69 lines
2 KiB
C
69 lines
2 KiB
C
/*
|
|
* Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
|
|
* Copyright (C) 2008-2009 PetaLogix
|
|
* Copyright (C) 2006 Atmark Techno, Inc.
|
|
*
|
|
* 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_MICROBLAZE_TLBFLUSH_H
|
|
#define _ASM_MICROBLAZE_TLBFLUSH_H
|
|
|
|
#ifdef CONFIG_MMU
|
|
|
|
#include <linux/sched.h>
|
|
#include <linux/threads.h>
|
|
#include <asm/processor.h> /* For TASK_SIZE */
|
|
#include <asm/mmu.h>
|
|
#include <asm/page.h>
|
|
#include <asm/pgalloc.h>
|
|
|
|
extern void _tlbie(unsigned long address);
|
|
extern void _tlbia(void);
|
|
|
|
#define __tlbia() { preempt_disable(); _tlbia(); preempt_enable(); }
|
|
#define __tlbie(x) { _tlbie(x); }
|
|
|
|
static inline void local_flush_tlb_all(void)
|
|
{ __tlbia(); }
|
|
static inline void local_flush_tlb_mm(struct mm_struct *mm)
|
|
{ __tlbia(); }
|
|
static inline void local_flush_tlb_page(struct vm_area_struct *vma,
|
|
unsigned long vmaddr)
|
|
{ __tlbie(vmaddr); }
|
|
static inline void local_flush_tlb_range(struct vm_area_struct *vma,
|
|
unsigned long start, unsigned long end)
|
|
{ __tlbia(); }
|
|
|
|
#define flush_tlb_kernel_range(start, end) do { } while (0)
|
|
|
|
#define update_mmu_cache(vma, addr, ptep) do { } while (0)
|
|
|
|
#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
|
|
|
|
/*
|
|
* This is called in munmap when we have freed up some page-table
|
|
* pages. We don't need to do anything here, there's nothing special
|
|
* about our page-table pages. -- paulus
|
|
*/
|
|
static inline void flush_tlb_pgtables(struct mm_struct *mm,
|
|
unsigned long start, unsigned long end) { }
|
|
|
|
#else /* CONFIG_MMU */
|
|
|
|
#define flush_tlb() BUG()
|
|
#define flush_tlb_all() BUG()
|
|
#define flush_tlb_mm(mm) BUG()
|
|
#define flush_tlb_page(vma, addr) BUG()
|
|
#define flush_tlb_range(mm, start, end) BUG()
|
|
#define flush_tlb_pgtables(mm, start, end) BUG()
|
|
#define flush_tlb_kernel_range(start, end) BUG()
|
|
|
|
#endif /* CONFIG_MMU */
|
|
|
|
#endif /* _ASM_MICROBLAZE_TLBFLUSH_H */
|