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path: root/pcr/xen/PKGBUILD
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# current version adapted from https://gitlab.com/johnth/aur-xen/blob/717dc1c8e32c3c615652f2b40838d1cb12441073/PKGBUILD

# Maintainer (AUR): John Thomson <aur.xen at j0aur.mm.st>
# Contributor (Arch): David Sutton <kantras - gmail.com>
# Contributor (Arch): Shanmu Thiagaraja <sthiagaraja+AUR@prshanmu.com>
# Contributor (Arch): Limao Luo
# Contributor (Arch): Luceo
# Contributor (Arch): Revellion
# Contributor: André Silva <emulatorman@parabola.nu>
# Contributor: Márcio Silva <coadde@parabola.nu>
# Contributor: Isaac David <isacdaavid@at@isacdaavid@dot@info>

#linux-4.7 EFI boot panic issue (patch linux)
#http://lkml.iu.edu/hypermail/linux/kernel/1608.2/03448.html

_build_stubdom="${build_stubdom:-false}"
_system_seabios="${system_seabios:-false}"
_build_debug="${build_debug:-false}"
_build_livepatch="${build_livepatch:-false}"

## use _build_stubdom=true to build xen with stubdom
## use _system_seabios=true to use system seabios
## this bios file is slightly different to the xen seabios
## /usr/share/qemu/bios-256k.bin uses CONFIG_ROM_SIZE=256, and newer seabios
## can force use this file through vm.cfg bios_path_override='/usr/share/qemu/bios-256k.bin'
## use _build_debug=true to compile Xen with debug options
## use _build_livepatch=true to compile Xen with livepatch support

#_build_stubdom=true
#_system_seabios=true
#_build_debug=true
#_build_livepatch=true

pkgbase=xen
pkgname=(xen{,-docs,-syms})
_pkgname=xen
pkgver=4.9.0
_pkgver=${pkgver/rc/-rc}
pkgrel=1.parabola1
pkgdesc="Virtual Machine Hypervisor & Tools (Parabola rebranded)"
arch=(x86_64 armv7h)
depends=(
    bridge-utils
    curl
    gnutls
    iproute2
    libaio
    libcap-ng
    libiscsi
    libnl
    libpng
    lzo
    pciutils
    python2
    sdl
    spice
    systemd
    usbredir
    yajl
    # seabios ovmf qemu
)
[[ "$CARCH" == 'x86_64' ]] && depends+=(
    lib32-glibc
)
[[ "$CARCH" == *'arm'* ]] && depends+=(
    dtc-overlay
)
[[ "$_system_seabios" == true ]] && depends+=(
    seabios
)
url='http://www.xenproject.org/'
license=('GPL2')
makedepends=(
    cmake
    figlet
    git
    markdown
    nasm
    ocaml-findlib
    spice-protocol
    wget
)
[[ "$CARCH" == 'x86_64' ]] && makedepends+=(
    bin86
    dev86
    gcc-multilib
    iasl
)

## For building Xen EFI boot file.
## mingw-w64-binutils only needed if 
## binutils not built with --enable-targets=x86_64-pep 
_binutils_efi=false

if [[ "$CARCH" == 'x86_64' ]]; then
    _binutils_emulations="$(ld -V)"
    if [[ "$_binutils_emulations" == *'i386pep'* ]]; then
        _binutils_efi=true
        echo '#ld has efi support'
    else
        makedepends+=(
            mingw-w64-binutils
        )
        echo '#ld does not have efi support, using mingw'
    fi
fi


options=(!buildflags !strip)
changelog=ChangeLog

##SeaBIOS & OVMF tags are in src/xen-*/tools/Config.mk
##grep -rE '_(REVISION|VERSION|TAG)( \?| :){0,1}=' src/xen**/{Config.mk,stubdom/configure,tools/firmware/etherboot/Makefile}
_git_tag_seabios='#tag=rel-1.10.0'
_git_tag_ovmf='#tag=5920a9d16b1ab887c2858224316a98e961d71b05'
_git_tag_ipxe='827dd1bfee67daa683935ce65316f7e0f057fe1c'

if [[ "$_build_stubdom" == true ]]; then
    if [[ "$CARCH" == *'arm'* ]]; then
        echo '####Compile settings error:'
        echo "#cannot build stubdom for $CARCH"
        _build_stubdom=false
    fi
fi

source=(
    "https://downloads.xenproject.org/release/$_pkgname/$_pkgver/$_pkgname-$_pkgver.tar.gz"{,.sig}
    "http://xenbits.xen.org/xen-extfiles/ipxe-git-$_git_tag_ipxe.tar.gz"

    'seabios'::"git://xenbits.xen.org/seabios.git$_git_tag_seabios"
    'ovmf'::"git://xenbits.xen.org/ovmf.git$_git_tag_ovmf"
    ##HTTP access
    #'seabios'::"git+http://xenbits.xen.org/git-http/seabios.git$_git_tag_seabios"

    ## Compile patches
    ati-passthrough.patch
    patch-ovmf-use-python2.patch
    patch-ovmf-apply-inbuild-patches.patch
    patch-ovmf-patches-series.patch
    #patch-build-efi-with-mingw.patch::https://github.com/jakogut/xen-igvtg-aur/raw/28c81072e419d72a100ada9c393e37fae35ad263/xen_efi_build.patch
    patch-inbuild-ovmf-5-hiilib.c-pointer-zero.patch::'https://github.com/tianocore/edk2/commit/fe4a28ccbfd33cae9e1f56b174d46b4eb2329efd.patch'
    patch-inbuild-ipxe-gcc7-implicit-fallthrough.patch::'https://github.com/ipxe/ipxe/commit/5f85cbb9ee1c00cec81a848a9e871ad5d1e7f53f.patch'
    patch-inbuild-ipxe-gcc7-implicit-fallthrough-ath5k.patch::'https://github.com/ipxe/ipxe/commit/45f2265bfcbbf2afd7fac24372ae26e453f2b52d.patch'
    patch-inbuild-ipxe-gcc7-implicit-fallthrough-curses.patch::'https://github.com/ipxe/ipxe/commit/28e26dd2503e6006fabb26f8c33050ba93a99623.patch'
    patch-ipxe-patches-series.patch
    patch-gcc7-vtpm-implicit-fallthrough.patch
    patch-gcc7-vtpmmgr-make-inline-static.patch
    patch-gcc7-minios-udivmod.patch

    ## Files
    xen.install
    21_linux_xen_multiboot_arch
    efi-xen.cfg
    "$_pkgname.conf"
    "tmpfiles.d-$_pkgname.conf"

    ## XSA patches
)

if [[ "$_build_stubdom" == true ]]; then
    echo '#building with stubdom'
    source+=(
        http://xenbits.xen.org/xen-extfiles/lwip-1.3.0.tar.gz
        http://xenbits.xen.org/xen-extfiles/zlib-1.2.3.tar.gz
        http://xenbits.xen.org/xen-extfiles/newlib-1.16.0.tar.gz
        http://xenbits.xen.org/xen-extfiles/pciutils-2.2.9.tar.bz2
        http://xenbits.xen.org/xen-extfiles/polarssl-1.1.4-gpl.tgz
        http://xenbits.xen.org/xen-extfiles/grub-0.97.tar.gz
        http://xenbits.xen.org/xen-extfiles/tpm_emulator-0.7.4.tar.gz
        http://xenbits.xen.org/xen-extfiles/gmp-4.3.2.tar.bz2
        http://caml.inria.fr/pub/distrib/ocaml-3.11/ocaml-3.11.0.tar.gz
    )
fi


noextract=(
    "ipxe-git-$_git_tag_ipxe.tar.gz"
)

if [[ "$_build_stubdom" == true ]]; then
    noextract+=(
        lwip-1.3.0.tar.gz
        zlib-1.2.3.tar.gz
        newlib-1.16.0.tar.gz
        pciutils-2.2.9.tar.bz2
        polarssl-1.1.4-gpl.tgz
        grub-0.97.tar.gz
        tpm_emulator-0.7.4.tar.gz
        gmp-4.3.2.tar.bz2
        ocaml-3.11.0.tar.gz
    )
fi

validpgpkeys=('23E3222C145F4475FA8060A783FE14C957E82BD9')
#gpg --keyserver pgp.mit.edu --recv-key 23E3222C145F4475FA8060A783FE14C957E82BD9
sha256sums=(
    'cade643fe3310d4d6f97d0c215c6fa323bc1130d7e64d7e2043ffaa73a96f33b'
    'SKIP'
    '36deacb946c59ad1d6600f6e5b89d6a7a8961e65eb000900e184075920120f49'

    'SKIP'
    'SKIP'

    'd93c2d5bcdf0c3e4c6e8efb357cb4b9d618209025361f5ccd9d03651a8acd7a3'
    '5fb65130f96d1728368a09042e55f622c14117572030ce2141bff4ae150e4a01'
    'a853a38b8fd661d6b99979831cdae014cd23d831b57a90a467400660343f23f6'
    '81b93e8c9e0ecb0d8c0555892b27b7e6c39d961af33cdea53ac72070e3e741b2'
    #'a8ce42777e22af49080131e174b6b89c6e7597539838fb8b17a12280fd10b10b'
    '79d8ce76bdeb72a1583254f1fb80309e56428d7406a6605a5ec860dc5a1beb3d'
    'e042b0161d76ee9af7b113c46703dde2663f762d696f4290585be36d907e97a5'
    '2be4efb8be044c9b2459d09f5a6390fecb218ed4cb38964bce0674882817b91a'
    'db21442e38be53d342c7574c7c17fb8ce45e57c11dd1ad99e60641ea4061653b'
    '9135c1ca7aed28a86afc7a0feb2930bd95b4fabf865dd368e8912cc77d38fb33'
    '0ce9de822712e2b538dc144ba23b584970ac73b327277917b4afaa321c5b4b0c'
    '5727d42575dfac1870d235fab23b8a230857cfdf44372bc1d98bb6384b752367'
    'b6fa5bff89242719b20747d7eb197d0aeb59f8a89e841137f0b0cab17de20686'

    #pkgbuild files
    '330bcc5ab22e982d37495b57176d306353c220fec7c2b6c4a78a9133382a623e'
    '7fa619845874e1a596acc5fb43b921496fba3014e04f40b2af462c51b02656ee'
    '95f09bccc104d98c14559000823cb50f0d076f6a65b9f3b4e7725762b84ab5c7'
    '50a9b7fd19e8beb1dea09755f07318f36be0b7ec53d3c9e74f3266a63e682c0c'
    '40e0760810a49f925f2ae9f986940b40eba477dc6d3e83a78baaae096513b3cf'

    ## XSA patches
)


if [[ "$_build_stubdom" == true ]]; then
    sha256sums+=(
        #stubdom bits
        '772e4d550e07826665ed0528c071dd5404ef7dbe1825a38c8adbc2a00bca948f'
        '1795c7d067a43174113fdf03447532f373e1c6c57c08d61d9e4e9be5e244b05e'
        'db426394965c48c1d29023e1cc6d965ea6b9a9035d8a849be2750ca4659a3d07'
        'f60ae61cfbd5da1d849d0beaa21f593c38dac9359f0b3ddc612f447408265b24'
        '2d29fd04a0d0ba29dae6bd29fb418944c08d3916665dcca74afb297ef37584b6'
        '4e1d15d12dbd3e9208111d6b806ad5a9857ca8850c47877d36575b904559260b'
        '4e48ea0d83dd9441cc1af04ab18cd6c961b9fa54d5cbf2c2feee038988dea459'
        '936162c0312886c21581002b79932829aa048cfaf9937c6265aeaa14f1cd1775'
        'ecdd4f8473ab0dee5d3acb5c0a31a4c1dd6aa12179895cf1903dd0f455c43a4f'

        #stubdom patches
    )
fi

_xen_kconfig_debug=$(cat <<EOF
CONFIG_DEBUG=y
CONFIG_CRASH_DEBUG=y
EOF
)
_xen_kconfig_livepatch=$(cat <<EOF
CONFIG_LIVEPATCH=y
EOF
)

_makevars=(
    LANG=C
    PYTHON=python2
)

prepare() {
    cd "$_pkgname-$_pkgver/"

    ### Copy git sourced tools/firmware
    # move seabios into place
    mv --force "$srcdir/seabios" tools/firmware/seabios-dir-remote
    # move ovmf into place
    mv --force "$srcdir/ovmf" tools/firmware/ovmf-dir-remote

    ### Patching

    # XSA Patches
    echo 'XSA patches'
    # Security Patches - Base

    # Security Patches - qemu-xen-traditional
    cd 'tools/qemu-xen-traditional/'
    cd '../../'

    # Security Patches - qemu-xen (upstream)
    cd 'tools/qemu-xen/'
    cd '../../'


    # Compile Patches
    echo 'Compile patches'

    # Build EFI binary with mingw
    if [[ "$_binutils_efi" != true ]]; then
        if $(stat /usr/x86_64-w64-mingw32/bin/ld >/dev/null 2>&1); then
            #patch -Np1 -i "$srcdir/patch-build-efi-with-mingw.patch"
            sed -i.bak '/ EFI_LD/s/LD/LD_EFI/' xen/arch/x86/Makefile
            sed -i.bak 's/LD/LD_EFI/' xen/arch/x86/efi/Makefile
            sed -i.bak '/EFI_MOUNTPOINT .*/aLD_EFI ?= $(LD)' xen/Makefile
        else
            echo '#Not capable of building xen.efi. Need either:'
            echo '#(preferred) binutils compiled with --enable-targets=x86_64-pep'
            echo '#or install mingw-w64-binutils'
        fi
    fi

    # OVMF Compile support (Pulls from GIT repo, so patching to patch after pull request)
    patch -Np1 -i "$srcdir/patch-ovmf-use-python2.patch"
    patch -Np1 -i "$srcdir/patch-ovmf-apply-inbuild-patches.patch"
    mkdir -p tools/firmware/ovmf-patches
    patch -Np1 -i "$srcdir/patch-ovmf-patches-series.patch"
    cp "$srcdir"/patch-inbuild-ovmf*.patch tools/firmware/ovmf-patches/

    # Uncomment line below if you want to enable ATI Passthrough support (some reported successes, untested with 4.4)
    #patch -Np1 -i "$srcdir/ati-passthrough.patch"

    ## Fix fixed rundir paths
    ## grep -Rl '\/var\/run\/xen' * 2> /dev/null
    _var_run_fixed_paths=(
        tools/hotplug/Linux/locking.sh
        tools/xenmon/xenbaked.c
        tools/xenmon/xenmon.py
        tools/pygrub/src/pygrub
    )
    sed -i 's:/var/run:/run:' ${_var_run_fixed_paths[@]}

    ## Fix python version in shebang
    echo 'Fix python shebang to python2'
    _python_files=( $(grep -Rlse '^#!/usr/bin/.*python$' || : ) )
    sed -Ei 's|(^#!.*/usr/bin/(env ){0,1})python$|\1python2|' ${_python_files[@]}

    if [[ "$_build_stubdom" == true ]]; then
        # Copy supporting tarballs into place
        ln -s "$srcdir/lwip-1.3.0.tar.gz" stubdom/
        ln -s "$srcdir/zlib-1.2.3.tar.gz" stubdom/
        ln -s "$srcdir/newlib-1.16.0.tar.gz" stubdom/
        ln -s "$srcdir/pciutils-2.2.9.tar.bz2" stubdom/
        ln -s "$srcdir/polarssl-1.1.4-gpl.tgz" stubdom/
        ln -s "$srcdir/grub-0.97.tar.gz" stubdom/
        ln -s "$srcdir/tpm_emulator-0.7.4.tar.gz" stubdom/
        ln -s "$srcdir/gmp-4.3.2.tar.bz2" stubdom/
        ln -s "$srcdir/ocaml-3.11.0.tar.gz" stubdom/

        ## Stubdom patches
        cd 'extras/mini-os'
        patch -Np1 -i "$srcdir/patch-gcc7-minios-udivmod.patch"
        cd '../../'

        #vtpm
        patch -Np1 -i "$srcdir/patch-gcc7-vtpmmgr-make-inline-static.patch"
        patch -Np1 -i "$srcdir/patch-gcc7-vtpm-implicit-fallthrough.patch"
    fi

    #etherboot
    ln -s "$srcdir/ipxe-git-$_git_tag_ipxe.tar.gz" tools/firmware/etherboot/ipxe.tar.gz
    patch -Np1 -i "$srcdir/patch-ipxe-patches-series.patch"
    cp "$srcdir"/patch-inbuild-ipxe*.patch tools/firmware/etherboot/patches/
}

build() {
    cd "$_pkgname-$_pkgver/"
    export LD_EFI='/usr/x86_64-w64-mingw32/bin/ld'
    ./autogen.sh
    if [[ "$_build_stubdom" == true ]]; then
        _config_stubdom=(--enable-stubdom)
        _config_stubdom+=(
            #--enable-ioemu-stubdom=no
            #--enable-c-stubdom=no
            #--enable-caml-stubdom=no
            #--enable-pv-grub=no
            #--enable-xenstore-stubdom=no
            #--enable-vtpm-stubdom=no
            #--enable-vtpmmgr-stubdom=no
        )
    else
        _config_stubdom=(--disable-stubdom)
    fi
    _config_seabios=()
    if [[ "$_system_seabios" == true ]]; then
        _config_seabios=(--with-system-seabios=/usr/share/qemu/bios-256k.bin)
    fi
    _config_xen_kconfig=''
    _config_debug=()
    if [[ "$_build_debug" == true ]]; then
        _config_debug=(--enable-debug --enable-debug-tcg --enable-debug-info)
        _config_xen_kconfig+="\n$_xen_kconfig_debug"
        _makevars+=(debug=y CONFIG_DEBUG=y)
    fi
    if [[ "$_build_livepatch" == true ]]; then
        _config_xen_kconfig+="\n$_xen_kconfig_livepatch"
    fi
    if [[ -n "$_config_xen_kconfig" ]]; then
        cd xen
        echo -e "$_config_xen_kconfig" > .config
        make "${_makevars[@]}" olddefconfig V=1
        cd ../
    fi
    ./configure PYTHON=/usr/bin/python2 --prefix=/usr --sbindir=/usr/bin --with-sysconfig-leaf-dir=conf.d --with-rundir=/run \
        --enable-systemd --enable-ovmf \
        "${_config_seabios[@]}" \
        "${_config_stubdom[@]}" \
        "${_config_debug[@]}" \
        --with-extra-qemuu-configure-args='--disable-bluez --disable-gtk --enable-spice --enable-usb-redir'
        #--with-system-qemu --with-system-seabios --with-system-ovmf 
        #defaults --enable-qemu-traditional --enable-rombios \
    make "${_makevars[@]}" dist
    if [[ "$_build_livepatch" == true ]]; then
        make "${_makevars[@]}" build-tests
    fi
}

package_xen() {
    _makevars_package=("${_makevars[@]}" DESTDIR="$pkgdir")
    optdepends=(
        'xen-docs: Official Xen documentation'
        'openvswitch: Optional advanced networking support'
        'urlgrabber: Required for xenpvnetboot'
    )
    conflicts=(xen-{git,rc,igvtg,4.{5,6,7}} xenstore)
    provides=(xenstore)
    replaces=(xen-{git,rc,4.{5,6,7}})
    backup=(
        etc/conf.d/xen{domains,commons}
        "etc/$_pkgname/grub.conf"
        "etc/$_pkgname/oxenstored.conf"
        "etc/$_pkgname/xl.conf"
    )
    install="$_pkgname.install"

    cd "$_pkgname-$_pkgver/"

    make "${_makevars_package[@]}" install-xen
    make "${_makevars_package[@]}" install-tools
    if [[ "$_build_stubdom" == true ]]; then
        make "${_makevars_package[@]}" install-stubdom
    fi
    if [[ "$_build_livepatch" == true ]]; then
        make "${_makevars_package[@]}" install-tests
    fi

    cd "$pkgdir"

    # Install files from Parabola package
    install -Dm644 "$srcdir/tmpfiles.d-$_pkgname.conf" "usr/lib/tmpfiles.d/$_pkgname.conf"
    install -Dm755 "$srcdir/21_linux_xen_multiboot_arch" etc/grub.d/21_linux_xen_multiboot_arch
    install -Dm644 "$srcdir/efi-xen.cfg" etc/xen/efi-xen.cfg

    mkdir -p var/log/xen/console

    # Sanitize library path (if lib64 exists)
    if [[ -d usr/lib64 ]]; then
        cd usr/
        mv lib64/* lib/
        rmdir lib64
        cd ../
    fi

    # If EFI binaries built, move to /boot
    if [[ -f usr/lib/efi/xen.efi ]]; then
        mv usr/lib/efi/*.efi boot/
        rmdir usr/lib/efi
    fi

    # Remove syms
    find usr/lib/debug -type f \( -name '*-syms*' -or -name '*\.map' \) -delete
    rmdir --ignore-fail-on-non-empty usr/lib/debug

    # Remove hypervisor boot symlinks
    rm -f boot/xen{,-4{,.8,.9}}{,.{gz,efi}}

    # Documentation cleanup ( see xen-docs package )
    #rm -rf usr/share/doc
    #rm -rf usr/share/man

    # Remove tempdirs
    rmdir run/xen{,stored}
    rmdir run

    # Remove unnecessary qemu ELF support files
    # qemuu
    rm -f usr/share/qemu-xen/qemu/{palcode,openbios,s390}-*
    rm -f usr/share/qemu-xen/qemu/u-boot.e500
    # qemut 
    if [[ "$CARCH" == *'x86'* ]]; then
        rm -f usr/share/xen/qemu/openbios-*
    fi

    # adhere to Static Library Packaging Guidelines
    rm -rf usr/lib/*.a

    # Remove unneeded init.d files
    rm -rf etc/init.d
}

package_xen-docs(){
    _makevars_package=("${_makevars[@]}" DESTDIR="$pkgdir")
    pkgdesc='Xen virtual machine hypervisor documentation'
    arch=('any')
    depends=()
    cd "$_pkgname-$_pkgver/"
    make "${_makevars_package[@]}" install-docs
}

package_xen-syms(){
    _makevars_package=("${_makevars[@]}" DESTDIR="$pkgdir")
    pkgdesc='Xen virtual machine hypervisor debugging symbols'
    arch=('any')
    depends=()
    _installdir="${pkgdir}/usr/lib/debug"
    cd "$_pkgname-$_pkgver/"
    install -d -m0755 "$_installdir"
    for _path in $(find xen -type f \( -name '*-syms' -or -name '*\.map' \)); do
        _file=$(basename "$_path")
        _installfile=$(echo "$_file" |
                       sed "s/\([^.]*\)\(\.*\)/\1-${_pkgver}\2/" )
        install -D -m0644 -p "$_path" "$_installdir/$_installfile"
    done
}