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Report boot method (BIOS/UEFI) via sysctl machdep.bootmethod

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Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Ed Maste 2014-04-27 15:14:59 +00:00
parent 8376edae84
commit b6a0a32b58
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=265014
1 changed files with 6 additions and 0 deletions
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6
sys/amd64/amd64/machdep.c
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@ -1526,6 +1526,10 @@ add_efi_map_entries(struct efi_map_header *efihdr, vm_paddr_t *physmap,
}
}
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_paddr_t *physmap, int *physmap_idx)
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));
}
}