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001 /* Copyright (C) 2004 The KOS Team 002 003 This program is free software; you can redistribute it and/or 004 modify it under the terms of the GNU General Public License 005 as published by the Free Software Foundation; either version 2 006 of the License, or (at your option) any later version. 007 008 This program is distributed in the hope that it will be useful, 009 but WITHOUT ANY WARRANTY; without even the implied warranty of 010 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 011 GNU General Public License for more details. 012 013 You should have received a copy of the GNU General Public License 014 along with this program; if not, write to the Free Software 015 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 016 USA. 017 */ 018 #ifndef _SOS_ASSERT_H_ 019 #define _SOS_ASSERT_H_ 020 021 #include <drivers/bochs.h> 022 #include <drivers/x86_videomem.h> 023 024 /** 025 * If the expr is FALSE, print a message and halt the machine 026 */ 027 #define SOS_ASSERT_FATAL(expr) \ 028 ({ \ 029 int __res=(int)(expr); \ 030 if (! __res) { \ 031 asm("cli\n"); /* disable interrupts -- x86 only */ \ 032 sos_bochs_printf("%s@%s:%d Assertion " # expr " failed\n", \ 033 __PRETTY_FUNCTION__, __FILE__, __LINE__); \ 034 sos_x86_videomem_printf(24, 0, 12, \ 035 "%s@%s:%d Assertion " # expr " failed", \ 036 __PRETTY_FUNCTION__, __FILE__, __LINE__); \ 037 for (;;) asm("hlt;") ; /* Infinite loop, ie simple system halt */ \ 038 } \ 039 }) 040 041 042 #endif /* _SOS_ASSERT_H_ */
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