helper_neon_qshlu_s16(tmp, tmp, tmp2); |
0322b26e PM |
4772 | break; |
4773 | case 2: | |
2a3f75b4 | 4774 | gen_helper_neon_qshlu_s32(tmp, tmp, tmp2); |
0322b26e PM |
4775 | break; |
4776 | default: | |
4777 | return 1; | |
ad69471c PB |
4778 | } |
4779 | break; | |
0322b26e | 4780 | case 7: /* VQSHL */ |
2a3f75b4 | 4781 | GEN_NEON_INTEGER_OP(qshl); |
0322b26e | 4782 | break; |
ad69471c | 4783 | } |
7d1b0095 | 4784 | tcg_temp_free_i32(tmp2); |
ad69471c PB |
4785 | |
4786 | if (op == 1 || op == 3) { | |
4787 | /* Accumulate. */ | |
dd8fbd78 | 4788 | tmp2 = neon_load_reg(rd, pass); |
5371cb81 | 4789 | gen_neon_add(size, tmp, tmp2); |
7d1b0095 | 4790 | tcg_temp_free_i32(tmp2); |
ad69471c PB |
4791 | } else if (op == 4 || (op == 5 && u)) { |
4792 | /* Insert */ | |
4793 | switch (size) { | |
4794 | case 0: | |
4795 | if (op == 4) | |
ca9a32e4 | 4796 | mask = 0xff >> -shift; |
ad69471c | 4797 | else |
ca9a32e4 JR |
4798 | mask = (uint8_t)(0xff << shift); |
4799 | mask |= mask << 8; | |
4800 | mask |= mask << 16; | |
ad69471c PB |
4801 | break; |
4802 | case 1: | |
4803 | if (op == 4) | |
ca9a32e4 | 4804 | mask = 0xffff >> -shift; |
ad69471c | 4805 | else |
ca9a32e4 JR |
4806 | mask = (uint16_t)(0xffff << shift); |
4807 | mask |= mask << 16; | |
ad69471c PB |
4808 | break; |
4809 | case 2: | |
ca9a32e4 JR |
4810 | if (shift < -31 || shift > 31) { |
4811 | mask = 0; | |
4812 | } else { | |
4813 | if (op == 4) | |
4814 | mask = 0xffffffffu >> -shift; | |
4815 | else | |
4816 | mask = 0xffffffffu << shift; | |
4817 | } | |
ad69471c PB |
4818 | break; |
4819 | default: | |
4820 | abort(); | |
4821 | } | |
dd8fbd78 | 4822 | tmp2 = neon_load_reg(rd, pass); |
ca9a32e4 JR |
4823 | tcg_gen_andi_i32(tmp, tmp, mask); |
4824 | tcg_gen_andi_i32(tmp2, tmp2, ~mask); | |
dd8fbd78 | 4825 | tcg_gen_or_i32(tmp, tmp, tmp2); |
7d1b0095 | 4826 | tcg_temp_free_i32(tmp2); |
ad69471c | 4827 | } |
dd8fbd78 | 4828 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb PB |
4829 | } |
4830 | } /* for pass */ | |
4831 | } else if (op < 10) { | |
ad69471c | 4832 | /* Shift by immediate and narrow: |
9ee6e8bb | 4833 | VSHRN, VRSHRN, VQSHRN, VQRSHRN. */ |
0b36f4cd CL |
4834 | int input_unsigned = (op == 8) ? !u : u; |
4835 | ||
9ee6e8bb PB |
4836 | shift = shift - (1 << (size + 3)); |
4837 | size++; | |
92cdfaeb | 4838 | if (size == 3) { |
a7812ae4 | 4839 | tmp64 = tcg_const_i64(shift); |
92cdfaeb PM |
4840 | neon_load_reg64(cpu_V0, rm); |
4841 | neon_load_reg64(cpu_V1, rm + 1); | |
4842 | for (pass = 0; pass < 2; pass++) { | |
4843 | TCGv_i64 in; | |
4844 | if (pass == 0) { | |
4845 | in = cpu_V0; | |
4846 | } else { | |
4847 | in = cpu_V1; | |
4848 | } | |
ad69471c | 4849 | if (q) { |
0b36f4cd | 4850 | if (input_unsigned) { |
92cdfaeb | 4851 | gen_helper_neon_rshl_u64(cpu_V0, in, tmp64); |
0b36f4cd | 4852 | } else { |
92cdfaeb | 4853 | gen_helper_neon_rshl_s64(cpu_V0, in, tmp64); |
0b36f4cd | 4854 | } |
ad69471c | 4855 | } else { |
0b36f4cd | 4856 | if (input_unsigned) { |
92cdfaeb | 4857 | gen_helper_neon_shl_u64(cpu_V0, in, tmp64); |
0b36f4cd | 4858 | } else { |
92cdfaeb | 4859 | gen_helper_neon_shl_s64(cpu_V0, in, tmp64); |
0b36f4cd | 4860 | } |
ad69471c | 4861 | } |
7d1b0095 | 4862 | tmp = tcg_temp_new_i32(); |
92cdfaeb PM |
4863 | gen_neon_narrow_op(op == 8, u, size - 1, tmp, cpu_V0); |
4864 | neon_store_reg(rd, pass, tmp); | |
4865 | } /* for pass */ | |
4866 | tcg_temp_free_i64(tmp64); | |
4867 | } else { | |
4868 | if (size == 1) { | |
4869 | imm = (uint16_t)shift; | |
4870 | imm |= imm << 16; | |
2c0262af | 4871 | } else { |
92cdfaeb PM |
4872 | /* size == 2 */ |
4873 | imm = (uint32_t)shift; | |
4874 | } | |
4875 | tmp2 = tcg_const_i32(imm); | |
4876 | tmp4 = neon_load_reg(rm + 1, 0); | |
4877 | tmp5 = neon_load_reg(rm + 1, 1); | |
4878 | for (pass = 0; pass < 2; pass++) { | |
4879 | if (pass == 0) { | |
4880 | tmp = neon_load_reg(rm, 0); | |
4881 | } else { | |
4882 | tmp = tmp4; | |
4883 | } | |
0b36f4cd CL |
4884 | gen_neon_shift_narrow(size, tmp, tmp2, q, |
4885 | input_unsigned); | |
92cdfaeb PM |
4886 | if (pass == 0) { |
4887 | tmp3 = neon_load_reg(rm, 1); | |
4888 | } else { | |
4889 | tmp3 = tmp5; | |
4890 | } | |
0b36f4cd CL |
4891 | gen_neon_shift_narrow(size, tmp3, tmp2, q, |
4892 | input_unsigned); | |
36aa55dc | 4893 | tcg_gen_concat_i32_i64(cpu_V0, tmp, tmp3); |
7d1b0095 PM |
4894 | tcg_temp_free_i32(tmp); |
4895 | tcg_temp_free_i32(tmp3); | |
4896 | tmp = tcg_temp_new_i32(); | |
92cdfaeb PM |
4897 | gen_neon_narrow_op(op == 8, u, size - 1, tmp, cpu_V0); |
4898 | neon_store_reg(rd, pass, tmp); | |
4899 | } /* for pass */ | |
c6067f04 | 4900 | tcg_temp_free_i32(tmp2); |
b75263d6 | 4901 | } |
9ee6e8bb PB |
4902 | } else if (op == 10) { |
4903 | /* VSHLL */ | |
ad69471c | 4904 | if (q || size == 3) |
9ee6e8bb | 4905 | return 1; |
ad69471c PB |
4906 | tmp = neon_load_reg(rm, 0); |
4907 | tmp2 = neon_load_reg(rm, 1); | |
9ee6e8bb | 4908 | for (pass = 0; pass < 2; pass++) { |
ad69471c PB |
4909 | if (pass == 1) |
4910 | tmp = tmp2; | |
4911 | ||
4912 | gen_neon_widen(cpu_V0, tmp, size, u); | |
9ee6e8bb | 4913 | |
9ee6e8bb PB |
4914 | if (shift != 0) { |
4915 | /* The shift is less than the width of the source | |
ad69471c PB |
4916 | type, so we can just shift the whole register. */ |
4917 | tcg_gen_shli_i64(cpu_V0, cpu_V0, shift); | |
acdf01ef CL |
4918 | /* Widen the result of shift: we need to clear |
4919 | * the potential overflow bits resulting from | |
4920 | * left bits of the narrow input appearing as | |
4921 | * right bits of left the neighbour narrow | |
4922 | * input. */ | |
ad69471c PB |
4923 | if (size < 2 || !u) { |
4924 | uint64_t imm64; | |
4925 | if (size == 0) { | |
4926 | imm = (0xffu >> (8 - shift)); | |
4927 | imm |= imm << 16; | |
acdf01ef | 4928 | } else if (size == 1) { |
ad69471c | 4929 | imm = 0xffff >> (16 - shift); |
acdf01ef CL |
4930 | } else { |
4931 | /* size == 2 */ | |
4932 | imm = 0xffffffff >> (32 - shift); | |
4933 | } | |
4934 | if (size < 2) { | |
4935 | imm64 = imm | (((uint64_t)imm) << 32); | |
4936 | } else { | |
4937 | imm64 = imm; | |
9ee6e8bb | 4938 | } |
acdf01ef | 4939 | tcg_gen_andi_i64(cpu_V0, cpu_V0, ~imm64); |
9ee6e8bb PB |
4940 | } |
4941 | } | |
ad69471c | 4942 | neon_store_reg64(cpu_V0, rd + pass); |
9ee6e8bb | 4943 | } |
f73534a5 | 4944 | } else if (op >= 14) { |
9ee6e8bb | 4945 | /* VCVT fixed-point. */ |
f73534a5 PM |
4946 | /* We have already masked out the must-be-1 top bit of imm6, |
4947 | * hence this 32-shift where the ARM ARM has 64-imm6. | |
4948 | */ | |
4949 | shift = 32 - shift; | |
9ee6e8bb | 4950 | for (pass = 0; pass < (q ? 4 : 2); pass++) { |
4373f3ce | 4951 | tcg_gen_ld_f32(cpu_F0s, cpu_env, neon_reg_offset(rm, pass)); |
f73534a5 | 4952 | if (!(op & 1)) { |
9ee6e8bb | 4953 | if (u) |
4373f3ce | 4954 | gen_vfp_ulto(0, shift); |
9ee6e8bb | 4955 | else |
4373f3ce | 4956 | gen_vfp_slto(0, shift); |
9ee6e8bb PB |
4957 | } else { |
4958 | if (u) | |
4373f3ce | 4959 | gen_vfp_toul(0, shift); |
9ee6e8bb | 4960 | else |
4373f3ce | 4961 | gen_vfp_tosl(0, shift); |
2c0262af | 4962 | } |
4373f3ce | 4963 | tcg_gen_st_f32(cpu_F0s, cpu_env, neon_reg_offset(rd, pass)); |
2c0262af FB |
4964 | } |
4965 | } else { | |
9ee6e8bb PB |
4966 | return 1; |
4967 | } | |
4968 | } else { /* (insn & 0x00380080) == 0 */ | |
4969 | int invert; | |
4970 | ||
4971 | op = (insn >> 8) & 0xf; | |
4972 | /* One register and immediate. */ | |
4973 | imm = (u << 7) | ((insn >> 12) & 0x70) | (insn & 0xf); | |
4974 | invert = (insn & (1 << 5)) != 0; | |
4975 | switch (op) { | |
4976 | case 0: case 1: | |
4977 | /* no-op */ | |
4978 | break; | |
4979 | case 2: case 3: | |
4980 | imm <<= 8; | |
4981 | break; | |
4982 | case 4: case 5: | |
4983 | imm <<= 16; | |
4984 | break; | |
4985 | case 6: case 7: | |
4986 | imm <<= 24; | |
4987 | break; | |
4988 | case 8: case 9: | |
4989 | imm |= imm << 16; | |
4990 | break; | |
4991 | case 10: case 11: | |
4992 | imm = (imm << 8) | (imm << 24); | |
4993 | break; | |
4994 | case 12: | |
8e31209e | 4995 | imm = (imm << 8) | 0xff; |
9ee6e8bb PB |
4996 | break; |
4997 | case 13: | |
4998 | imm = (imm << 16) | 0xffff; | |
4999 | break; | |
5000 | case 14: | |
5001 | imm |= (imm << 8) | (imm << 16) | (imm << 24); | |
5002 | if (invert) | |
5003 | imm = ~imm; | |
5004 | break; | |
5005 | case 15: | |
5006 | imm = ((imm & 0x80) << 24) | ((imm & 0x3f) << 19) | |
5007 | | ((imm & 0x40) ? (0x1f << 25) : (1 << 30)); | |
5008 | break; | |
5009 | } | |
5010 | if (invert) | |
5011 | imm = ~imm; | |
5012 | ||
9ee6e8bb PB |
5013 | for (pass = 0; pass < (q ? 4 : 2); pass++) { |
5014 | if (op & 1 && op < 12) { | |
ad69471c | 5015 | tmp = neon_load_reg(rd, pass); |
9ee6e8bb PB |
5016 | if (invert) { |
5017 | /* The immediate value has already been inverted, so | |
5018 | BIC becomes AND. */ | |
ad69471c | 5019 | tcg_gen_andi_i32(tmp, tmp, imm); |
9ee6e8bb | 5020 | } else { |
ad69471c | 5021 | tcg_gen_ori_i32(tmp, tmp, imm); |
9ee6e8bb | 5022 | } |
9ee6e8bb | 5023 | } else { |
ad69471c | 5024 | /* VMOV, VMVN. */ |
7d1b0095 | 5025 | tmp = tcg_temp_new_i32(); |
9ee6e8bb | 5026 | if (op == 14 && invert) { |
ad69471c PB |
5027 | uint32_t val; |
5028 | val = 0; | |
9ee6e8bb PB |
5029 | for (n = 0; n < 4; n++) { |
5030 | if (imm & (1 << (n + (pass & 1) * 4))) | |
ad69471c | 5031 | val |= 0xff << (n * 8); |
9ee6e8bb | 5032 | } |
ad69471c PB |
5033 | tcg_gen_movi_i32(tmp, val); |
5034 | } else { | |
5035 | tcg_gen_movi_i32(tmp, imm); | |
9ee6e8bb | 5036 | } |
9ee6e8bb | 5037 | } |
ad69471c | 5038 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb PB |
5039 | } |
5040 | } | |
e4b3861d | 5041 | } else { /* (insn & 0x00800010 == 0x00800000) */ |
9ee6e8bb PB |
5042 | if (size != 3) { |
5043 | op = (insn >> 8) & 0xf; | |
5044 | if ((insn & (1 << 6)) == 0) { | |
5045 | /* Three registers of different lengths. */ | |
5046 | int src1_wide; | |
5047 | int src2_wide; | |
5048 | int prewiden; | |
5049 | /* prewiden, src1_wide, src2_wide */ | |
5050 | static const int neon_3reg_wide[16][3] = { | |
5051 | {1, 0, 0}, /* VADDL */ | |
5052 | {1, 1, 0}, /* VADDW */ | |
5053 | {1, 0, 0}, /* VSUBL */ | |
5054 | {1, 1, 0}, /* VSUBW */ | |
5055 | {0, 1, 1}, /* VADDHN */ | |
5056 | {0, 0, 0}, /* VABAL */ | |
5057 | {0, 1, 1}, /* VSUBHN */ | |
5058 | {0, 0, 0}, /* VABDL */ | |
5059 | {0, 0, 0}, /* VMLAL */ | |
5060 | {0, 0, 0}, /* VQDMLAL */ | |
5061 | {0, 0, 0}, /* VMLSL */ | |
5062 | {0, 0, 0}, /* VQDMLSL */ | |
5063 | {0, 0, 0}, /* Integer VMULL */ | |
5064 | {0, 0, 0}, /* VQDMULL */ | |
5065 | {0, 0, 0} /* Polynomial VMULL */ | |
5066 | }; | |
5067 | ||
5068 | prewiden = neon_3reg_wide[op][0]; | |
5069 | src1_wide = neon_3reg_wide[op][1]; | |
5070 | src2_wide = neon_3reg_wide[op][2]; | |
5071 | ||
ad69471c PB |
5072 | if (size == 0 && (op == 9 || op == 11 || op == 13)) |
5073 | return 1; | |
5074 | ||
9ee6e8bb PB |
5075 | /* Avoid overlapping operands. Wide source operands are |
5076 | always aligned so will never overlap with wide | |
5077 | destinations in problematic ways. */ | |
8f8e3aa4 | 5078 | if (rd == rm && !src2_wide) { |
dd8fbd78 FN |
5079 | tmp = neon_load_reg(rm, 1); |
5080 | neon_store_scratch(2, tmp); | |
8f8e3aa4 | 5081 | } else if (rd == rn && !src1_wide) { |
dd8fbd78 FN |
5082 | tmp = neon_load_reg(rn, 1); |
5083 | neon_store_scratch(2, tmp); | |
9ee6e8bb | 5084 | } |
a50f5b91 | 5085 | TCGV_UNUSED(tmp3); |
9ee6e8bb | 5086 | for (pass = 0; pass < 2; pass++) { |
ad69471c PB |
5087 | if (src1_wide) { |
5088 | neon_load_reg64(cpu_V0, rn + pass); | |
a50f5b91 | 5089 | TCGV_UNUSED(tmp); |
9ee6e8bb | 5090 | } else { |
ad69471c | 5091 | if (pass == 1 && rd == rn) { |
dd8fbd78 | 5092 | tmp = neon_load_scratch(2); |
9ee6e8bb | 5093 | } else { |
ad69471c PB |
5094 | tmp = neon_load_reg(rn, pass); |
5095 | } | |
5096 | if (prewiden) { | |
5097 | gen_neon_widen(cpu_V0, tmp, size, u); | |
9ee6e8bb PB |
5098 | } |
5099 | } | |
ad69471c PB |
5100 | if (src2_wide) { |
5101 | neon_load_reg64(cpu_V1, rm + pass); | |
a50f5b91 | 5102 | TCGV_UNUSED(tmp2); |
9ee6e8bb | 5103 | } else { |
ad69471c | 5104 | if (pass == 1 && rd == rm) { |
dd8fbd78 | 5105 | tmp2 = neon_load_scratch(2); |
9ee6e8bb | 5106 | } else { |
ad69471c PB |
5107 | tmp2 = neon_load_reg(rm, pass); |
5108 | } | |
5109 | if (prewiden) { | |
5110 | gen_neon_widen(cpu_V1, tmp2, size, u); | |
9ee6e8bb | 5111 | } |
9ee6e8bb PB |
5112 | } |
5113 | switch (op) { | |
5114 | case 0: case 1: case 4: /* VADDL, VADDW, VADDHN, VRADDHN */ | |
ad69471c | 5115 | gen_neon_addl(size); |
9ee6e8bb | 5116 | break; |
79b0e534 | 5117 | case 2: case 3: case 6: /* VSUBL, VSUBW, VSUBHN, VRSUBHN */ |
ad69471c | 5118 | gen_neon_subl(size); |
9ee6e8bb PB |
5119 | break; |
5120 | case 5: case 7: /* VABAL, VABDL */ | |
5121 | switch ((size << 1) | u) { | |
ad69471c PB |
5122 | case 0: |
5123 | gen_helper_neon_abdl_s16(cpu_V0, tmp, tmp2); | |
5124 | break; | |
5125 | case 1: | |
5126 | gen_helper_neon_abdl_u16(cpu_V0, tmp, tmp2); | |
5127 | break; | |
5128 | case 2: | |
5129 | gen_helper_neon_abdl_s32(cpu_V0, tmp, tmp2); | |
5130 | break; | |
5131 | case 3: | |
5132 | gen_helper_neon_abdl_u32(cpu_V0, tmp, tmp2); | |
5133 | break; | |
5134 | case 4: | |
5135 | gen_helper_neon_abdl_s64(cpu_V0, tmp, tmp2); | |
5136 | break; | |
5137 | case 5: | |
5138 | gen_helper_neon_abdl_u64(cpu_V0, tmp, tmp2); | |
5139 | break; | |
9ee6e8bb PB |
5140 | default: abort(); |
5141 | } | |
7d1b0095 PM |
5142 | tcg_temp_free_i32(tmp2); |
5143 | tcg_temp_free_i32(tmp); | |
9ee6e8bb PB |
5144 | break; |
5145 | case 8: case 9: case 10: case 11: case 12: case 13: | |
5146 | /* VMLAL, VQDMLAL, VMLSL, VQDMLSL, VMULL, VQDMULL */ | |
ad69471c | 5147 | gen_neon_mull(cpu_V0, tmp, tmp2, size, u); |
9ee6e8bb PB |
5148 | break; |
5149 | case 14: /* Polynomial VMULL */ | |
e5ca24cb | 5150 | gen_helper_neon_mull_p8(cpu_V0, tmp, tmp2); |
7d1b0095 PM |
5151 | tcg_temp_free_i32(tmp2); |
5152 | tcg_temp_free_i32(tmp); | |
e5ca24cb | 5153 | break; |
9ee6e8bb PB |
5154 | default: /* 15 is RESERVED. */ |
5155 | return 1; | |
5156 | } | |
ebcd88ce PM |
5157 | if (op == 13) { |
5158 | /* VQDMULL */ | |
5159 | gen_neon_addl_saturate(cpu_V0, cpu_V0, size); | |
5160 | neon_store_reg64(cpu_V0, rd + pass); | |
5161 | } else if (op == 5 || (op >= 8 && op <= 11)) { | |
9ee6e8bb | 5162 | /* Accumulate. */ |
ebcd88ce | 5163 | neon_load_reg64(cpu_V1, rd + pass); |
9ee6e8bb | 5164 | switch (op) { |
4dc064e6 PM |
5165 | case 10: /* VMLSL */ |
5166 | gen_neon_negl(cpu_V0, size); | |
5167 | /* Fall through */ | |
5168 | case 5: case 8: /* VABAL, VMLAL */ | |
ad69471c | 5169 | gen_neon_addl(size); |
9ee6e8bb PB |
5170 | break; |
5171 | case 9: case 11: /* VQDMLAL, VQDMLSL */ | |
ad69471c | 5172 | gen_neon_addl_saturate(cpu_V0, cpu_V0, size); |
4dc064e6 PM |
5173 | if (op == 11) { |
5174 | gen_neon_negl(cpu_V0, size); | |
5175 | } | |
ad69471c PB |
5176 | gen_neon_addl_saturate(cpu_V0, cpu_V1, size); |
5177 | break; | |
9ee6e8bb PB |
5178 | default: |
5179 | abort(); | |
5180 | } | |
ad69471c | 5181 | neon_store_reg64(cpu_V0, rd + pass); |
9ee6e8bb PB |
5182 | } else if (op == 4 || op == 6) { |
5183 | /* Narrowing operation. */ | |
7d1b0095 | 5184 | tmp = tcg_temp_new_i32(); |
79b0e534 | 5185 | if (!u) { |
9ee6e8bb | 5186 | switch (size) { |
ad69471c PB |
5187 | case 0: |
5188 | gen_helper_neon_narrow_high_u8(tmp, cpu_V0); | |
5189 | break; | |
5190 | case 1: | |
5191 | gen_helper_neon_narrow_high_u16(tmp, cpu_V0); | |
5192 | break; | |
5193 | case 2: | |
5194 | tcg_gen_shri_i64(cpu_V0, cpu_V0, 32); | |
5195 | tcg_gen_trunc_i64_i32(tmp, cpu_V0); | |
5196 | break; | |
9ee6e8bb PB |
5197 | default: abort(); |
5198 | } | |
5199 | } else { | |
5200 | switch (size) { | |
ad69471c PB |
5201 | case 0: |
5202 | gen_helper_neon_narrow_round_high_u8(tmp, cpu_V0); | |
5203 | break; | |
5204 | case 1: | |
5205 | gen_helper_neon_narrow_round_high_u16(tmp, cpu_V0); | |
5206 | break; | |
5207 | case 2: | |
5208 | tcg_gen_addi_i64(cpu_V0, cpu_V0, 1u << 31); | |
5209 | tcg_gen_shri_i64(cpu_V0, cpu_V0, 32); | |
5210 | tcg_gen_trunc_i64_i32(tmp, cpu_V0); | |
5211 | break; | |
9ee6e8bb PB |
5212 | default: abort(); |
5213 | } | |
5214 | } | |
ad69471c PB |
5215 | if (pass == 0) { |
5216 | tmp3 = tmp; | |
5217 | } else { | |
5218 | neon_store_reg(rd, 0, tmp3); | |
5219 | neon_store_reg(rd, 1, tmp); | |
5220 | } | |
9ee6e8bb PB |
5221 | } else { |
5222 | /* Write back the result. */ | |
ad69471c | 5223 | neon_store_reg64(cpu_V0, rd + pass); |
9ee6e8bb PB |
5224 | } |
5225 | } | |
5226 | } else { | |
5227 | /* Two registers and a scalar. */ | |
5228 | switch (op) { | |
5229 | case 0: /* Integer VMLA scalar */ | |
5230 | case 1: /* Float VMLA scalar */ | |
5231 | case 4: /* Integer VMLS scalar */ | |
5232 | case 5: /* Floating point VMLS scalar */ | |
5233 | case 8: /* Integer VMUL scalar */ | |
5234 | case 9: /* Floating point VMUL scalar */ | |
5235 | case 12: /* VQDMULH scalar */ | |
5236 | case 13: /* VQRDMULH scalar */ | |
dd8fbd78 FN |
5237 | tmp = neon_get_scalar(size, rm); |
5238 | neon_store_scratch(0, tmp); | |
9ee6e8bb | 5239 | for (pass = 0; pass < (u ? 4 : 2); pass++) { |
dd8fbd78 FN |
5240 | tmp = neon_load_scratch(0); |
5241 | tmp2 = neon_load_reg(rn, pass); | |
9ee6e8bb PB |
5242 | if (op == 12) { |
5243 | if (size == 1) { | |
2a3f75b4 | 5244 | gen_helper_neon_qdmulh_s16(tmp, tmp, tmp2); |
9ee6e8bb | 5245 | } else { |
2a3f75b4 | 5246 | gen_helper_neon_qdmulh_s32(tmp, tmp, tmp2); |
9ee6e8bb PB |
5247 | } |
5248 | } else if (op == 13) { | |
5249 | if (size == 1) { | |
2a3f75b4 | 5250 | gen_helper_neon_qrdmulh_s16(tmp, tmp, tmp2); |
9ee6e8bb | 5251 | } else { |
2a3f75b4 | 5252 | gen_helper_neon_qrdmulh_s32(tmp, tmp, tmp2); |
9ee6e8bb PB |
5253 | } |
5254 | } else if (op & 1) { | |
dd8fbd78 | 5255 | gen_helper_neon_mul_f32(tmp, tmp, tmp2); |
9ee6e8bb PB |
5256 | } else { |
5257 | switch (size) { | |
dd8fbd78 FN |
5258 | case 0: gen_helper_neon_mul_u8(tmp, tmp, tmp2); break; |
5259 | case 1: gen_helper_neon_mul_u16(tmp, tmp, tmp2); break; | |
5260 | case 2: tcg_gen_mul_i32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
5261 | default: return 1; |
5262 | } | |
5263 | } | |
7d1b0095 | 5264 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
5265 | if (op < 8) { |
5266 | /* Accumulate. */ | |
dd8fbd78 | 5267 | tmp2 = neon_load_reg(rd, pass); |
9ee6e8bb PB |
5268 | switch (op) { |
5269 | case 0: | |
dd8fbd78 | 5270 | gen_neon_add(size, tmp, tmp2); |
9ee6e8bb PB |
5271 | break; |
5272 | case 1: | |
dd8fbd78 | 5273 | gen_helper_neon_add_f32(tmp, tmp, tmp2); |
9ee6e8bb PB |
5274 | break; |
5275 | case 4: | |
dd8fbd78 | 5276 | gen_neon_rsb(size, tmp, tmp2); |
9ee6e8bb PB |
5277 | break; |
5278 | case 5: | |
dd8fbd78 | 5279 | gen_helper_neon_sub_f32(tmp, tmp2, tmp); |
9ee6e8bb PB |
5280 | break; |
5281 | default: | |
5282 | abort(); | |
5283 | } | |
7d1b0095 | 5284 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 5285 | } |
dd8fbd78 | 5286 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb PB |
5287 | } |
5288 | break; | |
5289 | case 2: /* VMLAL sclar */ | |
5290 | case 3: /* VQDMLAL scalar */ | |
5291 | case 6: /* VMLSL scalar */ | |
5292 | case 7: /* VQDMLSL scalar */ | |
5293 | case 10: /* VMULL scalar */ | |
5294 | case 11: /* VQDMULL scalar */ | |
ad69471c PB |
5295 | if (size == 0 && (op == 3 || op == 7 || op == 11)) |
5296 | return 1; | |
5297 | ||
dd8fbd78 | 5298 | tmp2 = neon_get_scalar(size, rm); |
c6067f04 CL |
5299 | /* We need a copy of tmp2 because gen_neon_mull |
5300 | * deletes it during pass 0. */ | |
7d1b0095 | 5301 | tmp4 = tcg_temp_new_i32(); |
c6067f04 | 5302 | tcg_gen_mov_i32(tmp4, tmp2); |
dd8fbd78 | 5303 | tmp3 = neon_load_reg(rn, 1); |
ad69471c | 5304 | |
9ee6e8bb | 5305 | for (pass = 0; pass < 2; pass++) { |
ad69471c PB |
5306 | if (pass == 0) { |
5307 | tmp = neon_load_reg(rn, 0); | |
9ee6e8bb | 5308 | } else { |
dd8fbd78 | 5309 | tmp = tmp3; |
c6067f04 | 5310 | tmp2 = tmp4; |
9ee6e8bb | 5311 | } |
ad69471c | 5312 | gen_neon_mull(cpu_V0, tmp, tmp2, size, u); |
ad69471c PB |
5313 | if (op != 11) { |
5314 | neon_load_reg64(cpu_V1, rd + pass); | |
9ee6e8bb | 5315 | } |
9ee6e8bb | 5316 | switch (op) { |
4dc064e6 PM |
5317 | case 6: |
5318 | gen_neon_negl(cpu_V0, size); | |
5319 | /* Fall through */ | |
5320 | case 2: | |
ad69471c | 5321 | gen_neon_addl(size); |
9ee6e8bb PB |
5322 | break; |
5323 | case 3: case 7: | |
ad69471c | 5324 | gen_neon_addl_saturate(cpu_V0, cpu_V0, size); |
4dc064e6 PM |
5325 | if (op == 7) { |
5326 | gen_neon_negl(cpu_V0, size); | |
5327 | } | |
ad69471c | 5328 | gen_neon_addl_saturate(cpu_V0, cpu_V1, size); |
9ee6e8bb PB |
5329 | break; |
5330 | case 10: | |
5331 | /* no-op */ | |
5332 | break; | |
5333 | case 11: | |
ad69471c | 5334 | gen_neon_addl_saturate(cpu_V0, cpu_V0, size); |
9ee6e8bb PB |
5335 | break; |
5336 | default: | |
5337 | abort(); | |
5338 | } | |
ad69471c | 5339 | neon_store_reg64(cpu_V0, rd + pass); |
9ee6e8bb | 5340 | } |
dd8fbd78 | 5341 | |
dd8fbd78 | 5342 | |
9ee6e8bb PB |
5343 | break; |
5344 | default: /* 14 and 15 are RESERVED */ | |
5345 | return 1; | |
5346 | } | |
5347 | } | |
5348 | } else { /* size == 3 */ | |
5349 | if (!u) { | |
5350 | /* Extract. */ | |
9ee6e8bb | 5351 | imm = (insn >> 8) & 0xf; |
ad69471c PB |
5352 | |
5353 | if (imm > 7 && !q) | |
5354 | return 1; | |
5355 | ||
5356 | if (imm == 0) { | |
5357 | neon_load_reg64(cpu_V0, rn); | |
5358 | if (q) { | |
5359 | neon_load_reg64(cpu_V1, rn + 1); | |
9ee6e8bb | 5360 | } |
ad69471c PB |
5361 | } else if (imm == 8) { |
5362 | neon_load_reg64(cpu_V0, rn + 1); | |
5363 | if (q) { | |
5364 | neon_load_reg64(cpu_V1, rm); | |
9ee6e8bb | 5365 | } |
ad69471c | 5366 | } else if (q) { |
a7812ae4 | 5367 | tmp64 = tcg_temp_new_i64(); |
ad69471c PB |
5368 | if (imm < 8) { |
5369 | neon_load_reg64(cpu_V0, rn); | |
a7812ae4 | 5370 | neon_load_reg64(tmp64, rn + 1); |
ad69471c PB |
5371 | } else { |
5372 | neon_load_reg64(cpu_V0, rn + 1); | |
a7812ae4 | 5373 | neon_load_reg64(tmp64, rm); |
ad69471c PB |
5374 | } |
5375 | tcg_gen_shri_i64(cpu_V0, cpu_V0, (imm & 7) * 8); | |
a7812ae4 | 5376 | tcg_gen_shli_i64(cpu_V1, tmp64, 64 - ((imm & 7) * 8)); |
ad69471c PB |
5377 | tcg_gen_or_i64(cpu_V0, cpu_V0, cpu_V1); |
5378 | if (imm < 8) { | |
5379 | neon_load_reg64(cpu_V1, rm); | |
9ee6e8bb | 5380 | } else { |
ad69471c PB |
5381 | neon_load_reg64(cpu_V1, rm + 1); |
5382 | imm -= 8; | |
9ee6e8bb | 5383 | } |
ad69471c | 5384 | tcg_gen_shli_i64(cpu_V1, cpu_V1, 64 - (imm * 8)); |
a7812ae4 PB |
5385 | tcg_gen_shri_i64(tmp64, tmp64, imm * 8); |
5386 | tcg_gen_or_i64(cpu_V1, cpu_V1, tmp64); | |
b75263d6 | 5387 | tcg_temp_free_i64(tmp64); |
ad69471c | 5388 | } else { |
a7812ae4 | 5389 | /* BUGFIX */ |
ad69471c | 5390 | neon_load_reg64(cpu_V0, rn); |
a7812ae4 | 5391 | tcg_gen_shri_i64(cpu_V0, cpu_V0, imm * 8); |
ad69471c | 5392 | neon_load_reg64(cpu_V1, rm); |
a7812ae4 | 5393 | tcg_gen_shli_i64(cpu_V1, cpu_V1, 64 - (imm * 8)); |
ad69471c PB |
5394 | tcg_gen_or_i64(cpu_V0, cpu_V0, cpu_V1); |
5395 | } | |
5396 | neon_store_reg64(cpu_V0, rd); | |
5397 | if (q) { | |
5398 | neon_store_reg64(cpu_V1, rd + 1); | |
9ee6e8bb PB |
5399 | } |
5400 | } else if ((insn & (1 << 11)) == 0) { | |
5401 | /* Two register misc. */ | |
5402 | op = ((insn >> 12) & 0x30) | ((insn >> 7) & 0xf); | |
5403 | size = (insn >> 18) & 3; | |
5404 | switch (op) { | |
5405 | case 0: /* VREV64 */ | |
5406 | if (size == 3) | |
5407 | return 1; | |
5408 | for (pass = 0; pass < (q ? 2 : 1); pass++) { | |
dd8fbd78 FN |
5409 | tmp = neon_load_reg(rm, pass * 2); |
5410 | tmp2 = neon_load_reg(rm, pass * 2 + 1); | |
9ee6e8bb | 5411 | switch (size) { |
dd8fbd78 FN |
5412 | case 0: tcg_gen_bswap32_i32(tmp, tmp); break; |
5413 | case 1: gen_swap_half(tmp); break; | |
9ee6e8bb PB |
5414 | case 2: /* no-op */ break; |
5415 | default: abort(); | |
5416 | } | |
dd8fbd78 | 5417 | neon_store_reg(rd, pass * 2 + 1, tmp); |
9ee6e8bb | 5418 | if (size == 2) { |
dd8fbd78 | 5419 | neon_store_reg(rd, pass * 2, tmp2); |
9ee6e8bb | 5420 | } else { |
9ee6e8bb | 5421 | switch (size) { |
dd8fbd78 FN |
5422 | case 0: tcg_gen_bswap32_i32(tmp2, tmp2); break; |
5423 | case 1: gen_swap_half(tmp2); break; | |
9ee6e8bb PB |
5424 | default: abort(); |
5425 | } | |
dd8fbd78 | 5426 | neon_store_reg(rd, pass * 2, tmp2); |
9ee6e8bb PB |
5427 | } |
5428 | } | |
5429 | break; | |
5430 | case 4: case 5: /* VPADDL */ | |
5431 | case 12: case 13: /* VPADAL */ | |
9ee6e8bb PB |
5432 | if (size == 3) |
5433 | return 1; | |
ad69471c PB |
5434 | for (pass = 0; pass < q + 1; pass++) { |
5435 | tmp = neon_load_reg(rm, pass * 2); | |
5436 | gen_neon_widen(cpu_V0, tmp, size, op & 1); | |
5437 | tmp = neon_load_reg(rm, pass * 2 + 1); | |
5438 | gen_neon_widen(cpu_V1, tmp, size, op & 1); | |
5439 | switch (size) { | |
5440 | case 0: gen_helper_neon_paddl_u16(CPU_V001); break; | |
5441 | case 1: gen_helper_neon_paddl_u32(CPU_V001); break; | |
5442 | case 2: tcg_gen_add_i64(CPU_V001); break; | |
5443 | default: abort(); | |
5444 | } | |
9ee6e8bb PB |
5445 | if (op >= 12) { |
5446 | /* Accumulate. */ | |
ad69471c PB |
5447 | neon_load_reg64(cpu_V1, rd + pass); |
5448 | gen_neon_addl(size); | |
9ee6e8bb | 5449 | } |
ad69471c | 5450 | neon_store_reg64(cpu_V0, rd + pass); |
9ee6e8bb PB |
5451 | } |
5452 | break; | |
5453 | case 33: /* VTRN */ | |
5454 | if (size == 2) { | |
5455 | for (n = 0; n < (q ? 4 : 2); n += 2) { | |
dd8fbd78 FN |
5456 | tmp = neon_load_reg(rm, n); |
5457 | tmp2 = neon_load_reg(rd, n + 1); | |
5458 | neon_store_reg(rm, n, tmp2); | |
5459 | neon_store_reg(rd, n + 1, tmp); | |
9ee6e8bb PB |
5460 | } |
5461 | } else { | |
5462 | goto elementwise; | |
5463 | } | |
5464 | break; | |
5465 | case 34: /* VUZP */ | |
02acedf9 | 5466 | if (gen_neon_unzip(rd, rm, size, q)) { |
9ee6e8bb | 5467 | return 1; |
9ee6e8bb PB |
5468 | } |
5469 | break; | |
5470 | case 35: /* VZIP */ | |
d68a6f3a | 5471 | if (gen_neon_zip(rd, rm, size, q)) { |
9ee6e8bb | 5472 | return 1; |
9ee6e8bb PB |
5473 | } |
5474 | break; | |
5475 | case 36: case 37: /* VMOVN, VQMOVUN, VQMOVN */ | |
ad69471c PB |
5476 | if (size == 3) |
5477 | return 1; | |
a50f5b91 | 5478 | TCGV_UNUSED(tmp2); |
9ee6e8bb | 5479 | for (pass = 0; pass < 2; pass++) { |
ad69471c | 5480 | neon_load_reg64(cpu_V0, rm + pass); |
7d1b0095 | 5481 | tmp = tcg_temp_new_i32(); |
c33171c7 | 5482 | gen_neon_narrow_op(op == 36, q, size, tmp, cpu_V0); |
ad69471c PB |
5483 | if (pass == 0) { |
5484 | tmp2 = tmp; | |
5485 | } else { | |
5486 | neon_store_reg(rd, 0, tmp2); | |
5487 | neon_store_reg(rd, 1, tmp); | |
9ee6e8bb | 5488 | } |
9ee6e8bb PB |
5489 | } |
5490 | break; | |
5491 | case 38: /* VSHLL */ | |
ad69471c | 5492 | if (q || size == 3) |
9ee6e8bb | 5493 | return 1; |
ad69471c PB |
5494 | tmp = neon_load_reg(rm, 0); |
5495 | tmp2 = neon_load_reg(rm, 1); | |
9ee6e8bb | 5496 | for (pass = 0; pass < 2; pass++) { |
ad69471c PB |
5497 | if (pass == 1) |
5498 | tmp = tmp2; | |
5499 | gen_neon_widen(cpu_V0, tmp, size, 1); | |
30d11a2a | 5500 | tcg_gen_shli_i64(cpu_V0, cpu_V0, 8 << size); |
ad69471c | 5501 | neon_store_reg64(cpu_V0, rd + pass); |
9ee6e8bb PB |
5502 | } |
5503 | break; | |
60011498 PB |
5504 | case 44: /* VCVT.F16.F32 */ |
5505 | if (!arm_feature(env, ARM_FEATURE_VFP_FP16)) | |
5506 | return 1; | |
7d1b0095 PM |
5507 | tmp = tcg_temp_new_i32(); |
5508 | tmp2 = tcg_temp_new_i32(); | |
60011498 | 5509 | tcg_gen_ld_f32(cpu_F0s, cpu_env, neon_reg_offset(rm, 0)); |
2d981da7 | 5510 | gen_helper_neon_fcvt_f32_to_f16(tmp, cpu_F0s, cpu_env); |
60011498 | 5511 | tcg_gen_ld_f32(cpu_F0s, cpu_env, neon_reg_offset(rm, 1)); |
2d981da7 | 5512 | gen_helper_neon_fcvt_f32_to_f16(tmp2, cpu_F0s, cpu_env); |
60011498 PB |
5513 | tcg_gen_shli_i32(tmp2, tmp2, 16); |
5514 | tcg_gen_or_i32(tmp2, tmp2, tmp); | |
5515 | tcg_gen_ld_f32(cpu_F0s, cpu_env, neon_reg_offset(rm, 2)); | |
2d981da7 | 5516 | gen_helper_neon_fcvt_f32_to_f16(tmp, cpu_F0s, cpu_env); |
60011498 PB |
5517 | tcg_gen_ld_f32(cpu_F0s, cpu_env, neon_reg_offset(rm, 3)); |
5518 | neon_store_reg(rd, 0, tmp2); | |
7d1b0095 | 5519 | tmp2 = tcg_temp_new_i32(); |
2d981da7 | 5520 | gen_helper_neon_fcvt_f32_to_f16(tmp2, cpu_F0s, cpu_env); |
60011498 PB |
5521 | tcg_gen_shli_i32(tmp2, tmp2, 16); |
5522 | tcg_gen_or_i32(tmp2, tmp2, tmp); | |
5523 | neon_store_reg(rd, 1, tmp2); | |
7d1b0095 | 5524 | tcg_temp_free_i32(tmp); |
60011498 PB |
5525 | break; |
5526 | case 46: /* VCVT.F32.F16 */ | |
5527 | if (!arm_feature(env, ARM_FEATURE_VFP_FP16)) | |
5528 | return 1; | |
7d1b0095 | 5529 | tmp3 = tcg_temp_new_i32(); |
60011498 PB |
5530 | tmp = neon_load_reg(rm, 0); |
5531 | tmp2 = neon_load_reg(rm, 1); | |
5532 | tcg_gen_ext16u_i32(tmp3, tmp); | |
2d981da7 | 5533 | gen_helper_neon_fcvt_f16_to_f32(cpu_F0s, tmp3, cpu_env); |
60011498 PB |
5534 | tcg_gen_st_f32(cpu_F0s, cpu_env, neon_reg_offset(rd, 0)); |
5535 | tcg_gen_shri_i32(tmp3, tmp, 16); | |
2d981da7 | 5536 | gen_helper_neon_fcvt_f16_to_f32(cpu_F0s, tmp3, cpu_env); |
60011498 | 5537 | tcg_gen_st_f32(cpu_F0s, cpu_env, neon_reg_offset(rd, 1)); |
7d1b0095 | 5538 | tcg_temp_free_i32(tmp); |
60011498 | 5539 | tcg_gen_ext16u_i32(tmp3, tmp2); |
2d981da7 | 5540 | gen_helper_neon_fcvt_f16_to_f32(cpu_F0s, tmp3, cpu_env); |
60011498 PB |
5541 | tcg_gen_st_f32(cpu_F0s, cpu_env, neon_reg_offset(rd, 2)); |
5542 | tcg_gen_shri_i32(tmp3, tmp2, 16); | |
2d981da7 | 5543 | gen_helper_neon_fcvt_f16_to_f32(cpu_F0s, tmp3, cpu_env); |
60011498 | 5544 | tcg_gen_st_f32(cpu_F0s, cpu_env, neon_reg_offset(rd, 3)); |
7d1b0095 PM |
5545 | tcg_temp_free_i32(tmp2); |
5546 | tcg_temp_free_i32(tmp3); | |
60011498 | 5547 | break; |
9ee6e8bb PB |
5548 | default: |
5549 | elementwise: | |
5550 | for (pass = 0; pass < (q ? 4 : 2); pass++) { | |
5551 | if (op == 30 || op == 31 || op >= 58) { | |
4373f3ce PB |
5552 | tcg_gen_ld_f32(cpu_F0s, cpu_env, |
5553 | neon_reg_offset(rm, pass)); | |
dd8fbd78 | 5554 | TCGV_UNUSED(tmp); |
9ee6e8bb | 5555 | } else { |
dd8fbd78 | 5556 | tmp = neon_load_reg(rm, pass); |
9ee6e8bb PB |
5557 | } |
5558 | switch (op) { | |
5559 | case 1: /* VREV32 */ | |
5560 | switch (size) { | |
dd8fbd78 FN |
5561 | case 0: tcg_gen_bswap32_i32(tmp, tmp); break; |
5562 | case 1: gen_swap_half(tmp); break; | |
9ee6e8bb PB |
5563 | default: return 1; |
5564 | } | |
5565 | break; | |
5566 | case 2: /* VREV16 */ | |
5567 | if (size != 0) | |
5568 | return 1; | |
dd8fbd78 | 5569 | gen_rev16(tmp); |
9ee6e8bb | 5570 | break; |
9ee6e8bb PB |
5571 | case 8: /* CLS */ |
5572 | switch (size) { | |
dd8fbd78 FN |
5573 | case 0: gen_helper_neon_cls_s8(tmp, tmp); break; |
5574 | case 1: gen_helper_neon_cls_s16(tmp, tmp); break; | |
5575 | case 2: gen_helper_neon_cls_s32(tmp, tmp); break; | |
9ee6e8bb PB |
5576 | default: return 1; |
5577 | } | |
5578 | break; | |
5579 | case 9: /* CLZ */ | |
5580 | switch (size) { | |
dd8fbd78 FN |
5581 | case 0: gen_helper_neon_clz_u8(tmp, tmp); break; |
5582 | case 1: gen_helper_neon_clz_u16(tmp, tmp); break; | |
5583 | case 2: gen_helper_clz(tmp, tmp); break; | |
9ee6e8bb PB |
5584 | default: return 1; |
5585 | } | |
5586 | break; | |
5587 | case 10: /* CNT */ | |
5588 | if (size != 0) | |
5589 | return 1; | |
dd8fbd78 | 5590 | gen_helper_neon_cnt_u8(tmp, tmp); |
9ee6e8bb PB |
5591 | break; |
5592 | case 11: /* VNOT */ | |
5593 | if (size != 0) | |
5594 | return 1; | |
dd8fbd78 | 5595 | tcg_gen_not_i32(tmp, tmp); |
9ee6e8bb PB |
5596 | break; |
5597 | case 14: /* VQABS */ | |
5598 | switch (size) { | |
2a3f75b4 PM |
5599 | case 0: gen_helper_neon_qabs_s8(tmp, tmp); break; |
5600 | case 1: gen_helper_neon_qabs_s16(tmp, tmp); break; | |
5601 | case 2: gen_helper_neon_qabs_s32(tmp, tmp); break; | |
9ee6e8bb PB |
5602 | default: return 1; |
5603 | } | |
5604 | break; | |
5605 | case 15: /* VQNEG */ | |
5606 | switch (size) { | |
2a3f75b4 PM |
5607 | case 0: gen_helper_neon_qneg_s8(tmp, tmp); break; |
5608 | case 1: gen_helper_neon_qneg_s16(tmp, tmp); break; | |
5609 | case 2: gen_helper_neon_qneg_s32(tmp, tmp); break; | |
9ee6e8bb PB |
5610 | default: return 1; |
5611 | } | |
5612 | break; | |
5613 | case 16: case 19: /* VCGT #0, VCLE #0 */ | |
dd8fbd78 | 5614 | tmp2 = tcg_const_i32(0); |
9ee6e8bb | 5615 | switch(size) { |
dd8fbd78 FN |
5616 | case 0: gen_helper_neon_cgt_s8(tmp, tmp, tmp2); break; |
5617 | case 1: gen_helper_neon_cgt_s16(tmp, tmp, tmp2); break; | |
5618 | case 2: gen_helper_neon_cgt_s32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
5619 | default: return 1; |
5620 | } | |
dd8fbd78 | 5621 | tcg_temp_free(tmp2); |
9ee6e8bb | 5622 | if (op == 19) |
dd8fbd78 | 5623 | tcg_gen_not_i32(tmp, tmp); |
9ee6e8bb PB |
5624 | break; |
5625 | case 17: case 20: /* VCGE #0, VCLT #0 */ | |
dd8fbd78 | 5626 | tmp2 = tcg_const_i32(0); |
9ee6e8bb | 5627 | switch(size) { |
dd8fbd78 FN |
5628 | case 0: gen_helper_neon_cge_s8(tmp, tmp, tmp2); break; |
5629 | case 1: gen_helper_neon_cge_s16(tmp, tmp, tmp2); break; | |
5630 | case 2: gen_helper_neon_cge_s32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
5631 | default: return 1; |
5632 | } | |
dd8fbd78 | 5633 | tcg_temp_free(tmp2); |
9ee6e8bb | 5634 | if (op == 20) |
dd8fbd78 | 5635 | tcg_gen_not_i32(tmp, tmp); |
9ee6e8bb PB |
5636 | break; |
5637 | case 18: /* VCEQ #0 */ | |
dd8fbd78 | 5638 | tmp2 = tcg_const_i32(0); |
9ee6e8bb | 5639 | switch(size) { |
dd8fbd78 FN |
5640 | case 0: gen_helper_neon_ceq_u8(tmp, tmp, tmp2); break; |
5641 | case 1: gen_helper_neon_ceq_u16(tmp, tmp, tmp2); break; | |
5642 | case 2: gen_helper_neon_ceq_u32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
5643 | default: return 1; |
5644 | } | |
dd8fbd78 | 5645 | tcg_temp_free(tmp2); |
9ee6e8bb PB |
5646 | break; |
5647 | case 22: /* VABS */ | |
5648 | switch(size) { | |
dd8fbd78 FN |
5649 | case 0: gen_helper_neon_abs_s8(tmp, tmp); break; |
5650 | case 1: gen_helper_neon_abs_s16(tmp, tmp); break; | |
5651 | case 2: tcg_gen_abs_i32(tmp, tmp); break; | |
9ee6e8bb PB |
5652 | default: return 1; |
5653 | } | |
5654 | break; | |
5655 | case 23: /* VNEG */ | |
ad69471c PB |
5656 | if (size == 3) |
5657 | return 1; | |
dd8fbd78 FN |
5658 | tmp2 = tcg_const_i32(0); |
5659 | gen_neon_rsb(size, tmp, tmp2); | |
5660 | tcg_temp_free(tmp2); | |
9ee6e8bb | 5661 | break; |
0e326109 | 5662 | case 24: /* Float VCGT #0 */ |
dd8fbd78 FN |
5663 | tmp2 = tcg_const_i32(0); |
5664 | gen_helper_neon_cgt_f32(tmp, tmp, tmp2); | |
5665 | tcg_temp_free(tmp2); | |
9ee6e8bb | 5666 | break; |
0e326109 | 5667 | case 25: /* Float VCGE #0 */ |
dd8fbd78 FN |
5668 | tmp2 = tcg_const_i32(0); |
5669 | gen_helper_neon_cge_f32(tmp, tmp, tmp2); | |
5670 | tcg_temp_free(tmp2); | |
9ee6e8bb PB |
5671 | break; |
5672 | case 26: /* Float VCEQ #0 */ | |
dd8fbd78 FN |
5673 | tmp2 = tcg_const_i32(0); |
5674 | gen_helper_neon_ceq_f32(tmp, tmp, tmp2); | |
5675 | tcg_temp_free(tmp2); | |
9ee6e8bb | 5676 | break; |
0e326109 PM |
5677 | case 27: /* Float VCLE #0 */ |
5678 | tmp2 = tcg_const_i32(0); | |
5679 | gen_helper_neon_cge_f32(tmp, tmp2, tmp); | |
5680 | tcg_temp_free(tmp2); | |
5681 | break; | |
5682 | case 28: /* Float VCLT #0 */ | |
5683 | tmp2 = tcg_const_i32(0); | |
5684 | gen_helper_neon_cgt_f32(tmp, tmp2, tmp); | |
5685 | tcg_temp_free(tmp2); | |
5686 | break; | |
9ee6e8bb | 5687 | case 30: /* Float VABS */ |
4373f3ce | 5688 | gen_vfp_abs(0); |
9ee6e8bb PB |
5689 | break; |
5690 | case 31: /* Float VNEG */ | |
4373f3ce | 5691 | gen_vfp_neg(0); |
9ee6e8bb PB |
5692 | break; |
5693 | case 32: /* VSWP */ | |
dd8fbd78 FN |
5694 | tmp2 = neon_load_reg(rd, pass); |
5695 | neon_store_reg(rm, pass, tmp2); | |
9ee6e8bb PB |
5696 | break; |
5697 | case 33: /* VTRN */ | |
dd8fbd78 | 5698 | tmp2 = neon_load_reg(rd, pass); |
9ee6e8bb | 5699 | switch (size) { |
dd8fbd78 FN |
5700 | case 0: gen_neon_trn_u8(tmp, tmp2); break; |
5701 | case 1: gen_neon_trn_u16(tmp, tmp2); break; | |
9ee6e8bb PB |
5702 | case 2: abort(); |
5703 | default: return 1; | |
5704 | } | |
dd8fbd78 | 5705 | neon_store_reg(rm, pass, tmp2); |
9ee6e8bb PB |
5706 | break; |
5707 | case 56: /* Integer VRECPE */ | |
dd8fbd78 | 5708 | gen_helper_recpe_u32(tmp, tmp, cpu_env); |
9ee6e8bb PB |
5709 | break; |
5710 | case 57: /* Integer VRSQRTE */ | |
dd8fbd78 | 5711 | gen_helper_rsqrte_u32(tmp, tmp, cpu_env); |
9ee6e8bb PB |
5712 | break; |
5713 | case 58: /* Float VRECPE */ | |
4373f3ce | 5714 | gen_helper_recpe_f32(cpu_F0s, cpu_F0s, cpu_env); |
9ee6e8bb PB |
5715 | break; |
5716 | case 59: /* Float VRSQRTE */ | |
4373f3ce | 5717 | gen_helper_rsqrte_f32(cpu_F0s, cpu_F0s, cpu_env); |
9ee6e8bb PB |
5718 | break; |
5719 | case 60: /* VCVT.F32.S32 */ | |
d3587ef8 | 5720 | gen_vfp_sito(0); |
9ee6e8bb PB |
5721 | break; |
5722 | case 61: /* VCVT.F32.U32 */ | |
d3587ef8 | 5723 | gen_vfp_uito(0); |
9ee6e8bb PB |
5724 | break; |
5725 | case 62: /* VCVT.S32.F32 */ | |
d3587ef8 | 5726 | gen_vfp_tosiz(0); |
9ee6e8bb PB |
5727 | break; |
5728 | case 63: /* VCVT.U32.F32 */ | |
d3587ef8 | 5729 | gen_vfp_touiz(0); |
9ee6e8bb PB |
5730 | break; |
5731 | default: | |
5732 | /* Reserved: 21, 29, 39-56 */ | |
5733 | return 1; | |
5734 | } | |
5735 | if (op == 30 || op == 31 || op >= 58) { | |
4373f3ce PB |
5736 | tcg_gen_st_f32(cpu_F0s, cpu_env, |
5737 | neon_reg_offset(rd, pass)); | |
9ee6e8bb | 5738 | } else { |
dd8fbd78 | 5739 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb PB |
5740 | } |
5741 | } | |
5742 | break; | |
5743 | } | |
5744 | } else if ((insn & (1 << 10)) == 0) { | |
5745 | /* VTBL, VTBX. */ | |
3018f259 | 5746 | n = ((insn >> 5) & 0x18) + 8; |
9ee6e8bb | 5747 | if (insn & (1 << 6)) { |
8f8e3aa4 | 5748 | tmp = neon_load_reg(rd, 0); |
9ee6e8bb | 5749 | } else { |
7d1b0095 | 5750 | tmp = tcg_temp_new_i32(); |
8f8e3aa4 | 5751 | tcg_gen_movi_i32(tmp, 0); |
9ee6e8bb | 5752 | } |
8f8e3aa4 | 5753 | tmp2 = neon_load_reg(rm, 0); |
b75263d6 JR |
5754 | tmp4 = tcg_const_i32(rn); |
5755 | tmp5 = tcg_const_i32(n); | |
5756 | gen_helper_neon_tbl(tmp2, tmp2, tmp, tmp4, tmp5); | |
7d1b0095 | 5757 | tcg_temp_free_i32(tmp); |
9ee6e8bb | 5758 | if (insn & (1 << 6)) { |
8f8e3aa4 | 5759 | tmp = neon_load_reg(rd, 1); |
9ee6e8bb | 5760 | } else { |
7d1b0095 | 5761 | tmp = tcg_temp_new_i32(); |
8f8e3aa4 | 5762 | tcg_gen_movi_i32(tmp, 0); |
9ee6e8bb | 5763 | } |
8f8e3aa4 | 5764 | tmp3 = neon_load_reg(rm, 1); |
b75263d6 | 5765 | gen_helper_neon_tbl(tmp3, tmp3, tmp, tmp4, tmp5); |
25aeb69b JR |
5766 | tcg_temp_free_i32(tmp5); |
5767 | tcg_temp_free_i32(tmp4); | |
8f8e3aa4 | 5768 | neon_store_reg(rd, 0, tmp2); |
3018f259 | 5769 | neon_store_reg(rd, 1, tmp3); |
7d1b0095 | 5770 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
5771 | } else if ((insn & 0x380) == 0) { |
5772 | /* VDUP */ | |
5773 | if (insn & (1 << 19)) { | |
dd8fbd78 | 5774 | tmp = neon_load_reg(rm, 1); |
9ee6e8bb | 5775 | } else { |
dd8fbd78 | 5776 | tmp = neon_load_reg(rm, 0); |
9ee6e8bb PB |
5777 | } |
5778 | if (insn & (1 << 16)) { | |
dd8fbd78 | 5779 | gen_neon_dup_u8(tmp, ((insn >> 17) & 3) * 8); |
9ee6e8bb PB |
5780 | } else if (insn & (1 << 17)) { |
5781 | if ((insn >> 18) & 1) | |
dd8fbd78 | 5782 | gen_neon_dup_high16(tmp); |
9ee6e8bb | 5783 | else |
dd8fbd78 | 5784 | gen_neon_dup_low16(tmp); |
9ee6e8bb PB |
5785 | } |
5786 | for (pass = 0; pass < (q ? 4 : 2); pass++) { | |
7d1b0095 | 5787 | tmp2 = tcg_temp_new_i32(); |
dd8fbd78 FN |
5788 | tcg_gen_mov_i32(tmp2, tmp); |
5789 | neon_store_reg(rd, pass, tmp2); | |
9ee6e8bb | 5790 | } |
7d1b0095 | 5791 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
5792 | } else { |
5793 | return 1; | |
5794 | } | |
5795 | } | |
5796 | } | |
5797 | return 0; | |
5798 | } | |
5799 | ||
fe1479c3 PB |
5800 | static int disas_cp14_read(CPUState * env, DisasContext *s, uint32_t insn) |
5801 | { | |
5802 | int crn = (insn >> 16) & 0xf; | |
5803 | int crm = insn & 0xf; | |
5804 | int op1 = (insn >> 21) & 7; | |
5805 | int op2 = (insn >> 5) & 7; | |
5806 | int rt = (insn >> 12) & 0xf; | |
5807 | TCGv tmp; | |
5808 | ||
ca27c052 PM |
5809 | /* Minimal set of debug registers, since we don't support debug */ |
5810 | if (op1 == 0 && crn == 0 && op2 == 0) { | |
5811 | switch (crm) { | |
5812 | case 0: | |
5813 | /* DBGDIDR: just RAZ. In particular this means the | |
5814 | * "debug architecture version" bits will read as | |
5815 | * a reserved value, which should cause Linux to | |
5816 | * not try to use the debug hardware. | |
5817 | */ | |
5818 | tmp = tcg_const_i32(0); | |
5819 | store_reg(s, rt, tmp); | |
5820 | return 0; | |
5821 | case 1: | |
5822 | case 2: | |
5823 | /* DBGDRAR and DBGDSAR: v7 only. Always RAZ since we | |
5824 | * don't implement memory mapped debug components | |
5825 | */ | |
5826 | if (ENABLE_ARCH_7) { | |
5827 | tmp = tcg_const_i32(0); | |
5828 | store_reg(s, rt, tmp); | |
5829 | return 0; | |
5830 | } | |
5831 | break; | |
5832 | default: | |
5833 | break; | |
5834 | } | |
5835 | } | |
5836 | ||
fe1479c3 PB |
5837 | if (arm_feature(env, ARM_FEATURE_THUMB2EE)) { |
5838 | if (op1 == 6 && crn == 0 && crm == 0 && op2 == 0) { | |
5839 | /* TEECR */ | |
5840 | if (IS_USER(s)) | |
5841 | return 1; | |
5842 | tmp = load_cpu_field(teecr); | |
5843 | store_reg(s, rt, tmp); | |
5844 | return 0; | |
5845 | } | |
5846 | if (op1 == 6 && crn == 1 && crm == 0 && op2 == 0) { | |
5847 | /* TEEHBR */ | |
5848 | if (IS_USER(s) && (env->teecr & 1)) | |
5849 | return 1; | |
5850 | tmp = load_cpu_field(teehbr); | |
5851 | store_reg(s, rt, tmp); | |
5852 | return 0; | |
5853 | } | |
5854 | } | |
5855 | fprintf(stderr, "Unknown cp14 read op1:%d crn:%d crm:%d op2:%d\n", | |
5856 | op1, crn, crm, op2); | |
5857 | return 1; | |
5858 | } | |
5859 | ||
5860 | static int disas_cp14_write(CPUState * env, DisasContext *s, uint32_t insn) | |
5861 | { | |
5862 | int crn = (insn >> 16) & 0xf; | |
5863 | int crm = insn & 0xf; | |
5864 | int op1 = (insn >> 21) & 7; | |
5865 | int op2 = (insn >> 5) & 7; | |
5866 | int rt = (insn >> 12) & 0xf; | |
5867 | TCGv tmp; | |
5868 | ||
5869 | if (arm_feature(env, ARM_FEATURE_THUMB2EE)) { | |
5870 | if (op1 == 6 && crn == 0 && crm == 0 && op2 == 0) { | |
5871 | /* TEECR */ | |
5872 | if (IS_USER(s)) | |
5873 | return 1; | |
5874 | tmp = load_reg(s, rt); | |
5875 | gen_helper_set_teecr(cpu_env, tmp); | |
7d1b0095 | 5876 | tcg_temp_free_i32(tmp); |
fe1479c3 PB |
5877 | return 0; |
5878 | } | |
5879 | if (op1 == 6 && crn == 1 && crm == 0 && op2 == 0) { | |
5880 | /* TEEHBR */ | |
5881 | if (IS_USER(s) && (env->teecr & 1)) | |
5882 | return 1; | |
5883 | tmp = load_reg(s, rt); | |
5884 | store_cpu_field(tmp, teehbr); | |
5885 | return 0; | |
5886 | } | |
5887 | } | |
5888 | fprintf(stderr, "Unknown cp14 write op1:%d crn:%d crm:%d op2:%d\n", | |
5889 | op1, crn, crm, op2); | |
5890 | return 1; | |
5891 | } | |
5892 | ||
9ee6e8bb PB |
5893 | static int disas_coproc_insn(CPUState * env, DisasContext *s, uint32_t insn) |
5894 | { | |
5895 | int cpnum; | |
5896 | ||
5897 | cpnum = (insn >> 8) & 0xf; | |
5898 | if (arm_feature(env, ARM_FEATURE_XSCALE) | |
5899 | && ((env->cp15.c15_cpar ^ 0x3fff) & (1 << cpnum))) | |
5900 | return 1; | |
5901 | ||
5902 | switch (cpnum) { | |
5903 | case 0: | |
5904 | case 1: | |
5905 | if (arm_feature(env, ARM_FEATURE_IWMMXT)) { | |
5906 | return disas_iwmmxt_insn(env, s, insn); | |
5907 | } else if (arm_feature(env, ARM_FEATURE_XSCALE)) { | |
5908 | return disas_dsp_insn(env, s, insn); | |
5909 | } | |
5910 | return 1; | |
5911 | case 10: | |
5912 | case 11: | |
5913 | return disas_vfp_insn (env, s, insn); | |
fe1479c3 PB |
5914 | case 14: |
5915 | /* Coprocessors 7-15 are architecturally reserved by ARM. | |
5916 | Unfortunately Intel decided to ignore this. */ | |
5917 | if (arm_feature(env, ARM_FEATURE_XSCALE)) | |
5918 | goto board; | |
5919 | if (insn & (1 << 20)) | |
5920 | return disas_cp14_read(env, s, insn); | |
5921 | else | |
5922 | return disas_cp14_write(env, s, insn); | |
9ee6e8bb PB |
5923 | case 15: |
5924 | return disas_cp15_insn (env, s, insn); | |
5925 | default: | |
fe1479c3 | 5926 | board: |
9ee6e8bb PB |
5927 | /* Unknown coprocessor. See if the board has hooked it. */ |
5928 | return disas_cp_insn (env, s, insn); | |
5929 | } | |
5930 | } | |
5931 | ||
5e3f878a PB |
5932 | |
5933 | /* Store a 64-bit value to a register pair. Clobbers val. */ | |
a7812ae4 | 5934 | static void gen_storeq_reg(DisasContext *s, int rlow, int rhigh, TCGv_i64 val) |
5e3f878a PB |
5935 | { |
5936 | TCGv tmp; | |
7d1b0095 | 5937 | tmp = tcg_temp_new_i32(); |
5e3f878a PB |
5938 | tcg_gen_trunc_i64_i32(tmp, val); |
5939 | store_reg(s, rlow, tmp); | |
7d1b0095 | 5940 | tmp = tcg_temp_new_i32(); |
5e3f878a PB |
5941 | tcg_gen_shri_i64(val, val, 32); |
5942 | tcg_gen_trunc_i64_i32(tmp, val); | |
5943 | store_reg(s, rhigh, tmp); | |
5944 | } | |
5945 | ||
5946 | /* load a 32-bit value from a register and perform a 64-bit accumulate. */ | |
a7812ae4 | 5947 | static void gen_addq_lo(DisasContext *s, TCGv_i64 val, int rlow) |
5e3f878a | 5948 | { |
a7812ae4 | 5949 | TCGv_i64 tmp; |
5e3f878a PB |
5950 | TCGv tmp2; |
5951 | ||
36aa55dc | 5952 | /* Load value and extend to 64 bits. */ |
a7812ae4 | 5953 | tmp = tcg_temp_new_i64(); |
5e3f878a PB |
5954 | tmp2 = load_reg(s, rlow); |
5955 | tcg_gen_extu_i32_i64(tmp, tmp2); | |
7d1b0095 | 5956 | tcg_temp_free_i32(tmp2); |
5e3f878a | 5957 | tcg_gen_add_i64(val, val, tmp); |
b75263d6 | 5958 | tcg_temp_free_i64(tmp); |
5e3f878a PB |
5959 | } |
5960 | ||
5961 | /* load and add a 64-bit value from a register pair. */ | |
a7812ae4 | 5962 | static void gen_addq(DisasContext *s, TCGv_i64 val, int rlow, int rhigh) |
5e3f878a | 5963 | { |
a7812ae4 | 5964 | TCGv_i64 tmp; |
36aa55dc PB |
5965 | TCGv tmpl; |
5966 | TCGv tmph; | |
5e3f878a PB |
5967 | |
5968 | /* Load 64-bit value rd:rn. */ | |
36aa55dc PB |
5969 | tmpl = load_reg(s, rlow); |
5970 | tmph = load_reg(s, rhigh); | |
a7812ae4 | 5971 | tmp = tcg_temp_new_i64(); |
36aa55dc | 5972 | tcg_gen_concat_i32_i64(tmp, tmpl, tmph); |
7d1b0095 PM |
5973 | tcg_temp_free_i32(tmpl); |
5974 | tcg_temp_free_i32(tmph); | |
5e3f878a | 5975 | tcg_gen_add_i64(val, val, tmp); |
b75263d6 | 5976 | tcg_temp_free_i64(tmp); |
5e3f878a PB |
5977 | } |
5978 | ||
5979 | /* Set N and Z flags from a 64-bit value. */ | |
a7812ae4 | 5980 | static void gen_logicq_cc(TCGv_i64 val) |
5e3f878a | 5981 | { |
7d1b0095 | 5982 | TCGv tmp = tcg_temp_new_i32(); |
5e3f878a | 5983 | gen_helper_logicq_cc(tmp, val); |
6fbe23d5 | 5984 | gen_logic_CC(tmp); |
7d1b0095 | 5985 | tcg_temp_free_i32(tmp); |
5e3f878a PB |
5986 | } |
5987 | ||
426f5abc PB |
5988 | /* Load/Store exclusive instructions are implemented by remembering |
5989 | the value/address loaded, and seeing if these are the same | |
5990 | when the store is performed. This should be is sufficient to implement | |
5991 | the architecturally mandated semantics, and avoids having to monitor | |
5992 | regular stores. | |
5993 | ||
5994 | In system emulation mode only one CPU will be running at once, so | |
5995 | this sequence is effectively atomic. In user emulation mode we | |
5996 | throw an exception and handle the atomic operation elsewhere. */ | |
5997 | static void gen_load_exclusive(DisasContext *s, int rt, int rt2, | |
5998 | TCGv addr, int size) | |
5999 | { | |
6000 | TCGv tmp; | |
6001 | ||
6002 | switch (size) { | |
6003 | case 0: | |
6004 | tmp = gen_ld8u(addr, IS_USER(s)); | |
6005 | break; | |
6006 | case 1: | |
6007 | tmp = gen_ld16u(addr, IS_USER(s)); | |
6008 | break; | |
6009 | case 2: | |
6010 | case 3: | |
6011 | tmp = gen_ld32(addr, IS_USER(s)); | |
6012 | break; | |
6013 | default: | |
6014 | abort(); | |
6015 | } | |
6016 | tcg_gen_mov_i32(cpu_exclusive_val, tmp); | |
6017 | store_reg(s, rt, tmp); | |
6018 | if (size == 3) { | |
7d1b0095 | 6019 | TCGv tmp2 = tcg_temp_new_i32(); |
2c9adbda PM |
6020 | tcg_gen_addi_i32(tmp2, addr, 4); |
6021 | tmp = gen_ld32(tmp2, IS_USER(s)); | |
7d1b0095 | 6022 | tcg_temp_free_i32(tmp2); |
426f5abc PB |
6023 | tcg_gen_mov_i32(cpu_exclusive_high, tmp); |
6024 | store_reg(s, rt2, tmp); | |
6025 | } | |
6026 | tcg_gen_mov_i32(cpu_exclusive_addr, addr); | |
6027 | } | |
6028 | ||
6029 | static void gen_clrex(DisasContext *s) | |
6030 | { | |
6031 | tcg_gen_movi_i32(cpu_exclusive_addr, -1); | |
6032 | } | |
6033 | ||
6034 | #ifdef CONFIG_USER_ONLY | |
6035 | static void gen_store_exclusive(DisasContext *s, int rd, int rt, int rt2, | |
6036 | TCGv addr, int size) | |
6037 | { | |
6038 | tcg_gen_mov_i32(cpu_exclusive_test, addr); | |
6039 | tcg_gen_movi_i32(cpu_exclusive_info, | |
6040 | size | (rd << 4) | (rt << 8) | (rt2 << 12)); | |
bc4a0de0 | 6041 | gen_exception_insn(s, 4, EXCP_STREX); |
426f5abc PB |
6042 | } |
6043 | #else | |
6044 | static void gen_store_exclusive(DisasContext *s, int rd, int rt, int rt2, | |
6045 | TCGv addr, int size) | |
6046 | { | |
6047 | TCGv tmp; | |
6048 | int done_label; | |
6049 | int fail_label; | |
6050 | ||
6051 | /* if (env->exclusive_addr == addr && env->exclusive_val == [addr]) { | |
6052 | [addr] = {Rt}; | |
6053 | {Rd} = 0; | |
6054 | } else { | |
6055 | {Rd} = 1; | |
6056 | } */ | |
6057 | fail_label = gen_new_label(); | |
6058 | done_label = gen_new_label(); | |
6059 | tcg_gen_brcond_i32(TCG_COND_NE, addr, cpu_exclusive_addr, fail_label); | |
6060 | switch (size) { | |
6061 | case 0: | |
6062 | tmp = gen_ld8u(addr, IS_USER(s)); | |
6063 | break; | |
6064 | case 1: | |
6065 | tmp = gen_ld16u(addr, IS_USER(s)); | |
6066 | break; | |
6067 | case 2: | |
6068 | case 3: | |
6069 | tmp = gen_ld32(addr, IS_USER(s)); | |
6070 | break; | |
6071 | default: | |
6072 | abort(); | |
6073 | } | |
6074 | tcg_gen_brcond_i32(TCG_COND_NE, tmp, cpu_exclusive_val, fail_label); | |
7d1b0095 | 6075 | tcg_temp_free_i32(tmp); |
426f5abc | 6076 | if (size == 3) { |
7d1b0095 | 6077 | TCGv tmp2 = tcg_temp_new_i32(); |
426f5abc | 6078 | tcg_gen_addi_i32(tmp2, addr, 4); |
2c9adbda | 6079 | tmp = gen_ld32(tmp2, IS_USER(s)); |
7d1b0095 | 6080 | tcg_temp_free_i32(tmp2); |
426f5abc | 6081 | tcg_gen_brcond_i32(TCG_COND_NE, tmp, cpu_exclusive_high, fail_label); |
7d1b0095 | 6082 | tcg_temp_free_i32(tmp); |
426f5abc PB |
6083 | } |
6084 | tmp = load_reg(s, rt); | |
6085 | switch (size) { | |
6086 | case 0: | |
6087 | gen_st8(tmp, addr, IS_USER(s)); | |
6088 | break; | |
6089 | case 1: | |
6090 | gen_st16(tmp, addr, IS_USER(s)); | |
6091 | break; | |
6092 | case 2: | |
6093 | case 3: | |
6094 | gen_st32(tmp, addr, IS_USER(s)); | |
6095 | break; | |
6096 | default: | |
6097 | abort(); | |
6098 | } | |
6099 | if (size == 3) { | |
6100 | tcg_gen_addi_i32(addr, addr, 4); | |
6101 | tmp = load_reg(s, rt2); | |
6102 | gen_st32(tmp, addr, IS_USER(s)); | |
6103 | } | |
6104 | tcg_gen_movi_i32(cpu_R[rd], 0); | |
6105 | tcg_gen_br(done_label); | |
6106 | gen_set_label(fail_label); | |
6107 | tcg_gen_movi_i32(cpu_R[rd], 1); | |
6108 | gen_set_label(done_label); | |
6109 | tcg_gen_movi_i32(cpu_exclusive_addr, -1); | |
6110 | } | |
6111 | #endif | |
6112 | ||
9ee6e8bb PB |
6113 | static void disas_arm_insn(CPUState * env, DisasContext *s) |
6114 | { | |
6115 | unsigned int cond, insn, val, op1, i, shift, rm, rs, rn, rd, sh; | |
b26eefb6 | 6116 | TCGv tmp; |
3670669c | 6117 | TCGv tmp2; |
6ddbc6e4 | 6118 | TCGv tmp3; |
b0109805 | 6119 | TCGv addr; |
a7812ae4 | 6120 | TCGv_i64 tmp64; |
9ee6e8bb PB |
6121 | |
6122 | insn = ldl_code(s->pc); | |
6123 | s->pc += 4; | |
6124 | ||
6125 | /* M variants do not implement ARM mode. */ | |
6126 | if (IS_M(env)) | |
6127 | goto illegal_op; | |
6128 | cond = insn >> 28; | |
6129 | if (cond == 0xf){ | |
6130 | /* Unconditional instructions. */ | |
6131 | if (((insn >> 25) & 7) == 1) { | |
6132 | /* NEON Data processing. */ | |
6133 | if (!arm_feature(env, ARM_FEATURE_NEON)) | |
6134 | goto illegal_op; | |
6135 | ||
6136 | if (disas_neon_data_insn(env, s, insn)) | |
6137 | goto illegal_op; | |
6138 | return; | |
6139 | } | |
6140 | if ((insn & 0x0f100000) == 0x04000000) { | |
6141 | /* NEON load/store. */ | |
6142 | if (!arm_feature(env, ARM_FEATURE_NEON)) | |
6143 | goto illegal_op; | |
6144 | ||
6145 | if (disas_neon_ls_insn(env, s, insn)) | |
6146 | goto illegal_op; | |
6147 | return; | |
6148 | } | |
3d185e5d PM |
6149 | if (((insn & 0x0f30f000) == 0x0510f000) || |
6150 | ((insn & 0x0f30f010) == 0x0710f000)) { | |
6151 | if ((insn & (1 << 22)) == 0) { | |
6152 | /* PLDW; v7MP */ | |
6153 | if (!arm_feature(env, ARM_FEATURE_V7MP)) { | |
6154 | goto illegal_op; | |
6155 | } | |
6156 | } | |
6157 | /* Otherwise PLD; v5TE+ */ | |
6158 | return; | |
6159 | } | |
6160 | if (((insn & 0x0f70f000) == 0x0450f000) || | |
6161 | ((insn & 0x0f70f010) == 0x0650f000)) { | |
6162 | ARCH(7); | |
6163 | return; /* PLI; V7 */ | |
6164 | } | |
6165 | if (((insn & 0x0f700000) == 0x04100000) || | |
6166 | ((insn & 0x0f700010) == 0x06100000)) { | |
6167 | if (!arm_feature(env, ARM_FEATURE_V7MP)) { | |
6168 | goto illegal_op; | |
6169 | } | |
6170 | return; /* v7MP: Unallocated memory hint: must NOP */ | |
6171 | } | |
6172 | ||
6173 | if ((insn & 0x0ffffdff) == 0x01010000) { | |
9ee6e8bb PB |
6174 | ARCH(6); |
6175 | /* setend */ | |
6176 | if (insn & (1 << 9)) { | |
6177 | /* BE8 mode not implemented. */ | |
6178 | goto illegal_op; | |
6179 | } | |
6180 | return; | |
6181 | } else if ((insn & 0x0fffff00) == 0x057ff000) { | |
6182 | switch ((insn >> 4) & 0xf) { | |
6183 | case 1: /* clrex */ | |
6184 | ARCH(6K); | |
426f5abc | 6185 | gen_clrex(s); |
9ee6e8bb PB |
6186 | return; |
6187 | case 4: /* dsb */ | |
6188 | case 5: /* dmb */ | |
6189 | case 6: /* isb */ | |
6190 | ARCH(7); | |
6191 | /* We don't emulate caches so these are a no-op. */ | |
6192 | return; | |
6193 | default: | |
6194 | goto illegal_op; | |
6195 | } | |
6196 | } else if ((insn & 0x0e5fffe0) == 0x084d0500) { | |
6197 | /* srs */ | |
c67b6b71 | 6198 | int32_t offset; |
9ee6e8bb PB |
6199 | if (IS_USER(s)) |
6200 | goto illegal_op; | |
6201 | ARCH(6); | |
6202 | op1 = (insn & 0x1f); | |
7d1b0095 | 6203 | addr = tcg_temp_new_i32(); |
39ea3d4e PM |
6204 | tmp = tcg_const_i32(op1); |
6205 | gen_helper_get_r13_banked(addr, cpu_env, tmp); | |
6206 | tcg_temp_free_i32(tmp); | |
9ee6e8bb PB |
6207 | i = (insn >> 23) & 3; |
6208 | switch (i) { | |
6209 | case 0: offset = -4; break; /* DA */ | |
c67b6b71 FN |
6210 | case 1: offset = 0; break; /* IA */ |
6211 | case 2: offset = -8; break; /* DB */ | |
9ee6e8bb PB |
6212 | case 3: offset = 4; break; /* IB */ |
6213 | default: abort(); | |
6214 | } | |
6215 | if (offset) | |
b0109805 PB |
6216 | tcg_gen_addi_i32(addr, addr, offset); |
6217 | tmp = load_reg(s, 14); | |
6218 | gen_st32(tmp, addr, 0); | |
c67b6b71 | 6219 | tmp = load_cpu_field(spsr); |
b0109805 PB |
6220 | tcg_gen_addi_i32(addr, addr, 4); |
6221 | gen_st32(tmp, addr, 0); | |
9ee6e8bb PB |
6222 | if (insn & (1 << 21)) { |
6223 | /* Base writeback. */ | |
6224 | switch (i) { | |
6225 | case 0: offset = -8; break; | |
c67b6b71 FN |
6226 | case 1: offset = 4; break; |
6227 | case 2: offset = -4; break; | |
9ee6e8bb PB |
6228 | case 3: offset = 0; break; |
6229 | default: abort(); | |
6230 | } | |
6231 | if (offset) | |
c67b6b71 | 6232 | tcg_gen_addi_i32(addr, addr, offset); |
39ea3d4e PM |
6233 | tmp = tcg_const_i32(op1); |
6234 | gen_helper_set_r13_banked(cpu_env, tmp, addr); | |
6235 | tcg_temp_free_i32(tmp); | |
7d1b0095 | 6236 | tcg_temp_free_i32(addr); |
b0109805 | 6237 | } else { |
7d1b0095 | 6238 | tcg_temp_free_i32(addr); |
9ee6e8bb | 6239 | } |
a990f58f | 6240 | return; |
ea825eee | 6241 | } else if ((insn & 0x0e50ffe0) == 0x08100a00) { |
9ee6e8bb | 6242 | /* rfe */ |
c67b6b71 | 6243 | int32_t offset; |
9ee6e8bb PB |
6244 | if (IS_USER(s)) |
6245 | goto illegal_op; | |
6246 | ARCH(6); | |
6247 | rn = (insn >> 16) & 0xf; | |
b0109805 | 6248 | addr = load_reg(s, rn); |
9ee6e8bb PB |
6249 | i = (insn >> 23) & 3; |
6250 | switch (i) { | |
b0109805 | 6251 | case 0: offset = -4; break; /* DA */ |
c67b6b71 FN |
6252 | case 1: offset = 0; break; /* IA */ |
6253 | case 2: offset = -8; break; /* DB */ | |
b0109805 | 6254 | case 3: offset = 4; break; /* IB */ |
9ee6e8bb PB |
6255 | default: abort(); |
6256 | } | |
6257 | if (offset) | |
b0109805 PB |
6258 | tcg_gen_addi_i32(addr, addr, offset); |
6259 | /* Load PC into tmp and CPSR into tmp2. */ | |
6260 | tmp = gen_ld32(addr, 0); | |
6261 | tcg_gen_addi_i32(addr, addr, 4); | |
6262 | tmp2 = gen_ld32(addr, 0); | |
9ee6e8bb PB |
6263 | if (insn & (1 << 21)) { |
6264 | /* Base writeback. */ | |
6265 | switch (i) { | |
b0109805 | 6266 | case 0: offset = -8; break; |
c67b6b71 FN |
6267 | case 1: offset = 4; break; |
6268 | case 2: offset = -4; break; | |
b0109805 | 6269 | case 3: offset = 0; break; |
9ee6e8bb PB |
6270 | default: abort(); |
6271 | } | |
6272 | if (offset) | |
b0109805 PB |
6273 | tcg_gen_addi_i32(addr, addr, offset); |
6274 | store_reg(s, rn, addr); | |
6275 | } else { | |
7d1b0095 | 6276 | tcg_temp_free_i32(addr); |
9ee6e8bb | 6277 | } |
b0109805 | 6278 | gen_rfe(s, tmp, tmp2); |
c67b6b71 | 6279 | return; |
9ee6e8bb PB |
6280 | } else if ((insn & 0x0e000000) == 0x0a000000) { |
6281 | /* branch link and change to thumb (blx <offset>) */ | |
6282 | int32_t offset; | |
6283 | ||
6284 | val = (uint32_t)s->pc; | |
7d1b0095 | 6285 | tmp = tcg_temp_new_i32(); |
d9ba4830 PB |
6286 | tcg_gen_movi_i32(tmp, val); |
6287 | store_reg(s, 14, tmp); | |
9ee6e8bb PB |
6288 | /* Sign-extend the 24-bit offset */ |
6289 | offset = (((int32_t)insn) << 8) >> 8; | |
6290 | /* offset * 4 + bit24 * 2 + (thumb bit) */ | |
6291 | val += (offset << 2) | ((insn >> 23) & 2) | 1; | |
6292 | /* pipeline offset */ | |
6293 | val += 4; | |
d9ba4830 | 6294 | gen_bx_im(s, val); |
9ee6e8bb PB |
6295 | return; |
6296 | } else if ((insn & 0x0e000f00) == 0x0c000100) { | |
6297 | if (arm_feature(env, ARM_FEATURE_IWMMXT)) { | |
6298 | /* iWMMXt register transfer. */ | |
6299 | if (env->cp15.c15_cpar & (1 << 1)) | |
6300 | if (!disas_iwmmxt_insn(env, s, insn)) | |
6301 | return; | |
6302 | } | |
6303 | } else if ((insn & 0x0fe00000) == 0x0c400000) { | |
6304 | /* Coprocessor double register transfer. */ | |
6305 | } else if ((insn & 0x0f000010) == 0x0e000010) { | |
6306 | /* Additional coprocessor register transfer. */ | |
7997d92f | 6307 | } else if ((insn & 0x0ff10020) == 0x01000000) { |
9ee6e8bb PB |
6308 | uint32_t mask; |
6309 | uint32_t val; | |
6310 | /* cps (privileged) */ | |
6311 | if (IS_USER(s)) | |
6312 | return; | |
6313 | mask = val = 0; | |
6314 | if (insn & (1 << 19)) { | |
6315 | if (insn & (1 << 8)) | |
6316 | mask |= CPSR_A; | |
6317 | if (insn & (1 << 7)) | |
6318 | mask |= CPSR_I; | |
6319 | if (insn & (1 << 6)) | |
6320 | mask |= CPSR_F; | |
6321 | if (insn & (1 << 18)) | |
6322 | val |= mask; | |
6323 | } | |
7997d92f | 6324 | if (insn & (1 << 17)) { |
9ee6e8bb PB |
6325 | mask |= CPSR_M; |
6326 | val |= (insn & 0x1f); | |
6327 | } | |
6328 | if (mask) { | |
2fbac54b | 6329 | gen_set_psr_im(s, mask, 0, val); |
9ee6e8bb PB |
6330 | } |
6331 | return; | |
6332 | } | |
6333 | goto illegal_op; | |
6334 | } | |
6335 | if (cond != 0xe) { | |
6336 | /* if not always execute, we generate a conditional jump to | |
6337 | next instruction */ | |
6338 | s->condlabel = gen_new_label(); | |
d9ba4830 | 6339 | gen_test_cc(cond ^ 1, s->condlabel); |
9ee6e8bb PB |
6340 | s->condjmp = 1; |
6341 | } | |
6342 | if ((insn & 0x0f900000) == 0x03000000) { | |
6343 | if ((insn & (1 << 21)) == 0) { | |
6344 | ARCH(6T2); | |
6345 | rd = (insn >> 12) & 0xf; | |
6346 | val = ((insn >> 4) & 0xf000) | (insn & 0xfff); | |
6347 | if ((insn & (1 << 22)) == 0) { | |
6348 | /* MOVW */ | |
7d1b0095 | 6349 | tmp = tcg_temp_new_i32(); |
5e3f878a | 6350 | tcg_gen_movi_i32(tmp, val); |
9ee6e8bb PB |
6351 | } else { |
6352 | /* MOVT */ | |
5e3f878a | 6353 | tmp = load_reg(s, rd); |
86831435 | 6354 | tcg_gen_ext16u_i32(tmp, tmp); |
5e3f878a | 6355 | tcg_gen_ori_i32(tmp, tmp, val << 16); |
9ee6e8bb | 6356 | } |
5e3f878a | 6357 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6358 | } else { |
6359 | if (((insn >> 12) & 0xf) != 0xf) | |
6360 | goto illegal_op; | |
6361 | if (((insn >> 16) & 0xf) == 0) { | |
6362 | gen_nop_hint(s, insn & 0xff); | |
6363 | } else { | |
6364 | /* CPSR = immediate */ | |
6365 | val = insn & 0xff; | |
6366 | shift = ((insn >> 8) & 0xf) * 2; | |
6367 | if (shift) | |
6368 | val = (val >> shift) | (val << (32 - shift)); | |
9ee6e8bb | 6369 | i = ((insn & (1 << 22)) != 0); |
2fbac54b | 6370 | if (gen_set_psr_im(s, msr_mask(env, s, (insn >> 16) & 0xf, i), i, val)) |
9ee6e8bb PB |
6371 | goto illegal_op; |
6372 | } | |
6373 | } | |
6374 | } else if ((insn & 0x0f900000) == 0x01000000 | |
6375 | && (insn & 0x00000090) != 0x00000090) { | |
6376 | /* miscellaneous instructions */ | |
6377 | op1 = (insn >> 21) & 3; | |
6378 | sh = (insn >> 4) & 0xf; | |
6379 | rm = insn & 0xf; | |
6380 | switch (sh) { | |
6381 | case 0x0: /* move program status register */ | |
6382 | if (op1 & 1) { | |
6383 | /* PSR = reg */ | |
2fbac54b | 6384 | tmp = load_reg(s, rm); |
9ee6e8bb | 6385 | i = ((op1 & 2) != 0); |
2fbac54b | 6386 | if (gen_set_psr(s, msr_mask(env, s, (insn >> 16) & 0xf, i), i, tmp)) |
9ee6e8bb PB |
6387 | goto illegal_op; |
6388 | } else { | |
6389 | /* reg = PSR */ | |
6390 | rd = (insn >> 12) & 0xf; | |
6391 | if (op1 & 2) { | |
6392 | if (IS_USER(s)) | |
6393 | goto illegal_op; | |
d9ba4830 | 6394 | tmp = load_cpu_field(spsr); |
9ee6e8bb | 6395 | } else { |
7d1b0095 | 6396 | tmp = tcg_temp_new_i32(); |
d9ba4830 | 6397 | gen_helper_cpsr_read(tmp); |
9ee6e8bb | 6398 | } |
d9ba4830 | 6399 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6400 | } |
6401 | break; | |
6402 | case 0x1: | |
6403 | if (op1 == 1) { | |
6404 | /* branch/exchange thumb (bx). */ | |
d9ba4830 PB |
6405 | tmp = load_reg(s, rm); |
6406 | gen_bx(s, tmp); | |
9ee6e8bb PB |
6407 | } else if (op1 == 3) { |
6408 | /* clz */ | |
6409 | rd = (insn >> 12) & 0xf; | |
1497c961 PB |
6410 | tmp = load_reg(s, rm); |
6411 | gen_helper_clz(tmp, tmp); | |
6412 | store_reg(s, rd, tmp); | |
9ee6e8bb PB |
6413 | } else { |
6414 | goto illegal_op; | |
6415 | } | |
6416 | break; | |
6417 | case 0x2: | |
6418 | if (op1 == 1) { | |
6419 | ARCH(5J); /* bxj */ | |
6420 | /* Trivial implementation equivalent to bx. */ | |
d9ba4830 PB |
6421 | tmp = load_reg(s, rm); |
6422 | gen_bx(s, tmp); | |
9ee6e8bb PB |
6423 | } else { |
6424 | goto illegal_op; | |
6425 | } | |
6426 | break; | |
6427 | case 0x3: | |
6428 | if (op1 != 1) | |
6429 | goto illegal_op; | |
6430 | ||
6431 | /* branch link/exchange thumb (blx) */ | |
d9ba4830 | 6432 | tmp = load_reg(s, rm); |
7d1b0095 | 6433 | tmp2 = tcg_temp_new_i32(); |
d9ba4830 PB |
6434 | tcg_gen_movi_i32(tmp2, s->pc); |
6435 | store_reg(s, 14, tmp2); | |
6436 | gen_bx(s, tmp); | |
9ee6e8bb PB |
6437 | break; |
6438 | case 0x5: /* saturating add/subtract */ | |
6439 | rd = (insn >> 12) & 0xf; | |
6440 | rn = (insn >> 16) & 0xf; | |
b40d0353 | 6441 | tmp = load_reg(s, rm); |
5e3f878a | 6442 | tmp2 = load_reg(s, rn); |
9ee6e8bb | 6443 | if (op1 & 2) |
5e3f878a | 6444 | gen_helper_double_saturate(tmp2, tmp2); |
9ee6e8bb | 6445 | if (op1 & 1) |
5e3f878a | 6446 | gen_helper_sub_saturate(tmp, tmp, tmp2); |
9ee6e8bb | 6447 | else |
5e3f878a | 6448 | gen_helper_add_saturate(tmp, tmp, tmp2); |
7d1b0095 | 6449 | tcg_temp_free_i32(tmp2); |
5e3f878a | 6450 | store_reg(s, rd, tmp); |
9ee6e8bb | 6451 | break; |
49e14940 AL |
6452 | case 7: |
6453 | /* SMC instruction (op1 == 3) | |
6454 | and undefined instructions (op1 == 0 || op1 == 2) | |
6455 | will trap */ | |
6456 | if (op1 != 1) { | |
6457 | goto illegal_op; | |
6458 | } | |
6459 | /* bkpt */ | |
bc4a0de0 | 6460 | gen_exception_insn(s, 4, EXCP_BKPT); |
9ee6e8bb PB |
6461 | break; |
6462 | case 0x8: /* signed multiply */ | |
6463 | case 0xa: | |
6464 | case 0xc: | |
6465 | case 0xe: | |
6466 | rs = (insn >> 8) & 0xf; | |
6467 | rn = (insn >> 12) & 0xf; | |
6468 | rd = (insn >> 16) & 0xf; | |
6469 | if (op1 == 1) { | |
6470 | /* (32 * 16) >> 16 */ | |
5e3f878a PB |
6471 | tmp = load_reg(s, rm); |
6472 | tmp2 = load_reg(s, rs); | |
9ee6e8bb | 6473 | if (sh & 4) |
5e3f878a | 6474 | tcg_gen_sari_i32(tmp2, tmp2, 16); |
9ee6e8bb | 6475 | else |
5e3f878a | 6476 | gen_sxth(tmp2); |
a7812ae4 PB |
6477 | tmp64 = gen_muls_i64_i32(tmp, tmp2); |
6478 | tcg_gen_shri_i64(tmp64, tmp64, 16); | |
7d1b0095 | 6479 | tmp = tcg_temp_new_i32(); |
a7812ae4 | 6480 | tcg_gen_trunc_i64_i32(tmp, tmp64); |
b75263d6 | 6481 | tcg_temp_free_i64(tmp64); |
9ee6e8bb | 6482 | if ((sh & 2) == 0) { |
5e3f878a PB |
6483 | tmp2 = load_reg(s, rn); |
6484 | gen_helper_add_setq(tmp, tmp, tmp2); | |
7d1b0095 | 6485 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 6486 | } |
5e3f878a | 6487 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6488 | } else { |
6489 | /* 16 * 16 */ | |
5e3f878a PB |
6490 | tmp = load_reg(s, rm); |
6491 | tmp2 = load_reg(s, rs); | |
6492 | gen_mulxy(tmp, tmp2, sh & 2, sh & 4); | |
7d1b0095 | 6493 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 6494 | if (op1 == 2) { |
a7812ae4 PB |
6495 | tmp64 = tcg_temp_new_i64(); |
6496 | tcg_gen_ext_i32_i64(tmp64, tmp); | |
7d1b0095 | 6497 | tcg_temp_free_i32(tmp); |
a7812ae4 PB |
6498 | gen_addq(s, tmp64, rn, rd); |
6499 | gen_storeq_reg(s, rn, rd, tmp64); | |
b75263d6 | 6500 | tcg_temp_free_i64(tmp64); |
9ee6e8bb PB |
6501 | } else { |
6502 | if (op1 == 0) { | |
5e3f878a PB |
6503 | tmp2 = load_reg(s, rn); |
6504 | gen_helper_add_setq(tmp, tmp, tmp2); | |
7d1b0095 | 6505 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 6506 | } |
5e3f878a | 6507 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6508 | } |
6509 | } | |
6510 | break; | |
6511 | default: | |
6512 | goto illegal_op; | |
6513 | } | |
6514 | } else if (((insn & 0x0e000000) == 0 && | |
6515 | (insn & 0x00000090) != 0x90) || | |
6516 | ((insn & 0x0e000000) == (1 << 25))) { | |
6517 | int set_cc, logic_cc, shiftop; | |
6518 | ||
6519 | op1 = (insn >> 21) & 0xf; | |
6520 | set_cc = (insn >> 20) & 1; | |
6521 | logic_cc = table_logic_cc[op1] & set_cc; | |
6522 | ||
6523 | /* data processing instruction */ | |
6524 | if (insn & (1 << 25)) { | |
6525 | /* immediate operand */ | |
6526 | val = insn & 0xff; | |
6527 | shift = ((insn >> 8) & 0xf) * 2; | |
e9bb4aa9 | 6528 | if (shift) { |
9ee6e8bb | 6529 | val = (val >> shift) | (val << (32 - shift)); |
e9bb4aa9 | 6530 | } |
7d1b0095 | 6531 | tmp2 = tcg_temp_new_i32(); |
e9bb4aa9 JR |
6532 | tcg_gen_movi_i32(tmp2, val); |
6533 | if (logic_cc && shift) { | |
6534 | gen_set_CF_bit31(tmp2); | |
6535 | } | |
9ee6e8bb PB |
6536 | } else { |
6537 | /* register */ | |
6538 | rm = (insn) & 0xf; | |
e9bb4aa9 | 6539 | tmp2 = load_reg(s, rm); |
9ee6e8bb PB |
6540 | shiftop = (insn >> 5) & 3; |
6541 | if (!(insn & (1 << 4))) { | |
6542 | shift = (insn >> 7) & 0x1f; | |
e9bb4aa9 | 6543 | gen_arm_shift_im(tmp2, shiftop, shift, logic_cc); |
9ee6e8bb PB |
6544 | } else { |
6545 | rs = (insn >> 8) & 0xf; | |
8984bd2e | 6546 | tmp = load_reg(s, rs); |
e9bb4aa9 | 6547 | gen_arm_shift_reg(tmp2, shiftop, tmp, logic_cc); |
9ee6e8bb PB |
6548 | } |
6549 | } | |
6550 | if (op1 != 0x0f && op1 != 0x0d) { | |
6551 | rn = (insn >> 16) & 0xf; | |
e9bb4aa9 JR |
6552 | tmp = load_reg(s, rn); |
6553 | } else { | |
6554 | TCGV_UNUSED(tmp); | |
9ee6e8bb PB |
6555 | } |
6556 | rd = (insn >> 12) & 0xf; | |
6557 | switch(op1) { | |
6558 | case 0x00: | |
e9bb4aa9 JR |
6559 | tcg_gen_and_i32(tmp, tmp, tmp2); |
6560 | if (logic_cc) { | |
6561 | gen_logic_CC(tmp); | |
6562 | } | |
21aeb343 | 6563 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6564 | break; |
6565 | case 0x01: | |
e9bb4aa9 JR |
6566 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
6567 | if (logic_cc) { | |
6568 | gen_logic_CC(tmp); | |
6569 | } | |
21aeb343 | 6570 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6571 | break; |
6572 | case 0x02: | |
6573 | if (set_cc && rd == 15) { | |
6574 | /* SUBS r15, ... is used for exception return. */ | |
e9bb4aa9 | 6575 | if (IS_USER(s)) { |
9ee6e8bb | 6576 | goto illegal_op; |
e9bb4aa9 JR |
6577 | } |
6578 | gen_helper_sub_cc(tmp, tmp, tmp2); | |
6579 | gen_exception_return(s, tmp); | |
9ee6e8bb | 6580 | } else { |
e9bb4aa9 JR |
6581 | if (set_cc) { |
6582 | gen_helper_sub_cc(tmp, tmp, tmp2); | |
6583 | } else { | |
6584 | tcg_gen_sub_i32(tmp, tmp, tmp2); | |
6585 | } | |
21aeb343 | 6586 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6587 | } |
6588 | break; | |
6589 | case 0x03: | |
e9bb4aa9 JR |
6590 | if (set_cc) { |
6591 | gen_helper_sub_cc(tmp, tmp2, tmp); | |
6592 | } else { | |
6593 | tcg_gen_sub_i32(tmp, tmp2, tmp); | |
6594 | } | |
21aeb343 | 6595 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6596 | break; |
6597 | case 0x04: | |
e9bb4aa9 JR |
6598 | if (set_cc) { |
6599 | gen_helper_add_cc(tmp, tmp, tmp2); | |
6600 | } else { | |
6601 | tcg_gen_add_i32(tmp, tmp, tmp2); | |
6602 | } | |
21aeb343 | 6603 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6604 | break; |
6605 | case 0x05: | |
e9bb4aa9 JR |
6606 | if (set_cc) { |
6607 | gen_helper_adc_cc(tmp, tmp, tmp2); | |
6608 | } else { | |
6609 | gen_add_carry(tmp, tmp, tmp2); | |
6610 | } | |
21aeb343 | 6611 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6612 | break; |
6613 | case 0x06: | |
e9bb4aa9 JR |
6614 | if (set_cc) { |
6615 | gen_helper_sbc_cc(tmp, tmp, tmp2); | |
6616 | } else { | |
6617 | gen_sub_carry(tmp, tmp, tmp2); | |
6618 | } | |
21aeb343 | 6619 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6620 | break; |
6621 | case 0x07: | |
e9bb4aa9 JR |
6622 | if (set_cc) { |
6623 | gen_helper_sbc_cc(tmp, tmp2, tmp); | |
6624 | } else { | |
6625 | gen_sub_carry(tmp, tmp2, tmp); | |
6626 | } | |
21aeb343 | 6627 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6628 | break; |
6629 | case 0x08: | |
6630 | if (set_cc) { | |
e9bb4aa9 JR |
6631 | tcg_gen_and_i32(tmp, tmp, tmp2); |
6632 | gen_logic_CC(tmp); | |
9ee6e8bb | 6633 | } |
7d1b0095 | 6634 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
6635 | break; |
6636 | case 0x09: | |
6637 | if (set_cc) { | |
e9bb4aa9 JR |
6638 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
6639 | gen_logic_CC(tmp); | |
9ee6e8bb | 6640 | } |
7d1b0095 | 6641 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
6642 | break; |
6643 | case 0x0a: | |
6644 | if (set_cc) { | |
e9bb4aa9 | 6645 | gen_helper_sub_cc(tmp, tmp, tmp2); |
9ee6e8bb | 6646 | } |
7d1b0095 | 6647 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
6648 | break; |
6649 | case 0x0b: | |
6650 | if (set_cc) { | |
e9bb4aa9 | 6651 | gen_helper_add_cc(tmp, tmp, tmp2); |
9ee6e8bb | 6652 | } |
7d1b0095 | 6653 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
6654 | break; |
6655 | case 0x0c: | |
e9bb4aa9 JR |
6656 | tcg_gen_or_i32(tmp, tmp, tmp2); |
6657 | if (logic_cc) { | |
6658 | gen_logic_CC(tmp); | |
6659 | } | |
21aeb343 | 6660 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6661 | break; |
6662 | case 0x0d: | |
6663 | if (logic_cc && rd == 15) { | |
6664 | /* MOVS r15, ... is used for exception return. */ | |
e9bb4aa9 | 6665 | if (IS_USER(s)) { |
9ee6e8bb | 6666 | goto illegal_op; |
e9bb4aa9 JR |
6667 | } |
6668 | gen_exception_return(s, tmp2); | |
9ee6e8bb | 6669 | } else { |
e9bb4aa9 JR |
6670 | if (logic_cc) { |
6671 | gen_logic_CC(tmp2); | |
6672 | } | |
21aeb343 | 6673 | store_reg_bx(env, s, rd, tmp2); |
9ee6e8bb PB |
6674 | } |
6675 | break; | |
6676 | case 0x0e: | |
f669df27 | 6677 | tcg_gen_andc_i32(tmp, tmp, tmp2); |
e9bb4aa9 JR |
6678 | if (logic_cc) { |
6679 | gen_logic_CC(tmp); | |
6680 | } | |
21aeb343 | 6681 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6682 | break; |
6683 | default: | |
6684 | case 0x0f: | |
e9bb4aa9 JR |
6685 | tcg_gen_not_i32(tmp2, tmp2); |
6686 | if (logic_cc) { | |
6687 | gen_logic_CC(tmp2); | |
6688 | } | |
21aeb343 | 6689 | store_reg_bx(env, s, rd, tmp2); |
9ee6e8bb PB |
6690 | break; |
6691 | } | |
e9bb4aa9 | 6692 | if (op1 != 0x0f && op1 != 0x0d) { |
7d1b0095 | 6693 | tcg_temp_free_i32(tmp2); |
e9bb4aa9 | 6694 | } |
9ee6e8bb PB |
6695 | } else { |
6696 | /* other instructions */ | |
6697 | op1 = (insn >> 24) & 0xf; | |
6698 | switch(op1) { | |
6699 | case 0x0: | |
6700 | case 0x1: | |
6701 | /* multiplies, extra load/stores */ | |
6702 | sh = (insn >> 5) & 3; | |
6703 | if (sh == 0) { | |
6704 | if (op1 == 0x0) { | |
6705 | rd = (insn >> 16) & 0xf; | |
6706 | rn = (insn >> 12) & 0xf; | |
6707 | rs = (insn >> 8) & 0xf; | |
6708 | rm = (insn) & 0xf; | |
6709 | op1 = (insn >> 20) & 0xf; | |
6710 | switch (op1) { | |
6711 | case 0: case 1: case 2: case 3: case 6: | |
6712 | /* 32 bit mul */ | |
5e3f878a PB |
6713 | tmp = load_reg(s, rs); |
6714 | tmp2 = load_reg(s, rm); | |
6715 | tcg_gen_mul_i32(tmp, tmp, tmp2); | |
7d1b0095 | 6716 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
6717 | if (insn & (1 << 22)) { |
6718 | /* Subtract (mls) */ | |
6719 | ARCH(6T2); | |
5e3f878a PB |
6720 | tmp2 = load_reg(s, rn); |
6721 | tcg_gen_sub_i32(tmp, tmp2, tmp); | |
7d1b0095 | 6722 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
6723 | } else if (insn & (1 << 21)) { |
6724 | /* Add */ | |
5e3f878a PB |
6725 | tmp2 = load_reg(s, rn); |
6726 | tcg_gen_add_i32(tmp, tmp, tmp2); | |
7d1b0095 | 6727 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
6728 | } |
6729 | if (insn & (1 << 20)) | |
5e3f878a PB |
6730 | gen_logic_CC(tmp); |
6731 | store_reg(s, rd, tmp); | |
9ee6e8bb | 6732 | break; |
8aac08b1 AJ |
6733 | case 4: |
6734 | /* 64 bit mul double accumulate (UMAAL) */ | |
6735 | ARCH(6); | |
6736 | tmp = load_reg(s, rs); | |
6737 | tmp2 = load_reg(s, rm); | |
6738 | tmp64 = gen_mulu_i64_i32(tmp, tmp2); | |
6739 | gen_addq_lo(s, tmp64, rn); | |
6740 | gen_addq_lo(s, tmp64, rd); | |
6741 | gen_storeq_reg(s, rn, rd, tmp64); | |
6742 | tcg_temp_free_i64(tmp64); | |
6743 | break; | |
6744 | case 8: case 9: case 10: case 11: | |
6745 | case 12: case 13: case 14: case 15: | |
6746 | /* 64 bit mul: UMULL, UMLAL, SMULL, SMLAL. */ | |
5e3f878a PB |
6747 | tmp = load_reg(s, rs); |
6748 | tmp2 = load_reg(s, rm); | |
8aac08b1 | 6749 | if (insn & (1 << 22)) { |
a7812ae4 | 6750 | tmp64 = gen_muls_i64_i32(tmp, tmp2); |
8aac08b1 | 6751 | } else { |
a7812ae4 | 6752 | tmp64 = gen_mulu_i64_i32(tmp, tmp2); |
8aac08b1 AJ |
6753 | } |
6754 | if (insn & (1 << 21)) { /* mult accumulate */ | |
a7812ae4 | 6755 | gen_addq(s, tmp64, rn, rd); |
9ee6e8bb | 6756 | } |
8aac08b1 | 6757 | if (insn & (1 << 20)) { |
a7812ae4 | 6758 | gen_logicq_cc(tmp64); |
8aac08b1 | 6759 | } |
a7812ae4 | 6760 | gen_storeq_reg(s, rn, rd, tmp64); |
b75263d6 | 6761 | tcg_temp_free_i64(tmp64); |
9ee6e8bb | 6762 | break; |
8aac08b1 AJ |
6763 | default: |
6764 | goto illegal_op; | |
9ee6e8bb PB |
6765 | } |
6766 | } else { | |
6767 | rn = (insn >> 16) & 0xf; | |
6768 | rd = (insn >> 12) & 0xf; | |
6769 | if (insn & (1 << 23)) { | |
6770 | /* load/store exclusive */ | |
86753403 PB |
6771 | op1 = (insn >> 21) & 0x3; |
6772 | if (op1) | |
a47f43d2 | 6773 | ARCH(6K); |
86753403 PB |
6774 | else |
6775 | ARCH(6); | |
3174f8e9 | 6776 | addr = tcg_temp_local_new_i32(); |
98a46317 | 6777 | load_reg_var(s, addr, rn); |
9ee6e8bb | 6778 | if (insn & (1 << 20)) { |
86753403 PB |
6779 | switch (op1) { |
6780 | case 0: /* ldrex */ | |
426f5abc | 6781 | gen_load_exclusive(s, rd, 15, addr, 2); |
86753403 PB |
6782 | break; |
6783 | case 1: /* ldrexd */ | |
426f5abc | 6784 | gen_load_exclusive(s, rd, rd + 1, addr, 3); |
86753403 PB |
6785 | break; |
6786 | case 2: /* ldrexb */ | |
426f5abc | 6787 | gen_load_exclusive(s, rd, 15, addr, 0); |
86753403 PB |
6788 | break; |
6789 | case 3: /* ldrexh */ | |
426f5abc | 6790 | gen_load_exclusive(s, rd, 15, addr, 1); |
86753403 PB |
6791 | break; |
6792 | default: | |
6793 | abort(); | |
6794 | } | |
9ee6e8bb PB |
6795 | } else { |
6796 | rm = insn & 0xf; | |
86753403 PB |
6797 | switch (op1) { |
6798 | case 0: /* strex */ | |
426f5abc | 6799 | gen_store_exclusive(s, rd, rm, 15, addr, 2); |
86753403 PB |
6800 | break; |
6801 | case 1: /* strexd */ | |
502e64fe | 6802 | gen_store_exclusive(s, rd, rm, rm + 1, addr, 3); |
86753403 PB |
6803 | break; |
6804 | case 2: /* strexb */ | |
426f5abc | 6805 | gen_store_exclusive(s, rd, rm, 15, addr, 0); |
86753403 PB |
6806 | break; |
6807 | case 3: /* strexh */ | |
426f5abc | 6808 | gen_store_exclusive(s, rd, rm, 15, addr, 1); |
86753403 PB |
6809 | break; |
6810 | default: | |
6811 | abort(); | |
6812 | } | |
9ee6e8bb | 6813 | } |
3174f8e9 | 6814 | tcg_temp_free(addr); |
9ee6e8bb PB |
6815 | } else { |
6816 | /* SWP instruction */ | |
6817 | rm = (insn) & 0xf; | |
6818 | ||
8984bd2e PB |
6819 | /* ??? This is not really atomic. However we know |
6820 | we never have multiple CPUs running in parallel, | |
6821 | so it is good enough. */ | |
6822 | addr = load_reg(s, rn); | |
6823 | tmp = load_reg(s, rm); | |
9ee6e8bb | 6824 | if (insn & (1 << 22)) { |
8984bd2e PB |
6825 | tmp2 = gen_ld8u(addr, IS_USER(s)); |
6826 | gen_st8(tmp, addr, IS_USER(s)); | |
9ee6e8bb | 6827 | } else { |
8984bd2e PB |
6828 | tmp2 = gen_ld32(addr, IS_USER(s)); |
6829 | gen_st32(tmp, addr, IS_USER(s)); | |
9ee6e8bb | 6830 | } |
7d1b0095 | 6831 | tcg_temp_free_i32(addr); |
8984bd2e | 6832 | store_reg(s, rd, tmp2); |
9ee6e8bb PB |
6833 | } |
6834 | } | |
6835 | } else { | |
6836 | int address_offset; | |
6837 | int load; | |
6838 | /* Misc load/store */ | |
6839 | rn = (insn >> 16) & 0xf; | |
6840 | rd = (insn >> 12) & 0xf; | |
b0109805 | 6841 | addr = load_reg(s, rn); |
9ee6e8bb | 6842 | if (insn & (1 << 24)) |
b0109805 | 6843 | gen_add_datah_offset(s, insn, 0, addr); |
9ee6e8bb PB |
6844 | address_offset = 0; |
6845 | if (insn & (1 << 20)) { | |
6846 | /* load */ | |
6847 | switch(sh) { | |
6848 | case 1: | |
b0109805 | 6849 | tmp = gen_ld16u(addr, IS_USER(s)); |
9ee6e8bb PB |
6850 | break; |
6851 | case 2: | |
b0109805 | 6852 | tmp = gen_ld8s(addr, IS_USER(s)); |
9ee6e8bb PB |
6853 | break; |
6854 | default: | |
6855 | case 3: | |
b0109805 | 6856 | tmp = gen_ld16s(addr, IS_USER(s)); |
9ee6e8bb PB |
6857 | break; |
6858 | } | |
6859 | load = 1; | |
6860 | } else if (sh & 2) { | |
6861 | /* doubleword */ | |
6862 | if (sh & 1) { | |
6863 | /* store */ | |
b0109805 PB |
6864 | tmp = load_reg(s, rd); |
6865 | gen_st32(tmp, addr, IS_USER(s)); | |
6866 | tcg_gen_addi_i32(addr, addr, 4); | |
6867 | tmp = load_reg(s, rd + 1); | |
6868 | gen_st32(tmp, addr, IS_USER(s)); | |
9ee6e8bb PB |
6869 | load = 0; |
6870 | } else { | |
6871 | /* load */ | |
b0109805 PB |
6872 | tmp = gen_ld32(addr, IS_USER(s)); |
6873 | store_reg(s, rd, tmp); | |
6874 | tcg_gen_addi_i32(addr, addr, 4); | |
6875 | tmp = gen_ld32(addr, IS_USER(s)); | |
9ee6e8bb PB |
6876 | rd++; |
6877 | load = 1; | |
6878 | } | |
6879 | address_offset = -4; | |
6880 | } else { | |
6881 | /* store */ | |
b0109805 PB |
6882 | tmp = load_reg(s, rd); |
6883 | gen_st16(tmp, addr, IS_USER(s)); | |
9ee6e8bb PB |
6884 | load = 0; |
6885 | } | |
6886 | /* Perform base writeback before the loaded value to | |
6887 | ensure correct behavior with overlapping index registers. | |
6888 | ldrd with base writeback is is undefined if the | |
6889 | destination and index registers overlap. */ | |
6890 | if (!(insn & (1 << 24))) { | |
b0109805 PB |
6891 | gen_add_datah_offset(s, insn, address_offset, addr); |
6892 | store_reg(s, rn, addr); | |
9ee6e8bb PB |
6893 | } else if (insn & (1 << 21)) { |
6894 | if (address_offset) | |
b0109805 PB |
6895 | tcg_gen_addi_i32(addr, addr, address_offset); |
6896 | store_reg(s, rn, addr); | |
6897 | } else { | |
7d1b0095 | 6898 | tcg_temp_free_i32(addr); |
9ee6e8bb PB |
6899 | } |
6900 | if (load) { | |
6901 | /* Complete the load. */ | |
b0109805 | 6902 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6903 | } |
6904 | } | |
6905 | break; | |
6906 | case 0x4: | |
6907 | case 0x5: | |
6908 | goto do_ldst; | |
6909 | case 0x6: | |
6910 | case 0x7: | |
6911 | if (insn & (1 << 4)) { | |
6912 | ARCH(6); | |
6913 | /* Armv6 Media instructions. */ | |
6914 | rm = insn & 0xf; | |
6915 | rn = (insn >> 16) & 0xf; | |
2c0262af | 6916 | rd = (insn >> 12) & 0xf; |
9ee6e8bb PB |
6917 | rs = (insn >> 8) & 0xf; |
6918 | switch ((insn >> 23) & 3) { | |
6919 | case 0: /* Parallel add/subtract. */ | |
6920 | op1 = (insn >> 20) & 7; | |
6ddbc6e4 PB |
6921 | tmp = load_reg(s, rn); |
6922 | tmp2 = load_reg(s, rm); | |
9ee6e8bb PB |
6923 | sh = (insn >> 5) & 7; |
6924 | if ((op1 & 3) == 0 || sh == 5 || sh == 6) | |
6925 | goto illegal_op; | |
6ddbc6e4 | 6926 | gen_arm_parallel_addsub(op1, sh, tmp, tmp2); |
7d1b0095 | 6927 | tcg_temp_free_i32(tmp2); |
6ddbc6e4 | 6928 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6929 | break; |
6930 | case 1: | |
6931 | if ((insn & 0x00700020) == 0) { | |
6c95676b | 6932 | /* Halfword pack. */ |
3670669c PB |
6933 | tmp = load_reg(s, rn); |
6934 | tmp2 = load_reg(s, rm); | |
9ee6e8bb | 6935 | shift = (insn >> 7) & 0x1f; |
3670669c PB |
6936 | if (insn & (1 << 6)) { |
6937 | /* pkhtb */ | |
22478e79 AZ |
6938 | if (shift == 0) |
6939 | shift = 31; | |
6940 | tcg_gen_sari_i32(tmp2, tmp2, shift); | |
3670669c | 6941 | tcg_gen_andi_i32(tmp, tmp, 0xffff0000); |
86831435 | 6942 | tcg_gen_ext16u_i32(tmp2, tmp2); |
3670669c PB |
6943 | } else { |
6944 | /* pkhbt */ | |
22478e79 AZ |
6945 | if (shift) |
6946 | tcg_gen_shli_i32(tmp2, tmp2, shift); | |
86831435 | 6947 | tcg_gen_ext16u_i32(tmp, tmp); |
3670669c PB |
6948 | tcg_gen_andi_i32(tmp2, tmp2, 0xffff0000); |
6949 | } | |
6950 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
7d1b0095 | 6951 | tcg_temp_free_i32(tmp2); |
3670669c | 6952 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6953 | } else if ((insn & 0x00200020) == 0x00200000) { |
6954 | /* [us]sat */ | |
6ddbc6e4 | 6955 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
6956 | shift = (insn >> 7) & 0x1f; |
6957 | if (insn & (1 << 6)) { | |
6958 | if (shift == 0) | |
6959 | shift = 31; | |
6ddbc6e4 | 6960 | tcg_gen_sari_i32(tmp, tmp, shift); |
9ee6e8bb | 6961 | } else { |
6ddbc6e4 | 6962 | tcg_gen_shli_i32(tmp, tmp, shift); |
9ee6e8bb PB |
6963 | } |
6964 | sh = (insn >> 16) & 0x1f; | |
40d3c433 CL |
6965 | tmp2 = tcg_const_i32(sh); |
6966 | if (insn & (1 << 22)) | |
6967 | gen_helper_usat(tmp, tmp, tmp2); | |
6968 | else | |
6969 | gen_helper_ssat(tmp, tmp, tmp2); | |
6970 | tcg_temp_free_i32(tmp2); | |
6ddbc6e4 | 6971 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6972 | } else if ((insn & 0x00300fe0) == 0x00200f20) { |
6973 | /* [us]sat16 */ | |
6ddbc6e4 | 6974 | tmp = load_reg(s, rm); |
9ee6e8bb | 6975 | sh = (insn >> 16) & 0x1f; |
40d3c433 CL |
6976 | tmp2 = tcg_const_i32(sh); |
6977 | if (insn & (1 << 22)) | |
6978 | gen_helper_usat16(tmp, tmp, tmp2); | |
6979 | else | |
6980 | gen_helper_ssat16(tmp, tmp, tmp2); | |
6981 | tcg_temp_free_i32(tmp2); | |
6ddbc6e4 | 6982 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6983 | } else if ((insn & 0x00700fe0) == 0x00000fa0) { |
6984 | /* Select bytes. */ | |
6ddbc6e4 PB |
6985 | tmp = load_reg(s, rn); |
6986 | tmp2 = load_reg(s, rm); | |
7d1b0095 | 6987 | tmp3 = tcg_temp_new_i32(); |
6ddbc6e4 PB |
6988 | tcg_gen_ld_i32(tmp3, cpu_env, offsetof(CPUState, GE)); |
6989 | gen_helper_sel_flags(tmp, tmp3, tmp, tmp2); | |
7d1b0095 PM |
6990 | tcg_temp_free_i32(tmp3); |
6991 | tcg_temp_free_i32(tmp2); | |
6ddbc6e4 | 6992 | store_reg(s, rd, tmp); |
9ee6e8bb | 6993 | } else if ((insn & 0x000003e0) == 0x00000060) { |
5e3f878a | 6994 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
6995 | shift = (insn >> 10) & 3; |
6996 | /* ??? In many cases it's not neccessary to do a | |
6997 | rotate, a shift is sufficient. */ | |
6998 | if (shift != 0) | |
f669df27 | 6999 | tcg_gen_rotri_i32(tmp, tmp, shift * 8); |
9ee6e8bb PB |
7000 | op1 = (insn >> 20) & 7; |
7001 | switch (op1) { | |
5e3f878a PB |
7002 | case 0: gen_sxtb16(tmp); break; |
7003 | case 2: gen_sxtb(tmp); break; | |
7004 | case 3: gen_sxth(tmp); break; | |
7005 | case 4: gen_uxtb16(tmp); break; | |
7006 | case 6: gen_uxtb(tmp); break; | |
7007 | case 7: gen_uxth(tmp); break; | |
9ee6e8bb PB |
7008 | default: goto illegal_op; |
7009 | } | |
7010 | if (rn != 15) { | |
5e3f878a | 7011 | tmp2 = load_reg(s, rn); |
9ee6e8bb | 7012 | if ((op1 & 3) == 0) { |
5e3f878a | 7013 | gen_add16(tmp, tmp2); |
9ee6e8bb | 7014 | } else { |
5e3f878a | 7015 | tcg_gen_add_i32(tmp, tmp, tmp2); |
7d1b0095 | 7016 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
7017 | } |
7018 | } | |
6c95676b | 7019 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7020 | } else if ((insn & 0x003f0f60) == 0x003f0f20) { |
7021 | /* rev */ | |
b0109805 | 7022 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
7023 | if (insn & (1 << 22)) { |
7024 | if (insn & (1 << 7)) { | |
b0109805 | 7025 | gen_revsh(tmp); |
9ee6e8bb PB |
7026 | } else { |
7027 | ARCH(6T2); | |
b0109805 | 7028 | gen_helper_rbit(tmp, tmp); |
9ee6e8bb PB |
7029 | } |
7030 | } else { | |
7031 | if (insn & (1 << 7)) | |
b0109805 | 7032 | gen_rev16(tmp); |
9ee6e8bb | 7033 | else |
66896cb8 | 7034 | tcg_gen_bswap32_i32(tmp, tmp); |
9ee6e8bb | 7035 | } |
b0109805 | 7036 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7037 | } else { |
7038 | goto illegal_op; | |
7039 | } | |
7040 | break; | |
7041 | case 2: /* Multiplies (Type 3). */ | |
5e3f878a PB |
7042 | tmp = load_reg(s, rm); |
7043 | tmp2 = load_reg(s, rs); | |
9ee6e8bb | 7044 | if (insn & (1 << 20)) { |
838fa72d AJ |
7045 | /* Signed multiply most significant [accumulate]. |
7046 | (SMMUL, SMMLA, SMMLS) */ | |
a7812ae4 | 7047 | tmp64 = gen_muls_i64_i32(tmp, tmp2); |
838fa72d | 7048 | |
955a7dd5 | 7049 | if (rd != 15) { |
838fa72d | 7050 | tmp = load_reg(s, rd); |
9ee6e8bb | 7051 | if (insn & (1 << 6)) { |
838fa72d | 7052 | tmp64 = gen_subq_msw(tmp64, tmp); |
9ee6e8bb | 7053 | } else { |
838fa72d | 7054 | tmp64 = gen_addq_msw(tmp64, tmp); |
9ee6e8bb PB |
7055 | } |
7056 | } | |
838fa72d AJ |
7057 | if (insn & (1 << 5)) { |
7058 | tcg_gen_addi_i64(tmp64, tmp64, 0x80000000u); | |
7059 | } | |
7060 | tcg_gen_shri_i64(tmp64, tmp64, 32); | |
7d1b0095 | 7061 | tmp = tcg_temp_new_i32(); |
838fa72d AJ |
7062 | tcg_gen_trunc_i64_i32(tmp, tmp64); |
7063 | tcg_temp_free_i64(tmp64); | |
955a7dd5 | 7064 | store_reg(s, rn, tmp); |
9ee6e8bb PB |
7065 | } else { |
7066 | if (insn & (1 << 5)) | |
5e3f878a PB |
7067 | gen_swap_half(tmp2); |
7068 | gen_smul_dual(tmp, tmp2); | |
5e3f878a | 7069 | if (insn & (1 << 6)) { |
e1d177b9 | 7070 | /* This subtraction cannot overflow. */ |
5e3f878a PB |
7071 | tcg_gen_sub_i32(tmp, tmp, tmp2); |
7072 | } else { | |
e1d177b9 PM |
7073 | /* This addition cannot overflow 32 bits; |
7074 | * however it may overflow considered as a signed | |
7075 | * operation, in which case we must set the Q flag. | |
7076 | */ | |
7077 | gen_helper_add_setq(tmp, tmp, tmp2); | |
5e3f878a | 7078 | } |
7d1b0095 | 7079 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 7080 | if (insn & (1 << 22)) { |
5e3f878a | 7081 | /* smlald, smlsld */ |
a7812ae4 PB |
7082 | tmp64 = tcg_temp_new_i64(); |
7083 | tcg_gen_ext_i32_i64(tmp64, tmp); | |
7d1b0095 | 7084 | tcg_temp_free_i32(tmp); |
a7812ae4 PB |
7085 | gen_addq(s, tmp64, rd, rn); |
7086 | gen_storeq_reg(s, rd, rn, tmp64); | |
b75263d6 | 7087 | tcg_temp_free_i64(tmp64); |
9ee6e8bb | 7088 | } else { |
5e3f878a | 7089 | /* smuad, smusd, smlad, smlsd */ |
22478e79 | 7090 | if (rd != 15) |
9ee6e8bb | 7091 | { |
22478e79 | 7092 | tmp2 = load_reg(s, rd); |
5e3f878a | 7093 | gen_helper_add_setq(tmp, tmp, tmp2); |
7d1b0095 | 7094 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 7095 | } |
22478e79 | 7096 | store_reg(s, rn, tmp); |
9ee6e8bb PB |
7097 | } |
7098 | } | |
7099 | break; | |
7100 | case 3: | |
7101 | op1 = ((insn >> 17) & 0x38) | ((insn >> 5) & 7); | |
7102 | switch (op1) { | |
7103 | case 0: /* Unsigned sum of absolute differences. */ | |
6ddbc6e4 PB |
7104 | ARCH(6); |
7105 | tmp = load_reg(s, rm); | |
7106 | tmp2 = load_reg(s, rs); | |
7107 | gen_helper_usad8(tmp, tmp, tmp2); | |
7d1b0095 | 7108 | tcg_temp_free_i32(tmp2); |
ded9d295 AZ |
7109 | if (rd != 15) { |
7110 | tmp2 = load_reg(s, rd); | |
6ddbc6e4 | 7111 | tcg_gen_add_i32(tmp, tmp, tmp2); |
7d1b0095 | 7112 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 7113 | } |
ded9d295 | 7114 | store_reg(s, rn, tmp); |
9ee6e8bb PB |
7115 | break; |
7116 | case 0x20: case 0x24: case 0x28: case 0x2c: | |
7117 | /* Bitfield insert/clear. */ | |
7118 | ARCH(6T2); | |
7119 | shift = (insn >> 7) & 0x1f; | |
7120 | i = (insn >> 16) & 0x1f; | |
7121 | i = i + 1 - shift; | |
7122 | if (rm == 15) { | |
7d1b0095 | 7123 | tmp = tcg_temp_new_i32(); |
5e3f878a | 7124 | tcg_gen_movi_i32(tmp, 0); |
9ee6e8bb | 7125 | } else { |
5e3f878a | 7126 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
7127 | } |
7128 | if (i != 32) { | |
5e3f878a | 7129 | tmp2 = load_reg(s, rd); |
8f8e3aa4 | 7130 | gen_bfi(tmp, tmp2, tmp, shift, (1u << i) - 1); |
7d1b0095 | 7131 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 7132 | } |
5e3f878a | 7133 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7134 | break; |
7135 | case 0x12: case 0x16: case 0x1a: case 0x1e: /* sbfx */ | |
7136 | case 0x32: case 0x36: case 0x3a: case 0x3e: /* ubfx */ | |
4cc633c3 | 7137 | ARCH(6T2); |
5e3f878a | 7138 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
7139 | shift = (insn >> 7) & 0x1f; |
7140 | i = ((insn >> 16) & 0x1f) + 1; | |
7141 | if (shift + i > 32) | |
7142 | goto illegal_op; | |
7143 | if (i < 32) { | |
7144 | if (op1 & 0x20) { | |
5e3f878a | 7145 | gen_ubfx(tmp, shift, (1u << i) - 1); |
9ee6e8bb | 7146 | } else { |
5e3f878a | 7147 | gen_sbfx(tmp, shift, i); |
9ee6e8bb PB |
7148 | } |
7149 | } | |
5e3f878a | 7150 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7151 | break; |
7152 | default: | |
7153 | goto illegal_op; | |
7154 | } | |
7155 | break; | |
7156 | } | |
7157 | break; | |
7158 | } | |
7159 | do_ldst: | |
7160 | /* Check for undefined extension instructions | |
7161 | * per the ARM Bible IE: | |
7162 | * xxxx 0111 1111 xxxx xxxx xxxx 1111 xxxx | |
7163 | */ | |
7164 | sh = (0xf << 20) | (0xf << 4); | |
7165 | if (op1 == 0x7 && ((insn & sh) == sh)) | |
7166 | { | |
7167 | goto illegal_op; | |
7168 | } | |
7169 | /* load/store byte/word */ | |
7170 | rn = (insn >> 16) & 0xf; | |
7171 | rd = (insn >> 12) & 0xf; | |
b0109805 | 7172 | tmp2 = load_reg(s, rn); |
9ee6e8bb PB |
7173 | i = (IS_USER(s) || (insn & 0x01200000) == 0x00200000); |
7174 | if (insn & (1 << 24)) | |
b0109805 | 7175 | gen_add_data_offset(s, insn, tmp2); |
9ee6e8bb PB |
7176 | if (insn & (1 << 20)) { |
7177 | /* load */ | |
9ee6e8bb | 7178 | if (insn & (1 << 22)) { |
b0109805 | 7179 | tmp = gen_ld8u(tmp2, i); |
9ee6e8bb | 7180 | } else { |
b0109805 | 7181 | tmp = gen_ld32(tmp2, i); |
9ee6e8bb | 7182 | } |
9ee6e8bb PB |
7183 | } else { |
7184 | /* store */ | |
b0109805 | 7185 | tmp = load_reg(s, rd); |
9ee6e8bb | 7186 | if (insn & (1 << 22)) |
b0109805 | 7187 | gen_st8(tmp, tmp2, i); |
9ee6e8bb | 7188 | else |
b0109805 | 7189 | gen_st32(tmp, tmp2, i); |
9ee6e8bb PB |
7190 | } |
7191 | if (!(insn & (1 << 24))) { | |
b0109805 PB |
7192 | gen_add_data_offset(s, insn, tmp2); |
7193 | store_reg(s, rn, tmp2); | |
7194 | } else if (insn & (1 << 21)) { | |
7195 | store_reg(s, rn, tmp2); | |
7196 | } else { | |
7d1b0095 | 7197 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
7198 | } |
7199 | if (insn & (1 << 20)) { | |
7200 | /* Complete the load. */ | |
7201 | if (rd == 15) | |
b0109805 | 7202 | gen_bx(s, tmp); |
9ee6e8bb | 7203 | else |
b0109805 | 7204 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7205 | } |
7206 | break; | |
7207 | case 0x08: | |
7208 | case 0x09: | |
7209 | { | |
7210 | int j, n, user, loaded_base; | |
b0109805 | 7211 | TCGv loaded_var; |
9ee6e8bb PB |
7212 | /* load/store multiple words */ |
7213 | /* XXX: store correct base if write back */ | |
7214 | user = 0; | |
7215 | if (insn & (1 << 22)) { | |
7216 | if (IS_USER(s)) | |
7217 | goto illegal_op; /* only usable in supervisor mode */ | |
7218 | ||
7219 | if ((insn & (1 << 15)) == 0) | |
7220 | user = 1; | |
7221 | } | |
7222 | rn = (insn >> 16) & 0xf; | |
b0109805 | 7223 | addr = load_reg(s, rn); |
9ee6e8bb PB |
7224 | |
7225 | /* compute total size */ | |
7226 | loaded_base = 0; | |
a50f5b91 | 7227 | TCGV_UNUSED(loaded_var); |
9ee6e8bb PB |
7228 | n = 0; |
7229 | for(i=0;i<16;i++) { | |
7230 | if (insn & (1 << i)) | |
7231 | n++; | |
7232 | } | |
7233 | /* XXX: test invalid n == 0 case ? */ | |
7234 | if (insn & (1 << 23)) { | |
7235 | if (insn & (1 << 24)) { | |
7236 | /* pre increment */ | |
b0109805 | 7237 | tcg_gen_addi_i32(addr, addr, 4); |
9ee6e8bb PB |
7238 | } else { |
7239 | /* post increment */ | |
7240 | } | |
7241 | } else { | |
7242 | if (insn & (1 << 24)) { | |
7243 | /* pre decrement */ | |
b0109805 | 7244 | tcg_gen_addi_i32(addr, addr, -(n * 4)); |
9ee6e8bb PB |
7245 | } else { |
7246 | /* post decrement */ | |
7247 | if (n != 1) | |
b0109805 | 7248 | tcg_gen_addi_i32(addr, addr, -((n - 1) * 4)); |
9ee6e8bb PB |
7249 | } |
7250 | } | |
7251 | j = 0; | |
7252 | for(i=0;i<16;i++) { | |
7253 | if (insn & (1 << i)) { | |
7254 | if (insn & (1 << 20)) { | |
7255 | /* load */ | |
b0109805 | 7256 | tmp = gen_ld32(addr, IS_USER(s)); |
9ee6e8bb | 7257 | if (i == 15) { |
b0109805 | 7258 | gen_bx(s, tmp); |
9ee6e8bb | 7259 | } else if (user) { |
b75263d6 JR |
7260 | tmp2 = tcg_const_i32(i); |
7261 | gen_helper_set_user_reg(tmp2, tmp); | |
7262 | tcg_temp_free_i32(tmp2); | |
7d1b0095 | 7263 | tcg_temp_free_i32(tmp); |
9ee6e8bb | 7264 | } else if (i == rn) { |
b0109805 | 7265 | loaded_var = tmp; |
9ee6e8bb PB |
7266 | loaded_base = 1; |
7267 | } else { | |
b0109805 | 7268 | store_reg(s, i, tmp); |
9ee6e8bb PB |
7269 | } |
7270 | } else { | |
7271 | /* store */ | |
7272 | if (i == 15) { | |
7273 | /* special case: r15 = PC + 8 */ | |
7274 | val = (long)s->pc + 4; | |
7d1b0095 | 7275 | tmp = tcg_temp_new_i32(); |
b0109805 | 7276 | tcg_gen_movi_i32(tmp, val); |
9ee6e8bb | 7277 | } else if (user) { |
7d1b0095 | 7278 | tmp = tcg_temp_new_i32(); |
b75263d6 JR |
7279 | tmp2 = tcg_const_i32(i); |
7280 | gen_helper_get_user_reg(tmp, tmp2); | |
7281 | tcg_temp_free_i32(tmp2); | |
9ee6e8bb | 7282 | } else { |
b0109805 | 7283 | tmp = load_reg(s, i); |
9ee6e8bb | 7284 | } |
b0109805 | 7285 | gen_st32(tmp, addr, IS_USER(s)); |
9ee6e8bb PB |
7286 | } |
7287 | j++; | |
7288 | /* no need to add after the last transfer */ | |
7289 | if (j != n) | |
b0109805 | 7290 | tcg_gen_addi_i32(addr, addr, 4); |
9ee6e8bb PB |
7291 | } |
7292 | } | |
7293 | if (insn & (1 << 21)) { | |
7294 | /* write back */ | |
7295 | if (insn & (1 << 23)) { | |
7296 | if (insn & (1 << 24)) { | |
7297 | /* pre increment */ | |
7298 | } else { | |
7299 | /* post increment */ | |
b0109805 | 7300 | tcg_gen_addi_i32(addr, addr, 4); |
9ee6e8bb PB |
7301 | } |
7302 | } else { | |
7303 | if (insn & (1 << 24)) { | |
7304 | /* pre decrement */ | |
7305 | if (n != 1) | |
b0109805 | 7306 | tcg_gen_addi_i32(addr, addr, -((n - 1) * 4)); |
9ee6e8bb PB |
7307 | } else { |
7308 | /* post decrement */ | |
b0109805 | 7309 | tcg_gen_addi_i32(addr, addr, -(n * 4)); |
9ee6e8bb PB |
7310 | } |
7311 | } | |
b0109805 PB |
7312 | store_reg(s, rn, addr); |
7313 | } else { | |
7d1b0095 | 7314 | tcg_temp_free_i32(addr); |
9ee6e8bb PB |
7315 | } |
7316 | if (loaded_base) { | |
b0109805 | 7317 | store_reg(s, rn, loaded_var); |
9ee6e8bb PB |
7318 | } |
7319 | if ((insn & (1 << 22)) && !user) { | |
7320 | /* Restore CPSR from SPSR. */ | |
d9ba4830 PB |
7321 | tmp = load_cpu_field(spsr); |
7322 | gen_set_cpsr(tmp, 0xffffffff); | |
7d1b0095 | 7323 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
7324 | s->is_jmp = DISAS_UPDATE; |
7325 | } | |
7326 | } | |
7327 | break; | |
7328 | case 0xa: | |
7329 | case 0xb: | |
7330 | { | |
7331 | int32_t offset; | |
7332 | ||
7333 | /* branch (and link) */ | |
7334 | val = (int32_t)s->pc; | |
7335 | if (insn & (1 << 24)) { | |
7d1b0095 | 7336 | tmp = tcg_temp_new_i32(); |
5e3f878a PB |
7337 | tcg_gen_movi_i32(tmp, val); |
7338 | store_reg(s, 14, tmp); | |
9ee6e8bb PB |
7339 | } |
7340 | offset = (((int32_t)insn << 8) >> 8); | |
7341 | val += (offset << 2) + 4; | |
7342 | gen_jmp(s, val); | |
7343 | } | |
7344 | break; | |
7345 | case 0xc: | |
7346 | case 0xd: | |
7347 | case 0xe: | |
7348 | /* Coprocessor. */ | |
7349 | if (disas_coproc_insn(env, s, insn)) | |
7350 | goto illegal_op; | |
7351 | break; | |
7352 | case 0xf: | |
7353 | /* swi */ | |
5e3f878a | 7354 | gen_set_pc_im(s->pc); |
9ee6e8bb PB |
7355 | s->is_jmp = DISAS_SWI; |
7356 | break; | |
7357 | default: | |
7358 | illegal_op: | |
bc4a0de0 | 7359 | gen_exception_insn(s, 4, EXCP_UDEF); |
9ee6e8bb PB |
7360 | break; |
7361 | } | |
7362 | } | |
7363 | } | |
7364 | ||
7365 | /* Return true if this is a Thumb-2 logical op. */ | |
7366 | static int | |
7367 | thumb2_logic_op(int op) | |
7368 | { | |
7369 | return (op < 8); | |
7370 | } | |
7371 | ||
7372 | /* Generate code for a Thumb-2 data processing operation. If CONDS is nonzero | |
7373 | then set condition code flags based on the result of the operation. | |
7374 | If SHIFTER_OUT is nonzero then set the carry flag for logical operations | |
7375 | to the high bit of T1. | |
7376 | Returns zero if the opcode is valid. */ | |
7377 | ||
7378 | static int | |
396e467c | 7379 | gen_thumb2_data_op(DisasContext *s, int op, int conds, uint32_t shifter_out, TCGv t0, TCGv t1) |
9ee6e8bb PB |
7380 | { |
7381 | int logic_cc; | |
7382 | ||
7383 | logic_cc = 0; | |
7384 | switch (op) { | |
7385 | case 0: /* and */ | |
396e467c | 7386 | tcg_gen_and_i32(t0, t0, t1); |
9ee6e8bb PB |
7387 | logic_cc = conds; |
7388 | break; | |
7389 | case 1: /* bic */ | |
f669df27 | 7390 | tcg_gen_andc_i32(t0, t0, t1); |
9ee6e8bb PB |
7391 | logic_cc = conds; |
7392 | break; | |
7393 | case 2: /* orr */ | |
396e467c | 7394 | tcg_gen_or_i32(t0, t0, t1); |
9ee6e8bb PB |
7395 | logic_cc = conds; |
7396 | break; | |
7397 | case 3: /* orn */ | |
29501f1b | 7398 | tcg_gen_orc_i32(t0, t0, t1); |
9ee6e8bb PB |
7399 | logic_cc = conds; |
7400 | break; | |
7401 | case 4: /* eor */ | |
396e467c | 7402 | tcg_gen_xor_i32(t0, t0, t1); |
9ee6e8bb PB |
7403 | logic_cc = conds; |
7404 | break; | |
7405 | case 8: /* add */ | |
7406 | if (conds) | |
396e467c | 7407 | gen_helper_add_cc(t0, t0, t1); |
9ee6e8bb | 7408 | else |
396e467c | 7409 | tcg_gen_add_i32(t0, t0, t1); |
9ee6e8bb PB |
7410 | break; |
7411 | case 10: /* adc */ | |
7412 | if (conds) | |
396e467c | 7413 | gen_helper_adc_cc(t0, t0, t1); |
9ee6e8bb | 7414 | else |
396e467c | 7415 | gen_adc(t0, t1); |
9ee6e8bb PB |
7416 | break; |
7417 | case 11: /* sbc */ | |
7418 | if (conds) | |
396e467c | 7419 | gen_helper_sbc_cc(t0, t0, t1); |
9ee6e8bb | 7420 | else |
396e467c | 7421 | gen_sub_carry(t0, t0, t1); |
9ee6e8bb PB |
7422 | break; |
7423 | case 13: /* sub */ | |
7424 | if (conds) | |
396e467c | 7425 | gen_helper_sub_cc(t0, t0, t1); |
9ee6e8bb | 7426 | else |
396e467c | 7427 | tcg_gen_sub_i32(t0, t0, t1); |
9ee6e8bb PB |
7428 | break; |
7429 | case 14: /* rsb */ | |
7430 | if (conds) | |
396e467c | 7431 | gen_helper_sub_cc(t0, t1, t0); |
9ee6e8bb | 7432 | else |
396e467c | 7433 | tcg_gen_sub_i32(t0, t1, t0); |
9ee6e8bb PB |
7434 | break; |
7435 | default: /* 5, 6, 7, 9, 12, 15. */ | |
7436 | return 1; | |
7437 | } | |
7438 | if (logic_cc) { | |
396e467c | 7439 | gen_logic_CC(t0); |
9ee6e8bb | 7440 | if (shifter_out) |
396e467c | 7441 | gen_set_CF_bit31(t1); |
9ee6e8bb PB |
7442 | } |
7443 | return 0; | |
7444 | } | |
7445 | ||
7446 | /* Translate a 32-bit thumb instruction. Returns nonzero if the instruction | |
7447 | is not legal. */ | |
7448 | static int disas_thumb2_insn(CPUState *env, DisasContext *s, uint16_t insn_hw1) | |
7449 | { | |
b0109805 | 7450 | uint32_t insn, imm, shift, offset; |
9ee6e8bb | 7451 | uint32_t rd, rn, rm, rs; |
b26eefb6 | 7452 | TCGv tmp; |
6ddbc6e4 PB |
7453 | TCGv tmp2; |
7454 | TCGv tmp3; | |
b0109805 | 7455 | TCGv addr; |
a7812ae4 | 7456 | TCGv_i64 tmp64; |
9ee6e8bb PB |
7457 | int op; |
7458 | int shiftop; | |
7459 | int conds; | |
7460 | int logic_cc; | |
7461 | ||
7462 | if (!(arm_feature(env, ARM_FEATURE_THUMB2) | |
7463 | || arm_feature (env, ARM_FEATURE_M))) { | |
601d70b9 | 7464 | /* Thumb-1 cores may need to treat bl and blx as a pair of |
9ee6e8bb PB |
7465 | 16-bit instructions to get correct prefetch abort behavior. */ |
7466 | insn = insn_hw1; | |
7467 | if ((insn & (1 << 12)) == 0) { | |
7468 | /* Second half of blx. */ | |
7469 | offset = ((insn & 0x7ff) << 1); | |
d9ba4830 PB |
7470 | tmp = load_reg(s, 14); |
7471 | tcg_gen_addi_i32(tmp, tmp, offset); | |
7472 | tcg_gen_andi_i32(tmp, tmp, 0xfffffffc); | |
9ee6e8bb | 7473 | |
7d1b0095 | 7474 | tmp2 = tcg_temp_new_i32(); |
b0109805 | 7475 | tcg_gen_movi_i32(tmp2, s->pc | 1); |
d9ba4830 PB |
7476 | store_reg(s, 14, tmp2); |
7477 | gen_bx(s, tmp); | |
9ee6e8bb PB |
7478 | return 0; |
7479 | } | |
7480 | if (insn & (1 << 11)) { | |
7481 | /* Second half of bl. */ | |
7482 | offset = ((insn & 0x7ff) << 1) | 1; | |
d9ba4830 | 7483 | tmp = load_reg(s, 14); |
6a0d8a1d | 7484 | tcg_gen_addi_i32(tmp, tmp, offset); |
9ee6e8bb | 7485 | |
7d1b0095 | 7486 | tmp2 = tcg_temp_new_i32(); |
b0109805 | 7487 | tcg_gen_movi_i32(tmp2, s->pc | 1); |
d9ba4830 PB |
7488 | store_reg(s, 14, tmp2); |
7489 | gen_bx(s, tmp); | |
9ee6e8bb PB |
7490 | return 0; |
7491 | } | |
7492 | if ((s->pc & ~TARGET_PAGE_MASK) == 0) { | |
7493 | /* Instruction spans a page boundary. Implement it as two | |
7494 | 16-bit instructions in case the second half causes an | |
7495 | prefetch abort. */ | |
7496 | offset = ((int32_t)insn << 21) >> 9; | |
396e467c | 7497 | tcg_gen_movi_i32(cpu_R[14], s->pc + 2 + offset); |
9ee6e8bb PB |
7498 | return 0; |
7499 | } | |
7500 | /* Fall through to 32-bit decode. */ | |
7501 | } | |
7502 | ||
7503 | insn = lduw_code(s->pc); | |
7504 | s->pc += 2; | |
7505 | insn |= (uint32_t)insn_hw1 << 16; | |
7506 | ||
7507 | if ((insn & 0xf800e800) != 0xf000e800) { | |
7508 | ARCH(6T2); | |
7509 | } | |
7510 | ||
7511 | rn = (insn >> 16) & 0xf; | |
7512 | rs = (insn >> 12) & 0xf; | |
7513 | rd = (insn >> 8) & 0xf; | |
7514 | rm = insn & 0xf; | |
7515 | switch ((insn >> 25) & 0xf) { | |
7516 | case 0: case 1: case 2: case 3: | |
7517 | /* 16-bit instructions. Should never happen. */ | |
7518 | abort(); | |
7519 | case 4: | |
7520 | if (insn & (1 << 22)) { | |
7521 | /* Other load/store, table branch. */ | |
7522 | if (insn & 0x01200000) { | |
7523 | /* Load/store doubleword. */ | |
7524 | if (rn == 15) { | |
7d1b0095 | 7525 | addr = tcg_temp_new_i32(); |
b0109805 | 7526 | tcg_gen_movi_i32(addr, s->pc & ~3); |
9ee6e8bb | 7527 | } else { |
b0109805 | 7528 | addr = load_reg(s, rn); |
9ee6e8bb PB |
7529 | } |
7530 | offset = (insn & 0xff) * 4; | |
7531 | if ((insn & (1 << 23)) == 0) | |
7532 | offset = -offset; | |
7533 | if (insn & (1 << 24)) { | |
b0109805 | 7534 | tcg_gen_addi_i32(addr, addr, offset); |
9ee6e8bb PB |
7535 | offset = 0; |
7536 | } | |
7537 | if (insn & (1 << 20)) { | |
7538 | /* ldrd */ | |
b0109805 PB |
7539 | tmp = gen_ld32(addr, IS_USER(s)); |
7540 | store_reg(s, rs, tmp); | |
7541 | tcg_gen_addi_i32(addr, addr, 4); | |
7542 | tmp = gen_ld32(addr, IS_USER(s)); | |
7543 | store_reg(s, rd, tmp); | |
9ee6e8bb PB |
7544 | } else { |
7545 | /* strd */ | |
b0109805 PB |
7546 | tmp = load_reg(s, rs); |
7547 | gen_st32(tmp, addr, IS_USER(s)); | |
7548 | tcg_gen_addi_i32(addr, addr, 4); | |
7549 | tmp = load_reg(s, rd); | |
7550 | gen_st32(tmp, addr, IS_USER(s)); | |
9ee6e8bb PB |
7551 | } |
7552 | if (insn & (1 << 21)) { | |
7553 | /* Base writeback. */ | |
7554 | if (rn == 15) | |
7555 | goto illegal_op; | |
b0109805 PB |
7556 | tcg_gen_addi_i32(addr, addr, offset - 4); |
7557 | store_reg(s, rn, addr); | |
7558 | } else { | |
7d1b0095 | 7559 | tcg_temp_free_i32(addr); |
9ee6e8bb PB |
7560 | } |
7561 | } else if ((insn & (1 << 23)) == 0) { | |
7562 | /* Load/store exclusive word. */ | |
3174f8e9 | 7563 | addr = tcg_temp_local_new(); |
98a46317 | 7564 | load_reg_var(s, addr, rn); |
426f5abc | 7565 | tcg_gen_addi_i32(addr, addr, (insn & 0xff) << 2); |
2c0262af | 7566 | if (insn & (1 << 20)) { |
426f5abc | 7567 | gen_load_exclusive(s, rs, 15, addr, 2); |
9ee6e8bb | 7568 | } else { |
426f5abc | 7569 | gen_store_exclusive(s, rd, rs, 15, addr, 2); |
9ee6e8bb | 7570 | } |
3174f8e9 | 7571 | tcg_temp_free(addr); |
9ee6e8bb PB |
7572 | } else if ((insn & (1 << 6)) == 0) { |
7573 | /* Table Branch. */ | |
7574 | if (rn == 15) { | |
7d1b0095 | 7575 | addr = tcg_temp_new_i32(); |
b0109805 | 7576 | tcg_gen_movi_i32(addr, s->pc); |
9ee6e8bb | 7577 | } else { |
b0109805 | 7578 | addr = load_reg(s, rn); |
9ee6e8bb | 7579 | } |
b26eefb6 | 7580 | tmp = load_reg(s, rm); |
b0109805 | 7581 | tcg_gen_add_i32(addr, addr, tmp); |
9ee6e8bb PB |
7582 | if (insn & (1 << 4)) { |
7583 | /* tbh */ | |
b0109805 | 7584 | tcg_gen_add_i32(addr, addr, tmp); |
7d1b0095 | 7585 | tcg_temp_free_i32(tmp); |
b0109805 | 7586 | tmp = gen_ld16u(addr, IS_USER(s)); |
9ee6e8bb | 7587 | } else { /* tbb */ |
7d1b0095 | 7588 | tcg_temp_free_i32(tmp); |
b0109805 | 7589 | tmp = gen_ld8u(addr, IS_USER(s)); |
9ee6e8bb | 7590 | } |
7d1b0095 | 7591 | tcg_temp_free_i32(addr); |
b0109805 PB |
7592 | tcg_gen_shli_i32(tmp, tmp, 1); |
7593 | tcg_gen_addi_i32(tmp, tmp, s->pc); | |
7594 | store_reg(s, 15, tmp); | |
9ee6e8bb PB |
7595 | } else { |
7596 | /* Load/store exclusive byte/halfword/doubleword. */ | |
426f5abc | 7597 | ARCH(7); |
9ee6e8bb | 7598 | op = (insn >> 4) & 0x3; |
426f5abc PB |
7599 | if (op == 2) { |
7600 | goto illegal_op; | |
7601 | } | |
3174f8e9 | 7602 | addr = tcg_temp_local_new(); |
98a46317 | 7603 | load_reg_var(s, addr, rn); |
9ee6e8bb | 7604 | if (insn & (1 << 20)) { |
426f5abc | 7605 | gen_load_exclusive(s, rs, rd, addr, op); |
9ee6e8bb | 7606 | } else { |
426f5abc | 7607 | gen_store_exclusive(s, rm, rs, rd, addr, op); |
9ee6e8bb | 7608 | } |
3174f8e9 | 7609 | tcg_temp_free(addr); |
9ee6e8bb PB |
7610 | } |
7611 | } else { | |
7612 | /* Load/store multiple, RFE, SRS. */ | |
7613 | if (((insn >> 23) & 1) == ((insn >> 24) & 1)) { | |
7614 | /* Not available in user mode. */ | |
b0109805 | 7615 | if (IS_USER(s)) |
9ee6e8bb PB |
7616 | goto illegal_op; |
7617 | if (insn & (1 << 20)) { | |
7618 | /* rfe */ | |
b0109805 PB |
7619 | addr = load_reg(s, rn); |
7620 | if ((insn & (1 << 24)) == 0) | |
7621 | tcg_gen_addi_i32(addr, addr, -8); | |
7622 | /* Load PC into tmp and CPSR into tmp2. */ | |
7623 | tmp = gen_ld32(addr, 0); | |
7624 | tcg_gen_addi_i32(addr, addr, 4); | |
7625 | tmp2 = gen_ld32(addr, 0); | |
9ee6e8bb PB |
7626 | if (insn & (1 << 21)) { |
7627 | /* Base writeback. */ | |
b0109805 PB |
7628 | if (insn & (1 << 24)) { |
7629 | tcg_gen_addi_i32(addr, addr, 4); | |
7630 | } else { | |
7631 | tcg_gen_addi_i32(addr, addr, -4); | |
7632 | } | |
7633 | store_reg(s, rn, addr); | |
7634 | } else { | |
7d1b0095 | 7635 | tcg_temp_free_i32(addr); |
9ee6e8bb | 7636 | } |
b0109805 | 7637 | gen_rfe(s, tmp, tmp2); |
9ee6e8bb PB |
7638 | } else { |
7639 | /* srs */ | |
7640 | op = (insn & 0x1f); | |
7d1b0095 | 7641 | addr = tcg_temp_new_i32(); |
39ea3d4e PM |
7642 | tmp = tcg_const_i32(op); |
7643 | gen_helper_get_r13_banked(addr, cpu_env, tmp); | |
7644 | tcg_temp_free_i32(tmp); | |
9ee6e8bb | 7645 | if ((insn & (1 << 24)) == 0) { |
b0109805 | 7646 | tcg_gen_addi_i32(addr, addr, -8); |
9ee6e8bb | 7647 | } |
b0109805 PB |
7648 | tmp = load_reg(s, 14); |
7649 | gen_st32(tmp, addr, 0); | |
7650 | tcg_gen_addi_i32(addr, addr, 4); | |
7d1b0095 | 7651 | tmp = tcg_temp_new_i32(); |
b0109805 PB |
7652 | gen_helper_cpsr_read(tmp); |
7653 | gen_st32(tmp, addr, 0); | |
9ee6e8bb PB |
7654 | if (insn & (1 << 21)) { |
7655 | if ((insn & (1 << 24)) == 0) { | |
b0109805 | 7656 | tcg_gen_addi_i32(addr, addr, -4); |
9ee6e8bb | 7657 | } else { |
b0109805 | 7658 | tcg_gen_addi_i32(addr, addr, 4); |
9ee6e8bb | 7659 | } |
39ea3d4e PM |
7660 | tmp = tcg_const_i32(op); |
7661 | gen_helper_set_r13_banked(cpu_env, tmp, addr); | |
7662 | tcg_temp_free_i32(tmp); | |
b0109805 | 7663 | } else { |
7d1b0095 | 7664 | tcg_temp_free_i32(addr); |
9ee6e8bb PB |
7665 | } |
7666 | } | |
7667 | } else { | |
7668 | int i; | |
7669 | /* Load/store multiple. */ | |
b0109805 | 7670 | addr = load_reg(s, rn); |
9ee6e8bb PB |
7671 | offset = 0; |
7672 | for (i = 0; i < 16; i++) { | |
7673 | if (insn & (1 << i)) | |
7674 | offset += 4; | |
7675 | } | |
7676 | if (insn & (1 << 24)) { | |
b0109805 | 7677 | tcg_gen_addi_i32(addr, addr, -offset); |
9ee6e8bb PB |
7678 | } |
7679 | ||
7680 | for (i = 0; i < 16; i++) { | |
7681 | if ((insn & (1 << i)) == 0) | |
7682 | continue; | |
7683 | if (insn & (1 << 20)) { | |
7684 | /* Load. */ | |
b0109805 | 7685 | tmp = gen_ld32(addr, IS_USER(s)); |
9ee6e8bb | 7686 | if (i == 15) { |
b0109805 | 7687 | gen_bx(s, tmp); |
9ee6e8bb | 7688 | } else { |
b0109805 | 7689 | store_reg(s, i, tmp); |
9ee6e8bb PB |
7690 | } |
7691 | } else { | |
7692 | /* Store. */ | |
b0109805 PB |
7693 | tmp = load_reg(s, i); |
7694 | gen_st32(tmp, addr, IS_USER(s)); | |
9ee6e8bb | 7695 | } |
b0109805 | 7696 | tcg_gen_addi_i32(addr, addr, 4); |
9ee6e8bb PB |
7697 | } |
7698 | if (insn & (1 << 21)) { | |
7699 | /* Base register writeback. */ | |
7700 | if (insn & (1 << 24)) { | |
b0109805 | 7701 | tcg_gen_addi_i32(addr, addr, -offset); |
9ee6e8bb PB |
7702 | } |
7703 | /* Fault if writeback register is in register list. */ | |
7704 | if (insn & (1 << rn)) | |
7705 | goto illegal_op; | |
b0109805 PB |
7706 | store_reg(s, rn, addr); |
7707 | } else { | |
7d1b0095 | 7708 | tcg_temp_free_i32(addr); |
9ee6e8bb PB |
7709 | } |
7710 | } | |
7711 | } | |
7712 | break; | |
2af9ab77 JB |
7713 | case 5: |
7714 | ||
9ee6e8bb | 7715 | op = (insn >> 21) & 0xf; |
2af9ab77 JB |
7716 | if (op == 6) { |
7717 | /* Halfword pack. */ | |
7718 | tmp = load_reg(s, rn); | |
7719 | tmp2 = load_reg(s, rm); | |
7720 | shift = ((insn >> 10) & 0x1c) | ((insn >> 6) & 0x3); | |
7721 | if (insn & (1 << 5)) { | |
7722 | /* pkhtb */ | |
7723 | if (shift == 0) | |
7724 | shift = 31; | |
7725 | tcg_gen_sari_i32(tmp2, tmp2, shift); | |
7726 | tcg_gen_andi_i32(tmp, tmp, 0xffff0000); | |
7727 | tcg_gen_ext16u_i32(tmp2, tmp2); | |
7728 | } else { | |
7729 | /* pkhbt */ | |
7730 | if (shift) | |
7731 | tcg_gen_shli_i32(tmp2, tmp2, shift); | |
7732 | tcg_gen_ext16u_i32(tmp, tmp); | |
7733 | tcg_gen_andi_i32(tmp2, tmp2, 0xffff0000); | |
7734 | } | |
7735 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
7d1b0095 | 7736 | tcg_temp_free_i32(tmp2); |
3174f8e9 FN |
7737 | store_reg(s, rd, tmp); |
7738 | } else { | |
2af9ab77 JB |
7739 | /* Data processing register constant shift. */ |
7740 | if (rn == 15) { | |
7d1b0095 | 7741 | tmp = tcg_temp_new_i32(); |
2af9ab77 JB |
7742 | tcg_gen_movi_i32(tmp, 0); |
7743 | } else { | |
7744 | tmp = load_reg(s, rn); | |
7745 | } | |
7746 | tmp2 = load_reg(s, rm); | |
7747 | ||
7748 | shiftop = (insn >> 4) & 3; | |
7749 | shift = ((insn >> 6) & 3) | ((insn >> 10) & 0x1c); | |
7750 | conds = (insn & (1 << 20)) != 0; | |
7751 | logic_cc = (conds && thumb2_logic_op(op)); | |
7752 | gen_arm_shift_im(tmp2, shiftop, shift, logic_cc); | |
7753 | if (gen_thumb2_data_op(s, op, conds, 0, tmp, tmp2)) | |
7754 | goto illegal_op; | |
7d1b0095 | 7755 | tcg_temp_free_i32(tmp2); |
2af9ab77 JB |
7756 | if (rd != 15) { |
7757 | store_reg(s, rd, tmp); | |
7758 | } else { | |
7d1b0095 | 7759 | tcg_temp_free_i32(tmp); |
2af9ab77 | 7760 | } |
3174f8e9 | 7761 | } |
9ee6e8bb PB |
7762 | break; |
7763 | case 13: /* Misc data processing. */ | |
7764 | op = ((insn >> 22) & 6) | ((insn >> 7) & 1); | |
7765 | if (op < 4 && (insn & 0xf000) != 0xf000) | |
7766 | goto illegal_op; | |
7767 | switch (op) { | |
7768 | case 0: /* Register controlled shift. */ | |
8984bd2e PB |
7769 | tmp = load_reg(s, rn); |
7770 | tmp2 = load_reg(s, rm); | |
9ee6e8bb PB |
7771 | if ((insn & 0x70) != 0) |
7772 | goto illegal_op; | |
7773 | op = (insn >> 21) & 3; | |
8984bd2e PB |
7774 | logic_cc = (insn & (1 << 20)) != 0; |
7775 | gen_arm_shift_reg(tmp, op, tmp2, logic_cc); | |
7776 | if (logic_cc) | |
7777 | gen_logic_CC(tmp); | |
21aeb343 | 7778 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
7779 | break; |
7780 | case 1: /* Sign/zero extend. */ | |
5e3f878a | 7781 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
7782 | shift = (insn >> 4) & 3; |
7783 | /* ??? In many cases it's not neccessary to do a | |
7784 | rotate, a shift is sufficient. */ | |
7785 | if (shift != 0) | |
f669df27 | 7786 | tcg_gen_rotri_i32(tmp, tmp, shift * 8); |
9ee6e8bb PB |
7787 | op = (insn >> 20) & 7; |
7788 | switch (op) { | |
5e3f878a PB |
7789 | case 0: gen_sxth(tmp); break; |
7790 | case 1: gen_uxth(tmp); break; | |
7791 | case 2: gen_sxtb16(tmp); break; | |
7792 | case 3: gen_uxtb16(tmp); break; | |
7793 | case 4: gen_sxtb(tmp); break; | |
7794 | case 5: gen_uxtb(tmp); break; | |
9ee6e8bb PB |
7795 | default: goto illegal_op; |
7796 | } | |
7797 | if (rn != 15) { | |
5e3f878a | 7798 | tmp2 = load_reg(s, rn); |
9ee6e8bb | 7799 | if ((op >> 1) == 1) { |
5e3f878a | 7800 | gen_add16(tmp, tmp2); |
9ee6e8bb | 7801 | } else { |
5e3f878a | 7802 | tcg_gen_add_i32(tmp, tmp, tmp2); |
7d1b0095 | 7803 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
7804 | } |
7805 | } | |
5e3f878a | 7806 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7807 | break; |
7808 | case 2: /* SIMD add/subtract. */ | |
7809 | op = (insn >> 20) & 7; | |
7810 | shift = (insn >> 4) & 7; | |
7811 | if ((op & 3) == 3 || (shift & 3) == 3) | |
7812 | goto illegal_op; | |
6ddbc6e4 PB |
7813 | tmp = load_reg(s, rn); |
7814 | tmp2 = load_reg(s, rm); | |
7815 | gen_thumb2_parallel_addsub(op, shift, tmp, tmp2); | |
7d1b0095 | 7816 | tcg_temp_free_i32(tmp2); |
6ddbc6e4 | 7817 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7818 | break; |
7819 | case 3: /* Other data processing. */ | |
7820 | op = ((insn >> 17) & 0x38) | ((insn >> 4) & 7); | |
7821 | if (op < 4) { | |
7822 | /* Saturating add/subtract. */ | |
d9ba4830 PB |
7823 | tmp = load_reg(s, rn); |
7824 | tmp2 = load_reg(s, rm); | |
9ee6e8bb | 7825 | if (op & 1) |
4809c612 JB |
7826 | gen_helper_double_saturate(tmp, tmp); |
7827 | if (op & 2) | |
d9ba4830 | 7828 | gen_helper_sub_saturate(tmp, tmp2, tmp); |
9ee6e8bb | 7829 | else |
d9ba4830 | 7830 | gen_helper_add_saturate(tmp, tmp, tmp2); |
7d1b0095 | 7831 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 7832 | } else { |
d9ba4830 | 7833 | tmp = load_reg(s, rn); |
9ee6e8bb PB |
7834 | switch (op) { |
7835 | case 0x0a: /* rbit */ | |
d9ba4830 | 7836 | gen_helper_rbit(tmp, tmp); |
9ee6e8bb PB |
7837 | break; |
7838 | case 0x08: /* rev */ | |
66896cb8 | 7839 | tcg_gen_bswap32_i32(tmp, tmp); |
9ee6e8bb PB |
7840 | break; |
7841 | case 0x09: /* rev16 */ | |
d9ba4830 | 7842 | gen_rev16(tmp); |
9ee6e8bb PB |
7843 | break; |
7844 | case 0x0b: /* revsh */ | |
d9ba4830 | 7845 | gen_revsh(tmp); |
9ee6e8bb PB |
7846 | break; |
7847 | case 0x10: /* sel */ | |
d9ba4830 | 7848 | tmp2 = load_reg(s, rm); |
7d1b0095 | 7849 | tmp3 = tcg_temp_new_i32(); |
6ddbc6e4 | 7850 | tcg_gen_ld_i32(tmp3, cpu_env, offsetof(CPUState, GE)); |
d9ba4830 | 7851 | gen_helper_sel_flags(tmp, tmp3, tmp, tmp2); |
7d1b0095 PM |
7852 | tcg_temp_free_i32(tmp3); |
7853 | tcg_temp_free_i32(tmp2); | |
9ee6e8bb PB |
7854 | break; |
7855 | case 0x18: /* clz */ | |
d9ba4830 | 7856 | gen_helper_clz(tmp, tmp); |
9ee6e8bb PB |
7857 | break; |
7858 | default: | |
7859 | goto illegal_op; | |
7860 | } | |
7861 | } | |
d9ba4830 | 7862 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7863 | break; |
7864 | case 4: case 5: /* 32-bit multiply. Sum of absolute differences. */ | |
7865 | op = (insn >> 4) & 0xf; | |
d9ba4830 PB |
7866 | tmp = load_reg(s, rn); |
7867 | tmp2 = load_reg(s, rm); | |
9ee6e8bb PB |
7868 | switch ((insn >> 20) & 7) { |
7869 | case 0: /* 32 x 32 -> 32 */ | |
d9ba4830 | 7870 | tcg_gen_mul_i32(tmp, tmp, tmp2); |
7d1b0095 | 7871 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 7872 | if (rs != 15) { |
d9ba4830 | 7873 | tmp2 = load_reg(s, rs); |
9ee6e8bb | 7874 | if (op) |
d9ba4830 | 7875 | tcg_gen_sub_i32(tmp, tmp2, tmp); |
9ee6e8bb | 7876 | else |
d9ba4830 | 7877 | tcg_gen_add_i32(tmp, tmp, tmp2); |
7d1b0095 | 7878 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 7879 | } |
9ee6e8bb PB |
7880 | break; |
7881 | case 1: /* 16 x 16 -> 32 */ | |
d9ba4830 | 7882 | gen_mulxy(tmp, tmp2, op & 2, op & 1); |
7d1b0095 | 7883 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 7884 | if (rs != 15) { |
d9ba4830 PB |
7885 | tmp2 = load_reg(s, rs); |
7886 | gen_helper_add_setq(tmp, tmp, tmp2); | |
7d1b0095 | 7887 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 7888 | } |
9ee6e8bb PB |
7889 | break; |
7890 | case 2: /* Dual multiply add. */ | |
7891 | case 4: /* Dual multiply subtract. */ | |
7892 | if (op) | |
d9ba4830 PB |
7893 | gen_swap_half(tmp2); |
7894 | gen_smul_dual(tmp, tmp2); | |
9ee6e8bb | 7895 | if (insn & (1 << 22)) { |
e1d177b9 | 7896 | /* This subtraction cannot overflow. */ |
d9ba4830 | 7897 | tcg_gen_sub_i32(tmp, tmp, tmp2); |
9ee6e8bb | 7898 | } else { |
e1d177b9 PM |
7899 | /* This addition cannot overflow 32 bits; |
7900 | * however it may overflow considered as a signed | |
7901 | * operation, in which case we must set the Q flag. | |
7902 | */ | |
7903 | gen_helper_add_setq(tmp, tmp, tmp2); | |
9ee6e8bb | 7904 | } |
7d1b0095 | 7905 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
7906 | if (rs != 15) |
7907 | { | |
d9ba4830 PB |
7908 | tmp2 = load_reg(s, rs); |
7909 | gen_helper_add_setq(tmp, tmp, tmp2); | |
7d1b0095 | 7910 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 7911 | } |
9ee6e8bb PB |
7912 | break; |
7913 | case 3: /* 32 * 16 -> 32msb */ | |
7914 | if (op) | |
d9ba4830 | 7915 | tcg_gen_sari_i32(tmp2, tmp2, 16); |
9ee6e8bb | 7916 | else |
d9ba4830 | 7917 | gen_sxth(tmp2); |
a7812ae4 PB |
7918 | tmp64 = gen_muls_i64_i32(tmp, tmp2); |
7919 | tcg_gen_shri_i64(tmp64, tmp64, 16); | |
7d1b0095 | 7920 | tmp = tcg_temp_new_i32(); |
a7812ae4 | 7921 | tcg_gen_trunc_i64_i32(tmp, tmp64); |
b75263d6 | 7922 | tcg_temp_free_i64(tmp64); |
9ee6e8bb PB |
7923 | if (rs != 15) |
7924 | { | |
d9ba4830 PB |
7925 | tmp2 = load_reg(s, rs); |
7926 | gen_helper_add_setq(tmp, tmp, tmp2); | |
7d1b0095 | 7927 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 7928 | } |
9ee6e8bb | 7929 | break; |
838fa72d AJ |
7930 | case 5: case 6: /* 32 * 32 -> 32msb (SMMUL, SMMLA, SMMLS) */ |
7931 | tmp64 = gen_muls_i64_i32(tmp, tmp2); | |
9ee6e8bb | 7932 | if (rs != 15) { |
838fa72d AJ |
7933 | tmp = load_reg(s, rs); |
7934 | if (insn & (1 << 20)) { | |
7935 | tmp64 = gen_addq_msw(tmp64, tmp); | |
99c475ab | 7936 | } else { |
838fa72d | 7937 | tmp64 = gen_subq_msw(tmp64, tmp); |
99c475ab | 7938 | } |
2c0262af | 7939 | } |
838fa72d AJ |
7940 | if (insn & (1 << 4)) { |
7941 | tcg_gen_addi_i64(tmp64, tmp64, 0x80000000u); | |
7942 | } | |
7943 | tcg_gen_shri_i64(tmp64, tmp64, 32); | |
7d1b0095 | 7944 | tmp = tcg_temp_new_i32(); |
838fa72d AJ |
7945 | tcg_gen_trunc_i64_i32(tmp, tmp64); |
7946 | tcg_temp_free_i64(tmp64); | |
9ee6e8bb PB |
7947 | break; |
7948 | case 7: /* Unsigned sum of absolute differences. */ | |
d9ba4830 | 7949 | gen_helper_usad8(tmp, tmp, tmp2); |
7d1b0095 | 7950 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 7951 | if (rs != 15) { |
d9ba4830 PB |
7952 | tmp2 = load_reg(s, rs); |
7953 | tcg_gen_add_i32(tmp, tmp, tmp2); | |
7d1b0095 | 7954 | tcg_temp_free_i32(tmp2); |
5fd46862 | 7955 | } |
9ee6e8bb | 7956 | break; |
2c0262af | 7957 | } |
d9ba4830 | 7958 | store_reg(s, rd, tmp); |
2c0262af | 7959 | break; |
9ee6e8bb PB |
7960 | case 6: case 7: /* 64-bit multiply, Divide. */ |
7961 | op = ((insn >> 4) & 0xf) | ((insn >> 16) & 0x70); | |
5e3f878a PB |
7962 | tmp = load_reg(s, rn); |
7963 | tmp2 = load_reg(s, rm); | |
9ee6e8bb PB |
7964 | if ((op & 0x50) == 0x10) { |
7965 | /* sdiv, udiv */ | |
7966 | if (!arm_feature(env, ARM_FEATURE_DIV)) | |
7967 | goto illegal_op; | |
7968 | if (op & 0x20) | |
5e3f878a | 7969 | gen_helper_udiv(tmp, tmp, tmp2); |
2c0262af | 7970 | else |
5e3f878a | 7971 | gen_helper_sdiv(tmp, tmp, tmp2); |
7d1b0095 | 7972 | tcg_temp_free_i32(tmp2); |
5e3f878a | 7973 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7974 | } else if ((op & 0xe) == 0xc) { |
7975 | /* Dual multiply accumulate long. */ | |
7976 | if (op & 1) | |
5e3f878a PB |
7977 | gen_swap_half(tmp2); |
7978 | gen_smul_dual(tmp, tmp2); | |
9ee6e8bb | 7979 | if (op & 0x10) { |
5e3f878a | 7980 | tcg_gen_sub_i32(tmp, tmp, tmp2); |
b5ff1b31 | 7981 | } else { |
5e3f878a | 7982 | tcg_gen_add_i32(tmp, tmp, tmp2); |
b5ff1b31 | 7983 | } |
7d1b0095 | 7984 | tcg_temp_free_i32(tmp2); |
a7812ae4 PB |
7985 | /* BUGFIX */ |
7986 | tmp64 = tcg_temp_new_i64(); | |
7987 | tcg_gen_ext_i32_i64(tmp64, tmp); | |
7d1b0095 | 7988 | tcg_temp_free_i32(tmp); |
a7812ae4 PB |
7989 | gen_addq(s, tmp64, rs, rd); |
7990 | gen_storeq_reg(s, rs, rd, tmp64); | |
b75263d6 | 7991 | tcg_temp_free_i64(tmp64); |
2c0262af | 7992 | } else { |
9ee6e8bb PB |
7993 | if (op & 0x20) { |
7994 | /* Unsigned 64-bit multiply */ | |
a7812ae4 | 7995 | tmp64 = gen_mulu_i64_i32(tmp, tmp2); |
b5ff1b31 | 7996 | } else { |
9ee6e8bb PB |
7997 | if (op & 8) { |
7998 | /* smlalxy */ | |
5e3f878a | 7999 | gen_mulxy(tmp, tmp2, op & 2, op & 1); |
7d1b0095 | 8000 | tcg_temp_free_i32(tmp2); |
a7812ae4 PB |
8001 | tmp64 = tcg_temp_new_i64(); |
8002 | tcg_gen_ext_i32_i64(tmp64, tmp); | |
7d1b0095 | 8003 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
8004 | } else { |
8005 | /* Signed 64-bit multiply */ | |
a7812ae4 | 8006 | tmp64 = gen_muls_i64_i32(tmp, tmp2); |
9ee6e8bb | 8007 | } |
b5ff1b31 | 8008 | } |
9ee6e8bb PB |
8009 | if (op & 4) { |
8010 | /* umaal */ | |
a7812ae4 PB |
8011 | gen_addq_lo(s, tmp64, rs); |
8012 | gen_addq_lo(s, tmp64, rd); | |
9ee6e8bb PB |
8013 | } else if (op & 0x40) { |
8014 | /* 64-bit accumulate. */ | |
a7812ae4 | 8015 | gen_addq(s, tmp64, rs, rd); |
9ee6e8bb | 8016 | } |
a7812ae4 | 8017 | gen_storeq_reg(s, rs, rd, tmp64); |
b75263d6 | 8018 | tcg_temp_free_i64(tmp64); |
5fd46862 | 8019 | } |
2c0262af | 8020 | break; |
9ee6e8bb PB |
8021 | } |
8022 | break; | |
8023 | case 6: case 7: case 14: case 15: | |
8024 | /* Coprocessor. */ | |
8025 | if (((insn >> 24) & 3) == 3) { | |
8026 | /* Translate into the equivalent ARM encoding. */ | |
f06053e3 | 8027 | insn = (insn & 0xe2ffffff) | ((insn & (1 << 28)) >> 4) | (1 << 28); |
9ee6e8bb PB |
8028 | if (disas_neon_data_insn(env, s, insn)) |
8029 | goto illegal_op; | |
8030 | } else { | |
8031 | if (insn & (1 << 28)) | |
8032 | goto illegal_op; | |
8033 | if (disas_coproc_insn (env, s, insn)) | |
8034 | goto illegal_op; | |
8035 | } | |
8036 | break; | |
8037 | case 8: case 9: case 10: case 11: | |
8038 | if (insn & (1 << 15)) { | |
8039 | /* Branches, misc control. */ | |
8040 | if (insn & 0x5000) { | |
8041 | /* Unconditional branch. */ | |
8042 | /* signextend(hw1[10:0]) -> offset[:12]. */ | |
8043 | offset = ((int32_t)insn << 5) >> 9 & ~(int32_t)0xfff; | |
8044 | /* hw1[10:0] -> offset[11:1]. */ | |
8045 | offset |= (insn & 0x7ff) << 1; | |
8046 | /* (~hw2[13, 11] ^ offset[24]) -> offset[23,22] | |
8047 | offset[24:22] already have the same value because of the | |
8048 | sign extension above. */ | |
8049 | offset ^= ((~insn) & (1 << 13)) << 10; | |
8050 | offset ^= ((~insn) & (1 << 11)) << 11; | |
8051 | ||
9ee6e8bb PB |
8052 | if (insn & (1 << 14)) { |
8053 | /* Branch and link. */ | |
3174f8e9 | 8054 | tcg_gen_movi_i32(cpu_R[14], s->pc | 1); |
b5ff1b31 | 8055 | } |
3b46e624 | 8056 | |
b0109805 | 8057 | offset += s->pc; |
9ee6e8bb PB |
8058 | if (insn & (1 << 12)) { |
8059 | /* b/bl */ | |
b0109805 | 8060 | gen_jmp(s, offset); |
9ee6e8bb PB |
8061 | } else { |
8062 | /* blx */ | |
b0109805 PB |
8063 | offset &= ~(uint32_t)2; |
8064 | gen_bx_im(s, offset); | |
2c0262af | 8065 | } |
9ee6e8bb PB |
8066 | } else if (((insn >> 23) & 7) == 7) { |
8067 | /* Misc control */ | |
8068 | if (insn & (1 << 13)) | |
8069 | goto illegal_op; | |
8070 | ||
8071 | if (insn & (1 << 26)) { | |
8072 | /* Secure monitor call (v6Z) */ | |
8073 | goto illegal_op; /* not implemented. */ | |
2c0262af | 8074 | } else { |
9ee6e8bb PB |
8075 | op = (insn >> 20) & 7; |
8076 | switch (op) { | |
8077 | case 0: /* msr cpsr. */ | |
8078 | if (IS_M(env)) { | |
8984bd2e PB |
8079 | tmp = load_reg(s, rn); |
8080 | addr = tcg_const_i32(insn & 0xff); | |
8081 | gen_helper_v7m_msr(cpu_env, addr, tmp); | |
b75263d6 | 8082 | tcg_temp_free_i32(addr); |
7d1b0095 | 8083 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
8084 | gen_lookup_tb(s); |
8085 | break; | |
8086 | } | |
8087 | /* fall through */ | |
8088 | case 1: /* msr spsr. */ | |
8089 | if (IS_M(env)) | |
8090 | goto illegal_op; | |
2fbac54b FN |
8091 | tmp = load_reg(s, rn); |
8092 | if (gen_set_psr(s, | |
9ee6e8bb | 8093 | msr_mask(env, s, (insn >> 8) & 0xf, op == 1), |
2fbac54b | 8094 | op == 1, tmp)) |
9ee6e8bb PB |
8095 | goto illegal_op; |
8096 | break; | |
8097 | case 2: /* cps, nop-hint. */ | |
8098 | if (((insn >> 8) & 7) == 0) { | |
8099 | gen_nop_hint(s, insn & 0xff); | |
8100 | } | |
8101 | /* Implemented as NOP in user mode. */ | |
8102 | if (IS_USER(s)) | |
8103 | break; | |
8104 | offset = 0; | |
8105 | imm = 0; | |
8106 | if (insn & (1 << 10)) { | |
8107 | if (insn & (1 << 7)) | |
8108 | offset |= CPSR_A; | |
8109 | if (insn & (1 << 6)) | |
8110 | offset |= CPSR_I; | |
8111 | if (insn & (1 << 5)) | |
8112 | offset |= CPSR_F; | |
8113 | if (insn & (1 << 9)) | |
8114 | imm = CPSR_A | CPSR_I | CPSR_F; | |
8115 | } | |
8116 | if (insn & (1 << 8)) { | |
8117 | offset |= 0x1f; | |
8118 | imm |= (insn & 0x1f); | |
8119 | } | |
8120 | if (offset) { | |
2fbac54b | 8121 | gen_set_psr_im(s, offset, 0, imm); |
9ee6e8bb PB |
8122 | } |
8123 | break; | |
8124 | case 3: /* Special control operations. */ | |
426f5abc | 8125 | ARCH(7); |
9ee6e8bb PB |
8126 | op = (insn >> 4) & 0xf; |
8127 | switch (op) { | |
8128 | case 2: /* clrex */ | |
426f5abc | 8129 | gen_clrex(s); |
9ee6e8bb PB |
8130 | break; |
8131 | case 4: /* dsb */ | |
8132 | case 5: /* dmb */ | |
8133 | case 6: /* isb */ | |
8134 | /* These execute as NOPs. */ | |
9ee6e8bb PB |
8135 | break; |
8136 | default: | |
8137 | goto illegal_op; | |
8138 | } | |
8139 | break; | |
8140 | case 4: /* bxj */ | |
8141 | /* Trivial implementation equivalent to bx. */ | |
d9ba4830 PB |
8142 | tmp = load_reg(s, rn); |
8143 | gen_bx(s, tmp); | |
9ee6e8bb PB |
8144 | break; |
8145 | case 5: /* Exception return. */ | |
b8b45b68 RV |
8146 | if (IS_USER(s)) { |
8147 | goto illegal_op; | |
8148 | } | |
8149 | if (rn != 14 || rd != 15) { | |
8150 | goto illegal_op; | |
8151 | } | |
8152 | tmp = load_reg(s, rn); | |
8153 | tcg_gen_subi_i32(tmp, tmp, insn & 0xff); | |
8154 | gen_exception_return(s, tmp); | |
8155 | break; | |
9ee6e8bb | 8156 | case 6: /* mrs cpsr. */ |
7d1b0095 | 8157 | tmp = tcg_temp_new_i32(); |
9ee6e8bb | 8158 | if (IS_M(env)) { |
8984bd2e PB |
8159 | addr = tcg_const_i32(insn & 0xff); |
8160 | gen_helper_v7m_mrs(tmp, cpu_env, addr); | |
b75263d6 | 8161 | tcg_temp_free_i32(addr); |
9ee6e8bb | 8162 | } else { |
8984bd2e | 8163 | gen_helper_cpsr_read(tmp); |
9ee6e8bb | 8164 | } |
8984bd2e | 8165 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
8166 | break; |
8167 | case 7: /* mrs spsr. */ | |
8168 | /* Not accessible in user mode. */ | |
8169 | if (IS_USER(s) || IS_M(env)) | |
8170 | goto illegal_op; | |
d9ba4830 PB |
8171 | tmp = load_cpu_field(spsr); |
8172 | store_reg(s, rd, tmp); | |
9ee6e8bb | 8173 | break; |
2c0262af FB |
8174 | } |
8175 | } | |
9ee6e8bb PB |
8176 | } else { |
8177 | /* Conditional branch. */ | |
8178 | op = (insn >> 22) & 0xf; | |
8179 | /* Generate a conditional jump to next instruction. */ | |
8180 | s->condlabel = gen_new_label(); | |
d9ba4830 | 8181 | gen_test_cc(op ^ 1, s->condlabel); |
9ee6e8bb PB |
8182 | s->condjmp = 1; |
8183 | ||
8184 | /* offset[11:1] = insn[10:0] */ | |
8185 | offset = (insn & 0x7ff) << 1; | |
8186 | /* offset[17:12] = insn[21:16]. */ | |
8187 | offset |= (insn & 0x003f0000) >> 4; | |
8188 | /* offset[31:20] = insn[26]. */ | |
8189 | offset |= ((int32_t)((insn << 5) & 0x80000000)) >> 11; | |
8190 | /* offset[18] = insn[13]. */ | |
8191 | offset |= (insn & (1 << 13)) << 5; | |
8192 | /* offset[19] = insn[11]. */ | |
8193 | offset |= (insn & (1 << 11)) << 8; | |
8194 | ||
8195 | /* jump to the offset */ | |
b0109805 | 8196 | gen_jmp(s, s->pc + offset); |
9ee6e8bb PB |
8197 | } |
8198 | } else { | |
8199 | /* Data processing immediate. */ | |
8200 | if (insn & (1 << 25)) { | |
8201 | if (insn & (1 << 24)) { | |
8202 | if (insn & (1 << 20)) | |
8203 | goto illegal_op; | |
8204 | /* Bitfield/Saturate. */ | |
8205 | op = (insn >> 21) & 7; | |
8206 | imm = insn & 0x1f; | |
8207 | shift = ((insn >> 6) & 3) | ((insn >> 10) & 0x1c); | |
6ddbc6e4 | 8208 | if (rn == 15) { |
7d1b0095 | 8209 | tmp = tcg_temp_new_i32(); |
6ddbc6e4 PB |
8210 | tcg_gen_movi_i32(tmp, 0); |
8211 | } else { | |
8212 | tmp = load_reg(s, rn); | |
8213 | } | |
9ee6e8bb PB |
8214 | switch (op) { |
8215 | case 2: /* Signed bitfield extract. */ | |
8216 | imm++; | |
8217 | if (shift + imm > 32) | |
8218 | goto illegal_op; | |
8219 | if (imm < 32) | |
6ddbc6e4 | 8220 | gen_sbfx(tmp, shift, imm); |
9ee6e8bb PB |
8221 | break; |
8222 | case 6: /* Unsigned bitfield extract. */ | |
8223 | imm++; | |
8224 | if (shift + imm > 32) | |
8225 | goto illegal_op; | |
8226 | if (imm < 32) | |
6ddbc6e4 | 8227 | gen_ubfx(tmp, shift, (1u << imm) - 1); |
9ee6e8bb PB |
8228 | break; |
8229 | case 3: /* Bitfield insert/clear. */ | |
8230 | if (imm < shift) | |
8231 | goto illegal_op; | |
8232 | imm = imm + 1 - shift; | |
8233 | if (imm != 32) { | |
6ddbc6e4 | 8234 | tmp2 = load_reg(s, rd); |
8f8e3aa4 | 8235 | gen_bfi(tmp, tmp2, tmp, shift, (1u << imm) - 1); |
7d1b0095 | 8236 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
8237 | } |
8238 | break; | |
8239 | case 7: | |
8240 | goto illegal_op; | |
8241 | default: /* Saturate. */ | |
9ee6e8bb PB |
8242 | if (shift) { |
8243 | if (op & 1) | |
6ddbc6e4 | 8244 | tcg_gen_sari_i32(tmp, tmp, shift); |
9ee6e8bb | 8245 | else |
6ddbc6e4 | 8246 | tcg_gen_shli_i32(tmp, tmp, shift); |
9ee6e8bb | 8247 | } |
6ddbc6e4 | 8248 | tmp2 = tcg_const_i32(imm); |
9ee6e8bb PB |
8249 | if (op & 4) { |
8250 | /* Unsigned. */ | |
9ee6e8bb | 8251 | if ((op & 1) && shift == 0) |
6ddbc6e4 | 8252 | gen_helper_usat16(tmp, tmp, tmp2); |
9ee6e8bb | 8253 | else |
6ddbc6e4 | 8254 | gen_helper_usat(tmp, tmp, tmp2); |
2c0262af | 8255 | } else { |
9ee6e8bb | 8256 | /* Signed. */ |
9ee6e8bb | 8257 | if ((op & 1) && shift == 0) |
6ddbc6e4 | 8258 | gen_helper_ssat16(tmp, tmp, tmp2); |
9ee6e8bb | 8259 | else |
6ddbc6e4 | 8260 | gen_helper_ssat(tmp, tmp, tmp2); |
2c0262af | 8261 | } |
b75263d6 | 8262 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 8263 | break; |
2c0262af | 8264 | } |
6ddbc6e4 | 8265 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
8266 | } else { |
8267 | imm = ((insn & 0x04000000) >> 15) | |
8268 | | ((insn & 0x7000) >> 4) | (insn & 0xff); | |
8269 | if (insn & (1 << 22)) { | |
8270 | /* 16-bit immediate. */ | |
8271 | imm |= (insn >> 4) & 0xf000; | |
8272 | if (insn & (1 << 23)) { | |
8273 | /* movt */ | |
5e3f878a | 8274 | tmp = load_reg(s, rd); |
86831435 | 8275 | tcg_gen_ext16u_i32(tmp, tmp); |
5e3f878a | 8276 | tcg_gen_ori_i32(tmp, tmp, imm << 16); |
2c0262af | 8277 | } else { |
9ee6e8bb | 8278 | /* movw */ |
7d1b0095 | 8279 | tmp = tcg_temp_new_i32(); |
5e3f878a | 8280 | tcg_gen_movi_i32(tmp, imm); |
2c0262af FB |
8281 | } |
8282 | } else { | |
9ee6e8bb PB |
8283 | /* Add/sub 12-bit immediate. */ |
8284 | if (rn == 15) { | |
b0109805 | 8285 | offset = s->pc & ~(uint32_t)3; |
9ee6e8bb | 8286 | if (insn & (1 << 23)) |
b0109805 | 8287 | offset -= imm; |
9ee6e8bb | 8288 | else |
b0109805 | 8289 | offset += imm; |
7d1b0095 | 8290 | tmp = tcg_temp_new_i32(); |
5e3f878a | 8291 | tcg_gen_movi_i32(tmp, offset); |
2c0262af | 8292 | } else { |
5e3f878a | 8293 | tmp = load_reg(s, rn); |
9ee6e8bb | 8294 | if (insn & (1 << 23)) |
5e3f878a | 8295 | tcg_gen_subi_i32(tmp, tmp, imm); |
9ee6e8bb | 8296 | else |
5e3f878a | 8297 | tcg_gen_addi_i32(tmp, tmp, imm); |
2c0262af | 8298 | } |
9ee6e8bb | 8299 | } |
5e3f878a | 8300 | store_reg(s, rd, tmp); |
191abaa2 | 8301 | } |
9ee6e8bb PB |
8302 | } else { |
8303 | int shifter_out = 0; | |
8304 | /* modified 12-bit immediate. */ | |
8305 | shift = ((insn & 0x04000000) >> 23) | ((insn & 0x7000) >> 12); | |
8306 | imm = (insn & 0xff); | |
8307 | switch (shift) { | |
8308 | case 0: /* XY */ | |
8309 | /* Nothing to do. */ | |
8310 | break; | |
8311 | case 1: /* 00XY00XY */ | |
8312 | imm |= imm << 16; | |
8313 | break; | |
8314 | case 2: /* XY00XY00 */ | |
8315 | imm |= imm << 16; | |
8316 | imm <<= 8; | |
8317 | break; | |
8318 | case 3: /* XYXYXYXY */ | |
8319 | imm |= imm << 16; | |
8320 | imm |= imm << 8; | |
8321 | break; | |
8322 | default: /* Rotated constant. */ | |
8323 | shift = (shift << 1) | (imm >> 7); | |
8324 | imm |= 0x80; | |
8325 | imm = imm << (32 - shift); | |
8326 | shifter_out = 1; | |
8327 | break; | |
b5ff1b31 | 8328 | } |
7d1b0095 | 8329 | tmp2 = tcg_temp_new_i32(); |
3174f8e9 | 8330 | tcg_gen_movi_i32(tmp2, imm); |
9ee6e8bb | 8331 | rn = (insn >> 16) & 0xf; |
3174f8e9 | 8332 | if (rn == 15) { |
7d1b0095 | 8333 | tmp = tcg_temp_new_i32(); |
3174f8e9 FN |
8334 | tcg_gen_movi_i32(tmp, 0); |
8335 | } else { | |
8336 | tmp = load_reg(s, rn); | |
8337 | } | |
9ee6e8bb PB |
8338 | op = (insn >> 21) & 0xf; |
8339 | if (gen_thumb2_data_op(s, op, (insn & (1 << 20)) != 0, | |
3174f8e9 | 8340 | shifter_out, tmp, tmp2)) |
9ee6e8bb | 8341 | goto illegal_op; |
7d1b0095 | 8342 | tcg_temp_free_i32(tmp2); |
9ee6e8bb PB |
8343 | rd = (insn >> 8) & 0xf; |
8344 | if (rd != 15) { | |
3174f8e9 FN |
8345 | store_reg(s, rd, tmp); |
8346 | } else { | |
7d1b0095 | 8347 | tcg_temp_free_i32(tmp); |
2c0262af | 8348 | } |
2c0262af | 8349 | } |
9ee6e8bb PB |
8350 | } |
8351 | break; | |
8352 | case 12: /* Load/store single data item. */ | |
8353 | { | |
8354 | int postinc = 0; | |
8355 | int writeback = 0; | |
b0109805 | 8356 | int user; |
9ee6e8bb PB |
8357 | if ((insn & 0x01100000) == 0x01000000) { |
8358 | if (disas_neon_ls_insn(env, s, insn)) | |
c1713132 | 8359 | goto illegal_op; |
9ee6e8bb PB |
8360 | break; |
8361 | } | |
a2fdc890 PM |
8362 | op = ((insn >> 21) & 3) | ((insn >> 22) & 4); |
8363 | if (rs == 15) { | |
8364 | if (!(insn & (1 << 20))) { | |
8365 | goto illegal_op; | |
8366 | } | |
8367 | if (op != 2) { | |
8368 | /* Byte or halfword load space with dest == r15 : memory hints. | |
8369 | * Catch them early so we don't emit pointless addressing code. | |
8370 | * This space is a mix of: | |
8371 | * PLD/PLDW/PLI, which we implement as NOPs (note that unlike | |
8372 | * the ARM encodings, PLDW space doesn't UNDEF for non-v7MP | |
8373 | * cores) | |
8374 | * unallocated hints, which must be treated as NOPs | |
8375 | * UNPREDICTABLE space, which we NOP or UNDEF depending on | |
8376 | * which is easiest for the decoding logic | |
8377 | * Some space which must UNDEF | |
8378 | */ | |
8379 | int op1 = (insn >> 23) & 3; | |
8380 | int op2 = (insn >> 6) & 0x3f; | |
8381 | if (op & 2) { | |
8382 | goto illegal_op; | |
8383 | } | |
8384 | if (rn == 15) { | |
8385 | /* UNPREDICTABLE or unallocated hint */ | |
8386 | return 0; | |
8387 | } | |
8388 | if (op1 & 1) { | |
8389 | return 0; /* PLD* or unallocated hint */ | |
8390 | } | |
8391 | if ((op2 == 0) || ((op2 & 0x3c) == 0x30)) { | |
8392 | return 0; /* PLD* or unallocated hint */ | |
8393 | } | |
8394 | /* UNDEF space, or an UNPREDICTABLE */ | |
8395 | return 1; | |
8396 | } | |
8397 | } | |
b0109805 | 8398 | user = IS_USER(s); |
9ee6e8bb | 8399 | if (rn == 15) { |
7d1b0095 | 8400 | addr = tcg_temp_new_i32(); |
9ee6e8bb PB |
8401 | /* PC relative. */ |
8402 | /* s->pc has already been incremented by 4. */ | |
8403 | imm = s->pc & 0xfffffffc; | |
8404 | if (insn & (1 << 23)) | |
8405 | imm += insn & 0xfff; | |
8406 | else | |
8407 | imm -= insn & 0xfff; | |
b0109805 | 8408 | tcg_gen_movi_i32(addr, imm); |
9ee6e8bb | 8409 | } else { |
b0109805 | 8410 | addr = load_reg(s, rn); |
9ee6e8bb PB |
8411 | if (insn & (1 << 23)) { |
8412 | /* Positive offset. */ | |
8413 | imm = insn & 0xfff; | |
b0109805 | 8414 | tcg_gen_addi_i32(addr, addr, imm); |
9ee6e8bb | 8415 | } else { |
9ee6e8bb | 8416 | imm = insn & 0xff; |
2a0308c5 PM |
8417 | switch ((insn >> 8) & 0xf) { |
8418 | case 0x0: /* Shifted Register. */ | |
9ee6e8bb | 8419 | shift = (insn >> 4) & 0xf; |
2a0308c5 PM |
8420 | if (shift > 3) { |
8421 | tcg_temp_free_i32(addr); | |
18c9b560 | 8422 | goto illegal_op; |
2a0308c5 | 8423 | } |
b26eefb6 | 8424 | tmp = load_reg(s, rm); |
9ee6e8bb | 8425 | if (shift) |
b26eefb6 | 8426 | tcg_gen_shli_i32(tmp, tmp, shift); |
b0109805 | 8427 | tcg_gen_add_i32(addr, addr, tmp); |
7d1b0095 | 8428 | tcg_temp_free_i32(tmp); |
9ee6e8bb | 8429 | break; |
2a0308c5 | 8430 | case 0xc: /* Negative offset. */ |
b0109805 | 8431 | tcg_gen_addi_i32(addr, addr, -imm); |
9ee6e8bb | 8432 | break; |
2a0308c5 | 8433 | case 0xe: /* User privilege. */ |
b0109805 PB |
8434 | tcg_gen_addi_i32(addr, addr, imm); |
8435 | user = 1; | |
9ee6e8bb | 8436 | break; |
2a0308c5 | 8437 | case 0x9: /* Post-decrement. */ |
9ee6e8bb PB |
8438 | imm = -imm; |
8439 | /* Fall through. */ | |
2a0308c5 | 8440 | case 0xb: /* Post-increment. */ |
9ee6e8bb PB |
8441 | postinc = 1; |
8442 | writeback = 1; | |
8443 | break; | |
2a0308c5 | 8444 | case 0xd: /* Pre-decrement. */ |
9ee6e8bb PB |
8445 | imm = -imm; |
8446 | /* Fall through. */ | |
2a0308c5 | 8447 | case 0xf: /* Pre-increment. */ |
b0109805 | 8448 | tcg_gen_addi_i32(addr, addr, imm); |
9ee6e8bb PB |
8449 | writeback = 1; |
8450 | break; | |
8451 | default: | |
2a0308c5 | 8452 | tcg_temp_free_i32(addr); |
b7bcbe95 | 8453 | goto illegal_op; |
9ee6e8bb PB |
8454 | } |
8455 | } | |
8456 | } | |
9ee6e8bb PB |
8457 | if (insn & (1 << 20)) { |
8458 | /* Load. */ | |
a2fdc890 PM |
8459 | switch (op) { |
8460 | case 0: tmp = gen_ld8u(addr, user); break; | |
8461 | case 4: tmp = gen_ld8s(addr, user); break; | |
8462 | case 1: tmp = gen_ld16u(addr, user); break; | |
8463 | case 5: tmp = gen_ld16s(addr, user); break; | |
8464 | case 2: tmp = gen_ld32(addr, user); break; | |
2a0308c5 PM |
8465 | default: |
8466 | tcg_temp_free_i32(addr); | |
8467 | goto illegal_op; | |
a2fdc890 PM |
8468 | } |
8469 | if (rs == 15) { | |
8470 | gen_bx(s, tmp); | |
9ee6e8bb | 8471 | } else { |
a2fdc890 | 8472 | store_reg(s, rs, tmp); |
9ee6e8bb PB |
8473 | } |
8474 | } else { | |
8475 | /* Store. */ | |
b0109805 | 8476 | tmp = load_reg(s, rs); |
9ee6e8bb | 8477 | switch (op) { |
b0109805 PB |
8478 | case 0: gen_st8(tmp, addr, user); break; |
8479 | case 1: gen_st16(tmp, addr, user); break; | |
8480 | case 2: gen_st32(tmp, addr, user); break; | |
2a0308c5 PM |
8481 | default: |
8482 | tcg_temp_free_i32(addr); | |
8483 | goto illegal_op; | |
b7bcbe95 | 8484 | } |
2c0262af | 8485 | } |
9ee6e8bb | 8486 | if (postinc) |
b0109805 PB |
8487 | tcg_gen_addi_i32(addr, addr, imm); |
8488 | if (writeback) { | |
8489 | store_reg(s, rn, addr); | |
8490 | } else { | |
7d1b0095 | 8491 | tcg_temp_free_i32(addr); |
b0109805 | 8492 | } |
9ee6e8bb PB |
8493 | } |
8494 | break; | |
8495 | default: | |
8496 | goto illegal_op; | |
2c0262af | 8497 | } |
9ee6e8bb PB |
8498 | return 0; |
8499 | illegal_op: | |
8500 | return 1; | |
2c0262af FB |
8501 | } |
8502 | ||
9ee6e8bb | 8503 | static void disas_thumb_insn(CPUState *env, DisasContext *s) |
99c475ab FB |
8504 | { |
8505 | uint32_t val, insn, op, rm, rn, rd, shift, cond; | |
8506 | int32_t offset; | |
8507 | int i; | |
b26eefb6 | 8508 | TCGv tmp; |
d9ba4830 | 8509 | TCGv tmp2; |
b0109805 | 8510 | TCGv addr; |
99c475ab | 8511 | |
9ee6e8bb PB |
8512 | if (s->condexec_mask) { |
8513 | cond = s->condexec_cond; | |
bedd2912 JB |
8514 | if (cond != 0x0e) { /* Skip conditional when condition is AL. */ |
8515 | s->condlabel = gen_new_label(); | |
8516 | gen_test_cc(cond ^ 1, s->condlabel); | |
8517 | s->condjmp = 1; | |
8518 | } | |
9ee6e8bb PB |
8519 | } |
8520 | ||
b5ff1b31 | 8521 | insn = lduw_code(s->pc); |
99c475ab | 8522 | s->pc += 2; |
b5ff1b31 | 8523 | |
99c475ab FB |
8524 | switch (insn >> 12) { |
8525 | case 0: case 1: | |
396e467c | 8526 | |
99c475ab FB |
8527 | rd = insn & 7; |
8528 | op = (insn >> 11) & 3; | |
8529 | if (op == 3) { | |
8530 | /* add/subtract */ | |
8531 | rn = (insn >> 3) & 7; | |
396e467c | 8532 | tmp = load_reg(s, rn); |
99c475ab FB |
8533 | if (insn & (1 << 10)) { |
8534 | /* immediate */ | |
7d1b0095 | 8535 | tmp2 = tcg_temp_new_i32(); |
396e467c | 8536 | tcg_gen_movi_i32(tmp2, (insn >> 6) & 7); |
99c475ab FB |
8537 | } else { |
8538 | /* reg */ | |
8539 | rm = (insn >> 6) & 7; | |
396e467c | 8540 | tmp2 = load_reg(s, rm); |
99c475ab | 8541 | } |
9ee6e8bb PB |
8542 | if (insn & (1 << 9)) { |
8543 | if (s->condexec_mask) | |
396e467c | 8544 | tcg_gen_sub_i32(tmp, tmp, tmp2); |
9ee6e8bb | 8545 | else |
396e467c | 8546 | gen_helper_sub_cc(tmp, tmp, tmp2); |
9ee6e8bb PB |
8547 | } else { |
8548 | if (s->condexec_mask) | |
396e467c | 8549 | tcg_gen_add_i32(tmp, tmp, tmp2); |
9ee6e8bb | 8550 | else |
396e467c | 8551 | gen_helper_add_cc(tmp, tmp, tmp2); |
9ee6e8bb | 8552 | } |
7d1b0095 | 8553 | tcg_temp_free_i32(tmp2); |
396e467c | 8554 | store_reg(s, rd, tmp); |
99c475ab FB |
8555 | } else { |
8556 | /* shift immediate */ | |
8557 | rm = (insn >> 3) & 7; | |
8558 | shift = (insn >> 6) & 0x1f; | |
9a119ff6 PB |
8559 | tmp = load_reg(s, rm); |
8560 | gen_arm_shift_im(tmp, op, shift, s->condexec_mask == 0); | |
8561 | if (!s->condexec_mask) | |
8562 | gen_logic_CC(tmp); | |
8563 | store_reg(s, rd, tmp); | |
99c475ab FB |
8564 | } |
8565 | break; | |
8566 | case 2: case 3: | |
8567 | /* arithmetic large immediate */ | |
8568 | op = (insn >> 11) & 3; | |
8569 | rd = (insn >> 8) & 0x7; | |
396e467c | 8570 | if (op == 0) { /* mov */ |
7d1b0095 | 8571 | tmp = tcg_temp_new_i32(); |
396e467c | 8572 | tcg_gen_movi_i32(tmp, insn & 0xff); |
9ee6e8bb | 8573 | if (!s->condexec_mask) |
396e467c FN |
8574 | gen_logic_CC(tmp); |
8575 | store_reg(s, rd, tmp); | |
8576 | } else { | |
8577 | tmp = load_reg(s, rd); | |
7d1b0095 | 8578 | tmp2 = tcg_temp_new_i32(); |
396e467c FN |
8579 | tcg_gen_movi_i32(tmp2, insn & 0xff); |
8580 | switch (op) { | |
8581 | case 1: /* cmp */ | |
8582 | gen_helper_sub_cc(tmp, tmp, tmp2); | |
7d1b0095 PM |
8583 | tcg_temp_free_i32(tmp); |
8584 | tcg_temp_free_i32(tmp2); | |
396e467c FN |
8585 | break; |
8586 | case 2: /* add */ | |
8587 | if (s->condexec_mask) | |
8588 | tcg_gen_add_i32(tmp, tmp, tmp2); | |
8589 | else | |
8590 | gen_helper_add_cc(tmp, tmp, tmp2); | |
7d1b0095 | 8591 | tcg_temp_free_i32(tmp2); |
396e467c FN |
8592 | store_reg(s, rd, tmp); |
8593 | break; | |
8594 | case 3: /* sub */ | |
8595 | if (s->condexec_mask) | |
8596 | tcg_gen_sub_i32(tmp, tmp, tmp2); | |
8597 | else | |
8598 | gen_helper_sub_cc(tmp, tmp, tmp2); | |
7d1b0095 | 8599 | tcg_temp_free_i32(tmp2); |
396e467c FN |
8600 | store_reg(s, rd, tmp); |
8601 | break; | |
8602 | } | |
99c475ab | 8603 | } |
99c475ab FB |
8604 | break; |
8605 | case 4: | |
8606 | if (insn & (1 << 11)) { | |
8607 | rd = (insn >> 8) & 7; | |
5899f386 FB |
8608 | /* load pc-relative. Bit 1 of PC is ignored. */ |
8609 | val = s->pc + 2 + ((insn & 0xff) * 4); | |
8610 | val &= ~(uint32_t)2; | |
7d1b0095 | 8611 | addr = tcg_temp_new_i32(); |
b0109805 PB |
8612 | tcg_gen_movi_i32(addr, val); |
8613 | tmp = gen_ld32(addr, IS_USER(s)); | |
7d1b0095 | 8614 | tcg_temp_free_i32(addr); |
b0109805 | 8615 | store_reg(s, rd, tmp); |
99c475ab FB |
8616 | break; |
8617 | } | |
8618 | if (insn & (1 << 10)) { | |
8619 | /* data processing extended or blx */ | |
8620 | rd = (insn & 7) | ((insn >> 4) & 8); | |
8621 | rm = (insn >> 3) & 0xf; | |
8622 | op = (insn >> 8) & 3; | |
8623 | switch (op) { | |
8624 | case 0: /* add */ | |
396e467c FN |
8625 | tmp = load_reg(s, rd); |
8626 | tmp2 = load_reg(s, rm); | |
8627 | tcg_gen_add_i32(tmp, tmp, tmp2); | |
7d1b0095 | 8628 | tcg_temp_free_i32(tmp2); |
396e467c | 8629 | store_reg(s, rd, tmp); |
99c475ab FB |
8630 | break; |
8631 | case 1: /* cmp */ | |
396e467c FN |
8632 | tmp = load_reg(s, rd); |
8633 | tmp2 = load_reg(s, rm); | |
8634 | gen_helper_sub_cc(tmp, tmp, tmp2); | |
7d1b0095 PM |
8635 | tcg_temp_free_i32(tmp2); |
8636 | tcg_temp_free_i32(tmp); | |
99c475ab FB |
8637 | break; |
8638 | case 2: /* mov/cpy */ | |
396e467c FN |
8639 | tmp = load_reg(s, rm); |
8640 | store_reg(s, rd, tmp); | |
99c475ab FB |
8641 | break; |
8642 | case 3:/* branch [and link] exchange thumb register */ | |
b0109805 | 8643 | tmp = load_reg(s, rm); |
99c475ab FB |
8644 | if (insn & (1 << 7)) { |
8645 | val = (uint32_t)s->pc | 1; | |
7d1b0095 | 8646 | tmp2 = tcg_temp_new_i32(); |
b0109805 PB |
8647 | tcg_gen_movi_i32(tmp2, val); |
8648 | store_reg(s, 14, tmp2); | |
99c475ab | 8649 | } |
d9ba4830 | 8650 | gen_bx(s, tmp); |
99c475ab FB |
8651 | break; |
8652 | } | |
8653 | break; | |
8654 | } | |
8655 | ||
8656 | /* data processing register */ | |
8657 | rd = insn & 7; | |
8658 | rm = (insn >> 3) & 7; | |
8659 | op = (insn >> 6) & 0xf; | |
8660 | if (op == 2 || op == 3 || op == 4 || op == 7) { | |
8661 | /* the shift/rotate ops want the operands backwards */ | |
8662 | val = rm; | |
8663 | rm = rd; | |
8664 | rd = val; | |
8665 | val = 1; | |
8666 | } else { | |
8667 | val = 0; | |
8668 | } | |
8669 | ||
396e467c | 8670 | if (op == 9) { /* neg */ |
7d1b0095 | 8671 | tmp = tcg_temp_new_i32(); |
396e467c FN |
8672 | tcg_gen_movi_i32(tmp, 0); |
8673 | } else if (op != 0xf) { /* mvn doesn't read its first operand */ | |
8674 | tmp = load_reg(s, rd); | |
8675 | } else { | |
8676 | TCGV_UNUSED(tmp); | |
8677 | } | |
99c475ab | 8678 | |
396e467c | 8679 | tmp2 = load_reg(s, rm); |
5899f386 | 8680 | switch (op) { |
99c475ab | 8681 | case 0x0: /* and */ |
396e467c | 8682 | tcg_gen_and_i32(tmp, tmp, tmp2); |
9ee6e8bb | 8683 | if (!s->condexec_mask) |
396e467c | 8684 | gen_logic_CC(tmp); |
99c475ab FB |
8685 | break; |
8686 | case 0x1: /* eor */ | |
396e467c | 8687 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
9ee6e8bb | 8688 | if (!s->condexec_mask) |
396e467c | 8689 | gen_logic_CC(tmp); |
99c475ab FB |
8690 | break; |
8691 | case 0x2: /* lsl */ | |
9ee6e8bb | 8692 | if (s->condexec_mask) { |
396e467c | 8693 | gen_helper_shl(tmp2, tmp2, tmp); |
9ee6e8bb | 8694 | } else { |
396e467c FN |
8695 | gen_helper_shl_cc(tmp2, tmp2, tmp); |
8696 | gen_logic_CC(tmp2); | |
9ee6e8bb | 8697 | } |
99c475ab FB |
8698 | break; |
8699 | case 0x3: /* lsr */ | |
9ee6e8bb | 8700 | if (s->condexec_mask) { |
396e467c | 8701 | gen_helper_shr(tmp2, tmp2, tmp); |
9ee6e8bb | 8702 | } else { |
396e467c FN |
8703 | gen_helper_shr_cc(tmp2, tmp2, tmp); |
8704 | gen_logic_CC(tmp2); | |
9ee6e8bb | 8705 | } |
99c475ab FB |
8706 | break; |
8707 | case 0x4: /* asr */ | |
9ee6e8bb | 8708 | if (s->condexec_mask) { |
396e467c | 8709 | gen_helper_sar(tmp2, tmp2, tmp); |
9ee6e8bb | 8710 | } else { |
396e467c FN |
8711 | gen_helper_sar_cc(tmp2, tmp2, tmp); |
8712 | gen_logic_CC(tmp2); | |
9ee6e8bb | 8713 | } |
99c475ab FB |
8714 | break; |
8715 | case 0x5: /* adc */ | |
9ee6e8bb | 8716 | if (s->condexec_mask) |
396e467c | 8717 | gen_adc(tmp, tmp2); |
9ee6e8bb | 8718 | else |
396e467c | 8719 | gen_helper_adc_cc(tmp, tmp, tmp2); |
99c475ab FB |
8720 | break; |
8721 | case 0x6: /* sbc */ | |
9ee6e8bb | 8722 | if (s->condexec_mask) |
396e467c | 8723 | gen_sub_carry(tmp, tmp, tmp2); |
9ee6e8bb | 8724 | else |
396e467c | 8725 | gen_helper_sbc_cc(tmp, tmp, tmp2); |
99c475ab FB |
8726 | break; |
8727 | case 0x7: /* ror */ | |
9ee6e8bb | 8728 | if (s->condexec_mask) { |
f669df27 AJ |
8729 | tcg_gen_andi_i32(tmp, tmp, 0x1f); |
8730 | tcg_gen_rotr_i32(tmp2, tmp2, tmp); | |
9ee6e8bb | 8731 | } else { |
396e467c FN |
8732 | gen_helper_ror_cc(tmp2, tmp2, tmp); |
8733 | gen_logic_CC(tmp2); | |
9ee6e8bb | 8734 | } |
99c475ab FB |
8735 | break; |
8736 | case 0x8: /* tst */ | |
396e467c FN |
8737 | tcg_gen_and_i32(tmp, tmp, tmp2); |
8738 | gen_logic_CC(tmp); | |
99c475ab | 8739 | rd = 16; |
5899f386 | 8740 | break; |
99c475ab | 8741 | case 0x9: /* neg */ |
9ee6e8bb | 8742 | if (s->condexec_mask) |
396e467c | 8743 | tcg_gen_neg_i32(tmp, tmp2); |
9ee6e8bb | 8744 | else |
396e467c | 8745 | gen_helper_sub_cc(tmp, tmp, tmp2); |
99c475ab FB |
8746 | break; |
8747 | case 0xa: /* cmp */ | |
396e467c | 8748 | gen_helper_sub_cc(tmp, tmp, tmp2); |
99c475ab FB |
8749 | rd = 16; |
8750 | break; | |
8751 | case 0xb: /* cmn */ | |
396e467c | 8752 | gen_helper_add_cc(tmp, tmp, tmp2); |
99c475ab FB |
8753 | rd = 16; |
8754 | break; | |
8755 | case 0xc: /* orr */ | |
396e467c | 8756 | tcg_gen_or_i32(tmp, tmp, tmp2); |
9ee6e8bb | 8757 | if (!s->condexec_mask) |
396e467c | 8758 | gen_logic_CC(tmp); |
99c475ab FB |
8759 | break; |
8760 | case 0xd: /* mul */ | |
7b2919a0 | 8761 | tcg_gen_mul_i32(tmp, tmp, tmp2); |
9ee6e8bb | 8762 | if (!s->condexec_mask) |
396e467c | 8763 | gen_logic_CC(tmp); |
99c475ab FB |
8764 | break; |
8765 | case 0xe: /* bic */ | |
f669df27 | 8766 | tcg_gen_andc_i32(tmp, tmp, tmp2); |
9ee6e8bb | 8767 | if (!s->condexec_mask) |
396e467c | 8768 | gen_logic_CC(tmp); |
99c475ab FB |
8769 | break; |
8770 | case 0xf: /* mvn */ | |
396e467c | 8771 | tcg_gen_not_i32(tmp2, tmp2); |
9ee6e8bb | 8772 | if (!s->condexec_mask) |
396e467c | 8773 | gen_logic_CC(tmp2); |
99c475ab | 8774 | val = 1; |
5899f386 | 8775 | rm = rd; |
99c475ab FB |
8776 | break; |
8777 | } | |
8778 | if (rd != 16) { | |
396e467c FN |
8779 | if (val) { |
8780 | store_reg(s, rm, tmp2); | |
8781 | if (op != 0xf) | |
7d1b0095 | 8782 | tcg_temp_free_i32(tmp); |
396e467c FN |
8783 | } else { |
8784 | store_reg(s, rd, tmp); | |
7d1b0095 | 8785 | tcg_temp_free_i32(tmp2); |
396e467c FN |
8786 | } |
8787 | } else { | |
7d1b0095 PM |
8788 | tcg_temp_free_i32(tmp); |
8789 | tcg_temp_free_i32(tmp2); | |
99c475ab FB |
8790 | } |
8791 | break; | |
8792 | ||
8793 | case 5: | |
8794 | /* load/store register offset. */ | |
8795 | rd = insn & 7; | |
8796 | rn = (insn >> 3) & 7; | |
8797 | rm = (insn >> 6) & 7; | |
8798 | op = (insn >> 9) & 7; | |
b0109805 | 8799 | addr = load_reg(s, rn); |
b26eefb6 | 8800 | tmp = load_reg(s, rm); |
b0109805 | 8801 | tcg_gen_add_i32(addr, addr, tmp); |
7d1b0095 | 8802 | tcg_temp_free_i32(tmp); |
99c475ab FB |
8803 | |
8804 | if (op < 3) /* store */ | |
b0109805 | 8805 | tmp = load_reg(s, rd); |
99c475ab FB |
8806 | |
8807 | switch (op) { | |
8808 | case 0: /* str */ | |
b0109805 | 8809 | gen_st32(tmp, addr, IS_USER(s)); |
99c475ab FB |
8810 | break; |
8811 | case 1: /* strh */ | |
b0109805 | 8812 | gen_st16(tmp, addr, IS_USER(s)); |
99c475ab FB |
8813 | break; |
8814 | case 2: /* strb */ | |
b0109805 | 8815 | gen_st8(tmp, addr, IS_USER(s)); |
99c475ab FB |
8816 | break; |
8817 | case 3: /* ldrsb */ | |
b0109805 | 8818 | tmp = gen_ld8s(addr, IS_USER(s)); |
99c475ab FB |
8819 | break; |
8820 | case 4: /* ldr */ | |
b0109805 | 8821 | tmp = gen_ld32(addr, IS_USER(s)); |
99c475ab FB |
8822 | break; |
8823 | case 5: /* ldrh */ | |
b0109805 | 8824 | tmp = gen_ld16u(addr, IS_USER(s)); |
99c475ab FB |
8825 | break; |
8826 | case 6: /* ldrb */ | |
b0109805 | 8827 | tmp = gen_ld8u(addr, IS_USER(s)); |
99c475ab FB |
8828 | break; |
8829 | case 7: /* ldrsh */ | |
b0109805 | 8830 | tmp = gen_ld16s(addr, IS_USER(s)); |
99c475ab FB |
8831 | break; |
8832 | } | |
8833 | if (op >= 3) /* load */ | |
b0109805 | 8834 | store_reg(s, rd, tmp); |
7d1b0095 | 8835 | tcg_temp_free_i32(addr); |
99c475ab FB |
8836 | break; |
8837 | ||
8838 | case 6: | |
8839 | /* load/store word immediate offset */ | |
8840 | rd = insn & 7; | |
8841 | rn = (insn >> 3) & 7; | |
b0109805 | 8842 | addr = load_reg(s, rn); |
99c475ab | 8843 | val = (insn >> 4) & 0x7c; |
b0109805 | 8844 | tcg_gen_addi_i32(addr, addr, val); |
99c475ab FB |
8845 | |
8846 | if (insn & (1 << 11)) { | |
8847 | /* load */ | |
b0109805 PB |
8848 | tmp = gen_ld32(addr, IS_USER(s)); |
8849 | store_reg(s, rd, tmp); | |
99c475ab FB |
8850 | } else { |
8851 | /* store */ | |
b0109805 PB |
8852 | tmp = load_reg(s, rd); |
8853 | gen_st32(tmp, addr, IS_USER(s)); | |
99c475ab | 8854 | } |
7d1b0095 | 8855 | tcg_temp_free_i32(addr); |
99c475ab FB |
8856 | break; |
8857 | ||
8858 | case 7: | |
8859 | /* load/store byte immediate offset */ | |
8860 | rd = insn & 7; | |
8861 | rn = (insn >> 3) & 7; | |
b0109805 | 8862 | addr = load_reg(s, rn); |
99c475ab | 8863 | val = (insn >> 6) & 0x1f; |
b0109805 | 8864 | tcg_gen_addi_i32(addr, addr, val); |
99c475ab FB |
8865 | |
8866 | if (insn & (1 << 11)) { | |
8867 | /* load */ | |
b0109805 PB |
8868 | tmp = gen_ld8u(addr, IS_USER(s)); |
8869 | store_reg(s, rd, tmp); | |
99c475ab FB |
8870 | } else { |
8871 | /* store */ | |
b0109805 PB |
8872 | tmp = load_reg(s, rd); |
8873 | gen_st8(tmp, addr, IS_USER(s)); | |
99c475ab | 8874 | } |
7d1b0095 | 8875 | tcg_temp_free_i32(addr); |
99c475ab FB |
8876 | break; |
8877 | ||
8878 | case 8: | |
8879 | /* load/store halfword immediate offset */ | |
8880 | rd = insn & 7; | |
8881 | rn = (insn >> 3) & 7; | |
b0109805 | 8882 | addr = load_reg(s, rn); |
99c475ab | 8883 | val = (insn >> 5) & 0x3e; |
b0109805 | 8884 | tcg_gen_addi_i32(addr, addr, val); |
99c475ab FB |
8885 | |
8886 | if (insn & (1 << 11)) { | |
8887 | /* load */ | |
b0109805 PB |
8888 | tmp = gen_ld16u(addr, IS_USER(s)); |
8889 | store_reg(s, rd, tmp); | |
99c475ab FB |
8890 | } else { |
8891 | /* store */ | |
b0109805 PB |
8892 | tmp = load_reg(s, rd); |
8893 | gen_st16(tmp, addr, IS_USER(s)); | |
99c475ab | 8894 | } |
7d1b0095 | 8895 | tcg_temp_free_i32(addr); |
99c475ab FB |
8896 | break; |
8897 | ||
8898 | case 9: | |
8899 | /* load/store from stack */ | |
8900 | rd = (insn >> 8) & 7; | |
b0109805 | 8901 | addr = load_reg(s, 13); |
99c475ab | 8902 | val = (insn & 0xff) * 4; |
b0109805 | 8903 | tcg_gen_addi_i32(addr, addr, val); |
99c475ab FB |
8904 | |
8905 | if (insn & (1 << 11)) { | |
8906 | /* load */ | |
b0109805 PB |
8907 | tmp = gen_ld32(addr, IS_USER(s)); |
8908 | store_reg(s, rd, tmp); | |
99c475ab FB |
8909 | } else { |
8910 | /* store */ | |
b0109805 PB |
8911 | tmp = load_reg(s, rd); |
8912 | gen_st32(tmp, addr, IS_USER(s)); | |
99c475ab | 8913 | } |
7d1b0095 | 8914 | tcg_temp_free_i32(addr); |
99c475ab FB |
8915 | break; |
8916 | ||
8917 | case 10: | |
8918 | /* add to high reg */ | |
8919 | rd = (insn >> 8) & 7; | |
5899f386 FB |
8920 | if (insn & (1 << 11)) { |
8921 | /* SP */ | |
5e3f878a | 8922 | tmp = load_reg(s, 13); |
5899f386 FB |
8923 | } else { |
8924 | /* PC. bit 1 is ignored. */ | |
7d1b0095 | 8925 | tmp = tcg_temp_new_i32(); |
5e3f878a | 8926 | tcg_gen_movi_i32(tmp, (s->pc + 2) & ~(uint32_t)2); |
5899f386 | 8927 | } |
99c475ab | 8928 | val = (insn & 0xff) * 4; |
5e3f878a PB |
8929 | tcg_gen_addi_i32(tmp, tmp, val); |
8930 | store_reg(s, rd, tmp); | |
99c475ab FB |
8931 | break; |
8932 | ||
8933 | case 11: | |
8934 | /* misc */ | |
8935 | op = (insn >> 8) & 0xf; | |
8936 | switch (op) { | |
8937 | case 0: | |
8938 | /* adjust stack pointer */ | |
b26eefb6 | 8939 | tmp = load_reg(s, 13); |
99c475ab FB |
8940 | val = (insn & 0x7f) * 4; |
8941 | if (insn & (1 << 7)) | |
6a0d8a1d | 8942 | val = -(int32_t)val; |
b26eefb6 PB |
8943 | tcg_gen_addi_i32(tmp, tmp, val); |
8944 | store_reg(s, 13, tmp); | |
99c475ab FB |
8945 | break; |
8946 | ||
9ee6e8bb PB |
8947 | case 2: /* sign/zero extend. */ |
8948 | ARCH(6); | |
8949 | rd = insn & 7; | |
8950 | rm = (insn >> 3) & 7; | |
b0109805 | 8951 | tmp = load_reg(s, rm); |
9ee6e8bb | 8952 | switch ((insn >> 6) & 3) { |
b0109805 PB |
8953 | case 0: gen_sxth(tmp); break; |
8954 | case 1: gen_sxtb(tmp); break; | |
8955 | case 2: gen_uxth(tmp); break; | |
8956 | case 3: gen_uxtb(tmp); break; | |
9ee6e8bb | 8957 | } |
b0109805 | 8958 | store_reg(s, rd, tmp); |
9ee6e8bb | 8959 | break; |
99c475ab FB |
8960 | case 4: case 5: case 0xc: case 0xd: |
8961 | /* push/pop */ | |
b0109805 | 8962 | addr = load_reg(s, 13); |
5899f386 FB |
8963 | if (insn & (1 << 8)) |
8964 | offset = 4; | |
99c475ab | 8965 | else |
5899f386 FB |
8966 | offset = 0; |
8967 | for (i = 0; i < 8; i++) { | |
8968 | if (insn & (1 << i)) | |
8969 | offset += 4; | |
8970 | } | |
8971 | if ((insn & (1 << 11)) == 0) { | |
b0109805 | 8972 | tcg_gen_addi_i32(addr, addr, -offset); |
5899f386 | 8973 | } |
99c475ab FB |
8974 | for (i = 0; i < 8; i++) { |
8975 | if (insn & (1 << i)) { | |
8976 | if (insn & (1 << 11)) { | |
8977 | /* pop */ | |
b0109805 PB |
8978 | tmp = gen_ld32(addr, IS_USER(s)); |
8979 | store_reg(s, i, tmp); | |
99c475ab FB |
8980 | } else { |
8981 | /* push */ | |
b0109805 PB |
8982 | tmp = load_reg(s, i); |
8983 | gen_st32(tmp, addr, IS_USER(s)); | |
99c475ab | 8984 | } |
5899f386 | 8985 | /* advance to the next address. */ |
b0109805 | 8986 | tcg_gen_addi_i32(addr, addr, 4); |
99c475ab FB |
8987 | } |
8988 | } | |
a50f5b91 | 8989 | TCGV_UNUSED(tmp); |
99c475ab FB |
8990 | if (insn & (1 << 8)) { |
8991 | if (insn & (1 << 11)) { | |
8992 | /* pop pc */ | |
b0109805 | 8993 | tmp = gen_ld32(addr, IS_USER(s)); |
99c475ab FB |
8994 | /* don't set the pc until the rest of the instruction |
8995 | has completed */ | |
8996 | } else { | |
8997 | /* push lr */ | |
b0109805 PB |
8998 | tmp = load_reg(s, 14); |
8999 | gen_st32(tmp, addr, IS_USER(s)); | |
99c475ab | 9000 | } |
b0109805 | 9001 | tcg_gen_addi_i32(addr, addr, 4); |
99c475ab | 9002 | } |
5899f386 | 9003 | if ((insn & (1 << 11)) == 0) { |
b0109805 | 9004 | tcg_gen_addi_i32(addr, addr, -offset); |
5899f386 | 9005 | } |
99c475ab | 9006 | /* write back the new stack pointer */ |
b0109805 | 9007 | store_reg(s, 13, addr); |
99c475ab FB |
9008 | /* set the new PC value */ |
9009 | if ((insn & 0x0900) == 0x0900) | |
b0109805 | 9010 | gen_bx(s, tmp); |
99c475ab FB |
9011 | break; |
9012 | ||
9ee6e8bb PB |
9013 | case 1: case 3: case 9: case 11: /* czb */ |
9014 | rm = insn & 7; | |
d9ba4830 | 9015 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
9016 | s->condlabel = gen_new_label(); |
9017 | s->condjmp = 1; | |
9018 | if (insn & (1 << 11)) | |
cb63669a | 9019 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, s->condlabel); |
9ee6e8bb | 9020 | else |
cb63669a | 9021 | tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, s->condlabel); |
7d1b0095 | 9022 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
9023 | offset = ((insn & 0xf8) >> 2) | (insn & 0x200) >> 3; |
9024 | val = (uint32_t)s->pc + 2; | |
9025 | val += offset; | |
9026 | gen_jmp(s, val); | |
9027 | break; | |
9028 | ||
9029 | case 15: /* IT, nop-hint. */ | |
9030 | if ((insn & 0xf) == 0) { | |
9031 | gen_nop_hint(s, (insn >> 4) & 0xf); | |
9032 | break; | |
9033 | } | |
9034 | /* If Then. */ | |
9035 | s->condexec_cond = (insn >> 4) & 0xe; | |
9036 | s->condexec_mask = insn & 0x1f; | |
9037 | /* No actual code generated for this insn, just setup state. */ | |
9038 | break; | |
9039 | ||
06c949e6 | 9040 | case 0xe: /* bkpt */ |
bc4a0de0 | 9041 | gen_exception_insn(s, 2, EXCP_BKPT); |
06c949e6 PB |
9042 | break; |
9043 | ||
9ee6e8bb PB |
9044 | case 0xa: /* rev */ |
9045 | ARCH(6); | |
9046 | rn = (insn >> 3) & 0x7; | |
9047 | rd = insn & 0x7; | |
b0109805 | 9048 | tmp = load_reg(s, rn); |
9ee6e8bb | 9049 | switch ((insn >> 6) & 3) { |
66896cb8 | 9050 | case 0: tcg_gen_bswap32_i32(tmp, tmp); break; |
b0109805 PB |
9051 | case 1: gen_rev16(tmp); break; |
9052 | case 3: gen_revsh(tmp); break; | |
9ee6e8bb PB |
9053 | default: goto illegal_op; |
9054 | } | |
b0109805 | 9055 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
9056 | break; |
9057 | ||
9058 | case 6: /* cps */ | |
9059 | ARCH(6); | |
9060 | if (IS_USER(s)) | |
9061 | break; | |
9062 | if (IS_M(env)) { | |
8984bd2e | 9063 | tmp = tcg_const_i32((insn & (1 << 4)) != 0); |
9ee6e8bb | 9064 | /* PRIMASK */ |
8984bd2e PB |
9065 | if (insn & 1) { |
9066 | addr = tcg_const_i32(16); | |
9067 | gen_helper_v7m_msr(cpu_env, addr, tmp); | |
b75263d6 | 9068 | tcg_temp_free_i32(addr); |
8984bd2e | 9069 | } |
9ee6e8bb | 9070 | /* FAULTMASK */ |
8984bd2e PB |
9071 | if (insn & 2) { |
9072 | addr = tcg_const_i32(17); | |
9073 | gen_helper_v7m_msr(cpu_env, addr, tmp); | |
b75263d6 | 9074 | tcg_temp_free_i32(addr); |
8984bd2e | 9075 | } |
b75263d6 | 9076 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
9077 | gen_lookup_tb(s); |
9078 | } else { | |
9079 | if (insn & (1 << 4)) | |
9080 | shift = CPSR_A | CPSR_I | CPSR_F; | |
9081 | else | |
9082 | shift = 0; | |
fa26df03 | 9083 | gen_set_psr_im(s, ((insn & 7) << 6), 0, shift); |
9ee6e8bb PB |
9084 | } |
9085 | break; | |
9086 | ||
99c475ab FB |
9087 | default: |
9088 | goto undef; | |
9089 | } | |
9090 | break; | |
9091 | ||
9092 | case 12: | |
9093 | /* load/store multiple */ | |
9094 | rn = (insn >> 8) & 0x7; | |
b0109805 | 9095 | addr = load_reg(s, rn); |
99c475ab FB |
9096 | for (i = 0; i < 8; i++) { |
9097 | if (insn & (1 << i)) { | |
99c475ab FB |
9098 | if (insn & (1 << 11)) { |
9099 | /* load */ | |
b0109805 PB |
9100 | tmp = gen_ld32(addr, IS_USER(s)); |
9101 | store_reg(s, i, tmp); | |
99c475ab FB |
9102 | } else { |
9103 | /* store */ | |
b0109805 PB |
9104 | tmp = load_reg(s, i); |
9105 | gen_st32(tmp, addr, IS_USER(s)); | |
99c475ab | 9106 | } |
5899f386 | 9107 | /* advance to the next address */ |
b0109805 | 9108 | tcg_gen_addi_i32(addr, addr, 4); |
99c475ab FB |
9109 | } |
9110 | } | |
5899f386 | 9111 | /* Base register writeback. */ |
b0109805 PB |
9112 | if ((insn & (1 << rn)) == 0) { |
9113 | store_reg(s, rn, addr); | |
9114 | } else { | |
7d1b0095 | 9115 | tcg_temp_free_i32(addr); |
b0109805 | 9116 | } |
99c475ab FB |
9117 | break; |
9118 | ||
9119 | case 13: | |
9120 | /* conditional branch or swi */ | |
9121 | cond = (insn >> 8) & 0xf; | |
9122 | if (cond == 0xe) | |
9123 | goto undef; | |
9124 | ||
9125 | if (cond == 0xf) { | |
9126 | /* swi */ | |
422ebf69 | 9127 | gen_set_pc_im(s->pc); |
9ee6e8bb | 9128 | s->is_jmp = DISAS_SWI; |
99c475ab FB |
9129 | break; |
9130 | } | |
9131 | /* generate a conditional jump to next instruction */ | |
e50e6a20 | 9132 | s->condlabel = gen_new_label(); |
d9ba4830 | 9133 | gen_test_cc(cond ^ 1, s->condlabel); |
e50e6a20 | 9134 | s->condjmp = 1; |
99c475ab FB |
9135 | |
9136 | /* jump to the offset */ | |
5899f386 | 9137 | val = (uint32_t)s->pc + 2; |
99c475ab | 9138 | offset = ((int32_t)insn << 24) >> 24; |
5899f386 | 9139 | val += offset << 1; |
8aaca4c0 | 9140 | gen_jmp(s, val); |
99c475ab FB |
9141 | break; |
9142 | ||
9143 | case 14: | |
358bf29e | 9144 | if (insn & (1 << 11)) { |
9ee6e8bb PB |
9145 | if (disas_thumb2_insn(env, s, insn)) |
9146 | goto undef32; | |
358bf29e PB |
9147 | break; |
9148 | } | |
9ee6e8bb | 9149 | /* unconditional branch */ |
99c475ab FB |
9150 | val = (uint32_t)s->pc; |
9151 | offset = ((int32_t)insn << 21) >> 21; | |
9152 | val += (offset << 1) + 2; | |
8aaca4c0 | 9153 | gen_jmp(s, val); |
99c475ab FB |
9154 | break; |
9155 | ||
9156 | case 15: | |
9ee6e8bb | 9157 | if (disas_thumb2_insn(env, s, insn)) |
6a0d8a1d | 9158 | goto undef32; |
9ee6e8bb | 9159 | break; |
99c475ab FB |
9160 | } |
9161 | return; | |
9ee6e8bb | 9162 | undef32: |
bc4a0de0 | 9163 | gen_exception_insn(s, 4, EXCP_UDEF); |
9ee6e8bb PB |
9164 | return; |
9165 | illegal_op: | |
99c475ab | 9166 | undef: |
bc4a0de0 | 9167 | gen_exception_insn(s, 2, EXCP_UDEF); |
99c475ab FB |
9168 | } |
9169 | ||
2c0262af FB |
9170 | /* generate intermediate code in gen_opc_buf and gen_opparam_buf for |
9171 | basic block 'tb'. If search_pc is TRUE, also generate PC | |
9172 | information for each intermediate instruction. */ | |
2cfc5f17 TS |
9173 | static inline void gen_intermediate_code_internal(CPUState *env, |
9174 | TranslationBlock *tb, | |
9175 | int search_pc) | |
2c0262af FB |
9176 | { |
9177 | DisasContext dc1, *dc = &dc1; | |
a1d1bb31 | 9178 | CPUBreakpoint *bp; |
2c0262af FB |
9179 | uint16_t *gen_opc_end; |
9180 | int j, lj; | |
0fa85d43 | 9181 | target_ulong pc_start; |
b5ff1b31 | 9182 | uint32_t next_page_start; |
2e70f6ef PB |
9183 | int num_insns; |
9184 | int max_insns; | |
3b46e624 | 9185 | |
2c0262af | 9186 | /* generate intermediate code */ |
0fa85d43 | 9187 | pc_start = tb->pc; |
3b46e624 | 9188 | |
2c0262af FB |
9189 | dc->tb = tb; |
9190 | ||
2c0262af | 9191 | gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
2c0262af FB |
9192 | |
9193 | dc->is_jmp = DISAS_NEXT; | |
9194 | dc->pc = pc_start; | |
8aaca4c0 | 9195 | dc->singlestep_enabled = env->singlestep_enabled; |
e50e6a20 | 9196 | dc->condjmp = 0; |
7204ab88 | 9197 | dc->thumb = ARM_TBFLAG_THUMB(tb->flags); |
98eac7ca PM |
9198 | dc->condexec_mask = (ARM_TBFLAG_CONDEXEC(tb->flags) & 0xf) << 1; |
9199 | dc->condexec_cond = ARM_TBFLAG_CONDEXEC(tb->flags) >> 4; | |
b5ff1b31 | 9200 | #if !defined(CONFIG_USER_ONLY) |
61f74d6a | 9201 | dc->user = (ARM_TBFLAG_PRIV(tb->flags) == 0); |
b5ff1b31 | 9202 | #endif |
5df8bac1 | 9203 | dc->vfp_enabled = ARM_TBFLAG_VFPEN(tb->flags); |
69d1fc22 PM |
9204 | dc->vec_len = ARM_TBFLAG_VECLEN(tb->flags); |
9205 | dc->vec_stride = ARM_TBFLAG_VECSTRIDE(tb->flags); | |
a7812ae4 PB |
9206 | cpu_F0s = tcg_temp_new_i32(); |
9207 | cpu_F1s = tcg_temp_new_i32(); | |
9208 | cpu_F0d = tcg_temp_new_i64(); | |
9209 | cpu_F1d = tcg_temp_new_i64(); | |
ad69471c PB |
9210 | cpu_V0 = cpu_F0d; |
9211 | cpu_V1 = cpu_F1d; | |
e677137d | 9212 | /* FIXME: cpu_M0 can probably be the same as cpu_V0. */ |
a7812ae4 | 9213 | cpu_M0 = tcg_temp_new_i64(); |
b5ff1b31 | 9214 | next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE; |
2c0262af | 9215 | lj = -1; |
2e70f6ef PB |
9216 | num_insns = 0; |
9217 | max_insns = tb->cflags & CF_COUNT_MASK; | |
9218 | if (max_insns == 0) | |
9219 | max_insns = CF_COUNT_MASK; | |
9220 | ||
9221 | gen_icount_start(); | |
e12ce78d | 9222 | |
3849902c PM |
9223 | tcg_clear_temp_count(); |
9224 | ||
e12ce78d PM |
9225 | /* A note on handling of the condexec (IT) bits: |
9226 | * | |
9227 | * We want to avoid the overhead of having to write the updated condexec | |
9228 | * bits back to the CPUState for every instruction in an IT block. So: | |
9229 | * (1) if the condexec bits are not already zero then we write | |
9230 | * zero back into the CPUState now. This avoids complications trying | |
9231 | * to do it at the end of the block. (For example if we don't do this | |
9232 | * it's hard to identify whether we can safely skip writing condexec | |
9233 | * at the end of the TB, which we definitely want to do for the case | |
9234 | * where a TB doesn't do anything with the IT state at all.) | |
9235 | * (2) if we are going to leave the TB then we call gen_set_condexec() | |
9236 | * which will write the correct value into CPUState if zero is wrong. | |
9237 | * This is done both for leaving the TB at the end, and for leaving | |
9238 | * it because of an exception we know will happen, which is done in | |
9239 | * gen_exception_insn(). The latter is necessary because we need to | |
9240 | * leave the TB with the PC/IT state just prior to execution of the | |
9241 | * instruction which caused the exception. | |
9242 | * (3) if we leave the TB unexpectedly (eg a data abort on a load) | |
9243 | * then the CPUState will be wrong and we need to reset it. | |
9244 | * This is handled in the same way as restoration of the | |
9245 | * PC in these situations: we will be called again with search_pc=1 | |
9246 | * and generate a mapping of the condexec bits for each PC in | |
9247 | * gen_opc_condexec_bits[]. gen_pc_load[] then uses this to restore | |
9248 | * the condexec bits. | |
9249 | * | |
9250 | * Note that there are no instructions which can read the condexec | |
9251 | * bits, and none which can write non-static values to them, so | |
9252 | * we don't need to care about whether CPUState is correct in the | |
9253 | * middle of a TB. | |
9254 | */ | |
9255 | ||
9ee6e8bb PB |
9256 | /* Reset the conditional execution bits immediately. This avoids |
9257 | complications trying to do it at the end of the block. */ | |
98eac7ca | 9258 | if (dc->condexec_mask || dc->condexec_cond) |
8f01245e | 9259 | { |
7d1b0095 | 9260 | TCGv tmp = tcg_temp_new_i32(); |
8f01245e | 9261 | tcg_gen_movi_i32(tmp, 0); |
d9ba4830 | 9262 | store_cpu_field(tmp, condexec_bits); |
8f01245e | 9263 | } |
2c0262af | 9264 | do { |
fbb4a2e3 PB |
9265 | #ifdef CONFIG_USER_ONLY |
9266 | /* Intercept jump to the magic kernel page. */ | |
9267 | if (dc->pc >= 0xffff0000) { | |
9268 | /* We always get here via a jump, so know we are not in a | |
9269 | conditional execution block. */ | |
9270 | gen_exception(EXCP_KERNEL_TRAP); | |
9271 | dc->is_jmp = DISAS_UPDATE; | |
9272 | break; | |
9273 | } | |
9274 | #else | |
9ee6e8bb PB |
9275 | if (dc->pc >= 0xfffffff0 && IS_M(env)) { |
9276 | /* We always get here via a jump, so know we are not in a | |
9277 | conditional execution block. */ | |
d9ba4830 | 9278 | gen_exception(EXCP_EXCEPTION_EXIT); |
d60bb01c PB |
9279 | dc->is_jmp = DISAS_UPDATE; |
9280 | break; | |
9ee6e8bb PB |
9281 | } |
9282 | #endif | |
9283 | ||
72cf2d4f BS |
9284 | if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) { |
9285 | QTAILQ_FOREACH(bp, &env->breakpoints, entry) { | |
a1d1bb31 | 9286 | if (bp->pc == dc->pc) { |
bc4a0de0 | 9287 | gen_exception_insn(dc, 0, EXCP_DEBUG); |
9ee6e8bb PB |
9288 | /* Advance PC so that clearing the breakpoint will |
9289 | invalidate this TB. */ | |
9290 | dc->pc += 2; | |
9291 | goto done_generating; | |
1fddef4b FB |
9292 | break; |
9293 | } | |
9294 | } | |
9295 | } | |
2c0262af FB |
9296 | if (search_pc) { |
9297 | j = gen_opc_ptr - gen_opc_buf; | |
9298 | if (lj < j) { | |
9299 | lj++; | |
9300 | while (lj < j) | |
9301 | gen_opc_instr_start[lj++] = 0; | |
9302 | } | |
0fa85d43 | 9303 | gen_opc_pc[lj] = dc->pc; |
e12ce78d | 9304 | gen_opc_condexec_bits[lj] = (dc->condexec_cond << 4) | (dc->condexec_mask >> 1); |
2c0262af | 9305 | gen_opc_instr_start[lj] = 1; |
2e70f6ef | 9306 | gen_opc_icount[lj] = num_insns; |
2c0262af | 9307 | } |
e50e6a20 | 9308 | |
2e70f6ef PB |
9309 | if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) |
9310 | gen_io_start(); | |
9311 | ||
5642463a PM |
9312 | if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP))) { |
9313 | tcg_gen_debug_insn_start(dc->pc); | |
9314 | } | |
9315 | ||
7204ab88 | 9316 | if (dc->thumb) { |
9ee6e8bb PB |
9317 | disas_thumb_insn(env, dc); |
9318 | if (dc->condexec_mask) { | |
9319 | dc->condexec_cond = (dc->condexec_cond & 0xe) | |
9320 | | ((dc->condexec_mask >> 4) & 1); | |
9321 | dc->condexec_mask = (dc->condexec_mask << 1) & 0x1f; | |
9322 | if (dc->condexec_mask == 0) { | |
9323 | dc->condexec_cond = 0; | |
9324 | } | |
9325 | } | |
9326 | } else { | |
9327 | disas_arm_insn(env, dc); | |
9328 | } | |
e50e6a20 FB |
9329 | |
9330 | if (dc->condjmp && !dc->is_jmp) { | |
9331 | gen_set_label(dc->condlabel); | |
9332 | dc->condjmp = 0; | |
9333 | } | |
3849902c PM |
9334 | |
9335 | if (tcg_check_temp_count()) { | |
9336 | fprintf(stderr, "TCG temporary leak before %08x\n", dc->pc); | |
9337 | } | |
9338 | ||
aaf2d97d | 9339 | /* Translation stops when a conditional branch is encountered. |
e50e6a20 | 9340 | * Otherwise the subsequent code could get translated several times. |
b5ff1b31 | 9341 | * Also stop translation when a page boundary is reached. This |
bf20dc07 | 9342 | * ensures prefetch aborts occur at the right place. */ |
2e70f6ef | 9343 | num_insns ++; |
1fddef4b FB |
9344 | } while (!dc->is_jmp && gen_opc_ptr < gen_opc_end && |
9345 | !env->singlestep_enabled && | |
1b530a6d | 9346 | !singlestep && |
2e70f6ef PB |
9347 | dc->pc < next_page_start && |
9348 | num_insns < max_insns); | |
9349 | ||
9350 | if (tb->cflags & CF_LAST_IO) { | |
9351 | if (dc->condjmp) { | |
9352 | /* FIXME: This can theoretically happen with self-modifying | |
9353 | code. */ | |
9354 | cpu_abort(env, "IO on conditional branch instruction"); | |
9355 | } | |
9356 | gen_io_end(); | |
9357 | } | |
9ee6e8bb | 9358 | |
b5ff1b31 | 9359 | /* At this stage dc->condjmp will only be set when the skipped |
9ee6e8bb PB |
9360 | instruction was a conditional branch or trap, and the PC has |
9361 | already been written. */ | |
551bd27f | 9362 | if (unlikely(env->singlestep_enabled)) { |
8aaca4c0 | 9363 | /* Make sure the pc is updated, and raise a debug exception. */ |
e50e6a20 | 9364 | if (dc->condjmp) { |
9ee6e8bb PB |
9365 | gen_set_condexec(dc); |
9366 | if (dc->is_jmp == DISAS_SWI) { | |
d9ba4830 | 9367 | gen_exception(EXCP_SWI); |
9ee6e8bb | 9368 | } else { |
d9ba4830 | 9369 | gen_exception(EXCP_DEBUG); |
9ee6e8bb | 9370 | } |
e50e6a20 FB |
9371 | gen_set_label(dc->condlabel); |
9372 | } | |
9373 | if (dc->condjmp || !dc->is_jmp) { | |
5e3f878a | 9374 | gen_set_pc_im(dc->pc); |
e50e6a20 | 9375 | dc->condjmp = 0; |
8aaca4c0 | 9376 | } |
9ee6e8bb PB |
9377 | gen_set_condexec(dc); |
9378 | if (dc->is_jmp == DISAS_SWI && !dc->condjmp) { | |
d9ba4830 | 9379 | gen_exception(EXCP_SWI); |
9ee6e8bb PB |
9380 | } else { |
9381 | /* FIXME: Single stepping a WFI insn will not halt | |
9382 | the CPU. */ | |
d9ba4830 | 9383 | gen_exception(EXCP_DEBUG); |
9ee6e8bb | 9384 | } |
8aaca4c0 | 9385 | } else { |
9ee6e8bb PB |
9386 | /* While branches must always occur at the end of an IT block, |
9387 | there are a few other things that can cause us to terminate | |
9388 | the TB in the middel of an IT block: | |
9389 | - Exception generating instructions (bkpt, swi, undefined). | |
9390 | - Page boundaries. | |
9391 | - Hardware watchpoints. | |
9392 | Hardware breakpoints have already been handled and skip this code. | |
9393 | */ | |
9394 | gen_set_condexec(dc); | |
8aaca4c0 | 9395 | switch(dc->is_jmp) { |
8aaca4c0 | 9396 | case DISAS_NEXT: |
6e256c93 | 9397 | gen_goto_tb(dc, 1, dc->pc); |
8aaca4c0 FB |
9398 | break; |
9399 | default: | |
9400 | case DISAS_JUMP: | |
9401 | case DISAS_UPDATE: | |
9402 | /* indicate that the hash table must be used to find the next TB */ | |
57fec1fe | 9403 | tcg_gen_exit_tb(0); |
8aaca4c0 FB |
9404 | break; |
9405 | case DISAS_TB_JUMP: | |
9406 | /* nothing more to generate */ | |
9407 | break; | |
9ee6e8bb | 9408 | case DISAS_WFI: |
d9ba4830 | 9409 | gen_helper_wfi(); |
9ee6e8bb PB |
9410 | break; |
9411 | case DISAS_SWI: | |
d9ba4830 | 9412 | gen_exception(EXCP_SWI); |
9ee6e8bb | 9413 | break; |
8aaca4c0 | 9414 | } |
e50e6a20 FB |
9415 | if (dc->condjmp) { |
9416 | gen_set_label(dc->condlabel); | |
9ee6e8bb | 9417 | gen_set_condexec(dc); |
6e256c93 | 9418 | gen_goto_tb(dc, 1, dc->pc); |
e50e6a20 FB |
9419 | dc->condjmp = 0; |
9420 | } | |
2c0262af | 9421 | } |
2e70f6ef | 9422 | |
9ee6e8bb | 9423 | done_generating: |
2e70f6ef | 9424 | gen_icount_end(tb, num_insns); |
2c0262af FB |
9425 | *gen_opc_ptr = INDEX_op_end; |
9426 | ||
9427 | #ifdef DEBUG_DISAS | |
8fec2b8c | 9428 | if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { |
93fcfe39 AL |
9429 | qemu_log("----------------\n"); |
9430 | qemu_log("IN: %s\n", lookup_symbol(pc_start)); | |
7204ab88 | 9431 | log_target_disas(pc_start, dc->pc - pc_start, dc->thumb); |
93fcfe39 | 9432 | qemu_log("\n"); |
2c0262af FB |
9433 | } |
9434 | #endif | |
b5ff1b31 FB |
9435 | if (search_pc) { |
9436 | j = gen_opc_ptr - gen_opc_buf; | |
9437 | lj++; | |
9438 | while (lj <= j) | |
9439 | gen_opc_instr_start[lj++] = 0; | |
b5ff1b31 | 9440 | } else { |
2c0262af | 9441 | tb->size = dc->pc - pc_start; |
2e70f6ef | 9442 | tb->icount = num_insns; |
b5ff1b31 | 9443 | } |
2c0262af FB |
9444 | } |
9445 | ||
2cfc5f17 | 9446 | void gen_intermediate_code(CPUState *env, TranslationBlock *tb) |
2c0262af | 9447 | { |
2cfc5f17 | 9448 | gen_intermediate_code_internal(env, tb, 0); |
2c0262af FB |
9449 | } |
9450 | ||
2cfc5f17 | 9451 | void gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb) |
2c0262af | 9452 | { |
2cfc5f17 | 9453 | gen_intermediate_code_internal(env, tb, 1); |
2c0262af FB |
9454 | } |
9455 | ||
b5ff1b31 FB |
9456 | static const char *cpu_mode_names[16] = { |
9457 | "usr", "fiq", "irq", "svc", "???", "???", "???", "abt", | |
9458 | "???", "???", "???", "und", "???", "???", "???", "sys" | |
9459 | }; | |
9ee6e8bb | 9460 | |
9a78eead | 9461 | void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf, |
7fe48483 | 9462 | int flags) |
2c0262af FB |
9463 | { |
9464 | int i; | |
06e80fc9 | 9465 | #if 0 |
bc380d17 | 9466 | union { |
b7bcbe95 FB |
9467 | uint32_t i; |
9468 | float s; | |
9469 | } s0, s1; | |
9470 | CPU_DoubleU d; | |
a94a6abf PB |
9471 | /* ??? This assumes float64 and double have the same layout. |
9472 | Oh well, it's only debug dumps. */ | |
9473 | union { | |
9474 | float64 f64; | |
9475 | double d; | |
9476 | } d0; | |
06e80fc9 | 9477 | #endif |
b5ff1b31 | 9478 | uint32_t psr; |
2c0262af FB |
9479 | |
9480 | for(i=0;i<16;i++) { | |
7fe48483 | 9481 | cpu_fprintf(f, "R%02d=%08x", i, env->regs[i]); |
2c0262af | 9482 | if ((i % 4) == 3) |
7fe48483 | 9483 | cpu_fprintf(f, "\n"); |
2c0262af | 9484 | else |
7fe48483 | 9485 | cpu_fprintf(f, " "); |
2c0262af | 9486 | } |
b5ff1b31 | 9487 | psr = cpsr_read(env); |
687fa640 TS |
9488 | cpu_fprintf(f, "PSR=%08x %c%c%c%c %c %s%d\n", |
9489 | psr, | |
b5ff1b31 FB |
9490 | psr & (1 << 31) ? 'N' : '-', |
9491 | psr & (1 << 30) ? 'Z' : '-', | |
9492 | psr & (1 << 29) ? 'C' : '-', | |
9493 | psr & (1 << 28) ? 'V' : '-', | |
5fafdf24 | 9494 | psr & CPSR_T ? 'T' : 'A', |
b5ff1b31 | 9495 | cpu_mode_names[psr & 0xf], (psr & 0x10) ? 32 : 26); |
b7bcbe95 | 9496 | |
5e3f878a | 9497 | #if 0 |
b7bcbe95 | 9498 | for (i = 0; i < 16; i++) { |
8e96005d FB |
9499 | d.d = env->vfp.regs[i]; |
9500 | s0.i = d.l.lower; | |
9501 | s1.i = d.l.upper; | |
a94a6abf PB |
9502 | d0.f64 = d.d; |
9503 | cpu_fprintf(f, "s%02d=%08x(%8g) s%02d=%08x(%8g) d%02d=%08x%08x(%8g)\n", | |
b7bcbe95 | 9504 | i * 2, (int)s0.i, s0.s, |
a94a6abf | 9505 | i * 2 + 1, (int)s1.i, s1.s, |
b7bcbe95 | 9506 | i, (int)(uint32_t)d.l.upper, (int)(uint32_t)d.l.lower, |
a94a6abf | 9507 | d0.d); |
b7bcbe95 | 9508 | } |
40f137e1 | 9509 | cpu_fprintf(f, "FPSCR: %08x\n", (int)env->vfp.xregs[ARM_VFP_FPSCR]); |
5e3f878a | 9510 | #endif |
2c0262af | 9511 | } |
a6b025d3 | 9512 | |
d2856f1a AJ |
9513 | void gen_pc_load(CPUState *env, TranslationBlock *tb, |
9514 | unsigned long searched_pc, int pc_pos, void *puc) | |
9515 | { | |
9516 | env->regs[15] = gen_opc_pc[pc_pos]; | |
e12ce78d | 9517 | env->condexec_bits = gen_opc_condexec_bits[pc_pos]; |
d2856f1a | 9518 | } |