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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-03-11 17:51:42 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-03-11 17:51:42 +0000 |
commit | 3578c60ae17a31fef6486ba5c3a2f97b899fb243 (patch) | |
tree | 69156c78a6928e337491e60e93b707b1bf362c97 /nuttx/arch/arm/src/lpc17xx/lpc17_mpuinit.h | |
parent | 065661cbab0d8ca6f3739c02d0536de3de362402 (diff) | |
download | px4-nuttx-3578c60ae17a31fef6486ba5c3a2f97b899fb243.tar.gz px4-nuttx-3578c60ae17a31fef6486ba5c3a2f97b899fb243.tar.bz2 px4-nuttx-3578c60ae17a31fef6486ba5c3a2f97b899fb243.zip |
Add MPU support for the LPC17xx family
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5731 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/lpc17xx/lpc17_mpuinit.h')
-rw-r--r-- | nuttx/arch/arm/src/lpc17xx/lpc17_mpuinit.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_mpuinit.h b/nuttx/arch/arm/src/lpc17xx/lpc17_mpuinit.h new file mode 100644 index 000000000..4d0e6944f --- /dev/null +++ b/nuttx/arch/arm/src/lpc17xx/lpc17_mpuinit.h @@ -0,0 +1,90 @@ +/************************************************************************************ + * arch/arm/src/lpc17xx/lpc17_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_LPC17XX_LPC17_MPUINIT_H +#define __ARCH_ARM_SRC_LPC17XX_LPC17_MPUINIT_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include <nuttx/config.h> + +/************************************************************************************ + * Pre-processor Definitions + ************************************************************************************/ + +/************************************************************************************ + * Public Types + ************************************************************************************/ + +/************************************************************************************ + * Public Data + ************************************************************************************/ + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +/**************************************************************************** + * Name: lpc17_mpuinitialize + * + * Description: + * Configure the MPU to permit user-space access to only unrestricted MCU + * resources. + * + ****************************************************************************/ + +#ifdef CONFIG_NUTTX_KERNEL +void lpc17_mpuinitialize(void); +#else +# define lpc17_mpuinitialize() +#endif + +/**************************************************************************** + * Name: lpc17_mpu_uheap + * + * Description: + * Map the user heap region. + * + ****************************************************************************/ + +#ifdef CONFIG_NUTTX_KERNEL +void lpc17_mpu_uheap(uintptr_t start, size_t size); +#else +# define lpc17_mpu_uheap(start,size) +#endif + +#endif /* __ARCH_ARM_SRC_LPC17XX_LPC17_MPUINIT_H */ |