14e2277962
while others dislike them being extra commits, let's clean them up once and for all for the existing code. If it's ugly, let it only be ugly once :-) Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5507 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
/*
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* Copyright (C) 2009 coresystems GmbH
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* written by Patrick Georgi <patrick.georgi@coresystems.de>
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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 <stdint.h>
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struct cbfs_header {
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uint32_t magic;
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uint32_t version;
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uint32_t romsize;
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uint32_t bootblocksize;
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uint32_t align;
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uint32_t offset;
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uint32_t pad[2];
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} __attribute__ ((packed));
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struct cbfs_file {
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char magic[8];
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uint32_t len;
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uint32_t type;
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uint32_t checksum;
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uint32_t offset;
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} __attribute__ ((packed));
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struct cbfs_stage {
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unsigned int compression;
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unsigned long long entry;
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unsigned long long load;
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unsigned int len;
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unsigned int memlen;
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} __attribute__ ((packed));
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#define PAYLOAD_SEGMENT_CODE 0x45444F43
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#define PAYLOAD_SEGMENT_DATA 0x41544144
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#define PAYLOAD_SEGMENT_BSS 0x20535342
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#define PAYLOAD_SEGMENT_PARAMS 0x41524150
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#define PAYLOAD_SEGMENT_ENTRY 0x52544E45
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struct cbfs_payload_segment {
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unsigned int type;
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unsigned int compression;
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unsigned int offset;
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unsigned long long load_addr;
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unsigned int len;
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unsigned int mem_len;
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} __attribute__ ((packed));
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struct cbfs_payload {
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struct cbfs_payload_segment segments;
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} __attribute__ ((packed));
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/** These are standard component types for well known
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components (i.e - those that coreboot needs to consume.
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Users are welcome to use any other value for their
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components */
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#define CBFS_COMPONENT_STAGE 0x10
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#define CBFS_COMPONENT_PAYLOAD 0x20
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#define CBFS_COMPONENT_OPTIONROM 0x30
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#define CBFS_COMPONENT_BOOTSPLASH 0x40
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#define CBFS_COMPONENT_RAW 0x50
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#define CBFS_COMPONENT_VSA 0x51
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#define CBFS_COMPONENT_MBI 0x52
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#define CBFS_COMPONENT_MICROCODE 0x53
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/* The deleted type is chosen to be a value
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* that can be written in a FLASH from all other
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* values.
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*/
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#define CBFS_COMPONENT_DELETED 0
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/* for all known FLASH, this value can be changed
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* to all other values. This allows NULL files to be
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* changed without a block erase
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*/
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#define CBFS_COMPONENT_NULL 0xFFFFFFFF
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int cbfs_file_header(uint32_t physaddr);
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struct cbfs_file *cbfs_create_empty_file(uint32_t physaddr, uint32_t size);
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