sos-code-article7/sos/assert.c

48 lines
1.4 KiB
C

/* Copyright (C) 2004 The KOS Team
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
USA.
*/
#include <sos/klibc.h>
#include <drivers/bochs.h>
#include <drivers/x86_videomem.h>
#include <sos/thread.h> // backtrace
#include "assert.h"
void sos_display_fatal_error(const char *format, /* args */...)
{
char buff[256];
va_list ap;
asm("cli\n"); /* disable interrupts -- x86 only */ \
va_start(ap, format);
vsnprintf(buff, sizeof(buff), format, ap);
va_end(ap);
sos_bochs_putstring(buff); sos_bochs_putstring("\n");
sos_x86_videomem_putstring(23, 0,
SOS_X86_VIDEO_BG_BLACK
| SOS_X86_VIDEO_FG_LTRED , buff);
sos_thread_dump_backtrace(TRUE, TRUE);
/* Infinite loop: processor halted */
for ( ; ; )
asm("hlt\n");
}