mirror of https://github.com/acidanthera/audk.git
72 lines
3.9 KiB
C
72 lines
3.9 KiB
C
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/** @file
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Copyright (c) 2008-2009 Apple Inc. All rights reserved.<BR>
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All rights reserved. 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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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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#ifndef __ARM926EJ_S_H__
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#define __ARM926EJ_S_H__
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// Domain Access Control Register
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#define DOMAIN_ACCESS_CONTROL_MASK(a) (3UL << (2 * (a)))
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#define DOMAIN_ACCESS_CONTROL_NONE(a) (0UL << (2 * (a)))
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#define DOMAIN_ACCESS_CONTROL_CLIENT(a) (1UL << (2 * (a)))
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#define DOMAIN_ACCESS_CONTROL_RESERVED(a) (2UL << (2 * (a)))
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#define DOMAIN_ACCESS_CONTROL_MANAGER(a) (3UL << (2 * (a)))
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#define TRANSLATION_TABLE_SIZE (16 * 1024)
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#define TRANSLATION_TABLE_ALIGNMENT (16 * 1024)
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#define TRANSLATION_TABLE_ALIGNMENT_MASK (TRANSLATION_TABLE_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_TYPE_MASK (3UL << 0)
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#define TT_DESCRIPTOR_TYPE_FAULT (0UL << 0)
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#define TT_DESCRIPTOR_TYPE_COARSE ((1UL << 0) | (1UL << 4))
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#define TT_DESCRIPTOR_TYPE_SECTION ((2UL << 0) | (1UL << 4))
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#define TT_DESCRIPTOR_TYPE_FINE ((3UL << 0) | (1UL << 4))
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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_CACHE_POLICY_MASK (3UL << 2)
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#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_UNCACHED_UNBUFFERED (0UL << 2)
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#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_UNCACHED_BUFFERED (1UL << 2)
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#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH (2UL << 2)
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#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK (3UL << 2)
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#define TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_MASK (3UL << 10)
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#define TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_NONE (1UL << 10)
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#define TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_READ_ONLY (2UL << 10)
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#define TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_READ_WRITE (3UL << 10)
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#define TT_DESCRIPTOR_SECTION_DOMAIN_MASK (0x0FUL << 5)
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#define TT_DESCRIPTOR_SECTION_DOMAIN(a) (((a) & 0xF) << 5)
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#define TT_DESCRIPTOR_SECTION_BASE_ADDRESS_MASK (0xFFF00000)
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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_WRITE_BACK (TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_READ_WRITE | \
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TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
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TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK | \
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TT_DESCRIPTOR_TYPE_SECTION)
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#define TT_DESCRIPTOR_SECTION_WRITE_THROUGH (TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_READ_WRITE | \
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TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
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TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH | \
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TT_DESCRIPTOR_TYPE_SECTION)
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#define TT_DESCRIPTOR_SECTION_UNCACHED_UNBUFFERED (TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_READ_WRITE | \
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TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
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TT_DESCRIPTOR_SECTION_CACHE_POLICY_UNCACHED_UNBUFFERED | \
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TT_DESCRIPTOR_TYPE_SECTION)
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#endif // __ARM926EJ_S_H__
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