diff options
Diffstat (limited to 'util/mkelfImage/include/linuxbios_tables.h')
-rw-r--r-- | util/mkelfImage/include/linuxbios_tables.h | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/util/mkelfImage/include/linuxbios_tables.h b/util/mkelfImage/include/linuxbios_tables.h deleted file mode 100644 index 75464fdd9e..0000000000 --- a/util/mkelfImage/include/linuxbios_tables.h +++ /dev/null @@ -1,91 +0,0 @@ -#ifndef LINUXBIOS_TABLES_H -#define LINUXBIOS_TABLES_H - -#include <stdint.h> - -/* The linuxbios table information is for conveying information - * from the firmware to the loaded OS image. Primarily this - * 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. - * 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 - * size should be fixed. This should ease the transition between - * 32 bit and 64 bit architectures etc. - * - * The completeness test for the information in this table is: - * - Can all of the hardware be detected? - * - Are the per motherboard constants available? - * - Is there enough to allow a kernel to run that was written before - * a particular motherboard is constructed? (Assuming the kernel - * has drivers for all of the hardware but it does not have - * assumptions on how the hardware is connected together). - * - * With this test it should be straight forward to determine if a - * table entry is required or not. This should remove much of the - * long term compatibility burden as table entries which are - * irrelevant or have been replaced by better alternatives may be - * dropped. Of course it is polite and expidite to include extra - * table entries and be backwards compatible, but it is not required. - */ - - -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; -}; - -/* Every entry in the boot enviroment list will correspond to a boot - * info record. Encoding both type and size. The type is obviously - * so you can tell what it is. The size allows you to skip that - * boot enviroment record if you don't know what it easy. This allows - * forward compatibility with records not yet defined. - */ -struct lb_record { - uint32_t tag; /* tag ID */ - uint32_t size; /* size of record (in bytes) */ -}; - -#define LB_TAG_UNUSED 0x0000 - -#define LB_TAG_MEMORY 0x0001 - -struct lb_memory_range { - uint64_t start; - uint64_t size; - uint32_t type; -#define LB_MEM_RAM 1 -#define LB_MEM_RESERVED 2 - -}; - -struct lb_memory { - uint32_t tag; - uint32_t size; - struct lb_memory_range map[0]; -}; - -#define LB_TAG_HWRPB 0x0002 -struct lb_hwrpb { - uint32_t tag; - uint32_t size; - uint64_t hwrpb; -}; - -#define LB_TAG_FORWARD 0x0011 -struct lb_forward { - uint32_t tag; - uint32_t size; - uint64_t forward; -}; - - - -#endif /* LINUXBIOS_TABLES_H */ |