384 lines
10 KiB
C++
384 lines
10 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2001-2015 The Bochs Project
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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., 51 Franklin St, Fifth Floor, Boston, MA B 02110-1301 USA
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/////////////////////////////////////////////////////////////////////////
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#define NEED_CPU_REG_SHORTCUTS 1
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#include "bochs.h"
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#include "cpu.h"
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#define LOG_THIS BX_CPU_THIS_PTR
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOV_EdIdM(bxInstruction_c *i)
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{
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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write_virtual_dword(i->seg(), eaddr, i->Id());
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOV_EdIdR(bxInstruction_c *i)
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{
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BX_WRITE_32BIT_REGZ(i->dst(), i->Id());
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOV32_EdGdM(bxInstruction_c *i)
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{
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Bit32u eaddr = (Bit32u) BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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write_virtual_dword_32(i->seg(), eaddr, BX_READ_32BIT_REG(i->src()));
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOV32S_EdGdM(bxInstruction_c *i)
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{
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Bit32u eaddr = (Bit32u) BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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stack_write_dword(eaddr, BX_READ_32BIT_REG(i->src()));
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOV_GdEdR(bxInstruction_c *i)
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{
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BX_WRITE_32BIT_REGZ(i->dst(), BX_READ_32BIT_REG(i->src()));
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOV32_GdEdM(bxInstruction_c *i)
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{
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Bit32u eaddr = (Bit32u) BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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Bit32u val32 = read_virtual_dword_32(i->seg(), eaddr);
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BX_WRITE_32BIT_REGZ(i->dst(), val32);
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOV32S_GdEdM(bxInstruction_c *i)
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{
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Bit32u eaddr = (Bit32u) BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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Bit32u val32 = stack_read_dword(eaddr);
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BX_WRITE_32BIT_REGZ(i->dst(), val32);
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::LEA_GdM(bxInstruction_c *i)
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{
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Bit32u eaddr = (Bit32u) BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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BX_WRITE_32BIT_REGZ(i->dst(), eaddr);
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOV_EAXOd(bxInstruction_c *i)
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{
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RAX = read_virtual_dword_32(i->seg(), i->Id());
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOV_OdEAX(bxInstruction_c *i)
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{
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write_virtual_dword_32(i->seg(), i->Id(), EAX);
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVZX_GdEbM(bxInstruction_c *i)
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{
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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Bit8u op2_8 = read_virtual_byte(i->seg(), eaddr);
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/* zero extend byte op2 into dword op1 */
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BX_WRITE_32BIT_REGZ(i->dst(), (Bit32u) op2_8);
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVZX_GdEbR(bxInstruction_c *i)
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{
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Bit8u op2_8 = BX_READ_8BIT_REGx(i->src(), i->extend8bitL());
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/* zero extend byte op2 into dword op1 */
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BX_WRITE_32BIT_REGZ(i->dst(), (Bit32u) op2_8);
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVZX_GdEwM(bxInstruction_c *i)
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{
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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Bit16u op2_16 = read_virtual_word(i->seg(), eaddr);
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/* zero extend word op2 into dword op1 */
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BX_WRITE_32BIT_REGZ(i->dst(), (Bit32u) op2_16);
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVZX_GdEwR(bxInstruction_c *i)
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{
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Bit16u op2_16 = BX_READ_16BIT_REG(i->src());
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/* zero extend word op2 into dword op1 */
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BX_WRITE_32BIT_REGZ(i->dst(), (Bit32u) op2_16);
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVSX_GdEbM(bxInstruction_c *i)
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{
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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Bit8u op2_8 = read_virtual_byte(i->seg(), eaddr);
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/* sign extend byte op2 into dword op1 */
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BX_WRITE_32BIT_REGZ(i->dst(), (Bit8s) op2_8);
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVSX_GdEbR(bxInstruction_c *i)
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{
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Bit8u op2_8 = BX_READ_8BIT_REGx(i->src(), i->extend8bitL());
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/* sign extend byte op2 into dword op1 */
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BX_WRITE_32BIT_REGZ(i->dst(), (Bit8s) op2_8);
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVSX_GdEwM(bxInstruction_c *i)
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{
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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Bit16u op2_16 = read_virtual_word(i->seg(), eaddr);
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/* sign extend word op2 into dword op1 */
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BX_WRITE_32BIT_REGZ(i->dst(), (Bit16s) op2_16);
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVSX_GdEwR(bxInstruction_c *i)
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{
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Bit16u op2_16 = BX_READ_16BIT_REG(i->src());
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/* sign extend word op2 into dword op1 */
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BX_WRITE_32BIT_REGZ(i->dst(), (Bit16s) op2_16);
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::XCHG_EdGdM(bxInstruction_c *i)
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{
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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Bit32u op1_32 = read_RMW_virtual_dword(i->seg(), eaddr);
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Bit32u op2_32 = BX_READ_32BIT_REG(i->src());
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write_RMW_linear_dword(op2_32);
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BX_WRITE_32BIT_REGZ(i->src(), op1_32);
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::XCHG_EdGdR(bxInstruction_c *i)
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{
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Bit32u op1_32 = BX_READ_32BIT_REG(i->dst());
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Bit32u op2_32 = BX_READ_32BIT_REG(i->src());
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BX_WRITE_32BIT_REGZ(i->src(), op1_32);
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BX_WRITE_32BIT_REGZ(i->dst(), op2_32);
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BX_NEXT_INSTR(i);
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}
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// Note: CMOV accesses a memory source operand (read), regardless
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// of whether condition is true or not. Thus, exceptions may
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// occur even if the MOV does not take place.
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::CMOVO_GdEdR(bxInstruction_c *i)
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{
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if (get_OF())
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BX_WRITE_32BIT_REGZ(i->dst(), BX_READ_32BIT_REG(i->src()));
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BX_CLEAR_64BIT_HIGH(i->dst()); // always clear upper part of the register
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::CMOVNO_GdEdR(bxInstruction_c *i)
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{
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if (!get_OF())
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BX_WRITE_32BIT_REGZ(i->dst(), BX_READ_32BIT_REG(i->src()));
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BX_CLEAR_64BIT_HIGH(i->dst()); // always clear upper part of the register
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::CMOVB_GdEdR(bxInstruction_c *i)
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{
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if (get_CF())
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BX_WRITE_32BIT_REGZ(i->dst(), BX_READ_32BIT_REG(i->src()));
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BX_CLEAR_64BIT_HIGH(i->dst()); // always clear upper part of the register
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::CMOVNB_GdEdR(bxInstruction_c *i)
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{
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if (!get_CF())
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BX_WRITE_32BIT_REGZ(i->dst(), BX_READ_32BIT_REG(i->src()));
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BX_CLEAR_64BIT_HIGH(i->dst()); // always clear upper part of the register
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::CMOVZ_GdEdR(bxInstruction_c *i)
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{
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if (get_ZF())
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BX_WRITE_32BIT_REGZ(i->dst(), BX_READ_32BIT_REG(i->src()));
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BX_CLEAR_64BIT_HIGH(i->dst()); // always clear upper part of the register
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::CMOVNZ_GdEdR(bxInstruction_c *i)
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{
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if (!get_ZF())
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BX_WRITE_32BIT_REGZ(i->dst(), BX_READ_32BIT_REG(i->src()));
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BX_CLEAR_64BIT_HIGH(i->dst()); // always clear upper part of the register
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::CMOVBE_GdEdR(bxInstruction_c *i)
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{
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if (get_CF() || get_ZF())
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BX_WRITE_32BIT_REGZ(i->dst(), BX_READ_32BIT_REG(i->src()));
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BX_CLEAR_64BIT_HIGH(i->dst()); // always clear upper part of the register
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::CMOVNBE_GdEdR(bxInstruction_c *i)
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{
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if (! (get_CF() || get_ZF()))
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BX_WRITE_32BIT_REGZ(i->dst(), BX_READ_32BIT_REG(i->src()));
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BX_CLEAR_64BIT_HIGH(i->dst()); // always clear upper part of the register
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::CMOVS_GdEdR(bxInstruction_c *i)
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{
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if (get_SF())
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BX_WRITE_32BIT_REGZ(i->dst(), BX_READ_32BIT_REG(i->src()));
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BX_CLEAR_64BIT_HIGH(i->dst()); // always clear upper part of the register
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::CMOVNS_GdEdR(bxInstruction_c *i)
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{
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if (!get_SF())
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BX_WRITE_32BIT_REGZ(i->dst(), BX_READ_32BIT_REG(i->src()));
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BX_CLEAR_64BIT_HIGH(i->dst()); // always clear upper part of the register
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::CMOVP_GdEdR(bxInstruction_c *i)
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{
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if (get_PF())
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BX_WRITE_32BIT_REGZ(i->dst(), BX_READ_32BIT_REG(i->src()));
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BX_CLEAR_64BIT_HIGH(i->dst()); // always clear upper part of the register
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::CMOVNP_GdEdR(bxInstruction_c *i)
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{
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if (!get_PF())
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BX_WRITE_32BIT_REGZ(i->dst(), BX_READ_32BIT_REG(i->src()));
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BX_CLEAR_64BIT_HIGH(i->dst()); // always clear upper part of the register
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::CMOVL_GdEdR(bxInstruction_c *i)
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{
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if (getB_SF() != getB_OF())
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BX_WRITE_32BIT_REGZ(i->dst(), BX_READ_32BIT_REG(i->src()));
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BX_CLEAR_64BIT_HIGH(i->dst()); // always clear upper part of the register
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::CMOVNL_GdEdR(bxInstruction_c *i)
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{
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if (getB_SF() == getB_OF())
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BX_WRITE_32BIT_REGZ(i->dst(), BX_READ_32BIT_REG(i->src()));
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BX_CLEAR_64BIT_HIGH(i->dst()); // always clear upper part of the register
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::CMOVLE_GdEdR(bxInstruction_c *i)
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{
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if (get_ZF() || (getB_SF() != getB_OF()))
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BX_WRITE_32BIT_REGZ(i->dst(), BX_READ_32BIT_REG(i->src()));
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BX_CLEAR_64BIT_HIGH(i->dst()); // always clear upper part of the register
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BX_NEXT_INSTR(i);
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}
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BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::CMOVNLE_GdEdR(bxInstruction_c *i)
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{
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if (! get_ZF() && (getB_SF() == getB_OF()))
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BX_WRITE_32BIT_REGZ(i->dst(), BX_READ_32BIT_REG(i->src()));
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BX_CLEAR_64BIT_HIGH(i->dst()); // always clear upper part of the register
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BX_NEXT_INSTR(i);
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}
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