path: root/kernels/linux-libre-aarch64/PKGBUILD

# Maintainer: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
# Feel free to push modifications or take over maintainership

# Based on the linux-libre package

_replacesarchkernel=('linux%') # '%' gets replaced with kernel suffix
_replacesoldkernels=() # '%' gets replaced with kernel suffix
_replacesoldmodules=() # '%' gets replaced with kernel suffix

pkgbase=linux-libre-aarch64
pkgver=5.4.8
pkgrel=1
pkgdesc='Linux-libre-aarch64'
rcnver=5.4.5
rcnrel=armv7-x13
url='https://linux-libre.fsfla.org/'
arch=(armv7h)
license=(GPL2)
makedepends=(
  bc kmod libelf
  xmlto python-sphinx python-sphinx_rtd_theme graphviz imagemagick
)
makedepends_armv7h=(uboot-tools vboot-utils dtc) # required by linux-libre-chromebook
makedepends+=('aarch64-linux-gnu-gcc-initial')
options=('!strip')
_srcname=linux-5.4
source=(
  "https://linux-libre.fsfla.org/pub/linux-libre/releases/${_srcname##*-}-gnu/linux-libre-${_srcname##*-}-gnu.tar.xz"{,.sign}
  "https://linux-libre.fsfla.org/pub/linux-libre/releases/$pkgver-gnu/patch-${_srcname##*-}-gnu-$pkgver-gnu.xz"{,.sign}
  "https://repo.parabola.nu/other/linux-libre/logos/logo_linux_"{clut224.ppm,vga16.ppm,mono.pbm}{,.sig}
  config.i686 config.x86_64 config.armv7h    # the main kernel config files
  linux-armv7h.preset                        # armv7h preset file for mkinitcpio ramdisk
  "kernel"{.its,.keyblock,_data_key.vbprivk} # files for signing Chromebooks kernels

  # maintain the TTY over USB disconnects
  # http://www.coreboot.org/EHCI_Gadget_Debug
  0001-usb-serial-gadget-no-TTY-hangup-on-USB-disconnect-WI.patch
  # fix Atmel maXTouch touchscreen support
  # https://labs.parabola.nu/issues/877
  # http://www.fsfla.org/pipermail/linux-libre/2015-November/003202.html
  0002-fix-Atmel-maXTouch-touchscreen-support.patch
  # extracted patches from Arch Linux kernel sources
  0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch
  0002-lib-devres-add-a-helper-function-for-ioremap_uc.patch
  0003-mfd-intel-lpss-Use-devm_ioremap_uc-for-MMIO.patch
  0004-PCI-pciehp-Do-not-disable-interrupt-twice-on-suspend.patch
  0005-PCI-pciehp-Prevent-deadlock-on-disconnect.patch
  0006-ACPI-PM-s2idle-Rework-ACPI-events-synchronization.patch
  0007-iwlwifi-pcie-restore-support-for-Killer-Qu-C0-NICs.patch
  0008-x86-intel-Disable-HPET-on-Intel-Ice-Lake-platforms.patch
  0009-drm-i915-save-AUD_FREQ_CNTRL-state-at-audio-domain-s.patch
  0010-drm-i915-Fix-audio-power-up-sequence-for-gen10-displ.patch
  0011-drm-i915-extend-audio-CDCLK-2-BCLK-constraint-to-mor.patch
  0012-drm-i915-gt-Detect-if-we-miss-WaIdleLiteRestore.patch
  0013-pinctrl-sunrisepoint-Add-missing-Interrupt-Status-re.patch
)
source_armv7h=(
  # RCN patch (CM3 firmware deblobbed and bloatware removed)
  "https://repo.parabola.nu/other/rcn-libre/patches/$rcnver/rcn-libre-$rcnver-$rcnrel.patch"{,.sig}
  # Arch Linux ARM patches
  0001-ARM-atags-add-support-for-Marvell-s-u-boot.patch
  0002-ARM-atags-fdt-retrieve-MAC-addresses-from-Marvell-bo.patch
  0003-SMILE-Plug-device-tree-file.patch
  0004-fix-mvsdio-eMMC-timing.patch
  0005-net-smsc95xx-Allow-mac-address-to-be-set-as-a-parame.patch
  0006-set-default-cubietruck-led-triggers.patch
  0007-exynos4412-odroid-set-higher-minimum-buck2-regulator.patch
  0008-ARM-dove-enable-ethernet-on-D3Plug.patch
  0009-USB-Armory-MkII-support.patch
)
validpgpkeys=(
  '474402C8C582DAFBE389C427BCB7CF877E7D47A7' # Alexandre Oliva
  '6DB9C4B4F0D8C0DC432CF6E4227CA7C556B2BA78' # David P.
)
sha512sums=('0d0915133864eb031adfc6700066147dcf3e768a50a31c39754950c95ef4fd322dc701cd50af49c403ef0325adfcb07e354d5e46c1be3dcdd719a7a55c963f37'
            'SKIP'
            '6cf4a01741eec4763e6bbb9762aafad815716f61d43b522da294cf8b2d2a1fc5228fffd710aa5e19aa4ffaa8e59b4ea37cfb987cb49d2cff064b8899b0558fba'
            'SKIP'
            '13cb5bc42542e7b8bb104d5f68253f6609e463b6799800418af33eb0272cc269aaa36163c3e6f0aacbdaaa1d05e2827a4a7c4a08a029238439ed08b89c564bb3'
            'SKIP'
            '7a3716bfe3b9f546da309c7492f3e08f8f506813afeb1c737a474c83313d5c313cf4582b65215c2cfce3b74d9d1021c96e8badafe8f6e5b01fe28d2b5c61ae78'
            'SKIP'
            '267295aa0cea65684968420c68b32f1a66a22d018b9d2b2c1ef14267bcf4cb68aaf7099d073cbfefe6c25c8608bdcbbd45f7ac8893fdcecbf1e621abdfe9ecc1'
            'SKIP'
            '4f0c8068f2532a60f3368ecc2147f6c33b19f934540655390751629b0981b1bf208f2ec563f5fcfbcf3537140bafd9ed0993cdc8f5b0b71914939d601afc4c29'
            'a923bb36ff24d3f2326b0b6bccb8cdfe2ed2ab2acdae17dfcaf9beb269995a52bfba751ad7e616544ef4b98dd9487a66fe04dae2ec2e7d724f8ac47382ee71bd'
            'b0dbc53ec688eae4ea92181fb7658361c2647b8f6271f145e35b36a93e5170ddc285ebd78c1218e239b4f551b8a4c75b6a9a8beff7367250b302d5900ad0cff5'
            'f01e7925b262d2874a8a991b1f27d057356a2a384d2012b61be5a631d4e4d7cf87461c8fb9e7f183831f5a829ad204897f1f0545a52df6288a0e04a5c2e31b96'
            '167bc73c6c1c63931806238905dc44c7d87c5a5c0f6293159f2133dfe717fb44081018d810675716d1605ec7dff5e8333b87b19e09e2de21d0448e447437873b'
            'bb6718984a7357c9b00c37e4788480e5b8b75018c172ecc1441bc3fc5d2d42444eb5d8c7f9d2e3a7d6fed6d03acb565e3c0559486e494c40a7fe6bd0570c9ede'
            '143dea30c6da00e504c99984a98a0eb2411f558fcdd9dfa7f607d6c14e9e7dffff9cb00121d9317044b07e3e210808286598c785ee854084b993ec9cb14d8232'
            '02af4dd2a007e41db0c63822c8ab3b80b5d25646af1906dc85d0ad9bb8bbf5236f8e381d7f91cf99ed4b0978c50aee37cb9567cdeef65b7ec3d91b882852b1af'
            'b8fe56e14006ab866970ddbd501c054ae37186ddc065bb869cf7d18db8c0d455118d5bda3255fb66a0dde38b544655cfe9040ffe46e41d19830b47959b2fb168'
            '19084ed74a127eaed636309d142fbac122a6593b2f10f42c70ef79663e318edd7d433fd268a88c036ce38545f7d2fb14a94fb903040ecbf16287b28073a59d32'
            '1c5e6e98dbfc2ec9512967aa9c746d7396df0dcc3b8dff38106a6097528b4bfdb60dd9aee7cd189fb710780fb3593dc173e4c348076dd1ae25c7870d41d53286'
            'dbd1a0dff6ac0f481b4879b44aef5cf6ca9d37383c95ec664094138261bcaab689b873f688f77a6df4f11145a4fb27a4b0676fae5eae16e0f3cbe1392acf1266'
            '51b47890987eca1def8019464eb41d3c32038fc4158f6a8e4f06adc2cb6567599fadd1835cb35d5edc7b144749ccafed0ad4f8ce4996edf2cf60fa5a46725f20'
            'a79a8900aae9ee2587cc7989b7e77215c63c0fc3bc75eb5ab0b50d378f6bb4072d46821514a97f81bd79498c6fb6ce97183110ccf7baa9b8434e560857f61611'
            'c94cfe2b0c9e02c020955f0315b6b61be51125f612ce50dff15d8a3bd8de2976a98df56283d0198f977570974c12b15219c457d2682927f8a0fd9344b3e324b6'
            '629012611c1100cc832121c1d53da9a414abfe638a8273488ca319229a66a706ad15d88cdfe3b1769a6176ba7df24fe585f794a502e20e9134730fcfe0341dc3'
            '809461f3c3e3ec6019b0cde26cf69dfb8f171c49cf8a95c59d4bc84cc331aad0c7f5c313844fb7c655cc54381d2737fb9cbedd4cd047c68b0bd217c480d6f7b0'
            '2165f7e671c61d43b7bb89c3edcf3cd4bf16a4e57eccd44f18eabeadeae250ed57fe0fd20efc101e11d49444edb3956db05f6fe7038b0ce1c3cca37f96795e1c'
            'ff457ff06c3ea8e2a67346eb728540985f8a0dc172e818d381e88a97917b9c34d5b7938e49b08ce76692123c623f941714b31bd07c1b65e60beaa7e2b7ae5af9'
            '277a8f3e9b0b015690ac82ef4e9c531d8e1a1ef2cb173ec73f807c649844623d1505f7f82d6b97134d1398e4a197586126d3df6c4925f40aaed7a60ed10c7986'
            '3499d257cce45e9abc6ae040bb8f38c76dce6f23c1986c4b753a44f32528671d7d24ddd230ab639eb23f9081624f986697c604e1bdb12a0e4b91ea60ce91ea01'
            'b17d58ea538af2f250dd3587323cb36e96fbd8c0d406792e5b7dc828c6bce25fdf5834185cb42e327450b74cd0821260d1f53a84057a3d72b004394d9393e19d')
sha512sums_armv7h=('bc449032f904b5ef5c4506124871230587dd72849f7fed1d7e9f6ab6f530c24415dfa0f29b27fa98191a671c9646b6066fbf163b5533774307dc68f610e3958f'
                   'SKIP'
                   'b576a9c40ba59485c350f71b9234d9e71f245e25b26382bd2f67019f3309c3b5705a6020eae0a9dfccacc763fb2056a5937c0a8ff4e64f99ba1d60f0b2acb03f'
                   '85a13a274d4cbaca3ddbe8eaf883f1a1184765f8d09d6d40bb32defbe0876cb0153513e8db8671d7fc053e383ced793b74245ff29364a760e1a52bb36ebc8e85'
                   'f9ce0bb4f06be6f742d8a31384e90fdab1a4686f14d5a8845e0c341dcfa62ae59db933237174223de9b32f9d91f99125c20ede7dff664755f1d42ea0cecdefdb'
                   'b32623904f984118ebdd8ec31816885d73776ed80a68fa23925e67451f28a8f080dd8545307bb2f857435894adfa8b3db7c8a99aa02b8b3f2b5f8e3223d98a47'
                   'd114f1e69504413e81dd67684f5b1ce69aa09d5bc768c7eee96a7d6b7ec47b32cd8f02593c878b0e9091475467de36a3d7c478e34a39148fa849548f53637b84'
                   'bc0c6b1726679498393be8d4c417c62e1f356fe5c617c71ff23532652fdd5f314e5bfc6172eaca79cd4806b81031bf2f879d7d1a6050ad4c616c04e6bdf93c2a'
                   'b13bea6412580325dba0d02cf0dc712e860f659569ffcb968aa4836fdb2882448cfee4659a675a70affccae02c8d2589d80b7239eef5ae7b615162aeaa76f3bb'
                   'cff59f974651614587313674455a968ae5390a5ca825d204f0e2f8de2b422d577b007f5297a398e2afeb33ed0d324d34ad58ff4cd56e645bd4ca9a6bdc1354c5'
                   '54adbec4b6b85cda901df7d2b3eb1f517f10d3528326e60c7afa4b49ccc7cfb43b0d1f574ceb5d7d03c94a0fbcc97c0ef785258292dd26ed46728355da27332c')
# While it is less elegant, it enables less work to do when migrating to
# newer kernels, as we can reuse the work done by Parabola, Arch Linux, and
# Arch Linux ARM.
# To make it more elegant and still easily maintainable, we would need to
# simplify the kenrel PKGBUILD, and upstream the patches, which requires more
# work, and access to the hardware that the patches apply to, to upstream such
# patches.
source+=(config.aarch64)
sha512sums+=('f93197f9e3f37d0343f710433a5f6346469ee06e62d850aca91776349e9154ddee22f534fd7501bb98024d30b338be1475482849f88e2e3ca0821e9f4d59fc19')

_replacesarchkernel=("${_replacesarchkernel[@]/\%/${pkgbase#linux-libre}}")
_replacesoldkernels=("${_replacesoldkernels[@]/\%/${pkgbase#linux-libre}}")
_replacesoldmodules=("${_replacesoldmodules[@]/\%/${pkgbase#linux-libre}}")

case "$CARCH" in
  i686|x86_64) KARCH=x86;;
  armv7h) KARCH=arm64;;
esac

export KBUILD_BUILD_HOST=parabola
export KBUILD_BUILD_USER=$pkgbase
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"

prepare() {
  cd $_srcname

  if [ "${_srcname##*-}" != "$pkgver" ]; then
    msg2 "Applying upstream patch..."
    patch -Np1 -i ../patch-${_srcname##*-}-gnu-$pkgver-gnu
  fi

  msg2 "Adding freedo as boot logo..."
  install -m644 -t drivers/video/logo \
    ../logo_linux_{clut224.ppm,vga16.ppm,mono.pbm}

  msg2 "Setting version..."
  scripts/setlocalversion --save-scmversion
  echo "-$pkgrel" > localversion.10-pkgrel
  echo "${pkgbase#linux-libre}" > localversion.20-pkgname

  if [ "$CARCH" = "armv7h" ]; then
    local src_armv7h
    for src_armv7h in "${source_armv7h[@]}"; do
      src_armv7h="${src_armv7h%%::*}"
      src_armv7h="${src_armv7h##*/}"
      [[ $src_armv7h = *.patch ]] || continue
      msg2 "Applying patch $src_armv7h..."
      patch -Np1 < "../$src_armv7h"
    done
  fi

  local src
  for src in "${source[@]}"; do
    src="${src%%::*}"
    src="${src##*/}"
    [[ $src = *.patch ]] || continue
    msg2 "Applying patch $src..."
    patch -Np1 < "../$src"
  done

  msg2 "Setting config..."
  cp ../config.aarch64 .config
  make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- olddefconfig

  make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- -s kernelrelease > version
  msg2 "Prepared %s version %s" "$pkgbase" "$(<version)"
}

build() {
  cd $_srcname
  if [ "$CARCH" = "armv7h" ]; then
    make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- Image Image.gz modules htmldocs dtbs
  else
    make bzImage modules htmldocs
  fi
}

_package() {
  pkgdesc="The $pkgdesc kernel and modules"
  depends=(coreutils kmod initramfs)
  optdepends=('crda: to set the correct wireless channels of your country'
              'linux-libre-firmware: firmware images needed for some devices')
  provides=("${_replacesarchkernel[@]/%/=$pkgver}" "LINUX-ABI_VERSION=$pkgver")
  conflicts=("${_replacesarchkernel[@]}" "${_replacesoldkernels[@]}" "${_replacesoldmodules[@]}")
  replaces=("${_replacesarchkernel[@]}" "${_replacesoldkernels[@]}" "${_replacesoldmodules[@]}")

  cd $_srcname
  local kernver="$(<version)"
  local modulesdir="$pkgdir/usr/lib/modules/$kernver"

  msg2 "Installing boot image..."
  if [ "$CARCH" = "armv7h" ]; then
    make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- INSTALL_DTBS_PATH="$pkgdir/boot/dtbs/$pkgbase" dtbs_install
  fi
  # systemd expects to find the kernel here to allow hibernation
  # https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
  install -Dm644 "$(make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- -s image_name)" "$modulesdir/vmlinuz"

  # Used by mkinitcpio to name the kernel
  echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"

  msg2 "Installing modules..."
  make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- INSTALL_MOD_PATH="$pkgdir/usr" modules_install

  # remove build and source links
  rm "$modulesdir"/{source,build}

  # armv7h presets only work with ALL_kver=$kernver
  if [ "$CARCH" = "armv7h" ]; then
    backup=("etc/mkinitcpio.d/$pkgbase.preset")

    msg2 "Installing mkinitcpio preset..."
    sed "s|%PKGBASE%|$pkgbase|g;s|%KERNVER%|$kernver|g" ../linux-armv7h.preset \
      | install -Dm644 /dev/stdin "$pkgdir/etc/mkinitcpio.d/$pkgbase.preset"
  fi

  msg2 "Fixing permissions..."
  chmod -Rc u=rwX,go=rX "$pkgdir"
}

_package-headers() {
  pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
  provides=("${_replacesarchkernel[@]/%/-headers=$pkgver}")
  conflicts=("${_replacesarchkernel[@]/%/-headers}" "${_replacesoldkernels[@]/%/-headers}")
  replaces=("${_replacesarchkernel[@]/%/-headers}" "${_replacesoldkernels[@]/%/-headers}")

  cd $_srcname
  local builddir="$pkgdir/usr/lib/modules/$(<version)/build"

  msg2 "Installing build files..."
  install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map \
    localversion.* version vmlinux
  install -Dt "$builddir/kernel" -m644 kernel/Makefile
  install -Dt "$builddir/arch/$KARCH" -m644 arch/$KARCH/Makefile
  if [[ $CARCH = i686 ]]; then
    install -Dt "$builddir/arch/$KARCH" -m644 arch/$KARCH/Makefile_32.cpu
  fi
  cp -t "$builddir" -a scripts

  # add objtool for external module building and enabled VALIDATION_STACK option
  if [[ -e tools/objtool/objtool ]]; then
    install -Dt "$builddir/tools/objtool" tools/objtool/objtool
  fi

  # add xfs and shmem for aufs building
  mkdir -p "$builddir"/{fs/xfs,mm}

  msg2 "Installing headers..."
  cp -t "$builddir" -a include
  cp -t "$builddir/arch/$KARCH" -a arch/$KARCH/include
  install -Dt "$builddir/arch/$KARCH/kernel" -m644 arch/$KARCH/kernel/asm-offsets.s

  install -Dt "$builddir/drivers/md" -m644 drivers/md/*.h
  install -Dt "$builddir/net/mac80211" -m644 net/mac80211/*.h

  # http://bugs.archlinux.org/task/13146
  install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h

  # http://bugs.archlinux.org/task/20402
  install -Dt "$builddir/drivers/media/usb/dvb-usb" -m644 drivers/media/usb/dvb-usb/*.h
  install -Dt "$builddir/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/*.h
  install -Dt "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h

  msg2 "Installing KConfig files..."
  find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;

  msg2 "Removing unneeded architectures..."
  local arch
  for arch in "$builddir"/arch/*/; do
    [[ $arch = */$KARCH/ ]] && continue
    echo "Removing $(basename "$arch")"
    rm -r "$arch"
  done

  msg2 "Removing documentation..."
  rm -r "$builddir/Documentation"

  # Parabola changes
  # 
  # since we don't want to diverge too much from Arch's PKGBUILD, we'll
  # start marking our changes as such
  if [ "$KARCH" = "arm" ]; then
    for i in dove exynos omap2; do
      mkdir -p "$pkgdir/usr/lib/modules/$kernver/build/arch/$KARCH/mach-$i"
      cp -a arch/$KARCH/mach-$i/include "$pkgdir/usr/lib/modules/$kernver/build/arch/$KARCH/mach-$i/"
    done
    for i in omap orion samsung versatile; do
      mkdir -p "$pkgdir/usr/lib/modules/$kernver/build/arch/$KARCH/plat-$i"
      cp -a arch/$KARCH/plat-$i/include "$pkgdir/usr/lib/modules/$kernver/build/arch/$KARCH/plat-$i/"
    done
  fi
  # end of Parabola changes

  msg2 "Removing broken symlinks..."
  find -L "$builddir" -type l -printf 'Removing %P\n' -delete

  msg2 "Removing loose objects..."
  find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete

  msg2 "Stripping build tools..."
  local file
  while read -rd '' file; do
    case "$(file -bi "$file")" in
      application/x-sharedlib\;*)      # Libraries (.so)
        strip -v $STRIP_SHARED "$file" ;;
      application/x-archive\;*)        # Libraries (.a)
        strip -v $STRIP_STATIC "$file" ;;
      application/x-executable\;*)     # Binaries
        strip -v $STRIP_BINARIES "$file" ;;
      application/x-pie-executable\;*) # Relocatable binaries
        strip -v $STRIP_SHARED "$file" ;;
    esac
  done < <(find "$builddir" -type f -perm -u+x ! -name vmlinux -print0)

  msg2 "Adding symlink..."
  mkdir -p "$pkgdir/usr/src"
  ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"

  msg2 "Fixing permissions..."
  chmod -Rc u=rwX,go=rX "$pkgdir"
}

_package-docs() {
  pkgdesc="Documentation for the $pkgdesc kernel"
  provides=("${_replacesarchkernel[@]/%/-docs=$pkgver}")
  conflicts=("${_replacesarchkernel[@]/%/-docs}" "${_replacesoldkernels[@]/%/-docs}")
  replaces=("${_replacesarchkernel[@]/%/-docs}" "${_replacesoldkernels[@]/%/-docs}")

  cd $_srcname
  local builddir="$pkgdir/usr/lib/modules/$(<version)/build"

  msg2 "Installing documentation..."
  local src dst
  while read -rd '' src; do
    dst="${src#Documentation/}"
    dst="$builddir/Documentation/${dst#output/}"
    install -Dm644 "$src" "$dst"
  done < <(find Documentation -name '.*' -prune -o ! -type d -print0)

  msg2 "Adding symlink..."
  mkdir -p "$pkgdir/usr/share/doc"
  ln -sr "$builddir/Documentation" "$pkgdir/usr/share/doc/$pkgbase"

  msg2 "Fixing permissions..."
  chmod -Rc u=rwX,go=rX "$pkgdir"
}

pkgname=("$pkgbase" "$pkgbase-headers" "$pkgbase-docs")
for _p in "${pkgname[@]}"; do
  eval "package_$_p() {
    $(declare -f "_package${_p#$pkgbase}")
    _package${_p#$pkgbase}
  }"
done

# vim:set ts=8 sts=2 sw=2 et: