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Remove unused CONFIG_TCG_PASS_AREG0 and dead code
[qemu/opensuse.git] / tci.c
blobce8a988147a6e2216e1aa41b0623387f143cba4b
1 /*
2 * Tiny Code Interpreter for QEMU
3 *
4 * Copyright (c) 2009, 2011 Stefan Weil
5 *
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program 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
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "config.h"
21
22 /* Defining NDEBUG disables assertions (which makes the code faster). */
23 #if !defined(CONFIG_DEBUG_TCG) && !defined(NDEBUG)
24 # define NDEBUG
25 #endif
26
27 #include "qemu-common.h"
28 #include "exec-all.h" /* MAX_OPC_PARAM_IARGS */
29 #include "tcg-op.h"
30
31 /* Marker for missing code. */
32 #define TODO() \
33 do { \
34 fprintf(stderr, "TODO %s:%u: %s()\n", \
35 __FILE__, __LINE__, __func__); \
36 tcg_abort(); \
37 } while (0)
38
39 #if MAX_OPC_PARAM_IARGS != 4
40 # error Fix needed, number of supported input arguments changed!
41 #endif
42 #if TCG_TARGET_REG_BITS == 32
43 typedef uint64_t (*helper_function)(tcg_target_ulong, tcg_target_ulong,
44 tcg_target_ulong, tcg_target_ulong,
45 tcg_target_ulong, tcg_target_ulong,
46 tcg_target_ulong, tcg_target_ulong);
47 #else
48 typedef uint64_t (*helper_function)(tcg_target_ulong, tcg_target_ulong,
49 tcg_target_ulong, tcg_target_ulong);
50 #endif
51
52 /* TCI can optionally use a global register variable for env. */
53 #if !defined(AREG0)
54 CPUArchState *env;
55 #endif
56
57 /* Targets which don't use GETPC also don't need tci_tb_ptr
58 which makes them a little faster. */
59 #if defined(GETPC)
60 uintptr_t tci_tb_ptr;
61 #endif
62
63 static tcg_target_ulong tci_reg[TCG_TARGET_NB_REGS];
64
65 static tcg_target_ulong tci_read_reg(TCGReg index)
66 {
67 assert(index < ARRAY_SIZE(tci_reg));
68 return tci_reg[index];
69 }
70
71 #if TCG_TARGET_HAS_ext8s_i32 || TCG_TARGET_HAS_ext8s_i64
72 static int8_t tci_read_reg8s(TCGReg index)
73 {
74 return (int8_t)tci_read_reg(index);
75 }
76 #endif
77
78 #if TCG_TARGET_HAS_ext16s_i32 || TCG_TARGET_HAS_ext16s_i64
79 static int16_t tci_read_reg16s(TCGReg index)
80 {
81 return (int16_t)tci_read_reg(index);
82 }
83 #endif
84
85 #if TCG_TARGET_REG_BITS == 64
86 static int32_t tci_read_reg32s(TCGReg index)
87 {
88 return (int32_t)tci_read_reg(index);
89 }
90 #endif
91
92 static uint8_t tci_read_reg8(TCGReg index)
93 {
94 return (uint8_t)tci_read_reg(index);
95 }
96
97 static uint16_t tci_read_reg16(TCGReg index)
98 {
99 return (uint16_t)tci_read_reg(index);
100 }
101
102 static uint32_t tci_read_reg32(TCGReg index)
103 {
104 return (uint32_t)tci_read_reg(index);
105 }
106
107 #if TCG_TARGET_REG_BITS == 64
108 static uint64_t tci_read_reg64(TCGReg index)
109 {
110 return tci_read_reg(index);
111 }
112 #endif
113
114 static void tci_write_reg(TCGReg index, tcg_target_ulong value)
115 {
116 assert(index < ARRAY_SIZE(tci_reg));
117 assert(index != TCG_AREG0);
118 tci_reg[index] = value;
119 }
120
121 static void tci_write_reg8s(TCGReg index, int8_t value)
122 {
123 tci_write_reg(index, value);
124 }
125
126 static void tci_write_reg16s(TCGReg index, int16_t value)
127 {
128 tci_write_reg(index, value);
129 }
130
131 #if TCG_TARGET_REG_BITS == 64
132 static void tci_write_reg32s(TCGReg index, int32_t value)
133 {
134 tci_write_reg(index, value);
135 }
136 #endif
137
138 static void tci_write_reg8(TCGReg index, uint8_t value)
139 {
140 tci_write_reg(index, value);
141 }
142
143 static void tci_write_reg16(TCGReg index, uint16_t value)
144 {
145 tci_write_reg(index, value);
146 }
147
148 static void tci_write_reg32(TCGReg index, uint32_t value)
149 {
150 tci_write_reg(index, value);
151 }
152
153 #if TCG_TARGET_REG_BITS == 32
154 static void tci_write_reg64(uint32_t high_index, uint32_t low_index,
155 uint64_t value)
156 {
157 tci_write_reg(low_index, value);
158 tci_write_reg(high_index, value >> 32);
159 }
160 #elif TCG_TARGET_REG_BITS == 64
161 static void tci_write_reg64(TCGReg index, uint64_t value)
162 {
163 tci_write_reg(index, value);
164 }
165 #endif
166
167 #if TCG_TARGET_REG_BITS == 32
168 /* Create a 64 bit value from two 32 bit values. */
169 static uint64_t tci_uint64(uint32_t high, uint32_t low)
170 {
171 return ((uint64_t)high << 32) + low;
172 }
173 #endif
174
175 /* Read constant (native size) from bytecode. */
176 static tcg_target_ulong tci_read_i(uint8_t **tb_ptr)
177 {
178 tcg_target_ulong value = *(tcg_target_ulong *)(*tb_ptr);
179 *tb_ptr += sizeof(value);
180 return value;
181 }
182
183 /* Read constant (32 bit) from bytecode. */
184 static uint32_t tci_read_i32(uint8_t **tb_ptr)
185 {
186 uint32_t value = *(uint32_t *)(*tb_ptr);
187 *tb_ptr += sizeof(value);
188 return value;
189 }
190
191 #if TCG_TARGET_REG_BITS == 64
192 /* Read constant (64 bit) from bytecode. */
193 static uint64_t tci_read_i64(uint8_t **tb_ptr)
194 {
195 uint64_t value = *(uint64_t *)(*tb_ptr);
196 *tb_ptr += sizeof(value);
197 return value;
198 }
199 #endif
200
201 /* Read indexed register (native size) from bytecode. */
202 static tcg_target_ulong tci_read_r(uint8_t **tb_ptr)
203 {
204 tcg_target_ulong value = tci_read_reg(**tb_ptr);
205 *tb_ptr += 1;
206 return value;
207 }
208
209 /* Read indexed register (8 bit) from bytecode. */
210 static uint8_t tci_read_r8(uint8_t **tb_ptr)
211 {
212 uint8_t value = tci_read_reg8(**tb_ptr);
213 *tb_ptr += 1;
214 return value;
215 }
216
217 #if TCG_TARGET_HAS_ext8s_i32 || TCG_TARGET_HAS_ext8s_i64
218 /* Read indexed register (8 bit signed) from bytecode. */
219 static int8_t tci_read_r8s(uint8_t **tb_ptr)
220 {
221 int8_t value = tci_read_reg8s(**tb_ptr);
222 *tb_ptr += 1;
223 return value;
224 }
225 #endif
226
227 /* Read indexed register (16 bit) from bytecode. */
228 static uint16_t tci_read_r16(uint8_t **tb_ptr)
229 {
230 uint16_t value = tci_read_reg16(**tb_ptr);
231 *tb_ptr += 1;
232 return value;
233 }
234
235 #if TCG_TARGET_HAS_ext16s_i32 || TCG_TARGET_HAS_ext16s_i64
236 /* Read indexed register (16 bit signed) from bytecode. */
237 static int16_t tci_read_r16s(uint8_t **tb_ptr)
238 {
239 int16_t value = tci_read_reg16s(**tb_ptr);
240 *tb_ptr += 1;
241 return value;
242 }
243 #endif
244
245 /* Read indexed register (32 bit) from bytecode. */
246 static uint32_t tci_read_r32(uint8_t **tb_ptr)
247 {
248 uint32_t value = tci_read_reg32(**tb_ptr);
249 *tb_ptr += 1;
250 return value;
251 }
252
253 #if TCG_TARGET_REG_BITS == 32
254 /* Read two indexed registers (2 * 32 bit) from bytecode. */
255 static uint64_t tci_read_r64(uint8_t **tb_ptr)
256 {
257 uint32_t low = tci_read_r32(tb_ptr);
258 return tci_uint64(tci_read_r32(tb_ptr), low);
259 }
260 #elif TCG_TARGET_REG_BITS == 64
261 /* Read indexed register (32 bit signed) from bytecode. */
262 static int32_t tci_read_r32s(uint8_t **tb_ptr)
263 {
264 int32_t value = tci_read_reg32s(**tb_ptr);
265 *tb_ptr += 1;
266 return value;
267 }
268
269 /* Read indexed register (64 bit) from bytecode. */
270 static uint64_t tci_read_r64(uint8_t **tb_ptr)
271 {
272 uint64_t value = tci_read_reg64(**tb_ptr);
273 *tb_ptr += 1;
274 return value;
275 }
276 #endif
277
278 /* Read indexed register(s) with target address from bytecode. */
279 static target_ulong tci_read_ulong(uint8_t **tb_ptr)
280 {
281 target_ulong taddr = tci_read_r(tb_ptr);
282 #if TARGET_LONG_BITS > TCG_TARGET_REG_BITS
283 taddr += (uint64_t)tci_read_r(tb_ptr) << 32;
284 #endif
285 return taddr;
286 }
287
288 /* Read indexed register or constant (native size) from bytecode. */
289 static tcg_target_ulong tci_read_ri(uint8_t **tb_ptr)
290 {
291 tcg_target_ulong value;
292 TCGReg r = **tb_ptr;
293 *tb_ptr += 1;
294 if (r == TCG_CONST) {
295 value = tci_read_i(tb_ptr);
296 } else {
297 value = tci_read_reg(r);
298 }
299 return value;
300 }
301
302 /* Read indexed register or constant (32 bit) from bytecode. */
303 static uint32_t tci_read_ri32(uint8_t **tb_ptr)
304 {
305 uint32_t value;
306 TCGReg r = **tb_ptr;
307 *tb_ptr += 1;
308 if (r == TCG_CONST) {
309 value = tci_read_i32(tb_ptr);
310 } else {
311 value = tci_read_reg32(r);
312 }
313 return value;
314 }
315
316 #if TCG_TARGET_REG_BITS == 32
317 /* Read two indexed registers or constants (2 * 32 bit) from bytecode. */
318 static uint64_t tci_read_ri64(uint8_t **tb_ptr)
319 {
320 uint32_t low = tci_read_ri32(tb_ptr);
321 return tci_uint64(tci_read_ri32(tb_ptr), low);
322 }
323 #elif TCG_TARGET_REG_BITS == 64
324 /* Read indexed register or constant (64 bit) from bytecode. */
325 static uint64_t tci_read_ri64(uint8_t **tb_ptr)
326 {
327 uint64_t value;
328 TCGReg r = **tb_ptr;
329 *tb_ptr += 1;
330 if (r == TCG_CONST) {
331 value = tci_read_i64(tb_ptr);
332 } else {
333 value = tci_read_reg64(r);
334 }
335 return value;
336 }
337 #endif
338
339 static target_ulong tci_read_label(uint8_t **tb_ptr)
340 {
341 target_ulong label = tci_read_i(tb_ptr);
342 assert(label != 0);
343 return label;
344 }
345
346 static bool tci_compare32(uint32_t u0, uint32_t u1, TCGCond condition)
347 {
348 bool result = false;
349 int32_t i0 = u0;
350 int32_t i1 = u1;
351 switch (condition) {
352 case TCG_COND_EQ:
353 result = (u0 == u1);
354 break;
355 case TCG_COND_NE:
356 result = (u0 != u1);
357 break;
358 case TCG_COND_LT:
359 result = (i0 < i1);
360 break;
361 case TCG_COND_GE:
362 result = (i0 >= i1);
363 break;
364 case TCG_COND_LE:
365 result = (i0 <= i1);
366 break;
367 case TCG_COND_GT:
368 result = (i0 > i1);
369 break;
370 case TCG_COND_LTU:
371 result = (u0 < u1);
372 break;
373 case TCG_COND_GEU:
374 result = (u0 >= u1);
375 break;
376 case TCG_COND_LEU:
377 result = (u0 <= u1);
378 break;
379 case TCG_COND_GTU:
380 result = (u0 > u1);
381 break;
382 default:
383 TODO();
384 }
385 return result;
386 }
387
388 static bool tci_compare64(uint64_t u0, uint64_t u1, TCGCond condition)
389 {
390 bool result = false;
391 int64_t i0 = u0;
392 int64_t i1 = u1;
393 switch (condition) {
394 case TCG_COND_EQ:
395 result = (u0 == u1);
396 break;
397 case TCG_COND_NE:
398 result = (u0 != u1);
399 break;
400 case TCG_COND_LT:
401 result = (i0 < i1);
402 break;
403 case TCG_COND_GE:
404 result = (i0 >= i1);
405 break;
406 case TCG_COND_LE:
407 result = (i0 <= i1);
408 break;
409 case TCG_COND_GT:
410 result = (i0 > i1);
411 break;
412 case TCG_COND_LTU:
413 result = (u0 < u1);
414 break;
415 case TCG_COND_GEU:
416 result = (u0 >= u1);
417 break;
418 case TCG_COND_LEU:
419 result = (u0 <= u1);
420 break;
421 case TCG_COND_GTU:
422 result = (u0 > u1);
423 break;
424 default:
425 TODO();
426 }
427 return result;
428 }
429
430 /* Interpret pseudo code in tb. */
431 tcg_target_ulong tcg_qemu_tb_exec(CPUArchState *cpustate, uint8_t *tb_ptr)
432 {
433 tcg_target_ulong next_tb = 0;
434
435 env = cpustate;
436 tci_reg[TCG_AREG0] = (tcg_target_ulong)env;
437 assert(tb_ptr);
438
439 for (;;) {
440 #if defined(GETPC)
441 tci_tb_ptr = (uintptr_t)tb_ptr;
442 #endif
443 TCGOpcode opc = tb_ptr[0];
444 #if !defined(NDEBUG)
445 uint8_t op_size = tb_ptr[1];
446 uint8_t *old_code_ptr = tb_ptr;
447 #endif
448 tcg_target_ulong t0;
449 tcg_target_ulong t1;
450 tcg_target_ulong t2;
451 tcg_target_ulong label;
452 TCGCond condition;
453 target_ulong taddr;
454 #ifndef CONFIG_SOFTMMU
455 tcg_target_ulong host_addr;
456 #endif
457 uint8_t tmp8;
458 uint16_t tmp16;
459 uint32_t tmp32;
460 uint64_t tmp64;
461 #if TCG_TARGET_REG_BITS == 32
462 uint64_t v64;
463 #endif
464
465 /* Skip opcode and size entry. */
466 tb_ptr += 2;
467
468 switch (opc) {
469 case INDEX_op_end:
470 case INDEX_op_nop:
471 break;
472 case INDEX_op_nop1:
473 case INDEX_op_nop2:
474 case INDEX_op_nop3:
475 case INDEX_op_nopn:
476 case INDEX_op_discard:
477 TODO();
478 break;
479 case INDEX_op_set_label:
480 TODO();
481 break;
482 case INDEX_op_call:
483 t0 = tci_read_ri(&tb_ptr);
484 #if TCG_TARGET_REG_BITS == 32
485 tmp64 = ((helper_function)t0)(tci_read_reg(TCG_REG_R0),
486 tci_read_reg(TCG_REG_R1),
487 tci_read_reg(TCG_REG_R2),
488 tci_read_reg(TCG_REG_R3),
489 tci_read_reg(TCG_REG_R5),
490 tci_read_reg(TCG_REG_R6),
491 tci_read_reg(TCG_REG_R7),
492 tci_read_reg(TCG_REG_R8));
493 tci_write_reg(TCG_REG_R0, tmp64);
494 tci_write_reg(TCG_REG_R1, tmp64 >> 32);
495 #else
496 tmp64 = ((helper_function)t0)(tci_read_reg(TCG_REG_R0),
497 tci_read_reg(TCG_REG_R1),
498 tci_read_reg(TCG_REG_R2),
499 tci_read_reg(TCG_REG_R3));
500 tci_write_reg(TCG_REG_R0, tmp64);
501 #endif
502 break;
503 case INDEX_op_jmp:
504 case INDEX_op_br:
505 label = tci_read_label(&tb_ptr);
506 assert(tb_ptr == old_code_ptr + op_size);
507 tb_ptr = (uint8_t *)label;
508 continue;
509 case INDEX_op_setcond_i32:
510 t0 = *tb_ptr++;
511 t1 = tci_read_r32(&tb_ptr);
512 t2 = tci_read_ri32(&tb_ptr);
513 condition = *tb_ptr++;
514 tci_write_reg32(t0, tci_compare32(t1, t2, condition));
515 break;
516 #if TCG_TARGET_REG_BITS == 32
517 case INDEX_op_setcond2_i32:
518 t0 = *tb_ptr++;
519 tmp64 = tci_read_r64(&tb_ptr);
520 v64 = tci_read_ri64(&tb_ptr);
521 condition = *tb_ptr++;
522 tci_write_reg32(t0, tci_compare64(tmp64, v64, condition));
523 break;
524 #elif TCG_TARGET_REG_BITS == 64
525 case INDEX_op_setcond_i64:
526 t0 = *tb_ptr++;
527 t1 = tci_read_r64(&tb_ptr);
528 t2 = tci_read_ri64(&tb_ptr);
529 condition = *tb_ptr++;
530 tci_write_reg64(t0, tci_compare64(t1, t2, condition));
531 break;
532 #endif
533 case INDEX_op_mov_i32:
534 t0 = *tb_ptr++;
535 t1 = tci_read_r32(&tb_ptr);
536 tci_write_reg32(t0, t1);
537 break;
538 case INDEX_op_movi_i32:
539 t0 = *tb_ptr++;
540 t1 = tci_read_i32(&tb_ptr);
541 tci_write_reg32(t0, t1);
542 break;
543
544 /* Load/store operations (32 bit). */
545
546 case INDEX_op_ld8u_i32:
547 t0 = *tb_ptr++;
548 t1 = tci_read_r(&tb_ptr);
549 t2 = tci_read_i32(&tb_ptr);
550 tci_write_reg8(t0, *(uint8_t *)(t1 + t2));
551 break;
552 case INDEX_op_ld8s_i32:
553 case INDEX_op_ld16u_i32:
554 TODO();
555 break;
556 case INDEX_op_ld16s_i32:
557 TODO();
558 break;
559 case INDEX_op_ld_i32:
560 t0 = *tb_ptr++;
561 t1 = tci_read_r(&tb_ptr);
562 t2 = tci_read_i32(&tb_ptr);
563 tci_write_reg32(t0, *(uint32_t *)(t1 + t2));
564 break;
565 case INDEX_op_st8_i32:
566 t0 = tci_read_r8(&tb_ptr);
567 t1 = tci_read_r(&tb_ptr);
568 t2 = tci_read_i32(&tb_ptr);
569 *(uint8_t *)(t1 + t2) = t0;
570 break;
571 case INDEX_op_st16_i32:
572 t0 = tci_read_r16(&tb_ptr);
573 t1 = tci_read_r(&tb_ptr);
574 t2 = tci_read_i32(&tb_ptr);
575 *(uint16_t *)(t1 + t2) = t0;
576 break;
577 case INDEX_op_st_i32:
578 t0 = tci_read_r32(&tb_ptr);
579 t1 = tci_read_r(&tb_ptr);
580 t2 = tci_read_i32(&tb_ptr);
581 *(uint32_t *)(t1 + t2) = t0;
582 break;
583
584 /* Arithmetic operations (32 bit). */
585
586 case INDEX_op_add_i32:
587 t0 = *tb_ptr++;
588 t1 = tci_read_ri32(&tb_ptr);
589 t2 = tci_read_ri32(&tb_ptr);
590 tci_write_reg32(t0, t1 + t2);
591 break;
592 case INDEX_op_sub_i32:
593 t0 = *tb_ptr++;
594 t1 = tci_read_ri32(&tb_ptr);
595 t2 = tci_read_ri32(&tb_ptr);
596 tci_write_reg32(t0, t1 - t2);
597 break;
598 case INDEX_op_mul_i32:
599 t0 = *tb_ptr++;
600 t1 = tci_read_ri32(&tb_ptr);
601 t2 = tci_read_ri32(&tb_ptr);
602 tci_write_reg32(t0, t1 * t2);
603 break;
604 #if TCG_TARGET_HAS_div_i32
605 case INDEX_op_div_i32:
606 t0 = *tb_ptr++;
607 t1 = tci_read_ri32(&tb_ptr);
608 t2 = tci_read_ri32(&tb_ptr);
609 tci_write_reg32(t0, (int32_t)t1 / (int32_t)t2);
610 break;
611 case INDEX_op_divu_i32:
612 t0 = *tb_ptr++;
613 t1 = tci_read_ri32(&tb_ptr);
614 t2 = tci_read_ri32(&tb_ptr);
615 tci_write_reg32(t0, t1 / t2);
616 break;
617 case INDEX_op_rem_i32:
618 t0 = *tb_ptr++;
619 t1 = tci_read_ri32(&tb_ptr);
620 t2 = tci_read_ri32(&tb_ptr);
621 tci_write_reg32(t0, (int32_t)t1 % (int32_t)t2);
622 break;
623 case INDEX_op_remu_i32:
624 t0 = *tb_ptr++;
625 t1 = tci_read_ri32(&tb_ptr);
626 t2 = tci_read_ri32(&tb_ptr);
627 tci_write_reg32(t0, t1 % t2);
628 break;
629 #elif TCG_TARGET_HAS_div2_i32
630 case INDEX_op_div2_i32:
631 case INDEX_op_divu2_i32:
632 TODO();
633 break;
634 #endif
635 case INDEX_op_and_i32:
636 t0 = *tb_ptr++;
637 t1 = tci_read_ri32(&tb_ptr);
638 t2 = tci_read_ri32(&tb_ptr);
639 tci_write_reg32(t0, t1 & t2);
640 break;
641 case INDEX_op_or_i32:
642 t0 = *tb_ptr++;
643 t1 = tci_read_ri32(&tb_ptr);
644 t2 = tci_read_ri32(&tb_ptr);
645 tci_write_reg32(t0, t1 | t2);
646 break;
647 case INDEX_op_xor_i32:
648 t0 = *tb_ptr++;
649 t1 = tci_read_ri32(&tb_ptr);
650 t2 = tci_read_ri32(&tb_ptr);
651 tci_write_reg32(t0, t1 ^ t2);
652 break;
653
654 /* Shift/rotate operations (32 bit). */
655
656 case INDEX_op_shl_i32:
657 t0 = *tb_ptr++;
658 t1 = tci_read_ri32(&tb_ptr);
659 t2 = tci_read_ri32(&tb_ptr);
660 tci_write_reg32(t0, t1 << t2);
661 break;
662 case INDEX_op_shr_i32:
663 t0 = *tb_ptr++;
664 t1 = tci_read_ri32(&tb_ptr);
665 t2 = tci_read_ri32(&tb_ptr);
666 tci_write_reg32(t0, t1 >> t2);
667 break;
668 case INDEX_op_sar_i32:
669 t0 = *tb_ptr++;
670 t1 = tci_read_ri32(&tb_ptr);
671 t2 = tci_read_ri32(&tb_ptr);
672 tci_write_reg32(t0, ((int32_t)t1 >> t2));
673 break;
674 #if TCG_TARGET_HAS_rot_i32
675 case INDEX_op_rotl_i32:
676 t0 = *tb_ptr++;
677 t1 = tci_read_ri32(&tb_ptr);
678 t2 = tci_read_ri32(&tb_ptr);
679 tci_write_reg32(t0, (t1 << t2) | (t1 >> (32 - t2)));
680 break;
681 case INDEX_op_rotr_i32:
682 t0 = *tb_ptr++;
683 t1 = tci_read_ri32(&tb_ptr);
684 t2 = tci_read_ri32(&tb_ptr);
685 tci_write_reg32(t0, (t1 >> t2) | (t1 << (32 - t2)));
686 break;
687 #endif
688 case INDEX_op_brcond_i32:
689 t0 = tci_read_r32(&tb_ptr);
690 t1 = tci_read_ri32(&tb_ptr);
691 condition = *tb_ptr++;
692 label = tci_read_label(&tb_ptr);
693 if (tci_compare32(t0, t1, condition)) {
694 assert(tb_ptr == old_code_ptr + op_size);
695 tb_ptr = (uint8_t *)label;
696 continue;
697 }
698 break;
699 #if TCG_TARGET_REG_BITS == 32
700 case INDEX_op_add2_i32:
701 t0 = *tb_ptr++;
702 t1 = *tb_ptr++;
703 tmp64 = tci_read_r64(&tb_ptr);
704 tmp64 += tci_read_r64(&tb_ptr);
705 tci_write_reg64(t1, t0, tmp64);
706 break;
707 case INDEX_op_sub2_i32:
708 t0 = *tb_ptr++;
709 t1 = *tb_ptr++;
710 tmp64 = tci_read_r64(&tb_ptr);
711 tmp64 -= tci_read_r64(&tb_ptr);
712 tci_write_reg64(t1, t0, tmp64);
713 break;
714 case INDEX_op_brcond2_i32:
715 tmp64 = tci_read_r64(&tb_ptr);
716 v64 = tci_read_ri64(&tb_ptr);
717 condition = *tb_ptr++;
718 label = tci_read_label(&tb_ptr);
719 if (tci_compare64(tmp64, v64, condition)) {
720 assert(tb_ptr == old_code_ptr + op_size);
721 tb_ptr = (uint8_t *)label;
722 continue;
723 }
724 break;
725 case INDEX_op_mulu2_i32:
726 t0 = *tb_ptr++;
727 t1 = *tb_ptr++;
728 t2 = tci_read_r32(&tb_ptr);
729 tmp64 = tci_read_r32(&tb_ptr);
730 tci_write_reg64(t1, t0, t2 * tmp64);
731 break;
732 #endif /* TCG_TARGET_REG_BITS == 32 */
733 #if TCG_TARGET_HAS_ext8s_i32
734 case INDEX_op_ext8s_i32:
735 t0 = *tb_ptr++;
736 t1 = tci_read_r8s(&tb_ptr);
737 tci_write_reg32(t0, t1);
738 break;
739 #endif
740 #if TCG_TARGET_HAS_ext16s_i32
741 case INDEX_op_ext16s_i32:
742 t0 = *tb_ptr++;
743 t1 = tci_read_r16s(&tb_ptr);
744 tci_write_reg32(t0, t1);
745 break;
746 #endif
747 #if TCG_TARGET_HAS_ext8u_i32
748 case INDEX_op_ext8u_i32:
749 t0 = *tb_ptr++;
750 t1 = tci_read_r8(&tb_ptr);
751 tci_write_reg32(t0, t1);
752 break;
753 #endif
754 #if TCG_TARGET_HAS_ext16u_i32
755 case INDEX_op_ext16u_i32:
756 t0 = *tb_ptr++;
757 t1 = tci_read_r16(&tb_ptr);
758 tci_write_reg32(t0, t1);
759 break;
760 #endif
761 #if TCG_TARGET_HAS_bswap16_i32
762 case INDEX_op_bswap16_i32:
763 t0 = *tb_ptr++;
764 t1 = tci_read_r16(&tb_ptr);
765 tci_write_reg32(t0, bswap16(t1));
766 break;
767 #endif
768 #if TCG_TARGET_HAS_bswap32_i32
769 case INDEX_op_bswap32_i32:
770 t0 = *tb_ptr++;
771 t1 = tci_read_r32(&tb_ptr);
772 tci_write_reg32(t0, bswap32(t1));
773 break;
774 #endif
775 #if TCG_TARGET_HAS_not_i32
776 case INDEX_op_not_i32:
777 t0 = *tb_ptr++;
778 t1 = tci_read_r32(&tb_ptr);
779 tci_write_reg32(t0, ~t1);
780 break;
781 #endif
782 #if TCG_TARGET_HAS_neg_i32
783 case INDEX_op_neg_i32:
784 t0 = *tb_ptr++;
785 t1 = tci_read_r32(&tb_ptr);
786 tci_write_reg32(t0, -t1);
787 break;
788 #endif
789 #if TCG_TARGET_REG_BITS == 64
790 case INDEX_op_mov_i64:
791 t0 = *tb_ptr++;
792 t1 = tci_read_r64(&tb_ptr);
793 tci_write_reg64(t0, t1);
794 break;
795 case INDEX_op_movi_i64:
796 t0 = *tb_ptr++;
797 t1 = tci_read_i64(&tb_ptr);
798 tci_write_reg64(t0, t1);
799 break;
800
801 /* Load/store operations (64 bit). */
802
803 case INDEX_op_ld8u_i64:
804 t0 = *tb_ptr++;
805 t1 = tci_read_r(&tb_ptr);
806 t2 = tci_read_i32(&tb_ptr);
807 tci_write_reg8(t0, *(uint8_t *)(t1 + t2));
808 break;
809 case INDEX_op_ld8s_i64:
810 case INDEX_op_ld16u_i64:
811 case INDEX_op_ld16s_i64:
812 TODO();
813 break;
814 case INDEX_op_ld32u_i64:
815 t0 = *tb_ptr++;
816 t1 = tci_read_r(&tb_ptr);
817 t2 = tci_read_i32(&tb_ptr);
818 tci_write_reg32(t0, *(uint32_t *)(t1 + t2));
819 break;
820 case INDEX_op_ld32s_i64:
821 t0 = *tb_ptr++;
822 t1 = tci_read_r(&tb_ptr);
823 t2 = tci_read_i32(&tb_ptr);
824 tci_write_reg32s(t0, *(int32_t *)(t1 + t2));
825 break;
826 case INDEX_op_ld_i64:
827 t0 = *tb_ptr++;
828 t1 = tci_read_r(&tb_ptr);
829 t2 = tci_read_i32(&tb_ptr);
830 tci_write_reg64(t0, *(uint64_t *)(t1 + t2));
831 break;
832 case INDEX_op_st8_i64:
833 t0 = tci_read_r8(&tb_ptr);
834 t1 = tci_read_r(&tb_ptr);
835 t2 = tci_read_i32(&tb_ptr);
836 *(uint8_t *)(t1 + t2) = t0;
837 break;
838 case INDEX_op_st16_i64:
839 t0 = tci_read_r16(&tb_ptr);
840 t1 = tci_read_r(&tb_ptr);
841 t2 = tci_read_i32(&tb_ptr);
842 *(uint16_t *)(t1 + t2) = t0;
843 break;
844 case INDEX_op_st32_i64:
845 t0 = tci_read_r32(&tb_ptr);
846 t1 = tci_read_r(&tb_ptr);
847 t2 = tci_read_i32(&tb_ptr);
848 *(uint32_t *)(t1 + t2) = t0;
849 break;
850 case INDEX_op_st_i64:
851 t0 = tci_read_r64(&tb_ptr);
852 t1 = tci_read_r(&tb_ptr);
853 t2 = tci_read_i32(&tb_ptr);
854 *(uint64_t *)(t1 + t2) = t0;
855 break;
856
857 /* Arithmetic operations (64 bit). */
858
859 case INDEX_op_add_i64:
860 t0 = *tb_ptr++;
861 t1 = tci_read_ri64(&tb_ptr);
862 t2 = tci_read_ri64(&tb_ptr);
863 tci_write_reg64(t0, t1 + t2);
864 break;
865 case INDEX_op_sub_i64:
866 t0 = *tb_ptr++;
867 t1 = tci_read_ri64(&tb_ptr);
868 t2 = tci_read_ri64(&tb_ptr);
869 tci_write_reg64(t0, t1 - t2);
870 break;
871 case INDEX_op_mul_i64:
872 t0 = *tb_ptr++;
873 t1 = tci_read_ri64(&tb_ptr);
874 t2 = tci_read_ri64(&tb_ptr);
875 tci_write_reg64(t0, t1 * t2);
876 break;
877 #if TCG_TARGET_HAS_div_i64
878 case INDEX_op_div_i64:
879 case INDEX_op_divu_i64:
880 case INDEX_op_rem_i64:
881 case INDEX_op_remu_i64:
882 TODO();
883 break;
884 #elif TCG_TARGET_HAS_div2_i64
885 case INDEX_op_div2_i64:
886 case INDEX_op_divu2_i64:
887 TODO();
888 break;
889 #endif
890 case INDEX_op_and_i64:
891 t0 = *tb_ptr++;
892 t1 = tci_read_ri64(&tb_ptr);
893 t2 = tci_read_ri64(&tb_ptr);
894 tci_write_reg64(t0, t1 & t2);
895 break;
896 case INDEX_op_or_i64:
897 t0 = *tb_ptr++;
898 t1 = tci_read_ri64(&tb_ptr);
899 t2 = tci_read_ri64(&tb_ptr);
900 tci_write_reg64(t0, t1 | t2);
901 break;
902 case INDEX_op_xor_i64:
903 t0 = *tb_ptr++;
904 t1 = tci_read_ri64(&tb_ptr);
905 t2 = tci_read_ri64(&tb_ptr);
906 tci_write_reg64(t0, t1 ^ t2);
907 break;
908
909 /* Shift/rotate operations (64 bit). */
910
911 case INDEX_op_shl_i64:
912 t0 = *tb_ptr++;
913 t1 = tci_read_ri64(&tb_ptr);
914 t2 = tci_read_ri64(&tb_ptr);
915 tci_write_reg64(t0, t1 << t2);
916 break;
917 case INDEX_op_shr_i64:
918 t0 = *tb_ptr++;
919 t1 = tci_read_ri64(&tb_ptr);
920 t2 = tci_read_ri64(&tb_ptr);
921 tci_write_reg64(t0, t1 >> t2);
922 break;
923 case INDEX_op_sar_i64:
924 t0 = *tb_ptr++;
925 t1 = tci_read_ri64(&tb_ptr);
926 t2 = tci_read_ri64(&tb_ptr);
927 tci_write_reg64(t0, ((int64_t)t1 >> t2));
928 break;
929 #if TCG_TARGET_HAS_rot_i64
930 case INDEX_op_rotl_i64:
931 case INDEX_op_rotr_i64:
932 TODO();
933 break;
934 #endif
935 case INDEX_op_brcond_i64:
936 t0 = tci_read_r64(&tb_ptr);
937 t1 = tci_read_ri64(&tb_ptr);
938 condition = *tb_ptr++;
939 label = tci_read_label(&tb_ptr);
940 if (tci_compare64(t0, t1, condition)) {
941 assert(tb_ptr == old_code_ptr + op_size);
942 tb_ptr = (uint8_t *)label;
943 continue;
944 }
945 break;
946 #if TCG_TARGET_HAS_ext8u_i64
947 case INDEX_op_ext8u_i64:
948 t0 = *tb_ptr++;
949 t1 = tci_read_r8(&tb_ptr);
950 tci_write_reg64(t0, t1);
951 break;
952 #endif
953 #if TCG_TARGET_HAS_ext8s_i64
954 case INDEX_op_ext8s_i64:
955 t0 = *tb_ptr++;
956 t1 = tci_read_r8s(&tb_ptr);
957 tci_write_reg64(t0, t1);
958 break;
959 #endif
960 #if TCG_TARGET_HAS_ext16s_i64
961 case INDEX_op_ext16s_i64:
962 t0 = *tb_ptr++;
963 t1 = tci_read_r16s(&tb_ptr);
964 tci_write_reg64(t0, t1);
965 break;
966 #endif
967 #if TCG_TARGET_HAS_ext16u_i64
968 case INDEX_op_ext16u_i64:
969 t0 = *tb_ptr++;
970 t1 = tci_read_r16(&tb_ptr);
971 tci_write_reg64(t0, t1);
972 break;
973 #endif
974 #if TCG_TARGET_HAS_ext32s_i64
975 case INDEX_op_ext32s_i64:
976 t0 = *tb_ptr++;
977 t1 = tci_read_r32s(&tb_ptr);
978 tci_write_reg64(t0, t1);
979 break;
980 #endif
981 #if TCG_TARGET_HAS_ext32u_i64
982 case INDEX_op_ext32u_i64:
983 t0 = *tb_ptr++;
984 t1 = tci_read_r32(&tb_ptr);
985 tci_write_reg64(t0, t1);
986 break;
987 #endif
988 #if TCG_TARGET_HAS_bswap16_i64
989 case INDEX_op_bswap16_i64:
990 TODO();
991 t0 = *tb_ptr++;
992 t1 = tci_read_r16(&tb_ptr);
993 tci_write_reg64(t0, bswap16(t1));
994 break;
995 #endif
996 #if TCG_TARGET_HAS_bswap32_i64
997 case INDEX_op_bswap32_i64:
998 t0 = *tb_ptr++;
999 t1 = tci_read_r32(&tb_ptr);
1000 tci_write_reg64(t0, bswap32(t1));
1001 break;
1002 #endif
1003 #if TCG_TARGET_HAS_bswap64_i64
1004 case INDEX_op_bswap64_i64:
1005 t0 = *tb_ptr++;
1006 t1 = tci_read_r64(&tb_ptr);
1007 tci_write_reg64(t0, bswap64(t1));
1008 break;
1009 #endif
1010 #if TCG_TARGET_HAS_not_i64
1011 case INDEX_op_not_i64:
1012 t0 = *tb_ptr++;
1013 t1 = tci_read_r64(&tb_ptr);
1014 tci_write_reg64(t0, ~t1);
1015 break;
1016 #endif
1017 #if TCG_TARGET_HAS_neg_i64
1018 case INDEX_op_neg_i64:
1019 t0 = *tb_ptr++;
1020 t1 = tci_read_r64(&tb_ptr);
1021 tci_write_reg64(t0, -t1);
1022 break;
1023 #endif
1024 #endif /* TCG_TARGET_REG_BITS == 64 */
1025
1026 /* QEMU specific operations. */
1027
1028 #if TARGET_LONG_BITS > TCG_TARGET_REG_BITS
1029 case INDEX_op_debug_insn_start:
1030 TODO();
1031 break;
1032 #else
1033 case INDEX_op_debug_insn_start:
1034 TODO();
1035 break;
1036 #endif
1037 case INDEX_op_exit_tb:
1038 next_tb = *(uint64_t *)tb_ptr;
1039 goto exit;
1040 break;
1041 case INDEX_op_goto_tb:
1042 t0 = tci_read_i32(&tb_ptr);
1043 assert(tb_ptr == old_code_ptr + op_size);
1044 tb_ptr += (int32_t)t0;
1045 continue;
1046 case INDEX_op_qemu_ld8u:
1047 t0 = *tb_ptr++;
1048 taddr = tci_read_ulong(&tb_ptr);
1049 #ifdef CONFIG_SOFTMMU
1050 tmp8 = helper_ldb_mmu(env, taddr, tci_read_i(&tb_ptr));
1051 #else
1052 host_addr = (tcg_target_ulong)taddr;
1053 assert(taddr == host_addr);
1054 tmp8 = *(uint8_t *)(host_addr + GUEST_BASE);
1055 #endif
1056 tci_write_reg8(t0, tmp8);
1057 break;
1058 case INDEX_op_qemu_ld8s:
1059 t0 = *tb_ptr++;
1060 taddr = tci_read_ulong(&tb_ptr);
1061 #ifdef CONFIG_SOFTMMU
1062 tmp8 = helper_ldb_mmu(env, taddr, tci_read_i(&tb_ptr));
1063 #else
1064 host_addr = (tcg_target_ulong)taddr;
1065 assert(taddr == host_addr);
1066 tmp8 = *(uint8_t *)(host_addr + GUEST_BASE);
1067 #endif
1068 tci_write_reg8s(t0, tmp8);
1069 break;
1070 case INDEX_op_qemu_ld16u:
1071 t0 = *tb_ptr++;
1072 taddr = tci_read_ulong(&tb_ptr);
1073 #ifdef CONFIG_SOFTMMU
1074 tmp16 = helper_ldw_mmu(env, taddr, tci_read_i(&tb_ptr));
1075 #else
1076 host_addr = (tcg_target_ulong)taddr;
1077 assert(taddr == host_addr);
1078 tmp16 = tswap16(*(uint16_t *)(host_addr + GUEST_BASE));
1079 #endif
1080 tci_write_reg16(t0, tmp16);
1081 break;
1082 case INDEX_op_qemu_ld16s:
1083 t0 = *tb_ptr++;
1084 taddr = tci_read_ulong(&tb_ptr);
1085 #ifdef CONFIG_SOFTMMU
1086 tmp16 = helper_ldw_mmu(env, taddr, tci_read_i(&tb_ptr));
1087 #else
1088 host_addr = (tcg_target_ulong)taddr;
1089 assert(taddr == host_addr);
1090 tmp16 = tswap16(*(uint16_t *)(host_addr + GUEST_BASE));
1091 #endif
1092 tci_write_reg16s(t0, tmp16);
1093 break;
1094 #if TCG_TARGET_REG_BITS == 64
1095 case INDEX_op_qemu_ld32u:
1096 t0 = *tb_ptr++;
1097 taddr = tci_read_ulong(&tb_ptr);
1098 #ifdef CONFIG_SOFTMMU
1099 tmp32 = helper_ldl_mmu(env, taddr, tci_read_i(&tb_ptr));
1100 #else
1101 host_addr = (tcg_target_ulong)taddr;
1102 assert(taddr == host_addr);
1103 tmp32 = tswap32(*(uint32_t *)(host_addr + GUEST_BASE));
1104 #endif
1105 tci_write_reg32(t0, tmp32);
1106 break;
1107 case INDEX_op_qemu_ld32s:
1108 t0 = *tb_ptr++;
1109 taddr = tci_read_ulong(&tb_ptr);
1110 #ifdef CONFIG_SOFTMMU
1111 tmp32 = helper_ldl_mmu(env, taddr, tci_read_i(&tb_ptr));
1112 #else
1113 host_addr = (tcg_target_ulong)taddr;
1114 assert(taddr == host_addr);
1115 tmp32 = tswap32(*(uint32_t *)(host_addr + GUEST_BASE));
1116 #endif
1117 tci_write_reg32s(t0, tmp32);
1118 break;
1119 #endif /* TCG_TARGET_REG_BITS == 64 */
1120 case INDEX_op_qemu_ld32:
1121 t0 = *tb_ptr++;
1122 taddr = tci_read_ulong(&tb_ptr);
1123 #ifdef CONFIG_SOFTMMU
1124 tmp32 = helper_ldl_mmu(env, taddr, tci_read_i(&tb_ptr));
1125 #else
1126 host_addr = (tcg_target_ulong)taddr;
1127 assert(taddr == host_addr);
1128 tmp32 = tswap32(*(uint32_t *)(host_addr + GUEST_BASE));
1129 #endif
1130 tci_write_reg32(t0, tmp32);
1131 break;
1132 case INDEX_op_qemu_ld64:
1133 t0 = *tb_ptr++;
1134 #if TCG_TARGET_REG_BITS == 32
1135 t1 = *tb_ptr++;
1136 #endif
1137 taddr = tci_read_ulong(&tb_ptr);
1138 #ifdef CONFIG_SOFTMMU
1139 tmp64 = helper_ldq_mmu(env, taddr, tci_read_i(&tb_ptr));
1140 #else
1141 host_addr = (tcg_target_ulong)taddr;
1142 assert(taddr == host_addr);
1143 tmp64 = tswap64(*(uint64_t *)(host_addr + GUEST_BASE));
1144 #endif
1145 tci_write_reg(t0, tmp64);
1146 #if TCG_TARGET_REG_BITS == 32
1147 tci_write_reg(t1, tmp64 >> 32);
1148 #endif
1149 break;
1150 case INDEX_op_qemu_st8:
1151 t0 = tci_read_r8(&tb_ptr);
1152 taddr = tci_read_ulong(&tb_ptr);
1153 #ifdef CONFIG_SOFTMMU
1154 t2 = tci_read_i(&tb_ptr);
1155 helper_stb_mmu(env, taddr, t0, t2);
1156 #else
1157 host_addr = (tcg_target_ulong)taddr;
1158 assert(taddr == host_addr);
1159 *(uint8_t *)(host_addr + GUEST_BASE) = t0;
1160 #endif
1161 break;
1162 case INDEX_op_qemu_st16:
1163 t0 = tci_read_r16(&tb_ptr);
1164 taddr = tci_read_ulong(&tb_ptr);
1165 #ifdef CONFIG_SOFTMMU
1166 t2 = tci_read_i(&tb_ptr);
1167 helper_stw_mmu(env, taddr, t0, t2);
1168 #else
1169 host_addr = (tcg_target_ulong)taddr;
1170 assert(taddr == host_addr);
1171 *(uint16_t *)(host_addr + GUEST_BASE) = tswap16(t0);
1172 #endif
1173 break;
1174 case INDEX_op_qemu_st32:
1175 t0 = tci_read_r32(&tb_ptr);
1176 taddr = tci_read_ulong(&tb_ptr);
1177 #ifdef CONFIG_SOFTMMU
1178 t2 = tci_read_i(&tb_ptr);
1179 helper_stl_mmu(env, taddr, t0, t2);
1180 #else
1181 host_addr = (tcg_target_ulong)taddr;
1182 assert(taddr == host_addr);
1183 *(uint32_t *)(host_addr + GUEST_BASE) = tswap32(t0);
1184 #endif
1185 break;
1186 case INDEX_op_qemu_st64:
1187 tmp64 = tci_read_r64(&tb_ptr);
1188 taddr = tci_read_ulong(&tb_ptr);
1189 #ifdef CONFIG_SOFTMMU
1190 t2 = tci_read_i(&tb_ptr);
1191 helper_stq_mmu(env, taddr, tmp64, t2);
1192 #else
1193 host_addr = (tcg_target_ulong)taddr;
1194 assert(taddr == host_addr);
1195 *(uint64_t *)(host_addr + GUEST_BASE) = tswap64(tmp64);
1196 #endif
1197 break;
1198 default:
1199 TODO();
1200 break;
1201 }
1202 assert(tb_ptr == old_code_ptr + op_size);
1203 }
1204 exit:
1205 return next_tb;
1206 }
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