diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/sh/mm/nommu.c (renamed from arch/sh/mm/tlb-nommu.c) | 44 |
1 files changed, 39 insertions, 5 deletions
diff --git a/arch/sh/mm/tlb-nommu.c b/arch/sh/mm/nommu.c index 71c742b5aee3..ac16c05917ef 100644 --- a/arch/sh/mm/tlb-nommu.c +++ b/arch/sh/mm/nommu.c @@ -1,20 +1,41 @@ /* - * arch/sh/mm/tlb-nommu.c + * arch/sh/mm/nommu.c * - * TLB Operations for MMUless SH. + * Various helper routines and stubs for MMUless SH. * - * Copyright (C) 2002 Paul Mundt + * Copyright (C) 2002 - 2009 Paul Mundt * * Released under the terms of the GNU GPL v2.0. */ #include <linux/kernel.h> +#include <linux/init.h> +#include <linux/string.h> #include <linux/mm.h> #include <asm/pgtable.h> #include <asm/tlbflush.h> +#include <asm/page.h> +#include <asm/uaccess.h> /* * Nothing too terribly exciting here .. */ +void copy_page(void *to, void *from) +{ + memcpy(to, from, PAGE_SIZE); +} + +__kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n) +{ + memcpy(to, from, n); + return 0; +} + +__kernel_size_t __clear_user(void *to, __kernel_size_t n) +{ + memset(to, 0, n); + return 0; +} + void local_flush_tlb_all(void) { BUG(); @@ -46,8 +67,21 @@ void local_flush_tlb_kernel_range(unsigned long start, unsigned long end) BUG(); } -void update_mmu_cache(struct vm_area_struct * vma, - unsigned long address, pte_t pte) +void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte) +{ +} + +void __init kmap_coherent_init(void) +{ +} + +void *kmap_coherent(struct page *page, unsigned long addr) +{ + BUG(); + return NULL; +} + +void kunmap_coherent(void *kvaddr) { BUG(); } |