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2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
61e85e36 JB |
2 | /* |
3 | * OpenRISC Linux | |
4 | * | |
5 | * Linux architectural port borrowing liberally from similar works of | |
6 | * others. All original copyrights apply as per the original source | |
7 | * declaration. | |
8 | * | |
9 | * OpenRISC implementation: | |
10 | * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> | |
11 | * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> | |
12 | * et al. | |
61e85e36 JB |
13 | */ |
14 | ||
15 | #ifndef __ASM_OPENRISC_TLBFLUSH_H | |
16 | #define __ASM_OPENRISC_TLBFLUSH_H | |
17 | ||
18 | #include <linux/mm.h> | |
19 | #include <asm/processor.h> | |
20 | #include <asm/pgtable.h> | |
21 | #include <asm/pgalloc.h> | |
22 | #include <asm/current.h> | |
23 | #include <linux/sched.h> | |
24 | ||
25 | /* | |
26 | * - flush_tlb() flushes the current mm struct TLBs | |
27 | * - flush_tlb_all() flushes all processes TLBs | |
28 | * - flush_tlb_mm(mm) flushes the specified mm context TLB's | |
29 | * - flush_tlb_page(vma, vmaddr) flushes one page | |
30 | * - flush_tlb_range(mm, start, end) flushes a range of pages | |
31 | */ | |
8e6d08e0 SK |
32 | extern void local_flush_tlb_all(void); |
33 | extern void local_flush_tlb_mm(struct mm_struct *mm); | |
34 | extern void local_flush_tlb_page(struct vm_area_struct *vma, | |
35 | unsigned long addr); | |
36 | extern void local_flush_tlb_range(struct vm_area_struct *vma, | |
37 | unsigned long start, | |
38 | unsigned long end); | |
61e85e36 | 39 | |
8e6d08e0 SK |
40 | #ifndef CONFIG_SMP |
41 | #define flush_tlb_all local_flush_tlb_all | |
42 | #define flush_tlb_mm local_flush_tlb_mm | |
43 | #define flush_tlb_page local_flush_tlb_page | |
44 | #define flush_tlb_range local_flush_tlb_range | |
45 | #else | |
46 | extern void flush_tlb_all(void); | |
47 | extern void flush_tlb_mm(struct mm_struct *mm); | |
48 | extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr); | |
49 | extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, | |
50 | unsigned long end); | |
51 | #endif | |
61e85e36 JB |
52 | |
53 | static inline void flush_tlb(void) | |
54 | { | |
55 | flush_tlb_mm(current->mm); | |
56 | } | |
57 | ||
58 | static inline void flush_tlb_kernel_range(unsigned long start, | |
59 | unsigned long end) | |
60 | { | |
61 | flush_tlb_range(NULL, start, end); | |
62 | } | |
63 | ||
64 | #endif /* __ASM_OPENRISC_TLBFLUSH_H */ |