# -*- makefile -*- # Copyright (c) 2012 The Chromium OS Authors. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. # # Cortex-M4 core OS files build # # Select ARMv7-m bare-metal toolchain CROSS_COMPILE?=arm-none-eabi- # FPU compilation flags CFLAGS_FPU-$(CONFIG_FPU)=-mfpu=fpv4-sp-d16 -mfloat-abi=hard # CPU specific compilation flags CFLAGS_CPU+=-mthumb -Os -mno-sched-prolog CFLAGS_CPU+=-mno-unaligned-access CFLAGS_CPU+=$(CFLAGS_FPU-y) core-y=cpu.o init.o core-$(CONFIG_COMMON_PANIC_OUTPUT)+=panic.o core-$(CONFIG_COMMON_RUNTIME)+=switch.o task.o core-$(CONFIG_WATCHDOG)+=watchdog.o core-$(CONFIG_MPU)+=mpu.o