root/include/asm-frv/tlbflush.h

INCLUDED FROM

/* tlbflush.h: TLB flushing functions
 *
 * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#ifndef _ASM_TLBFLUSH_H
#define _ASM_TLBFLUSH_H

#include <linux/mm.h>
#include <asm/processor.h>

#ifdef CONFIG_MMU

#ifndef __ASSEMBLY__
extern void asmlinkage __flush_tlb_all(void);
extern void asmlinkage __flush_tlb_mm(unsigned long contextid);
extern void asmlinkage __flush_tlb_page(unsigned long contextid, unsigned long start);
extern void asmlinkage __flush_tlb_range(unsigned long contextid,
                                         unsigned long start, unsigned long end);
#endif /* !__ASSEMBLY__ */

#define flush_tlb_all()                         \
do {                                            \
        preempt_disable();                      \
        __flush_tlb_all();                      \
        preempt_enable();                       \
} while(0)

#define flush_tlb_mm(mm)                        \
do {                                            \
        preempt_disable();                      \
        __flush_tlb_mm((mm)->context.id);       \
        preempt_enable();                       \
} while(0)

#define flush_tlb_range(vma,start,end)                                  \
do {                                                                    \
        preempt_disable();                                              \
        __flush_tlb_range((vma)->vm_mm->context.id, start, end);        \
        preempt_enable();                                               \
} while(0)

#define flush_tlb_page(vma,addr)                                \
do {                                                            \
        preempt_disable();                                      \
        __flush_tlb_page((vma)->vm_mm->context.id, addr);       \
        preempt_enable();                                       \
} while(0)


#define __flush_tlb_global()                    flush_tlb_all()
#define flush_tlb()                             flush_tlb_all()
#define flush_tlb_kernel_range(start, end)      flush_tlb_all()

#else

#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_kernel_range(start, end)      BUG()

#endif


#endif /* _ASM_TLBFLUSH_H */