Initial import

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 416 insertions, 0 deletions

diff --git a/kbuild.sh b/kbuild.sh
new file mode 100755
index 0000000..b979b36
--- /dev/null
+++ b/kbuild.sh
@@ -0,0 +1,416 @@
+#!/bin/sh
+
+set -e
+
+#OPTIONS='CONFIG_DEBUG_SECTION_MISMATCH=y'
+#OPTIONS='C=1'
+OPTIONS="KALLSYMS_EXTRA_PASS=0"
+KCFLAGS="-Werror -Wno-error=cpp"
+
+NFS_ROOT=$HOME/src/netboot
+TFTP_ROOT=$HOME/tftpboot
+
+echo $PWD | grep -q libcamera && PLATFORM=x86
+echo $PWD | grep -q media && PLATFORM=omap3
+echo $PWD | grep -q omap && PLATFORM=omap4+
+echo $PWD | grep -q plusoptix && PLATFORM=imx7
+echo $PWD | grep -q renesas && PLATFORM=gen3
+echo $PWD | grep -q xilinx && PLATFORM=zynqmp
+
+do_compile_doc=0
+do_menu_config=0
+do_package_deb=0
+opt_bootloader=
+opt_cmdline_file=
+opt_defconfig=
+
+while [[ $# != 0 ]] ; do
+	option=$1
+	shift
+
+	case $option in
+		--bootloader)
+			opt_bootloader=$1
+			if [[ ! -r $opt_bootloader ]] ; then
+				echo "Boot loader file $opt_bootloader is not readable"
+				exit 1
+			fi
+			shift
+			;;
+		--cmdline)
+			opt_cmdline_file=$1
+			if [[ ! -r $opt_cmdline_file ]] ; then
+				echo "Command line file $opt_cmdline_file is not readable"
+				exit 1
+			fi
+			shift
+			;;
+		--config)
+			do_menu_config=1
+			;;
+		--deb)
+			do_package_deb=1
+			;;
+		--defconfig)
+			opt_defconfig=$1
+			if [[ ! -r $opt_defconfig ]] ; then
+				echo "defconfig file $opt_defconfig is not readable"
+				exit 1
+			fi
+			shift
+			;;
+		--doc)
+			do_compile_doc=1
+			;;
+		--*)
+			echo "Unrecognized option $option"
+			exit 1
+			;;
+		*)
+			PLATFORM=$option
+			;;
+	esac
+done
+
+case $PLATFORM in
+	gen3)
+		ARCH=arm64
+		BOOT_DIR=$TFTP_ROOT/gen3
+		DTBS="renesas/r8a7795-es1-h3ulcb.dtb renesas/r8a7795-es1-salvator-x.dtb renesas/r8a7795-h3ulcb.dtb renesas/r8a7795-h3ulcb-kf.dtb renesas/r8a7795-salvator-x.dtb renesas/r8a7795-salvator-xs.dtb renesas/r8a7796-m3ulcb.dtb renesas/r8a7796-salvator-x.dtb renesas/r8a77995-draak.dtb"
+		DTBS=$(cd arch/arm64/boot/dts ; ls renesas/*.dts | sed 's/\.dts/.dtb/')
+		#DTBS="renesas/r8a77965-salvator-xs.dtb"
+		IMAGE=FIT
+		LOADADDR=0x48080000
+		;;
+	imx7)
+		ARCH=arm
+		#BOOT_DIR=$TFTP_ROOT/imx7
+		BOOT_DIR=$NFS_ROOT/arm32/boot
+		DTBS="imx7d-sx-pl-emar.dtb imx7d-sx-pl-test.dtb"
+		IMAGE=zImage
+		LOADADDR=0x80008000
+		;;
+	omap3)
+		ARCH=arm
+		BOOT_DIR=$TFTP_ROOT/omap3
+		DTBS="omap3-beagle-xm.dtb omap3-overo-storm-tobi.dtb"
+		IMAGE=zImage
+		;;
+	omap4+)
+		ARCH=arm
+		BOOT_DIR=$TFTP_ROOT/omap4
+		DTBS="omap4-panda.dtb omap4-panda-es.dtb am57xx-evm-reva3.dtb:am57xx-beagle-x15.dtb"
+		IMAGE=FIT
+		LOADADDR=0x80008000
+		;;
+	scarlet)
+		ARCH=arm64
+		BOOT_DIR=$NFS_ROOT/arm64/boot
+		CMDLINE="console=ttyS2,115200n8 earlyprintk=ttyS2,115200n8 console=tty1 init=/sbin/init root=PARTUUID=%U/PARTNROFF=1 rootwait rw noinitrd ignore_loglevel"
+		CMDLINE="console=ttyS2,115200n8 earlyprintk=ttyS2,115200n8 console=tty1 ip=dhcp root=/dev/nfs rootwait rw noinitrd ignore_loglevel"
+		DTBS="rockchip/rk3399-gru-scarlet-inx.dtb"
+		IMAGE=cros-arm
+		LOADADDR=0
+		;;
+	soraka)
+		ARCH=x86
+		BOOT_DIR=$TFTP_ROOT/x86
+		CMDLINE="console=ttyS0,115200n8 earlyprintk=ttyS0,115200n8 console=tty1 ip=dhcp root=/dev/nfs rootwait rw noinitrd ignore_loglevel"
+		IMAGE=cros-x86
+		KCFLAGS="$KCFLAGS -Wno-error=frame-larger-than="
+		;;
+	x86)
+		ARCH=x86
+		BOOT_DIR=$TFTP_ROOT/x86
+		IMAGE=bzImage
+		KCFLAGS="$KCFLAGS -Wno-error=frame-larger-than="
+		;;
+	zynqmp)
+		ARCH=arm64
+		BOOT_DIR=$TFTP_ROOT/xilinx
+		DTBS="xilinx/zynqmp-zcu106-revA.dtb"
+		IMAGE=Image
+		LOADADDR=0x10000000
+		KCFLAGS="$KCFLAGS -Wno-error=packed-not-aligned -Wno-error=sizeof-pointer-memaccess -Wno-error=stringop-truncation -Wno-error=stringop-overflow"
+		target_dir=$NFS_ROOT/zynqmp
+		;;
+	*)
+		echo "Invalid platform $PLATFORM"
+		exit 1
+		;;
+esac
+
+case $ARCH in
+	arm)
+		arch_dir=arm32
+		cross_compile=arm-buildroot-linux-uclibcgnueabihf-
+		image_kernel=zImage
+		;;
+	arm64)
+		arch_dir=arm64
+		cross_compile=aarch64-buildroot-linux-gnu-
+		image_kernel=Image
+		;;
+	x86)
+		arch_dir=x86
+		cross_compile=
+		image_kernel=bzImage
+		;;
+esac
+
+target_dir=${target_dir:-$NFS_ROOT/$arch_dir}
+output_dir=${output_dir:-$PWD/output/$arch_dir}
+
+#
+# Parallelize make with twice as many jobs as CPUs
+#
+
+num_cpus=$(cat /proc/cpuinfo | grep '^processor\b' | wc -l)
+pmake="make -j$((num_cpus*2))"
+
+OPTIONS="KALLSYMS_EXTRA_PASS=0 KCFLAGS='$KCFLAGS'"
+
+echo "Compiling for platform $PLATFORM with $num_cpus CPUs"
+
+mkdir -p $output_dir/
+
+if [[ -n "$opt_defconfig" ]] ; then
+	mkdir -p $output_dir/arch/$ARCH/configs/
+	cp $opt_defconfig $output_dir/arch/$ARCH/configs/build_defconfig
+	make ARCH=$ARCH O=$output_dir build_defconfig
+	rm $output_dir/arch/$ARCH/configs/build_defconfig
+fi
+
+if [[ $do_menu_config = 1 ]] ; then
+	make ARCH=$ARCH O=$output_dir menuconfig
+	exit 0
+fi
+
+#
+# Compile documentation if requested
+#
+
+if [[ $do_compile_doc = 1 ]] ; then
+	$pmake ARCH=$ARCH O=$output_dir DOCBOOKS='' htmldocs
+fi
+
+#
+# Compile the kernel, modules and DTBs
+#
+
+dtbs=
+for dtb in $DTBS ; do
+	dtb=${dtb/:*/}
+	dtbs="$dtbs $dtb"
+done
+
+eval $pmake ARCH=$ARCH O=$output_dir CROSS_COMPILE=$cross_compile $OPTIONS \
+	$image_kernel $dtbs
+
+grep 'CONFIG_MODULES=y' $output_dir/.config > /dev/null && modules=modules
+if [[ x$modules == xmodules ]] ; then
+	eval $pmake ARCH=$ARCH O=$output_dir CROSS_COMPILE=$cross_compile $OPTIONS \
+		$modules
+fi
+
+version=$(cat $output_dir/include/generated/utsrelease.h | cut -d '"' -f 2)
+
+#
+# Create the image
+#
+
+make_fit_image() {
+	local kernel_its=$output_dir/arch/$ARCH/boot/kernel_fdt.its
+
+	cat <<EOF > $kernel_its
+/dts-v1/;
+/ {
+	description = "Kernel + FDT image for $board board";
+	#address-cells = <1>;
+
+	images {
+		kernel {
+			description = "Linux kernel";
+			data = /incbin/("$output_dir/arch/$ARCH/boot/$image_kernel");
+			type = "kernel";
+			arch = "$ARCH";
+			os = "linux";
+			compression = "none";
+			load = <$LOADADDR>;
+			entry = <$LOADADDR>;
+			hash-1 {
+				algo = "crc32";
+			};
+			hash-2 {
+				algo = "sha1";
+			};
+		};
+EOF
+
+	local dtb
+
+	for dtb in $DTBS ; do
+		local src=${dtb/:*/}
+		local dst=${dtb/*:/}
+		dst=${dst/*\//}
+
+		cat <<EOF >> $kernel_its
+		fdt-$dst {
+			description = "Flattened Device Tree blob $dst";
+			data = /incbin/("$output_dir/arch/$ARCH/boot/dts/$src");
+			type = "flat_dt";
+			arch = "$ARCH";
+			compression = "none";
+			hash-1 {
+				algo = "crc32";
+			};
+			hash-2 {
+				algo = "sha1";
+			};
+		};
+EOF
+	done
+
+	local config=$(echo $DTBS | sed 's/.*[:/]//')
+	cat <<EOF >> $kernel_its
+	};
+
+	configurations {
+		default = "conf-$config";
+EOF
+	for dtb in $DTBS ; do
+		local dst=${dtb/*:/}
+		dst=${dst/*\//}
+
+		cat <<EOF >> $kernel_its
+		conf-$dst {
+			description = "Boot Linux kernel with $dst blob";
+			kernel = "kernel";
+			fdt = "fdt-$dst";
+		};
+EOF
+	done
+
+	cat <<EOF >> $kernel_its
+	};
+};
+EOF
+
+	PATH="$output_dir/scripts/dtc:$PATH" mkimage -f $kernel_its ${kernel_its/its/itb}
+}
+
+make_srec_image() {
+	local image=$output_dir/arch/$ARCH/boot/$image_kernel
+
+	cat $image | lzma -z -e > $image.xz
+	objcopy -I binary -O srec --srec-forceS3 --srec-len 516 \
+		$image.xz $image.xz.srec
+
+	for dtb in $DTBS ; do
+		local src=${dtb/:*/}
+
+		objcopy -I binary -O srec --srec-forceS3 --srec-len 516 \
+			$src $src.srec
+	done
+}
+
+make_uboot_image() {
+	mkimage -A $ARCH -O linux -T kernel -C none -a $LOADADDR -e $LOADADDR \
+		-n "Linux-${version}" -d $output_dir/arch/$ARCH/boot/$kernel_image \
+		$output_dir/arch/$ARCH/boot/uImage
+}
+
+make_cros_image() {
+	local boot_dir=$output_dir/arch/$ARCH/boot
+	local vmlinuz=$boot_dir/$1
+	local bootloader
+	local config
+
+	if [[ -f $opt_bootloader ]] ; then
+		bootloader=$opt_bootloader
+	else
+		dd if=/dev/zero of=$boot_dir/bootloader bs=512 count=1
+		bootloader=$boot_dir/bootloader
+	fi
+
+	if [[ -f $opt_cmdline_file ]] ; then
+		config=$opt_cmdline_file
+	else
+		echo "$CMDLINE" > $boot_dir/cmdline
+		config=$boot_dir/cmdline
+	fi
+
+	vbutil_kernel \
+		--pack $boot_dir/vmlinuz.image \
+		--version 1 \
+		--vmlinuz $vmlinuz \
+		--arch $ARCH \
+		--keyblock /usr/share/vboot/devkeys/kernel.keyblock \
+		--signprivate /usr/share/vboot/devkeys/kernel_data_key.vbprivk \
+		--config $config \
+		--bootloader $bootloader
+}
+
+case $IMAGE in
+FIT)
+	make_fit_image
+	image_file=$output_dir/arch/$ARCH/boot/kernel_fdt.itb
+	;;
+cros-arm)
+	make_fit_image
+	make_cros_image kernel_fdt.itb
+	image_file=$output_dir/arch/$ARCH/boot/vmlinuz.image
+	;;
+cros-x86)
+	make_fit_image
+	make_cros_image bzImage
+	image_file=$output_dir/arch/$ARCH/boot/vmlinuz.image
+	;;
+srec)
+	make_srec_image
+	image_file=$output_dir/arch/$ARCH/boot/$kernel_image.xz.srec
+	;;
+uImage)
+	make_uboot_image
+	image_file=$output_dir/arch/$ARCH/boot/uImage
+	;;
+*)
+	image_file=$output_dir/arch/$ARCH/boot/$IMAGE
+	;;
+esac
+
+#
+# Copy the files to their destination directories
+#
+
+copy_dtbs() {
+	local dtb
+	local target_dir=$1
+
+	for dtb in $DTBS ; do
+		local src=${dtb/:*/}
+		local dst=${dtb/*:/}
+		dst=${dst/*\//}
+
+		cp $output_dir/arch/${ARCH}/boot/dts/$src* $target_dir/$dst
+	done
+}
+
+mkdir -p $BOOT_DIR
+cp $image_file $BOOT_DIR/
+
+if [[ $IMAGE != FIT && $IMAGE != cros-arm && $IMAGE != cros-x86 ]] ; then
+	copy_dtbs $BOOT_DIR/
+fi
+
+if [[ x$modules = xmodules ]] ; then
+	$pmake ARCH=$ARCH O=$output_dir CROSS_COMPILE=$cross_compile INSTALL_MOD_PATH=$target_dir modules_install
+	echo "Kernel modules installed to $target_dir/lib/modules/$version"
+fi
+
+if [[ $do_package_deb = 1 ]] ; then
+	$pmake ARCH=$ARCH O=$output_dir CROSS_COMPILE=$cross_compile bindeb-pkg
+fi
+
+echo "Kernel image available in $image_file"
+echo "Build $version completed at $(date)"