# introduce

to build kernel easily.

check this project at same level to the "./tmp_kernel_5.15/" will be nice.
source folder and cross-compiler sets in 'package.config'

## package.config

```bash
CROSS_COMPILE=/opt/gcc-arm-10.2-2020.11-x86_64-aarch64-none-linux-gnu/bin/aarch64-none-linux-gnu-
FOLDER_NAME=build_none
CONFIG_NAME=std_config
CORES=8
SRC=../tmp_kernel_5.15/

RAM_ROOTFS=rootfs.tar.gz
```

# command

- Makefile : Eeasily command shortcut.
  - make: build new kernel and uimage, dts
  - make c: build new kernel only
  - make menu: open menuconfig
  - make ubonly: use previous built kernel, and build new dts, uimage
  - make deb: build new deb format kernel
  - make ram: build new kernel, dts, uimage and initrd.img

- build_kernel.sh : build kernel
  - build_kernel.sh c: compile only
  - build_kernel.sh debs: make debs packages
  - build_kernel.sh menu: open menuconfig
  - build_kernel.sh: just likke 'make targz-pkg'

- build.sh : build boot.img
  - build.sh：build a kernel-only img file;  
  - build.sh 1： build a ramdisk img file; 
  - build.sh 1 1：build a ramdisk img file with modules update

- copy.sh : copy all img file to /tftpboot/

- package.config : config how to pack your image