diff options
Diffstat (limited to 'pkgs/os-specific/linux/kernel/manual-config.nix')
| -rw-r--r-- | pkgs/os-specific/linux/kernel/manual-config.nix | 252 |
1 files changed, 131 insertions, 121 deletions
diff --git a/pkgs/os-specific/linux/kernel/manual-config.nix b/pkgs/os-specific/linux/kernel/manual-config.nix index 3219ef0b002b..9c82aea41aa6 100644 --- a/pkgs/os-specific/linux/kernel/manual-config.nix +++ b/pkgs/os-specific/linux/kernel/manual-config.nix @@ -19,110 +19,153 @@ in { src, # Any patches kernelPatches ? [], - # The kernel .config file + # Patches for native compiling only + nativeKernelPatches ? [], + # Patches for cross compiling only + crossKernelPatches ? [], + # The native kernel .config file configfile, + # The cross kernel .config file + crossConfigfile ? configfile, # Manually specified nixexpr representing the config # If unspecified, this will be autodetected from the .config config ? stdenv.lib.optionalAttrs allowImportFromDerivation (readConfig configfile), + # Cross-compiling config + crossConfig ? if allowImportFromDerivation then (readConfig crossConfigfile) else config, # Whether to utilize the controversial import-from-derivation feature to parse the config allowImportFromDerivation ? false }: -let config_ = config; in - let inherit (stdenv.lib) - hasAttr getAttr optionalAttrs optional optionalString maintainers platforms; - - config = let attrName = attr: "CONFIG_" + attr; in { - isSet = attr: hasAttr (attrName attr) config; - - getValue = attr: if config.isSet attr then getAttr (attrName attr) config else null; - - isYes = attr: (config.getValue attr) == "y"; - - isNo = attr: (config.getValue attr) == "n"; - - isModule = attr: (config.getValue attr) == "m"; - - isEnabled = attr: (config.isModule attr) || (config.isYes attr); - - isDisabled = attr: (!(config.isSet attr)) || (config.isNo attr); - } // config_; + hasAttr getAttr optional optionalString maintainers platforms; installkernel = writeTextFile { name = "installkernel"; executable=true; text = '' #!${stdenv.shell} -e mkdir -p $4 cp -av $2 $4 cp -av $3 $4 - '';}; - - isModular = config.isYes "MODULES"; - - installsFirmware = (config.isEnabled "FW_LOADER") && - (isModular || (config.isDisabled "FIRMWARE_IN_KERNEL")); + ''; }; commonMakeFlags = [ "O=$(buildRoot)" ]; - # Some image types need special install targets (e.g. uImage is installed with make uinstall) - installTarget = target: [ (if target == "uImage" then "uinstall" else "install") ]; - - sourceRoot = stdenv.mkDerivation { - name = "linux-source-${version}"; - - inherit src; - - patches = map (p: p.patch) kernelPatches; - - phases = [ "unpackPhase" "patchPhase" "installPhase" ]; - - prePatch = '' - for mf in $(find -name Makefile -o -name Makefile.include -o -name install.sh); do - echo "stripping FHS paths in \`$mf'..." - sed -i "$mf" -e 's|/usr/bin/||g ; s|/bin/||g ; s|/sbin/||g' - done - sed -i Makefile -e 's|= depmod|= ${kmod}/sbin/depmod|' - # Patch kconfig to print "###" after every question so that - # generate-config.pl from the generic builder can answer them. - # This only affects oldaskconfig. - sed -e '/fflush(stdout);/i\printf("###");' -i scripts/kconfig/conf.c - ''; + drvAttrs = config_: platform: kernelPatches: configfile: + let + config = let attrName = attr: "CONFIG_" + attr; in { + isSet = attr: hasAttr (attrName attr) config; - installPhase = '' - cd .. - mv $sourceRoot $out - ''; - }; + getValue = attr: if config.isSet attr then getAttr (attrName attr) config else null; + + isYes = attr: (config.getValue attr) == "y"; + + isNo = attr: (config.getValue attr) == "n"; + + isModule = attr: (config.getValue attr) == "m"; + + isEnabled = attr: (config.isModule attr) || (config.isYes attr); + + isDisabled = attr: (!(config.isSet attr)) || (config.isNo attr); + } // config_; + + isModular = config.isYes "MODULES"; + + installsFirmware = (config.isEnabled "FW_LOADER") && + (isModular || (config.isDisabled "FIRMWARE_IN_KERNEL")); + + sourceRoot = stdenv.mkDerivation { + name = "linux-source-${version}"; + + inherit src; + + patches = map (p: p.patch) kernelPatches; + + phases = [ "unpackPhase" "patchPhase" "installPhase" ]; + + prePatch = '' + for mf in $(find -name Makefile -o -name Makefile.include -o -name install.sh); do + echo "stripping FHS paths in \`$mf'..." + sed -i "$mf" -e 's|/usr/bin/||g ; s|/bin/||g ; s|/sbin/||g' + done + + sed -i Makefile -e 's|= depmod|= ${kmod}/sbin/depmod|' + + # Patch kconfig to print "###" after every question so that + # generate-config.pl from the generic builder can answer them. + # This only affects oldaskconfig. + sed -e '/fflush(stdout);/i\printf("###");' -i scripts/kconfig/conf.c + ''; + + installPhase = '' + cd .. + mv $sourceRoot $out + ''; + }; + in { + outputs = if isModular then [ "out" "dev" ] else null; + + passthru = { + inherit version modDirVersion config kernelPatches src; + }; + + inherit sourceRoot; + + unpackPhase = '' + mkdir build + export buildRoot="$(pwd)/build" + cd ${sourceRoot} + ''; + + configurePhase = '' + runHook preConfigure + ln -sv ${configfile} $buildRoot/.config + make $makeFlags "''${makeFlagsArray[@]}" oldconfig + runHook postConfigure + ''; + + buildFlags = [ stdenv.platform.kernelTarget ] ++ optional isModular "modules"; + + installFlags = [ + "INSTALLKERNEL=${installkernel}" + "INSTALL_PATH=$(out)" + ] ++ (optional isModular "INSTALL_MOD_PATH=$(out)") + ++ optional installsFirmware "INSTALL_FW_PATH=$(out)/lib/firmware"; + + # Some image types need special install targets (e.g. uImage is installed with make uinstall) + installTargets = [ (if platform.kernelTarget == "uImage" then "uinstall" else "install") ]; + + postInstall = optionalString installsFirmware '' + mkdir -p $out/lib/firmware + '' + (if isModular then '' + make modules_install $makeFlags "''${makeFlagsArray[@]}" \ + $installFlags "''${installFlagsArray[@]}" + unlink $out/lib/modules/${modDirVersion}/build + mkdir -p $dev/lib/modules/${modDirVersion} + mv $out/lib/modules/${modDirVersion}/source $dev/lib/modules/${modDirVersion}/source + mv $buildRoot $dev/lib/modules/${modDirVersion}/build + '' else optionalString installsFirmware '' + make firmware_install $makeFlags "''${makeFlagsArray[@]}" \ + $installFlags "''${installFlagsArray[@]}" + ''); + + postFixup = if isModular then '' + if [ -z "$dontStrip" ]; then + find $out -name "*.ko" -print0 | xargs -0 -r ''${crossConfig+$crossConfig-}strip -S + # Remove all references to the source directory to avoid unneeded + # runtime dependencies + find $out -name "*.ko" -print0 | xargs -0 -r sed -i \ + "s|${sourceRoot}|$NIX_STORE/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-${sourceRoot.name}|g" + fi + '' else null; + }; in -stdenv.mkDerivation { +stdenv.mkDerivation ((drvAttrs config stdenv.platform (kernelPatches ++ nativeKernelPatches) configfile) // { name = "linux-${version}"; enableParallelBuilding = true; - outputs = if isModular then [ "out" "dev" ] else null; - - passthru = { - inherit version modDirVersion config kernelPatches src; - }; - - inherit sourceRoot; - - unpackPhase = '' - mkdir build - export buildRoot="$(pwd)/build" - cd ${sourceRoot} - ''; - - configurePhase = '' - runHook preConfigure - ln -sv ${configfile} $buildRoot/.config - make $makeFlags "''${makeFlagsArray[@]}" oldconfig - runHook postConfigure - ''; - nativeBuildInputs = [ perl bc nettools ] ++ optional (stdenv.platform.uboot != null) (ubootChooser stdenv.platform.uboot); @@ -130,53 +173,20 @@ stdenv.mkDerivation { "ARCH=${stdenv.platform.kernelArch}" ]; - buildFlags = [ stdenv.platform.kernelTarget ] ++ optional isModular "modules"; - - installFlags = [ - "INSTALLKERNEL=${installkernel}" - "INSTALL_PATH=$(out)" - ] ++ (optional isModular "INSTALL_MOD_PATH=$(out)") - ++ optional installsFirmware "INSTALL_FW_PATH=$(out)/lib/firmware"; - - installTargets = installTarget stdenv.platform.kernelTarget; - crossAttrs = let cp = stdenv.cross.platform; in { - buildFlags = [ cp.kernelTarget ] ++ optional isModular "modules"; - - makeFlags = commonMakeFlags ++ [ - "ARCH=${cp.kernelArch}" - "CROSS_COMPILE=$(crossConfig)-" - ]; - - installTargets = installTarget cp.kernelTarget; - - buildInputs = optional (cp.uboot != null) (ubootChooser cp.uboot).crossDrv; + (drvAttrs crossConfig cp (kernelPatches ++ crossKernelPatches) crossConfigfile) // { + makeFlags = commonMakeFlags ++ [ + "ARCH=${cp.kernelArch}" + "CROSS_COMPILE=$(crossConfig)-" + ]; + + # !!! uboot has messed up cross-compiling, nativeDrv builds arm tools on x86, + # crossDrv builds x86 tools on x86 (but arm uboot). If this is fixed, uboot + # can just go into buildInputs (but not nativeBuildInputs since cp.uboot + # may be different from stdenv.platform.uboot) + buildInputs = optional (cp.uboot != null) (ubootChooser cp.uboot).crossDrv; }; - postInstall = optionalString installsFirmware '' - mkdir -p $out/lib/firmware - '' + (if isModular then '' - make modules_install $makeFlags "''${makeFlagsArray[@]}" \ - $installFlags "''${installFlagsArray[@]}" - unlink $out/lib/modules/${modDirVersion}/build - mkdir -p $dev/lib/modules/${modDirVersion} - mv $out/lib/modules/${modDirVersion}/source $dev/lib/modules/${modDirVersion}/source - mv $buildRoot $dev/lib/modules/${modDirVersion}/build - '' else optionalString installsFirmware '' - make firmware_install $makeFlags "''${makeFlagsArray[@]}" \ - $installFlags "''${installFlagsArray[@]}" - ''); - - postFixup = if isModular then '' - if [ -z "$dontStrip" ]; then - find $out -name "*.ko" -print0 | xargs -0 -r ''${crossConfig+$crossConfig-}strip -S - # Remove all references to the source directory to avoid unneeded - # runtime dependencies - find $out -name "*.ko" -print0 | xargs -0 -r sed -i \ - "s|${sourceRoot}|$NIX_STORE/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-${sourceRoot.name}|g" - fi - '' else null; - meta = { description = "The Linux kernel"; license = "GPLv2"; @@ -186,4 +196,4 @@ stdenv.mkDerivation { ]; platforms = platforms.linux; }; -} +}) |