qemu.mk

################################################################################
# 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   := 32
override COMPILE_NS_KERNEL := 32
override COMPILE_S_USER    := 32
override COMPILE_S_KERNEL  := 32

-include common.mk

################################################################################
# Paths to git projects and various binaries
################################################################################
BIOS_QEMU_PATH			?= $(ROOT)/bios_qemu_tz_arm
QEMU_PATH			?= $(ROOT)/qemu

SOC_TERM_PATH			?= $(ROOT)/soc_term

DEBUG = 1

################################################################################
# Targets
################################################################################
all: bios-qemu qemu soc-term
all-clean: bios-qemu-clean busybox-clean linux-clean optee-os-clean \
	optee-client-clean optee-linuxdriver-clean qemu-clean soc-term-clean \
	check-clean

-include toolchain.mk

################################################################################
# QEMU
################################################################################
define bios-qemu-common
	+$(MAKE) -C $(BIOS_QEMU_PATH) \
		CROSS_COMPILE=$(CROSS_COMPILE_NS_USER) \
		O=$(ROOT)/out/bios-qemu \
		BIOS_NSEC_BLOB=$(LINUX_PATH)/arch/arm/boot/zImage \
		BIOS_NSEC_ROOTFS=$(GEN_ROOTFS_PATH)/filesystem.cpio.gz \
		BIOS_SECURE_BLOB=$(OPTEE_OS_BIN) \
		PLATFORM_FLAVOR=virt
endef

bios-qemu: update_rootfs optee-os
	$(call bios-qemu-common)

bios-qemu-clean:
	$(call bios-qemu-common) clean

qemu:
	cd $(QEMU_PATH); ./configure --target-list=arm-softmmu --cc="$(CCACHE)gcc" --extra-cflags="-Wno-error"
	$(MAKE) -C $(QEMU_PATH)

qemu-clean:
	$(MAKE) -C $(QEMU_PATH) distclean

################################################################################
# Busybox
################################################################################
BUSYBOX_COMMON_TARGET = vexpress
BUSYBOX_CLEAN_COMMON_TARGET = vexpress clean

busybox: busybox-common

busybox-clean: busybox-clean-common

busybox-cleaner: busybox-cleaner-common

################################################################################
# Linux kernel
################################################################################
LINUX_DEFCONFIG_COMMON_ARCH := arm
LINUX_DEFCONFIG_COMMON_FILES := \
		$(LINUX_PATH)/arch/arm/configs/vexpress_defconfig \
		$(CURDIR)/kconfigs/qemu.conf

linux-defconfig: $(LINUX_PATH)/.config

LINUX_COMMON_FLAGS += ARCH=arm

linux: linux-common

linux-defconfig-clean: linux-defconfig-clean-common

LINUX_CLEAN_COMMON_FLAGS += ARCH=arm

linux-clean: linux-clean-common

LINUX_CLEANER_COMMON_FLAGS += ARCH=arm

linux-cleaner: linux-cleaner-common

################################################################################
# OP-TEE
################################################################################
OPTEE_OS_COMMON_FLAGS += PLATFORM=vexpress-qemu_virt
optee-os: optee-os-common

OPTEE_OS_CLEAN_COMMON_FLAGS += PLATFORM=vexpress-qemu_virt
optee-os-clean: optee-os-clean-common

optee-client: optee-client-common

optee-client-clean: optee-client-clean-common

OPTEE_LINUXDRIVER_COMMON_FLAGS += ARCH=arm
optee-linuxdriver: optee-linuxdriver-common

OPTEE_LINUXDRIVER_CLEAN_COMMON_FLAGS += ARCH=arm
optee-linuxdriver-clean: optee-linuxdriver-clean-common

################################################################################
# Soc-term
################################################################################
soc-term:
	$(MAKE) -C $(SOC_TERM_PATH)

soc-term-clean:
	$(MAKE) -C $(SOC_TERM_PATH) clean

################################################################################
# xtest / optee_test
################################################################################
xtest: xtest-common

xtest-clean: xtest-clean-common

xtest-patch: xtest-patch-common

################################################################################
# Root FS
################################################################################
.PHONY: filelist-tee
filelist-tee: xtest
	@echo "# xtest / optee_test" > $(GEN_ROOTFS_FILELIST)
	@find $(OPTEE_TEST_OUT_PATH) -type f -name "xtest" | sed 's/\(.*\)/file \/bin\/xtest \1 755 0 0/g' >> $(GEN_ROOTFS_FILELIST)
	@echo "# TAs" >> $(GEN_ROOTFS_FILELIST)
	@echo "dir /lib/optee_armtz 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@find $(OPTEE_TEST_OUT_PATH) -name "*.ta" | \
		sed 's/\(.*\)\/\(.*\)/file \/lib\/optee_armtz\/\2 \1\/\2 444 0 0/g' >> $(GEN_ROOTFS_FILELIST)
	@echo "# Secure storage dig" >> $(GEN_ROOTFS_FILELIST)
	@echo "dir /data 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "dir /data/tee 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "# OP-TEE device" >> $(GEN_ROOTFS_FILELIST)
	@echo "dir /lib/modules 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "dir /lib/modules/$(call KERNEL_VERSION) 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "file /lib/modules/$(call KERNEL_VERSION)/optee.ko $(OPTEE_LINUXDRIVER_PATH)/core/optee.ko 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "file /lib/modules/$(call KERNEL_VERSION)/optee_armtz.ko $(OPTEE_LINUXDRIVER_PATH)/armtz/optee_armtz.ko 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "# OP-TEE Client" >> $(GEN_ROOTFS_FILELIST)
	@echo "file /bin/tee-supplicant $(OPTEE_CLIENT_EXPORT)/bin/tee-supplicant 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "dir /lib/arm-linux-gnueabihf 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "file /lib/arm-linux-gnueabihf/libteec.so.1.0 $(OPTEE_CLIENT_EXPORT)/lib/libteec.so.1.0 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "slink /lib/arm-linux-gnueabihf/libteec.so.1 libteec.so.1.0 755 0 0" >> $(GEN_ROOTFS_FILELIST)
	@echo "slink /lib/arm-linux-gnueabihf/libteec.so libteec.so.1 755 0 0" >> $(GEN_ROOTFS_FILELIST)

update_rootfs: busybox optee-client optee-linuxdriver filelist-tee
	cat $(GEN_ROOTFS_PATH)/filelist-final.txt $(GEN_ROOTFS_PATH)/filelist-tee.txt > $(GEN_ROOTFS_PATH)/filelist.tmp
	cd $(GEN_ROOTFS_PATH); \
		$(LINUX_PATH)/usr/gen_init_cpio $(GEN_ROOTFS_PATH)/filelist.tmp | gzip > $(GEN_ROOTFS_PATH)/filesystem.cpio.gz

################################################################################
# Run targets
################################################################################
define run-help
	@echo "Run QEMU"
	@echo QEMU is now waiting to start the execution
	@echo Start execution with either a \'c\' followed by \<enter\> in the QEMU console or
	@echo attach a debugger and continue from there.
	@echo
	@echo To run xtest paste the following on the serial 0 prompt
	@echo modprobe optee_armtz
	@echo sleep 0.1
	@echo tee-supplicant\&
	@echo sleep 0.1
	@echo xtest
	@echo
	@echo To run a single test case replace the xtest command with for instance
	@echo xtest 2001
endef

define launch-terminal
	@nc -z  127.0.0.1 $(1) || \
	xterm -title $(2) -e $(BASH) -c "$(SOC_TERM_PATH)/soc_term $(1)" &
endef

define wait-for-ports
       @while ! nc -z 127.0.0.1 $(1) || ! nc -z 127.0.0.1 $(2); do sleep 1; done
endef

.PHONY: run
# This target enforces updating root fs etc
run: all
	$(MAKE) run-only

.PHONY: run-only
run-only:
	$(call run-help)
	$(call launch-terminal,54320,"Normal World")
	$(call launch-terminal,54321,"Secure World")
	$(call wait-for-ports,54320,54321)
	$(QEMU_PATH)/arm-softmmu/qemu-system-arm \
		-nographic \
		-serial tcp:localhost:54320 -serial tcp:localhost:54321 \
		-s -S -machine virt -machine secure=on -cpu cortex-a15 \
		-m 1057 \
		-bios $(ROOT)/out/bios-qemu/bios.bin $(QEMU_EXTRA_ARGS)


ifneq ($(filter check,$(MAKECMDGOALS)),)
CHECK_DEPS := all
endif

check-args := --bios $(ROOT)/out/bios-qemu/bios.bin
ifneq ($(TIMEOUT),)
check-args += --timeout $(TIMEOUT)
endif

check: $(CHECK_DEPS)
	expect qemu-check.exp -- $(check-args) || \
		(if [ "$(DUMP_LOGS_ON_ERROR)" ]; then \
			echo "== $$PWD/serial0.log:"; \
			cat serial0.log; \
			echo "== end of $$PWD/serial0.log:"; \
			echo "== $$PWD/serial1.log:"; \
			cat serial1.log; \
			echo "== end of $$PWD/serial1.log:"; \
		fi; false)

check-only: check

check-clean:
	rm -f serial0.log serial1.log