94 lines
2.2 KiB
Makefile
94 lines
2.2 KiB
Makefile
#2015 by tmoe, id10101 (and the internet :) )
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#Name of the binary/project
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TARGET=hello
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#Known issues:
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#obj dir is not actually used, obj's are placed under source
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#Tools
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CROSS_COMPILE=arm-none-eabi-
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CC=$(CROSS_COMPILE)gcc
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OBJCOPY=$(CROSS_COMPILE)objcopy
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GDB=$(CROSS_COMPILE)gdb
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MKDIR=mkdir -p
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RM=rm -f
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RMDIR=rm -rf
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STUTIL=utils/st-util-daemon.sh
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#Directories
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SOURCE_DIR=./src
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OBJ_DIR=./obj # not used yet
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BUILD_DIR=./build
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LIB_DIR=./libs
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#Architecture flags
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FP_FLAGS?=-mfpu=fpv4-sp-d16 -mfloat-abi=softfp
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ARCH_FLAGS=-mthumb -mcpu=cortex-m4 $(FP_FLAGS)
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#Compiler, Linker Options
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CPPFLAGS=-I$(LIB_DIR)/BSP -I$(LIB_DIR)/sGUI
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CFLAGS=$(ARCH_FLAGS) -O0 -ffunction-sections -fdata-sections -g
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LDFLAGS=-Wl,--start-group -lm -Wl,--end-group -static -Wl,-cref,-u,Reset_Handler
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LDFLAGS+=-Wl,-Map=$(BUILD_DIR)/$(TARGET).map
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LDFLAGS+=-Wl,--gc-sections -Wl,--defsym=malloc_getpagesize_P=0x1000
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#Finding Input files
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CFILES=$(shell find $(SOURCE_DIR) -name '*.c')
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#CFILES=$(notdir $(wildcard $(SOURCE_DIR)/*.c))
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SFILES=$(SOURCE_DIR)/startup.s
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#Generate corresponding obj names
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SOBJS=$(SFILES:.s=.o)
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COBJS=$(CFILES:.c=.o)
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OBJS=$(SOBJS) $(COBJS)
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#Keep the objects files
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.SECONDARY: $(OBJS)
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#Mark targets which are not "file-targets"
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.PHONY: all debug flash clean
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# List of all binaries to build
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all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).bin
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start:
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$(STUTIL) start
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stop:
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$(STUTIL) stop
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#objects to elf
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%.elf : $(OBJS)
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@echo Linking...
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$(MKDIR) $(BUILD_DIR)
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$(CC) -o $@ $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -T./utils/stm32f4_flash.ld $^
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#elf to binary
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%.bin: %.elf
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$(OBJCOPY) -O binary $< $@
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#Asm files to objects
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%.o: %.s
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@echo Assembling $<...
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$(CC) -x assembler-with-cpp $(CFLAGS) $(CPPFLAGS) -c $< -o $@
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#C files to objects
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%.o: %.c
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@echo Compiling $<...
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$(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<
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#Clean Obj files and builded stuff
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clean:
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$(RMDIR) $(BUILD_DIR) $(OBJ_DIR)
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$(RM) $(SOURCE_DIR)/*.o
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#Debug target: starts the st-util server and gdb and leaves it open
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debug: start all
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$(GDB) $(BUILD_DIR)/$(TARGET).elf -x ./utils/gdb.script
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#Flash target: starts the st-util server flashes the elf with gdb and exits afterwards
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flash: start all
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$(GDB) $(BUILD_DIR)/$(TARGET).elf -x ./utils/gdb.script -batch
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