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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/sh/mm/nommu.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/sh/mm/nommu.c')
-rw-r--r-- | arch/sh/mm/nommu.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/arch/sh/mm/nommu.c b/arch/sh/mm/nommu.c new file mode 100644 index 00000000..36312d25 --- /dev/null +++ b/arch/sh/mm/nommu.c @@ -0,0 +1,104 @@ +/* + * arch/sh/mm/nommu.c + * + * Various helper routines and stubs for MMUless SH. + * + * 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(); +} + +void local_flush_tlb_mm(struct mm_struct *mm) +{ + BUG(); +} + +void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start, + unsigned long end) +{ + BUG(); +} + +void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page) +{ + BUG(); +} + +void local_flush_tlb_one(unsigned long asid, unsigned long page) +{ + BUG(); +} + +void local_flush_tlb_kernel_range(unsigned long start, unsigned long end) +{ + BUG(); +} + +void __flush_tlb_global(void) +{ +} + +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(); +} + +void __init page_table_range_init(unsigned long start, unsigned long end, + pgd_t *pgd_base) +{ +} + +void __set_fixmap(enum fixed_addresses idx, unsigned long phys, pgprot_t prot) +{ +} + +void pgtable_cache_init(void) +{ +} |