blob: 735784327bccdd8709d2dce03e4171494e2629af (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
{pkgs, config, ...}:
with pkgs.lib;
let
efiBootStubBuilder = pkgs.substituteAll {
src = ./efi-boot-stub-builder.sh;
isExecutable = true;
inherit (pkgs) bash;
path = [pkgs.coreutils pkgs.gnused pkgs.gnugrep pkgs.glibc] ++ (pkgs.stdenv.lib.optionals config.boot.loader.efi.canTouchEfiVariables [pkgs.efibootmgr pkgs.module_init_tools]);
inherit (config.boot.loader.efiBootStub) installStartupNsh;
inherit (config.boot.loader.efi) efiSysMountPoint;
inherit (config.boot.loader.efi.efibootmgr) efiDisk efiPartition postEfiBootMgrCommands;
runEfibootmgr = config.boot.loader.efi.canTouchEfiVariables;
efiShell = if config.boot.loader.efiBootStub.installShell then
if pkgs.stdenv.isi686 then
pkgs.fetchurl {
url = "https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2/EdkShellBinPkg/FullShell/Ia32/Shell_Full.efi";
sha256 = "1gv6kyaspczdp7x8qnx5x76ilriaygkfs99ay7ihhdi6riclkhfl";
}
else
pkgs.fetchurl {
url = "https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2/EdkShellBinPkg/FullShell/X64/Shell_Full.efi";
sha256 = "1g18z84rlavxr5gsrh2g942rfr6znv9fs3fqww5m7dhmnysgyv8p";
}
else
null;
kernelFile = platform.kernelTarget;
targetArch = if pkgs.stdenv.isi686 then
"IA32"
else if pkgs.stdenv.isx86_64 then
"X64"
else
throw "Unsupported architecture";
};
# Temporary check, for nixos to cope both with nixpkgs stdenv-updates and trunk
platform = pkgs.stdenv.platform;
in
{
options = {
boot = {
loader = {
efiBootStub = {
enable = mkOption {
default = false;
description = ''
Whether to use the linux kernel as an EFI bootloader.
When enabled, the kernel, initrd, and an EFI shell script
to boot the system are copied to the EFI system partition.
'';
};
installStartupNsh = mkOption {
default = false;
description = ''
Whether to install a startup.nsh in the root of the EFI system partition.
For now, it will just boot the latest version when run, the eventual goal
is to have a basic menu-type interface.
'';
};
installShell = mkOption {
default = false;
description = ''
Whether to install an EFI shell in \EFI\BOOT.
This _should_ only be needed for removable devices
(CDs, usb sticks, etc.), but it may be an option for broken
systems where efibootmgr doesn't work. Particularly useful in
conjunction with installStartupNsh
'';
};
};
};
};
};
config = mkIf config.boot.loader.efiBootStub.enable {
assertions = [ { assertion = ! config.boot.kernelPackages.kernel ? features || config.boot.kernelPackages.kernel.features ? efiBootStub; message = "This kernel does not support the EFI boot stub"; } ];
system = {
build.installBootLoader = efiBootStubBuilder;
boot.loader.id = "efiBootStub";
boot.loader.kernelFile = platform.kernelTarget;
requiredKernelConfig = with config.lib.kernelConfig; [
(isYes "EFI_STUB")
];
};
};
}
|