69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id: protect_ctrl_pro.cc,v 1.6 2001-10-03 13:10:37 bdenney 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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#define NEED_CPU_REG_SHORTCUTS 1
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#include "bochs.h"
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#define LOG_THIS BX_CPU_THIS_PTR
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void
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BX_CPU_C::enter_protected_mode(void)
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{
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// BX_INFO(("processor switching into PROTECTED mode!!!"));
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// debug(BX_CPU_THIS_PTR prev_eip);
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if (v8086_mode()) BX_PANIC(("protect_ctrl: v8086 mode unsupported"));
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if (bx_dbg.reset)
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BX_INFO(("processor switching into PROTECTED mode!!!"));
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if ( BX_CPU_THIS_PTR sregs[BX_SEG_REG_CS].selector.rpl!=0 || BX_CPU_THIS_PTR sregs[BX_SEG_REG_SS].selector.rpl!=0 )
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BX_PANIC(("enter_protected_mode: CS or SS rpl != 0"));
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}
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void
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BX_CPU_C::enter_real_mode(void)
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{
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// ???
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// BX_INFO(("processor switching into REAL mode!!!"));
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// debug(BX_CPU_THIS_PTR prev_eip);
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if (v8086_mode()) BX_PANIC(("protect_ctrl: v8086 mode unsupported"));
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if (bx_dbg.reset)
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BX_INFO(("processor switching into REAL mode!!!"));
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if ( BX_CPU_THIS_PTR sregs[BX_SEG_REG_CS].selector.rpl!=0 || BX_CPU_THIS_PTR sregs[BX_SEG_REG_SS].selector.rpl!=0 )
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BX_PANIC(("enter_real_mode: CS or SS rpl != 0"));
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}
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