47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
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/* Copyright (C) 2005 David Decotigny
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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USA.
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*/
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#include <debug.h>
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/**
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* @file myprog4.c
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* Test unresolved page fault (write to unmapped page in user space)
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*/
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int main(void)
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{
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char *c;
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int i;
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bochs_printf("Prog4: Hello world A !\n");
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for (i = 0 ; i < 100000 ; i++)
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continue;
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bochs_printf("Prog4: Hello world B !\n");
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/* Force a page fault */
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c = (char*) 0x60000000;
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/* Try to read somewhere in user space where nothing is mapped */
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i = *c;
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bochs_printf("Prog4: Hello world C !\n");
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for ( ; i> 0 ; i--)
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continue;
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bochs_printf("Prog4: Hello world D !\n");
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return 0;
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}
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