7b5550a3fc
Memtest86+ doesn't support EFI, so unfree Memtest86 is used when EFI support is enabled (systemd-boot currently also uses Memtest86 when memtest is enabled).
117 lines
3.1 KiB
Nix
117 lines
3.1 KiB
Nix
# This module adds Memtest86+/Memtest86 to the GRUB boot menu.
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{ config, lib, pkgs, ... }:
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with lib;
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let
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memtest86 = pkgs.memtest86plus;
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efiSupport = config.boot.loader.grub.efiSupport;
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cfg = config.boot.loader.grub.memtest86;
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in
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{
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options = {
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boot.loader.grub.memtest86 = {
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enable = mkOption {
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default = false;
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type = types.bool;
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description = ''
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Make Memtest86+ (or MemTest86 if EFI support is enabled),
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a memory testing program, available from the
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GRUB boot menu. MemTest86 is an unfree program, so
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this requires <literal>allowUnfree</literal> to be set to
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<literal>true</literal>.
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'';
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};
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params = mkOption {
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default = [];
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example = [ "console=ttyS0,115200" ];
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type = types.listOf types.str;
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description = ''
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Parameters added to the Memtest86+ command line. As of memtest86+ 5.01
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the following list of (apparently undocumented) parameters are
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accepted:
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<itemizedlist>
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<listitem>
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<para><literal>console=...</literal>, set up a serial console.
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Examples:
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<literal>console=ttyS0</literal>,
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<literal>console=ttyS0,9600</literal> or
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<literal>console=ttyS0,115200n8</literal>.</para>
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</listitem>
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<listitem>
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<para><literal>btrace</literal>, enable boot trace.</para>
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</listitem>
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<listitem>
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<para><literal>maxcpus=N</literal>, limit number of CPUs.</para>
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</listitem>
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<listitem>
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<para><literal>onepass</literal>, run one pass and exit if there
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are no errors.</para>
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</listitem>
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<listitem>
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<para><literal>tstlist=...</literal>, list of tests to run.
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Example: <literal>0,1,2</literal>.</para>
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</listitem>
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<listitem>
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<para><literal>cpumask=...</literal>, set a CPU mask, to select CPUs
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to use for testing.</para>
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</listitem>
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</itemizedlist>
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This list of command line options was obtained by reading the
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Memtest86+ source code.
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'';
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};
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};
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};
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config = mkMerge [
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(mkIf (cfg.enable && efiSupport) {
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assertions = [
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{
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assertion = cfg.params == [];
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message = "Parameters are not available for MemTest86";
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}
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];
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boot.loader.grub.extraFiles = {
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"memtest86.efi" = "${pkgs.memtest86-efi}/BOOTX64.efi";
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};
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boot.loader.grub.extraEntries = ''
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menuentry "Memtest86" {
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chainloader /memtest86.efi
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}
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'';
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})
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(mkIf (cfg.enable && !efiSupport) {
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boot.loader.grub.extraEntries =
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if config.boot.loader.grub.version == 2 then
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''
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menuentry "Memtest86+" {
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linux16 @bootRoot@/memtest.bin ${toString cfg.params}
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}
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''
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else
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throw "Memtest86+ is not supported with GRUB 1.";
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boot.loader.grub.extraFiles."memtest.bin" = "${memtest86}/memtest.bin";
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})
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];
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}
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