Added generic functionality for custom kernels.
svn path=/nixpkgs/trunk/; revision=11275
This commit is contained in:
Michael Raskin
parent
0dfa801a82
commit
4ec702d2ab
127
pkgs/os-specific/linux/kernel/builder-custom.sh
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127
pkgs/os-specific/linux/kernel/builder-custom.sh
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source $stdenv/setup
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configurePhase=configurePhase
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configurePhase() {
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export INSTALL_PATH=$out
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export INSTALL_MOD_PATH=$out
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eval "$preConfigure"
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# Get rid of any "localversion" files installed by patches.
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if test -z "$allowLocalVersion"; then
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rm -f localversion*
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fi
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# Set our own localversion, if specified.
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if test -n "$localVersion"; then
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echo "$localVersion" > localversion-nix
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fi
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# Create the config file.
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cp $config .config
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chmod u+w .config
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echo --extraConfig--;
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echo "${extraConfig}";
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echo "$extraConfig" | while read; do
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optionName=$( echo "$REPLY" | sed -e 's/[^A-Z_]//g' );
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echo --optionName--;
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echo "$REPLY";
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echo ${optionName};
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if [ -n "${optionName}" ]; then
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sed -e s/.'*'${optionName}.'*'/"$REPLY/" -i .config
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fi;
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done;
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echo "$extraConfig" >> .config
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#substituteInPlace scripts/kconfig/lxdialog/check-lxdialog.sh \
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# --replace /usr /no-such-path
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# Necessary until NIXPKGS-38 is fixed:
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echo "#! $SHELL" > scripts/kconfig/lxdialog/check-lxdialog.sh
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chmod +x scripts/kconfig/lxdialog/check-lxdialog.sh
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make oldconfig \
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$makeFlags "${makeFlagsArray[@]}"
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echo --finalConfig--
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cat .config
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}
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installPhase=installPhase
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installPhase() {
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ensureDir $out
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# Copy the bzImage and System.map.
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cp System.map $out
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if test "$arch" = um; then
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ensureDir $out/bin
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cp linux $out/bin
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else
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cp arch/$arch/boot/bzImage $out/vmlinuz
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fi
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# Install the modules in $out/lib/modules with matching paths
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# in modules.dep (i.e., refererring to $out/lib/modules, not
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# /lib/modules). The depmod_opts= is to prevent the kernel
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# from passing `-b PATH' to depmod.
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export MODULE_DIR=$out/lib/modules/
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make modules_install \
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DEPMOD=$module_init_tools/sbin/depmod depmod_opts= \
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$makeFlags "${makeFlagsArray[@]}" \
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$installFlags "${installFlagsArray[@]}"
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# Strip the kernel modules.
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echo "Stripping kernel modules..."
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find $out -name "*.ko" -print0 | xargs -0 strip -S
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# move this to install later on
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# largely copied from early FC3 kernel spec files
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version=$(cd $out/lib/modules && ls -d *)
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# remove symlinks and create directories
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rm -f $out/lib/modules/$version/build
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rm -f $out/lib/modules/$version/source
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mkdir $out/lib/modules/$version/build
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# copy config
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cp .config $out/lib/modules/$version/build/.config
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if test "$arch" != um; then
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# copy all Makefiles and Kconfig files
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ln -s $out/lib/modules/$version/build $out/lib/modules/$version/source
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cp --parents `find -type f -name "Makefile*" -o -name "Kconfig*"` $out/lib/modules/$version/build
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cp Module.symvers $out/lib/modules/$version/build
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# weed out unneeded stuff
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rm -rf $out/lib/modules/$version/build/Documentation
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rm -rf $out/lib/modules/$version/build/scripts
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rm -rf $out/lib/modules/$version/build/include
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# copy architecture dependent files
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cp -a arch/$arch/scripts $out/lib/modules/$version/build || true
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cp -a arch/$arch/*lds $out/lib/modules/$version/build || true
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cp -a "arch/$arch/Makefile*.cpu" $out/lib/modules/$version/build/arch/$arch || true
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cp -a --parents arch/$arch/kernel/asm-offsets.s $out/lib/modules/$version/build/arch/$arch/kernel || true
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# copy scripts
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rm -f scripts/*.o
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rm -f scripts/*/*.o
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cp -a scripts $out/lib/modules/$version/build
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# copy include files
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mkdir -p $out/lib/modules/$version/build/include
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cd include
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cp -a acpi config linux math-emu media net pcmcia rxrpc scsi sound video asm asm-generic $out/lib/modules/$version/build/include
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cp -a `readlink asm` $out/lib/modules/$version/build/include
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cd ..
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fi
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}
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genericBuild
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89
pkgs/os-specific/linux/kernel/linux.nix
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89
pkgs/os-specific/linux/kernel/linux.nix
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@ -0,0 +1,89 @@
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{ stdenv, fetchurl, perl, mktemp, module_init_tools, lib
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# The base source file
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, src
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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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# A list of commands to run on patched kernel before
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# mke oldconfig
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, preConfigure? ""
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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 for output
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version ? "unknown"
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# To change how kernel thinks of itself
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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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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-custom.sh;
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inherit src;
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preConfigure = preConfigure;
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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-2.6.23-uml else
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if stdenv.system == "i686-linux" then ./config-2.6.23-i686-smp else
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if stdenv.system == "x86_64-linux" then ./config-2.6.23-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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