Makefile
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上传日期:2022-07-16
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- # ----------------------------------------------------------------------------
- # ATMEL Microcontroller Software Support
- # ----------------------------------------------------------------------------
- # Copyright (c) 2008, Atmel Corporation
- #
- # All rights reserved.
- #
- # Redistribution and use in source and binary forms, with or without
- # modification, are permitted provided that the following conditions are met:
- #
- # - Redistributions of source code must retain the above copyright notice,
- # this list of conditions and the disclaimer below.
- #
- # Atmel's name may not be used to endorse or promote products derived from
- # this software without specific prior written permission.
- #
- # DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
- # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
- # DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
- # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
- # OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- # LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- # EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- # ----------------------------------------------------------------------------
- # Makefile for compiling basic-twi-eeprom-project
- #-------------------------------------------------------------------------------
- # User-modifiable options
- #-------------------------------------------------------------------------------
- # Chip & board used for compilation
- # (can be overriden by adding CHIP=chip and BOARD=board to the command-line)
- CHIP = at91sam7s256
- BOARD = at91sam7s-ek
- # Trace level used for compilation
- # (can be overriden by adding TRACE_LEVEL=#number to the command-line)
- # TRACE_LEVEL_DEBUG 5
- # TRACE_LEVEL_INFO 4
- # TRACE_LEVEL_WARNING 3
- # TRACE_LEVEL_ERROR 2
- # TRACE_LEVEL_FATAL 1
- # TRACE_LEVEL_NO_TRACE 0
- TRACE_LEVEL = 4
- # Optimization level, put in comment for debugging
- OPTIMIZATION = -Os
- # AT91 library directory
- AT91LIB = ../at91lib
- # Output file basename
- OUTPUT = basic-twi-eeprom-project-$(BOARD)-$(CHIP)
- # Compile for all memories available on the board (this sets $(MEMORIES))
- include $(AT91LIB)/boards/$(BOARD)/board.mak
- # Output directories
- BIN = bin
- OBJ = obj
- #-------------------------------------------------------------------------------
- # Tools
- #-------------------------------------------------------------------------------
- # Tool suffix when cross-compiling
- CROSS_COMPILE = arm-none-eabi-
- # Compilation tools
- CC = $(CROSS_COMPILE)gcc
- SIZE = $(CROSS_COMPILE)size
- STRIP = $(CROSS_COMPILE)strip
- OBJCOPY = $(CROSS_COMPILE)objcopy
- # Flags
- INCLUDES = -I$(AT91LIB)/boards/$(BOARD) -I$(AT91LIB)/peripherals
- INCLUDES += -I$(AT91LIB)/components -I$(AT91LIB)
- CFLAGS = -Wall -mlong-calls -ffunction-sections
- CFLAGS += -g $(OPTIMIZATION) $(INCLUDES) -D$(CHIP) -DTRACE_LEVEL=$(TRACE_LEVEL)
- ASFLAGS = -g $(OPTIMIZATION) $(INCLUDES) -D$(CHIP) -D__ASSEMBLY__
- LDFLAGS = -g $(OPTIMIZATION) -nostartfiles -Wl,--gc-sections
- #-------------------------------------------------------------------------------
- # Files
- #-------------------------------------------------------------------------------
- # Directories where source files can be found
- PERIPH = $(AT91LIB)/peripherals
- BOARDS = $(AT91LIB)/boards
- UTILITY = $(AT91LIB)/utility
- DRV = $(AT91LIB)/drivers
- VPATH += $(DRV)/async $(DRV)/twi
- VPATH += $(UTILITY)
- VPATH += $(PERIPH)/dbgu $(PERIPH)/pio $(PERIPH)/aic $(PERIPH)/twi $(PERIPH)/pmc
- VPATH += $(PERIPH)/cp15
- VPATH += $(BOARDS)/$(BOARD) $(BOARDS)/$(BOARD)/$(CHIP)
- # Objects built from C source files
- C_OBJECTS = main.o
- C_OBJECTS += async.o twid.o
- C_OBJECTS += stdio.o math.o string.o
- C_OBJECTS += dbgu.o pio.o aic.o twi.o pmc.o cp15.o
- C_OBJECTS += board_memories.o board_lowlevel.o
- # Objects built from Assembly source files
- ASM_OBJECTS = board_cstartup.o
- ASM_OBJECTS += cp15_asm.o
- # Append OBJ and BIN directories to output filename
- OUTPUT := $(BIN)/$(OUTPUT)
- #-------------------------------------------------------------------------------
- # Rules
- #-------------------------------------------------------------------------------
- all: $(BIN) $(OBJ) $(MEMORIES)
- $(BIN) $(OBJ):
- mkdir $@
- define RULES
- C_OBJECTS_$(1) = $(addprefix $(OBJ)/$(1)_, $(C_OBJECTS))
- ASM_OBJECTS_$(1) = $(addprefix $(OBJ)/$(1)_, $(ASM_OBJECTS))
- $(1): $$(ASM_OBJECTS_$(1)) $$(C_OBJECTS_$(1))
- $(CC) $(LDFLAGS) -T"$(AT91LIB)/boards/$(BOARD)/$(CHIP)/$$@.lds" -o $(OUTPUT)-$$@.elf $$^
- $(OBJCOPY) -O binary $(OUTPUT)-$$@.elf $(OUTPUT)-$$@.bin
- $(SIZE) $$^ $(OUTPUT)-$$@.elf
- $$(C_OBJECTS_$(1)): $(OBJ)/$(1)_%.o: %.c Makefile $(OBJ) $(BIN)
- $(CC) $(CFLAGS) -D$(1) -c -o $$@ $$<
- $$(ASM_OBJECTS_$(1)): $(OBJ)/$(1)_%.o: %.S Makefile $(OBJ) $(BIN)
- $(CC) $(ASFLAGS) -D$(1) -c -o $$@ $$<
- debug_$(1): $(1)
- perl ../resources/gdb/debug.pl $(OUTPUT)-$(1).elf
- endef
- $(foreach MEMORY, $(MEMORIES), $(eval $(call RULES,$(MEMORY))))
- clean:
- -rm -f $(OBJ)/*.o $(BIN)/*.bin $(BIN)/*.elf