diff options
Diffstat (limited to 'ArmPkg/Include')
| -rw-r--r-- | ArmPkg/Include/Chipset/ArmV7Mmu.h | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/ArmPkg/Include/Chipset/ArmV7Mmu.h b/ArmPkg/Include/Chipset/ArmV7Mmu.h new file mode 100644 index 0000000000..581cd9572c --- /dev/null +++ b/ArmPkg/Include/Chipset/ArmV7Mmu.h @@ -0,0 +1,219 @@ +/** @file
+*
+* Copyright (c) 2011, ARM Limited. All rights reserved.
+*
+* This program and the accompanying materials
+* are licensed and made available under the terms and conditions of the BSD License
+* which accompanies this distribution. The full text of the license may be found at
+* http://opensource.org/licenses/bsd-license.php
+*
+* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+*
+**/
+
+#ifndef __ARMV7_MMU_H_
+#define __ARMV7_MMU_H_
+
+#define TTBR_NOT_OUTER_SHAREABLE BIT5
+#define TTBR_RGN_OUTER_NON_CACHEABLE 0
+#define TTBR_RGN_OUTER_WRITE_BACK_ALLOC BIT3
+#define TTBR_RGN_OUTER_WRITE_THROUGH BIT4
+#define TTBR_RGN_OUTER_WRITE_BACK_NO_ALLOC (BIT3|BIT4)
+#define TTBR_SHAREABLE BIT1
+#define TTBR_NON_SHAREABLE 0
+#define TTBR_INNER_CACHEABLE BIT0
+#define TTBR_NON_INNER_CACHEABLE BIT0
+#define TTBR_RGN_INNER_NON_CACHEABLE 0
+#define TTBR_RGN_INNER_WRITE_BACK_ALLOC BIT6
+#define TTBR_RGN_INNER_WRITE_THROUGH BIT0
+#define TTBR_RGN_INNER_WRITE_BACK_NO_ALLOC (BIT0|BIT6)
+
+#define TTBR_WRITE_THROUGH_NO_ALLOC ( TTBR_RGN_OUTER_WRITE_BACK_ALLOC | TTBR_RGN_INNER_WRITE_BACK_ALLOC )
+#define TTBR_WRITE_BACK_NO_ALLOC ( TTBR_RGN_OUTER_WRITE_BACK_NO_ALLOC | TTBR_RGN_INNER_WRITE_BACK_NO_ALLOC )
+#define TTBR_NON_CACHEABLE ( TTBR_RGN_OUTER_NON_CACHEABLE | TTBR_RGN_INNER_NON_CACHEABLE )
+#define TTBR_WRITE_BACK_ALLOC ( TTBR_RGN_OUTER_WRITE_BACK_ALLOC | TTBR_RGN_INNER_WRITE_BACK_ALLOC )
+
+
+#define TRANSLATION_TABLE_SECTION_COUNT 4096
+#define TRANSLATION_TABLE_SECTION_SIZE (sizeof(UINT32) * TRANSLATION_TABLE_SECTION_COUNT)
+#define TRANSLATION_TABLE_SECTION_ALIGNMENT (sizeof(UINT32) * TRANSLATION_TABLE_SECTION_COUNT)
+#define TRANSLATION_TABLE_SECTION_ALIGNMENT_MASK (TRANSLATION_TABLE_SECTION_ALIGNMENT - 1)
+
+#define TRANSLATION_TABLE_PAGE_COUNT 256
+#define TRANSLATION_TABLE_PAGE_SIZE (sizeof(UINT32) * TRANSLATION_TABLE_PAGE_COUNT)
+#define TRANSLATION_TABLE_PAGE_ALIGNMENT (sizeof(UINT32) * TRANSLATION_TABLE_PAGE_COUNT)
+#define TRANSLATION_TABLE_PAGE_ALIGNMENT_MASK (TRANSLATION_TABLE_PAGE_ALIGNMENT - 1)
+
+#define TRANSLATION_TABLE_ENTRY_FOR_VIRTUAL_ADDRESS(table, address) ((UINT32 *)(table) + (((UINTN)(address)) >> 20))
+
+// Translation table descriptor types
+#define TT_DESCRIPTOR_SECTION_TYPE_MASK ((1UL << 18) | (3UL << 0))
+#define TT_DESCRIPTOR_SECTION_TYPE_FAULT (0UL << 0)
+#define TT_DESCRIPTOR_SECTION_TYPE_PAGE_TABLE (1UL << 0)
+#define TT_DESCRIPTOR_SECTION_TYPE_SECTION ((0UL << 18) | (2UL << 0))
+#define TT_DESCRIPTOR_SECTION_TYPE_SUPERSECTION ((1UL << 18) | (2UL << 0))
+#define TT_DESCRIPTOR_SECTION_TYPE_IS_PAGE_TABLE(Desc) (((Desc) & 3UL) == TT_DESCRIPTOR_SECTION_TYPE_PAGE_TABLE)
+
+// Translation table descriptor types
+#define TT_DESCRIPTOR_PAGE_TYPE_MASK (3UL << 0)
+#define TT_DESCRIPTOR_PAGE_TYPE_FAULT (0UL << 0)
+#define TT_DESCRIPTOR_PAGE_TYPE_PAGE (2UL << 0)
+#define TT_DESCRIPTOR_PAGE_TYPE_PAGE_XN (3UL << 0)
+#define TT_DESCRIPTOR_PAGE_TYPE_LARGEPAGE (1UL << 0)
+
+// Section descriptor definitions
+#define TT_DESCRIPTOR_SECTION_SIZE (0x00100000)
+
+#define TT_DESCRIPTOR_SECTION_NS_MASK (1UL << 19)
+#define TT_DESCRIPTOR_SECTION_NS_SECURE (0UL << 19)
+#define TT_DESCRIPTOR_SECTION_NS_NON_SECURE (1UL << 19)
+
+#define TT_DESCRIPTOR_SECTION_NG_MASK (1UL << 17)
+#define TT_DESCRIPTOR_SECTION_NG_GLOBAL (0UL << 17)
+#define TT_DESCRIPTOR_SECTION_NG_LOCAL (1UL << 17)
+
+#define TT_DESCRIPTOR_PAGE_NG_MASK (1UL << 11)
+#define TT_DESCRIPTOR_PAGE_NG_GLOBAL (0UL << 11)
+#define TT_DESCRIPTOR_PAGE_NG_LOCAL (1UL << 11)
+
+#define TT_DESCRIPTOR_SECTION_S_MASK (1UL << 16)
+#define TT_DESCRIPTOR_SECTION_S_NOT_SHARED (0UL << 16)
+#define TT_DESCRIPTOR_SECTION_S_SHARED (1UL << 16)
+
+#define TT_DESCRIPTOR_PAGE_S_MASK (1UL << 10)
+#define TT_DESCRIPTOR_PAGE_S_NOT_SHARED (0UL << 10)
+#define TT_DESCRIPTOR_PAGE_S_SHARED (1UL << 10)
+
+#define TT_DESCRIPTOR_SECTION_AP_MASK ((1UL << 15) | (3UL << 10))
+#define TT_DESCRIPTOR_SECTION_AP_NO_NO ((0UL << 15) | (0UL << 10))
+#define TT_DESCRIPTOR_SECTION_AP_RW_NO ((0UL << 15) | (1UL << 10))
+#define TT_DESCRIPTOR_SECTION_AP_RW_RO ((0UL << 15) | (2UL << 10))
+#define TT_DESCRIPTOR_SECTION_AP_RW_RW ((0UL << 15) | (3UL << 10))
+#define TT_DESCRIPTOR_SECTION_AP_RO_NO ((1UL << 15) | (1UL << 10))
+#define TT_DESCRIPTOR_SECTION_AP_RO_RO ((1UL << 15) | (3UL << 10))
+
+#define TT_DESCRIPTOR_PAGE_AP_MASK ((1UL << 9) | (3UL << 4))
+#define TT_DESCRIPTOR_PAGE_AP_NO_NO ((0UL << 9) | (0UL << 4))
+#define TT_DESCRIPTOR_PAGE_AP_RW_NO ((0UL << 9) | (1UL << 4))
+#define TT_DESCRIPTOR_PAGE_AP_RW_RO ((0UL << 9) | (2UL << 4))
+#define TT_DESCRIPTOR_PAGE_AP_RW_RW ((0UL << 9) | (3UL << 4))
+#define TT_DESCRIPTOR_PAGE_AP_RO_NO ((1UL << 9) | (1UL << 4))
+#define TT_DESCRIPTOR_PAGE_AP_RO_RO ((1UL << 9) | (3UL << 4))
+
+#define TT_DESCRIPTOR_SECTION_XN_MASK (0x1UL << 4)
+#define TT_DESCRIPTOR_PAGE_XN_MASK (0x1UL << 0)
+#define TT_DESCRIPTOR_LARGEPAGE_XN_MASK (0x1UL << 15)
+
+#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_MASK ((3UL << 12) | (1UL << 3) | (1UL << 2))
+#define TT_DESCRIPTOR_SECTION_CACHEABLE_MASK (1UL << 3)
+#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_STRONGLY_ORDERED ((0UL << 12) | (0UL << 3) | (0UL << 2))
+#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_SHAREABLE_DEVICE ((0UL << 12) | (0UL << 3) | (1UL << 2))
+#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC ((0UL << 12) | (1UL << 3) | (0UL << 2))
+#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_NO_ALLOC ((0UL << 12) | (1UL << 3) | (1UL << 2))
+#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_CACHEABLE ((1UL << 12) | (0UL << 3) | (0UL << 2))
+#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_ALLOC ((1UL << 12) | (1UL << 3) | (1UL << 2))
+#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_SHAREABLE_DEVICE ((2UL << 12) | (0UL << 3) | (0UL << 2))
+
+#define TT_DESCRIPTOR_PAGE_SIZE (0x00001000)
+
+#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_MASK ((3UL << 6) | (1UL << 3) | (1UL << 2))
+#define TT_DESCRIPTOR_PAGE_CACHEABLE_MASK (1UL << 3)
+#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_STRONGLY_ORDERED ((0UL << 6) | (0UL << 3) | (0UL << 2))
+#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_SHAREABLE_DEVICE ((0UL << 6) | (0UL << 3) | (1UL << 2))
+#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC ((0UL << 6) | (1UL << 3) | (0UL << 2))
+#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_BACK_NO_ALLOC ((0UL << 6) | (1UL << 3) | (1UL << 2))
+#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_NON_CACHEABLE ((1UL << 6) | (0UL << 3) | (0UL << 2))
+#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_BACK_ALLOC ((1UL << 6) | (1UL << 3) | (1UL << 2))
+#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_NON_SHAREABLE_DEVICE ((2UL << 6) | (0UL << 3) | (0UL << 2))
+
+#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_MASK ((3UL << 12) | (1UL << 3) | (1UL << 2))
+#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_STRONGLY_ORDERED ((0UL << 12) | (0UL << 3) | (0UL << 2))
+#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_SHAREABLE_DEVICE ((0UL << 12) | (0UL << 3) | (1UL << 2))
+#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC ((0UL << 12) | (1UL << 3) | (0UL << 2))
+#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_WRITE_BACK_NO_ALLOC ((0UL << 12) | (1UL << 3) | (1UL << 2))
+#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_NON_CACHEABLE ((1UL << 12) | (0UL << 3) | (0UL << 2))
+#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_WRITE_BACK_ALLOC ((1UL << 12) | (1UL << 3) | (1UL << 2))
+#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_NON_SHAREABLE_DEVICE ((2UL << 12) | (0UL << 3) | (0UL << 2))
+
+#define TT_DESCRIPTOR_CONVERT_TO_PAGE_AP(Desc) ((((Desc) & TT_DESCRIPTOR_SECTION_AP_MASK) >> 6) & TT_DESCRIPTOR_PAGE_AP_MASK)
+#define TT_DESCRIPTOR_CONVERT_TO_PAGE_NG(Desc) ((((Desc) & TT_DESCRIPTOR_SECTION_NG_MASK) >> 6) & TT_DESCRIPTOR_PAGE_NG_MASK)
+#define TT_DESCRIPTOR_CONVERT_TO_PAGE_S(Desc) ((((Desc) & TT_DESCRIPTOR_SECTION_S_MASK) >> 6) & TT_DESCRIPTOR_PAGE_S_MASK)
+#define TT_DESCRIPTOR_CONVERT_TO_PAGE_XN(Desc,IsLargePage) ((IsLargePage)? \
+ ((((Desc) & TT_DESCRIPTOR_SECTION_XN_MASK) >> 4) & TT_DESCRIPTOR_LARGEPAGE_XN_MASK): \
+ ((((Desc) & TT_DESCRIPTOR_SECTION_XN_MASK) << 11) & TT_DESCRIPTOR_PAGE_XN_MASK))
+#define TT_DESCRIPTOR_CONVERT_TO_PAGE_CACHE_POLICY(Desc,IsLargePage) (IsLargePage? \
+ (((Desc) & TT_DESCRIPTOR_SECTION_CACHE_POLICY_MASK) & TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_MASK): \
+ (((((Desc) & (0x3 << 12)) >> 6) | (Desc & (0x3 << 2)))))
+
+#define TT_DESCRIPTOR_CONVERT_TO_SECTION_AP(Desc) ((((Desc) & TT_DESCRIPTOR_PAGE_AP_MASK) << 6) & TT_DESCRIPTOR_SECTION_AP_MASK)
+
+#define TT_DESCRIPTOR_CONVERT_TO_SECTION_CACHE_POLICY(Desc,IsLargePage) (IsLargePage? \
+ (((Desc) & TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_MASK) & TT_DESCRIPTOR_SECTION_CACHE_POLICY_MASK): \
+ (((((Desc) & (0x3 << 6)) << 6) | (Desc & (0x3 << 2)))))
+
+
+#define TT_DESCRIPTOR_SECTION_DOMAIN_MASK (0x0FUL << 5)
+#define TT_DESCRIPTOR_SECTION_DOMAIN(a) (((a) & 0x0FUL) << 5)
+
+#define TT_DESCRIPTOR_SECTION_BASE_ADDRESS_MASK (0xFFF00000)
+#define TT_DESCRIPTOR_SECTION_PAGETABLE_ADDRESS_MASK (0xFFFFFC00)
+#define TT_DESCRIPTOR_SECTION_BASE_ADDRESS(a) ((a) & TT_DESCRIPTOR_SECTION_BASE_ADDRESS_MASK)
+#define TT_DESCRIPTOR_SECTION_BASE_SHIFT 20
+
+#define TT_DESCRIPTOR_PAGE_BASE_ADDRESS_MASK (0xFFFFF000)
+#define TT_DESCRIPTOR_PAGE_INDEX_MASK (0x000FF000)
+#define TT_DESCRIPTOR_PAGE_BASE_ADDRESS(a) ((a) & TT_DESCRIPTOR_PAGE_BASE_ADDRESS_MASK)
+#define TT_DESCRIPTOR_PAGE_BASE_SHIFT 12
+
+#define TT_DESCRIPTOR_SECTION_WRITE_BACK(Secure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
+ ((Secure) ? TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE ) | \
+ TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
+ TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
+ TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
+ TT_DESCRIPTOR_SECTION_AP_RW_RW | \
+ TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_ALLOC)
+#define TT_DESCRIPTOR_SECTION_WRITE_THROUGH(Secure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
+ ((Secure) ? TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE ) | \
+ TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
+ TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
+ TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
+ TT_DESCRIPTOR_SECTION_AP_RW_RW | \
+ TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC)
+#define TT_DESCRIPTOR_SECTION_DEVICE(Secure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
+ ((Secure) ? TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE ) | \
+ TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
+ TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
+ TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
+ TT_DESCRIPTOR_SECTION_AP_RW_RW | \
+ TT_DESCRIPTOR_SECTION_CACHE_POLICY_SHAREABLE_DEVICE)
+#define TT_DESCRIPTOR_SECTION_UNCACHED(Secure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
+ ((Secure) ? TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE ) | \
+ TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
+ TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
+ TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
+ TT_DESCRIPTOR_SECTION_AP_RW_RW | \
+ TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_CACHEABLE)
+
+#define TT_DESCRIPTOR_PAGE_WRITE_BACK (TT_DESCRIPTOR_PAGE_TYPE_PAGE | \
+ TT_DESCRIPTOR_PAGE_NG_GLOBAL | \
+ TT_DESCRIPTOR_PAGE_S_NOT_SHARED | \
+ TT_DESCRIPTOR_PAGE_AP_RW_RW | \
+ TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_BACK_ALLOC)
+#define TT_DESCRIPTOR_PAGE_WRITE_THROUGH (TT_DESCRIPTOR_PAGE_TYPE_PAGE | \
+ TT_DESCRIPTOR_PAGE_NG_GLOBAL | \
+ TT_DESCRIPTOR_PAGE_S_NOT_SHARED | \
+ TT_DESCRIPTOR_PAGE_AP_RW_RW | \
+ TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC)
+#define TT_DESCRIPTOR_PAGE_DEVICE (TT_DESCRIPTOR_PAGE_TYPE_PAGE | \
+ TT_DESCRIPTOR_PAGE_NG_GLOBAL | \
+ TT_DESCRIPTOR_PAGE_S_NOT_SHARED | \
+ TT_DESCRIPTOR_PAGE_AP_RW_RW | \
+ TT_DESCRIPTOR_PAGE_CACHE_POLICY_SHAREABLE_DEVICE)
+#define TT_DESCRIPTOR_PAGE_UNCACHED (TT_DESCRIPTOR_PAGE_TYPE_PAGE | \
+ TT_DESCRIPTOR_PAGE_NG_GLOBAL | \
+ TT_DESCRIPTOR_PAGE_S_NOT_SHARED | \
+ TT_DESCRIPTOR_PAGE_AP_RW_RW | \
+ TT_DESCRIPTOR_PAGE_CACHE_POLICY_NON_CACHEABLE)
+
+#endif
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