61 lines
1.7 KiB
Nix
61 lines
1.7 KiB
Nix
{
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description = "A flake to build a kernel module";
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
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};
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outputs = { self, nixpkgs }: let
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pkgs = import nixpkgs {
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system = "x86_64-linux";
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};
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in {
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packages.x86_64-linux = {
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default = pkgs.stdenv.mkDerivation rec {
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pname = "redragon_m811_battery";
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version = "0.1";
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kernel = pkgs.linuxPackages_zen.kernel;
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src = ./.;
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hardeningDisable = [ "pic" "format" ]; # 1
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nativeBuildInputs = kernel.moduleBuildDependencies; # 2
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makeFlags = [
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"KERNELRELEASE=${kernel.modDirVersion}" # 3
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"KERNEL_DIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build" # 4
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"INSTALL_MOD_PATH=$(out)" # 5
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];
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configurePhase =
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let makefile = pkgs.writeTextFile { name = ''Makefile''; text = ''
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KERNELRELEASE ?= $(shell uname -r)
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KERNEL_DIR ?= /lib/modules/$(KERNELRELEASE)/build
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PWD := $(shell pwd)
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obj-m += redragon_m811_battery.o
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all:
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${"\t"}$(MAKE) -C $(KERNEL_DIR) M=$(PWD) modules
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install:
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${"\t"}$(MAKE) -C $(KERNEL_DIR) M=$(PWD) modules_install
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clean:
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${"\t"}$(MAKE) -C $(KERNEL_DIR) M=$(PWD) clean
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insmod:
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${"\t"}sudo insmod redragon_m811_battery.ko
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rmmod:
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${"\t"}sudo rmmod redragon_m811_battery.ko
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''; };
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in ''
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cp "${makefile}" Makefile
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'';
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};
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};
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};
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}
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