58 lines
1.5 KiB
Nix
58 lines
1.5 KiB
Nix
{ stdenv, fetchurl, fetchpatch, kernel }:
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let
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baseName = "bbswitch";
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version = "0.8";
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name = "${baseName}-${version}-${kernel.version}";
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in
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stdenv.mkDerivation {
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inherit name;
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src = fetchurl {
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url = "https://github.com/Bumblebee-Project/${baseName}/archive/v${version}.tar.gz";
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sha256 = "0xql1nv8dafnrcg54f3jsi3ny3cd2ca9iv73pxpgxd2gfczvvjkn";
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};
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patches = [ (fetchpatch {
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url = "https://github.com/Bumblebee-Project/bbswitch/pull/102.patch";
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sha256 = "1lbr6pyyby4k9rn2ry5qc38kc738d0442jhhq57vmdjb6hxjya7m";
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}) ];
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nativeBuildInputs = kernel.moduleBuildDependencies;
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hardeningDisable = [ "pic" ];
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preBuild = ''
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substituteInPlace Makefile \
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--replace "\$(shell uname -r)" "${kernel.modDirVersion}" \
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--replace "/lib/modules" "${kernel.dev}/lib/modules"
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'';
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installPhase = ''
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mkdir -p $out/lib/modules/${kernel.modDirVersion}/misc
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cp bbswitch.ko $out/lib/modules/${kernel.modDirVersion}/misc
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mkdir -p $out/bin
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tee $out/bin/discrete_vga_poweroff << EOF
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#!/bin/sh
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echo -n OFF > /proc/acpi/bbswitch
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EOF
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tee $out/bin/discrete_vga_poweron << EOF
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#!/bin/sh
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echo -n ON > /proc/acpi/bbswitch
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EOF
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chmod +x $out/bin/discrete_vga_poweroff $out/bin/discrete_vga_poweron
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'';
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meta = with stdenv.lib; {
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description = "A module for powering off hybrid GPUs";
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platforms = platforms.linux;
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homepage = https://github.com/Bumblebee-Project/bbswitch;
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maintainers = with maintainers; [ abbradar ];
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};
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}
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