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stmbl/bootloader/Makefile
2018-04-12 01:46:12 +02:00

162 lines
4.0 KiB
Makefile

# Optimization level, can be [0, 1, 2, 3, s].
# 0 = turn off optimization. s = optimize for size.
#
OPT = -O1 -flto
# OPT = -O1 # for debugging
# Object files directory
# Warning: this will be removed by make clean!
#
OBJDIR = obj_boot
# Target file name (without extension)
TARGET = $(OBJDIR)/blboot
# Define all C source files (dependencies are generated automatically)
INCDIRS += inc
INCDIRS += bootloader/src
INCDIRS += shared
SOURCES += bootloader/src/main.c
SOURCES += bootloader/src/version.c
SOURCES += bootloader/src/stm32f4xx_it.c
SOURCES += bootloader/src/system_stm32f4xx.c
# Standard peripheral library
CPPFLAGS += -DUSE_STDPERIPH_DRIVER
#CPPFLAGS += -DUSE_FULL_ASSERT
PERIPH_DRV_DIR = lib/STM32F4xx_StdPeriph_Driver-V1.6.0
INCDIRS += $(PERIPH_DRV_DIR)/inc
INCDIRS += lib/CMSIS/Include
INCDIRS += lib/CMSIS/Device/ST/STM32F4xx/Include
SOURCES += $(PERIPH_DRV_DIR)/src/stm32f4xx_flash.c
SOURCES += $(PERIPH_DRV_DIR)/src/stm32f4xx_crc.c
SOURCES += $(PERIPH_DRV_DIR)/src/stm32f4xx_gpio.c
SOURCES += $(PERIPH_DRV_DIR)/src/stm32f4xx_pwr.c
SOURCES += $(PERIPH_DRV_DIR)/src/stm32f4xx_rcc.c
SOURCES += $(PERIPH_DRV_DIR)/src/stm32f4xx_usart.c
SOURCES += $(PERIPH_DRV_DIR)/src/misc.c
SOURCES += lib/CMSIS/Device/ST/STM32F4xx/Source/startup_stm32f40_41xxx.s
CPPFLAGS += -DSTM32F40_41xxx
CPPFLAGS += -DHSE_VALUE=8000000
LDSCRIPT = bootloader/stm32_flash.ld
#============================================================================
OBJECTS += $(addprefix $(OBJDIR)/,$(addsuffix .o,$(basename $(SOURCES))))
CPPFLAGS += $(addprefix -I,$(INCDIRS))
#---------------- Preprocessor Options ----------------
# -fsingle... make better use of the single-precision FPU
# -g generate debugging information
# -save-temps preserve .s and .i-files
#
CPPFLAGS += -fsingle-precision-constant
CPPFLAGS += -g
# CPPFLAGS += -save-temps=obj
#---------------- C Compiler Options ----------------
# -O* optimization level
# -f... tuning, see GCC documentation
# -Wall... warning level
#
CFLAGS += $(OPT)
CFLAGS += -std=gnu11
CFLAGS += -ffunction-sections
CFLAGS += -fdata-sections
CFLAGS += -Wall
CFLAGS += -fno-builtin ## from old
CFLAGS += -nostartfiles
CFLAGS += -Wfatal-errors
#CFLAGS += -Wstrict-prototypes
#CFLAGS += -Wextra
#CFLAGS += -Wpointer-arith
#CFLAGS += -Winline
#CFLAGS += -Wunreachable-code
#CFLAGS += -Wundef
# Use a friendly C dialect
CPPFLAGS += -fno-strict-aliasing
CPPFLAGS += -fwrapv
#---------------- C++ Compiler Options ----------------
#
CXXFLAGS += $(OPT)
CXXFLAGS += -ffunction-sections
CXXFLAGS += -fdata-sections
CXXFLAGS += -Wall
#---------------- Assembler Options ----------------
# -Wa,... tell GCC to pass this to the assembler
#
#---------------- Linker Options ----------------
# -Wl,... tell GCC to pass this to linker
# -Map create map file
# --cref add cross reference to map file
#
LDFLAGS += $(OPT)
LDFLAGS += -lm
LDFLAGS += -Wl,-Map=$(TARGET).map,--cref
LDFLAGS += -Wl,--gc-sections
# LDFLAGS += -specs=nano.specs -u _printf_float -u _scanf_float
LDFLAGS += -T$(LDSCRIPT)
#============================================================================
POSTLD = $(PYTHON) tools/add_version_info.py # -q
# Compiler flags to generate dependency files
#
GENDEPFLAGS = -MMD -MP
# Combine all necessary flags and optional flags
# Add target processor to flags.
#
CPU = -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16
CFLAGS += $(CPU)
CXXFLAGS += $(CPU)
ASFLAGS += $(CPU)
LDFLAGS += $(CPU)
ADDRESS = 0x08000000
# Default target
#
all: gccversion build showsize
build: elf hex bin lss sym
elf: $(TARGET).elf
hex: $(TARGET).hex
bin: $(TARGET).bin
lss: $(TARGET).lss
sym: $(TARGET).sym
# Target: clean project
#
clean:
@echo Cleaning project:
rm -rf $(OBJDIR)
# Include the base rules
#
include base.mak
# Include the dependency files
#
-include $(OBJECTS:.o=.d)
# Listing of phony targets
#
.PHONY: all build flash btfash clean \
boot boot_clean boot_flash \
elf lss sym \
showsize gccversion