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# "stm32-native" projects
SELF-TESTS = fmc-test led-test short-test uart-test fmc-perf
vpath %.c self-test
# apps originally written for unix-like environment
LIBHAL-TESTS = cores test-bus test-trng test-hash test-aes-key-wrap test-pbkdf2 test-ecdsa test-rsa test-rpc_server
vpath %.c libhal/tests libhal/utils
# absolute path, because we're going to be passing -I cflags to sub-makes
TOPLEVEL = $(shell pwd)
# Location of the Libraries folder from the STM32F0xx Standard Peripheral Library
STD_PERIPH_LIB = $(TOPLEVEL)/Drivers
# linker script
LDSCRIPT = $(TOPLEVEL)/Device/ldscripts/stm32f429bitx.ld
# board-specific objects, to link into every project
BOARD_OBJS = stm32f4xx_hal_msp.o stm32f4xx_it.o stm-fmc.o stm-init.o stm-uart.o \
Device/startup_stm32f429xx.o Device/system_stm32f4xx.o
# a few objects for libhal/test projects
LIBC_OBJS = syscalls.o printf.o gettimeofday.o
LIBS = $(STD_PERIPH_LIB)/libstmf4.a libhal/libhal.a thirdparty/libtfm/libtfm.a
# cross-building tools
PREFIX=arm-none-eabi-
export CC=$(PREFIX)gcc
export AS=$(PREFIX)as
export AR=$(PREFIX)ar
export OBJCOPY=$(PREFIX)objcopy
export OBJDUMP=$(PREFIX)objdump
export SIZE=$(PREFIX)size
# whew, that's a lot of cflags
CFLAGS = -ggdb -O2 -Wall -Warray-bounds #-Wextra
CFLAGS += -mcpu=cortex-m4 -mthumb -mlittle-endian -mthumb-interwork
CFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
CFLAGS += -DUSE_STDPERIPH_DRIVER -DSTM32F4XX -DSTM32F429xx
CFLAGS += -ffunction-sections -fdata-sections
CFLAGS += -Wl,--gc-sections
CFLAGS += -std=c99
CFLAGS += -I $(TOPLEVEL) -I $(STD_PERIPH_LIB)
CFLAGS += -I $(STD_PERIPH_LIB)/CMSIS/Device/ST/STM32F4xx/Include
CFLAGS += -I $(STD_PERIPH_LIB)/CMSIS/Include
CFLAGS += -I $(STD_PERIPH_LIB)/STM32F4xx_HAL_Driver/Inc
CFLAGS += -I libhal
export CFLAGS
all: lib self-test libhal-tests
init:
git submodule update --init --recursive
lib: $(LIBS)
$(STD_PERIPH_LIB)/libstmf4.a:
$(MAKE) -C $(STD_PERIPH_LIB)
thirdparty/libtfm/libtfm.a:
$(MAKE) -C thirdparty/libtfm PREFIX=$(PREFIX)
libhal/libhal.a: thirdparty/libtfm/libtfm.a
$(MAKE) -C libhal IO_BUS=fmc RPC_SERVER=yes RPC_TRANSPORT=serial KS=volatile libhal.a
self-test: $(SELF-TESTS:=.elf)
%.elf: %.o $(BOARD_OBJS) $(STD_PERIPH_LIB)/libstmf4.a
$(CC) $(CFLAGS) $^ -o $@ -T$(LDSCRIPT) -g -Wl,-Map=$*.map
$(OBJCOPY) -O ihex $*.elf $*.hex
$(OBJCOPY) -O binary $*.elf $*.bin
$(OBJDUMP) -St $*.elf >$*.lst
$(SIZE) $*.elf
libhal-tests: $(LIBHAL-TESTS:=.bin)
# .mo extension for files with main() that need to be wrapped as __main()
%.mo: %.c
$(CC) -c $(CFLAGS) -Dmain=__main -o $@ $<
%.bin: %.mo main.o $(BOARD_OBJS) $(LIBC_OBJS) $(LIBS)
$(CC) $(CFLAGS) $^ -o $*.elf -T$(LDSCRIPT) -g -Wl,-Map=$*.map
$(OBJCOPY) -O ihex $*.elf $*.hex
$(OBJCOPY) -O binary $*.elf $*.bin
$(OBJDUMP) -St $*.elf >$*.lst
$(SIZE) $*.elf
# don't automatically delete objects, to avoid a lot of unnecessary rebuilding
.SECONDARY: $(BOARD_OBJS) $(LIBC_OBJS)
clean:
find ./ -name '*~' | xargs rm -f
rm -f $(BOARD_OBJS) $(LIBC_OBJS) *.o *.mo
rm -f *.elf
rm -f *.hex
rm -f *.bin
rm -f *.map
rm -f *.lst
distclean: clean
$(MAKE) -C $(STD_PERIPH_LIB) clean
$(MAKE) -C thirdparty/libtfm clean
$(MAKE) -C libhal clean
