205 lines
5.0 KiB
C++
205 lines
5.0 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id: segment_ctrl.cc,v 1.17 2007-12-20 20:58:37 sshwarts Exp $
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2001 MandrakeSoft S.A.
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//
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// MandrakeSoft S.A.
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// 43, rue d'Aboukir
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// 75002 Paris - France
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// http://www.linux-mandrake.com/
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// http://www.mandrakesoft.com/
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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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/////////////////////////////////////////////////////////////////////////
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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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void BX_CPU_C::LES_GwMp(bxInstruction_c *i)
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{
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Bit16u reg_16, es;
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reg_16 = read_virtual_word(i->seg(), RMAddr(i));
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es = read_virtual_word(i->seg(), RMAddr(i) + 2);
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load_seg_reg(&BX_CPU_THIS_PTR sregs[BX_SEG_REG_ES], es);
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BX_WRITE_16BIT_REG(i->nnn(), reg_16);
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}
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void BX_CPU_C::LES_GdMp(bxInstruction_c *i)
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{
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Bit16u es;
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Bit32u reg_32;
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reg_32 = read_virtual_dword(i->seg(), RMAddr(i));
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es = read_virtual_word (i->seg(), RMAddr(i) + 4);
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load_seg_reg(&BX_CPU_THIS_PTR sregs[BX_SEG_REG_ES], es);
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BX_WRITE_32BIT_REGZ(i->nnn(), reg_32);
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}
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void BX_CPU_C::LDS_GwMp(bxInstruction_c *i)
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{
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Bit16u reg_16, ds;
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reg_16 = read_virtual_word(i->seg(), RMAddr(i));
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ds = read_virtual_word(i->seg(), RMAddr(i) + 2);
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load_seg_reg(&BX_CPU_THIS_PTR sregs[BX_SEG_REG_DS], ds);
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BX_WRITE_16BIT_REG(i->nnn(), reg_16);
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}
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void BX_CPU_C::LDS_GdMp(bxInstruction_c *i)
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{
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Bit16u ds;
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Bit32u reg_32;
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reg_32 = read_virtual_dword(i->seg(), RMAddr(i));
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ds = read_virtual_word (i->seg(), RMAddr(i) + 4);
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load_seg_reg(&BX_CPU_THIS_PTR sregs[BX_SEG_REG_DS], ds);
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BX_WRITE_32BIT_REGZ(i->nnn(), reg_32);
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}
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void BX_CPU_C::LFS_GwMp(bxInstruction_c *i)
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{
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Bit16u reg_16, fs;
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reg_16 = read_virtual_word(i->seg(), RMAddr(i));
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fs = read_virtual_word(i->seg(), RMAddr(i) + 2);
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load_seg_reg(&BX_CPU_THIS_PTR sregs[BX_SEG_REG_FS], fs);
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BX_WRITE_16BIT_REG(i->nnn(), reg_16);
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}
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void BX_CPU_C::LFS_GdMp(bxInstruction_c *i)
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{
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Bit32u reg_32;
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Bit16u fs;
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reg_32 = read_virtual_dword(i->seg(), RMAddr(i));
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fs = read_virtual_word (i->seg(), RMAddr(i) + 4);
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load_seg_reg(&BX_CPU_THIS_PTR sregs[BX_SEG_REG_FS], fs);
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BX_WRITE_32BIT_REGZ(i->nnn(), reg_32);
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}
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#if BX_SUPPORT_X86_64
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void BX_CPU_C::LFS_GqMp(bxInstruction_c *i)
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{
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Bit64u reg_64;
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Bit16u fs;
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reg_64 = read_virtual_qword(i->seg(), RMAddr(i));
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fs = read_virtual_word (i->seg(), RMAddr(i) + 8);
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load_seg_reg(&BX_CPU_THIS_PTR sregs[BX_SEG_REG_FS], fs);
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BX_WRITE_64BIT_REG(i->nnn(), reg_64);
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}
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#endif
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void BX_CPU_C::LGS_GwMp(bxInstruction_c *i)
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{
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Bit16u reg_16, gs;
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reg_16 = read_virtual_word(i->seg(), RMAddr(i));
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gs = read_virtual_word(i->seg(), RMAddr(i) + 2);
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load_seg_reg(&BX_CPU_THIS_PTR sregs[BX_SEG_REG_GS], gs);
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BX_WRITE_16BIT_REG(i->nnn(), reg_16);
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}
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void BX_CPU_C::LGS_GdMp(bxInstruction_c *i)
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{
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Bit32u reg_32;
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Bit16u gs;
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reg_32 = read_virtual_dword(i->seg(), RMAddr(i));
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gs = read_virtual_word (i->seg(), RMAddr(i) + 4);
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load_seg_reg(&BX_CPU_THIS_PTR sregs[BX_SEG_REG_GS], gs);
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BX_WRITE_32BIT_REGZ(i->nnn(), reg_32);
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}
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#if BX_SUPPORT_X86_64
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void BX_CPU_C::LGS_GqMp(bxInstruction_c *i)
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{
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Bit64u reg_64;
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Bit16u gs;
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reg_64 = read_virtual_qword(i->seg(), RMAddr(i));
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gs = read_virtual_word (i->seg(), RMAddr(i) + 8);
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load_seg_reg(&BX_CPU_THIS_PTR sregs[BX_SEG_REG_GS], gs);
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BX_WRITE_64BIT_REG(i->nnn(), reg_64);
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}
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#endif
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void BX_CPU_C::LSS_GwMp(bxInstruction_c *i)
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{
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Bit16u reg_16, ss;
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reg_16 = read_virtual_word(i->seg(), RMAddr(i));
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ss = read_virtual_word(i->seg(), RMAddr(i) + 2);
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load_seg_reg(&BX_CPU_THIS_PTR sregs[BX_SEG_REG_SS], ss);
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BX_WRITE_16BIT_REG(i->nnn(), reg_16);
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}
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void BX_CPU_C::LSS_GdMp(bxInstruction_c *i)
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{
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Bit32u reg_32;
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Bit16u ss;
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reg_32 = read_virtual_dword(i->seg(), RMAddr(i));
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ss = read_virtual_word (i->seg(), RMAddr(i) + 4);
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load_seg_reg(&BX_CPU_THIS_PTR sregs[BX_SEG_REG_SS], ss);
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BX_WRITE_32BIT_REGZ(i->nnn(), reg_32);
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}
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#if BX_SUPPORT_X86_64
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void BX_CPU_C::LSS_GqMp(bxInstruction_c *i)
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{
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Bit64u reg_64;
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Bit16u ss;
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reg_64 = read_virtual_qword(i->seg(), RMAddr(i));
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ss = read_virtual_word (i->seg(), RMAddr(i) + 8);
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load_seg_reg(&BX_CPU_THIS_PTR sregs[BX_SEG_REG_SS], ss);
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BX_WRITE_64BIT_REG(i->nnn(), reg_64);
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}
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#endif
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