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powerpc: merge tlb.h 

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
This commit is contained in:
Stephen Rothwell 2005-11-04 10:20:27 +11:00
parent d3ab57ebdc
commit 9a0f78f63b
2 changed files with 36 additions and 62 deletions
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59
include/asm-ppc/tlb.h → include/asm-powerpc/tlb.h
View File

@ -1,6 +1,7 @@
/*
* TLB shootdown specifics for PPC
* TLB shootdown specifics for powerpc
*
* Copyright (C) 2002 Anton Blanchard, IBM Corp.
* Copyright (C) 2002 Paul Mackerras, IBM Corp.
*
* This program is free software; you can redistribute it and/or
@ -8,29 +9,53 @@
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _PPC_TLB_H
#define _PPC_TLB_H
#ifndef _ASM_POWERPC_TLB_H
#define _ASM_POWERPC_TLB_H
#include <linux/config.h>
#ifndef __powerpc64__
#include <asm/pgtable.h>
#endif
#include <asm/pgalloc.h>
#include <asm/tlbflush.h>
#ifndef __powerpc64__
#include <asm/page.h>
#include <asm/mmu.h>
#ifdef CONFIG_PPC_STD_MMU
/* Classic PPC with hash-table based MMU... */
#endif
struct mmu_gather;
#define tlb_start_vma(tlb, vma) do { } while (0)
#define tlb_end_vma(tlb, vma) do { } while (0)
#if !defined(CONFIG_PPC_STD_MMU)
#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
#elif defined(__powerpc64__)
extern void pte_free_finish(void);
static inline void tlb_flush(struct mmu_gather *tlb)
{
flush_tlb_pending();
pte_free_finish();
}
#else
extern void tlb_flush(struct mmu_gather *tlb);
#endif
/* Get the generic bits... */
#include <asm-generic/tlb.h>
/* Nothing needed here in fact... */
#define tlb_start_vma(tlb, vma) do { } while (0)
#define tlb_end_vma(tlb, vma) do { } while (0)
#if !defined(CONFIG_PPC_STD_MMU) || defined(__powerpc64__)
#define __tlb_remove_tlb_entry(tlb, pte, address) do { } while (0)
#else
extern void flush_hash_entry(struct mm_struct *mm, pte_t *ptep,
unsigned long address);
@ -41,17 +66,5 @@ static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep,
flush_hash_entry(tlb->mm, ptep, address);
}
#else
/* Embedded PPC with software-loaded TLB, very simple... */
#define tlb_start_vma(tlb, vma) do { } while (0)
#define tlb_end_vma(tlb, vma) do { } while (0)
#define __tlb_remove_tlb_entry(tlb, pte, address) do { } while (0)
#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
/* Get the generic bits... */
#include <asm-generic/tlb.h>
#endif /* CONFIG_PPC_STD_MMU */
#endif /* __PPC_TLB_H */
#endif
#endif /* __ASM_POWERPC_TLB_H */

39
include/asm-ppc64/tlb.h
View File

@ -1,39 +0,0 @@
/*
* TLB shootdown specifics for PPC64
*
* Copyright (C) 2002 Anton Blanchard, IBM Corp.
* Copyright (C) 2002 Paul Mackerras, IBM Corp.
*
* 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 _PPC64_TLB_H
#define _PPC64_TLB_H
#include <asm/tlbflush.h>
struct mmu_gather;
extern void pte_free_finish(void);
static inline void tlb_flush(struct mmu_gather *tlb)
{
flush_tlb_pending();
pte_free_finish();
}
/* Avoid pulling in another include just for this */
#define check_pgt_cache() do { } while (0)
/* Get the generic bits... */
#include <asm-generic/tlb.h>
/* Nothing needed here in fact... */
#define tlb_start_vma(tlb, vma) do { } while (0)
#define tlb_end_vma(tlb, vma) do { } while (0)
#define __tlb_remove_tlb_entry(tlb, pte, address) do { } while (0)
#endif /* _PPC64_TLB_H */