root / target-i386 / op.c @ a8d3431a
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/*
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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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/* n must be a constant to be efficient */
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static inline target_long lshift(target_long x, int n) |
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{
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if (n >= 0) |
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return x << n;
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else
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return x >> (-n);
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} |
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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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/* operations with flags */
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/* update flags with T0 and T1 (add/sub case) */
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void OPPROTO op_update2_cc(void) |
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{
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CC_SRC = T1; |
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CC_DST = T0; |
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} |
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/* update flags with T0 (logic operation case) */
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void OPPROTO op_update1_cc(void) |
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{
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CC_DST = T0; |
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} |
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void OPPROTO op_update_neg_cc(void) |
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{
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CC_SRC = -T0; |
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CC_DST = T0; |
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} |
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void OPPROTO op_cmpl_T0_T1_cc(void) |
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{
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CC_SRC = T1; |
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CC_DST = T0 - T1; |
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} |
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void OPPROTO op_update_inc_cc(void) |
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{
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CC_SRC = cc_table[CC_OP].compute_c(); |
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CC_DST = T0; |
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} |
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void OPPROTO op_testl_T0_T1_cc(void) |
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{
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CC_DST = T0 & T1; |
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} |
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/* operations without flags */
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void OPPROTO op_addl_T0_T1(void) |
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{
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T0 += T1; |
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} |
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void OPPROTO op_orl_T0_T1(void) |
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{
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T0 |= T1; |
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} |
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void OPPROTO op_andl_T0_T1(void) |
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{
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T0 &= T1; |
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} |
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void OPPROTO op_subl_T0_T1(void) |
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{
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T0 -= T1; |
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} |
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void OPPROTO op_xorl_T0_T1(void) |
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{
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T0 ^= T1; |
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} |
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void OPPROTO op_negl_T0(void) |
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{
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T0 = -T0; |
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} |
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void OPPROTO op_incl_T0(void) |
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{
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T0++; |
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} |
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void OPPROTO op_decl_T0(void) |
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{
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T0--; |
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} |
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void OPPROTO op_notl_T0(void) |
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{
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T0 = ~T0; |
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} |
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void OPPROTO op_bswapl_T0(void) |
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{
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T0 = bswap32(T0); |
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} |
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#ifdef TARGET_X86_64
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void OPPROTO op_bswapq_T0(void) |
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{
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T0 = bswap64(T0); |
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} |
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#endif
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/* multiply/divide */
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/* XXX: add eflags optimizations */
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/* XXX: add non P4 style flags */
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void OPPROTO op_mulb_AL_T0(void) |
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{
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unsigned int res; |
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res = (uint8_t)EAX * (uint8_t)T0; |
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EAX = (EAX & ~0xffff) | res;
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CC_DST = res; |
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CC_SRC = (res & 0xff00);
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} |
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void OPPROTO op_imulb_AL_T0(void) |
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{
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int res;
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res = (int8_t)EAX * (int8_t)T0; |
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EAX = (EAX & ~0xffff) | (res & 0xffff); |
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CC_DST = res; |
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CC_SRC = (res != (int8_t)res); |
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} |
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void OPPROTO op_mulw_AX_T0(void) |
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{
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unsigned int res; |
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res = (uint16_t)EAX * (uint16_t)T0; |
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EAX = (EAX & ~0xffff) | (res & 0xffff); |
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EDX = (EDX & ~0xffff) | ((res >> 16) & 0xffff); |
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CC_DST = res; |
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CC_SRC = res >> 16;
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} |
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void OPPROTO op_imulw_AX_T0(void) |
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{
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int res;
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res = (int16_t)EAX * (int16_t)T0; |
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EAX = (EAX & ~0xffff) | (res & 0xffff); |
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EDX = (EDX & ~0xffff) | ((res >> 16) & 0xffff); |
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CC_DST = res; |
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CC_SRC = (res != (int16_t)res); |
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} |
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void OPPROTO op_mull_EAX_T0(void) |
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{
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uint64_t res; |
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res = (uint64_t)((uint32_t)EAX) * (uint64_t)((uint32_t)T0); |
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EAX = (uint32_t)res; |
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EDX = (uint32_t)(res >> 32);
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CC_DST = (uint32_t)res; |
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CC_SRC = (uint32_t)(res >> 32);
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} |
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void OPPROTO op_imull_EAX_T0(void) |
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{
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int64_t res; |
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res = (int64_t)((int32_t)EAX) * (int64_t)((int32_t)T0); |
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EAX = res; |
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EDX = res >> 32;
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CC_DST = res; |
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CC_SRC = (res != (int32_t)res); |
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} |
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void OPPROTO op_imulw_T0_T1(void) |
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{
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int res;
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res = (int16_t)T0 * (int16_t)T1; |
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T0 = res; |
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CC_DST = res; |
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CC_SRC = (res != (int16_t)res); |
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} |
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void OPPROTO op_imull_T0_T1(void) |
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{
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int64_t res; |
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res = (int64_t)((int32_t)T0) * (int64_t)((int32_t)T1); |
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T0 = res; |
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CC_DST = res; |
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CC_SRC = (res != (int32_t)res); |
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} |
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#ifdef TARGET_X86_64
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void OPPROTO op_mulq_EAX_T0(void) |
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{
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helper_mulq_EAX_T0(); |
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} |
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void OPPROTO op_imulq_EAX_T0(void) |
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{
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helper_imulq_EAX_T0(); |
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} |
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void OPPROTO op_imulq_T0_T1(void) |
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{
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helper_imulq_T0_T1(); |
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} |
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#endif
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/* division, flags are undefined */
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/* XXX: add exceptions for overflow */
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void OPPROTO op_divb_AL_T0(void) |
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{
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unsigned int num, den, q, r; |
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num = (EAX & 0xffff);
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den = (T0 & 0xff);
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if (den == 0) { |
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raise_exception(EXCP00_DIVZ); |
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} |
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q = (num / den) & 0xff;
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r = (num % den) & 0xff;
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EAX = (EAX & ~0xffff) | (r << 8) | q; |
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} |
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void OPPROTO op_idivb_AL_T0(void) |
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{
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int num, den, q, r;
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num = (int16_t)EAX; |
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den = (int8_t)T0; |
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if (den == 0) { |
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raise_exception(EXCP00_DIVZ); |
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} |
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q = (num / den) & 0xff;
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r = (num % den) & 0xff;
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EAX = (EAX & ~0xffff) | (r << 8) | q; |
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} |
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void OPPROTO op_divw_AX_T0(void) |
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{
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unsigned int num, den, q, r; |
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num = (EAX & 0xffff) | ((EDX & 0xffff) << 16); |
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den = (T0 & 0xffff);
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if (den == 0) { |
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raise_exception(EXCP00_DIVZ); |
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} |
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q = (num / den) & 0xffff;
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r = (num % den) & 0xffff;
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EAX = (EAX & ~0xffff) | q;
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EDX = (EDX & ~0xffff) | r;
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} |
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void OPPROTO op_idivw_AX_T0(void) |
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{
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int num, den, q, r;
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num = (EAX & 0xffff) | ((EDX & 0xffff) << 16); |
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den = (int16_t)T0; |
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if (den == 0) { |
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raise_exception(EXCP00_DIVZ); |
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} |
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q = (num / den) & 0xffff;
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r = (num % den) & 0xffff;
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EAX = (EAX & ~0xffff) | q;
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EDX = (EDX & ~0xffff) | r;
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} |
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void OPPROTO op_divl_EAX_T0(void) |
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{
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helper_divl_EAX_T0(); |
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} |
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void OPPROTO op_idivl_EAX_T0(void) |
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{
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helper_idivl_EAX_T0(); |
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} |
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#ifdef TARGET_X86_64
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void OPPROTO op_divq_EAX_T0(void) |
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{
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helper_divq_EAX_T0(); |
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} |
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void OPPROTO op_idivq_EAX_T0(void) |
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{
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helper_idivq_EAX_T0(); |
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} |
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#endif
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/* constant load & misc op */
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|
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/* XXX: consistent names */
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void OPPROTO op_movl_T0_imu(void) |
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{
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T0 = (uint32_t)PARAM1; |
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} |
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|
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void OPPROTO op_movl_T0_im(void) |
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{
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T0 = (int32_t)PARAM1; |
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} |
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|
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void OPPROTO op_addl_T0_im(void) |
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{
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T0 += PARAM1; |
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} |
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|
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void OPPROTO op_andl_T0_ffff(void) |
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{
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T0 = T0 & 0xffff;
|
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} |
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|
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void OPPROTO op_andl_T0_im(void) |
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{
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T0 = T0 & PARAM1; |
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} |
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|
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void OPPROTO op_movl_T0_T1(void) |
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{
|
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T0 = T1; |
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} |
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|
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void OPPROTO op_movl_T1_imu(void) |
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{
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T1 = (uint32_t)PARAM1; |
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} |
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|
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void OPPROTO op_movl_T1_im(void) |
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{
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T1 = (int32_t)PARAM1; |
| 454 |
} |
| 455 |
|
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void OPPROTO op_addl_T1_im(void) |
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{
|
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T1 += PARAM1; |
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} |
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|
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void OPPROTO op_movl_T1_A0(void) |
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{
|
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T1 = A0; |
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} |
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|
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void OPPROTO op_movl_A0_im(void) |
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{
|
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A0 = (uint32_t)PARAM1; |
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} |
| 470 |
|
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void OPPROTO op_addl_A0_im(void) |
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{
|
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A0 = (uint32_t)(A0 + PARAM1); |
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} |
| 475 |
|
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void OPPROTO op_movl_A0_seg(void) |
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{
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A0 = (uint32_t)*(target_ulong *)((char *)env + PARAM1);
|
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} |
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|
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void OPPROTO op_addl_A0_seg(void) |
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{
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A0 = (uint32_t)(A0 + *(target_ulong *)((char *)env + PARAM1));
|
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} |
| 485 |
|
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void OPPROTO op_addl_A0_AL(void) |
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{
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A0 = (uint32_t)(A0 + (EAX & 0xff));
|
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} |
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|
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#ifdef WORDS_BIGENDIAN
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typedef union UREG64 { |
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struct { uint16_t v3, v2, v1, v0; } w;
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struct { uint32_t v1, v0; } l;
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uint64_t q; |
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} UREG64; |
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#else
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typedef union UREG64 { |
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struct { uint16_t v0, v1, v2, v3; } w;
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struct { uint32_t v0, v1; } l;
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uint64_t q; |
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} UREG64; |
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#endif
|
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|
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#ifdef TARGET_X86_64
|
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|
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#define PARAMQ1 \
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({\
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UREG64 __p;\ |
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__p.l.v1 = PARAM1;\ |
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__p.l.v0 = PARAM2;\ |
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__p.q;\ |
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}) |
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|
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void OPPROTO op_movq_T0_im64(void) |
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{
|
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T0 = PARAMQ1; |
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} |
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|
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void OPPROTO op_movq_T1_im64(void) |
| 521 |
{
|
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T1 = PARAMQ1; |
| 523 |
} |
| 524 |
|
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void OPPROTO op_movq_A0_im(void) |
| 526 |
{
|
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A0 = (int32_t)PARAM1; |
| 528 |
} |
| 529 |
|
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void OPPROTO op_movq_A0_im64(void) |
| 531 |
{
|
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A0 = PARAMQ1; |
| 533 |
} |
| 534 |
|
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void OPPROTO op_addq_A0_im(void) |
| 536 |
{
|
| 537 |
A0 = (A0 + (int32_t)PARAM1); |
| 538 |
} |
| 539 |
|
| 540 |
void OPPROTO op_addq_A0_im64(void) |
| 541 |
{
|
| 542 |
A0 = (A0 + PARAMQ1); |
| 543 |
} |
| 544 |
|
| 545 |
void OPPROTO op_movq_A0_seg(void) |
| 546 |
{
|
| 547 |
A0 = *(target_ulong *)((char *)env + PARAM1);
|
| 548 |
} |
| 549 |
|
| 550 |
void OPPROTO op_addq_A0_seg(void) |
| 551 |
{
|
| 552 |
A0 += *(target_ulong *)((char *)env + PARAM1);
|
| 553 |
} |
| 554 |
|
| 555 |
void OPPROTO op_addq_A0_AL(void) |
| 556 |
{
|
| 557 |
A0 = (A0 + (EAX & 0xff));
|
| 558 |
} |
| 559 |
|
| 560 |
#endif
|
| 561 |
|
| 562 |
void OPPROTO op_andl_A0_ffff(void) |
| 563 |
{
|
| 564 |
A0 = A0 & 0xffff;
|
| 565 |
} |
| 566 |
|
| 567 |
/* memory access */
|
| 568 |
|
| 569 |
#define MEMSUFFIX _raw
|
| 570 |
#include "ops_mem.h" |
| 571 |
|
| 572 |
#if !defined(CONFIG_USER_ONLY)
|
| 573 |
#define MEMSUFFIX _kernel
|
| 574 |
#include "ops_mem.h" |
| 575 |
|
| 576 |
#define MEMSUFFIX _user
|
| 577 |
#include "ops_mem.h" |
| 578 |
#endif
|
| 579 |
|
| 580 |
/* indirect jump */
|
| 581 |
|
| 582 |
void OPPROTO op_jmp_T0(void) |
| 583 |
{
|
| 584 |
EIP = T0; |
| 585 |
} |
| 586 |
|
| 587 |
void OPPROTO op_movl_eip_im(void) |
| 588 |
{
|
| 589 |
EIP = (uint32_t)PARAM1; |
| 590 |
} |
| 591 |
|
| 592 |
#ifdef TARGET_X86_64
|
| 593 |
void OPPROTO op_movq_eip_im(void) |
| 594 |
{
|
| 595 |
EIP = (int32_t)PARAM1; |
| 596 |
} |
| 597 |
|
| 598 |
void OPPROTO op_movq_eip_im64(void) |
| 599 |
{
|
| 600 |
EIP = PARAMQ1; |
| 601 |
} |
| 602 |
#endif
|
| 603 |
|
| 604 |
void OPPROTO op_hlt(void) |
| 605 |
{
|
| 606 |
env->hflags &= ~HF_INHIBIT_IRQ_MASK; /* needed if sti is just before */
|
| 607 |
env->exception_index = EXCP_HLT; |
| 608 |
cpu_loop_exit(); |
| 609 |
} |
| 610 |
|
| 611 |
void OPPROTO op_debug(void) |
| 612 |
{
|
| 613 |
env->exception_index = EXCP_DEBUG; |
| 614 |
cpu_loop_exit(); |
| 615 |
} |
| 616 |
|
| 617 |
void OPPROTO op_raise_interrupt(void) |
| 618 |
{
|
| 619 |
int intno, next_eip_addend;
|
| 620 |
intno = PARAM1; |
| 621 |
next_eip_addend = PARAM2; |
| 622 |
raise_interrupt(intno, 1, 0, next_eip_addend); |
| 623 |
} |
| 624 |
|
| 625 |
void OPPROTO op_raise_exception(void) |
| 626 |
{
|
| 627 |
int exception_index;
|
| 628 |
exception_index = PARAM1; |
| 629 |
raise_exception(exception_index); |
| 630 |
} |
| 631 |
|
| 632 |
void OPPROTO op_into(void) |
| 633 |
{
|
| 634 |
int eflags;
|
| 635 |
eflags = cc_table[CC_OP].compute_all(); |
| 636 |
if (eflags & CC_O) {
|
| 637 |
raise_interrupt(EXCP04_INTO, 1, 0, PARAM1); |
| 638 |
} |
| 639 |
FORCE_RET(); |
| 640 |
} |
| 641 |
|
| 642 |
void OPPROTO op_cli(void) |
| 643 |
{
|
| 644 |
env->eflags &= ~IF_MASK; |
| 645 |
} |
| 646 |
|
| 647 |
void OPPROTO op_sti(void) |
| 648 |
{
|
| 649 |
env->eflags |= IF_MASK; |
| 650 |
} |
| 651 |
|
| 652 |
void OPPROTO op_set_inhibit_irq(void) |
| 653 |
{
|
| 654 |
env->hflags |= HF_INHIBIT_IRQ_MASK; |
| 655 |
} |
| 656 |
|
| 657 |
void OPPROTO op_reset_inhibit_irq(void) |
| 658 |
{
|
| 659 |
env->hflags &= ~HF_INHIBIT_IRQ_MASK; |
| 660 |
} |
| 661 |
|
| 662 |
#if 0
|
| 663 |
/* vm86plus instructions */
|
| 664 |
void OPPROTO op_cli_vm(void)
|
| 665 |
{
|
| 666 |
env->eflags &= ~VIF_MASK;
|
| 667 |
}
|
| 668 |
|
| 669 |
void OPPROTO op_sti_vm(void)
|
| 670 |
{
|
| 671 |
env->eflags |= VIF_MASK;
|
| 672 |
if (env->eflags & VIP_MASK) {
|
| 673 |
EIP = PARAM1;
|
| 674 |
raise_exception(EXCP0D_GPF);
|
| 675 |
}
|
| 676 |
FORCE_RET();
|
| 677 |
}
|
| 678 |
#endif
|
| 679 |
|
| 680 |
void OPPROTO op_boundw(void) |
| 681 |
{
|
| 682 |
int low, high, v;
|
| 683 |
low = ldsw(A0); |
| 684 |
high = ldsw(A0 + 2);
|
| 685 |
v = (int16_t)T0; |
| 686 |
if (v < low || v > high) {
|
| 687 |
raise_exception(EXCP05_BOUND); |
| 688 |
} |
| 689 |
FORCE_RET(); |
| 690 |
} |
| 691 |
|
| 692 |
void OPPROTO op_boundl(void) |
| 693 |
{
|
| 694 |
int low, high, v;
|
| 695 |
low = ldl(A0); |
| 696 |
high = ldl(A0 + 4);
|
| 697 |
v = T0; |
| 698 |
if (v < low || v > high) {
|
| 699 |
raise_exception(EXCP05_BOUND); |
| 700 |
} |
| 701 |
FORCE_RET(); |
| 702 |
} |
| 703 |
|
| 704 |
void OPPROTO op_cmpxchg8b(void) |
| 705 |
{
|
| 706 |
helper_cmpxchg8b(); |
| 707 |
} |
| 708 |
|
| 709 |
void OPPROTO op_movl_T0_0(void) |
| 710 |
{
|
| 711 |
T0 = 0;
|
| 712 |
} |
| 713 |
|
| 714 |
void OPPROTO op_exit_tb(void) |
| 715 |
{
|
| 716 |
EXIT_TB(); |
| 717 |
} |
| 718 |
|
| 719 |
/* multiple size ops */
|
| 720 |
|
| 721 |
#define ldul ldl
|
| 722 |
|
| 723 |
#define SHIFT 0 |
| 724 |
#include "ops_template.h" |
| 725 |
#undef SHIFT
|
| 726 |
|
| 727 |
#define SHIFT 1 |
| 728 |
#include "ops_template.h" |
| 729 |
#undef SHIFT
|
| 730 |
|
| 731 |
#define SHIFT 2 |
| 732 |
#include "ops_template.h" |
| 733 |
#undef SHIFT
|
| 734 |
|
| 735 |
#ifdef TARGET_X86_64
|
| 736 |
|
| 737 |
#define SHIFT 3 |
| 738 |
#include "ops_template.h" |
| 739 |
#undef SHIFT
|
| 740 |
|
| 741 |
#endif
|
| 742 |
|
| 743 |
/* sign extend */
|
| 744 |
|
| 745 |
void OPPROTO op_movsbl_T0_T0(void) |
| 746 |
{
|
| 747 |
T0 = (int8_t)T0; |
| 748 |
} |
| 749 |
|
| 750 |
void OPPROTO op_movzbl_T0_T0(void) |
| 751 |
{
|
| 752 |
T0 = (uint8_t)T0; |
| 753 |
} |
| 754 |
|
| 755 |
void OPPROTO op_movswl_T0_T0(void) |
| 756 |
{
|
| 757 |
T0 = (int16_t)T0; |
| 758 |
} |
| 759 |
|
| 760 |
void OPPROTO op_movzwl_T0_T0(void) |
| 761 |
{
|
| 762 |
T0 = (uint16_t)T0; |
| 763 |
} |
| 764 |
|
| 765 |
void OPPROTO op_movswl_EAX_AX(void) |
| 766 |
{
|
| 767 |
EAX = (int16_t)EAX; |
| 768 |
} |
| 769 |
|
| 770 |
#ifdef TARGET_X86_64
|
| 771 |
void OPPROTO op_movslq_T0_T0(void) |
| 772 |
{
|
| 773 |
T0 = (int32_t)T0; |
| 774 |
} |
| 775 |
|
| 776 |
void OPPROTO op_movslq_RAX_EAX(void) |
| 777 |
{
|
| 778 |
EAX = (int32_t)EAX; |
| 779 |
} |
| 780 |
#endif
|
| 781 |
|
| 782 |
void OPPROTO op_movsbw_AX_AL(void) |
| 783 |
{
|
| 784 |
EAX = (EAX & ~0xffff) | ((int8_t)EAX & 0xffff); |
| 785 |
} |
| 786 |
|
| 787 |
void OPPROTO op_movslq_EDX_EAX(void) |
| 788 |
{
|
| 789 |
EDX = (int32_t)EAX >> 31;
|
| 790 |
} |
| 791 |
|
| 792 |
void OPPROTO op_movswl_DX_AX(void) |
| 793 |
{
|
| 794 |
EDX = (EDX & ~0xffff) | (((int16_t)EAX >> 15) & 0xffff); |
| 795 |
} |
| 796 |
|
| 797 |
#ifdef TARGET_X86_64
|
| 798 |
void OPPROTO op_movsqo_RDX_RAX(void) |
| 799 |
{
|
| 800 |
EDX = (int64_t)EAX >> 63;
|
| 801 |
} |
| 802 |
#endif
|
| 803 |
|
| 804 |
/* string ops helpers */
|
| 805 |
|
| 806 |
void OPPROTO op_addl_ESI_T0(void) |
| 807 |
{
|
| 808 |
ESI = (uint32_t)(ESI + T0); |
| 809 |
} |
| 810 |
|
| 811 |
void OPPROTO op_addw_ESI_T0(void) |
| 812 |
{
|
| 813 |
ESI = (ESI & ~0xffff) | ((ESI + T0) & 0xffff); |
| 814 |
} |
| 815 |
|
| 816 |
void OPPROTO op_addl_EDI_T0(void) |
| 817 |
{
|
| 818 |
EDI = (uint32_t)(EDI + T0); |
| 819 |
} |
| 820 |
|
| 821 |
void OPPROTO op_addw_EDI_T0(void) |
| 822 |
{
|
| 823 |
EDI = (EDI & ~0xffff) | ((EDI + T0) & 0xffff); |
| 824 |
} |
| 825 |
|
| 826 |
void OPPROTO op_decl_ECX(void) |
| 827 |
{
|
| 828 |
ECX = (uint32_t)(ECX - 1);
|
| 829 |
} |
| 830 |
|
| 831 |
void OPPROTO op_decw_ECX(void) |
| 832 |
{
|
| 833 |
ECX = (ECX & ~0xffff) | ((ECX - 1) & 0xffff); |
| 834 |
} |
| 835 |
|
| 836 |
#ifdef TARGET_X86_64
|
| 837 |
void OPPROTO op_addq_ESI_T0(void) |
| 838 |
{
|
| 839 |
ESI = (ESI + T0); |
| 840 |
} |
| 841 |
|
| 842 |
void OPPROTO op_addq_EDI_T0(void) |
| 843 |
{
|
| 844 |
EDI = (EDI + T0); |
| 845 |
} |
| 846 |
|
| 847 |
void OPPROTO op_decq_ECX(void) |
| 848 |
{
|
| 849 |
ECX--; |
| 850 |
} |
| 851 |
#endif
|
| 852 |
|
| 853 |
/* push/pop utils */
|
| 854 |
|
| 855 |
void op_addl_A0_SS(void) |
| 856 |
{
|
| 857 |
A0 += (long)env->segs[R_SS].base;
|
| 858 |
} |
| 859 |
|
| 860 |
void op_subl_A0_2(void) |
| 861 |
{
|
| 862 |
A0 = (uint32_t)(A0 - 2);
|
| 863 |
} |
| 864 |
|
| 865 |
void op_subl_A0_4(void) |
| 866 |
{
|
| 867 |
A0 = (uint32_t)(A0 - 4);
|
| 868 |
} |
| 869 |
|
| 870 |
void op_addl_ESP_4(void) |
| 871 |
{
|
| 872 |
ESP = (uint32_t)(ESP + 4);
|
| 873 |
} |
| 874 |
|
| 875 |
void op_addl_ESP_2(void) |
| 876 |
{
|
| 877 |
ESP = (uint32_t)(ESP + 2);
|
| 878 |
} |
| 879 |
|
| 880 |
void op_addw_ESP_4(void) |
| 881 |
{
|
| 882 |
ESP = (ESP & ~0xffff) | ((ESP + 4) & 0xffff); |
| 883 |
} |
| 884 |
|
| 885 |
void op_addw_ESP_2(void) |
| 886 |
{
|
| 887 |
ESP = (ESP & ~0xffff) | ((ESP + 2) & 0xffff); |
| 888 |
} |
| 889 |
|
| 890 |
void op_addl_ESP_im(void) |
| 891 |
{
|
| 892 |
ESP = (uint32_t)(ESP + PARAM1); |
| 893 |
} |
| 894 |
|
| 895 |
void op_addw_ESP_im(void) |
| 896 |
{
|
| 897 |
ESP = (ESP & ~0xffff) | ((ESP + PARAM1) & 0xffff); |
| 898 |
} |
| 899 |
|
| 900 |
#ifdef TARGET_X86_64
|
| 901 |
void op_subq_A0_8(void) |
| 902 |
{
|
| 903 |
A0 -= 8;
|
| 904 |
} |
| 905 |
|
| 906 |
void op_addq_ESP_8(void) |
| 907 |
{
|
| 908 |
ESP += 8;
|
| 909 |
} |
| 910 |
|
| 911 |
void op_addq_ESP_im(void) |
| 912 |
{
|
| 913 |
ESP += PARAM1; |
| 914 |
} |
| 915 |
#endif
|
| 916 |
|
| 917 |
void OPPROTO op_rdtsc(void) |
| 918 |
{
|
| 919 |
helper_rdtsc(); |
| 920 |
} |
| 921 |
|
| 922 |
void OPPROTO op_cpuid(void) |
| 923 |
{
|
| 924 |
helper_cpuid(); |
| 925 |
} |
| 926 |
|
| 927 |
void OPPROTO op_enter_level(void) |
| 928 |
{
|
| 929 |
helper_enter_level(PARAM1, PARAM2); |
| 930 |
} |
| 931 |
|
| 932 |
void OPPROTO op_sysenter(void) |
| 933 |
{
|
| 934 |
helper_sysenter(); |
| 935 |
} |
| 936 |
|
| 937 |
void OPPROTO op_sysexit(void) |
| 938 |
{
|
| 939 |
helper_sysexit(); |
| 940 |
} |
| 941 |
|
| 942 |
#ifdef TARGET_X86_64
|
| 943 |
void OPPROTO op_syscall(void) |
| 944 |
{
|
| 945 |
helper_syscall(PARAM1); |
| 946 |
} |
| 947 |
|
| 948 |
void OPPROTO op_sysret(void) |
| 949 |
{
|
| 950 |
helper_sysret(PARAM1); |
| 951 |
} |
| 952 |
#endif
|
| 953 |
|
| 954 |
void OPPROTO op_rdmsr(void) |
| 955 |
{
|
| 956 |
helper_rdmsr(); |
| 957 |
} |
| 958 |
|
| 959 |
void OPPROTO op_wrmsr(void) |
| 960 |
{
|
| 961 |
helper_wrmsr(); |
| 962 |
} |
| 963 |
|
| 964 |
/* bcd */
|
| 965 |
|
| 966 |
/* XXX: exception */
|
| 967 |
void OPPROTO op_aam(void) |
| 968 |
{
|
| 969 |
int base = PARAM1;
|
| 970 |
int al, ah;
|
| 971 |
al = EAX & 0xff;
|
| 972 |
ah = al / base; |
| 973 |
al = al % base; |
| 974 |
EAX = (EAX & ~0xffff) | al | (ah << 8); |
| 975 |
CC_DST = al; |
| 976 |
} |
| 977 |
|
| 978 |
void OPPROTO op_aad(void) |
| 979 |
{
|
| 980 |
int base = PARAM1;
|
| 981 |
int al, ah;
|
| 982 |
al = EAX & 0xff;
|
| 983 |
ah = (EAX >> 8) & 0xff; |
| 984 |
al = ((ah * base) + al) & 0xff;
|
| 985 |
EAX = (EAX & ~0xffff) | al;
|
| 986 |
CC_DST = al; |
| 987 |
} |
| 988 |
|
| 989 |
void OPPROTO op_aaa(void) |
| 990 |
{
|
| 991 |
int icarry;
|
| 992 |
int al, ah, af;
|
| 993 |
int eflags;
|
| 994 |
|
| 995 |
eflags = cc_table[CC_OP].compute_all(); |
| 996 |
af = eflags & CC_A; |
| 997 |
al = EAX & 0xff;
|
| 998 |
ah = (EAX >> 8) & 0xff; |
| 999 |
|
| 1000 |
icarry = (al > 0xf9);
|
| 1001 |
if (((al & 0x0f) > 9 ) || af) { |
| 1002 |
al = (al + 6) & 0x0f; |
| 1003 |
ah = (ah + 1 + icarry) & 0xff; |
| 1004 |
eflags |= CC_C | CC_A; |
| 1005 |
} else {
|
| 1006 |
eflags &= ~(CC_C | CC_A); |
| 1007 |
al &= 0x0f;
|
| 1008 |
} |
| 1009 |
EAX = (EAX & ~0xffff) | al | (ah << 8); |
| 1010 |
CC_SRC = eflags; |
| 1011 |
} |
| 1012 |
|
| 1013 |
void OPPROTO op_aas(void) |
| 1014 |
{
|
| 1015 |
int icarry;
|
| 1016 |
int al, ah, af;
|
| 1017 |
int eflags;
|
| 1018 |
|
| 1019 |
eflags = cc_table[CC_OP].compute_all(); |
| 1020 |
af = eflags & CC_A; |
| 1021 |
al = EAX & 0xff;
|
| 1022 |
ah = (EAX >> 8) & 0xff; |
| 1023 |
|
| 1024 |
icarry = (al < 6);
|
| 1025 |
if (((al & 0x0f) > 9 ) || af) { |
| 1026 |
al = (al - 6) & 0x0f; |
| 1027 |
ah = (ah - 1 - icarry) & 0xff; |
| 1028 |
eflags |= CC_C | CC_A; |
| 1029 |
} else {
|
| 1030 |
eflags &= ~(CC_C | CC_A); |
| 1031 |
al &= 0x0f;
|
| 1032 |
} |
| 1033 |
EAX = (EAX & ~0xffff) | al | (ah << 8); |
| 1034 |
CC_SRC = eflags; |
| 1035 |
} |
| 1036 |
|
| 1037 |
void OPPROTO op_daa(void) |
| 1038 |
{
|
| 1039 |
int al, af, cf;
|
| 1040 |
int eflags;
|
| 1041 |
|
| 1042 |
eflags = cc_table[CC_OP].compute_all(); |
| 1043 |
cf = eflags & CC_C; |
| 1044 |
af = eflags & CC_A; |
| 1045 |
al = EAX & 0xff;
|
| 1046 |
|
| 1047 |
eflags = 0;
|
| 1048 |
if (((al & 0x0f) > 9 ) || af) { |
| 1049 |
al = (al + 6) & 0xff; |
| 1050 |
eflags |= CC_A; |
| 1051 |
} |
| 1052 |
if ((al > 0x9f) || cf) { |
| 1053 |
al = (al + 0x60) & 0xff; |
| 1054 |
eflags |= CC_C; |
| 1055 |
} |
| 1056 |
EAX = (EAX & ~0xff) | al;
|
| 1057 |
/* well, speed is not an issue here, so we compute the flags by hand */
|
| 1058 |
eflags |= (al == 0) << 6; /* zf */ |
| 1059 |
eflags |= parity_table[al]; /* pf */
|
| 1060 |
eflags |= (al & 0x80); /* sf */ |
| 1061 |
CC_SRC = eflags; |
| 1062 |
} |
| 1063 |
|
| 1064 |
void OPPROTO op_das(void) |
| 1065 |
{
|
| 1066 |
int al, al1, af, cf;
|
| 1067 |
int eflags;
|
| 1068 |
|
| 1069 |
eflags = cc_table[CC_OP].compute_all(); |
| 1070 |
cf = eflags & CC_C; |
| 1071 |
af = eflags & CC_A; |
| 1072 |
al = EAX & 0xff;
|
| 1073 |
|
| 1074 |
eflags = 0;
|
| 1075 |
al1 = al; |
| 1076 |
if (((al & 0x0f) > 9 ) || af) { |
| 1077 |
eflags |= CC_A; |
| 1078 |
if (al < 6 || cf) |
| 1079 |
eflags |= CC_C; |
| 1080 |
al = (al - 6) & 0xff; |
| 1081 |
} |
| 1082 |
if ((al1 > 0x99) || cf) { |
| 1083 |
al = (al - 0x60) & 0xff; |
| 1084 |
eflags |= CC_C; |
| 1085 |
} |
| 1086 |
EAX = (EAX & ~0xff) | al;
|
| 1087 |
/* well, speed is not an issue here, so we compute the flags by hand */
|
| 1088 |
eflags |= (al == 0) << 6; /* zf */ |
| 1089 |
eflags |= parity_table[al]; /* pf */
|
| 1090 |
eflags |= (al & 0x80); /* sf */ |
| 1091 |
CC_SRC = eflags; |
| 1092 |
} |
| 1093 |
|
| 1094 |
/* segment handling */
|
| 1095 |
|
| 1096 |
/* never use it with R_CS */
|
| 1097 |
void OPPROTO op_movl_seg_T0(void) |
| 1098 |
{
|
| 1099 |
load_seg(PARAM1, T0); |
| 1100 |
} |
| 1101 |
|
| 1102 |
/* faster VM86 version */
|
| 1103 |
void OPPROTO op_movl_seg_T0_vm(void) |
| 1104 |
{
|
| 1105 |
int selector;
|
| 1106 |
SegmentCache *sc; |
| 1107 |
|
| 1108 |
selector = T0 & 0xffff;
|
| 1109 |
/* env->segs[] access */
|
| 1110 |
sc = (SegmentCache *)((char *)env + PARAM1);
|
| 1111 |
sc->selector = selector; |
| 1112 |
sc->base = (selector << 4);
|
| 1113 |
} |
| 1114 |
|
| 1115 |
void OPPROTO op_movl_T0_seg(void) |
| 1116 |
{
|
| 1117 |
T0 = env->segs[PARAM1].selector; |
| 1118 |
} |
| 1119 |
|
| 1120 |
void OPPROTO op_lsl(void) |
| 1121 |
{
|
| 1122 |
helper_lsl(); |
| 1123 |
} |
| 1124 |
|
| 1125 |
void OPPROTO op_lar(void) |
| 1126 |
{
|
| 1127 |
helper_lar(); |
| 1128 |
} |
| 1129 |
|
| 1130 |
void OPPROTO op_verr(void) |
| 1131 |
{
|
| 1132 |
helper_verr(); |
| 1133 |
} |
| 1134 |
|
| 1135 |
void OPPROTO op_verw(void) |
| 1136 |
{
|
| 1137 |
helper_verw(); |
| 1138 |
} |
| 1139 |
|
| 1140 |
void OPPROTO op_arpl(void) |
| 1141 |
{
|
| 1142 |
if ((T0 & 3) < (T1 & 3)) { |
| 1143 |
/* XXX: emulate bug or 0xff3f0000 oring as in bochs ? */
|
| 1144 |
T0 = (T0 & ~3) | (T1 & 3); |
| 1145 |
T1 = CC_Z; |
| 1146 |
} else {
|
| 1147 |
T1 = 0;
|
| 1148 |
} |
| 1149 |
FORCE_RET(); |
| 1150 |
} |
| 1151 |
|
| 1152 |
void OPPROTO op_arpl_update(void) |
| 1153 |
{
|
| 1154 |
int eflags;
|
| 1155 |
eflags = cc_table[CC_OP].compute_all(); |
| 1156 |
CC_SRC = (eflags & ~CC_Z) | T1; |
| 1157 |
} |
| 1158 |
|
| 1159 |
/* T0: segment, T1:eip */
|
| 1160 |
void OPPROTO op_ljmp_protected_T0_T1(void) |
| 1161 |
{
|
| 1162 |
helper_ljmp_protected_T0_T1(PARAM1); |
| 1163 |
} |
| 1164 |
|
| 1165 |
void OPPROTO op_lcall_real_T0_T1(void) |
| 1166 |
{
|
| 1167 |
helper_lcall_real_T0_T1(PARAM1, PARAM2); |
| 1168 |
} |
| 1169 |
|
| 1170 |
void OPPROTO op_lcall_protected_T0_T1(void) |
| 1171 |
{
|
| 1172 |
helper_lcall_protected_T0_T1(PARAM1, PARAM2); |
| 1173 |
} |
| 1174 |
|
| 1175 |
void OPPROTO op_iret_real(void) |
| 1176 |
{
|
| 1177 |
helper_iret_real(PARAM1); |
| 1178 |
} |
| 1179 |
|
| 1180 |
void OPPROTO op_iret_protected(void) |
| 1181 |
{
|
| 1182 |
helper_iret_protected(PARAM1, PARAM2); |
| 1183 |
} |
| 1184 |
|
| 1185 |
void OPPROTO op_lret_protected(void) |
| 1186 |
{
|
| 1187 |
helper_lret_protected(PARAM1, PARAM2); |
| 1188 |
} |
| 1189 |
|
| 1190 |
void OPPROTO op_lldt_T0(void) |
| 1191 |
{
|
| 1192 |
helper_lldt_T0(); |
| 1193 |
} |
| 1194 |
|
| 1195 |
void OPPROTO op_ltr_T0(void) |
| 1196 |
{
|
| 1197 |
helper_ltr_T0(); |
| 1198 |
} |
| 1199 |
|
| 1200 |
/* CR registers access */
|
| 1201 |
void OPPROTO op_movl_crN_T0(void) |
| 1202 |
{
|
| 1203 |
helper_movl_crN_T0(PARAM1); |
| 1204 |
} |
| 1205 |
|
| 1206 |
#if !defined(CONFIG_USER_ONLY)
|
| 1207 |
void OPPROTO op_movtl_T0_cr8(void) |
| 1208 |
{
|
| 1209 |
T0 = cpu_get_apic_tpr(env); |
| 1210 |
} |
| 1211 |
#endif
|
| 1212 |
|
| 1213 |
/* DR registers access */
|
| 1214 |
void OPPROTO op_movl_drN_T0(void) |
| 1215 |
{
|
| 1216 |
helper_movl_drN_T0(PARAM1); |
| 1217 |
} |
| 1218 |
|
| 1219 |
void OPPROTO op_lmsw_T0(void) |
| 1220 |
{
|
| 1221 |
/* only 4 lower bits of CR0 are modified. PE cannot be set to zero
|
| 1222 |
if already set to one. */
|
| 1223 |
T0 = (env->cr[0] & ~0xe) | (T0 & 0xf); |
| 1224 |
helper_movl_crN_T0(0);
|
| 1225 |
} |
| 1226 |
|
| 1227 |
void OPPROTO op_invlpg_A0(void) |
| 1228 |
{
|
| 1229 |
helper_invlpg(A0); |
| 1230 |
} |
| 1231 |
|
| 1232 |
void OPPROTO op_movl_T0_env(void) |
| 1233 |
{
|
| 1234 |
T0 = *(uint32_t *)((char *)env + PARAM1);
|
| 1235 |
} |
| 1236 |
|
| 1237 |
void OPPROTO op_movl_env_T0(void) |
| 1238 |
{
|
| 1239 |
*(uint32_t *)((char *)env + PARAM1) = T0;
|
| 1240 |
} |
| 1241 |
|
| 1242 |
void OPPROTO op_movl_env_T1(void) |
| 1243 |
{
|
| 1244 |
*(uint32_t *)((char *)env + PARAM1) = T1;
|
| 1245 |
} |
| 1246 |
|
| 1247 |
void OPPROTO op_movtl_T0_env(void) |
| 1248 |
{
|
| 1249 |
T0 = *(target_ulong *)((char *)env + PARAM1);
|
| 1250 |
} |
| 1251 |
|
| 1252 |
void OPPROTO op_movtl_env_T0(void) |
| 1253 |
{
|
| 1254 |
*(target_ulong *)((char *)env + PARAM1) = T0;
|
| 1255 |
} |
| 1256 |
|
| 1257 |
void OPPROTO op_movtl_T1_env(void) |
| 1258 |
{
|
| 1259 |
T1 = *(target_ulong *)((char *)env + PARAM1);
|
| 1260 |
} |
| 1261 |
|
| 1262 |
void OPPROTO op_movtl_env_T1(void) |
| 1263 |
{
|
| 1264 |
*(target_ulong *)((char *)env + PARAM1) = T1;
|
| 1265 |
} |
| 1266 |
|
| 1267 |
void OPPROTO op_clts(void) |
| 1268 |
{
|
| 1269 |
env->cr[0] &= ~CR0_TS_MASK;
|
| 1270 |
env->hflags &= ~HF_TS_MASK; |
| 1271 |
} |
| 1272 |
|
| 1273 |
/* flags handling */
|
| 1274 |
|
| 1275 |
void OPPROTO op_goto_tb0(void) |
| 1276 |
{
|
| 1277 |
GOTO_TB(op_goto_tb0, PARAM1, 0);
|
| 1278 |
} |
| 1279 |
|
| 1280 |
void OPPROTO op_goto_tb1(void) |
| 1281 |
{
|
| 1282 |
GOTO_TB(op_goto_tb1, PARAM1, 1);
|
| 1283 |
} |
| 1284 |
|
| 1285 |
void OPPROTO op_jmp_label(void) |
| 1286 |
{
|
| 1287 |
GOTO_LABEL_PARAM(1);
|
| 1288 |
} |
| 1289 |
|
| 1290 |
void OPPROTO op_jnz_T0_label(void) |
| 1291 |
{
|
| 1292 |
if (T0)
|
| 1293 |
GOTO_LABEL_PARAM(1);
|
| 1294 |
FORCE_RET(); |
| 1295 |
} |
| 1296 |
|
| 1297 |
void OPPROTO op_jz_T0_label(void) |
| 1298 |
{
|
| 1299 |
if (!T0)
|
| 1300 |
GOTO_LABEL_PARAM(1);
|
| 1301 |
FORCE_RET(); |
| 1302 |
} |
| 1303 |
|
| 1304 |
/* slow set cases (compute x86 flags) */
|
| 1305 |
void OPPROTO op_seto_T0_cc(void) |
| 1306 |
{
|
| 1307 |
int eflags;
|
| 1308 |
eflags = cc_table[CC_OP].compute_all(); |
| 1309 |
T0 = (eflags >> 11) & 1; |
| 1310 |
} |
| 1311 |
|
| 1312 |
void OPPROTO op_setb_T0_cc(void) |
| 1313 |
{
|
| 1314 |
T0 = cc_table[CC_OP].compute_c(); |
| 1315 |
} |
| 1316 |
|
| 1317 |
void OPPROTO op_setz_T0_cc(void) |
| 1318 |
{
|
| 1319 |
int eflags;
|
| 1320 |
eflags = cc_table[CC_OP].compute_all(); |
| 1321 |
T0 = (eflags >> 6) & 1; |
| 1322 |
} |
| 1323 |
|
| 1324 |
void OPPROTO op_setbe_T0_cc(void) |
| 1325 |
{
|
| 1326 |
int eflags;
|
| 1327 |
eflags = cc_table[CC_OP].compute_all(); |
| 1328 |
T0 = (eflags & (CC_Z | CC_C)) != 0;
|
| 1329 |
} |
| 1330 |
|
| 1331 |
void OPPROTO op_sets_T0_cc(void) |
| 1332 |
{
|
| 1333 |
int eflags;
|
| 1334 |
eflags = cc_table[CC_OP].compute_all(); |
| 1335 |
T0 = (eflags >> 7) & 1; |
| 1336 |
} |
| 1337 |
|
| 1338 |
void OPPROTO op_setp_T0_cc(void) |
| 1339 |
{
|
| 1340 |
int eflags;
|
| 1341 |
eflags = cc_table[CC_OP].compute_all(); |
| 1342 |
T0 = (eflags >> 2) & 1; |
| 1343 |
} |
| 1344 |
|
| 1345 |
void OPPROTO op_setl_T0_cc(void) |
| 1346 |
{
|
| 1347 |
int eflags;
|
| 1348 |
eflags = cc_table[CC_OP].compute_all(); |
| 1349 |
T0 = ((eflags ^ (eflags >> 4)) >> 7) & 1; |
| 1350 |
} |
| 1351 |
|
| 1352 |
void OPPROTO op_setle_T0_cc(void) |
| 1353 |
{
|
| 1354 |
int eflags;
|
| 1355 |
eflags = cc_table[CC_OP].compute_all(); |
| 1356 |
T0 = (((eflags ^ (eflags >> 4)) & 0x80) || (eflags & CC_Z)) != 0; |
| 1357 |
} |
| 1358 |
|
| 1359 |
void OPPROTO op_xor_T0_1(void) |
| 1360 |
{
|
| 1361 |
T0 ^= 1;
|
| 1362 |
} |
| 1363 |
|
| 1364 |
void OPPROTO op_set_cc_op(void) |
| 1365 |
{
|
| 1366 |
CC_OP = PARAM1; |
| 1367 |
} |
| 1368 |
|
| 1369 |
/* XXX: clear VIF/VIP in all ops ? */
|
| 1370 |
|
| 1371 |
void OPPROTO op_movl_eflags_T0(void) |
| 1372 |
{
|
| 1373 |
load_eflags(T0, (TF_MASK | AC_MASK | ID_MASK | NT_MASK)); |
| 1374 |
} |
| 1375 |
|
| 1376 |
void OPPROTO op_movw_eflags_T0(void) |
| 1377 |
{
|
| 1378 |
load_eflags(T0, (TF_MASK | AC_MASK | ID_MASK | NT_MASK) & 0xffff);
|
| 1379 |
} |
| 1380 |
|
| 1381 |
void OPPROTO op_movl_eflags_T0_io(void) |
| 1382 |
{
|
| 1383 |
load_eflags(T0, (TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK)); |
| 1384 |
} |
| 1385 |
|
| 1386 |
void OPPROTO op_movw_eflags_T0_io(void) |
| 1387 |
{
|
| 1388 |
load_eflags(T0, (TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK) & 0xffff);
|
| 1389 |
} |
| 1390 |
|
| 1391 |
void OPPROTO op_movl_eflags_T0_cpl0(void) |
| 1392 |
{
|
| 1393 |
load_eflags(T0, (TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK | IOPL_MASK)); |
| 1394 |
} |
| 1395 |
|
| 1396 |
void OPPROTO op_movw_eflags_T0_cpl0(void) |
| 1397 |
{
|
| 1398 |
load_eflags(T0, (TF_MASK | AC_MASK | ID_MASK | NT_MASK | IF_MASK | IOPL_MASK) & 0xffff);
|
| 1399 |
} |
| 1400 |
|
| 1401 |
#if 0
|
| 1402 |
/* vm86plus version */
|
| 1403 |
void OPPROTO op_movw_eflags_T0_vm(void)
|
| 1404 |
{
|
| 1405 |
int eflags;
|
| 1406 |
eflags = T0;
|
| 1407 |
CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
|
| 1408 |
DF = 1 - (2 * ((eflags >> 10) & 1));
|
| 1409 |
/* we also update some system flags as in user mode */
|
| 1410 |
env->eflags = (env->eflags & ~(FL_UPDATE_MASK16 | VIF_MASK)) |
|
| 1411 |
(eflags & FL_UPDATE_MASK16);
|
| 1412 |
if (eflags & IF_MASK) {
|
| 1413 |
env->eflags |= VIF_MASK;
|
| 1414 |
if (env->eflags & VIP_MASK) {
|
| 1415 |
EIP = PARAM1;
|
| 1416 |
raise_exception(EXCP0D_GPF);
|
| 1417 |
}
|
| 1418 |
}
|
| 1419 |
FORCE_RET();
|
| 1420 |
}
|
| 1421 |
|
| 1422 |
void OPPROTO op_movl_eflags_T0_vm(void)
|
| 1423 |
{
|
| 1424 |
int eflags;
|
| 1425 |
eflags = T0;
|
| 1426 |
CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
|
| 1427 |
DF = 1 - (2 * ((eflags >> 10) & 1));
|
| 1428 |
/* we also update some system flags as in user mode */
|
| 1429 |
env->eflags = (env->eflags & ~(FL_UPDATE_MASK32 | VIF_MASK)) |
|
| 1430 |
(eflags & FL_UPDATE_MASK32);
|
| 1431 |
if (eflags & IF_MASK) {
|
| 1432 |
env->eflags |= VIF_MASK;
|
| 1433 |
if (env->eflags & VIP_MASK) {
|
| 1434 |
EIP = PARAM1;
|
| 1435 |
raise_exception(EXCP0D_GPF);
|
| 1436 |
}
|
| 1437 |
}
|
| 1438 |
FORCE_RET();
|
| 1439 |
}
|
| 1440 |
#endif
|
| 1441 |
|
| 1442 |
/* XXX: compute only O flag */
|
| 1443 |
void OPPROTO op_movb_eflags_T0(void) |
| 1444 |
{
|
| 1445 |
int of;
|
| 1446 |
of = cc_table[CC_OP].compute_all() & CC_O; |
| 1447 |
CC_SRC = (T0 & (CC_S | CC_Z | CC_A | CC_P | CC_C)) | of; |
| 1448 |
} |
| 1449 |
|
| 1450 |
void OPPROTO op_movl_T0_eflags(void) |
| 1451 |
{
|
| 1452 |
int eflags;
|
| 1453 |
eflags = cc_table[CC_OP].compute_all(); |
| 1454 |
eflags |= (DF & DF_MASK); |
| 1455 |
eflags |= env->eflags & ~(VM_MASK | RF_MASK); |
| 1456 |
T0 = eflags; |
| 1457 |
} |
| 1458 |
|
| 1459 |
/* vm86plus version */
|
| 1460 |
#if 0
|
| 1461 |
void OPPROTO op_movl_T0_eflags_vm(void)
|
| 1462 |
{
|
| 1463 |
int eflags;
|
| 1464 |
eflags = cc_table[CC_OP].compute_all();
|
| 1465 |
eflags |= (DF & DF_MASK);
|
| 1466 |
eflags |= env->eflags & ~(VM_MASK | RF_MASK | IF_MASK);
|
| 1467 |
if (env->eflags & VIF_MASK)
|
| 1468 |
eflags |= IF_MASK;
|
| 1469 |
T0 = eflags;
|
| 1470 |
}
|
| 1471 |
#endif
|
| 1472 |
|
| 1473 |
void OPPROTO op_cld(void) |
| 1474 |
{
|
| 1475 |
DF = 1;
|
| 1476 |
} |
| 1477 |
|
| 1478 |
void OPPROTO op_std(void) |
| 1479 |
{
|
| 1480 |
DF = -1;
|
| 1481 |
} |
| 1482 |
|
| 1483 |
void OPPROTO op_clc(void) |
| 1484 |
{
|
| 1485 |
int eflags;
|
| 1486 |
eflags = cc_table[CC_OP].compute_all(); |
| 1487 |
eflags &= ~CC_C; |
| 1488 |
CC_SRC = eflags; |
| 1489 |
} |
| 1490 |
|
| 1491 |
void OPPROTO op_stc(void) |
| 1492 |
{
|
| 1493 |
int eflags;
|
| 1494 |
eflags = cc_table[CC_OP].compute_all(); |
| 1495 |
eflags |= CC_C; |
| 1496 |
CC_SRC = eflags; |
| 1497 |
} |
| 1498 |
|
| 1499 |
void OPPROTO op_cmc(void) |
| 1500 |
{
|
| 1501 |
int eflags;
|
| 1502 |
eflags = cc_table[CC_OP].compute_all(); |
| 1503 |
eflags ^= CC_C; |
| 1504 |
CC_SRC = eflags; |
| 1505 |
} |
| 1506 |
|
| 1507 |
void OPPROTO op_salc(void) |
| 1508 |
{
|
| 1509 |
int cf;
|
| 1510 |
cf = cc_table[CC_OP].compute_c(); |
| 1511 |
EAX = (EAX & ~0xff) | ((-cf) & 0xff); |
| 1512 |
} |
| 1513 |
|
| 1514 |
static int compute_all_eflags(void) |
| 1515 |
{
|
| 1516 |
return CC_SRC;
|
| 1517 |
} |
| 1518 |
|
| 1519 |
static int compute_c_eflags(void) |
| 1520 |
{
|
| 1521 |
return CC_SRC & CC_C;
|
| 1522 |
} |
| 1523 |
|
| 1524 |
CCTable cc_table[CC_OP_NB] = {
|
| 1525 |
[CC_OP_DYNAMIC] = { /* should never happen */ },
|
| 1526 |
|
| 1527 |
[CC_OP_EFLAGS] = { compute_all_eflags, compute_c_eflags },
|
| 1528 |
|
| 1529 |
[CC_OP_MULB] = { compute_all_mulb, compute_c_mull },
|
| 1530 |
[CC_OP_MULW] = { compute_all_mulw, compute_c_mull },
|
| 1531 |
[CC_OP_MULL] = { compute_all_mull, compute_c_mull },
|
| 1532 |
|
| 1533 |
[CC_OP_ADDB] = { compute_all_addb, compute_c_addb },
|
| 1534 |
[CC_OP_ADDW] = { compute_all_addw, compute_c_addw },
|
| 1535 |
[CC_OP_ADDL] = { compute_all_addl, compute_c_addl },
|
| 1536 |
|
| 1537 |
[CC_OP_ADCB] = { compute_all_adcb, compute_c_adcb },
|
| 1538 |
[CC_OP_ADCW] = { compute_all_adcw, compute_c_adcw },
|
| 1539 |
[CC_OP_ADCL] = { compute_all_adcl, compute_c_adcl },
|
| 1540 |
|
| 1541 |
[CC_OP_SUBB] = { compute_all_subb, compute_c_subb },
|
| 1542 |
[CC_OP_SUBW] = { compute_all_subw, compute_c_subw },
|
| 1543 |
[CC_OP_SUBL] = { compute_all_subl, compute_c_subl },
|
| 1544 |
|
| 1545 |
[CC_OP_SBBB] = { compute_all_sbbb, compute_c_sbbb },
|
| 1546 |
[CC_OP_SBBW] = { compute_all_sbbw, compute_c_sbbw },
|
| 1547 |
[CC_OP_SBBL] = { compute_all_sbbl, compute_c_sbbl },
|
| 1548 |
|
| 1549 |
[CC_OP_LOGICB] = { compute_all_logicb, compute_c_logicb },
|
| 1550 |
[CC_OP_LOGICW] = { compute_all_logicw, compute_c_logicw },
|
| 1551 |
[CC_OP_LOGICL] = { compute_all_logicl, compute_c_logicl },
|
| 1552 |
|
| 1553 |
[CC_OP_INCB] = { compute_all_incb, compute_c_incl },
|
| 1554 |
[CC_OP_INCW] = { compute_all_incw, compute_c_incl },
|
| 1555 |
[CC_OP_INCL] = { compute_all_incl, compute_c_incl },
|
| 1556 |
|
| 1557 |
[CC_OP_DECB] = { compute_all_decb, compute_c_incl },
|
| 1558 |
[CC_OP_DECW] = { compute_all_decw, compute_c_incl },
|
| 1559 |
[CC_OP_DECL] = { compute_all_decl, compute_c_incl },
|
| 1560 |
|
| 1561 |
[CC_OP_SHLB] = { compute_all_shlb, compute_c_shlb },
|
| 1562 |
[CC_OP_SHLW] = { compute_all_shlw, compute_c_shlw },
|
| 1563 |
[CC_OP_SHLL] = { compute_all_shll, compute_c_shll },
|
| 1564 |
|
| 1565 |
[CC_OP_SARB] = { compute_all_sarb, compute_c_sarl },
|
| 1566 |
[CC_OP_SARW] = { compute_all_sarw, compute_c_sarl },
|
| 1567 |
[CC_OP_SARL] = { compute_all_sarl, compute_c_sarl },
|
| 1568 |
|
| 1569 |
#ifdef TARGET_X86_64
|
| 1570 |
[CC_OP_MULQ] = { compute_all_mulq, compute_c_mull },
|
| 1571 |
|
| 1572 |
[CC_OP_ADDQ] = { compute_all_addq, compute_c_addq },
|
| 1573 |
|
| 1574 |
[CC_OP_ADCQ] = { compute_all_adcq, compute_c_adcq },
|
| 1575 |
|
| 1576 |
[CC_OP_SUBQ] = { compute_all_subq, compute_c_subq },
|
| 1577 |
|
| 1578 |
[CC_OP_SBBQ] = { compute_all_sbbq, compute_c_sbbq },
|
| 1579 |
|
| 1580 |
[CC_OP_LOGICQ] = { compute_all_logicq, compute_c_logicq },
|
| 1581 |
|
| 1582 |
[CC_OP_INCQ] = { compute_all_incq, compute_c_incl },
|
| 1583 |
|
| 1584 |
[CC_OP_DECQ] = { compute_all_decq, compute_c_incl },
|
| 1585 |
|
| 1586 |
[CC_OP_SHLQ] = { compute_all_shlq, compute_c_shlq },
|
| 1587 |
|
| 1588 |
[CC_OP_SARQ] = { compute_all_sarq, compute_c_sarl },
|
| 1589 |
#endif
|
| 1590 |
}; |
| 1591 |
|
| 1592 |
/* floating point support. Some of the code for complicated x87
|
| 1593 |
functions comes from the LGPL'ed x86 emulator found in the Willows
|
| 1594 |
TWIN windows emulator. */
|
| 1595 |
|
| 1596 |
#if defined(__powerpc__)
|
| 1597 |
extern CPU86_LDouble copysign(CPU86_LDouble, CPU86_LDouble);
|
| 1598 |
|
| 1599 |
/* correct (but slow) PowerPC rint() (glibc version is incorrect) */
|
| 1600 |
double qemu_rint(double x) |
| 1601 |
{
|
| 1602 |
double y = 4503599627370496.0; |
| 1603 |
if (fabs(x) >= y)
|
| 1604 |
return x;
|
| 1605 |
if (x < 0) |
| 1606 |
y = -y; |
| 1607 |
y = (x + y) - y; |
| 1608 |
if (y == 0.0) |
| 1609 |
y = copysign(y, x); |
| 1610 |
return y;
|
| 1611 |
} |
| 1612 |
|
| 1613 |
#define rint qemu_rint
|
| 1614 |
#endif
|
| 1615 |
|
| 1616 |
/* fp load FT0 */
|
| 1617 |
|
| 1618 |
void OPPROTO op_flds_FT0_A0(void) |
| 1619 |
{
|
| 1620 |
#ifdef USE_FP_CONVERT
|
| 1621 |
FP_CONVERT.i32 = ldl(A0); |
| 1622 |
FT0 = FP_CONVERT.f; |
| 1623 |
#else
|
| 1624 |
FT0 = ldfl(A0); |
| 1625 |
#endif
|
| 1626 |
} |
| 1627 |
|
| 1628 |
void OPPROTO op_fldl_FT0_A0(void) |
| 1629 |
{
|
| 1630 |
#ifdef USE_FP_CONVERT
|
| 1631 |
FP_CONVERT.i64 = ldq(A0); |
| 1632 |
FT0 = FP_CONVERT.d; |
| 1633 |
#else
|
| 1634 |
FT0 = ldfq(A0); |
| 1635 |
#endif
|
| 1636 |
} |
| 1637 |
|
| 1638 |
/* helpers are needed to avoid static constant reference. XXX: find a better way */
|
| 1639 |
#ifdef USE_INT_TO_FLOAT_HELPERS
|
| 1640 |
|
| 1641 |
void helper_fild_FT0_A0(void) |
| 1642 |
{
|
| 1643 |
FT0 = (CPU86_LDouble)ldsw(A0); |
| 1644 |
} |
| 1645 |
|
| 1646 |
void helper_fildl_FT0_A0(void) |
| 1647 |
{
|
| 1648 |
FT0 = (CPU86_LDouble)((int32_t)ldl(A0)); |
| 1649 |
} |
| 1650 |
|
| 1651 |
void helper_fildll_FT0_A0(void) |
| 1652 |
{
|
| 1653 |
FT0 = (CPU86_LDouble)((int64_t)ldq(A0)); |
| 1654 |
} |
| 1655 |
|
| 1656 |
void OPPROTO op_fild_FT0_A0(void) |
| 1657 |
{
|
| 1658 |
helper_fild_FT0_A0(); |
| 1659 |
} |
| 1660 |
|
| 1661 |
void OPPROTO op_fildl_FT0_A0(void) |
| 1662 |
{
|
| 1663 |
helper_fildl_FT0_A0(); |
| 1664 |
} |
| 1665 |
|
| 1666 |
void OPPROTO op_fildll_FT0_A0(void) |
| 1667 |
{
|
| 1668 |
helper_fildll_FT0_A0(); |
| 1669 |
} |
| 1670 |
|
| 1671 |
#else
|
| 1672 |
|
| 1673 |
void OPPROTO op_fild_FT0_A0(void) |
| 1674 |
{
|
| 1675 |
#ifdef USE_FP_CONVERT
|
| 1676 |
FP_CONVERT.i32 = ldsw(A0); |
| 1677 |
FT0 = (CPU86_LDouble)FP_CONVERT.i32; |
| 1678 |
#else
|
| 1679 |
FT0 = (CPU86_LDouble)ldsw(A0); |
| 1680 |
#endif
|
| 1681 |
} |
| 1682 |
|
| 1683 |
void OPPROTO op_fildl_FT0_A0(void) |
| 1684 |
{
|
| 1685 |
#ifdef USE_FP_CONVERT
|
| 1686 |
FP_CONVERT.i32 = (int32_t) ldl(A0); |
| 1687 |
FT0 = (CPU86_LDouble)FP_CONVERT.i32; |
| 1688 |
#else
|
| 1689 |
FT0 = (CPU86_LDouble)((int32_t)ldl(A0)); |
| 1690 |
#endif
|
| 1691 |
} |
| 1692 |
|
| 1693 |
void OPPROTO op_fildll_FT0_A0(void) |
| 1694 |
{
|
| 1695 |
#ifdef USE_FP_CONVERT
|
| 1696 |
FP_CONVERT.i64 = (int64_t) ldq(A0); |
| 1697 |
FT0 = (CPU86_LDouble)FP_CONVERT.i64; |
| 1698 |
#else
|
| 1699 |
FT0 = (CPU86_LDouble)((int64_t)ldq(A0)); |
| 1700 |
#endif
|
| 1701 |
} |
| 1702 |
#endif
|
| 1703 |
|
| 1704 |
/* fp load ST0 */
|
| 1705 |
|
| 1706 |
void OPPROTO op_flds_ST0_A0(void) |
| 1707 |
{
|
| 1708 |
int new_fpstt;
|
| 1709 |
new_fpstt = (env->fpstt - 1) & 7; |
| 1710 |
#ifdef USE_FP_CONVERT
|
| 1711 |
FP_CONVERT.i32 = ldl(A0); |
| 1712 |
env->fpregs[new_fpstt].d = FP_CONVERT.f; |
| 1713 |
#else
|
| 1714 |
env->fpregs[new_fpstt].d = ldfl(A0); |
| 1715 |
#endif
|
| 1716 |
env->fpstt = new_fpstt; |
| 1717 |
env->fptags[new_fpstt] = 0; /* validate stack entry */ |
| 1718 |
} |
| 1719 |
|
| 1720 |
void OPPROTO op_fldl_ST0_A0(void) |
| 1721 |
{
|
| 1722 |
int new_fpstt;
|
| 1723 |
new_fpstt = (env->fpstt - 1) & 7; |
| 1724 |
#ifdef USE_FP_CONVERT
|
| 1725 |
FP_CONVERT.i64 = ldq(A0); |
| 1726 |
env->fpregs[new_fpstt].d = FP_CONVERT.d; |
| 1727 |
#else
|
| 1728 |
env->fpregs[new_fpstt].d = ldfq(A0); |
| 1729 |
#endif
|
| 1730 |
env->fpstt = new_fpstt; |
| 1731 |
env->fptags[new_fpstt] = 0; /* validate stack entry */ |
| 1732 |
} |
| 1733 |
|
| 1734 |
void OPPROTO op_fldt_ST0_A0(void) |
| 1735 |
{
|
| 1736 |
helper_fldt_ST0_A0(); |
| 1737 |
} |
| 1738 |
|
| 1739 |
/* helpers are needed to avoid static constant reference. XXX: find a better way */
|
| 1740 |
#ifdef USE_INT_TO_FLOAT_HELPERS
|
| 1741 |
|
| 1742 |
void helper_fild_ST0_A0(void) |
| 1743 |
{
|
| 1744 |
int new_fpstt;
|
| 1745 |
new_fpstt = (env->fpstt - 1) & 7; |
| 1746 |
env->fpregs[new_fpstt].d = (CPU86_LDouble)ldsw(A0); |
| 1747 |
env->fpstt = new_fpstt; |
| 1748 |
env->fptags[new_fpstt] = 0; /* validate stack entry */ |
| 1749 |
} |
| 1750 |
|
| 1751 |
void helper_fildl_ST0_A0(void) |
| 1752 |
{
|
| 1753 |
int new_fpstt;
|
| 1754 |
new_fpstt = (env->fpstt - 1) & 7; |
| 1755 |
env->fpregs[new_fpstt].d = (CPU86_LDouble)((int32_t)ldl(A0)); |
| 1756 |
env->fpstt = new_fpstt; |
| 1757 |
env->fptags[new_fpstt] = 0; /* validate stack entry */ |
| 1758 |
} |
| 1759 |
|
| 1760 |
void helper_fildll_ST0_A0(void) |
| 1761 |
{
|
| 1762 |
int new_fpstt;
|
| 1763 |
new_fpstt = (env->fpstt - 1) & 7; |
| 1764 |
env->fpregs[new_fpstt].d = (CPU86_LDouble)((int64_t)ldq(A0)); |
| 1765 |
env->fpstt = new_fpstt; |
| 1766 |
env->fptags[new_fpstt] = 0; /* validate stack entry */ |
| 1767 |
} |
| 1768 |
|
| 1769 |
void OPPROTO op_fild_ST0_A0(void) |
| 1770 |
{
|
| 1771 |
helper_fild_ST0_A0(); |
| 1772 |
} |
| 1773 |
|
| 1774 |
void OPPROTO op_fildl_ST0_A0(void) |
| 1775 |
{
|
| 1776 |
helper_fildl_ST0_A0(); |
| 1777 |
} |
| 1778 |
|
| 1779 |
void OPPROTO op_fildll_ST0_A0(void) |
| 1780 |
{
|
| 1781 |
helper_fildll_ST0_A0(); |
| 1782 |
} |
| 1783 |
|
| 1784 |
#else
|
| 1785 |
|
| 1786 |
void OPPROTO op_fild_ST0_A0(void) |
| 1787 |
{
|
| 1788 |
int new_fpstt;
|
| 1789 |
new_fpstt = (env->fpstt - 1) & 7; |
| 1790 |
#ifdef USE_FP_CONVERT
|
| 1791 |
FP_CONVERT.i32 = ldsw(A0); |
| 1792 |
env->fpregs[new_fpstt].d = (CPU86_LDouble)FP_CONVERT.i32; |
| 1793 |
#else
|
| 1794 |
env->fpregs[new_fpstt].d = (CPU86_LDouble)ldsw(A0); |
| 1795 |
#endif
|
| 1796 |
env->fpstt = new_fpstt; |
| 1797 |
env->fptags[new_fpstt] = 0; /* validate stack entry */ |
| 1798 |
} |
| 1799 |
|
| 1800 |
void OPPROTO op_fildl_ST0_A0(void) |
| 1801 |
{
|
| 1802 |
int new_fpstt;
|
| 1803 |
new_fpstt = (env->fpstt - 1) & 7; |
| 1804 |
#ifdef USE_FP_CONVERT
|
| 1805 |
FP_CONVERT.i32 = (int32_t) ldl(A0); |
| 1806 |
env->fpregs[new_fpstt].d = (CPU86_LDouble)FP_CONVERT.i32; |
| 1807 |
#else
|
| 1808 |
env->fpregs[new_fpstt].d = (CPU86_LDouble)((int32_t)ldl(A0)); |
| 1809 |
#endif
|
| 1810 |
env->fpstt = new_fpstt; |
| 1811 |
env->fptags[new_fpstt] = 0; /* validate stack entry */ |
| 1812 |
} |
| 1813 |
|
| 1814 |
void OPPROTO op_fildll_ST0_A0(void) |
| 1815 |
{
|
| 1816 |
int new_fpstt;
|
| 1817 |
new_fpstt = (env->fpstt - 1) & 7; |
| 1818 |
#ifdef USE_FP_CONVERT
|
| 1819 |
FP_CONVERT.i64 = (int64_t) ldq(A0); |
| 1820 |
env->fpregs[new_fpstt].d = (CPU86_LDouble)FP_CONVERT.i64; |
| 1821 |
#else
|
| 1822 |
env->fpregs[new_fpstt].d = (CPU86_LDouble)((int64_t)ldq(A0)); |
| 1823 |
#endif
|
| 1824 |
env->fpstt = new_fpstt; |
| 1825 |
env->fptags[new_fpstt] = 0; /* validate stack entry */ |
| 1826 |
} |
| 1827 |
|
| 1828 |
#endif
|
| 1829 |
|
| 1830 |
/* fp store */
|
| 1831 |
|
| 1832 |
void OPPROTO op_fsts_ST0_A0(void) |
| 1833 |
{
|
| 1834 |
#ifdef USE_FP_CONVERT
|
| 1835 |
FP_CONVERT.f = (float)ST0;
|
| 1836 |
stfl(A0, FP_CONVERT.f); |
| 1837 |
#else
|
| 1838 |
stfl(A0, (float)ST0);
|
| 1839 |
#endif
|
| 1840 |
} |
| 1841 |
|
| 1842 |
void OPPROTO op_fstl_ST0_A0(void) |
| 1843 |
{
|
| 1844 |
stfq(A0, (double)ST0);
|
| 1845 |
} |
| 1846 |
|
| 1847 |
void OPPROTO op_fstt_ST0_A0(void) |
| 1848 |
{
|
| 1849 |
helper_fstt_ST0_A0(); |
| 1850 |
} |
| 1851 |
|
| 1852 |
void OPPROTO op_fist_ST0_A0(void) |
| 1853 |
{
|
| 1854 |
#if defined(__sparc__) && !defined(__sparc_v9__)
|
| 1855 |
register CPU86_LDouble d asm("o0"); |
| 1856 |
#else
|
| 1857 |
CPU86_LDouble d; |
| 1858 |
#endif
|
| 1859 |
int val;
|
| 1860 |
|
| 1861 |
d = ST0; |
| 1862 |
val = lrint(d); |
| 1863 |
if (val != (int16_t)val)
|
| 1864 |
val = -32768;
|
| 1865 |
stw(A0, val); |
| 1866 |
} |
| 1867 |
|
| 1868 |
void OPPROTO op_fistl_ST0_A0(void) |
| 1869 |
{
|
| 1870 |
#if defined(__sparc__) && !defined(__sparc_v9__)
|
| 1871 |
register CPU86_LDouble d asm("o0"); |
| 1872 |
#else
|
| 1873 |
CPU86_LDouble d; |
| 1874 |
#endif
|
| 1875 |
int val;
|
| 1876 |
|
| 1877 |
d = ST0; |
| 1878 |
val = lrint(d); |
| 1879 |
stl(A0, val); |
| 1880 |
} |
| 1881 |
|
| 1882 |
void OPPROTO op_fistll_ST0_A0(void) |
| 1883 |
{
|
| 1884 |
#if defined(__sparc__) && !defined(__sparc_v9__)
|
| 1885 |
register CPU86_LDouble d asm("o0"); |
| 1886 |
#else
|
| 1887 |
CPU86_LDouble d; |
| 1888 |
#endif
|
| 1889 |
int64_t val; |
| 1890 |
|
| 1891 |
d = ST0; |
| 1892 |
val = llrint(d); |
| 1893 |
stq(A0, val); |
| 1894 |
} |
| 1895 |
|
| 1896 |
void OPPROTO op_fbld_ST0_A0(void) |
| 1897 |
{
|
| 1898 |
helper_fbld_ST0_A0(); |
| 1899 |
} |
| 1900 |
|
| 1901 |
void OPPROTO op_fbst_ST0_A0(void) |
| 1902 |
{
|
| 1903 |
helper_fbst_ST0_A0(); |
| 1904 |
} |
| 1905 |
|
| 1906 |
/* FPU move */
|
| 1907 |
|
| 1908 |
void OPPROTO op_fpush(void) |
| 1909 |
{
|
| 1910 |
fpush(); |
| 1911 |
} |
| 1912 |
|
| 1913 |
void OPPROTO op_fpop(void) |
| 1914 |
{
|
| 1915 |
fpop(); |
| 1916 |
} |
| 1917 |
|
| 1918 |
void OPPROTO op_fdecstp(void) |
| 1919 |
{
|
| 1920 |
env->fpstt = (env->fpstt - 1) & 7; |
| 1921 |
env->fpus &= (~0x4700);
|
| 1922 |
} |
| 1923 |
|
| 1924 |
void OPPROTO op_fincstp(void) |
| 1925 |
{
|
| 1926 |
env->fpstt = (env->fpstt + 1) & 7; |
| 1927 |
env->fpus &= (~0x4700);
|
| 1928 |
} |
| 1929 |
|
| 1930 |
void OPPROTO op_ffree_STN(void) |
| 1931 |
{
|
| 1932 |
env->fptags[(env->fpstt + PARAM1) & 7] = 1; |
| 1933 |
} |
| 1934 |
|
| 1935 |
void OPPROTO op_fmov_ST0_FT0(void) |
| 1936 |
{
|
| 1937 |
ST0 = FT0; |
| 1938 |
} |
| 1939 |
|
| 1940 |
void OPPROTO op_fmov_FT0_STN(void) |
| 1941 |
{
|
| 1942 |
FT0 = ST(PARAM1); |
| 1943 |
} |
| 1944 |
|
| 1945 |
void OPPROTO op_fmov_ST0_STN(void) |
| 1946 |
{
|
| 1947 |
ST0 = ST(PARAM1); |
| 1948 |
} |
| 1949 |
|
| 1950 |
void OPPROTO op_fmov_STN_ST0(void) |
| 1951 |
{
|
| 1952 |
ST(PARAM1) = ST0; |
| 1953 |
} |
| 1954 |
|
| 1955 |
void OPPROTO op_fxchg_ST0_STN(void) |
| 1956 |
{
|
| 1957 |
CPU86_LDouble tmp; |
| 1958 |
tmp = ST(PARAM1); |
| 1959 |
ST(PARAM1) = ST0; |
| 1960 |
ST0 = tmp; |
| 1961 |
} |
| 1962 |
|
| 1963 |
/* FPU operations */
|
| 1964 |
|
| 1965 |
/* XXX: handle nans */
|
| 1966 |
void OPPROTO op_fcom_ST0_FT0(void) |
| 1967 |
{
|
| 1968 |
env->fpus &= (~0x4500); /* (C3,C2,C0) <-- 000 */ |
| 1969 |
if (ST0 < FT0)
|
| 1970 |
env->fpus |= 0x100; /* (C3,C2,C0) <-- 001 */ |
| 1971 |
else if (ST0 == FT0) |
| 1972 |
env->fpus |= 0x4000; /* (C3,C2,C0) <-- 100 */ |
| 1973 |
FORCE_RET(); |
| 1974 |
} |
| 1975 |
|
| 1976 |
/* XXX: handle nans */
|
| 1977 |
void OPPROTO op_fucom_ST0_FT0(void) |
| 1978 |
{
|
| 1979 |
env->fpus &= (~0x4500); /* (C3,C2,C0) <-- 000 */ |
| 1980 |
if (ST0 < FT0)
|
| 1981 |
env->fpus |= 0x100; /* (C3,C2,C0) <-- 001 */ |
| 1982 |
else if (ST0 == FT0) |
| 1983 |
env->fpus |= 0x4000; /* (C3,C2,C0) <-- 100 */ |
| 1984 |
FORCE_RET(); |
| 1985 |
} |
| 1986 |
|
| 1987 |
/* XXX: handle nans */
|
| 1988 |
void OPPROTO op_fcomi_ST0_FT0(void) |
| 1989 |
{
|
| 1990 |
int eflags;
|
| 1991 |
eflags = cc_table[CC_OP].compute_all(); |
| 1992 |
eflags &= ~(CC_Z | CC_P | CC_C); |
| 1993 |
if (ST0 < FT0)
|
| 1994 |
eflags |= CC_C; |
| 1995 |
else if (ST0 == FT0) |
| 1996 |
eflags |= CC_Z; |
| 1997 |
CC_SRC = eflags; |
| 1998 |
FORCE_RET(); |
| 1999 |
} |
| 2000 |
|
| 2001 |
/* XXX: handle nans */
|
| 2002 |
void OPPROTO op_fucomi_ST0_FT0(void) |
| 2003 |
{
|
| 2004 |
int eflags;
|
| 2005 |
eflags = cc_table[CC_OP].compute_all(); |
| 2006 |
eflags &= ~(CC_Z | CC_P | CC_C); |
| 2007 |
if (ST0 < FT0)
|
| 2008 |
eflags |= CC_C; |
| 2009 |
else if (ST0 == FT0) |
| 2010 |
eflags |= CC_Z; |
| 2011 |
CC_SRC = eflags; |
| 2012 |
FORCE_RET(); |
| 2013 |
} |
| 2014 |
|
| 2015 |
void OPPROTO op_fcmov_ST0_STN_T0(void) |
| 2016 |
{
|
| 2017 |
if (T0) {
|
| 2018 |
ST0 = ST(PARAM1); |
| 2019 |
} |
| 2020 |
FORCE_RET(); |
| 2021 |
} |
| 2022 |
|
| 2023 |
void OPPROTO op_fadd_ST0_FT0(void) |
| 2024 |
{
|
| 2025 |
ST0 += FT0; |
| 2026 |
} |
| 2027 |
|
| 2028 |
void OPPROTO op_fmul_ST0_FT0(void) |
| 2029 |
{
|
| 2030 |
ST0 *= FT0; |
| 2031 |
} |
| 2032 |
|
| 2033 |
void OPPROTO op_fsub_ST0_FT0(void) |
| 2034 |
{
|
| 2035 |
ST0 -= FT0; |
| 2036 |
} |
| 2037 |
|
| 2038 |
void OPPROTO op_fsubr_ST0_FT0(void) |
| 2039 |
{
|
| 2040 |
ST0 = FT0 - ST0; |
| 2041 |
} |
| 2042 |
|
| 2043 |
void OPPROTO op_fdiv_ST0_FT0(void) |
| 2044 |
{
|
| 2045 |
ST0 = helper_fdiv(ST0, FT0); |
| 2046 |
} |
| 2047 |
|
| 2048 |
void OPPROTO op_fdivr_ST0_FT0(void) |
| 2049 |
{
|
| 2050 |
ST0 = helper_fdiv(FT0, ST0); |
| 2051 |
} |
| 2052 |
|
| 2053 |
/* fp operations between STN and ST0 */
|
| 2054 |
|
| 2055 |
void OPPROTO op_fadd_STN_ST0(void) |
| 2056 |
{
|
| 2057 |
ST(PARAM1) += ST0; |
| 2058 |
} |
| 2059 |
|
| 2060 |
void OPPROTO op_fmul_STN_ST0(void) |
| 2061 |
{
|
| 2062 |
ST(PARAM1) *= ST0; |
| 2063 |
} |
| 2064 |
|
| 2065 |
void OPPROTO op_fsub_STN_ST0(void) |
| 2066 |
{
|
| 2067 |
ST(PARAM1) -= ST0; |
| 2068 |
} |
| 2069 |
|
| 2070 |
void OPPROTO op_fsubr_STN_ST0(void) |
| 2071 |
{
|
| 2072 |
CPU86_LDouble *p; |
| 2073 |
p = &ST(PARAM1); |
| 2074 |
*p = ST0 - *p; |
| 2075 |
} |
| 2076 |
|
| 2077 |
void OPPROTO op_fdiv_STN_ST0(void) |
| 2078 |
{
|
| 2079 |
CPU86_LDouble *p; |
| 2080 |
p = &ST(PARAM1); |
| 2081 |
*p = helper_fdiv(*p, ST0); |
| 2082 |
} |
| 2083 |
|
| 2084 |
void OPPROTO op_fdivr_STN_ST0(void) |
| 2085 |
{
|
| 2086 |
CPU86_LDouble *p; |
| 2087 |
p = &ST(PARAM1); |
| 2088 |
*p = helper_fdiv(ST0, *p); |
| 2089 |
} |
| 2090 |
|
| 2091 |
/* misc FPU operations */
|
| 2092 |
void OPPROTO op_fchs_ST0(void) |
| 2093 |
{
|
| 2094 |
ST0 = -ST0; |
| 2095 |
} |
| 2096 |
|
| 2097 |
void OPPROTO op_fabs_ST0(void) |
| 2098 |
{
|
| 2099 |
ST0 = fabs(ST0); |
| 2100 |
} |
| 2101 |
|
| 2102 |
void OPPROTO op_fxam_ST0(void) |
| 2103 |
{
|
| 2104 |
helper_fxam_ST0(); |
| 2105 |
} |
| 2106 |
|
| 2107 |
void OPPROTO op_fld1_ST0(void) |
| 2108 |
{
|
| 2109 |
ST0 = f15rk[1];
|
| 2110 |
} |
| 2111 |
|
| 2112 |
void OPPROTO op_fldl2t_ST0(void) |
| 2113 |
{
|
| 2114 |
ST0 = f15rk[6];
|
| 2115 |
} |
| 2116 |
|
| 2117 |
void OPPROTO op_fldl2e_ST0(void) |
| 2118 |
{
|
| 2119 |
ST0 = f15rk[5];
|
| 2120 |
} |
| 2121 |
|
| 2122 |
void OPPROTO op_fldpi_ST0(void) |
| 2123 |
{
|
| 2124 |
ST0 = f15rk[2];
|
| 2125 |
} |
| 2126 |
|
| 2127 |
void OPPROTO op_fldlg2_ST0(void) |
| 2128 |
{
|
| 2129 |
ST0 = f15rk[3];
|
| 2130 |
} |
| 2131 |
|
| 2132 |
void OPPROTO op_fldln2_ST0(void) |
| 2133 |
{
|
| 2134 |
ST0 = f15rk[4];
|
| 2135 |
} |
| 2136 |
|
| 2137 |
void OPPROTO op_fldz_ST0(void) |
| 2138 |
{
|
| 2139 |
ST0 = f15rk[0];
|
| 2140 |
} |
| 2141 |
|
| 2142 |
void OPPROTO op_fldz_FT0(void) |
| 2143 |
{
|
| 2144 |
FT0 = f15rk[0];
|
| 2145 |
} |
| 2146 |
|
| 2147 |
/* associated heplers to reduce generated code length and to simplify
|
| 2148 |
relocation (FP constants are usually stored in .rodata section) */
|
| 2149 |
|
| 2150 |
void OPPROTO op_f2xm1(void) |
| 2151 |
{
|
| 2152 |
helper_f2xm1(); |
| 2153 |
} |
| 2154 |
|
| 2155 |
void OPPROTO op_fyl2x(void) |
| 2156 |
{
|
| 2157 |
helper_fyl2x(); |
| 2158 |
} |
| 2159 |
|
| 2160 |
void OPPROTO op_fptan(void) |
| 2161 |
{
|
| 2162 |
helper_fptan(); |
| 2163 |
} |
| 2164 |
|
| 2165 |
void OPPROTO op_fpatan(void) |
| 2166 |
{
|
| 2167 |
helper_fpatan(); |
| 2168 |
} |
| 2169 |
|
| 2170 |
void OPPROTO op_fxtract(void) |
| 2171 |
{
|
| 2172 |
helper_fxtract(); |
| 2173 |
} |
| 2174 |
|
| 2175 |
void OPPROTO op_fprem1(void) |
| 2176 |
{
|
| 2177 |
helper_fprem1(); |
| 2178 |
} |
| 2179 |
|
| 2180 |
|
| 2181 |
void OPPROTO op_fprem(void) |
| 2182 |
{
|
| 2183 |
helper_fprem(); |
| 2184 |
} |
| 2185 |
|
| 2186 |
void OPPROTO op_fyl2xp1(void) |
| 2187 |
{
|
| 2188 |
helper_fyl2xp1(); |
| 2189 |
} |
| 2190 |
|
| 2191 |
void OPPROTO op_fsqrt(void) |
| 2192 |
{
|
| 2193 |
helper_fsqrt(); |
| 2194 |
} |
| 2195 |
|
| 2196 |
void OPPROTO op_fsincos(void) |
| 2197 |
{
|
| 2198 |
helper_fsincos(); |
| 2199 |
} |
| 2200 |
|
| 2201 |
void OPPROTO op_frndint(void) |
| 2202 |
{
|
| 2203 |
helper_frndint(); |
| 2204 |
} |
| 2205 |
|
| 2206 |
void OPPROTO op_fscale(void) |
| 2207 |
{
|
| 2208 |
helper_fscale(); |
| 2209 |
} |
| 2210 |
|
| 2211 |
void OPPROTO op_fsin(void) |
| 2212 |
{
|
| 2213 |
helper_fsin(); |
| 2214 |
} |
| 2215 |
|
| 2216 |
void OPPROTO op_fcos(void) |
| 2217 |
{
|
| 2218 |
helper_fcos(); |
| 2219 |
} |
| 2220 |
|
| 2221 |
void OPPROTO op_fnstsw_A0(void) |
| 2222 |
{
|
| 2223 |
int fpus;
|
| 2224 |
fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; |
| 2225 |
stw(A0, fpus); |
| 2226 |
} |
| 2227 |
|
| 2228 |
void OPPROTO op_fnstsw_EAX(void) |
| 2229 |
{
|
| 2230 |
int fpus;
|
| 2231 |
fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; |
| 2232 |
EAX = (EAX & ~0xffff) | fpus;
|
| 2233 |
} |
| 2234 |
|
| 2235 |
void OPPROTO op_fnstcw_A0(void) |
| 2236 |
{
|
| 2237 |
stw(A0, env->fpuc); |
| 2238 |
} |
| 2239 |
|
| 2240 |
void OPPROTO op_fldcw_A0(void) |
| 2241 |
{
|
| 2242 |
int rnd_type;
|
| 2243 |
env->fpuc = lduw(A0); |
| 2244 |
/* set rounding mode */
|
| 2245 |
switch(env->fpuc & RC_MASK) {
|
| 2246 |
default:
|
| 2247 |
case RC_NEAR:
|
| 2248 |
rnd_type = FE_TONEAREST; |
| 2249 |
break;
|
| 2250 |
case RC_DOWN:
|
| 2251 |
rnd_type = FE_DOWNWARD; |
| 2252 |
break;
|
| 2253 |
case RC_UP:
|
| 2254 |
rnd_type = FE_UPWARD; |
| 2255 |
break;
|
| 2256 |
case RC_CHOP:
|
| 2257 |
rnd_type = FE_TOWARDZERO; |
| 2258 |
break;
|
| 2259 |
} |
| 2260 |
fesetround(rnd_type); |
| 2261 |
} |
| 2262 |
|
| 2263 |
void OPPROTO op_fclex(void) |
| 2264 |
{
|
| 2265 |
env->fpus &= 0x7f00;
|
| 2266 |
} |
| 2267 |
|
| 2268 |
void OPPROTO op_fwait(void) |
| 2269 |
{
|
| 2270 |
if (env->fpus & FPUS_SE)
|
| 2271 |
fpu_raise_exception(); |
| 2272 |
FORCE_RET(); |
| 2273 |
} |
| 2274 |
|
| 2275 |
void OPPROTO op_fninit(void) |
| 2276 |
{
|
| 2277 |
env->fpus = 0;
|
| 2278 |
env->fpstt = 0;
|
| 2279 |
env->fpuc = 0x37f;
|
| 2280 |
env->fptags[0] = 1; |
| 2281 |
env->fptags[1] = 1; |
| 2282 |
env->fptags[2] = 1; |
| 2283 |
env->fptags[3] = 1; |
| 2284 |
env->fptags[4] = 1; |
| 2285 |
env->fptags[5] = 1; |
| 2286 |
env->fptags[6] = 1; |
| 2287 |
env->fptags[7] = 1; |
| 2288 |
} |
| 2289 |
|
| 2290 |
void OPPROTO op_fnstenv_A0(void) |
| 2291 |
{
|
| 2292 |
helper_fstenv(A0, PARAM1); |
| 2293 |
} |
| 2294 |
|
| 2295 |
void OPPROTO op_fldenv_A0(void) |
| 2296 |
{
|
| 2297 |
helper_fldenv(A0, PARAM1); |
| 2298 |
} |
| 2299 |
|
| 2300 |
void OPPROTO op_fnsave_A0(void) |
| 2301 |
{
|
| 2302 |
helper_fsave(A0, PARAM1); |
| 2303 |
} |
| 2304 |
|
| 2305 |
void OPPROTO op_frstor_A0(void) |
| 2306 |
{
|
| 2307 |
helper_frstor(A0, PARAM1); |
| 2308 |
} |
| 2309 |
|
| 2310 |
/* threading support */
|
| 2311 |
void OPPROTO op_lock(void) |
| 2312 |
{
|
| 2313 |
cpu_lock(); |
| 2314 |
} |
| 2315 |
|
| 2316 |
void OPPROTO op_unlock(void) |
| 2317 |
{
|
| 2318 |
cpu_unlock(); |
| 2319 |
} |
| 2320 |
|
| 2321 |
/* SSE support */
|
| 2322 |
static inline void memcpy16(void *d, void *s) |
| 2323 |
{
|
| 2324 |
((uint32_t *)d)[0] = ((uint32_t *)s)[0]; |
| 2325 |
((uint32_t *)d)[1] = ((uint32_t *)s)[1]; |
| 2326 |
((uint32_t *)d)[2] = ((uint32_t *)s)[2]; |
| 2327 |
((uint32_t *)d)[3] = ((uint32_t *)s)[3]; |
| 2328 |
} |
| 2329 |
|
| 2330 |
void OPPROTO op_movo(void) |
| 2331 |
{
|
| 2332 |
/* XXX: badly generated code */
|
| 2333 |
XMMReg *d, *s; |
| 2334 |
d = (XMMReg *)((char *)env + PARAM1);
|
| 2335 |
s = (XMMReg *)((char *)env + PARAM2);
|
| 2336 |
memcpy16(d, s); |
| 2337 |
} |
| 2338 |
|
| 2339 |
void OPPROTO op_movq(void) |
| 2340 |
{
|
| 2341 |
uint64_t *d, *s; |
| 2342 |
d = (uint64_t *)((char *)env + PARAM1);
|
| 2343 |
s = (uint64_t *)((char *)env + PARAM2);
|
| 2344 |
*d = *s; |
| 2345 |
} |
| 2346 |
|
| 2347 |
void OPPROTO op_movl(void) |
| 2348 |
{
|
| 2349 |
uint32_t *d, *s; |
| 2350 |
d = (uint32_t *)((char *)env + PARAM1);
|
| 2351 |
s = (uint32_t *)((char *)env + PARAM2);
|
| 2352 |
*d = *s; |
| 2353 |
} |
| 2354 |
|
| 2355 |
void OPPROTO op_movq_env_0(void) |
| 2356 |
{
|
| 2357 |
uint64_t *d; |
| 2358 |
d = (uint64_t *)((char *)env + PARAM1);
|
| 2359 |
*d = 0;
|
| 2360 |
} |
| 2361 |
|
| 2362 |
void OPPROTO op_fxsave_A0(void) |
| 2363 |
{
|
| 2364 |
helper_fxsave(A0, PARAM1); |
| 2365 |
} |
| 2366 |
|
| 2367 |
void OPPROTO op_fxrstor_A0(void) |
| 2368 |
{
|
| 2369 |
helper_fxrstor(A0, PARAM1); |
| 2370 |
} |
| 2371 |
|
| 2372 |
/* XXX: optimize by storing fptt and fptags in the static cpu state */
|
| 2373 |
void OPPROTO op_enter_mmx(void) |
| 2374 |
{
|
| 2375 |
env->fpstt = 0;
|
| 2376 |
*(uint32_t *)(env->fptags) = 0;
|
| 2377 |
*(uint32_t *)(env->fptags + 4) = 0; |
| 2378 |
} |
| 2379 |
|
| 2380 |
void OPPROTO op_emms(void) |
| 2381 |
{
|
| 2382 |
/* set to empty state */
|
| 2383 |
*(uint32_t *)(env->fptags) = 0x01010101;
|
| 2384 |
*(uint32_t *)(env->fptags + 4) = 0x01010101; |
| 2385 |
} |
| 2386 |
|
| 2387 |
#define SHIFT 0 |
| 2388 |
#include "ops_sse.h" |
| 2389 |
|
| 2390 |
#define SHIFT 1 |
| 2391 |
#include "ops_sse.h" |