New device: Google Glass (#957)

device/device-google-glass/APKBUILD

+pkgname="device-google-glass"
+pkgdesc="Google Glass"
+pkgver=0.1
+pkgrel=0
+url="https://postmarketos.org"
+license="MIT"
+arch="noarch"
+options="!check"
+depends="linux-google-glass mkbootimg"
+source="deviceinfo"
+
+package() {
+	install -Dm644 "$srcdir"/deviceinfo \
+		"$pkgdir"/etc/deviceinfo
+}
+
+sha512sums="119fcb71d43e8ce061e169cbc06c73d0d6d8af09321bdba605f979eb37874eac3168b863c9808ab004d8a36e6214178185061978b286215f5f4fa5d66f79ebcf  deviceinfo"

device/device-google-glass/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 Glass"
+deviceinfo_manufacturer="Google"
+deviceinfo_date=""
+deviceinfo_dtb=""
+deviceinfo_modules_initfs=""
+deviceinfo_external_disk_install="false"
+deviceinfo_arch="armhf"
+
+# Device related
+deviceinfo_keyboard="false"
+deviceinfo_external_disk="false"
+deviceinfo_screen_width="640"
+deviceinfo_screen_height="360"
+deviceinfo_dev_touchscreen=""
+deviceinfo_dev_keyboard=""
+
+# Bootloader related
+deviceinfo_flash_methods="fastboot"
+deviceinfo_kernel_cmdline="console=ttyO2,115200n8 vmalloc=500M androidboot.console=ttyO2 androidboot.carrier=wifi-only product_type=w cpuidle_sysfs_switch"
+deviceinfo_generate_bootimg="true"
+deviceinfo_bootimg_qcdt="false"
+deviceinfo_flash_offset_base="0x80000000"
+deviceinfo_flash_offset_kernel="0x00008000"
+deviceinfo_flash_offset_ramdisk="0x01000000"
+deviceinfo_flash_offset_second="0x00f00000"
+deviceinfo_flash_offset_tags="0x00000100"
+deviceinfo_flash_pagesize="2048"
+

device/linux-google-glass/APKBUILD

+# Kernel config based on: arch/arm/configs/notle_defconfig
+
+pkgname="linux-google-glass"
+pkgver=3.4.83
+pkgrel=0
+pkgdesc="Google Glass kernel fork"
+arch="armhf"
+_carch="arm"
+_flavor="google-glass"
+url="https://kernel.org"
+license="GPL2"
+options="!strip !check !tracedeps"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev"
+HOSTCC="${CC:-gcc}"
+HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+
+# Source
+_repository="factory-kernel"
+_commit="1091b53a0b5e20d23a8447161e181e2a53e944de"
+_config="config-${_flavor}.${arch}"
+source="
+	$pkgname-$_commit.tar.gz::https://github.com/GlassHack/${_repository}/archive/${_commit}.tar.gz
+	$_config
+	compiler-gcc6.h
+"
+builddir="$srcdir/${_repository}-${_commit}"
+
+prepare() {
+	default_prepare
+
+	# gcc6 support
+	cp -v "$srcdir/compiler-gcc6.h" "$builddir/include/linux/"
+
+	# Remove -Werror from all makefiles
+	find . -type f -name Makefile -print0 | \
+		xargs -0 sed -i 's/-Werror-/-W/g'
+	find . -type f -name Makefile -print0 | \
+		xargs -0 sed -i 's/-Werror//g'
+
+	# 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="b98916d6cc745115e89be35158b4cf0e025e73261a8f56302e9b74d8a7b597df8bdef1ee4ce8503dfc4fc94be16b91227b358cba7c5bc1fabde182876f6becf7  linux-google-glass-1091b53a0b5e20d23a8447161e181e2a53e944de.tar.gz
+5cbb2133c06bf1cb932be69e89705c6e41784ca2becb89314e06a26eedc7efb25686160fe278da8c5ed986b3bed5a3a7d779406b4a047184fde2df5ab4a89e06  config-google-glass.armhf
+d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc  compiler-gcc6.h"

device/linux-google-glass/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 */
+