[oe-commits] org.oe.dev initramfs-jffs2: Initramfs to boot from jffs2 ramdisk.

[pfalcon commit]

initramfs-jffs2: Initramfs to boot from jffs2 ramdisk.
* jffs2 ramdisk == mtdram device
* jffs2 is included in initramfs
* This is core of LiveRamdisk technology

Author: pfalcon at openembedded.org
Branch: org.openembedded.dev
Revision: 6632df74a3ff0af8c91330d38e0d6018c8794762
ViewMTN: http://monotone.openembedded.org/revision.psp?id=6632df74a3ff0af8c91330d38e0d6018c8794762
Files:
1
packages/initrdscripts/initramfs-jffs2
packages/initrdscripts/initramfs-jffs2/jffs2boot.sh
packages/initrdscripts/initramfs-jffs2_0.1.bb
Diffs:

#
# mt diff -r63e3a02221a9791ae06d54d0975aa4c559532d13 -r6632df74a3ff0af8c91330d38e0d6018c8794762
#
# 
# 
# add_dir "packages/initrdscripts/initramfs-jffs2"
# 
# add_file "packages/initrdscripts/initramfs-jffs2/jffs2boot.sh"
#  content [d52425b59cb253661ac2548077becd69997515eb]
# 
# add_file "packages/initrdscripts/initramfs-jffs2_0.1.bb"
#  content [1eab8e522ee185522c577729e8ac079c6c85c207]
# 
============================================================
--- packages/initrdscripts/initramfs-jffs2/jffs2boot.sh	d52425b59cb253661ac2548077becd69997515eb
+++ packages/initrdscripts/initramfs-jffs2/jffs2boot.sh	d52425b59cb253661ac2548077becd69997515eb
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+echo "Starting initrd boot..."
+mkdir /proc
+mount -t proc proc /proc
+
+modprobe mtdram total_size=24576 erase_size=256
+sleep 1
+
+ID=`grep "mtdram test device" /proc/mtd | cut -d: -f1| cut -b4-`
+
+cat /initrd.jffs2 >/dev/mtdblock$ID
+
+mkdir /mnt
+mount -t jffs2 /dev/mtdblock$ID /mnt
+
+cd /mnt
+exec switch_root -c /dev/console /mnt /sbin/init
============================================================
--- packages/initrdscripts/initramfs-jffs2_0.1.bb	1eab8e522ee185522c577729e8ac079c6c85c207
+++ packages/initrdscripts/initramfs-jffs2_0.1.bb	1eab8e522ee185522c577729e8ac079c6c85c207
@@ -0,0 +1,8 @@
+SRC_URI = "file://jffs2boot.sh"
+PR = "r0"
+
+do_install() {
+        install -m 0755 ${WORKDIR}/jffs2boot.sh ${D}/init
+}
+
+FILES_${PN} += " /init "