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document differences with official gokrazy kernel

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oliverpool 2022-03-26 11:57:43 +01:00
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README.md
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@ -11,13 +11,22 @@ GOARCH=arm gokr-packer \
github.com/gokrazy/hello
```
## How does it differ from https://github.com/gokrazy/kernel ?
| | gokrazy-community/kernel-rpi-os-32 | gokrazy/kernel |
| ------------ | ---------------------------------- | -------------- |
| architecture | ARMv6 32-bit | ARMv8 64-bit |
| upstream | linux Raspberry Pi OS fork | linux mainline |
This kernel can be used by the oldest Raspberry Pi and follows the release cycles of the Raspeberry Pi foundation.
## Manual compilation
```
go run cmd/compile/main.go
```
It will compile the kernel located in `linux-sources` and copy the resulting files in the `dist` folder.
It will compile the kernel located in `linux-sources` using a [crossbuild docker image](https://github.com/gokrazy-community/crossbuild-armhf) and copy the resulting files in the `dist` folder.
It uses default kernel config (`make bcmrpi_defconfig`), as recommended by the [official documentation](https://www.raspberrypi.com/documentation/computers/linux_kernel.html#cross-compiling-the-kernel), with the addition of the SquashFS module (`CONFIG_SQUASHFS`, which is required for gokrazy).