* arch/ceva/src/common/mpu.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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.
*
****************************************************************************/
#ifndef __ARCH_CEVA_SRC_COMMON_MPU_H
#define __ARCH_CEVA_SRC_COMMON_MPU_H
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <sys/types.h>
# include <stdbool.h>
#endif
* Public Function Prototypes
****************************************************************************/
#ifndef __ASSEMBLY__
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
#ifdef CONFIG_ARCH_MPU
* Name: mpu_control
*
* Description:
* Configure and enable (or disable) the MPU
*
****************************************************************************/
void mpu_control(bool enable);
* Name: mpu_user_code
*
* Description:
* Configure a region for user code
*
****************************************************************************/
void mpu_user_code(const void *base, size_t size);
* Name: mpu_priv_code
*
* Description:
* Configure a region for privileged code
*
* Caution:
* The writable global variables aren't initialized yet.
*
****************************************************************************/
void mpu_priv_code(const void *base, size_t size);
* Name: mpu_user_data
*
* Description:
* Configure a region as user data
*
****************************************************************************/
void mpu_user_data(void *base, size_t size);
* Name: mpu_priv_data
*
* Description:
* Configure a region as privileged data
*
* Caution:
* The writable global variables aren't initialized yet.
*
****************************************************************************/
void mpu_priv_data(void *base, size_t size);
* Name: mpu_peripheral
*
* Description:
* Configure a region as privileged peripheral address space
*
****************************************************************************/
void mpu_peripheral(void *base, size_t size);
* Name: mpu_stronglyordered
*
* Description:
* Configure a region for privileged, strongly ordered memory
*
****************************************************************************/
void mpu_stronglyordered(void *base, size_t size);
#else
#define mpu_control(enable)
#define mpu_user_code(base, size)
#define mpu_priv_code(base, size)
#define mpu_user_data(base, size)
#define mpu_priv_data(base, size)
#define mpu_peripheral(base, size)
#define mpu_stronglyordered(base, size)
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif
#endif