From 44b979ac3dc53b29ee8176517b7d9a10935630c0 Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Mon, 29 Oct 2012 21:36:23 +0200 Subject: Initial code --- driverlib/mpu.h | 162 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 162 insertions(+) create mode 100644 driverlib/mpu.h (limited to 'driverlib/mpu.h') diff --git a/driverlib/mpu.h b/driverlib/mpu.h new file mode 100644 index 0000000..c604018 --- /dev/null +++ b/driverlib/mpu.h @@ -0,0 +1,162 @@ +//***************************************************************************** +// +// mpu.h - Defines and Macros for the memory protection unit. +// +// Copyright (c) 2005-2012 Texas Instruments Incorporated. All rights reserved. +// Software License Agreement +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions +// are met: +// +// Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// +// 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. +// +// Neither the name of Texas Instruments Incorporated 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. +// +// This is part of revision 9453 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__ -- cgit v1.3.1