Mini Shell
#!/usr/bin/bash
# called by dracut
installkernel() {
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_add_host|scsi_add_host_with_dma|blk_alloc_disk|blk_mq_alloc_disk|blk_cleanup_disk'
local -A _hostonly_drvs
find_kernel_modules_external() {
local a
[[ -f "$srcmods/modules.dep" ]] || return 0
while IFS=: read -r a _ || [[ $a ]]; do
[[ $a =~ ^/ ]] && printf "%s\n" "$a"
done < "$srcmods/modules.dep"
}
record_block_dev_drv() {
for _mod in $(get_dev_module /dev/block/"$1"); do
_hostonly_drvs["$_mod"]="$_mod"
done
for _mod in $(get_blockdev_drv_through_sys "/sys/dev/block/$1"); do
_hostonly_drvs["$_mod"]="$_mod"
done
((${#_hostonly_drvs[@]} > 0)) && return 0
return 1
}
install_block_modules_strict() {
hostonly='' instmods "${_hostonly_drvs[@]}"
}
install_block_modules() {
instmods \
scsi_dh_rdac scsi_dh_emc scsi_dh_alua \
=drivers/usb/storage \
=ide nvme vmd \
virtio_blk virtio_scsi
dracut_instmods -o -s "${_blockfuncs}" "=drivers"
}
if [[ -z $drivers ]]; then
hostonly='' instmods \
hid_generic unix \
ehci-hcd ehci-pci ehci-platform \
ohci-hcd ohci-pci \
uhci-hcd \
xhci-hcd xhci-pci xhci-plat-hcd
hostonly=$(optional_hostonly) instmods \
"=drivers/hid" \
"=drivers/tty/serial" \
"=drivers/input/serio" \
"=drivers/input/keyboard" \
"=drivers/pci/host" \
"=drivers/pci/controller" \
"=drivers/pinctrl" \
"=drivers/usb/typec" \
"=drivers/watchdog"
instmods \
yenta_socket \
atkbd i8042 usbhid firewire-ohci pcmcia hv-vmbus \
virtio virtio_ring virtio_pci pci_hyperv \
"=drivers/pcmcia"
if [[ ${DRACUT_ARCH:-$(uname -m)} == arm* || ${DRACUT_ARCH:-$(uname -m)} == aarch64 || ${DRACUT_ARCH:-$(uname -m)} == riscv* ]]; then
# arm/aarch64 specific modules
_blockfuncs+='|dw_mc_probe|dw_mci_pltfm_register'
instmods \
"=drivers/clk" \
"=drivers/devfreq" \
"=drivers/dma" \
"=drivers/extcon" \
"=drivers/gpio" \
"=drivers/hwmon" \
"=drivers/hwspinlock" \
"=drivers/i2c/busses" \
"=drivers/mailbox" \
"=drivers/memory" \
"=drivers/mfd" \
"=drivers/mmc/core" \
"=drivers/mmc/host" \
"=drivers/nvmem" \
"=drivers/phy" \
"=drivers/power" \
"=drivers/regulator" \
"=drivers/reset" \
"=drivers/rpmsg" \
"=drivers/rtc" \
"=drivers/soc" \
"=drivers/spi" \
"=drivers/usb/chipidea" \
"=drivers/usb/dwc2" \
"=drivers/usb/dwc3" \
"=drivers/usb/host" \
"=drivers/usb/isp1760" \
"=drivers/usb/misc" \
"=drivers/usb/musb" \
"=drivers/usb/phy" \
"=drivers/scsi/hisi_sas"
fi
find_kernel_modules_external | instmods
# if not on hostonly mode, or there are hostonly block device
# install block drivers
if ! [[ $hostonly ]] \
|| for_each_host_dev_and_slaves_all record_block_dev_drv; then
hostonly='' instmods sg sr_mod sd_mod scsi_dh ata_piix
if [[ $hostonly_mode == "strict" ]]; then
install_block_modules_strict
else
install_block_modules
fi
fi
# 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 $filesystems ]]; then
dracut_instmods -o -P ".*/(kernel/fs/nfs|kernel/fs/nfsd|kernel/fs/lockd)/.*" '=fs'
fi
elif [[ "${host_fs_types[*]}" ]]; then
hostonly='' instmods "${host_fs_types[@]}"
fi
arch=${DRACUT_ARCH:-$(uname -m)}
# We don't want to play catch up with hash and encryption algorithms.
# To be safe, just use the hammer and include all crypto.
[[ $arch == x86_64 ]] && arch=x86
[[ $arch == s390x ]] && arch=s390
[[ $arch == aarch64 ]] && arch=arm64
hostonly='' instmods "=crypto"
instmods "=arch/$arch/crypto" "=drivers/crypto"
fi
inst_multiple -o "$depmodd/*.conf"
if [[ $hostonly ]]; then
inst_multiple -H -o "$depmodconfdir/*.conf"
fi
:
}
# called by dracut
install() {
[[ -d /lib/modprobe.d ]] && inst_multiple -o "/lib/modprobe.d/*.conf"
[[ -d /usr/lib/modprobe.d ]] && inst_multiple -o "/usr/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
}
Zerion Mini Shell 1.0