diff options
Diffstat (limited to 'hw/firmware_abi.h')
| -rw-r--r-- | hw/firmware_abi.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/hw/firmware_abi.h b/hw/firmware_abi.h index 54702b2..5e6e5d4 100644 --- a/hw/firmware_abi.h +++ b/hw/firmware_abi.h @@ -43,12 +43,14 @@ OpenBIOS_set_var(uint8_t *nvram, uint32_t addr, const char *str) } /* Sun IDPROM structure at the end of NVRAM */ +/* from http://www.squirrel.com/squirrel/sun-nvram-hostid.faq.html */ struct Sun_nvram { - uint8_t type; - uint8_t machine_id; - uint8_t macaddr[6]; - uint8_t unused[7]; - uint8_t checksum; + uint8_t type; /* always 01 */ + uint8_t machine_id; /* first byte of host id (machine type) */ + uint8_t macaddr[6]; /* 6 byte ethernet address (first 3 bytes 08, 00, 20) */ + uint8_t date[4]; /* date of manufacture */ + uint8_t hostid[3]; /* remaining 3 bytes of host id (serial number) */ + uint8_t checksum; /* bitwise xor of previous bytes */ }; static inline void |