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https://github.com/fail0verflow/switch-coreboot.git
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441145f9fe
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://coreboot.org/repository/LinuxBIOSv3@514 f3766cd6-281f-0410-b1cd-43a5c92072e9
35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
/*
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* This file is part of the LinuxBIOS project.
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*
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* Copyright (C) 2007 Stefan Reinauer <stepan@coresystems.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <types.h>
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#include <io.h>
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/**
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* Output a POST code (Power-on-self-test code) on port 0x80.
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*
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* We're hardcoding 0x80 as port where we output the POST code, as pretty
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* much all of today's computers use that one. However, in the past (pre-486
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* era or so) other ports were sometimes used, too.
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*
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* @param value The 8 bit value to output as POST code.
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*/
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void post_code(u8 value)
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{
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outb(value, 0x80);
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}
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