651ba608e2
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4516 c046a42c-6fe2-441c-8c8c-71466251a162
223 lines
4.0 KiB
C
223 lines
4.0 KiB
C
/*
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* i386 micro operations
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define ASM_SOFTMMU
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#include "exec.h"
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/* we define the various pieces of code used by the JIT */
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#define REG EAX
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#define REGNAME _EAX
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#include "opreg_template.h"
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#undef REG
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#undef REGNAME
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#define REG ECX
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#define REGNAME _ECX
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#include "opreg_template.h"
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#undef REG
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#undef REGNAME
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#define REG EDX
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#define REGNAME _EDX
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#include "opreg_template.h"
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#undef REG
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#undef REGNAME
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#define REG EBX
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#define REGNAME _EBX
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#include "opreg_template.h"
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#undef REG
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#undef REGNAME
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#define REG ESP
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#define REGNAME _ESP
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#include "opreg_template.h"
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#undef REG
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#undef REGNAME
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#define REG EBP
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#define REGNAME _EBP
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#include "opreg_template.h"
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#undef REG
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#undef REGNAME
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#define REG ESI
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#define REGNAME _ESI
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#include "opreg_template.h"
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#undef REG
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#undef REGNAME
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#define REG EDI
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#define REGNAME _EDI
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#include "opreg_template.h"
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#undef REG
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#undef REGNAME
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#ifdef TARGET_X86_64
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#define REG (env->regs[8])
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#define REGNAME _R8
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#include "opreg_template.h"
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#undef REG
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#undef REGNAME
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#define REG (env->regs[9])
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#define REGNAME _R9
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#include "opreg_template.h"
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#undef REG
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#undef REGNAME
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#define REG (env->regs[10])
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#define REGNAME _R10
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#include "opreg_template.h"
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#undef REG
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#undef REGNAME
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#define REG (env->regs[11])
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#define REGNAME _R11
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#include "opreg_template.h"
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#undef REG
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#undef REGNAME
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#define REG (env->regs[12])
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#define REGNAME _R12
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#include "opreg_template.h"
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#undef REG
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#undef REGNAME
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#define REG (env->regs[13])
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#define REGNAME _R13
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#include "opreg_template.h"
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#undef REG
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#undef REGNAME
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#define REG (env->regs[14])
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#define REGNAME _R14
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#include "opreg_template.h"
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#undef REG
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#undef REGNAME
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#define REG (env->regs[15])
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#define REGNAME _R15
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#include "opreg_template.h"
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#undef REG
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#undef REGNAME
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#endif
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/* multiple size ops */
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#define ldul ldl
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#define SHIFT 0
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#include "ops_template.h"
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#undef SHIFT
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#define SHIFT 1
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#include "ops_template.h"
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#undef SHIFT
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#define SHIFT 2
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#include "ops_template.h"
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#undef SHIFT
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#ifdef TARGET_X86_64
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#define SHIFT 3
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#include "ops_template.h"
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#undef SHIFT
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#endif
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/* flags handling */
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void OPPROTO op_jmp_label(void)
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{
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GOTO_LABEL_PARAM(1);
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}
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void OPPROTO op_jnz_T0_label(void)
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{
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if (T0)
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GOTO_LABEL_PARAM(1);
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FORCE_RET();
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}
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/* slow set cases (compute x86 flags) */
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void OPPROTO op_seto_T0_cc(void)
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{
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int eflags;
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eflags = cc_table[CC_OP].compute_all();
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T0 = (eflags >> 11) & 1;
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}
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void OPPROTO op_setb_T0_cc(void)
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{
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T0 = cc_table[CC_OP].compute_c();
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}
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void OPPROTO op_setz_T0_cc(void)
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{
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int eflags;
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eflags = cc_table[CC_OP].compute_all();
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T0 = (eflags >> 6) & 1;
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}
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void OPPROTO op_setbe_T0_cc(void)
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{
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int eflags;
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eflags = cc_table[CC_OP].compute_all();
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T0 = (eflags & (CC_Z | CC_C)) != 0;
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}
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void OPPROTO op_sets_T0_cc(void)
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{
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int eflags;
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eflags = cc_table[CC_OP].compute_all();
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T0 = (eflags >> 7) & 1;
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}
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void OPPROTO op_setp_T0_cc(void)
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{
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int eflags;
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eflags = cc_table[CC_OP].compute_all();
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T0 = (eflags >> 2) & 1;
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}
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void OPPROTO op_setl_T0_cc(void)
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{
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int eflags;
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eflags = cc_table[CC_OP].compute_all();
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T0 = ((eflags ^ (eflags >> 4)) >> 7) & 1;
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}
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void OPPROTO op_setle_T0_cc(void)
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{
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int eflags;
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eflags = cc_table[CC_OP].compute_all();
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T0 = (((eflags ^ (eflags >> 4)) & 0x80) || (eflags & CC_Z)) != 0;
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}
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void OPPROTO op_xor_T0_1(void)
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{
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T0 ^= 1;
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}
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