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|
#!/bin/bash
# $Id$
# Fills variable KERNEL_CONFIG
determine_config_file() {
if [ "${CMD_KERNEL_CONFIG}" != "" ]
then
KERNEL_CONFIG="${CMD_KERNEL_CONFIG}"
elif [ -f "/etc/kernels/kernel-config-${ARCH}-${KV}" ]
then
KERNEL_CONFIG="/etc/kernels/kernel-config-${ARCH}-${KV}"
elif [ -f "${GK_SHARE}/arch/${ARCH}/kernel-config-${KV}" ]
then
KERNEL_CONFIG="${GK_SHARE}/arch/${ARCH}/kernel-config-${KV}"
elif [ "${DEFAULT_KERNEL_CONFIG}" != "" -a -f "${DEFAULT_KERNEL_CONFIG}" ]
then
KERNEL_CONFIG="${DEFAULT_KERNEL_CONFIG}"
elif [ -f "${GK_SHARE}/arch/${ARCH}/kernel-config-${VER}.${PAT}" ]
then
KERNEL_CONFIG="${GK_SHARE}/arch/${ARCH}/kernel-config-${VER}.${PAT}"
elif [ -f "${GK_SHARE}/arch/${ARCH}/kernel-config" ]
then
KERNEL_CONFIG="${GK_SHARE}/arch/${ARCH}/kernel-config"
else
gen_die 'Error: No kernel .config specified, or file not found!'
fi
KERNEL_CONFIG="$(readlink -f "${KERNEL_CONFIG}")"
}
config_kernel() {
determine_config_file
cd "${KERNEL_DIR}" || gen_die 'Could not switch to the kernel directory!'
# Backup current kernel .config
if isTrue "${MRPROPER}" || [ ! -f "${KERNEL_OUTPUTDIR}/.config" ]
then
print_info 1 "kernel: Using config from ${KERNEL_CONFIG}"
if [ -f "${KERNEL_OUTPUTDIR}/.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 " Previous config backed up to .config${NOW}.bak"
fi
fi
if isTrue ${MRPROPER}
then
print_info 1 'kernel: >> Running mrproper...'
compile_generic mrproper kernel
else
print_info 1 "kernel: --mrproper is disabled; not running 'make mrproper'."
fi
# If we're not cleaning a la mrproper, then we don't want to try to overwrite the configs
# or we might remove configurations someone is trying to test.
if isTrue "${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 ' >> Running oldconfig...'
yes '' 2>/dev/null | compile_generic oldconfig kernel 2>/dev/null
else
print_info 1 "kernel: --oldconfig is disabled; not running 'make oldconfig'."
fi
if isTrue "${CLEAN}"
then
print_info 1 'kernel: >> Cleaning...'
compile_generic clean kernel
else
print_info 1 "kernel: --clean is disabled; not running 'make clean'."
fi
if isTrue ${MENUCONFIG}
then
print_info 1 'kernel: >> Invoking menuconfig...'
compile_generic menuconfig kernelruntask
[ "$?" ] || gen_die 'Error: menuconfig failed!'
elif isTrue ${CMD_GCONFIG}
then
print_info 1 'kernel: >> Invoking gconfig...'
compile_generic gconfig kernel
[ "$?" ] || gen_die 'Error: gconfig failed!'
CMD_XCONFIG=0
fi
if isTrue ${CMD_XCONFIG}
then
print_info 1 'kernel: >> Invoking xconfig...'
compile_generic xconfig kernel
[ "$?" ] || gen_die 'Error: xconfig failed!'
fi
# Force this on if we are using --genzimage
if isTrue ${CMD_GENZIMAGE}
then
# Make sure Ext2 support is on...
sed -e 's/#\? \?CONFIG_EXT2_FS[ =].*/CONFIG_EXT2_FS=y/g' \
-i ${KERNEL_OUTPUTDIR}/.config
fi
# Make sure lvm modules are on if --lvm
if isTrue ${CMD_LVM}
then
sed -i ${KERNEL_OUTPUTDIR}/.config -e 's/#\? \?CONFIG_BLK_DEV_DM is.*/CONFIG_BLK_DEV_DM=m/g'
sed -i ${KERNEL_OUTPUTDIR}/.config -e 's/#\? \?CONFIG_DM_SNAPSHOT is.*/CONFIG_DM_SNAPSHOT=m/g'
sed -i ${KERNEL_OUTPUTDIR}/.config -e 's/#\? \?CONFIG_DM_MIRROR is.*/CONFIG_DM_MIRROR=m/g'
fi
# Multipath
if isTrue ${CMD_MULTIPATH}
then
sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_BLK_DEV_DM is.*/CONFIG_BLK_DEV_DM=m/g'
sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_DM_MULTIPATH is.*/CONFIG_DM_MULTIPATH=m/g'
sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_DM_MULTIPATH_RDAC is.*/CONFIG_DM_MULTIPATH_RDAC=m/g'
fi
# Make sure dmraid modules are on if --dmraid
if isTrue ${CMD_DMRAID}
then
sed -i ${KERNEL_OUTPUTDIR}/.config -e 's/#\? \?CONFIG_BLK_DEV_DM is.*/CONFIG_BLK_DEV_DM=m/g'
fi
# Make sure iSCSI modules are enabled in the kernel, if --iscsi
# CONFIG_SCSI_ISCSI_ATTRS
# CONFIG_ISCSI_TCP
if isTrue ${CMD_ISCSI}
then
sed -i ${KERNEL_OUTPUTDIR}/.config -e 's/\# CONFIG_ISCSI_TCP is not set/CONFIG_ISCSI_TCP=m/g'
sed -i ${KERNEL_OUTPUTDIR}/.config -e 's/\# CONFIG_SCSI_ISCSI_ATTRS is not set/CONFIG_SCSI_ISCSI_ATTRS=m/g'
sed -i ${KERNEL_OUTPUTDIR}/.config -e 's/CONFIG_ISCSI_TCP=y/CONFIG_ISCSI_TCP=m/g'
sed -i ${KERNEL_OUTPUTDIR}/.config -e 's/CONFIG_SCSI_ISCSI_ATTRS=y/CONFIG_SCSI_ISCSI_ATTRS=m/g'
fi
# Make sure Hyper-V modules are enabled in the kernel, if --hyperv
if isTrue ${CMD_HYPERV}
then
for v in HYPERV HYPERV_UTILS HYPERV_BALLOON HYPERV_STORAGE HYPERV_NET HID_HYPERV_MOUSE ; do
sed -i ${KERNEL_OUTPUTDIR}/.config \
-e "s/^(\# )?(CONFIG_$v)( is not set|=y|=m)/\2=m/g"
done
fi
if isTrue ${SPLASH}
then
sed -i ${KERNEL_OUTPUTDIR}/.config -e 's/#\? \?CONFIG_FB_SPLASH is.*/CONFIG_FB_SPLASH=y/g'
fi
# VirtIO
if isTrue ${CMD_VIRTIO}
then
sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_PARAVIRT_GUEST.*/CONFIG_PARAVIRT_GUEST=y/g'
sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_VIRTIO_PCI.*/CONFIG_VIRTIO_PCI=y/g'
sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_VIRTIO_BALLOON.*/CONFIG_VIRTIO_BALLOON=y/g'
sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_VIRTIO_MMIO.*/CONFIG_VIRTIO_MMIO=y/g'
sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_VIRTIO_BLK.*/CONFIG_VIRTIO_BLK=y/g'
sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_SCSI_VIRTIO.*/CONFIG_SCSI_VIRTIO=y/g'
sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_VIRTIO_NET.*/CONFIG_VIRTIO_NET=y/g'
sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_VHOST_NET.*/CONFIG_VHOST_NET=y/g'
fi
}
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