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-ppc/tlb.h | 57 --------------------------------------------------- 1 file changed, 57 deletions(-) delete mode 100644 include/asm-ppc/tlb.h (limited to 'include/asm-ppc') diff --git a/include/asm-ppc/tlb.h b/include/asm-ppc/tlb.h deleted file mode 100644 index 2c142c5d858..00000000000 --- 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 */ -- cgit v1.2.3 From 1970282f3b453b7aac3b192a44705dcb5277fd82 Mon Sep 17 00:00:00 2001 From: Stephen Rothwell Date: Fri, 4 Nov 2005 16:58:59 +1100 Subject: powerpc: merge tlbflush.h Signed-off-by: Stephen Rothwell --- include/asm-ppc/tlbflush.h | 115 --------------------------------------------- 1 file changed, 115 deletions(-) delete mode 100644 include/asm-ppc/tlbflush.h (limited to 'include/asm-ppc') diff --git a/include/asm-ppc/tlbflush.h b/include/asm-ppc/tlbflush.h deleted file mode 100644 index 9afee4ffc83..00000000000 --- a/include/asm-ppc/tlbflush.h +++ /dev/null @@ -1,115 +0,0 @@ -/* - * include/asm-ppc/tlbflush.h - * - * 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__ -#ifndef _PPC_TLBFLUSH_H -#define _PPC_TLBFLUSH_H - -#include -#include - -extern void _tlbie(unsigned long address); -extern void _tlbia(void); - -#if defined(CONFIG_4xx) - -#ifndef CONFIG_44x -#define __tlbia() asm volatile ("sync; tlbia; isync" : : : "memory") -#else -#define __tlbia _tlbia -#endif - -static inline void flush_tlb_mm(struct mm_struct *mm) - { __tlbia(); } -static inline void flush_tlb_page(struct vm_area_struct *vma, - unsigned long vmaddr) - { _tlbie(vmaddr); } -static inline void flush_tlb_page_nohash(struct vm_area_struct *vma, - unsigned long vmaddr) - { _tlbie(vmaddr); } -static inline void flush_tlb_range(struct vm_area_struct *vma, - unsigned long start, unsigned long end) - { __tlbia(); } -static inline void flush_tlb_kernel_range(unsigned long start, - unsigned long end) - { __tlbia(); } - -#elif defined(CONFIG_FSL_BOOKE) - -/* TODO: determine if flush_tlb_range & flush_tlb_kernel_range - * are best implemented as tlbia vs specific tlbie's */ - -#define __tlbia() _tlbia() - -static inline void flush_tlb_mm(struct mm_struct *mm) - { __tlbia(); } -static inline void flush_tlb_page(struct vm_area_struct *vma, - unsigned long vmaddr) - { _tlbie(vmaddr); } -static inline void flush_tlb_page_nohash(struct vm_area_struct *vma, - unsigned long vmaddr) - { _tlbie(vmaddr); } -static inline void flush_tlb_range(struct vm_area_struct *vma, - unsigned long start, unsigned long end) - { __tlbia(); } -static inline void flush_tlb_kernel_range(unsigned long start, - unsigned long end) - { __tlbia(); } - -#elif defined(CONFIG_8xx) -#define __tlbia() asm volatile ("tlbia; sync" : : : "memory") - -static inline void flush_tlb_mm(struct mm_struct *mm) - { __tlbia(); } -static inline void flush_tlb_page(struct vm_area_struct *vma, - unsigned long vmaddr) - { _tlbie(vmaddr); } -static inline void flush_tlb_page_nohash(struct vm_area_struct *vma, - unsigned long vmaddr) - { _tlbie(vmaddr); } -static inline void flush_tlb_range(struct vm_area_struct *vma, - unsigned long start, unsigned long end) - { __tlbia(); } -static inline void flush_tlb_kernel_range(unsigned long start, - unsigned long end) - { __tlbia(); } - -#else /* 6xx, 7xx, 7xxx cpus */ -struct mm_struct; -struct vm_area_struct; -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); -#endif - -/* - * This is called in munmap when we have freed up some page-table - * pages. We don't need to do anything here, there's nothing special - * about our page-table pages. -- paulus - */ -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ -} - -/* - * This gets called at the end of handling a page fault, when - * the kernel has put a new PTE into the page table for the process. - * We use it to ensure coherency between the i-cache and d-cache - * for the page which has just been mapped in. - * On machines which use an MMU hash table, we use this to put a - * corresponding HPTE into the hash table ahead of time, instead of - * waiting for the inevitable extra hash-table miss exception. - */ -extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t); - -#endif /* _PPC_TLBFLUSH_H */ -#endif /*__KERNEL__ */ -- cgit v1.2.3