diff options
Diffstat (limited to 'sys/amd64')
| -rw-r--r-- | sys/amd64/amd64/machdep.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/sys/amd64/amd64/machdep.c b/sys/amd64/amd64/machdep.c index ea0f164b2e56..9644e167d54d 100644 --- a/sys/amd64/amd64/machdep.c +++ b/sys/amd64/amd64/machdep.c @@ -1691,6 +1691,27 @@ SYSCTL_PROC(_machdep, OID_AUTO, efi_map, efi_map_sysctl_handler, "S,efi_map_header", "Raw EFI Memory Map"); +static int +efi_arch_sysctl_handler(SYSCTL_HANDLER_ARGS) +{ + char *arch; + caddr_t kmdp; + + kmdp = preload_search_by_type("elf kernel"); + if (kmdp == NULL) + kmdp = preload_search_by_type("elf64 kernel"); + + arch = (char *)preload_search_info(kmdp, + MODINFO_METADATA | MODINFOMD_EFI_ARCH); + if (arch == NULL) + return (0); + + return (SYSCTL_OUT_STR(req, arch)); +} +SYSCTL_PROC(_machdep, OID_AUTO, efi_arch, + CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, 0, + efi_arch_sysctl_handler, "A", "EFI Firmware Architecture"); + void spinlock_enter(void) { |