From bb55beef914e7488350ad1d0419d4bc60ad63c99 Mon Sep 17 00:00:00 2001 From: Alex AUVOLAT Date: Fri, 28 Mar 2014 09:10:23 +0100 Subject: Import code for article1, 2, 3, 4 --- sos-code-article1/sos/assert.h | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 sos-code-article1/sos/assert.h (limited to 'sos-code-article1/sos/assert.h') diff --git a/sos-code-article1/sos/assert.h b/sos-code-article1/sos/assert.h new file mode 100644 index 0000000..a14ca0b --- /dev/null +++ b/sos-code-article1/sos/assert.h @@ -0,0 +1,42 @@ +/* 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. +*/ +#ifndef _SOS_ASSERT_H_ +#define _SOS_ASSERT_H_ + +#include +#include + +/** + * If the expr is FALSE, print a message and halt the machine + */ +#define SOS_ASSERT_FATAL(expr) \ + ({ \ + int __res=(int)(expr); \ + if (! __res) { \ + asm("cli\n"); /* disable interrupts -- x86 only */ \ + sos_bochs_printf("%s@%s:%d Assertion " # expr " failed\n", \ + __PRETTY_FUNCTION__, __FILE__, __LINE__); \ + sos_x86_videomem_printf(24, 0, 12, \ + "%s@%s:%d Assertion " # expr " failed", \ + __PRETTY_FUNCTION__, __FILE__, __LINE__); \ + for (;;) asm("hlt;") ; /* Infinite loop, ie simple system halt */ \ + } \ + }) + + +#endif /* _SOS_ASSERT_H_ */ -- cgit v1.2.3