# Reference: <https://postmarketos.org/vendorkernel>
# This port is heavily inspired by https://github.com/GjergjiFloychi/amazon-austin-pmaports
# Kernel config based on: https://github.com/NixOS/mobile-nixos/blob/master/devices/amazon-austin/kernel/config.armv7

pkgname=linux-amazon-austin
pkgver=3.10.54
pkgrel=0
pkgdesc="Amazon Fire 7 (2017) kernel fork"
arch="armv7"
_carch="arm"
_flavor="amazon-austin"
url="https://kernel.org"
license="GPL-2.0-only"
options="!strip !check !tracedeps pmb:cross-native"
makedepends="bash bc bison devicepkg-dev flex openssl-dev perl gcc4 linux-headers xz"

# Compiler: GCC 4 (doesn't compile with versions above GCC 4)
if [ "${CC:0:5}" != "gcc4-" ]; then
	CC="gcc4-$CC"
	HOSTCC="gcc4-gcc"
	CROSS_COMPILE="gcc4-$CROSS_COMPILE"
fi

# Source from amazon stock kernel
_repository="linux-amazon-mediatek-mt8127-kernel-source"
_commit="Fire_7_7th_Gen-5.3.7.3-20210714"
_config="config-$_flavor.$arch"
source="
	$pkgname-$_commit.tar.gz::https://github.com/hexdump0815/$_repository/archive/$_commit.tar.gz
	$_config
	gcc4-compile-fixes.patch
	fix-host-card-inserted.patch
	silence-hotplug-logspam.patch
	silence-power-logspam.patch
	silence-battery-logspam.patch
	silence-mtkfb-logspam.patch
	silence-usb-logspam.patch
	silence-time-logspam.patch
	silence-i2c-logspam.patch
	silence-cmb-logspam.patch
	silence-tz-logspam.patch
	silence-thermal-logspam.patch
	silence-uart-logspam.patch
	silence-vsync-logspam.patch
"
builddir="$srcdir/$_repository-$_commit"

prepare() {
	default_prepare
	. downstreamkernel_prepare
}

build() {
	unset LDFLAGS
	make ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS"
}

package() {
	downstreamkernel_package "$builddir" "$pkgdir" "$_carch" "$_flavor"

	# in case there will be modules at any time, make sure they get installed as well
	unset LDFLAGS
	make O="$_outdir" ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS" \
		INSTALL_MOD_PATH="$pkgdir" INSTALL_MOD_STRIP=1 modules_install
}

sha512sums="
2017b730bb7e9470084ff812dc3d35cd50040c4a69a9b443b2105393cdc6ce6bb03fc5c80ed8d2a04020103e89675162629fc81d2601ce40a291001bd4bfaea5  linux-amazon-austin-Fire_7_7th_Gen-5.3.7.3-20210714.tar.gz
ce3842273ab183f8135d3128a4a53a3ea6677f6379c6243e5e33a266c6c05916b13e754d931166481bffe6841136f99aefaeebf931878fb38eb70e0fa3d402f5  config-amazon-austin.armv7
0ae455bd3d91ef03644f742916340951617e438e09e6552438daf71e3d5eaf498b022c01535160de92ef2fa3b4100f5a2bdb475179ac9705352a0a337b26e8b8  gcc4-compile-fixes.patch
bfd9134f02059fdc948890a0f923f9c681e209b9ada6025eaa61e04348f69c9e155a094c929e5d6842c09d5782cbb98de3d004fee0ce40767ff954f4499e60fa  fix-host-card-inserted.patch
50760092b5125466b2280aead0baa12644f064cedc4821fbab6068c97900799922b3d67e6b75968639a1d5bc2cd6af94e90645c594f42c6ac28473c1ea20d9f4  silence-hotplug-logspam.patch
fc3529031cda24670d668fc8ad0e1cbd745db6a65b28df506169e49b6918de0fa81b6921a1f51271eb826a58d4e2c6c3292d46908913b3c8e70f790f3a82da76  silence-power-logspam.patch
ef9358ccf23b1a397d07ae0e26fa155aa421870e20c998452855ccec4b1cda1e22b5e95cdcbcd754d0217f1fcfe7bb505f5dda1853dee15548ff948c1b7338c9  silence-battery-logspam.patch
fde906379c3ab5e7b1e9f6036c77877a07342e0b9f508d6dd2e084862b8fc95122180fac82f9dbd85f4e2a401ce4d440aae0f3b6743deff332926f0bd2898554  silence-mtkfb-logspam.patch
35889da4c5bef7defd7dcab9497bcc98b0e5998de61a1f98e2d4ac5bd8aec47266fb6979e1cddcc9a94b20b43a6cc893dd14dfbc48d7212c2fc8425f16c376be  silence-usb-logspam.patch
b3b037b2145c079c95c06781604fa2a874a2c547137f96704d861f5f591069afb6e02869b7fedaca73aff5e7fb6b2449b2a6434aedc80ff36670acd2bc51155d  silence-time-logspam.patch
9eb4e60f988a289385a4ee0eb94573dd0cbd249c8236eb695b6637322a1a3826dc90728c5f939d51c3320ec3fb2b1eea252c28e34cdfd307db8807dc9f9080a3  silence-i2c-logspam.patch
56f77c21867325e461d9d8db2400d3a521d682ee10f7d58bef1cc4d50e3648db68be7e40ff9ba67d75ef9832e8914867540381fb38e2108ac5906964536980f8  silence-cmb-logspam.patch
bac2c215a7a5329e7e0cc6cddc901d7144050a66e1204b4de2bec732a33b2c18bb45732e7b41f62ef5dfc0a6db3518d3870c17e59c13edaf64a5b64b9cbda821  silence-tz-logspam.patch
d67f2b902c8ce1797ccdce053c95a97adbdc20c49a88d8f257ab4bdd7a643242fffcbba31aad5d3cb91580c3c3351a4fe159041304fe531e857ebfb84aedc962  silence-thermal-logspam.patch
8447d2509916babb105a91d1f5f04bef12498135de71141f2229ce83cd93c6875b8f6f8ae03ff11d34d7eca6d05464159aa661650fee605c9789125bb755a531  silence-uart-logspam.patch
3868047c589f0c3efc2b94aece0c46a55d0798650ad1bf8bc4f2328c4a5daaf071d699048edf6a6e0735407d84eb48688c7ade18b439cff1f09ac33087e7170a  silence-vsync-logspam.patch
"