diff options
| author | Yuval Adam <yuv.adm@gmail.com> | 2012-10-29 21:36:23 +0200 |
|---|---|---|
| committer | Yuval Adam <yuv.adm@gmail.com> | 2012-10-29 21:36:23 +0200 |
| commit | 44b979ac3dc53b29ee8176517b7d9a10935630c0 (patch) | |
| tree | 03c256e5e19ac2be9d19b3d4638cdf233b0ee4e9 /driverlib/mpu.h | |
| parent | 8ced6b65a22e0c392bc31288b2eb3f713a0fc477 (diff) | |
Initial code
Diffstat (limited to 'driverlib/mpu.h')
| -rw-r--r-- | driverlib/mpu.h | 162 |
1 files changed, 162 insertions, 0 deletions
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__
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