88 lines
2.9 KiB
C
88 lines
2.9 KiB
C
|
#ifndef _ASM_POWERPC_TLBFLUSH_H
|
||
|
|
#define _ASM_POWERPC_TLBFLUSH_H
|
||
|
|
|
||
|
|
/*
|
||
|
|
* TLB flushing:
|
||
|
|
*
|
||
|
|
* - flush_tlb_mm(mm) flushes the specified mm context TLB's
|
||
|
|
* - flush_tlb_page(vma, vmaddr) flushes one page
|
||
|
|
* - local_flush_tlb_mm(mm, full) flushes the specified mm context on
|
||
|
|
* the local processor
|
||
|
|
* - local_flush_tlb_page(vma, vmaddr) flushes one page on the local processor
|
||
|
|
* - flush_tlb_page_nohash(vma, vmaddr) flushes one page if SW loaded TLB
|
||
|
|
* - flush_tlb_range(vma, start, end) flushes a range of pages
|
||
|
|
* - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
#ifdef __KERNEL__
|
||
|
|
|
||
|
|
#ifdef CONFIG_PPC_MMU_NOHASH
|
||
|
|
/*
|
||
|
|
* TLB flushing for software loaded TLB chips
|
||
|
|
*
|
||
|
|
* TODO: (CONFIG_FSL_BOOKE) determine if flush_tlb_range &
|
||
|
|
* flush_tlb_kernel_range are best implemented as tlbia vs
|
||
|
|
* specific tlbie's
|
||
|
|
*/
|
||
|
|
|
||
|
|
struct vm_area_struct;
|
||
|
|
struct mm_struct;
|
||
|
|
|
||
|
|
#define MMU_NO_CONTEXT ((unsigned int)-1)
|
||
|
|
|
||
|
|
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 local_flush_tlb_mm(struct mm_struct *mm);
|
||
|
|
extern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
|
||
|
|
|
||
|
|
extern void __local_flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr,
|
||
|
|
int tsize, int ind);
|
||
|
|
|
||
|
|
#ifdef CONFIG_SMP
|
||
|
|
extern void flush_tlb_mm(struct mm_struct *mm);
|
||
|
|
extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
|
||
|
|
extern void __flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr,
|
||
|
|
int tsize, int ind);
|
||
|
|
#else
|
||
|
|
#define flush_tlb_mm(mm) local_flush_tlb_mm(mm)
|
||
|
|
#define flush_tlb_page(vma,addr) local_flush_tlb_page(vma,addr)
|
||
|
|
#define __flush_tlb_page(mm,addr,p,i) __local_flush_tlb_page(mm,addr,p,i)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#elif defined(CONFIG_PPC_STD_MMU_32)
|
||
|
|
|
||
|
|
#define MMU_NO_CONTEXT (0)
|
||
|
|
/*
|
||
|
|
* TLB flushing for "classic" hash-MMU 32-bit CPUs, 6xx, 7xx, 7xxx
|
||
|
|
*/
|
||
|
|
extern void flush_tlb_mm(struct mm_struct *mm);
|
||
|
|
extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
|
||
|
|
extern void flush_tlb_page_nohash(struct vm_area_struct *vma, unsigned long addr);
|
||
|
|
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);
|
||
|
|
static inline void local_flush_tlb_page(struct vm_area_struct *vma,
|
||
|
|
unsigned long vmaddr)
|
||
|
|
{
|
||
|
|
flush_tlb_page(vma, vmaddr);
|
||
|
|
}
|
||
|
|
static inline void local_flush_tlb_mm(struct mm_struct *mm)
|
||
|
|
{
|
||
|
|
flush_tlb_mm(mm);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(CONFIG_PPC_STD_MMU_64)
|
||
|
|
#include <asm/book3s/64/tlbflush.h>
|
||
|
|
#else
|
||
|
|
#error Unsupported MMU type
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /*__KERNEL__ */
|
||
|
|
#endif /* _ASM_POWERPC_TLBFLUSH_H */
|