Bochs/bochs/cpu/logical64.cc
2005-06-21 17:01:21 +00:00

350 lines
8.5 KiB
C++

/////////////////////////////////////////////////////////////////////////
// $Id: logical64.cc,v 1.14 2005-06-21 17:01:21 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
//
// MandrakeSoft S.A.
// 43, rue d'Aboukir
// 75002 Paris - France
// http://www.linux-mandrake.com/
// http://www.mandrakesoft.com/
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#define NEED_CPU_REG_SHORTCUTS 1
#include "bochs.h"
#define LOG_THIS BX_CPU_THIS_PTR
#if BX_SUPPORT_X86_64
void BX_CPU_C::XOR_EqGq(bxInstruction_c *i)
{
/* for 64 bit operand size mode */
Bit64u op2_64, op1_64, result_64;
op2_64 = BX_READ_64BIT_REG(i->nnn());
/* op1_64 is a register or memory reference */
if (i->modC0()) {
op1_64 = BX_READ_64BIT_REG(i->rm());
result_64 = op1_64 ^ op2_64;
BX_WRITE_64BIT_REG(i->rm(), result_64);
}
else {
/* pointer, segment address pair */
read_RMW_virtual_qword(i->seg(), RMAddr(i), &op1_64);
result_64 = op1_64 ^ op2_64;
Write_RMW_virtual_qword(result_64);
}
SET_FLAGS_OSZAPC_RESULT_64(result_64, BX_INSTR_LOGIC64);
}
void BX_CPU_C::XOR_GqEq(bxInstruction_c *i)
{
/* for 64 bit operand size mode */
Bit64u op1_64, op2_64, result_64;
op1_64 = BX_READ_64BIT_REG(i->nnn());
/* op2_64 is a register or memory reference */
if (i->modC0()) {
op2_64 = BX_READ_64BIT_REG(i->rm());
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg(), RMAddr(i), &op2_64);
}
result_64 = op1_64 ^ op2_64;
/* now write result back to destination */
BX_WRITE_64BIT_REG(i->nnn(), result_64);
SET_FLAGS_OSZAPC_RESULT_64(result_64, BX_INSTR_LOGIC64);
}
void BX_CPU_C::XOR_RAXId(bxInstruction_c *i)
{
/* for 64 bit operand size mode */
Bit64u op1_64, op2_64, sum_64;
op1_64 = RAX;
op2_64 = (Bit32s) i->Id();
sum_64 = op1_64 ^ op2_64;
/* now write sum back to destination */
RAX = sum_64;
SET_FLAGS_OSZAPC_RESULT_64(sum_64, BX_INSTR_LOGIC64);
}
void BX_CPU_C::XOR_EqId(bxInstruction_c *i)
{
Bit64u op2_64, op1_64, result_64;
op2_64 = (Bit32s) i->Id();
/* op1_64 is a register or memory reference */
if (i->modC0()) {
op1_64 = BX_READ_64BIT_REG(i->rm());
result_64 = op1_64 ^ op2_64;
BX_WRITE_64BIT_REG(i->rm(), result_64);
}
else {
/* pointer, segment address pair */
read_RMW_virtual_qword(i->seg(), RMAddr(i), &op1_64);
result_64 = op1_64 ^ op2_64;
Write_RMW_virtual_qword(result_64);
}
SET_FLAGS_OSZAPC_RESULT_64(result_64, BX_INSTR_LOGIC64);
}
void BX_CPU_C::OR_EqId(bxInstruction_c *i)
{
Bit64u op2_64, op1_64, result_64;
op2_64 = (Bit32s) i->Id();
/* op1_64 is a register or memory reference */
if (i->modC0()) {
op1_64 = BX_READ_64BIT_REG(i->rm());
result_64 = op1_64 | op2_64;
BX_WRITE_64BIT_REG(i->rm(), result_64);
}
else {
/* pointer, segment address pair */
read_RMW_virtual_qword(i->seg(), RMAddr(i), &op1_64);
result_64 = op1_64 | op2_64;
Write_RMW_virtual_qword(result_64);
}
SET_FLAGS_OSZAPC_RESULT_64(result_64, BX_INSTR_LOGIC64);
}
void BX_CPU_C::NOT_Eq(bxInstruction_c *i)
{
Bit64u op1_64, result_64;
/* op1 is a register or memory reference */
if (i->modC0()) {
op1_64 = BX_READ_64BIT_REG(i->rm());
result_64 = ~op1_64;
BX_WRITE_64BIT_REG(i->rm(), result_64);
}
else {
/* pointer, segment address pair */
read_RMW_virtual_qword(i->seg(), RMAddr(i), &op1_64);
result_64 = ~op1_64;
Write_RMW_virtual_qword(result_64);
}
}
void BX_CPU_C::OR_EqGq(bxInstruction_c *i)
{
Bit64u op2_64, op1_64, result_64;
op2_64 = BX_READ_64BIT_REG(i->nnn());
/* op1_64 is a register or memory reference */
if (i->modC0()) {
op1_64 = BX_READ_64BIT_REG(i->rm());
result_64 = op1_64 | op2_64;
BX_WRITE_64BIT_REG(i->rm(), result_64);
}
else {
/* pointer, segment address pair */
read_RMW_virtual_qword(i->seg(), RMAddr(i), &op1_64);
result_64 = op1_64 | op2_64;
Write_RMW_virtual_qword(result_64);
}
SET_FLAGS_OSZAPC_RESULT_64(result_64, BX_INSTR_LOGIC64);
}
void BX_CPU_C::OR_GqEq(bxInstruction_c *i)
{
Bit64u op1_64, op2_64, result_64;
op1_64 = BX_READ_64BIT_REG(i->nnn());
/* op2_64 is a register or memory reference */
if (i->modC0()) {
op2_64 = BX_READ_64BIT_REG(i->rm());
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg(), RMAddr(i), &op2_64);
}
result_64 = op1_64 | op2_64;
/* now write result back to destination */
BX_WRITE_64BIT_REG(i->nnn(), result_64);
SET_FLAGS_OSZAPC_RESULT_64(result_64, BX_INSTR_LOGIC64);
}
void BX_CPU_C::OR_RAXId(bxInstruction_c *i)
{
Bit64u op1_64, op2_64, sum_64;
op1_64 = RAX;
op2_64 = (Bit32s) i->Id();
sum_64 = op1_64 | op2_64;
/* now write sum back to destination */
RAX = sum_64;
SET_FLAGS_OSZAPC_RESULT_64(sum_64, BX_INSTR_LOGIC64);
}
void BX_CPU_C::AND_EqGq(bxInstruction_c *i)
{
Bit64u op2_64, op1_64, result_64;
op2_64 = BX_READ_64BIT_REG(i->nnn());
/* op1_64 is a register or memory reference */
if (i->modC0()) {
op1_64 = BX_READ_64BIT_REG(i->rm());
result_64 = op1_64 & op2_64;
BX_WRITE_64BIT_REG(i->rm(), result_64);
}
else {
/* pointer, segment address pair */
read_RMW_virtual_qword(i->seg(), RMAddr(i), &op1_64);
result_64 = op1_64 & op2_64;
Write_RMW_virtual_qword(result_64);
}
SET_FLAGS_OSZAPC_RESULT_64(result_64, BX_INSTR_LOGIC64);
}
void BX_CPU_C::AND_GqEq(bxInstruction_c *i)
{
Bit64u op1_64, op2_64, result_64;
op1_64 = BX_READ_64BIT_REG(i->nnn());
/* op2_64 is a register or memory reference */
if (i->modC0()) {
op2_64 = BX_READ_64BIT_REG(i->rm());
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg(), RMAddr(i), &op2_64);
}
result_64 = op1_64 & op2_64;
/* now write result back to destination */
BX_WRITE_64BIT_REG(i->nnn(), result_64);
SET_FLAGS_OSZAPC_RESULT_64(result_64, BX_INSTR_LOGIC64);
}
void BX_CPU_C::AND_RAXId(bxInstruction_c *i)
{
Bit64u op1_64, op2_64, sum_64;
op1_64 = RAX;
op2_64 = (Bit32s) i->Id();
sum_64 = op1_64 & op2_64;
/* now write sum back to destination */
RAX = sum_64;
SET_FLAGS_OSZAPC_RESULT_64(sum_64, BX_INSTR_LOGIC64);
}
void BX_CPU_C::AND_EqId(bxInstruction_c *i)
{
Bit64u op2_64, op1_64, result_64;
op2_64 = (Bit32s) i->Id();
/* op1_64 is a register or memory reference */
if (i->modC0()) {
op1_64 = BX_READ_64BIT_REG(i->rm());
result_64 = op1_64 & op2_64;
BX_WRITE_64BIT_REG(i->rm(), result_64);
}
else {
/* pointer, segment address pair */
read_RMW_virtual_qword(i->seg(), RMAddr(i), &op1_64);
result_64 = op1_64 & op2_64;
Write_RMW_virtual_qword(result_64);
}
SET_FLAGS_OSZAPC_RESULT_64(result_64, BX_INSTR_LOGIC64);
}
void BX_CPU_C::TEST_EqGq(bxInstruction_c *i)
{
Bit64u op2_64, op1_64, result_64;
op2_64 = BX_READ_64BIT_REG(i->nnn());
/* op1_64 is a register or memory reference */
if (i->modC0()) {
op1_64 = BX_READ_64BIT_REG(i->rm());
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg(), RMAddr(i), &op1_64);
}
result_64 = op1_64 & op2_64;
SET_FLAGS_OSZAPC_RESULT_64(result_64, BX_INSTR_LOGIC64);
}
void BX_CPU_C::TEST_RAXId(bxInstruction_c *i)
{
Bit64u op2_64, op1_64, result_64;
op1_64 = RAX;
op2_64 = (Bit32s) i->Id();
result_64 = op1_64 & op2_64;
SET_FLAGS_OSZAPC_RESULT_64(result_64, BX_INSTR_LOGIC64);
}
void BX_CPU_C::TEST_EqId(bxInstruction_c *i)
{
Bit64u op2_64, op1_64, result_64;
op2_64 = (Bit32s) i->Id();
/* op1_64 is a register or memory reference */
if (i->modC0()) {
op1_64 = BX_READ_64BIT_REG(i->rm());
}
else {
/* pointer, segment address pair */
read_virtual_qword(i->seg(), RMAddr(i), &op1_64);
}
result_64 = op1_64 & op2_64;
SET_FLAGS_OSZAPC_RESULT_64(result_64, BX_INSTR_LOGIC64);
}
#endif /* if BX_SUPPORT_X86_64 */