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Commit | Line | Data |
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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" | |
57fec1fe | 34 | #include "tcg-op.h" |
ca10f867 | 35 | #include "qemu-common.h" |
fdf9b3e8 FB |
36 | |
37 | typedef struct DisasContext { | |
38 | struct TranslationBlock *tb; | |
39 | target_ulong pc; | |
40 | uint32_t sr; | |
eda9b09b | 41 | uint32_t fpscr; |
fdf9b3e8 FB |
42 | uint16_t opcode; |
43 | uint32_t flags; | |
823029f9 | 44 | int bstate; |
fdf9b3e8 FB |
45 | int memidx; |
46 | uint32_t delayed_pc; | |
47 | int singlestep_enabled; | |
48 | } DisasContext; | |
49 | ||
823029f9 TS |
50 | enum { |
51 | BS_NONE = 0, /* We go out of the TB without reaching a branch or an | |
52 | * exception condition | |
53 | */ | |
54 | BS_STOP = 1, /* We want to stop translation for any reason */ | |
55 | BS_BRANCH = 2, /* We reached a branch condition */ | |
56 | BS_EXCP = 3, /* We reached an exception condition */ | |
57 | }; | |
58 | ||
2e70f6ef PB |
59 | static TCGv cpu_env; |
60 | ||
61 | #include "gen-icount.h" | |
62 | ||
b2437bf2 | 63 | static void sh4_translate_init() |
2e70f6ef PB |
64 | { |
65 | static int done_init = 0; | |
66 | if (done_init) | |
67 | return; | |
68 | cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env"); | |
69 | done_init = 1; | |
70 | } | |
71 | ||
fdf9b3e8 FB |
72 | #ifdef CONFIG_USER_ONLY |
73 | ||
eda9b09b FB |
74 | #define GEN_OP_LD(width, reg) \ |
75 | void gen_op_ld##width##_T0_##reg (DisasContext *ctx) { \ | |
76 | gen_op_ld##width##_T0_##reg##_raw(); \ | |
fdf9b3e8 | 77 | } |
eda9b09b FB |
78 | #define GEN_OP_ST(width, reg) \ |
79 | void gen_op_st##width##_##reg##_T1 (DisasContext *ctx) { \ | |
80 | gen_op_st##width##_##reg##_T1_raw(); \ | |
fdf9b3e8 FB |
81 | } |
82 | ||
83 | #else | |
84 | ||
eda9b09b FB |
85 | #define GEN_OP_LD(width, reg) \ |
86 | void gen_op_ld##width##_T0_##reg (DisasContext *ctx) { \ | |
87 | if (ctx->memidx) gen_op_ld##width##_T0_##reg##_kernel(); \ | |
88 | else gen_op_ld##width##_T0_##reg##_user();\ | |
fdf9b3e8 | 89 | } |
eda9b09b FB |
90 | #define GEN_OP_ST(width, reg) \ |
91 | void gen_op_st##width##_##reg##_T1 (DisasContext *ctx) { \ | |
92 | if (ctx->memidx) gen_op_st##width##_##reg##_T1_kernel(); \ | |
93 | else gen_op_st##width##_##reg##_T1_user();\ | |
fdf9b3e8 FB |
94 | } |
95 | ||
96 | #endif | |
97 | ||
eda9b09b FB |
98 | GEN_OP_LD(ub, T0) |
99 | GEN_OP_LD(b, T0) | |
100 | GEN_OP_ST(b, T0) | |
101 | GEN_OP_LD(uw, T0) | |
102 | GEN_OP_LD(w, T0) | |
103 | GEN_OP_ST(w, T0) | |
104 | GEN_OP_LD(l, T0) | |
105 | GEN_OP_ST(l, T0) | |
106 | GEN_OP_LD(fl, FT0) | |
107 | GEN_OP_ST(fl, FT0) | |
108 | GEN_OP_LD(fq, DT0) | |
109 | GEN_OP_ST(fq, DT0) | |
fdf9b3e8 FB |
110 | |
111 | void cpu_dump_state(CPUState * env, FILE * f, | |
112 | int (*cpu_fprintf) (FILE * f, const char *fmt, ...), | |
113 | int flags) | |
114 | { | |
115 | int i; | |
eda9b09b FB |
116 | cpu_fprintf(f, "pc=0x%08x sr=0x%08x pr=0x%08x fpscr=0x%08x\n", |
117 | env->pc, env->sr, env->pr, env->fpscr); | |
fdf9b3e8 FB |
118 | for (i = 0; i < 24; i += 4) { |
119 | cpu_fprintf(f, "r%d=0x%08x r%d=0x%08x r%d=0x%08x r%d=0x%08x\n", | |
120 | i, env->gregs[i], i + 1, env->gregs[i + 1], | |
121 | i + 2, env->gregs[i + 2], i + 3, env->gregs[i + 3]); | |
122 | } | |
123 | if (env->flags & DELAY_SLOT) { | |
124 | cpu_fprintf(f, "in delay slot (delayed_pc=0x%08x)\n", | |
125 | env->delayed_pc); | |
126 | } else if (env->flags & DELAY_SLOT_CONDITIONAL) { | |
127 | cpu_fprintf(f, "in conditional delay slot (delayed_pc=0x%08x)\n", | |
128 | env->delayed_pc); | |
129 | } | |
130 | } | |
131 | ||
132 | void cpu_sh4_reset(CPUSH4State * env) | |
133 | { | |
9c2a9ea1 | 134 | #if defined(CONFIG_USER_ONLY) |
4c909d14 | 135 | env->sr = SR_FD; /* FD - kernel does lazy fpu context switch */ |
9c2a9ea1 | 136 | #else |
fdf9b3e8 | 137 | env->sr = 0x700000F0; /* MD, RB, BL, I3-I0 */ |
9c2a9ea1 | 138 | #endif |
fdf9b3e8 FB |
139 | env->vbr = 0; |
140 | env->pc = 0xA0000000; | |
ea6cf6be TS |
141 | #if defined(CONFIG_USER_ONLY) |
142 | env->fpscr = FPSCR_PR; /* value for userspace according to the kernel */ | |
b0b3de89 | 143 | set_float_rounding_mode(float_round_nearest_even, &env->fp_status); /* ?! */ |
ea6cf6be TS |
144 | #else |
145 | env->fpscr = 0x00040001; /* CPU reset value according to SH4 manual */ | |
b0b3de89 | 146 | set_float_rounding_mode(float_round_to_zero, &env->fp_status); |
ea6cf6be | 147 | #endif |
fdf9b3e8 FB |
148 | env->mmucr = 0; |
149 | } | |
150 | ||
aaed909a | 151 | CPUSH4State *cpu_sh4_init(const char *cpu_model) |
fdf9b3e8 FB |
152 | { |
153 | CPUSH4State *env; | |
154 | ||
155 | env = qemu_mallocz(sizeof(CPUSH4State)); | |
156 | if (!env) | |
157 | return NULL; | |
158 | cpu_exec_init(env); | |
2e70f6ef | 159 | sh4_translate_init(); |
fdf9b3e8 FB |
160 | cpu_sh4_reset(env); |
161 | tlb_flush(env, 1); | |
162 | return env; | |
163 | } | |
164 | ||
fdf9b3e8 FB |
165 | static void gen_goto_tb(DisasContext * ctx, int n, target_ulong dest) |
166 | { | |
167 | TranslationBlock *tb; | |
168 | tb = ctx->tb; | |
169 | ||
170 | if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) && | |
171 | !ctx->singlestep_enabled) { | |
172 | /* Use a direct jump if in same page and singlestep not enabled */ | |
57fec1fe FB |
173 | tcg_gen_goto_tb(n); |
174 | gen_op_movl_imm_PC(dest); | |
175 | tcg_gen_exit_tb((long) tb + n); | |
fdf9b3e8 | 176 | } else { |
57fec1fe FB |
177 | gen_op_movl_imm_PC(dest); |
178 | if (ctx->singlestep_enabled) | |
179 | gen_op_debug(); | |
180 | tcg_gen_exit_tb(0); | |
fdf9b3e8 | 181 | } |
fdf9b3e8 FB |
182 | } |
183 | ||
fdf9b3e8 FB |
184 | static void gen_jump(DisasContext * ctx) |
185 | { | |
186 | if (ctx->delayed_pc == (uint32_t) - 1) { | |
187 | /* Target is not statically known, it comes necessarily from a | |
188 | delayed jump as immediate jump are conditinal jumps */ | |
189 | gen_op_movl_delayed_pc_PC(); | |
fdf9b3e8 FB |
190 | if (ctx->singlestep_enabled) |
191 | gen_op_debug(); | |
57fec1fe | 192 | tcg_gen_exit_tb(0); |
fdf9b3e8 FB |
193 | } else { |
194 | gen_goto_tb(ctx, 0, ctx->delayed_pc); | |
195 | } | |
196 | } | |
197 | ||
198 | /* Immediate conditional jump (bt or bf) */ | |
199 | static void gen_conditional_jump(DisasContext * ctx, | |
200 | target_ulong ift, target_ulong ifnott) | |
201 | { | |
202 | int l1; | |
203 | ||
204 | l1 = gen_new_label(); | |
205 | gen_op_jT(l1); | |
206 | gen_goto_tb(ctx, 0, ifnott); | |
207 | gen_set_label(l1); | |
208 | gen_goto_tb(ctx, 1, ift); | |
209 | } | |
210 | ||
211 | /* Delayed conditional jump (bt or bf) */ | |
212 | static void gen_delayed_conditional_jump(DisasContext * ctx) | |
213 | { | |
214 | int l1; | |
215 | ||
216 | l1 = gen_new_label(); | |
9c2a9ea1 | 217 | gen_op_jdelayed(l1); |
823029f9 | 218 | gen_goto_tb(ctx, 1, ctx->pc + 2); |
fdf9b3e8 | 219 | gen_set_label(l1); |
9c2a9ea1 | 220 | gen_jump(ctx); |
fdf9b3e8 FB |
221 | } |
222 | ||
223 | #define B3_0 (ctx->opcode & 0xf) | |
224 | #define B6_4 ((ctx->opcode >> 4) & 0x7) | |
225 | #define B7_4 ((ctx->opcode >> 4) & 0xf) | |
226 | #define B7_0 (ctx->opcode & 0xff) | |
227 | #define B7_0s ((int32_t) (int8_t) (ctx->opcode & 0xff)) | |
228 | #define B11_0s (ctx->opcode & 0x800 ? 0xfffff000 | (ctx->opcode & 0xfff) : \ | |
229 | (ctx->opcode & 0xfff)) | |
230 | #define B11_8 ((ctx->opcode >> 8) & 0xf) | |
231 | #define B15_12 ((ctx->opcode >> 12) & 0xf) | |
232 | ||
233 | #define REG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB) ? \ | |
234 | (x) + 16 : (x)) | |
235 | ||
236 | #define ALTREG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) != (SR_MD | SR_RB) \ | |
237 | ? (x) + 16 : (x)) | |
238 | ||
eda9b09b | 239 | #define FREG(x) (ctx->fpscr & FPSCR_FR ? (x) ^ 0x10 : (x)) |
f09111e0 | 240 | #define XHACK(x) ((((x) & 1 ) << 4) | ((x) & 0xe)) |
eda9b09b | 241 | #define XREG(x) (ctx->fpscr & FPSCR_FR ? XHACK(x) ^ 0x10 : XHACK(x)) |
ea6cf6be | 242 | #define DREG(x) FREG(x) /* Assumes lsb of (x) is always 0 */ |
eda9b09b | 243 | |
fdf9b3e8 FB |
244 | #define CHECK_NOT_DELAY_SLOT \ |
245 | if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) \ | |
823029f9 | 246 | {gen_op_raise_slot_illegal_instruction (); ctx->bstate = BS_EXCP; \ |
fdf9b3e8 FB |
247 | return;} |
248 | ||
823029f9 | 249 | void _decode_opc(DisasContext * ctx) |
fdf9b3e8 FB |
250 | { |
251 | #if 0 | |
252 | fprintf(stderr, "Translating opcode 0x%04x\n", ctx->opcode); | |
253 | #endif | |
254 | switch (ctx->opcode) { | |
255 | case 0x0019: /* div0u */ | |
fdf9b3e8 FB |
256 | gen_op_div0u(); |
257 | return; | |
258 | case 0x000b: /* rts */ | |
259 | CHECK_NOT_DELAY_SLOT gen_op_rts(); | |
260 | ctx->flags |= DELAY_SLOT; | |
261 | ctx->delayed_pc = (uint32_t) - 1; | |
262 | return; | |
263 | case 0x0028: /* clrmac */ | |
264 | gen_op_clrmac(); | |
265 | return; | |
266 | case 0x0048: /* clrs */ | |
267 | gen_op_clrs(); | |
268 | return; | |
269 | case 0x0008: /* clrt */ | |
270 | gen_op_clrt(); | |
271 | return; | |
272 | case 0x0038: /* ldtlb */ | |
ea2b542a | 273 | #if defined(CONFIG_USER_ONLY) |
fdf9b3e8 | 274 | assert(0); /* XXXXX */ |
ea2b542a AJ |
275 | #else |
276 | gen_op_ldtlb(); | |
277 | #endif | |
fdf9b3e8 | 278 | return; |
c5e814b2 | 279 | case 0x002b: /* rte */ |
fdf9b3e8 FB |
280 | CHECK_NOT_DELAY_SLOT gen_op_rte(); |
281 | ctx->flags |= DELAY_SLOT; | |
282 | ctx->delayed_pc = (uint32_t) - 1; | |
283 | return; | |
284 | case 0x0058: /* sets */ | |
285 | gen_op_sets(); | |
286 | return; | |
287 | case 0x0018: /* sett */ | |
288 | gen_op_sett(); | |
289 | return; | |
24988dc2 | 290 | case 0xfbfd: /* frchg */ |
eda9b09b | 291 | gen_op_frchg(); |
823029f9 | 292 | ctx->bstate = BS_STOP; |
fdf9b3e8 | 293 | return; |
24988dc2 | 294 | case 0xf3fd: /* fschg */ |
eda9b09b | 295 | gen_op_fschg(); |
823029f9 | 296 | ctx->bstate = BS_STOP; |
fdf9b3e8 FB |
297 | return; |
298 | case 0x0009: /* nop */ | |
299 | return; | |
300 | case 0x001b: /* sleep */ | |
301 | assert(0); /* XXXXX */ | |
302 | return; | |
303 | } | |
304 | ||
305 | switch (ctx->opcode & 0xf000) { | |
306 | case 0x1000: /* mov.l Rm,@(disp,Rn) */ | |
307 | gen_op_movl_rN_T0(REG(B7_4)); | |
308 | gen_op_movl_rN_T1(REG(B11_8)); | |
309 | gen_op_addl_imm_T1(B3_0 * 4); | |
310 | gen_op_stl_T0_T1(ctx); | |
311 | return; | |
312 | case 0x5000: /* mov.l @(disp,Rm),Rn */ | |
313 | gen_op_movl_rN_T0(REG(B7_4)); | |
314 | gen_op_addl_imm_T0(B3_0 * 4); | |
315 | gen_op_ldl_T0_T0(ctx); | |
316 | gen_op_movl_T0_rN(REG(B11_8)); | |
317 | return; | |
24988dc2 | 318 | case 0xe000: /* mov #imm,Rn */ |
fdf9b3e8 FB |
319 | gen_op_movl_imm_rN(B7_0s, REG(B11_8)); |
320 | return; | |
321 | case 0x9000: /* mov.w @(disp,PC),Rn */ | |
322 | gen_op_movl_imm_T0(ctx->pc + 4 + B7_0 * 2); | |
323 | gen_op_ldw_T0_T0(ctx); | |
324 | gen_op_movl_T0_rN(REG(B11_8)); | |
325 | return; | |
326 | case 0xd000: /* mov.l @(disp,PC),Rn */ | |
327 | gen_op_movl_imm_T0((ctx->pc + 4 + B7_0 * 4) & ~3); | |
328 | gen_op_ldl_T0_T0(ctx); | |
329 | gen_op_movl_T0_rN(REG(B11_8)); | |
330 | return; | |
24988dc2 | 331 | case 0x7000: /* add #imm,Rn */ |
fdf9b3e8 FB |
332 | gen_op_add_imm_rN(B7_0s, REG(B11_8)); |
333 | return; | |
334 | case 0xa000: /* bra disp */ | |
335 | CHECK_NOT_DELAY_SLOT | |
336 | gen_op_bra(ctx->delayed_pc = ctx->pc + 4 + B11_0s * 2); | |
337 | ctx->flags |= DELAY_SLOT; | |
338 | return; | |
339 | case 0xb000: /* bsr disp */ | |
340 | CHECK_NOT_DELAY_SLOT | |
341 | gen_op_bsr(ctx->pc + 4, ctx->delayed_pc = | |
342 | ctx->pc + 4 + B11_0s * 2); | |
343 | ctx->flags |= DELAY_SLOT; | |
344 | return; | |
345 | } | |
346 | ||
347 | switch (ctx->opcode & 0xf00f) { | |
348 | case 0x6003: /* mov Rm,Rn */ | |
349 | gen_op_movl_rN_T0(REG(B7_4)); | |
350 | gen_op_movl_T0_rN(REG(B11_8)); | |
351 | return; | |
352 | case 0x2000: /* mov.b Rm,@Rn */ | |
353 | gen_op_movl_rN_T0(REG(B7_4)); | |
354 | gen_op_movl_rN_T1(REG(B11_8)); | |
355 | gen_op_stb_T0_T1(ctx); | |
356 | return; | |
357 | case 0x2001: /* mov.w Rm,@Rn */ | |
358 | gen_op_movl_rN_T0(REG(B7_4)); | |
359 | gen_op_movl_rN_T1(REG(B11_8)); | |
360 | gen_op_stw_T0_T1(ctx); | |
361 | return; | |
362 | case 0x2002: /* mov.l Rm,@Rn */ | |
363 | gen_op_movl_rN_T0(REG(B7_4)); | |
364 | gen_op_movl_rN_T1(REG(B11_8)); | |
365 | gen_op_stl_T0_T1(ctx); | |
366 | return; | |
367 | case 0x6000: /* mov.b @Rm,Rn */ | |
368 | gen_op_movl_rN_T0(REG(B7_4)); | |
369 | gen_op_ldb_T0_T0(ctx); | |
370 | gen_op_movl_T0_rN(REG(B11_8)); | |
371 | return; | |
372 | case 0x6001: /* mov.w @Rm,Rn */ | |
373 | gen_op_movl_rN_T0(REG(B7_4)); | |
374 | gen_op_ldw_T0_T0(ctx); | |
375 | gen_op_movl_T0_rN(REG(B11_8)); | |
376 | return; | |
377 | case 0x6002: /* mov.l @Rm,Rn */ | |
378 | gen_op_movl_rN_T0(REG(B7_4)); | |
379 | gen_op_ldl_T0_T0(ctx); | |
380 | gen_op_movl_T0_rN(REG(B11_8)); | |
381 | return; | |
382 | case 0x2004: /* mov.b Rm,@-Rn */ | |
fdf9b3e8 | 383 | gen_op_movl_rN_T0(REG(B7_4)); |
24988dc2 | 384 | gen_op_dec1_rN(REG(B11_8)); |
fdf9b3e8 FB |
385 | gen_op_movl_rN_T1(REG(B11_8)); |
386 | gen_op_stb_T0_T1(ctx); | |
387 | return; | |
388 | case 0x2005: /* mov.w Rm,@-Rn */ | |
fdf9b3e8 | 389 | gen_op_movl_rN_T0(REG(B7_4)); |
24988dc2 | 390 | gen_op_dec2_rN(REG(B11_8)); |
fdf9b3e8 FB |
391 | gen_op_movl_rN_T1(REG(B11_8)); |
392 | gen_op_stw_T0_T1(ctx); | |
393 | return; | |
394 | case 0x2006: /* mov.l Rm,@-Rn */ | |
fdf9b3e8 | 395 | gen_op_movl_rN_T0(REG(B7_4)); |
24988dc2 | 396 | gen_op_dec4_rN(REG(B11_8)); |
fdf9b3e8 FB |
397 | gen_op_movl_rN_T1(REG(B11_8)); |
398 | gen_op_stl_T0_T1(ctx); | |
399 | return; | |
eda9b09b | 400 | case 0x6004: /* mov.b @Rm+,Rn */ |
fdf9b3e8 FB |
401 | gen_op_movl_rN_T0(REG(B7_4)); |
402 | gen_op_ldb_T0_T0(ctx); | |
403 | gen_op_movl_T0_rN(REG(B11_8)); | |
24988dc2 AJ |
404 | if ( B11_8 != B7_4 ) |
405 | gen_op_inc1_rN(REG(B7_4)); | |
fdf9b3e8 FB |
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)); | |
24988dc2 AJ |
411 | if ( B11_8 != B7_4 ) |
412 | gen_op_inc2_rN(REG(B7_4)); | |
fdf9b3e8 FB |
413 | return; |
414 | case 0x6006: /* mov.l @Rm+,Rn */ | |
415 | gen_op_movl_rN_T0(REG(B7_4)); | |
416 | gen_op_ldl_T0_T0(ctx); | |
417 | gen_op_movl_T0_rN(REG(B11_8)); | |
24988dc2 AJ |
418 | if ( B11_8 != B7_4 ) |
419 | gen_op_inc4_rN(REG(B7_4)); | |
fdf9b3e8 FB |
420 | return; |
421 | case 0x0004: /* mov.b Rm,@(R0,Rn) */ | |
422 | gen_op_movl_rN_T0(REG(B7_4)); | |
423 | gen_op_movl_rN_T1(REG(B11_8)); | |
424 | gen_op_add_rN_T1(REG(0)); | |
425 | gen_op_stb_T0_T1(ctx); | |
426 | return; | |
427 | case 0x0005: /* mov.w Rm,@(R0,Rn) */ | |
428 | gen_op_movl_rN_T0(REG(B7_4)); | |
429 | gen_op_movl_rN_T1(REG(B11_8)); | |
430 | gen_op_add_rN_T1(REG(0)); | |
431 | gen_op_stw_T0_T1(ctx); | |
432 | return; | |
433 | case 0x0006: /* mov.l Rm,@(R0,Rn) */ | |
434 | gen_op_movl_rN_T0(REG(B7_4)); | |
435 | gen_op_movl_rN_T1(REG(B11_8)); | |
436 | gen_op_add_rN_T1(REG(0)); | |
437 | gen_op_stl_T0_T1(ctx); | |
438 | return; | |
439 | case 0x000c: /* mov.b @(R0,Rm),Rn */ | |
440 | gen_op_movl_rN_T0(REG(B7_4)); | |
441 | gen_op_add_rN_T0(REG(0)); | |
442 | gen_op_ldb_T0_T0(ctx); | |
443 | gen_op_movl_T0_rN(REG(B11_8)); | |
444 | return; | |
445 | case 0x000d: /* mov.w @(R0,Rm),Rn */ | |
446 | gen_op_movl_rN_T0(REG(B7_4)); | |
447 | gen_op_add_rN_T0(REG(0)); | |
448 | gen_op_ldw_T0_T0(ctx); | |
449 | gen_op_movl_T0_rN(REG(B11_8)); | |
450 | return; | |
451 | case 0x000e: /* mov.l @(R0,Rm),Rn */ | |
452 | gen_op_movl_rN_T0(REG(B7_4)); | |
453 | gen_op_add_rN_T0(REG(0)); | |
454 | gen_op_ldl_T0_T0(ctx); | |
455 | gen_op_movl_T0_rN(REG(B11_8)); | |
456 | return; | |
457 | case 0x6008: /* swap.b Rm,Rn */ | |
458 | gen_op_movl_rN_T0(REG(B7_4)); | |
459 | gen_op_swapb_T0(); | |
460 | gen_op_movl_T0_rN(REG(B11_8)); | |
461 | return; | |
462 | case 0x6009: /* swap.w Rm,Rn */ | |
463 | gen_op_movl_rN_T0(REG(B7_4)); | |
464 | gen_op_swapw_T0(); | |
465 | gen_op_movl_T0_rN(REG(B11_8)); | |
466 | return; | |
467 | case 0x200d: /* xtrct Rm,Rn */ | |
468 | gen_op_movl_rN_T0(REG(B7_4)); | |
469 | gen_op_movl_rN_T1(REG(B11_8)); | |
470 | gen_op_xtrct_T0_T1(); | |
471 | gen_op_movl_T1_rN(REG(B11_8)); | |
472 | return; | |
473 | case 0x300c: /* add Rm,Rn */ | |
474 | gen_op_movl_rN_T0(REG(B7_4)); | |
475 | gen_op_add_T0_rN(REG(B11_8)); | |
476 | return; | |
477 | case 0x300e: /* addc Rm,Rn */ | |
478 | gen_op_movl_rN_T0(REG(B7_4)); | |
479 | gen_op_movl_rN_T1(REG(B11_8)); | |
480 | gen_op_addc_T0_T1(); | |
481 | gen_op_movl_T1_rN(REG(B11_8)); | |
482 | return; | |
483 | case 0x300f: /* addv Rm,Rn */ | |
484 | gen_op_movl_rN_T0(REG(B7_4)); | |
485 | gen_op_movl_rN_T1(REG(B11_8)); | |
486 | gen_op_addv_T0_T1(); | |
487 | gen_op_movl_T1_rN(REG(B11_8)); | |
488 | return; | |
489 | case 0x2009: /* and Rm,Rn */ | |
490 | gen_op_movl_rN_T0(REG(B7_4)); | |
491 | gen_op_and_T0_rN(REG(B11_8)); | |
492 | return; | |
493 | case 0x3000: /* cmp/eq Rm,Rn */ | |
494 | gen_op_movl_rN_T0(REG(B7_4)); | |
495 | gen_op_movl_rN_T1(REG(B11_8)); | |
496 | gen_op_cmp_eq_T0_T1(); | |
497 | return; | |
498 | case 0x3003: /* cmp/ge Rm,Rn */ | |
499 | gen_op_movl_rN_T0(REG(B7_4)); | |
500 | gen_op_movl_rN_T1(REG(B11_8)); | |
501 | gen_op_cmp_ge_T0_T1(); | |
502 | return; | |
503 | case 0x3007: /* cmp/gt Rm,Rn */ | |
504 | gen_op_movl_rN_T0(REG(B7_4)); | |
505 | gen_op_movl_rN_T1(REG(B11_8)); | |
506 | gen_op_cmp_gt_T0_T1(); | |
507 | return; | |
508 | case 0x3006: /* cmp/hi Rm,Rn */ | |
509 | gen_op_movl_rN_T0(REG(B7_4)); | |
510 | gen_op_movl_rN_T1(REG(B11_8)); | |
511 | gen_op_cmp_hi_T0_T1(); | |
512 | return; | |
513 | case 0x3002: /* cmp/hs Rm,Rn */ | |
514 | gen_op_movl_rN_T0(REG(B7_4)); | |
515 | gen_op_movl_rN_T1(REG(B11_8)); | |
516 | gen_op_cmp_hs_T0_T1(); | |
517 | return; | |
518 | case 0x200c: /* cmp/str Rm,Rn */ | |
519 | gen_op_movl_rN_T0(REG(B7_4)); | |
520 | gen_op_movl_rN_T1(REG(B11_8)); | |
521 | gen_op_cmp_str_T0_T1(); | |
522 | return; | |
523 | case 0x2007: /* div0s Rm,Rn */ | |
fdf9b3e8 FB |
524 | gen_op_movl_rN_T0(REG(B7_4)); |
525 | gen_op_movl_rN_T1(REG(B11_8)); | |
526 | gen_op_div0s_T0_T1(); | |
fdf9b3e8 FB |
527 | return; |
528 | case 0x3004: /* div1 Rm,Rn */ | |
529 | gen_op_movl_rN_T0(REG(B7_4)); | |
530 | gen_op_movl_rN_T1(REG(B11_8)); | |
531 | gen_op_div1_T0_T1(); | |
532 | gen_op_movl_T1_rN(REG(B11_8)); | |
533 | return; | |
534 | case 0x300d: /* dmuls.l Rm,Rn */ | |
535 | gen_op_movl_rN_T0(REG(B7_4)); | |
536 | gen_op_movl_rN_T1(REG(B11_8)); | |
537 | gen_op_dmulsl_T0_T1(); | |
538 | return; | |
539 | case 0x3005: /* dmulu.l Rm,Rn */ | |
540 | gen_op_movl_rN_T0(REG(B7_4)); | |
541 | gen_op_movl_rN_T1(REG(B11_8)); | |
542 | gen_op_dmulul_T0_T1(); | |
543 | return; | |
544 | case 0x600e: /* exts.b Rm,Rn */ | |
545 | gen_op_movb_rN_T0(REG(B7_4)); | |
546 | gen_op_movl_T0_rN(REG(B11_8)); | |
547 | return; | |
548 | case 0x600f: /* exts.w Rm,Rn */ | |
549 | gen_op_movw_rN_T0(REG(B7_4)); | |
550 | gen_op_movl_T0_rN(REG(B11_8)); | |
551 | return; | |
552 | case 0x600c: /* extu.b Rm,Rn */ | |
553 | gen_op_movub_rN_T0(REG(B7_4)); | |
554 | gen_op_movl_T0_rN(REG(B11_8)); | |
555 | return; | |
556 | case 0x600d: /* extu.w Rm,Rn */ | |
557 | gen_op_movuw_rN_T0(REG(B7_4)); | |
558 | gen_op_movl_T0_rN(REG(B11_8)); | |
559 | return; | |
24988dc2 | 560 | case 0x000f: /* mac.l @Rm+,@Rn+ */ |
fdf9b3e8 FB |
561 | gen_op_movl_rN_T0(REG(B11_8)); |
562 | gen_op_ldl_T0_T0(ctx); | |
563 | gen_op_movl_T0_T1(); | |
24988dc2 AJ |
564 | gen_op_inc4_rN(REG(B11_8)); |
565 | gen_op_movl_rN_T0(REG(B7_4)); | |
fdf9b3e8 FB |
566 | gen_op_ldl_T0_T0(ctx); |
567 | gen_op_macl_T0_T1(); | |
568 | gen_op_inc4_rN(REG(B7_4)); | |
fdf9b3e8 FB |
569 | return; |
570 | case 0x400f: /* mac.w @Rm+,@Rn+ */ | |
571 | gen_op_movl_rN_T0(REG(B11_8)); | |
572 | gen_op_ldl_T0_T0(ctx); | |
573 | gen_op_movl_T0_T1(); | |
24988dc2 AJ |
574 | gen_op_inc2_rN(REG(B11_8)); |
575 | gen_op_movl_rN_T0(REG(B7_4)); | |
fdf9b3e8 FB |
576 | gen_op_ldl_T0_T0(ctx); |
577 | gen_op_macw_T0_T1(); | |
578 | gen_op_inc2_rN(REG(B7_4)); | |
fdf9b3e8 FB |
579 | return; |
580 | case 0x0007: /* mul.l Rm,Rn */ | |
581 | gen_op_movl_rN_T0(REG(B7_4)); | |
582 | gen_op_movl_rN_T1(REG(B11_8)); | |
583 | gen_op_mull_T0_T1(); | |
584 | return; | |
585 | case 0x200f: /* muls.w Rm,Rn */ | |
586 | gen_op_movw_rN_T0(REG(B7_4)); | |
587 | gen_op_movw_rN_T1(REG(B11_8)); | |
588 | gen_op_mulsw_T0_T1(); | |
589 | return; | |
590 | case 0x200e: /* mulu.w Rm,Rn */ | |
591 | gen_op_movuw_rN_T0(REG(B7_4)); | |
592 | gen_op_movuw_rN_T1(REG(B11_8)); | |
593 | gen_op_muluw_T0_T1(); | |
594 | return; | |
595 | case 0x600b: /* neg Rm,Rn */ | |
596 | gen_op_movl_rN_T0(REG(B7_4)); | |
597 | gen_op_neg_T0(); | |
598 | gen_op_movl_T0_rN(REG(B11_8)); | |
599 | return; | |
600 | case 0x600a: /* negc Rm,Rn */ | |
601 | gen_op_movl_rN_T0(REG(B7_4)); | |
602 | gen_op_negc_T0(); | |
603 | gen_op_movl_T0_rN(REG(B11_8)); | |
604 | return; | |
605 | case 0x6007: /* not Rm,Rn */ | |
606 | gen_op_movl_rN_T0(REG(B7_4)); | |
607 | gen_op_not_T0(); | |
608 | gen_op_movl_T0_rN(REG(B11_8)); | |
609 | return; | |
610 | case 0x200b: /* or Rm,Rn */ | |
611 | gen_op_movl_rN_T0(REG(B7_4)); | |
612 | gen_op_or_T0_rN(REG(B11_8)); | |
613 | return; | |
614 | case 0x400c: /* shad Rm,Rn */ | |
615 | gen_op_movl_rN_T0(REG(B7_4)); | |
616 | gen_op_movl_rN_T1(REG(B11_8)); | |
617 | gen_op_shad_T0_T1(); | |
618 | gen_op_movl_T1_rN(REG(B11_8)); | |
619 | return; | |
620 | case 0x400d: /* shld Rm,Rn */ | |
621 | gen_op_movl_rN_T0(REG(B7_4)); | |
622 | gen_op_movl_rN_T1(REG(B11_8)); | |
623 | gen_op_shld_T0_T1(); | |
624 | gen_op_movl_T1_rN(REG(B11_8)); | |
625 | return; | |
626 | case 0x3008: /* sub Rm,Rn */ | |
627 | gen_op_movl_rN_T0(REG(B7_4)); | |
628 | gen_op_sub_T0_rN(REG(B11_8)); | |
629 | return; | |
630 | case 0x300a: /* subc Rm,Rn */ | |
631 | gen_op_movl_rN_T0(REG(B7_4)); | |
632 | gen_op_movl_rN_T1(REG(B11_8)); | |
633 | gen_op_subc_T0_T1(); | |
634 | gen_op_movl_T1_rN(REG(B11_8)); | |
635 | return; | |
636 | case 0x300b: /* subv Rm,Rn */ | |
637 | gen_op_movl_rN_T0(REG(B7_4)); | |
638 | gen_op_movl_rN_T1(REG(B11_8)); | |
639 | gen_op_subv_T0_T1(); | |
640 | gen_op_movl_T1_rN(REG(B11_8)); | |
641 | return; | |
642 | case 0x2008: /* tst Rm,Rn */ | |
643 | gen_op_movl_rN_T0(REG(B7_4)); | |
644 | gen_op_movl_rN_T1(REG(B11_8)); | |
645 | gen_op_tst_T0_T1(); | |
646 | return; | |
647 | case 0x200a: /* xor Rm,Rn */ | |
648 | gen_op_movl_rN_T0(REG(B7_4)); | |
649 | gen_op_xor_T0_rN(REG(B11_8)); | |
650 | return; | |
e67888a7 | 651 | case 0xf00c: /* fmov {F,D,X}Rm,{F,D,X}Rn - FPSCR: Nothing */ |
022a22c7 | 652 | if (ctx->fpscr & FPSCR_SZ) { |
24988dc2 AJ |
653 | gen_op_fmov_drN_DT0(XREG(B7_4)); |
654 | gen_op_fmov_DT0_drN(XREG(B11_8)); | |
eda9b09b FB |
655 | } else { |
656 | gen_op_fmov_frN_FT0(FREG(B7_4)); | |
657 | gen_op_fmov_FT0_frN(FREG(B11_8)); | |
658 | } | |
659 | return; | |
e67888a7 | 660 | case 0xf00a: /* fmov {F,D,X}Rm,@Rn - FPSCR: Nothing */ |
022a22c7 | 661 | if (ctx->fpscr & FPSCR_SZ) { |
24988dc2 | 662 | gen_op_fmov_drN_DT0(XREG(B7_4)); |
eda9b09b FB |
663 | gen_op_movl_rN_T1(REG(B11_8)); |
664 | gen_op_stfq_DT0_T1(ctx); | |
665 | } else { | |
666 | gen_op_fmov_frN_FT0(FREG(B7_4)); | |
667 | gen_op_movl_rN_T1(REG(B11_8)); | |
668 | gen_op_stfl_FT0_T1(ctx); | |
669 | } | |
670 | return; | |
e67888a7 | 671 | case 0xf008: /* fmov @Rm,{F,D,X}Rn - FPSCR: Nothing */ |
022a22c7 | 672 | if (ctx->fpscr & FPSCR_SZ) { |
eda9b09b FB |
673 | gen_op_movl_rN_T0(REG(B7_4)); |
674 | gen_op_ldfq_T0_DT0(ctx); | |
24988dc2 | 675 | gen_op_fmov_DT0_drN(XREG(B11_8)); |
eda9b09b FB |
676 | } else { |
677 | gen_op_movl_rN_T0(REG(B7_4)); | |
678 | gen_op_ldfl_T0_FT0(ctx); | |
f09111e0 | 679 | gen_op_fmov_FT0_frN(FREG(B11_8)); |
eda9b09b FB |
680 | } |
681 | return; | |
e67888a7 | 682 | case 0xf009: /* fmov @Rm+,{F,D,X}Rn - FPSCR: Nothing */ |
022a22c7 | 683 | if (ctx->fpscr & FPSCR_SZ) { |
eda9b09b FB |
684 | gen_op_movl_rN_T0(REG(B7_4)); |
685 | gen_op_ldfq_T0_DT0(ctx); | |
24988dc2 | 686 | gen_op_fmov_DT0_drN(XREG(B11_8)); |
eda9b09b FB |
687 | gen_op_inc8_rN(REG(B7_4)); |
688 | } else { | |
689 | gen_op_movl_rN_T0(REG(B7_4)); | |
690 | gen_op_ldfl_T0_FT0(ctx); | |
f09111e0 | 691 | gen_op_fmov_FT0_frN(FREG(B11_8)); |
eda9b09b FB |
692 | gen_op_inc4_rN(REG(B7_4)); |
693 | } | |
694 | return; | |
e67888a7 | 695 | case 0xf00b: /* fmov {F,D,X}Rm,@-Rn - FPSCR: Nothing */ |
022a22c7 | 696 | if (ctx->fpscr & FPSCR_SZ) { |
eda9b09b | 697 | gen_op_dec8_rN(REG(B11_8)); |
24988dc2 | 698 | gen_op_fmov_drN_DT0(XREG(B7_4)); |
eda9b09b FB |
699 | gen_op_movl_rN_T1(REG(B11_8)); |
700 | gen_op_stfq_DT0_T1(ctx); | |
701 | } else { | |
702 | gen_op_dec4_rN(REG(B11_8)); | |
703 | gen_op_fmov_frN_FT0(FREG(B7_4)); | |
704 | gen_op_movl_rN_T1(REG(B11_8)); | |
705 | gen_op_stfl_FT0_T1(ctx); | |
706 | } | |
707 | return; | |
e67888a7 | 708 | case 0xf006: /* fmov @(R0,Rm),{F,D,X}Rm - FPSCR: Nothing */ |
022a22c7 | 709 | if (ctx->fpscr & FPSCR_SZ) { |
eda9b09b FB |
710 | gen_op_movl_rN_T0(REG(B7_4)); |
711 | gen_op_add_rN_T0(REG(0)); | |
712 | gen_op_ldfq_T0_DT0(ctx); | |
24988dc2 | 713 | gen_op_fmov_DT0_drN(XREG(B11_8)); |
eda9b09b FB |
714 | } else { |
715 | gen_op_movl_rN_T0(REG(B7_4)); | |
716 | gen_op_add_rN_T0(REG(0)); | |
717 | gen_op_ldfl_T0_FT0(ctx); | |
f09111e0 | 718 | gen_op_fmov_FT0_frN(FREG(B11_8)); |
eda9b09b FB |
719 | } |
720 | return; | |
e67888a7 | 721 | case 0xf007: /* fmov {F,D,X}Rn,@(R0,Rn) - FPSCR: Nothing */ |
022a22c7 | 722 | if (ctx->fpscr & FPSCR_SZ) { |
24988dc2 | 723 | gen_op_fmov_drN_DT0(XREG(B7_4)); |
eda9b09b FB |
724 | gen_op_movl_rN_T1(REG(B11_8)); |
725 | gen_op_add_rN_T1(REG(0)); | |
726 | gen_op_stfq_DT0_T1(ctx); | |
727 | } else { | |
728 | gen_op_fmov_frN_FT0(FREG(B7_4)); | |
729 | gen_op_movl_rN_T1(REG(B11_8)); | |
730 | gen_op_add_rN_T1(REG(0)); | |
731 | gen_op_stfl_FT0_T1(ctx); | |
732 | } | |
733 | return; | |
e67888a7 TS |
734 | case 0xf000: /* fadd Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ |
735 | case 0xf001: /* fsub Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ | |
736 | case 0xf002: /* fmul Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ | |
737 | case 0xf003: /* fdiv Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ | |
738 | case 0xf004: /* fcmp/eq Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */ | |
739 | case 0xf005: /* fcmp/gt Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */ | |
ea6cf6be TS |
740 | if (ctx->fpscr & FPSCR_PR) { |
741 | if (ctx->opcode & 0x0110) | |
742 | break; /* illegal instruction */ | |
743 | gen_op_fmov_drN_DT1(DREG(B7_4)); | |
744 | gen_op_fmov_drN_DT0(DREG(B11_8)); | |
745 | } | |
746 | else { | |
747 | gen_op_fmov_frN_FT1(FREG(B7_4)); | |
748 | gen_op_fmov_frN_FT0(FREG(B11_8)); | |
749 | } | |
750 | ||
751 | switch (ctx->opcode & 0xf00f) { | |
752 | case 0xf000: /* fadd Rm,Rn */ | |
753 | ctx->fpscr & FPSCR_PR ? gen_op_fadd_DT() : gen_op_fadd_FT(); | |
754 | break; | |
755 | case 0xf001: /* fsub Rm,Rn */ | |
756 | ctx->fpscr & FPSCR_PR ? gen_op_fsub_DT() : gen_op_fsub_FT(); | |
757 | break; | |
758 | case 0xf002: /* fmul Rm,Rn */ | |
759 | ctx->fpscr & FPSCR_PR ? gen_op_fmul_DT() : gen_op_fmul_FT(); | |
760 | break; | |
761 | case 0xf003: /* fdiv Rm,Rn */ | |
762 | ctx->fpscr & FPSCR_PR ? gen_op_fdiv_DT() : gen_op_fdiv_FT(); | |
763 | break; | |
764 | case 0xf004: /* fcmp/eq Rm,Rn */ | |
24988dc2 | 765 | ctx->fpscr & FPSCR_PR ? gen_op_fcmp_eq_DT() : gen_op_fcmp_eq_FT(); |
ea6cf6be TS |
766 | return; |
767 | case 0xf005: /* fcmp/gt Rm,Rn */ | |
24988dc2 | 768 | ctx->fpscr & FPSCR_PR ? gen_op_fcmp_gt_DT() : gen_op_fcmp_gt_FT(); |
ea6cf6be TS |
769 | return; |
770 | } | |
771 | ||
772 | if (ctx->fpscr & FPSCR_PR) { | |
773 | gen_op_fmov_DT0_drN(DREG(B11_8)); | |
774 | } | |
775 | else { | |
776 | gen_op_fmov_FT0_frN(FREG(B11_8)); | |
777 | } | |
778 | return; | |
fdf9b3e8 FB |
779 | } |
780 | ||
781 | switch (ctx->opcode & 0xff00) { | |
782 | case 0xc900: /* and #imm,R0 */ | |
783 | gen_op_and_imm_rN(B7_0, REG(0)); | |
784 | return; | |
24988dc2 | 785 | case 0xcd00: /* and.b #imm,@(R0,GBR) */ |
fdf9b3e8 FB |
786 | gen_op_movl_rN_T0(REG(0)); |
787 | gen_op_addl_GBR_T0(); | |
788 | gen_op_movl_T0_T1(); | |
24988dc2 | 789 | gen_op_ldub_T0_T0(ctx); |
fdf9b3e8 FB |
790 | gen_op_and_imm_T0(B7_0); |
791 | gen_op_stb_T0_T1(ctx); | |
792 | return; | |
793 | case 0x8b00: /* bf label */ | |
794 | CHECK_NOT_DELAY_SLOT | |
795 | gen_conditional_jump(ctx, ctx->pc + 2, | |
796 | ctx->pc + 4 + B7_0s * 2); | |
823029f9 | 797 | ctx->bstate = BS_BRANCH; |
fdf9b3e8 FB |
798 | return; |
799 | case 0x8f00: /* bf/s label */ | |
800 | CHECK_NOT_DELAY_SLOT | |
801 | gen_op_bf_s(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2); | |
802 | ctx->flags |= DELAY_SLOT_CONDITIONAL; | |
803 | return; | |
804 | case 0x8900: /* bt label */ | |
805 | CHECK_NOT_DELAY_SLOT | |
806 | gen_conditional_jump(ctx, ctx->pc + 4 + B7_0s * 2, | |
807 | ctx->pc + 2); | |
823029f9 | 808 | ctx->bstate = BS_BRANCH; |
fdf9b3e8 FB |
809 | return; |
810 | case 0x8d00: /* bt/s label */ | |
811 | CHECK_NOT_DELAY_SLOT | |
812 | gen_op_bt_s(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2); | |
813 | ctx->flags |= DELAY_SLOT_CONDITIONAL; | |
814 | return; | |
815 | case 0x8800: /* cmp/eq #imm,R0 */ | |
816 | gen_op_movl_rN_T0(REG(0)); | |
817 | gen_op_cmp_eq_imm_T0(B7_0s); | |
818 | return; | |
819 | case 0xc400: /* mov.b @(disp,GBR),R0 */ | |
820 | gen_op_stc_gbr_T0(); | |
821 | gen_op_addl_imm_T0(B7_0); | |
822 | gen_op_ldb_T0_T0(ctx); | |
823 | gen_op_movl_T0_rN(REG(0)); | |
824 | return; | |
825 | case 0xc500: /* mov.w @(disp,GBR),R0 */ | |
826 | gen_op_stc_gbr_T0(); | |
24988dc2 | 827 | gen_op_addl_imm_T0(B7_0 * 2); |
fdf9b3e8 FB |
828 | gen_op_ldw_T0_T0(ctx); |
829 | gen_op_movl_T0_rN(REG(0)); | |
830 | return; | |
831 | case 0xc600: /* mov.l @(disp,GBR),R0 */ | |
832 | gen_op_stc_gbr_T0(); | |
24988dc2 | 833 | gen_op_addl_imm_T0(B7_0 * 4); |
fdf9b3e8 FB |
834 | gen_op_ldl_T0_T0(ctx); |
835 | gen_op_movl_T0_rN(REG(0)); | |
836 | return; | |
837 | case 0xc000: /* mov.b R0,@(disp,GBR) */ | |
838 | gen_op_stc_gbr_T0(); | |
839 | gen_op_addl_imm_T0(B7_0); | |
840 | gen_op_movl_T0_T1(); | |
841 | gen_op_movl_rN_T0(REG(0)); | |
842 | gen_op_stb_T0_T1(ctx); | |
843 | return; | |
844 | case 0xc100: /* mov.w R0,@(disp,GBR) */ | |
845 | gen_op_stc_gbr_T0(); | |
24988dc2 | 846 | gen_op_addl_imm_T0(B7_0 * 2); |
fdf9b3e8 FB |
847 | gen_op_movl_T0_T1(); |
848 | gen_op_movl_rN_T0(REG(0)); | |
849 | gen_op_stw_T0_T1(ctx); | |
850 | return; | |
851 | case 0xc200: /* mov.l R0,@(disp,GBR) */ | |
852 | gen_op_stc_gbr_T0(); | |
24988dc2 | 853 | gen_op_addl_imm_T0(B7_0 * 4); |
fdf9b3e8 FB |
854 | gen_op_movl_T0_T1(); |
855 | gen_op_movl_rN_T0(REG(0)); | |
856 | gen_op_stl_T0_T1(ctx); | |
857 | return; | |
858 | case 0x8000: /* mov.b R0,@(disp,Rn) */ | |
859 | gen_op_movl_rN_T0(REG(0)); | |
860 | gen_op_movl_rN_T1(REG(B7_4)); | |
861 | gen_op_addl_imm_T1(B3_0); | |
862 | gen_op_stb_T0_T1(ctx); | |
863 | return; | |
864 | case 0x8100: /* mov.w R0,@(disp,Rn) */ | |
865 | gen_op_movl_rN_T0(REG(0)); | |
866 | gen_op_movl_rN_T1(REG(B7_4)); | |
867 | gen_op_addl_imm_T1(B3_0 * 2); | |
868 | gen_op_stw_T0_T1(ctx); | |
869 | return; | |
870 | case 0x8400: /* mov.b @(disp,Rn),R0 */ | |
8c2cc7ce TS |
871 | gen_op_movl_rN_T0(REG(B7_4)); |
872 | gen_op_addl_imm_T0(B3_0); | |
873 | gen_op_ldb_T0_T0(ctx); | |
874 | gen_op_movl_T0_rN(REG(0)); | |
fdf9b3e8 FB |
875 | return; |
876 | case 0x8500: /* mov.w @(disp,Rn),R0 */ | |
877 | gen_op_movl_rN_T0(REG(B7_4)); | |
878 | gen_op_addl_imm_T0(B3_0 * 2); | |
879 | gen_op_ldw_T0_T0(ctx); | |
880 | gen_op_movl_T0_rN(REG(0)); | |
881 | return; | |
882 | case 0xc700: /* mova @(disp,PC),R0 */ | |
883 | gen_op_movl_imm_rN(((ctx->pc & 0xfffffffc) + 4 + B7_0 * 4) & ~3, | |
884 | REG(0)); | |
885 | return; | |
886 | case 0xcb00: /* or #imm,R0 */ | |
887 | gen_op_or_imm_rN(B7_0, REG(0)); | |
888 | return; | |
24988dc2 | 889 | case 0xcf00: /* or.b #imm,@(R0,GBR) */ |
fdf9b3e8 FB |
890 | gen_op_movl_rN_T0(REG(0)); |
891 | gen_op_addl_GBR_T0(); | |
892 | gen_op_movl_T0_T1(); | |
24988dc2 | 893 | gen_op_ldub_T0_T0(ctx); |
fdf9b3e8 FB |
894 | gen_op_or_imm_T0(B7_0); |
895 | gen_op_stb_T0_T1(ctx); | |
896 | return; | |
897 | case 0xc300: /* trapa #imm */ | |
898 | CHECK_NOT_DELAY_SLOT gen_op_movl_imm_PC(ctx->pc); | |
899 | gen_op_trapa(B7_0); | |
823029f9 | 900 | ctx->bstate = BS_BRANCH; |
fdf9b3e8 FB |
901 | return; |
902 | case 0xc800: /* tst #imm,R0 */ | |
903 | gen_op_tst_imm_rN(B7_0, REG(0)); | |
904 | return; | |
24988dc2 | 905 | case 0xcc00: /* tst.b #imm,@(R0,GBR) */ |
fdf9b3e8 FB |
906 | gen_op_movl_rN_T0(REG(0)); |
907 | gen_op_addl_GBR_T0(); | |
24988dc2 | 908 | gen_op_ldub_T0_T0(ctx); |
fdf9b3e8 FB |
909 | gen_op_tst_imm_T0(B7_0); |
910 | return; | |
911 | case 0xca00: /* xor #imm,R0 */ | |
912 | gen_op_xor_imm_rN(B7_0, REG(0)); | |
913 | return; | |
24988dc2 | 914 | case 0xce00: /* xor.b #imm,@(R0,GBR) */ |
fdf9b3e8 FB |
915 | gen_op_movl_rN_T0(REG(0)); |
916 | gen_op_addl_GBR_T0(); | |
917 | gen_op_movl_T0_T1(); | |
24988dc2 | 918 | gen_op_ldub_T0_T0(ctx); |
fdf9b3e8 FB |
919 | gen_op_xor_imm_T0(B7_0); |
920 | gen_op_stb_T0_T1(ctx); | |
921 | return; | |
922 | } | |
923 | ||
924 | switch (ctx->opcode & 0xf08f) { | |
925 | case 0x408e: /* ldc Rm,Rn_BANK */ | |
926 | gen_op_movl_rN_rN(REG(B11_8), ALTREG(B6_4)); | |
927 | return; | |
928 | case 0x4087: /* ldc.l @Rm+,Rn_BANK */ | |
929 | gen_op_movl_rN_T0(REG(B11_8)); | |
930 | gen_op_ldl_T0_T0(ctx); | |
931 | gen_op_movl_T0_rN(ALTREG(B6_4)); | |
932 | gen_op_inc4_rN(REG(B11_8)); | |
933 | return; | |
934 | case 0x0082: /* stc Rm_BANK,Rn */ | |
935 | gen_op_movl_rN_rN(ALTREG(B6_4), REG(B11_8)); | |
936 | return; | |
937 | case 0x4083: /* stc.l Rm_BANK,@-Rn */ | |
938 | gen_op_dec4_rN(REG(B11_8)); | |
939 | gen_op_movl_rN_T1(REG(B11_8)); | |
940 | gen_op_movl_rN_T0(ALTREG(B6_4)); | |
941 | gen_op_stl_T0_T1(ctx); | |
942 | return; | |
943 | } | |
944 | ||
945 | switch (ctx->opcode & 0xf0ff) { | |
946 | case 0x0023: /* braf Rn */ | |
947 | CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8)); | |
948 | gen_op_braf_T0(ctx->pc + 4); | |
949 | ctx->flags |= DELAY_SLOT; | |
950 | ctx->delayed_pc = (uint32_t) - 1; | |
951 | return; | |
952 | case 0x0003: /* bsrf Rn */ | |
953 | CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8)); | |
954 | gen_op_bsrf_T0(ctx->pc + 4); | |
955 | ctx->flags |= DELAY_SLOT; | |
956 | ctx->delayed_pc = (uint32_t) - 1; | |
957 | return; | |
958 | case 0x4015: /* cmp/pl Rn */ | |
959 | gen_op_movl_rN_T0(REG(B11_8)); | |
960 | gen_op_cmp_pl_T0(); | |
961 | return; | |
962 | case 0x4011: /* cmp/pz Rn */ | |
963 | gen_op_movl_rN_T0(REG(B11_8)); | |
964 | gen_op_cmp_pz_T0(); | |
965 | return; | |
966 | case 0x4010: /* dt Rn */ | |
967 | gen_op_dt_rN(REG(B11_8)); | |
968 | return; | |
969 | case 0x402b: /* jmp @Rn */ | |
970 | CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8)); | |
971 | gen_op_jmp_T0(); | |
972 | ctx->flags |= DELAY_SLOT; | |
973 | ctx->delayed_pc = (uint32_t) - 1; | |
974 | return; | |
975 | case 0x400b: /* jsr @Rn */ | |
976 | CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8)); | |
977 | gen_op_jsr_T0(ctx->pc + 4); | |
978 | ctx->flags |= DELAY_SLOT; | |
979 | ctx->delayed_pc = (uint32_t) - 1; | |
980 | return; | |
981 | #define LDST(reg,ldnum,ldpnum,ldop,stnum,stpnum,stop,extrald) \ | |
982 | case ldnum: \ | |
983 | gen_op_movl_rN_T0 (REG(B11_8)); \ | |
984 | gen_op_##ldop##_T0_##reg (); \ | |
985 | extrald \ | |
986 | return; \ | |
987 | case ldpnum: \ | |
988 | gen_op_movl_rN_T0 (REG(B11_8)); \ | |
989 | gen_op_ldl_T0_T0 (ctx); \ | |
990 | gen_op_inc4_rN (REG(B11_8)); \ | |
991 | gen_op_##ldop##_T0_##reg (); \ | |
992 | extrald \ | |
993 | return; \ | |
994 | case stnum: \ | |
995 | gen_op_##stop##_##reg##_T0 (); \ | |
996 | gen_op_movl_T0_rN (REG(B11_8)); \ | |
997 | return; \ | |
998 | case stpnum: \ | |
999 | gen_op_##stop##_##reg##_T0 (); \ | |
1000 | gen_op_dec4_rN (REG(B11_8)); \ | |
1001 | gen_op_movl_rN_T1 (REG(B11_8)); \ | |
1002 | gen_op_stl_T0_T1 (ctx); \ | |
1003 | return; | |
823029f9 TS |
1004 | LDST(sr, 0x400e, 0x4007, ldc, 0x0002, 0x4003, stc, ctx->bstate = |
1005 | BS_STOP;) | |
eda9b09b FB |
1006 | LDST(gbr, 0x401e, 0x4017, ldc, 0x0012, 0x4013, stc,) |
1007 | LDST(vbr, 0x402e, 0x4027, ldc, 0x0022, 0x4023, stc,) | |
1008 | LDST(ssr, 0x403e, 0x4037, ldc, 0x0032, 0x4033, stc,) | |
1009 | LDST(spc, 0x404e, 0x4047, ldc, 0x0042, 0x4043, stc,) | |
1010 | LDST(dbr, 0x40fa, 0x40f6, ldc, 0x00fa, 0x40f2, stc,) | |
1011 | LDST(mach, 0x400a, 0x4006, lds, 0x000a, 0x4002, sts,) | |
1012 | LDST(macl, 0x401a, 0x4016, lds, 0x001a, 0x4012, sts,) | |
1013 | LDST(pr, 0x402a, 0x4026, lds, 0x002a, 0x4022, sts,) | |
8bf5a804 | 1014 | LDST(fpul, 0x405a, 0x4056, lds, 0x005a, 0x4052, sts,) |
823029f9 TS |
1015 | LDST(fpscr, 0x406a, 0x4066, lds, 0x006a, 0x4062, sts, ctx->bstate = |
1016 | BS_STOP;) | |
fdf9b3e8 FB |
1017 | case 0x00c3: /* movca.l R0,@Rm */ |
1018 | gen_op_movl_rN_T0(REG(0)); | |
1019 | gen_op_movl_rN_T1(REG(B11_8)); | |
1020 | gen_op_stl_T0_T1(ctx); | |
1021 | return; | |
1022 | case 0x0029: /* movt Rn */ | |
1023 | gen_op_movt_rN(REG(B11_8)); | |
1024 | return; | |
1025 | case 0x0093: /* ocbi @Rn */ | |
1026 | gen_op_movl_rN_T0(REG(B11_8)); | |
1027 | gen_op_ldl_T0_T0(ctx); | |
1028 | return; | |
24988dc2 | 1029 | case 0x00a3: /* ocbp @Rn */ |
fdf9b3e8 FB |
1030 | gen_op_movl_rN_T0(REG(B11_8)); |
1031 | gen_op_ldl_T0_T0(ctx); | |
1032 | return; | |
1033 | case 0x00b3: /* ocbwb @Rn */ | |
1034 | gen_op_movl_rN_T0(REG(B11_8)); | |
1035 | gen_op_ldl_T0_T0(ctx); | |
1036 | return; | |
1037 | case 0x0083: /* pref @Rn */ | |
1038 | return; | |
1039 | case 0x4024: /* rotcl Rn */ | |
1040 | gen_op_rotcl_Rn(REG(B11_8)); | |
1041 | return; | |
1042 | case 0x4025: /* rotcr Rn */ | |
1043 | gen_op_rotcr_Rn(REG(B11_8)); | |
1044 | return; | |
1045 | case 0x4004: /* rotl Rn */ | |
1046 | gen_op_rotl_Rn(REG(B11_8)); | |
1047 | return; | |
1048 | case 0x4005: /* rotr Rn */ | |
1049 | gen_op_rotr_Rn(REG(B11_8)); | |
1050 | return; | |
1051 | case 0x4000: /* shll Rn */ | |
1052 | case 0x4020: /* shal Rn */ | |
1053 | gen_op_shal_Rn(REG(B11_8)); | |
1054 | return; | |
1055 | case 0x4021: /* shar Rn */ | |
1056 | gen_op_shar_Rn(REG(B11_8)); | |
1057 | return; | |
1058 | case 0x4001: /* shlr Rn */ | |
1059 | gen_op_shlr_Rn(REG(B11_8)); | |
1060 | return; | |
1061 | case 0x4008: /* shll2 Rn */ | |
1062 | gen_op_shll2_Rn(REG(B11_8)); | |
1063 | return; | |
1064 | case 0x4018: /* shll8 Rn */ | |
1065 | gen_op_shll8_Rn(REG(B11_8)); | |
1066 | return; | |
1067 | case 0x4028: /* shll16 Rn */ | |
1068 | gen_op_shll16_Rn(REG(B11_8)); | |
1069 | return; | |
1070 | case 0x4009: /* shlr2 Rn */ | |
1071 | gen_op_shlr2_Rn(REG(B11_8)); | |
1072 | return; | |
1073 | case 0x4019: /* shlr8 Rn */ | |
1074 | gen_op_shlr8_Rn(REG(B11_8)); | |
1075 | return; | |
1076 | case 0x4029: /* shlr16 Rn */ | |
1077 | gen_op_shlr16_Rn(REG(B11_8)); | |
1078 | return; | |
1079 | case 0x401b: /* tas.b @Rn */ | |
1080 | gen_op_tasb_rN(REG(B11_8)); | |
1081 | return; | |
e67888a7 | 1082 | case 0xf00d: /* fsts FPUL,FRn - FPSCR: Nothing */ |
eda9b09b FB |
1083 | gen_op_movl_fpul_FT0(); |
1084 | gen_op_fmov_FT0_frN(FREG(B11_8)); | |
1085 | return; | |
e67888a7 | 1086 | case 0xf01d: /* flds FRm,FPUL - FPSCR: Nothing */ |
eda9b09b FB |
1087 | gen_op_fmov_frN_FT0(FREG(B11_8)); |
1088 | gen_op_movl_FT0_fpul(); | |
1089 | return; | |
e67888a7 | 1090 | case 0xf02d: /* float FPUL,FRn/DRn - FPSCR: R[PR,Enable.I]/W[Cause,Flag] */ |
ea6cf6be TS |
1091 | if (ctx->fpscr & FPSCR_PR) { |
1092 | if (ctx->opcode & 0x0100) | |
1093 | break; /* illegal instruction */ | |
1094 | gen_op_float_DT(); | |
1095 | gen_op_fmov_DT0_drN(DREG(B11_8)); | |
1096 | } | |
1097 | else { | |
1098 | gen_op_float_FT(); | |
1099 | gen_op_fmov_FT0_frN(FREG(B11_8)); | |
1100 | } | |
1101 | return; | |
e67888a7 | 1102 | case 0xf03d: /* ftrc FRm/DRm,FPUL - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */ |
ea6cf6be TS |
1103 | if (ctx->fpscr & FPSCR_PR) { |
1104 | if (ctx->opcode & 0x0100) | |
1105 | break; /* illegal instruction */ | |
1106 | gen_op_fmov_drN_DT0(DREG(B11_8)); | |
1107 | gen_op_ftrc_DT(); | |
1108 | } | |
1109 | else { | |
1110 | gen_op_fmov_frN_FT0(FREG(B11_8)); | |
1111 | gen_op_ftrc_FT(); | |
1112 | } | |
1113 | return; | |
24988dc2 AJ |
1114 | case 0xf04d: /* fneg FRn/DRn - FPSCR: Nothing */ |
1115 | gen_op_fneg_frN(FREG(B11_8)); | |
1116 | return; | |
1117 | case 0xf05d: /* fabs FRn/DRn */ | |
1118 | if (ctx->fpscr & FPSCR_PR) { | |
1119 | if (ctx->opcode & 0x0100) | |
1120 | break; /* illegal instruction */ | |
1121 | gen_op_fmov_drN_DT0(DREG(B11_8)); | |
1122 | gen_op_fabs_DT(); | |
1123 | gen_op_fmov_DT0_drN(DREG(B11_8)); | |
1124 | } else { | |
1125 | gen_op_fmov_frN_FT0(FREG(B11_8)); | |
1126 | gen_op_fabs_FT(); | |
1127 | gen_op_fmov_FT0_frN(FREG(B11_8)); | |
1128 | } | |
1129 | return; | |
1130 | case 0xf06d: /* fsqrt FRn */ | |
1131 | if (ctx->fpscr & FPSCR_PR) { | |
1132 | if (ctx->opcode & 0x0100) | |
1133 | break; /* illegal instruction */ | |
1134 | gen_op_fmov_drN_DT0(FREG(B11_8)); | |
1135 | gen_op_fsqrt_DT(); | |
1136 | gen_op_fmov_DT0_drN(FREG(B11_8)); | |
1137 | } else { | |
1138 | gen_op_fmov_frN_FT0(FREG(B11_8)); | |
1139 | gen_op_fsqrt_FT(); | |
1140 | gen_op_fmov_FT0_frN(FREG(B11_8)); | |
1141 | } | |
1142 | return; | |
1143 | case 0xf07d: /* fsrra FRn */ | |
1144 | break; | |
e67888a7 | 1145 | case 0xf08d: /* fldi0 FRn - FPSCR: R[PR] */ |
ea6cf6be TS |
1146 | if (!(ctx->fpscr & FPSCR_PR)) { |
1147 | gen_op_movl_imm_T0(0); | |
1148 | gen_op_fmov_T0_frN(FREG(B11_8)); | |
1149 | return; | |
1150 | } | |
1151 | break; | |
e67888a7 | 1152 | case 0xf09d: /* fldi1 FRn - FPSCR: R[PR] */ |
ea6cf6be TS |
1153 | if (!(ctx->fpscr & FPSCR_PR)) { |
1154 | gen_op_movl_imm_T0(0x3f800000); | |
1155 | gen_op_fmov_T0_frN(FREG(B11_8)); | |
1156 | return; | |
1157 | } | |
1158 | break; | |
24988dc2 AJ |
1159 | case 0xf0ad: /* fcnvsd FPUL,DRn */ |
1160 | gen_op_movl_fpul_FT0(); | |
1161 | gen_op_fcnvsd_FT_DT(); | |
1162 | gen_op_fmov_DT0_drN(DREG(B11_8)); | |
1163 | return; | |
1164 | case 0xf0bd: /* fcnvds DRn,FPUL */ | |
1165 | gen_op_fmov_drN_DT0(DREG(B11_8)); | |
1166 | gen_op_fcnvds_DT_FT(); | |
1167 | gen_op_movl_FT0_fpul(); | |
1168 | return; | |
fdf9b3e8 FB |
1169 | } |
1170 | ||
1171 | fprintf(stderr, "unknown instruction 0x%04x at pc 0x%08x\n", | |
1172 | ctx->opcode, ctx->pc); | |
1173 | gen_op_raise_illegal_instruction(); | |
823029f9 TS |
1174 | ctx->bstate = BS_EXCP; |
1175 | } | |
1176 | ||
1177 | void decode_opc(DisasContext * ctx) | |
1178 | { | |
1179 | uint32_t old_flags = ctx->flags; | |
1180 | ||
1181 | _decode_opc(ctx); | |
1182 | ||
1183 | if (old_flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) { | |
1184 | if (ctx->flags & DELAY_SLOT_CLEARME) { | |
1185 | gen_op_store_flags(0); | |
1186 | } | |
1187 | ctx->flags = 0; | |
1188 | ctx->bstate = BS_BRANCH; | |
1189 | if (old_flags & DELAY_SLOT_CONDITIONAL) { | |
1190 | gen_delayed_conditional_jump(ctx); | |
1191 | } else if (old_flags & DELAY_SLOT) { | |
1192 | gen_jump(ctx); | |
1193 | } | |
1194 | ||
1195 | } | |
fdf9b3e8 FB |
1196 | } |
1197 | ||
820e00f2 TS |
1198 | static inline int |
1199 | gen_intermediate_code_internal(CPUState * env, TranslationBlock * tb, | |
1200 | int search_pc) | |
fdf9b3e8 FB |
1201 | { |
1202 | DisasContext ctx; | |
1203 | target_ulong pc_start; | |
1204 | static uint16_t *gen_opc_end; | |
355fb23d | 1205 | int i, ii; |
2e70f6ef PB |
1206 | int num_insns; |
1207 | int max_insns; | |
fdf9b3e8 FB |
1208 | |
1209 | pc_start = tb->pc; | |
fdf9b3e8 | 1210 | gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
fdf9b3e8 | 1211 | ctx.pc = pc_start; |
823029f9 TS |
1212 | ctx.flags = (uint32_t)tb->flags; |
1213 | ctx.bstate = BS_NONE; | |
fdf9b3e8 | 1214 | ctx.sr = env->sr; |
eda9b09b | 1215 | ctx.fpscr = env->fpscr; |
fdf9b3e8 | 1216 | ctx.memidx = (env->sr & SR_MD) ? 1 : 0; |
9854bc46 PB |
1217 | /* We don't know if the delayed pc came from a dynamic or static branch, |
1218 | so assume it is a dynamic branch. */ | |
823029f9 | 1219 | ctx.delayed_pc = -1; /* use delayed pc from env pointer */ |
fdf9b3e8 FB |
1220 | ctx.tb = tb; |
1221 | ctx.singlestep_enabled = env->singlestep_enabled; | |
fdf9b3e8 FB |
1222 | |
1223 | #ifdef DEBUG_DISAS | |
1224 | if (loglevel & CPU_LOG_TB_CPU) { | |
1225 | fprintf(logfile, | |
1226 | "------------------------------------------------\n"); | |
1227 | cpu_dump_state(env, logfile, fprintf, 0); | |
1228 | } | |
1229 | #endif | |
1230 | ||
355fb23d | 1231 | ii = -1; |
2e70f6ef PB |
1232 | num_insns = 0; |
1233 | max_insns = tb->cflags & CF_COUNT_MASK; | |
1234 | if (max_insns == 0) | |
1235 | max_insns = CF_COUNT_MASK; | |
1236 | gen_icount_start(); | |
823029f9 | 1237 | while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) { |
fdf9b3e8 FB |
1238 | if (env->nb_breakpoints > 0) { |
1239 | for (i = 0; i < env->nb_breakpoints; i++) { | |
1240 | if (ctx.pc == env->breakpoints[i]) { | |
1241 | /* We have hit a breakpoint - make sure PC is up-to-date */ | |
1242 | gen_op_movl_imm_PC(ctx.pc); | |
1243 | gen_op_debug(); | |
823029f9 | 1244 | ctx.bstate = BS_EXCP; |
fdf9b3e8 FB |
1245 | break; |
1246 | } | |
1247 | } | |
1248 | } | |
355fb23d PB |
1249 | if (search_pc) { |
1250 | i = gen_opc_ptr - gen_opc_buf; | |
1251 | if (ii < i) { | |
1252 | ii++; | |
1253 | while (ii < i) | |
1254 | gen_opc_instr_start[ii++] = 0; | |
1255 | } | |
1256 | gen_opc_pc[ii] = ctx.pc; | |
823029f9 | 1257 | gen_opc_hflags[ii] = ctx.flags; |
355fb23d | 1258 | gen_opc_instr_start[ii] = 1; |
2e70f6ef | 1259 | gen_opc_icount[ii] = num_insns; |
355fb23d | 1260 | } |
2e70f6ef PB |
1261 | if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) |
1262 | gen_io_start(); | |
fdf9b3e8 FB |
1263 | #if 0 |
1264 | fprintf(stderr, "Loading opcode at address 0x%08x\n", ctx.pc); | |
1265 | fflush(stderr); | |
1266 | #endif | |
1267 | ctx.opcode = lduw_code(ctx.pc); | |
1268 | decode_opc(&ctx); | |
2e70f6ef | 1269 | num_insns++; |
fdf9b3e8 FB |
1270 | ctx.pc += 2; |
1271 | if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) | |
1272 | break; | |
1273 | if (env->singlestep_enabled) | |
1274 | break; | |
2e70f6ef PB |
1275 | if (num_insns >= max_insns) |
1276 | break; | |
fdf9b3e8 FB |
1277 | #ifdef SH4_SINGLE_STEP |
1278 | break; | |
1279 | #endif | |
1280 | } | |
2e70f6ef PB |
1281 | if (tb->cflags & CF_LAST_IO) |
1282 | gen_io_end(); | |
fdf9b3e8 | 1283 | if (env->singlestep_enabled) { |
823029f9 TS |
1284 | gen_op_debug(); |
1285 | } else { | |
1286 | switch (ctx.bstate) { | |
1287 | case BS_STOP: | |
1288 | /* gen_op_interrupt_restart(); */ | |
1289 | /* fall through */ | |
1290 | case BS_NONE: | |
1291 | if (ctx.flags) { | |
1292 | gen_op_store_flags(ctx.flags | DELAY_SLOT_CLEARME); | |
1293 | } | |
1294 | gen_goto_tb(&ctx, 0, ctx.pc); | |
1295 | break; | |
1296 | case BS_EXCP: | |
1297 | /* gen_op_interrupt_restart(); */ | |
57fec1fe | 1298 | tcg_gen_exit_tb(0); |
823029f9 TS |
1299 | break; |
1300 | case BS_BRANCH: | |
1301 | default: | |
1302 | break; | |
1303 | } | |
fdf9b3e8 | 1304 | } |
823029f9 | 1305 | |
2e70f6ef | 1306 | gen_icount_end(tb, num_insns); |
fdf9b3e8 | 1307 | *gen_opc_ptr = INDEX_op_end; |
355fb23d PB |
1308 | if (search_pc) { |
1309 | i = gen_opc_ptr - gen_opc_buf; | |
1310 | ii++; | |
1311 | while (ii <= i) | |
1312 | gen_opc_instr_start[ii++] = 0; | |
355fb23d PB |
1313 | } else { |
1314 | tb->size = ctx.pc - pc_start; | |
2e70f6ef | 1315 | tb->icount = num_insns; |
355fb23d | 1316 | } |
fdf9b3e8 FB |
1317 | |
1318 | #ifdef DEBUG_DISAS | |
1319 | #ifdef SH4_DEBUG_DISAS | |
1320 | if (loglevel & CPU_LOG_TB_IN_ASM) | |
1321 | fprintf(logfile, "\n"); | |
1322 | #endif | |
1323 | if (loglevel & CPU_LOG_TB_IN_ASM) { | |
1324 | fprintf(logfile, "IN:\n"); /* , lookup_symbol(pc_start)); */ | |
1325 | target_disas(logfile, pc_start, ctx.pc - pc_start, 0); | |
1326 | fprintf(logfile, "\n"); | |
1327 | } | |
fdf9b3e8 FB |
1328 | #endif |
1329 | return 0; | |
1330 | } | |
1331 | ||
1332 | int gen_intermediate_code(CPUState * env, struct TranslationBlock *tb) | |
1333 | { | |
1334 | return gen_intermediate_code_internal(env, tb, 0); | |
1335 | } | |
1336 | ||
1337 | int gen_intermediate_code_pc(CPUState * env, struct TranslationBlock *tb) | |
1338 | { | |
fdf9b3e8 FB |
1339 | return gen_intermediate_code_internal(env, tb, 1); |
1340 | } | |
d2856f1a AJ |
1341 | |
1342 | void gen_pc_load(CPUState *env, TranslationBlock *tb, | |
1343 | unsigned long searched_pc, int pc_pos, void *puc) | |
1344 | { | |
1345 | env->pc = gen_opc_pc[pc_pos]; | |
1346 | env->flags = gen_opc_hflags[pc_pos]; | |
1347 | } |