135 lines
4.4 KiB
Text
135 lines
4.4 KiB
Text
# Based on linux-lg-mako. Changes:
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# - add findutils makedepend (necessary for the initramfs)
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# - it builds an initramfs - do not use ramdisk.cpio and
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# ramdisk-recovery.cpio, in there, always use the
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# initramfs from the kernel2 partition ("isorec")
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# - directly boot to that initramfs, not only when the recovery
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# key combination was pressed.
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# - use Alpine's busybox-static instead of the pre-compiled
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# binary, that comes with the source
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# - reduce lzo compression because Alpine's busybox doesn't
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# support high compression
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#
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# Kernel config changes, based on: arch/arm/configs/janice_defconfig
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# - enable devtmpfs (needed for udev -> touch support in weston)
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_vendor=samsung
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_flavor=samsung-i9070
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_hash="ac7219c4b8dcec7bc5a598d42c6be0db4aa36332"
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_config="config-${_flavor}.armhf"
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pkgname=linux-${_flavor}
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pkgver=3.0.101
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case $pkgver in
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*.*.*) _kernver=${pkgver%.*};;
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*.*) _kernver=$pkgver;;
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esac
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pkgrel=2
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arch="armhf"
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pkgdesc="Samsung Galaxy S Advance kernel from Epirex"
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url="https://github.com/Epirex/Samsung_STE_Kernel"
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depends="postmarketos-mkinitfs"
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makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev
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findutils busybox-static-armhf"
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options="!strip !check !tracedeps"
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install=
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source="
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$pkgname-$_hash.zip::https://github.com/Epirex/Samsung_STE_Kernel/archive/${_hash}.zip
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$_config
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compiler-gcc6.h
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fix_return_address.patch
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init
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"
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subpackages=""
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license="GPL2"
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_abi_release=${pkgver}
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_carch="arm"
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HOSTCC="${CC:-gcc}"
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HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
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ksrcdir="$srcdir/Samsung_STE_Kernel-${_hash}"
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prepare() {
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local _patch_failed=
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cd "$ksrcdir"
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# first apply patches in specified order
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for i in $source; do
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case $i in
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*.patch)
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msg "Applying $i..."
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if ! patch -s -p1 -N -i "$srcdir"/$i; then
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echo $i >>failed
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_patch_failed=1
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fi
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;;
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esac
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done
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if ! [ -z "$_patch_failed" ]; then
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error "The following patches failed:"
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cat failed
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return 1
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fi
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# Use Alpine's busybox.static instead of the pre-compiled busybox shipped
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# with the source
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cp -v /usr/$(arch_to_hostspec $arch)/bin/busybox.static \
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"$ksrcdir"/usr/u8500_initramfs_files/busybox
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# do not use ramdisk.cpio and ramdisk-recovery.cpio, always use
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# the initramfs from the kernel2 partition ("isorec"), so we can build
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# it later and independently from the kernel. also directly boot that
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# partition, not only when the recovery key combination was used.
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cd "$ksrcdir"/usr/
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mv u8500_initramfs.list u8500_initramfs.list_old
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grep -v "../../ramdisk" u8500_initramfs.list_old > u8500_initramfs.list \
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|| return 1
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cp -v "$srcdir"/init "$ksrcdir"/usr/u8500_initramfs_files/init || return 1
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# Reduce lzo compression because Alpine's busybox doesn't support high
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# compression
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sed -i -e 's/lzop -9/lzop -6/g' "$ksrcdir"/scripts/Makefile.lib || return 1
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sed -i -e 's/lzop -9/lzop -6/g' "$ksrcdir"/scripts/gen_initramfs_list.sh || return 1
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# gcc6 support
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cp -v "$srcdir/compiler-gcc6.h" "$ksrcdir/include/linux/" || return 1
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mkdir -p "$srcdir"/build
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cp "$srcdir"/$_config "$srcdir"/build/.config || return 1
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make -C "$ksrcdir" O="$srcdir"/build ARCH="$_carch" HOSTCC="$HOSTCC" \
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silentoldconfig
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}
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# this is so we can do: 'abuild menuconfig' to reconfigure kernel
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menuconfig() {
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cd "$srcdir"/build || return 1
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make ARCH="$_carch" menuconfig
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cp .config "$startdir"/$_config
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}
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build() {
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cd "$srcdir"/build
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unset LDFLAGS
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make ARCH="$_carch" CC="${CC:-gcc}" \
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KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-Alpine" \
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|| return 1
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}
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package() {
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install -Dm644 "$srcdir/build/arch/arm/boot/zImage" \
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"$pkgdir/boot/vmlinuz-$_flavor"
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install -D "$srcdir/build/include/config/kernel.release" \
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"$pkgdir/usr/share/kernel/$_flavor/kernel.release"
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}
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sha512sums="ea4e0f56efadd12c3dab18f15214973c708f777097aecac2fb7be4118472ba6e61e2660579eec7a2b57398c3a78107c965b59a108ddf1178d481a4e353a68077 linux-samsung-i9070-ac7219c4b8dcec7bc5a598d42c6be0db4aa36332.zip
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8789a6b50cb4f438aa581003a54419d70e36f7077bb0107aeaaa237bb2d603d9fc67a25e47460068547c1dcc296c64752b3b448629bd4b64645e619d314ab9bf config-samsung-i9070.armhf
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d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc compiler-gcc6.h
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ea1d3b5a234fa565e3c1a792de48f4fc4e6023d281d303c8e319c7ef28edc5739ab0e4dea0139a41f0a5c7d03e27921ccaa214fd0ac5c72245a094ce60128864 fix_return_address.patch
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ef01c51c138239a49c1d00ae0074a07fed267d64934cf3d436a8ff057b91692ee2d040a45eacbb0dc62d5017a708c4dca2fadc282c850fa72aeebcfa787e2cbc init"
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