diff options
Diffstat (limited to 'packages/slugos-init/files')
| -rw-r--r-- | packages/slugos-init/files/boot/kexec | 202 | ||||
| -rw-r--r-- | packages/slugos-init/files/boot/network | 5 | ||||
| -rw-r--r-- | packages/slugos-init/files/functions | 2 | ||||
| -rw-r--r-- | packages/slugos-init/files/modulefunctions | 9 |
4 files changed, 217 insertions, 1 deletions
diff --git a/packages/slugos-init/files/boot/kexec b/packages/slugos-init/files/boot/kexec new file mode 100644 index 0000000000..7c02a14f04 --- /dev/null +++ b/packages/slugos-init/files/boot/kexec @@ -0,0 +1,202 @@ +#!/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 \"$kpath\"..." + echo "mounting nfs partition..." + if mount -o ro,nolock -t nfs `dirname "$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 \"$UUID\"..." + if mount -o ro -U "$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: $0 flash|nfs|wget|UUID|/dev/<partition> <path-or-URL> [cmdline]" +fi + +# fallback - use the flash boot +echo "Falling back to flash boot..." +leds beep -f 1000 -r 2 +exec /boot/flash + +# fallback to the fallback +leds boot system panic +exec <>/dev/console >&0 2>&0 +test -x /bin/sh && exec /bin/sh +exit 1
\ No newline at end of file diff --git a/packages/slugos-init/files/boot/network b/packages/slugos-init/files/boot/network index 599250e744..9aa295e43d 100644 --- a/packages/slugos-init/files/boot/network +++ b/packages/slugos-init/files/boot/network @@ -8,6 +8,11 @@ # function! . /etc/default/functions # +# We may need to load the network driver modules here +. /etc/default/modulefunctions +loadnetmods +# +# # Now all the information for booting should be in the configuration # file. Config the loopback and network interfaces. ifconfig lo 127.0.0.1 up diff --git a/packages/slugos-init/files/functions b/packages/slugos-init/files/functions index c329171128..18f4009ee7 100644 --- a/packages/slugos-init/files/functions +++ b/packages/slugos-init/files/functions @@ -274,6 +274,8 @@ ifup(){ if test "$(config boot)" != static then test -n "$hostname" && HOSTNAME="-H $hostname" + # Pause a moment in case link negotiation takes a while + sleep 3 # The script writes the required shell variable assignments # to file descriptor 9 eval $(udhcpc -i "$iface" -n -q -r "$ip" $HOSTNAME -s /boot/udhcpc.script 9>&1 >/dev/null) diff --git a/packages/slugos-init/files/modulefunctions b/packages/slugos-init/files/modulefunctions index dbb9ab51d3..784f6ef662 100644 --- a/packages/slugos-init/files/modulefunctions +++ b/packages/slugos-init/files/modulefunctions @@ -21,7 +21,14 @@ loaddiskmods(){ } loadnetmods(){ - true + case "$(machine)" in + dsmg600) + modprobe via-velocity + ;; + *) + true + ;; + esac } loadmiscmods(){ |