diff options
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/init-premount/blacklist | 25 | ||||
| -rwxr-xr-x | scripts/init-premount/thermal | 37 | ||||
| -rwxr-xr-x | scripts/init-top/framebuffer | 102 | ||||
| -rwxr-xr-x | scripts/local-top/lvm | 74 |
4 files changed, 238 insertions, 0 deletions
diff --git a/scripts/init-premount/blacklist b/scripts/init-premount/blacklist new file mode 100755 index 0000000..1dd9dbc --- /dev/null +++ b/scripts/init-premount/blacklist @@ -0,0 +1,25 @@ +#!/bin/sh + +PREREQ="" + +prereqs() +{ + echo "$PREREQ" +} + +case $1 in +# get pre-requisites +prereqs) + prereqs + exit 0 + ;; +esac + +# sanity check +[ -z "${blacklist}" ] && exit 0 + +# write blacklist to modprobe.d +IFS=',' +for b in ${blacklist}; do + echo "blacklist $b" >> /etc/modprobe.d/initramfs +done diff --git a/scripts/init-premount/thermal b/scripts/init-premount/thermal new file mode 100755 index 0000000..aa146ec --- /dev/null +++ b/scripts/init-premount/thermal @@ -0,0 +1,37 @@ +#!/bin/sh + +PREREQ="" + +prereqs() +{ + echo "$PREREQ" +} + +case $1 in +# get pre-requisites +prereqs) + prereqs + exit 0 + ;; +esac + +case "$DPKG_ARCH" in +# load the right modules +powerpc|ppc64) + modprobe i2c-powermac + modprobe therm_pm72 + modprobe windfarm_cpufreq_clamp + modprobe windfarm_lm75_sensor + modprobe windfarm_max6690_sensor + modprobe windfarm_pm112 + modprobe windfarm_pm81 + modprobe windfarm_pm91 + modprobe windfarm_smu_controls + modprobe windfarm_smu_sat + modprobe windfarm_smu_sensors + ;; +i386|amd64|ia64) + modprobe fan + modprobe thermal + ;; +esac diff --git a/scripts/init-top/framebuffer b/scripts/init-top/framebuffer new file mode 100755 index 0000000..0ed798e --- /dev/null +++ b/scripts/init-top/framebuffer @@ -0,0 +1,102 @@ +#!/bin/sh + +PREREQ="" +prereqs() +{ + echo "$PREREQ" +} +case $1 in +# get pre-requisites +prereqs) + prereqs + exit 0 + ;; +esac + + +# The options part of the kernel "video=" argument (i.e. everyting +# after "video=<fbdriver>:") has very inconsistent rules. +# +# Generally the following applies: +# 1) options are comma-separated +# 2) options can be in either of these three forms: +# <arg>=<value>, <arg>:<value>, <boolean-arg>. +# 3) the "mode" option has the form <xres>x<yres>[M][R][-<bpp>][@<refresh>][i][m] +# and may or may not start with "mode=" +# +# When the options are used with modules, they need to be space-separated +# and the following conversions are needed: +# <arg>:<value> -> <arg>=<value> +# <boolean-arg> -> <boolean-arg>=1 +# <modevalue> -> mode=<modevalue> +parse_video_opts() +{ + local OPTS="$1" + local IFS="," + + # Must be a line like video=<fbdriver>:<opt1>,[opt2]... + if [ "${OPTS}" = "${OPTS%%:*}" ]; then + return + fi + OPTS="${OPTS#*:}" + for opt in ${OPTS}; do + # Already in the "<arg>=<value>" form + if [ "${opt}" != "${opt#*=}" ]; then + echo -n "$opt " + # In the "<arg>:<value>" form + elif [ "${opt}" != "${opt#*:}" ]; then + echo -n "${opt%:*}=${opt#*:} " + # Presumably a modevalue without the "mode=" prefix + elif [ "${opt}" != "${opt#[0-9]*x[0-9]}" ]; then + echo -n "mode=$opt " + # Presumably a boolean + else + echo -n "${opt}=1 " + fi + done +} + +FB="" +OPTS="" + +for x in $(cat /proc/cmdline); do + case ${x} in + vga=*) + FB="vesafb"; + OPTS=""; + ;; + video=*) + FB=${x#*=} + FB="${FB%%:*}" + OPTS="$(parse_video_opts "${x}")" + esac +done + +# Map command line name to module name and other tweaks +case ${FB} in +matroxfb) + FB=matroxfb_base + ;; +uvesafb) + # v86d requires /dev/zero and dev/mem, but udev haven't been started yet + [ -e /dev/zero ] || mknod -m 0666 /dev/zero c 1 5 + [ -e /dev/mem ] || mknod -m 0640 /dev/mem c 1 1 + ;; +*) + ;; +esac + +if [ -n "${FB}" ]; then + modprobe fbcon + modprobe ${FB} ${OPTS} +fi + +if [ -e /proc/fb ]; then + while read fbno desc; do + if [ $(($fbno < 32)) ]; then + mknod -m 0640 /dev/fb${fbno} c 29 ${fbno} + fi + done < /proc/fb +else + mknod -m 0640 /dev/fb0 c 29 0 +fi diff --git a/scripts/local-top/lvm b/scripts/local-top/lvm new file mode 100755 index 0000000..4cf48ad --- /dev/null +++ b/scripts/local-top/lvm @@ -0,0 +1,74 @@ +#!/bin/sh + +PREREQ="mdadm mdrun lvm2" + +prereqs() +{ + echo "$PREREQ" +} + +case $1 in +# get pre-requisites +prereqs) + prereqs + exit 0 + ;; +esac + +activate_vg() +{ + local vg="$1" + + # Make sure that we have a non-empty argument + if [ -z "${vg}" ]; then + return 1 + fi + + # Take care of lilo boot arg, risky activating of all vg + case $vg in + fe[0-9]*) + vgchange -ay + exit 0 + ;; + # FIXME: check major + /dev/root) + vgchange -ay + exit 0 + ;; + esac + + # Make sure that we have a d-m path + vg=${vg#/dev/mapper/} + if [ "$vg" = "$1" ]; then + return 1 + fi + + # Make sure that the device includes at least one dash + if [ "$(echo -n "$vg" | tr -d -)" = "$vg" ]; then + return 1 + fi + + # Split volume group from logical volume. + vg=$(echo ${vg} | sed -e 's#\(.*\)\([^-]\)-[^-].*#\1\2#') + # Reduce padded --'s to -'s + vg=$(echo ${vg} | sed -e 's#--#-#g') + + vgchange -ay ${vg} +} + +if [ -e /scripts/local-top/lvm2 ]; then + exit 0 +fi + +if [ ! -e /sbin/vgchange ]; then + exit 0 +fi + +modprobe dm-mod +modprobe dm-snapshot +modprobe dm-mirror + +activate_vg "$ROOT" +activate_vg "$resume" + +exit 0 |