mirror of
https://github.com/NixOS/nixpkgs.git
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a1f03a04d4
Overengineered for no good reason, especially since upstream Xen recommends downstreams to use the latest stable branch anyway (instead of the pinned release revision) Signed-off-by: Fernando Rodrigues <alpha@sigmasquadron.net>
367 lines
9.2 KiB
Nix
367 lines
9.2 KiB
Nix
{
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lib,
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stdenv,
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autoPatchelfHook,
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cmake,
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pkg-config,
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testers,
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which,
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fetchgit,
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# Xen
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acpica-tools,
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bison,
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bzip2,
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dev86,
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e2fsprogs,
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flex,
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libnl,
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libuuid,
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lzo,
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ncurses,
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ocamlPackages,
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perl,
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python3Packages,
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systemdMinimal,
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xz,
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yajl,
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zlib,
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zstd,
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# Optional Components
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seabios-qemu,
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systemSeaBIOS ? seabios-qemu,
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OVMF,
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ipxe,
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checkpolicy,
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binutils-unwrapped-all-targets,
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# Documentation
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pandoc,
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# Scripts
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bridge-utils,
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coreutils,
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diffutils,
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gawk,
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gnugrep,
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gnused,
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inetutils,
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iproute2,
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iptables,
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multipath-tools,
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nbd,
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openvswitch,
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util-linux,
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}:
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{
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pname,
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branch ? lib.versions.majorMinor version,
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version,
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vendor ? "nixos",
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withFlask ? false,
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withSeaBIOS ? true,
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withOVMF ? true,
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withIPXE ? true,
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rev,
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hash,
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patches ? [ ],
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meta ? { },
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}:
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let
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inherit (lib.meta) getExe';
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inherit (lib.lists) optional optionals;
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inherit (lib.systems.inspect.patterns) isLinux isAarch64;
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inherit (lib) teams;
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inherit (lib.strings)
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enableFeature
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makeSearchPathOutput
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optionalString
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versionOlder
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;
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inherit (lib.licenses)
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cc-by-40
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gpl2Only
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lgpl21Only
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mit
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;
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# Mark versions older than minSupportedVersion as EOL.
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minSupportedVersion = "4.16";
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#TODO: fix paths instead.
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scriptEnvPath = makeSearchPathOutput "out" "bin" [
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bridge-utils
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coreutils
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diffutils
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gawk
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gnugrep
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gnused
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inetutils
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iproute2
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iptables
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multipath-tools
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nbd
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openvswitch
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perl
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util-linux.bin
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which
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];
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in
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stdenv.mkDerivation (finalAttrs: {
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inherit pname version patches;
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outputs = [
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"out"
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"man"
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"doc"
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"dev"
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"boot"
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];
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src = fetchgit {
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url = "https://xenbits.xenproject.org/git-http/xen.git";
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inherit rev hash;
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};
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nativeBuildInputs = [
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autoPatchelfHook
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bison
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cmake
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flex
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pandoc
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pkg-config
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python3Packages.setuptools
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];
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buildInputs = [
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# Xen
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acpica-tools
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bzip2
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dev86
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e2fsprogs.dev
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libnl
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libuuid
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lzo
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ncurses
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perl
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python3Packages.python
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xz
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yajl
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zlib
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zstd
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# oxenstored
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ocamlPackages.findlib
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ocamlPackages.ocaml
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# Python Fixes
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python3Packages.wrapPython
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] ++ optional withFlask checkpolicy ++ optional (versionOlder version "4.19") systemdMinimal;
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configureFlags = [
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"--enable-systemd"
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"--disable-qemu-traditional"
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"--with-system-qemu"
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(if withSeaBIOS then "--with-system-seabios=${systemSeaBIOS.firmware}" else "--disable-seabios")
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(if withOVMF then "--with-system-ovmf=${OVMF.firmware}" else "--disable-ovmf")
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(if withIPXE then "--with-system-ipxe=${ipxe.firmware}" else "--disable-ipxe")
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(enableFeature withFlask "xsmpolicy")
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];
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makeFlags =
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[
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"SUBSYSTEMS=${toString finalAttrs.buildFlags}"
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"PREFIX=$(out)"
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"BASH_COMPLETION_DIR=$(PREFIX)/share/bash-completion/completions"
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"XEN_WHOAMI=${pname}"
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"XEN_DOMAIN=${vendor}"
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"GIT=${coreutils}/bin/false"
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"WGET=${coreutils}/bin/false"
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"EFI_VENDOR=${vendor}"
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"INSTALL_EFI_STRIP=1"
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"LD=${getExe' binutils-unwrapped-all-targets "ld"}"
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]
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# These flags set the CONFIG_* options in /boot/xen.config
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# and define if the default policy file is built. However,
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# the Flask binaries always get compiled by default.
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++ optionals withFlask [
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"XSM_ENABLE=y"
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"FLASK_ENABLE=y"
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];
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buildFlags = [
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"xen"
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"tools"
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"docs"
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];
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enableParallelBuilding = true;
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env.NIX_CFLAGS_COMPILE = toString [
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"-Wno-error=maybe-uninitialized"
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"-Wno-error=array-bounds"
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];
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dontUseCmakeConfigure = true;
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# Remove in-tree QEMU sources, we don't need them in any circumstance.
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prePatch = "rm --recursive --force tools/qemu-xen tools/qemu-xen-traditional";
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postPatch =
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# The following patch forces Xen to install xen.efi on $out/boot
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# instead of $out/boot/efi/efi/nixos, as the latter directory
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# would otherwise need to be created manually. This also creates
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# a more consistent output for downstreams who override the
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# vendor attribute above.
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''
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substituteInPlace xen/Makefile \
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--replace-fail "\$(D)\$(EFI_MOUNTPOINT)/efi/\$(EFI_VENDOR)/\$(T)-\$(XEN_FULLVERSION).efi" \
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"\$(D)\$(BOOT_DIR)/\$(T)-\$(XEN_FULLVERSION).efi"
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''
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# The following patch fixes the call to /bin/mkdir on the
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# launch_xenstore.sh helper script.
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+ ''
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substituteInPlace tools/hotplug/Linux/launch-xenstore.in \
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--replace-fail "/bin/mkdir" "${coreutils}/bin/mkdir"
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''
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# The following expression fixes the paths called by Xen's systemd
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# units, so we can use them in the NixOS module.
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+ ''
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substituteInPlace \
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tools/hotplug/Linux/systemd/{xen-init-dom0,xen-qemu-dom0-disk-backend,xenconsoled,xendomains,xenstored}.service.in \
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--replace-fail /bin/grep ${gnugrep}/bin/grep
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substituteInPlace \
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tools/hotplug/Linux/systemd/{xen-qemu-dom0-disk-backend,xenconsoled}.service.in \
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--replace-fail "/bin/mkdir" "${coreutils}/bin/mkdir"
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'';
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installPhase = ''
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runHook preInstall
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mkdir --parents $out $out/share $boot
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cp -prvd dist/install/nix/store/*/* $out/
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cp -prvd dist/install/etc $out
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cp -prvd dist/install/boot $boot
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runHook postInstall
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'';
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postInstall =
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# Wrap xencov_split, xenmon and xentrace_format.
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''
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wrapPythonPrograms
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''
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# We also need to wrap pygrub, which lies in $out/libexec/xen/bin.
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+ ''
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wrapPythonProgramsIn "$out/libexec/xen/bin" "$out $pythonPath"
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''
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# Fix shebangs in Xen's various scripts.
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#TODO: Remove any and all usage of `sed` and replace these complicated magic runes with readable code.
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+ ''
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shopt -s extglob
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for i in $out/etc/xen/scripts/!(*.sh); do
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sed --in-place "2s@^@export PATH=$out/bin:${scriptEnvPath}\n@" $i
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done
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'';
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postFixup =
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''
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addAutoPatchelfSearchPath $out/lib
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autoPatchelf $out/libexec/xen/bin
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''
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# Flask is particularly hard to disable. Even after
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# setting the make flags to `n`, it still gets compiled.
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# If withFlask is disabled, delete the extra binaries.
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+ optionalString (!withFlask) ''
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rm -f $out/bin/flask-*
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'';
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passthru = {
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efi = "boot/xen-${version}.efi";
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flaskPolicy =
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if withFlask then
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"boot/xenpolicy-${version}"
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else
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throw "This Xen was compiled without FLASK support.";
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# This test suite is very simple, as Xen's userspace
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# utilities require the hypervisor to be booted.
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tests = {
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pkg-config = testers.hasPkgConfigModules {
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package = finalAttrs.finalPackage;
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moduleNames = [
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"xencall"
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"xencontrol"
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"xendevicemodel"
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"xenevtchn"
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"xenforeignmemory"
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"xengnttab"
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"xenguest"
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"xenhypfs"
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"xenlight"
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"xenstat"
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"xenstore"
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"xentoolcore"
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"xentoollog"
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"xenvchan"
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"xlutil"
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];
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};
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};
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};
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meta = {
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inherit branch;
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description = "Type-1 hypervisor intended for embedded and hyperscale use cases";
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longDescription =
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''
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The Xen Project Hypervisor is a virtualisation technology defined as a *type-1
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hypervisor*, which allows multiple virtual machines, known as domains, to run
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concurrently with the host on the physical machine. On a typical *type-2
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hypervisor*, the virtual machines run as applications on top of the
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host. NixOS runs as the privileged **Domain 0**, and can paravirtualise or fully
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virtualise **Unprivileged Domains**.
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Use with the `qemu_xen` package.
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''
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+ "\nIncludes:\n* `xen.efi`: The Xen Project's [EFI binary](https://xenbits.xenproject.org/docs/${branch}-testing/misc/efi.html), available on the `boot` output of this package."
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+ optionalString withFlask "\n* `xsm-flask`: The [FLASK Xen Security Module](https://wiki.xenproject.org/wiki/Xen_Security_Modules_:_XSM-FLASK). The `xenpolicy-${version}` file is available on the `boot` output of this package."
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+ optionalString withSeaBIOS "\n* `seabios`: Support for the SeaBIOS boot firmware on HVM domains."
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+ optionalString withOVMF "\n* `ovmf`: Support for the OVMF UEFI boot firmware on HVM domains."
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+ optionalString withIPXE "\n* `ipxe`: Support for the iPXE boot firmware on HVM domains.";
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homepage = "https://xenproject.org/";
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downloadPage = "https://downloads.xenproject.org/release/xen/${version}/";
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changelog = "https://wiki.xenproject.org/wiki/Xen_Project_${branch}_Release_Notes";
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license = [
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# Documentation.
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cc-by-40
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# Most of Xen is licensed under the GPL v2.0.
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gpl2Only
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# Xen Libraries and the `xl` command-line utility.
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lgpl21Only
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# Development headers in $dev/include.
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mit
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];
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maintainers = teams.xen.members;
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knownVulnerabilities = optional (versionOlder version minSupportedVersion) "The Xen Project Hypervisor version ${version} is no longer supported by the Xen Project Security Team. See https://xenbits.xenproject.org/docs/unstable/support-matrix.html";
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mainProgram = "xl";
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platforms = [ isLinux ];
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badPlatforms = [ isAarch64 ];
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} // meta;
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})
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