X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-linux.git;a=blobdiff_plain;f=include%2Fasm-powerpc%2Ftlb.h;fp=include%2Fasm-ppc%2Ftlb.h;h=56659f12177981a7b71392e61039fb07a10bc0fc;hp=2c142c5d85847d15010a1ab8727ae0267c8cdb92;hb=9a0f78f63bc05d195aab781486ed57d1418d5f59;hpb=d3ab57ebdc6457543b346255fa47b0ecd7671136 diff --git a/include/asm-ppc/tlb.h b/include/asm-powerpc/tlb.h similarity index 68% rename from include/asm-ppc/tlb.h rename to include/asm-powerpc/tlb.h index 2c142c5d8584..56659f121779 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 +#ifndef __powerpc64__ #include +#endif #include #include +#ifndef __powerpc64__ #include #include - -#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 -/* 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 - -#endif /* CONFIG_PPC_STD_MMU */ - -#endif /* __PPC_TLB_H */ +#endif +#endif /* __ASM_POWERPC_TLB_H */