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Building Kernel

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Philip Trauner edited this page Apr 16, 2017 · 2 revisions

Recommended OS: Ubuntu 17.04 (I don't want to use Ubuntu either, cross-compiling is just simpler)

Build machine

  • Download this repo
  • apt-get install gcc-arm-linux-gnueabi g++-arm-linux-gnueabi
  • make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- oldconfig
    • Use the default answer if questions come up
  • make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- modules_prepare
  • make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- zImage modules -j 8
  • Mount Wallaby SD card
  • Override zImage (/boot/zImage on data partition) with the one in /arch/arm/boot, ignore .dtb's
  • INSTALL_MOD_PATH=../modules make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- modules_install
  • Replace build folder in ../modules/lib/modules/3.18.21-custom/ with the whole kernel source
  • Symlink source to build with relative path

Wallaby

  • cd /lib/modules/3.18.21-custom/build && make scripts on Wallaby if you want to compile kernel modules

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