# # Copyright (C) 2016 The Android Open Source Project # # 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 # limitations under the License. # GCC = $(CROSS_COMPILE)gcc OBJCOPY = $(CROSS_COMPILE)objcopy FLAGS += -mthumb -mcpu=cortex-m4 -march=armv7e-m -mno-thumb-interwork -fno-unwind-tables -fstack-reuse=all -Os -Wall -Werror -nostartfiles tool.bin: tool.elf Makefile $(OBJCOPY) -j .data -j .text -I elf32-littlearm -O binary tool.elf tool.bin tool.elf: tool.c Makefile $(GCC) -o tool.elf $(FLAGS) tool.c clean: rm -rf tool.o tool.bin