diff options
Diffstat (limited to 'qemu/roms/openbios/libopenbios/linuxbios.h')
-rw-r--r-- | qemu/roms/openbios/libopenbios/linuxbios.h | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/qemu/roms/openbios/libopenbios/linuxbios.h b/qemu/roms/openbios/libopenbios/linuxbios.h deleted file mode 100644 index 0f7cba96a..000000000 --- a/qemu/roms/openbios/libopenbios/linuxbios.h +++ /dev/null @@ -1,181 +0,0 @@ -#ifndef LINUXBIOS_TABLES_H -#define LINUXBIOS_TABLES_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 This should remove much of the - * long term compatibility burden as table entries which are - * irrelevant or have been replaced by better alternatives may be - * dropped.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 /* 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]; -}; - -#define LB_TAG_HWRPB 0x0002 -struct lb_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]; -}; - -#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]; -}; - -/* The following structures are for the cmos definitions table */ -#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 */ -}; - -/* cmos entry record - This record is variable length. The name field may be - shorter than CMOS_MAX_NAME_LENGTH. The entry may start - anywhere in the byte, but can not span bytes unless it - starts at the beginning of the byte and the length is - fills complete bytes. -*/ -#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 */ -#define CMOS_MAX_NAME_LENGTH 32 - 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 */ -#define CMOS_MAX_TEXT_LENGTH 32 - uint8_t text[CMOS_MAX_TEXT_LENGTH]; /* enum description in ascii, - variable length int aligned */ -}; - -/* cmos defaults record - This record contains default settings for the cmos ram. -*/ -#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 */ -#define CMOS_IMAGE_BUFFER_SIZE 128 - uint8_t default_set[CMOS_IMAGE_BUFFER_SIZE]; /* default settings */ -}; - -#define LB_TAG_OPTION_CHECKSUM 204 -struct cmos_checksum { - uint32_t tag; - uint32_t size; - /* In practice everything is byte aligned, but things are measured - * in bits to be consistent. - */ - uint32_t range_start; /* First bit that is checksummed (byte aligned) */ - uint32_t range_end; /* Last bit that is checksummed (byte aligned) */ - uint32_t location; /* First bit of the checksum (byte aligned) */ - uint32_t type; /* Checksum algorithm that is used */ -#define CHECKSUM_NONE 0 -#define CHECKSUM_PCBIOS 1 -}; - - - -#endif /* LINUXBIOS_TABLES_H */ |