3 PATH="${PATH}:/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 # Pull in our configuration
34 source ${CMD_GK_CONFIG:-/etc/genkernel.conf} || small_die "Could not read /etc/genkernel.conf"
36 # Start sourcing other scripts
37 source ${GK_SHARE}/gen_funcs.sh || small_die "Could not read ${GK_SHARE}/gen_funcs.sh"
38 source ${GK_SHARE}/gen_cmdline.sh || gen_die "Could not read ${GK_SHARE}/gen_cmdline.sh"
39 source ${GK_SHARE}/gen_arch.sh || gen_die "Could not read ${GK_SHARE}/gen_arch.sh"
40 source ${GK_SHARE}/gen_determineargs.sh || gen_die "Could not read ${GK_SHARE}/gen_determineargs.sh"
41 source ${GK_SHARE}/gen_compile.sh || gen_die "Could not read ${GK_SHARE}/gen_compile.sh"
42 source ${GK_SHARE}/gen_configkernel.sh || gen_die "Could not read ${GK_SHARE}/gen_configkernel.sh"
43 source ${GK_SHARE}/gen_initrd.sh || gen_die "Could not read ${GK_SHARE}/gen_initrd.sh"
44 source ${GK_SHARE}/gen_initramfs.sh || gen_die "Could not read ${GK_SHARE}/gen_initramfs.sh"
45 source ${GK_SHARE}/gen_moddeps.sh || gen_die "Could not read ${GK_SHARE}/gen_moddeps.sh"
46 source ${GK_SHARE}/gen_package.sh || gen_die "Could not read ${GK_SHARE}/gen_package.sh"
47 source ${GK_SHARE}/gen_bootloader.sh || gen_die "Could not read ${GK_SHARE}/gen_bootloader.sh"
49 TEMP=${TMPDIR}/$RANDOM.$RANDOM.$RANDOM.$$
52 # Call exit code of 1 for failure
58 if [ -n "$TEMP" -a -d "$TEMP" ]; then
62 if isTrue ${POSTCLEAR}
65 print_info 1 'RUNNING FINAL CACHE/TMP CLEANUP'
66 print_info 1 "CACHE_DIR: ${CACHE_DIR}"
70 print_info 1 "TMPDIR: ${TMPDIR}"
75 trap trap_cleanup SIGHUP SIGQUIT SIGINT SIGTERM SIGKILL
80 # Parse all command line options...
81 Options=$* # Save for later
88 # Check if no action is specified...
89 if [ "${BUILD_KERNEL}" -eq '0' -a "${BUILD_INITRD}" -eq '0' ]
96 NORMAL=${GOOD} print_info 1 "Gentoo Linux Genkernel; Version ${GK_V}${NORMAL}"
97 print_info 1 "Running with options: ${Options}"
103 # Read arch-specific config
104 source ${ARCH_CONFIG} || gen_die "Could not read ${ARCH_CONFIG}"
105 source ${GK_SHARE}/${ARCH}/modules_load || gen_die "Could not read ${GK_SHARE}/${ARCH}/modules_load"
107 # Merge modules_load from config
108 for group_modules in ${!AMODULES_*}; do
109 group="$(echo $group_modules | cut -d_ -f2)"
110 eval cmodules="\$$group_modules"
111 eval MODULES_${group}=\"\${MODULES_${group}} ${cmodules}\"
112 print_info 1 "<config> Merged AMODULES_${group}:'${cmodules}' into MODULES_${group}"
116 # Based on genkernel.conf, arch-specific configs, and commandline options,
117 # get the real arguments for usage...
123 [ ! -f "${TEMP}" ] && mkdir -p "${TEMP}"
130 NORMAL=${BOLD} print_info 1 "Linux Kernel ${BOLD}${KV}${NORMAL} for ${BOLD}${ARCH}${NORMAL}..."
132 if [ "${BUILD_INITRD}" -ne '0' ]
136 modprobe loop 2>/dev/null
140 print_error 1 'The build-host kernel does not appear to have loop device support.'
141 print_error 1 'Please load loop support before running genkernel!'
142 gen_die 'Load loop support!'
144 print_info 1 'loop: "loop" module loaded successfully...'
149 # Check BOOTDIR is mounted
150 if isTrue ${CMD_NOINSTALL}
152 isTrue ${MOUNTBOOT} && print_info 2 'Skipping automatic mount of boot'
154 [[ -d ${BOOTDIR} ]] || gen_die "${BOOTDIR} is not a directory"
156 if ! egrep -q "[[:space:]]${BOOTDIR}[[:space:]]" /proc/mounts
158 if egrep -q "^[^#].+[[:space:]]${BOOTDIR}[[:space:]]" /etc/fstab
160 if isTrue ${MOUNTBOOT}
162 if ! mount ${BOOTDIR}
164 print_warning 1 "${BOLD}WARNING${NORMAL}: Failed to mount ${BOOTDIR}!"
167 print_info 1 "mount: ${BOOTDIR} mounted successfully!"
170 print_warning 1 "${BOLD}WARNING${NORMAL}: No mounted ${BOOTDIR} partition detected!"
171 print_warning 1 " Run ``mount ${BOOTDIR}`` to mount it!"
177 if isTrue ${MOUNTBOOT}
179 if ! mount -o remount,rw ${BOOTDIR}
181 print_warning 1 "${BOLD}WARNING${NORMAL}: Failed to remount ${BOOTDIR} RW!"
184 print_info 1 "mount: ${BOOTDIR} remounted read/write successfully!"
191 ## Check whether another Genkernel is running
192 #GENPIDS="`ps -C genkernel --no-headers -o pid | wc -l`"
193 #if [ "${GENPIDS}" -gt '3' ]
195 # [ "${GENPIDS}" -gt '4' ] && EX='s'
196 # print_warning 1 "${BOLD}WARNING${NORMAL}: Another Genkernel instance is running under"
197 # print_warning 1 " process ID${EX} " 0
198 # GENPIDS=`ps -C genkernel --no-headers -o pid`
199 # echo -n "${GENPIDS}" | sed -e "s/$$//; s/ /, /g"
202 # print_warning 1 'Running multiple genkernels on the same source tree will cause data loss!'
203 # print_info 1 "Press ^C to halt; ^D to continue [ ${BOLD}if${NORMAL} you know what you're doing! ]"
206 # TEMP=${TMPDIR-/tmp}
207 # TEMP=${TEMP}/genkernel.$RANDOM.$RANDOM.$RANDOM.$$
208 # print_info 1 'thread: Running multiple genkernels may cause problems!'
209 # print_info 1 "thread: Temporary files reallocated to ${TEMP}..."
214 if [ "${KERNCACHE}" != "" ]
216 gen_kerncache_is_valid
219 if [ ${BUILD_KERNEL} -eq '1' -a "${KERNCACHE_IS_VALID}" == "0" ]
228 if [ "${ARCH_HAVENOPREPARE}" = '' ]
230 [ "${VER}" -gt '2' ] || [ "${VER}" -eq '2' -a "${PAT}" -ge '6' ] && compile_generic prepare kernel
233 # KV may have changed due to the configuration
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}"
250 if ! isTrue "${CMD_NOINSTALL}"
252 if [ "${KERNCACHE}" != "" -a "${KERNCACHE_IS_VALID}" != "0" ]
254 gen_kerncache_extract_kernel
258 if [ "${KERNCACHE}" != "" -a "${KERNCACHE_IS_VALID}" != "0" ]
260 [ ${BUILD_STATIC} -eq '0' ] && gen_kerncache_extract_modules
261 gen_kerncache_extract_config
265 if [ "${CMD_CALLBACK}" != "" ]
268 print_info 1 "Preparing to run callback: \"${CMD_CALLBACK}\"" 0
273 trap "CALLBACK_ESCAPE=1" TERM KILL INT QUIT ABRT
274 while [[ ${CALLBACK_ESCAPE} -eq '0' && ${CALLBACK_COUNT} -lt 5 ]]
276 sleep 1; echo -n '.';
277 let CALLBACK_COUNT=${CALLBACK_COUNT}+1
280 if [ "${CALLBACK_ESCAPE}" -eq '0' ]
284 eval ${CMD_CALLBACK} | tee -a ${LOGFILE}
285 CMD_STATUS="${PIPESTATUS[0]}"
287 print_info 1 "<<< Callback exit status: ${CMD_STATUS}"
288 [ "${CMD_STATUS}" -ne 0 ] && gen_die '--callback failed!'
291 print_info 1 ">>> Callback cancelled..."
293 trap - TERM KILL INT QUIT ABRT
297 if [ "${BUILD_INITRD}" -eq '1' ]
299 [ "${DISKLABEL}" -eq '1' ] && compile_e2fsprogs
301 if [ "${KERN_24}" != '1' ]
303 if [ "${BUSYBOX}" -eq '1' ]
317 print_info 1 'initrd: Not building since only the kernel was requested...'
320 if isTrue "${INTEGRATED_INITRAMFS}" || [ ${BUILD_KERNEL} -eq '1' -a "${KERNCACHE_IS_VALID}" == "0" ]
324 # We skipped the kernel build and kerncache generation
326 [ "${KERNCACHE}" != "" ] && gen_kerncache
329 [ "${MINKERNPACKAGE}" != '' ] && gen_minkernpackage
330 [ "${MODULESPACKAGE}" != '' ] && gen_modulespackage
333 [ -n "${CTEMP}" ] && rm -rf "${TEMP}"
335 if [ "${BUILD_KERNEL}" -eq '1' ]
339 print_info 1 "Kernel compiled successfully!"
341 print_info 1 'Required Kernel Parameters:'
342 if [ "${BUILD_INITRD}" -eq '0' ]
344 print_info 1 ' root=/dev/$ROOT'
345 print_info 1 ' [ And "vga=0x317 splash=verbose" if you use a framebuffer ]'
347 print_info 1 ' Where $ROOT is the device node for your root partition as the'
348 print_info 1 ' one specified in /etc/fstab'
349 elif [ "${KERN_24}" != '1' ]
351 print_info 1 ' real_root=/dev/$ROOT'
353 print_info 1 ' Where $ROOT is the device node for your root partition as the'
354 print_info 1 ' one specified in /etc/fstab'
356 print_info 1 "If you require Genkernel's hardware detection features; you MUST"
357 print_info 1 'tell your bootloader to use the provided INITRAMFS file. Otherwise;'
358 print_info 1 'substitute the root argument for the real_root argument if you are'
359 print_info 1 'not planning to use the initrd...'
361 print_info 1 ' root=/dev/ram0 real_root=/dev/$ROOT init=/linuxrc'
362 [ "${INITRD_SIZE}" -ge 4096 ] && print_info 1 " ramdisk_size=${INITRD_SIZE}"
364 print_info 1 ' Where $ROOT is the device node for your root partition as the'
365 print_info 1 ' one specified in /etc/fstab'
367 print_info 1 "If you require Genkernel's hardware detection features; you MUST"
368 print_info 1 'tell your bootloader to use the provided INITRD file. Otherwise;'
369 print_info 1 'substitute the root argument for the real_root argument if you are'
370 print_info 1 'not planning to use the initrd...'
374 if [ "${BUILD_INITRD}" -eq '1' ]
377 print_info 1 'WARNING... WARNING... WARNING...'
378 print_info 1 'Additional kernel cmdline arguments that *may* be required to boot properly...'
379 [ "${SPLASH}" -eq '1' ] && print_info 1 "add \"vga=791 splash=silent,theme:${SPLASH_THEME} console=tty1 quiet\" if you use a splash framebuffer ]"
380 [ "${LVM}" -eq '1' ] && print_info 1 'add "dolvm" for lvm support'
381 [ "${EVMS}" -eq '1' ] && print_info 1 'add "doevms" for evms support'
382 [ "${DMRAID}" -eq '1' ] && print_info 1 'add "dodmraid" for dmraid support'
383 [ "${DMRAID}" -eq '1' ] && print_info 1 ' or "dodmraid=<additional options>"'
386 [ "${BOOTRW}" != '' ] && mount -o remount,ro ${BOOTDIR}
389 print_info 1 'Do NOT report kernel bugs as genkernel bugs unless your bug'
390 print_info 1 'is about the default genkernel configuration...'
392 print_info 1 'Make sure you have the latest genkernel before reporting bugs.'