projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 17f57211 CM |
1 | /* |
| 2 | * arch/arm/include/asm/pgtable-2level-hwdef.h | |
| 3 | * | |
| 4 | * Copyright (C) 1995-2002 Russell King | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License version 2 as | |
| 8 | * published by the Free Software Foundation. | |
| 9 | */ | |
| 10 | #ifndef _ASM_PGTABLE_2LEVEL_HWDEF_H | |
| 11 | #define _ASM_PGTABLE_2LEVEL_HWDEF_H | |
| 12 | ||
| 13 | /* | |
| 14 | * Hardware page table definitions. | |
| 15 | * | |
| 16 | * + Level 1 descriptor (PMD) | |
| 17 | * - common | |
| 18 | */ | |
| 442e70c0 CM |
19 | #define PMD_TYPE_MASK (_AT(pmdval_t, 3) << 0) |
| 20 | #define PMD_TYPE_FAULT (_AT(pmdval_t, 0) << 0) | |
| 21 | #define PMD_TYPE_TABLE (_AT(pmdval_t, 1) << 0) | |
| 22 | #define PMD_TYPE_SECT (_AT(pmdval_t, 2) << 0) | |
| 1d4d3715 | 23 | #define PMD_PXNTABLE (_AT(pmdval_t, 1) << 2) /* v7 */ |
| 442e70c0 CM |
24 | #define PMD_BIT4 (_AT(pmdval_t, 1) << 4) |
| 25 | #define PMD_DOMAIN(x) (_AT(pmdval_t, (x)) << 5) | |
| a02d8dfd | 26 | #define PMD_DOMAIN_MASK PMD_DOMAIN(0x0f) |
| 442e70c0 | 27 | #define PMD_PROTECTION (_AT(pmdval_t, 1) << 9) /* v5 */ |
| 17f57211 CM |
28 | /* |
| 29 | * - section | |
| 30 | */ | |
| 1d4d3715 | 31 | #define PMD_SECT_PXN (_AT(pmdval_t, 1) << 0) /* v7 */ |
| 442e70c0 CM |
32 | #define PMD_SECT_BUFFERABLE (_AT(pmdval_t, 1) << 2) |
| 33 | #define PMD_SECT_CACHEABLE (_AT(pmdval_t, 1) << 3) | |
| 34 | #define PMD_SECT_XN (_AT(pmdval_t, 1) << 4) /* v6 */ | |
| 35 | #define PMD_SECT_AP_WRITE (_AT(pmdval_t, 1) << 10) | |
| 36 | #define PMD_SECT_AP_READ (_AT(pmdval_t, 1) << 11) | |
| 37 | #define PMD_SECT_TEX(x) (_AT(pmdval_t, (x)) << 12) /* v5 */ | |
| 38 | #define PMD_SECT_APX (_AT(pmdval_t, 1) << 15) /* v6 */ | |
| 39 | #define PMD_SECT_S (_AT(pmdval_t, 1) << 16) /* v6 */ | |
| 40 | #define PMD_SECT_nG (_AT(pmdval_t, 1) << 17) /* v6 */ | |
| 41 | #define PMD_SECT_SUPER (_AT(pmdval_t, 1) << 18) /* v6 */ | |
| 42 | #define PMD_SECT_AF (_AT(pmdval_t, 0)) | |
| 17f57211 | 43 | |
| 442e70c0 | 44 | #define PMD_SECT_UNCACHED (_AT(pmdval_t, 0)) |
| 17f57211 CM |
45 | #define PMD_SECT_BUFFERED (PMD_SECT_BUFFERABLE) |
| 46 | #define PMD_SECT_WT (PMD_SECT_CACHEABLE) | |
| 47 | #define PMD_SECT_WB (PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) | |
| 48 | #define PMD_SECT_MINICACHE (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE) | |
| 49 | #define PMD_SECT_WBWA (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) | |
| 6b3142b2 | 50 | #define PMD_SECT_CACHE_MASK (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) |
| 17f57211 CM |
51 | #define PMD_SECT_NONSHARED_DEV (PMD_SECT_TEX(2)) |
| 52 | ||
| 53 | /* | |
| 54 | * - coarse table (not used) | |
| 55 | */ | |
| 56 | ||
| 57 | /* | |
| 58 | * + Level 2 descriptor (PTE) | |
| 59 | * - common | |
| 60 | */ | |
| 442e70c0 CM |
61 | #define PTE_TYPE_MASK (_AT(pteval_t, 3) << 0) |
| 62 | #define PTE_TYPE_FAULT (_AT(pteval_t, 0) << 0) | |
| 63 | #define PTE_TYPE_LARGE (_AT(pteval_t, 1) << 0) | |
| 64 | #define PTE_TYPE_SMALL (_AT(pteval_t, 2) << 0) | |
| 65 | #define PTE_TYPE_EXT (_AT(pteval_t, 3) << 0) /* v5 */ | |
| 66 | #define PTE_BUFFERABLE (_AT(pteval_t, 1) << 2) | |
| 67 | #define PTE_CACHEABLE (_AT(pteval_t, 1) << 3) | |
| 17f57211 CM |
68 | |
| 69 | /* | |
| 70 | * - extended small page/tiny page | |
| 71 | */ | |
| 442e70c0 CM |
72 | #define PTE_EXT_XN (_AT(pteval_t, 1) << 0) /* v6 */ |
| 73 | #define PTE_EXT_AP_MASK (_AT(pteval_t, 3) << 4) | |
| 74 | #define PTE_EXT_AP0 (_AT(pteval_t, 1) << 4) | |
| 75 | #define PTE_EXT_AP1 (_AT(pteval_t, 2) << 4) | |
| 76 | #define PTE_EXT_AP_UNO_SRO (_AT(pteval_t, 0) << 4) | |
| 17f57211 CM |
77 | #define PTE_EXT_AP_UNO_SRW (PTE_EXT_AP0) |
| 78 | #define PTE_EXT_AP_URO_SRW (PTE_EXT_AP1) | |
| 79 | #define PTE_EXT_AP_URW_SRW (PTE_EXT_AP1|PTE_EXT_AP0) | |
| 442e70c0 CM |
80 | #define PTE_EXT_TEX(x) (_AT(pteval_t, (x)) << 6) /* v5 */ |
| 81 | #define PTE_EXT_APX (_AT(pteval_t, 1) << 9) /* v6 */ | |
| 82 | #define PTE_EXT_COHERENT (_AT(pteval_t, 1) << 9) /* XScale3 */ | |
| 83 | #define PTE_EXT_SHARED (_AT(pteval_t, 1) << 10) /* v6 */ | |
| 84 | #define PTE_EXT_NG (_AT(pteval_t, 1) << 11) /* v6 */ | |
| 17f57211 CM |
85 | |
| 86 | /* | |
| 87 | * - small page | |
| 88 | */ | |
| 442e70c0 CM |
89 | #define PTE_SMALL_AP_MASK (_AT(pteval_t, 0xff) << 4) |
| 90 | #define PTE_SMALL_AP_UNO_SRO (_AT(pteval_t, 0x00) << 4) | |
| 91 | #define PTE_SMALL_AP_UNO_SRW (_AT(pteval_t, 0x55) << 4) | |
| 92 | #define PTE_SMALL_AP_URO_SRW (_AT(pteval_t, 0xaa) << 4) | |
| 93 | #define PTE_SMALL_AP_URW_SRW (_AT(pteval_t, 0xff) << 4) | |
| 17f57211 | 94 | |
| d7c5d0dc CM |
95 | #define PHYS_MASK (~0UL) |
| 96 | ||
| 17f57211 | 97 | #endif |