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mobile-nixos/doc/porting-guide.adoc
2020-03-27 16:36:15 -04:00

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= Device Porting Guide
include::_support/common.inc[]
NOTE: This subject needs to be expanded upon.
In a nutshell, the basic steps are:
* Preparing the device for development use (unlocking the bootloader).
* Finding appropriate the sources (mainly the kernel).
* Writing the expressions to build said sources.
== Kernel configuration
The kernel can be configured using the following command, where `$DEVICE` is
the device name.
```
$ bin/menuconfig $DEVICE
```
When importing a configuration from another source, manually editing the kernel
configuration, or updating the kernel version, it is recommended to run the
kernel configuration normalization too.
```
$ bin/kernel-normalize-config $DEVICE
```
Be mindful of your `$NIX_PATH` when running these tools. Ensure it points to
the Nixpkgs checkout you use to work on Mobile NixOS or else it may build the
toolchain fresh.