112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
/*
|
|
* Copyright (C) 2009 coresystems GmbH
|
|
* written by Patrick Georgi <patrick.georgi@coresystems.de>
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#ifndef __CBFS_H
|
|
#define __CBFS_H
|
|
|
|
#include <stdint.h>
|
|
|
|
#define CBFS_HEADER_MAGIC 0x4F524243
|
|
#define CBFS_HEADPTR_ADDR_X86 0xFFFFFFFC
|
|
#define CBFS_HEADER_VERSION1 0x31313131
|
|
#define CBFS_HEADER_VERSION2 0x31313132
|
|
#define CBFS_HEADER_VERSION CBFS_HEADER_VERSION2
|
|
|
|
struct cbfs_header {
|
|
uint32_t magic;
|
|
uint32_t version;
|
|
uint32_t romsize;
|
|
uint32_t bootblocksize;
|
|
uint32_t align;
|
|
uint32_t offset;
|
|
uint32_t architecture; /* Version 2 */
|
|
uint32_t pad[1];
|
|
} __attribute__ ((packed));
|
|
|
|
#define CBFS_ARCHITECTURE_UNKNOWN 0xFFFFFFFF
|
|
#define CBFS_ARCHITECTURE_X86 0x00000001
|
|
#define CBFS_ARCHITECTURE_ARMV7 0x00000010
|
|
|
|
struct cbfs_file {
|
|
uint8_t magic[8];
|
|
uint32_t len;
|
|
uint32_t type;
|
|
uint32_t checksum;
|
|
uint32_t offset;
|
|
} __attribute__ ((packed));
|
|
|
|
struct cbfs_stage {
|
|
uint32_t compression;
|
|
uint64_t entry;
|
|
uint64_t load;
|
|
uint32_t len;
|
|
uint32_t memlen;
|
|
} __attribute__ ((packed));
|
|
|
|
#define PAYLOAD_SEGMENT_CODE 0x45444F43
|
|
#define PAYLOAD_SEGMENT_DATA 0x41544144
|
|
#define PAYLOAD_SEGMENT_BSS 0x20535342
|
|
#define PAYLOAD_SEGMENT_PARAMS 0x41524150
|
|
#define PAYLOAD_SEGMENT_ENTRY 0x52544E45
|
|
|
|
struct cbfs_payload_segment {
|
|
uint32_t type;
|
|
uint32_t compression;
|
|
uint32_t offset;
|
|
uint64_t load_addr;
|
|
uint32_t len;
|
|
uint32_t mem_len;
|
|
} __attribute__ ((packed));
|
|
|
|
struct cbfs_payload {
|
|
struct cbfs_payload_segment segments;
|
|
} __attribute__ ((packed));
|
|
|
|
/** These are standard component types for well known
|
|
components (i.e - those that coreboot needs to consume.
|
|
Users are welcome to use any other value for their
|
|
components */
|
|
|
|
#define CBFS_COMPONENT_STAGE 0x10
|
|
#define CBFS_COMPONENT_PAYLOAD 0x20
|
|
#define CBFS_COMPONENT_OPTIONROM 0x30
|
|
#define CBFS_COMPONENT_BOOTSPLASH 0x40
|
|
#define CBFS_COMPONENT_RAW 0x50
|
|
#define CBFS_COMPONENT_VSA 0x51
|
|
#define CBFS_COMPONENT_MBI 0x52
|
|
#define CBFS_COMPONENT_MICROCODE 0x53
|
|
#define CBFS_COMPONENT_CMOS_DEFAULT 0xaa
|
|
#define CBFS_COMPONENT_CMOS_LAYOUT 0x01aa
|
|
|
|
/* The deleted type is chosen to be a value
|
|
* that can be written in a FLASH from all other
|
|
* values.
|
|
*/
|
|
#define CBFS_COMPONENT_DELETED 0
|
|
|
|
/* for all known FLASH, this value can be changed
|
|
* to all other values. This allows NULL files to be
|
|
* changed without a block erase
|
|
*/
|
|
#define CBFS_COMPONENT_NULL 0xFFFFFFFF
|
|
|
|
int cbfs_file_header(unsigned long physaddr);
|
|
struct cbfs_file *cbfs_create_empty_file(uint32_t physaddr, uint32_t size);
|
|
|
|
#endif
|