linux_dsm_epyc7002/arch/nios2/include/asm/tlb.h
Ley Foon Tan c983e92fcb nios2: TLB handling
This patch adds the TLB maintenance functions.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08 12:55:54 +08:00

35 lines
963 B
C

/*
* Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
* Copyright (C) 2009 Wind River Systems Inc
* Copyright (C) 2004 Microtronix Datacom Ltd.
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#ifndef _ASM_NIOS2_TLB_H
#define _ASM_NIOS2_TLB_H
#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
extern void set_mmu_pid(unsigned long pid);
/*
* NiosII doesn't need any special per-pte or per-vma handling, except
* we need to flush cache for the area to be unmapped.
*/
#define tlb_start_vma(tlb, vma) \
do { \
if (!tlb->fullmm) \
flush_cache_range(vma, vma->vm_start, vma->vm_end); \
} while (0)
#define tlb_end_vma(tlb, vma) do { } while (0)
#define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0)
#include <linux/pagemap.h>
#include <asm-generic/tlb.h>
#endif /* _ASM_NIOS2_TLB_H */