ab5754da66
According to https://gcc.gnu.org/gcc-4.6/changes.html it's only in gcc 4.6, not 4.5, which I mistakenly believed. Change-Id: I8212e7921bd9d1436a0ba491cbe6c4d473228956 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: http://review.coreboot.org/11476 Reviewed-by: Jonathan A. Kollasch <jakllsch@kollasch.net> Tested-by: build bot (Jenkins)
194 lines
5.7 KiB
C
194 lines
5.7 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.
|
|
*/
|
|
|
|
#ifndef __CBFS_H
|
|
#define __CBFS_H
|
|
|
|
#include <stdint.h>
|
|
|
|
/* cbfstool will fail when trying to build a cbfs_file header that's larger
|
|
* than MAX_CBFS_FILE_HEADER_BUFFER. 1K should give plenty of room. */
|
|
#define MAX_CBFS_FILE_HEADER_BUFFER 1024
|
|
|
|
/* create a magic number in host-byte order.
|
|
* b3 is the high order byte.
|
|
* in the coreboot tools, we go with the 32-bit
|
|
* magic number convention.
|
|
* This was an inline func but that breaks anything
|
|
* that uses it in a case statement.
|
|
*/
|
|
|
|
#define makemagic(b3, b2, b1, b0)\
|
|
(((b3)<<24) | ((b2) << 16) | ((b1) << 8) | (b0))
|
|
|
|
#if defined(__WIN32) || defined(__WIN64)
|
|
#define __PACKED __attribute__((gcc_struct, packed))
|
|
#else
|
|
#define __PACKED __attribute__((packed))
|
|
#endif
|
|
|
|
/* To make CBFS more friendly to ROM, fill -1 (0xFF) instead of zero. */
|
|
#define CBFS_CONTENT_DEFAULT_VALUE (-1)
|
|
|
|
// Alignment (in bytes) to be used when no master header is present
|
|
#define CBFS_ENTRY_ALIGNMENT 64
|
|
|
|
#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
|
|
|
|
#define CBFS_ALIGNMENT 64
|
|
|
|
struct cbfs_header {
|
|
uint32_t magic;
|
|
uint32_t version;
|
|
uint32_t romsize;
|
|
uint32_t bootblocksize;
|
|
uint32_t align; /* hard coded to 64 byte */
|
|
uint32_t offset;
|
|
uint32_t architecture; /* Version 2 */
|
|
uint32_t pad[1];
|
|
} __PACKED;
|
|
|
|
#define CBFS_ARCHITECTURE_UNKNOWN 0xFFFFFFFF
|
|
#define CBFS_ARCHITECTURE_X86 0x00000001
|
|
#define CBFS_ARCHITECTURE_ARM 0x00000010
|
|
#define CBFS_ARCHITECTURE_AARCH64 0x0000aa64
|
|
#define CBFS_ARCHITECTURE_MIPS 0x00000100
|
|
#define CBFS_ARCHITECTURE_RISCV 0xc001d0de
|
|
|
|
#define CBFS_FILE_MAGIC "LARCHIVE"
|
|
|
|
struct cbfs_file {
|
|
uint8_t magic[8];
|
|
/* length of file data */
|
|
uint32_t len;
|
|
uint32_t type;
|
|
/* offset to struct cbfs_file_attribute or 0 */
|
|
uint32_t attributes_offset;
|
|
/* length of header incl. variable data */
|
|
uint32_t offset;
|
|
char filename[];
|
|
} __PACKED;
|
|
|
|
#if defined __GNUC__ && (__GNUC__ * 100 + __GNUC_MINOR__) >= 406
|
|
_Static_assert(sizeof(struct cbfs_file) == 24, "cbfs_file size mismatch");
|
|
#endif
|
|
|
|
/* The common fields of extended cbfs file attributes.
|
|
Attributes are expected to start with tag/len, then append their
|
|
specific fields. */
|
|
struct cbfs_file_attribute {
|
|
uint32_t tag;
|
|
/* len covers the whole structure, incl. tag and len */
|
|
uint32_t len;
|
|
uint8_t data[0];
|
|
} __PACKED;
|
|
|
|
/* Depending on how the header was initialized, it may be backed with 0x00 or
|
|
* 0xff. Support both. */
|
|
#define CBFS_FILE_ATTR_TAG_UNUSED 0
|
|
#define CBFS_FILE_ATTR_TAG_UNUSED2 0xffffffff
|
|
#define CBFS_FILE_ATTR_TAG_COMPRESSION 0x42435a4c
|
|
|
|
struct cbfs_file_attr_compression {
|
|
uint32_t tag;
|
|
uint32_t len;
|
|
/* whole file compression format. 0 if no compression. */
|
|
uint32_t compression;
|
|
uint32_t decompressed_size;
|
|
} __PACKED;
|
|
|
|
struct cbfs_stage {
|
|
uint32_t compression;
|
|
uint64_t entry;
|
|
uint64_t load;
|
|
uint32_t len;
|
|
uint32_t memlen;
|
|
} __PACKED;
|
|
|
|
#define PAYLOAD_SEGMENT_CODE makemagic('C', 'O', 'D', 'E')
|
|
#define PAYLOAD_SEGMENT_DATA makemagic('D', 'A', 'T', 'A')
|
|
#define PAYLOAD_SEGMENT_BSS makemagic('B', 'S', 'S', ' ')
|
|
#define PAYLOAD_SEGMENT_PARAMS makemagic('P', 'A', 'R', 'A')
|
|
#define PAYLOAD_SEGMENT_ENTRY makemagic('E', 'N', 'T', 'R')
|
|
|
|
struct cbfs_payload_segment {
|
|
uint32_t type;
|
|
uint32_t compression;
|
|
uint32_t offset;
|
|
uint64_t load_addr;
|
|
uint32_t len;
|
|
uint32_t mem_len;
|
|
} __PACKED;
|
|
|
|
struct cbfs_payload {
|
|
struct cbfs_payload_segment segments;
|
|
} __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_FSP 0x60
|
|
#define CBFS_COMPONENT_MRC 0x61
|
|
#define CBFS_COMPONENT_CMOS_DEFAULT 0xaa
|
|
#define CBFS_COMPONENT_SPD 0xab
|
|
#define CBFS_COMPONENT_MRC_CACHE 0xac
|
|
#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
|
|
|
|
#define CBFS_SUBHEADER(_p) ( (void *) ((((uint8_t *) (_p)) + ntohl((_p)->offset))) )
|
|
|
|
/* cbfs_image.c */
|
|
uint32_t get_cbfs_entry_type(const char *name, uint32_t default_value);
|
|
uint32_t get_cbfs_compression(const char *name, uint32_t unknown);
|
|
|
|
/* common.c */
|
|
void cbfs_file_get_header(struct buffer *buf, struct cbfs_file *file);
|
|
|
|
/* cbfs-mkpayload.c */
|
|
void xdr_segs(struct buffer *output,
|
|
struct cbfs_payload_segment *segs, int nseg);
|
|
void xdr_get_seg(struct cbfs_payload_segment *out,
|
|
struct cbfs_payload_segment *in);
|
|
|
|
#endif
|