Allow boot0cfg to force a PXE boot via boot0 on the next boot.

- Fix boot0 to check for PXE when using the pre-set setting for the
  preferred slice.
- Update boot0cfg to use slice 6 to select PXE.  Accept a 'pxe' argument
  instead of a number for the 's' option as a way to select PXE as well.

Submitted by:	Andrew Boyer  aboyer averesystems
MFC after:	2 weeks

1 files changed, 7 insertions, 2 deletions

diff --git a/usr.sbin/boot0cfg/boot0cfg.c b/usr.sbin/boot0cfg/boot0cfg.c
index 935f85b..2602e50 100644
--- a/usr.sbin/boot0cfg/boot0cfg.c
+++ b/usr.sbin/boot0cfg/boot0cfg.c
@@ -169,7 +169,10 @@ main(int argc, char *argv[])
             o_flag = 1;
             break;
         case 's':
-            s_arg = argtoi(optarg, 1, 5, 's');
+	    if (strcasecmp(optarg, "pxe") == 0)
+		s_arg = 6;
+	    else
+		s_arg = argtoi(optarg, 1, 6, 's');
             break;
         case 't':
             t_arg = argtoi(optarg, 1, 0xffff, 't');
@@ -472,8 +475,10 @@ display_mbr(u_int8_t *mbr)
     printf("default_selection=F%d (", mbr[OFF_OPT] + 1);
     if (mbr[OFF_OPT] < 4)
 	printf("Slice %d", mbr[OFF_OPT] + 1);
-    else
+    else if (mbr[OFF_OPT] == 4)
 	printf("Drive 1");
+    else
+	printf("PXE");
     printf(")\n");
 }