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4c9649a9 JM |
1 | /* |
2 | * Alpha emulation cpu translation for qemu. | |
5fafdf24 | 3 | * |
4c9649a9 JM |
4 | * Copyright (c) 2007 Jocelyn Mayer |
5 | * | |
6 | * This library is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2 of the License, or (at your option) any later version. | |
10 | * | |
11 | * This library is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with this library; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | ||
21 | #include <stdint.h> | |
22 | #include <stdlib.h> | |
23 | #include <stdio.h> | |
24 | ||
25 | #include "cpu.h" | |
26 | #include "exec-all.h" | |
27 | #include "disas.h" | |
28 | ||
29 | #define DO_SINGLE_STEP | |
30 | #define GENERATE_NOP | |
31 | #define ALPHA_DEBUG_DISAS | |
32 | #define DO_TB_FLUSH | |
33 | ||
34 | typedef struct DisasContext DisasContext; | |
35 | struct DisasContext { | |
36 | uint64_t pc; | |
37 | int mem_idx; | |
38 | #if !defined (CONFIG_USER_ONLY) | |
39 | int pal_mode; | |
40 | #endif | |
41 | uint32_t amask; | |
42 | }; | |
43 | ||
44 | #ifdef USE_DIRECT_JUMP | |
45 | #define TBPARAM(x) | |
46 | #else | |
47 | #define TBPARAM(x) (long)(x) | |
48 | #endif | |
49 | ||
50 | enum { | |
51 | #define DEF(s, n, copy_size) INDEX_op_ ## s, | |
52 | #include "opc.h" | |
53 | #undef DEF | |
54 | NB_OPS, | |
55 | }; | |
56 | ||
57 | static uint16_t *gen_opc_ptr; | |
58 | static uint32_t *gen_opparam_ptr; | |
59 | ||
60 | #include "gen-op.h" | |
61 | ||
62 | static inline void gen_op_nop (void) | |
63 | { | |
64 | #if defined(GENERATE_NOP) | |
65 | gen_op_no_op(); | |
66 | #endif | |
67 | } | |
68 | ||
69 | #define GEN32(func, NAME) \ | |
70 | static GenOpFunc *NAME ## _table [32] = { \ | |
71 | NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \ | |
72 | NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ | |
73 | NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ | |
74 | NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ | |
75 | NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \ | |
76 | NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \ | |
77 | NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \ | |
78 | NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \ | |
79 | }; \ | |
80 | static inline void func(int n) \ | |
81 | { \ | |
82 | NAME ## _table[n](); \ | |
83 | } | |
84 | ||
85 | /* IR moves */ | |
86 | /* Special hacks for ir31 */ | |
87 | #define gen_op_load_T0_ir31 gen_op_reset_T0 | |
88 | #define gen_op_load_T1_ir31 gen_op_reset_T1 | |
89 | #define gen_op_load_T2_ir31 gen_op_reset_T2 | |
90 | #define gen_op_store_T0_ir31 gen_op_nop | |
91 | #define gen_op_store_T1_ir31 gen_op_nop | |
92 | #define gen_op_store_T2_ir31 gen_op_nop | |
93 | #define gen_op_cmov_ir31 gen_op_nop | |
94 | GEN32(gen_op_load_T0_ir, gen_op_load_T0_ir); | |
95 | GEN32(gen_op_load_T1_ir, gen_op_load_T1_ir); | |
96 | GEN32(gen_op_load_T2_ir, gen_op_load_T2_ir); | |
97 | GEN32(gen_op_store_T0_ir, gen_op_store_T0_ir); | |
98 | GEN32(gen_op_store_T1_ir, gen_op_store_T1_ir); | |
99 | GEN32(gen_op_store_T2_ir, gen_op_store_T2_ir); | |
100 | GEN32(gen_op_cmov_ir, gen_op_cmov_ir); | |
101 | ||
102 | static inline void gen_load_ir (DisasContext *ctx, int irn, int Tn) | |
103 | { | |
104 | switch (Tn) { | |
105 | case 0: | |
106 | gen_op_load_T0_ir(irn); | |
107 | break; | |
108 | case 1: | |
109 | gen_op_load_T1_ir(irn); | |
110 | break; | |
111 | case 2: | |
112 | gen_op_load_T2_ir(irn); | |
113 | break; | |
114 | } | |
115 | } | |
116 | ||
117 | static inline void gen_store_ir (DisasContext *ctx, int irn, int Tn) | |
118 | { | |
119 | switch (Tn) { | |
120 | case 0: | |
121 | gen_op_store_T0_ir(irn); | |
122 | break; | |
123 | case 1: | |
124 | gen_op_store_T1_ir(irn); | |
125 | break; | |
126 | case 2: | |
127 | gen_op_store_T2_ir(irn); | |
128 | break; | |
129 | } | |
130 | } | |
131 | ||
132 | /* FIR moves */ | |
133 | /* Special hacks for fir31 */ | |
134 | #define gen_op_load_FT0_fir31 gen_op_reset_FT0 | |
135 | #define gen_op_load_FT1_fir31 gen_op_reset_FT1 | |
136 | #define gen_op_load_FT2_fir31 gen_op_reset_FT2 | |
137 | #define gen_op_store_FT0_fir31 gen_op_nop | |
138 | #define gen_op_store_FT1_fir31 gen_op_nop | |
139 | #define gen_op_store_FT2_fir31 gen_op_nop | |
140 | #define gen_op_cmov_fir31 gen_op_nop | |
141 | GEN32(gen_op_load_FT0_fir, gen_op_load_FT0_fir); | |
142 | GEN32(gen_op_load_FT1_fir, gen_op_load_FT1_fir); | |
143 | GEN32(gen_op_load_FT2_fir, gen_op_load_FT2_fir); | |
144 | GEN32(gen_op_store_FT0_fir, gen_op_store_FT0_fir); | |
145 | GEN32(gen_op_store_FT1_fir, gen_op_store_FT1_fir); | |
146 | GEN32(gen_op_store_FT2_fir, gen_op_store_FT2_fir); | |
147 | GEN32(gen_op_cmov_fir, gen_op_cmov_fir); | |
148 | ||
149 | static inline void gen_load_fir (DisasContext *ctx, int firn, int Tn) | |
150 | { | |
151 | switch (Tn) { | |
152 | case 0: | |
153 | gen_op_load_FT0_fir(firn); | |
154 | break; | |
155 | case 1: | |
156 | gen_op_load_FT1_fir(firn); | |
157 | break; | |
158 | case 2: | |
159 | gen_op_load_FT2_fir(firn); | |
160 | break; | |
161 | } | |
162 | } | |
163 | ||
164 | static inline void gen_store_fir (DisasContext *ctx, int firn, int Tn) | |
165 | { | |
166 | switch (Tn) { | |
167 | case 0: | |
168 | gen_op_store_FT0_fir(firn); | |
169 | break; | |
170 | case 1: | |
171 | gen_op_store_FT1_fir(firn); | |
172 | break; | |
173 | case 2: | |
174 | gen_op_store_FT2_fir(firn); | |
175 | break; | |
176 | } | |
177 | } | |
178 | ||
179 | /* Memory moves */ | |
180 | #if defined(CONFIG_USER_ONLY) | |
181 | #define OP_LD_TABLE(width) \ | |
182 | static GenOpFunc *gen_op_ld##width[] = { \ | |
183 | &gen_op_ld##width##_raw, \ | |
184 | } | |
185 | #define OP_ST_TABLE(width) \ | |
186 | static GenOpFunc *gen_op_st##width[] = { \ | |
187 | &gen_op_st##width##_raw, \ | |
188 | } | |
189 | #else | |
190 | #define OP_LD_TABLE(width) \ | |
191 | static GenOpFunc *gen_op_ld##width[] = { \ | |
192 | &gen_op_ld##width##_kernel, \ | |
193 | &gen_op_ld##width##_user, /* executive */ \ | |
194 | &gen_op_ld##width##_data, /* supervisor */ \ | |
195 | &gen_op_ld##width##_data, /* user */ \ | |
196 | } | |
197 | #define OP_ST_TABLE(width) \ | |
198 | static GenOpFunc *gen_op_st##width[] = { \ | |
199 | &gen_op_st##width##_kernel, \ | |
200 | &gen_op_st##width##_user, /* executive */ \ | |
201 | &gen_op_st##width##_data, /* supervisor */ \ | |
202 | &gen_op_st##width##_data, /* user */ \ | |
203 | } | |
204 | #endif | |
205 | ||
206 | #define GEN_LD(width) \ | |
207 | OP_LD_TABLE(width); \ | |
208 | static void gen_ld##width (DisasContext *ctx) \ | |
209 | { \ | |
210 | (*gen_op_ld##width[ctx->mem_idx])(); \ | |
211 | } | |
212 | ||
213 | #define GEN_ST(width) \ | |
214 | OP_ST_TABLE(width); \ | |
215 | static void gen_st##width (DisasContext *ctx) \ | |
216 | { \ | |
217 | (*gen_op_st##width[ctx->mem_idx])(); \ | |
218 | } | |
219 | ||
220 | GEN_LD(bu); | |
221 | GEN_ST(b); | |
222 | GEN_LD(wu); | |
223 | GEN_ST(w); | |
224 | GEN_LD(l); | |
225 | GEN_ST(l); | |
226 | GEN_LD(q); | |
227 | GEN_ST(q); | |
228 | GEN_LD(q_u); | |
229 | GEN_ST(q_u); | |
230 | GEN_LD(l_l); | |
231 | GEN_ST(l_c); | |
232 | GEN_LD(q_l); | |
233 | GEN_ST(q_c); | |
234 | ||
08ab123c | 235 | #if 0 /* currently unused */ |
4c9649a9 JM |
236 | GEN_LD(f); |
237 | GEN_ST(f); | |
238 | GEN_LD(g); | |
239 | GEN_ST(g); | |
08ab123c | 240 | #endif /* 0 */ |
4c9649a9 JM |
241 | GEN_LD(s); |
242 | GEN_ST(s); | |
243 | GEN_LD(t); | |
244 | GEN_ST(t); | |
245 | ||
246 | #if defined(__i386__) || defined(__x86_64__) | |
247 | static inline void gen_op_set_s16_T0 (int16_t imm) | |
248 | { | |
249 | gen_op_set_s32_T0((int32_t)imm); | |
250 | } | |
251 | ||
252 | static inline void gen_op_set_s16_T1 (int16_t imm) | |
253 | { | |
254 | gen_op_set_s32_T1((int32_t)imm); | |
255 | } | |
256 | ||
257 | static inline void gen_op_set_u16_T0 (uint16_t imm) | |
258 | { | |
259 | gen_op_set_s32_T0((uint32_t)imm); | |
260 | } | |
261 | ||
262 | static inline void gen_op_set_u16_T1 (uint16_t imm) | |
263 | { | |
264 | gen_op_set_s32_T1((uint32_t)imm); | |
265 | } | |
266 | #endif | |
267 | ||
268 | static inline void gen_set_sT0 (DisasContext *ctx, int64_t imm) | |
269 | { | |
270 | int32_t imm32; | |
271 | int16_t imm16; | |
272 | ||
273 | imm32 = imm; | |
274 | if (imm32 == imm) { | |
275 | imm16 = imm; | |
276 | if (imm16 == imm) { | |
277 | if (imm == 0) { | |
278 | gen_op_reset_T0(); | |
279 | } else { | |
280 | gen_op_set_s16_T0(imm16); | |
281 | } | |
282 | } else { | |
283 | gen_op_set_s32_T0(imm32); | |
284 | } | |
285 | } else { | |
286 | #if 0 // Qemu does not know how to do this... | |
287 | gen_op_set_64_T0(imm); | |
288 | #else | |
289 | gen_op_set_64_T0(imm >> 32, imm); | |
290 | #endif | |
291 | } | |
292 | } | |
293 | ||
294 | static inline void gen_set_sT1 (DisasContext *ctx, int64_t imm) | |
295 | { | |
296 | int32_t imm32; | |
297 | int16_t imm16; | |
298 | ||
299 | imm32 = imm; | |
300 | if (imm32 == imm) { | |
301 | imm16 = imm; | |
302 | if (imm16 == imm) { | |
303 | if (imm == 0) { | |
304 | gen_op_reset_T1(); | |
305 | } else { | |
306 | gen_op_set_s16_T1(imm16); | |
307 | } | |
308 | } else { | |
309 | gen_op_set_s32_T1(imm32); | |
310 | } | |
311 | } else { | |
312 | #if 0 // Qemu does not know how to do this... | |
313 | gen_op_set_64_T1(imm); | |
314 | #else | |
315 | gen_op_set_64_T1(imm >> 32, imm); | |
316 | #endif | |
317 | } | |
318 | } | |
319 | ||
320 | static inline void gen_set_uT0 (DisasContext *ctx, uint64_t imm) | |
321 | { | |
322 | if (!(imm >> 32)) { | |
323 | if ((!imm >> 16)) { | |
324 | if (imm == 0) | |
325 | gen_op_reset_T0(); | |
326 | else | |
327 | gen_op_set_u16_T0(imm); | |
328 | } else { | |
329 | gen_op_set_u32_T0(imm); | |
330 | } | |
331 | } else { | |
332 | #if 0 // Qemu does not know how to do this... | |
333 | gen_op_set_64_T0(imm); | |
334 | #else | |
335 | gen_op_set_64_T0(imm >> 32, imm); | |
336 | #endif | |
337 | } | |
338 | } | |
339 | ||
340 | static inline void gen_set_uT1 (DisasContext *ctx, uint64_t imm) | |
341 | { | |
342 | if (!(imm >> 32)) { | |
343 | if ((!imm >> 16)) { | |
344 | if (imm == 0) | |
345 | gen_op_reset_T1(); | |
346 | else | |
347 | gen_op_set_u16_T1(imm); | |
348 | } else { | |
349 | gen_op_set_u32_T1(imm); | |
350 | } | |
351 | } else { | |
352 | #if 0 // Qemu does not know how to do this... | |
353 | gen_op_set_64_T1(imm); | |
354 | #else | |
355 | gen_op_set_64_T1(imm >> 32, imm); | |
356 | #endif | |
357 | } | |
358 | } | |
359 | ||
360 | static inline void gen_update_pc (DisasContext *ctx) | |
361 | { | |
362 | if (!(ctx->pc >> 32)) { | |
363 | gen_op_update_pc32(ctx->pc); | |
364 | } else { | |
365 | #if 0 // Qemu does not know how to do this... | |
366 | gen_op_update_pc(ctx->pc); | |
367 | #else | |
368 | gen_op_update_pc(ctx->pc >> 32, ctx->pc); | |
369 | #endif | |
370 | } | |
371 | } | |
372 | ||
373 | static inline void _gen_op_bcond (DisasContext *ctx) | |
374 | { | |
375 | #if 0 // Qemu does not know how to do this... | |
376 | gen_op_bcond(ctx->pc); | |
377 | #else | |
378 | gen_op_bcond(ctx->pc >> 32, ctx->pc); | |
379 | #endif | |
380 | } | |
381 | ||
382 | static inline void gen_excp (DisasContext *ctx, int exception, int error_code) | |
383 | { | |
384 | gen_update_pc(ctx); | |
385 | gen_op_excp(exception, error_code); | |
386 | } | |
387 | ||
388 | static inline void gen_invalid (DisasContext *ctx) | |
389 | { | |
390 | gen_excp(ctx, EXCP_OPCDEC, 0); | |
391 | } | |
392 | ||
393 | static void gen_load_mem (DisasContext *ctx, | |
394 | void (*gen_load_op)(DisasContext *ctx), | |
395 | int ra, int rb, int32_t disp16, int clear) | |
396 | { | |
397 | if (ra == 31 && disp16 == 0) { | |
398 | /* UNOP */ | |
399 | gen_op_nop(); | |
400 | } else { | |
401 | gen_load_ir(ctx, rb, 0); | |
402 | if (disp16 != 0) { | |
403 | gen_set_sT1(ctx, disp16); | |
404 | gen_op_addq(); | |
405 | } | |
406 | if (clear) | |
407 | gen_op_n7(); | |
408 | (*gen_load_op)(ctx); | |
409 | gen_store_ir(ctx, ra, 1); | |
410 | } | |
411 | } | |
412 | ||
413 | static void gen_store_mem (DisasContext *ctx, | |
414 | void (*gen_store_op)(DisasContext *ctx), | |
415 | int ra, int rb, int32_t disp16, int clear) | |
416 | { | |
417 | gen_load_ir(ctx, rb, 0); | |
418 | if (disp16 != 0) { | |
419 | gen_set_sT1(ctx, disp16); | |
420 | gen_op_addq(); | |
421 | } | |
422 | if (clear) | |
423 | gen_op_n7(); | |
424 | gen_load_ir(ctx, ra, 1); | |
425 | (*gen_store_op)(ctx); | |
426 | } | |
427 | ||
428 | static void gen_load_fmem (DisasContext *ctx, | |
429 | void (*gen_load_fop)(DisasContext *ctx), | |
430 | int ra, int rb, int32_t disp16) | |
431 | { | |
432 | gen_load_ir(ctx, rb, 0); | |
433 | if (disp16 != 0) { | |
434 | gen_set_sT1(ctx, disp16); | |
435 | gen_op_addq(); | |
436 | } | |
437 | (*gen_load_fop)(ctx); | |
438 | gen_store_fir(ctx, ra, 1); | |
439 | } | |
440 | ||
441 | static void gen_store_fmem (DisasContext *ctx, | |
442 | void (*gen_store_fop)(DisasContext *ctx), | |
443 | int ra, int rb, int32_t disp16) | |
444 | { | |
445 | gen_load_ir(ctx, rb, 0); | |
446 | if (disp16 != 0) { | |
447 | gen_set_sT1(ctx, disp16); | |
448 | gen_op_addq(); | |
449 | } | |
450 | gen_load_fir(ctx, ra, 1); | |
451 | (*gen_store_fop)(ctx); | |
452 | } | |
453 | ||
454 | static void gen_bcond (DisasContext *ctx, void (*gen_test_op)(void), | |
455 | int ra, int32_t disp16) | |
456 | { | |
457 | if (disp16 != 0) { | |
458 | gen_set_uT0(ctx, ctx->pc); | |
459 | gen_set_sT1(ctx, disp16 << 2); | |
460 | gen_op_addq1(); | |
461 | } else { | |
462 | gen_set_uT1(ctx, ctx->pc); | |
463 | } | |
464 | gen_load_ir(ctx, ra, 0); | |
465 | (*gen_test_op)(); | |
466 | _gen_op_bcond(ctx); | |
467 | } | |
468 | ||
469 | static void gen_fbcond (DisasContext *ctx, void (*gen_test_op)(void), | |
470 | int ra, int32_t disp16) | |
471 | { | |
472 | if (disp16 != 0) { | |
473 | gen_set_uT0(ctx, ctx->pc); | |
474 | gen_set_sT1(ctx, disp16 << 2); | |
475 | gen_op_addq1(); | |
476 | } else { | |
477 | gen_set_uT1(ctx, ctx->pc); | |
478 | } | |
479 | gen_load_fir(ctx, ra, 0); | |
480 | (*gen_test_op)(); | |
481 | _gen_op_bcond(ctx); | |
482 | } | |
483 | ||
484 | static void gen_arith2 (DisasContext *ctx, void (*gen_arith_op)(void), | |
485 | int rb, int rc, int islit, int8_t lit) | |
486 | { | |
487 | if (islit) | |
488 | gen_set_sT0(ctx, lit); | |
489 | else | |
490 | gen_load_ir(ctx, rb, 0); | |
491 | (*gen_arith_op)(); | |
492 | gen_store_ir(ctx, rc, 0); | |
493 | } | |
494 | ||
495 | static void gen_arith3 (DisasContext *ctx, void (*gen_arith_op)(void), | |
496 | int ra, int rb, int rc, int islit, int8_t lit) | |
497 | { | |
498 | gen_load_ir(ctx, ra, 0); | |
499 | if (islit) | |
500 | gen_set_sT1(ctx, lit); | |
501 | else | |
502 | gen_load_ir(ctx, rb, 1); | |
503 | (*gen_arith_op)(); | |
504 | gen_store_ir(ctx, rc, 0); | |
505 | } | |
506 | ||
507 | static void gen_cmov (DisasContext *ctx, void (*gen_test_op)(void), | |
508 | int ra, int rb, int rc, int islit, int8_t lit) | |
509 | { | |
510 | gen_load_ir(ctx, ra, 1); | |
511 | if (islit) | |
512 | gen_set_sT0(ctx, lit); | |
513 | else | |
514 | gen_load_ir(ctx, rb, 0); | |
515 | (*gen_test_op)(); | |
516 | gen_op_cmov_ir(rc); | |
517 | } | |
518 | ||
519 | static void gen_farith2 (DisasContext *ctx, void (*gen_arith_fop)(void), | |
520 | int rb, int rc) | |
521 | { | |
522 | gen_load_fir(ctx, rb, 0); | |
523 | (*gen_arith_fop)(); | |
524 | gen_store_fir(ctx, rc, 0); | |
525 | } | |
526 | ||
527 | static void gen_farith3 (DisasContext *ctx, void (*gen_arith_fop)(void), | |
528 | int ra, int rb, int rc) | |
529 | { | |
530 | gen_load_fir(ctx, ra, 0); | |
531 | gen_load_fir(ctx, rb, 1); | |
532 | (*gen_arith_fop)(); | |
533 | gen_store_fir(ctx, rc, 0); | |
534 | } | |
535 | ||
536 | static void gen_fcmov (DisasContext *ctx, void (*gen_test_fop)(void), | |
537 | int ra, int rb, int rc) | |
538 | { | |
539 | gen_load_fir(ctx, ra, 0); | |
540 | gen_load_fir(ctx, rb, 1); | |
541 | (*gen_test_fop)(); | |
542 | gen_op_cmov_fir(rc); | |
543 | } | |
544 | ||
545 | static void gen_fti (DisasContext *ctx, void (*gen_move_fop)(void), | |
546 | int ra, int rc) | |
547 | { | |
548 | gen_load_fir(ctx, rc, 0); | |
549 | (*gen_move_fop)(); | |
550 | gen_store_ir(ctx, ra, 0); | |
551 | } | |
552 | ||
553 | static void gen_itf (DisasContext *ctx, void (*gen_move_fop)(void), | |
554 | int ra, int rc) | |
555 | { | |
556 | gen_load_ir(ctx, ra, 0); | |
557 | (*gen_move_fop)(); | |
558 | gen_store_fir(ctx, rc, 0); | |
559 | } | |
560 | ||
561 | static void gen_s4addl (void) | |
562 | { | |
563 | gen_op_s4(); | |
564 | gen_op_addl(); | |
5fafdf24 | 565 | } |
4c9649a9 JM |
566 | |
567 | static void gen_s4subl (void) | |
568 | { | |
569 | gen_op_s4(); | |
570 | gen_op_subl(); | |
5fafdf24 | 571 | } |
4c9649a9 JM |
572 | |
573 | static void gen_s8addl (void) | |
574 | { | |
575 | gen_op_s8(); | |
576 | gen_op_addl(); | |
5fafdf24 | 577 | } |
4c9649a9 JM |
578 | |
579 | static void gen_s8subl (void) | |
580 | { | |
581 | gen_op_s8(); | |
582 | gen_op_subl(); | |
5fafdf24 | 583 | } |
4c9649a9 JM |
584 | |
585 | static void gen_s4addq (void) | |
586 | { | |
587 | gen_op_s4(); | |
588 | gen_op_addq(); | |
5fafdf24 | 589 | } |
4c9649a9 JM |
590 | |
591 | static void gen_s4subq (void) | |
592 | { | |
593 | gen_op_s4(); | |
594 | gen_op_subq(); | |
5fafdf24 | 595 | } |
4c9649a9 JM |
596 | |
597 | static void gen_s8addq (void) | |
598 | { | |
599 | gen_op_s8(); | |
600 | gen_op_addq(); | |
5fafdf24 | 601 | } |
4c9649a9 JM |
602 | |
603 | static void gen_s8subq (void) | |
604 | { | |
605 | gen_op_s8(); | |
606 | gen_op_subq(); | |
5fafdf24 | 607 | } |
4c9649a9 JM |
608 | |
609 | static void gen_amask (void) | |
610 | { | |
611 | gen_op_load_amask(); | |
612 | gen_op_bic(); | |
613 | } | |
614 | ||
615 | static int translate_one (DisasContext *ctx, uint32_t insn) | |
616 | { | |
617 | uint32_t palcode; | |
618 | int32_t disp21, disp16, disp12; | |
619 | uint16_t fn11, fn16; | |
620 | uint8_t opc, ra, rb, rc, sbz, fpfn, fn7, fn2, islit; | |
621 | int8_t lit; | |
622 | int ret; | |
623 | ||
624 | /* Decode all instruction fields */ | |
625 | opc = insn >> 26; | |
626 | ra = (insn >> 21) & 0x1F; | |
627 | rb = (insn >> 16) & 0x1F; | |
628 | rc = insn & 0x1F; | |
629 | sbz = (insn >> 13) & 0x07; | |
630 | islit = (insn >> 12) & 1; | |
631 | lit = (insn >> 13) & 0xFF; | |
632 | palcode = insn & 0x03FFFFFF; | |
633 | disp21 = ((int32_t)((insn & 0x001FFFFF) << 11)) >> 11; | |
634 | disp16 = (int16_t)(insn & 0x0000FFFF); | |
635 | disp12 = (int32_t)((insn & 0x00000FFF) << 20) >> 20; | |
636 | fn16 = insn & 0x0000FFFF; | |
637 | fn11 = (insn >> 5) & 0x000007FF; | |
638 | fpfn = fn11 & 0x3F; | |
639 | fn7 = (insn >> 5) & 0x0000007F; | |
640 | fn2 = (insn >> 5) & 0x00000003; | |
641 | ret = 0; | |
642 | #if defined ALPHA_DEBUG_DISAS | |
643 | if (logfile != NULL) { | |
644 | fprintf(logfile, "opc %02x ra %d rb %d rc %d disp16 %04x\n", | |
645 | opc, ra, rb, rc, disp16); | |
646 | } | |
647 | #endif | |
648 | switch (opc) { | |
649 | case 0x00: | |
650 | /* CALL_PAL */ | |
651 | if (palcode >= 0x80 && palcode < 0xC0) { | |
652 | /* Unprivileged PAL call */ | |
653 | gen_excp(ctx, EXCP_CALL_PAL + ((palcode & 0x1F) << 6), 0); | |
654 | #if !defined (CONFIG_USER_ONLY) | |
655 | } else if (palcode < 0x40) { | |
656 | /* Privileged PAL code */ | |
657 | if (ctx->mem_idx & 1) | |
658 | goto invalid_opc; | |
659 | else | |
660 | gen_excp(ctx, EXCP_CALL_PALP + ((palcode & 0x1F) << 6), 0); | |
661 | #endif | |
662 | } else { | |
663 | /* Invalid PAL call */ | |
664 | goto invalid_opc; | |
665 | } | |
666 | ret = 3; | |
667 | break; | |
668 | case 0x01: | |
669 | /* OPC01 */ | |
670 | goto invalid_opc; | |
671 | case 0x02: | |
672 | /* OPC02 */ | |
673 | goto invalid_opc; | |
674 | case 0x03: | |
675 | /* OPC03 */ | |
676 | goto invalid_opc; | |
677 | case 0x04: | |
678 | /* OPC04 */ | |
679 | goto invalid_opc; | |
680 | case 0x05: | |
681 | /* OPC05 */ | |
682 | goto invalid_opc; | |
683 | case 0x06: | |
684 | /* OPC06 */ | |
685 | goto invalid_opc; | |
686 | case 0x07: | |
687 | /* OPC07 */ | |
688 | goto invalid_opc; | |
689 | case 0x08: | |
690 | /* LDA */ | |
691 | gen_load_ir(ctx, rb, 0); | |
692 | gen_set_sT1(ctx, disp16); | |
693 | gen_op_addq(); | |
694 | gen_store_ir(ctx, ra, 0); | |
695 | break; | |
696 | case 0x09: | |
697 | /* LDAH */ | |
698 | gen_load_ir(ctx, rb, 0); | |
699 | gen_set_sT1(ctx, disp16 << 16); | |
700 | gen_op_addq(); | |
701 | gen_store_ir(ctx, ra, 0); | |
702 | break; | |
703 | case 0x0A: | |
704 | /* LDBU */ | |
705 | if (!(ctx->amask & AMASK_BWX)) | |
706 | goto invalid_opc; | |
707 | gen_load_mem(ctx, &gen_ldbu, ra, rb, disp16, 0); | |
708 | break; | |
709 | case 0x0B: | |
710 | /* LDQ_U */ | |
711 | gen_load_mem(ctx, &gen_ldq_u, ra, rb, disp16, 1); | |
712 | break; | |
713 | case 0x0C: | |
714 | /* LDWU */ | |
715 | if (!(ctx->amask & AMASK_BWX)) | |
716 | goto invalid_opc; | |
717 | gen_load_mem(ctx, &gen_ldwu, ra, rb, disp16, 0); | |
718 | break; | |
719 | case 0x0D: | |
720 | /* STW */ | |
721 | if (!(ctx->amask & AMASK_BWX)) | |
722 | goto invalid_opc; | |
723 | gen_store_mem(ctx, &gen_stw, ra, rb, disp16, 0); | |
724 | break; | |
725 | case 0x0E: | |
726 | /* STB */ | |
727 | if (!(ctx->amask & AMASK_BWX)) | |
728 | goto invalid_opc; | |
729 | gen_store_mem(ctx, &gen_stb, ra, rb, disp16, 0); | |
730 | break; | |
731 | case 0x0F: | |
732 | /* STQ_U */ | |
733 | gen_store_mem(ctx, &gen_stq_u, ra, rb, disp16, 1); | |
734 | break; | |
735 | case 0x10: | |
736 | switch (fn7) { | |
737 | case 0x00: | |
738 | /* ADDL */ | |
739 | gen_arith3(ctx, &gen_op_addl, ra, rb, rc, islit, lit); | |
740 | break; | |
741 | case 0x02: | |
742 | /* S4ADDL */ | |
743 | gen_arith3(ctx, &gen_s4addl, ra, rb, rc, islit, lit); | |
744 | break; | |
745 | case 0x09: | |
746 | /* SUBL */ | |
747 | gen_arith3(ctx, &gen_op_subl, ra, rb, rc, islit, lit); | |
748 | break; | |
749 | case 0x0B: | |
750 | /* S4SUBL */ | |
751 | gen_arith3(ctx, &gen_s4subl, ra, rb, rc, islit, lit); | |
752 | break; | |
753 | case 0x0F: | |
754 | /* CMPBGE */ | |
755 | gen_arith3(ctx, &gen_op_cmpbge, ra, rb, rc, islit, lit); | |
756 | break; | |
757 | case 0x12: | |
758 | /* S8ADDL */ | |
759 | gen_arith3(ctx, &gen_s8addl, ra, rb, rc, islit, lit); | |
760 | break; | |
761 | case 0x1B: | |
762 | /* S8SUBL */ | |
763 | gen_arith3(ctx, &gen_s8subl, ra, rb, rc, islit, lit); | |
764 | break; | |
765 | case 0x1D: | |
766 | /* CMPULT */ | |
767 | gen_arith3(ctx, &gen_op_cmpult, ra, rb, rc, islit, lit); | |
768 | break; | |
769 | case 0x20: | |
770 | /* ADDQ */ | |
771 | gen_arith3(ctx, &gen_op_addq, ra, rb, rc, islit, lit); | |
772 | break; | |
773 | case 0x22: | |
774 | /* S4ADDQ */ | |
775 | gen_arith3(ctx, &gen_s4addq, ra, rb, rc, islit, lit); | |
776 | break; | |
777 | case 0x29: | |
778 | /* SUBQ */ | |
779 | gen_arith3(ctx, &gen_op_subq, ra, rb, rc, islit, lit); | |
780 | break; | |
781 | case 0x2B: | |
782 | /* S4SUBQ */ | |
783 | gen_arith3(ctx, &gen_s4subq, ra, rb, rc, islit, lit); | |
784 | break; | |
785 | case 0x2D: | |
786 | /* CMPEQ */ | |
787 | gen_arith3(ctx, &gen_op_cmpeq, ra, rb, rc, islit, lit); | |
788 | break; | |
789 | case 0x32: | |
790 | /* S8ADDQ */ | |
791 | gen_arith3(ctx, &gen_s8addq, ra, rb, rc, islit, lit); | |
792 | break; | |
793 | case 0x3B: | |
794 | /* S8SUBQ */ | |
795 | gen_arith3(ctx, &gen_s8subq, ra, rb, rc, islit, lit); | |
796 | break; | |
797 | case 0x3D: | |
798 | /* CMPULE */ | |
799 | gen_arith3(ctx, &gen_op_cmpule, ra, rb, rc, islit, lit); | |
800 | break; | |
801 | case 0x40: | |
802 | /* ADDL/V */ | |
803 | gen_arith3(ctx, &gen_op_addlv, ra, rb, rc, islit, lit); | |
804 | break; | |
805 | case 0x49: | |
806 | /* SUBL/V */ | |
807 | gen_arith3(ctx, &gen_op_sublv, ra, rb, rc, islit, lit); | |
808 | break; | |
809 | case 0x4D: | |
810 | /* CMPLT */ | |
811 | gen_arith3(ctx, &gen_op_cmplt, ra, rb, rc, islit, lit); | |
812 | break; | |
813 | case 0x60: | |
814 | /* ADDQ/V */ | |
815 | gen_arith3(ctx, &gen_op_addqv, ra, rb, rc, islit, lit); | |
816 | break; | |
817 | case 0x69: | |
818 | /* SUBQ/V */ | |
819 | gen_arith3(ctx, &gen_op_subqv, ra, rb, rc, islit, lit); | |
820 | break; | |
821 | case 0x6D: | |
822 | /* CMPLE */ | |
823 | gen_arith3(ctx, &gen_op_cmple, ra, rb, rc, islit, lit); | |
824 | break; | |
825 | default: | |
826 | goto invalid_opc; | |
827 | } | |
828 | break; | |
829 | case 0x11: | |
830 | switch (fn7) { | |
831 | case 0x00: | |
832 | /* AND */ | |
833 | gen_arith3(ctx, &gen_op_and, ra, rb, rc, islit, lit); | |
834 | break; | |
835 | case 0x08: | |
836 | /* BIC */ | |
837 | gen_arith3(ctx, &gen_op_bic, ra, rb, rc, islit, lit); | |
838 | break; | |
839 | case 0x14: | |
840 | /* CMOVLBS */ | |
841 | gen_cmov(ctx, &gen_op_cmplbs, ra, rb, rc, islit, lit); | |
842 | break; | |
843 | case 0x16: | |
844 | /* CMOVLBC */ | |
845 | gen_cmov(ctx, &gen_op_cmplbc, ra, rb, rc, islit, lit); | |
846 | break; | |
847 | case 0x20: | |
848 | /* BIS */ | |
849 | if (ra == rb || ra == 31 || rb == 31) { | |
850 | if (ra == 31 && rc == 31) { | |
851 | /* NOP */ | |
852 | gen_op_nop(); | |
853 | } else { | |
854 | /* MOV */ | |
855 | gen_load_ir(ctx, rb, 0); | |
856 | gen_store_ir(ctx, rc, 0); | |
857 | } | |
858 | } else { | |
859 | gen_arith3(ctx, &gen_op_bis, ra, rb, rc, islit, lit); | |
860 | } | |
861 | break; | |
862 | case 0x24: | |
863 | /* CMOVEQ */ | |
864 | gen_cmov(ctx, &gen_op_cmpeqz, ra, rb, rc, islit, lit); | |
865 | break; | |
866 | case 0x26: | |
867 | /* CMOVNE */ | |
868 | gen_cmov(ctx, &gen_op_cmpnez, ra, rb, rc, islit, lit); | |
869 | break; | |
870 | case 0x28: | |
871 | /* ORNOT */ | |
872 | gen_arith3(ctx, &gen_op_ornot, ra, rb, rc, islit, lit); | |
873 | break; | |
874 | case 0x40: | |
875 | /* XOR */ | |
876 | gen_arith3(ctx, &gen_op_xor, ra, rb, rc, islit, lit); | |
877 | break; | |
878 | case 0x44: | |
879 | /* CMOVLT */ | |
880 | gen_cmov(ctx, &gen_op_cmpltz, ra, rb, rc, islit, lit); | |
881 | break; | |
882 | case 0x46: | |
883 | /* CMOVGE */ | |
884 | gen_cmov(ctx, &gen_op_cmpgez, ra, rb, rc, islit, lit); | |
885 | break; | |
886 | case 0x48: | |
887 | /* EQV */ | |
888 | gen_arith3(ctx, &gen_op_eqv, ra, rb, rc, islit, lit); | |
889 | break; | |
890 | case 0x61: | |
891 | /* AMASK */ | |
892 | gen_arith2(ctx, &gen_amask, rb, rc, islit, lit); | |
893 | break; | |
894 | case 0x64: | |
895 | /* CMOVLE */ | |
896 | gen_cmov(ctx, &gen_op_cmplez, ra, rb, rc, islit, lit); | |
897 | break; | |
898 | case 0x66: | |
899 | /* CMOVGT */ | |
900 | gen_cmov(ctx, &gen_op_cmpgtz, ra, rb, rc, islit, lit); | |
901 | break; | |
902 | case 0x6C: | |
903 | /* IMPLVER */ | |
904 | gen_op_load_implver(); | |
905 | gen_store_ir(ctx, rc, 0); | |
906 | break; | |
907 | default: | |
908 | goto invalid_opc; | |
909 | } | |
910 | break; | |
911 | case 0x12: | |
912 | switch (fn7) { | |
913 | case 0x02: | |
914 | /* MSKBL */ | |
915 | gen_arith3(ctx, &gen_op_mskbl, ra, rb, rc, islit, lit); | |
916 | break; | |
917 | case 0x06: | |
918 | /* EXTBL */ | |
919 | gen_arith3(ctx, &gen_op_extbl, ra, rb, rc, islit, lit); | |
920 | break; | |
921 | case 0x0B: | |
922 | /* INSBL */ | |
923 | gen_arith3(ctx, &gen_op_insbl, ra, rb, rc, islit, lit); | |
924 | break; | |
925 | case 0x12: | |
926 | /* MSKWL */ | |
927 | gen_arith3(ctx, &gen_op_mskwl, ra, rb, rc, islit, lit); | |
928 | break; | |
929 | case 0x16: | |
930 | /* EXTWL */ | |
931 | gen_arith3(ctx, &gen_op_extwl, ra, rb, rc, islit, lit); | |
932 | break; | |
933 | case 0x1B: | |
934 | /* INSWL */ | |
935 | gen_arith3(ctx, &gen_op_inswl, ra, rb, rc, islit, lit); | |
936 | break; | |
937 | case 0x22: | |
938 | /* MSKLL */ | |
939 | gen_arith3(ctx, &gen_op_mskll, ra, rb, rc, islit, lit); | |
940 | break; | |
941 | case 0x26: | |
942 | /* EXTLL */ | |
943 | gen_arith3(ctx, &gen_op_extll, ra, rb, rc, islit, lit); | |
944 | break; | |
945 | case 0x2B: | |
946 | /* INSLL */ | |
947 | gen_arith3(ctx, &gen_op_insll, ra, rb, rc, islit, lit); | |
948 | break; | |
949 | case 0x30: | |
950 | /* ZAP */ | |
951 | gen_arith3(ctx, &gen_op_zap, ra, rb, rc, islit, lit); | |
952 | break; | |
953 | case 0x31: | |
954 | /* ZAPNOT */ | |
955 | gen_arith3(ctx, &gen_op_zapnot, ra, rb, rc, islit, lit); | |
956 | break; | |
957 | case 0x32: | |
958 | /* MSKQL */ | |
959 | gen_arith3(ctx, &gen_op_mskql, ra, rb, rc, islit, lit); | |
960 | break; | |
961 | case 0x34: | |
962 | /* SRL */ | |
963 | gen_arith3(ctx, &gen_op_srl, ra, rb, rc, islit, lit); | |
964 | break; | |
965 | case 0x36: | |
966 | /* EXTQL */ | |
967 | gen_arith3(ctx, &gen_op_extql, ra, rb, rc, islit, lit); | |
968 | break; | |
969 | case 0x39: | |
970 | /* SLL */ | |
971 | gen_arith3(ctx, &gen_op_sll, ra, rb, rc, islit, lit); | |
972 | break; | |
973 | case 0x3B: | |
974 | /* INSQL */ | |
975 | gen_arith3(ctx, &gen_op_insql, ra, rb, rc, islit, lit); | |
976 | break; | |
977 | case 0x3C: | |
978 | /* SRA */ | |
979 | gen_arith3(ctx, &gen_op_sra, ra, rb, rc, islit, lit); | |
980 | break; | |
981 | case 0x52: | |
982 | /* MSKWH */ | |
983 | gen_arith3(ctx, &gen_op_mskwh, ra, rb, rc, islit, lit); | |
984 | break; | |
985 | case 0x57: | |
986 | /* INSWH */ | |
987 | gen_arith3(ctx, &gen_op_inswh, ra, rb, rc, islit, lit); | |
988 | break; | |
989 | case 0x5A: | |
990 | /* EXTWH */ | |
991 | gen_arith3(ctx, &gen_op_extwh, ra, rb, rc, islit, lit); | |
992 | break; | |
993 | case 0x62: | |
994 | /* MSKLH */ | |
995 | gen_arith3(ctx, &gen_op_msklh, ra, rb, rc, islit, lit); | |
996 | break; | |
997 | case 0x67: | |
998 | /* INSLH */ | |
999 | gen_arith3(ctx, &gen_op_inslh, ra, rb, rc, islit, lit); | |
1000 | break; | |
1001 | case 0x6A: | |
1002 | /* EXTLH */ | |
1003 | gen_arith3(ctx, &gen_op_extlh, ra, rb, rc, islit, lit); | |
1004 | break; | |
1005 | case 0x72: | |
1006 | /* MSKQH */ | |
1007 | gen_arith3(ctx, &gen_op_mskqh, ra, rb, rc, islit, lit); | |
1008 | break; | |
1009 | case 0x77: | |
1010 | /* INSQH */ | |
1011 | gen_arith3(ctx, &gen_op_insqh, ra, rb, rc, islit, lit); | |
1012 | break; | |
1013 | case 0x7A: | |
1014 | /* EXTQH */ | |
1015 | gen_arith3(ctx, &gen_op_extqh, ra, rb, rc, islit, lit); | |
1016 | break; | |
1017 | default: | |
1018 | goto invalid_opc; | |
1019 | } | |
1020 | break; | |
1021 | case 0x13: | |
1022 | switch (fn7) { | |
1023 | case 0x00: | |
1024 | /* MULL */ | |
1025 | gen_arith3(ctx, &gen_op_mull, ra, rb, rc, islit, lit); | |
1026 | break; | |
1027 | case 0x20: | |
1028 | /* MULQ */ | |
1029 | gen_arith3(ctx, &gen_op_mulq, ra, rb, rc, islit, lit); | |
1030 | break; | |
1031 | case 0x30: | |
1032 | /* UMULH */ | |
1033 | gen_arith3(ctx, &gen_op_umulh, ra, rb, rc, islit, lit); | |
1034 | break; | |
1035 | case 0x40: | |
1036 | /* MULL/V */ | |
1037 | gen_arith3(ctx, &gen_op_mullv, ra, rb, rc, islit, lit); | |
1038 | break; | |
1039 | case 0x60: | |
1040 | /* MULQ/V */ | |
1041 | gen_arith3(ctx, &gen_op_mulqv, ra, rb, rc, islit, lit); | |
1042 | break; | |
1043 | default: | |
1044 | goto invalid_opc; | |
1045 | } | |
1046 | break; | |
1047 | case 0x14: | |
1048 | switch (fpfn) { /* f11 & 0x3F */ | |
1049 | case 0x04: | |
1050 | /* ITOFS */ | |
1051 | if (!(ctx->amask & AMASK_FIX)) | |
1052 | goto invalid_opc; | |
1053 | gen_itf(ctx, &gen_op_itofs, ra, rc); | |
1054 | break; | |
1055 | case 0x0A: | |
1056 | /* SQRTF */ | |
1057 | if (!(ctx->amask & AMASK_FIX)) | |
1058 | goto invalid_opc; | |
1059 | gen_farith2(ctx, &gen_op_sqrtf, rb, rc); | |
1060 | break; | |
1061 | case 0x0B: | |
1062 | /* SQRTS */ | |
1063 | if (!(ctx->amask & AMASK_FIX)) | |
1064 | goto invalid_opc; | |
1065 | gen_farith2(ctx, &gen_op_sqrts, rb, rc); | |
1066 | break; | |
1067 | case 0x14: | |
1068 | /* ITOFF */ | |
1069 | if (!(ctx->amask & AMASK_FIX)) | |
1070 | goto invalid_opc; | |
1071 | #if 0 // TODO | |
1072 | gen_itf(ctx, &gen_op_itoff, ra, rc); | |
1073 | #else | |
1074 | goto invalid_opc; | |
1075 | #endif | |
1076 | break; | |
1077 | case 0x24: | |
1078 | /* ITOFT */ | |
1079 | if (!(ctx->amask & AMASK_FIX)) | |
1080 | goto invalid_opc; | |
1081 | gen_itf(ctx, &gen_op_itoft, ra, rc); | |
1082 | break; | |
1083 | case 0x2A: | |
1084 | /* SQRTG */ | |
1085 | if (!(ctx->amask & AMASK_FIX)) | |
1086 | goto invalid_opc; | |
1087 | gen_farith2(ctx, &gen_op_sqrtg, rb, rc); | |
1088 | break; | |
1089 | case 0x02B: | |
1090 | /* SQRTT */ | |
1091 | if (!(ctx->amask & AMASK_FIX)) | |
1092 | goto invalid_opc; | |
1093 | gen_farith2(ctx, &gen_op_sqrtt, rb, rc); | |
1094 | break; | |
1095 | default: | |
1096 | goto invalid_opc; | |
1097 | } | |
1098 | break; | |
1099 | case 0x15: | |
1100 | /* VAX floating point */ | |
1101 | /* XXX: rounding mode and trap are ignored (!) */ | |
1102 | switch (fpfn) { /* f11 & 0x3F */ | |
1103 | case 0x00: | |
1104 | /* ADDF */ | |
1105 | gen_farith3(ctx, &gen_op_addf, ra, rb, rc); | |
1106 | break; | |
1107 | case 0x01: | |
1108 | /* SUBF */ | |
1109 | gen_farith3(ctx, &gen_op_subf, ra, rb, rc); | |
1110 | break; | |
1111 | case 0x02: | |
1112 | /* MULF */ | |
1113 | gen_farith3(ctx, &gen_op_mulf, ra, rb, rc); | |
1114 | break; | |
1115 | case 0x03: | |
1116 | /* DIVF */ | |
1117 | gen_farith3(ctx, &gen_op_divf, ra, rb, rc); | |
1118 | break; | |
1119 | case 0x1E: | |
1120 | /* CVTDG */ | |
1121 | #if 0 // TODO | |
1122 | gen_farith2(ctx, &gen_op_cvtdg, rb, rc); | |
1123 | #else | |
1124 | goto invalid_opc; | |
1125 | #endif | |
1126 | break; | |
1127 | case 0x20: | |
1128 | /* ADDG */ | |
1129 | gen_farith3(ctx, &gen_op_addg, ra, rb, rc); | |
1130 | break; | |
1131 | case 0x21: | |
1132 | /* SUBG */ | |
1133 | gen_farith3(ctx, &gen_op_subg, ra, rb, rc); | |
1134 | break; | |
1135 | case 0x22: | |
1136 | /* MULG */ | |
1137 | gen_farith3(ctx, &gen_op_mulg, ra, rb, rc); | |
1138 | break; | |
1139 | case 0x23: | |
1140 | /* DIVG */ | |
1141 | gen_farith3(ctx, &gen_op_divg, ra, rb, rc); | |
1142 | break; | |
1143 | case 0x25: | |
1144 | /* CMPGEQ */ | |
1145 | gen_farith3(ctx, &gen_op_cmpgeq, ra, rb, rc); | |
1146 | break; | |
1147 | case 0x26: | |
1148 | /* CMPGLT */ | |
1149 | gen_farith3(ctx, &gen_op_cmpglt, ra, rb, rc); | |
1150 | break; | |
1151 | case 0x27: | |
1152 | /* CMPGLE */ | |
1153 | gen_farith3(ctx, &gen_op_cmpgle, ra, rb, rc); | |
1154 | break; | |
1155 | case 0x2C: | |
1156 | /* CVTGF */ | |
1157 | gen_farith2(ctx, &gen_op_cvtgf, rb, rc); | |
1158 | break; | |
1159 | case 0x2D: | |
1160 | /* CVTGD */ | |
1161 | #if 0 // TODO | |
1162 | gen_farith2(ctx, &gen_op_cvtgd, rb, rc); | |
1163 | #else | |
1164 | goto invalid_opc; | |
1165 | #endif | |
1166 | break; | |
1167 | case 0x2F: | |
1168 | /* CVTGQ */ | |
1169 | gen_farith2(ctx, &gen_op_cvtgq, rb, rc); | |
1170 | break; | |
1171 | case 0x3C: | |
1172 | /* CVTQF */ | |
1173 | gen_farith2(ctx, &gen_op_cvtqf, rb, rc); | |
1174 | break; | |
1175 | case 0x3E: | |
1176 | /* CVTQG */ | |
1177 | gen_farith2(ctx, &gen_op_cvtqg, rb, rc); | |
1178 | break; | |
1179 | default: | |
1180 | goto invalid_opc; | |
1181 | } | |
1182 | break; | |
1183 | case 0x16: | |
1184 | /* IEEE floating-point */ | |
1185 | /* XXX: rounding mode and traps are ignored (!) */ | |
1186 | switch (fpfn) { /* f11 & 0x3F */ | |
1187 | case 0x00: | |
1188 | /* ADDS */ | |
1189 | gen_farith3(ctx, &gen_op_adds, ra, rb, rc); | |
1190 | break; | |
1191 | case 0x01: | |
1192 | /* SUBS */ | |
1193 | gen_farith3(ctx, &gen_op_subs, ra, rb, rc); | |
1194 | break; | |
1195 | case 0x02: | |
1196 | /* MULS */ | |
1197 | gen_farith3(ctx, &gen_op_muls, ra, rb, rc); | |
1198 | break; | |
1199 | case 0x03: | |
1200 | /* DIVS */ | |
1201 | gen_farith3(ctx, &gen_op_divs, ra, rb, rc); | |
1202 | break; | |
1203 | case 0x20: | |
1204 | /* ADDT */ | |
1205 | gen_farith3(ctx, &gen_op_addt, ra, rb, rc); | |
1206 | break; | |
1207 | case 0x21: | |
1208 | /* SUBT */ | |
1209 | gen_farith3(ctx, &gen_op_subt, ra, rb, rc); | |
1210 | break; | |
1211 | case 0x22: | |
1212 | /* MULT */ | |
1213 | gen_farith3(ctx, &gen_op_mult, ra, rb, rc); | |
1214 | break; | |
1215 | case 0x23: | |
1216 | /* DIVT */ | |
1217 | gen_farith3(ctx, &gen_op_divt, ra, rb, rc); | |
1218 | break; | |
1219 | case 0x24: | |
1220 | /* CMPTUN */ | |
1221 | gen_farith3(ctx, &gen_op_cmptun, ra, rb, rc); | |
1222 | break; | |
1223 | case 0x25: | |
1224 | /* CMPTEQ */ | |
1225 | gen_farith3(ctx, &gen_op_cmpteq, ra, rb, rc); | |
1226 | break; | |
1227 | case 0x26: | |
1228 | /* CMPTLT */ | |
1229 | gen_farith3(ctx, &gen_op_cmptlt, ra, rb, rc); | |
1230 | break; | |
1231 | case 0x27: | |
1232 | /* CMPTLE */ | |
1233 | gen_farith3(ctx, &gen_op_cmptle, ra, rb, rc); | |
1234 | break; | |
1235 | case 0x2C: | |
1236 | /* XXX: incorrect */ | |
1237 | if (fn11 == 0x2AC) { | |
1238 | /* CVTST */ | |
1239 | gen_farith2(ctx, &gen_op_cvtst, rb, rc); | |
1240 | } else { | |
1241 | /* CVTTS */ | |
1242 | gen_farith2(ctx, &gen_op_cvtts, rb, rc); | |
1243 | } | |
1244 | break; | |
1245 | case 0x2F: | |
1246 | /* CVTTQ */ | |
1247 | gen_farith2(ctx, &gen_op_cvttq, rb, rc); | |
1248 | break; | |
1249 | case 0x3C: | |
1250 | /* CVTQS */ | |
1251 | gen_farith2(ctx, &gen_op_cvtqs, rb, rc); | |
1252 | break; | |
1253 | case 0x3E: | |
1254 | /* CVTQT */ | |
1255 | gen_farith2(ctx, &gen_op_cvtqt, rb, rc); | |
1256 | break; | |
1257 | default: | |
1258 | goto invalid_opc; | |
1259 | } | |
1260 | break; | |
1261 | case 0x17: | |
1262 | switch (fn11) { | |
1263 | case 0x010: | |
1264 | /* CVTLQ */ | |
1265 | gen_farith2(ctx, &gen_op_cvtlq, rb, rc); | |
1266 | break; | |
1267 | case 0x020: | |
1268 | /* CPYS */ | |
1269 | if (ra == rb) { | |
1270 | if (ra == 31 && rc == 31) { | |
1271 | /* FNOP */ | |
1272 | gen_op_nop(); | |
1273 | } else { | |
1274 | /* FMOV */ | |
1275 | gen_load_fir(ctx, rb, 0); | |
1276 | gen_store_fir(ctx, rc, 0); | |
1277 | } | |
1278 | } else { | |
1279 | gen_farith3(ctx, &gen_op_cpys, ra, rb, rc); | |
1280 | } | |
1281 | break; | |
1282 | case 0x021: | |
1283 | /* CPYSN */ | |
1284 | gen_farith2(ctx, &gen_op_cpysn, rb, rc); | |
1285 | break; | |
1286 | case 0x022: | |
1287 | /* CPYSE */ | |
1288 | gen_farith2(ctx, &gen_op_cpyse, rb, rc); | |
1289 | break; | |
1290 | case 0x024: | |
1291 | /* MT_FPCR */ | |
1292 | gen_load_fir(ctx, ra, 0); | |
1293 | gen_op_store_fpcr(); | |
1294 | break; | |
1295 | case 0x025: | |
1296 | /* MF_FPCR */ | |
1297 | gen_op_load_fpcr(); | |
1298 | gen_store_fir(ctx, ra, 0); | |
1299 | break; | |
1300 | case 0x02A: | |
1301 | /* FCMOVEQ */ | |
1302 | gen_fcmov(ctx, &gen_op_cmpfeq, ra, rb, rc); | |
1303 | break; | |
1304 | case 0x02B: | |
1305 | /* FCMOVNE */ | |
1306 | gen_fcmov(ctx, &gen_op_cmpfne, ra, rb, rc); | |
1307 | break; | |
1308 | case 0x02C: | |
1309 | /* FCMOVLT */ | |
1310 | gen_fcmov(ctx, &gen_op_cmpflt, ra, rb, rc); | |
1311 | break; | |
1312 | case 0x02D: | |
1313 | /* FCMOVGE */ | |
1314 | gen_fcmov(ctx, &gen_op_cmpfge, ra, rb, rc); | |
1315 | break; | |
1316 | case 0x02E: | |
1317 | /* FCMOVLE */ | |
1318 | gen_fcmov(ctx, &gen_op_cmpfle, ra, rb, rc); | |
1319 | break; | |
1320 | case 0x02F: | |
1321 | /* FCMOVGT */ | |
1322 | gen_fcmov(ctx, &gen_op_cmpfgt, ra, rb, rc); | |
1323 | break; | |
1324 | case 0x030: | |
1325 | /* CVTQL */ | |
1326 | gen_farith2(ctx, &gen_op_cvtql, rb, rc); | |
1327 | break; | |
1328 | case 0x130: | |
1329 | /* CVTQL/V */ | |
1330 | gen_farith2(ctx, &gen_op_cvtqlv, rb, rc); | |
1331 | break; | |
1332 | case 0x530: | |
1333 | /* CVTQL/SV */ | |
1334 | gen_farith2(ctx, &gen_op_cvtqlsv, rb, rc); | |
1335 | break; | |
1336 | default: | |
1337 | goto invalid_opc; | |
1338 | } | |
1339 | break; | |
1340 | case 0x18: | |
1341 | switch ((uint16_t)disp16) { | |
1342 | case 0x0000: | |
1343 | /* TRAPB */ | |
1344 | /* No-op. Just exit from the current tb */ | |
1345 | ret = 2; | |
1346 | break; | |
1347 | case 0x0400: | |
1348 | /* EXCB */ | |
1349 | /* No-op. Just exit from the current tb */ | |
1350 | ret = 2; | |
1351 | break; | |
1352 | case 0x4000: | |
1353 | /* MB */ | |
1354 | /* No-op */ | |
1355 | break; | |
1356 | case 0x4400: | |
1357 | /* WMB */ | |
1358 | /* No-op */ | |
1359 | break; | |
1360 | case 0x8000: | |
1361 | /* FETCH */ | |
1362 | /* No-op */ | |
1363 | break; | |
1364 | case 0xA000: | |
1365 | /* FETCH_M */ | |
1366 | /* No-op */ | |
1367 | break; | |
1368 | case 0xC000: | |
1369 | /* RPCC */ | |
1370 | gen_op_load_pcc(); | |
1371 | gen_store_ir(ctx, ra, 0); | |
1372 | break; | |
1373 | case 0xE000: | |
1374 | /* RC */ | |
1375 | gen_op_load_irf(); | |
1376 | gen_store_ir(ctx, ra, 0); | |
1377 | gen_op_clear_irf(); | |
1378 | break; | |
1379 | case 0xE800: | |
1380 | /* ECB */ | |
1381 | /* XXX: TODO: evict tb cache at address rb */ | |
1382 | #if 0 | |
1383 | ret = 2; | |
1384 | #else | |
1385 | goto invalid_opc; | |
1386 | #endif | |
1387 | break; | |
1388 | case 0xF000: | |
1389 | /* RS */ | |
1390 | gen_op_load_irf(); | |
1391 | gen_store_ir(ctx, ra, 0); | |
1392 | gen_op_set_irf(); | |
1393 | break; | |
1394 | case 0xF800: | |
1395 | /* WH64 */ | |
1396 | /* No-op */ | |
1397 | break; | |
1398 | default: | |
1399 | goto invalid_opc; | |
1400 | } | |
1401 | break; | |
1402 | case 0x19: | |
1403 | /* HW_MFPR (PALcode) */ | |
1404 | #if defined (CONFIG_USER_ONLY) | |
1405 | goto invalid_opc; | |
1406 | #else | |
1407 | if (!ctx->pal_mode) | |
1408 | goto invalid_opc; | |
1409 | gen_op_mfpr(insn & 0xFF); | |
1410 | gen_store_ir(ctx, ra, 0); | |
1411 | break; | |
1412 | #endif | |
1413 | case 0x1A: | |
1414 | gen_load_ir(ctx, rb, 0); | |
1415 | if (ra != 31) { | |
1416 | gen_set_uT1(ctx, ctx->pc); | |
1417 | gen_store_ir(ctx, ra, 1); | |
1418 | } | |
1419 | gen_op_branch(); | |
1420 | /* Those four jumps only differ by the branch prediction hint */ | |
1421 | switch (fn2) { | |
1422 | case 0x0: | |
1423 | /* JMP */ | |
1424 | break; | |
1425 | case 0x1: | |
1426 | /* JSR */ | |
1427 | break; | |
1428 | case 0x2: | |
1429 | /* RET */ | |
1430 | break; | |
1431 | case 0x3: | |
1432 | /* JSR_COROUTINE */ | |
1433 | break; | |
1434 | } | |
1435 | ret = 1; | |
1436 | break; | |
1437 | case 0x1B: | |
1438 | /* HW_LD (PALcode) */ | |
1439 | #if defined (CONFIG_USER_ONLY) | |
1440 | goto invalid_opc; | |
1441 | #else | |
1442 | if (!ctx->pal_mode) | |
1443 | goto invalid_opc; | |
1444 | gen_load_ir(ctx, rb, 0); | |
1445 | gen_set_sT1(ctx, disp12); | |
1446 | gen_op_addq(); | |
1447 | switch ((insn >> 12) & 0xF) { | |
1448 | case 0x0: | |
1449 | /* Longword physical access */ | |
1450 | gen_op_ldl_raw(); | |
1451 | break; | |
1452 | case 0x1: | |
1453 | /* Quadword physical access */ | |
1454 | gen_op_ldq_raw(); | |
1455 | break; | |
1456 | case 0x2: | |
1457 | /* Longword physical access with lock */ | |
1458 | gen_op_ldl_l_raw(); | |
1459 | break; | |
1460 | case 0x3: | |
1461 | /* Quadword physical access with lock */ | |
1462 | gen_op_ldq_l_raw(); | |
1463 | break; | |
1464 | case 0x4: | |
1465 | /* Longword virtual PTE fetch */ | |
1466 | gen_op_ldl_kernel(); | |
1467 | break; | |
1468 | case 0x5: | |
1469 | /* Quadword virtual PTE fetch */ | |
1470 | gen_op_ldq_kernel(); | |
1471 | break; | |
1472 | case 0x6: | |
1473 | /* Invalid */ | |
1474 | goto invalid_opc; | |
1475 | case 0x7: | |
1476 | /* Invalid */ | |
1477 | goto invalid_opc; | |
1478 | case 0x8: | |
1479 | /* Longword virtual access */ | |
1480 | gen_op_ld_phys_to_virt(); | |
1481 | gen_op_ldl_raw(); | |
1482 | break; | |
1483 | case 0x9: | |
1484 | /* Quadword virtual access */ | |
1485 | gen_op_ld_phys_to_virt(); | |
1486 | gen_op_ldq_raw(); | |
1487 | break; | |
1488 | case 0xA: | |
1489 | /* Longword virtual access with protection check */ | |
1490 | gen_ldl(ctx); | |
1491 | break; | |
1492 | case 0xB: | |
1493 | /* Quadword virtual access with protection check */ | |
1494 | gen_ldq(ctx); | |
1495 | break; | |
1496 | case 0xC: | |
1497 | /* Longword virtual access with altenate access mode */ | |
1498 | gen_op_set_alt_mode(); | |
1499 | gen_op_ld_phys_to_virt(); | |
1500 | gen_op_ldl_raw(); | |
1501 | gen_op_restore_mode(); | |
1502 | break; | |
1503 | case 0xD: | |
1504 | /* Quadword virtual access with altenate access mode */ | |
1505 | gen_op_set_alt_mode(); | |
1506 | gen_op_ld_phys_to_virt(); | |
1507 | gen_op_ldq_raw(); | |
1508 | gen_op_restore_mode(); | |
1509 | break; | |
1510 | case 0xE: | |
1511 | /* Longword virtual access with alternate access mode and | |
1512 | * protection checks | |
1513 | */ | |
1514 | gen_op_set_alt_mode(); | |
1515 | gen_op_ldl_data(); | |
1516 | gen_op_restore_mode(); | |
1517 | break; | |
1518 | case 0xF: | |
1519 | /* Quadword virtual access with alternate access mode and | |
1520 | * protection checks | |
1521 | */ | |
1522 | gen_op_set_alt_mode(); | |
1523 | gen_op_ldq_data(); | |
1524 | gen_op_restore_mode(); | |
1525 | break; | |
1526 | } | |
1527 | gen_store_ir(ctx, ra, 1); | |
1528 | break; | |
1529 | #endif | |
1530 | case 0x1C: | |
1531 | switch (fn7) { | |
1532 | case 0x00: | |
1533 | /* SEXTB */ | |
1534 | if (!(ctx->amask & AMASK_BWX)) | |
1535 | goto invalid_opc; | |
1536 | gen_arith2(ctx, &gen_op_sextb, rb, rc, islit, lit); | |
1537 | break; | |
1538 | case 0x01: | |
1539 | /* SEXTW */ | |
1540 | if (!(ctx->amask & AMASK_BWX)) | |
1541 | goto invalid_opc; | |
1542 | gen_arith2(ctx, &gen_op_sextw, rb, rc, islit, lit); | |
1543 | break; | |
1544 | case 0x30: | |
1545 | /* CTPOP */ | |
1546 | if (!(ctx->amask & AMASK_CIX)) | |
1547 | goto invalid_opc; | |
1548 | gen_arith2(ctx, &gen_op_ctpop, rb, rc, 0, 0); | |
1549 | break; | |
1550 | case 0x31: | |
1551 | /* PERR */ | |
1552 | if (!(ctx->amask & AMASK_MVI)) | |
1553 | goto invalid_opc; | |
1554 | /* XXX: TODO */ | |
1555 | goto invalid_opc; | |
1556 | break; | |
1557 | case 0x32: | |
1558 | /* CTLZ */ | |
1559 | if (!(ctx->amask & AMASK_CIX)) | |
1560 | goto invalid_opc; | |
1561 | gen_arith2(ctx, &gen_op_ctlz, rb, rc, 0, 0); | |
1562 | break; | |
1563 | case 0x33: | |
1564 | /* CTTZ */ | |
1565 | if (!(ctx->amask & AMASK_CIX)) | |
1566 | goto invalid_opc; | |
1567 | gen_arith2(ctx, &gen_op_cttz, rb, rc, 0, 0); | |
1568 | break; | |
1569 | case 0x34: | |
1570 | /* UNPKBW */ | |
1571 | if (!(ctx->amask & AMASK_MVI)) | |
1572 | goto invalid_opc; | |
1573 | /* XXX: TODO */ | |
1574 | goto invalid_opc; | |
1575 | break; | |
1576 | case 0x35: | |
1577 | /* UNPKWL */ | |
1578 | if (!(ctx->amask & AMASK_MVI)) | |
1579 | goto invalid_opc; | |
1580 | /* XXX: TODO */ | |
1581 | goto invalid_opc; | |
1582 | break; | |
1583 | case 0x36: | |
1584 | /* PKWB */ | |
1585 | if (!(ctx->amask & AMASK_MVI)) | |
1586 | goto invalid_opc; | |
1587 | /* XXX: TODO */ | |
1588 | goto invalid_opc; | |
1589 | break; | |
1590 | case 0x37: | |
1591 | /* PKLB */ | |
1592 | if (!(ctx->amask & AMASK_MVI)) | |
1593 | goto invalid_opc; | |
1594 | /* XXX: TODO */ | |
1595 | goto invalid_opc; | |
1596 | break; | |
1597 | case 0x38: | |
1598 | /* MINSB8 */ | |
1599 | if (!(ctx->amask & AMASK_MVI)) | |
1600 | goto invalid_opc; | |
1601 | /* XXX: TODO */ | |
1602 | goto invalid_opc; | |
1603 | break; | |
1604 | case 0x39: | |
1605 | /* MINSW4 */ | |
1606 | if (!(ctx->amask & AMASK_MVI)) | |
1607 | goto invalid_opc; | |
1608 | /* XXX: TODO */ | |
1609 | goto invalid_opc; | |
1610 | break; | |
1611 | case 0x3A: | |
1612 | /* MINUB8 */ | |
1613 | if (!(ctx->amask & AMASK_MVI)) | |
1614 | goto invalid_opc; | |
1615 | /* XXX: TODO */ | |
1616 | goto invalid_opc; | |
1617 | break; | |
1618 | case 0x3B: | |
1619 | /* MINUW4 */ | |
1620 | if (!(ctx->amask & AMASK_MVI)) | |
1621 | goto invalid_opc; | |
1622 | /* XXX: TODO */ | |
1623 | goto invalid_opc; | |
1624 | break; | |
1625 | case 0x3C: | |
1626 | /* MAXUB8 */ | |
1627 | if (!(ctx->amask & AMASK_MVI)) | |
1628 | goto invalid_opc; | |
1629 | /* XXX: TODO */ | |
1630 | goto invalid_opc; | |
1631 | break; | |
1632 | case 0x3D: | |
1633 | /* MAXUW4 */ | |
1634 | if (!(ctx->amask & AMASK_MVI)) | |
1635 | goto invalid_opc; | |
1636 | /* XXX: TODO */ | |
1637 | goto invalid_opc; | |
1638 | break; | |
1639 | case 0x3E: | |
1640 | /* MAXSB8 */ | |
1641 | if (!(ctx->amask & AMASK_MVI)) | |
1642 | goto invalid_opc; | |
1643 | /* XXX: TODO */ | |
1644 | goto invalid_opc; | |
1645 | break; | |
1646 | case 0x3F: | |
1647 | /* MAXSW4 */ | |
1648 | if (!(ctx->amask & AMASK_MVI)) | |
1649 | goto invalid_opc; | |
1650 | /* XXX: TODO */ | |
1651 | goto invalid_opc; | |
1652 | break; | |
1653 | case 0x70: | |
1654 | /* FTOIT */ | |
1655 | if (!(ctx->amask & AMASK_FIX)) | |
1656 | goto invalid_opc; | |
1657 | gen_fti(ctx, &gen_op_ftoit, ra, rb); | |
1658 | break; | |
1659 | case 0x78: | |
1660 | /* FTOIS */ | |
1661 | if (!(ctx->amask & AMASK_FIX)) | |
1662 | goto invalid_opc; | |
1663 | gen_fti(ctx, &gen_op_ftois, ra, rb); | |
1664 | break; | |
1665 | default: | |
1666 | goto invalid_opc; | |
1667 | } | |
1668 | break; | |
1669 | case 0x1D: | |
1670 | /* HW_MTPR (PALcode) */ | |
1671 | #if defined (CONFIG_USER_ONLY) | |
1672 | goto invalid_opc; | |
1673 | #else | |
1674 | if (!ctx->pal_mode) | |
1675 | goto invalid_opc; | |
1676 | gen_load_ir(ctx, ra, 0); | |
1677 | gen_op_mtpr(insn & 0xFF); | |
1678 | ret = 2; | |
1679 | break; | |
1680 | #endif | |
1681 | case 0x1E: | |
1682 | /* HW_REI (PALcode) */ | |
1683 | #if defined (CONFIG_USER_ONLY) | |
1684 | goto invalid_opc; | |
1685 | #else | |
1686 | if (!ctx->pal_mode) | |
1687 | goto invalid_opc; | |
1688 | if (rb == 31) { | |
1689 | /* "Old" alpha */ | |
1690 | gen_op_hw_rei(); | |
1691 | } else { | |
1692 | gen_load_ir(ctx, rb, 0); | |
1693 | gen_set_uT1(ctx, (((int64_t)insn << 51) >> 51)); | |
1694 | gen_op_addq(); | |
1695 | gen_op_hw_ret(); | |
1696 | } | |
1697 | ret = 2; | |
1698 | break; | |
1699 | #endif | |
1700 | case 0x1F: | |
1701 | /* HW_ST (PALcode) */ | |
1702 | #if defined (CONFIG_USER_ONLY) | |
1703 | goto invalid_opc; | |
1704 | #else | |
1705 | if (!ctx->pal_mode) | |
1706 | goto invalid_opc; | |
1707 | gen_load_ir(ctx, rb, 0); | |
1708 | gen_set_sT1(ctx, disp12); | |
1709 | gen_op_addq(); | |
1710 | gen_load_ir(ctx, ra, 1); | |
1711 | switch ((insn >> 12) & 0xF) { | |
1712 | case 0x0: | |
1713 | /* Longword physical access */ | |
1714 | gen_op_stl_raw(); | |
1715 | break; | |
1716 | case 0x1: | |
1717 | /* Quadword physical access */ | |
1718 | gen_op_stq_raw(); | |
1719 | break; | |
1720 | case 0x2: | |
1721 | /* Longword physical access with lock */ | |
1722 | gen_op_stl_c_raw(); | |
1723 | break; | |
1724 | case 0x3: | |
1725 | /* Quadword physical access with lock */ | |
1726 | gen_op_stq_c_raw(); | |
1727 | break; | |
1728 | case 0x4: | |
1729 | /* Longword virtual access */ | |
1730 | gen_op_st_phys_to_virt(); | |
1731 | gen_op_stl_raw(); | |
1732 | break; | |
1733 | case 0x5: | |
1734 | /* Quadword virtual access */ | |
1735 | gen_op_st_phys_to_virt(); | |
1736 | gen_op_stq_raw(); | |
1737 | break; | |
1738 | case 0x6: | |
1739 | /* Invalid */ | |
1740 | goto invalid_opc; | |
1741 | case 0x7: | |
1742 | /* Invalid */ | |
1743 | goto invalid_opc; | |
1744 | case 0x8: | |
1745 | /* Invalid */ | |
1746 | goto invalid_opc; | |
1747 | case 0x9: | |
1748 | /* Invalid */ | |
1749 | goto invalid_opc; | |
1750 | case 0xA: | |
1751 | /* Invalid */ | |
1752 | goto invalid_opc; | |
1753 | case 0xB: | |
1754 | /* Invalid */ | |
1755 | goto invalid_opc; | |
1756 | case 0xC: | |
1757 | /* Longword virtual access with alternate access mode */ | |
1758 | gen_op_set_alt_mode(); | |
1759 | gen_op_st_phys_to_virt(); | |
1760 | gen_op_ldl_raw(); | |
1761 | gen_op_restore_mode(); | |
1762 | break; | |
1763 | case 0xD: | |
1764 | /* Quadword virtual access with alternate access mode */ | |
1765 | gen_op_set_alt_mode(); | |
1766 | gen_op_st_phys_to_virt(); | |
1767 | gen_op_ldq_raw(); | |
1768 | gen_op_restore_mode(); | |
1769 | break; | |
1770 | case 0xE: | |
1771 | /* Invalid */ | |
1772 | goto invalid_opc; | |
1773 | case 0xF: | |
1774 | /* Invalid */ | |
1775 | goto invalid_opc; | |
1776 | } | |
1777 | ret = 2; | |
1778 | break; | |
1779 | #endif | |
1780 | case 0x20: | |
1781 | /* LDF */ | |
1782 | #if 0 // TODO | |
1783 | gen_load_fmem(ctx, &gen_ldf, ra, rb, disp16); | |
1784 | #else | |
1785 | goto invalid_opc; | |
1786 | #endif | |
1787 | break; | |
1788 | case 0x21: | |
1789 | /* LDG */ | |
1790 | #if 0 // TODO | |
1791 | gen_load_fmem(ctx, &gen_ldg, ra, rb, disp16); | |
1792 | #else | |
1793 | goto invalid_opc; | |
1794 | #endif | |
1795 | break; | |
1796 | case 0x22: | |
1797 | /* LDS */ | |
1798 | gen_load_fmem(ctx, &gen_lds, ra, rb, disp16); | |
1799 | break; | |
1800 | case 0x23: | |
1801 | /* LDT */ | |
1802 | gen_load_fmem(ctx, &gen_ldt, ra, rb, disp16); | |
1803 | break; | |
1804 | case 0x24: | |
1805 | /* STF */ | |
1806 | #if 0 // TODO | |
1807 | gen_store_fmem(ctx, &gen_stf, ra, rb, disp16); | |
1808 | #else | |
1809 | goto invalid_opc; | |
1810 | #endif | |
1811 | break; | |
1812 | case 0x25: | |
1813 | /* STG */ | |
1814 | #if 0 // TODO | |
1815 | gen_store_fmem(ctx, &gen_stg, ra, rb, disp16); | |
1816 | #else | |
1817 | goto invalid_opc; | |
1818 | #endif | |
1819 | break; | |
1820 | case 0x26: | |
1821 | /* STS */ | |
1822 | gen_store_fmem(ctx, &gen_sts, ra, rb, disp16); | |
1823 | break; | |
1824 | case 0x27: | |
1825 | /* STT */ | |
1826 | gen_store_fmem(ctx, &gen_stt, ra, rb, disp16); | |
1827 | break; | |
1828 | case 0x28: | |
1829 | /* LDL */ | |
1830 | gen_load_mem(ctx, &gen_ldl, ra, rb, disp16, 0); | |
1831 | break; | |
1832 | case 0x29: | |
1833 | /* LDQ */ | |
1834 | gen_load_mem(ctx, &gen_ldq, ra, rb, disp16, 0); | |
1835 | break; | |
1836 | case 0x2A: | |
1837 | /* LDL_L */ | |
1838 | gen_load_mem(ctx, &gen_ldl_l, ra, rb, disp16, 0); | |
1839 | break; | |
1840 | case 0x2B: | |
1841 | /* LDQ_L */ | |
1842 | gen_load_mem(ctx, &gen_ldq_l, ra, rb, disp16, 0); | |
1843 | break; | |
1844 | case 0x2C: | |
1845 | /* STL */ | |
1846 | gen_store_mem(ctx, &gen_stl, ra, rb, disp16, 0); | |
1847 | break; | |
1848 | case 0x2D: | |
1849 | /* STQ */ | |
1850 | gen_store_mem(ctx, &gen_stq, ra, rb, disp16, 0); | |
1851 | break; | |
1852 | case 0x2E: | |
1853 | /* STL_C */ | |
1854 | gen_store_mem(ctx, &gen_stl_c, ra, rb, disp16, 0); | |
1855 | break; | |
1856 | case 0x2F: | |
1857 | /* STQ_C */ | |
1858 | gen_store_mem(ctx, &gen_stq_c, ra, rb, disp16, 0); | |
1859 | break; | |
1860 | case 0x30: | |
1861 | /* BR */ | |
1862 | gen_set_uT0(ctx, ctx->pc); | |
1863 | gen_store_ir(ctx, ra, 0); | |
1864 | if (disp21 != 0) { | |
1865 | gen_set_sT1(ctx, disp21 << 2); | |
1866 | gen_op_addq(); | |
1867 | } | |
1868 | gen_op_branch(); | |
1869 | ret = 1; | |
1870 | break; | |
1871 | case 0x31: | |
1872 | /* FBEQ */ | |
1873 | gen_fbcond(ctx, &gen_op_cmpfeq, ra, disp16); | |
1874 | ret = 1; | |
1875 | break; | |
1876 | case 0x32: | |
1877 | /* FBLT */ | |
1878 | gen_fbcond(ctx, &gen_op_cmpflt, ra, disp16); | |
1879 | ret = 1; | |
1880 | break; | |
1881 | case 0x33: | |
1882 | /* FBLE */ | |
1883 | gen_fbcond(ctx, &gen_op_cmpfle, ra, disp16); | |
1884 | ret = 1; | |
1885 | break; | |
1886 | case 0x34: | |
1887 | /* BSR */ | |
1888 | gen_set_uT0(ctx, ctx->pc); | |
1889 | gen_store_ir(ctx, ra, 0); | |
1890 | if (disp21 != 0) { | |
1891 | gen_set_sT1(ctx, disp21 << 2); | |
1892 | gen_op_addq(); | |
1893 | } | |
1894 | gen_op_branch(); | |
1895 | ret = 1; | |
1896 | break; | |
1897 | case 0x35: | |
1898 | /* FBNE */ | |
1899 | gen_fbcond(ctx, &gen_op_cmpfne, ra, disp16); | |
1900 | ret = 1; | |
1901 | break; | |
1902 | case 0x36: | |
1903 | /* FBGE */ | |
1904 | gen_fbcond(ctx, &gen_op_cmpfge, ra, disp16); | |
1905 | ret = 1; | |
1906 | break; | |
1907 | case 0x37: | |
1908 | /* FBGT */ | |
1909 | gen_fbcond(ctx, &gen_op_cmpfgt, ra, disp16); | |
1910 | ret = 1; | |
1911 | break; | |
1912 | case 0x38: | |
1913 | /* BLBC */ | |
1914 | gen_bcond(ctx, &gen_op_cmplbc, ra, disp16); | |
1915 | ret = 1; | |
1916 | break; | |
1917 | case 0x39: | |
1918 | /* BEQ */ | |
1919 | gen_bcond(ctx, &gen_op_cmpeqz, ra, disp16); | |
1920 | ret = 1; | |
1921 | break; | |
1922 | case 0x3A: | |
1923 | /* BLT */ | |
1924 | gen_bcond(ctx, &gen_op_cmpltz, ra, disp16); | |
1925 | ret = 1; | |
1926 | break; | |
1927 | case 0x3B: | |
1928 | /* BLE */ | |
1929 | gen_bcond(ctx, &gen_op_cmplez, ra, disp16); | |
1930 | ret = 1; | |
1931 | break; | |
1932 | case 0x3C: | |
1933 | /* BLBS */ | |
1934 | gen_bcond(ctx, &gen_op_cmplbs, ra, disp16); | |
1935 | ret = 1; | |
1936 | break; | |
1937 | case 0x3D: | |
1938 | /* BNE */ | |
1939 | gen_bcond(ctx, &gen_op_cmpnez, ra, disp16); | |
1940 | ret = 1; | |
1941 | break; | |
1942 | case 0x3E: | |
1943 | /* BGE */ | |
1944 | gen_bcond(ctx, &gen_op_cmpgez, ra, disp16); | |
1945 | ret = 1; | |
1946 | break; | |
1947 | case 0x3F: | |
1948 | /* BGT */ | |
1949 | gen_bcond(ctx, &gen_op_cmpgtz, ra, disp16); | |
1950 | ret = 1; | |
1951 | break; | |
1952 | invalid_opc: | |
1953 | gen_invalid(ctx); | |
1954 | ret = 3; | |
1955 | break; | |
1956 | } | |
1957 | ||
1958 | return ret; | |
1959 | } | |
1960 | ||
1961 | int gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb, | |
1962 | int search_pc) | |
1963 | { | |
1964 | #if defined ALPHA_DEBUG_DISAS | |
1965 | static int insn_count; | |
1966 | #endif | |
1967 | DisasContext ctx, *ctxp = &ctx; | |
1968 | target_ulong pc_start; | |
1969 | uint32_t insn; | |
1970 | uint16_t *gen_opc_end; | |
1971 | int j, lj = -1; | |
1972 | int ret; | |
1973 | ||
1974 | pc_start = tb->pc; | |
1975 | gen_opc_ptr = gen_opc_buf; | |
1976 | gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; | |
1977 | gen_opparam_ptr = gen_opparam_buf; | |
1978 | nb_gen_labels = 0; | |
1979 | ctx.pc = pc_start; | |
1980 | ctx.amask = env->amask; | |
1981 | #if defined (CONFIG_USER_ONLY) | |
1982 | ctx.mem_idx = 0; | |
1983 | #else | |
1984 | ctx.mem_idx = ((env->ps >> 3) & 3); | |
1985 | ctx.pal_mode = env->ipr[IPR_EXC_ADDR] & 1; | |
1986 | #endif | |
1987 | for (ret = 0; ret == 0;) { | |
1988 | if (env->nb_breakpoints > 0) { | |
1989 | for(j = 0; j < env->nb_breakpoints; j++) { | |
1990 | if (env->breakpoints[j] == ctx.pc) { | |
1991 | gen_excp(&ctx, EXCP_DEBUG, 0); | |
1992 | break; | |
1993 | } | |
1994 | } | |
1995 | } | |
1996 | if (search_pc) { | |
1997 | j = gen_opc_ptr - gen_opc_buf; | |
1998 | if (lj < j) { | |
1999 | lj++; | |
2000 | while (lj < j) | |
2001 | gen_opc_instr_start[lj++] = 0; | |
2002 | gen_opc_pc[lj] = ctx.pc; | |
2003 | gen_opc_instr_start[lj] = 1; | |
2004 | } | |
2005 | } | |
2006 | #if defined ALPHA_DEBUG_DISAS | |
2007 | insn_count++; | |
2008 | if (logfile != NULL) { | |
e96efcfc JM |
2009 | fprintf(logfile, "pc " TARGET_FMT_lx " mem_idx %d\n", |
2010 | ctx.pc, ctx.mem_idx); | |
4c9649a9 JM |
2011 | } |
2012 | #endif | |
2013 | insn = ldl_code(ctx.pc); | |
2014 | #if defined ALPHA_DEBUG_DISAS | |
2015 | insn_count++; | |
2016 | if (logfile != NULL) { | |
2017 | fprintf(logfile, "opcode %08x %d\n", insn, insn_count); | |
2018 | } | |
2019 | #endif | |
2020 | ctx.pc += 4; | |
2021 | ret = translate_one(ctxp, insn); | |
2022 | if (ret != 0) | |
2023 | break; | |
2024 | /* if we reach a page boundary or are single stepping, stop | |
2025 | * generation | |
2026 | */ | |
2027 | if (((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) || | |
2028 | (env->singlestep_enabled)) { | |
2029 | break; | |
2030 | } | |
2031 | #if defined (DO_SINGLE_STEP) | |
2032 | break; | |
2033 | #endif | |
2034 | } | |
2035 | if (ret != 1 && ret != 3) { | |
2036 | gen_update_pc(&ctx); | |
2037 | } | |
2038 | gen_op_reset_T0(); | |
2039 | #if defined (DO_TB_FLUSH) | |
2040 | gen_op_tb_flush(); | |
2041 | #endif | |
2042 | /* Generate the return instruction */ | |
2043 | gen_op_exit_tb(); | |
2044 | *gen_opc_ptr = INDEX_op_end; | |
2045 | if (search_pc) { | |
2046 | j = gen_opc_ptr - gen_opc_buf; | |
2047 | lj++; | |
2048 | while (lj <= j) | |
2049 | gen_opc_instr_start[lj++] = 0; | |
4c9649a9 JM |
2050 | } else { |
2051 | tb->size = ctx.pc - pc_start; | |
2052 | } | |
2053 | #if defined ALPHA_DEBUG_DISAS | |
2054 | if (loglevel & CPU_LOG_TB_CPU) { | |
2055 | cpu_dump_state(env, logfile, fprintf, 0); | |
2056 | } | |
2057 | if (loglevel & CPU_LOG_TB_IN_ASM) { | |
2058 | fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start)); | |
2059 | target_disas(logfile, pc_start, ctx.pc - pc_start, 1); | |
2060 | fprintf(logfile, "\n"); | |
2061 | } | |
2062 | if (loglevel & CPU_LOG_TB_OP) { | |
2063 | fprintf(logfile, "OP:\n"); | |
2064 | dump_ops(gen_opc_buf, gen_opparam_buf); | |
2065 | fprintf(logfile, "\n"); | |
2066 | } | |
2067 | #endif | |
2068 | ||
2069 | return 0; | |
2070 | } | |
2071 | ||
2072 | int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) | |
2073 | { | |
2074 | return gen_intermediate_code_internal(env, tb, 0); | |
2075 | } | |
2076 | ||
2077 | int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) | |
2078 | { | |
2079 | return gen_intermediate_code_internal(env, tb, 1); | |
2080 | } | |
2081 | ||
2082 | CPUAlphaState * cpu_alpha_init (void) | |
2083 | { | |
2084 | CPUAlphaState *env; | |
2085 | uint64_t hwpcb; | |
2086 | ||
2087 | env = qemu_mallocz(sizeof(CPUAlphaState)); | |
2088 | if (!env) | |
2089 | return NULL; | |
2090 | cpu_exec_init(env); | |
2091 | tlb_flush(env, 1); | |
2092 | /* XXX: should not be hardcoded */ | |
2093 | env->implver = IMPLVER_2106x; | |
2094 | env->ps = 0x1F00; | |
2095 | #if defined (CONFIG_USER_ONLY) | |
2096 | env->ps |= 1 << 3; | |
2097 | #endif | |
2098 | pal_init(env); | |
2099 | /* Initialize IPR */ | |
2100 | hwpcb = env->ipr[IPR_PCBB]; | |
2101 | env->ipr[IPR_ASN] = 0; | |
2102 | env->ipr[IPR_ASTEN] = 0; | |
2103 | env->ipr[IPR_ASTSR] = 0; | |
2104 | env->ipr[IPR_DATFX] = 0; | |
2105 | /* XXX: fix this */ | |
2106 | // env->ipr[IPR_ESP] = ldq_raw(hwpcb + 8); | |
2107 | // env->ipr[IPR_KSP] = ldq_raw(hwpcb + 0); | |
2108 | // env->ipr[IPR_SSP] = ldq_raw(hwpcb + 16); | |
2109 | // env->ipr[IPR_USP] = ldq_raw(hwpcb + 24); | |
2110 | env->ipr[IPR_FEN] = 0; | |
2111 | env->ipr[IPR_IPL] = 31; | |
2112 | env->ipr[IPR_MCES] = 0; | |
2113 | env->ipr[IPR_PERFMON] = 0; /* Implementation specific */ | |
2114 | // env->ipr[IPR_PTBR] = ldq_raw(hwpcb + 32); | |
2115 | env->ipr[IPR_SISR] = 0; | |
2116 | env->ipr[IPR_VIRBND] = -1ULL; | |
2117 | ||
2118 | return env; | |
2119 | } |