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1 | #include "exec.h" | |
2 | #include "host-utils.h" | |
3 | #include "helper.h" | |
4 | #if !defined(CONFIG_USER_ONLY) | |
5 | #include "softmmu_exec.h" | |
6 | #endif /* !defined(CONFIG_USER_ONLY) */ | |
7 | ||
8 | //#define DEBUG_MMU | |
9 | //#define DEBUG_MXCC | |
10 | //#define DEBUG_UNALIGNED | |
11 | //#define DEBUG_UNASSIGNED | |
12 | //#define DEBUG_ASI | |
13 | //#define DEBUG_PCALL | |
14 | ||
15 | #ifdef DEBUG_MMU | |
16 | #define DPRINTF_MMU(fmt, ...) \ | |
17 | do { printf("MMU: " fmt , ## __VA_ARGS__); } while (0) | |
18 | #else | |
19 | #define DPRINTF_MMU(fmt, ...) do {} while (0) | |
20 | #endif | |
21 | ||
22 | #ifdef DEBUG_MXCC | |
23 | #define DPRINTF_MXCC(fmt, ...) \ | |
24 | do { printf("MXCC: " fmt , ## __VA_ARGS__); } while (0) | |
25 | #else | |
26 | #define DPRINTF_MXCC(fmt, ...) do {} while (0) | |
27 | #endif | |
28 | ||
29 | #ifdef DEBUG_ASI | |
30 | #define DPRINTF_ASI(fmt, ...) \ | |
31 | do { printf("ASI: " fmt , ## __VA_ARGS__); } while (0) | |
32 | #endif | |
33 | ||
34 | #ifdef TARGET_SPARC64 | |
35 | #ifndef TARGET_ABI32 | |
36 | #define AM_CHECK(env1) ((env1)->pstate & PS_AM) | |
37 | #else | |
38 | #define AM_CHECK(env1) (1) | |
39 | #endif | |
40 | #endif | |
41 | ||
42 | #if defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) | |
43 | // Calculates TSB pointer value for fault page size 8k or 64k | |
44 | static uint64_t ultrasparc_tsb_pointer(uint64_t tsb_register, | |
45 | uint64_t tag_access_register, | |
46 | int page_size) | |
47 | { | |
48 | uint64_t tsb_base = tsb_register & ~0x1fffULL; | |
49 | int tsb_split = (env->dmmuregs[5] & 0x1000ULL) ? 1 : 0; | |
50 | int tsb_size = env->dmmuregs[5] & 0xf; | |
51 | ||
52 | // discard lower 13 bits which hold tag access context | |
53 | uint64_t tag_access_va = tag_access_register & ~0x1fffULL; | |
54 | ||
55 | // now reorder bits | |
56 | uint64_t tsb_base_mask = ~0x1fffULL; | |
57 | uint64_t va = tag_access_va; | |
58 | ||
59 | // move va bits to correct position | |
60 | if (page_size == 8*1024) { | |
61 | va >>= 9; | |
62 | } else if (page_size == 64*1024) { | |
63 | va >>= 12; | |
64 | } | |
65 | ||
66 | if (tsb_size) { | |
67 | tsb_base_mask <<= tsb_size; | |
68 | } | |
69 | ||
70 | // calculate tsb_base mask and adjust va if split is in use | |
71 | if (tsb_split) { | |
72 | if (page_size == 8*1024) { | |
73 | va &= ~(1ULL << (13 + tsb_size)); | |
74 | } else if (page_size == 64*1024) { | |
75 | va |= (1ULL << (13 + tsb_size)); | |
76 | } | |
77 | tsb_base_mask <<= 1; | |
78 | } | |
79 | ||
80 | return ((tsb_base & tsb_base_mask) | (va & ~tsb_base_mask)) & ~0xfULL; | |
81 | } | |
82 | ||
83 | // Calculates tag target register value by reordering bits | |
84 | // in tag access register | |
85 | static uint64_t ultrasparc_tag_target(uint64_t tag_access_register) | |
86 | { | |
87 | return ((tag_access_register & 0x1fff) << 48) | (tag_access_register >> 22); | |
88 | } | |
89 | ||
90 | #endif | |
91 | ||
92 | static inline void address_mask(CPUState *env1, target_ulong *addr) | |
93 | { | |
94 | #ifdef TARGET_SPARC64 | |
95 | if (AM_CHECK(env1)) | |
96 | *addr &= 0xffffffffULL; | |
97 | #endif | |
98 | } | |
99 | ||
100 | static void raise_exception(int tt) | |
101 | { | |
102 | env->exception_index = tt; | |
103 | cpu_loop_exit(); | |
104 | } | |
105 | ||
106 | void HELPER(raise_exception)(int tt) | |
107 | { | |
108 | raise_exception(tt); | |
109 | } | |
110 | ||
111 | static inline void set_cwp(int new_cwp) | |
112 | { | |
113 | cpu_set_cwp(env, new_cwp); | |
114 | } | |
115 | ||
116 | void helper_check_align(target_ulong addr, uint32_t align) | |
117 | { | |
118 | if (addr & align) { | |
119 | #ifdef DEBUG_UNALIGNED | |
120 | printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx | |
121 | "\n", addr, env->pc); | |
122 | #endif | |
123 | raise_exception(TT_UNALIGNED); | |
124 | } | |
125 | } | |
126 | ||
127 | #define F_HELPER(name, p) void helper_f##name##p(void) | |
128 | ||
129 | #define F_BINOP(name) \ | |
130 | float32 helper_f ## name ## s (float32 src1, float32 src2) \ | |
131 | { \ | |
132 | return float32_ ## name (src1, src2, &env->fp_status); \ | |
133 | } \ | |
134 | F_HELPER(name, d) \ | |
135 | { \ | |
136 | DT0 = float64_ ## name (DT0, DT1, &env->fp_status); \ | |
137 | } \ | |
138 | F_HELPER(name, q) \ | |
139 | { \ | |
140 | QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \ | |
141 | } | |
142 | ||
143 | F_BINOP(add); | |
144 | F_BINOP(sub); | |
145 | F_BINOP(mul); | |
146 | F_BINOP(div); | |
147 | #undef F_BINOP | |
148 | ||
149 | void helper_fsmuld(float32 src1, float32 src2) | |
150 | { | |
151 | DT0 = float64_mul(float32_to_float64(src1, &env->fp_status), | |
152 | float32_to_float64(src2, &env->fp_status), | |
153 | &env->fp_status); | |
154 | } | |
155 | ||
156 | void helper_fdmulq(void) | |
157 | { | |
158 | QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status), | |
159 | float64_to_float128(DT1, &env->fp_status), | |
160 | &env->fp_status); | |
161 | } | |
162 | ||
163 | float32 helper_fnegs(float32 src) | |
164 | { | |
165 | return float32_chs(src); | |
166 | } | |
167 | ||
168 | #ifdef TARGET_SPARC64 | |
169 | F_HELPER(neg, d) | |
170 | { | |
171 | DT0 = float64_chs(DT1); | |
172 | } | |
173 | ||
174 | F_HELPER(neg, q) | |
175 | { | |
176 | QT0 = float128_chs(QT1); | |
177 | } | |
178 | #endif | |
179 | ||
180 | /* Integer to float conversion. */ | |
181 | float32 helper_fitos(int32_t src) | |
182 | { | |
183 | return int32_to_float32(src, &env->fp_status); | |
184 | } | |
185 | ||
186 | void helper_fitod(int32_t src) | |
187 | { | |
188 | DT0 = int32_to_float64(src, &env->fp_status); | |
189 | } | |
190 | ||
191 | void helper_fitoq(int32_t src) | |
192 | { | |
193 | QT0 = int32_to_float128(src, &env->fp_status); | |
194 | } | |
195 | ||
196 | #ifdef TARGET_SPARC64 | |
197 | float32 helper_fxtos(void) | |
198 | { | |
199 | return int64_to_float32(*((int64_t *)&DT1), &env->fp_status); | |
200 | } | |
201 | ||
202 | F_HELPER(xto, d) | |
203 | { | |
204 | DT0 = int64_to_float64(*((int64_t *)&DT1), &env->fp_status); | |
205 | } | |
206 | ||
207 | F_HELPER(xto, q) | |
208 | { | |
209 | QT0 = int64_to_float128(*((int64_t *)&DT1), &env->fp_status); | |
210 | } | |
211 | #endif | |
212 | #undef F_HELPER | |
213 | ||
214 | /* floating point conversion */ | |
215 | float32 helper_fdtos(void) | |
216 | { | |
217 | return float64_to_float32(DT1, &env->fp_status); | |
218 | } | |
219 | ||
220 | void helper_fstod(float32 src) | |
221 | { | |
222 | DT0 = float32_to_float64(src, &env->fp_status); | |
223 | } | |
224 | ||
225 | float32 helper_fqtos(void) | |
226 | { | |
227 | return float128_to_float32(QT1, &env->fp_status); | |
228 | } | |
229 | ||
230 | void helper_fstoq(float32 src) | |
231 | { | |
232 | QT0 = float32_to_float128(src, &env->fp_status); | |
233 | } | |
234 | ||
235 | void helper_fqtod(void) | |
236 | { | |
237 | DT0 = float128_to_float64(QT1, &env->fp_status); | |
238 | } | |
239 | ||
240 | void helper_fdtoq(void) | |
241 | { | |
242 | QT0 = float64_to_float128(DT1, &env->fp_status); | |
243 | } | |
244 | ||
245 | /* Float to integer conversion. */ | |
246 | int32_t helper_fstoi(float32 src) | |
247 | { | |
248 | return float32_to_int32_round_to_zero(src, &env->fp_status); | |
249 | } | |
250 | ||
251 | int32_t helper_fdtoi(void) | |
252 | { | |
253 | return float64_to_int32_round_to_zero(DT1, &env->fp_status); | |
254 | } | |
255 | ||
256 | int32_t helper_fqtoi(void) | |
257 | { | |
258 | return float128_to_int32_round_to_zero(QT1, &env->fp_status); | |
259 | } | |
260 | ||
261 | #ifdef TARGET_SPARC64 | |
262 | void helper_fstox(float32 src) | |
263 | { | |
264 | *((int64_t *)&DT0) = float32_to_int64_round_to_zero(src, &env->fp_status); | |
265 | } | |
266 | ||
267 | void helper_fdtox(void) | |
268 | { | |
269 | *((int64_t *)&DT0) = float64_to_int64_round_to_zero(DT1, &env->fp_status); | |
270 | } | |
271 | ||
272 | void helper_fqtox(void) | |
273 | { | |
274 | *((int64_t *)&DT0) = float128_to_int64_round_to_zero(QT1, &env->fp_status); | |
275 | } | |
276 | ||
277 | void helper_faligndata(void) | |
278 | { | |
279 | uint64_t tmp; | |
280 | ||
281 | tmp = (*((uint64_t *)&DT0)) << ((env->gsr & 7) * 8); | |
282 | /* on many architectures a shift of 64 does nothing */ | |
283 | if ((env->gsr & 7) != 0) { | |
284 | tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8); | |
285 | } | |
286 | *((uint64_t *)&DT0) = tmp; | |
287 | } | |
288 | ||
289 | #ifdef WORDS_BIGENDIAN | |
290 | #define VIS_B64(n) b[7 - (n)] | |
291 | #define VIS_W64(n) w[3 - (n)] | |
292 | #define VIS_SW64(n) sw[3 - (n)] | |
293 | #define VIS_L64(n) l[1 - (n)] | |
294 | #define VIS_B32(n) b[3 - (n)] | |
295 | #define VIS_W32(n) w[1 - (n)] | |
296 | #else | |
297 | #define VIS_B64(n) b[n] | |
298 | #define VIS_W64(n) w[n] | |
299 | #define VIS_SW64(n) sw[n] | |
300 | #define VIS_L64(n) l[n] | |
301 | #define VIS_B32(n) b[n] | |
302 | #define VIS_W32(n) w[n] | |
303 | #endif | |
304 | ||
305 | typedef union { | |
306 | uint8_t b[8]; | |
307 | uint16_t w[4]; | |
308 | int16_t sw[4]; | |
309 | uint32_t l[2]; | |
310 | float64 d; | |
311 | } vis64; | |
312 | ||
313 | typedef union { | |
314 | uint8_t b[4]; | |
315 | uint16_t w[2]; | |
316 | uint32_t l; | |
317 | float32 f; | |
318 | } vis32; | |
319 | ||
320 | void helper_fpmerge(void) | |
321 | { | |
322 | vis64 s, d; | |
323 | ||
324 | s.d = DT0; | |
325 | d.d = DT1; | |
326 | ||
327 | // Reverse calculation order to handle overlap | |
328 | d.VIS_B64(7) = s.VIS_B64(3); | |
329 | d.VIS_B64(6) = d.VIS_B64(3); | |
330 | d.VIS_B64(5) = s.VIS_B64(2); | |
331 | d.VIS_B64(4) = d.VIS_B64(2); | |
332 | d.VIS_B64(3) = s.VIS_B64(1); | |
333 | d.VIS_B64(2) = d.VIS_B64(1); | |
334 | d.VIS_B64(1) = s.VIS_B64(0); | |
335 | //d.VIS_B64(0) = d.VIS_B64(0); | |
336 | ||
337 | DT0 = d.d; | |
338 | } | |
339 | ||
340 | void helper_fmul8x16(void) | |
341 | { | |
342 | vis64 s, d; | |
343 | uint32_t tmp; | |
344 | ||
345 | s.d = DT0; | |
346 | d.d = DT1; | |
347 | ||
348 | #define PMUL(r) \ | |
349 | tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r); \ | |
350 | if ((tmp & 0xff) > 0x7f) \ | |
351 | tmp += 0x100; \ | |
352 | d.VIS_W64(r) = tmp >> 8; | |
353 | ||
354 | PMUL(0); | |
355 | PMUL(1); | |
356 | PMUL(2); | |
357 | PMUL(3); | |
358 | #undef PMUL | |
359 | ||
360 | DT0 = d.d; | |
361 | } | |
362 | ||
363 | void helper_fmul8x16al(void) | |
364 | { | |
365 | vis64 s, d; | |
366 | uint32_t tmp; | |
367 | ||
368 | s.d = DT0; | |
369 | d.d = DT1; | |
370 | ||
371 | #define PMUL(r) \ | |
372 | tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r); \ | |
373 | if ((tmp & 0xff) > 0x7f) \ | |
374 | tmp += 0x100; \ | |
375 | d.VIS_W64(r) = tmp >> 8; | |
376 | ||
377 | PMUL(0); | |
378 | PMUL(1); | |
379 | PMUL(2); | |
380 | PMUL(3); | |
381 | #undef PMUL | |
382 | ||
383 | DT0 = d.d; | |
384 | } | |
385 | ||
386 | void helper_fmul8x16au(void) | |
387 | { | |
388 | vis64 s, d; | |
389 | uint32_t tmp; | |
390 | ||
391 | s.d = DT0; | |
392 | d.d = DT1; | |
393 | ||
394 | #define PMUL(r) \ | |
395 | tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \ | |
396 | if ((tmp & 0xff) > 0x7f) \ | |
397 | tmp += 0x100; \ | |
398 | d.VIS_W64(r) = tmp >> 8; | |
399 | ||
400 | PMUL(0); | |
401 | PMUL(1); | |
402 | PMUL(2); | |
403 | PMUL(3); | |
404 | #undef PMUL | |
405 | ||
406 | DT0 = d.d; | |
407 | } | |
408 | ||
409 | void helper_fmul8sux16(void) | |
410 | { | |
411 | vis64 s, d; | |
412 | uint32_t tmp; | |
413 | ||
414 | s.d = DT0; | |
415 | d.d = DT1; | |
416 | ||
417 | #define PMUL(r) \ | |
418 | tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \ | |
419 | if ((tmp & 0xff) > 0x7f) \ | |
420 | tmp += 0x100; \ | |
421 | d.VIS_W64(r) = tmp >> 8; | |
422 | ||
423 | PMUL(0); | |
424 | PMUL(1); | |
425 | PMUL(2); | |
426 | PMUL(3); | |
427 | #undef PMUL | |
428 | ||
429 | DT0 = d.d; | |
430 | } | |
431 | ||
432 | void helper_fmul8ulx16(void) | |
433 | { | |
434 | vis64 s, d; | |
435 | uint32_t tmp; | |
436 | ||
437 | s.d = DT0; | |
438 | d.d = DT1; | |
439 | ||
440 | #define PMUL(r) \ | |
441 | tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \ | |
442 | if ((tmp & 0xff) > 0x7f) \ | |
443 | tmp += 0x100; \ | |
444 | d.VIS_W64(r) = tmp >> 8; | |
445 | ||
446 | PMUL(0); | |
447 | PMUL(1); | |
448 | PMUL(2); | |
449 | PMUL(3); | |
450 | #undef PMUL | |
451 | ||
452 | DT0 = d.d; | |
453 | } | |
454 | ||
455 | void helper_fmuld8sux16(void) | |
456 | { | |
457 | vis64 s, d; | |
458 | uint32_t tmp; | |
459 | ||
460 | s.d = DT0; | |
461 | d.d = DT1; | |
462 | ||
463 | #define PMUL(r) \ | |
464 | tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8); \ | |
465 | if ((tmp & 0xff) > 0x7f) \ | |
466 | tmp += 0x100; \ | |
467 | d.VIS_L64(r) = tmp; | |
468 | ||
469 | // Reverse calculation order to handle overlap | |
470 | PMUL(1); | |
471 | PMUL(0); | |
472 | #undef PMUL | |
473 | ||
474 | DT0 = d.d; | |
475 | } | |
476 | ||
477 | void helper_fmuld8ulx16(void) | |
478 | { | |
479 | vis64 s, d; | |
480 | uint32_t tmp; | |
481 | ||
482 | s.d = DT0; | |
483 | d.d = DT1; | |
484 | ||
485 | #define PMUL(r) \ | |
486 | tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2)); \ | |
487 | if ((tmp & 0xff) > 0x7f) \ | |
488 | tmp += 0x100; \ | |
489 | d.VIS_L64(r) = tmp; | |
490 | ||
491 | // Reverse calculation order to handle overlap | |
492 | PMUL(1); | |
493 | PMUL(0); | |
494 | #undef PMUL | |
495 | ||
496 | DT0 = d.d; | |
497 | } | |
498 | ||
499 | void helper_fexpand(void) | |
500 | { | |
501 | vis32 s; | |
502 | vis64 d; | |
503 | ||
504 | s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff); | |
505 | d.d = DT1; | |
506 | d.VIS_W64(0) = s.VIS_B32(0) << 4; | |
507 | d.VIS_W64(1) = s.VIS_B32(1) << 4; | |
508 | d.VIS_W64(2) = s.VIS_B32(2) << 4; | |
509 | d.VIS_W64(3) = s.VIS_B32(3) << 4; | |
510 | ||
511 | DT0 = d.d; | |
512 | } | |
513 | ||
514 | #define VIS_HELPER(name, F) \ | |
515 | void name##16(void) \ | |
516 | { \ | |
517 | vis64 s, d; \ | |
518 | \ | |
519 | s.d = DT0; \ | |
520 | d.d = DT1; \ | |
521 | \ | |
522 | d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0)); \ | |
523 | d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1)); \ | |
524 | d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2)); \ | |
525 | d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3)); \ | |
526 | \ | |
527 | DT0 = d.d; \ | |
528 | } \ | |
529 | \ | |
530 | uint32_t name##16s(uint32_t src1, uint32_t src2) \ | |
531 | { \ | |
532 | vis32 s, d; \ | |
533 | \ | |
534 | s.l = src1; \ | |
535 | d.l = src2; \ | |
536 | \ | |
537 | d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0)); \ | |
538 | d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1)); \ | |
539 | \ | |
540 | return d.l; \ | |
541 | } \ | |
542 | \ | |
543 | void name##32(void) \ | |
544 | { \ | |
545 | vis64 s, d; \ | |
546 | \ | |
547 | s.d = DT0; \ | |
548 | d.d = DT1; \ | |
549 | \ | |
550 | d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0)); \ | |
551 | d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1)); \ | |
552 | \ | |
553 | DT0 = d.d; \ | |
554 | } \ | |
555 | \ | |
556 | uint32_t name##32s(uint32_t src1, uint32_t src2) \ | |
557 | { \ | |
558 | vis32 s, d; \ | |
559 | \ | |
560 | s.l = src1; \ | |
561 | d.l = src2; \ | |
562 | \ | |
563 | d.l = F(d.l, s.l); \ | |
564 | \ | |
565 | return d.l; \ | |
566 | } | |
567 | ||
568 | #define FADD(a, b) ((a) + (b)) | |
569 | #define FSUB(a, b) ((a) - (b)) | |
570 | VIS_HELPER(helper_fpadd, FADD) | |
571 | VIS_HELPER(helper_fpsub, FSUB) | |
572 | ||
573 | #define VIS_CMPHELPER(name, F) \ | |
574 | void name##16(void) \ | |
575 | { \ | |
576 | vis64 s, d; \ | |
577 | \ | |
578 | s.d = DT0; \ | |
579 | d.d = DT1; \ | |
580 | \ | |
581 | d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0))? 1: 0; \ | |
582 | d.VIS_W64(0) |= F(d.VIS_W64(1), s.VIS_W64(1))? 2: 0; \ | |
583 | d.VIS_W64(0) |= F(d.VIS_W64(2), s.VIS_W64(2))? 4: 0; \ | |
584 | d.VIS_W64(0) |= F(d.VIS_W64(3), s.VIS_W64(3))? 8: 0; \ | |
585 | \ | |
586 | DT0 = d.d; \ | |
587 | } \ | |
588 | \ | |
589 | void name##32(void) \ | |
590 | { \ | |
591 | vis64 s, d; \ | |
592 | \ | |
593 | s.d = DT0; \ | |
594 | d.d = DT1; \ | |
595 | \ | |
596 | d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0))? 1: 0; \ | |
597 | d.VIS_L64(0) |= F(d.VIS_L64(1), s.VIS_L64(1))? 2: 0; \ | |
598 | \ | |
599 | DT0 = d.d; \ | |
600 | } | |
601 | ||
602 | #define FCMPGT(a, b) ((a) > (b)) | |
603 | #define FCMPEQ(a, b) ((a) == (b)) | |
604 | #define FCMPLE(a, b) ((a) <= (b)) | |
605 | #define FCMPNE(a, b) ((a) != (b)) | |
606 | ||
607 | VIS_CMPHELPER(helper_fcmpgt, FCMPGT) | |
608 | VIS_CMPHELPER(helper_fcmpeq, FCMPEQ) | |
609 | VIS_CMPHELPER(helper_fcmple, FCMPLE) | |
610 | VIS_CMPHELPER(helper_fcmpne, FCMPNE) | |
611 | #endif | |
612 | ||
613 | void helper_check_ieee_exceptions(void) | |
614 | { | |
615 | target_ulong status; | |
616 | ||
617 | status = get_float_exception_flags(&env->fp_status); | |
618 | if (status) { | |
619 | /* Copy IEEE 754 flags into FSR */ | |
620 | if (status & float_flag_invalid) | |
621 | env->fsr |= FSR_NVC; | |
622 | if (status & float_flag_overflow) | |
623 | env->fsr |= FSR_OFC; | |
624 | if (status & float_flag_underflow) | |
625 | env->fsr |= FSR_UFC; | |
626 | if (status & float_flag_divbyzero) | |
627 | env->fsr |= FSR_DZC; | |
628 | if (status & float_flag_inexact) | |
629 | env->fsr |= FSR_NXC; | |
630 | ||
631 | if ((env->fsr & FSR_CEXC_MASK) & ((env->fsr & FSR_TEM_MASK) >> 23)) { | |
632 | /* Unmasked exception, generate a trap */ | |
633 | env->fsr |= FSR_FTT_IEEE_EXCP; | |
634 | raise_exception(TT_FP_EXCP); | |
635 | } else { | |
636 | /* Accumulate exceptions */ | |
637 | env->fsr |= (env->fsr & FSR_CEXC_MASK) << 5; | |
638 | } | |
639 | } | |
640 | } | |
641 | ||
642 | void helper_clear_float_exceptions(void) | |
643 | { | |
644 | set_float_exception_flags(0, &env->fp_status); | |
645 | } | |
646 | ||
647 | float32 helper_fabss(float32 src) | |
648 | { | |
649 | return float32_abs(src); | |
650 | } | |
651 | ||
652 | #ifdef TARGET_SPARC64 | |
653 | void helper_fabsd(void) | |
654 | { | |
655 | DT0 = float64_abs(DT1); | |
656 | } | |
657 | ||
658 | void helper_fabsq(void) | |
659 | { | |
660 | QT0 = float128_abs(QT1); | |
661 | } | |
662 | #endif | |
663 | ||
664 | float32 helper_fsqrts(float32 src) | |
665 | { | |
666 | return float32_sqrt(src, &env->fp_status); | |
667 | } | |
668 | ||
669 | void helper_fsqrtd(void) | |
670 | { | |
671 | DT0 = float64_sqrt(DT1, &env->fp_status); | |
672 | } | |
673 | ||
674 | void helper_fsqrtq(void) | |
675 | { | |
676 | QT0 = float128_sqrt(QT1, &env->fp_status); | |
677 | } | |
678 | ||
679 | #define GEN_FCMP(name, size, reg1, reg2, FS, TRAP) \ | |
680 | void glue(helper_, name) (void) \ | |
681 | { \ | |
682 | target_ulong new_fsr; \ | |
683 | \ | |
684 | env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \ | |
685 | switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \ | |
686 | case float_relation_unordered: \ | |
687 | new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \ | |
688 | if ((env->fsr & FSR_NVM) || TRAP) { \ | |
689 | env->fsr |= new_fsr; \ | |
690 | env->fsr |= FSR_NVC; \ | |
691 | env->fsr |= FSR_FTT_IEEE_EXCP; \ | |
692 | raise_exception(TT_FP_EXCP); \ | |
693 | } else { \ | |
694 | env->fsr |= FSR_NVA; \ | |
695 | } \ | |
696 | break; \ | |
697 | case float_relation_less: \ | |
698 | new_fsr = FSR_FCC0 << FS; \ | |
699 | break; \ | |
700 | case float_relation_greater: \ | |
701 | new_fsr = FSR_FCC1 << FS; \ | |
702 | break; \ | |
703 | default: \ | |
704 | new_fsr = 0; \ | |
705 | break; \ | |
706 | } \ | |
707 | env->fsr |= new_fsr; \ | |
708 | } | |
709 | #define GEN_FCMPS(name, size, FS, TRAP) \ | |
710 | void glue(helper_, name)(float32 src1, float32 src2) \ | |
711 | { \ | |
712 | target_ulong new_fsr; \ | |
713 | \ | |
714 | env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \ | |
715 | switch (glue(size, _compare) (src1, src2, &env->fp_status)) { \ | |
716 | case float_relation_unordered: \ | |
717 | new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \ | |
718 | if ((env->fsr & FSR_NVM) || TRAP) { \ | |
719 | env->fsr |= new_fsr; \ | |
720 | env->fsr |= FSR_NVC; \ | |
721 | env->fsr |= FSR_FTT_IEEE_EXCP; \ | |
722 | raise_exception(TT_FP_EXCP); \ | |
723 | } else { \ | |
724 | env->fsr |= FSR_NVA; \ | |
725 | } \ | |
726 | break; \ | |
727 | case float_relation_less: \ | |
728 | new_fsr = FSR_FCC0 << FS; \ | |
729 | break; \ | |
730 | case float_relation_greater: \ | |
731 | new_fsr = FSR_FCC1 << FS; \ | |
732 | break; \ | |
733 | default: \ | |
734 | new_fsr = 0; \ | |
735 | break; \ | |
736 | } \ | |
737 | env->fsr |= new_fsr; \ | |
738 | } | |
739 | ||
740 | GEN_FCMPS(fcmps, float32, 0, 0); | |
741 | GEN_FCMP(fcmpd, float64, DT0, DT1, 0, 0); | |
742 | ||
743 | GEN_FCMPS(fcmpes, float32, 0, 1); | |
744 | GEN_FCMP(fcmped, float64, DT0, DT1, 0, 1); | |
745 | ||
746 | GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0); | |
747 | GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1); | |
748 | ||
749 | static uint32_t compute_all_flags(void) | |
750 | { | |
751 | return env->psr & PSR_ICC; | |
752 | } | |
753 | ||
754 | static uint32_t compute_C_flags(void) | |
755 | { | |
756 | return env->psr & PSR_CARRY; | |
757 | } | |
758 | ||
759 | static inline uint32_t get_NZ_icc(target_ulong dst) | |
760 | { | |
761 | uint32_t ret = 0; | |
762 | ||
763 | if (!(dst & 0xffffffffULL)) | |
764 | ret |= PSR_ZERO; | |
765 | if ((int32_t) (dst & 0xffffffffULL) < 0) | |
766 | ret |= PSR_NEG; | |
767 | return ret; | |
768 | } | |
769 | ||
770 | #ifdef TARGET_SPARC64 | |
771 | static uint32_t compute_all_flags_xcc(void) | |
772 | { | |
773 | return env->xcc & PSR_ICC; | |
774 | } | |
775 | ||
776 | static uint32_t compute_C_flags_xcc(void) | |
777 | { | |
778 | return env->xcc & PSR_CARRY; | |
779 | } | |
780 | ||
781 | static inline uint32_t get_NZ_xcc(target_ulong dst) | |
782 | { | |
783 | uint32_t ret = 0; | |
784 | ||
785 | if (!dst) | |
786 | ret |= PSR_ZERO; | |
787 | if ((int64_t)dst < 0) | |
788 | ret |= PSR_NEG; | |
789 | return ret; | |
790 | } | |
791 | #endif | |
792 | ||
793 | static inline uint32_t get_V_div_icc(target_ulong src2) | |
794 | { | |
795 | uint32_t ret = 0; | |
796 | ||
797 | if (src2 != 0) | |
798 | ret |= PSR_OVF; | |
799 | return ret; | |
800 | } | |
801 | ||
802 | static uint32_t compute_all_div(void) | |
803 | { | |
804 | uint32_t ret; | |
805 | ||
806 | ret = get_NZ_icc(CC_DST); | |
807 | ret |= get_V_div_icc(CC_SRC2); | |
808 | return ret; | |
809 | } | |
810 | ||
811 | static uint32_t compute_C_div(void) | |
812 | { | |
813 | return 0; | |
814 | } | |
815 | ||
816 | static inline uint32_t get_C_add_icc(target_ulong dst, target_ulong src1) | |
817 | { | |
818 | uint32_t ret = 0; | |
819 | ||
820 | if ((dst & 0xffffffffULL) < (src1 & 0xffffffffULL)) | |
821 | ret |= PSR_CARRY; | |
822 | return ret; | |
823 | } | |
824 | ||
825 | static inline uint32_t get_V_add_icc(target_ulong dst, target_ulong src1, | |
826 | target_ulong src2) | |
827 | { | |
828 | uint32_t ret = 0; | |
829 | ||
830 | if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1ULL << 31)) | |
831 | ret |= PSR_OVF; | |
832 | return ret; | |
833 | } | |
834 | ||
835 | static uint32_t compute_all_add(void) | |
836 | { | |
837 | uint32_t ret; | |
838 | ||
839 | ret = get_NZ_icc(CC_DST); | |
840 | ret |= get_C_add_icc(CC_DST, CC_SRC); | |
841 | ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2); | |
842 | return ret; | |
843 | } | |
844 | ||
845 | static uint32_t compute_C_add(void) | |
846 | { | |
847 | return get_C_add_icc(CC_DST, CC_SRC); | |
848 | } | |
849 | ||
850 | #ifdef TARGET_SPARC64 | |
851 | static inline uint32_t get_C_add_xcc(target_ulong dst, target_ulong src1) | |
852 | { | |
853 | uint32_t ret = 0; | |
854 | ||
855 | if (dst < src1) | |
856 | ret |= PSR_CARRY; | |
857 | return ret; | |
858 | } | |
859 | ||
860 | static inline uint32_t get_V_add_xcc(target_ulong dst, target_ulong src1, | |
861 | target_ulong src2) | |
862 | { | |
863 | uint32_t ret = 0; | |
864 | ||
865 | if (((src1 ^ src2 ^ -1) & (src1 ^ dst)) & (1ULL << 63)) | |
866 | ret |= PSR_OVF; | |
867 | return ret; | |
868 | } | |
869 | ||
870 | static uint32_t compute_all_add_xcc(void) | |
871 | { | |
872 | uint32_t ret; | |
873 | ||
874 | ret = get_NZ_xcc(CC_DST); | |
875 | ret |= get_C_add_xcc(CC_DST, CC_SRC); | |
876 | ret |= get_V_add_xcc(CC_DST, CC_SRC, CC_SRC2); | |
877 | return ret; | |
878 | } | |
879 | ||
880 | static uint32_t compute_C_add_xcc(void) | |
881 | { | |
882 | return get_C_add_xcc(CC_DST, CC_SRC); | |
883 | } | |
884 | #endif | |
885 | ||
886 | static uint32_t compute_all_addx(void) | |
887 | { | |
888 | uint32_t ret; | |
889 | ||
890 | ret = get_NZ_icc(CC_DST); | |
891 | ret |= get_C_add_icc(CC_DST - CC_SRC2, CC_SRC); | |
892 | ret |= get_C_add_icc(CC_DST, CC_SRC); | |
893 | ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2); | |
894 | return ret; | |
895 | } | |
896 | ||
897 | static uint32_t compute_C_addx(void) | |
898 | { | |
899 | uint32_t ret; | |
900 | ||
901 | ret = get_C_add_icc(CC_DST - CC_SRC2, CC_SRC); | |
902 | ret |= get_C_add_icc(CC_DST, CC_SRC); | |
903 | return ret; | |
904 | } | |
905 | ||
906 | #ifdef TARGET_SPARC64 | |
907 | static uint32_t compute_all_addx_xcc(void) | |
908 | { | |
909 | uint32_t ret; | |
910 | ||
911 | ret = get_NZ_xcc(CC_DST); | |
912 | ret |= get_C_add_xcc(CC_DST - CC_SRC2, CC_SRC); | |
913 | ret |= get_C_add_xcc(CC_DST, CC_SRC); | |
914 | ret |= get_V_add_xcc(CC_DST, CC_SRC, CC_SRC2); | |
915 | return ret; | |
916 | } | |
917 | ||
918 | static uint32_t compute_C_addx_xcc(void) | |
919 | { | |
920 | uint32_t ret; | |
921 | ||
922 | ret = get_C_add_xcc(CC_DST - CC_SRC2, CC_SRC); | |
923 | ret |= get_C_add_xcc(CC_DST, CC_SRC); | |
924 | return ret; | |
925 | } | |
926 | #endif | |
927 | ||
928 | static inline uint32_t get_V_tag_icc(target_ulong src1, target_ulong src2) | |
929 | { | |
930 | uint32_t ret = 0; | |
931 | ||
932 | if ((src1 | src2) & 0x3) | |
933 | ret |= PSR_OVF; | |
934 | return ret; | |
935 | } | |
936 | ||
937 | static uint32_t compute_all_tadd(void) | |
938 | { | |
939 | uint32_t ret; | |
940 | ||
941 | ret = get_NZ_icc(CC_DST); | |
942 | ret |= get_C_add_icc(CC_DST, CC_SRC); | |
943 | ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2); | |
944 | ret |= get_V_tag_icc(CC_SRC, CC_SRC2); | |
945 | return ret; | |
946 | } | |
947 | ||
948 | static uint32_t compute_C_tadd(void) | |
949 | { | |
950 | return get_C_add_icc(CC_DST, CC_SRC); | |
951 | } | |
952 | ||
953 | static uint32_t compute_all_taddtv(void) | |
954 | { | |
955 | uint32_t ret; | |
956 | ||
957 | ret = get_NZ_icc(CC_DST); | |
958 | ret |= get_C_add_icc(CC_DST, CC_SRC); | |
959 | return ret; | |
960 | } | |
961 | ||
962 | static uint32_t compute_C_taddtv(void) | |
963 | { | |
964 | return get_C_add_icc(CC_DST, CC_SRC); | |
965 | } | |
966 | ||
967 | static inline uint32_t get_C_sub_icc(target_ulong src1, target_ulong src2) | |
968 | { | |
969 | uint32_t ret = 0; | |
970 | ||
971 | if ((src1 & 0xffffffffULL) < (src2 & 0xffffffffULL)) | |
972 | ret |= PSR_CARRY; | |
973 | return ret; | |
974 | } | |
975 | ||
976 | static inline uint32_t get_V_sub_icc(target_ulong dst, target_ulong src1, | |
977 | target_ulong src2) | |
978 | { | |
979 | uint32_t ret = 0; | |
980 | ||
981 | if (((src1 ^ src2) & (src1 ^ dst)) & (1ULL << 31)) | |
982 | ret |= PSR_OVF; | |
983 | return ret; | |
984 | } | |
985 | ||
986 | static uint32_t compute_all_sub(void) | |
987 | { | |
988 | uint32_t ret; | |
989 | ||
990 | ret = get_NZ_icc(CC_DST); | |
991 | ret |= get_C_sub_icc(CC_SRC, CC_SRC2); | |
992 | ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2); | |
993 | return ret; | |
994 | } | |
995 | ||
996 | static uint32_t compute_C_sub(void) | |
997 | { | |
998 | return get_C_sub_icc(CC_SRC, CC_SRC2); | |
999 | } | |
1000 | ||
1001 | #ifdef TARGET_SPARC64 | |
1002 | static inline uint32_t get_C_sub_xcc(target_ulong src1, target_ulong src2) | |
1003 | { | |
1004 | uint32_t ret = 0; | |
1005 | ||
1006 | if (src1 < src2) | |
1007 | ret |= PSR_CARRY; | |
1008 | return ret; | |
1009 | } | |
1010 | ||
1011 | static inline uint32_t get_V_sub_xcc(target_ulong dst, target_ulong src1, | |
1012 | target_ulong src2) | |
1013 | { | |
1014 | uint32_t ret = 0; | |
1015 | ||
1016 | if (((src1 ^ src2) & (src1 ^ dst)) & (1ULL << 63)) | |
1017 | ret |= PSR_OVF; | |
1018 | return ret; | |
1019 | } | |
1020 | ||
1021 | static uint32_t compute_all_sub_xcc(void) | |
1022 | { | |
1023 | uint32_t ret; | |
1024 | ||
1025 | ret = get_NZ_xcc(CC_DST); | |
1026 | ret |= get_C_sub_xcc(CC_SRC, CC_SRC2); | |
1027 | ret |= get_V_sub_xcc(CC_DST, CC_SRC, CC_SRC2); | |
1028 | return ret; | |
1029 | } | |
1030 | ||
1031 | static uint32_t compute_C_sub_xcc(void) | |
1032 | { | |
1033 | return get_C_sub_xcc(CC_SRC, CC_SRC2); | |
1034 | } | |
1035 | #endif | |
1036 | ||
1037 | static uint32_t compute_all_subx(void) | |
1038 | { | |
1039 | uint32_t ret; | |
1040 | ||
1041 | ret = get_NZ_icc(CC_DST); | |
1042 | ret |= get_C_sub_icc(CC_DST - CC_SRC2, CC_SRC); | |
1043 | ret |= get_C_sub_icc(CC_DST, CC_SRC2); | |
1044 | ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2); | |
1045 | return ret; | |
1046 | } | |
1047 | ||
1048 | static uint32_t compute_C_subx(void) | |
1049 | { | |
1050 | uint32_t ret; | |
1051 | ||
1052 | ret = get_C_sub_icc(CC_DST - CC_SRC2, CC_SRC); | |
1053 | ret |= get_C_sub_icc(CC_DST, CC_SRC2); | |
1054 | return ret; | |
1055 | } | |
1056 | ||
1057 | #ifdef TARGET_SPARC64 | |
1058 | static uint32_t compute_all_subx_xcc(void) | |
1059 | { | |
1060 | uint32_t ret; | |
1061 | ||
1062 | ret = get_NZ_xcc(CC_DST); | |
1063 | ret |= get_C_sub_xcc(CC_DST - CC_SRC2, CC_SRC); | |
1064 | ret |= get_C_sub_xcc(CC_DST, CC_SRC2); | |
1065 | ret |= get_V_sub_xcc(CC_DST, CC_SRC, CC_SRC2); | |
1066 | return ret; | |
1067 | } | |
1068 | ||
1069 | static uint32_t compute_C_subx_xcc(void) | |
1070 | { | |
1071 | uint32_t ret; | |
1072 | ||
1073 | ret = get_C_sub_xcc(CC_DST - CC_SRC2, CC_SRC); | |
1074 | ret |= get_C_sub_xcc(CC_DST, CC_SRC2); | |
1075 | return ret; | |
1076 | } | |
1077 | #endif | |
1078 | ||
1079 | static uint32_t compute_all_tsub(void) | |
1080 | { | |
1081 | uint32_t ret; | |
1082 | ||
1083 | ret = get_NZ_icc(CC_DST); | |
1084 | ret |= get_C_sub_icc(CC_DST, CC_SRC); | |
1085 | ret |= get_V_sub_icc(CC_DST, CC_SRC, CC_SRC2); | |
1086 | ret |= get_V_tag_icc(CC_SRC, CC_SRC2); | |
1087 | return ret; | |
1088 | } | |
1089 | ||
1090 | static uint32_t compute_C_tsub(void) | |
1091 | { | |
1092 | return get_C_sub_icc(CC_DST, CC_SRC); | |
1093 | } | |
1094 | ||
1095 | static uint32_t compute_all_tsubtv(void) | |
1096 | { | |
1097 | uint32_t ret; | |
1098 | ||
1099 | ret = get_NZ_icc(CC_DST); | |
1100 | ret |= get_C_sub_icc(CC_DST, CC_SRC); | |
1101 | return ret; | |
1102 | } | |
1103 | ||
1104 | static uint32_t compute_C_tsubtv(void) | |
1105 | { | |
1106 | return get_C_sub_icc(CC_DST, CC_SRC); | |
1107 | } | |
1108 | ||
1109 | static uint32_t compute_all_logic(void) | |
1110 | { | |
1111 | return get_NZ_icc(CC_DST); | |
1112 | } | |
1113 | ||
1114 | static uint32_t compute_C_logic(void) | |
1115 | { | |
1116 | return 0; | |
1117 | } | |
1118 | ||
1119 | #ifdef TARGET_SPARC64 | |
1120 | static uint32_t compute_all_logic_xcc(void) | |
1121 | { | |
1122 | return get_NZ_xcc(CC_DST); | |
1123 | } | |
1124 | #endif | |
1125 | ||
1126 | typedef struct CCTable { | |
1127 | uint32_t (*compute_all)(void); /* return all the flags */ | |
1128 | uint32_t (*compute_c)(void); /* return the C flag */ | |
1129 | } CCTable; | |
1130 | ||
1131 | static const CCTable icc_table[CC_OP_NB] = { | |
1132 | /* CC_OP_DYNAMIC should never happen */ | |
1133 | [CC_OP_FLAGS] = { compute_all_flags, compute_C_flags }, | |
1134 | [CC_OP_DIV] = { compute_all_div, compute_C_div }, | |
1135 | [CC_OP_ADD] = { compute_all_add, compute_C_add }, | |
1136 | [CC_OP_ADDX] = { compute_all_addx, compute_C_addx }, | |
1137 | [CC_OP_TADD] = { compute_all_tadd, compute_C_tadd }, | |
1138 | [CC_OP_TADDTV] = { compute_all_taddtv, compute_C_taddtv }, | |
1139 | [CC_OP_SUB] = { compute_all_sub, compute_C_sub }, | |
1140 | [CC_OP_SUBX] = { compute_all_subx, compute_C_subx }, | |
1141 | [CC_OP_TSUB] = { compute_all_tsub, compute_C_tsub }, | |
1142 | [CC_OP_TSUBTV] = { compute_all_tsubtv, compute_C_tsubtv }, | |
1143 | [CC_OP_LOGIC] = { compute_all_logic, compute_C_logic }, | |
1144 | }; | |
1145 | ||
1146 | #ifdef TARGET_SPARC64 | |
1147 | static const CCTable xcc_table[CC_OP_NB] = { | |
1148 | /* CC_OP_DYNAMIC should never happen */ | |
1149 | [CC_OP_FLAGS] = { compute_all_flags_xcc, compute_C_flags_xcc }, | |
1150 | [CC_OP_DIV] = { compute_all_logic_xcc, compute_C_logic }, | |
1151 | [CC_OP_ADD] = { compute_all_add_xcc, compute_C_add_xcc }, | |
1152 | [CC_OP_ADDX] = { compute_all_addx_xcc, compute_C_addx_xcc }, | |
1153 | [CC_OP_TADD] = { compute_all_add_xcc, compute_C_add_xcc }, | |
1154 | [CC_OP_TADDTV] = { compute_all_add_xcc, compute_C_add_xcc }, | |
1155 | [CC_OP_SUB] = { compute_all_sub_xcc, compute_C_sub_xcc }, | |
1156 | [CC_OP_SUBX] = { compute_all_subx_xcc, compute_C_subx_xcc }, | |
1157 | [CC_OP_TSUB] = { compute_all_sub_xcc, compute_C_sub_xcc }, | |
1158 | [CC_OP_TSUBTV] = { compute_all_sub_xcc, compute_C_sub_xcc }, | |
1159 | [CC_OP_LOGIC] = { compute_all_logic_xcc, compute_C_logic }, | |
1160 | }; | |
1161 | #endif | |
1162 | ||
1163 | void helper_compute_psr(void) | |
1164 | { | |
1165 | uint32_t new_psr; | |
1166 | ||
1167 | new_psr = icc_table[CC_OP].compute_all(); | |
1168 | env->psr = new_psr; | |
1169 | #ifdef TARGET_SPARC64 | |
1170 | new_psr = xcc_table[CC_OP].compute_all(); | |
1171 | env->xcc = new_psr; | |
1172 | #endif | |
1173 | CC_OP = CC_OP_FLAGS; | |
1174 | } | |
1175 | ||
1176 | uint32_t helper_compute_C_icc(void) | |
1177 | { | |
1178 | uint32_t ret; | |
1179 | ||
1180 | ret = icc_table[CC_OP].compute_c() >> PSR_CARRY_SHIFT; | |
1181 | return ret; | |
1182 | } | |
1183 | ||
1184 | #ifdef TARGET_SPARC64 | |
1185 | GEN_FCMPS(fcmps_fcc1, float32, 22, 0); | |
1186 | GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0); | |
1187 | GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0); | |
1188 | ||
1189 | GEN_FCMPS(fcmps_fcc2, float32, 24, 0); | |
1190 | GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0); | |
1191 | GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0); | |
1192 | ||
1193 | GEN_FCMPS(fcmps_fcc3, float32, 26, 0); | |
1194 | GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0); | |
1195 | GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0); | |
1196 | ||
1197 | GEN_FCMPS(fcmpes_fcc1, float32, 22, 1); | |
1198 | GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1); | |
1199 | GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1); | |
1200 | ||
1201 | GEN_FCMPS(fcmpes_fcc2, float32, 24, 1); | |
1202 | GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1); | |
1203 | GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1); | |
1204 | ||
1205 | GEN_FCMPS(fcmpes_fcc3, float32, 26, 1); | |
1206 | GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1); | |
1207 | GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1); | |
1208 | #endif | |
1209 | #undef GEN_FCMPS | |
1210 | ||
1211 | #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \ | |
1212 | defined(DEBUG_MXCC) | |
1213 | static void dump_mxcc(CPUState *env) | |
1214 | { | |
1215 | printf("mxccdata: %016llx %016llx %016llx %016llx\n", | |
1216 | env->mxccdata[0], env->mxccdata[1], | |
1217 | env->mxccdata[2], env->mxccdata[3]); | |
1218 | printf("mxccregs: %016llx %016llx %016llx %016llx\n" | |
1219 | " %016llx %016llx %016llx %016llx\n", | |
1220 | env->mxccregs[0], env->mxccregs[1], | |
1221 | env->mxccregs[2], env->mxccregs[3], | |
1222 | env->mxccregs[4], env->mxccregs[5], | |
1223 | env->mxccregs[6], env->mxccregs[7]); | |
1224 | } | |
1225 | #endif | |
1226 | ||
1227 | #if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \ | |
1228 | && defined(DEBUG_ASI) | |
1229 | static void dump_asi(const char *txt, target_ulong addr, int asi, int size, | |
1230 | uint64_t r1) | |
1231 | { | |
1232 | switch (size) | |
1233 | { | |
1234 | case 1: | |
1235 | DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt, | |
1236 | addr, asi, r1 & 0xff); | |
1237 | break; | |
1238 | case 2: | |
1239 | DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt, | |
1240 | addr, asi, r1 & 0xffff); | |
1241 | break; | |
1242 | case 4: | |
1243 | DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt, | |
1244 | addr, asi, r1 & 0xffffffff); | |
1245 | break; | |
1246 | case 8: | |
1247 | DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt, | |
1248 | addr, asi, r1); | |
1249 | break; | |
1250 | } | |
1251 | } | |
1252 | #endif | |
1253 | ||
1254 | #ifndef TARGET_SPARC64 | |
1255 | #ifndef CONFIG_USER_ONLY | |
1256 | uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) | |
1257 | { | |
1258 | uint64_t ret = 0; | |
1259 | #if defined(DEBUG_MXCC) || defined(DEBUG_ASI) | |
1260 | uint32_t last_addr = addr; | |
1261 | #endif | |
1262 | ||
1263 | helper_check_align(addr, size - 1); | |
1264 | switch (asi) { | |
1265 | case 2: /* SuperSparc MXCC registers */ | |
1266 | switch (addr) { | |
1267 | case 0x01c00a00: /* MXCC control register */ | |
1268 | if (size == 8) | |
1269 | ret = env->mxccregs[3]; | |
1270 | else | |
1271 | DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, | |
1272 | size); | |
1273 | break; | |
1274 | case 0x01c00a04: /* MXCC control register */ | |
1275 | if (size == 4) | |
1276 | ret = env->mxccregs[3]; | |
1277 | else | |
1278 | DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, | |
1279 | size); | |
1280 | break; | |
1281 | case 0x01c00c00: /* Module reset register */ | |
1282 | if (size == 8) { | |
1283 | ret = env->mxccregs[5]; | |
1284 | // should we do something here? | |
1285 | } else | |
1286 | DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, | |
1287 | size); | |
1288 | break; | |
1289 | case 0x01c00f00: /* MBus port address register */ | |
1290 | if (size == 8) | |
1291 | ret = env->mxccregs[7]; | |
1292 | else | |
1293 | DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, | |
1294 | size); | |
1295 | break; | |
1296 | default: | |
1297 | DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr, | |
1298 | size); | |
1299 | break; | |
1300 | } | |
1301 | DPRINTF_MXCC("asi = %d, size = %d, sign = %d, " | |
1302 | "addr = %08x -> ret = %" PRIx64 "," | |
1303 | "addr = %08x\n", asi, size, sign, last_addr, ret, addr); | |
1304 | #ifdef DEBUG_MXCC | |
1305 | dump_mxcc(env); | |
1306 | #endif | |
1307 | break; | |
1308 | case 3: /* MMU probe */ | |
1309 | { | |
1310 | int mmulev; | |
1311 | ||
1312 | mmulev = (addr >> 8) & 15; | |
1313 | if (mmulev > 4) | |
1314 | ret = 0; | |
1315 | else | |
1316 | ret = mmu_probe(env, addr, mmulev); | |
1317 | DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n", | |
1318 | addr, mmulev, ret); | |
1319 | } | |
1320 | break; | |
1321 | case 4: /* read MMU regs */ | |
1322 | { | |
1323 | int reg = (addr >> 8) & 0x1f; | |
1324 | ||
1325 | ret = env->mmuregs[reg]; | |
1326 | if (reg == 3) /* Fault status cleared on read */ | |
1327 | env->mmuregs[3] = 0; | |
1328 | else if (reg == 0x13) /* Fault status read */ | |
1329 | ret = env->mmuregs[3]; | |
1330 | else if (reg == 0x14) /* Fault address read */ | |
1331 | ret = env->mmuregs[4]; | |
1332 | DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret); | |
1333 | } | |
1334 | break; | |
1335 | case 5: // Turbosparc ITLB Diagnostic | |
1336 | case 6: // Turbosparc DTLB Diagnostic | |
1337 | case 7: // Turbosparc IOTLB Diagnostic | |
1338 | break; | |
1339 | case 9: /* Supervisor code access */ | |
1340 | switch(size) { | |
1341 | case 1: | |
1342 | ret = ldub_code(addr); | |
1343 | break; | |
1344 | case 2: | |
1345 | ret = lduw_code(addr); | |
1346 | break; | |
1347 | default: | |
1348 | case 4: | |
1349 | ret = ldl_code(addr); | |
1350 | break; | |
1351 | case 8: | |
1352 | ret = ldq_code(addr); | |
1353 | break; | |
1354 | } | |
1355 | break; | |
1356 | case 0xa: /* User data access */ | |
1357 | switch(size) { | |
1358 | case 1: | |
1359 | ret = ldub_user(addr); | |
1360 | break; | |
1361 | case 2: | |
1362 | ret = lduw_user(addr); | |
1363 | break; | |
1364 | default: | |
1365 | case 4: | |
1366 | ret = ldl_user(addr); | |
1367 | break; | |
1368 | case 8: | |
1369 | ret = ldq_user(addr); | |
1370 | break; | |
1371 | } | |
1372 | break; | |
1373 | case 0xb: /* Supervisor data access */ | |
1374 | switch(size) { | |
1375 | case 1: | |
1376 | ret = ldub_kernel(addr); | |
1377 | break; | |
1378 | case 2: | |
1379 | ret = lduw_kernel(addr); | |
1380 | break; | |
1381 | default: | |
1382 | case 4: | |
1383 | ret = ldl_kernel(addr); | |
1384 | break; | |
1385 | case 8: | |
1386 | ret = ldq_kernel(addr); | |
1387 | break; | |
1388 | } | |
1389 | break; | |
1390 | case 0xc: /* I-cache tag */ | |
1391 | case 0xd: /* I-cache data */ | |
1392 | case 0xe: /* D-cache tag */ | |
1393 | case 0xf: /* D-cache data */ | |
1394 | break; | |
1395 | case 0x20: /* MMU passthrough */ | |
1396 | switch(size) { | |
1397 | case 1: | |
1398 | ret = ldub_phys(addr); | |
1399 | break; | |
1400 | case 2: | |
1401 | ret = lduw_phys(addr); | |
1402 | break; | |
1403 | default: | |
1404 | case 4: | |
1405 | ret = ldl_phys(addr); | |
1406 | break; | |
1407 | case 8: | |
1408 | ret = ldq_phys(addr); | |
1409 | break; | |
1410 | } | |
1411 | break; | |
1412 | case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */ | |
1413 | switch(size) { | |
1414 | case 1: | |
1415 | ret = ldub_phys((target_phys_addr_t)addr | |
1416 | | ((target_phys_addr_t)(asi & 0xf) << 32)); | |
1417 | break; | |
1418 | case 2: | |
1419 | ret = lduw_phys((target_phys_addr_t)addr | |
1420 | | ((target_phys_addr_t)(asi & 0xf) << 32)); | |
1421 | break; | |
1422 | default: | |
1423 | case 4: | |
1424 | ret = ldl_phys((target_phys_addr_t)addr | |
1425 | | ((target_phys_addr_t)(asi & 0xf) << 32)); | |
1426 | break; | |
1427 | case 8: | |
1428 | ret = ldq_phys((target_phys_addr_t)addr | |
1429 | | ((target_phys_addr_t)(asi & 0xf) << 32)); | |
1430 | break; | |
1431 | } | |
1432 | break; | |
1433 | case 0x30: // Turbosparc secondary cache diagnostic | |
1434 | case 0x31: // Turbosparc RAM snoop | |
1435 | case 0x32: // Turbosparc page table descriptor diagnostic | |
1436 | case 0x39: /* data cache diagnostic register */ | |
1437 | ret = 0; | |
1438 | break; | |
1439 | case 0x38: /* SuperSPARC MMU Breakpoint Control Registers */ | |
1440 | { | |
1441 | int reg = (addr >> 8) & 3; | |
1442 | ||
1443 | switch(reg) { | |
1444 | case 0: /* Breakpoint Value (Addr) */ | |
1445 | ret = env->mmubpregs[reg]; | |
1446 | break; | |
1447 | case 1: /* Breakpoint Mask */ | |
1448 | ret = env->mmubpregs[reg]; | |
1449 | break; | |
1450 | case 2: /* Breakpoint Control */ | |
1451 | ret = env->mmubpregs[reg]; | |
1452 | break; | |
1453 | case 3: /* Breakpoint Status */ | |
1454 | ret = env->mmubpregs[reg]; | |
1455 | env->mmubpregs[reg] = 0ULL; | |
1456 | break; | |
1457 | } | |
1458 | DPRINTF_MMU("read breakpoint reg[%d] 0x%016llx\n", reg, ret); | |
1459 | } | |
1460 | break; | |
1461 | case 8: /* User code access, XXX */ | |
1462 | default: | |
1463 | do_unassigned_access(addr, 0, 0, asi, size); | |
1464 | ret = 0; | |
1465 | break; | |
1466 | } | |
1467 | if (sign) { | |
1468 | switch(size) { | |
1469 | case 1: | |
1470 | ret = (int8_t) ret; | |
1471 | break; | |
1472 | case 2: | |
1473 | ret = (int16_t) ret; | |
1474 | break; | |
1475 | case 4: | |
1476 | ret = (int32_t) ret; | |
1477 | break; | |
1478 | default: | |
1479 | break; | |
1480 | } | |
1481 | } | |
1482 | #ifdef DEBUG_ASI | |
1483 | dump_asi("read ", last_addr, asi, size, ret); | |
1484 | #endif | |
1485 | return ret; | |
1486 | } | |
1487 | ||
1488 | void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size) | |
1489 | { | |
1490 | helper_check_align(addr, size - 1); | |
1491 | switch(asi) { | |
1492 | case 2: /* SuperSparc MXCC registers */ | |
1493 | switch (addr) { | |
1494 | case 0x01c00000: /* MXCC stream data register 0 */ | |
1495 | if (size == 8) | |
1496 | env->mxccdata[0] = val; | |
1497 | else | |
1498 | DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, | |
1499 | size); | |
1500 | break; | |
1501 | case 0x01c00008: /* MXCC stream data register 1 */ | |
1502 | if (size == 8) | |
1503 | env->mxccdata[1] = val; | |
1504 | else | |
1505 | DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, | |
1506 | size); | |
1507 | break; | |
1508 | case 0x01c00010: /* MXCC stream data register 2 */ | |
1509 | if (size == 8) | |
1510 | env->mxccdata[2] = val; | |
1511 | else | |
1512 | DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, | |
1513 | size); | |
1514 | break; | |
1515 | case 0x01c00018: /* MXCC stream data register 3 */ | |
1516 | if (size == 8) | |
1517 | env->mxccdata[3] = val; | |
1518 | else | |
1519 | DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, | |
1520 | size); | |
1521 | break; | |
1522 | case 0x01c00100: /* MXCC stream source */ | |
1523 | if (size == 8) | |
1524 | env->mxccregs[0] = val; | |
1525 | else | |
1526 | DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, | |
1527 | size); | |
1528 | env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + | |
1529 | 0); | |
1530 | env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + | |
1531 | 8); | |
1532 | env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + | |
1533 | 16); | |
1534 | env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) + | |
1535 | 24); | |
1536 | break; | |
1537 | case 0x01c00200: /* MXCC stream destination */ | |
1538 | if (size == 8) | |
1539 | env->mxccregs[1] = val; | |
1540 | else | |
1541 | DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, | |
1542 | size); | |
1543 | stq_phys((env->mxccregs[1] & 0xffffffffULL) + 0, | |
1544 | env->mxccdata[0]); | |
1545 | stq_phys((env->mxccregs[1] & 0xffffffffULL) + 8, | |
1546 | env->mxccdata[1]); | |
1547 | stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16, | |
1548 | env->mxccdata[2]); | |
1549 | stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24, | |
1550 | env->mxccdata[3]); | |
1551 | break; | |
1552 | case 0x01c00a00: /* MXCC control register */ | |
1553 | if (size == 8) | |
1554 | env->mxccregs[3] = val; | |
1555 | else | |
1556 | DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, | |
1557 | size); | |
1558 | break; | |
1559 | case 0x01c00a04: /* MXCC control register */ | |
1560 | if (size == 4) | |
1561 | env->mxccregs[3] = (env->mxccregs[3] & 0xffffffff00000000ULL) | |
1562 | | val; | |
1563 | else | |
1564 | DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, | |
1565 | size); | |
1566 | break; | |
1567 | case 0x01c00e00: /* MXCC error register */ | |
1568 | // writing a 1 bit clears the error | |
1569 | if (size == 8) | |
1570 | env->mxccregs[6] &= ~val; | |
1571 | else | |
1572 | DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, | |
1573 | size); | |
1574 | break; | |
1575 | case 0x01c00f00: /* MBus port address register */ | |
1576 | if (size == 8) | |
1577 | env->mxccregs[7] = val; | |
1578 | else | |
1579 | DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr, | |
1580 | size); | |
1581 | break; | |
1582 | default: | |
1583 | DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr, | |
1584 | size); | |
1585 | break; | |
1586 | } | |
1587 | DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %" PRIx64 "\n", | |
1588 | asi, size, addr, val); | |
1589 | #ifdef DEBUG_MXCC | |
1590 | dump_mxcc(env); | |
1591 | #endif | |
1592 | break; | |
1593 | case 3: /* MMU flush */ | |
1594 | { | |
1595 | int mmulev; | |
1596 | ||
1597 | mmulev = (addr >> 8) & 15; | |
1598 | DPRINTF_MMU("mmu flush level %d\n", mmulev); | |
1599 | switch (mmulev) { | |
1600 | case 0: // flush page | |
1601 | tlb_flush_page(env, addr & 0xfffff000); | |
1602 | break; | |
1603 | case 1: // flush segment (256k) | |
1604 | case 2: // flush region (16M) | |
1605 | case 3: // flush context (4G) | |
1606 | case 4: // flush entire | |
1607 | tlb_flush(env, 1); | |
1608 | break; | |
1609 | default: | |
1610 | break; | |
1611 | } | |
1612 | #ifdef DEBUG_MMU | |
1613 | dump_mmu(env); | |
1614 | #endif | |
1615 | } | |
1616 | break; | |
1617 | case 4: /* write MMU regs */ | |
1618 | { | |
1619 | int reg = (addr >> 8) & 0x1f; | |
1620 | uint32_t oldreg; | |
1621 | ||
1622 | oldreg = env->mmuregs[reg]; | |
1623 | switch(reg) { | |
1624 | case 0: // Control Register | |
1625 | env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) | | |
1626 | (val & 0x00ffffff); | |
1627 | // Mappings generated during no-fault mode or MMU | |
1628 | // disabled mode are invalid in normal mode | |
1629 | if ((oldreg & (MMU_E | MMU_NF | env->def->mmu_bm)) != | |
1630 | (env->mmuregs[reg] & (MMU_E | MMU_NF | env->def->mmu_bm))) | |
1631 | tlb_flush(env, 1); | |
1632 | break; | |
1633 | case 1: // Context Table Pointer Register | |
1634 | env->mmuregs[reg] = val & env->def->mmu_ctpr_mask; | |
1635 | break; | |
1636 | case 2: // Context Register | |
1637 | env->mmuregs[reg] = val & env->def->mmu_cxr_mask; | |
1638 | if (oldreg != env->mmuregs[reg]) { | |
1639 | /* we flush when the MMU context changes because | |
1640 | QEMU has no MMU context support */ | |
1641 | tlb_flush(env, 1); | |
1642 | } | |
1643 | break; | |
1644 | case 3: // Synchronous Fault Status Register with Clear | |
1645 | case 4: // Synchronous Fault Address Register | |
1646 | break; | |
1647 | case 0x10: // TLB Replacement Control Register | |
1648 | env->mmuregs[reg] = val & env->def->mmu_trcr_mask; | |
1649 | break; | |
1650 | case 0x13: // Synchronous Fault Status Register with Read and Clear | |
1651 | env->mmuregs[3] = val & env->def->mmu_sfsr_mask; | |
1652 | break; | |
1653 | case 0x14: // Synchronous Fault Address Register | |
1654 | env->mmuregs[4] = val; | |
1655 | break; | |
1656 | default: | |
1657 | env->mmuregs[reg] = val; | |
1658 | break; | |
1659 | } | |
1660 | if (oldreg != env->mmuregs[reg]) { | |
1661 | DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n", | |
1662 | reg, oldreg, env->mmuregs[reg]); | |
1663 | } | |
1664 | #ifdef DEBUG_MMU | |
1665 | dump_mmu(env); | |
1666 | #endif | |
1667 | } | |
1668 | break; | |
1669 | case 5: // Turbosparc ITLB Diagnostic | |
1670 | case 6: // Turbosparc DTLB Diagnostic | |
1671 | case 7: // Turbosparc IOTLB Diagnostic | |
1672 | break; | |
1673 | case 0xa: /* User data access */ | |
1674 | switch(size) { | |
1675 | case 1: | |
1676 | stb_user(addr, val); | |
1677 | break; | |
1678 | case 2: | |
1679 | stw_user(addr, val); | |
1680 | break; | |
1681 | default: | |
1682 | case 4: | |
1683 | stl_user(addr, val); | |
1684 | break; | |
1685 | case 8: | |
1686 | stq_user(addr, val); | |
1687 | break; | |
1688 | } | |
1689 | break; | |
1690 | case 0xb: /* Supervisor data access */ | |
1691 | switch(size) { | |
1692 | case 1: | |
1693 | stb_kernel(addr, val); | |
1694 | break; | |
1695 | case 2: | |
1696 | stw_kernel(addr, val); | |
1697 | break; | |
1698 | default: | |
1699 | case 4: | |
1700 | stl_kernel(addr, val); | |
1701 | break; | |
1702 | case 8: | |
1703 | stq_kernel(addr, val); | |
1704 | break; | |
1705 | } | |
1706 | break; | |
1707 | case 0xc: /* I-cache tag */ | |
1708 | case 0xd: /* I-cache data */ | |
1709 | case 0xe: /* D-cache tag */ | |
1710 | case 0xf: /* D-cache data */ | |
1711 | case 0x10: /* I/D-cache flush page */ | |
1712 | case 0x11: /* I/D-cache flush segment */ | |
1713 | case 0x12: /* I/D-cache flush region */ | |
1714 | case 0x13: /* I/D-cache flush context */ | |
1715 | case 0x14: /* I/D-cache flush user */ | |
1716 | break; | |
1717 | case 0x17: /* Block copy, sta access */ | |
1718 | { | |
1719 | // val = src | |
1720 | // addr = dst | |
1721 | // copy 32 bytes | |
1722 | unsigned int i; | |
1723 | uint32_t src = val & ~3, dst = addr & ~3, temp; | |
1724 | ||
1725 | for (i = 0; i < 32; i += 4, src += 4, dst += 4) { | |
1726 | temp = ldl_kernel(src); | |
1727 | stl_kernel(dst, temp); | |
1728 | } | |
1729 | } | |
1730 | break; | |
1731 | case 0x1f: /* Block fill, stda access */ | |
1732 | { | |
1733 | // addr = dst | |
1734 | // fill 32 bytes with val | |
1735 | unsigned int i; | |
1736 | uint32_t dst = addr & 7; | |
1737 | ||
1738 | for (i = 0; i < 32; i += 8, dst += 8) | |
1739 | stq_kernel(dst, val); | |
1740 | } | |
1741 | break; | |
1742 | case 0x20: /* MMU passthrough */ | |
1743 | { | |
1744 | switch(size) { | |
1745 | case 1: | |
1746 | stb_phys(addr, val); | |
1747 | break; | |
1748 | case 2: | |
1749 | stw_phys(addr, val); | |
1750 | break; | |
1751 | case 4: | |
1752 | default: | |
1753 | stl_phys(addr, val); | |
1754 | break; | |
1755 | case 8: | |
1756 | stq_phys(addr, val); | |
1757 | break; | |
1758 | } | |
1759 | } | |
1760 | break; | |
1761 | case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */ | |
1762 | { | |
1763 | switch(size) { | |
1764 | case 1: | |
1765 | stb_phys((target_phys_addr_t)addr | |
1766 | | ((target_phys_addr_t)(asi & 0xf) << 32), val); | |
1767 | break; | |
1768 | case 2: | |
1769 | stw_phys((target_phys_addr_t)addr | |
1770 | | ((target_phys_addr_t)(asi & 0xf) << 32), val); | |
1771 | break; | |
1772 | case 4: | |
1773 | default: | |
1774 | stl_phys((target_phys_addr_t)addr | |
1775 | | ((target_phys_addr_t)(asi & 0xf) << 32), val); | |
1776 | break; | |
1777 | case 8: | |
1778 | stq_phys((target_phys_addr_t)addr | |
1779 | | ((target_phys_addr_t)(asi & 0xf) << 32), val); | |
1780 | break; | |
1781 | } | |
1782 | } | |
1783 | break; | |
1784 | case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic | |
1785 | case 0x31: // store buffer data, Ross RT620 I-cache flush or | |
1786 | // Turbosparc snoop RAM | |
1787 | case 0x32: // store buffer control or Turbosparc page table | |
1788 | // descriptor diagnostic | |
1789 | case 0x36: /* I-cache flash clear */ | |
1790 | case 0x37: /* D-cache flash clear */ | |
1791 | case 0x4c: /* breakpoint action */ | |
1792 | break; | |
1793 | case 0x38: /* SuperSPARC MMU Breakpoint Control Registers*/ | |
1794 | { | |
1795 | int reg = (addr >> 8) & 3; | |
1796 | ||
1797 | switch(reg) { | |
1798 | case 0: /* Breakpoint Value (Addr) */ | |
1799 | env->mmubpregs[reg] = (val & 0xfffffffffULL); | |
1800 | break; | |
1801 | case 1: /* Breakpoint Mask */ | |
1802 | env->mmubpregs[reg] = (val & 0xfffffffffULL); | |
1803 | break; | |
1804 | case 2: /* Breakpoint Control */ | |
1805 | env->mmubpregs[reg] = (val & 0x7fULL); | |
1806 | break; | |
1807 | case 3: /* Breakpoint Status */ | |
1808 | env->mmubpregs[reg] = (val & 0xfULL); | |
1809 | break; | |
1810 | } | |
1811 | DPRINTF_MMU("write breakpoint reg[%d] 0x%016llx\n", reg, | |
1812 | env->mmuregs[reg]); | |
1813 | } | |
1814 | break; | |
1815 | case 8: /* User code access, XXX */ | |
1816 | case 9: /* Supervisor code access, XXX */ | |
1817 | default: | |
1818 | do_unassigned_access(addr, 1, 0, asi, size); | |
1819 | break; | |
1820 | } | |
1821 | #ifdef DEBUG_ASI | |
1822 | dump_asi("write", addr, asi, size, val); | |
1823 | #endif | |
1824 | } | |
1825 | ||
1826 | #endif /* CONFIG_USER_ONLY */ | |
1827 | #else /* TARGET_SPARC64 */ | |
1828 | ||
1829 | #ifdef CONFIG_USER_ONLY | |
1830 | uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) | |
1831 | { | |
1832 | uint64_t ret = 0; | |
1833 | #if defined(DEBUG_ASI) | |
1834 | target_ulong last_addr = addr; | |
1835 | #endif | |
1836 | ||
1837 | if (asi < 0x80) | |
1838 | raise_exception(TT_PRIV_ACT); | |
1839 | ||
1840 | helper_check_align(addr, size - 1); | |
1841 | address_mask(env, &addr); | |
1842 | ||
1843 | switch (asi) { | |
1844 | case 0x82: // Primary no-fault | |
1845 | case 0x8a: // Primary no-fault LE | |
1846 | if (page_check_range(addr, size, PAGE_READ) == -1) { | |
1847 | #ifdef DEBUG_ASI | |
1848 | dump_asi("read ", last_addr, asi, size, ret); | |
1849 | #endif | |
1850 | return 0; | |
1851 | } | |
1852 | // Fall through | |
1853 | case 0x80: // Primary | |
1854 | case 0x88: // Primary LE | |
1855 | { | |
1856 | switch(size) { | |
1857 | case 1: | |
1858 | ret = ldub_raw(addr); | |
1859 | break; | |
1860 | case 2: | |
1861 | ret = lduw_raw(addr); | |
1862 | break; | |
1863 | case 4: | |
1864 | ret = ldl_raw(addr); | |
1865 | break; | |
1866 | default: | |
1867 | case 8: | |
1868 | ret = ldq_raw(addr); | |
1869 | break; | |
1870 | } | |
1871 | } | |
1872 | break; | |
1873 | case 0x83: // Secondary no-fault | |
1874 | case 0x8b: // Secondary no-fault LE | |
1875 | if (page_check_range(addr, size, PAGE_READ) == -1) { | |
1876 | #ifdef DEBUG_ASI | |
1877 | dump_asi("read ", last_addr, asi, size, ret); | |
1878 | #endif | |
1879 | return 0; | |
1880 | } | |
1881 | // Fall through | |
1882 | case 0x81: // Secondary | |
1883 | case 0x89: // Secondary LE | |
1884 | // XXX | |
1885 | break; | |
1886 | default: | |
1887 | break; | |
1888 | } | |
1889 | ||
1890 | /* Convert from little endian */ | |
1891 | switch (asi) { | |
1892 | case 0x88: // Primary LE | |
1893 | case 0x89: // Secondary LE | |
1894 | case 0x8a: // Primary no-fault LE | |
1895 | case 0x8b: // Secondary no-fault LE | |
1896 | switch(size) { | |
1897 | case 2: | |
1898 | ret = bswap16(ret); | |
1899 | break; | |
1900 | case 4: | |
1901 | ret = bswap32(ret); | |
1902 | break; | |
1903 | case 8: | |
1904 | ret = bswap64(ret); | |
1905 | break; | |
1906 | default: | |
1907 | break; | |
1908 | } | |
1909 | default: | |
1910 | break; | |
1911 | } | |
1912 | ||
1913 | /* Convert to signed number */ | |
1914 | if (sign) { | |
1915 | switch(size) { | |
1916 | case 1: | |
1917 | ret = (int8_t) ret; | |
1918 | break; | |
1919 | case 2: | |
1920 | ret = (int16_t) ret; | |
1921 | break; | |
1922 | case 4: | |
1923 | ret = (int32_t) ret; | |
1924 | break; | |
1925 | default: | |
1926 | break; | |
1927 | } | |
1928 | } | |
1929 | #ifdef DEBUG_ASI | |
1930 | dump_asi("read ", last_addr, asi, size, ret); | |
1931 | #endif | |
1932 | return ret; | |
1933 | } | |
1934 | ||
1935 | void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size) | |
1936 | { | |
1937 | #ifdef DEBUG_ASI | |
1938 | dump_asi("write", addr, asi, size, val); | |
1939 | #endif | |
1940 | if (asi < 0x80) | |
1941 | raise_exception(TT_PRIV_ACT); | |
1942 | ||
1943 | helper_check_align(addr, size - 1); | |
1944 | address_mask(env, &addr); | |
1945 | ||
1946 | /* Convert to little endian */ | |
1947 | switch (asi) { | |
1948 | case 0x88: // Primary LE | |
1949 | case 0x89: // Secondary LE | |
1950 | switch(size) { | |
1951 | case 2: | |
1952 | val = bswap16(val); | |
1953 | break; | |
1954 | case 4: | |
1955 | val = bswap32(val); | |
1956 | break; | |
1957 | case 8: | |
1958 | val = bswap64(val); | |
1959 | break; | |
1960 | default: | |
1961 | break; | |
1962 | } | |
1963 | default: | |
1964 | break; | |
1965 | } | |
1966 | ||
1967 | switch(asi) { | |
1968 | case 0x80: // Primary | |
1969 | case 0x88: // Primary LE | |
1970 | { | |
1971 | switch(size) { | |
1972 | case 1: | |
1973 | stb_raw(addr, val); | |
1974 | break; | |
1975 | case 2: | |
1976 | stw_raw(addr, val); | |
1977 | break; | |
1978 | case 4: | |
1979 | stl_raw(addr, val); | |
1980 | break; | |
1981 | case 8: | |
1982 | default: | |
1983 | stq_raw(addr, val); | |
1984 | break; | |
1985 | } | |
1986 | } | |
1987 | break; | |
1988 | case 0x81: // Secondary | |
1989 | case 0x89: // Secondary LE | |
1990 | // XXX | |
1991 | return; | |
1992 | ||
1993 | case 0x82: // Primary no-fault, RO | |
1994 | case 0x83: // Secondary no-fault, RO | |
1995 | case 0x8a: // Primary no-fault LE, RO | |
1996 | case 0x8b: // Secondary no-fault LE, RO | |
1997 | default: | |
1998 | do_unassigned_access(addr, 1, 0, 1, size); | |
1999 | return; | |
2000 | } | |
2001 | } | |
2002 | ||
2003 | #else /* CONFIG_USER_ONLY */ | |
2004 | ||
2005 | uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) | |
2006 | { | |
2007 | uint64_t ret = 0; | |
2008 | #if defined(DEBUG_ASI) | |
2009 | target_ulong last_addr = addr; | |
2010 | #endif | |
2011 | ||
2012 | if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) | |
2013 | || ((env->def->features & CPU_FEATURE_HYPV) | |
2014 | && asi >= 0x30 && asi < 0x80 | |
2015 | && !(env->hpstate & HS_PRIV))) | |
2016 | raise_exception(TT_PRIV_ACT); | |
2017 | ||
2018 | helper_check_align(addr, size - 1); | |
2019 | switch (asi) { | |
2020 | case 0x82: // Primary no-fault | |
2021 | case 0x8a: // Primary no-fault LE | |
2022 | if (cpu_get_phys_page_debug(env, addr) == -1ULL) { | |
2023 | #ifdef DEBUG_ASI | |
2024 | dump_asi("read ", last_addr, asi, size, ret); | |
2025 | #endif | |
2026 | return 0; | |
2027 | } | |
2028 | // Fall through | |
2029 | case 0x10: // As if user primary | |
2030 | case 0x18: // As if user primary LE | |
2031 | case 0x80: // Primary | |
2032 | case 0x88: // Primary LE | |
2033 | case 0xe2: // UA2007 Primary block init | |
2034 | case 0xe3: // UA2007 Secondary block init | |
2035 | if ((asi & 0x80) && (env->pstate & PS_PRIV)) { | |
2036 | if ((env->def->features & CPU_FEATURE_HYPV) | |
2037 | && env->hpstate & HS_PRIV) { | |
2038 | switch(size) { | |
2039 | case 1: | |
2040 | ret = ldub_hypv(addr); | |
2041 | break; | |
2042 | case 2: | |
2043 | ret = lduw_hypv(addr); | |
2044 | break; | |
2045 | case 4: | |
2046 | ret = ldl_hypv(addr); | |
2047 | break; | |
2048 | default: | |
2049 | case 8: | |
2050 | ret = ldq_hypv(addr); | |
2051 | break; | |
2052 | } | |
2053 | } else { | |
2054 | switch(size) { | |
2055 | case 1: | |
2056 | ret = ldub_kernel(addr); | |
2057 | break; | |
2058 | case 2: | |
2059 | ret = lduw_kernel(addr); | |
2060 | break; | |
2061 | case 4: | |
2062 | ret = ldl_kernel(addr); | |
2063 | break; | |
2064 | default: | |
2065 | case 8: | |
2066 | ret = ldq_kernel(addr); | |
2067 | break; | |
2068 | } | |
2069 | } | |
2070 | } else { | |
2071 | switch(size) { | |
2072 | case 1: | |
2073 | ret = ldub_user(addr); | |
2074 | break; | |
2075 | case 2: | |
2076 | ret = lduw_user(addr); | |
2077 | break; | |
2078 | case 4: | |
2079 | ret = ldl_user(addr); | |
2080 | break; | |
2081 | default: | |
2082 | case 8: | |
2083 | ret = ldq_user(addr); | |
2084 | break; | |
2085 | } | |
2086 | } | |
2087 | break; | |
2088 | case 0x14: // Bypass | |
2089 | case 0x15: // Bypass, non-cacheable | |
2090 | case 0x1c: // Bypass LE | |
2091 | case 0x1d: // Bypass, non-cacheable LE | |
2092 | { | |
2093 | switch(size) { | |
2094 | case 1: | |
2095 | ret = ldub_phys(addr); | |
2096 | break; | |
2097 | case 2: | |
2098 | ret = lduw_phys(addr); | |
2099 | break; | |
2100 | case 4: | |
2101 | ret = ldl_phys(addr); | |
2102 | break; | |
2103 | default: | |
2104 | case 8: | |
2105 | ret = ldq_phys(addr); | |
2106 | break; | |
2107 | } | |
2108 | break; | |
2109 | } | |
2110 | case 0x24: // Nucleus quad LDD 128 bit atomic | |
2111 | case 0x2c: // Nucleus quad LDD 128 bit atomic LE | |
2112 | // Only ldda allowed | |
2113 | raise_exception(TT_ILL_INSN); | |
2114 | return 0; | |
2115 | case 0x83: // Secondary no-fault | |
2116 | case 0x8b: // Secondary no-fault LE | |
2117 | if (cpu_get_phys_page_debug(env, addr) == -1ULL) { | |
2118 | #ifdef DEBUG_ASI | |
2119 | dump_asi("read ", last_addr, asi, size, ret); | |
2120 | #endif | |
2121 | return 0; | |
2122 | } | |
2123 | // Fall through | |
2124 | case 0x04: // Nucleus | |
2125 | case 0x0c: // Nucleus Little Endian (LE) | |
2126 | case 0x11: // As if user secondary | |
2127 | case 0x19: // As if user secondary LE | |
2128 | case 0x4a: // UPA config | |
2129 | case 0x81: // Secondary | |
2130 | case 0x89: // Secondary LE | |
2131 | // XXX | |
2132 | break; | |
2133 | case 0x45: // LSU | |
2134 | ret = env->lsu; | |
2135 | break; | |
2136 | case 0x50: // I-MMU regs | |
2137 | { | |
2138 | int reg = (addr >> 3) & 0xf; | |
2139 | ||
2140 | if (reg == 0) { | |
2141 | // I-TSB Tag Target register | |
2142 | ret = ultrasparc_tag_target(env->immuregs[6]); | |
2143 | } else { | |
2144 | ret = env->immuregs[reg]; | |
2145 | } | |
2146 | ||
2147 | break; | |
2148 | } | |
2149 | case 0x51: // I-MMU 8k TSB pointer | |
2150 | { | |
2151 | // env->immuregs[5] holds I-MMU TSB register value | |
2152 | // env->immuregs[6] holds I-MMU Tag Access register value | |
2153 | ret = ultrasparc_tsb_pointer(env->immuregs[5], env->immuregs[6], | |
2154 | 8*1024); | |
2155 | break; | |
2156 | } | |
2157 | case 0x52: // I-MMU 64k TSB pointer | |
2158 | { | |
2159 | // env->immuregs[5] holds I-MMU TSB register value | |
2160 | // env->immuregs[6] holds I-MMU Tag Access register value | |
2161 | ret = ultrasparc_tsb_pointer(env->immuregs[5], env->immuregs[6], | |
2162 | 64*1024); | |
2163 | break; | |
2164 | } | |
2165 | case 0x55: // I-MMU data access | |
2166 | { | |
2167 | int reg = (addr >> 3) & 0x3f; | |
2168 | ||
2169 | ret = env->itlb_tte[reg]; | |
2170 | break; | |
2171 | } | |
2172 | case 0x56: // I-MMU tag read | |
2173 | { | |
2174 | int reg = (addr >> 3) & 0x3f; | |
2175 | ||
2176 | ret = env->itlb_tag[reg]; | |
2177 | break; | |
2178 | } | |
2179 | case 0x58: // D-MMU regs | |
2180 | { | |
2181 | int reg = (addr >> 3) & 0xf; | |
2182 | ||
2183 | if (reg == 0) { | |
2184 | // D-TSB Tag Target register | |
2185 | ret = ultrasparc_tag_target(env->dmmuregs[6]); | |
2186 | } else { | |
2187 | ret = env->dmmuregs[reg]; | |
2188 | } | |
2189 | break; | |
2190 | } | |
2191 | case 0x59: // D-MMU 8k TSB pointer | |
2192 | { | |
2193 | // env->dmmuregs[5] holds D-MMU TSB register value | |
2194 | // env->dmmuregs[6] holds D-MMU Tag Access register value | |
2195 | ret = ultrasparc_tsb_pointer(env->dmmuregs[5], env->dmmuregs[6], | |
2196 | 8*1024); | |
2197 | break; | |
2198 | } | |
2199 | case 0x5a: // D-MMU 64k TSB pointer | |
2200 | { | |
2201 | // env->dmmuregs[5] holds D-MMU TSB register value | |
2202 | // env->dmmuregs[6] holds D-MMU Tag Access register value | |
2203 | ret = ultrasparc_tsb_pointer(env->dmmuregs[5], env->dmmuregs[6], | |
2204 | 64*1024); | |
2205 | break; | |
2206 | } | |
2207 | case 0x5d: // D-MMU data access | |
2208 | { | |
2209 | int reg = (addr >> 3) & 0x3f; | |
2210 | ||
2211 | ret = env->dtlb_tte[reg]; | |
2212 | break; | |
2213 | } | |
2214 | case 0x5e: // D-MMU tag read | |
2215 | { | |
2216 | int reg = (addr >> 3) & 0x3f; | |
2217 | ||
2218 | ret = env->dtlb_tag[reg]; | |
2219 | break; | |
2220 | } | |
2221 | case 0x46: // D-cache data | |
2222 | case 0x47: // D-cache tag access | |
2223 | case 0x4b: // E-cache error enable | |
2224 | case 0x4c: // E-cache asynchronous fault status | |
2225 | case 0x4d: // E-cache asynchronous fault address | |
2226 | case 0x4e: // E-cache tag data | |
2227 | case 0x66: // I-cache instruction access | |
2228 | case 0x67: // I-cache tag access | |
2229 | case 0x6e: // I-cache predecode | |
2230 | case 0x6f: // I-cache LRU etc. | |
2231 | case 0x76: // E-cache tag | |
2232 | case 0x7e: // E-cache tag | |
2233 | break; | |
2234 | case 0x5b: // D-MMU data pointer | |
2235 | case 0x48: // Interrupt dispatch, RO | |
2236 | case 0x49: // Interrupt data receive | |
2237 | case 0x7f: // Incoming interrupt vector, RO | |
2238 | // XXX | |
2239 | break; | |
2240 | case 0x54: // I-MMU data in, WO | |
2241 | case 0x57: // I-MMU demap, WO | |
2242 | case 0x5c: // D-MMU data in, WO | |
2243 | case 0x5f: // D-MMU demap, WO | |
2244 | case 0x77: // Interrupt vector, WO | |
2245 | default: | |
2246 | do_unassigned_access(addr, 0, 0, 1, size); | |
2247 | ret = 0; | |
2248 | break; | |
2249 | } | |
2250 | ||
2251 | /* Convert from little endian */ | |
2252 | switch (asi) { | |
2253 | case 0x0c: // Nucleus Little Endian (LE) | |
2254 | case 0x18: // As if user primary LE | |
2255 | case 0x19: // As if user secondary LE | |
2256 | case 0x1c: // Bypass LE | |
2257 | case 0x1d: // Bypass, non-cacheable LE | |
2258 | case 0x88: // Primary LE | |
2259 | case 0x89: // Secondary LE | |
2260 | case 0x8a: // Primary no-fault LE | |
2261 | case 0x8b: // Secondary no-fault LE | |
2262 | switch(size) { | |
2263 | case 2: | |
2264 | ret = bswap16(ret); | |
2265 | break; | |
2266 | case 4: | |
2267 | ret = bswap32(ret); | |
2268 | break; | |
2269 | case 8: | |
2270 | ret = bswap64(ret); | |
2271 | break; | |
2272 | default: | |
2273 | break; | |
2274 | } | |
2275 | default: | |
2276 | break; | |
2277 | } | |
2278 | ||
2279 | /* Convert to signed number */ | |
2280 | if (sign) { | |
2281 | switch(size) { | |
2282 | case 1: | |
2283 | ret = (int8_t) ret; | |
2284 | break; | |
2285 | case 2: | |
2286 | ret = (int16_t) ret; | |
2287 | break; | |
2288 | case 4: | |
2289 | ret = (int32_t) ret; | |
2290 | break; | |
2291 | default: | |
2292 | break; | |
2293 | } | |
2294 | } | |
2295 | #ifdef DEBUG_ASI | |
2296 | dump_asi("read ", last_addr, asi, size, ret); | |
2297 | #endif | |
2298 | return ret; | |
2299 | } | |
2300 | ||
2301 | void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size) | |
2302 | { | |
2303 | #ifdef DEBUG_ASI | |
2304 | dump_asi("write", addr, asi, size, val); | |
2305 | #endif | |
2306 | if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) | |
2307 | || ((env->def->features & CPU_FEATURE_HYPV) | |
2308 | && asi >= 0x30 && asi < 0x80 | |
2309 | && !(env->hpstate & HS_PRIV))) | |
2310 | raise_exception(TT_PRIV_ACT); | |
2311 | ||
2312 | helper_check_align(addr, size - 1); | |
2313 | /* Convert to little endian */ | |
2314 | switch (asi) { | |
2315 | case 0x0c: // Nucleus Little Endian (LE) | |
2316 | case 0x18: // As if user primary LE | |
2317 | case 0x19: // As if user secondary LE | |
2318 | case 0x1c: // Bypass LE | |
2319 | case 0x1d: // Bypass, non-cacheable LE | |
2320 | case 0x88: // Primary LE | |
2321 | case 0x89: // Secondary LE | |
2322 | switch(size) { | |
2323 | case 2: | |
2324 | val = bswap16(val); | |
2325 | break; | |
2326 | case 4: | |
2327 | val = bswap32(val); | |
2328 | break; | |
2329 | case 8: | |
2330 | val = bswap64(val); | |
2331 | break; | |
2332 | default: | |
2333 | break; | |
2334 | } | |
2335 | default: | |
2336 | break; | |
2337 | } | |
2338 | ||
2339 | switch(asi) { | |
2340 | case 0x10: // As if user primary | |
2341 | case 0x18: // As if user primary LE | |
2342 | case 0x80: // Primary | |
2343 | case 0x88: // Primary LE | |
2344 | case 0xe2: // UA2007 Primary block init | |
2345 | case 0xe3: // UA2007 Secondary block init | |
2346 | if ((asi & 0x80) && (env->pstate & PS_PRIV)) { | |
2347 | if ((env->def->features & CPU_FEATURE_HYPV) | |
2348 | && env->hpstate & HS_PRIV) { | |
2349 | switch(size) { | |
2350 | case 1: | |
2351 | stb_hypv(addr, val); | |
2352 | break; | |
2353 | case 2: | |
2354 | stw_hypv(addr, val); | |
2355 | break; | |
2356 | case 4: | |
2357 | stl_hypv(addr, val); | |
2358 | break; | |
2359 | case 8: | |
2360 | default: | |
2361 | stq_hypv(addr, val); | |
2362 | break; | |
2363 | } | |
2364 | } else { | |
2365 | switch(size) { | |
2366 | case 1: | |
2367 | stb_kernel(addr, val); | |
2368 | break; | |
2369 | case 2: | |
2370 | stw_kernel(addr, val); | |
2371 | break; | |
2372 | case 4: | |
2373 | stl_kernel(addr, val); | |
2374 | break; | |
2375 | case 8: | |
2376 | default: | |
2377 | stq_kernel(addr, val); | |
2378 | break; | |
2379 | } | |
2380 | } | |
2381 | } else { | |
2382 | switch(size) { | |
2383 | case 1: | |
2384 | stb_user(addr, val); | |
2385 | break; | |
2386 | case 2: | |
2387 | stw_user(addr, val); | |
2388 | break; | |
2389 | case 4: | |
2390 | stl_user(addr, val); | |
2391 | break; | |
2392 | case 8: | |
2393 | default: | |
2394 | stq_user(addr, val); | |
2395 | break; | |
2396 | } | |
2397 | } | |
2398 | break; | |
2399 | case 0x14: // Bypass | |
2400 | case 0x15: // Bypass, non-cacheable | |
2401 | case 0x1c: // Bypass LE | |
2402 | case 0x1d: // Bypass, non-cacheable LE | |
2403 | { | |
2404 | switch(size) { | |
2405 | case 1: | |
2406 | stb_phys(addr, val); | |
2407 | break; | |
2408 | case 2: | |
2409 | stw_phys(addr, val); | |
2410 | break; | |
2411 | case 4: | |
2412 | stl_phys(addr, val); | |
2413 | break; | |
2414 | case 8: | |
2415 | default: | |
2416 | stq_phys(addr, val); | |
2417 | break; | |
2418 | } | |
2419 | } | |
2420 | return; | |
2421 | case 0x24: // Nucleus quad LDD 128 bit atomic | |
2422 | case 0x2c: // Nucleus quad LDD 128 bit atomic LE | |
2423 | // Only ldda allowed | |
2424 | raise_exception(TT_ILL_INSN); | |
2425 | return; | |
2426 | case 0x04: // Nucleus | |
2427 | case 0x0c: // Nucleus Little Endian (LE) | |
2428 | case 0x11: // As if user secondary | |
2429 | case 0x19: // As if user secondary LE | |
2430 | case 0x4a: // UPA config | |
2431 | case 0x81: // Secondary | |
2432 | case 0x89: // Secondary LE | |
2433 | // XXX | |
2434 | return; | |
2435 | case 0x45: // LSU | |
2436 | { | |
2437 | uint64_t oldreg; | |
2438 | ||
2439 | oldreg = env->lsu; | |
2440 | env->lsu = val & (DMMU_E | IMMU_E); | |
2441 | // Mappings generated during D/I MMU disabled mode are | |
2442 | // invalid in normal mode | |
2443 | if (oldreg != env->lsu) { | |
2444 | DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n", | |
2445 | oldreg, env->lsu); | |
2446 | #ifdef DEBUG_MMU | |
2447 | dump_mmu(env); | |
2448 | #endif | |
2449 | tlb_flush(env, 1); | |
2450 | } | |
2451 | return; | |
2452 | } | |
2453 | case 0x50: // I-MMU regs | |
2454 | { | |
2455 | int reg = (addr >> 3) & 0xf; | |
2456 | uint64_t oldreg; | |
2457 | ||
2458 | oldreg = env->immuregs[reg]; | |
2459 | switch(reg) { | |
2460 | case 0: // RO | |
2461 | case 4: | |
2462 | return; | |
2463 | case 1: // Not in I-MMU | |
2464 | case 2: | |
2465 | case 7: | |
2466 | case 8: | |
2467 | return; | |
2468 | case 3: // SFSR | |
2469 | if ((val & 1) == 0) | |
2470 | val = 0; // Clear SFSR | |
2471 | break; | |
2472 | case 5: // TSB access | |
2473 | case 6: // Tag access | |
2474 | default: | |
2475 | break; | |
2476 | } | |
2477 | env->immuregs[reg] = val; | |
2478 | if (oldreg != env->immuregs[reg]) { | |
2479 | DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" | |
2480 | PRIx64 "\n", reg, oldreg, env->immuregs[reg]); | |
2481 | } | |
2482 | #ifdef DEBUG_MMU | |
2483 | dump_mmu(env); | |
2484 | #endif | |
2485 | return; | |
2486 | } | |
2487 | case 0x54: // I-MMU data in | |
2488 | { | |
2489 | unsigned int i; | |
2490 | ||
2491 | // Try finding an invalid entry | |
2492 | for (i = 0; i < 64; i++) { | |
2493 | if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) { | |
2494 | env->itlb_tag[i] = env->immuregs[6]; | |
2495 | env->itlb_tte[i] = val; | |
2496 | return; | |
2497 | } | |
2498 | } | |
2499 | // Try finding an unlocked entry | |
2500 | for (i = 0; i < 64; i++) { | |
2501 | if ((env->itlb_tte[i] & 0x40) == 0) { | |
2502 | env->itlb_tag[i] = env->immuregs[6]; | |
2503 | env->itlb_tte[i] = val; | |
2504 | return; | |
2505 | } | |
2506 | } | |
2507 | // error state? | |
2508 | return; | |
2509 | } | |
2510 | case 0x55: // I-MMU data access | |
2511 | { | |
2512 | // TODO: auto demap | |
2513 | ||
2514 | unsigned int i = (addr >> 3) & 0x3f; | |
2515 | ||
2516 | env->itlb_tag[i] = env->immuregs[6]; | |
2517 | env->itlb_tte[i] = val; | |
2518 | return; | |
2519 | } | |
2520 | case 0x57: // I-MMU demap | |
2521 | { | |
2522 | unsigned int i; | |
2523 | ||
2524 | for (i = 0; i < 64; i++) { | |
2525 | if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0) { | |
2526 | target_ulong mask = 0xffffffffffffe000ULL; | |
2527 | ||
2528 | mask <<= 3 * ((env->itlb_tte[i] >> 61) & 3); | |
2529 | if ((val & mask) == (env->itlb_tag[i] & mask)) { | |
2530 | env->itlb_tag[i] = 0; | |
2531 | env->itlb_tte[i] = 0; | |
2532 | } | |
2533 | return; | |
2534 | } | |
2535 | } | |
2536 | } | |
2537 | return; | |
2538 | case 0x58: // D-MMU regs | |
2539 | { | |
2540 | int reg = (addr >> 3) & 0xf; | |
2541 | uint64_t oldreg; | |
2542 | ||
2543 | oldreg = env->dmmuregs[reg]; | |
2544 | switch(reg) { | |
2545 | case 0: // RO | |
2546 | case 4: | |
2547 | return; | |
2548 | case 3: // SFSR | |
2549 | if ((val & 1) == 0) { | |
2550 | val = 0; // Clear SFSR, Fault address | |
2551 | env->dmmuregs[4] = 0; | |
2552 | } | |
2553 | env->dmmuregs[reg] = val; | |
2554 | break; | |
2555 | case 1: // Primary context | |
2556 | case 2: // Secondary context | |
2557 | case 5: // TSB access | |
2558 | case 6: // Tag access | |
2559 | case 7: // Virtual Watchpoint | |
2560 | case 8: // Physical Watchpoint | |
2561 | default: | |
2562 | break; | |
2563 | } | |
2564 | env->dmmuregs[reg] = val; | |
2565 | if (oldreg != env->dmmuregs[reg]) { | |
2566 | DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" | |
2567 | PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]); | |
2568 | } | |
2569 | #ifdef DEBUG_MMU | |
2570 | dump_mmu(env); | |
2571 | #endif | |
2572 | return; | |
2573 | } | |
2574 | case 0x5c: // D-MMU data in | |
2575 | { | |
2576 | unsigned int i; | |
2577 | ||
2578 | // Try finding an invalid entry | |
2579 | for (i = 0; i < 64; i++) { | |
2580 | if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) { | |
2581 | env->dtlb_tag[i] = env->dmmuregs[6]; | |
2582 | env->dtlb_tte[i] = val; | |
2583 | return; | |
2584 | } | |
2585 | } | |
2586 | // Try finding an unlocked entry | |
2587 | for (i = 0; i < 64; i++) { | |
2588 | if ((env->dtlb_tte[i] & 0x40) == 0) { | |
2589 | env->dtlb_tag[i] = env->dmmuregs[6]; | |
2590 | env->dtlb_tte[i] = val; | |
2591 | return; | |
2592 | } | |
2593 | } | |
2594 | // error state? | |
2595 | return; | |
2596 | } | |
2597 | case 0x5d: // D-MMU data access | |
2598 | { | |
2599 | unsigned int i = (addr >> 3) & 0x3f; | |
2600 | ||
2601 | env->dtlb_tag[i] = env->dmmuregs[6]; | |
2602 | env->dtlb_tte[i] = val; | |
2603 | return; | |
2604 | } | |
2605 | case 0x5f: // D-MMU demap | |
2606 | { | |
2607 | unsigned int i; | |
2608 | ||
2609 | for (i = 0; i < 64; i++) { | |
2610 | if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0) { | |
2611 | target_ulong mask = 0xffffffffffffe000ULL; | |
2612 | ||
2613 | mask <<= 3 * ((env->dtlb_tte[i] >> 61) & 3); | |
2614 | if ((val & mask) == (env->dtlb_tag[i] & mask)) { | |
2615 | env->dtlb_tag[i] = 0; | |
2616 | env->dtlb_tte[i] = 0; | |
2617 | } | |
2618 | return; | |
2619 | } | |
2620 | } | |
2621 | } | |
2622 | return; | |
2623 | case 0x49: // Interrupt data receive | |
2624 | // XXX | |
2625 | return; | |
2626 | case 0x46: // D-cache data | |
2627 | case 0x47: // D-cache tag access | |
2628 | case 0x4b: // E-cache error enable | |
2629 | case 0x4c: // E-cache asynchronous fault status | |
2630 | case 0x4d: // E-cache asynchronous fault address | |
2631 | case 0x4e: // E-cache tag data | |
2632 | case 0x66: // I-cache instruction access | |
2633 | case 0x67: // I-cache tag access | |
2634 | case 0x6e: // I-cache predecode | |
2635 | case 0x6f: // I-cache LRU etc. | |
2636 | case 0x76: // E-cache tag | |
2637 | case 0x7e: // E-cache tag | |
2638 | return; | |
2639 | case 0x51: // I-MMU 8k TSB pointer, RO | |
2640 | case 0x52: // I-MMU 64k TSB pointer, RO | |
2641 | case 0x56: // I-MMU tag read, RO | |
2642 | case 0x59: // D-MMU 8k TSB pointer, RO | |
2643 | case 0x5a: // D-MMU 64k TSB pointer, RO | |
2644 | case 0x5b: // D-MMU data pointer, RO | |
2645 | case 0x5e: // D-MMU tag read, RO | |
2646 | case 0x48: // Interrupt dispatch, RO | |
2647 | case 0x7f: // Incoming interrupt vector, RO | |
2648 | case 0x82: // Primary no-fault, RO | |
2649 | case 0x83: // Secondary no-fault, RO | |
2650 | case 0x8a: // Primary no-fault LE, RO | |
2651 | case 0x8b: // Secondary no-fault LE, RO | |
2652 | default: | |
2653 | do_unassigned_access(addr, 1, 0, 1, size); | |
2654 | return; | |
2655 | } | |
2656 | } | |
2657 | #endif /* CONFIG_USER_ONLY */ | |
2658 | ||
2659 | void helper_ldda_asi(target_ulong addr, int asi, int rd) | |
2660 | { | |
2661 | if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) | |
2662 | || ((env->def->features & CPU_FEATURE_HYPV) | |
2663 | && asi >= 0x30 && asi < 0x80 | |
2664 | && !(env->hpstate & HS_PRIV))) | |
2665 | raise_exception(TT_PRIV_ACT); | |
2666 | ||
2667 | switch (asi) { | |
2668 | case 0x24: // Nucleus quad LDD 128 bit atomic | |
2669 | case 0x2c: // Nucleus quad LDD 128 bit atomic LE | |
2670 | helper_check_align(addr, 0xf); | |
2671 | if (rd == 0) { | |
2672 | env->gregs[1] = ldq_kernel(addr + 8); | |
2673 | if (asi == 0x2c) | |
2674 | bswap64s(&env->gregs[1]); | |
2675 | } else if (rd < 8) { | |
2676 | env->gregs[rd] = ldq_kernel(addr); | |
2677 | env->gregs[rd + 1] = ldq_kernel(addr + 8); | |
2678 | if (asi == 0x2c) { | |
2679 | bswap64s(&env->gregs[rd]); | |
2680 | bswap64s(&env->gregs[rd + 1]); | |
2681 | } | |
2682 | } else { | |
2683 | env->regwptr[rd] = ldq_kernel(addr); | |
2684 | env->regwptr[rd + 1] = ldq_kernel(addr + 8); | |
2685 | if (asi == 0x2c) { | |
2686 | bswap64s(&env->regwptr[rd]); | |
2687 | bswap64s(&env->regwptr[rd + 1]); | |
2688 | } | |
2689 | } | |
2690 | break; | |
2691 | default: | |
2692 | helper_check_align(addr, 0x3); | |
2693 | if (rd == 0) | |
2694 | env->gregs[1] = helper_ld_asi(addr + 4, asi, 4, 0); | |
2695 | else if (rd < 8) { | |
2696 | env->gregs[rd] = helper_ld_asi(addr, asi, 4, 0); | |
2697 | env->gregs[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0); | |
2698 | } else { | |
2699 | env->regwptr[rd] = helper_ld_asi(addr, asi, 4, 0); | |
2700 | env->regwptr[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0); | |
2701 | } | |
2702 | break; | |
2703 | } | |
2704 | } | |
2705 | ||
2706 | void helper_ldf_asi(target_ulong addr, int asi, int size, int rd) | |
2707 | { | |
2708 | unsigned int i; | |
2709 | target_ulong val; | |
2710 | ||
2711 | helper_check_align(addr, 3); | |
2712 | switch (asi) { | |
2713 | case 0xf0: // Block load primary | |
2714 | case 0xf1: // Block load secondary | |
2715 | case 0xf8: // Block load primary LE | |
2716 | case 0xf9: // Block load secondary LE | |
2717 | if (rd & 7) { | |
2718 | raise_exception(TT_ILL_INSN); | |
2719 | return; | |
2720 | } | |
2721 | helper_check_align(addr, 0x3f); | |
2722 | for (i = 0; i < 16; i++) { | |
2723 | *(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4, | |
2724 | 0); | |
2725 | addr += 4; | |
2726 | } | |
2727 | ||
2728 | return; | |
2729 | default: | |
2730 | break; | |
2731 | } | |
2732 | ||
2733 | val = helper_ld_asi(addr, asi, size, 0); | |
2734 | switch(size) { | |
2735 | default: | |
2736 | case 4: | |
2737 | *((uint32_t *)&env->fpr[rd]) = val; | |
2738 | break; | |
2739 | case 8: | |
2740 | *((int64_t *)&DT0) = val; | |
2741 | break; | |
2742 | case 16: | |
2743 | // XXX | |
2744 | break; | |
2745 | } | |
2746 | } | |
2747 | ||
2748 | void helper_stf_asi(target_ulong addr, int asi, int size, int rd) | |
2749 | { | |
2750 | unsigned int i; | |
2751 | target_ulong val = 0; | |
2752 | ||
2753 | helper_check_align(addr, 3); | |
2754 | switch (asi) { | |
2755 | case 0xe0: // UA2007 Block commit store primary (cache flush) | |
2756 | case 0xe1: // UA2007 Block commit store secondary (cache flush) | |
2757 | case 0xf0: // Block store primary | |
2758 | case 0xf1: // Block store secondary | |
2759 | case 0xf8: // Block store primary LE | |
2760 | case 0xf9: // Block store secondary LE | |
2761 | if (rd & 7) { | |
2762 | raise_exception(TT_ILL_INSN); | |
2763 | return; | |
2764 | } | |
2765 | helper_check_align(addr, 0x3f); | |
2766 | for (i = 0; i < 16; i++) { | |
2767 | val = *(uint32_t *)&env->fpr[rd++]; | |
2768 | helper_st_asi(addr, val, asi & 0x8f, 4); | |
2769 | addr += 4; | |
2770 | } | |
2771 | ||
2772 | return; | |
2773 | default: | |
2774 | break; | |
2775 | } | |
2776 | ||
2777 | switch(size) { | |
2778 | default: | |
2779 | case 4: | |
2780 | val = *((uint32_t *)&env->fpr[rd]); | |
2781 | break; | |
2782 | case 8: | |
2783 | val = *((int64_t *)&DT0); | |
2784 | break; | |
2785 | case 16: | |
2786 | // XXX | |
2787 | break; | |
2788 | } | |
2789 | helper_st_asi(addr, val, asi, size); | |
2790 | } | |
2791 | ||
2792 | target_ulong helper_cas_asi(target_ulong addr, target_ulong val1, | |
2793 | target_ulong val2, uint32_t asi) | |
2794 | { | |
2795 | target_ulong ret; | |
2796 | ||
2797 | val2 &= 0xffffffffUL; | |
2798 | ret = helper_ld_asi(addr, asi, 4, 0); | |
2799 | ret &= 0xffffffffUL; | |
2800 | if (val2 == ret) | |
2801 | helper_st_asi(addr, val1 & 0xffffffffUL, asi, 4); | |
2802 | return ret; | |
2803 | } | |
2804 | ||
2805 | target_ulong helper_casx_asi(target_ulong addr, target_ulong val1, | |
2806 | target_ulong val2, uint32_t asi) | |
2807 | { | |
2808 | target_ulong ret; | |
2809 | ||
2810 | ret = helper_ld_asi(addr, asi, 8, 0); | |
2811 | if (val2 == ret) | |
2812 | helper_st_asi(addr, val1, asi, 8); | |
2813 | return ret; | |
2814 | } | |
2815 | #endif /* TARGET_SPARC64 */ | |
2816 | ||
2817 | #ifndef TARGET_SPARC64 | |
2818 | void helper_rett(void) | |
2819 | { | |
2820 | unsigned int cwp; | |
2821 | ||
2822 | if (env->psret == 1) | |
2823 | raise_exception(TT_ILL_INSN); | |
2824 | ||
2825 | env->psret = 1; | |
2826 | cwp = cpu_cwp_inc(env, env->cwp + 1) ; | |
2827 | if (env->wim & (1 << cwp)) { | |
2828 | raise_exception(TT_WIN_UNF); | |
2829 | } | |
2830 | set_cwp(cwp); | |
2831 | env->psrs = env->psrps; | |
2832 | } | |
2833 | #endif | |
2834 | ||
2835 | target_ulong helper_udiv(target_ulong a, target_ulong b) | |
2836 | { | |
2837 | uint64_t x0; | |
2838 | uint32_t x1; | |
2839 | ||
2840 | x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32); | |
2841 | x1 = b; | |
2842 | ||
2843 | if (x1 == 0) { | |
2844 | raise_exception(TT_DIV_ZERO); | |
2845 | } | |
2846 | ||
2847 | x0 = x0 / x1; | |
2848 | if (x0 > 0xffffffff) { | |
2849 | env->cc_src2 = 1; | |
2850 | return 0xffffffff; | |
2851 | } else { | |
2852 | env->cc_src2 = 0; | |
2853 | return x0; | |
2854 | } | |
2855 | } | |
2856 | ||
2857 | target_ulong helper_sdiv(target_ulong a, target_ulong b) | |
2858 | { | |
2859 | int64_t x0; | |
2860 | int32_t x1; | |
2861 | ||
2862 | x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32); | |
2863 | x1 = b; | |
2864 | ||
2865 | if (x1 == 0) { | |
2866 | raise_exception(TT_DIV_ZERO); | |
2867 | } | |
2868 | ||
2869 | x0 = x0 / x1; | |
2870 | if ((int32_t) x0 != x0) { | |
2871 | env->cc_src2 = 1; | |
2872 | return x0 < 0? 0x80000000: 0x7fffffff; | |
2873 | } else { | |
2874 | env->cc_src2 = 0; | |
2875 | return x0; | |
2876 | } | |
2877 | } | |
2878 | ||
2879 | void helper_stdf(target_ulong addr, int mem_idx) | |
2880 | { | |
2881 | helper_check_align(addr, 7); | |
2882 | #if !defined(CONFIG_USER_ONLY) | |
2883 | switch (mem_idx) { | |
2884 | case 0: | |
2885 | stfq_user(addr, DT0); | |
2886 | break; | |
2887 | case 1: | |
2888 | stfq_kernel(addr, DT0); | |
2889 | break; | |
2890 | #ifdef TARGET_SPARC64 | |
2891 | case 2: | |
2892 | stfq_hypv(addr, DT0); | |
2893 | break; | |
2894 | #endif | |
2895 | default: | |
2896 | break; | |
2897 | } | |
2898 | #else | |
2899 | address_mask(env, &addr); | |
2900 | stfq_raw(addr, DT0); | |
2901 | #endif | |
2902 | } | |
2903 | ||
2904 | void helper_lddf(target_ulong addr, int mem_idx) | |
2905 | { | |
2906 | helper_check_align(addr, 7); | |
2907 | #if !defined(CONFIG_USER_ONLY) | |
2908 | switch (mem_idx) { | |
2909 | case 0: | |
2910 | DT0 = ldfq_user(addr); | |
2911 | break; | |
2912 | case 1: | |
2913 | DT0 = ldfq_kernel(addr); | |
2914 | break; | |
2915 | #ifdef TARGET_SPARC64 | |
2916 | case 2: | |
2917 | DT0 = ldfq_hypv(addr); | |
2918 | break; | |
2919 | #endif | |
2920 | default: | |
2921 | break; | |
2922 | } | |
2923 | #else | |
2924 | address_mask(env, &addr); | |
2925 | DT0 = ldfq_raw(addr); | |
2926 | #endif | |
2927 | } | |
2928 | ||
2929 | void helper_ldqf(target_ulong addr, int mem_idx) | |
2930 | { | |
2931 | // XXX add 128 bit load | |
2932 | CPU_QuadU u; | |
2933 | ||
2934 | helper_check_align(addr, 7); | |
2935 | #if !defined(CONFIG_USER_ONLY) | |
2936 | switch (mem_idx) { | |
2937 | case 0: | |
2938 | u.ll.upper = ldq_user(addr); | |
2939 | u.ll.lower = ldq_user(addr + 8); | |
2940 | QT0 = u.q; | |
2941 | break; | |
2942 | case 1: | |
2943 | u.ll.upper = ldq_kernel(addr); | |
2944 | u.ll.lower = ldq_kernel(addr + 8); | |
2945 | QT0 = u.q; | |
2946 | break; | |
2947 | #ifdef TARGET_SPARC64 | |
2948 | case 2: | |
2949 | u.ll.upper = ldq_hypv(addr); | |
2950 | u.ll.lower = ldq_hypv(addr + 8); | |
2951 | QT0 = u.q; | |
2952 | break; | |
2953 | #endif | |
2954 | default: | |
2955 | break; | |
2956 | } | |
2957 | #else | |
2958 | address_mask(env, &addr); | |
2959 | u.ll.upper = ldq_raw(addr); | |
2960 | u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL); | |
2961 | QT0 = u.q; | |
2962 | #endif | |
2963 | } | |
2964 | ||
2965 | void helper_stqf(target_ulong addr, int mem_idx) | |
2966 | { | |
2967 | // XXX add 128 bit store | |
2968 | CPU_QuadU u; | |
2969 | ||
2970 | helper_check_align(addr, 7); | |
2971 | #if !defined(CONFIG_USER_ONLY) | |
2972 | switch (mem_idx) { | |
2973 | case 0: | |
2974 | u.q = QT0; | |
2975 | stq_user(addr, u.ll.upper); | |
2976 | stq_user(addr + 8, u.ll.lower); | |
2977 | break; | |
2978 | case 1: | |
2979 | u.q = QT0; | |
2980 | stq_kernel(addr, u.ll.upper); | |
2981 | stq_kernel(addr + 8, u.ll.lower); | |
2982 | break; | |
2983 | #ifdef TARGET_SPARC64 | |
2984 | case 2: | |
2985 | u.q = QT0; | |
2986 | stq_hypv(addr, u.ll.upper); | |
2987 | stq_hypv(addr + 8, u.ll.lower); | |
2988 | break; | |
2989 | #endif | |
2990 | default: | |
2991 | break; | |
2992 | } | |
2993 | #else | |
2994 | u.q = QT0; | |
2995 | address_mask(env, &addr); | |
2996 | stq_raw(addr, u.ll.upper); | |
2997 | stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower); | |
2998 | #endif | |
2999 | } | |
3000 | ||
3001 | static inline void set_fsr(void) | |
3002 | { | |
3003 | int rnd_mode; | |
3004 | ||
3005 | switch (env->fsr & FSR_RD_MASK) { | |
3006 | case FSR_RD_NEAREST: | |
3007 | rnd_mode = float_round_nearest_even; | |
3008 | break; | |
3009 | default: | |
3010 | case FSR_RD_ZERO: | |
3011 | rnd_mode = float_round_to_zero; | |
3012 | break; | |
3013 | case FSR_RD_POS: | |
3014 | rnd_mode = float_round_up; | |
3015 | break; | |
3016 | case FSR_RD_NEG: | |
3017 | rnd_mode = float_round_down; | |
3018 | break; | |
3019 | } | |
3020 | set_float_rounding_mode(rnd_mode, &env->fp_status); | |
3021 | } | |
3022 | ||
3023 | void helper_ldfsr(uint32_t new_fsr) | |
3024 | { | |
3025 | env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK); | |
3026 | set_fsr(); | |
3027 | } | |
3028 | ||
3029 | #ifdef TARGET_SPARC64 | |
3030 | void helper_ldxfsr(uint64_t new_fsr) | |
3031 | { | |
3032 | env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK); | |
3033 | set_fsr(); | |
3034 | } | |
3035 | #endif | |
3036 | ||
3037 | void helper_debug(void) | |
3038 | { | |
3039 | env->exception_index = EXCP_DEBUG; | |
3040 | cpu_loop_exit(); | |
3041 | } | |
3042 | ||
3043 | #ifndef TARGET_SPARC64 | |
3044 | /* XXX: use another pointer for %iN registers to avoid slow wrapping | |
3045 | handling ? */ | |
3046 | void helper_save(void) | |
3047 | { | |
3048 | uint32_t cwp; | |
3049 | ||
3050 | cwp = cpu_cwp_dec(env, env->cwp - 1); | |
3051 | if (env->wim & (1 << cwp)) { | |
3052 | raise_exception(TT_WIN_OVF); | |
3053 | } | |
3054 | set_cwp(cwp); | |
3055 | } | |
3056 | ||
3057 | void helper_restore(void) | |
3058 | { | |
3059 | uint32_t cwp; | |
3060 | ||
3061 | cwp = cpu_cwp_inc(env, env->cwp + 1); | |
3062 | if (env->wim & (1 << cwp)) { | |
3063 | raise_exception(TT_WIN_UNF); | |
3064 | } | |
3065 | set_cwp(cwp); | |
3066 | } | |
3067 | ||
3068 | void helper_wrpsr(target_ulong new_psr) | |
3069 | { | |
3070 | if ((new_psr & PSR_CWP) >= env->nwindows) | |
3071 | raise_exception(TT_ILL_INSN); | |
3072 | else | |
3073 | PUT_PSR(env, new_psr); | |
3074 | } | |
3075 | ||
3076 | target_ulong helper_rdpsr(void) | |
3077 | { | |
3078 | return GET_PSR(env); | |
3079 | } | |
3080 | ||
3081 | #else | |
3082 | /* XXX: use another pointer for %iN registers to avoid slow wrapping | |
3083 | handling ? */ | |
3084 | void helper_save(void) | |
3085 | { | |
3086 | uint32_t cwp; | |
3087 | ||
3088 | cwp = cpu_cwp_dec(env, env->cwp - 1); | |
3089 | if (env->cansave == 0) { | |
3090 | raise_exception(TT_SPILL | (env->otherwin != 0 ? | |
3091 | (TT_WOTHER | ((env->wstate & 0x38) >> 1)): | |
3092 | ((env->wstate & 0x7) << 2))); | |
3093 | } else { | |
3094 | if (env->cleanwin - env->canrestore == 0) { | |
3095 | // XXX Clean windows without trap | |
3096 | raise_exception(TT_CLRWIN); | |
3097 | } else { | |
3098 | env->cansave--; | |
3099 | env->canrestore++; | |
3100 | set_cwp(cwp); | |
3101 | } | |
3102 | } | |
3103 | } | |
3104 | ||
3105 | void helper_restore(void) | |
3106 | { | |
3107 | uint32_t cwp; | |
3108 | ||
3109 | cwp = cpu_cwp_inc(env, env->cwp + 1); | |
3110 | if (env->canrestore == 0) { | |
3111 | raise_exception(TT_FILL | (env->otherwin != 0 ? | |
3112 | (TT_WOTHER | ((env->wstate & 0x38) >> 1)): | |
3113 | ((env->wstate & 0x7) << 2))); | |
3114 | } else { | |
3115 | env->cansave++; | |
3116 | env->canrestore--; | |
3117 | set_cwp(cwp); | |
3118 | } | |
3119 | } | |
3120 | ||
3121 | void helper_flushw(void) | |
3122 | { | |
3123 | if (env->cansave != env->nwindows - 2) { | |
3124 | raise_exception(TT_SPILL | (env->otherwin != 0 ? | |
3125 | (TT_WOTHER | ((env->wstate & 0x38) >> 1)): | |
3126 | ((env->wstate & 0x7) << 2))); | |
3127 | } | |
3128 | } | |
3129 | ||
3130 | void helper_saved(void) | |
3131 | { | |
3132 | env->cansave++; | |
3133 | if (env->otherwin == 0) | |
3134 | env->canrestore--; | |
3135 | else | |
3136 | env->otherwin--; | |
3137 | } | |
3138 | ||
3139 | void helper_restored(void) | |
3140 | { | |
3141 | env->canrestore++; | |
3142 | if (env->cleanwin < env->nwindows - 1) | |
3143 | env->cleanwin++; | |
3144 | if (env->otherwin == 0) | |
3145 | env->cansave--; | |
3146 | else | |
3147 | env->otherwin--; | |
3148 | } | |
3149 | ||
3150 | target_ulong helper_rdccr(void) | |
3151 | { | |
3152 | return GET_CCR(env); | |
3153 | } | |
3154 | ||
3155 | void helper_wrccr(target_ulong new_ccr) | |
3156 | { | |
3157 | PUT_CCR(env, new_ccr); | |
3158 | } | |
3159 | ||
3160 | // CWP handling is reversed in V9, but we still use the V8 register | |
3161 | // order. | |
3162 | target_ulong helper_rdcwp(void) | |
3163 | { | |
3164 | return GET_CWP64(env); | |
3165 | } | |
3166 | ||
3167 | void helper_wrcwp(target_ulong new_cwp) | |
3168 | { | |
3169 | PUT_CWP64(env, new_cwp); | |
3170 | } | |
3171 | ||
3172 | // This function uses non-native bit order | |
3173 | #define GET_FIELD(X, FROM, TO) \ | |
3174 | ((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1)) | |
3175 | ||
3176 | // This function uses the order in the manuals, i.e. bit 0 is 2^0 | |
3177 | #define GET_FIELD_SP(X, FROM, TO) \ | |
3178 | GET_FIELD(X, 63 - (TO), 63 - (FROM)) | |
3179 | ||
3180 | target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize) | |
3181 | { | |
3182 | return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) | | |
3183 | (GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) | | |
3184 | (GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) | | |
3185 | (GET_FIELD_SP(pixel_addr, 56, 59) << 13) | | |
3186 | (GET_FIELD_SP(pixel_addr, 35, 38) << 9) | | |
3187 | (GET_FIELD_SP(pixel_addr, 13, 16) << 5) | | |
3188 | (((pixel_addr >> 55) & 1) << 4) | | |
3189 | (GET_FIELD_SP(pixel_addr, 33, 34) << 2) | | |
3190 | GET_FIELD_SP(pixel_addr, 11, 12); | |
3191 | } | |
3192 | ||
3193 | target_ulong helper_alignaddr(target_ulong addr, target_ulong offset) | |
3194 | { | |
3195 | uint64_t tmp; | |
3196 | ||
3197 | tmp = addr + offset; | |
3198 | env->gsr &= ~7ULL; | |
3199 | env->gsr |= tmp & 7ULL; | |
3200 | return tmp & ~7ULL; | |
3201 | } | |
3202 | ||
3203 | target_ulong helper_popc(target_ulong val) | |
3204 | { | |
3205 | return ctpop64(val); | |
3206 | } | |
3207 | ||
3208 | static inline uint64_t *get_gregset(uint64_t pstate) | |
3209 | { | |
3210 | switch (pstate) { | |
3211 | default: | |
3212 | case 0: | |
3213 | return env->bgregs; | |
3214 | case PS_AG: | |
3215 | return env->agregs; | |
3216 | case PS_MG: | |
3217 | return env->mgregs; | |
3218 | case PS_IG: | |
3219 | return env->igregs; | |
3220 | } | |
3221 | } | |
3222 | ||
3223 | static inline void change_pstate(uint64_t new_pstate) | |
3224 | { | |
3225 | uint64_t pstate_regs, new_pstate_regs; | |
3226 | uint64_t *src, *dst; | |
3227 | ||
3228 | pstate_regs = env->pstate & 0xc01; | |
3229 | new_pstate_regs = new_pstate & 0xc01; | |
3230 | if (new_pstate_regs != pstate_regs) { | |
3231 | // Switch global register bank | |
3232 | src = get_gregset(new_pstate_regs); | |
3233 | dst = get_gregset(pstate_regs); | |
3234 | memcpy32(dst, env->gregs); | |
3235 | memcpy32(env->gregs, src); | |
3236 | } | |
3237 | env->pstate = new_pstate; | |
3238 | } | |
3239 | ||
3240 | void helper_wrpstate(target_ulong new_state) | |
3241 | { | |
3242 | if (!(env->def->features & CPU_FEATURE_GL)) | |
3243 | change_pstate(new_state & 0xf3f); | |
3244 | } | |
3245 | ||
3246 | void helper_done(void) | |
3247 | { | |
3248 | env->pc = env->tsptr->tpc; | |
3249 | env->npc = env->tsptr->tnpc + 4; | |
3250 | PUT_CCR(env, env->tsptr->tstate >> 32); | |
3251 | env->asi = (env->tsptr->tstate >> 24) & 0xff; | |
3252 | change_pstate((env->tsptr->tstate >> 8) & 0xf3f); | |
3253 | PUT_CWP64(env, env->tsptr->tstate & 0xff); | |
3254 | env->tl--; | |
3255 | env->tsptr = &env->ts[env->tl & MAXTL_MASK]; | |
3256 | } | |
3257 | ||
3258 | void helper_retry(void) | |
3259 | { | |
3260 | env->pc = env->tsptr->tpc; | |
3261 | env->npc = env->tsptr->tnpc; | |
3262 | PUT_CCR(env, env->tsptr->tstate >> 32); | |
3263 | env->asi = (env->tsptr->tstate >> 24) & 0xff; | |
3264 | change_pstate((env->tsptr->tstate >> 8) & 0xf3f); | |
3265 | PUT_CWP64(env, env->tsptr->tstate & 0xff); | |
3266 | env->tl--; | |
3267 | env->tsptr = &env->ts[env->tl & MAXTL_MASK]; | |
3268 | } | |
3269 | ||
3270 | void helper_set_softint(uint64_t value) | |
3271 | { | |
3272 | env->softint |= (uint32_t)value; | |
3273 | } | |
3274 | ||
3275 | void helper_clear_softint(uint64_t value) | |
3276 | { | |
3277 | env->softint &= (uint32_t)~value; | |
3278 | } | |
3279 | ||
3280 | void helper_write_softint(uint64_t value) | |
3281 | { | |
3282 | env->softint = (uint32_t)value; | |
3283 | } | |
3284 | #endif | |
3285 | ||
3286 | void helper_flush(target_ulong addr) | |
3287 | { | |
3288 | addr &= ~7; | |
3289 | tb_invalidate_page_range(addr, addr + 8); | |
3290 | } | |
3291 | ||
3292 | #ifdef TARGET_SPARC64 | |
3293 | #ifdef DEBUG_PCALL | |
3294 | static const char * const excp_names[0x80] = { | |
3295 | [TT_TFAULT] = "Instruction Access Fault", | |
3296 | [TT_TMISS] = "Instruction Access MMU Miss", | |
3297 | [TT_CODE_ACCESS] = "Instruction Access Error", | |
3298 | [TT_ILL_INSN] = "Illegal Instruction", | |
3299 | [TT_PRIV_INSN] = "Privileged Instruction", | |
3300 | [TT_NFPU_INSN] = "FPU Disabled", | |
3301 | [TT_FP_EXCP] = "FPU Exception", | |
3302 | [TT_TOVF] = "Tag Overflow", | |
3303 | [TT_CLRWIN] = "Clean Windows", | |
3304 | [TT_DIV_ZERO] = "Division By Zero", | |
3305 | [TT_DFAULT] = "Data Access Fault", | |
3306 | [TT_DMISS] = "Data Access MMU Miss", | |
3307 | [TT_DATA_ACCESS] = "Data Access Error", | |
3308 | [TT_DPROT] = "Data Protection Error", | |
3309 | [TT_UNALIGNED] = "Unaligned Memory Access", | |
3310 | [TT_PRIV_ACT] = "Privileged Action", | |
3311 | [TT_EXTINT | 0x1] = "External Interrupt 1", | |
3312 | [TT_EXTINT | 0x2] = "External Interrupt 2", | |
3313 | [TT_EXTINT | 0x3] = "External Interrupt 3", | |
3314 | [TT_EXTINT | 0x4] = "External Interrupt 4", | |
3315 | [TT_EXTINT | 0x5] = "External Interrupt 5", | |
3316 | [TT_EXTINT | 0x6] = "External Interrupt 6", | |
3317 | [TT_EXTINT | 0x7] = "External Interrupt 7", | |
3318 | [TT_EXTINT | 0x8] = "External Interrupt 8", | |
3319 | [TT_EXTINT | 0x9] = "External Interrupt 9", | |
3320 | [TT_EXTINT | 0xa] = "External Interrupt 10", | |
3321 | [TT_EXTINT | 0xb] = "External Interrupt 11", | |
3322 | [TT_EXTINT | 0xc] = "External Interrupt 12", | |
3323 | [TT_EXTINT | 0xd] = "External Interrupt 13", | |
3324 | [TT_EXTINT | 0xe] = "External Interrupt 14", | |
3325 | [TT_EXTINT | 0xf] = "External Interrupt 15", | |
3326 | }; | |
3327 | #endif | |
3328 | ||
3329 | void do_interrupt(CPUState *env) | |
3330 | { | |
3331 | int intno = env->exception_index; | |
3332 | ||
3333 | #ifdef DEBUG_PCALL | |
3334 | if (qemu_loglevel_mask(CPU_LOG_INT)) { | |
3335 | static int count; | |
3336 | const char *name; | |
3337 | ||
3338 | if (intno < 0 || intno >= 0x180) | |
3339 | name = "Unknown"; | |
3340 | else if (intno >= 0x100) | |
3341 | name = "Trap Instruction"; | |
3342 | else if (intno >= 0xc0) | |
3343 | name = "Window Fill"; | |
3344 | else if (intno >= 0x80) | |
3345 | name = "Window Spill"; | |
3346 | else { | |
3347 | name = excp_names[intno]; | |
3348 | if (!name) | |
3349 | name = "Unknown"; | |
3350 | } | |
3351 | ||
3352 | qemu_log("%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64 | |
3353 | " SP=%016" PRIx64 "\n", | |
3354 | count, name, intno, | |
3355 | env->pc, | |
3356 | env->npc, env->regwptr[6]); | |
3357 | log_cpu_state(env, 0); | |
3358 | #if 0 | |
3359 | { | |
3360 | int i; | |
3361 | uint8_t *ptr; | |
3362 | ||
3363 | qemu_log(" code="); | |
3364 | ptr = (uint8_t *)env->pc; | |
3365 | for(i = 0; i < 16; i++) { | |
3366 | qemu_log(" %02x", ldub(ptr + i)); | |
3367 | } | |
3368 | qemu_log("\n"); | |
3369 | } | |
3370 | #endif | |
3371 | count++; | |
3372 | } | |
3373 | #endif | |
3374 | #if !defined(CONFIG_USER_ONLY) | |
3375 | if (env->tl >= env->maxtl) { | |
3376 | cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d)," | |
3377 | " Error state", env->exception_index, env->tl, env->maxtl); | |
3378 | return; | |
3379 | } | |
3380 | #endif | |
3381 | if (env->tl < env->maxtl - 1) { | |
3382 | env->tl++; | |
3383 | } else { | |
3384 | env->pstate |= PS_RED; | |
3385 | if (env->tl < env->maxtl) | |
3386 | env->tl++; | |
3387 | } | |
3388 | env->tsptr = &env->ts[env->tl & MAXTL_MASK]; | |
3389 | env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) | | |
3390 | ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) | | |
3391 | GET_CWP64(env); | |
3392 | env->tsptr->tpc = env->pc; | |
3393 | env->tsptr->tnpc = env->npc; | |
3394 | env->tsptr->tt = intno; | |
3395 | if (!(env->def->features & CPU_FEATURE_GL)) { | |
3396 | switch (intno) { | |
3397 | case TT_IVEC: | |
3398 | change_pstate(PS_PEF | PS_PRIV | PS_IG); | |
3399 | break; | |
3400 | case TT_TFAULT: | |
3401 | case TT_TMISS: | |
3402 | case TT_DFAULT: | |
3403 | case TT_DMISS: | |
3404 | case TT_DPROT: | |
3405 | change_pstate(PS_PEF | PS_PRIV | PS_MG); | |
3406 | break; | |
3407 | default: | |
3408 | change_pstate(PS_PEF | PS_PRIV | PS_AG); | |
3409 | break; | |
3410 | } | |
3411 | } | |
3412 | if (intno == TT_CLRWIN) | |
3413 | cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1)); | |
3414 | else if ((intno & 0x1c0) == TT_SPILL) | |
3415 | cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2)); | |
3416 | else if ((intno & 0x1c0) == TT_FILL) | |
3417 | cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1)); | |
3418 | env->tbr &= ~0x7fffULL; | |
3419 | env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5); | |
3420 | env->pc = env->tbr; | |
3421 | env->npc = env->pc + 4; | |
3422 | env->exception_index = 0; | |
3423 | } | |
3424 | #else | |
3425 | #ifdef DEBUG_PCALL | |
3426 | static const char * const excp_names[0x80] = { | |
3427 | [TT_TFAULT] = "Instruction Access Fault", | |
3428 | [TT_ILL_INSN] = "Illegal Instruction", | |
3429 | [TT_PRIV_INSN] = "Privileged Instruction", | |
3430 | [TT_NFPU_INSN] = "FPU Disabled", | |
3431 | [TT_WIN_OVF] = "Window Overflow", | |
3432 | [TT_WIN_UNF] = "Window Underflow", | |
3433 | [TT_UNALIGNED] = "Unaligned Memory Access", | |
3434 | [TT_FP_EXCP] = "FPU Exception", | |
3435 | [TT_DFAULT] = "Data Access Fault", | |
3436 | [TT_TOVF] = "Tag Overflow", | |
3437 | [TT_EXTINT | 0x1] = "External Interrupt 1", | |
3438 | [TT_EXTINT | 0x2] = "External Interrupt 2", | |
3439 | [TT_EXTINT | 0x3] = "External Interrupt 3", | |
3440 | [TT_EXTINT | 0x4] = "External Interrupt 4", | |
3441 | [TT_EXTINT | 0x5] = "External Interrupt 5", | |
3442 | [TT_EXTINT | 0x6] = "External Interrupt 6", | |
3443 | [TT_EXTINT | 0x7] = "External Interrupt 7", | |
3444 | [TT_EXTINT | 0x8] = "External Interrupt 8", | |
3445 | [TT_EXTINT | 0x9] = "External Interrupt 9", | |
3446 | [TT_EXTINT | 0xa] = "External Interrupt 10", | |
3447 | [TT_EXTINT | 0xb] = "External Interrupt 11", | |
3448 | [TT_EXTINT | 0xc] = "External Interrupt 12", | |
3449 | [TT_EXTINT | 0xd] = "External Interrupt 13", | |
3450 | [TT_EXTINT | 0xe] = "External Interrupt 14", | |
3451 | [TT_EXTINT | 0xf] = "External Interrupt 15", | |
3452 | [TT_TOVF] = "Tag Overflow", | |
3453 | [TT_CODE_ACCESS] = "Instruction Access Error", | |
3454 | [TT_DATA_ACCESS] = "Data Access Error", | |
3455 | [TT_DIV_ZERO] = "Division By Zero", | |
3456 | [TT_NCP_INSN] = "Coprocessor Disabled", | |
3457 | }; | |
3458 | #endif | |
3459 | ||
3460 | void do_interrupt(CPUState *env) | |
3461 | { | |
3462 | int cwp, intno = env->exception_index; | |
3463 | ||
3464 | #ifdef DEBUG_PCALL | |
3465 | if (qemu_loglevel_mask(CPU_LOG_INT)) { | |
3466 | static int count; | |
3467 | const char *name; | |
3468 | ||
3469 | if (intno < 0 || intno >= 0x100) | |
3470 | name = "Unknown"; | |
3471 | else if (intno >= 0x80) | |
3472 | name = "Trap Instruction"; | |
3473 | else { | |
3474 | name = excp_names[intno]; | |
3475 | if (!name) | |
3476 | name = "Unknown"; | |
3477 | } | |
3478 | ||
3479 | qemu_log("%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n", | |
3480 | count, name, intno, | |
3481 | env->pc, | |
3482 | env->npc, env->regwptr[6]); | |
3483 | log_cpu_state(env, 0); | |
3484 | #if 0 | |
3485 | { | |
3486 | int i; | |
3487 | uint8_t *ptr; | |
3488 | ||
3489 | qemu_log(" code="); | |
3490 | ptr = (uint8_t *)env->pc; | |
3491 | for(i = 0; i < 16; i++) { | |
3492 | qemu_log(" %02x", ldub(ptr + i)); | |
3493 | } | |
3494 | qemu_log("\n"); | |
3495 | } | |
3496 | #endif | |
3497 | count++; | |
3498 | } | |
3499 | #endif | |
3500 | #if !defined(CONFIG_USER_ONLY) | |
3501 | if (env->psret == 0) { | |
3502 | cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state", | |
3503 | env->exception_index); | |
3504 | return; | |
3505 | } | |
3506 | #endif | |
3507 | env->psret = 0; | |
3508 | cwp = cpu_cwp_dec(env, env->cwp - 1); | |
3509 | cpu_set_cwp(env, cwp); | |
3510 | env->regwptr[9] = env->pc; | |
3511 | env->regwptr[10] = env->npc; | |
3512 | env->psrps = env->psrs; | |
3513 | env->psrs = 1; | |
3514 | env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4); | |
3515 | env->pc = env->tbr; | |
3516 | env->npc = env->pc + 4; | |
3517 | env->exception_index = 0; | |
3518 | } | |
3519 | #endif | |
3520 | ||
3521 | #if !defined(CONFIG_USER_ONLY) | |
3522 | ||
3523 | static void do_unaligned_access(target_ulong addr, int is_write, int is_user, | |
3524 | void *retaddr); | |
3525 | ||
3526 | #define MMUSUFFIX _mmu | |
3527 | #define ALIGNED_ONLY | |
3528 | ||
3529 | #define SHIFT 0 | |
3530 | #include "softmmu_template.h" | |
3531 | ||
3532 | #define SHIFT 1 | |
3533 | #include "softmmu_template.h" | |
3534 | ||
3535 | #define SHIFT 2 | |
3536 | #include "softmmu_template.h" | |
3537 | ||
3538 | #define SHIFT 3 | |
3539 | #include "softmmu_template.h" | |
3540 | ||
3541 | /* XXX: make it generic ? */ | |
3542 | static void cpu_restore_state2(void *retaddr) | |
3543 | { | |
3544 | TranslationBlock *tb; | |
3545 | unsigned long pc; | |
3546 | ||
3547 | if (retaddr) { | |
3548 | /* now we have a real cpu fault */ | |
3549 | pc = (unsigned long)retaddr; | |
3550 | tb = tb_find_pc(pc); | |
3551 | if (tb) { | |
3552 | /* the PC is inside the translated code. It means that we have | |
3553 | a virtual CPU fault */ | |
3554 | cpu_restore_state(tb, env, pc, (void *)(long)env->cond); | |
3555 | } | |
3556 | } | |
3557 | } | |
3558 | ||
3559 | static void do_unaligned_access(target_ulong addr, int is_write, int is_user, | |
3560 | void *retaddr) | |
3561 | { | |
3562 | #ifdef DEBUG_UNALIGNED | |
3563 | printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx | |
3564 | "\n", addr, env->pc); | |
3565 | #endif | |
3566 | cpu_restore_state2(retaddr); | |
3567 | raise_exception(TT_UNALIGNED); | |
3568 | } | |
3569 | ||
3570 | /* try to fill the TLB and return an exception if error. If retaddr is | |
3571 | NULL, it means that the function was called in C code (i.e. not | |
3572 | from generated code or from helper.c) */ | |
3573 | /* XXX: fix it to restore all registers */ | |
3574 | void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr) | |
3575 | { | |
3576 | int ret; | |
3577 | CPUState *saved_env; | |
3578 | ||
3579 | /* XXX: hack to restore env in all cases, even if not called from | |
3580 | generated code */ | |
3581 | saved_env = env; | |
3582 | env = cpu_single_env; | |
3583 | ||
3584 | ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1); | |
3585 | if (ret) { | |
3586 | cpu_restore_state2(retaddr); | |
3587 | cpu_loop_exit(); | |
3588 | } | |
3589 | env = saved_env; | |
3590 | } | |
3591 | ||
3592 | #endif | |
3593 | ||
3594 | #ifndef TARGET_SPARC64 | |
3595 | void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, | |
3596 | int is_asi, int size) | |
3597 | { | |
3598 | CPUState *saved_env; | |
3599 | ||
3600 | /* XXX: hack to restore env in all cases, even if not called from | |
3601 | generated code */ | |
3602 | saved_env = env; | |
3603 | env = cpu_single_env; | |
3604 | #ifdef DEBUG_UNASSIGNED | |
3605 | if (is_asi) | |
3606 | printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx | |
3607 | " asi 0x%02x from " TARGET_FMT_lx "\n", | |
3608 | is_exec ? "exec" : is_write ? "write" : "read", size, | |
3609 | size == 1 ? "" : "s", addr, is_asi, env->pc); | |
3610 | else | |
3611 | printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx | |
3612 | " from " TARGET_FMT_lx "\n", | |
3613 | is_exec ? "exec" : is_write ? "write" : "read", size, | |
3614 | size == 1 ? "" : "s", addr, env->pc); | |
3615 | #endif | |
3616 | if (env->mmuregs[3]) /* Fault status register */ | |
3617 | env->mmuregs[3] = 1; /* overflow (not read before another fault) */ | |
3618 | if (is_asi) | |
3619 | env->mmuregs[3] |= 1 << 16; | |
3620 | if (env->psrs) | |
3621 | env->mmuregs[3] |= 1 << 5; | |
3622 | if (is_exec) | |
3623 | env->mmuregs[3] |= 1 << 6; | |
3624 | if (is_write) | |
3625 | env->mmuregs[3] |= 1 << 7; | |
3626 | env->mmuregs[3] |= (5 << 2) | 2; | |
3627 | env->mmuregs[4] = addr; /* Fault address register */ | |
3628 | if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) { | |
3629 | if (is_exec) | |
3630 | raise_exception(TT_CODE_ACCESS); | |
3631 | else | |
3632 | raise_exception(TT_DATA_ACCESS); | |
3633 | } | |
3634 | env = saved_env; | |
3635 | } | |
3636 | #else | |
3637 | void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, | |
3638 | int is_asi, int size) | |
3639 | { | |
3640 | #ifdef DEBUG_UNASSIGNED | |
3641 | CPUState *saved_env; | |
3642 | ||
3643 | /* XXX: hack to restore env in all cases, even if not called from | |
3644 | generated code */ | |
3645 | saved_env = env; | |
3646 | env = cpu_single_env; | |
3647 | printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx | |
3648 | "\n", addr, env->pc); | |
3649 | env = saved_env; | |
3650 | #endif | |
3651 | if (is_exec) | |
3652 | raise_exception(TT_CODE_ACCESS); | |
3653 | else | |
3654 | raise_exception(TT_DATA_ACCESS); | |
3655 | } | |
3656 | #endif | |
3657 | ||
3658 | #ifdef TARGET_SPARC64 | |
3659 | void helper_tick_set_count(void *opaque, uint64_t count) | |
3660 | { | |
3661 | #if !defined(CONFIG_USER_ONLY) | |
3662 | cpu_tick_set_count(opaque, count); | |
3663 | #endif | |
3664 | } | |
3665 | ||
3666 | uint64_t helper_tick_get_count(void *opaque) | |
3667 | { | |
3668 | #if !defined(CONFIG_USER_ONLY) | |
3669 | return cpu_tick_get_count(opaque); | |
3670 | #else | |
3671 | return 0; | |
3672 | #endif | |
3673 | } | |
3674 | ||
3675 | void helper_tick_set_limit(void *opaque, uint64_t limit) | |
3676 | { | |
3677 | #if !defined(CONFIG_USER_ONLY) | |
3678 | cpu_tick_set_limit(opaque, limit); | |
3679 | #endif | |
3680 | } | |
3681 | #endif |