| /* 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 <linux/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; | |
| } |