source: rtems/c/src/lib/libbsp/arm/lpc32xx/include/mmu.h @ 037e8ae5

4.115
Last change on this file since 037e8ae5 was 037e8ae5, checked in by Sebastian Huber <sebastian.huber@…>, on May 2, 2013 at 3:42:20 PM

bsps/arm: Add arm_cp15_set_trans*_table_entries()

  • Property mode set to 100644
File size: 1.6 KB
Line 
1/**
2 * @file
3 *
4 * @ingroup lpc32xx_mmu
5 *
6 * @brief MMU support API.
7 */
8
9/*
10 * Copyright (c) 2009-2011 embedded brains GmbH.  All rights reserved.
11 *
12 *  embedded brains GmbH
13 *  Obere Lagerstr. 30
14 *  82178 Puchheim
15 *  Germany
16 *  <rtems@embedded-brains.de>
17 *
18 * The license and distribution terms for this file may be
19 * found in the file LICENSE in this distribution or at
20 * http://www.rtems.com/license/LICENSE.
21 */
22
23#ifndef LIBBSP_ARM_LPC32XX_MMU_H
24#define LIBBSP_ARM_LPC32XX_MMU_H
25
26#include <libcpu/arm-cp15.h>
27
28#ifdef __cplusplus
29extern "C" {
30#endif /* __cplusplus */
31
32/**
33 * @defgroup lpc32xx_mmu MMU Support
34 *
35 * @ingroup lpc32xx
36 *
37 * @brief MMU support.
38 *
39 * @{
40 */
41
42#define LPC32XX_MMU_CLIENT_DOMAIN 15U
43
44#define LPC32XX_MMU_READ_ONLY \
45  ((LPC32XX_MMU_CLIENT_DOMAIN << ARM_MMU_SECT_DOMAIN_SHIFT) \
46    | ARM_MMU_SECT_DEFAULT)
47
48#define LPC32XX_MMU_READ_ONLY_CACHED \
49  (LPC32XX_MMU_READ_ONLY | ARM_MMU_SECT_C | ARM_MMU_SECT_B)
50
51#define LPC32XX_MMU_READ_WRITE \
52  ((LPC32XX_MMU_CLIENT_DOMAIN << ARM_MMU_SECT_DOMAIN_SHIFT) \
53    | ARM_MMU_SECT_AP_0 \
54    | ARM_MMU_SECT_DEFAULT)
55
56#define LPC32XX_MMU_READ_WRITE_CACHED \
57  (LPC32XX_MMU_READ_WRITE | ARM_MMU_SECT_C | ARM_MMU_SECT_B)
58
59/**
60 * @brief Sets the @a section_flags for the address range [@a begin, @a end).
61 *
62 * @return Previous section flags of the first modified entry.
63 */
64static inline uint32_t lpc32xx_set_translation_table_entries(
65  const void *begin,
66  const void *end,
67  uint32_t section_flags
68)
69{
70  return arm_cp15_set_translation_table_entries(begin, end, section_flags);
71}
72
73/** @} */
74
75#ifdef __cplusplus
76}
77#endif /* __cplusplus */
78
79#endif /* LIBBSP_ARM_LPC32XX_MMU_H */
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