66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/*
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* Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*
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* You can also choose to distribute this program under the terms of
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* the Unmodified Binary Distribution Licence (as given in the file
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* COPYING.UBDL), provided that you have satisfied its requirements.
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*/
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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#include <stdint.h>
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#include <string.h>
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#include <errno.h>
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#include <assert.h>
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#include <ipxe/uaccess.h>
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#include <ipxe/smbios.h>
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#include <realmode.h>
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#include <pnpbios.h>
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/** @file
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*
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* System Management BIOS
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*
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*/
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/**
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* Find SMBIOS
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*
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* @v smbios SMBIOS entry point descriptor structure to fill in
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* @ret rc Return status code
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*/
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static int bios_find_smbios ( struct smbios *smbios ) {
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struct smbios_entry entry;
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int rc;
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/* Scan through BIOS segment to find SMBIOS entry point */
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if ( ( rc = find_smbios_entry ( real_to_user ( BIOS_SEG, 0 ), 0x10000,
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&entry ) ) != 0 )
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return rc;
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/* Fill in entry point descriptor structure */
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smbios->address = phys_to_user ( entry.smbios_address );
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smbios->len = entry.smbios_len;
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smbios->count = entry.smbios_count;
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smbios->version = SMBIOS_VERSION ( entry.major, entry.minor );
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return 0;
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}
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PROVIDE_SMBIOS ( pcbios, find_smbios, bios_find_smbios );
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