2011-09-23 01:18:09 +02:00
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/** @file
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*
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2013-08-19 19:37:03 +02:00
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* Copyright (c) 2011-2013, ARM Limited. All rights reserved.
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2011-09-23 01:18:09 +02:00
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*
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* This program and the accompanying materials
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* are licensed and made available under the terms and conditions of the BSD License
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* which accompanies this distribution. The full text of the license may be found at
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* http://opensource.org/licenses/bsd-license.php
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*
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* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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*
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**/
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#ifndef __ARMV7_MMU_H_
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#define __ARMV7_MMU_H_
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#define TTBR_NOT_OUTER_SHAREABLE BIT5
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#define TTBR_RGN_OUTER_NON_CACHEABLE 0
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#define TTBR_RGN_OUTER_WRITE_BACK_ALLOC BIT3
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#define TTBR_RGN_OUTER_WRITE_THROUGH BIT4
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#define TTBR_RGN_OUTER_WRITE_BACK_NO_ALLOC (BIT3|BIT4)
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#define TTBR_SHAREABLE BIT1
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#define TTBR_NON_SHAREABLE 0
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#define TTBR_INNER_CACHEABLE BIT0
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#define TTBR_NON_INNER_CACHEABLE BIT0
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#define TTBR_RGN_INNER_NON_CACHEABLE 0
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#define TTBR_RGN_INNER_WRITE_BACK_ALLOC BIT6
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#define TTBR_RGN_INNER_WRITE_THROUGH BIT0
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#define TTBR_RGN_INNER_WRITE_BACK_NO_ALLOC (BIT0|BIT6)
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#define TTBR_WRITE_THROUGH_NO_ALLOC ( TTBR_RGN_OUTER_WRITE_BACK_ALLOC | TTBR_RGN_INNER_WRITE_BACK_ALLOC )
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#define TTBR_WRITE_BACK_NO_ALLOC ( TTBR_RGN_OUTER_WRITE_BACK_NO_ALLOC | TTBR_RGN_INNER_WRITE_BACK_NO_ALLOC )
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#define TTBR_NON_CACHEABLE ( TTBR_RGN_OUTER_NON_CACHEABLE | TTBR_RGN_INNER_NON_CACHEABLE )
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#define TTBR_WRITE_BACK_ALLOC ( TTBR_RGN_OUTER_WRITE_BACK_ALLOC | TTBR_RGN_INNER_WRITE_BACK_ALLOC )
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#define TRANSLATION_TABLE_SECTION_COUNT 4096
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#define TRANSLATION_TABLE_SECTION_SIZE (sizeof(UINT32) * TRANSLATION_TABLE_SECTION_COUNT)
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#define TRANSLATION_TABLE_SECTION_ALIGNMENT (sizeof(UINT32) * TRANSLATION_TABLE_SECTION_COUNT)
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#define TRANSLATION_TABLE_SECTION_ALIGNMENT_MASK (TRANSLATION_TABLE_SECTION_ALIGNMENT - 1)
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#define TRANSLATION_TABLE_PAGE_COUNT 256
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#define TRANSLATION_TABLE_PAGE_SIZE (sizeof(UINT32) * TRANSLATION_TABLE_PAGE_COUNT)
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#define TRANSLATION_TABLE_PAGE_ALIGNMENT (sizeof(UINT32) * TRANSLATION_TABLE_PAGE_COUNT)
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#define TRANSLATION_TABLE_PAGE_ALIGNMENT_MASK (TRANSLATION_TABLE_PAGE_ALIGNMENT - 1)
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#define TRANSLATION_TABLE_ENTRY_FOR_VIRTUAL_ADDRESS(table, address) ((UINT32 *)(table) + (((UINTN)(address)) >> 20))
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// Translation table descriptor types
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#define TT_DESCRIPTOR_SECTION_TYPE_MASK ((1UL << 18) | (3UL << 0))
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#define TT_DESCRIPTOR_SECTION_TYPE_FAULT (0UL << 0)
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#define TT_DESCRIPTOR_SECTION_TYPE_PAGE_TABLE (1UL << 0)
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#define TT_DESCRIPTOR_SECTION_TYPE_SECTION ((0UL << 18) | (2UL << 0))
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#define TT_DESCRIPTOR_SECTION_TYPE_SUPERSECTION ((1UL << 18) | (2UL << 0))
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#define TT_DESCRIPTOR_SECTION_TYPE_IS_PAGE_TABLE(Desc) (((Desc) & 3UL) == TT_DESCRIPTOR_SECTION_TYPE_PAGE_TABLE)
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// Translation table descriptor types
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#define TT_DESCRIPTOR_PAGE_TYPE_MASK (3UL << 0)
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#define TT_DESCRIPTOR_PAGE_TYPE_FAULT (0UL << 0)
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#define TT_DESCRIPTOR_PAGE_TYPE_PAGE (2UL << 0)
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#define TT_DESCRIPTOR_PAGE_TYPE_PAGE_XN (3UL << 0)
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#define TT_DESCRIPTOR_PAGE_TYPE_LARGEPAGE (1UL << 0)
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// Section descriptor definitions
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#define TT_DESCRIPTOR_SECTION_SIZE (0x00100000)
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#define TT_DESCRIPTOR_SECTION_NS_MASK (1UL << 19)
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#define TT_DESCRIPTOR_SECTION_NS (1UL << 19)
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2011-09-23 01:18:09 +02:00
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#define TT_DESCRIPTOR_SECTION_NG_MASK (1UL << 17)
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#define TT_DESCRIPTOR_SECTION_NG_GLOBAL (0UL << 17)
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#define TT_DESCRIPTOR_SECTION_NG_LOCAL (1UL << 17)
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#define TT_DESCRIPTOR_PAGE_NG_MASK (1UL << 11)
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#define TT_DESCRIPTOR_PAGE_NG_GLOBAL (0UL << 11)
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#define TT_DESCRIPTOR_PAGE_NG_LOCAL (1UL << 11)
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#define TT_DESCRIPTOR_SECTION_S_MASK (1UL << 16)
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#define TT_DESCRIPTOR_SECTION_S_NOT_SHARED (0UL << 16)
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#define TT_DESCRIPTOR_SECTION_S_SHARED (1UL << 16)
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#define TT_DESCRIPTOR_PAGE_S_MASK (1UL << 10)
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#define TT_DESCRIPTOR_PAGE_S_NOT_SHARED (0UL << 10)
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#define TT_DESCRIPTOR_PAGE_S_SHARED (1UL << 10)
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#define TT_DESCRIPTOR_SECTION_AP_MASK ((1UL << 15) | (3UL << 10))
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#define TT_DESCRIPTOR_SECTION_AP_NO_NO ((0UL << 15) | (0UL << 10))
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#define TT_DESCRIPTOR_SECTION_AP_RW_NO ((0UL << 15) | (1UL << 10))
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#define TT_DESCRIPTOR_SECTION_AP_RW_RO ((0UL << 15) | (2UL << 10))
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#define TT_DESCRIPTOR_SECTION_AP_RW_RW ((0UL << 15) | (3UL << 10))
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#define TT_DESCRIPTOR_SECTION_AP_RO_NO ((1UL << 15) | (1UL << 10))
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#define TT_DESCRIPTOR_SECTION_AP_RO_RO ((1UL << 15) | (3UL << 10))
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#define TT_DESCRIPTOR_PAGE_AP_MASK ((1UL << 9) | (3UL << 4))
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#define TT_DESCRIPTOR_PAGE_AP_NO_NO ((0UL << 9) | (0UL << 4))
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#define TT_DESCRIPTOR_PAGE_AP_RW_NO ((0UL << 9) | (1UL << 4))
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#define TT_DESCRIPTOR_PAGE_AP_RW_RO ((0UL << 9) | (2UL << 4))
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#define TT_DESCRIPTOR_PAGE_AP_RW_RW ((0UL << 9) | (3UL << 4))
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#define TT_DESCRIPTOR_PAGE_AP_RO_NO ((1UL << 9) | (1UL << 4))
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#define TT_DESCRIPTOR_PAGE_AP_RO_RO ((1UL << 9) | (3UL << 4))
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#define TT_DESCRIPTOR_SECTION_XN_MASK (0x1UL << 4)
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#define TT_DESCRIPTOR_PAGE_XN_MASK (0x1UL << 0)
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#define TT_DESCRIPTOR_LARGEPAGE_XN_MASK (0x1UL << 15)
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#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_MASK ((3UL << 12) | (1UL << 3) | (1UL << 2))
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#define TT_DESCRIPTOR_SECTION_CACHEABLE_MASK (1UL << 3)
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#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_STRONGLY_ORDERED ((0UL << 12) | (0UL << 3) | (0UL << 2))
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#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_SHAREABLE_DEVICE ((0UL << 12) | (0UL << 3) | (1UL << 2))
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#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC ((0UL << 12) | (1UL << 3) | (0UL << 2))
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#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_NO_ALLOC ((0UL << 12) | (1UL << 3) | (1UL << 2))
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#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_CACHEABLE ((1UL << 12) | (0UL << 3) | (0UL << 2))
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#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_ALLOC ((1UL << 12) | (1UL << 3) | (1UL << 2))
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#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_SHAREABLE_DEVICE ((2UL << 12) | (0UL << 3) | (0UL << 2))
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#define TT_DESCRIPTOR_PAGE_SIZE (0x00001000)
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#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_MASK ((3UL << 6) | (1UL << 3) | (1UL << 2))
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#define TT_DESCRIPTOR_PAGE_CACHEABLE_MASK (1UL << 3)
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#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_STRONGLY_ORDERED ((0UL << 6) | (0UL << 3) | (0UL << 2))
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#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_SHAREABLE_DEVICE ((0UL << 6) | (0UL << 3) | (1UL << 2))
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#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC ((0UL << 6) | (1UL << 3) | (0UL << 2))
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#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_BACK_NO_ALLOC ((0UL << 6) | (1UL << 3) | (1UL << 2))
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#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_NON_CACHEABLE ((1UL << 6) | (0UL << 3) | (0UL << 2))
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#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_BACK_ALLOC ((1UL << 6) | (1UL << 3) | (1UL << 2))
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#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_NON_SHAREABLE_DEVICE ((2UL << 6) | (0UL << 3) | (0UL << 2))
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#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_MASK ((3UL << 12) | (1UL << 3) | (1UL << 2))
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#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_STRONGLY_ORDERED ((0UL << 12) | (0UL << 3) | (0UL << 2))
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#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_SHAREABLE_DEVICE ((0UL << 12) | (0UL << 3) | (1UL << 2))
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#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC ((0UL << 12) | (1UL << 3) | (0UL << 2))
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#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_WRITE_BACK_NO_ALLOC ((0UL << 12) | (1UL << 3) | (1UL << 2))
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#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_NON_CACHEABLE ((1UL << 12) | (0UL << 3) | (0UL << 2))
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#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_WRITE_BACK_ALLOC ((1UL << 12) | (1UL << 3) | (1UL << 2))
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#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_NON_SHAREABLE_DEVICE ((2UL << 12) | (0UL << 3) | (0UL << 2))
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#define TT_DESCRIPTOR_CONVERT_TO_PAGE_AP(Desc) ((((Desc) & TT_DESCRIPTOR_SECTION_AP_MASK) >> 6) & TT_DESCRIPTOR_PAGE_AP_MASK)
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#define TT_DESCRIPTOR_CONVERT_TO_PAGE_NG(Desc) ((((Desc) & TT_DESCRIPTOR_SECTION_NG_MASK) >> 6) & TT_DESCRIPTOR_PAGE_NG_MASK)
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#define TT_DESCRIPTOR_CONVERT_TO_PAGE_S(Desc) ((((Desc) & TT_DESCRIPTOR_SECTION_S_MASK) >> 6) & TT_DESCRIPTOR_PAGE_S_MASK)
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#define TT_DESCRIPTOR_CONVERT_TO_PAGE_XN(Desc,IsLargePage) ((IsLargePage)? \
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((((Desc) & TT_DESCRIPTOR_SECTION_XN_MASK) << 11) & TT_DESCRIPTOR_LARGEPAGE_XN_MASK): \
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((((Desc) & TT_DESCRIPTOR_SECTION_XN_MASK) >> 4) & TT_DESCRIPTOR_PAGE_XN_MASK))
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#define TT_DESCRIPTOR_CONVERT_TO_PAGE_CACHE_POLICY(Desc,IsLargePage) (IsLargePage? \
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(((Desc) & TT_DESCRIPTOR_SECTION_CACHE_POLICY_MASK) & TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_MASK): \
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(((((Desc) & (0x3 << 12)) >> 6) | (Desc & (0x3 << 2)))))
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#define TT_DESCRIPTOR_CONVERT_TO_SECTION_AP(Desc) ((((Desc) & TT_DESCRIPTOR_PAGE_AP_MASK) << 6) & TT_DESCRIPTOR_SECTION_AP_MASK)
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#define TT_DESCRIPTOR_CONVERT_TO_SECTION_CACHE_POLICY(Desc,IsLargePage) (IsLargePage? \
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(((Desc) & TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_MASK) & TT_DESCRIPTOR_SECTION_CACHE_POLICY_MASK): \
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(((((Desc) & (0x3 << 6)) << 6) | (Desc & (0x3 << 2)))))
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2013-08-19 19:37:03 +02:00
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#define TT_DESCRIPTOR_SECTION_ATTRIBUTE_MASK (TT_DESCRIPTOR_SECTION_NS_MASK | TT_DESCRIPTOR_SECTION_NG_MASK | \
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TT_DESCRIPTOR_SECTION_S_MASK | TT_DESCRIPTOR_SECTION_AP_MASK | \
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TT_DESCRIPTOR_SECTION_XN_MASK | TT_DESCRIPTOR_SECTION_CACHE_POLICY_MASK)
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#define TT_DESCRIPTOR_PAGE_ATTRIBUTE_MASK (TT_DESCRIPTOR_PAGE_NG_MASK | TT_DESCRIPTOR_PAGE_S_MASK | \
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TT_DESCRIPTOR_PAGE_AP_MASK | TT_DESCRIPTOR_PAGE_XN_MASK | \
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TT_DESCRIPTOR_PAGE_CACHE_POLICY_MASK)
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#define TT_DESCRIPTOR_SECTION_DOMAIN_MASK (0x0FUL << 5)
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#define TT_DESCRIPTOR_SECTION_DOMAIN(a) (((a) & 0x0FUL) << 5)
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#define TT_DESCRIPTOR_SECTION_BASE_ADDRESS_MASK (0xFFF00000)
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#define TT_DESCRIPTOR_SECTION_PAGETABLE_ADDRESS_MASK (0xFFFFFC00)
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#define TT_DESCRIPTOR_SECTION_BASE_ADDRESS(a) ((a) & TT_DESCRIPTOR_SECTION_BASE_ADDRESS_MASK)
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#define TT_DESCRIPTOR_SECTION_BASE_SHIFT 20
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#define TT_DESCRIPTOR_PAGE_BASE_ADDRESS_MASK (0xFFFFF000)
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#define TT_DESCRIPTOR_PAGE_INDEX_MASK (0x000FF000)
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#define TT_DESCRIPTOR_PAGE_BASE_ADDRESS(a) ((a) & TT_DESCRIPTOR_PAGE_BASE_ADDRESS_MASK)
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#define TT_DESCRIPTOR_PAGE_BASE_SHIFT 12
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#define TT_DESCRIPTOR_SECTION_WRITE_BACK(NonSecure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
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((NonSecure) ? TT_DESCRIPTOR_SECTION_NS : 0) | \
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TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
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TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
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TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
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TT_DESCRIPTOR_SECTION_AP_RW_RW | \
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TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_ALLOC)
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#define TT_DESCRIPTOR_SECTION_WRITE_THROUGH(NonSecure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
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((NonSecure) ? TT_DESCRIPTOR_SECTION_NS : 0) | \
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TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
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TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
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TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
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TT_DESCRIPTOR_SECTION_AP_RW_RW | \
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TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC)
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#define TT_DESCRIPTOR_SECTION_DEVICE(NonSecure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
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((NonSecure) ? TT_DESCRIPTOR_SECTION_NS : 0) | \
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TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
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TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
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TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
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TT_DESCRIPTOR_SECTION_AP_RW_RW | \
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TT_DESCRIPTOR_SECTION_CACHE_POLICY_SHAREABLE_DEVICE)
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#define TT_DESCRIPTOR_SECTION_UNCACHED(NonSecure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
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((NonSecure) ? TT_DESCRIPTOR_SECTION_NS : 0) | \
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TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
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TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
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TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
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TT_DESCRIPTOR_SECTION_AP_RW_RW | \
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TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_CACHEABLE)
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2011-09-23 01:18:09 +02:00
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#define TT_DESCRIPTOR_PAGE_WRITE_BACK (TT_DESCRIPTOR_PAGE_TYPE_PAGE | \
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TT_DESCRIPTOR_PAGE_NG_GLOBAL | \
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TT_DESCRIPTOR_PAGE_S_NOT_SHARED | \
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TT_DESCRIPTOR_PAGE_AP_RW_RW | \
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TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_BACK_ALLOC)
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#define TT_DESCRIPTOR_PAGE_WRITE_THROUGH (TT_DESCRIPTOR_PAGE_TYPE_PAGE | \
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TT_DESCRIPTOR_PAGE_NG_GLOBAL | \
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TT_DESCRIPTOR_PAGE_S_NOT_SHARED | \
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TT_DESCRIPTOR_PAGE_AP_RW_RW | \
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TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC)
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#define TT_DESCRIPTOR_PAGE_DEVICE (TT_DESCRIPTOR_PAGE_TYPE_PAGE | \
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TT_DESCRIPTOR_PAGE_NG_GLOBAL | \
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TT_DESCRIPTOR_PAGE_S_NOT_SHARED | \
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TT_DESCRIPTOR_PAGE_AP_RW_RW | \
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TT_DESCRIPTOR_PAGE_CACHE_POLICY_SHAREABLE_DEVICE)
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#define TT_DESCRIPTOR_PAGE_UNCACHED (TT_DESCRIPTOR_PAGE_TYPE_PAGE | \
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TT_DESCRIPTOR_PAGE_NG_GLOBAL | \
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TT_DESCRIPTOR_PAGE_S_NOT_SHARED | \
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TT_DESCRIPTOR_PAGE_AP_RW_RW | \
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TT_DESCRIPTOR_PAGE_CACHE_POLICY_NON_CACHEABLE)
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2013-08-19 19:37:50 +02:00
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UINT32
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ConvertSectionAttributesToPageAttributes (
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IN UINT32 SectionAttributes,
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IN BOOLEAN IsLargePage
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);
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2011-09-23 01:18:09 +02:00
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#endif
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