Add suport for walking LARs. These try to emulate the f* functions from POSIX, though they are obviously different in their behavior. Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Acked-by: Myles Watson <mylesgw@gmail.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3288 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
		
			
				
	
	
		
			95 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			95 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * This file is part of the coreboot project.
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|  *
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|  * Copyright (C) 2006 coresystems GmbH
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|  * (Written by Stefan Reinauer <stepan@coresystems.de> for coresystems GmbH)
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|  *
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|  * This file is dual-licensed. You can choose between:
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|  *   - The GNU GPL, version 2, as published by the Free Software Foundation
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|  *   - The revised BSD license (without advertising clause)
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|  *
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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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|  * Redistribution and use in source and binary forms, with or without
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|  * modification, are permitted provided that the following conditions
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|  * are met:
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|  * 1. Redistributions of source code must retain the above copyright
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|  *    notice, this list of conditions and the following disclaimer.
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|  * 2. Redistributions in binary form must reproduce the above copyright
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|  *    notice, this list of conditions and the following disclaimer in the
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|  *    documentation and/or other materials provided with the distribution.
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|  * 3. The name of the author may not be used to endorse or promote products
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|  *    derived from this software without specific prior written permission.
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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|  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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|  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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|  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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|  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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|  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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|  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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|  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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|  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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|  * SUCH DAMAGE.
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|  * ---------------------------------------------------------------------------
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|  */
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| 
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| #ifndef LAR_H
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| #define LAR_H
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| 
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| #include <arch/types.h>
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| 
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| #define LAR_MAGIC "LARCHIVE"
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| #define LAR_MAX_PATHLEN 1024
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| 
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| struct lar_header {
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| 	char magic[8];
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| 	u32 len;
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| 	u32 reallen;
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| 	u32 checksum;
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| 	u32 compchecksum;
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| 	u32 offset;
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| 	/* Compression:
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| 	 * 0 = no compression
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| 	 * 1 = lzma
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| 	 * 2 = nrv2b
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| 	 * 3 = zeroes
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| 	 */
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| 	u32 compression;
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| 	u64 entry;
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| 	u64 loadaddress;
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| };
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| 
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| enum compalgo {
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| 	ALGO_NONE = 0,
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| 	ALGO_LZMA = 1,
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| 	ALGO_NRV2B = 2,
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| 	ALGO_ZEROES = 3,
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| 	/* invalid should always be the last entry. */
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| 	ALGO_INVALID
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| };
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| 
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| struct mem_file {
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| 	void *start;
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| 	int len;
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| 	u32 reallen;
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| 	u32 compression;
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| 	void *entry;
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| 	void *loadaddress;
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| };
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| 
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| #endif /* LAR_H */
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