2 * PowerPC emulation helpers header for qemu.
4 * Copyright (c) 2003-2007 Jocelyn Mayer
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.
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.
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
21 #if defined(MEMSUFFIX)
23 /* Memory load/store helpers */
24 void glue(do_lsw, MEMSUFFIX) (int dst);
25 void glue(do_lsw_le, MEMSUFFIX) (int dst);
26 void glue(do_stsw, MEMSUFFIX) (int src);
27 void glue(do_stsw_le, MEMSUFFIX) (int src);
28 void glue(do_lmw, MEMSUFFIX) (int dst);
29 void glue(do_lmw_le, MEMSUFFIX) (int dst);
30 void glue(do_stmw, MEMSUFFIX) (int src);
31 void glue(do_stmw_le, MEMSUFFIX) (int src);
32 void glue(do_icbi, MEMSUFFIX) (void);
33 void glue(do_POWER_lscbx, MEMSUFFIX) (int dest, int ra, int rb);
34 void glue(do_POWER2_lfq, MEMSUFFIX) (void);
35 void glue(do_POWER2_lfq_le, MEMSUFFIX) (void);
36 void glue(do_POWER2_stfq, MEMSUFFIX) (void);
37 void glue(do_POWER2_stfq_le, MEMSUFFIX) (void);
39 #if defined(TARGET_PPC64)
40 void glue(do_lsw_64, MEMSUFFIX) (int dst);
41 void glue(do_lsw_le_64, MEMSUFFIX) (int dst);
42 void glue(do_stsw_64, MEMSUFFIX) (int src);
43 void glue(do_stsw_le_64, MEMSUFFIX) (int src);
44 void glue(do_lmw_64, MEMSUFFIX) (int dst);
45 void glue(do_lmw_le_64, MEMSUFFIX) (int dst);
46 void glue(do_stmw_64, MEMSUFFIX) (int src);
47 void glue(do_stmw_le_64, MEMSUFFIX) (int src);
48 void glue(do_icbi_64, MEMSUFFIX) (void);
53 /* Registers load and stores */
54 void do_load_cr (void);
55 void do_store_cr (uint32_t mask);
56 void do_load_xer (void);
57 void do_store_xer (void);
58 void do_load_fpscr (void);
59 void do_store_fpscr (uint32_t mask);
61 /* Integer arithmetic helpers */
63 void do_addmeo (void);
65 void do_divwuo (void);
66 void do_mullwo (void);
69 void do_subfmeo (void);
70 void do_subfzeo (void);
72 #if defined(TARGET_PPC64)
73 void do_adde_64 (void);
74 void do_addmeo_64 (void);
75 void do_imul64 (uint64_t *tl, uint64_t *th);
76 void do_mul64 (uint64_t *tl, uint64_t *th);
78 void do_divduo (void);
79 void do_mulldo (void);
80 void do_nego_64 (void);
81 void do_subfe_64 (void);
82 void do_subfmeo_64 (void);
83 void do_subfzeo_64 (void);
86 void do_popcntb (void);
87 #if defined(TARGET_PPC64)
88 void do_popcntb_64 (void);
91 /* Floating-point arithmetic helpers */
94 void do_frsqrte (void);
96 #if USE_PRECISE_EMULATION
100 void do_fnmadd (void);
101 void do_fnmsub (void);
102 void do_fctiw (void);
103 void do_fctiwz (void);
104 #if defined(TARGET_PPC64)
105 void do_fcfid (void);
106 void do_fctid (void);
107 void do_fctidz (void);
109 void do_fcmpu (void);
110 void do_fcmpo (void);
113 void do_tw (int flags);
114 #if defined(TARGET_PPC64)
115 void do_td (int flags);
117 #if !defined(CONFIG_USER_ONLY)
119 #if defined(TARGET_PPC64)
122 void do_tlbia (void);
123 void do_tlbie (void);
124 #if defined(TARGET_PPC64)
125 void do_tlbie_64 (void);
127 void do_load_6xx_tlb (int is_code);
128 #if defined(TARGET_PPC64)
129 void do_slbia (void);
130 void do_slbie (void);
134 /* POWER / PowerPC 601 specific helpers */
135 void do_store_601_batu (int nr);
136 void do_POWER_abso (void);
137 void do_POWER_clcs (void);
138 void do_POWER_div (void);
139 void do_POWER_divo (void);
140 void do_POWER_divs (void);
141 void do_POWER_divso (void);
142 void do_POWER_dozo (void);
143 void do_POWER_maskg (void);
144 void do_POWER_mulo (void);
145 #if !defined(CONFIG_USER_ONLY)
146 void do_POWER_rac (void);
147 void do_POWER_rfsvc (void);
150 /* PowerPC 602 specific helper */
151 #if !defined(CONFIG_USER_ONLY)
152 void do_op_602_mfrom (void);
155 /* PowerPC 4xx specific helpers */
156 void do_405_check_ov (void);
157 void do_405_check_sat (void);
158 #if !defined(CONFIG_USER_ONLY)
159 void do_load_dcr (void);
160 void do_store_dcr (void);
161 void do_40x_rfci (void);
164 void do_rfmci (void);
165 void do_4xx_tlbre_lo (void);
166 void do_4xx_tlbre_hi (void);
167 void do_4xx_tlbsx (void);
168 void do_4xx_tlbsx_ (void);
169 void do_4xx_tlbwe_lo (void);
170 void do_4xx_tlbwe_hi (void);
173 /* PowerPC 440 specific helpers */
174 void do_440_dlmzb (void);
176 /* PowerPC 403 specific helpers */
177 #if !defined(CONFIG_USER_ONLY)
178 void do_load_403_pb (int num);
179 void do_store_403_pb (int num);
182 #if defined(TARGET_PPCSPE)
183 /* SPE extension helpers */
184 void do_brinc (void);
185 /* Fixed-point vector helpers */
186 void do_evabs (void);
187 void do_evaddw (void);
188 void do_evcntlsw (void);
189 void do_evcntlzw (void);
190 void do_evneg (void);
191 void do_evrlw (void);
192 void do_evsel (void);
193 void do_evrndw (void);
194 void do_evslw (void);
195 void do_evsrws (void);
196 void do_evsrwu (void);
197 void do_evsubfw (void);
198 void do_evcmpeq (void);
199 void do_evcmpgts (void);
200 void do_evcmpgtu (void);
201 void do_evcmplts (void);
202 void do_evcmpltu (void);
204 /* Single precision floating-point helpers */
205 void do_efscmplt (void);
206 void do_efscmpgt (void);
207 void do_efscmpeq (void);
208 void do_efscfsf (void);
209 void do_efscfuf (void);
210 void do_efsctsf (void);
211 void do_efsctuf (void);
213 void do_efscfsi (void);
214 void do_efscfui (void);
215 void do_efsctsi (void);
216 void do_efsctui (void);
217 void do_efsctsiz (void);
218 void do_efsctuiz (void);
220 /* Double precision floating-point helpers */
221 void do_efdcmplt (void);
222 void do_efdcmpgt (void);
223 void do_efdcmpeq (void);
224 void do_efdcfsf (void);
225 void do_efdcfuf (void);
226 void do_efdctsf (void);
227 void do_efdctuf (void);
229 void do_efdcfsi (void);
230 void do_efdcfui (void);
231 void do_efdctsi (void);
232 void do_efdctui (void);
233 void do_efdctsiz (void);
234 void do_efdctuiz (void);
236 void do_efdcfs (void);
237 void do_efscfd (void);
239 /* Floating-point vector helpers */
240 void do_evfsabs (void);
241 void do_evfsnabs (void);
242 void do_evfsneg (void);
243 void do_evfsadd (void);
244 void do_evfssub (void);
245 void do_evfsmul (void);
246 void do_evfsdiv (void);
247 void do_evfscmplt (void);
248 void do_evfscmpgt (void);
249 void do_evfscmpeq (void);
250 void do_evfststlt (void);
251 void do_evfststgt (void);
252 void do_evfststeq (void);
253 void do_evfscfsi (void);
254 void do_evfscfui (void);
255 void do_evfscfsf (void);
256 void do_evfscfuf (void);
257 void do_evfsctsf (void);
258 void do_evfsctuf (void);
259 void do_evfsctsi (void);
260 void do_evfsctui (void);
261 void do_evfsctsiz (void);
262 void do_evfsctuiz (void);
263 #endif /* defined(TARGET_PPCSPE) */
265 /* Inlined helpers: used in micro-operation as well as helpers */
266 /* Generic fixed-point helpers */
267 static inline int _do_cntlzw (uint32_t val)
270 if (!(val & 0xFFFF0000UL)) {
274 if (!(val & 0xFF000000UL)) {
278 if (!(val & 0xF0000000UL)) {
282 if (!(val & 0xC0000000UL)) {
286 if (!(val & 0x80000000UL)) {
290 if (!(val & 0x80000000UL)) {
296 static inline int _do_cntlzd (uint64_t val)
299 #if HOST_LONG_BITS == 64
300 if (!(val & 0xFFFFFFFF00000000ULL)) {
304 if (!(val & 0xFFFF000000000000ULL)) {
308 if (!(val & 0xFF00000000000000ULL)) {
312 if (!(val & 0xF000000000000000ULL)) {
316 if (!(val & 0xC000000000000000ULL)) {
320 if (!(val & 0x8000000000000000ULL)) {
324 if (!(val & 0x8000000000000000ULL)) {
328 /* Make it easier on 32 bits host machines */
330 cnt = _do_cntlzw(val) + 32;
332 cnt = _do_cntlzw(val >> 32);
337 #if defined(TARGET_PPCSPE)
339 /* Single precision floating-point helpers */
340 static inline uint32_t _do_efsabs (uint32_t val)
342 return val & ~0x80000000;
344 static inline uint32_t _do_efsnabs (uint32_t val)
346 return val | 0x80000000;
348 static inline uint32_t _do_efsneg (uint32_t val)
350 return val ^ 0x80000000;
352 static inline uint32_t _do_efsadd (uint32_t op1, uint32_t op2)
360 u1.f = float32_add(u1.f, u2.f, &env->spe_status);
363 static inline uint32_t _do_efssub (uint32_t op1, uint32_t op2)
371 u1.f = float32_sub(u1.f, u2.f, &env->spe_status);
374 static inline uint32_t _do_efsmul (uint32_t op1, uint32_t op2)
382 u1.f = float32_mul(u1.f, u2.f, &env->spe_status);
385 static inline uint32_t _do_efsdiv (uint32_t op1, uint32_t op2)
393 u1.f = float32_div(u1.f, u2.f, &env->spe_status);
397 static inline int _do_efststlt (uint32_t op1, uint32_t op2)
405 return float32_lt(u1.f, u2.f, &env->spe_status) ? 1 : 0;
407 static inline int _do_efststgt (uint32_t op1, uint32_t op2)
415 return float32_le(u1.f, u2.f, &env->spe_status) ? 0 : 1;
417 static inline int _do_efststeq (uint32_t op1, uint32_t op2)
425 return float32_eq(u1.f, u2.f, &env->spe_status) ? 1 : 0;
427 /* Double precision floating-point helpers */
428 static inline int _do_efdtstlt (uint64_t op1, uint64_t op2)
436 return float64_lt(u1.f, u2.f, &env->spe_status) ? 1 : 0;
438 static inline int _do_efdtstgt (uint64_t op1, uint64_t op2)
446 return float64_le(u1.f, u2.f, &env->spe_status) ? 0 : 1;
448 static inline int _do_efdtsteq (uint64_t op1, uint64_t op2)
456 return float64_eq(u1.f, u2.f, &env->spe_status) ? 1 : 0;
458 #endif /* defined(TARGET_PPCSPE) */