From 681ec27e2c64763bba02ef816d41b6b366559f03 Mon Sep 17 00:00:00 2001 From: Jordan Crouse Date: Wed, 7 May 2008 20:34:02 +0000 Subject: libpayload: Add LAR walking support 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 Acked-by: Myles Watson git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3288 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- payloads/libpayload/include/lar.h | 94 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100644 payloads/libpayload/include/lar.h (limited to 'payloads/libpayload/include/lar.h') diff --git a/payloads/libpayload/include/lar.h b/payloads/libpayload/include/lar.h new file mode 100644 index 0000000000..234637f10c --- /dev/null +++ b/payloads/libpayload/include/lar.h @@ -0,0 +1,94 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2006 coresystems GmbH + * (Written by Stefan Reinauer for coresystems GmbH) + * + * This file is dual-licensed. You can choose between: + * - The GNU GPL, version 2, as published by the Free Software Foundation + * - The revised BSD license (without advertising clause) + * + * --------------------------------------------------------------------------- + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA + * --------------------------------------------------------------------------- + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * --------------------------------------------------------------------------- + */ + +#ifndef LAR_H +#define LAR_H + +#include + +#define LAR_MAGIC "LARCHIVE" +#define LAR_MAX_PATHLEN 1024 + +struct lar_header { + char magic[8]; + u32 len; + u32 reallen; + u32 checksum; + u32 compchecksum; + u32 offset; + /* Compression: + * 0 = no compression + * 1 = lzma + * 2 = nrv2b + * 3 = zeroes + */ + u32 compression; + u64 entry; + u64 loadaddress; +}; + +enum compalgo { + ALGO_NONE = 0, + ALGO_LZMA = 1, + ALGO_NRV2B = 2, + ALGO_ZEROES = 3, + /* invalid should always be the last entry. */ + ALGO_INVALID +}; + +struct mem_file { + void *start; + int len; + u32 reallen; + u32 compression; + void *entry; + void *loadaddress; +}; + +#endif /* LAR_H */ -- cgit v1.2.3