63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
||
|
|
/*
|
||
|
|
* OpenRISC Linux
|
||
|
|
*
|
||
|
|
* Linux architectural port borrowing liberally from similar works of
|
||
|
|
* others. All original copyrights apply as per the original source
|
||
|
|
* declaration.
|
||
|
|
*
|
||
|
|
* OpenRISC implementation:
|
||
|
|
* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
|
||
|
|
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
|
||
|
|
* et al.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __ASM_OPENRISC_TLBFLUSH_H
|
||
|
|
#define __ASM_OPENRISC_TLBFLUSH_H
|
||
|
|
|
||
|
|
#include <linux/mm.h>
|
||
|
|
#include <asm/processor.h>
|
||
|
|
#include <asm/current.h>
|
||
|
|
#include <linux/sched.h>
|
||
|
|
|
||
|
|
/*
|
||
|
|
* - flush_tlb() flushes the current mm struct TLBs
|
||
|
|
* - flush_tlb_all() flushes all processes TLBs
|
||
|
|
* - flush_tlb_mm(mm) flushes the specified mm context TLB's
|
||
|
|
* - flush_tlb_page(vma, vmaddr) flushes one page
|
||
|
|
* - flush_tlb_range(vma, start, end) flushes a range of pages
|
||
|
|
*/
|
||
|
|
extern void local_flush_tlb_all(void);
|
||
|
|
extern void local_flush_tlb_mm(struct mm_struct *mm);
|
||
|
|
extern void local_flush_tlb_page(struct vm_area_struct *vma,
|
||
|
|
unsigned long addr);
|
||
|
|
extern void local_flush_tlb_range(struct vm_area_struct *vma,
|
||
|
|
unsigned long start,
|
||
|
|
unsigned long end);
|
||
|
|
|
||
|
|
#ifndef CONFIG_SMP
|
||
|
|
#define flush_tlb_all local_flush_tlb_all
|
||
|
|
#define flush_tlb_mm local_flush_tlb_mm
|
||
|
|
#define flush_tlb_page local_flush_tlb_page
|
||
|
|
#define flush_tlb_range local_flush_tlb_range
|
||
|
|
#else
|
||
|
|
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 addr);
|
||
|
|
extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
|
||
|
|
unsigned long end);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static inline void flush_tlb(void)
|
||
|
|
{
|
||
|
|
flush_tlb_mm(current->mm);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void flush_tlb_kernel_range(unsigned long start,
|
||
|
|
unsigned long end)
|
||
|
|
{
|
||
|
|
flush_tlb_range(NULL, start, end);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* __ASM_OPENRISC_TLBFLUSH_H */
|