/
Makefile
197 lines (152 loc) · 4.25 KB
/
Makefile
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### Project name (also used for output file name)
PROJECT = out
### Source files and search directories
CSRC = main.c startup1100.c uart.c xprintf.c
# uart.c iic.c xprintf.c disp.c ball_img.c
ASRC =
CSRCARM =
ASRCARM =
VPATH =
### Optimization level (0, 1, 2, 3, 4 or s)
OPTIMIZE = s
### C Standard level (c89, gnu89, c99 or gnu99)
CSTD = gnu99
### Processor type and use Thumb(-2) mode for CSRC/ASRC files (YES or NO)
CPU = cortex-m0
THUMB = YES
### Linker script for the target MCU
LINKSCRIPT = LPC1114FN28.ld
### Output file type (hex, bin or both) and debugger type
OUTPUT = hex
HEXFMT = ihex
DEBUG = dwarf-2
### Include dirs, library dirs and definitions
MATHLIB = -lm
LIBS =
LIBDIRS =
INCDIRS =
DEFS =
ADEFS =
### Warning contorls
WARNINGS = all extra
### Object output directory
OBJDIR = obj
### Programs to build porject
CC = arm-none-eabi-gcc
OBJCOPY = arm-none-eabi-objcopy
OBJDUMP = arm-none-eabi-objdump
SIZE = arm-none-eabi-size
NM = arm-none-eabi-nm
# Define all object files
COBJ = $(CSRC:.c=.o)
AOBJ = $(ASRC:.S=.o)
COBJARM = $(CSRCARM:.c=.o)
AOBJARM = $(ASRCARM:.S=.o)
COBJ := $(addprefix $(OBJDIR)/,$(COBJ))
AOBJ := $(addprefix $(OBJDIR)/,$(AOBJ))
COBJARM := $(addprefix $(OBJDIR)/,$(COBJARM))
AOBJARM := $(addprefix $(OBJDIR)/,$(AOBJARM))
PROJECT := $(OBJDIR)/$(PROJECT)
### Compiler flags
ifeq ($(THUMB),YES)
THUMBFLAG = -mthumb
THUMBIW = -mthumb-interwork
else
THUMBFLAG =
THUMBIW =
endif
# Flags for C files
CFLAGS += -std=$(CSTD)
CFLAGS += -g$(DEBUG)
CFLAGS += -O$(OPTIMIZE)
CFLAGS += $(addprefix -W,$(WARNINGS))
CFLAGS += $(addprefix -I,$(INCDIRS))
CFLAGS += $(addprefix -D,$(DEFS))
CFLAGS += -Wp,-M,-MP,-MT,$(OBJDIR)/$(*F).o,-MF,$(OBJDIR)/$(*F).d
# Assembler flags
ASFLAGS += $(addprefix -D,$(ADEFS)) -Wa,-g$(DEBUG)
# Linker flags
LDFLAGS += -nostartfiles -Wl,-Map=$(PROJECT).map,--cref,--gc-sections
LDFLAGS += -lc -lgcc
LDFLAGS += $(patsubst %,-L%,$(LIBDIRS)) $(patsubst %,-l%,$(LIBS))
LDFLAGS += $(MATHLIB)
LDFLAGS += -T$(LINKSCRIPT)
# Combine all necessary flags and optional flags.
# Add target processor to flags.
ALL_CFLAGS = -mcpu=$(CPU) $(THUMBIW) -I. $(CFLAGS)
ALL_ASFLAGS = -mcpu=$(CPU) $(THUMBIW) -I. -x assembler-with-cpp $(ASFLAGS)
# Default target.
all: version build size
ifeq ($(OUTPUT),hex)
build: elf hex lst sym
hex: $(PROJECT).hex
else
ifeq ($(OUTPUT),bin)
build: elf bin lst sym
bin: $(PROJECT).bin
else
ifeq ($(OUTPUT),both)
build: elf hex bin lst sym
hex: $(PROJECT).hex
bin: $(PROJECT).bin
else
$(error "Invalid format: $(OUTPUT)")
endif
endif
endif
elf: $(PROJECT).elf
lst: $(PROJECT).lst
sym: $(PROJECT).sym
# Display compiler version information.
version :
@$(CC) --version
# Create final output file from ELF output file.
%.hex: %.elf
@echo
$(OBJCOPY) -O $(HEXFMT) $< $@
%.bin: %.elf
@echo
$(OBJCOPY) -O binary $< $@
# Create extended listing file from ELF output file.
%.lst: %.elf
@echo
$(OBJDUMP) -h -S -C $< > $@
# Create a symbol table from ELF output file.
%.sym: %.elf
@echo
$(NM) -n $< > $@
# Display size of file.
size:
@echo
$(SIZE) -A $(PROJECT).elf
# Link: create ELF output file from object files.
%.elf: $(AOBJARM) $(AOBJ) $(COBJARM) $(COBJ)
@echo
@echo Linking...
$(CC) $(THUMBFLAG) $(ALL_CFLAGS) $(AOBJARM) $(AOBJ) $(COBJARM) $(COBJ) --output $@ $(LDFLAGS)
# Compile: create object files from C source files. ARM or Thumb(-2)
$(COBJ) : $(OBJDIR)/%.o : %.c
@echo
@echo $< :
$(CC) -c $(THUMBFLAG) $(ALL_CFLAGS) $< -o $@
# Compile: create object files from C source files. ARM-only
$(COBJARM) : $(OBJDIR)/%.o : %.c
@echo
@echo $< :
$(CC) -c $(ALL_CFLAGS) $< -o $@
# Assemble: create object files from assembler source files. ARM or Thumb(-2)
$(AOBJ) : $(OBJDIR)/%.o : %.S
@echo
@echo $< :
$(CC) -c $(THUMBFLAG) $(ALL_ASFLAGS) $< -o $@
# Assemble: create object files from assembler source files. ARM-only
$(AOBJARM) : $(OBJDIR)/%.o : %.S
@echo
@echo $< :
$(CC) -c $(ALL_ASFLAGS) $< -o $@
# Target: clean project.
clean:
@echo
rm -f -r $(OBJDIR) | exit 0
# Include the dependency files.
-include $(shell mkdir $(OBJDIR) 2>/dev/null) $(wildcard $(OBJDIR)/*.d)