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...
121 [ ! -f "${TEMP}" ] && mkdir -p "${TEMP}"
128 NORMAL=${BOLD} print_info 1 "Linux Kernel ${BOLD}${KV}${NORMAL} for ${BOLD}${ARCH}${NORMAL}..."
130 if [ "${BUILD_INITRD}" -ne '0' ]
134 modprobe loop 2>/dev/null
138 print_error 1 'The build-host kernel does not appear to have loop device support.'
139 print_error 1 'Please load loop support before running genkernel!'
140 gen_die 'Load loop support!'
142 print_info 1 'loop: "loop" module loaded successfully...'
147 # Check BOOTDIR is mounted
148 if isTrue ${CMD_NOINSTALL}
150 isTrue ${MOUNTBOOT} && print_info 2 'Skipping automatic mount of boot'
152 [[ -d ${BOOTDIR} ]] || gen_die "${BOOTDIR} is not a directory"
154 if ! egrep -q "[[:space:]]${BOOTDIR}[[:space:]]" /proc/mounts
156 if egrep -q "^[^#].+[[:space:]]${BOOTDIR}[[:space:]]" /etc/fstab
158 if isTrue ${MOUNTBOOT}
160 if ! mount ${BOOTDIR}
162 print_warning 1 "${BOLD}WARNING${NORMAL}: Failed to mount ${BOOTDIR}!"
165 print_info 1 "mount: ${BOOTDIR} mounted successfully!"
168 print_warning 1 "${BOLD}WARNING${NORMAL}: No mounted ${BOOTDIR} partition detected!"
169 print_warning 1 " Run ``mount ${BOOTDIR}`` to mount it!"
175 if isTrue ${MOUNTBOOT}
177 if ! mount -o remount,rw ${BOOTDIR}
179 print_warning 1 "${BOLD}WARNING${NORMAL}: Failed to remount ${BOOTDIR} RW!"
182 print_info 1 "mount: ${BOOTDIR} remounted read/write successfully!"
189 ## Check whether another Genkernel is running
190 #GENPIDS="`ps -C genkernel --no-headers -o pid | wc -l`"
191 #if [ "${GENPIDS}" -gt '3' ]
193 # [ "${GENPIDS}" -gt '4' ] && EX='s'
194 # print_warning 1 "${BOLD}WARNING${NORMAL}: Another Genkernel instance is running under"
195 # print_warning 1 " process ID${EX} " 0
196 # GENPIDS=`ps -C genkernel --no-headers -o pid`
197 # echo -n "${GENPIDS}" | sed -e "s/$$//; s/ /, /g"
200 # print_warning 1 'Running multiple genkernels on the same source tree will cause data loss!'
201 # print_info 1 "Press ^C to halt; ^D to continue [ ${BOLD}if${NORMAL} you know what you're doing! ]"
204 # TEMP=${TMPDIR-/tmp}
205 # TEMP=${TEMP}/genkernel.$RANDOM.$RANDOM.$RANDOM.$$
206 # print_info 1 'thread: Running multiple genkernels may cause problems!'
207 # print_info 1 "thread: Temporary files reallocated to ${TEMP}..."
212 if [ "${KERNCACHE}" != "" ]
214 gen_kerncache_is_valid
217 if [ ${BUILD_KERNEL} -eq '1' -a "${KERNCACHE_IS_VALID}" == "0" ]
226 if [ "${ARCH_HAVENOPREPARE}" = '' ]
228 [ "${VER}" -gt '2' ] || [ "${VER}" -eq '2' -a "${PAT}" -ge '6' ] && compile_generic prepare kernel
231 # KV may have changed due to the configuration
234 # Compile kernel; If using --genzimage, or building a mips kernel, skip
235 # compile until after initrd/initramfs is done
236 [ "${ENABLE_PEGASOS_HACKS}" != 'yes' -a ${BUILD_INITRAMFS} -eq '0' ] && compile_kernel
239 if [ ${BUILD_MODULES} -eq '1' -a ${BUILD_STATIC} -eq '0' ]
244 if [ ${SAVE_CONFIG} -eq '1' ]
246 print_info 1 "Copying config for successful build to /etc/kernels/kernel-config-${ARCH}-${KV}"
247 [ ! -e '/etc/kernels' ] && mkdir -p /etc/kernels
248 cp "${KERNEL_DIR}/.config" "/etc/kernels/kernel-config-${ARCH}-${KV}"
250 if [ "${KERNCACHE}" != "" ]
252 if [ "${ENABLE_PEGASOS_HACKS}" != 'yes' -a ${BUILD_INITRAMFS} -eq 0 ]
259 if ! isTrue "${CMD_NOINSTALL}"
261 if [ "${KERNCACHE}" != "" -a "${KERNCACHE_IS_VALID}" != "0" ]
263 gen_kerncache_extract_kernel
267 if [ "${KERNCACHE}" != "" -a "${KERNCACHE_IS_VALID}" != "0" ]
269 [ ${BUILD_STATIC} -eq '0' ] && gen_kerncache_extract_modules
270 gen_kerncache_extract_config
274 if [ "${CMD_CALLBACK}" != "" ]
277 print_info 1 "Preparing to run callback: \"${CMD_CALLBACK}\"" 0
282 trap "CALLBACK_ESCAPE=1" TERM KILL INT QUIT ABRT
283 while [[ ${CALLBACK_ESCAPE} -eq '0' && ${CALLBACK_COUNT} -lt 5 ]]
285 sleep 1; echo -n '.';
286 let CALLBACK_COUNT=${CALLBACK_COUNT}+1
289 if [ "${CALLBACK_ESCAPE}" -eq '0' ]
293 eval ${CMD_CALLBACK} | tee -a ${LOGFILE}
294 CMD_STATUS="${PIPESTATUS[0]}"
296 print_info 1 "<<< Callback exit status: ${CMD_STATUS}"
297 [ "${CMD_STATUS}" -ne 0 ] && gen_die '--callback failed!'
300 print_info 1 ">>> Callback cancelled..."
302 trap - TERM KILL INT QUIT ABRT
306 if [ "${BUILD_INITRD}" -eq '1' ]
308 [ "${DISKLABEL}" -eq '1' ] && compile_e2fsprogs
310 if [ "${KERN_24}" != '1' ]
312 if [ "${BUSYBOX}" -eq '1' ]
326 print_info 1 'initrd: Not building since only the kernel was requested...'
330 if [ "${ENABLE_PEGASOS_HACKS}" = 'yes' -o ${BUILD_INITRAMFS} -eq 1 ]
332 # Compile kernel, intergrating the initrd into it for Pegasos & mips
335 # We skipped the kernel build and kerncache generation
337 [ "${KERNCACHE}" != "" ] && gen_kerncache
340 [ "${MINKERNPACKAGE}" != '' ] && gen_minkernpackage
341 [ "${MODULESPACKAGE}" != '' ] && gen_modulespackage
344 [ -n "${CTEMP}" ] && rm -rf "${TEMP}"
346 if [ "${BUILD_KERNEL}" -eq '1' ]
350 print_info 1 "Kernel compiled successfully!"
352 print_info 1 'Required Kernel Parameters:'
353 if [ "${BUILD_INITRD}" -eq '0' ]
355 print_info 1 ' root=/dev/$ROOT'
356 print_info 1 ' [ And "vga=0x317 splash=verbose" if you use a framebuffer ]'
358 print_info 1 ' Where $ROOT is the device node for your root partition as the'
359 print_info 1 ' one specified in /etc/fstab'
360 elif [ "${KERN_24}" != '1' ]
362 print_info 1 ' real_root=/dev/$ROOT'
364 print_info 1 ' Where $ROOT is the device node for your root partition as the'
365 print_info 1 ' one specified in /etc/fstab'
367 print_info 1 "If you require Genkernel's hardware detection features; you MUST"
368 print_info 1 'tell your bootloader to use the provided INITRAMFS file. Otherwise;'
369 print_info 1 'substitute the root argument for the real_root argument if you are'
370 print_info 1 'not planning to use the initrd...'
372 print_info 1 ' root=/dev/ram0 real_root=/dev/$ROOT init=/linuxrc'
373 [ "${INITRD_SIZE}" -ge 4096 ] && print_info 1 " ramdisk_size=${INITRD_SIZE}"
375 print_info 1 ' Where $ROOT is the device node for your root partition as the'
376 print_info 1 ' one specified in /etc/fstab'
378 print_info 1 "If you require Genkernel's hardware detection features; you MUST"
379 print_info 1 'tell your bootloader to use the provided INITRD file. Otherwise;'
380 print_info 1 'substitute the root argument for the real_root argument if you are'
381 print_info 1 'not planning to use the initrd...'
385 if [ "${BUILD_INITRD}" -eq '1' ]
388 print_info 1 'WARNING... WARNING... WARNING...'
389 print_info 1 'Additional kernel cmdline arguments that *may* be required to boot properly...'
390 [ "${SPLASH}" -eq '1' ] && print_info 1 "add \"vga=791 splash=silent,theme:${SPLASH_THEME} console=tty1 quiet\" if you use a splash framebuffer ]"
391 [ "${LVM}" -eq '1' ] && print_info 1 'add "dolvm" for lvm support'
392 [ "${EVMS}" -eq '1' ] && print_info 1 'add "doevms" for evms support'
393 [ "${DMRAID}" -eq '1' ] && print_info 1 'add "dodmraid" for dmraid support'
394 [ "${DMRAID}" -eq '1' ] && print_info 1 ' or "dodmraid=<additional options>"'
397 [ "${BOOTRW}" != '' ] && mount -o remount,ro ${BOOTDIR}
400 print_info 1 'Do NOT report kernel bugs as genkernel bugs unless your bug'
401 print_info 1 'is about the default genkernel configuration...'
403 print_info 1 'Make sure you have the latest genkernel before reporting bugs.'