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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 | ||
b26eefb6 | 131 | static int num_temps; |
b26eefb6 PB |
132 | |
133 | /* Allocate a temporary variable. */ | |
a7812ae4 | 134 | static TCGv_i32 new_tmp(void) |
b26eefb6 | 135 | { |
12edd4f2 FN |
136 | num_temps++; |
137 | return tcg_temp_new_i32(); | |
b26eefb6 PB |
138 | } |
139 | ||
140 | /* Release a temporary variable. */ | |
141 | static void dead_tmp(TCGv tmp) | |
142 | { | |
12edd4f2 | 143 | tcg_temp_free(tmp); |
b26eefb6 | 144 | num_temps--; |
b26eefb6 PB |
145 | } |
146 | ||
d9ba4830 PB |
147 | static inline TCGv load_cpu_offset(int offset) |
148 | { | |
149 | TCGv tmp = new_tmp(); | |
150 | tcg_gen_ld_i32(tmp, cpu_env, offset); | |
151 | return tmp; | |
152 | } | |
153 | ||
154 | #define load_cpu_field(name) load_cpu_offset(offsetof(CPUState, name)) | |
155 | ||
156 | static inline void store_cpu_offset(TCGv var, int offset) | |
157 | { | |
158 | tcg_gen_st_i32(var, cpu_env, offset); | |
159 | dead_tmp(var); | |
160 | } | |
161 | ||
162 | #define store_cpu_field(var, name) \ | |
163 | store_cpu_offset(var, offsetof(CPUState, name)) | |
164 | ||
b26eefb6 PB |
165 | /* Set a variable to the value of a CPU register. */ |
166 | static void load_reg_var(DisasContext *s, TCGv var, int reg) | |
167 | { | |
168 | if (reg == 15) { | |
169 | uint32_t addr; | |
170 | /* normaly, since we updated PC, we need only to add one insn */ | |
171 | if (s->thumb) | |
172 | addr = (long)s->pc + 2; | |
173 | else | |
174 | addr = (long)s->pc + 4; | |
175 | tcg_gen_movi_i32(var, addr); | |
176 | } else { | |
155c3eac | 177 | tcg_gen_mov_i32(var, cpu_R[reg]); |
b26eefb6 PB |
178 | } |
179 | } | |
180 | ||
181 | /* Create a new temporary and set it to the value of a CPU register. */ | |
182 | static inline TCGv load_reg(DisasContext *s, int reg) | |
183 | { | |
184 | TCGv tmp = new_tmp(); | |
185 | load_reg_var(s, tmp, reg); | |
186 | return tmp; | |
187 | } | |
188 | ||
189 | /* Set a CPU register. The source must be a temporary and will be | |
190 | marked as dead. */ | |
191 | static void store_reg(DisasContext *s, int reg, TCGv var) | |
192 | { | |
193 | if (reg == 15) { | |
194 | tcg_gen_andi_i32(var, var, ~1); | |
195 | s->is_jmp = DISAS_JUMP; | |
196 | } | |
155c3eac | 197 | tcg_gen_mov_i32(cpu_R[reg], var); |
b26eefb6 PB |
198 | dead_tmp(var); |
199 | } | |
200 | ||
b26eefb6 | 201 | /* Value extensions. */ |
86831435 PB |
202 | #define gen_uxtb(var) tcg_gen_ext8u_i32(var, var) |
203 | #define gen_uxth(var) tcg_gen_ext16u_i32(var, var) | |
b26eefb6 PB |
204 | #define gen_sxtb(var) tcg_gen_ext8s_i32(var, var) |
205 | #define gen_sxth(var) tcg_gen_ext16s_i32(var, var) | |
206 | ||
1497c961 PB |
207 | #define gen_sxtb16(var) gen_helper_sxtb16(var, var) |
208 | #define gen_uxtb16(var) gen_helper_uxtb16(var, var) | |
8f01245e | 209 | |
b26eefb6 | 210 | |
b75263d6 JR |
211 | static inline void gen_set_cpsr(TCGv var, uint32_t mask) |
212 | { | |
213 | TCGv tmp_mask = tcg_const_i32(mask); | |
214 | gen_helper_cpsr_write(var, tmp_mask); | |
215 | tcg_temp_free_i32(tmp_mask); | |
216 | } | |
d9ba4830 PB |
217 | /* Set NZCV flags from the high 4 bits of var. */ |
218 | #define gen_set_nzcv(var) gen_set_cpsr(var, CPSR_NZCV) | |
219 | ||
220 | static void gen_exception(int excp) | |
221 | { | |
222 | TCGv tmp = new_tmp(); | |
223 | tcg_gen_movi_i32(tmp, excp); | |
224 | gen_helper_exception(tmp); | |
225 | dead_tmp(tmp); | |
226 | } | |
227 | ||
3670669c PB |
228 | static void gen_smul_dual(TCGv a, TCGv b) |
229 | { | |
230 | TCGv tmp1 = new_tmp(); | |
231 | TCGv tmp2 = new_tmp(); | |
22478e79 AZ |
232 | tcg_gen_ext16s_i32(tmp1, a); |
233 | tcg_gen_ext16s_i32(tmp2, b); | |
3670669c PB |
234 | tcg_gen_mul_i32(tmp1, tmp1, tmp2); |
235 | dead_tmp(tmp2); | |
236 | tcg_gen_sari_i32(a, a, 16); | |
237 | tcg_gen_sari_i32(b, b, 16); | |
238 | tcg_gen_mul_i32(b, b, a); | |
239 | tcg_gen_mov_i32(a, tmp1); | |
240 | dead_tmp(tmp1); | |
241 | } | |
242 | ||
243 | /* Byteswap each halfword. */ | |
244 | static void gen_rev16(TCGv var) | |
245 | { | |
246 | TCGv tmp = new_tmp(); | |
247 | tcg_gen_shri_i32(tmp, var, 8); | |
248 | tcg_gen_andi_i32(tmp, tmp, 0x00ff00ff); | |
249 | tcg_gen_shli_i32(var, var, 8); | |
250 | tcg_gen_andi_i32(var, var, 0xff00ff00); | |
251 | tcg_gen_or_i32(var, var, tmp); | |
252 | dead_tmp(tmp); | |
253 | } | |
254 | ||
255 | /* Byteswap low halfword and sign extend. */ | |
256 | static void gen_revsh(TCGv var) | |
257 | { | |
1a855029 AJ |
258 | tcg_gen_ext16u_i32(var, var); |
259 | tcg_gen_bswap16_i32(var, var); | |
260 | tcg_gen_ext16s_i32(var, var); | |
3670669c PB |
261 | } |
262 | ||
263 | /* Unsigned bitfield extract. */ | |
264 | static void gen_ubfx(TCGv var, int shift, uint32_t mask) | |
265 | { | |
266 | if (shift) | |
267 | tcg_gen_shri_i32(var, var, shift); | |
268 | tcg_gen_andi_i32(var, var, mask); | |
269 | } | |
270 | ||
271 | /* Signed bitfield extract. */ | |
272 | static void gen_sbfx(TCGv var, int shift, int width) | |
273 | { | |
274 | uint32_t signbit; | |
275 | ||
276 | if (shift) | |
277 | tcg_gen_sari_i32(var, var, shift); | |
278 | if (shift + width < 32) { | |
279 | signbit = 1u << (width - 1); | |
280 | tcg_gen_andi_i32(var, var, (1u << width) - 1); | |
281 | tcg_gen_xori_i32(var, var, signbit); | |
282 | tcg_gen_subi_i32(var, var, signbit); | |
283 | } | |
284 | } | |
285 | ||
286 | /* Bitfield insertion. Insert val into base. Clobbers base and val. */ | |
287 | static void gen_bfi(TCGv dest, TCGv base, TCGv val, int shift, uint32_t mask) | |
288 | { | |
3670669c | 289 | tcg_gen_andi_i32(val, val, mask); |
8f8e3aa4 PB |
290 | tcg_gen_shli_i32(val, val, shift); |
291 | tcg_gen_andi_i32(base, base, ~(mask << shift)); | |
3670669c PB |
292 | tcg_gen_or_i32(dest, base, val); |
293 | } | |
294 | ||
838fa72d AJ |
295 | /* Return (b << 32) + a. Mark inputs as dead */ |
296 | static TCGv_i64 gen_addq_msw(TCGv_i64 a, TCGv b) | |
3670669c | 297 | { |
838fa72d AJ |
298 | TCGv_i64 tmp64 = tcg_temp_new_i64(); |
299 | ||
300 | tcg_gen_extu_i32_i64(tmp64, b); | |
301 | dead_tmp(b); | |
302 | tcg_gen_shli_i64(tmp64, tmp64, 32); | |
303 | tcg_gen_add_i64(a, tmp64, a); | |
304 | ||
305 | tcg_temp_free_i64(tmp64); | |
306 | return a; | |
307 | } | |
308 | ||
309 | /* Return (b << 32) - a. Mark inputs as dead. */ | |
310 | static TCGv_i64 gen_subq_msw(TCGv_i64 a, TCGv b) | |
311 | { | |
312 | TCGv_i64 tmp64 = tcg_temp_new_i64(); | |
313 | ||
314 | tcg_gen_extu_i32_i64(tmp64, b); | |
315 | dead_tmp(b); | |
316 | tcg_gen_shli_i64(tmp64, tmp64, 32); | |
317 | tcg_gen_sub_i64(a, tmp64, a); | |
318 | ||
319 | tcg_temp_free_i64(tmp64); | |
320 | return a; | |
3670669c PB |
321 | } |
322 | ||
8f01245e PB |
323 | /* FIXME: Most targets have native widening multiplication. |
324 | It would be good to use that instead of a full wide multiply. */ | |
5e3f878a | 325 | /* 32x32->64 multiply. Marks inputs as dead. */ |
a7812ae4 | 326 | static TCGv_i64 gen_mulu_i64_i32(TCGv a, TCGv b) |
5e3f878a | 327 | { |
a7812ae4 PB |
328 | TCGv_i64 tmp1 = tcg_temp_new_i64(); |
329 | TCGv_i64 tmp2 = tcg_temp_new_i64(); | |
5e3f878a PB |
330 | |
331 | tcg_gen_extu_i32_i64(tmp1, a); | |
332 | dead_tmp(a); | |
333 | tcg_gen_extu_i32_i64(tmp2, b); | |
334 | dead_tmp(b); | |
335 | tcg_gen_mul_i64(tmp1, tmp1, tmp2); | |
b75263d6 | 336 | tcg_temp_free_i64(tmp2); |
5e3f878a PB |
337 | return tmp1; |
338 | } | |
339 | ||
a7812ae4 | 340 | static TCGv_i64 gen_muls_i64_i32(TCGv a, TCGv b) |
5e3f878a | 341 | { |
a7812ae4 PB |
342 | TCGv_i64 tmp1 = tcg_temp_new_i64(); |
343 | TCGv_i64 tmp2 = tcg_temp_new_i64(); | |
5e3f878a PB |
344 | |
345 | tcg_gen_ext_i32_i64(tmp1, a); | |
346 | dead_tmp(a); | |
347 | tcg_gen_ext_i32_i64(tmp2, b); | |
348 | dead_tmp(b); | |
349 | tcg_gen_mul_i64(tmp1, tmp1, tmp2); | |
b75263d6 | 350 | tcg_temp_free_i64(tmp2); |
5e3f878a PB |
351 | return tmp1; |
352 | } | |
353 | ||
8f01245e PB |
354 | /* Swap low and high halfwords. */ |
355 | static void gen_swap_half(TCGv var) | |
356 | { | |
357 | TCGv tmp = new_tmp(); | |
358 | tcg_gen_shri_i32(tmp, var, 16); | |
359 | tcg_gen_shli_i32(var, var, 16); | |
360 | tcg_gen_or_i32(var, var, tmp); | |
3670669c | 361 | dead_tmp(tmp); |
8f01245e PB |
362 | } |
363 | ||
b26eefb6 PB |
364 | /* Dual 16-bit add. Result placed in t0 and t1 is marked as dead. |
365 | tmp = (t0 ^ t1) & 0x8000; | |
366 | t0 &= ~0x8000; | |
367 | t1 &= ~0x8000; | |
368 | t0 = (t0 + t1) ^ tmp; | |
369 | */ | |
370 | ||
371 | static void gen_add16(TCGv t0, TCGv t1) | |
372 | { | |
373 | TCGv tmp = new_tmp(); | |
374 | tcg_gen_xor_i32(tmp, t0, t1); | |
375 | tcg_gen_andi_i32(tmp, tmp, 0x8000); | |
376 | tcg_gen_andi_i32(t0, t0, ~0x8000); | |
377 | tcg_gen_andi_i32(t1, t1, ~0x8000); | |
378 | tcg_gen_add_i32(t0, t0, t1); | |
379 | tcg_gen_xor_i32(t0, t0, tmp); | |
380 | dead_tmp(tmp); | |
381 | dead_tmp(t1); | |
382 | } | |
383 | ||
9a119ff6 PB |
384 | #define gen_set_CF(var) tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, CF)) |
385 | ||
b26eefb6 PB |
386 | /* Set CF to the top bit of var. */ |
387 | static void gen_set_CF_bit31(TCGv var) | |
388 | { | |
389 | TCGv tmp = new_tmp(); | |
390 | tcg_gen_shri_i32(tmp, var, 31); | |
4cc633c3 | 391 | gen_set_CF(tmp); |
b26eefb6 PB |
392 | dead_tmp(tmp); |
393 | } | |
394 | ||
395 | /* Set N and Z flags from var. */ | |
396 | static inline void gen_logic_CC(TCGv var) | |
397 | { | |
6fbe23d5 PB |
398 | tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, NF)); |
399 | tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, ZF)); | |
b26eefb6 PB |
400 | } |
401 | ||
402 | /* T0 += T1 + CF. */ | |
396e467c | 403 | static void gen_adc(TCGv t0, TCGv t1) |
b26eefb6 | 404 | { |
d9ba4830 | 405 | TCGv tmp; |
396e467c | 406 | tcg_gen_add_i32(t0, t0, t1); |
d9ba4830 | 407 | tmp = load_cpu_field(CF); |
396e467c | 408 | tcg_gen_add_i32(t0, t0, tmp); |
b26eefb6 PB |
409 | dead_tmp(tmp); |
410 | } | |
411 | ||
e9bb4aa9 JR |
412 | /* dest = T0 + T1 + CF. */ |
413 | static void gen_add_carry(TCGv dest, TCGv t0, TCGv t1) | |
414 | { | |
415 | TCGv tmp; | |
416 | tcg_gen_add_i32(dest, t0, t1); | |
417 | tmp = load_cpu_field(CF); | |
418 | tcg_gen_add_i32(dest, dest, tmp); | |
419 | dead_tmp(tmp); | |
420 | } | |
421 | ||
3670669c PB |
422 | /* dest = T0 - T1 + CF - 1. */ |
423 | static void gen_sub_carry(TCGv dest, TCGv t0, TCGv t1) | |
424 | { | |
d9ba4830 | 425 | TCGv tmp; |
3670669c | 426 | tcg_gen_sub_i32(dest, t0, t1); |
d9ba4830 | 427 | tmp = load_cpu_field(CF); |
3670669c PB |
428 | tcg_gen_add_i32(dest, dest, tmp); |
429 | tcg_gen_subi_i32(dest, dest, 1); | |
430 | dead_tmp(tmp); | |
431 | } | |
432 | ||
ad69471c PB |
433 | /* FIXME: Implement this natively. */ |
434 | #define tcg_gen_abs_i32(t0, t1) gen_helper_abs(t0, t1) | |
435 | ||
9a119ff6 | 436 | static void shifter_out_im(TCGv var, int shift) |
b26eefb6 | 437 | { |
9a119ff6 PB |
438 | TCGv tmp = new_tmp(); |
439 | if (shift == 0) { | |
440 | tcg_gen_andi_i32(tmp, var, 1); | |
b26eefb6 | 441 | } else { |
9a119ff6 | 442 | tcg_gen_shri_i32(tmp, var, shift); |
4cc633c3 | 443 | if (shift != 31) |
9a119ff6 PB |
444 | tcg_gen_andi_i32(tmp, tmp, 1); |
445 | } | |
446 | gen_set_CF(tmp); | |
447 | dead_tmp(tmp); | |
448 | } | |
b26eefb6 | 449 | |
9a119ff6 PB |
450 | /* Shift by immediate. Includes special handling for shift == 0. */ |
451 | static inline void gen_arm_shift_im(TCGv var, int shiftop, int shift, int flags) | |
452 | { | |
453 | switch (shiftop) { | |
454 | case 0: /* LSL */ | |
455 | if (shift != 0) { | |
456 | if (flags) | |
457 | shifter_out_im(var, 32 - shift); | |
458 | tcg_gen_shli_i32(var, var, shift); | |
459 | } | |
460 | break; | |
461 | case 1: /* LSR */ | |
462 | if (shift == 0) { | |
463 | if (flags) { | |
464 | tcg_gen_shri_i32(var, var, 31); | |
465 | gen_set_CF(var); | |
466 | } | |
467 | tcg_gen_movi_i32(var, 0); | |
468 | } else { | |
469 | if (flags) | |
470 | shifter_out_im(var, shift - 1); | |
471 | tcg_gen_shri_i32(var, var, shift); | |
472 | } | |
473 | break; | |
474 | case 2: /* ASR */ | |
475 | if (shift == 0) | |
476 | shift = 32; | |
477 | if (flags) | |
478 | shifter_out_im(var, shift - 1); | |
479 | if (shift == 32) | |
480 | shift = 31; | |
481 | tcg_gen_sari_i32(var, var, shift); | |
482 | break; | |
483 | case 3: /* ROR/RRX */ | |
484 | if (shift != 0) { | |
485 | if (flags) | |
486 | shifter_out_im(var, shift - 1); | |
f669df27 | 487 | tcg_gen_rotri_i32(var, var, shift); break; |
9a119ff6 | 488 | } else { |
d9ba4830 | 489 | TCGv tmp = load_cpu_field(CF); |
9a119ff6 PB |
490 | if (flags) |
491 | shifter_out_im(var, 0); | |
492 | tcg_gen_shri_i32(var, var, 1); | |
b26eefb6 PB |
493 | tcg_gen_shli_i32(tmp, tmp, 31); |
494 | tcg_gen_or_i32(var, var, tmp); | |
495 | dead_tmp(tmp); | |
b26eefb6 PB |
496 | } |
497 | } | |
498 | }; | |
499 | ||
8984bd2e PB |
500 | static inline void gen_arm_shift_reg(TCGv var, int shiftop, |
501 | TCGv shift, int flags) | |
502 | { | |
503 | if (flags) { | |
504 | switch (shiftop) { | |
505 | case 0: gen_helper_shl_cc(var, var, shift); break; | |
506 | case 1: gen_helper_shr_cc(var, var, shift); break; | |
507 | case 2: gen_helper_sar_cc(var, var, shift); break; | |
508 | case 3: gen_helper_ror_cc(var, var, shift); break; | |
509 | } | |
510 | } else { | |
511 | switch (shiftop) { | |
512 | case 0: gen_helper_shl(var, var, shift); break; | |
513 | case 1: gen_helper_shr(var, var, shift); break; | |
514 | case 2: gen_helper_sar(var, var, shift); break; | |
f669df27 AJ |
515 | case 3: tcg_gen_andi_i32(shift, shift, 0x1f); |
516 | tcg_gen_rotr_i32(var, var, shift); break; | |
8984bd2e PB |
517 | } |
518 | } | |
519 | dead_tmp(shift); | |
520 | } | |
521 | ||
6ddbc6e4 PB |
522 | #define PAS_OP(pfx) \ |
523 | switch (op2) { \ | |
524 | case 0: gen_pas_helper(glue(pfx,add16)); break; \ | |
525 | case 1: gen_pas_helper(glue(pfx,addsubx)); break; \ | |
526 | case 2: gen_pas_helper(glue(pfx,subaddx)); break; \ | |
527 | case 3: gen_pas_helper(glue(pfx,sub16)); break; \ | |
528 | case 4: gen_pas_helper(glue(pfx,add8)); break; \ | |
529 | case 7: gen_pas_helper(glue(pfx,sub8)); break; \ | |
530 | } | |
d9ba4830 | 531 | static void gen_arm_parallel_addsub(int op1, int op2, TCGv a, TCGv b) |
6ddbc6e4 | 532 | { |
a7812ae4 | 533 | TCGv_ptr tmp; |
6ddbc6e4 PB |
534 | |
535 | switch (op1) { | |
536 | #define gen_pas_helper(name) glue(gen_helper_,name)(a, a, b, tmp) | |
537 | case 1: | |
a7812ae4 | 538 | tmp = tcg_temp_new_ptr(); |
6ddbc6e4 PB |
539 | tcg_gen_addi_ptr(tmp, cpu_env, offsetof(CPUState, GE)); |
540 | PAS_OP(s) | |
b75263d6 | 541 | tcg_temp_free_ptr(tmp); |
6ddbc6e4 PB |
542 | break; |
543 | case 5: | |
a7812ae4 | 544 | tmp = tcg_temp_new_ptr(); |
6ddbc6e4 PB |
545 | tcg_gen_addi_ptr(tmp, cpu_env, offsetof(CPUState, GE)); |
546 | PAS_OP(u) | |
b75263d6 | 547 | tcg_temp_free_ptr(tmp); |
6ddbc6e4 PB |
548 | break; |
549 | #undef gen_pas_helper | |
550 | #define gen_pas_helper(name) glue(gen_helper_,name)(a, a, b) | |
551 | case 2: | |
552 | PAS_OP(q); | |
553 | break; | |
554 | case 3: | |
555 | PAS_OP(sh); | |
556 | break; | |
557 | case 6: | |
558 | PAS_OP(uq); | |
559 | break; | |
560 | case 7: | |
561 | PAS_OP(uh); | |
562 | break; | |
563 | #undef gen_pas_helper | |
564 | } | |
565 | } | |
9ee6e8bb PB |
566 | #undef PAS_OP |
567 | ||
6ddbc6e4 PB |
568 | /* For unknown reasons Arm and Thumb-2 use arbitrarily different encodings. */ |
569 | #define PAS_OP(pfx) \ | |
ed89a2f1 | 570 | switch (op1) { \ |
6ddbc6e4 PB |
571 | case 0: gen_pas_helper(glue(pfx,add8)); break; \ |
572 | case 1: gen_pas_helper(glue(pfx,add16)); break; \ | |
573 | case 2: gen_pas_helper(glue(pfx,addsubx)); break; \ | |
574 | case 4: gen_pas_helper(glue(pfx,sub8)); break; \ | |
575 | case 5: gen_pas_helper(glue(pfx,sub16)); break; \ | |
576 | case 6: gen_pas_helper(glue(pfx,subaddx)); break; \ | |
577 | } | |
d9ba4830 | 578 | static void gen_thumb2_parallel_addsub(int op1, int op2, TCGv a, TCGv b) |
6ddbc6e4 | 579 | { |
a7812ae4 | 580 | TCGv_ptr tmp; |
6ddbc6e4 | 581 | |
ed89a2f1 | 582 | switch (op2) { |
6ddbc6e4 PB |
583 | #define gen_pas_helper(name) glue(gen_helper_,name)(a, a, b, tmp) |
584 | case 0: | |
a7812ae4 | 585 | tmp = tcg_temp_new_ptr(); |
6ddbc6e4 PB |
586 | tcg_gen_addi_ptr(tmp, cpu_env, offsetof(CPUState, GE)); |
587 | PAS_OP(s) | |
b75263d6 | 588 | tcg_temp_free_ptr(tmp); |
6ddbc6e4 PB |
589 | break; |
590 | case 4: | |
a7812ae4 | 591 | tmp = tcg_temp_new_ptr(); |
6ddbc6e4 PB |
592 | tcg_gen_addi_ptr(tmp, cpu_env, offsetof(CPUState, GE)); |
593 | PAS_OP(u) | |
b75263d6 | 594 | tcg_temp_free_ptr(tmp); |
6ddbc6e4 PB |
595 | break; |
596 | #undef gen_pas_helper | |
597 | #define gen_pas_helper(name) glue(gen_helper_,name)(a, a, b) | |
598 | case 1: | |
599 | PAS_OP(q); | |
600 | break; | |
601 | case 2: | |
602 | PAS_OP(sh); | |
603 | break; | |
604 | case 5: | |
605 | PAS_OP(uq); | |
606 | break; | |
607 | case 6: | |
608 | PAS_OP(uh); | |
609 | break; | |
610 | #undef gen_pas_helper | |
611 | } | |
612 | } | |
9ee6e8bb PB |
613 | #undef PAS_OP |
614 | ||
d9ba4830 PB |
615 | static void gen_test_cc(int cc, int label) |
616 | { | |
617 | TCGv tmp; | |
618 | TCGv tmp2; | |
d9ba4830 PB |
619 | int inv; |
620 | ||
d9ba4830 PB |
621 | switch (cc) { |
622 | case 0: /* eq: Z */ | |
6fbe23d5 | 623 | tmp = load_cpu_field(ZF); |
cb63669a | 624 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); |
d9ba4830 PB |
625 | break; |
626 | case 1: /* ne: !Z */ | |
6fbe23d5 | 627 | tmp = load_cpu_field(ZF); |
cb63669a | 628 | tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label); |
d9ba4830 PB |
629 | break; |
630 | case 2: /* cs: C */ | |
631 | tmp = load_cpu_field(CF); | |
cb63669a | 632 | tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label); |
d9ba4830 PB |
633 | break; |
634 | case 3: /* cc: !C */ | |
635 | tmp = load_cpu_field(CF); | |
cb63669a | 636 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); |
d9ba4830 PB |
637 | break; |
638 | case 4: /* mi: N */ | |
6fbe23d5 | 639 | tmp = load_cpu_field(NF); |
cb63669a | 640 | tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label); |
d9ba4830 PB |
641 | break; |
642 | case 5: /* pl: !N */ | |
6fbe23d5 | 643 | tmp = load_cpu_field(NF); |
cb63669a | 644 | tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label); |
d9ba4830 PB |
645 | break; |
646 | case 6: /* vs: V */ | |
647 | tmp = load_cpu_field(VF); | |
cb63669a | 648 | tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label); |
d9ba4830 PB |
649 | break; |
650 | case 7: /* vc: !V */ | |
651 | tmp = load_cpu_field(VF); | |
cb63669a | 652 | tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label); |
d9ba4830 PB |
653 | break; |
654 | case 8: /* hi: C && !Z */ | |
655 | inv = gen_new_label(); | |
656 | tmp = load_cpu_field(CF); | |
cb63669a | 657 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, inv); |
d9ba4830 | 658 | dead_tmp(tmp); |
6fbe23d5 | 659 | tmp = load_cpu_field(ZF); |
cb63669a | 660 | tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, label); |
d9ba4830 PB |
661 | gen_set_label(inv); |
662 | break; | |
663 | case 9: /* ls: !C || Z */ | |
664 | tmp = load_cpu_field(CF); | |
cb63669a | 665 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); |
d9ba4830 | 666 | dead_tmp(tmp); |
6fbe23d5 | 667 | tmp = load_cpu_field(ZF); |
cb63669a | 668 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); |
d9ba4830 PB |
669 | break; |
670 | case 10: /* ge: N == V -> N ^ V == 0 */ | |
671 | tmp = load_cpu_field(VF); | |
6fbe23d5 | 672 | tmp2 = load_cpu_field(NF); |
d9ba4830 PB |
673 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
674 | dead_tmp(tmp2); | |
cb63669a | 675 | tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label); |
d9ba4830 PB |
676 | break; |
677 | case 11: /* lt: N != V -> N ^ V != 0 */ | |
678 | tmp = load_cpu_field(VF); | |
6fbe23d5 | 679 | tmp2 = load_cpu_field(NF); |
d9ba4830 PB |
680 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
681 | dead_tmp(tmp2); | |
cb63669a | 682 | tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label); |
d9ba4830 PB |
683 | break; |
684 | case 12: /* gt: !Z && N == V */ | |
685 | inv = gen_new_label(); | |
6fbe23d5 | 686 | tmp = load_cpu_field(ZF); |
cb63669a | 687 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, inv); |
d9ba4830 PB |
688 | dead_tmp(tmp); |
689 | tmp = load_cpu_field(VF); | |
6fbe23d5 | 690 | tmp2 = load_cpu_field(NF); |
d9ba4830 PB |
691 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
692 | dead_tmp(tmp2); | |
cb63669a | 693 | tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, label); |
d9ba4830 PB |
694 | gen_set_label(inv); |
695 | break; | |
696 | case 13: /* le: Z || N != V */ | |
6fbe23d5 | 697 | tmp = load_cpu_field(ZF); |
cb63669a | 698 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, label); |
d9ba4830 PB |
699 | dead_tmp(tmp); |
700 | tmp = load_cpu_field(VF); | |
6fbe23d5 | 701 | tmp2 = load_cpu_field(NF); |
d9ba4830 PB |
702 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
703 | dead_tmp(tmp2); | |
cb63669a | 704 | tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, label); |
d9ba4830 PB |
705 | break; |
706 | default: | |
707 | fprintf(stderr, "Bad condition code 0x%x\n", cc); | |
708 | abort(); | |
709 | } | |
710 | dead_tmp(tmp); | |
711 | } | |
2c0262af | 712 | |
b1d8e52e | 713 | static const uint8_t table_logic_cc[16] = { |
2c0262af FB |
714 | 1, /* and */ |
715 | 1, /* xor */ | |
716 | 0, /* sub */ | |
717 | 0, /* rsb */ | |
718 | 0, /* add */ | |
719 | 0, /* adc */ | |
720 | 0, /* sbc */ | |
721 | 0, /* rsc */ | |
722 | 1, /* andl */ | |
723 | 1, /* xorl */ | |
724 | 0, /* cmp */ | |
725 | 0, /* cmn */ | |
726 | 1, /* orr */ | |
727 | 1, /* mov */ | |
728 | 1, /* bic */ | |
729 | 1, /* mvn */ | |
730 | }; | |
3b46e624 | 731 | |
d9ba4830 PB |
732 | /* Set PC and Thumb state from an immediate address. */ |
733 | static inline void gen_bx_im(DisasContext *s, uint32_t addr) | |
99c475ab | 734 | { |
b26eefb6 | 735 | TCGv tmp; |
99c475ab | 736 | |
b26eefb6 | 737 | s->is_jmp = DISAS_UPDATE; |
d9ba4830 | 738 | if (s->thumb != (addr & 1)) { |
155c3eac | 739 | tmp = new_tmp(); |
d9ba4830 PB |
740 | tcg_gen_movi_i32(tmp, addr & 1); |
741 | tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUState, thumb)); | |
155c3eac | 742 | dead_tmp(tmp); |
d9ba4830 | 743 | } |
155c3eac | 744 | tcg_gen_movi_i32(cpu_R[15], addr & ~1); |
d9ba4830 PB |
745 | } |
746 | ||
747 | /* Set PC and Thumb state from var. var is marked as dead. */ | |
748 | static inline void gen_bx(DisasContext *s, TCGv var) | |
749 | { | |
d9ba4830 | 750 | s->is_jmp = DISAS_UPDATE; |
155c3eac FN |
751 | tcg_gen_andi_i32(cpu_R[15], var, ~1); |
752 | tcg_gen_andi_i32(var, var, 1); | |
753 | store_cpu_field(var, thumb); | |
d9ba4830 PB |
754 | } |
755 | ||
21aeb343 JR |
756 | /* Variant of store_reg which uses branch&exchange logic when storing |
757 | to r15 in ARM architecture v7 and above. The source must be a temporary | |
758 | and will be marked as dead. */ | |
759 | static inline void store_reg_bx(CPUState *env, DisasContext *s, | |
760 | int reg, TCGv var) | |
761 | { | |
762 | if (reg == 15 && ENABLE_ARCH_7) { | |
763 | gen_bx(s, var); | |
764 | } else { | |
765 | store_reg(s, reg, var); | |
766 | } | |
767 | } | |
768 | ||
b0109805 PB |
769 | static inline TCGv gen_ld8s(TCGv addr, int index) |
770 | { | |
771 | TCGv tmp = new_tmp(); | |
772 | tcg_gen_qemu_ld8s(tmp, addr, index); | |
773 | return tmp; | |
774 | } | |
775 | static inline TCGv gen_ld8u(TCGv addr, int index) | |
776 | { | |
777 | TCGv tmp = new_tmp(); | |
778 | tcg_gen_qemu_ld8u(tmp, addr, index); | |
779 | return tmp; | |
780 | } | |
781 | static inline TCGv gen_ld16s(TCGv addr, int index) | |
782 | { | |
783 | TCGv tmp = new_tmp(); | |
784 | tcg_gen_qemu_ld16s(tmp, addr, index); | |
785 | return tmp; | |
786 | } | |
787 | static inline TCGv gen_ld16u(TCGv addr, int index) | |
788 | { | |
789 | TCGv tmp = new_tmp(); | |
790 | tcg_gen_qemu_ld16u(tmp, addr, index); | |
791 | return tmp; | |
792 | } | |
793 | static inline TCGv gen_ld32(TCGv addr, int index) | |
794 | { | |
795 | TCGv tmp = new_tmp(); | |
796 | tcg_gen_qemu_ld32u(tmp, addr, index); | |
797 | return tmp; | |
798 | } | |
84496233 JR |
799 | static inline TCGv_i64 gen_ld64(TCGv addr, int index) |
800 | { | |
801 | TCGv_i64 tmp = tcg_temp_new_i64(); | |
802 | tcg_gen_qemu_ld64(tmp, addr, index); | |
803 | return tmp; | |
804 | } | |
b0109805 PB |
805 | static inline void gen_st8(TCGv val, TCGv addr, int index) |
806 | { | |
807 | tcg_gen_qemu_st8(val, addr, index); | |
808 | dead_tmp(val); | |
809 | } | |
810 | static inline void gen_st16(TCGv val, TCGv addr, int index) | |
811 | { | |
812 | tcg_gen_qemu_st16(val, addr, index); | |
813 | dead_tmp(val); | |
814 | } | |
815 | static inline void gen_st32(TCGv val, TCGv addr, int index) | |
816 | { | |
817 | tcg_gen_qemu_st32(val, addr, index); | |
818 | dead_tmp(val); | |
819 | } | |
84496233 JR |
820 | static inline void gen_st64(TCGv_i64 val, TCGv addr, int index) |
821 | { | |
822 | tcg_gen_qemu_st64(val, addr, index); | |
823 | tcg_temp_free_i64(val); | |
824 | } | |
b5ff1b31 | 825 | |
5e3f878a PB |
826 | static inline void gen_set_pc_im(uint32_t val) |
827 | { | |
155c3eac | 828 | tcg_gen_movi_i32(cpu_R[15], val); |
5e3f878a PB |
829 | } |
830 | ||
b5ff1b31 FB |
831 | /* Force a TB lookup after an instruction that changes the CPU state. */ |
832 | static inline void gen_lookup_tb(DisasContext *s) | |
833 | { | |
a6445c52 | 834 | tcg_gen_movi_i32(cpu_R[15], s->pc & ~1); |
b5ff1b31 FB |
835 | s->is_jmp = DISAS_UPDATE; |
836 | } | |
837 | ||
b0109805 PB |
838 | static inline void gen_add_data_offset(DisasContext *s, unsigned int insn, |
839 | TCGv var) | |
2c0262af | 840 | { |
1e8d4eec | 841 | int val, rm, shift, shiftop; |
b26eefb6 | 842 | TCGv offset; |
2c0262af FB |
843 | |
844 | if (!(insn & (1 << 25))) { | |
845 | /* immediate */ | |
846 | val = insn & 0xfff; | |
847 | if (!(insn & (1 << 23))) | |
848 | val = -val; | |
537730b9 | 849 | if (val != 0) |
b0109805 | 850 | tcg_gen_addi_i32(var, var, val); |
2c0262af FB |
851 | } else { |
852 | /* shift/register */ | |
853 | rm = (insn) & 0xf; | |
854 | shift = (insn >> 7) & 0x1f; | |
1e8d4eec | 855 | shiftop = (insn >> 5) & 3; |
b26eefb6 | 856 | offset = load_reg(s, rm); |
9a119ff6 | 857 | gen_arm_shift_im(offset, shiftop, shift, 0); |
2c0262af | 858 | if (!(insn & (1 << 23))) |
b0109805 | 859 | tcg_gen_sub_i32(var, var, offset); |
2c0262af | 860 | else |
b0109805 | 861 | tcg_gen_add_i32(var, var, offset); |
b26eefb6 | 862 | dead_tmp(offset); |
2c0262af FB |
863 | } |
864 | } | |
865 | ||
191f9a93 | 866 | static inline void gen_add_datah_offset(DisasContext *s, unsigned int insn, |
b0109805 | 867 | int extra, TCGv var) |
2c0262af FB |
868 | { |
869 | int val, rm; | |
b26eefb6 | 870 | TCGv offset; |
3b46e624 | 871 | |
2c0262af FB |
872 | if (insn & (1 << 22)) { |
873 | /* immediate */ | |
874 | val = (insn & 0xf) | ((insn >> 4) & 0xf0); | |
875 | if (!(insn & (1 << 23))) | |
876 | val = -val; | |
18acad92 | 877 | val += extra; |
537730b9 | 878 | if (val != 0) |
b0109805 | 879 | tcg_gen_addi_i32(var, var, val); |
2c0262af FB |
880 | } else { |
881 | /* register */ | |
191f9a93 | 882 | if (extra) |
b0109805 | 883 | tcg_gen_addi_i32(var, var, extra); |
2c0262af | 884 | rm = (insn) & 0xf; |
b26eefb6 | 885 | offset = load_reg(s, rm); |
2c0262af | 886 | if (!(insn & (1 << 23))) |
b0109805 | 887 | tcg_gen_sub_i32(var, var, offset); |
2c0262af | 888 | else |
b0109805 | 889 | tcg_gen_add_i32(var, var, offset); |
b26eefb6 | 890 | dead_tmp(offset); |
2c0262af FB |
891 | } |
892 | } | |
893 | ||
4373f3ce PB |
894 | #define VFP_OP2(name) \ |
895 | static inline void gen_vfp_##name(int dp) \ | |
896 | { \ | |
897 | if (dp) \ | |
898 | gen_helper_vfp_##name##d(cpu_F0d, cpu_F0d, cpu_F1d, cpu_env); \ | |
899 | else \ | |
900 | gen_helper_vfp_##name##s(cpu_F0s, cpu_F0s, cpu_F1s, cpu_env); \ | |
b7bcbe95 FB |
901 | } |
902 | ||
4373f3ce PB |
903 | VFP_OP2(add) |
904 | VFP_OP2(sub) | |
905 | VFP_OP2(mul) | |
906 | VFP_OP2(div) | |
907 | ||
908 | #undef VFP_OP2 | |
909 | ||
910 | static inline void gen_vfp_abs(int dp) | |
911 | { | |
912 | if (dp) | |
913 | gen_helper_vfp_absd(cpu_F0d, cpu_F0d); | |
914 | else | |
915 | gen_helper_vfp_abss(cpu_F0s, cpu_F0s); | |
916 | } | |
917 | ||
918 | static inline void gen_vfp_neg(int dp) | |
919 | { | |
920 | if (dp) | |
921 | gen_helper_vfp_negd(cpu_F0d, cpu_F0d); | |
922 | else | |
923 | gen_helper_vfp_negs(cpu_F0s, cpu_F0s); | |
924 | } | |
925 | ||
926 | static inline void gen_vfp_sqrt(int dp) | |
927 | { | |
928 | if (dp) | |
929 | gen_helper_vfp_sqrtd(cpu_F0d, cpu_F0d, cpu_env); | |
930 | else | |
931 | gen_helper_vfp_sqrts(cpu_F0s, cpu_F0s, cpu_env); | |
932 | } | |
933 | ||
934 | static inline void gen_vfp_cmp(int dp) | |
935 | { | |
936 | if (dp) | |
937 | gen_helper_vfp_cmpd(cpu_F0d, cpu_F1d, cpu_env); | |
938 | else | |
939 | gen_helper_vfp_cmps(cpu_F0s, cpu_F1s, cpu_env); | |
940 | } | |
941 | ||
942 | static inline void gen_vfp_cmpe(int dp) | |
943 | { | |
944 | if (dp) | |
945 | gen_helper_vfp_cmped(cpu_F0d, cpu_F1d, cpu_env); | |
946 | else | |
947 | gen_helper_vfp_cmpes(cpu_F0s, cpu_F1s, cpu_env); | |
948 | } | |
949 | ||
950 | static inline void gen_vfp_F1_ld0(int dp) | |
951 | { | |
952 | if (dp) | |
5b340b51 | 953 | tcg_gen_movi_i64(cpu_F1d, 0); |
4373f3ce | 954 | else |
5b340b51 | 955 | tcg_gen_movi_i32(cpu_F1s, 0); |
4373f3ce PB |
956 | } |
957 | ||
958 | static inline void gen_vfp_uito(int dp) | |
959 | { | |
960 | if (dp) | |
961 | gen_helper_vfp_uitod(cpu_F0d, cpu_F0s, cpu_env); | |
962 | else | |
963 | gen_helper_vfp_uitos(cpu_F0s, cpu_F0s, cpu_env); | |
964 | } | |
965 | ||
966 | static inline void gen_vfp_sito(int dp) | |
967 | { | |
968 | if (dp) | |
66230e0d | 969 | gen_helper_vfp_sitod(cpu_F0d, cpu_F0s, cpu_env); |
4373f3ce | 970 | else |
66230e0d | 971 | gen_helper_vfp_sitos(cpu_F0s, cpu_F0s, cpu_env); |
4373f3ce PB |
972 | } |
973 | ||
974 | static inline void gen_vfp_toui(int dp) | |
975 | { | |
976 | if (dp) | |
977 | gen_helper_vfp_touid(cpu_F0s, cpu_F0d, cpu_env); | |
978 | else | |
979 | gen_helper_vfp_touis(cpu_F0s, cpu_F0s, cpu_env); | |
980 | } | |
981 | ||
982 | static inline void gen_vfp_touiz(int dp) | |
983 | { | |
984 | if (dp) | |
985 | gen_helper_vfp_touizd(cpu_F0s, cpu_F0d, cpu_env); | |
986 | else | |
987 | gen_helper_vfp_touizs(cpu_F0s, cpu_F0s, cpu_env); | |
988 | } | |
989 | ||
990 | static inline void gen_vfp_tosi(int dp) | |
991 | { | |
992 | if (dp) | |
993 | gen_helper_vfp_tosid(cpu_F0s, cpu_F0d, cpu_env); | |
994 | else | |
995 | gen_helper_vfp_tosis(cpu_F0s, cpu_F0s, cpu_env); | |
996 | } | |
997 | ||
998 | static inline void gen_vfp_tosiz(int dp) | |
9ee6e8bb PB |
999 | { |
1000 | if (dp) | |
4373f3ce | 1001 | gen_helper_vfp_tosizd(cpu_F0s, cpu_F0d, cpu_env); |
9ee6e8bb | 1002 | else |
4373f3ce PB |
1003 | gen_helper_vfp_tosizs(cpu_F0s, cpu_F0s, cpu_env); |
1004 | } | |
1005 | ||
1006 | #define VFP_GEN_FIX(name) \ | |
1007 | static inline void gen_vfp_##name(int dp, int shift) \ | |
1008 | { \ | |
b75263d6 | 1009 | TCGv tmp_shift = tcg_const_i32(shift); \ |
4373f3ce | 1010 | if (dp) \ |
b75263d6 | 1011 | gen_helper_vfp_##name##d(cpu_F0d, cpu_F0d, tmp_shift, cpu_env);\ |
4373f3ce | 1012 | else \ |
b75263d6 JR |
1013 | gen_helper_vfp_##name##s(cpu_F0s, cpu_F0s, tmp_shift, cpu_env);\ |
1014 | tcg_temp_free_i32(tmp_shift); \ | |
9ee6e8bb | 1015 | } |
4373f3ce PB |
1016 | VFP_GEN_FIX(tosh) |
1017 | VFP_GEN_FIX(tosl) | |
1018 | VFP_GEN_FIX(touh) | |
1019 | VFP_GEN_FIX(toul) | |
1020 | VFP_GEN_FIX(shto) | |
1021 | VFP_GEN_FIX(slto) | |
1022 | VFP_GEN_FIX(uhto) | |
1023 | VFP_GEN_FIX(ulto) | |
1024 | #undef VFP_GEN_FIX | |
9ee6e8bb | 1025 | |
312eea9f | 1026 | static inline void gen_vfp_ld(DisasContext *s, int dp, TCGv addr) |
b5ff1b31 FB |
1027 | { |
1028 | if (dp) | |
312eea9f | 1029 | tcg_gen_qemu_ld64(cpu_F0d, addr, IS_USER(s)); |
b5ff1b31 | 1030 | else |
312eea9f | 1031 | tcg_gen_qemu_ld32u(cpu_F0s, addr, IS_USER(s)); |
b5ff1b31 FB |
1032 | } |
1033 | ||
312eea9f | 1034 | static inline void gen_vfp_st(DisasContext *s, int dp, TCGv addr) |
b5ff1b31 FB |
1035 | { |
1036 | if (dp) | |
312eea9f | 1037 | tcg_gen_qemu_st64(cpu_F0d, addr, IS_USER(s)); |
b5ff1b31 | 1038 | else |
312eea9f | 1039 | tcg_gen_qemu_st32(cpu_F0s, addr, IS_USER(s)); |
b5ff1b31 FB |
1040 | } |
1041 | ||
8e96005d FB |
1042 | static inline long |
1043 | vfp_reg_offset (int dp, int reg) | |
1044 | { | |
1045 | if (dp) | |
1046 | return offsetof(CPUARMState, vfp.regs[reg]); | |
1047 | else if (reg & 1) { | |
1048 | return offsetof(CPUARMState, vfp.regs[reg >> 1]) | |
1049 | + offsetof(CPU_DoubleU, l.upper); | |
1050 | } else { | |
1051 | return offsetof(CPUARMState, vfp.regs[reg >> 1]) | |
1052 | + offsetof(CPU_DoubleU, l.lower); | |
1053 | } | |
1054 | } | |
9ee6e8bb PB |
1055 | |
1056 | /* Return the offset of a 32-bit piece of a NEON register. | |
1057 | zero is the least significant end of the register. */ | |
1058 | static inline long | |
1059 | neon_reg_offset (int reg, int n) | |
1060 | { | |
1061 | int sreg; | |
1062 | sreg = reg * 2 + n; | |
1063 | return vfp_reg_offset(0, sreg); | |
1064 | } | |
1065 | ||
8f8e3aa4 PB |
1066 | static TCGv neon_load_reg(int reg, int pass) |
1067 | { | |
1068 | TCGv tmp = new_tmp(); | |
1069 | tcg_gen_ld_i32(tmp, cpu_env, neon_reg_offset(reg, pass)); | |
1070 | return tmp; | |
1071 | } | |
1072 | ||
1073 | static void neon_store_reg(int reg, int pass, TCGv var) | |
1074 | { | |
1075 | tcg_gen_st_i32(var, cpu_env, neon_reg_offset(reg, pass)); | |
1076 | dead_tmp(var); | |
1077 | } | |
1078 | ||
a7812ae4 | 1079 | static inline void neon_load_reg64(TCGv_i64 var, int reg) |
ad69471c PB |
1080 | { |
1081 | tcg_gen_ld_i64(var, cpu_env, vfp_reg_offset(1, reg)); | |
1082 | } | |
1083 | ||
a7812ae4 | 1084 | static inline void neon_store_reg64(TCGv_i64 var, int reg) |
ad69471c PB |
1085 | { |
1086 | tcg_gen_st_i64(var, cpu_env, vfp_reg_offset(1, reg)); | |
1087 | } | |
1088 | ||
4373f3ce PB |
1089 | #define tcg_gen_ld_f32 tcg_gen_ld_i32 |
1090 | #define tcg_gen_ld_f64 tcg_gen_ld_i64 | |
1091 | #define tcg_gen_st_f32 tcg_gen_st_i32 | |
1092 | #define tcg_gen_st_f64 tcg_gen_st_i64 | |
1093 | ||
b7bcbe95 FB |
1094 | static inline void gen_mov_F0_vreg(int dp, int reg) |
1095 | { | |
1096 | if (dp) | |
4373f3ce | 1097 | tcg_gen_ld_f64(cpu_F0d, cpu_env, vfp_reg_offset(dp, reg)); |
b7bcbe95 | 1098 | else |
4373f3ce | 1099 | tcg_gen_ld_f32(cpu_F0s, cpu_env, vfp_reg_offset(dp, reg)); |
b7bcbe95 FB |
1100 | } |
1101 | ||
1102 | static inline void gen_mov_F1_vreg(int dp, int reg) | |
1103 | { | |
1104 | if (dp) | |
4373f3ce | 1105 | tcg_gen_ld_f64(cpu_F1d, cpu_env, vfp_reg_offset(dp, reg)); |
b7bcbe95 | 1106 | else |
4373f3ce | 1107 | tcg_gen_ld_f32(cpu_F1s, cpu_env, vfp_reg_offset(dp, reg)); |
b7bcbe95 FB |
1108 | } |
1109 | ||
1110 | static inline void gen_mov_vreg_F0(int dp, int reg) | |
1111 | { | |
1112 | if (dp) | |
4373f3ce | 1113 | tcg_gen_st_f64(cpu_F0d, cpu_env, vfp_reg_offset(dp, reg)); |
b7bcbe95 | 1114 | else |
4373f3ce | 1115 | tcg_gen_st_f32(cpu_F0s, cpu_env, vfp_reg_offset(dp, reg)); |
b7bcbe95 FB |
1116 | } |
1117 | ||
18c9b560 AZ |
1118 | #define ARM_CP_RW_BIT (1 << 20) |
1119 | ||
a7812ae4 | 1120 | static inline void iwmmxt_load_reg(TCGv_i64 var, int reg) |
e677137d PB |
1121 | { |
1122 | tcg_gen_ld_i64(var, cpu_env, offsetof(CPUState, iwmmxt.regs[reg])); | |
1123 | } | |
1124 | ||
a7812ae4 | 1125 | static inline void iwmmxt_store_reg(TCGv_i64 var, int reg) |
e677137d PB |
1126 | { |
1127 | tcg_gen_st_i64(var, cpu_env, offsetof(CPUState, iwmmxt.regs[reg])); | |
1128 | } | |
1129 | ||
da6b5335 | 1130 | static inline TCGv iwmmxt_load_creg(int reg) |
e677137d | 1131 | { |
da6b5335 FN |
1132 | TCGv var = new_tmp(); |
1133 | tcg_gen_ld_i32(var, cpu_env, offsetof(CPUState, iwmmxt.cregs[reg])); | |
1134 | return var; | |
e677137d PB |
1135 | } |
1136 | ||
da6b5335 | 1137 | static inline void iwmmxt_store_creg(int reg, TCGv var) |
e677137d | 1138 | { |
da6b5335 | 1139 | tcg_gen_st_i32(var, cpu_env, offsetof(CPUState, iwmmxt.cregs[reg])); |
d9968827 | 1140 | dead_tmp(var); |
e677137d PB |
1141 | } |
1142 | ||
1143 | static inline void gen_op_iwmmxt_movq_wRn_M0(int rn) | |
1144 | { | |
1145 | iwmmxt_store_reg(cpu_M0, rn); | |
1146 | } | |
1147 | ||
1148 | static inline void gen_op_iwmmxt_movq_M0_wRn(int rn) | |
1149 | { | |
1150 | iwmmxt_load_reg(cpu_M0, rn); | |
1151 | } | |
1152 | ||
1153 | static inline void gen_op_iwmmxt_orq_M0_wRn(int rn) | |
1154 | { | |
1155 | iwmmxt_load_reg(cpu_V1, rn); | |
1156 | tcg_gen_or_i64(cpu_M0, cpu_M0, cpu_V1); | |
1157 | } | |
1158 | ||
1159 | static inline void gen_op_iwmmxt_andq_M0_wRn(int rn) | |
1160 | { | |
1161 | iwmmxt_load_reg(cpu_V1, rn); | |
1162 | tcg_gen_and_i64(cpu_M0, cpu_M0, cpu_V1); | |
1163 | } | |
1164 | ||
1165 | static inline void gen_op_iwmmxt_xorq_M0_wRn(int rn) | |
1166 | { | |
1167 | iwmmxt_load_reg(cpu_V1, rn); | |
1168 | tcg_gen_xor_i64(cpu_M0, cpu_M0, cpu_V1); | |
1169 | } | |
1170 | ||
1171 | #define IWMMXT_OP(name) \ | |
1172 | static inline void gen_op_iwmmxt_##name##_M0_wRn(int rn) \ | |
1173 | { \ | |
1174 | iwmmxt_load_reg(cpu_V1, rn); \ | |
1175 | gen_helper_iwmmxt_##name(cpu_M0, cpu_M0, cpu_V1); \ | |
1176 | } | |
1177 | ||
1178 | #define IWMMXT_OP_ENV(name) \ | |
1179 | static inline void gen_op_iwmmxt_##name##_M0_wRn(int rn) \ | |
1180 | { \ | |
1181 | iwmmxt_load_reg(cpu_V1, rn); \ | |
1182 | gen_helper_iwmmxt_##name(cpu_M0, cpu_env, cpu_M0, cpu_V1); \ | |
1183 | } | |
1184 | ||
1185 | #define IWMMXT_OP_ENV_SIZE(name) \ | |
1186 | IWMMXT_OP_ENV(name##b) \ | |
1187 | IWMMXT_OP_ENV(name##w) \ | |
1188 | IWMMXT_OP_ENV(name##l) | |
1189 | ||
1190 | #define IWMMXT_OP_ENV1(name) \ | |
1191 | static inline void gen_op_iwmmxt_##name##_M0(void) \ | |
1192 | { \ | |
1193 | gen_helper_iwmmxt_##name(cpu_M0, cpu_env, cpu_M0); \ | |
1194 | } | |
1195 | ||
1196 | IWMMXT_OP(maddsq) | |
1197 | IWMMXT_OP(madduq) | |
1198 | IWMMXT_OP(sadb) | |
1199 | IWMMXT_OP(sadw) | |
1200 | IWMMXT_OP(mulslw) | |
1201 | IWMMXT_OP(mulshw) | |
1202 | IWMMXT_OP(mululw) | |
1203 | IWMMXT_OP(muluhw) | |
1204 | IWMMXT_OP(macsw) | |
1205 | IWMMXT_OP(macuw) | |
1206 | ||
1207 | IWMMXT_OP_ENV_SIZE(unpackl) | |
1208 | IWMMXT_OP_ENV_SIZE(unpackh) | |
1209 | ||
1210 | IWMMXT_OP_ENV1(unpacklub) | |
1211 | IWMMXT_OP_ENV1(unpackluw) | |
1212 | IWMMXT_OP_ENV1(unpacklul) | |
1213 | IWMMXT_OP_ENV1(unpackhub) | |
1214 | IWMMXT_OP_ENV1(unpackhuw) | |
1215 | IWMMXT_OP_ENV1(unpackhul) | |
1216 | IWMMXT_OP_ENV1(unpacklsb) | |
1217 | IWMMXT_OP_ENV1(unpacklsw) | |
1218 | IWMMXT_OP_ENV1(unpacklsl) | |
1219 | IWMMXT_OP_ENV1(unpackhsb) | |
1220 | IWMMXT_OP_ENV1(unpackhsw) | |
1221 | IWMMXT_OP_ENV1(unpackhsl) | |
1222 | ||
1223 | IWMMXT_OP_ENV_SIZE(cmpeq) | |
1224 | IWMMXT_OP_ENV_SIZE(cmpgtu) | |
1225 | IWMMXT_OP_ENV_SIZE(cmpgts) | |
1226 | ||
1227 | IWMMXT_OP_ENV_SIZE(mins) | |
1228 | IWMMXT_OP_ENV_SIZE(minu) | |
1229 | IWMMXT_OP_ENV_SIZE(maxs) | |
1230 | IWMMXT_OP_ENV_SIZE(maxu) | |
1231 | ||
1232 | IWMMXT_OP_ENV_SIZE(subn) | |
1233 | IWMMXT_OP_ENV_SIZE(addn) | |
1234 | IWMMXT_OP_ENV_SIZE(subu) | |
1235 | IWMMXT_OP_ENV_SIZE(addu) | |
1236 | IWMMXT_OP_ENV_SIZE(subs) | |
1237 | IWMMXT_OP_ENV_SIZE(adds) | |
1238 | ||
1239 | IWMMXT_OP_ENV(avgb0) | |
1240 | IWMMXT_OP_ENV(avgb1) | |
1241 | IWMMXT_OP_ENV(avgw0) | |
1242 | IWMMXT_OP_ENV(avgw1) | |
1243 | ||
1244 | IWMMXT_OP(msadb) | |
1245 | ||
1246 | IWMMXT_OP_ENV(packuw) | |
1247 | IWMMXT_OP_ENV(packul) | |
1248 | IWMMXT_OP_ENV(packuq) | |
1249 | IWMMXT_OP_ENV(packsw) | |
1250 | IWMMXT_OP_ENV(packsl) | |
1251 | IWMMXT_OP_ENV(packsq) | |
1252 | ||
e677137d PB |
1253 | static void gen_op_iwmmxt_set_mup(void) |
1254 | { | |
1255 | TCGv tmp; | |
1256 | tmp = load_cpu_field(iwmmxt.cregs[ARM_IWMMXT_wCon]); | |
1257 | tcg_gen_ori_i32(tmp, tmp, 2); | |
1258 | store_cpu_field(tmp, iwmmxt.cregs[ARM_IWMMXT_wCon]); | |
1259 | } | |
1260 | ||
1261 | static void gen_op_iwmmxt_set_cup(void) | |
1262 | { | |
1263 | TCGv tmp; | |
1264 | tmp = load_cpu_field(iwmmxt.cregs[ARM_IWMMXT_wCon]); | |
1265 | tcg_gen_ori_i32(tmp, tmp, 1); | |
1266 | store_cpu_field(tmp, iwmmxt.cregs[ARM_IWMMXT_wCon]); | |
1267 | } | |
1268 | ||
1269 | static void gen_op_iwmmxt_setpsr_nz(void) | |
1270 | { | |
1271 | TCGv tmp = new_tmp(); | |
1272 | gen_helper_iwmmxt_setpsr_nz(tmp, cpu_M0); | |
1273 | store_cpu_field(tmp, iwmmxt.cregs[ARM_IWMMXT_wCASF]); | |
1274 | } | |
1275 | ||
1276 | static inline void gen_op_iwmmxt_addl_M0_wRn(int rn) | |
1277 | { | |
1278 | iwmmxt_load_reg(cpu_V1, rn); | |
86831435 | 1279 | tcg_gen_ext32u_i64(cpu_V1, cpu_V1); |
e677137d PB |
1280 | tcg_gen_add_i64(cpu_M0, cpu_M0, cpu_V1); |
1281 | } | |
1282 | ||
da6b5335 | 1283 | static inline int gen_iwmmxt_address(DisasContext *s, uint32_t insn, TCGv dest) |
18c9b560 AZ |
1284 | { |
1285 | int rd; | |
1286 | uint32_t offset; | |
da6b5335 | 1287 | TCGv tmp; |
18c9b560 AZ |
1288 | |
1289 | rd = (insn >> 16) & 0xf; | |
da6b5335 | 1290 | tmp = load_reg(s, rd); |
18c9b560 AZ |
1291 | |
1292 | offset = (insn & 0xff) << ((insn >> 7) & 2); | |
1293 | if (insn & (1 << 24)) { | |
1294 | /* Pre indexed */ | |
1295 | if (insn & (1 << 23)) | |
da6b5335 | 1296 | tcg_gen_addi_i32(tmp, tmp, offset); |
18c9b560 | 1297 | else |
da6b5335 FN |
1298 | tcg_gen_addi_i32(tmp, tmp, -offset); |
1299 | tcg_gen_mov_i32(dest, tmp); | |
18c9b560 | 1300 | if (insn & (1 << 21)) |
da6b5335 FN |
1301 | store_reg(s, rd, tmp); |
1302 | else | |
1303 | dead_tmp(tmp); | |
18c9b560 AZ |
1304 | } else if (insn & (1 << 21)) { |
1305 | /* Post indexed */ | |
da6b5335 | 1306 | tcg_gen_mov_i32(dest, tmp); |
18c9b560 | 1307 | if (insn & (1 << 23)) |
da6b5335 | 1308 | tcg_gen_addi_i32(tmp, tmp, offset); |
18c9b560 | 1309 | else |
da6b5335 FN |
1310 | tcg_gen_addi_i32(tmp, tmp, -offset); |
1311 | store_reg(s, rd, tmp); | |
18c9b560 AZ |
1312 | } else if (!(insn & (1 << 23))) |
1313 | return 1; | |
1314 | return 0; | |
1315 | } | |
1316 | ||
da6b5335 | 1317 | static inline int gen_iwmmxt_shift(uint32_t insn, uint32_t mask, TCGv dest) |
18c9b560 AZ |
1318 | { |
1319 | int rd = (insn >> 0) & 0xf; | |
da6b5335 | 1320 | TCGv tmp; |
18c9b560 | 1321 | |
da6b5335 FN |
1322 | if (insn & (1 << 8)) { |
1323 | if (rd < ARM_IWMMXT_wCGR0 || rd > ARM_IWMMXT_wCGR3) { | |
18c9b560 | 1324 | return 1; |
da6b5335 FN |
1325 | } else { |
1326 | tmp = iwmmxt_load_creg(rd); | |
1327 | } | |
1328 | } else { | |
1329 | tmp = new_tmp(); | |
1330 | iwmmxt_load_reg(cpu_V0, rd); | |
1331 | tcg_gen_trunc_i64_i32(tmp, cpu_V0); | |
1332 | } | |
1333 | tcg_gen_andi_i32(tmp, tmp, mask); | |
1334 | tcg_gen_mov_i32(dest, tmp); | |
1335 | dead_tmp(tmp); | |
18c9b560 AZ |
1336 | return 0; |
1337 | } | |
1338 | ||
1339 | /* Disassemble an iwMMXt instruction. Returns nonzero if an error occured | |
1340 | (ie. an undefined instruction). */ | |
1341 | static int disas_iwmmxt_insn(CPUState *env, DisasContext *s, uint32_t insn) | |
1342 | { | |
1343 | int rd, wrd; | |
1344 | int rdhi, rdlo, rd0, rd1, i; | |
da6b5335 FN |
1345 | TCGv addr; |
1346 | TCGv tmp, tmp2, tmp3; | |
18c9b560 AZ |
1347 | |
1348 | if ((insn & 0x0e000e00) == 0x0c000000) { | |
1349 | if ((insn & 0x0fe00ff0) == 0x0c400000) { | |
1350 | wrd = insn & 0xf; | |
1351 | rdlo = (insn >> 12) & 0xf; | |
1352 | rdhi = (insn >> 16) & 0xf; | |
1353 | if (insn & ARM_CP_RW_BIT) { /* TMRRC */ | |
da6b5335 FN |
1354 | iwmmxt_load_reg(cpu_V0, wrd); |
1355 | tcg_gen_trunc_i64_i32(cpu_R[rdlo], cpu_V0); | |
1356 | tcg_gen_shri_i64(cpu_V0, cpu_V0, 32); | |
1357 | tcg_gen_trunc_i64_i32(cpu_R[rdhi], cpu_V0); | |
18c9b560 | 1358 | } else { /* TMCRR */ |
da6b5335 FN |
1359 | tcg_gen_concat_i32_i64(cpu_V0, cpu_R[rdlo], cpu_R[rdhi]); |
1360 | iwmmxt_store_reg(cpu_V0, wrd); | |
18c9b560 AZ |
1361 | gen_op_iwmmxt_set_mup(); |
1362 | } | |
1363 | return 0; | |
1364 | } | |
1365 | ||
1366 | wrd = (insn >> 12) & 0xf; | |
da6b5335 FN |
1367 | addr = new_tmp(); |
1368 | if (gen_iwmmxt_address(s, insn, addr)) { | |
1369 | dead_tmp(addr); | |
18c9b560 | 1370 | return 1; |
da6b5335 | 1371 | } |
18c9b560 AZ |
1372 | if (insn & ARM_CP_RW_BIT) { |
1373 | if ((insn >> 28) == 0xf) { /* WLDRW wCx */ | |
da6b5335 FN |
1374 | tmp = new_tmp(); |
1375 | tcg_gen_qemu_ld32u(tmp, addr, IS_USER(s)); | |
1376 | iwmmxt_store_creg(wrd, tmp); | |
18c9b560 | 1377 | } else { |
e677137d PB |
1378 | i = 1; |
1379 | if (insn & (1 << 8)) { | |
1380 | if (insn & (1 << 22)) { /* WLDRD */ | |
da6b5335 | 1381 | tcg_gen_qemu_ld64(cpu_M0, addr, IS_USER(s)); |
e677137d PB |
1382 | i = 0; |
1383 | } else { /* WLDRW wRd */ | |
da6b5335 | 1384 | tmp = gen_ld32(addr, IS_USER(s)); |
e677137d PB |
1385 | } |
1386 | } else { | |
1387 | if (insn & (1 << 22)) { /* WLDRH */ | |
da6b5335 | 1388 | tmp = gen_ld16u(addr, IS_USER(s)); |
e677137d | 1389 | } else { /* WLDRB */ |
da6b5335 | 1390 | tmp = gen_ld8u(addr, IS_USER(s)); |
e677137d PB |
1391 | } |
1392 | } | |
1393 | if (i) { | |
1394 | tcg_gen_extu_i32_i64(cpu_M0, tmp); | |
1395 | dead_tmp(tmp); | |
1396 | } | |
18c9b560 AZ |
1397 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1398 | } | |
1399 | } else { | |
1400 | if ((insn >> 28) == 0xf) { /* WSTRW wCx */ | |
da6b5335 FN |
1401 | tmp = iwmmxt_load_creg(wrd); |
1402 | gen_st32(tmp, addr, IS_USER(s)); | |
18c9b560 AZ |
1403 | } else { |
1404 | gen_op_iwmmxt_movq_M0_wRn(wrd); | |
e677137d PB |
1405 | tmp = new_tmp(); |
1406 | if (insn & (1 << 8)) { | |
1407 | if (insn & (1 << 22)) { /* WSTRD */ | |
1408 | dead_tmp(tmp); | |
da6b5335 | 1409 | tcg_gen_qemu_st64(cpu_M0, addr, IS_USER(s)); |
e677137d PB |
1410 | } else { /* WSTRW wRd */ |
1411 | tcg_gen_trunc_i64_i32(tmp, cpu_M0); | |
da6b5335 | 1412 | gen_st32(tmp, addr, IS_USER(s)); |
e677137d PB |
1413 | } |
1414 | } else { | |
1415 | if (insn & (1 << 22)) { /* WSTRH */ | |
1416 | tcg_gen_trunc_i64_i32(tmp, cpu_M0); | |
da6b5335 | 1417 | gen_st16(tmp, addr, IS_USER(s)); |
e677137d PB |
1418 | } else { /* WSTRB */ |
1419 | tcg_gen_trunc_i64_i32(tmp, cpu_M0); | |
da6b5335 | 1420 | gen_st8(tmp, addr, IS_USER(s)); |
e677137d PB |
1421 | } |
1422 | } | |
18c9b560 AZ |
1423 | } |
1424 | } | |
d9968827 | 1425 | dead_tmp(addr); |
18c9b560 AZ |
1426 | return 0; |
1427 | } | |
1428 | ||
1429 | if ((insn & 0x0f000000) != 0x0e000000) | |
1430 | return 1; | |
1431 | ||
1432 | switch (((insn >> 12) & 0xf00) | ((insn >> 4) & 0xff)) { | |
1433 | case 0x000: /* WOR */ | |
1434 | wrd = (insn >> 12) & 0xf; | |
1435 | rd0 = (insn >> 0) & 0xf; | |
1436 | rd1 = (insn >> 16) & 0xf; | |
1437 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1438 | gen_op_iwmmxt_orq_M0_wRn(rd1); | |
1439 | gen_op_iwmmxt_setpsr_nz(); | |
1440 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1441 | gen_op_iwmmxt_set_mup(); | |
1442 | gen_op_iwmmxt_set_cup(); | |
1443 | break; | |
1444 | case 0x011: /* TMCR */ | |
1445 | if (insn & 0xf) | |
1446 | return 1; | |
1447 | rd = (insn >> 12) & 0xf; | |
1448 | wrd = (insn >> 16) & 0xf; | |
1449 | switch (wrd) { | |
1450 | case ARM_IWMMXT_wCID: | |
1451 | case ARM_IWMMXT_wCASF: | |
1452 | break; | |
1453 | case ARM_IWMMXT_wCon: | |
1454 | gen_op_iwmmxt_set_cup(); | |
1455 | /* Fall through. */ | |
1456 | case ARM_IWMMXT_wCSSF: | |
da6b5335 FN |
1457 | tmp = iwmmxt_load_creg(wrd); |
1458 | tmp2 = load_reg(s, rd); | |
f669df27 | 1459 | tcg_gen_andc_i32(tmp, tmp, tmp2); |
da6b5335 FN |
1460 | dead_tmp(tmp2); |
1461 | iwmmxt_store_creg(wrd, tmp); | |
18c9b560 AZ |
1462 | break; |
1463 | case ARM_IWMMXT_wCGR0: | |
1464 | case ARM_IWMMXT_wCGR1: | |
1465 | case ARM_IWMMXT_wCGR2: | |
1466 | case ARM_IWMMXT_wCGR3: | |
1467 | gen_op_iwmmxt_set_cup(); | |
da6b5335 FN |
1468 | tmp = load_reg(s, rd); |
1469 | iwmmxt_store_creg(wrd, tmp); | |
18c9b560 AZ |
1470 | break; |
1471 | default: | |
1472 | return 1; | |
1473 | } | |
1474 | break; | |
1475 | case 0x100: /* WXOR */ | |
1476 | wrd = (insn >> 12) & 0xf; | |
1477 | rd0 = (insn >> 0) & 0xf; | |
1478 | rd1 = (insn >> 16) & 0xf; | |
1479 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1480 | gen_op_iwmmxt_xorq_M0_wRn(rd1); | |
1481 | gen_op_iwmmxt_setpsr_nz(); | |
1482 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1483 | gen_op_iwmmxt_set_mup(); | |
1484 | gen_op_iwmmxt_set_cup(); | |
1485 | break; | |
1486 | case 0x111: /* TMRC */ | |
1487 | if (insn & 0xf) | |
1488 | return 1; | |
1489 | rd = (insn >> 12) & 0xf; | |
1490 | wrd = (insn >> 16) & 0xf; | |
da6b5335 FN |
1491 | tmp = iwmmxt_load_creg(wrd); |
1492 | store_reg(s, rd, tmp); | |
18c9b560 AZ |
1493 | break; |
1494 | case 0x300: /* WANDN */ | |
1495 | wrd = (insn >> 12) & 0xf; | |
1496 | rd0 = (insn >> 0) & 0xf; | |
1497 | rd1 = (insn >> 16) & 0xf; | |
1498 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
e677137d | 1499 | tcg_gen_neg_i64(cpu_M0, cpu_M0); |
18c9b560 AZ |
1500 | gen_op_iwmmxt_andq_M0_wRn(rd1); |
1501 | gen_op_iwmmxt_setpsr_nz(); | |
1502 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1503 | gen_op_iwmmxt_set_mup(); | |
1504 | gen_op_iwmmxt_set_cup(); | |
1505 | break; | |
1506 | case 0x200: /* WAND */ | |
1507 | wrd = (insn >> 12) & 0xf; | |
1508 | rd0 = (insn >> 0) & 0xf; | |
1509 | rd1 = (insn >> 16) & 0xf; | |
1510 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1511 | gen_op_iwmmxt_andq_M0_wRn(rd1); | |
1512 | gen_op_iwmmxt_setpsr_nz(); | |
1513 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1514 | gen_op_iwmmxt_set_mup(); | |
1515 | gen_op_iwmmxt_set_cup(); | |
1516 | break; | |
1517 | case 0x810: case 0xa10: /* WMADD */ | |
1518 | wrd = (insn >> 12) & 0xf; | |
1519 | rd0 = (insn >> 0) & 0xf; | |
1520 | rd1 = (insn >> 16) & 0xf; | |
1521 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1522 | if (insn & (1 << 21)) | |
1523 | gen_op_iwmmxt_maddsq_M0_wRn(rd1); | |
1524 | else | |
1525 | gen_op_iwmmxt_madduq_M0_wRn(rd1); | |
1526 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1527 | gen_op_iwmmxt_set_mup(); | |
1528 | break; | |
1529 | case 0x10e: case 0x50e: case 0x90e: case 0xd0e: /* WUNPCKIL */ | |
1530 | wrd = (insn >> 12) & 0xf; | |
1531 | rd0 = (insn >> 16) & 0xf; | |
1532 | rd1 = (insn >> 0) & 0xf; | |
1533 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1534 | switch ((insn >> 22) & 3) { | |
1535 | case 0: | |
1536 | gen_op_iwmmxt_unpacklb_M0_wRn(rd1); | |
1537 | break; | |
1538 | case 1: | |
1539 | gen_op_iwmmxt_unpacklw_M0_wRn(rd1); | |
1540 | break; | |
1541 | case 2: | |
1542 | gen_op_iwmmxt_unpackll_M0_wRn(rd1); | |
1543 | break; | |
1544 | case 3: | |
1545 | return 1; | |
1546 | } | |
1547 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1548 | gen_op_iwmmxt_set_mup(); | |
1549 | gen_op_iwmmxt_set_cup(); | |
1550 | break; | |
1551 | case 0x10c: case 0x50c: case 0x90c: case 0xd0c: /* WUNPCKIH */ | |
1552 | wrd = (insn >> 12) & 0xf; | |
1553 | rd0 = (insn >> 16) & 0xf; | |
1554 | rd1 = (insn >> 0) & 0xf; | |
1555 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1556 | switch ((insn >> 22) & 3) { | |
1557 | case 0: | |
1558 | gen_op_iwmmxt_unpackhb_M0_wRn(rd1); | |
1559 | break; | |
1560 | case 1: | |
1561 | gen_op_iwmmxt_unpackhw_M0_wRn(rd1); | |
1562 | break; | |
1563 | case 2: | |
1564 | gen_op_iwmmxt_unpackhl_M0_wRn(rd1); | |
1565 | break; | |
1566 | case 3: | |
1567 | return 1; | |
1568 | } | |
1569 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1570 | gen_op_iwmmxt_set_mup(); | |
1571 | gen_op_iwmmxt_set_cup(); | |
1572 | break; | |
1573 | case 0x012: case 0x112: case 0x412: case 0x512: /* WSAD */ | |
1574 | wrd = (insn >> 12) & 0xf; | |
1575 | rd0 = (insn >> 16) & 0xf; | |
1576 | rd1 = (insn >> 0) & 0xf; | |
1577 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1578 | if (insn & (1 << 22)) | |
1579 | gen_op_iwmmxt_sadw_M0_wRn(rd1); | |
1580 | else | |
1581 | gen_op_iwmmxt_sadb_M0_wRn(rd1); | |
1582 | if (!(insn & (1 << 20))) | |
1583 | gen_op_iwmmxt_addl_M0_wRn(wrd); | |
1584 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1585 | gen_op_iwmmxt_set_mup(); | |
1586 | break; | |
1587 | case 0x010: case 0x110: case 0x210: case 0x310: /* WMUL */ | |
1588 | wrd = (insn >> 12) & 0xf; | |
1589 | rd0 = (insn >> 16) & 0xf; | |
1590 | rd1 = (insn >> 0) & 0xf; | |
1591 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
e677137d PB |
1592 | if (insn & (1 << 21)) { |
1593 | if (insn & (1 << 20)) | |
1594 | gen_op_iwmmxt_mulshw_M0_wRn(rd1); | |
1595 | else | |
1596 | gen_op_iwmmxt_mulslw_M0_wRn(rd1); | |
1597 | } else { | |
1598 | if (insn & (1 << 20)) | |
1599 | gen_op_iwmmxt_muluhw_M0_wRn(rd1); | |
1600 | else | |
1601 | gen_op_iwmmxt_mululw_M0_wRn(rd1); | |
1602 | } | |
18c9b560 AZ |
1603 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1604 | gen_op_iwmmxt_set_mup(); | |
1605 | break; | |
1606 | case 0x410: case 0x510: case 0x610: case 0x710: /* WMAC */ | |
1607 | wrd = (insn >> 12) & 0xf; | |
1608 | rd0 = (insn >> 16) & 0xf; | |
1609 | rd1 = (insn >> 0) & 0xf; | |
1610 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1611 | if (insn & (1 << 21)) | |
1612 | gen_op_iwmmxt_macsw_M0_wRn(rd1); | |
1613 | else | |
1614 | gen_op_iwmmxt_macuw_M0_wRn(rd1); | |
1615 | if (!(insn & (1 << 20))) { | |
e677137d PB |
1616 | iwmmxt_load_reg(cpu_V1, wrd); |
1617 | tcg_gen_add_i64(cpu_M0, cpu_M0, cpu_V1); | |
18c9b560 AZ |
1618 | } |
1619 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1620 | gen_op_iwmmxt_set_mup(); | |
1621 | break; | |
1622 | case 0x006: case 0x406: case 0x806: case 0xc06: /* WCMPEQ */ | |
1623 | wrd = (insn >> 12) & 0xf; | |
1624 | rd0 = (insn >> 16) & 0xf; | |
1625 | rd1 = (insn >> 0) & 0xf; | |
1626 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1627 | switch ((insn >> 22) & 3) { | |
1628 | case 0: | |
1629 | gen_op_iwmmxt_cmpeqb_M0_wRn(rd1); | |
1630 | break; | |
1631 | case 1: | |
1632 | gen_op_iwmmxt_cmpeqw_M0_wRn(rd1); | |
1633 | break; | |
1634 | case 2: | |
1635 | gen_op_iwmmxt_cmpeql_M0_wRn(rd1); | |
1636 | break; | |
1637 | case 3: | |
1638 | return 1; | |
1639 | } | |
1640 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1641 | gen_op_iwmmxt_set_mup(); | |
1642 | gen_op_iwmmxt_set_cup(); | |
1643 | break; | |
1644 | case 0x800: case 0x900: case 0xc00: case 0xd00: /* WAVG2 */ | |
1645 | wrd = (insn >> 12) & 0xf; | |
1646 | rd0 = (insn >> 16) & 0xf; | |
1647 | rd1 = (insn >> 0) & 0xf; | |
1648 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
e677137d PB |
1649 | if (insn & (1 << 22)) { |
1650 | if (insn & (1 << 20)) | |
1651 | gen_op_iwmmxt_avgw1_M0_wRn(rd1); | |
1652 | else | |
1653 | gen_op_iwmmxt_avgw0_M0_wRn(rd1); | |
1654 | } else { | |
1655 | if (insn & (1 << 20)) | |
1656 | gen_op_iwmmxt_avgb1_M0_wRn(rd1); | |
1657 | else | |
1658 | gen_op_iwmmxt_avgb0_M0_wRn(rd1); | |
1659 | } | |
18c9b560 AZ |
1660 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1661 | gen_op_iwmmxt_set_mup(); | |
1662 | gen_op_iwmmxt_set_cup(); | |
1663 | break; | |
1664 | case 0x802: case 0x902: case 0xa02: case 0xb02: /* WALIGNR */ | |
1665 | wrd = (insn >> 12) & 0xf; | |
1666 | rd0 = (insn >> 16) & 0xf; | |
1667 | rd1 = (insn >> 0) & 0xf; | |
1668 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
da6b5335 FN |
1669 | tmp = iwmmxt_load_creg(ARM_IWMMXT_wCGR0 + ((insn >> 20) & 3)); |
1670 | tcg_gen_andi_i32(tmp, tmp, 7); | |
1671 | iwmmxt_load_reg(cpu_V1, rd1); | |
1672 | gen_helper_iwmmxt_align(cpu_M0, cpu_M0, cpu_V1, tmp); | |
1673 | dead_tmp(tmp); | |
18c9b560 AZ |
1674 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1675 | gen_op_iwmmxt_set_mup(); | |
1676 | break; | |
1677 | case 0x601: case 0x605: case 0x609: case 0x60d: /* TINSR */ | |
da6b5335 FN |
1678 | if (((insn >> 6) & 3) == 3) |
1679 | return 1; | |
18c9b560 AZ |
1680 | rd = (insn >> 12) & 0xf; |
1681 | wrd = (insn >> 16) & 0xf; | |
da6b5335 | 1682 | tmp = load_reg(s, rd); |
18c9b560 AZ |
1683 | gen_op_iwmmxt_movq_M0_wRn(wrd); |
1684 | switch ((insn >> 6) & 3) { | |
1685 | case 0: | |
da6b5335 FN |
1686 | tmp2 = tcg_const_i32(0xff); |
1687 | tmp3 = tcg_const_i32((insn & 7) << 3); | |
18c9b560 AZ |
1688 | break; |
1689 | case 1: | |
da6b5335 FN |
1690 | tmp2 = tcg_const_i32(0xffff); |
1691 | tmp3 = tcg_const_i32((insn & 3) << 4); | |
18c9b560 AZ |
1692 | break; |
1693 | case 2: | |
da6b5335 FN |
1694 | tmp2 = tcg_const_i32(0xffffffff); |
1695 | tmp3 = tcg_const_i32((insn & 1) << 5); | |
18c9b560 | 1696 | break; |
da6b5335 FN |
1697 | default: |
1698 | TCGV_UNUSED(tmp2); | |
1699 | TCGV_UNUSED(tmp3); | |
18c9b560 | 1700 | } |
da6b5335 FN |
1701 | gen_helper_iwmmxt_insr(cpu_M0, cpu_M0, tmp, tmp2, tmp3); |
1702 | tcg_temp_free(tmp3); | |
1703 | tcg_temp_free(tmp2); | |
1704 | dead_tmp(tmp); | |
18c9b560 AZ |
1705 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1706 | gen_op_iwmmxt_set_mup(); | |
1707 | break; | |
1708 | case 0x107: case 0x507: case 0x907: case 0xd07: /* TEXTRM */ | |
1709 | rd = (insn >> 12) & 0xf; | |
1710 | wrd = (insn >> 16) & 0xf; | |
da6b5335 | 1711 | if (rd == 15 || ((insn >> 22) & 3) == 3) |
18c9b560 AZ |
1712 | return 1; |
1713 | gen_op_iwmmxt_movq_M0_wRn(wrd); | |
da6b5335 | 1714 | tmp = new_tmp(); |
18c9b560 AZ |
1715 | switch ((insn >> 22) & 3) { |
1716 | case 0: | |
da6b5335 FN |
1717 | tcg_gen_shri_i64(cpu_M0, cpu_M0, (insn & 7) << 3); |
1718 | tcg_gen_trunc_i64_i32(tmp, cpu_M0); | |
1719 | if (insn & 8) { | |
1720 | tcg_gen_ext8s_i32(tmp, tmp); | |
1721 | } else { | |
1722 | tcg_gen_andi_i32(tmp, tmp, 0xff); | |
18c9b560 AZ |
1723 | } |
1724 | break; | |
1725 | case 1: | |
da6b5335 FN |
1726 | tcg_gen_shri_i64(cpu_M0, cpu_M0, (insn & 3) << 4); |
1727 | tcg_gen_trunc_i64_i32(tmp, cpu_M0); | |
1728 | if (insn & 8) { | |
1729 | tcg_gen_ext16s_i32(tmp, tmp); | |
1730 | } else { | |
1731 | tcg_gen_andi_i32(tmp, tmp, 0xffff); | |
18c9b560 AZ |
1732 | } |
1733 | break; | |
1734 | case 2: | |
da6b5335 FN |
1735 | tcg_gen_shri_i64(cpu_M0, cpu_M0, (insn & 1) << 5); |
1736 | tcg_gen_trunc_i64_i32(tmp, cpu_M0); | |
18c9b560 | 1737 | break; |
18c9b560 | 1738 | } |
da6b5335 | 1739 | store_reg(s, rd, tmp); |
18c9b560 AZ |
1740 | break; |
1741 | case 0x117: case 0x517: case 0x917: case 0xd17: /* TEXTRC */ | |
da6b5335 | 1742 | if ((insn & 0x000ff008) != 0x0003f000 || ((insn >> 22) & 3) == 3) |
18c9b560 | 1743 | return 1; |
da6b5335 | 1744 | tmp = iwmmxt_load_creg(ARM_IWMMXT_wCASF); |
18c9b560 AZ |
1745 | switch ((insn >> 22) & 3) { |
1746 | case 0: | |
da6b5335 | 1747 | tcg_gen_shri_i32(tmp, tmp, ((insn & 7) << 2) + 0); |
18c9b560 AZ |
1748 | break; |
1749 | case 1: | |
da6b5335 | 1750 | tcg_gen_shri_i32(tmp, tmp, ((insn & 3) << 3) + 4); |
18c9b560 AZ |
1751 | break; |
1752 | case 2: | |
da6b5335 | 1753 | tcg_gen_shri_i32(tmp, tmp, ((insn & 1) << 4) + 12); |
18c9b560 | 1754 | break; |
18c9b560 | 1755 | } |
da6b5335 FN |
1756 | tcg_gen_shli_i32(tmp, tmp, 28); |
1757 | gen_set_nzcv(tmp); | |
1758 | dead_tmp(tmp); | |
18c9b560 AZ |
1759 | break; |
1760 | case 0x401: case 0x405: case 0x409: case 0x40d: /* TBCST */ | |
da6b5335 FN |
1761 | if (((insn >> 6) & 3) == 3) |
1762 | return 1; | |
18c9b560 AZ |
1763 | rd = (insn >> 12) & 0xf; |
1764 | wrd = (insn >> 16) & 0xf; | |
da6b5335 | 1765 | tmp = load_reg(s, rd); |
18c9b560 AZ |
1766 | switch ((insn >> 6) & 3) { |
1767 | case 0: | |
da6b5335 | 1768 | gen_helper_iwmmxt_bcstb(cpu_M0, tmp); |
18c9b560 AZ |
1769 | break; |
1770 | case 1: | |
da6b5335 | 1771 | gen_helper_iwmmxt_bcstw(cpu_M0, tmp); |
18c9b560 AZ |
1772 | break; |
1773 | case 2: | |
da6b5335 | 1774 | gen_helper_iwmmxt_bcstl(cpu_M0, tmp); |
18c9b560 | 1775 | break; |
18c9b560 | 1776 | } |
da6b5335 | 1777 | dead_tmp(tmp); |
18c9b560 AZ |
1778 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1779 | gen_op_iwmmxt_set_mup(); | |
1780 | break; | |
1781 | case 0x113: case 0x513: case 0x913: case 0xd13: /* TANDC */ | |
da6b5335 | 1782 | if ((insn & 0x000ff00f) != 0x0003f000 || ((insn >> 22) & 3) == 3) |
18c9b560 | 1783 | return 1; |
da6b5335 FN |
1784 | tmp = iwmmxt_load_creg(ARM_IWMMXT_wCASF); |
1785 | tmp2 = new_tmp(); | |
1786 | tcg_gen_mov_i32(tmp2, tmp); | |
18c9b560 AZ |
1787 | switch ((insn >> 22) & 3) { |
1788 | case 0: | |
1789 | for (i = 0; i < 7; i ++) { | |
da6b5335 FN |
1790 | tcg_gen_shli_i32(tmp2, tmp2, 4); |
1791 | tcg_gen_and_i32(tmp, tmp, tmp2); | |
18c9b560 AZ |
1792 | } |
1793 | break; | |
1794 | case 1: | |
1795 | for (i = 0; i < 3; i ++) { | |
da6b5335 FN |
1796 | tcg_gen_shli_i32(tmp2, tmp2, 8); |
1797 | tcg_gen_and_i32(tmp, tmp, tmp2); | |
18c9b560 AZ |
1798 | } |
1799 | break; | |
1800 | case 2: | |
da6b5335 FN |
1801 | tcg_gen_shli_i32(tmp2, tmp2, 16); |
1802 | tcg_gen_and_i32(tmp, tmp, tmp2); | |
18c9b560 | 1803 | break; |
18c9b560 | 1804 | } |
da6b5335 FN |
1805 | gen_set_nzcv(tmp); |
1806 | dead_tmp(tmp2); | |
1807 | dead_tmp(tmp); | |
18c9b560 AZ |
1808 | break; |
1809 | case 0x01c: case 0x41c: case 0x81c: case 0xc1c: /* WACC */ | |
1810 | wrd = (insn >> 12) & 0xf; | |
1811 | rd0 = (insn >> 16) & 0xf; | |
1812 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1813 | switch ((insn >> 22) & 3) { | |
1814 | case 0: | |
e677137d | 1815 | gen_helper_iwmmxt_addcb(cpu_M0, cpu_M0); |
18c9b560 AZ |
1816 | break; |
1817 | case 1: | |
e677137d | 1818 | gen_helper_iwmmxt_addcw(cpu_M0, cpu_M0); |
18c9b560 AZ |
1819 | break; |
1820 | case 2: | |
e677137d | 1821 | gen_helper_iwmmxt_addcl(cpu_M0, cpu_M0); |
18c9b560 AZ |
1822 | break; |
1823 | case 3: | |
1824 | return 1; | |
1825 | } | |
1826 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1827 | gen_op_iwmmxt_set_mup(); | |
1828 | break; | |
1829 | case 0x115: case 0x515: case 0x915: case 0xd15: /* TORC */ | |
da6b5335 | 1830 | if ((insn & 0x000ff00f) != 0x0003f000 || ((insn >> 22) & 3) == 3) |
18c9b560 | 1831 | return 1; |
da6b5335 FN |
1832 | tmp = iwmmxt_load_creg(ARM_IWMMXT_wCASF); |
1833 | tmp2 = new_tmp(); | |
1834 | tcg_gen_mov_i32(tmp2, tmp); | |
18c9b560 AZ |
1835 | switch ((insn >> 22) & 3) { |
1836 | case 0: | |
1837 | for (i = 0; i < 7; i ++) { | |
da6b5335 FN |
1838 | tcg_gen_shli_i32(tmp2, tmp2, 4); |
1839 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
18c9b560 AZ |
1840 | } |
1841 | break; | |
1842 | case 1: | |
1843 | for (i = 0; i < 3; i ++) { | |
da6b5335 FN |
1844 | tcg_gen_shli_i32(tmp2, tmp2, 8); |
1845 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
18c9b560 AZ |
1846 | } |
1847 | break; | |
1848 | case 2: | |
da6b5335 FN |
1849 | tcg_gen_shli_i32(tmp2, tmp2, 16); |
1850 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
18c9b560 | 1851 | break; |
18c9b560 | 1852 | } |
da6b5335 FN |
1853 | gen_set_nzcv(tmp); |
1854 | dead_tmp(tmp2); | |
1855 | dead_tmp(tmp); | |
18c9b560 AZ |
1856 | break; |
1857 | case 0x103: case 0x503: case 0x903: case 0xd03: /* TMOVMSK */ | |
1858 | rd = (insn >> 12) & 0xf; | |
1859 | rd0 = (insn >> 16) & 0xf; | |
da6b5335 | 1860 | if ((insn & 0xf) != 0 || ((insn >> 22) & 3) == 3) |
18c9b560 AZ |
1861 | return 1; |
1862 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
da6b5335 | 1863 | tmp = new_tmp(); |
18c9b560 AZ |
1864 | switch ((insn >> 22) & 3) { |
1865 | case 0: | |
da6b5335 | 1866 | gen_helper_iwmmxt_msbb(tmp, cpu_M0); |
18c9b560 AZ |
1867 | break; |
1868 | case 1: | |
da6b5335 | 1869 | gen_helper_iwmmxt_msbw(tmp, cpu_M0); |
18c9b560 AZ |
1870 | break; |
1871 | case 2: | |
da6b5335 | 1872 | gen_helper_iwmmxt_msbl(tmp, cpu_M0); |
18c9b560 | 1873 | break; |
18c9b560 | 1874 | } |
da6b5335 | 1875 | store_reg(s, rd, tmp); |
18c9b560 AZ |
1876 | break; |
1877 | case 0x106: case 0x306: case 0x506: case 0x706: /* WCMPGT */ | |
1878 | case 0x906: case 0xb06: case 0xd06: case 0xf06: | |
1879 | wrd = (insn >> 12) & 0xf; | |
1880 | rd0 = (insn >> 16) & 0xf; | |
1881 | rd1 = (insn >> 0) & 0xf; | |
1882 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1883 | switch ((insn >> 22) & 3) { | |
1884 | case 0: | |
1885 | if (insn & (1 << 21)) | |
1886 | gen_op_iwmmxt_cmpgtsb_M0_wRn(rd1); | |
1887 | else | |
1888 | gen_op_iwmmxt_cmpgtub_M0_wRn(rd1); | |
1889 | break; | |
1890 | case 1: | |
1891 | if (insn & (1 << 21)) | |
1892 | gen_op_iwmmxt_cmpgtsw_M0_wRn(rd1); | |
1893 | else | |
1894 | gen_op_iwmmxt_cmpgtuw_M0_wRn(rd1); | |
1895 | break; | |
1896 | case 2: | |
1897 | if (insn & (1 << 21)) | |
1898 | gen_op_iwmmxt_cmpgtsl_M0_wRn(rd1); | |
1899 | else | |
1900 | gen_op_iwmmxt_cmpgtul_M0_wRn(rd1); | |
1901 | break; | |
1902 | case 3: | |
1903 | return 1; | |
1904 | } | |
1905 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1906 | gen_op_iwmmxt_set_mup(); | |
1907 | gen_op_iwmmxt_set_cup(); | |
1908 | break; | |
1909 | case 0x00e: case 0x20e: case 0x40e: case 0x60e: /* WUNPCKEL */ | |
1910 | case 0x80e: case 0xa0e: case 0xc0e: case 0xe0e: | |
1911 | wrd = (insn >> 12) & 0xf; | |
1912 | rd0 = (insn >> 16) & 0xf; | |
1913 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1914 | switch ((insn >> 22) & 3) { | |
1915 | case 0: | |
1916 | if (insn & (1 << 21)) | |
1917 | gen_op_iwmmxt_unpacklsb_M0(); | |
1918 | else | |
1919 | gen_op_iwmmxt_unpacklub_M0(); | |
1920 | break; | |
1921 | case 1: | |
1922 | if (insn & (1 << 21)) | |
1923 | gen_op_iwmmxt_unpacklsw_M0(); | |
1924 | else | |
1925 | gen_op_iwmmxt_unpackluw_M0(); | |
1926 | break; | |
1927 | case 2: | |
1928 | if (insn & (1 << 21)) | |
1929 | gen_op_iwmmxt_unpacklsl_M0(); | |
1930 | else | |
1931 | gen_op_iwmmxt_unpacklul_M0(); | |
1932 | break; | |
1933 | case 3: | |
1934 | return 1; | |
1935 | } | |
1936 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1937 | gen_op_iwmmxt_set_mup(); | |
1938 | gen_op_iwmmxt_set_cup(); | |
1939 | break; | |
1940 | case 0x00c: case 0x20c: case 0x40c: case 0x60c: /* WUNPCKEH */ | |
1941 | case 0x80c: case 0xa0c: case 0xc0c: case 0xe0c: | |
1942 | wrd = (insn >> 12) & 0xf; | |
1943 | rd0 = (insn >> 16) & 0xf; | |
1944 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
1945 | switch ((insn >> 22) & 3) { | |
1946 | case 0: | |
1947 | if (insn & (1 << 21)) | |
1948 | gen_op_iwmmxt_unpackhsb_M0(); | |
1949 | else | |
1950 | gen_op_iwmmxt_unpackhub_M0(); | |
1951 | break; | |
1952 | case 1: | |
1953 | if (insn & (1 << 21)) | |
1954 | gen_op_iwmmxt_unpackhsw_M0(); | |
1955 | else | |
1956 | gen_op_iwmmxt_unpackhuw_M0(); | |
1957 | break; | |
1958 | case 2: | |
1959 | if (insn & (1 << 21)) | |
1960 | gen_op_iwmmxt_unpackhsl_M0(); | |
1961 | else | |
1962 | gen_op_iwmmxt_unpackhul_M0(); | |
1963 | break; | |
1964 | case 3: | |
1965 | return 1; | |
1966 | } | |
1967 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
1968 | gen_op_iwmmxt_set_mup(); | |
1969 | gen_op_iwmmxt_set_cup(); | |
1970 | break; | |
1971 | case 0x204: case 0x604: case 0xa04: case 0xe04: /* WSRL */ | |
1972 | case 0x214: case 0x614: case 0xa14: case 0xe14: | |
da6b5335 FN |
1973 | if (((insn >> 22) & 3) == 0) |
1974 | return 1; | |
18c9b560 AZ |
1975 | wrd = (insn >> 12) & 0xf; |
1976 | rd0 = (insn >> 16) & 0xf; | |
1977 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
da6b5335 FN |
1978 | tmp = new_tmp(); |
1979 | if (gen_iwmmxt_shift(insn, 0xff, tmp)) { | |
1980 | dead_tmp(tmp); | |
18c9b560 | 1981 | return 1; |
da6b5335 | 1982 | } |
18c9b560 | 1983 | switch ((insn >> 22) & 3) { |
18c9b560 | 1984 | case 1: |
da6b5335 | 1985 | gen_helper_iwmmxt_srlw(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
1986 | break; |
1987 | case 2: | |
da6b5335 | 1988 | gen_helper_iwmmxt_srll(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
1989 | break; |
1990 | case 3: | |
da6b5335 | 1991 | gen_helper_iwmmxt_srlq(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
1992 | break; |
1993 | } | |
da6b5335 | 1994 | dead_tmp(tmp); |
18c9b560 AZ |
1995 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
1996 | gen_op_iwmmxt_set_mup(); | |
1997 | gen_op_iwmmxt_set_cup(); | |
1998 | break; | |
1999 | case 0x004: case 0x404: case 0x804: case 0xc04: /* WSRA */ | |
2000 | case 0x014: case 0x414: case 0x814: case 0xc14: | |
da6b5335 FN |
2001 | if (((insn >> 22) & 3) == 0) |
2002 | return 1; | |
18c9b560 AZ |
2003 | wrd = (insn >> 12) & 0xf; |
2004 | rd0 = (insn >> 16) & 0xf; | |
2005 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
da6b5335 FN |
2006 | tmp = new_tmp(); |
2007 | if (gen_iwmmxt_shift(insn, 0xff, tmp)) { | |
2008 | dead_tmp(tmp); | |
18c9b560 | 2009 | return 1; |
da6b5335 | 2010 | } |
18c9b560 | 2011 | switch ((insn >> 22) & 3) { |
18c9b560 | 2012 | case 1: |
da6b5335 | 2013 | gen_helper_iwmmxt_sraw(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
2014 | break; |
2015 | case 2: | |
da6b5335 | 2016 | gen_helper_iwmmxt_sral(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
2017 | break; |
2018 | case 3: | |
da6b5335 | 2019 | gen_helper_iwmmxt_sraq(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
2020 | break; |
2021 | } | |
da6b5335 | 2022 | dead_tmp(tmp); |
18c9b560 AZ |
2023 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2024 | gen_op_iwmmxt_set_mup(); | |
2025 | gen_op_iwmmxt_set_cup(); | |
2026 | break; | |
2027 | case 0x104: case 0x504: case 0x904: case 0xd04: /* WSLL */ | |
2028 | case 0x114: case 0x514: case 0x914: case 0xd14: | |
da6b5335 FN |
2029 | if (((insn >> 22) & 3) == 0) |
2030 | return 1; | |
18c9b560 AZ |
2031 | wrd = (insn >> 12) & 0xf; |
2032 | rd0 = (insn >> 16) & 0xf; | |
2033 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
da6b5335 FN |
2034 | tmp = new_tmp(); |
2035 | if (gen_iwmmxt_shift(insn, 0xff, tmp)) { | |
2036 | dead_tmp(tmp); | |
18c9b560 | 2037 | return 1; |
da6b5335 | 2038 | } |
18c9b560 | 2039 | switch ((insn >> 22) & 3) { |
18c9b560 | 2040 | case 1: |
da6b5335 | 2041 | gen_helper_iwmmxt_sllw(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
2042 | break; |
2043 | case 2: | |
da6b5335 | 2044 | gen_helper_iwmmxt_slll(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
2045 | break; |
2046 | case 3: | |
da6b5335 | 2047 | gen_helper_iwmmxt_sllq(cpu_M0, cpu_env, cpu_M0, tmp); |
18c9b560 AZ |
2048 | break; |
2049 | } | |
da6b5335 | 2050 | dead_tmp(tmp); |
18c9b560 AZ |
2051 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2052 | gen_op_iwmmxt_set_mup(); | |
2053 | gen_op_iwmmxt_set_cup(); | |
2054 | break; | |
2055 | case 0x304: case 0x704: case 0xb04: case 0xf04: /* WROR */ | |
2056 | case 0x314: case 0x714: case 0xb14: case 0xf14: | |
da6b5335 FN |
2057 | if (((insn >> 22) & 3) == 0) |
2058 | return 1; | |
18c9b560 AZ |
2059 | wrd = (insn >> 12) & 0xf; |
2060 | rd0 = (insn >> 16) & 0xf; | |
2061 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
da6b5335 | 2062 | tmp = new_tmp(); |
18c9b560 | 2063 | switch ((insn >> 22) & 3) { |
18c9b560 | 2064 | case 1: |
da6b5335 FN |
2065 | if (gen_iwmmxt_shift(insn, 0xf, tmp)) { |
2066 | dead_tmp(tmp); | |
18c9b560 | 2067 | return 1; |
da6b5335 FN |
2068 | } |
2069 | gen_helper_iwmmxt_rorw(cpu_M0, cpu_env, cpu_M0, tmp); | |
18c9b560 AZ |
2070 | break; |
2071 | case 2: | |
da6b5335 FN |
2072 | if (gen_iwmmxt_shift(insn, 0x1f, tmp)) { |
2073 | dead_tmp(tmp); | |
18c9b560 | 2074 | return 1; |
da6b5335 FN |
2075 | } |
2076 | gen_helper_iwmmxt_rorl(cpu_M0, cpu_env, cpu_M0, tmp); | |
18c9b560 AZ |
2077 | break; |
2078 | case 3: | |
da6b5335 FN |
2079 | if (gen_iwmmxt_shift(insn, 0x3f, tmp)) { |
2080 | dead_tmp(tmp); | |
18c9b560 | 2081 | return 1; |
da6b5335 FN |
2082 | } |
2083 | gen_helper_iwmmxt_rorq(cpu_M0, cpu_env, cpu_M0, tmp); | |
18c9b560 AZ |
2084 | break; |
2085 | } | |
da6b5335 | 2086 | dead_tmp(tmp); |
18c9b560 AZ |
2087 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2088 | gen_op_iwmmxt_set_mup(); | |
2089 | gen_op_iwmmxt_set_cup(); | |
2090 | break; | |
2091 | case 0x116: case 0x316: case 0x516: case 0x716: /* WMIN */ | |
2092 | case 0x916: case 0xb16: case 0xd16: case 0xf16: | |
2093 | wrd = (insn >> 12) & 0xf; | |
2094 | rd0 = (insn >> 16) & 0xf; | |
2095 | rd1 = (insn >> 0) & 0xf; | |
2096 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
2097 | switch ((insn >> 22) & 3) { | |
2098 | case 0: | |
2099 | if (insn & (1 << 21)) | |
2100 | gen_op_iwmmxt_minsb_M0_wRn(rd1); | |
2101 | else | |
2102 | gen_op_iwmmxt_minub_M0_wRn(rd1); | |
2103 | break; | |
2104 | case 1: | |
2105 | if (insn & (1 << 21)) | |
2106 | gen_op_iwmmxt_minsw_M0_wRn(rd1); | |
2107 | else | |
2108 | gen_op_iwmmxt_minuw_M0_wRn(rd1); | |
2109 | break; | |
2110 | case 2: | |
2111 | if (insn & (1 << 21)) | |
2112 | gen_op_iwmmxt_minsl_M0_wRn(rd1); | |
2113 | else | |
2114 | gen_op_iwmmxt_minul_M0_wRn(rd1); | |
2115 | break; | |
2116 | case 3: | |
2117 | return 1; | |
2118 | } | |
2119 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
2120 | gen_op_iwmmxt_set_mup(); | |
2121 | break; | |
2122 | case 0x016: case 0x216: case 0x416: case 0x616: /* WMAX */ | |
2123 | case 0x816: case 0xa16: case 0xc16: case 0xe16: | |
2124 | wrd = (insn >> 12) & 0xf; | |
2125 | rd0 = (insn >> 16) & 0xf; | |
2126 | rd1 = (insn >> 0) & 0xf; | |
2127 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
2128 | switch ((insn >> 22) & 3) { | |
2129 | case 0: | |
2130 | if (insn & (1 << 21)) | |
2131 | gen_op_iwmmxt_maxsb_M0_wRn(rd1); | |
2132 | else | |
2133 | gen_op_iwmmxt_maxub_M0_wRn(rd1); | |
2134 | break; | |
2135 | case 1: | |
2136 | if (insn & (1 << 21)) | |
2137 | gen_op_iwmmxt_maxsw_M0_wRn(rd1); | |
2138 | else | |
2139 | gen_op_iwmmxt_maxuw_M0_wRn(rd1); | |
2140 | break; | |
2141 | case 2: | |
2142 | if (insn & (1 << 21)) | |
2143 | gen_op_iwmmxt_maxsl_M0_wRn(rd1); | |
2144 | else | |
2145 | gen_op_iwmmxt_maxul_M0_wRn(rd1); | |
2146 | break; | |
2147 | case 3: | |
2148 | return 1; | |
2149 | } | |
2150 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
2151 | gen_op_iwmmxt_set_mup(); | |
2152 | break; | |
2153 | case 0x002: case 0x102: case 0x202: case 0x302: /* WALIGNI */ | |
2154 | case 0x402: case 0x502: case 0x602: case 0x702: | |
2155 | wrd = (insn >> 12) & 0xf; | |
2156 | rd0 = (insn >> 16) & 0xf; | |
2157 | rd1 = (insn >> 0) & 0xf; | |
2158 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
da6b5335 FN |
2159 | tmp = tcg_const_i32((insn >> 20) & 3); |
2160 | iwmmxt_load_reg(cpu_V1, rd1); | |
2161 | gen_helper_iwmmxt_align(cpu_M0, cpu_M0, cpu_V1, tmp); | |
2162 | tcg_temp_free(tmp); | |
18c9b560 AZ |
2163 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2164 | gen_op_iwmmxt_set_mup(); | |
2165 | break; | |
2166 | case 0x01a: case 0x11a: case 0x21a: case 0x31a: /* WSUB */ | |
2167 | case 0x41a: case 0x51a: case 0x61a: case 0x71a: | |
2168 | case 0x81a: case 0x91a: case 0xa1a: case 0xb1a: | |
2169 | case 0xc1a: case 0xd1a: case 0xe1a: case 0xf1a: | |
2170 | wrd = (insn >> 12) & 0xf; | |
2171 | rd0 = (insn >> 16) & 0xf; | |
2172 | rd1 = (insn >> 0) & 0xf; | |
2173 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
2174 | switch ((insn >> 20) & 0xf) { | |
2175 | case 0x0: | |
2176 | gen_op_iwmmxt_subnb_M0_wRn(rd1); | |
2177 | break; | |
2178 | case 0x1: | |
2179 | gen_op_iwmmxt_subub_M0_wRn(rd1); | |
2180 | break; | |
2181 | case 0x3: | |
2182 | gen_op_iwmmxt_subsb_M0_wRn(rd1); | |
2183 | break; | |
2184 | case 0x4: | |
2185 | gen_op_iwmmxt_subnw_M0_wRn(rd1); | |
2186 | break; | |
2187 | case 0x5: | |
2188 | gen_op_iwmmxt_subuw_M0_wRn(rd1); | |
2189 | break; | |
2190 | case 0x7: | |
2191 | gen_op_iwmmxt_subsw_M0_wRn(rd1); | |
2192 | break; | |
2193 | case 0x8: | |
2194 | gen_op_iwmmxt_subnl_M0_wRn(rd1); | |
2195 | break; | |
2196 | case 0x9: | |
2197 | gen_op_iwmmxt_subul_M0_wRn(rd1); | |
2198 | break; | |
2199 | case 0xb: | |
2200 | gen_op_iwmmxt_subsl_M0_wRn(rd1); | |
2201 | break; | |
2202 | default: | |
2203 | return 1; | |
2204 | } | |
2205 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
2206 | gen_op_iwmmxt_set_mup(); | |
2207 | gen_op_iwmmxt_set_cup(); | |
2208 | break; | |
2209 | case 0x01e: case 0x11e: case 0x21e: case 0x31e: /* WSHUFH */ | |
2210 | case 0x41e: case 0x51e: case 0x61e: case 0x71e: | |
2211 | case 0x81e: case 0x91e: case 0xa1e: case 0xb1e: | |
2212 | case 0xc1e: case 0xd1e: case 0xe1e: case 0xf1e: | |
2213 | wrd = (insn >> 12) & 0xf; | |
2214 | rd0 = (insn >> 16) & 0xf; | |
2215 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
da6b5335 FN |
2216 | tmp = tcg_const_i32(((insn >> 16) & 0xf0) | (insn & 0x0f)); |
2217 | gen_helper_iwmmxt_shufh(cpu_M0, cpu_env, cpu_M0, tmp); | |
2218 | tcg_temp_free(tmp); | |
18c9b560 AZ |
2219 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2220 | gen_op_iwmmxt_set_mup(); | |
2221 | gen_op_iwmmxt_set_cup(); | |
2222 | break; | |
2223 | case 0x018: case 0x118: case 0x218: case 0x318: /* WADD */ | |
2224 | case 0x418: case 0x518: case 0x618: case 0x718: | |
2225 | case 0x818: case 0x918: case 0xa18: case 0xb18: | |
2226 | case 0xc18: case 0xd18: case 0xe18: case 0xf18: | |
2227 | wrd = (insn >> 12) & 0xf; | |
2228 | rd0 = (insn >> 16) & 0xf; | |
2229 | rd1 = (insn >> 0) & 0xf; | |
2230 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
2231 | switch ((insn >> 20) & 0xf) { | |
2232 | case 0x0: | |
2233 | gen_op_iwmmxt_addnb_M0_wRn(rd1); | |
2234 | break; | |
2235 | case 0x1: | |
2236 | gen_op_iwmmxt_addub_M0_wRn(rd1); | |
2237 | break; | |
2238 | case 0x3: | |
2239 | gen_op_iwmmxt_addsb_M0_wRn(rd1); | |
2240 | break; | |
2241 | case 0x4: | |
2242 | gen_op_iwmmxt_addnw_M0_wRn(rd1); | |
2243 | break; | |
2244 | case 0x5: | |
2245 | gen_op_iwmmxt_adduw_M0_wRn(rd1); | |
2246 | break; | |
2247 | case 0x7: | |
2248 | gen_op_iwmmxt_addsw_M0_wRn(rd1); | |
2249 | break; | |
2250 | case 0x8: | |
2251 | gen_op_iwmmxt_addnl_M0_wRn(rd1); | |
2252 | break; | |
2253 | case 0x9: | |
2254 | gen_op_iwmmxt_addul_M0_wRn(rd1); | |
2255 | break; | |
2256 | case 0xb: | |
2257 | gen_op_iwmmxt_addsl_M0_wRn(rd1); | |
2258 | break; | |
2259 | default: | |
2260 | return 1; | |
2261 | } | |
2262 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
2263 | gen_op_iwmmxt_set_mup(); | |
2264 | gen_op_iwmmxt_set_cup(); | |
2265 | break; | |
2266 | case 0x008: case 0x108: case 0x208: case 0x308: /* WPACK */ | |
2267 | case 0x408: case 0x508: case 0x608: case 0x708: | |
2268 | case 0x808: case 0x908: case 0xa08: case 0xb08: | |
2269 | case 0xc08: case 0xd08: case 0xe08: case 0xf08: | |
da6b5335 FN |
2270 | if (!(insn & (1 << 20)) || ((insn >> 22) & 3) == 0) |
2271 | return 1; | |
18c9b560 AZ |
2272 | wrd = (insn >> 12) & 0xf; |
2273 | rd0 = (insn >> 16) & 0xf; | |
2274 | rd1 = (insn >> 0) & 0xf; | |
2275 | gen_op_iwmmxt_movq_M0_wRn(rd0); | |
18c9b560 | 2276 | switch ((insn >> 22) & 3) { |
18c9b560 AZ |
2277 | case 1: |
2278 | if (insn & (1 << 21)) | |
2279 | gen_op_iwmmxt_packsw_M0_wRn(rd1); | |
2280 | else | |
2281 | gen_op_iwmmxt_packuw_M0_wRn(rd1); | |
2282 | break; | |
2283 | case 2: | |
2284 | if (insn & (1 << 21)) | |
2285 | gen_op_iwmmxt_packsl_M0_wRn(rd1); | |
2286 | else | |
2287 | gen_op_iwmmxt_packul_M0_wRn(rd1); | |
2288 | break; | |
2289 | case 3: | |
2290 | if (insn & (1 << 21)) | |
2291 | gen_op_iwmmxt_packsq_M0_wRn(rd1); | |
2292 | else | |
2293 | gen_op_iwmmxt_packuq_M0_wRn(rd1); | |
2294 | break; | |
2295 | } | |
2296 | gen_op_iwmmxt_movq_wRn_M0(wrd); | |
2297 | gen_op_iwmmxt_set_mup(); | |
2298 | gen_op_iwmmxt_set_cup(); | |
2299 | break; | |
2300 | case 0x201: case 0x203: case 0x205: case 0x207: | |
2301 | case 0x209: case 0x20b: case 0x20d: case 0x20f: | |
2302 | case 0x211: case 0x213: case 0x215: case 0x217: | |
2303 | case 0x219: case 0x21b: case 0x21d: case 0x21f: | |
2304 | wrd = (insn >> 5) & 0xf; | |
2305 | rd0 = (insn >> 12) & 0xf; | |
2306 | rd1 = (insn >> 0) & 0xf; | |
2307 | if (rd0 == 0xf || rd1 == 0xf) | |
2308 | return 1; | |
2309 | gen_op_iwmmxt_movq_M0_wRn(wrd); | |
da6b5335 FN |
2310 | tmp = load_reg(s, rd0); |
2311 | tmp2 = load_reg(s, rd1); | |
18c9b560 AZ |
2312 | switch ((insn >> 16) & 0xf) { |
2313 | case 0x0: /* TMIA */ | |
da6b5335 | 2314 | gen_helper_iwmmxt_muladdsl(cpu_M0, cpu_M0, tmp, tmp2); |
18c9b560 AZ |
2315 | break; |
2316 | case 0x8: /* TMIAPH */ | |
da6b5335 | 2317 | gen_helper_iwmmxt_muladdsw(cpu_M0, cpu_M0, tmp, tmp2); |
18c9b560 AZ |
2318 | break; |
2319 | case 0xc: case 0xd: case 0xe: case 0xf: /* TMIAxy */ | |
18c9b560 | 2320 | if (insn & (1 << 16)) |
da6b5335 | 2321 | tcg_gen_shri_i32(tmp, tmp, 16); |
18c9b560 | 2322 | if (insn & (1 << 17)) |
da6b5335 FN |
2323 | tcg_gen_shri_i32(tmp2, tmp2, 16); |
2324 | gen_helper_iwmmxt_muladdswl(cpu_M0, cpu_M0, tmp, tmp2); | |
18c9b560 AZ |
2325 | break; |
2326 | default: | |
da6b5335 FN |
2327 | dead_tmp(tmp2); |
2328 | dead_tmp(tmp); | |
18c9b560 AZ |
2329 | return 1; |
2330 | } | |
da6b5335 FN |
2331 | dead_tmp(tmp2); |
2332 | dead_tmp(tmp); | |
18c9b560 AZ |
2333 | gen_op_iwmmxt_movq_wRn_M0(wrd); |
2334 | gen_op_iwmmxt_set_mup(); | |
2335 | break; | |
2336 | default: | |
2337 | return 1; | |
2338 | } | |
2339 | ||
2340 | return 0; | |
2341 | } | |
2342 | ||
2343 | /* Disassemble an XScale DSP instruction. Returns nonzero if an error occured | |
2344 | (ie. an undefined instruction). */ | |
2345 | static int disas_dsp_insn(CPUState *env, DisasContext *s, uint32_t insn) | |
2346 | { | |
2347 | int acc, rd0, rd1, rdhi, rdlo; | |
3a554c0f | 2348 | TCGv tmp, tmp2; |
18c9b560 AZ |
2349 | |
2350 | if ((insn & 0x0ff00f10) == 0x0e200010) { | |
2351 | /* Multiply with Internal Accumulate Format */ | |
2352 | rd0 = (insn >> 12) & 0xf; | |
2353 | rd1 = insn & 0xf; | |
2354 | acc = (insn >> 5) & 7; | |
2355 | ||
2356 | if (acc != 0) | |
2357 | return 1; | |
2358 | ||
3a554c0f FN |
2359 | tmp = load_reg(s, rd0); |
2360 | tmp2 = load_reg(s, rd1); | |
18c9b560 AZ |
2361 | switch ((insn >> 16) & 0xf) { |
2362 | case 0x0: /* MIA */ | |
3a554c0f | 2363 | gen_helper_iwmmxt_muladdsl(cpu_M0, cpu_M0, tmp, tmp2); |
18c9b560 AZ |
2364 | break; |
2365 | case 0x8: /* MIAPH */ | |
3a554c0f | 2366 | gen_helper_iwmmxt_muladdsw(cpu_M0, cpu_M0, tmp, tmp2); |
18c9b560 AZ |
2367 | break; |
2368 | case 0xc: /* MIABB */ | |
2369 | case 0xd: /* MIABT */ | |
2370 | case 0xe: /* MIATB */ | |
2371 | case 0xf: /* MIATT */ | |
18c9b560 | 2372 | if (insn & (1 << 16)) |
3a554c0f | 2373 | tcg_gen_shri_i32(tmp, tmp, 16); |
18c9b560 | 2374 | if (insn & (1 << 17)) |
3a554c0f FN |
2375 | tcg_gen_shri_i32(tmp2, tmp2, 16); |
2376 | gen_helper_iwmmxt_muladdswl(cpu_M0, cpu_M0, tmp, tmp2); | |
18c9b560 AZ |
2377 | break; |
2378 | default: | |
2379 | return 1; | |
2380 | } | |
3a554c0f FN |
2381 | dead_tmp(tmp2); |
2382 | dead_tmp(tmp); | |
18c9b560 AZ |
2383 | |
2384 | gen_op_iwmmxt_movq_wRn_M0(acc); | |
2385 | return 0; | |
2386 | } | |
2387 | ||
2388 | if ((insn & 0x0fe00ff8) == 0x0c400000) { | |
2389 | /* Internal Accumulator Access Format */ | |
2390 | rdhi = (insn >> 16) & 0xf; | |
2391 | rdlo = (insn >> 12) & 0xf; | |
2392 | acc = insn & 7; | |
2393 | ||
2394 | if (acc != 0) | |
2395 | return 1; | |
2396 | ||
2397 | if (insn & ARM_CP_RW_BIT) { /* MRA */ | |
3a554c0f FN |
2398 | iwmmxt_load_reg(cpu_V0, acc); |
2399 | tcg_gen_trunc_i64_i32(cpu_R[rdlo], cpu_V0); | |
2400 | tcg_gen_shri_i64(cpu_V0, cpu_V0, 32); | |
2401 | tcg_gen_trunc_i64_i32(cpu_R[rdhi], cpu_V0); | |
2402 | tcg_gen_andi_i32(cpu_R[rdhi], cpu_R[rdhi], (1 << (40 - 32)) - 1); | |
18c9b560 | 2403 | } else { /* MAR */ |
3a554c0f FN |
2404 | tcg_gen_concat_i32_i64(cpu_V0, cpu_R[rdlo], cpu_R[rdhi]); |
2405 | iwmmxt_store_reg(cpu_V0, acc); | |
18c9b560 AZ |
2406 | } |
2407 | return 0; | |
2408 | } | |
2409 | ||
2410 | return 1; | |
2411 | } | |
2412 | ||
c1713132 AZ |
2413 | /* Disassemble system coprocessor instruction. Return nonzero if |
2414 | instruction is not defined. */ | |
2415 | static int disas_cp_insn(CPUState *env, DisasContext *s, uint32_t insn) | |
2416 | { | |
b75263d6 | 2417 | TCGv tmp, tmp2; |
c1713132 AZ |
2418 | uint32_t rd = (insn >> 12) & 0xf; |
2419 | uint32_t cp = (insn >> 8) & 0xf; | |
2420 | if (IS_USER(s)) { | |
2421 | return 1; | |
2422 | } | |
2423 | ||
18c9b560 | 2424 | if (insn & ARM_CP_RW_BIT) { |
c1713132 AZ |
2425 | if (!env->cp[cp].cp_read) |
2426 | return 1; | |
8984bd2e PB |
2427 | gen_set_pc_im(s->pc); |
2428 | tmp = new_tmp(); | |
b75263d6 JR |
2429 | tmp2 = tcg_const_i32(insn); |
2430 | gen_helper_get_cp(tmp, cpu_env, tmp2); | |
2431 | tcg_temp_free(tmp2); | |
8984bd2e | 2432 | store_reg(s, rd, tmp); |
c1713132 AZ |
2433 | } else { |
2434 | if (!env->cp[cp].cp_write) | |
2435 | return 1; | |
8984bd2e PB |
2436 | gen_set_pc_im(s->pc); |
2437 | tmp = load_reg(s, rd); | |
b75263d6 JR |
2438 | tmp2 = tcg_const_i32(insn); |
2439 | gen_helper_set_cp(cpu_env, tmp2, tmp); | |
2440 | tcg_temp_free(tmp2); | |
a60de947 | 2441 | dead_tmp(tmp); |
c1713132 AZ |
2442 | } |
2443 | return 0; | |
2444 | } | |
2445 | ||
9ee6e8bb PB |
2446 | static int cp15_user_ok(uint32_t insn) |
2447 | { | |
2448 | int cpn = (insn >> 16) & 0xf; | |
2449 | int cpm = insn & 0xf; | |
2450 | int op = ((insn >> 5) & 7) | ((insn >> 18) & 0x38); | |
2451 | ||
2452 | if (cpn == 13 && cpm == 0) { | |
2453 | /* TLS register. */ | |
2454 | if (op == 2 || (op == 3 && (insn & ARM_CP_RW_BIT))) | |
2455 | return 1; | |
2456 | } | |
2457 | if (cpn == 7) { | |
2458 | /* ISB, DSB, DMB. */ | |
2459 | if ((cpm == 5 && op == 4) | |
2460 | || (cpm == 10 && (op == 4 || op == 5))) | |
2461 | return 1; | |
2462 | } | |
2463 | return 0; | |
2464 | } | |
2465 | ||
3f26c122 RV |
2466 | static int cp15_tls_load_store(CPUState *env, DisasContext *s, uint32_t insn, uint32_t rd) |
2467 | { | |
2468 | TCGv tmp; | |
2469 | int cpn = (insn >> 16) & 0xf; | |
2470 | int cpm = insn & 0xf; | |
2471 | int op = ((insn >> 5) & 7) | ((insn >> 18) & 0x38); | |
2472 | ||
2473 | if (!arm_feature(env, ARM_FEATURE_V6K)) | |
2474 | return 0; | |
2475 | ||
2476 | if (!(cpn == 13 && cpm == 0)) | |
2477 | return 0; | |
2478 | ||
2479 | if (insn & ARM_CP_RW_BIT) { | |
3f26c122 RV |
2480 | switch (op) { |
2481 | case 2: | |
c5883be2 | 2482 | tmp = load_cpu_field(cp15.c13_tls1); |
3f26c122 RV |
2483 | break; |
2484 | case 3: | |
c5883be2 | 2485 | tmp = load_cpu_field(cp15.c13_tls2); |
3f26c122 RV |
2486 | break; |
2487 | case 4: | |
c5883be2 | 2488 | tmp = load_cpu_field(cp15.c13_tls3); |
3f26c122 RV |
2489 | break; |
2490 | default: | |
3f26c122 RV |
2491 | return 0; |
2492 | } | |
2493 | store_reg(s, rd, tmp); | |
2494 | ||
2495 | } else { | |
2496 | tmp = load_reg(s, rd); | |
2497 | switch (op) { | |
2498 | case 2: | |
c5883be2 | 2499 | store_cpu_field(tmp, cp15.c13_tls1); |
3f26c122 RV |
2500 | break; |
2501 | case 3: | |
c5883be2 | 2502 | store_cpu_field(tmp, cp15.c13_tls2); |
3f26c122 RV |
2503 | break; |
2504 | case 4: | |
c5883be2 | 2505 | store_cpu_field(tmp, cp15.c13_tls3); |
3f26c122 RV |
2506 | break; |
2507 | default: | |
c5883be2 | 2508 | dead_tmp(tmp); |
3f26c122 RV |
2509 | return 0; |
2510 | } | |
3f26c122 RV |
2511 | } |
2512 | return 1; | |
2513 | } | |
2514 | ||
b5ff1b31 FB |
2515 | /* Disassemble system coprocessor (cp15) instruction. Return nonzero if |
2516 | instruction is not defined. */ | |
a90b7318 | 2517 | static int disas_cp15_insn(CPUState *env, DisasContext *s, uint32_t insn) |
b5ff1b31 FB |
2518 | { |
2519 | uint32_t rd; | |
b75263d6 | 2520 | TCGv tmp, tmp2; |
b5ff1b31 | 2521 | |
9ee6e8bb PB |
2522 | /* M profile cores use memory mapped registers instead of cp15. */ |
2523 | if (arm_feature(env, ARM_FEATURE_M)) | |
2524 | return 1; | |
2525 | ||
2526 | if ((insn & (1 << 25)) == 0) { | |
2527 | if (insn & (1 << 20)) { | |
2528 | /* mrrc */ | |
2529 | return 1; | |
2530 | } | |
2531 | /* mcrr. Used for block cache operations, so implement as no-op. */ | |
2532 | return 0; | |
2533 | } | |
2534 | if ((insn & (1 << 4)) == 0) { | |
2535 | /* cdp */ | |
2536 | return 1; | |
2537 | } | |
2538 | if (IS_USER(s) && !cp15_user_ok(insn)) { | |
b5ff1b31 FB |
2539 | return 1; |
2540 | } | |
9332f9da FB |
2541 | if ((insn & 0x0fff0fff) == 0x0e070f90 |
2542 | || (insn & 0x0fff0fff) == 0x0e070f58) { | |
2543 | /* Wait for interrupt. */ | |
8984bd2e | 2544 | gen_set_pc_im(s->pc); |
9ee6e8bb | 2545 | s->is_jmp = DISAS_WFI; |
9332f9da FB |
2546 | return 0; |
2547 | } | |
b5ff1b31 | 2548 | rd = (insn >> 12) & 0xf; |
3f26c122 RV |
2549 | |
2550 | if (cp15_tls_load_store(env, s, insn, rd)) | |
2551 | return 0; | |
2552 | ||
b75263d6 | 2553 | tmp2 = tcg_const_i32(insn); |
18c9b560 | 2554 | if (insn & ARM_CP_RW_BIT) { |
8984bd2e | 2555 | tmp = new_tmp(); |
b75263d6 | 2556 | gen_helper_get_cp15(tmp, cpu_env, tmp2); |
b5ff1b31 FB |
2557 | /* If the destination register is r15 then sets condition codes. */ |
2558 | if (rd != 15) | |
8984bd2e PB |
2559 | store_reg(s, rd, tmp); |
2560 | else | |
2561 | dead_tmp(tmp); | |
b5ff1b31 | 2562 | } else { |
8984bd2e | 2563 | tmp = load_reg(s, rd); |
b75263d6 | 2564 | gen_helper_set_cp15(cpu_env, tmp2, tmp); |
8984bd2e | 2565 | dead_tmp(tmp); |
a90b7318 AZ |
2566 | /* Normally we would always end the TB here, but Linux |
2567 | * arch/arm/mach-pxa/sleep.S expects two instructions following | |
2568 | * an MMU enable to execute from cache. Imitate this behaviour. */ | |
2569 | if (!arm_feature(env, ARM_FEATURE_XSCALE) || | |
2570 | (insn & 0x0fff0fff) != 0x0e010f10) | |
2571 | gen_lookup_tb(s); | |
b5ff1b31 | 2572 | } |
b75263d6 | 2573 | tcg_temp_free_i32(tmp2); |
b5ff1b31 FB |
2574 | return 0; |
2575 | } | |
2576 | ||
9ee6e8bb PB |
2577 | #define VFP_REG_SHR(x, n) (((n) > 0) ? (x) >> (n) : (x) << -(n)) |
2578 | #define VFP_SREG(insn, bigbit, smallbit) \ | |
2579 | ((VFP_REG_SHR(insn, bigbit - 1) & 0x1e) | (((insn) >> (smallbit)) & 1)) | |
2580 | #define VFP_DREG(reg, insn, bigbit, smallbit) do { \ | |
2581 | if (arm_feature(env, ARM_FEATURE_VFP3)) { \ | |
2582 | reg = (((insn) >> (bigbit)) & 0x0f) \ | |
2583 | | (((insn) >> ((smallbit) - 4)) & 0x10); \ | |
2584 | } else { \ | |
2585 | if (insn & (1 << (smallbit))) \ | |
2586 | return 1; \ | |
2587 | reg = ((insn) >> (bigbit)) & 0x0f; \ | |
2588 | }} while (0) | |
2589 | ||
2590 | #define VFP_SREG_D(insn) VFP_SREG(insn, 12, 22) | |
2591 | #define VFP_DREG_D(reg, insn) VFP_DREG(reg, insn, 12, 22) | |
2592 | #define VFP_SREG_N(insn) VFP_SREG(insn, 16, 7) | |
2593 | #define VFP_DREG_N(reg, insn) VFP_DREG(reg, insn, 16, 7) | |
2594 | #define VFP_SREG_M(insn) VFP_SREG(insn, 0, 5) | |
2595 | #define VFP_DREG_M(reg, insn) VFP_DREG(reg, insn, 0, 5) | |
2596 | ||
4373f3ce PB |
2597 | /* Move between integer and VFP cores. */ |
2598 | static TCGv gen_vfp_mrs(void) | |
2599 | { | |
2600 | TCGv tmp = new_tmp(); | |
2601 | tcg_gen_mov_i32(tmp, cpu_F0s); | |
2602 | return tmp; | |
2603 | } | |
2604 | ||
2605 | static void gen_vfp_msr(TCGv tmp) | |
2606 | { | |
2607 | tcg_gen_mov_i32(cpu_F0s, tmp); | |
2608 | dead_tmp(tmp); | |
2609 | } | |
2610 | ||
ad69471c PB |
2611 | static void gen_neon_dup_u8(TCGv var, int shift) |
2612 | { | |
2613 | TCGv tmp = new_tmp(); | |
2614 | if (shift) | |
2615 | tcg_gen_shri_i32(var, var, shift); | |
86831435 | 2616 | tcg_gen_ext8u_i32(var, var); |
ad69471c PB |
2617 | tcg_gen_shli_i32(tmp, var, 8); |
2618 | tcg_gen_or_i32(var, var, tmp); | |
2619 | tcg_gen_shli_i32(tmp, var, 16); | |
2620 | tcg_gen_or_i32(var, var, tmp); | |
2621 | dead_tmp(tmp); | |
2622 | } | |
2623 | ||
2624 | static void gen_neon_dup_low16(TCGv var) | |
2625 | { | |
2626 | TCGv tmp = new_tmp(); | |
86831435 | 2627 | tcg_gen_ext16u_i32(var, var); |
ad69471c PB |
2628 | tcg_gen_shli_i32(tmp, var, 16); |
2629 | tcg_gen_or_i32(var, var, tmp); | |
2630 | dead_tmp(tmp); | |
2631 | } | |
2632 | ||
2633 | static void gen_neon_dup_high16(TCGv var) | |
2634 | { | |
2635 | TCGv tmp = new_tmp(); | |
2636 | tcg_gen_andi_i32(var, var, 0xffff0000); | |
2637 | tcg_gen_shri_i32(tmp, var, 16); | |
2638 | tcg_gen_or_i32(var, var, tmp); | |
2639 | dead_tmp(tmp); | |
2640 | } | |
2641 | ||
b7bcbe95 FB |
2642 | /* Disassemble a VFP instruction. Returns nonzero if an error occured |
2643 | (ie. an undefined instruction). */ | |
2644 | static int disas_vfp_insn(CPUState * env, DisasContext *s, uint32_t insn) | |
2645 | { | |
2646 | uint32_t rd, rn, rm, op, i, n, offset, delta_d, delta_m, bank_mask; | |
2647 | int dp, veclen; | |
312eea9f | 2648 | TCGv addr; |
4373f3ce | 2649 | TCGv tmp; |
ad69471c | 2650 | TCGv tmp2; |
b7bcbe95 | 2651 | |
40f137e1 PB |
2652 | if (!arm_feature(env, ARM_FEATURE_VFP)) |
2653 | return 1; | |
2654 | ||
5df8bac1 | 2655 | if (!s->vfp_enabled) { |
9ee6e8bb | 2656 | /* VFP disabled. Only allow fmxr/fmrx to/from some control regs. */ |
40f137e1 PB |
2657 | if ((insn & 0x0fe00fff) != 0x0ee00a10) |
2658 | return 1; | |
2659 | rn = (insn >> 16) & 0xf; | |
9ee6e8bb PB |
2660 | if (rn != ARM_VFP_FPSID && rn != ARM_VFP_FPEXC |
2661 | && rn != ARM_VFP_MVFR1 && rn != ARM_VFP_MVFR0) | |
40f137e1 PB |
2662 | return 1; |
2663 | } | |
b7bcbe95 FB |
2664 | dp = ((insn & 0xf00) == 0xb00); |
2665 | switch ((insn >> 24) & 0xf) { | |
2666 | case 0xe: | |
2667 | if (insn & (1 << 4)) { | |
2668 | /* single register transfer */ | |
b7bcbe95 FB |
2669 | rd = (insn >> 12) & 0xf; |
2670 | if (dp) { | |
9ee6e8bb PB |
2671 | int size; |
2672 | int pass; | |
2673 | ||
2674 | VFP_DREG_N(rn, insn); | |
2675 | if (insn & 0xf) | |
b7bcbe95 | 2676 | return 1; |
9ee6e8bb PB |
2677 | if (insn & 0x00c00060 |
2678 | && !arm_feature(env, ARM_FEATURE_NEON)) | |
2679 | return 1; | |
2680 | ||
2681 | pass = (insn >> 21) & 1; | |
2682 | if (insn & (1 << 22)) { | |
2683 | size = 0; | |
2684 | offset = ((insn >> 5) & 3) * 8; | |
2685 | } else if (insn & (1 << 5)) { | |
2686 | size = 1; | |
2687 | offset = (insn & (1 << 6)) ? 16 : 0; | |
2688 | } else { | |
2689 | size = 2; | |
2690 | offset = 0; | |
2691 | } | |
18c9b560 | 2692 | if (insn & ARM_CP_RW_BIT) { |
b7bcbe95 | 2693 | /* vfp->arm */ |
ad69471c | 2694 | tmp = neon_load_reg(rn, pass); |
9ee6e8bb PB |
2695 | switch (size) { |
2696 | case 0: | |
9ee6e8bb | 2697 | if (offset) |
ad69471c | 2698 | tcg_gen_shri_i32(tmp, tmp, offset); |
9ee6e8bb | 2699 | if (insn & (1 << 23)) |
ad69471c | 2700 | gen_uxtb(tmp); |
9ee6e8bb | 2701 | else |
ad69471c | 2702 | gen_sxtb(tmp); |
9ee6e8bb PB |
2703 | break; |
2704 | case 1: | |
9ee6e8bb PB |
2705 | if (insn & (1 << 23)) { |
2706 | if (offset) { | |
ad69471c | 2707 | tcg_gen_shri_i32(tmp, tmp, 16); |
9ee6e8bb | 2708 | } else { |
ad69471c | 2709 | gen_uxth(tmp); |
9ee6e8bb PB |
2710 | } |
2711 | } else { | |
2712 | if (offset) { | |
ad69471c | 2713 | tcg_gen_sari_i32(tmp, tmp, 16); |
9ee6e8bb | 2714 | } else { |
ad69471c | 2715 | gen_sxth(tmp); |
9ee6e8bb PB |
2716 | } |
2717 | } | |
2718 | break; | |
2719 | case 2: | |
9ee6e8bb PB |
2720 | break; |
2721 | } | |
ad69471c | 2722 | store_reg(s, rd, tmp); |
b7bcbe95 FB |
2723 | } else { |
2724 | /* arm->vfp */ | |
ad69471c | 2725 | tmp = load_reg(s, rd); |
9ee6e8bb PB |
2726 | if (insn & (1 << 23)) { |
2727 | /* VDUP */ | |
2728 | if (size == 0) { | |
ad69471c | 2729 | gen_neon_dup_u8(tmp, 0); |
9ee6e8bb | 2730 | } else if (size == 1) { |
ad69471c | 2731 | gen_neon_dup_low16(tmp); |
9ee6e8bb | 2732 | } |
cbbccffc PB |
2733 | for (n = 0; n <= pass * 2; n++) { |
2734 | tmp2 = new_tmp(); | |
2735 | tcg_gen_mov_i32(tmp2, tmp); | |
2736 | neon_store_reg(rn, n, tmp2); | |
2737 | } | |
2738 | neon_store_reg(rn, n, tmp); | |
9ee6e8bb PB |
2739 | } else { |
2740 | /* VMOV */ | |
2741 | switch (size) { | |
2742 | case 0: | |
ad69471c PB |
2743 | tmp2 = neon_load_reg(rn, pass); |
2744 | gen_bfi(tmp, tmp2, tmp, offset, 0xff); | |
2745 | dead_tmp(tmp2); | |
9ee6e8bb PB |
2746 | break; |
2747 | case 1: | |
ad69471c PB |
2748 | tmp2 = neon_load_reg(rn, pass); |
2749 | gen_bfi(tmp, tmp2, tmp, offset, 0xffff); | |
2750 | dead_tmp(tmp2); | |
9ee6e8bb PB |
2751 | break; |
2752 | case 2: | |
9ee6e8bb PB |
2753 | break; |
2754 | } | |
ad69471c | 2755 | neon_store_reg(rn, pass, tmp); |
9ee6e8bb | 2756 | } |
b7bcbe95 | 2757 | } |
9ee6e8bb PB |
2758 | } else { /* !dp */ |
2759 | if ((insn & 0x6f) != 0x00) | |
2760 | return 1; | |
2761 | rn = VFP_SREG_N(insn); | |
18c9b560 | 2762 | if (insn & ARM_CP_RW_BIT) { |
b7bcbe95 FB |
2763 | /* vfp->arm */ |
2764 | if (insn & (1 << 21)) { | |
2765 | /* system register */ | |
40f137e1 | 2766 | rn >>= 1; |
9ee6e8bb | 2767 | |
b7bcbe95 | 2768 | switch (rn) { |
40f137e1 | 2769 | case ARM_VFP_FPSID: |
4373f3ce | 2770 | /* VFP2 allows access to FSID from userspace. |
9ee6e8bb PB |
2771 | VFP3 restricts all id registers to privileged |
2772 | accesses. */ | |
2773 | if (IS_USER(s) | |
2774 | && arm_feature(env, ARM_FEATURE_VFP3)) | |
2775 | return 1; | |
4373f3ce | 2776 | tmp = load_cpu_field(vfp.xregs[rn]); |
9ee6e8bb | 2777 | break; |
40f137e1 | 2778 | case ARM_VFP_FPEXC: |
9ee6e8bb PB |
2779 | if (IS_USER(s)) |
2780 | return 1; | |
4373f3ce | 2781 | tmp = load_cpu_field(vfp.xregs[rn]); |
9ee6e8bb | 2782 | break; |
40f137e1 PB |
2783 | case ARM_VFP_FPINST: |
2784 | case ARM_VFP_FPINST2: | |
9ee6e8bb PB |
2785 | /* Not present in VFP3. */ |
2786 | if (IS_USER(s) | |
2787 | || arm_feature(env, ARM_FEATURE_VFP3)) | |
2788 | return 1; | |
4373f3ce | 2789 | tmp = load_cpu_field(vfp.xregs[rn]); |
b7bcbe95 | 2790 | break; |
40f137e1 | 2791 | case ARM_VFP_FPSCR: |
601d70b9 | 2792 | if (rd == 15) { |
4373f3ce PB |
2793 | tmp = load_cpu_field(vfp.xregs[ARM_VFP_FPSCR]); |
2794 | tcg_gen_andi_i32(tmp, tmp, 0xf0000000); | |
2795 | } else { | |
2796 | tmp = new_tmp(); | |
2797 | gen_helper_vfp_get_fpscr(tmp, cpu_env); | |
2798 | } | |
b7bcbe95 | 2799 | break; |
9ee6e8bb PB |
2800 | case ARM_VFP_MVFR0: |
2801 | case ARM_VFP_MVFR1: | |
2802 | if (IS_USER(s) | |
2803 | || !arm_feature(env, ARM_FEATURE_VFP3)) | |
2804 | return 1; | |
4373f3ce | 2805 | tmp = load_cpu_field(vfp.xregs[rn]); |
9ee6e8bb | 2806 | break; |
b7bcbe95 FB |
2807 | default: |
2808 | return 1; | |
2809 | } | |
2810 | } else { | |
2811 | gen_mov_F0_vreg(0, rn); | |
4373f3ce | 2812 | tmp = gen_vfp_mrs(); |
b7bcbe95 FB |
2813 | } |
2814 | if (rd == 15) { | |
b5ff1b31 | 2815 | /* Set the 4 flag bits in the CPSR. */ |
4373f3ce PB |
2816 | gen_set_nzcv(tmp); |
2817 | dead_tmp(tmp); | |
2818 | } else { | |
2819 | store_reg(s, rd, tmp); | |
2820 | } | |
b7bcbe95 FB |
2821 | } else { |
2822 | /* arm->vfp */ | |
4373f3ce | 2823 | tmp = load_reg(s, rd); |
b7bcbe95 | 2824 | if (insn & (1 << 21)) { |
40f137e1 | 2825 | rn >>= 1; |
b7bcbe95 FB |
2826 | /* system register */ |
2827 | switch (rn) { | |
40f137e1 | 2828 | case ARM_VFP_FPSID: |
9ee6e8bb PB |
2829 | case ARM_VFP_MVFR0: |
2830 | case ARM_VFP_MVFR1: | |
b7bcbe95 FB |
2831 | /* Writes are ignored. */ |
2832 | break; | |
40f137e1 | 2833 | case ARM_VFP_FPSCR: |
4373f3ce PB |
2834 | gen_helper_vfp_set_fpscr(cpu_env, tmp); |
2835 | dead_tmp(tmp); | |
b5ff1b31 | 2836 | gen_lookup_tb(s); |
b7bcbe95 | 2837 | break; |
40f137e1 | 2838 | case ARM_VFP_FPEXC: |
9ee6e8bb PB |
2839 | if (IS_USER(s)) |
2840 | return 1; | |
71b3c3de JR |
2841 | /* TODO: VFP subarchitecture support. |
2842 | * For now, keep the EN bit only */ | |
2843 | tcg_gen_andi_i32(tmp, tmp, 1 << 30); | |
4373f3ce | 2844 | store_cpu_field(tmp, vfp.xregs[rn]); |
40f137e1 PB |
2845 | gen_lookup_tb(s); |
2846 | break; | |
2847 | case ARM_VFP_FPINST: | |
2848 | case ARM_VFP_FPINST2: | |
4373f3ce | 2849 | store_cpu_field(tmp, vfp.xregs[rn]); |
40f137e1 | 2850 | break; |
b7bcbe95 FB |
2851 | default: |
2852 | return 1; | |
2853 | } | |
2854 | } else { | |
4373f3ce | 2855 | gen_vfp_msr(tmp); |
b7bcbe95 FB |
2856 | gen_mov_vreg_F0(0, rn); |
2857 | } | |
2858 | } | |
2859 | } | |
2860 | } else { | |
2861 | /* data processing */ | |
2862 | /* The opcode is in bits 23, 21, 20 and 6. */ | |
2863 | op = ((insn >> 20) & 8) | ((insn >> 19) & 6) | ((insn >> 6) & 1); | |
2864 | if (dp) { | |
2865 | if (op == 15) { | |
2866 | /* rn is opcode */ | |
2867 | rn = ((insn >> 15) & 0x1e) | ((insn >> 7) & 1); | |
2868 | } else { | |
2869 | /* rn is register number */ | |
9ee6e8bb | 2870 | VFP_DREG_N(rn, insn); |
b7bcbe95 FB |
2871 | } |
2872 | ||
04595bf6 | 2873 | if (op == 15 && (rn == 15 || ((rn & 0x1c) == 0x18))) { |
b7bcbe95 | 2874 | /* Integer or single precision destination. */ |
9ee6e8bb | 2875 | rd = VFP_SREG_D(insn); |
b7bcbe95 | 2876 | } else { |
9ee6e8bb | 2877 | VFP_DREG_D(rd, insn); |
b7bcbe95 | 2878 | } |
04595bf6 PM |
2879 | if (op == 15 && |
2880 | (((rn & 0x1c) == 0x10) || ((rn & 0x14) == 0x14))) { | |
2881 | /* VCVT from int is always from S reg regardless of dp bit. | |
2882 | * VCVT with immediate frac_bits has same format as SREG_M | |
2883 | */ | |
2884 | rm = VFP_SREG_M(insn); | |
b7bcbe95 | 2885 | } else { |
9ee6e8bb | 2886 | VFP_DREG_M(rm, insn); |
b7bcbe95 FB |
2887 | } |
2888 | } else { | |
9ee6e8bb | 2889 | rn = VFP_SREG_N(insn); |
b7bcbe95 FB |
2890 | if (op == 15 && rn == 15) { |
2891 | /* Double precision destination. */ | |
9ee6e8bb PB |
2892 | VFP_DREG_D(rd, insn); |
2893 | } else { | |
2894 | rd = VFP_SREG_D(insn); | |
2895 | } | |
04595bf6 PM |
2896 | /* NB that we implicitly rely on the encoding for the frac_bits |
2897 | * in VCVT of fixed to float being the same as that of an SREG_M | |
2898 | */ | |
9ee6e8bb | 2899 | rm = VFP_SREG_M(insn); |
b7bcbe95 FB |
2900 | } |
2901 | ||
69d1fc22 | 2902 | veclen = s->vec_len; |
b7bcbe95 FB |
2903 | if (op == 15 && rn > 3) |
2904 | veclen = 0; | |
2905 | ||
2906 | /* Shut up compiler warnings. */ | |
2907 | delta_m = 0; | |
2908 | delta_d = 0; | |
2909 | bank_mask = 0; | |
3b46e624 | 2910 | |
b7bcbe95 FB |
2911 | if (veclen > 0) { |
2912 | if (dp) | |
2913 | bank_mask = 0xc; | |
2914 | else | |
2915 | bank_mask = 0x18; | |
2916 | ||
2917 | /* Figure out what type of vector operation this is. */ | |
2918 | if ((rd & bank_mask) == 0) { | |
2919 | /* scalar */ | |
2920 | veclen = 0; | |
2921 | } else { | |
2922 | if (dp) | |
69d1fc22 | 2923 | delta_d = (s->vec_stride >> 1) + 1; |
b7bcbe95 | 2924 | else |
69d1fc22 | 2925 | delta_d = s->vec_stride + 1; |
b7bcbe95 FB |
2926 | |
2927 | if ((rm & bank_mask) == 0) { | |
2928 | /* mixed scalar/vector */ | |
2929 | delta_m = 0; | |
2930 | } else { | |
2931 | /* vector */ | |
2932 | delta_m = delta_d; | |
2933 | } | |
2934 | } | |
2935 | } | |
2936 | ||
2937 | /* Load the initial operands. */ | |
2938 | if (op == 15) { | |
2939 | switch (rn) { | |
2940 | case 16: | |
2941 | case 17: | |
2942 | /* Integer source */ | |
2943 | gen_mov_F0_vreg(0, rm); | |
2944 | break; | |
2945 | case 8: | |
2946 | case 9: | |
2947 | /* Compare */ | |
2948 | gen_mov_F0_vreg(dp, rd); | |
2949 | gen_mov_F1_vreg(dp, rm); | |
2950 | break; | |
2951 | case 10: | |
2952 | case 11: | |
2953 | /* Compare with zero */ | |
2954 | gen_mov_F0_vreg(dp, rd); | |
2955 | gen_vfp_F1_ld0(dp); | |
2956 | break; | |
9ee6e8bb PB |
2957 | case 20: |
2958 | case 21: | |
2959 | case 22: | |
2960 | case 23: | |
644ad806 PB |
2961 | case 28: |
2962 | case 29: | |
2963 | case 30: | |
2964 | case 31: | |
9ee6e8bb PB |
2965 | /* Source and destination the same. */ |
2966 | gen_mov_F0_vreg(dp, rd); | |
2967 | break; | |
b7bcbe95 FB |
2968 | default: |
2969 | /* One source operand. */ | |
2970 | gen_mov_F0_vreg(dp, rm); | |
9ee6e8bb | 2971 | break; |
b7bcbe95 FB |
2972 | } |
2973 | } else { | |
2974 | /* Two source operands. */ | |
2975 | gen_mov_F0_vreg(dp, rn); | |
2976 | gen_mov_F1_vreg(dp, rm); | |
2977 | } | |
2978 | ||
2979 | for (;;) { | |
2980 | /* Perform the calculation. */ | |
2981 | switch (op) { | |
2982 | case 0: /* mac: fd + (fn * fm) */ | |
2983 | gen_vfp_mul(dp); | |
2984 | gen_mov_F1_vreg(dp, rd); | |
2985 | gen_vfp_add(dp); | |
2986 | break; | |
2987 | case 1: /* nmac: fd - (fn * fm) */ | |
2988 | gen_vfp_mul(dp); | |
2989 | gen_vfp_neg(dp); | |
2990 | gen_mov_F1_vreg(dp, rd); | |
2991 | gen_vfp_add(dp); | |
2992 | break; | |
2993 | case 2: /* msc: -fd + (fn * fm) */ | |
2994 | gen_vfp_mul(dp); | |
2995 | gen_mov_F1_vreg(dp, rd); | |
2996 | gen_vfp_sub(dp); | |
2997 | break; | |
2998 | case 3: /* nmsc: -fd - (fn * fm) */ | |
2999 | gen_vfp_mul(dp); | |
b7bcbe95 | 3000 | gen_vfp_neg(dp); |
c9fb531a PB |
3001 | gen_mov_F1_vreg(dp, rd); |
3002 | gen_vfp_sub(dp); | |
b7bcbe95 FB |
3003 | break; |
3004 | case 4: /* mul: fn * fm */ | |
3005 | gen_vfp_mul(dp); | |
3006 | break; | |
3007 | case 5: /* nmul: -(fn * fm) */ | |
3008 | gen_vfp_mul(dp); | |
3009 | gen_vfp_neg(dp); | |
3010 | break; | |
3011 | case 6: /* add: fn + fm */ | |
3012 | gen_vfp_add(dp); | |
3013 | break; | |
3014 | case 7: /* sub: fn - fm */ | |
3015 | gen_vfp_sub(dp); | |
3016 | break; | |
3017 | case 8: /* div: fn / fm */ | |
3018 | gen_vfp_div(dp); | |
3019 | break; | |
9ee6e8bb PB |
3020 | case 14: /* fconst */ |
3021 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3022 | return 1; | |
3023 | ||
3024 | n = (insn << 12) & 0x80000000; | |
3025 | i = ((insn >> 12) & 0x70) | (insn & 0xf); | |
3026 | if (dp) { | |
3027 | if (i & 0x40) | |
3028 | i |= 0x3f80; | |
3029 | else | |
3030 | i |= 0x4000; | |
3031 | n |= i << 16; | |
4373f3ce | 3032 | tcg_gen_movi_i64(cpu_F0d, ((uint64_t)n) << 32); |
9ee6e8bb PB |
3033 | } else { |
3034 | if (i & 0x40) | |
3035 | i |= 0x780; | |
3036 | else | |
3037 | i |= 0x800; | |
3038 | n |= i << 19; | |
5b340b51 | 3039 | tcg_gen_movi_i32(cpu_F0s, n); |
9ee6e8bb | 3040 | } |
9ee6e8bb | 3041 | break; |
b7bcbe95 FB |
3042 | case 15: /* extension space */ |
3043 | switch (rn) { | |
3044 | case 0: /* cpy */ | |
3045 | /* no-op */ | |
3046 | break; | |
3047 | case 1: /* abs */ | |
3048 | gen_vfp_abs(dp); | |
3049 | break; | |
3050 | case 2: /* neg */ | |
3051 | gen_vfp_neg(dp); | |
3052 | break; | |
3053 | case 3: /* sqrt */ | |
3054 | gen_vfp_sqrt(dp); | |
3055 | break; | |
60011498 PB |
3056 | case 4: /* vcvtb.f32.f16 */ |
3057 | if (!arm_feature(env, ARM_FEATURE_VFP_FP16)) | |
3058 | return 1; | |
3059 | tmp = gen_vfp_mrs(); | |
3060 | tcg_gen_ext16u_i32(tmp, tmp); | |
3061 | gen_helper_vfp_fcvt_f16_to_f32(cpu_F0s, tmp, cpu_env); | |
3062 | dead_tmp(tmp); | |
3063 | break; | |
3064 | case 5: /* vcvtt.f32.f16 */ | |
3065 | if (!arm_feature(env, ARM_FEATURE_VFP_FP16)) | |
3066 | return 1; | |
3067 | tmp = gen_vfp_mrs(); | |
3068 | tcg_gen_shri_i32(tmp, tmp, 16); | |
3069 | gen_helper_vfp_fcvt_f16_to_f32(cpu_F0s, tmp, cpu_env); | |
3070 | dead_tmp(tmp); | |
3071 | break; | |
3072 | case 6: /* vcvtb.f16.f32 */ | |
3073 | if (!arm_feature(env, ARM_FEATURE_VFP_FP16)) | |
3074 | return 1; | |
3075 | tmp = new_tmp(); | |
3076 | gen_helper_vfp_fcvt_f32_to_f16(tmp, cpu_F0s, cpu_env); | |
3077 | gen_mov_F0_vreg(0, rd); | |
3078 | tmp2 = gen_vfp_mrs(); | |
3079 | tcg_gen_andi_i32(tmp2, tmp2, 0xffff0000); | |
3080 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
3081 | dead_tmp(tmp2); | |
3082 | gen_vfp_msr(tmp); | |
3083 | break; | |
3084 | case 7: /* vcvtt.f16.f32 */ | |
3085 | if (!arm_feature(env, ARM_FEATURE_VFP_FP16)) | |
3086 | return 1; | |
3087 | tmp = new_tmp(); | |
3088 | gen_helper_vfp_fcvt_f32_to_f16(tmp, cpu_F0s, cpu_env); | |
3089 | tcg_gen_shli_i32(tmp, tmp, 16); | |
3090 | gen_mov_F0_vreg(0, rd); | |
3091 | tmp2 = gen_vfp_mrs(); | |
3092 | tcg_gen_ext16u_i32(tmp2, tmp2); | |
3093 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
3094 | dead_tmp(tmp2); | |
3095 | gen_vfp_msr(tmp); | |
3096 | break; | |
b7bcbe95 FB |
3097 | case 8: /* cmp */ |
3098 | gen_vfp_cmp(dp); | |
3099 | break; | |
3100 | case 9: /* cmpe */ | |
3101 | gen_vfp_cmpe(dp); | |
3102 | break; | |
3103 | case 10: /* cmpz */ | |
3104 | gen_vfp_cmp(dp); | |
3105 | break; | |
3106 | case 11: /* cmpez */ | |
3107 | gen_vfp_F1_ld0(dp); | |
3108 | gen_vfp_cmpe(dp); | |
3109 | break; | |
3110 | case 15: /* single<->double conversion */ | |
3111 | if (dp) | |
4373f3ce | 3112 | gen_helper_vfp_fcvtsd(cpu_F0s, cpu_F0d, cpu_env); |
b7bcbe95 | 3113 | else |
4373f3ce | 3114 | gen_helper_vfp_fcvtds(cpu_F0d, cpu_F0s, cpu_env); |
b7bcbe95 FB |
3115 | break; |
3116 | case 16: /* fuito */ | |
3117 | gen_vfp_uito(dp); | |
3118 | break; | |
3119 | case 17: /* fsito */ | |
3120 | gen_vfp_sito(dp); | |
3121 | break; | |
9ee6e8bb PB |
3122 | case 20: /* fshto */ |
3123 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3124 | return 1; | |
644ad806 | 3125 | gen_vfp_shto(dp, 16 - rm); |
9ee6e8bb PB |
3126 | break; |
3127 | case 21: /* fslto */ | |
3128 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3129 | return 1; | |
644ad806 | 3130 | gen_vfp_slto(dp, 32 - rm); |
9ee6e8bb PB |
3131 | break; |
3132 | case 22: /* fuhto */ | |
3133 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3134 | return 1; | |
644ad806 | 3135 | gen_vfp_uhto(dp, 16 - rm); |
9ee6e8bb PB |
3136 | break; |
3137 | case 23: /* fulto */ | |
3138 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3139 | return 1; | |
644ad806 | 3140 | gen_vfp_ulto(dp, 32 - rm); |
9ee6e8bb | 3141 | break; |
b7bcbe95 FB |
3142 | case 24: /* ftoui */ |
3143 | gen_vfp_toui(dp); | |
3144 | break; | |
3145 | case 25: /* ftouiz */ | |
3146 | gen_vfp_touiz(dp); | |
3147 | break; | |
3148 | case 26: /* ftosi */ | |
3149 | gen_vfp_tosi(dp); | |
3150 | break; | |
3151 | case 27: /* ftosiz */ | |
3152 | gen_vfp_tosiz(dp); | |
3153 | break; | |
9ee6e8bb PB |
3154 | case 28: /* ftosh */ |
3155 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3156 | return 1; | |
644ad806 | 3157 | gen_vfp_tosh(dp, 16 - rm); |
9ee6e8bb PB |
3158 | break; |
3159 | case 29: /* ftosl */ | |
3160 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3161 | return 1; | |
644ad806 | 3162 | gen_vfp_tosl(dp, 32 - rm); |
9ee6e8bb PB |
3163 | break; |
3164 | case 30: /* ftouh */ | |
3165 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3166 | return 1; | |
644ad806 | 3167 | gen_vfp_touh(dp, 16 - rm); |
9ee6e8bb PB |
3168 | break; |
3169 | case 31: /* ftoul */ | |
3170 | if (!arm_feature(env, ARM_FEATURE_VFP3)) | |
3171 | return 1; | |
644ad806 | 3172 | gen_vfp_toul(dp, 32 - rm); |
9ee6e8bb | 3173 | break; |
b7bcbe95 FB |
3174 | default: /* undefined */ |
3175 | printf ("rn:%d\n", rn); | |
3176 | return 1; | |
3177 | } | |
3178 | break; | |
3179 | default: /* undefined */ | |
3180 | printf ("op:%d\n", op); | |
3181 | return 1; | |
3182 | } | |
3183 | ||
3184 | /* Write back the result. */ | |
3185 | if (op == 15 && (rn >= 8 && rn <= 11)) | |
3186 | ; /* Comparison, do nothing. */ | |
04595bf6 PM |
3187 | else if (op == 15 && dp && ((rn & 0x1c) == 0x18)) |
3188 | /* VCVT double to int: always integer result. */ | |
b7bcbe95 FB |
3189 | gen_mov_vreg_F0(0, rd); |
3190 | else if (op == 15 && rn == 15) | |
3191 | /* conversion */ | |
3192 | gen_mov_vreg_F0(!dp, rd); | |
3193 | else | |
3194 | gen_mov_vreg_F0(dp, rd); | |
3195 | ||
3196 | /* break out of the loop if we have finished */ | |
3197 | if (veclen == 0) | |
3198 | break; | |
3199 | ||
3200 | if (op == 15 && delta_m == 0) { | |
3201 | /* single source one-many */ | |
3202 | while (veclen--) { | |
3203 | rd = ((rd + delta_d) & (bank_mask - 1)) | |
3204 | | (rd & bank_mask); | |
3205 | gen_mov_vreg_F0(dp, rd); | |
3206 | } | |
3207 | break; | |
3208 | } | |
3209 | /* Setup the next operands. */ | |
3210 | veclen--; | |
3211 | rd = ((rd + delta_d) & (bank_mask - 1)) | |
3212 | | (rd & bank_mask); | |
3213 | ||
3214 | if (op == 15) { | |
3215 | /* One source operand. */ | |
3216 | rm = ((rm + delta_m) & (bank_mask - 1)) | |
3217 | | (rm & bank_mask); | |
3218 | gen_mov_F0_vreg(dp, rm); | |
3219 | } else { | |
3220 | /* Two source operands. */ | |
3221 | rn = ((rn + delta_d) & (bank_mask - 1)) | |
3222 | | (rn & bank_mask); | |
3223 | gen_mov_F0_vreg(dp, rn); | |
3224 | if (delta_m) { | |
3225 | rm = ((rm + delta_m) & (bank_mask - 1)) | |
3226 | | (rm & bank_mask); | |
3227 | gen_mov_F1_vreg(dp, rm); | |
3228 | } | |
3229 | } | |
3230 | } | |
3231 | } | |
3232 | break; | |
3233 | case 0xc: | |
3234 | case 0xd: | |
9ee6e8bb | 3235 | if (dp && (insn & 0x03e00000) == 0x00400000) { |
b7bcbe95 FB |
3236 | /* two-register transfer */ |
3237 | rn = (insn >> 16) & 0xf; | |
3238 | rd = (insn >> 12) & 0xf; | |
3239 | if (dp) { | |
9ee6e8bb PB |
3240 | VFP_DREG_M(rm, insn); |
3241 | } else { | |
3242 | rm = VFP_SREG_M(insn); | |
3243 | } | |
b7bcbe95 | 3244 | |
18c9b560 | 3245 | if (insn & ARM_CP_RW_BIT) { |
b7bcbe95 FB |
3246 | /* vfp->arm */ |
3247 | if (dp) { | |
4373f3ce PB |
3248 | gen_mov_F0_vreg(0, rm * 2); |
3249 | tmp = gen_vfp_mrs(); | |
3250 | store_reg(s, rd, tmp); | |
3251 | gen_mov_F0_vreg(0, rm * 2 + 1); | |
3252 | tmp = gen_vfp_mrs(); | |
3253 | store_reg(s, rn, tmp); | |
b7bcbe95 FB |
3254 | } else { |
3255 | gen_mov_F0_vreg(0, rm); | |
4373f3ce PB |
3256 | tmp = gen_vfp_mrs(); |
3257 | store_reg(s, rn, tmp); | |
b7bcbe95 | 3258 | gen_mov_F0_vreg(0, rm + 1); |
4373f3ce PB |
3259 | tmp = gen_vfp_mrs(); |
3260 | store_reg(s, rd, tmp); | |
b7bcbe95 FB |
3261 | } |
3262 | } else { | |
3263 | /* arm->vfp */ | |
3264 | if (dp) { | |
4373f3ce PB |
3265 | tmp = load_reg(s, rd); |
3266 | gen_vfp_msr(tmp); | |
3267 | gen_mov_vreg_F0(0, rm * 2); | |
3268 | tmp = load_reg(s, rn); | |
3269 | gen_vfp_msr(tmp); | |
3270 | gen_mov_vreg_F0(0, rm * 2 + 1); | |
b7bcbe95 | 3271 | } else { |
4373f3ce PB |
3272 | tmp = load_reg(s, rn); |
3273 | gen_vfp_msr(tmp); | |
b7bcbe95 | 3274 | gen_mov_vreg_F0(0, rm); |
4373f3ce PB |
3275 | tmp = load_reg(s, rd); |
3276 | gen_vfp_msr(tmp); | |
b7bcbe95 FB |
3277 | gen_mov_vreg_F0(0, rm + 1); |
3278 | } | |
3279 | } | |
3280 | } else { | |
3281 | /* Load/store */ | |
3282 | rn = (insn >> 16) & 0xf; | |
3283 | if (dp) | |
9ee6e8bb | 3284 | VFP_DREG_D(rd, insn); |
b7bcbe95 | 3285 | else |
9ee6e8bb PB |
3286 | rd = VFP_SREG_D(insn); |
3287 | if (s->thumb && rn == 15) { | |
312eea9f FN |
3288 | addr = new_tmp(); |
3289 | tcg_gen_movi_i32(addr, s->pc & ~2); | |
9ee6e8bb | 3290 | } else { |
312eea9f | 3291 | addr = load_reg(s, rn); |
9ee6e8bb | 3292 | } |
b7bcbe95 FB |
3293 | if ((insn & 0x01200000) == 0x01000000) { |
3294 | /* Single load/store */ | |
3295 | offset = (insn & 0xff) << 2; | |
3296 | if ((insn & (1 << 23)) == 0) | |
3297 | offset = -offset; | |
312eea9f | 3298 | tcg_gen_addi_i32(addr, addr, offset); |
b7bcbe95 | 3299 | if (insn & (1 << 20)) { |
312eea9f | 3300 | gen_vfp_ld(s, dp, addr); |
b7bcbe95 FB |
3301 | gen_mov_vreg_F0(dp, rd); |
3302 | } else { | |
3303 | gen_mov_F0_vreg(dp, rd); | |
312eea9f | 3304 | gen_vfp_st(s, dp, addr); |
b7bcbe95 | 3305 | } |
312eea9f | 3306 | dead_tmp(addr); |
b7bcbe95 FB |
3307 | } else { |
3308 | /* load/store multiple */ | |
3309 | if (dp) | |
3310 | n = (insn >> 1) & 0x7f; | |
3311 | else | |
3312 | n = insn & 0xff; | |
3313 | ||
3314 | if (insn & (1 << 24)) /* pre-decrement */ | |
312eea9f | 3315 | tcg_gen_addi_i32(addr, addr, -((insn & 0xff) << 2)); |
b7bcbe95 FB |
3316 | |
3317 | if (dp) | |
3318 | offset = 8; | |
3319 | else | |
3320 | offset = 4; | |
3321 | for (i = 0; i < n; i++) { | |
18c9b560 | 3322 | if (insn & ARM_CP_RW_BIT) { |
b7bcbe95 | 3323 | /* load */ |
312eea9f | 3324 | gen_vfp_ld(s, dp, addr); |
b7bcbe95 FB |
3325 | gen_mov_vreg_F0(dp, rd + i); |
3326 | } else { | |
3327 | /* store */ | |
3328 | gen_mov_F0_vreg(dp, rd + i); | |
312eea9f | 3329 | gen_vfp_st(s, dp, addr); |
b7bcbe95 | 3330 | } |
312eea9f | 3331 | tcg_gen_addi_i32(addr, addr, offset); |
b7bcbe95 FB |
3332 | } |
3333 | if (insn & (1 << 21)) { | |
3334 | /* writeback */ | |
3335 | if (insn & (1 << 24)) | |
3336 | offset = -offset * n; | |
3337 | else if (dp && (insn & 1)) | |
3338 | offset = 4; | |
3339 | else | |
3340 | offset = 0; | |
3341 | ||
3342 | if (offset != 0) | |
312eea9f FN |
3343 | tcg_gen_addi_i32(addr, addr, offset); |
3344 | store_reg(s, rn, addr); | |
3345 | } else { | |
3346 | dead_tmp(addr); | |
b7bcbe95 FB |
3347 | } |
3348 | } | |
3349 | } | |
3350 | break; | |
3351 | default: | |
3352 | /* Should never happen. */ | |
3353 | return 1; | |
3354 | } | |
3355 | return 0; | |
3356 | } | |
3357 | ||
6e256c93 | 3358 | static inline void gen_goto_tb(DisasContext *s, int n, uint32_t dest) |
c53be334 | 3359 | { |
6e256c93 FB |
3360 | TranslationBlock *tb; |
3361 | ||
3362 | tb = s->tb; | |
3363 | if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) { | |
57fec1fe | 3364 | tcg_gen_goto_tb(n); |
8984bd2e | 3365 | gen_set_pc_im(dest); |
57fec1fe | 3366 | tcg_gen_exit_tb((long)tb + n); |
6e256c93 | 3367 | } else { |
8984bd2e | 3368 | gen_set_pc_im(dest); |
57fec1fe | 3369 | tcg_gen_exit_tb(0); |
6e256c93 | 3370 | } |
c53be334 FB |
3371 | } |
3372 | ||
8aaca4c0 FB |
3373 | static inline void gen_jmp (DisasContext *s, uint32_t dest) |
3374 | { | |
551bd27f | 3375 | if (unlikely(s->singlestep_enabled)) { |
8aaca4c0 | 3376 | /* An indirect jump so that we still trigger the debug exception. */ |
5899f386 | 3377 | if (s->thumb) |
d9ba4830 PB |
3378 | dest |= 1; |
3379 | gen_bx_im(s, dest); | |
8aaca4c0 | 3380 | } else { |
6e256c93 | 3381 | gen_goto_tb(s, 0, dest); |
8aaca4c0 FB |
3382 | s->is_jmp = DISAS_TB_JUMP; |
3383 | } | |
3384 | } | |
3385 | ||
d9ba4830 | 3386 | static inline void gen_mulxy(TCGv t0, TCGv t1, int x, int y) |
b5ff1b31 | 3387 | { |
ee097184 | 3388 | if (x) |
d9ba4830 | 3389 | tcg_gen_sari_i32(t0, t0, 16); |
b5ff1b31 | 3390 | else |
d9ba4830 | 3391 | gen_sxth(t0); |
ee097184 | 3392 | if (y) |
d9ba4830 | 3393 | tcg_gen_sari_i32(t1, t1, 16); |
b5ff1b31 | 3394 | else |
d9ba4830 PB |
3395 | gen_sxth(t1); |
3396 | tcg_gen_mul_i32(t0, t0, t1); | |
b5ff1b31 FB |
3397 | } |
3398 | ||
3399 | /* Return the mask of PSR bits set by a MSR instruction. */ | |
9ee6e8bb | 3400 | static uint32_t msr_mask(CPUState *env, DisasContext *s, int flags, int spsr) { |
b5ff1b31 FB |
3401 | uint32_t mask; |
3402 | ||
3403 | mask = 0; | |
3404 | if (flags & (1 << 0)) | |
3405 | mask |= 0xff; | |
3406 | if (flags & (1 << 1)) | |
3407 | mask |= 0xff00; | |
3408 | if (flags & (1 << 2)) | |
3409 | mask |= 0xff0000; | |
3410 | if (flags & (1 << 3)) | |
3411 | mask |= 0xff000000; | |
9ee6e8bb | 3412 | |
2ae23e75 | 3413 | /* Mask out undefined bits. */ |
9ee6e8bb PB |
3414 | mask &= ~CPSR_RESERVED; |
3415 | if (!arm_feature(env, ARM_FEATURE_V6)) | |
e160c51c | 3416 | mask &= ~(CPSR_E | CPSR_GE); |
9ee6e8bb | 3417 | if (!arm_feature(env, ARM_FEATURE_THUMB2)) |
e160c51c | 3418 | mask &= ~CPSR_IT; |
9ee6e8bb | 3419 | /* Mask out execution state bits. */ |
2ae23e75 | 3420 | if (!spsr) |
e160c51c | 3421 | mask &= ~CPSR_EXEC; |
b5ff1b31 FB |
3422 | /* Mask out privileged bits. */ |
3423 | if (IS_USER(s)) | |
9ee6e8bb | 3424 | mask &= CPSR_USER; |
b5ff1b31 FB |
3425 | return mask; |
3426 | } | |
3427 | ||
2fbac54b FN |
3428 | /* Returns nonzero if access to the PSR is not permitted. Marks t0 as dead. */ |
3429 | static int gen_set_psr(DisasContext *s, uint32_t mask, int spsr, TCGv t0) | |
b5ff1b31 | 3430 | { |
d9ba4830 | 3431 | TCGv tmp; |
b5ff1b31 FB |
3432 | if (spsr) { |
3433 | /* ??? This is also undefined in system mode. */ | |
3434 | if (IS_USER(s)) | |
3435 | return 1; | |
d9ba4830 PB |
3436 | |
3437 | tmp = load_cpu_field(spsr); | |
3438 | tcg_gen_andi_i32(tmp, tmp, ~mask); | |
2fbac54b FN |
3439 | tcg_gen_andi_i32(t0, t0, mask); |
3440 | tcg_gen_or_i32(tmp, tmp, t0); | |
d9ba4830 | 3441 | store_cpu_field(tmp, spsr); |
b5ff1b31 | 3442 | } else { |
2fbac54b | 3443 | gen_set_cpsr(t0, mask); |
b5ff1b31 | 3444 | } |
2fbac54b | 3445 | dead_tmp(t0); |
b5ff1b31 FB |
3446 | gen_lookup_tb(s); |
3447 | return 0; | |
3448 | } | |
3449 | ||
2fbac54b FN |
3450 | /* Returns nonzero if access to the PSR is not permitted. */ |
3451 | static int gen_set_psr_im(DisasContext *s, uint32_t mask, int spsr, uint32_t val) | |
3452 | { | |
3453 | TCGv tmp; | |
3454 | tmp = new_tmp(); | |
3455 | tcg_gen_movi_i32(tmp, val); | |
3456 | return gen_set_psr(s, mask, spsr, tmp); | |
3457 | } | |
3458 | ||
e9bb4aa9 JR |
3459 | /* Generate an old-style exception return. Marks pc as dead. */ |
3460 | static void gen_exception_return(DisasContext *s, TCGv pc) | |
b5ff1b31 | 3461 | { |
d9ba4830 | 3462 | TCGv tmp; |
e9bb4aa9 | 3463 | store_reg(s, 15, pc); |
d9ba4830 PB |
3464 | tmp = load_cpu_field(spsr); |
3465 | gen_set_cpsr(tmp, 0xffffffff); | |
3466 | dead_tmp(tmp); | |
b5ff1b31 FB |
3467 | s->is_jmp = DISAS_UPDATE; |
3468 | } | |
3469 | ||
b0109805 PB |
3470 | /* Generate a v6 exception return. Marks both values as dead. */ |
3471 | static void gen_rfe(DisasContext *s, TCGv pc, TCGv cpsr) | |
2c0262af | 3472 | { |
b0109805 PB |
3473 | gen_set_cpsr(cpsr, 0xffffffff); |
3474 | dead_tmp(cpsr); | |
3475 | store_reg(s, 15, pc); | |
9ee6e8bb PB |
3476 | s->is_jmp = DISAS_UPDATE; |
3477 | } | |
3b46e624 | 3478 | |
9ee6e8bb PB |
3479 | static inline void |
3480 | gen_set_condexec (DisasContext *s) | |
3481 | { | |
3482 | if (s->condexec_mask) { | |
8f01245e PB |
3483 | uint32_t val = (s->condexec_cond << 4) | (s->condexec_mask >> 1); |
3484 | TCGv tmp = new_tmp(); | |
3485 | tcg_gen_movi_i32(tmp, val); | |
d9ba4830 | 3486 | store_cpu_field(tmp, condexec_bits); |
9ee6e8bb PB |
3487 | } |
3488 | } | |
3b46e624 | 3489 | |
bc4a0de0 PM |
3490 | static void gen_exception_insn(DisasContext *s, int offset, int excp) |
3491 | { | |
3492 | gen_set_condexec(s); | |
3493 | gen_set_pc_im(s->pc - offset); | |
3494 | gen_exception(excp); | |
3495 | s->is_jmp = DISAS_JUMP; | |
3496 | } | |
3497 | ||
9ee6e8bb PB |
3498 | static void gen_nop_hint(DisasContext *s, int val) |
3499 | { | |
3500 | switch (val) { | |
3501 | case 3: /* wfi */ | |
8984bd2e | 3502 | gen_set_pc_im(s->pc); |
9ee6e8bb PB |
3503 | s->is_jmp = DISAS_WFI; |
3504 | break; | |
3505 | case 2: /* wfe */ | |
3506 | case 4: /* sev */ | |
3507 | /* TODO: Implement SEV and WFE. May help SMP performance. */ | |
3508 | default: /* nop */ | |
3509 | break; | |
3510 | } | |
3511 | } | |
99c475ab | 3512 | |
ad69471c | 3513 | #define CPU_V001 cpu_V0, cpu_V0, cpu_V1 |
9ee6e8bb | 3514 | |
dd8fbd78 | 3515 | static inline int gen_neon_add(int size, TCGv t0, TCGv t1) |
9ee6e8bb PB |
3516 | { |
3517 | switch (size) { | |
dd8fbd78 FN |
3518 | case 0: gen_helper_neon_add_u8(t0, t0, t1); break; |
3519 | case 1: gen_helper_neon_add_u16(t0, t0, t1); break; | |
3520 | case 2: tcg_gen_add_i32(t0, t0, t1); break; | |
9ee6e8bb PB |
3521 | default: return 1; |
3522 | } | |
3523 | return 0; | |
3524 | } | |
3525 | ||
dd8fbd78 | 3526 | static inline void gen_neon_rsb(int size, TCGv t0, TCGv t1) |
ad69471c PB |
3527 | { |
3528 | switch (size) { | |
dd8fbd78 FN |
3529 | case 0: gen_helper_neon_sub_u8(t0, t1, t0); break; |
3530 | case 1: gen_helper_neon_sub_u16(t0, t1, t0); break; | |
3531 | case 2: tcg_gen_sub_i32(t0, t1, t0); break; | |
ad69471c PB |
3532 | default: return; |
3533 | } | |
3534 | } | |
3535 | ||
3536 | /* 32-bit pairwise ops end up the same as the elementwise versions. */ | |
3537 | #define gen_helper_neon_pmax_s32 gen_helper_neon_max_s32 | |
3538 | #define gen_helper_neon_pmax_u32 gen_helper_neon_max_u32 | |
3539 | #define gen_helper_neon_pmin_s32 gen_helper_neon_min_s32 | |
3540 | #define gen_helper_neon_pmin_u32 gen_helper_neon_min_u32 | |
3541 | ||
ad69471c PB |
3542 | #define GEN_NEON_INTEGER_OP_ENV(name) do { \ |
3543 | switch ((size << 1) | u) { \ | |
3544 | case 0: \ | |
dd8fbd78 | 3545 | gen_helper_neon_##name##_s8(tmp, cpu_env, tmp, tmp2); \ |
ad69471c PB |
3546 | break; \ |
3547 | case 1: \ | |
dd8fbd78 | 3548 | gen_helper_neon_##name##_u8(tmp, cpu_env, tmp, tmp2); \ |
ad69471c PB |
3549 | break; \ |
3550 | case 2: \ | |
dd8fbd78 | 3551 | gen_helper_neon_##name##_s16(tmp, cpu_env, tmp, tmp2); \ |
ad69471c PB |
3552 | break; \ |
3553 | case 3: \ | |
dd8fbd78 | 3554 | gen_helper_neon_##name##_u16(tmp, cpu_env, tmp, tmp2); \ |
ad69471c PB |
3555 | break; \ |
3556 | case 4: \ | |
dd8fbd78 | 3557 | gen_helper_neon_##name##_s32(tmp, cpu_env, tmp, tmp2); \ |
ad69471c PB |
3558 | break; \ |
3559 | case 5: \ | |
dd8fbd78 | 3560 | gen_helper_neon_##name##_u32(tmp, cpu_env, tmp, tmp2); \ |
ad69471c PB |
3561 | break; \ |
3562 | default: return 1; \ | |
3563 | }} while (0) | |
9ee6e8bb PB |
3564 | |
3565 | #define GEN_NEON_INTEGER_OP(name) do { \ | |
3566 | switch ((size << 1) | u) { \ | |
ad69471c | 3567 | case 0: \ |
dd8fbd78 | 3568 | gen_helper_neon_##name##_s8(tmp, tmp, tmp2); \ |
ad69471c PB |
3569 | break; \ |
3570 | case 1: \ | |
dd8fbd78 | 3571 | gen_helper_neon_##name##_u8(tmp, tmp, tmp2); \ |
ad69471c PB |
3572 | break; \ |
3573 | case 2: \ | |
dd8fbd78 | 3574 | gen_helper_neon_##name##_s16(tmp, tmp, tmp2); \ |
ad69471c PB |
3575 | break; \ |
3576 | case 3: \ | |
dd8fbd78 | 3577 | gen_helper_neon_##name##_u16(tmp, tmp, tmp2); \ |
ad69471c PB |
3578 | break; \ |
3579 | case 4: \ | |
dd8fbd78 | 3580 | gen_helper_neon_##name##_s32(tmp, tmp, tmp2); \ |
ad69471c PB |
3581 | break; \ |
3582 | case 5: \ | |
dd8fbd78 | 3583 | gen_helper_neon_##name##_u32(tmp, tmp, tmp2); \ |
ad69471c | 3584 | break; \ |
9ee6e8bb PB |
3585 | default: return 1; \ |
3586 | }} while (0) | |
3587 | ||
dd8fbd78 | 3588 | static TCGv neon_load_scratch(int scratch) |
9ee6e8bb | 3589 | { |
dd8fbd78 FN |
3590 | TCGv tmp = new_tmp(); |
3591 | tcg_gen_ld_i32(tmp, cpu_env, offsetof(CPUARMState, vfp.scratch[scratch])); | |
3592 | return tmp; | |
9ee6e8bb PB |
3593 | } |
3594 | ||
dd8fbd78 | 3595 | static void neon_store_scratch(int scratch, TCGv var) |
9ee6e8bb | 3596 | { |
dd8fbd78 FN |
3597 | tcg_gen_st_i32(var, cpu_env, offsetof(CPUARMState, vfp.scratch[scratch])); |
3598 | dead_tmp(var); | |
9ee6e8bb PB |
3599 | } |
3600 | ||
dd8fbd78 | 3601 | static inline TCGv neon_get_scalar(int size, int reg) |
9ee6e8bb | 3602 | { |
dd8fbd78 | 3603 | TCGv tmp; |
9ee6e8bb | 3604 | if (size == 1) { |
0fad6efc PM |
3605 | tmp = neon_load_reg(reg & 7, reg >> 4); |
3606 | if (reg & 8) { | |
dd8fbd78 | 3607 | gen_neon_dup_high16(tmp); |
0fad6efc PM |
3608 | } else { |
3609 | gen_neon_dup_low16(tmp); | |
dd8fbd78 | 3610 | } |
0fad6efc PM |
3611 | } else { |
3612 | tmp = neon_load_reg(reg & 15, reg >> 4); | |
9ee6e8bb | 3613 | } |
dd8fbd78 | 3614 | return tmp; |
9ee6e8bb PB |
3615 | } |
3616 | ||
02acedf9 | 3617 | static int gen_neon_unzip(int rd, int rm, int size, int q) |
19457615 | 3618 | { |
02acedf9 PM |
3619 | TCGv tmp, tmp2; |
3620 | if (size == 3 || (!q && size == 2)) { | |
3621 | return 1; | |
3622 | } | |
3623 | tmp = tcg_const_i32(rd); | |
3624 | tmp2 = tcg_const_i32(rm); | |
3625 | if (q) { | |
3626 | switch (size) { | |
3627 | case 0: | |
3628 | gen_helper_neon_qunzip8(cpu_env, tmp, tmp2); | |
3629 | break; | |
3630 | case 1: | |
3631 | gen_helper_neon_qunzip16(cpu_env, tmp, tmp2); | |
3632 | break; | |
3633 | case 2: | |
3634 | gen_helper_neon_qunzip32(cpu_env, tmp, tmp2); | |
3635 | break; | |
3636 | default: | |
3637 | abort(); | |
3638 | } | |
3639 | } else { | |
3640 | switch (size) { | |
3641 | case 0: | |
3642 | gen_helper_neon_unzip8(cpu_env, tmp, tmp2); | |
3643 | break; | |
3644 | case 1: | |
3645 | gen_helper_neon_unzip16(cpu_env, tmp, tmp2); | |
3646 | break; | |
3647 | default: | |
3648 | abort(); | |
3649 | } | |
3650 | } | |
3651 | tcg_temp_free_i32(tmp); | |
3652 | tcg_temp_free_i32(tmp2); | |
3653 | return 0; | |
19457615 FN |
3654 | } |
3655 | ||
d68a6f3a | 3656 | static int gen_neon_zip(int rd, int rm, int size, int q) |
19457615 FN |
3657 | { |
3658 | TCGv tmp, tmp2; | |
d68a6f3a PM |
3659 | if (size == 3 || (!q && size == 2)) { |
3660 | return 1; | |
3661 | } | |
3662 | tmp = tcg_const_i32(rd); | |
3663 | tmp2 = tcg_const_i32(rm); | |
3664 | if (q) { | |
3665 | switch (size) { | |
3666 | case 0: | |
3667 | gen_helper_neon_qzip8(cpu_env, tmp, tmp2); | |
3668 | break; | |
3669 | case 1: | |
3670 | gen_helper_neon_qzip16(cpu_env, tmp, tmp2); | |
3671 | break; | |
3672 | case 2: | |
3673 | gen_helper_neon_qzip32(cpu_env, tmp, tmp2); | |
3674 | break; | |
3675 | default: | |
3676 | abort(); | |
3677 | } | |
3678 | } else { | |
3679 | switch (size) { | |
3680 | case 0: | |
3681 | gen_helper_neon_zip8(cpu_env, tmp, tmp2); | |
3682 | break; | |
3683 | case 1: | |
3684 | gen_helper_neon_zip16(cpu_env, tmp, tmp2); | |
3685 | break; | |
3686 | default: | |
3687 | abort(); | |
3688 | } | |
3689 | } | |
3690 | tcg_temp_free_i32(tmp); | |
3691 | tcg_temp_free_i32(tmp2); | |
3692 | return 0; | |
19457615 FN |
3693 | } |
3694 | ||
19457615 FN |
3695 | static void gen_neon_trn_u8(TCGv t0, TCGv t1) |
3696 | { | |
3697 | TCGv rd, tmp; | |
3698 | ||
3699 | rd = new_tmp(); | |
3700 | tmp = new_tmp(); | |
3701 | ||
3702 | tcg_gen_shli_i32(rd, t0, 8); | |
3703 | tcg_gen_andi_i32(rd, rd, 0xff00ff00); | |
3704 | tcg_gen_andi_i32(tmp, t1, 0x00ff00ff); | |
3705 | tcg_gen_or_i32(rd, rd, tmp); | |
3706 | ||
3707 | tcg_gen_shri_i32(t1, t1, 8); | |
3708 | tcg_gen_andi_i32(t1, t1, 0x00ff00ff); | |
3709 | tcg_gen_andi_i32(tmp, t0, 0xff00ff00); | |
3710 | tcg_gen_or_i32(t1, t1, tmp); | |
3711 | tcg_gen_mov_i32(t0, rd); | |
3712 | ||
3713 | dead_tmp(tmp); | |
3714 | dead_tmp(rd); | |
3715 | } | |
3716 | ||
3717 | static void gen_neon_trn_u16(TCGv t0, TCGv t1) | |
3718 | { | |
3719 | TCGv rd, tmp; | |
3720 | ||
3721 | rd = new_tmp(); | |
3722 | tmp = new_tmp(); | |
3723 | ||
3724 | tcg_gen_shli_i32(rd, t0, 16); | |
3725 | tcg_gen_andi_i32(tmp, t1, 0xffff); | |
3726 | tcg_gen_or_i32(rd, rd, tmp); | |
3727 | tcg_gen_shri_i32(t1, t1, 16); | |
3728 | tcg_gen_andi_i32(tmp, t0, 0xffff0000); | |
3729 | tcg_gen_or_i32(t1, t1, tmp); | |
3730 | tcg_gen_mov_i32(t0, rd); | |
3731 | ||
3732 | dead_tmp(tmp); | |
3733 | dead_tmp(rd); | |
3734 | } | |
3735 | ||
3736 | ||
9ee6e8bb PB |
3737 | static struct { |
3738 | int nregs; | |
3739 | int interleave; | |
3740 | int spacing; | |
3741 | } neon_ls_element_type[11] = { | |
3742 | {4, 4, 1}, | |
3743 | {4, 4, 2}, | |
3744 | {4, 1, 1}, | |
3745 | {4, 2, 1}, | |
3746 | {3, 3, 1}, | |
3747 | {3, 3, 2}, | |
3748 | {3, 1, 1}, | |
3749 | {1, 1, 1}, | |
3750 | {2, 2, 1}, | |
3751 | {2, 2, 2}, | |
3752 | {2, 1, 1} | |
3753 | }; | |
3754 | ||
3755 | /* Translate a NEON load/store element instruction. Return nonzero if the | |
3756 | instruction is invalid. */ | |
3757 | static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn) | |
3758 | { | |
3759 | int rd, rn, rm; | |
3760 | int op; | |
3761 | int nregs; | |
3762 | int interleave; | |
84496233 | 3763 | int spacing; |
9ee6e8bb PB |
3764 | int stride; |
3765 | int size; | |
3766 | int reg; | |
3767 | int pass; | |
3768 | int load; | |
3769 | int shift; | |
9ee6e8bb | 3770 | int n; |
1b2b1e54 | 3771 | TCGv addr; |
b0109805 | 3772 | TCGv tmp; |
8f8e3aa4 | 3773 | TCGv tmp2; |
84496233 | 3774 | TCGv_i64 tmp64; |
9ee6e8bb | 3775 | |
5df8bac1 | 3776 | if (!s->vfp_enabled) |
9ee6e8bb PB |
3777 | return 1; |
3778 | VFP_DREG_D(rd, insn); | |
3779 | rn = (insn >> 16) & 0xf; | |
3780 | rm = insn & 0xf; | |
3781 | load = (insn & (1 << 21)) != 0; | |
1b2b1e54 | 3782 | addr = new_tmp(); |
9ee6e8bb PB |
3783 | if ((insn & (1 << 23)) == 0) { |
3784 | /* Load store all elements. */ | |
3785 | op = (insn >> 8) & 0xf; | |
3786 | size = (insn >> 6) & 3; | |
84496233 | 3787 | if (op > 10) |
9ee6e8bb PB |
3788 | return 1; |
3789 | nregs = neon_ls_element_type[op].nregs; | |
3790 | interleave = neon_ls_element_type[op].interleave; | |
84496233 JR |
3791 | spacing = neon_ls_element_type[op].spacing; |
3792 | if (size == 3 && (interleave | spacing) != 1) | |
3793 | return 1; | |
dcc65026 | 3794 | load_reg_var(s, addr, rn); |
9ee6e8bb PB |
3795 | stride = (1 << size) * interleave; |
3796 | for (reg = 0; reg < nregs; reg++) { | |
3797 | if (interleave > 2 || (interleave == 2 && nregs == 2)) { | |
dcc65026 AJ |
3798 | load_reg_var(s, addr, rn); |
3799 | tcg_gen_addi_i32(addr, addr, (1 << size) * reg); | |
9ee6e8bb | 3800 | } else if (interleave == 2 && nregs == 4 && reg == 2) { |
dcc65026 AJ |
3801 | load_reg_var(s, addr, rn); |
3802 | tcg_gen_addi_i32(addr, addr, 1 << size); | |
9ee6e8bb | 3803 | } |
84496233 JR |
3804 | if (size == 3) { |
3805 | if (load) { | |
3806 | tmp64 = gen_ld64(addr, IS_USER(s)); | |
3807 | neon_store_reg64(tmp64, rd); | |
3808 | tcg_temp_free_i64(tmp64); | |
3809 | } else { | |
3810 | tmp64 = tcg_temp_new_i64(); | |
3811 | neon_load_reg64(tmp64, rd); | |
3812 | gen_st64(tmp64, addr, IS_USER(s)); | |
3813 | } | |
3814 | tcg_gen_addi_i32(addr, addr, stride); | |
3815 | } else { | |
3816 | for (pass = 0; pass < 2; pass++) { | |
3817 | if (size == 2) { | |
3818 | if (load) { | |
3819 | tmp = gen_ld32(addr, IS_USER(s)); | |
3820 | neon_store_reg(rd, pass, tmp); | |
3821 | } else { | |
3822 | tmp = neon_load_reg(rd, pass); | |
3823 | gen_st32(tmp, addr, IS_USER(s)); | |
3824 | } | |
1b2b1e54 | 3825 | tcg_gen_addi_i32(addr, addr, stride); |
84496233 JR |
3826 | } else if (size == 1) { |
3827 | if (load) { | |
3828 | tmp = gen_ld16u(addr, IS_USER(s)); | |
3829 | tcg_gen_addi_i32(addr, addr, stride); | |
3830 | tmp2 = gen_ld16u(addr, IS_USER(s)); | |
3831 | tcg_gen_addi_i32(addr, addr, stride); | |
41ba8341 PB |
3832 | tcg_gen_shli_i32(tmp2, tmp2, 16); |
3833 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
84496233 JR |
3834 | dead_tmp(tmp2); |
3835 | neon_store_reg(rd, pass, tmp); | |
3836 | } else { | |
3837 | tmp = neon_load_reg(rd, pass); | |
3838 | tmp2 = new_tmp(); | |
3839 | tcg_gen_shri_i32(tmp2, tmp, 16); | |
3840 | gen_st16(tmp, addr, IS_USER(s)); | |
3841 | tcg_gen_addi_i32(addr, addr, stride); | |
3842 | gen_st16(tmp2, addr, IS_USER(s)); | |
1b2b1e54 | 3843 | tcg_gen_addi_i32(addr, addr, stride); |
9ee6e8bb | 3844 | } |
84496233 JR |
3845 | } else /* size == 0 */ { |
3846 | if (load) { | |
3847 | TCGV_UNUSED(tmp2); | |
3848 | for (n = 0; n < 4; n++) { | |
3849 | tmp = gen_ld8u(addr, IS_USER(s)); | |
3850 | tcg_gen_addi_i32(addr, addr, stride); | |
3851 | if (n == 0) { | |
3852 | tmp2 = tmp; | |
3853 | } else { | |
41ba8341 PB |
3854 | tcg_gen_shli_i32(tmp, tmp, n * 8); |
3855 | tcg_gen_or_i32(tmp2, tmp2, tmp); | |
84496233 JR |
3856 | dead_tmp(tmp); |
3857 | } | |
9ee6e8bb | 3858 | } |
84496233 JR |
3859 | neon_store_reg(rd, pass, tmp2); |
3860 | } else { | |
3861 | tmp2 = neon_load_reg(rd, pass); | |
3862 | for (n = 0; n < 4; n++) { | |
3863 | tmp = new_tmp(); | |
3864 | if (n == 0) { | |
3865 | tcg_gen_mov_i32(tmp, tmp2); | |
3866 | } else { | |
3867 | tcg_gen_shri_i32(tmp, tmp2, n * 8); | |
3868 | } | |
3869 | gen_st8(tmp, addr, IS_USER(s)); | |
3870 | tcg_gen_addi_i32(addr, addr, stride); | |
3871 | } | |
3872 | dead_tmp(tmp2); | |
9ee6e8bb PB |
3873 | } |
3874 | } | |
3875 | } | |
3876 | } | |
84496233 | 3877 | rd += spacing; |
9ee6e8bb PB |
3878 | } |
3879 | stride = nregs * 8; | |
3880 | } else { | |
3881 | size = (insn >> 10) & 3; | |
3882 | if (size == 3) { | |
3883 | /* Load single element to all lanes. */ | |
3884 | if (!load) | |
3885 | return 1; | |
3886 | size = (insn >> 6) & 3; | |
3887 | nregs = ((insn >> 8) & 3) + 1; | |
3888 | stride = (insn & (1 << 5)) ? 2 : 1; | |
dcc65026 | 3889 | load_reg_var(s, addr, rn); |
9ee6e8bb PB |
3890 | for (reg = 0; reg < nregs; reg++) { |
3891 | switch (size) { | |
3892 | case 0: | |
1b2b1e54 | 3893 | tmp = gen_ld8u(addr, IS_USER(s)); |
ad69471c | 3894 | gen_neon_dup_u8(tmp, 0); |
9ee6e8bb PB |
3895 | break; |
3896 | case 1: | |
1b2b1e54 | 3897 | tmp = gen_ld16u(addr, IS_USER(s)); |
ad69471c | 3898 | gen_neon_dup_low16(tmp); |
9ee6e8bb PB |
3899 | break; |
3900 | case 2: | |
1b2b1e54 | 3901 | tmp = gen_ld32(addr, IS_USER(s)); |
9ee6e8bb PB |
3902 | break; |
3903 | case 3: | |
3904 | return 1; | |
a50f5b91 PB |
3905 | default: /* Avoid compiler warnings. */ |
3906 | abort(); | |
99c475ab | 3907 | } |
1b2b1e54 | 3908 | tcg_gen_addi_i32(addr, addr, 1 << size); |
ad69471c PB |
3909 | tmp2 = new_tmp(); |
3910 | tcg_gen_mov_i32(tmp2, tmp); | |
3911 | neon_store_reg(rd, 0, tmp2); | |
3018f259 | 3912 | neon_store_reg(rd, 1, tmp); |
9ee6e8bb PB |
3913 | rd += stride; |
3914 | } | |
3915 | stride = (1 << size) * nregs; | |
3916 | } else { | |
3917 | /* Single element. */ | |
3918 | pass = (insn >> 7) & 1; | |
3919 | switch (size) { | |
3920 | case 0: | |
3921 | shift = ((insn >> 5) & 3) * 8; | |
9ee6e8bb PB |
3922 | stride = 1; |
3923 | break; | |
3924 | case 1: | |
3925 | shift = ((insn >> 6) & 1) * 16; | |
9ee6e8bb PB |
3926 | stride = (insn & (1 << 5)) ? 2 : 1; |
3927 | break; | |
3928 | case 2: | |
3929 | shift = 0; | |
9ee6e8bb PB |
3930 | stride = (insn & (1 << 6)) ? 2 : 1; |
3931 | break; | |
3932 | default: | |
3933 | abort(); | |
3934 | } | |
3935 | nregs = ((insn >> 8) & 3) + 1; | |
dcc65026 | 3936 | load_reg_var(s, addr, rn); |
9ee6e8bb PB |
3937 | for (reg = 0; reg < nregs; reg++) { |
3938 | if (load) { | |
9ee6e8bb PB |
3939 | switch (size) { |
3940 | case 0: | |
1b2b1e54 | 3941 | tmp = gen_ld8u(addr, IS_USER(s)); |
9ee6e8bb PB |
3942 | break; |
3943 | case 1: | |
1b2b1e54 | 3944 | tmp = gen_ld16u(addr, IS_USER(s)); |
9ee6e8bb PB |
3945 | break; |
3946 | case 2: | |
1b2b1e54 | 3947 | tmp = gen_ld32(addr, IS_USER(s)); |
9ee6e8bb | 3948 | break; |
a50f5b91 PB |
3949 | default: /* Avoid compiler warnings. */ |
3950 | abort(); | |
9ee6e8bb PB |
3951 | } |
3952 | if (size != 2) { | |
8f8e3aa4 PB |
3953 | tmp2 = neon_load_reg(rd, pass); |
3954 | gen_bfi(tmp, tmp2, tmp, shift, size ? 0xffff : 0xff); | |
3955 | dead_tmp(tmp2); | |
9ee6e8bb | 3956 | } |
8f8e3aa4 | 3957 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb | 3958 | } else { /* Store */ |
8f8e3aa4 PB |
3959 | tmp = neon_load_reg(rd, pass); |
3960 | if (shift) | |
3961 | tcg_gen_shri_i32(tmp, tmp, shift); | |
9ee6e8bb PB |
3962 | switch (size) { |
3963 | case 0: | |
1b2b1e54 | 3964 | gen_st8(tmp, addr, IS_USER(s)); |
9ee6e8bb PB |
3965 | break; |
3966 | case 1: | |
1b2b1e54 | 3967 | gen_st16(tmp, addr, IS_USER(s)); |
9ee6e8bb PB |
3968 | break; |
3969 | case 2: | |
1b2b1e54 | 3970 | gen_st32(tmp, addr, IS_USER(s)); |
9ee6e8bb | 3971 | break; |
99c475ab | 3972 | } |
99c475ab | 3973 | } |
9ee6e8bb | 3974 | rd += stride; |
1b2b1e54 | 3975 | tcg_gen_addi_i32(addr, addr, 1 << size); |
99c475ab | 3976 | } |
9ee6e8bb | 3977 | stride = nregs * (1 << size); |
99c475ab | 3978 | } |
9ee6e8bb | 3979 | } |
1b2b1e54 | 3980 | dead_tmp(addr); |
9ee6e8bb | 3981 | if (rm != 15) { |
b26eefb6 PB |
3982 | TCGv base; |
3983 | ||
3984 | base = load_reg(s, rn); | |
9ee6e8bb | 3985 | if (rm == 13) { |
b26eefb6 | 3986 | tcg_gen_addi_i32(base, base, stride); |
9ee6e8bb | 3987 | } else { |
b26eefb6 PB |
3988 | TCGv index; |
3989 | index = load_reg(s, rm); | |
3990 | tcg_gen_add_i32(base, base, index); | |
3991 | dead_tmp(index); | |
9ee6e8bb | 3992 | } |
b26eefb6 | 3993 | store_reg(s, rn, base); |
9ee6e8bb PB |
3994 | } |
3995 | return 0; | |
3996 | } | |
3b46e624 | 3997 | |
8f8e3aa4 PB |
3998 | /* Bitwise select. dest = c ? t : f. Clobbers T and F. */ |
3999 | static void gen_neon_bsl(TCGv dest, TCGv t, TCGv f, TCGv c) | |
4000 | { | |
4001 | tcg_gen_and_i32(t, t, c); | |
f669df27 | 4002 | tcg_gen_andc_i32(f, f, c); |
8f8e3aa4 PB |
4003 | tcg_gen_or_i32(dest, t, f); |
4004 | } | |
4005 | ||
a7812ae4 | 4006 | static inline void gen_neon_narrow(int size, TCGv dest, TCGv_i64 src) |
ad69471c PB |
4007 | { |
4008 | switch (size) { | |
4009 | case 0: gen_helper_neon_narrow_u8(dest, src); break; | |
4010 | case 1: gen_helper_neon_narrow_u16(dest, src); break; | |
4011 | case 2: tcg_gen_trunc_i64_i32(dest, src); break; | |
4012 | default: abort(); | |
4013 | } | |
4014 | } | |
4015 | ||
a7812ae4 | 4016 | static inline void gen_neon_narrow_sats(int size, TCGv dest, TCGv_i64 src) |
ad69471c PB |
4017 | { |
4018 | switch (size) { | |
4019 | case 0: gen_helper_neon_narrow_sat_s8(dest, cpu_env, src); break; | |
4020 | case 1: gen_helper_neon_narrow_sat_s16(dest, cpu_env, src); break; | |
4021 | case 2: gen_helper_neon_narrow_sat_s32(dest, cpu_env, src); break; | |
4022 | default: abort(); | |
4023 | } | |
4024 | } | |
4025 | ||
a7812ae4 | 4026 | static inline void gen_neon_narrow_satu(int size, TCGv dest, TCGv_i64 src) |
ad69471c PB |
4027 | { |
4028 | switch (size) { | |
4029 | case 0: gen_helper_neon_narrow_sat_u8(dest, cpu_env, src); break; | |
4030 | case 1: gen_helper_neon_narrow_sat_u16(dest, cpu_env, src); break; | |
4031 | case 2: gen_helper_neon_narrow_sat_u32(dest, cpu_env, src); break; | |
4032 | default: abort(); | |
4033 | } | |
4034 | } | |
4035 | ||
af1bbf30 JR |
4036 | static inline void gen_neon_unarrow_sats(int size, TCGv dest, TCGv_i64 src) |
4037 | { | |
4038 | switch (size) { | |
4039 | case 0: gen_helper_neon_unarrow_sat8(dest, cpu_env, src); break; | |
4040 | case 1: gen_helper_neon_unarrow_sat16(dest, cpu_env, src); break; | |
4041 | case 2: gen_helper_neon_unarrow_sat32(dest, cpu_env, src); break; | |
4042 | default: abort(); | |
4043 | } | |
4044 | } | |
4045 | ||
ad69471c PB |
4046 | static inline void gen_neon_shift_narrow(int size, TCGv var, TCGv shift, |
4047 | int q, int u) | |
4048 | { | |
4049 | if (q) { | |
4050 | if (u) { | |
4051 | switch (size) { | |
4052 | case 1: gen_helper_neon_rshl_u16(var, var, shift); break; | |
4053 | case 2: gen_helper_neon_rshl_u32(var, var, shift); break; | |
4054 | default: abort(); | |
4055 | } | |
4056 | } else { | |
4057 | switch (size) { | |
4058 | case 1: gen_helper_neon_rshl_s16(var, var, shift); break; | |
4059 | case 2: gen_helper_neon_rshl_s32(var, var, shift); break; | |
4060 | default: abort(); | |
4061 | } | |
4062 | } | |
4063 | } else { | |
4064 | if (u) { | |
4065 | switch (size) { | |
b408a9b0 CL |
4066 | case 1: gen_helper_neon_shl_u16(var, var, shift); break; |
4067 | case 2: gen_helper_neon_shl_u32(var, var, shift); break; | |
ad69471c PB |
4068 | default: abort(); |
4069 | } | |
4070 | } else { | |
4071 | switch (size) { | |
4072 | case 1: gen_helper_neon_shl_s16(var, var, shift); break; | |
4073 | case 2: gen_helper_neon_shl_s32(var, var, shift); break; | |
4074 | default: abort(); | |
4075 | } | |
4076 | } | |
4077 | } | |
4078 | } | |
4079 | ||
a7812ae4 | 4080 | static inline void gen_neon_widen(TCGv_i64 dest, TCGv src, int size, int u) |
ad69471c PB |
4081 | { |
4082 | if (u) { | |
4083 | switch (size) { | |
4084 | case 0: gen_helper_neon_widen_u8(dest, src); break; | |
4085 | case 1: gen_helper_neon_widen_u16(dest, src); break; | |
4086 | case 2: tcg_gen_extu_i32_i64(dest, src); break; | |
4087 | default: abort(); | |
4088 | } | |
4089 | } else { | |
4090 | switch (size) { | |
4091 | case 0: gen_helper_neon_widen_s8(dest, src); break; | |
4092 | case 1: gen_helper_neon_widen_s16(dest, src); break; | |
4093 | case 2: tcg_gen_ext_i32_i64(dest, src); break; | |
4094 | default: abort(); | |
4095 | } | |
4096 | } | |
4097 | dead_tmp(src); | |
4098 | } | |
4099 | ||
4100 | static inline void gen_neon_addl(int size) | |
4101 | { | |
4102 | switch (size) { | |
4103 | case 0: gen_helper_neon_addl_u16(CPU_V001); break; | |
4104 | case 1: gen_helper_neon_addl_u32(CPU_V001); break; | |
4105 | case 2: tcg_gen_add_i64(CPU_V001); break; | |
4106 | default: abort(); | |
4107 | } | |
4108 | } | |
4109 | ||
4110 | static inline void gen_neon_subl(int size) | |
4111 | { | |
4112 | switch (size) { | |
4113 | case 0: gen_helper_neon_subl_u16(CPU_V001); break; | |
4114 | case 1: gen_helper_neon_subl_u32(CPU_V001); break; | |
4115 | case 2: tcg_gen_sub_i64(CPU_V001); break; | |
4116 | default: abort(); | |
4117 | } | |
4118 | } | |
4119 | ||
a7812ae4 | 4120 | static inline void gen_neon_negl(TCGv_i64 var, int size) |
ad69471c PB |
4121 | { |
4122 | switch (size) { | |
4123 | case 0: gen_helper_neon_negl_u16(var, var); break; | |
4124 | case 1: gen_helper_neon_negl_u32(var, var); break; | |
4125 | case 2: gen_helper_neon_negl_u64(var, var); break; | |
4126 | default: abort(); | |
4127 | } | |
4128 | } | |
4129 | ||
a7812ae4 | 4130 | static inline void gen_neon_addl_saturate(TCGv_i64 op0, TCGv_i64 op1, int size) |
ad69471c PB |
4131 | { |
4132 | switch (size) { | |
4133 | case 1: gen_helper_neon_addl_saturate_s32(op0, cpu_env, op0, op1); break; | |
4134 | case 2: gen_helper_neon_addl_saturate_s64(op0, cpu_env, op0, op1); break; | |
4135 | default: abort(); | |
4136 | } | |
4137 | } | |
4138 | ||
a7812ae4 | 4139 | static inline void gen_neon_mull(TCGv_i64 dest, TCGv a, TCGv b, int size, int u) |
ad69471c | 4140 | { |
a7812ae4 | 4141 | TCGv_i64 tmp; |
ad69471c PB |
4142 | |
4143 | switch ((size << 1) | u) { | |
4144 | case 0: gen_helper_neon_mull_s8(dest, a, b); break; | |
4145 | case 1: gen_helper_neon_mull_u8(dest, a, b); break; | |
4146 | case 2: gen_helper_neon_mull_s16(dest, a, b); break; | |
4147 | case 3: gen_helper_neon_mull_u16(dest, a, b); break; | |
4148 | case 4: | |
4149 | tmp = gen_muls_i64_i32(a, b); | |
4150 | tcg_gen_mov_i64(dest, tmp); | |
4151 | break; | |
4152 | case 5: | |
4153 | tmp = gen_mulu_i64_i32(a, b); | |
4154 | tcg_gen_mov_i64(dest, tmp); | |
4155 | break; | |
4156 | default: abort(); | |
4157 | } | |
c6067f04 CL |
4158 | |
4159 | /* gen_helper_neon_mull_[su]{8|16} do not free their parameters. | |
4160 | Don't forget to clean them now. */ | |
4161 | if (size < 2) { | |
4162 | dead_tmp(a); | |
4163 | dead_tmp(b); | |
4164 | } | |
ad69471c PB |
4165 | } |
4166 | ||
c33171c7 PM |
4167 | static void gen_neon_narrow_op(int op, int u, int size, TCGv dest, TCGv_i64 src) |
4168 | { | |
4169 | if (op) { | |
4170 | if (u) { | |
4171 | gen_neon_unarrow_sats(size, dest, src); | |
4172 | } else { | |
4173 | gen_neon_narrow(size, dest, src); | |
4174 | } | |
4175 | } else { | |
4176 | if (u) { | |
4177 | gen_neon_narrow_satu(size, dest, src); | |
4178 | } else { | |
4179 | gen_neon_narrow_sats(size, dest, src); | |
4180 | } | |
4181 | } | |
4182 | } | |
4183 | ||
9ee6e8bb PB |
4184 | /* Translate a NEON data processing instruction. Return nonzero if the |
4185 | instruction is invalid. | |
ad69471c PB |
4186 | We process data in a mixture of 32-bit and 64-bit chunks. |
4187 | Mostly we use 32-bit chunks so we can use normal scalar instructions. */ | |
2c0262af | 4188 | |
9ee6e8bb PB |
4189 | static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) |
4190 | { | |
4191 | int op; | |
4192 | int q; | |
4193 | int rd, rn, rm; | |
4194 | int size; | |
4195 | int shift; | |
4196 | int pass; | |
4197 | int count; | |
4198 | int pairwise; | |
4199 | int u; | |
4200 | int n; | |
ca9a32e4 | 4201 | uint32_t imm, mask; |
b75263d6 | 4202 | TCGv tmp, tmp2, tmp3, tmp4, tmp5; |
a7812ae4 | 4203 | TCGv_i64 tmp64; |
9ee6e8bb | 4204 | |
5df8bac1 | 4205 | if (!s->vfp_enabled) |
9ee6e8bb PB |
4206 | return 1; |
4207 | q = (insn & (1 << 6)) != 0; | |
4208 | u = (insn >> 24) & 1; | |
4209 | VFP_DREG_D(rd, insn); | |
4210 | VFP_DREG_N(rn, insn); | |
4211 | VFP_DREG_M(rm, insn); | |
4212 | size = (insn >> 20) & 3; | |
4213 | if ((insn & (1 << 23)) == 0) { | |
4214 | /* Three register same length. */ | |
4215 | op = ((insn >> 7) & 0x1e) | ((insn >> 4) & 1); | |
ad69471c PB |
4216 | if (size == 3 && (op == 1 || op == 5 || op == 8 || op == 9 |
4217 | || op == 10 || op == 11 || op == 16)) { | |
4218 | /* 64-bit element instructions. */ | |
9ee6e8bb | 4219 | for (pass = 0; pass < (q ? 2 : 1); pass++) { |
ad69471c PB |
4220 | neon_load_reg64(cpu_V0, rn + pass); |
4221 | neon_load_reg64(cpu_V1, rm + pass); | |
9ee6e8bb PB |
4222 | switch (op) { |
4223 | case 1: /* VQADD */ | |
4224 | if (u) { | |
72902672 CL |
4225 | gen_helper_neon_qadd_u64(cpu_V0, cpu_env, |
4226 | cpu_V0, cpu_V1); | |
2c0262af | 4227 | } else { |
72902672 CL |
4228 | gen_helper_neon_qadd_s64(cpu_V0, cpu_env, |
4229 | cpu_V0, cpu_V1); | |
2c0262af | 4230 | } |
9ee6e8bb PB |
4231 | break; |
4232 | case 5: /* VQSUB */ | |
4233 | if (u) { | |
72902672 CL |
4234 | gen_helper_neon_qsub_u64(cpu_V0, cpu_env, |
4235 | cpu_V0, cpu_V1); | |
ad69471c | 4236 | } else { |
72902672 CL |
4237 | gen_helper_neon_qsub_s64(cpu_V0, cpu_env, |
4238 | cpu_V0, cpu_V1); | |
ad69471c PB |
4239 | } |
4240 | break; | |
4241 | case 8: /* VSHL */ | |
4242 | if (u) { | |
4243 | gen_helper_neon_shl_u64(cpu_V0, cpu_V1, cpu_V0); | |
4244 | } else { | |
4245 | gen_helper_neon_shl_s64(cpu_V0, cpu_V1, cpu_V0); | |
4246 | } | |
4247 | break; | |
4248 | case 9: /* VQSHL */ | |
4249 | if (u) { | |
4250 | gen_helper_neon_qshl_u64(cpu_V0, cpu_env, | |
def126ce | 4251 | cpu_V1, cpu_V0); |
ad69471c | 4252 | } else { |
def126ce | 4253 | gen_helper_neon_qshl_s64(cpu_V0, cpu_env, |
ad69471c PB |
4254 | cpu_V1, cpu_V0); |
4255 | } | |
4256 | break; | |
4257 | case 10: /* VRSHL */ | |
4258 | if (u) { | |
4259 | gen_helper_neon_rshl_u64(cpu_V0, cpu_V1, cpu_V0); | |
1e8d4eec | 4260 | } else { |
ad69471c PB |
4261 | gen_helper_neon_rshl_s64(cpu_V0, cpu_V1, cpu_V0); |
4262 | } | |
4263 | break; | |
4264 | case 11: /* VQRSHL */ | |
4265 | if (u) { | |
4266 | gen_helper_neon_qrshl_u64(cpu_V0, cpu_env, | |
4267 | cpu_V1, cpu_V0); | |
4268 | } else { | |
4269 | gen_helper_neon_qrshl_s64(cpu_V0, cpu_env, | |
4270 | cpu_V1, cpu_V0); | |
1e8d4eec | 4271 | } |
9ee6e8bb PB |
4272 | break; |
4273 | case 16: | |
4274 | if (u) { | |
ad69471c | 4275 | tcg_gen_sub_i64(CPU_V001); |
9ee6e8bb | 4276 | } else { |
ad69471c | 4277 | tcg_gen_add_i64(CPU_V001); |
9ee6e8bb PB |
4278 | } |
4279 | break; | |
4280 | default: | |
4281 | abort(); | |
2c0262af | 4282 | } |
ad69471c | 4283 | neon_store_reg64(cpu_V0, rd + pass); |
2c0262af | 4284 | } |
9ee6e8bb | 4285 | return 0; |
2c0262af | 4286 | } |
9ee6e8bb PB |
4287 | switch (op) { |
4288 | case 8: /* VSHL */ | |
4289 | case 9: /* VQSHL */ | |
4290 | case 10: /* VRSHL */ | |
ad69471c | 4291 | case 11: /* VQRSHL */ |
9ee6e8bb | 4292 | { |
ad69471c PB |
4293 | int rtmp; |
4294 | /* Shift instruction operands are reversed. */ | |
4295 | rtmp = rn; | |
9ee6e8bb | 4296 | rn = rm; |
ad69471c | 4297 | rm = rtmp; |
9ee6e8bb PB |
4298 | pairwise = 0; |
4299 | } | |
2c0262af | 4300 | break; |
9ee6e8bb PB |
4301 | case 20: /* VPMAX */ |
4302 | case 21: /* VPMIN */ | |
4303 | case 23: /* VPADD */ | |
4304 | pairwise = 1; | |
2c0262af | 4305 | break; |
9ee6e8bb PB |
4306 | case 26: /* VPADD (float) */ |
4307 | pairwise = (u && size < 2); | |
2c0262af | 4308 | break; |
9ee6e8bb PB |
4309 | case 30: /* VPMIN/VPMAX (float) */ |
4310 | pairwise = u; | |
2c0262af | 4311 | break; |
9ee6e8bb PB |
4312 | default: |
4313 | pairwise = 0; | |
2c0262af | 4314 | break; |
9ee6e8bb | 4315 | } |
dd8fbd78 | 4316 | |
9ee6e8bb PB |
4317 | for (pass = 0; pass < (q ? 4 : 2); pass++) { |
4318 | ||
4319 | if (pairwise) { | |
4320 | /* Pairwise. */ | |
4321 | if (q) | |
4322 | n = (pass & 1) * 2; | |
2c0262af | 4323 | else |
9ee6e8bb PB |
4324 | n = 0; |
4325 | if (pass < q + 1) { | |
dd8fbd78 FN |
4326 | tmp = neon_load_reg(rn, n); |
4327 | tmp2 = neon_load_reg(rn, n + 1); | |
9ee6e8bb | 4328 | } else { |
dd8fbd78 FN |
4329 | tmp = neon_load_reg(rm, n); |
4330 | tmp2 = neon_load_reg(rm, n + 1); | |
9ee6e8bb PB |
4331 | } |
4332 | } else { | |
4333 | /* Elementwise. */ | |
dd8fbd78 FN |
4334 | tmp = neon_load_reg(rn, pass); |
4335 | tmp2 = neon_load_reg(rm, pass); | |
9ee6e8bb PB |
4336 | } |
4337 | switch (op) { | |
4338 | case 0: /* VHADD */ | |
4339 | GEN_NEON_INTEGER_OP(hadd); | |
4340 | break; | |
4341 | case 1: /* VQADD */ | |
ad69471c | 4342 | GEN_NEON_INTEGER_OP_ENV(qadd); |
2c0262af | 4343 | break; |
9ee6e8bb PB |
4344 | case 2: /* VRHADD */ |
4345 | GEN_NEON_INTEGER_OP(rhadd); | |
2c0262af | 4346 | break; |
9ee6e8bb PB |
4347 | case 3: /* Logic ops. */ |
4348 | switch ((u << 2) | size) { | |
4349 | case 0: /* VAND */ | |
dd8fbd78 | 4350 | tcg_gen_and_i32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4351 | break; |
4352 | case 1: /* BIC */ | |
f669df27 | 4353 | tcg_gen_andc_i32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4354 | break; |
4355 | case 2: /* VORR */ | |
dd8fbd78 | 4356 | tcg_gen_or_i32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4357 | break; |
4358 | case 3: /* VORN */ | |
f669df27 | 4359 | tcg_gen_orc_i32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4360 | break; |
4361 | case 4: /* VEOR */ | |
dd8fbd78 | 4362 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4363 | break; |
4364 | case 5: /* VBSL */ | |
dd8fbd78 FN |
4365 | tmp3 = neon_load_reg(rd, pass); |
4366 | gen_neon_bsl(tmp, tmp, tmp2, tmp3); | |
4367 | dead_tmp(tmp3); | |
9ee6e8bb PB |
4368 | break; |
4369 | case 6: /* VBIT */ | |
dd8fbd78 FN |
4370 | tmp3 = neon_load_reg(rd, pass); |
4371 | gen_neon_bsl(tmp, tmp, tmp3, tmp2); | |
4372 | dead_tmp(tmp3); | |
9ee6e8bb PB |
4373 | break; |
4374 | case 7: /* VBIF */ | |
dd8fbd78 FN |
4375 | tmp3 = neon_load_reg(rd, pass); |
4376 | gen_neon_bsl(tmp, tmp3, tmp, tmp2); | |
4377 | dead_tmp(tmp3); | |
9ee6e8bb | 4378 | break; |
2c0262af FB |
4379 | } |
4380 | break; | |
9ee6e8bb PB |
4381 | case 4: /* VHSUB */ |
4382 | GEN_NEON_INTEGER_OP(hsub); | |
4383 | break; | |
4384 | case 5: /* VQSUB */ | |
ad69471c | 4385 | GEN_NEON_INTEGER_OP_ENV(qsub); |
2c0262af | 4386 | break; |
9ee6e8bb PB |
4387 | case 6: /* VCGT */ |
4388 | GEN_NEON_INTEGER_OP(cgt); | |
4389 | break; | |
4390 | case 7: /* VCGE */ | |
4391 | GEN_NEON_INTEGER_OP(cge); | |
4392 | break; | |
4393 | case 8: /* VSHL */ | |
ad69471c | 4394 | GEN_NEON_INTEGER_OP(shl); |
2c0262af | 4395 | break; |
9ee6e8bb | 4396 | case 9: /* VQSHL */ |
ad69471c | 4397 | GEN_NEON_INTEGER_OP_ENV(qshl); |
2c0262af | 4398 | break; |
9ee6e8bb | 4399 | case 10: /* VRSHL */ |
ad69471c | 4400 | GEN_NEON_INTEGER_OP(rshl); |
2c0262af | 4401 | break; |
9ee6e8bb | 4402 | case 11: /* VQRSHL */ |
ad69471c | 4403 | GEN_NEON_INTEGER_OP_ENV(qrshl); |
9ee6e8bb PB |
4404 | break; |
4405 | case 12: /* VMAX */ | |
4406 | GEN_NEON_INTEGER_OP(max); | |
4407 | break; | |
4408 | case 13: /* VMIN */ | |
4409 | GEN_NEON_INTEGER_OP(min); | |
4410 | break; | |
4411 | case 14: /* VABD */ | |
4412 | GEN_NEON_INTEGER_OP(abd); | |
4413 | break; | |
4414 | case 15: /* VABA */ | |
4415 | GEN_NEON_INTEGER_OP(abd); | |
dd8fbd78 FN |
4416 | dead_tmp(tmp2); |
4417 | tmp2 = neon_load_reg(rd, pass); | |
4418 | gen_neon_add(size, tmp, tmp2); | |
9ee6e8bb PB |
4419 | break; |
4420 | case 16: | |
4421 | if (!u) { /* VADD */ | |
dd8fbd78 | 4422 | if (gen_neon_add(size, tmp, tmp2)) |
9ee6e8bb PB |
4423 | return 1; |
4424 | } else { /* VSUB */ | |
4425 | switch (size) { | |
dd8fbd78 FN |
4426 | case 0: gen_helper_neon_sub_u8(tmp, tmp, tmp2); break; |
4427 | case 1: gen_helper_neon_sub_u16(tmp, tmp, tmp2); break; | |
4428 | case 2: tcg_gen_sub_i32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
4429 | default: return 1; |
4430 | } | |
4431 | } | |
4432 | break; | |
4433 | case 17: | |
4434 | if (!u) { /* VTST */ | |
4435 | switch (size) { | |
dd8fbd78 FN |
4436 | case 0: gen_helper_neon_tst_u8(tmp, tmp, tmp2); break; |
4437 | case 1: gen_helper_neon_tst_u16(tmp, tmp, tmp2); break; | |
4438 | case 2: gen_helper_neon_tst_u32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
4439 | default: return 1; |
4440 | } | |
4441 | } else { /* VCEQ */ | |
4442 | switch (size) { | |
dd8fbd78 FN |
4443 | case 0: gen_helper_neon_ceq_u8(tmp, tmp, tmp2); break; |
4444 | case 1: gen_helper_neon_ceq_u16(tmp, tmp, tmp2); break; | |
4445 | case 2: gen_helper_neon_ceq_u32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
4446 | default: return 1; |
4447 | } | |
4448 | } | |
4449 | break; | |
4450 | case 18: /* Multiply. */ | |
4451 | switch (size) { | |
dd8fbd78 FN |
4452 | case 0: gen_helper_neon_mul_u8(tmp, tmp, tmp2); break; |
4453 | case 1: gen_helper_neon_mul_u16(tmp, tmp, tmp2); break; | |
4454 | case 2: tcg_gen_mul_i32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
4455 | default: return 1; |
4456 | } | |
dd8fbd78 FN |
4457 | dead_tmp(tmp2); |
4458 | tmp2 = neon_load_reg(rd, pass); | |
9ee6e8bb | 4459 | if (u) { /* VMLS */ |
dd8fbd78 | 4460 | gen_neon_rsb(size, tmp, tmp2); |
9ee6e8bb | 4461 | } else { /* VMLA */ |
dd8fbd78 | 4462 | gen_neon_add(size, tmp, tmp2); |
9ee6e8bb PB |
4463 | } |
4464 | break; | |
4465 | case 19: /* VMUL */ | |
4466 | if (u) { /* polynomial */ | |
dd8fbd78 | 4467 | gen_helper_neon_mul_p8(tmp, tmp, tmp2); |
9ee6e8bb PB |
4468 | } else { /* Integer */ |
4469 | switch (size) { | |
dd8fbd78 FN |
4470 | case 0: gen_helper_neon_mul_u8(tmp, tmp, tmp2); break; |
4471 | case 1: gen_helper_neon_mul_u16(tmp, tmp, tmp2); break; | |
4472 | case 2: tcg_gen_mul_i32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
4473 | default: return 1; |
4474 | } | |
4475 | } | |
4476 | break; | |
4477 | case 20: /* VPMAX */ | |
4478 | GEN_NEON_INTEGER_OP(pmax); | |
4479 | break; | |
4480 | case 21: /* VPMIN */ | |
4481 | GEN_NEON_INTEGER_OP(pmin); | |
4482 | break; | |
4483 | case 22: /* Hultiply high. */ | |
4484 | if (!u) { /* VQDMULH */ | |
4485 | switch (size) { | |
dd8fbd78 FN |
4486 | case 1: gen_helper_neon_qdmulh_s16(tmp, cpu_env, tmp, tmp2); break; |
4487 | case 2: gen_helper_neon_qdmulh_s32(tmp, cpu_env, tmp, tmp2); break; | |
9ee6e8bb PB |
4488 | default: return 1; |
4489 | } | |
4490 | } else { /* VQRDHMUL */ | |
4491 | switch (size) { | |
dd8fbd78 FN |
4492 | case 1: gen_helper_neon_qrdmulh_s16(tmp, cpu_env, tmp, tmp2); break; |
4493 | case 2: gen_helper_neon_qrdmulh_s32(tmp, cpu_env, tmp, tmp2); break; | |
9ee6e8bb PB |
4494 | default: return 1; |
4495 | } | |
4496 | } | |
4497 | break; | |
4498 | case 23: /* VPADD */ | |
4499 | if (u) | |
4500 | return 1; | |
4501 | switch (size) { | |
dd8fbd78 FN |
4502 | case 0: gen_helper_neon_padd_u8(tmp, tmp, tmp2); break; |
4503 | case 1: gen_helper_neon_padd_u16(tmp, tmp, tmp2); break; | |
4504 | case 2: tcg_gen_add_i32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
4505 | default: return 1; |
4506 | } | |
4507 | break; | |
4508 | case 26: /* Floating point arithnetic. */ | |
4509 | switch ((u << 2) | size) { | |
4510 | case 0: /* VADD */ | |
dd8fbd78 | 4511 | gen_helper_neon_add_f32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4512 | break; |
4513 | case 2: /* VSUB */ | |
dd8fbd78 | 4514 | gen_helper_neon_sub_f32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4515 | break; |
4516 | case 4: /* VPADD */ | |
dd8fbd78 | 4517 | gen_helper_neon_add_f32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4518 | break; |
4519 | case 6: /* VABD */ | |
dd8fbd78 | 4520 | gen_helper_neon_abd_f32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4521 | break; |
4522 | default: | |
4523 | return 1; | |
4524 | } | |
4525 | break; | |
4526 | case 27: /* Float multiply. */ | |
dd8fbd78 | 4527 | gen_helper_neon_mul_f32(tmp, tmp, tmp2); |
9ee6e8bb | 4528 | if (!u) { |
dd8fbd78 FN |
4529 | dead_tmp(tmp2); |
4530 | tmp2 = neon_load_reg(rd, pass); | |
9ee6e8bb | 4531 | if (size == 0) { |
dd8fbd78 | 4532 | gen_helper_neon_add_f32(tmp, tmp, tmp2); |
9ee6e8bb | 4533 | } else { |
dd8fbd78 | 4534 | gen_helper_neon_sub_f32(tmp, tmp2, tmp); |
9ee6e8bb PB |
4535 | } |
4536 | } | |
4537 | break; | |
4538 | case 28: /* Float compare. */ | |
4539 | if (!u) { | |
dd8fbd78 | 4540 | gen_helper_neon_ceq_f32(tmp, tmp, tmp2); |
b5ff1b31 | 4541 | } else { |
9ee6e8bb | 4542 | if (size == 0) |
dd8fbd78 | 4543 | gen_helper_neon_cge_f32(tmp, tmp, tmp2); |
9ee6e8bb | 4544 | else |
dd8fbd78 | 4545 | gen_helper_neon_cgt_f32(tmp, tmp, tmp2); |
b5ff1b31 | 4546 | } |
2c0262af | 4547 | break; |
9ee6e8bb PB |
4548 | case 29: /* Float compare absolute. */ |
4549 | if (!u) | |
4550 | return 1; | |
4551 | if (size == 0) | |
dd8fbd78 | 4552 | gen_helper_neon_acge_f32(tmp, tmp, tmp2); |
9ee6e8bb | 4553 | else |
dd8fbd78 | 4554 | gen_helper_neon_acgt_f32(tmp, tmp, tmp2); |
2c0262af | 4555 | break; |
9ee6e8bb PB |
4556 | case 30: /* Float min/max. */ |
4557 | if (size == 0) | |
dd8fbd78 | 4558 | gen_helper_neon_max_f32(tmp, tmp, tmp2); |
9ee6e8bb | 4559 | else |
dd8fbd78 | 4560 | gen_helper_neon_min_f32(tmp, tmp, tmp2); |
9ee6e8bb PB |
4561 | break; |
4562 | case 31: | |
4563 | if (size == 0) | |
dd8fbd78 | 4564 | gen_helper_recps_f32(tmp, tmp, tmp2, cpu_env); |
9ee6e8bb | 4565 | else |
dd8fbd78 | 4566 | gen_helper_rsqrts_f32(tmp, tmp, tmp2, cpu_env); |
2c0262af | 4567 | break; |
9ee6e8bb PB |
4568 | default: |
4569 | abort(); | |
2c0262af | 4570 | } |
dd8fbd78 FN |
4571 | dead_tmp(tmp2); |
4572 | ||
9ee6e8bb PB |
4573 | /* Save the result. For elementwise operations we can put it |
4574 | straight into the destination register. For pairwise operations | |
4575 | we have to be careful to avoid clobbering the source operands. */ | |
4576 | if (pairwise && rd == rm) { | |
dd8fbd78 | 4577 | neon_store_scratch(pass, tmp); |
9ee6e8bb | 4578 | } else { |
dd8fbd78 | 4579 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb PB |
4580 | } |
4581 | ||
4582 | } /* for pass */ | |
4583 | if (pairwise && rd == rm) { | |
4584 | for (pass = 0; pass < (q ? 4 : 2); pass++) { | |
dd8fbd78 FN |
4585 | tmp = neon_load_scratch(pass); |
4586 | neon_store_reg(rd, pass, tmp); | |
9ee6e8bb PB |
4587 | } |
4588 | } | |
ad69471c | 4589 | /* End of 3 register same size operations. */ |
9ee6e8bb PB |
4590 | } else if (insn & (1 << 4)) { |
4591 | if ((insn & 0x00380080) != 0) { | |
4592 | /* Two registers and shift. */ | |
4593 | op = (insn >> 8) & 0xf; | |
4594 | if (insn & (1 << 7)) { | |
4595 | /* 64-bit shift. */ | |
4596 | size = 3; | |
4597 | } else { | |
4598 | size = 2; | |
4599 | while ((insn & (1 << (size + 19))) == 0) | |
4600 | size--; | |
4601 | } | |
4602 | shift = (insn >> 16) & ((1 << (3 + size)) - 1); | |
4603 | /* To avoid excessive dumplication of ops we implement shift | |
4604 | by immediate using the variable shift operations. */ | |
4605 | if (op < 8) { | |
4606 | /* Shift by immediate: | |
4607 | VSHR, VSRA, VRSHR, VRSRA, VSRI, VSHL, VQSHL, VQSHLU. */ | |
4608 | /* Right shifts are encoded as N - shift, where N is the | |
4609 | element size in bits. */ | |
4610 | if (op <= 4) | |
4611 | shift = shift - (1 << (size + 3)); | |
9ee6e8bb PB |
4612 | if (size == 3) { |
4613 | count = q + 1; | |
4614 | } else { | |
4615 | count = q ? 4: 2; | |
4616 | } | |
4617 | switch (size) { | |
4618 | case 0: | |
4619 | imm = (uint8_t) shift; | |
4620 | imm |= imm << 8; | |
4621 | imm |= imm << 16; | |
4622 | break; | |
4623 | case 1: | |
4624 | imm = (uint16_t) shift; | |
4625 | imm |= imm << 16; | |
4626 | break; | |
4627 | case 2: | |
4628 | case 3: | |
4629 | imm = shift; | |
4630 | break; | |
4631 | default: | |
4632 | abort(); | |
4633 | } | |
4634 | ||
4635 | for (pass = 0; pass < count; pass++) { | |
ad69471c PB |
4636 | if (size == 3) { |
4637 | neon_load_reg64(cpu_V0, rm + pass); | |
4638 | tcg_gen_movi_i64(cpu_V1, imm); | |
4639 | switch (op) { | |
4640 | case 0: /* VSHR */ | |
4641 | case 1: /* VSRA */ | |
4642 | if (u) | |
4643 | gen_helper_neon_shl_u64(cpu_V0, cpu_V0, cpu_V1); | |
9ee6e8bb | 4644 | else |
ad69471c | 4645 | gen_helper_neon_shl_s64(cpu_V0, cpu_V0, cpu_V1); |
9ee6e8bb | 4646 | break; |
ad69471c PB |
4647 | case 2: /* VRSHR */ |
4648 | case 3: /* VRSRA */ | |
4649 | if (u) | |
4650 | gen_helper_neon_rshl_u64(cpu_V0, cpu_V0, cpu_V1); | |
9ee6e8bb | 4651 | else |
ad69471c | 4652 | gen_helper_neon_rshl_s64(cpu_V0, cpu_V0, cpu_V1); |
9ee6e8bb | 4653 | break; |
ad69471c PB |
4654 | case 4: /* VSRI */ |
4655 | if (!u) | |
4656 | return 1; | |
4657 | gen_helper_neon_shl_u64(cpu_V0, cpu_V0, cpu_V1); | |
4658 | break; | |
4659 | case 5: /* VSHL, VSLI */ | |
4660 | gen_helper_neon_shl_u64(cpu_V0, cpu_V0, cpu_V1); | |
4661 | break; | |
0322b26e PM |
4662 | case 6: /* VQSHLU */ |
4663 | if (u) { | |
4664 | gen_helper_neon_qshlu_s64(cpu_V0, cpu_env, | |
4665 | cpu_V0, cpu_V1); | |
4666 | } else { | |
4667 | return 1; | |
4668 | } | |
ad69471c | 4669 | break; |
0322b26e PM |
4670 | case 7: /* VQSHL */ |
4671 | if (u) { | |
4672 | gen_helper_neon_qshl_u64(cpu_V0, cpu_env, | |
4673 | cpu_V0, cpu_V1); | |
4674 | } else { | |
4675 | gen_helper_neon_qshl_s64(cpu_V0, cpu_env, | |
4676 | cpu_V0, cpu_V1); | |
4677 | } | |
9ee6e8bb | 4678 | break; |
9ee6e8bb | 4679 | } |
ad69471c PB |
4680 | if (op == 1 || op == 3) { |
4681 | /* Accumulate. */ | |
5371cb81 | 4682 | neon_load_reg64(cpu_V1, rd + pass); |
ad69471c PB |
4683 | tcg_gen_add_i64(cpu_V0, cpu_V0, cpu_V1); |
4684 | } else if (op == 4 || (op == 5 && u)) { | |
4685 | /* Insert */ | |
923e6509 CL |
4686 | neon_load_reg64(cpu_V1, rd + pass); |
4687 | uint64_t mask; | |
4688 | if (shift < -63 || shift > 63) { | |
4689 | mask = 0; | |
4690 | } else { | |
4691 | if (op == 4) { | |
4692 | mask = 0xffffffffffffffffull >> -shift; | |
4693 | } else { | |
4694 | mask = 0xffffffffffffffffull << shift; | |
4695 | } | |
4696 | } | |
4697 | tcg_gen_andi_i64(cpu_V1, cpu_V1, ~mask); | |
4698 | tcg_gen_or_i64(cpu_V0, cpu_V0, cpu_V1); | |
ad69471c PB |
4699 | } |
4700 | neon_store_reg64(cpu_V0, rd + pass); | |
4701 | } else { /* size < 3 */ | |
4702 | /* Operands in T0 and T1. */ | |
dd8fbd78 FN |
4703 | tmp = neon_load_reg(rm, pass); |
4704 | tmp2 = new_tmp(); | |
4705 | tcg_gen_movi_i32(tmp2, imm); | |
ad69471c PB |
4706 | switch (op) { |
4707 | case 0: /* VSHR */ | |
4708 | case 1: /* VSRA */ | |
4709 | GEN_NEON_INTEGER_OP(shl); | |
4710 | break; | |
4711 | case 2: /* VRSHR */ | |
4712 | case 3: /* VRSRA */ | |
4713 | GEN_NEON_INTEGER_OP(rshl); | |
4714 | break; | |
4715 | case 4: /* VSRI */ | |
4716 | if (!u) | |
4717 | return 1; | |
4718 | GEN_NEON_INTEGER_OP(shl); | |
4719 | break; | |
4720 | case 5: /* VSHL, VSLI */ | |
4721 | switch (size) { | |
dd8fbd78 FN |
4722 | case 0: gen_helper_neon_shl_u8(tmp, tmp, tmp2); break; |
4723 | case 1: gen_helper_neon_shl_u16(tmp, tmp, tmp2); break; | |
4724 | case 2: gen_helper_neon_shl_u32(tmp, tmp, tmp2); break; | |
ad69471c PB |
4725 | default: return 1; |
4726 | } | |
4727 | break; | |
0322b26e PM |
4728 | case 6: /* VQSHLU */ |
4729 | if (!u) { | |
4730 | return 1; | |
4731 | } | |
ad69471c | 4732 | switch (size) { |
0322b26e PM |
4733 | case 0: |
4734 | gen_helper_neon_qshlu_s8(tmp, cpu_env, | |
4735 | tmp, tmp2); | |
4736 | break; | |
4737 | case 1: | |
4738 | gen_helper_neon_qshlu_s16(tmp, cpu_env, | |
4739 | tmp, tmp2); | |
4740 | break; | |
4741 | case 2: | |
4742 | gen_helper_neon_qshlu_s32(tmp, cpu_env, | |
4743 | tmp, tmp2); | |
4744 | break; | |
4745 | default: | |
4746 | return 1; | |
ad69471c PB |
4747 | } |
4748 | break; | |
0322b26e PM |
4749 | case 7: /* VQSHL */ |
4750 | GEN_NEON_INTEGER_OP_ENV(qshl); | |
4751 | break; | |
ad69471c | 4752 | } |
dd8fbd78 | 4753 | dead_tmp(tmp2); |
ad69471c PB |
4754 | |
4755 | if (op == 1 || op == 3) { | |
4756 | /* Accumulate. */ | |
dd8fbd78 | 4757 | tmp2 = neon_load_reg(rd, pass); |
5371cb81 | 4758 | gen_neon_add(size, tmp, tmp2); |
dd8fbd78 | 4759 | dead_tmp(tmp2); |
ad69471c PB |
4760 | } else if (op == 4 || (op == 5 && u)) { |
4761 | /* Insert */ | |
4762 | switch (size) { | |
4763 | case 0: | |
4764 | if (op == 4) | |
ca9a32e4 | 4765 | mask = 0xff >> -shift; |
ad69471c | 4766 | else |
ca9a32e4 JR |
4767 | mask = (uint8_t)(0xff << shift); |
4768 | mask |= mask << 8; | |
4769 | mask |= mask << 16; | |
ad69471c PB |
4770 | break; |
4771 | case 1: | |
4772 | if (op == 4) | |
ca9a32e4 | 4773 | mask = 0xffff >> -shift; |
ad69471c | 4774 | else |
ca9a32e4 JR |
4775 | mask = (uint16_t)(0xffff << shift); |
4776 | mask |= mask << 16; | |
ad69471c PB |
4777 | break; |
4778 | case 2: | |
ca9a32e4 JR |
4779 | if (shift < -31 || shift > 31) { |
4780 | mask = 0; | |
4781 | } else { | |
4782 | if (op == 4) | |
4783 | mask = 0xffffffffu >> -shift; | |
4784 | else | |
4785 | mask = 0xffffffffu << shift; | |
4786 | } | |
ad69471c PB |
4787 | break; |
4788 | default: | |
4789 | abort(); | |
4790 | } | |
dd8fbd78 | 4791 | tmp2 = neon_load_reg(rd, pass); |
ca9a32e4 JR |
4792 | tcg_gen_andi_i32(tmp, tmp, mask); |
4793 | tcg_gen_andi_i32(tmp2, tmp2, ~mask); | |
dd8fbd78 FN |
4794 | tcg_gen_or_i32(tmp, tmp, tmp2); |
4795 | dead_tmp(tmp2); | |
ad69471c | 4796 | } |
dd8fbd78 | 4797 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb PB |
4798 | } |
4799 | } /* for pass */ | |
4800 | } else if (op < 10) { | |
ad69471c | 4801 | /* Shift by immediate and narrow: |
9ee6e8bb | 4802 | VSHRN, VRSHRN, VQSHRN, VQRSHRN. */ |
0b36f4cd CL |
4803 | int input_unsigned = (op == 8) ? !u : u; |
4804 | ||
9ee6e8bb PB |
4805 | shift = shift - (1 << (size + 3)); |
4806 | size++; | |
9ee6e8bb PB |
4807 | switch (size) { |
4808 | case 1: | |
ad69471c | 4809 | imm = (uint16_t)shift; |
9ee6e8bb | 4810 | imm |= imm << 16; |
ad69471c | 4811 | tmp2 = tcg_const_i32(imm); |
a7812ae4 | 4812 | TCGV_UNUSED_I64(tmp64); |
9ee6e8bb PB |
4813 | break; |
4814 | case 2: | |
ad69471c PB |
4815 | imm = (uint32_t)shift; |
4816 | tmp2 = tcg_const_i32(imm); | |
a7812ae4 | 4817 | TCGV_UNUSED_I64(tmp64); |
4cc633c3 | 4818 | break; |
9ee6e8bb | 4819 | case 3: |
a7812ae4 PB |
4820 | tmp64 = tcg_const_i64(shift); |
4821 | TCGV_UNUSED(tmp2); | |
9ee6e8bb PB |
4822 | break; |
4823 | default: | |
4824 | abort(); | |
4825 | } | |
4826 | ||
ad69471c PB |
4827 | for (pass = 0; pass < 2; pass++) { |
4828 | if (size == 3) { | |
4829 | neon_load_reg64(cpu_V0, rm + pass); | |
4830 | if (q) { | |
0b36f4cd CL |
4831 | if (input_unsigned) { |
4832 | gen_helper_neon_rshl_u64(cpu_V0, cpu_V0, | |
4833 | tmp64); | |
4834 | } else { | |
4835 | gen_helper_neon_rshl_s64(cpu_V0, cpu_V0, | |
4836 | tmp64); | |
4837 | } | |
ad69471c | 4838 | } else { |
0b36f4cd CL |
4839 | if (input_unsigned) { |
4840 | gen_helper_neon_shl_u64(cpu_V0, cpu_V0, | |
4841 | tmp64); | |
4842 | } else { | |
4843 | gen_helper_neon_shl_s64(cpu_V0, cpu_V0, | |
4844 | tmp64); | |
4845 | } | |
ad69471c | 4846 | } |
2c0262af | 4847 | } else { |
ad69471c | 4848 | tmp = neon_load_reg(rm + pass, 0); |
0b36f4cd CL |
4849 | gen_neon_shift_narrow(size, tmp, tmp2, q, |
4850 | input_unsigned); | |
36aa55dc | 4851 | tmp3 = neon_load_reg(rm + pass, 1); |
0b36f4cd CL |
4852 | gen_neon_shift_narrow(size, tmp3, tmp2, q, |
4853 | input_unsigned); | |
36aa55dc | 4854 | tcg_gen_concat_i32_i64(cpu_V0, tmp, tmp3); |
ad69471c | 4855 | dead_tmp(tmp); |
36aa55dc | 4856 | dead_tmp(tmp3); |
9ee6e8bb | 4857 | } |
ad69471c | 4858 | tmp = new_tmp(); |
c33171c7 | 4859 | gen_neon_narrow_op(op == 8, u, size - 1, tmp, cpu_V0); |
2301db49 | 4860 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb | 4861 | } /* for pass */ |
b75263d6 JR |
4862 | if (size == 3) { |
4863 | tcg_temp_free_i64(tmp64); | |
2301db49 | 4864 | } else { |
c6067f04 | 4865 | tcg_temp_free_i32(tmp2); |
b75263d6 | 4866 | } |
9ee6e8bb PB |
4867 | } else if (op == 10) { |
4868 | /* VSHLL */ | |
ad69471c | 4869 | if (q || size == 3) |
9ee6e8bb | 4870 | return 1; |
ad69471c PB |
4871 | tmp = neon_load_reg(rm, 0); |
4872 | tmp2 = neon_load_reg(rm, 1); | |
9ee6e8bb | 4873 | for (pass = 0; pass < 2; pass++) { |
ad69471c PB |
4874 | if (pass == 1) |
4875 | tmp = tmp2; | |
4876 | ||
4877 | gen_neon_widen(cpu_V0, tmp, size, u); | |
9ee6e8bb | 4878 | |
9ee6e8bb PB |
4879 | if (shift != 0) { |
4880 | /* The shift is less than the width of the source | |
ad69471c PB |
4881 | type, so we can just shift the whole register. */ |
4882 | tcg_gen_shli_i64(cpu_V0, cpu_V0, shift); | |
acdf01ef CL |
4883 | /* Widen the result of shift: we need to clear |
4884 | * the potential overflow bits resulting from | |
4885 | * left bits of the narrow input appearing as | |
4886 | * right bits of left the neighbour narrow | |
4887 | * input. */ | |
ad69471c PB |
4888 | if (size < 2 || !u) { |
4889 | uint64_t imm64; | |
4890 | if (size == 0) { | |
4891 | imm = (0xffu >> (8 - shift)); | |
4892 | imm |= imm << 16; | |
acdf01ef | 4893 | } else if (size == 1) { |
ad69471c | 4894 | imm = 0xffff >> (16 - shift); |
acdf01ef CL |
4895 | } else { |
4896 | /* size == 2 */ | |
4897 | imm = 0xffffffff >> (32 - shift); | |
4898 | } | |
4899 | if (size < 2) { | |
4900 | imm64 = imm | (((uint64_t)imm) << 32); | |
4901 | } else { | |
4902 | imm64 = imm; | |
9ee6e8bb | 4903 | } |
acdf01ef | 4904 | tcg_gen_andi_i64(cpu_V0, cpu_V0, ~imm64); |
9ee6e8bb PB |
4905 | } |
4906 | } | |
ad69471c | 4907 | neon_store_reg64(cpu_V0, rd + pass); |
9ee6e8bb | 4908 | } |
f73534a5 | 4909 | } else if (op >= 14) { |
9ee6e8bb | 4910 | /* VCVT fixed-point. */ |
f73534a5 PM |
4911 | /* We have already masked out the must-be-1 top bit of imm6, |
4912 | * hence this 32-shift where the ARM ARM has 64-imm6. | |
4913 | */ | |
4914 | shift = 32 - shift; | |
9ee6e8bb | 4915 | for (pass = 0; pass < (q ? 4 : 2); pass++) { |
4373f3ce | 4916 | tcg_gen_ld_f32(cpu_F0s, cpu_env, neon_reg_offset(rm, pass)); |
f73534a5 | 4917 | if (!(op & 1)) { |
9ee6e8bb | 4918 | if (u) |
4373f3ce | 4919 | gen_vfp_ulto(0, shift); |
9ee6e8bb | 4920 | else |
4373f3ce | 4921 | gen_vfp_slto(0, shift); |
9ee6e8bb PB |
4922 | } else { |
4923 | if (u) | |
4373f3ce | 4924 | gen_vfp_toul(0, shift); |
9ee6e8bb | 4925 | else |
4373f3ce | 4926 | gen_vfp_tosl(0, shift); |
2c0262af | 4927 | } |
4373f3ce | 4928 | tcg_gen_st_f32(cpu_F0s, cpu_env, neon_reg_offset(rd, pass)); |
2c0262af FB |
4929 | } |
4930 | } else { | |
9ee6e8bb PB |
4931 | return 1; |
4932 | } | |
4933 | } else { /* (insn & 0x00380080) == 0 */ | |
4934 | int invert; | |
4935 | ||
4936 | op = (insn >> 8) & 0xf; | |
4937 | /* One register and immediate. */ | |
4938 | imm = (u << 7) | ((insn >> 12) & 0x70) | (insn & 0xf); | |
4939 | invert = (insn & (1 << 5)) != 0; | |
4940 | switch (op) { | |
4941 | case 0: case 1: | |
4942 | /* no-op */ | |
4943 | break; | |
4944 | case 2: case 3: | |
4945 | imm <<= 8; | |
4946 | break; | |
4947 | case 4: case 5: | |
4948 | imm <<= 16; | |
4949 | break; | |
4950 | case 6: case 7: | |
4951 | imm <<= 24; | |
4952 | break; | |
4953 | case 8: case 9: | |
4954 | imm |= imm << 16; | |
4955 | break; | |
4956 | case 10: case 11: | |
4957 | imm = (imm << 8) | (imm << 24); | |
4958 | break; | |
4959 | case 12: | |
8e31209e | 4960 | imm = (imm << 8) | 0xff; |
9ee6e8bb PB |
4961 | break; |
4962 | case 13: | |
4963 | imm = (imm << 16) | 0xffff; | |
4964 | break; | |
4965 | case 14: | |
4966 | imm |= (imm << 8) | (imm << 16) | (imm << 24); | |
4967 | if (invert) | |
4968 | imm = ~imm; | |
4969 | break; | |
4970 | case 15: | |
4971 | imm = ((imm & 0x80) << 24) | ((imm & 0x3f) << 19) | |
4972 | | ((imm & 0x40) ? (0x1f << 25) : (1 << 30)); | |
4973 | break; | |
4974 | } | |
4975 | if (invert) | |
4976 | imm = ~imm; | |
4977 | ||
9ee6e8bb PB |
4978 | for (pass = 0; pass < (q ? 4 : 2); pass++) { |
4979 | if (op & 1 && op < 12) { | |
ad69471c | 4980 | tmp = neon_load_reg(rd, pass); |
9ee6e8bb PB |
4981 | if (invert) { |
4982 | /* The immediate value has already been inverted, so | |
4983 | BIC becomes AND. */ | |
ad69471c | 4984 | tcg_gen_andi_i32(tmp, tmp, imm); |
9ee6e8bb | 4985 | } else { |
ad69471c | 4986 | tcg_gen_ori_i32(tmp, tmp, imm); |
9ee6e8bb | 4987 | } |
9ee6e8bb | 4988 | } else { |
ad69471c PB |
4989 | /* VMOV, VMVN. */ |
4990 | tmp = new_tmp(); | |
9ee6e8bb | 4991 | if (op == 14 && invert) { |
ad69471c PB |
4992 | uint32_t val; |
4993 | val = 0; | |
9ee6e8bb PB |
4994 | for (n = 0; n < 4; n++) { |
4995 | if (imm & (1 << (n + (pass & 1) * 4))) | |
ad69471c | 4996 | val |= 0xff << (n * 8); |
9ee6e8bb | 4997 | } |
ad69471c PB |
4998 | tcg_gen_movi_i32(tmp, val); |
4999 | } else { | |
5000 | tcg_gen_movi_i32(tmp, imm); | |
9ee6e8bb | 5001 | } |
9ee6e8bb | 5002 | } |
ad69471c | 5003 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb PB |
5004 | } |
5005 | } | |
e4b3861d | 5006 | } else { /* (insn & 0x00800010 == 0x00800000) */ |
9ee6e8bb PB |
5007 | if (size != 3) { |
5008 | op = (insn >> 8) & 0xf; | |
5009 | if ((insn & (1 << 6)) == 0) { | |
5010 | /* Three registers of different lengths. */ | |
5011 | int src1_wide; | |
5012 | int src2_wide; | |
5013 | int prewiden; | |
5014 | /* prewiden, src1_wide, src2_wide */ | |
5015 | static const int neon_3reg_wide[16][3] = { | |
5016 | {1, 0, 0}, /* VADDL */ | |
5017 | {1, 1, 0}, /* VADDW */ | |
5018 | {1, 0, 0}, /* VSUBL */ | |
5019 | {1, 1, 0}, /* VSUBW */ | |
5020 | {0, 1, 1}, /* VADDHN */ | |
5021 | {0, 0, 0}, /* VABAL */ | |
5022 | {0, 1, 1}, /* VSUBHN */ | |
5023 | {0, 0, 0}, /* VABDL */ | |
5024 | {0, 0, 0}, /* VMLAL */ | |
5025 | {0, 0, 0}, /* VQDMLAL */ | |
5026 | {0, 0, 0}, /* VMLSL */ | |
5027 | {0, 0, 0}, /* VQDMLSL */ | |
5028 | {0, 0, 0}, /* Integer VMULL */ | |
5029 | {0, 0, 0}, /* VQDMULL */ | |
5030 | {0, 0, 0} /* Polynomial VMULL */ | |
5031 | }; | |
5032 | ||
5033 | prewiden = neon_3reg_wide[op][0]; | |
5034 | src1_wide = neon_3reg_wide[op][1]; | |
5035 | src2_wide = neon_3reg_wide[op][2]; | |
5036 | ||
ad69471c PB |
5037 | if (size == 0 && (op == 9 || op == 11 || op == 13)) |
5038 | return 1; | |
5039 | ||
9ee6e8bb PB |
5040 | /* Avoid overlapping operands. Wide source operands are |
5041 | always aligned so will never overlap with wide | |
5042 | destinations in problematic ways. */ | |
8f8e3aa4 | 5043 | if (rd == rm && !src2_wide) { |
dd8fbd78 FN |
5044 | tmp = neon_load_reg(rm, 1); |
5045 | neon_store_scratch(2, tmp); | |
8f8e3aa4 | 5046 | } else if (rd == rn && !src1_wide) { |
dd8fbd78 FN |
5047 | tmp = neon_load_reg(rn, 1); |
5048 | neon_store_scratch(2, tmp); | |
9ee6e8bb | 5049 | } |
a50f5b91 | 5050 | TCGV_UNUSED(tmp3); |
9ee6e8bb | 5051 | for (pass = 0; pass < 2; pass++) { |
ad69471c PB |
5052 | if (src1_wide) { |
5053 | neon_load_reg64(cpu_V0, rn + pass); | |
a50f5b91 | 5054 | TCGV_UNUSED(tmp); |
9ee6e8bb | 5055 | } else { |
ad69471c | 5056 | if (pass == 1 && rd == rn) { |
dd8fbd78 | 5057 | tmp = neon_load_scratch(2); |
9ee6e8bb | 5058 | } else { |
ad69471c PB |
5059 | tmp = neon_load_reg(rn, pass); |
5060 | } | |
5061 | if (prewiden) { | |
5062 | gen_neon_widen(cpu_V0, tmp, size, u); | |
9ee6e8bb PB |
5063 | } |
5064 | } | |
ad69471c PB |
5065 | if (src2_wide) { |
5066 | neon_load_reg64(cpu_V1, rm + pass); | |
a50f5b91 | 5067 | TCGV_UNUSED(tmp2); |
9ee6e8bb | 5068 | } else { |
ad69471c | 5069 | if (pass == 1 && rd == rm) { |
dd8fbd78 | 5070 | tmp2 = neon_load_scratch(2); |
9ee6e8bb | 5071 | } else { |
ad69471c PB |
5072 | tmp2 = neon_load_reg(rm, pass); |
5073 | } | |
5074 | if (prewiden) { | |
5075 | gen_neon_widen(cpu_V1, tmp2, size, u); | |
9ee6e8bb | 5076 | } |
9ee6e8bb PB |
5077 | } |
5078 | switch (op) { | |
5079 | case 0: case 1: case 4: /* VADDL, VADDW, VADDHN, VRADDHN */ | |
ad69471c | 5080 | gen_neon_addl(size); |
9ee6e8bb | 5081 | break; |
79b0e534 | 5082 | case 2: case 3: case 6: /* VSUBL, VSUBW, VSUBHN, VRSUBHN */ |
ad69471c | 5083 | gen_neon_subl(size); |
9ee6e8bb PB |
5084 | break; |
5085 | case 5: case 7: /* VABAL, VABDL */ | |
5086 | switch ((size << 1) | u) { | |
ad69471c PB |
5087 | case 0: |
5088 | gen_helper_neon_abdl_s16(cpu_V0, tmp, tmp2); | |
5089 | break; | |
5090 | case 1: | |
5091 | gen_helper_neon_abdl_u16(cpu_V0, tmp, tmp2); | |
5092 | break; | |
5093 | case 2: | |
5094 | gen_helper_neon_abdl_s32(cpu_V0, tmp, tmp2); | |
5095 | break; | |
5096 | case 3: | |
5097 | gen_helper_neon_abdl_u32(cpu_V0, tmp, tmp2); | |
5098 | break; | |
5099 | case 4: | |
5100 | gen_helper_neon_abdl_s64(cpu_V0, tmp, tmp2); | |
5101 | break; | |
5102 | case 5: | |
5103 | gen_helper_neon_abdl_u64(cpu_V0, tmp, tmp2); | |
5104 | break; | |
9ee6e8bb PB |
5105 | default: abort(); |
5106 | } | |
ad69471c PB |
5107 | dead_tmp(tmp2); |
5108 | dead_tmp(tmp); | |
9ee6e8bb PB |
5109 | break; |
5110 | case 8: case 9: case 10: case 11: case 12: case 13: | |
5111 | /* VMLAL, VQDMLAL, VMLSL, VQDMLSL, VMULL, VQDMULL */ | |
ad69471c | 5112 | gen_neon_mull(cpu_V0, tmp, tmp2, size, u); |
9ee6e8bb PB |
5113 | break; |
5114 | case 14: /* Polynomial VMULL */ | |
e5ca24cb PM |
5115 | gen_helper_neon_mull_p8(cpu_V0, tmp, tmp2); |
5116 | dead_tmp(tmp2); | |
5117 | dead_tmp(tmp); | |
5118 | break; | |
9ee6e8bb PB |
5119 | default: /* 15 is RESERVED. */ |
5120 | return 1; | |
5121 | } | |
ebcd88ce PM |
5122 | if (op == 13) { |
5123 | /* VQDMULL */ | |
5124 | gen_neon_addl_saturate(cpu_V0, cpu_V0, size); | |
5125 | neon_store_reg64(cpu_V0, rd + pass); | |
5126 | } else if (op == 5 || (op >= 8 && op <= 11)) { | |
9ee6e8bb | 5127 | /* Accumulate. */ |
ebcd88ce | 5128 | neon_load_reg64(cpu_V1, rd + pass); |
9ee6e8bb | 5129 | switch (op) { |
4dc064e6 PM |
5130 | case 10: /* VMLSL */ |
5131 | gen_neon_negl(cpu_V0, size); | |
5132 | /* Fall through */ | |
5133 | case 5: case 8: /* VABAL, VMLAL */ | |
ad69471c | 5134 | gen_neon_addl(size); |
9ee6e8bb PB |
5135 | break; |
5136 | case 9: case 11: /* VQDMLAL, VQDMLSL */ | |
ad69471c | 5137 | gen_neon_addl_saturate(cpu_V0, cpu_V0, size); |
4dc064e6 PM |
5138 | if (op == 11) { |
5139 | gen_neon_negl(cpu_V0, size); | |
5140 | } | |
ad69471c PB |
5141 | gen_neon_addl_saturate(cpu_V0, cpu_V1, size); |
5142 | break; | |
9ee6e8bb PB |
5143 | default: |
5144 | abort(); | |
5145 | } | |
ad69471c | 5146 | neon_store_reg64(cpu_V0, rd + pass); |
9ee6e8bb PB |
5147 | } else if (op == 4 || op == 6) { |
5148 | /* Narrowing operation. */ | |
ad69471c | 5149 | tmp = new_tmp(); |
79b0e534 | 5150 | if (!u) { |
9ee6e8bb | 5151 | switch (size) { |
ad69471c PB |
5152 | case 0: |
5153 | gen_helper_neon_narrow_high_u8(tmp, cpu_V0); | |
5154 | break; | |
5155 | case 1: | |
5156 | gen_helper_neon_narrow_high_u16(tmp, cpu_V0); | |
5157 | break; | |
5158 | case 2: | |
5159 | tcg_gen_shri_i64(cpu_V0, cpu_V0, 32); | |
5160 | tcg_gen_trunc_i64_i32(tmp, cpu_V0); | |
5161 | break; | |
9ee6e8bb PB |
5162 | default: abort(); |
5163 | } | |
5164 | } else { | |
5165 | switch (size) { | |
ad69471c PB |
5166 | case 0: |
5167 | gen_helper_neon_narrow_round_high_u8(tmp, cpu_V0); | |
5168 | break; | |
5169 | case 1: | |
5170 | gen_helper_neon_narrow_round_high_u16(tmp, cpu_V0); | |
5171 | break; | |
5172 | case 2: | |
5173 | tcg_gen_addi_i64(cpu_V0, cpu_V0, 1u << 31); | |
5174 | tcg_gen_shri_i64(cpu_V0, cpu_V0, 32); | |
5175 | tcg_gen_trunc_i64_i32(tmp, cpu_V0); | |
5176 | break; | |
9ee6e8bb PB |
5177 | default: abort(); |
5178 | } | |
5179 | } | |
ad69471c PB |
5180 | if (pass == 0) { |
5181 | tmp3 = tmp; | |
5182 | } else { | |
5183 | neon_store_reg(rd, 0, tmp3); | |
5184 | neon_store_reg(rd, 1, tmp); | |
5185 | } | |
9ee6e8bb PB |
5186 | } else { |
5187 | /* Write back the result. */ | |
ad69471c | 5188 | neon_store_reg64(cpu_V0, rd + pass); |
9ee6e8bb PB |
5189 | } |
5190 | } | |
5191 | } else { | |
5192 | /* Two registers and a scalar. */ | |
5193 | switch (op) { | |
5194 | case 0: /* Integer VMLA scalar */ | |
5195 | case 1: /* Float VMLA scalar */ | |
5196 | case 4: /* Integer VMLS scalar */ | |
5197 | case 5: /* Floating point VMLS scalar */ | |
5198 | case 8: /* Integer VMUL scalar */ | |
5199 | case 9: /* Floating point VMUL scalar */ | |
5200 | case 12: /* VQDMULH scalar */ | |
5201 | case 13: /* VQRDMULH scalar */ | |
dd8fbd78 FN |
5202 | tmp = neon_get_scalar(size, rm); |
5203 | neon_store_scratch(0, tmp); | |
9ee6e8bb | 5204 | for (pass = 0; pass < (u ? 4 : 2); pass++) { |
dd8fbd78 FN |
5205 | tmp = neon_load_scratch(0); |
5206 | tmp2 = neon_load_reg(rn, pass); | |
9ee6e8bb PB |
5207 | if (op == 12) { |
5208 | if (size == 1) { | |
dd8fbd78 | 5209 | gen_helper_neon_qdmulh_s16(tmp, cpu_env, tmp, tmp2); |
9ee6e8bb | 5210 | } else { |
dd8fbd78 | 5211 | gen_helper_neon_qdmulh_s32(tmp, cpu_env, tmp, tmp2); |
9ee6e8bb PB |
5212 | } |
5213 | } else if (op == 13) { | |
5214 | if (size == 1) { | |
dd8fbd78 | 5215 | gen_helper_neon_qrdmulh_s16(tmp, cpu_env, tmp, tmp2); |
9ee6e8bb | 5216 | } else { |
dd8fbd78 | 5217 | gen_helper_neon_qrdmulh_s32(tmp, cpu_env, tmp, tmp2); |
9ee6e8bb PB |
5218 | } |
5219 | } else if (op & 1) { | |
dd8fbd78 | 5220 | gen_helper_neon_mul_f32(tmp, tmp, tmp2); |
9ee6e8bb PB |
5221 | } else { |
5222 | switch (size) { | |
dd8fbd78 FN |
5223 | case 0: gen_helper_neon_mul_u8(tmp, tmp, tmp2); break; |
5224 | case 1: gen_helper_neon_mul_u16(tmp, tmp, tmp2); break; | |
5225 | case 2: tcg_gen_mul_i32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
5226 | default: return 1; |
5227 | } | |
5228 | } | |
dd8fbd78 | 5229 | dead_tmp(tmp2); |
9ee6e8bb PB |
5230 | if (op < 8) { |
5231 | /* Accumulate. */ | |
dd8fbd78 | 5232 | tmp2 = neon_load_reg(rd, pass); |
9ee6e8bb PB |
5233 | switch (op) { |
5234 | case 0: | |
dd8fbd78 | 5235 | gen_neon_add(size, tmp, tmp2); |
9ee6e8bb PB |
5236 | break; |
5237 | case 1: | |
dd8fbd78 | 5238 | gen_helper_neon_add_f32(tmp, tmp, tmp2); |
9ee6e8bb PB |
5239 | break; |
5240 | case 4: | |
dd8fbd78 | 5241 | gen_neon_rsb(size, tmp, tmp2); |
9ee6e8bb PB |
5242 | break; |
5243 | case 5: | |
dd8fbd78 | 5244 | gen_helper_neon_sub_f32(tmp, tmp2, tmp); |
9ee6e8bb PB |
5245 | break; |
5246 | default: | |
5247 | abort(); | |
5248 | } | |
dd8fbd78 | 5249 | dead_tmp(tmp2); |
9ee6e8bb | 5250 | } |
dd8fbd78 | 5251 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb PB |
5252 | } |
5253 | break; | |
5254 | case 2: /* VMLAL sclar */ | |
5255 | case 3: /* VQDMLAL scalar */ | |
5256 | case 6: /* VMLSL scalar */ | |
5257 | case 7: /* VQDMLSL scalar */ | |
5258 | case 10: /* VMULL scalar */ | |
5259 | case 11: /* VQDMULL scalar */ | |
ad69471c PB |
5260 | if (size == 0 && (op == 3 || op == 7 || op == 11)) |
5261 | return 1; | |
5262 | ||
dd8fbd78 | 5263 | tmp2 = neon_get_scalar(size, rm); |
c6067f04 CL |
5264 | /* We need a copy of tmp2 because gen_neon_mull |
5265 | * deletes it during pass 0. */ | |
5266 | tmp4 = new_tmp(); | |
5267 | tcg_gen_mov_i32(tmp4, tmp2); | |
dd8fbd78 | 5268 | tmp3 = neon_load_reg(rn, 1); |
ad69471c | 5269 | |
9ee6e8bb | 5270 | for (pass = 0; pass < 2; pass++) { |
ad69471c PB |
5271 | if (pass == 0) { |
5272 | tmp = neon_load_reg(rn, 0); | |
9ee6e8bb | 5273 | } else { |
dd8fbd78 | 5274 | tmp = tmp3; |
c6067f04 | 5275 | tmp2 = tmp4; |
9ee6e8bb | 5276 | } |
ad69471c | 5277 | gen_neon_mull(cpu_V0, tmp, tmp2, size, u); |
ad69471c PB |
5278 | if (op != 11) { |
5279 | neon_load_reg64(cpu_V1, rd + pass); | |
9ee6e8bb | 5280 | } |
9ee6e8bb | 5281 | switch (op) { |
4dc064e6 PM |
5282 | case 6: |
5283 | gen_neon_negl(cpu_V0, size); | |
5284 | /* Fall through */ | |
5285 | case 2: | |
ad69471c | 5286 | gen_neon_addl(size); |
9ee6e8bb PB |
5287 | break; |
5288 | case 3: case 7: | |
ad69471c | 5289 | gen_neon_addl_saturate(cpu_V0, cpu_V0, size); |
4dc064e6 PM |
5290 | if (op == 7) { |
5291 | gen_neon_negl(cpu_V0, size); | |
5292 | } | |
ad69471c | 5293 | gen_neon_addl_saturate(cpu_V0, cpu_V1, size); |
9ee6e8bb PB |
5294 | break; |
5295 | case 10: | |
5296 | /* no-op */ | |
5297 | break; | |
5298 | case 11: | |
ad69471c | 5299 | gen_neon_addl_saturate(cpu_V0, cpu_V0, size); |
9ee6e8bb PB |
5300 | break; |
5301 | default: | |
5302 | abort(); | |
5303 | } | |
ad69471c | 5304 | neon_store_reg64(cpu_V0, rd + pass); |
9ee6e8bb | 5305 | } |
dd8fbd78 | 5306 | |
dd8fbd78 | 5307 | |
9ee6e8bb PB |
5308 | break; |
5309 | default: /* 14 and 15 are RESERVED */ | |
5310 | return 1; | |
5311 | } | |
5312 | } | |
5313 | } else { /* size == 3 */ | |
5314 | if (!u) { | |
5315 | /* Extract. */ | |
9ee6e8bb | 5316 | imm = (insn >> 8) & 0xf; |
ad69471c PB |
5317 | |
5318 | if (imm > 7 && !q) | |
5319 | return 1; | |
5320 | ||
5321 | if (imm == 0) { | |
5322 | neon_load_reg64(cpu_V0, rn); | |
5323 | if (q) { | |
5324 | neon_load_reg64(cpu_V1, rn + 1); | |
9ee6e8bb | 5325 | } |
ad69471c PB |
5326 | } else if (imm == 8) { |
5327 | neon_load_reg64(cpu_V0, rn + 1); | |
5328 | if (q) { | |
5329 | neon_load_reg64(cpu_V1, rm); | |
9ee6e8bb | 5330 | } |
ad69471c | 5331 | } else if (q) { |
a7812ae4 | 5332 | tmp64 = tcg_temp_new_i64(); |
ad69471c PB |
5333 | if (imm < 8) { |
5334 | neon_load_reg64(cpu_V0, rn); | |
a7812ae4 | 5335 | neon_load_reg64(tmp64, rn + 1); |
ad69471c PB |
5336 | } else { |
5337 | neon_load_reg64(cpu_V0, rn + 1); | |
a7812ae4 | 5338 | neon_load_reg64(tmp64, rm); |
ad69471c PB |
5339 | } |
5340 | tcg_gen_shri_i64(cpu_V0, cpu_V0, (imm & 7) * 8); | |
a7812ae4 | 5341 | tcg_gen_shli_i64(cpu_V1, tmp64, 64 - ((imm & 7) * 8)); |
ad69471c PB |
5342 | tcg_gen_or_i64(cpu_V0, cpu_V0, cpu_V1); |
5343 | if (imm < 8) { | |
5344 | neon_load_reg64(cpu_V1, rm); | |
9ee6e8bb | 5345 | } else { |
ad69471c PB |
5346 | neon_load_reg64(cpu_V1, rm + 1); |
5347 | imm -= 8; | |
9ee6e8bb | 5348 | } |
ad69471c | 5349 | tcg_gen_shli_i64(cpu_V1, cpu_V1, 64 - (imm * 8)); |
a7812ae4 PB |
5350 | tcg_gen_shri_i64(tmp64, tmp64, imm * 8); |
5351 | tcg_gen_or_i64(cpu_V1, cpu_V1, tmp64); | |
b75263d6 | 5352 | tcg_temp_free_i64(tmp64); |
ad69471c | 5353 | } else { |
a7812ae4 | 5354 | /* BUGFIX */ |
ad69471c | 5355 | neon_load_reg64(cpu_V0, rn); |
a7812ae4 | 5356 | tcg_gen_shri_i64(cpu_V0, cpu_V0, imm * 8); |
ad69471c | 5357 | neon_load_reg64(cpu_V1, rm); |
a7812ae4 | 5358 | tcg_gen_shli_i64(cpu_V1, cpu_V1, 64 - (imm * 8)); |
ad69471c PB |
5359 | tcg_gen_or_i64(cpu_V0, cpu_V0, cpu_V1); |
5360 | } | |
5361 | neon_store_reg64(cpu_V0, rd); | |
5362 | if (q) { | |
5363 | neon_store_reg64(cpu_V1, rd + 1); | |
9ee6e8bb PB |
5364 | } |
5365 | } else if ((insn & (1 << 11)) == 0) { | |
5366 | /* Two register misc. */ | |
5367 | op = ((insn >> 12) & 0x30) | ((insn >> 7) & 0xf); | |
5368 | size = (insn >> 18) & 3; | |
5369 | switch (op) { | |
5370 | case 0: /* VREV64 */ | |
5371 | if (size == 3) | |
5372 | return 1; | |
5373 | for (pass = 0; pass < (q ? 2 : 1); pass++) { | |
dd8fbd78 FN |
5374 | tmp = neon_load_reg(rm, pass * 2); |
5375 | tmp2 = neon_load_reg(rm, pass * 2 + 1); | |
9ee6e8bb | 5376 | switch (size) { |
dd8fbd78 FN |
5377 | case 0: tcg_gen_bswap32_i32(tmp, tmp); break; |
5378 | case 1: gen_swap_half(tmp); break; | |
9ee6e8bb PB |
5379 | case 2: /* no-op */ break; |
5380 | default: abort(); | |
5381 | } | |
dd8fbd78 | 5382 | neon_store_reg(rd, pass * 2 + 1, tmp); |
9ee6e8bb | 5383 | if (size == 2) { |
dd8fbd78 | 5384 | neon_store_reg(rd, pass * 2, tmp2); |
9ee6e8bb | 5385 | } else { |
9ee6e8bb | 5386 | switch (size) { |
dd8fbd78 FN |
5387 | case 0: tcg_gen_bswap32_i32(tmp2, tmp2); break; |
5388 | case 1: gen_swap_half(tmp2); break; | |
9ee6e8bb PB |
5389 | default: abort(); |
5390 | } | |
dd8fbd78 | 5391 | neon_store_reg(rd, pass * 2, tmp2); |
9ee6e8bb PB |
5392 | } |
5393 | } | |
5394 | break; | |
5395 | case 4: case 5: /* VPADDL */ | |
5396 | case 12: case 13: /* VPADAL */ | |
9ee6e8bb PB |
5397 | if (size == 3) |
5398 | return 1; | |
ad69471c PB |
5399 | for (pass = 0; pass < q + 1; pass++) { |
5400 | tmp = neon_load_reg(rm, pass * 2); | |
5401 | gen_neon_widen(cpu_V0, tmp, size, op & 1); | |
5402 | tmp = neon_load_reg(rm, pass * 2 + 1); | |
5403 | gen_neon_widen(cpu_V1, tmp, size, op & 1); | |
5404 | switch (size) { | |
5405 | case 0: gen_helper_neon_paddl_u16(CPU_V001); break; | |
5406 | case 1: gen_helper_neon_paddl_u32(CPU_V001); break; | |
5407 | case 2: tcg_gen_add_i64(CPU_V001); break; | |
5408 | default: abort(); | |
5409 | } | |
9ee6e8bb PB |
5410 | if (op >= 12) { |
5411 | /* Accumulate. */ | |
ad69471c PB |
5412 | neon_load_reg64(cpu_V1, rd + pass); |
5413 | gen_neon_addl(size); | |
9ee6e8bb | 5414 | } |
ad69471c | 5415 | neon_store_reg64(cpu_V0, rd + pass); |
9ee6e8bb PB |
5416 | } |
5417 | break; | |
5418 | case 33: /* VTRN */ | |
5419 | if (size == 2) { | |
5420 | for (n = 0; n < (q ? 4 : 2); n += 2) { | |
dd8fbd78 FN |
5421 | tmp = neon_load_reg(rm, n); |
5422 | tmp2 = neon_load_reg(rd, n + 1); | |
5423 | neon_store_reg(rm, n, tmp2); | |
5424 | neon_store_reg(rd, n + 1, tmp); | |
9ee6e8bb PB |
5425 | } |
5426 | } else { | |
5427 | goto elementwise; | |
5428 | } | |
5429 | break; | |
5430 | case 34: /* VUZP */ | |
02acedf9 | 5431 | if (gen_neon_unzip(rd, rm, size, q)) { |
9ee6e8bb | 5432 | return 1; |
9ee6e8bb PB |
5433 | } |
5434 | break; | |
5435 | case 35: /* VZIP */ | |
d68a6f3a | 5436 | if (gen_neon_zip(rd, rm, size, q)) { |
9ee6e8bb | 5437 | return 1; |
9ee6e8bb PB |
5438 | } |
5439 | break; | |
5440 | case 36: case 37: /* VMOVN, VQMOVUN, VQMOVN */ | |
ad69471c PB |
5441 | if (size == 3) |
5442 | return 1; | |
a50f5b91 | 5443 | TCGV_UNUSED(tmp2); |
9ee6e8bb | 5444 | for (pass = 0; pass < 2; pass++) { |
ad69471c PB |
5445 | neon_load_reg64(cpu_V0, rm + pass); |
5446 | tmp = new_tmp(); | |
c33171c7 | 5447 | gen_neon_narrow_op(op == 36, q, size, tmp, cpu_V0); |
ad69471c PB |
5448 | if (pass == 0) { |
5449 | tmp2 = tmp; | |
5450 | } else { | |
5451 | neon_store_reg(rd, 0, tmp2); | |
5452 | neon_store_reg(rd, 1, tmp); | |
9ee6e8bb | 5453 | } |
9ee6e8bb PB |
5454 | } |
5455 | break; | |
5456 | case 38: /* VSHLL */ | |
ad69471c | 5457 | if (q || size == 3) |
9ee6e8bb | 5458 | return 1; |
ad69471c PB |
5459 | tmp = neon_load_reg(rm, 0); |
5460 | tmp2 = neon_load_reg(rm, 1); | |
9ee6e8bb | 5461 | for (pass = 0; pass < 2; pass++) { |
ad69471c PB |
5462 | if (pass == 1) |
5463 | tmp = tmp2; | |
5464 | gen_neon_widen(cpu_V0, tmp, size, 1); | |
30d11a2a | 5465 | tcg_gen_shli_i64(cpu_V0, cpu_V0, 8 << size); |
ad69471c | 5466 | neon_store_reg64(cpu_V0, rd + pass); |
9ee6e8bb PB |
5467 | } |
5468 | break; | |
60011498 PB |
5469 | case 44: /* VCVT.F16.F32 */ |
5470 | if (!arm_feature(env, ARM_FEATURE_VFP_FP16)) | |
5471 | return 1; | |
5472 | tmp = new_tmp(); | |
5473 | tmp2 = new_tmp(); | |
5474 | tcg_gen_ld_f32(cpu_F0s, cpu_env, neon_reg_offset(rm, 0)); | |
2d981da7 | 5475 | gen_helper_neon_fcvt_f32_to_f16(tmp, cpu_F0s, cpu_env); |
60011498 | 5476 | tcg_gen_ld_f32(cpu_F0s, cpu_env, neon_reg_offset(rm, 1)); |
2d981da7 | 5477 | gen_helper_neon_fcvt_f32_to_f16(tmp2, cpu_F0s, cpu_env); |
60011498 PB |
5478 | tcg_gen_shli_i32(tmp2, tmp2, 16); |
5479 | tcg_gen_or_i32(tmp2, tmp2, tmp); | |
5480 | tcg_gen_ld_f32(cpu_F0s, cpu_env, neon_reg_offset(rm, 2)); | |
2d981da7 | 5481 | gen_helper_neon_fcvt_f32_to_f16(tmp, cpu_F0s, cpu_env); |
60011498 PB |
5482 | tcg_gen_ld_f32(cpu_F0s, cpu_env, neon_reg_offset(rm, 3)); |
5483 | neon_store_reg(rd, 0, tmp2); | |
5484 | tmp2 = new_tmp(); | |
2d981da7 | 5485 | gen_helper_neon_fcvt_f32_to_f16(tmp2, cpu_F0s, cpu_env); |
60011498 PB |
5486 | tcg_gen_shli_i32(tmp2, tmp2, 16); |
5487 | tcg_gen_or_i32(tmp2, tmp2, tmp); | |
5488 | neon_store_reg(rd, 1, tmp2); | |
5489 | dead_tmp(tmp); | |
5490 | break; | |
5491 | case 46: /* VCVT.F32.F16 */ | |
5492 | if (!arm_feature(env, ARM_FEATURE_VFP_FP16)) | |
5493 | return 1; | |
5494 | tmp3 = new_tmp(); | |
5495 | tmp = neon_load_reg(rm, 0); | |
5496 | tmp2 = neon_load_reg(rm, 1); | |
5497 | tcg_gen_ext16u_i32(tmp3, tmp); | |
2d981da7 | 5498 | gen_helper_neon_fcvt_f16_to_f32(cpu_F0s, tmp3, cpu_env); |
60011498 PB |
5499 | tcg_gen_st_f32(cpu_F0s, cpu_env, neon_reg_offset(rd, 0)); |
5500 | tcg_gen_shri_i32(tmp3, tmp, 16); | |
2d981da7 | 5501 | gen_helper_neon_fcvt_f16_to_f32(cpu_F0s, tmp3, cpu_env); |
60011498 PB |
5502 | tcg_gen_st_f32(cpu_F0s, cpu_env, neon_reg_offset(rd, 1)); |
5503 | dead_tmp(tmp); | |
5504 | tcg_gen_ext16u_i32(tmp3, tmp2); | |
2d981da7 | 5505 | gen_helper_neon_fcvt_f16_to_f32(cpu_F0s, tmp3, cpu_env); |
60011498 PB |
5506 | tcg_gen_st_f32(cpu_F0s, cpu_env, neon_reg_offset(rd, 2)); |
5507 | tcg_gen_shri_i32(tmp3, tmp2, 16); | |
2d981da7 | 5508 | gen_helper_neon_fcvt_f16_to_f32(cpu_F0s, tmp3, cpu_env); |
60011498 PB |
5509 | tcg_gen_st_f32(cpu_F0s, cpu_env, neon_reg_offset(rd, 3)); |
5510 | dead_tmp(tmp2); | |
5511 | dead_tmp(tmp3); | |
5512 | break; | |
9ee6e8bb PB |
5513 | default: |
5514 | elementwise: | |
5515 | for (pass = 0; pass < (q ? 4 : 2); pass++) { | |
5516 | if (op == 30 || op == 31 || op >= 58) { | |
4373f3ce PB |
5517 | tcg_gen_ld_f32(cpu_F0s, cpu_env, |
5518 | neon_reg_offset(rm, pass)); | |
dd8fbd78 | 5519 | TCGV_UNUSED(tmp); |
9ee6e8bb | 5520 | } else { |
dd8fbd78 | 5521 | tmp = neon_load_reg(rm, pass); |
9ee6e8bb PB |
5522 | } |
5523 | switch (op) { | |
5524 | case 1: /* VREV32 */ | |
5525 | switch (size) { | |
dd8fbd78 FN |
5526 | case 0: tcg_gen_bswap32_i32(tmp, tmp); break; |
5527 | case 1: gen_swap_half(tmp); break; | |
9ee6e8bb PB |
5528 | default: return 1; |
5529 | } | |
5530 | break; | |
5531 | case 2: /* VREV16 */ | |
5532 | if (size != 0) | |
5533 | return 1; | |
dd8fbd78 | 5534 | gen_rev16(tmp); |
9ee6e8bb | 5535 | break; |
9ee6e8bb PB |
5536 | case 8: /* CLS */ |
5537 | switch (size) { | |
dd8fbd78 FN |
5538 | case 0: gen_helper_neon_cls_s8(tmp, tmp); break; |
5539 | case 1: gen_helper_neon_cls_s16(tmp, tmp); break; | |
5540 | case 2: gen_helper_neon_cls_s32(tmp, tmp); break; | |
9ee6e8bb PB |
5541 | default: return 1; |
5542 | } | |
5543 | break; | |
5544 | case 9: /* CLZ */ | |
5545 | switch (size) { | |
dd8fbd78 FN |
5546 | case 0: gen_helper_neon_clz_u8(tmp, tmp); break; |
5547 | case 1: gen_helper_neon_clz_u16(tmp, tmp); break; | |
5548 | case 2: gen_helper_clz(tmp, tmp); break; | |
9ee6e8bb PB |
5549 | default: return 1; |
5550 | } | |
5551 | break; | |
5552 | case 10: /* CNT */ | |
5553 | if (size != 0) | |
5554 | return 1; | |
dd8fbd78 | 5555 | gen_helper_neon_cnt_u8(tmp, tmp); |
9ee6e8bb PB |
5556 | break; |
5557 | case 11: /* VNOT */ | |
5558 | if (size != 0) | |
5559 | return 1; | |
dd8fbd78 | 5560 | tcg_gen_not_i32(tmp, tmp); |
9ee6e8bb PB |
5561 | break; |
5562 | case 14: /* VQABS */ | |
5563 | switch (size) { | |
dd8fbd78 FN |
5564 | case 0: gen_helper_neon_qabs_s8(tmp, cpu_env, tmp); break; |
5565 | case 1: gen_helper_neon_qabs_s16(tmp, cpu_env, tmp); break; | |
5566 | case 2: gen_helper_neon_qabs_s32(tmp, cpu_env, tmp); break; | |
9ee6e8bb PB |
5567 | default: return 1; |
5568 | } | |
5569 | break; | |
5570 | case 15: /* VQNEG */ | |
5571 | switch (size) { | |
dd8fbd78 FN |
5572 | case 0: gen_helper_neon_qneg_s8(tmp, cpu_env, tmp); break; |
5573 | case 1: gen_helper_neon_qneg_s16(tmp, cpu_env, tmp); break; | |
5574 | case 2: gen_helper_neon_qneg_s32(tmp, cpu_env, tmp); break; | |
9ee6e8bb PB |
5575 | default: return 1; |
5576 | } | |
5577 | break; | |
5578 | case 16: case 19: /* VCGT #0, VCLE #0 */ | |
dd8fbd78 | 5579 | tmp2 = tcg_const_i32(0); |
9ee6e8bb | 5580 | switch(size) { |
dd8fbd78 FN |
5581 | case 0: gen_helper_neon_cgt_s8(tmp, tmp, tmp2); break; |
5582 | case 1: gen_helper_neon_cgt_s16(tmp, tmp, tmp2); break; | |
5583 | case 2: gen_helper_neon_cgt_s32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
5584 | default: return 1; |
5585 | } | |
dd8fbd78 | 5586 | tcg_temp_free(tmp2); |
9ee6e8bb | 5587 | if (op == 19) |
dd8fbd78 | 5588 | tcg_gen_not_i32(tmp, tmp); |
9ee6e8bb PB |
5589 | break; |
5590 | case 17: case 20: /* VCGE #0, VCLT #0 */ | |
dd8fbd78 | 5591 | tmp2 = tcg_const_i32(0); |
9ee6e8bb | 5592 | switch(size) { |
dd8fbd78 FN |
5593 | case 0: gen_helper_neon_cge_s8(tmp, tmp, tmp2); break; |
5594 | case 1: gen_helper_neon_cge_s16(tmp, tmp, tmp2); break; | |
5595 | case 2: gen_helper_neon_cge_s32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
5596 | default: return 1; |
5597 | } | |
dd8fbd78 | 5598 | tcg_temp_free(tmp2); |
9ee6e8bb | 5599 | if (op == 20) |
dd8fbd78 | 5600 | tcg_gen_not_i32(tmp, tmp); |
9ee6e8bb PB |
5601 | break; |
5602 | case 18: /* VCEQ #0 */ | |
dd8fbd78 | 5603 | tmp2 = tcg_const_i32(0); |
9ee6e8bb | 5604 | switch(size) { |
dd8fbd78 FN |
5605 | case 0: gen_helper_neon_ceq_u8(tmp, tmp, tmp2); break; |
5606 | case 1: gen_helper_neon_ceq_u16(tmp, tmp, tmp2); break; | |
5607 | case 2: gen_helper_neon_ceq_u32(tmp, tmp, tmp2); break; | |
9ee6e8bb PB |
5608 | default: return 1; |
5609 | } | |
dd8fbd78 | 5610 | tcg_temp_free(tmp2); |
9ee6e8bb PB |
5611 | break; |
5612 | case 22: /* VABS */ | |
5613 | switch(size) { | |
dd8fbd78 FN |
5614 | case 0: gen_helper_neon_abs_s8(tmp, tmp); break; |
5615 | case 1: gen_helper_neon_abs_s16(tmp, tmp); break; | |
5616 | case 2: tcg_gen_abs_i32(tmp, tmp); break; | |
9ee6e8bb PB |
5617 | default: return 1; |
5618 | } | |
5619 | break; | |
5620 | case 23: /* VNEG */ | |
ad69471c PB |
5621 | if (size == 3) |
5622 | return 1; | |
dd8fbd78 FN |
5623 | tmp2 = tcg_const_i32(0); |
5624 | gen_neon_rsb(size, tmp, tmp2); | |
5625 | tcg_temp_free(tmp2); | |
9ee6e8bb PB |
5626 | break; |
5627 | case 24: case 27: /* Float VCGT #0, Float VCLE #0 */ | |
dd8fbd78 FN |
5628 | tmp2 = tcg_const_i32(0); |
5629 | gen_helper_neon_cgt_f32(tmp, tmp, tmp2); | |
5630 | tcg_temp_free(tmp2); | |
9ee6e8bb | 5631 | if (op == 27) |
dd8fbd78 | 5632 | tcg_gen_not_i32(tmp, tmp); |
9ee6e8bb PB |
5633 | break; |
5634 | case 25: case 28: /* Float VCGE #0, Float VCLT #0 */ | |
dd8fbd78 FN |
5635 | tmp2 = tcg_const_i32(0); |
5636 | gen_helper_neon_cge_f32(tmp, tmp, tmp2); | |
5637 | tcg_temp_free(tmp2); | |
9ee6e8bb | 5638 | if (op == 28) |
dd8fbd78 | 5639 | tcg_gen_not_i32(tmp, tmp); |
9ee6e8bb PB |
5640 | break; |
5641 | case 26: /* Float VCEQ #0 */ | |
dd8fbd78 FN |
5642 | tmp2 = tcg_const_i32(0); |
5643 | gen_helper_neon_ceq_f32(tmp, tmp, tmp2); | |
5644 | tcg_temp_free(tmp2); | |
9ee6e8bb PB |
5645 | break; |
5646 | case 30: /* Float VABS */ | |
4373f3ce | 5647 | gen_vfp_abs(0); |
9ee6e8bb PB |
5648 | break; |
5649 | case 31: /* Float VNEG */ | |
4373f3ce | 5650 | gen_vfp_neg(0); |
9ee6e8bb PB |
5651 | break; |
5652 | case 32: /* VSWP */ | |
dd8fbd78 FN |
5653 | tmp2 = neon_load_reg(rd, pass); |
5654 | neon_store_reg(rm, pass, tmp2); | |
9ee6e8bb PB |
5655 | break; |
5656 | case 33: /* VTRN */ | |
dd8fbd78 | 5657 | tmp2 = neon_load_reg(rd, pass); |
9ee6e8bb | 5658 | switch (size) { |
dd8fbd78 FN |
5659 | case 0: gen_neon_trn_u8(tmp, tmp2); break; |
5660 | case 1: gen_neon_trn_u16(tmp, tmp2); break; | |
9ee6e8bb PB |
5661 | case 2: abort(); |
5662 | default: return 1; | |
5663 | } | |
dd8fbd78 | 5664 | neon_store_reg(rm, pass, tmp2); |
9ee6e8bb PB |
5665 | break; |
5666 | case 56: /* Integer VRECPE */ | |
dd8fbd78 | 5667 | gen_helper_recpe_u32(tmp, tmp, cpu_env); |
9ee6e8bb PB |
5668 | break; |
5669 | case 57: /* Integer VRSQRTE */ | |
dd8fbd78 | 5670 | gen_helper_rsqrte_u32(tmp, tmp, cpu_env); |
9ee6e8bb PB |
5671 | break; |
5672 | case 58: /* Float VRECPE */ | |
4373f3ce | 5673 | gen_helper_recpe_f32(cpu_F0s, cpu_F0s, cpu_env); |
9ee6e8bb PB |
5674 | break; |
5675 | case 59: /* Float VRSQRTE */ | |
4373f3ce | 5676 | gen_helper_rsqrte_f32(cpu_F0s, cpu_F0s, cpu_env); |
9ee6e8bb PB |
5677 | break; |
5678 | case 60: /* VCVT.F32.S32 */ | |
d3587ef8 | 5679 | gen_vfp_sito(0); |
9ee6e8bb PB |
5680 | break; |
5681 | case 61: /* VCVT.F32.U32 */ | |
d3587ef8 | 5682 | gen_vfp_uito(0); |
9ee6e8bb PB |
5683 | break; |
5684 | case 62: /* VCVT.S32.F32 */ | |
d3587ef8 | 5685 | gen_vfp_tosiz(0); |
9ee6e8bb PB |
5686 | break; |
5687 | case 63: /* VCVT.U32.F32 */ | |
d3587ef8 | 5688 | gen_vfp_touiz(0); |
9ee6e8bb PB |
5689 | break; |
5690 | default: | |
5691 | /* Reserved: 21, 29, 39-56 */ | |
5692 | return 1; | |
5693 | } | |
5694 | if (op == 30 || op == 31 || op >= 58) { | |
4373f3ce PB |
5695 | tcg_gen_st_f32(cpu_F0s, cpu_env, |
5696 | neon_reg_offset(rd, pass)); | |
9ee6e8bb | 5697 | } else { |
dd8fbd78 | 5698 | neon_store_reg(rd, pass, tmp); |
9ee6e8bb PB |
5699 | } |
5700 | } | |
5701 | break; | |
5702 | } | |
5703 | } else if ((insn & (1 << 10)) == 0) { | |
5704 | /* VTBL, VTBX. */ | |
3018f259 | 5705 | n = ((insn >> 5) & 0x18) + 8; |
9ee6e8bb | 5706 | if (insn & (1 << 6)) { |
8f8e3aa4 | 5707 | tmp = neon_load_reg(rd, 0); |
9ee6e8bb | 5708 | } else { |
8f8e3aa4 PB |
5709 | tmp = new_tmp(); |
5710 | tcg_gen_movi_i32(tmp, 0); | |
9ee6e8bb | 5711 | } |
8f8e3aa4 | 5712 | tmp2 = neon_load_reg(rm, 0); |
b75263d6 JR |
5713 | tmp4 = tcg_const_i32(rn); |
5714 | tmp5 = tcg_const_i32(n); | |
5715 | gen_helper_neon_tbl(tmp2, tmp2, tmp, tmp4, tmp5); | |
3018f259 | 5716 | dead_tmp(tmp); |
9ee6e8bb | 5717 | if (insn & (1 << 6)) { |
8f8e3aa4 | 5718 | tmp = neon_load_reg(rd, 1); |
9ee6e8bb | 5719 | } else { |
8f8e3aa4 PB |
5720 | tmp = new_tmp(); |
5721 | tcg_gen_movi_i32(tmp, 0); | |
9ee6e8bb | 5722 | } |
8f8e3aa4 | 5723 | tmp3 = neon_load_reg(rm, 1); |
b75263d6 | 5724 | gen_helper_neon_tbl(tmp3, tmp3, tmp, tmp4, tmp5); |
25aeb69b JR |
5725 | tcg_temp_free_i32(tmp5); |
5726 | tcg_temp_free_i32(tmp4); | |
8f8e3aa4 | 5727 | neon_store_reg(rd, 0, tmp2); |
3018f259 PB |
5728 | neon_store_reg(rd, 1, tmp3); |
5729 | dead_tmp(tmp); | |
9ee6e8bb PB |
5730 | } else if ((insn & 0x380) == 0) { |
5731 | /* VDUP */ | |
5732 | if (insn & (1 << 19)) { | |
dd8fbd78 | 5733 | tmp = neon_load_reg(rm, 1); |
9ee6e8bb | 5734 | } else { |
dd8fbd78 | 5735 | tmp = neon_load_reg(rm, 0); |
9ee6e8bb PB |
5736 | } |
5737 | if (insn & (1 << 16)) { | |
dd8fbd78 | 5738 | gen_neon_dup_u8(tmp, ((insn >> 17) & 3) * 8); |
9ee6e8bb PB |
5739 | } else if (insn & (1 << 17)) { |
5740 | if ((insn >> 18) & 1) | |
dd8fbd78 | 5741 | gen_neon_dup_high16(tmp); |
9ee6e8bb | 5742 | else |
dd8fbd78 | 5743 | gen_neon_dup_low16(tmp); |
9ee6e8bb PB |
5744 | } |
5745 | for (pass = 0; pass < (q ? 4 : 2); pass++) { | |
dd8fbd78 FN |
5746 | tmp2 = new_tmp(); |
5747 | tcg_gen_mov_i32(tmp2, tmp); | |
5748 | neon_store_reg(rd, pass, tmp2); | |
9ee6e8bb | 5749 | } |
dd8fbd78 | 5750 | dead_tmp(tmp); |
9ee6e8bb PB |
5751 | } else { |
5752 | return 1; | |
5753 | } | |
5754 | } | |
5755 | } | |
5756 | return 0; | |
5757 | } | |
5758 | ||
fe1479c3 PB |
5759 | static int disas_cp14_read(CPUState * env, DisasContext *s, uint32_t insn) |
5760 | { | |
5761 | int crn = (insn >> 16) & 0xf; | |
5762 | int crm = insn & 0xf; | |
5763 | int op1 = (insn >> 21) & 7; | |
5764 | int op2 = (insn >> 5) & 7; | |
5765 | int rt = (insn >> 12) & 0xf; | |
5766 | TCGv tmp; | |
5767 | ||
5768 | if (arm_feature(env, ARM_FEATURE_THUMB2EE)) { | |
5769 | if (op1 == 6 && crn == 0 && crm == 0 && op2 == 0) { | |
5770 | /* TEECR */ | |
5771 | if (IS_USER(s)) | |
5772 | return 1; | |
5773 | tmp = load_cpu_field(teecr); | |
5774 | store_reg(s, rt, tmp); | |
5775 | return 0; | |
5776 | } | |
5777 | if (op1 == 6 && crn == 1 && crm == 0 && op2 == 0) { | |
5778 | /* TEEHBR */ | |
5779 | if (IS_USER(s) && (env->teecr & 1)) | |
5780 | return 1; | |
5781 | tmp = load_cpu_field(teehbr); | |
5782 | store_reg(s, rt, tmp); | |
5783 | return 0; | |
5784 | } | |
5785 | } | |
5786 | fprintf(stderr, "Unknown cp14 read op1:%d crn:%d crm:%d op2:%d\n", | |
5787 | op1, crn, crm, op2); | |
5788 | return 1; | |
5789 | } | |
5790 | ||
5791 | static int disas_cp14_write(CPUState * env, DisasContext *s, uint32_t insn) | |
5792 | { | |
5793 | int crn = (insn >> 16) & 0xf; | |
5794 | int crm = insn & 0xf; | |
5795 | int op1 = (insn >> 21) & 7; | |
5796 | int op2 = (insn >> 5) & 7; | |
5797 | int rt = (insn >> 12) & 0xf; | |
5798 | TCGv tmp; | |
5799 | ||
5800 | if (arm_feature(env, ARM_FEATURE_THUMB2EE)) { | |
5801 | if (op1 == 6 && crn == 0 && crm == 0 && op2 == 0) { | |
5802 | /* TEECR */ | |
5803 | if (IS_USER(s)) | |
5804 | return 1; | |
5805 | tmp = load_reg(s, rt); | |
5806 | gen_helper_set_teecr(cpu_env, tmp); | |
5807 | dead_tmp(tmp); | |
5808 | return 0; | |
5809 | } | |
5810 | if (op1 == 6 && crn == 1 && crm == 0 && op2 == 0) { | |
5811 | /* TEEHBR */ | |
5812 | if (IS_USER(s) && (env->teecr & 1)) | |
5813 | return 1; | |
5814 | tmp = load_reg(s, rt); | |
5815 | store_cpu_field(tmp, teehbr); | |
5816 | return 0; | |
5817 | } | |
5818 | } | |
5819 | fprintf(stderr, "Unknown cp14 write op1:%d crn:%d crm:%d op2:%d\n", | |
5820 | op1, crn, crm, op2); | |
5821 | return 1; | |
5822 | } | |
5823 | ||
9ee6e8bb PB |
5824 | static int disas_coproc_insn(CPUState * env, DisasContext *s, uint32_t insn) |
5825 | { | |
5826 | int cpnum; | |
5827 | ||
5828 | cpnum = (insn >> 8) & 0xf; | |
5829 | if (arm_feature(env, ARM_FEATURE_XSCALE) | |
5830 | && ((env->cp15.c15_cpar ^ 0x3fff) & (1 << cpnum))) | |
5831 | return 1; | |
5832 | ||
5833 | switch (cpnum) { | |
5834 | case 0: | |
5835 | case 1: | |
5836 | if (arm_feature(env, ARM_FEATURE_IWMMXT)) { | |
5837 | return disas_iwmmxt_insn(env, s, insn); | |
5838 | } else if (arm_feature(env, ARM_FEATURE_XSCALE)) { | |
5839 | return disas_dsp_insn(env, s, insn); | |
5840 | } | |
5841 | return 1; | |
5842 | case 10: | |
5843 | case 11: | |
5844 | return disas_vfp_insn (env, s, insn); | |
fe1479c3 PB |
5845 | case 14: |
5846 | /* Coprocessors 7-15 are architecturally reserved by ARM. | |
5847 | Unfortunately Intel decided to ignore this. */ | |
5848 | if (arm_feature(env, ARM_FEATURE_XSCALE)) | |
5849 | goto board; | |
5850 | if (insn & (1 << 20)) | |
5851 | return disas_cp14_read(env, s, insn); | |
5852 | else | |
5853 | return disas_cp14_write(env, s, insn); | |
9ee6e8bb PB |
5854 | case 15: |
5855 | return disas_cp15_insn (env, s, insn); | |
5856 | default: | |
fe1479c3 | 5857 | board: |
9ee6e8bb PB |
5858 | /* Unknown coprocessor. See if the board has hooked it. */ |
5859 | return disas_cp_insn (env, s, insn); | |
5860 | } | |
5861 | } | |
5862 | ||
5e3f878a PB |
5863 | |
5864 | /* Store a 64-bit value to a register pair. Clobbers val. */ | |
a7812ae4 | 5865 | static void gen_storeq_reg(DisasContext *s, int rlow, int rhigh, TCGv_i64 val) |
5e3f878a PB |
5866 | { |
5867 | TCGv tmp; | |
5868 | tmp = new_tmp(); | |
5869 | tcg_gen_trunc_i64_i32(tmp, val); | |
5870 | store_reg(s, rlow, tmp); | |
5871 | tmp = new_tmp(); | |
5872 | tcg_gen_shri_i64(val, val, 32); | |
5873 | tcg_gen_trunc_i64_i32(tmp, val); | |
5874 | store_reg(s, rhigh, tmp); | |
5875 | } | |
5876 | ||
5877 | /* load a 32-bit value from a register and perform a 64-bit accumulate. */ | |
a7812ae4 | 5878 | static void gen_addq_lo(DisasContext *s, TCGv_i64 val, int rlow) |
5e3f878a | 5879 | { |
a7812ae4 | 5880 | TCGv_i64 tmp; |
5e3f878a PB |
5881 | TCGv tmp2; |
5882 | ||
36aa55dc | 5883 | /* Load value and extend to 64 bits. */ |
a7812ae4 | 5884 | tmp = tcg_temp_new_i64(); |
5e3f878a PB |
5885 | tmp2 = load_reg(s, rlow); |
5886 | tcg_gen_extu_i32_i64(tmp, tmp2); | |
5887 | dead_tmp(tmp2); | |
5888 | tcg_gen_add_i64(val, val, tmp); | |
b75263d6 | 5889 | tcg_temp_free_i64(tmp); |
5e3f878a PB |
5890 | } |
5891 | ||
5892 | /* load and add a 64-bit value from a register pair. */ | |
a7812ae4 | 5893 | static void gen_addq(DisasContext *s, TCGv_i64 val, int rlow, int rhigh) |
5e3f878a | 5894 | { |
a7812ae4 | 5895 | TCGv_i64 tmp; |
36aa55dc PB |
5896 | TCGv tmpl; |
5897 | TCGv tmph; | |
5e3f878a PB |
5898 | |
5899 | /* Load 64-bit value rd:rn. */ | |
36aa55dc PB |
5900 | tmpl = load_reg(s, rlow); |
5901 | tmph = load_reg(s, rhigh); | |
a7812ae4 | 5902 | tmp = tcg_temp_new_i64(); |
36aa55dc PB |
5903 | tcg_gen_concat_i32_i64(tmp, tmpl, tmph); |
5904 | dead_tmp(tmpl); | |
5905 | dead_tmp(tmph); | |
5e3f878a | 5906 | tcg_gen_add_i64(val, val, tmp); |
b75263d6 | 5907 | tcg_temp_free_i64(tmp); |
5e3f878a PB |
5908 | } |
5909 | ||
5910 | /* Set N and Z flags from a 64-bit value. */ | |
a7812ae4 | 5911 | static void gen_logicq_cc(TCGv_i64 val) |
5e3f878a PB |
5912 | { |
5913 | TCGv tmp = new_tmp(); | |
5914 | gen_helper_logicq_cc(tmp, val); | |
6fbe23d5 PB |
5915 | gen_logic_CC(tmp); |
5916 | dead_tmp(tmp); | |
5e3f878a PB |
5917 | } |
5918 | ||
426f5abc PB |
5919 | /* Load/Store exclusive instructions are implemented by remembering |
5920 | the value/address loaded, and seeing if these are the same | |
5921 | when the store is performed. This should be is sufficient to implement | |
5922 | the architecturally mandated semantics, and avoids having to monitor | |
5923 | regular stores. | |
5924 | ||
5925 | In system emulation mode only one CPU will be running at once, so | |
5926 | this sequence is effectively atomic. In user emulation mode we | |
5927 | throw an exception and handle the atomic operation elsewhere. */ | |
5928 | static void gen_load_exclusive(DisasContext *s, int rt, int rt2, | |
5929 | TCGv addr, int size) | |
5930 | { | |
5931 | TCGv tmp; | |
5932 | ||
5933 | switch (size) { | |
5934 | case 0: | |
5935 | tmp = gen_ld8u(addr, IS_USER(s)); | |
5936 | break; | |
5937 | case 1: | |
5938 | tmp = gen_ld16u(addr, IS_USER(s)); | |
5939 | break; | |
5940 | case 2: | |
5941 | case 3: | |
5942 | tmp = gen_ld32(addr, IS_USER(s)); | |
5943 | break; | |
5944 | default: | |
5945 | abort(); | |
5946 | } | |
5947 | tcg_gen_mov_i32(cpu_exclusive_val, tmp); | |
5948 | store_reg(s, rt, tmp); | |
5949 | if (size == 3) { | |
2c9adbda PM |
5950 | TCGv tmp2 = new_tmp(); |
5951 | tcg_gen_addi_i32(tmp2, addr, 4); | |
5952 | tmp = gen_ld32(tmp2, IS_USER(s)); | |
5953 | dead_tmp(tmp2); | |
426f5abc PB |
5954 | tcg_gen_mov_i32(cpu_exclusive_high, tmp); |
5955 | store_reg(s, rt2, tmp); | |
5956 | } | |
5957 | tcg_gen_mov_i32(cpu_exclusive_addr, addr); | |
5958 | } | |
5959 | ||
5960 | static void gen_clrex(DisasContext *s) | |
5961 | { | |
5962 | tcg_gen_movi_i32(cpu_exclusive_addr, -1); | |
5963 | } | |
5964 | ||
5965 | #ifdef CONFIG_USER_ONLY | |
5966 | static void gen_store_exclusive(DisasContext *s, int rd, int rt, int rt2, | |
5967 | TCGv addr, int size) | |
5968 | { | |
5969 | tcg_gen_mov_i32(cpu_exclusive_test, addr); | |
5970 | tcg_gen_movi_i32(cpu_exclusive_info, | |
5971 | size | (rd << 4) | (rt << 8) | (rt2 << 12)); | |
bc4a0de0 | 5972 | gen_exception_insn(s, 4, EXCP_STREX); |
426f5abc PB |
5973 | } |
5974 | #else | |
5975 | static void gen_store_exclusive(DisasContext *s, int rd, int rt, int rt2, | |
5976 | TCGv addr, int size) | |
5977 | { | |
5978 | TCGv tmp; | |
5979 | int done_label; | |
5980 | int fail_label; | |
5981 | ||
5982 | /* if (env->exclusive_addr == addr && env->exclusive_val == [addr]) { | |
5983 | [addr] = {Rt}; | |
5984 | {Rd} = 0; | |
5985 | } else { | |
5986 | {Rd} = 1; | |
5987 | } */ | |
5988 | fail_label = gen_new_label(); | |
5989 | done_label = gen_new_label(); | |
5990 | tcg_gen_brcond_i32(TCG_COND_NE, addr, cpu_exclusive_addr, fail_label); | |
5991 | switch (size) { | |
5992 | case 0: | |
5993 | tmp = gen_ld8u(addr, IS_USER(s)); | |
5994 | break; | |
5995 | case 1: | |
5996 | tmp = gen_ld16u(addr, IS_USER(s)); | |
5997 | break; | |
5998 | case 2: | |
5999 | case 3: | |
6000 | tmp = gen_ld32(addr, IS_USER(s)); | |
6001 | break; | |
6002 | default: | |
6003 | abort(); | |
6004 | } | |
6005 | tcg_gen_brcond_i32(TCG_COND_NE, tmp, cpu_exclusive_val, fail_label); | |
6006 | dead_tmp(tmp); | |
6007 | if (size == 3) { | |
6008 | TCGv tmp2 = new_tmp(); | |
6009 | tcg_gen_addi_i32(tmp2, addr, 4); | |
2c9adbda | 6010 | tmp = gen_ld32(tmp2, IS_USER(s)); |
426f5abc PB |
6011 | dead_tmp(tmp2); |
6012 | tcg_gen_brcond_i32(TCG_COND_NE, tmp, cpu_exclusive_high, fail_label); | |
6013 | dead_tmp(tmp); | |
6014 | } | |
6015 | tmp = load_reg(s, rt); | |
6016 | switch (size) { | |
6017 | case 0: | |
6018 | gen_st8(tmp, addr, IS_USER(s)); | |
6019 | break; | |
6020 | case 1: | |
6021 | gen_st16(tmp, addr, IS_USER(s)); | |
6022 | break; | |
6023 | case 2: | |
6024 | case 3: | |
6025 | gen_st32(tmp, addr, IS_USER(s)); | |
6026 | break; | |
6027 | default: | |
6028 | abort(); | |
6029 | } | |
6030 | if (size == 3) { | |
6031 | tcg_gen_addi_i32(addr, addr, 4); | |
6032 | tmp = load_reg(s, rt2); | |
6033 | gen_st32(tmp, addr, IS_USER(s)); | |
6034 | } | |
6035 | tcg_gen_movi_i32(cpu_R[rd], 0); | |
6036 | tcg_gen_br(done_label); | |
6037 | gen_set_label(fail_label); | |
6038 | tcg_gen_movi_i32(cpu_R[rd], 1); | |
6039 | gen_set_label(done_label); | |
6040 | tcg_gen_movi_i32(cpu_exclusive_addr, -1); | |
6041 | } | |
6042 | #endif | |
6043 | ||
9ee6e8bb PB |
6044 | static void disas_arm_insn(CPUState * env, DisasContext *s) |
6045 | { | |
6046 | unsigned int cond, insn, val, op1, i, shift, rm, rs, rn, rd, sh; | |
b26eefb6 | 6047 | TCGv tmp; |
3670669c | 6048 | TCGv tmp2; |
6ddbc6e4 | 6049 | TCGv tmp3; |
b0109805 | 6050 | TCGv addr; |
a7812ae4 | 6051 | TCGv_i64 tmp64; |
9ee6e8bb PB |
6052 | |
6053 | insn = ldl_code(s->pc); | |
6054 | s->pc += 4; | |
6055 | ||
6056 | /* M variants do not implement ARM mode. */ | |
6057 | if (IS_M(env)) | |
6058 | goto illegal_op; | |
6059 | cond = insn >> 28; | |
6060 | if (cond == 0xf){ | |
6061 | /* Unconditional instructions. */ | |
6062 | if (((insn >> 25) & 7) == 1) { | |
6063 | /* NEON Data processing. */ | |
6064 | if (!arm_feature(env, ARM_FEATURE_NEON)) | |
6065 | goto illegal_op; | |
6066 | ||
6067 | if (disas_neon_data_insn(env, s, insn)) | |
6068 | goto illegal_op; | |
6069 | return; | |
6070 | } | |
6071 | if ((insn & 0x0f100000) == 0x04000000) { | |
6072 | /* NEON load/store. */ | |
6073 | if (!arm_feature(env, ARM_FEATURE_NEON)) | |
6074 | goto illegal_op; | |
6075 | ||
6076 | if (disas_neon_ls_insn(env, s, insn)) | |
6077 | goto illegal_op; | |
6078 | return; | |
6079 | } | |
3d185e5d PM |
6080 | if (((insn & 0x0f30f000) == 0x0510f000) || |
6081 | ((insn & 0x0f30f010) == 0x0710f000)) { | |
6082 | if ((insn & (1 << 22)) == 0) { | |
6083 | /* PLDW; v7MP */ | |
6084 | if (!arm_feature(env, ARM_FEATURE_V7MP)) { | |
6085 | goto illegal_op; | |
6086 | } | |
6087 | } | |
6088 | /* Otherwise PLD; v5TE+ */ | |
6089 | return; | |
6090 | } | |
6091 | if (((insn & 0x0f70f000) == 0x0450f000) || | |
6092 | ((insn & 0x0f70f010) == 0x0650f000)) { | |
6093 | ARCH(7); | |
6094 | return; /* PLI; V7 */ | |
6095 | } | |
6096 | if (((insn & 0x0f700000) == 0x04100000) || | |
6097 | ((insn & 0x0f700010) == 0x06100000)) { | |
6098 | if (!arm_feature(env, ARM_FEATURE_V7MP)) { | |
6099 | goto illegal_op; | |
6100 | } | |
6101 | return; /* v7MP: Unallocated memory hint: must NOP */ | |
6102 | } | |
6103 | ||
6104 | if ((insn & 0x0ffffdff) == 0x01010000) { | |
9ee6e8bb PB |
6105 | ARCH(6); |
6106 | /* setend */ | |
6107 | if (insn & (1 << 9)) { | |
6108 | /* BE8 mode not implemented. */ | |
6109 | goto illegal_op; | |
6110 | } | |
6111 | return; | |
6112 | } else if ((insn & 0x0fffff00) == 0x057ff000) { | |
6113 | switch ((insn >> 4) & 0xf) { | |
6114 | case 1: /* clrex */ | |
6115 | ARCH(6K); | |
426f5abc | 6116 | gen_clrex(s); |
9ee6e8bb PB |
6117 | return; |
6118 | case 4: /* dsb */ | |
6119 | case 5: /* dmb */ | |
6120 | case 6: /* isb */ | |
6121 | ARCH(7); | |
6122 | /* We don't emulate caches so these are a no-op. */ | |
6123 | return; | |
6124 | default: | |
6125 | goto illegal_op; | |
6126 | } | |
6127 | } else if ((insn & 0x0e5fffe0) == 0x084d0500) { | |
6128 | /* srs */ | |
c67b6b71 | 6129 | int32_t offset; |
9ee6e8bb PB |
6130 | if (IS_USER(s)) |
6131 | goto illegal_op; | |
6132 | ARCH(6); | |
6133 | op1 = (insn & 0x1f); | |
39ea3d4e PM |
6134 | addr = new_tmp(); |
6135 | tmp = tcg_const_i32(op1); | |
6136 | gen_helper_get_r13_banked(addr, cpu_env, tmp); | |
6137 | tcg_temp_free_i32(tmp); | |
9ee6e8bb PB |
6138 | i = (insn >> 23) & 3; |
6139 | switch (i) { | |
6140 | case 0: offset = -4; break; /* DA */ | |
c67b6b71 FN |
6141 | case 1: offset = 0; break; /* IA */ |
6142 | case 2: offset = -8; break; /* DB */ | |
9ee6e8bb PB |
6143 | case 3: offset = 4; break; /* IB */ |
6144 | default: abort(); | |
6145 | } | |
6146 | if (offset) | |
b0109805 PB |
6147 | tcg_gen_addi_i32(addr, addr, offset); |
6148 | tmp = load_reg(s, 14); | |
6149 | gen_st32(tmp, addr, 0); | |
c67b6b71 | 6150 | tmp = load_cpu_field(spsr); |
b0109805 PB |
6151 | tcg_gen_addi_i32(addr, addr, 4); |
6152 | gen_st32(tmp, addr, 0); | |
9ee6e8bb PB |
6153 | if (insn & (1 << 21)) { |
6154 | /* Base writeback. */ | |
6155 | switch (i) { | |
6156 | case 0: offset = -8; break; | |
c67b6b71 FN |
6157 | case 1: offset = 4; break; |
6158 | case 2: offset = -4; break; | |
9ee6e8bb PB |
6159 | case 3: offset = 0; break; |
6160 | default: abort(); | |
6161 | } | |
6162 | if (offset) | |
c67b6b71 | 6163 | tcg_gen_addi_i32(addr, addr, offset); |
39ea3d4e PM |
6164 | tmp = tcg_const_i32(op1); |
6165 | gen_helper_set_r13_banked(cpu_env, tmp, addr); | |
6166 | tcg_temp_free_i32(tmp); | |
6167 | dead_tmp(addr); | |
b0109805 PB |
6168 | } else { |
6169 | dead_tmp(addr); | |
9ee6e8bb | 6170 | } |
a990f58f | 6171 | return; |
ea825eee | 6172 | } else if ((insn & 0x0e50ffe0) == 0x08100a00) { |
9ee6e8bb | 6173 | /* rfe */ |
c67b6b71 | 6174 | int32_t offset; |
9ee6e8bb PB |
6175 | if (IS_USER(s)) |
6176 | goto illegal_op; | |
6177 | ARCH(6); | |
6178 | rn = (insn >> 16) & 0xf; | |
b0109805 | 6179 | addr = load_reg(s, rn); |
9ee6e8bb PB |
6180 | i = (insn >> 23) & 3; |
6181 | switch (i) { | |
b0109805 | 6182 | case 0: offset = -4; break; /* DA */ |
c67b6b71 FN |
6183 | case 1: offset = 0; break; /* IA */ |
6184 | case 2: offset = -8; break; /* DB */ | |
b0109805 | 6185 | case 3: offset = 4; break; /* IB */ |
9ee6e8bb PB |
6186 | default: abort(); |
6187 | } | |
6188 | if (offset) | |
b0109805 PB |
6189 | tcg_gen_addi_i32(addr, addr, offset); |
6190 | /* Load PC into tmp and CPSR into tmp2. */ | |
6191 | tmp = gen_ld32(addr, 0); | |
6192 | tcg_gen_addi_i32(addr, addr, 4); | |
6193 | tmp2 = gen_ld32(addr, 0); | |
9ee6e8bb PB |
6194 | if (insn & (1 << 21)) { |
6195 | /* Base writeback. */ | |
6196 | switch (i) { | |
b0109805 | 6197 | case 0: offset = -8; break; |
c67b6b71 FN |
6198 | case 1: offset = 4; break; |
6199 | case 2: offset = -4; break; | |
b0109805 | 6200 | case 3: offset = 0; break; |
9ee6e8bb PB |
6201 | default: abort(); |
6202 | } | |
6203 | if (offset) | |
b0109805 PB |
6204 | tcg_gen_addi_i32(addr, addr, offset); |
6205 | store_reg(s, rn, addr); | |
6206 | } else { | |
6207 | dead_tmp(addr); | |
9ee6e8bb | 6208 | } |
b0109805 | 6209 | gen_rfe(s, tmp, tmp2); |
c67b6b71 | 6210 | return; |
9ee6e8bb PB |
6211 | } else if ((insn & 0x0e000000) == 0x0a000000) { |
6212 | /* branch link and change to thumb (blx <offset>) */ | |
6213 | int32_t offset; | |
6214 | ||
6215 | val = (uint32_t)s->pc; | |
d9ba4830 PB |
6216 | tmp = new_tmp(); |
6217 | tcg_gen_movi_i32(tmp, val); | |
6218 | store_reg(s, 14, tmp); | |
9ee6e8bb PB |
6219 | /* Sign-extend the 24-bit offset */ |
6220 | offset = (((int32_t)insn) << 8) >> 8; | |
6221 | /* offset * 4 + bit24 * 2 + (thumb bit) */ | |
6222 | val += (offset << 2) | ((insn >> 23) & 2) | 1; | |
6223 | /* pipeline offset */ | |
6224 | val += 4; | |
d9ba4830 | 6225 | gen_bx_im(s, val); |
9ee6e8bb PB |
6226 | return; |
6227 | } else if ((insn & 0x0e000f00) == 0x0c000100) { | |
6228 | if (arm_feature(env, ARM_FEATURE_IWMMXT)) { | |
6229 | /* iWMMXt register transfer. */ | |
6230 | if (env->cp15.c15_cpar & (1 << 1)) | |
6231 | if (!disas_iwmmxt_insn(env, s, insn)) | |
6232 | return; | |
6233 | } | |
6234 | } else if ((insn & 0x0fe00000) == 0x0c400000) { | |
6235 | /* Coprocessor double register transfer. */ | |
6236 | } else if ((insn & 0x0f000010) == 0x0e000010) { | |
6237 | /* Additional coprocessor register transfer. */ | |
7997d92f | 6238 | } else if ((insn & 0x0ff10020) == 0x01000000) { |
9ee6e8bb PB |
6239 | uint32_t mask; |
6240 | uint32_t val; | |
6241 | /* cps (privileged) */ | |
6242 | if (IS_USER(s)) | |
6243 | return; | |
6244 | mask = val = 0; | |
6245 | if (insn & (1 << 19)) { | |
6246 | if (insn & (1 << 8)) | |
6247 | mask |= CPSR_A; | |
6248 | if (insn & (1 << 7)) | |
6249 | mask |= CPSR_I; | |
6250 | if (insn & (1 << 6)) | |
6251 | mask |= CPSR_F; | |
6252 | if (insn & (1 << 18)) | |
6253 | val |= mask; | |
6254 | } | |
7997d92f | 6255 | if (insn & (1 << 17)) { |
9ee6e8bb PB |
6256 | mask |= CPSR_M; |
6257 | val |= (insn & 0x1f); | |
6258 | } | |
6259 | if (mask) { | |
2fbac54b | 6260 | gen_set_psr_im(s, mask, 0, val); |
9ee6e8bb PB |
6261 | } |
6262 | return; | |
6263 | } | |
6264 | goto illegal_op; | |
6265 | } | |
6266 | if (cond != 0xe) { | |
6267 | /* if not always execute, we generate a conditional jump to | |
6268 | next instruction */ | |
6269 | s->condlabel = gen_new_label(); | |
d9ba4830 | 6270 | gen_test_cc(cond ^ 1, s->condlabel); |
9ee6e8bb PB |
6271 | s->condjmp = 1; |
6272 | } | |
6273 | if ((insn & 0x0f900000) == 0x03000000) { | |
6274 | if ((insn & (1 << 21)) == 0) { | |
6275 | ARCH(6T2); | |
6276 | rd = (insn >> 12) & 0xf; | |
6277 | val = ((insn >> 4) & 0xf000) | (insn & 0xfff); | |
6278 | if ((insn & (1 << 22)) == 0) { | |
6279 | /* MOVW */ | |
5e3f878a PB |
6280 | tmp = new_tmp(); |
6281 | tcg_gen_movi_i32(tmp, val); | |
9ee6e8bb PB |
6282 | } else { |
6283 | /* MOVT */ | |
5e3f878a | 6284 | tmp = load_reg(s, rd); |
86831435 | 6285 | tcg_gen_ext16u_i32(tmp, tmp); |
5e3f878a | 6286 | tcg_gen_ori_i32(tmp, tmp, val << 16); |
9ee6e8bb | 6287 | } |
5e3f878a | 6288 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6289 | } else { |
6290 | if (((insn >> 12) & 0xf) != 0xf) | |
6291 | goto illegal_op; | |
6292 | if (((insn >> 16) & 0xf) == 0) { | |
6293 | gen_nop_hint(s, insn & 0xff); | |
6294 | } else { | |
6295 | /* CPSR = immediate */ | |
6296 | val = insn & 0xff; | |
6297 | shift = ((insn >> 8) & 0xf) * 2; | |
6298 | if (shift) | |
6299 | val = (val >> shift) | (val << (32 - shift)); | |
9ee6e8bb | 6300 | i = ((insn & (1 << 22)) != 0); |
2fbac54b | 6301 | if (gen_set_psr_im(s, msr_mask(env, s, (insn >> 16) & 0xf, i), i, val)) |
9ee6e8bb PB |
6302 | goto illegal_op; |
6303 | } | |
6304 | } | |
6305 | } else if ((insn & 0x0f900000) == 0x01000000 | |
6306 | && (insn & 0x00000090) != 0x00000090) { | |
6307 | /* miscellaneous instructions */ | |
6308 | op1 = (insn >> 21) & 3; | |
6309 | sh = (insn >> 4) & 0xf; | |
6310 | rm = insn & 0xf; | |
6311 | switch (sh) { | |
6312 | case 0x0: /* move program status register */ | |
6313 | if (op1 & 1) { | |
6314 | /* PSR = reg */ | |
2fbac54b | 6315 | tmp = load_reg(s, rm); |
9ee6e8bb | 6316 | i = ((op1 & 2) != 0); |
2fbac54b | 6317 | if (gen_set_psr(s, msr_mask(env, s, (insn >> 16) & 0xf, i), i, tmp)) |
9ee6e8bb PB |
6318 | goto illegal_op; |
6319 | } else { | |
6320 | /* reg = PSR */ | |
6321 | rd = (insn >> 12) & 0xf; | |
6322 | if (op1 & 2) { | |
6323 | if (IS_USER(s)) | |
6324 | goto illegal_op; | |
d9ba4830 | 6325 | tmp = load_cpu_field(spsr); |
9ee6e8bb | 6326 | } else { |
d9ba4830 PB |
6327 | tmp = new_tmp(); |
6328 | gen_helper_cpsr_read(tmp); | |
9ee6e8bb | 6329 | } |
d9ba4830 | 6330 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6331 | } |
6332 | break; | |
6333 | case 0x1: | |
6334 | if (op1 == 1) { | |
6335 | /* branch/exchange thumb (bx). */ | |
d9ba4830 PB |
6336 | tmp = load_reg(s, rm); |
6337 | gen_bx(s, tmp); | |
9ee6e8bb PB |
6338 | } else if (op1 == 3) { |
6339 | /* clz */ | |
6340 | rd = (insn >> 12) & 0xf; | |
1497c961 PB |
6341 | tmp = load_reg(s, rm); |
6342 | gen_helper_clz(tmp, tmp); | |
6343 | store_reg(s, rd, tmp); | |
9ee6e8bb PB |
6344 | } else { |
6345 | goto illegal_op; | |
6346 | } | |
6347 | break; | |
6348 | case 0x2: | |
6349 | if (op1 == 1) { | |
6350 | ARCH(5J); /* bxj */ | |
6351 | /* Trivial implementation equivalent to bx. */ | |
d9ba4830 PB |
6352 | tmp = load_reg(s, rm); |
6353 | gen_bx(s, tmp); | |
9ee6e8bb PB |
6354 | } else { |
6355 | goto illegal_op; | |
6356 | } | |
6357 | break; | |
6358 | case 0x3: | |
6359 | if (op1 != 1) | |
6360 | goto illegal_op; | |
6361 | ||
6362 | /* branch link/exchange thumb (blx) */ | |
d9ba4830 PB |
6363 | tmp = load_reg(s, rm); |
6364 | tmp2 = new_tmp(); | |
6365 | tcg_gen_movi_i32(tmp2, s->pc); | |
6366 | store_reg(s, 14, tmp2); | |
6367 | gen_bx(s, tmp); | |
9ee6e8bb PB |
6368 | break; |
6369 | case 0x5: /* saturating add/subtract */ | |
6370 | rd = (insn >> 12) & 0xf; | |
6371 | rn = (insn >> 16) & 0xf; | |
b40d0353 | 6372 | tmp = load_reg(s, rm); |
5e3f878a | 6373 | tmp2 = load_reg(s, rn); |
9ee6e8bb | 6374 | if (op1 & 2) |
5e3f878a | 6375 | gen_helper_double_saturate(tmp2, tmp2); |
9ee6e8bb | 6376 | if (op1 & 1) |
5e3f878a | 6377 | gen_helper_sub_saturate(tmp, tmp, tmp2); |
9ee6e8bb | 6378 | else |
5e3f878a PB |
6379 | gen_helper_add_saturate(tmp, tmp, tmp2); |
6380 | dead_tmp(tmp2); | |
6381 | store_reg(s, rd, tmp); | |
9ee6e8bb | 6382 | break; |
49e14940 AL |
6383 | case 7: |
6384 | /* SMC instruction (op1 == 3) | |
6385 | and undefined instructions (op1 == 0 || op1 == 2) | |
6386 | will trap */ | |
6387 | if (op1 != 1) { | |
6388 | goto illegal_op; | |
6389 | } | |
6390 | /* bkpt */ | |
bc4a0de0 | 6391 | gen_exception_insn(s, 4, EXCP_BKPT); |
9ee6e8bb PB |
6392 | break; |
6393 | case 0x8: /* signed multiply */ | |
6394 | case 0xa: | |
6395 | case 0xc: | |
6396 | case 0xe: | |
6397 | rs = (insn >> 8) & 0xf; | |
6398 | rn = (insn >> 12) & 0xf; | |
6399 | rd = (insn >> 16) & 0xf; | |
6400 | if (op1 == 1) { | |
6401 | /* (32 * 16) >> 16 */ | |
5e3f878a PB |
6402 | tmp = load_reg(s, rm); |
6403 | tmp2 = load_reg(s, rs); | |
9ee6e8bb | 6404 | if (sh & 4) |
5e3f878a | 6405 | tcg_gen_sari_i32(tmp2, tmp2, 16); |
9ee6e8bb | 6406 | else |
5e3f878a | 6407 | gen_sxth(tmp2); |
a7812ae4 PB |
6408 | tmp64 = gen_muls_i64_i32(tmp, tmp2); |
6409 | tcg_gen_shri_i64(tmp64, tmp64, 16); | |
5e3f878a | 6410 | tmp = new_tmp(); |
a7812ae4 | 6411 | tcg_gen_trunc_i64_i32(tmp, tmp64); |
b75263d6 | 6412 | tcg_temp_free_i64(tmp64); |
9ee6e8bb | 6413 | if ((sh & 2) == 0) { |
5e3f878a PB |
6414 | tmp2 = load_reg(s, rn); |
6415 | gen_helper_add_setq(tmp, tmp, tmp2); | |
6416 | dead_tmp(tmp2); | |
9ee6e8bb | 6417 | } |
5e3f878a | 6418 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6419 | } else { |
6420 | /* 16 * 16 */ | |
5e3f878a PB |
6421 | tmp = load_reg(s, rm); |
6422 | tmp2 = load_reg(s, rs); | |
6423 | gen_mulxy(tmp, tmp2, sh & 2, sh & 4); | |
6424 | dead_tmp(tmp2); | |
9ee6e8bb | 6425 | if (op1 == 2) { |
a7812ae4 PB |
6426 | tmp64 = tcg_temp_new_i64(); |
6427 | tcg_gen_ext_i32_i64(tmp64, tmp); | |
22478e79 | 6428 | dead_tmp(tmp); |
a7812ae4 PB |
6429 | gen_addq(s, tmp64, rn, rd); |
6430 | gen_storeq_reg(s, rn, rd, tmp64); | |
b75263d6 | 6431 | tcg_temp_free_i64(tmp64); |
9ee6e8bb PB |
6432 | } else { |
6433 | if (op1 == 0) { | |
5e3f878a PB |
6434 | tmp2 = load_reg(s, rn); |
6435 | gen_helper_add_setq(tmp, tmp, tmp2); | |
6436 | dead_tmp(tmp2); | |
9ee6e8bb | 6437 | } |
5e3f878a | 6438 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6439 | } |
6440 | } | |
6441 | break; | |
6442 | default: | |
6443 | goto illegal_op; | |
6444 | } | |
6445 | } else if (((insn & 0x0e000000) == 0 && | |
6446 | (insn & 0x00000090) != 0x90) || | |
6447 | ((insn & 0x0e000000) == (1 << 25))) { | |
6448 | int set_cc, logic_cc, shiftop; | |
6449 | ||
6450 | op1 = (insn >> 21) & 0xf; | |
6451 | set_cc = (insn >> 20) & 1; | |
6452 | logic_cc = table_logic_cc[op1] & set_cc; | |
6453 | ||
6454 | /* data processing instruction */ | |
6455 | if (insn & (1 << 25)) { | |
6456 | /* immediate operand */ | |
6457 | val = insn & 0xff; | |
6458 | shift = ((insn >> 8) & 0xf) * 2; | |
e9bb4aa9 | 6459 | if (shift) { |
9ee6e8bb | 6460 | val = (val >> shift) | (val << (32 - shift)); |
e9bb4aa9 JR |
6461 | } |
6462 | tmp2 = new_tmp(); | |
6463 | tcg_gen_movi_i32(tmp2, val); | |
6464 | if (logic_cc && shift) { | |
6465 | gen_set_CF_bit31(tmp2); | |
6466 | } | |
9ee6e8bb PB |
6467 | } else { |
6468 | /* register */ | |
6469 | rm = (insn) & 0xf; | |
e9bb4aa9 | 6470 | tmp2 = load_reg(s, rm); |
9ee6e8bb PB |
6471 | shiftop = (insn >> 5) & 3; |
6472 | if (!(insn & (1 << 4))) { | |
6473 | shift = (insn >> 7) & 0x1f; | |
e9bb4aa9 | 6474 | gen_arm_shift_im(tmp2, shiftop, shift, logic_cc); |
9ee6e8bb PB |
6475 | } else { |
6476 | rs = (insn >> 8) & 0xf; | |
8984bd2e | 6477 | tmp = load_reg(s, rs); |
e9bb4aa9 | 6478 | gen_arm_shift_reg(tmp2, shiftop, tmp, logic_cc); |
9ee6e8bb PB |
6479 | } |
6480 | } | |
6481 | if (op1 != 0x0f && op1 != 0x0d) { | |
6482 | rn = (insn >> 16) & 0xf; | |
e9bb4aa9 JR |
6483 | tmp = load_reg(s, rn); |
6484 | } else { | |
6485 | TCGV_UNUSED(tmp); | |
9ee6e8bb PB |
6486 | } |
6487 | rd = (insn >> 12) & 0xf; | |
6488 | switch(op1) { | |
6489 | case 0x00: | |
e9bb4aa9 JR |
6490 | tcg_gen_and_i32(tmp, tmp, tmp2); |
6491 | if (logic_cc) { | |
6492 | gen_logic_CC(tmp); | |
6493 | } | |
21aeb343 | 6494 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6495 | break; |
6496 | case 0x01: | |
e9bb4aa9 JR |
6497 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
6498 | if (logic_cc) { | |
6499 | gen_logic_CC(tmp); | |
6500 | } | |
21aeb343 | 6501 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6502 | break; |
6503 | case 0x02: | |
6504 | if (set_cc && rd == 15) { | |
6505 | /* SUBS r15, ... is used for exception return. */ | |
e9bb4aa9 | 6506 | if (IS_USER(s)) { |
9ee6e8bb | 6507 | goto illegal_op; |
e9bb4aa9 JR |
6508 | } |
6509 | gen_helper_sub_cc(tmp, tmp, tmp2); | |
6510 | gen_exception_return(s, tmp); | |
9ee6e8bb | 6511 | } else { |
e9bb4aa9 JR |
6512 | if (set_cc) { |
6513 | gen_helper_sub_cc(tmp, tmp, tmp2); | |
6514 | } else { | |
6515 | tcg_gen_sub_i32(tmp, tmp, tmp2); | |
6516 | } | |
21aeb343 | 6517 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6518 | } |
6519 | break; | |
6520 | case 0x03: | |
e9bb4aa9 JR |
6521 | if (set_cc) { |
6522 | gen_helper_sub_cc(tmp, tmp2, tmp); | |
6523 | } else { | |
6524 | tcg_gen_sub_i32(tmp, tmp2, tmp); | |
6525 | } | |
21aeb343 | 6526 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6527 | break; |
6528 | case 0x04: | |
e9bb4aa9 JR |
6529 | if (set_cc) { |
6530 | gen_helper_add_cc(tmp, tmp, tmp2); | |
6531 | } else { | |
6532 | tcg_gen_add_i32(tmp, tmp, tmp2); | |
6533 | } | |
21aeb343 | 6534 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6535 | break; |
6536 | case 0x05: | |
e9bb4aa9 JR |
6537 | if (set_cc) { |
6538 | gen_helper_adc_cc(tmp, tmp, tmp2); | |
6539 | } else { | |
6540 | gen_add_carry(tmp, tmp, tmp2); | |
6541 | } | |
21aeb343 | 6542 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6543 | break; |
6544 | case 0x06: | |
e9bb4aa9 JR |
6545 | if (set_cc) { |
6546 | gen_helper_sbc_cc(tmp, tmp, tmp2); | |
6547 | } else { | |
6548 | gen_sub_carry(tmp, tmp, tmp2); | |
6549 | } | |
21aeb343 | 6550 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6551 | break; |
6552 | case 0x07: | |
e9bb4aa9 JR |
6553 | if (set_cc) { |
6554 | gen_helper_sbc_cc(tmp, tmp2, tmp); | |
6555 | } else { | |
6556 | gen_sub_carry(tmp, tmp2, tmp); | |
6557 | } | |
21aeb343 | 6558 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6559 | break; |
6560 | case 0x08: | |
6561 | if (set_cc) { | |
e9bb4aa9 JR |
6562 | tcg_gen_and_i32(tmp, tmp, tmp2); |
6563 | gen_logic_CC(tmp); | |
9ee6e8bb | 6564 | } |
e9bb4aa9 | 6565 | dead_tmp(tmp); |
9ee6e8bb PB |
6566 | break; |
6567 | case 0x09: | |
6568 | if (set_cc) { | |
e9bb4aa9 JR |
6569 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
6570 | gen_logic_CC(tmp); | |
9ee6e8bb | 6571 | } |
e9bb4aa9 | 6572 | dead_tmp(tmp); |
9ee6e8bb PB |
6573 | break; |
6574 | case 0x0a: | |
6575 | if (set_cc) { | |
e9bb4aa9 | 6576 | gen_helper_sub_cc(tmp, tmp, tmp2); |
9ee6e8bb | 6577 | } |
e9bb4aa9 | 6578 | dead_tmp(tmp); |
9ee6e8bb PB |
6579 | break; |
6580 | case 0x0b: | |
6581 | if (set_cc) { | |
e9bb4aa9 | 6582 | gen_helper_add_cc(tmp, tmp, tmp2); |
9ee6e8bb | 6583 | } |
e9bb4aa9 | 6584 | dead_tmp(tmp); |
9ee6e8bb PB |
6585 | break; |
6586 | case 0x0c: | |
e9bb4aa9 JR |
6587 | tcg_gen_or_i32(tmp, tmp, tmp2); |
6588 | if (logic_cc) { | |
6589 | gen_logic_CC(tmp); | |
6590 | } | |
21aeb343 | 6591 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6592 | break; |
6593 | case 0x0d: | |
6594 | if (logic_cc && rd == 15) { | |
6595 | /* MOVS r15, ... is used for exception return. */ | |
e9bb4aa9 | 6596 | if (IS_USER(s)) { |
9ee6e8bb | 6597 | goto illegal_op; |
e9bb4aa9 JR |
6598 | } |
6599 | gen_exception_return(s, tmp2); | |
9ee6e8bb | 6600 | } else { |
e9bb4aa9 JR |
6601 | if (logic_cc) { |
6602 | gen_logic_CC(tmp2); | |
6603 | } | |
21aeb343 | 6604 | store_reg_bx(env, s, rd, tmp2); |
9ee6e8bb PB |
6605 | } |
6606 | break; | |
6607 | case 0x0e: | |
f669df27 | 6608 | tcg_gen_andc_i32(tmp, tmp, tmp2); |
e9bb4aa9 JR |
6609 | if (logic_cc) { |
6610 | gen_logic_CC(tmp); | |
6611 | } | |
21aeb343 | 6612 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
6613 | break; |
6614 | default: | |
6615 | case 0x0f: | |
e9bb4aa9 JR |
6616 | tcg_gen_not_i32(tmp2, tmp2); |
6617 | if (logic_cc) { | |
6618 | gen_logic_CC(tmp2); | |
6619 | } | |
21aeb343 | 6620 | store_reg_bx(env, s, rd, tmp2); |
9ee6e8bb PB |
6621 | break; |
6622 | } | |
e9bb4aa9 JR |
6623 | if (op1 != 0x0f && op1 != 0x0d) { |
6624 | dead_tmp(tmp2); | |
6625 | } | |
9ee6e8bb PB |
6626 | } else { |
6627 | /* other instructions */ | |
6628 | op1 = (insn >> 24) & 0xf; | |
6629 | switch(op1) { | |
6630 | case 0x0: | |
6631 | case 0x1: | |
6632 | /* multiplies, extra load/stores */ | |
6633 | sh = (insn >> 5) & 3; | |
6634 | if (sh == 0) { | |
6635 | if (op1 == 0x0) { | |
6636 | rd = (insn >> 16) & 0xf; | |
6637 | rn = (insn >> 12) & 0xf; | |
6638 | rs = (insn >> 8) & 0xf; | |
6639 | rm = (insn) & 0xf; | |
6640 | op1 = (insn >> 20) & 0xf; | |
6641 | switch (op1) { | |
6642 | case 0: case 1: case 2: case 3: case 6: | |
6643 | /* 32 bit mul */ | |
5e3f878a PB |
6644 | tmp = load_reg(s, rs); |
6645 | tmp2 = load_reg(s, rm); | |
6646 | tcg_gen_mul_i32(tmp, tmp, tmp2); | |
6647 | dead_tmp(tmp2); | |
9ee6e8bb PB |
6648 | if (insn & (1 << 22)) { |
6649 | /* Subtract (mls) */ | |
6650 | ARCH(6T2); | |
5e3f878a PB |
6651 | tmp2 = load_reg(s, rn); |
6652 | tcg_gen_sub_i32(tmp, tmp2, tmp); | |
6653 | dead_tmp(tmp2); | |
9ee6e8bb PB |
6654 | } else if (insn & (1 << 21)) { |
6655 | /* Add */ | |
5e3f878a PB |
6656 | tmp2 = load_reg(s, rn); |
6657 | tcg_gen_add_i32(tmp, tmp, tmp2); | |
6658 | dead_tmp(tmp2); | |
9ee6e8bb PB |
6659 | } |
6660 | if (insn & (1 << 20)) | |
5e3f878a PB |
6661 | gen_logic_CC(tmp); |
6662 | store_reg(s, rd, tmp); | |
9ee6e8bb | 6663 | break; |
8aac08b1 AJ |
6664 | case 4: |
6665 | /* 64 bit mul double accumulate (UMAAL) */ | |
6666 | ARCH(6); | |
6667 | tmp = load_reg(s, rs); | |
6668 | tmp2 = load_reg(s, rm); | |
6669 | tmp64 = gen_mulu_i64_i32(tmp, tmp2); | |
6670 | gen_addq_lo(s, tmp64, rn); | |
6671 | gen_addq_lo(s, tmp64, rd); | |
6672 | gen_storeq_reg(s, rn, rd, tmp64); | |
6673 | tcg_temp_free_i64(tmp64); | |
6674 | break; | |
6675 | case 8: case 9: case 10: case 11: | |
6676 | case 12: case 13: case 14: case 15: | |
6677 | /* 64 bit mul: UMULL, UMLAL, SMULL, SMLAL. */ | |
5e3f878a PB |
6678 | tmp = load_reg(s, rs); |
6679 | tmp2 = load_reg(s, rm); | |
8aac08b1 | 6680 | if (insn & (1 << 22)) { |
a7812ae4 | 6681 | tmp64 = gen_muls_i64_i32(tmp, tmp2); |
8aac08b1 | 6682 | } else { |
a7812ae4 | 6683 | tmp64 = gen_mulu_i64_i32(tmp, tmp2); |
8aac08b1 AJ |
6684 | } |
6685 | if (insn & (1 << 21)) { /* mult accumulate */ | |
a7812ae4 | 6686 | gen_addq(s, tmp64, rn, rd); |
9ee6e8bb | 6687 | } |
8aac08b1 | 6688 | if (insn & (1 << 20)) { |
a7812ae4 | 6689 | gen_logicq_cc(tmp64); |
8aac08b1 | 6690 | } |
a7812ae4 | 6691 | gen_storeq_reg(s, rn, rd, tmp64); |
b75263d6 | 6692 | tcg_temp_free_i64(tmp64); |
9ee6e8bb | 6693 | break; |
8aac08b1 AJ |
6694 | default: |
6695 | goto illegal_op; | |
9ee6e8bb PB |
6696 | } |
6697 | } else { | |
6698 | rn = (insn >> 16) & 0xf; | |
6699 | rd = (insn >> 12) & 0xf; | |
6700 | if (insn & (1 << 23)) { | |
6701 | /* load/store exclusive */ | |
86753403 PB |
6702 | op1 = (insn >> 21) & 0x3; |
6703 | if (op1) | |
a47f43d2 | 6704 | ARCH(6K); |
86753403 PB |
6705 | else |
6706 | ARCH(6); | |
3174f8e9 | 6707 | addr = tcg_temp_local_new_i32(); |
98a46317 | 6708 | load_reg_var(s, addr, rn); |
9ee6e8bb | 6709 | if (insn & (1 << 20)) { |
86753403 PB |
6710 | switch (op1) { |
6711 | case 0: /* ldrex */ | |
426f5abc | 6712 | gen_load_exclusive(s, rd, 15, addr, 2); |
86753403 PB |
6713 | break; |
6714 | case 1: /* ldrexd */ | |
426f5abc | 6715 | gen_load_exclusive(s, rd, rd + 1, addr, 3); |
86753403 PB |
6716 | break; |
6717 | case 2: /* ldrexb */ | |
426f5abc | 6718 | gen_load_exclusive(s, rd, 15, addr, 0); |
86753403 PB |
6719 | break; |
6720 | case 3: /* ldrexh */ | |
426f5abc | 6721 | gen_load_exclusive(s, rd, 15, addr, 1); |
86753403 PB |
6722 | break; |
6723 | default: | |
6724 | abort(); | |
6725 | } | |
9ee6e8bb PB |
6726 | } else { |
6727 | rm = insn & 0xf; | |
86753403 PB |
6728 | switch (op1) { |
6729 | case 0: /* strex */ | |
426f5abc | 6730 | gen_store_exclusive(s, rd, rm, 15, addr, 2); |
86753403 PB |
6731 | break; |
6732 | case 1: /* strexd */ | |
502e64fe | 6733 | gen_store_exclusive(s, rd, rm, rm + 1, addr, 3); |
86753403 PB |
6734 | break; |
6735 | case 2: /* strexb */ | |
426f5abc | 6736 | gen_store_exclusive(s, rd, rm, 15, addr, 0); |
86753403 PB |
6737 | break; |
6738 | case 3: /* strexh */ | |
426f5abc | 6739 | gen_store_exclusive(s, rd, rm, 15, addr, 1); |
86753403 PB |
6740 | break; |
6741 | default: | |
6742 | abort(); | |
6743 | } | |
9ee6e8bb | 6744 | } |
3174f8e9 | 6745 | tcg_temp_free(addr); |
9ee6e8bb PB |
6746 | } else { |
6747 | /* SWP instruction */ | |
6748 | rm = (insn) & 0xf; | |
6749 | ||
8984bd2e PB |
6750 | /* ??? This is not really atomic. However we know |
6751 | we never have multiple CPUs running in parallel, | |
6752 | so it is good enough. */ | |
6753 | addr = load_reg(s, rn); | |
6754 | tmp = load_reg(s, rm); | |
9ee6e8bb | 6755 | if (insn & (1 << 22)) { |
8984bd2e PB |
6756 | tmp2 = gen_ld8u(addr, IS_USER(s)); |
6757 | gen_st8(tmp, addr, IS_USER(s)); | |
9ee6e8bb | 6758 | } else { |
8984bd2e PB |
6759 | tmp2 = gen_ld32(addr, IS_USER(s)); |
6760 | gen_st32(tmp, addr, IS_USER(s)); | |
9ee6e8bb | 6761 | } |
8984bd2e PB |
6762 | dead_tmp(addr); |
6763 | store_reg(s, rd, tmp2); | |
9ee6e8bb PB |
6764 | } |
6765 | } | |
6766 | } else { | |
6767 | int address_offset; | |
6768 | int load; | |
6769 | /* Misc load/store */ | |
6770 | rn = (insn >> 16) & 0xf; | |
6771 | rd = (insn >> 12) & 0xf; | |
b0109805 | 6772 | addr = load_reg(s, rn); |
9ee6e8bb | 6773 | if (insn & (1 << 24)) |
b0109805 | 6774 | gen_add_datah_offset(s, insn, 0, addr); |
9ee6e8bb PB |
6775 | address_offset = 0; |
6776 | if (insn & (1 << 20)) { | |
6777 | /* load */ | |
6778 | switch(sh) { | |
6779 | case 1: | |
b0109805 | 6780 | tmp = gen_ld16u(addr, IS_USER(s)); |
9ee6e8bb PB |
6781 | break; |
6782 | case 2: | |
b0109805 | 6783 | tmp = gen_ld8s(addr, IS_USER(s)); |
9ee6e8bb PB |
6784 | break; |
6785 | default: | |
6786 | case 3: | |
b0109805 | 6787 | tmp = gen_ld16s(addr, IS_USER(s)); |
9ee6e8bb PB |
6788 | break; |
6789 | } | |
6790 | load = 1; | |
6791 | } else if (sh & 2) { | |
6792 | /* doubleword */ | |
6793 | if (sh & 1) { | |
6794 | /* store */ | |
b0109805 PB |
6795 | tmp = load_reg(s, rd); |
6796 | gen_st32(tmp, addr, IS_USER(s)); | |
6797 | tcg_gen_addi_i32(addr, addr, 4); | |
6798 | tmp = load_reg(s, rd + 1); | |
6799 | gen_st32(tmp, addr, IS_USER(s)); | |
9ee6e8bb PB |
6800 | load = 0; |
6801 | } else { | |
6802 | /* load */ | |
b0109805 PB |
6803 | tmp = gen_ld32(addr, IS_USER(s)); |
6804 | store_reg(s, rd, tmp); | |
6805 | tcg_gen_addi_i32(addr, addr, 4); | |
6806 | tmp = gen_ld32(addr, IS_USER(s)); | |
9ee6e8bb PB |
6807 | rd++; |
6808 | load = 1; | |
6809 | } | |
6810 | address_offset = -4; | |
6811 | } else { | |
6812 | /* store */ | |
b0109805 PB |
6813 | tmp = load_reg(s, rd); |
6814 | gen_st16(tmp, addr, IS_USER(s)); | |
9ee6e8bb PB |
6815 | load = 0; |
6816 | } | |
6817 | /* Perform base writeback before the loaded value to | |
6818 | ensure correct behavior with overlapping index registers. | |
6819 | ldrd with base writeback is is undefined if the | |
6820 | destination and index registers overlap. */ | |
6821 | if (!(insn & (1 << 24))) { | |
b0109805 PB |
6822 | gen_add_datah_offset(s, insn, address_offset, addr); |
6823 | store_reg(s, rn, addr); | |
9ee6e8bb PB |
6824 | } else if (insn & (1 << 21)) { |
6825 | if (address_offset) | |
b0109805 PB |
6826 | tcg_gen_addi_i32(addr, addr, address_offset); |
6827 | store_reg(s, rn, addr); | |
6828 | } else { | |
6829 | dead_tmp(addr); | |
9ee6e8bb PB |
6830 | } |
6831 | if (load) { | |
6832 | /* Complete the load. */ | |
b0109805 | 6833 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6834 | } |
6835 | } | |
6836 | break; | |
6837 | case 0x4: | |
6838 | case 0x5: | |
6839 | goto do_ldst; | |
6840 | case 0x6: | |
6841 | case 0x7: | |
6842 | if (insn & (1 << 4)) { | |
6843 | ARCH(6); | |
6844 | /* Armv6 Media instructions. */ | |
6845 | rm = insn & 0xf; | |
6846 | rn = (insn >> 16) & 0xf; | |
2c0262af | 6847 | rd = (insn >> 12) & 0xf; |
9ee6e8bb PB |
6848 | rs = (insn >> 8) & 0xf; |
6849 | switch ((insn >> 23) & 3) { | |
6850 | case 0: /* Parallel add/subtract. */ | |
6851 | op1 = (insn >> 20) & 7; | |
6ddbc6e4 PB |
6852 | tmp = load_reg(s, rn); |
6853 | tmp2 = load_reg(s, rm); | |
9ee6e8bb PB |
6854 | sh = (insn >> 5) & 7; |
6855 | if ((op1 & 3) == 0 || sh == 5 || sh == 6) | |
6856 | goto illegal_op; | |
6ddbc6e4 PB |
6857 | gen_arm_parallel_addsub(op1, sh, tmp, tmp2); |
6858 | dead_tmp(tmp2); | |
6859 | store_reg(s, rd, tmp); | |
9ee6e8bb PB |
6860 | break; |
6861 | case 1: | |
6862 | if ((insn & 0x00700020) == 0) { | |
6c95676b | 6863 | /* Halfword pack. */ |
3670669c PB |
6864 | tmp = load_reg(s, rn); |
6865 | tmp2 = load_reg(s, rm); | |
9ee6e8bb | 6866 | shift = (insn >> 7) & 0x1f; |
3670669c PB |
6867 | if (insn & (1 << 6)) { |
6868 | /* pkhtb */ | |
22478e79 AZ |
6869 | if (shift == 0) |
6870 | shift = 31; | |
6871 | tcg_gen_sari_i32(tmp2, tmp2, shift); | |
3670669c | 6872 | tcg_gen_andi_i32(tmp, tmp, 0xffff0000); |
86831435 | 6873 | tcg_gen_ext16u_i32(tmp2, tmp2); |
3670669c PB |
6874 | } else { |
6875 | /* pkhbt */ | |
22478e79 AZ |
6876 | if (shift) |
6877 | tcg_gen_shli_i32(tmp2, tmp2, shift); | |
86831435 | 6878 | tcg_gen_ext16u_i32(tmp, tmp); |
3670669c PB |
6879 | tcg_gen_andi_i32(tmp2, tmp2, 0xffff0000); |
6880 | } | |
6881 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
22478e79 | 6882 | dead_tmp(tmp2); |
3670669c | 6883 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6884 | } else if ((insn & 0x00200020) == 0x00200000) { |
6885 | /* [us]sat */ | |
6ddbc6e4 | 6886 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
6887 | shift = (insn >> 7) & 0x1f; |
6888 | if (insn & (1 << 6)) { | |
6889 | if (shift == 0) | |
6890 | shift = 31; | |
6ddbc6e4 | 6891 | tcg_gen_sari_i32(tmp, tmp, shift); |
9ee6e8bb | 6892 | } else { |
6ddbc6e4 | 6893 | tcg_gen_shli_i32(tmp, tmp, shift); |
9ee6e8bb PB |
6894 | } |
6895 | sh = (insn >> 16) & 0x1f; | |
40d3c433 CL |
6896 | tmp2 = tcg_const_i32(sh); |
6897 | if (insn & (1 << 22)) | |
6898 | gen_helper_usat(tmp, tmp, tmp2); | |
6899 | else | |
6900 | gen_helper_ssat(tmp, tmp, tmp2); | |
6901 | tcg_temp_free_i32(tmp2); | |
6ddbc6e4 | 6902 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6903 | } else if ((insn & 0x00300fe0) == 0x00200f20) { |
6904 | /* [us]sat16 */ | |
6ddbc6e4 | 6905 | tmp = load_reg(s, rm); |
9ee6e8bb | 6906 | sh = (insn >> 16) & 0x1f; |
40d3c433 CL |
6907 | tmp2 = tcg_const_i32(sh); |
6908 | if (insn & (1 << 22)) | |
6909 | gen_helper_usat16(tmp, tmp, tmp2); | |
6910 | else | |
6911 | gen_helper_ssat16(tmp, tmp, tmp2); | |
6912 | tcg_temp_free_i32(tmp2); | |
6ddbc6e4 | 6913 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6914 | } else if ((insn & 0x00700fe0) == 0x00000fa0) { |
6915 | /* Select bytes. */ | |
6ddbc6e4 PB |
6916 | tmp = load_reg(s, rn); |
6917 | tmp2 = load_reg(s, rm); | |
6918 | tmp3 = new_tmp(); | |
6919 | tcg_gen_ld_i32(tmp3, cpu_env, offsetof(CPUState, GE)); | |
6920 | gen_helper_sel_flags(tmp, tmp3, tmp, tmp2); | |
6921 | dead_tmp(tmp3); | |
6922 | dead_tmp(tmp2); | |
6923 | store_reg(s, rd, tmp); | |
9ee6e8bb | 6924 | } else if ((insn & 0x000003e0) == 0x00000060) { |
5e3f878a | 6925 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
6926 | shift = (insn >> 10) & 3; |
6927 | /* ??? In many cases it's not neccessary to do a | |
6928 | rotate, a shift is sufficient. */ | |
6929 | if (shift != 0) | |
f669df27 | 6930 | tcg_gen_rotri_i32(tmp, tmp, shift * 8); |
9ee6e8bb PB |
6931 | op1 = (insn >> 20) & 7; |
6932 | switch (op1) { | |
5e3f878a PB |
6933 | case 0: gen_sxtb16(tmp); break; |
6934 | case 2: gen_sxtb(tmp); break; | |
6935 | case 3: gen_sxth(tmp); break; | |
6936 | case 4: gen_uxtb16(tmp); break; | |
6937 | case 6: gen_uxtb(tmp); break; | |
6938 | case 7: gen_uxth(tmp); break; | |
9ee6e8bb PB |
6939 | default: goto illegal_op; |
6940 | } | |
6941 | if (rn != 15) { | |
5e3f878a | 6942 | tmp2 = load_reg(s, rn); |
9ee6e8bb | 6943 | if ((op1 & 3) == 0) { |
5e3f878a | 6944 | gen_add16(tmp, tmp2); |
9ee6e8bb | 6945 | } else { |
5e3f878a PB |
6946 | tcg_gen_add_i32(tmp, tmp, tmp2); |
6947 | dead_tmp(tmp2); | |
9ee6e8bb PB |
6948 | } |
6949 | } | |
6c95676b | 6950 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6951 | } else if ((insn & 0x003f0f60) == 0x003f0f20) { |
6952 | /* rev */ | |
b0109805 | 6953 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
6954 | if (insn & (1 << 22)) { |
6955 | if (insn & (1 << 7)) { | |
b0109805 | 6956 | gen_revsh(tmp); |
9ee6e8bb PB |
6957 | } else { |
6958 | ARCH(6T2); | |
b0109805 | 6959 | gen_helper_rbit(tmp, tmp); |
9ee6e8bb PB |
6960 | } |
6961 | } else { | |
6962 | if (insn & (1 << 7)) | |
b0109805 | 6963 | gen_rev16(tmp); |
9ee6e8bb | 6964 | else |
66896cb8 | 6965 | tcg_gen_bswap32_i32(tmp, tmp); |
9ee6e8bb | 6966 | } |
b0109805 | 6967 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
6968 | } else { |
6969 | goto illegal_op; | |
6970 | } | |
6971 | break; | |
6972 | case 2: /* Multiplies (Type 3). */ | |
5e3f878a PB |
6973 | tmp = load_reg(s, rm); |
6974 | tmp2 = load_reg(s, rs); | |
9ee6e8bb | 6975 | if (insn & (1 << 20)) { |
838fa72d AJ |
6976 | /* Signed multiply most significant [accumulate]. |
6977 | (SMMUL, SMMLA, SMMLS) */ | |
a7812ae4 | 6978 | tmp64 = gen_muls_i64_i32(tmp, tmp2); |
838fa72d | 6979 | |
955a7dd5 | 6980 | if (rd != 15) { |
838fa72d | 6981 | tmp = load_reg(s, rd); |
9ee6e8bb | 6982 | if (insn & (1 << 6)) { |
838fa72d | 6983 | tmp64 = gen_subq_msw(tmp64, tmp); |
9ee6e8bb | 6984 | } else { |
838fa72d | 6985 | tmp64 = gen_addq_msw(tmp64, tmp); |
9ee6e8bb PB |
6986 | } |
6987 | } | |
838fa72d AJ |
6988 | if (insn & (1 << 5)) { |
6989 | tcg_gen_addi_i64(tmp64, tmp64, 0x80000000u); | |
6990 | } | |
6991 | tcg_gen_shri_i64(tmp64, tmp64, 32); | |
6992 | tmp = new_tmp(); | |
6993 | tcg_gen_trunc_i64_i32(tmp, tmp64); | |
6994 | tcg_temp_free_i64(tmp64); | |
955a7dd5 | 6995 | store_reg(s, rn, tmp); |
9ee6e8bb PB |
6996 | } else { |
6997 | if (insn & (1 << 5)) | |
5e3f878a PB |
6998 | gen_swap_half(tmp2); |
6999 | gen_smul_dual(tmp, tmp2); | |
7000 | /* This addition cannot overflow. */ | |
7001 | if (insn & (1 << 6)) { | |
7002 | tcg_gen_sub_i32(tmp, tmp, tmp2); | |
7003 | } else { | |
7004 | tcg_gen_add_i32(tmp, tmp, tmp2); | |
7005 | } | |
7006 | dead_tmp(tmp2); | |
9ee6e8bb | 7007 | if (insn & (1 << 22)) { |
5e3f878a | 7008 | /* smlald, smlsld */ |
a7812ae4 PB |
7009 | tmp64 = tcg_temp_new_i64(); |
7010 | tcg_gen_ext_i32_i64(tmp64, tmp); | |
5e3f878a | 7011 | dead_tmp(tmp); |
a7812ae4 PB |
7012 | gen_addq(s, tmp64, rd, rn); |
7013 | gen_storeq_reg(s, rd, rn, tmp64); | |
b75263d6 | 7014 | tcg_temp_free_i64(tmp64); |
9ee6e8bb | 7015 | } else { |
5e3f878a | 7016 | /* smuad, smusd, smlad, smlsd */ |
22478e79 | 7017 | if (rd != 15) |
9ee6e8bb | 7018 | { |
22478e79 | 7019 | tmp2 = load_reg(s, rd); |
5e3f878a PB |
7020 | gen_helper_add_setq(tmp, tmp, tmp2); |
7021 | dead_tmp(tmp2); | |
9ee6e8bb | 7022 | } |
22478e79 | 7023 | store_reg(s, rn, tmp); |
9ee6e8bb PB |
7024 | } |
7025 | } | |
7026 | break; | |
7027 | case 3: | |
7028 | op1 = ((insn >> 17) & 0x38) | ((insn >> 5) & 7); | |
7029 | switch (op1) { | |
7030 | case 0: /* Unsigned sum of absolute differences. */ | |
6ddbc6e4 PB |
7031 | ARCH(6); |
7032 | tmp = load_reg(s, rm); | |
7033 | tmp2 = load_reg(s, rs); | |
7034 | gen_helper_usad8(tmp, tmp, tmp2); | |
7035 | dead_tmp(tmp2); | |
ded9d295 AZ |
7036 | if (rd != 15) { |
7037 | tmp2 = load_reg(s, rd); | |
6ddbc6e4 PB |
7038 | tcg_gen_add_i32(tmp, tmp, tmp2); |
7039 | dead_tmp(tmp2); | |
9ee6e8bb | 7040 | } |
ded9d295 | 7041 | store_reg(s, rn, tmp); |
9ee6e8bb PB |
7042 | break; |
7043 | case 0x20: case 0x24: case 0x28: case 0x2c: | |
7044 | /* Bitfield insert/clear. */ | |
7045 | ARCH(6T2); | |
7046 | shift = (insn >> 7) & 0x1f; | |
7047 | i = (insn >> 16) & 0x1f; | |
7048 | i = i + 1 - shift; | |
7049 | if (rm == 15) { | |
5e3f878a PB |
7050 | tmp = new_tmp(); |
7051 | tcg_gen_movi_i32(tmp, 0); | |
9ee6e8bb | 7052 | } else { |
5e3f878a | 7053 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
7054 | } |
7055 | if (i != 32) { | |
5e3f878a | 7056 | tmp2 = load_reg(s, rd); |
8f8e3aa4 | 7057 | gen_bfi(tmp, tmp2, tmp, shift, (1u << i) - 1); |
5e3f878a | 7058 | dead_tmp(tmp2); |
9ee6e8bb | 7059 | } |
5e3f878a | 7060 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7061 | break; |
7062 | case 0x12: case 0x16: case 0x1a: case 0x1e: /* sbfx */ | |
7063 | case 0x32: case 0x36: case 0x3a: case 0x3e: /* ubfx */ | |
4cc633c3 | 7064 | ARCH(6T2); |
5e3f878a | 7065 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
7066 | shift = (insn >> 7) & 0x1f; |
7067 | i = ((insn >> 16) & 0x1f) + 1; | |
7068 | if (shift + i > 32) | |
7069 | goto illegal_op; | |
7070 | if (i < 32) { | |
7071 | if (op1 & 0x20) { | |
5e3f878a | 7072 | gen_ubfx(tmp, shift, (1u << i) - 1); |
9ee6e8bb | 7073 | } else { |
5e3f878a | 7074 | gen_sbfx(tmp, shift, i); |
9ee6e8bb PB |
7075 | } |
7076 | } | |
5e3f878a | 7077 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7078 | break; |
7079 | default: | |
7080 | goto illegal_op; | |
7081 | } | |
7082 | break; | |
7083 | } | |
7084 | break; | |
7085 | } | |
7086 | do_ldst: | |
7087 | /* Check for undefined extension instructions | |
7088 | * per the ARM Bible IE: | |
7089 | * xxxx 0111 1111 xxxx xxxx xxxx 1111 xxxx | |
7090 | */ | |
7091 | sh = (0xf << 20) | (0xf << 4); | |
7092 | if (op1 == 0x7 && ((insn & sh) == sh)) | |
7093 | { | |
7094 | goto illegal_op; | |
7095 | } | |
7096 | /* load/store byte/word */ | |
7097 | rn = (insn >> 16) & 0xf; | |
7098 | rd = (insn >> 12) & 0xf; | |
b0109805 | 7099 | tmp2 = load_reg(s, rn); |
9ee6e8bb PB |
7100 | i = (IS_USER(s) || (insn & 0x01200000) == 0x00200000); |
7101 | if (insn & (1 << 24)) | |
b0109805 | 7102 | gen_add_data_offset(s, insn, tmp2); |
9ee6e8bb PB |
7103 | if (insn & (1 << 20)) { |
7104 | /* load */ | |
9ee6e8bb | 7105 | if (insn & (1 << 22)) { |
b0109805 | 7106 | tmp = gen_ld8u(tmp2, i); |
9ee6e8bb | 7107 | } else { |
b0109805 | 7108 | tmp = gen_ld32(tmp2, i); |
9ee6e8bb | 7109 | } |
9ee6e8bb PB |
7110 | } else { |
7111 | /* store */ | |
b0109805 | 7112 | tmp = load_reg(s, rd); |
9ee6e8bb | 7113 | if (insn & (1 << 22)) |
b0109805 | 7114 | gen_st8(tmp, tmp2, i); |
9ee6e8bb | 7115 | else |
b0109805 | 7116 | gen_st32(tmp, tmp2, i); |
9ee6e8bb PB |
7117 | } |
7118 | if (!(insn & (1 << 24))) { | |
b0109805 PB |
7119 | gen_add_data_offset(s, insn, tmp2); |
7120 | store_reg(s, rn, tmp2); | |
7121 | } else if (insn & (1 << 21)) { | |
7122 | store_reg(s, rn, tmp2); | |
7123 | } else { | |
7124 | dead_tmp(tmp2); | |
9ee6e8bb PB |
7125 | } |
7126 | if (insn & (1 << 20)) { | |
7127 | /* Complete the load. */ | |
7128 | if (rd == 15) | |
b0109805 | 7129 | gen_bx(s, tmp); |
9ee6e8bb | 7130 | else |
b0109805 | 7131 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7132 | } |
7133 | break; | |
7134 | case 0x08: | |
7135 | case 0x09: | |
7136 | { | |
7137 | int j, n, user, loaded_base; | |
b0109805 | 7138 | TCGv loaded_var; |
9ee6e8bb PB |
7139 | /* load/store multiple words */ |
7140 | /* XXX: store correct base if write back */ | |
7141 | user = 0; | |
7142 | if (insn & (1 << 22)) { | |
7143 | if (IS_USER(s)) | |
7144 | goto illegal_op; /* only usable in supervisor mode */ | |
7145 | ||
7146 | if ((insn & (1 << 15)) == 0) | |
7147 | user = 1; | |
7148 | } | |
7149 | rn = (insn >> 16) & 0xf; | |
b0109805 | 7150 | addr = load_reg(s, rn); |
9ee6e8bb PB |
7151 | |
7152 | /* compute total size */ | |
7153 | loaded_base = 0; | |
a50f5b91 | 7154 | TCGV_UNUSED(loaded_var); |
9ee6e8bb PB |
7155 | n = 0; |
7156 | for(i=0;i<16;i++) { | |
7157 | if (insn & (1 << i)) | |
7158 | n++; | |
7159 | } | |
7160 | /* XXX: test invalid n == 0 case ? */ | |
7161 | if (insn & (1 << 23)) { | |
7162 | if (insn & (1 << 24)) { | |
7163 | /* pre increment */ | |
b0109805 | 7164 | tcg_gen_addi_i32(addr, addr, 4); |
9ee6e8bb PB |
7165 | } else { |
7166 | /* post increment */ | |
7167 | } | |
7168 | } else { | |
7169 | if (insn & (1 << 24)) { | |
7170 | /* pre decrement */ | |
b0109805 | 7171 | tcg_gen_addi_i32(addr, addr, -(n * 4)); |
9ee6e8bb PB |
7172 | } else { |
7173 | /* post decrement */ | |
7174 | if (n != 1) | |
b0109805 | 7175 | tcg_gen_addi_i32(addr, addr, -((n - 1) * 4)); |
9ee6e8bb PB |
7176 | } |
7177 | } | |
7178 | j = 0; | |
7179 | for(i=0;i<16;i++) { | |
7180 | if (insn & (1 << i)) { | |
7181 | if (insn & (1 << 20)) { | |
7182 | /* load */ | |
b0109805 | 7183 | tmp = gen_ld32(addr, IS_USER(s)); |
9ee6e8bb | 7184 | if (i == 15) { |
b0109805 | 7185 | gen_bx(s, tmp); |
9ee6e8bb | 7186 | } else if (user) { |
b75263d6 JR |
7187 | tmp2 = tcg_const_i32(i); |
7188 | gen_helper_set_user_reg(tmp2, tmp); | |
7189 | tcg_temp_free_i32(tmp2); | |
b0109805 | 7190 | dead_tmp(tmp); |
9ee6e8bb | 7191 | } else if (i == rn) { |
b0109805 | 7192 | loaded_var = tmp; |
9ee6e8bb PB |
7193 | loaded_base = 1; |
7194 | } else { | |
b0109805 | 7195 | store_reg(s, i, tmp); |
9ee6e8bb PB |
7196 | } |
7197 | } else { | |
7198 | /* store */ | |
7199 | if (i == 15) { | |
7200 | /* special case: r15 = PC + 8 */ | |
7201 | val = (long)s->pc + 4; | |
b0109805 PB |
7202 | tmp = new_tmp(); |
7203 | tcg_gen_movi_i32(tmp, val); | |
9ee6e8bb | 7204 | } else if (user) { |
b0109805 | 7205 | tmp = new_tmp(); |
b75263d6 JR |
7206 | tmp2 = tcg_const_i32(i); |
7207 | gen_helper_get_user_reg(tmp, tmp2); | |
7208 | tcg_temp_free_i32(tmp2); | |
9ee6e8bb | 7209 | } else { |
b0109805 | 7210 | tmp = load_reg(s, i); |
9ee6e8bb | 7211 | } |
b0109805 | 7212 | gen_st32(tmp, addr, IS_USER(s)); |
9ee6e8bb PB |
7213 | } |
7214 | j++; | |
7215 | /* no need to add after the last transfer */ | |
7216 | if (j != n) | |
b0109805 | 7217 | tcg_gen_addi_i32(addr, addr, 4); |
9ee6e8bb PB |
7218 | } |
7219 | } | |
7220 | if (insn & (1 << 21)) { | |
7221 | /* write back */ | |
7222 | if (insn & (1 << 23)) { | |
7223 | if (insn & (1 << 24)) { | |
7224 | /* pre increment */ | |
7225 | } else { | |
7226 | /* post increment */ | |
b0109805 | 7227 | tcg_gen_addi_i32(addr, addr, 4); |
9ee6e8bb PB |
7228 | } |
7229 | } else { | |
7230 | if (insn & (1 << 24)) { | |
7231 | /* pre decrement */ | |
7232 | if (n != 1) | |
b0109805 | 7233 | tcg_gen_addi_i32(addr, addr, -((n - 1) * 4)); |
9ee6e8bb PB |
7234 | } else { |
7235 | /* post decrement */ | |
b0109805 | 7236 | tcg_gen_addi_i32(addr, addr, -(n * 4)); |
9ee6e8bb PB |
7237 | } |
7238 | } | |
b0109805 PB |
7239 | store_reg(s, rn, addr); |
7240 | } else { | |
7241 | dead_tmp(addr); | |
9ee6e8bb PB |
7242 | } |
7243 | if (loaded_base) { | |
b0109805 | 7244 | store_reg(s, rn, loaded_var); |
9ee6e8bb PB |
7245 | } |
7246 | if ((insn & (1 << 22)) && !user) { | |
7247 | /* Restore CPSR from SPSR. */ | |
d9ba4830 PB |
7248 | tmp = load_cpu_field(spsr); |
7249 | gen_set_cpsr(tmp, 0xffffffff); | |
7250 | dead_tmp(tmp); | |
9ee6e8bb PB |
7251 | s->is_jmp = DISAS_UPDATE; |
7252 | } | |
7253 | } | |
7254 | break; | |
7255 | case 0xa: | |
7256 | case 0xb: | |
7257 | { | |
7258 | int32_t offset; | |
7259 | ||
7260 | /* branch (and link) */ | |
7261 | val = (int32_t)s->pc; | |
7262 | if (insn & (1 << 24)) { | |
5e3f878a PB |
7263 | tmp = new_tmp(); |
7264 | tcg_gen_movi_i32(tmp, val); | |
7265 | store_reg(s, 14, tmp); | |
9ee6e8bb PB |
7266 | } |
7267 | offset = (((int32_t)insn << 8) >> 8); | |
7268 | val += (offset << 2) + 4; | |
7269 | gen_jmp(s, val); | |
7270 | } | |
7271 | break; | |
7272 | case 0xc: | |
7273 | case 0xd: | |
7274 | case 0xe: | |
7275 | /* Coprocessor. */ | |
7276 | if (disas_coproc_insn(env, s, insn)) | |
7277 | goto illegal_op; | |
7278 | break; | |
7279 | case 0xf: | |
7280 | /* swi */ | |
5e3f878a | 7281 | gen_set_pc_im(s->pc); |
9ee6e8bb PB |
7282 | s->is_jmp = DISAS_SWI; |
7283 | break; | |
7284 | default: | |
7285 | illegal_op: | |
bc4a0de0 | 7286 | gen_exception_insn(s, 4, EXCP_UDEF); |
9ee6e8bb PB |
7287 | break; |
7288 | } | |
7289 | } | |
7290 | } | |
7291 | ||
7292 | /* Return true if this is a Thumb-2 logical op. */ | |
7293 | static int | |
7294 | thumb2_logic_op(int op) | |
7295 | { | |
7296 | return (op < 8); | |
7297 | } | |
7298 | ||
7299 | /* Generate code for a Thumb-2 data processing operation. If CONDS is nonzero | |
7300 | then set condition code flags based on the result of the operation. | |
7301 | If SHIFTER_OUT is nonzero then set the carry flag for logical operations | |
7302 | to the high bit of T1. | |
7303 | Returns zero if the opcode is valid. */ | |
7304 | ||
7305 | static int | |
396e467c | 7306 | gen_thumb2_data_op(DisasContext *s, int op, int conds, uint32_t shifter_out, TCGv t0, TCGv t1) |
9ee6e8bb PB |
7307 | { |
7308 | int logic_cc; | |
7309 | ||
7310 | logic_cc = 0; | |
7311 | switch (op) { | |
7312 | case 0: /* and */ | |
396e467c | 7313 | tcg_gen_and_i32(t0, t0, t1); |
9ee6e8bb PB |
7314 | logic_cc = conds; |
7315 | break; | |
7316 | case 1: /* bic */ | |
f669df27 | 7317 | tcg_gen_andc_i32(t0, t0, t1); |
9ee6e8bb PB |
7318 | logic_cc = conds; |
7319 | break; | |
7320 | case 2: /* orr */ | |
396e467c | 7321 | tcg_gen_or_i32(t0, t0, t1); |
9ee6e8bb PB |
7322 | logic_cc = conds; |
7323 | break; | |
7324 | case 3: /* orn */ | |
396e467c FN |
7325 | tcg_gen_not_i32(t1, t1); |
7326 | tcg_gen_or_i32(t0, t0, t1); | |
9ee6e8bb PB |
7327 | logic_cc = conds; |
7328 | break; | |
7329 | case 4: /* eor */ | |
396e467c | 7330 | tcg_gen_xor_i32(t0, t0, t1); |
9ee6e8bb PB |
7331 | logic_cc = conds; |
7332 | break; | |
7333 | case 8: /* add */ | |
7334 | if (conds) | |
396e467c | 7335 | gen_helper_add_cc(t0, t0, t1); |
9ee6e8bb | 7336 | else |
396e467c | 7337 | tcg_gen_add_i32(t0, t0, t1); |
9ee6e8bb PB |
7338 | break; |
7339 | case 10: /* adc */ | |
7340 | if (conds) | |
396e467c | 7341 | gen_helper_adc_cc(t0, t0, t1); |
9ee6e8bb | 7342 | else |
396e467c | 7343 | gen_adc(t0, t1); |
9ee6e8bb PB |
7344 | break; |
7345 | case 11: /* sbc */ | |
7346 | if (conds) | |
396e467c | 7347 | gen_helper_sbc_cc(t0, t0, t1); |
9ee6e8bb | 7348 | else |
396e467c | 7349 | gen_sub_carry(t0, t0, t1); |
9ee6e8bb PB |
7350 | break; |
7351 | case 13: /* sub */ | |
7352 | if (conds) | |
396e467c | 7353 | gen_helper_sub_cc(t0, t0, t1); |
9ee6e8bb | 7354 | else |
396e467c | 7355 | tcg_gen_sub_i32(t0, t0, t1); |
9ee6e8bb PB |
7356 | break; |
7357 | case 14: /* rsb */ | |
7358 | if (conds) | |
396e467c | 7359 | gen_helper_sub_cc(t0, t1, t0); |
9ee6e8bb | 7360 | else |
396e467c | 7361 | tcg_gen_sub_i32(t0, t1, t0); |
9ee6e8bb PB |
7362 | break; |
7363 | default: /* 5, 6, 7, 9, 12, 15. */ | |
7364 | return 1; | |
7365 | } | |
7366 | if (logic_cc) { | |
396e467c | 7367 | gen_logic_CC(t0); |
9ee6e8bb | 7368 | if (shifter_out) |
396e467c | 7369 | gen_set_CF_bit31(t1); |
9ee6e8bb PB |
7370 | } |
7371 | return 0; | |
7372 | } | |
7373 | ||
7374 | /* Translate a 32-bit thumb instruction. Returns nonzero if the instruction | |
7375 | is not legal. */ | |
7376 | static int disas_thumb2_insn(CPUState *env, DisasContext *s, uint16_t insn_hw1) | |
7377 | { | |
b0109805 | 7378 | uint32_t insn, imm, shift, offset; |
9ee6e8bb | 7379 | uint32_t rd, rn, rm, rs; |
b26eefb6 | 7380 | TCGv tmp; |
6ddbc6e4 PB |
7381 | TCGv tmp2; |
7382 | TCGv tmp3; | |
b0109805 | 7383 | TCGv addr; |
a7812ae4 | 7384 | TCGv_i64 tmp64; |
9ee6e8bb PB |
7385 | int op; |
7386 | int shiftop; | |
7387 | int conds; | |
7388 | int logic_cc; | |
7389 | ||
7390 | if (!(arm_feature(env, ARM_FEATURE_THUMB2) | |
7391 | || arm_feature (env, ARM_FEATURE_M))) { | |
601d70b9 | 7392 | /* Thumb-1 cores may need to treat bl and blx as a pair of |
9ee6e8bb PB |
7393 | 16-bit instructions to get correct prefetch abort behavior. */ |
7394 | insn = insn_hw1; | |
7395 | if ((insn & (1 << 12)) == 0) { | |
7396 | /* Second half of blx. */ | |
7397 | offset = ((insn & 0x7ff) << 1); | |
d9ba4830 PB |
7398 | tmp = load_reg(s, 14); |
7399 | tcg_gen_addi_i32(tmp, tmp, offset); | |
7400 | tcg_gen_andi_i32(tmp, tmp, 0xfffffffc); | |
9ee6e8bb | 7401 | |
d9ba4830 | 7402 | tmp2 = new_tmp(); |
b0109805 | 7403 | tcg_gen_movi_i32(tmp2, s->pc | 1); |
d9ba4830 PB |
7404 | store_reg(s, 14, tmp2); |
7405 | gen_bx(s, tmp); | |
9ee6e8bb PB |
7406 | return 0; |
7407 | } | |
7408 | if (insn & (1 << 11)) { | |
7409 | /* Second half of bl. */ | |
7410 | offset = ((insn & 0x7ff) << 1) | 1; | |
d9ba4830 | 7411 | tmp = load_reg(s, 14); |
6a0d8a1d | 7412 | tcg_gen_addi_i32(tmp, tmp, offset); |
9ee6e8bb | 7413 | |
d9ba4830 | 7414 | tmp2 = new_tmp(); |
b0109805 | 7415 | tcg_gen_movi_i32(tmp2, s->pc | 1); |
d9ba4830 PB |
7416 | store_reg(s, 14, tmp2); |
7417 | gen_bx(s, tmp); | |
9ee6e8bb PB |
7418 | return 0; |
7419 | } | |
7420 | if ((s->pc & ~TARGET_PAGE_MASK) == 0) { | |
7421 | /* Instruction spans a page boundary. Implement it as two | |
7422 | 16-bit instructions in case the second half causes an | |
7423 | prefetch abort. */ | |
7424 | offset = ((int32_t)insn << 21) >> 9; | |
396e467c | 7425 | tcg_gen_movi_i32(cpu_R[14], s->pc + 2 + offset); |
9ee6e8bb PB |
7426 | return 0; |
7427 | } | |
7428 | /* Fall through to 32-bit decode. */ | |
7429 | } | |
7430 | ||
7431 | insn = lduw_code(s->pc); | |
7432 | s->pc += 2; | |
7433 | insn |= (uint32_t)insn_hw1 << 16; | |
7434 | ||
7435 | if ((insn & 0xf800e800) != 0xf000e800) { | |
7436 | ARCH(6T2); | |
7437 | } | |
7438 | ||
7439 | rn = (insn >> 16) & 0xf; | |
7440 | rs = (insn >> 12) & 0xf; | |
7441 | rd = (insn >> 8) & 0xf; | |
7442 | rm = insn & 0xf; | |
7443 | switch ((insn >> 25) & 0xf) { | |
7444 | case 0: case 1: case 2: case 3: | |
7445 | /* 16-bit instructions. Should never happen. */ | |
7446 | abort(); | |
7447 | case 4: | |
7448 | if (insn & (1 << 22)) { | |
7449 | /* Other load/store, table branch. */ | |
7450 | if (insn & 0x01200000) { | |
7451 | /* Load/store doubleword. */ | |
7452 | if (rn == 15) { | |
b0109805 PB |
7453 | addr = new_tmp(); |
7454 | tcg_gen_movi_i32(addr, s->pc & ~3); | |
9ee6e8bb | 7455 | } else { |
b0109805 | 7456 | addr = load_reg(s, rn); |
9ee6e8bb PB |
7457 | } |
7458 | offset = (insn & 0xff) * 4; | |
7459 | if ((insn & (1 << 23)) == 0) | |
7460 | offset = -offset; | |
7461 | if (insn & (1 << 24)) { | |
b0109805 | 7462 | tcg_gen_addi_i32(addr, addr, offset); |
9ee6e8bb PB |
7463 | offset = 0; |
7464 | } | |
7465 | if (insn & (1 << 20)) { | |
7466 | /* ldrd */ | |
b0109805 PB |
7467 | tmp = gen_ld32(addr, IS_USER(s)); |
7468 | store_reg(s, rs, tmp); | |
7469 | tcg_gen_addi_i32(addr, addr, 4); | |
7470 | tmp = gen_ld32(addr, IS_USER(s)); | |
7471 | store_reg(s, rd, tmp); | |
9ee6e8bb PB |
7472 | } else { |
7473 | /* strd */ | |
b0109805 PB |
7474 | tmp = load_reg(s, rs); |
7475 | gen_st32(tmp, addr, IS_USER(s)); | |
7476 | tcg_gen_addi_i32(addr, addr, 4); | |
7477 | tmp = load_reg(s, rd); | |
7478 | gen_st32(tmp, addr, IS_USER(s)); | |
9ee6e8bb PB |
7479 | } |
7480 | if (insn & (1 << 21)) { | |
7481 | /* Base writeback. */ | |
7482 | if (rn == 15) | |
7483 | goto illegal_op; | |
b0109805 PB |
7484 | tcg_gen_addi_i32(addr, addr, offset - 4); |
7485 | store_reg(s, rn, addr); | |
7486 | } else { | |
7487 | dead_tmp(addr); | |
9ee6e8bb PB |
7488 | } |
7489 | } else if ((insn & (1 << 23)) == 0) { | |
7490 | /* Load/store exclusive word. */ | |
3174f8e9 | 7491 | addr = tcg_temp_local_new(); |
98a46317 | 7492 | load_reg_var(s, addr, rn); |
426f5abc | 7493 | tcg_gen_addi_i32(addr, addr, (insn & 0xff) << 2); |
2c0262af | 7494 | if (insn & (1 << 20)) { |
426f5abc | 7495 | gen_load_exclusive(s, rs, 15, addr, 2); |
9ee6e8bb | 7496 | } else { |
426f5abc | 7497 | gen_store_exclusive(s, rd, rs, 15, addr, 2); |
9ee6e8bb | 7498 | } |
3174f8e9 | 7499 | tcg_temp_free(addr); |
9ee6e8bb PB |
7500 | } else if ((insn & (1 << 6)) == 0) { |
7501 | /* Table Branch. */ | |
7502 | if (rn == 15) { | |
b0109805 PB |
7503 | addr = new_tmp(); |
7504 | tcg_gen_movi_i32(addr, s->pc); | |
9ee6e8bb | 7505 | } else { |
b0109805 | 7506 | addr = load_reg(s, rn); |
9ee6e8bb | 7507 | } |
b26eefb6 | 7508 | tmp = load_reg(s, rm); |
b0109805 | 7509 | tcg_gen_add_i32(addr, addr, tmp); |
9ee6e8bb PB |
7510 | if (insn & (1 << 4)) { |
7511 | /* tbh */ | |
b0109805 | 7512 | tcg_gen_add_i32(addr, addr, tmp); |
b26eefb6 | 7513 | dead_tmp(tmp); |
b0109805 | 7514 | tmp = gen_ld16u(addr, IS_USER(s)); |
9ee6e8bb | 7515 | } else { /* tbb */ |
b26eefb6 | 7516 | dead_tmp(tmp); |
b0109805 | 7517 | tmp = gen_ld8u(addr, IS_USER(s)); |
9ee6e8bb | 7518 | } |
b0109805 PB |
7519 | dead_tmp(addr); |
7520 | tcg_gen_shli_i32(tmp, tmp, 1); | |
7521 | tcg_gen_addi_i32(tmp, tmp, s->pc); | |
7522 | store_reg(s, 15, tmp); | |
9ee6e8bb PB |
7523 | } else { |
7524 | /* Load/store exclusive byte/halfword/doubleword. */ | |
426f5abc | 7525 | ARCH(7); |
9ee6e8bb | 7526 | op = (insn >> 4) & 0x3; |
426f5abc PB |
7527 | if (op == 2) { |
7528 | goto illegal_op; | |
7529 | } | |
3174f8e9 | 7530 | addr = tcg_temp_local_new(); |
98a46317 | 7531 | load_reg_var(s, addr, rn); |
9ee6e8bb | 7532 | if (insn & (1 << 20)) { |
426f5abc | 7533 | gen_load_exclusive(s, rs, rd, addr, op); |
9ee6e8bb | 7534 | } else { |
426f5abc | 7535 | gen_store_exclusive(s, rm, rs, rd, addr, op); |
9ee6e8bb | 7536 | } |
3174f8e9 | 7537 | tcg_temp_free(addr); |
9ee6e8bb PB |
7538 | } |
7539 | } else { | |
7540 | /* Load/store multiple, RFE, SRS. */ | |
7541 | if (((insn >> 23) & 1) == ((insn >> 24) & 1)) { | |
7542 | /* Not available in user mode. */ | |
b0109805 | 7543 | if (IS_USER(s)) |
9ee6e8bb PB |
7544 | goto illegal_op; |
7545 | if (insn & (1 << 20)) { | |
7546 | /* rfe */ | |
b0109805 PB |
7547 | addr = load_reg(s, rn); |
7548 | if ((insn & (1 << 24)) == 0) | |
7549 | tcg_gen_addi_i32(addr, addr, -8); | |
7550 | /* Load PC into tmp and CPSR into tmp2. */ | |
7551 | tmp = gen_ld32(addr, 0); | |
7552 | tcg_gen_addi_i32(addr, addr, 4); | |
7553 | tmp2 = gen_ld32(addr, 0); | |
9ee6e8bb PB |
7554 | if (insn & (1 << 21)) { |
7555 | /* Base writeback. */ | |
b0109805 PB |
7556 | if (insn & (1 << 24)) { |
7557 | tcg_gen_addi_i32(addr, addr, 4); | |
7558 | } else { | |
7559 | tcg_gen_addi_i32(addr, addr, -4); | |
7560 | } | |
7561 | store_reg(s, rn, addr); | |
7562 | } else { | |
7563 | dead_tmp(addr); | |
9ee6e8bb | 7564 | } |
b0109805 | 7565 | gen_rfe(s, tmp, tmp2); |
9ee6e8bb PB |
7566 | } else { |
7567 | /* srs */ | |
7568 | op = (insn & 0x1f); | |
39ea3d4e PM |
7569 | addr = new_tmp(); |
7570 | tmp = tcg_const_i32(op); | |
7571 | gen_helper_get_r13_banked(addr, cpu_env, tmp); | |
7572 | tcg_temp_free_i32(tmp); | |
9ee6e8bb | 7573 | if ((insn & (1 << 24)) == 0) { |
b0109805 | 7574 | tcg_gen_addi_i32(addr, addr, -8); |
9ee6e8bb | 7575 | } |
b0109805 PB |
7576 | tmp = load_reg(s, 14); |
7577 | gen_st32(tmp, addr, 0); | |
7578 | tcg_gen_addi_i32(addr, addr, 4); | |
7579 | tmp = new_tmp(); | |
7580 | gen_helper_cpsr_read(tmp); | |
7581 | gen_st32(tmp, addr, 0); | |
9ee6e8bb PB |
7582 | if (insn & (1 << 21)) { |
7583 | if ((insn & (1 << 24)) == 0) { | |
b0109805 | 7584 | tcg_gen_addi_i32(addr, addr, -4); |
9ee6e8bb | 7585 | } else { |
b0109805 | 7586 | tcg_gen_addi_i32(addr, addr, 4); |
9ee6e8bb | 7587 | } |
39ea3d4e PM |
7588 | tmp = tcg_const_i32(op); |
7589 | gen_helper_set_r13_banked(cpu_env, tmp, addr); | |
7590 | tcg_temp_free_i32(tmp); | |
b0109805 PB |
7591 | } else { |
7592 | dead_tmp(addr); | |
9ee6e8bb PB |
7593 | } |
7594 | } | |
7595 | } else { | |
7596 | int i; | |
7597 | /* Load/store multiple. */ | |
b0109805 | 7598 | addr = load_reg(s, rn); |
9ee6e8bb PB |
7599 | offset = 0; |
7600 | for (i = 0; i < 16; i++) { | |
7601 | if (insn & (1 << i)) | |
7602 | offset += 4; | |
7603 | } | |
7604 | if (insn & (1 << 24)) { | |
b0109805 | 7605 | tcg_gen_addi_i32(addr, addr, -offset); |
9ee6e8bb PB |
7606 | } |
7607 | ||
7608 | for (i = 0; i < 16; i++) { | |
7609 | if ((insn & (1 << i)) == 0) | |
7610 | continue; | |
7611 | if (insn & (1 << 20)) { | |
7612 | /* Load. */ | |
b0109805 | 7613 | tmp = gen_ld32(addr, IS_USER(s)); |
9ee6e8bb | 7614 | if (i == 15) { |
b0109805 | 7615 | gen_bx(s, tmp); |
9ee6e8bb | 7616 | } else { |
b0109805 | 7617 | store_reg(s, i, tmp); |
9ee6e8bb PB |
7618 | } |
7619 | } else { | |
7620 | /* Store. */ | |
b0109805 PB |
7621 | tmp = load_reg(s, i); |
7622 | gen_st32(tmp, addr, IS_USER(s)); | |
9ee6e8bb | 7623 | } |
b0109805 | 7624 | tcg_gen_addi_i32(addr, addr, 4); |
9ee6e8bb PB |
7625 | } |
7626 | if (insn & (1 << 21)) { | |
7627 | /* Base register writeback. */ | |
7628 | if (insn & (1 << 24)) { | |
b0109805 | 7629 | tcg_gen_addi_i32(addr, addr, -offset); |
9ee6e8bb PB |
7630 | } |
7631 | /* Fault if writeback register is in register list. */ | |
7632 | if (insn & (1 << rn)) | |
7633 | goto illegal_op; | |
b0109805 PB |
7634 | store_reg(s, rn, addr); |
7635 | } else { | |
7636 | dead_tmp(addr); | |
9ee6e8bb PB |
7637 | } |
7638 | } | |
7639 | } | |
7640 | break; | |
2af9ab77 JB |
7641 | case 5: |
7642 | ||
9ee6e8bb | 7643 | op = (insn >> 21) & 0xf; |
2af9ab77 JB |
7644 | if (op == 6) { |
7645 | /* Halfword pack. */ | |
7646 | tmp = load_reg(s, rn); | |
7647 | tmp2 = load_reg(s, rm); | |
7648 | shift = ((insn >> 10) & 0x1c) | ((insn >> 6) & 0x3); | |
7649 | if (insn & (1 << 5)) { | |
7650 | /* pkhtb */ | |
7651 | if (shift == 0) | |
7652 | shift = 31; | |
7653 | tcg_gen_sari_i32(tmp2, tmp2, shift); | |
7654 | tcg_gen_andi_i32(tmp, tmp, 0xffff0000); | |
7655 | tcg_gen_ext16u_i32(tmp2, tmp2); | |
7656 | } else { | |
7657 | /* pkhbt */ | |
7658 | if (shift) | |
7659 | tcg_gen_shli_i32(tmp2, tmp2, shift); | |
7660 | tcg_gen_ext16u_i32(tmp, tmp); | |
7661 | tcg_gen_andi_i32(tmp2, tmp2, 0xffff0000); | |
7662 | } | |
7663 | tcg_gen_or_i32(tmp, tmp, tmp2); | |
7664 | dead_tmp(tmp2); | |
3174f8e9 FN |
7665 | store_reg(s, rd, tmp); |
7666 | } else { | |
2af9ab77 JB |
7667 | /* Data processing register constant shift. */ |
7668 | if (rn == 15) { | |
7669 | tmp = new_tmp(); | |
7670 | tcg_gen_movi_i32(tmp, 0); | |
7671 | } else { | |
7672 | tmp = load_reg(s, rn); | |
7673 | } | |
7674 | tmp2 = load_reg(s, rm); | |
7675 | ||
7676 | shiftop = (insn >> 4) & 3; | |
7677 | shift = ((insn >> 6) & 3) | ((insn >> 10) & 0x1c); | |
7678 | conds = (insn & (1 << 20)) != 0; | |
7679 | logic_cc = (conds && thumb2_logic_op(op)); | |
7680 | gen_arm_shift_im(tmp2, shiftop, shift, logic_cc); | |
7681 | if (gen_thumb2_data_op(s, op, conds, 0, tmp, tmp2)) | |
7682 | goto illegal_op; | |
7683 | dead_tmp(tmp2); | |
7684 | if (rd != 15) { | |
7685 | store_reg(s, rd, tmp); | |
7686 | } else { | |
7687 | dead_tmp(tmp); | |
7688 | } | |
3174f8e9 | 7689 | } |
9ee6e8bb PB |
7690 | break; |
7691 | case 13: /* Misc data processing. */ | |
7692 | op = ((insn >> 22) & 6) | ((insn >> 7) & 1); | |
7693 | if (op < 4 && (insn & 0xf000) != 0xf000) | |
7694 | goto illegal_op; | |
7695 | switch (op) { | |
7696 | case 0: /* Register controlled shift. */ | |
8984bd2e PB |
7697 | tmp = load_reg(s, rn); |
7698 | tmp2 = load_reg(s, rm); | |
9ee6e8bb PB |
7699 | if ((insn & 0x70) != 0) |
7700 | goto illegal_op; | |
7701 | op = (insn >> 21) & 3; | |
8984bd2e PB |
7702 | logic_cc = (insn & (1 << 20)) != 0; |
7703 | gen_arm_shift_reg(tmp, op, tmp2, logic_cc); | |
7704 | if (logic_cc) | |
7705 | gen_logic_CC(tmp); | |
21aeb343 | 7706 | store_reg_bx(env, s, rd, tmp); |
9ee6e8bb PB |
7707 | break; |
7708 | case 1: /* Sign/zero extend. */ | |
5e3f878a | 7709 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
7710 | shift = (insn >> 4) & 3; |
7711 | /* ??? In many cases it's not neccessary to do a | |
7712 | rotate, a shift is sufficient. */ | |
7713 | if (shift != 0) | |
f669df27 | 7714 | tcg_gen_rotri_i32(tmp, tmp, shift * 8); |
9ee6e8bb PB |
7715 | op = (insn >> 20) & 7; |
7716 | switch (op) { | |
5e3f878a PB |
7717 | case 0: gen_sxth(tmp); break; |
7718 | case 1: gen_uxth(tmp); break; | |
7719 | case 2: gen_sxtb16(tmp); break; | |
7720 | case 3: gen_uxtb16(tmp); break; | |
7721 | case 4: gen_sxtb(tmp); break; | |
7722 | case 5: gen_uxtb(tmp); break; | |
9ee6e8bb PB |
7723 | default: goto illegal_op; |
7724 | } | |
7725 | if (rn != 15) { | |
5e3f878a | 7726 | tmp2 = load_reg(s, rn); |
9ee6e8bb | 7727 | if ((op >> 1) == 1) { |
5e3f878a | 7728 | gen_add16(tmp, tmp2); |
9ee6e8bb | 7729 | } else { |
5e3f878a PB |
7730 | tcg_gen_add_i32(tmp, tmp, tmp2); |
7731 | dead_tmp(tmp2); | |
9ee6e8bb PB |
7732 | } |
7733 | } | |
5e3f878a | 7734 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7735 | break; |
7736 | case 2: /* SIMD add/subtract. */ | |
7737 | op = (insn >> 20) & 7; | |
7738 | shift = (insn >> 4) & 7; | |
7739 | if ((op & 3) == 3 || (shift & 3) == 3) | |
7740 | goto illegal_op; | |
6ddbc6e4 PB |
7741 | tmp = load_reg(s, rn); |
7742 | tmp2 = load_reg(s, rm); | |
7743 | gen_thumb2_parallel_addsub(op, shift, tmp, tmp2); | |
7744 | dead_tmp(tmp2); | |
7745 | store_reg(s, rd, tmp); | |
9ee6e8bb PB |
7746 | break; |
7747 | case 3: /* Other data processing. */ | |
7748 | op = ((insn >> 17) & 0x38) | ((insn >> 4) & 7); | |
7749 | if (op < 4) { | |
7750 | /* Saturating add/subtract. */ | |
d9ba4830 PB |
7751 | tmp = load_reg(s, rn); |
7752 | tmp2 = load_reg(s, rm); | |
9ee6e8bb | 7753 | if (op & 1) |
4809c612 JB |
7754 | gen_helper_double_saturate(tmp, tmp); |
7755 | if (op & 2) | |
d9ba4830 | 7756 | gen_helper_sub_saturate(tmp, tmp2, tmp); |
9ee6e8bb | 7757 | else |
d9ba4830 PB |
7758 | gen_helper_add_saturate(tmp, tmp, tmp2); |
7759 | dead_tmp(tmp2); | |
9ee6e8bb | 7760 | } else { |
d9ba4830 | 7761 | tmp = load_reg(s, rn); |
9ee6e8bb PB |
7762 | switch (op) { |
7763 | case 0x0a: /* rbit */ | |
d9ba4830 | 7764 | gen_helper_rbit(tmp, tmp); |
9ee6e8bb PB |
7765 | break; |
7766 | case 0x08: /* rev */ | |
66896cb8 | 7767 | tcg_gen_bswap32_i32(tmp, tmp); |
9ee6e8bb PB |
7768 | break; |
7769 | case 0x09: /* rev16 */ | |
d9ba4830 | 7770 | gen_rev16(tmp); |
9ee6e8bb PB |
7771 | break; |
7772 | case 0x0b: /* revsh */ | |
d9ba4830 | 7773 | gen_revsh(tmp); |
9ee6e8bb PB |
7774 | break; |
7775 | case 0x10: /* sel */ | |
d9ba4830 | 7776 | tmp2 = load_reg(s, rm); |
6ddbc6e4 PB |
7777 | tmp3 = new_tmp(); |
7778 | tcg_gen_ld_i32(tmp3, cpu_env, offsetof(CPUState, GE)); | |
d9ba4830 | 7779 | gen_helper_sel_flags(tmp, tmp3, tmp, tmp2); |
6ddbc6e4 | 7780 | dead_tmp(tmp3); |
d9ba4830 | 7781 | dead_tmp(tmp2); |
9ee6e8bb PB |
7782 | break; |
7783 | case 0x18: /* clz */ | |
d9ba4830 | 7784 | gen_helper_clz(tmp, tmp); |
9ee6e8bb PB |
7785 | break; |
7786 | default: | |
7787 | goto illegal_op; | |
7788 | } | |
7789 | } | |
d9ba4830 | 7790 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
7791 | break; |
7792 | case 4: case 5: /* 32-bit multiply. Sum of absolute differences. */ | |
7793 | op = (insn >> 4) & 0xf; | |
d9ba4830 PB |
7794 | tmp = load_reg(s, rn); |
7795 | tmp2 = load_reg(s, rm); | |
9ee6e8bb PB |
7796 | switch ((insn >> 20) & 7) { |
7797 | case 0: /* 32 x 32 -> 32 */ | |
d9ba4830 PB |
7798 | tcg_gen_mul_i32(tmp, tmp, tmp2); |
7799 | dead_tmp(tmp2); | |
9ee6e8bb | 7800 | if (rs != 15) { |
d9ba4830 | 7801 | tmp2 = load_reg(s, rs); |
9ee6e8bb | 7802 | if (op) |
d9ba4830 | 7803 | tcg_gen_sub_i32(tmp, tmp2, tmp); |
9ee6e8bb | 7804 | else |
d9ba4830 PB |
7805 | tcg_gen_add_i32(tmp, tmp, tmp2); |
7806 | dead_tmp(tmp2); | |
9ee6e8bb | 7807 | } |
9ee6e8bb PB |
7808 | break; |
7809 | case 1: /* 16 x 16 -> 32 */ | |
d9ba4830 PB |
7810 | gen_mulxy(tmp, tmp2, op & 2, op & 1); |
7811 | dead_tmp(tmp2); | |
9ee6e8bb | 7812 | if (rs != 15) { |
d9ba4830 PB |
7813 | tmp2 = load_reg(s, rs); |
7814 | gen_helper_add_setq(tmp, tmp, tmp2); | |
7815 | dead_tmp(tmp2); | |
9ee6e8bb | 7816 | } |
9ee6e8bb PB |
7817 | break; |
7818 | case 2: /* Dual multiply add. */ | |
7819 | case 4: /* Dual multiply subtract. */ | |
7820 | if (op) | |
d9ba4830 PB |
7821 | gen_swap_half(tmp2); |
7822 | gen_smul_dual(tmp, tmp2); | |
9ee6e8bb PB |
7823 | /* This addition cannot overflow. */ |
7824 | if (insn & (1 << 22)) { | |
d9ba4830 | 7825 | tcg_gen_sub_i32(tmp, tmp, tmp2); |
9ee6e8bb | 7826 | } else { |
d9ba4830 | 7827 | tcg_gen_add_i32(tmp, tmp, tmp2); |
9ee6e8bb | 7828 | } |
d9ba4830 | 7829 | dead_tmp(tmp2); |
9ee6e8bb PB |
7830 | if (rs != 15) |
7831 | { | |
d9ba4830 PB |
7832 | tmp2 = load_reg(s, rs); |
7833 | gen_helper_add_setq(tmp, tmp, tmp2); | |
7834 | dead_tmp(tmp2); | |
9ee6e8bb | 7835 | } |
9ee6e8bb PB |
7836 | break; |
7837 | case 3: /* 32 * 16 -> 32msb */ | |
7838 | if (op) | |
d9ba4830 | 7839 | tcg_gen_sari_i32(tmp2, tmp2, 16); |
9ee6e8bb | 7840 | else |
d9ba4830 | 7841 | gen_sxth(tmp2); |
a7812ae4 PB |
7842 | tmp64 = gen_muls_i64_i32(tmp, tmp2); |
7843 | tcg_gen_shri_i64(tmp64, tmp64, 16); | |
5e3f878a | 7844 | tmp = new_tmp(); |
a7812ae4 | 7845 | tcg_gen_trunc_i64_i32(tmp, tmp64); |
b75263d6 | 7846 | tcg_temp_free_i64(tmp64); |
9ee6e8bb PB |
7847 | if (rs != 15) |
7848 | { | |
d9ba4830 PB |
7849 | tmp2 = load_reg(s, rs); |
7850 | gen_helper_add_setq(tmp, tmp, tmp2); | |
7851 | dead_tmp(tmp2); | |
9ee6e8bb | 7852 | } |
9ee6e8bb | 7853 | break; |
838fa72d AJ |
7854 | case 5: case 6: /* 32 * 32 -> 32msb (SMMUL, SMMLA, SMMLS) */ |
7855 | tmp64 = gen_muls_i64_i32(tmp, tmp2); | |
9ee6e8bb | 7856 | if (rs != 15) { |
838fa72d AJ |
7857 | tmp = load_reg(s, rs); |
7858 | if (insn & (1 << 20)) { | |
7859 | tmp64 = gen_addq_msw(tmp64, tmp); | |
99c475ab | 7860 | } else { |
838fa72d | 7861 | tmp64 = gen_subq_msw(tmp64, tmp); |
99c475ab | 7862 | } |
2c0262af | 7863 | } |
838fa72d AJ |
7864 | if (insn & (1 << 4)) { |
7865 | tcg_gen_addi_i64(tmp64, tmp64, 0x80000000u); | |
7866 | } | |
7867 | tcg_gen_shri_i64(tmp64, tmp64, 32); | |
7868 | tmp = new_tmp(); | |
7869 | tcg_gen_trunc_i64_i32(tmp, tmp64); | |
7870 | tcg_temp_free_i64(tmp64); | |
9ee6e8bb PB |
7871 | break; |
7872 | case 7: /* Unsigned sum of absolute differences. */ | |
d9ba4830 PB |
7873 | gen_helper_usad8(tmp, tmp, tmp2); |
7874 | dead_tmp(tmp2); | |
9ee6e8bb | 7875 | if (rs != 15) { |
d9ba4830 PB |
7876 | tmp2 = load_reg(s, rs); |
7877 | tcg_gen_add_i32(tmp, tmp, tmp2); | |
7878 | dead_tmp(tmp2); | |
5fd46862 | 7879 | } |
9ee6e8bb | 7880 | break; |
2c0262af | 7881 | } |
d9ba4830 | 7882 | store_reg(s, rd, tmp); |
2c0262af | 7883 | break; |
9ee6e8bb PB |
7884 | case 6: case 7: /* 64-bit multiply, Divide. */ |
7885 | op = ((insn >> 4) & 0xf) | ((insn >> 16) & 0x70); | |
5e3f878a PB |
7886 | tmp = load_reg(s, rn); |
7887 | tmp2 = load_reg(s, rm); | |
9ee6e8bb PB |
7888 | if ((op & 0x50) == 0x10) { |
7889 | /* sdiv, udiv */ | |
7890 | if (!arm_feature(env, ARM_FEATURE_DIV)) | |
7891 | goto illegal_op; | |
7892 | if (op & 0x20) | |
5e3f878a | 7893 | gen_helper_udiv(tmp, tmp, tmp2); |
2c0262af | 7894 | else |
5e3f878a PB |
7895 | gen_helper_sdiv(tmp, tmp, tmp2); |
7896 | dead_tmp(tmp2); | |
7897 | store_reg(s, rd, tmp); | |
9ee6e8bb PB |
7898 | } else if ((op & 0xe) == 0xc) { |
7899 | /* Dual multiply accumulate long. */ | |
7900 | if (op & 1) | |
5e3f878a PB |
7901 | gen_swap_half(tmp2); |
7902 | gen_smul_dual(tmp, tmp2); | |
9ee6e8bb | 7903 | if (op & 0x10) { |
5e3f878a | 7904 | tcg_gen_sub_i32(tmp, tmp, tmp2); |
b5ff1b31 | 7905 | } else { |
5e3f878a | 7906 | tcg_gen_add_i32(tmp, tmp, tmp2); |
b5ff1b31 | 7907 | } |
5e3f878a | 7908 | dead_tmp(tmp2); |
a7812ae4 PB |
7909 | /* BUGFIX */ |
7910 | tmp64 = tcg_temp_new_i64(); | |
7911 | tcg_gen_ext_i32_i64(tmp64, tmp); | |
7912 | dead_tmp(tmp); | |
7913 | gen_addq(s, tmp64, rs, rd); | |
7914 | gen_storeq_reg(s, rs, rd, tmp64); | |
b75263d6 | 7915 | tcg_temp_free_i64(tmp64); |
2c0262af | 7916 | } else { |
9ee6e8bb PB |
7917 | if (op & 0x20) { |
7918 | /* Unsigned 64-bit multiply */ | |
a7812ae4 | 7919 | tmp64 = gen_mulu_i64_i32(tmp, tmp2); |
b5ff1b31 | 7920 | } else { |
9ee6e8bb PB |
7921 | if (op & 8) { |
7922 | /* smlalxy */ | |
5e3f878a PB |
7923 | gen_mulxy(tmp, tmp2, op & 2, op & 1); |
7924 | dead_tmp(tmp2); | |
a7812ae4 PB |
7925 | tmp64 = tcg_temp_new_i64(); |
7926 | tcg_gen_ext_i32_i64(tmp64, tmp); | |
5e3f878a | 7927 | dead_tmp(tmp); |
9ee6e8bb PB |
7928 | } else { |
7929 | /* Signed 64-bit multiply */ | |
a7812ae4 | 7930 | tmp64 = gen_muls_i64_i32(tmp, tmp2); |
9ee6e8bb | 7931 | } |
b5ff1b31 | 7932 | } |
9ee6e8bb PB |
7933 | if (op & 4) { |
7934 | /* umaal */ | |
a7812ae4 PB |
7935 | gen_addq_lo(s, tmp64, rs); |
7936 | gen_addq_lo(s, tmp64, rd); | |
9ee6e8bb PB |
7937 | } else if (op & 0x40) { |
7938 | /* 64-bit accumulate. */ | |
a7812ae4 | 7939 | gen_addq(s, tmp64, rs, rd); |
9ee6e8bb | 7940 | } |
a7812ae4 | 7941 | gen_storeq_reg(s, rs, rd, tmp64); |
b75263d6 | 7942 | tcg_temp_free_i64(tmp64); |
5fd46862 | 7943 | } |
2c0262af | 7944 | break; |
9ee6e8bb PB |
7945 | } |
7946 | break; | |
7947 | case 6: case 7: case 14: case 15: | |
7948 | /* Coprocessor. */ | |
7949 | if (((insn >> 24) & 3) == 3) { | |
7950 | /* Translate into the equivalent ARM encoding. */ | |
f06053e3 | 7951 | insn = (insn & 0xe2ffffff) | ((insn & (1 << 28)) >> 4) | (1 << 28); |
9ee6e8bb PB |
7952 | if (disas_neon_data_insn(env, s, insn)) |
7953 | goto illegal_op; | |
7954 | } else { | |
7955 | if (insn & (1 << 28)) | |
7956 | goto illegal_op; | |
7957 | if (disas_coproc_insn (env, s, insn)) | |
7958 | goto illegal_op; | |
7959 | } | |
7960 | break; | |
7961 | case 8: case 9: case 10: case 11: | |
7962 | if (insn & (1 << 15)) { | |
7963 | /* Branches, misc control. */ | |
7964 | if (insn & 0x5000) { | |
7965 | /* Unconditional branch. */ | |
7966 | /* signextend(hw1[10:0]) -> offset[:12]. */ | |
7967 | offset = ((int32_t)insn << 5) >> 9 & ~(int32_t)0xfff; | |
7968 | /* hw1[10:0] -> offset[11:1]. */ | |
7969 | offset |= (insn & 0x7ff) << 1; | |
7970 | /* (~hw2[13, 11] ^ offset[24]) -> offset[23,22] | |
7971 | offset[24:22] already have the same value because of the | |
7972 | sign extension above. */ | |
7973 | offset ^= ((~insn) & (1 << 13)) << 10; | |
7974 | offset ^= ((~insn) & (1 << 11)) << 11; | |
7975 | ||
9ee6e8bb PB |
7976 | if (insn & (1 << 14)) { |
7977 | /* Branch and link. */ | |
3174f8e9 | 7978 | tcg_gen_movi_i32(cpu_R[14], s->pc | 1); |
b5ff1b31 | 7979 | } |
3b46e624 | 7980 | |
b0109805 | 7981 | offset += s->pc; |
9ee6e8bb PB |
7982 | if (insn & (1 << 12)) { |
7983 | /* b/bl */ | |
b0109805 | 7984 | gen_jmp(s, offset); |
9ee6e8bb PB |
7985 | } else { |
7986 | /* blx */ | |
b0109805 PB |
7987 | offset &= ~(uint32_t)2; |
7988 | gen_bx_im(s, offset); | |
2c0262af | 7989 | } |
9ee6e8bb PB |
7990 | } else if (((insn >> 23) & 7) == 7) { |
7991 | /* Misc control */ | |
7992 | if (insn & (1 << 13)) | |
7993 | goto illegal_op; | |
7994 | ||
7995 | if (insn & (1 << 26)) { | |
7996 | /* Secure monitor call (v6Z) */ | |
7997 | goto illegal_op; /* not implemented. */ | |
2c0262af | 7998 | } else { |
9ee6e8bb PB |
7999 | op = (insn >> 20) & 7; |
8000 | switch (op) { | |
8001 | case 0: /* msr cpsr. */ | |
8002 | if (IS_M(env)) { | |
8984bd2e PB |
8003 | tmp = load_reg(s, rn); |
8004 | addr = tcg_const_i32(insn & 0xff); | |
8005 | gen_helper_v7m_msr(cpu_env, addr, tmp); | |
b75263d6 JR |
8006 | tcg_temp_free_i32(addr); |
8007 | dead_tmp(tmp); | |
9ee6e8bb PB |
8008 | gen_lookup_tb(s); |
8009 | break; | |
8010 | } | |
8011 | /* fall through */ | |
8012 | case 1: /* msr spsr. */ | |
8013 | if (IS_M(env)) | |
8014 | goto illegal_op; | |
2fbac54b FN |
8015 | tmp = load_reg(s, rn); |
8016 | if (gen_set_psr(s, | |
9ee6e8bb | 8017 | msr_mask(env, s, (insn >> 8) & 0xf, op == 1), |
2fbac54b | 8018 | op == 1, tmp)) |
9ee6e8bb PB |
8019 | goto illegal_op; |
8020 | break; | |
8021 | case 2: /* cps, nop-hint. */ | |
8022 | if (((insn >> 8) & 7) == 0) { | |
8023 | gen_nop_hint(s, insn & 0xff); | |
8024 | } | |
8025 | /* Implemented as NOP in user mode. */ | |
8026 | if (IS_USER(s)) | |
8027 | break; | |
8028 | offset = 0; | |
8029 | imm = 0; | |
8030 | if (insn & (1 << 10)) { | |
8031 | if (insn & (1 << 7)) | |
8032 | offset |= CPSR_A; | |
8033 | if (insn & (1 << 6)) | |
8034 | offset |= CPSR_I; | |
8035 | if (insn & (1 << 5)) | |
8036 | offset |= CPSR_F; | |
8037 | if (insn & (1 << 9)) | |
8038 | imm = CPSR_A | CPSR_I | CPSR_F; | |
8039 | } | |
8040 | if (insn & (1 << 8)) { | |
8041 | offset |= 0x1f; | |
8042 | imm |= (insn & 0x1f); | |
8043 | } | |
8044 | if (offset) { | |
2fbac54b | 8045 | gen_set_psr_im(s, offset, 0, imm); |
9ee6e8bb PB |
8046 | } |
8047 | break; | |
8048 | case 3: /* Special control operations. */ | |
426f5abc | 8049 | ARCH(7); |
9ee6e8bb PB |
8050 | op = (insn >> 4) & 0xf; |
8051 | switch (op) { | |
8052 | case 2: /* clrex */ | |
426f5abc | 8053 | gen_clrex(s); |
9ee6e8bb PB |
8054 | break; |
8055 | case 4: /* dsb */ | |
8056 | case 5: /* dmb */ | |
8057 | case 6: /* isb */ | |
8058 | /* These execute as NOPs. */ | |
9ee6e8bb PB |
8059 | break; |
8060 | default: | |
8061 | goto illegal_op; | |
8062 | } | |
8063 | break; | |
8064 | case 4: /* bxj */ | |
8065 | /* Trivial implementation equivalent to bx. */ | |
d9ba4830 PB |
8066 | tmp = load_reg(s, rn); |
8067 | gen_bx(s, tmp); | |
9ee6e8bb PB |
8068 | break; |
8069 | case 5: /* Exception return. */ | |
b8b45b68 RV |
8070 | if (IS_USER(s)) { |
8071 | goto illegal_op; | |
8072 | } | |
8073 | if (rn != 14 || rd != 15) { | |
8074 | goto illegal_op; | |
8075 | } | |
8076 | tmp = load_reg(s, rn); | |
8077 | tcg_gen_subi_i32(tmp, tmp, insn & 0xff); | |
8078 | gen_exception_return(s, tmp); | |
8079 | break; | |
9ee6e8bb | 8080 | case 6: /* mrs cpsr. */ |
8984bd2e | 8081 | tmp = new_tmp(); |
9ee6e8bb | 8082 | if (IS_M(env)) { |
8984bd2e PB |
8083 | addr = tcg_const_i32(insn & 0xff); |
8084 | gen_helper_v7m_mrs(tmp, cpu_env, addr); | |
b75263d6 | 8085 | tcg_temp_free_i32(addr); |
9ee6e8bb | 8086 | } else { |
8984bd2e | 8087 | gen_helper_cpsr_read(tmp); |
9ee6e8bb | 8088 | } |
8984bd2e | 8089 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
8090 | break; |
8091 | case 7: /* mrs spsr. */ | |
8092 | /* Not accessible in user mode. */ | |
8093 | if (IS_USER(s) || IS_M(env)) | |
8094 | goto illegal_op; | |
d9ba4830 PB |
8095 | tmp = load_cpu_field(spsr); |
8096 | store_reg(s, rd, tmp); | |
9ee6e8bb | 8097 | break; |
2c0262af FB |
8098 | } |
8099 | } | |
9ee6e8bb PB |
8100 | } else { |
8101 | /* Conditional branch. */ | |
8102 | op = (insn >> 22) & 0xf; | |
8103 | /* Generate a conditional jump to next instruction. */ | |
8104 | s->condlabel = gen_new_label(); | |
d9ba4830 | 8105 | gen_test_cc(op ^ 1, s->condlabel); |
9ee6e8bb PB |
8106 | s->condjmp = 1; |
8107 | ||
8108 | /* offset[11:1] = insn[10:0] */ | |
8109 | offset = (insn & 0x7ff) << 1; | |
8110 | /* offset[17:12] = insn[21:16]. */ | |
8111 | offset |= (insn & 0x003f0000) >> 4; | |
8112 | /* offset[31:20] = insn[26]. */ | |
8113 | offset |= ((int32_t)((insn << 5) & 0x80000000)) >> 11; | |
8114 | /* offset[18] = insn[13]. */ | |
8115 | offset |= (insn & (1 << 13)) << 5; | |
8116 | /* offset[19] = insn[11]. */ | |
8117 | offset |= (insn & (1 << 11)) << 8; | |
8118 | ||
8119 | /* jump to the offset */ | |
b0109805 | 8120 | gen_jmp(s, s->pc + offset); |
9ee6e8bb PB |
8121 | } |
8122 | } else { | |
8123 | /* Data processing immediate. */ | |
8124 | if (insn & (1 << 25)) { | |
8125 | if (insn & (1 << 24)) { | |
8126 | if (insn & (1 << 20)) | |
8127 | goto illegal_op; | |
8128 | /* Bitfield/Saturate. */ | |
8129 | op = (insn >> 21) & 7; | |
8130 | imm = insn & 0x1f; | |
8131 | shift = ((insn >> 6) & 3) | ((insn >> 10) & 0x1c); | |
6ddbc6e4 PB |
8132 | if (rn == 15) { |
8133 | tmp = new_tmp(); | |
8134 | tcg_gen_movi_i32(tmp, 0); | |
8135 | } else { | |
8136 | tmp = load_reg(s, rn); | |
8137 | } | |
9ee6e8bb PB |
8138 | switch (op) { |
8139 | case 2: /* Signed bitfield extract. */ | |
8140 | imm++; | |
8141 | if (shift + imm > 32) | |
8142 | goto illegal_op; | |
8143 | if (imm < 32) | |
6ddbc6e4 | 8144 | gen_sbfx(tmp, shift, imm); |
9ee6e8bb PB |
8145 | break; |
8146 | case 6: /* Unsigned bitfield extract. */ | |
8147 | imm++; | |
8148 | if (shift + imm > 32) | |
8149 | goto illegal_op; | |
8150 | if (imm < 32) | |
6ddbc6e4 | 8151 | gen_ubfx(tmp, shift, (1u << imm) - 1); |
9ee6e8bb PB |
8152 | break; |
8153 | case 3: /* Bitfield insert/clear. */ | |
8154 | if (imm < shift) | |
8155 | goto illegal_op; | |
8156 | imm = imm + 1 - shift; | |
8157 | if (imm != 32) { | |
6ddbc6e4 | 8158 | tmp2 = load_reg(s, rd); |
8f8e3aa4 | 8159 | gen_bfi(tmp, tmp2, tmp, shift, (1u << imm) - 1); |
6ddbc6e4 | 8160 | dead_tmp(tmp2); |
9ee6e8bb PB |
8161 | } |
8162 | break; | |
8163 | case 7: | |
8164 | goto illegal_op; | |
8165 | default: /* Saturate. */ | |
9ee6e8bb PB |
8166 | if (shift) { |
8167 | if (op & 1) | |
6ddbc6e4 | 8168 | tcg_gen_sari_i32(tmp, tmp, shift); |
9ee6e8bb | 8169 | else |
6ddbc6e4 | 8170 | tcg_gen_shli_i32(tmp, tmp, shift); |
9ee6e8bb | 8171 | } |
6ddbc6e4 | 8172 | tmp2 = tcg_const_i32(imm); |
9ee6e8bb PB |
8173 | if (op & 4) { |
8174 | /* Unsigned. */ | |
9ee6e8bb | 8175 | if ((op & 1) && shift == 0) |
6ddbc6e4 | 8176 | gen_helper_usat16(tmp, tmp, tmp2); |
9ee6e8bb | 8177 | else |
6ddbc6e4 | 8178 | gen_helper_usat(tmp, tmp, tmp2); |
2c0262af | 8179 | } else { |
9ee6e8bb | 8180 | /* Signed. */ |
9ee6e8bb | 8181 | if ((op & 1) && shift == 0) |
6ddbc6e4 | 8182 | gen_helper_ssat16(tmp, tmp, tmp2); |
9ee6e8bb | 8183 | else |
6ddbc6e4 | 8184 | gen_helper_ssat(tmp, tmp, tmp2); |
2c0262af | 8185 | } |
b75263d6 | 8186 | tcg_temp_free_i32(tmp2); |
9ee6e8bb | 8187 | break; |
2c0262af | 8188 | } |
6ddbc6e4 | 8189 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
8190 | } else { |
8191 | imm = ((insn & 0x04000000) >> 15) | |
8192 | | ((insn & 0x7000) >> 4) | (insn & 0xff); | |
8193 | if (insn & (1 << 22)) { | |
8194 | /* 16-bit immediate. */ | |
8195 | imm |= (insn >> 4) & 0xf000; | |
8196 | if (insn & (1 << 23)) { | |
8197 | /* movt */ | |
5e3f878a | 8198 | tmp = load_reg(s, rd); |
86831435 | 8199 | tcg_gen_ext16u_i32(tmp, tmp); |
5e3f878a | 8200 | tcg_gen_ori_i32(tmp, tmp, imm << 16); |
2c0262af | 8201 | } else { |
9ee6e8bb | 8202 | /* movw */ |
5e3f878a PB |
8203 | tmp = new_tmp(); |
8204 | tcg_gen_movi_i32(tmp, imm); | |
2c0262af FB |
8205 | } |
8206 | } else { | |
9ee6e8bb PB |
8207 | /* Add/sub 12-bit immediate. */ |
8208 | if (rn == 15) { | |
b0109805 | 8209 | offset = s->pc & ~(uint32_t)3; |
9ee6e8bb | 8210 | if (insn & (1 << 23)) |
b0109805 | 8211 | offset -= imm; |
9ee6e8bb | 8212 | else |
b0109805 | 8213 | offset += imm; |
5e3f878a PB |
8214 | tmp = new_tmp(); |
8215 | tcg_gen_movi_i32(tmp, offset); | |
2c0262af | 8216 | } else { |
5e3f878a | 8217 | tmp = load_reg(s, rn); |
9ee6e8bb | 8218 | if (insn & (1 << 23)) |
5e3f878a | 8219 | tcg_gen_subi_i32(tmp, tmp, imm); |
9ee6e8bb | 8220 | else |
5e3f878a | 8221 | tcg_gen_addi_i32(tmp, tmp, imm); |
2c0262af | 8222 | } |
9ee6e8bb | 8223 | } |
5e3f878a | 8224 | store_reg(s, rd, tmp); |
191abaa2 | 8225 | } |
9ee6e8bb PB |
8226 | } else { |
8227 | int shifter_out = 0; | |
8228 | /* modified 12-bit immediate. */ | |
8229 | shift = ((insn & 0x04000000) >> 23) | ((insn & 0x7000) >> 12); | |
8230 | imm = (insn & 0xff); | |
8231 | switch (shift) { | |
8232 | case 0: /* XY */ | |
8233 | /* Nothing to do. */ | |
8234 | break; | |
8235 | case 1: /* 00XY00XY */ | |
8236 | imm |= imm << 16; | |
8237 | break; | |
8238 | case 2: /* XY00XY00 */ | |
8239 | imm |= imm << 16; | |
8240 | imm <<= 8; | |
8241 | break; | |
8242 | case 3: /* XYXYXYXY */ | |
8243 | imm |= imm << 16; | |
8244 | imm |= imm << 8; | |
8245 | break; | |
8246 | default: /* Rotated constant. */ | |
8247 | shift = (shift << 1) | (imm >> 7); | |
8248 | imm |= 0x80; | |
8249 | imm = imm << (32 - shift); | |
8250 | shifter_out = 1; | |
8251 | break; | |
b5ff1b31 | 8252 | } |
3174f8e9 FN |
8253 | tmp2 = new_tmp(); |
8254 | tcg_gen_movi_i32(tmp2, imm); | |
9ee6e8bb | 8255 | rn = (insn >> 16) & 0xf; |
3174f8e9 FN |
8256 | if (rn == 15) { |
8257 | tmp = new_tmp(); | |
8258 | tcg_gen_movi_i32(tmp, 0); | |
8259 | } else { | |
8260 | tmp = load_reg(s, rn); | |
8261 | } | |
9ee6e8bb PB |
8262 | op = (insn >> 21) & 0xf; |
8263 | if (gen_thumb2_data_op(s, op, (insn & (1 << 20)) != 0, | |
3174f8e9 | 8264 | shifter_out, tmp, tmp2)) |
9ee6e8bb | 8265 | goto illegal_op; |
3174f8e9 | 8266 | dead_tmp(tmp2); |
9ee6e8bb PB |
8267 | rd = (insn >> 8) & 0xf; |
8268 | if (rd != 15) { | |
3174f8e9 FN |
8269 | store_reg(s, rd, tmp); |
8270 | } else { | |
8271 | dead_tmp(tmp); | |
2c0262af | 8272 | } |
2c0262af | 8273 | } |
9ee6e8bb PB |
8274 | } |
8275 | break; | |
8276 | case 12: /* Load/store single data item. */ | |
8277 | { | |
8278 | int postinc = 0; | |
8279 | int writeback = 0; | |
b0109805 | 8280 | int user; |
9ee6e8bb PB |
8281 | if ((insn & 0x01100000) == 0x01000000) { |
8282 | if (disas_neon_ls_insn(env, s, insn)) | |
c1713132 | 8283 | goto illegal_op; |
9ee6e8bb PB |
8284 | break; |
8285 | } | |
a2fdc890 PM |
8286 | op = ((insn >> 21) & 3) | ((insn >> 22) & 4); |
8287 | if (rs == 15) { | |
8288 | if (!(insn & (1 << 20))) { | |
8289 | goto illegal_op; | |
8290 | } | |
8291 | if (op != 2) { | |
8292 | /* Byte or halfword load space with dest == r15 : memory hints. | |
8293 | * Catch them early so we don't emit pointless addressing code. | |
8294 | * This space is a mix of: | |
8295 | * PLD/PLDW/PLI, which we implement as NOPs (note that unlike | |
8296 | * the ARM encodings, PLDW space doesn't UNDEF for non-v7MP | |
8297 | * cores) | |
8298 | * unallocated hints, which must be treated as NOPs | |
8299 | * UNPREDICTABLE space, which we NOP or UNDEF depending on | |
8300 | * which is easiest for the decoding logic | |
8301 | * Some space which must UNDEF | |
8302 | */ | |
8303 | int op1 = (insn >> 23) & 3; | |
8304 | int op2 = (insn >> 6) & 0x3f; | |
8305 | if (op & 2) { | |
8306 | goto illegal_op; | |
8307 | } | |
8308 | if (rn == 15) { | |
8309 | /* UNPREDICTABLE or unallocated hint */ | |
8310 | return 0; | |
8311 | } | |
8312 | if (op1 & 1) { | |
8313 | return 0; /* PLD* or unallocated hint */ | |
8314 | } | |
8315 | if ((op2 == 0) || ((op2 & 0x3c) == 0x30)) { | |
8316 | return 0; /* PLD* or unallocated hint */ | |
8317 | } | |
8318 | /* UNDEF space, or an UNPREDICTABLE */ | |
8319 | return 1; | |
8320 | } | |
8321 | } | |
b0109805 | 8322 | user = IS_USER(s); |
9ee6e8bb | 8323 | if (rn == 15) { |
b0109805 | 8324 | addr = new_tmp(); |
9ee6e8bb PB |
8325 | /* PC relative. */ |
8326 | /* s->pc has already been incremented by 4. */ | |
8327 | imm = s->pc & 0xfffffffc; | |
8328 | if (insn & (1 << 23)) | |
8329 | imm += insn & 0xfff; | |
8330 | else | |
8331 | imm -= insn & 0xfff; | |
b0109805 | 8332 | tcg_gen_movi_i32(addr, imm); |
9ee6e8bb | 8333 | } else { |
b0109805 | 8334 | addr = load_reg(s, rn); |
9ee6e8bb PB |
8335 | if (insn & (1 << 23)) { |
8336 | /* Positive offset. */ | |
8337 | imm = insn & 0xfff; | |
b0109805 | 8338 | tcg_gen_addi_i32(addr, addr, imm); |
9ee6e8bb | 8339 | } else { |
9ee6e8bb | 8340 | imm = insn & 0xff; |
a2fdc890 | 8341 | switch ((insn >> 8) & 7) { |
9ee6e8bb PB |
8342 | case 0: case 8: /* Shifted Register. */ |
8343 | shift = (insn >> 4) & 0xf; | |
8344 | if (shift > 3) | |
18c9b560 | 8345 | goto illegal_op; |
b26eefb6 | 8346 | tmp = load_reg(s, rm); |
9ee6e8bb | 8347 | if (shift) |
b26eefb6 | 8348 | tcg_gen_shli_i32(tmp, tmp, shift); |
b0109805 | 8349 | tcg_gen_add_i32(addr, addr, tmp); |
b26eefb6 | 8350 | dead_tmp(tmp); |
9ee6e8bb PB |
8351 | break; |
8352 | case 4: /* Negative offset. */ | |
b0109805 | 8353 | tcg_gen_addi_i32(addr, addr, -imm); |
9ee6e8bb PB |
8354 | break; |
8355 | case 6: /* User privilege. */ | |
b0109805 PB |
8356 | tcg_gen_addi_i32(addr, addr, imm); |
8357 | user = 1; | |
9ee6e8bb PB |
8358 | break; |
8359 | case 1: /* Post-decrement. */ | |
8360 | imm = -imm; | |
8361 | /* Fall through. */ | |
8362 | case 3: /* Post-increment. */ | |
9ee6e8bb PB |
8363 | postinc = 1; |
8364 | writeback = 1; | |
8365 | break; | |
8366 | case 5: /* Pre-decrement. */ | |
8367 | imm = -imm; | |
8368 | /* Fall through. */ | |
8369 | case 7: /* Pre-increment. */ | |
b0109805 | 8370 | tcg_gen_addi_i32(addr, addr, imm); |
9ee6e8bb PB |
8371 | writeback = 1; |
8372 | break; | |
8373 | default: | |
b7bcbe95 | 8374 | goto illegal_op; |
9ee6e8bb PB |
8375 | } |
8376 | } | |
8377 | } | |
9ee6e8bb PB |
8378 | if (insn & (1 << 20)) { |
8379 | /* Load. */ | |
a2fdc890 PM |
8380 | switch (op) { |
8381 | case 0: tmp = gen_ld8u(addr, user); break; | |
8382 | case 4: tmp = gen_ld8s(addr, user); break; | |
8383 | case 1: tmp = gen_ld16u(addr, user); break; | |
8384 | case 5: tmp = gen_ld16s(addr, user); break; | |
8385 | case 2: tmp = gen_ld32(addr, user); break; | |
8386 | default: goto illegal_op; | |
8387 | } | |
8388 | if (rs == 15) { | |
8389 | gen_bx(s, tmp); | |
9ee6e8bb | 8390 | } else { |
a2fdc890 | 8391 | store_reg(s, rs, tmp); |
9ee6e8bb PB |
8392 | } |
8393 | } else { | |
8394 | /* Store. */ | |
b0109805 | 8395 | tmp = load_reg(s, rs); |
9ee6e8bb | 8396 | switch (op) { |
b0109805 PB |
8397 | case 0: gen_st8(tmp, addr, user); break; |
8398 | case 1: gen_st16(tmp, addr, user); break; | |
8399 | case 2: gen_st32(tmp, addr, user); break; | |
9ee6e8bb | 8400 | default: goto illegal_op; |
b7bcbe95 | 8401 | } |
2c0262af | 8402 | } |
9ee6e8bb | 8403 | if (postinc) |
b0109805 PB |
8404 | tcg_gen_addi_i32(addr, addr, imm); |
8405 | if (writeback) { | |
8406 | store_reg(s, rn, addr); | |
8407 | } else { | |
8408 | dead_tmp(addr); | |
8409 | } | |
9ee6e8bb PB |
8410 | } |
8411 | break; | |
8412 | default: | |
8413 | goto illegal_op; | |
2c0262af | 8414 | } |
9ee6e8bb PB |
8415 | return 0; |
8416 | illegal_op: | |
8417 | return 1; | |
2c0262af FB |
8418 | } |
8419 | ||
9ee6e8bb | 8420 | static void disas_thumb_insn(CPUState *env, DisasContext *s) |
99c475ab FB |
8421 | { |
8422 | uint32_t val, insn, op, rm, rn, rd, shift, cond; | |
8423 | int32_t offset; | |
8424 | int i; | |
b26eefb6 | 8425 | TCGv tmp; |
d9ba4830 | 8426 | TCGv tmp2; |
b0109805 | 8427 | TCGv addr; |
99c475ab | 8428 | |
9ee6e8bb PB |
8429 | if (s->condexec_mask) { |
8430 | cond = s->condexec_cond; | |
bedd2912 JB |
8431 | if (cond != 0x0e) { /* Skip conditional when condition is AL. */ |
8432 | s->condlabel = gen_new_label(); | |
8433 | gen_test_cc(cond ^ 1, s->condlabel); | |
8434 | s->condjmp = 1; | |
8435 | } | |
9ee6e8bb PB |
8436 | } |
8437 | ||
b5ff1b31 | 8438 | insn = lduw_code(s->pc); |
99c475ab | 8439 | s->pc += 2; |
b5ff1b31 | 8440 | |
99c475ab FB |
8441 | switch (insn >> 12) { |
8442 | case 0: case 1: | |
396e467c | 8443 | |
99c475ab FB |
8444 | rd = insn & 7; |
8445 | op = (insn >> 11) & 3; | |
8446 | if (op == 3) { | |
8447 | /* add/subtract */ | |
8448 | rn = (insn >> 3) & 7; | |
396e467c | 8449 | tmp = load_reg(s, rn); |
99c475ab FB |
8450 | if (insn & (1 << 10)) { |
8451 | /* immediate */ | |
396e467c FN |
8452 | tmp2 = new_tmp(); |
8453 | tcg_gen_movi_i32(tmp2, (insn >> 6) & 7); | |
99c475ab FB |
8454 | } else { |
8455 | /* reg */ | |
8456 | rm = (insn >> 6) & 7; | |
396e467c | 8457 | tmp2 = load_reg(s, rm); |
99c475ab | 8458 | } |
9ee6e8bb PB |
8459 | if (insn & (1 << 9)) { |
8460 | if (s->condexec_mask) | |
396e467c | 8461 | tcg_gen_sub_i32(tmp, tmp, tmp2); |
9ee6e8bb | 8462 | else |
396e467c | 8463 | gen_helper_sub_cc(tmp, tmp, tmp2); |
9ee6e8bb PB |
8464 | } else { |
8465 | if (s->condexec_mask) | |
396e467c | 8466 | tcg_gen_add_i32(tmp, tmp, tmp2); |
9ee6e8bb | 8467 | else |
396e467c | 8468 | gen_helper_add_cc(tmp, tmp, tmp2); |
9ee6e8bb | 8469 | } |
396e467c FN |
8470 | dead_tmp(tmp2); |
8471 | store_reg(s, rd, tmp); | |
99c475ab FB |
8472 | } else { |
8473 | /* shift immediate */ | |
8474 | rm = (insn >> 3) & 7; | |
8475 | shift = (insn >> 6) & 0x1f; | |
9a119ff6 PB |
8476 | tmp = load_reg(s, rm); |
8477 | gen_arm_shift_im(tmp, op, shift, s->condexec_mask == 0); | |
8478 | if (!s->condexec_mask) | |
8479 | gen_logic_CC(tmp); | |
8480 | store_reg(s, rd, tmp); | |
99c475ab FB |
8481 | } |
8482 | break; | |
8483 | case 2: case 3: | |
8484 | /* arithmetic large immediate */ | |
8485 | op = (insn >> 11) & 3; | |
8486 | rd = (insn >> 8) & 0x7; | |
396e467c FN |
8487 | if (op == 0) { /* mov */ |
8488 | tmp = new_tmp(); | |
8489 | tcg_gen_movi_i32(tmp, insn & 0xff); | |
9ee6e8bb | 8490 | if (!s->condexec_mask) |
396e467c FN |
8491 | gen_logic_CC(tmp); |
8492 | store_reg(s, rd, tmp); | |
8493 | } else { | |
8494 | tmp = load_reg(s, rd); | |
8495 | tmp2 = new_tmp(); | |
8496 | tcg_gen_movi_i32(tmp2, insn & 0xff); | |
8497 | switch (op) { | |
8498 | case 1: /* cmp */ | |
8499 | gen_helper_sub_cc(tmp, tmp, tmp2); | |
8500 | dead_tmp(tmp); | |
8501 | dead_tmp(tmp2); | |
8502 | break; | |
8503 | case 2: /* add */ | |
8504 | if (s->condexec_mask) | |
8505 | tcg_gen_add_i32(tmp, tmp, tmp2); | |
8506 | else | |
8507 | gen_helper_add_cc(tmp, tmp, tmp2); | |
8508 | dead_tmp(tmp2); | |
8509 | store_reg(s, rd, tmp); | |
8510 | break; | |
8511 | case 3: /* sub */ | |
8512 | if (s->condexec_mask) | |
8513 | tcg_gen_sub_i32(tmp, tmp, tmp2); | |
8514 | else | |
8515 | gen_helper_sub_cc(tmp, tmp, tmp2); | |
8516 | dead_tmp(tmp2); | |
8517 | store_reg(s, rd, tmp); | |
8518 | break; | |
8519 | } | |
99c475ab | 8520 | } |
99c475ab FB |
8521 | break; |
8522 | case 4: | |
8523 | if (insn & (1 << 11)) { | |
8524 | rd = (insn >> 8) & 7; | |
5899f386 FB |
8525 | /* load pc-relative. Bit 1 of PC is ignored. */ |
8526 | val = s->pc + 2 + ((insn & 0xff) * 4); | |
8527 | val &= ~(uint32_t)2; | |
b0109805 PB |
8528 | addr = new_tmp(); |
8529 | tcg_gen_movi_i32(addr, val); | |
8530 | tmp = gen_ld32(addr, IS_USER(s)); | |
8531 | dead_tmp(addr); | |
8532 | store_reg(s, rd, tmp); | |
99c475ab FB |
8533 | break; |
8534 | } | |
8535 | if (insn & (1 << 10)) { | |
8536 | /* data processing extended or blx */ | |
8537 | rd = (insn & 7) | ((insn >> 4) & 8); | |
8538 | rm = (insn >> 3) & 0xf; | |
8539 | op = (insn >> 8) & 3; | |
8540 | switch (op) { | |
8541 | case 0: /* add */ | |
396e467c FN |
8542 | tmp = load_reg(s, rd); |
8543 | tmp2 = load_reg(s, rm); | |
8544 | tcg_gen_add_i32(tmp, tmp, tmp2); | |
8545 | dead_tmp(tmp2); | |
8546 | store_reg(s, rd, tmp); | |
99c475ab FB |
8547 | break; |
8548 | case 1: /* cmp */ | |
396e467c FN |
8549 | tmp = load_reg(s, rd); |
8550 | tmp2 = load_reg(s, rm); | |
8551 | gen_helper_sub_cc(tmp, tmp, tmp2); | |
8552 | dead_tmp(tmp2); | |
8553 | dead_tmp(tmp); | |
99c475ab FB |
8554 | break; |
8555 | case 2: /* mov/cpy */ | |
396e467c FN |
8556 | tmp = load_reg(s, rm); |
8557 | store_reg(s, rd, tmp); | |
99c475ab FB |
8558 | break; |
8559 | case 3:/* branch [and link] exchange thumb register */ | |
b0109805 | 8560 | tmp = load_reg(s, rm); |
99c475ab FB |
8561 | if (insn & (1 << 7)) { |
8562 | val = (uint32_t)s->pc | 1; | |
b0109805 PB |
8563 | tmp2 = new_tmp(); |
8564 | tcg_gen_movi_i32(tmp2, val); | |
8565 | store_reg(s, 14, tmp2); | |
99c475ab | 8566 | } |
d9ba4830 | 8567 | gen_bx(s, tmp); |
99c475ab FB |
8568 | break; |
8569 | } | |
8570 | break; | |
8571 | } | |
8572 | ||
8573 | /* data processing register */ | |
8574 | rd = insn & 7; | |
8575 | rm = (insn >> 3) & 7; | |
8576 | op = (insn >> 6) & 0xf; | |
8577 | if (op == 2 || op == 3 || op == 4 || op == 7) { | |
8578 | /* the shift/rotate ops want the operands backwards */ | |
8579 | val = rm; | |
8580 | rm = rd; | |
8581 | rd = val; | |
8582 | val = 1; | |
8583 | } else { | |
8584 | val = 0; | |
8585 | } | |
8586 | ||
396e467c FN |
8587 | if (op == 9) { /* neg */ |
8588 | tmp = new_tmp(); | |
8589 | tcg_gen_movi_i32(tmp, 0); | |
8590 | } else if (op != 0xf) { /* mvn doesn't read its first operand */ | |
8591 | tmp = load_reg(s, rd); | |
8592 | } else { | |
8593 | TCGV_UNUSED(tmp); | |
8594 | } | |
99c475ab | 8595 | |
396e467c | 8596 | tmp2 = load_reg(s, rm); |
5899f386 | 8597 | switch (op) { |
99c475ab | 8598 | case 0x0: /* and */ |
396e467c | 8599 | tcg_gen_and_i32(tmp, tmp, tmp2); |
9ee6e8bb | 8600 | if (!s->condexec_mask) |
396e467c | 8601 | gen_logic_CC(tmp); |
99c475ab FB |
8602 | break; |
8603 | case 0x1: /* eor */ | |
396e467c | 8604 | tcg_gen_xor_i32(tmp, tmp, tmp2); |
9ee6e8bb | 8605 | if (!s->condexec_mask) |
396e467c | 8606 | gen_logic_CC(tmp); |
99c475ab FB |
8607 | break; |
8608 | case 0x2: /* lsl */ | |
9ee6e8bb | 8609 | if (s->condexec_mask) { |
396e467c | 8610 | gen_helper_shl(tmp2, tmp2, tmp); |
9ee6e8bb | 8611 | } else { |
396e467c FN |
8612 | gen_helper_shl_cc(tmp2, tmp2, tmp); |
8613 | gen_logic_CC(tmp2); | |
9ee6e8bb | 8614 | } |
99c475ab FB |
8615 | break; |
8616 | case 0x3: /* lsr */ | |
9ee6e8bb | 8617 | if (s->condexec_mask) { |
396e467c | 8618 | gen_helper_shr(tmp2, tmp2, tmp); |
9ee6e8bb | 8619 | } else { |
396e467c FN |
8620 | gen_helper_shr_cc(tmp2, tmp2, tmp); |
8621 | gen_logic_CC(tmp2); | |
9ee6e8bb | 8622 | } |
99c475ab FB |
8623 | break; |
8624 | case 0x4: /* asr */ | |
9ee6e8bb | 8625 | if (s->condexec_mask) { |
396e467c | 8626 | gen_helper_sar(tmp2, tmp2, tmp); |
9ee6e8bb | 8627 | } else { |
396e467c FN |
8628 | gen_helper_sar_cc(tmp2, tmp2, tmp); |
8629 | gen_logic_CC(tmp2); | |
9ee6e8bb | 8630 | } |
99c475ab FB |
8631 | break; |
8632 | case 0x5: /* adc */ | |
9ee6e8bb | 8633 | if (s->condexec_mask) |
396e467c | 8634 | gen_adc(tmp, tmp2); |
9ee6e8bb | 8635 | else |
396e467c | 8636 | gen_helper_adc_cc(tmp, tmp, tmp2); |
99c475ab FB |
8637 | break; |
8638 | case 0x6: /* sbc */ | |
9ee6e8bb | 8639 | if (s->condexec_mask) |
396e467c | 8640 | gen_sub_carry(tmp, tmp, tmp2); |
9ee6e8bb | 8641 | else |
396e467c | 8642 | gen_helper_sbc_cc(tmp, tmp, tmp2); |
99c475ab FB |
8643 | break; |
8644 | case 0x7: /* ror */ | |
9ee6e8bb | 8645 | if (s->condexec_mask) { |
f669df27 AJ |
8646 | tcg_gen_andi_i32(tmp, tmp, 0x1f); |
8647 | tcg_gen_rotr_i32(tmp2, tmp2, tmp); | |
9ee6e8bb | 8648 | } else { |
396e467c FN |
8649 | gen_helper_ror_cc(tmp2, tmp2, tmp); |
8650 | gen_logic_CC(tmp2); | |
9ee6e8bb | 8651 | } |
99c475ab FB |
8652 | break; |
8653 | case 0x8: /* tst */ | |
396e467c FN |
8654 | tcg_gen_and_i32(tmp, tmp, tmp2); |
8655 | gen_logic_CC(tmp); | |
99c475ab | 8656 | rd = 16; |
5899f386 | 8657 | break; |
99c475ab | 8658 | case 0x9: /* neg */ |
9ee6e8bb | 8659 | if (s->condexec_mask) |
396e467c | 8660 | tcg_gen_neg_i32(tmp, tmp2); |
9ee6e8bb | 8661 | else |
396e467c | 8662 | gen_helper_sub_cc(tmp, tmp, tmp2); |
99c475ab FB |
8663 | break; |
8664 | case 0xa: /* cmp */ | |
396e467c | 8665 | gen_helper_sub_cc(tmp, tmp, tmp2); |
99c475ab FB |
8666 | rd = 16; |
8667 | break; | |
8668 | case 0xb: /* cmn */ | |
396e467c | 8669 | gen_helper_add_cc(tmp, tmp, tmp2); |
99c475ab FB |
8670 | rd = 16; |
8671 | break; | |
8672 | case 0xc: /* orr */ | |
396e467c | 8673 | tcg_gen_or_i32(tmp, tmp, tmp2); |
9ee6e8bb | 8674 | if (!s->condexec_mask) |
396e467c | 8675 | gen_logic_CC(tmp); |
99c475ab FB |
8676 | break; |
8677 | case 0xd: /* mul */ | |
7b2919a0 | 8678 | tcg_gen_mul_i32(tmp, tmp, tmp2); |
9ee6e8bb | 8679 | if (!s->condexec_mask) |
396e467c | 8680 | gen_logic_CC(tmp); |
99c475ab FB |
8681 | break; |
8682 | case 0xe: /* bic */ | |
f669df27 | 8683 | tcg_gen_andc_i32(tmp, tmp, tmp2); |
9ee6e8bb | 8684 | if (!s->condexec_mask) |
396e467c | 8685 | gen_logic_CC(tmp); |
99c475ab FB |
8686 | break; |
8687 | case 0xf: /* mvn */ | |
396e467c | 8688 | tcg_gen_not_i32(tmp2, tmp2); |
9ee6e8bb | 8689 | if (!s->condexec_mask) |
396e467c | 8690 | gen_logic_CC(tmp2); |
99c475ab | 8691 | val = 1; |
5899f386 | 8692 | rm = rd; |
99c475ab FB |
8693 | break; |
8694 | } | |
8695 | if (rd != 16) { | |
396e467c FN |
8696 | if (val) { |
8697 | store_reg(s, rm, tmp2); | |
8698 | if (op != 0xf) | |
8699 | dead_tmp(tmp); | |
8700 | } else { | |
8701 | store_reg(s, rd, tmp); | |
8702 | dead_tmp(tmp2); | |
8703 | } | |
8704 | } else { | |
8705 | dead_tmp(tmp); | |
8706 | dead_tmp(tmp2); | |
99c475ab FB |
8707 | } |
8708 | break; | |
8709 | ||
8710 | case 5: | |
8711 | /* load/store register offset. */ | |
8712 | rd = insn & 7; | |
8713 | rn = (insn >> 3) & 7; | |
8714 | rm = (insn >> 6) & 7; | |
8715 | op = (insn >> 9) & 7; | |
b0109805 | 8716 | addr = load_reg(s, rn); |
b26eefb6 | 8717 | tmp = load_reg(s, rm); |
b0109805 | 8718 | tcg_gen_add_i32(addr, addr, tmp); |
b26eefb6 | 8719 | dead_tmp(tmp); |
99c475ab FB |
8720 | |
8721 | if (op < 3) /* store */ | |
b0109805 | 8722 | tmp = load_reg(s, rd); |
99c475ab FB |
8723 | |
8724 | switch (op) { | |
8725 | case 0: /* str */ | |
b0109805 | 8726 | gen_st32(tmp, addr, IS_USER(s)); |
99c475ab FB |
8727 | break; |
8728 | case 1: /* strh */ | |
b0109805 | 8729 | gen_st16(tmp, addr, IS_USER(s)); |
99c475ab FB |
8730 | break; |
8731 | case 2: /* strb */ | |
b0109805 | 8732 | gen_st8(tmp, addr, IS_USER(s)); |
99c475ab FB |
8733 | break; |
8734 | case 3: /* ldrsb */ | |
b0109805 | 8735 | tmp = gen_ld8s(addr, IS_USER(s)); |
99c475ab FB |
8736 | break; |
8737 | case 4: /* ldr */ | |
b0109805 | 8738 | tmp = gen_ld32(addr, IS_USER(s)); |
99c475ab FB |
8739 | break; |
8740 | case 5: /* ldrh */ | |
b0109805 | 8741 | tmp = gen_ld16u(addr, IS_USER(s)); |
99c475ab FB |
8742 | break; |
8743 | case 6: /* ldrb */ | |
b0109805 | 8744 | tmp = gen_ld8u(addr, IS_USER(s)); |
99c475ab FB |
8745 | break; |
8746 | case 7: /* ldrsh */ | |
b0109805 | 8747 | tmp = gen_ld16s(addr, IS_USER(s)); |
99c475ab FB |
8748 | break; |
8749 | } | |
8750 | if (op >= 3) /* load */ | |
b0109805 PB |
8751 | store_reg(s, rd, tmp); |
8752 | dead_tmp(addr); | |
99c475ab FB |
8753 | break; |
8754 | ||
8755 | case 6: | |
8756 | /* load/store word immediate offset */ | |
8757 | rd = insn & 7; | |
8758 | rn = (insn >> 3) & 7; | |
b0109805 | 8759 | addr = load_reg(s, rn); |
99c475ab | 8760 | val = (insn >> 4) & 0x7c; |
b0109805 | 8761 | tcg_gen_addi_i32(addr, addr, val); |
99c475ab FB |
8762 | |
8763 | if (insn & (1 << 11)) { | |
8764 | /* load */ | |
b0109805 PB |
8765 | tmp = gen_ld32(addr, IS_USER(s)); |
8766 | store_reg(s, rd, tmp); | |
99c475ab FB |
8767 | } else { |
8768 | /* store */ | |
b0109805 PB |
8769 | tmp = load_reg(s, rd); |
8770 | gen_st32(tmp, addr, IS_USER(s)); | |
99c475ab | 8771 | } |
b0109805 | 8772 | dead_tmp(addr); |
99c475ab FB |
8773 | break; |
8774 | ||
8775 | case 7: | |
8776 | /* load/store byte immediate offset */ | |
8777 | rd = insn & 7; | |
8778 | rn = (insn >> 3) & 7; | |
b0109805 | 8779 | addr = load_reg(s, rn); |
99c475ab | 8780 | val = (insn >> 6) & 0x1f; |
b0109805 | 8781 | tcg_gen_addi_i32(addr, addr, val); |
99c475ab FB |
8782 | |
8783 | if (insn & (1 << 11)) { | |
8784 | /* load */ | |
b0109805 PB |
8785 | tmp = gen_ld8u(addr, IS_USER(s)); |
8786 | store_reg(s, rd, tmp); | |
99c475ab FB |
8787 | } else { |
8788 | /* store */ | |
b0109805 PB |
8789 | tmp = load_reg(s, rd); |
8790 | gen_st8(tmp, addr, IS_USER(s)); | |
99c475ab | 8791 | } |
b0109805 | 8792 | dead_tmp(addr); |
99c475ab FB |
8793 | break; |
8794 | ||
8795 | case 8: | |
8796 | /* load/store halfword immediate offset */ | |
8797 | rd = insn & 7; | |
8798 | rn = (insn >> 3) & 7; | |
b0109805 | 8799 | addr = load_reg(s, rn); |
99c475ab | 8800 | val = (insn >> 5) & 0x3e; |
b0109805 | 8801 | tcg_gen_addi_i32(addr, addr, val); |
99c475ab FB |
8802 | |
8803 | if (insn & (1 << 11)) { | |
8804 | /* load */ | |
b0109805 PB |
8805 | tmp = gen_ld16u(addr, IS_USER(s)); |
8806 | store_reg(s, rd, tmp); | |
99c475ab FB |
8807 | } else { |
8808 | /* store */ | |
b0109805 PB |
8809 | tmp = load_reg(s, rd); |
8810 | gen_st16(tmp, addr, IS_USER(s)); | |
99c475ab | 8811 | } |
b0109805 | 8812 | dead_tmp(addr); |
99c475ab FB |
8813 | break; |
8814 | ||
8815 | case 9: | |
8816 | /* load/store from stack */ | |
8817 | rd = (insn >> 8) & 7; | |
b0109805 | 8818 | addr = load_reg(s, 13); |
99c475ab | 8819 | val = (insn & 0xff) * 4; |
b0109805 | 8820 | tcg_gen_addi_i32(addr, addr, val); |
99c475ab FB |
8821 | |
8822 | if (insn & (1 << 11)) { | |
8823 | /* load */ | |
b0109805 PB |
8824 | tmp = gen_ld32(addr, IS_USER(s)); |
8825 | store_reg(s, rd, tmp); | |
99c475ab FB |
8826 | } else { |
8827 | /* store */ | |
b0109805 PB |
8828 | tmp = load_reg(s, rd); |
8829 | gen_st32(tmp, addr, IS_USER(s)); | |
99c475ab | 8830 | } |
b0109805 | 8831 | dead_tmp(addr); |
99c475ab FB |
8832 | break; |
8833 | ||
8834 | case 10: | |
8835 | /* add to high reg */ | |
8836 | rd = (insn >> 8) & 7; | |
5899f386 FB |
8837 | if (insn & (1 << 11)) { |
8838 | /* SP */ | |
5e3f878a | 8839 | tmp = load_reg(s, 13); |
5899f386 FB |
8840 | } else { |
8841 | /* PC. bit 1 is ignored. */ | |
5e3f878a PB |
8842 | tmp = new_tmp(); |
8843 | tcg_gen_movi_i32(tmp, (s->pc + 2) & ~(uint32_t)2); | |
5899f386 | 8844 | } |
99c475ab | 8845 | val = (insn & 0xff) * 4; |
5e3f878a PB |
8846 | tcg_gen_addi_i32(tmp, tmp, val); |
8847 | store_reg(s, rd, tmp); | |
99c475ab FB |
8848 | break; |
8849 | ||
8850 | case 11: | |
8851 | /* misc */ | |
8852 | op = (insn >> 8) & 0xf; | |
8853 | switch (op) { | |
8854 | case 0: | |
8855 | /* adjust stack pointer */ | |
b26eefb6 | 8856 | tmp = load_reg(s, 13); |
99c475ab FB |
8857 | val = (insn & 0x7f) * 4; |
8858 | if (insn & (1 << 7)) | |
6a0d8a1d | 8859 | val = -(int32_t)val; |
b26eefb6 PB |
8860 | tcg_gen_addi_i32(tmp, tmp, val); |
8861 | store_reg(s, 13, tmp); | |
99c475ab FB |
8862 | break; |
8863 | ||
9ee6e8bb PB |
8864 | case 2: /* sign/zero extend. */ |
8865 | ARCH(6); | |
8866 | rd = insn & 7; | |
8867 | rm = (insn >> 3) & 7; | |
b0109805 | 8868 | tmp = load_reg(s, rm); |
9ee6e8bb | 8869 | switch ((insn >> 6) & 3) { |
b0109805 PB |
8870 | case 0: gen_sxth(tmp); break; |
8871 | case 1: gen_sxtb(tmp); break; | |
8872 | case 2: gen_uxth(tmp); break; | |
8873 | case 3: gen_uxtb(tmp); break; | |
9ee6e8bb | 8874 | } |
b0109805 | 8875 | store_reg(s, rd, tmp); |
9ee6e8bb | 8876 | break; |
99c475ab FB |
8877 | case 4: case 5: case 0xc: case 0xd: |
8878 | /* push/pop */ | |
b0109805 | 8879 | addr = load_reg(s, 13); |
5899f386 FB |
8880 | if (insn & (1 << 8)) |
8881 | offset = 4; | |
99c475ab | 8882 | else |
5899f386 FB |
8883 | offset = 0; |
8884 | for (i = 0; i < 8; i++) { | |
8885 | if (insn & (1 << i)) | |
8886 | offset += 4; | |
8887 | } | |
8888 | if ((insn & (1 << 11)) == 0) { | |
b0109805 | 8889 | tcg_gen_addi_i32(addr, addr, -offset); |
5899f386 | 8890 | } |
99c475ab FB |
8891 | for (i = 0; i < 8; i++) { |
8892 | if (insn & (1 << i)) { | |
8893 | if (insn & (1 << 11)) { | |
8894 | /* pop */ | |
b0109805 PB |
8895 | tmp = gen_ld32(addr, IS_USER(s)); |
8896 | store_reg(s, i, tmp); | |
99c475ab FB |
8897 | } else { |
8898 | /* push */ | |
b0109805 PB |
8899 | tmp = load_reg(s, i); |
8900 | gen_st32(tmp, addr, IS_USER(s)); | |
99c475ab | 8901 | } |
5899f386 | 8902 | /* advance to the next address. */ |
b0109805 | 8903 | tcg_gen_addi_i32(addr, addr, 4); |
99c475ab FB |
8904 | } |
8905 | } | |
a50f5b91 | 8906 | TCGV_UNUSED(tmp); |
99c475ab FB |
8907 | if (insn & (1 << 8)) { |
8908 | if (insn & (1 << 11)) { | |
8909 | /* pop pc */ | |
b0109805 | 8910 | tmp = gen_ld32(addr, IS_USER(s)); |
99c475ab FB |
8911 | /* don't set the pc until the rest of the instruction |
8912 | has completed */ | |
8913 | } else { | |
8914 | /* push lr */ | |
b0109805 PB |
8915 | tmp = load_reg(s, 14); |
8916 | gen_st32(tmp, addr, IS_USER(s)); | |
99c475ab | 8917 | } |
b0109805 | 8918 | tcg_gen_addi_i32(addr, addr, 4); |
99c475ab | 8919 | } |
5899f386 | 8920 | if ((insn & (1 << 11)) == 0) { |
b0109805 | 8921 | tcg_gen_addi_i32(addr, addr, -offset); |
5899f386 | 8922 | } |
99c475ab | 8923 | /* write back the new stack pointer */ |
b0109805 | 8924 | store_reg(s, 13, addr); |
99c475ab FB |
8925 | /* set the new PC value */ |
8926 | if ((insn & 0x0900) == 0x0900) | |
b0109805 | 8927 | gen_bx(s, tmp); |
99c475ab FB |
8928 | break; |
8929 | ||
9ee6e8bb PB |
8930 | case 1: case 3: case 9: case 11: /* czb */ |
8931 | rm = insn & 7; | |
d9ba4830 | 8932 | tmp = load_reg(s, rm); |
9ee6e8bb PB |
8933 | s->condlabel = gen_new_label(); |
8934 | s->condjmp = 1; | |
8935 | if (insn & (1 << 11)) | |
cb63669a | 8936 | tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, s->condlabel); |
9ee6e8bb | 8937 | else |
cb63669a | 8938 | tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, s->condlabel); |
d9ba4830 | 8939 | dead_tmp(tmp); |
9ee6e8bb PB |
8940 | offset = ((insn & 0xf8) >> 2) | (insn & 0x200) >> 3; |
8941 | val = (uint32_t)s->pc + 2; | |
8942 | val += offset; | |
8943 | gen_jmp(s, val); | |
8944 | break; | |
8945 | ||
8946 | case 15: /* IT, nop-hint. */ | |
8947 | if ((insn & 0xf) == 0) { | |
8948 | gen_nop_hint(s, (insn >> 4) & 0xf); | |
8949 | break; | |
8950 | } | |
8951 | /* If Then. */ | |
8952 | s->condexec_cond = (insn >> 4) & 0xe; | |
8953 | s->condexec_mask = insn & 0x1f; | |
8954 | /* No actual code generated for this insn, just setup state. */ | |
8955 | break; | |
8956 | ||
06c949e6 | 8957 | case 0xe: /* bkpt */ |
bc4a0de0 | 8958 | gen_exception_insn(s, 2, EXCP_BKPT); |
06c949e6 PB |
8959 | break; |
8960 | ||
9ee6e8bb PB |
8961 | case 0xa: /* rev */ |
8962 | ARCH(6); | |
8963 | rn = (insn >> 3) & 0x7; | |
8964 | rd = insn & 0x7; | |
b0109805 | 8965 | tmp = load_reg(s, rn); |
9ee6e8bb | 8966 | switch ((insn >> 6) & 3) { |
66896cb8 | 8967 | case 0: tcg_gen_bswap32_i32(tmp, tmp); break; |
b0109805 PB |
8968 | case 1: gen_rev16(tmp); break; |
8969 | case 3: gen_revsh(tmp); break; | |
9ee6e8bb PB |
8970 | default: goto illegal_op; |
8971 | } | |
b0109805 | 8972 | store_reg(s, rd, tmp); |
9ee6e8bb PB |
8973 | break; |
8974 | ||
8975 | case 6: /* cps */ | |
8976 | ARCH(6); | |
8977 | if (IS_USER(s)) | |
8978 | break; | |
8979 | if (IS_M(env)) { | |
8984bd2e | 8980 | tmp = tcg_const_i32((insn & (1 << 4)) != 0); |
9ee6e8bb | 8981 | /* PRIMASK */ |
8984bd2e PB |
8982 | if (insn & 1) { |
8983 | addr = tcg_const_i32(16); | |
8984 | gen_helper_v7m_msr(cpu_env, addr, tmp); | |
b75263d6 | 8985 | tcg_temp_free_i32(addr); |
8984bd2e | 8986 | } |
9ee6e8bb | 8987 | /* FAULTMASK */ |
8984bd2e PB |
8988 | if (insn & 2) { |
8989 | addr = tcg_const_i32(17); | |
8990 | gen_helper_v7m_msr(cpu_env, addr, tmp); | |
b75263d6 | 8991 | tcg_temp_free_i32(addr); |
8984bd2e | 8992 | } |
b75263d6 | 8993 | tcg_temp_free_i32(tmp); |
9ee6e8bb PB |
8994 | gen_lookup_tb(s); |
8995 | } else { | |
8996 | if (insn & (1 << 4)) | |
8997 | shift = CPSR_A | CPSR_I | CPSR_F; | |
8998 | else | |
8999 | shift = 0; | |
fa26df03 | 9000 | gen_set_psr_im(s, ((insn & 7) << 6), 0, shift); |
9ee6e8bb PB |
9001 | } |
9002 | break; | |
9003 | ||
99c475ab FB |
9004 | default: |
9005 | goto undef; | |
9006 | } | |
9007 | break; | |
9008 | ||
9009 | case 12: | |
9010 | /* load/store multiple */ | |
9011 | rn = (insn >> 8) & 0x7; | |
b0109805 | 9012 | addr = load_reg(s, rn); |
99c475ab FB |
9013 | for (i = 0; i < 8; i++) { |
9014 | if (insn & (1 << i)) { | |
99c475ab FB |
9015 | if (insn & (1 << 11)) { |
9016 | /* load */ | |
b0109805 PB |
9017 | tmp = gen_ld32(addr, IS_USER(s)); |
9018 | store_reg(s, i, tmp); | |
99c475ab FB |
9019 | } else { |
9020 | /* store */ | |
b0109805 PB |
9021 | tmp = load_reg(s, i); |
9022 | gen_st32(tmp, addr, IS_USER(s)); | |
99c475ab | 9023 | } |
5899f386 | 9024 | /* advance to the next address */ |
b0109805 | 9025 | tcg_gen_addi_i32(addr, addr, 4); |
99c475ab FB |
9026 | } |
9027 | } | |
5899f386 | 9028 | /* Base register writeback. */ |
b0109805 PB |
9029 | if ((insn & (1 << rn)) == 0) { |
9030 | store_reg(s, rn, addr); | |
9031 | } else { | |
9032 | dead_tmp(addr); | |
9033 | } | |
99c475ab FB |
9034 | break; |
9035 | ||
9036 | case 13: | |
9037 | /* conditional branch or swi */ | |
9038 | cond = (insn >> 8) & 0xf; | |
9039 | if (cond == 0xe) | |
9040 | goto undef; | |
9041 | ||
9042 | if (cond == 0xf) { | |
9043 | /* swi */ | |
422ebf69 | 9044 | gen_set_pc_im(s->pc); |
9ee6e8bb | 9045 | s->is_jmp = DISAS_SWI; |
99c475ab FB |
9046 | break; |
9047 | } | |
9048 | /* generate a conditional jump to next instruction */ | |
e50e6a20 | 9049 | s->condlabel = gen_new_label(); |
d9ba4830 | 9050 | gen_test_cc(cond ^ 1, s->condlabel); |
e50e6a20 | 9051 | s->condjmp = 1; |
99c475ab FB |
9052 | |
9053 | /* jump to the offset */ | |
5899f386 | 9054 | val = (uint32_t)s->pc + 2; |
99c475ab | 9055 | offset = ((int32_t)insn << 24) >> 24; |
5899f386 | 9056 | val += offset << 1; |
8aaca4c0 | 9057 | gen_jmp(s, val); |
99c475ab FB |
9058 | break; |
9059 | ||
9060 | case 14: | |
358bf29e | 9061 | if (insn & (1 << 11)) { |
9ee6e8bb PB |
9062 | if (disas_thumb2_insn(env, s, insn)) |
9063 | goto undef32; | |
358bf29e PB |
9064 | break; |
9065 | } | |
9ee6e8bb | 9066 | /* unconditional branch */ |
99c475ab FB |
9067 | val = (uint32_t)s->pc; |
9068 | offset = ((int32_t)insn << 21) >> 21; | |
9069 | val += (offset << 1) + 2; | |
8aaca4c0 | 9070 | gen_jmp(s, val); |
99c475ab FB |
9071 | break; |
9072 | ||
9073 | case 15: | |
9ee6e8bb | 9074 | if (disas_thumb2_insn(env, s, insn)) |
6a0d8a1d | 9075 | goto undef32; |
9ee6e8bb | 9076 | break; |
99c475ab FB |
9077 | } |
9078 | return; | |
9ee6e8bb | 9079 | undef32: |
bc4a0de0 | 9080 | gen_exception_insn(s, 4, EXCP_UDEF); |
9ee6e8bb PB |
9081 | return; |
9082 | illegal_op: | |
99c475ab | 9083 | undef: |
bc4a0de0 | 9084 | gen_exception_insn(s, 2, EXCP_UDEF); |
99c475ab FB |
9085 | } |
9086 | ||
2c0262af FB |
9087 | /* generate intermediate code in gen_opc_buf and gen_opparam_buf for |
9088 | basic block 'tb'. If search_pc is TRUE, also generate PC | |
9089 | information for each intermediate instruction. */ | |
2cfc5f17 TS |
9090 | static inline void gen_intermediate_code_internal(CPUState *env, |
9091 | TranslationBlock *tb, | |
9092 | int search_pc) | |
2c0262af FB |
9093 | { |
9094 | DisasContext dc1, *dc = &dc1; | |
a1d1bb31 | 9095 | CPUBreakpoint *bp; |
2c0262af FB |
9096 | uint16_t *gen_opc_end; |
9097 | int j, lj; | |
0fa85d43 | 9098 | target_ulong pc_start; |
b5ff1b31 | 9099 | uint32_t next_page_start; |
2e70f6ef PB |
9100 | int num_insns; |
9101 | int max_insns; | |
3b46e624 | 9102 | |
2c0262af | 9103 | /* generate intermediate code */ |
b26eefb6 | 9104 | num_temps = 0; |
b26eefb6 | 9105 | |
0fa85d43 | 9106 | pc_start = tb->pc; |
3b46e624 | 9107 | |
2c0262af FB |
9108 | dc->tb = tb; |
9109 | ||
2c0262af | 9110 | gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
2c0262af FB |
9111 | |
9112 | dc->is_jmp = DISAS_NEXT; | |
9113 | dc->pc = pc_start; | |
8aaca4c0 | 9114 | dc->singlestep_enabled = env->singlestep_enabled; |
e50e6a20 | 9115 | dc->condjmp = 0; |
7204ab88 | 9116 | dc->thumb = ARM_TBFLAG_THUMB(tb->flags); |
98eac7ca PM |
9117 | dc->condexec_mask = (ARM_TBFLAG_CONDEXEC(tb->flags) & 0xf) << 1; |
9118 | dc->condexec_cond = ARM_TBFLAG_CONDEXEC(tb->flags) >> 4; | |
b5ff1b31 | 9119 | #if !defined(CONFIG_USER_ONLY) |
61f74d6a | 9120 | dc->user = (ARM_TBFLAG_PRIV(tb->flags) == 0); |
b5ff1b31 | 9121 | #endif |
5df8bac1 | 9122 | dc->vfp_enabled = ARM_TBFLAG_VFPEN(tb->flags); |
69d1fc22 PM |
9123 | dc->vec_len = ARM_TBFLAG_VECLEN(tb->flags); |
9124 | dc->vec_stride = ARM_TBFLAG_VECSTRIDE(tb->flags); | |
a7812ae4 PB |
9125 | cpu_F0s = tcg_temp_new_i32(); |
9126 | cpu_F1s = tcg_temp_new_i32(); | |
9127 | cpu_F0d = tcg_temp_new_i64(); | |
9128 | cpu_F1d = tcg_temp_new_i64(); | |
ad69471c PB |
9129 | cpu_V0 = cpu_F0d; |
9130 | cpu_V1 = cpu_F1d; | |
e677137d | 9131 | /* FIXME: cpu_M0 can probably be the same as cpu_V0. */ |
a7812ae4 | 9132 | cpu_M0 = tcg_temp_new_i64(); |
b5ff1b31 | 9133 | next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE; |
2c0262af | 9134 | lj = -1; |
2e70f6ef PB |
9135 | num_insns = 0; |
9136 | max_insns = tb->cflags & CF_COUNT_MASK; | |
9137 | if (max_insns == 0) | |
9138 | max_insns = CF_COUNT_MASK; | |
9139 | ||
9140 | gen_icount_start(); | |
e12ce78d PM |
9141 | |
9142 | /* A note on handling of the condexec (IT) bits: | |
9143 | * | |
9144 | * We want to avoid the overhead of having to write the updated condexec | |
9145 | * bits back to the CPUState for every instruction in an IT block. So: | |
9146 | * (1) if the condexec bits are not already zero then we write | |
9147 | * zero back into the CPUState now. This avoids complications trying | |
9148 | * to do it at the end of the block. (For example if we don't do this | |
9149 | * it's hard to identify whether we can safely skip writing condexec | |
9150 | * at the end of the TB, which we definitely want to do for the case | |
9151 | * where a TB doesn't do anything with the IT state at all.) | |
9152 | * (2) if we are going to leave the TB then we call gen_set_condexec() | |
9153 | * which will write the correct value into CPUState if zero is wrong. | |
9154 | * This is done both for leaving the TB at the end, and for leaving | |
9155 | * it because of an exception we know will happen, which is done in | |
9156 | * gen_exception_insn(). The latter is necessary because we need to | |
9157 | * leave the TB with the PC/IT state just prior to execution of the | |
9158 | * instruction which caused the exception. | |
9159 | * (3) if we leave the TB unexpectedly (eg a data abort on a load) | |
9160 | * then the CPUState will be wrong and we need to reset it. | |
9161 | * This is handled in the same way as restoration of the | |
9162 | * PC in these situations: we will be called again with search_pc=1 | |
9163 | * and generate a mapping of the condexec bits for each PC in | |
9164 | * gen_opc_condexec_bits[]. gen_pc_load[] then uses this to restore | |
9165 | * the condexec bits. | |
9166 | * | |
9167 | * Note that there are no instructions which can read the condexec | |
9168 | * bits, and none which can write non-static values to them, so | |
9169 | * we don't need to care about whether CPUState is correct in the | |
9170 | * middle of a TB. | |
9171 | */ | |
9172 | ||
9ee6e8bb PB |
9173 | /* Reset the conditional execution bits immediately. This avoids |
9174 | complications trying to do it at the end of the block. */ | |
98eac7ca | 9175 | if (dc->condexec_mask || dc->condexec_cond) |
8f01245e PB |
9176 | { |
9177 | TCGv tmp = new_tmp(); | |
9178 | tcg_gen_movi_i32(tmp, 0); | |
d9ba4830 | 9179 | store_cpu_field(tmp, condexec_bits); |
8f01245e | 9180 | } |
2c0262af | 9181 | do { |
fbb4a2e3 PB |
9182 | #ifdef CONFIG_USER_ONLY |
9183 | /* Intercept jump to the magic kernel page. */ | |
9184 | if (dc->pc >= 0xffff0000) { | |
9185 | /* We always get here via a jump, so know we are not in a | |
9186 | conditional execution block. */ | |
9187 | gen_exception(EXCP_KERNEL_TRAP); | |
9188 | dc->is_jmp = DISAS_UPDATE; | |
9189 | break; | |
9190 | } | |
9191 | #else | |
9ee6e8bb PB |
9192 | if (dc->pc >= 0xfffffff0 && IS_M(env)) { |
9193 | /* We always get here via a jump, so know we are not in a | |
9194 | conditional execution block. */ | |
d9ba4830 | 9195 | gen_exception(EXCP_EXCEPTION_EXIT); |
d60bb01c PB |
9196 | dc->is_jmp = DISAS_UPDATE; |
9197 | break; | |
9ee6e8bb PB |
9198 | } |
9199 | #endif | |
9200 | ||
72cf2d4f BS |
9201 | if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) { |
9202 | QTAILQ_FOREACH(bp, &env->breakpoints, entry) { | |
a1d1bb31 | 9203 | if (bp->pc == dc->pc) { |
bc4a0de0 | 9204 | gen_exception_insn(dc, 0, EXCP_DEBUG); |
9ee6e8bb PB |
9205 | /* Advance PC so that clearing the breakpoint will |
9206 | invalidate this TB. */ | |
9207 | dc->pc += 2; | |
9208 | goto done_generating; | |
1fddef4b FB |
9209 | break; |
9210 | } | |
9211 | } | |
9212 | } | |
2c0262af FB |
9213 | if (search_pc) { |
9214 | j = gen_opc_ptr - gen_opc_buf; | |
9215 | if (lj < j) { | |
9216 | lj++; | |
9217 | while (lj < j) | |
9218 | gen_opc_instr_start[lj++] = 0; | |
9219 | } | |
0fa85d43 | 9220 | gen_opc_pc[lj] = dc->pc; |
e12ce78d | 9221 | gen_opc_condexec_bits[lj] = (dc->condexec_cond << 4) | (dc->condexec_mask >> 1); |
2c0262af | 9222 | gen_opc_instr_start[lj] = 1; |
2e70f6ef | 9223 | gen_opc_icount[lj] = num_insns; |
2c0262af | 9224 | } |
e50e6a20 | 9225 | |
2e70f6ef PB |
9226 | if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) |
9227 | gen_io_start(); | |
9228 | ||
5642463a PM |
9229 | if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP))) { |
9230 | tcg_gen_debug_insn_start(dc->pc); | |
9231 | } | |
9232 | ||
7204ab88 | 9233 | if (dc->thumb) { |
9ee6e8bb PB |
9234 | disas_thumb_insn(env, dc); |
9235 | if (dc->condexec_mask) { | |
9236 | dc->condexec_cond = (dc->condexec_cond & 0xe) | |
9237 | | ((dc->condexec_mask >> 4) & 1); | |
9238 | dc->condexec_mask = (dc->condexec_mask << 1) & 0x1f; | |
9239 | if (dc->condexec_mask == 0) { | |
9240 | dc->condexec_cond = 0; | |
9241 | } | |
9242 | } | |
9243 | } else { | |
9244 | disas_arm_insn(env, dc); | |
9245 | } | |
b26eefb6 PB |
9246 | if (num_temps) { |
9247 | fprintf(stderr, "Internal resource leak before %08x\n", dc->pc); | |
9248 | num_temps = 0; | |
9249 | } | |
e50e6a20 FB |
9250 | |
9251 | if (dc->condjmp && !dc->is_jmp) { | |
9252 | gen_set_label(dc->condlabel); | |
9253 | dc->condjmp = 0; | |
9254 | } | |
aaf2d97d | 9255 | /* Translation stops when a conditional branch is encountered. |
e50e6a20 | 9256 | * Otherwise the subsequent code could get translated several times. |
b5ff1b31 | 9257 | * Also stop translation when a page boundary is reached. This |
bf20dc07 | 9258 | * ensures prefetch aborts occur at the right place. */ |
2e70f6ef | 9259 | num_insns ++; |
1fddef4b FB |
9260 | } while (!dc->is_jmp && gen_opc_ptr < gen_opc_end && |
9261 | !env->singlestep_enabled && | |
1b530a6d | 9262 | !singlestep && |
2e70f6ef PB |
9263 | dc->pc < next_page_start && |
9264 | num_insns < max_insns); | |
9265 | ||
9266 | if (tb->cflags & CF_LAST_IO) { | |
9267 | if (dc->condjmp) { | |
9268 | /* FIXME: This can theoretically happen with self-modifying | |
9269 | code. */ | |
9270 | cpu_abort(env, "IO on conditional branch instruction"); | |
9271 | } | |
9272 | gen_io_end(); | |
9273 | } | |
9ee6e8bb | 9274 | |
b5ff1b31 | 9275 | /* At this stage dc->condjmp will only be set when the skipped |
9ee6e8bb PB |
9276 | instruction was a conditional branch or trap, and the PC has |
9277 | already been written. */ | |
551bd27f | 9278 | if (unlikely(env->singlestep_enabled)) { |
8aaca4c0 | 9279 | /* Make sure the pc is updated, and raise a debug exception. */ |
e50e6a20 | 9280 | if (dc->condjmp) { |
9ee6e8bb PB |
9281 | gen_set_condexec(dc); |
9282 | if (dc->is_jmp == DISAS_SWI) { | |
d9ba4830 | 9283 | gen_exception(EXCP_SWI); |
9ee6e8bb | 9284 | } else { |
d9ba4830 | 9285 | gen_exception(EXCP_DEBUG); |
9ee6e8bb | 9286 | } |
e50e6a20 FB |
9287 | gen_set_label(dc->condlabel); |
9288 | } | |
9289 | if (dc->condjmp || !dc->is_jmp) { | |
5e3f878a | 9290 | gen_set_pc_im(dc->pc); |
e50e6a20 | 9291 | dc->condjmp = 0; |
8aaca4c0 | 9292 | } |
9ee6e8bb PB |
9293 | gen_set_condexec(dc); |
9294 | if (dc->is_jmp == DISAS_SWI && !dc->condjmp) { | |
d9ba4830 | 9295 | gen_exception(EXCP_SWI); |
9ee6e8bb PB |
9296 | } else { |
9297 | /* FIXME: Single stepping a WFI insn will not halt | |
9298 | the CPU. */ | |
d9ba4830 | 9299 | gen_exception(EXCP_DEBUG); |
9ee6e8bb | 9300 | } |
8aaca4c0 | 9301 | } else { |
9ee6e8bb PB |
9302 | /* While branches must always occur at the end of an IT block, |
9303 | there are a few other things that can cause us to terminate | |
9304 | the TB in the middel of an IT block: | |
9305 | - Exception generating instructions (bkpt, swi, undefined). | |
9306 | - Page boundaries. | |
9307 | - Hardware watchpoints. | |
9308 | Hardware breakpoints have already been handled and skip this code. | |
9309 | */ | |
9310 | gen_set_condexec(dc); | |
8aaca4c0 | 9311 | switch(dc->is_jmp) { |
8aaca4c0 | 9312 | case DISAS_NEXT: |
6e256c93 | 9313 | gen_goto_tb(dc, 1, dc->pc); |
8aaca4c0 FB |
9314 | break; |
9315 | default: | |
9316 | case DISAS_JUMP: | |
9317 | case DISAS_UPDATE: | |
9318 | /* indicate that the hash table must be used to find the next TB */ | |
57fec1fe | 9319 | tcg_gen_exit_tb(0); |
8aaca4c0 FB |
9320 | break; |
9321 | case DISAS_TB_JUMP: | |
9322 | /* nothing more to generate */ | |
9323 | break; | |
9ee6e8bb | 9324 | case DISAS_WFI: |
d9ba4830 | 9325 | gen_helper_wfi(); |
9ee6e8bb PB |
9326 | break; |
9327 | case DISAS_SWI: | |
d9ba4830 | 9328 | gen_exception(EXCP_SWI); |
9ee6e8bb | 9329 | break; |
8aaca4c0 | 9330 | } |
e50e6a20 FB |
9331 | if (dc->condjmp) { |
9332 | gen_set_label(dc->condlabel); | |
9ee6e8bb | 9333 | gen_set_condexec(dc); |
6e256c93 | 9334 | gen_goto_tb(dc, 1, dc->pc); |
e50e6a20 FB |
9335 | dc->condjmp = 0; |
9336 | } | |
2c0262af | 9337 | } |
2e70f6ef | 9338 | |
9ee6e8bb | 9339 | done_generating: |
2e70f6ef | 9340 | gen_icount_end(tb, num_insns); |
2c0262af FB |
9341 | *gen_opc_ptr = INDEX_op_end; |
9342 | ||
9343 | #ifdef DEBUG_DISAS | |
8fec2b8c | 9344 | if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { |
93fcfe39 AL |
9345 | qemu_log("----------------\n"); |
9346 | qemu_log("IN: %s\n", lookup_symbol(pc_start)); | |
7204ab88 | 9347 | log_target_disas(pc_start, dc->pc - pc_start, dc->thumb); |
93fcfe39 | 9348 | qemu_log("\n"); |
2c0262af FB |
9349 | } |
9350 | #endif | |
b5ff1b31 FB |
9351 | if (search_pc) { |
9352 | j = gen_opc_ptr - gen_opc_buf; | |
9353 | lj++; | |
9354 | while (lj <= j) | |
9355 | gen_opc_instr_start[lj++] = 0; | |
b5ff1b31 | 9356 | } else { |
2c0262af | 9357 | tb->size = dc->pc - pc_start; |
2e70f6ef | 9358 | tb->icount = num_insns; |
b5ff1b31 | 9359 | } |
2c0262af FB |
9360 | } |
9361 | ||
2cfc5f17 | 9362 | void gen_intermediate_code(CPUState *env, TranslationBlock *tb) |
2c0262af | 9363 | { |
2cfc5f17 | 9364 | gen_intermediate_code_internal(env, tb, 0); |
2c0262af FB |
9365 | } |
9366 | ||
2cfc5f17 | 9367 | void gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb) |
2c0262af | 9368 | { |
2cfc5f17 | 9369 | gen_intermediate_code_internal(env, tb, 1); |
2c0262af FB |
9370 | } |
9371 | ||
b5ff1b31 FB |
9372 | static const char *cpu_mode_names[16] = { |
9373 | "usr", "fiq", "irq", "svc", "???", "???", "???", "abt", | |
9374 | "???", "???", "???", "und", "???", "???", "???", "sys" | |
9375 | }; | |
9ee6e8bb | 9376 | |
9a78eead | 9377 | void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf, |
7fe48483 | 9378 | int flags) |
2c0262af FB |
9379 | { |
9380 | int i; | |
06e80fc9 | 9381 | #if 0 |
bc380d17 | 9382 | union { |
b7bcbe95 FB |
9383 | uint32_t i; |
9384 | float s; | |
9385 | } s0, s1; | |
9386 | CPU_DoubleU d; | |
a94a6abf PB |
9387 | /* ??? This assumes float64 and double have the same layout. |
9388 | Oh well, it's only debug dumps. */ | |
9389 | union { | |
9390 | float64 f64; | |
9391 | double d; | |
9392 | } d0; | |
06e80fc9 | 9393 | #endif |
b5ff1b31 | 9394 | uint32_t psr; |
2c0262af FB |
9395 | |
9396 | for(i=0;i<16;i++) { | |
7fe48483 | 9397 | cpu_fprintf(f, "R%02d=%08x", i, env->regs[i]); |
2c0262af | 9398 | if ((i % 4) == 3) |
7fe48483 | 9399 | cpu_fprintf(f, "\n"); |
2c0262af | 9400 | else |
7fe48483 | 9401 | cpu_fprintf(f, " "); |
2c0262af | 9402 | } |
b5ff1b31 | 9403 | psr = cpsr_read(env); |
687fa640 TS |
9404 | cpu_fprintf(f, "PSR=%08x %c%c%c%c %c %s%d\n", |
9405 | psr, | |
b5ff1b31 FB |
9406 | psr & (1 << 31) ? 'N' : '-', |
9407 | psr & (1 << 30) ? 'Z' : '-', | |
9408 | psr & (1 << 29) ? 'C' : '-', | |
9409 | psr & (1 << 28) ? 'V' : '-', | |
5fafdf24 | 9410 | psr & CPSR_T ? 'T' : 'A', |
b5ff1b31 | 9411 | cpu_mode_names[psr & 0xf], (psr & 0x10) ? 32 : 26); |
b7bcbe95 | 9412 | |
5e3f878a | 9413 | #if 0 |
b7bcbe95 | 9414 | for (i = 0; i < 16; i++) { |
8e96005d FB |
9415 | d.d = env->vfp.regs[i]; |
9416 | s0.i = d.l.lower; | |
9417 | s1.i = d.l.upper; | |
a94a6abf PB |
9418 | d0.f64 = d.d; |
9419 | cpu_fprintf(f, "s%02d=%08x(%8g) s%02d=%08x(%8g) d%02d=%08x%08x(%8g)\n", | |
b7bcbe95 | 9420 | i * 2, (int)s0.i, s0.s, |
a94a6abf | 9421 | i * 2 + 1, (int)s1.i, s1.s, |
b7bcbe95 | 9422 | i, (int)(uint32_t)d.l.upper, (int)(uint32_t)d.l.lower, |
a94a6abf | 9423 | d0.d); |
b7bcbe95 | 9424 | } |
40f137e1 | 9425 | cpu_fprintf(f, "FPSCR: %08x\n", (int)env->vfp.xregs[ARM_VFP_FPSCR]); |
5e3f878a | 9426 | #endif |
2c0262af | 9427 | } |
a6b025d3 | 9428 | |
d2856f1a AJ |
9429 | void gen_pc_load(CPUState *env, TranslationBlock *tb, |
9430 | unsigned long searched_pc, int pc_pos, void *puc) | |
9431 | { | |
9432 | env->regs[15] = gen_opc_pc[pc_pos]; | |
e12ce78d | 9433 | env->condexec_bits = gen_opc_condexec_bits[pc_pos]; |
d2856f1a | 9434 | } |