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gen_configkernel.sh
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gen_configkernel.sh
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#!/bin/bash
# $Id$
# Fills variable KERNEL_CONFIG
determine_kernel_config_file() {
print_info 2 "Checking for suitable kernel configuration ..."
if [ -n "${CMD_KERNEL_CONFIG}" -a "${CMD_KERNEL_CONFIG}" != "default" ]
then
KERNEL_CONFIG=$(expand_file "${CMD_KERNEL_CONFIG}")
if [ -z "${KERNEL_CONFIG}" ]
then
gen_die "--kernel-config value '${CMD_KERNEL_CONFIG}' failed to expand!"
elif [ ! -e "${KERNEL_CONFIG}" ]
then
gen_die "--kernel-config file '${KERNEL_CONFIG}' does not exist!"
fi
local confgrep_cmd=$(get_grep_cmd_for_file "${KERNEL_CONFIG}")
if ! "${confgrep_cmd}" -qE '^CONFIG_.*=' "${KERNEL_CONFIG}" &>/dev/null
then
gen_die "--kernel-config file '${KERNEL_CONFIG}' does not look like a valid kernel config: File does not contain any CONFIG_* value!"
fi
else
local -a kconfig_candidates
local -a gk_kconfig_candidates
gk_kconfig_candidates+=( "${KERNEL_MODULES_PREFIX%/}/lib/modules/${KV}/source/.config" )
gk_kconfig_candidates+=( "${GK_SHARE}/arch/${ARCH}/kernel-config-${KV}" )
gk_kconfig_candidates+=( "${GK_SHARE}/arch/${ARCH}/kernel-config-${VER}.${PAT}" )
gk_kconfig_candidates+=( "${GK_SHARE}/arch/${ARCH}/generated-config" )
gk_kconfig_candidates+=( "${GK_SHARE}/arch/${ARCH}/kernel-config" )
gk_kconfig_candidates+=( "${DEFAULT_KERNEL_CONFIG}" )
if [ -n "${CMD_KERNEL_CONFIG}" -a "${CMD_KERNEL_CONFIG}" = "default" ]
then
print_info 1 "Default configuration was forced. Will ignore any user kernel configuration!"
kconfig_candidates=( ${gk_kconfig_candidates[@]} )
else
local -a user_kconfig_candidates
# Always prefer kernel config based on set --kernel-config-filename
user_kconfig_candidates+=( "/etc/kernels/${GK_FILENAME_CONFIG}" )
if [ -n "${KERNEL_LOCALVERSION}" -a "${KERNEL_LOCALVERSION}" != "UNSET" ]
then
# Look for kernel config based on KERNEL_LOCALVERSION
# which we are going to use, too.
# This will allow user to copy previous kernel config file
# which includes LOV by default to new version when doing
# kernel upgrade since we add $ARCH to $LOV by default.
local user_kconfig="/etc/kernels/kernel-config-${VER}.${PAT}.${SUB}${EXV}${KERNEL_LOCALVERSION}"
# Don't check same file twice
if [[ "${user_kconfig_candidates[@]} " != *"${user_kconfig} "* ]]
then
user_kconfig_candidates+=( ${user_kconfig} )
fi
fi
# Look for genkernel-3.x configs for backward compatibility, too
user_kconfig_candidates+=( "/etc/kernels/kernel-config-${ARCH}-${KV}" )
kconfig_candidates=(
${user_kconfig_candidates[@]}
${gk_kconfig_candidates[@]}
)
fi
local f
for f in "${kconfig_candidates[@]}"
do
[ -z "${f}" ] && continue
if [ -f "${f}" ]
then
if grep -sq THIS_CONFIG_IS_BROKEN "${f}"
then
print_info 2 "$(get_indent 1)- '${f}' is marked as broken; Skipping ..."
else
KERNEL_CONFIG="${f}" && break
fi
else
print_info 2 "$(get_indent 1)- '${f}' not found; Skipping ..."
fi
done
if [ -z "${KERNEL_CONFIG}" ]
then
gen_die 'No kernel .config specified, or file not found!'
fi
fi
KERNEL_CONFIG="$(readlink -f "${KERNEL_CONFIG}")"
# Validate the symlink result if any
if [ -z "${KERNEL_CONFIG}" -o ! -f "${KERNEL_CONFIG}" ]
then
if [ -n "${CMD_KERNEL_CONFIG}" -a "${CMD_KERNEL_CONFIG}" != "default" ]
then
error_msg="No kernel .config: File '${CMD_KERNEL_CONFIG}' not found! "
error_msg+="Check --kernel-config value or unset "
error_msg+="to use default kernel config provided by genkernel."
gen_die "${error_msg}"
else
gen_die "No kernel .config: symlinked file '${KERNEL_CONFIG}' not found!"
fi
fi
}
set_initramfs_compression_method() {
[[ ${#} -ne 1 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes exactly one argument (${#} given)!"
local kernel_config=${1}
local -a KNOWN_INITRAMFS_COMPRESSION_TYPES=()
KNOWN_INITRAMFS_COMPRESSION_TYPES+=( NONE )
KNOWN_INITRAMFS_COMPRESSION_TYPES+=( $(get_initramfs_compression_method_by_compression) )
if [[ "${COMPRESS_INITRD_TYPE}" =~ ^(BEST|FASTEST)$ ]]
then
print_info 5 "Determining '${COMPRESS_INITRD_TYPE}' compression method for initramfs using kernel config '${kernel_config}' ..."
local ranked_methods
if [[ "${COMPRESS_INITRD_TYPE}" == "BEST" ]]
then
ranked_methods=( $(get_initramfs_compression_method_by_compression) )
else
ranked_methods=( $(get_initramfs_compression_method_by_speed) )
fi
local ranked_method
for ranked_method in "${ranked_methods[@]}"
do
print_info 5 "Checking if we can use '${ranked_method}' compression ..."
# Do we have the user space tool?
local compression_tool=${GKICM_LOOKUP_TABLE_CMD[${ranked_method}]/%\ */}
if ! hash ${compression_tool} &>/dev/null
then
print_info 5 "Cannot use '${ranked_method}' compression, the tool '${compression_tool}' to compress initramfs was not found. Is ${GKICM_LOOKUP_TABLE_PKG[${ranked_method}]} installed?"
continue
fi
# Is the kernel able to decompress?
local koption="CONFIG_RD_${ranked_method}"
local value_koption=$(kconfig_get_opt "${kernel_config}" "${koption}")
if [[ "${value_koption}" != "y" ]]
then
print_info 5 "Cannot use '${ranked_method}' compression, kernel option '${koption}' is not set!"
continue
fi
print_info 5 "Will use '${ranked_method}' compression -- all requirements are met!"
COMPRESS_INITRD_TYPE=${ranked_method}
break
done
unset ranked_method ranked_methods koption value_koption
if [[ "${COMPRESS_INITRD_TYPE}" =~ ^(BEST|FASTEST)$ ]]
then
gen_die "None of the initramfs compression methods we tried are supported by your kernel (config file \"${kernel_config}\"), strange!?"
fi
fi
if ! isTrue "${BUILD_KERNEL}"
then
local cfg_DECOMPRESS_SUPPORT=$(kconfig_get_opt "${kernel_config}" "CONFIG_RD_${COMPRESS_INITRD_TYPE}")
if [[ "${cfg_DECOMPRESS_SUPPORT}" != "y" ]]
then
gen_die "The kernel config '${kernel_config}' this initramfs will be built for cannot decompress set --compress-initrd-type '${COMPRESS_INITRD_TYPE}'!"
fi
# If we are not building kernel, there is no point in
# changing kernel config file at all so exit function
# here.
return
fi
local KOPTION_PREFIX=CONFIG_RD_
[ ${KV_NUMERIC} -ge 4010 ] && KOPTION_PREFIX=CONFIG_INITRAMFS_COMPRESSION_
# CONFIG_INITRAMFS_<TYPE> options are only used when CONFIG_INITRAMFS_SOURCE
# is set. However, we cannot just check for INTEGRATED_INITRAMFS option here
# because on first run kernel will still get compiled without
# CONFIG_INITRAMFS_SOURCE set.
local has_initramfs_source=no
local cfg_CONFIG_INITRAMFS_SOURCE=$(kconfig_get_opt "${kernel_config}" "CONFIG_INITRAMFS_SOURCE")
[[ -n "${cfg_CONFIG_INITRAMFS_SOURCE}" && ${#cfg_CONFIG_INITRAMFS_SOURCE} -gt 2 ]] && has_initramfs_source=yes
local KNOWN_INITRAMFS_COMPRESSION_TYPE
local KOPTION_VALUE KOPTION_CURRENT_VALUE
for KNOWN_INITRAMFS_COMPRESSION_TYPE in "${KNOWN_INITRAMFS_COMPRESSION_TYPES[@]}"
do
KOPTION_VALUE=n
if [[ "${KNOWN_INITRAMFS_COMPRESSION_TYPE}" == "${COMPRESS_INITRD_TYPE}" ]]
then
KOPTION_VALUE=y
fi
if isTrue "${has_initramfs_source}"
then
KOPTION_CURRENT_VALUE=$(kconfig_get_opt "${kernel_config}" "${KOPTION_PREFIX}${KNOWN_INITRAMFS_COMPRESSION_TYPE}")
if [[ -n "${KOPTION_CURRENT_VALUE}" ]] \
&& [[ "${KOPTION_VALUE}" != "${KOPTION_CURRENT_VALUE}" ]]
then
# We have to ensure that only the initramfs compression
# we want to use is enabled or the last one listed in
# $KERNEL_DIR/usr/Makefile will be used
# However, no need to set =n value when option isn't set
# at all (this will save us one additional "make oldconfig"
# run due to changed kernel options).
kconfig_set_opt "${kernel_config}" "${KOPTION_PREFIX}${KNOWN_INITRAMFS_COMPRESSION_TYPE}" "${KOPTION_VALUE}"
fi
if [[ "${KOPTION_VALUE}" == "y" ]]
then
echo "${KOPTION_PREFIX}${KNOWN_INITRAMFS_COMPRESSION_TYPE}" >> "${KCONFIG_REQUIRED_OPTIONS}" \
|| gen_die "Failed to add '${KOPTION_PREFIX}${KNOWN_INITRAMFS_COMPRESSION_TYPE}' to '${KCONFIG_REQUIRED_OPTIONS}'!"
fi
fi
if [[ "${KOPTION_VALUE}" == "y" && "${KNOWN_INITRAMFS_COMPRESSION_TYPE}" != "NONE" ]]
then
# Make sure that the kernel can always decompress our initramfs
kconfig_set_opt "${kernel_config}" "CONFIG_RD_${KNOWN_INITRAMFS_COMPRESSION_TYPE}" "${KOPTION_VALUE}"
echo "CONFIG_RD_${KNOWN_INITRAMFS_COMPRESSION_TYPE}" >> "${KCONFIG_REQUIRED_OPTIONS}" \
|| gen_die "Failed to add 'CONFIG_RD_${KNOWN_INITRAMFS_COMPRESSION_TYPE}' to '${KCONFIG_REQUIRED_OPTIONS}'!"
fi
done
}
config_kernel() {
local diff_cmd="$(type -P zdiff 2>/dev/null)"
if [ -z "${diff_cmd}" ]
then
print_warning 5 "zdiff is not available."
diff_cmd="diff"
fi
cd "${KERNEL_DIR}" || gen_die "Failed to chdir to '${KERNEL_DIR}'!"
print_info 1 "kernel: >> Initializing ..."
if isTrue "${CLEAN}" && isTrue "${MRPROPER}"
then
print_info 2 "$(get_indent 1)>> --mrproper is set; Skipping 'make clean' ..."
elif isTrue "${CLEAN}" && ! isTrue "${MRPROPER}"
then
print_info 1 "$(get_indent 1)>> Running 'make clean' ..."
compile_generic clean kernel
else
print_info 1 "$(get_indent 1)>> --no-clean is set; Skipping 'make clean' ..."
fi
if isTrue "${MRPROPER}" || [ -n "${CMD_KERNEL_CONFIG}" -a "${CMD_KERNEL_CONFIG}" = "default" ]
then
# Backup current kernel .config
if [ -f "${KERNEL_OUTPUTDIR}/.config" ]
then
# Current .config is different then one we are going to use
if [ -n "${CMD_KERNEL_CONFIG}" -a "${CMD_KERNEL_CONFIG}" = "default" ] \
|| ! "${diff_cmd}" -q "${KERNEL_OUTPUTDIR}"/.config "${KERNEL_CONFIG}" >/dev/null
then
NOW=$(date +--%Y-%m-%d--%H-%M-%S)
cp "${KERNEL_OUTPUTDIR}/.config" "${KERNEL_OUTPUTDIR}/.config${NOW}.bak" \
|| gen_die "Could not backup kernel config (${KERNEL_OUTPUTDIR}/.config)"
print_info 1 "$(get_indent 1)>> Previous config backed up to .config${NOW}.bak"
if [ -n "${CMD_KERNEL_CONFIG}" -a "${CMD_KERNEL_CONFIG}" = "default" ]
then
print_info 3 "$(get_indent 1)>> Default kernel config was forced; Deleting existing kernel config '${KERNEL_OUTPUTDIR}/.config' ..."
rm "${KERNEL_OUTPUTDIR}/.config" >/dev/null \
|| gen_die "Failed to delete '${KERNEL_OUTPUTDIR}/.config'!"
fi
fi
fi
fi
if isTrue "${MRPROPER}"
then
print_info 1 "$(get_indent 1)>> Running 'make mrproper' ..."
compile_generic mrproper kernel
else
print_info 1 "$(get_indent 1)>> --no-mrproper is set; Skipping 'make mrproper' ..."
fi
if [ ! -f "${KERNEL_OUTPUTDIR}/.config" ]
then
# We always need a kernel config file...
print_info 3 "$(get_indent 1)>> Copying '${KERNEL_CONFIG}' to '${KERNEL_OUTPUTDIR}/.config' ..."
local message="Failed to copy kernel config file '${KERNEL_CONFIG}' to '${KERNEL_OUTPUTDIR}/.config'!"
if isTrue "$(is_gzipped "${KERNEL_CONFIG}")"
then
# Support --kernel-config=/proc/config.gz, mainly
zcat "${KERNEL_CONFIG}" > "${KERNEL_OUTPUTDIR}/.config" || gen_die "${message}"
else
cp -aL "${KERNEL_CONFIG}" "${KERNEL_OUTPUTDIR}/.config" || gen_die "${message}"
fi
else
if ! "${diff_cmd}" -q "${KERNEL_OUTPUTDIR}"/.config "${KERNEL_CONFIG}" >/dev/null
then
print_warning 1 "$(get_indent 1)>> Will ignore kernel config from '${KERNEL_CONFIG}'"
print_warning 1 "$(get_indent 1) in favor of already existing but different kernel config"
print_warning 1 "$(get_indent 1) found in '${KERNEL_OUTPUTDIR}/.config' ..."
else
print_info 3 "$(get_indent 1)>> Can keep using already existing '${KERNEL_OUTPUTDIR}/.config' which is identical to --kernel-config file ..."
fi
fi
if isTrue "${OLDCONFIG}"
then
print_info 1 "$(get_indent 1)>> Running 'make oldconfig' ..."
yes '' 2>/dev/null | compile_generic oldconfig kernel 2>/dev/null
else
print_info 1 "$(get_indent 1)>> --no-oldconfig is set; Skipping 'make oldconfig' ..."
fi
local add_config
if isTrue "${MENUCONFIG}"
then
add_config=menuconfig
elif isTrue "${CMD_NCONFIG}"
then
add_config=nconfig
elif isTrue "${CMD_GCONFIG}"
then
add_config=gconfig
elif isTrue "${CMD_XCONFIG}"
then
add_config=xconfig
fi
if [ -n "${add_config}" ]
then
local kconfig_md5sum_old="$(md5sum < "${KERNEL_OUTPUTDIR}/.config")"
print_info 1 "$(get_indent 1)>> Invoking ${add_config} ..."
compile_generic ${add_config} kernelruntask
local kconfig_md5sum_new="$(md5sum < "${KERNEL_OUTPUTDIR}/.config")"
if [[ "${kconfig_md5sum_old}" == "${kconfig_md5sum_new}" ]]
then
print_warning 1 "$(get_indent 1)>> Kernel config was not modified!"
fi
unset kconfig_md5sum_old kconfig_md5sum_new
fi
local -a required_kernel_options
[ -f "${KCONFIG_MODIFIED_MARKER}" ] && rm "${KCONFIG_MODIFIED_MARKER}"
if isTrue "${BUILD_RAMDISK}"
then
# We really need this or we will fail to boot
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for genkernel's initramfs usage are set ..."
# Ensure kernel supports initramfs
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_INITRD" "y"
# Stuff required by init script
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MMU" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SHMEM" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_TMPFS" "y" \
&& required_kernel_options+=( 'CONFIG_TMPFS' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_TTY" "y" \
&& required_kernel_options+=( 'CONFIG_TTY' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_UNIX98_PTYS" "y" \
&& required_kernel_options+=( 'CONFIG_UNIX98_PTYS' )
# Make sure that CONFIG_INITRAMFS_SOURCE is unset so we don't clash
# with any other genkernel functionality.
local cfg_CONFIG_INITRAMFS_SOURCE=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_INITRAMFS_SOURCE")
if [[ -n "${cfg_CONFIG_INITRAMFS_SOURCE}" && ${#cfg_CONFIG_INITRAMFS_SOURCE} -gt 2 ]]
then
# Checking value length to allow 'CONFIG_INITRAMFS_SOURCE=' and 'CONFIG_INITRAMFS_SOURCE=""'
print_info 2 "$(get_indent 1)>> CONFIG_INITRAMFS_SOURCE is set; Unsetting to avoid problems ..."
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_INITRAMFS_SOURCE" ""
fi
if isTrue "${COMPRESS_INITRD}"
then
set_initramfs_compression_method "${KERNEL_OUTPUTDIR}/.config"
fi
fi
# Force this on if we are using --genzimage
if isTrue "${CMD_GENZIMAGE}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for --genzimage are set ..."
# Make sure Ext2 support is on...
local cfg_CONFIG_EXT2_FS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_EXT2_FS")
if ! isTrue "${cfg_CONFIG_EXT2_FS}"
then
local cfg_CONFIG_EXT4_USE_FOR_EXT2=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_EXT4_USE_FOR_EXT2")
if ! isTrue "${cfg_CONFIG_EXT4_USE_FOR_EXT2}"
then
local cfg_CONFIG_EXT4_FS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_EXT4_FS")
if isTrue "${cfg_CONFIG_EXT4_FS}"
then
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_EXT4_USE_FOR_EXT2" "y" \
&& required_kernel_options+=( 'CONFIG_EXT4_USE_FOR_EXT2' )
else
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLOCK" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_EXT2_FS" "y" \
&& required_kernel_options+=( 'CONFIG_EXT2_FS' )
fi
fi
fi
fi
# --kernel-localversion handling
if [ -n "${KERNEL_LOCALVERSION}" ]
then
local cfg_CONFIG_LOCALVERSION=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_LOCALVERSION")
case "${KERNEL_LOCALVERSION}" in
UNSET)
print_info 2 "$(get_indent 1)>> Ensure that CONFIG_LOCALVERSION is unset ..."
if [ -n "${cfg_CONFIG_LOCALVERSION}" ]
then
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_LOCALVERSION" ""
fi
;;
*)
print_info 2 "$(get_indent 1)>> Ensure that CONFIG_LOCALVERSION is set ..."
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_LOCALVERSION" "\"${KERNEL_LOCALVERSION}\""
;;
esac
fi
# Do we support modules at all?
local cfg_CONFIG_MODULES=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MODULES")
if isTrue "${cfg_CONFIG_MODULES}"
then
# yes, we support modules, set 'm' for new stuff.
local newcfg_setting='m'
# Compare the kernel module compression vs the depmod module compression support
# WARNING: if the buildhost has +XZ but the target machine has -XZ, you will get failures!
local cfg_CONFIG_MODULE_COMPRESS_GZIP=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MODULE_COMPRESS_GZIP")
local cfg_CONFIG_MODULE_COMPRESS_XZ=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MODULE_COMPRESS_XZ")
if isTrue "${cfg_CONFIG_MODULE_COMPRESS_GZIP}"
then
depmod_GZIP=$(depmod -V | tr ' ' '\n' | awk '/ZLIB/{print $1; exit}')
if [[ "${depmod_GZIP}" != "+ZLIB" ]]
then
gen_die 'depmod does not support ZLIB/GZIP, cannot build with CONFIG_MODULE_COMPRESS_GZIP'
fi
elif isTrue "${cfg_CONFIG_MODULE_COMPRESS_XZ}"
then
depmod_XZ=$(depmod -V | tr ' ' '\n' | awk '/XZ/{print $1; exit}')
if [[ "${depmod_XZ}" != "+XZ" ]]
then
gen_die 'depmod does not support XZ, cannot build with CONFIG_MODULE_COMPRESS_XZ'
fi
fi
else
# no, we do NOT support modules, set 'y' for new stuff.
newcfg_setting='y'
if ! isTrue "${BUILD_STATIC}"
then
local _no_modules_support_warning="$(get_indent 1)>> Forcing --static"
if isTrue "${BUILD_RAMDISK}" && isTrue "${RAMDISKMODULES}"
then
_no_modules_support_warning+=" and --no-ramdisk-modules"
RAMDISKMODULES="no"
fi
_no_modules_support_warning+=" to avoid genkernel failures because kernel does NOT support modules ..."
print_warning 1 "${_no_modules_support_warning}"
BUILD_STATIC="yes"
fi
fi
# If the user has configured DM as built-in, we need to respect that.
local cfg_CONFIG_BLK_DEV_DM=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_DM")
case "${cfg_CONFIG_BLK_DEV_DM}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_BLK_DEV_DM=${newcfg_setting}
esac
# Make sure all modules required bcache are enabled in the kernel, if --bcache
if isTrue "${CMD_BCACHE}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for bcache support are set ..."
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BCACHE" "${newcfg_setting}" \
&& required_kernel_options+=( 'CONFIG_BCACHE' )
fi
# Make sure all modues required for MD raid are enabled in the kernel, if --mdadm
if isTrue "${CMD_MDADM}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for MDADM support are set ..."
local cfg_CONFIG_BLK_DEV_MD=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_MD")
case "${cfg_CONFIG_BLK_DEV_MD}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_BLK_DEV_MD=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLOCK" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_DM" "${cfg_CONFIG_BLK_DEV_DM}" \
&& required_kernel_options+=( 'CONFIG_BLK_DEV_DM' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_MD" "${cfg_CONFIG_BLK_DEV_MD}" \
&& required_kernel_options+=( 'CONFIG_BLK_DEV_MD' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD_LINEAR" "${cfg_CONFIG_BLK_DEV_MD}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD_RAID0" "${cfg_CONFIG_BLK_DEV_MD}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD_RAID1" "${cfg_CONFIG_BLK_DEV_MD}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD_RAID10" "${cfg_CONFIG_BLK_DEV_MD}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD_RAID456" "${cfg_CONFIG_BLK_DEV_MD}"
fi
# Make sure lvm modules are enabled in the kernel, if --lvm
if isTrue "${CMD_LVM}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for LVM support are set ..."
local cfg_CONFIG_DM_SNAPSHOT=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_SNAPSHOT")
case "${cfg_CONFIG_DM_SNAPSHOT}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_DM_SNAPSHOT=${newcfg_setting}
esac
local cfg_CONFIG_DM_MIRROR=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_MIRROR")
case "${cfg_CONFIG_DM_MIRROR}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_DM_MIRROR=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLOCK" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_DM" "${cfg_CONFIG_BLK_DEV_DM}" \
&& required_kernel_options+=( 'CONFIG_BLK_DEV_DM' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_SNAPSHOT" "${cfg_CONFIG_DM_SNAPSHOT}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_MIRROR" "${cfg_CONFIG_DM_MIRROR}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FILE_LOCKING" "y" \
&& required_kernel_options+=( 'CONFIG_FILE_LOCKING' )
fi
# Make sure all modules required for cryptsetup/LUKS are enabled in the kernel, if --luks
if isTrue "${CMD_LUKS}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for LUKS support are set ..."
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLOCK" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NET" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_DM" "${cfg_CONFIG_BLK_DEV_DM}" \
&& required_kernel_options+=( 'CONFIG_BLK_DEV_DM' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_CRYPT" "${cfg_CONFIG_BLK_DEV_DM}" \
&& required_kernel_options+=( 'CONFIG_DM_CRYPT' )
local cfg_CONFIG_CRYPTO_AES=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_AES")
case "${cfg_CONFIG_CRYPTO_AES}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_CRYPTO_AES=${newcfg_setting}
esac
local cfg_CONFIG_CRYPTO_SERPENT=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_SERPENT")
case "${cfg_CONFIG_CRYPTO_SERPENT}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_CRYPTO_SERPENT=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_XTS" "${cfg_CONFIG_CRYPTO_AES}" \
&& required_kernel_options+=( 'CONFIG_CRYPTO_XTS' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_SHA256" "${cfg_CONFIG_CRYPTO_AES}" \
&& required_kernel_options+=( 'CONFIG_CRYPTO_SHA256' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_AES" "${cfg_CONFIG_CRYPTO_AES}" \
&& required_kernel_options+=( 'CONFIG_CRYPTO_AES' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_SERPENT" "${cfg_CONFIG_CRYPTO_SERPENT}" \
&& required_kernel_options+=( 'CONFIG_CRYPTO_SERPENT' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_USER_API_HASH" "${cfg_CONFIG_CRYPTO_AES}" \
&& required_kernel_options+=( 'CONFIG_CRYPTO_USER_API_HASH' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_USER_API_SKCIPHER" "${cfg_CONFIG_CRYPTO_AES}" \
&& required_kernel_options+=( 'CONFIG_CRYPTO_USER_API_SKCIPHER' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_USER_API_AEAD" "${cfg_CONFIG_CRYPTO_AES}"
local cfg_CONFIG_X86=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_X86")
case "${cfg_CONFIG_X86}" in
y|m)
cfg_CONFIG_X86=yes
;;
*)
cfg_CONFIG_X86=no
;;
esac
local cfg_CONFIG_64BIT=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_64BIT")
case "${cfg_CONFIG_64BIT}" in
y|m)
cfg_CONFIG_64BIT=yes
;;
*)
cfg_CONFIG_64BIT=no
;;
esac
if isTrue "${cfg_CONFIG_X86}"
then
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_AES_NI_INTEL" "${cfg_CONFIG_CRYPTO_AES}"
if isTrue "${cfg_CONFIG_64BIT}"
then
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_SHA1_SSSE3" "${cfg_CONFIG_CRYPTO_AES}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_SHA256_SSSE3" "${cfg_CONFIG_CRYPTO_AES}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_SERPENT_SSE2_X86_64" "${cfg_CONFIG_CRYPTO_SERPENT}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_SERPENT_AVX_X86_64" "${cfg_CONFIG_CRYPTO_SERPENT}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_SERPENT_AVX2_X86_64" "${cfg_CONFIG_CRYPTO_SERPENT}"
if [ ${KV_NUMERIC} -lt 5004 ]
then
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_AES_X86_64" "${cfg_CONFIG_CRYPTO_AES}"
fi
else
if [ ${KV_NUMERIC} -lt 5004 ]
then
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_AES_586" "${cfg_CONFIG_CRYPTO_AES}"
fi
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_SERPENT_SSE2_586" "${cfg_CONFIG_CRYPTO_SERPENT}"
fi
fi
fi
# Make sure multipath modules are enabled in the kernel, if --multipath
if isTrue "${CMD_MULTIPATH}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for multipath support are set ..."
local cfg_CONFIG_DM_MULTIPATH=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_MULTIPATH")
case "${cfg_CONFIG_DM_MULTIPATH}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_DM_MULTIPATH=${newcfg_setting}
esac
local cfg_CONFIG_DM_MULTIPATH_RDAC=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_MULTIPATH_RDAC")
case "${cfg_CONFIG_DM_MULTIPATH_RDAC}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_DM_MULTIPATH_RDAC=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLOCK" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_DM" "${cfg_CONFIG_BLK_DEV_DM}" \
&& required_kernel_options+=( 'CONFIG_BLK_DEV_DM' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_MULTIPATH" "${cfg_CONFIG_DM_MULTIPATH}" \
&& required_kernel_options+=( 'CONFIG_DM_MULTIPATH' )
fi
# Make sure dmraid modules are enabled in the kernel, if --dmraid
if isTrue "${CMD_DMRAID}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for DMRAID support are set ..."
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLOCK" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MD" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_DM" "${cfg_CONFIG_BLK_DEV_DM}" \
&& required_kernel_options+=( 'CONFIG_BLK_DEV_DM' )
fi
# Make sure iSCSI modules are enabled in the kernel, if --iscsi
if isTrue "${CMD_ISCSI}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for iSCSI support are set ..."
local cfg_CONFIG_ISCSI_BOOT_SYSFS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_ISCSI_BOOT_SYSFS")
case "${cfg_CONFIG_ISCSI_BOOT_SYSFS}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_ISCSI_BOOT_SYSFS=${newcfg_setting}
esac
local cfg_CONFIG_ISCSI_TCP=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_ISCSI_TCP")
case "${cfg_CONFIG_ISCSI_TCP}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_ISCSI_TCP=${newcfg_setting}
esac
local cfg_CONFIG_SCSI_ISCSI_ATTRS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_ISCSI_ATTRS")
case "${cfg_CONFIG_SCSI_ISCSI_ATTRS}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_SCSI_ISCSI_ATTRS=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NET" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_INET" "y"
local cfg_CONFIG_SCSI=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI")
case "${cfg_CONFIG_SCSI}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_SCSI=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI" "${cfg_CONFIG_SCSI}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_LOWLEVEL" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_ISCSI_BOOT_SYSFS" "${cfg_CONFIG_ISCSI_BOOT_SYSFS}" \
&& required_kernel_options+=( 'CONFIG_ISCSI_BOOT_SYSFS' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_ISCSI_TCP" "${cfg_CONFIG_ISCSI_TCP}" \
&& required_kernel_options+=( 'CONFIG_ISCSI_TCP' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_ISCSI_ATTRS" "${cfg_CONFIG_SCSI_ISCSI_ATTRS}" \
&& required_kernel_options+=( 'CONFIG_SCSI_ISCSI_ATTRS' )
fi
# Make sure Hyper-V modules are enabled in the kernel, if --hyperv
if isTrue "${CMD_HYPERV}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for Hyper-V support are set ..."
# Hyper-V deps
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_X86" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_PCI" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_ACPI" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_X86_LOCAL_APIC" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERVISOR_GUEST" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NET" "y"
local cfg_CONFIG_CONNECTOR=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CONNECTOR")
case "${cfg_CONFIG_CONNECTOR}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_CONNECTOR=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CONNECTOR" "${cfg_CONFIG_CONNECTOR}"
local cfg_CONFIG_NLS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NLS")
case "${cfg_CONFIG_NLS}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_NLS=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NLS" "${cfg_CONFIG_NLS}"
local cfg_CONFIG_SCSI=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI")
case "${cfg_CONFIG_SCSI}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_SCSI=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI" "${cfg_CONFIG_SCSI}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_LOWLEVEL" "y"
local cfg_CONFIG_SCSI_FC_ATTRS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_FC_ATTRS")
case "${cfg_CONFIG_SCSI_FC_ATTRS}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_SCSI_FC_ATTRS=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_FC_ATTRS" "${cfg_CONFIG_SCSI_FC_ATTRS}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NETDEVICES" "y"
local cfg_CONFIG_SERIO=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SERIO")
case "${cfg_CONFIG_SERIO}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_SERIO=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SERIO" "${cfg_CONFIG_SERIO}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_PCI_MSI" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_PCI_MSI_IRQ_DOMAIN" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_X86_64" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HAS_IOMEM" "y"
local cfg_CONFIG_FB=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FB")
case "${cfg_CONFIG_FB}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_FB=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FB" "${cfg_CONFIG_FB}"
local cfg_CONFIG_INPUT=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_INPUT")
case "${cfg_CONFIG_INPUT}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_INPUT=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_INPUT" "${cfg_CONFIG_INPUT}"
local cfg_CONFIG_HID=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HID")
case "${cfg_CONFIG_HID}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_HID=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HID" "${cfg_CONFIG_HID}"
local cfg_CONFIG_UIO=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_UIO")
case "${cfg_CONFIG_UIO}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_UIO=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_UIO" "${cfg_CONFIG_UIO}"
# Hyper-V modules, activate in order!
local cfg_CONFIG_HYPERV=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV")
case "${cfg_CONFIG_HYPERV}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_HYPERV=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV" "${cfg_CONFIG_HYPERV}" \
&& required_kernel_options+=( 'CONFIG_HYPERV' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_UTILS" "${cfg_CONFIG_HYPERV}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_BALLOON" "${cfg_CONFIG_HYPERV}" \
&& required_kernel_options+=( 'CONFIG_HYPERV_BALLOON' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_STORAGE" "${cfg_CONFIG_HYPERV}" \
&& required_kernel_options+=( 'CONFIG_HYPERV_STORAGE' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_NET" "${cfg_CONFIG_HYPERV}" \
&& required_kernel_options+=( 'CONFIG_HYPERV_NET' )
if [ ${KV_NUMERIC} -ge 4014 ]
then
local cfg_CONFIG_VSOCKETS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VSOCKETS")
case "${cfg_CONFIG_VSOCKETS}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_VSOCKETS=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VSOCKETS" "${cfg_CONFIG_VSOCKETS}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_VSOCKETS" "${cfg_CONFIG_HYPERV}"
fi
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_KEYBOARD" "${cfg_CONFIG_HYPERV}"
[ ${KV_NUMERIC} -ge 4006 ] &&
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_PCI_HYPERV" "${cfg_CONFIG_HYPERV}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FB_HYPERV" "${cfg_CONFIG_HYPERV}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HID_HYPERV_MOUSE" "${cfg_CONFIG_HYPERV}"
[ ${KV_NUMERIC} -ge 4010 ] &&
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_UIO_HV_GENERIC" "${cfg_CONFIG_HYPERV}"
[ ${KV_NUMERIC} -ge 4012 ] &&
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_TSCPAGE" "y"
fi
# Make sure kernel supports Splash, if --splash
if isTrue "${SPLASH}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for Splash support are set ..."
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FB_SPLASH" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VT" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_TTY" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FB" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FRAMEBUFFER_CONSOLE" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FB_CON_DECOR" "y"
fi
# Make sure VirtIO modules are enabled in the kernel, if --virtio
if isTrue "${CMD_VIRTIO}"
then
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for VirtIO support are set ..."
# VirtIO deps
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLOCK" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_HW" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MMU" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NET" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_PCI" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NETDEVICES" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NET_CORE" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HAS_IOMEM" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HAS_DMA" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_TTY" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_PARAVIRT_GUEST" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SYSFS" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HAS_IOPORT_MAP" "y"
local cfg_CONFIG_SCSI=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI")
case "${cfg_CONFIG_SCSI}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_SCSI=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI" "${cfg_CONFIG_SCSI}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_LOWLEVEL" "y"
local cfg_CONFIG_DRM=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DRM")
case "${cfg_CONFIG_DRM}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_DRM=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DRM" "${cfg_CONFIG_DRM}"
local cfg_CONFIG_HW_RANDOM=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HW_RANDOM")
case "${cfg_CONFIG_HW_RANDOM}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_HW_RANDOM=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HW_RANDOM" "${cfg_CONFIG_HW_RANDOM}"
local cfg_CONFIG_INPUT=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_INPUT")
case "${cfg_CONFIG_INPUT}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_INPUT=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_INPUT" "${cfg_CONFIG_INPUT}"
local cfg_CONFIG_VHOST_NET=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VHOST_NET")
case "${cfg_CONFIG_VHOST_NET}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_VHOST_NET=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VHOST_NET" "${cfg_CONFIG_VHOST_NET}"
if [ ${KV_NUMERIC} -ge 4006 ]
then
local cfg_CONFIG_FW_CFG_SYSFS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FW_CFG_SYSFS")
case "${cfg_CONFIG_FW_CFG_SYSFS}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_FW_CFG_SYSFS=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FW_CFG_SYSFS" "${cfg_CONFIG_FW_CFG_SYSFS}"
fi
local cfg_CONFIG_VIRTIO=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO")
local cfg_CONFIG_SCSI_VIRTIO=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_VIRTIO")
local cfg_CONFIG_VIRTIO_BLK=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_BLK")
local cfg_CONFIG_VIRTIO_NET=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_NET")
local cfg_CONFIG_VIRTIO_PCI=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_PCI")
if \
isTrue "${cfg_CONFIG_VIRTIO}" || \
isTrue "${cfg_CONFIG_SCSI_VIRTIO}" || \
isTrue "${cfg_CONFIG_VIRTIO_BLK}" || \
isTrue "${cfg_CONFIG_VIRTIO_NET}" || \
isTrue "${cfg_CONFIG_VIRTIO_PCI}"
then
# If the user has configured VirtIO as built-in, we need to respect that.
local newvirtio_setting="y"
else
local newvirtio_setting=${newcfg_setting}
fi
# VirtIO modules, activate in order!
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO" "${newvirtio_setting}" \
&& required_kernel_options+=( 'CONFIG_VIRTIO' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_MENU" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_VIRTIO" "${newvirtio_setting}" \
&& required_kernel_options+=( 'CONFIG_SCSI_VIRTIO' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_BLK" "${newvirtio_setting}" \
&& required_kernel_options+=( 'CONFIG_VIRTIO_BLK' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_NET" "${newvirtio_setting}" \
&& required_kernel_options+=( 'CONFIG_VIRTIO_NET' )
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_PCI" "${newvirtio_setting}"
if [ ${KV_NUMERIC} -ge 4011 ]
then
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_BLK_SCSI" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_MQ_VIRTIO" "y"
fi
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_BALLOON" "${newvirtio_setting}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_CONSOLE" "${newvirtio_setting}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_INPUT" "${newvirtio_setting}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DRM_VIRTIO_GPU" "${newvirtio_setting}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HW_RANDOM_VIRTIO" "${newvirtio_setting}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_MMIO" "${newvirtio_setting}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NET_9P" "${newvirtio_setting}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_NET_9P_VIRTIO" "${newvirtio_setting}"
if [ ${KV_NUMERIC} -ge 4008 ]
then
local cfg_CONFIG_VSOCKETS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VSOCKETS")
case "${cfg_CONFIG_VSOCKETS}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_VSOCKETS=${newcfg_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VSOCKETS" "${cfg_CONFIG_VSOCKETS}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_VSOCKETS" "${newvirtio_setting}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_VSOCKETS_COMMON" "${newvirtio_setting}"
fi
[ ${KV_NUMERIC} -ge 4010 ] &&
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_CRYPTO_DEV_VIRTIO" "${newvirtio_setting}"
if [ ${KV_NUMERIC} -ge 5004 ]
then
local cfg_CONFIG_FUSE_FS=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FUSE_FS")
case "${cfg_CONFIG_FUSE_FS}" in
y|m) ;; # Do nothing
*) cfg_CONFIG_FUSE_FS=${newvirtio_setting}
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FUSE_FS" "${cfg_CONFIG_FUSE_FS}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_VIRTIO_FS" "${cfg_CONFIG_FUSE_FS}"
fi
fi
# Microcode setting, intended for early microcode loading, if --microcode
if [[ -n "${MICROCODE}" ]]
then
if isTrue "${KERNEL_SUPPORT_MICROCODE}"
then
local -a kconfigs_microcode
local -a kconfigs_microcode_amd
local -a kconfigs_microcode_intel
print_info 2 "$(get_indent 1)>> Ensure that required kernel options for early microcode loading support are set ..."
kconfigs_microcode+=( 'CONFIG_MICROCODE' )
[ ${KV_NUMERIC} -le 4003 ] && kconfigs_microcode+=( 'CONFIG_MICROCODE_OLD_INTERFACE' )
[ ${KV_NUMERIC} -le 4003 ] && kconfigs_microcode+=( 'CONFIG_MICROCODE_EARLY' )
# Intel
[ ${KV_NUMERIC} -ge 6006 ] && kconfigs_microcode_intel+=( 'CONFIG_CPU_SUP_INTEL' )
[ ${KV_NUMERIC} -lt 6006 ] && kconfigs_microcode_intel+=( 'CONFIG_MICROCODE_INTEL' )
[ ${KV_NUMERIC} -le 4003 ] && kconfigs_microcode_intel+=( 'CONFIG_MICROCODE_INTEL_EARLY' )
# AMD
[ ${KV_NUMERIC} -ge 6006 ] && kconfigs_microcode_amd+=( 'CONFIG_CPU_SUP_AMD' )