From cf68de56e3f26f658aa31ec170138217e0acce77 Mon Sep 17 00:00:00 2001
From: downsj <downsj@openbsd.org>
Date: Sun, 16 Feb 1997 17:54:38 +0000
Subject: [PATCH] Fix autoconfiguration code, so that it can actually boot from
 pdevs.

---
 sys/arch/hp300/conf/MINIROOT    |  4 ++--
 sys/arch/hp300/dev/rd_root.c    |  4 ++--
 sys/arch/hp300/hp300/autoconf.c | 20 ++++++++++----------
 3 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/sys/arch/hp300/conf/MINIROOT b/sys/arch/hp300/conf/MINIROOT
index 514aaac21c2..fd5208a6742 100644
--- a/sys/arch/hp300/conf/MINIROOT
+++ b/sys/arch/hp300/conf/MINIROOT
@@ -1,4 +1,4 @@
-#	$OpenBSD: MINIROOT,v 1.2 1997/02/16 14:37:08 downsj Exp $
+#	$OpenBSD: MINIROOT,v 1.3 1997/02/16 17:54:38 downsj Exp $
 #
 # Ram disk kernel for the miniroot.
 #
@@ -45,7 +45,7 @@ option	 	SE_KEYBOARD	# include Swedish HIL keymap
 # (Warning: this compiles in a large string table)
 option	 	DIOVERBOSE	# recognize "unknown" DIO devices
 
-config		bsd root rd0 swap sd0 and sd1 and hd0 and hd1
+config		bsd root rd0 swap rd0
 
 mainbus0	at root		# root "bus"
 
diff --git a/sys/arch/hp300/dev/rd_root.c b/sys/arch/hp300/dev/rd_root.c
index 036f1f262bc..2e12b5886a6 100644
--- a/sys/arch/hp300/dev/rd_root.c
+++ b/sys/arch/hp300/dev/rd_root.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rd_root.c,v 1.1 1997/02/16 10:42:20 downsj Exp $	*/
+/*	$OpenBSD: rd_root.c,v 1.2 1997/02/16 17:54:39 downsj Exp $	*/
 /*	$NetBSD: rd_root.c,v 1.1 1996/05/20 01:17:31 chuck Exp $	*/
 
 /*
@@ -61,7 +61,7 @@ rd_attach_hook(unit, rd)
 		rd->rd_addr = (caddr_t) rd_root_image;
 		rd->rd_size = (size_t)  rd_root_size;
 		rd->rd_type = RD_KMEM_FIXED;
-		printf(" fixed, %d blocks", MINIROOTSIZE);
+		printf("rd%d: fixed, %d blocks\n", unit, MINIROOTSIZE);
 	}
 }
 
diff --git a/sys/arch/hp300/hp300/autoconf.c b/sys/arch/hp300/hp300/autoconf.c
index 718a4962d36..f582740c59c 100644
--- a/sys/arch/hp300/hp300/autoconf.c
+++ b/sys/arch/hp300/hp300/autoconf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: autoconf.c,v 1.12 1997/02/16 14:37:10 downsj Exp $	*/
+/*	$OpenBSD: autoconf.c,v 1.13 1997/02/16 17:54:40 downsj Exp $	*/
 /*	$NetBSD: autoconf.c,v 1.31 1997/01/31 01:49:41 thorpej Exp $	*/
 
 /*
@@ -705,8 +705,8 @@ setroot()
 #endif
 		rootdevname = findblkname(major(rootdev));
 		if (rootdevname == NULL) {
-			printf("unknown root device major 0x%x\n", rootdev);
-			panic("setroot");
+			root_device = NULL;	/* no device */
+			return;
 		}
 		bzero(buf, sizeof(buf));
 		sprintf(buf, "%s%d", rootdevname, DISKUNIT(rootdev));
@@ -718,17 +718,11 @@ setroot()
 				break;
 			}
 		}
-		if (dv == NULL) {
-			printf("device %s (0x%x) not configured\n",
-			    buf, rootdev);
-			panic("setroot");
-		}
-
+		root_device = dv;	/* NULL is fine. */
 		return;
 	}
 
 	root_device = rootdv;
-
 	switch (rootdv->dv_class) {
 #ifdef NFSCLIENT
 	case DV_IFNET:
@@ -993,6 +987,12 @@ setbootdev()
 	 */
 	bootdev = 0;
 
+	/*
+	 * If we don't have a saveable root_device, just punt.
+	 */
+	if (root_device == NULL)
+		goto out;
+
 	dd = dev_data_lookup(root_device);
 
 	/*
-- 
2.20.1