PKGBUILD

# Maintainer: Philip Müller <philm[at]manjaro[dot]org>
# Maintainer: Helmut Stult <helmut[at]manjaro[dot]org>

# Arch credits:
# Tobias Powalowski <tpowa@archlinux.org>
# Thomas Baechler <thomas@archlinux.org>

pkgbase=linux57-mbp
pkgname=('linux57-mbp' 'linux57-mbp-headers' 'linux57-mbp-docs')
_kernelname=-MANJARO-mbp
_basekernel=5.7
_basever=57
_aufs=20200622
pkgver=5.7.9
pkgrel=2
arch=('x86_64')
url="http://www.kernel.org/"
license=('GPL2')
makedepends=('bc'
    'docbook-xsl'
    'elfutils'
    'git'
    'inetutils'
    'kmod'
    'xmlto')
options=('!strip')
source=("https://www.kernel.org/pub/linux/kernel/v5.x/linux-${_basekernel}.tar.xz"
        "https://www.kernel.org/pub/linux/kernel/v5.x/patch-${pkgver}.xz"
        # the main kernel config files
        'config' 'config.aufs'
        # AUFS Patches
        "aufs5.x-rcN-${_aufs}.patch" 'aufs5-base.patch'
        'aufs5-kbuild.patch'
        'aufs5-loopback.patch'
        'aufs5-mmap.patch'
        'aufs5-standalone.patch'
        'tmpfs-idr.patch'
        'vfs-ino.patch'
        # ARCH Patches
        '0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-CLONE_NEWUSER.patch'
        '0001-virt-vbox-Add-support-for-the-new-VBG_IOCTL_ACQUIRE_GUEST_CAPABILITIES-ioctl.patch'
        '0001-iwlwifi-Make-some-Killer-Wireless-AC-1550-cards-working-again.patch'
        '0001-pci-edr-log-only-ACPI_NOTIFY_DISCONNECT_RECOVER-events.patch'
        # MANJARO Patches
        '0001-i2c-nuvoton-nc677x-hwmon-driver.patch'
        '0001-iomap-iomap_bmap-should-accept-unwritten-maps.patch'
        '0001-futex.patch'
        '0001-apparmor-patch-to-provide-compatibility-with-v2-net-rules.patch'
        '0002-apparmor-af_unix-mediation.patch'
        '0003-apparmor-fix-use-after-free-in-sk_peer_label.patch'
        '0004-apparmor-fix-apparmor-mediating-locking-non-fs-unix-sockets.patch'
        # Bootsplash
        '0001-bootsplash.patch'
        '0002-bootsplash.patch'
        '0003-bootsplash.patch'
        '0004-bootsplash.patch'
        '0005-bootsplash.patch'
        '0006-bootsplash.patch'
        '0007-bootsplash.patch'
        '0008-bootsplash.patch'
        '0009-bootsplash.patch'
        '0010-bootsplash.patch'
        '0011-bootsplash.patch'
        '0012-bootsplash.patch'
        '0013-bootsplash.patch'
	#mbp
	'2001-drm-amd-display-Force-link_rate-as-LINK_RATE_RBR2-fo.patch'
	'3001-applesmc-convert-static-structures-to-drvdata.patch'
	'3002-applesmc-make-io-port-base-addr-dynamic.patch'
	'3003-applesmc-switch-to-acpi_device-from-platform.patch'
	'3004-applesmc-key-interface-wrappers.patch'
	'3005-applesmc-basic-mmio-interface-implementation.patch'
	'3006-applesmc-fan-support-on-T2-Macs.patch'
	'4001-touchpad.patch'
	'4002-keyboard-backlight.patch'
	'5001-brcmfmac-move-brcmf_mp_device-into-its-own-header.patch'
	'5002-brcmfmac-Add-ability-to-manually-specify-FW-rambase-.patch'
    '6001-media-uvcvideo-Add-support-for-Apple-T2-attached-iSi.patch'
    '7001-drm-i915-fbdev-Discard-BIOS-framebuffers-exceeding-h.patch'
	'sphinx-workaround.patch'
	'wifi.patch')
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prepare() {
  cd "${srcdir}/linux-${_basekernel}"

  # add upstream patch
  msg "add upstream patch"
  patch -p1 -i "${srcdir}/patch-${pkgver}"

  # add latest fixes from stable queue, if needed
  # http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git
  # enable only if you have "gen-stable-queue-patch.sh" executed before
  #patch -Np1 -i "${srcdir}/prepatch-${_basekernel}.patch"

  # disable USER_NS for non-root users by default
  msg2 "PATCH: 0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-CLONE_NEWUSER"
  patch -Np1 -i "${srcdir}/0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-CLONE_NEWUSER.patch"

  # other fixes by Arch
  patch -Np1 -i "${srcdir}/0001-virt-vbox-Add-support-for-the-new-VBG_IOCTL_ACQUIRE_GUEST_CAPABILITIES-ioctl.patch"
  patch -Np1 -i "${srcdir}/0001-iwlwifi-Make-some-Killer-Wireless-AC-1550-cards-working-again.patch"
  patch -Np1 -i "${srcdir}/0001-pci-edr-log-only-ACPI_NOTIFY_DISCONNECT_RECOVER-events.patch"

  # add patches for snapd
  # https://gitlab.com/apparmor/apparmor-kernel/tree/5.2-outoftree
  msg "add patches for snapd"
  msg2 "0001-apparmor-patch-to-provide-compatibility-with-v2-net-rules"
  patch -Np1 -i "${srcdir}/0001-apparmor-patch-to-provide-compatibility-with-v2-net-rules.patch"
  msg2 "0002-apparmor-af_unix-mediation"
  patch -Np1 -i "${srcdir}/0002-apparmor-af_unix-mediation.patch"
  msg2 "0003-apparmor-fix-use-after-free-in-sk_peer_label"
  patch -Np1 -i "${srcdir}/0003-apparmor-fix-use-after-free-in-sk_peer_label.patch"
  msg2 "0004-apparmor-fix-apparmor-mediating-locking-non-fs-unix-sockets"
  patch -Np1 -i "${srcdir}/0004-apparmor-fix-apparmor-mediating-locking-non-fs-unix-sockets.patch"

  msg "nuvoton hwmon driver patch"
  # https://twitter.com/vskye11/status/1216240051639791616
  patch -Np1 -i '../0001-i2c-nuvoton-nc677x-hwmon-driver.patch'

  # futex patch, https://lore.kernel.org/lkml/20200612185122.327860-1-andrealmeid@collabora.com/
  msg2 "0001-futex.patch"
  patch -Np1 -i "${srcdir}/0001-futex.patch"

  # Add bootsplash - http://lkml.iu.edu/hypermail/linux/kernel/1710.3/01542.html
  msg "Add bootsplash"
  msg2 "0001-bootsplash."
  patch -Np1 -i "${srcdir}/0001-bootsplash.patch"
  msg2 "0002-bootsplash"
  patch -Np1 -i "${srcdir}/0002-bootsplash.patch"
  msg2 "0003-bootsplash"
  patch -Np1 -i "${srcdir}/0003-bootsplash.patch"
  msg2 "0004-bootsplash"
  patch -Np1 -i "${srcdir}/0004-bootsplash.patch"
  msg2 "0005-bootsplash"
  patch -Np1 -i "${srcdir}/0005-bootsplash.patch"
  msg2 "0006-bootsplash"
  patch -Np1 -i "${srcdir}/0006-bootsplash.patch"
  msg2 "0007-bootsplash"
  patch -Np1 -i "${srcdir}/0007-bootsplash.patch"
  msg2 "0008-bootsplash"
  patch -Np1 -i "${srcdir}/0008-bootsplash.patch"
  msg2 "0009-bootsplash"
  patch -Np1 -i "${srcdir}/0009-bootsplash.patch"
  msg2 "0010-bootsplash."
  patch -Np1 -i "${srcdir}/0010-bootsplash.patch"
  msg2 "0011-bootsplash"
  patch -Np1 -i "${srcdir}/0011-bootsplash.patch"
  msg2 "0012-bootsplash"
  patch -Np1 -i "${srcdir}/0012-bootsplash.patch"
  # use git-apply to add binary files
  msg2 "0013-bootsplash"
  git apply -p1 < "${srcdir}/0013-bootsplash.patch"

  # add aufs5 support
  msg "add aufs5 support"
  msg2 "aufs5.x-rcN-${_aufs}"
  patch -Np1 -i "${srcdir}/aufs5.x-rcN-${_aufs}.patch"
  msg2 "aufs5-base"
  patch -Np1 -i "${srcdir}/aufs5-base.patch"
  msg2 "aufs5-kbuild"
  patch -Np1 -i "${srcdir}/aufs5-kbuild.patch"
  msg2 "aufs5-loopback"
  patch -Np1 -i "${srcdir}/aufs5-loopback.patch"
  msg2 "aufs5-mmap"
  patch -Np1 -i "${srcdir}/aufs5-mmap.patch"
  msg2 "aufs5-standalone"
  patch -Np1 -i "${srcdir}/aufs5-standalone.patch"
  msg2 "tmpfs-idr"
  patch -Np1 -i "${srcdir}/tmpfs-idr.patch"
  msg2 "vfs-ino"
  patch -Np1 -i "${srcdir}/vfs-ino.patch"

    #add mbp support
  msg "add mbp support"
  msg2 "drm-amd-display-force-link-rate"
  patch -Np1 -i "${srcdir}/2001-drm-amd-display-Force-link_rate-as-LINK_RATE_RBR2-fo.patch"
  msg2 "applesmc-convert-static-structures-to-drvdata"
  patch -Np1 -i "${srcdir}/3001-applesmc-convert-static-structures-to-drvdata.patch"
  msg2 "applesmc-switch-to-acpi-device-from-platform"
  patch -Np1 -i "${srcdir}/3002-applesmc-make-io-port-base-addr-dynamic.patch"
  msg2 "applesmc-switch-to-acpi_device-from-platform"
  patch -Np1 -i "${srcdir}/3003-applesmc-switch-to-acpi_device-from-platform.patch"
  msg2 "applesmc-key-interface-wrappers"
  patch -Np1 -i "${srcdir}/3004-applesmc-key-interface-wrappers.patch"
  msg2 "applesmc-basic-mmio-interface-implementation"
  patch -Np1 -i "${srcdir}/3005-applesmc-basic-mmio-interface-implementation.patch"
  msg2 "applesmc-fan-support-on-T2-Macs"
  patch -Np1 -i "${srcdir}/3006-applesmc-fan-support-on-T2-Macs.patch"
  msg2 "touchpad"
  patch -Np1 -i "${srcdir}/4001-touchpad.patch"
  msg2 "keyboard-backlight"
  patch -Np1 -i "${srcdir}/4002-keyboard-backlight.patch"
  msg2 "brcmfmac-move-brcmf_mp_device-into-its-own-header"
  patch -Np1 -i "${srcdir}/5001-brcmfmac-move-brcmf_mp_device-into-its-own-header.patch"
  msg2 "brcmfmac-Add-ability-to-manually-specify-FW-rambase"
  patch -Np1 -i "${srcdir}/5002-brcmfmac-Add-ability-to-manually-specify-FW-rambase-.patch"
  msg2 "media-uvcvideo-Add-support-for-Apple-T2-attached-iSi"
  patch -Np1 -i "${srcdir}/6001-media-uvcvideo-Add-support-for-Apple-T2-attached-iSi.patch"
  msg2 "drm-i915-fbdev-Discard-BIOS-framebuffers-exceeding-h.patch"
  patch -Np1 -i "${srcdir}/7001-drm-i915-fbdev-Discard-BIOS-framebuffers-exceeding-h.patch"
  msg2 "sphinx-workaround"
  patch -Np1 -i "${srcdir}/sphinx-workaround.patch"
  msg2 "wifi"
  patch -Np1 -i "${srcdir}/wifi.patch"

  cat "${srcdir}/config" > ./.config

  cat "${srcdir}/config.aufs" >> ./.config

  if [ "${_kernelname}" != "" ]; then
    sed -i "s|CONFIG_LOCALVERSION=.*|CONFIG_LOCALVERSION=\"${_kernelname}\"|g" ./.config
    sed -i "s|CONFIG_LOCALVERSION_AUTO=.*|CONFIG_LOCALVERSION_AUTO=n|" ./.config
  fi

  msg "set extraversion to pkgrel"
  sed -ri "s|^(EXTRAVERSION =).*|\1 -${pkgrel}|" Makefile

  msg "don't run depmod on 'make install'"
  # We'll do this ourselves in packaging
  sed -i '2iexit 0' scripts/depmod.sh

  msg "get kernel version"
  make prepare

  # load configuration
  # Configure the kernel. Replace the line below with one of your choice.
  #make menuconfig # CLI menu for configuration
  #make nconfig # new CLI menu for configuration
  #make xconfig # X-based configuration
  #make oldconfig # using old config from previous kernel version
  # ... or manually edit .config

  msg "rewrite configuration"
  yes "" | make config >/dev/null
}

build() {
  cd "${srcdir}/linux-${_basekernel}"

  msg "build"
  make ${MAKEFLAGS} LOCALVERSION= bzImage modules
}

package_linux57-mbp() {
  pkgdesc="The ${pkgbase/linux/Linux} kernel and modules"
  depends=('coreutils' 'linux-firmware' 'kmod' 'mkinitcpio>=27')
  optdepends=('crda: to set the correct wireless channels of your country')
  provides=("linux=${pkgver}" VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE)

  cd "${srcdir}/linux-${_basekernel}"

  KARCH=x86

  # get kernel version
  _kernver="$(make LOCALVERSION= kernelrelease)"

  mkdir -p "${pkgdir}"/{boot,usr/lib/modules}
  make LOCALVERSION= INSTALL_MOD_PATH="${pkgdir}/usr" INSTALL_MOD_STRIP=1 modules_install

  # systemd expects to find the kernel here to allow hibernation
  # https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
  cp arch/$KARCH/boot/bzImage "${pkgdir}/usr/lib/modules/${_kernver}/vmlinuz"

  # Used by mkinitcpio to name the kernel
  echo "${pkgbase}" | install -Dm644 /dev/stdin "${pkgdir}/usr/lib/modules/${_kernver}/pkgbase"
  echo "${_basekernel}-${CARCH}-mbp" | install -Dm644 /dev/stdin "${pkgdir}/usr/lib/modules/${_kernver}/kernelbase"

  # add kernel version
  echo "${pkgver}-${pkgrel}-MANJARO-mbp x64" > "${pkgdir}/boot/${pkgbase}-${CARCH}.kver"

  # make room for external modules
  local _extramodules="extramodules-${_basekernel}${_kernelname:--MANJARO-mbp}"
  ln -s "../${_extramodules}" "${pkgdir}/usr/lib/modules/${_kernver}/extramodules"

  # add real version for building modules and running depmod from hook
  echo "${_kernver}" |
    install -Dm644 /dev/stdin "${pkgdir}/usr/lib/modules/${_extramodules}/version"

  # remove build and source links
  rm "${pkgdir}"/usr/lib/modules/${_kernver}/{source,build}

  # now we call depmod...
  depmod -b "${pkgdir}/usr" -F System.map "${_kernver}"

  # add vmlinux
  install -Dt "${pkgdir}/usr/lib/modules/${_kernver}/build" -m644 vmlinux
}

package_linux57-mbp-headers() {
  pkgdesc="Header files and scripts for building modules for ${pkgbase/linux/Linux} kernel"
  provides=("linux-headers=$pkgver")

  cd "${srcdir}/linux-${_basekernel}"
  local _builddir="${pkgdir}/usr/lib/modules/${_kernver}/build"

  install -Dt "${_builddir}" -m644 Makefile .config Module.symvers
  install -Dt "${_builddir}/kernel" -m644 kernel/Makefile

  mkdir "${_builddir}/.tmp_versions"

  cp -t "${_builddir}" -a include scripts

  install -Dt "${_builddir}/arch/${KARCH}" -m644 "arch/${KARCH}/Makefile"
  install -Dt "${_builddir}/arch/${KARCH}/kernel" -m644 "arch/${KARCH}/kernel/asm-offsets.s"
  #install -Dt "${_builddir}/arch/${KARCH}/kernel" -m644 "arch/${KARCH}/kernel/macros.s"

  cp -t "${_builddir}/arch/${KARCH}" -a "arch/${KARCH}/include"

  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

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

  # copy in Kconfig files
  find . -name Kconfig\* -exec install -Dm644 {} "${_builddir}/{}" \;

  # add objtool for external module building and enabled VALIDATION_STACK option
  install -Dt "${_builddir}/tools/objtool" tools/objtool/objtool

  # remove unneeded architectures
  local _arch
  for _arch in "${_builddir}"/arch/*/; do
    [[ ${_arch} == */x86/ ]] && continue
    rm -r "${_arch}"
  done

  # remove files already in linux-docs package
  rm -r "${_builddir}/Documentation"

  # Fix permissions
  chmod -R u=rwX,go=rX "${_builddir}"

  # strip scripts directory
  local _binary _strip
  while read -rd '' _binary; do
    case "$(file -bi "${_binary}")" in
      *application/x-sharedlib*)  _strip="${STRIP_SHARED}"   ;; # Libraries (.so)
      *application/x-archive*)    _strip="${STRIP_STATIC}"   ;; # Libraries (.a)
      *application/x-executable*) _strip="${STRIP_BINARIES}" ;; # Binaries
      *) continue ;;
    esac
    /usr/bin/strip ${_strip} "${_binary}"
  done < <(find "${_builddir}/scripts" -type f -perm -u+w -print0 2>/dev/null)
}

package_linux57-mbp-docs() {
  pkgdesc="Documentation for the $pkgdesc kernel"

  cd "${srcdir}/linux-${_basekernel}"
  local builddir="$pkgdir/usr/lib/modules/$(<version)/build"

  echo "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)

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

_server=cpx51