From 6fb580d7b41069461093296a0f1059cf294a44dd Mon Sep 17 00:00:00 2001 From: Alexander Graf Date: Fri, 19 Aug 2016 01:23:31 +0200 Subject: [PATCH] smbios: Provide serial number If the system has a valid "serial#" environment variable set (which boards that can find it out programatically set automatically), use that as input for the serial number and UUID fields in the SMBIOS tables. Signed-off-by: Alexander Graf Reviewed-by: Bin Meng Reviewed-by: Simon Glass --- lib/smbios.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lib/smbios.c b/lib/smbios.c index 237f5f05fd..ce1974d86f 100644 --- a/lib/smbios.c +++ b/lib/smbios.c @@ -112,11 +112,16 @@ static int smbios_write_type1(uintptr_t *current, int handle) { struct smbios_type1 *t = (struct smbios_type1 *)*current; int len = sizeof(struct smbios_type1); + char *serial_str = getenv("serial#"); memset(t, 0, sizeof(struct smbios_type1)); fill_smbios_header(t, SMBIOS_SYSTEM_INFORMATION, len, handle); t->manufacturer = smbios_add_string(t->eos, CONFIG_SMBIOS_MANUFACTURER); t->product_name = smbios_add_string(t->eos, CONFIG_SMBIOS_PRODUCT_NAME); + if (serial_str) { + strncpy((char*)t->uuid, serial_str, sizeof(t->uuid)); + t->serial_number = smbios_add_string(t->eos, serial_str); + } len = t->length + smbios_string_table_len(t->eos); *current += len; -- 2.39.5