/usr/share/initramfs-tools/hooks/thermal is in initramfs-tools-core 0.130ubuntu3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | #!/bin/sh
PREREQ=""
prereqs()
{
echo "$PREREQ"
}
case $1 in
# get pre-requisites
prereqs)
prereqs
exit 0
;;
esac
# Hooks for loading thermal bits into the initramfs
. /usr/share/initramfs-tools/hook-functions
case "$DPKG_ARCH" in
# copy the right modules
powerpc|ppc64)
# Only G5 Mac machines need to load
# therm_pm72 or one of the windfarm_pm* modules.
[ -r /proc/cpuinfo ] || exit 0
MODEL="`grep model /proc/cpuinfo`"
MODEL="${MODEL##*: }"
case "$MODEL" in
RackMac3,1|PowerMac7,2|PowerMac7,3)
force_load therm_pm72
;;
PowerMac8,1|PowerMac8,2)
force_load windfarm_pm81
;;
PowerMac9,1)
force_load windfarm_pm91
;;
PowerMac11,2)
force_load windfarm_pm112
;;
PowerMac12,1)
force_load windfarm_pm121
;;
*)
# No other machine needs windfarm_* modules on initrd.
exit 0
;;
esac
manual_add_modules windfarm_core
manual_add_modules windfarm_cpufreq_clamp
manual_add_modules windfarm_lm75_sensor
manual_add_modules windfarm_max6690_sensor
manual_add_modules windfarm_pid
manual_add_modules windfarm_smu_controls
manual_add_modules windfarm_smu_sat
manual_add_modules windfarm_smu_sensors
;;
i386|amd64|ia64)
manual_add_modules fan
manual_add_modules thermal
;;
esac
|