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authorJames Meyer <James.meyer@operamail.com>2008-10-02 03:19:12 (GMT)
committerJames Meyer <James.meyer@operamail.com>2008-10-02 03:19:12 (GMT)
commit0e2532d4e8f4eed5e047f1db54d5c03ba849ec0a (patch)
treec0aa2c0b53c317be87eacfcb77b63f53f1f415e7 /abs/core-testing/linhes-live/lib
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initial import
Diffstat (limited to 'abs/core-testing/linhes-live/lib')
-rwxr-xr-xabs/core-testing/linhes-live/lib/initcpio/gen_larch_init12
-rw-r--r--abs/core-testing/linhes-live/lib/initcpio/hooks/larch1120
-rw-r--r--abs/core-testing/linhes-live/lib/initcpio/hooks/larch233
-rw-r--r--abs/core-testing/linhes-live/lib/initcpio/hooks/larch2_aufs33
-rw-r--r--abs/core-testing/linhes-live/lib/initcpio/hooks/larch3192
-rw-r--r--abs/core-testing/linhes-live/lib/initcpio/install/larch115
-rw-r--r--abs/core-testing/linhes-live/lib/initcpio/install/larch215
-rw-r--r--abs/core-testing/linhes-live/lib/initcpio/install/larch2_aufs15
-rw-r--r--abs/core-testing/linhes-live/lib/initcpio/install/larch318
-rwxr-xr-xabs/core-testing/linhes-live/lib/initcpio/kinit6
-rw-r--r--abs/core-testing/linhes-live/lib/initcpio/mkinitcpio.conf54
11 files changed, 513 insertions, 0 deletions
diff --git a/abs/core-testing/linhes-live/lib/initcpio/gen_larch_init b/abs/core-testing/linhes-live/lib/initcpio/gen_larch_init
new file mode 100755
index 0000000..d834e8f
--- /dev/null
+++ b/abs/core-testing/linhes-live/lib/initcpio/gen_larch_init
@@ -0,0 +1,12 @@
+#! /bin/bash
+
+# gen_larch_init
+#
+# Author: Michael Towers <gradgrind[at]online[dot]de>
+
+# Create an initramfs for a larch live system
+# $1 - kernel version
+
+# The cpio.gz image is generated in larch.img
+
+/sbin/mkinitcpio -c /lib/initcpio/mkinitcpio.conf -k $1 -g larch.img
diff --git a/abs/core-testing/linhes-live/lib/initcpio/hooks/larch1 b/abs/core-testing/linhes-live/lib/initcpio/hooks/larch1
new file mode 100644
index 0000000..e1a3753
--- /dev/null
+++ b/abs/core-testing/linhes-live/lib/initcpio/hooks/larch1
@@ -0,0 +1,120 @@
+# vim: set ft=sh:
+
+# larch1 - live 'hook' for mkinitcpio: set up tmpfs and find boot device
+
+# Author: Michael Towers (gradgrind) <mt.42@web.de>
+#
+# This file is part of the larch project.
+#
+# larch is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# larch is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with larch; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#
+#----------------------------------------------------------------------------
+#2008.02.11
+
+# Replacement for msg which includes leading and trailing spaces
+msg_ () { [ "${quiet}" != "y" ] && echo "$@"; }
+
+# Try to mount a disk, partition or cdrom and look for the file
+# 'larchboot' in the /larch directory.
+# If LiveCD system found in the device, return 0, else return 1
+# and leave the device mounted.
+# $1 = device name (e.g. "/dev/hda2")
+# $2 = directory where devices will be mounted
+#
+test_live_data_dir ()
+{
+ /bin/mount -r -t iso9660 "$1" $2 >/dev/null 2>/dev/null || \
+ /bin/mount -r -t vfat -o noatime,nodiratime "$1" $2 >/dev/null 2>/dev/null || \
+ /bin/mount -r -t ext2 -o noatime,nodiratime "$1" $2 >/dev/null 2>/dev/null
+ if [ $? -eq 0 ]; then
+ if [ -f "$2/larch/larchboot" ]; then
+ LDEV="$1"
+ msg_ " ... found at $1"
+ return 0
+ else
+ /bin/umount $2 2>/dev/null
+ msg_ " ... $1 mounted, but no 'larch/larchboot' found"
+ fi
+ else
+ msg_ " ... not $1"
+ fi
+ return 1
+}
+
+run_hook ()
+{
+ msg_ ":: Creating writeable filesystem (tmpfs)"
+ /bin/mkdir "/tfs"
+ # Boot option copy-to-ram (c2r)
+ if [ "${c2r}" = "y" ]; then
+ TFSSIZE="90%"
+ else
+ TFSSIZE="60%"
+ fi
+ /bin/mount -t tmpfs -o "size=${TFSSIZE}" tmpfs "/tfs"
+
+ # Directory for test mounts (and then for live CD)
+ cdmount="/livecd"
+ /bin/mkdir "${cdmount}"
+
+ # look for livecd data directory, first try ${root}
+ LDEV="${root}"
+ if [ "x${LDEV}" != "x" ]; then
+ /bin/mount -r -t iso9660 "${LDEV}" "${cdmount}" >/dev/null 2>/dev/null || \
+ /bin/mount -r -t vfat -o noatime,nodiratime "${LDEV}" "${cdmount}" >/dev/null 2>/dev/null || \
+ /bin/mount -r -t ext2 -o noatime,nodiratime "${LDEV}" "${cdmount}" >/dev/null 2>/dev/null
+ if [ $? -eq 0 ]; then
+ if [ -d "${cdmount}/larch" ]; then
+ msg_ ":: larch system at ${LDEV}"
+ else
+ /bin/umount "${cdmount}" 2>/dev/null
+ echo "!! No larch system at ${LDEV}"
+ LDEV=""
+ fi
+ else
+ echo "!! Couldn't mount ${LDEV}"
+ LDEV=""
+ fi
+ fi
+
+ # then try cdroms
+ if [ "x${LDEV}" = "x" ]; then
+ msg_ ":: Looking for boot device"
+ cdroms=$( /bin/cat /proc/sys/dev/cdrom/info | { while read a b c; do
+ if [ "${a}" = "drive" -a "${b}" = "name:" ]; then
+ echo "${c}"
+ break
+ fi
+ done
+ } )
+ for i in ${cdroms}; do
+ test_live_data_dir "/dev/${i}" "${cdmount}"
+ if [ $? -eq 0 ]; then break; fi
+ done
+ fi
+
+ # test USB devices (and disks) repeatedly until timed out
+ if [ "x${LDEV}" = "x" ]; then
+ msg_ ":: Searching for usb (and disk) devices .."
+ for i in 1 2 3 4 5; do
+ msg_ " :wait ${i} :::"
+ /bin/sleep ${i}
+ for d in /dev/sd[a-z][0-9]*; do
+ test_live_data_dir "${d}" "${cdmount}"
+ if [ $? -eq 0 ]; then break 2; fi
+ done
+ done
+ fi
+}
diff --git a/abs/core-testing/linhes-live/lib/initcpio/hooks/larch2 b/abs/core-testing/linhes-live/lib/initcpio/hooks/larch2
new file mode 100644
index 0000000..74b4e64
--- /dev/null
+++ b/abs/core-testing/linhes-live/lib/initcpio/hooks/larch2
@@ -0,0 +1,33 @@
+# larch2 - live 'hook' for mkinitcpio: unionfs specific
+
+# Author: Michael Towers (gradgrind) <mt.42@web.de>
+#
+# This file is part of the larch project.
+#
+# larch is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# larch is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with larch; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#
+#----------------------------------------------------------------------------
+#2007.12.13
+
+run_hook ()
+{
+ #!!! --- unionfs specific
+ # Need unionfs module
+ /bin/modprobe unionfs
+ ovlmnt="ro"
+ bropt="dirs="
+ sqfmnt="ro"
+ utype="unionfs"
+}
diff --git a/abs/core-testing/linhes-live/lib/initcpio/hooks/larch2_aufs b/abs/core-testing/linhes-live/lib/initcpio/hooks/larch2_aufs
new file mode 100644
index 0000000..ac8e40b
--- /dev/null
+++ b/abs/core-testing/linhes-live/lib/initcpio/hooks/larch2_aufs
@@ -0,0 +1,33 @@
+# larch2_aufs - live 'hook' for mkinitcpio: aufs specific
+
+# Author: Michael Towers (gradgrind) <mt.42@web.de>
+#
+# This file is part of the larch project.
+#
+# larch is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# larch is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with larch; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#
+#----------------------------------------------------------------------------
+# 2008.02.29
+
+run_hook ()
+{
+ #!!! --- aufs specific
+ # Need aufs module
+ /bin/modprobe aufs
+ ovlmnt="rr+wh"
+ sqfmnt="rr"
+ bropt="br:"
+ utype="aufs"
+}
diff --git a/abs/core-testing/linhes-live/lib/initcpio/hooks/larch3 b/abs/core-testing/linhes-live/lib/initcpio/hooks/larch3
new file mode 100644
index 0000000..47be81a
--- /dev/null
+++ b/abs/core-testing/linhes-live/lib/initcpio/hooks/larch3
@@ -0,0 +1,192 @@
+# larch3 - live 'hook' for mkinitcpio:
+# deal with c2r,
+# mount base system,
+# load overlay,
+# set up unioned root filesystem.
+# Also manages overlay merging.
+
+# Author: Michael Towers <gradgrind[at]online[dot]de>
+#
+# This file is part of the larch project.
+#
+# larch is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# larch is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with larch; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#
+#----------------------------------------------------------------------------
+# 2008.04.04
+
+run_hook ()
+{
+ if [ "x${LDEV}" = "x" ]; then
+ err "Sorry, couldn't find boot medium ..."
+ break="y"
+ return
+ fi
+
+ /sbin/modprobe loop
+
+ # Path to compressed base system
+ sysSqf=${cdmount}/system.sqf
+
+ ovlpath=${cdmount}
+
+ # A possibility to use alternative files:
+ if [ -f ${cdmount}/larch/boot-init ]; then
+ . ${cdmount}/larch/boot-init
+ fi
+
+ # Path to compressed 'modifications' archive
+ modsSqf=${ovlpath}/mods.sqf
+ # Default overlay file and directory
+ overlay=${ovlpath}/overlay.ovl
+
+ # Make union root
+ /bin/mkdir /union
+
+ # Deal with new archives
+ if [ -f ${overlay}_ ]; then
+ /bin/mount -o remount,rw ${LDEV} ${cdmount}
+ /bin/mv ${overlay} ${overlay}~
+ /bin/mv ${overlay}_ ${overlay}
+
+ if [ -f ${modsSqf}_ ]; then
+ /bin/mv ${modsSqf} ${modsSqf}~
+ /bin/mv ${modsSqf}_ ${modsSqf}
+ fi
+ /bin/mount -o remount,ro ${LDEV} ${cdmount}
+ fi
+
+ # Boot option copy-to-ram (c2r)
+ if [ "${c2r}" = "y" ]; then
+ msg_ ":: Copying base system to RAM, this will take a while ..."
+ /bin/cat ${sysSqf} > /tfs/system.sqf
+ if [ $? -ne 0 ]; then
+ err "Sorry, not enough RAM"
+ break="y"
+ return
+ fi
+ sysSqf=/tfs/system.sqf
+
+ msg_ ":: Copying mods archive to RAM, this might take a while ..."
+ /bin/cat ${modsSqf} > /tfs/mods.sqf
+ if [ $? -ne 0 ]; then
+ err "Sorry, not enough RAM"
+ break="y"
+ return
+ fi
+ modsSqf=/tfs/mods.sqf
+
+ # force use of swap (if available)
+ :> /tfs/swapon
+
+ elif [ "${swap}" = "y" ]; then
+ :> /tfs/swapon
+ fi
+
+ msg_ ":: Mounting squashed images"
+ /bin/mkdir /tfs/system
+ # The klibc mount command doesn't support '-o loop'
+ /bin/losetup /dev/loop0 ${sysSqf}
+ /bin/mount -r -t squashfs /dev/loop0 /tfs/system
+
+ # Make stuff in 'system' available by providing the loader and
+ # library path
+ ldli=$( cd /tfs/system; echo lib/ld-linux*.so.2 )
+ /bin/ln -s /tfs/system/${ldli} /${ldli}
+ export LD_LIBRARY_PATH=/tfs/system/lib:/tfs/system/usr/lib
+
+ /bin/mkdir /tfs/mods
+ # The klibc mount command doesn't support '-o loop'
+ /bin/losetup /dev/loop1 ${modsSqf}
+ /bin/mount -r -t squashfs /dev/loop1 /tfs/mods
+
+ # Unpack the overlay
+ msg_ ":: Initializing writable layer for union (overlay)"
+ /tfs/system/usr/bin/lzop -d < ${overlay} | \
+ /tfs/system/bin/tar -C /tfs -xf -
+
+ # Copy the installation tidy-up script (for removing custom live-only stuff),
+ # and any other files in 'larch/copy' directory
+ if [ -d ${ovlpath}/larch/copy ]; then
+ cd ${ovlpath}/larch/copy
+ for f in *; do
+ cat ${f} >/tfs/${f}
+ done
+ fi
+
+ msg_ ":: Setting up union file system"
+
+ layers="/tfs/overlay=rw:/tfs/mods=${ovlmnt}:/tfs/system=${sqfmnt}"
+ /bin/mount -t ${utype} -o ${bropt}${layers} ${utype} /union
+
+ echo "${utype}" > /tfs/utype
+
+ # Minimal device nodes needed before udev does its work
+ /bin/mkdir /union/dev
+ /bin/mknod /union/dev/console c 5 1
+ /bin/mknod /union/dev/null c 1 3
+ /bin/mknod /union/dev/zero c 1 5
+
+ # Make special directories
+ /bin/mkdir -m 1777 /union/tmp
+ /bin/mkdir /union/media
+ /bin/mkdir /union/sys
+ /bin/mkdir /union/proc
+
+ # Make the tmpfs stuff accessible within the union
+ /bin/mkdir /union/.livesys
+ /bin/mount -o bind /tfs /union/.livesys
+
+ /bin/mkdir /union/.livesys/medium
+
+ /bin/mount -o bind /tfs/system /union/.livesys/system
+ /bin/mount -o bind /tfs/overlay /union/.livesys/overlay
+ /bin/mount -o bind ${cdmount} /union/.livesys/medium
+
+ if [ "x${modsSqf}" != "x" ]; then
+ /bin/mount -o move /tfs/mods /union/.livesys/mods
+ fi
+
+ # Remember the boot device
+ echo "${LDEV}" > /tfs/bootdevice
+
+ if [ "${c2r}" = "y" ]; then
+ # Set flag to inform system of copy-to-ram
+ :> /tfs/c2r
+
+ # Unmount boot device
+ /bin/umount ${cdmount}
+ fi
+
+ msg_ ":: End of live system set-up"
+
+ # Now some tweaks to alter 'init' actions from non-larch hooks, etc.
+ # Override rootdelay from usb hook
+ if [ "x${larchdelay}" = "x" ]; then
+ # To avoid spurious udevd pid numbers
+ export rootdelay=1
+ else
+ # Allow adjustment via boot option
+ export rootdelay=${larchdelay}
+ fi
+ # root must be set to something or other, even though larch doesn't
+ # need it ...
+ export root="/dev/loop0"
+}
+
+#######
+# The actual root switch occurs later, when 'init' execs 'kinit'.
+# I handle this by overwriting the 'kinit' binary with my own script.
+# This will unmount dev, sys and proc and then exec run-init.
+#######
diff --git a/abs/core-testing/linhes-live/lib/initcpio/install/larch1 b/abs/core-testing/linhes-live/lib/initcpio/install/larch1
new file mode 100644
index 0000000..56baf48
--- /dev/null
+++ b/abs/core-testing/linhes-live/lib/initcpio/install/larch1
@@ -0,0 +1,15 @@
+install ()
+{
+ MODULES="vfat isofs ext2 ext3 nls_cp437"
+ BINARIES=""
+ FILES=""
+ SCRIPT="larch1"
+}
+
+help ()
+{
+cat<<HELPEOF
+ This hook deals with booting a larch live CD. It is the first larch hook,
+creating a tmpfs and seeking the boot medium.
+HELPEOF
+}
diff --git a/abs/core-testing/linhes-live/lib/initcpio/install/larch2 b/abs/core-testing/linhes-live/lib/initcpio/install/larch2
new file mode 100644
index 0000000..a906227
--- /dev/null
+++ b/abs/core-testing/linhes-live/lib/initcpio/install/larch2
@@ -0,0 +1,15 @@
+install ()
+{
+ MODULES="unionfs"
+ BINARIES=""
+ FILES=""
+ SCRIPT="larch2"
+}
+
+help ()
+{
+cat<<HELPEOF
+ This hook deals with booting a larch live CD. It handles selection of the
+desired unioning file system, here unionfs.
+HELPEOF
+}
diff --git a/abs/core-testing/linhes-live/lib/initcpio/install/larch2_aufs b/abs/core-testing/linhes-live/lib/initcpio/install/larch2_aufs
new file mode 100644
index 0000000..0e19de9
--- /dev/null
+++ b/abs/core-testing/linhes-live/lib/initcpio/install/larch2_aufs
@@ -0,0 +1,15 @@
+install ()
+{
+ MODULES="aufs"
+ BINARIES=""
+ FILES=""
+ SCRIPT="larch2_aufs"
+}
+
+help ()
+{
+cat<<HELPEOF
+ This hook deals with booting a larch live CD. It handles selection of the
+desired unioning file system, here aufs.
+HELPEOF
+}
diff --git a/abs/core-testing/linhes-live/lib/initcpio/install/larch3 b/abs/core-testing/linhes-live/lib/initcpio/install/larch3
new file mode 100644
index 0000000..7dad03c
--- /dev/null
+++ b/abs/core-testing/linhes-live/lib/initcpio/install/larch3
@@ -0,0 +1,18 @@
+install ()
+{
+ MODULES="squashfs loop reiserfs"
+ BINARIES=""
+ FILES=""
+ SCRIPT="larch3"
+# add_file "/lib/initcpio/kinit" "/bin/kinit" ##### This doesn't work, so:
+ sed -i 's|.*/usr/lib/klibc/bin/kinit\.shared.*||' "${FILELIST}"
+ sed -i 's|/usr/lib/klibc/bin/kinit|/lib/initcpio/kinit|' "${FILELIST}"
+}
+
+help ()
+{
+cat<<HELPEOF
+ This hook deals with booting a larch live CD. It is the last larch hook,
+setting up the tmpfs root file system.
+HELPEOF
+}
diff --git a/abs/core-testing/linhes-live/lib/initcpio/kinit b/abs/core-testing/linhes-live/lib/initcpio/kinit
new file mode 100755
index 0000000..7c86f4b
--- /dev/null
+++ b/abs/core-testing/linhes-live/lib/initcpio/kinit
@@ -0,0 +1,6 @@
+#! /bin/sh
+
+umount /sys
+umount /proc
+umount /dev
+exec run-init -c /dev/console /union /sbin/init ${CMDLINE}
diff --git a/abs/core-testing/linhes-live/lib/initcpio/mkinitcpio.conf b/abs/core-testing/linhes-live/lib/initcpio/mkinitcpio.conf
new file mode 100644
index 0000000..79cca21
--- /dev/null
+++ b/abs/core-testing/linhes-live/lib/initcpio/mkinitcpio.conf
@@ -0,0 +1,54 @@
+# vim:set ft=sh
+# MODULES
+# The following modules are loaded before any boot hooks are
+# run. Advanced users may wish to specify all system modules
+# in this array. For instance:
+# MODULES="piix ide_disk reiserfs"
+MODULES=""
+
+# BINARIES
+# This setting includes, into the CPIO image, and additional
+# binaries a given user may wish. This is run first, so may
+# be used to override the actual binaries used in a given hook.
+# (Existing files are NOT overwritten is already added)
+# BINARIES are dependancy parsed, so you may safely ignore libraries
+#BINARIES=""
+
+# FILES
+# This setting is similar to BINARIES above, however, files are added
+# as-is and are not parsed in anyway. This is useful for config files.
+# Some users may wish to include modprobe.conf for custom module options,
+# like so:
+# FILES="/etc/modprobe.conf"
+FILES=""
+
+# HOOKS
+# This is the most important setting in this file. The HOOKS control the
+# modules and scripts added to the image, and what happens at boot time.
+# Order is important, and it is recommended that you do not change the
+# order in which HOOKS are added. Run 'mkinitcpio -H <hook name>' for
+# help on a given hook.
+# 'base' is _required_ unless you know precisely what you are doing.
+# 'udev' is _required_ in order to automatically load modules
+# 'modload' may be used in place of 'udev', but is not recommended
+# 'filesystems' is _required_ unless you specify your fs modules in MODULES
+# Examples:
+# This setup specifies all modules in the MODULES setting above.
+# No raid, lvm, or encrypted root is needed.
+# HOOKS="base"
+#
+# This setup will autodetect all modules for your system and should
+# work as a sane default
+# HOOKS="base udev autodetect ide scsi sata filesystems"
+#
+# This setup will generate a 'full' image which supports most systems.
+# No autodetection is done.
+# HOOKS="base udev ide scsi sata usb filesystems"
+#
+# This setup assembles an ide raid array with an encrypted root FS.
+# Note: See 'mkinitcpio -H raid' for more information on raid devices.
+# HOOKS="base udev ide filesystems raid encrypt"
+#
+# This setup loads an LVM volume group on a usb device.
+# HOOKS="base udev usb filesystems lvm"
+HOOKS="base udev pata scsi sata usb larch1 larch2___aufs___ larch3"