arch/arm/core/cortex_m/scs.c

/*
 * Copyright (c) 2013-2014 Wind River Systems, Inc.
 *
 * 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.
 */

/**
 * @file
 * @brief ARM CORTEX-M Series System Control Space
 *
 * Most of the SCS interface consists of simple bit-flipping methods, and is
 * implemented as inline functions in scs.h. This module thus contains only data
 * definitions and more complex routines, if needed.
 */

#include <nanokernel.h>
#include <arch/cpu.h>
#include <toolchain.h>
#include <sections.h>

/* the linker always puts this object at 0xe000e000 */
volatile struct __scs __scs_section __scs;