| /* |
| * 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 |
| */ |
| |
| #include <stdint.h> |
| |
| struct cbfs_header { |
| uint32_t magic; |
| uint32_t version; |
| uint32_t romsize; |
| uint32_t bootblocksize; |
| uint32_t align; |
| uint32_t offset; |
| uint32_t pad[2]; |
| } __attribute__ ((packed)); |
| |
| struct cbfs_file { |
| char magic[8]; |
| uint32_t len; |
| uint32_t type; |
| uint32_t checksum; |
| uint32_t offset; |
| } __attribute__ ((packed)); |
| |
| struct cbfs_stage { |
| unsigned int compression; |
| unsigned long long entry; |
| unsigned long long load; |
| unsigned int len; |
| unsigned int 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 { |
| unsigned int type; |
| unsigned int compression; |
| unsigned int offset; |
| unsigned long long load_addr; |
| unsigned int len; |
| unsigned int 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 |
| |
| /* 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(uint32_t physaddr); |
| struct cbfs_file *cbfs_create_empty_file(uint32_t physaddr, uint32_t size); |