407 lines
11 KiB
C++
407 lines
11 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id: bit.cc,v 1.67 2010-02-26 11:44:50 sshwarts Exp $
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2001-2009 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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#if BX_CPU_LEVEL >= 3
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETO_EbM(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 result_8 = getB_OF();
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write_virtual_byte(i->seg(), eaddr, result_8);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETO_EbR(bxInstruction_c *i)
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{
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BX_WRITE_8BIT_REGx(i->rm(), i->extend8bitL(), getB_OF());
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNO_EbM(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 result_8 = !getB_OF();
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write_virtual_byte(i->seg(), eaddr, result_8);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNO_EbR(bxInstruction_c *i)
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{
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BX_WRITE_8BIT_REGx(i->rm(), i->extend8bitL(), !getB_OF());
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETB_EbM(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 result_8 = getB_CF();
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write_virtual_byte(i->seg(), eaddr, result_8);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETB_EbR(bxInstruction_c *i)
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{
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BX_WRITE_8BIT_REGx(i->rm(), i->extend8bitL(), getB_CF());
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNB_EbM(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 result_8 = !getB_CF();
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write_virtual_byte(i->seg(), eaddr, result_8);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNB_EbR(bxInstruction_c *i)
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{
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BX_WRITE_8BIT_REGx(i->rm(), i->extend8bitL(), !getB_CF());
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETZ_EbM(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 result_8 = getB_ZF();
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write_virtual_byte(i->seg(), eaddr, result_8);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETZ_EbR(bxInstruction_c *i)
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{
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BX_WRITE_8BIT_REGx(i->rm(), i->extend8bitL(), getB_ZF());
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNZ_EbM(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 result_8 = !getB_ZF();
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write_virtual_byte(i->seg(), eaddr, result_8);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNZ_EbR(bxInstruction_c *i)
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{
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BX_WRITE_8BIT_REGx(i->rm(), i->extend8bitL(), !getB_ZF());
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETBE_EbM(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 result_8 = (getB_CF() | getB_ZF());
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write_virtual_byte(i->seg(), eaddr, result_8);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETBE_EbR(bxInstruction_c *i)
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{
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BX_WRITE_8BIT_REGx(i->rm(), i->extend8bitL(), (getB_CF() | getB_ZF()));
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNBE_EbM(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 result_8 = !(getB_CF() | getB_ZF());
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write_virtual_byte(i->seg(), eaddr, result_8);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNBE_EbR(bxInstruction_c *i)
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{
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BX_WRITE_8BIT_REGx(i->rm(), i->extend8bitL(), !(getB_CF() | getB_ZF()));
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETS_EbM(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 result_8 = getB_SF();
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write_virtual_byte(i->seg(), eaddr, result_8);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETS_EbR(bxInstruction_c *i)
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{
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BX_WRITE_8BIT_REGx(i->rm(), i->extend8bitL(), getB_SF());
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNS_EbM(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 result_8 = !getB_SF();
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write_virtual_byte(i->seg(), eaddr, result_8);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNS_EbR(bxInstruction_c *i)
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{
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BX_WRITE_8BIT_REGx(i->rm(), i->extend8bitL(), !getB_SF());
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETP_EbM(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 result_8 = getB_PF();
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write_virtual_byte(i->seg(), eaddr, result_8);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETP_EbR(bxInstruction_c *i)
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{
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BX_WRITE_8BIT_REGx(i->rm(), i->extend8bitL(), getB_PF());
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNP_EbM(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 result_8 = !getB_PF();
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write_virtual_byte(i->seg(), eaddr, result_8);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNP_EbR(bxInstruction_c *i)
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{
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BX_WRITE_8BIT_REGx(i->rm(), i->extend8bitL(), !getB_PF());
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETL_EbM(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 result_8 = (getB_SF() ^ getB_OF());
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write_virtual_byte(i->seg(), eaddr, result_8);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETL_EbR(bxInstruction_c *i)
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{
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BX_WRITE_8BIT_REGx(i->rm(), i->extend8bitL(), (getB_SF() ^ getB_OF()));
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNL_EbM(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 result_8 = !(getB_SF() ^ getB_OF());
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write_virtual_byte(i->seg(), eaddr, result_8);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNL_EbR(bxInstruction_c *i)
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{
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BX_WRITE_8BIT_REGx(i->rm(), i->extend8bitL(), !(getB_SF() ^ getB_OF()));
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETLE_EbM(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 result_8 = getB_ZF() | (getB_SF() ^ getB_OF());
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write_virtual_byte(i->seg(), eaddr, result_8);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETLE_EbR(bxInstruction_c *i)
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{
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Bit8u result_8 = getB_ZF() | (getB_SF() ^ getB_OF());
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BX_WRITE_8BIT_REGx(i->rm(), i->extend8bitL(), result_8);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNLE_EbM(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 result_8 = !(getB_ZF() | (getB_SF() ^ getB_OF()));
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write_virtual_byte(i->seg(), eaddr, result_8);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNLE_EbR(bxInstruction_c *i)
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{
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Bit8u result_8 = !(getB_ZF() | (getB_SF() ^ getB_OF()));
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BX_WRITE_8BIT_REGx(i->rm(), i->extend8bitL(), result_8);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::BSWAP_ERX(bxInstruction_c *i)
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{
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Bit32u val32, b0, b1, b2, b3;
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if (i->os32L() == 0) {
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BX_ERROR(("BSWAP with 16-bit opsize: undefined behavior !"));
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}
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val32 = BX_READ_32BIT_REG(i->opcodeReg());
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b0 = val32 & 0xff; val32 >>= 8;
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b1 = val32 & 0xff; val32 >>= 8;
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b2 = val32 & 0xff; val32 >>= 8;
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b3 = val32;
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val32 = (b0<<24) | (b1<<16) | (b2<<8) | b3;
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BX_WRITE_32BIT_REGZ(i->opcodeReg(), val32);
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}
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#if BX_SUPPORT_X86_64
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::BSWAP_RRX(bxInstruction_c *i)
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{
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Bit64u val64, b0, b1, b2, b3, b4, b5, b6, b7;
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val64 = BX_READ_64BIT_REG(i->opcodeReg());
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b0 = val64 & 0xff; val64 >>= 8;
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b1 = val64 & 0xff; val64 >>= 8;
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b2 = val64 & 0xff; val64 >>= 8;
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b3 = val64 & 0xff; val64 >>= 8;
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b4 = val64 & 0xff; val64 >>= 8;
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b5 = val64 & 0xff; val64 >>= 8;
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b6 = val64 & 0xff; val64 >>= 8;
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b7 = val64;
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val64 = (b0<<56) | (b1<<48) | (b2<<40) | (b3<<32) | (b4<<24) | (b5<<16) | (b6<<8) | b7;
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BX_WRITE_64BIT_REG(i->opcodeReg(), val64);
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}
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#endif
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVBE_GwEw(bxInstruction_c *i)
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{
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Bit16u val16, b0, b1;
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if (i->modC0()) {
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val16 = BX_READ_16BIT_REG(i->rm());
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}
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else {
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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val16 = read_virtual_word(i->seg(), eaddr);
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}
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b0 = val16 & 0xff; val16 >>= 8;
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b1 = val16;
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val16 = (b0<<8) | b1;
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BX_WRITE_16BIT_REG(i->nnn(), val16);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVBE_EwGw(bxInstruction_c *i)
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{
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Bit16u val16 = BX_READ_16BIT_REG(i->nnn()), b0, b1;
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b0 = val16 & 0xff; val16 >>= 8;
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b1 = val16;
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val16 = (b0<<8) | b1;
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if (i->modC0()) {
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BX_WRITE_16BIT_REG(i->rm(), val16);
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}
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else {
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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write_virtual_word(i->seg(), eaddr, val16);
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}
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVBE_GdEd(bxInstruction_c *i)
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{
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Bit32u val32, b0, b1, b2, b3;
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if (i->modC0()) {
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val32 = BX_READ_32BIT_REG(i->rm());
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}
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else {
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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val32 = read_virtual_dword(i->seg(), eaddr);
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}
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b0 = val32 & 0xff; val32 >>= 8;
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b1 = val32 & 0xff; val32 >>= 8;
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b2 = val32 & 0xff; val32 >>= 8;
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b3 = val32;
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val32 = (b0<<24) | (b1<<16) | (b2<<8) | b3;
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BX_WRITE_32BIT_REGZ(i->nnn(), val32);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVBE_EdGd(bxInstruction_c *i)
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{
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Bit32u val32 = BX_READ_32BIT_REG(i->nnn()), b0, b1, b2, b3;
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b0 = val32 & 0xff; val32 >>= 8;
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b1 = val32 & 0xff; val32 >>= 8;
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b2 = val32 & 0xff; val32 >>= 8;
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b3 = val32;
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val32 = (b0<<24) | (b1<<16) | (b2<<8) | b3;
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if (i->modC0()) {
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BX_WRITE_32BIT_REGZ(i->rm(), val32);
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}
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else {
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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write_virtual_dword(i->seg(), eaddr, val32);
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}
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}
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#if BX_SUPPORT_X86_64
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVBE_GqEq(bxInstruction_c *i)
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{
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Bit64u val64, b0, b1, b2, b3, b4, b5, b6, b7;
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if (i->modC0()) {
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val64 = BX_READ_64BIT_REG(i->rm());
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}
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else {
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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val64 = read_virtual_qword(i->seg(), eaddr);
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}
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b0 = val64 & 0xff; val64 >>= 8;
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b1 = val64 & 0xff; val64 >>= 8;
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b2 = val64 & 0xff; val64 >>= 8;
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b3 = val64 & 0xff; val64 >>= 8;
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b4 = val64 & 0xff; val64 >>= 8;
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b5 = val64 & 0xff; val64 >>= 8;
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b6 = val64 & 0xff; val64 >>= 8;
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b7 = val64;
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val64 = (b0<<56) | (b1<<48) | (b2<<40) | (b3<<32) | (b4<<24) | (b5<<16) | (b6<<8) | b7;
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BX_WRITE_64BIT_REG(i->nnn(), val64);
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}
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void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVBE_EqGq(bxInstruction_c *i)
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{
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Bit64u val64 = BX_READ_64BIT_REG(i->nnn());
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Bit64u b0, b1, b2, b3, b4, b5, b6, b7;
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b0 = val64 & 0xff; val64 >>= 8;
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b1 = val64 & 0xff; val64 >>= 8;
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b2 = val64 & 0xff; val64 >>= 8;
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b3 = val64 & 0xff; val64 >>= 8;
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b4 = val64 & 0xff; val64 >>= 8;
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b5 = val64 & 0xff; val64 >>= 8;
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b6 = val64 & 0xff; val64 >>= 8;
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b7 = val64;
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val64 = (b0<<56) | (b1<<48) | (b2<<40) | (b3<<32) | (b4<<24) | (b5<<16) | (b6<<8) | b7;
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if (i->modC0()) {
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BX_WRITE_64BIT_REG(i->rm(), val64);
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}
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else {
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bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
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write_virtual_qword_64(i->seg(), eaddr, val64);
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}
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}
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#endif // BX_SUPPORT_X86_64
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#endif // BX_CPU_LEVEL >= 3
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