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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup lpc32xx_mmu
*
* @brief MMU support API.
*/
/*
* Copyright (c) 2009-2011 embedded brains GmbH. All rights reserved.
*
* 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.
*
* 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 LIBBSP_ARM_LPC32XX_MMU_H
#define LIBBSP_ARM_LPC32XX_MMU_H
#include <libcpu/arm-cp15.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @defgroup lpc32xx_mmu MMU Support
*
* @ingroup RTEMSBSPsARMLPC32XX
*
* @brief MMU support.
*
* @{
*/
#define LPC32XX_MMU_CLIENT_DOMAIN 15U
#define LPC32XX_MMU_READ_ONLY \
((LPC32XX_MMU_CLIENT_DOMAIN << ARM_MMU_SECT_DOMAIN_SHIFT) \
| ARM_MMU_SECT_DEFAULT)
#define LPC32XX_MMU_READ_ONLY_CACHED \
(LPC32XX_MMU_READ_ONLY | ARM_MMU_SECT_C | ARM_MMU_SECT_B)
#define LPC32XX_MMU_READ_WRITE \
((LPC32XX_MMU_CLIENT_DOMAIN << ARM_MMU_SECT_DOMAIN_SHIFT) \
| ARM_MMU_SECT_AP_0 \
| ARM_MMU_SECT_DEFAULT)
#define LPC32XX_MMU_READ_WRITE_CACHED \
(LPC32XX_MMU_READ_WRITE | ARM_MMU_SECT_C | ARM_MMU_SECT_B)
/**
* @brief Sets the @a section_flags for the address range [@a begin, @a end).
*
* @return Previous section flags of the first modified entry.
*/
static inline uint32_t lpc32xx_set_translation_table_entries(
const void *begin,
const void *end,
uint32_t section_flags
)
{
return arm_cp15_set_translation_table_entries(begin, end, section_flags);
}
/** @} */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* LIBBSP_ARM_LPC32XX_MMU_H */
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