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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-dataflash-project
#-------------------------------------------------------------------------------
# User-modifiable options
#-------------------------------------------------------------------------------
# Chip & board used for compilation
# (can be overriden by adding CHIP=chip and BOARD=board to the command-line)
CHIP = at91sam7s128
BOARD = simtrace
# 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-dataflash-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-elf-
# 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$(AT91LIB)/memories -I$(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
MEM = $(AT91LIB)/memories
BOARDS = $(AT91LIB)/boards
UTILITY = $(AT91LIB)/utility
VPATH += $(MEM)/spi-flash
VPATH += $(UTILITY)
VPATH += $(PERIPH)/dbgu $(PERIPH)/pio $(PERIPH)/aic $(PERIPH)/pmc
VPATH += $(PERIPH)/cp15
VPATH += $(BOARDS)/$(BOARD) $(BOARDS)/$(BOARD)/$(CHIP)
# Objects built from C source files
C_OBJECTS = main.o
C_OBJECTS += spid.o at45.o
C_OBJECTS += string.o stdio.o
C_OBJECTS += dbgu.o pio.o aic.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_gcc.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
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