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ivshmem: Fix potential OOB r/w access
[qemu.git] / target-tricore / translate.c
blobd5a95969bb1f037f90a132a7435701f5d145dd23
1 /*
2 * TriCore emulation for qemu: main translation routines.
3 *
4 * Copyright (c) 2013-2014 Bastian Koppelmann C-Lab/University Paderborn
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, see <http://www.gnu.org/licenses/>.
18 */
19
20
21 #include "cpu.h"
22 #include "disas/disas.h"
23 #include "tcg-op.h"
24 #include "exec/cpu_ldst.h"
25
26 #include "exec/helper-proto.h"
27 #include "exec/helper-gen.h"
28
29 #include "tricore-opcodes.h"
30
31 /*
32 * TCG registers
33 */
34 static TCGv cpu_PC;
35 static TCGv cpu_PCXI;
36 static TCGv cpu_PSW;
37 static TCGv cpu_ICR;
38 /* GPR registers */
39 static TCGv cpu_gpr_a[16];
40 static TCGv cpu_gpr_d[16];
41 /* PSW Flag cache */
42 static TCGv cpu_PSW_C;
43 static TCGv cpu_PSW_V;
44 static TCGv cpu_PSW_SV;
45 static TCGv cpu_PSW_AV;
46 static TCGv cpu_PSW_SAV;
47 /* CPU env */
48 static TCGv_ptr cpu_env;
49
50 #include "exec/gen-icount.h"
51
52 static const char *regnames_a[] = {
53 "a0" , "a1" , "a2" , "a3" , "a4" , "a5" ,
54 "a6" , "a7" , "a8" , "a9" , "sp" , "a11" ,
55 "a12" , "a13" , "a14" , "a15",
56 };
57
58 static const char *regnames_d[] = {
59 "d0" , "d1" , "d2" , "d3" , "d4" , "d5" ,
60 "d6" , "d7" , "d8" , "d9" , "d10" , "d11" ,
61 "d12" , "d13" , "d14" , "d15",
62 };
63
64 typedef struct DisasContext {
65 struct TranslationBlock *tb;
66 target_ulong pc, saved_pc, next_pc;
67 uint32_t opcode;
68 int singlestep_enabled;
69 /* Routine used to access memory */
70 int mem_idx;
71 uint32_t hflags, saved_hflags;
72 int bstate;
73 } DisasContext;
74
75 enum {
76
77 BS_NONE = 0,
78 BS_STOP = 1,
79 BS_BRANCH = 2,
80 BS_EXCP = 3,
81 };
82
83 void tricore_cpu_dump_state(CPUState *cs, FILE *f,
84 fprintf_function cpu_fprintf, int flags)
85 {
86 TriCoreCPU *cpu = TRICORE_CPU(cs);
87 CPUTriCoreState *env = &cpu->env;
88 int i;
89
90 cpu_fprintf(f, "PC=%08x\n", env->PC);
91 for (i = 0; i < 16; ++i) {
92 if ((i & 3) == 0) {
93 cpu_fprintf(f, "GPR A%02d:", i);
94 }
95 cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames_a[i], env->gpr_a[i]);
96 }
97 for (i = 0; i < 16; ++i) {
98 if ((i & 3) == 0) {
99 cpu_fprintf(f, "GPR D%02d:", i);
100 }
101 cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames_d[i], env->gpr_d[i]);
102 }
103
104 }
105
106 /*
107 * Functions to generate micro-ops
108 */
109
110 /* Makros for generating helpers */
111
112 #define gen_helper_1arg(name, arg) do { \
113 TCGv_i32 helper_tmp = tcg_const_i32(arg); \
114 gen_helper_##name(cpu_env, helper_tmp); \
115 tcg_temp_free_i32(helper_tmp); \
116 } while (0)
117
118 #define EA_ABS_FORMAT(con) (((con & 0x3C000) << 14) + (con & 0x3FFF))
119 #define EA_B_ABSOLUT(con) (((offset & 0xf00000) << 8) | \
120 ((offset & 0x0fffff) << 1))
121
122 /* Functions for load/save to/from memory */
123
124 static inline void gen_offset_ld(DisasContext *ctx, TCGv r1, TCGv r2,
125 int16_t con, TCGMemOp mop)
126 {
127 TCGv temp = tcg_temp_new();
128 tcg_gen_addi_tl(temp, r2, con);
129 tcg_gen_qemu_ld_tl(r1, temp, ctx->mem_idx, mop);
130 tcg_temp_free(temp);
131 }
132
133 static inline void gen_offset_st(DisasContext *ctx, TCGv r1, TCGv r2,
134 int16_t con, TCGMemOp mop)
135 {
136 TCGv temp = tcg_temp_new();
137 tcg_gen_addi_tl(temp, r2, con);
138 tcg_gen_qemu_st_tl(r1, temp, ctx->mem_idx, mop);
139 tcg_temp_free(temp);
140 }
141
142 static void gen_st_2regs_64(TCGv rh, TCGv rl, TCGv address, DisasContext *ctx)
143 {
144 TCGv_i64 temp = tcg_temp_new_i64();
145
146 tcg_gen_concat_i32_i64(temp, rl, rh);
147 tcg_gen_qemu_st_i64(temp, address, ctx->mem_idx, MO_LEQ);
148
149 tcg_temp_free_i64(temp);
150 }
151
152 static void gen_offset_st_2regs(TCGv rh, TCGv rl, TCGv base, int16_t con,
153 DisasContext *ctx)
154 {
155 TCGv temp = tcg_temp_new();
156 tcg_gen_addi_tl(temp, base, con);
157 gen_st_2regs_64(rh, rl, temp, ctx);
158 tcg_temp_free(temp);
159 }
160
161 static void gen_ld_2regs_64(TCGv rh, TCGv rl, TCGv address, DisasContext *ctx)
162 {
163 TCGv_i64 temp = tcg_temp_new_i64();
164
165 tcg_gen_qemu_ld_i64(temp, address, ctx->mem_idx, MO_LEQ);
166 /* write back to two 32 bit regs */
167 tcg_gen_extr_i64_i32(rl, rh, temp);
168
169 tcg_temp_free_i64(temp);
170 }
171
172 static void gen_offset_ld_2regs(TCGv rh, TCGv rl, TCGv base, int16_t con,
173 DisasContext *ctx)
174 {
175 TCGv temp = tcg_temp_new();
176 tcg_gen_addi_tl(temp, base, con);
177 gen_ld_2regs_64(rh, rl, temp, ctx);
178 tcg_temp_free(temp);
179 }
180
181 static void gen_st_preincr(DisasContext *ctx, TCGv r1, TCGv r2, int16_t off,
182 TCGMemOp mop)
183 {
184 TCGv temp = tcg_temp_new();
185 tcg_gen_addi_tl(temp, r2, off);
186 tcg_gen_qemu_st_tl(r1, temp, ctx->mem_idx, mop);
187 tcg_gen_mov_tl(r2, temp);
188 tcg_temp_free(temp);
189 }
190
191 static void gen_ld_preincr(DisasContext *ctx, TCGv r1, TCGv r2, int16_t off,
192 TCGMemOp mop)
193 {
194 TCGv temp = tcg_temp_new();
195 tcg_gen_addi_tl(temp, r2, off);
196 tcg_gen_qemu_ld_tl(r1, temp, ctx->mem_idx, mop);
197 tcg_gen_mov_tl(r2, temp);
198 tcg_temp_free(temp);
199 }
200
201 /* M(EA, word) = (M(EA, word) & ~E[a][63:32]) | (E[a][31:0] & E[a][63:32]); */
202 static void gen_ldmst(DisasContext *ctx, int ereg, TCGv ea)
203 {
204 TCGv temp = tcg_temp_new();
205 TCGv temp2 = tcg_temp_new();
206
207 /* temp = (M(EA, word) */
208 tcg_gen_qemu_ld_tl(temp, ea, ctx->mem_idx, MO_LEUL);
209 /* temp = temp & ~E[a][63:32]) */
210 tcg_gen_andc_tl(temp, temp, cpu_gpr_d[ereg+1]);
211 /* temp2 = (E[a][31:0] & E[a][63:32]); */
212 tcg_gen_and_tl(temp2, cpu_gpr_d[ereg], cpu_gpr_d[ereg+1]);
213 /* temp = temp | temp2; */
214 tcg_gen_or_tl(temp, temp, temp2);
215 /* M(EA, word) = temp; */
216 tcg_gen_qemu_st_tl(temp, ea, ctx->mem_idx, MO_LEUL);
217
218 tcg_temp_free(temp);
219 tcg_temp_free(temp2);
220 }
221
222 /* tmp = M(EA, word);
223 M(EA, word) = D[a];
224 D[a] = tmp[31:0];*/
225 static void gen_swap(DisasContext *ctx, int reg, TCGv ea)
226 {
227 TCGv temp = tcg_temp_new();
228
229 tcg_gen_qemu_ld_tl(temp, ea, ctx->mem_idx, MO_LEUL);
230 tcg_gen_qemu_st_tl(cpu_gpr_d[reg], ea, ctx->mem_idx, MO_LEUL);
231 tcg_gen_mov_tl(cpu_gpr_d[reg], temp);
232
233 tcg_temp_free(temp);
234 }
235
236 /* Functions for arithmetic instructions */
237
238 static inline void gen_add_d(TCGv ret, TCGv r1, TCGv r2)
239 {
240 TCGv t0 = tcg_temp_new_i32();
241 TCGv result = tcg_temp_new_i32();
242 /* Addition and set V/SV bits */
243 tcg_gen_add_tl(result, r1, r2);
244 /* calc V bit */
245 tcg_gen_xor_tl(cpu_PSW_V, result, r1);
246 tcg_gen_xor_tl(t0, r1, r2);
247 tcg_gen_andc_tl(cpu_PSW_V, cpu_PSW_V, t0);
248 /* Calc SV bit */
249 tcg_gen_or_tl(cpu_PSW_SV, cpu_PSW_SV, cpu_PSW_V);
250 /* Calc AV/SAV bits */
251 tcg_gen_add_tl(cpu_PSW_AV, result, result);
252 tcg_gen_xor_tl(cpu_PSW_AV, result, cpu_PSW_AV);
253 /* calc SAV */
254 tcg_gen_or_tl(cpu_PSW_SAV, cpu_PSW_SAV, cpu_PSW_AV);
255 /* write back result */
256 tcg_gen_mov_tl(ret, result);
257
258 tcg_temp_free(result);
259 tcg_temp_free(t0);
260 }
261
262 static inline void gen_addi_d(TCGv ret, TCGv r1, target_ulong r2)
263 {
264 TCGv temp = tcg_const_i32(r2);
265 gen_add_d(ret, r1, temp);
266 tcg_temp_free(temp);
267 }
268
269 static inline void gen_cond_add(TCGCond cond, TCGv r1, TCGv r2, TCGv r3,
270 TCGv r4)
271 {
272 TCGv temp = tcg_temp_new();
273 TCGv temp2 = tcg_temp_new();
274 TCGv result = tcg_temp_new();
275 TCGv mask = tcg_temp_new();
276 TCGv t0 = tcg_const_i32(0);
277
278 /* create mask for sticky bits */
279 tcg_gen_setcond_tl(cond, mask, r4, t0);
280 tcg_gen_shli_tl(mask, mask, 31);
281
282 tcg_gen_add_tl(result, r1, r2);
283 /* Calc PSW_V */
284 tcg_gen_xor_tl(temp, result, r1);
285 tcg_gen_xor_tl(temp2, r1, r2);
286 tcg_gen_andc_tl(temp, temp, temp2);
287 tcg_gen_movcond_tl(cond, cpu_PSW_V, r4, t0, temp, cpu_PSW_V);
288 /* Set PSW_SV */
289 tcg_gen_and_tl(temp, temp, mask);
290 tcg_gen_or_tl(cpu_PSW_SV, temp, cpu_PSW_SV);
291 /* calc AV bit */
292 tcg_gen_add_tl(temp, result, result);
293 tcg_gen_xor_tl(temp, temp, result);
294 tcg_gen_movcond_tl(cond, cpu_PSW_AV, r4, t0, temp, cpu_PSW_AV);
295 /* calc SAV bit */
296 tcg_gen_and_tl(temp, temp, mask);
297 tcg_gen_or_tl(cpu_PSW_SAV, temp, cpu_PSW_SAV);
298 /* write back result */
299 tcg_gen_movcond_tl(cond, r3, r4, t0, result, r3);
300
301 tcg_temp_free(t0);
302 tcg_temp_free(temp);
303 tcg_temp_free(temp2);
304 tcg_temp_free(result);
305 tcg_temp_free(mask);
306 }
307
308 static inline void gen_condi_add(TCGCond cond, TCGv r1, int32_t r2,
309 TCGv r3, TCGv r4)
310 {
311 TCGv temp = tcg_const_i32(r2);
312 gen_cond_add(cond, r1, temp, r3, r4);
313 tcg_temp_free(temp);
314 }
315
316 static inline void gen_sub_d(TCGv ret, TCGv r1, TCGv r2)
317 {
318 TCGv temp = tcg_temp_new_i32();
319 TCGv result = tcg_temp_new_i32();
320
321 tcg_gen_sub_tl(result, r1, r2);
322 /* calc V bit */
323 tcg_gen_xor_tl(cpu_PSW_V, result, r1);
324 tcg_gen_xor_tl(temp, r1, r2);
325 tcg_gen_and_tl(cpu_PSW_V, cpu_PSW_V, temp);
326 /* calc SV bit */
327 tcg_gen_or_tl(cpu_PSW_SV, cpu_PSW_SV, cpu_PSW_V);
328 /* Calc AV bit */
329 tcg_gen_add_tl(cpu_PSW_AV, result, result);
330 tcg_gen_xor_tl(cpu_PSW_AV, result, cpu_PSW_AV);
331 /* calc SAV bit */
332 tcg_gen_or_tl(cpu_PSW_SAV, cpu_PSW_SAV, cpu_PSW_AV);
333 /* write back result */
334 tcg_gen_mov_tl(ret, result);
335
336 tcg_temp_free(temp);
337 tcg_temp_free(result);
338 }
339
340 static inline void gen_mul_i32s(TCGv ret, TCGv r1, TCGv r2)
341 {
342 TCGv high = tcg_temp_new();
343 TCGv low = tcg_temp_new();
344
345 tcg_gen_muls2_tl(low, high, r1, r2);
346 tcg_gen_mov_tl(ret, low);
347 /* calc V bit */
348 tcg_gen_sari_tl(low, low, 31);
349 tcg_gen_setcond_tl(TCG_COND_NE, cpu_PSW_V, high, low);
350 tcg_gen_shli_tl(cpu_PSW_V, cpu_PSW_V, 31);
351 /* calc SV bit */
352 tcg_gen_or_tl(cpu_PSW_SV, cpu_PSW_SV, cpu_PSW_V);
353 /* Calc AV bit */
354 tcg_gen_add_tl(cpu_PSW_AV, ret, ret);
355 tcg_gen_xor_tl(cpu_PSW_AV, ret, cpu_PSW_AV);
356 /* calc SAV bit */
357 tcg_gen_or_tl(cpu_PSW_SAV, cpu_PSW_SAV, cpu_PSW_AV);
358
359 tcg_temp_free(high);
360 tcg_temp_free(low);
361 }
362
363 static void gen_saturate(TCGv ret, TCGv arg, int32_t up, int32_t low)
364 {
365 TCGv sat_neg = tcg_const_i32(low);
366 TCGv temp = tcg_const_i32(up);
367
368 /* sat_neg = (arg < low ) ? low : arg; */
369 tcg_gen_movcond_tl(TCG_COND_LT, sat_neg, arg, sat_neg, sat_neg, arg);
370
371 /* ret = (sat_neg > up ) ? up : sat_neg; */
372 tcg_gen_movcond_tl(TCG_COND_GT, ret, sat_neg, temp, temp, sat_neg);
373
374 tcg_temp_free(sat_neg);
375 tcg_temp_free(temp);
376 }
377
378 static void gen_saturate_u(TCGv ret, TCGv arg, int32_t up)
379 {
380 TCGv temp = tcg_const_i32(up);
381 /* sat_neg = (arg > up ) ? up : arg; */
382 tcg_gen_movcond_tl(TCG_COND_GTU, ret, arg, temp, temp, arg);
383 tcg_temp_free(temp);
384 }
385
386 static void gen_shi(TCGv ret, TCGv r1, int32_t shift_count)
387 {
388 if (shift_count == -32) {
389 tcg_gen_movi_tl(ret, 0);
390 } else if (shift_count >= 0) {
391 tcg_gen_shli_tl(ret, r1, shift_count);
392 } else {
393 tcg_gen_shri_tl(ret, r1, -shift_count);
394 }
395 }
396
397 static void gen_shaci(TCGv ret, TCGv r1, int32_t shift_count)
398 {
399 uint32_t msk, msk_start;
400 TCGv temp = tcg_temp_new();
401 TCGv temp2 = tcg_temp_new();
402 TCGv t_0 = tcg_const_i32(0);
403
404 if (shift_count == 0) {
405 /* Clear PSW.C and PSW.V */
406 tcg_gen_movi_tl(cpu_PSW_C, 0);
407 tcg_gen_mov_tl(cpu_PSW_V, cpu_PSW_C);
408 tcg_gen_mov_tl(ret, r1);
409 } else if (shift_count == -32) {
410 /* set PSW.C */
411 tcg_gen_mov_tl(cpu_PSW_C, r1);
412 /* fill ret completly with sign bit */
413 tcg_gen_sari_tl(ret, r1, 31);
414 /* clear PSW.V */
415 tcg_gen_movi_tl(cpu_PSW_V, 0);
416 } else if (shift_count > 0) {
417 TCGv t_max = tcg_const_i32(0x7FFFFFFF >> shift_count);
418 TCGv t_min = tcg_const_i32(((int32_t) -0x80000000) >> shift_count);
419
420 /* calc carry */
421 msk_start = 32 - shift_count;
422 msk = ((1 << shift_count) - 1) << msk_start;
423 tcg_gen_andi_tl(cpu_PSW_C, r1, msk);
424 /* calc v/sv bits */
425 tcg_gen_setcond_tl(TCG_COND_GT, temp, r1, t_max);
426 tcg_gen_setcond_tl(TCG_COND_LT, temp2, r1, t_min);
427 tcg_gen_or_tl(cpu_PSW_V, temp, temp2);
428 tcg_gen_shli_tl(cpu_PSW_V, cpu_PSW_V, 31);
429 /* calc sv */
430 tcg_gen_or_tl(cpu_PSW_SV, cpu_PSW_V, cpu_PSW_SV);
431 /* do shift */
432 tcg_gen_shli_tl(ret, r1, shift_count);
433
434 tcg_temp_free(t_max);
435 tcg_temp_free(t_min);
436 } else {
437 /* clear PSW.V */
438 tcg_gen_movi_tl(cpu_PSW_V, 0);
439 /* calc carry */
440 msk = (1 << -shift_count) - 1;
441 tcg_gen_andi_tl(cpu_PSW_C, r1, msk);
442 /* do shift */
443 tcg_gen_sari_tl(ret, r1, -shift_count);
444 }
445 /* calc av overflow bit */
446 tcg_gen_add_tl(cpu_PSW_AV, ret, ret);
447 tcg_gen_xor_tl(cpu_PSW_AV, ret, cpu_PSW_AV);
448 /* calc sav overflow bit */
449 tcg_gen_or_tl(cpu_PSW_SAV, cpu_PSW_SAV, cpu_PSW_AV);
450
451 tcg_temp_free(temp);
452 tcg_temp_free(temp2);
453 tcg_temp_free(t_0);
454 }
455
456 static inline void gen_adds(TCGv ret, TCGv r1, TCGv r2)
457 {
458 gen_helper_add_ssov(ret, cpu_env, r1, r2);
459 }
460
461 static inline void gen_subs(TCGv ret, TCGv r1, TCGv r2)
462 {
463 gen_helper_sub_ssov(ret, cpu_env, r1, r2);
464 }
465
466 static inline void gen_bit_2op(TCGv ret, TCGv r1, TCGv r2,
467 int pos1, int pos2,
468 void(*op1)(TCGv, TCGv, TCGv),
469 void(*op2)(TCGv, TCGv, TCGv))
470 {
471 TCGv temp1, temp2;
472
473 temp1 = tcg_temp_new();
474 temp2 = tcg_temp_new();
475
476 tcg_gen_shri_tl(temp2, r2, pos2);
477 tcg_gen_shri_tl(temp1, r1, pos1);
478
479 (*op1)(temp1, temp1, temp2);
480 (*op2)(temp1 , ret, temp1);
481
482 tcg_gen_deposit_tl(ret, ret, temp1, 0, 1);
483
484 tcg_temp_free(temp1);
485 tcg_temp_free(temp2);
486 }
487
488 /* ret = r1[pos1] op1 r2[pos2]; */
489 static inline void gen_bit_1op(TCGv ret, TCGv r1, TCGv r2,
490 int pos1, int pos2,
491 void(*op1)(TCGv, TCGv, TCGv))
492 {
493 TCGv temp1, temp2;
494
495 temp1 = tcg_temp_new();
496 temp2 = tcg_temp_new();
497
498 tcg_gen_shri_tl(temp2, r2, pos2);
499 tcg_gen_shri_tl(temp1, r1, pos1);
500
501 (*op1)(ret, temp1, temp2);
502
503 tcg_gen_andi_tl(ret, ret, 0x1);
504
505 tcg_temp_free(temp1);
506 tcg_temp_free(temp2);
507 }
508
509 /* helpers for generating program flow micro-ops */
510
511 static inline void gen_save_pc(target_ulong pc)
512 {
513 tcg_gen_movi_tl(cpu_PC, pc);
514 }
515
516 static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
517 {
518 TranslationBlock *tb;
519 tb = ctx->tb;
520 if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) &&
521 likely(!ctx->singlestep_enabled)) {
522 tcg_gen_goto_tb(n);
523 gen_save_pc(dest);
524 tcg_gen_exit_tb((uintptr_t)tb + n);
525 } else {
526 gen_save_pc(dest);
527 if (ctx->singlestep_enabled) {
528 /* raise exception debug */
529 }
530 tcg_gen_exit_tb(0);
531 }
532 }
533
534 static inline void gen_branch_cond(DisasContext *ctx, TCGCond cond, TCGv r1,
535 TCGv r2, int16_t address)
536 {
537 int jumpLabel;
538 jumpLabel = gen_new_label();
539 tcg_gen_brcond_tl(cond, r1, r2, jumpLabel);
540
541 gen_goto_tb(ctx, 1, ctx->next_pc);
542
543 gen_set_label(jumpLabel);
544 gen_goto_tb(ctx, 0, ctx->pc + address * 2);
545 }
546
547 static inline void gen_branch_condi(DisasContext *ctx, TCGCond cond, TCGv r1,
548 int r2, int16_t address)
549 {
550 TCGv temp = tcg_const_i32(r2);
551 gen_branch_cond(ctx, cond, r1, temp, address);
552 tcg_temp_free(temp);
553 }
554
555 static void gen_loop(DisasContext *ctx, int r1, int32_t offset)
556 {
557 int l1;
558 l1 = gen_new_label();
559
560 tcg_gen_subi_tl(cpu_gpr_a[r1], cpu_gpr_a[r1], 1);
561 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr_a[r1], -1, l1);
562 gen_goto_tb(ctx, 1, ctx->pc + offset);
563 gen_set_label(l1);
564 gen_goto_tb(ctx, 0, ctx->next_pc);
565 }
566
567 static void gen_compute_branch(DisasContext *ctx, uint32_t opc, int r1,
568 int r2 , int32_t constant , int32_t offset)
569 {
570 TCGv temp;
571
572 switch (opc) {
573 /* SB-format jumps */
574 case OPC1_16_SB_J:
575 case OPC1_32_B_J:
576 gen_goto_tb(ctx, 0, ctx->pc + offset * 2);
577 break;
578 case OPC1_32_B_CALL:
579 case OPC1_16_SB_CALL:
580 gen_helper_1arg(call, ctx->next_pc);
581 gen_goto_tb(ctx, 0, ctx->pc + offset * 2);
582 break;
583 case OPC1_16_SB_JZ:
584 gen_branch_condi(ctx, TCG_COND_EQ, cpu_gpr_d[15], 0, offset);
585 break;
586 case OPC1_16_SB_JNZ:
587 gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_d[15], 0, offset);
588 break;
589 /* SBC-format jumps */
590 case OPC1_16_SBC_JEQ:
591 gen_branch_condi(ctx, TCG_COND_EQ, cpu_gpr_d[15], constant, offset);
592 break;
593 case OPC1_16_SBC_JNE:
594 gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_d[15], constant, offset);
595 break;
596 /* SBRN-format jumps */
597 case OPC1_16_SBRN_JZ_T:
598 temp = tcg_temp_new();
599 tcg_gen_andi_tl(temp, cpu_gpr_d[15], 0x1u << constant);
600 gen_branch_condi(ctx, TCG_COND_EQ, temp, 0, offset);
601 tcg_temp_free(temp);
602 break;
603 case OPC1_16_SBRN_JNZ_T:
604 temp = tcg_temp_new();
605 tcg_gen_andi_tl(temp, cpu_gpr_d[15], 0x1u << constant);
606 gen_branch_condi(ctx, TCG_COND_NE, temp, 0, offset);
607 tcg_temp_free(temp);
608 break;
609 /* SBR-format jumps */
610 case OPC1_16_SBR_JEQ:
611 gen_branch_cond(ctx, TCG_COND_EQ, cpu_gpr_d[r1], cpu_gpr_d[15],
612 offset);
613 break;
614 case OPC1_16_SBR_JNE:
615 gen_branch_cond(ctx, TCG_COND_NE, cpu_gpr_d[r1], cpu_gpr_d[15],
616 offset);
617 break;
618 case OPC1_16_SBR_JNZ:
619 gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_d[r1], 0, offset);
620 break;
621 case OPC1_16_SBR_JNZ_A:
622 gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_a[r1], 0, offset);
623 break;
624 case OPC1_16_SBR_JGEZ:
625 gen_branch_condi(ctx, TCG_COND_GE, cpu_gpr_d[r1], 0, offset);
626 break;
627 case OPC1_16_SBR_JGTZ:
628 gen_branch_condi(ctx, TCG_COND_GT, cpu_gpr_d[r1], 0, offset);
629 break;
630 case OPC1_16_SBR_JLEZ:
631 gen_branch_condi(ctx, TCG_COND_LE, cpu_gpr_d[r1], 0, offset);
632 break;
633 case OPC1_16_SBR_JLTZ:
634 gen_branch_condi(ctx, TCG_COND_LT, cpu_gpr_d[r1], 0, offset);
635 break;
636 case OPC1_16_SBR_JZ:
637 gen_branch_condi(ctx, TCG_COND_EQ, cpu_gpr_d[r1], 0, offset);
638 break;
639 case OPC1_16_SBR_JZ_A:
640 gen_branch_condi(ctx, TCG_COND_EQ, cpu_gpr_a[r1], 0, offset);
641 break;
642 case OPC1_16_SBR_LOOP:
643 gen_loop(ctx, r1, offset * 2 - 32);
644 break;
645 /* SR-format jumps */
646 case OPC1_16_SR_JI:
647 tcg_gen_andi_tl(cpu_PC, cpu_gpr_a[r1], 0xfffffffe);
648 tcg_gen_exit_tb(0);
649 break;
650 case OPC2_16_SR_RET:
651 gen_helper_ret(cpu_env);
652 tcg_gen_exit_tb(0);
653 break;
654 /* B-format */
655 case OPC1_32_B_CALLA:
656 gen_helper_1arg(call, ctx->next_pc);
657 gen_goto_tb(ctx, 0, EA_B_ABSOLUT(offset));
658 break;
659 case OPC1_32_B_JLA:
660 tcg_gen_movi_tl(cpu_gpr_a[11], ctx->next_pc);
661 case OPC1_32_B_JA:
662 gen_goto_tb(ctx, 0, EA_B_ABSOLUT(offset));
663 break;
664 case OPC1_32_B_JL:
665 tcg_gen_movi_tl(cpu_gpr_a[11], ctx->next_pc);
666 gen_goto_tb(ctx, 0, ctx->pc + offset * 2);
667 break;
668 default:
669 printf("Branch Error at %x\n", ctx->pc);
670 }
671 ctx->bstate = BS_BRANCH;
672 }
673
674
675 /*
676 * Functions for decoding instructions
677 */
678
679 static void decode_src_opc(DisasContext *ctx, int op1)
680 {
681 int r1;
682 int32_t const4;
683 TCGv temp, temp2;
684
685 r1 = MASK_OP_SRC_S1D(ctx->opcode);
686 const4 = MASK_OP_SRC_CONST4_SEXT(ctx->opcode);
687
688 switch (op1) {
689 case OPC1_16_SRC_ADD:
690 gen_addi_d(cpu_gpr_d[r1], cpu_gpr_d[r1], const4);
691 break;
692 case OPC1_16_SRC_ADD_A15:
693 gen_addi_d(cpu_gpr_d[r1], cpu_gpr_d[15], const4);
694 break;
695 case OPC1_16_SRC_ADD_15A:
696 gen_addi_d(cpu_gpr_d[15], cpu_gpr_d[r1], const4);
697 break;
698 case OPC1_16_SRC_ADD_A:
699 tcg_gen_addi_tl(cpu_gpr_a[r1], cpu_gpr_a[r1], const4);
700 break;
701 case OPC1_16_SRC_CADD:
702 gen_condi_add(TCG_COND_NE, cpu_gpr_d[r1], const4, cpu_gpr_d[r1],
703 cpu_gpr_d[15]);
704 break;
705 case OPC1_16_SRC_CADDN:
706 gen_condi_add(TCG_COND_EQ, cpu_gpr_d[r1], const4, cpu_gpr_d[r1],
707 cpu_gpr_d[15]);
708 break;
709 case OPC1_16_SRC_CMOV:
710 temp = tcg_const_tl(0);
711 temp2 = tcg_const_tl(const4);
712 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr_d[r1], cpu_gpr_d[15], temp,
713 temp2, cpu_gpr_d[r1]);
714 tcg_temp_free(temp);
715 tcg_temp_free(temp2);
716 break;
717 case OPC1_16_SRC_CMOVN:
718 temp = tcg_const_tl(0);
719 temp2 = tcg_const_tl(const4);
720 tcg_gen_movcond_tl(TCG_COND_EQ, cpu_gpr_d[r1], cpu_gpr_d[15], temp,
721 temp2, cpu_gpr_d[r1]);
722 tcg_temp_free(temp);
723 tcg_temp_free(temp2);
724 break;
725 case OPC1_16_SRC_EQ:
726 tcg_gen_setcondi_tl(TCG_COND_EQ, cpu_gpr_d[15], cpu_gpr_d[r1],
727 const4);
728 break;
729 case OPC1_16_SRC_LT:
730 tcg_gen_setcondi_tl(TCG_COND_LT, cpu_gpr_d[15], cpu_gpr_d[r1],
731 const4);
732 break;
733 case OPC1_16_SRC_MOV:
734 tcg_gen_movi_tl(cpu_gpr_d[r1], const4);
735 break;
736 case OPC1_16_SRC_MOV_A:
737 const4 = MASK_OP_SRC_CONST4(ctx->opcode);
738 tcg_gen_movi_tl(cpu_gpr_a[r1], const4);
739 break;
740 case OPC1_16_SRC_SH:
741 gen_shi(cpu_gpr_d[r1], cpu_gpr_d[r1], const4);
742 break;
743 case OPC1_16_SRC_SHA:
744 gen_shaci(cpu_gpr_d[r1], cpu_gpr_d[r1], const4);
745 break;
746 }
747 }
748
749 static void decode_srr_opc(DisasContext *ctx, int op1)
750 {
751 int r1, r2;
752 TCGv temp;
753
754 r1 = MASK_OP_SRR_S1D(ctx->opcode);
755 r2 = MASK_OP_SRR_S2(ctx->opcode);
756
757 switch (op1) {
758 case OPC1_16_SRR_ADD:
759 gen_add_d(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]);
760 break;
761 case OPC1_16_SRR_ADD_A15:
762 gen_add_d(cpu_gpr_d[r1], cpu_gpr_d[15], cpu_gpr_d[r2]);
763 break;
764 case OPC1_16_SRR_ADD_15A:
765 gen_add_d(cpu_gpr_d[15], cpu_gpr_d[r1], cpu_gpr_d[r2]);
766 break;
767 case OPC1_16_SRR_ADD_A:
768 tcg_gen_add_tl(cpu_gpr_a[r1], cpu_gpr_a[r1], cpu_gpr_a[r2]);
769 break;
770 case OPC1_16_SRR_ADDS:
771 gen_adds(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]);
772 break;
773 case OPC1_16_SRR_AND:
774 tcg_gen_and_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]);
775 break;
776 case OPC1_16_SRR_CMOV:
777 temp = tcg_const_tl(0);
778 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr_d[r1], cpu_gpr_d[15], temp,
779 cpu_gpr_d[r2], cpu_gpr_d[r1]);
780 tcg_temp_free(temp);
781 break;
782 case OPC1_16_SRR_CMOVN:
783 temp = tcg_const_tl(0);
784 tcg_gen_movcond_tl(TCG_COND_EQ, cpu_gpr_d[r1], cpu_gpr_d[15], temp,
785 cpu_gpr_d[r2], cpu_gpr_d[r1]);
786 tcg_temp_free(temp);
787 break;
788 case OPC1_16_SRR_EQ:
789 tcg_gen_setcond_tl(TCG_COND_EQ, cpu_gpr_d[15], cpu_gpr_d[r1],
790 cpu_gpr_d[r2]);
791 break;
792 case OPC1_16_SRR_LT:
793 tcg_gen_setcond_tl(TCG_COND_LT, cpu_gpr_d[15], cpu_gpr_d[r1],
794 cpu_gpr_d[r2]);
795 break;
796 case OPC1_16_SRR_MOV:
797 tcg_gen_mov_tl(cpu_gpr_d[r1], cpu_gpr_d[r2]);
798 break;
799 case OPC1_16_SRR_MOV_A:
800 tcg_gen_mov_tl(cpu_gpr_a[r1], cpu_gpr_d[r2]);
801 break;
802 case OPC1_16_SRR_MOV_AA:
803 tcg_gen_mov_tl(cpu_gpr_a[r1], cpu_gpr_a[r2]);
804 break;
805 case OPC1_16_SRR_MOV_D:
806 tcg_gen_mov_tl(cpu_gpr_d[r1], cpu_gpr_a[r2]);
807 break;
808 case OPC1_16_SRR_MUL:
809 gen_mul_i32s(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]);
810 break;
811 case OPC1_16_SRR_OR:
812 tcg_gen_or_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]);
813 break;
814 case OPC1_16_SRR_SUB:
815 gen_sub_d(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]);
816 break;
817 case OPC1_16_SRR_SUB_A15B:
818 gen_sub_d(cpu_gpr_d[r1], cpu_gpr_d[15], cpu_gpr_d[r2]);
819 break;
820 case OPC1_16_SRR_SUB_15AB:
821 gen_sub_d(cpu_gpr_d[15], cpu_gpr_d[r1], cpu_gpr_d[r2]);
822 break;
823 case OPC1_16_SRR_SUBS:
824 gen_subs(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]);
825 break;
826 case OPC1_16_SRR_XOR:
827 tcg_gen_xor_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], cpu_gpr_d[r2]);
828 break;
829 }
830 }
831
832 static void decode_ssr_opc(DisasContext *ctx, int op1)
833 {
834 int r1, r2;
835
836 r1 = MASK_OP_SSR_S1(ctx->opcode);
837 r2 = MASK_OP_SSR_S2(ctx->opcode);
838
839 switch (op1) {
840 case OPC1_16_SSR_ST_A:
841 tcg_gen_qemu_st_tl(cpu_gpr_a[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LEUL);
842 break;
843 case OPC1_16_SSR_ST_A_POSTINC:
844 tcg_gen_qemu_st_tl(cpu_gpr_a[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LEUL);
845 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 4);
846 break;
847 case OPC1_16_SSR_ST_B:
848 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_UB);
849 break;
850 case OPC1_16_SSR_ST_B_POSTINC:
851 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_UB);
852 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 1);
853 break;
854 case OPC1_16_SSR_ST_H:
855 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LEUW);
856 break;
857 case OPC1_16_SSR_ST_H_POSTINC:
858 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LEUW);
859 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 2);
860 break;
861 case OPC1_16_SSR_ST_W:
862 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LEUL);
863 break;
864 case OPC1_16_SSR_ST_W_POSTINC:
865 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LEUL);
866 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 4);
867 break;
868 }
869 }
870
871 static void decode_sc_opc(DisasContext *ctx, int op1)
872 {
873 int32_t const16;
874
875 const16 = MASK_OP_SC_CONST8(ctx->opcode);
876
877 switch (op1) {
878 case OPC1_16_SC_AND:
879 tcg_gen_andi_tl(cpu_gpr_d[15], cpu_gpr_d[15], const16);
880 break;
881 case OPC1_16_SC_BISR:
882 gen_helper_1arg(bisr, const16 & 0xff);
883 break;
884 case OPC1_16_SC_LD_A:
885 gen_offset_ld(ctx, cpu_gpr_a[15], cpu_gpr_a[10], const16 * 4, MO_LESL);
886 break;
887 case OPC1_16_SC_LD_W:
888 gen_offset_ld(ctx, cpu_gpr_d[15], cpu_gpr_a[10], const16 * 4, MO_LESL);
889 break;
890 case OPC1_16_SC_MOV:
891 tcg_gen_movi_tl(cpu_gpr_d[15], const16);
892 break;
893 case OPC1_16_SC_OR:
894 tcg_gen_ori_tl(cpu_gpr_d[15], cpu_gpr_d[15], const16);
895 break;
896 case OPC1_16_SC_ST_A:
897 gen_offset_st(ctx, cpu_gpr_a[15], cpu_gpr_a[10], const16 * 4, MO_LESL);
898 break;
899 case OPC1_16_SC_ST_W:
900 gen_offset_st(ctx, cpu_gpr_d[15], cpu_gpr_a[10], const16 * 4, MO_LESL);
901 break;
902 case OPC1_16_SC_SUB_A:
903 tcg_gen_subi_tl(cpu_gpr_a[10], cpu_gpr_a[10], const16);
904 break;
905 }
906 }
907
908 static void decode_slr_opc(DisasContext *ctx, int op1)
909 {
910 int r1, r2;
911
912 r1 = MASK_OP_SLR_D(ctx->opcode);
913 r2 = MASK_OP_SLR_S2(ctx->opcode);
914
915 switch (op1) {
916 /* SLR-format */
917 case OPC1_16_SLR_LD_A:
918 tcg_gen_qemu_ld_tl(cpu_gpr_a[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LESL);
919 break;
920 case OPC1_16_SLR_LD_A_POSTINC:
921 tcg_gen_qemu_ld_tl(cpu_gpr_a[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LESL);
922 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 4);
923 break;
924 case OPC1_16_SLR_LD_BU:
925 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_UB);
926 break;
927 case OPC1_16_SLR_LD_BU_POSTINC:
928 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_UB);
929 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 1);
930 break;
931 case OPC1_16_SLR_LD_H:
932 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LESW);
933 break;
934 case OPC1_16_SLR_LD_H_POSTINC:
935 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LESW);
936 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 2);
937 break;
938 case OPC1_16_SLR_LD_W:
939 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LESW);
940 break;
941 case OPC1_16_SLR_LD_W_POSTINC:
942 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx, MO_LESW);
943 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], 4);
944 break;
945 }
946 }
947
948 static void decode_sro_opc(DisasContext *ctx, int op1)
949 {
950 int r2;
951 int32_t address;
952
953 r2 = MASK_OP_SRO_S2(ctx->opcode);
954 address = MASK_OP_SRO_OFF4(ctx->opcode);
955
956 /* SRO-format */
957 switch (op1) {
958 case OPC1_16_SRO_LD_A:
959 gen_offset_ld(ctx, cpu_gpr_a[15], cpu_gpr_a[r2], address * 4, MO_LESL);
960 break;
961 case OPC1_16_SRO_LD_BU:
962 gen_offset_ld(ctx, cpu_gpr_d[15], cpu_gpr_a[r2], address, MO_UB);
963 break;
964 case OPC1_16_SRO_LD_H:
965 gen_offset_ld(ctx, cpu_gpr_d[15], cpu_gpr_a[r2], address, MO_LESW);
966 break;
967 case OPC1_16_SRO_LD_W:
968 gen_offset_ld(ctx, cpu_gpr_d[15], cpu_gpr_a[r2], address * 4, MO_LESL);
969 break;
970 case OPC1_16_SRO_ST_A:
971 gen_offset_st(ctx, cpu_gpr_a[15], cpu_gpr_a[r2], address * 4, MO_LESL);
972 break;
973 case OPC1_16_SRO_ST_B:
974 gen_offset_st(ctx, cpu_gpr_d[15], cpu_gpr_a[r2], address, MO_UB);
975 break;
976 case OPC1_16_SRO_ST_H:
977 gen_offset_st(ctx, cpu_gpr_d[15], cpu_gpr_a[r2], address * 2, MO_LESW);
978 break;
979 case OPC1_16_SRO_ST_W:
980 gen_offset_st(ctx, cpu_gpr_d[15], cpu_gpr_a[r2], address * 4, MO_LESL);
981 break;
982 }
983 }
984
985 static void decode_sr_system(CPUTriCoreState *env, DisasContext *ctx)
986 {
987 uint32_t op2;
988 op2 = MASK_OP_SR_OP2(ctx->opcode);
989
990 switch (op2) {
991 case OPC2_16_SR_NOP:
992 break;
993 case OPC2_16_SR_RET:
994 gen_compute_branch(ctx, op2, 0, 0, 0, 0);
995 break;
996 case OPC2_16_SR_RFE:
997 gen_helper_rfe(cpu_env);
998 tcg_gen_exit_tb(0);
999 ctx->bstate = BS_BRANCH;
1000 break;
1001 case OPC2_16_SR_DEBUG:
1002 /* raise EXCP_DEBUG */
1003 break;
1004 }
1005 }
1006
1007 static void decode_sr_accu(CPUTriCoreState *env, DisasContext *ctx)
1008 {
1009 uint32_t op2;
1010 uint32_t r1;
1011 TCGv temp;
1012
1013 r1 = MASK_OP_SR_S1D(ctx->opcode);
1014 op2 = MASK_OP_SR_OP2(ctx->opcode);
1015
1016 switch (op2) {
1017 case OPC2_16_SR_RSUB:
1018 /* overflow only if r1 = -0x80000000 */
1019 temp = tcg_const_i32(-0x80000000);
1020 /* calc V bit */
1021 tcg_gen_setcond_tl(TCG_COND_EQ, cpu_PSW_V, cpu_gpr_d[r1], temp);
1022 tcg_gen_shli_tl(cpu_PSW_V, cpu_PSW_V, 31);
1023 /* calc SV bit */
1024 tcg_gen_or_tl(cpu_PSW_SV, cpu_PSW_SV, cpu_PSW_V);
1025 /* sub */
1026 tcg_gen_neg_tl(cpu_gpr_d[r1], cpu_gpr_d[r1]);
1027 /* calc av */
1028 tcg_gen_add_tl(cpu_PSW_AV, cpu_gpr_d[r1], cpu_gpr_d[r1]);
1029 tcg_gen_xor_tl(cpu_PSW_AV, cpu_gpr_d[r1], cpu_PSW_AV);
1030 /* calc sav */
1031 tcg_gen_or_tl(cpu_PSW_SAV, cpu_PSW_SAV, cpu_PSW_AV);
1032 tcg_temp_free(temp);
1033 break;
1034 case OPC2_16_SR_SAT_B:
1035 gen_saturate(cpu_gpr_d[r1], cpu_gpr_d[r1], 0x7f, -0x80);
1036 break;
1037 case OPC2_16_SR_SAT_BU:
1038 gen_saturate_u(cpu_gpr_d[r1], cpu_gpr_d[r1], 0xff);
1039 break;
1040 case OPC2_16_SR_SAT_H:
1041 gen_saturate(cpu_gpr_d[r1], cpu_gpr_d[r1], 0x7fff, -0x8000);
1042 break;
1043 case OPC2_16_SR_SAT_HU:
1044 gen_saturate_u(cpu_gpr_d[r1], cpu_gpr_d[r1], 0xffff);
1045 break;
1046 }
1047 }
1048
1049 static void decode_16Bit_opc(CPUTriCoreState *env, DisasContext *ctx)
1050 {
1051 int op1;
1052 int r1, r2;
1053 int32_t const16;
1054 int32_t address;
1055 TCGv temp;
1056
1057 op1 = MASK_OP_MAJOR(ctx->opcode);
1058
1059 /* handle ADDSC.A opcode only being 6 bit long */
1060 if (unlikely((op1 & 0x3f) == OPC1_16_SRRS_ADDSC_A)) {
1061 op1 = OPC1_16_SRRS_ADDSC_A;
1062 }
1063
1064 switch (op1) {
1065 case OPC1_16_SRC_ADD:
1066 case OPC1_16_SRC_ADD_A15:
1067 case OPC1_16_SRC_ADD_15A:
1068 case OPC1_16_SRC_ADD_A:
1069 case OPC1_16_SRC_CADD:
1070 case OPC1_16_SRC_CADDN:
1071 case OPC1_16_SRC_CMOV:
1072 case OPC1_16_SRC_CMOVN:
1073 case OPC1_16_SRC_EQ:
1074 case OPC1_16_SRC_LT:
1075 case OPC1_16_SRC_MOV:
1076 case OPC1_16_SRC_MOV_A:
1077 case OPC1_16_SRC_SH:
1078 case OPC1_16_SRC_SHA:
1079 decode_src_opc(ctx, op1);
1080 break;
1081 /* SRR-format */
1082 case OPC1_16_SRR_ADD:
1083 case OPC1_16_SRR_ADD_A15:
1084 case OPC1_16_SRR_ADD_15A:
1085 case OPC1_16_SRR_ADD_A:
1086 case OPC1_16_SRR_ADDS:
1087 case OPC1_16_SRR_AND:
1088 case OPC1_16_SRR_CMOV:
1089 case OPC1_16_SRR_CMOVN:
1090 case OPC1_16_SRR_EQ:
1091 case OPC1_16_SRR_LT:
1092 case OPC1_16_SRR_MOV:
1093 case OPC1_16_SRR_MOV_A:
1094 case OPC1_16_SRR_MOV_AA:
1095 case OPC1_16_SRR_MOV_D:
1096 case OPC1_16_SRR_MUL:
1097 case OPC1_16_SRR_OR:
1098 case OPC1_16_SRR_SUB:
1099 case OPC1_16_SRR_SUB_A15B:
1100 case OPC1_16_SRR_SUB_15AB:
1101 case OPC1_16_SRR_SUBS:
1102 case OPC1_16_SRR_XOR:
1103 decode_srr_opc(ctx, op1);
1104 break;
1105 /* SSR-format */
1106 case OPC1_16_SSR_ST_A:
1107 case OPC1_16_SSR_ST_A_POSTINC:
1108 case OPC1_16_SSR_ST_B:
1109 case OPC1_16_SSR_ST_B_POSTINC:
1110 case OPC1_16_SSR_ST_H:
1111 case OPC1_16_SSR_ST_H_POSTINC:
1112 case OPC1_16_SSR_ST_W:
1113 case OPC1_16_SSR_ST_W_POSTINC:
1114 decode_ssr_opc(ctx, op1);
1115 break;
1116 /* SRRS-format */
1117 case OPC1_16_SRRS_ADDSC_A:
1118 r2 = MASK_OP_SRRS_S2(ctx->opcode);
1119 r1 = MASK_OP_SRRS_S1D(ctx->opcode);
1120 const16 = MASK_OP_SRRS_N(ctx->opcode);
1121 temp = tcg_temp_new();
1122 tcg_gen_shli_tl(temp, cpu_gpr_d[15], const16);
1123 tcg_gen_add_tl(cpu_gpr_a[r1], cpu_gpr_a[r2], temp);
1124 tcg_temp_free(temp);
1125 break;
1126 /* SLRO-format */
1127 case OPC1_16_SLRO_LD_A:
1128 r1 = MASK_OP_SLRO_D(ctx->opcode);
1129 const16 = MASK_OP_SLRO_OFF4(ctx->opcode);
1130 gen_offset_ld(ctx, cpu_gpr_a[r1], cpu_gpr_a[15], const16 * 4, MO_LESL);
1131 break;
1132 case OPC1_16_SLRO_LD_BU:
1133 r1 = MASK_OP_SLRO_D(ctx->opcode);
1134 const16 = MASK_OP_SLRO_OFF4(ctx->opcode);
1135 gen_offset_ld(ctx, cpu_gpr_d[r1], cpu_gpr_a[15], const16, MO_UB);
1136 break;
1137 case OPC1_16_SLRO_LD_H:
1138 r1 = MASK_OP_SLRO_D(ctx->opcode);
1139 const16 = MASK_OP_SLRO_OFF4(ctx->opcode);
1140 gen_offset_ld(ctx, cpu_gpr_d[r1], cpu_gpr_a[15], const16 * 2, MO_LESW);
1141 break;
1142 case OPC1_16_SLRO_LD_W:
1143 r1 = MASK_OP_SLRO_D(ctx->opcode);
1144 const16 = MASK_OP_SLRO_OFF4(ctx->opcode);
1145 gen_offset_ld(ctx, cpu_gpr_d[r1], cpu_gpr_a[15], const16 * 4, MO_LESL);
1146 break;
1147 /* SB-format */
1148 case OPC1_16_SB_CALL:
1149 case OPC1_16_SB_J:
1150 case OPC1_16_SB_JNZ:
1151 case OPC1_16_SB_JZ:
1152 address = MASK_OP_SB_DISP8_SEXT(ctx->opcode);
1153 gen_compute_branch(ctx, op1, 0, 0, 0, address);
1154 break;
1155 /* SBC-format */
1156 case OPC1_16_SBC_JEQ:
1157 case OPC1_16_SBC_JNE:
1158 address = MASK_OP_SBC_DISP4(ctx->opcode);
1159 const16 = MASK_OP_SBC_CONST4_SEXT(ctx->opcode);
1160 gen_compute_branch(ctx, op1, 0, 0, const16, address);
1161 break;
1162 /* SBRN-format */
1163 case OPC1_16_SBRN_JNZ_T:
1164 case OPC1_16_SBRN_JZ_T:
1165 address = MASK_OP_SBRN_DISP4(ctx->opcode);
1166 const16 = MASK_OP_SBRN_N(ctx->opcode);
1167 gen_compute_branch(ctx, op1, 0, 0, const16, address);
1168 break;
1169 /* SBR-format */
1170 case OPC1_16_SBR_JEQ:
1171 case OPC1_16_SBR_JGEZ:
1172 case OPC1_16_SBR_JGTZ:
1173 case OPC1_16_SBR_JLEZ:
1174 case OPC1_16_SBR_JLTZ:
1175 case OPC1_16_SBR_JNE:
1176 case OPC1_16_SBR_JNZ:
1177 case OPC1_16_SBR_JNZ_A:
1178 case OPC1_16_SBR_JZ:
1179 case OPC1_16_SBR_JZ_A:
1180 case OPC1_16_SBR_LOOP:
1181 r1 = MASK_OP_SBR_S2(ctx->opcode);
1182 address = MASK_OP_SBR_DISP4(ctx->opcode);
1183 gen_compute_branch(ctx, op1, r1, 0, 0, address);
1184 break;
1185 /* SC-format */
1186 case OPC1_16_SC_AND:
1187 case OPC1_16_SC_BISR:
1188 case OPC1_16_SC_LD_A:
1189 case OPC1_16_SC_LD_W:
1190 case OPC1_16_SC_MOV:
1191 case OPC1_16_SC_OR:
1192 case OPC1_16_SC_ST_A:
1193 case OPC1_16_SC_ST_W:
1194 case OPC1_16_SC_SUB_A:
1195 decode_sc_opc(ctx, op1);
1196 break;
1197 /* SLR-format */
1198 case OPC1_16_SLR_LD_A:
1199 case OPC1_16_SLR_LD_A_POSTINC:
1200 case OPC1_16_SLR_LD_BU:
1201 case OPC1_16_SLR_LD_BU_POSTINC:
1202 case OPC1_16_SLR_LD_H:
1203 case OPC1_16_SLR_LD_H_POSTINC:
1204 case OPC1_16_SLR_LD_W:
1205 case OPC1_16_SLR_LD_W_POSTINC:
1206 decode_slr_opc(ctx, op1);
1207 break;
1208 /* SRO-format */
1209 case OPC1_16_SRO_LD_A:
1210 case OPC1_16_SRO_LD_BU:
1211 case OPC1_16_SRO_LD_H:
1212 case OPC1_16_SRO_LD_W:
1213 case OPC1_16_SRO_ST_A:
1214 case OPC1_16_SRO_ST_B:
1215 case OPC1_16_SRO_ST_H:
1216 case OPC1_16_SRO_ST_W:
1217 decode_sro_opc(ctx, op1);
1218 break;
1219 /* SSRO-format */
1220 case OPC1_16_SSRO_ST_A:
1221 r1 = MASK_OP_SSRO_S1(ctx->opcode);
1222 const16 = MASK_OP_SSRO_OFF4(ctx->opcode);
1223 gen_offset_st(ctx, cpu_gpr_a[r1], cpu_gpr_a[15], const16 * 4, MO_LESL);
1224 break;
1225 case OPC1_16_SSRO_ST_B:
1226 r1 = MASK_OP_SSRO_S1(ctx->opcode);
1227 const16 = MASK_OP_SSRO_OFF4(ctx->opcode);
1228 gen_offset_st(ctx, cpu_gpr_d[r1], cpu_gpr_a[15], const16, MO_UB);
1229 break;
1230 case OPC1_16_SSRO_ST_H:
1231 r1 = MASK_OP_SSRO_S1(ctx->opcode);
1232 const16 = MASK_OP_SSRO_OFF4(ctx->opcode);
1233 gen_offset_st(ctx, cpu_gpr_d[r1], cpu_gpr_a[15], const16 * 2, MO_LESW);
1234 break;
1235 case OPC1_16_SSRO_ST_W:
1236 r1 = MASK_OP_SSRO_S1(ctx->opcode);
1237 const16 = MASK_OP_SSRO_OFF4(ctx->opcode);
1238 gen_offset_st(ctx, cpu_gpr_d[r1], cpu_gpr_a[15], const16 * 4, MO_LESL);
1239 break;
1240 /* SR-format */
1241 case OPCM_16_SR_SYSTEM:
1242 decode_sr_system(env, ctx);
1243 break;
1244 case OPCM_16_SR_ACCU:
1245 decode_sr_accu(env, ctx);
1246 break;
1247 case OPC1_16_SR_JI:
1248 r1 = MASK_OP_SR_S1D(ctx->opcode);
1249 gen_compute_branch(ctx, op1, r1, 0, 0, 0);
1250 break;
1251 case OPC1_16_SR_NOT:
1252 r1 = MASK_OP_SR_S1D(ctx->opcode);
1253 tcg_gen_not_tl(cpu_gpr_d[r1], cpu_gpr_d[r1]);
1254 break;
1255 }
1256 }
1257
1258 /*
1259 * 32 bit instructions
1260 */
1261
1262 /* ABS-format */
1263 static void decode_abs_ldw(CPUTriCoreState *env, DisasContext *ctx)
1264 {
1265 int32_t op2;
1266 int32_t r1;
1267 uint32_t address;
1268 TCGv temp;
1269
1270 r1 = MASK_OP_ABS_S1D(ctx->opcode);
1271 address = MASK_OP_ABS_OFF18(ctx->opcode);
1272 op2 = MASK_OP_ABS_OP2(ctx->opcode);
1273
1274 temp = tcg_const_i32(EA_ABS_FORMAT(address));
1275
1276 switch (op2) {
1277 case OPC2_32_ABS_LD_A:
1278 tcg_gen_qemu_ld_tl(cpu_gpr_a[r1], temp, ctx->mem_idx, MO_LESL);
1279 break;
1280 case OPC2_32_ABS_LD_D:
1281 gen_ld_2regs_64(cpu_gpr_d[r1+1], cpu_gpr_d[r1], temp, ctx);
1282 break;
1283 case OPC2_32_ABS_LD_DA:
1284 gen_ld_2regs_64(cpu_gpr_a[r1+1], cpu_gpr_a[r1], temp, ctx);
1285 break;
1286 case OPC2_32_ABS_LD_W:
1287 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_LESL);
1288 break;
1289 }
1290
1291 tcg_temp_free(temp);
1292 }
1293
1294 static void decode_abs_ldb(CPUTriCoreState *env, DisasContext *ctx)
1295 {
1296 int32_t op2;
1297 int32_t r1;
1298 uint32_t address;
1299 TCGv temp;
1300
1301 r1 = MASK_OP_ABS_S1D(ctx->opcode);
1302 address = MASK_OP_ABS_OFF18(ctx->opcode);
1303 op2 = MASK_OP_ABS_OP2(ctx->opcode);
1304
1305 temp = tcg_const_i32(EA_ABS_FORMAT(address));
1306
1307 switch (op2) {
1308 case OPC2_32_ABS_LD_B:
1309 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_SB);
1310 break;
1311 case OPC2_32_ABS_LD_BU:
1312 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_UB);
1313 break;
1314 case OPC2_32_ABS_LD_H:
1315 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_LESW);
1316 break;
1317 case OPC2_32_ABS_LD_HU:
1318 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_LEUW);
1319 break;
1320 }
1321
1322 tcg_temp_free(temp);
1323 }
1324
1325 static void decode_abs_ldst_swap(CPUTriCoreState *env, DisasContext *ctx)
1326 {
1327 int32_t op2;
1328 int32_t r1;
1329 uint32_t address;
1330 TCGv temp;
1331
1332 r1 = MASK_OP_ABS_S1D(ctx->opcode);
1333 address = MASK_OP_ABS_OFF18(ctx->opcode);
1334 op2 = MASK_OP_ABS_OP2(ctx->opcode);
1335
1336 temp = tcg_const_i32(EA_ABS_FORMAT(address));
1337
1338 switch (op2) {
1339 case OPC2_32_ABS_LDMST:
1340 gen_ldmst(ctx, r1, temp);
1341 break;
1342 case OPC2_32_ABS_SWAP_W:
1343 gen_swap(ctx, r1, temp);
1344 break;
1345 }
1346
1347 tcg_temp_free(temp);
1348 }
1349
1350 static void decode_abs_ldst_context(CPUTriCoreState *env, DisasContext *ctx)
1351 {
1352 uint32_t op2;
1353 int32_t off18;
1354
1355 off18 = MASK_OP_ABS_OFF18(ctx->opcode);
1356 op2 = MASK_OP_ABS_OP2(ctx->opcode);
1357
1358 switch (op2) {
1359 case OPC2_32_ABS_LDLCX:
1360 gen_helper_1arg(ldlcx, EA_ABS_FORMAT(off18));
1361 break;
1362 case OPC2_32_ABS_LDUCX:
1363 gen_helper_1arg(lducx, EA_ABS_FORMAT(off18));
1364 break;
1365 case OPC2_32_ABS_STLCX:
1366 gen_helper_1arg(stlcx, EA_ABS_FORMAT(off18));
1367 break;
1368 case OPC2_32_ABS_STUCX:
1369 gen_helper_1arg(stucx, EA_ABS_FORMAT(off18));
1370 break;
1371 }
1372 }
1373
1374 static void decode_abs_store(CPUTriCoreState *env, DisasContext *ctx)
1375 {
1376 int32_t op2;
1377 int32_t r1;
1378 uint32_t address;
1379 TCGv temp;
1380
1381 r1 = MASK_OP_ABS_S1D(ctx->opcode);
1382 address = MASK_OP_ABS_OFF18(ctx->opcode);
1383 op2 = MASK_OP_ABS_OP2(ctx->opcode);
1384
1385 temp = tcg_const_i32(EA_ABS_FORMAT(address));
1386
1387 switch (op2) {
1388 case OPC2_32_ABS_ST_A:
1389 tcg_gen_qemu_st_tl(cpu_gpr_a[r1], temp, ctx->mem_idx, MO_LESL);
1390 break;
1391 case OPC2_32_ABS_ST_D:
1392 gen_st_2regs_64(cpu_gpr_d[r1+1], cpu_gpr_d[r1], temp, ctx);
1393 break;
1394 case OPC2_32_ABS_ST_DA:
1395 gen_st_2regs_64(cpu_gpr_a[r1+1], cpu_gpr_a[r1], temp, ctx);
1396 break;
1397 case OPC2_32_ABS_ST_W:
1398 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_LESL);
1399 break;
1400
1401 }
1402 tcg_temp_free(temp);
1403 }
1404
1405 static void decode_abs_storeb_h(CPUTriCoreState *env, DisasContext *ctx)
1406 {
1407 int32_t op2;
1408 int32_t r1;
1409 uint32_t address;
1410 TCGv temp;
1411
1412 r1 = MASK_OP_ABS_S1D(ctx->opcode);
1413 address = MASK_OP_ABS_OFF18(ctx->opcode);
1414 op2 = MASK_OP_ABS_OP2(ctx->opcode);
1415
1416 temp = tcg_const_i32(EA_ABS_FORMAT(address));
1417
1418 switch (op2) {
1419 case OPC2_32_ABS_ST_B:
1420 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_UB);
1421 break;
1422 case OPC2_32_ABS_ST_H:
1423 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_LEUW);
1424 break;
1425 }
1426 tcg_temp_free(temp);
1427 }
1428
1429 /* Bit-format */
1430
1431 static void decode_bit_andacc(CPUTriCoreState *env, DisasContext *ctx)
1432 {
1433 uint32_t op2;
1434 int r1, r2, r3;
1435 int pos1, pos2;
1436
1437 r1 = MASK_OP_BIT_S1(ctx->opcode);
1438 r2 = MASK_OP_BIT_S2(ctx->opcode);
1439 r3 = MASK_OP_BIT_D(ctx->opcode);
1440 pos1 = MASK_OP_BIT_POS1(ctx->opcode);
1441 pos2 = MASK_OP_BIT_POS2(ctx->opcode);
1442 op2 = MASK_OP_BIT_OP2(ctx->opcode);
1443
1444
1445 switch (op2) {
1446 case OPC2_32_BIT_AND_AND_T:
1447 gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2],
1448 pos1, pos2, &tcg_gen_and_tl, &tcg_gen_and_tl);
1449 break;
1450 case OPC2_32_BIT_AND_ANDN_T:
1451 gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2],
1452 pos1, pos2, &tcg_gen_andc_tl, &tcg_gen_and_tl);
1453 break;
1454 case OPC2_32_BIT_AND_NOR_T:
1455 if (TCG_TARGET_HAS_andc_i32) {
1456 gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2],
1457 pos1, pos2, &tcg_gen_or_tl, &tcg_gen_andc_tl);
1458 } else {
1459 gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2],
1460 pos1, pos2, &tcg_gen_nor_tl, &tcg_gen_and_tl);
1461 }
1462 break;
1463 case OPC2_32_BIT_AND_OR_T:
1464 gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2],
1465 pos1, pos2, &tcg_gen_or_tl, &tcg_gen_and_tl);
1466 break;
1467 }
1468 }
1469
1470 static void decode_bit_logical_t(CPUTriCoreState *env, DisasContext *ctx)
1471 {
1472 uint32_t op2;
1473 int r1, r2, r3;
1474 int pos1, pos2;
1475 r1 = MASK_OP_BIT_S1(ctx->opcode);
1476 r2 = MASK_OP_BIT_S2(ctx->opcode);
1477 r3 = MASK_OP_BIT_D(ctx->opcode);
1478 pos1 = MASK_OP_BIT_POS1(ctx->opcode);
1479 pos2 = MASK_OP_BIT_POS2(ctx->opcode);
1480 op2 = MASK_OP_BIT_OP2(ctx->opcode);
1481
1482 switch (op2) {
1483 case OPC2_32_BIT_AND_T:
1484 gen_bit_1op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2],
1485 pos1, pos2, &tcg_gen_and_tl);
1486 break;
1487 case OPC2_32_BIT_ANDN_T:
1488 gen_bit_1op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2],
1489 pos1, pos2, &tcg_gen_andc_tl);
1490 break;
1491 case OPC2_32_BIT_NOR_T:
1492 gen_bit_1op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2],
1493 pos1, pos2, &tcg_gen_nor_tl);
1494 break;
1495 case OPC2_32_BIT_OR_T:
1496 gen_bit_1op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2],
1497 pos1, pos2, &tcg_gen_or_tl);
1498 break;
1499 }
1500 }
1501
1502 static void decode_bit_insert(CPUTriCoreState *env, DisasContext *ctx)
1503 {
1504 uint32_t op2;
1505 int r1, r2, r3;
1506 int pos1, pos2;
1507 TCGv temp;
1508 op2 = MASK_OP_BIT_OP2(ctx->opcode);
1509 r1 = MASK_OP_BIT_S1(ctx->opcode);
1510 r2 = MASK_OP_BIT_S2(ctx->opcode);
1511 r3 = MASK_OP_BIT_D(ctx->opcode);
1512 pos1 = MASK_OP_BIT_POS1(ctx->opcode);
1513 pos2 = MASK_OP_BIT_POS2(ctx->opcode);
1514
1515 temp = tcg_temp_new();
1516
1517 tcg_gen_shri_tl(temp, cpu_gpr_d[r2], pos2);
1518 if (op2 == OPC2_32_BIT_INSN_T) {
1519 tcg_gen_not_tl(temp, temp);
1520 }
1521 tcg_gen_deposit_tl(cpu_gpr_d[r3], cpu_gpr_d[r1], temp, pos1, 1);
1522 tcg_temp_free(temp);
1523 }
1524
1525 static void decode_bit_logical_t2(CPUTriCoreState *env, DisasContext *ctx)
1526 {
1527 uint32_t op2;
1528
1529 int r1, r2, r3;
1530 int pos1, pos2;
1531
1532 op2 = MASK_OP_BIT_OP2(ctx->opcode);
1533 r1 = MASK_OP_BIT_S1(ctx->opcode);
1534 r2 = MASK_OP_BIT_S2(ctx->opcode);
1535 r3 = MASK_OP_BIT_D(ctx->opcode);
1536 pos1 = MASK_OP_BIT_POS1(ctx->opcode);
1537 pos2 = MASK_OP_BIT_POS2(ctx->opcode);
1538
1539 switch (op2) {
1540 case OPC2_32_BIT_NAND_T:
1541 gen_bit_1op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2],
1542 pos1, pos2, &tcg_gen_nand_tl);
1543 break;
1544 case OPC2_32_BIT_ORN_T:
1545 gen_bit_1op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2],
1546 pos1, pos2, &tcg_gen_orc_tl);
1547 break;
1548 case OPC2_32_BIT_XNOR_T:
1549 gen_bit_1op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2],
1550 pos1, pos2, &tcg_gen_eqv_tl);
1551 break;
1552 case OPC2_32_BIT_XOR_T:
1553 gen_bit_1op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2],
1554 pos1, pos2, &tcg_gen_xor_tl);
1555 break;
1556 }
1557 }
1558
1559 static void decode_bit_orand(CPUTriCoreState *env, DisasContext *ctx)
1560 {
1561 uint32_t op2;
1562
1563 int r1, r2, r3;
1564 int pos1, pos2;
1565
1566 op2 = MASK_OP_BIT_OP2(ctx->opcode);
1567 r1 = MASK_OP_BIT_S1(ctx->opcode);
1568 r2 = MASK_OP_BIT_S2(ctx->opcode);
1569 r3 = MASK_OP_BIT_D(ctx->opcode);
1570 pos1 = MASK_OP_BIT_POS1(ctx->opcode);
1571 pos2 = MASK_OP_BIT_POS2(ctx->opcode);
1572
1573 switch (op2) {
1574 case OPC2_32_BIT_OR_AND_T:
1575 gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2],
1576 pos1, pos2, &tcg_gen_and_tl, &tcg_gen_or_tl);
1577 break;
1578 case OPC2_32_BIT_OR_ANDN_T:
1579 gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2],
1580 pos1, pos2, &tcg_gen_andc_tl, &tcg_gen_or_tl);
1581 break;
1582 case OPC2_32_BIT_OR_NOR_T:
1583 if (TCG_TARGET_HAS_orc_i32) {
1584 gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2],
1585 pos1, pos2, &tcg_gen_or_tl, &tcg_gen_orc_tl);
1586 } else {
1587 gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2],
1588 pos1, pos2, &tcg_gen_nor_tl, &tcg_gen_or_tl);
1589 }
1590 break;
1591 case OPC2_32_BIT_OR_OR_T:
1592 gen_bit_2op(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2],
1593 pos1, pos2, &tcg_gen_or_tl, &tcg_gen_or_tl);
1594 break;
1595 }
1596 }
1597
1598 static void decode_bit_sh_logic1(CPUTriCoreState *env, DisasContext *ctx)
1599 {
1600 uint32_t op2;
1601 int r1, r2, r3;
1602 int pos1, pos2;
1603 TCGv temp;
1604
1605 op2 = MASK_OP_BIT_OP2(ctx->opcode);
1606 r1 = MASK_OP_BIT_S1(ctx->opcode);
1607 r2 = MASK_OP_BIT_S2(ctx->opcode);
1608 r3 = MASK_OP_BIT_D(ctx->opcode);
1609 pos1 = MASK_OP_BIT_POS1(ctx->opcode);
1610 pos2 = MASK_OP_BIT_POS2(ctx->opcode);
1611
1612 temp = tcg_temp_new();
1613
1614 switch (op2) {
1615 case OPC2_32_BIT_SH_AND_T:
1616 gen_bit_1op(temp, cpu_gpr_d[r1], cpu_gpr_d[r2],
1617 pos1, pos2, &tcg_gen_and_tl);
1618 break;
1619 case OPC2_32_BIT_SH_ANDN_T:
1620 gen_bit_1op(temp, cpu_gpr_d[r1], cpu_gpr_d[r2],
1621 pos1, pos2, &tcg_gen_andc_tl);
1622 break;
1623 case OPC2_32_BIT_SH_NOR_T:
1624 gen_bit_1op(temp, cpu_gpr_d[r1], cpu_gpr_d[r2],
1625 pos1, pos2, &tcg_gen_nor_tl);
1626 break;
1627 case OPC2_32_BIT_SH_OR_T:
1628 gen_bit_1op(temp, cpu_gpr_d[r1], cpu_gpr_d[r2],
1629 pos1, pos2, &tcg_gen_or_tl);
1630 break;
1631 }
1632 tcg_gen_shli_tl(cpu_gpr_d[r3], cpu_gpr_d[r3], 1);
1633 tcg_gen_add_tl(cpu_gpr_d[r3], cpu_gpr_d[r3], temp);
1634 tcg_temp_free(temp);
1635 }
1636
1637 static void decode_bit_sh_logic2(CPUTriCoreState *env, DisasContext *ctx)
1638 {
1639 uint32_t op2;
1640 int r1, r2, r3;
1641 int pos1, pos2;
1642 TCGv temp;
1643
1644 op2 = MASK_OP_BIT_OP2(ctx->opcode);
1645 r1 = MASK_OP_BIT_S1(ctx->opcode);
1646 r2 = MASK_OP_BIT_S2(ctx->opcode);
1647 r3 = MASK_OP_BIT_D(ctx->opcode);
1648 pos1 = MASK_OP_BIT_POS1(ctx->opcode);
1649 pos2 = MASK_OP_BIT_POS2(ctx->opcode);
1650
1651 temp = tcg_temp_new();
1652
1653 switch (op2) {
1654 case OPC2_32_BIT_SH_NAND_T:
1655 gen_bit_1op(temp, cpu_gpr_d[r1] , cpu_gpr_d[r2] ,
1656 pos1, pos2, &tcg_gen_nand_tl);
1657 break;
1658 case OPC2_32_BIT_SH_ORN_T:
1659 gen_bit_1op(temp, cpu_gpr_d[r1], cpu_gpr_d[r2],
1660 pos1, pos2, &tcg_gen_orc_tl);
1661 break;
1662 case OPC2_32_BIT_SH_XNOR_T:
1663 gen_bit_1op(temp, cpu_gpr_d[r1], cpu_gpr_d[r2],
1664 pos1, pos2, &tcg_gen_eqv_tl);
1665 break;
1666 case OPC2_32_BIT_SH_XOR_T:
1667 gen_bit_1op(temp, cpu_gpr_d[r1], cpu_gpr_d[r2],
1668 pos1, pos2, &tcg_gen_xor_tl);
1669 break;
1670 }
1671 tcg_gen_shli_tl(cpu_gpr_d[r3], cpu_gpr_d[r3], 1);
1672 tcg_gen_add_tl(cpu_gpr_d[r3], cpu_gpr_d[r3], temp);
1673 tcg_temp_free(temp);
1674 }
1675
1676 /* BO-format */
1677
1678
1679 static void decode_bo_addrmode_post_pre_base(CPUTriCoreState *env,
1680 DisasContext *ctx)
1681 {
1682 uint32_t op2;
1683 uint32_t off10;
1684 int32_t r1, r2;
1685 TCGv temp;
1686
1687 r1 = MASK_OP_BO_S1D(ctx->opcode);
1688 r2 = MASK_OP_BO_S2(ctx->opcode);
1689 off10 = MASK_OP_BO_OFF10_SEXT(ctx->opcode);
1690 op2 = MASK_OP_BO_OP2(ctx->opcode);
1691
1692 switch (op2) {
1693 case OPC2_32_BO_CACHEA_WI_SHORTOFF:
1694 case OPC2_32_BO_CACHEA_W_SHORTOFF:
1695 case OPC2_32_BO_CACHEA_I_SHORTOFF:
1696 /* instruction to access the cache */
1697 break;
1698 case OPC2_32_BO_CACHEA_WI_POSTINC:
1699 case OPC2_32_BO_CACHEA_W_POSTINC:
1700 case OPC2_32_BO_CACHEA_I_POSTINC:
1701 /* instruction to access the cache, but we still need to handle
1702 the addressing mode */
1703 tcg_gen_addi_tl(cpu_gpr_d[r2], cpu_gpr_d[r2], off10);
1704 break;
1705 case OPC2_32_BO_CACHEA_WI_PREINC:
1706 case OPC2_32_BO_CACHEA_W_PREINC:
1707 case OPC2_32_BO_CACHEA_I_PREINC:
1708 /* instruction to access the cache, but we still need to handle
1709 the addressing mode */
1710 tcg_gen_addi_tl(cpu_gpr_d[r2], cpu_gpr_d[r2], off10);
1711 break;
1712 case OPC2_32_BO_CACHEI_WI_SHORTOFF:
1713 case OPC2_32_BO_CACHEI_W_SHORTOFF:
1714 /* TODO: Raise illegal opcode trap,
1715 if tricore_feature(TRICORE_FEATURE_13) */
1716 break;
1717 case OPC2_32_BO_CACHEI_W_POSTINC:
1718 case OPC2_32_BO_CACHEI_WI_POSTINC:
1719 if (!tricore_feature(env, TRICORE_FEATURE_13)) {
1720 tcg_gen_addi_tl(cpu_gpr_d[r2], cpu_gpr_d[r2], off10);
1721 } /* TODO: else raise illegal opcode trap */
1722 break;
1723 case OPC2_32_BO_CACHEI_W_PREINC:
1724 case OPC2_32_BO_CACHEI_WI_PREINC:
1725 if (!tricore_feature(env, TRICORE_FEATURE_13)) {
1726 tcg_gen_addi_tl(cpu_gpr_d[r2], cpu_gpr_d[r2], off10);
1727 } /* TODO: else raise illegal opcode trap */
1728 break;
1729 case OPC2_32_BO_ST_A_SHORTOFF:
1730 gen_offset_st(ctx, cpu_gpr_a[r1], cpu_gpr_a[r2], off10, MO_LESL);
1731 break;
1732 case OPC2_32_BO_ST_A_POSTINC:
1733 tcg_gen_qemu_st_tl(cpu_gpr_a[r1], cpu_gpr_a[r2], ctx->mem_idx,
1734 MO_LESL);
1735 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
1736 break;
1737 case OPC2_32_BO_ST_A_PREINC:
1738 gen_st_preincr(ctx, cpu_gpr_a[r1], cpu_gpr_a[r2], off10, MO_LESL);
1739 break;
1740 case OPC2_32_BO_ST_B_SHORTOFF:
1741 gen_offset_st(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_UB);
1742 break;
1743 case OPC2_32_BO_ST_B_POSTINC:
1744 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx,
1745 MO_UB);
1746 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
1747 break;
1748 case OPC2_32_BO_ST_B_PREINC:
1749 gen_st_preincr(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_UB);
1750 break;
1751 case OPC2_32_BO_ST_D_SHORTOFF:
1752 gen_offset_st_2regs(cpu_gpr_d[r1+1], cpu_gpr_d[r1], cpu_gpr_a[r2],
1753 off10, ctx);
1754 break;
1755 case OPC2_32_BO_ST_D_POSTINC:
1756 gen_st_2regs_64(cpu_gpr_d[r1+1], cpu_gpr_d[r1], cpu_gpr_a[r2], ctx);
1757 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
1758 break;
1759 case OPC2_32_BO_ST_D_PREINC:
1760 temp = tcg_temp_new();
1761 tcg_gen_addi_tl(temp, cpu_gpr_a[r2], off10);
1762 gen_st_2regs_64(cpu_gpr_d[r1+1], cpu_gpr_d[r1], temp, ctx);
1763 tcg_gen_mov_tl(cpu_gpr_a[r2], temp);
1764 tcg_temp_free(temp);
1765 break;
1766 case OPC2_32_BO_ST_DA_SHORTOFF:
1767 gen_offset_st_2regs(cpu_gpr_a[r1+1], cpu_gpr_a[r1], cpu_gpr_a[r2],
1768 off10, ctx);
1769 break;
1770 case OPC2_32_BO_ST_DA_POSTINC:
1771 gen_st_2regs_64(cpu_gpr_a[r1+1], cpu_gpr_a[r1], cpu_gpr_a[r2], ctx);
1772 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
1773 break;
1774 case OPC2_32_BO_ST_DA_PREINC:
1775 temp = tcg_temp_new();
1776 tcg_gen_addi_tl(temp, cpu_gpr_a[r2], off10);
1777 gen_st_2regs_64(cpu_gpr_a[r1+1], cpu_gpr_a[r1], temp, ctx);
1778 tcg_gen_mov_tl(cpu_gpr_a[r2], temp);
1779 tcg_temp_free(temp);
1780 break;
1781 case OPC2_32_BO_ST_H_SHORTOFF:
1782 gen_offset_st(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_LEUW);
1783 break;
1784 case OPC2_32_BO_ST_H_POSTINC:
1785 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx,
1786 MO_LEUW);
1787 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
1788 break;
1789 case OPC2_32_BO_ST_H_PREINC:
1790 gen_st_preincr(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_LEUW);
1791 break;
1792 case OPC2_32_BO_ST_Q_SHORTOFF:
1793 temp = tcg_temp_new();
1794 tcg_gen_shri_tl(temp, cpu_gpr_d[r1], 16);
1795 gen_offset_st(ctx, temp, cpu_gpr_a[r2], off10, MO_LEUW);
1796 tcg_temp_free(temp);
1797 break;
1798 case OPC2_32_BO_ST_Q_POSTINC:
1799 temp = tcg_temp_new();
1800 tcg_gen_shri_tl(temp, cpu_gpr_d[r1], 16);
1801 tcg_gen_qemu_st_tl(temp, cpu_gpr_a[r2], ctx->mem_idx,
1802 MO_LEUW);
1803 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
1804 tcg_temp_free(temp);
1805 break;
1806 case OPC2_32_BO_ST_Q_PREINC:
1807 temp = tcg_temp_new();
1808 tcg_gen_shri_tl(temp, cpu_gpr_d[r1], 16);
1809 gen_st_preincr(ctx, temp, cpu_gpr_a[r2], off10, MO_LEUW);
1810 tcg_temp_free(temp);
1811 break;
1812 case OPC2_32_BO_ST_W_SHORTOFF:
1813 gen_offset_st(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_LEUL);
1814 break;
1815 case OPC2_32_BO_ST_W_POSTINC:
1816 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx,
1817 MO_LEUL);
1818 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
1819 break;
1820 case OPC2_32_BO_ST_W_PREINC:
1821 gen_st_preincr(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_LEUL);
1822 break;
1823 }
1824 }
1825
1826 static void decode_bo_addrmode_bitreverse_circular(CPUTriCoreState *env,
1827 DisasContext *ctx)
1828 {
1829 uint32_t op2;
1830 uint32_t off10;
1831 int32_t r1, r2;
1832 TCGv temp, temp2, temp3;
1833
1834 r1 = MASK_OP_BO_S1D(ctx->opcode);
1835 r2 = MASK_OP_BO_S2(ctx->opcode);
1836 off10 = MASK_OP_BO_OFF10_SEXT(ctx->opcode);
1837 op2 = MASK_OP_BO_OP2(ctx->opcode);
1838
1839 temp = tcg_temp_new();
1840 temp2 = tcg_temp_new();
1841 temp3 = tcg_const_i32(off10);
1842
1843 tcg_gen_ext16u_tl(temp, cpu_gpr_a[r2+1]);
1844 tcg_gen_add_tl(temp2, cpu_gpr_a[r2], temp);
1845
1846 switch (op2) {
1847 case OPC2_32_BO_CACHEA_WI_BR:
1848 case OPC2_32_BO_CACHEA_W_BR:
1849 case OPC2_32_BO_CACHEA_I_BR:
1850 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
1851 break;
1852 case OPC2_32_BO_CACHEA_WI_CIRC:
1853 case OPC2_32_BO_CACHEA_W_CIRC:
1854 case OPC2_32_BO_CACHEA_I_CIRC:
1855 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
1856 break;
1857 case OPC2_32_BO_ST_A_BR:
1858 tcg_gen_qemu_st_tl(cpu_gpr_a[r1], temp2, ctx->mem_idx, MO_LEUL);
1859 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
1860 break;
1861 case OPC2_32_BO_ST_A_CIRC:
1862 tcg_gen_qemu_st_tl(cpu_gpr_a[r1], temp2, ctx->mem_idx, MO_LEUL);
1863 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
1864 break;
1865 case OPC2_32_BO_ST_B_BR:
1866 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_UB);
1867 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
1868 break;
1869 case OPC2_32_BO_ST_B_CIRC:
1870 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_UB);
1871 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
1872 break;
1873 case OPC2_32_BO_ST_D_BR:
1874 gen_st_2regs_64(cpu_gpr_d[r1+1], cpu_gpr_d[r1], temp2, ctx);
1875 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
1876 break;
1877 case OPC2_32_BO_ST_D_CIRC:
1878 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_LEUL);
1879 tcg_gen_shri_tl(temp2, cpu_gpr_a[r2+1], 16);
1880 tcg_gen_addi_tl(temp, temp, 4);
1881 tcg_gen_rem_tl(temp, temp, temp2);
1882 tcg_gen_add_tl(temp2, cpu_gpr_a[r2], temp);
1883 tcg_gen_qemu_st_tl(cpu_gpr_d[r1+1], temp2, ctx->mem_idx, MO_LEUL);
1884 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
1885 break;
1886 case OPC2_32_BO_ST_DA_BR:
1887 gen_st_2regs_64(cpu_gpr_a[r1+1], cpu_gpr_a[r1], temp2, ctx);
1888 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
1889 break;
1890 case OPC2_32_BO_ST_DA_CIRC:
1891 tcg_gen_qemu_st_tl(cpu_gpr_a[r1], temp2, ctx->mem_idx, MO_LEUL);
1892 tcg_gen_shri_tl(temp2, cpu_gpr_a[r2+1], 16);
1893 tcg_gen_addi_tl(temp, temp, 4);
1894 tcg_gen_rem_tl(temp, temp, temp2);
1895 tcg_gen_add_tl(temp2, cpu_gpr_a[r2], temp);
1896 tcg_gen_qemu_st_tl(cpu_gpr_a[r1+1], temp2, ctx->mem_idx, MO_LEUL);
1897 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
1898 break;
1899 case OPC2_32_BO_ST_H_BR:
1900 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_LEUW);
1901 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
1902 break;
1903 case OPC2_32_BO_ST_H_CIRC:
1904 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_LEUW);
1905 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
1906 break;
1907 case OPC2_32_BO_ST_Q_BR:
1908 tcg_gen_shri_tl(temp, cpu_gpr_d[r1], 16);
1909 tcg_gen_qemu_st_tl(temp, temp2, ctx->mem_idx, MO_LEUW);
1910 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
1911 break;
1912 case OPC2_32_BO_ST_Q_CIRC:
1913 tcg_gen_shri_tl(temp, cpu_gpr_d[r1], 16);
1914 tcg_gen_qemu_st_tl(temp, temp2, ctx->mem_idx, MO_LEUW);
1915 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
1916 break;
1917 case OPC2_32_BO_ST_W_BR:
1918 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_LEUL);
1919 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
1920 break;
1921 case OPC2_32_BO_ST_W_CIRC:
1922 tcg_gen_qemu_st_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_LEUL);
1923 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
1924 break;
1925 }
1926 tcg_temp_free(temp);
1927 tcg_temp_free(temp2);
1928 tcg_temp_free(temp3);
1929 }
1930
1931 static void decode_bo_addrmode_ld_post_pre_base(CPUTriCoreState *env,
1932 DisasContext *ctx)
1933 {
1934 uint32_t op2;
1935 uint32_t off10;
1936 int32_t r1, r2;
1937 TCGv temp;
1938
1939 r1 = MASK_OP_BO_S1D(ctx->opcode);
1940 r2 = MASK_OP_BO_S2(ctx->opcode);
1941 off10 = MASK_OP_BO_OFF10_SEXT(ctx->opcode);
1942 op2 = MASK_OP_BO_OP2(ctx->opcode);
1943
1944 switch (op2) {
1945 case OPC2_32_BO_LD_A_SHORTOFF:
1946 gen_offset_ld(ctx, cpu_gpr_a[r1], cpu_gpr_a[r2], off10, MO_LEUL);
1947 break;
1948 case OPC2_32_BO_LD_A_POSTINC:
1949 tcg_gen_qemu_ld_tl(cpu_gpr_a[r1], cpu_gpr_a[r2], ctx->mem_idx,
1950 MO_LEUL);
1951 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
1952 break;
1953 case OPC2_32_BO_LD_A_PREINC:
1954 gen_ld_preincr(ctx, cpu_gpr_a[r1], cpu_gpr_a[r2], off10, MO_LEUL);
1955 break;
1956 case OPC2_32_BO_LD_B_SHORTOFF:
1957 gen_offset_ld(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_SB);
1958 break;
1959 case OPC2_32_BO_LD_B_POSTINC:
1960 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx,
1961 MO_SB);
1962 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
1963 break;
1964 case OPC2_32_BO_LD_B_PREINC:
1965 gen_ld_preincr(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_SB);
1966 break;
1967 case OPC2_32_BO_LD_BU_SHORTOFF:
1968 gen_offset_ld(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_UB);
1969 break;
1970 case OPC2_32_BO_LD_BU_POSTINC:
1971 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx,
1972 MO_UB);
1973 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
1974 break;
1975 case OPC2_32_BO_LD_BU_PREINC:
1976 gen_ld_preincr(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_SB);
1977 break;
1978 case OPC2_32_BO_LD_D_SHORTOFF:
1979 gen_offset_ld_2regs(cpu_gpr_d[r1+1], cpu_gpr_d[r1], cpu_gpr_a[r2],
1980 off10, ctx);
1981 break;
1982 case OPC2_32_BO_LD_D_POSTINC:
1983 gen_ld_2regs_64(cpu_gpr_d[r1+1], cpu_gpr_d[r1], cpu_gpr_a[r2], ctx);
1984 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
1985 break;
1986 case OPC2_32_BO_LD_D_PREINC:
1987 temp = tcg_temp_new();
1988 tcg_gen_addi_tl(temp, cpu_gpr_a[r2], off10);
1989 gen_ld_2regs_64(cpu_gpr_d[r1+1], cpu_gpr_d[r1], temp, ctx);
1990 tcg_gen_mov_tl(cpu_gpr_a[r2], temp);
1991 tcg_temp_free(temp);
1992 break;
1993 case OPC2_32_BO_LD_DA_SHORTOFF:
1994 gen_offset_ld_2regs(cpu_gpr_a[r1+1], cpu_gpr_a[r1], cpu_gpr_a[r2],
1995 off10, ctx);
1996 break;
1997 case OPC2_32_BO_LD_DA_POSTINC:
1998 gen_ld_2regs_64(cpu_gpr_a[r1+1], cpu_gpr_a[r1], cpu_gpr_a[r2], ctx);
1999 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
2000 break;
2001 case OPC2_32_BO_LD_DA_PREINC:
2002 temp = tcg_temp_new();
2003 tcg_gen_addi_tl(temp, cpu_gpr_a[r2], off10);
2004 gen_ld_2regs_64(cpu_gpr_a[r1+1], cpu_gpr_a[r1], temp, ctx);
2005 tcg_gen_mov_tl(cpu_gpr_a[r2], temp);
2006 tcg_temp_free(temp);
2007 break;
2008 case OPC2_32_BO_LD_H_SHORTOFF:
2009 gen_offset_ld(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_LESW);
2010 break;
2011 case OPC2_32_BO_LD_H_POSTINC:
2012 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx,
2013 MO_LESW);
2014 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
2015 break;
2016 case OPC2_32_BO_LD_H_PREINC:
2017 gen_ld_preincr(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_LESW);
2018 break;
2019 case OPC2_32_BO_LD_HU_SHORTOFF:
2020 gen_offset_ld(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_LEUW);
2021 break;
2022 case OPC2_32_BO_LD_HU_POSTINC:
2023 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx,
2024 MO_LEUW);
2025 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
2026 break;
2027 case OPC2_32_BO_LD_HU_PREINC:
2028 gen_ld_preincr(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_LEUW);
2029 break;
2030 case OPC2_32_BO_LD_Q_SHORTOFF:
2031 gen_offset_ld(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_LEUW);
2032 tcg_gen_shli_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], 16);
2033 break;
2034 case OPC2_32_BO_LD_Q_POSTINC:
2035 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx,
2036 MO_LEUW);
2037 tcg_gen_shli_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], 16);
2038 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
2039 break;
2040 case OPC2_32_BO_LD_Q_PREINC:
2041 gen_ld_preincr(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_LEUW);
2042 tcg_gen_shli_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], 16);
2043 break;
2044 case OPC2_32_BO_LD_W_SHORTOFF:
2045 gen_offset_ld(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_LEUL);
2046 break;
2047 case OPC2_32_BO_LD_W_POSTINC:
2048 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], cpu_gpr_a[r2], ctx->mem_idx,
2049 MO_LEUL);
2050 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
2051 break;
2052 case OPC2_32_BO_LD_W_PREINC:
2053 gen_ld_preincr(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_LEUL);
2054 break;
2055 }
2056 }
2057
2058 static void decode_bo_addrmode_ld_bitreverse_circular(CPUTriCoreState *env,
2059 DisasContext *ctx)
2060 {
2061 uint32_t op2;
2062 uint32_t off10;
2063 int r1, r2;
2064
2065 TCGv temp, temp2, temp3;
2066
2067 r1 = MASK_OP_BO_S1D(ctx->opcode);
2068 r2 = MASK_OP_BO_S2(ctx->opcode);
2069 off10 = MASK_OP_BO_OFF10_SEXT(ctx->opcode);
2070 op2 = MASK_OP_BO_OP2(ctx->opcode);
2071
2072 temp = tcg_temp_new();
2073 temp2 = tcg_temp_new();
2074 temp3 = tcg_const_i32(off10);
2075
2076 tcg_gen_ext16u_tl(temp, cpu_gpr_a[r2+1]);
2077 tcg_gen_add_tl(temp2, cpu_gpr_a[r2], temp);
2078
2079
2080 switch (op2) {
2081 case OPC2_32_BO_LD_A_BR:
2082 tcg_gen_qemu_ld_tl(cpu_gpr_a[r1], temp2, ctx->mem_idx, MO_LEUL);
2083 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
2084 break;
2085 case OPC2_32_BO_LD_A_CIRC:
2086 tcg_gen_qemu_ld_tl(cpu_gpr_a[r1], temp2, ctx->mem_idx, MO_LEUL);
2087 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
2088 break;
2089 case OPC2_32_BO_LD_B_BR:
2090 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_SB);
2091 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
2092 break;
2093 case OPC2_32_BO_LD_B_CIRC:
2094 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_SB);
2095 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
2096 break;
2097 case OPC2_32_BO_LD_BU_BR:
2098 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_UB);
2099 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
2100 break;
2101 case OPC2_32_BO_LD_BU_CIRC:
2102 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_UB);
2103 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
2104 break;
2105 case OPC2_32_BO_LD_D_BR:
2106 gen_ld_2regs_64(cpu_gpr_d[r1+1], cpu_gpr_d[r1], temp2, ctx);
2107 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
2108 break;
2109 case OPC2_32_BO_LD_D_CIRC:
2110 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_LEUL);
2111 tcg_gen_shri_tl(temp2, cpu_gpr_a[r2+1], 16);
2112 tcg_gen_addi_tl(temp, temp, 4);
2113 tcg_gen_rem_tl(temp, temp, temp2);
2114 tcg_gen_add_tl(temp2, cpu_gpr_a[r2], temp);
2115 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1+1], temp2, ctx->mem_idx, MO_LEUL);
2116 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
2117 break;
2118 case OPC2_32_BO_LD_DA_BR:
2119 gen_ld_2regs_64(cpu_gpr_a[r1+1], cpu_gpr_a[r1], temp2, ctx);
2120 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
2121 break;
2122 case OPC2_32_BO_LD_DA_CIRC:
2123 tcg_gen_qemu_ld_tl(cpu_gpr_a[r1], temp2, ctx->mem_idx, MO_LEUL);
2124 tcg_gen_shri_tl(temp2, cpu_gpr_a[r2+1], 16);
2125 tcg_gen_addi_tl(temp, temp, 4);
2126 tcg_gen_rem_tl(temp, temp, temp2);
2127 tcg_gen_add_tl(temp2, cpu_gpr_a[r2], temp);
2128 tcg_gen_qemu_ld_tl(cpu_gpr_a[r1+1], temp2, ctx->mem_idx, MO_LEUL);
2129 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
2130 break;
2131 case OPC2_32_BO_LD_H_BR:
2132 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_LESW);
2133 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
2134 break;
2135 case OPC2_32_BO_LD_H_CIRC:
2136 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_LESW);
2137 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
2138 break;
2139 case OPC2_32_BO_LD_HU_BR:
2140 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_LEUW);
2141 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
2142 break;
2143 case OPC2_32_BO_LD_HU_CIRC:
2144 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_LEUW);
2145 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
2146 break;
2147 case OPC2_32_BO_LD_Q_BR:
2148 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_LEUW);
2149 tcg_gen_shli_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], 16);
2150 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
2151 break;
2152 case OPC2_32_BO_LD_Q_CIRC:
2153 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_LEUW);
2154 tcg_gen_shli_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], 16);
2155 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
2156 break;
2157 case OPC2_32_BO_LD_W_BR:
2158 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_LEUL);
2159 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
2160 break;
2161 case OPC2_32_BO_LD_W_CIRC:
2162 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_LEUL);
2163 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
2164 break;
2165 }
2166 tcg_temp_free(temp);
2167 tcg_temp_free(temp2);
2168 tcg_temp_free(temp3);
2169 }
2170
2171 static void decode_bo_addrmode_stctx_post_pre_base(CPUTriCoreState *env,
2172 DisasContext *ctx)
2173 {
2174 uint32_t op2;
2175 uint32_t off10;
2176 int r1, r2;
2177
2178 TCGv temp, temp2;
2179
2180 r1 = MASK_OP_BO_S1D(ctx->opcode);
2181 r2 = MASK_OP_BO_S2(ctx->opcode);
2182 off10 = MASK_OP_BO_OFF10_SEXT(ctx->opcode);
2183 op2 = MASK_OP_BO_OP2(ctx->opcode);
2184
2185
2186 temp = tcg_temp_new();
2187 temp2 = tcg_temp_new();
2188
2189 switch (op2) {
2190 case OPC2_32_BO_LDLCX_SHORTOFF:
2191 tcg_gen_addi_tl(temp, cpu_gpr_a[r2], off10);
2192 gen_helper_ldlcx(cpu_env, temp);
2193 break;
2194 case OPC2_32_BO_LDMST_SHORTOFF:
2195 tcg_gen_addi_tl(temp, cpu_gpr_a[r2], off10);
2196 gen_ldmst(ctx, r1, temp);
2197 break;
2198 case OPC2_32_BO_LDMST_POSTINC:
2199 gen_ldmst(ctx, r1, cpu_gpr_a[r2]);
2200 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
2201 break;
2202 case OPC2_32_BO_LDMST_PREINC:
2203 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
2204 gen_ldmst(ctx, r1, cpu_gpr_a[r2]);
2205 break;
2206 case OPC2_32_BO_LDUCX_SHORTOFF:
2207 tcg_gen_addi_tl(temp, cpu_gpr_a[r2], off10);
2208 gen_helper_lducx(cpu_env, temp);
2209 break;
2210 case OPC2_32_BO_LEA_SHORTOFF:
2211 tcg_gen_addi_tl(cpu_gpr_a[r1], cpu_gpr_a[r2], off10);
2212 break;
2213 case OPC2_32_BO_STLCX_SHORTOFF:
2214 tcg_gen_addi_tl(temp, cpu_gpr_a[r2], off10);
2215 gen_helper_stlcx(cpu_env, temp);
2216 break;
2217 case OPC2_32_BO_STUCX_SHORTOFF:
2218 tcg_gen_addi_tl(temp, cpu_gpr_a[r2], off10);
2219 gen_helper_stucx(cpu_env, temp);
2220 break;
2221 case OPC2_32_BO_SWAP_W_SHORTOFF:
2222 tcg_gen_addi_tl(temp, cpu_gpr_a[r2], off10);
2223 gen_swap(ctx, r1, temp);
2224 break;
2225 case OPC2_32_BO_SWAP_W_POSTINC:
2226 gen_swap(ctx, r1, cpu_gpr_a[r2]);
2227 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
2228 break;
2229 case OPC2_32_BO_SWAP_W_PREINC:
2230 tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
2231 gen_swap(ctx, r1, cpu_gpr_a[r2]);
2232 break;
2233 }
2234 tcg_temp_free(temp);
2235 tcg_temp_free(temp2);
2236 }
2237
2238 static void decode_bo_addrmode_ldmst_bitreverse_circular(CPUTriCoreState *env,
2239 DisasContext *ctx)
2240 {
2241 uint32_t op2;
2242 uint32_t off10;
2243 int r1, r2;
2244
2245 TCGv temp, temp2, temp3;
2246
2247 r1 = MASK_OP_BO_S1D(ctx->opcode);
2248 r2 = MASK_OP_BO_S2(ctx->opcode);
2249 off10 = MASK_OP_BO_OFF10_SEXT(ctx->opcode);
2250 op2 = MASK_OP_BO_OP2(ctx->opcode);
2251
2252 temp = tcg_temp_new();
2253 temp2 = tcg_temp_new();
2254 temp3 = tcg_const_i32(off10);
2255
2256 tcg_gen_ext16u_tl(temp, cpu_gpr_a[r2+1]);
2257 tcg_gen_add_tl(temp2, cpu_gpr_a[r2], temp);
2258
2259 switch (op2) {
2260 case OPC2_32_BO_LDMST_BR:
2261 gen_ldmst(ctx, r1, temp2);
2262 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
2263 break;
2264 case OPC2_32_BO_LDMST_CIRC:
2265 gen_ldmst(ctx, r1, temp2);
2266 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
2267 break;
2268 case OPC2_32_BO_SWAP_W_BR:
2269 gen_swap(ctx, r1, temp2);
2270 gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
2271 break;
2272 case OPC2_32_BO_SWAP_W_CIRC:
2273 gen_swap(ctx, r1, temp2);
2274 gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
2275 break;
2276 }
2277 tcg_temp_free(temp);
2278 tcg_temp_free(temp2);
2279 tcg_temp_free(temp3);
2280 }
2281
2282 static void decode_32Bit_opc(CPUTriCoreState *env, DisasContext *ctx)
2283 {
2284 int op1;
2285 int32_t r1;
2286 int32_t address;
2287 int8_t b;
2288 int32_t bpos;
2289 TCGv temp, temp2;
2290
2291 op1 = MASK_OP_MAJOR(ctx->opcode);
2292
2293 switch (op1) {
2294 /* ABS-format */
2295 case OPCM_32_ABS_LDW:
2296 decode_abs_ldw(env, ctx);
2297 break;
2298 case OPCM_32_ABS_LDB:
2299 decode_abs_ldb(env, ctx);
2300 break;
2301 case OPCM_32_ABS_LDMST_SWAP:
2302 decode_abs_ldst_swap(env, ctx);
2303 break;
2304 case OPCM_32_ABS_LDST_CONTEXT:
2305 decode_abs_ldst_context(env, ctx);
2306 break;
2307 case OPCM_32_ABS_STORE:
2308 decode_abs_store(env, ctx);
2309 break;
2310 case OPCM_32_ABS_STOREB_H:
2311 decode_abs_storeb_h(env, ctx);
2312 break;
2313 case OPC1_32_ABS_STOREQ:
2314 address = MASK_OP_ABS_OFF18(ctx->opcode);
2315 r1 = MASK_OP_ABS_S1D(ctx->opcode);
2316 temp = tcg_const_i32(EA_ABS_FORMAT(address));
2317 temp2 = tcg_temp_new();
2318
2319 tcg_gen_shri_tl(temp2, cpu_gpr_d[r1], 16);
2320 tcg_gen_qemu_st_tl(temp2, temp, ctx->mem_idx, MO_LEUW);
2321
2322 tcg_temp_free(temp2);
2323 tcg_temp_free(temp);
2324 break;
2325 case OPC1_32_ABS_LD_Q:
2326 address = MASK_OP_ABS_OFF18(ctx->opcode);
2327 r1 = MASK_OP_ABS_S1D(ctx->opcode);
2328 temp = tcg_const_i32(EA_ABS_FORMAT(address));
2329
2330 tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_LEUW);
2331 tcg_gen_shli_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], 16);
2332
2333 tcg_temp_free(temp);
2334 break;
2335 case OPC1_32_ABS_LEA:
2336 address = MASK_OP_ABS_OFF18(ctx->opcode);
2337 r1 = MASK_OP_ABS_S1D(ctx->opcode);
2338 tcg_gen_movi_tl(cpu_gpr_a[r1], EA_ABS_FORMAT(address));
2339 break;
2340 /* ABSB-format */
2341 case OPC1_32_ABSB_ST_T:
2342 address = MASK_OP_ABS_OFF18(ctx->opcode);
2343 b = MASK_OP_ABSB_B(ctx->opcode);
2344 bpos = MASK_OP_ABSB_BPOS(ctx->opcode);
2345
2346 temp = tcg_const_i32(EA_ABS_FORMAT(address));
2347 temp2 = tcg_temp_new();
2348
2349 tcg_gen_qemu_ld_tl(temp2, temp, ctx->mem_idx, MO_UB);
2350 tcg_gen_andi_tl(temp2, temp2, ~(0x1u << bpos));
2351 tcg_gen_ori_tl(temp2, temp2, (b << bpos));
2352 tcg_gen_qemu_st_tl(temp2, temp, ctx->mem_idx, MO_UB);
2353
2354 tcg_temp_free(temp);
2355 tcg_temp_free(temp2);
2356 break;
2357 /* B-format */
2358 case OPC1_32_B_CALL:
2359 case OPC1_32_B_CALLA:
2360 case OPC1_32_B_J:
2361 case OPC1_32_B_JA:
2362 case OPC1_32_B_JL:
2363 case OPC1_32_B_JLA:
2364 address = MASK_OP_B_DISP24(ctx->opcode);
2365 gen_compute_branch(ctx, op1, 0, 0, 0, address);
2366 break;
2367 /* Bit-format */
2368 case OPCM_32_BIT_ANDACC:
2369 decode_bit_andacc(env, ctx);
2370 break;
2371 case OPCM_32_BIT_LOGICAL_T1:
2372 decode_bit_logical_t(env, ctx);
2373 break;
2374 case OPCM_32_BIT_INSERT:
2375 decode_bit_insert(env, ctx);
2376 break;
2377 case OPCM_32_BIT_LOGICAL_T2:
2378 decode_bit_logical_t2(env, ctx);
2379 break;
2380 case OPCM_32_BIT_ORAND:
2381 decode_bit_orand(env, ctx);
2382 break;
2383 case OPCM_32_BIT_SH_LOGIC1:
2384 decode_bit_sh_logic1(env, ctx);
2385 break;
2386 case OPCM_32_BIT_SH_LOGIC2:
2387 decode_bit_sh_logic2(env, ctx);
2388 break;
2389 /* BO Format */
2390 case OPCM_32_BO_ADDRMODE_POST_PRE_BASE:
2391 decode_bo_addrmode_post_pre_base(env, ctx);
2392 break;
2393 case OPCM_32_BO_ADDRMODE_BITREVERSE_CIRCULAR:
2394 decode_bo_addrmode_bitreverse_circular(env, ctx);
2395 break;
2396 case OPCM_32_BO_ADDRMODE_LD_POST_PRE_BASE:
2397 decode_bo_addrmode_ld_post_pre_base(env, ctx);
2398 break;
2399 case OPCM_32_BO_ADDRMODE_LD_BITREVERSE_CIRCULAR:
2400 decode_bo_addrmode_ld_bitreverse_circular(env, ctx);
2401 break;
2402 case OPCM_32_BO_ADDRMODE_STCTX_POST_PRE_BASE:
2403 decode_bo_addrmode_stctx_post_pre_base(env, ctx);
2404 break;
2405 case OPCM_32_BO_ADDRMODE_LDMST_BITREVERSE_CIRCULAR:
2406 decode_bo_addrmode_ldmst_bitreverse_circular(env, ctx);
2407 break;
2408 }
2409 }
2410
2411 static void decode_opc(CPUTriCoreState *env, DisasContext *ctx, int *is_branch)
2412 {
2413 /* 16-Bit Instruction */
2414 if ((ctx->opcode & 0x1) == 0) {
2415 ctx->next_pc = ctx->pc + 2;
2416 decode_16Bit_opc(env, ctx);
2417 /* 32-Bit Instruction */
2418 } else {
2419 ctx->next_pc = ctx->pc + 4;
2420 decode_32Bit_opc(env, ctx);
2421 }
2422 }
2423
2424 static inline void
2425 gen_intermediate_code_internal(TriCoreCPU *cpu, struct TranslationBlock *tb,
2426 int search_pc)
2427 {
2428 CPUState *cs = CPU(cpu);
2429 CPUTriCoreState *env = &cpu->env;
2430 DisasContext ctx;
2431 target_ulong pc_start;
2432 int num_insns;
2433 uint16_t *gen_opc_end;
2434
2435 if (search_pc) {
2436 qemu_log("search pc %d\n", search_pc);
2437 }
2438
2439 num_insns = 0;
2440 pc_start = tb->pc;
2441 gen_opc_end = tcg_ctx.gen_opc_buf + OPC_MAX_SIZE;
2442 ctx.pc = pc_start;
2443 ctx.saved_pc = -1;
2444 ctx.tb = tb;
2445 ctx.singlestep_enabled = cs->singlestep_enabled;
2446 ctx.bstate = BS_NONE;
2447 ctx.mem_idx = cpu_mmu_index(env);
2448
2449 tcg_clear_temp_count();
2450 gen_tb_start();
2451 while (ctx.bstate == BS_NONE) {
2452 ctx.opcode = cpu_ldl_code(env, ctx.pc);
2453 decode_opc(env, &ctx, 0);
2454
2455 num_insns++;
2456
2457 if (tcg_ctx.gen_opc_ptr >= gen_opc_end) {
2458 gen_save_pc(ctx.next_pc);
2459 tcg_gen_exit_tb(0);
2460 break;
2461 }
2462 if (singlestep) {
2463 gen_save_pc(ctx.next_pc);
2464 tcg_gen_exit_tb(0);
2465 break;
2466 }
2467 ctx.pc = ctx.next_pc;
2468 }
2469
2470 gen_tb_end(tb, num_insns);
2471 *tcg_ctx.gen_opc_ptr = INDEX_op_end;
2472 if (search_pc) {
2473 printf("done_generating search pc\n");
2474 } else {
2475 tb->size = ctx.pc - pc_start;
2476 tb->icount = num_insns;
2477 }
2478 if (tcg_check_temp_count()) {
2479 printf("LEAK at %08x\n", env->PC);
2480 }
2481
2482 #ifdef DEBUG_DISAS
2483 if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
2484 qemu_log("IN: %s\n", lookup_symbol(pc_start));
2485 log_target_disas(env, pc_start, ctx.pc - pc_start, 0);
2486 qemu_log("\n");
2487 }
2488 #endif
2489 }
2490
2491 void
2492 gen_intermediate_code(CPUTriCoreState *env, struct TranslationBlock *tb)
2493 {
2494 gen_intermediate_code_internal(tricore_env_get_cpu(env), tb, false);
2495 }
2496
2497 void
2498 gen_intermediate_code_pc(CPUTriCoreState *env, struct TranslationBlock *tb)
2499 {
2500 gen_intermediate_code_internal(tricore_env_get_cpu(env), tb, true);
2501 }
2502
2503 void
2504 restore_state_to_opc(CPUTriCoreState *env, TranslationBlock *tb, int pc_pos)
2505 {
2506 env->PC = tcg_ctx.gen_opc_pc[pc_pos];
2507 }
2508 /*
2509 *
2510 * Initialization
2511 *
2512 */
2513
2514 void cpu_state_reset(CPUTriCoreState *env)
2515 {
2516 /* Reset Regs to Default Value */
2517 env->PSW = 0xb80;
2518 }
2519
2520 static void tricore_tcg_init_csfr(void)
2521 {
2522 cpu_PCXI = tcg_global_mem_new(TCG_AREG0,
2523 offsetof(CPUTriCoreState, PCXI), "PCXI");
2524 cpu_PSW = tcg_global_mem_new(TCG_AREG0,
2525 offsetof(CPUTriCoreState, PSW), "PSW");
2526 cpu_PC = tcg_global_mem_new(TCG_AREG0,
2527 offsetof(CPUTriCoreState, PC), "PC");
2528 cpu_ICR = tcg_global_mem_new(TCG_AREG0,
2529 offsetof(CPUTriCoreState, ICR), "ICR");
2530 }
2531
2532 void tricore_tcg_init(void)
2533 {
2534 int i;
2535 static int inited;
2536 if (inited) {
2537 return;
2538 }
2539 cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
2540 /* reg init */
2541 for (i = 0 ; i < 16 ; i++) {
2542 cpu_gpr_a[i] = tcg_global_mem_new(TCG_AREG0,
2543 offsetof(CPUTriCoreState, gpr_a[i]),
2544 regnames_a[i]);
2545 }
2546 for (i = 0 ; i < 16 ; i++) {
2547 cpu_gpr_d[i] = tcg_global_mem_new(TCG_AREG0,
2548 offsetof(CPUTriCoreState, gpr_d[i]),
2549 regnames_d[i]);
2550 }
2551 tricore_tcg_init_csfr();
2552 /* init PSW flag cache */
2553 cpu_PSW_C = tcg_global_mem_new(TCG_AREG0,
2554 offsetof(CPUTriCoreState, PSW_USB_C),
2555 "PSW_C");
2556 cpu_PSW_V = tcg_global_mem_new(TCG_AREG0,
2557 offsetof(CPUTriCoreState, PSW_USB_V),
2558 "PSW_V");
2559 cpu_PSW_SV = tcg_global_mem_new(TCG_AREG0,
2560 offsetof(CPUTriCoreState, PSW_USB_SV),
2561 "PSW_SV");
2562 cpu_PSW_AV = tcg_global_mem_new(TCG_AREG0,
2563 offsetof(CPUTriCoreState, PSW_USB_AV),
2564 "PSW_AV");
2565 cpu_PSW_SAV = tcg_global_mem_new(TCG_AREG0,
2566 offsetof(CPUTriCoreState, PSW_USB_SAV),
2567 "PSW_SAV");
2568 }
QEmu