2 * Copyright (C) 2009 coresystems GmbH
3 * written by Patrick Georgi <patrick.georgi@coresystems.de>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
25 uint32_t bootblocksize;
29 } __attribute__ ((packed));
37 } __attribute__ ((packed));
40 unsigned int compression;
41 unsigned long long entry;
42 unsigned long long load;
45 } __attribute__ ((packed));
47 #define PAYLOAD_SEGMENT_CODE 0x45444F43
48 #define PAYLOAD_SEGMENT_DATA 0x41544144
49 #define PAYLOAD_SEGMENT_BSS 0x20535342
50 #define PAYLOAD_SEGMENT_PARAMS 0x41524150
51 #define PAYLOAD_SEGMENT_ENTRY 0x52544E45
53 struct cbfs_payload_segment {
55 unsigned int compression;
57 unsigned long long load_addr;
60 } __attribute__ ((packed));
63 struct cbfs_payload_segment segments;
64 } __attribute__ ((packed));
66 /** These are standard component types for well known
67 components (i.e - those that coreboot needs to consume.
68 Users are welcome to use any other value for their
71 #define CBFS_COMPONENT_STAGE 0x10
72 #define CBFS_COMPONENT_PAYLOAD 0x20
73 #define CBFS_COMPONENT_OPTIONROM 0x30
74 #define CBFS_COMPONENT_BOOTSPLASH 0x40
75 #define CBFS_COMPONENT_RAW 0x50
76 #define CBFS_COMPONENT_VSA 0x51
77 #define CBFS_COMPONENT_MBI 0x52
78 #define CBFS_COMPONENT_MICROCODE 0x53
79 #define CBFS_COMPONENT_CMOS_DEFAULT 0xaa
80 #define CBFS_COMPONENT_CMOS_LAYOUT 0x01aa
82 /* The deleted type is chosen to be a value
83 * that can be written in a FLASH from all other
86 #define CBFS_COMPONENT_DELETED 0
88 /* for all known FLASH, this value can be changed
89 * to all other values. This allows NULL files to be
90 * changed without a block erase
92 #define CBFS_COMPONENT_NULL 0xFFFFFFFF
94 int cbfs_file_header(uint32_t physaddr);
95 struct cbfs_file *cbfs_create_empty_file(uint32_t physaddr, uint32_t size);