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Diffstat (limited to 'target-i386/op.c')
| -rw-r--r-- | target-i386/op.c | 2444 |
1 files changed, 2444 insertions, 0 deletions
diff --git a/target-i386/op.c b/target-i386/op.c new file mode 100644 index 0000000..7a3aa77 --- /dev/null +++ b/target-i386/op.c @@ -0,0 +1,2444 @@ +/* + * 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 + */ + +#define ASM_SOFTMMU +#include "exec.h" + +/* n must be a constant to be efficient */ +static inline target_long lshift(target_long 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 + +#ifdef TARGET_X86_64 + +#define REG (env->regs[8]) +#define REGNAME _R8 +#include "opreg_template.h" +#undef REG +#undef REGNAME + +#define REG (env->regs[9]) +#define REGNAME _R9 +#include "opreg_template.h" +#undef REG +#undef REGNAME + +#define REG (env->regs[10]) +#define REGNAME _R10 +#include "opreg_template.h" +#undef REG +#undef REGNAME + +#define REG (env->regs[11]) +#define REGNAME _R11 +#include "opreg_template.h" +#undef REG +#undef REGNAME + +#define REG (env->regs[12]) +#define REGNAME _R12 +#include "opreg_template.h" +#undef REG +#undef REGNAME + +#define REG (env->regs[13]) +#define REGNAME _R13 +#include "opreg_template.h" +#undef REG +#undef REGNAME + +#define REG (env->regs[14]) +#define REGNAME _R14 +#include "opreg_template.h" +#undef REG +#undef REGNAME + +#define REG (env->regs[15]) +#define REGNAME _R15 +#include "opreg_template.h" +#undef REG +#undef REGNAME + +#endif + +/* 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); +} + +#ifdef TARGET_X86_64 +void OPPROTO op_bswapq_T0(void) +{ + helper_bswapq_T0(); +} +#endif + +/* multiply/divide */ + +/* XXX: add eflags optimizations */ +/* XXX: add non P4 style flags */ + +void OPPROTO op_mulb_AL_T0(void) +{ + unsigned int res; + res = (uint8_t)EAX * (uint8_t)T0; + EAX = (EAX & ~0xffff) | res; + CC_DST = res; + CC_SRC = (res & 0xff00); +} + +void OPPROTO op_imulb_AL_T0(void) +{ + int res; + res = (int8_t)EAX * (int8_t)T0; + EAX = (EAX & ~0xffff) | (res & 0xffff); + CC_DST = res; + 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 & ~0xffff) | (res & 0xffff); + EDX = (EDX & ~0xffff) | ((res >> 16) & 0xffff); + CC_DST = res; + CC_SRC = res >> 16; +} + +void OPPROTO op_imulw_AX_T0(void) +{ + int res; + res = (int16_t)EAX * (int16_t)T0; + EAX = (EAX & ~0xffff) | (res & 0xffff); + EDX = (EDX & ~0xffff) | ((res >> 16) & 0xffff); + CC_DST = res; + 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 = (uint32_t)res; + EDX = (uint32_t)(res >> 32); + CC_DST = (uint32_t)res; + CC_SRC = (uint32_t)(res >> 32); +} + +void OPPROTO op_imull_EAX_T0(void) +{ + int64_t res; + res = (int64_t)((int32_t)EAX) * (int64_t)((int32_t)T0); + EAX = (uint32_t)(res); + EDX = (uint32_t)(res >> 32); + CC_DST = res; + 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_DST = 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_DST = res; + CC_SRC = (res != (int32_t)res); +} + +#ifdef TARGET_X86_64 +void OPPROTO op_mulq_EAX_T0(void) +{ + helper_mulq_EAX_T0(); +} + +void OPPROTO op_imulq_EAX_T0(void) +{ + helper_imulq_EAX_T0(); +} + +void OPPROTO op_imulq_T0_T1(void) +{ + helper_imulq_T0_T1(); +} +#endif + +/* division, flags are undefined */ + +void OPPROTO op_divb_AL_T0(void) +{ + unsigned int num, den, q, r; + + num = (EAX & 0xffff); + den = (T0 & 0xff); + if (den == 0) { + raise_exception(EXCP00_DIVZ); + } + q = (num / den); + if (q > 0xff) + raise_exception(EXCP00_DIVZ); + q &= 0xff; + r = (num % den) & 0xff; + EAX = (EAX & ~0xffff) | (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) { + raise_exception(EXCP00_DIVZ); + } + q = (num / den); + if (q != (int8_t)q) + raise_exception(EXCP00_DIVZ); + q &= 0xff; + r = (num % den) & 0xff; + EAX = (EAX & ~0xffff) | (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) { + raise_exception(EXCP00_DIVZ); + } + q = (num / den); + if (q > 0xffff) + raise_exception(EXCP00_DIVZ); + q &= 0xffff; + r = (num % den) & 0xffff; + EAX = (EAX & ~0xffff) | q; + EDX = (EDX & ~0xffff) | 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) { + raise_exception(EXCP00_DIVZ); + } + q = (num / den); + if (q != (int16_t)q) + raise_exception(EXCP00_DIVZ); + q &= 0xffff; + r = (num % den) & 0xffff; + EAX = (EAX & ~0xffff) | q; + EDX = (EDX & ~0xffff) | r; +} + +void OPPROTO op_divl_EAX_T0(void) +{ + helper_divl_EAX_T0(); +} + +void OPPROTO op_idivl_EAX_T0(void) +{ + helper_idivl_EAX_T0(); +} + +#ifdef TARGET_X86_64 +void OPPROTO op_divq_EAX_T0(void) +{ + helper_divq_EAX_T0(); +} + +void OPPROTO op_idivq_EAX_T0(void) +{ + helper_idivq_EAX_T0(); +} +#endif + +/* constant load & misc op */ + +/* XXX: consistent names */ +void OPPROTO op_movl_T0_imu(void) +{ + T0 = (uint32_t)PARAM1; +} + +void OPPROTO op_movl_T0_im(void) +{ + T0 = (int32_t)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_imu(void) +{ + T1 = (uint32_t)PARAM1; +} + +void OPPROTO op_movl_T1_im(void) +{ + T1 = (int32_t)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 = (uint32_t)PARAM1; +} + +void OPPROTO op_addl_A0_im(void) +{ + A0 = (uint32_t)(A0 + PARAM1); +} + +void OPPROTO op_movl_A0_seg(void) +{ + A0 = (uint32_t)*(target_ulong *)((char *)env + PARAM1); +} + +void OPPROTO op_addl_A0_seg(void) +{ + A0 = (uint32_t)(A0 + *(target_ulong *)((char *)env + PARAM1)); +} + +void OPPROTO op_addl_A0_AL(void) +{ + A0 = (uint32_t)(A0 + (EAX & 0xff)); +} + +#ifdef WORDS_BIGENDIAN +typedef union UREG64 { + struct { uint16_t v3, v2, v1, v0; } w; + struct { uint32_t v1, v0; } l; + uint64_t q; +} UREG64; +#else +typedef union UREG64 { + struct { uint16_t v0, v1, v2, v3; } w; + struct { uint32_t v0, v1; } l; + uint64_t q; +} UREG64; +#endif + +#ifdef TARGET_X86_64 + +#define PARAMQ1 \ +({\ + UREG64 __p;\ + __p.l.v1 = PARAM1;\ + __p.l.v0 = PARAM2;\ + __p.q;\ +}) + +void OPPROTO op_movq_T0_im64(void) +{ + T0 = PARAMQ1; +} + +void OPPROTO op_movq_T1_im64(void) +{ + T1 = PARAMQ1; +} + +void OPPROTO op_movq_A0_im(void) +{ + A0 = (int32_t)PARAM1; +} + +void OPPROTO op_movq_A0_im64(void) +{ + A0 = PARAMQ1; +} + +void OPPROTO op_addq_A0_im(void) +{ + A0 = (A0 + (int32_t)PARAM1); +} + +void OPPROTO op_addq_A0_im64(void) +{ + A0 = (A0 + PARAMQ1); +} + +void OPPROTO op_movq_A0_seg(void) +{ + A0 = *(target_ulong *)((char *)env + PARAM1); +} + +void OPPROTO op_addq_A0_seg(void) +{ + A0 += *(target_ulong *)((char *)env + PARAM1); +} + +void OPPROTO op_addq_A0_AL(void) +{ + A0 = (A0 + (EAX & 0xff)); +} + +#endif + +void OPPROTO op_andl_A0_ffff(void) +{ + A0 = A0 & 0xffff; +} + +/* memory access */ + +#define MEMSUFFIX _raw +#include "ops_mem.h" + +#if !defined(CONFIG_USER_ONLY) +#define MEMSUFFIX _kernel +#include "ops_mem.h" + +#define MEMSUFFIX _user +#include "ops_mem.h" +#endif + +/* indirect jump */ + +void OPPROTO op_jmp_T0(void) +{ + EIP = T0; +} + +void OPPROTO op_movl_eip_im(void) +{ + EIP = (uint32_t)PARAM1; +} + +#ifdef TARGET_X86_64 +void OPPROTO op_movq_eip_im(void) +{ + EIP = (int32_t)PARAM1; +} + +void OPPROTO op_movq_eip_im64(void) +{ + EIP = PARAMQ1; +} +#endif + +void OPPROTO op_hlt(void) +{ + helper_hlt(); +} + +void OPPROTO op_monitor(void) +{ + helper_monitor(); +} + +void OPPROTO op_mwait(void) +{ + helper_mwait(); +} + +void OPPROTO op_debug(void) +{ + env->exception_index = EXCP_DEBUG; + cpu_loop_exit(); +} + +void OPPROTO op_raise_interrupt(void) +{ + int intno, next_eip_addend; + intno = PARAM1; + next_eip_addend = PARAM2; + raise_interrupt(intno, 1, 0, next_eip_addend); +} + +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(A0); + high = ldsw(A0 + 2); + v = (int16_t)T0; + if (v < low || v > high) { + raise_exception(EXCP05_BOUND); + } + FORCE_RET(); +} + +void OPPROTO op_boundl(void) +{ + int low, high, v; + low = ldl(A0); + high = ldl(A0 + 4); + v = T0; + if (v < low || v > high) { + raise_exception(EXCP05_BOUND); + } + FORCE_RET(); +} + +void OPPROTO op_cmpxchg8b(void) +{ + helper_cmpxchg8b(); +} + +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 + +#ifdef TARGET_X86_64 + +#define SHIFT 3 +#include "ops_template.h" +#undef SHIFT + +#endif + +/* 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; +} + +#ifdef TARGET_X86_64 +void OPPROTO op_movslq_T0_T0(void) +{ + T0 = (int32_t)T0; +} + +void OPPROTO op_movslq_RAX_EAX(void) +{ + EAX = (int32_t)EAX; +} +#endif + +void OPPROTO op_movsbw_AX_AL(void) +{ + EAX = (EAX & ~0xffff) | ((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 & ~0xffff) | (((int16_t)EAX >> 15) & 0xffff); +} + +#ifdef TARGET_X86_64 +void OPPROTO op_movsqo_RDX_RAX(void) +{ + EDX = (int64_t)EAX >> 63; +} +#endif + +/* string ops helpers */ + +void OPPROTO op_addl_ESI_T0(void) +{ + ESI = (uint32_t)(ESI + T0); +} + +void OPPROTO op_addw_ESI_T0(void) +{ + ESI = (ESI & ~0xffff) | ((ESI + T0) & 0xffff); +} + +void OPPROTO op_addl_EDI_T0(void) +{ + EDI = (uint32_t)(EDI + T0); +} + +void OPPROTO op_addw_EDI_T0(void) +{ + EDI = (EDI & ~0xffff) | ((EDI + T0) & 0xffff); +} + +void OPPROTO op_decl_ECX(void) +{ + ECX = (uint32_t)(ECX - 1); +} + +void OPPROTO op_decw_ECX(void) +{ + ECX = (ECX & ~0xffff) | ((ECX - 1) & 0xffff); +} + +#ifdef TARGET_X86_64 +void OPPROTO op_addq_ESI_T0(void) +{ + ESI = (ESI + T0); +} + +void OPPROTO op_addq_EDI_T0(void) +{ + EDI = (EDI + T0); +} + +void OPPROTO op_decq_ECX(void) +{ + ECX--; +} +#endif + +/* push/pop utils */ + +void op_addl_A0_SS(void) +{ + A0 = (uint32_t)(A0 + env->segs[R_SS].base); +} + +void op_subl_A0_2(void) +{ + A0 = (uint32_t)(A0 - 2); +} + +void op_subl_A0_4(void) +{ + A0 = (uint32_t)(A0 - 4); +} + +void op_addl_ESP_4(void) +{ + ESP = (uint32_t)(ESP + 4); +} + +void op_addl_ESP_2(void) +{ + ESP = (uint32_t)(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 = (uint32_t)(ESP + PARAM1); +} + +void op_addw_ESP_im(void) +{ + ESP = (ESP & ~0xffff) | ((ESP + PARAM1) & 0xffff); +} + +#ifdef TARGET_X86_64 +void op_subq_A0_2(void) +{ + A0 -= 2; +} + +void op_subq_A0_8(void) +{ + A0 -= 8; +} + +void op_addq_ESP_8(void) +{ + ESP += 8; +} + +void op_addq_ESP_im(void) +{ + ESP += PARAM1; +} +#endif + +void OPPROTO op_rdtsc(void) +{ + helper_rdtsc(); +} + +void OPPROTO op_cpuid(void) +{ + helper_cpuid(); +} + +void OPPROTO op_enter_level(void) +{ + helper_enter_level(PARAM1, PARAM2); +} + +#ifdef TARGET_X86_64 +void OPPROTO op_enter64_level(void) +{ + helper_enter64_level(PARAM1, PARAM2); +} +#endif + +void OPPROTO op_sysenter(void) +{ + helper_sysenter(); +} + +void OPPROTO op_sysexit(void) +{ + helper_sysexit(); +} + +#ifdef TARGET_X86_64 +void OPPROTO op_syscall(void) +{ + helper_syscall(PARAM1); +} + +void OPPROTO op_sysret(void) +{ + helper_sysret(PARAM1); +} +#endif + +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; + FORCE_RET(); +} + +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; + FORCE_RET(); +} + +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; + FORCE_RET(); +} + +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; + FORCE_RET(); +} + +/* segment handling */ + +/* never use it with R_CS */ +void OPPROTO op_movl_seg_T0(void) +{ + load_seg(PARAM1, T0); +} + +/* 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 = (selector << 4); +} + +void OPPROTO op_movl_T0_seg(void) +{ + T0 = env->segs[PARAM1].selector; +} + +void OPPROTO op_lsl(void) +{ + helper_lsl(); +} + +void OPPROTO op_lar(void) +{ + helper_lar(); +} + +void OPPROTO op_verr(void) +{ + helper_verr(); +} + +void OPPROTO op_verw(void) +{ + helper_verw(); +} + +void OPPROTO op_arpl(void) +{ + if ((T0 & 3) < (T1 & 3)) { + /* XXX: emulate bug or 0xff3f0000 oring as in bochs ? */ + T0 = (T0 & ~3) | (T1 & 3); + T1 = CC_Z; + } else { + T1 = 0; + } + FORCE_RET(); +} + +void OPPROTO op_arpl_update(void) +{ + int eflags; + eflags = cc_table[CC_OP].compute_all(); + CC_SRC = (eflags & ~CC_Z) | T1; +} + +/* T0: segment, T1:eip */ +void OPPROTO op_ljmp_protected_T0_T1(void) +{ + helper_ljmp_protected_T0_T1(PARAM1); +} + +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, PARAM2); +} + +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); +} + +#if !defined(CONFIG_USER_ONLY) +void OPPROTO op_movtl_T0_cr8(void) +{ + T0 = cpu_get_apic_tpr(env); +} +#endif + +/* 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. PE cannot be set to zero + if already set to one. */ + T0 = (env->cr[0] & ~0xe) | (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_movtl_T0_env(void) +{ + T0 = *(target_ulong *)((char *)env + PARAM1); +} + +void OPPROTO op_movtl_env_T0(void) +{ + *(target_ulong *)((char *)env + PARAM1) = T0; +} + +void OPPROTO op_movtl_T1_env(void) +{ + T1 = *(target_ulong *)((char *)env + PARAM1); +} + +void OPPROTO op_movtl_env_T1(void) +{ + *(target_ulong *)((char *)env + PARAM1) = T1; +} + +void OPPROTO op_clts(void) +{ + env->cr[0] &= ~CR0_TS_MASK; + env->hflags &= ~HF_TS_MASK; +} + +/* flags handling */ + +void OPPROTO op_goto_tb0(void) +{ + GOTO_TB(op_goto_tb0, PARAM1, 0); +} + +void OPPROTO op_goto_tb1(void) +{ + GOTO_TB(op_goto_tb1, PARAM1, 1); +} + +void OPPROTO op_jmp_label(void) +{ + GOTO_LABEL_PARAM(1); +} + +void OPPROTO op_jnz_T0_label(void) +{ + if (T0) + GOTO_LABEL_PARAM(1); + FORCE_RET(); +} + +void OPPROTO op_jz_T0_label(void) +{ + if (!T0) + GOTO_LABEL_PARAM(1); + 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; +} + +void OPPROTO op_mov_T0_cc(void) +{ + T0 = cc_table[CC_OP].compute_all(); +} + +/* XXX: clear VIF/VIP in all ops ? */ + +void OPPROTO op_movl_eflags_T0(void) +{ + load_eflags(T0, (TF_MASK | AC_MASK | ID_MASK | NT_MASK)); +} + +void OPPROTO op_movw_eflags_T0(void) +{ + load_eflags(T0, (TF_MASK | AC_MASK | ID_MASK | NT_MASK) & 0xffff); +} + +void OPPROTO op_movl_eflags_T0_io(void) +{ + load_eflags(T0, (TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK)); +} + +void OPPROTO op_movw_eflags_T0_io(void) +{ + load_eflags(T0, (TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK) & 0xffff); +} + +void OPPROTO op_movl_eflags_T0_cpl0(void) +{ + load_eflags(T0, (TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK | IOPL_MASK)); +} + +void OPPROTO op_movw_eflags_T0_cpl0(void) +{ + load_eflags(T0, (TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK | IOPL_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; +} + +CCTable cc_table[CC_OP_NB] = { + [CC_OP_DYNAMIC] = { /* should never happen */ }, + + [CC_OP_EFLAGS] = { compute_all_eflags, compute_c_eflags }, + + [CC_OP_MULB] = { compute_all_mulb, compute_c_mull }, + [CC_OP_MULW] = { compute_all_mulw, compute_c_mull }, + [CC_OP_MULL] = { compute_all_mull, compute_c_mull }, + + [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 }, + +#ifdef TARGET_X86_64 + [CC_OP_MULQ] = { compute_all_mulq, compute_c_mull }, + + [CC_OP_ADDQ] = { compute_all_addq, compute_c_addq }, + + [CC_OP_ADCQ] = { compute_all_adcq, compute_c_adcq }, + + [CC_OP_SUBQ] = { compute_all_subq, compute_c_subq }, + + [CC_OP_SBBQ] = { compute_all_sbbq, compute_c_sbbq }, + + [CC_OP_LOGICQ] = { compute_all_logicq, compute_c_logicq }, + + [CC_OP_INCQ] = { compute_all_incq, compute_c_incl }, + + [CC_OP_DECQ] = { compute_all_decq, compute_c_incl }, + + [CC_OP_SHLQ] = { compute_all_shlq, compute_c_shlq }, + + [CC_OP_SARQ] = { compute_all_sarq, compute_c_sarl }, +#endif +}; + +/* 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. */ + +/* fp load FT0 */ + +void OPPROTO op_flds_FT0_A0(void) +{ +#ifdef USE_FP_CONVERT + FP_CONVERT.i32 = ldl(A0); + FT0 = FP_CONVERT.f; +#else + FT0 = ldfl(A0); +#endif +} + +void OPPROTO op_fldl_FT0_A0(void) +{ +#ifdef USE_FP_CONVERT + FP_CONVERT.i64 = ldq(A0); + FT0 = FP_CONVERT.d; +#else + FT0 = ldfq(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(A0); +} + +void helper_fildl_FT0_A0(void) +{ + FT0 = (CPU86_LDouble)((int32_t)ldl(A0)); +} + +void helper_fildll_FT0_A0(void) +{ + FT0 = (CPU86_LDouble)((int64_t)ldq(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(A0); + FT0 = (CPU86_LDouble)FP_CONVERT.i32; +#else + FT0 = (CPU86_LDouble)ldsw(A0); +#endif +} + +void OPPROTO op_fildl_FT0_A0(void) +{ +#ifdef USE_FP_CONVERT + FP_CONVERT.i32 = (int32_t) ldl(A0); + FT0 = (CPU86_LDouble)FP_CONVERT.i32; +#else + FT0 = (CPU86_LDouble)((int32_t)ldl(A0)); +#endif +} + +void OPPROTO op_fildll_FT0_A0(void) +{ +#ifdef USE_FP_CONVERT + FP_CONVERT.i64 = (int64_t) ldq(A0); + FT0 = (CPU86_LDouble)FP_CONVERT.i64; +#else + FT0 = (CPU86_LDouble)((int64_t)ldq(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(A0); + env->fpregs[new_fpstt].d = FP_CONVERT.f; +#else + env->fpregs[new_fpstt].d = ldfl(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(A0); + env->fpregs[new_fpstt].d = FP_CONVERT.d; +#else + env->fpregs[new_fpstt].d = ldfq(A0); +#endif + env->fpstt = new_fpstt; + env->fptags[new_fpstt] = 0; /* validate stack entry */ +} + +void OPPROTO op_fldt_ST0_A0(void) +{ + helper_fldt_ST0_A0(); +} + +/* 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].d = (CPU86_LDouble)ldsw(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].d = (CPU86_LDouble)((int32_t)ldl(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].d = (CPU86_LDouble)((int64_t)ldq(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(A0); + env->fpregs[new_fpstt].d = (CPU86_LDouble)FP_CONVERT.i32; +#else + env->fpregs[new_fpstt].d = (CPU86_LDouble)ldsw(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(A0); + env->fpregs[new_fpstt].d = (CPU86_LDouble)FP_CONVERT.i32; +#else + env->fpregs[new_fpstt].d = (CPU86_LDouble)((int32_t)ldl(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(A0); + env->fpregs[new_fpstt].d = (CPU86_LDouble)FP_CONVERT.i64; +#else + env->fpregs[new_fpstt].d = (CPU86_LDouble)((int64_t)ldq(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(A0, FP_CONVERT.f); +#else + stfl(A0, (float)ST0); +#endif + FORCE_RET(); +} + +void OPPROTO op_fstl_ST0_A0(void) +{ + stfq(A0, (double)ST0); + FORCE_RET(); +} + +void OPPROTO op_fstt_ST0_A0(void) +{ + helper_fstt_ST0_A0(); +} + +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 = floatx_to_int32(d, &env->fp_status); + if (val != (int16_t)val) + val = -32768; + stw(A0, val); + FORCE_RET(); +} + +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 = floatx_to_int32(d, &env->fp_status); + stl(A0, val); + FORCE_RET(); +} + +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 = floatx_to_int64(d, &env->fp_status); + stq(A0, val); + FORCE_RET(); +} + +void OPPROTO op_fistt_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 = floatx_to_int32_round_to_zero(d, &env->fp_status); + if (val != (int16_t)val) + val = -32768; + stw(A0, val); + FORCE_RET(); +} + +void OPPROTO op_fisttl_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 = floatx_to_int32_round_to_zero(d, &env->fp_status); + stl(A0, val); + FORCE_RET(); +} + +void OPPROTO op_fisttll_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 = floatx_to_int64_round_to_zero(d, &env->fp_status); + stq(A0, val); + FORCE_RET(); +} + +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_ffree_STN(void) +{ + env->fptags[(env->fpstt + PARAM1) & 7] = 1; +} + +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 */ + +const int fcom_ccval[4] = {0x0100, 0x4000, 0x0000, 0x4500}; + +void OPPROTO op_fcom_ST0_FT0(void) +{ + int ret; + + ret = floatx_compare(ST0, FT0, &env->fp_status); + env->fpus = (env->fpus & ~0x4500) | fcom_ccval[ret + 1]; + FORCE_RET(); +} + +void OPPROTO op_fucom_ST0_FT0(void) +{ + int ret; + + ret = floatx_compare_quiet(ST0, FT0, &env->fp_status); + env->fpus = (env->fpus & ~0x4500) | fcom_ccval[ret+ 1]; + FORCE_RET(); +} + +const int fcomi_ccval[4] = {CC_C, CC_Z, 0, CC_Z | CC_P | CC_C}; + +void OPPROTO op_fcomi_ST0_FT0(void) +{ + int eflags; + int ret; + + ret = floatx_compare(ST0, FT0, &env->fp_status); + eflags = cc_table[CC_OP].compute_all(); + eflags = (eflags & ~(CC_Z | CC_P | CC_C)) | fcomi_ccval[ret + 1]; + CC_SRC = eflags; + FORCE_RET(); +} + +void OPPROTO op_fucomi_ST0_FT0(void) +{ + int eflags; + int ret; + + ret = floatx_compare_quiet(ST0, FT0, &env->fp_status); + eflags = cc_table[CC_OP].compute_all(); + eflags = (eflags & ~(CC_Z | CC_P | CC_C)) | fcomi_ccval[ret + 1]; + CC_SRC = eflags; + FORCE_RET(); +} + +void OPPROTO op_fcmov_ST0_STN_T0(void) +{ + if (T0) { + ST0 = ST(PARAM1); + } + 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 = helper_fdiv(ST0, FT0); +} + +void OPPROTO op_fdivr_ST0_FT0(void) +{ + ST0 = helper_fdiv(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) +{ + CPU86_LDouble *p; + p = &ST(PARAM1); + *p = helper_fdiv(*p, ST0); +} + +void OPPROTO op_fdivr_STN_ST0(void) +{ + CPU86_LDouble *p; + p = &ST(PARAM1); + *p = helper_fdiv(ST0, *p); +} + +/* misc FPU operations */ +void OPPROTO op_fchs_ST0(void) +{ + ST0 = floatx_chs(ST0); +} + +void OPPROTO op_fabs_ST0(void) +{ + ST0 = floatx_abs(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) +{ + FT0 = 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(A0, fpus); + FORCE_RET(); +} + +void OPPROTO op_fnstsw_EAX(void) +{ + int fpus; + fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; + EAX = (EAX & ~0xffff) | fpus; +} + +void OPPROTO op_fnstcw_A0(void) +{ + stw(A0, env->fpuc); + FORCE_RET(); +} + +void OPPROTO op_fldcw_A0(void) +{ + env->fpuc = lduw(A0); + update_fp_status(); +} + +void OPPROTO op_fclex(void) +{ + env->fpus &= 0x7f00; +} + +void OPPROTO op_fwait(void) +{ + if (env->fpus & FPUS_SE) + fpu_raise_exception(); + FORCE_RET(); +} + +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(A0, PARAM1); +} + +void OPPROTO op_fldenv_A0(void) +{ + helper_fldenv(A0, PARAM1); +} + +void OPPROTO op_fnsave_A0(void) +{ + helper_fsave(A0, PARAM1); +} + +void OPPROTO op_frstor_A0(void) +{ + helper_frstor(A0, PARAM1); +} + +/* threading support */ +void OPPROTO op_lock(void) +{ + cpu_lock(); +} + +void OPPROTO op_unlock(void) +{ + cpu_unlock(); +} + +/* SSE support */ +static inline void memcpy16(void *d, void *s) +{ + ((uint32_t *)d)[0] = ((uint32_t *)s)[0]; + ((uint32_t *)d)[1] = ((uint32_t *)s)[1]; + ((uint32_t *)d)[2] = ((uint32_t *)s)[2]; + ((uint32_t *)d)[3] = ((uint32_t *)s)[3]; +} + +void OPPROTO op_movo(void) +{ + /* XXX: badly generated code */ + XMMReg *d, *s; + d = (XMMReg *)((char *)env + PARAM1); + s = (XMMReg *)((char *)env + PARAM2); + memcpy16(d, s); +} + +void OPPROTO op_movq(void) +{ + uint64_t *d, *s; + d = (uint64_t *)((char *)env + PARAM1); + s = (uint64_t *)((char *)env + PARAM2); + *d = *s; +} + +void OPPROTO op_movl(void) +{ + uint32_t *d, *s; + d = (uint32_t *)((char *)env + PARAM1); + s = (uint32_t *)((char *)env + PARAM2); + *d = *s; +} + +void OPPROTO op_movq_env_0(void) +{ + uint64_t *d; + d = (uint64_t *)((char *)env + PARAM1); + *d = 0; +} + +void OPPROTO op_fxsave_A0(void) +{ + helper_fxsave(A0, PARAM1); +} + +void OPPROTO op_fxrstor_A0(void) +{ + helper_fxrstor(A0, PARAM1); +} + +/* XXX: optimize by storing fptt and fptags in the static cpu state */ +void OPPROTO op_enter_mmx(void) +{ + env->fpstt = 0; + *(uint32_t *)(env->fptags) = 0; + *(uint32_t *)(env->fptags + 4) = 0; +} + +void OPPROTO op_emms(void) +{ + /* set to empty state */ + *(uint32_t *)(env->fptags) = 0x01010101; + *(uint32_t *)(env->fptags + 4) = 0x01010101; +} + +#define SHIFT 0 +#include "ops_sse.h" + +#define SHIFT 1 +#include "ops_sse.h" |