[U-Boot] [PATCH v6 10/10] smbios: Provide serial number

Alexander Graf
2016-08-18T23:23:31Z

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 <agraf@suse.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

---

v1 -> v2:

- Also populate UUID
---
lib/smbios.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/lib/smbios.c b/lib/smbios.c
index 237f5f0..ce1974d 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;
--
1.8.5.6