Ronald G. Minnich | 5d01ec0 | 2009-03-31 11:57:36 +0000 | [diff] [blame] | 1 | /* |
Patrick Georgi | b7b56dd8 | 2009-09-14 13:29:27 +0000 | [diff] [blame] | 2 | * Copyright (C) 2009 coresystems GmbH |
| 3 | * written by Patrick Georgi <patrick.georgi@coresystems.de> |
Ronald G. Minnich | 5d01ec0 | 2009-03-31 11:57:36 +0000 | [diff] [blame] | 4 | * |
| 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. |
| 8 | * |
| 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. |
| 13 | * |
| 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 |
Patrick Georgi | b890a12 | 2015-03-26 15:17:45 +0100 | [diff] [blame^] | 16 | * Foundation, Inc. |
Ronald G. Minnich | 5d01ec0 | 2009-03-31 11:57:36 +0000 | [diff] [blame] | 17 | */ |
| 18 | |
Stefan Reinauer | 6321758 | 2012-10-29 16:52:36 -0700 | [diff] [blame] | 19 | #ifndef __CBFS_H |
| 20 | #define __CBFS_H |
| 21 | |
Patrick Georgi | b7b56dd8 | 2009-09-14 13:29:27 +0000 | [diff] [blame] | 22 | #include <stdint.h> |
Ronald G. Minnich | a8a133d | 2013-12-30 13:16:18 -0800 | [diff] [blame] | 23 | |
| 24 | /* create a magic number in host-byte order. |
| 25 | * b3 is the high order byte. |
| 26 | * in the coreboot tools, we go with the 32-bit |
| 27 | * magic number convention. |
| 28 | * This was an inline func but that breaks anything |
| 29 | * that uses it in a case statement. |
| 30 | */ |
| 31 | |
| 32 | #define makemagic(b3, b2, b1, b0)\ |
| 33 | (((b3)<<24) | ((b2) << 16) | ((b1) << 8) | (b0)) |
Ronald G. Minnich | 5d01ec0 | 2009-03-31 11:57:36 +0000 | [diff] [blame] | 34 | |
Sol Boucher | 67a0a86 | 2015-03-18 12:36:27 -0700 | [diff] [blame] | 35 | // Alignment (in bytes) to be used when no master header is present |
| 36 | #define CBFS_ENTRY_ALIGNMENT 64 |
| 37 | |
David Hendricks | 90ca3b6 | 2012-11-16 14:48:22 -0800 | [diff] [blame] | 38 | #define CBFS_HEADER_MAGIC 0x4F524243 |
| 39 | #define CBFS_HEADPTR_ADDR_X86 0xFFFFFFFC |
Hung-Te Lin | 086842a | 2013-01-04 12:33:03 +0800 | [diff] [blame] | 40 | #define CBFS_HEADER_VERSION1 0x31313131 |
| 41 | #define CBFS_HEADER_VERSION2 0x31313132 |
| 42 | #define CBFS_HEADER_VERSION CBFS_HEADER_VERSION2 |
David Hendricks | 90ca3b6 | 2012-11-16 14:48:22 -0800 | [diff] [blame] | 43 | |
Patrick Georgi | b7b56dd8 | 2009-09-14 13:29:27 +0000 | [diff] [blame] | 44 | struct cbfs_header { |
| 45 | uint32_t magic; |
| 46 | uint32_t version; |
| 47 | uint32_t romsize; |
| 48 | uint32_t bootblocksize; |
| 49 | uint32_t align; |
| 50 | uint32_t offset; |
David Hendricks | 90ca3b6 | 2012-11-16 14:48:22 -0800 | [diff] [blame] | 51 | uint32_t architecture; /* Version 2 */ |
| 52 | uint32_t pad[1]; |
Patrick Georgi | b7b56dd8 | 2009-09-14 13:29:27 +0000 | [diff] [blame] | 53 | } __attribute__ ((packed)); |
Ronald G. Minnich | 5d01ec0 | 2009-03-31 11:57:36 +0000 | [diff] [blame] | 54 | |
David Hendricks | 90ca3b6 | 2012-11-16 14:48:22 -0800 | [diff] [blame] | 55 | #define CBFS_ARCHITECTURE_UNKNOWN 0xFFFFFFFF |
| 56 | #define CBFS_ARCHITECTURE_X86 0x00000001 |
Gabe Black | 51edd54 | 2013-09-30 23:00:33 -0700 | [diff] [blame] | 57 | #define CBFS_ARCHITECTURE_ARM 0x00000010 |
Ronald G. Minnich | 5f43184 | 2013-11-12 09:03:33 -0800 | [diff] [blame] | 58 | #define CBFS_ARCHITECTURE_AARCH64 0x0000aa64 |
Paul Burton | 3318692 | 2014-06-13 23:56:45 +0100 | [diff] [blame] | 59 | #define CBFS_ARCHITECTURE_MIPS 0x00000100 |
Ronald G. Minnich | 833bf20 | 2014-10-16 10:55:39 +0000 | [diff] [blame] | 60 | #define CBFS_ARCHITECTURE_RISCV 0xc001d0de |
David Hendricks | 90ca3b6 | 2012-11-16 14:48:22 -0800 | [diff] [blame] | 61 | |
Hung-Te Lin | eab2c81 | 2013-01-29 01:56:17 +0800 | [diff] [blame] | 62 | #define CBFS_FILE_MAGIC "LARCHIVE" |
| 63 | |
Patrick Georgi | b7b56dd8 | 2009-09-14 13:29:27 +0000 | [diff] [blame] | 64 | struct cbfs_file { |
Stefan Reinauer | a1e4824 | 2011-10-21 14:24:57 -0700 | [diff] [blame] | 65 | uint8_t magic[8]; |
Patrick Georgi | b7b56dd8 | 2009-09-14 13:29:27 +0000 | [diff] [blame] | 66 | uint32_t len; |
| 67 | uint32_t type; |
| 68 | uint32_t checksum; |
| 69 | uint32_t offset; |
| 70 | } __attribute__ ((packed)); |
| 71 | |
| 72 | struct cbfs_stage { |
Stefan Reinauer | a1e4824 | 2011-10-21 14:24:57 -0700 | [diff] [blame] | 73 | uint32_t compression; |
| 74 | uint64_t entry; |
| 75 | uint64_t load; |
| 76 | uint32_t len; |
| 77 | uint32_t memlen; |
Patrick Georgi | b7b56dd8 | 2009-09-14 13:29:27 +0000 | [diff] [blame] | 78 | } __attribute__ ((packed)); |
| 79 | |
Ronald G. Minnich | a8a133d | 2013-12-30 13:16:18 -0800 | [diff] [blame] | 80 | #define PAYLOAD_SEGMENT_CODE makemagic('C', 'O', 'D', 'E') |
| 81 | #define PAYLOAD_SEGMENT_DATA makemagic('D', 'A', 'T', 'A') |
Wei Hu | 2ad6ee9 | 2014-04-16 22:52:59 -0700 | [diff] [blame] | 82 | #define PAYLOAD_SEGMENT_BSS makemagic('B', 'S', 'S', ' ') |
Ronald G. Minnich | a8a133d | 2013-12-30 13:16:18 -0800 | [diff] [blame] | 83 | #define PAYLOAD_SEGMENT_PARAMS makemagic('P', 'A', 'R', 'A') |
| 84 | #define PAYLOAD_SEGMENT_ENTRY makemagic('E', 'N', 'T', 'R') |
Patrick Georgi | b7b56dd8 | 2009-09-14 13:29:27 +0000 | [diff] [blame] | 85 | |
| 86 | struct cbfs_payload_segment { |
Stefan Reinauer | a1e4824 | 2011-10-21 14:24:57 -0700 | [diff] [blame] | 87 | uint32_t type; |
| 88 | uint32_t compression; |
| 89 | uint32_t offset; |
| 90 | uint64_t load_addr; |
| 91 | uint32_t len; |
| 92 | uint32_t mem_len; |
Patrick Georgi | b7b56dd8 | 2009-09-14 13:29:27 +0000 | [diff] [blame] | 93 | } __attribute__ ((packed)); |
| 94 | |
| 95 | struct cbfs_payload { |
| 96 | struct cbfs_payload_segment segments; |
| 97 | } __attribute__ ((packed)); |
Ronald G. Minnich | 5d01ec0 | 2009-03-31 11:57:36 +0000 | [diff] [blame] | 98 | |
| 99 | /** These are standard component types for well known |
| 100 | components (i.e - those that coreboot needs to consume. |
| 101 | Users are welcome to use any other value for their |
| 102 | components */ |
| 103 | |
Stefan Reinauer | 800379f | 2010-03-01 08:34:19 +0000 | [diff] [blame] | 104 | #define CBFS_COMPONENT_STAGE 0x10 |
| 105 | #define CBFS_COMPONENT_PAYLOAD 0x20 |
| 106 | #define CBFS_COMPONENT_OPTIONROM 0x30 |
| 107 | #define CBFS_COMPONENT_BOOTSPLASH 0x40 |
| 108 | #define CBFS_COMPONENT_RAW 0x50 |
| 109 | #define CBFS_COMPONENT_VSA 0x51 |
| 110 | #define CBFS_COMPONENT_MBI 0x52 |
| 111 | #define CBFS_COMPONENT_MICROCODE 0x53 |
Martin Roth | dde307c | 2015-03-24 15:54:20 -0600 | [diff] [blame] | 112 | #define CBFS_COMPONENT_FSP 0x60 |
| 113 | #define CBFS_COMPONENT_MRC 0x61 |
Patrick Georgi | a865b17 | 2011-01-14 07:40:24 +0000 | [diff] [blame] | 114 | #define CBFS_COMPONENT_CMOS_DEFAULT 0xaa |
Martin Roth | dde307c | 2015-03-24 15:54:20 -0600 | [diff] [blame] | 115 | #define CBFS_COMPONENT_SPD 0xab |
| 116 | #define CBFS_COMPONENT_MRC_CACHE 0xac |
Patrick Georgi | 2447937 | 2011-01-18 13:56:36 +0000 | [diff] [blame] | 117 | #define CBFS_COMPONENT_CMOS_LAYOUT 0x01aa |
Ronald G. Minnich | 5d01ec0 | 2009-03-31 11:57:36 +0000 | [diff] [blame] | 118 | |
Ronald G. Minnich | 83b8f0c | 2009-05-08 19:23:00 +0000 | [diff] [blame] | 119 | /* The deleted type is chosen to be a value |
| 120 | * that can be written in a FLASH from all other |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 121 | * values. |
Ronald G. Minnich | 83b8f0c | 2009-05-08 19:23:00 +0000 | [diff] [blame] | 122 | */ |
| 123 | #define CBFS_COMPONENT_DELETED 0 |
| 124 | |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 125 | /* for all known FLASH, this value can be changed |
| 126 | * to all other values. This allows NULL files to be |
Ronald G. Minnich | 83b8f0c | 2009-05-08 19:23:00 +0000 | [diff] [blame] | 127 | * changed without a block erase |
| 128 | */ |
Peter Stuge | 1d862de | 2009-04-14 00:08:34 +0000 | [diff] [blame] | 129 | #define CBFS_COMPONENT_NULL 0xFFFFFFFF |
Ronald G. Minnich | 5d01ec0 | 2009-03-31 11:57:36 +0000 | [diff] [blame] | 130 | |
Hung-Te Lin | 3bb035b | 2013-01-29 02:15:49 +0800 | [diff] [blame] | 131 | #define CBFS_NAME(_c) (((char *) (_c)) + sizeof(struct cbfs_file)) |
Stefan Reinauer | db5b893 | 2013-01-18 15:53:22 -0800 | [diff] [blame] | 132 | #define CBFS_SUBHEADER(_p) ( (void *) ((((uint8_t *) (_p)) + ntohl((_p)->offset))) ) |
Ronald G. Minnich | a8a133d | 2013-12-30 13:16:18 -0800 | [diff] [blame] | 133 | /* cbfs_image.c */ |
| 134 | uint32_t get_cbfs_entry_type(const char *name, uint32_t default_value); |
Ronald G. Minnich | a8a133d | 2013-12-30 13:16:18 -0800 | [diff] [blame] | 135 | uint32_t get_cbfs_compression(const char *name, uint32_t unknown); |
Stefan Reinauer | db5b893 | 2013-01-18 15:53:22 -0800 | [diff] [blame] | 136 | |
Ronald G. Minnich | 3fcde22 | 2014-02-04 17:35:44 -0800 | [diff] [blame] | 137 | /* common.c */ |
| 138 | void cbfs_file_get_header(struct buffer *buf, struct cbfs_file *file); |
| 139 | |
Ronald G. Minnich | 818f369 | 2014-02-04 08:29:35 -0800 | [diff] [blame] | 140 | /* cbfs-mkpayload.c */ |
| 141 | void xdr_segs(struct buffer *output, |
| 142 | struct cbfs_payload_segment *segs, int nseg); |
Aaron Durbin | ca63027 | 2014-08-05 10:48:20 -0500 | [diff] [blame] | 143 | void xdr_get_seg(struct cbfs_payload_segment *out, |
| 144 | struct cbfs_payload_segment *in); |
Ronald G. Minnich | 818f369 | 2014-02-04 08:29:35 -0800 | [diff] [blame] | 145 | |
Stefan Reinauer | 6321758 | 2012-10-29 16:52:36 -0700 | [diff] [blame] | 146 | #endif |