微電腦 - King Jim Pomera DM250 - Debian - Build Kernel

參考資訊：
https://www.ekesete.net/log/?p=9504
https://haruka.cafe/posts/it/p000157/
https://github.com/ichinomoto/dm200_tools
https://qiita.com/alt-core/items/0467dca2f4b50d3e3003

步驟如下：

$ cd
$ wget https://github.com/steward-fu/website/releases/download/ldd/arm_gcc-4.9.tar.gz
$ tar xvf arm_gcc-4.9.tar.gz
$ sudo mv gcc-4.9 /opt
$ export PATH=/opt/gcc-4.9/bin/:$PATH

$ git clone https://github.com/ichinomoto/dm200_debian_kernel
$ cd dm200_debian_kernel
$ git checkout dm250_dev
$ ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- make dm250_defconfig
$ ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- make zImage -j4
    multiple definition of `yylloc'; scripts/dtc/dtc-lexer.lex.o:(.bss+0x0)

$ vim scripts/dtc/dtc-lexer.lex.c +640
    extern YYLTYPE yylloc;

$ ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- make zImage -j4
$ ./mkkrnlimg arch/arm/boot/zImage kernel.img