85 lines
2.5 KiB
Nix
85 lines
2.5 KiB
Nix
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{ stdenv, fetchurl, perl, mktemp, module_init_tools
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# A list of patches to apply to the kernel. Each element of this list
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# should be an attribute set {name, patch} where `name' is a
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# symbolic name and `patch' is the actual patch. The patch may
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# optionally be compressed with gzip or bzip2.
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, kernelPatches ? []
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, # Whether to build a User-Mode Linux kernel.
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userModeLinux ? false
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, # Allows you to set your own kernel version suffix (e.g.,
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# "-my-kernel").
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localVersion ? ""
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, # Your own kernel configuration file, if you don't want to use the
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# default.
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kernelConfig ? null
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, # A list of additional statements to be appended to the
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# configuration file.
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extraConfig ? []
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}:
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assert stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux";
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let
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lib = import ../../../lib;
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version = "2.6.21";
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in
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stdenv.mkDerivation {
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name = if userModeLinux then "user-mode-linux-${version}" else "linux-${version}";
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builder = ./builder.sh;
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src = fetchurl {
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url = "http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.21.tar.bz2";
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sha256 = "f187b12d70e0a48ce81f0472dfe9504fb5f0f966be339ac9d57dd2b991a74942";
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};
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patches = map (p: p.patch) kernelPatches;
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extraConfig =
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let addNewlines = map (s: "\n" + s + "\n");
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configFromPatches =
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map (p: if p ? extraConfig then p.extraConfig else "") kernelPatches;
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in lib.concatStrings (addNewlines (configFromPatches ++ extraConfig));
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config =
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if kernelConfig != null then kernelConfig else
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if userModeLinux then ./config-2.6.21-uml else
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if stdenv.system == "i686-linux" then ./config-2.6.21-i686-smp else
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if stdenv.system == "x86_64-linux" then ./config-2.6.21-x86_64-smp else
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abort "No kernel configuration for your platform!";
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buildInputs = [perl mktemp];
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arch =
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if userModeLinux then "um" else
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if stdenv.system == "i686-linux" then "i386" else
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if stdenv.system == "x86_64-linux" then "x86_64" else
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abort "Platform ${stdenv.system} is not supported.";
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makeFlags = if userModeLinux then "ARCH=um SHELL=bash" else "";
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inherit module_init_tools;
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allowLocalVersion = false; # don't allow patches to set a suffix
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inherit localVersion; # but do allow the user to set one.
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meta = {
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description =
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(if userModeLinux then
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"User-Mode Linux"
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else
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"The Linux kernel") +
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(if kernelPatches == [] then "" else
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" (with patches: "
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+ lib.concatStrings (lib.intersperse ", " (map (x: x.name) kernelPatches))
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+ ")");
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};
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}
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