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#!/bin/bash
# called by dracut
installkernel() {
if [[ -z $drivers ]]; then
block_module_filter() {
local _blockfuncs='ahci_platform_get_resources|ata_scsi_ioctl|scsi_add_host|blk_cleanup_queue|register_mtd_blktrans|scsi_esp_register|register_virtio_device|usb_stor_disconnect|mmc_add_host|sdhci_pltfm_init'
# subfunctions inherit following FDs
local _merge=8 _side2=9
function bmf1() {
local _f
while read _f; do case "$_f" in
*.ko) [[ $(< $_f) =~ $_blockfuncs ]] && echo "$_f" ;;
*.ko.gz) [[ $(gzip -dc <$_f) =~ $_blockfuncs ]] && echo "$_f" ;;
*.ko.xz) [[ $(xz -dc <$_f) =~ $_blockfuncs ]] && echo "$_f" ;;
esac
done
return 0
}
function rotor() {
local _f1 _f2
while read _f1; do
echo "$_f1"
if read _f2; then
echo "$_f2" 1>&${_side2}
fi
done | bmf1 1>&${_merge}
return 0
}
# Use two parallel streams to filter alternating modules.
set +x
eval "( ( rotor ) ${_side2}>&1 | bmf1 ) ${_merge}>&1"
[[ $debug ]] && set -x
return 0
}
hostonly='' instmods \
sr_mod sd_mod scsi_dh ata_piix hid_generic unix \
ehci-hcd ehci-pci ehci-platform \
ohci-hcd ohci-pci \
uhci-hcd \
xhci-hcd
instmods yenta_socket scsi_dh_rdac scsi_dh_emc \
atkbd i8042 usbhid hid-apple hid-sunplus hid-cherry hid-logitech \
hid-logitech-dj hid-microsoft hid-lcpower firewire-ohci \
pcmcia usb_storage nvme hid-hyperv hv-vmbus \
sdhci_acpi hyperv-keyboard
if [[ "$(uname -p)" == arm* ]]; then
# arm specific modules
instmods \
"=drivers/i2c/busses" \
"=drivers/regulator" \
"=drivers/rtc" \
"=drivers/usb/host" \
"=drivers/usb/phy" \
${NULL}
fi
# install virtual machine support
instmods virtio virtio_blk virtio_ring virtio_pci virtio_scsi \
"=drivers/pcmcia" =ide "=drivers/usb/storage"
find_kernel_modules | block_module_filter | instmods
# if not on hostonly mode, install all known filesystems,
# if the required list is not set via the filesystems variable
if ! [[ $hostonly ]]; then
if [[ -z $filesystems ]]; then
silent_omit_drivers="kernel/fs/nfs|kernel/fs/nfsd|kernel/fs/lockd" \
instmods '=fs'
fi
else
for i in $(host_fs_all); do
hostonly='' instmods $i
done
fi
fi
:
}
# called by dracut
install() {
inst_multiple -o /lib/modprobe.d/*.conf
[[ $hostonly ]] && inst_multiple -H -o /etc/modprobe.d/*.conf /etc/modprobe.conf
if ! dracut_module_included "systemd"; then
inst_hook cmdline 01 "$moddir/parse-kernel.sh"
fi
inst_simple "$moddir/insmodpost.sh" /sbin/insmodpost.sh
}
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