2 * PowerPC emulation helpers 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
22 #include "host-utils.h"
25 #include "helper_regs.h"
28 //#define DEBUG_EXCEPTIONS
29 //#define DEBUG_SOFTWARE_TLB
31 /*****************************************************************************/
32 /* Exceptions processing helpers */
34 void helper_raise_exception_err (uint32_t exception, uint32_t error_code)
37 printf("Raise exception %3x code : %d\n", exception, error_code);
39 env->exception_index = exception;
40 env->error_code = error_code;
44 void helper_raise_exception (uint32_t exception)
46 helper_raise_exception_err(exception, 0);
49 /*****************************************************************************/
50 /* Registers load and stores */
51 target_ulong helper_load_cr (void)
53 return (env->crf[0] << 28) |
63 void helper_store_cr (target_ulong val, uint32_t mask)
67 for (i = 0, sh = 7; i < 8; i++, sh--) {
69 env->crf[i] = (val >> (sh * 4)) & 0xFUL;
73 /*****************************************************************************/
75 void helper_load_dump_spr (uint32_t sprn)
78 fprintf(logfile, "Read SPR %d %03x => " ADDRX "\n",
79 sprn, sprn, env->spr[sprn]);
83 void helper_store_dump_spr (uint32_t sprn)
86 fprintf(logfile, "Write SPR %d %03x <= " ADDRX "\n",
87 sprn, sprn, env->spr[sprn]);
91 target_ulong helper_load_tbl (void)
93 return cpu_ppc_load_tbl(env);
96 target_ulong helper_load_tbu (void)
98 return cpu_ppc_load_tbu(env);
101 target_ulong helper_load_atbl (void)
103 return cpu_ppc_load_atbl(env);
106 target_ulong helper_load_atbu (void)
108 return cpu_ppc_load_atbu(env);
111 target_ulong helper_load_601_rtcl (void)
113 return cpu_ppc601_load_rtcl(env);
116 target_ulong helper_load_601_rtcu (void)
118 return cpu_ppc601_load_rtcu(env);
121 #if !defined(CONFIG_USER_ONLY)
122 #if defined (TARGET_PPC64)
123 void helper_store_asr (target_ulong val)
125 ppc_store_asr(env, val);
129 void helper_store_sdr1 (target_ulong val)
131 ppc_store_sdr1(env, val);
134 void helper_store_tbl (target_ulong val)
136 cpu_ppc_store_tbl(env, val);
139 void helper_store_tbu (target_ulong val)
141 cpu_ppc_store_tbu(env, val);
144 void helper_store_atbl (target_ulong val)
146 cpu_ppc_store_atbl(env, val);
149 void helper_store_atbu (target_ulong val)
151 cpu_ppc_store_atbu(env, val);
154 void helper_store_601_rtcl (target_ulong val)
156 cpu_ppc601_store_rtcl(env, val);
159 void helper_store_601_rtcu (target_ulong val)
161 cpu_ppc601_store_rtcu(env, val);
164 target_ulong helper_load_decr (void)
166 return cpu_ppc_load_decr(env);
169 void helper_store_decr (target_ulong val)
171 cpu_ppc_store_decr(env, val);
174 void helper_store_hid0_601 (target_ulong val)
178 hid0 = env->spr[SPR_HID0];
179 if ((val ^ hid0) & 0x00000008) {
180 /* Change current endianness */
181 env->hflags &= ~(1 << MSR_LE);
182 env->hflags_nmsr &= ~(1 << MSR_LE);
183 env->hflags_nmsr |= (1 << MSR_LE) & (((val >> 3) & 1) << MSR_LE);
184 env->hflags |= env->hflags_nmsr;
186 fprintf(logfile, "%s: set endianness to %c => " ADDRX "\n",
187 __func__, val & 0x8 ? 'l' : 'b', env->hflags);
190 env->spr[SPR_HID0] = (uint32_t)val;
193 void helper_store_403_pbr (uint32_t num, target_ulong value)
195 if (likely(env->pb[num] != value)) {
196 env->pb[num] = value;
197 /* Should be optimized */
202 target_ulong helper_load_40x_pit (void)
204 return load_40x_pit(env);
207 void helper_store_40x_pit (target_ulong val)
209 store_40x_pit(env, val);
212 void helper_store_40x_dbcr0 (target_ulong val)
214 store_40x_dbcr0(env, val);
217 void helper_store_40x_sler (target_ulong val)
219 store_40x_sler(env, val);
222 void helper_store_booke_tcr (target_ulong val)
224 store_booke_tcr(env, val);
227 void helper_store_booke_tsr (target_ulong val)
229 store_booke_tsr(env, val);
232 void helper_store_ibatu (uint32_t nr, target_ulong val)
234 ppc_store_ibatu(env, nr, val);
237 void helper_store_ibatl (uint32_t nr, target_ulong val)
239 ppc_store_ibatl(env, nr, val);
242 void helper_store_dbatu (uint32_t nr, target_ulong val)
244 ppc_store_dbatu(env, nr, val);
247 void helper_store_dbatl (uint32_t nr, target_ulong val)
249 ppc_store_dbatl(env, nr, val);
252 void helper_store_601_batl (uint32_t nr, target_ulong val)
254 ppc_store_ibatl_601(env, nr, val);
257 void helper_store_601_batu (uint32_t nr, target_ulong val)
259 ppc_store_ibatu_601(env, nr, val);
263 /*****************************************************************************/
264 /* Memory load and stores */
266 static always_inline target_ulong addr_add(target_ulong addr, target_long arg)
268 #if defined(TARGET_PPC64)
270 return (uint32_t)(addr + arg);
276 void helper_lmw (target_ulong addr, uint32_t reg)
278 for (; reg < 32; reg++) {
280 env->gpr[reg] = bswap32(ldl(addr));
282 env->gpr[reg] = ldl(addr);
283 addr = addr_add(addr, 4);
287 void helper_stmw (target_ulong addr, uint32_t reg)
289 for (; reg < 32; reg++) {
291 stl(addr, bswap32((uint32_t)env->gpr[reg]));
293 stl(addr, (uint32_t)env->gpr[reg]);
294 addr = addr_add(addr, 4);
298 void helper_lsw(target_ulong addr, uint32_t nb, uint32_t reg)
301 for (; nb > 3; nb -= 4) {
302 env->gpr[reg] = ldl(addr);
303 reg = (reg + 1) % 32;
304 addr = addr_add(addr, 4);
306 if (unlikely(nb > 0)) {
308 for (sh = 24; nb > 0; nb--, sh -= 8) {
309 env->gpr[reg] |= ldub(addr) << sh;
310 addr = addr_add(addr, 1);
314 /* PPC32 specification says we must generate an exception if
315 * rA is in the range of registers to be loaded.
316 * In an other hand, IBM says this is valid, but rA won't be loaded.
317 * For now, I'll follow the spec...
319 void helper_lswx(target_ulong addr, uint32_t reg, uint32_t ra, uint32_t rb)
321 if (likely(xer_bc != 0)) {
322 if (unlikely((ra != 0 && reg < ra && (reg + xer_bc) > ra) ||
323 (reg < rb && (reg + xer_bc) > rb))) {
324 helper_raise_exception_err(POWERPC_EXCP_PROGRAM,
326 POWERPC_EXCP_INVAL_LSWX);
328 helper_lsw(addr, xer_bc, reg);
333 void helper_stsw(target_ulong addr, uint32_t nb, uint32_t reg)
336 for (; nb > 3; nb -= 4) {
337 stl(addr, env->gpr[reg]);
338 reg = (reg + 1) % 32;
339 addr = addr_add(addr, 4);
341 if (unlikely(nb > 0)) {
342 for (sh = 24; nb > 0; nb--, sh -= 8) {
343 stb(addr, (env->gpr[reg] >> sh) & 0xFF);
344 addr = addr_add(addr, 1);
349 static void do_dcbz(target_ulong addr, int dcache_line_size)
351 addr &= ~(dcache_line_size - 1);
353 for (i = 0 ; i < dcache_line_size ; i += 4) {
356 if (env->reserve == addr)
357 env->reserve = (target_ulong)-1ULL;
360 void helper_dcbz(target_ulong addr)
362 do_dcbz(addr, env->dcache_line_size);
365 void helper_dcbz_970(target_ulong addr)
367 if (((env->spr[SPR_970_HID5] >> 7) & 0x3) == 1)
370 do_dcbz(addr, env->dcache_line_size);
373 void helper_icbi(target_ulong addr)
377 addr &= ~(env->dcache_line_size - 1);
378 /* Invalidate one cache line :
379 * PowerPC specification says this is to be treated like a load
380 * (not a fetch) by the MMU. To be sure it will be so,
381 * do the load "by hand".
384 tb_invalidate_page_range(addr, addr + env->icache_line_size);
388 target_ulong helper_lscbx (target_ulong addr, uint32_t reg, uint32_t ra, uint32_t rb)
392 for (i = 0; i < xer_bc; i++) {
394 addr = addr_add(addr, 1);
395 /* ra (if not 0) and rb are never modified */
396 if (likely(reg != rb && (ra == 0 || reg != ra))) {
397 env->gpr[reg] = (env->gpr[reg] & ~(0xFF << d)) | (c << d);
399 if (unlikely(c == xer_cmp))
401 if (likely(d != 0)) {
412 /*****************************************************************************/
413 /* Fixed point operations helpers */
414 #if defined(TARGET_PPC64)
416 /* multiply high word */
417 uint64_t helper_mulhd (uint64_t arg1, uint64_t arg2)
421 muls64(&tl, &th, arg1, arg2);
425 /* multiply high word unsigned */
426 uint64_t helper_mulhdu (uint64_t arg1, uint64_t arg2)
430 mulu64(&tl, &th, arg1, arg2);
434 uint64_t helper_mulldo (uint64_t arg1, uint64_t arg2)
439 muls64(&tl, (uint64_t *)&th, arg1, arg2);
440 /* If th != 0 && th != -1, then we had an overflow */
441 if (likely((uint64_t)(th + 1) <= 1)) {
442 env->xer &= ~(1 << XER_OV);
444 env->xer |= (1 << XER_OV) | (1 << XER_SO);
450 target_ulong helper_cntlzw (target_ulong t)
455 #if defined(TARGET_PPC64)
456 target_ulong helper_cntlzd (target_ulong t)
462 /* shift right arithmetic helper */
463 target_ulong helper_sraw (target_ulong value, target_ulong shift)
467 if (likely(!(shift & 0x20))) {
468 if (likely((uint32_t)shift != 0)) {
470 ret = (int32_t)value >> shift;
471 if (likely(ret >= 0 || (value & ((1 << shift) - 1)) == 0)) {
472 env->xer &= ~(1 << XER_CA);
474 env->xer |= (1 << XER_CA);
477 ret = (int32_t)value;
478 env->xer &= ~(1 << XER_CA);
481 ret = (int32_t)value >> 31;
483 env->xer |= (1 << XER_CA);
485 env->xer &= ~(1 << XER_CA);
488 return (target_long)ret;
491 #if defined(TARGET_PPC64)
492 target_ulong helper_srad (target_ulong value, target_ulong shift)
496 if (likely(!(shift & 0x40))) {
497 if (likely((uint64_t)shift != 0)) {
499 ret = (int64_t)value >> shift;
500 if (likely(ret >= 0 || (value & ((1 << shift) - 1)) == 0)) {
501 env->xer &= ~(1 << XER_CA);
503 env->xer |= (1 << XER_CA);
506 ret = (int64_t)value;
507 env->xer &= ~(1 << XER_CA);
510 ret = (int64_t)value >> 63;
512 env->xer |= (1 << XER_CA);
514 env->xer &= ~(1 << XER_CA);
521 target_ulong helper_popcntb (target_ulong val)
523 val = (val & 0x55555555) + ((val >> 1) & 0x55555555);
524 val = (val & 0x33333333) + ((val >> 2) & 0x33333333);
525 val = (val & 0x0f0f0f0f) + ((val >> 4) & 0x0f0f0f0f);
529 #if defined(TARGET_PPC64)
530 target_ulong helper_popcntb_64 (target_ulong val)
532 val = (val & 0x5555555555555555ULL) + ((val >> 1) & 0x5555555555555555ULL);
533 val = (val & 0x3333333333333333ULL) + ((val >> 2) & 0x3333333333333333ULL);
534 val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) & 0x0f0f0f0f0f0f0f0fULL);
539 /*****************************************************************************/
540 /* Floating point operations helpers */
541 uint64_t helper_float32_to_float64(uint32_t arg)
546 d.d = float32_to_float64(f.f, &env->fp_status);
550 uint32_t helper_float64_to_float32(uint64_t arg)
555 f.f = float64_to_float32(d.d, &env->fp_status);
559 static always_inline int isden (float64 d)
565 return ((u.ll >> 52) & 0x7FF) == 0;
568 uint32_t helper_compute_fprf (uint64_t arg, uint32_t set_fprf)
574 isneg = float64_is_neg(farg.d);
575 if (unlikely(float64_is_nan(farg.d))) {
576 if (float64_is_signaling_nan(farg.d)) {
577 /* Signaling NaN: flags are undefined */
583 } else if (unlikely(float64_is_infinity(farg.d))) {
590 if (float64_is_zero(farg.d)) {
598 /* Denormalized numbers */
601 /* Normalized numbers */
612 /* We update FPSCR_FPRF */
613 env->fpscr &= ~(0x1F << FPSCR_FPRF);
614 env->fpscr |= ret << FPSCR_FPRF;
616 /* We just need fpcc to update Rc1 */
620 /* Floating-point invalid operations exception */
621 static always_inline uint64_t fload_invalid_op_excp (int op)
628 case POWERPC_EXCP_FP_VXSNAN:
629 env->fpscr |= 1 << FPSCR_VXSNAN;
631 case POWERPC_EXCP_FP_VXSOFT:
632 env->fpscr |= 1 << FPSCR_VXSOFT;
634 case POWERPC_EXCP_FP_VXISI:
635 /* Magnitude subtraction of infinities */
636 env->fpscr |= 1 << FPSCR_VXISI;
638 case POWERPC_EXCP_FP_VXIDI:
639 /* Division of infinity by infinity */
640 env->fpscr |= 1 << FPSCR_VXIDI;
642 case POWERPC_EXCP_FP_VXZDZ:
643 /* Division of zero by zero */
644 env->fpscr |= 1 << FPSCR_VXZDZ;
646 case POWERPC_EXCP_FP_VXIMZ:
647 /* Multiplication of zero by infinity */
648 env->fpscr |= 1 << FPSCR_VXIMZ;
650 case POWERPC_EXCP_FP_VXVC:
651 /* Ordered comparison of NaN */
652 env->fpscr |= 1 << FPSCR_VXVC;
653 env->fpscr &= ~(0xF << FPSCR_FPCC);
654 env->fpscr |= 0x11 << FPSCR_FPCC;
655 /* We must update the target FPR before raising the exception */
657 env->exception_index = POWERPC_EXCP_PROGRAM;
658 env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_VXVC;
659 /* Update the floating-point enabled exception summary */
660 env->fpscr |= 1 << FPSCR_FEX;
661 /* Exception is differed */
665 case POWERPC_EXCP_FP_VXSQRT:
666 /* Square root of a negative number */
667 env->fpscr |= 1 << FPSCR_VXSQRT;
669 env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI));
671 /* Set the result to quiet NaN */
672 ret = 0xFFF8000000000000ULL;
673 env->fpscr &= ~(0xF << FPSCR_FPCC);
674 env->fpscr |= 0x11 << FPSCR_FPCC;
677 case POWERPC_EXCP_FP_VXCVI:
678 /* Invalid conversion */
679 env->fpscr |= 1 << FPSCR_VXCVI;
680 env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI));
682 /* Set the result to quiet NaN */
683 ret = 0xFFF8000000000000ULL;
684 env->fpscr &= ~(0xF << FPSCR_FPCC);
685 env->fpscr |= 0x11 << FPSCR_FPCC;
689 /* Update the floating-point invalid operation summary */
690 env->fpscr |= 1 << FPSCR_VX;
691 /* Update the floating-point exception summary */
692 env->fpscr |= 1 << FPSCR_FX;
694 /* Update the floating-point enabled exception summary */
695 env->fpscr |= 1 << FPSCR_FEX;
696 if (msr_fe0 != 0 || msr_fe1 != 0)
697 helper_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_FP | op);
702 static always_inline void float_zero_divide_excp (void)
704 env->fpscr |= 1 << FPSCR_ZX;
705 env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI));
706 /* Update the floating-point exception summary */
707 env->fpscr |= 1 << FPSCR_FX;
709 /* Update the floating-point enabled exception summary */
710 env->fpscr |= 1 << FPSCR_FEX;
711 if (msr_fe0 != 0 || msr_fe1 != 0) {
712 helper_raise_exception_err(POWERPC_EXCP_PROGRAM,
713 POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX);
718 static always_inline void float_overflow_excp (void)
720 env->fpscr |= 1 << FPSCR_OX;
721 /* Update the floating-point exception summary */
722 env->fpscr |= 1 << FPSCR_FX;
724 /* XXX: should adjust the result */
725 /* Update the floating-point enabled exception summary */
726 env->fpscr |= 1 << FPSCR_FEX;
727 /* We must update the target FPR before raising the exception */
728 env->exception_index = POWERPC_EXCP_PROGRAM;
729 env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_OX;
731 env->fpscr |= 1 << FPSCR_XX;
732 env->fpscr |= 1 << FPSCR_FI;
736 static always_inline void float_underflow_excp (void)
738 env->fpscr |= 1 << FPSCR_UX;
739 /* Update the floating-point exception summary */
740 env->fpscr |= 1 << FPSCR_FX;
742 /* XXX: should adjust the result */
743 /* Update the floating-point enabled exception summary */
744 env->fpscr |= 1 << FPSCR_FEX;
745 /* We must update the target FPR before raising the exception */
746 env->exception_index = POWERPC_EXCP_PROGRAM;
747 env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_UX;
751 static always_inline void float_inexact_excp (void)
753 env->fpscr |= 1 << FPSCR_XX;
754 /* Update the floating-point exception summary */
755 env->fpscr |= 1 << FPSCR_FX;
757 /* Update the floating-point enabled exception summary */
758 env->fpscr |= 1 << FPSCR_FEX;
759 /* We must update the target FPR before raising the exception */
760 env->exception_index = POWERPC_EXCP_PROGRAM;
761 env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_XX;
765 static always_inline void fpscr_set_rounding_mode (void)
769 /* Set rounding mode */
772 /* Best approximation (round to nearest) */
773 rnd_type = float_round_nearest_even;
776 /* Smaller magnitude (round toward zero) */
777 rnd_type = float_round_to_zero;
780 /* Round toward +infinite */
781 rnd_type = float_round_up;
785 /* Round toward -infinite */
786 rnd_type = float_round_down;
789 set_float_rounding_mode(rnd_type, &env->fp_status);
792 void helper_fpscr_clrbit (uint32_t bit)
796 prev = (env->fpscr >> bit) & 1;
797 env->fpscr &= ~(1 << bit);
802 fpscr_set_rounding_mode();
810 void helper_fpscr_setbit (uint32_t bit)
814 prev = (env->fpscr >> bit) & 1;
815 env->fpscr |= 1 << bit;
819 env->fpscr |= 1 << FPSCR_FX;
823 env->fpscr |= 1 << FPSCR_FX;
828 env->fpscr |= 1 << FPSCR_FX;
833 env->fpscr |= 1 << FPSCR_FX;
838 env->fpscr |= 1 << FPSCR_FX;
851 env->fpscr |= 1 << FPSCR_VX;
852 env->fpscr |= 1 << FPSCR_FX;
859 env->error_code = POWERPC_EXCP_FP;
861 env->error_code |= POWERPC_EXCP_FP_VXSNAN;
863 env->error_code |= POWERPC_EXCP_FP_VXISI;
865 env->error_code |= POWERPC_EXCP_FP_VXIDI;
867 env->error_code |= POWERPC_EXCP_FP_VXZDZ;
869 env->error_code |= POWERPC_EXCP_FP_VXIMZ;
871 env->error_code |= POWERPC_EXCP_FP_VXVC;
873 env->error_code |= POWERPC_EXCP_FP_VXSOFT;
875 env->error_code |= POWERPC_EXCP_FP_VXSQRT;
877 env->error_code |= POWERPC_EXCP_FP_VXCVI;
884 env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_OX;
891 env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_UX;
898 env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX;
905 env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_XX;
911 fpscr_set_rounding_mode();
916 /* Update the floating-point enabled exception summary */
917 env->fpscr |= 1 << FPSCR_FEX;
918 /* We have to update Rc1 before raising the exception */
919 env->exception_index = POWERPC_EXCP_PROGRAM;
925 void helper_store_fpscr (uint64_t arg, uint32_t mask)
928 * We use only the 32 LSB of the incoming fpr
936 new |= prev & 0x60000000;
937 for (i = 0; i < 8; i++) {
938 if (mask & (1 << i)) {
939 env->fpscr &= ~(0xF << (4 * i));
940 env->fpscr |= new & (0xF << (4 * i));
943 /* Update VX and FEX */
945 env->fpscr |= 1 << FPSCR_VX;
947 env->fpscr &= ~(1 << FPSCR_VX);
948 if ((fpscr_ex & fpscr_eex) != 0) {
949 env->fpscr |= 1 << FPSCR_FEX;
950 env->exception_index = POWERPC_EXCP_PROGRAM;
951 /* XXX: we should compute it properly */
952 env->error_code = POWERPC_EXCP_FP;
955 env->fpscr &= ~(1 << FPSCR_FEX);
956 fpscr_set_rounding_mode();
959 void helper_float_check_status (void)
961 #ifdef CONFIG_SOFTFLOAT
962 if (env->exception_index == POWERPC_EXCP_PROGRAM &&
963 (env->error_code & POWERPC_EXCP_FP)) {
964 /* Differred floating-point exception after target FPR update */
965 if (msr_fe0 != 0 || msr_fe1 != 0)
966 helper_raise_exception_err(env->exception_index, env->error_code);
968 int status = get_float_exception_flags(&env->fp_status);
969 if (status & float_flag_divbyzero) {
970 float_zero_divide_excp();
971 } else if (status & float_flag_overflow) {
972 float_overflow_excp();
973 } else if (status & float_flag_underflow) {
974 float_underflow_excp();
975 } else if (status & float_flag_inexact) {
976 float_inexact_excp();
980 if (env->exception_index == POWERPC_EXCP_PROGRAM &&
981 (env->error_code & POWERPC_EXCP_FP)) {
982 /* Differred floating-point exception after target FPR update */
983 if (msr_fe0 != 0 || msr_fe1 != 0)
984 helper_raise_exception_err(env->exception_index, env->error_code);
989 #ifdef CONFIG_SOFTFLOAT
990 void helper_reset_fpstatus (void)
992 set_float_exception_flags(0, &env->fp_status);
997 uint64_t helper_fadd (uint64_t arg1, uint64_t arg2)
999 CPU_DoubleU farg1, farg2;
1003 #if USE_PRECISE_EMULATION
1004 if (unlikely(float64_is_signaling_nan(farg1.d) ||
1005 float64_is_signaling_nan(farg2.d))) {
1007 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
1008 } else if (unlikely(float64_is_infinity(farg1.d) && float64_is_infinity(farg2.d) &&
1009 float64_is_neg(farg1.d) != float64_is_neg(farg2.d))) {
1010 /* Magnitude subtraction of infinities */
1011 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI);
1013 farg1.d = float64_add(farg1.d, farg2.d, &env->fp_status);
1016 farg1.d = float64_add(farg1.d, farg2.d, &env->fp_status);
1022 uint64_t helper_fsub (uint64_t arg1, uint64_t arg2)
1024 CPU_DoubleU farg1, farg2;
1028 #if USE_PRECISE_EMULATION
1030 if (unlikely(float64_is_signaling_nan(farg1.d) ||
1031 float64_is_signaling_nan(farg2.d))) {
1032 /* sNaN subtraction */
1033 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
1034 } else if (unlikely(float64_is_infinity(farg1.d) && float64_is_infinity(farg2.d) &&
1035 float64_is_neg(farg1.d) == float64_is_neg(farg2.d))) {
1036 /* Magnitude subtraction of infinities */
1037 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI);
1039 farg1.d = float64_sub(farg1.d, farg2.d, &env->fp_status);
1043 farg1.d = float64_sub(farg1.d, farg2.d, &env->fp_status);
1049 uint64_t helper_fmul (uint64_t arg1, uint64_t arg2)
1051 CPU_DoubleU farg1, farg2;
1055 #if USE_PRECISE_EMULATION
1056 if (unlikely(float64_is_signaling_nan(farg1.d) ||
1057 float64_is_signaling_nan(farg2.d))) {
1058 /* sNaN multiplication */
1059 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
1060 } else if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
1061 (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
1062 /* Multiplication of zero by infinity */
1063 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ);
1065 farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status);
1068 farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status);
1074 uint64_t helper_fdiv (uint64_t arg1, uint64_t arg2)
1076 CPU_DoubleU farg1, farg2;
1080 #if USE_PRECISE_EMULATION
1081 if (unlikely(float64_is_signaling_nan(farg1.d) ||
1082 float64_is_signaling_nan(farg2.d))) {
1084 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
1085 } else if (unlikely(float64_is_infinity(farg1.d) && float64_is_infinity(farg2.d))) {
1086 /* Division of infinity by infinity */
1087 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIDI);
1088 } else if (unlikely(float64_is_zero(farg1.d) && float64_is_zero(farg2.d))) {
1089 /* Division of zero by zero */
1090 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXZDZ);
1092 farg1.d = float64_div(farg1.d, farg2.d, &env->fp_status);
1095 farg1.d = float64_div(farg1.d, farg2.d, &env->fp_status);
1101 uint64_t helper_fabs (uint64_t arg)
1106 farg.d = float64_abs(farg.d);
1111 uint64_t helper_fnabs (uint64_t arg)
1116 farg.d = float64_abs(farg.d);
1117 farg.d = float64_chs(farg.d);
1122 uint64_t helper_fneg (uint64_t arg)
1127 farg.d = float64_chs(farg.d);
1131 /* fctiw - fctiw. */
1132 uint64_t helper_fctiw (uint64_t arg)
1137 if (unlikely(float64_is_signaling_nan(farg.d))) {
1138 /* sNaN conversion */
1139 farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI);
1140 } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) {
1141 /* qNan / infinity conversion */
1142 farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI);
1144 farg.ll = float64_to_int32(farg.d, &env->fp_status);
1145 #if USE_PRECISE_EMULATION
1146 /* XXX: higher bits are not supposed to be significant.
1147 * to make tests easier, return the same as a real PowerPC 750
1149 farg.ll |= 0xFFF80000ULL << 32;
1155 /* fctiwz - fctiwz. */
1156 uint64_t helper_fctiwz (uint64_t arg)
1161 if (unlikely(float64_is_signaling_nan(farg.d))) {
1162 /* sNaN conversion */
1163 farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI);
1164 } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) {
1165 /* qNan / infinity conversion */
1166 farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI);
1168 farg.ll = float64_to_int32_round_to_zero(farg.d, &env->fp_status);
1169 #if USE_PRECISE_EMULATION
1170 /* XXX: higher bits are not supposed to be significant.
1171 * to make tests easier, return the same as a real PowerPC 750
1173 farg.ll |= 0xFFF80000ULL << 32;
1179 #if defined(TARGET_PPC64)
1180 /* fcfid - fcfid. */
1181 uint64_t helper_fcfid (uint64_t arg)
1184 farg.d = int64_to_float64(arg, &env->fp_status);
1188 /* fctid - fctid. */
1189 uint64_t helper_fctid (uint64_t arg)
1194 if (unlikely(float64_is_signaling_nan(farg.d))) {
1195 /* sNaN conversion */
1196 farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI);
1197 } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) {
1198 /* qNan / infinity conversion */
1199 farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI);
1201 farg.ll = float64_to_int64(farg.d, &env->fp_status);
1206 /* fctidz - fctidz. */
1207 uint64_t helper_fctidz (uint64_t arg)
1212 if (unlikely(float64_is_signaling_nan(farg.d))) {
1213 /* sNaN conversion */
1214 farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI);
1215 } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) {
1216 /* qNan / infinity conversion */
1217 farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI);
1219 farg.ll = float64_to_int64_round_to_zero(farg.d, &env->fp_status);
1226 static always_inline uint64_t do_fri (uint64_t arg, int rounding_mode)
1231 if (unlikely(float64_is_signaling_nan(farg.d))) {
1233 farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI);
1234 } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) {
1235 /* qNan / infinity round */
1236 farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI);
1238 set_float_rounding_mode(rounding_mode, &env->fp_status);
1239 farg.ll = float64_round_to_int(farg.d, &env->fp_status);
1240 /* Restore rounding mode from FPSCR */
1241 fpscr_set_rounding_mode();
1246 uint64_t helper_frin (uint64_t arg)
1248 return do_fri(arg, float_round_nearest_even);
1251 uint64_t helper_friz (uint64_t arg)
1253 return do_fri(arg, float_round_to_zero);
1256 uint64_t helper_frip (uint64_t arg)
1258 return do_fri(arg, float_round_up);
1261 uint64_t helper_frim (uint64_t arg)
1263 return do_fri(arg, float_round_down);
1266 /* fmadd - fmadd. */
1267 uint64_t helper_fmadd (uint64_t arg1, uint64_t arg2, uint64_t arg3)
1269 CPU_DoubleU farg1, farg2, farg3;
1274 #if USE_PRECISE_EMULATION
1275 if (unlikely(float64_is_signaling_nan(farg1.d) ||
1276 float64_is_signaling_nan(farg2.d) ||
1277 float64_is_signaling_nan(farg3.d))) {
1278 /* sNaN operation */
1279 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
1280 } else if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
1281 (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
1282 /* Multiplication of zero by infinity */
1283 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ);
1286 /* This is the way the PowerPC specification defines it */
1287 float128 ft0_128, ft1_128;
1289 ft0_128 = float64_to_float128(farg1.d, &env->fp_status);
1290 ft1_128 = float64_to_float128(farg2.d, &env->fp_status);
1291 ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
1292 if (unlikely(float128_is_infinity(ft0_128) && float64_is_infinity(farg3.d) &&
1293 float128_is_neg(ft0_128) != float64_is_neg(farg3.d))) {
1294 /* Magnitude subtraction of infinities */
1295 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI);
1297 ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
1298 ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status);
1299 farg1.d = float128_to_float64(ft0_128, &env->fp_status);
1302 /* This is OK on x86 hosts */
1303 farg1.d = (farg1.d * farg2.d) + farg3.d;
1307 farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status);
1308 farg1.d = float64_add(farg1.d, farg3.d, &env->fp_status);
1313 /* fmsub - fmsub. */
1314 uint64_t helper_fmsub (uint64_t arg1, uint64_t arg2, uint64_t arg3)
1316 CPU_DoubleU farg1, farg2, farg3;
1321 #if USE_PRECISE_EMULATION
1322 if (unlikely(float64_is_signaling_nan(farg1.d) ||
1323 float64_is_signaling_nan(farg2.d) ||
1324 float64_is_signaling_nan(farg3.d))) {
1325 /* sNaN operation */
1326 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
1327 } else if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
1328 (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
1329 /* Multiplication of zero by infinity */
1330 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ);
1333 /* This is the way the PowerPC specification defines it */
1334 float128 ft0_128, ft1_128;
1336 ft0_128 = float64_to_float128(farg1.d, &env->fp_status);
1337 ft1_128 = float64_to_float128(farg2.d, &env->fp_status);
1338 ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
1339 if (unlikely(float128_is_infinity(ft0_128) && float64_is_infinity(farg3.d) &&
1340 float128_is_neg(ft0_128) == float64_is_neg(farg3.d))) {
1341 /* Magnitude subtraction of infinities */
1342 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI);
1344 ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
1345 ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status);
1346 farg1.d = float128_to_float64(ft0_128, &env->fp_status);
1349 /* This is OK on x86 hosts */
1350 farg1.d = (farg1.d * farg2.d) - farg3.d;
1354 farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status);
1355 farg1.d = float64_sub(farg1.d, farg3.d, &env->fp_status);
1360 /* fnmadd - fnmadd. */
1361 uint64_t helper_fnmadd (uint64_t arg1, uint64_t arg2, uint64_t arg3)
1363 CPU_DoubleU farg1, farg2, farg3;
1369 if (unlikely(float64_is_signaling_nan(farg1.d) ||
1370 float64_is_signaling_nan(farg2.d) ||
1371 float64_is_signaling_nan(farg3.d))) {
1372 /* sNaN operation */
1373 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
1374 } else if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
1375 (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
1376 /* Multiplication of zero by infinity */
1377 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ);
1379 #if USE_PRECISE_EMULATION
1381 /* This is the way the PowerPC specification defines it */
1382 float128 ft0_128, ft1_128;
1384 ft0_128 = float64_to_float128(farg1.d, &env->fp_status);
1385 ft1_128 = float64_to_float128(farg2.d, &env->fp_status);
1386 ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
1387 if (unlikely(float128_is_infinity(ft0_128) && float64_is_infinity(farg3.d) &&
1388 float128_is_neg(ft0_128) != float64_is_neg(farg3.d))) {
1389 /* Magnitude subtraction of infinities */
1390 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI);
1392 ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
1393 ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status);
1394 farg1.d = float128_to_float64(ft0_128, &env->fp_status);
1397 /* This is OK on x86 hosts */
1398 farg1.d = (farg1.d * farg2.d) + farg3.d;
1401 farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status);
1402 farg1.d = float64_add(farg1.d, farg3.d, &env->fp_status);
1404 if (likely(!float64_is_nan(farg1.d)))
1405 farg1.d = float64_chs(farg1.d);
1410 /* fnmsub - fnmsub. */
1411 uint64_t helper_fnmsub (uint64_t arg1, uint64_t arg2, uint64_t arg3)
1413 CPU_DoubleU farg1, farg2, farg3;
1419 if (unlikely(float64_is_signaling_nan(farg1.d) ||
1420 float64_is_signaling_nan(farg2.d) ||
1421 float64_is_signaling_nan(farg3.d))) {
1422 /* sNaN operation */
1423 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
1424 } else if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
1425 (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
1426 /* Multiplication of zero by infinity */
1427 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ);
1429 #if USE_PRECISE_EMULATION
1431 /* This is the way the PowerPC specification defines it */
1432 float128 ft0_128, ft1_128;
1434 ft0_128 = float64_to_float128(farg1.d, &env->fp_status);
1435 ft1_128 = float64_to_float128(farg2.d, &env->fp_status);
1436 ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
1437 if (unlikely(float128_is_infinity(ft0_128) && float64_is_infinity(farg3.d) &&
1438 float128_is_neg(ft0_128) == float64_is_neg(farg3.d))) {
1439 /* Magnitude subtraction of infinities */
1440 farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI);
1442 ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
1443 ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status);
1444 farg1.d = float128_to_float64(ft0_128, &env->fp_status);
1447 /* This is OK on x86 hosts */
1448 farg1.d = (farg1.d * farg2.d) - farg3.d;
1451 farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status);
1452 farg1.d = float64_sub(farg1.d, farg3.d, &env->fp_status);
1454 if (likely(!float64_is_nan(farg1.d)))
1455 farg1.d = float64_chs(farg1.d);
1461 uint64_t helper_frsp (uint64_t arg)
1467 #if USE_PRECISE_EMULATION
1468 if (unlikely(float64_is_signaling_nan(farg.d))) {
1469 /* sNaN square root */
1470 farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
1472 f32 = float64_to_float32(farg.d, &env->fp_status);
1473 farg.d = float32_to_float64(f32, &env->fp_status);
1476 f32 = float64_to_float32(farg.d, &env->fp_status);
1477 farg.d = float32_to_float64(f32, &env->fp_status);
1482 /* fsqrt - fsqrt. */
1483 uint64_t helper_fsqrt (uint64_t arg)
1488 if (unlikely(float64_is_signaling_nan(farg.d))) {
1489 /* sNaN square root */
1490 farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
1491 } else if (unlikely(float64_is_neg(farg.d) && !float64_is_zero(farg.d))) {
1492 /* Square root of a negative nonzero number */
1493 farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSQRT);
1495 farg.d = float64_sqrt(farg.d, &env->fp_status);
1501 uint64_t helper_fre (uint64_t arg)
1503 CPU_DoubleU fone, farg;
1504 fone.ll = 0x3FF0000000000000ULL; /* 1.0 */
1507 if (unlikely(float64_is_signaling_nan(farg.d))) {
1508 /* sNaN reciprocal */
1509 farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
1511 farg.d = float64_div(fone.d, farg.d, &env->fp_status);
1517 uint64_t helper_fres (uint64_t arg)
1519 CPU_DoubleU fone, farg;
1521 fone.ll = 0x3FF0000000000000ULL; /* 1.0 */
1524 if (unlikely(float64_is_signaling_nan(farg.d))) {
1525 /* sNaN reciprocal */
1526 farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
1528 farg.d = float64_div(fone.d, farg.d, &env->fp_status);
1529 f32 = float64_to_float32(farg.d, &env->fp_status);
1530 farg.d = float32_to_float64(f32, &env->fp_status);
1535 /* frsqrte - frsqrte. */
1536 uint64_t helper_frsqrte (uint64_t arg)
1538 CPU_DoubleU fone, farg;
1540 fone.ll = 0x3FF0000000000000ULL; /* 1.0 */
1543 if (unlikely(float64_is_signaling_nan(farg.d))) {
1544 /* sNaN reciprocal square root */
1545 farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
1546 } else if (unlikely(float64_is_neg(farg.d) && !float64_is_zero(farg.d))) {
1547 /* Reciprocal square root of a negative nonzero number */
1548 farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSQRT);
1550 farg.d = float64_sqrt(farg.d, &env->fp_status);
1551 farg.d = float64_div(fone.d, farg.d, &env->fp_status);
1552 f32 = float64_to_float32(farg.d, &env->fp_status);
1553 farg.d = float32_to_float64(f32, &env->fp_status);
1559 uint64_t helper_fsel (uint64_t arg1, uint64_t arg2, uint64_t arg3)
1565 if ((!float64_is_neg(farg1.d) || float64_is_zero(farg1.d)) && !float64_is_nan(farg1.d))
1571 void helper_fcmpu (uint64_t arg1, uint64_t arg2, uint32_t crfD)
1573 CPU_DoubleU farg1, farg2;
1578 if (unlikely(float64_is_nan(farg1.d) ||
1579 float64_is_nan(farg2.d))) {
1581 } else if (float64_lt(farg1.d, farg2.d, &env->fp_status)) {
1583 } else if (!float64_le(farg1.d, farg2.d, &env->fp_status)) {
1589 env->fpscr &= ~(0x0F << FPSCR_FPRF);
1590 env->fpscr |= ret << FPSCR_FPRF;
1591 env->crf[crfD] = ret;
1592 if (unlikely(ret == 0x01UL
1593 && (float64_is_signaling_nan(farg1.d) ||
1594 float64_is_signaling_nan(farg2.d)))) {
1595 /* sNaN comparison */
1596 fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
1600 void helper_fcmpo (uint64_t arg1, uint64_t arg2, uint32_t crfD)
1602 CPU_DoubleU farg1, farg2;
1607 if (unlikely(float64_is_nan(farg1.d) ||
1608 float64_is_nan(farg2.d))) {
1610 } else if (float64_lt(farg1.d, farg2.d, &env->fp_status)) {
1612 } else if (!float64_le(farg1.d, farg2.d, &env->fp_status)) {
1618 env->fpscr &= ~(0x0F << FPSCR_FPRF);
1619 env->fpscr |= ret << FPSCR_FPRF;
1620 env->crf[crfD] = ret;
1621 if (unlikely (ret == 0x01UL)) {
1622 if (float64_is_signaling_nan(farg1.d) ||
1623 float64_is_signaling_nan(farg2.d)) {
1624 /* sNaN comparison */
1625 fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN |
1626 POWERPC_EXCP_FP_VXVC);
1628 /* qNaN comparison */
1629 fload_invalid_op_excp(POWERPC_EXCP_FP_VXVC);
1634 #if !defined (CONFIG_USER_ONLY)
1635 void helper_store_msr (target_ulong val)
1637 val = hreg_store_msr(env, val, 0);
1639 env->interrupt_request |= CPU_INTERRUPT_EXITTB;
1640 helper_raise_exception(val);
1644 static always_inline void do_rfi (target_ulong nip, target_ulong msr,
1645 target_ulong msrm, int keep_msrh)
1647 #if defined(TARGET_PPC64)
1648 if (msr & (1ULL << MSR_SF)) {
1649 nip = (uint64_t)nip;
1650 msr &= (uint64_t)msrm;
1652 nip = (uint32_t)nip;
1653 msr = (uint32_t)(msr & msrm);
1655 msr |= env->msr & ~((uint64_t)0xFFFFFFFF);
1658 nip = (uint32_t)nip;
1659 msr &= (uint32_t)msrm;
1661 /* XXX: beware: this is false if VLE is supported */
1662 env->nip = nip & ~((target_ulong)0x00000003);
1663 hreg_store_msr(env, msr, 1);
1664 #if defined (DEBUG_OP)
1665 cpu_dump_rfi(env->nip, env->msr);
1667 /* No need to raise an exception here,
1668 * as rfi is always the last insn of a TB
1670 env->interrupt_request |= CPU_INTERRUPT_EXITTB;
1673 void helper_rfi (void)
1675 do_rfi(env->spr[SPR_SRR0], env->spr[SPR_SRR1],
1676 ~((target_ulong)0xFFFF0000), 1);
1679 #if defined(TARGET_PPC64)
1680 void helper_rfid (void)
1682 do_rfi(env->spr[SPR_SRR0], env->spr[SPR_SRR1],
1683 ~((target_ulong)0xFFFF0000), 0);
1686 void helper_hrfid (void)
1688 do_rfi(env->spr[SPR_HSRR0], env->spr[SPR_HSRR1],
1689 ~((target_ulong)0xFFFF0000), 0);
1694 void helper_tw (target_ulong arg1, target_ulong arg2, uint32_t flags)
1696 if (!likely(!(((int32_t)arg1 < (int32_t)arg2 && (flags & 0x10)) ||
1697 ((int32_t)arg1 > (int32_t)arg2 && (flags & 0x08)) ||
1698 ((int32_t)arg1 == (int32_t)arg2 && (flags & 0x04)) ||
1699 ((uint32_t)arg1 < (uint32_t)arg2 && (flags & 0x02)) ||
1700 ((uint32_t)arg1 > (uint32_t)arg2 && (flags & 0x01))))) {
1701 helper_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
1705 #if defined(TARGET_PPC64)
1706 void helper_td (target_ulong arg1, target_ulong arg2, uint32_t flags)
1708 if (!likely(!(((int64_t)arg1 < (int64_t)arg2 && (flags & 0x10)) ||
1709 ((int64_t)arg1 > (int64_t)arg2 && (flags & 0x08)) ||
1710 ((int64_t)arg1 == (int64_t)arg2 && (flags & 0x04)) ||
1711 ((uint64_t)arg1 < (uint64_t)arg2 && (flags & 0x02)) ||
1712 ((uint64_t)arg1 > (uint64_t)arg2 && (flags & 0x01)))))
1713 helper_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
1717 /*****************************************************************************/
1718 /* PowerPC 601 specific instructions (POWER bridge) */
1720 target_ulong helper_clcs (uint32_t arg)
1724 /* Instruction cache line size */
1725 return env->icache_line_size;
1728 /* Data cache line size */
1729 return env->dcache_line_size;
1732 /* Minimum cache line size */
1733 return (env->icache_line_size < env->dcache_line_size) ?
1734 env->icache_line_size : env->dcache_line_size;
1737 /* Maximum cache line size */
1738 return (env->icache_line_size > env->dcache_line_size) ?
1739 env->icache_line_size : env->dcache_line_size;
1748 target_ulong helper_div (target_ulong arg1, target_ulong arg2)
1750 uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ];
1752 if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) ||
1753 (int32_t)arg2 == 0) {
1754 env->spr[SPR_MQ] = 0;
1757 env->spr[SPR_MQ] = tmp % arg2;
1758 return tmp / (int32_t)arg2;
1762 target_ulong helper_divo (target_ulong arg1, target_ulong arg2)
1764 uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ];
1766 if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) ||
1767 (int32_t)arg2 == 0) {
1768 env->xer |= (1 << XER_OV) | (1 << XER_SO);
1769 env->spr[SPR_MQ] = 0;
1772 env->spr[SPR_MQ] = tmp % arg2;
1773 tmp /= (int32_t)arg2;
1774 if ((int32_t)tmp != tmp) {
1775 env->xer |= (1 << XER_OV) | (1 << XER_SO);
1777 env->xer &= ~(1 << XER_OV);
1783 target_ulong helper_divs (target_ulong arg1, target_ulong arg2)
1785 if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) ||
1786 (int32_t)arg2 == 0) {
1787 env->spr[SPR_MQ] = 0;
1790 env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2;
1791 return (int32_t)arg1 / (int32_t)arg2;
1795 target_ulong helper_divso (target_ulong arg1, target_ulong arg2)
1797 if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) ||
1798 (int32_t)arg2 == 0) {
1799 env->xer |= (1 << XER_OV) | (1 << XER_SO);
1800 env->spr[SPR_MQ] = 0;
1803 env->xer &= ~(1 << XER_OV);
1804 env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2;
1805 return (int32_t)arg1 / (int32_t)arg2;
1809 #if !defined (CONFIG_USER_ONLY)
1810 target_ulong helper_rac (target_ulong addr)
1814 target_ulong ret = 0;
1816 /* We don't have to generate many instances of this instruction,
1817 * as rac is supervisor only.
1819 /* XXX: FIX THIS: Pretend we have no BAT */
1820 nb_BATs = env->nb_BATs;
1822 if (get_physical_address(env, &ctx, addr, 0, ACCESS_INT) == 0)
1824 env->nb_BATs = nb_BATs;
1828 void helper_rfsvc (void)
1830 do_rfi(env->lr, env->ctr, 0x0000FFFF, 0);
1834 /*****************************************************************************/
1835 /* 602 specific instructions */
1836 /* mfrom is the most crazy instruction ever seen, imho ! */
1837 /* Real implementation uses a ROM table. Do the same */
1838 /* Extremly decomposed:
1840 * return 256 * log10(10 + 1.0) + 0.5
1842 #if !defined (CONFIG_USER_ONLY)
1843 target_ulong helper_602_mfrom (target_ulong arg)
1845 if (likely(arg < 602)) {
1846 #include "mfrom_table.c"
1847 return mfrom_ROM_table[arg];
1854 /*****************************************************************************/
1855 /* Embedded PowerPC specific helpers */
1857 /* XXX: to be improved to check access rights when in user-mode */
1858 target_ulong helper_load_dcr (target_ulong dcrn)
1860 target_ulong val = 0;
1862 if (unlikely(env->dcr_env == NULL)) {
1863 if (loglevel != 0) {
1864 fprintf(logfile, "No DCR environment\n");
1866 helper_raise_exception_err(POWERPC_EXCP_PROGRAM,
1867 POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
1868 } else if (unlikely(ppc_dcr_read(env->dcr_env, dcrn, &val) != 0)) {
1869 if (loglevel != 0) {
1870 fprintf(logfile, "DCR read error %d %03x\n", (int)dcrn, (int)dcrn);
1872 helper_raise_exception_err(POWERPC_EXCP_PROGRAM,
1873 POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
1878 void helper_store_dcr (target_ulong dcrn, target_ulong val)
1880 if (unlikely(env->dcr_env == NULL)) {
1881 if (loglevel != 0) {
1882 fprintf(logfile, "No DCR environment\n");
1884 helper_raise_exception_err(POWERPC_EXCP_PROGRAM,
1885 POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
1886 } else if (unlikely(ppc_dcr_write(env->dcr_env, dcrn, val) != 0)) {
1887 if (loglevel != 0) {
1888 fprintf(logfile, "DCR write error %d %03x\n", (int)dcrn, (int)dcrn);
1890 helper_raise_exception_err(POWERPC_EXCP_PROGRAM,
1891 POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
1895 #if !defined(CONFIG_USER_ONLY)
1896 void helper_40x_rfci (void)
1898 do_rfi(env->spr[SPR_40x_SRR2], env->spr[SPR_40x_SRR3],
1899 ~((target_ulong)0xFFFF0000), 0);
1902 void helper_rfci (void)
1904 do_rfi(env->spr[SPR_BOOKE_CSRR0], SPR_BOOKE_CSRR1,
1905 ~((target_ulong)0x3FFF0000), 0);
1908 void helper_rfdi (void)
1910 do_rfi(env->spr[SPR_BOOKE_DSRR0], SPR_BOOKE_DSRR1,
1911 ~((target_ulong)0x3FFF0000), 0);
1914 void helper_rfmci (void)
1916 do_rfi(env->spr[SPR_BOOKE_MCSRR0], SPR_BOOKE_MCSRR1,
1917 ~((target_ulong)0x3FFF0000), 0);
1922 target_ulong helper_dlmzb (target_ulong high, target_ulong low, uint32_t update_Rc)
1928 for (mask = 0xFF000000; mask != 0; mask = mask >> 8) {
1929 if ((high & mask) == 0) {
1937 for (mask = 0xFF000000; mask != 0; mask = mask >> 8) {
1938 if ((low & mask) == 0) {
1950 env->xer = (env->xer & ~0x7F) | i;
1952 env->crf[0] |= xer_so;
1957 /*****************************************************************************/
1958 /* Altivec extension helpers */
1959 #if defined(WORDS_BIGENDIAN)
1967 #if defined(WORDS_BIGENDIAN)
1968 #define VECTOR_FOR_INORDER_I(index, element) \
1969 for (index = 0; index < ARRAY_SIZE(r->element); index++)
1971 #define VECTOR_FOR_INORDER_I(index, element) \
1972 for (index = ARRAY_SIZE(r->element)-1; index >= 0; index--)
1975 void helper_lvsl (ppc_avr_t *r, target_ulong sh)
1977 int i, j = (sh & 0xf);
1979 VECTOR_FOR_INORDER_I (i, u8) {
1984 void helper_lvsr (ppc_avr_t *r, target_ulong sh)
1986 int i, j = 0x10 - (sh & 0xf);
1988 VECTOR_FOR_INORDER_I (i, u8) {
1993 void helper_vaddcuw (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
1996 for (i = 0; i < ARRAY_SIZE(r->u32); i++) {
1997 r->u32[i] = ~a->u32[i] < b->u32[i];
2001 #define VARITH_DO(name, op, element) \
2002 void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
2005 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
2006 r->element[i] = a->element[i] op b->element[i]; \
2009 #define VARITH(suffix, element) \
2010 VARITH_DO(add##suffix, +, element) \
2011 VARITH_DO(sub##suffix, -, element)
2018 #define VAVG_DO(name, element, etype) \
2019 void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
2022 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
2023 etype x = (etype)a->element[i] + (etype)b->element[i] + 1; \
2024 r->element[i] = x >> 1; \
2028 #define VAVG(type, signed_element, signed_type, unsigned_element, unsigned_type) \
2029 VAVG_DO(avgs##type, signed_element, signed_type) \
2030 VAVG_DO(avgu##type, unsigned_element, unsigned_type)
2031 VAVG(b, s8, int16_t, u8, uint16_t)
2032 VAVG(h, s16, int32_t, u16, uint32_t)
2033 VAVG(w, s32, int64_t, u32, uint64_t)
2037 #define VMINMAX_DO(name, compare, element) \
2038 void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
2041 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
2042 if (a->element[i] compare b->element[i]) { \
2043 r->element[i] = b->element[i]; \
2045 r->element[i] = a->element[i]; \
2049 #define VMINMAX(suffix, element) \
2050 VMINMAX_DO(min##suffix, >, element) \
2051 VMINMAX_DO(max##suffix, <, element)
2061 #define VMRG_DO(name, element, highp) \
2062 void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
2066 size_t n_elems = ARRAY_SIZE(r->element); \
2067 for (i = 0; i < n_elems/2; i++) { \
2069 result.element[i*2+HI_IDX] = a->element[i]; \
2070 result.element[i*2+LO_IDX] = b->element[i]; \
2072 result.element[n_elems - i*2 - (1+HI_IDX)] = b->element[n_elems - i - 1]; \
2073 result.element[n_elems - i*2 - (1+LO_IDX)] = a->element[n_elems - i - 1]; \
2078 #if defined(WORDS_BIGENDIAN)
2085 #define VMRG(suffix, element) \
2086 VMRG_DO(mrgl##suffix, element, MRGHI) \
2087 VMRG_DO(mrgh##suffix, element, MRGLO)
2096 #define VMUL_DO(name, mul_element, prod_element, evenp) \
2097 void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
2100 VECTOR_FOR_INORDER_I(i, prod_element) { \
2102 r->prod_element[i] = a->mul_element[i*2+HI_IDX] * b->mul_element[i*2+HI_IDX]; \
2104 r->prod_element[i] = a->mul_element[i*2+LO_IDX] * b->mul_element[i*2+LO_IDX]; \
2108 #define VMUL(suffix, mul_element, prod_element) \
2109 VMUL_DO(mule##suffix, mul_element, prod_element, 1) \
2110 VMUL_DO(mulo##suffix, mul_element, prod_element, 0)
2118 #define VROTATE(suffix, element) \
2119 void helper_vrl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
2122 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
2123 unsigned int mask = ((1 << (3 + (sizeof (a->element[0]) >> 1))) - 1); \
2124 unsigned int shift = b->element[i] & mask; \
2125 r->element[i] = (a->element[i] << shift) | (a->element[i] >> (sizeof(a->element[0]) * 8 - shift)); \
2133 #define VSL(suffix, element) \
2134 void helper_vsl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
2137 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
2138 unsigned int mask = ((1 << (3 + (sizeof (a->element[0]) >> 1))) - 1); \
2139 unsigned int shift = b->element[i] & mask; \
2140 r->element[i] = a->element[i] << shift; \
2148 void helper_vslo (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
2150 int sh = (b->u8[LO_IDX*0xf] >> 3) & 0xf;
2152 #if defined (WORDS_BIGENDIAN)
2153 memmove (&r->u8[0], &a->u8[sh], 16-sh);
2154 memset (&r->u8[16-sh], 0, sh);
2156 memmove (&r->u8[sh], &a->u8[0], 16-sh);
2157 memset (&r->u8[0], 0, sh);
2161 #define VSR(suffix, element) \
2162 void helper_vsr##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
2165 for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
2166 unsigned int mask = ((1 << (3 + (sizeof (a->element[0]) >> 1))) - 1); \
2167 unsigned int shift = b->element[i] & mask; \
2168 r->element[i] = a->element[i] >> shift; \
2179 void helper_vsro (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
2181 int sh = (b->u8[LO_IDX*0xf] >> 3) & 0xf;
2183 #if defined (WORDS_BIGENDIAN)
2184 memmove (&r->u8[sh], &a->u8[0], 16-sh);
2185 memset (&r->u8[0], 0, sh);
2187 memmove (&r->u8[0], &a->u8[sh], 16-sh);
2188 memset (&r->u8[16-sh], 0, sh);
2192 void helper_vsubcuw (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
2195 for (i = 0; i < ARRAY_SIZE(r->u32); i++) {
2196 r->u32[i] = a->u32[i] >= b->u32[i];
2200 #undef VECTOR_FOR_INORDER_I
2204 /*****************************************************************************/
2205 /* SPE extension helpers */
2206 /* Use a table to make this quicker */
2207 static uint8_t hbrev[16] = {
2208 0x0, 0x8, 0x4, 0xC, 0x2, 0xA, 0x6, 0xE,
2209 0x1, 0x9, 0x5, 0xD, 0x3, 0xB, 0x7, 0xF,
2212 static always_inline uint8_t byte_reverse (uint8_t val)
2214 return hbrev[val >> 4] | (hbrev[val & 0xF] << 4);
2217 static always_inline uint32_t word_reverse (uint32_t val)
2219 return byte_reverse(val >> 24) | (byte_reverse(val >> 16) << 8) |
2220 (byte_reverse(val >> 8) << 16) | (byte_reverse(val) << 24);
2223 #define MASKBITS 16 // Random value - to be fixed (implementation dependant)
2224 target_ulong helper_brinc (target_ulong arg1, target_ulong arg2)
2226 uint32_t a, b, d, mask;
2228 mask = UINT32_MAX >> (32 - MASKBITS);
2231 d = word_reverse(1 + word_reverse(a | ~b));
2232 return (arg1 & ~mask) | (d & b);
2235 uint32_t helper_cntlsw32 (uint32_t val)
2237 if (val & 0x80000000)
2243 uint32_t helper_cntlzw32 (uint32_t val)
2248 /* Single-precision floating-point conversions */
2249 static always_inline uint32_t efscfsi (uint32_t val)
2253 u.f = int32_to_float32(val, &env->spe_status);
2258 static always_inline uint32_t efscfui (uint32_t val)
2262 u.f = uint32_to_float32(val, &env->spe_status);
2267 static always_inline int32_t efsctsi (uint32_t val)
2272 /* NaN are not treated the same way IEEE 754 does */
2273 if (unlikely(float32_is_nan(u.f)))
2276 return float32_to_int32(u.f, &env->spe_status);
2279 static always_inline uint32_t efsctui (uint32_t val)
2284 /* NaN are not treated the same way IEEE 754 does */
2285 if (unlikely(float32_is_nan(u.f)))
2288 return float32_to_uint32(u.f, &env->spe_status);
2291 static always_inline uint32_t efsctsiz (uint32_t val)
2296 /* NaN are not treated the same way IEEE 754 does */
2297 if (unlikely(float32_is_nan(u.f)))
2300 return float32_to_int32_round_to_zero(u.f, &env->spe_status);
2303 static always_inline uint32_t efsctuiz (uint32_t val)
2308 /* NaN are not treated the same way IEEE 754 does */
2309 if (unlikely(float32_is_nan(u.f)))
2312 return float32_to_uint32_round_to_zero(u.f, &env->spe_status);
2315 static always_inline uint32_t efscfsf (uint32_t val)
2320 u.f = int32_to_float32(val, &env->spe_status);
2321 tmp = int64_to_float32(1ULL << 32, &env->spe_status);
2322 u.f = float32_div(u.f, tmp, &env->spe_status);
2327 static always_inline uint32_t efscfuf (uint32_t val)
2332 u.f = uint32_to_float32(val, &env->spe_status);
2333 tmp = uint64_to_float32(1ULL << 32, &env->spe_status);
2334 u.f = float32_div(u.f, tmp, &env->spe_status);
2339 static always_inline uint32_t efsctsf (uint32_t val)
2345 /* NaN are not treated the same way IEEE 754 does */
2346 if (unlikely(float32_is_nan(u.f)))
2348 tmp = uint64_to_float32(1ULL << 32, &env->spe_status);
2349 u.f = float32_mul(u.f, tmp, &env->spe_status);
2351 return float32_to_int32(u.f, &env->spe_status);
2354 static always_inline uint32_t efsctuf (uint32_t val)
2360 /* NaN are not treated the same way IEEE 754 does */
2361 if (unlikely(float32_is_nan(u.f)))
2363 tmp = uint64_to_float32(1ULL << 32, &env->spe_status);
2364 u.f = float32_mul(u.f, tmp, &env->spe_status);
2366 return float32_to_uint32(u.f, &env->spe_status);
2369 #define HELPER_SPE_SINGLE_CONV(name) \
2370 uint32_t helper_e##name (uint32_t val) \
2372 return e##name(val); \
2375 HELPER_SPE_SINGLE_CONV(fscfsi);
2377 HELPER_SPE_SINGLE_CONV(fscfui);
2379 HELPER_SPE_SINGLE_CONV(fscfuf);
2381 HELPER_SPE_SINGLE_CONV(fscfsf);
2383 HELPER_SPE_SINGLE_CONV(fsctsi);
2385 HELPER_SPE_SINGLE_CONV(fsctui);
2387 HELPER_SPE_SINGLE_CONV(fsctsiz);
2389 HELPER_SPE_SINGLE_CONV(fsctuiz);
2391 HELPER_SPE_SINGLE_CONV(fsctsf);
2393 HELPER_SPE_SINGLE_CONV(fsctuf);
2395 #define HELPER_SPE_VECTOR_CONV(name) \
2396 uint64_t helper_ev##name (uint64_t val) \
2398 return ((uint64_t)e##name(val >> 32) << 32) | \
2399 (uint64_t)e##name(val); \
2402 HELPER_SPE_VECTOR_CONV(fscfsi);
2404 HELPER_SPE_VECTOR_CONV(fscfui);
2406 HELPER_SPE_VECTOR_CONV(fscfuf);
2408 HELPER_SPE_VECTOR_CONV(fscfsf);
2410 HELPER_SPE_VECTOR_CONV(fsctsi);
2412 HELPER_SPE_VECTOR_CONV(fsctui);
2414 HELPER_SPE_VECTOR_CONV(fsctsiz);
2416 HELPER_SPE_VECTOR_CONV(fsctuiz);
2418 HELPER_SPE_VECTOR_CONV(fsctsf);
2420 HELPER_SPE_VECTOR_CONV(fsctuf);
2422 /* Single-precision floating-point arithmetic */
2423 static always_inline uint32_t efsadd (uint32_t op1, uint32_t op2)
2428 u1.f = float32_add(u1.f, u2.f, &env->spe_status);
2432 static always_inline uint32_t efssub (uint32_t op1, uint32_t op2)
2437 u1.f = float32_sub(u1.f, u2.f, &env->spe_status);
2441 static always_inline uint32_t efsmul (uint32_t op1, uint32_t op2)
2446 u1.f = float32_mul(u1.f, u2.f, &env->spe_status);
2450 static always_inline uint32_t efsdiv (uint32_t op1, uint32_t op2)
2455 u1.f = float32_div(u1.f, u2.f, &env->spe_status);
2459 #define HELPER_SPE_SINGLE_ARITH(name) \
2460 uint32_t helper_e##name (uint32_t op1, uint32_t op2) \
2462 return e##name(op1, op2); \
2465 HELPER_SPE_SINGLE_ARITH(fsadd);
2467 HELPER_SPE_SINGLE_ARITH(fssub);
2469 HELPER_SPE_SINGLE_ARITH(fsmul);
2471 HELPER_SPE_SINGLE_ARITH(fsdiv);
2473 #define HELPER_SPE_VECTOR_ARITH(name) \
2474 uint64_t helper_ev##name (uint64_t op1, uint64_t op2) \
2476 return ((uint64_t)e##name(op1 >> 32, op2 >> 32) << 32) | \
2477 (uint64_t)e##name(op1, op2); \
2480 HELPER_SPE_VECTOR_ARITH(fsadd);
2482 HELPER_SPE_VECTOR_ARITH(fssub);
2484 HELPER_SPE_VECTOR_ARITH(fsmul);
2486 HELPER_SPE_VECTOR_ARITH(fsdiv);
2488 /* Single-precision floating-point comparisons */
2489 static always_inline uint32_t efststlt (uint32_t op1, uint32_t op2)
2494 return float32_lt(u1.f, u2.f, &env->spe_status) ? 4 : 0;
2497 static always_inline uint32_t efststgt (uint32_t op1, uint32_t op2)
2502 return float32_le(u1.f, u2.f, &env->spe_status) ? 0 : 4;
2505 static always_inline uint32_t efststeq (uint32_t op1, uint32_t op2)
2510 return float32_eq(u1.f, u2.f, &env->spe_status) ? 4 : 0;
2513 static always_inline uint32_t efscmplt (uint32_t op1, uint32_t op2)
2515 /* XXX: TODO: test special values (NaN, infinites, ...) */
2516 return efststlt(op1, op2);
2519 static always_inline uint32_t efscmpgt (uint32_t op1, uint32_t op2)
2521 /* XXX: TODO: test special values (NaN, infinites, ...) */
2522 return efststgt(op1, op2);
2525 static always_inline uint32_t efscmpeq (uint32_t op1, uint32_t op2)
2527 /* XXX: TODO: test special values (NaN, infinites, ...) */
2528 return efststeq(op1, op2);
2531 #define HELPER_SINGLE_SPE_CMP(name) \
2532 uint32_t helper_e##name (uint32_t op1, uint32_t op2) \
2534 return e##name(op1, op2) << 2; \
2537 HELPER_SINGLE_SPE_CMP(fststlt);
2539 HELPER_SINGLE_SPE_CMP(fststgt);
2541 HELPER_SINGLE_SPE_CMP(fststeq);
2543 HELPER_SINGLE_SPE_CMP(fscmplt);
2545 HELPER_SINGLE_SPE_CMP(fscmpgt);
2547 HELPER_SINGLE_SPE_CMP(fscmpeq);
2549 static always_inline uint32_t evcmp_merge (int t0, int t1)
2551 return (t0 << 3) | (t1 << 2) | ((t0 | t1) << 1) | (t0 & t1);
2554 #define HELPER_VECTOR_SPE_CMP(name) \
2555 uint32_t helper_ev##name (uint64_t op1, uint64_t op2) \
2557 return evcmp_merge(e##name(op1 >> 32, op2 >> 32), e##name(op1, op2)); \
2560 HELPER_VECTOR_SPE_CMP(fststlt);
2562 HELPER_VECTOR_SPE_CMP(fststgt);
2564 HELPER_VECTOR_SPE_CMP(fststeq);
2566 HELPER_VECTOR_SPE_CMP(fscmplt);
2568 HELPER_VECTOR_SPE_CMP(fscmpgt);
2570 HELPER_VECTOR_SPE_CMP(fscmpeq);
2572 /* Double-precision floating-point conversion */
2573 uint64_t helper_efdcfsi (uint32_t val)
2577 u.d = int32_to_float64(val, &env->spe_status);
2582 uint64_t helper_efdcfsid (uint64_t val)
2586 u.d = int64_to_float64(val, &env->spe_status);
2591 uint64_t helper_efdcfui (uint32_t val)
2595 u.d = uint32_to_float64(val, &env->spe_status);
2600 uint64_t helper_efdcfuid (uint64_t val)
2604 u.d = uint64_to_float64(val, &env->spe_status);
2609 uint32_t helper_efdctsi (uint64_t val)
2614 /* NaN are not treated the same way IEEE 754 does */
2615 if (unlikely(float64_is_nan(u.d)))
2618 return float64_to_int32(u.d, &env->spe_status);
2621 uint32_t helper_efdctui (uint64_t val)
2626 /* NaN are not treated the same way IEEE 754 does */
2627 if (unlikely(float64_is_nan(u.d)))
2630 return float64_to_uint32(u.d, &env->spe_status);
2633 uint32_t helper_efdctsiz (uint64_t val)
2638 /* NaN are not treated the same way IEEE 754 does */
2639 if (unlikely(float64_is_nan(u.d)))
2642 return float64_to_int32_round_to_zero(u.d, &env->spe_status);
2645 uint64_t helper_efdctsidz (uint64_t val)
2650 /* NaN are not treated the same way IEEE 754 does */
2651 if (unlikely(float64_is_nan(u.d)))
2654 return float64_to_int64_round_to_zero(u.d, &env->spe_status);
2657 uint32_t helper_efdctuiz (uint64_t val)
2662 /* NaN are not treated the same way IEEE 754 does */
2663 if (unlikely(float64_is_nan(u.d)))
2666 return float64_to_uint32_round_to_zero(u.d, &env->spe_status);
2669 uint64_t helper_efdctuidz (uint64_t val)
2674 /* NaN are not treated the same way IEEE 754 does */
2675 if (unlikely(float64_is_nan(u.d)))
2678 return float64_to_uint64_round_to_zero(u.d, &env->spe_status);
2681 uint64_t helper_efdcfsf (uint32_t val)
2686 u.d = int32_to_float64(val, &env->spe_status);
2687 tmp = int64_to_float64(1ULL << 32, &env->spe_status);
2688 u.d = float64_div(u.d, tmp, &env->spe_status);
2693 uint64_t helper_efdcfuf (uint32_t val)
2698 u.d = uint32_to_float64(val, &env->spe_status);
2699 tmp = int64_to_float64(1ULL << 32, &env->spe_status);
2700 u.d = float64_div(u.d, tmp, &env->spe_status);
2705 uint32_t helper_efdctsf (uint64_t val)
2711 /* NaN are not treated the same way IEEE 754 does */
2712 if (unlikely(float64_is_nan(u.d)))
2714 tmp = uint64_to_float64(1ULL << 32, &env->spe_status);
2715 u.d = float64_mul(u.d, tmp, &env->spe_status);
2717 return float64_to_int32(u.d, &env->spe_status);
2720 uint32_t helper_efdctuf (uint64_t val)
2726 /* NaN are not treated the same way IEEE 754 does */
2727 if (unlikely(float64_is_nan(u.d)))
2729 tmp = uint64_to_float64(1ULL << 32, &env->spe_status);
2730 u.d = float64_mul(u.d, tmp, &env->spe_status);
2732 return float64_to_uint32(u.d, &env->spe_status);
2735 uint32_t helper_efscfd (uint64_t val)
2741 u2.f = float64_to_float32(u1.d, &env->spe_status);
2746 uint64_t helper_efdcfs (uint32_t val)
2752 u2.d = float32_to_float64(u1.f, &env->spe_status);
2757 /* Double precision fixed-point arithmetic */
2758 uint64_t helper_efdadd (uint64_t op1, uint64_t op2)
2763 u1.d = float64_add(u1.d, u2.d, &env->spe_status);
2767 uint64_t helper_efdsub (uint64_t op1, uint64_t op2)
2772 u1.d = float64_sub(u1.d, u2.d, &env->spe_status);
2776 uint64_t helper_efdmul (uint64_t op1, uint64_t op2)
2781 u1.d = float64_mul(u1.d, u2.d, &env->spe_status);
2785 uint64_t helper_efddiv (uint64_t op1, uint64_t op2)
2790 u1.d = float64_div(u1.d, u2.d, &env->spe_status);
2794 /* Double precision floating point helpers */
2795 uint32_t helper_efdtstlt (uint64_t op1, uint64_t op2)
2800 return float64_lt(u1.d, u2.d, &env->spe_status) ? 4 : 0;
2803 uint32_t helper_efdtstgt (uint64_t op1, uint64_t op2)
2808 return float64_le(u1.d, u2.d, &env->spe_status) ? 0 : 4;
2811 uint32_t helper_efdtsteq (uint64_t op1, uint64_t op2)
2816 return float64_eq(u1.d, u2.d, &env->spe_status) ? 4 : 0;
2819 uint32_t helper_efdcmplt (uint64_t op1, uint64_t op2)
2821 /* XXX: TODO: test special values (NaN, infinites, ...) */
2822 return helper_efdtstlt(op1, op2);
2825 uint32_t helper_efdcmpgt (uint64_t op1, uint64_t op2)
2827 /* XXX: TODO: test special values (NaN, infinites, ...) */
2828 return helper_efdtstgt(op1, op2);
2831 uint32_t helper_efdcmpeq (uint64_t op1, uint64_t op2)
2833 /* XXX: TODO: test special values (NaN, infinites, ...) */
2834 return helper_efdtsteq(op1, op2);
2837 /*****************************************************************************/
2838 /* Softmmu support */
2839 #if !defined (CONFIG_USER_ONLY)
2841 #define MMUSUFFIX _mmu
2844 #include "softmmu_template.h"
2847 #include "softmmu_template.h"
2850 #include "softmmu_template.h"
2853 #include "softmmu_template.h"
2855 /* try to fill the TLB and return an exception if error. If retaddr is
2856 NULL, it means that the function was called in C code (i.e. not
2857 from generated code or from helper.c) */
2858 /* XXX: fix it to restore all registers */
2859 void tlb_fill (target_ulong addr, int is_write, int mmu_idx, void *retaddr)
2861 TranslationBlock *tb;
2862 CPUState *saved_env;
2866 /* XXX: hack to restore env in all cases, even if not called from
2869 env = cpu_single_env;
2870 ret = cpu_ppc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
2871 if (unlikely(ret != 0)) {
2872 if (likely(retaddr)) {
2873 /* now we have a real cpu fault */
2874 pc = (unsigned long)retaddr;
2875 tb = tb_find_pc(pc);
2877 /* the PC is inside the translated code. It means that we have
2878 a virtual CPU fault */
2879 cpu_restore_state(tb, env, pc, NULL);
2882 helper_raise_exception_err(env->exception_index, env->error_code);
2887 /* Segment registers load and store */
2888 target_ulong helper_load_sr (target_ulong sr_num)
2890 return env->sr[sr_num];
2893 void helper_store_sr (target_ulong sr_num, target_ulong val)
2895 ppc_store_sr(env, sr_num, val);
2898 /* SLB management */
2899 #if defined(TARGET_PPC64)
2900 target_ulong helper_load_slb (target_ulong slb_nr)
2902 return ppc_load_slb(env, slb_nr);
2905 void helper_store_slb (target_ulong slb_nr, target_ulong rs)
2907 ppc_store_slb(env, slb_nr, rs);
2910 void helper_slbia (void)
2912 ppc_slb_invalidate_all(env);
2915 void helper_slbie (target_ulong addr)
2917 ppc_slb_invalidate_one(env, addr);
2920 #endif /* defined(TARGET_PPC64) */
2922 /* TLB management */
2923 void helper_tlbia (void)
2925 ppc_tlb_invalidate_all(env);
2928 void helper_tlbie (target_ulong addr)
2930 ppc_tlb_invalidate_one(env, addr);
2933 /* Software driven TLBs management */
2934 /* PowerPC 602/603 software TLB load instructions helpers */
2935 static void do_6xx_tlb (target_ulong new_EPN, int is_code)
2937 target_ulong RPN, CMP, EPN;
2940 RPN = env->spr[SPR_RPA];
2942 CMP = env->spr[SPR_ICMP];
2943 EPN = env->spr[SPR_IMISS];
2945 CMP = env->spr[SPR_DCMP];
2946 EPN = env->spr[SPR_DMISS];
2948 way = (env->spr[SPR_SRR1] >> 17) & 1;
2949 #if defined (DEBUG_SOFTWARE_TLB)
2950 if (loglevel != 0) {
2951 fprintf(logfile, "%s: EPN " ADDRX " " ADDRX " PTE0 " ADDRX
2952 " PTE1 " ADDRX " way %d\n",
2953 __func__, new_EPN, EPN, CMP, RPN, way);
2956 /* Store this TLB */
2957 ppc6xx_tlb_store(env, (uint32_t)(new_EPN & TARGET_PAGE_MASK),
2958 way, is_code, CMP, RPN);
2961 void helper_6xx_tlbd (target_ulong EPN)
2966 void helper_6xx_tlbi (target_ulong EPN)
2971 /* PowerPC 74xx software TLB load instructions helpers */
2972 static void do_74xx_tlb (target_ulong new_EPN, int is_code)
2974 target_ulong RPN, CMP, EPN;
2977 RPN = env->spr[SPR_PTELO];
2978 CMP = env->spr[SPR_PTEHI];
2979 EPN = env->spr[SPR_TLBMISS] & ~0x3;
2980 way = env->spr[SPR_TLBMISS] & 0x3;
2981 #if defined (DEBUG_SOFTWARE_TLB)
2982 if (loglevel != 0) {
2983 fprintf(logfile, "%s: EPN " ADDRX " " ADDRX " PTE0 " ADDRX
2984 " PTE1 " ADDRX " way %d\n",
2985 __func__, new_EPN, EPN, CMP, RPN, way);
2988 /* Store this TLB */
2989 ppc6xx_tlb_store(env, (uint32_t)(new_EPN & TARGET_PAGE_MASK),
2990 way, is_code, CMP, RPN);
2993 void helper_74xx_tlbd (target_ulong EPN)
2995 do_74xx_tlb(EPN, 0);
2998 void helper_74xx_tlbi (target_ulong EPN)
3000 do_74xx_tlb(EPN, 1);
3003 static always_inline target_ulong booke_tlb_to_page_size (int size)
3005 return 1024 << (2 * size);
3008 static always_inline int booke_page_size_to_tlb (target_ulong page_size)
3012 switch (page_size) {
3046 #if defined (TARGET_PPC64)
3047 case 0x000100000000ULL:
3050 case 0x000400000000ULL:
3053 case 0x001000000000ULL:
3056 case 0x004000000000ULL:
3059 case 0x010000000000ULL:
3071 /* Helpers for 4xx TLB management */
3072 target_ulong helper_4xx_tlbre_lo (target_ulong entry)
3079 tlb = &env->tlb[entry].tlbe;
3081 if (tlb->prot & PAGE_VALID)
3083 size = booke_page_size_to_tlb(tlb->size);
3084 if (size < 0 || size > 0x7)
3087 env->spr[SPR_40x_PID] = tlb->PID;
3091 target_ulong helper_4xx_tlbre_hi (target_ulong entry)
3097 tlb = &env->tlb[entry].tlbe;
3099 if (tlb->prot & PAGE_EXEC)
3101 if (tlb->prot & PAGE_WRITE)
3106 void helper_4xx_tlbwe_hi (target_ulong entry, target_ulong val)
3109 target_ulong page, end;
3111 #if defined (DEBUG_SOFTWARE_TLB)
3112 if (loglevel != 0) {
3113 fprintf(logfile, "%s entry %d val " ADDRX "\n", __func__, (int)entry, val);
3117 tlb = &env->tlb[entry].tlbe;
3118 /* Invalidate previous TLB (if it's valid) */
3119 if (tlb->prot & PAGE_VALID) {
3120 end = tlb->EPN + tlb->size;
3121 #if defined (DEBUG_SOFTWARE_TLB)
3122 if (loglevel != 0) {
3123 fprintf(logfile, "%s: invalidate old TLB %d start " ADDRX
3124 " end " ADDRX "\n", __func__, (int)entry, tlb->EPN, end);
3127 for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE)
3128 tlb_flush_page(env, page);
3130 tlb->size = booke_tlb_to_page_size((val >> 7) & 0x7);
3131 /* We cannot handle TLB size < TARGET_PAGE_SIZE.
3132 * If this ever occurs, one should use the ppcemb target instead
3133 * of the ppc or ppc64 one
3135 if ((val & 0x40) && tlb->size < TARGET_PAGE_SIZE) {
3136 cpu_abort(env, "TLB size " TARGET_FMT_lu " < %u "
3137 "are not supported (%d)\n",
3138 tlb->size, TARGET_PAGE_SIZE, (int)((val >> 7) & 0x7));
3140 tlb->EPN = val & ~(tlb->size - 1);
3142 tlb->prot |= PAGE_VALID;
3144 tlb->prot &= ~PAGE_VALID;
3146 /* XXX: TO BE FIXED */
3147 cpu_abort(env, "Little-endian TLB entries are not supported by now\n");
3149 tlb->PID = env->spr[SPR_40x_PID]; /* PID */
3150 tlb->attr = val & 0xFF;
3151 #if defined (DEBUG_SOFTWARE_TLB)
3152 if (loglevel != 0) {
3153 fprintf(logfile, "%s: set up TLB %d RPN " PADDRX " EPN " ADDRX
3154 " size " ADDRX " prot %c%c%c%c PID %d\n", __func__,
3155 (int)entry, tlb->RPN, tlb->EPN, tlb->size,
3156 tlb->prot & PAGE_READ ? 'r' : '-',
3157 tlb->prot & PAGE_WRITE ? 'w' : '-',
3158 tlb->prot & PAGE_EXEC ? 'x' : '-',
3159 tlb->prot & PAGE_VALID ? 'v' : '-', (int)tlb->PID);
3162 /* Invalidate new TLB (if valid) */
3163 if (tlb->prot & PAGE_VALID) {
3164 end = tlb->EPN + tlb->size;
3165 #if defined (DEBUG_SOFTWARE_TLB)
3166 if (loglevel != 0) {
3167 fprintf(logfile, "%s: invalidate TLB %d start " ADDRX
3168 " end " ADDRX "\n", __func__, (int)entry, tlb->EPN, end);
3171 for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE)
3172 tlb_flush_page(env, page);
3176 void helper_4xx_tlbwe_lo (target_ulong entry, target_ulong val)
3180 #if defined (DEBUG_SOFTWARE_TLB)
3181 if (loglevel != 0) {
3182 fprintf(logfile, "%s entry %i val " ADDRX "\n", __func__, (int)entry, val);
3186 tlb = &env->tlb[entry].tlbe;
3187 tlb->RPN = val & 0xFFFFFC00;
3188 tlb->prot = PAGE_READ;
3190 tlb->prot |= PAGE_EXEC;
3192 tlb->prot |= PAGE_WRITE;
3193 #if defined (DEBUG_SOFTWARE_TLB)
3194 if (loglevel != 0) {
3195 fprintf(logfile, "%s: set up TLB %d RPN " PADDRX " EPN " ADDRX
3196 " size " ADDRX " prot %c%c%c%c PID %d\n", __func__,
3197 (int)entry, tlb->RPN, tlb->EPN, tlb->size,
3198 tlb->prot & PAGE_READ ? 'r' : '-',
3199 tlb->prot & PAGE_WRITE ? 'w' : '-',
3200 tlb->prot & PAGE_EXEC ? 'x' : '-',
3201 tlb->prot & PAGE_VALID ? 'v' : '-', (int)tlb->PID);
3206 target_ulong helper_4xx_tlbsx (target_ulong address)
3208 return ppcemb_tlb_search(env, address, env->spr[SPR_40x_PID]);
3211 /* PowerPC 440 TLB management */
3212 void helper_440_tlbwe (uint32_t word, target_ulong entry, target_ulong value)
3215 target_ulong EPN, RPN, size;
3218 #if defined (DEBUG_SOFTWARE_TLB)
3219 if (loglevel != 0) {
3220 fprintf(logfile, "%s word %d entry %d value " ADDRX "\n",
3221 __func__, word, (int)entry, value);
3226 tlb = &env->tlb[entry].tlbe;
3229 /* Just here to please gcc */
3231 EPN = value & 0xFFFFFC00;
3232 if ((tlb->prot & PAGE_VALID) && EPN != tlb->EPN)
3235 size = booke_tlb_to_page_size((value >> 4) & 0xF);
3236 if ((tlb->prot & PAGE_VALID) && tlb->size < size)
3240 tlb->attr |= (value >> 8) & 1;
3241 if (value & 0x200) {
3242 tlb->prot |= PAGE_VALID;
3244 if (tlb->prot & PAGE_VALID) {
3245 tlb->prot &= ~PAGE_VALID;
3249 tlb->PID = env->spr[SPR_440_MMUCR] & 0x000000FF;
3254 RPN = value & 0xFFFFFC0F;
3255 if ((tlb->prot & PAGE_VALID) && tlb->RPN != RPN)
3260 tlb->attr = (tlb->attr & 0x1) | (value & 0x0000FF00);
3261 tlb->prot = tlb->prot & PAGE_VALID;
3263 tlb->prot |= PAGE_READ << 4;
3265 tlb->prot |= PAGE_WRITE << 4;
3267 tlb->prot |= PAGE_EXEC << 4;
3269 tlb->prot |= PAGE_READ;
3271 tlb->prot |= PAGE_WRITE;
3273 tlb->prot |= PAGE_EXEC;
3278 target_ulong helper_440_tlbre (uint32_t word, target_ulong entry)
3285 tlb = &env->tlb[entry].tlbe;
3288 /* Just here to please gcc */
3291 size = booke_page_size_to_tlb(tlb->size);
3292 if (size < 0 || size > 0xF)
3295 if (tlb->attr & 0x1)
3297 if (tlb->prot & PAGE_VALID)
3299 env->spr[SPR_440_MMUCR] &= ~0x000000FF;
3300 env->spr[SPR_440_MMUCR] |= tlb->PID;
3306 ret = tlb->attr & ~0x1;
3307 if (tlb->prot & (PAGE_READ << 4))
3309 if (tlb->prot & (PAGE_WRITE << 4))
3311 if (tlb->prot & (PAGE_EXEC << 4))
3313 if (tlb->prot & PAGE_READ)
3315 if (tlb->prot & PAGE_WRITE)
3317 if (tlb->prot & PAGE_EXEC)
3324 target_ulong helper_440_tlbsx (target_ulong address)
3326 return ppcemb_tlb_search(env, address, env->spr[SPR_440_MMUCR] & 0xFF);
3329 #endif /* !CONFIG_USER_ONLY */