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flake.nix
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flake.nix
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{
description = "A minimal NixOS configuration for the RK3588/RK3588S based SBCs";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05-small";
# GPU drivers
# mesa-panfork = {
# url = "gitlab:panfork/mesa/csf";
# flake = false;
# };
};
outputs = inputs @ {
self,
nixpkgs,
...
}: let
pkgsKernel = import nixpkgs {
system = "x86_64-linux";
crossSystem = {
config = "aarch64-unknown-linux-gnu";
};
overlays = [
(self: super: {
linuxPackages_rockchip = super.linuxPackagesFor (super.callPackage ./pkgs/kernel/legacy.nix {});
})
];
};
in {
nixosConfigurations = {
# Orange Pi 5 SBC
orangepi5 = import "${nixpkgs}/nixos/lib/eval-config.nix" rec {
system = "x86_64-linux";
specialArgs = inputs;
modules = [
{
networking.hostName = "orangepi5";
nixpkgs.crossSystem = {
config = "aarch64-unknown-linux-gnu";
};
}
./modules/boards/orangepi5.nix
./modules/user-group.nix
];
};
# Orange Pi 5 Plus SBC
# TODO not complete yet
orangepi5plus = import "${nixpkgs}/nixos/lib/eval-config.nix" rec {
system = "x86_64-linux";
specialArgs = inputs;
modules = [
{
networking.hostName = "orangepi5plus";
nixpkgs.crossSystem = {
config = "aarch64-unknown-linux-gnu";
};
}
./modules/boards/orangepi5plus.nix
./modules/user-group.nix
];
};
# Rock 5 Model A SBC
# TODO not complete yet
rock5a = import "${nixpkgs}/nixos/lib/eval-config.nix" rec {
system = "x86_64-linux";
specialArgs = inputs;
modules = [
{
networking.hostName = "rock5a";
nixpkgs.crossSystem = {
config = "aarch64-unknown-linux-gnu";
};
}
./modules/boards/rock5a.nix
./modules/user-group.nix
];
};
};
packages.x86_64-linux = {
# sdImage
sdImage-opi5 = self.nixosConfigurations.orangepi5.config.system.build.sdImage;
sdImage-opi5plus = self.nixosConfigurations.orangepi5plus.config.system.build.sdImage;
sdImage-rock5a = self.nixosConfigurations.rock5a.config.system.build.sdImage;
# the custom kernel for debugging
# use `nix develop` to enter the environment with the custom kernel build environment available.
# and then use `unpackPhase` to unpack the kernel source code and cd into it.
# then you can use `make menuconfig` to configure the kernel.
#
# problem
# - using `make menuconfig` - Unable to find the ncurses package.
# Solution
# - unpackPhase, and the use `nix develop .#fhsEnv` to enter the fhs test environment.
# - Then use `make menuconfig` to configure the kernel.
kernel = pkgsKernel.linuxPackages_rockchip.kernel.dev;
};
# use `nix develop .#fhsEnv` to enter the fhs test environment defined here.
# for kernel debugging
devShells.x86_64-linux.fhsEnv = let
pkgs = import nixpkgs {
system = "x86_64-linux";
};
in
# the code here is mainly copied from:
# https://nixos.wiki/wiki/Linux_kernel#Embedded_Linux_Cross-compile_xconfig_and_menuconfig
(pkgs.buildFHSUserEnv {
name = "kernel-build-env";
targetPkgs = pkgs_: (with pkgs_;
[
# we need theses packages to make `make menuconfig` work.
pkgconfig
ncurses
# custom kernel
pkgsKernel.linuxPackages_rockchip.kernel
# arm64 cross-compilation toolchain
pkgsKernel.gccStdenv.cc
# native gcc
gcc
]
++ pkgs.linux.nativeBuildInputs);
runScript = pkgs.writeScript "init.sh" ''
# set the cross-compilation environment variables.
export CROSS_COMPILE=aarch64-unknown-linux-gnu-
export ARCH=arm64
export PKG_CONFIG_PATH="${pkgs.ncurses.dev}/lib/pkgconfig:"
exec bash
'';
})
.env;
};
}