diff options
| -rw-r--r-- | include/asm-powerpc/tlb.h (renamed from include/asm-ppc/tlb.h) | 59 | ||||
| -rw-r--r-- | include/asm-ppc64/tlb.h | 39 |
2 files changed, 36 insertions, 62 deletions
diff --git a/include/asm-ppc/tlb.h b/include/asm-powerpc/tlb.h index 2c142c5..56659f1 100644 --- a/include/asm-ppc/tlb.h +++ b/include/asm-powerpc/tlb.h @@ -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 */ diff --git a/include/asm-ppc64/tlb.h b/include/asm-ppc64/tlb.h deleted file mode 100644 index 97cb696..0000000 --- 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 <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 */ |
