3 PATH="/bin:/usr/bin:/sbin:/usr/sbin"
6 # Set the default for TMPDIR. May be modified by genkernel.conf or the
7 # --tempdir command line option.
8 TMPDIR='/var/tmp/genkernel'
10 TODEBUGCACHE=1 # Until an error occurs or LOGFILE is fully qualified.
20 echo "$1" | cut -f2- -d=
25 # We don't know where our config is, so we check for it, and default to using
26 # /etc/genkernel.conf if nobody has specified one.
29 CMD_GK_CONFIG=`parse_opt "$*"`
33 source ${CMD_GK_CONFIG:-/etc/genkernel.conf} || small_die "Could not read /etc/genkernel.conf"
35 source ${GK_SHARE}/gen_funcs.sh || small_die "Could not read ${GK_SHARE}/gen_funcs.sh"
36 source ${GK_SHARE}/gen_cmdline.sh || gen_die "Could not read ${GK_SHARE}/gen_cmdline.sh"
37 source ${GK_SHARE}/gen_arch.sh || gen_die "Could not read ${GK_SHARE}/gen_arch.sh"
38 source ${GK_SHARE}/gen_determineargs.sh || gen_die "Could not read ${GK_SHARE}/gen_determineargs.sh"
39 source ${GK_SHARE}/gen_compile.sh || gen_die "Could not read ${GK_SHARE}/gen_compile.sh"
40 source ${GK_SHARE}/gen_configkernel.sh || gen_die "Could not read ${GK_SHARE}/gen_configkernel.sh"
41 source ${GK_SHARE}/gen_initrd.sh || gen_die "Could not read ${GK_SHARE}/gen_initrd.sh"
42 source ${GK_SHARE}/gen_initramfs.sh || gen_die "Could not read ${GK_SHARE}/gen_initramfs.sh"
43 source ${GK_SHARE}/gen_moddeps.sh || gen_die "Could not read ${GK_SHARE}/gen_moddeps.sh"
44 source ${GK_SHARE}/gen_package.sh || gen_die "Could not read ${GK_SHARE}/gen_package.sh"
45 source ${GK_SHARE}/gen_bootloader.sh || gen_die "Could not read ${GK_SHARE}/gen_bootloader.sh"
47 TEMP=${TMPDIR}/$RANDOM.$RANDOM.$RANDOM.$$
50 # Call exit code of 1 for failure
56 if [ -n "$TEMP" -a -d "$TEMP" ]; then
60 if isTrue ${POSTCLEAR}
63 print_info 1 'RUNNING FINAL CACHE/TMP CLEANUP'
64 print_info 1 "CACHE_DIR: ${CACHE_DIR}"
68 print_info 1 "TMPDIR: ${TMPDIR}"
73 trap trap_cleanup SIGHUP SIGQUIT SIGINT SIGTERM SIGKILL
78 # Parse all command line options...
79 Options=$* # Save for later
86 # Check if no action is specified...
87 if [ "${BUILD_KERNEL}" -eq '0' -a "${BUILD_INITRD}" -eq '0' ]
94 NORMAL=${GOOD} print_info 1 "Gentoo Linux Genkernel; Version ${GK_V}${NORMAL}"
95 print_info 1 "Running with options: ${Options}"
101 # Read arch-specific config
102 source ${ARCH_CONFIG} || gen_die "Could not read ${ARCH_CONFIG}"
103 source ${GK_SHARE}/${ARCH}/modules_load || gen_die "Could not read ${GK_SHARE}/${ARCH}/modules_load"
105 # Merge modules_load from config
106 for group_modules in ${!AMODULES_*}; do
107 group="$(echo $group_modules | cut -d_ -f2)"
108 eval cmodules="\$$group_modules"
109 eval MODULES_${group}=\"\${MODULES_${group}} ${cmodules}\"
110 print_info 1 "<config> Merged AMODULES_${group}:'${cmodules}' into MODULES_${group}"
114 # Based on genkernel.conf, arch-specific configs, and commandline options,
115 # get the real arguments for usage...
119 [ ! -f "${TEMP}" ] && mkdir -p "${TEMP}"
126 NORMAL=${BOLD} print_info 1 "Linux Kernel ${BOLD}${KV}${NORMAL} for ${BOLD}${ARCH}${NORMAL}..."
128 if [ "${BUILD_INITRD}" -ne '0' ]
132 modprobe loop 2>/dev/null
136 print_error 1 'The build-host kernel does not appear to have loop device support.'
137 print_error 1 'Please load loop support before running genkernel!'
138 gen_die 'Load loop support!'
140 print_info 1 'loop: "loop" module loaded successfully...'
145 # Check BOOTDIR is mounted
146 if isTrue ${CMD_NOINSTALL}
148 isTrue ${MOUNTBOOT} && print_info 2 'Skipping automatic mount of boot'
150 [[ -d ${BOOTDIR} ]] || gen_die "${BOOTDIR} is not a directory"
152 if ! egrep -q "[[:space:]]${BOOTDIR}[[:space:]]" /proc/mounts
154 if egrep -q "^[^#].+[[:space:]]${BOOTDIR}[[:space:]]" /etc/fstab
156 if isTrue ${MOUNTBOOT}
158 if ! mount ${BOOTDIR}
160 print_warning 1 "${BOLD}WARNING${NORMAL}: Failed to mount ${BOOTDIR}!"
163 print_info 1 "mount: ${BOOTDIR} mounted successfully!"
166 print_warning 1 "${BOLD}WARNING${NORMAL}: No mounted ${BOOTDIR} partition detected!"
167 print_warning 1 " Run ``mount ${BOOTDIR}`` to mount it!"
173 if isTrue ${MOUNTBOOT}
175 if ! mount -o remount,rw ${BOOTDIR}
177 print_warning 1 "${BOLD}WARNING${NORMAL}: Failed to remount ${BOOTDIR} RW!"
180 print_info 1 "mount: ${BOOTDIR} remounted read/write successfully!"
187 ## Check whether another Genkernel is running
188 #GENPIDS="`ps -C genkernel --no-headers -o pid | wc -l`"
189 #if [ "${GENPIDS}" -gt '3' ]
191 # [ "${GENPIDS}" -gt '4' ] && EX='s'
192 # print_warning 1 "${BOLD}WARNING${NORMAL}: Another Genkernel instance is running under"
193 # print_warning 1 " process ID${EX} " 0
194 # GENPIDS=`ps -C genkernel --no-headers -o pid`
195 # echo -n "${GENPIDS}" | sed -e "s/$$//; s/ /, /g"
198 # print_warning 1 'Running multiple genkernels on the same source tree will cause data loss!'
199 # print_info 1 "Press ^C to halt; ^D to continue [ ${BOLD}if${NORMAL} you know what you're doing! ]"
202 # TEMP=${TMPDIR-/tmp}
203 # TEMP=${TEMP}/genkernel.$RANDOM.$RANDOM.$RANDOM.$$
204 # print_info 1 'thread: Running multiple genkernels may cause problems!'
205 # print_info 1 "thread: Temporary files reallocated to ${TEMP}..."
210 if [ "${KERNCACHE}" != "" ]
212 gen_kerncache_is_valid
215 if [ ${BUILD_KERNEL} -eq '1' -a "${KERNCACHE_IS_VALID}" == "0" ]
224 if [ "${ARCH_HAVENOPREPARE}" = '' ]
226 [ "${VER}" -gt '2' ] || [ "${VER}" -eq '2' -a "${PAT}" -ge '6' ] && compile_generic prepare kernel
229 # KV may have changed due to the configuration
232 # Compile kernel; If using --genzimage, or building a mips kernel, skip
233 # compile until after initrd/initramfs is done
234 [ "${ENABLE_PEGASOS_HACKS}" != 'yes' -a ${BUILD_INITRAMFS} -eq '0' ] && compile_kernel
237 if [ ${BUILD_MODULES} -eq '1' -a ${BUILD_STATIC} -eq '0' ]
242 if [ ${SAVE_CONFIG} -eq '1' ]
244 print_info 1 "Copying config for successful build to /etc/kernels/kernel-config-${ARCH}-${KV}"
245 [ ! -e '/etc/kernels' ] && mkdir -p /etc/kernels
246 cp "${KERNEL_DIR}/.config" "/etc/kernels/kernel-config-${ARCH}-${KV}"
248 if [ "${KERNCACHE}" != "" ]
250 if [ "${ENABLE_PEGASOS_HACKS}" != 'yes' -a ${BUILD_INITRAMFS} -eq 0 ]
257 if ! isTrue "${CMD_NOINSTALL}"
259 if [ "${KERNCACHE}" != "" -a "${KERNCACHE_IS_VALID}" != "0" ]
261 gen_kerncache_extract_kernel
265 if [ "${KERNCACHE}" != "" -a "${KERNCACHE_IS_VALID}" != "0" ]
267 [ ${BUILD_STATIC} -eq '0' ] && gen_kerncache_extract_modules
268 gen_kerncache_extract_config
272 if [ "${CMD_CALLBACK}" != "" ]
275 print_info 1 "Preparing to run callback: \"${CMD_CALLBACK}\"" 0
280 trap "CALLBACK_ESCAPE=1" TERM KILL INT QUIT ABRT
281 while [[ ${CALLBACK_ESCAPE} -eq '0' && ${CALLBACK_COUNT} -lt 5 ]]
283 sleep 1; echo -n '.';
284 let CALLBACK_COUNT=${CALLBACK_COUNT}+1
287 if [ "${CALLBACK_ESCAPE}" -eq '0' ]
291 eval ${CMD_CALLBACK} | tee -a ${LOGFILE}
292 CMD_STATUS="${PIPESTATUS[0]}"
294 print_info 1 "<<< Callback exit status: ${CMD_STATUS}"
295 [ "${CMD_STATUS}" -ne 0 ] && gen_die '--callback failed!'
298 print_info 1 ">>> Callback cancelled..."
300 trap - TERM KILL INT QUIT ABRT
304 if [ "${BUILD_INITRD}" -eq '1' ]
306 [ "${DISKLABEL}" -eq '1' ] && compile_e2fsprogs
308 if [ "${KERN_24}" -eq '1' ]
313 if [ "${KERN_24}" != '1' ]
315 if [ "${BUSYBOX}" -eq '1' ]
329 print_info 1 'initrd: Not building since only the kernel was requested...'
333 if [ "${ENABLE_PEGASOS_HACKS}" = 'yes' -o ${BUILD_INITRAMFS} -eq 1 ]
335 # Compile kernel, intergrating the initrd into it for Pegasos & mips
338 # We skipped the kernel build and kerncache generation
340 [ "${KERNCACHE}" != "" ] && gen_kerncache
343 [ "${MINKERNPACKAGE}" != '' ] && gen_minkernpackage
344 [ "${MODULESPACKAGE}" != '' ] && gen_modulespackage
347 [ -n "${CTEMP}" ] && rm -rf "${TEMP}"
349 if [ "${BUILD_KERNEL}" -eq '1' ]
353 print_info 1 "Kernel compiled successfully!"
355 print_info 1 'Required Kernel Parameters:'
356 if [ "${BUILD_INITRD}" -eq '0' ]
358 print_info 1 ' root=/dev/$ROOT'
359 print_info 1 ' [ And "vga=0x317 splash=verbose" if you use a framebuffer ]'
361 print_info 1 ' Where $ROOT is the device node for your root partition as the'
362 print_info 1 ' one specified in /etc/fstab'
363 elif [ "${KERN_24}" != '1' ]
365 print_info 1 ' real_root=/dev/$ROOT'
367 print_info 1 ' Where $ROOT is the device node for your root partition as the'
368 print_info 1 ' one specified in /etc/fstab'
370 print_info 1 "If you require Genkernel's hardware detection features; you MUST"
371 print_info 1 'tell your bootloader to use the provided INITRAMFS file. Otherwise;'
372 print_info 1 'substitute the root argument for the real_root argument if you are'
373 print_info 1 'not planning to use the initrd...'
375 print_info 1 ' root=/dev/ram0 real_root=/dev/$ROOT init=/linuxrc'
376 [ "${INITRD_SIZE}" -ge 4096 ] && print_info 1 " ramdisk_size=${INITRD_SIZE}"
378 print_info 1 ' Where $ROOT is the device node for your root partition as the'
379 print_info 1 ' one specified in /etc/fstab'
381 print_info 1 "If you require Genkernel's hardware detection features; you MUST"
382 print_info 1 'tell your bootloader to use the provided INITRD file. Otherwise;'
383 print_info 1 'substitute the root argument for the real_root argument if you are'
384 print_info 1 'not planning to use the initrd...'
388 if [ "${BUILD_INITRD}" -eq '1' ]
391 print_info 1 'WARNING... WARNING... WARNING...'
392 print_info 1 'Additional kernel cmdline arguments that *may* be required to boot properly...'
393 [ "${SPLASH}" -eq '1' ] && print_info 1 "add \"vga=791 splash=silent,theme:${SPLASH_THEME} console=tty1 quiet\" if you use a splash framebuffer ]"
394 [ "${LVM}" -eq '1' ] && print_info 1 'add "dolvm" for lvm support'
395 [ "${EVMS}" -eq '1' ] && print_info 1 'add "doevms" for evms support'
396 [ "${DMRAID}" -eq '1' ] && print_info 1 'add "dodmraid" for dmraid support'
397 [ "${DMRAID}" -eq '1' ] && print_info 1 ' or "dodmraid=<additional options>"'
398 [ "${UNIONFS}" -eq '1' ] && print_info 1 'add "unionfs" for unionfs support'
399 [ "${UNIONFS}" -eq '1' ] && print_info 1 ' or "unionfs=<block_device>"'
402 [ "${BOOTRW}" != '' ] && mount -o remount,ro ${BOOTDIR}
405 print_info 1 'Do NOT report kernel bugs as genkernel bugs unless your bug'
406 print_info 1 'is about the default genkernel configuration...'
408 print_info 1 'Make sure you have the latest genkernel before reporting bugs.'