geninitrd

   1 #!/bin/sh
   2
   3 # geninitrd
   4 #
   5 #       by PLD Linux Team
   6 #
   7 # based on mkinitrd from RedHat Linux
   8 #
   9
  10 GENINITRD_RCSID='$Revision$ $Date::                            $'
  11 R=${GENINITRD_RCSID#* *}; VERSION=${R%% *}
  12 PROGRAM=${0##*/}
  13
  14 . /etc/rc.d/init.d/functions
  15 . /lib/geninitrd/functions
  16 . /etc/sysconfig/system
  17
  18 # list of geninitrd modules which need setup routine after commandline args parsing
  19 GENINITRD_MODS=""
  20 COMPRESS=yes
  21 target=""
  22 kernel=""
  23 force=""
  24 verbose=""
  25 MODULES=""
  26 img_vers=""
  27 fstab=/etc/fstab
  28 modext=.o
  29 rootdev_nr=0
  30 # device node for rootfs from fstab
  31 rootdev=""
  32
  33 # internal variables
  34 # is /dev on tmpfs
  35 dev_mounted=no
  36 # is /proc mounted
  37 proc_mounted=no
  38 # is /sys mounted
  39 sys_mounted=no
  40 # is /tmp mounted on tmpfs
  41 tmp_mounted=no
  42
  43 # are /dev nodes already created from /proc/devices info?
  44 proc_partitions=no
  45
  46 usage() {
  47         echo "Usage: $PROGRAM [--version] [-v] [-f] [--ifneeded] [--preload <module>]"
  48         echo "       [--with=<module>] [--image-version] [--fstab=<fstab>] [--nocompress]"
  49         echo "       [--compress=yes|xz|lzma|bzip2|gzip|lzo]"
  50         echo "       [--initrdfs=rom|initramfs|ext2|cram] [--modules-conf=<modules.conf>]"
  51         echo "       [--with-bootsplash] [--without-bootsplash]"
  52         echo "       [--with-fbsplash] [--without-fbsplash]"
  53         echo "       [--with-fbcondecor] [--without-fbcondecor]"
  54         echo "       [--lvmtoolsversion=1|2] [--with-udev] [--without-udev]"
  55         echo "       [--with-suspend] [--without-suspend]"
  56         echo "       [--with-tuxonice] [--without-tuxonice]"
  57         echo "       [--without-dmraid]"
  58         echo "       [--with-multipath=DEVPATH] [--without-multipath]"
  59         echo "       [--without-blkid] [--without-luks]"
  60         echo "       <initrd-image> <kernel-version>"
  61         echo ""
  62         echo "Example:"
  63
  64         local kdir kver
  65         for kdir in /lib/modules/*; do
  66                 [ -d $kdir ] || continue
  67                 kver=${kdir##*/}
  68                 echo "  $0 -f --initrdfs=rom /boot/initrd-$kver.gz $kver $verbose"
  69         done
  70 }
  71
  72 msg() {
  73         echo "$PROGRAM: $*"
  74 }
  75
  76 warn() {
  77         msg "WARNING: $*" >&2
  78 }
  79
  80 debug() {
  81         [ -n "$verbose" ] && msg "$*" >&2
  82 }
  83
  84 # aborts program abnormally
  85 die() {
  86         local rc=${2:-1}
  87         msg "ERROR: $1" >&2
  88         exit $rc
  89 }
  90
  91 # find program from specified paths
  92 find_tool() {
  93         local x
  94         for x in "$@"; do
  95                 if [ -x "$x" ]; then
  96                         echo $x
  97                         debug "find_tool: found $x"
  98                         return 0
  99                 fi
 100         done
 101         debug "find_tool: did not found any of: $@"
 102         return 1
 103 }
 104
 105 # loads geninitrd modules
 106 geninitrd_load_mods() {
 107         local mod
 108         for mod in "$@"; do
 109                 if [ ! -f /lib/geninitrd/mod-$mod.sh ]; then
 110                         die "$mod geninitrd module can't be loaded"
 111                 fi
 112                 . /lib/geninitrd/mod-$mod.sh
 113
 114                 GENINITRD_MODS="$GENINITRD_MODS $mod"
 115         done
 116 }
 117
 118 # setup geninitrd modules
 119 geninitrd_setup_mods() {
 120         local mod rcsid
 121
 122         for mod in $GENINITRD_MODS; do
 123                 eval rcsid=$(echo \$$mod | LC_ALL=C tr '[a-z]' '[A-Z]')_RCSID
 124                 debug "# $rcsid (mod-$mod)"
 125
 126                 # some mods want init
 127                 if type setup_mod_$mod > /dev/null; then
 128                         eval setup_mod_$mod
 129                 fi
 130         done
 131 }
 132
 133 # append text to /linuxrc
 134 # takes STDIN as input
 135 add_linuxrc() {
 136         cat >> "$RCFILE"
 137 }
 138
 139 # generate code to mount /dev on tmpfs and create initial nodes
 140 # can be called multiple times. /dev is cleaned up (umounted) automatically at
 141 # the end of script.
 142 mount_dev() {
 143     if [ "$INITRDFS" = "initramfs" ]; then
 144                 # initramfs is read-write filesystem, no need for tmpfs
 145                 return
 146         fi
 147
 148         # we already generated tmpfs code; return
 149         if is_yes "$dev_mounted"; then
 150                 return
 151         fi
 152
 153         dev_mounted=yes
 154
 155         busybox_applet mount mknod mkdir
 156         add_linuxrc <<-EOF
 157                 : 'Creating /dev'
 158                 mount -o mode=0755 -t tmpfs none /dev
 159                 mknod /dev/console c 5 1
 160                 mknod /dev/null c 1 3
 161                 mknod /dev/zero c 1 5
 162                 mknod /dev/random c 1 8
 163                 mknod /dev/snapshot c 10 231
 164                 mknod /dev/urandom c 1 9
 165                 mkdir /dev/pts
 166                 mkdir /dev/shm
 167         EOF
 168 }
 169
 170 # generate code to mount /proc on initrd
 171 # can be called multiple times
 172 mount_proc() {
 173         if is_yes "$proc_mounted"; then
 174                 return
 175         fi
 176
 177         proc_mounted=yes
 178     if [ "$INITRDFS" = "initramfs" ]; then
 179                 # /proc is mounted with initramfs 2.6.22.14 kernel
 180                 # XXX: remove when it is clear why proc was already mounted
 181                 echo "[ -f /proc/cmdline ] || mount -t proc none /proc" | add_linuxrc
 182         else
 183                 echo "mount -t proc none /proc" | add_linuxrc
 184         fi
 185 }
 186
 187 # generate code to mount /sys on initrd
 188 # can be called multiple times
 189 mount_sys() {
 190         if is_yes "$sys_mounted"; then
 191                 return
 192         fi
 193
 194         sys_mounted=yes
 195         echo "mount -t sysfs none /sys" | add_linuxrc
 196 }
 197
 198 # generate code to mount /tmp on initrd
 199 # can be called multiple times
 200 mount_tmp() {
 201     if [ "$INITRDFS" = "initramfs" ]; then
 202                 # initramfs is read-write filesystem, no need for tmpfs
 203                 return
 204         fi
 205
 206         if is_yes "$tmp_mounted"; then
 207                 return
 208         fi
 209
 210         tmp_mounted=yes
 211         echo "mount -t tmpfs none /tmp" | add_linuxrc
 212 }
 213
 214 # unmount all mountpoints mounted by geninitrd
 215 umount_all() {
 216
 217         add_linuxrc <<-'EOF'
 218         : Last shell before umounting all and giving control over to real init.
 219         debugshell
 220         EOF
 221
 222         if is_yes "$dev_mounted"; then
 223                 echo 'umount /dev' | add_linuxrc
 224                 dev_mounted=no
 225         fi
 226         if is_yes "$sys_mounted"; then
 227                 echo 'umount /sys' | add_linuxrc
 228                 sys_mounted=no
 229         fi
 230         if is_yes "$tmp_mounted"; then
 231                 echo 'umount /tmp' | add_linuxrc
 232                 tmp_mounted=no
 233         fi
 234         if is_yes "$proc_mounted"; then
 235                 echo 'umount /proc' | add_linuxrc
 236                 proc_mounted=no
 237         fi
 238 }
 239
 240
 241 # Checks if busybox has support for APPLET(s)
 242 # Exits from geninitrd if the support is not present.
 243 #
 244 # NB! XXX do not output to STDOUT, it will appear in initrd images in some cases!
 245 busybox_applet() {
 246         local err=0 applet
 247
 248         if [ -z "$busybox_functions" ]; then
 249                 local tmp=$($busybox 2>&1)
 250
 251                 # BusyBox v1.1.3 says applet not found if it's not called 'busybox'.
 252                 if [[ "$tmp" = *applet\ not\ found* ]]; then
 253                         local t=$(mktemp -d)
 254                         ln -s $busybox $t/busybox
 255                         local tmp=$($t/busybox 2>&1)
 256                         rm -rf $t
 257                 fi
 258
 259                 busybox_functions=$(echo "$tmp" | \
 260                         sed -ne '/Currently defined functions:/,$p' | \
 261                         xargs | sed -e 's,.*Currently defined functions: ,,'
 262                 )
 263         fi
 264         for applet in $*; do
 265                 local have
 266                 # try cache
 267                 eval have='$'busybox_have_$applet
 268                 if [ -z "$have" ]; then
 269                         have=$(echo "$busybox_functions" | egrep -c "( |^)$applet(,|$)")
 270                         if [ "$have" = 0 ]; then
 271                                 warn "This setup requires busybox-initrd compiled with applet '$applet' support"
 272                                 err=1
 273                         fi
 274                         eval busybox_have_$applet=$have
 275                 fi
 276         done
 277         if [ $err = 1 ]; then
 278                 die "Aborted"
 279         fi
 280 }
 281
 282 # Extract the .config file from a kernel image
 283 # uses extract-ikconfig from kernel sources (scripts/extract-ikconfig)
 284 ikconfig() {
 285         local kofile=$(modinfo -k $kernel -n configs 2> /dev/null)
 286         if [ -n "$kofile" ]; then
 287                 /lib/geninitrd/extract-ikconfig $kofile
 288                 return
 289         fi
 290
 291         # see if config available as separate file
 292         if [ -f /boot/config-$kernel ]; then
 293            cat /boot/config-$kernel
 294            return
 295         fi
 296
 297         # finally try vmlinuz itself
 298         /lib/geninitrd/extract-ikconfig /boot/vmlinuz-$kernel
 299 }
 300
 301 # Finds module dependencies
 302 #
 303 # @param        $module
 304 #
 305 # Outputs full path to module and it's dependencies
 306 find_depmod() {
 307         local module="$1"
 308         local skiperrors=0
 309
 310         # if module is prefixed with dash, we should ignore errors if the module
 311         # can't be found.
 312         if [ ${module#-} != $module ]; then
 313                 skiperrors=1
 314                 module=${module#-}
 315         fi
 316
 317         # This works when user has module-init-tools installed even on 2.4 kernels
 318         local modprobe
 319         modprobe=$(modprobe --set-version $kernel --show-depends $module --ignore-install 2>&1)
 320
 321         if [ $? != 0 ]; then
 322                 if [ $skiperrors = 1 ]; then
 323                         return 0
 324                 fi
 325                 echo >&2 "$modprobe"
 326
 327                 if ! is_no "$EXIT_IF_MISSING"; then
 328                         die "$module: module not found for $kernel kernel"
 329                 fi
 330
 331                 warn "$module: module not found for $kernel kernel"
 332                 warn "If $module isn't compiled in kernel then this initrd may not start your system."
 333         fi
 334
 335         echo "$modprobe" | \
 336         while read insmod modpath options; do
 337                 [ "$insmod" = "insmod" ] && echo $modpath
 338         done
 339         return 0
 340 }
 341
 342 find_firmware() {
 343         local module="$1"
 344
 345         # no firmware support in 2.4 kernels
 346         if [ "$kernel_version_long" -lt "002005048" ]; then
 347                 return
 348         fi
 349         echo -n $(NEW_MODINFO=1 modinfo -k $kernel -F firmware $module 2>/dev/null | xargs)
 350 }
 351
 352 # @param        $module
 353 find_module() {
 354         local mod depmod module=$1
 355
 356         depmod=$(find_depmod $module) || exit 1
 357         for mod in $depmod; do
 358                 mod=${mod#/lib/modules/$kernel/}
 359
 360                 # add each module only once
 361                 local m have=0
 362                 for m in $MODULES; do
 363                         [ $m = $mod ] && have=1
 364                 done
 365                 if [ $have = 0 ]; then
 366                         MODULES="$MODULES $mod"
 367                 fi
 368         done
 369 }
 370
 371 # install a file to temporary mount image.
 372 # it will operate recursively (copying directories)
 373 # and will symlink destinations if source is symlink.
 374 inst() {
 375         if [ $# -lt 2 ]; then
 376                 die 'Usage: inst <file> [<file>] <destination>'
 377         fi
 378
 379         local src i=0 c=$(($# - 1))
 380         while [ $i -lt $c ]; do
 381                 src="$src $1"
 382                 i=$((i + 1))
 383                 shift
 384         done
 385         local dest=$1
 386         set -- $src
 387         local parentDir=$(dirname $DESTDIR$dest)
 388         [ ! -d "$parentDir" ] && (debug "+ mkdir -p $parentDir"; mkdir -p $parentDir)
 389         debug "+ cp $* $DESTDIR$dest"
 390         cp -HR "$@" "$DESTDIR$dest"
 391 }
 392
 393 inst_d() {
 394         if [ $# = 0 ]; then
 395                 die 'Usage: inst_d <destination> <destination>'
 396         fi
 397         for dir in "$@"; do
 398                 install -d "$DESTDIR$dir"
 399         done
 400 }
 401
 402 # install executable and it's shared libraries
 403 inst_exec() {
 404         if [ $# -lt 2 ]; then
 405                 die "Invalid params ($@), Usage: inst_exec <file>[, <file>] <destination>"
 406         fi
 407         local src i=0 c=$(($# - 1))
 408         while [ $i -lt $c ]; do
 409                 src="$src $1"
 410                 i=$((i + 1))
 411                 shift
 412         done
 413         local dest=$1
 414         set -- $src
 415
 416         inst "$@" $dest
 417
 418         local lib libs=$(ldd "$@" | awk '/statically|linux-(gate|vdso)\.so/{next} NF == 2 {print $1} /=/{print $3}' | sort -u)
 419         for lib in $libs; do
 420                 if [ ! -f "$DESTDIR/$_lib/${lib##*/}" ]; then
 421                         inst_d /$_lib
 422                         inst_exec $lib /$_lib
 423                 fi
 424         done
 425
 426         # hack for uclibc linked binaries requiring this fixed path
 427         # XXX: shouldn't rpath be used here instead so th
 428         if [ -f $DESTDIR/$_lib/libc.so.0 ]; then
 429                 local lib=$DESTDIR/$_lib/libc.so.0
 430                 lib=$(ldd "$lib" | awk '/statically|linux-(gate|vdso)\.so/{next} NF == 2 {print $1} /=/{print $3}' | sort -u)
 431                 local libdir=$(cd $(dirname "$lib"); pwd)
 432                 if [ ! -e $DESTDIR$libdir ]; then
 433                         libdir=$(dirname "$libdir")
 434                         inst_d $libdir
 435                         debug "+ ln -s /$_lib $DESTDIR$libdir"
 436                         ln -s /$_lib $DESTDIR$libdir
 437                 fi
 438         fi
 439 }
 440
 441 # output modules.conf / modprobe.conf
 442 modprobe_conf() {
 443         echo "$modprobe_conf_cache"
 444 }
 445
 446 #
 447 # defaults to modprobe -c if not told otherwise, this means include statements
 448 # work from there.
 449 cache_modprobe_conf() {
 450         if [ "$kernel_version" -lt "002005" ]; then
 451                 modulefile=/etc/modules.conf
 452                 if [ ! -f "$modulefile" -a -f /etc/conf.modules ]; then
 453                         modulefile=/etc/conf.modules
 454                 fi
 455         fi
 456
 457         if [ -n "$modulefile" ]; then
 458                 debug "Using $modulefile for modules config"
 459                 modprobe_conf_cache=$(cat $modulefile)
 460         else
 461                 debug "Using modprobe -c to get modules config"
 462                 modprobe_conf_cache=$(modprobe -c --set-version $kernel)
 463         fi
 464 }
 465
 466 # find modules for $devpath
 467 find_modules_for_devpath() {
 468         local devpath="$1"
 469         if [ -z "$devpath" ]; then
 470                 die "No argument passed to find_modules_for_devpath() - is your /etc/fstab correct?"
 471         fi
 472
 473         if [[ "$devpath" = /dev/dm-* ]]; then
 474                 # /dev/dm-3 -> /dev/mapper/sil_ahbgadcbchfc3
 475                 devpath=$(dm_node "$devpath")
 476         fi
 477
 478         if [ -L "$devpath" ] && ! is_lvm "$devpath" && ! is_luks "$devpath"; then
 479                 # sanitize things like:
 480                 # /dev/block/104:2 -> /dev/cciss/c0d0p2
 481                 devpath=$(readlink -f "$devpath")
 482         fi
 483
 484         debug "Finding modules for device path $devpath"
 485
 486         if is_luks "$devpath"; then
 487                 find_modules_luks "$devpath"
 488                 return
 489         fi
 490
 491         if is_nfs "$devpath"; then
 492                 find_modules_nfs "$devpath"
 493                 return
 494         fi
 495
 496         if is_md "$devpath"; then
 497                 find_modules_md "$devpath"
 498                 return
 499         fi
 500
 501         if is_multipath "$devpath"; then
 502                 if find_modules_multipath "$devpath"; then
 503                         return
 504                 fi
 505
 506                 # fallback
 507         fi
 508
 509         if is_dmraid "$devpath"; then
 510                 if find_modules_dmraid "$devpath"; then
 511                         return
 512                 fi
 513                 # fallback
 514         fi
 515
 516         if is_scsi "$devpath"; then
 517                 find_modules_scsi "$devpath"
 518                 return
 519         fi
 520
 521         if is_ide "$devpath"; then
 522                 find_modules_ide "$devpath"
 523                 return
 524         fi
 525
 526         if [[ "$devpath" == /dev/rd/* ]]; then
 527                 find_module "DAC960"
 528                 rootdev_add=/dev/rd/
 529                 return
 530         fi
 531
 532         if [[ "$devpath" == /dev/ida/* ]]; then
 533                 find_module "cpqarray"
 534                 rootdev_add=/dev/ida/
 535                 return
 536         fi
 537
 538         if [[ "$devpath" == /dev/cciss/* ]]; then
 539                 find_module "cciss"
 540                 rootdev_add=/dev/cciss/
 541                 return
 542         fi
 543
 544         if [[ "$devpath" == /dev/ataraid/* ]]; then
 545                 find_modules_ide
 546                 find_module "ataraid"
 547                 ataraidmodules=$(modprobe_conf | awk '/ataraid_hostadapter/ && ! /^[\t ]*#/ { print $3; }')
 548                 if [ -n "$ataraidmodules" ]; then
 549                         # FIXME: think about modules compiled in kernel
 550                         die "ataraid_hostadapter alias not defined in modprobe.conf! Please set it and run $PROGRAM again."
 551                 fi
 552                 for n in $ataraidmodules; do
 553                         find_module "$n"
 554                 done
 555                 rootdev_add=/dev/ataraid/
 556                 return
 557         fi
 558
 559         # check to see if we need to set up a loopback filesystem
 560         if [[ "$devpath" == /dev/loop*  ]]; then
 561                 die "Sorry, root on loop device isn't supported."
 562                 # TODO: rewrite for bsp and make nfs ready
 563                 if [ ! -x /sbin/losetup ]; then
 564                         die "losetup is missing"
 565                 fi
 566                 key="^# $(echo $devpath | awk -F/ '{print($3);}' | tr '[a-z]' '[A-Z]'):"
 567                 if ! is_yes "`awk '/'$key'/ { print( "yes"); }' $fstab`"; then
 568                         die "The root filesystem is on a $devpath, but there is no magic entry in $fstab for this device. Consult the $PROGRAM man page for more information"
 569                 fi
 570
 571                 line="`awk '/'$key'/ { print $0; }' $fstab`"
 572                 loopDev="$(echo $line | awk '{print $3}')"
 573                 loopFs="$(echo $line | awk '{print $4}')"
 574                 loopFile="$(echo $line | awk '{print $5}')"
 575
 576                 BASICMODULES="$BASICMODULES -loop"
 577                 find_module "-$loopFs"
 578                 BASICMODULES="$BASICMODULES -${loopFs}"
 579                 return
 580         fi
 581
 582         if is_lvm "$devpath"; then
 583                 find_modules_lvm "$devpath"
 584                 return
 585         fi
 586 }
 587
 588 firmware_install_module() {
 589         local module="$1"
 590         local firmware_files="$2"
 591
 592         debug "Adding Firmwares ($firmware_files) to initrd for module $module"
 593         # firmware not yet installed
 594         if [ ! -f "$DESTDIR/lib/firmware/firmware.sh" ]; then
 595                 inst_d /lib/firmware
 596 cat << 'EOF' >> "$DESTDIR/lib/firmware/firmware.sh"
 597 #!/bin/sh -e
 598 echo 1 > /sys$DEVPATH/loading
 599 cat "/lib/firmware/$FIRMWARE" > /sys$DEVPATH/data
 600 echo 0 > /sys$DEVPATH/loading
 601 exit 0
 602 EOF
 603                 chmod 755 "$DESTDIR/lib/firmware/firmware.sh"
 604         fi
 605
 606         for firmware in $firmware_files; do
 607                 if [ -f "/lib/firmware/$kernel/$firmware" ]; then
 608                         FIRMWAREDIR=${firmware%/*}
 609                         [ "$FIRMWAREDIR" != "$firmware" ] && inst_d /lib/firmware/$FIRMWAREDIR
 610                         inst /lib/firmware/$kernel/$firmware /lib/firmware/$firmware
 611                 elif [ -f "/lib/firmware/$firmware" ]; then
 612                         FIRMWAREDIR=${firmware%/*}
 613                         [ "$FIRMWAREDIR" != "$firmware" ] && inst_d /lib/firmware/$FIRMWAREDIR
 614                         inst /lib/firmware/$firmware /lib/firmware/$firmware
 615                 else
 616                         warn "Possible missing firmware file /lib/firmware/$firmware or /lib/firmware/$kernel/$firmware for module $module."
 617                 fi
 618         done
 619
 620         mount_sys
 621         echo "echo -n "/lib/firmware/firmware.sh" > /proc/sys/kernel/hotplug" | add_linuxrc
 622 }
 623
 624 modules_install() {
 625         local modules="$1"
 626         local mod
 627
 628         for mod in $modules; do
 629                 MODULEDIR=${mod%/*}
 630                 inst_d "/lib/modules/$kernel/$MODULEDIR"
 631                 cp -a "/lib/modules/$kernel/$mod" "$DESTDIR/lib/modules/$kernel/$mod"
 632                 gunzip "$DESTDIR/lib/modules/$kernel/$mod" 2> /dev/null
 633         done
 634 }
 635
 636 modules_add_linuxrc() {
 637         local mod modpath
 638
 639         for mod in "$@"; do
 640                 # module path without optional compression
 641                 modpath=${mod%.gz}
 642
 643                 # name of the module
 644                 local module=${modpath##*/}; module=${module%$modext}
 645                 local options=$(modprobe_conf | awk -vmodule="$module" '{ if ($1 == "options" && $2 == module) { for(i=3;i<=NF;i++) printf("%s ",$i); }}' | xargs)
 646                 local genericname=$(echo $module | tr - _)
 647                 local usleep=$(eval echo \$MODULE_${genericname}_USLEEP)
 648                 local firmware=$(eval echo \$MODULE_${genericname}_FIRMWARE)
 649
 650                 if [ "$module" = "scsi_mod" -a "$kernel_version_long" -ge "002006030" ]; then
 651                         options="scan=sync $options"
 652                 fi
 653
 654                 if [ -n "$verbose" ]; then
 655                         s=""
 656                         if [ "$options" ]; then
 657                                 s="$s with options [$options]"
 658                         fi
 659                         if [ "$usleep" ]; then
 660                                 s="$s and $usleep usleep"
 661                         fi
 662                         debug "Loading module [$module]$s"
 663                 fi
 664
 665                 if [ -n "$firmware" ]; then
 666                         firmware_install_module "$module" "$firmware"
 667                 else
 668                         for file in $(find_firmware "$module"); do
 669                                 firmware_install_module "$module" "$file"
 670                         done
 671                 fi
 672
 673                 echo "insmod /lib/modules/$kernel/$modpath $options" | add_linuxrc
 674                 if [ -n "$usleep" ]; then
 675                         echo "usleep $usleep" | add_linuxrc
 676                 fi
 677                 if [ "$module" = "scsi_wait_scan" ]; then
 678                         if [ "$(busybox_applet rmmod 2>/dev/null; echo $?)" = 0 ]; then
 679                                 echo "rmmod scsi_wait_scan" | add_linuxrc
 680                         fi
 681                 fi
 682
 683         done
 684 }
 685
 686 # Generates /dev nodes based on /proc/partitions information.
 687 # Needs /proc mounted.
 688 # Can be called multiple times.
 689 initrd_gen_devices() {
 690         if is_yes "$proc_partitions"; then
 691                 return
 692         fi
 693         proc_partitions=yes
 694
 695         mount_dev
 696         add_linuxrc <<-'EOF'
 697                 : 'Making device nodes'
 698                 cat /proc/partitions | (
 699                         # ignore first two lines: header, empty line
 700                         read b; read b
 701
 702                         while read major minor blocks dev rest; do
 703                                 node=/dev/$dev
 704                                 mkdir -p ${node%/*}
 705                                 [ -e $node ] || mknod $node b $major $minor
 706                         done
 707                 )
 708         EOF
 709 }
 710
 711
 712 initrd_gen_setrootdev() {
 713         debug "Adding rootfs finding based on kernel cmdline root= option support."
 714         busybox_applet ls
 715         add_linuxrc <<-'EOF'
 716                 if [ "${ROOT##/dev/}" != "${ROOT}" ]; then
 717                         rootnr="$(busybox awk -v rootnode="${ROOT##/dev/}" '$4 == rootnode { print 256 * $1 + $2 }' /proc/partitions)"
 718                         # fallback to ls
 719                         if [ -z "$rootnr" ]; then
 720                                 rootnr="$(busybox ls -lL ${ROOT} | busybox awk '{if (/^b/) { print 256 * $3 + $4; }}')"
 721                         fi
 722                         if [ -n "$rootnr" ]; then
 723                                 echo "$rootnr" > /proc/sys/kernel/real-root-dev
 724                         fi
 725                 fi
 726         EOF
 727 }
 728
 729 initrd_gen_initramfs_switchroot() {
 730         inst_d /newroot
 731         if [ "$rootdev" = "/dev/nfs" ]; then
 732                 echo "rootfs on NFS root=/dev/nfs"
 733         else
 734                 [ ! -e "$DESTDIR/$rootdev" ] && inst $rootdev $rootdev
 735         fi
 736
 737         # parse 'root=xxx' kernel commandline
 738         # We support passing root as hda3 /dev/hda3 0303 0x0303 and 303
 739         add_linuxrc <<-'EOF'
 740                 device=/dev/no_partition_found
 741                 eval "$(busybox awk -v c="$ROOT" '
 742                         BEGIN {
 743                                 num_pattern_short = "[0-9a-f][0-9a-f][0-9a-f]";
 744                                 num_pattern = "[0-9a-f]" num_pattern_short;
 745                                 dev_pattern = "[hms][a-z][a-z]([0-9])+";
 746                                 partition = "no_partition_found";
 747                                 min = -1; maj = -1;
 748
 749                                 sub("^0x", "", c);
 750                                 if (c ~ "^" num_pattern_short "$") sub("^", "0", c);
 751                                 if (c ~ "^" num_pattern  "$") {
 752                                         maj = sprintf("%s",substr(c,1,2));
 753                                         min = sprintf("%s",substr(c,3));
 754                                 }
 755                                 if (c ~ "^\/dev\/" dev_pattern "$") sub("^/dev/","", c);
 756                                 if (c ~ "^" dev_pattern "$") partition = c;
 757                         }
 758
 759                         $4 ~ partition { maj = $1; min = $2; }
 760                         $1 ~ maj && $2 ~ min { partition = $4; }
 761
 762                         END {
 763                                 if (maj >= 0 && min >= 0) {
 764                                         printf("device=/dev/%s; maj=%s; min=%s;\n", partition, maj, min);
 765                                 }
 766                         }
 767                         ' /proc/partitions)"
 768                 if [ "$device" != '/dev/no_partition_found' -a ! -b $device ]; then
 769                         mknod $device b $maj $min
 770                 fi
 771         EOF
 772
 773         add_linuxrc <<-EOF
 774                 rootdev=$rootdev
 775                 rootfs=$rootFs
 776         EOF
 777
 778         add_linuxrc <<-'EOF'
 779                 if [ "$device" = '/dev/no_partition_found' ]; then
 780                         device=$rootdev
 781                 fi
 782
 783                 [ -n "$ROOTFSFLAGS" ] && ROOTFSFLAGS="-o $ROOTFSFLAGS"
 784
 785                 mount -t $rootfs -r $device $ROOTFSFLAGS /newroot || echo "Mount of rootfs failed."
 786                 init="$(echo "$CMDLINE" | busybox awk '/init=\// { gsub(/.*init=/,NIL,$0); gsub(/ .*/,NIL,$0); print }')"
 787                 if [ -z "$init" -o ! -x "/newroot$init" ]; then
 788                         init=/sbin/init
 789                 fi
 790         EOF
 791
 792         umount_all
 793         busybox_applet switch_root
 794         add_linuxrc <<-'EOF'
 795                 exec switch_root /newroot $init ${1:+"$@"}
 796
 797                 echo "Error! initramfs should not reach this place."
 798                 echo "It probably means you've got old version of busybox, with broken"
 799                 echo "initramfs support. Trying to boot anyway, but won't promise anything."
 800
 801                 exec chroot /newroot $init ${1:+"$@"}
 802
 803                 echo "Failed to chroot!"
 804                 debugshell
 805         EOF
 806         # we need /init being real file, not symlink, otherwise the initramfs will
 807         # not be ran by pid 1 which is required for switch_root
 808         mv $DESTDIR/linuxrc $DESTDIR/init
 809         ln -s init $DESTDIR/linuxrc
 810 }
 811
 812 # find if $symbol exists in System.map $mapfile
 813 sym_exists() {
 814         local mapfile="$1"
 815         local symbol="$2"
 816         if [ ! -f $mapfile ]; then
 817                 # missing mapfile (not a pld kernel?)
 818                 return 1
 819         fi
 820
 821         awk -vc=1 -vsymbol="$symbol" '$2 == "T" && $3 == symbol {c = 0} END {exit c}' $mapfile
 822 }
 823
 824 # find best compressor (or forced one) for initrd
 825 find_compressor() {
 826         local mode="$1"
 827         # fastest initrd decompression speed is first
 828         local compressors='lzo gzip xz lzma bzip2'
 829
 830         # a specified one, take it
 831         if ! is_yes "$mode"; then
 832                 compressors="$mode"
 833         fi
 834
 835         debug "finding compressor: $compressors (via $mode)"
 836         # check for compressor validity
 837         local c prog map=/boot/System.map-$kernel
 838         for c in $compressors; do
 839                 case $c in
 840                 xz)
 841                         sym=unxz
 842                         prog=/usr/bin/xz
 843                         ;;
 844                 lzma)
 845                         sym=unlzma
 846                         prog=/usr/bin/xz
 847                         ;;
 848                 bzip2)
 849                         sym=bzip2
 850                         prog=/usr/bin/bzip2
 851                         ;;
 852                 gzip)
 853                         sym=gunzip
 854                         prog=/bin/gzip
 855                         ;;
 856                 lzo)
 857                         sym=unlzo
 858                         prog=/usr/bin/lzop
 859                         ;;
 860                 none|no)
 861                         # any existing sym will work
 862                         sym=initrd_load
 863                         prog=/bin/cat
 864                         ;;
 865                 *)
 866                         die "Unknown compressor $c"
 867                         ;;
 868                 esac
 869                 if sym_exists $map $sym && [ -x $prog ]; then
 870                         echo $c
 871                         return
 872                 fi
 873         done
 874
 875         debug "using gzip for compressor (fallback)"
 876         echo gzip
 877 }
 878
 879 # compresses kernel image image
 880 # in function so we could retry with other compressor on failure
 881 compress_image() {
 882         local compressor="$1" IMAGE="$2" target="$3" tmp
 883         tmp=$(mktemp "$target".XXXXXX) || die "mktemp failed"
 884
 885         case "$compressor" in
 886         xz)
 887                 # don't use -9 here since kernel won't understand it
 888                 xz --format=xz --check=crc32 --lzma2=preset=6e,dict=1MiB < "$IMAGE" > "$tmp" || return $?
 889                 ;;
 890         lzma)
 891                 xz --format=lzma -9 < "$IMAGE" > "$tmp" || return $?
 892                 ;;
 893         bzip2)
 894                 bzip2 -9 < "$IMAGE" > "$tmp" || return $?
 895                 ;;
 896         gzip)
 897                 gzip -9 < "$IMAGE" > "$tmp" || return $?
 898                 ;;
 899         lzo)
 900                 lzop -9 < "$IMAGE" > "$tmp" || return $?
 901                 ;;
 902         none|no)
 903                 cat < "$IMAGE" > "$tmp" || return $?
 904                 ;;
 905         esac
 906
 907         mv -f "$tmp" "$target"
 908 }
 909
 910 if [ -r /etc/sysconfig/geninitrd ]; then
 911         . /etc/sysconfig/geninitrd
 912 fi
 913
 914 if [ ! -f /proc/mounts ]; then
 915         warn "/proc filesystem not mounted, may cause wrong results or failure."
 916 fi
 917
 918 geninitrd_load_mods ide luks multipath dmraid lvm md blkid udev tuxonice suspend fbsplash condecor bootsplash uvesafb nfs sata scsi usbkbd
 919
 920 while [ $# -gt 0 ]; do
 921         case $1 in
 922         --fstab=*)
 923                 fstab=${1#--fstab=}
 924                 ;;
 925         --fstab)
 926                 fstab=$2
 927                 shift
 928                 ;;
 929         --modules-conf=*)
 930                 modulefile=${1#--modules-conf=}
 931                 ;;
 932         --modules-conf)
 933                 modulefile=$2
 934                 shift
 935                 ;;
 936         --with-bootsplash)
 937                 BOOT_SPLASH=yes
 938                 ;;
 939         --without-bootsplash)
 940                 BOOT_SPLASH=no
 941                 ;;
 942         --with-fbsplash)
 943                 FB_SPLASH=yes
 944                 ;;
 945         --without-fbsplash)
 946                 FB_SPLASH=no
 947                 ;;
 948         --with-fbcondecor)
 949                 FB_CON_DECOR=yes
 950                 ;;
 951         --without-fbcondecor)
 952                 FB_CON_DECOR=no
 953                 ;;
 954         --with-suspend)
 955                 USE_SUSPEND=yes
 956                 ;;
 957         --without-suspend)
 958                 USE_SUSPEND=no
 959                 ;;
 960         --with-suspend2 | --with-tuxonice)
 961                 USE_TUXONICE=yes
 962                 ;;
 963         --without-suspend2 | --without-tuxonice)
 964                 USE_TUXONICE=no
 965                 ;;
 966         --lvmversion=*)
 967                 LVMTOOLSVERSION=${1#--lvmversion=}
 968                 ;;
 969         --lvmtoolsversion=*)
 970                 LVMTOOLSVERSION=${1#--lvmtoolsversion=}
 971                 ;;
 972         --lvmtoolsversion|--lvmversion)
 973                 LVMTOOLSVERSION=$2
 974                 shift
 975                 ;;
 976         --without-udev)
 977                 USE_UDEV=no
 978                 ;;
 979         --with-udev)
 980                 USE_UDEV=yes
 981                 ;;
 982         --without-dmraid)
 983                 USE_DMRAID=no
 984                 ;;
 985         --without-multipath)
 986                 USE_MULTIPATH=no
 987                 ;;
 988         --with-multipath=*)
 989                 USE_MULTIPATH=${1#--with-multipath=}
 990                 ;;
 991         --without-blkid)
 992                 USE_BLKID=no
 993                 ;;
 994         --without-luks)
 995                 USE_LUKS=no
 996                 ;;
 997         --with=*)
 998                 BASICMODULES="$BASICMODULES ${1#--with=}"
 999                 ;;
1000         --with)
1001                 BASICMODULES="$BASICMODULES $2"
1002                 shift
1003                 ;;
1004         --version)
1005                 echo "$PROGRAM: version $VERSION"
1006                 exit 0
1007                 ;;
1008         -v)
1009                 verbose=-v
1010                 ;;
1011         --compress)
1012                 COMPRESS=$2
1013                 ;;
1014         --compress=*)
1015                 COMPRESS="${1#--compress=}"
1016                 ;;
1017         --nocompress)
1018                 COMPRESS=no
1019                 ;;
1020         --ifneeded)
1021                 ifneeded=1
1022                 ;;
1023         -f)
1024                 force=1
1025                 ;;
1026         --preload=*)
1027                 PREMODS="$PREMODS ${1#--preload=}"
1028                 ;;
1029         --preload)
1030                 PREMODS="$PREMODS $2"
1031                 shift
1032                 ;;
1033         --fs=* | --fs)
1034                 die "--fs option is obsoleted. Use --initrdfs instead"
1035                 ;;
1036         --initrdfs=*)
1037                 INITRDFS=${1#--initrdfs=}
1038                 ;;
1039         --initrdfs)
1040                 INITRDFS=$2
1041                 shift
1042                 ;;
1043         --image-version)
1044                 img_vers=yes
1045                 ;;
1046         --ide-only-root)
1047                 ide_only_root="yes"
1048                 ;;
1049         *)
1050                 if [ -z "$target" ]; then
1051                         target="$1"
1052                 elif [ -z "$kernel" ]; then
1053                         kernel="$1"
1054                 else
1055                         usage
1056                         exit 1
1057                 fi
1058                 ;;
1059         esac
1060
1061         shift
1062 done
1063
1064 if [ -z "$target" -o -z "$kernel" ]; then
1065         usage
1066         exit 1
1067 fi
1068
1069 # main()
1070 if [ "$(id -u)" != 0 ]; then
1071         die "You need to be root to generate initrd"
1072 fi
1073
1074 if [ -d /lib64 -a -d /usr/lib64 ]; then
1075         _lib=lib64
1076 else
1077         _lib=lib
1078 fi
1079
1080 initrd_dir=/usr/$_lib/initrd
1081 kernel_version=$(echo "$kernel" | awk -F. '{gsub(/[_-].*/, "", $0); print sprintf("%03d%03d",$1,$2)}')
1082 kernel_version_long=$(echo "$kernel" | awk -F. '{gsub(/[_-].*/, "", $0); print sprintf("%03d%03d%03d",$1,$2,$3)}')
1083
1084 debug "# $GENINITRD_RCSID (geninitrd)"
1085 debug "Using _lib: $_lib"
1086 debug "Using initrd_dir: $initrd_dir"
1087
1088 busybox=$(find_tool $initrd_dir/busybox $initrd_dir/initrd-busybox /bin/initrd-busybox) || die "Couldn't find busybox suitable for initrd"
1089
1090 # we setup mods after parsing command line args
1091 geninitrd_setup_mods
1092
1093 if [ ! -f /boot/vmlinuz-"$kernel" ]; then
1094         warn "/boot/vmlinuz-$kernel doesn't exist, is your /boot mounted?"
1095 fi
1096
1097 if [ -z "$INITRDFS" ]; then
1098         if [ -n "$FS" ]; then
1099                 # FS= can came only via /etc/sysconfig/geninitrd likely?
1100                 die "FS configuration option is obsoleted. Use INITRDFS instead"
1101         fi
1102
1103         # default value
1104         if [ "$kernel_version" -ge "002005" ]; then
1105                 INITRDFS="initramfs"
1106         else
1107                 INITRDFS="rom"
1108         fi
1109 fi
1110
1111 case "$INITRDFS" in
1112   ext2)
1113         [ -x /sbin/mke2fs ] || die "/sbin/mke2fs is missing"
1114         ;;
1115   rom|romfs)
1116         [ -x /sbin/genromfs ] || die "/sbin/genromfs is missing"
1117         ;;
1118   cram|cramfs)
1119         [ -x /sbin/mkcramfs ] || die "/sbin/mkcramfs is missing"
1120         ;;
1121   initramfs)
1122         [ -x /bin/cpio ] || die "/bin/cpio is missing"
1123         [ -x /usr/bin/find ] || die "/usr/bin/find is missing"
1124         ;;
1125   *)
1126         die "Filesystem $INITRDFS on initrd is not supported"
1127         ;;
1128 esac
1129
1130 if [ -L "$target" ]; then
1131         target=$(readlink -f "$target")
1132 fi
1133
1134 if [ -n "$img_vers" ]; then
1135         target="$target-$kernel"
1136 fi
1137
1138 if [ -z "$force" -a -f "$target" ]; then
1139         die "$target already exists."
1140 fi
1141
1142 if [ ! -d "/lib/modules/$kernel" ]; then
1143         die "/lib/modules/$kernel is not a directory."
1144 fi
1145
1146 if [ "$kernel_version" -ge "002005" ]; then
1147         modext=".ko"
1148 fi
1149
1150 cache_modprobe_conf
1151
1152 for n in $PREMODS; do
1153         find_module "$n"
1154 done
1155
1156 if [ "$FBMODULE" ]; then
1157         find_module "$FBMODULE"
1158 fi
1159
1160 # autodetect USB keyboards
1161 find_modules_usbkbd
1162
1163 # allow forcing loading SCSI and/or IDE modules
1164 # XXX: where ADDSCSI cames from? drop?
1165 if is_yes "$ADDSCSI"; then
1166         find_modules_scsi
1167 fi
1168
1169 # autodetect SATA modules
1170 find_modules_sata
1171
1172 # XXX: where ADDIDE cames from? drop?
1173 if is_yes "$ADDIDE"; then
1174         find_modules_ide
1175 fi
1176
1177 if is_yes "$USE_SUSPEND"; then
1178         find_modules_suspend
1179 fi
1180
1181 find_root "$fstab" || exit
1182 debug "Using $rootdev as device for rootfs"
1183
1184 find_modules_for_devpath "$rootdev"
1185
1186 # if USE_MULTIPATH is path to device, scan that too
1187 # this is to bootstrap multipath setup into initrd.
1188 if ! is_no "$USE_MULTIPATH" && ! is_yes "$USE_MULTIPATH"; then
1189         find_modules_multipath $USE_MULTIPATH
1190 fi
1191
1192 find_module "-$rootFs"
1193
1194 for n in $BASICMODULES; do
1195         find_module "$n"
1196 done
1197
1198 if is_yes "$USE_TUXONICE"; then
1199         find_module "-lzf"
1200 fi
1201
1202 find_modules_fbsplash
1203
1204 if [ -n "$ifneeded" -a -z "$MODULES" ]; then
1205         debug "No modules are needed -- not building initrd image."
1206         exit 0
1207 fi
1208
1209 debug "Building initrd..."
1210 DESTDIR=$(mktemp -d -t initrd.XXXXXX) || die "mktemp failed"
1211 RCFILE="$DESTDIR/linuxrc"
1212 > "$RCFILE"
1213 chmod a+rx "$RCFILE"
1214 ln -s linuxrc $DESTDIR/init
1215
1216 # create dirs that we really need
1217 inst_d /{lib,bin,etc,dev{,/pts,/shm},loopfs,var,proc,sys}
1218
1219 modules_install "$MODULES"
1220
1221 # mknod'ing the devices instead of copying them works both with and
1222 # without devfs...
1223 mknod "$DESTDIR/dev/console" c 5 1
1224 mknod "$DESTDIR/dev/null" c 1 3
1225 mknod "$DESTDIR/dev/zero" c 1 5
1226 mknod "$DESTDIR/dev/random" c 1 8
1227 mknod "$DESTDIR/dev/urandom" c 1 9
1228
1229 inst_exec $busybox /bin/busybox
1230 ln -s busybox $DESTDIR/bin/sh
1231 # for older busyboxes who had /bin/initrd-busybox as EXEPATH
1232 ln -s busybox $DESTDIR/bin/initrd-busybox
1233
1234 add_linuxrc <<EOF
1235 #!/bin/sh
1236 # initrd generated by:
1237 # $GENINITRD_RCSID
1238
1239 EOF
1240 mount_proc
1241 add_linuxrc <<-'EOF'
1242         read CMDLINE < /proc/cmdline; export CMDLINE
1243
1244         for arg in $CMDLINE; do
1245                 if [ "${arg}" = "debuginitrd" ]; then
1246                         DEBUGINITRD=yes
1247                 fi
1248                 if [ "${arg##debuginitrd=}" != "${arg}" ]; then
1249                         DEBUGINITRD=${arg##debuginitrd=}
1250                 fi
1251                 if [ "${arg##root=}" != "${arg}" ]; then
1252                         ROOT=${arg##root=}
1253                 fi
1254                 if [ "${arg##rootfsflags=}" != "${arg}" ]; then
1255                         ROOTFSFLAGS=${arg##rootfsflags=}
1256                 fi
1257         done
1258
1259         # make debugshell() invoke subshell if $DEBUGINITRD=sh
1260         if [ "$DEBUGINITRD" = "sh" ]; then
1261                 debugshell() {
1262 EOF
1263 if is_yes "$RUN_SULOGIN_ON_ERR"; then
1264 add_linuxrc <<-'EOF'
1265         echo "debug shell disabled by /etc/sysconfig/system:RUN_SULOGIN_ON_ERR setting"
1266 EOF
1267 else
1268 add_linuxrc <<-'EOF'
1269         sh
1270 EOF
1271 fi
1272 add_linuxrc <<-'EOF'
1273                 }
1274         else
1275                 debugshell() {
1276                         :
1277                 }
1278         fi
1279
1280         if [ "$DEBUGINITRD" ]; then
1281                 set -x
1282         fi
1283 EOF
1284
1285 modules_add_linuxrc $MODULES
1286
1287 # TODO: rewrite for busybox
1288 #if [ -n "$loopDev" ]; then
1289 #       if [ ! -d /initrd ]; then
1290 #               mkdir /initrd
1291 #       fi
1292 #
1293 #       cp -a "$loopDev" "$DESTDIR/dev"
1294 #       cp -a "$rootdev" "$DESTDIR/dev"
1295 #       echo "echo Mounting device containing loopback root filesystem" >> "$RCFILE"
1296 #       echo "mount -t $loopFs $loopDev /loopfs" >> "$RCFILE"
1297 #       echo "echo Setting up loopback device $rootdev" >> $RCFILE
1298 #       echo "losetup $rootdev /loopfs$loopFile" >> "$RCFILE"
1299 #fi
1300
1301 if is_yes "$USE_UDEV"; then
1302         initrd_gen_udev
1303 fi
1304
1305 find_modules_uvesafb
1306 initrd_gen_uvesafb
1307
1308 initrd_gen_luks
1309 initrd_gen_dmraid
1310 initrd_gen_multipath
1311 initrd_gen_blkid
1312
1313 if is_yes "$have_nfs"; then
1314         initrd_gen_nfs
1315 else
1316         initrd_gen_md
1317         initrd_gen_lvm
1318         initrd_gen_luks
1319         initrd_gen_setrootdev
1320 fi
1321
1322 initrd_gen_tuxonice
1323 initrd_gen_suspend
1324
1325 # additional devs always needed
1326 [ ! -e "$DESTDIR/$rootdev_add" ] && inst $rootdev_add /dev
1327
1328 initrd_gen_stop_udevd
1329 initrd_gen_stop_uvesafb
1330
1331 if [ "$INITRDFS" = "initramfs" ]; then
1332         initrd_gen_initramfs_switchroot
1333 else
1334         umount_all
1335 fi
1336
1337 initrd_gen_fbsplash
1338 initrd_gen_fbcondecor
1339
1340 IMAGE=$(mktemp -t initrd.img-XXXXXX) || die "mktemp failed"
1341
1342 IMAGESIZE=$(du -ks $DESTDIR | awk '{print int(($1+1023+512)/1024)*1024}')
1343 debug "image size: $IMAGESIZE KiB ($DESTDIR)"
1344
1345 debug "Creating $INITRDFS image $IMAGE"
1346 case "$INITRDFS" in
1347   ext2)
1348         dd if=/dev/zero of="$IMAGE" bs=1k count="$IMAGESIZE" 2> /dev/null
1349         # NOTE: ext2 label is max 16 chars
1350         mke2fs -q -F -b 1024 -m 0 -L "PLD/$kernel" "$IMAGE" 2>/dev/null 1>&2
1351         tune2fs -i 0 "$IMAGE" >/dev/null 2>&1
1352
1353         local tmpmnt=$(mktemp -d -t initrd.mnt-XXXXXX)
1354         debug "Mounting ext2 image $IMAGE to $tmpmnt"
1355         mount -o loop -t ext2 "$IMAGE" "$tmpmnt" || die "mount failed, check dmesg(1)"
1356         # We don't need this directory, so let's save space
1357         rm -rf "$tmpmnt"/lost+found
1358
1359         debug "Copy recursively $DESTDIR -> $tmpmnt"
1360         cp -a $DESTDIR/* $tmpmnt
1361         umount "$IMAGE"
1362         rmdir "$tmpmnt"
1363
1364         ;;
1365   rom|romfs)
1366         genromfs -f "$IMAGE" -d "$DESTDIR" -V "PLD Linux/$kernel (geninitrd/$VERSION)"
1367         ;;
1368   cram|cramfs)
1369         mkcramfs "$DESTDIR" "$IMAGE"
1370         ;;
1371   initramfs)
1372         (cd $DESTDIR; find . | cpio --quiet -H newc -o > "$IMAGE")
1373         ;;
1374   *)
1375         die "Filesystem $INITRDFS not supported by $PROGRAM"
1376 esac
1377
1378 CONFIG_BLK_DEV_RAM_SIZE=$(ikconfig | awk -F= '/^CONFIG_BLK_DEV_RAM_SIZE/{print $2}')
1379 if [ -z "$CONFIG_BLK_DEV_RAM_SIZE" ]; then
1380         CONFIG_BLK_DEV_RAM_SIZE=4096
1381 fi
1382
1383 if [ "$IMAGESIZE" -gt $CONFIG_BLK_DEV_RAM_SIZE ]; then
1384         warn "Your image size is larger than $CONFIG_BLK_DEV_RAM_SIZE, Be sure to boot kernel with ramdisk_size=$IMAGESIZE!"
1385 fi
1386
1387 if ! is_no "$COMPRESS"; then
1388         compressor=$(find_compressor "$COMPRESS")
1389         debug "Compressing $target with $compressor"
1390
1391         # TODO: the image name (specified from kernel.spec) already contains
1392         # extension, which is .gz most of the time.
1393         compress_image "$compressor" "$IMAGE" "$target" || {
1394                 if [ $compressor != gzip ]; then
1395                         warn "Could not compress with $compressor, retrying with gzip"
1396                         compress_image gzip "$IMAGE" "$target" || die "compress failed with gzip" $?
1397                 else
1398                         die "Could not compress image with $compressor"
1399                 fi
1400         }
1401 else
1402         cp -a "$IMAGE" "$target"
1403 fi
1404
1405 # XXX. check if bootsplash can output data to tmp dir not directly to initramfs image.
1406 initrd_gen_bootsplash "$target"
1407
1408 rm -rf "$DESTDIR" "$IMAGE"
1409
1410 # vim:ts=4:sw=4:noet:fdm=marker