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| author | Thomas Huth <thuth@redhat.com> | 2016-10-18 22:46:44 +0200 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-10-28 09:36:58 +1100 |
| commit | c6363bae1731754a7153bf8b08c616f52c635304 (patch) | |
| tree | c2b92c2f290fbd1847322153fbb9eb58b457a416 /include/hw/nvram/sun_nvram.h | |
| parent | ad723fe5a050b685e496f2202a919f9e32c45c43 (diff) | |
| download | qemu-c6363bae1731754a7153bf8b08c616f52c635304.zip qemu-c6363bae1731754a7153bf8b08c616f52c635304.tar.gz qemu-c6363bae1731754a7153bf8b08c616f52c635304.tar.bz2 | |
nvram: Rename openbios_firmware_abi.h into sun_nvram.h
The header now only contains inline functions related to the
Sun NVRAM, so the a name like sun_nvram.h seems to be more
appropriate now.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'include/hw/nvram/sun_nvram.h')
| -rw-r--r-- | include/hw/nvram/sun_nvram.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/hw/nvram/sun_nvram.h b/include/hw/nvram/sun_nvram.h new file mode 100644 index 0000000..68eaa60 --- /dev/null +++ b/include/hw/nvram/sun_nvram.h @@ -0,0 +1,34 @@ +#ifndef SUN_NVRAM_H +#define SUN_NVRAM_H + +/* 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; /* 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 +Sun_init_header(struct Sun_nvram *header, const uint8_t *macaddr, int machine_id) +{ + uint8_t tmp, *tmpptr; + unsigned int i; + + header->type = 1; + header->machine_id = machine_id & 0xff; + memcpy(&header->macaddr, macaddr, 6); + memcpy(&header->hostid , &macaddr[3], 3); + + /* Calculate checksum */ + tmp = 0; + tmpptr = (uint8_t *)header; + for (i = 0; i < 15; i++) + tmp ^= tmpptr[i]; + + header->checksum = tmp; +} +#endif /* SUN_NVRAM_H */ |