//***************************************************************************** | |
// | |
// mpu.h - Defines and Macros for the memory protection unit. | |
// | |
// Copyright (c) 2005-2008 Luminary Micro, Inc. All rights reserved. | |
// | |
// Software License Agreement | |
// | |
// Luminary Micro, Inc. (LMI) is supplying this software for use solely and | |
// exclusively on LMI's microcontroller products. | |
// | |
// The software is owned by LMI and/or its suppliers, and is protected under | |
// applicable copyright laws. All rights are reserved. You may not combine | |
// this software with "viral" open-source software in order to form a larger | |
// program. Any use in violation of the foregoing restrictions may subject | |
// the user to criminal sanctions under applicable laws, as well as to civil | |
// liability for the breach of the terms and conditions of this license. | |
// | |
// THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED | |
// OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF | |
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. | |
// LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR | |
// CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. | |
// | |
// This is part of revision 2523 of the Stellaris Peripheral Driver Library. | |
// | |
//***************************************************************************** | |
#ifndef __MPU_H__ | |
#define __MPU_H__ | |
//***************************************************************************** | |
// | |
// If building with a C++ compiler, make all of the definitions in this header | |
// have a C binding. | |
// | |
//***************************************************************************** | |
#ifdef __cplusplus | |
extern "C" | |
{ | |
#endif | |
//***************************************************************************** | |
// | |
// Flags that can be passed to MPUEnable.. | |
// | |
//***************************************************************************** | |
#define MPU_CONFIG_PRIV_DEFAULT 4 | |
#define MPU_CONFIG_HARDFLT_NMI 2 | |
#define MPU_CONFIG_NONE 0 | |
//***************************************************************************** | |
// | |
// Flags for the region size to be passed to MPURegionSet. | |
// | |
//***************************************************************************** | |
#define MPU_RGN_SIZE_32B (4 << 1) | |
#define MPU_RGN_SIZE_64B (5 << 1) | |
#define MPU_RGN_SIZE_128B (6 << 1) | |
#define MPU_RGN_SIZE_256B (7 << 1) | |
#define MPU_RGN_SIZE_512B (8 << 1) | |
#define MPU_RGN_SIZE_1K (9 << 1) | |
#define MPU_RGN_SIZE_2K (10 << 1) | |
#define MPU_RGN_SIZE_4K (11 << 1) | |
#define MPU_RGN_SIZE_8K (12 << 1) | |
#define MPU_RGN_SIZE_16K (13 << 1) | |
#define MPU_RGN_SIZE_32K (14 << 1) | |
#define MPU_RGN_SIZE_64K (15 << 1) | |
#define MPU_RGN_SIZE_128K (16 << 1) | |
#define MPU_RGN_SIZE_256K (17 << 1) | |
#define MPU_RGN_SIZE_512K (18 << 1) | |
#define MPU_RGN_SIZE_1M (19 << 1) | |
#define MPU_RGN_SIZE_2M (20 << 1) | |
#define MPU_RGN_SIZE_4M (21 << 1) | |
#define MPU_RGN_SIZE_8M (22 << 1) | |
#define MPU_RGN_SIZE_16M (23 << 1) | |
#define MPU_RGN_SIZE_32M (24 << 1) | |
#define MPU_RGN_SIZE_64M (25 << 1) | |
#define MPU_RGN_SIZE_128M (26 << 1) | |
#define MPU_RGN_SIZE_256M (27 << 1) | |
#define MPU_RGN_SIZE_512M (28 << 1) | |
#define MPU_RGN_SIZE_1G (29 << 1) | |
#define MPU_RGN_SIZE_2G (30 << 1) | |
#define MPU_RGN_SIZE_4G (31 << 1) | |
//***************************************************************************** | |
// | |
// Flags for the permissions to be passed to MPURegionSet. | |
// | |
//***************************************************************************** | |
#define MPU_RGN_PERM_EXEC 0x00000000 | |
#define MPU_RGN_PERM_NOEXEC 0x10000000 | |
#define MPU_RGN_PERM_PRV_NO_USR_NO 0x00000000 | |
#define MPU_RGN_PERM_PRV_RW_USR_NO 0x01000000 | |
#define MPU_RGN_PERM_PRV_RW_USR_RO 0x02000000 | |
#define MPU_RGN_PERM_PRV_RW_USR_RW 0x03000000 | |
#define MPU_RGN_PERM_PRV_RO_USR_NO 0x05000000 | |
#define MPU_RGN_PERM_PRV_RO_USR_RO 0x06000000 | |
//***************************************************************************** | |
// | |
// Flags for the sub-region to be passed to MPURegionSet. | |
// | |
//***************************************************************************** | |
#define MPU_SUB_RGN_DISABLE_0 0x00000100 | |
#define MPU_SUB_RGN_DISABLE_1 0x00000200 | |
#define MPU_SUB_RGN_DISABLE_2 0x00000400 | |
#define MPU_SUB_RGN_DISABLE_3 0x00000800 | |
#define MPU_SUB_RGN_DISABLE_4 0x00001000 | |
#define MPU_SUB_RGN_DISABLE_5 0x00002000 | |
#define MPU_SUB_RGN_DISABLE_6 0x00004000 | |
#define MPU_SUB_RGN_DISABLE_7 0x00008000 | |
//***************************************************************************** | |
// | |
// Flags to enable or disable a region, to be passed to MPURegionSet. | |
// | |
//***************************************************************************** | |
#define MPU_RGN_ENABLE 1 | |
#define MPU_RGN_DISABLE 0 | |
//***************************************************************************** | |
// | |
// API Function prototypes | |
// | |
//***************************************************************************** | |
extern void MPUEnable(unsigned long ulMPUConfig); | |
extern void MPUDisable(void); | |
extern unsigned long MPURegionCountGet(void); | |
extern void MPURegionEnable(unsigned long ulRegion); | |
extern void MPURegionDisable(unsigned long ulRegion); | |
extern void MPURegionSet(unsigned long ulRegion, unsigned long ulAddr, | |
unsigned long ulFlags); | |
extern void MPURegionGet(unsigned long ulRegion, unsigned long *pulAddr, | |
unsigned long *pulFlags); | |
extern void MPUIntRegister(void (*pfnHandler)(void)); | |
extern void MPUIntUnregister(void); | |
//***************************************************************************** | |
// | |
// Mark the end of the C bindings section for C++ compilers. | |
// | |
//***************************************************************************** | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif // __MPU_H__ |