| /** @file | |
| * | |
| * Copyright (c) 2011-2013, 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 (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) << 11) & TT_DESCRIPTOR_LARGEPAGE_XN_MASK): \ | |
| ((((Desc) & TT_DESCRIPTOR_SECTION_XN_MASK) >> 4) & 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_ATTRIBUTE_MASK (TT_DESCRIPTOR_SECTION_NS_MASK | TT_DESCRIPTOR_SECTION_NG_MASK | \ | |
| TT_DESCRIPTOR_SECTION_S_MASK | TT_DESCRIPTOR_SECTION_AP_MASK | \ | |
| TT_DESCRIPTOR_SECTION_XN_MASK | TT_DESCRIPTOR_SECTION_CACHE_POLICY_MASK) | |
| #define TT_DESCRIPTOR_PAGE_ATTRIBUTE_MASK (TT_DESCRIPTOR_PAGE_NG_MASK | TT_DESCRIPTOR_PAGE_S_MASK | \ | |
| TT_DESCRIPTOR_PAGE_AP_MASK | TT_DESCRIPTOR_PAGE_XN_MASK | \ | |
| TT_DESCRIPTOR_PAGE_CACHE_POLICY_MASK) | |
| #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(NonSecure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \ | |
| ((NonSecure) ? TT_DESCRIPTOR_SECTION_NS : 0) | \ | |
| 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(NonSecure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \ | |
| ((NonSecure) ? TT_DESCRIPTOR_SECTION_NS : 0) | \ | |
| 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(NonSecure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \ | |
| ((NonSecure) ? TT_DESCRIPTOR_SECTION_NS : 0) | \ | |
| 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(NonSecure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \ | |
| ((NonSecure) ? TT_DESCRIPTOR_SECTION_NS : 0) | \ | |
| 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) | |
| UINT32 | |
| ConvertSectionAttributesToPageAttributes ( | |
| IN UINT32 SectionAttributes, | |
| IN BOOLEAN IsLargePage | |
| ); | |
| #endif |