## wolfBoot Makefile
#
# Configure by passing alternate values
# via environment variables.
#
# Configuration values: see tools/config.mk
-include .config
include tools/config.mk

## Initializers
WOLFBOOT_ROOT?=$(PWD)
CFLAGS:=-D"__WOLFBOOT"
CFLAGS+=-Werror -Wextra
LSCRIPT:=config/target.ld
LDFLAGS:=
LD_START_GROUP:=-Wl,--start-group
LD_END_GROUP:=-Wl,--end-group

OBJS:= \
./hal/$(TARGET).o \
./src/loader.o \
./src/string.o \
./src/image.o \
./src/libwolfboot.o
WOLFCRYPT_OBJS:=
PUBLIC_KEY_OBJS:=
UPDATE_OBJS:=

## Architecture/CPU configuration
include arch.mk

# Parse config options
include options.mk

CFLAGS+= \
  -I"." -I"include/" -I"lib/wolfssl" \
  -D"WOLFSSL_USER_SETTINGS" \
  -D"WOLFTPM_USER_SETTINGS" \
  -D"PLATFORM_$(TARGET)"

# Setup default optimizations (for GCC)
ifneq ($(TARGET),x86_64_efi)
  ifeq ($(USE_GCC),1)
    CFLAGS+=-Wall -Wextra -Wno-main -ffreestanding -Wno-unused -nostartfiles
    CFLAGS+=-ffunction-sections -fdata-sections
    LDFLAGS+=-T $(LSCRIPT) -Wl,-gc-sections -Wl,-Map=wolfboot.map -ffreestanding -nostartfiles
  endif
endif

MAIN_TARGET=factory.bin

ifeq ($(TARGET),stm32l5)
    # Don't build a contiguous image
	MAIN_TARGET:=wolfboot.bin test-app/image_v1_signed.bin
endif

ifeq ($(TARGET),stm32u5)
    # Don't build a contiguous image
	MAIN_TARGET:=wolfboot.bin test-app/image_v1_signed.bin
endif

ifeq ($(TARGET),x86_64_efi)
	MAIN_TARGET:=wolfboot.efi
endif

ASFLAGS:=$(CFLAGS)

BOOTLOADER_PARTITION_SIZE?=$$(( $(WOLFBOOT_PARTITION_BOOT_ADDRESS) - $(ARCH_FLASH_OFFSET)))

all: $(MAIN_TARGET)

wolfboot.efi: wolfboot.elf
	@echo "\t[BIN] $@"
	$(Q)$(OBJCOPY)  -j .text -j .sdata -j .data \
                -j .dynamic -j .dynsym  -j .rel \
                -j .rela -j .reloc -j .eh_frame \
                --target=efi-app-x86_64 --subsystem=10 $^ $@
	@echo
	@echo "\t[SIZE]"
	$(Q)$(SIZE) wolfboot.efi
	@echo

wolfboot.bin: wolfboot.elf
	@echo "\t[BIN] $@"
	$(Q)$(OBJCOPY) -O binary $^ $@
	@echo
	@echo "\t[SIZE]"
	$(Q)$(SIZE) wolfboot.elf
	@echo

test-app/image.bin: wolfboot.elf
	$(Q)$(MAKE) -C test-app WOLFBOOT_ROOT=$(WOLFBOOT_ROOT)
	$(Q)$(SIZE) test-app/image.elf

standalone:
	$(Q)make -C test-app TARGET=$(TARGET) EXT_FLASH=$(EXT_FLASH) SPI_FLASH=$(SPI_FLASH) ARCH=$(ARCH) \
    NO_XIP=$(NO_XIP) V=$(V) RAM_CODE=$(RAM_CODE) WOLFBOOT_VERSION=$(WOLFBOOT_VERSION)\
	MCUXPRESSO=$(MCUXPRESSO) MCUXPRESSO_CPU=$(MCUXPRESSO_CPU) MCUXPRESSO_DRIVERS=$(MCUXPRESSO_DRIVERS) \
	MCUXPRESSO_CMSIS=$(MCUXPRESSO_CMSIS) NVM_FLASH_WRITEONCE=$(NVM_FLASH_WRITEONCE) \
	FREEDOM_E_SDK=$(FREEDOM_E_SDK) standalone
	$(Q)$(OBJCOPY) -O binary test-app/image.elf standalone.bin
	$(Q)$(SIZE) test-app/image.elf

include tools/test.mk
include tools/test-enc.mk
include tools/test-delta.mk

ed25519.der:
	$(Q)$(KEYGEN_TOOL) $(KEYGEN_OPTIONS) src/ed25519_pub_key.c
ed448.der:
	$(Q)$(KEYGEN_TOOL) $(KEYGEN_OPTIONS) src/ed448_pub_key.c
ecc256.der:
	$(Q)$(KEYGEN_TOOL) $(KEYGEN_OPTIONS) src/ecc256_pub_key.c
rsa2048.der:
	$(Q)$(KEYGEN_TOOL) $(KEYGEN_OPTIONS) src/rsa2048_pub_key.c
rsa4096.der:
	$(Q)$(KEYGEN_TOOL) $(KEYGEN_OPTIONS) src/rsa4096_pub_key.c

keytools:
	@make -C tools/keytools clean
	@make -C tools/keytools

test-app/image_v1_signed.bin: test-app/image.bin
	@echo "\t[SIGN] $(BOOT_IMG)"
	$(Q)$(SIGN_TOOL) $(SIGN_OPTIONS) $(BOOT_IMG) $(PRIVATE_KEY) 1

factory.bin: $(BOOT_IMG) wolfboot.bin $(PRIVATE_KEY) test-app/image_v1_signed.bin $(BINASSEMBLE)
	@echo "\t[MERGE] $@"
	$(Q)$(BINASSEMBLE) $@ $(ARCH_FLASH_OFFSET) wolfboot.bin \
                              $(WOLFBOOT_PARTITION_BOOT_ADDRESS) test-app/image_v1_signed.bin

wolfboot.elf: include/target.h $(OBJS) $(LSCRIPT) FORCE
	@echo "\t[LD] $@"
	@echo $(OBJS)
	$(Q)$(LD) $(LDFLAGS) $(LD_START_GROUP) $(OBJS) $(LD_END_GROUP) -o $@

$(LSCRIPT): hal/$(TARGET).ld FORCE
	@cat hal/$(TARGET).ld | \
		sed -e "s/##WOLFBOOT_PARTITION_BOOT_ADDRESS##/$(BOOTLOADER_PARTITION_SIZE)/g" | \
		sed -e "s/##WOLFBOOT_ORIGIN##/$(WOLFBOOT_ORIGIN)/g" \
		> $@

hex: wolfboot.hex

%.hex:%.elf
	@echo "\t[ELF2HEX] $@"
	@$(OBJCOPY) -O ihex $^ $@

src/ed25519_pub_key.c: ed25519.der

src/ed448_pub_key.c: ed448.der

src/ecc256_pub_key.c: ecc256.der

src/rsa2048_pub_key.c: rsa2048.der

src/rsa4096_pub_key.c: rsa4096.der

keys: $(PRIVATE_KEY)

clean:
	@find . -type f -name "*.o" | xargs rm -f
	@rm -f *.bin *.elf wolfboot.map test-update.rom *.hex config/target.ld
	@make -C test-app clean
	@make -C tools/check_config clean

distclean: clean
	@rm -f *.pem *.der tags ./src/*_pub_key.c include/target.h
	$(Q)$(MAKE) -C tools/keytools clean
	$(Q)$(MAKE) -C tools/delta clean
	$(Q)$(MAKE) -C tools/bin-assemble clean
	$(Q)$(MAKE) -C tools/check_config clean
	$(Q)$(MAKE) -C tools/test-expect-version clean
	$(Q)$(MAKE) -C tools/test-update-server clean
	$(Q)$(MAKE) -C tools/uart-flash-server clean
	$(Q)$(MAKE) -C tools/unit-tests clean

include/target.h: include/target.h.in FORCE
	@cat include/target.h.in | \
	sed -e "s/##WOLFBOOT_PARTITION_SIZE##/$(WOLFBOOT_PARTITION_SIZE)/g" | \
	sed -e "s/##WOLFBOOT_SECTOR_SIZE##/$(WOLFBOOT_SECTOR_SIZE)/g" | \
	sed -e "s/##WOLFBOOT_PARTITION_BOOT_ADDRESS##/$(WOLFBOOT_PARTITION_BOOT_ADDRESS)/g" | \
	sed -e "s/##WOLFBOOT_PARTITION_UPDATE_ADDRESS##/$(WOLFBOOT_PARTITION_UPDATE_ADDRESS)/g" | \
	sed -e "s/##WOLFBOOT_PARTITION_SWAP_ADDRESS##/$(WOLFBOOT_PARTITION_SWAP_ADDRESS)/g" | \
	sed -e "s/##WOLFBOOT_DTS_BOOT_ADDRESS##/$(WOLFBOOT_DTS_BOOT_ADDRESS)/g" | \
	sed -e "s/##WOLFBOOT_DTS_UPDATE_ADDRESS##/$(WOLFBOOT_DTS_UPDATE_ADDRESS)/g" | \
	sed -e "s/##WOLFBOOT_LOAD_ADDRESS##/$(WOLFBOOT_LOAD_ADDRESS)/g" | \
	sed -e "s/##WOLFBOOT_LOAD_DTS_ADDRESS##/$(WOLFBOOT_LOAD_DTS_ADDRESS)/g" \
		> $@

delta: tools/delta/bmdiff

tools/delta/bmdiff: FORCE
	$(Q)$(MAKE) -C tools/delta

delta-test: FORCE
	$(Q)$(MAKE) -C tools/delta $@


config: FORCE
	make -C config

check_config:
	make -C tools/check_config run

%.o:%.c
	@echo "\t[CC-$(ARCH)] $@"
	$(Q)$(CC) $(CFLAGS) -c $(OUTPUT_FLAG) $@ $^

%.o:%.S
	@echo "\t[AS-$(ARCH)] $@"
	$(Q)$(CC) $(CFLAGS) -c $(OUTPUT_FLAG) $@ $^

FORCE:

.PHONY: FORCE clean