4 PATH="${PATH}:/sbin:/usr/sbin"
7 # Set the default for TMPDIR. May be modified by genkernel.conf or the
8 # --tempdir command line option.
9 TMPDIR='/var/tmp/genkernel'
11 TODEBUGCACHE=1 # Until an error occurs or LOGFILE is fully qualified.
21 echo "$1" | cut -f2- -d=
26 # We don't know where our config is, so we check for it, and default to using
27 # /etc/genkernel.conf if nobody has specified one.
30 CMD_GK_CONFIG=`parse_opt "$*"`
34 # Pull in our configuration
35 source ${CMD_GK_CONFIG:-/etc/genkernel.conf} || small_die "Could not read /etc/genkernel.conf"
37 # Start sourcing other scripts
38 source ${GK_SHARE}/gen_funcs.sh || small_die "Could not read ${GK_SHARE}/gen_funcs.sh"
39 source ${GK_SHARE}/gen_cmdline.sh || gen_die "Could not read ${GK_SHARE}/gen_cmdline.sh"
40 source ${GK_SHARE}/gen_arch.sh || gen_die "Could not read ${GK_SHARE}/gen_arch.sh"
41 source ${GK_SHARE}/gen_determineargs.sh || gen_die "Could not read ${GK_SHARE}/gen_determineargs.sh"
42 source ${GK_SHARE}/gen_compile.sh || gen_die "Could not read ${GK_SHARE}/gen_compile.sh"
43 source ${GK_SHARE}/gen_configkernel.sh || gen_die "Could not read ${GK_SHARE}/gen_configkernel.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}" = '0' -a "${BUILD_RAMDISK}" = '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/${ARCH}/modules_load || gen_die "Could not read ${GK_SHARE}/arch/${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...
120 determine_config_file
124 [ ! -f "${TEMP}" ] && mkdir -p "${TEMP}"
132 NORMAL=${BOLD} print_info 1 "Linux Kernel ${BOLD}${KV}${NORMAL} for ${BOLD}${ARCH}${NORMAL}..."
133 print_info 1 ".. with config file ${KERNEL_CONFIG}"
135 # Check BOOTDIR is mounted
136 if ! isTrue ${CMD_INSTALL}
138 isTrue ${MOUNTBOOT} && print_info 2 'Skipping automatic mount of boot'
140 [[ -d ${BOOTDIR} ]] || gen_die "${BOOTDIR} is not a directory"
142 if ! egrep -q "[[:space:]]${BOOTDIR}[[:space:]]" /proc/mounts
144 if egrep -q "^[^#].+[[:space:]]${BOOTDIR}[[:space:]]" /etc/fstab
146 if isTrue ${MOUNTBOOT}
148 if ! mount ${BOOTDIR}
150 print_warning 1 "${BOLD}WARNING${NORMAL}: Failed to mount ${BOOTDIR}!"
153 print_info 1 "mount: ${BOOTDIR} mounted successfully!"
156 print_warning 1 "${BOLD}WARNING${NORMAL}: No mounted ${BOOTDIR} partition detected!"
157 print_warning 1 " Run ``mount ${BOOTDIR}`` to mount it!"
163 if isTrue ${MOUNTBOOT}
165 if ! mount -o remount,rw ${BOOTDIR}
167 print_warning 1 "${BOLD}WARNING${NORMAL}: Failed to remount ${BOOTDIR} RW!"
170 print_info 1 "mount: ${BOOTDIR} remounted read/write successfully!"
177 ## Check whether another Genkernel is running
178 #GENPIDS="`ps -C genkernel --no-headers -o pid | wc -l`"
179 #if [ "${GENPIDS}" -gt '3' ]
181 # [ "${GENPIDS}" -gt '4' ] && EX='s'
182 # print_warning 1 "${BOLD}WARNING${NORMAL}: Another Genkernel instance is running under"
183 # print_warning 1 " process ID${EX} " 0
184 # GENPIDS=`ps -C genkernel --no-headers -o pid`
185 # echo -n "${GENPIDS}" | sed -e "s/$$//; s/ /, /g"
188 # print_warning 1 'Running multiple genkernels on the same source tree will cause data loss!'
189 # print_info 1 "Press ^C to halt; ^D to continue [ ${BOLD}if${NORMAL} you know what you're doing! ]"
192 # TEMP=${TMPDIR-/tmp}
193 # TEMP=${TEMP}/genkernel.$RANDOM.$RANDOM.$RANDOM.$$
194 # print_info 1 'thread: Running multiple genkernels may cause problems!'
195 # print_info 1 "thread: Temporary files reallocated to ${TEMP}..."
200 if [ "${KERNCACHE}" != "" ]
202 gen_kerncache_is_valid
205 if [ ${BUILD_KERNEL} = '1' -a "${KERNCACHE_IS_VALID}" = '0' ]
211 if [ "${ARCH_HAVENOPREPARE}" = '' ]
213 compile_generic prepare kernel
216 # KV may have changed due to the configuration
222 if [ "${BUILD_MODULES}" = '1' -a "${BUILD_STATIC}" = '0' ]
227 if [ "${SAVE_CONFIG}" = '1' ]
229 print_info 1 "Copying config for successful build to /etc/kernels/kernel-config-${ARCH}-${KV}"
230 [ ! -e '/etc/kernels' ] && mkdir -p /etc/kernels
231 cp "${KERNEL_DIR}/.config" "/etc/kernels/kernel-config-${ARCH}-${KV}"
235 if isTrue "${CMD_INSTALL}"
237 if [ "${KERNCACHE}" != "" -a "${KERNCACHE_IS_VALID}" != "0" ]
239 gen_kerncache_extract_kernel
243 if [ "${KERNCACHE}" != "" -a "${KERNCACHE_IS_VALID}" != "0" ]
245 [ "${BUILD_STATIC}" = '0' ] && gen_kerncache_extract_modules
246 gen_kerncache_extract_config
250 if [ "${CMD_CALLBACK}" != "" ]
253 print_info 1 "Preparing to run callback: \"${CMD_CALLBACK}\"" 0
258 trap "CALLBACK_ESCAPE=1" TERM KILL INT QUIT ABRT
259 while [[ "${CALLBACK_ESCAPE}" = '0' && ${CALLBACK_COUNT} -lt 5 ]]
261 sleep 1; echo -n '.';
262 let CALLBACK_COUNT=${CALLBACK_COUNT}+1
265 if [ "${CALLBACK_ESCAPE}" = '0' ]
269 eval ${CMD_CALLBACK} | tee -a ${LOGFILE}
270 CMD_STATUS="${PIPESTATUS[0]}"
272 print_info 1 "<<< Callback exit status: ${CMD_STATUS}"
273 [ "${CMD_STATUS}" != '0' ] && gen_die '--callback failed!'
276 print_info 1 ">>> Callback cancelled..."
278 trap - TERM KILL INT QUIT ABRT
282 if [ "${BUILD_RAMDISK}" = '1' ]
284 if [ "${BUSYBOX}" = '1' ]
290 if isTrue "${UNIONFS}"
298 print_info 1 'initrd: Not building since only the kernel was requested...'
301 if isTrue "${INTEGRATED_INITRAMFS}" #|| [ "${BUILD_KERNEL}" = '1' -a "${KERNCACHE_IS_VALID}" == "0" ]
303 # We build the kernel a second time to include the initramfs
307 [ "${KERNCACHE}" != "" ] && gen_kerncache
308 [ "${MINKERNPACKAGE}" != '' ] && gen_minkernpackage
309 [ "${MODULESPACKAGE}" != '' ] && gen_modulespackage
312 [ -n "${CTEMP}" ] && rm -rf "${TEMP}"
314 if [ "${BUILD_KERNEL}" = '1' ]
316 if isTrue "${CMD_INSTALL}"
321 print_info 1 "Kernel compiled successfully!"
323 print_info 1 'Required Kernel Parameters:'
324 if [ "${BUILD_RAMDISK}" = '0' ]
326 print_info 1 ' root=/dev/$ROOT'
327 print_info 1 ' [ And "vga=0x317 splash=verbose" if you use a framebuffer ]'
329 print_info 1 ' Where $ROOT is the device node for your root partition as the'
330 print_info 1 ' one specified in /etc/fstab'
332 print_info 1 ' real_root=/dev/$ROOT'
334 print_info 1 ' Where $ROOT is the device node for your root partition as the'
335 print_info 1 ' one specified in /etc/fstab'
337 print_info 1 "If you require Genkernel's hardware detection features; you MUST"
338 print_info 1 'tell your bootloader to use the provided INITRAMFS file. Otherwise;'
339 print_info 1 'substitute the root argument for the real_root argument if you are'
340 print_info 1 'not planning to use the initramfs...'
344 if [ "${BUILD_RAMDISK}" = '1' ]
347 print_warning 1 'WARNING... WARNING... WARNING...'
348 print_warning 1 'Additional kernel cmdline arguments that *may* be required to boot properly...'
349 [ "${SPLASH}" = '1' ] && print_warning 1 "add \"vga=791 splash=silent,theme:${SPLASH_THEME} console=tty1 quiet\" if you use a splash framebuffer ]"
350 [ "${LVM}" = '1' ] && print_warning 1 'add "dolvm" for lvm support'
351 [ "${DMRAID}" = '1' ] && print_warning 1 'add "dodmraid" for dmraid support'
352 [ "${MDADM}" = '1' ] && print_warning 1 'add "domdadm" for RAID support'
353 [ "${DMRAID}" = '1' ] && print_warning 1 ' or "dodmraid=<additional options>"'
354 [ "${ZFS}" = '1' ] && print_warning 1 'add "dozfs" for ZFS volume management support'
355 [ "${ZFS}" = '1' ] && print_warning 1 'add either "real_root=ZFS" (bootfs autodetection) or "real_root=ZFS=<dataset>" to boot from a ZFS dataset'
356 [ "${ISCSI}" = '1' ] && print_warning 1 'add at least "iscsi_initiatorname=<initiator name> iscsi_target=<target name> and iscsi_address=<target ip>" for iscsi support'
358 if [[ "$(file --brief --mime-type "${KERNEL_CONFIG}")" == application/x-gzip ]]; then
359 # Support --kernel-config=/proc/config.gz, mainly
365 if [ `${CONFGREP} 'CONFIG_EXT[0-9]_FS=' "${KERNEL_CONFIG}" | wc -l` -ge 2 ]; then
366 print_warning 1 'With support for several ext* filesystems available, it may be needed to'
367 print_warning 1 'add "rootfstype=ext3" or "rootfstype=ext4" to the list of boot parameters.'
373 [ "${BOOTRW}" != '' ] && mount -o remount,ro ${BOOTDIR}
376 print_info 1 'Do NOT report kernel bugs as genkernel bugs unless your bug'
377 print_info 1 'is about the default genkernel configuration...'
379 print_info 1 'Make sure you have the latest ~arch genkernel before reporting bugs.'