1 /* 2 * arch/xtensa/kernel/xtensa_ksyms.c 3 * 4 * Export Xtensa-specific functions for loadable modules. 5 * 6 * This file is subject to the terms and conditions of the GNU General Public 7 * License. See the file "COPYING" in the main directory of this archive 8 * for more details. 9 * 10 * Copyright (C) 2001 - 2005 Tensilica Inc. 11 * 12 * Joe Taylor <joe@tensilica.com> 13 */ 14 15 #include <linux/module.h> 16 #include <asm/pgtable.h> 17 18 EXPORT_SYMBOL(empty_zero_page); 19 20 unsigned int __sync_fetch_and_and_4(volatile void *p, unsigned int v) 21 { 22 BUG(); 23 } 24 EXPORT_SYMBOL(__sync_fetch_and_and_4); 25 26 unsigned int __sync_fetch_and_or_4(volatile void *p, unsigned int v) 27 { 28 BUG(); 29 } 30 EXPORT_SYMBOL(__sync_fetch_and_or_4); 31