Skip to content
This repository

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
branch: master
Fetching contributors…

Cannot retrieve contributors at this time

executable file 363 lines (307 sloc) 10.118 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363
#!/bin/bash
# $Id$

PATH="${PATH}:/sbin:/usr/sbin"
GK_V='3.4.10.906'

# Set the default for TMPDIR. May be modified by genkernel.conf or the
# --tempdir command line option.
TMPDIR='/var/tmp/genkernel'

TODEBUGCACHE=1 # Until an error occurs or LOGFILE is fully qualified.

small_die() {
  echo $1
  exit 1
}

parse_opt() {
case "$1" in
*\=*)
echo "$1" | cut -f2- -d=
;;
esac
}

# We don't know where our config is, so we check for it, and default to using
# /etc/genkernel.conf if nobody has specified one.
case "$*" in
--config=*)
CMD_GK_CONFIG=`parse_opt "$*"`
;;
esac

# Pull in our configuration
source ${CMD_GK_CONFIG:-/etc/genkernel.conf} || small_die "Could not read /etc/genkernel.conf"

# Start sourcing other scripts
source ${GK_SHARE}/gen_funcs.sh || small_die "Could not read ${GK_SHARE}/gen_funcs.sh"
source ${GK_SHARE}/gen_cmdline.sh || gen_die "Could not read ${GK_SHARE}/gen_cmdline.sh"
source ${GK_SHARE}/gen_arch.sh || gen_die "Could not read ${GK_SHARE}/gen_arch.sh"
source ${GK_SHARE}/gen_determineargs.sh || gen_die "Could not read ${GK_SHARE}/gen_determineargs.sh"
source ${GK_SHARE}/gen_compile.sh || gen_die "Could not read ${GK_SHARE}/gen_compile.sh"
source ${GK_SHARE}/gen_configkernel.sh || gen_die "Could not read ${GK_SHARE}/gen_configkernel.sh"
source ${GK_SHARE}/gen_initramfs.sh || gen_die "Could not read ${GK_SHARE}/gen_initramfs.sh"
source ${GK_SHARE}/gen_moddeps.sh || gen_die "Could not read ${GK_SHARE}/gen_moddeps.sh"
source ${GK_SHARE}/gen_package.sh || gen_die "Could not read ${GK_SHARE}/gen_package.sh"
source ${GK_SHARE}/gen_bootloader.sh || gen_die "Could not read ${GK_SHARE}/gen_bootloader.sh"

TEMP=${TMPDIR}/$RANDOM.$RANDOM.$RANDOM.$$

trap_cleanup(){
# Call exit code of 1 for failure
cleanup
exit 1
}

cleanup(){
    if [ -n "$TEMP" -a -d "$TEMP" ]; then
rm -rf "$TEMP"
    fi

    if isTrue ${POSTCLEAR}
    then
echo
print_info 1 'RUNNING FINAL CACHE/TMP CLEANUP'
print_info 1 "CACHE_DIR: ${CACHE_DIR}"
CLEAR_CACHE_DIR='yes'
setup_cache_dir
echo
print_info 1 "TMPDIR: ${TMPDIR}"
clear_tmpdir
fi
}

trap trap_cleanup SIGHUP SIGQUIT SIGINT SIGTERM SIGKILL
BUILD_KERNEL=0
BUILD_RAMDISK=0
BUILD_MODULES=0

# Parse all command line options...
Options=$* # Save for later
while [ $# -gt 0 ]
do
Option=$1; shift
parse_cmdline $Option
done

# Check if no action is specified...
if [ "${BUILD_KERNEL}" -eq '0' -a "${BUILD_RAMDISK}" -eq '0' ]
then
usage
exit 1
fi

clear_log
NORMAL=${GOOD} print_info 1 "Gentoo Linux Genkernel; Version ${GK_V}${NORMAL}"
print_info 1 "Running with options: ${Options}"
echo

# Set ${ARCH}
get_official_arch

# Read arch-specific config
source ${ARCH_CONFIG} || gen_die "Could not read ${ARCH_CONFIG}"
source ${GK_SHARE}/arch/${ARCH}/modules_load || gen_die "Could not read ${GK_SHARE}/arch/${ARCH}/modules_load"

# Merge modules_load from config
for group_modules in ${!AMODULES_*}; do
group="$(echo $group_modules | cut -d_ -f2)"
eval cmodules="\$$group_modules"
eval MODULES_${group}=\"\${MODULES_${group}} ${cmodules}\"
print_info 1 "<config> Merged AMODULES_${group}:'${cmodules}' into MODULES_${group}"
done


# Based on genkernel.conf, arch-specific configs, and commandline options,
# get the real arguments for usage...

determine_real_args

set_kernel_arch

[ ! -f "${TEMP}" ] && mkdir -p "${TEMP}"

setup_cache_dir

check_distfiles

dump_debugcache

NORMAL=${BOLD} print_info 1 "Linux Kernel ${BOLD}${KV}${NORMAL} for ${BOLD}${ARCH}${NORMAL}..."

# Check BOOTDIR is mounted
if isTrue ${CMD_NOINSTALL}
then
isTrue ${MOUNTBOOT} && print_info 2 'Skipping automatic mount of boot'
else
[[ -d ${BOOTDIR} ]] || gen_die "${BOOTDIR} is not a directory"

if ! egrep -q "[[:space:]]${BOOTDIR}[[:space:]]" /proc/mounts
then
if egrep -q "^[^#].+[[:space:]]${BOOTDIR}[[:space:]]" /etc/fstab
then
if isTrue ${MOUNTBOOT}
then
if ! mount ${BOOTDIR}
then
print_warning 1 "${BOLD}WARNING${NORMAL}: Failed to mount ${BOOTDIR}!"
echo
else
print_info 1 "mount: ${BOOTDIR} mounted successfully!"
fi
else
print_warning 1 "${BOLD}WARNING${NORMAL}: No mounted ${BOOTDIR} partition detected!"
print_warning 1 " Run ``mount ${BOOTDIR}`` to mount it!"
echo
fi
fi
elif isBootRO
then
if isTrue ${MOUNTBOOT}
then
if ! mount -o remount,rw ${BOOTDIR}
then
print_warning 1 "${BOLD}WARNING${NORMAL}: Failed to remount ${BOOTDIR} RW!"
echo
else
print_info 1 "mount: ${BOOTDIR} remounted read/write successfully!"
BOOTRW=1
fi
fi
fi
fi

## Check whether another Genkernel is running
#GENPIDS="`ps -C genkernel --no-headers -o pid | wc -l`"
#if [ "${GENPIDS}" -gt '3' ]
#then
# [ "${GENPIDS}" -gt '4' ] && EX='s'
# print_warning 1 "${BOLD}WARNING${NORMAL}: Another Genkernel instance is running under"
# print_warning 1 " process ID${EX} " 0
# GENPIDS=`ps -C genkernel --no-headers -o pid`
# echo -n "${GENPIDS}" | sed -e "s/$$//; s/ /, /g"
# echo 'halting...'
# echo
# print_warning 1 'Running multiple genkernels on the same source tree will cause data loss!'
# print_info 1 "Press ^C to halt; ^D to continue [ ${BOLD}if${NORMAL} you know what you're doing! ]"
# echo
# CTEMP="${TEMP}"
# TEMP=${TMPDIR-/tmp}
# TEMP=${TEMP}/genkernel.$RANDOM.$RANDOM.$RANDOM.$$
# print_info 1 'thread: Running multiple genkernels may cause problems!'
# print_info 1 "thread: Temporary files reallocated to ${TEMP}..."
# echo
#fi

KERNCACHE_IS_VALID=0
if [ "${KERNCACHE}" != "" ]
then
    gen_kerncache_is_valid
fi

if [ ${BUILD_KERNEL} -eq '1' -a "${KERNCACHE_IS_VALID}" == "0" ]
then
# Configure kernel
config_kernel

# Make prepare
if [ "${ARCH_HAVENOPREPARE}" = '' ]
then
compile_generic prepare kernel
fi

# KV may have changed due to the configuration
get_KV

compile_kernel

# Compile modules
if [ ${BUILD_MODULES} -eq '1' -a ${BUILD_STATIC} -eq '0' ]
then
compile_modules
fi

if [ ${SAVE_CONFIG} -eq '1' ]
then
print_info 1 "Copying config for successful build to /etc/kernels/kernel-config-${ARCH}-${KV}"
[ ! -e '/etc/kernels' ] && mkdir -p /etc/kernels
cp "${KERNEL_DIR}/.config" "/etc/kernels/kernel-config-${ARCH}-${KV}"
fi
fi

if ! isTrue "${CMD_NOINSTALL}"
then
if [ "${KERNCACHE}" != "" -a "${KERNCACHE_IS_VALID}" != "0" ]
then
gen_kerncache_extract_kernel
fi
fi

if [ "${KERNCACHE}" != "" -a "${KERNCACHE_IS_VALID}" != "0" ]
then
[ ${BUILD_STATIC} -eq '0' ] && gen_kerncache_extract_modules
gen_kerncache_extract_config
fi

# Run callback
if [ "${CMD_CALLBACK}" != "" ]
then
print_info 1 "" 1 0
print_info 1 "Preparing to run callback: \"${CMD_CALLBACK}\"" 0

CALLBACK_ESCAPE=0
CALLBACK_COUNT=0

trap "CALLBACK_ESCAPE=1" TERM KILL INT QUIT ABRT
while [[ ${CALLBACK_ESCAPE} -eq '0' && ${CALLBACK_COUNT} -lt 5 ]]
do
sleep 1; echo -n '.';
let CALLBACK_COUNT=${CALLBACK_COUNT}+1
done

if [ "${CALLBACK_ESCAPE}" -eq '0' ]
then
echo
echo
eval ${CMD_CALLBACK} | tee -a ${LOGFILE}
CMD_STATUS="${PIPESTATUS[0]}"
echo
print_info 1 "<<< Callback exit status: ${CMD_STATUS}"
[ "${CMD_STATUS}" -ne 0 ] && gen_die '--callback failed!'
else
echo
print_info 1 ">>> Callback cancelled..."
fi
trap - TERM KILL INT QUIT ABRT
print_info 1 "" 1 0
fi

if [ "${BUILD_RAMDISK}" -eq '1' ]
then
[ "${DISKLABEL}" -eq '1' ] && compile_e2fsprogs

if [ "${BUSYBOX}" -eq '1' ]
then
# Compile Busybox
compile_busybox
fi

if isTrue "${UNIONFS}"
then
compile_unionfs_fuse
fi

# Compile initramfs
create_initramfs
else
print_info 1 'initrd: Not building since only the kernel was requested...'
fi

if isTrue "${INTEGRATED_INITRAMFS}" #|| [ ${BUILD_KERNEL} -eq '1' -a "${KERNCACHE_IS_VALID}" == "0" ]
then
# We build the kernel a second time to include the initramfs
compile_kernel
fi

[ "${KERNCACHE}" != "" ] && gen_kerncache
[ "${MINKERNPACKAGE}" != '' ] && gen_minkernpackage
[ "${MODULESPACKAGE}" != '' ] && gen_modulespackage

# Clean up...
[ -n "${CTEMP}" ] && rm -rf "${TEMP}"

if [ "${BUILD_KERNEL}" -eq '1' ]
then
set_bootloader
print_info 1 ''
print_info 1 "Kernel compiled successfully!"
print_info 1 ''
print_info 1 'Required Kernel Parameters:'
if [ "${BUILD_RAMDISK}" -eq '0' ]
then
print_info 1 ' root=/dev/$ROOT'
print_info 1 ' [ And "vga=0x317 splash=verbose" if you use a framebuffer ]'
print_info 1 ''
print_info 1 ' Where $ROOT is the device node for your root partition as the'
print_info 1 ' one specified in /etc/fstab'
else
print_info 1 ' real_root=/dev/$ROOT'
print_info 1 ''
print_info 1 ' Where $ROOT is the device node for your root partition as the'
print_info 1 ' one specified in /etc/fstab'
print_info 1 ''
print_info 1 "If you require Genkernel's hardware detection features; you MUST"
print_info 1 'tell your bootloader to use the provided INITRAMFS file. Otherwise;'
print_info 1 'substitute the root argument for the real_root argument if you are'
print_info 1 'not planning to use the initramfs...'
fi
fi

if [ "${BUILD_RAMDISK}" -eq '1' ]
then
echo
print_info 1 'WARNING... WARNING... WARNING...'
print_info 1 'Additional kernel cmdline arguments that *may* be required to boot properly...'
[ "${SPLASH}" -eq '1' ] && print_info 1 "add \"vga=791 splash=silent,theme:${SPLASH_THEME} console=tty1 quiet\" if you use a splash framebuffer ]"
[ "${LVM}" -eq '1' ] && print_info 1 'add "dolvm" for lvm support'
[ "${EVMS}" -eq '1' ] && print_info 1 'add "doevms" for evms support'
[ "${DMRAID}" -eq '1' ] && print_info 1 'add "dodmraid" for dmraid support'
[ "${DMRAID}" -eq '1' ] && print_info 1 ' or "dodmraid=<additional options>"'
[ "${ISCSI}" -eq '1' ] && print_info 1 'add at least "iscsi_initiatorname=<initiator name> iscsi_target=<target name> and iscsi_address=<target ip>" for iscsi support'
fi

[ "${BOOTRW}" != '' ] && mount -o remount,ro ${BOOTDIR}

echo
print_info 1 'Do NOT report kernel bugs as genkernel bugs unless your bug'
print_info 1 'is about the default genkernel configuration...'
print_info 1 ''
print_info 1 'Make sure you have the latest genkernel before reporting bugs.'

#Final Cleanup
cleanup
Something went wrong with that request. Please try again.