New device: Nexus 5X (LG Bullhead) (#1222)

device/device-lg-bullhead/APKBUILD

+# Reference: <https://postmarketos.org/devicepkg>
+pkgname="device-lg-bullhead"
+pkgdesc="Google Nexus 5X"
+pkgver=0.1
+pkgrel=0
+url="https://postmarketos.org"
+license="MIT"
+arch="noarch"
+options="!check"
+depends="linux-lg-bullhead mkbootimg mesa-dri-swrast libsparse msm-fb-refresher"
+makedepends="devicepkg-dev"
+source="deviceinfo"
+
+build() {
+	devicepkg_build $startdir $pkgname
+}
+
+package() {
+	devicepkg_package $startdir $pkgname
+}
+
+sha512sums="8af915fed8fe29d279148077c3f71924fac31250990b886bfafc034d2c0905f116618ef3af4c4e993dffa4325273e5119efc388a3c17f1130b753c76ee2139b9  deviceinfo"

device/device-lg-bullhead/deviceinfo

+# Reference: <https://postmarketos.org/deviceinfo>
+# Please use double quotes only. You can source this file in shell scripts.
+
+deviceinfo_format_version="0"
+deviceinfo_name="Google Nexus 5X"
+deviceinfo_manufacturer="LG"
+deviceinfo_date=""
+deviceinfo_dtb=""
+deviceinfo_modules_initfs=""
+deviceinfo_external_disk_install="false"
+deviceinfo_arch="aarch64"
+
+# Device related
+deviceinfo_keyboard="false"
+deviceinfo_external_disk="false"
+deviceinfo_screen_width="1080"
+deviceinfo_screen_height="1920"
+deviceinfo_dev_touchscreen="/dev/input/event0"
+deviceinfo_dev_touchscreen_calibration=""
+deviceinfo_dev_keyboard=""
+deviceinfo_msm_refresher="true"
+
+# Bootloader related
+deviceinfo_flash_method="fastboot"
+deviceinfo_kernel_cmdline="console=ttyHSL0,115200,n8 androidboot.hardware=bullhead boot_cpus=0-5 lpm_levels.sleep_disabled=1 msm_poweroff.download_mode=0 buildvariant=userdebug"
+deviceinfo_generate_bootimg="true"
+deviceinfo_bootimg_qcdt="false"
+deviceinfo_flash_offset_base="0x00000000"
+deviceinfo_flash_offset_kernel="0x00008000"
+deviceinfo_flash_offset_ramdisk="0x02000000"
+deviceinfo_flash_offset_second="0x00f00000"
+deviceinfo_flash_offset_tags="0x01e00000"
+deviceinfo_flash_pagesize="4096"
+deviceinfo_flash_sparse=true

device/linux-lg-bullhead/APKBUILD

+# Kernel config based on: arch/arm64/configs/lineageos_bullhead_defconfig
+
+pkgname="linux-lg-bullhead"
+pkgver=3.10.108
+pkgrel=0
+pkgdesc="Google Nexus 5X kernel fork"
+arch="aarch64"
+_carch="arm64"
+_flavor="lg-bullhead"
+url="https://kernel.org"
+license="GPL2"
+options="!strip !check !tracedeps"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev xz"
+HOSTCC="${CC:-gcc}"
+HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+
+# Source
+_repository="bullhead"
+_commit="57351a6494f82cda87c697e10afb98b7f3bd28a2"
+_config="config-${_flavor}.${arch}"
+source="
+	$pkgname-$_commit.tar.gz::https://github.com/franciscofranco/${_repository}/archive/${_commit}.tar.gz
+	$_config
+	compiler-gcc6.h
+	static-inline.patch
+	driver-fix.patch
+	undefined-screen_info.patch
+"
+builddir="$srcdir/${_repository}-${_commit}"
+
+prepare() {
+	default_prepare
+
+	# gcc6 support
+	cp -v "$srcdir/compiler-gcc6.h" "$builddir/include/linux/"
+
+	# Remove -Werror from all makefiles
+	local i
+	local makefiles="$(find . -type f -name Makefile)
+		$(find . -type f -name Kbuild)"
+	for i in $makefiles; do
+		sed -i 's/-Werror-/-W/g' "$i"
+		sed -i 's/-Werror//g' "$i"
+	done
+
+	# Prepare kernel config ('yes ""' for kernels lacking olddefconfig)
+	cp "$srcdir"/$_config "$builddir"/.config
+	yes "" | make ARCH="$_carch" HOSTCC="$HOSTCC" oldconfig
+}
+
+menuconfig() {
+	cd "$builddir"
+	make ARCH="$_carch" menuconfig
+	cp .config "$startdir"/$_config
+}
+
+build() {
+	unset LDFLAGS
+	make ARCH="$_carch" CC="${CC:-gcc}" \
+		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS"
+}
+
+package() {
+	# kernel.release
+	install -D "$builddir/include/config/kernel.release" \
+		"$pkgdir/usr/share/kernel/$_flavor/kernel.release"
+
+	# zImage (find the right one)
+	cd "$builddir/arch/$_carch/boot"
+	_target="$pkgdir/boot/vmlinuz-$_flavor"
+	for _zimg in zImage-dtb Image.gz-dtb *zImage Image; do
+		[ -e "$_zimg" ] || continue
+		msg "zImage found: $_zimg"
+		install -Dm644 "$_zimg" "$_target"
+		break
+	done
+	if ! [ -e "$_target" ]; then
+		error "Could not find zImage in $PWD!"
+		return 1
+	fi
+}
+
+sha512sums="f34e79b5c80e6dcb2de4a85ec5a59b837338b55c4fef5ac5c6dfaf0d78220a016397442032fbf340eeead1201dd01feeff660adfe3406fdddf66832e59416898  linux-lg-bullhead-57351a6494f82cda87c697e10afb98b7f3bd28a2.tar.gz
+7e49fa92edfe2057f3454909ad2bc7e643c8372fbb64003ec66581896e6497cedd506a721df436f10f741d30cceee7c1e8a9fbe215755deae575bb2e2b5bb757  config-lg-bullhead.aarch64
+d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc  compiler-gcc6.h
+ad77ff2bea83e603bfdbd6bdae7a15f8e8d4a4a005a6ad26b6d8872767bb80b41cc2c0df228d6978ad0bd9e84486bea98a178478b93948e3e37794755e136bd6  static-inline.patch
+64060a1b42743b398feb7b9b05259ff5bc8a3607c9e357d9c1f57c9c0994b433a2fc0c2697a34c71b78ca4096f06ef18e1f5575c4a6a3e93d3c39066ee88d418  driver-fix.patch
+f05386bd27c61e579e69b6ece42b99438ae6da67b8321eec3e4b408a06ff9bdc35cb354fe6dd66751c9118263463f91eb8c250e82532ec4698ea61ac3371c558  undefined-screen_info.patch"

device/linux-lg-bullhead/compiler-gcc6.h

+// SOURCE:
+// https://github.com/NextThingCo/CHIP-u-boot/issues/10#issuecomment-287515505
+
+#ifndef __LINUX_COMPILER_H
+#error "Please don't include <linux/compiler-gcc6.h> directly, include <linux/compiler.h> instead."
+#endif
+
+#define __used				__attribute__((__used__))
+#define __must_check			__attribute__((warn_unused_result))
+#define __compiler_offsetof(a, b)	__builtin_offsetof(a, b)
+
+/* Mark functions as cold. gcc will assume any path leading to a call
+   to them will be unlikely.  This means a lot of manual unlikely()s
+   are unnecessary now for any paths leading to the usual suspects
+   like BUG(), printk(), panic() etc. [but let's keep them for now for
+   older compilers]
+
+   Early snapshots of gcc 4.3 don't support this and we can't detect this
+   in the preprocessor, but we can live with this because they're unreleased.
+   Maketime probing would be overkill here.
+
+   gcc also has a __attribute__((__hot__)) to move hot functions into
+   a special section, but I don't see any sense in this right now in
+   the kernel context */
+#define __cold			__attribute__((__cold__))
+
+#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
+
+#ifndef __CHECKER__
+# define __compiletime_warning(message) __attribute__((warning(message)))
+# define __compiletime_error(message) __attribute__((error(message)))
+#endif /* __CHECKER__ */
+
+/*
+ * Mark a position in code as unreachable.  This can be used to
+ * suppress control flow warnings after asm blocks that transfer
+ * control elsewhere.
+ *
+ * Early snapshots of gcc 4.5 don't support this and we can't detect
+ * this in the preprocessor, but we can live with this because they're
+ * unreleased.  Really, we need to have autoconf for the kernel.
+ */
+#define unreachable() __builtin_unreachable()
+
+/* Mark a function definition as prohibited from being cloned. */
+#define __noclone	__attribute__((__noclone__))
+
+/*
+ * Tell the optimizer that something else uses this function or variable.
+ */
+#define __visible __attribute__((externally_visible))
+
+/*
+ * GCC 'asm goto' miscompiles certain code sequences:
+ *
+ *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
+ *
+ * Work it around via a compiler barrier quirk suggested by Jakub Jelinek.
+ *
+ * (asm goto is automatically volatile - the naming reflects this.)
+ */
+#define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0)
+
+#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
+#define __HAVE_BUILTIN_BSWAP32__
+#define __HAVE_BUILTIN_BSWAP64__
+#define __HAVE_BUILTIN_BSWAP16__
+#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
+

device/linux-lg-bullhead/driver-fix.patch

+diff --git a/drivers/media/platform/msm/vidc/hfi_packetization.c b/drivers/media/platform/msm/vidc/hfi_packetization.c
+index f605d6ab..4355d111 100644
+--- a/drivers/media/platform/msm/vidc/hfi_packetization.c
++++ b/drivers/media/platform/msm/vidc/hfi_packetization.c
+@@ -324,7 +324,7 @@ int create_pkt_cmd_sys_ping(struct hfi_cmd_sys_ping_packet *pkt)
+ 	return rc;
+ }
+ 
+-inline int create_pkt_cmd_sys_session_init(
++static inline int create_pkt_cmd_sys_session_init(
+ 		struct hfi_cmd_sys_session_init_packet *pkt,
+ 		struct hal_session *session,
+ 		u32 session_domain, u32 session_codec)

device/linux-lg-bullhead/static-inline.patch

+diff --git a/lib/mpi/mpi-inline.h b/lib/mpi/mpi-inline.h
+index e2b39852..c245ea31 100644
+--- a/lib/mpi/mpi-inline.h
++++ b/lib/mpi/mpi-inline.h
+@@ -30,7 +30,7 @@
+ #define G10_MPI_INLINE_H
+ 
+ #ifndef G10_MPI_INLINE_DECL
+-#define G10_MPI_INLINE_DECL  extern inline
++#define G10_MPI_INLINE_DECL  static inline
+ #endif
+ 
+ G10_MPI_INLINE_DECL mpi_limb_t
+diff --git a/lib/mpi/mpi-internal.h b/lib/mpi/mpi-internal.h
+index 60cf7656..91ef8acd 100644
+--- a/lib/mpi/mpi-internal.h
++++ b/lib/mpi/mpi-internal.h
+@@ -168,20 +168,24 @@ void mpi_rshift_limbs(MPI a, unsigned int count);
+ int mpi_lshift_limbs(MPI a, unsigned int count);
+ 
+ /*-- mpihelp-add.c --*/
++#ifndef __GNUC__
+ mpi_limb_t mpihelp_add_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
+ 			 mpi_size_t s1_size, mpi_limb_t s2_limb);
+-mpi_limb_t mpihelp_add_n(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
+-			 mpi_ptr_t s2_ptr, mpi_size_t size);
+ mpi_limb_t mpihelp_add(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, mpi_size_t s1_size,
+ 		       mpi_ptr_t s2_ptr, mpi_size_t s2_size);
++#endif
++mpi_limb_t mpihelp_add_n(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
++			 mpi_ptr_t s2_ptr, mpi_size_t size);
+ 
+ /*-- mpihelp-sub.c --*/
++#ifndef __GNUC__
+ mpi_limb_t mpihelp_sub_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
+ 			 mpi_size_t s1_size, mpi_limb_t s2_limb);
+-mpi_limb_t mpihelp_sub_n(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
+-			 mpi_ptr_t s2_ptr, mpi_size_t size);
+ mpi_limb_t mpihelp_sub(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, mpi_size_t s1_size,
+ 		       mpi_ptr_t s2_ptr, mpi_size_t s2_size);
++#endif
++mpi_limb_t mpihelp_sub_n(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
++			 mpi_ptr_t s2_ptr, mpi_size_t size);
+ 
+ /*-- mpihelp-cmp.c --*/
+ int mpihelp_cmp(mpi_ptr_t op1_ptr, mpi_ptr_t op2_ptr, mpi_size_t size);

device/linux-lg-bullhead/undefined-screen_info.patch

+As found here:
+
+http://linux-kernel.2935.n7.nabble.com/PATCH-arm64-kernel-need-extern-variable-screen-info-for-related-driver-using-td652444.html
+
+---
+diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
+index efa2123a..4beccf05 100644
+--- a/arch/arm64/kernel/setup.c
++++ b/arch/arm64/kernel/setup.c
+@@ -591,6 +591,17 @@ const struct seq_operations cpuinfo_op = {
+ 	.show	= c_show
+ };
+ 
++#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE)
++struct screen_info screen_info = {
++	.orig_video_lines = 30,
++	.orig_video_cols = 80,
++	.orig_video_mode = 0,
++	.orig_video_ega_bx = 0,
++	.orig_video_isVGA = 1,
++	.orig_video_points = 8
++};
++#endif 
++
+ void arch_setup_pdev_archdata(struct platform_device *pdev)
+ {
+ 	pdev->archdata.dma_mask = DMA_BIT_MASK(32);