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################################################################################
# Following variables defines how the NS_USER (Non Secure User - Client
# Application), NS_KERNEL (Non Secure Kernel), S_KERNEL (Secure Kernel) and
# S_USER (Secure User - TA) are compiled
################################################################################
override COMPILE_NS_USER := 64
override COMPILE_NS_KERNEL := 64
override COMPILE_S_USER := 64
override COMPILE_S_KERNEL := 64
# Need to set this before including common.mk
BUILDROOT_GETTY_PORT ?= ttyS0
include common.mk
################################################################################
# Paths to git projects and various binaries
################################################################################
ARM_TF_PATH ?= $(ROOT)/arm-trusted-firmware
ARM_TF_OUT ?= $(ARM_TF_PATH)/build/rpi3/debug
ARM_TF_BIN ?= $(ARM_TF_OUT)/bl31.bin
ARM_TF_TMP ?= $(ARM_TF_OUT)/bl31.tmp
ARM_TF_HEAD ?= $(ARM_TF_OUT)/bl31.head
ARM_TF_BOOT ?= $(ARM_TF_OUT)/optee.bin
U-BOOT_PATH ?= $(ROOT)/u-boot
U-BOOT_BIN ?= $(U-BOOT_PATH)/u-boot.bin
U-BOOT_RPI_BIN ?= $(U-BOOT_PATH)/u-boot-rpi.bin
RPI3_FIRMWARE_PATH ?= $(BUILD_PATH)/rpi3/firmware
RPI3_HEAD_BIN ?= $(ROOT)/out/head.bin
RPI3_BOOT_CONFIG ?= $(RPI3_FIRMWARE_PATH)/config.txt
RPI3_UBOOT_ENV ?= $(ROOT)/out/uboot.env
RPI3_UBOOT_ENV_TXT ?= $(RPI3_FIRMWARE_PATH)/uboot.env.txt
RPI3_STOCK_FW_PATH ?= $(ROOT)/firmware
RPI3_STOCK_FW_PATH_BOOT ?= $(RPI3_STOCK_FW_PATH)/boot
OPTEE_OS_PAGER ?= $(OPTEE_OS_PATH)/out/arm/core/tee-pager.bin
LINUX_IMAGE ?= $(LINUX_PATH)/arch/arm64/boot/Image
LINUX_DTB ?= $(LINUX_PATH)/arch/arm64/boot/dts/broadcom/bcm2710-rpi-3-b.dtb
MODULE_OUTPUT ?= $(ROOT)/module_output
################################################################################
# Targets
################################################################################
all: arm-tf buildroot optee-os u-boot u-boot-rpi-bin \
linux update_rootfs
clean: arm-tf-clean buildroot-clean u-boot-clean u-boot-rpi-bin-clean \
optee-os-clean head-bin-clean
include toolchain.mk
################################################################################
# ARM Trusted Firmware
################################################################################
ARM_TF_EXPORTS ?= \
CROSS_COMPILE="$(CCACHE)$(AARCH64_CROSS_COMPILE)"
ARM_TF_FLAGS ?= \
BL32=$(OPTEE_OS_BIN) \
DEBUG=1 \
V=0 \
CRASH_REPORTING=1 \
LOG_LEVEL=40 \
PLAT=rpi3 \
SPD=opteed
arm-tf: optee-os
$(ARM_TF_EXPORTS) $(MAKE) -C $(ARM_TF_PATH) $(ARM_TF_FLAGS) all
cd $(ARM_TF_OUT) && \
dd if=/dev/zero of=scratch bs=1c count=131072 && \
cat $(ARM_TF_BIN) scratch > $(ARM_TF_TMP) && \
dd if=$(ARM_TF_TMP) of=$(ARM_TF_HEAD) bs=1c count=131072 && \
cat $(ARM_TF_HEAD) $(OPTEE_OS_PAGER) > $(ARM_TF_BOOT) && \
rm scratch $(ARM_TF_TMP) $(ARM_TF_HEAD)
arm-tf-clean:
$(ARM_TF_EXPORTS) $(MAKE) -C $(ARM_TF_PATH) $(ARM_TF_FLAGS) clean
################################################################################
# Das U-Boot
################################################################################
U-BOOT_EXPORTS ?= CROSS_COMPILE=$(AARCH64_CROSS_COMPILE) ARCH=arm64
.PHONY: u-boot
u-boot: $(RPI3_HEAD_BIN)
$(U-BOOT_EXPORTS) $(MAKE) -C $(U-BOOT_PATH) rpi_3_defconfig
$(U-BOOT_EXPORTS) $(MAKE) -C $(U-BOOT_PATH) all
$(U-BOOT_EXPORTS) $(MAKE) -C $(U-BOOT_PATH) tools
u-boot-clean:
$(U-BOOT_EXPORTS) $(MAKE) -C $(U-BOOT_PATH) clean
u-boot-rpi-bin: $(RPI3_UBOOT_ENV) u-boot
cd $(U-BOOT_PATH) && cat $(RPI3_HEAD_BIN) $(U-BOOT_BIN) > $(U-BOOT_RPI_BIN)
u-boot-rpi-bin-clean:
rm -f $(U-BOOT_RPI_BIN)
$(RPI3_HEAD_BIN): $(RPI3_FIRMWARE_PATH)/head.S
mkdir -p $(ROOT)/out/
$(AARCH64_CROSS_COMPILE)as $< -o $(ROOT)/out/head.o
$(AARCH64_CROSS_COMPILE)objcopy -O binary $(ROOT)/out/head.o $@
head-bin-clean:
rm -f $(RPI3_HEAD_BIN) $(ROOT)/out/head.o
$(RPI3_UBOOT_ENV): $(RPI3_UBOOT_ENV_TXT) u-boot
mkdir -p $(ROOT)/out
$(U-BOOT_PATH)/tools/mkenvimage -s 0x4000 -o $(ROOT)/out/uboot.env $(RPI3_UBOOT_ENV_TXT)
u-boot-env-clean:
rm -f $(RPI3_UBOOT_ENV)
################################################################################
# Busybox
################################################################################
BUSYBOX_COMMON_TARGET = rpi3
BUSYBOX_CLEAN_COMMON_TARGET = rpi3 clean
busybox: busybox-common
busybox-clean: busybox-clean-common
busybox-cleaner: busybox-cleaner-common
################################################################################
# Linux kernel
################################################################################
LINUX_DEFCONFIG_COMMON_ARCH := arm64
LINUX_DEFCONFIG_COMMON_FILES := \
$(LINUX_PATH)/arch/arm64/configs/bcmrpi3_defconfig \
$(CURDIR)/kconfigs/rpi3.conf
linux-defconfig: $(LINUX_PATH)/.config
LINUX_COMMON_FLAGS += ARCH=arm64
linux: linux-common
$(MAKE) -C $(LINUX_PATH) $(LINUX_COMMON_FLAGS) INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=$(MODULE_OUTPUT) modules_install
linux-defconfig-clean: linux-defconfig-clean-common
LINUX_CLEAN_COMMON_FLAGS += ARCH=arm64
linux-clean: linux-clean-common
LINUX_CLEANER_COMMON_FLAGS += ARCH=arm64
linux-cleaner: linux-cleaner-common
################################################################################
# OP-TEE
################################################################################
OPTEE_OS_COMMON_FLAGS += PLATFORM=rpi3
optee-os: optee-os-common
OPTEE_OS_CLEAN_COMMON_FLAGS += PLATFORM=rpi3
optee-os-clean: optee-os-clean-common
################################################################################
# Root FS
################################################################################
.PHONY: update_rootfs
# Make sure this is built before the buildroot target which will create the
# root file system based on what's in $(BUILDROOT_TARGET_ROOT)
buildroot: update_rootfs
update_rootfs: arm-tf linux u-boot
@mkdir -p --mode=755 $(BUILDROOT_TARGET_ROOT)/boot
@mkdir -p --mode=755 $(BUILDROOT_TARGET_ROOT)/usr/bin
@install -v -p --mode=755 $(LINUX_DTB) $(BUILDROOT_TARGET_ROOT)/boot/bcm2710-rpi-3-b.dtb
@install -v -p --mode=755 $(RPI3_BOOT_CONFIG) $(BUILDROOT_TARGET_ROOT)/boot/config.txt
@install -v -p --mode=755 $(LINUX_IMAGE) $(BUILDROOT_TARGET_ROOT)/boot/Image
@install -v -p --mode=755 $(ARM_TF_BOOT) $(BUILDROOT_TARGET_ROOT)/boot/optee.bin
@install -v -p --mode=755 $(RPI3_UBOOT_ENV) $(BUILDROOT_TARGET_ROOT)/boot/uboot.env
@install -v -p --mode=755 $(U-BOOT_RPI_BIN) $(BUILDROOT_TARGET_ROOT)/boot/u-boot-rpi.bin
@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/bootcode.bin $(BUILDROOT_TARGET_ROOT)/boot/bootcode.bin
@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/COPYING.linux $(BUILDROOT_TARGET_ROOT)/boot/COPYING.linux
@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/fixup_cd.dat $(BUILDROOT_TARGET_ROOT)/boot/fixup_cd.dat
@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/fixup.dat $(BUILDROOT_TARGET_ROOT)/boot/fixup.dat
@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/fixup_db.dat $(BUILDROOT_TARGET_ROOT)/boot/fixup_db.dat
@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/fixup_x.dat $(BUILDROOT_TARGET_ROOT)/boot/fixup_x.dat
@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/LICENCE.broadcom $(BUILDROOT_TARGET_ROOT)/boot/LICENCE.broadcom
@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/start_cd.elf $(BUILDROOT_TARGET_ROOT)/boot/start_cd.elf
@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/start_db.elf $(BUILDROOT_TARGET_ROOT)/boot/start_db.elf
@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/start.elf $(BUILDROOT_TARGET_ROOT)/boot/start.elf
@install -v -p --mode=755 $(RPI3_STOCK_FW_PATH)/boot/start_x.elf $(BUILDROOT_TARGET_ROOT)/boot/start_x.elf
@cd $(MODULE_OUTPUT) && find . | cpio -pudm $(BUILDROOT_TARGET_ROOT)
# Creating images etc, could wipe out a drive on the system, therefore we don't
# want to automate that in script or make target. Instead we just simply provide
# the steps here.
.PHONY: img-help
img-help:
@echo "$$ fdisk /dev/sdx # where sdx is the name of your sd-card"
@echo " > p # prints partition table"
@echo " > d # repeat until all partitions are deleted"
@echo " > n # create a new partition"
@echo " > p # create primary"
@echo " > 1 # make it the first partition"
@echo " > <enter> # use the default sector"
@echo " > +32M # create a boot partition with 32MB of space"
@echo " > n # create rootfs partition"
@echo " > p"
@echo " > 2"
@echo " > <enter>"
@echo " > <enter> # fill the remaining disk, adjust size to fit your needs"
@echo " > t # change partition type"
@echo " > 1 # select first partition"
@echo " > e # use type 'e' (FAT16)"
@echo " > a # make partition bootable"
@echo " > 1 # select first partition"
@echo " > p # double check everything looks right"
@echo " > w # write partition table to disk."
@echo ""
@echo "run the following as root"
@echo " $$ mkfs.vfat -F16 -n BOOT /dev/sdx1"
@echo " $$ mkdir -p /media/boot"
@echo " $$ mount /dev/sdx1 /media/boot"
@echo " $$ cd /media"
@echo " $$ gunzip -cd $(ROOT)/out-br/images/rootfs.cpio.gz | sudo cpio -idmv \"boot/*\""
@echo " $$ umount boot"
@echo ""
@echo "run the following as root"
@echo " $$ mkfs.ext4 -L rootfs /dev/sdx2"
@echo " $$ mkdir -p /media/rootfs"
@echo " $$ mount /dev/sdx2 /media/rootfs"
@echo " $$ cd rootfs"
@echo " $$ gunzip -cd $(ROOT)/out-br/images/rootfs.cpio.gz | sudo cpio -idmv"
@echo " $$ rm -rf /media/rootfs/boot/*"
@echo " $$ cd .. && umount rootfs"
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