]>
Commit | Line | Data |
---|---|---|
9a64fbe4 | 1 | /* |
3fc6c082 | 2 | * PowerPC emulation helpers for qemu. |
9a64fbe4 | 3 | * |
76a66253 | 4 | * Copyright (c) 2003-2007 Jocelyn Mayer |
9a64fbe4 FB |
5 | * |
6 | * This library is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2 of the License, or (at your option) any later version. | |
10 | * | |
11 | * This library is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with this library; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
9a64fbe4 FB |
20 | #include "exec.h" |
21 | ||
0487d6a8 JM |
22 | #include "op_helper.h" |
23 | ||
9a64fbe4 | 24 | #define MEMSUFFIX _raw |
0487d6a8 | 25 | #include "op_helper.h" |
9a64fbe4 | 26 | #include "op_helper_mem.h" |
a541f297 | 27 | #if !defined(CONFIG_USER_ONLY) |
9a64fbe4 | 28 | #define MEMSUFFIX _user |
0487d6a8 | 29 | #include "op_helper.h" |
9a64fbe4 FB |
30 | #include "op_helper_mem.h" |
31 | #define MEMSUFFIX _kernel | |
0487d6a8 | 32 | #include "op_helper.h" |
9a64fbe4 FB |
33 | #include "op_helper_mem.h" |
34 | #endif | |
35 | ||
fdabc366 FB |
36 | //#define DEBUG_OP |
37 | //#define DEBUG_EXCEPTIONS | |
76a66253 | 38 | //#define DEBUG_SOFTWARE_TLB |
fdabc366 FB |
39 | //#define FLUSH_ALL_TLBS |
40 | ||
9a64fbe4 FB |
41 | /*****************************************************************************/ |
42 | /* Exceptions processing helpers */ | |
76a66253 | 43 | void cpu_loop_exit (void) |
9a64fbe4 | 44 | { |
9fddaa0c | 45 | longjmp(env->jmp_env, 1); |
9a64fbe4 FB |
46 | } |
47 | ||
9fddaa0c | 48 | void do_raise_exception_err (uint32_t exception, int error_code) |
9a64fbe4 | 49 | { |
9fddaa0c FB |
50 | #if 0 |
51 | printf("Raise exception %3x code : %d\n", exception, error_code); | |
52 | #endif | |
53 | switch (exception) { | |
9fddaa0c | 54 | case EXCP_PROGRAM: |
76a66253 JM |
55 | if (error_code == EXCP_FP && msr_fe0 == 0 && msr_fe1 == 0) |
56 | return; | |
57 | break; | |
9fddaa0c | 58 | default: |
76a66253 JM |
59 | break; |
60 | } | |
9fddaa0c FB |
61 | env->exception_index = exception; |
62 | env->error_code = error_code; | |
76a66253 JM |
63 | cpu_loop_exit(); |
64 | } | |
9fddaa0c FB |
65 | |
66 | void do_raise_exception (uint32_t exception) | |
67 | { | |
68 | do_raise_exception_err(exception, 0); | |
9a64fbe4 FB |
69 | } |
70 | ||
76a66253 JM |
71 | /*****************************************************************************/ |
72 | /* Registers load and stores */ | |
73 | void do_load_cr (void) | |
74 | { | |
75 | T0 = (env->crf[0] << 28) | | |
76 | (env->crf[1] << 24) | | |
77 | (env->crf[2] << 20) | | |
78 | (env->crf[3] << 16) | | |
79 | (env->crf[4] << 12) | | |
80 | (env->crf[5] << 8) | | |
81 | (env->crf[6] << 4) | | |
82 | (env->crf[7] << 0); | |
83 | } | |
84 | ||
85 | void do_store_cr (uint32_t mask) | |
86 | { | |
87 | int i, sh; | |
88 | ||
89 | for (i = 0, sh = 7; i < 8; i++, sh --) { | |
90 | if (mask & (1 << sh)) | |
91 | env->crf[i] = (T0 >> (sh * 4)) & 0xFUL; | |
92 | } | |
93 | } | |
94 | ||
95 | void do_load_xer (void) | |
96 | { | |
97 | T0 = (xer_so << XER_SO) | | |
98 | (xer_ov << XER_OV) | | |
99 | (xer_ca << XER_CA) | | |
100 | (xer_bc << XER_BC) | | |
101 | (xer_cmp << XER_CMP); | |
102 | } | |
103 | ||
104 | void do_store_xer (void) | |
105 | { | |
106 | xer_so = (T0 >> XER_SO) & 0x01; | |
107 | xer_ov = (T0 >> XER_OV) & 0x01; | |
108 | xer_ca = (T0 >> XER_CA) & 0x01; | |
109 | xer_cmp = (T0 >> XER_CMP) & 0xFF; | |
d9bce9d9 | 110 | xer_bc = (T0 >> XER_BC) & 0x7F; |
76a66253 JM |
111 | } |
112 | ||
113 | void do_load_fpscr (void) | |
114 | { | |
115 | /* The 32 MSB of the target fpr are undefined. | |
116 | * They'll be zero... | |
117 | */ | |
118 | union { | |
119 | float64 d; | |
120 | struct { | |
121 | uint32_t u[2]; | |
122 | } s; | |
123 | } u; | |
124 | int i; | |
125 | ||
d9bce9d9 | 126 | #if defined(WORDS_BIGENDIAN) |
76a66253 JM |
127 | #define WORD0 0 |
128 | #define WORD1 1 | |
129 | #else | |
130 | #define WORD0 1 | |
131 | #define WORD1 0 | |
132 | #endif | |
133 | u.s.u[WORD0] = 0; | |
134 | u.s.u[WORD1] = 0; | |
135 | for (i = 0; i < 8; i++) | |
136 | u.s.u[WORD1] |= env->fpscr[i] << (4 * i); | |
137 | FT0 = u.d; | |
138 | } | |
139 | ||
140 | void do_store_fpscr (uint32_t mask) | |
141 | { | |
142 | /* | |
143 | * We use only the 32 LSB of the incoming fpr | |
144 | */ | |
145 | union { | |
146 | double d; | |
147 | struct { | |
148 | uint32_t u[2]; | |
149 | } s; | |
150 | } u; | |
151 | int i, rnd_type; | |
152 | ||
153 | u.d = FT0; | |
154 | if (mask & 0x80) | |
155 | env->fpscr[0] = (env->fpscr[0] & 0x9) | ((u.s.u[WORD1] >> 28) & ~0x9); | |
156 | for (i = 1; i < 7; i++) { | |
157 | if (mask & (1 << (7 - i))) | |
158 | env->fpscr[i] = (u.s.u[WORD1] >> (4 * (7 - i))) & 0xF; | |
159 | } | |
160 | /* TODO: update FEX & VX */ | |
161 | /* Set rounding mode */ | |
162 | switch (env->fpscr[0] & 0x3) { | |
163 | case 0: | |
164 | /* Best approximation (round to nearest) */ | |
165 | rnd_type = float_round_nearest_even; | |
166 | break; | |
167 | case 1: | |
168 | /* Smaller magnitude (round toward zero) */ | |
169 | rnd_type = float_round_to_zero; | |
170 | break; | |
171 | case 2: | |
172 | /* Round toward +infinite */ | |
173 | rnd_type = float_round_up; | |
174 | break; | |
175 | default: | |
176 | case 3: | |
177 | /* Round toward -infinite */ | |
178 | rnd_type = float_round_down; | |
179 | break; | |
180 | } | |
181 | set_float_rounding_mode(rnd_type, &env->fp_status); | |
182 | } | |
183 | ||
9a64fbe4 | 184 | /*****************************************************************************/ |
fdabc366 | 185 | /* Fixed point operations helpers */ |
d9bce9d9 JM |
186 | #if defined(TARGET_PPC64) |
187 | static void add128 (uint64_t *plow, uint64_t *phigh, uint64_t a, uint64_t b) | |
fdabc366 | 188 | { |
d9bce9d9 JM |
189 | *plow += a; |
190 | /* carry test */ | |
191 | if (*plow < a) | |
192 | (*phigh)++; | |
193 | *phigh += b; | |
fdabc366 FB |
194 | } |
195 | ||
d9bce9d9 | 196 | static void neg128 (uint64_t *plow, uint64_t *phigh) |
fdabc366 | 197 | { |
d9bce9d9 JM |
198 | *plow = ~ *plow; |
199 | *phigh = ~ *phigh; | |
200 | add128(plow, phigh, 1, 0); | |
201 | } | |
202 | ||
203 | static void mul64 (uint64_t *plow, uint64_t *phigh, uint64_t a, uint64_t b) | |
204 | { | |
205 | uint32_t a0, a1, b0, b1; | |
206 | uint64_t v; | |
207 | ||
208 | a0 = a; | |
209 | a1 = a >> 32; | |
210 | ||
211 | b0 = b; | |
212 | b1 = b >> 32; | |
213 | ||
214 | v = (uint64_t)a0 * (uint64_t)b0; | |
215 | *plow = v; | |
216 | *phigh = 0; | |
217 | ||
218 | v = (uint64_t)a0 * (uint64_t)b1; | |
219 | add128(plow, phigh, v << 32, v >> 32); | |
220 | ||
221 | v = (uint64_t)a1 * (uint64_t)b0; | |
222 | add128(plow, phigh, v << 32, v >> 32); | |
223 | ||
224 | v = (uint64_t)a1 * (uint64_t)b1; | |
225 | *phigh += v; | |
226 | #if defined(DEBUG_MULDIV) | |
227 | printf("mul: 0x%016llx * 0x%016llx = 0x%016llx%016llx\n", | |
228 | a, b, *phigh, *plow); | |
229 | #endif | |
230 | } | |
231 | ||
232 | void do_mul64 (uint64_t *plow, uint64_t *phigh) | |
233 | { | |
234 | mul64(plow, phigh, T0, T1); | |
235 | } | |
236 | ||
0487d6a8 | 237 | static void imul64 (uint64_t *plow, uint64_t *phigh, int64_t a, int64_t b) |
d9bce9d9 JM |
238 | { |
239 | int sa, sb; | |
240 | sa = (a < 0); | |
241 | if (sa) | |
242 | a = -a; | |
243 | sb = (b < 0); | |
244 | if (sb) | |
245 | b = -b; | |
246 | mul64(plow, phigh, a, b); | |
247 | if (sa ^ sb) { | |
248 | neg128(plow, phigh); | |
fdabc366 FB |
249 | } |
250 | } | |
251 | ||
d9bce9d9 JM |
252 | void do_imul64 (uint64_t *plow, uint64_t *phigh) |
253 | { | |
254 | imul64(plow, phigh, T0, T1); | |
255 | } | |
256 | #endif | |
257 | ||
fdabc366 FB |
258 | void do_adde (void) |
259 | { | |
260 | T2 = T0; | |
261 | T0 += T1 + xer_ca; | |
d9bce9d9 JM |
262 | if (likely(!((uint32_t)T0 < (uint32_t)T2 || |
263 | (xer_ca == 1 && (uint32_t)T0 == (uint32_t)T2)))) { | |
fdabc366 FB |
264 | xer_ca = 0; |
265 | } else { | |
266 | xer_ca = 1; | |
267 | } | |
268 | } | |
269 | ||
d9bce9d9 JM |
270 | #if defined(TARGET_PPC64) |
271 | void do_adde_64 (void) | |
fdabc366 FB |
272 | { |
273 | T2 = T0; | |
274 | T0 += T1 + xer_ca; | |
d9bce9d9 JM |
275 | if (likely(!((uint64_t)T0 < (uint64_t)T2 || |
276 | (xer_ca == 1 && (uint64_t)T0 == (uint64_t)T2)))) { | |
fdabc366 FB |
277 | xer_ca = 0; |
278 | } else { | |
279 | xer_ca = 1; | |
280 | } | |
fdabc366 | 281 | } |
d9bce9d9 | 282 | #endif |
fdabc366 FB |
283 | |
284 | void do_addmeo (void) | |
285 | { | |
286 | T1 = T0; | |
287 | T0 += xer_ca + (-1); | |
d9bce9d9 JM |
288 | if (likely(!((uint32_t)T1 & |
289 | ((uint32_t)T1 ^ (uint32_t)T0) & (1UL << 31)))) { | |
fdabc366 FB |
290 | xer_ov = 0; |
291 | } else { | |
292 | xer_so = 1; | |
293 | xer_ov = 1; | |
294 | } | |
295 | if (likely(T1 != 0)) | |
296 | xer_ca = 1; | |
297 | } | |
298 | ||
d9bce9d9 JM |
299 | #if defined(TARGET_PPC64) |
300 | void do_addmeo_64 (void) | |
fdabc366 FB |
301 | { |
302 | T1 = T0; | |
d9bce9d9 JM |
303 | T0 += xer_ca + (-1); |
304 | if (likely(!((uint64_t)T1 & | |
305 | ((uint64_t)T1 ^ (uint64_t)T0) & (1ULL << 63)))) { | |
fdabc366 FB |
306 | xer_ov = 0; |
307 | } else { | |
308 | xer_so = 1; | |
309 | xer_ov = 1; | |
310 | } | |
d9bce9d9 | 311 | if (likely(T1 != 0)) |
fdabc366 | 312 | xer_ca = 1; |
fdabc366 | 313 | } |
d9bce9d9 | 314 | #endif |
fdabc366 FB |
315 | |
316 | void do_divwo (void) | |
317 | { | |
d9bce9d9 JM |
318 | if (likely(!(((int32_t)T0 == INT32_MIN && (int32_t)T1 == -1) || |
319 | (int32_t)T1 == 0))) { | |
fdabc366 | 320 | xer_ov = 0; |
d9bce9d9 | 321 | T0 = (int32_t)T0 / (int32_t)T1; |
fdabc366 FB |
322 | } else { |
323 | xer_so = 1; | |
324 | xer_ov = 1; | |
325 | T0 = (-1) * ((uint32_t)T0 >> 31); | |
326 | } | |
327 | } | |
328 | ||
d9bce9d9 JM |
329 | #if defined(TARGET_PPC64) |
330 | void do_divdo (void) | |
331 | { | |
332 | if (likely(!(((int64_t)T0 == INT64_MIN && (int64_t)T1 == -1ULL) || | |
333 | (int64_t)T1 == 0))) { | |
334 | xer_ov = 0; | |
335 | T0 = (int64_t)T0 / (int64_t)T1; | |
336 | } else { | |
337 | xer_so = 1; | |
338 | xer_ov = 1; | |
339 | T0 = (-1ULL) * ((uint64_t)T0 >> 63); | |
340 | } | |
341 | } | |
342 | #endif | |
343 | ||
fdabc366 FB |
344 | void do_divwuo (void) |
345 | { | |
346 | if (likely((uint32_t)T1 != 0)) { | |
347 | xer_ov = 0; | |
348 | T0 = (uint32_t)T0 / (uint32_t)T1; | |
349 | } else { | |
350 | xer_so = 1; | |
351 | xer_ov = 1; | |
352 | T0 = 0; | |
353 | } | |
354 | } | |
355 | ||
d9bce9d9 JM |
356 | #if defined(TARGET_PPC64) |
357 | void do_divduo (void) | |
358 | { | |
359 | if (likely((uint64_t)T1 != 0)) { | |
360 | xer_ov = 0; | |
361 | T0 = (uint64_t)T0 / (uint64_t)T1; | |
362 | } else { | |
363 | xer_so = 1; | |
364 | xer_ov = 1; | |
365 | T0 = 0; | |
366 | } | |
367 | } | |
368 | #endif | |
369 | ||
fdabc366 FB |
370 | void do_mullwo (void) |
371 | { | |
d9bce9d9 | 372 | int64_t res = (int64_t)T0 * (int64_t)T1; |
fdabc366 FB |
373 | |
374 | if (likely((int32_t)res == res)) { | |
375 | xer_ov = 0; | |
376 | } else { | |
377 | xer_ov = 1; | |
378 | xer_so = 1; | |
379 | } | |
380 | T0 = (int32_t)res; | |
381 | } | |
382 | ||
d9bce9d9 JM |
383 | #if defined(TARGET_PPC64) |
384 | void do_mulldo (void) | |
fdabc366 | 385 | { |
d9bce9d9 JM |
386 | int64_t th; |
387 | uint64_t tl; | |
388 | ||
389 | do_imul64(&tl, &th); | |
390 | if (likely(th == 0)) { | |
fdabc366 | 391 | xer_ov = 0; |
fdabc366 FB |
392 | } else { |
393 | xer_ov = 1; | |
394 | xer_so = 1; | |
395 | } | |
d9bce9d9 | 396 | T0 = (int64_t)tl; |
fdabc366 | 397 | } |
d9bce9d9 | 398 | #endif |
fdabc366 | 399 | |
d9bce9d9 | 400 | void do_nego (void) |
fdabc366 | 401 | { |
d9bce9d9 | 402 | if (likely((int32_t)T0 != INT32_MIN)) { |
fdabc366 | 403 | xer_ov = 0; |
d9bce9d9 | 404 | T0 = -(int32_t)T0; |
fdabc366 | 405 | } else { |
fdabc366 | 406 | xer_ov = 1; |
d9bce9d9 | 407 | xer_so = 1; |
fdabc366 | 408 | } |
fdabc366 FB |
409 | } |
410 | ||
d9bce9d9 JM |
411 | #if defined(TARGET_PPC64) |
412 | void do_nego_64 (void) | |
fdabc366 | 413 | { |
d9bce9d9 | 414 | if (likely((int64_t)T0 != INT64_MIN)) { |
fdabc366 | 415 | xer_ov = 0; |
d9bce9d9 | 416 | T0 = -(int64_t)T0; |
fdabc366 | 417 | } else { |
fdabc366 | 418 | xer_ov = 1; |
d9bce9d9 | 419 | xer_so = 1; |
fdabc366 FB |
420 | } |
421 | } | |
d9bce9d9 | 422 | #endif |
fdabc366 FB |
423 | |
424 | void do_subfe (void) | |
425 | { | |
426 | T0 = T1 + ~T0 + xer_ca; | |
d9bce9d9 JM |
427 | if (likely((uint32_t)T0 >= (uint32_t)T1 && |
428 | (xer_ca == 0 || (uint32_t)T0 != (uint32_t)T1))) { | |
fdabc366 FB |
429 | xer_ca = 0; |
430 | } else { | |
431 | xer_ca = 1; | |
432 | } | |
433 | } | |
434 | ||
d9bce9d9 JM |
435 | #if defined(TARGET_PPC64) |
436 | void do_subfe_64 (void) | |
fdabc366 | 437 | { |
fdabc366 | 438 | T0 = T1 + ~T0 + xer_ca; |
d9bce9d9 JM |
439 | if (likely((uint64_t)T0 >= (uint64_t)T1 && |
440 | (xer_ca == 0 || (uint64_t)T0 != (uint64_t)T1))) { | |
441 | xer_ca = 0; | |
442 | } else { | |
443 | xer_ca = 1; | |
444 | } | |
445 | } | |
446 | #endif | |
447 | ||
448 | void do_subfmeo (void) | |
449 | { | |
450 | T1 = T0; | |
451 | T0 = ~T0 + xer_ca - 1; | |
452 | if (likely(!((uint32_t)~T1 & ((uint32_t)~T1 ^ (uint32_t)T0) & | |
453 | (1UL << 31)))) { | |
fdabc366 FB |
454 | xer_ov = 0; |
455 | } else { | |
456 | xer_so = 1; | |
457 | xer_ov = 1; | |
458 | } | |
d9bce9d9 | 459 | if (likely((uint32_t)T1 != UINT32_MAX)) |
fdabc366 | 460 | xer_ca = 1; |
fdabc366 FB |
461 | } |
462 | ||
d9bce9d9 JM |
463 | #if defined(TARGET_PPC64) |
464 | void do_subfmeo_64 (void) | |
fdabc366 FB |
465 | { |
466 | T1 = T0; | |
467 | T0 = ~T0 + xer_ca - 1; | |
d9bce9d9 JM |
468 | if (likely(!((uint64_t)~T1 & ((uint64_t)~T1 ^ (uint64_t)T0) & |
469 | (1ULL << 63)))) { | |
fdabc366 FB |
470 | xer_ov = 0; |
471 | } else { | |
472 | xer_so = 1; | |
473 | xer_ov = 1; | |
474 | } | |
d9bce9d9 | 475 | if (likely((uint64_t)T1 != UINT64_MAX)) |
fdabc366 FB |
476 | xer_ca = 1; |
477 | } | |
d9bce9d9 | 478 | #endif |
fdabc366 FB |
479 | |
480 | void do_subfzeo (void) | |
481 | { | |
482 | T1 = T0; | |
483 | T0 = ~T0 + xer_ca; | |
d9bce9d9 JM |
484 | if (likely(!(((uint32_t)~T1 ^ UINT32_MAX) & |
485 | ((uint32_t)(~T1) ^ (uint32_t)T0) & (1UL << 31)))) { | |
fdabc366 FB |
486 | xer_ov = 0; |
487 | } else { | |
488 | xer_ov = 1; | |
489 | xer_so = 1; | |
490 | } | |
d9bce9d9 | 491 | if (likely((uint32_t)T0 >= (uint32_t)~T1)) { |
fdabc366 FB |
492 | xer_ca = 0; |
493 | } else { | |
494 | xer_ca = 1; | |
495 | } | |
496 | } | |
497 | ||
d9bce9d9 JM |
498 | #if defined(TARGET_PPC64) |
499 | void do_subfzeo_64 (void) | |
500 | { | |
501 | T1 = T0; | |
502 | T0 = ~T0 + xer_ca; | |
503 | if (likely(!(((uint64_t)~T1 ^ UINT64_MAX) & | |
504 | ((uint64_t)(~T1) ^ (uint64_t)T0) & (1ULL << 63)))) { | |
505 | xer_ov = 0; | |
506 | } else { | |
507 | xer_ov = 1; | |
508 | xer_so = 1; | |
509 | } | |
510 | if (likely((uint64_t)T0 >= (uint64_t)~T1)) { | |
511 | xer_ca = 0; | |
512 | } else { | |
513 | xer_ca = 1; | |
514 | } | |
515 | } | |
516 | #endif | |
517 | ||
9a64fbe4 FB |
518 | /* shift right arithmetic helper */ |
519 | void do_sraw (void) | |
520 | { | |
521 | int32_t ret; | |
522 | ||
fdabc366 | 523 | if (likely(!(T1 & 0x20UL))) { |
d9bce9d9 | 524 | if (likely((uint32_t)T1 != 0)) { |
fdabc366 FB |
525 | ret = (int32_t)T0 >> (T1 & 0x1fUL); |
526 | if (likely(ret >= 0 || ((int32_t)T0 & ((1 << T1) - 1)) == 0)) { | |
76a66253 | 527 | xer_ca = 0; |
fdabc366 | 528 | } else { |
76a66253 | 529 | xer_ca = 1; |
fdabc366 FB |
530 | } |
531 | } else { | |
76a66253 | 532 | ret = T0; |
fdabc366 FB |
533 | xer_ca = 0; |
534 | } | |
535 | } else { | |
536 | ret = (-1) * ((uint32_t)T0 >> 31); | |
537 | if (likely(ret >= 0 || ((uint32_t)T0 & ~0x80000000UL) == 0)) { | |
538 | xer_ca = 0; | |
76a66253 | 539 | } else { |
9a64fbe4 | 540 | xer_ca = 1; |
76a66253 | 541 | } |
fdabc366 | 542 | } |
4b3686fa | 543 | T0 = ret; |
9a64fbe4 FB |
544 | } |
545 | ||
d9bce9d9 JM |
546 | #if defined(TARGET_PPC64) |
547 | void do_srad (void) | |
548 | { | |
549 | int64_t ret; | |
550 | ||
551 | if (likely(!(T1 & 0x40UL))) { | |
552 | if (likely((uint64_t)T1 != 0)) { | |
553 | ret = (int64_t)T0 >> (T1 & 0x3FUL); | |
554 | if (likely(ret >= 0 || ((int64_t)T0 & ((1 << T1) - 1)) == 0)) { | |
555 | xer_ca = 0; | |
556 | } else { | |
557 | xer_ca = 1; | |
558 | } | |
559 | } else { | |
560 | ret = T0; | |
561 | xer_ca = 0; | |
562 | } | |
563 | } else { | |
564 | ret = (-1) * ((uint64_t)T0 >> 63); | |
565 | if (likely(ret >= 0 || ((uint64_t)T0 & ~0x8000000000000000ULL) == 0)) { | |
566 | xer_ca = 0; | |
567 | } else { | |
568 | xer_ca = 1; | |
569 | } | |
570 | } | |
571 | T0 = ret; | |
572 | } | |
573 | #endif | |
574 | ||
575 | static inline int popcnt (uint32_t val) | |
576 | { | |
577 | int i; | |
578 | ||
579 | for (i = 0; val != 0;) | |
580 | val = val ^ (val - 1); | |
581 | ||
582 | return i; | |
583 | } | |
584 | ||
585 | void do_popcntb (void) | |
586 | { | |
587 | uint32_t ret; | |
588 | int i; | |
589 | ||
590 | ret = 0; | |
591 | for (i = 0; i < 32; i += 8) | |
592 | ret |= popcnt((T0 >> i) & 0xFF) << i; | |
593 | T0 = ret; | |
594 | } | |
595 | ||
596 | #if defined(TARGET_PPC64) | |
597 | void do_popcntb_64 (void) | |
598 | { | |
599 | uint64_t ret; | |
600 | int i; | |
601 | ||
602 | ret = 0; | |
603 | for (i = 0; i < 64; i += 8) | |
604 | ret |= popcnt((T0 >> i) & 0xFF) << i; | |
605 | T0 = ret; | |
606 | } | |
607 | #endif | |
608 | ||
fdabc366 | 609 | /*****************************************************************************/ |
9a64fbe4 | 610 | /* Floating point operations helpers */ |
9a64fbe4 FB |
611 | void do_fctiw (void) |
612 | { | |
613 | union { | |
614 | double d; | |
615 | uint64_t i; | |
4ecc3190 | 616 | } p; |
9a64fbe4 | 617 | |
e864cabd JM |
618 | p.i = float64_to_int32(FT0, &env->fp_status); |
619 | #if USE_PRECISE_EMULATION | |
4ecc3190 | 620 | /* XXX: higher bits are not supposed to be significant. |
76a66253 | 621 | * to make tests easier, return the same as a real PowerPC 750 (aka G3) |
4ecc3190 | 622 | */ |
4ecc3190 | 623 | p.i |= 0xFFF80000ULL << 32; |
e864cabd | 624 | #endif |
4ecc3190 | 625 | FT0 = p.d; |
9a64fbe4 FB |
626 | } |
627 | ||
628 | void do_fctiwz (void) | |
629 | { | |
630 | union { | |
631 | double d; | |
632 | uint64_t i; | |
4ecc3190 FB |
633 | } p; |
634 | ||
e864cabd JM |
635 | p.i = float64_to_int32_round_to_zero(FT0, &env->fp_status); |
636 | #if USE_PRECISE_EMULATION | |
4ecc3190 | 637 | /* XXX: higher bits are not supposed to be significant. |
d9bce9d9 | 638 | * to make tests easier, return the same as a real PowerPC 750 (aka G3) |
4ecc3190 | 639 | */ |
4ecc3190 | 640 | p.i |= 0xFFF80000ULL << 32; |
e864cabd | 641 | #endif |
4ecc3190 | 642 | FT0 = p.d; |
9a64fbe4 FB |
643 | } |
644 | ||
e864cabd JM |
645 | #if USE_PRECISE_EMULATION |
646 | void do_fmadd (void) | |
647 | { | |
648 | #ifdef FLOAT128 | |
649 | float128 ft0_128, ft1_128; | |
650 | ||
651 | ft0_128 = float64_to_float128(FT0, &env->fp_status); | |
652 | ft1_128 = float64_to_float128(FT1, &env->fp_status); | |
653 | ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status); | |
654 | ft1_128 = float64_to_float128(FT2, &env->fp_status); | |
655 | ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status); | |
656 | FT0 = float128_to_float64(ft0_128, &env->fp_status); | |
657 | #else | |
658 | /* This is OK on x86 hosts */ | |
659 | FT0 = (FT0 * FT1) + FT2; | |
660 | #endif | |
661 | } | |
662 | ||
663 | void do_fmsub (void) | |
664 | { | |
665 | #ifdef FLOAT128 | |
666 | float128 ft0_128, ft1_128; | |
667 | ||
668 | ft0_128 = float64_to_float128(FT0, &env->fp_status); | |
669 | ft1_128 = float64_to_float128(FT1, &env->fp_status); | |
670 | ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status); | |
671 | ft1_128 = float64_to_float128(FT2, &env->fp_status); | |
672 | ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status); | |
673 | FT0 = float128_to_float64(ft0_128, &env->fp_status); | |
674 | #else | |
675 | /* This is OK on x86 hosts */ | |
676 | FT0 = (FT0 * FT1) - FT2; | |
677 | #endif | |
678 | } | |
679 | #endif /* USE_PRECISE_EMULATION */ | |
680 | ||
4b3686fa FB |
681 | void do_fnmadd (void) |
682 | { | |
e864cabd JM |
683 | #if USE_PRECISE_EMULATION |
684 | #ifdef FLOAT128 | |
685 | float128 ft0_128, ft1_128; | |
686 | ||
687 | ft0_128 = float64_to_float128(FT0, &env->fp_status); | |
688 | ft1_128 = float64_to_float128(FT1, &env->fp_status); | |
689 | ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status); | |
690 | ft1_128 = float64_to_float128(FT2, &env->fp_status); | |
691 | ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status); | |
692 | FT0 = float128_to_float64(ft0_128, &env->fp_status); | |
693 | #else | |
694 | /* This is OK on x86 hosts */ | |
695 | FT0 = (FT0 * FT1) + FT2; | |
696 | #endif | |
697 | #else | |
fdabc366 FB |
698 | FT0 = float64_mul(FT0, FT1, &env->fp_status); |
699 | FT0 = float64_add(FT0, FT2, &env->fp_status); | |
e864cabd | 700 | #endif |
fdabc366 FB |
701 | if (likely(!isnan(FT0))) |
702 | FT0 = float64_chs(FT0); | |
4b3686fa FB |
703 | } |
704 | ||
705 | void do_fnmsub (void) | |
706 | { | |
e864cabd JM |
707 | #if USE_PRECISE_EMULATION |
708 | #ifdef FLOAT128 | |
709 | float128 ft0_128, ft1_128; | |
710 | ||
711 | ft0_128 = float64_to_float128(FT0, &env->fp_status); | |
712 | ft1_128 = float64_to_float128(FT1, &env->fp_status); | |
713 | ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status); | |
714 | ft1_128 = float64_to_float128(FT2, &env->fp_status); | |
715 | ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status); | |
716 | FT0 = float128_to_float64(ft0_128, &env->fp_status); | |
717 | #else | |
718 | /* This is OK on x86 hosts */ | |
719 | FT0 = (FT0 * FT1) - FT2; | |
720 | #endif | |
721 | #else | |
fdabc366 FB |
722 | FT0 = float64_mul(FT0, FT1, &env->fp_status); |
723 | FT0 = float64_sub(FT0, FT2, &env->fp_status); | |
e864cabd | 724 | #endif |
fdabc366 FB |
725 | if (likely(!isnan(FT0))) |
726 | FT0 = float64_chs(FT0); | |
1ef59d0a FB |
727 | } |
728 | ||
9a64fbe4 FB |
729 | void do_fsqrt (void) |
730 | { | |
fdabc366 | 731 | FT0 = float64_sqrt(FT0, &env->fp_status); |
9a64fbe4 FB |
732 | } |
733 | ||
9a64fbe4 FB |
734 | void do_fres (void) |
735 | { | |
4ecc3190 FB |
736 | union { |
737 | double d; | |
738 | uint64_t i; | |
739 | } p; | |
740 | ||
fdabc366 | 741 | if (likely(isnormal(FT0))) { |
e864cabd JM |
742 | #if USE_PRECISE_EMULATION |
743 | FT0 = float64_div(1.0, FT0, &env->fp_status); | |
744 | FT0 = float64_to_float32(FT0, &env->fp_status); | |
745 | #else | |
76a66253 | 746 | FT0 = float32_div(1.0, FT0, &env->fp_status); |
e864cabd | 747 | #endif |
4ecc3190 FB |
748 | } else { |
749 | p.d = FT0; | |
750 | if (p.i == 0x8000000000000000ULL) { | |
751 | p.i = 0xFFF0000000000000ULL; | |
752 | } else if (p.i == 0x0000000000000000ULL) { | |
753 | p.i = 0x7FF0000000000000ULL; | |
754 | } else if (isnan(FT0)) { | |
755 | p.i = 0x7FF8000000000000ULL; | |
756 | } else if (FT0 < 0.0) { | |
757 | p.i = 0x8000000000000000ULL; | |
758 | } else { | |
759 | p.i = 0x0000000000000000ULL; | |
760 | } | |
761 | FT0 = p.d; | |
762 | } | |
9a64fbe4 FB |
763 | } |
764 | ||
4ecc3190 | 765 | void do_frsqrte (void) |
9a64fbe4 | 766 | { |
4ecc3190 FB |
767 | union { |
768 | double d; | |
769 | uint64_t i; | |
770 | } p; | |
771 | ||
fdabc366 FB |
772 | if (likely(isnormal(FT0) && FT0 > 0.0)) { |
773 | FT0 = float64_sqrt(FT0, &env->fp_status); | |
774 | FT0 = float32_div(1.0, FT0, &env->fp_status); | |
4ecc3190 FB |
775 | } else { |
776 | p.d = FT0; | |
777 | if (p.i == 0x8000000000000000ULL) { | |
778 | p.i = 0xFFF0000000000000ULL; | |
779 | } else if (p.i == 0x0000000000000000ULL) { | |
780 | p.i = 0x7FF0000000000000ULL; | |
781 | } else if (isnan(FT0)) { | |
782 | if (!(p.i & 0x0008000000000000ULL)) | |
783 | p.i |= 0x000FFFFFFFFFFFFFULL; | |
784 | } else if (FT0 < 0) { | |
785 | p.i = 0x7FF8000000000000ULL; | |
786 | } else { | |
787 | p.i = 0x0000000000000000ULL; | |
788 | } | |
789 | FT0 = p.d; | |
790 | } | |
9a64fbe4 FB |
791 | } |
792 | ||
793 | void do_fsel (void) | |
794 | { | |
795 | if (FT0 >= 0) | |
9a64fbe4 | 796 | FT0 = FT1; |
4ecc3190 FB |
797 | else |
798 | FT0 = FT2; | |
9a64fbe4 FB |
799 | } |
800 | ||
801 | void do_fcmpu (void) | |
802 | { | |
fdabc366 FB |
803 | if (likely(!isnan(FT0) && !isnan(FT1))) { |
804 | if (float64_lt(FT0, FT1, &env->fp_status)) { | |
805 | T0 = 0x08UL; | |
806 | } else if (!float64_le(FT0, FT1, &env->fp_status)) { | |
807 | T0 = 0x04UL; | |
808 | } else { | |
809 | T0 = 0x02UL; | |
810 | } | |
811 | } else { | |
812 | T0 = 0x01UL; | |
9a64fbe4 FB |
813 | env->fpscr[4] |= 0x1; |
814 | env->fpscr[6] |= 0x1; | |
9a64fbe4 | 815 | } |
4b3686fa | 816 | env->fpscr[3] = T0; |
9a64fbe4 FB |
817 | } |
818 | ||
819 | void do_fcmpo (void) | |
820 | { | |
821 | env->fpscr[4] &= ~0x1; | |
fdabc366 FB |
822 | if (likely(!isnan(FT0) && !isnan(FT1))) { |
823 | if (float64_lt(FT0, FT1, &env->fp_status)) { | |
824 | T0 = 0x08UL; | |
825 | } else if (!float64_le(FT0, FT1, &env->fp_status)) { | |
826 | T0 = 0x04UL; | |
827 | } else { | |
828 | T0 = 0x02UL; | |
829 | } | |
830 | } else { | |
831 | T0 = 0x01UL; | |
9a64fbe4 | 832 | env->fpscr[4] |= 0x1; |
76a66253 JM |
833 | if (!float64_is_signaling_nan(FT0) || !float64_is_signaling_nan(FT1)) { |
834 | /* Quiet NaN case */ | |
9a64fbe4 FB |
835 | env->fpscr[6] |= 0x1; |
836 | if (!(env->fpscr[1] & 0x8)) | |
837 | env->fpscr[4] |= 0x8; | |
838 | } else { | |
839 | env->fpscr[4] |= 0x8; | |
840 | } | |
9a64fbe4 | 841 | } |
4b3686fa | 842 | env->fpscr[3] = T0; |
9a64fbe4 FB |
843 | } |
844 | ||
76a66253 | 845 | #if !defined (CONFIG_USER_ONLY) |
fdabc366 | 846 | void do_rfi (void) |
9a64fbe4 | 847 | { |
d9bce9d9 JM |
848 | env->nip = (target_ulong)(env->spr[SPR_SRR0] & ~0x00000003); |
849 | T0 = (target_ulong)(env->spr[SPR_SRR1] & ~0xFFFF0000UL); | |
fdabc366 FB |
850 | do_store_msr(env, T0); |
851 | #if defined (DEBUG_OP) | |
852 | dump_rfi(); | |
853 | #endif | |
854 | env->interrupt_request |= CPU_INTERRUPT_EXITTB; | |
9a64fbe4 | 855 | } |
d9bce9d9 JM |
856 | |
857 | #if defined(TARGET_PPC64) | |
858 | void do_rfi_32 (void) | |
859 | { | |
860 | env->nip = (uint32_t)(env->spr[SPR_SRR0] & ~0x00000003); | |
861 | T0 = (uint32_t)(env->spr[SPR_SRR1] & ~0xFFFF0000UL); | |
862 | do_store_msr(env, T0); | |
863 | #if defined (DEBUG_OP) | |
864 | dump_rfi(); | |
865 | #endif | |
866 | env->interrupt_request |= CPU_INTERRUPT_EXITTB; | |
867 | } | |
868 | #endif | |
76a66253 | 869 | #endif |
9a64fbe4 | 870 | |
76a66253 | 871 | void do_tw (int flags) |
9a64fbe4 | 872 | { |
d9bce9d9 JM |
873 | if (!likely(!(((int32_t)T0 < (int32_t)T1 && (flags & 0x10)) || |
874 | ((int32_t)T0 > (int32_t)T1 && (flags & 0x08)) || | |
875 | ((int32_t)T0 == (int32_t)T1 && (flags & 0x04)) || | |
876 | ((uint32_t)T0 < (uint32_t)T1 && (flags & 0x02)) || | |
877 | ((uint32_t)T0 > (uint32_t)T1 && (flags & 0x01))))) | |
fdabc366 | 878 | do_raise_exception_err(EXCP_PROGRAM, EXCP_TRAP); |
9a64fbe4 FB |
879 | } |
880 | ||
d9bce9d9 JM |
881 | #if defined(TARGET_PPC64) |
882 | void do_td (int flags) | |
883 | { | |
884 | if (!likely(!(((int64_t)T0 < (int64_t)T1 && (flags & 0x10)) || | |
885 | ((int64_t)T0 > (int64_t)T1 && (flags & 0x08)) || | |
886 | ((int64_t)T0 == (int64_t)T1 && (flags & 0x04)) || | |
887 | ((uint64_t)T0 < (uint64_t)T1 && (flags & 0x02)) || | |
888 | ((uint64_t)T0 > (uint64_t)T1 && (flags & 0x01))))) | |
889 | do_raise_exception_err(EXCP_PROGRAM, EXCP_TRAP); | |
890 | } | |
891 | #endif | |
892 | ||
fdabc366 | 893 | /*****************************************************************************/ |
76a66253 JM |
894 | /* PowerPC 601 specific instructions (POWER bridge) */ |
895 | void do_POWER_abso (void) | |
9a64fbe4 | 896 | { |
d9bce9d9 | 897 | if ((uint32_t)T0 == INT32_MIN) { |
76a66253 JM |
898 | T0 = INT32_MAX; |
899 | xer_ov = 1; | |
900 | xer_so = 1; | |
901 | } else { | |
902 | T0 = -T0; | |
903 | xer_ov = 0; | |
904 | } | |
9a64fbe4 FB |
905 | } |
906 | ||
76a66253 | 907 | void do_POWER_clcs (void) |
9a64fbe4 | 908 | { |
76a66253 JM |
909 | switch (T0) { |
910 | case 0x0CUL: | |
911 | /* Instruction cache line size */ | |
912 | T0 = ICACHE_LINE_SIZE; | |
913 | break; | |
914 | case 0x0DUL: | |
915 | /* Data cache line size */ | |
916 | T0 = DCACHE_LINE_SIZE; | |
917 | break; | |
918 | case 0x0EUL: | |
919 | /* Minimum cache line size */ | |
920 | T0 = ICACHE_LINE_SIZE < DCACHE_LINE_SIZE ? | |
921 | ICACHE_LINE_SIZE : DCACHE_LINE_SIZE; | |
922 | break; | |
923 | case 0x0FUL: | |
924 | /* Maximum cache line size */ | |
925 | T0 = ICACHE_LINE_SIZE > DCACHE_LINE_SIZE ? | |
926 | ICACHE_LINE_SIZE : DCACHE_LINE_SIZE; | |
927 | break; | |
928 | default: | |
929 | /* Undefined */ | |
930 | break; | |
931 | } | |
932 | } | |
933 | ||
934 | void do_POWER_div (void) | |
935 | { | |
936 | uint64_t tmp; | |
937 | ||
d9bce9d9 | 938 | if (((int32_t)T0 == INT32_MIN && (int32_t)T1 == -1) || (int32_t)T1 == 0) { |
76a66253 JM |
939 | T0 = (long)((-1) * (T0 >> 31)); |
940 | env->spr[SPR_MQ] = 0; | |
941 | } else { | |
942 | tmp = ((uint64_t)T0 << 32) | env->spr[SPR_MQ]; | |
943 | env->spr[SPR_MQ] = tmp % T1; | |
d9bce9d9 | 944 | T0 = tmp / (int32_t)T1; |
76a66253 JM |
945 | } |
946 | } | |
947 | ||
948 | void do_POWER_divo (void) | |
949 | { | |
950 | int64_t tmp; | |
951 | ||
d9bce9d9 | 952 | if (((int32_t)T0 == INT32_MIN && (int32_t)T1 == -1) || (int32_t)T1 == 0) { |
76a66253 JM |
953 | T0 = (long)((-1) * (T0 >> 31)); |
954 | env->spr[SPR_MQ] = 0; | |
955 | xer_ov = 1; | |
956 | xer_so = 1; | |
957 | } else { | |
958 | tmp = ((uint64_t)T0 << 32) | env->spr[SPR_MQ]; | |
959 | env->spr[SPR_MQ] = tmp % T1; | |
d9bce9d9 | 960 | tmp /= (int32_t)T1; |
76a66253 JM |
961 | if (tmp > (int64_t)INT32_MAX || tmp < (int64_t)INT32_MIN) { |
962 | xer_ov = 1; | |
963 | xer_so = 1; | |
964 | } else { | |
965 | xer_ov = 0; | |
966 | } | |
967 | T0 = tmp; | |
968 | } | |
969 | } | |
970 | ||
971 | void do_POWER_divs (void) | |
972 | { | |
d9bce9d9 | 973 | if (((int32_t)T0 == INT32_MIN && (int32_t)T1 == -1) || (int32_t)T1 == 0) { |
76a66253 JM |
974 | T0 = (long)((-1) * (T0 >> 31)); |
975 | env->spr[SPR_MQ] = 0; | |
976 | } else { | |
977 | env->spr[SPR_MQ] = T0 % T1; | |
d9bce9d9 | 978 | T0 = (int32_t)T0 / (int32_t)T1; |
76a66253 JM |
979 | } |
980 | } | |
981 | ||
982 | void do_POWER_divso (void) | |
983 | { | |
d9bce9d9 | 984 | if (((int32_t)T0 == INT32_MIN && (int32_t)T1 == -1) || (int32_t)T1 == 0) { |
76a66253 JM |
985 | T0 = (long)((-1) * (T0 >> 31)); |
986 | env->spr[SPR_MQ] = 0; | |
987 | xer_ov = 1; | |
988 | xer_so = 1; | |
989 | } else { | |
d9bce9d9 JM |
990 | T0 = (int32_t)T0 / (int32_t)T1; |
991 | env->spr[SPR_MQ] = (int32_t)T0 % (int32_t)T1; | |
76a66253 JM |
992 | xer_ov = 0; |
993 | } | |
994 | } | |
995 | ||
996 | void do_POWER_dozo (void) | |
997 | { | |
d9bce9d9 | 998 | if ((int32_t)T1 > (int32_t)T0) { |
76a66253 JM |
999 | T2 = T0; |
1000 | T0 = T1 - T0; | |
d9bce9d9 JM |
1001 | if (((uint32_t)(~T2) ^ (uint32_t)T1 ^ UINT32_MAX) & |
1002 | ((uint32_t)(~T2) ^ (uint32_t)T0) & (1UL << 31)) { | |
76a66253 JM |
1003 | xer_so = 1; |
1004 | xer_ov = 1; | |
1005 | } else { | |
1006 | xer_ov = 0; | |
1007 | } | |
1008 | } else { | |
1009 | T0 = 0; | |
1010 | xer_ov = 0; | |
1011 | } | |
1012 | } | |
1013 | ||
1014 | void do_POWER_maskg (void) | |
1015 | { | |
1016 | uint32_t ret; | |
1017 | ||
d9bce9d9 | 1018 | if ((uint32_t)T0 == (uint32_t)(T1 + 1)) { |
76a66253 JM |
1019 | ret = -1; |
1020 | } else { | |
d9bce9d9 JM |
1021 | ret = (((uint32_t)(-1)) >> ((uint32_t)T0)) ^ |
1022 | (((uint32_t)(-1) >> ((uint32_t)T1)) >> 1); | |
1023 | if ((uint32_t)T0 > (uint32_t)T1) | |
76a66253 JM |
1024 | ret = ~ret; |
1025 | } | |
1026 | T0 = ret; | |
1027 | } | |
1028 | ||
1029 | void do_POWER_mulo (void) | |
1030 | { | |
1031 | uint64_t tmp; | |
1032 | ||
1033 | tmp = (uint64_t)T0 * (uint64_t)T1; | |
1034 | env->spr[SPR_MQ] = tmp >> 32; | |
1035 | T0 = tmp; | |
1036 | if (tmp >> 32 != ((uint64_t)T0 >> 16) * ((uint64_t)T1 >> 16)) { | |
1037 | xer_ov = 1; | |
1038 | xer_so = 1; | |
1039 | } else { | |
1040 | xer_ov = 0; | |
1041 | } | |
1042 | } | |
1043 | ||
1044 | #if !defined (CONFIG_USER_ONLY) | |
1045 | void do_POWER_rac (void) | |
1046 | { | |
1047 | #if 0 | |
1048 | mmu_ctx_t ctx; | |
1049 | ||
1050 | /* We don't have to generate many instances of this instruction, | |
1051 | * as rac is supervisor only. | |
1052 | */ | |
1053 | if (get_physical_address(env, &ctx, T0, 0, ACCESS_INT, 1) == 0) | |
1054 | T0 = ctx.raddr; | |
1055 | #endif | |
1056 | } | |
1057 | ||
1058 | void do_POWER_rfsvc (void) | |
1059 | { | |
1060 | env->nip = env->lr & ~0x00000003UL; | |
1061 | T0 = env->ctr & 0x0000FFFFUL; | |
1062 | do_store_msr(env, T0); | |
1063 | #if defined (DEBUG_OP) | |
1064 | dump_rfi(); | |
1065 | #endif | |
1066 | env->interrupt_request |= CPU_INTERRUPT_EXITTB; | |
1067 | } | |
1068 | ||
1069 | /* PowerPC 601 BAT management helper */ | |
1070 | void do_store_601_batu (int nr) | |
1071 | { | |
d9bce9d9 | 1072 | do_store_ibatu(env, nr, (uint32_t)T0); |
76a66253 JM |
1073 | env->DBAT[0][nr] = env->IBAT[0][nr]; |
1074 | env->DBAT[1][nr] = env->IBAT[1][nr]; | |
1075 | } | |
1076 | #endif | |
1077 | ||
1078 | /*****************************************************************************/ | |
1079 | /* 602 specific instructions */ | |
1080 | /* mfrom is the most crazy instruction ever seen, imho ! */ | |
1081 | /* Real implementation uses a ROM table. Do the same */ | |
1082 | #define USE_MFROM_ROM_TABLE | |
1083 | void do_op_602_mfrom (void) | |
1084 | { | |
1085 | if (likely(T0 < 602)) { | |
d9bce9d9 | 1086 | #if defined(USE_MFROM_ROM_TABLE) |
76a66253 JM |
1087 | #include "mfrom_table.c" |
1088 | T0 = mfrom_ROM_table[T0]; | |
fdabc366 | 1089 | #else |
76a66253 JM |
1090 | double d; |
1091 | /* Extremly decomposed: | |
1092 | * -T0 / 256 | |
1093 | * T0 = 256 * log10(10 + 1.0) + 0.5 | |
1094 | */ | |
1095 | d = T0; | |
1096 | d = float64_div(d, 256, &env->fp_status); | |
1097 | d = float64_chs(d); | |
1098 | d = exp10(d); // XXX: use float emulation function | |
1099 | d = float64_add(d, 1.0, &env->fp_status); | |
1100 | d = log10(d); // XXX: use float emulation function | |
1101 | d = float64_mul(d, 256, &env->fp_status); | |
1102 | d = float64_add(d, 0.5, &env->fp_status); | |
1103 | T0 = float64_round_to_int(d, &env->fp_status); | |
fdabc366 | 1104 | #endif |
76a66253 JM |
1105 | } else { |
1106 | T0 = 0; | |
1107 | } | |
1108 | } | |
1109 | ||
1110 | /*****************************************************************************/ | |
1111 | /* Embedded PowerPC specific helpers */ | |
1112 | void do_405_check_ov (void) | |
1113 | { | |
d9bce9d9 JM |
1114 | if (likely((((uint32_t)T1 ^ (uint32_t)T2) >> 31) || |
1115 | !(((uint32_t)T0 ^ (uint32_t)T2) >> 31))) { | |
76a66253 JM |
1116 | xer_ov = 0; |
1117 | } else { | |
1118 | xer_ov = 1; | |
1119 | xer_so = 1; | |
1120 | } | |
1121 | } | |
1122 | ||
1123 | void do_405_check_sat (void) | |
1124 | { | |
d9bce9d9 JM |
1125 | if (!likely((((uint32_t)T1 ^ (uint32_t)T2) >> 31) || |
1126 | !(((uint32_t)T0 ^ (uint32_t)T2) >> 31))) { | |
76a66253 JM |
1127 | /* Saturate result */ |
1128 | if (T2 >> 31) { | |
1129 | T0 = INT32_MIN; | |
1130 | } else { | |
1131 | T0 = INT32_MAX; | |
1132 | } | |
1133 | } | |
1134 | } | |
1135 | ||
1136 | #if !defined(CONFIG_USER_ONLY) | |
1137 | void do_4xx_rfci (void) | |
1138 | { | |
1139 | env->nip = env->spr[SPR_40x_SRR2]; | |
1140 | T0 = env->spr[SPR_40x_SRR3] & ~0xFFFF0000; | |
1141 | do_store_msr(env, T0); | |
1142 | #if defined (DEBUG_OP) | |
1143 | dump_rfi(); | |
1144 | #endif | |
1145 | env->interrupt_request = CPU_INTERRUPT_EXITTB; | |
1146 | } | |
1147 | ||
1148 | void do_4xx_load_dcr (int dcrn) | |
1149 | { | |
1150 | target_ulong val; | |
1151 | ||
1152 | if (unlikely(env->dcr_read == NULL)) | |
1153 | do_raise_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_INVAL); | |
1154 | else if (unlikely((*env->dcr_read)(env->dcr_env, dcrn, &val) != 0)) | |
1155 | do_raise_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_PRIV_REG); | |
1156 | else | |
1157 | T0 = val; | |
1158 | } | |
1159 | ||
1160 | void do_4xx_store_dcr (int dcrn) | |
1161 | { | |
1162 | if (unlikely(env->dcr_write == NULL)) | |
1163 | do_raise_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_INVAL); | |
1164 | else if (unlikely((*env->dcr_write)(env->dcr_env, dcrn, T0) != 0)) | |
1165 | do_raise_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_PRIV_REG); | |
1166 | } | |
1167 | ||
1168 | void do_load_403_pb (int num) | |
1169 | { | |
1170 | T0 = env->pb[num]; | |
1171 | } | |
1172 | ||
1173 | void do_store_403_pb (int num) | |
1174 | { | |
1175 | if (likely(env->pb[num] != T0)) { | |
1176 | env->pb[num] = T0; | |
1177 | /* Should be optimized */ | |
1178 | tlb_flush(env, 1); | |
1179 | } | |
1180 | } | |
1181 | #endif | |
1182 | ||
1183 | /* 440 specific */ | |
1184 | void do_440_dlmzb (void) | |
1185 | { | |
1186 | target_ulong mask; | |
1187 | int i; | |
1188 | ||
1189 | i = 1; | |
1190 | for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { | |
1191 | if ((T0 & mask) == 0) | |
1192 | goto done; | |
1193 | i++; | |
1194 | } | |
1195 | for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { | |
1196 | if ((T1 & mask) == 0) | |
1197 | break; | |
1198 | i++; | |
1199 | } | |
1200 | done: | |
1201 | T0 = i; | |
fdabc366 FB |
1202 | } |
1203 | ||
0487d6a8 JM |
1204 | #if defined(TARGET_PPCSPE) |
1205 | /* SPE extension helpers */ | |
1206 | /* Use a table to make this quicker */ | |
1207 | static uint8_t hbrev[16] = { | |
1208 | 0x0, 0x8, 0x4, 0xC, 0x2, 0xA, 0x6, 0xE, | |
1209 | 0x1, 0x9, 0x5, 0xD, 0x3, 0xB, 0x7, 0xF, | |
1210 | }; | |
1211 | ||
1212 | static inline uint8_t byte_reverse (uint8_t val) | |
1213 | { | |
1214 | return hbrev[val >> 4] | (hbrev[val & 0xF] << 4); | |
1215 | } | |
1216 | ||
1217 | static inline uint32_t word_reverse (uint32_t val) | |
1218 | { | |
1219 | return byte_reverse(val >> 24) | (byte_reverse(val >> 16) << 8) | | |
1220 | (byte_reverse(val >> 8) << 16) | (byte_reverse(val) << 24); | |
1221 | } | |
1222 | ||
1223 | #define MASKBITS 16 // Random value - to be fixed | |
1224 | void do_brinc (void) | |
1225 | { | |
1226 | uint32_t a, b, d, mask; | |
1227 | ||
1228 | mask = (uint32_t)(-1UL) >> MASKBITS; | |
1229 | b = T1_64 & mask; | |
1230 | a = T0_64 & mask; | |
1231 | d = word_reverse(1 + word_reverse(a | ~mask)); | |
1232 | T0_64 = (T0_64 & ~mask) | (d & mask); | |
1233 | } | |
1234 | ||
1235 | #define DO_SPE_OP2(name) \ | |
1236 | void do_ev##name (void) \ | |
1237 | { \ | |
1238 | T0_64 = ((uint64_t)_do_e##name(T0_64 >> 32, T1_64 >> 32) << 32) | \ | |
1239 | (uint64_t)_do_e##name(T0_64, T1_64); \ | |
1240 | } | |
1241 | ||
1242 | #define DO_SPE_OP1(name) \ | |
1243 | void do_ev##name (void) \ | |
1244 | { \ | |
1245 | T0_64 = ((uint64_t)_do_e##name(T0_64 >> 32) << 32) | \ | |
1246 | (uint64_t)_do_e##name(T0_64); \ | |
1247 | } | |
1248 | ||
1249 | /* Fixed-point vector arithmetic */ | |
1250 | static inline uint32_t _do_eabs (uint32_t val) | |
1251 | { | |
1252 | if (val != 0x80000000) | |
1253 | val &= ~0x80000000; | |
1254 | ||
1255 | return val; | |
1256 | } | |
1257 | ||
1258 | static inline uint32_t _do_eaddw (uint32_t op1, uint32_t op2) | |
1259 | { | |
1260 | return op1 + op2; | |
1261 | } | |
1262 | ||
1263 | static inline int _do_ecntlsw (uint32_t val) | |
1264 | { | |
1265 | if (val & 0x80000000) | |
1266 | return _do_cntlzw(~val); | |
1267 | else | |
1268 | return _do_cntlzw(val); | |
1269 | } | |
1270 | ||
1271 | static inline int _do_ecntlzw (uint32_t val) | |
1272 | { | |
1273 | return _do_cntlzw(val); | |
1274 | } | |
1275 | ||
1276 | static inline uint32_t _do_eneg (uint32_t val) | |
1277 | { | |
1278 | if (val != 0x80000000) | |
1279 | val ^= 0x80000000; | |
1280 | ||
1281 | return val; | |
1282 | } | |
1283 | ||
1284 | static inline uint32_t _do_erlw (uint32_t op1, uint32_t op2) | |
1285 | { | |
1286 | return rotl32(op1, op2); | |
1287 | } | |
1288 | ||
1289 | static inline uint32_t _do_erndw (uint32_t val) | |
1290 | { | |
1291 | return (val + 0x000080000000) & 0xFFFF0000; | |
1292 | } | |
1293 | ||
1294 | static inline uint32_t _do_eslw (uint32_t op1, uint32_t op2) | |
1295 | { | |
1296 | /* No error here: 6 bits are used */ | |
1297 | return op1 << (op2 & 0x3F); | |
1298 | } | |
1299 | ||
1300 | static inline int32_t _do_esrws (int32_t op1, uint32_t op2) | |
1301 | { | |
1302 | /* No error here: 6 bits are used */ | |
1303 | return op1 >> (op2 & 0x3F); | |
1304 | } | |
1305 | ||
1306 | static inline uint32_t _do_esrwu (uint32_t op1, uint32_t op2) | |
1307 | { | |
1308 | /* No error here: 6 bits are used */ | |
1309 | return op1 >> (op2 & 0x3F); | |
1310 | } | |
1311 | ||
1312 | static inline uint32_t _do_esubfw (uint32_t op1, uint32_t op2) | |
1313 | { | |
1314 | return op2 - op1; | |
1315 | } | |
1316 | ||
1317 | /* evabs */ | |
1318 | DO_SPE_OP1(abs); | |
1319 | /* evaddw */ | |
1320 | DO_SPE_OP2(addw); | |
1321 | /* evcntlsw */ | |
1322 | DO_SPE_OP1(cntlsw); | |
1323 | /* evcntlzw */ | |
1324 | DO_SPE_OP1(cntlzw); | |
1325 | /* evneg */ | |
1326 | DO_SPE_OP1(neg); | |
1327 | /* evrlw */ | |
1328 | DO_SPE_OP2(rlw); | |
1329 | /* evrnd */ | |
1330 | DO_SPE_OP1(rndw); | |
1331 | /* evslw */ | |
1332 | DO_SPE_OP2(slw); | |
1333 | /* evsrws */ | |
1334 | DO_SPE_OP2(srws); | |
1335 | /* evsrwu */ | |
1336 | DO_SPE_OP2(srwu); | |
1337 | /* evsubfw */ | |
1338 | DO_SPE_OP2(subfw); | |
1339 | ||
1340 | /* evsel is a little bit more complicated... */ | |
1341 | static inline uint32_t _do_esel (uint32_t op1, uint32_t op2, int n) | |
1342 | { | |
1343 | if (n) | |
1344 | return op1; | |
1345 | else | |
1346 | return op2; | |
1347 | } | |
1348 | ||
1349 | void do_evsel (void) | |
1350 | { | |
1351 | T0_64 = ((uint64_t)_do_esel(T0_64 >> 32, T1_64 >> 32, T0 >> 3) << 32) | | |
1352 | (uint64_t)_do_esel(T0_64, T1_64, (T0 >> 2) & 1); | |
1353 | } | |
1354 | ||
1355 | /* Fixed-point vector comparisons */ | |
1356 | #define DO_SPE_CMP(name) \ | |
1357 | void do_ev##name (void) \ | |
1358 | { \ | |
1359 | T0 = _do_evcmp_merge((uint64_t)_do_e##name(T0_64 >> 32, \ | |
1360 | T1_64 >> 32) << 32, \ | |
1361 | _do_e##name(T0_64, T1_64)); \ | |
1362 | } | |
1363 | ||
1364 | static inline uint32_t _do_evcmp_merge (int t0, int t1) | |
1365 | { | |
1366 | return (t0 << 3) | (t1 << 2) | ((t0 | t1) << 1) | (t0 & t1); | |
1367 | } | |
1368 | static inline int _do_ecmpeq (uint32_t op1, uint32_t op2) | |
1369 | { | |
1370 | return op1 == op2 ? 1 : 0; | |
1371 | } | |
1372 | ||
1373 | static inline int _do_ecmpgts (int32_t op1, int32_t op2) | |
1374 | { | |
1375 | return op1 > op2 ? 1 : 0; | |
1376 | } | |
1377 | ||
1378 | static inline int _do_ecmpgtu (uint32_t op1, uint32_t op2) | |
1379 | { | |
1380 | return op1 > op2 ? 1 : 0; | |
1381 | } | |
1382 | ||
1383 | static inline int _do_ecmplts (int32_t op1, int32_t op2) | |
1384 | { | |
1385 | return op1 < op2 ? 1 : 0; | |
1386 | } | |
1387 | ||
1388 | static inline int _do_ecmpltu (uint32_t op1, uint32_t op2) | |
1389 | { | |
1390 | return op1 < op2 ? 1 : 0; | |
1391 | } | |
1392 | ||
1393 | /* evcmpeq */ | |
1394 | DO_SPE_CMP(cmpeq); | |
1395 | /* evcmpgts */ | |
1396 | DO_SPE_CMP(cmpgts); | |
1397 | /* evcmpgtu */ | |
1398 | DO_SPE_CMP(cmpgtu); | |
1399 | /* evcmplts */ | |
1400 | DO_SPE_CMP(cmplts); | |
1401 | /* evcmpltu */ | |
1402 | DO_SPE_CMP(cmpltu); | |
1403 | ||
1404 | /* Single precision floating-point conversions from/to integer */ | |
1405 | static inline uint32_t _do_efscfsi (int32_t val) | |
1406 | { | |
1407 | union { | |
1408 | uint32_t u; | |
1409 | float32 f; | |
1410 | } u; | |
1411 | ||
1412 | u.f = int32_to_float32(val, &env->spe_status); | |
1413 | ||
1414 | return u.u; | |
1415 | } | |
1416 | ||
1417 | static inline uint32_t _do_efscfui (uint32_t val) | |
1418 | { | |
1419 | union { | |
1420 | uint32_t u; | |
1421 | float32 f; | |
1422 | } u; | |
1423 | ||
1424 | u.f = uint32_to_float32(val, &env->spe_status); | |
1425 | ||
1426 | return u.u; | |
1427 | } | |
1428 | ||
1429 | static inline int32_t _do_efsctsi (uint32_t val) | |
1430 | { | |
1431 | union { | |
1432 | int32_t u; | |
1433 | float32 f; | |
1434 | } u; | |
1435 | ||
1436 | u.u = val; | |
1437 | /* NaN are not treated the same way IEEE 754 does */ | |
1438 | if (unlikely(isnan(u.f))) | |
1439 | return 0; | |
1440 | ||
1441 | return float32_to_int32(u.f, &env->spe_status); | |
1442 | } | |
1443 | ||
1444 | static inline uint32_t _do_efsctui (uint32_t val) | |
1445 | { | |
1446 | union { | |
1447 | int32_t u; | |
1448 | float32 f; | |
1449 | } u; | |
1450 | ||
1451 | u.u = val; | |
1452 | /* NaN are not treated the same way IEEE 754 does */ | |
1453 | if (unlikely(isnan(u.f))) | |
1454 | return 0; | |
1455 | ||
1456 | return float32_to_uint32(u.f, &env->spe_status); | |
1457 | } | |
1458 | ||
1459 | static inline int32_t _do_efsctsiz (uint32_t val) | |
1460 | { | |
1461 | union { | |
1462 | int32_t u; | |
1463 | float32 f; | |
1464 | } u; | |
1465 | ||
1466 | u.u = val; | |
1467 | /* NaN are not treated the same way IEEE 754 does */ | |
1468 | if (unlikely(isnan(u.f))) | |
1469 | return 0; | |
1470 | ||
1471 | return float32_to_int32_round_to_zero(u.f, &env->spe_status); | |
1472 | } | |
1473 | ||
1474 | static inline uint32_t _do_efsctuiz (uint32_t val) | |
1475 | { | |
1476 | union { | |
1477 | int32_t u; | |
1478 | float32 f; | |
1479 | } u; | |
1480 | ||
1481 | u.u = val; | |
1482 | /* NaN are not treated the same way IEEE 754 does */ | |
1483 | if (unlikely(isnan(u.f))) | |
1484 | return 0; | |
1485 | ||
1486 | return float32_to_uint32_round_to_zero(u.f, &env->spe_status); | |
1487 | } | |
1488 | ||
1489 | void do_efscfsi (void) | |
1490 | { | |
1491 | T0_64 = _do_efscfsi(T0_64); | |
1492 | } | |
1493 | ||
1494 | void do_efscfui (void) | |
1495 | { | |
1496 | T0_64 = _do_efscfui(T0_64); | |
1497 | } | |
1498 | ||
1499 | void do_efsctsi (void) | |
1500 | { | |
1501 | T0_64 = _do_efsctsi(T0_64); | |
1502 | } | |
1503 | ||
1504 | void do_efsctui (void) | |
1505 | { | |
1506 | T0_64 = _do_efsctui(T0_64); | |
1507 | } | |
1508 | ||
1509 | void do_efsctsiz (void) | |
1510 | { | |
1511 | T0_64 = _do_efsctsiz(T0_64); | |
1512 | } | |
1513 | ||
1514 | void do_efsctuiz (void) | |
1515 | { | |
1516 | T0_64 = _do_efsctuiz(T0_64); | |
1517 | } | |
1518 | ||
1519 | /* Single precision floating-point conversion to/from fractional */ | |
1520 | static inline uint32_t _do_efscfsf (uint32_t val) | |
1521 | { | |
1522 | union { | |
1523 | uint32_t u; | |
1524 | float32 f; | |
1525 | } u; | |
1526 | float32 tmp; | |
1527 | ||
1528 | u.f = int32_to_float32(val, &env->spe_status); | |
1529 | tmp = int64_to_float32(1ULL << 32, &env->spe_status); | |
1530 | u.f = float32_div(u.f, tmp, &env->spe_status); | |
1531 | ||
1532 | return u.u; | |
1533 | } | |
1534 | ||
1535 | static inline uint32_t _do_efscfuf (uint32_t val) | |
1536 | { | |
1537 | union { | |
1538 | uint32_t u; | |
1539 | float32 f; | |
1540 | } u; | |
1541 | float32 tmp; | |
1542 | ||
1543 | u.f = uint32_to_float32(val, &env->spe_status); | |
1544 | tmp = uint64_to_float32(1ULL << 32, &env->spe_status); | |
1545 | u.f = float32_div(u.f, tmp, &env->spe_status); | |
1546 | ||
1547 | return u.u; | |
1548 | } | |
1549 | ||
1550 | static inline int32_t _do_efsctsf (uint32_t val) | |
1551 | { | |
1552 | union { | |
1553 | int32_t u; | |
1554 | float32 f; | |
1555 | } u; | |
1556 | float32 tmp; | |
1557 | ||
1558 | u.u = val; | |
1559 | /* NaN are not treated the same way IEEE 754 does */ | |
1560 | if (unlikely(isnan(u.f))) | |
1561 | return 0; | |
1562 | tmp = uint64_to_float32(1ULL << 32, &env->spe_status); | |
1563 | u.f = float32_mul(u.f, tmp, &env->spe_status); | |
1564 | ||
1565 | return float32_to_int32(u.f, &env->spe_status); | |
1566 | } | |
1567 | ||
1568 | static inline uint32_t _do_efsctuf (uint32_t val) | |
1569 | { | |
1570 | union { | |
1571 | int32_t u; | |
1572 | float32 f; | |
1573 | } u; | |
1574 | float32 tmp; | |
1575 | ||
1576 | u.u = val; | |
1577 | /* NaN are not treated the same way IEEE 754 does */ | |
1578 | if (unlikely(isnan(u.f))) | |
1579 | return 0; | |
1580 | tmp = uint64_to_float32(1ULL << 32, &env->spe_status); | |
1581 | u.f = float32_mul(u.f, tmp, &env->spe_status); | |
1582 | ||
1583 | return float32_to_uint32(u.f, &env->spe_status); | |
1584 | } | |
1585 | ||
1586 | static inline int32_t _do_efsctsfz (uint32_t val) | |
1587 | { | |
1588 | union { | |
1589 | int32_t u; | |
1590 | float32 f; | |
1591 | } u; | |
1592 | float32 tmp; | |
1593 | ||
1594 | u.u = val; | |
1595 | /* NaN are not treated the same way IEEE 754 does */ | |
1596 | if (unlikely(isnan(u.f))) | |
1597 | return 0; | |
1598 | tmp = uint64_to_float32(1ULL << 32, &env->spe_status); | |
1599 | u.f = float32_mul(u.f, tmp, &env->spe_status); | |
1600 | ||
1601 | return float32_to_int32_round_to_zero(u.f, &env->spe_status); | |
1602 | } | |
1603 | ||
1604 | static inline uint32_t _do_efsctufz (uint32_t val) | |
1605 | { | |
1606 | union { | |
1607 | int32_t u; | |
1608 | float32 f; | |
1609 | } u; | |
1610 | float32 tmp; | |
1611 | ||
1612 | u.u = val; | |
1613 | /* NaN are not treated the same way IEEE 754 does */ | |
1614 | if (unlikely(isnan(u.f))) | |
1615 | return 0; | |
1616 | tmp = uint64_to_float32(1ULL << 32, &env->spe_status); | |
1617 | u.f = float32_mul(u.f, tmp, &env->spe_status); | |
1618 | ||
1619 | return float32_to_uint32_round_to_zero(u.f, &env->spe_status); | |
1620 | } | |
1621 | ||
1622 | void do_efscfsf (void) | |
1623 | { | |
1624 | T0_64 = _do_efscfsf(T0_64); | |
1625 | } | |
1626 | ||
1627 | void do_efscfuf (void) | |
1628 | { | |
1629 | T0_64 = _do_efscfuf(T0_64); | |
1630 | } | |
1631 | ||
1632 | void do_efsctsf (void) | |
1633 | { | |
1634 | T0_64 = _do_efsctsf(T0_64); | |
1635 | } | |
1636 | ||
1637 | void do_efsctuf (void) | |
1638 | { | |
1639 | T0_64 = _do_efsctuf(T0_64); | |
1640 | } | |
1641 | ||
1642 | void do_efsctsfz (void) | |
1643 | { | |
1644 | T0_64 = _do_efsctsfz(T0_64); | |
1645 | } | |
1646 | ||
1647 | void do_efsctufz (void) | |
1648 | { | |
1649 | T0_64 = _do_efsctufz(T0_64); | |
1650 | } | |
1651 | ||
1652 | /* Double precision floating point helpers */ | |
1653 | static inline int _do_efdcmplt (uint64_t op1, uint64_t op2) | |
1654 | { | |
1655 | /* XXX: TODO: test special values (NaN, infinites, ...) */ | |
1656 | return _do_efdtstlt(op1, op2); | |
1657 | } | |
1658 | ||
1659 | static inline int _do_efdcmpgt (uint64_t op1, uint64_t op2) | |
1660 | { | |
1661 | /* XXX: TODO: test special values (NaN, infinites, ...) */ | |
1662 | return _do_efdtstgt(op1, op2); | |
1663 | } | |
1664 | ||
1665 | static inline int _do_efdcmpeq (uint64_t op1, uint64_t op2) | |
1666 | { | |
1667 | /* XXX: TODO: test special values (NaN, infinites, ...) */ | |
1668 | return _do_efdtsteq(op1, op2); | |
1669 | } | |
1670 | ||
1671 | void do_efdcmplt (void) | |
1672 | { | |
1673 | T0 = _do_efdcmplt(T0_64, T1_64); | |
1674 | } | |
1675 | ||
1676 | void do_efdcmpgt (void) | |
1677 | { | |
1678 | T0 = _do_efdcmpgt(T0_64, T1_64); | |
1679 | } | |
1680 | ||
1681 | void do_efdcmpeq (void) | |
1682 | { | |
1683 | T0 = _do_efdcmpeq(T0_64, T1_64); | |
1684 | } | |
1685 | ||
1686 | /* Double precision floating-point conversion to/from integer */ | |
1687 | static inline uint64_t _do_efdcfsi (int64_t val) | |
1688 | { | |
1689 | union { | |
1690 | uint64_t u; | |
1691 | float64 f; | |
1692 | } u; | |
1693 | ||
1694 | u.f = int64_to_float64(val, &env->spe_status); | |
1695 | ||
1696 | return u.u; | |
1697 | } | |
1698 | ||
1699 | static inline uint64_t _do_efdcfui (uint64_t val) | |
1700 | { | |
1701 | union { | |
1702 | uint64_t u; | |
1703 | float64 f; | |
1704 | } u; | |
1705 | ||
1706 | u.f = uint64_to_float64(val, &env->spe_status); | |
1707 | ||
1708 | return u.u; | |
1709 | } | |
1710 | ||
1711 | static inline int64_t _do_efdctsi (uint64_t val) | |
1712 | { | |
1713 | union { | |
1714 | int64_t u; | |
1715 | float64 f; | |
1716 | } u; | |
1717 | ||
1718 | u.u = val; | |
1719 | /* NaN are not treated the same way IEEE 754 does */ | |
1720 | if (unlikely(isnan(u.f))) | |
1721 | return 0; | |
1722 | ||
1723 | return float64_to_int64(u.f, &env->spe_status); | |
1724 | } | |
1725 | ||
1726 | static inline uint64_t _do_efdctui (uint64_t val) | |
1727 | { | |
1728 | union { | |
1729 | int64_t u; | |
1730 | float64 f; | |
1731 | } u; | |
1732 | ||
1733 | u.u = val; | |
1734 | /* NaN are not treated the same way IEEE 754 does */ | |
1735 | if (unlikely(isnan(u.f))) | |
1736 | return 0; | |
1737 | ||
1738 | return float64_to_uint64(u.f, &env->spe_status); | |
1739 | } | |
1740 | ||
1741 | static inline int64_t _do_efdctsiz (uint64_t val) | |
1742 | { | |
1743 | union { | |
1744 | int64_t u; | |
1745 | float64 f; | |
1746 | } u; | |
1747 | ||
1748 | u.u = val; | |
1749 | /* NaN are not treated the same way IEEE 754 does */ | |
1750 | if (unlikely(isnan(u.f))) | |
1751 | return 0; | |
1752 | ||
1753 | return float64_to_int64_round_to_zero(u.f, &env->spe_status); | |
1754 | } | |
1755 | ||
1756 | static inline uint64_t _do_efdctuiz (uint64_t val) | |
1757 | { | |
1758 | union { | |
1759 | int64_t u; | |
1760 | float64 f; | |
1761 | } u; | |
1762 | ||
1763 | u.u = val; | |
1764 | /* NaN are not treated the same way IEEE 754 does */ | |
1765 | if (unlikely(isnan(u.f))) | |
1766 | return 0; | |
1767 | ||
1768 | return float64_to_uint64_round_to_zero(u.f, &env->spe_status); | |
1769 | } | |
1770 | ||
1771 | void do_efdcfsi (void) | |
1772 | { | |
1773 | T0_64 = _do_efdcfsi(T0_64); | |
1774 | } | |
1775 | ||
1776 | void do_efdcfui (void) | |
1777 | { | |
1778 | T0_64 = _do_efdcfui(T0_64); | |
1779 | } | |
1780 | ||
1781 | void do_efdctsi (void) | |
1782 | { | |
1783 | T0_64 = _do_efdctsi(T0_64); | |
1784 | } | |
1785 | ||
1786 | void do_efdctui (void) | |
1787 | { | |
1788 | T0_64 = _do_efdctui(T0_64); | |
1789 | } | |
1790 | ||
1791 | void do_efdctsiz (void) | |
1792 | { | |
1793 | T0_64 = _do_efdctsiz(T0_64); | |
1794 | } | |
1795 | ||
1796 | void do_efdctuiz (void) | |
1797 | { | |
1798 | T0_64 = _do_efdctuiz(T0_64); | |
1799 | } | |
1800 | ||
1801 | /* Double precision floating-point conversion to/from fractional */ | |
1802 | static inline uint64_t _do_efdcfsf (int64_t val) | |
1803 | { | |
1804 | union { | |
1805 | uint64_t u; | |
1806 | float64 f; | |
1807 | } u; | |
1808 | float64 tmp; | |
1809 | ||
1810 | u.f = int32_to_float64(val, &env->spe_status); | |
1811 | tmp = int64_to_float64(1ULL << 32, &env->spe_status); | |
1812 | u.f = float64_div(u.f, tmp, &env->spe_status); | |
1813 | ||
1814 | return u.u; | |
1815 | } | |
1816 | ||
1817 | static inline uint64_t _do_efdcfuf (uint64_t val) | |
1818 | { | |
1819 | union { | |
1820 | uint64_t u; | |
1821 | float64 f; | |
1822 | } u; | |
1823 | float64 tmp; | |
1824 | ||
1825 | u.f = uint32_to_float64(val, &env->spe_status); | |
1826 | tmp = int64_to_float64(1ULL << 32, &env->spe_status); | |
1827 | u.f = float64_div(u.f, tmp, &env->spe_status); | |
1828 | ||
1829 | return u.u; | |
1830 | } | |
1831 | ||
1832 | static inline int64_t _do_efdctsf (uint64_t val) | |
1833 | { | |
1834 | union { | |
1835 | int64_t u; | |
1836 | float64 f; | |
1837 | } u; | |
1838 | float64 tmp; | |
1839 | ||
1840 | u.u = val; | |
1841 | /* NaN are not treated the same way IEEE 754 does */ | |
1842 | if (unlikely(isnan(u.f))) | |
1843 | return 0; | |
1844 | tmp = uint64_to_float64(1ULL << 32, &env->spe_status); | |
1845 | u.f = float64_mul(u.f, tmp, &env->spe_status); | |
1846 | ||
1847 | return float64_to_int32(u.f, &env->spe_status); | |
1848 | } | |
1849 | ||
1850 | static inline uint64_t _do_efdctuf (uint64_t val) | |
1851 | { | |
1852 | union { | |
1853 | int64_t u; | |
1854 | float64 f; | |
1855 | } u; | |
1856 | float64 tmp; | |
1857 | ||
1858 | u.u = val; | |
1859 | /* NaN are not treated the same way IEEE 754 does */ | |
1860 | if (unlikely(isnan(u.f))) | |
1861 | return 0; | |
1862 | tmp = uint64_to_float64(1ULL << 32, &env->spe_status); | |
1863 | u.f = float64_mul(u.f, tmp, &env->spe_status); | |
1864 | ||
1865 | return float64_to_uint32(u.f, &env->spe_status); | |
1866 | } | |
1867 | ||
1868 | static inline int64_t _do_efdctsfz (uint64_t val) | |
1869 | { | |
1870 | union { | |
1871 | int64_t u; | |
1872 | float64 f; | |
1873 | } u; | |
1874 | float64 tmp; | |
1875 | ||
1876 | u.u = val; | |
1877 | /* NaN are not treated the same way IEEE 754 does */ | |
1878 | if (unlikely(isnan(u.f))) | |
1879 | return 0; | |
1880 | tmp = uint64_to_float64(1ULL << 32, &env->spe_status); | |
1881 | u.f = float64_mul(u.f, tmp, &env->spe_status); | |
1882 | ||
1883 | return float64_to_int32_round_to_zero(u.f, &env->spe_status); | |
1884 | } | |
1885 | ||
1886 | static inline uint64_t _do_efdctufz (uint64_t val) | |
1887 | { | |
1888 | union { | |
1889 | int64_t u; | |
1890 | float64 f; | |
1891 | } u; | |
1892 | float64 tmp; | |
1893 | ||
1894 | u.u = val; | |
1895 | /* NaN are not treated the same way IEEE 754 does */ | |
1896 | if (unlikely(isnan(u.f))) | |
1897 | return 0; | |
1898 | tmp = uint64_to_float64(1ULL << 32, &env->spe_status); | |
1899 | u.f = float64_mul(u.f, tmp, &env->spe_status); | |
1900 | ||
1901 | return float64_to_uint32_round_to_zero(u.f, &env->spe_status); | |
1902 | } | |
1903 | ||
1904 | void do_efdcfsf (void) | |
1905 | { | |
1906 | T0_64 = _do_efdcfsf(T0_64); | |
1907 | } | |
1908 | ||
1909 | void do_efdcfuf (void) | |
1910 | { | |
1911 | T0_64 = _do_efdcfuf(T0_64); | |
1912 | } | |
1913 | ||
1914 | void do_efdctsf (void) | |
1915 | { | |
1916 | T0_64 = _do_efdctsf(T0_64); | |
1917 | } | |
1918 | ||
1919 | void do_efdctuf (void) | |
1920 | { | |
1921 | T0_64 = _do_efdctuf(T0_64); | |
1922 | } | |
1923 | ||
1924 | void do_efdctsfz (void) | |
1925 | { | |
1926 | T0_64 = _do_efdctsfz(T0_64); | |
1927 | } | |
1928 | ||
1929 | void do_efdctufz (void) | |
1930 | { | |
1931 | T0_64 = _do_efdctufz(T0_64); | |
1932 | } | |
1933 | ||
1934 | /* Floating point conversion between single and double precision */ | |
1935 | static inline uint32_t _do_efscfd (uint64_t val) | |
1936 | { | |
1937 | union { | |
1938 | uint64_t u; | |
1939 | float64 f; | |
1940 | } u1; | |
1941 | union { | |
1942 | uint32_t u; | |
1943 | float32 f; | |
1944 | } u2; | |
1945 | ||
1946 | u1.u = val; | |
1947 | u2.f = float64_to_float32(u1.f, &env->spe_status); | |
1948 | ||
1949 | return u2.u; | |
1950 | } | |
1951 | ||
1952 | static inline uint64_t _do_efdcfs (uint32_t val) | |
1953 | { | |
1954 | union { | |
1955 | uint64_t u; | |
1956 | float64 f; | |
1957 | } u2; | |
1958 | union { | |
1959 | uint32_t u; | |
1960 | float32 f; | |
1961 | } u1; | |
1962 | ||
1963 | u1.u = val; | |
1964 | u2.f = float32_to_float64(u1.f, &env->spe_status); | |
1965 | ||
1966 | return u2.u; | |
1967 | } | |
1968 | ||
1969 | void do_efscfd (void) | |
1970 | { | |
1971 | T0_64 = _do_efscfd(T0_64); | |
1972 | } | |
1973 | ||
1974 | void do_efdcfs (void) | |
1975 | { | |
1976 | T0_64 = _do_efdcfs(T0_64); | |
1977 | } | |
1978 | ||
1979 | /* Single precision fixed-point vector arithmetic */ | |
1980 | /* evfsabs */ | |
1981 | DO_SPE_OP1(fsabs); | |
1982 | /* evfsnabs */ | |
1983 | DO_SPE_OP1(fsnabs); | |
1984 | /* evfsneg */ | |
1985 | DO_SPE_OP1(fsneg); | |
1986 | /* evfsadd */ | |
1987 | DO_SPE_OP2(fsadd); | |
1988 | /* evfssub */ | |
1989 | DO_SPE_OP2(fssub); | |
1990 | /* evfsmul */ | |
1991 | DO_SPE_OP2(fsmul); | |
1992 | /* evfsdiv */ | |
1993 | DO_SPE_OP2(fsdiv); | |
1994 | ||
1995 | /* Single-precision floating-point comparisons */ | |
1996 | static inline int _do_efscmplt (uint32_t op1, uint32_t op2) | |
1997 | { | |
1998 | /* XXX: TODO: test special values (NaN, infinites, ...) */ | |
1999 | return _do_efststlt(op1, op2); | |
2000 | } | |
2001 | ||
2002 | static inline int _do_efscmpgt (uint32_t op1, uint32_t op2) | |
2003 | { | |
2004 | /* XXX: TODO: test special values (NaN, infinites, ...) */ | |
2005 | return _do_efststgt(op1, op2); | |
2006 | } | |
2007 | ||
2008 | static inline int _do_efscmpeq (uint32_t op1, uint32_t op2) | |
2009 | { | |
2010 | /* XXX: TODO: test special values (NaN, infinites, ...) */ | |
2011 | return _do_efststeq(op1, op2); | |
2012 | } | |
2013 | ||
2014 | void do_efscmplt (void) | |
2015 | { | |
2016 | T0 = _do_efscmplt(T0_64, T1_64); | |
2017 | } | |
2018 | ||
2019 | void do_efscmpgt (void) | |
2020 | { | |
2021 | T0 = _do_efscmpgt(T0_64, T1_64); | |
2022 | } | |
2023 | ||
2024 | void do_efscmpeq (void) | |
2025 | { | |
2026 | T0 = _do_efscmpeq(T0_64, T1_64); | |
2027 | } | |
2028 | ||
2029 | /* Single-precision floating-point vector comparisons */ | |
2030 | /* evfscmplt */ | |
2031 | DO_SPE_CMP(fscmplt); | |
2032 | /* evfscmpgt */ | |
2033 | DO_SPE_CMP(fscmpgt); | |
2034 | /* evfscmpeq */ | |
2035 | DO_SPE_CMP(fscmpeq); | |
2036 | /* evfststlt */ | |
2037 | DO_SPE_CMP(fststlt); | |
2038 | /* evfststgt */ | |
2039 | DO_SPE_CMP(fststgt); | |
2040 | /* evfststeq */ | |
2041 | DO_SPE_CMP(fststeq); | |
2042 | ||
2043 | /* Single-precision floating-point vector conversions */ | |
2044 | /* evfscfsi */ | |
2045 | DO_SPE_OP1(fscfsi); | |
2046 | /* evfscfui */ | |
2047 | DO_SPE_OP1(fscfui); | |
2048 | /* evfscfuf */ | |
2049 | DO_SPE_OP1(fscfuf); | |
2050 | /* evfscfsf */ | |
2051 | DO_SPE_OP1(fscfsf); | |
2052 | /* evfsctsi */ | |
2053 | DO_SPE_OP1(fsctsi); | |
2054 | /* evfsctui */ | |
2055 | DO_SPE_OP1(fsctui); | |
2056 | /* evfsctsiz */ | |
2057 | DO_SPE_OP1(fsctsiz); | |
2058 | /* evfsctuiz */ | |
2059 | DO_SPE_OP1(fsctuiz); | |
2060 | /* evfsctsf */ | |
2061 | DO_SPE_OP1(fsctsf); | |
2062 | /* evfsctuf */ | |
2063 | DO_SPE_OP1(fsctuf); | |
2064 | #endif /* defined(TARGET_PPCSPE) */ | |
2065 | ||
fdabc366 FB |
2066 | /*****************************************************************************/ |
2067 | /* Softmmu support */ | |
2068 | #if !defined (CONFIG_USER_ONLY) | |
2069 | ||
2070 | #define MMUSUFFIX _mmu | |
2071 | #define GETPC() (__builtin_return_address(0)) | |
2072 | ||
2073 | #define SHIFT 0 | |
2074 | #include "softmmu_template.h" | |
2075 | ||
2076 | #define SHIFT 1 | |
2077 | #include "softmmu_template.h" | |
2078 | ||
2079 | #define SHIFT 2 | |
2080 | #include "softmmu_template.h" | |
2081 | ||
2082 | #define SHIFT 3 | |
2083 | #include "softmmu_template.h" | |
2084 | ||
2085 | /* try to fill the TLB and return an exception if error. If retaddr is | |
2086 | NULL, it means that the function was called in C code (i.e. not | |
2087 | from generated code or from helper.c) */ | |
2088 | /* XXX: fix it to restore all registers */ | |
2089 | void tlb_fill (target_ulong addr, int is_write, int is_user, void *retaddr) | |
2090 | { | |
2091 | TranslationBlock *tb; | |
2092 | CPUState *saved_env; | |
2093 | target_phys_addr_t pc; | |
2094 | int ret; | |
2095 | ||
2096 | /* XXX: hack to restore env in all cases, even if not called from | |
2097 | generated code */ | |
2098 | saved_env = env; | |
2099 | env = cpu_single_env; | |
2100 | ret = cpu_ppc_handle_mmu_fault(env, addr, is_write, is_user, 1); | |
76a66253 | 2101 | if (unlikely(ret != 0)) { |
fdabc366 FB |
2102 | if (likely(retaddr)) { |
2103 | /* now we have a real cpu fault */ | |
2104 | pc = (target_phys_addr_t)retaddr; | |
2105 | tb = tb_find_pc(pc); | |
2106 | if (likely(tb)) { | |
2107 | /* the PC is inside the translated code. It means that we have | |
2108 | a virtual CPU fault */ | |
2109 | cpu_restore_state(tb, env, pc, NULL); | |
76a66253 | 2110 | } |
fdabc366 FB |
2111 | } |
2112 | do_raise_exception_err(env->exception_index, env->error_code); | |
2113 | } | |
2114 | env = saved_env; | |
9a64fbe4 FB |
2115 | } |
2116 | ||
76a66253 JM |
2117 | /* TLB invalidation helpers */ |
2118 | void do_tlbia (void) | |
2119 | { | |
2120 | if (unlikely(PPC_MMU(env) == PPC_FLAGS_MMU_SOFT_6xx)) { | |
2121 | ppc6xx_tlb_invalidate_all(env); | |
2122 | } else if (unlikely(PPC_MMU(env) == PPC_FLAGS_MMU_SOFT_4xx)) { | |
2123 | /* XXX: TODO */ | |
2124 | #if 0 | |
2125 | ppcbooke_tlb_invalidate_all(env); | |
2126 | #endif | |
2127 | } else { | |
2128 | tlb_flush(env, 1); | |
2129 | } | |
2130 | } | |
2131 | ||
2132 | void do_tlbie (void) | |
2133 | { | |
d9bce9d9 | 2134 | T0 = (uint32_t)T0; |
76a66253 JM |
2135 | #if !defined(FLUSH_ALL_TLBS) |
2136 | if (unlikely(PPC_MMU(env) == PPC_FLAGS_MMU_SOFT_6xx)) { | |
2137 | ppc6xx_tlb_invalidate_virt(env, T0 & TARGET_PAGE_MASK, 0); | |
2138 | if (env->id_tlbs == 1) | |
2139 | ppc6xx_tlb_invalidate_virt(env, T0 & TARGET_PAGE_MASK, 1); | |
2140 | } else if (unlikely(PPC_MMU(env) == PPC_FLAGS_MMU_SOFT_4xx)) { | |
2141 | /* XXX: TODO */ | |
2142 | #if 0 | |
2143 | ppcbooke_tlb_invalidate_virt(env, T0 & TARGET_PAGE_MASK, | |
2144 | env->spr[SPR_BOOKE_PID]); | |
2145 | #endif | |
2146 | } else { | |
2147 | /* tlbie invalidate TLBs for all segments */ | |
2148 | T0 &= TARGET_PAGE_MASK; | |
2149 | T0 &= ~((target_ulong)-1 << 28); | |
2150 | /* XXX: this case should be optimized, | |
2151 | * giving a mask to tlb_flush_page | |
2152 | */ | |
2153 | tlb_flush_page(env, T0 | (0x0 << 28)); | |
2154 | tlb_flush_page(env, T0 | (0x1 << 28)); | |
2155 | tlb_flush_page(env, T0 | (0x2 << 28)); | |
2156 | tlb_flush_page(env, T0 | (0x3 << 28)); | |
2157 | tlb_flush_page(env, T0 | (0x4 << 28)); | |
2158 | tlb_flush_page(env, T0 | (0x5 << 28)); | |
2159 | tlb_flush_page(env, T0 | (0x6 << 28)); | |
2160 | tlb_flush_page(env, T0 | (0x7 << 28)); | |
2161 | tlb_flush_page(env, T0 | (0x8 << 28)); | |
2162 | tlb_flush_page(env, T0 | (0x9 << 28)); | |
2163 | tlb_flush_page(env, T0 | (0xA << 28)); | |
2164 | tlb_flush_page(env, T0 | (0xB << 28)); | |
2165 | tlb_flush_page(env, T0 | (0xC << 28)); | |
2166 | tlb_flush_page(env, T0 | (0xD << 28)); | |
2167 | tlb_flush_page(env, T0 | (0xE << 28)); | |
2168 | tlb_flush_page(env, T0 | (0xF << 28)); | |
2169 | } | |
2170 | #else | |
2171 | do_tlbia(); | |
2172 | #endif | |
2173 | } | |
2174 | ||
d9bce9d9 JM |
2175 | #if defined(TARGET_PPC64) |
2176 | void do_tlbie_64 (void) | |
2177 | { | |
2178 | T0 = (uint64_t)T0; | |
2179 | #if !defined(FLUSH_ALL_TLBS) | |
2180 | if (unlikely(PPC_MMU(env) == PPC_FLAGS_MMU_SOFT_6xx)) { | |
2181 | ppc6xx_tlb_invalidate_virt(env, T0 & TARGET_PAGE_MASK, 0); | |
2182 | if (env->id_tlbs == 1) | |
2183 | ppc6xx_tlb_invalidate_virt(env, T0 & TARGET_PAGE_MASK, 1); | |
2184 | } else if (unlikely(PPC_MMU(env) == PPC_FLAGS_MMU_SOFT_4xx)) { | |
2185 | /* XXX: TODO */ | |
2186 | #if 0 | |
2187 | ppcbooke_tlb_invalidate_virt(env, T0 & TARGET_PAGE_MASK, | |
2188 | env->spr[SPR_BOOKE_PID]); | |
2189 | #endif | |
2190 | } else { | |
2191 | /* tlbie invalidate TLBs for all segments | |
2192 | * As we have 2^36 segments, invalidate all qemu TLBs | |
2193 | */ | |
2194 | #if 0 | |
2195 | T0 &= TARGET_PAGE_MASK; | |
2196 | T0 &= ~((target_ulong)-1 << 28); | |
2197 | /* XXX: this case should be optimized, | |
2198 | * giving a mask to tlb_flush_page | |
2199 | */ | |
2200 | tlb_flush_page(env, T0 | (0x0 << 28)); | |
2201 | tlb_flush_page(env, T0 | (0x1 << 28)); | |
2202 | tlb_flush_page(env, T0 | (0x2 << 28)); | |
2203 | tlb_flush_page(env, T0 | (0x3 << 28)); | |
2204 | tlb_flush_page(env, T0 | (0x4 << 28)); | |
2205 | tlb_flush_page(env, T0 | (0x5 << 28)); | |
2206 | tlb_flush_page(env, T0 | (0x6 << 28)); | |
2207 | tlb_flush_page(env, T0 | (0x7 << 28)); | |
2208 | tlb_flush_page(env, T0 | (0x8 << 28)); | |
2209 | tlb_flush_page(env, T0 | (0x9 << 28)); | |
2210 | tlb_flush_page(env, T0 | (0xA << 28)); | |
2211 | tlb_flush_page(env, T0 | (0xB << 28)); | |
2212 | tlb_flush_page(env, T0 | (0xC << 28)); | |
2213 | tlb_flush_page(env, T0 | (0xD << 28)); | |
2214 | tlb_flush_page(env, T0 | (0xE << 28)); | |
2215 | tlb_flush_page(env, T0 | (0xF << 28)); | |
2216 | #else | |
2217 | tlb_flush(env, 1); | |
2218 | #endif | |
2219 | } | |
2220 | #else | |
2221 | do_tlbia(); | |
2222 | #endif | |
2223 | } | |
2224 | #endif | |
2225 | ||
2226 | #if defined(TARGET_PPC64) | |
2227 | void do_slbia (void) | |
2228 | { | |
2229 | /* XXX: TODO */ | |
2230 | tlb_flush(env, 1); | |
2231 | } | |
2232 | ||
2233 | void do_slbie (void) | |
2234 | { | |
2235 | /* XXX: TODO */ | |
2236 | tlb_flush(env, 1); | |
2237 | } | |
2238 | #endif | |
2239 | ||
76a66253 JM |
2240 | /* Software driven TLBs management */ |
2241 | /* PowerPC 602/603 software TLB load instructions helpers */ | |
2242 | void do_load_6xx_tlb (int is_code) | |
2243 | { | |
2244 | target_ulong RPN, CMP, EPN; | |
2245 | int way; | |
d9bce9d9 | 2246 | |
76a66253 JM |
2247 | RPN = env->spr[SPR_RPA]; |
2248 | if (is_code) { | |
2249 | CMP = env->spr[SPR_ICMP]; | |
2250 | EPN = env->spr[SPR_IMISS]; | |
2251 | } else { | |
2252 | CMP = env->spr[SPR_DCMP]; | |
2253 | EPN = env->spr[SPR_DMISS]; | |
2254 | } | |
2255 | way = (env->spr[SPR_SRR1] >> 17) & 1; | |
2256 | #if defined (DEBUG_SOFTWARE_TLB) | |
2257 | if (loglevel != 0) { | |
2258 | fprintf(logfile, "%s: EPN %08lx %08lx PTE0 %08lx PTE1 %08lx way %d\n", | |
2259 | __func__, (unsigned long)T0, (unsigned long)EPN, | |
2260 | (unsigned long)CMP, (unsigned long)RPN, way); | |
2261 | } | |
2262 | #endif | |
2263 | /* Store this TLB */ | |
d9bce9d9 JM |
2264 | ppc6xx_tlb_store(env, (uint32_t)(T0 & TARGET_PAGE_MASK), |
2265 | way, is_code, CMP, RPN); | |
76a66253 JM |
2266 | } |
2267 | ||
2268 | /* Helpers for 4xx TLB management */ | |
2269 | void do_4xx_tlbia (void) | |
2270 | { | |
2271 | #if 0 | |
2272 | ppc_tlb_t *tlb; | |
2273 | target_ulong page, end; | |
2274 | int i; | |
2275 | ||
2276 | for (i = 0; i < 64; i++) { | |
2277 | tlb = &env->tlb[i]; | |
2278 | if (tlb->prot & PAGE_VALID) { | |
2279 | end = tlb->EPN + tlb->size; | |
2280 | for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE) | |
2281 | tlb_flush_page(env, page); | |
2282 | tlb->prot &= ~PAGE_VALID; | |
2283 | } | |
2284 | } | |
2285 | #endif | |
2286 | } | |
2287 | ||
2288 | void do_4xx_tlbre_lo (void) | |
2289 | { | |
2290 | #if 0 | |
2291 | ppc_tlb_t *tlb; | |
2292 | ||
2293 | T0 &= 0x3F; | |
2294 | tlb = &env->tlb[T0]; | |
2295 | T0 = tlb->stor[0]; | |
2296 | env->spr[SPR_40x_PID] = tlb->pid; | |
2297 | #endif | |
2298 | } | |
2299 | ||
2300 | void do_4xx_tlbre_hi (void) | |
2301 | { | |
2302 | #if 0 | |
2303 | ppc_tlb_t *tlb; | |
2304 | ||
2305 | T0 &= 0x3F; | |
2306 | tlb = &env->tlb[T0]; | |
2307 | T0 = tlb->stor[1]; | |
2308 | #endif | |
2309 | } | |
2310 | ||
2311 | static int tlb_4xx_search (target_ulong virtual) | |
2312 | { | |
2313 | #if 0 | |
2314 | ppc_tlb_t *tlb; | |
2315 | target_ulong base, mask; | |
2316 | int i, ret; | |
2317 | ||
2318 | /* Default return value is no match */ | |
2319 | ret = -1; | |
2320 | for (i = 0; i < 64; i++) { | |
2321 | tlb = &env->tlb[i]; | |
2322 | /* Check TLB validity */ | |
2323 | if (!(tlb->prot & PAGE_VALID)) | |
2324 | continue; | |
2325 | /* Check TLB PID vs current PID */ | |
2326 | if (tlb->pid != 0 && tlb->pid != env->spr[SPR_40x_PID]) | |
2327 | continue; | |
2328 | /* Check TLB address vs virtual address */ | |
2329 | base = tlb->EPN; | |
2330 | mask = ~(tlb->size - 1); | |
2331 | if ((base & mask) != (virtual & mask)) | |
2332 | continue; | |
2333 | ret = i; | |
2334 | break; | |
2335 | } | |
2336 | ||
2337 | return ret; | |
2338 | #else | |
2339 | return -1; | |
2340 | #endif | |
2341 | } | |
2342 | ||
2343 | void do_4xx_tlbsx (void) | |
2344 | { | |
2345 | T0 = tlb_4xx_search(T0); | |
2346 | } | |
2347 | ||
2348 | void do_4xx_tlbsx_ (void) | |
2349 | { | |
2350 | int tmp = xer_ov; | |
2351 | ||
2352 | T0 = tlb_4xx_search(T0); | |
2353 | if (T0 != -1) | |
2354 | tmp |= 0x02; | |
2355 | env->crf[0] = tmp; | |
2356 | } | |
2357 | ||
2358 | void do_4xx_tlbwe_lo (void) | |
2359 | { | |
2360 | #if 0 | |
2361 | ppc_tlb_t *tlb; | |
2362 | target_ulong page, end; | |
2363 | ||
2364 | T0 &= 0x3F; | |
2365 | tlb = &env->tlb[T0]; | |
2366 | /* Invalidate previous TLB (if it's valid) */ | |
2367 | if (tlb->prot & PAGE_VALID) { | |
2368 | end = tlb->EPN + tlb->size; | |
2369 | for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE) | |
2370 | tlb_flush_page(env, page); | |
2371 | } | |
2372 | tlb->size = 1024 << (2 * ((T1 >> 7) & 0x7)); | |
2373 | tlb->EPN = (T1 & 0xFFFFFC00) & ~(tlb->size - 1); | |
2374 | if (T1 & 0x400) | |
2375 | tlb->prot |= PAGE_VALID; | |
2376 | else | |
2377 | tlb->prot &= ~PAGE_VALID; | |
2378 | tlb->pid = env->spr[SPR_BOOKE_PID]; /* PID */ | |
2379 | /* Invalidate new TLB (if valid) */ | |
2380 | if (tlb->prot & PAGE_VALID) { | |
2381 | end = tlb->EPN + tlb->size; | |
2382 | for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE) | |
2383 | tlb_flush_page(env, page); | |
2384 | } | |
2385 | #endif | |
2386 | } | |
2387 | ||
2388 | void do_4xx_tlbwe_hi (void) | |
2389 | { | |
2390 | #if 0 | |
2391 | ppc_tlb_t *tlb; | |
2392 | ||
2393 | T0 &= 0x3F; | |
2394 | tlb = &env->tlb[T0]; | |
2395 | tlb->RPN = T1 & 0xFFFFFC00; | |
2396 | tlb->prot = PAGE_READ; | |
2397 | if (T1 & 0x200) | |
2398 | tlb->prot |= PAGE_EXEC; | |
2399 | if (T1 & 0x100) | |
2400 | tlb->prot |= PAGE_WRITE; | |
2401 | #endif | |
2402 | } | |
2403 | #endif /* !CONFIG_USER_ONLY */ |