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47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/*
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* Copyright (C) 2014 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 (at your option) 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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/**
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* @file
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*
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* EFI device paths
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*
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*/
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#include "wimboot.h"
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#include "efi.h"
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#include "efipath.h"
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/**
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* Find end of device path
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*
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* @v path Path to device
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* @ret path_end End of device path
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*/
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EFI_DEVICE_PATH_PROTOCOL * efi_devpath_end ( EFI_DEVICE_PATH_PROTOCOL *path ) {
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while ( path->Type != END_DEVICE_PATH_TYPE ) {
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path = ( ( ( void * ) path ) +
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/* There's this amazing new-fangled thing known as
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* a UINT16, but who wants to use one of those? */
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( ( path->Length[1] << 8 ) | path->Length[0] ) );
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}
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return path;
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}
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