diff options
Diffstat (limited to 'recipes/slugos-init/files/boot')
| -rw-r--r-- | recipes/slugos-init/files/boot/disk | 83 | ||||
| -rw-r--r-- | recipes/slugos-init/files/boot/flash | 29 | ||||
| -rw-r--r-- | recipes/slugos-init/files/boot/kexec | 203 | ||||
| -rw-r--r-- | recipes/slugos-init/files/boot/network | 41 | ||||
| -rw-r--r-- | recipes/slugos-init/files/boot/nfs | 31 | ||||
| -rw-r--r-- | recipes/slugos-init/files/boot/ram | 64 | ||||
| -rw-r--r-- | recipes/slugos-init/files/boot/udhcpc.script | 17 |
7 files changed, 468 insertions, 0 deletions
diff --git a/recipes/slugos-init/files/boot/disk b/recipes/slugos-init/files/boot/disk new file mode 100644 index 0000000000..1829033d4e --- /dev/null +++ b/recipes/slugos-init/files/boot/disk @@ -0,0 +1,83 @@ +#!/bin/sh +# boot from the hard disk partition "$1" (which +# must be given) using options from the rest of +# the command line. + +# Use the standard init path (see /etc/init.d/rcS) +export PATH=/sbin:/bin:/usr/sbin:/usr/bin + +# Mount required fileystems if necessary +[ -e /proc/cpuinfo ] || mount -t proc proc /proc +[ -e /sys/class ] || mount -t sysfs sysfs /sys + +# Load the helper functions +. /etc/default/functions +. /etc/default/modulefunctions + +leds boot system + +if test -n "$1" +then + device="$1" + shift + # load USB & SCSI storage modules (/proc required!) + echo "boot: loading modules required for disk boot" + loaddiskmods + # waiting for disk + if test "$sleep" -gt 0 + then + echo "boot: waiting $sleep seconds for disk" + sleep "$sleep" + fi + # Attempt to assemble the RAID if necessary + if (echo $device | grep -q "^/dev/md") + then + if test -n "$MDUUID" + then + echo "boot: assembling RAID array (UUID)" + mdadm -Acpartitions --auto=md --uuid="$MDUUID" $device + else + echo "boot: assembling RAID array (config file)" + mdadm -As --auto=md $device + fi + fi + + # fire the boot + echo "boot: rootfs: mount $* $device [$UUID]" + + # Mount read-write because before exec'ing init + # If a UUID is given (in the environment) this + # is used in preference to the device, but if + # the UUID mount fails a standard device mount + # is attempted. + if test -n "$UUID" && + mount "$@" UUID="$UUID" /mnt || + mount "$@" "$device" /mnt + then + # checkmount checks for sh, chroot, init, /dev + # and /mnt (i.e. /mnt/mnt in this case). + # minimaldevnodes checks (and creates if required) + # a few mandatory /dev nodes we may need. + if checkmount /mnt && minimaldevnodes /mnt + then + # pivot to /initrd if available, else /mnt + cd / + if test -d /mnt/initrd + then + swivel mnt initrd + else + swivel mnt mnt + fi + # swivel failed + fi + # Failure: unmount the partition + umount /mnt + # Remount /proc and /sys if necessary + [ -e /proc/cpuinfo ] || mount -t proc proc /proc + [ -e /sys/class ] || mount -t sysfs sysfs /sys + fi +fi + +# fallback - use the flash boot +leds beep -f 1000 -r 2 +exec /boot/flash diff --git a/recipes/slugos-init/files/boot/flash b/recipes/slugos-init/files/boot/flash new file mode 100644 index 0000000000..01c20e963a --- /dev/null +++ b/recipes/slugos-init/files/boot/flash @@ -0,0 +1,29 @@ +#!/bin/sh +# boot from the current (flash) root partition +# nothing need be done apart from setting the +# system LED status correctly + +# Mount required filesystems if necessary +[ -e /proc/cpuinfo ] || mount -t proc proc /proc +[ -e /sys/class ] || mount -t sysfs sysfs /sys + +leds beep +. /etc/default/functions +leds boot system + +if [ -x /sbin/init ] +then + umount /proc 2>/dev/null + umount /sys 2>/dev/null + exec /sbin/init +fi + +# fallback if /sbin/init has been deleted (bad!) +# Mount required filesystems if necessary +[ -e /proc/cpuinfo ] || mount -t proc proc /proc +[ -e /sys/class ] || mount -t sysfs sysfs /sys +leds boot system panic +exec <>/dev/console >&0 2>&0 +test -x /sbin/sulogin && exec /sbin/sulogin +test -x /bin/sh && exec /bin/sh +exit 1 diff --git a/recipes/slugos-init/files/boot/kexec b/recipes/slugos-init/files/boot/kexec new file mode 100644 index 0000000000..a60be03142 --- /dev/null +++ b/recipes/slugos-init/files/boot/kexec @@ -0,0 +1,203 @@ +#!/bin/sh +# +# Loads the specified kernel and kexecs it. + +# The access method and path from which to fetch the kernel +# is specified in "$1" and "$2": +# +# flash /boot/zImage-ixp4xxbe +# nfs spike:/home/slug/vmlinuz +# wget http://devserv/kernels/vmlinuzbe +# wget ftp://ftpserv/pub/zImage +# /dev/sda1 /kernels/zImage-test +# UUID /kernels/zImage-test +# tftp server:/pub/kernels/vmlinuz +# +# Command-line options for the new kernel are in "$3". + + +# In order to use this, you must exec this script from the /linuxrc file. +# +# This sample linuxrc script boots from external disk. The last line of +# this example (exec /boot/flash) is a fallback; it will not normally be +# executed unless /boot/kexec is missing or damaged. +#-------------------- +# #!/bin/sh +# sleep=8 exec /boot/kexec /dev/sda1 /boot/zImage-ixp4xxbe \ +# "console=ttyS0,115200n8 root=/dev/sda1 rootfstype=ext3 rw init=/linuxrc" +# exec /boot/flash +#-------------------- +# +# This one boots from flash in the normal fashion, except the kernel is +# loaded using wget. This is common for kernel debugging. +#-------------------- +# #!/bin/sh +# exec /boot/kexec wget http://myserver/boot/zImage-ixp4xxbe \ +# "console=ttyS0,115200n8 root=/dev/mtdblock4 rootfstype=jffs2 rw \ +# init=/boot/flash noirqdebug" +# exec /boot/flash +#-------------------- + + +# Use the standard init path (see /etc/init.d/rcS) +export PATH=/sbin:/bin:/usr/sbin:/usr/bin + +# Wait at least a short while for the disks... +if [ ! "$sleep" -gt 0 ] ; then + sleep=1 +fi + +# Load the helper functions +. /etc/default/functions +. /etc/default/modulefunctions + +# Print a distinctive banner to make it easy to separate the in-flash +# kernel boot from the kexec'd kernel boot when looking at logs, etc. +echo '###########################################################' +echo '###################### KEXEC ######################' + +leds boot system + +if [ -n "$1" -a -n "$2" ] ; then + + method="$1" + shift + kpath="$1" + shift + if [ -n "$1" ] ; then + kcmdline="$1" + shift + fi + kexec_image= + need_umount=0 + do_kexec=0 + + mount -t proc proc /proc + + case "$method" in + + flash ) + echo "Loading kexec kernel directly from \"$kpath\"..." + kexec_image="$kpath" + ;; + + wget ) + if /boot/network ; then + echo "mounting tmpfs partition..." + if mount -t tmpfs tmpfs /mnt ; then + need_umount=1 + echo "Loading kexec kernel using wget \"$kpath\"..." + wget -P /mnt "$kpath" + t=`basename "$kpath"` + kexec_image="/mnt/$t" + fi + fi + ;; + + nfs ) + if /boot/network ; then + echo "Loading kexec kernel using nfs \"$kpath\"..." + echo "mounting nfs partition..." + loadnfsmods + if mount -o ro,nolock -t nfs `dirname "$kpath"` /mnt ; then + need_umount=1 + t=`basename "$kpath"` + kexec_image="/mnt/$t" + fi + fi + ;; + + /dev/* ) + echo "Loading kexec kernel using disk \"$kpath\"..." + loaddiskmods + sleep "$sleep" + echo "mounting partition \"$method\"..." + if mount -o ro "$method" /mnt ; then + need_umount=1 + kexec_image="/mnt/$kpath" + fi + ;; + + UUID ) + echo "Loading kexec kernel using disk UUID \"$kpath\"..." + loaddiskmods + sleep "$sleep" + if [ -n "$UUID" ] ; then + echo "mounting partition UUID \"$UUID\"..." + if mount -o ro UUID="$UUID" /mnt ; then + need_umount=1 + kexec_image="/mnt/$kpath" + fi + fi + ;; + + tftp ) + if /boot/network ; then + echo "mounting tmpfs partition..." + if mount -t tmpfs tmpfs /mnt ; then + need_umount=1 + t=`basename "$kpath"` + kexec_image="/mnt/$t" + echo "Loading kexec kernel using tftp \"$kpath\"..." + tftp -g -l "$kexec_image" -r "${kpath#*:}" "${kpath%%:*}" + fi + fi + ;; + + * ) + echo "Unrecognized method: \"$method\"" + ;; + + esac + + if [ -n "$kexec_image" -a -f "$kexec_image" ] ; then + if kexec -l "$kexec_image" ; then + do_kexec=1 + fi + else + echo "Unable to load \"$kexec_image\"" + fi + + if [ $do_kexec -eq 1 -a -n "$kcmdline" ] ; then + echo "Attempting to mount /sys (sysfs)..." + if mount -t sysfs sysfs /sys ; then + echo "Setting command line:" + echo " \"$kcmdline\"" + echo "$kcmdline" > /sys/kernel/kexec_cmdline + echo "unmounting /sys..." + umount /sys + else + do_kexec=0 + fi + fi + + if [ $need_umount -eq 1 ] ; then + echo "unmounting /mnt..." + umount /mnt + fi + + if [ $do_kexec -eq 1 ] ; then + echo "Remounting root as read-only..." + mount -o remount,ro / + echo "Invoking \"kexec -f -e\" ..." + kexec -f -e + echo "ERROR!" + # We should never return here! At this point, things are not + # too well. Remount the root as rw, and fallback. + echo "Remounting root as read-write..." + mount -o remount,rw / + fi +else + echo "Usage: $0 flash|nfs|wget|UUID|/dev/<partition> <path-or-URL> [cmdline]" +fi + +# fallback - use the flash boot +echo "Falling back to flash boot..." +leds beep -f 1000 -r 2 +exec /boot/flash + +# fallback to the fallback +leds boot system panic +exec <>/dev/console >&0 2>&0 +test -x /bin/sh && exec /bin/sh +exit 1
\ No newline at end of file diff --git a/recipes/slugos-init/files/boot/network b/recipes/slugos-init/files/boot/network new file mode 100644 index 0000000000..b8054a0056 --- /dev/null +++ b/recipes/slugos-init/files/boot/network @@ -0,0 +1,41 @@ +#!/bin/sh +# bring up the network before boot, used to allow +# netconsole logging and NFS boot. This runs out +# of flash, but that's ok because the script doesn't +# leave any process running. + +# NOTE: /etc/default/functions defines ifup as a shell +# function! +. /etc/default/functions + +# We may need to load the network driver modules here +. /etc/default/modulefunctions +loadnetmods + +# Now all the information for booting should be in the configuration +# file. Config the loopback and network interfaces. +ifconfig lo 127.0.0.1 up +iface="$(config iface)" +test -z "$iface" && exit 1 + +# Fire up a process in the background to load the firmware if necessary. +# If this system doesn't require the NPE-B firmware, no problem, the +# background process will simply go away in two seconds. If it requires +# some other firmware, then modification will be required. We probably +# should replace this with mdev or some other hotplug-based technique... +sysf="/sys/class/firmware/$iface" +( + # Wait for the firware to be requested, if required + [ -f $sysf/loading ] || sleep 1 + [ -f $sysf/loading ] || sleep 1 + if [ -f $sysf/loading ] ; then + echo "1" >$sysf/loading + cat /lib/firmware/NPE-B >$sysf/data + echo "0" >$sysf/loading + fi +) & +# Trigger the firmware load proactively +ifconfig "$iface" up + +ifup "$iface" +# exit code is true only if the interface config has succeeded diff --git a/recipes/slugos-init/files/boot/nfs b/recipes/slugos-init/files/boot/nfs new file mode 100644 index 0000000000..7f91889315 --- /dev/null +++ b/recipes/slugos-init/files/boot/nfs @@ -0,0 +1,31 @@ +#!/bin/sh +# boot from the nfs partition "$1" (which +# must be given) using options from the rest of +# the command line. + +# Use the standard init path (see /etc/init.d/rcS) +export PATH=/sbin:/bin:/usr/sbin:/usr/bin + +# Mount required fileystems if necessary +[ -e /proc/cpuinfo ] || mount -t proc proc /proc +[ -e /sys/class ] || mount -t sysfs sysfs /sys + +# Load the helper functions +. /etc/default/functions +. /etc/default/modulefunctions + +leds boot system + +if /boot/network +then + # load the nfs kernel module + loadnfsmods + + # network is up and running, the NFS mount will + # now succeed (possibly), use /boot/disk + exec /boot/disk "$@" +fi + +# fallback - use the flash boot +leds beep -f 1000 -r 2 +exec /boot/flash diff --git a/recipes/slugos-init/files/boot/ram b/recipes/slugos-init/files/boot/ram new file mode 100644 index 0000000000..0a8fe1d25d --- /dev/null +++ b/recipes/slugos-init/files/boot/ram @@ -0,0 +1,64 @@ +#!/bin/sh +# boot from the hard disk partition "$1" (which +# must be given) using options from the rest of +# the command line. + +# Use the standard init path (see /etc/init.d/rcS) +export PATH=/sbin:/bin:/usr/sbin:/usr/bin + +# Mount required fileystems if necessary +[ -e /proc/cpuinfo ] || mount -t proc proc /proc +[ -e /sys/class ] || mount -t sysfs sysfs /sys + +# Load the helper functions +. /etc/default/functions + +leds beep -r 2 +leds boot system + +if test -n "$1" +then + device="$1" + shift + echo "boot: rootfs: mount $* $device" + + # prepare the device. This uses tmpfs to avoid dependency + # on non-built-in file systems and because tmpfs can expand + # to bigger than the 10MByte ram0 partition used before. + # The 'device' is currently unused. + if mount -t tmpfs "$@" tmpfs /mnt + then + cd / + # filter out boot (with zimage), linuxrc and anything + # below /var, keep dev or the boot will fail. Take + # care that nothing is mounted at this point! + umount /proc + umount /sys + find . -xdev -print | + sed '\@^./boot/@d;\@^./boot$@d;\@^./linuxrc@d;\@^./var/@d' | + cpio -p -d -m -u /mnt + # busybox find with -xdev will not print the name of the + # mountpoint, so create the empty dir manually if required. + test -d /mnt/mnt || mkdir /mnt/mnt + # checkmount checks for sh, chroot, init, /dev + # and /mnt (i.e. /mnt/mnt in this case). + # minimaldevnodes checks (and creates if required) + # a few mandatory /dev nodes we may need. + if checkmount /mnt && minimaldevnodes /mnt + then + # pivot to /mnt + cd / + swivel mnt mnt + # swivel failed + fi + # Failure: unmount the partition + umount /mnt + # Remount /proc and /sys if necessary + [ -e /proc/cpuinfo ] || mount -t proc proc /proc + [ -e /sys/class ] || mount -t sysfs sysfs /sys + fi +fi + +# fallback - use the flash boot +leds beep -f 1000 -r 2 +exec /boot/flash diff --git a/recipes/slugos-init/files/boot/udhcpc.script b/recipes/slugos-init/files/boot/udhcpc.script new file mode 100644 index 0000000000..3f437e3143 --- /dev/null +++ b/recipes/slugos-init/files/boot/udhcpc.script @@ -0,0 +1,17 @@ +#!/bin/sh +# executed by udhcpc to do the real work of configuring an interface +# writes the result (if any) to file descriptor 9 +case "$1" in +deconfig) # ignored + :;; +renew|bound) # this gives the real information + test -n "$ip" && { + echo "ip='$ip'" + echo "subnet='$subnet'" + echo "broadcast='$broadcast'" + echo "router='$router'" + } >&9;; +leasefail) # ignore - probably no dhcp server + :;; +*) echo "udhcpc: $*: command not recognised" >&2;; +esac |