diff options
| author | Guo Ren <ren_guo@c-sky.com> | 2018-09-05 14:25:10 +0800 |
|---|---|---|
| committer | Guo Ren <ren_guo@c-sky.com> | 2018-10-25 23:36:19 +0800 |
| commit | 00a9730e1007c6cc87a7c78af2f24a4105d616ee (patch) | |
| tree | c014e5a0606a7a88b6e3493f49862c040f9aeea8 /arch/csky/include/asm/tlbflush.h | |
| parent | 4859bfca11c7d63d55175bcd85a75d6cee4b7184 (diff) | |
csky: Cache and TLB routines
This patch adds cache and tlb sync codes for abiv1 & abiv2.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/csky/include/asm/tlbflush.h')
| -rw-r--r-- | arch/csky/include/asm/tlbflush.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/csky/include/asm/tlbflush.h b/arch/csky/include/asm/tlbflush.h new file mode 100644 index 000000000000..6845b0667703 --- /dev/null +++ b/arch/csky/include/asm/tlbflush.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. + +#ifndef __ASM_TLBFLUSH_H +#define __ASM_TLBFLUSH_H + +/* + * TLB flushing: + * + * - flush_tlb_all() flushes all processes TLB entries + * - flush_tlb_mm(mm) flushes the specified mm context TLB entries + * - flush_tlb_page(vma, vmaddr) flushes one page + * - flush_tlb_range(vma, start, end) flushes a range of pages + * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages + */ +extern void flush_tlb_all(void); +extern void flush_tlb_mm(struct mm_struct *mm); +extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long page); +extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, + unsigned long end); +extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); + +extern void flush_tlb_one(unsigned long vaddr); + +#endif |