New device: infocus-flatfish (#1251)

It boots and display/touchscreen partially work
(the framebuffer only fills a part of the screen).

aports/device/device-infocus-flatfish/APKBUILD

+# Reference: <https://postmarketos.org/devicepkg>
+pkgname="device-infocus-flatfish"
+pkgdesc="InFocus New Tab F1"
+pkgver=0.1
+pkgrel=0
+url="https://postmarketos.org"
+license="MIT"
+arch="noarch"
+options="!check"
+depends="linux-infocus-flatfish mkbootimg mesa-dri-swrast"
+makedepends="devicepkg-dev"
+source="deviceinfo"
+
+build() {
+	devicepkg_build $startdir $pkgname
+}
+
+package() {
+	devicepkg_package $startdir $pkgname
+}
+
+sha512sums="2fe08cf2a3b7b6340e5ae81085c5e9a60cc4c4291e1f6fbea3e24c63cf78e0328bd4701429541297afc66c5ddae7fb05d83b7d42c2900bb2cb2866d5f8201906  deviceinfo"

aports/device/device-infocus-flatfish/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="InFocus New Tab F1"
+deviceinfo_manufacturer="InFocus"
+deviceinfo_date=""
+deviceinfo_dtb=""
+deviceinfo_modules_initfs=""
+deviceinfo_external_disk_install="false"
+deviceinfo_arch="armhf"
+
+# Device related
+deviceinfo_keyboard="false"
+deviceinfo_external_disk="true"
+deviceinfo_screen_width="1280"
+deviceinfo_screen_height="800"
+deviceinfo_dev_touchscreen="/dev/input/event2"
+deviceinfo_dev_touchscreen_calibration=""
+deviceinfo_dev_keyboard=""
+
+# Bootloader related
+deviceinfo_flash_method="fastboot"
+deviceinfo_kernel_cmdline="console=ttyS0,115200 rw init=/init androidboot.hardware=flatfish ion_reserve=256M loglevel=7"
+deviceinfo_generate_bootimg="true"
+deviceinfo_bootimg_qcdt="false"
+deviceinfo_flash_offset_base="0x40000000"
+deviceinfo_flash_offset_kernel="0x00008000"
+deviceinfo_flash_offset_ramdisk="0x01000000"
+deviceinfo_flash_offset_second="0x00f00000"
+deviceinfo_flash_offset_tags="0x00000100"
+deviceinfo_flash_pagesize="2048"

aports/device/linux-infocus-flatfish/01_timeconst_fix.patch

+From 63a3f603413ffe82ad775f2d62a5afff87fd94a0 Mon Sep 17 00:00:00 2001
+From: "H. Peter Anvin" <hpa@linux.intel.com>
+Date: Thu, 7 Feb 2013 17:14:08 -0800
+Subject: [PATCH] timeconst.pl: Eliminate Perl warning
+
+defined(@array) is deprecated in Perl and gives off a warning.
+Restructure the code to remove that warning.
+
+[ hpa: it would be interesting to revert to the timeconst.bc script.
+  It appears that the failures reported by akpm during testing of
+  that script was due to a known broken version of make, not a problem
+  with bc.  The Makefile rules could probably be restructured to avoid
+  the make bug, or it is probably old enough that it doesn't matter. ]
+
+Reported-by: Andi Kleen <ak@linux.intel.com>
+Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
+Cc: Andrew Morton <akpm@linux-foundation.org>
+Cc: <stable@vger.kernel.org>
+Signed-off-by: Gustavo Zacarias <gustavo.zacarias@free-electrons.com>
+---
+Patch status: upstream
+
+ kernel/timeconst.pl | 6 ++----
+ 1 file changed, 2 insertions(+), 4 deletions(-)
+
+diff --git a/kernel/timeconst.pl b/kernel/timeconst.pl
+index eb51d76..3f42652 100644
+--- a/kernel/timeconst.pl
++++ b/kernel/timeconst.pl
+@@ -369,10 +369,8 @@ if ($hz eq '--can') {
+ 		die "Usage: $0 HZ\n";
+ 	}
+ 
+-	@val = @{$canned_values{$hz}};
+-	if (!defined(@val)) {
+-		@val = compute_values($hz);
+-	}
++	$cv = $canned_values{$hz};
++	@val = defined($cv) ? @$cv : compute_values($hz);
+ 	output($hz, @val);
+ }
+ exit 0;
+-- 
+2.4.10
+

aports/device/linux-infocus-flatfish/02_fix_paranoid_network_disabled.patch

+This fixes compilation with ANDROID_PARANOID_NETWORK disabled. Without this
+patch, compilation breaks with:
+
+/home/pmos/build/src/android_kernel_samsung_latona-7b8d73dd32e6cd21107f9a963a32a5ed237a6e78/security/commoncap.c:
+In function 'cap_capable':
+/home/pmos/build/src/android_kernel_samsung_latona-7b8d73dd32e6cd21107f9a963a32a5ed237a6e78/security/commoncap.c:91:40:
+error: 'AID_NET_RAW' undeclared (first use in this function)
+  if (cap == CAP_NET_RAW && in_egroup_p(AID_NET_RAW))
+                                        ^~~~~~~~~~~
+/home/pmos/build/src/android_kernel_samsung_latona-7b8d73dd32e6cd21107f9a963a32a5ed237a6e78/security/commoncap.c:91:40:
+note: each undeclared identifier is reported only once for each function it
+appears in
+/home/pmos/build/src/android_kernel_samsung_latona-7b8d73dd32e6cd21107f9a963a32a5ed237a6e78/security/commoncap.c:93:42:
+error: 'AID_NET_ADMIN' undeclared (first use in this function)
+  if (cap == CAP_NET_ADMIN && in_egroup_p(AID_NET_ADMIN))
+---
+From e9a85c71afa38ee304e71c86ca7d74ed4658318c Mon Sep 17 00:00:00 2001
+From: Tushar Behera <tushar.behera@linaro.org>
+Date: Mon, 26 Mar 2012 16:54:15 +0530
+Subject: [PATCH] security: Add proper checks for Android specific capability
+ checks
+
+Commit b641072 ("security: Add AID_NET_RAW and AID_NET_ADMIN capability
+check in cap_capable().") introduces additional checks for AID_NET_xxx
+macros. Since the header file including those macros are conditionally
+included, the checks should also be conditionally executed.
+
+Change-Id: Iaec5208d5b95a46b1ac3f2db8449c661e803fa5b
+Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
+Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>
+---
+ security/commoncap.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/security/commoncap.c b/security/commoncap.c
+index 897af00e477..0051ac2d058 100644
+--- a/security/commoncap.c
++++ b/security/commoncap.c
+@@ -80,10 +80,12 @@ int cap_netlink_send(struct sock *sk, struct sk_buff *skb)
+ int cap_capable(const struct cred *cred, struct user_namespace *targ_ns,
+ 		int cap, int audit)
+ {
++#ifdef CONFIG_ANDROID_PARANOID_NETWORK
+ 	if (cap == CAP_NET_RAW && in_egroup_p(AID_NET_RAW))
+ 		return 0;
+ 	if (cap == CAP_NET_ADMIN && in_egroup_p(AID_NET_ADMIN))
+ 		return 0;
++#endif
+ 
+ 	for (;;) {
+ 		/* The creator of the user namespace has all caps. */

aports/device/linux-infocus-flatfish/03_fix_pm_build.patch

+gen_check_code crashes so we need to use the old cp method.
+---
+diff --git a/arch/arm/mach-sun6i/pm/standby/Makefile b/arch/arm/mach-sun6i/pm/standby/Makefile
+index d7208dd9bfc..aefac0d5741 100755
+--- a/arch/arm/mach-sun6i/pm/standby/Makefile
++++ b/arch/arm/mach-sun6i/pm/standby/Makefile
+@@ -134,8 +134,7 @@ resume1:
+ 
+ 	rm -rf *.o ../*.o
+ 
+-	#cp resume1.bin ./super/resume/resume1.code
+-	./gen_check_code ./resume1.bin ./super/resume/resume1.code 
++	cp resume1.bin ./super/resume/resume1.code
+ 	
+ 	@echo ----------------------------------------
+ 	@echo well done!
+@@ -143,4 +142,3 @@ resume1:
+ 
+ clean:
+ 	-rm *.o *.map *.lst *.bin *.elf *.exe dram/*.o
+-

aports/device/linux-infocus-flatfish/APKBUILD

+# Kernel config based on: arch/arm/configs/sun6ismp_fiber_defconfig
+
+pkgname="linux-infocus-flatfish"
+pkgver=3.3.0
+pkgrel=0
+pkgdesc="InFocus New Tab F1 kernel fork"
+arch="armhf"
+_carch="arm"
+_flavor="infocus-flatfish"
+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#${CROSS_COMPILE}}"
+
+# Source
+_repository="kernel_flatfish"
+_commit="b7e13780ed3ba80a5539a74d8704281cd6d3f5e6"
+_config="config-${_flavor}.${arch}"
+source="
+	$pkgname-$_commit.tar.gz::https://github.com/mozilla-b2g/${_repository}/archive/${_commit}.tar.gz
+	$_config
+	compiler-gcc6.h
+	01_timeconst_fix.patch
+	02_fix_paranoid_network_disabled.patch
+	03_fix_pm_build.patch
+"
+builddir="$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
+
+	# The standby code needs to be built separately
+	make ARCH="$_carch" CC="${CC:-gcc}" \
+		KDIR=$builddir \
+		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS" \
+		-C $builddir/arch/arm/mach-sun6i/pm/standby
+
+	cd $builddir
+	make ARCH="$_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 $PWD!"
+		return 1
+	fi
+
+	# External modules install
+	cd "$builddir"
+	make ARCH="$_carch" CC="${CC:-gcc}" \
+		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS" \
+		INSTALL_MOD_PATH="$pkgdir" modules_install
+}
+
+sha512sums="9dad1d0226803566727cc34c44ec9240768a3e4e89f9a02dad0f9bf2f9ee6aecd17892c12d7b9f30e4bc522d67d06d4089d79f800de594c052760ad110d694d9  linux-infocus-flatfish-b7e13780ed3ba80a5539a74d8704281cd6d3f5e6.tar.gz
+5749219232d11c4b07b14414df828b5ad517208c8f11c90db19c38ccc1ca49546dc17158f67de5f991a343d59ddade4066ac52b8ff36d2326a2749829d34bb6e  config-infocus-flatfish.armhf
+d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc  compiler-gcc6.h
+a2bb98fb8d988bbb659cae00fbaca360828300e9b98b90aed5ee0dd839c3f740696df4094a9021b813cbada06820d115aabed581a47cdd2c947e8d853c20b145  01_timeconst_fix.patch
+df62e03666313bb03d9a455eac875f170a55d378b6e56b847c1c6ff1ce5cfafcfdf1d7605754ca3c684840ea00357f9ec4c6621f6ff77377132a484b9258f6f7  02_fix_paranoid_network_disabled.patch
+06463b3f376650f7a8bf15cad9d6b619656ed80603c4988c6454e650a4ab99062dd47c19099a3cd5d6e0f6f291476eada2e79fe2231082bc2fd4edad84f809fd  03_fix_pm_build.patch"

aports/device/linux-infocus-flatfish/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 */
+