[PATCH 1/2] smbios: enable setting processor family > 0xff

Heinrich Schuchardt heinrich.schuchardt at canonical.com
Thu Dec 28 08:30:23 CET 2023


Many value of processor type exceed 0xff and have to be stored as u16
value. In the type 4 table set processor_family = 0xfe signaling that
field processor_family2 is used and write the actual value into the
processor_family2 field.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
---
 lib/smbios.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/smbios.c b/lib/smbios.c
index 45480b01af..550b2471f9 100644
--- a/lib/smbios.c
+++ b/lib/smbios.c
@@ -467,7 +467,8 @@ static void smbios_write_type4_dm(struct smbios_type4 *t,
 	}
 #endif
 
-	t->processor_family = processor_family;
+	t->processor_family = 0xfe;
+	t->processor_family2 = processor_family;
 	t->processor_manufacturer = smbios_add_prop(ctx, NULL, vendor);
 	t->processor_version = smbios_add_prop(ctx, NULL, name);
 }
@@ -489,7 +490,6 @@ static int smbios_write_type4(ulong *current, int handle,
 	t->l1_cache_handle = 0xffff;
 	t->l2_cache_handle = 0xffff;
 	t->l3_cache_handle = 0xffff;
-	t->processor_family2 = t->processor_family;
 
 	len = t->length + smbios_string_table_len(ctx);
 	*current += len;
-- 
2.43.0



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