2 * PowerPC emulation micro-operations 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
25 #include "host-utils.h"
26 #include "helper_regs.h"
27 #include "op_helper.h"
29 #if !defined(CONFIG_USER_ONLY)
30 /* Segment registers load and store */
31 void OPPROTO
op_load_sr (void)
37 void OPPROTO
op_store_sr (void)
39 do_store_sr(env
, T1
, T0
);
43 #if defined(TARGET_PPC64)
44 void OPPROTO
op_load_slb (void)
46 T0
= ppc_load_slb(env
, T1
);
50 void OPPROTO
op_store_slb (void)
52 ppc_store_slb(env
, T1
, T0
);
55 #endif /* defined(TARGET_PPC64) */
57 void OPPROTO
op_load_sdr1 (void)
63 void OPPROTO
op_store_sdr1 (void)
65 do_store_sdr1(env
, T0
);
69 #if defined (TARGET_PPC64)
70 void OPPROTO
op_load_asr (void)
76 void OPPROTO
op_store_asr (void)
78 ppc_store_asr(env
, T0
);
83 void OPPROTO
op_load_msr (void)
89 void OPPROTO
op_store_msr (void)
95 #if defined (TARGET_PPC64)
96 void OPPROTO
op_store_msr_32 (void)
98 T0
= (env
->msr
& ~0xFFFFFFFFULL
) | (T0
& 0xFFFFFFFF);
104 void OPPROTO
op_update_riee (void)
106 /* We don't call do_store_msr here as we won't trigger
107 * any special case nor change hflags
109 T0
&= (1 << MSR_RI
) | (1 << MSR_EE
);
110 env
->msr
&= ~(1 << MSR_RI
) | (1 << MSR_EE
);
117 void OPPROTO
op_load_spr (void)
119 T0
= env
->spr
[PARAM1
];
123 void OPPROTO
op_store_spr (void)
125 env
->spr
[PARAM1
] = T0
;
129 void OPPROTO
op_load_dump_spr (void)
131 T0
= ppc_load_dump_spr(PARAM1
);
135 void OPPROTO
op_store_dump_spr (void)
137 ppc_store_dump_spr(PARAM1
, T0
);
141 void OPPROTO
op_mask_spr (void)
143 env
->spr
[PARAM1
] &= ~T0
;
147 void OPPROTO
op_load_tbl (void)
149 T0
= cpu_ppc_load_tbl(env
);
153 void OPPROTO
op_load_tbu (void)
155 T0
= cpu_ppc_load_tbu(env
);
159 void OPPROTO
op_load_atbl (void)
161 T0
= cpu_ppc_load_atbl(env
);
165 void OPPROTO
op_load_atbu (void)
167 T0
= cpu_ppc_load_atbu(env
);
171 #if !defined(CONFIG_USER_ONLY)
172 void OPPROTO
op_store_tbl (void)
174 cpu_ppc_store_tbl(env
, T0
);
178 void OPPROTO
op_store_tbu (void)
180 cpu_ppc_store_tbu(env
, T0
);
184 void OPPROTO
op_store_atbl (void)
186 cpu_ppc_store_atbl(env
, T0
);
190 void OPPROTO
op_store_atbu (void)
192 cpu_ppc_store_atbu(env
, T0
);
196 void OPPROTO
op_load_decr (void)
198 T0
= cpu_ppc_load_decr(env
);
202 void OPPROTO
op_store_decr (void)
204 cpu_ppc_store_decr(env
, T0
);
208 void OPPROTO
op_load_ibat (void)
210 T0
= env
->IBAT
[PARAM1
][PARAM2
];
214 void OPPROTO
op_store_ibatu (void)
216 do_store_ibatu(env
, PARAM1
, T0
);
220 void OPPROTO
op_store_ibatl (void)
223 env
->IBAT
[1][PARAM1
] = T0
;
225 do_store_ibatl(env
, PARAM1
, T0
);
230 void OPPROTO
op_load_dbat (void)
232 T0
= env
->DBAT
[PARAM1
][PARAM2
];
236 void OPPROTO
op_store_dbatu (void)
238 do_store_dbatu(env
, PARAM1
, T0
);
242 void OPPROTO
op_store_dbatl (void)
245 env
->DBAT
[1][PARAM1
] = T0
;
247 do_store_dbatl(env
, PARAM1
, T0
);
251 #endif /* !defined(CONFIG_USER_ONLY) */
253 /*** Integer shift ***/
254 void OPPROTO
op_srli_T1 (void)
256 T1
= (uint32_t)T1
>> PARAM1
;
261 #define MEMSUFFIX _raw
262 #include "op_helper.h"
264 #if !defined(CONFIG_USER_ONLY)
265 #define MEMSUFFIX _user
266 #include "op_helper.h"
268 #define MEMSUFFIX _kernel
269 #include "op_helper.h"
271 #define MEMSUFFIX _hypv
272 #include "op_helper.h"
276 /* Special op to check and maybe clear reservation */
277 void OPPROTO
op_check_reservation (void)
279 if ((uint32_t)env
->reserve
== (uint32_t)(T0
& ~0x00000003))
280 env
->reserve
= (target_ulong
)-1ULL;
284 #if defined(TARGET_PPC64)
285 void OPPROTO
op_check_reservation_64 (void)
287 if ((uint64_t)env
->reserve
== (uint64_t)(T0
& ~0x00000003))
288 env
->reserve
= (target_ulong
)-1ULL;
293 void OPPROTO
op_wait (void)
299 /* Return from interrupt */
300 #if !defined(CONFIG_USER_ONLY)
301 void OPPROTO
op_rfi (void)
307 #if defined(TARGET_PPC64)
308 void OPPROTO
op_rfid (void)
314 void OPPROTO
op_hrfid (void)
321 /* Exception vectors */
322 void OPPROTO
op_store_excp_prefix (void)
324 T0
&= env
->ivpr_mask
;
325 env
->excp_prefix
= T0
;
329 void OPPROTO
op_store_excp_vector (void)
331 T0
&= env
->ivor_mask
;
332 env
->excp_vectors
[PARAM1
] = T0
;
337 #if !defined(CONFIG_USER_ONLY)
339 void OPPROTO
op_tlbia (void)
341 ppc_tlb_invalidate_all(env
);
346 void OPPROTO
op_tlbie (void)
348 ppc_tlb_invalidate_one(env
, (uint32_t)T0
);
352 #if defined(TARGET_PPC64)
353 void OPPROTO
op_tlbie_64 (void)
355 ppc_tlb_invalidate_one(env
, T0
);
360 #if defined(TARGET_PPC64)
361 void OPPROTO
op_slbia (void)
363 ppc_slb_invalidate_all(env
);
367 void OPPROTO
op_slbie (void)
369 ppc_slb_invalidate_one(env
, (uint32_t)T0
);
373 void OPPROTO
op_slbie_64 (void)
375 ppc_slb_invalidate_one(env
, T0
);
382 void OPPROTO
op_load_601_rtcl (void)
384 T0
= cpu_ppc601_load_rtcl(env
);
388 void OPPROTO
op_load_601_rtcu (void)
390 T0
= cpu_ppc601_load_rtcu(env
);
394 #if !defined(CONFIG_USER_ONLY)
395 void OPPROTO
op_store_601_rtcl (void)
397 cpu_ppc601_store_rtcl(env
, T0
);
401 void OPPROTO
op_store_601_rtcu (void)
403 cpu_ppc601_store_rtcu(env
, T0
);
407 void OPPROTO
op_store_hid0_601 (void)
413 void OPPROTO
op_load_601_bat (void)
415 T0
= env
->IBAT
[PARAM1
][PARAM2
];
419 void OPPROTO
op_store_601_batl (void)
421 do_store_ibatl_601(env
, PARAM1
, T0
);
425 void OPPROTO
op_store_601_batu (void)
427 do_store_ibatu_601(env
, PARAM1
, T0
);
430 #endif /* !defined(CONFIG_USER_ONLY) */
432 /* PowerPC 601 specific instructions (POWER bridge) */
433 /* XXX: those micro-ops need tests ! */
434 void OPPROTO
op_POWER_abs (void)
436 if ((int32_t)T0
== INT32_MIN
)
438 else if ((int32_t)T0
< 0)
443 void OPPROTO
op_POWER_abso (void)
449 void OPPROTO
op_POWER_clcs (void)
455 void OPPROTO
op_POWER_div (void)
461 void OPPROTO
op_POWER_divo (void)
467 void OPPROTO
op_POWER_divs (void)
473 void OPPROTO
op_POWER_divso (void)
479 void OPPROTO
op_POWER_doz (void)
481 if ((int32_t)T1
> (int32_t)T0
)
488 void OPPROTO
op_POWER_dozo (void)
494 void OPPROTO
op_load_xer_cmp (void)
500 void OPPROTO
op_POWER_maskg (void)
506 void OPPROTO
op_POWER_maskir (void)
508 T0
= (T0
& ~T2
) | (T1
& T2
);
512 void OPPROTO
op_POWER_mul (void)
516 tmp
= (uint64_t)T0
* (uint64_t)T1
;
517 env
->spr
[SPR_MQ
] = tmp
>> 32;
522 void OPPROTO
op_POWER_mulo (void)
528 void OPPROTO
op_POWER_nabs (void)
535 void OPPROTO
op_POWER_nabso (void)
537 /* nabs never overflows */
540 env
->xer
&= ~(1 << XER_OV
);
544 /* XXX: factorise POWER rotates... */
545 void OPPROTO
op_POWER_rlmi (void)
547 T0
= rotl32(T0
, T2
) & PARAM1
;
548 T0
|= T1
& (uint32_t)PARAM2
;
552 void OPPROTO
op_POWER_rrib (void)
555 T0
= rotl32(T0
& INT32_MIN
, T2
);
556 T0
|= T1
& ~rotl32(INT32_MIN
, T2
);
560 void OPPROTO
op_POWER_sle (void)
563 env
->spr
[SPR_MQ
] = rotl32(T0
, T1
);
568 void OPPROTO
op_POWER_sleq (void)
570 uint32_t tmp
= env
->spr
[SPR_MQ
];
573 env
->spr
[SPR_MQ
] = rotl32(T0
, T1
);
575 T0
|= tmp
>> (32 - T1
);
579 void OPPROTO
op_POWER_sllq (void)
581 uint32_t msk
= UINT32_MAX
;
583 msk
= msk
<< (T1
& 0x1FUL
);
587 T0
= (T0
<< T1
) & msk
;
588 T0
|= env
->spr
[SPR_MQ
] & ~msk
;
592 void OPPROTO
op_POWER_slq (void)
594 uint32_t msk
= UINT32_MAX
, tmp
;
596 msk
= msk
<< (T1
& 0x1FUL
);
600 tmp
= rotl32(T0
, T1
);
602 env
->spr
[SPR_MQ
] = tmp
;
606 void OPPROTO
op_POWER_sraq (void)
608 env
->spr
[SPR_MQ
] = rotl32(T0
, 32 - (T1
& 0x1FUL
));
612 T0
= (int32_t)T0
>> T1
;
616 void OPPROTO
op_POWER_sre (void)
619 env
->spr
[SPR_MQ
] = rotl32(T0
, 32 - T1
);
620 T0
= (int32_t)T0
>> T1
;
624 void OPPROTO
op_POWER_srea (void)
627 env
->spr
[SPR_MQ
] = T0
>> T1
;
628 T0
= (int32_t)T0
>> T1
;
632 void OPPROTO
op_POWER_sreq (void)
638 msk
= INT32_MIN
>> T1
;
639 tmp
= env
->spr
[SPR_MQ
];
640 env
->spr
[SPR_MQ
] = rotl32(T0
, 32 - T1
);
646 void OPPROTO
op_POWER_srlq (void)
651 msk
= INT32_MIN
>> (T1
& 0x1FUL
);
655 tmp
= env
->spr
[SPR_MQ
];
656 env
->spr
[SPR_MQ
] = rotl32(T0
, 32 - T1
);
663 void OPPROTO
op_POWER_srq (void)
666 env
->spr
[SPR_MQ
] = rotl32(T0
, 32 - T1
);
671 /* POWER instructions not implemented in PowerPC 601 */
672 #if !defined(CONFIG_USER_ONLY)
673 void OPPROTO
op_POWER_mfsri (void)
680 void OPPROTO
op_POWER_rac (void)
686 void OPPROTO
op_POWER_rfsvc (void)
693 /* PowerPC 602 specific instruction */
694 #if !defined(CONFIG_USER_ONLY)
695 void OPPROTO
op_602_mfrom (void)
702 /* PowerPC 4xx specific micro-ops */
703 void OPPROTO
op_load_dcr (void)
709 void OPPROTO
op_store_dcr (void)
715 #if !defined(CONFIG_USER_ONLY)
716 /* Return from critical interrupt :
717 * same as rfi, except nip & MSR are loaded from SRR2/3 instead of SRR0/1
719 void OPPROTO
op_40x_rfci (void)
725 void OPPROTO
op_rfci (void)
731 void OPPROTO
op_rfdi (void)
737 void OPPROTO
op_rfmci (void)
743 void OPPROTO
op_wrte (void)
745 /* We don't call do_store_msr here as we won't trigger
746 * any special case nor change hflags
749 env
->msr
&= ~(1 << MSR_EE
);
754 void OPPROTO
op_440_tlbre (void)
756 do_440_tlbre(PARAM1
);
760 void OPPROTO
op_440_tlbsx (void)
762 T0
= ppcemb_tlb_search(env
, T0
, env
->spr
[SPR_440_MMUCR
] & 0xFF);
766 void OPPROTO
op_4xx_tlbsx_check (void)
777 void OPPROTO
op_440_tlbwe (void)
779 do_440_tlbwe(PARAM1
);
783 void OPPROTO
op_4xx_tlbre_lo (void)
789 void OPPROTO
op_4xx_tlbre_hi (void)
795 void OPPROTO
op_4xx_tlbsx (void)
797 T0
= ppcemb_tlb_search(env
, T0
, env
->spr
[SPR_40x_PID
]);
801 void OPPROTO
op_4xx_tlbwe_lo (void)
807 void OPPROTO
op_4xx_tlbwe_hi (void)
816 void OPPROTO
op_440_dlmzb (void)
822 void OPPROTO
op_440_dlmzb_update_Rc (void)
833 #if !defined(CONFIG_USER_ONLY)
834 void OPPROTO
op_store_pir (void)
836 env
->spr
[SPR_PIR
] = T0
& 0x0000000FUL
;
840 void OPPROTO
op_load_403_pb (void)
842 do_load_403_pb(PARAM1
);
846 void OPPROTO
op_store_403_pb (void)
848 do_store_403_pb(PARAM1
);
852 void OPPROTO
op_load_40x_pit (void)
854 T0
= load_40x_pit(env
);
858 void OPPROTO
op_store_40x_pit (void)
860 store_40x_pit(env
, T0
);
864 void OPPROTO
op_store_40x_dbcr0 (void)
866 store_40x_dbcr0(env
, T0
);
870 void OPPROTO
op_store_40x_sler (void)
872 store_40x_sler(env
, T0
);
876 void OPPROTO
op_store_booke_tcr (void)
878 store_booke_tcr(env
, T0
);
882 void OPPROTO
op_store_booke_tsr (void)
884 store_booke_tsr(env
, T0
);
887 #endif /* !defined(CONFIG_USER_ONLY) */