pyrox.dev
1{
2 config,
3 lib,
4 pkgs,
5 ...
6}:
7
8let
9 cfg = config.hardware.cpu.amd;
10in
11{
12 ###### interface
13 options = {
14
15 hardware.cpu.amd.updateMicrocode = lib.mkOption {
16 default = false;
17 type = lib.types.bool;
18 description = ''
19 Update the CPU microcode for AMD processors.
20 '';
21 };
22
23 hardware.cpu.amd.microcodePackage = lib.mkPackageOption pkgs "microcode-amd" { };
24 };
25
26 ###### implementation
27 config = lib.mkIf config.hardware.cpu.amd.updateMicrocode {
28 # Microcode updates must be the first item prepended in the initrd
29 boot.initrd.prepend = lib.mkOrder 1 [ "${cfg.microcodePackage}/amd-ucode.img" ];
30 };
31
32}