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82 lines
2.3 KiB
82 lines
2.3 KiB
/*
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* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Further, this software is distributed without any warranty that it is
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* free of the rightful claim of any third person regarding infringement
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* or the like. Any license provided herein, whether implied or
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* otherwise, applies only to this software file. Patent licenses, if
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* any, provided herein do not apply to combinations of this program with
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* other software, or any other product whatsoever.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
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* Mountain View, CA 94043, or:
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*
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* http://www.sgi.com
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*
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* For further information regarding this notice, see:
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*
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* http://oss.sgi.com/projects/GenInfo/NoticeExplan/
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*
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*/
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/* $Id: f00f.c,v 1.5 2008/04/24 06:36:14 subrata_modak Exp $ */
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/*
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* This is a simple test for handling of the pentium f00f bug.
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* It is an example of a catistrophic test case. If the system
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* doesn't correctly handle this test, it will likely lockup.
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*/
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "test.h"
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char *TCID = "f00f";
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int TST_TOTAL = 1;
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#ifdef __i386__
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void sigill(int sig)
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{
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tst_resm(TPASS, "SIGILL received from f00f instruction. Good.");
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tst_exit();
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}
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int main(void)
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{
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signal(SIGILL, sigill);
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tst_resm(TINFO, "Testing for proper f00f instruction handling.");
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/*
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* an f00f instruction
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*/
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asm volatile (".byte 0xf0\n"
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".byte 0x0f\n" ".byte 0xc7\n" ".byte 0xc8\n");
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/*
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* we shouldn't get here, the f00f instruction should trigger
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* a SIGILL or lock the system.
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*/
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tst_brkm(TFAIL, NULL,
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"f00f instruction did not properly cause SIGILL");
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}
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#else /* __i386__ */
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int main(void)
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{
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tst_brkm(TCONF, NULL, "f00f bug test only for i386");
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}
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#endif /* __i386__ */
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