From 854f0ad080f5607cd4041ed91437145d2a06579c Mon Sep 17 00:00:00 2001
From: Mike Baker <mbm@openwrt.org>
Date: Thu, 10 May 2007 08:35:48 +0000
Subject: [PATCH] change handling of target/linux/generic-2.x/files to match
 other targets (#1648)

SVN-Revision: 7158
---
 include/kernel-defaults.mk               |  5 +-
 target/linux/generic-2.6/base-files/init | 93 ++++++++++++++++++++++++
 2 files changed, 95 insertions(+), 3 deletions(-)
 create mode 100755 target/linux/generic-2.6/base-files/init

diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk
index c2becb9011..b9231a9beb 100644
--- a/include/kernel-defaults.mk
+++ b/include/kernel-defaults.mk
@@ -29,6 +29,7 @@ KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
 
 define Kernel/Prepare/Default
 	bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
+	if [ -d $(GENERIC_PLATFORM_DIR)/files ]; then $(CP) $(GENERIC_PLATFORM_DIR)/files/* $(LINUX_DIR)/; fi
 	if [ -d $(GENERIC_PLATFORM_DIR)/patches ]; then $(PATCH) $(LINUX_DIR) $(GENERIC_PLATFORM_DIR)/patches; fi
 	if [ -d ./files ]; then $(CP) ./files/* $(LINUX_DIR)/; fi
 	if [ -d ./patches ]; then $(PATCH) $(LINUX_DIR) ./patches; fi
@@ -67,14 +68,12 @@ ifeq ($(KERNEL),2.6)
 		echo 'CONFIG_INITRAMFS_SOURCE="../../root"' >> $(LINUX_DIR)/.config
 		echo 'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR)/.config
 		echo 'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR)/.config
-		mkdir -p $(BUILD_DIR)/root/etc/init.d
-		$(CP) $(GENERIC_PLATFORM_DIR)/files/init $(BUILD_DIR)/root/
     endef
   else
     define Kernel/SetInitramfs
 		mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
 		grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
-		rm -f $(BUILD_DIR)/root/init $(BUILD_DIR)/root/etc/init.d/S00initramfs
+		rm -f $(BUILD_DIR)/root/init
 		echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
     endef
   endif
diff --git a/target/linux/generic-2.6/base-files/init b/target/linux/generic-2.6/base-files/init
new file mode 100755
index 0000000000..9f595c0f95
--- /dev/null
+++ b/target/linux/generic-2.6/base-files/init
@@ -0,0 +1,93 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+
+export PATH=/bin:/sbin:/usr/bin:/usr/sbin
+mount none /proc -t proc
+
+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/pts
+	mkdir /dev/shm
+	/sbin/hotplug2 --no-persistent --coldplug --max_children 1
+fi
+
+mount none /dev/pts -t devpts
+
+# the root mount point can come from the kernel command line
+# or it can be overridden in the preinit.arch file
+[ -f /etc/preinit.arch ] && . /etc/preinit.arch
+
+# if we have no root parameter, just go to running from ramfs
+[ -z $rootfs ] && {
+  export NOMOUNT="No Root"
+  exec /sbin/init
+}
+
+#if we have a failsafe boot selected, dont bother
+#trying to find or wait for a root mount point
+[ -z "$FAILSAFE" ] || {
+  exec /bin/busybox init
+}
+
+# Load the modules we have in initramfs, this should
+# make the media accessible, but, it may take some time
+. /etc/functions.sh
+load_modules /etc/modules /etc/modules.d/*
+
+#wait 10 seconds for the disc to show up
+#usb stick typically takes 4 to 6 seconds
+#till it's readable
+#it's quite possible the disc never shows up
+#if we netbooted this kernel
+COUNTER=0
+while [ $COUNTER -lt 10 ]; do
+  sleep 1
+  [ -e $rootfs ] && let COUNTER=10;
+  let COUNTER=COUNTER+1
+done
+[ -e $rootfs ] || {
+  export FAILSAFE="NoDisc"
+  exec /bin/busybox init
+}
+
+# now we'll try mount it, again with a timeout
+# This will fail if the inserted stick is formatted
+# in a manner we dont understand
+COUNTER=0
+while [ $COUNTER -lt 10 ]; do
+  sleep 1
+  mount $rootfs /mnt
+  [ $? -eq "0" ] && let COUNTER=100;
+  let COUNTER=COUNTER+1
+done
+[ $? -ne "0" ] && {
+  export FAILSAFE="MountFail"
+  exec /bin/busybox init
+}
+
+#It mounted, lets look for a postinit file, again, give it time
+#I've seen this take 6 seconds to actually complete
+COUNTER=0
+while [ $COUNTER -lt 10 ]; do
+  sleep 1
+  [ -e /mnt/etc/banner ] && let COUNTER=10;
+  let COUNTER=COUNTER+1
+done
+[ -e /mnt/etc/banner ] || {
+  export FAILSAFE="No Openwrt FS"
+  exec /bin/busybox init
+}
+
+unset rootfs
+
+mount -o move /proc /mnt/proc
+mount -o move /dev /mnt/dev
+mount -o move /dev/pts /mnt/dev/pts
+mount -o move /tmp /mnt/tmp
+mount -o move /sys /mnt/sys
+mount none /tmp -t tmpfs
+exec switch_root -c /dev/console /mnt /sbin/init