summary refs log tree commit diff
path: root/nixos/modules/installer/cd-dvd/system-tarball-sheevaplug.nix
blob: 95579f3ca06d2af74247930d03cd54180b987bbb (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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
# This module contains the basic configuration for building a NixOS
# tarball for the sheevaplug.

{ config, lib, pkgs, ... }:

with lib;

let

  # A dummy /etc/nixos/configuration.nix in the booted CD that
  # rebuilds the CD's configuration (and allows the configuration to
  # be modified, of course, providing a true live CD).  Problem is
  # that we don't really know how the CD was built - the Nix
  # expression language doesn't allow us to query the expression being
  # evaluated.  So we'll just hope for the best.
  dummyConfiguration = pkgs.writeText "configuration.nix"
    ''
      { config, pkgs, ... }:

      {
        # Add your own options below and run "nixos-rebuild switch".
        # E.g.,
        #   services.openssh.enable = true;
      }
    '';


  pkgs2storeContents = l : map (x: { object = x; symlink = "none"; }) l;

  # A clue for the kernel loading
  kernelParams = pkgs.writeText "kernel-params.txt" ''
    Kernel Parameters:
      init=${config.system.build.toplevel}/init ${toString config.boot.kernelParams}
  '';


in

{
  imports = [ ./system-tarball.nix ];

  # Disable some other stuff we don't need.
  security.sudo.enable = false;

  # Include only the en_US locale.  This saves 75 MiB or so compared to
  # the full glibcLocales package.
  i18n.supportedLocales = ["en_US.UTF-8/UTF-8" "en_US/ISO-8859-1"];

  # Include some utilities that are useful for installing or repairing
  # the system.
  environment.systemPackages =
    [ pkgs.w3m # needed for the manual anyway
      pkgs.ddrescue
      pkgs.ccrypt
      pkgs.cryptsetup # needed for dm-crypt volumes

      # Some networking tools.
      pkgs.sshfs-fuse
      pkgs.socat
      pkgs.screen
      pkgs.wpa_supplicant # !!! should use the wpa module

      # Hardware-related tools.
      pkgs.sdparm
      pkgs.hdparm
      pkgs.dmraid

      # Tools to create / manipulate filesystems.
      pkgs.btrfs-progs

      # Some compression/archiver tools.
      pkgs.unzip
      pkgs.zip
      pkgs.xz
      pkgs.dar # disk archiver

      # Some editors.
      pkgs.nvi
      pkgs.bvi # binary editor
      pkgs.joe
    ];

  boot.loader.grub.enable = false;
  boot.loader.generationsDir.enable = false;
  system.boot.loader.kernelFile = "uImage";

  boot.initrd.availableKernelModules =
    [ "mvsdio" "reiserfs" "ext3" "ums-cypress" "rtc_mv" "ext4" ];

  boot.postBootCommands =
    ''
      mkdir -p /mnt

      cp ${dummyConfiguration} /etc/nixos/configuration.nix
    '';

  boot.initrd.extraUtilsCommands =
    ''
      copy_bin_and_libs ${pkgs.util-linux}/sbin/hwclock
    '';

  boot.initrd.postDeviceCommands =
    ''
      hwclock -s
    '';

  boot.kernelParams =
    [
      "selinux=0"
      "console=tty1"
      # "console=ttyS0,115200n8"  # serial console
    ];

  boot.kernelPackages = pkgs.linuxPackages_3_4;

  boot.supportedFilesystems = [ "reiserfs" ];

  /* fake entry, just to have a happy stage-1. Users
     may boot without having stage-1 though */
  fileSystems.fake =
    { mountPoint = "/";
      device = "/dev/something";
    };

  services.getty = {
    # Some more help text.
    helpLine = ''
      Log in as "root" with an empty password.  ${
        if config.services.xserver.enable then
          "Type `start xserver' to start\nthe graphical user interface."
        else ""
      }
    '';
  };

  # Setting vesa, we don't get the nvidia driver, which can't work in arm.
  services.xserver.videoDrivers = [ "vesa" ];

  documentation.nixos.enable = false;

  # Include the firmware for various wireless cards.
  networking.enableRalinkFirmware = true;
  networking.enableIntel2200BGFirmware = true;

  # To speed up further installation of packages, include the complete stdenv
  # in the Nix store of the tarball.
  tarball.storeContents = pkgs2storeContents [ pkgs.stdenv ];
  tarball.contents = [
    { source = kernelParams;
      target = "/kernelparams.txt";
    }
    { source = config.boot.kernelPackages.kernel + "/" + config.system.boot.loader.kernelFile;
      target = "/boot/" + config.system.boot.loader.kernelFile;
    }
    { source = pkgs.ubootSheevaplug;
      target = "/boot/uboot";
    }
  ];

  # Allow sshd to be started manually through "start sshd".  It should
  # not be started by default on the installation CD because the
  # default root password is empty.
  services.openssh.enable = true;
  systemd.services.openssh.wantedBy = lib.mkOverride 50 [];

  # cpufrequtils fails to build on non-pc
  powerManagement.enable = false;

  nixpkgs.config = {
    platform = pkgs.platforms.sheevaplug;
  };
}