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 "        --bootloader=grub       Add new kernel to GRUB configuration"
  73   echo "        --linuxrc=<file>        Specifies a user created linuxrc"
  74   echo "  Internals"
  75   echo "        --arch-override=<arch>  Force to arch instead of autodetect"
  76   echo "        --cachedir=<dir>        Override the default cache location"
  77   echo "        --tempdir=<dir>         Location of Genkernel's temporary directory"
  78   echo "  Output Settings"
  79   echo "        --kernname=<...>        Tag the kernel and initrd with a name:"
  80   echo "                                If not defined the option defaults to 'genkernel'"
  81   echo "        --minkernpackage=<tbz2> File to output a .tar.bz2'd kernel and initrd:"
  82   echo "                                No modules outside of the initrd will be"
  83   echo "                                included..."
  84   echo "        --modulespackage=<tbz2> File to output a .tar.bz2'd modules after the callbacks have run"
  85   echo "        --kerncache=<tbz2>      File to output a .tar.bz2'd kernel,"
  86   echo "                                contents of /lib/modules/ and the kernel config"
  87   echo "                                NOTE: This is created before the callbacks are run!"
  88   echo "        --no-kernel-sources     This option is only valid if kerncache is defined"
  89   echo "                                If there is a valid kerncache no checks will be made"
  90   echo "                                against a kernel source tree"
  91   echo "        --initramfs-overlay=<dir>"
  92   echo "                                Directory structure to include in the initramfs,"
  93   echo "                                only available on 2.6 kernels that don't use bootsplash"
  94 }
  95
  96 usage() {
  97   echo "Gentoo Linux Genkernel ${GK_V}"
  98   echo "Usage: "
  99   echo "        genkernel [options] all"
 100   echo
 101   echo 'Some useful options:'
 102   echo '        --menuconfig            Run menuconfig after oldconfig'
 103   echo '        --no-clean              Do not run make clean before compilation'
 104   echo '        --no-mrproper           Do not run make mrproper before compilation,'
 105   echo '                                this is implied by --no-clean.'
 106   echo
 107   echo 'For a detailed list of supported options and flags; issue:'
 108   echo '        genkernel --help'
 109 }
 110
 111 parse_opt() {
 112         case "$1" in
 113                 *\=*)
 114                         echo "$1" | cut -f2- -d=
 115                 ;;
 116         esac
 117 }
 118
 119 parse_cmdline() {
 120         case "$*" in
 121               --kernel-cc=*)
 122                       CMD_KERNEL_CC=`parse_opt "$*"`
 123                       print_info 2 "CMD_KERNEL_CC: $CMD_KERNEL_CC"
 124               ;;
 125               --kernel-ld=*)
 126                       CMD_KERNEL_LD=`parse_opt "$*"`
 127                       print_info 2 "CMD_KERNEL_LD: $CMD_KERNEL_LD"
 128               ;;
 129               --kernel-as=*)
 130                       CMD_KERNEL_AS=`parse_opt "$*"`
 131                       print_info 2 "CMD_KERNEL_AS: $CMD_KERNEL_AS"
 132               ;;
 133               --kernel-make=*)
 134                       CMD_KERNEL_MAKE=`parse_opt "$*"`
 135                       print_info 2 "CMD_KERNEL_MAKE: $CMD_KERNEL_MAKE"
 136               ;;
 137               --kernel-cross-compile=*)
 138                       CMD_KERNEL_CROSS_COMPILE=`parse_opt "$*"`
 139                       CMD_KERNEL_CROSS_COMPILE=$(echo ${CMD_KERNEL_CROSS_COMPILE}|sed -e 's/.*[^-]$/&-/g')
 140                       print_info 2 "CMD_KERNEL_CROSS_COMPILE: $CMD_KERNEL_CROSS_COMPILE"
 141               ;;
 142               --utils-cc=*)
 143                       CMD_UTILS_CC=`parse_opt "$*"`
 144                       print_info 2 "CMD_UTILS_CC: $CMD_UTILS_CC"
 145               ;;
 146               --utils-ld=*)
 147                       CMD_UTILS_LD=`parse_opt "$*"`
 148                       print_info 2 "CMD_UTILS_LD: $CMD_UTILS_LD"
 149               ;;
 150               --utils-as=*)
 151                       CMD_UTILS_AS=`parse_opt "$*"`
 152                       print_info 2 "CMD_UTILS_AS: $CMD_UTILS_AS"
 153               ;;
 154               --utils-make=*)
 155                       CMD_UTILS_MAKE=`parse_opt "$*"`
 156                       print_info 2 "CMD_UTILS_MAKE: $CMD_UTILS_MAKE"
 157               ;;
 158               --makeopts=*)
 159                       CMD_MAKEOPTS=`parse_opt "$*"`
 160                       print_info 2 "CMD_MAKEOPTS: $CMD_MAKEOPTS"
 161               ;;
 162               --mountboot)
 163                       CMD_MOUNTBOOT=1
 164                       print_info 2 "CMD_MOUNTBOOT: $CMD_MOUNTBOOT"
 165               ;;
 166               --no-mountboot)
 167                       CMD_MOUNTBOOT=0
 168                       print_info 2 "CMD_MOUNTBOOT: $CMD_MOUNTBOOT"
 169               ;;
 170               --do-keymap-auto)
 171                       CMD_DOKEYMAPAUTO=1
 172                       print_info 2 "CMD_DOKEYMAPAUTO: $CMD_DOKEYMAPAUTO"
 173               ;;
 174               --evms2)
 175                       CMD_EVMS2=1
 176                       print_info 2 "CMD_EVMS2: $CMD_EVMS2"
 177               ;;
 178               --unionfs)
 179                       CMD_UNIONFS=1
 180                       print_info 2 "CMD_UNIONFS: $CMD_UNIONFS"
 181               ;;
 182               --lvm2)
 183                       CMD_LVM2=1
 184                       print_info 2 "CMD_LVM2: $CMD_LVM2"
 185               ;;
 186               --no-busybox)
 187                       CMD_NO_BUSYBOX=1
 188                       print_info 2 "CMD_NO_BUSYBOX: $CMD_NO_BUSYBOX"
 189               ;;
 190               --dmraid)
 191                       CMD_DMRAID=1
 192                       print_info 2 "CMD_DMRAID: $CMD_DMRAID"
 193               ;;
 194               --bootloader=*)
 195                       CMD_BOOTLOADER=`parse_opt "$*"`
 196                       print_info 2 "CMD_BOOTLOADER: $CMD_BOOTLOADER"
 197               ;;
 198               --debuglevel=*)
 199                       CMD_DEBUGLEVEL=`parse_opt "$*"`
 200                       DEBUGLEVEL="${CMD_DEBUGLEVEL}"
 201                       print_info 2 "CMD_DEBUGLEVEL: $CMD_DEBUGLEVEL"
 202               ;;
 203               --menuconfig)
 204                       TERM_LINES=`stty -a | head -n 1 | cut -d\  -f5 | cut -d\; -f1`
 205                       TERM_COLUMNS=`stty -a | head -n 1 | cut -d\  -f7 | cut -d\; -f1`
 206
 207                       if [[ TERM_LINES -lt 19 || TERM_COLUMNS -lt 80 ]]
 208                       then
 209                               echo "Error: You need a terminal with at least 80 columns"
 210                               echo "       and 19 lines for --menuconfig; try --nomenuconfig..."
 211                               exit 1
 212                       fi
 213                       CMD_MENUCONFIG=1
 214                       print_info 2 "CMD_MENUCONFIG: $CMD_MENUCONFIG"
 215               ;;
 216               --no-menuconfig)
 217                       CMD_MENUCONFIG=0
 218                       print_info 2 "CMD_MENUCONFIG: $CMD_MENUCONFIG"
 219               ;;
 220               --gconfig)
 221                       CMD_GCONFIG=1
 222                       print_info 2 "CMD_GCONFIG: $CMD_GCONFIG"
 223               ;;
 224               --xconfig)
 225                       CMD_XCONFIG=1
 226                       print_info 2 "CMD_XCONFIG: $CMD_XCONFIG"
 227               ;;
 228               --save-config)
 229                       CMD_SAVE_CONFIG=1
 230                       print_info 2 "CMD_SAVE_CONFIG: $CMD_SAVE_CONFIG"
 231               ;;
 232               --no-save-config)
 233                       CMD_SAVE_CONFIG=0
 234                       print_info 2 "CMD_SAVE_CONFIG: $CMD_SAVE_CONFIG"
 235               ;;
 236               --mrproper)
 237                       CMD_MRPROPER=1
 238                       print_info 2 "CMD_MRPROPER: $CMD_MRPROPER"
 239               ;;
 240               --no-mrproper)
 241                       CMD_MRPROPER=0
 242                       print_info 2 "CMD_MRPROPER: $CMD_MRPROPER"
 243               ;;
 244               --clean)
 245                       CMD_CLEAN=1
 246                       print_info 2 "CMD_CLEAN: $CMD_CLEAN"
 247               ;;
 248               --no-clean)
 249                       CMD_CLEAN=0
 250                       print_info 2 "CMD_CLEAN: $CMD_CLEAN"
 251               ;;
 252               --oldconfig)
 253                       CMD_CLEAN=0
 254                       CMD_OLDCONFIG=1
 255                       print_info 2 "CMD_CLEAN: $CMD_CLEAN"
 256                       print_info 2 "CMD_OLDCONFIG: $CMD_OLDCONFIG"
 257               ;;
 258               --bootsplash=*)
 259                       CMD_BOOTSPLASH=1
 260                       CMD_GENSPLASH=0
 261                       BOOTSPLASH_THEME=`parse_opt "$*"`
 262                       print_info 2 "CMD_BOOTSPLASH: $CMD_BOOTSPLASH"
 263                       print_info 2 "CMD_GENSPLASH: $CMD_GENSPLASH"
 264                       print_info 2 "BOOTSPLASH_THEME: $BOOTSPLASH_THEME"
 265               ;;
 266               --bootsplash)
 267                       CMD_BOOTSPLASH=1
 268                       CMD_GENSPLASH=0
 269                       print_info 2 "CMD_BOOTSPLASH: $CMD_BOOTSPLASH"
 270                       print_info 2 "CMD_GENSPLASH: $CMD_GENSPLASH"
 271               ;;
 272               --no-bootsplash)
 273                       CMD_BOOTSPLASH=0
 274                       print_info 2 "CMD_BOOTSPLASH: $CMD_BOOTSPLASH"
 275               ;;
 276               --gensplash=*)
 277                       CMD_GENSPLASH=1
 278                       CMD_BOOTSPLASH=0
 279                       GENSPLASH_THEME=`parse_opt "$*"`
 280                       print_info 2 "CMD_GENSPLASH: $CMD_GENSPLASH"
 281                       print_info 2 "GENSPLASH_THEME: $GENSPLASH_THEME"
 282                       print_info 2 "CMD_BOOTSPLASH: $CMD_BOOTSPLASH"
 283               ;;
 284               --gensplash)
 285                       CMD_GENSPLASH=1
 286                       CMD_BOOTSPLASH=0
 287                       GENSPLASH_THEME='default'
 288                       print_info 2 "CMD_GENSPLASH: $CMD_GENSPLASH"
 289                       print_info 2 "CMD_BOOTSPLASH: $CMD_BOOTSPLASH"
 290               ;;
 291               --no-gensplash)
 292                       CMD_GENSPLASH=0
 293                       print_info 2 "CMD_GENSPLASH: $CMD_GENSPLASH"
 294               ;;
 295               --gensplash-res=*)
 296                       GENSPLASH_RES=`parse_opt "$*"`
 297                       print info 2 "GENSPLASH_RES: $GENSPLASH_RES"
 298               ;;
 299               --install)
 300                       CMD_NOINSTALL=0
 301                       print_info 2 "CMD_NOINSTALL: $CMD_NOINSTALL"
 302               ;;
 303               --no-install)
 304                       CMD_NOINSTALL=1
 305                       print_info 2 "CMD_NOINSTALL: $CMD_NOINSTALL"
 306               ;;
 307               --no-initrdmodules)
 308                       CMD_NOINITRDMODULES=1
 309                       print_info 2 "CMD_NOINITRDMODULES: $CMD_NOINITRDMODULES"
 310               ;;
 311               --udev)
 312                       echo
 313                       echo
 314                       print_info 1 "--udev is deprecated and no longer necessary as udev is on by default"
 315                       sleep 3
 316                       echo
 317                       echo
 318                       print_info 2 "CMD_UDEV: $CMD_UDEV"
 319               ;;
 320               --no-udev)
 321                       CMD_NO_UDEV=1
 322                       print_info 2 "CMD_NO_UDEV: $CMD_NO_UDEV"
 323               ;;
 324               --no-devfs)
 325                       CMD_NO_DEVFS=1
 326                       print_info 2 "CMD_NO_DEVFS: $CMD_NO_DEVFS"
 327               ;;
 328               --callback=*)
 329                       CMD_CALLBACK=`parse_opt "$*"`
 330                       print_info 2 "CMD_CALLBACK: $CMD_CALLBACK/$*"
 331               ;;
 332               --tempdir=*)
 333                       TEMP=`parse_opt "$*"`
 334                       print_info 2 "TEMP: $TEMP"
 335               ;;
 336               --arch-override=*)
 337                       CMD_ARCHOVERRIDE=`parse_opt "$*"`
 338                       print_info 2 "CMD_ARCHOVERRIDE: $CMD_ARCHOVERRIDE"
 339               ;;
 340               --color)
 341                       CMD_USECOLOR=1
 342                       print_info 2 "CMD_USECOLOR: $CMD_USECOLOR"
 343               ;;
 344               --no-color)
 345                       CMD_USECOLOR=0
 346                       print_info 2 "CMD_USECOLOR: $CMD_USECOLOR"
 347               ;;
 348               --debugfile=*)
 349                       CMD_DEBUGFILE=`parse_opt "$*"`
 350                       DEBUGFILE=`parse_opt "$*"`
 351                       print_info 2 "CMD_DEBUGFILE: $CMD_DEBUGFILE"
 352                       print_info 2 "DEBUGFILE: $CMD_DEBUGFILE"
 353               ;;
 354               --kerneldir=*)
 355                       CMD_KERNELDIR=`parse_opt "$*"`
 356                       print_info 2 "CMD_KERNELDIR: $CMD_KERNELDIR"
 357               ;;
 358               --kernel-config=*)
 359                       CMD_KERNEL_CONFIG=`parse_opt "$*"`
 360                       print_info 2 "CMD_KERNEL_CONFIG: $CMD_KERNEL_CONFIG"
 361               ;;
 362               --module-prefix=*)
 363                       CMD_INSTALL_MOD_PATH=`parse_opt "$*"`
 364                       print_info 2 "CMD_INSTALL_MOD_PATH: $CMD_INSTALL_MOD_PATH"
 365               ;;
 366               --cachedir=*)
 367                       CACHE_DIR=`parse_opt "$*"`
 368                       print_info 2 "CACHE_DIR: $CACHE_DIR"
 369               ;;
 370               --minkernpackage=*)
 371                       CMD_MINKERNPACKAGE=`parse_opt "$*"`
 372                       print_info 2 "MINKERNPACKAGE: $CMD_MINKERNPACKAGE"
 373               ;;
 374               --modulespackage=*)
 375                       CMD_MODULESPACKAGE=`parse_opt "$*"`
 376                       print_info 2 "MODULESPACKAGE: $CMD_MODULESPACKAGE"
 377               ;;
 378               --kerncache=*)
 379                       CMD_KERNCACHE=`parse_opt "$*"`
 380                       print_info 2 "KERNCACHE: $CMD_KERNCACHE"
 381               ;;
 382               --kernname=*)
 383                       CMD_KERNNAME=`parse_opt "$*"`
 384                       print_info 2 "KERNNAME: $CMD_KERNNAME"
 385               ;;
 386               --no-kernel-sources)
 387                       CMD_NO_KERNEL_SOURCES=1
 388                       print_info 2 "CMD_NO_KERNEL_SOURCES: $CMD_NO_KERNEL_SOURCES"
 389               ;;
 390               --initramfs-overlay=*)
 391                       CMD_INITRAMFS_OVERLAY=`parse_opt "$*"`
 392                       print_info 2 "CMD_INITRAMFS_OVERLAY: $CMD_INITRAMFS_OVERLAY"
 393               ;;
 394               --linuxrc=*)
 395                         CMD_LINUXRC=`parse_opt "$*"`
 396                         print_info 2 "CMD_LINUXRC: $CMD_LINUXRC"
 397               ;;
 398               --genzimage)
 399                         GENERATE_Z_IMAGE=1
 400                         print_info 2 "GENERATE_Z_IMAGE: $GENERATE_Z_IMAGE"
 401               ;;
 402               all)
 403                       BUILD_KERNEL=1
 404                       BUILD_MODULES=1
 405                       BUILD_INITRD=1
 406               ;;
 407               initrd)
 408                       BUILD_INITRD=1
 409               ;;
 410               kernel)
 411                       BUILD_KERNEL=1
 412                       BUILD_MODULES=1
 413                       BUILD_INITRD=0
 414               ;;
 415               bzImage)
 416                       BUILD_KERNEL=1
 417                       BUILD_MODULES=0
 418                       BUILD_INITRD=1
 419                       CMD_NOINITRDMODULES=1
 420                       print_info 2 "CMD_NOINITRDMODULES: $CMD_NOINITRDMODULES"
 421               ;;
 422               --help)
 423                       longusage
 424                       exit 1
 425               ;;
 426               --version)
 427                       echo "${GK_V}"
 428                       exit 0
 429               ;;
 430               *)
 431                       echo "Error: Unknown option '$*'!"
 432                       exit 1
 433               ;;
 434         esac
 435 }