 bccac381b2
			
		
	
	
		bccac381b2
		
			
		
	
	
	
	
		
			
			Prevents crashing the kernel on boot if other blobs are prepended before the microkernel update image. Fixes #22674.
		
			
				
	
	
		
			30 lines
		
	
	
		
			517 B
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			30 lines
		
	
	
		
			517 B
		
	
	
	
		
			Nix
		
	
	
	
	
	
| { config, lib, pkgs, ... }:
 | |
| 
 | |
| with lib;
 | |
| 
 | |
| {
 | |
| 
 | |
|   ###### interface
 | |
| 
 | |
|   options = {
 | |
| 
 | |
|     hardware.cpu.amd.updateMicrocode = mkOption {
 | |
|       default = false;
 | |
|       type = types.bool;
 | |
|       description = ''
 | |
|         Update the CPU microcode for AMD processors.
 | |
|       '';
 | |
|     };
 | |
| 
 | |
|   };
 | |
| 
 | |
| 
 | |
|   ###### implementation
 | |
| 
 | |
|   config = mkIf config.hardware.cpu.amd.updateMicrocode {
 | |
|     # Microcode updates must be the first item prepended in the initrd
 | |
|     boot.initrd.prepend = mkOrder 1 [ "${pkgs.microcodeAmd}/amd-ucode.img" ];
 | |
|   };
 | |
| 
 | |
| }
 |