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author | Uwe Hermann <uwe@hermann-uwe.de> | 2007-09-13 08:38:24 +0000 |
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committer | Uwe Hermann <uwe@hermann-uwe.de> | 2007-09-13 08:38:24 +0000 |
commit | a9838cf7961746801a6d50cf524a62575fe3c092 (patch) | |
tree | 836a0c030c00f8196a872a8cae6bf6719026e1c7 /src/arch/i386/lib/failover.c | |
parent | 41b88342b9df6934493c01a825071c32b3bd30f0 (diff) | |
download | coreboot-a9838cf7961746801a6d50cf524a62575fe3c092.tar.xz |
Add a common/global failover.c file which can be used by all
(or at least most) mainboards. This should put and end to
copy-paste'ing the same file again and again for every mainboard.
Fix the build for the MSI MS-6178 target (wrong location of the common
failover.c file).
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Corey Osgood <corey.osgood@gmail.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2772 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/arch/i386/lib/failover.c')
-rw-r--r-- | src/arch/i386/lib/failover.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/arch/i386/lib/failover.c b/src/arch/i386/lib/failover.c new file mode 100644 index 0000000000..328f3547e2 --- /dev/null +++ b/src/arch/i386/lib/failover.c @@ -0,0 +1,49 @@ +/* + * This file is part of the LinuxBIOS project. + * + * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de> + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define ASSEMBLY 1 + +#include <arch/io.h> +#include "arch/romcc_io.h" +#include "pc80/mc146818rtc_early.c" + +/** + * Check whether the normal or the fallback image should be booted + * (by reading the proper flag from CMOS), and boot it. + * + * @param bist The input BIST value. + * @return The BIST value. + */ +static unsigned long main(unsigned long bist) +{ + if (do_normal_boot()) + goto normal_image; + else + goto fallback_image; + +normal_image: + __asm__ __volatile__("jmp __normal_image" : : "a" (bist) : ); + +cpu_reset: + __asm__ __volatile__("jmp __cpu_reset" : : "a" (bist) : ); + +fallback_image: + return bist; +} |