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wolfBoot
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wolfBoot/Makefile

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## wolfBoot Makefile
#
# Configure by passing alternate values
# via environment variables.
#
# Configuration values: see tools/config.mk
-include .config
include tools/config.mk
## Initializers
CFLAGS:=-D__WOLFBOOT -DWOLFBOOT_VERSION=$(WOLFBOOT_VERSION)UL -ffunction-sections -fdata-sections
LSCRIPT:=config/target.ld
LDFLAGS:=-T $(LSCRIPT) -Wl,-gc-sections -Wl,-Map=wolfboot.map -ffreestanding -nostartfiles
OBJS:= \
./hal/$(TARGET).o \
./src/loader.o \
./src/string.o \
./src/image.o \
./src/libwolfboot.o
WOLFCRYPT_OBJS:=
PUBLIC_KEY_OBJS:=
UPDATE_OBJS:=
ifeq ($(SIGN),RSA4096)
SPMATH=0
endif
## Architecture/CPU configuration
include arch.mk
## DSA Settings
ifeq ($(SIGN),ECC256)
KEYGEN_OPTIONS+=--ecc256
SIGN_OPTIONS+=--ecc256
PRIVATE_KEY=ecc256.der
WOLFCRYPT_OBJS+= \
$(MATH_OBJS) \
./lib/wolfssl/wolfcrypt/src/ecc.o \
./lib/wolfssl/wolfcrypt/src/memory.o \
./lib/wolfssl/wolfcrypt/src/wc_port.o \
./lib/wolfssl/wolfcrypt/src/hash.o \
./src/xmalloc_ecc.o
CFLAGS+=-DWOLFBOOT_SIGN_ECC256 -DXMALLOC_USER \
-Wstack-usage=1024
PUBLIC_KEY_OBJS=./src/ecc256_pub_key.o
endif
ifeq ($(SIGN),ED25519)
KEYGEN_OPTIONS+=--ed25519
SIGN_OPTIONS+=--ed25519
PRIVATE_KEY=ed25519.der
WOLFCRYPT_OBJS+= ./lib/wolfssl/wolfcrypt/src/sha512.o \
./lib/wolfssl/wolfcrypt/src/ed25519.o \
./lib/wolfssl/wolfcrypt/src/ge_low_mem.o \
./lib/wolfssl/wolfcrypt/src/hash.o \
./lib/wolfssl/wolfcrypt/src/wolfmath.o \
./lib/wolfssl/wolfcrypt/src/fe_low_mem.o
PUBLIC_KEY_OBJS=./src/ed25519_pub_key.o
CFLAGS+=-DWOLFBOOT_SIGN_ED25519 -nostdlib \
-Wstack-usage=1024
LDFLAGS+=-nostdlib
endif
ifeq ($(SIGN),RSA2048)
KEYGEN_OPTIONS+=--rsa2048
SIGN_OPTIONS+=--rsa2048
PRIVATE_KEY=rsa2048.der
IMAGE_HEADER_SIZE=512
WOLFCRYPT_OBJS+= \
$(RSA_EXTRA_OBJS) \
$(MATH_OBJS) \
./lib/wolfssl/wolfcrypt/src/rsa.o \
./lib/wolfssl/wolfcrypt/src/asn.o \
./lib/wolfssl/wolfcrypt/src/hash.o \
./src/xmalloc_rsa.o
PUBLIC_KEY_OBJS=./src/rsa2048_pub_key.o
CFLAGS+=-DWOLFBOOT_SIGN_RSA2048 -DXMALLOC_USER $(RSA_EXTRA_CFLAGS) \
-Wstack-usage=12288 -DIMAGE_HEADER_SIZE=512
endif
ifeq ($(SIGN),RSA4096)
KEYGEN_OPTIONS+=--rsa4096
SIGN_OPTIONS+=--rsa4096
PRIVATE_KEY=rsa4096.der
IMAGE_HEADER_SIZE=1024
WOLFCRYPT_OBJS+= \
$(RSA_EXTRA_OBJS) \
$(MATH_OBJS) \
./lib/wolfssl/wolfcrypt/src/rsa.o \
./lib/wolfssl/wolfcrypt/src/asn.o \
./lib/wolfssl/wolfcrypt/src/hash.o \
./lib/wolfssl/wolfcrypt/src/wolfmath.o \
./src/xmalloc_rsa.o
PUBLIC_KEY_OBJS=./src/rsa4096_pub_key.o
CFLAGS+=-DWOLFBOOT_SIGN_RSA4096 -DXMALLOC_USER $(RSA_EXTRA_CFLAGS) \
-Wstack-usage=12288 -DIMAGE_HEADER_SIZE=1024
endif
CFLAGS+=-Wall -Wextra -Wno-main -ffreestanding -Wno-unused \
-I. -Iinclude/ -Ilib/wolfssl -nostartfiles \
-DWOLFSSL_USER_SETTINGS \
-DPLATFORM_$(TARGET)
ifeq ($(RAM_CODE),1)
CFLAGS+= -DRAM_CODE
endif
ifeq ($(DUALBANK_SWAP),1)
CFLAGS+= -DDUALBANK_SWAP
endif
ifeq ($(SPI_FLASH),1)
EXT_FLASH=1
CFLAGS+= -DSPI_FLASH=1
OBJS+= src/spi_flash.o
WOLFCRYPT_OBJS+=hal/spi/spi_drv_$(SPI_TARGET).o
endif
ifeq ($(UART_FLASH),1)
EXT_FLASH=1
endif
ifeq ($(EXT_FLASH),1)
CFLAGS+= -DEXT_FLASH=1 -DPART_UPDATE_EXT=1 -DPART_SWAP_EXT=1
ifeq ($(NO_XIP),1)
CFLAGS+=-DPART_BOOT_EXT=1
endif
ifeq ($(UART_FLASH),1)
CFLAGS+=-DUART_FLASH=1
OBJS+=src/uart_flash.o
WOLFCRYPT_OBJS+=hal/uart/uart_drv_$(UART_TARGET).o
endif
endif
ifeq ($(ALLOW_DOWNGRADE),1)
CFLAGS+= -DALLOW_DOWNGRADE
endif
ifeq ($(NVM_FLASH_WRITEONCE),1)
CFLAGS+= -DNVM_FLASH_WRITEONCE
endif
ifeq ($(DEBUG),1)
CFLAGS+=-O0 -g -ggdb3 -DDEBUG=1
else
CFLAGS+=-Os
endif
ifeq ($(V),0)
Q=@
endif
ifeq ($(VTOR),0)
CFLAGS+=-DNO_VTOR
endif
ifeq ($(PKA),1)
OBJS += $(PKA_EXTRA_OBJS)
CFLAGS+=$(PKA_EXTRA_CFLAGS)
endif
OBJS+=$(PUBLIC_KEY_OBJS)
OBJS+=$(UPDATE_OBJS)
ifeq ($(WOLFTPM),1)
OBJS += lib/wolfTPM/src/tpm2.o \
lib/wolfTPM/src/tpm2_packet.o \
lib/wolfTPM/src/tpm2_tis.o \
lib/wolfTPM/src/tpm2_wrap.o \
hal/spi/spi_drv_$(SPI_TARGET).o
CFLAGS+=-DWOLFTPM_SLB9670 -DWOLFTPM2_NO_WOLFCRYPT -DSIZEOF_LONG=4 -Ilib/wolfTPM \
-DMAX_COMMAND_SIZE=1024 -DMAX_RESPONSE_SIZE=1024 -DWOLFTPM2_MAX_BUFFER=1500 -DMAX_SESSION_NUM=1 -DMAX_DIGEST_BUFFER=973 \
-DWOLFTPM_SMALL_STACK
else
OBJS+=$(WOLFCRYPT_OBJS)
endif
ASFLAGS:=$(CFLAGS)
all: factory.bin
wolfboot.bin: wolfboot.elf
@echo "\t[BIN] $@"
$(Q)$(OBJCOPY) -O binary $^ $@
wolfboot.hex: wolfboot.elf
@echo "\t[HEX] $@"
$(Q)$(OBJCOPY) -O ihex $^ $@
align: wolfboot-align.bin
.bootloader-partition-size:
@printf "%d" $(WOLFBOOT_PARTITION_BOOT_ADDRESS) > .wolfboot-offset
@printf "%d" $(ARCH_FLASH_OFFSET) > .wolfboot-arch-offset
@expr `cat .wolfboot-offset` - `cat .wolfboot-arch-offset` > .bootloader-partition-size
@rm -f .wolfboot-offset .wolfboot-arch-offset
wolfboot-align.bin: .bootloader-partition-size wolfboot.bin
@dd if=/dev/zero bs=`cat .bootloader-partition-size` count=1 2>/dev/null | tr "\000" "\377" > $(@)
@dd if=wolfboot.bin of=$(@) conv=notrunc 2>/dev/null
@echo
@echo "\t[SIZE]"
@$(SIZE) wolfboot.elf
@echo
test-app/image.bin: wolfboot-align.bin
@make -C test-app
@rm -f src/*.o hal/*.o
@$(SIZE) test-app/image.elf
standalone:
@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
@$(SIZE) test-app/image.elf
include tools/test.mk
ed25519.der:
@$(KEYGEN_TOOL) $(KEYGEN_OPTIONS) src/ed25519_pub_key.c
ecc256.der:
@$(KEYGEN_TOOL) $(KEYGEN_OPTIONS) src/ecc256_pub_key.c
rsa2048.der:
@$(KEYGEN_TOOL) $(KEYGEN_OPTIONS) src/rsa2048_pub_key.c
rsa4096.der:
@$(KEYGEN_TOOL) $(KEYGEN_OPTIONS) src/rsa4096_pub_key.c
keytools:
@make -C tools/keytools
factory.bin: $(BOOT_IMG) wolfboot-align.bin $(PRIVATE_KEY)
@echo "\t[SIGN] $(BOOT_IMG)"
$(Q)$(SIGN_TOOL) $(SIGN_OPTIONS) $(BOOT_IMG) $(PRIVATE_KEY) 1
@echo "\t[MERGE] $@"
@cat wolfboot-align.bin test-app/image_v1_signed.bin > $@
wolfboot.elf: include/target.h $(OBJS) $(LSCRIPT) FORCE
@echo "\t[LD] $@"
$(Q)$(LD) $(LDFLAGS) -Wl,--start-group $(OBJS) -Wl,--end-group -o $@
$(LSCRIPT): hal/$(TARGET).ld .bootloader-partition-size FORCE
@cat hal/$(TARGET).ld | \
sed -e "s/##WOLFBOOT_PARTITION_BOOT_ADDRESS##/`cat .bootloader-partition-size`/g" \
> $@
src/ed25519_pub_key.c: ed25519.der
src/ecc256_pub_key.c: ecc256.der
src/rsa2048_pub_key.c: rsa2048.der
src/rsa4096_pub_key.c: rsa4096.der
keys: $(PRIVATE_KEY)
clean:
@find . -type f -name "*.o" | xargs rm -f
@rm -f *.bin *.elf wolfboot.map *.bin *.hex config/target.ld .bootloader-partition-size
@make -C test-app clean
distclean: clean
@rm -f *.pem *.der tags ./src/ed25519_pub_key.c ./src/ecc256_pub_key.c ./src/rsa2048_pub_key.c include/target.h
@make -C tools/keytools clean
include/target.h: include/target.h.in FORCE
@cat include/target.h.in | \
sed -e "s/##WOLFBOOT_PARTITION_SIZE##/$(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" \
> $@
config: FORCE
make -C config
%.o:%.c
@echo "\t[CC-$(ARCH)] $@"
$(Q)$(CC) $(CFLAGS) -c -o $@ $^
%.o:%.S
@echo "\t[AS-$(ARCH)] $@"
$(Q)$(CC) $(CFLAGS) -c -o $@ $^
FORCE:
.PHONY: FORCE clean
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