diff options
Diffstat (limited to 'arch/sh/mm/pg-sh7705.c')
-rw-r--r-- | arch/sh/mm/pg-sh7705.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/arch/sh/mm/pg-sh7705.c b/arch/sh/mm/pg-sh7705.c deleted file mode 100644 index 684891b5c8c0..000000000000 --- a/arch/sh/mm/pg-sh7705.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - * arch/sh/mm/pg-sh7705.c - * - * Copyright (C) 1999, 2000 Niibe Yutaka - * Copyright (C) 2004 Alex Song - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - */ - -#include <linux/init.h> -#include <linux/mman.h> -#include <linux/mm.h> -#include <linux/threads.h> -#include <linux/fs.h> -#include <asm/addrspace.h> -#include <asm/page.h> -#include <asm/pgtable.h> -#include <asm/processor.h> -#include <asm/cache.h> -#include <asm/io.h> -#include <asm/uaccess.h> -#include <asm/pgalloc.h> -#include <asm/mmu_context.h> -#include <asm/cacheflush.h> - -static void __flush_purge_virtual_region(void *p1, void *virt, int size) -{ - unsigned long v; - unsigned long begin, end; - unsigned long p1_begin; - - - begin = L1_CACHE_ALIGN((unsigned long)virt); - end = L1_CACHE_ALIGN((unsigned long)virt + size); - - p1_begin = (unsigned long)p1 & ~(L1_CACHE_BYTES - 1); - - /* do this the slow way as we may not have TLB entries - * for virt yet. */ - for (v = begin; v < end; v += L1_CACHE_BYTES) { - unsigned long p; - unsigned long ways, addr; - - p = __pa(p1_begin); - - ways = current_cpu_data.dcache.ways; - addr = CACHE_OC_ADDRESS_ARRAY; - - do { - unsigned long data; - - addr |= (v & current_cpu_data.dcache.entry_mask); - - data = ctrl_inl(addr); - if ((data & CACHE_PHYSADDR_MASK) == - (p & CACHE_PHYSADDR_MASK)) { - data &= ~(SH_CACHE_UPDATED|SH_CACHE_VALID); - ctrl_outl(data, addr); - } - - addr += current_cpu_data.dcache.way_incr; - } while (--ways); - - p1_begin += L1_CACHE_BYTES; - } -} - -/* - * clear_user_page - * @to: P1 address - * @address: U0 address to be mapped - */ -void clear_user_page(void *to, unsigned long address, struct page *pg) -{ - if (pages_do_alias(address, (unsigned long)to)) - __flush_purge_virtual_region(to, - (void *)(address & 0xfffff000), - PAGE_SIZE); - - clear_page(to); - __flush_wback_region(to, PAGE_SIZE); -} - -/* - * copy_user_page - * @to: P1 address - * @from: P1 address - * @address: U0 address to be mapped - */ -void copy_user_page(void *to, void *from, unsigned long address, struct page *pg) -{ - if (pages_do_alias(address, (unsigned long)to)) - __flush_purge_virtual_region(to, - (void *)(address & 0xfffff000), - PAGE_SIZE); - - copy_page(to, from); - __flush_wback_region(to, PAGE_SIZE); -} |