5df4168db8
Build-tested using abuild. Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5844 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2008-2009 coresystems GmbH
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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 as published by
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* the Free Software Foundation; version 2 of the License.
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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 <arch/io.h>
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#include <arch/romcc_io.h>
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#include <console/console.h>
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#include <cpu/x86/smm.h>
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#include "southbridge/intel/i82801gx/i82801gx_nvs.h"
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/* The southbridge SMI handler checks whether gnvs has a
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* valid pointer before calling the trap handler
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*/
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extern global_nvs_t *gnvs;
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int mainboard_io_trap_handler(int smif)
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{
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switch (smif) {
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case 0x99:
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printk(BIOS_DEBUG, "Sample\n");
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gnvs->smif = 0;
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break;
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default:
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return 0;
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}
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/* On success, the IO Trap Handler returns 0
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* On failure, the IO Trap Handler returns a value != 0
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*
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* For now, we force the return value to 0 and log all traps to
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* see what's going on.
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*/
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//gnvs->smif = 0;
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return 1;
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}
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