byp4a55 professor6T9

Linux sonniq.ru 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 x86_64
Apache/2.4.52 (Ubuntu)
127.0.0.1

File Name : hook-functions

# -*- shell-script -*-

catenate_cpiogz() {
	# Sanity check
	if [ ! -e "${1}" ]; then
		echo "W: catenate_cpiogz: arg1='${1}' does not exist." >&2
		return
	fi

cat "${1}" >>"${__TMPCPIOGZ}"
}

prepend_earlyinitramfs() {
	# Sanity check
	if [ ! -e "${1}" ]; then
		echo "W: prepend_earlyinitramfs: arg1='${1}' does not exist." >&2
		return
	fi

cat "${1}" >>"${__TMPEARLYCPIO}"
}

# force_load module [args...]
force_load()
{
	manual_add_modules "$1"
	echo "${@}" >>"${DESTDIR}/conf/modules"
}

# Takes a file containing a list of modules to be added as an
# argument, figures out dependancies, and adds them.
#
# Input file syntax:
#
#   # comment
#   modprobe_module_name [args ...]
#   [...]
#
add_modules_from_file()
{
	# Sanity check
	if [ ! -e "${1}" ]; then
		echo "W: add_modules_from_file: arg1='${1}' does not exist." >&2
		return
	fi

grep '^[^#]' "${1}" | while read -r module args; do
		[ -n "$module" ] || continue
		force_load "${module}" "${args}"
	done
}

# Locate a firmware file with the given name and copy it into DESTDIR, unless
# DESTDIR already contains such a file.
# Returns an error if no such firmware file can be located and DESTDIR doesn't
# already contain any matching file. (It is up to the caller to figure out
# whether a warning should be printed in that case.)
add_firmware()
{
	local firmware fwloc

firmware="${1}"

if [ -e "${DESTDIR}/lib/firmware/updates/${version?}/${firmware}" ] \
	|| [ -e "${DESTDIR}/lib/firmware/updates/${version?}/${firmware}.xz" ] \
	|| [ -e "${DESTDIR}/lib/firmware/updates/${firmware}" ] \
	|| [ -e "${DESTDIR}/lib/firmware/updates/${firmware}.xz" ] \
	|| [ -e "${DESTDIR}/lib/firmware/${version}/${firmware}" ] \
	|| [ -e "${DESTDIR}/lib/firmware/${version}/${firmware}.xz" ] \
	|| [ -e "${DESTDIR}/lib/firmware/${firmware}" ] \
	|| [ -e "${DESTDIR}/lib/firmware/${firmware}.xz" ]; then
            return 0
	fi

for fwloc in "/lib/firmware/updates/${version}/${firmware}" \
		"/lib/firmware/updates/${firmware}" \
		"/lib/firmware/${version}/${firmware}" \
		"/lib/firmware/${firmware}"; do
		if [ -e "${fwloc}" ]; then
			copy_file firmware "${fwloc}"
			return 0
		elif [ -e "${fwloc}.xz" ]; then
			copy_file firmware "${fwloc}.xz"
			if command -v xz >/dev/null 2>&1; then
				xz -d "${DESTDIR}/${fwloc}.xz"
			fi
			return 0
		fi
	done

# We can't figure out where to get that firmware from.
	return 1
}

# Add dependent modules + eventual firmware
manual_add_modules()
{
	local prefix kmod options firmware

if [ $# -eq 0 ]; then
		return
	fi

# modprobe --ignore-install inhibits processing of 'install'
	# configuration lines, so that instead we will see 'insmod
	# module.ko' as we want.  However it also means that 'softdep'
	# configuration lines and embedded softdep information is not
	# processed.  So we run twice, with and without this option.
	# shellcheck disable=SC2034
	{ modprobe --all --set-version="${version?}" --ignore-install --quiet --show-depends "$@";
	  modprobe --all --set-version="${version}" --quiet --show-depends "$@"; } |
	while read -r prefix kmod options ; do
		if [ "${prefix}" != "insmod" ]; then
			continue
		fi

copy_file module "${kmod}" || continue

# Add required firmware
		for firmware in $(modinfo -k "${version}" -F firmware "${kmod}"); do
			# Only print warning for missing fw of loaded module
			# or forced loaded module
			if ! add_firmware "$firmware"; then
				# Only warn about missing firmware if
				# /proc/modules exists
				if [ ! -e /proc/modules ] ; then
					continue
				fi

kmod_modname="${kmod##*/}"
				kmod_modname="${kmod_modname%%.*}"
				if grep -q "^$kmod_modname\\>" /proc/modules "${CONFDIR}/modules"; then
					echo "W: Possible missing firmware /lib/firmware/${firmware} for module ${kmod_modname}" >&2
				fi
				continue
			fi
		done
	done
}

# manual_add_modules() takes care of adding firmware for things that were built
# as modules; but drivers can also be built into the kernel itself. To cover
# that case, we have to look at modules.builtin.modinfo instead.
# This file is generated by the kernel's build process since commit 898490c010b5
# ("moduleparam: Save information about built-in modules in separate file"),
# which was added in Linux 5.2.
add_builtin_firmware()
{
	local builtin_modinfo_path builtin_modname firmware

builtin_modinfo_path="/lib/modules/${version?}/modules.builtin.modinfo"
	if [ ! -e "$builtin_modinfo_path" ]; then
		if linux-version compare "${version}" ge 5.2; then
			echo "W: Can't find modules.builtin.modinfo (for locating built-in drivers' firmware, supported in Linux >=5.2)" >&2
		fi
		return
	fi

tr '\0' '\n' < "$builtin_modinfo_path" | grep -E '^[^=]*\.firmware=' | sed -n 's/\.firmware=/\t/p' | while read -r builtin_modname firmware; do
		if ! add_firmware "$firmware"; then
			echo "W: Possible missing firmware /lib/firmware/${firmware} for built-in driver ${builtin_modname}" >&2
		fi
	done
}

# $1 = file type (for logging)
# $2 = file to copy to initramfs
# $3 (optional) Name for the file on the initramfs
# Location of the image dir is assumed to be $DESTDIR
# If the target exists, we leave it and return 1.
# On any other error, we return >1.
copy_file() {
	local type src target link_target

type="${1}"
	src="${2}"
	target="${3:-$2}"

[ -f "${src}" ] || return 2

if [ -d "${DESTDIR}/${target}" ]; then
		target="${target}/${src##*/}"
	fi

# Canonicalise usr-merged target directories
	case "${target}" in
	/bin/* | /lib* | /sbin/*) target="/usr${target}" ;;
	esac

# check if already copied
	[ -e "${DESTDIR}/${target}" ] && return 1

mkdir -p "${DESTDIR}/${target%/*}"

if [ -h "${src}" ]; then
		# We don't need to replicate a chain of links completely;
		# just link directly to the ultimate target
		link_target="$(readlink -f "${src}")" || return $(($? + 1))

# Update source for the copy
		src="${link_target}"

# Canonicalise usr-merged target directories
		case "${link_target}" in
		/bin/* | /lib* | /sbin/*) link_target="/usr${link_target}" ;;
		esac

if [ "${link_target}" != "${target}" ]; then
			[ "${verbose?}" = "y" ] && echo "Adding ${type}-link ${target}"

# Create a relative link so it always points
			# to the right place
			ln -rs "${DESTDIR}/${link_target}" "${DESTDIR}/${target}"
		fi

# Copy the link target if it doesn't already exist
		target="${link_target}"
		[ -e "${DESTDIR}/${target}" ] && return 0
		mkdir -p "${DESTDIR}/${target%/*}"
	fi

[ "${verbose}" = "y" ] && echo "Adding ${type} ${src}"

cp -pP "${src}" "${DESTDIR}/${target}" || return $(($? + 1))
}

# $1 = executable/shared library to copy to initramfs, with dependencies
# $2 (optional) Name for the file on the initramfs
# Location of the image dir is assumed to be $DESTDIR
# We never overwrite the target if it exists.
copy_exec() {
	local src target x nonoptlib ret

src="${1}"
	target="${2:-$1}"

copy_file binary "${src}" "${target}" || return $(($? - 1))

# Copy the dependant libraries
	for x in $(env --unset=LD_PRELOAD ldd "${src}" 2>/dev/null | sed -e '
		/\//!d;
		/linux-gate/d;
		/=>/ {s/.*=>[[:blank:]]*$[^[:blank:]]*$.*/\1/};
		s/[[:blank:]]*$[^[:blank:]]*$ (.*)/\1/' 2>/dev/null); do

# Try to use non-optimised libraries where possible.
		# We assume that all HWCAP libraries will be in tls,
		# sse2, vfp or neon.
		nonoptlib=$(echo "${x}" | sed -e 's#/lib/$[^/]*/$\?$tls\|i686\|sse2\|neon\|vfp$.*/$lib.*$#/lib/\1\3#')
		nonoptlib=$(echo "${nonoptlib}" | sed -e 's#-linux-gnu/$tls\|i686\|sse2\|neon\|vfp$.*/$lib.*$#-linux-gnu/\2#')

if [ -e "${nonoptlib}" ]; then
			x="${nonoptlib}"
		fi

# Handle common dlopen() dependency (Debian bug #950254)
		case "${x}" in
		*/libpthread.so.*)
			copy_libgcc "${x%/*}" || copy_libgcc "${x%/*}/.." || return
			;;
		esac

copy_file binary "${x}" || {
			ret=$?
			[ ${ret} = 1 ] || return $((ret - 1))
		}
	done
}

copy_libgcc() {
	local libdir library

libdir="$1"
	for library in "${libdir}"/libgcc_s.so.[1-9]; do
		copy_exec "${library}" || return
	done
}

# Copy entire subtrees to the initramfs
copy_modules_dir()
{
	local kmod first exclude
	local modules=
	local dir="$1"
	shift

if ! [ -d "${MODULESDIR}/${dir}" ]; then
		return;
	fi
	if [ "${verbose}" = "y" ]; then
		echo "Copying module directory ${dir}"
		if [ $# -ge 1 ]; then
			echo "(excluding $*)"
		fi
	fi

# Build up an expression for find
	first=true
	for exclude in "$@"; do
		# Change .ko suffix in exclusion to .ko*
		if [ "${exclude%.ko}" != "${exclude}" ]; then
			exclude="${exclude}*"
		fi
		$first && set --
		set -- "$@" -name "${exclude}" -prune -o
		first=false
	done

# shellcheck disable=SC2044
	for kmod in $(find "${MODULESDIR}/${dir}" "$@" -name '*.ko*' -printf '%f\n'); do
		modules="$modules ${kmod%%.*}"
	done
	# shellcheck disable=SC2086
	manual_add_modules $modules
}

# walk /sys for relevant modules
sys_walk_mod_add()
{
	local driver_path module device_path modalias
	device_path="$1"

while [ "${device_path}" != "/sys" ]; do
		# device modalias
		if [ -e "${device_path}/modalias" ]; then
			modalias=$(cat "${device_path}/modalias")
			if [ -n "${modalias}" ]; then
				manual_add_modules "${modalias}"
			fi
		fi

# current driver module
		driver_path="$(readlink -f "${device_path}/driver/module")"
		if [ -e "$driver_path" ]; then
			module="$(basename "$(readlink -f "$driver_path")")"
			if [ -n "${module}" ]; then
				manual_add_modules "${module}"
			fi
		fi

device_path="$(dirname "${device_path}")"
	done
}

nvme_dev_sys_walk_mod_add()
{
	local dev_sys_path component nvme_sys_path
	dev_sys_path="$(readlink -f "$1")"
	if ! echo "$dev_sys_path" | grep -q "nvme-subsys"; then
		return
	fi
	for component in "$dev_sys_path"/nvme* ; do
		if [ -L "$component" ] ; then
			nvme_sys_path=$(readlink -f "$component")
			sys_walk_mod_add "$nvme_sys_path"
		fi
	done
}

block_dev_sys_walk_mod_add()
{
	local dev_sys_path disk_sys_path component

# Resolve symlink so sys_walk_mod_add can walk up the hierarchy
	dev_sys_path="$(readlink -f "$1")"

# Find whole disk from partition
	if grep -q "^DEVTYPE=partition$" "$dev_sys_path/uevent"; then
		disk_sys_path="$dev_sys_path/.."
	else
		disk_sys_path="$dev_sys_path"
	fi

# Iterate over component of a layered device
	find "$disk_sys_path/slaves" -mindepth 1 -maxdepth 1 | while read -r component; do
		block_dev_sys_walk_mod_add "$component"
	done
	nvme_dev_sys_walk_mod_add "$disk_sys_path/device"

sys_walk_mod_add "${dev_sys_path}"
}

block_dev_mod_add()
{
	local dev_node dev_num dev_sys_path
	dev_node="$1"

# Look up device number and convert to decimal as it appears in sysfs
	dev_num="$(stat -L -c %t:%T "$dev_node")"
	dev_num="$((0x${dev_num%:*})):$((0x${dev_num#*:}))"

# Look up device in sysfs
	dev_sys_path="/sys/dev/block/$dev_num"
	if [ ! -d "$dev_sys_path" ]; then
		echo "mkinitramfs: for device ${dev_node} missing ${dev_sys_path}" >&2
		echo "mkinitramfs: workaround is MODULES=most" >&2
		echo "mkinitramfs: Error please report the bug" >&2
		exit 1
	fi

block_dev_sys_walk_mod_add "$dev_sys_path"
}

# Copy all loaded or built-in modules matching the given pattern.
# Pattern mustn't include directory or '.ko' suffix but should use
# '[-_]' to allow for differences in naming between /sys/module and
# modules.builtin.
add_loaded_modules()
{
	local pattern="$1"
	local module builtin
	builtin="/lib/modules/$(uname -r)/modules.builtin"

for module in /sys/module/$pattern; do
		if [ -d "$module" ]; then
			manual_add_modules "$(basename "$module")"
		fi
	done
	if [ -f "$builtin" ]; then
		while read -r module; do
			case "$module" in
			*/$pattern.ko)
				manual_add_modules "$(basename "$module" .ko)"
				;;
			esac
		done < "$builtin"
	fi
}

# find and only copy modules relevant to a mountpoint
dep_add_modules_mount()
{
	local dir dev_node FSTYPE

dir="$1"

# require mounted sysfs
	if [ ! -d /sys/devices/ ]; then
		echo "mkinitramfs: MODULES dep requires mounted sysfs on /sys" >&2
		exit 1
	fi

# find out block device + fstype
	# shellcheck disable=SC2034
	eval "$(while read -r dev mp fs opts rest ; do \
		[ "$mp" = "$dir" ] && [ "$fs" != "rootfs" ] \
		&& printf "dev_node=%s\\nFSTYPE=%s" "$dev" "$fs"\
		&& break; done < /proc/mounts)"

# Only the root mountpoint has to exist; do nothing if any other
	# directory is not a mountpoint.
	if [ "$dir" != / ] && [ -z "$dev_node" ]; then
		return
	fi

# handle ubifs and return since ubifs is mounted on char devices
	# but most of the commands below only work with block devices.
	if [ "${FSTYPE}" = "ubifs" ]; then
		manual_add_modules "${FSTYPE}"
		return
	fi

if [ "${FSTYPE}" = "zfs" ]; then
		manual_add_modules "${FSTYPE}"
 
		# ZFS uses the name of a filesystem instead of a device. Find
		# the devices that make up the pool containing the specified
		# filesystem, and add the appropriate driver for each device.
		local poolname="${dev_node%%/*}"
		# shellcheck disable=SC2034
		zpool list -vPL "$poolname" | while read -r dev ignored; do
			# Ignore non-leaf vdevs by skipping anything that doesn't
			# look like an absolute path
			echo "$dev" | grep -q '^/' && block_dev_mod_add "$dev"
		done
		return
	fi

if [ "$dir" = / ] && [ "${dev_node}" = "/dev/root" ] ; then
		if [ -b "${dev_node}" ]; then
			# Match it to the canonical device name by UUID
			dev_node="/dev/disk/by-uuid/"$(blkid -o value -s UUID "${dev_node}") 2>/dev/null
		else
			# Does not exist in our namespace, so look at the
			# kernel command line
			dev_node=
			# shellcheck disable=SC2013
			for arg in $(cat /proc/cmdline); do
				case "$arg" in
				root=*)
					dev_node="${arg#root=}"
					if [ "${dev_node#/dev/}" = "$dev_node" ]; then
						dev_node="/dev/$dev_node"
					fi
					;;
				--)
					break
					;;
				*)
					;;
				esac
			done
		fi
	fi

# recheck device
	if [ -z "$dev_node" ] || ! dev_node="$(readlink -f "${dev_node}")" \
		|| ! [ -b "$dev_node" ]; then
		echo "mkinitramfs: failed to determine device for $dir" >&2
		echo "mkinitramfs: workaround is MODULES=most, check:" >&2
		echo "grep -r MODULES ${CONFDIR}" >&2
		echo "" >&2
		echo "Error please report bug on initramfs-tools" >&2
		echo "Include the output of 'mount' and 'cat /proc/mounts'" >&2
		exit 1
	fi

# do not trust mount, check superblock
	FSTYPE=$(blkid -o value -s TYPE "${dev_node}")
	if [  -z "${FSTYPE}" ]; then
		echo "mkinitramfs: unknown fstype on device ${dev_node}" >&2
		echo "mkinitramfs: workaround is MODULES=most" >&2
		echo "Error please report bug on initramfs-tools" >&2
		exit 1
	fi

# Add filesystem
	manual_add_modules "${FSTYPE}"

block_dev_mod_add "$dev_node"
}

class_add_modules()
{
	local device

for device in "/sys/class/$1"/*; do
		device="$(readlink -f "$device")" \
			&& sys_walk_mod_add "$device"
	done
}

dep_add_modules()
{
	local device dev_node
	local modules=

dep_add_modules_mount /
	dep_add_modules_mount /usr

if [ -n "${RESUME}" ]; then
		dev_node="$(resolve_device "${RESUME}")"
		if [ -n "${dev_node}" ]; then
			block_dev_mod_add "${dev_node}"
		fi
	fi

# sys walk some important device classes
	for class in extcon gpio phy pwm regulator rtc; do
		class_add_modules "$class"
	done

# clk, USB-PHY and pinctrl devices are outside the device model (!) so
	# match loaded modules by name
	add_loaded_modules 'clk[-_]*'
	add_loaded_modules 'phy[-_]*'
	add_loaded_modules 'pinctrl[-_]*'

# Sys walk keyboards.  We identify keyboards as input devices
	# that can generate at least key events 1-31; udev has the
	# same heuristic.  Note that the format of the bitmap
	# properties depends on the word size of the process reading
	# the uevent file!
	for device in /sys/class/input/input*; do
		if grep -qs "^KEY=.*fffffff[ef]$" "${device}/uevent"; then
			sys_walk_mod_add "$(readlink -f "$device")"
		fi
	done

# Sys walk graphics for machines that don't have a generic framebuffer
	# device and wouldn't have a working video console otherwise.
	walk_graphics=yes
	for device in /sys/bus/platform/drivers/efi-framebuffer/* \
	              /sys/bus/platform/drivers/platform-framebuffer/* \
	              /sys/bus/platform/drivers/simple-framebuffer/* \
	              /sys/bus/platform/drivers/vesa-framebuffer/*; do
		if [ -d "$device" ]; then
			walk_graphics=no
			break
		fi
	done

if [ "$walk_graphics" = "yes" ]; then
		class_add_modules backlight
		class_add_modules graphics
	fi

# catch old-style IDE
	if [ -e /sys/bus/ide/devices/ ]; then
		modules="$modules ide-gd_mod ide-cd"
	fi

if [ -e /sys/bus/scsi/devices/ ]; then
		modules="$modules sd_mod"
	fi

if [ -e /sys/bus/mmc/devices/ ]; then
		modules="$modules mmc_block"
	fi

if [ -e /sys/bus/virtio ] ; then
		modules="$modules virtio_pci virtio_mmio"
	fi

if [ -e /sys/bus/i2o/devices/ ]; then
		force_load i2o_block
		force_load i2o_config
	fi

if [ -e /sys/bus/ps3_system_bus/ ]; then
		modules="$modules ps3disk ps3rom ps3-gelic ps3_sys_manager"
	fi

if [ -e /sys/bus/vio/ ]; then
		modules="$modules sunvnet sunvdc"
	fi

if [ -e /sys/devices/platform/edp-panel ]; then
		sys_walk_mod_add /sys/devices/platform/edp-panel
	fi

# shellcheck disable=SC2086
	manual_add_modules $modules
}

# The modules "most" classes added per default to the initramfs
auto_add_modules()
{
	local arg
	local modules=

if [ "$#" -eq 0 ] ; then
		set -- base net ide scsi block ata i2o dasd ieee1394 firewire mmc usb_storage fb virtual nx
	fi

for arg in "$@" ; do
		case "$arg" in
		base)
			modules="$modules btrfs ext2 ext3 ext4 f2fs"
			modules="$modules isofs jfs reiserfs squashfs udf xfs"
			modules="$modules nfs nfsv2 nfsv3 nfsv4"
			modules="$modules af_packet atkbd i8042 psmouse"
			modules="$modules virtio_pci virtio_mmio"
			# nls not automatically pulled in as ubuntu has built-in vfat
			modules="$modules vfat nls_cp437 nls_iso8859-1"

# Include most USB host and dual-role drivers
			copy_modules_dir kernel/drivers/usb/host \
				hwa-hc.ko sl811_cs.ko sl811-hcd.ko \
				u132-hcd.ko whci-hcd.ko
			copy_modules_dir kernel/drivers/usb/c67x00
			copy_modules_dir kernel/drivers/usb/chipidea
			copy_modules_dir kernel/drivers/usb/dwc2
			copy_modules_dir kernel/drivers/usb/dwc3
			copy_modules_dir kernel/drivers/usb/isp1760
			copy_modules_dir kernel/drivers/usb/musb
			copy_modules_dir kernel/drivers/usb/renesas_usbhs
			# and any extcon drivers for USB
			modules="$modules extcon-usb-gpio extcon-usbc-cros-ec"
			# Add the axp20x_usb_power power supply driver,
			# required to initialize the USB host controllers
			# on a number of armhf systems
			modules="$modules axp20x_usb_power"

# Include all keyboard drivers and all HID drivers
			# unless we're sure they don't support keyboards.
			# hid-*ff covers various game controllers with
			# force feedback.
			copy_modules_dir kernel/drivers/input/keyboard
			copy_modules_dir kernel/drivers/hid \
				'hid-*ff.ko' hid-a4tech.ko hid-cypress.ko \
				hid-dr.ko hid-elecom.ko hid-gyration.ko \
				hid-icade.ko hid-kensington.ko hid-kye.ko \
				hid-lcpower.ko hid-magicmouse.ko \
				hid-multitouch.ko hid-ntrig.ko \
				hid-petalynx.ko hid-picolcd.ko hid-pl.ko \
				hid-ps3remote.ko hid-quanta.ko \
				'hid-roccat-ko*.ko' hid-roccat-pyra.ko \
				hid-saitek.ko hid-sensor-hub.ko hid-sony.ko \
				hid-speedlink.ko hid-tivo.ko hid-twinhan.ko \
				hid-uclogic.ko hid-wacom.ko hid-waltop.ko \
				hid-wiimote.ko hid-zydacron.ko
			# needed to access keyboard on some ChromeOS devices
			modules="$modules cros_ec_spi"

# Any of these might be needed by other drivers
			copy_modules_dir kernel/drivers/bus
			copy_modules_dir kernel/drivers/clk
			copy_modules_dir kernel/drivers/gpio
			copy_modules_dir kernel/drivers/i2c/busses
			copy_modules_dir kernel/drivers/i2c/muxes
			copy_modules_dir kernel/drivers/mfd
			copy_modules_dir kernel/drivers/pci/controller
			copy_modules_dir kernel/drivers/phy
			copy_modules_dir kernel/drivers/pinctrl
			copy_modules_dir kernel/drivers/regulator
			copy_modules_dir kernel/drivers/reset
			copy_modules_dir kernel/drivers/spi
			copy_modules_dir kernel/drivers/usb/phy

# Needed for periodic fsck
			copy_modules_dir kernel/drivers/rtc
		;;
		net)
			copy_modules_dir kernel/drivers/net \
				appletalk arcnet bonding can dummy.ko \
				hamradio hippi ifb.ko irda macvlan.ko \
				macvtap.ko pcmcia sb1000.ko team tokenring \
				tun.ko veth.ko wan wimax wireless \
				cdc_mbim.ko cdc-phonet.ko hso.ko huawei_cdc_ncm.ko ipheth.ko kalmia.ko \
				lg-vl600.ko qmi_wwan.ko sierra_net.ko cdc_subset.ko gl620a.ko \
				net1080.ko plusb.ko cx82310_eth.ko zaurus.ko \
				xen-netback.ko
			modules="$modules 8021q"
		;;
		ide)
			copy_modules_dir kernel/drivers/ide
		;;
		mmc)
			copy_modules_dir kernel/drivers/mmc
		;;
		scsi)
			copy_modules_dir kernel/drivers/scsi
			modules="$modules mptfc mptsas mptscsih mptspi zfcp"
		;;
		ata)
			copy_modules_dir kernel/drivers/ata
		;;
		block)
			copy_modules_dir kernel/drivers/block
			copy_modules_dir kernel/drivers/nvme
			copy_modules_dir kernel/drivers/nvdimm
			copy_modules_dir kernel/drivers/dax
			copy_modules_dir kernel/drivers/acpi/nfit

modules="$modules vmd"
		;;
		ubi)
			modules="$modules deflate zlib lzo ubi ubifs"
		;;
		ieee1394)
			modules="$modules ohci1394 sbp2"
		;;
		firewire)
			modules="$modules firewire-ohci firewire-sbp2"
		;;
		i2o)
			modules="$modules i2o_block"
		;;
		dasd)
			modules="$modules dasd_diag_mod dasd_eckd_mod dasd_fba_mod"
		;;
		usb_storage)
			copy_modules_dir kernel/drivers/usb/storage
		;;
		fb)
			# For machines that don't have a generic framebuffer device.
			modules="$modules rockchipdrm pwm-cros-ec pwm_bl panel-simple"
			modules="$modules analogix-anx6345 pwm-sun4i sun4i-drm sun8i-mixer"
		;;
		virtual)
			# Hyper-V
			modules="$modules hv_vmbus hv_utils hv_netvsc hv_mouse hv_storvsc hyperv-keyboard"
		;;
		nx)
			# PowerPC NX Crypto Coprocessor
			modules="$modules nx-compress nx-compress-crypto nx-compress-platform"
			modules="$modules nx-compress-pseries nx-compress-powernv 842-decompress"
		;;
		esac
	done

# shellcheck disable=SC2086
	manual_add_modules $modules
}

# 'depmod' only looks at symbol dependencies and the 'softdep' module
# information field; there is no way for modules to declare weaker
# dependencies (modules that *might* be needed at run-time) through
# module information, Until this is fixed, we need to handle those
# hidden dependencies.
hidden_dep_add_modules()
{
	# shellcheck disable=SC2046
	manual_add_modules $(
		{
			cat "${DESTDIR}/lib/modules/${version}/modules.builtin"
			if [ -d "${DESTDIR}/lib/modules/${version}/kernel" ]; then
				find "${DESTDIR}/lib/modules/${version}/kernel" -name '*.ko*'
			fi
		} |
		while read -r module; do
			module="${module##*/}"
			module="${module%%.*}"
			case "$module" in
			libcrc32c)
				echo crc32c
				;;
			ubifs)
				echo deflate zlib lzo
				;;
			btrfs)
				echo crc32c
				;;
			f2fs)
				echo crc32
				;;
			mlx4_core)
				echo mlx4_ib
				;;
			mlx5_core)
				echo mlx5_ib
				;;
			i8042)
				echo psmouse
				;;
			nvme)
				echo vmd
				;;
			spi-rockchip)
				echo pl330
				;;
			dw_mmc-rockchip)
				echo rockchip-io-domain
				;;
			esac
		done
		)
}

# Find the source for a script file.  This is needed to work around
# temporary directories mounted with the noexec option.  The source
# will be on / or /usr which must be executable.
get_source()
{
	if [ -z "$scriptdir" ]; then
		echo "${initdir}/$1"
	elif [ -f "${CONFDIR}${scriptdir}/$1" ]; then
		echo "${CONFDIR}${scriptdir}/$1"
	else
		echo "/usr/share/initramfs-tools${scriptdir}/$1"
	fi
}

set_initlist()
{
	unset initlist
	for si_x in "${initdir}"/*; do
		# skip empty dirs without warning
		[ "${si_x}" = "${initdir}/*" ] && return

# only allow variable name chars
		case ${si_x#"${initdir}"/} in
		*[![:alnum:]\._-]*)
			[ "${verbose}" = "y" ] \
			&& echo "$si_x ignored: not alphanumeric or '_' file" >&2
			continue
			;;
		esac

# skip directories
		if [ -d "${si_x}" ]; then
			[ "${verbose}" = "y" ] \
			&& echo "$si_x ignored: a directory" >&2
			continue
		fi

si_x="$(get_source "${si_x#"${initdir}"/}")"

# skip non executable scripts
		if [ ! -x "${si_x}" ]; then
			[ "${verbose}" = "y" ] \
			&& echo "$si_x ignored: not executable" >&2
			continue
		fi

# skip bad syntax
		if ! sh -n "${si_x}" ; then
			[ "${verbose}" = "y" ] \
			&& echo "$si_x ignored: bad syntax" >&2
			continue
		fi

initlist="${initlist:-} ${si_x##*/}"
	done
}

get_prereq_pairs()
{
	set_initlist
	for gp_x in ${initlist:-}; do
		echo "${gp_x} ${gp_x}"
		gp_src="$(get_source "$gp_x")"
		prereqs=$("${gp_src}" prereqs)
		for prereq in ${prereqs}; do
			echo "${prereq} ${gp_x}"
		done
	done
}

# cache boot scripts order
cache_run_scripts()
{
	DESTDIR=${1}
	scriptdir=${2}
	initdir=${DESTDIR}${scriptdir}
	[ ! -d "${initdir}" ] && return

true > "${initdir}/ORDER"
	runlist=$(get_prereq_pairs | tsort)
	for crs_x in ${runlist}; do
		[ -f "${initdir}/${crs_x}" ] || continue
		echo "${scriptdir}/${crs_x} \"\$@\"" >> "${initdir}/ORDER"
		echo "[ -e /conf/param.conf ] && . /conf/param.conf" >> "${initdir}/ORDER"
	done
}

call_scripts()
{
	set -e
	for cs_x in ${runlist}; do
		[ -f "${initdir}/${cs_x}" ] || continue
		if [ "$call_scripts_optional" = "y" ]; then
			option=$(sed '/^OPTION=/!d;$d;s/^OPTION=//;s/[[:space:]]*$//' "${initdir}/${cs_x}")
			# shellcheck disable=SC1083,2086
			[ -z "${option}" ] || eval test -n \"\${$option}\" -a \"\${$option}\" != \"n\" || continue
		fi

# mkinitramfs verbose output
		if [ "${verbose}" = "y" ]; then
			echo "Calling hook ${cs_x}"
		fi
		"${initdir}/${cs_x}" && ec=$? || ec=$?
		# allow hooks to abort build:
		if [ "$ec" -ne 0 ]; then
			echo "E: ${initdir}/${cs_x} failed with return $ec." >&2
			# only errexit on mkinitramfs
			[ -n "${version}" ] && exit $ec
		fi
		# allow boot scripts to modify exported boot parameters
		if [ -e /conf/param.conf ]; then
			. /conf/param.conf
		fi
	done
	set +e
}

run_scripts()
{
	scriptdir=${2:-}
	initdir=${1}
	[ ! -d "${initdir}" ] && return

runlist=$(get_prereq_pairs | tsort)
	call_scripts "$scriptdir"
}

run_scripts_optional()
{
	call_scripts_optional=y
	run_scripts "$@"
}

add_dns() {
	local destdir="$1" nsswitch="" lib="" libdir="" f="" d=""
	# find the multiarch lib dir (for example /lib/x86_64-linux-gnu)
	# by finding a directory with libc.so.6.
	for d in /lib/* /lib; do
		for f in "$d"/libc.so.?; do [ -f "$f" ] && break; done
		[ -f "$f" ] && libdir="$d" && break
	done
	if [ -z "$libdir" ]; then
		echo "WARNING: no libdir found for adding dns." 1>&2
		return
	fi
	nsswitch="$destdir/etc/nsswitch.conf"
	if ! grep -qs "^hosts:" "$nsswitch"; then
		echo "hosts: files dns" >> "$nsswitch"
	fi
	local found=""
	for lib in libnss_files libnss_dns libresolv; do
		found=""
		for f in "$libdir/$lib.so".?; do
			[ -e "$f" ] || continue
			[ "$verbose" = "y" ] && echo "dns: $lib: $f"
			copy_file library "$f"
			found="$f"
		done
		[ -n "$found" ] || echo "WARNING: no $libdir/$lib.? file" 1>&2
	done
	return 0
}

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	0/0	0755	2023-06-07 11:31:07
..	dir	-	0/0	0755	2025-01-07 07:44:58
conf-hooks.d	dir	-	0/0	0755	2024-08-15 06:27:29
conf.d	dir	-	0/0	0755	2022-03-15 06:00:55
hooks	dir	-	0/0	0755	2026-01-15 07:00:12
modules.d	dir	-	0/0	0755	2022-03-15 06:00:55
scripts	dir	-	0/0	0755	2023-06-07 11:31:07
hook-functions	text/plain	26.29 KB	0/0	0644	2022-10-27 08:44:07
init	text/x-shellscript	7.11 KB	0/0	0755	2022-02-08 10:54:47
modules	text/plain	357 B	0/0	0644	2022-02-08 10:54:47

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