forked from Imagelibrary/rtems
cfe13cb1bd
* configure.ac, include/bspopts.h.in: More options. * include/lpc32xx.h: Added watchdog definitions. * include/mmu.h, misc/mmu.c: Added const qualifier. * startup/bspreset.c: Use watchdog reset.
40 lines
843 B
C
40 lines
843 B
C
/**
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* @file
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*
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* @ingroup lpc32xx_mmu
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*
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* @brief MMU support implementation.
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*/
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/*
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* Copyright (c) 2010 embedded brains GmbH. All rights reserved.
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*
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* embedded brains GmbH
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* Obere Lagerstr. 30
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* 82178 Puchheim
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* Germany
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* <rtems@embedded-brains.de>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*/
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#include <bsp/mmu.h>
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void lpc32xx_set_translation_table_entries(
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const void *begin,
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const void *end,
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uint32_t section_flags
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)
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{
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uint32_t *ttb = arm_cp15_get_translation_table_base();
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uint32_t i = ARM_MMU_SECT_GET_INDEX(begin);
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uint32_t iend = ARM_MMU_SECT_GET_INDEX(ARM_MMU_SECT_MVA_ALIGN_UP(end));
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while (i < iend) {
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ttb [i] = (i << ARM_MMU_SECT_BASE_SHIFT) | section_flags;
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++i;
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}
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}
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