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 void do_fnmadd (void);
97 void do_fnmsub (void);
99 void do_fctiwz (void);
100 void do_fcmpu (void);
101 void do_fcmpo (void);
104 void do_tw (int flags);
105 #if defined(TARGET_PPC64)
106 void do_td (int flags);
108 #if !defined(CONFIG_USER_ONLY)
110 #if defined(TARGET_PPC64)
111 void do_rfi_32 (void);
113 void do_tlbia (void);
114 void do_tlbie (void);
115 #if defined(TARGET_PPC64)
116 void do_tlbie_64 (void);
118 void do_load_6xx_tlb (int is_code);
119 #if defined(TARGET_PPC64)
120 void do_slbia (void);
121 void do_slbie (void);
125 /* POWER / PowerPC 601 specific helpers */
126 void do_store_601_batu (int nr);
127 void do_POWER_abso (void);
128 void do_POWER_clcs (void);
129 void do_POWER_div (void);
130 void do_POWER_divo (void);
131 void do_POWER_divs (void);
132 void do_POWER_divso (void);
133 void do_POWER_dozo (void);
134 void do_POWER_maskg (void);
135 void do_POWER_mulo (void);
136 #if !defined(CONFIG_USER_ONLY)
137 void do_POWER_rac (void);
138 void do_POWER_rfsvc (void);
141 /* PowerPC 602 specific helper */
142 #if !defined(CONFIG_USER_ONLY)
143 void do_op_602_mfrom (void);
146 /* PowerPC 4xx specific helpers */
147 void do_405_check_ov (void);
148 void do_405_check_sat (void);
149 #if !defined(CONFIG_USER_ONLY)
150 void do_4xx_load_dcr (int dcrn);
151 void do_4xx_store_dcr (int dcrn);
152 void do_4xx_rfci (void);
153 void do_4xx_tlbre_lo (void);
154 void do_4xx_tlbre_hi (void);
155 void do_4xx_tlbsx (void);
156 void do_4xx_tlbsx_ (void);
157 void do_4xx_tlbwe_lo (void);
158 void do_4xx_tlbwe_hi (void);
161 /* PowerPC 440 specific helpers */
162 void do_440_dlmzb (void);
164 /* PowerPC 403 specific helpers */
165 #if !defined(CONFIG_USER_ONLY)
166 void do_load_403_pb (int num);
167 void do_store_403_pb (int num);
170 #if defined(TARGET_PPCSPE)
171 /* SPE extension helpers */
172 void do_brinc (void);
173 /* Fixed-point vector helpers */
174 void do_evabs (void);
175 void do_evaddw (void);
176 void do_evcntlsw (void);
177 void do_evcntlzw (void);
178 void do_evneg (void);
179 void do_evrlw (void);
180 void do_evsel (void);
181 void do_evrndw (void);
182 void do_evslw (void);
183 void do_evsrws (void);
184 void do_evsrwu (void);
185 void do_evsubfw (void);
186 void do_evcmpeq (void);
187 void do_evcmpgts (void);
188 void do_evcmpgtu (void);
189 void do_evcmplts (void);
190 void do_evcmpltu (void);
192 /* Single precision floating-point helpers */
193 void do_efscmplt (void);
194 void do_efscmpgt (void);
195 void do_efscmpeq (void);
196 void do_efscfsf (void);
197 void do_efscfuf (void);
198 void do_efsctsf (void);
199 void do_efsctuf (void);
201 void do_efscfsi (void);
202 void do_efscfui (void);
203 void do_efsctsi (void);
204 void do_efsctui (void);
205 void do_efsctsiz (void);
206 void do_efsctuiz (void);
208 /* Double precision floating-point helpers */
209 void do_efdcmplt (void);
210 void do_efdcmpgt (void);
211 void do_efdcmpeq (void);
212 void do_efdcfsf (void);
213 void do_efdcfuf (void);
214 void do_efdctsf (void);
215 void do_efdctuf (void);
217 void do_efdcfsi (void);
218 void do_efdcfui (void);
219 void do_efdctsi (void);
220 void do_efdctui (void);
221 void do_efdctsiz (void);
222 void do_efdctuiz (void);
224 void do_efdcfs (void);
225 void do_efscfd (void);
227 /* Floating-point vector helpers */
228 void do_evfsabs (void);
229 void do_evfsnabs (void);
230 void do_evfsneg (void);
231 void do_evfsadd (void);
232 void do_evfssub (void);
233 void do_evfsmul (void);
234 void do_evfsdiv (void);
235 void do_evfscmplt (void);
236 void do_evfscmpgt (void);
237 void do_evfscmpeq (void);
238 void do_evfststlt (void);
239 void do_evfststgt (void);
240 void do_evfststeq (void);
241 void do_evfscfsi (void);
242 void do_evfscfui (void);
243 void do_evfscfsf (void);
244 void do_evfscfuf (void);
245 void do_evfsctsf (void);
246 void do_evfsctuf (void);
247 void do_evfsctsi (void);
248 void do_evfsctui (void);
249 void do_evfsctsiz (void);
250 void do_evfsctuiz (void);
251 #endif /* defined(TARGET_PPCSPE) */
253 /* Inlined helpers: used in micro-operation as well as helpers */
254 /* Generic fixed-point helpers */
255 static inline int _do_cntlzw (uint32_t val)
258 if (!(val & 0xFFFF0000UL)) {
262 if (!(val & 0xFF000000UL)) {
266 if (!(val & 0xF0000000UL)) {
270 if (!(val & 0xC0000000UL)) {
274 if (!(val & 0x80000000UL)) {
278 if (!(val & 0x80000000UL)) {
284 static inline int _do_cntlzd (uint64_t val)
287 #if HOST_LONG_BITS == 64
288 if (!(val & 0xFFFFFFFF00000000ULL)) {
292 if (!(val & 0xFFFF000000000000ULL)) {
296 if (!(val & 0xFF00000000000000ULL)) {
300 if (!(val & 0xF000000000000000ULL)) {
304 if (!(val & 0xC000000000000000ULL)) {
308 if (!(val & 0x8000000000000000ULL)) {
312 if (!(val & 0x8000000000000000ULL)) {
317 /* Make it easier on 32 bits host machines */
319 cnt = cntlzw(val) + 32;
321 cnt = cntlzw(val >> 32);
326 #if defined(TARGET_PPCSPE)
328 /* Single precision floating-point helpers */
329 static inline uint32_t _do_efsabs (uint32_t val)
331 return val & ~0x80000000;
333 static inline uint32_t _do_efsnabs (uint32_t val)
335 return val | 0x80000000;
337 static inline uint32_t _do_efsneg (uint32_t val)
339 return val ^ 0x80000000;
341 static inline uint32_t _do_efsadd (uint32_t op1, uint32_t op2)
349 u1.f = float32_add(u1.f, u2.f, &env->spe_status);
352 static inline uint32_t _do_efssub (uint32_t op1, uint32_t op2)
360 u1.f = float32_sub(u1.f, u2.f, &env->spe_status);
363 static inline uint32_t _do_efsmul (uint32_t op1, uint32_t op2)
371 u1.f = float32_mul(u1.f, u2.f, &env->spe_status);
374 static inline uint32_t _do_efsdiv (uint32_t op1, uint32_t op2)
382 u1.f = float32_div(u1.f, u2.f, &env->spe_status);
386 static inline int _do_efststlt (uint32_t op1, uint32_t op2)
394 return float32_lt(u1.f, u2.f, &env->spe_status) ? 1 : 0;
396 static inline int _do_efststgt (uint32_t op1, uint32_t op2)
404 return float32_le(u1.f, u2.f, &env->spe_status) ? 0 : 1;
406 static inline int _do_efststeq (uint32_t op1, uint32_t op2)
414 return float32_eq(u1.f, u2.f, &env->spe_status) ? 1 : 0;
416 /* Double precision floating-point helpers */
417 static inline int _do_efdtstlt (uint64_t op1, uint64_t op2)
425 return float64_lt(u1.f, u2.f, &env->spe_status) ? 1 : 0;
427 static inline int _do_efdtstgt (uint64_t op1, uint64_t op2)
435 return float64_le(u1.f, u2.f, &env->spe_status) ? 0 : 1;
437 static inline int _do_efdtsteq (uint64_t op1, uint64_t op2)
445 return float64_eq(u1.f, u2.f, &env->spe_status) ? 1 : 0;
447 #endif /* defined(TARGET_PPCSPE) */