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451 lines
12 KiB
451 lines
12 KiB
#!/bin/bash
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# Genkernel v3
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PATH="/bin:/usr/bin:/sbin:/usr/sbin"
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GK_V='3.3.11_pre5'
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TMPDIR='/var/tmp/genkernel'
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TODEBUGCACHE=1 # Until an error occurs or DEBUGFILE is fully qualified.
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small_die() {
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echo $1
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exit 1
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}
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source /etc/genkernel.conf || small_die "Could not read /etc/genkernel.conf"
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source ${GK_BIN}/gen_funcs.sh || small_die "Could not read ${GK_BIN}/gen_funcs.sh"
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source ${GK_BIN}/gen_cmdline.sh || gen_die "Could not read ${GK_BIN}/gen_cmdline.sh"
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source ${GK_BIN}/gen_arch.sh || gen_die "Could not read ${GK_BIN}/gen_arch.sh"
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source ${GK_BIN}/gen_determineargs.sh || gen_die "Could not read ${GK_BIN}/gen_determineargs.sh"
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source ${GK_BIN}/gen_compile.sh || gen_die "Could not read ${GK_BIN}/gen_compile.sh"
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source ${GK_BIN}/gen_configkernel.sh || gen_die "Could not read ${GK_BIN}/gen_configkernel.sh"
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source ${GK_BIN}/gen_initrd.sh || gen_die "Could not read ${GK_BIN}/gen_initrd.sh"
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source ${GK_BIN}/gen_initramfs.sh || gen_die "Could not read ${GK_BIN}/gen_initramfs.sh"
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source ${GK_BIN}/gen_moddeps.sh || gen_die "Could not read ${GK_BIN}/gen_moddeps.sh"
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source ${GK_BIN}/gen_package.sh || gen_die "Could not read ${GK_BIN}/gen_package.sh"
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source ${GK_BIN}/gen_bootloader.sh || gen_die "Could not read ${GK_BIN}/gen_bootloader.sh"
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TEMP=${TMPDIR}/$RANDOM.$RANDOM.$RANDOM.$$
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trap_cleanup(){
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# Call exit code of 1 for failure
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cleanup
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exit 1
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}
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cleanup(){
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if [ -n "$TEMP" -a -d "$TEMP" ]; then
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rm -rf "$TEMP"
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fi
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if isTrue ${POSTCLEAR}
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then
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echo
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print_info 1 'RUNNING FINAL CACHE/TMP CLEANUP'
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print_info 1 "CACHE_DIR: ${CACHE_DIR}"
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CLEAR_CACHE_DIR='yes'
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setup_cache_dir
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echo
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print_info 1 "CACHE_CPIO_DIR: ${CACHE_CPIO_DIR}"
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CLEAR_CPIO_CACHE='yes'
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clear_cpio_dir
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echo
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print_info 1 "TMPDIR: ${TMPDIR}"
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clear_tmpdir
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fi
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}
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trap trap_cleanup SIGHUP SIGQUIT SIGINT SIGTERM SIGKILL
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BUILD_KERNEL=0
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BUILD_INITRD=0
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BUILD_MODULES=0
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# Parse all command line options...
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Options=$* # Save for later
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while [ $# -gt 0 ]
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do
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Option=$1; shift
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parse_cmdline $Option
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done
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# Check if no action is specified...
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if [ "${BUILD_KERNEL}" -eq 0 -a "${BUILD_INITRD}" -eq 0 ]
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then
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usage
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exit 1
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fi
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clear_log
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NORMAL=${GOOD} print_info 1 "Gentoo Linux Genkernel; Version ${GK_V}${NORMAL}"
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print_info 1 "Running with options: ${Options}"
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echo
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# Set ${ARCH}
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get_official_arch
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# Read arch-specific config
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source ${ARCH_CONFIG} || gen_die "Could not read ${ARCH_CONFIG}"
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source ${GK_SHARE}/${ARCH}/modules_load || gen_die "Could not read ${GK_SHARE}/${ARCH}/modules_load"
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# Merge modules_load from config
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for group_modules in ${!AMODULES_*}; do
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group="$(echo $group_modules | cut -d_ -f2)"
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eval cmodules="\$$group_modules"
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eval MODULES_${group}=\"\${MODULES_${group}} ${cmodules}\"
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print_info 1 "<config> Merged AMODULES_${group}:'${cmodules}' into MODULES_${group}"
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done
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# Based on genkernel.conf, arch-specific configs, and commandline options,
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# get the real arguments for usage...
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determine_real_args
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[ ! -f "${TEMP}" ] && mkdir -p "${TEMP}"
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setup_cache_dir
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dump_debugcache
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NORMAL=${BOLD} print_info 1 "Linux Kernel ${BOLD}${KV}${NORMAL} for ${BOLD}${ARCH}${NORMAL}..."
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if [ "${BUILD_INITRD}" -ne '0' ]
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then
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if ! has_loop
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then
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modprobe loop 2>/dev/null
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sleep 3
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if ! has_loop
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then
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print_error 1 'The build-host kernel does not appear to have loop device support.'
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print_error 1 'Please load loop support before running genkernel!'
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gen_die 'Load loop support!'
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else
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print_info 1 'loop: "loop" module loaded successfully...'
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fi
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fi
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fi
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# Check /boot is mounted
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if isTrue ${CMD_NOINSTALL}
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then
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isTrue ${MOUNTBOOT} && print_info 2 'Skipping automatic mount of boot'
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else
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if ! egrep -q ' /boot ' /proc/mounts
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then
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if egrep -q '^[^#].+ /boot ' /etc/fstab
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then
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if isTrue ${MOUNTBOOT}
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then
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if ! mount /boot
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then
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print_warning 1 "${BOLD}WARNING${NORMAL}: Failed to mount /boot!"
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echo
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else
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print_info 1 'mount: /boot mounted successfully!'
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fi
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else
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print_warning 1 "${BOLD}WARNING${NORMAL}: No mounted /boot partition detected!"
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print_warning 1 ' Run ``mount /boot`` to mount it!'
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echo
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fi
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fi
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elif isBootRO
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then
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if isTrue ${MOUNTBOOT}
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then
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if ! mount -o remount,rw /boot
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then
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print_warning 1 "${BOLD}WARNING${NORMAL}: Failed to remount /boot RW!"
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echo
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else
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print_info 1 "mount: /boot remounted read/write successfully!"
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BOOTRW=1
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fi
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fi
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fi
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fi
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## Check whether another Genkernel is running
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#GENPIDS="`ps -C genkernel --no-headers -o pid | wc -l`"
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#if [ "${GENPIDS}" -gt '3' ]
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#then
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# [ "${GENPIDS}" -gt '4' ] && EX='s'
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# print_warning 1 "${BOLD}WARNING${NORMAL}: Another Genkernel instance is running under"
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# print_warning 1 " process ID${EX} " 0
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# GENPIDS=`ps -C genkernel --no-headers -o pid`
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# echo -n "${GENPIDS}" | sed -e "s/$$//; s/ /, /g"
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# echo 'halting...'
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# echo
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# print_warning 1 'Running multiple genkernels on the same source tree will cause data loss!'
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# print_info 1 "Press ^C to halt; ^D to continue [ ${BOLD}if${NORMAL} you know what you're doing! ]"
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# echo
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# CTEMP="${TEMP}"
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# TEMP=${TMPDIR-/tmp}
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# TEMP=${TEMP}/genkernel.$RANDOM.$RANDOM.$RANDOM.$$
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# print_info 1 'thread: Running multiple genkernels may cause problems!'
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# print_info 1 "thread: Temporary files reallocated to ${TEMP}..."
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# echo
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#fi
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KERNCACHE_IS_VALID=0
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if [ "${KERNCACHE}" != "" ]
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then
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gen_kerncache_is_valid
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fi
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if [ ${BUILD_KERNEL} -eq 1 -a "${KERNCACHE_IS_VALID}" == "0" ]
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then
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# Configure kernel
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config_kernel
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# Make deps
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compile_dep
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# Make prepare [2.6]
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if [ "${ARCH_HAVENOPREPARE}" = '' ]
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then
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[ "${VER}" -gt '2' ] || [ "${VER}" -eq '2' -a "${PAT}" -ge '6' ] && compile_generic prepare kernel
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fi
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# KV may have changed due to the configuration
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get_KV
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# Compile kernel; If using --genzimage, or building a mips kernel, skip compile
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# till after initrd/initramfs is done
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[ "${GENERATE_Z_IMAGE}" = '' -a "${MIPS_EMBEDDED_IMAGE}" = '' ] && compile_kernel
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# Compile modules
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if [ ${BUILD_MODULES} -eq 1 -a ${BUILD_STATIC} -eq 0 ]
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then
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compile_modules
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fi
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if [ ${SAVE_CONFIG} -eq 1 ]
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then
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print_info 1 "Copying config for successful build to /etc/kernels/kernel-config-${ARCH}-${KV}"
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[ ! -e '/etc/kernels' ] && mkdir -p /etc/kernels
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cp "${KERNEL_DIR}/.config" "/etc/kernels/kernel-config-${ARCH}-${KV}"
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fi
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if [ "${KERNCACHE}" != "" ]
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then
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if [ "${GENERATE_Z_IMAGE}" = '' -a "${MIPS_EMBEDDED_IMAGE}" = '' ]
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then
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gen_kerncache
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fi
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fi
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fi
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if ! isTrue "${CMD_NOINSTALL}"
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then
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if [ "${KERNCACHE}" != "" -a "${KERNCACHE_IS_VALID}" != "0" ]
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then
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gen_kerncache_extract_kernel
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fi
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fi
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if [ "${KERNCACHE}" != "" -a "${KERNCACHE_IS_VALID}" != "0" ]
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then
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[ ${BUILD_STATIC} -eq 0 ] && gen_kerncache_extract_modules
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gen_kerncache_extract_config
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fi
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# Run callback
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if [ "${CMD_CALLBACK}" != "" ]
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then
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print_info 1 "" 1 0
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print_info 1 "Preparing to run callback: \"${CMD_CALLBACK}\"" 0
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CALLBACK_ESCAPE=0
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CALLBACK_COUNT=0
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trap "CALLBACK_ESCAPE=1" TERM KILL INT QUIT ABRT
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while [[ ${CALLBACK_ESCAPE} -eq 0 && ${CALLBACK_COUNT} -lt 5 ]]
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do
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sleep 1; echo -n '.';
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let CALLBACK_COUNT=${CALLBACK_COUNT}+1
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done
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if [ "${CALLBACK_ESCAPE}" -eq 0 ]
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then
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echo
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echo
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eval ${CMD_CALLBACK} | tee -a ${DEBUGFILE}
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CMD_STATUS="${PIPESTATUS[0]}"
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echo
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print_info 1 "<<< Callback exit status: ${CMD_STATUS}"
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[ "${CMD_STATUS}" -ne 0 ] && gen_die '--callback failed!'
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else
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echo
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print_info 1 ">>> Callback cancelled..."
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fi
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trap - TERM KILL INT QUIT ABRT
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print_info 1 "" 1 0
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fi
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if [ "${BUILD_INITRD}" -eq '1' ]
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then
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# Only compile insmod if we're installing modules onto the initrd
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if [ "${NOINITRDMODULES}" = '' ]
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then
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if [ "${KERN_24}" != '1' ]
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then
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# Compile module-init-tools
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[ ${BUILD_STATIC} -eq 0 ] && compile_module_init_tools
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else
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[ ${BUILD_STATIC} -eq 0 ] && compile_modutils
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fi
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fi
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[ "${DISKLABEL}" -eq '1' ] && compile_e2fsprogs
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if [ "${KERN_24}" != '1' -a "${UDEV}" -eq '1' ]
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then
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compile_udev
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else
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DEVFS=1
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UDEV=0
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compile_devfsd
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fi
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if [ "${KERN_24}" != '1' -a "${CMD_BOOTSPLASH}" != '1' ]
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then
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if [ "${BUSYBOX}" -eq '1' ]
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then
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# Compile Busybox
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compile_busybox
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fi
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# Compile initramfs
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create_initramfs
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else
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# Create initrd
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compile_busybox
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create_initrd
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fi
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else
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print_info 1 'initrd: Not building since only the kernel was requested...'
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fi
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# Pegasos fix
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if [ "${GENERATE_Z_IMAGE}" != '' -o "${MIPS_EMBEDDED_IMAGE}" != '' ]
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then
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# Compile kernel, intergrating the initrd into it for Pegasos & mips
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compile_kernel
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# We skipped the kernel build and kerncache generation
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# So do it here
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[ "${KERNCACHE}" != "" ] && gen_kerncache
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fi
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[ "${MINKERNPACKAGE}" != '' ] && gen_minkernpackage
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[ "${MODULESPACKAGE}" != '' ] && gen_modulespackage
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# Clean up...
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[ -n "${CTEMP}" ] && rm -rf "${TEMP}"
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if [ "${BUILD_KERNEL}" -eq '1' ]
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then
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set_bootloader
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print_info 1 ''
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print_info 1 "Kernel compiled successfully!"
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print_info 1 ''
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print_info 1 'Required Kernel Parameters:'
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if [ "${BUILD_INITRD}" -eq '0' ]
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then
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print_info 1 ' root=/dev/$ROOT'
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print_info 1 ' [ And "vga=0x317 splash=verbose" if you use a framebuffer ]'
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print_info 1 ''
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print_info 1 ' Where $ROOT is the device node for your root partition as the'
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print_info 1 ' one specified in /etc/fstab'
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elif [ "${KERN_24}" != '1' -a "${CMD_BOOTSPLASH}" != '1' ]
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then
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print_info 1 ' real_root=/dev/$ROOT'
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print_info 1 ''
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print_info 1 ' Where $ROOT is the device node for your root partition as the'
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print_info 1 ' one specified in /etc/fstab'
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print_info 1 ''
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print_info 1 "If you require Genkernel's hardware detection features; you MUST"
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print_info 1 'tell your bootloader to use the provided INITRAMFS file. Otherwise;'
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print_info 1 'substitute the root argument for the real_root argument if you are'
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print_info 1 'not planning to use the initrd...'
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else
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print_info 1 ' root=/dev/ram0 real_root=/dev/$ROOT init=/linuxrc'
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[ "${INITRD_SIZE}" -ge 4096 ] && print_info 1 " ramdisk_size=${INITRD_SIZE}"
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print_info 1 ''
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print_info 1 ' Where $ROOT is the device node for your root partition as the'
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print_info 1 ' one specified in /etc/fstab'
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print_info 1 ''
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print_info 1 "If you require Genkernel's hardware detection features; you MUST"
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print_info 1 'tell your bootloader to use the provided INITRD file. Otherwise;'
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print_info 1 'substitute the root argument for the real_root argument if you are'
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print_info 1 'not planning to use the initrd...'
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fi
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fi
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if [ "${BUILD_INITRD}" -eq '1' ]
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then
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echo
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print_info 1 'WARNING... WARNING... WARNING...'
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print_info 1 'Additional kernel cmdline arguments that *may* be required to boot properly...'
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[ "${GENSPLASH}" -eq '1' ] && print_info 1 "add \"vga=791 splash=silent,theme:${GENSPLASH_THEME} CONSOLE=/dev/tty1 quiet\" if you use a gensplash framebuffer ]"
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[ "${BOOTSPLASH}" -eq '1' ] && print_info 1 'add "vga=791 splash=silent" if you use a bootsplash framebuffer'
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[ "${LVM2}" -eq '1' ] && print_info 1 'add "dolvm2" for lvm2 support'
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[ "${EVMS2}" -eq '1' ] && print_info 1 'add "doevms2" for evms support'
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[ "${DMRAID}" -eq '1' ] && print_info 1 'add "dodmraid" for dmraid support'
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[ "${DMRAID}" -eq '1' ] && print_info 1 ' or "dodmraid=<additional options>"'
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[ "${UNIONFS}" -eq '1' ] && print_info 1 'add "unionfs" for unionfs support'
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[ "${UNIONFS}" -eq '1' ] && print_info 1 ' or "unionfs=<block_device>"'
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fi
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if [ "${CMD_NOINSTALL}" != '1' -a "${SYMLINK}" = '1' ]
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then
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echo
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print_info 1 'Creating symlinks'
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print_info 1 ' creating kernel name symlink!'
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if [ -e /boot/kernel-${KNAME}-${ARCH}-${KV} ]
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then
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/bin/rm /boot/kernel
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ln -s /boot/kernel-${KNAME}-${ARCH}-${KV} /boot/kernel
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ret=$?
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[ ${ret} = '1' ] && print_error 1 'kernel link failed'
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fi
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if [ "${KERN_24}" != '1' -a "${CMD_BOOTSPLASH}" != '1' ]
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then
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print_info 1 ' creating initramfs name symlink!'
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if [ -e /boot/initramfs-${KNAME}-${ARCH}-${KV} ]
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then
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/bin/rm /boot/initramfs
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ln -s /boot/initramfs-${KNAME}-${ARCH}-${KV} /boot/initramfs
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ret=$?
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[ ${ret} = '1' ] && print_error 1 'initramfs link failed'
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fi
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else
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print_info 1 ' creating initrd name symlink!'
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if [ -e /boot/initrd-${KNAME}-${ARCH}-${KV} ]
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then
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/bin/rm /boot/initrd
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ln -s /boot/initrd-${KNAME}-${ARCH}-${KV} /boot/initrd
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ret=$?
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[ ${ret} = '1' ] && print_error 1 'initrd link failed'
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fi
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fi
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fi
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[ "${BOOTRW}" != '' ] && mount -o remount,ro /boot
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echo
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print_info 1 'Do NOT report kernel bugs as genkernel bugs unless your bug'
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print_info 1 'is about the default genkernel configuration...'
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print_info 1 ''
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print_info 1 'Make sure you have the latest genkernel before reporting bugs.'
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#Final Cleanup
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cleanup
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