| /* MN10300 Cache flushing routines |
| * |
| * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. |
| * Written by David Howells (dhowells@redhat.com) |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public Licence |
| * as published by the Free Software Foundation; either version |
| * 2 of the Licence, or (at your option) any later version. |
| */ |
| #include <linux/module.h> |
| #include <linux/mm.h> |
| #include <linux/mman.h> |
| #include <linux/threads.h> |
| #include <asm/page.h> |
| #include <asm/pgtable.h> |
| #include <asm/processor.h> |
| #include <asm/cacheflush.h> |
| #include <asm/io.h> |
| #include <asm/uaccess.h> |
| #include <asm/smp.h> |
| #include "cache-smp.h" |
| |
| EXPORT_SYMBOL(mn10300_icache_inv); |
| EXPORT_SYMBOL(mn10300_icache_inv_range); |
| EXPORT_SYMBOL(mn10300_icache_inv_range2); |
| EXPORT_SYMBOL(mn10300_icache_inv_page); |
| EXPORT_SYMBOL(mn10300_dcache_inv); |
| EXPORT_SYMBOL(mn10300_dcache_inv_range); |
| EXPORT_SYMBOL(mn10300_dcache_inv_range2); |
| EXPORT_SYMBOL(mn10300_dcache_inv_page); |
| |
| #ifdef CONFIG_MN10300_CACHE_WBACK |
| EXPORT_SYMBOL(mn10300_dcache_flush); |
| EXPORT_SYMBOL(mn10300_dcache_flush_inv); |
| EXPORT_SYMBOL(mn10300_dcache_flush_inv_range); |
| EXPORT_SYMBOL(mn10300_dcache_flush_inv_range2); |
| EXPORT_SYMBOL(mn10300_dcache_flush_inv_page); |
| EXPORT_SYMBOL(mn10300_dcache_flush_range); |
| EXPORT_SYMBOL(mn10300_dcache_flush_range2); |
| EXPORT_SYMBOL(mn10300_dcache_flush_page); |
| #endif |
| |
| /* |
| * allow userspace to flush the instruction cache |
| */ |
| asmlinkage long sys_cacheflush(unsigned long start, unsigned long end) |
| { |
| if (end < start) |
| return -EINVAL; |
| |
| flush_icache_range(start, end); |
| return 0; |
| } |