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1 | /* SPDX-License-Identifier: GPL-2.0 */ |
---|---|
2 | #ifndef __ASM_SH_PGTABLE_2LEVEL_H |
3 | #define __ASM_SH_PGTABLE_2LEVEL_H |
4 | |
5 | #include <asm-generic/pgtable-nopmd.h> |
6 | |
7 | /* |
8 | * traditional two-level paging structure |
9 | */ |
10 | #define PAGETABLE_LEVELS 2 |
11 | |
12 | /* PTE bits */ |
13 | #define PTE_MAGNITUDE 2 /* 32-bit PTEs */ |
14 | |
15 | #define PTE_SHIFT PAGE_SHIFT |
16 | #define PTE_BITS (PTE_SHIFT - PTE_MAGNITUDE) |
17 | |
18 | /* PGD bits */ |
19 | #define PGDIR_SHIFT (PTE_SHIFT + PTE_BITS) |
20 | |
21 | #define PTRS_PER_PGD (PAGE_SIZE / (1 << PTE_MAGNITUDE)) |
22 | #define USER_PTRS_PER_PGD (TASK_SIZE/PGDIR_SIZE) |
23 | |
24 | #endif /* __ASM_SH_PGTABLE_2LEVEL_H */ |
25 |
Warning: This file is not a C or C++ file. It does not have highlighting.