organize makefiles

targets/stm32l432/build/bootloader.mk

@@ -0,0 +1,74 @@
+CC=$(PREFIX)arm-none-eabi-gcc
+CP=$(PREFIX)arm-none-eabi-objcopy
+SZ=$(PREFIX)arm-none-eabi-size
+AR=$(PREFIX)arm-none-eabi-ar
+
+# ST related
+SRC = bootloader/main.c bootloader/bootloader.c
+SRC += src/init.c src/redirect.c src/flash.c src/rng.c src/led.c src/device.c
+SRC += src/fifo.c src/crypto.c src/attestation.c
+SRC += src/startup_stm32l432xx.s src/system_stm32l4xx.c
+SRC += $(wildcard lib/*.c) $(wildcard lib/usbd/*.c)
+
+# FIDO2 lib
+SRC += ../../fido2/util.c ../../fido2/u2f.c ../../fido2/extensions/extensions.c
+SRC += ../../fido2/stubs.c ../../fido2/log.c  ../../fido2/ctaphid.c  ../../fido2/ctap.c
+
+# Crypto libs
+SRC += ../../crypto/sha256/sha256.c ../../crypto/micro-ecc/uECC.c
+
+OBJ1=$(SRC:.c=.o)
+OBJ=$(OBJ1:.s=.o)
+
+
+INC = -Ibootloader/ -Isrc/ -Isrc/cmsis/ -Ilib/ -Ilib/usbd/ -I../../fido2/ -I../../fido2/extensions
+INC += -I../../tinycbor/src -I../../crypto/sha256 -I../../crypto/micro-ecc
+INC += -I../../crypto/tiny-AES-c
+
+ifndef LDSCRIPT
+LDSCRIPT=linker/bootloader_stm32l4xx.ld
+endif
+
+CFLAGS= $(INC)
+
+TARGET=bootloader
+HW=-mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb
+
+# Solo or Nucleo board
+CHIP=STM32L432xx
+
+ifndef DEBUG
+DEBUG=0
+endif
+
+DEFINES = -DDEBUG_LEVEL=$(DEBUG) -D$(CHIP) -DAES256=1  -DUSE_FULL_LL_DRIVER -DAPP_CONFIG=\"bootloader.h\" $(EXTRA_DEFINES)
+# DEFINES += -DTEST_SOLO_STM32 -DTEST -DTEST_FIFO=1
+
+CFLAGS=$(INC) -c $(DEFINES)   -Wall -fdata-sections -ffunction-sections $(HW) -g
+LDFLAGS_LIB=$(HW) $(SEARCH) -specs=nano.specs  -specs=nosys.specs  -Wl,--gc-sections  -lnosys
+LDFLAGS=$(HW) $(LDFLAGS_LIB) -T$(LDSCRIPT) -Wl,-Map=$(TARGET).map,--cref  -Wl,-Bstatic 
+
+
+.PRECIOUS: %.o
+
+all: $(TARGET).elf
+	$(SZ) $^
+
+
+%.o: %.c
+	$(CC) $^ $(HW)  -Os $(CFLAGS) -o $@
+
+../../crypto/micro-ecc/uECC.o: ../../crypto/micro-ecc/uECC.c
+	$(CC) $^ $(HW)  -Os $(CFLAGS) -o $@
+
+%.o: %.s
+	$(CC) $^ $(HW)  -Os $(CFLAGS) -o $@
+
+%.elf: $(OBJ)
+	$(CC) $^ $(HW) $(LDFLAGS) -o $@
+
+%.hex: %.elf
+	$(CP) -O ihex $^ $(TARGET).hex
+
+clean:
+	rm -f *.o src/*.o bootloader/*.o src/*.elf  $(OBJ)