From 1ce8862ab409526a36936eb93db4e23ad92e3b79 Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sat, 3 Mar 2007 22:32:13 +0000
Subject: add failsafe support for x86-2.6 and fix mdev support for platforms
 using /etc/preinit

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6481 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 package/base-files/Makefile              |  1 -
 package/base-files/files/etc/preinit     |  3 ++-
 package/base-files/files/sbin/mount_root | 33 +++++++++++++++++++++-----------
 3 files changed, 24 insertions(+), 13 deletions(-)

(limited to 'package')

diff --git a/package/base-files/Makefile b/package/base-files/Makefile
index f02f1c9aa..30e90453e 100644
--- a/package/base-files/Makefile
+++ b/package/base-files/Makefile
@@ -19,7 +19,6 @@ REV:=$(shell LANG=C svn info | awk '/^Revision:/ { print$$2 }' )
 ifeq ($(REV),)
   REV:=0
 endif
-
 include $(INCLUDE_DIR)/package.mk
 
 ifneq ($(DUMP),1)
diff --git a/package/base-files/files/etc/preinit b/package/base-files/files/etc/preinit
index 74d4e8889..c60a0f850 100755
--- a/package/base-files/files/etc/preinit
+++ b/package/base-files/files/etc/preinit
@@ -1,5 +1,6 @@
 #!/bin/sh
 # Copyright (C) 2006 OpenWrt.org
 export PATH=/bin:/sbin:/usr/bin:/usr/sbin
-mount_root
+[ -e /etc/preinit.arch ] && . /etc/preinit.arch
+mount_root ${FAILSAFE:+failsafe}
 exec /sbin/init
diff --git a/package/base-files/files/sbin/mount_root b/package/base-files/files/sbin/mount_root
index 607877c64..4fa048f43 100755
--- a/package/base-files/files/sbin/mount_root
+++ b/package/base-files/files/sbin/mount_root
@@ -5,17 +5,28 @@
 mount none /proc -t proc
 size=$(awk '/Mem:/ {l=5242880;print((s=$2/2)<l)?$2-l:s}' /proc/meminfo)
 mount none /tmp -t tmpfs -o size=$size,nosuid,nodev,mode=1777
-
-grep rootfs /proc/mtd >/dev/null 2>/dev/null && {
-	mtd unlock rootfs
-	grep rootfs_data /proc/mtd >/dev/null 2>/dev/null && {
-		. /bin/firstboot
-		echo "switching to jffs2"
-		mount "$(find_mtd_part rootfs_data)" /jffs -t jffs2
-		fopivot /jffs /rom
-	}
-} || mount -o remount,rw /dev/root /
-
+if grep devfs /proc/filesystems > /dev/null; then
+	mount none /dev -t devfs
+else
+	mount -t sysfs none /sys
+	mount -t tmpfs tmpfs /dev -o size=512K
+	mknod /dev/console c 5 1
+	mkdir /dev/shm
+	/sbin/mdev -s
+fi
 mkdir -p /dev/pts
 mount none /dev/pts -t devpts
+
+[ failsafe != "$1" ] && {
+	grep rootfs /proc/mtd >/dev/null 2>/dev/null && {
+		mtd unlock rootfs
+		grep rootfs_data /proc/mtd >/dev/null 2>/dev/null && {
+			. /bin/firstboot
+			echo "switching to jffs2"
+			mount "$(find_mtd_part rootfs_data)" /jffs -t jffs2
+			fopivot /jffs /rom
+		}
+	} || mount -o remount,rw /dev/root /
+}
+
 grep sysfs /proc/filesystems >/dev/null && mount -t sysfs none /sys 2>&-
-- 
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