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# Makefile
#
# Copyright (C) 2006-2021 wolfSSL Inc.
#
# This file is part of wolfSSL. (formerly known as CyaSSL)
#
#
CROSS_COMPILE:=arm-none-eabi-
CC:=$(CROSS_COMPILE)gcc
LD:=$(CROSS_COMPILE)gcc
LSCRIPT:=target.ld
WOLFSSL_ROOT=$(PWD)/../..
WOLFSSL_BUILD=build/wolfssl
OBJCOPY:=$(CROSS_COMPILE)objcopy
CFLAGS:=-mthumb -g -ggdb -Wall -Wextra -Wno-main -fsigned-char -Wstack-usage=65535 -Wno-unused -I$(WOLFSSL_ROOT) -I.
CFLAGS+=-lc -lg -lm -Wno-pointer-sign
#CFLAGS+=-mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -lm
CFLAGS+=-mcpu=cortex-m3
CFLAGS+=-DWOLFSSL_USER_SETTINGS
ASFLAGS+=-mthumb -mlittle-endian -mthumb-interwork -ggdb -ffreestanding -mcpu=cortex-m3
LDFLAGS:=-T $(LSCRIPT) -Wl,-gc-sections -Wl,-Map=image.map -mthumb -mthumb-interwork -mlittle-endian
#LDFLAGS+=-mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -lm
LDFLAGS+=-mcpu=cortex-m3
LDFLAGS+=-lc -lg -lm
LDFLAGS+=--specs=nosys.specs
OBJS:=main.o startup.o devices.o memory-tls.o
WOLFSSL_OBJS += \
$(WOLFSSL_BUILD)/internal.o \
$(WOLFSSL_BUILD)/wolfio.o \
$(WOLFSSL_BUILD)/keys.o \
$(WOLFSSL_BUILD)/crl.o \
$(WOLFSSL_BUILD)/ssl.o \
$(WOLFSSL_BUILD)/tls.o \
$(WOLFSSL_BUILD)/wolfcrypt/aes.o \
$(WOLFSSL_BUILD)/wolfcrypt/asn.o \
$(WOLFSSL_BUILD)/wolfcrypt/chacha.o \
$(WOLFSSL_BUILD)/wolfcrypt/chacha20_poly1305.o \
$(WOLFSSL_BUILD)/wolfcrypt/coding.o \
$(WOLFSSL_BUILD)/wolfcrypt/curve25519.o \
$(WOLFSSL_BUILD)/wolfcrypt/dh.o \
$(WOLFSSL_BUILD)/wolfcrypt/dsa.o \
$(WOLFSSL_BUILD)/wolfcrypt/error.o \
$(WOLFSSL_BUILD)/wolfcrypt/ecc.o \
$(WOLFSSL_BUILD)/wolfcrypt/ed25519.o \
$(WOLFSSL_BUILD)/wolfcrypt/rsa.o \
$(WOLFSSL_BUILD)/wolfcrypt/fe_low_mem.o \
$(WOLFSSL_BUILD)/wolfcrypt/fe_operations.o \
$(WOLFSSL_BUILD)/wolfcrypt/ge_low_mem.o \
$(WOLFSSL_BUILD)/wolfcrypt/ge_operations.o \
$(WOLFSSL_BUILD)/wolfcrypt/hash.o \
$(WOLFSSL_BUILD)/wolfcrypt/hmac.o \
$(WOLFSSL_BUILD)/wolfcrypt/integer.o \
$(WOLFSSL_BUILD)/wolfcrypt/logging.o \
$(WOLFSSL_BUILD)/wolfcrypt/md5.o \
$(WOLFSSL_BUILD)/wolfcrypt/memory.o \
$(WOLFSSL_BUILD)/wolfcrypt/poly1305.o \
$(WOLFSSL_BUILD)/wolfcrypt/pwdbased.o \
$(WOLFSSL_BUILD)/wolfcrypt/random.o \
$(WOLFSSL_BUILD)/wolfcrypt/kdf.o \
$(WOLFSSL_BUILD)/wolfcrypt/sha.o \
$(WOLFSSL_BUILD)/wolfcrypt/sha256.o \
$(WOLFSSL_BUILD)/wolfcrypt/sha512.o \
$(WOLFSSL_BUILD)/wolfcrypt/wc_encrypt.o \
$(WOLFSSL_BUILD)/wolfcrypt/wc_port.o \
$(WOLFSSL_BUILD)/wolfcrypt/wolfmath.o \
$(WOLFSSL_BUILD)/wolfcrypt/iotsafe.o \
$(WOLFSSL_BUILD)/tls13.o
OBJS_SPMATH:= $(WOLFSSL_BUILD)/wolfcrypt/sp_c32.o \
$(WOLFSSL_BUILD)/wolfcrypt/sp_int.o
OBJS+=$(WOLFSSL_OBJS) $(OBJS_SPMATH)
vpath %.c $(dir $(WOLFSSL_ROOT)/src)
vpath %.c $(dir $(WOLFSSL_ROOT)/wolfcrypt/src)
#CFLAGS+=-g -ggdb3
CFLAGS+=-Os
#all: image.bin
image.bin: image.elf
$(OBJCOPY) -O binary $^ $@
image.elf: $(WOLFSSL_BUILD)/wolfcrypt $(OBJS) $(LSCRIPT)
$(LD) $(LDFLAGS) $(OBJS) -o $@
$(WOLFSSL_BUILD)/wolfcrypt:
mkdir -p $(@)
%.o:%.S
$(CC) -c -o $(@) $(CFLAGS) $^
%.o:%.c
$(CC) -c -o $(@) $(CFLAGS) $^
$(WOLFSSL_BUILD)/%.o: $(WOLFSSL_ROOT)/src/%.c
$(CC) -c -o $(@) $(CFLAGS) $^
$(WOLFSSL_BUILD)/wolfcrypt/%.o: $(WOLFSSL_ROOT)/wolfcrypt/src/%.c
$(CC) -c -o $(@) $(CFLAGS) $^
$(WOLFSSL_BUILD)/wolfcrypt/iotsafe.o: $(WOLFSSL_ROOT)/wolfcrypt/src/port/iotsafe/iotsafe.c
$(CC) -c -o $(@) $(CFLAGS) $^
clean:
rm -f image.bin image.elf *.o image.map
rm -rf build
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