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Diffstat (limited to 'target-i386/op.c')
| -rw-r--r-- | target-i386/op.c | 2444 |
1 files changed, 0 insertions, 2444 deletions
diff --git a/target-i386/op.c b/target-i386/op.c deleted file mode 100644 index 7a3aa77..0000000 --- a/target-i386/op.c +++ /dev/null @@ -1,2444 +0,0 @@ -/* - * 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" |