2013-01-08 22:40:58 +08:00
|
|
|
//*****************************************************************************
|
|
|
|
|
//
|
|
|
|
|
// mpu.h - Defines and Macros for the memory protection unit.
|
|
|
|
|
//
|
|
|
|
|
// Copyright (c) 2005-2011 Texas Instruments Incorporated. All rights reserved.
|
|
|
|
|
// Software License Agreement
|
|
|
|
|
//
|
|
|
|
|
// Texas Instruments (TI) is supplying this software for use solely and
|
|
|
|
|
// exclusively on TI's microcontroller products. The software is owned by
|
|
|
|
|
// TI and/or its suppliers, and is protected under applicable copyright
|
|
|
|
|
// laws. You may not combine this software with "viral" open-source
|
|
|
|
|
// software in order to form a larger program.
|
|
|
|
|
//
|
|
|
|
|
// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
|
|
|
|
|
// 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. TI SHALL NOT, UNDER ANY
|
|
|
|
|
// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
|
|
|
|
|
// DAMAGES, FOR ANY REASON WHATSOEVER.
|
|
|
|
|
//
|
|
|
|
|
// This is part of revision 8264 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__
|
