Git-Url:
http://git.frugalware.org/gitweb/gitweb.cgi?p=fw-initramfs.git;a=commitdiff;h=e76a411bbcbbfd3d2916134a25e2b3e697cb3a8a
commit e76a411bbcbbfd3d2916134a25e2b3e697cb3a8a
Author: bouleetbil <bouleet...@frogdev.info>
Date: Thu Nov 5 20:25:20 2009 +0100
init
*init for initramfs
diff --git a/init b/init
new file mode 100755
index 0000000..dc053bc
--- /dev/null
+++ b/init
@@ -0,0 +1,134 @@
+#!/bin/sh
+
+PATH="/usr/sbin:/usr/bin:/sbin:/bin"
+
+. /etc/init_functions.sh
+
+mount -t proc proc /proc >/dev/null 2>&1
+mount -o remount,rw / >/dev/null 2>&1
+
+echo "/sbin/modprobe" > /proc/sys/kernel/modprobe
+
+#Disable kernel messages from popping onto the screen
+echo 0 > /proc/sys/kernel/printk
+
+#Clear the screen
+clear
+
+#Create all the symlinks to /bin/busybox
+busybox --install -s
+
+#Create device nodes
+mknod /dev/tty c 5 0
+
+#lvm
+if [ -e /bin/lvm ]
+then
+ ln -s /bin/lvm /bin/vgscan
+ ln -s /bin/lvm /bin/vgchange
+fi
+
+
+#Defaults
+init="/sbin/init"
+root="/dev/hda1"
+
+#Process command line options
+for i in $(cat /proc/cmdline); do
+ case $i in
+ root\=*)
+ root=$(get_opt $i)
+ ;;
+ init\=*)
+ init=$(get_opt $i)
+ ;;
+ # Scan delay options (usb for exemple)
+ scandelay\=*)
+ SDELAY=$(get_opt $i)
+ ;;
+ # Debug Options
+ debug)
+ DEBUG='yes'
+ ;;
+ #for delete save suspend
+ real_resume\=*|resume\=*)
+ REAL_RESUME=$(get_opt $i)
+ ;;
+ bootusb)
+ Â Â Â Â Â BOOTUSB=1
+ Â Â Â ;;Â
+ esac
+done
+
+
+#Mount things needed by this script
+mount_sysfs
+
+# Setup hotplugging for firmware loading
+setup_hotplug
+
+#load modules
+load_modules
+
+#resume
+#swsusp_resume
+
+# Delay if needed for USB hardware
+sdelay
+
+cd /sys
+good_msg 'Activating mdev'
+runmdev
+cd /
+
+if [ "${BOOTUSB}" -eq '1' ] ; then
+Â Â Â Â Â Â Â Â Â Â Â #create mount dir
+Â Â Â Â Â Â Â Â Â Â Â mkdir /key
+Â Â Â Â Â Â Â Â Â Â Â for a in `find /dev/ -name [sh]???`
+Â Â Â Â Â Â Â Â Â Â Â do
+Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â mount $a /key
+Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â #wait the time to mount usb
+Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â sleep 10
+Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â #search the file FrugalMove
+Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â if [ -e /key/FrugalMove ]
+Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â then
+Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â root="${a}"
+Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â #update fstab
+Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â rm /key/etc/fstab
2>/dev/null
+Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â cp
/key/etc/fstab.new /key/etc/fstab
+Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â echo "${a}Â Â Â
 /    ext3   defaults    1 1 " >> /key/etc/fstab
+Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â umount /key
2>/dev/null
+Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â break
+Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â fi
+Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â umount /key 2>/dev/null
+           done Â
+Â Â Â Â Â Â Â Â Â
+Â Â Â Â Â Â Â Â Â Â Â rm -R /key 2>/dev/null
+fiÂ
+
+
+
+# Run debug shell if requested
+rundebugshell
+
+echo -ne "${GOOD}>>${NORMAL}${BOLD} Booting (initramfs)${NORMAL}"
+
+#Mount the root device
+mount "${root}" /newroot
+
+#Check if $init exists and is executable
+if [[ -x "/newroot/${init}" ]] ; then
+ #Unmount all other mounts so that the ram used by
+ #the initramfs can be cleared after switch_root
+ umount /sys /proc
+
+ #Switch to the new root and execute init
+ exec switch_root /newroot "${init}"
+fi
+
+
+
+#This will only be run if the exec above failed
+bad_msg 'Failed to switch_root, dropping to a shell'
+exec sh
+
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