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#_____________________________________________________________________________________________
# Copyright 2011 Nishchay Mhatre
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
#_____________________________________________________________________________________________
#Makefile for SST Integrated build on ARM7-TDMI based AT91SAM 7X256
#_____________________________________________________________________________________________
# Toolchain definition
TC=arm-none-eabi
# Toolchain depedent GNU build sofware
COMPILE=arm-none-eabi-gcc
LOAD=$(TC)-ld
ASSEMBLE=$(TC)-as
DEBUG=$(TC)-gdb
PROFILE=$(TC)-prof
OBJCOPY=$(TC)-objcopy
#Linker script
LDSCRIPT=sst.ld
# Target Machine Specifications
CPU=arm7tdmi
ARCH=armv4t
# Build directories
BLDDIR= .
# Compiler options
DBG=-g
PROF=-pg
OPTIM=-mlow-irq-latency
CFLAGS= $(DBG)\
-mcpu=$(CPU) \
-marm \
-mabi=aapcs \
-fomit-frame-pointer\
-T $(LDSCRIPT)
#Linker flags
LIBS=-Wl,--start-group -lgcc -Wl,--end-group
LINKER_FLAGS=-nostartfiles -Xlinker -osst.elf -Xlinker -M -Xlinker -Map=sst.map
#Asm flags
ASFLAGS=-g -gdwarf2 -mcpu=arm7tdmi #-mthumb-interwork -mapcs-frame
ARM_SOURCE= ./main.c
ARM_OBJS = $(ARM_SOURCE:.c=.o)
NAME=sst
all: $(NAME).bin
$(NAME).bin : sst.elf
$(OBJCOPY) sst.elf -O binary $(NAME).bin
sst.elf : $(ARM_OBJS) boot.o Makefile
$(COMPILE) $(CFLAGS) $(LINKER_FLAGS) $(ARM_OBJS) boot.o
boot.o : ./boot.s
$(ASSEMBLE) $(ASFLAGS) -o boot.o ./boot.s
$(ARM_OBJS) : %.o : %.c Makefile
$(COMPILE) $(CFLAGS) -c $< -o $@
clean :
rm $(ARM_OBJS)
rm boot.o
touch Makefile
rm sst.elf