Initial checkin

conf/initramfs.conf

@@ -0,0 +1,50 @@
+#
+# initramfs.conf
+#
+
+# BUSYBOX: [ y | n ]
+#
+# Use busybox if available.  You MUST use the -static version
+#
+
+BUSYBOX=n
+
+#
+# BOOT: [ local | nfs ]
+#
+# local - Boot off of local media (harddrive, USB stick).
+#
+# nfs - Boot using an NFS drive as the root of the drive.
+#
+
+BOOT=local
+
+#
+# MODULES: [ most | dep | list ]
+#
+# most - Add all framebuffer, acpi, filesystem, and harddrive drivers.
+#
+# dep - Try and guess which modules to load.
+#
+# list - Only include modules from the 'additional modules' list
+#
+MODULES=list
+
+#
+# NFS Section of the config.
+#
+
+#
+# DEVICE: ...
+#
+# Specify the network device, like eth0
+#
+
+DEVICE=eth0
+
+#
+# NFSROOT: [ auto | HOST:MOUNT ]
+#
+
+NFSROOT=auto
+

conf/modules

@@ -0,0 +1,7 @@
+# List of modules that you want to include in your initramfs.
+# This might be good choices:
+#
+#ide-disk
+#ide-generic
+#ext2
+#ext3

debian/README

@@ -0,0 +1,12 @@
+initramfs-tools
+===============
+
+This package is a work in progress towards the replacement of the initrd
+system with an initramfs system.
+
+The goals include using klibc for all earlyspace tools, an integrated udev
+and an integrated hotplug.
+
+See the TODO file for a current status.
+
+Jeff Bailey - 2005-04-24

debian/TODO

@@ -0,0 +1,8 @@
+TODO
+====
+
+ o Get udev compiled against klibc
+
+ o Integrate hotplug-ng
+
+ o Add option to make-kpkg to use mkinitramfs

debian/changelog

@@ -0,0 +1,64 @@
+initramfs-tools (0.6) breezy; urgency=low
+
+  The "Sweep! ....  Off!" release.
+
+  * Source in the net-${DEVICE}.conf file to get IP address information.
+
+  * Add commandline parameters for NFSROOT and BOOT.
+
+  * Moving loading of boot functions to after commandline parsing.
+
+  * Allow NFSROOT variable to be set to auto to pick up value from DHCP
+    Server.
+
+ -- Jeff Bailey <jbailey@ubuntu.com>  Wed,  1 Jun 2005 12:02:40 -0400
+
+initramfs-tools (0.5) breezy; urgency=low
+
+  The "Climbing to the horizons" release.
+
+  * Update for newer udev, call "udevstart" rather than "udev udevstart"
+
+  * /etc/mkinitramfs/modules should not be a conffile.
+
+  * Support busybox.
+
+  * Fix bug where -k would delete the tmp files, and otherwise it would keep
+    them.
+
+  * Handle # for comments in the modules file.
+
+  * arch:all, not arch:any
+
+ -- Jeff Bailey <jbailey@ubuntu.com>  Tue, 31 May 2005 15:17:56 -0400
+
+initramfs-tools (0.4) breezy; urgency=low
+
+  * First upload to Ubuntu.
+
+  * Handle glibc compiled udev for now.
+
+ -- Jeff Bailey <jbailey@ubuntu.com>  Tue, 24 May 2005 14:30:07 +0000
+
+initramfs-tools (0.3) unstable; urgency=low
+
+  * Fix init and root variables
+
+ -- Jeff Bailey <jbailey@ubuntu.com>  Sat, 29 Jan 2005 17:49:08 -0500
+
+initramfs-tools (0.2) unstable; urgency=low
+
+  * Include the modules in the initrd
+  * Drop the .ko ending from the module loads.
+  * Actually chain to the sub scripts.
+  * kilbc is now named properly
+  * First cut of an NFS root implementation
+
+ -- Jeff Bailey <jbailey@ubuntu.com>  Fri, 28 Jan 2005 16:50:53 -0500
+
+initramfs-tools (0.1) unstable; urgency=low
+
+  * Initial Release.
+
+ -- Jeff Bailey <jbailey@ubuntu.com>  Thu, 27 Jan 2005 15:23:52 -0500
+

debian/compat

@@ -0,0 +1 @@
+4

debian/control

@@ -0,0 +1,12 @@
+Source: initramfs-tools
+Section: utils
+Priority: optional
+Maintainer: Jeff Bailey <jbailey@ubuntu.com>
+Build-Depends-Indep: debhelper (>= 4.0.0), cdbs, busybox-cvs-static
+Standards-Version: 3.6.1
+
+Package: initramfs-tools
+Architecture: all
+Depends: klibc-utils
+Description: tools for generting an Ubuntu-style initramfs
+ This package generates an initramfs for an Ubuntu system.

debian/copyright

@@ -0,0 +1,10 @@
+This package was debianized by Jeff Bailey <jbailey@raspberryginger.com> on
+Thu, 27 Jan 2005 15:23:52 -0500.
+
+Copyright:
+
+Author: Jeff Bailey, with some pieces for initrd-tools
+
+License:
+
+PUBLIC DOMAIN

debian/files

@@ -0,0 +1 @@
+initramfs-tools_0.6_all.deb utils optional

debian/initramfs-tools.examples

@@ -0,0 +1 @@
+conf/modules

debian/initramfs-tools.install

@@ -0,0 +1,4 @@
+mkinitramfs usr/sbin
+init usr/share/initramfs-tools
+scripts usr/share/initramfs-tools
+conf/initramfs.conf etc/mkinitramfs

debian/initramfs-tools.postinst

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+set -e
+
+if [ ! -e /etc/mkinitramfs/modules ]; then
+	cp /usr/share/doc/initramfs-tools/examples/modules /etc/mkinitramfs/
+fi
+
+#DEBHELPER#
+

debian/initramfs-tools.postrm

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+if [ "x${1}" = "xpurge" ]; then
+	rm /etc/mkinitramfs/modules
+fi
+
+#DEBHELPER#
+

debian/initramfs-tools/DEBIAN/conffiles

@@ -0,0 +1 @@
+/etc/mkinitramfs/initramfs.conf

debian/initramfs-tools/DEBIAN/control

@@ -0,0 +1,10 @@
+Package: initramfs-tools
+Version: 0.6
+Section: utils
+Priority: optional
+Architecture: all
+Depends: klibc-utils
+Installed-Size: 100
+Maintainer: Jeff Bailey <jbailey@ubuntu.com>
+Description: tools for generting an Ubuntu-style initramfs
+ This package generates an initramfs for an Ubuntu system.

debian/initramfs-tools/DEBIAN/md5sums

@@ -0,0 +1,9 @@
+741626a7104d48b15ee4f7f0f8973deb  usr/share/doc/initramfs-tools/TODO
+ed79de81154495c4c23a93b32471cb19  usr/share/doc/initramfs-tools/copyright
+12933b9f50570c11cf0f384eee619ee9  usr/share/doc/initramfs-tools/examples/modules
+35c556b7165396ffbb9daf1e33f75e80  usr/share/doc/initramfs-tools/changelog.gz
+614dec8a64e5f9798d4e0eb42219d96d  usr/share/initramfs-tools/init
+f18121fe1135572dbbea347371e8d730  usr/share/initramfs-tools/scripts/nfs
+9d5014b1fbc092a32526ffa52549193c  usr/share/initramfs-tools/scripts/local
+6ebc6e800720aab93d022fe8ef5063d5  usr/share/initramfs-tools/scripts/functions
+fd7c4a390d50d181203e0ca2007254e2  usr/sbin/mkinitramfs

debian/initramfs-tools/DEBIAN/postinst

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+set -e
+
+if [ ! -e /etc/mkinitramfs/modules ]; then
+	cp /usr/share/doc/initramfs-tools/examples/modules /etc/mkinitramfs/
+fi
+
+
+

debian/initramfs-tools/DEBIAN/postrm

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+if [ "x${1}" = "xpurge" ]; then
+	rm /etc/mkinitramfs/modules
+fi
+
+
+

debian/initramfs-tools/etc/mkinitramfs/initramfs.conf

@@ -0,0 +1,50 @@
+#
+# initramfs.conf
+#
+
+# BUSYBOX: [ y | n ]
+#
+# Use busybox if available.  You MUST use the -static version
+#
+
+BUSYBOX=n
+
+#
+# BOOT: [ local | nfs ]
+#
+# local - Boot off of local media (harddrive, USB stick).
+#
+# nfs - Boot using an NFS drive as the root of the drive.
+#
+
+BOOT=local
+
+#
+# MODULES: [ most | dep | list ]
+#
+# most - Add all framebuffer, acpi, filesystem, and harddrive drivers.
+#
+# dep - Try and guess which modules to load.
+#
+# list - Only include modules from the 'additional modules' list
+#
+MODULES=list
+
+#
+# NFS Section of the config.
+#
+
+#
+# DEVICE: ...
+#
+# Specify the network device, like eth0
+#
+
+DEVICE=eth0
+
+#
+# NFSROOT: [ auto | HOST:MOUNT ]
+#
+
+NFSROOT=auto
+

debian/initramfs-tools/usr/sbin/mkinitramfs

@@ -0,0 +1,93 @@
+#!/bin/sh
+
+. /etc/mkinitramfs/initramfs.conf
+
+usage()
+{
+	echo "-o  Output"
+	echo "-v  version"
+	echo "-k  Keep temp files"
+	exit 1
+}
+
+# Defaults
+keep="n"
+
+while getopts "ko:v:" flag; do
+	case $flag in
+	o)
+		outfile="${OPTARG}"
+		;;
+	v)
+		version="${OPTARG}"
+		;;
+	k)
+		keep="y"
+		;;
+	esac
+done
+
+if [ x${outfile} = x ]; then
+	usage
+fi
+
+if [ -d ${outfile} ]; then
+	echo "${outfile} is a directory"
+	exit 1
+fi
+
+if [ ! -e /lib/modules/${version} ]; then
+	echo "Cannot find /lib/modules/${version}"
+	exit 1
+fi
+
+TMPDIR=$(mktemp -d) || exit 1
+mkdir -p ${TMPDIR}/modules ${TMPDIR}/conf ${TMPDIR}/etc
+mkdir -p ${TMPDIR}/bin ${TMPDIR}/lib ${TMPDIR}/scripts
+
+for x in $(sed -e '/^#/d' /etc/mkinitramfs/modules); do
+	for y in $(modprobe --set-version=${version} --show-depends ${x} | awk '{ print $2 }'); do
+		# Prune duplicates
+		if [ -e ${TMPDIR}/modules/$(basename ${y}) ]; then
+			continue
+		fi
+
+		ln -s ${y} ${TMPDIR}/modules
+		echo $(basename ${y}) >>${TMPDIR}/conf/modules
+	done
+done
+
+# Have to do each file, because cpio --dereference doesn't recurse down
+# symlinks.
+
+ln -s /usr/lib/klibc/bin/* ${TMPDIR}/bin
+ln -s /usr/lib/klibc/lib/* ${TMPDIR}/lib
+ln -s /usr/share/initramfs-tools/init ${TMPDIR}/init
+ln -s /usr/share/initramfs-tools/scripts/* ${TMPDIR}/scripts
+ln -s /etc/mkinitramfs/initramfs.conf ${TMPDIR}/conf
+ln -s /etc/udev ${TMPDIR}/etc
+
+# Hack until udev is built with klibc
+ln -s /sbin/udev ${TMPDIR}/bin
+ln -s /sbin/udevstart ${TMPDIR}/bin
+ln -s /lib/libc.so.* ${TMPDIR}/lib
+ln -s /lib/ld*.so.* ${TMPDIR}/lib
+rm ${TMPDIR}/lib/*lsb*
+
+# Busybox
+if [ "x${BUSYBOX}" = "xy" ]; then
+	rm ${TMPDIR}/bin/sh
+	ln -s /bin/busybox ${TMPDIR}/bin/sh
+fi
+
+# Raid
+ln -s /sbin/mdadm ${TMPDIR}/bin
+ln -s /sbin/mdrun ${TMPDIR}/bin
+
+(cd ${TMPDIR} && find . | cpio --quiet --dereference -o -H newc | gzip -9 >${outfile})
+
+if [ "${keep}" = "y" ]; then
+	echo "Working files in ${TMPDIR}"
+else
+	rm -rf "${TMPDIR}"
+fi

debian/initramfs-tools/usr/share/doc/initramfs-tools/TODO

@@ -0,0 +1,8 @@
+TODO
+====
+
+ o Get udev compiled against klibc
+
+ o Integrate hotplug-ng
+
+ o Add option to make-kpkg to use mkinitramfs

debian/initramfs-tools/usr/share/doc/initramfs-tools/copyright

@@ -0,0 +1,10 @@
+This package was debianized by Jeff Bailey <jbailey@raspberryginger.com> on
+Thu, 27 Jan 2005 15:23:52 -0500.
+
+Copyright:
+
+Author: Jeff Bailey, with some pieces for initrd-tools
+
+License:
+
+PUBLIC DOMAIN

debian/initramfs-tools/usr/share/doc/initramfs-tools/examples/modules

@@ -0,0 +1,7 @@
+# List of modules that you want to include in your initramfs.
+# This might be good choices:
+#
+#ide-disk
+#ide-generic
+#ext2
+#ext3

debian/initramfs-tools/usr/share/initramfs-tools/init

@@ -0,0 +1,64 @@
+#!/bin/sh -x
+mkdir /sys
+mkdir /proc
+mkdir /tmp
+mount -t sysfs sysfs /sys
+mount -t proc proc /proc
+
+. /conf/initramfs.conf
+. /scripts/functions
+
+# Parse command line options
+init=/sbin/init
+root=
+ro=-r
+break=
+rootmnt=/root
+for x in $(cat /proc/cmdline); do
+	case $x in
+	init=*)
+		INIT=${x#init=}
+		;;
+	root=*)
+		ROOT=${x#root=}
+		;;
+	nfsroot=*)
+		NFSROOT=${x#nfsroot=}
+		;;
+	boot=*)
+		BOOT=${x#boot=}
+		;;
+	ro)
+		ro=-r
+		;;
+	rw)
+		ro=-w
+		;;
+	break)
+		break=yes
+		;;
+	esac
+done
+
+. /scripts/${BOOT}
+
+# Load the modules
+# FIXME - do module options here
+for x in $(cat /conf/modules); do
+	insmod /modules/$x
+done
+
+# Populate /dev tree
+udevstart
+
+if [ x${break} = xyes ]; then 
+	panic "Spawning shell within the initramfs"
+fi
+
+mountroot
+
+umount /sys
+umount /proc
+
+# Chain to real filesystem
+exec run-init ${rootmnt} ${init} "$@"

debian/initramfs-tools/usr/share/initramfs-tools/scripts/functions

@@ -0,0 +1,9 @@
+panic()
+{
+	echo $@
+	if [ -e /bin/busybox ]; then
+		FS1='(initramfs) ' exec /bin/busybox sh
+	else
+		FS1='(initramfs) ' exec /bin/sh
+	fi
+}

debian/initramfs-tools/usr/share/initramfs-tools/scripts/local

@@ -0,0 +1,15 @@
+# Local filesystem mounting
+
+# Parameter: Where to mount the filesystem
+mountroot ()
+{
+	# Get the root filesystem type
+	if [ ! -e ${ROOT} ]; then
+		panic "ALERT!  ${ROOT} does not exist.  Dropping to a shell!"
+	fi
+
+	eval $(fstype < ${ROOT})
+
+	# Mount root
+	mount ${ro} -t ${FSTYPE} ${ROOT} ${rootmnt}
+}

debian/initramfs-tools/usr/share/initramfs-tools/scripts/nfs

@@ -0,0 +1,11 @@
+
+# Paramter: Where the root should be mounted
+mountroot ()
+{
+	ipconfig ${DEVICE}
+	. /tmp/net-${DEVICE}.conf
+	if [ "x${NFSROOT}" = "xauto" ]; then
+		NFSROOT=${ROOTSERVER}:${ROOTPATH}
+	fi
+	nfsmount ${NFSROOT} ${rootmnt}
+}

debian/rules

@@ -0,0 +1,6 @@
+#!/usr/bin/make -f
+
+include /usr/share/cdbs/1/rules/debhelper.mk
+
+common-build-arch::
+	chmod +x init

init

@@ -0,0 +1,64 @@
+#!/bin/sh -x
+mkdir /sys
+mkdir /proc
+mkdir /tmp
+mount -t sysfs sysfs /sys
+mount -t proc proc /proc
+
+. /conf/initramfs.conf
+. /scripts/functions
+
+# Parse command line options
+init=/sbin/init
+root=
+ro=-r
+break=
+rootmnt=/root
+for x in $(cat /proc/cmdline); do
+	case $x in
+	init=*)
+		INIT=${x#init=}
+		;;
+	root=*)
+		ROOT=${x#root=}
+		;;
+	nfsroot=*)
+		NFSROOT=${x#nfsroot=}
+		;;
+	boot=*)
+		BOOT=${x#boot=}
+		;;
+	ro)
+		ro=-r
+		;;
+	rw)
+		ro=-w
+		;;
+	break)
+		break=yes
+		;;
+	esac
+done
+
+. /scripts/${BOOT}
+
+# Load the modules
+# FIXME - do module options here
+for x in $(cat /conf/modules); do
+	insmod /modules/$x
+done
+
+# Populate /dev tree
+udevstart
+
+if [ x${break} = xyes ]; then 
+	panic "Spawning shell within the initramfs"
+fi
+
+mountroot
+
+umount /sys
+umount /proc
+
+# Chain to real filesystem
+exec run-init ${rootmnt} ${init} "$@"

mkinitramfs

@@ -0,0 +1,93 @@
+#!/bin/sh
+
+. /etc/mkinitramfs/initramfs.conf
+
+usage()
+{
+	echo "-o  Output"
+	echo "-v  version"
+	echo "-k  Keep temp files"
+	exit 1
+}
+
+# Defaults
+keep="n"
+
+while getopts "ko:v:" flag; do
+	case $flag in
+	o)
+		outfile="${OPTARG}"
+		;;
+	v)
+		version="${OPTARG}"
+		;;
+	k)
+		keep="y"
+		;;
+	esac
+done
+
+if [ x${outfile} = x ]; then
+	usage
+fi
+
+if [ -d ${outfile} ]; then
+	echo "${outfile} is a directory"
+	exit 1
+fi
+
+if [ ! -e /lib/modules/${version} ]; then
+	echo "Cannot find /lib/modules/${version}"
+	exit 1
+fi
+
+TMPDIR=$(mktemp -d) || exit 1
+mkdir -p ${TMPDIR}/modules ${TMPDIR}/conf ${TMPDIR}/etc
+mkdir -p ${TMPDIR}/bin ${TMPDIR}/lib ${TMPDIR}/scripts
+
+for x in $(sed -e '/^#/d' /etc/mkinitramfs/modules); do
+	for y in $(modprobe --set-version=${version} --show-depends ${x} | awk '{ print $2 }'); do
+		# Prune duplicates
+		if [ -e ${TMPDIR}/modules/$(basename ${y}) ]; then
+			continue
+		fi
+
+		ln -s ${y} ${TMPDIR}/modules
+		echo $(basename ${y}) >>${TMPDIR}/conf/modules
+	done
+done
+
+# Have to do each file, because cpio --dereference doesn't recurse down
+# symlinks.
+
+ln -s /usr/lib/klibc/bin/* ${TMPDIR}/bin
+ln -s /usr/lib/klibc/lib/* ${TMPDIR}/lib
+ln -s /usr/share/initramfs-tools/init ${TMPDIR}/init
+ln -s /usr/share/initramfs-tools/scripts/* ${TMPDIR}/scripts
+ln -s /etc/mkinitramfs/initramfs.conf ${TMPDIR}/conf
+ln -s /etc/udev ${TMPDIR}/etc
+
+# Hack until udev is built with klibc
+ln -s /sbin/udev ${TMPDIR}/bin
+ln -s /sbin/udevstart ${TMPDIR}/bin
+ln -s /lib/libc.so.* ${TMPDIR}/lib
+ln -s /lib/ld*.so.* ${TMPDIR}/lib
+rm ${TMPDIR}/lib/*lsb*
+
+# Busybox
+if [ "x${BUSYBOX}" = "xy" ]; then
+	rm ${TMPDIR}/bin/sh
+	ln -s /bin/busybox ${TMPDIR}/bin/sh
+fi
+
+# Raid
+ln -s /sbin/mdadm ${TMPDIR}/bin
+ln -s /sbin/mdrun ${TMPDIR}/bin
+
+(cd ${TMPDIR} && find . | cpio --quiet --dereference -o -H newc | gzip -9 >${outfile})
+
+if [ "${keep}" = "y" ]; then
+	echo "Working files in ${TMPDIR}"
+else
+	rm -rf "${TMPDIR}"
+fi

scripts/functions

@@ -0,0 +1,9 @@
+panic()
+{
+	echo $@
+	if [ -e /bin/busybox ]; then
+		FS1='(initramfs) ' exec /bin/busybox sh
+	else
+		FS1='(initramfs) ' exec /bin/sh
+	fi
+}

scripts/local

@@ -0,0 +1,15 @@
+# Local filesystem mounting
+
+# Parameter: Where to mount the filesystem
+mountroot ()
+{
+	# Get the root filesystem type
+	if [ ! -e ${ROOT} ]; then
+		panic "ALERT!  ${ROOT} does not exist.  Dropping to a shell!"
+	fi
+
+	eval $(fstype < ${ROOT})
+
+	# Mount root
+	mount ${ro} -t ${FSTYPE} ${ROOT} ${rootmnt}
+}

scripts/nfs

@@ -0,0 +1,11 @@
+
+# Paramter: Where the root should be mounted
+mountroot ()
+{
+	ipconfig ${DEVICE}
+	. /tmp/net-${DEVICE}.conf
+	if [ "x${NFSROOT}" = "xauto" ]; then
+		NFSROOT=${ROOTSERVER}:${ROOTPATH}
+	fi
+	nfsmount ${NFSROOT} ${rootmnt}
+}