2016-10-20 23:08:26 +02:00
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From a4a5608aaea4293dd9928c27fe8fb49dd449cd5e Mon Sep 17 00:00:00 2001
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2016-08-17 12:06:06 +02:00
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From: Alexander Graf <agraf@suse.de>
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Date: Sun, 7 Aug 2016 18:29:12 +0200
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Subject: [PATCH] smbios: Provide serial number
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If the system has a valid "serial#" environment variable set (which boards that
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can find it out programatically set automatically), use that as input for the
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serial number and UUID fields in the SMBIOS tables.
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Signed-off-by: Alexander Graf <agraf@suse.de>
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---
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v1 -> v2:
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- Also populate UUID
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---
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lib/smbios.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/lib/smbios.c b/lib/smbios.c
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index 4d85155..2d0df23 100644
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--- a/lib/smbios.c
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+++ b/lib/smbios.c
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@@ -111,11 +111,16 @@ static int smbios_write_type1(uintptr_t *current, int handle)
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{
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struct smbios_type1 *t = (struct smbios_type1 *)*current;
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int len = sizeof(struct smbios_type1);
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+ char *serial_str = getenv("serial#");
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memset(t, 0, sizeof(struct smbios_type1));
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fill_smbios_header(t, SMBIOS_SYSTEM_INFORMATION, len, handle);
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t->manufacturer = smbios_add_string(t->eos, CONFIG_SMBIOS_MANUFACTURER);
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t->product_name = smbios_add_string(t->eos, CONFIG_SMBIOS_PRODUCT_NAME);
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+ if (serial_str) {
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+ strncpy((char*)t->uuid, serial_str, sizeof(t->uuid));
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+ t->serial_number = smbios_add_string(t->eos, serial_str);
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+ }
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len = t->length + smbios_string_table_len(t->eos);
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*current += len;
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