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[mirror_qemu.git] / target-ppc / op_helper.h
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76a66253
JM		 1/*
2 * PowerPC emulation helpers header for qemu.
5fafdf24 3 *
76a66253
JM		 4 * Copyright (c) 2003-2007 Jocelyn Mayer
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#if defined(MEMSUFFIX)
22
23/* Memory load/store helpers */
24void glue(do_lsw, MEMSUFFIX) (int dst);
25void glue(do_lsw_le, MEMSUFFIX) (int dst);
26void glue(do_stsw, MEMSUFFIX) (int src);
27void glue(do_stsw_le, MEMSUFFIX) (int src);
28void glue(do_lmw, MEMSUFFIX) (int dst);
29void glue(do_lmw_le, MEMSUFFIX) (int dst);
30void glue(do_stmw, MEMSUFFIX) (int src);
31void glue(do_stmw_le, MEMSUFFIX) (int src);
36f69651 32void glue(do_icbi, MEMSUFFIX) (void);
76a66253
JM		 33void glue(do_POWER_lscbx, MEMSUFFIX) (int dest, int ra, int rb);
34void glue(do_POWER2_lfq, MEMSUFFIX) (void);
35void glue(do_POWER2_lfq_le, MEMSUFFIX) (void);
36void glue(do_POWER2_stfq, MEMSUFFIX) (void);
37void glue(do_POWER2_stfq_le, MEMSUFFIX) (void);
38
d9bce9d9
JM		 39#if defined(TARGET_PPC64)
40void glue(do_lsw_64, MEMSUFFIX) (int dst);
41void glue(do_lsw_le_64, MEMSUFFIX) (int dst);
42void glue(do_stsw_64, MEMSUFFIX) (int src);
43void glue(do_stsw_le_64, MEMSUFFIX) (int src);
44void glue(do_lmw_64, MEMSUFFIX) (int dst);
45void glue(do_lmw_le_64, MEMSUFFIX) (int dst);
46void glue(do_stmw_64, MEMSUFFIX) (int src);
47void glue(do_stmw_le_64, MEMSUFFIX) (int src);
36f69651 48void glue(do_icbi_64, MEMSUFFIX) (void);
d9bce9d9
JM		 49#endif
50
76a66253
JM		 51#else
52
a496775f
JM		 53void do_print_mem_EA (target_ulong EA);
54
76a66253
JM		 55/* Registers load and stores */
56void do_load_cr (void);
57void do_store_cr (uint32_t mask);
58void do_load_xer (void);
59void do_store_xer (void);
60void do_load_fpscr (void);
61void do_store_fpscr (uint32_t mask);
a496775f
JM		 62target_ulong ppc_load_dump_spr (int sprn);
63void ppc_store_dump_spr (int sprn, target_ulong val);
76a66253
JM		 64
65/* Integer arithmetic helpers */
76a66253 66void do_adde (void);
76a66253 67void do_addmeo (void);
76a66253
JM		 68void do_divwo (void);
69void do_divwuo (void);
70void do_mullwo (void);
71void do_nego (void);
76a66253 72void do_subfe (void);
76a66253
JM		 73void do_subfmeo (void);
74void do_subfzeo (void);
d9bce9d9
JM		 75void do_sraw (void);
76#if defined(TARGET_PPC64)
77void do_adde_64 (void);
78void do_addmeo_64 (void);
79void do_imul64 (uint64_t *tl, uint64_t *th);
80void do_mul64 (uint64_t *tl, uint64_t *th);
81void do_divdo (void);
82void do_divduo (void);
83void do_mulldo (void);
84void do_nego_64 (void);
85void do_subfe_64 (void);
86void do_subfmeo_64 (void);
87void do_subfzeo_64 (void);
88void do_srad (void);
89#endif
90void do_popcntb (void);
91#if defined(TARGET_PPC64)
92void do_popcntb_64 (void);
93#endif
76a66253
JM		 94
95/* Floating-point arithmetic helpers */
96void do_fsqrt (void);
97void do_fres (void);
98void do_frsqrte (void);
99void do_fsel (void);
e864cabd
JM		 100#if USE_PRECISE_EMULATION
101void do_fmadd (void);
102void do_fmsub (void);
103#endif
76a66253
JM		 104void do_fnmadd (void);
105void do_fnmsub (void);
106void do_fctiw (void);
107void do_fctiwz (void);
426613db
JM		 108#if defined(TARGET_PPC64)
109void do_fcfid (void);
110void do_fctid (void);
111void do_fctidz (void);
112#endif
76a66253
JM		 113void do_fcmpu (void);
114void do_fcmpo (void);
115
0487d6a8 116/* Misc */
76a66253 117void do_tw (int flags);
d9bce9d9
JM		 118#if defined(TARGET_PPC64)
119void do_td (int flags);
120#endif
76a66253
JM		 121#if !defined(CONFIG_USER_ONLY)
122void do_rfi (void);
d9bce9d9 123#if defined(TARGET_PPC64)
426613db 124void do_rfid (void);
d9bce9d9 125#endif
76a66253
JM		 126void do_tlbia (void);
127void do_tlbie (void);
d9bce9d9
JM		 128#if defined(TARGET_PPC64)
129void do_tlbie_64 (void);
130#endif
76a66253 131void do_load_6xx_tlb (int is_code);
d9bce9d9
JM		 132#if defined(TARGET_PPC64)
133void do_slbia (void);
134void do_slbie (void);
135#endif
76a66253
JM		 136#endif
137
138/* POWER / PowerPC 601 specific helpers */
139void do_store_601_batu (int nr);
140void do_POWER_abso (void);
141void do_POWER_clcs (void);
142void do_POWER_div (void);
143void do_POWER_divo (void);
144void do_POWER_divs (void);
145void do_POWER_divso (void);
146void do_POWER_dozo (void);
147void do_POWER_maskg (void);
148void do_POWER_mulo (void);
149#if !defined(CONFIG_USER_ONLY)
150void do_POWER_rac (void);
151void do_POWER_rfsvc (void);
152#endif
153
154/* PowerPC 602 specific helper */
155#if !defined(CONFIG_USER_ONLY)
156void do_op_602_mfrom (void);
157#endif
158
159/* PowerPC 4xx specific helpers */
160void do_405_check_ov (void);
161void do_405_check_sat (void);
162#if !defined(CONFIG_USER_ONLY)
a42bd6cc
JM		 163void do_load_dcr (void);
164void do_store_dcr (void);
165void do_40x_rfci (void);
166void do_rfci (void);
167void do_rfdi (void);
168void do_rfmci (void);
76a66253
JM		 169void do_4xx_tlbre_lo (void);
170void do_4xx_tlbre_hi (void);
171void do_4xx_tlbsx (void);
172void do_4xx_tlbsx_ (void);
173void do_4xx_tlbwe_lo (void);
174void do_4xx_tlbwe_hi (void);
175#endif
176
0487d6a8 177/* PowerPC 440 specific helpers */
76a66253
JM		 178void do_440_dlmzb (void);
179
0487d6a8 180/* PowerPC 403 specific helpers */
76a66253
JM		 181#if !defined(CONFIG_USER_ONLY)
182void do_load_403_pb (int num);
183void do_store_403_pb (int num);
184#endif
185
35cdaad6 186#if defined(TARGET_PPCEMB)
0487d6a8
JM		 187/* SPE extension helpers */
188void do_brinc (void);
189/* Fixed-point vector helpers */
190void do_evabs (void);
191void do_evaddw (void);
192void do_evcntlsw (void);
193void do_evcntlzw (void);
194void do_evneg (void);
195void do_evrlw (void);
196void do_evsel (void);
197void do_evrndw (void);
198void do_evslw (void);
199void do_evsrws (void);
200void do_evsrwu (void);
201void do_evsubfw (void);
202void do_evcmpeq (void);
203void do_evcmpgts (void);
204void do_evcmpgtu (void);
205void do_evcmplts (void);
206void do_evcmpltu (void);
207
208/* Single precision floating-point helpers */
209void do_efscmplt (void);
210void do_efscmpgt (void);
211void do_efscmpeq (void);
212void do_efscfsf (void);
213void do_efscfuf (void);
214void do_efsctsf (void);
215void do_efsctuf (void);
216
217void do_efscfsi (void);
218void do_efscfui (void);
219void do_efsctsi (void);
220void do_efsctui (void);
221void do_efsctsiz (void);
222void do_efsctuiz (void);
223
224/* Double precision floating-point helpers */
225void do_efdcmplt (void);
226void do_efdcmpgt (void);
227void do_efdcmpeq (void);
228void do_efdcfsf (void);
229void do_efdcfuf (void);
230void do_efdctsf (void);
231void do_efdctuf (void);
232
233void do_efdcfsi (void);
234void do_efdcfui (void);
235void do_efdctsi (void);
236void do_efdctui (void);
237void do_efdctsiz (void);
238void do_efdctuiz (void);
239
240void do_efdcfs (void);
241void do_efscfd (void);
242
243/* Floating-point vector helpers */
244void do_evfsabs (void);
245void do_evfsnabs (void);
246void do_evfsneg (void);
247void do_evfsadd (void);
248void do_evfssub (void);
249void do_evfsmul (void);
250void do_evfsdiv (void);
251void do_evfscmplt (void);
252void do_evfscmpgt (void);
253void do_evfscmpeq (void);
254void do_evfststlt (void);
255void do_evfststgt (void);
256void do_evfststeq (void);
257void do_evfscfsi (void);
258void do_evfscfui (void);
259void do_evfscfsf (void);
260void do_evfscfuf (void);
261void do_evfsctsf (void);
262void do_evfsctuf (void);
263void do_evfsctsi (void);
264void do_evfsctui (void);
265void do_evfsctsiz (void);
266void do_evfsctuiz (void);
35cdaad6 267#endif /* defined(TARGET_PPCEMB) */
0487d6a8
JM		 268
269/* Inlined helpers: used in micro-operation as well as helpers */
270/* Generic fixed-point helpers */
271static inline int _do_cntlzw (uint32_t val)
272{
273 int cnt = 0;
274 if (!(val & 0xFFFF0000UL)) {
275 cnt += 16;
276 val <<= 16;
277 }
278 if (!(val & 0xFF000000UL)) {
279 cnt += 8;
280 val <<= 8;
281 }
282 if (!(val & 0xF0000000UL)) {
283 cnt += 4;
284 val <<= 4;
285 }
286 if (!(val & 0xC0000000UL)) {
287 cnt += 2;
288 val <<= 2;
289 }
290 if (!(val & 0x80000000UL)) {
291 cnt++;
292 val <<= 1;
293 }
294 if (!(val & 0x80000000UL)) {
295 cnt++;
296 }
297 return cnt;
298}
299
300static inline int _do_cntlzd (uint64_t val)
301{
302 int cnt = 0;
303#if HOST_LONG_BITS == 64
304 if (!(val & 0xFFFFFFFF00000000ULL)) {
305 cnt += 32;
306 val <<= 32;
307 }
308 if (!(val & 0xFFFF000000000000ULL)) {
309 cnt += 16;
310 val <<= 16;
311 }
312 if (!(val & 0xFF00000000000000ULL)) {
313 cnt += 8;
314 val <<= 8;
315 }
316 if (!(val & 0xF000000000000000ULL)) {
317 cnt += 4;
318 val <<= 4;
319 }
320 if (!(val & 0xC000000000000000ULL)) {
321 cnt += 2;
322 val <<= 2;
323 }
324 if (!(val & 0x8000000000000000ULL)) {
325 cnt++;
326 val <<= 1;
327 }
328 if (!(val & 0x8000000000000000ULL)) {
329 cnt++;
330 }
331#else
0487d6a8
JM		 332 /* Make it easier on 32 bits host machines */
333 if (!(val >> 32))
1698b741 334 cnt = _do_cntlzw(val) + 32;
0487d6a8 335 else
1698b741 336 cnt = _do_cntlzw(val >> 32);
0487d6a8
JM		 337#endif
338 return cnt;
339}
340
35cdaad6 341#if defined(TARGET_PPCEMB)
0487d6a8
JM		 342/* SPE extension */
343/* Single precision floating-point helpers */
344static inline uint32_t _do_efsabs (uint32_t val)
345{
346 return val & ~0x80000000;
347}
348static inline uint32_t _do_efsnabs (uint32_t val)
349{
350 return val | 0x80000000;
351}
352static inline uint32_t _do_efsneg (uint32_t val)
353{
354 return val ^ 0x80000000;
355}
356static inline uint32_t _do_efsadd (uint32_t op1, uint32_t op2)
357{
358 union {
359 uint32_t u;
360 float32 f;
361 } u1, u2;
362 u1.u = op1;
363 u2.u = op2;
364 u1.f = float32_add(u1.f, u2.f, &env->spe_status);
365 return u1.u;
366}
367static inline uint32_t _do_efssub (uint32_t op1, uint32_t op2)
368{
369 union {
370 uint32_t u;
371 float32 f;
372 } u1, u2;
373 u1.u = op1;
374 u2.u = op2;
375 u1.f = float32_sub(u1.f, u2.f, &env->spe_status);
376 return u1.u;
377}
378static inline uint32_t _do_efsmul (uint32_t op1, uint32_t op2)
379{
380 union {
381 uint32_t u;
382 float32 f;
383 } u1, u2;
384 u1.u = op1;
385 u2.u = op2;
386 u1.f = float32_mul(u1.f, u2.f, &env->spe_status);
387 return u1.u;
388}
389static inline uint32_t _do_efsdiv (uint32_t op1, uint32_t op2)
390{
391 union {
392 uint32_t u;
393 float32 f;
394 } u1, u2;
395 u1.u = op1;
396 u2.u = op2;
397 u1.f = float32_div(u1.f, u2.f, &env->spe_status);
398 return u1.u;
399}
400
401static inline int _do_efststlt (uint32_t op1, uint32_t op2)
402{
403 union {
404 uint32_t u;
405 float32 f;
406 } u1, u2;
407 u1.u = op1;
408 u2.u = op2;
409 return float32_lt(u1.f, u2.f, &env->spe_status) ? 1 : 0;
410}
411static inline int _do_efststgt (uint32_t op1, uint32_t op2)
412{
413 union {
414 uint32_t u;
415 float32 f;
416 } u1, u2;
417 u1.u = op1;
418 u2.u = op2;
419 return float32_le(u1.f, u2.f, &env->spe_status) ? 0 : 1;
420}
421static inline int _do_efststeq (uint32_t op1, uint32_t op2)
422{
423 union {
424 uint32_t u;
425 float32 f;
426 } u1, u2;
427 u1.u = op1;
428 u2.u = op2;
429 return float32_eq(u1.f, u2.f, &env->spe_status) ? 1 : 0;
430}
431/* Double precision floating-point helpers */
432static inline int _do_efdtstlt (uint64_t op1, uint64_t op2)
433{
434 union {
435 uint64_t u;
436 float64 f;
437 } u1, u2;
438 u1.u = op1;
439 u2.u = op2;
440 return float64_lt(u1.f, u2.f, &env->spe_status) ? 1 : 0;
441}
442static inline int _do_efdtstgt (uint64_t op1, uint64_t op2)
443{
444 union {
445 uint64_t u;
446 float64 f;
447 } u1, u2;
448 u1.u = op1;
449 u2.u = op2;
450 return float64_le(u1.f, u2.f, &env->spe_status) ? 0 : 1;
451}
452static inline int _do_efdtsteq (uint64_t op1, uint64_t op2)
453{
454 union {
455 uint64_t u;
456 float64 f;
457 } u1, u2;
458 u1.u = op1;
459 u2.u = op2;
460 return float64_eq(u1.f, u2.f, &env->spe_status) ? 1 : 0;
461}
35cdaad6 462#endif /* defined(TARGET_PPCEMB) */
76a66253 463#endif
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