From d5b5a5e397f5d430439193869bd3dda5c674f34f Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Thu, 20 Apr 2023 21:31:36 +0300
Subject: Import linux-aarch64 PKGBUILD as baseline

---
 linux-mnt-pocket-reform/PKGBUILD | 236 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 236 insertions(+)
 create mode 100644 linux-mnt-pocket-reform/PKGBUILD

diff --git a/linux-mnt-pocket-reform/PKGBUILD b/linux-mnt-pocket-reform/PKGBUILD
new file mode 100644
index 0000000..374820d
--- /dev/null
+++ b/linux-mnt-pocket-reform/PKGBUILD
@@ -0,0 +1,236 @@
+# AArch64 multi-platform
+# Maintainer: Kevin Mihelich <kevin@archlinuxarm.org>
+
+buildarch=8
+
+pkgbase=linux-aarch64
+_srcname=linux-6.2
+_kernelname=${pkgbase#linux}
+_desc="AArch64 multi-platform"
+pkgver=6.2.10
+pkgrel=1
+arch=('aarch64')
+url="http://www.kernel.org/"
+license=('GPL2')
+makedepends=('xmlto' 'docbook-xsl' 'kmod' 'inetutils' 'bc' 'git' 'uboot-tools' 'vboot-utils' 'dtc')
+options=('!strip')
+source=("http://www.kernel.org/pub/linux/kernel/v6.x/${_srcname}.tar.xz"
+        "http://www.kernel.org/pub/linux/kernel/v6.x/patch-${pkgver}.xz"
+        '0001-net-smsc95xx-Allow-mac-address-to-be-set-as-a-parame.patch'
+        '0002-arm64-dts-rockchip-disable-pwm0-on-rk3399-firefly.patch'
+        'config'
+        'generate_chromebook_its.sh'
+        'kernel.keyblock'
+        'kernel_data_key.vbprivk'
+        'linux.preset'
+        '60-linux.hook'
+        '90-linux.hook')
+md5sums=('787862593d7bf354cf1a5c37e21fc147'
+         'e0221ea0e6eeb147c29d2fd72e987ed5'
+         '7b08a199a97e3e2288e5c03d8e8ded2d'
+         'c9d4e392555b77034e24e9f87c5ff0b3'
+         'f1379ae267804a7820963dd0527f11a8'
+         '7c97cf141750ad810235b1ad06eb9f75'
+         '61c5ff73c136ed07a7aadbf58db3d96a'
+         '584777ae88bce2c5659960151b64c7d8'
+         '41cb5fef62715ead2dd109dbea8413d6'
+         '0a5f16bfec6ad982a2f6782724cca8ba'
+         '3dc88030a8f2f5a5f97266d99b149f77')
+
+prepare() {
+  cd $_srcname
+
+  echo "Setting version..."
+  scripts/setlocalversion --save-scmversion
+  echo "-$pkgrel" > localversion.10-pkgrel
+  echo "${pkgbase#linux}" > localversion.20-pkgname
+
+  # add upstream patch
+  git apply --whitespace=nowarn ../patch-${pkgver}
+
+  # ALARM patches
+  git apply ../0001-net-smsc95xx-Allow-mac-address-to-be-set-as-a-parame.patch
+  git apply ../0002-arm64-dts-rockchip-disable-pwm0-on-rk3399-firefly.patch
+
+  cat "${srcdir}/config" > ./.config
+}
+
+build() {
+  cd ${_srcname}
+
+  # get kernel version
+  make prepare
+  make -s kernelrelease > version
+
+  # build!
+  unset LDFLAGS
+  make ${MAKEFLAGS} Image Image.gz modules
+  # Generate device tree blobs with symbols to support applying device tree overlays in U-Boot
+  make ${MAKEFLAGS} DTC_FLAGS="-@" dtbs
+}
+
+_package() {
+  pkgdesc="The Linux Kernel and modules - ${_desc}"
+  depends=('coreutils' 'linux-firmware' 'kmod' 'mkinitcpio>=0.7')
+  optdepends=('wireless-regdb: to set the correct wireless channels of your country')
+  provides=("linux=${pkgver}" "WIREGUARD-MODULE")
+  conflicts=('linux')
+  backup=("etc/mkinitcpio.d/${pkgbase}.preset")
+  install=${pkgname}.install
+
+  cd $_srcname
+  local kernver="$(<version)"
+  local modulesdir="$pkgdir/usr/lib/modules/$kernver"
+
+  echo "Installing boot image and dtbs..."
+  install -Dm644 arch/arm64/boot/Image{,.gz} -t "${pkgdir}/boot"
+  make INSTALL_DTBS_PATH="${pkgdir}/boot/dtbs" dtbs_install
+
+  echo "Installing modules..."
+  make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 modules_install
+
+  # remove build and source links
+  rm "$modulesdir"/{source,build}
+
+  # sed expression for following substitutions
+  local _subst="
+    s|%PKGBASE%|${pkgbase}|g
+    s|%KERNVER%|${kernver}|g
+  "
+
+  # install mkinitcpio preset file
+  sed "${_subst}" ../linux.preset |
+    install -Dm644 /dev/stdin "${pkgdir}/etc/mkinitcpio.d/${pkgbase}.preset"
+
+  # install pacman hooks
+  sed "${_subst}" ../60-linux.hook |
+    install -Dm644 /dev/stdin "${pkgdir}/usr/share/libalpm/hooks/60-${pkgbase}.hook"
+  sed "${_subst}" ../90-linux.hook |
+    install -Dm644 /dev/stdin "${pkgdir}/usr/share/libalpm/hooks/90-${pkgbase}.hook"
+}
+
+_package-headers() {
+  pkgdesc="Header files and scripts for building modules for linux kernel - ${_desc}"
+  provides=("linux-headers=${pkgver}")
+  conflicts=('linux-headers')
+
+  cd $_srcname
+  local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
+
+  echo "Installing build files..."
+  install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map \
+    localversion.* version vmlinux
+  install -Dt "$builddir/kernel" -m644 kernel/Makefile
+  install -Dt "$builddir/arch/arm64" -m644 arch/arm64/Makefile
+  cp -t "$builddir" -a scripts
+
+  # add xfs and shmem for aufs building
+  mkdir -p "$builddir"/{fs/xfs,mm}
+
+  echo "Installing headers..."
+  cp -t "$builddir" -a include
+  cp -t "$builddir/arch/arm64" -a arch/arm64/include
+  install -Dt "$builddir/arch/arm64/kernel" -m644 arch/arm64/kernel/asm-offsets.s
+  mkdir -p "$builddir/arch/arm"
+  cp -t "$builddir/arch/arm" -a arch/arm/include
+
+  install -Dt "$builddir/drivers/md" -m644 drivers/md/*.h
+  install -Dt "$builddir/net/mac80211" -m644 net/mac80211/*.h
+
+  # https://bugs.archlinux.org/task/13146
+  install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
+
+  # https://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 "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h
+
+  # https://bugs.archlinux.org/task/71392
+  install -Dt "$builddir/drivers/iio/common/hid-sensors" -m644 drivers/iio/common/hid-sensors/*.h
+
+  echo "Installing KConfig files..."
+  find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;
+
+  echo "Removing unneeded architectures..."
+  local arch
+  for arch in "$builddir"/arch/*/; do
+    [[ $arch = */arm64/ || $arch == */arm/ ]] && continue
+    echo "Removing $(basename "$arch")"
+    rm -r "$arch"
+  done
+
+  echo "Removing documentation..."
+  rm -r "$builddir/Documentation"
+
+  echo "Removing broken symlinks..."
+  find -L "$builddir" -type l -printf 'Removing %P\n' -delete
+
+  echo "Removing loose objects..."
+  find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete
+
+  echo "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 "$builddir" -type f -perm -u+x ! -name vmlinux -print0)
+
+  echo "Adding symlink..."
+  mkdir -p "$pkgdir/usr/src"
+  ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"
+}
+
+_package-chromebook() {
+  pkgdesc="The Linux Kernel - ${_desc} - Chromebooks"
+  depends=('linux-aarch64')
+  conflicts=('linux-aarch64-rc-chromebook')
+  install=${pkgname}.install
+
+  cd ${_srcname}
+
+  mkdir -p "${pkgdir}/boot"
+
+  image=arch/arm64/boot/Image
+
+  chromeos_boards=(
+    'elm'
+    'gru'
+    'kukui'
+    'trogdor'
+    'asurada'
+  )
+  chromebook_dtbs=($(for b in ${chromeos_boards[@]}; do find arch/arm64/boot -name "*${b}*.dtb" | LC_COLLATE=C sort; done))
+
+  lz4 -20 -z -f -m ${image}
+  echo ${chromebook_dtbs[@]} | ../generate_chromebook_its.sh ${image}.lz4 arm64 lz4 > kernel.its
+
+  mkimage -D "-I dts -O dtb -p 2048" -f kernel.its vmlinux.uimg
+  dd if=/dev/zero of=bootloader.bin bs=512 count=1
+  echo "console=tty0 console=ttyS2,115200n8 earlyprintk=ttyS2,115200n8 console=ttyMSM0,115200n8 init=/sbin/init root=PARTUUID=%U/PARTNROFF=1 rootwait rw noinitrd" > cmdline
+  vbutil_kernel \
+    --pack vmlinux.kpart \
+    --version 1 \
+    --vmlinuz vmlinux.uimg \
+    --arch aarch64 \
+    --keyblock ../kernel.keyblock \
+    --signprivate ../kernel_data_key.vbprivk \
+    --config cmdline \
+    --bootloader bootloader.bin
+
+  cp vmlinux.kpart "${pkgdir}/boot"
+}
+
+pkgname=("${pkgbase}" "${pkgbase}-headers" "${pkgbase}-chromebook")
+for _p in ${pkgname[@]}; do
+  eval "package_${_p}() {
+    _package${_p#${pkgbase}}
+  }"
+done
-- 
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