b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | // Copyright (C) 2005-2017 Andes Technology Corporation |
| 3 | |
| 4 | #ifndef _ASMNDS32_TLBFLUSH_H |
| 5 | #define _ASMNDS32_TLBFLUSH_H |
| 6 | |
| 7 | #include <linux/spinlock.h> |
| 8 | #include <linux/mm.h> |
| 9 | #include <nds32_intrinsic.h> |
| 10 | |
| 11 | static inline void local_flush_tlb_all(void) |
| 12 | { |
| 13 | __nds32__tlbop_flua(); |
| 14 | __nds32__isb(); |
| 15 | } |
| 16 | |
| 17 | static inline void local_flush_tlb_mm(struct mm_struct *mm) |
| 18 | { |
| 19 | __nds32__tlbop_flua(); |
| 20 | __nds32__isb(); |
| 21 | } |
| 22 | |
| 23 | static inline void local_flush_tlb_kernel_range(unsigned long start, |
| 24 | unsigned long end) |
| 25 | { |
| 26 | while (start < end) { |
| 27 | __nds32__tlbop_inv(start); |
| 28 | __nds32__isb(); |
| 29 | start += PAGE_SIZE; |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | void local_flush_tlb_range(struct vm_area_struct *vma, |
| 34 | unsigned long start, unsigned long end); |
| 35 | void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long addr); |
| 36 | |
| 37 | #define flush_tlb_all local_flush_tlb_all |
| 38 | #define flush_tlb_mm local_flush_tlb_mm |
| 39 | #define flush_tlb_range local_flush_tlb_range |
| 40 | #define flush_tlb_page local_flush_tlb_page |
| 41 | #define flush_tlb_kernel_range local_flush_tlb_kernel_range |
| 42 | |
| 43 | void update_mmu_cache(struct vm_area_struct *vma, |
| 44 | unsigned long address, pte_t * pte); |
| 45 | |
| 46 | #endif |