1 #ifndef _ASMARM_PGTABLE_HWDEF_H_ 2 #define _ASMARM_PGTABLE_HWDEF_H_ 3 /* 4 * From arch/arm/include/asm/pgtable-3level-hwdef.h 5 */ 6 7 /* 8 * Hardware page table definitions. 9 * 10 * + Level 1/2 descriptor 11 * - common 12 */ 13 #define PMD_TYPE_MASK (_AT(pmdval_t, 3) << 0) 14 #define PMD_TYPE_FAULT (_AT(pmdval_t, 0) << 0) 15 #define PMD_TYPE_TABLE (_AT(pmdval_t, 3) << 0) 16 #define PMD_TYPE_SECT (_AT(pmdval_t, 1) << 0) 17 #define PMD_TABLE_BIT (_AT(pmdval_t, 1) << 1) 18 #define PMD_BIT4 (_AT(pmdval_t, 0)) 19 #define PMD_DOMAIN(x) (_AT(pmdval_t, 0)) 20 #define PMD_APTABLE_SHIFT (61) 21 #define PMD_APTABLE (_AT(pgdval_t, 3) << PGD_APTABLE_SHIFT) 22 #define PMD_PXNTABLE (_AT(pgdval_t, 1) << 59) 23 24 /* 25 * - section 26 */ 27 #define PMD_SECT_BUFFERABLE (_AT(pmdval_t, 1) << 2) 28 #define PMD_SECT_CACHEABLE (_AT(pmdval_t, 1) << 3) 29 #define PMD_SECT_USER (_AT(pmdval_t, 1) << 6) /* AP[1] */ 30 #define PMD_SECT_AP2 (_AT(pmdval_t, 1) << 7) /* read only */ 31 #define PMD_SECT_S (_AT(pmdval_t, 3) << 8) 32 #define PMD_SECT_AF (_AT(pmdval_t, 1) << 10) 33 #define PMD_SECT_nG (_AT(pmdval_t, 1) << 11) 34 #define PMD_SECT_PXN (_AT(pmdval_t, 1) << 53) 35 #define PMD_SECT_XN (_AT(pmdval_t, 1) << 54) 36 #define PMD_SECT_AP_WRITE (_AT(pmdval_t, 0)) 37 #define PMD_SECT_AP_READ (_AT(pmdval_t, 0)) 38 #define PMD_SECT_AP1 (_AT(pmdval_t, 1) << 6) 39 #define PMD_SECT_TEX(x) (_AT(pmdval_t, 0)) 40 41 /* 42 * AttrIndx[2:0] encoding (mapping attributes defined in the MAIR* registers). 43 */ 44 #define PMD_SECT_UNCACHED (_AT(pmdval_t, 0) << 2) /* strongly ordered */ 45 #define PMD_SECT_BUFFERED (_AT(pmdval_t, 1) << 2) /* normal non-cacheable */ 46 #define PMD_SECT_WT (_AT(pmdval_t, 2) << 2) /* normal inner write-through */ 47 #define PMD_SECT_WB (_AT(pmdval_t, 3) << 2) /* normal inner write-back */ 48 #define PMD_SECT_WBWA (_AT(pmdval_t, 7) << 2) /* normal inner write-alloc */ 49 50 /* 51 * + Level 3 descriptor (PTE) 52 */ 53 #define PTE_TYPE_MASK (_AT(pteval_t, 3) << 0) 54 #define PTE_TYPE_FAULT (_AT(pteval_t, 0) << 0) 55 #define PTE_TYPE_PAGE (_AT(pteval_t, 3) << 0) 56 #define PTE_TABLE_BIT (_AT(pteval_t, 1) << 1) 57 #define PTE_BUFFERABLE (_AT(pteval_t, 1) << 2) /* AttrIndx[0] */ 58 #define PTE_CACHEABLE (_AT(pteval_t, 1) << 3) /* AttrIndx[1] */ 59 #define PTE_AP2 (_AT(pteval_t, 1) << 7) /* AP[2] */ 60 #define PTE_EXT_SHARED (_AT(pteval_t, 3) << 8) /* SH[1:0], inner shareable */ 61 #define PTE_EXT_AF (_AT(pteval_t, 1) << 10) /* Access Flag */ 62 #define PTE_EXT_NG (_AT(pteval_t, 1) << 11) /* nG */ 63 #define PTE_EXT_XN (_AT(pteval_t, 1) << 54) /* XN */ 64 65 #endif /* _ASMARM_PGTABLE_HWDEF_H_ */ 66