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authorOlivier Certner <olce@FreeBSD.org>2025-03-05 10:47:53 +0000
committerOlivier Certner <olce@FreeBSD.org>2025-03-11 13:54:11 +0000
commit0f492f79084f2f88c9d5ade92f900e26cc47a7d0 (patch)
treed2f3b885b95cb6e0d128a318b688b8f33b9f43eb
parent96f77576e9ea83b3a5d1a02a24da7d54c06a58a8 (diff)
loader.kboot: smbios: Add a comment about v3 entry point being favored
Note that the behavior here is consistent with BIOS and EFI boot. Reviewed by: imp, markj MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D49293
-rw-r--r--stand/kboot/kboot/main.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/stand/kboot/kboot/main.c b/stand/kboot/kboot/main.c
index a9ea2d9354c9..65f7b77f1ace 100644
--- a/stand/kboot/kboot/main.c
+++ b/stand/kboot/kboot/main.c
@@ -261,6 +261,10 @@ kboot_find_smbios(void)
ep = buffer + strlen(buffer);
walker = buffer;
while (walker <= ep) {
+ /*
+ * Linux outputs the v3 table first if present, so we will
+ * choose it in priority.
+ */
if (strncmp("SMBIOS3=", walker, 8) == 0)
return((vm_offset_t)strtoull(walker + 8, NULL, 0));
if (strncmp("SMBIOS=", walker, 7) == 0)