]>
Commit | Line | Data |
---|---|---|
fdf9b3e8 FB |
1 | /* |
2 | * SH4 translation | |
5fafdf24 | 3 | * |
fdf9b3e8 FB |
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 | ||
35 | enum { | |
36 | #define DEF(s, n, copy_size) INDEX_op_ ## s, | |
37 | #include "opc.h" | |
38 | #undef DEF | |
39 | NB_OPS, | |
40 | }; | |
41 | ||
42 | #ifdef USE_DIRECT_JUMP | |
43 | #define TBPARAM(x) | |
44 | #else | |
45 | #define TBPARAM(x) ((long)(x)) | |
46 | #endif | |
47 | ||
48 | static uint16_t *gen_opc_ptr; | |
49 | static uint32_t *gen_opparam_ptr; | |
50 | ||
51 | #include "gen-op.h" | |
52 | ||
53 | typedef struct DisasContext { | |
54 | struct TranslationBlock *tb; | |
55 | target_ulong pc; | |
56 | uint32_t sr; | |
eda9b09b | 57 | uint32_t fpscr; |
fdf9b3e8 FB |
58 | uint16_t opcode; |
59 | uint32_t flags; | |
60 | int memidx; | |
61 | uint32_t delayed_pc; | |
62 | int singlestep_enabled; | |
63 | } DisasContext; | |
64 | ||
65 | #ifdef CONFIG_USER_ONLY | |
66 | ||
eda9b09b FB |
67 | #define GEN_OP_LD(width, reg) \ |
68 | void gen_op_ld##width##_T0_##reg (DisasContext *ctx) { \ | |
69 | gen_op_ld##width##_T0_##reg##_raw(); \ | |
fdf9b3e8 | 70 | } |
eda9b09b FB |
71 | #define GEN_OP_ST(width, reg) \ |
72 | void gen_op_st##width##_##reg##_T1 (DisasContext *ctx) { \ | |
73 | gen_op_st##width##_##reg##_T1_raw(); \ | |
fdf9b3e8 FB |
74 | } |
75 | ||
76 | #else | |
77 | ||
eda9b09b FB |
78 | #define GEN_OP_LD(width, reg) \ |
79 | void gen_op_ld##width##_T0_##reg (DisasContext *ctx) { \ | |
80 | if (ctx->memidx) gen_op_ld##width##_T0_##reg##_kernel(); \ | |
81 | else gen_op_ld##width##_T0_##reg##_user();\ | |
fdf9b3e8 | 82 | } |
eda9b09b FB |
83 | #define GEN_OP_ST(width, reg) \ |
84 | void gen_op_st##width##_##reg##_T1 (DisasContext *ctx) { \ | |
85 | if (ctx->memidx) gen_op_st##width##_##reg##_T1_kernel(); \ | |
86 | else gen_op_st##width##_##reg##_T1_user();\ | |
fdf9b3e8 FB |
87 | } |
88 | ||
89 | #endif | |
90 | ||
eda9b09b FB |
91 | GEN_OP_LD(ub, T0) |
92 | GEN_OP_LD(b, T0) | |
93 | GEN_OP_ST(b, T0) | |
94 | GEN_OP_LD(uw, T0) | |
95 | GEN_OP_LD(w, T0) | |
96 | GEN_OP_ST(w, T0) | |
97 | GEN_OP_LD(l, T0) | |
98 | GEN_OP_ST(l, T0) | |
99 | GEN_OP_LD(fl, FT0) | |
100 | GEN_OP_ST(fl, FT0) | |
101 | GEN_OP_LD(fq, DT0) | |
102 | GEN_OP_ST(fq, DT0) | |
fdf9b3e8 FB |
103 | |
104 | void cpu_dump_state(CPUState * env, FILE * f, | |
105 | int (*cpu_fprintf) (FILE * f, const char *fmt, ...), | |
106 | int flags) | |
107 | { | |
108 | int i; | |
eda9b09b FB |
109 | cpu_fprintf(f, "pc=0x%08x sr=0x%08x pr=0x%08x fpscr=0x%08x\n", |
110 | env->pc, env->sr, env->pr, env->fpscr); | |
fdf9b3e8 FB |
111 | for (i = 0; i < 24; i += 4) { |
112 | cpu_fprintf(f, "r%d=0x%08x r%d=0x%08x r%d=0x%08x r%d=0x%08x\n", | |
113 | i, env->gregs[i], i + 1, env->gregs[i + 1], | |
114 | i + 2, env->gregs[i + 2], i + 3, env->gregs[i + 3]); | |
115 | } | |
116 | if (env->flags & DELAY_SLOT) { | |
117 | cpu_fprintf(f, "in delay slot (delayed_pc=0x%08x)\n", | |
118 | env->delayed_pc); | |
119 | } else if (env->flags & DELAY_SLOT_CONDITIONAL) { | |
120 | cpu_fprintf(f, "in conditional delay slot (delayed_pc=0x%08x)\n", | |
121 | env->delayed_pc); | |
122 | } | |
123 | } | |
124 | ||
125 | void cpu_sh4_reset(CPUSH4State * env) | |
126 | { | |
9c2a9ea1 | 127 | #if defined(CONFIG_USER_ONLY) |
4c909d14 | 128 | env->sr = SR_FD; /* FD - kernel does lazy fpu context switch */ |
9c2a9ea1 | 129 | #else |
fdf9b3e8 | 130 | env->sr = 0x700000F0; /* MD, RB, BL, I3-I0 */ |
9c2a9ea1 | 131 | #endif |
fdf9b3e8 FB |
132 | env->vbr = 0; |
133 | env->pc = 0xA0000000; | |
ea6cf6be TS |
134 | #if defined(CONFIG_USER_ONLY) |
135 | env->fpscr = FPSCR_PR; /* value for userspace according to the kernel */ | |
136 | env->fp_status.float_rounding_mode = float_round_nearest_even; /* ?! */ | |
137 | #else | |
138 | env->fpscr = 0x00040001; /* CPU reset value according to SH4 manual */ | |
139 | env->fp_status.float_rounding_mode = float_round_to_zero; | |
140 | #endif | |
fdf9b3e8 FB |
141 | env->mmucr = 0; |
142 | } | |
143 | ||
144 | CPUSH4State *cpu_sh4_init(void) | |
145 | { | |
146 | CPUSH4State *env; | |
147 | ||
148 | env = qemu_mallocz(sizeof(CPUSH4State)); | |
149 | if (!env) | |
150 | return NULL; | |
151 | cpu_exec_init(env); | |
152 | cpu_sh4_reset(env); | |
153 | tlb_flush(env, 1); | |
154 | return env; | |
155 | } | |
156 | ||
fdf9b3e8 FB |
157 | static void gen_goto_tb(DisasContext * ctx, int n, target_ulong dest) |
158 | { | |
159 | TranslationBlock *tb; | |
160 | tb = ctx->tb; | |
161 | ||
162 | if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) && | |
163 | !ctx->singlestep_enabled) { | |
164 | /* Use a direct jump if in same page and singlestep not enabled */ | |
165 | if (n == 0) | |
166 | gen_op_goto_tb0(TBPARAM(tb)); | |
167 | else | |
168 | gen_op_goto_tb1(TBPARAM(tb)); | |
169 | gen_op_movl_imm_T0((long) tb + n); | |
170 | } else { | |
171 | gen_op_movl_imm_T0(0); | |
172 | } | |
173 | gen_op_movl_imm_PC(dest); | |
174 | if (ctx->singlestep_enabled) | |
175 | gen_op_debug(); | |
176 | gen_op_exit_tb(); | |
177 | } | |
178 | ||
179 | /* Jump to pc after an exception */ | |
180 | static void gen_jump_exception(DisasContext * ctx) | |
181 | { | |
182 | gen_op_movl_imm_T0(0); | |
183 | if (ctx->singlestep_enabled) | |
184 | gen_op_debug(); | |
185 | gen_op_exit_tb(); | |
186 | } | |
187 | ||
188 | static void gen_jump(DisasContext * ctx) | |
189 | { | |
190 | if (ctx->delayed_pc == (uint32_t) - 1) { | |
191 | /* Target is not statically known, it comes necessarily from a | |
192 | delayed jump as immediate jump are conditinal jumps */ | |
193 | gen_op_movl_delayed_pc_PC(); | |
194 | gen_op_movl_imm_T0(0); | |
195 | if (ctx->singlestep_enabled) | |
196 | gen_op_debug(); | |
197 | gen_op_exit_tb(); | |
198 | } else { | |
199 | gen_goto_tb(ctx, 0, ctx->delayed_pc); | |
200 | } | |
201 | } | |
202 | ||
203 | /* Immediate conditional jump (bt or bf) */ | |
204 | static void gen_conditional_jump(DisasContext * ctx, | |
205 | target_ulong ift, target_ulong ifnott) | |
206 | { | |
207 | int l1; | |
208 | ||
209 | l1 = gen_new_label(); | |
210 | gen_op_jT(l1); | |
211 | gen_goto_tb(ctx, 0, ifnott); | |
212 | gen_set_label(l1); | |
213 | gen_goto_tb(ctx, 1, ift); | |
214 | } | |
215 | ||
216 | /* Delayed conditional jump (bt or bf) */ | |
217 | static void gen_delayed_conditional_jump(DisasContext * ctx) | |
218 | { | |
219 | int l1; | |
220 | ||
221 | l1 = gen_new_label(); | |
9c2a9ea1 PB |
222 | gen_op_jdelayed(l1); |
223 | gen_goto_tb(ctx, 1, ctx->pc); | |
fdf9b3e8 | 224 | gen_set_label(l1); |
9c2a9ea1 | 225 | gen_jump(ctx); |
fdf9b3e8 FB |
226 | } |
227 | ||
228 | #define B3_0 (ctx->opcode & 0xf) | |
229 | #define B6_4 ((ctx->opcode >> 4) & 0x7) | |
230 | #define B7_4 ((ctx->opcode >> 4) & 0xf) | |
231 | #define B7_0 (ctx->opcode & 0xff) | |
232 | #define B7_0s ((int32_t) (int8_t) (ctx->opcode & 0xff)) | |
233 | #define B11_0s (ctx->opcode & 0x800 ? 0xfffff000 | (ctx->opcode & 0xfff) : \ | |
234 | (ctx->opcode & 0xfff)) | |
235 | #define B11_8 ((ctx->opcode >> 8) & 0xf) | |
236 | #define B15_12 ((ctx->opcode >> 12) & 0xf) | |
237 | ||
238 | #define REG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB) ? \ | |
239 | (x) + 16 : (x)) | |
240 | ||
241 | #define ALTREG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) != (SR_MD | SR_RB) \ | |
242 | ? (x) + 16 : (x)) | |
243 | ||
eda9b09b | 244 | #define FREG(x) (ctx->fpscr & FPSCR_FR ? (x) ^ 0x10 : (x)) |
f09111e0 | 245 | #define XHACK(x) ((((x) & 1 ) << 4) | ((x) & 0xe)) |
eda9b09b | 246 | #define XREG(x) (ctx->fpscr & FPSCR_FR ? XHACK(x) ^ 0x10 : XHACK(x)) |
ea6cf6be | 247 | #define DREG(x) FREG(x) /* Assumes lsb of (x) is always 0 */ |
eda9b09b | 248 | |
fdf9b3e8 FB |
249 | #define CHECK_NOT_DELAY_SLOT \ |
250 | if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) \ | |
251 | {gen_op_raise_slot_illegal_instruction (); ctx->flags |= BRANCH_EXCEPTION; \ | |
252 | return;} | |
253 | ||
254 | void decode_opc(DisasContext * ctx) | |
255 | { | |
256 | #if 0 | |
257 | fprintf(stderr, "Translating opcode 0x%04x\n", ctx->opcode); | |
258 | #endif | |
259 | switch (ctx->opcode) { | |
260 | case 0x0019: /* div0u */ | |
fdf9b3e8 FB |
261 | gen_op_div0u(); |
262 | return; | |
263 | case 0x000b: /* rts */ | |
264 | CHECK_NOT_DELAY_SLOT gen_op_rts(); | |
265 | ctx->flags |= DELAY_SLOT; | |
266 | ctx->delayed_pc = (uint32_t) - 1; | |
267 | return; | |
268 | case 0x0028: /* clrmac */ | |
269 | gen_op_clrmac(); | |
270 | return; | |
271 | case 0x0048: /* clrs */ | |
272 | gen_op_clrs(); | |
273 | return; | |
274 | case 0x0008: /* clrt */ | |
275 | gen_op_clrt(); | |
276 | return; | |
277 | case 0x0038: /* ldtlb */ | |
278 | assert(0); /* XXXXX */ | |
279 | return; | |
c5e814b2 | 280 | case 0x002b: /* rte */ |
fdf9b3e8 FB |
281 | CHECK_NOT_DELAY_SLOT gen_op_rte(); |
282 | ctx->flags |= DELAY_SLOT; | |
283 | ctx->delayed_pc = (uint32_t) - 1; | |
284 | return; | |
285 | case 0x0058: /* sets */ | |
286 | gen_op_sets(); | |
287 | return; | |
288 | case 0x0018: /* sett */ | |
289 | gen_op_sett(); | |
290 | return; | |
291 | case 0xfbfb: /* frchg */ | |
eda9b09b FB |
292 | gen_op_frchg(); |
293 | ctx->flags |= MODE_CHANGE; | |
fdf9b3e8 FB |
294 | return; |
295 | case 0xf3fb: /* fschg */ | |
eda9b09b FB |
296 | gen_op_fschg(); |
297 | ctx->flags |= MODE_CHANGE; | |
fdf9b3e8 FB |
298 | return; |
299 | case 0x0009: /* nop */ | |
300 | return; | |
301 | case 0x001b: /* sleep */ | |
302 | assert(0); /* XXXXX */ | |
303 | return; | |
304 | } | |
305 | ||
306 | switch (ctx->opcode & 0xf000) { | |
307 | case 0x1000: /* mov.l Rm,@(disp,Rn) */ | |
308 | gen_op_movl_rN_T0(REG(B7_4)); | |
309 | gen_op_movl_rN_T1(REG(B11_8)); | |
310 | gen_op_addl_imm_T1(B3_0 * 4); | |
311 | gen_op_stl_T0_T1(ctx); | |
312 | return; | |
313 | case 0x5000: /* mov.l @(disp,Rm),Rn */ | |
314 | gen_op_movl_rN_T0(REG(B7_4)); | |
315 | gen_op_addl_imm_T0(B3_0 * 4); | |
316 | gen_op_ldl_T0_T0(ctx); | |
317 | gen_op_movl_T0_rN(REG(B11_8)); | |
318 | return; | |
319 | case 0xe000: /* mov.l #imm,Rn */ | |
320 | gen_op_movl_imm_rN(B7_0s, REG(B11_8)); | |
321 | return; | |
322 | case 0x9000: /* mov.w @(disp,PC),Rn */ | |
323 | gen_op_movl_imm_T0(ctx->pc + 4 + B7_0 * 2); | |
324 | gen_op_ldw_T0_T0(ctx); | |
325 | gen_op_movl_T0_rN(REG(B11_8)); | |
326 | return; | |
327 | case 0xd000: /* mov.l @(disp,PC),Rn */ | |
328 | gen_op_movl_imm_T0((ctx->pc + 4 + B7_0 * 4) & ~3); | |
329 | gen_op_ldl_T0_T0(ctx); | |
330 | gen_op_movl_T0_rN(REG(B11_8)); | |
331 | return; | |
332 | case 0x7000: /* add.l #imm,Rn */ | |
333 | gen_op_add_imm_rN(B7_0s, REG(B11_8)); | |
334 | return; | |
335 | case 0xa000: /* bra disp */ | |
336 | CHECK_NOT_DELAY_SLOT | |
337 | gen_op_bra(ctx->delayed_pc = ctx->pc + 4 + B11_0s * 2); | |
338 | ctx->flags |= DELAY_SLOT; | |
339 | return; | |
340 | case 0xb000: /* bsr disp */ | |
341 | CHECK_NOT_DELAY_SLOT | |
342 | gen_op_bsr(ctx->pc + 4, ctx->delayed_pc = | |
343 | ctx->pc + 4 + B11_0s * 2); | |
344 | ctx->flags |= DELAY_SLOT; | |
345 | return; | |
346 | } | |
347 | ||
348 | switch (ctx->opcode & 0xf00f) { | |
349 | case 0x6003: /* mov Rm,Rn */ | |
350 | gen_op_movl_rN_T0(REG(B7_4)); | |
351 | gen_op_movl_T0_rN(REG(B11_8)); | |
352 | return; | |
353 | case 0x2000: /* mov.b Rm,@Rn */ | |
354 | gen_op_movl_rN_T0(REG(B7_4)); | |
355 | gen_op_movl_rN_T1(REG(B11_8)); | |
356 | gen_op_stb_T0_T1(ctx); | |
357 | return; | |
358 | case 0x2001: /* mov.w Rm,@Rn */ | |
359 | gen_op_movl_rN_T0(REG(B7_4)); | |
360 | gen_op_movl_rN_T1(REG(B11_8)); | |
361 | gen_op_stw_T0_T1(ctx); | |
362 | return; | |
363 | case 0x2002: /* mov.l Rm,@Rn */ | |
364 | gen_op_movl_rN_T0(REG(B7_4)); | |
365 | gen_op_movl_rN_T1(REG(B11_8)); | |
366 | gen_op_stl_T0_T1(ctx); | |
367 | return; | |
368 | case 0x6000: /* mov.b @Rm,Rn */ | |
369 | gen_op_movl_rN_T0(REG(B7_4)); | |
370 | gen_op_ldb_T0_T0(ctx); | |
371 | gen_op_movl_T0_rN(REG(B11_8)); | |
372 | return; | |
373 | case 0x6001: /* mov.w @Rm,Rn */ | |
374 | gen_op_movl_rN_T0(REG(B7_4)); | |
375 | gen_op_ldw_T0_T0(ctx); | |
376 | gen_op_movl_T0_rN(REG(B11_8)); | |
377 | return; | |
378 | case 0x6002: /* mov.l @Rm,Rn */ | |
379 | gen_op_movl_rN_T0(REG(B7_4)); | |
380 | gen_op_ldl_T0_T0(ctx); | |
381 | gen_op_movl_T0_rN(REG(B11_8)); | |
382 | return; | |
383 | case 0x2004: /* mov.b Rm,@-Rn */ | |
384 | gen_op_dec1_rN(REG(B11_8)); | |
385 | gen_op_movl_rN_T0(REG(B7_4)); | |
386 | gen_op_movl_rN_T1(REG(B11_8)); | |
387 | gen_op_stb_T0_T1(ctx); | |
388 | return; | |
389 | case 0x2005: /* mov.w Rm,@-Rn */ | |
390 | gen_op_dec2_rN(REG(B11_8)); | |
391 | gen_op_movl_rN_T0(REG(B7_4)); | |
392 | gen_op_movl_rN_T1(REG(B11_8)); | |
393 | gen_op_stw_T0_T1(ctx); | |
394 | return; | |
395 | case 0x2006: /* mov.l Rm,@-Rn */ | |
396 | gen_op_dec4_rN(REG(B11_8)); | |
397 | gen_op_movl_rN_T0(REG(B7_4)); | |
398 | gen_op_movl_rN_T1(REG(B11_8)); | |
399 | gen_op_stl_T0_T1(ctx); | |
400 | return; | |
eda9b09b | 401 | case 0x6004: /* mov.b @Rm+,Rn */ |
fdf9b3e8 FB |
402 | gen_op_movl_rN_T0(REG(B7_4)); |
403 | gen_op_ldb_T0_T0(ctx); | |
404 | gen_op_movl_T0_rN(REG(B11_8)); | |
405 | gen_op_inc1_rN(REG(B7_4)); | |
406 | return; | |
407 | case 0x6005: /* mov.w @Rm+,Rn */ | |
408 | gen_op_movl_rN_T0(REG(B7_4)); | |
409 | gen_op_ldw_T0_T0(ctx); | |
410 | gen_op_movl_T0_rN(REG(B11_8)); | |
411 | gen_op_inc2_rN(REG(B7_4)); | |
412 | return; | |
413 | case 0x6006: /* mov.l @Rm+,Rn */ | |
414 | gen_op_movl_rN_T0(REG(B7_4)); | |
415 | gen_op_ldl_T0_T0(ctx); | |
416 | gen_op_movl_T0_rN(REG(B11_8)); | |
417 | gen_op_inc4_rN(REG(B7_4)); | |
418 | return; | |
419 | case 0x0004: /* mov.b Rm,@(R0,Rn) */ | |
420 | gen_op_movl_rN_T0(REG(B7_4)); | |
421 | gen_op_movl_rN_T1(REG(B11_8)); | |
422 | gen_op_add_rN_T1(REG(0)); | |
423 | gen_op_stb_T0_T1(ctx); | |
424 | return; | |
425 | case 0x0005: /* mov.w Rm,@(R0,Rn) */ | |
426 | gen_op_movl_rN_T0(REG(B7_4)); | |
427 | gen_op_movl_rN_T1(REG(B11_8)); | |
428 | gen_op_add_rN_T1(REG(0)); | |
429 | gen_op_stw_T0_T1(ctx); | |
430 | return; | |
431 | case 0x0006: /* mov.l Rm,@(R0,Rn) */ | |
432 | gen_op_movl_rN_T0(REG(B7_4)); | |
433 | gen_op_movl_rN_T1(REG(B11_8)); | |
434 | gen_op_add_rN_T1(REG(0)); | |
435 | gen_op_stl_T0_T1(ctx); | |
436 | return; | |
437 | case 0x000c: /* mov.b @(R0,Rm),Rn */ | |
438 | gen_op_movl_rN_T0(REG(B7_4)); | |
439 | gen_op_add_rN_T0(REG(0)); | |
440 | gen_op_ldb_T0_T0(ctx); | |
441 | gen_op_movl_T0_rN(REG(B11_8)); | |
442 | return; | |
443 | case 0x000d: /* mov.w @(R0,Rm),Rn */ | |
444 | gen_op_movl_rN_T0(REG(B7_4)); | |
445 | gen_op_add_rN_T0(REG(0)); | |
446 | gen_op_ldw_T0_T0(ctx); | |
447 | gen_op_movl_T0_rN(REG(B11_8)); | |
448 | return; | |
449 | case 0x000e: /* mov.l @(R0,Rm),Rn */ | |
450 | gen_op_movl_rN_T0(REG(B7_4)); | |
451 | gen_op_add_rN_T0(REG(0)); | |
452 | gen_op_ldl_T0_T0(ctx); | |
453 | gen_op_movl_T0_rN(REG(B11_8)); | |
454 | return; | |
455 | case 0x6008: /* swap.b Rm,Rn */ | |
456 | gen_op_movl_rN_T0(REG(B7_4)); | |
457 | gen_op_swapb_T0(); | |
458 | gen_op_movl_T0_rN(REG(B11_8)); | |
459 | return; | |
460 | case 0x6009: /* swap.w Rm,Rn */ | |
461 | gen_op_movl_rN_T0(REG(B7_4)); | |
462 | gen_op_swapw_T0(); | |
463 | gen_op_movl_T0_rN(REG(B11_8)); | |
464 | return; | |
465 | case 0x200d: /* xtrct Rm,Rn */ | |
466 | gen_op_movl_rN_T0(REG(B7_4)); | |
467 | gen_op_movl_rN_T1(REG(B11_8)); | |
468 | gen_op_xtrct_T0_T1(); | |
469 | gen_op_movl_T1_rN(REG(B11_8)); | |
470 | return; | |
471 | case 0x300c: /* add Rm,Rn */ | |
472 | gen_op_movl_rN_T0(REG(B7_4)); | |
473 | gen_op_add_T0_rN(REG(B11_8)); | |
474 | return; | |
475 | case 0x300e: /* addc Rm,Rn */ | |
476 | gen_op_movl_rN_T0(REG(B7_4)); | |
477 | gen_op_movl_rN_T1(REG(B11_8)); | |
478 | gen_op_addc_T0_T1(); | |
479 | gen_op_movl_T1_rN(REG(B11_8)); | |
480 | return; | |
481 | case 0x300f: /* addv Rm,Rn */ | |
482 | gen_op_movl_rN_T0(REG(B7_4)); | |
483 | gen_op_movl_rN_T1(REG(B11_8)); | |
484 | gen_op_addv_T0_T1(); | |
485 | gen_op_movl_T1_rN(REG(B11_8)); | |
486 | return; | |
487 | case 0x2009: /* and Rm,Rn */ | |
488 | gen_op_movl_rN_T0(REG(B7_4)); | |
489 | gen_op_and_T0_rN(REG(B11_8)); | |
490 | return; | |
491 | case 0x3000: /* cmp/eq Rm,Rn */ | |
492 | gen_op_movl_rN_T0(REG(B7_4)); | |
493 | gen_op_movl_rN_T1(REG(B11_8)); | |
494 | gen_op_cmp_eq_T0_T1(); | |
495 | return; | |
496 | case 0x3003: /* cmp/ge Rm,Rn */ | |
497 | gen_op_movl_rN_T0(REG(B7_4)); | |
498 | gen_op_movl_rN_T1(REG(B11_8)); | |
499 | gen_op_cmp_ge_T0_T1(); | |
500 | return; | |
501 | case 0x3007: /* cmp/gt Rm,Rn */ | |
502 | gen_op_movl_rN_T0(REG(B7_4)); | |
503 | gen_op_movl_rN_T1(REG(B11_8)); | |
504 | gen_op_cmp_gt_T0_T1(); | |
505 | return; | |
506 | case 0x3006: /* cmp/hi Rm,Rn */ | |
507 | gen_op_movl_rN_T0(REG(B7_4)); | |
508 | gen_op_movl_rN_T1(REG(B11_8)); | |
509 | gen_op_cmp_hi_T0_T1(); | |
510 | return; | |
511 | case 0x3002: /* cmp/hs Rm,Rn */ | |
512 | gen_op_movl_rN_T0(REG(B7_4)); | |
513 | gen_op_movl_rN_T1(REG(B11_8)); | |
514 | gen_op_cmp_hs_T0_T1(); | |
515 | return; | |
516 | case 0x200c: /* cmp/str Rm,Rn */ | |
517 | gen_op_movl_rN_T0(REG(B7_4)); | |
518 | gen_op_movl_rN_T1(REG(B11_8)); | |
519 | gen_op_cmp_str_T0_T1(); | |
520 | return; | |
521 | case 0x2007: /* div0s Rm,Rn */ | |
fdf9b3e8 FB |
522 | gen_op_movl_rN_T0(REG(B7_4)); |
523 | gen_op_movl_rN_T1(REG(B11_8)); | |
524 | gen_op_div0s_T0_T1(); | |
525 | gen_op_movl_T1_rN(REG(B11_8)); | |
526 | return; | |
527 | case 0x3004: /* div1 Rm,Rn */ | |
528 | gen_op_movl_rN_T0(REG(B7_4)); | |
529 | gen_op_movl_rN_T1(REG(B11_8)); | |
530 | gen_op_div1_T0_T1(); | |
531 | gen_op_movl_T1_rN(REG(B11_8)); | |
532 | return; | |
533 | case 0x300d: /* dmuls.l Rm,Rn */ | |
534 | gen_op_movl_rN_T0(REG(B7_4)); | |
535 | gen_op_movl_rN_T1(REG(B11_8)); | |
536 | gen_op_dmulsl_T0_T1(); | |
537 | return; | |
538 | case 0x3005: /* dmulu.l Rm,Rn */ | |
539 | gen_op_movl_rN_T0(REG(B7_4)); | |
540 | gen_op_movl_rN_T1(REG(B11_8)); | |
541 | gen_op_dmulul_T0_T1(); | |
542 | return; | |
543 | case 0x600e: /* exts.b Rm,Rn */ | |
544 | gen_op_movb_rN_T0(REG(B7_4)); | |
545 | gen_op_movl_T0_rN(REG(B11_8)); | |
546 | return; | |
547 | case 0x600f: /* exts.w Rm,Rn */ | |
548 | gen_op_movw_rN_T0(REG(B7_4)); | |
549 | gen_op_movl_T0_rN(REG(B11_8)); | |
550 | return; | |
551 | case 0x600c: /* extu.b Rm,Rn */ | |
552 | gen_op_movub_rN_T0(REG(B7_4)); | |
553 | gen_op_movl_T0_rN(REG(B11_8)); | |
554 | return; | |
555 | case 0x600d: /* extu.w Rm,Rn */ | |
556 | gen_op_movuw_rN_T0(REG(B7_4)); | |
557 | gen_op_movl_T0_rN(REG(B11_8)); | |
558 | return; | |
559 | case 0x000f: /* mac.l @Rm+,@Rn- */ | |
560 | gen_op_movl_rN_T0(REG(B11_8)); | |
561 | gen_op_ldl_T0_T0(ctx); | |
562 | gen_op_movl_T0_T1(); | |
563 | gen_op_movl_rN_T1(REG(B7_4)); | |
564 | gen_op_ldl_T0_T0(ctx); | |
565 | gen_op_macl_T0_T1(); | |
566 | gen_op_inc4_rN(REG(B7_4)); | |
567 | gen_op_inc4_rN(REG(B11_8)); | |
568 | return; | |
569 | case 0x400f: /* mac.w @Rm+,@Rn+ */ | |
570 | gen_op_movl_rN_T0(REG(B11_8)); | |
571 | gen_op_ldl_T0_T0(ctx); | |
572 | gen_op_movl_T0_T1(); | |
573 | gen_op_movl_rN_T1(REG(B7_4)); | |
574 | gen_op_ldl_T0_T0(ctx); | |
575 | gen_op_macw_T0_T1(); | |
576 | gen_op_inc2_rN(REG(B7_4)); | |
577 | gen_op_inc2_rN(REG(B11_8)); | |
578 | return; | |
579 | case 0x0007: /* mul.l Rm,Rn */ | |
580 | gen_op_movl_rN_T0(REG(B7_4)); | |
581 | gen_op_movl_rN_T1(REG(B11_8)); | |
582 | gen_op_mull_T0_T1(); | |
583 | return; | |
584 | case 0x200f: /* muls.w Rm,Rn */ | |
585 | gen_op_movw_rN_T0(REG(B7_4)); | |
586 | gen_op_movw_rN_T1(REG(B11_8)); | |
587 | gen_op_mulsw_T0_T1(); | |
588 | return; | |
589 | case 0x200e: /* mulu.w Rm,Rn */ | |
590 | gen_op_movuw_rN_T0(REG(B7_4)); | |
591 | gen_op_movuw_rN_T1(REG(B11_8)); | |
592 | gen_op_muluw_T0_T1(); | |
593 | return; | |
594 | case 0x600b: /* neg Rm,Rn */ | |
595 | gen_op_movl_rN_T0(REG(B7_4)); | |
596 | gen_op_neg_T0(); | |
597 | gen_op_movl_T0_rN(REG(B11_8)); | |
598 | return; | |
599 | case 0x600a: /* negc Rm,Rn */ | |
600 | gen_op_movl_rN_T0(REG(B7_4)); | |
601 | gen_op_negc_T0(); | |
602 | gen_op_movl_T0_rN(REG(B11_8)); | |
603 | return; | |
604 | case 0x6007: /* not Rm,Rn */ | |
605 | gen_op_movl_rN_T0(REG(B7_4)); | |
606 | gen_op_not_T0(); | |
607 | gen_op_movl_T0_rN(REG(B11_8)); | |
608 | return; | |
609 | case 0x200b: /* or Rm,Rn */ | |
610 | gen_op_movl_rN_T0(REG(B7_4)); | |
611 | gen_op_or_T0_rN(REG(B11_8)); | |
612 | return; | |
613 | case 0x400c: /* shad Rm,Rn */ | |
614 | gen_op_movl_rN_T0(REG(B7_4)); | |
615 | gen_op_movl_rN_T1(REG(B11_8)); | |
616 | gen_op_shad_T0_T1(); | |
617 | gen_op_movl_T1_rN(REG(B11_8)); | |
618 | return; | |
619 | case 0x400d: /* shld Rm,Rn */ | |
620 | gen_op_movl_rN_T0(REG(B7_4)); | |
621 | gen_op_movl_rN_T1(REG(B11_8)); | |
622 | gen_op_shld_T0_T1(); | |
623 | gen_op_movl_T1_rN(REG(B11_8)); | |
624 | return; | |
625 | case 0x3008: /* sub Rm,Rn */ | |
626 | gen_op_movl_rN_T0(REG(B7_4)); | |
627 | gen_op_sub_T0_rN(REG(B11_8)); | |
628 | return; | |
629 | case 0x300a: /* subc Rm,Rn */ | |
630 | gen_op_movl_rN_T0(REG(B7_4)); | |
631 | gen_op_movl_rN_T1(REG(B11_8)); | |
632 | gen_op_subc_T0_T1(); | |
633 | gen_op_movl_T1_rN(REG(B11_8)); | |
634 | return; | |
635 | case 0x300b: /* subv Rm,Rn */ | |
636 | gen_op_movl_rN_T0(REG(B7_4)); | |
637 | gen_op_movl_rN_T1(REG(B11_8)); | |
638 | gen_op_subv_T0_T1(); | |
639 | gen_op_movl_T1_rN(REG(B11_8)); | |
640 | return; | |
641 | case 0x2008: /* tst Rm,Rn */ | |
642 | gen_op_movl_rN_T0(REG(B7_4)); | |
643 | gen_op_movl_rN_T1(REG(B11_8)); | |
644 | gen_op_tst_T0_T1(); | |
645 | return; | |
646 | case 0x200a: /* xor Rm,Rn */ | |
647 | gen_op_movl_rN_T0(REG(B7_4)); | |
648 | gen_op_xor_T0_rN(REG(B11_8)); | |
649 | return; | |
e67888a7 | 650 | case 0xf00c: /* fmov {F,D,X}Rm,{F,D,X}Rn - FPSCR: Nothing */ |
022a22c7 | 651 | if (ctx->fpscr & FPSCR_SZ) { |
eda9b09b FB |
652 | if (ctx->opcode & 0x0110) |
653 | break; /* illegal instruction */ | |
e3d8a985 TS |
654 | gen_op_fmov_drN_DT0(DREG(B7_4)); |
655 | gen_op_fmov_DT0_drN(DREG(B11_8)); | |
eda9b09b FB |
656 | } else { |
657 | gen_op_fmov_frN_FT0(FREG(B7_4)); | |
658 | gen_op_fmov_FT0_frN(FREG(B11_8)); | |
659 | } | |
660 | return; | |
e67888a7 | 661 | case 0xf00a: /* fmov {F,D,X}Rm,@Rn - FPSCR: Nothing */ |
022a22c7 | 662 | if (ctx->fpscr & FPSCR_SZ) { |
eda9b09b FB |
663 | if (ctx->opcode & 0x0010) |
664 | break; /* illegal instruction */ | |
e3d8a985 | 665 | gen_op_fmov_drN_DT0(DREG(B7_4)); |
eda9b09b FB |
666 | gen_op_movl_rN_T1(REG(B11_8)); |
667 | gen_op_stfq_DT0_T1(ctx); | |
668 | } else { | |
669 | gen_op_fmov_frN_FT0(FREG(B7_4)); | |
670 | gen_op_movl_rN_T1(REG(B11_8)); | |
671 | gen_op_stfl_FT0_T1(ctx); | |
672 | } | |
673 | return; | |
e67888a7 | 674 | case 0xf008: /* fmov @Rm,{F,D,X}Rn - FPSCR: Nothing */ |
022a22c7 | 675 | if (ctx->fpscr & FPSCR_SZ) { |
eda9b09b FB |
676 | if (ctx->opcode & 0x0100) |
677 | break; /* illegal instruction */ | |
678 | gen_op_movl_rN_T0(REG(B7_4)); | |
679 | gen_op_ldfq_T0_DT0(ctx); | |
e3d8a985 | 680 | gen_op_fmov_DT0_drN(DREG(B11_8)); |
eda9b09b FB |
681 | } else { |
682 | gen_op_movl_rN_T0(REG(B7_4)); | |
683 | gen_op_ldfl_T0_FT0(ctx); | |
f09111e0 | 684 | gen_op_fmov_FT0_frN(FREG(B11_8)); |
eda9b09b FB |
685 | } |
686 | return; | |
e67888a7 | 687 | case 0xf009: /* fmov @Rm+,{F,D,X}Rn - FPSCR: Nothing */ |
022a22c7 | 688 | if (ctx->fpscr & FPSCR_SZ) { |
eda9b09b FB |
689 | if (ctx->opcode & 0x0100) |
690 | break; /* illegal instruction */ | |
691 | gen_op_movl_rN_T0(REG(B7_4)); | |
692 | gen_op_ldfq_T0_DT0(ctx); | |
e3d8a985 | 693 | gen_op_fmov_DT0_drN(DREG(B11_8)); |
eda9b09b FB |
694 | gen_op_inc8_rN(REG(B7_4)); |
695 | } else { | |
696 | gen_op_movl_rN_T0(REG(B7_4)); | |
697 | gen_op_ldfl_T0_FT0(ctx); | |
f09111e0 | 698 | gen_op_fmov_FT0_frN(FREG(B11_8)); |
eda9b09b FB |
699 | gen_op_inc4_rN(REG(B7_4)); |
700 | } | |
701 | return; | |
e67888a7 | 702 | case 0xf00b: /* fmov {F,D,X}Rm,@-Rn - FPSCR: Nothing */ |
022a22c7 | 703 | if (ctx->fpscr & FPSCR_SZ) { |
eda9b09b FB |
704 | if (ctx->opcode & 0x0100) |
705 | break; /* illegal instruction */ | |
706 | gen_op_dec8_rN(REG(B11_8)); | |
e3d8a985 | 707 | gen_op_fmov_drN_DT0(DREG(B7_4)); |
eda9b09b FB |
708 | gen_op_movl_rN_T1(REG(B11_8)); |
709 | gen_op_stfq_DT0_T1(ctx); | |
710 | } else { | |
711 | gen_op_dec4_rN(REG(B11_8)); | |
712 | gen_op_fmov_frN_FT0(FREG(B7_4)); | |
713 | gen_op_movl_rN_T1(REG(B11_8)); | |
714 | gen_op_stfl_FT0_T1(ctx); | |
715 | } | |
716 | return; | |
e67888a7 | 717 | case 0xf006: /* fmov @(R0,Rm),{F,D,X}Rm - FPSCR: Nothing */ |
022a22c7 | 718 | if (ctx->fpscr & FPSCR_SZ) { |
eda9b09b FB |
719 | if (ctx->opcode & 0x0100) |
720 | break; /* illegal instruction */ | |
721 | gen_op_movl_rN_T0(REG(B7_4)); | |
722 | gen_op_add_rN_T0(REG(0)); | |
723 | gen_op_ldfq_T0_DT0(ctx); | |
e3d8a985 | 724 | gen_op_fmov_DT0_drN(DREG(B11_8)); |
eda9b09b FB |
725 | } else { |
726 | gen_op_movl_rN_T0(REG(B7_4)); | |
727 | gen_op_add_rN_T0(REG(0)); | |
728 | gen_op_ldfl_T0_FT0(ctx); | |
f09111e0 | 729 | gen_op_fmov_FT0_frN(FREG(B11_8)); |
eda9b09b FB |
730 | } |
731 | return; | |
e67888a7 | 732 | case 0xf007: /* fmov {F,D,X}Rn,@(R0,Rn) - FPSCR: Nothing */ |
022a22c7 | 733 | if (ctx->fpscr & FPSCR_SZ) { |
eda9b09b FB |
734 | if (ctx->opcode & 0x0010) |
735 | break; /* illegal instruction */ | |
e3d8a985 | 736 | gen_op_fmov_drN_DT0(DREG(B7_4)); |
eda9b09b FB |
737 | gen_op_movl_rN_T1(REG(B11_8)); |
738 | gen_op_add_rN_T1(REG(0)); | |
739 | gen_op_stfq_DT0_T1(ctx); | |
740 | } else { | |
741 | gen_op_fmov_frN_FT0(FREG(B7_4)); | |
742 | gen_op_movl_rN_T1(REG(B11_8)); | |
743 | gen_op_add_rN_T1(REG(0)); | |
744 | gen_op_stfl_FT0_T1(ctx); | |
745 | } | |
746 | return; | |
e67888a7 TS |
747 | case 0xf000: /* fadd Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ |
748 | case 0xf001: /* fsub Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ | |
749 | case 0xf002: /* fmul Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ | |
750 | case 0xf003: /* fdiv Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ | |
751 | case 0xf004: /* fcmp/eq Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */ | |
752 | case 0xf005: /* fcmp/gt Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */ | |
ea6cf6be TS |
753 | if (ctx->fpscr & FPSCR_PR) { |
754 | if (ctx->opcode & 0x0110) | |
755 | break; /* illegal instruction */ | |
756 | gen_op_fmov_drN_DT1(DREG(B7_4)); | |
757 | gen_op_fmov_drN_DT0(DREG(B11_8)); | |
758 | } | |
759 | else { | |
760 | gen_op_fmov_frN_FT1(FREG(B7_4)); | |
761 | gen_op_fmov_frN_FT0(FREG(B11_8)); | |
762 | } | |
763 | ||
764 | switch (ctx->opcode & 0xf00f) { | |
765 | case 0xf000: /* fadd Rm,Rn */ | |
766 | ctx->fpscr & FPSCR_PR ? gen_op_fadd_DT() : gen_op_fadd_FT(); | |
767 | break; | |
768 | case 0xf001: /* fsub Rm,Rn */ | |
769 | ctx->fpscr & FPSCR_PR ? gen_op_fsub_DT() : gen_op_fsub_FT(); | |
770 | break; | |
771 | case 0xf002: /* fmul Rm,Rn */ | |
772 | ctx->fpscr & FPSCR_PR ? gen_op_fmul_DT() : gen_op_fmul_FT(); | |
773 | break; | |
774 | case 0xf003: /* fdiv Rm,Rn */ | |
775 | ctx->fpscr & FPSCR_PR ? gen_op_fdiv_DT() : gen_op_fdiv_FT(); | |
776 | break; | |
777 | case 0xf004: /* fcmp/eq Rm,Rn */ | |
778 | return; | |
779 | case 0xf005: /* fcmp/gt Rm,Rn */ | |
780 | return; | |
781 | } | |
782 | ||
783 | if (ctx->fpscr & FPSCR_PR) { | |
784 | gen_op_fmov_DT0_drN(DREG(B11_8)); | |
785 | } | |
786 | else { | |
787 | gen_op_fmov_FT0_frN(FREG(B11_8)); | |
788 | } | |
789 | return; | |
fdf9b3e8 FB |
790 | } |
791 | ||
792 | switch (ctx->opcode & 0xff00) { | |
793 | case 0xc900: /* and #imm,R0 */ | |
794 | gen_op_and_imm_rN(B7_0, REG(0)); | |
795 | return; | |
796 | case 0xcd00: /* and.b #imm,@(R0+GBR) */ | |
797 | gen_op_movl_rN_T0(REG(0)); | |
798 | gen_op_addl_GBR_T0(); | |
799 | gen_op_movl_T0_T1(); | |
800 | gen_op_ldb_T0_T0(ctx); | |
801 | gen_op_and_imm_T0(B7_0); | |
802 | gen_op_stb_T0_T1(ctx); | |
803 | return; | |
804 | case 0x8b00: /* bf label */ | |
805 | CHECK_NOT_DELAY_SLOT | |
806 | gen_conditional_jump(ctx, ctx->pc + 2, | |
807 | ctx->pc + 4 + B7_0s * 2); | |
808 | ctx->flags |= BRANCH_CONDITIONAL; | |
809 | return; | |
810 | case 0x8f00: /* bf/s label */ | |
811 | CHECK_NOT_DELAY_SLOT | |
812 | gen_op_bf_s(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2); | |
813 | ctx->flags |= DELAY_SLOT_CONDITIONAL; | |
814 | return; | |
815 | case 0x8900: /* bt label */ | |
816 | CHECK_NOT_DELAY_SLOT | |
817 | gen_conditional_jump(ctx, ctx->pc + 4 + B7_0s * 2, | |
818 | ctx->pc + 2); | |
819 | ctx->flags |= BRANCH_CONDITIONAL; | |
820 | return; | |
821 | case 0x8d00: /* bt/s label */ | |
822 | CHECK_NOT_DELAY_SLOT | |
823 | gen_op_bt_s(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2); | |
824 | ctx->flags |= DELAY_SLOT_CONDITIONAL; | |
825 | return; | |
826 | case 0x8800: /* cmp/eq #imm,R0 */ | |
827 | gen_op_movl_rN_T0(REG(0)); | |
828 | gen_op_cmp_eq_imm_T0(B7_0s); | |
829 | return; | |
830 | case 0xc400: /* mov.b @(disp,GBR),R0 */ | |
831 | gen_op_stc_gbr_T0(); | |
832 | gen_op_addl_imm_T0(B7_0); | |
833 | gen_op_ldb_T0_T0(ctx); | |
834 | gen_op_movl_T0_rN(REG(0)); | |
835 | return; | |
836 | case 0xc500: /* mov.w @(disp,GBR),R0 */ | |
837 | gen_op_stc_gbr_T0(); | |
838 | gen_op_addl_imm_T0(B7_0); | |
839 | gen_op_ldw_T0_T0(ctx); | |
840 | gen_op_movl_T0_rN(REG(0)); | |
841 | return; | |
842 | case 0xc600: /* mov.l @(disp,GBR),R0 */ | |
843 | gen_op_stc_gbr_T0(); | |
844 | gen_op_addl_imm_T0(B7_0); | |
845 | gen_op_ldl_T0_T0(ctx); | |
846 | gen_op_movl_T0_rN(REG(0)); | |
847 | return; | |
848 | case 0xc000: /* mov.b R0,@(disp,GBR) */ | |
849 | gen_op_stc_gbr_T0(); | |
850 | gen_op_addl_imm_T0(B7_0); | |
851 | gen_op_movl_T0_T1(); | |
852 | gen_op_movl_rN_T0(REG(0)); | |
853 | gen_op_stb_T0_T1(ctx); | |
854 | return; | |
855 | case 0xc100: /* mov.w R0,@(disp,GBR) */ | |
856 | gen_op_stc_gbr_T0(); | |
857 | gen_op_addl_imm_T0(B7_0); | |
858 | gen_op_movl_T0_T1(); | |
859 | gen_op_movl_rN_T0(REG(0)); | |
860 | gen_op_stw_T0_T1(ctx); | |
861 | return; | |
862 | case 0xc200: /* mov.l R0,@(disp,GBR) */ | |
863 | gen_op_stc_gbr_T0(); | |
864 | gen_op_addl_imm_T0(B7_0); | |
865 | gen_op_movl_T0_T1(); | |
866 | gen_op_movl_rN_T0(REG(0)); | |
867 | gen_op_stl_T0_T1(ctx); | |
868 | return; | |
869 | case 0x8000: /* mov.b R0,@(disp,Rn) */ | |
870 | gen_op_movl_rN_T0(REG(0)); | |
871 | gen_op_movl_rN_T1(REG(B7_4)); | |
872 | gen_op_addl_imm_T1(B3_0); | |
873 | gen_op_stb_T0_T1(ctx); | |
874 | return; | |
875 | case 0x8100: /* mov.w R0,@(disp,Rn) */ | |
876 | gen_op_movl_rN_T0(REG(0)); | |
877 | gen_op_movl_rN_T1(REG(B7_4)); | |
878 | gen_op_addl_imm_T1(B3_0 * 2); | |
879 | gen_op_stw_T0_T1(ctx); | |
880 | return; | |
881 | case 0x8400: /* mov.b @(disp,Rn),R0 */ | |
8c2cc7ce TS |
882 | gen_op_movl_rN_T0(REG(B7_4)); |
883 | gen_op_addl_imm_T0(B3_0); | |
884 | gen_op_ldb_T0_T0(ctx); | |
885 | gen_op_movl_T0_rN(REG(0)); | |
fdf9b3e8 FB |
886 | return; |
887 | case 0x8500: /* mov.w @(disp,Rn),R0 */ | |
888 | gen_op_movl_rN_T0(REG(B7_4)); | |
889 | gen_op_addl_imm_T0(B3_0 * 2); | |
890 | gen_op_ldw_T0_T0(ctx); | |
891 | gen_op_movl_T0_rN(REG(0)); | |
892 | return; | |
893 | case 0xc700: /* mova @(disp,PC),R0 */ | |
894 | gen_op_movl_imm_rN(((ctx->pc & 0xfffffffc) + 4 + B7_0 * 4) & ~3, | |
895 | REG(0)); | |
896 | return; | |
897 | case 0xcb00: /* or #imm,R0 */ | |
898 | gen_op_or_imm_rN(B7_0, REG(0)); | |
899 | return; | |
900 | case 0xcf00: /* or.b #imm,@(R0+GBR) */ | |
901 | gen_op_movl_rN_T0(REG(0)); | |
902 | gen_op_addl_GBR_T0(); | |
903 | gen_op_movl_T0_T1(); | |
904 | gen_op_ldb_T0_T0(ctx); | |
905 | gen_op_or_imm_T0(B7_0); | |
906 | gen_op_stb_T0_T1(ctx); | |
907 | return; | |
908 | case 0xc300: /* trapa #imm */ | |
909 | CHECK_NOT_DELAY_SLOT gen_op_movl_imm_PC(ctx->pc); | |
910 | gen_op_trapa(B7_0); | |
911 | ctx->flags |= BRANCH; | |
912 | return; | |
913 | case 0xc800: /* tst #imm,R0 */ | |
914 | gen_op_tst_imm_rN(B7_0, REG(0)); | |
915 | return; | |
916 | case 0xcc00: /* tst #imm,@(R0+GBR) */ | |
917 | gen_op_movl_rN_T0(REG(0)); | |
918 | gen_op_addl_GBR_T0(); | |
919 | gen_op_ldb_T0_T0(ctx); | |
920 | gen_op_tst_imm_T0(B7_0); | |
921 | return; | |
922 | case 0xca00: /* xor #imm,R0 */ | |
923 | gen_op_xor_imm_rN(B7_0, REG(0)); | |
924 | return; | |
925 | case 0xce00: /* xor.b #imm,@(R0+GBR) */ | |
926 | gen_op_movl_rN_T0(REG(0)); | |
927 | gen_op_addl_GBR_T0(); | |
928 | gen_op_movl_T0_T1(); | |
929 | gen_op_ldb_T0_T0(ctx); | |
930 | gen_op_xor_imm_T0(B7_0); | |
931 | gen_op_stb_T0_T1(ctx); | |
932 | return; | |
933 | } | |
934 | ||
935 | switch (ctx->opcode & 0xf08f) { | |
936 | case 0x408e: /* ldc Rm,Rn_BANK */ | |
937 | gen_op_movl_rN_rN(REG(B11_8), ALTREG(B6_4)); | |
938 | return; | |
939 | case 0x4087: /* ldc.l @Rm+,Rn_BANK */ | |
940 | gen_op_movl_rN_T0(REG(B11_8)); | |
941 | gen_op_ldl_T0_T0(ctx); | |
942 | gen_op_movl_T0_rN(ALTREG(B6_4)); | |
943 | gen_op_inc4_rN(REG(B11_8)); | |
944 | return; | |
945 | case 0x0082: /* stc Rm_BANK,Rn */ | |
946 | gen_op_movl_rN_rN(ALTREG(B6_4), REG(B11_8)); | |
947 | return; | |
948 | case 0x4083: /* stc.l Rm_BANK,@-Rn */ | |
949 | gen_op_dec4_rN(REG(B11_8)); | |
950 | gen_op_movl_rN_T1(REG(B11_8)); | |
951 | gen_op_movl_rN_T0(ALTREG(B6_4)); | |
952 | gen_op_stl_T0_T1(ctx); | |
953 | return; | |
954 | } | |
955 | ||
956 | switch (ctx->opcode & 0xf0ff) { | |
957 | case 0x0023: /* braf Rn */ | |
958 | CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8)); | |
959 | gen_op_braf_T0(ctx->pc + 4); | |
960 | ctx->flags |= DELAY_SLOT; | |
961 | ctx->delayed_pc = (uint32_t) - 1; | |
962 | return; | |
963 | case 0x0003: /* bsrf Rn */ | |
964 | CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8)); | |
965 | gen_op_bsrf_T0(ctx->pc + 4); | |
966 | ctx->flags |= DELAY_SLOT; | |
967 | ctx->delayed_pc = (uint32_t) - 1; | |
968 | return; | |
969 | case 0x4015: /* cmp/pl Rn */ | |
970 | gen_op_movl_rN_T0(REG(B11_8)); | |
971 | gen_op_cmp_pl_T0(); | |
972 | return; | |
973 | case 0x4011: /* cmp/pz Rn */ | |
974 | gen_op_movl_rN_T0(REG(B11_8)); | |
975 | gen_op_cmp_pz_T0(); | |
976 | return; | |
977 | case 0x4010: /* dt Rn */ | |
978 | gen_op_dt_rN(REG(B11_8)); | |
979 | return; | |
980 | case 0x402b: /* jmp @Rn */ | |
981 | CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8)); | |
982 | gen_op_jmp_T0(); | |
983 | ctx->flags |= DELAY_SLOT; | |
984 | ctx->delayed_pc = (uint32_t) - 1; | |
985 | return; | |
986 | case 0x400b: /* jsr @Rn */ | |
987 | CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8)); | |
988 | gen_op_jsr_T0(ctx->pc + 4); | |
989 | ctx->flags |= DELAY_SLOT; | |
990 | ctx->delayed_pc = (uint32_t) - 1; | |
991 | return; | |
992 | #define LDST(reg,ldnum,ldpnum,ldop,stnum,stpnum,stop,extrald) \ | |
993 | case ldnum: \ | |
994 | gen_op_movl_rN_T0 (REG(B11_8)); \ | |
995 | gen_op_##ldop##_T0_##reg (); \ | |
996 | extrald \ | |
997 | return; \ | |
998 | case ldpnum: \ | |
999 | gen_op_movl_rN_T0 (REG(B11_8)); \ | |
1000 | gen_op_ldl_T0_T0 (ctx); \ | |
1001 | gen_op_inc4_rN (REG(B11_8)); \ | |
1002 | gen_op_##ldop##_T0_##reg (); \ | |
1003 | extrald \ | |
1004 | return; \ | |
1005 | case stnum: \ | |
1006 | gen_op_##stop##_##reg##_T0 (); \ | |
1007 | gen_op_movl_T0_rN (REG(B11_8)); \ | |
1008 | return; \ | |
1009 | case stpnum: \ | |
1010 | gen_op_##stop##_##reg##_T0 (); \ | |
1011 | gen_op_dec4_rN (REG(B11_8)); \ | |
1012 | gen_op_movl_rN_T1 (REG(B11_8)); \ | |
1013 | gen_op_stl_T0_T1 (ctx); \ | |
1014 | return; | |
1015 | LDST(sr, 0x400e, 0x4007, ldc, 0x0002, 0x4003, stc, ctx->flags |= | |
eda9b09b FB |
1016 | MODE_CHANGE;) |
1017 | LDST(gbr, 0x401e, 0x4017, ldc, 0x0012, 0x4013, stc,) | |
1018 | LDST(vbr, 0x402e, 0x4027, ldc, 0x0022, 0x4023, stc,) | |
1019 | LDST(ssr, 0x403e, 0x4037, ldc, 0x0032, 0x4033, stc,) | |
1020 | LDST(spc, 0x404e, 0x4047, ldc, 0x0042, 0x4043, stc,) | |
1021 | LDST(dbr, 0x40fa, 0x40f6, ldc, 0x00fa, 0x40f2, stc,) | |
1022 | LDST(mach, 0x400a, 0x4006, lds, 0x000a, 0x4002, sts,) | |
1023 | LDST(macl, 0x401a, 0x4016, lds, 0x001a, 0x4012, sts,) | |
1024 | LDST(pr, 0x402a, 0x4026, lds, 0x002a, 0x4022, sts,) | |
8bf5a804 TS |
1025 | LDST(fpul, 0x405a, 0x4056, lds, 0x005a, 0x4052, sts,) |
1026 | LDST(fpscr, 0x406a, 0x4066, lds, 0x006a, 0x4062, sts, ctx->flags |= | |
eda9b09b | 1027 | MODE_CHANGE;) |
fdf9b3e8 FB |
1028 | case 0x00c3: /* movca.l R0,@Rm */ |
1029 | gen_op_movl_rN_T0(REG(0)); | |
1030 | gen_op_movl_rN_T1(REG(B11_8)); | |
1031 | gen_op_stl_T0_T1(ctx); | |
1032 | return; | |
1033 | case 0x0029: /* movt Rn */ | |
1034 | gen_op_movt_rN(REG(B11_8)); | |
1035 | return; | |
1036 | case 0x0093: /* ocbi @Rn */ | |
1037 | gen_op_movl_rN_T0(REG(B11_8)); | |
1038 | gen_op_ldl_T0_T0(ctx); | |
1039 | return; | |
1040 | case 0x00a2: /* ocbp @Rn */ | |
1041 | gen_op_movl_rN_T0(REG(B11_8)); | |
1042 | gen_op_ldl_T0_T0(ctx); | |
1043 | return; | |
1044 | case 0x00b3: /* ocbwb @Rn */ | |
1045 | gen_op_movl_rN_T0(REG(B11_8)); | |
1046 | gen_op_ldl_T0_T0(ctx); | |
1047 | return; | |
1048 | case 0x0083: /* pref @Rn */ | |
1049 | return; | |
1050 | case 0x4024: /* rotcl Rn */ | |
1051 | gen_op_rotcl_Rn(REG(B11_8)); | |
1052 | return; | |
1053 | case 0x4025: /* rotcr Rn */ | |
1054 | gen_op_rotcr_Rn(REG(B11_8)); | |
1055 | return; | |
1056 | case 0x4004: /* rotl Rn */ | |
1057 | gen_op_rotl_Rn(REG(B11_8)); | |
1058 | return; | |
1059 | case 0x4005: /* rotr Rn */ | |
1060 | gen_op_rotr_Rn(REG(B11_8)); | |
1061 | return; | |
1062 | case 0x4000: /* shll Rn */ | |
1063 | case 0x4020: /* shal Rn */ | |
1064 | gen_op_shal_Rn(REG(B11_8)); | |
1065 | return; | |
1066 | case 0x4021: /* shar Rn */ | |
1067 | gen_op_shar_Rn(REG(B11_8)); | |
1068 | return; | |
1069 | case 0x4001: /* shlr Rn */ | |
1070 | gen_op_shlr_Rn(REG(B11_8)); | |
1071 | return; | |
1072 | case 0x4008: /* shll2 Rn */ | |
1073 | gen_op_shll2_Rn(REG(B11_8)); | |
1074 | return; | |
1075 | case 0x4018: /* shll8 Rn */ | |
1076 | gen_op_shll8_Rn(REG(B11_8)); | |
1077 | return; | |
1078 | case 0x4028: /* shll16 Rn */ | |
1079 | gen_op_shll16_Rn(REG(B11_8)); | |
1080 | return; | |
1081 | case 0x4009: /* shlr2 Rn */ | |
1082 | gen_op_shlr2_Rn(REG(B11_8)); | |
1083 | return; | |
1084 | case 0x4019: /* shlr8 Rn */ | |
1085 | gen_op_shlr8_Rn(REG(B11_8)); | |
1086 | return; | |
1087 | case 0x4029: /* shlr16 Rn */ | |
1088 | gen_op_shlr16_Rn(REG(B11_8)); | |
1089 | return; | |
1090 | case 0x401b: /* tas.b @Rn */ | |
1091 | gen_op_tasb_rN(REG(B11_8)); | |
1092 | return; | |
e67888a7 | 1093 | case 0xf00d: /* fsts FPUL,FRn - FPSCR: Nothing */ |
eda9b09b FB |
1094 | gen_op_movl_fpul_FT0(); |
1095 | gen_op_fmov_FT0_frN(FREG(B11_8)); | |
1096 | return; | |
e67888a7 | 1097 | case 0xf01d: /* flds FRm,FPUL - FPSCR: Nothing */ |
eda9b09b FB |
1098 | gen_op_fmov_frN_FT0(FREG(B11_8)); |
1099 | gen_op_movl_FT0_fpul(); | |
1100 | return; | |
e67888a7 | 1101 | case 0xf02d: /* float FPUL,FRn/DRn - FPSCR: R[PR,Enable.I]/W[Cause,Flag] */ |
ea6cf6be TS |
1102 | if (ctx->fpscr & FPSCR_PR) { |
1103 | if (ctx->opcode & 0x0100) | |
1104 | break; /* illegal instruction */ | |
1105 | gen_op_float_DT(); | |
1106 | gen_op_fmov_DT0_drN(DREG(B11_8)); | |
1107 | } | |
1108 | else { | |
1109 | gen_op_float_FT(); | |
1110 | gen_op_fmov_FT0_frN(FREG(B11_8)); | |
1111 | } | |
1112 | return; | |
e67888a7 | 1113 | case 0xf03d: /* ftrc FRm/DRm,FPUL - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */ |
ea6cf6be TS |
1114 | if (ctx->fpscr & FPSCR_PR) { |
1115 | if (ctx->opcode & 0x0100) | |
1116 | break; /* illegal instruction */ | |
1117 | gen_op_fmov_drN_DT0(DREG(B11_8)); | |
1118 | gen_op_ftrc_DT(); | |
1119 | } | |
1120 | else { | |
1121 | gen_op_fmov_frN_FT0(FREG(B11_8)); | |
1122 | gen_op_ftrc_FT(); | |
1123 | } | |
1124 | return; | |
e67888a7 | 1125 | case 0xf08d: /* fldi0 FRn - FPSCR: R[PR] */ |
ea6cf6be TS |
1126 | if (!(ctx->fpscr & FPSCR_PR)) { |
1127 | gen_op_movl_imm_T0(0); | |
1128 | gen_op_fmov_T0_frN(FREG(B11_8)); | |
1129 | return; | |
1130 | } | |
1131 | break; | |
e67888a7 | 1132 | case 0xf09d: /* fldi1 FRn - FPSCR: R[PR] */ |
ea6cf6be TS |
1133 | if (!(ctx->fpscr & FPSCR_PR)) { |
1134 | gen_op_movl_imm_T0(0x3f800000); | |
1135 | gen_op_fmov_T0_frN(FREG(B11_8)); | |
1136 | return; | |
1137 | } | |
1138 | break; | |
fdf9b3e8 FB |
1139 | } |
1140 | ||
1141 | fprintf(stderr, "unknown instruction 0x%04x at pc 0x%08x\n", | |
1142 | ctx->opcode, ctx->pc); | |
1143 | gen_op_raise_illegal_instruction(); | |
1144 | ctx->flags |= BRANCH_EXCEPTION; | |
1145 | } | |
1146 | ||
820e00f2 TS |
1147 | static inline int |
1148 | gen_intermediate_code_internal(CPUState * env, TranslationBlock * tb, | |
1149 | int search_pc) | |
fdf9b3e8 FB |
1150 | { |
1151 | DisasContext ctx; | |
1152 | target_ulong pc_start; | |
1153 | static uint16_t *gen_opc_end; | |
1154 | uint32_t old_flags; | |
355fb23d | 1155 | int i, ii; |
fdf9b3e8 FB |
1156 | |
1157 | pc_start = tb->pc; | |
1158 | gen_opc_ptr = gen_opc_buf; | |
1159 | gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; | |
1160 | gen_opparam_ptr = gen_opparam_buf; | |
1161 | ctx.pc = pc_start; | |
1162 | ctx.flags = env->flags; | |
1163 | old_flags = 0; | |
1164 | ctx.sr = env->sr; | |
eda9b09b | 1165 | ctx.fpscr = env->fpscr; |
fdf9b3e8 | 1166 | ctx.memidx = (env->sr & SR_MD) ? 1 : 0; |
9854bc46 PB |
1167 | /* We don't know if the delayed pc came from a dynamic or static branch, |
1168 | so assume it is a dynamic branch. */ | |
1169 | ctx.delayed_pc = -1; | |
fdf9b3e8 FB |
1170 | ctx.tb = tb; |
1171 | ctx.singlestep_enabled = env->singlestep_enabled; | |
1172 | nb_gen_labels = 0; | |
1173 | ||
1174 | #ifdef DEBUG_DISAS | |
1175 | if (loglevel & CPU_LOG_TB_CPU) { | |
1176 | fprintf(logfile, | |
1177 | "------------------------------------------------\n"); | |
1178 | cpu_dump_state(env, logfile, fprintf, 0); | |
1179 | } | |
1180 | #endif | |
1181 | ||
355fb23d | 1182 | ii = -1; |
fdf9b3e8 FB |
1183 | while ((old_flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) == 0 && |
1184 | (ctx.flags & (BRANCH | BRANCH_CONDITIONAL | MODE_CHANGE | | |
1185 | BRANCH_EXCEPTION)) == 0 && | |
1186 | gen_opc_ptr < gen_opc_end && ctx.sr == env->sr) { | |
1187 | old_flags = ctx.flags; | |
1188 | if (env->nb_breakpoints > 0) { | |
1189 | for (i = 0; i < env->nb_breakpoints; i++) { | |
1190 | if (ctx.pc == env->breakpoints[i]) { | |
1191 | /* We have hit a breakpoint - make sure PC is up-to-date */ | |
1192 | gen_op_movl_imm_PC(ctx.pc); | |
1193 | gen_op_debug(); | |
1194 | ctx.flags |= BRANCH_EXCEPTION; | |
1195 | break; | |
1196 | } | |
1197 | } | |
1198 | } | |
355fb23d PB |
1199 | if (search_pc) { |
1200 | i = gen_opc_ptr - gen_opc_buf; | |
1201 | if (ii < i) { | |
1202 | ii++; | |
1203 | while (ii < i) | |
1204 | gen_opc_instr_start[ii++] = 0; | |
1205 | } | |
1206 | gen_opc_pc[ii] = ctx.pc; | |
1207 | gen_opc_instr_start[ii] = 1; | |
1208 | } | |
fdf9b3e8 FB |
1209 | #if 0 |
1210 | fprintf(stderr, "Loading opcode at address 0x%08x\n", ctx.pc); | |
1211 | fflush(stderr); | |
1212 | #endif | |
1213 | ctx.opcode = lduw_code(ctx.pc); | |
1214 | decode_opc(&ctx); | |
1215 | ctx.pc += 2; | |
1216 | if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) | |
1217 | break; | |
1218 | if (env->singlestep_enabled) | |
1219 | break; | |
1220 | #ifdef SH4_SINGLE_STEP | |
1221 | break; | |
1222 | #endif | |
1223 | } | |
1224 | ||
9c2a9ea1 | 1225 | if (old_flags & DELAY_SLOT_CONDITIONAL) { |
fdf9b3e8 | 1226 | gen_delayed_conditional_jump(&ctx); |
9c2a9ea1 | 1227 | } else if (old_flags & DELAY_SLOT) { |
fdf9b3e8 FB |
1228 | gen_op_clr_delay_slot(); |
1229 | gen_jump(&ctx); | |
9c2a9ea1 PB |
1230 | } else if (ctx.flags & BRANCH_EXCEPTION) { |
1231 | gen_jump_exception(&ctx); | |
1232 | } else if ((ctx.flags & (BRANCH | BRANCH_CONDITIONAL)) == 0) { | |
1233 | gen_goto_tb(&ctx, 0, ctx.pc); | |
fdf9b3e8 FB |
1234 | } |
1235 | ||
1236 | if (env->singlestep_enabled) { | |
1237 | gen_op_debug(); | |
1238 | } | |
1239 | *gen_opc_ptr = INDEX_op_end; | |
355fb23d PB |
1240 | if (search_pc) { |
1241 | i = gen_opc_ptr - gen_opc_buf; | |
1242 | ii++; | |
1243 | while (ii <= i) | |
1244 | gen_opc_instr_start[ii++] = 0; | |
355fb23d PB |
1245 | } else { |
1246 | tb->size = ctx.pc - pc_start; | |
1247 | } | |
fdf9b3e8 FB |
1248 | |
1249 | #ifdef DEBUG_DISAS | |
1250 | #ifdef SH4_DEBUG_DISAS | |
1251 | if (loglevel & CPU_LOG_TB_IN_ASM) | |
1252 | fprintf(logfile, "\n"); | |
1253 | #endif | |
1254 | if (loglevel & CPU_LOG_TB_IN_ASM) { | |
1255 | fprintf(logfile, "IN:\n"); /* , lookup_symbol(pc_start)); */ | |
1256 | target_disas(logfile, pc_start, ctx.pc - pc_start, 0); | |
1257 | fprintf(logfile, "\n"); | |
1258 | } | |
1259 | if (loglevel & CPU_LOG_TB_OP) { | |
1260 | fprintf(logfile, "OP:\n"); | |
1261 | dump_ops(gen_opc_buf, gen_opparam_buf); | |
1262 | fprintf(logfile, "\n"); | |
1263 | } | |
1264 | #endif | |
1265 | return 0; | |
1266 | } | |
1267 | ||
1268 | int gen_intermediate_code(CPUState * env, struct TranslationBlock *tb) | |
1269 | { | |
1270 | return gen_intermediate_code_internal(env, tb, 0); | |
1271 | } | |
1272 | ||
1273 | int gen_intermediate_code_pc(CPUState * env, struct TranslationBlock *tb) | |
1274 | { | |
fdf9b3e8 FB |
1275 | return gen_intermediate_code_internal(env, tb, 1); |
1276 | } |