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 "        --gensplash             Install gensplash support into bzImage"
  34   echo "        --no-gensplash          Do not use gensplash"
  35   echo "        --install               Install the kernel after building"
  36   echo "        --no-install            Do not install the kernel after building"
  37   echo "        --symlink               Manage symlinks in /boot for installed images"
  38   echo "        --no-symlink            Do not manage symlinks"
  39   echo "        --no-initrdmodules      Don't copy any modules to the initrd"
  40   echo "        --callback=<...>        Run the specified arguments after the"
  41   echo "                                kernel and modules have been compiled"
  42   echo "        --static                Build a static (monolithic kernel)."
  43   echo "        --initramfs             Builds initramfs before kernel and embeds it"
  44   echo "                                into the kernel."
  45   echo "  Kernel settings"
  46   echo "        --kerneldir=<dir>       Location of the kernel sources"
  47   echo "        --kernel-config=<file>  Kernel configuration file to use for compilation"
  48   echo "        --module-prefix=<dir>   Prefix to kernel module destination, modules"
  49   echo "                                will be installed in <prefix>/lib/modules"
  50   echo "  Low-Level Compile settings"
  51   echo "        --kernel-cc=<compiler>  Compiler to use for kernel (e.g. distcc)"
  52   echo "        --kernel-as=<assembler> Assembler to use for kernel"
  53   echo "        --kernel-ld=<linker>    Linker to use for kernel"
  54   echo "        --kernel-cross-compile=<cross var> CROSS_COMPILE kernel variable"
  55   echo "        --kernel-make=<makeprg> GNU Make to use for kernel"
  56   echo "        --utils-cc=<compiler>   Compiler to use for utilities"
  57   echo "        --utils-as=<assembler>  Assembler to use for utils"
  58   echo "        --utils-ld=<linker>     Linker to use for utils"
  59   echo "        --utils-make=<makeprog> GNU Make to use for utils"
  60   echo "        --utils-cross-compile=<cross var> CROSS_COMPILE utils variable"
  61   echo "        --utils-arch=<arch>     Force to arch for utils only instead of"
  62   echo "                                autodetect."
  63   echo "        --makeopts=<makeopts>   Make options such as -j2, etc..."
  64   echo "        --mountboot             Mount BOOTDIR automatically if mountable"
  65   echo "        --no-mountboot          Don't mount BOOTDIR automatically"
  66   echo "        --bootdir=<dir>         Set the location of the boot-directory, default is /boot"
  67   echo "  Initialization"
  68   echo "        --gensplash=<theme>     Force gensplash using <theme>"
  69   echo "        --gensplash-res=<res>   Select gensplash resolutions"
  70   echo "        --do-keymap-auto        Forces keymap selection at boot"
  71   echo "        --evms                  Include EVMS2 support"
  72   echo "                                --> 'emerge evms' in the host operating system"
  73   echo "                                first"
  74   echo "        --evms2                 Include EVMS2 support"
  75   echo "                                --> 'emerge evms' in the host operating system"
  76   echo "                                first"
  77   echo "        --lvm                   Include LVM2 support"
  78   echo "        --lvm2                  Include LVM2 support"
  79   echo "        --dmraid                Include DMRAID support"
  80   echo "        --slowusb               Enables extra pauses for slow USB CD boots"
  81   echo "        --bootloader=grub       Add new kernel to GRUB configuration"
  82   echo "        --linuxrc=<file>        Specifies a user created linuxrc"
  83   echo "        --disklabel             Include disk label and uuid support in your"
  84   echo "                                initrd"
  85   echo "        --luks                  Include LUKS support"
  86   echo "                                --> 'emerge cryptsetup-luks' with USE=-dynamic"
  87   echo "  Internals"
  88   echo "        --arch-override=<arch>  Force to arch instead of autodetect"
  89   echo "        --cachedir=<dir>        Override the default cache location"
  90   echo "        --tempdir=<dir>         Location of Genkernel's temporary directory"
  91   echo "        --postclear             Clear all tmp files and caches after genkernel has run"
  92   echo "  Output Settings"
  93   echo "        --kernname=<...>        Tag the kernel and initrd with a name:"
  94   echo "                                If not defined the option defaults to"
  95   echo "                                'genkernel'"
  96   echo "        --minkernpackage=<tbz2> File to output a .tar.bz2'd kernel and initrd:"
  97   echo "                                No modules outside of the initrd will be"
  98   echo "                                included..."
  99   echo "        --modulespackage=<tbz2> File to output a .tar.bz2'd modules after the"
 100   echo "                                callbacks have run"
 101   echo "        --kerncache=<tbz2>      File to output a .tar.bz2'd kernel contents"
 102   echo "                                of /lib/modules/ and the kernel config"
 103   echo "                                NOTE: This is created before the callbacks"
 104   echo "                                are run!"
 105   echo "        --no-kernel-sources     This option is only valid if kerncache is"
 106   echo "                                defined. If there is a valid kerncache no checks"
 107   echo "                                will be made against a kernel source tree"
 108   echo "        --initramfs-overlay=<dir>"
 109   echo "                                Directory structure to include in the initramfs,"
 110   echo "                                only available on 2.6 kernels"
 111 }
 112
 113 usage() {
 114   echo "Gentoo Linux Genkernel ${GK_V}"
 115   echo "Usage: "
 116   echo "        genkernel [options] all"
 117   echo
 118   echo 'Some useful options:'
 119   echo '        --menuconfig            Run menuconfig after oldconfig'
 120   echo '        --no-clean              Do not run make clean before compilation'
 121   echo '        --no-mrproper           Do not run make mrproper before compilation,'
 122   echo '                                this is implied by --no-clean.'
 123   echo
 124   echo 'For a detailed list of supported options and flags; issue:'
 125   echo '        genkernel --help'
 126 }
 127
 128 parse_opt() {
 129         case "$1" in
 130                 *\=*)
 131                         echo "$1" | cut -f2- -d=
 132                 ;;
 133         esac
 134 }
 135
 136 parse_cmdline() {
 137         case "$*" in
 138               --kernel-cc=*)
 139                       CMD_KERNEL_CC=`parse_opt "$*"`
 140                       print_info 2 "CMD_KERNEL_CC: ${CMD_KERNEL_CC}"
 141               ;;
 142               --kernel-ld=*)
 143                       CMD_KERNEL_LD=`parse_opt "$*"`
 144                       print_info 2 "CMD_KERNEL_LD: ${CMD_KERNEL_LD}"
 145               ;;
 146               --kernel-as=*)
 147                       CMD_KERNEL_AS=`parse_opt "$*"`
 148                       print_info 2 "CMD_KERNEL_AS: ${CMD_KERNEL_AS}"
 149               ;;
 150               --kernel-make=*)
 151                       CMD_KERNEL_MAKE=`parse_opt "$*"`
 152                       print_info 2 "CMD_KERNEL_MAKE: ${CMD_KERNEL_MAKE}"
 153               ;;
 154               --kernel-cross-compile=*)
 155                       CMD_KERNEL_CROSS_COMPILE=`parse_opt "$*"`
 156                       CMD_KERNEL_CROSS_COMPILE=$(echo ${CMD_KERNEL_CROSS_COMPILE}|sed -e 's/.*[^-]$/&-/g')
 157                       print_info 2 "CMD_KERNEL_CROSS_COMPILE: ${CMD_KERNEL_CROSS_COMPILE}"
 158               ;;
 159               --utils-cc=*)
 160                       CMD_UTILS_CC=`parse_opt "$*"`
 161                       print_info 2 "CMD_UTILS_CC: ${CMD_UTILS_CC}"
 162               ;;
 163               --utils-ld=*)
 164                       CMD_UTILS_LD=`parse_opt "$*"`
 165                       print_info 2 "CMD_UTILS_LD: ${CMD_UTILS_LD}"
 166               ;;
 167               --utils-as=*)
 168                       CMD_UTILS_AS=`parse_opt "$*"`
 169                       print_info 2 "CMD_UTILS_AS: ${CMD_UTILS_AS}"
 170               ;;
 171               --utils-make=*)
 172                       CMD_UTILS_MAKE=`parse_opt "$*"`
 173                       print_info 2 "CMD_UTILS_MAKE: ${CMD_UTILS_MAKE}"
 174               ;;
 175               --utils-cross-compile=*)
 176                       CMD_UTILS_CROSS_COMPILE=`parse_opt "$*"`
 177                       CMD_UTILS_CROSS_COMPILE=$(echo ${CMD_UTILS_CROSS_COMPILE}|sed -e 's/.*[^-]$/&-/g')
 178                       print_info 2 "CMD_UTILS_CROSS_COMPILE: ${CMD_UTILS_CROSS_COMPILE}"
 179               ;;
 180               --utils-arch=*)
 181                       CMD_UTILS_ARCH=`parse_opt "$*"`
 182                       print_info 2 "CMD_UTILS_ARCH: ${CMD_ARCHOVERRIDE}"
 183               ;;
 184               --makeopts=*)
 185                       CMD_MAKEOPTS=`parse_opt "$*"`
 186                       print_info 2 "CMD_MAKEOPTS: ${CMD_MAKEOPTS}"
 187               ;;
 188               --mountboot)
 189                       CMD_MOUNTBOOT=1
 190                       print_info 2 "CMD_MOUNTBOOT: ${CMD_MOUNTBOOT}"
 191               ;;
 192               --no-mountboot)
 193                       CMD_MOUNTBOOT=0
 194                       print_info 2 "CMD_MOUNTBOOT: ${CMD_MOUNTBOOT}"
 195               ;;
 196               --bootdir=*)
 197                       BOOTDIR=`parse_opt "$*"`
 198                       print_info 2 "BOOTDIR: ${BOOTDIR}"
 199               ;;
 200               --do-keymap-auto)
 201                       CMD_DOKEYMAPAUTO=1
 202                       print_info 2 "CMD_DOKEYMAPAUTO: ${CMD_DOKEYMAPAUTO}"
 203               ;;
 204               --evms)
 205                       CMD_EVMS=1
 206                       print_info 2 "CMD_EVMS: ${CMD_EVMS}"
 207               ;;
 208               --evms2)
 209                       CMD_EVMS=1
 210                       print_info 2 "CMD_EVMS: ${CMD_EVMS}"
 211               ;;
 212               --unionfs)
 213                       CMD_UNIONFS=1
 214                       print_info 2 "CMD_UNIONFS: ${CMD_UNIONFS}"
 215                       echo
 216                       print_warning 1 "WARNING: unionfs support is in active development and is not meant for general"
 217                           print_warning 1 "use."
 218                       print_warning 1 "Bug Reports without patches/fixes will be ignored."
 219                       print_warning 1 "Use at your own risk as this could blow up your system."
 220                       print_warning 1 "This code is subject to change at any time."
 221                       echo
 222               ;;
 223               --lvm2)
 224                       CMD_LVM2=1
 225                       print_info 2 "CMD_LVM2: ${CMD_LVM2}"
 226               ;;
 227               --no-busybox)
 228                       CMD_NO_BUSYBOX=1
 229                       print_info 2 "CMD_NO_BUSYBOX: ${CMD_NO_BUSYBOX}"
 230               ;;
 231               --slowusb)
 232                       CMD_SLOWUSB=1
 233                       print_info 2 "CMD_SLOWUSB: ${CMD_SLOWUSB}"
 234               ;;
 235               --dmraid)
 236                       if [ ! -e /usr/include/libdevmapper.h ]
 237                       then
 238                         echo 'Error: --dmraid requires device-mapper to be installed'
 239                         echo '       on the host system; try "emerge device-mapper".'
 240                         exit 1
 241                       fi
 242                       CMD_DMRAID=1
 243                       print_info 2 "CMD_DMRAID: ${CMD_DMRAID}"
 244               ;;
 245               --bootloader=*)
 246                       CMD_BOOTLOADER=`parse_opt "$*"`
 247                       print_info 2 "CMD_BOOTLOADER: ${CMD_BOOTLOADER}"
 248               ;;
 249               --debuglevel=*)
 250                       CMD_DEBUGLEVEL=`parse_opt "$*"`
 251                       DEBUGLEVEL="${CMD_DEBUGLEVEL}"
 252                       print_info 2 "CMD_DEBUGLEVEL: ${CMD_DEBUGLEVEL}"
 253               ;;
 254               --menuconfig)
 255                       TERM_LINES=`stty -a | head -n 1 | cut -d\  -f5 | cut -d\; -f1`
 256                       TERM_COLUMNS=`stty -a | head -n 1 | cut -d\  -f7 | cut -d\; -f1`
 257
 258                       if [[ TERM_LINES -lt 19 || TERM_COLUMNS -lt 80 ]]
 259                       then
 260                         echo "Error: You need a terminal with at least 80 columns"
 261                         echo "       and 19 lines for --menuconfig; try --nomenuconfig..."
 262                         exit 1
 263                       fi
 264                       CMD_MENUCONFIG=1
 265                       print_info 2 "CMD_MENUCONFIG: ${CMD_MENUCONFIG}"
 266               ;;
 267               --no-menuconfig)
 268                       CMD_MENUCONFIG=0
 269                       print_info 2 "CMD_MENUCONFIG: ${CMD_MENUCONFIG}"
 270               ;;
 271               --gconfig)
 272                       CMD_GCONFIG=1
 273                       print_info 2 "CMD_GCONFIG: ${CMD_GCONFIG}"
 274               ;;
 275               --xconfig)
 276                       CMD_XCONFIG=1
 277                       print_info 2 "CMD_XCONFIG: ${CMD_XCONFIG}"
 278               ;;
 279               --save-config)
 280                       CMD_SAVE_CONFIG=1
 281                       print_info 2 "CMD_SAVE_CONFIG: ${CMD_SAVE_CONFIG}"
 282               ;;
 283               --no-save-config)
 284                       CMD_SAVE_CONFIG=0
 285                       print_info 2 "CMD_SAVE_CONFIG: ${CMD_SAVE_CONFIG}"
 286               ;;
 287               --mrproper)
 288                       CMD_MRPROPER=1
 289                       print_info 2 "CMD_MRPROPER: ${CMD_MRPROPER}"
 290               ;;
 291               --no-mrproper)
 292                       CMD_MRPROPER=0
 293                       print_info 2 "CMD_MRPROPER: ${CMD_MRPROPER}"
 294               ;;
 295               --clean)
 296                       CMD_CLEAN=1
 297                       print_info 2 "CMD_CLEAN: ${CMD_CLEAN}"
 298               ;;
 299               --no-clean)
 300                       CMD_CLEAN=0
 301                       print_info 2 "CMD_CLEAN: ${CMD_CLEAN}"
 302               ;;
 303               --oldconfig)
 304                       CMD_CLEAN=0
 305                       CMD_OLDCONFIG=1
 306                       print_info 2 "CMD_CLEAN: ${CMD_CLEAN}"
 307                       print_info 2 "CMD_OLDCONFIG: ${CMD_OLDCONFIG}"
 308               ;;
 309               --gensplash=*)
 310                       CMD_GENSPLASH=1
 311                       GENSPLASH_THEME=`parse_opt "$*"`
 312                       print_info 2 "CMD_GENSPLASH: ${CMD_GENSPLASH}"
 313                       print_info 2 "GENSPLASH_THEME: ${GENSPLASH_THEME}"
 314               ;;
 315               --gensplash)
 316                       CMD_GENSPLASH=1
 317                       GENSPLASH_THEME='default'
 318                       print_info 2 "CMD_GENSPLASH: ${CMD_GENSPLASH}"
 319               ;;
 320               --no-gensplash)
 321                       CMD_GENSPLASH=0
 322                       print_info 2 "CMD_GENSPLASH: ${CMD_GENSPLASH}"
 323               ;;
 324               --gensplash-res=*)
 325                       GENSPLASH_RES=`parse_opt "$*"`
 326                       print_info 2 "GENSPLASH_RES: ${GENSPLASH_RES}"
 327               ;;
 328               --install)
 329                       CMD_NOINSTALL=0
 330                       print_info 2 "CMD_NOINSTALL: ${CMD_NOINSTALL}"
 331               ;;
 332               --no-install)
 333                       CMD_NOINSTALL=1
 334                       print_info 2 "CMD_NOINSTALL: ${CMD_NOINSTALL}"
 335               ;;
 336               --no-initrdmodules)
 337                       CMD_NOINITRDMODULES=1
 338                       print_info 2 "CMD_NOINITRDMODULES: ${CMD_NOINITRDMODULES}"
 339               ;;
 340               --callback=*)
 341                       CMD_CALLBACK=`parse_opt "$*"`
 342                       print_info 2 "CMD_CALLBACK: ${CMD_CALLBACK}/$*"
 343               ;;
 344               --static)
 345                       CMD_STATIC=1
 346                       print_info 2 "CMD_STATIC: ${CMD_STATIC}"
 347               ;;
 348               --initramfs)
 349                       CMD_INITRAMFS=1
 350                       print_info 2 "CMD_INITRAMFS: ${CMD_INITRAMFS}"
 351               ;;
 352               --tempdir=*)
 353                       TMPDIR=`parse_opt "$*"`
 354                       TEMP=${TMPDIR}/$RANDOM.$RANDOM.$RANDOM.$$
 355                       print_info 2 "TMPDIR: ${TMPDIR}"
 356                       print_info 2 "TEMP: ${TEMP}"
 357               ;;
 358               --postclear)
 359                       CMD_POSTCLEAR=1
 360                       print_info 2 "CMD_POSTCLEAR: ${CMD_POSTCLEAR}"
 361               ;;
 362               --arch-override=*)
 363                       CMD_ARCHOVERRIDE=`parse_opt "$*"`
 364                       print_info 2 "CMD_ARCHOVERRIDE: ${CMD_ARCHOVERRIDE}"
 365               ;;
 366               --color)
 367                       USECOLOR=1
 368                       print_info 2 "USECOLOR: ${USECOLOR}"
 369                       setColorVars
 370               ;;
 371               --no-color)
 372                       USECOLOR=0
 373                       print_info 2 "USECOLOR: ${USECOLOR}"
 374                       setColorVars
 375               ;;
 376               --debugfile=*)
 377                       CMD_DEBUGFILE=`parse_opt "$*"`
 378                       DEBUGFILE=`parse_opt "$*"`
 379                       print_info 2 "CMD_DEBUGFILE: ${CMD_DEBUGFILE}"
 380                       print_info 2 "DEBUGFILE: ${CMD_DEBUGFILE}"
 381               ;;
 382               --kerneldir=*)
 383                       CMD_KERNELDIR=`parse_opt "$*"`
 384                       print_info 2 "CMD_KERNELDIR: ${CMD_KERNELDIR}"
 385               ;;
 386               --kernel-config=*)
 387                       CMD_KERNEL_CONFIG=`parse_opt "$*"`
 388                       print_info 2 "CMD_KERNEL_CONFIG: ${CMD_KERNEL_CONFIG}"
 389               ;;
 390               --module-prefix=*)
 391                       CMD_INSTALL_MOD_PATH=`parse_opt "$*"`
 392                       print_info 2 "CMD_INSTALL_MOD_PATH: ${CMD_INSTALL_MOD_PATH}"
 393               ;;
 394               --cachedir=*)
 395                       CACHE_DIR=`parse_opt "$*"`
 396                       print_info 2 "CACHE_DIR: ${CACHE_DIR}"
 397               ;;
 398               --minkernpackage=*)
 399                       CMD_MINKERNPACKAGE=`parse_opt "$*"`
 400                       print_info 2 "MINKERNPACKAGE: ${CMD_MINKERNPACKAGE}"
 401               ;;
 402               --modulespackage=*)
 403                       CMD_MODULESPACKAGE=`parse_opt "$*"`
 404                       print_info 2 "MODULESPACKAGE: ${CMD_MODULESPACKAGE}"
 405               ;;
 406               --kerncache=*)
 407                       CMD_KERNCACHE=`parse_opt "$*"`
 408                       print_info 2 "KERNCACHE: ${CMD_KERNCACHE}"
 409               ;;
 410               --kernname=*)
 411                       CMD_KERNNAME=`parse_opt "$*"`
 412                       print_info 2 "KERNNAME: ${CMD_KERNNAME}"
 413               ;;
 414               --symlink)
 415                       CMD_SYMLINK=1
 416                       print_info 2 "CMD_SYMLINK: ${CMD_SYMLINK}"
 417               ;;
 418               --no-symlink)
 419                       CMD_SYMLINK=0
 420                       print_info 2 "CMD_SYMLINK: ${CMD_SYMLINK}"
 421               ;;
 422               --no-kernel-sources)
 423                       CMD_NO_KERNEL_SOURCES=1
 424                       print_info 2 "CMD_NO_KERNEL_SOURCES: ${CMD_NO_KERNEL_SOURCES}"
 425               ;;
 426               --initramfs-overlay=*)
 427                       CMD_INITRAMFS_OVERLAY=`parse_opt "$*"`
 428                       print_info 2 "CMD_INITRAMFS_OVERLAY: ${CMD_INITRAMFS_OVERLAY}"
 429               ;;
 430               --linuxrc=*)
 431                         CMD_LINUXRC=`parse_opt "$*"`
 432                         print_info 2 "CMD_LINUXRC: ${CMD_LINUXRC}"
 433               ;;
 434               --genzimage)
 435                         KERNEL_MAKE_DIRECTIVE_2='zImage.initrd'
 436                         KERNEL_BINARY_2='arch/powerpc/boot/zImage.initrd'
 437                         GENERATE_Z_IMAGE=1
 438                         print_info 2 "GENERATE_Z_IMAGE: ${GENERATE_Z_IMAGE}"
 439               ;;
 440               --disklabel)
 441                       CMD_DISKLABEL=1
 442                       print_info 2 "CMD_DISKLABEL: ${CMD_DISKLABEL}"
 443               ;;
 444               --luks)
 445                       CMD_LUKS=1
 446                       print_info 2 "CMD_LUKS: ${CMD_LUKS}"
 447               ;;
 448               all)
 449                       BUILD_KERNEL=1
 450                       BUILD_MODULES=1
 451                       BUILD_INITRD=1
 452               ;;
 453               initrd)
 454                       BUILD_INITRD=1
 455               ;;
 456               kernel)
 457                       BUILD_KERNEL=1
 458                       BUILD_MODULES=1
 459                       BUILD_INITRD=0
 460               ;;
 461               bzImage)
 462                       BUILD_KERNEL=1
 463                       BUILD_MODULES=0
 464                       BUILD_INITRD=1
 465                       CMD_NOINITRDMODULES=1
 466                       print_info 2 "CMD_NOINITRDMODULES: ${CMD_NOINITRDMODULES}"
 467               ;;
 468               --help)
 469                       longusage
 470                       exit 1
 471               ;;
 472               --version)
 473                       echo "${GK_V}"
 474                       exit 0
 475               ;;
 476               *)
 477                       echo "Error: Unknown option '$*'!"
 478                       exit 1
 479               ;;
 480         esac
 481 }