* is expected to be information that cannot be discovered by
* other means, such as quering the hardware directly.
*
- * All of the information should be Position Independent Data.
+ * All of the information should be Position Independent Data.
* That is it should be safe to relocated any of the information
* without it's meaning/correctnes changing. For table that
* can reasonably be used on multiple architectures the data
* table entries and be backwards compatible, but it is not required.
*/
-/* Since coreboot is usually compiled 32bit, gcc will align 64bit
- * types to 32bit boundaries. If the coreboot table is dumped on a
- * 64bit system, a uint64_t would be aligned to 64bit boundaries,
+/* Since coreboot is usually compiled 32bit, gcc will align 64bit
+ * types to 32bit boundaries. If the coreboot table is dumped on a
+ * 64bit system, a uint64_t would be aligned to 64bit boundaries,
* breaking the table format.
*
* lb_uint64 will keep 64bit coreboot table values aligned to 32bit
static inline uint64_t unpack_lb64(struct lb_uint64 value)
{
- uint64_t result;
- result = value.hi;
- result = (result << 32) + value.lo;
- return result;
+ uint64_t result;
+ result = value.hi;
+ result = (result << 32) + value.lo;
+ return result;
}
static inline struct lb_uint64 pack_lb64(uint64_t value)
{
- struct lb_uint64 result;
- result.lo = (value >> 0) & 0xffffffff;
- result.hi = (value >> 32) & 0xffffffff;
- return result;
+ struct lb_uint64 result;
+ result.lo = (value >> 0) & 0xffffffff;
+ result.hi = (value >> 32) & 0xffffffff;
+ return result;
}
-
-
-struct lb_header
-{
- uint8_t signature[4]; /* LBIO */
- uint32_t header_bytes;
- uint32_t header_checksum;
- uint32_t table_bytes;
- uint32_t table_checksum;
- uint32_t table_entries;
+struct lb_header {
+ union {
+ uint8_t signature[4]; /* LBIO */
+ uint32_t signature32;
+ };
+ uint32_t header_bytes;
+ uint32_t header_checksum;
+ uint32_t table_bytes;
+ uint32_t table_checksum;
+ uint32_t table_entries;
};
/* Every entry in the boot enviroment list will correspond to a boot
* forward compatibility with records not yet defined.
*/
struct lb_record {
- uint32_t tag; /* tag ID */
- uint32_t size; /* size of record (in bytes) */
+ uint32_t tag; /* tag ID */
+ uint32_t size; /* size of record (in bytes) */
};
#define LB_TAG_UNUSED 0x0000
struct lb_memory_range {
struct lb_uint64 start;
struct lb_uint64 size;
- uint32_t type;
-#define LB_MEM_RAM 1 /* Memory anyone can use */
-#define LB_MEM_RESERVED 2 /* Don't use this memory region */
-#define LB_MEM_TABLE 16 /* Ram configuration tables are kept in */
+ uint32_t type;
+#define LB_MEM_RAM 1 /* Memory anyone can use */
+#define LB_MEM_RESERVED 2 /* Don't use this memory region */
+#define LB_MEM_TABLE 16 /* Ram configuration tables are kept in */
};
struct lb_memory {
- uint32_t tag;
- uint32_t size;
- struct lb_memory_range map[0];
+ uint32_t tag;
+ uint32_t size;
+ struct lb_memory_range map[0];
};
-#define LB_TAG_HWRPB 0x0002
+#define LB_TAG_HWRPB 0x0002
struct lb_hwrpb {
- uint32_t tag;
- uint32_t size;
- uint64_t hwrpb;
+ uint32_t tag;
+ uint32_t size;
+ uint64_t hwrpb;
};
#define LB_TAG_MAINBOARD 0x0003
struct lb_mainboard {
- uint32_t tag;
- uint32_t size;
- uint8_t vendor_idx;
- uint8_t part_number_idx;
- uint8_t strings[0];
+ uint32_t tag;
+ uint32_t size;
+ uint8_t vendor_idx;
+ uint8_t part_number_idx;
+ uint8_t strings[0];
};
-#define LB_TAG_VERSION 0x0004
-#define LB_TAG_EXTRA_VERSION 0x0005
-#define LB_TAG_BUILD 0x0006
-#define LB_TAG_COMPILE_TIME 0x0007
-#define LB_TAG_COMPILE_BY 0x0008
-#define LB_TAG_COMPILE_HOST 0x0009
-#define LB_TAG_COMPILE_DOMAIN 0x000a
-#define LB_TAG_COMPILER 0x000b
-#define LB_TAG_LINKER 0x000c
+#define LB_TAG_VERSION 0x0004
+#define LB_TAG_EXTRA_VERSION 0x0005
+#define LB_TAG_BUILD 0x0006
+#define LB_TAG_COMPILE_TIME 0x0007
+#define LB_TAG_COMPILE_BY 0x0008
+#define LB_TAG_COMPILE_HOST 0x0009
+#define LB_TAG_COMPILE_DOMAIN 0x000a
+#define LB_TAG_COMPILER 0x000b
+#define LB_TAG_LINKER 0x000c
#define LB_TAG_ASSEMBLER 0x000d
struct lb_string {
- uint32_t tag;
- uint32_t size;
- uint8_t string[0];
+ uint32_t tag;
+ uint32_t size;
+ uint8_t string[0];
};
#define LB_TAG_SERIAL 0x000f
#define LB_TAG_CONSOLE 0x0010
#define LB_TAG_CMOS_OPTION_TABLE 200
/* cmos header record */
struct cmos_option_table {
- uint32_t tag; /* CMOS definitions table type */
- uint32_t size; /* size of the entire table */
- uint32_t header_length; /* length of header */
+ uint32_t tag; /* CMOS definitions table type */
+ uint32_t size; /* size of the entire table */
+ uint32_t header_length; /* length of header */
};
/* cmos entry record
*/
#define LB_TAG_OPTION 201
struct cmos_entries {
- uint32_t tag; /* entry type */
- uint32_t size; /* length of this record */
- uint32_t bit; /* starting bit from start of image */
- uint32_t length; /* length of field in bits */
- uint32_t config; /* e=enumeration, h=hex, r=reserved */
- uint32_t config_id; /* a number linking to an enumeration record */
+ uint32_t tag; /* entry type */
+ uint32_t size; /* length of this record */
+ uint32_t bit; /* starting bit from start of image */
+ uint32_t length; /* length of field in bits */
+ uint32_t config; /* e=enumeration, h=hex, r=reserved */
+ uint32_t config_id; /* a number linking to an enumeration record */
#define CMOS_MAX_NAME_LENGTH 32
- uint8_t name[CMOS_MAX_NAME_LENGTH]; /* name of entry in ascii,
- variable length int aligned */
+ uint8_t name[CMOS_MAX_NAME_LENGTH]; /* name of entry in ascii,
+ variable length int aligned */
};
-
/* cmos enumerations record
This record is variable length. The text field may be
shorter than CMOS_MAX_TEXT_LENGTH.
*/
#define LB_TAG_OPTION_ENUM 202
struct cmos_enums {
- uint32_t tag; /* enumeration type */
- uint32_t size; /* length of this record */
- uint32_t config_id; /* a number identifying the config id */
- uint32_t value; /* the value associated with the text */
+ uint32_t tag; /* enumeration type */
+ uint32_t size; /* length of this record */
+ uint32_t config_id; /* a number identifying the config id */
+ uint32_t value; /* the value associated with the text */
#define CMOS_MAX_TEXT_LENGTH 32
- uint8_t text[CMOS_MAX_TEXT_LENGTH]; /* enum description in ascii,
- variable length int aligned */
+ uint8_t text[CMOS_MAX_TEXT_LENGTH]; /* enum description in ascii,
+ variable length int aligned */
};
/* cmos defaults record
*/
#define LB_TAG_OPTION_DEFAULTS 203
struct cmos_defaults {
- uint32_t tag; /* default type */
- uint32_t size; /* length of this record */
- uint32_t name_length; /* length of the following name field */
- uint8_t name[CMOS_MAX_NAME_LENGTH]; /* name identifying the default */
+ uint32_t tag; /* default type */
+ uint32_t size; /* length of this record */
+ uint32_t name_length; /* length of the following name field */
+ uint8_t name[CMOS_MAX_NAME_LENGTH]; /* name identifying the default */
#define CMOS_IMAGE_BUFFER_SIZE 128
- uint8_t default_set[CMOS_IMAGE_BUFFER_SIZE]; /* default settings */
+ uint8_t default_set[CMOS_IMAGE_BUFFER_SIZE]; /* default settings */
};
#define LB_TAG_OPTION_CHECKSUM 204
-struct cmos_checksum {
+struct cmos_checksum {
uint32_t tag;
uint32_t size;
/* In practice everything is byte aligned, but things are measured
#define CHECKSUM_PCBIOS 1
};
-
-
-#endif /* COREBOOT_TABLES_H */
+#endif /* COREBOOT_TABLES_H */
projects / coreboot.git / blobdiff