From 3b2303ba3dba4e33ee0866953b4390c5481cac83 Mon Sep 17 00:00:00 2001
From: Olivier Certner <olce@FreeBSD.org>
Date: Mon, 3 Mar 2025 17:44:38 +0100
Subject: [PATCH] libsa: smbios: Export the used entry point type to the kernel

Via the kenv 'smbios.entry_point_type'.

Reviewed by:    imp, markj
MFC after:      2 weeks
Sponsored by:   The FreeBSD Foundation
Differential Revision:  https://reviews.freebsd.org/D49283
---
 stand/libsa/smbios.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/stand/libsa/smbios.c b/stand/libsa/smbios.c
index a334e39e9ef..c864dc9cdc5 100644
--- a/stand/libsa/smbios.c
+++ b/stand/libsa/smbios.c
@@ -629,6 +629,11 @@ smbios_detect(const caddr_t addr)
 	     dmi < smbios.addr + smbios.length && i < smbios.count; i++)
 		dmi = smbios_parse_table(dmi);
 
+	setenv("smbios.entry_point_type",
+#ifdef SMBIOS_64BIT_EP
+	    smbios.is_64bit_ep ? "v3 (64-bit)" :
+#endif
+	    "v2.1 (32-bit)", 1);
 	sprintf(buf, "%d.%d", smbios.major, smbios.minor);
 	setenv("smbios.version", buf, 1);
 	if (smbios.enabled_memory > 0 || smbios.old_enabled_memory > 0) {