gen_cmdline.sh

   1 #!/bin/bash
   2
   3 longusage() {
   4   echo "Gentoo Linux Genkernel ${GK_V}"
   5   echo "Usage: "
   6   echo "  genkernel [options] action"
   7   echo
   8   echo "Available Actions: "
   9   echo "  all                           Build all steps"
  10   echo "  bzImage                       Build only the kernel"
  11   echo "  kernel                        Build only the kernel and modules"
  12   echo "  initrd                        Build only the initrd"
  13   echo
  14   echo "Available Options: "
  15   echo "  Debug settings"
  16   echo "        --debuglevel=<0-5>      Debug Verbosity Level"
  17   echo "        --debugfile=<outfile>   Output file for debug info"
  18   echo "        --color                 Output debug in color"
  19   echo "        --no-color              Do not output debug in color"
  20   echo "  Kernel Configuration settings"
  21   echo "        --menuconfig            Run menuconfig after oldconfig"
  22   echo "        --no-menuconfig         Do not run menuconfig after oldconfig"
  23   echo "        --gconfig               Run gconfig after oldconfig"
  24   echo "        --xconfig               Run xconfig after oldconfig"
  25   echo "        --save-config           Save the configuration to /etc/kernels"
  26   echo "        --no-save-config        Don't save the configuration to /etc/kernels"
  27   echo "  Kernel Compile settings"
  28   echo "        --clean                 Run make clean before compilation"
  29   echo "        --mrproper              Run make mrproper before compilation"
  30   echo "        --no-clean              Do not run make clean before compilation"
  31   echo "        --no-mrproper           Do not run make mrproper before compilation"
  32   echo "        --oldconfig             Implies --no-clean and runs a 'make oldconfig'"
  33   echo "        --bootsplash            Install bootsplash support to the initrd"
  34   echo "        --no-bootsplash         Do not use bootsplash"
  35   echo "        --gensplash             Install gensplash support into bzImage"
  36   echo "        --no-gensplash          Do not use gensplash"
  37   echo "        --install               Install the kernel after building"
  38   echo "        --no-install            Do not install the kernel after building"
  39   echo "        --no-initrdmodules      Don't copy any modules to the initrd"
  40   echo "        --no-udev               Disable udev support"
  41   echo "        --no-devfs              Disable devfs support"
  42   echo "        --callback=<...>        Run the specified arguments after the"
  43   echo "                                kernel and modules have been compiled"
  44   echo "  Kernel settings"
  45   echo "        --kerneldir=<dir>       Location of the kernel sources"
  46   echo "        --kernel-config=<file>  Kernel configuration file to use for compilation"
  47   echo "        --module-prefix=<dir>   Prefix to kernel module destination, modules will"
  48   echo "                                be installed in <prefix>/lib/modules"
  49   echo "  Low-Level Compile settings"
  50   echo "        --kernel-cc=<compiler>  Compiler to use for kernel (e.g. distcc)"
  51   echo "        --kernel-as=<assembler> Assembler to use for kernel"
  52   echo "        --kernel-ld=<linker>    Linker to use for kernel"
  53   echo "        --kernel-cross-compile=<cross var> CROSS_COMPILE kernel variable"
  54   echo "        --kernel-make=<makeprg> GNU Make to use for kernel"
  55   echo "        --utils-cc=<compiler>   Compiler to use for utilities"
  56   echo "        --utils-as=<assembler>  Assembler to use for utils"
  57   echo "        --utils-ld=<linker>     Linker to use for utils"
  58   echo "        --utils-make=<makeprog> GNU Make to use for utils"
  59   echo "        --makeopts=<makeopts>   Make options such as -j2, etc..."
  60   echo "        --mountboot             Mount /boot automatically"
  61   echo "        --no-mountboot          Don't mount /boot automatically"
  62   echo "  Initialization"
  63   echo "        --bootsplash=<theme>    Force bootsplash using <theme>"
  64   echo "        --gensplash=<theme>     Force gensplash using <theme>"
  65   echo "        --gensplash-res=<res>   Select gensplash resolutions"
  66   echo "        --do-keymap-auto        Forces keymap selection at boot"
  67   echo "        --evms2                 Include EVMS2 support"
  68   echo "                                --> 'emerge evms' in the host operating system first"
  69   echo "        --lvm2                  Include LVM2 support"
  70 #  echo "       --unionfs               Include UNIONFS support"
  71   echo "        --dmraid                Include DMRAID support"
  72   echo "        --bladecenter   Enables extra pauses for IBM Bladecenter CD boots"
  73   echo "        --bootloader=grub       Add new kernel to GRUB configuration"
  74   echo "        --linuxrc=<file>        Specifies a user created linuxrc"
  75   echo "        --disklabel             Include disk label and uuid support in your initrd"
  76   echo "  Internals"
  77   echo "        --arch-override=<arch>  Force to arch instead of autodetect"
  78   echo "        --cachedir=<dir>        Override the default cache location"
  79   echo "        --tempdir=<dir>         Location of Genkernel's temporary directory"
  80   echo "        --postclear             Clear all tmp files and caches after genkernel has run"
  81   echo "  Output Settings"
  82   echo "        --kernname=<...>        Tag the kernel and initrd with a name:"
  83   echo "                                If not defined the option defaults to 'genkernel'"
  84   echo "        --minkernpackage=<tbz2> File to output a .tar.bz2'd kernel and initrd:"
  85   echo "                                No modules outside of the initrd will be"
  86   echo "                                included..."
  87   echo "        --modulespackage=<tbz2> File to output a .tar.bz2'd modules after the callbacks have run"
  88   echo "        --kerncache=<tbz2>      File to output a .tar.bz2'd kernel,"
  89   echo "                                contents of /lib/modules/ and the kernel config"
  90   echo "                                NOTE: This is created before the callbacks are run!"
  91   echo "        --no-kernel-sources     This option is only valid if kerncache is defined"
  92   echo "                                If there is a valid kerncache no checks will be made"
  93   echo "                                against a kernel source tree"
  94   echo "        --initramfs-overlay=<dir>"
  95   echo "                                Directory structure to include in the initramfs,"
  96   echo "                                only available on 2.6 kernels that don't use bootsplash"
  97 }
  98
  99 usage() {
 100   echo "Gentoo Linux Genkernel ${GK_V}"
 101   echo "Usage: "
 102   echo "        genkernel [options] all"
 103   echo
 104   echo 'Some useful options:'
 105   echo '        --menuconfig            Run menuconfig after oldconfig'
 106   echo '        --no-clean              Do not run make clean before compilation'
 107   echo '        --no-mrproper           Do not run make mrproper before compilation,'
 108   echo '                                this is implied by --no-clean.'
 109   echo
 110   echo 'For a detailed list of supported options and flags; issue:'
 111   echo '        genkernel --help'
 112 }
 113
 114 parse_opt() {
 115         case "$1" in
 116                 *\=*)
 117                         echo "$1" | cut -f2- -d=
 118                 ;;
 119         esac
 120 }
 121
 122 parse_cmdline() {
 123         case "$*" in
 124               --kernel-cc=*)
 125                       CMD_KERNEL_CC=`parse_opt "$*"`
 126                       print_info 2 "CMD_KERNEL_CC: $CMD_KERNEL_CC"
 127               ;;
 128               --kernel-ld=*)
 129                       CMD_KERNEL_LD=`parse_opt "$*"`
 130                       print_info 2 "CMD_KERNEL_LD: $CMD_KERNEL_LD"
 131               ;;
 132               --kernel-as=*)
 133                       CMD_KERNEL_AS=`parse_opt "$*"`
 134                       print_info 2 "CMD_KERNEL_AS: $CMD_KERNEL_AS"
 135               ;;
 136               --kernel-make=*)
 137                       CMD_KERNEL_MAKE=`parse_opt "$*"`
 138                       print_info 2 "CMD_KERNEL_MAKE: $CMD_KERNEL_MAKE"
 139               ;;
 140               --kernel-cross-compile=*)
 141                       CMD_KERNEL_CROSS_COMPILE=`parse_opt "$*"`
 142                       CMD_KERNEL_CROSS_COMPILE=$(echo ${CMD_KERNEL_CROSS_COMPILE}|sed -e 's/.*[^-]$/&-/g')
 143                       print_info 2 "CMD_KERNEL_CROSS_COMPILE: $CMD_KERNEL_CROSS_COMPILE"
 144               ;;
 145               --utils-cc=*)
 146                       CMD_UTILS_CC=`parse_opt "$*"`
 147                       print_info 2 "CMD_UTILS_CC: $CMD_UTILS_CC"
 148               ;;
 149               --utils-ld=*)
 150                       CMD_UTILS_LD=`parse_opt "$*"`
 151                       print_info 2 "CMD_UTILS_LD: $CMD_UTILS_LD"
 152               ;;
 153               --utils-as=*)
 154                       CMD_UTILS_AS=`parse_opt "$*"`
 155                       print_info 2 "CMD_UTILS_AS: $CMD_UTILS_AS"
 156               ;;
 157               --utils-make=*)
 158                       CMD_UTILS_MAKE=`parse_opt "$*"`
 159                       print_info 2 "CMD_UTILS_MAKE: $CMD_UTILS_MAKE"
 160               ;;
 161               --makeopts=*)
 162                       CMD_MAKEOPTS=`parse_opt "$*"`
 163                       print_info 2 "CMD_MAKEOPTS: $CMD_MAKEOPTS"
 164               ;;
 165               --mountboot)
 166                       CMD_MOUNTBOOT=1
 167                       print_info 2 "CMD_MOUNTBOOT: $CMD_MOUNTBOOT"
 168               ;;
 169               --no-mountboot)
 170                       CMD_MOUNTBOOT=0
 171                       print_info 2 "CMD_MOUNTBOOT: $CMD_MOUNTBOOT"
 172               ;;
 173               --do-keymap-auto)
 174                       CMD_DOKEYMAPAUTO=1
 175                       print_info 2 "CMD_DOKEYMAPAUTO: $CMD_DOKEYMAPAUTO"
 176               ;;
 177               --evms2)
 178                       CMD_EVMS2=1
 179                       print_info 2 "CMD_EVMS2: $CMD_EVMS2"
 180               ;;
 181               --unionfs)
 182                       echo
 183                       print_warning 1 "WARNING: unionfs support is in active development and is not meant for general use."
 184                       print_warning 1 "DISABLING UNIONFS SUPPORT AT THIS TIME."
 185                       echo
 186               ;;
 187               --unionfs-dev)
 188                       CMD_UNIONFS=1
 189                       print_info 2 "CMD_UNIONFS: $CMD_UNIONFS"
 190                       echo
 191                       print_warning 1 "WARNING: unionfs support is in active development and is not meant for general use."
 192                       print_warning 1 "Bug Reports without patches/fixes will be ignored."
 193                       print_warning 1 "Use at your own risk as this could blow up your system."
 194                       print_warning 1 "This code is subject to change at any time."
 195                       echo
 196               ;;
 197               --lvm2)
 198                       CMD_LVM2=1
 199                       print_info 2 "CMD_LVM2: $CMD_LVM2"
 200               ;;
 201               --no-busybox)
 202                       CMD_NO_BUSYBOX=1
 203                       print_info 2 "CMD_NO_BUSYBOX: $CMD_NO_BUSYBOX"
 204               ;;
 205                   --bladecenter)
 206                       CMD_BLADECENTER=1
 207                           print_info 2 "CMD_BLADECENTER: $CMD_BLADECENTER"
 208                   ;;
 209               --dmraid)
 210                       CMD_DMRAID=1
 211                       print_info 2 "CMD_DMRAID: $CMD_DMRAID"
 212               ;;
 213               --bootloader=*)
 214                       CMD_BOOTLOADER=`parse_opt "$*"`
 215                       print_info 2 "CMD_BOOTLOADER: $CMD_BOOTLOADER"
 216               ;;
 217               --debuglevel=*)
 218                       CMD_DEBUGLEVEL=`parse_opt "$*"`
 219                       DEBUGLEVEL="${CMD_DEBUGLEVEL}"
 220                       print_info 2 "CMD_DEBUGLEVEL: $CMD_DEBUGLEVEL"
 221               ;;
 222               --menuconfig)
 223                       TERM_LINES=`stty -a | head -n 1 | cut -d\  -f5 | cut -d\; -f1`
 224                       TERM_COLUMNS=`stty -a | head -n 1 | cut -d\  -f7 | cut -d\; -f1`
 225
 226                       if [[ TERM_LINES -lt 19 || TERM_COLUMNS -lt 80 ]]
 227                       then
 228                               echo "Error: You need a terminal with at least 80 columns"
 229                               echo "       and 19 lines for --menuconfig; try --nomenuconfig..."
 230                               exit 1
 231                       fi
 232                       CMD_MENUCONFIG=1
 233                       print_info 2 "CMD_MENUCONFIG: $CMD_MENUCONFIG"
 234               ;;
 235               --no-menuconfig)
 236                       CMD_MENUCONFIG=0
 237                       print_info 2 "CMD_MENUCONFIG: $CMD_MENUCONFIG"
 238               ;;
 239               --gconfig)
 240                       CMD_GCONFIG=1
 241                       print_info 2 "CMD_GCONFIG: $CMD_GCONFIG"
 242               ;;
 243               --xconfig)
 244                       CMD_XCONFIG=1
 245                       print_info 2 "CMD_XCONFIG: $CMD_XCONFIG"
 246               ;;
 247               --save-config)
 248                       CMD_SAVE_CONFIG=1
 249                       print_info 2 "CMD_SAVE_CONFIG: $CMD_SAVE_CONFIG"
 250               ;;
 251               --no-save-config)
 252                       CMD_SAVE_CONFIG=0
 253                       print_info 2 "CMD_SAVE_CONFIG: $CMD_SAVE_CONFIG"
 254               ;;
 255               --mrproper)
 256                       CMD_MRPROPER=1
 257                       print_info 2 "CMD_MRPROPER: $CMD_MRPROPER"
 258               ;;
 259               --no-mrproper)
 260                       CMD_MRPROPER=0
 261                       print_info 2 "CMD_MRPROPER: $CMD_MRPROPER"
 262               ;;
 263               --clean)
 264                       CMD_CLEAN=1
 265                       print_info 2 "CMD_CLEAN: $CMD_CLEAN"
 266               ;;
 267               --no-clean)
 268                       CMD_CLEAN=0
 269                       print_info 2 "CMD_CLEAN: $CMD_CLEAN"
 270               ;;
 271               --oldconfig)
 272                       CMD_CLEAN=0
 273                       CMD_OLDCONFIG=1
 274                       print_info 2 "CMD_CLEAN: $CMD_CLEAN"
 275                       print_info 2 "CMD_OLDCONFIG: $CMD_OLDCONFIG"
 276               ;;
 277               --bootsplash=*)
 278                       CMD_BOOTSPLASH=1
 279                       CMD_GENSPLASH=0
 280                       BOOTSPLASH_THEME=`parse_opt "$*"`
 281                       print_info 2 "CMD_BOOTSPLASH: $CMD_BOOTSPLASH"
 282                       print_info 2 "CMD_GENSPLASH: $CMD_GENSPLASH"
 283                       print_info 2 "BOOTSPLASH_THEME: $BOOTSPLASH_THEME"
 284               ;;
 285               --bootsplash)
 286                       CMD_BOOTSPLASH=1
 287                       CMD_GENSPLASH=0
 288                       print_info 2 "CMD_BOOTSPLASH: $CMD_BOOTSPLASH"
 289                       print_info 2 "CMD_GENSPLASH: $CMD_GENSPLASH"
 290               ;;
 291               --no-bootsplash)
 292                       CMD_BOOTSPLASH=0
 293                       print_info 2 "CMD_BOOTSPLASH: $CMD_BOOTSPLASH"
 294               ;;
 295               --gensplash=*)
 296                       CMD_GENSPLASH=1
 297                       CMD_BOOTSPLASH=0
 298                       GENSPLASH_THEME=`parse_opt "$*"`
 299                       print_info 2 "CMD_GENSPLASH: $CMD_GENSPLASH"
 300                       print_info 2 "GENSPLASH_THEME: $GENSPLASH_THEME"
 301                       print_info 2 "CMD_BOOTSPLASH: $CMD_BOOTSPLASH"
 302               ;;
 303               --gensplash)
 304                       CMD_GENSPLASH=1
 305                       CMD_BOOTSPLASH=0
 306                       GENSPLASH_THEME='default'
 307                       print_info 2 "CMD_GENSPLASH: $CMD_GENSPLASH"
 308                       print_info 2 "CMD_BOOTSPLASH: $CMD_BOOTSPLASH"
 309               ;;
 310               --no-gensplash)
 311                       CMD_GENSPLASH=0
 312                       print_info 2 "CMD_GENSPLASH: $CMD_GENSPLASH"
 313               ;;
 314               --gensplash-res=*)
 315                       GENSPLASH_RES=`parse_opt "$*"`
 316                       print_info 2 "GENSPLASH_RES: $GENSPLASH_RES"
 317               ;;
 318               --install)
 319                       CMD_NOINSTALL=0
 320                       print_info 2 "CMD_NOINSTALL: $CMD_NOINSTALL"
 321               ;;
 322               --no-install)
 323                       CMD_NOINSTALL=1
 324                       print_info 2 "CMD_NOINSTALL: $CMD_NOINSTALL"
 325               ;;
 326               --no-initrdmodules)
 327                       CMD_NOINITRDMODULES=1
 328                       print_info 2 "CMD_NOINITRDMODULES: $CMD_NOINITRDMODULES"
 329               ;;
 330               --udev)
 331                       echo
 332                       echo
 333                       print_info 1 "--udev is deprecated and no longer necessary as udev is on by default"
 334                       sleep 3
 335                       echo
 336                       echo
 337                       print_info 2 "CMD_UDEV: $CMD_UDEV"
 338               ;;
 339               --no-udev)
 340                       CMD_NO_UDEV=1
 341                       print_info 2 "CMD_NO_UDEV: $CMD_NO_UDEV"
 342               ;;
 343               --no-devfs)
 344                       CMD_NO_DEVFS=1
 345                       print_info 2 "CMD_NO_DEVFS: $CMD_NO_DEVFS"
 346               ;;
 347               --callback=*)
 348                       CMD_CALLBACK=`parse_opt "$*"`
 349                       print_info 2 "CMD_CALLBACK: $CMD_CALLBACK/$*"
 350               ;;
 351               --tempdir=*)
 352                       TEMP=`parse_opt "$*"`
 353                       print_info 2 "TEMP: $TEMP"
 354               ;;
 355               --postclear)
 356                       CMD_POSTCLEAR=1
 357                       print_info 2 "CMD_POSTCLEAR: $CMD_POSTCLEAR"
 358               ;;
 359               --arch-override=*)
 360                       CMD_ARCHOVERRIDE=`parse_opt "$*"`
 361                       print_info 2 "CMD_ARCHOVERRIDE: $CMD_ARCHOVERRIDE"
 362               ;;
 363               --color)
 364                       CMD_USECOLOR=1
 365                       print_info 2 "CMD_USECOLOR: $CMD_USECOLOR"
 366               ;;
 367               --no-color)
 368                       CMD_USECOLOR=0
 369                       print_info 2 "CMD_USECOLOR: $CMD_USECOLOR"
 370               ;;
 371               --debugfile=*)
 372                       CMD_DEBUGFILE=`parse_opt "$*"`
 373                       DEBUGFILE=`parse_opt "$*"`
 374                       print_info 2 "CMD_DEBUGFILE: $CMD_DEBUGFILE"
 375                       print_info 2 "DEBUGFILE: $CMD_DEBUGFILE"
 376               ;;
 377               --kerneldir=*)
 378                       CMD_KERNELDIR=`parse_opt "$*"`
 379                       print_info 2 "CMD_KERNELDIR: $CMD_KERNELDIR"
 380               ;;
 381               --kernel-config=*)
 382                       CMD_KERNEL_CONFIG=`parse_opt "$*"`
 383                       print_info 2 "CMD_KERNEL_CONFIG: $CMD_KERNEL_CONFIG"
 384               ;;
 385               --module-prefix=*)
 386                       CMD_INSTALL_MOD_PATH=`parse_opt "$*"`
 387                       print_info 2 "CMD_INSTALL_MOD_PATH: $CMD_INSTALL_MOD_PATH"
 388               ;;
 389               --cachedir=*)
 390                       CACHE_DIR=`parse_opt "$*"`
 391                       print_info 2 "CACHE_DIR: $CACHE_DIR"
 392               ;;
 393               --minkernpackage=*)
 394                       CMD_MINKERNPACKAGE=`parse_opt "$*"`
 395                       print_info 2 "MINKERNPACKAGE: $CMD_MINKERNPACKAGE"
 396               ;;
 397               --modulespackage=*)
 398                       CMD_MODULESPACKAGE=`parse_opt "$*"`
 399                       print_info 2 "MODULESPACKAGE: $CMD_MODULESPACKAGE"
 400               ;;
 401               --kerncache=*)
 402                       CMD_KERNCACHE=`parse_opt "$*"`
 403                       print_info 2 "KERNCACHE: $CMD_KERNCACHE"
 404               ;;
 405               --kernname=*)
 406                       CMD_KERNNAME=`parse_opt "$*"`
 407                       print_info 2 "KERNNAME: $CMD_KERNNAME"
 408               ;;
 409               --symlink)
 410                       CMD_SYMLINK=1
 411                       print_info 2 "CMD_SYMLINK: $CMD_SYMLINK"
 412               ;;
 413               --no-kernel-sources)
 414                       CMD_NO_KERNEL_SOURCES=1
 415                       print_info 2 "CMD_NO_KERNEL_SOURCES: $CMD_NO_KERNEL_SOURCES"
 416               ;;
 417               --initramfs-overlay=*)
 418                       CMD_INITRAMFS_OVERLAY=`parse_opt "$*"`
 419                       print_info 2 "CMD_INITRAMFS_OVERLAY: $CMD_INITRAMFS_OVERLAY"
 420               ;;
 421               --linuxrc=*)
 422                         CMD_LINUXRC=`parse_opt "$*"`
 423                         print_info 2 "CMD_LINUXRC: $CMD_LINUXRC"
 424               ;;
 425               --genzimage)
 426                         KERNEL_MAKE_DIRECTIVE_2='zImage.initrd'
 427                         KERNEL_BINARY_2='arch/ppc/boot/images/zImage.initrd.chrp'
 428                         GENERATE_Z_IMAGE=1
 429                         print_info 2 "GENERATE_Z_IMAGE: $GENERATE_Z_IMAGE"
 430               ;;
 431               --disklabel)
 432                       CMD_DISKLABEL=1
 433                       print_info 2 "CMD_DISKLABEL: $CMD_DISKLABEL"
 434               ;;
 435               all)
 436                       BUILD_KERNEL=1
 437                       BUILD_MODULES=1
 438                       BUILD_INITRD=1
 439               ;;
 440               initrd)
 441                       BUILD_INITRD=1
 442               ;;
 443               kernel)
 444                       BUILD_KERNEL=1
 445                       BUILD_MODULES=1
 446                       BUILD_INITRD=0
 447               ;;
 448               bzImage)
 449                       BUILD_KERNEL=1
 450                       BUILD_MODULES=0
 451                       BUILD_INITRD=1
 452                       CMD_NOINITRDMODULES=1
 453                       print_info 2 "CMD_NOINITRDMODULES: $CMD_NOINITRDMODULES"
 454               ;;
 455               --help)
 456                       longusage
 457                       exit 1
 458               ;;
 459               --version)
 460                       echo "${GK_V}"
 461                       exit 0
 462               ;;
 463               *)
 464                       echo "Error: Unknown option '$*'!"
 465                       exit 1
 466               ;;
 467         esac
 468 }