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dchvs 2021-02-12 00:03:01 +00:00
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Installation.md

@ -8,9 +8,17 @@ From this directory you might call the targets ```tegra_defconfig, dtbs, Image,
The Make targets gets sourced from the ```source/``` directory on the Jetpack workspace root, which is where this project Kernel sources are installed.
* The ```-C``` flag for the make allows to change the directory where the Kernel source is.
* The ```-O``` stands for the output of the build process files.
* CROSS_COMPILE=${CROSS_COMPILE}, passes the C cross compiler. The recomended for this CTI release is ```/opt/gcc-linaro-7.3.1/gcc-linaro-7.3.1-2018.05-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-```.
* CROSS_COMPILE=${CROSS_COMPILE}, passes the C cross compiler. The recomended for this CTI release it's ```/opt/gcc-linaro-7.3.1/gcc-linaro-7.3.1-2018.05-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-```.
* The ```-jN```is the flag for the parallel jobs to build with. You can find it out at your host with the command `nproc`.
1. Download the Toolchain for crosscompiling
```bash
wget http://releases.linaro.org/components/toolchain/binaries/7.3-2018.05/aarch64-linux-gnu/gcc-linaro-7.3.1-2018.05-x86_64_aarch64-linux-gnu.tar.xz
tar xf gcc-linaro-7.3.1-2018.05-x86_64_aarch64-linux-gnu.tar.xz -C /opt/gcc-linaro-7.3.1/
echo "export CROSS_COMPILE=/opt/gcc-linaro-7.3.1/gcc-linaro-7.3.1-2018.05-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-" >> ~/.bashrc
```
```bash
mkdir build modules
make -C ../../source/kernel/kernel-4.9/ ARCH=arm64 O=$PWD/build/ tegra_defconfig