Author: emaste
Date: Sun Apr 27 15:14:59 2014
New Revision: 265014
URL: http://svnweb.freebsd.org/changeset/base/265014
Log:
Report boot method (BIOS/UEFI) via sysctl machdep.bootmethod
Sponsored by: The FreeBSD Foundation
Modified:
head/sys/amd64/amd64/machdep.c
Modified: head/sys/amd64/amd64/machdep.c
==============================================================================
--- head/sys/amd64/amd64/machdep.c Sun Apr 27 13:10:51 2014
(r265013)
+++ head/sys/amd64/amd64/machdep.c Sun Apr 27 15:14:59 2014
(r265014)
@@ -1526,6 +1526,10 @@ add_efi_map_entries(struct efi_map_heade
}
}
+static char bootmethod[16] = "";
+SYSCTL_STRING(_machdep, OID_AUTO, bootmethod, CTLFLAG_RD, bootmethod, 0,
+ "System firmware boot method");
+
static void
native_parse_memmap(caddr_t kmdp, vm_paddr_t *physmap, int *physmap_idx)
{
@@ -1550,9 +1554,11 @@ native_parse_memmap(caddr_t kmdp, vm_pad
if (efihdr != NULL) {
add_efi_map_entries(efihdr, physmap, physmap_idx);
+ strlcpy(bootmethod, "UEFI", sizeof(bootmethod));
} else {
size = *((u_int32_t *)smap - 1);
bios_add_smap_entries(smap, size, physmap, physmap_idx);
+ strlcpy(bootmethod, "BIOS", sizeof(bootmethod));
}
}
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