nuttx/arch/arm/src/kinetis/kinetis_mpuinit.h

/************************************************************************************
 * arch/arm/src/kinetis/kinetis_mpuinit.h
 *
 *   Copyright (C) 2013 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <gnutt@nuttx.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name NuttX nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ************************************************************************************/

#ifndef __ARCH_ARM_SRC_KINETIS_KINETIS_MPUINIT_H
#define __ARCH_ARM_SRC_KINETIS_KINETIS_MPUINIT_H

/************************************************************************************
 * Included Files
 ************************************************************************************/

#include <nuttx/config.h>

/************************************************************************************
 * Public Functions
 ************************************************************************************/

/****************************************************************************
 * Name: kinetis_mpuinitialize
 *
 * Description:
 *   Configure the MPU to permit user-space access to only unrestricted MCU
 *   resources.
 *
 ****************************************************************************/

#ifdef CONFIG_BUILD_PROTECTED
void kinetis_mpuinitialize(void);
#else
#  define kinetis_mpuinitialize()
#endif

/****************************************************************************
 * Name: kinetis_mpudisable
 *
 * Description:
 *   Configure the MPU to permit All buss masters access to all resources.
 *
 ****************************************************************************/

#if !defined(CONFIG_BUILD_PROTECTED) && defined(KINETIS_MPU)
void kinetis_mpudisable(void);
#endif

/****************************************************************************
 * Name: kinetis_mpu_uheap
 *
 * Description:
 *  Map the user heap region.
 *
 ****************************************************************************/

#ifdef CONFIG_BUILD_PROTECTED
void kinetis_mpu_uheap(uintptr_t start, size_t size);
#else
#  define kinetis_mpu_uheap(start,size)
#endif

#endif /* __ARCH_ARM_SRC_KINETIS_KINETIS_MPUINIT_H */