Standalone build uboot & kernel.pdf
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2020-02-15
18:38:05
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Standalone build uboot/kernel w/wo Yocto
Use your Yocto build environment
A) Assume you have already successfully build a Yocto image, for example, the following is my build
directory:
/home/isaac/Yocto/L3.14.38_xxx/L3.14.38-6UL_ga/fsl-release-
bsp/build-fb
B) Standalone compile the uboot:
$ cd ~
$ cp -r /home/isaac/Yocto/L3.14.38_xxx/L3.14.38-6UL_ga/fsl-release-
bsp/build-fb/tmp/work/imx6ulevk-poky-linux-gnueabi/u-boot-
imx/2015.04-r0/git u-boot-imx
$ cd u-boot-imx
$ export ARCH=arm
$ export CROSS_COMPILE=/home/isaac/Yocto/L3.14.38_xxx/L3.14.38-
6UL_ga/fsl-release-bsp/build-fb/tmp/sysroots/x86_64-
linux/usr/bin/arm-poky-linux-gnueabi/arm-poky-linux-gnueabi-
$ export CC="/home/isaac/Yocto/L3.14.38_xxx/L3.14.38-6UL_ga/fsl-
release-bsp/build-fb/tmp/sysroots/x86_64-linux/usr/bin/arm-poky-
linux-gnueabi/arm-poky-linux-gnueabi-gcc --
sysroot=/home/isaac/Yocto/L3.14.38_xxx/L3.14.38-6UL_ga/fsl-release-
bsp/build-fb/tmp/sysroots/imx6ulevk"
$ make distclean
$ make clean
$ make mx6ul_14x14_evk_config
$ make CC="$CC" u-boot.imx
C) Standalone compile the kernel:
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