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-rw-r--r--infra/corenix/modules/grub2/default.nix123
-rw-r--r--infra/corenix/modules/grub2/files/background.pngbin0 -> 390630 bytes
-rw-r--r--infra/corenix/modules/grub2/files/grub-scan.cfg30
-rw-r--r--infra/corenix/modules/grub2/files/grub.cfg46
4 files changed, 199 insertions, 0 deletions
diff --git a/infra/corenix/modules/grub2/default.nix b/infra/corenix/modules/grub2/default.nix
new file mode 100644
index 000000000000..39fa13f73026
--- /dev/null
+++ b/infra/corenix/modules/grub2/default.nix
@@ -0,0 +1,123 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+ cfg = config.grub2;
+ payloadName =
+ if cfg.asSecondaryPayload then "img/grub2" else "fallback/payload";
+
+ configText = (readFile ./files/grub.cfg) + cfg.extraConfig
+ + (optionalString (cfg.scanDevices) (readFile ./files/grub-scan.cfg))
+ + (optionalString (cfg.users != { }) ((concatStringsSep "\n" (mapAttrsToList
+ (n: u: ''
+ ${
+ if u.passwordIsHashed then "password_pbkdf2" else "password"
+ } ${n} ${u.password}
+ '') cfg.users)) + ''
+ set superusers="${
+ concatStringsSep " "
+ (attrNames (filterAttrs (n: u: u.superuser) cfg.users))
+ }"
+ export superusers
+ '')) + (optionalString cfg.generateSecondaryPayloadEntries
+ (concatMapStrings (n: ''
+ menuentry '${removePrefix "img/" n}' {
+ chainloader (cbfsdisk)/${n}
+ }
+ '') (filter (hasPrefix "img/") (attrNames config.corenix.extraFiles))));
+
+ userOpts = { ... }: {
+ options = {
+ superuser = mkOption {
+ type = types.bool;
+ default = true;
+ };
+ password = mkOption { type = types.str; };
+ passwordIsHashed = mkOption {
+ type = types.bool;
+ default = true;
+ };
+ };
+ };
+in {
+ options.grub2 = {
+ enable = mkEnableOption "grub2 coreboot primary payload";
+
+ asSecondaryPayload = mkOption {
+ type = types.bool;
+ default = false;
+ };
+
+ generateSecondaryPayloadEntries = mkOption {
+ type = types.bool;
+ default = true;
+ };
+
+ scanDevices = mkOption {
+ type = types.bool;
+ default = true;
+ description = ''
+ Scan internal and external storage devices for GRUB2/syslinux/isolinux/NetBSD
+ configs and at runtime and create boot entries for each of them.
+ '';
+ };
+
+ extraConfig = mkOption {
+ type = types.lines;
+ default = "";
+ };
+
+ configFile = mkOption { type = types.path; };
+
+ users = mkOption {
+ type = types.attrsOf (types.submodule userOpts);
+ default = { };
+ };
+
+ font = mkOption {
+ type = types.path;
+ default = "${pkgs.unifont}/share/fonts/truetype/unifont.ttf";
+ example = "${pkgs.dejavu_fonts}/share/fonts/truetype/DejaVuSansMono.ttf";
+ };
+
+ package = mkOption {
+ type = types.package;
+ default = pkgs.coreboot-payload-grub2;
+ };
+
+ extraPayloadModules = mkOption {
+ type = types.listOf types.str;
+ default = [ ];
+ };
+ };
+
+ config = mkIf cfg.enable {
+ grub2.configFile = pkgs.writeText "grub.cfg" configText;
+ grub2.extraPayloadModules = [
+ "png"
+ "gfxmenu"
+ "gfxterm_background"
+ "ls"
+ "cat"
+ "echo"
+ "linux"
+ "xfs"
+ "bsd"
+ ];
+
+ corenix.extraFiles = {
+ ${payloadName} = {
+ type = "payload";
+ src = "${
+ cfg.package.override { inherit (cfg) extraPayloadModules; }
+ }/default_payload.elf";
+ };
+ "font.pf2".src =
+ (pkgs.runCommand "font.pf2" { buildInputs = with pkgs; [ grub2 ]; }
+ "grub-mkfont --range=0x20-0x7E,0x2501-0x251F,0x2191-0x2193 --size=14 -o $out ${cfg.font}");
+ "etc/grub.cfg".src = cfg.configFile;
+ "background.png".src = ./files/background.png;
+ };
+ };
+}
diff --git a/infra/corenix/modules/grub2/files/background.png b/infra/corenix/modules/grub2/files/background.png
new file mode 100644
index 000000000000..29275058f283
--- /dev/null
+++ b/infra/corenix/modules/grub2/files/background.png
Binary files differ
diff --git a/infra/corenix/modules/grub2/files/grub-scan.cfg b/infra/corenix/modules/grub2/files/grub-scan.cfg
new file mode 100644
index 000000000000..5aced43ebc3b
--- /dev/null
+++ b/infra/corenix/modules/grub2/files/grub-scan.cfg
@@ -0,0 +1,30 @@
+for x in (ahci*,*) (usb*,*) ; do
+ if [ -f "${x}/netbsd" ] ; then
+ menuentry "Load NetBSD from $x" $x {
+ root=$2
+ knetbsd /netbsd
+ }
+ fi
+ for path in '' /grub /grub2 /boot /boot/grub /boot/grub2 /efi/boot; do
+ if [ -f "${x}${path}/grub.cfg" ] ; then
+ menuentry "Load config from ${x}" $x $path {
+ root=$2
+ configfile "/${3}/grub.cfg"
+ }
+ fi
+ done
+ for path in '' /boot; do
+ if [ -f "${x}${path}/syslinux/syslinux.cfg" ] ; then
+ menuentry "Load syslinux config from ${x}" $x $path {
+ root=$2
+ syslinux_configfile -s "${3}/syslinux/syslinux.cfg"
+ }
+ fi
+ if [ -f "${x}${path}/isolinux/isolinux.cfg" ] ; then
+ menuentry "Load isolinux config from ${x}" $x $path {
+ root=$2
+ syslinux_configfile -i "${3}/isolinux/isolinux.cfg"
+ }
+ fi
+ done
+done
diff --git a/infra/corenix/modules/grub2/files/grub.cfg b/infra/corenix/modules/grub2/files/grub.cfg
new file mode 100644
index 000000000000..9b4548fbf048
--- /dev/null
+++ b/infra/corenix/modules/grub2/files/grub.cfg
@@ -0,0 +1,46 @@
+insmod regexp
+insmod ahci
+insmod part_msdos
+insmod part_gpt
+
+function load_video {
+ if [ x$feature_all_video_module = xy ]; then
+ insmod all_video
+ else
+ insmod efi_gop
+ insmod efi_uga
+ insmod ieee1275_fb
+ insmod vbe
+ insmod vga
+ insmod video_bochs
+ insmod video_cirrus
+ fi
+}
+
+
+if loadfont (cbfsdisk)/font.pf2 ; then
+ set gfxmode=auto
+ load_video
+ insmod gfxterm
+ set locale_dir=$prefix/locale
+ set lang=en_US
+ insmod gettext
+fi
+
+terminal_input console
+terminal_output gfxterm
+gfxpayload=keep
+
+if [ x$feature_timeout_style = xy ] ; then
+ set timeout_style=menu
+ set timeout=1
+# Fallback normal timeout code in case the timeout_style feature is
+# unavailable.
+else
+ set timeout=5
+fi
+
+insmod png
+if background_image (cbfsdisk)/background.png; then
+ true
+fi