2 * Alpha emulation cpu micro-operations for qemu.
4 * Copyright (c) 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
26 #include "op_helper.h"
29 #include "op_template.h"
32 #include "op_template.h"
35 #include "op_template.h"
38 #include "op_template.h"
41 #include "op_template.h"
44 #include "op_template.h"
47 #include "op_template.h"
50 #include "op_template.h"
53 #include "op_template.h"
56 #include "op_template.h"
59 #include "op_template.h"
62 #include "op_template.h"
65 #include "op_template.h"
68 #include "op_template.h"
71 #include "op_template.h"
74 #include "op_template.h"
77 #include "op_template.h"
80 #include "op_template.h"
83 #include "op_template.h"
86 #include "op_template.h"
89 #include "op_template.h"
92 #include "op_template.h"
95 #include "op_template.h"
98 #include "op_template.h"
101 #include "op_template.h"
104 #include "op_template.h"
107 #include "op_template.h"
110 #include "op_template.h"
113 #include "op_template.h"
116 #include "op_template.h"
119 #include "op_template.h"
122 #include "op_template.h"
125 void OPPROTO op_no_op (void)
127 #if !defined (DEBUG_OP)
128 __asm__ __volatile__("nop" : : : "memory");
133 void OPPROTO op_tb_flush (void)
139 /* Load and stores */
140 #define MEMSUFFIX _raw
142 #if !defined(CONFIG_USER_ONLY)
143 #define MEMSUFFIX _user
145 #define MEMSUFFIX _kernel
147 /* Those are used for supervisor, executive and pal modes */
148 #define MEMSUFFIX _data
152 /* Special operation for load and store */
153 void OPPROTO op_n7 (void)
155 T0 &= ~(uint64_t)0x7;
160 void OPPROTO op_excp (void)
162 helper_excp(PARAM(1), PARAM(2));
166 void OPPROTO op_load_amask (void)
172 void OPPROTO op_load_pcc (void)
178 void OPPROTO op_load_implver (void)
180 helper_load_implver();
184 void OPPROTO op_load_fpcr (void)
190 void OPPROTO op_store_fpcr (void)
196 void OPPROTO op_load_irf (void)
202 void OPPROTO op_set_irf (void)
208 void OPPROTO op_clear_irf (void)
214 void OPPROTO op_exit_tb (void)
220 void OPPROTO op_addq (void)
226 void OPPROTO op_addqv (void)
232 void OPPROTO op_addl (void)
234 T0 = (int64_t)((int32_t)(T0 + T1));
238 void OPPROTO op_addlv (void)
244 void OPPROTO op_subq (void)
250 void OPPROTO op_subqv (void)
256 void OPPROTO op_subl (void)
258 T0 = (int64_t)((int32_t)(T0 - T1));
262 void OPPROTO op_sublv (void)
268 void OPPROTO op_s4 (void)
274 void OPPROTO op_s8 (void)
280 void OPPROTO op_mull (void)
282 T0 = (int64_t)((int32_t)T0 * (int32_t)T1);
286 void OPPROTO op_mullv (void)
292 void OPPROTO op_mulq (void)
298 void OPPROTO op_mulqv (void)
304 void OPPROTO op_umulh (void)
311 void OPPROTO op_and (void)
317 void OPPROTO op_bic (void)
323 void OPPROTO op_bis (void)
329 void OPPROTO op_eqv (void)
335 void OPPROTO op_ornot (void)
341 void OPPROTO op_xor (void)
347 void OPPROTO op_sll (void)
353 void OPPROTO op_srl (void)
359 void OPPROTO op_sra (void)
361 T0 = (int64_t)T0 >> T1;
365 void OPPROTO op_sextb (void)
367 T0 = (int64_t)((int8_t)T0);
371 void OPPROTO op_sextw (void)
373 T0 = (int64_t)((int16_t)T0);
378 void OPPROTO op_ctpop (void)
384 void OPPROTO op_ctlz (void)
390 void OPPROTO op_cttz (void)
396 void OPPROTO op_mskbl (void)
402 void OPPROTO op_extbl (void)
408 void OPPROTO op_insbl (void)
414 void OPPROTO op_mskwl (void)
420 void OPPROTO op_extwl (void)
426 void OPPROTO op_inswl (void)
432 void OPPROTO op_mskll (void)
438 void OPPROTO op_extll (void)
444 void OPPROTO op_insll (void)
450 void OPPROTO op_zap (void)
456 void OPPROTO op_zapnot (void)
462 void OPPROTO op_mskql (void)
468 void OPPROTO op_extql (void)
474 void OPPROTO op_insql (void)
480 void OPPROTO op_mskwh (void)
486 void OPPROTO op_inswh (void)
492 void OPPROTO op_extwh (void)
498 void OPPROTO op_msklh (void)
504 void OPPROTO op_inslh (void)
510 void OPPROTO op_extlh (void)
516 void OPPROTO op_mskqh (void)
522 void OPPROTO op_insqh (void)
528 void OPPROTO op_extqh (void)
535 void OPPROTO op_cmpult (void)
544 void OPPROTO op_cmpule (void)
553 void OPPROTO op_cmpeq (void)
562 void OPPROTO op_cmplt (void)
564 if ((int64_t)T0 < (int64_t)T1)
571 void OPPROTO op_cmple (void)
573 if ((int64_t)T0 <= (int64_t)T1)
580 void OPPROTO op_cmpbge (void)
586 void OPPROTO op_cmpeqz (void)
595 void OPPROTO op_cmpnez (void)
604 void OPPROTO op_cmpltz (void)
613 void OPPROTO op_cmplez (void)
615 if ((int64_t)T0 <= 0)
622 void OPPROTO op_cmpgtz (void)
631 void OPPROTO op_cmpgez (void)
633 if ((int64_t)T0 >= 0)
640 void OPPROTO op_cmplbs (void)
646 void OPPROTO op_cmplbc (void)
653 void OPPROTO op_branch (void)
659 void OPPROTO op_addq1 (void)
665 #if 0 // Qemu does not know how to do this...
666 void OPPROTO op_bcond (void)
675 void OPPROTO op_bcond (void)
680 env->pc = ((uint64_t)PARAM(1) << 32) | (uint64_t)PARAM(2);
685 #if 0 // Qemu does not know how to do this...
686 void OPPROTO op_update_pc (void)
692 void OPPROTO op_update_pc (void)
694 env->pc = ((uint64_t)PARAM(1) << 32) | (uint64_t)PARAM(2);
699 /* Optimization for 32 bits hosts architectures */
700 void OPPROTO op_update_pc32 (void)
702 env->pc = (uint64_t)PARAM(1);
706 /* IEEE floating point arithmetic */
707 /* S floating (single) */
708 void OPPROTO op_adds (void)
710 FT0 = float32_add(FT0, FT1, &FP_STATUS);
714 void OPPROTO op_subs (void)
716 FT0 = float32_sub(FT0, FT1, &FP_STATUS);
720 void OPPROTO op_muls (void)
722 FT0 = float32_mul(FT0, FT1, &FP_STATUS);
726 void OPPROTO op_divs (void)
728 FT0 = float32_div(FT0, FT1, &FP_STATUS);
732 void OPPROTO op_sqrts (void)
738 void OPPROTO op_cpys (void)
744 void OPPROTO op_cpysn (void)
750 void OPPROTO op_cpyse (void)
756 void OPPROTO op_itofs (void)
762 void OPPROTO op_ftois (void)
768 /* T floating (double) */
769 void OPPROTO op_addt (void)
771 FT0 = float64_add(FT0, FT1, &FP_STATUS);
775 void OPPROTO op_subt (void)
777 FT0 = float64_sub(FT0, FT1, &FP_STATUS);
781 void OPPROTO op_mult (void)
783 FT0 = float64_mul(FT0, FT1, &FP_STATUS);
787 void OPPROTO op_divt (void)
789 FT0 = float64_div(FT0, FT1, &FP_STATUS);
793 void OPPROTO op_sqrtt (void)
799 void OPPROTO op_cmptun (void)
805 void OPPROTO op_cmpteq (void)
811 void OPPROTO op_cmptle (void)
817 void OPPROTO op_cmptlt (void)
823 void OPPROTO op_itoft (void)
829 void OPPROTO op_ftoit (void)
835 /* VAX floating point arithmetic */
837 void OPPROTO op_addf (void)
843 void OPPROTO op_subf (void)
849 void OPPROTO op_mulf (void)
855 void OPPROTO op_divf (void)
861 void OPPROTO op_sqrtf (void)
867 void OPPROTO op_cmpfeq (void)
873 void OPPROTO op_cmpfne (void)
879 void OPPROTO op_cmpflt (void)
885 void OPPROTO op_cmpfle (void)
891 void OPPROTO op_cmpfgt (void)
897 void OPPROTO op_cmpfge (void)
903 void OPPROTO op_itoff (void)
910 void OPPROTO op_addg (void)
916 void OPPROTO op_subg (void)
922 void OPPROTO op_mulg (void)
928 void OPPROTO op_divg (void)
934 void OPPROTO op_sqrtg (void)
940 void OPPROTO op_cmpgeq (void)
946 void OPPROTO op_cmpglt (void)
952 void OPPROTO op_cmpgle (void)
958 /* Floating point format conversion */
959 void OPPROTO op_cvtst (void)
965 void OPPROTO op_cvtqs (void)
971 void OPPROTO op_cvtts (void)
977 void OPPROTO op_cvttq (void)
983 void OPPROTO op_cvtqt (void)
989 void OPPROTO op_cvtqf (void)
995 void OPPROTO op_cvtgf (void)
1001 void OPPROTO op_cvtgd (void)
1007 void OPPROTO op_cvtgq (void)
1013 void OPPROTO op_cvtqg (void)
1019 void OPPROTO op_cvtdg (void)
1025 void OPPROTO op_cvtlq (void)
1031 void OPPROTO op_cvtql (void)
1037 void OPPROTO op_cvtqlv (void)
1043 void OPPROTO op_cvtqlsv (void)
1049 /* PALcode support special instructions */
1050 #if !defined (CONFIG_USER_ONLY)
1051 void OPPROTO op_hw_rei (void)
1053 env->pc = env->ipr[IPR_EXC_ADDR] & ~3;
1054 env->ipr[IPR_EXC_ADDR] = env->ipr[IPR_EXC_ADDR] & 1;
1055 /* XXX: re-enable interrupts and memory mapping */
1059 void OPPROTO op_hw_ret (void)
1062 env->ipr[IPR_EXC_ADDR] = T0 & 1;
1063 /* XXX: re-enable interrupts and memory mapping */
1067 void OPPROTO op_mfpr (void)
1069 helper_mfpr(PARAM(1));
1073 void OPPROTO op_mtpr (void)
1075 helper_mtpr(PARAM(1));
1079 void OPPROTO op_set_alt_mode (void)
1081 env->saved_mode = env->ps & 0xC;
1082 env->ps = (env->ps & ~0xC) | (env->ipr[IPR_ALT_MODE] & 0xC);
1086 void OPPROTO op_restore_mode (void)
1088 env->ps = (env->ps & ~0xC) | env->saved_mode;
1092 void OPPROTO op_ld_phys_to_virt (void)
1094 helper_ld_phys_to_virt();
1098 void OPPROTO op_st_phys_to_virt (void)
1100 helper_st_phys_to_virt();
1103 #endif /* !defined (CONFIG_USER_ONLY) */