diff options
Diffstat (limited to 'sos-code-article6.75/sos/assert.c')
-rw-r--r-- | sos-code-article6.75/sos/assert.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/sos-code-article6.75/sos/assert.c b/sos-code-article6.75/sos/assert.c new file mode 100644 index 0000000..2bc0d41 --- /dev/null +++ b/sos-code-article6.75/sos/assert.c @@ -0,0 +1,44 @@ +/* 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 "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); + + /* Infinite loop: processor halted */ + for ( ; ; ) + asm("hlt\n"); +} |