From 9a0f78f63bc05d195aab781486ed57d1418d5f59 Mon Sep 17 00:00:00 2001 From: Stephen Rothwell Date: Fri, 4 Nov 2005 10:20:27 +1100 Subject: powerpc: merge tlb.h Signed-off-by: Stephen Rothwell --- include/asm-powerpc/tlb.h | 70 +++++++++++++++++++++++++++++++++++++++++++++++ include/asm-ppc/tlb.h | 57 -------------------------------------- include/asm-ppc64/tlb.h | 39 -------------------------- 3 files changed, 70 insertions(+), 96 deletions(-) create mode 100644 include/asm-powerpc/tlb.h delete mode 100644 include/asm-ppc/tlb.h delete mode 100644 include/asm-ppc64/tlb.h diff --git a/include/asm-powerpc/tlb.h b/include/asm-powerpc/tlb.h new file mode 100644 index 000000000000..56659f121779 --- /dev/null +++ b/include/asm-powerpc/tlb.h @@ -0,0 +1,70 @@ +/* + * 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 + * 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_POWERPC_TLB_H +#define _ASM_POWERPC_TLB_H + +#include +#ifndef __powerpc64__ +#include +#endif +#include +#include +#ifndef __powerpc64__ +#include +#include +#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 + +#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); + +static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep, + unsigned long address) +{ + if (pte_val(*ptep) & _PAGE_HASHPTE) + flush_hash_entry(tlb->mm, ptep, address); +} + +#endif +#endif /* __ASM_POWERPC_TLB_H */ diff --git a/include/asm-ppc/tlb.h b/include/asm-ppc/tlb.h deleted file mode 100644 index 2c142c5d8584..000000000000 --- a/include/asm-ppc/tlb.h +++ /dev/null @@ -1,57 +0,0 @@ -/* - * TLB shootdown specifics for PPC - * - * 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 _PPC_TLB_H -#define _PPC_TLB_H - -#include -#include -#include -#include -#include -#include - -#ifdef CONFIG_PPC_STD_MMU -/* Classic PPC with hash-table based MMU... */ - -struct mmu_gather; -extern void tlb_flush(struct mmu_gather *tlb); - -/* Get the generic bits... */ -#include - -/* Nothing needed here in fact... */ -#define tlb_start_vma(tlb, vma) do { } while (0) -#define tlb_end_vma(tlb, vma) do { } while (0) - -extern void flush_hash_entry(struct mm_struct *mm, pte_t *ptep, - unsigned long address); - -static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep, - unsigned long address) -{ - if (pte_val(*ptep) & _PAGE_HASHPTE) - 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 - -#endif /* CONFIG_PPC_STD_MMU */ - -#endif /* __PPC_TLB_H */ diff --git a/include/asm-ppc64/tlb.h b/include/asm-ppc64/tlb.h deleted file mode 100644 index 97cb696ce68d..000000000000 --- a/include/asm-ppc64/tlb.h +++ /dev/null @@ -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 - -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 - -/* 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 */ -- cgit v1.2.3