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|
#!/bin/bash
# $Id$
# Fills variable KERNEL_CONFIG
determine_config_file() {
for f in \
"${CMD_KERNEL_CONFIG}" \
"/etc/kernels/kernel-config-${ARCH}-${KV}" \
"${GK_SHARE}/arch/${ARCH}/kernel-config-${KV}" \
"${GK_SHARE}/arch/${ARCH}/kernel-config-${VER}.${PAT}" \
"${GK_SHARE}/arch/${ARCH}/generated-config" \
"${GK_SHARE}/arch/${ARCH}/kernel-config" \
"${DEFAULT_KERNEL_CONFIG}" \
; do
if [ -n "${f}" -a -f "${f}" ]
then
if ! grep -sq THIS_CONFIG_IS_BROKEN "$f"
then
KERNEL_CONFIG="$f" && break
fi
fi
done
if [ -z "${KERNEL_CONFIG}" ]
then
gen_die 'Error: No kernel .config specified, or file not found!'
fi
KERNEL_CONFIG="$(readlink -f "${KERNEL_CONFIG}")"
# Validate the symlink result if any
if [ ! -f "${KERNEL_CONFIG}" ]
then
gen_die "Error: No kernel .config: symlinked file not found! ($KERNEL_CONFIG)"
fi
}
config_kernel() {
determine_config_file
cd "${KERNEL_DIR}" || gen_die 'Could not switch to the kernel directory!'
if isTrue "${MRPROPER}"
then
# Backup current kernel .config
if [ -f "${KERNEL_OUTPUTDIR}/.config" ]
then
# Current .config is different then one we are going to use
if ! diff -q "${KERNEL_OUTPUTDIR}"/.config ${KERNEL_CONFIG}
then
NOW=`date +--%Y-%m-%d--%H-%M-%S`
cp "${KERNEL_OUTPUTDIR}/.config" "${KERNEL_OUTPUTDIR}/.config${NOW}.bak" \
|| gen_die "Could not backup kernel config (${KERNEL_OUTPUTDIR}/.config)"
print_info 1 "$(getIndent 1)Previous config backed up to .config${NOW}.bak"
fi
fi
print_info 1 "kernel: Using config from ${KERNEL_CONFIG}"
print_info 1 "$(getIndent 1)>> Running mrproper..."
compile_generic mrproper kernel
else
if [ -f "${KERNEL_OUTPUTDIR}/.config" ]
then
print_info 1 "kernel: Using config from ${KERNEL_OUTPUTDIR}/.config"
else
print_info 1 "kernel: Using config from ${KERNEL_CONFIG}"
fi
print_info 1 "kernel: --mrproper is disabled; not running 'make mrproper'."
fi
# If we're not cleaning a la mrproper, then we don't want to try to overwrite the configs
# or we might remove configurations someone is trying to test.
if isTrue "${MRPROPER}" || [ ! -f "${KERNEL_OUTPUTDIR}/.config" ]
then
local message='Could not copy configuration file!'
if [[ "$(file --brief --mime-type "${KERNEL_CONFIG}")" == application/x-gzip ]]; then
# Support --kernel-config=/proc/config.gz, mainly
zcat "${KERNEL_CONFIG}" > "${KERNEL_OUTPUTDIR}/.config" || gen_die "${message}"
else
cp "${KERNEL_CONFIG}" "${KERNEL_OUTPUTDIR}/.config" || gen_die "${message}"
fi
fi
if isTrue "${OLDCONFIG}"
then
print_info 1 "$(getIndent 1)>> Running oldconfig..."
yes '' 2>/dev/null | compile_generic oldconfig kernel 2>/dev/null
else
print_info 1 "$(getIndent 1)--oldconfig is disabled; not running 'make oldconfig'."
fi
if isTrue "${CLEAN}"
then
print_info 1 "$(getIndent 1)>> Cleaning..."
compile_generic clean kernel
else
print_info 1 "$(getIndent 1)--clean is disabled; not running 'make clean'."
fi
local add_config
if isTrue "${MENUCONFIG}"
then
add_config=menuconfig
elif isTrue "${CMD_NCONFIG}"
then
add_config=nconfig
elif isTrue "${CMD_GCONFIG}"
then
add_config=gconfig
elif isTrue "${CMD_XCONFIG}"
then
add_config=xconfig
fi
if [ x"${add_config}" != x"" ]
then
print_info 1 "$(getIndent 1)>> Invoking ${add_config}..."
compile_generic $add_config kernelruntask
[ "$?" ] || gen_die "Error: ${add_config} failed!"
fi
# Force this on if we are using --genzimage
if isTrue "${CMD_GENZIMAGE}"
then
# Make sure Ext2 support is on...
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_EXT2_FS" "y"
fi
# Do we support modules at all?
cfg_CONFIG_MODULES=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MODULES")
if isTrue "$cfg_CONFIG_MODULES" ; then
# yes, we support modules, set 'm' for new stuff.
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!
cfg_CONFIG_MODULE_COMPRESS_GZIP=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MODULE_COMPRESS_GZIP")
cfg_CONFIG_MODULE_COMPRESS_XZ=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_MODULE_COMPRESS_XZ")
if isTrue "${cfg_CONFIG_MODULE_COMPRESS_GZIP}"; then
depmod_GZIP=$(/sbin/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 "${cfg_CONFIG_MODULE_COMPRESS_XZ}" ; then
depmod_XZ=$(/sbin/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 support modules, set 'y' for new stuff.
newcfg_setting='y'
fi
# If the user has configured DM as built-in, we need to respect that.
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 lvm modules are on if --lvm
if isTrue "${CMD_LVM}"
then
cfg_CONFIG_DM_SNAPSHOT=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_SNAPSHOT")
case "$cfg_CONFIG_DM_SNAPSHOT" in
y|m) ;; # Do nothing
*) cfg_CONFIG_DM_SNAPSHOT=${newcfg_setting}
esac
cfg_CONFIG_DM_MIRROR=$(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_BLK_DEV_DM" "${cfg_CONFIG_BLK_DEV_DM}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_SNAPSHOT" "${cfg_CONFIG_DM_SNAPSHOT}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_MIRROR" "${cfg_CONFIG_DM_MIRROR}"
fi
# Multipath
if isTrue "${CMD_MULTIPATH}"
then
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
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 "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_DM" "${cfg_CONFIG_BLK_DEV_DM}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_MULTIPATH" "${cfg_CONFIG_DM_MULTIPATH}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_DM_MULTIPATH_RDAC" "${cfg_CONFIG_DM_MULTIPATH_RDAC}"
fi
# Make sure dmraid modules are on if --dmraid
if isTrue "${CMD_DMRAID}"
then
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_BLK_DEV_DM" "${cfg_CONFIG_BLK_DEV_DM}"
fi
# Make sure iSCSI modules are enabled in the kernel, if --iscsi
# CONFIG_SCSI_ISCSI_ATTRS
# CONFIG_ISCSI_TCP
if isTrue "${CMD_ISCSI}"
then
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
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
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 "${KERNEL_OUTPUTDIR}/.config" "CONFIG_ISCSI_BOOT_SYSFS" "${cfg_CONFIG_ISCSI_BOOT_SYSFS}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_ISCSI_TCP" "${cfg_CONFIG_ISCSI_TCP}"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_SCSI_ISCSI_ATTRS" "${cfg_CONFIG_SCSI_ISCSI_ATTRS}"
fi
# Make sure HyperV modules are enabled in the kernel, if --hyperv
if isTrue "${CMD_HYPERV}"
then
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_UTILS" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_BALLOON" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_STORAGE" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_NET" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HYPERV_KEYBOARD" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_PCI_HYPERV" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FB_HYPERV" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_HID_HYPERV_MOUSE" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_UIO_HV_GENERIC" "y"
fi
if isTrue "${SPLASH}"
then
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FB_SPLASH" "y"
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "CONFIG_FB_CON_DECOR" "y"
fi
# VirtIO
if isTrue "${CMD_VIRTIO}"
then
for k in \
CONFIG_VIRTIO \
CONFIG_VIRTIO_BALLOON \
CONFIG_VIRTIO_BLK \
CONFIG_VIRTIO_BLK_SCSI \
CONFIG_VIRTIO_CONSOLE \
CONFIG_VIRTIO_INPUT \
CONFIG_VIRTIO_MMIO \
CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES \
CONFIG_VIRTIO_NET \
CONFIG_VIRTIO_PCI \
CONFIG_VIRTIO_VSOCKETS \
\
CONFIG_BLK_MQ_VIRTIO \
CONFIG_CRYPTO_DEV_VIRTIO \
CONFIG_DRM_VIRTIO_GPU \
CONFIG_HW_RANDOM_VIRTIO \
CONFIG_PARAVIRT_GUEST \
CONFIG_SCSI_VIRTIO \
CONFIG_VHOST_NET \
\
CONFIG_FW_CFG_SYSFS \
; do
cfg___virtio_opt=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "$k")
case "$cfg___virtio_opt" in
y|m) ;; # Do nothing
*) cfg___virtio_opt='y'
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "$k" "${cfg___virtio_opt}"
done
fi
# Microcode setting, intended for early microcode loading
# needs to be compiled in.
kconfig_microcode_intel=(CONFIG_MICROCODE_INTEL CONFIG_MICROCODE_INTEL_EARLY)
kconfig_microcode_amd=(CONFIG_MICROCODE_AMD CONFIG_MICROCODE_AMD_EARLY)
if [[ -n "${MICROCODE}" ]]
then
kconfigs=(CONFIG_MICROCODE CONFIG_MICROCODE_OLD_INTERFACE CONFIG_MICROCODE_EARLY)
[[ "$MICROCODE" == all ]] && kconfigs+=( ${kconfig_microcode_amd[@]} ${kconfig_microcode_intel[@]} )
[[ "$MICROCODE" == amd ]] && kconfigs+=( ${kconfig_microcode_amd[@]} )
[[ "$MICROCODE" == intel ]] && kconfigs+=( ${kconfig_microcode_intel[@]} )
for k in "${kconfigs[@]}" ; do
cfg=$(kconfig_get_opt "${KERNEL_OUTPUTDIR}/.config" "$k")
case "$cfg" in
y) ;; # Do nothing
*) cfg='y'
esac
kconfig_set_opt "${KERNEL_OUTPUTDIR}/.config" "$k" "${cfg}"
done
fi
}
|
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