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Add signed versions of save/load functions
[qemu/mini2440.git] / target-sh4 / translate.c
blob82f4168f41d66117f065c0fb315ea10054e4f71a
1 /*
2 * SH4 translation
3 *
4 * Copyright (c) 2005 Samuel Tardieu
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20 #include <stdarg.h>
21 #include <stdlib.h>
22 #include <stdio.h>
23 #include <string.h>
24 #include <inttypes.h>
25 #include <assert.h>
26
27 #define DEBUG_DISAS
28 #define SH4_DEBUG_DISAS
29 //#define SH4_SINGLE_STEP
30
31 #include "cpu.h"
32 #include "exec-all.h"
33 #include "disas.h"
34 #include "helper.h"
35 #include "tcg-op.h"
36 #include "qemu-common.h"
37
38 typedef struct DisasContext {
39 struct TranslationBlock *tb;
40 target_ulong pc;
41 uint32_t sr;
42 uint32_t fpscr;
43 uint16_t opcode;
44 uint32_t flags;
45 int bstate;
46 int memidx;
47 uint32_t delayed_pc;
48 int singlestep_enabled;
49 } DisasContext;
50
51 #if defined(CONFIG_USER_ONLY)
52 #define IS_USER(ctx) 1
53 #else
54 #define IS_USER(ctx) (!(ctx->sr & SR_MD))
55 #endif
56
57 enum {
58 BS_NONE = 0, /* We go out of the TB without reaching a branch or an
59 * exception condition
60 */
61 BS_STOP = 1, /* We want to stop translation for any reason */
62 BS_BRANCH = 2, /* We reached a branch condition */
63 BS_EXCP = 3, /* We reached an exception condition */
64 };
65
66 /* global register indexes */
67 static TCGv cpu_env;
68 static TCGv cpu_gregs[24];
69 static TCGv cpu_pc, cpu_sr, cpu_ssr, cpu_spc, cpu_gbr;
70 static TCGv cpu_vbr, cpu_sgr, cpu_dbr, cpu_mach, cpu_macl;
71 static TCGv cpu_pr, cpu_fpscr, cpu_fpul, cpu_flags;
72
73 /* internal register indexes */
74 static TCGv cpu_flags, cpu_delayed_pc;
75
76 #include "gen-icount.h"
77
78 static void sh4_translate_init(void)
79 {
80 int i;
81 static int done_init = 0;
82 static const char * const gregnames[24] = {
83 "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
84 "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
85 "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15",
86 "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
87 "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
88 };
89
90 if (done_init)
91 return;
92
93 cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env");
94
95 for (i = 0; i < 24; i++)
96 cpu_gregs[i] = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0,
97 offsetof(CPUState, gregs[i]),
98 gregnames[i]);
99
100 cpu_pc = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0,
101 offsetof(CPUState, pc), "PC");
102 cpu_sr = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0,
103 offsetof(CPUState, sr), "SR");
104 cpu_ssr = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0,
105 offsetof(CPUState, ssr), "SSR");
106 cpu_spc = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0,
107 offsetof(CPUState, spc), "SPC");
108 cpu_gbr = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0,
109 offsetof(CPUState, gbr), "GBR");
110 cpu_vbr = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0,
111 offsetof(CPUState, vbr), "VBR");
112 cpu_sgr = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0,
113 offsetof(CPUState, sgr), "SGR");
114 cpu_dbr = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0,
115 offsetof(CPUState, dbr), "DBR");
116 cpu_mach = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0,
117 offsetof(CPUState, mach), "MACH");
118 cpu_macl = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0,
119 offsetof(CPUState, macl), "MACL");
120 cpu_pr = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0,
121 offsetof(CPUState, pr), "PR");
122 cpu_fpscr = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0,
123 offsetof(CPUState, fpscr), "FPSCR");
124 cpu_fpul = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0,
125 offsetof(CPUState, fpul), "FPUL");
126
127 cpu_flags = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0,
128 offsetof(CPUState, flags), "_flags_");
129 cpu_delayed_pc = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0,
130 offsetof(CPUState, delayed_pc),
131 "_delayed_pc_");
132
133 /* register helpers */
134 #undef DEF_HELPER
135 #define DEF_HELPER(ret, name, params) tcg_register_helper(name, #name);
136 #include "helper.h"
137
138 done_init = 1;
139 }
140
141 void cpu_dump_state(CPUState * env, FILE * f,
142 int (*cpu_fprintf) (FILE * f, const char *fmt, ...),
143 int flags)
144 {
145 int i;
146 cpu_fprintf(f, "pc=0x%08x sr=0x%08x pr=0x%08x fpscr=0x%08x\n",
147 env->pc, env->sr, env->pr, env->fpscr);
148 cpu_fprintf(f, "spc=0x%08x ssr=0x%08x gbr=0x%08x vbr=0x%08x\n",
149 env->spc, env->ssr, env->gbr, env->vbr);
150 cpu_fprintf(f, "sgr=0x%08x dbr=0x%08x delayed_pc=0x%08x fpul=0x%08x\n",
151 env->sgr, env->dbr, env->delayed_pc, env->fpul);
152 for (i = 0; i < 24; i += 4) {
153 cpu_fprintf(f, "r%d=0x%08x r%d=0x%08x r%d=0x%08x r%d=0x%08x\n",
154 i, env->gregs[i], i + 1, env->gregs[i + 1],
155 i + 2, env->gregs[i + 2], i + 3, env->gregs[i + 3]);
156 }
157 if (env->flags & DELAY_SLOT) {
158 cpu_fprintf(f, "in delay slot (delayed_pc=0x%08x)\n",
159 env->delayed_pc);
160 } else if (env->flags & DELAY_SLOT_CONDITIONAL) {
161 cpu_fprintf(f, "in conditional delay slot (delayed_pc=0x%08x)\n",
162 env->delayed_pc);
163 }
164 }
165
166 void cpu_sh4_reset(CPUSH4State * env)
167 {
168 #if defined(CONFIG_USER_ONLY)
169 env->sr = SR_FD; /* FD - kernel does lazy fpu context switch */
170 #else
171 env->sr = 0x700000F0; /* MD, RB, BL, I3-I0 */
172 #endif
173 env->vbr = 0;
174 env->pc = 0xA0000000;
175 #if defined(CONFIG_USER_ONLY)
176 env->fpscr = FPSCR_PR; /* value for userspace according to the kernel */
177 set_float_rounding_mode(float_round_nearest_even, &env->fp_status); /* ?! */
178 #else
179 env->fpscr = 0x00040001; /* CPU reset value according to SH4 manual */
180 set_float_rounding_mode(float_round_to_zero, &env->fp_status);
181 #endif
182 env->mmucr = 0;
183 }
184
185 typedef struct {
186 const unsigned char *name;
187 int id;
188 uint32_t pvr;
189 uint32_t prr;
190 uint32_t cvr;
191 } sh4_def_t;
192
193 static sh4_def_t sh4_defs[] = {
194 {
195 .name = "SH7750R",
196 .id = SH_CPU_SH7750R,
197 .pvr = 0x00050000,
198 .prr = 0x00000100,
199 .cvr = 0x00110000,
200 }, {
201 .name = "SH7751R",
202 .id = SH_CPU_SH7751R,
203 .pvr = 0x04050005,
204 .prr = 0x00000113,
205 .cvr = 0x00110000, /* Neutered caches, should be 0x20480000 */
206 },
207 };
208
209 static const sh4_def_t *cpu_sh4_find_by_name(const unsigned char *name)
210 {
211 int i;
212
213 if (strcasecmp(name, "any") == 0)
214 return &sh4_defs[0];
215
216 for (i = 0; i < sizeof(sh4_defs) / sizeof(*sh4_defs); i++)
217 if (strcasecmp(name, sh4_defs[i].name) == 0)
218 return &sh4_defs[i];
219
220 return NULL;
221 }
222
223 void sh4_cpu_list(FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
224 {
225 int i;
226
227 for (i = 0; i < sizeof(sh4_defs) / sizeof(*sh4_defs); i++)
228 (*cpu_fprintf)(f, "%s\n", sh4_defs[i].name);
229 }
230
231 static int cpu_sh4_register(CPUSH4State *env, const sh4_def_t *def)
232 {
233 env->pvr = def->pvr;
234 env->prr = def->prr;
235 env->cvr = def->cvr;
236 env->id = def->id;
237 }
238
239 CPUSH4State *cpu_sh4_init(const char *cpu_model)
240 {
241 CPUSH4State *env;
242 const sh4_def_t *def;
243
244 def = cpu_sh4_find_by_name(cpu_model);
245 if (!def)
246 return NULL;
247 env = qemu_mallocz(sizeof(CPUSH4State));
248 if (!env)
249 return NULL;
250 cpu_exec_init(env);
251 sh4_translate_init();
252 env->cpu_model_str = cpu_model;
253 cpu_sh4_reset(env);
254 cpu_sh4_register(env, def);
255 tlb_flush(env, 1);
256 return env;
257 }
258
259 static void gen_goto_tb(DisasContext * ctx, int n, target_ulong dest)
260 {
261 TranslationBlock *tb;
262 tb = ctx->tb;
263
264 if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) &&
265 !ctx->singlestep_enabled) {
266 /* Use a direct jump if in same page and singlestep not enabled */
267 tcg_gen_goto_tb(n);
268 tcg_gen_movi_i32(cpu_pc, dest);
269 tcg_gen_exit_tb((long) tb + n);
270 } else {
271 tcg_gen_movi_i32(cpu_pc, dest);
272 if (ctx->singlestep_enabled)
273 tcg_gen_helper_0_0(helper_debug);
274 tcg_gen_exit_tb(0);
275 }
276 }
277
278 static void gen_jump(DisasContext * ctx)
279 {
280 if (ctx->delayed_pc == (uint32_t) - 1) {
281 /* Target is not statically known, it comes necessarily from a
282 delayed jump as immediate jump are conditinal jumps */
283 tcg_gen_mov_i32(cpu_pc, cpu_delayed_pc);
284 if (ctx->singlestep_enabled)
285 tcg_gen_helper_0_0(helper_debug);
286 tcg_gen_exit_tb(0);
287 } else {
288 gen_goto_tb(ctx, 0, ctx->delayed_pc);
289 }
290 }
291
292 static inline void gen_branch_slot(uint32_t delayed_pc, int t)
293 {
294 TCGv sr;
295 int label = gen_new_label();
296 tcg_gen_movi_i32(cpu_delayed_pc, delayed_pc);
297 sr = tcg_temp_new(TCG_TYPE_I32);
298 tcg_gen_andi_i32(sr, cpu_sr, SR_T);
299 tcg_gen_brcondi_i32(TCG_COND_NE, sr, t ? SR_T : 0, label);
300 tcg_gen_ori_i32(cpu_flags, cpu_flags, DELAY_SLOT_TRUE);
301 gen_set_label(label);
302 }
303
304 /* Immediate conditional jump (bt or bf) */
305 static void gen_conditional_jump(DisasContext * ctx,
306 target_ulong ift, target_ulong ifnott)
307 {
308 int l1;
309 TCGv sr;
310
311 l1 = gen_new_label();
312 sr = tcg_temp_new(TCG_TYPE_I32);
313 tcg_gen_andi_i32(sr, cpu_sr, SR_T);
314 tcg_gen_brcondi_i32(TCG_COND_EQ, sr, SR_T, l1);
315 gen_goto_tb(ctx, 0, ifnott);
316 gen_set_label(l1);
317 gen_goto_tb(ctx, 1, ift);
318 }
319
320 /* Delayed conditional jump (bt or bf) */
321 static void gen_delayed_conditional_jump(DisasContext * ctx)
322 {
323 int l1;
324 TCGv ds;
325
326 l1 = gen_new_label();
327 ds = tcg_temp_new(TCG_TYPE_I32);
328 tcg_gen_andi_i32(ds, cpu_flags, DELAY_SLOT_TRUE);
329 tcg_gen_brcondi_i32(TCG_COND_EQ, ds, DELAY_SLOT_TRUE, l1);
330 gen_goto_tb(ctx, 1, ctx->pc + 2);
331 gen_set_label(l1);
332 tcg_gen_andi_i32(cpu_flags, cpu_flags, ~DELAY_SLOT_TRUE);
333 gen_jump(ctx);
334 }
335
336 static inline void gen_set_t(void)
337 {
338 tcg_gen_ori_i32(cpu_sr, cpu_sr, SR_T);
339 }
340
341 static inline void gen_clr_t(void)
342 {
343 tcg_gen_andi_i32(cpu_sr, cpu_sr, ~SR_T);
344 }
345
346 static inline void gen_cmp(int cond, TCGv t0, TCGv t1)
347 {
348 int label1 = gen_new_label();
349 int label2 = gen_new_label();
350 tcg_gen_brcond_i32(cond, t1, t0, label1);
351 gen_clr_t();
352 tcg_gen_br(label2);
353 gen_set_label(label1);
354 gen_set_t();
355 gen_set_label(label2);
356 }
357
358 static inline void gen_cmp_imm(int cond, TCGv t0, int32_t imm)
359 {
360 int label1 = gen_new_label();
361 int label2 = gen_new_label();
362 tcg_gen_brcondi_i32(cond, t0, imm, label1);
363 gen_clr_t();
364 tcg_gen_br(label2);
365 gen_set_label(label1);
366 gen_set_t();
367 gen_set_label(label2);
368 }
369
370 static inline void gen_store_flags(uint32_t flags)
371 {
372 tcg_gen_andi_i32(cpu_flags, cpu_flags, DELAY_SLOT_TRUE);
373 tcg_gen_ori_i32(cpu_flags, cpu_flags, flags);
374 }
375
376 static inline void gen_copy_bit_i32(TCGv t0, int p0, TCGv t1, int p1)
377 {
378 TCGv tmp = tcg_temp_new(TCG_TYPE_I32);
379
380 p0 &= 0x1f;
381 p1 &= 0x1f;
382
383 tcg_gen_andi_i32(tmp, t1, (1 << p1));
384 tcg_gen_andi_i32(t0, t0, ~(1 << p0));
385 if (p0 < p1)
386 tcg_gen_shri_i32(tmp, tmp, p1 - p0);
387 else if (p0 > p1)
388 tcg_gen_shli_i32(tmp, tmp, p0 - p1);
389 tcg_gen_or_i32(t0, t0, tmp);
390
391 tcg_temp_free(tmp);
392 }
393
394
395 static inline void gen_load_fpr32(TCGv t, int reg)
396 {
397 tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, fregs[reg]));
398 }
399
400 static inline void gen_load_fpr64(TCGv t, int reg)
401 {
402 TCGv tmp1 = tcg_temp_new(TCG_TYPE_I32);
403 TCGv tmp2 = tcg_temp_new(TCG_TYPE_I64);
404
405 tcg_gen_ld_i32(tmp1, cpu_env, offsetof(CPUState, fregs[reg]));
406 tcg_gen_extu_i32_i64(t, tmp1);
407 tcg_gen_shli_i64(t, t, 32);
408 tcg_gen_ld_i32(tmp1, cpu_env, offsetof(CPUState, fregs[reg + 1]));
409 tcg_gen_extu_i32_i64(tmp2, tmp1);
410 tcg_temp_free(tmp1);
411 tcg_gen_or_i64(t, t, tmp2);
412 tcg_temp_free(tmp2);
413 }
414
415 static inline void gen_store_fpr32(TCGv t, int reg)
416 {
417 tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, fregs[reg]));
418 }
419
420 static inline void gen_store_fpr64 (TCGv t, int reg)
421 {
422 TCGv tmp = tcg_temp_new(TCG_TYPE_I32);
423
424 tcg_gen_trunc_i64_i32(tmp, t);
425 tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUState, fregs[reg + 1]));
426 tcg_gen_shri_i64(t, t, 32);
427 tcg_gen_trunc_i64_i32(tmp, t);
428 tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUState, fregs[reg]));
429 tcg_temp_free(tmp);
430 }
431
432 #define B3_0 (ctx->opcode & 0xf)
433 #define B6_4 ((ctx->opcode >> 4) & 0x7)
434 #define B7_4 ((ctx->opcode >> 4) & 0xf)
435 #define B7_0 (ctx->opcode & 0xff)
436 #define B7_0s ((int32_t) (int8_t) (ctx->opcode & 0xff))
437 #define B11_0s (ctx->opcode & 0x800 ? 0xfffff000 | (ctx->opcode & 0xfff) : \
438 (ctx->opcode & 0xfff))
439 #define B11_8 ((ctx->opcode >> 8) & 0xf)
440 #define B15_12 ((ctx->opcode >> 12) & 0xf)
441
442 #define REG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB) ? \
443 (cpu_gregs[x + 16]) : (cpu_gregs[x]))
444
445 #define ALTREG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) != (SR_MD | SR_RB) \
446 ? (cpu_gregs[x + 16]) : (cpu_gregs[x]))
447
448 #define FREG(x) (ctx->fpscr & FPSCR_FR ? (x) ^ 0x10 : (x))
449 #define XHACK(x) ((((x) & 1 ) << 4) | ((x) & 0xe))
450 #define XREG(x) (ctx->fpscr & FPSCR_FR ? XHACK(x) ^ 0x10 : XHACK(x))
451 #define DREG(x) FREG(x) /* Assumes lsb of (x) is always 0 */
452
453 #define CHECK_NOT_DELAY_SLOT \
454 if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) \
455 {tcg_gen_helper_0_0(helper_raise_slot_illegal_instruction); ctx->bstate = BS_EXCP; \
456 return;}
457
458 #define CHECK_PRIVILEGED \
459 if (IS_USER(ctx)) { \
460 tcg_gen_helper_0_0(helper_raise_illegal_instruction); \
461 ctx->bstate = BS_EXCP; \
462 return; \
463 }
464
465 void _decode_opc(DisasContext * ctx)
466 {
467 #if 0
468 fprintf(stderr, "Translating opcode 0x%04x\n", ctx->opcode);
469 #endif
470 switch (ctx->opcode) {
471 case 0x0019: /* div0u */
472 tcg_gen_andi_i32(cpu_sr, cpu_sr, ~(SR_M | SR_Q | SR_T));
473 return;
474 case 0x000b: /* rts */
475 CHECK_NOT_DELAY_SLOT
476 tcg_gen_mov_i32(cpu_delayed_pc, cpu_pr);
477 ctx->flags |= DELAY_SLOT;
478 ctx->delayed_pc = (uint32_t) - 1;
479 return;
480 case 0x0028: /* clrmac */
481 tcg_gen_movi_i32(cpu_mach, 0);
482 tcg_gen_movi_i32(cpu_macl, 0);
483 return;
484 case 0x0048: /* clrs */
485 tcg_gen_andi_i32(cpu_sr, cpu_sr, ~SR_S);
486 return;
487 case 0x0008: /* clrt */
488 gen_clr_t();
489 return;
490 case 0x0038: /* ldtlb */
491 CHECK_PRIVILEGED
492 tcg_gen_helper_0_0(helper_ldtlb);
493 return;
494 case 0x002b: /* rte */
495 CHECK_PRIVILEGED
496 CHECK_NOT_DELAY_SLOT
497 tcg_gen_mov_i32(cpu_sr, cpu_ssr);
498 tcg_gen_mov_i32(cpu_delayed_pc, cpu_spc);
499 ctx->flags |= DELAY_SLOT;
500 ctx->delayed_pc = (uint32_t) - 1;
501 return;
502 case 0x0058: /* sets */
503 tcg_gen_ori_i32(cpu_sr, cpu_sr, SR_S);
504 return;
505 case 0x0018: /* sett */
506 gen_set_t();
507 return;
508 case 0xfbfd: /* frchg */
509 tcg_gen_xori_i32(cpu_fpscr, cpu_fpscr, FPSCR_FR);
510 ctx->bstate = BS_STOP;
511 return;
512 case 0xf3fd: /* fschg */
513 tcg_gen_xori_i32(cpu_fpscr, cpu_fpscr, FPSCR_SZ);
514 ctx->bstate = BS_STOP;
515 return;
516 case 0x0009: /* nop */
517 return;
518 case 0x001b: /* sleep */
519 CHECK_PRIVILEGED
520 tcg_gen_helper_0_1(helper_sleep, tcg_const_i32(ctx->pc + 2));
521 return;
522 }
523
524 switch (ctx->opcode & 0xf000) {
525 case 0x1000: /* mov.l Rm,@(disp,Rn) */
526 {
527 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
528 tcg_gen_addi_i32(addr, REG(B11_8), B3_0 * 4);
529 tcg_gen_qemu_st32(REG(B7_4), addr, ctx->memidx);
530 tcg_temp_free(addr);
531 }
532 return;
533 case 0x5000: /* mov.l @(disp,Rm),Rn */
534 {
535 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
536 tcg_gen_addi_i32(addr, REG(B7_4), B3_0 * 4);
537 tcg_gen_qemu_ld32s(REG(B11_8), addr, ctx->memidx);
538 tcg_temp_free(addr);
539 }
540 return;
541 case 0xe000: /* mov #imm,Rn */
542 tcg_gen_movi_i32(REG(B11_8), B7_0s);
543 return;
544 case 0x9000: /* mov.w @(disp,PC),Rn */
545 {
546 TCGv addr = tcg_const_i32(ctx->pc + 4 + B7_0 * 2);
547 tcg_gen_qemu_ld16s(REG(B11_8), addr, ctx->memidx);
548 tcg_temp_free(addr);
549 }
550 return;
551 case 0xd000: /* mov.l @(disp,PC),Rn */
552 {
553 TCGv addr = tcg_const_i32((ctx->pc + 4 + B7_0 * 4) & ~3);
554 tcg_gen_qemu_ld32s(REG(B11_8), addr, ctx->memidx);
555 tcg_temp_free(addr);
556 }
557 return;
558 case 0x7000: /* add #imm,Rn */
559 tcg_gen_addi_i32(REG(B11_8), REG(B11_8), B7_0s);
560 return;
561 case 0xa000: /* bra disp */
562 CHECK_NOT_DELAY_SLOT
563 ctx->delayed_pc = ctx->pc + 4 + B11_0s * 2;
564 tcg_gen_movi_i32(cpu_delayed_pc, ctx->delayed_pc);
565 ctx->flags |= DELAY_SLOT;
566 return;
567 case 0xb000: /* bsr disp */
568 CHECK_NOT_DELAY_SLOT
569 tcg_gen_movi_i32(cpu_pr, ctx->pc + 4);
570 ctx->delayed_pc = ctx->pc + 4 + B11_0s * 2;
571 tcg_gen_movi_i32(cpu_delayed_pc, ctx->delayed_pc);
572 ctx->flags |= DELAY_SLOT;
573 return;
574 }
575
576 switch (ctx->opcode & 0xf00f) {
577 case 0x6003: /* mov Rm,Rn */
578 tcg_gen_mov_i32(REG(B11_8), REG(B7_4));
579 return;
580 case 0x2000: /* mov.b Rm,@Rn */
581 tcg_gen_qemu_st8(REG(B7_4), REG(B11_8), ctx->memidx);
582 return;
583 case 0x2001: /* mov.w Rm,@Rn */
584 tcg_gen_qemu_st16(REG(B7_4), REG(B11_8), ctx->memidx);
585 return;
586 case 0x2002: /* mov.l Rm,@Rn */
587 tcg_gen_qemu_st32(REG(B7_4), REG(B11_8), ctx->memidx);
588 return;
589 case 0x6000: /* mov.b @Rm,Rn */
590 tcg_gen_qemu_ld8s(REG(B11_8), REG(B7_4), ctx->memidx);
591 return;
592 case 0x6001: /* mov.w @Rm,Rn */
593 tcg_gen_qemu_ld16s(REG(B11_8), REG(B7_4), ctx->memidx);
594 return;
595 case 0x6002: /* mov.l @Rm,Rn */
596 tcg_gen_qemu_ld32s(REG(B11_8), REG(B7_4), ctx->memidx);
597 return;
598 case 0x2004: /* mov.b Rm,@-Rn */
599 {
600 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
601 tcg_gen_subi_i32(addr, REG(B11_8), 1);
602 tcg_gen_qemu_st8(REG(B7_4), addr, ctx->memidx); /* might cause re-execution */
603 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 1); /* modify register status */
604 tcg_temp_free(addr);
605 }
606 return;
607 case 0x2005: /* mov.w Rm,@-Rn */
608 {
609 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
610 tcg_gen_subi_i32(addr, REG(B11_8), 2);
611 tcg_gen_qemu_st16(REG(B7_4), addr, ctx->memidx);
612 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 2);
613 tcg_temp_free(addr);
614 }
615 return;
616 case 0x2006: /* mov.l Rm,@-Rn */
617 {
618 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
619 tcg_gen_subi_i32(addr, REG(B11_8), 4);
620 tcg_gen_qemu_st32(REG(B7_4), addr, ctx->memidx);
621 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
622 }
623 return;
624 case 0x6004: /* mov.b @Rm+,Rn */
625 tcg_gen_qemu_ld8s(REG(B11_8), REG(B7_4), ctx->memidx);
626 if ( B11_8 != B7_4 )
627 tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 1);
628 return;
629 case 0x6005: /* mov.w @Rm+,Rn */
630 tcg_gen_qemu_ld16s(REG(B11_8), REG(B7_4), ctx->memidx);
631 if ( B11_8 != B7_4 )
632 tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 2);
633 return;
634 case 0x6006: /* mov.l @Rm+,Rn */
635 tcg_gen_qemu_ld32s(REG(B11_8), REG(B7_4), ctx->memidx);
636 if ( B11_8 != B7_4 )
637 tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 4);
638 return;
639 case 0x0004: /* mov.b Rm,@(R0,Rn) */
640 {
641 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
642 tcg_gen_add_i32(addr, REG(B11_8), REG(0));
643 tcg_gen_qemu_st8(REG(B7_4), addr, ctx->memidx);
644 tcg_temp_free(addr);
645 }
646 return;
647 case 0x0005: /* mov.w Rm,@(R0,Rn) */
648 {
649 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
650 tcg_gen_add_i32(addr, REG(B11_8), REG(0));
651 tcg_gen_qemu_st16(REG(B7_4), addr, ctx->memidx);
652 tcg_temp_free(addr);
653 }
654 return;
655 case 0x0006: /* mov.l Rm,@(R0,Rn) */
656 {
657 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
658 tcg_gen_add_i32(addr, REG(B11_8), REG(0));
659 tcg_gen_qemu_st32(REG(B7_4), addr, ctx->memidx);
660 tcg_temp_free(addr);
661 }
662 return;
663 case 0x000c: /* mov.b @(R0,Rm),Rn */
664 {
665 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
666 tcg_gen_add_i32(addr, REG(B7_4), REG(0));
667 tcg_gen_qemu_ld8s(REG(B11_8), addr, ctx->memidx);
668 tcg_temp_free(addr);
669 }
670 return;
671 case 0x000d: /* mov.w @(R0,Rm),Rn */
672 {
673 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
674 tcg_gen_add_i32(addr, REG(B7_4), REG(0));
675 tcg_gen_qemu_ld16s(REG(B11_8), addr, ctx->memidx);
676 tcg_temp_free(addr);
677 }
678 return;
679 case 0x000e: /* mov.l @(R0,Rm),Rn */
680 {
681 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
682 tcg_gen_add_i32(addr, REG(B7_4), REG(0));
683 tcg_gen_qemu_ld32s(REG(B11_8), addr, ctx->memidx);
684 tcg_temp_free(addr);
685 }
686 return;
687 case 0x6008: /* swap.b Rm,Rn */
688 {
689 TCGv high, low;
690 high = tcg_temp_new(TCG_TYPE_I32);
691 tcg_gen_ext8u_i32(high, REG(B7_4));
692 tcg_gen_shli_i32(high, high, 8);
693 low = tcg_temp_new(TCG_TYPE_I32);
694 tcg_gen_shri_i32(low, REG(B7_4), 8);
695 tcg_gen_ext8u_i32(low, low);
696 tcg_gen_or_i32(REG(B11_8), high, low);
697 tcg_temp_free(low);
698 tcg_temp_free(high);
699 }
700 return;
701 case 0x6009: /* swap.w Rm,Rn */
702 {
703 TCGv high, low;
704 high = tcg_temp_new(TCG_TYPE_I32);
705 tcg_gen_ext16u_i32(high, REG(B7_4));
706 tcg_gen_shli_i32(high, high, 16);
707 low = tcg_temp_new(TCG_TYPE_I32);
708 tcg_gen_shri_i32(low, REG(B7_4), 16);
709 tcg_gen_ext16u_i32(low, low);
710 tcg_gen_or_i32(REG(B11_8), high, low);
711 tcg_temp_free(low);
712 tcg_temp_free(high);
713 }
714 return;
715 case 0x200d: /* xtrct Rm,Rn */
716 {
717 TCGv high, low;
718 high = tcg_temp_new(TCG_TYPE_I32);
719 tcg_gen_ext16u_i32(high, REG(B7_4));
720 tcg_gen_shli_i32(high, high, 16);
721 low = tcg_temp_new(TCG_TYPE_I32);
722 tcg_gen_shri_i32(low, REG(B11_8), 16);
723 tcg_gen_ext16u_i32(low, low);
724 tcg_gen_or_i32(REG(B11_8), high, low);
725 tcg_temp_free(low);
726 tcg_temp_free(high);
727 }
728 return;
729 case 0x300c: /* add Rm,Rn */
730 tcg_gen_add_i32(REG(B11_8), REG(B11_8), REG(B7_4));
731 return;
732 case 0x300e: /* addc Rm,Rn */
733 tcg_gen_helper_1_2(helper_addc, REG(B11_8), REG(B7_4), REG(B11_8));
734 return;
735 case 0x300f: /* addv Rm,Rn */
736 tcg_gen_helper_1_2(helper_addv, REG(B11_8), REG(B7_4), REG(B11_8));
737 return;
738 case 0x2009: /* and Rm,Rn */
739 tcg_gen_and_i32(REG(B11_8), REG(B11_8), REG(B7_4));
740 return;
741 case 0x3000: /* cmp/eq Rm,Rn */
742 gen_cmp(TCG_COND_EQ, REG(B7_4), REG(B11_8));
743 return;
744 case 0x3003: /* cmp/ge Rm,Rn */
745 gen_cmp(TCG_COND_GE, REG(B7_4), REG(B11_8));
746 return;
747 case 0x3007: /* cmp/gt Rm,Rn */
748 gen_cmp(TCG_COND_GT, REG(B7_4), REG(B11_8));
749 return;
750 case 0x3006: /* cmp/hi Rm,Rn */
751 gen_cmp(TCG_COND_GTU, REG(B7_4), REG(B11_8));
752 return;
753 case 0x3002: /* cmp/hs Rm,Rn */
754 gen_cmp(TCG_COND_GEU, REG(B7_4), REG(B11_8));
755 return;
756 case 0x200c: /* cmp/str Rm,Rn */
757 {
758 int label1 = gen_new_label();
759 int label2 = gen_new_label();
760 TCGv cmp1 = tcg_temp_local_new(TCG_TYPE_I32);
761 TCGv cmp2 = tcg_temp_local_new(TCG_TYPE_I32);
762 tcg_gen_xor_i32(cmp1, REG(B7_4), REG(B11_8));
763 tcg_gen_andi_i32(cmp2, cmp1, 0xff000000);
764 tcg_gen_brcondi_i32(TCG_COND_EQ, cmp2, 0, label1);
765 tcg_gen_andi_i32(cmp2, cmp1, 0x00ff0000);
766 tcg_gen_brcondi_i32(TCG_COND_EQ, cmp2, 0, label1);
767 tcg_gen_andi_i32(cmp2, cmp1, 0x0000ff00);
768 tcg_gen_brcondi_i32(TCG_COND_EQ, cmp2, 0, label1);
769 tcg_gen_andi_i32(cmp2, cmp1, 0x000000ff);
770 tcg_gen_brcondi_i32(TCG_COND_EQ, cmp2, 0, label1);
771 tcg_gen_andi_i32(cpu_sr, cpu_sr, ~SR_T);
772 tcg_gen_br(label2);
773 gen_set_label(label1);
774 tcg_gen_ori_i32(cpu_sr, cpu_sr, SR_T);
775 gen_set_label(label2);
776 tcg_temp_free(cmp2);
777 tcg_temp_free(cmp1);
778 }
779 return;
780 case 0x2007: /* div0s Rm,Rn */
781 {
782 gen_copy_bit_i32(cpu_sr, 8, REG(B11_8), 31); /* SR_Q */
783 gen_copy_bit_i32(cpu_sr, 9, REG(B7_4), 31); /* SR_M */
784 TCGv val = tcg_temp_new(TCG_TYPE_I32);
785 tcg_gen_xor_i32(val, REG(B7_4), REG(B11_8));
786 gen_copy_bit_i32(cpu_sr, 0, val, 31); /* SR_T */
787 tcg_temp_free(val);
788 }
789 return;
790 case 0x3004: /* div1 Rm,Rn */
791 tcg_gen_helper_1_2(helper_div1, REG(B11_8), REG(B7_4), REG(B11_8));
792 return;
793 case 0x300d: /* dmuls.l Rm,Rn */
794 {
795 TCGv tmp1 = tcg_temp_new(TCG_TYPE_I64);
796 TCGv tmp2 = tcg_temp_new(TCG_TYPE_I64);
797
798 tcg_gen_ext_i32_i64(tmp1, REG(B7_4));
799 tcg_gen_ext_i32_i64(tmp2, REG(B11_8));
800 tcg_gen_mul_i64(tmp1, tmp1, tmp2);
801 tcg_gen_trunc_i64_i32(cpu_macl, tmp1);
802 tcg_gen_shri_i64(tmp1, tmp1, 32);
803 tcg_gen_trunc_i64_i32(cpu_mach, tmp1);
804
805 tcg_temp_free(tmp2);
806 tcg_temp_free(tmp1);
807 }
808 return;
809 case 0x3005: /* dmulu.l Rm,Rn */
810 {
811 TCGv tmp1 = tcg_temp_new(TCG_TYPE_I64);
812 TCGv tmp2 = tcg_temp_new(TCG_TYPE_I64);
813
814 tcg_gen_extu_i32_i64(tmp1, REG(B7_4));
815 tcg_gen_extu_i32_i64(tmp2, REG(B11_8));
816 tcg_gen_mul_i64(tmp1, tmp1, tmp2);
817 tcg_gen_trunc_i64_i32(cpu_macl, tmp1);
818 tcg_gen_shri_i64(tmp1, tmp1, 32);
819 tcg_gen_trunc_i64_i32(cpu_mach, tmp1);
820
821 tcg_temp_free(tmp2);
822 tcg_temp_free(tmp1);
823 }
824 return;
825 case 0x600e: /* exts.b Rm,Rn */
826 tcg_gen_ext8s_i32(REG(B11_8), REG(B7_4));
827 return;
828 case 0x600f: /* exts.w Rm,Rn */
829 tcg_gen_ext16s_i32(REG(B11_8), REG(B7_4));
830 return;
831 case 0x600c: /* extu.b Rm,Rn */
832 tcg_gen_ext8u_i32(REG(B11_8), REG(B7_4));
833 return;
834 case 0x600d: /* extu.w Rm,Rn */
835 tcg_gen_ext16u_i32(REG(B11_8), REG(B7_4));
836 return;
837 case 0x000f: /* mac.l @Rm+,@Rn+ */
838 {
839 TCGv arg0, arg1;
840 arg0 = tcg_temp_new(TCG_TYPE_I32);
841 tcg_gen_qemu_ld32s(arg0, REG(B7_4), ctx->memidx);
842 arg1 = tcg_temp_new(TCG_TYPE_I32);
843 tcg_gen_qemu_ld32s(arg1, REG(B11_8), ctx->memidx);
844 tcg_gen_helper_0_2(helper_macl, arg0, arg1);
845 tcg_temp_free(arg1);
846 tcg_temp_free(arg0);
847 tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 4);
848 tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4);
849 }
850 return;
851 case 0x400f: /* mac.w @Rm+,@Rn+ */
852 {
853 TCGv arg0, arg1;
854 arg0 = tcg_temp_new(TCG_TYPE_I32);
855 tcg_gen_qemu_ld32s(arg0, REG(B7_4), ctx->memidx);
856 arg1 = tcg_temp_new(TCG_TYPE_I32);
857 tcg_gen_qemu_ld32s(arg1, REG(B11_8), ctx->memidx);
858 tcg_gen_helper_0_2(helper_macw, arg0, arg1);
859 tcg_temp_free(arg1);
860 tcg_temp_free(arg0);
861 tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 2);
862 tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 2);
863 }
864 return;
865 case 0x0007: /* mul.l Rm,Rn */
866 tcg_gen_mul_i32(cpu_macl, REG(B7_4), REG(B11_8));
867 return;
868 case 0x200f: /* muls.w Rm,Rn */
869 {
870 TCGv arg0, arg1;
871 arg0 = tcg_temp_new(TCG_TYPE_I32);
872 tcg_gen_ext16s_i32(arg0, REG(B7_4));
873 arg1 = tcg_temp_new(TCG_TYPE_I32);
874 tcg_gen_ext16s_i32(arg1, REG(B11_8));
875 tcg_gen_mul_i32(cpu_macl, arg0, arg1);
876 tcg_temp_free(arg1);
877 tcg_temp_free(arg0);
878 }
879 return;
880 case 0x200e: /* mulu.w Rm,Rn */
881 {
882 TCGv arg0, arg1;
883 arg0 = tcg_temp_new(TCG_TYPE_I32);
884 tcg_gen_ext16u_i32(arg0, REG(B7_4));
885 arg1 = tcg_temp_new(TCG_TYPE_I32);
886 tcg_gen_ext16u_i32(arg1, REG(B11_8));
887 tcg_gen_mul_i32(cpu_macl, arg0, arg1);
888 tcg_temp_free(arg1);
889 tcg_temp_free(arg0);
890 }
891 return;
892 case 0x600b: /* neg Rm,Rn */
893 tcg_gen_neg_i32(REG(B11_8), REG(B7_4));
894 return;
895 case 0x600a: /* negc Rm,Rn */
896 tcg_gen_helper_1_1(helper_negc, REG(B11_8), REG(B7_4));
897 return;
898 case 0x6007: /* not Rm,Rn */
899 tcg_gen_not_i32(REG(B11_8), REG(B7_4));
900 return;
901 case 0x200b: /* or Rm,Rn */
902 tcg_gen_or_i32(REG(B11_8), REG(B11_8), REG(B7_4));
903 return;
904 case 0x400c: /* shad Rm,Rn */
905 {
906 int label1 = gen_new_label();
907 int label2 = gen_new_label();
908 int label3 = gen_new_label();
909 int label4 = gen_new_label();
910 TCGv shift = tcg_temp_local_new(TCG_TYPE_I32);
911 tcg_gen_brcondi_i32(TCG_COND_LT, REG(B7_4), 0, label1);
912 /* Rm positive, shift to the left */
913 tcg_gen_andi_i32(shift, REG(B7_4), 0x1f);
914 tcg_gen_shl_i32(REG(B11_8), REG(B11_8), shift);
915 tcg_gen_br(label4);
916 /* Rm negative, shift to the right */
917 gen_set_label(label1);
918 tcg_gen_andi_i32(shift, REG(B7_4), 0x1f);
919 tcg_gen_brcondi_i32(TCG_COND_EQ, shift, 0, label2);
920 tcg_gen_not_i32(shift, REG(B7_4));
921 tcg_gen_andi_i32(shift, shift, 0x1f);
922 tcg_gen_addi_i32(shift, shift, 1);
923 tcg_gen_sar_i32(REG(B11_8), REG(B11_8), shift);
924 tcg_gen_br(label4);
925 /* Rm = -32 */
926 gen_set_label(label2);
927 tcg_gen_brcondi_i32(TCG_COND_LT, REG(B11_8), 0, label3);
928 tcg_gen_movi_i32(REG(B11_8), 0);
929 tcg_gen_br(label4);
930 gen_set_label(label3);
931 tcg_gen_movi_i32(REG(B11_8), 0xffffffff);
932 gen_set_label(label4);
933 tcg_temp_free(shift);
934 }
935 return;
936 case 0x400d: /* shld Rm,Rn */
937 {
938 int label1 = gen_new_label();
939 int label2 = gen_new_label();
940 int label3 = gen_new_label();
941 TCGv shift = tcg_temp_local_new(TCG_TYPE_I32);
942 tcg_gen_brcondi_i32(TCG_COND_LT, REG(B7_4), 0, label1);
943 /* Rm positive, shift to the left */
944 tcg_gen_andi_i32(shift, REG(B7_4), 0x1f);
945 tcg_gen_shl_i32(REG(B11_8), REG(B11_8), shift);
946 tcg_gen_br(label3);
947 /* Rm negative, shift to the right */
948 gen_set_label(label1);
949 tcg_gen_andi_i32(shift, REG(B7_4), 0x1f);
950 tcg_gen_brcondi_i32(TCG_COND_EQ, shift, 0, label2);
951 tcg_gen_not_i32(shift, REG(B7_4));
952 tcg_gen_andi_i32(shift, shift, 0x1f);
953 tcg_gen_addi_i32(shift, shift, 1);
954 tcg_gen_shr_i32(REG(B11_8), REG(B11_8), shift);
955 tcg_gen_br(label3);
956 /* Rm = -32 */
957 gen_set_label(label2);
958 tcg_gen_movi_i32(REG(B11_8), 0);
959 gen_set_label(label3);
960 tcg_temp_free(shift);
961 }
962 return;
963 case 0x3008: /* sub Rm,Rn */
964 tcg_gen_sub_i32(REG(B11_8), REG(B11_8), REG(B7_4));
965 return;
966 case 0x300a: /* subc Rm,Rn */
967 tcg_gen_helper_1_2(helper_subc, REG(B11_8), REG(B7_4), REG(B11_8));
968 return;
969 case 0x300b: /* subv Rm,Rn */
970 tcg_gen_helper_1_2(helper_subv, REG(B11_8), REG(B7_4), REG(B11_8));
971 return;
972 case 0x2008: /* tst Rm,Rn */
973 {
974 TCGv val = tcg_temp_new(TCG_TYPE_I32);
975 tcg_gen_and_i32(val, REG(B7_4), REG(B11_8));
976 gen_cmp_imm(TCG_COND_EQ, val, 0);
977 tcg_temp_free(val);
978 }
979 return;
980 case 0x200a: /* xor Rm,Rn */
981 tcg_gen_xor_i32(REG(B11_8), REG(B11_8), REG(B7_4));
982 return;
983 case 0xf00c: /* fmov {F,D,X}Rm,{F,D,X}Rn - FPSCR: Nothing */
984 if (ctx->fpscr & FPSCR_SZ) {
985 TCGv fp = tcg_temp_new(TCG_TYPE_I64);
986 gen_load_fpr64(fp, XREG(B7_4));
987 gen_store_fpr64(fp, XREG(B11_8));
988 tcg_temp_free(fp);
989 } else {
990 TCGv fp = tcg_temp_new(TCG_TYPE_I32);
991 gen_load_fpr32(fp, FREG(B7_4));
992 gen_store_fpr32(fp, FREG(B11_8));
993 tcg_temp_free(fp);
994 }
995 return;
996 case 0xf00a: /* fmov {F,D,X}Rm,@Rn - FPSCR: Nothing */
997 if (ctx->fpscr & FPSCR_SZ) {
998 TCGv fp = tcg_temp_new(TCG_TYPE_I64);
999 gen_load_fpr64(fp, XREG(B7_4));
1000 tcg_gen_qemu_st64(fp, REG(B11_8), ctx->memidx);
1001 tcg_temp_free(fp);
1002 } else {
1003 TCGv fp = tcg_temp_new(TCG_TYPE_I32);
1004 gen_load_fpr32(fp, FREG(B7_4));
1005 tcg_gen_qemu_st32(fp, REG(B11_8), ctx->memidx);
1006 tcg_temp_free(fp);
1007 }
1008 return;
1009 case 0xf008: /* fmov @Rm,{F,D,X}Rn - FPSCR: Nothing */
1010 if (ctx->fpscr & FPSCR_SZ) {
1011 TCGv fp = tcg_temp_new(TCG_TYPE_I64);
1012 tcg_gen_qemu_ld64(fp, REG(B7_4), ctx->memidx);
1013 gen_store_fpr64(fp, XREG(B11_8));
1014 tcg_temp_free(fp);
1015 } else {
1016 TCGv fp = tcg_temp_new(TCG_TYPE_I32);
1017 tcg_gen_qemu_ld32u(fp, REG(B7_4), ctx->memidx);
1018 gen_store_fpr32(fp, FREG(B11_8));
1019 tcg_temp_free(fp);
1020 }
1021 return;
1022 case 0xf009: /* fmov @Rm+,{F,D,X}Rn - FPSCR: Nothing */
1023 if (ctx->fpscr & FPSCR_SZ) {
1024 TCGv fp = tcg_temp_new(TCG_TYPE_I64);
1025 tcg_gen_qemu_ld64(fp, REG(B7_4), ctx->memidx);
1026 gen_store_fpr64(fp, XREG(B11_8));
1027 tcg_temp_free(fp);
1028 tcg_gen_addi_i32(REG(B7_4),REG(B7_4), 8);
1029 } else {
1030 TCGv fp = tcg_temp_new(TCG_TYPE_I32);
1031 tcg_gen_qemu_ld32u(fp, REG(B7_4), ctx->memidx);
1032 gen_store_fpr32(fp, FREG(B11_8));
1033 tcg_temp_free(fp);
1034 tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 4);
1035 }
1036 return;
1037 case 0xf00b: /* fmov {F,D,X}Rm,@-Rn - FPSCR: Nothing */
1038 if (ctx->fpscr & FPSCR_SZ) {
1039 TCGv addr, fp;
1040 addr = tcg_temp_new(TCG_TYPE_I32);
1041 tcg_gen_subi_i32(addr, REG(B11_8), 8);
1042 fp = tcg_temp_new(TCG_TYPE_I64);
1043 gen_load_fpr64(fp, XREG(B7_4));
1044 tcg_gen_qemu_st64(fp, addr, ctx->memidx);
1045 tcg_temp_free(fp);
1046 tcg_temp_free(addr);
1047 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 8);
1048 } else {
1049 TCGv addr, fp;
1050 addr = tcg_temp_new(TCG_TYPE_I32);
1051 tcg_gen_subi_i32(addr, REG(B11_8), 4);
1052 fp = tcg_temp_new(TCG_TYPE_I32);
1053 gen_load_fpr32(fp, FREG(B7_4));
1054 tcg_gen_qemu_st32(fp, addr, ctx->memidx);
1055 tcg_temp_free(fp);
1056 tcg_temp_free(addr);
1057 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
1058 }
1059 return;
1060 case 0xf006: /* fmov @(R0,Rm),{F,D,X}Rm - FPSCR: Nothing */
1061 {
1062 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
1063 tcg_gen_add_i32(addr, REG(B7_4), REG(0));
1064 if (ctx->fpscr & FPSCR_SZ) {
1065 TCGv fp = tcg_temp_new(TCG_TYPE_I64);
1066 tcg_gen_qemu_ld64(fp, addr, ctx->memidx);
1067 gen_store_fpr64(fp, XREG(B11_8));
1068 tcg_temp_free(fp);
1069 } else {
1070 TCGv fp = tcg_temp_new(TCG_TYPE_I32);
1071 tcg_gen_qemu_ld32u(fp, addr, ctx->memidx);
1072 gen_store_fpr32(fp, FREG(B11_8));
1073 tcg_temp_free(fp);
1074 }
1075 tcg_temp_free(addr);
1076 }
1077 return;
1078 case 0xf007: /* fmov {F,D,X}Rn,@(R0,Rn) - FPSCR: Nothing */
1079 {
1080 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
1081 tcg_gen_add_i32(addr, REG(B11_8), REG(0));
1082 if (ctx->fpscr & FPSCR_SZ) {
1083 TCGv fp = tcg_temp_new(TCG_TYPE_I64);
1084 gen_load_fpr64(fp, XREG(B7_4));
1085 tcg_gen_qemu_st64(fp, addr, ctx->memidx);
1086 tcg_temp_free(fp);
1087 } else {
1088 TCGv fp = tcg_temp_new(TCG_TYPE_I32);
1089 gen_load_fpr32(fp, FREG(B7_4));
1090 tcg_gen_qemu_st32(fp, addr, ctx->memidx);
1091 tcg_temp_free(fp);
1092 }
1093 tcg_temp_free(addr);
1094 }
1095 return;
1096 case 0xf000: /* fadd Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
1097 case 0xf001: /* fsub Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
1098 case 0xf002: /* fmul Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
1099 case 0xf003: /* fdiv Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
1100 case 0xf004: /* fcmp/eq Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */
1101 case 0xf005: /* fcmp/gt Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */
1102 {
1103 TCGv fp0, fp1;
1104
1105 if (ctx->fpscr & FPSCR_PR) {
1106 if (ctx->opcode & 0x0110)
1107 break; /* illegal instruction */
1108 fp0 = tcg_temp_new(TCG_TYPE_I64);
1109 fp1 = tcg_temp_new(TCG_TYPE_I64);
1110 gen_load_fpr64(fp0, DREG(B11_8));
1111 gen_load_fpr64(fp1, DREG(B7_4));
1112 }
1113 else {
1114 fp0 = tcg_temp_new(TCG_TYPE_I32);
1115 fp1 = tcg_temp_new(TCG_TYPE_I32);
1116 gen_load_fpr32(fp0, FREG(B11_8));
1117 gen_load_fpr32(fp1, FREG(B7_4));
1118 }
1119
1120 switch (ctx->opcode & 0xf00f) {
1121 case 0xf000: /* fadd Rm,Rn */
1122 if (ctx->fpscr & FPSCR_PR)
1123 tcg_gen_helper_1_2(helper_fadd_DT, fp0, fp0, fp1);
1124 else
1125 tcg_gen_helper_1_2(helper_fadd_FT, fp0, fp0, fp1);
1126 break;
1127 case 0xf001: /* fsub Rm,Rn */
1128 if (ctx->fpscr & FPSCR_PR)
1129 tcg_gen_helper_1_2(helper_fsub_DT, fp0, fp0, fp1);
1130 else
1131 tcg_gen_helper_1_2(helper_fsub_FT, fp0, fp0, fp1);
1132 break;
1133 case 0xf002: /* fmul Rm,Rn */
1134 if (ctx->fpscr & FPSCR_PR)
1135 tcg_gen_helper_1_2(helper_fmul_DT, fp0, fp0, fp1);
1136 else
1137 tcg_gen_helper_1_2(helper_fmul_FT, fp0, fp0, fp1);
1138 break;
1139 case 0xf003: /* fdiv Rm,Rn */
1140 if (ctx->fpscr & FPSCR_PR)
1141 tcg_gen_helper_1_2(helper_fdiv_DT, fp0, fp0, fp1);
1142 else
1143 tcg_gen_helper_1_2(helper_fdiv_FT, fp0, fp0, fp1);
1144 break;
1145 case 0xf004: /* fcmp/eq Rm,Rn */
1146 if (ctx->fpscr & FPSCR_PR)
1147 tcg_gen_helper_0_2(helper_fcmp_eq_DT, fp0, fp1);
1148 else
1149 tcg_gen_helper_0_2(helper_fcmp_eq_FT, fp0, fp1);
1150 return;
1151 case 0xf005: /* fcmp/gt Rm,Rn */
1152 if (ctx->fpscr & FPSCR_PR)
1153 tcg_gen_helper_0_2(helper_fcmp_gt_DT, fp0, fp1);
1154 else
1155 tcg_gen_helper_0_2(helper_fcmp_gt_FT, fp0, fp1);
1156 return;
1157 }
1158
1159 if (ctx->fpscr & FPSCR_PR) {
1160 gen_store_fpr64(fp0, DREG(B11_8));
1161 }
1162 else {
1163 gen_store_fpr32(fp0, FREG(B11_8));
1164 }
1165 tcg_temp_free(fp1);
1166 tcg_temp_free(fp0);
1167 }
1168 return;
1169 }
1170
1171 switch (ctx->opcode & 0xff00) {
1172 case 0xc900: /* and #imm,R0 */
1173 tcg_gen_andi_i32(REG(0), REG(0), B7_0);
1174 return;
1175 case 0xcd00: /* and.b #imm,@(R0,GBR) */
1176 {
1177 TCGv addr, val;
1178 addr = tcg_temp_new(TCG_TYPE_I32);
1179 tcg_gen_add_i32(addr, REG(0), cpu_gbr);
1180 val = tcg_temp_new(TCG_TYPE_I32);
1181 tcg_gen_qemu_ld8u(val, addr, ctx->memidx);
1182 tcg_gen_andi_i32(val, val, B7_0);
1183 tcg_gen_qemu_st8(val, addr, ctx->memidx);
1184 tcg_temp_free(val);
1185 tcg_temp_free(addr);
1186 }
1187 return;
1188 case 0x8b00: /* bf label */
1189 CHECK_NOT_DELAY_SLOT
1190 gen_conditional_jump(ctx, ctx->pc + 2,
1191 ctx->pc + 4 + B7_0s * 2);
1192 ctx->bstate = BS_BRANCH;
1193 return;
1194 case 0x8f00: /* bf/s label */
1195 CHECK_NOT_DELAY_SLOT
1196 gen_branch_slot(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2, 0);
1197 ctx->flags |= DELAY_SLOT_CONDITIONAL;
1198 return;
1199 case 0x8900: /* bt label */
1200 CHECK_NOT_DELAY_SLOT
1201 gen_conditional_jump(ctx, ctx->pc + 4 + B7_0s * 2,
1202 ctx->pc + 2);
1203 ctx->bstate = BS_BRANCH;
1204 return;
1205 case 0x8d00: /* bt/s label */
1206 CHECK_NOT_DELAY_SLOT
1207 gen_branch_slot(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2, 1);
1208 ctx->flags |= DELAY_SLOT_CONDITIONAL;
1209 return;
1210 case 0x8800: /* cmp/eq #imm,R0 */
1211 gen_cmp_imm(TCG_COND_EQ, REG(0), B7_0s);
1212 return;
1213 case 0xc400: /* mov.b @(disp,GBR),R0 */
1214 {
1215 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
1216 tcg_gen_addi_i32(addr, cpu_gbr, B7_0);
1217 tcg_gen_qemu_ld8s(REG(0), addr, ctx->memidx);
1218 tcg_temp_free(addr);
1219 }
1220 return;
1221 case 0xc500: /* mov.w @(disp,GBR),R0 */
1222 {
1223 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
1224 tcg_gen_addi_i32(addr, cpu_gbr, B7_0 * 2);
1225 tcg_gen_qemu_ld16s(REG(0), addr, ctx->memidx);
1226 tcg_temp_free(addr);
1227 }
1228 return;
1229 case 0xc600: /* mov.l @(disp,GBR),R0 */
1230 {
1231 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
1232 tcg_gen_addi_i32(addr, cpu_gbr, B7_0 * 4);
1233 tcg_gen_qemu_ld32s(REG(0), addr, ctx->memidx);
1234 tcg_temp_free(addr);
1235 }
1236 return;
1237 case 0xc000: /* mov.b R0,@(disp,GBR) */
1238 {
1239 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
1240 tcg_gen_addi_i32(addr, cpu_gbr, B7_0);
1241 tcg_gen_qemu_st8(REG(0), addr, ctx->memidx);
1242 tcg_temp_free(addr);
1243 }
1244 return;
1245 case 0xc100: /* mov.w R0,@(disp,GBR) */
1246 {
1247 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
1248 tcg_gen_addi_i32(addr, cpu_gbr, B7_0 * 2);
1249 tcg_gen_qemu_st16(REG(0), addr, ctx->memidx);
1250 tcg_temp_free(addr);
1251 }
1252 return;
1253 case 0xc200: /* mov.l R0,@(disp,GBR) */
1254 {
1255 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
1256 tcg_gen_addi_i32(addr, cpu_gbr, B7_0 * 4);
1257 tcg_gen_qemu_st32(REG(0), addr, ctx->memidx);
1258 tcg_temp_free(addr);
1259 }
1260 return;
1261 case 0x8000: /* mov.b R0,@(disp,Rn) */
1262 {
1263 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
1264 tcg_gen_addi_i32(addr, REG(B7_4), B3_0);
1265 tcg_gen_qemu_st8(REG(0), addr, ctx->memidx);
1266 tcg_temp_free(addr);
1267 }
1268 return;
1269 case 0x8100: /* mov.w R0,@(disp,Rn) */
1270 {
1271 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
1272 tcg_gen_addi_i32(addr, REG(B7_4), B3_0 * 2);
1273 tcg_gen_qemu_st16(REG(0), addr, ctx->memidx);
1274 tcg_temp_free(addr);
1275 }
1276 return;
1277 case 0x8400: /* mov.b @(disp,Rn),R0 */
1278 {
1279 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
1280 tcg_gen_addi_i32(addr, REG(B7_4), B3_0);
1281 tcg_gen_qemu_ld8s(REG(0), addr, ctx->memidx);
1282 tcg_temp_free(addr);
1283 }
1284 return;
1285 case 0x8500: /* mov.w @(disp,Rn),R0 */
1286 {
1287 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
1288 tcg_gen_addi_i32(addr, REG(B7_4), B3_0 * 2);
1289 tcg_gen_qemu_ld16s(REG(0), addr, ctx->memidx);
1290 tcg_temp_free(addr);
1291 }
1292 return;
1293 case 0xc700: /* mova @(disp,PC),R0 */
1294 tcg_gen_movi_i32(REG(0), ((ctx->pc & 0xfffffffc) + 4 + B7_0 * 4) & ~3);
1295 return;
1296 case 0xcb00: /* or #imm,R0 */
1297 tcg_gen_ori_i32(REG(0), REG(0), B7_0);
1298 return;
1299 case 0xcf00: /* or.b #imm,@(R0,GBR) */
1300 {
1301 TCGv addr, val;
1302 addr = tcg_temp_new(TCG_TYPE_I32);
1303 tcg_gen_add_i32(addr, REG(0), cpu_gbr);
1304 val = tcg_temp_new(TCG_TYPE_I32);
1305 tcg_gen_qemu_ld8u(val, addr, ctx->memidx);
1306 tcg_gen_ori_i32(val, val, B7_0);
1307 tcg_gen_qemu_st8(val, addr, ctx->memidx);
1308 tcg_temp_free(val);
1309 tcg_temp_free(addr);
1310 }
1311 return;
1312 case 0xc300: /* trapa #imm */
1313 {
1314 TCGv imm;
1315 CHECK_NOT_DELAY_SLOT
1316 tcg_gen_movi_i32(cpu_pc, ctx->pc);
1317 imm = tcg_const_i32(B7_0);
1318 tcg_gen_helper_0_1(helper_trapa, imm);
1319 tcg_temp_free(imm);
1320 ctx->bstate = BS_BRANCH;
1321 }
1322 return;
1323 case 0xc800: /* tst #imm,R0 */
1324 {
1325 TCGv val = tcg_temp_new(TCG_TYPE_I32);
1326 tcg_gen_andi_i32(val, REG(0), B7_0);
1327 gen_cmp_imm(TCG_COND_EQ, val, 0);
1328 tcg_temp_free(val);
1329 }
1330 return;
1331 case 0xcc00: /* tst.b #imm,@(R0,GBR) */
1332 {
1333 TCGv val = tcg_temp_new(TCG_TYPE_I32);
1334 tcg_gen_add_i32(val, REG(0), cpu_gbr);
1335 tcg_gen_qemu_ld8u(val, val, ctx->memidx);
1336 tcg_gen_andi_i32(val, val, B7_0);
1337 gen_cmp_imm(TCG_COND_EQ, val, 0);
1338 tcg_temp_free(val);
1339 }
1340 return;
1341 case 0xca00: /* xor #imm,R0 */
1342 tcg_gen_xori_i32(REG(0), REG(0), B7_0);
1343 return;
1344 case 0xce00: /* xor.b #imm,@(R0,GBR) */
1345 {
1346 TCGv addr, val;
1347 addr = tcg_temp_new(TCG_TYPE_I32);
1348 tcg_gen_add_i32(addr, REG(0), cpu_gbr);
1349 val = tcg_temp_new(TCG_TYPE_I32);
1350 tcg_gen_qemu_ld8u(val, addr, ctx->memidx);
1351 tcg_gen_xori_i32(val, val, B7_0);
1352 tcg_gen_qemu_st8(val, addr, ctx->memidx);
1353 tcg_temp_free(val);
1354 tcg_temp_free(addr);
1355 }
1356 return;
1357 }
1358
1359 switch (ctx->opcode & 0xf08f) {
1360 case 0x408e: /* ldc Rm,Rn_BANK */
1361 CHECK_PRIVILEGED
1362 tcg_gen_mov_i32(ALTREG(B6_4), REG(B11_8));
1363 return;
1364 case 0x4087: /* ldc.l @Rm+,Rn_BANK */
1365 CHECK_PRIVILEGED
1366 tcg_gen_qemu_ld32s(ALTREG(B6_4), REG(B11_8), ctx->memidx);
1367 tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4);
1368 return;
1369 case 0x0082: /* stc Rm_BANK,Rn */
1370 CHECK_PRIVILEGED
1371 tcg_gen_mov_i32(REG(B11_8), ALTREG(B6_4));
1372 return;
1373 case 0x4083: /* stc.l Rm_BANK,@-Rn */
1374 CHECK_PRIVILEGED
1375 {
1376 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
1377 tcg_gen_subi_i32(addr, REG(B11_8), 4);
1378 tcg_gen_qemu_st32(ALTREG(B6_4), addr, ctx->memidx);
1379 tcg_temp_free(addr);
1380 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
1381 }
1382 return;
1383 }
1384
1385 switch (ctx->opcode & 0xf0ff) {
1386 case 0x0023: /* braf Rn */
1387 CHECK_NOT_DELAY_SLOT
1388 tcg_gen_addi_i32(cpu_delayed_pc, REG(B11_8), ctx->pc + 4);
1389 ctx->flags |= DELAY_SLOT;
1390 ctx->delayed_pc = (uint32_t) - 1;
1391 return;
1392 case 0x0003: /* bsrf Rn */
1393 CHECK_NOT_DELAY_SLOT
1394 tcg_gen_movi_i32(cpu_pr, ctx->pc + 4);
1395 tcg_gen_add_i32(cpu_delayed_pc, REG(B11_8), cpu_pr);
1396 ctx->flags |= DELAY_SLOT;
1397 ctx->delayed_pc = (uint32_t) - 1;
1398 return;
1399 case 0x4015: /* cmp/pl Rn */
1400 gen_cmp_imm(TCG_COND_GT, REG(B11_8), 0);
1401 return;
1402 case 0x4011: /* cmp/pz Rn */
1403 gen_cmp_imm(TCG_COND_GE, REG(B11_8), 0);
1404 return;
1405 case 0x4010: /* dt Rn */
1406 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 1);
1407 gen_cmp_imm(TCG_COND_EQ, REG(B11_8), 0);
1408 return;
1409 case 0x402b: /* jmp @Rn */
1410 CHECK_NOT_DELAY_SLOT
1411 tcg_gen_mov_i32(cpu_delayed_pc, REG(B11_8));
1412 ctx->flags |= DELAY_SLOT;
1413 ctx->delayed_pc = (uint32_t) - 1;
1414 return;
1415 case 0x400b: /* jsr @Rn */
1416 CHECK_NOT_DELAY_SLOT
1417 tcg_gen_movi_i32(cpu_pr, ctx->pc + 4);
1418 tcg_gen_mov_i32(cpu_delayed_pc, REG(B11_8));
1419 ctx->flags |= DELAY_SLOT;
1420 ctx->delayed_pc = (uint32_t) - 1;
1421 return;
1422 case 0x400e: /* ldc Rm,SR */
1423 CHECK_PRIVILEGED
1424 tcg_gen_andi_i32(cpu_sr, REG(B11_8), 0x700083f3);
1425 ctx->bstate = BS_STOP;
1426 return;
1427 case 0x4007: /* ldc.l @Rm+,SR */
1428 CHECK_PRIVILEGED
1429 {
1430 TCGv val = tcg_temp_new(TCG_TYPE_I32);
1431 tcg_gen_qemu_ld32s(val, REG(B11_8), ctx->memidx);
1432 tcg_gen_andi_i32(cpu_sr, val, 0x700083f3);
1433 tcg_temp_free(val);
1434 tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4);
1435 ctx->bstate = BS_STOP;
1436 }
1437 return;
1438 case 0x0002: /* stc SR,Rn */
1439 CHECK_PRIVILEGED
1440 tcg_gen_mov_i32(REG(B11_8), cpu_sr);
1441 return;
1442 case 0x4003: /* stc SR,@-Rn */
1443 CHECK_PRIVILEGED
1444 {
1445 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
1446 tcg_gen_subi_i32(addr, REG(B11_8), 4);
1447 tcg_gen_qemu_st32(cpu_sr, addr, ctx->memidx);
1448 tcg_temp_free(addr);
1449 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
1450 }
1451 return;
1452 #define LDST(reg,ldnum,ldpnum,stnum,stpnum,prechk) \
1453 case ldnum: \
1454 prechk \
1455 tcg_gen_mov_i32 (cpu_##reg, REG(B11_8)); \
1456 return; \
1457 case ldpnum: \
1458 prechk \
1459 tcg_gen_qemu_ld32s (cpu_##reg, REG(B11_8), ctx->memidx); \
1460 tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4); \
1461 return; \
1462 case stnum: \
1463 prechk \
1464 tcg_gen_mov_i32 (REG(B11_8), cpu_##reg); \
1465 return; \
1466 case stpnum: \
1467 prechk \
1468 { \
1469 TCGv addr = tcg_temp_new(TCG_TYPE_I32); \
1470 tcg_gen_subi_i32(addr, REG(B11_8), 4); \
1471 tcg_gen_qemu_st32 (cpu_##reg, addr, ctx->memidx); \
1472 tcg_temp_free(addr); \
1473 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4); \
1474 } \
1475 return;
1476 LDST(gbr, 0x401e, 0x4017, 0x0012, 0x4013, {})
1477 LDST(vbr, 0x402e, 0x4027, 0x0022, 0x4023, CHECK_PRIVILEGED)
1478 LDST(ssr, 0x403e, 0x4037, 0x0032, 0x4033, CHECK_PRIVILEGED)
1479 LDST(spc, 0x404e, 0x4047, 0x0042, 0x4043, CHECK_PRIVILEGED)
1480 LDST(dbr, 0x40fa, 0x40f6, 0x00fa, 0x40f2, CHECK_PRIVILEGED)
1481 LDST(mach, 0x400a, 0x4006, 0x000a, 0x4002, {})
1482 LDST(macl, 0x401a, 0x4016, 0x001a, 0x4012, {})
1483 LDST(pr, 0x402a, 0x4026, 0x002a, 0x4022, {})
1484 LDST(fpul, 0x405a, 0x4056, 0x005a, 0x4052, {})
1485 case 0x406a: /* lds Rm,FPSCR */
1486 tcg_gen_helper_0_1(helper_ld_fpscr, REG(B11_8));
1487 ctx->bstate = BS_STOP;
1488 return;
1489 case 0x4066: /* lds.l @Rm+,FPSCR */
1490 {
1491 TCGv addr = tcg_temp_new(TCG_TYPE_I32);
1492 tcg_gen_qemu_ld32s(addr, REG(B11_8), ctx->memidx);
1493 tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4);
1494 tcg_gen_helper_0_1(helper_ld_fpscr, addr);
1495 tcg_temp_free(addr);
1496 ctx->bstate = BS_STOP;
1497 }
1498 return;
1499 case 0x006a: /* sts FPSCR,Rn */
1500 tcg_gen_andi_i32(REG(B11_8), cpu_fpscr, 0x003fffff);
1501 return;
1502 case 0x4062: /* sts FPSCR,@-Rn */
1503 {
1504 TCGv addr, val;
1505 val = tcg_temp_new(TCG_TYPE_I32);
1506 tcg_gen_andi_i32(val, cpu_fpscr, 0x003fffff);
1507 addr = tcg_temp_new(TCG_TYPE_I32);
1508 tcg_gen_subi_i32(addr, REG(B11_8), 4);
1509 tcg_gen_qemu_st32(val, addr, ctx->memidx);
1510 tcg_temp_free(addr);
1511 tcg_temp_free(val);
1512 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
1513 }
1514 return;
1515 case 0x00c3: /* movca.l R0,@Rm */
1516 tcg_gen_qemu_st32(REG(0), REG(B11_8), ctx->memidx);
1517 return;
1518 case 0x0029: /* movt Rn */
1519 tcg_gen_andi_i32(REG(B11_8), cpu_sr, SR_T);
1520 return;
1521 case 0x0093: /* ocbi @Rn */
1522 {
1523 TCGv dummy = tcg_temp_new(TCG_TYPE_I32);
1524 tcg_gen_qemu_ld32s(dummy, REG(B11_8), ctx->memidx);
1525 tcg_temp_free(dummy);
1526 }
1527 return;
1528 case 0x00a3: /* ocbp @Rn */
1529 {
1530 TCGv dummy = tcg_temp_new(TCG_TYPE_I32);
1531 tcg_gen_qemu_ld32s(dummy, REG(B11_8), ctx->memidx);
1532 tcg_temp_free(dummy);
1533 }
1534 return;
1535 case 0x00b3: /* ocbwb @Rn */
1536 {
1537 TCGv dummy = tcg_temp_new(TCG_TYPE_I32);
1538 tcg_gen_qemu_ld32s(dummy, REG(B11_8), ctx->memidx);
1539 tcg_temp_free(dummy);
1540 }
1541 return;
1542 case 0x0083: /* pref @Rn */
1543 return;
1544 case 0x4024: /* rotcl Rn */
1545 {
1546 TCGv tmp = tcg_temp_new(TCG_TYPE_I32);
1547 tcg_gen_mov_i32(tmp, cpu_sr);
1548 gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 31);
1549 tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 1);
1550 gen_copy_bit_i32(REG(B11_8), 0, tmp, 0);
1551 tcg_temp_free(tmp);
1552 }
1553 return;
1554 case 0x4025: /* rotcr Rn */
1555 {
1556 TCGv tmp = tcg_temp_new(TCG_TYPE_I32);
1557 tcg_gen_mov_i32(tmp, cpu_sr);
1558 gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 0);
1559 tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 1);
1560 gen_copy_bit_i32(REG(B11_8), 31, tmp, 0);
1561 tcg_temp_free(tmp);
1562 }
1563 return;
1564 case 0x4004: /* rotl Rn */
1565 gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 31);
1566 tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 1);
1567 gen_copy_bit_i32(REG(B11_8), 0, cpu_sr, 0);
1568 return;
1569 case 0x4005: /* rotr Rn */
1570 gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 0);
1571 tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 1);
1572 gen_copy_bit_i32(REG(B11_8), 31, cpu_sr, 0);
1573 return;
1574 case 0x4000: /* shll Rn */
1575 case 0x4020: /* shal Rn */
1576 gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 31);
1577 tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 1);
1578 return;
1579 case 0x4021: /* shar Rn */
1580 gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 0);
1581 tcg_gen_sari_i32(REG(B11_8), REG(B11_8), 1);
1582 return;
1583 case 0x4001: /* shlr Rn */
1584 gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 0);
1585 tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 1);
1586 return;
1587 case 0x4008: /* shll2 Rn */
1588 tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 2);
1589 return;
1590 case 0x4018: /* shll8 Rn */
1591 tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 8);
1592 return;
1593 case 0x4028: /* shll16 Rn */
1594 tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 16);
1595 return;
1596 case 0x4009: /* shlr2 Rn */
1597 tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 2);
1598 return;
1599 case 0x4019: /* shlr8 Rn */
1600 tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 8);
1601 return;
1602 case 0x4029: /* shlr16 Rn */
1603 tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 16);
1604 return;
1605 case 0x401b: /* tas.b @Rn */
1606 {
1607 TCGv addr, val;
1608 addr = tcg_temp_local_new(TCG_TYPE_I32);
1609 tcg_gen_mov_i32(addr, REG(B11_8));
1610 val = tcg_temp_local_new(TCG_TYPE_I32);
1611 tcg_gen_qemu_ld8u(val, addr, ctx->memidx);
1612 gen_cmp_imm(TCG_COND_EQ, val, 0);
1613 tcg_gen_ori_i32(val, val, 0x80);
1614 tcg_gen_qemu_st8(val, addr, ctx->memidx);
1615 tcg_temp_free(val);
1616 tcg_temp_free(addr);
1617 }
1618 return;
1619 case 0xf00d: /* fsts FPUL,FRn - FPSCR: Nothing */
1620 {
1621 TCGv fp = tcg_temp_new(TCG_TYPE_I32);
1622 tcg_gen_mov_i32(fp, cpu_fpul);
1623 gen_store_fpr32(fp, FREG(B11_8));
1624 tcg_temp_free(fp);
1625 }
1626 return;
1627 case 0xf01d: /* flds FRm,FPUL - FPSCR: Nothing */
1628 {
1629 TCGv fp = tcg_temp_new(TCG_TYPE_I32);
1630 gen_load_fpr32(fp, FREG(B11_8));
1631 tcg_gen_mov_i32(cpu_fpul, fp);
1632 tcg_temp_free(fp);
1633 }
1634 return;
1635 case 0xf02d: /* float FPUL,FRn/DRn - FPSCR: R[PR,Enable.I]/W[Cause,Flag] */
1636 if (ctx->fpscr & FPSCR_PR) {
1637 TCGv fp;
1638 if (ctx->opcode & 0x0100)
1639 break; /* illegal instruction */
1640 fp = tcg_temp_new(TCG_TYPE_I64);
1641 tcg_gen_helper_1_1(helper_float_DT, fp, cpu_fpul);
1642 gen_store_fpr64(fp, DREG(B11_8));
1643 tcg_temp_free(fp);
1644 }
1645 else {
1646 TCGv fp = tcg_temp_new(TCG_TYPE_I32);
1647 tcg_gen_helper_1_1(helper_float_FT, fp, cpu_fpul);
1648 gen_store_fpr32(fp, FREG(B11_8));
1649 tcg_temp_free(fp);
1650 }
1651 return;
1652 case 0xf03d: /* ftrc FRm/DRm,FPUL - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */
1653 if (ctx->fpscr & FPSCR_PR) {
1654 TCGv fp;
1655 if (ctx->opcode & 0x0100)
1656 break; /* illegal instruction */
1657 fp = tcg_temp_new(TCG_TYPE_I64);
1658 gen_load_fpr64(fp, DREG(B11_8));
1659 tcg_gen_helper_1_1(helper_ftrc_DT, cpu_fpul, fp);
1660 tcg_temp_free(fp);
1661 }
1662 else {
1663 TCGv fp = tcg_temp_new(TCG_TYPE_I32);
1664 gen_load_fpr32(fp, FREG(B11_8));
1665 tcg_gen_helper_1_1(helper_ftrc_FT, cpu_fpul, fp);
1666 tcg_temp_free(fp);
1667 }
1668 return;
1669 case 0xf04d: /* fneg FRn/DRn - FPSCR: Nothing */
1670 {
1671 TCGv fp = tcg_temp_new(TCG_TYPE_I32);
1672 gen_load_fpr32(fp, FREG(B11_8));
1673 tcg_gen_helper_1_1(helper_fneg_T, fp, fp);
1674 gen_store_fpr32(fp, FREG(B11_8));
1675 tcg_temp_free(fp);
1676 }
1677 return;
1678 case 0xf05d: /* fabs FRn/DRn */
1679 if (ctx->fpscr & FPSCR_PR) {
1680 if (ctx->opcode & 0x0100)
1681 break; /* illegal instruction */
1682 TCGv fp = tcg_temp_new(TCG_TYPE_I64);
1683 gen_load_fpr64(fp, DREG(B11_8));
1684 tcg_gen_helper_1_1(helper_fabs_DT, fp, fp);
1685 gen_store_fpr64(fp, DREG(B11_8));
1686 tcg_temp_free(fp);
1687 } else {
1688 TCGv fp = tcg_temp_new(TCG_TYPE_I32);
1689 gen_load_fpr32(fp, FREG(B11_8));
1690 tcg_gen_helper_1_1(helper_fabs_FT, fp, fp);
1691 gen_store_fpr32(fp, FREG(B11_8));
1692 tcg_temp_free(fp);
1693 }
1694 return;
1695 case 0xf06d: /* fsqrt FRn */
1696 if (ctx->fpscr & FPSCR_PR) {
1697 if (ctx->opcode & 0x0100)
1698 break; /* illegal instruction */
1699 TCGv fp = tcg_temp_new(TCG_TYPE_I64);
1700 gen_load_fpr64(fp, DREG(B11_8));
1701 tcg_gen_helper_1_1(helper_fsqrt_DT, fp, fp);
1702 gen_store_fpr64(fp, DREG(B11_8));
1703 tcg_temp_free(fp);
1704 } else {
1705 TCGv fp = tcg_temp_new(TCG_TYPE_I32);
1706 gen_load_fpr32(fp, FREG(B11_8));
1707 tcg_gen_helper_1_1(helper_fsqrt_FT, fp, fp);
1708 gen_store_fpr32(fp, FREG(B11_8));
1709 tcg_temp_free(fp);
1710 }
1711 return;
1712 case 0xf07d: /* fsrra FRn */
1713 break;
1714 case 0xf08d: /* fldi0 FRn - FPSCR: R[PR] */
1715 if (!(ctx->fpscr & FPSCR_PR)) {
1716 TCGv val = tcg_const_i32(0);
1717 gen_load_fpr32(val, FREG(B11_8));
1718 tcg_temp_free(val);
1719 return;
1720 }
1721 break;
1722 case 0xf09d: /* fldi1 FRn - FPSCR: R[PR] */
1723 if (!(ctx->fpscr & FPSCR_PR)) {
1724 TCGv val = tcg_const_i32(0x3f800000);
1725 gen_load_fpr32(val, FREG(B11_8));
1726 tcg_temp_free(val);
1727 return;
1728 }
1729 break;
1730 case 0xf0ad: /* fcnvsd FPUL,DRn */
1731 {
1732 TCGv fp = tcg_temp_new(TCG_TYPE_I64);
1733 tcg_gen_helper_1_1(helper_fcnvsd_FT_DT, fp, cpu_fpul);
1734 gen_store_fpr64(fp, DREG(B11_8));
1735 tcg_temp_free(fp);
1736 }
1737 return;
1738 case 0xf0bd: /* fcnvds DRn,FPUL */
1739 {
1740 TCGv fp = tcg_temp_new(TCG_TYPE_I64);
1741 gen_load_fpr64(fp, DREG(B11_8));
1742 tcg_gen_helper_1_1(helper_fcnvds_DT_FT, cpu_fpul, fp);
1743 tcg_temp_free(fp);
1744 }
1745 return;
1746 }
1747
1748 fprintf(stderr, "unknown instruction 0x%04x at pc 0x%08x\n",
1749 ctx->opcode, ctx->pc);
1750 tcg_gen_helper_0_0(helper_raise_illegal_instruction);
1751 ctx->bstate = BS_EXCP;
1752 }
1753
1754 void decode_opc(DisasContext * ctx)
1755 {
1756 uint32_t old_flags = ctx->flags;
1757
1758 _decode_opc(ctx);
1759
1760 if (old_flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) {
1761 if (ctx->flags & DELAY_SLOT_CLEARME) {
1762 gen_store_flags(0);
1763 } else {
1764 /* go out of the delay slot */
1765 uint32_t new_flags = ctx->flags;
1766 new_flags &= ~(DELAY_SLOT | DELAY_SLOT_CONDITIONAL);
1767 gen_store_flags(new_flags);
1768 }
1769 ctx->flags = 0;
1770 ctx->bstate = BS_BRANCH;
1771 if (old_flags & DELAY_SLOT_CONDITIONAL) {
1772 gen_delayed_conditional_jump(ctx);
1773 } else if (old_flags & DELAY_SLOT) {
1774 gen_jump(ctx);
1775 }
1776
1777 }
1778
1779 /* go into a delay slot */
1780 if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL))
1781 gen_store_flags(ctx->flags);
1782 }
1783
1784 static inline void
1785 gen_intermediate_code_internal(CPUState * env, TranslationBlock * tb,
1786 int search_pc)
1787 {
1788 DisasContext ctx;
1789 target_ulong pc_start;
1790 static uint16_t *gen_opc_end;
1791 int i, ii;
1792 int num_insns;
1793 int max_insns;
1794
1795 pc_start = tb->pc;
1796 gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
1797 ctx.pc = pc_start;
1798 ctx.flags = (uint32_t)tb->flags;
1799 ctx.bstate = BS_NONE;
1800 ctx.sr = env->sr;
1801 ctx.fpscr = env->fpscr;
1802 ctx.memidx = (env->sr & SR_MD) ? 1 : 0;
1803 /* We don't know if the delayed pc came from a dynamic or static branch,
1804 so assume it is a dynamic branch. */
1805 ctx.delayed_pc = -1; /* use delayed pc from env pointer */
1806 ctx.tb = tb;
1807 ctx.singlestep_enabled = env->singlestep_enabled;
1808
1809 #ifdef DEBUG_DISAS
1810 if (loglevel & CPU_LOG_TB_CPU) {
1811 fprintf(logfile,
1812 "------------------------------------------------\n");
1813 cpu_dump_state(env, logfile, fprintf, 0);
1814 }
1815 #endif
1816
1817 ii = -1;
1818 num_insns = 0;
1819 max_insns = tb->cflags & CF_COUNT_MASK;
1820 if (max_insns == 0)
1821 max_insns = CF_COUNT_MASK;
1822 gen_icount_start();
1823 while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) {
1824 if (env->nb_breakpoints > 0) {
1825 for (i = 0; i < env->nb_breakpoints; i++) {
1826 if (ctx.pc == env->breakpoints[i]) {
1827 /* We have hit a breakpoint - make sure PC is up-to-date */
1828 tcg_gen_movi_i32(cpu_pc, ctx.pc);
1829 tcg_gen_helper_0_0(helper_debug);
1830 ctx.bstate = BS_EXCP;
1831 break;
1832 }
1833 }
1834 }
1835 if (search_pc) {
1836 i = gen_opc_ptr - gen_opc_buf;
1837 if (ii < i) {
1838 ii++;
1839 while (ii < i)
1840 gen_opc_instr_start[ii++] = 0;
1841 }
1842 gen_opc_pc[ii] = ctx.pc;
1843 gen_opc_hflags[ii] = ctx.flags;
1844 gen_opc_instr_start[ii] = 1;
1845 gen_opc_icount[ii] = num_insns;
1846 }
1847 if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
1848 gen_io_start();
1849 #if 0
1850 fprintf(stderr, "Loading opcode at address 0x%08x\n", ctx.pc);
1851 fflush(stderr);
1852 #endif
1853 ctx.opcode = lduw_code(ctx.pc);
1854 decode_opc(&ctx);
1855 num_insns++;
1856 ctx.pc += 2;
1857 if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
1858 break;
1859 if (env->singlestep_enabled)
1860 break;
1861 if (num_insns >= max_insns)
1862 break;
1863 #ifdef SH4_SINGLE_STEP
1864 break;
1865 #endif
1866 }
1867 if (tb->cflags & CF_LAST_IO)
1868 gen_io_end();
1869 if (env->singlestep_enabled) {
1870 tcg_gen_helper_0_0(helper_debug);
1871 } else {
1872 switch (ctx.bstate) {
1873 case BS_STOP:
1874 /* gen_op_interrupt_restart(); */
1875 /* fall through */
1876 case BS_NONE:
1877 if (ctx.flags) {
1878 gen_store_flags(ctx.flags | DELAY_SLOT_CLEARME);
1879 }
1880 gen_goto_tb(&ctx, 0, ctx.pc);
1881 break;
1882 case BS_EXCP:
1883 /* gen_op_interrupt_restart(); */
1884 tcg_gen_exit_tb(0);
1885 break;
1886 case BS_BRANCH:
1887 default:
1888 break;
1889 }
1890 }
1891
1892 gen_icount_end(tb, num_insns);
1893 *gen_opc_ptr = INDEX_op_end;
1894 if (search_pc) {
1895 i = gen_opc_ptr - gen_opc_buf;
1896 ii++;
1897 while (ii <= i)
1898 gen_opc_instr_start[ii++] = 0;
1899 } else {
1900 tb->size = ctx.pc - pc_start;
1901 tb->icount = num_insns;
1902 }
1903
1904 #ifdef DEBUG_DISAS
1905 #ifdef SH4_DEBUG_DISAS
1906 if (loglevel & CPU_LOG_TB_IN_ASM)
1907 fprintf(logfile, "\n");
1908 #endif
1909 if (loglevel & CPU_LOG_TB_IN_ASM) {
1910 fprintf(logfile, "IN:\n"); /* , lookup_symbol(pc_start)); */
1911 target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
1912 fprintf(logfile, "\n");
1913 }
1914 #endif
1915 }
1916
1917 void gen_intermediate_code(CPUState * env, struct TranslationBlock *tb)
1918 {
1919 gen_intermediate_code_internal(env, tb, 0);
1920 }
1921
1922 void gen_intermediate_code_pc(CPUState * env, struct TranslationBlock *tb)
1923 {
1924 gen_intermediate_code_internal(env, tb, 1);
1925 }
1926
1927 void gen_pc_load(CPUState *env, TranslationBlock *tb,
1928 unsigned long searched_pc, int pc_pos, void *puc)
1929 {
1930 env->pc = gen_opc_pc[pc_pos];
1931 env->flags = gen_opc_hflags[pc_pos];
1932 }
Samsung s3c2440 and arm920t support for the mini2440 dev board