Transclusion: CL-SOM-iMX7: U-Boot: Building Secure Images: Build

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Git clone

  • Install git version control system.
  • Create a clone of U-Boot tree
cd /home/development/cl-som-imx7/u-boot
git clone https://github.com/compulab/u-boot.git u-boot-cl-som-imx7-hab
cd /home/development/cl-som-imx7/u-boot/u-boot-cl-som-imx7-hab
  • Create a branch for HAB development. It is recommended to use exactly the same baseline to avoid merge conflicts.
git checkout -b cl-som-imx7-hab v2018.11-cl-som-imx7-hab

Building the secure firmware images

  • First, compile U-Boot. The following commands create the binaries u-boot-ivt.img and SPL (along with other image types):
export ARCH=arm
export CROSS_COMPILE=arm-none-linux-eabi-
make mrproper
make cl-som-imx7_defconfig && make
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