MFC r295497: Update uefi.8 for ZFS and multi device boot support

Approved by:	re (gjb)

1 files changed, 12 insertions, 20 deletions

diff --git a/share/man/man8/uefi.8 b/share/man/man8/uefi.8
index 8907ef3..8c1c979 100644
--- a/share/man/man8/uefi.8
+++ b/share/man/man8/uefi.8
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 14, 2016
+.Dd February 15, 2016
 .Dt UEFI 8
 .Os
 .Sh NAME
@@ -83,9 +83,17 @@ passes the configuration to the next stage boot loader and does not
 itself act on the contents of the file.
 .It
 .Pa boot1.efi
-locates the first partition with the type
-.Li freebsd-ufs ,
-and from it loads
+searches partitions of type
+.Li freebsd-ufs
+and
+.Li freebsd-zfs
+for
+.Pa loader.efi .
+The search begins with partitions on the device from which
+.Pa boot1.efi
+was loaded, and continues with other available partitions.
+.Pa boot1.efi
+then loads and executes
 .Pa loader.efi .
 .It
 .Pa loader.efi
@@ -146,19 +154,3 @@ Foundation sponsored portions of the work.
 EFI environment variables are not supported by
 .Xr loader 8
 or the kernel.
-.Pp
-.Pa boot1.efi
-loads
-.Pa loader.efi
-from the first FreeBSD-UFS file system it locates, even if it is on a
-different disk.
-.Pp
-.Pa boot1.efi
-cannot load
-.Pa loader.efi
-from a
-.Xr ZFS 8
-file system.
-As a result,
-.Nm
-does not support a typical root file system on ZFS configuration.