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/*
* plex86: run multiple x86 operating systems concurrently
* Copyright (C) 1999-2001 Kevin P. Lawton
*
* soft_int.c: software interrupt instructions
*
* 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
*/
#include "plex86.h"
#include "monitor.h"
void
INT3(vm_t *vm)
{
/* INT 3 is not IOPL sensitive */
interrupt(vm, 3, 1, 0, 0);
}
void
INT_Ib(vm_t *vm)
{
Bit8u imm8;
imm8 = vm->i.Ib;
if (V8086Mode(vm) && (G_GetIOPL(vm)<3)) {
exception(vm, ExceptionGP, 0);
}
#if 0
if ( (imm8 == 0x15) && (G_AH(vm)==0x87) ) {
G_AH(vm) = 0x80;
vm->guest.addr.guest_context->eflags |= FLG_CF;
monprint(vm, "INT_Ib: 0x15 AH=0x87: fudging to return error\n");
return;
}
#endif
#if USE_LOADER
if ( (imm8 == 0x21) && (G_AH(vm) == 0x4c) ) {
monprint(vm, "INT 21/4C called AL=0x%02x, BX=0x%04x\n",
(unsigned) G_AL(vm), (unsigned) G_BX(vm));
monpanic(vm, "Terminating.\n");
}
#endif
interrupt(vm, imm8, 1, 0, 0);
}
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