+++ /dev/null
-/*
- * i386 micro operations
- *
- * Copyright (c) 2003 Fabrice Bellard
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#include "exec-i386.h"
-
-/* n must be a constant to be efficient */
-static inline int lshift(int x, int n)
-{
- if (n >= 0)
- return x << n;
- else
- return x >> (-n);
-}
-
-/* we define the various pieces of code used by the JIT */
-
-#define REG EAX
-#define REGNAME _EAX
-#include "opreg_template.h"
-#undef REG
-#undef REGNAME
-
-#define REG ECX
-#define REGNAME _ECX
-#include "opreg_template.h"
-#undef REG
-#undef REGNAME
-
-#define REG EDX
-#define REGNAME _EDX
-#include "opreg_template.h"
-#undef REG
-#undef REGNAME
-
-#define REG EBX
-#define REGNAME _EBX
-#include "opreg_template.h"
-#undef REG
-#undef REGNAME
-
-#define REG ESP
-#define REGNAME _ESP
-#include "opreg_template.h"
-#undef REG
-#undef REGNAME
-
-#define REG EBP
-#define REGNAME _EBP
-#include "opreg_template.h"
-#undef REG
-#undef REGNAME
-
-#define REG ESI
-#define REGNAME _ESI
-#include "opreg_template.h"
-#undef REG
-#undef REGNAME
-
-#define REG EDI
-#define REGNAME _EDI
-#include "opreg_template.h"
-#undef REG
-#undef REGNAME
-
-/* operations with flags */
-
-/* update flags with T0 and T1 (add/sub case) */
-void OPPROTO op_update2_cc(void)
-{
- CC_SRC = T1;
- CC_DST = T0;
-}
-
-/* update flags with T0 (logic operation case) */
-void OPPROTO op_update1_cc(void)
-{
- CC_DST = T0;
-}
-
-void OPPROTO op_update_neg_cc(void)
-{
- CC_SRC = -T0;
- CC_DST = T0;
-}
-
-void OPPROTO op_cmpl_T0_T1_cc(void)
-{
- CC_SRC = T1;
- CC_DST = T0 - T1;
-}
-
-void OPPROTO op_update_inc_cc(void)
-{
- CC_SRC = cc_table[CC_OP].compute_c();
- CC_DST = T0;
-}
-
-void OPPROTO op_testl_T0_T1_cc(void)
-{
- CC_DST = T0 & T1;
-}
-
-/* operations without flags */
-
-void OPPROTO op_addl_T0_T1(void)
-{
- T0 += T1;
-}
-
-void OPPROTO op_orl_T0_T1(void)
-{
- T0 |= T1;
-}
-
-void OPPROTO op_andl_T0_T1(void)
-{
- T0 &= T1;
-}
-
-void OPPROTO op_subl_T0_T1(void)
-{
- T0 -= T1;
-}
-
-void OPPROTO op_xorl_T0_T1(void)
-{
- T0 ^= T1;
-}
-
-void OPPROTO op_negl_T0(void)
-{
- T0 = -T0;
-}
-
-void OPPROTO op_incl_T0(void)
-{
- T0++;
-}
-
-void OPPROTO op_decl_T0(void)
-{
- T0--;
-}
-
-void OPPROTO op_notl_T0(void)
-{
- T0 = ~T0;
-}
-
-void OPPROTO op_bswapl_T0(void)
-{
- T0 = bswap32(T0);
-}
-
-/* multiply/divide */
-void OPPROTO op_mulb_AL_T0(void)
-{
- unsigned int res;
- res = (uint8_t)EAX * (uint8_t)T0;
- EAX = (EAX & 0xffff0000) | res;
- CC_SRC = (res & 0xff00);
-}
-
-void OPPROTO op_imulb_AL_T0(void)
-{
- int res;
- res = (int8_t)EAX * (int8_t)T0;
- EAX = (EAX & 0xffff0000) | (res & 0xffff);
- CC_SRC = (res != (int8_t)res);
-}
-
-void OPPROTO op_mulw_AX_T0(void)
-{
- unsigned int res;
- res = (uint16_t)EAX * (uint16_t)T0;
- EAX = (EAX & 0xffff0000) | (res & 0xffff);
- EDX = (EDX & 0xffff0000) | ((res >> 16) & 0xffff);
- CC_SRC = res >> 16;
-}
-
-void OPPROTO op_imulw_AX_T0(void)
-{
- int res;
- res = (int16_t)EAX * (int16_t)T0;
- EAX = (EAX & 0xffff0000) | (res & 0xffff);
- EDX = (EDX & 0xffff0000) | ((res >> 16) & 0xffff);
- CC_SRC = (res != (int16_t)res);
-}
-
-void OPPROTO op_mull_EAX_T0(void)
-{
- uint64_t res;
- res = (uint64_t)((uint32_t)EAX) * (uint64_t)((uint32_t)T0);
- EAX = res;
- EDX = res >> 32;
- CC_SRC = res >> 32;
-}
-
-void OPPROTO op_imull_EAX_T0(void)
-{
- int64_t res;
- res = (int64_t)((int32_t)EAX) * (int64_t)((int32_t)T0);
- EAX = res;
- EDX = res >> 32;
- CC_SRC = (res != (int32_t)res);
-}
-
-void OPPROTO op_imulw_T0_T1(void)
-{
- int res;
- res = (int16_t)T0 * (int16_t)T1;
- T0 = res;
- CC_SRC = (res != (int16_t)res);
-}
-
-void OPPROTO op_imull_T0_T1(void)
-{
- int64_t res;
- res = (int64_t)((int32_t)T0) * (int64_t)((int32_t)T1);
- T0 = res;
- CC_SRC = (res != (int32_t)res);
-}
-
-/* division, flags are undefined */
-/* XXX: add exceptions for overflow */
-
-void OPPROTO op_divb_AL_T0(void)
-{
- unsigned int num, den, q, r;
-
- num = (EAX & 0xffff);
- den = (T0 & 0xff);
- if (den == 0) {
- EIP = PARAM1;
- raise_exception(EXCP00_DIVZ);
- }
- q = (num / den) & 0xff;
- r = (num % den) & 0xff;
- EAX = (EAX & 0xffff0000) | (r << 8) | q;
-}
-
-void OPPROTO op_idivb_AL_T0(void)
-{
- int num, den, q, r;
-
- num = (int16_t)EAX;
- den = (int8_t)T0;
- if (den == 0) {
- EIP = PARAM1;
- raise_exception(EXCP00_DIVZ);
- }
- q = (num / den) & 0xff;
- r = (num % den) & 0xff;
- EAX = (EAX & 0xffff0000) | (r << 8) | q;
-}
-
-void OPPROTO op_divw_AX_T0(void)
-{
- unsigned int num, den, q, r;
-
- num = (EAX & 0xffff) | ((EDX & 0xffff) << 16);
- den = (T0 & 0xffff);
- if (den == 0) {
- EIP = PARAM1;
- raise_exception(EXCP00_DIVZ);
- }
- q = (num / den) & 0xffff;
- r = (num % den) & 0xffff;
- EAX = (EAX & 0xffff0000) | q;
- EDX = (EDX & 0xffff0000) | r;
-}
-
-void OPPROTO op_idivw_AX_T0(void)
-{
- int num, den, q, r;
-
- num = (EAX & 0xffff) | ((EDX & 0xffff) << 16);
- den = (int16_t)T0;
- if (den == 0) {
- EIP = PARAM1;
- raise_exception(EXCP00_DIVZ);
- }
- q = (num / den) & 0xffff;
- r = (num % den) & 0xffff;
- EAX = (EAX & 0xffff0000) | q;
- EDX = (EDX & 0xffff0000) | r;
-}
-
-void OPPROTO op_divl_EAX_T0(void)
-{
- helper_divl_EAX_T0(PARAM1);
-}
-
-void OPPROTO op_idivl_EAX_T0(void)
-{
- helper_idivl_EAX_T0(PARAM1);
-}
-
-/* constant load & misc op */
-
-void OPPROTO op_movl_T0_im(void)
-{
- T0 = PARAM1;
-}
-
-void OPPROTO op_addl_T0_im(void)
-{
- T0 += PARAM1;
-}
-
-void OPPROTO op_andl_T0_ffff(void)
-{
- T0 = T0 & 0xffff;
-}
-
-void OPPROTO op_andl_T0_im(void)
-{
- T0 = T0 & PARAM1;
-}
-
-void OPPROTO op_movl_T0_T1(void)
-{
- T0 = T1;
-}
-
-void OPPROTO op_movl_T1_im(void)
-{
- T1 = PARAM1;
-}
-
-void OPPROTO op_addl_T1_im(void)
-{
- T1 += PARAM1;
-}
-
-void OPPROTO op_movl_T1_A0(void)
-{
- T1 = A0;
-}
-
-void OPPROTO op_movl_A0_im(void)
-{
- A0 = PARAM1;
-}
-
-void OPPROTO op_addl_A0_im(void)
-{
- A0 += PARAM1;
-}
-
-void OPPROTO op_addl_A0_AL(void)
-{
- A0 += (EAX & 0xff);
-}
-
-void OPPROTO op_andl_A0_ffff(void)
-{
- A0 = A0 & 0xffff;
-}
-
-/* memory access */
-
-#define MEMSUFFIX
-#include "ops_mem.h"
-
-#define MEMSUFFIX _user
-#include "ops_mem.h"
-
-#define MEMSUFFIX _kernel
-#include "ops_mem.h"
-
-/* used for bit operations */
-
-void OPPROTO op_add_bitw_A0_T1(void)
-{
- A0 += ((int32_t)T1 >> 4) << 1;
-}
-
-void OPPROTO op_add_bitl_A0_T1(void)
-{
- A0 += ((int32_t)T1 >> 5) << 2;
-}
-
-/* indirect jump */
-
-void OPPROTO op_jmp_T0(void)
-{
- EIP = T0;
-}
-
-void OPPROTO op_jmp_im(void)
-{
- EIP = PARAM1;
-}
-
-void OPPROTO op_hlt(void)
-{
- env->exception_index = EXCP_HLT;
- cpu_loop_exit();
-}
-
-void OPPROTO op_debug(void)
-{
- env->exception_index = EXCP_DEBUG;
- cpu_loop_exit();
-}
-
-void OPPROTO op_raise_interrupt(void)
-{
- int intno;
- unsigned int next_eip;
- intno = PARAM1;
- next_eip = PARAM2;
- raise_interrupt(intno, 1, 0, next_eip);
-}
-
-void OPPROTO op_raise_exception(void)
-{
- int exception_index;
- exception_index = PARAM1;
- raise_exception(exception_index);
-}
-
-void OPPROTO op_into(void)
-{
- int eflags;
- eflags = cc_table[CC_OP].compute_all();
- if (eflags & CC_O) {
- raise_interrupt(EXCP04_INTO, 1, 0, PARAM1);
- }
- FORCE_RET();
-}
-
-void OPPROTO op_cli(void)
-{
- env->eflags &= ~IF_MASK;
-}
-
-void OPPROTO op_sti(void)
-{
- env->eflags |= IF_MASK;
-}
-
-void OPPROTO op_set_inhibit_irq(void)
-{
- env->hflags |= HF_INHIBIT_IRQ_MASK;
-}
-
-void OPPROTO op_reset_inhibit_irq(void)
-{
- env->hflags &= ~HF_INHIBIT_IRQ_MASK;
-}
-
-#if 0
-/* vm86plus instructions */
-void OPPROTO op_cli_vm(void)
-{
- env->eflags &= ~VIF_MASK;
-}
-
-void OPPROTO op_sti_vm(void)
-{
- env->eflags |= VIF_MASK;
- if (env->eflags & VIP_MASK) {
- EIP = PARAM1;
- raise_exception(EXCP0D_GPF);
- }
- FORCE_RET();
-}
-#endif
-
-void OPPROTO op_boundw(void)
-{
- int low, high, v;
- low = ldsw((uint8_t *)A0);
- high = ldsw((uint8_t *)A0 + 2);
- v = (int16_t)T0;
- if (v < low || v > high) {
- EIP = PARAM1;
- raise_exception(EXCP05_BOUND);
- }
- FORCE_RET();
-}
-
-void OPPROTO op_boundl(void)
-{
- int low, high, v;
- low = ldl((uint8_t *)A0);
- high = ldl((uint8_t *)A0 + 4);
- v = T0;
- if (v < low || v > high) {
- EIP = PARAM1;
- raise_exception(EXCP05_BOUND);
- }
- FORCE_RET();
-}
-
-void OPPROTO op_cmpxchg8b(void)
-{
- helper_cmpxchg8b();
-}
-
-void OPPROTO op_jmp(void)
-{
- JUMP_TB(op_jmp, PARAM1, 0, PARAM2);
-}
-
-void OPPROTO op_movl_T0_0(void)
-{
- T0 = 0;
-}
-
-void OPPROTO op_exit_tb(void)
-{
- EXIT_TB();
-}
-
-/* multiple size ops */
-
-#define ldul ldl
-
-#define SHIFT 0
-#include "ops_template.h"
-#undef SHIFT
-
-#define SHIFT 1
-#include "ops_template.h"
-#undef SHIFT
-
-#define SHIFT 2
-#include "ops_template.h"
-#undef SHIFT
-
-/* sign extend */
-
-void OPPROTO op_movsbl_T0_T0(void)
-{
- T0 = (int8_t)T0;
-}
-
-void OPPROTO op_movzbl_T0_T0(void)
-{
- T0 = (uint8_t)T0;
-}
-
-void OPPROTO op_movswl_T0_T0(void)
-{
- T0 = (int16_t)T0;
-}
-
-void OPPROTO op_movzwl_T0_T0(void)
-{
- T0 = (uint16_t)T0;
-}
-
-void OPPROTO op_movswl_EAX_AX(void)
-{
- EAX = (int16_t)EAX;
-}
-
-void OPPROTO op_movsbw_AX_AL(void)
-{
- EAX = (EAX & 0xffff0000) | ((int8_t)EAX & 0xffff);
-}
-
-void OPPROTO op_movslq_EDX_EAX(void)
-{
- EDX = (int32_t)EAX >> 31;
-}
-
-void OPPROTO op_movswl_DX_AX(void)
-{
- EDX = (EDX & 0xffff0000) | (((int16_t)EAX >> 15) & 0xffff);
-}
-
-/* string ops helpers */
-
-void OPPROTO op_addl_ESI_T0(void)
-{
- ESI += T0;
-}
-
-void OPPROTO op_addw_ESI_T0(void)
-{
- ESI = (ESI & ~0xffff) | ((ESI + T0) & 0xffff);
-}
-
-void OPPROTO op_addl_EDI_T0(void)
-{
- EDI += T0;
-}
-
-void OPPROTO op_addw_EDI_T0(void)
-{
- EDI = (EDI & ~0xffff) | ((EDI + T0) & 0xffff);
-}
-
-void OPPROTO op_decl_ECX(void)
-{
- ECX--;
-}
-
-void OPPROTO op_decw_ECX(void)
-{
- ECX = (ECX & ~0xffff) | ((ECX - 1) & 0xffff);
-}
-
-/* push/pop */
-
-void op_pushl_T0(void)
-{
- uint32_t offset;
- offset = ESP - 4;
- stl((void *)offset, T0);
- /* modify ESP after to handle exceptions correctly */
- ESP = offset;
-}
-
-void op_pushw_T0(void)
-{
- uint32_t offset;
- offset = ESP - 2;
- stw((void *)offset, T0);
- /* modify ESP after to handle exceptions correctly */
- ESP = offset;
-}
-
-void op_pushl_ss32_T0(void)
-{
- uint32_t offset;
- offset = ESP - 4;
- stl(env->segs[R_SS].base + offset, T0);
- /* modify ESP after to handle exceptions correctly */
- ESP = offset;
-}
-
-void op_pushw_ss32_T0(void)
-{
- uint32_t offset;
- offset = ESP - 2;
- stw(env->segs[R_SS].base + offset, T0);
- /* modify ESP after to handle exceptions correctly */
- ESP = offset;
-}
-
-void op_pushl_ss16_T0(void)
-{
- uint32_t offset;
- offset = (ESP - 4) & 0xffff;
- stl(env->segs[R_SS].base + offset, T0);
- /* modify ESP after to handle exceptions correctly */
- ESP = (ESP & ~0xffff) | offset;
-}
-
-void op_pushw_ss16_T0(void)
-{
- uint32_t offset;
- offset = (ESP - 2) & 0xffff;
- stw(env->segs[R_SS].base + offset, T0);
- /* modify ESP after to handle exceptions correctly */
- ESP = (ESP & ~0xffff) | offset;
-}
-
-/* NOTE: ESP update is done after */
-void op_popl_T0(void)
-{
- T0 = ldl((void *)ESP);
-}
-
-void op_popw_T0(void)
-{
- T0 = lduw((void *)ESP);
-}
-
-void op_popl_ss32_T0(void)
-{
- T0 = ldl(env->segs[R_SS].base + ESP);
-}
-
-void op_popw_ss32_T0(void)
-{
- T0 = lduw(env->segs[R_SS].base + ESP);
-}
-
-void op_popl_ss16_T0(void)
-{
- T0 = ldl(env->segs[R_SS].base + (ESP & 0xffff));
-}
-
-void op_popw_ss16_T0(void)
-{
- T0 = lduw(env->segs[R_SS].base + (ESP & 0xffff));
-}
-
-void op_addl_ESP_4(void)
-{
- ESP += 4;
-}
-
-void op_addl_ESP_2(void)
-{
- ESP += 2;
-}
-
-void op_addw_ESP_4(void)
-{
- ESP = (ESP & ~0xffff) | ((ESP + 4) & 0xffff);
-}
-
-void op_addw_ESP_2(void)
-{
- ESP = (ESP & ~0xffff) | ((ESP + 2) & 0xffff);
-}
-
-void op_addl_ESP_im(void)
-{
- ESP += PARAM1;
-}
-
-void op_addw_ESP_im(void)
-{
- ESP = (ESP & ~0xffff) | ((ESP + PARAM1) & 0xffff);
-}
-
-void OPPROTO op_rdtsc(void)
-{
- helper_rdtsc();
-}
-
-void OPPROTO op_cpuid(void)
-{
- helper_cpuid();
-}
-
-void OPPROTO op_rdmsr(void)
-{
- helper_rdmsr();
-}
-
-void OPPROTO op_wrmsr(void)
-{
- helper_wrmsr();
-}
-
-/* bcd */
-
-/* XXX: exception */
-void OPPROTO op_aam(void)
-{
- int base = PARAM1;
- int al, ah;
- al = EAX & 0xff;
- ah = al / base;
- al = al % base;
- EAX = (EAX & ~0xffff) | al | (ah << 8);
- CC_DST = al;
-}
-
-void OPPROTO op_aad(void)
-{
- int base = PARAM1;
- int al, ah;
- al = EAX & 0xff;
- ah = (EAX >> 8) & 0xff;
- al = ((ah * base) + al) & 0xff;
- EAX = (EAX & ~0xffff) | al;
- CC_DST = al;
-}
-
-void OPPROTO op_aaa(void)
-{
- int icarry;
- int al, ah, af;
- int eflags;
-
- eflags = cc_table[CC_OP].compute_all();
- af = eflags & CC_A;
- al = EAX & 0xff;
- ah = (EAX >> 8) & 0xff;
-
- icarry = (al > 0xf9);
- if (((al & 0x0f) > 9 ) || af) {
- al = (al + 6) & 0x0f;
- ah = (ah + 1 + icarry) & 0xff;
- eflags |= CC_C | CC_A;
- } else {
- eflags &= ~(CC_C | CC_A);
- al &= 0x0f;
- }
- EAX = (EAX & ~0xffff) | al | (ah << 8);
- CC_SRC = eflags;
-}
-
-void OPPROTO op_aas(void)
-{
- int icarry;
- int al, ah, af;
- int eflags;
-
- eflags = cc_table[CC_OP].compute_all();
- af = eflags & CC_A;
- al = EAX & 0xff;
- ah = (EAX >> 8) & 0xff;
-
- icarry = (al < 6);
- if (((al & 0x0f) > 9 ) || af) {
- al = (al - 6) & 0x0f;
- ah = (ah - 1 - icarry) & 0xff;
- eflags |= CC_C | CC_A;
- } else {
- eflags &= ~(CC_C | CC_A);
- al &= 0x0f;
- }
- EAX = (EAX & ~0xffff) | al | (ah << 8);
- CC_SRC = eflags;
-}
-
-void OPPROTO op_daa(void)
-{
- int al, af, cf;
- int eflags;
-
- eflags = cc_table[CC_OP].compute_all();
- cf = eflags & CC_C;
- af = eflags & CC_A;
- al = EAX & 0xff;
-
- eflags = 0;
- if (((al & 0x0f) > 9 ) || af) {
- al = (al + 6) & 0xff;
- eflags |= CC_A;
- }
- if ((al > 0x9f) || cf) {
- al = (al + 0x60) & 0xff;
- eflags |= CC_C;
- }
- EAX = (EAX & ~0xff) | al;
- /* well, speed is not an issue here, so we compute the flags by hand */
- eflags |= (al == 0) << 6; /* zf */
- eflags |= parity_table[al]; /* pf */
- eflags |= (al & 0x80); /* sf */
- CC_SRC = eflags;
-}
-
-void OPPROTO op_das(void)
-{
- int al, al1, af, cf;
- int eflags;
-
- eflags = cc_table[CC_OP].compute_all();
- cf = eflags & CC_C;
- af = eflags & CC_A;
- al = EAX & 0xff;
-
- eflags = 0;
- al1 = al;
- if (((al & 0x0f) > 9 ) || af) {
- eflags |= CC_A;
- if (al < 6 || cf)
- eflags |= CC_C;
- al = (al - 6) & 0xff;
- }
- if ((al1 > 0x99) || cf) {
- al = (al - 0x60) & 0xff;
- eflags |= CC_C;
- }
- EAX = (EAX & ~0xff) | al;
- /* well, speed is not an issue here, so we compute the flags by hand */
- eflags |= (al == 0) << 6; /* zf */
- eflags |= parity_table[al]; /* pf */
- eflags |= (al & 0x80); /* sf */
- CC_SRC = eflags;
-}
-
-/* segment handling */
-
-/* never use it with R_CS */
-void OPPROTO op_movl_seg_T0(void)
-{
- load_seg(PARAM1, T0 & 0xffff, PARAM2);
-}
-
-/* faster VM86 version */
-void OPPROTO op_movl_seg_T0_vm(void)
-{
- int selector;
- SegmentCache *sc;
-
- selector = T0 & 0xffff;
- /* env->segs[] access */
- sc = (SegmentCache *)((char *)env + PARAM1);
- sc->selector = selector;
- sc->base = (void *)(selector << 4);
-}
-
-void OPPROTO op_movl_T0_seg(void)
-{
- T0 = env->segs[PARAM1].selector;
-}
-
-void OPPROTO op_movl_A0_seg(void)
-{
- A0 = *(unsigned long *)((char *)env + PARAM1);
-}
-
-void OPPROTO op_addl_A0_seg(void)
-{
- A0 += *(unsigned long *)((char *)env + PARAM1);
-}
-
-void OPPROTO op_lsl(void)
-{
- helper_lsl();
-}
-
-void OPPROTO op_lar(void)
-{
- helper_lar();
-}
-
-/* T0: segment, T1:eip */
-void OPPROTO op_ljmp_protected_T0_T1(void)
-{
- helper_ljmp_protected_T0_T1();
-}
-
-void OPPROTO op_lcall_real_T0_T1(void)
-{
- helper_lcall_real_T0_T1(PARAM1, PARAM2);
-}
-
-void OPPROTO op_lcall_protected_T0_T1(void)
-{
- helper_lcall_protected_T0_T1(PARAM1, PARAM2);
-}
-
-void OPPROTO op_iret_real(void)
-{
- helper_iret_real(PARAM1);
-}
-
-void OPPROTO op_iret_protected(void)
-{
- helper_iret_protected(PARAM1);
-}
-
-void OPPROTO op_lret_protected(void)
-{
- helper_lret_protected(PARAM1, PARAM2);
-}
-
-void OPPROTO op_lldt_T0(void)
-{
- helper_lldt_T0();
-}
-
-void OPPROTO op_ltr_T0(void)
-{
- helper_ltr_T0();
-}
-
-/* CR registers access */
-void OPPROTO op_movl_crN_T0(void)
-{
- helper_movl_crN_T0(PARAM1);
-}
-
-/* DR registers access */
-void OPPROTO op_movl_drN_T0(void)
-{
- helper_movl_drN_T0(PARAM1);
-}
-
-void OPPROTO op_lmsw_T0(void)
-{
- /* only 4 lower bits of CR0 are modified */
- T0 = (env->cr[0] & ~0xf) | (T0 & 0xf);
- helper_movl_crN_T0(0);
-}
-
-void OPPROTO op_invlpg_A0(void)
-{
- helper_invlpg(A0);
-}
-
-void OPPROTO op_movl_T0_env(void)
-{
- T0 = *(uint32_t *)((char *)env + PARAM1);
-}
-
-void OPPROTO op_movl_env_T0(void)
-{
- *(uint32_t *)((char *)env + PARAM1) = T0;
-}
-
-void OPPROTO op_movl_env_T1(void)
-{
- *(uint32_t *)((char *)env + PARAM1) = T1;
-}
-
-void OPPROTO op_clts(void)
-{
- env->cr[0] &= ~CR0_TS_MASK;
-}
-
-/* flags handling */
-
-/* slow jumps cases : in order to avoid calling a function with a
- pointer (which can generate a stack frame on PowerPC), we use
- op_setcc to set T0 and then call op_jcc. */
-void OPPROTO op_jcc(void)
-{
- if (T0)
- JUMP_TB(op_jcc, PARAM1, 0, PARAM2);
- else
- JUMP_TB(op_jcc, PARAM1, 1, PARAM3);
- FORCE_RET();
-}
-
-void OPPROTO op_jcc_im(void)
-{
- if (T0)
- EIP = PARAM1;
- else
- EIP = PARAM2;
- FORCE_RET();
-}
-
-/* slow set cases (compute x86 flags) */
-void OPPROTO op_seto_T0_cc(void)
-{
- int eflags;
- eflags = cc_table[CC_OP].compute_all();
- T0 = (eflags >> 11) & 1;
-}
-
-void OPPROTO op_setb_T0_cc(void)
-{
- T0 = cc_table[CC_OP].compute_c();
-}
-
-void OPPROTO op_setz_T0_cc(void)
-{
- int eflags;
- eflags = cc_table[CC_OP].compute_all();
- T0 = (eflags >> 6) & 1;
-}
-
-void OPPROTO op_setbe_T0_cc(void)
-{
- int eflags;
- eflags = cc_table[CC_OP].compute_all();
- T0 = (eflags & (CC_Z | CC_C)) != 0;
-}
-
-void OPPROTO op_sets_T0_cc(void)
-{
- int eflags;
- eflags = cc_table[CC_OP].compute_all();
- T0 = (eflags >> 7) & 1;
-}
-
-void OPPROTO op_setp_T0_cc(void)
-{
- int eflags;
- eflags = cc_table[CC_OP].compute_all();
- T0 = (eflags >> 2) & 1;
-}
-
-void OPPROTO op_setl_T0_cc(void)
-{
- int eflags;
- eflags = cc_table[CC_OP].compute_all();
- T0 = ((eflags ^ (eflags >> 4)) >> 7) & 1;
-}
-
-void OPPROTO op_setle_T0_cc(void)
-{
- int eflags;
- eflags = cc_table[CC_OP].compute_all();
- T0 = (((eflags ^ (eflags >> 4)) & 0x80) || (eflags & CC_Z)) != 0;
-}
-
-void OPPROTO op_xor_T0_1(void)
-{
- T0 ^= 1;
-}
-
-void OPPROTO op_set_cc_op(void)
-{
- CC_OP = PARAM1;
-}
-
-#define FL_UPDATE_MASK16 (FL_UPDATE_MASK32 & 0xffff)
-
-void OPPROTO op_movl_eflags_T0(void)
-{
- int eflags;
- eflags = T0;
- CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
- DF = 1 - (2 * ((eflags >> 10) & 1));
- /* we also update some system flags as in user mode */
- env->eflags = (env->eflags & ~FL_UPDATE_MASK32) |
- (eflags & FL_UPDATE_MASK32);
-}
-
-void OPPROTO op_movw_eflags_T0(void)
-{
- int eflags;
- eflags = T0;
- CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
- DF = 1 - (2 * ((eflags >> 10) & 1));
- /* we also update some system flags as in user mode */
- env->eflags = (env->eflags & ~FL_UPDATE_MASK16) |
- (eflags & FL_UPDATE_MASK16);
-}
-
-void OPPROTO op_movl_eflags_T0_cpl0(void)
-{
- load_eflags(T0, FL_UPDATE_CPL0_MASK);
-}
-
-void OPPROTO op_movw_eflags_T0_cpl0(void)
-{
- load_eflags(T0, FL_UPDATE_CPL0_MASK & 0xffff);
-}
-
-#if 0
-/* vm86plus version */
-void OPPROTO op_movw_eflags_T0_vm(void)
-{
- int eflags;
- eflags = T0;
- CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
- DF = 1 - (2 * ((eflags >> 10) & 1));
- /* we also update some system flags as in user mode */
- env->eflags = (env->eflags & ~(FL_UPDATE_MASK16 | VIF_MASK)) |
- (eflags & FL_UPDATE_MASK16);
- if (eflags & IF_MASK) {
- env->eflags |= VIF_MASK;
- if (env->eflags & VIP_MASK) {
- EIP = PARAM1;
- raise_exception(EXCP0D_GPF);
- }
- }
- FORCE_RET();
-}
-
-void OPPROTO op_movl_eflags_T0_vm(void)
-{
- int eflags;
- eflags = T0;
- CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
- DF = 1 - (2 * ((eflags >> 10) & 1));
- /* we also update some system flags as in user mode */
- env->eflags = (env->eflags & ~(FL_UPDATE_MASK32 | VIF_MASK)) |
- (eflags & FL_UPDATE_MASK32);
- if (eflags & IF_MASK) {
- env->eflags |= VIF_MASK;
- if (env->eflags & VIP_MASK) {
- EIP = PARAM1;
- raise_exception(EXCP0D_GPF);
- }
- }
- FORCE_RET();
-}
-#endif
-
-/* XXX: compute only O flag */
-void OPPROTO op_movb_eflags_T0(void)
-{
- int of;
- of = cc_table[CC_OP].compute_all() & CC_O;
- CC_SRC = (T0 & (CC_S | CC_Z | CC_A | CC_P | CC_C)) | of;
-}
-
-void OPPROTO op_movl_T0_eflags(void)
-{
- int eflags;
- eflags = cc_table[CC_OP].compute_all();
- eflags |= (DF & DF_MASK);
- eflags |= env->eflags & ~(VM_MASK | RF_MASK);
- T0 = eflags;
-}
-
-/* vm86plus version */
-#if 0
-void OPPROTO op_movl_T0_eflags_vm(void)
-{
- int eflags;
- eflags = cc_table[CC_OP].compute_all();
- eflags |= (DF & DF_MASK);
- eflags |= env->eflags & ~(VM_MASK | RF_MASK | IF_MASK);
- if (env->eflags & VIF_MASK)
- eflags |= IF_MASK;
- T0 = eflags;
-}
-#endif
-
-void OPPROTO op_cld(void)
-{
- DF = 1;
-}
-
-void OPPROTO op_std(void)
-{
- DF = -1;
-}
-
-void OPPROTO op_clc(void)
-{
- int eflags;
- eflags = cc_table[CC_OP].compute_all();
- eflags &= ~CC_C;
- CC_SRC = eflags;
-}
-
-void OPPROTO op_stc(void)
-{
- int eflags;
- eflags = cc_table[CC_OP].compute_all();
- eflags |= CC_C;
- CC_SRC = eflags;
-}
-
-void OPPROTO op_cmc(void)
-{
- int eflags;
- eflags = cc_table[CC_OP].compute_all();
- eflags ^= CC_C;
- CC_SRC = eflags;
-}
-
-void OPPROTO op_salc(void)
-{
- int cf;
- cf = cc_table[CC_OP].compute_c();
- EAX = (EAX & ~0xff) | ((-cf) & 0xff);
-}
-
-static int compute_all_eflags(void)
-{
- return CC_SRC;
-}
-
-static int compute_c_eflags(void)
-{
- return CC_SRC & CC_C;
-}
-
-static int compute_c_mul(void)
-{
- int cf;
- cf = (CC_SRC != 0);
- return cf;
-}
-
-static int compute_all_mul(void)
-{
- int cf, pf, af, zf, sf, of;
- cf = (CC_SRC != 0);
- pf = 0; /* undefined */
- af = 0; /* undefined */
- zf = 0; /* undefined */
- sf = 0; /* undefined */
- of = cf << 11;
- return cf | pf | af | zf | sf | of;
-}
-
-CCTable cc_table[CC_OP_NB] = {
- [CC_OP_DYNAMIC] = { /* should never happen */ },
-
- [CC_OP_EFLAGS] = { compute_all_eflags, compute_c_eflags },
-
- [CC_OP_MUL] = { compute_all_mul, compute_c_mul },
-
- [CC_OP_ADDB] = { compute_all_addb, compute_c_addb },
- [CC_OP_ADDW] = { compute_all_addw, compute_c_addw },
- [CC_OP_ADDL] = { compute_all_addl, compute_c_addl },
-
- [CC_OP_ADCB] = { compute_all_adcb, compute_c_adcb },
- [CC_OP_ADCW] = { compute_all_adcw, compute_c_adcw },
- [CC_OP_ADCL] = { compute_all_adcl, compute_c_adcl },
-
- [CC_OP_SUBB] = { compute_all_subb, compute_c_subb },
- [CC_OP_SUBW] = { compute_all_subw, compute_c_subw },
- [CC_OP_SUBL] = { compute_all_subl, compute_c_subl },
-
- [CC_OP_SBBB] = { compute_all_sbbb, compute_c_sbbb },
- [CC_OP_SBBW] = { compute_all_sbbw, compute_c_sbbw },
- [CC_OP_SBBL] = { compute_all_sbbl, compute_c_sbbl },
-
- [CC_OP_LOGICB] = { compute_all_logicb, compute_c_logicb },
- [CC_OP_LOGICW] = { compute_all_logicw, compute_c_logicw },
- [CC_OP_LOGICL] = { compute_all_logicl, compute_c_logicl },
-
- [CC_OP_INCB] = { compute_all_incb, compute_c_incl },
- [CC_OP_INCW] = { compute_all_incw, compute_c_incl },
- [CC_OP_INCL] = { compute_all_incl, compute_c_incl },
-
- [CC_OP_DECB] = { compute_all_decb, compute_c_incl },
- [CC_OP_DECW] = { compute_all_decw, compute_c_incl },
- [CC_OP_DECL] = { compute_all_decl, compute_c_incl },
-
- [CC_OP_SHLB] = { compute_all_shlb, compute_c_shlb },
- [CC_OP_SHLW] = { compute_all_shlw, compute_c_shlw },
- [CC_OP_SHLL] = { compute_all_shll, compute_c_shll },
-
- [CC_OP_SARB] = { compute_all_sarb, compute_c_sarl },
- [CC_OP_SARW] = { compute_all_sarw, compute_c_sarl },
- [CC_OP_SARL] = { compute_all_sarl, compute_c_sarl },
-};
-
-/* floating point support. Some of the code for complicated x87
- functions comes from the LGPL'ed x86 emulator found in the Willows
- TWIN windows emulator. */
-
-#if defined(__powerpc__)
-extern CPU86_LDouble copysign(CPU86_LDouble, CPU86_LDouble);
-
-/* correct (but slow) PowerPC rint() (glibc version is incorrect) */
-double qemu_rint(double x)
-{
- double y = 4503599627370496.0;
- if (fabs(x) >= y)
- return x;
- if (x < 0)
- y = -y;
- y = (x + y) - y;
- if (y == 0.0)
- y = copysign(y, x);
- return y;
-}
-
-#define rint qemu_rint
-#endif
-
-/* fp load FT0 */
-
-void OPPROTO op_flds_FT0_A0(void)
-{
-#ifdef USE_FP_CONVERT
- FP_CONVERT.i32 = ldl((void *)A0);
- FT0 = FP_CONVERT.f;
-#else
- FT0 = ldfl((void *)A0);
-#endif
-}
-
-void OPPROTO op_fldl_FT0_A0(void)
-{
-#ifdef USE_FP_CONVERT
- FP_CONVERT.i64 = ldq((void *)A0);
- FT0 = FP_CONVERT.d;
-#else
- FT0 = ldfq((void *)A0);
-#endif
-}
-
-/* helpers are needed to avoid static constant reference. XXX: find a better way */
-#ifdef USE_INT_TO_FLOAT_HELPERS
-
-void helper_fild_FT0_A0(void)
-{
- FT0 = (CPU86_LDouble)ldsw((void *)A0);
-}
-
-void helper_fildl_FT0_A0(void)
-{
- FT0 = (CPU86_LDouble)((int32_t)ldl((void *)A0));
-}
-
-void helper_fildll_FT0_A0(void)
-{
- FT0 = (CPU86_LDouble)((int64_t)ldq((void *)A0));
-}
-
-void OPPROTO op_fild_FT0_A0(void)
-{
- helper_fild_FT0_A0();
-}
-
-void OPPROTO op_fildl_FT0_A0(void)
-{
- helper_fildl_FT0_A0();
-}
-
-void OPPROTO op_fildll_FT0_A0(void)
-{
- helper_fildll_FT0_A0();
-}
-
-#else
-
-void OPPROTO op_fild_FT0_A0(void)
-{
-#ifdef USE_FP_CONVERT
- FP_CONVERT.i32 = ldsw((void *)A0);
- FT0 = (CPU86_LDouble)FP_CONVERT.i32;
-#else
- FT0 = (CPU86_LDouble)ldsw((void *)A0);
-#endif
-}
-
-void OPPROTO op_fildl_FT0_A0(void)
-{
-#ifdef USE_FP_CONVERT
- FP_CONVERT.i32 = (int32_t) ldl((void *)A0);
- FT0 = (CPU86_LDouble)FP_CONVERT.i32;
-#else
- FT0 = (CPU86_LDouble)((int32_t)ldl((void *)A0));
-#endif
-}
-
-void OPPROTO op_fildll_FT0_A0(void)
-{
-#ifdef USE_FP_CONVERT
- FP_CONVERT.i64 = (int64_t) ldq((void *)A0);
- FT0 = (CPU86_LDouble)FP_CONVERT.i64;
-#else
- FT0 = (CPU86_LDouble)((int64_t)ldq((void *)A0));
-#endif
-}
-#endif
-
-/* fp load ST0 */
-
-void OPPROTO op_flds_ST0_A0(void)
-{
- int new_fpstt;
- new_fpstt = (env->fpstt - 1) & 7;
-#ifdef USE_FP_CONVERT
- FP_CONVERT.i32 = ldl((void *)A0);
- env->fpregs[new_fpstt] = FP_CONVERT.f;
-#else
- env->fpregs[new_fpstt] = ldfl((void *)A0);
-#endif
- env->fpstt = new_fpstt;
- env->fptags[new_fpstt] = 0; /* validate stack entry */
-}
-
-void OPPROTO op_fldl_ST0_A0(void)
-{
- int new_fpstt;
- new_fpstt = (env->fpstt - 1) & 7;
-#ifdef USE_FP_CONVERT
- FP_CONVERT.i64 = ldq((void *)A0);
- env->fpregs[new_fpstt] = FP_CONVERT.d;
-#else
- env->fpregs[new_fpstt] = ldfq((void *)A0);
-#endif
- env->fpstt = new_fpstt;
- env->fptags[new_fpstt] = 0; /* validate stack entry */
-}
-
-#ifdef USE_X86LDOUBLE
-void OPPROTO op_fldt_ST0_A0(void)
-{
- int new_fpstt;
- new_fpstt = (env->fpstt - 1) & 7;
- env->fpregs[new_fpstt] = *(long double *)A0;
- env->fpstt = new_fpstt;
- env->fptags[new_fpstt] = 0; /* validate stack entry */
-}
-#else
-void OPPROTO op_fldt_ST0_A0(void)
-{
- helper_fldt_ST0_A0();
-}
-#endif
-
-/* helpers are needed to avoid static constant reference. XXX: find a better way */
-#ifdef USE_INT_TO_FLOAT_HELPERS
-
-void helper_fild_ST0_A0(void)
-{
- int new_fpstt;
- new_fpstt = (env->fpstt - 1) & 7;
- env->fpregs[new_fpstt] = (CPU86_LDouble)ldsw((void *)A0);
- env->fpstt = new_fpstt;
- env->fptags[new_fpstt] = 0; /* validate stack entry */
-}
-
-void helper_fildl_ST0_A0(void)
-{
- int new_fpstt;
- new_fpstt = (env->fpstt - 1) & 7;
- env->fpregs[new_fpstt] = (CPU86_LDouble)((int32_t)ldl((void *)A0));
- env->fpstt = new_fpstt;
- env->fptags[new_fpstt] = 0; /* validate stack entry */
-}
-
-void helper_fildll_ST0_A0(void)
-{
- int new_fpstt;
- new_fpstt = (env->fpstt - 1) & 7;
- env->fpregs[new_fpstt] = (CPU86_LDouble)((int64_t)ldq((void *)A0));
- env->fpstt = new_fpstt;
- env->fptags[new_fpstt] = 0; /* validate stack entry */
-}
-
-void OPPROTO op_fild_ST0_A0(void)
-{
- helper_fild_ST0_A0();
-}
-
-void OPPROTO op_fildl_ST0_A0(void)
-{
- helper_fildl_ST0_A0();
-}
-
-void OPPROTO op_fildll_ST0_A0(void)
-{
- helper_fildll_ST0_A0();
-}
-
-#else
-
-void OPPROTO op_fild_ST0_A0(void)
-{
- int new_fpstt;
- new_fpstt = (env->fpstt - 1) & 7;
-#ifdef USE_FP_CONVERT
- FP_CONVERT.i32 = ldsw((void *)A0);
- env->fpregs[new_fpstt] = (CPU86_LDouble)FP_CONVERT.i32;
-#else
- env->fpregs[new_fpstt] = (CPU86_LDouble)ldsw((void *)A0);
-#endif
- env->fpstt = new_fpstt;
- env->fptags[new_fpstt] = 0; /* validate stack entry */
-}
-
-void OPPROTO op_fildl_ST0_A0(void)
-{
- int new_fpstt;
- new_fpstt = (env->fpstt - 1) & 7;
-#ifdef USE_FP_CONVERT
- FP_CONVERT.i32 = (int32_t) ldl((void *)A0);
- env->fpregs[new_fpstt] = (CPU86_LDouble)FP_CONVERT.i32;
-#else
- env->fpregs[new_fpstt] = (CPU86_LDouble)((int32_t)ldl((void *)A0));
-#endif
- env->fpstt = new_fpstt;
- env->fptags[new_fpstt] = 0; /* validate stack entry */
-}
-
-void OPPROTO op_fildll_ST0_A0(void)
-{
- int new_fpstt;
- new_fpstt = (env->fpstt - 1) & 7;
-#ifdef USE_FP_CONVERT
- FP_CONVERT.i64 = (int64_t) ldq((void *)A0);
- env->fpregs[new_fpstt] = (CPU86_LDouble)FP_CONVERT.i64;
-#else
- env->fpregs[new_fpstt] = (CPU86_LDouble)((int64_t)ldq((void *)A0));
-#endif
- env->fpstt = new_fpstt;
- env->fptags[new_fpstt] = 0; /* validate stack entry */
-}
-
-#endif
-
-/* fp store */
-
-void OPPROTO op_fsts_ST0_A0(void)
-{
-#ifdef USE_FP_CONVERT
- FP_CONVERT.f = (float)ST0;
- stfl((void *)A0, FP_CONVERT.f);
-#else
- stfl((void *)A0, (float)ST0);
-#endif
-}
-
-void OPPROTO op_fstl_ST0_A0(void)
-{
- stfq((void *)A0, (double)ST0);
-}
-
-#ifdef USE_X86LDOUBLE
-void OPPROTO op_fstt_ST0_A0(void)
-{
- *(long double *)A0 = ST0;
-}
-#else
-void OPPROTO op_fstt_ST0_A0(void)
-{
- helper_fstt_ST0_A0();
-}
-#endif
-
-void OPPROTO op_fist_ST0_A0(void)
-{
-#if defined(__sparc__) && !defined(__sparc_v9__)
- register CPU86_LDouble d asm("o0");
-#else
- CPU86_LDouble d;
-#endif
- int val;
-
- d = ST0;
- val = lrint(d);
- if (val != (int16_t)val)
- val = -32768;
- stw((void *)A0, val);
-}
-
-void OPPROTO op_fistl_ST0_A0(void)
-{
-#if defined(__sparc__) && !defined(__sparc_v9__)
- register CPU86_LDouble d asm("o0");
-#else
- CPU86_LDouble d;
-#endif
- int val;
-
- d = ST0;
- val = lrint(d);
- stl((void *)A0, val);
-}
-
-void OPPROTO op_fistll_ST0_A0(void)
-{
-#if defined(__sparc__) && !defined(__sparc_v9__)
- register CPU86_LDouble d asm("o0");
-#else
- CPU86_LDouble d;
-#endif
- int64_t val;
-
- d = ST0;
- val = llrint(d);
- stq((void *)A0, val);
-}
-
-void OPPROTO op_fbld_ST0_A0(void)
-{
- helper_fbld_ST0_A0();
-}
-
-void OPPROTO op_fbst_ST0_A0(void)
-{
- helper_fbst_ST0_A0();
-}
-
-/* FPU move */
-
-void OPPROTO op_fpush(void)
-{
- fpush();
-}
-
-void OPPROTO op_fpop(void)
-{
- fpop();
-}
-
-void OPPROTO op_fdecstp(void)
-{
- env->fpstt = (env->fpstt - 1) & 7;
- env->fpus &= (~0x4700);
-}
-
-void OPPROTO op_fincstp(void)
-{
- env->fpstt = (env->fpstt + 1) & 7;
- env->fpus &= (~0x4700);
-}
-
-void OPPROTO op_fmov_ST0_FT0(void)
-{
- ST0 = FT0;
-}
-
-void OPPROTO op_fmov_FT0_STN(void)
-{
- FT0 = ST(PARAM1);
-}
-
-void OPPROTO op_fmov_ST0_STN(void)
-{
- ST0 = ST(PARAM1);
-}
-
-void OPPROTO op_fmov_STN_ST0(void)
-{
- ST(PARAM1) = ST0;
-}
-
-void OPPROTO op_fxchg_ST0_STN(void)
-{
- CPU86_LDouble tmp;
- tmp = ST(PARAM1);
- ST(PARAM1) = ST0;
- ST0 = tmp;
-}
-
-/* FPU operations */
-
-/* XXX: handle nans */
-void OPPROTO op_fcom_ST0_FT0(void)
-{
- env->fpus &= (~0x4500); /* (C3,C2,C0) <-- 000 */
- if (ST0 < FT0)
- env->fpus |= 0x100; /* (C3,C2,C0) <-- 001 */
- else if (ST0 == FT0)
- env->fpus |= 0x4000; /* (C3,C2,C0) <-- 100 */
- FORCE_RET();
-}
-
-/* XXX: handle nans */
-void OPPROTO op_fucom_ST0_FT0(void)
-{
- env->fpus &= (~0x4500); /* (C3,C2,C0) <-- 000 */
- if (ST0 < FT0)
- env->fpus |= 0x100; /* (C3,C2,C0) <-- 001 */
- else if (ST0 == FT0)
- env->fpus |= 0x4000; /* (C3,C2,C0) <-- 100 */
- FORCE_RET();
-}
-
-/* XXX: handle nans */
-void OPPROTO op_fcomi_ST0_FT0(void)
-{
- int eflags;
- eflags = cc_table[CC_OP].compute_all();
- eflags &= ~(CC_Z | CC_P | CC_C);
- if (ST0 < FT0)
- eflags |= CC_C;
- else if (ST0 == FT0)
- eflags |= CC_Z;
- CC_SRC = eflags;
- FORCE_RET();
-}
-
-/* XXX: handle nans */
-void OPPROTO op_fucomi_ST0_FT0(void)
-{
- int eflags;
- eflags = cc_table[CC_OP].compute_all();
- eflags &= ~(CC_Z | CC_P | CC_C);
- if (ST0 < FT0)
- eflags |= CC_C;
- else if (ST0 == FT0)
- eflags |= CC_Z;
- CC_SRC = eflags;
- FORCE_RET();
-}
-
-void OPPROTO op_fadd_ST0_FT0(void)
-{
- ST0 += FT0;
-}
-
-void OPPROTO op_fmul_ST0_FT0(void)
-{
- ST0 *= FT0;
-}
-
-void OPPROTO op_fsub_ST0_FT0(void)
-{
- ST0 -= FT0;
-}
-
-void OPPROTO op_fsubr_ST0_FT0(void)
-{
- ST0 = FT0 - ST0;
-}
-
-void OPPROTO op_fdiv_ST0_FT0(void)
-{
- ST0 /= FT0;
-}
-
-void OPPROTO op_fdivr_ST0_FT0(void)
-{
- ST0 = FT0 / ST0;
-}
-
-/* fp operations between STN and ST0 */
-
-void OPPROTO op_fadd_STN_ST0(void)
-{
- ST(PARAM1) += ST0;
-}
-
-void OPPROTO op_fmul_STN_ST0(void)
-{
- ST(PARAM1) *= ST0;
-}
-
-void OPPROTO op_fsub_STN_ST0(void)
-{
- ST(PARAM1) -= ST0;
-}
-
-void OPPROTO op_fsubr_STN_ST0(void)
-{
- CPU86_LDouble *p;
- p = &ST(PARAM1);
- *p = ST0 - *p;
-}
-
-void OPPROTO op_fdiv_STN_ST0(void)
-{
- ST(PARAM1) /= ST0;
-}
-
-void OPPROTO op_fdivr_STN_ST0(void)
-{
- CPU86_LDouble *p;
- p = &ST(PARAM1);
- *p = ST0 / *p;
-}
-
-/* misc FPU operations */
-void OPPROTO op_fchs_ST0(void)
-{
- ST0 = -ST0;
-}
-
-void OPPROTO op_fabs_ST0(void)
-{
- ST0 = fabs(ST0);
-}
-
-void OPPROTO op_fxam_ST0(void)
-{
- helper_fxam_ST0();
-}
-
-void OPPROTO op_fld1_ST0(void)
-{
- ST0 = f15rk[1];
-}
-
-void OPPROTO op_fldl2t_ST0(void)
-{
- ST0 = f15rk[6];
-}
-
-void OPPROTO op_fldl2e_ST0(void)
-{
- ST0 = f15rk[5];
-}
-
-void OPPROTO op_fldpi_ST0(void)
-{
- ST0 = f15rk[2];
-}
-
-void OPPROTO op_fldlg2_ST0(void)
-{
- ST0 = f15rk[3];
-}
-
-void OPPROTO op_fldln2_ST0(void)
-{
- ST0 = f15rk[4];
-}
-
-void OPPROTO op_fldz_ST0(void)
-{
- ST0 = f15rk[0];
-}
-
-void OPPROTO op_fldz_FT0(void)
-{
- ST0 = f15rk[0];
-}
-
-/* associated heplers to reduce generated code length and to simplify
- relocation (FP constants are usually stored in .rodata section) */
-
-void OPPROTO op_f2xm1(void)
-{
- helper_f2xm1();
-}
-
-void OPPROTO op_fyl2x(void)
-{
- helper_fyl2x();
-}
-
-void OPPROTO op_fptan(void)
-{
- helper_fptan();
-}
-
-void OPPROTO op_fpatan(void)
-{
- helper_fpatan();
-}
-
-void OPPROTO op_fxtract(void)
-{
- helper_fxtract();
-}
-
-void OPPROTO op_fprem1(void)
-{
- helper_fprem1();
-}
-
-
-void OPPROTO op_fprem(void)
-{
- helper_fprem();
-}
-
-void OPPROTO op_fyl2xp1(void)
-{
- helper_fyl2xp1();
-}
-
-void OPPROTO op_fsqrt(void)
-{
- helper_fsqrt();
-}
-
-void OPPROTO op_fsincos(void)
-{
- helper_fsincos();
-}
-
-void OPPROTO op_frndint(void)
-{
- helper_frndint();
-}
-
-void OPPROTO op_fscale(void)
-{
- helper_fscale();
-}
-
-void OPPROTO op_fsin(void)
-{
- helper_fsin();
-}
-
-void OPPROTO op_fcos(void)
-{
- helper_fcos();
-}
-
-void OPPROTO op_fnstsw_A0(void)
-{
- int fpus;
- fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
- stw((void *)A0, fpus);
-}
-
-void OPPROTO op_fnstsw_EAX(void)
-{
- int fpus;
- fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
- EAX = (EAX & 0xffff0000) | fpus;
-}
-
-void OPPROTO op_fnstcw_A0(void)
-{
- stw((void *)A0, env->fpuc);
-}
-
-void OPPROTO op_fldcw_A0(void)
-{
- int rnd_type;
- env->fpuc = lduw((void *)A0);
- /* set rounding mode */
- switch(env->fpuc & RC_MASK) {
- default:
- case RC_NEAR:
- rnd_type = FE_TONEAREST;
- break;
- case RC_DOWN:
- rnd_type = FE_DOWNWARD;
- break;
- case RC_UP:
- rnd_type = FE_UPWARD;
- break;
- case RC_CHOP:
- rnd_type = FE_TOWARDZERO;
- break;
- }
- fesetround(rnd_type);
-}
-
-void OPPROTO op_fclex(void)
-{
- env->fpus &= 0x7f00;
-}
-
-void OPPROTO op_fninit(void)
-{
- env->fpus = 0;
- env->fpstt = 0;
- env->fpuc = 0x37f;
- env->fptags[0] = 1;
- env->fptags[1] = 1;
- env->fptags[2] = 1;
- env->fptags[3] = 1;
- env->fptags[4] = 1;
- env->fptags[5] = 1;
- env->fptags[6] = 1;
- env->fptags[7] = 1;
-}
-
-void OPPROTO op_fnstenv_A0(void)
-{
- helper_fstenv((uint8_t *)A0, PARAM1);
-}
-
-void OPPROTO op_fldenv_A0(void)
-{
- helper_fldenv((uint8_t *)A0, PARAM1);
-}
-
-void OPPROTO op_fnsave_A0(void)
-{
- helper_fsave((uint8_t *)A0, PARAM1);
-}
-
-void OPPROTO op_frstor_A0(void)
-{
- helper_frstor((uint8_t *)A0, PARAM1);
-}
-
-/* threading support */
-void OPPROTO op_lock(void)
-{
- cpu_lock();
-}
-
-void OPPROTO op_unlock(void)
-{
- cpu_unlock();
-}
-
projects / qemu.git / blobdiff