67 lines
2.2 KiB
Nix
67 lines
2.2 KiB
Nix
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{ lib, stdenvNoCC, runCommand, fetchurl, fetchFromGitHub, ... }:
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let
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src = fetchFromGitHub {
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owner = "ps4boot";
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repo = "ps4-linux";
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rev = "refs/heads/aeolia";
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hash = "sha256-urNDgnoGC76WYvzAlypCJ+w8IIsPcN2kQMzlYF/h+mo=";
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};
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bzImage = fetchurl {
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url = "https://github.com/ps4boot/ps4-linux/releases/download/v1/bzImageAeolia";
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hash = "sha256-0P02KJe8OCuliHjjkJqlPXQBHDuEGLUIp78lWa5hYdw=";
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};
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# parse the configfile into a nix attrset
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# from https://github.com/NixOS/nixpkgs/blob/a253c2d94cbf75cfd0f7eea242d8385214332dda/pkgs/os-specific/linux/kernel/manual-config.nix#L11
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parseConfig = configfile: import (runCommand "config.nix" {} ''
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echo "{" > "$out"
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while IFS='=' read key val; do
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[ "x''${key#CONFIG_}" != "x$key" ] || continue
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no_firstquote="''${val#\"}";
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echo ' "'"$key"'" = "'"''${no_firstquote%\"}"'";' >> "$out"
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done < "${configfile}"
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echo "}" >> $out
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'').outPath;
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# make a hacky wrapper around the bzImage so it's
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# compatible with the nixos module system
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# kernelFn = { ... }:
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# runCommand "kernel-aeolia-prebuilt" {
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# version = "5.3.18";
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# config = parseConfig "${src}/config";
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# } ''
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# mkdir $out
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# cp ${bzImage} $out/bzImage
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# '';
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in
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stdenvNoCC.mkDerivation {
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name = "kernel-aeolia-prebuilt";
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dontUnpack = true;
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installPhase = ''
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mkdir $out
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cp ${bzImage} $out/bzImage
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'';
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passthru = {
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version = "5.3.18";
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# functions for checking config options
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# from https://github.com/NixOS/nixpkgs/blob/a253c2d94cbf75cfd0f7eea242d8385214332dda/pkgs/os-specific/linux/kernel/manual-config.nix#L98
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config = let
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config = parseConfig "${src}/config";
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attrName = attr: "CONFIG_" + attr;
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in rec {
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isSet = attr: builtins.hasAttr (attrName attr) config;
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getValue = attr: if isSet attr then builtins.getAttr (attrName attr) config else null;
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isYes = attr: (getValue attr) == "y";
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isNo = attr: (getValue attr) == "n";
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isModule = attr: (getValue attr) == "m";
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isEnabled = attr: (isModule attr) || (isYes attr);
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isDisabled = attr: (!(isSet attr)) || (isNo attr);
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} // config;
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};
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}
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# lib.makeOverridable kernelFn {}
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