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| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef __ARM_MMU_H |
| 3 | #define __ARM_MMU_H |
| 4 | |
| 5 | #ifdef CONFIG_MMU |
| 6 | |
| 7 | typedef struct { |
| 8 | #ifdef CONFIG_CPU_HAS_ASID |
| 9 | atomic64_t id; |
| 10 | #else |
| 11 | int switch_pending; |
| 12 | #endif |
| 13 | atomic_t vmalloc_seq; |
| 14 | unsigned long sigpage; |
| 15 | #ifdef CONFIG_VDSO |
| 16 | unsigned long vdso; |
| 17 | #endif |
| 18 | #ifdef CONFIG_BINFMT_ELF_FDPIC |
| 19 | unsigned long exec_fdpic_loadmap; |
| 20 | unsigned long interp_fdpic_loadmap; |
| 21 | #endif |
| 22 | } mm_context_t; |
| 23 | |
| 24 | #ifdef CONFIG_CPU_HAS_ASID |
| 25 | #define ASID_BITS 8 |
| 26 | #define ASID_MASK ((~0ULL) << ASID_BITS) |
| 27 | #define ASID(mm) ((unsigned int)((mm)->context.id.counter & ~ASID_MASK)) |
| 28 | #else |
| 29 | #define ASID(mm) (0) |
| 30 | #endif |
| 31 | |
| 32 | #else |
| 33 | |
| 34 | /* |
| 35 | * From nommu.h: |
| 36 | * Copyright (C) 2002, David McCullough <davidm@snapgear.com> |
| 37 | * modified for 2.6 by Hyok S. Choi <hyok.choi@samsung.com> |
| 38 | */ |
| 39 | typedef struct { |
| 40 | unsigned long end_brk; |
| 41 | #ifdef CONFIG_BINFMT_ELF_FDPIC |
| 42 | unsigned long exec_fdpic_loadmap; |
| 43 | unsigned long interp_fdpic_loadmap; |
| 44 | #endif |
| 45 | } mm_context_t; |
| 46 | |
| 47 | #endif |
| 48 | |
| 49 | #endif |
| 50 |
Warning: This file is not a C or C++ file. It does not have highlighting.