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cbfs: Add some more definititions

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Add definitions for a payload or 'self', which is like an unpacked ELF
file.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2022-02-28 12:08:26 -07:00 committed by Tom Rini
parent ccfc9d7841
commit 9dc29742c5
1 changed files with 43 additions and 0 deletions
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43
include/cbfs.h
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@ -24,6 +24,8 @@ enum cbfs_filetype {
CBFS_TYPE_CBFSHEADER = 0x02,
CBFS_TYPE_STAGE = 0x10,
CBFS_TYPE_PAYLOAD = 0x20,
CBFS_TYPE_SELF = CBFS_TYPE_PAYLOAD,
CBFS_TYPE_FIT = 0x21,
CBFS_TYPE_OPTIONROM = 0x30,
CBFS_TYPE_BOOTSPLASH = 0x40,
@ -120,6 +122,47 @@ struct cbfs_file_attr_hash {
u8 hash_data[];
} __packed;
/*** Component sub-headers ***/
/* Following are component sub-headers for the "standard" component types */
/**
* struct cbfs_stage - sub-header for stage components
*
* Stages are loaded by coreboot during the normal boot process
*/
struct cbfs_stage {
u32 compression; /** Compression type */
u64 entry; /** entry point */
u64 load; /** Where to load in memory */
u32 len; /** length of data to load */
u32 memlen; /** total length of object in memory */
} __packed;
/**
* struct cbfs_payload_segment - sub-header for payload components
*
* Payloads are loaded by coreboot at the end of the boot process
*/
struct cbfs_payload_segment {
u32 type;
u32 compression;
u32 offset;
u64 load_addr;
u32 len;
u32 mem_len;
} __packed;
struct cbfs_payload {
struct cbfs_payload_segment segments;
};
#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_cachenode {
struct cbfs_cachenode *next;
void *data;