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 <linux/string.h> 17#include <linux/mm.h> 18#include <linux/interrupt.h> 19#include <asm/irq.h> 20#include <linux/in6.h> 21 22#include <asm/uaccess.h> 23#include <asm/cacheflush.h> 24#include <asm/checksum.h> 25#include <asm/dma.h> 26#include <asm/io.h> 27#include <asm/page.h> 28#include <asm/pgalloc.h> 29#include <asm/ftrace.h> 30#ifdef CONFIG_BLK_DEV_FD 31#include <asm/floppy.h> 32#endif 33#ifdef CONFIG_NET 34#include <net/checksum.h> 35#endif /* CONFIG_NET */ 36 37 38/* 39 * String functions 40 */ 41EXPORT_SYMBOL(memset); 42EXPORT_SYMBOL(memcpy); 43EXPORT_SYMBOL(memmove); 44EXPORT_SYMBOL(__strncpy_user); 45EXPORT_SYMBOL(clear_page); 46EXPORT_SYMBOL(copy_page); 47 48EXPORT_SYMBOL(empty_zero_page); 49 50/* 51 * gcc internal math functions 52 */ 53extern long long __ashrdi3(long long, int); 54extern long long __ashldi3(long long, int); 55extern long long __lshrdi3(long long, int); 56extern int __divsi3(int, int); 57extern int __modsi3(int, int); 58extern long long __muldi3(long long, long long); 59extern int __mulsi3(int, int); 60extern unsigned int __udivsi3(unsigned int, unsigned int); 61extern unsigned int __umodsi3(unsigned int, unsigned int); 62extern unsigned long long __umoddi3(unsigned long long, unsigned long long); 63extern unsigned long long __udivdi3(unsigned long long, unsigned long long); 64extern int __ucmpdi2(int, int); 65 66EXPORT_SYMBOL(__ashldi3); 67EXPORT_SYMBOL(__ashrdi3); 68EXPORT_SYMBOL(__lshrdi3); 69EXPORT_SYMBOL(__divsi3); 70EXPORT_SYMBOL(__modsi3); 71EXPORT_SYMBOL(__muldi3); 72EXPORT_SYMBOL(__mulsi3); 73EXPORT_SYMBOL(__udivsi3); 74EXPORT_SYMBOL(__umodsi3); 75EXPORT_SYMBOL(__udivdi3); 76EXPORT_SYMBOL(__umoddi3); 77EXPORT_SYMBOL(__ucmpdi2); 78 79void __xtensa_libgcc_window_spill(void) 80{ 81 BUG(); 82} 83EXPORT_SYMBOL(__xtensa_libgcc_window_spill); 84 85unsigned long __sync_fetch_and_and_4(unsigned long *p, unsigned long v) 86{ 87 BUG(); 88} 89EXPORT_SYMBOL(__sync_fetch_and_and_4); 90 91unsigned long __sync_fetch_and_or_4(unsigned long *p, unsigned long v) 92{ 93 BUG(); 94} 95EXPORT_SYMBOL(__sync_fetch_and_or_4); 96 97#ifdef CONFIG_NET 98/* 99 * Networking support 100 */ 101EXPORT_SYMBOL(csum_partial); 102EXPORT_SYMBOL(csum_partial_copy_generic); 103#endif /* CONFIG_NET */ 104 105/* 106 * Architecture-specific symbols 107 */ 108EXPORT_SYMBOL(__xtensa_copy_user); 109EXPORT_SYMBOL(__invalidate_icache_range); 110 111/* 112 * Kernel hacking ... 113 */ 114 115#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE) 116// FIXME EXPORT_SYMBOL(screen_info); 117#endif 118 119EXPORT_SYMBOL(outsb); 120EXPORT_SYMBOL(outsw); 121EXPORT_SYMBOL(outsl); 122EXPORT_SYMBOL(insb); 123EXPORT_SYMBOL(insw); 124EXPORT_SYMBOL(insl); 125 126extern long common_exception_return; 127EXPORT_SYMBOL(common_exception_return); 128 129#ifdef CONFIG_FUNCTION_TRACER 130EXPORT_SYMBOL(_mcount); 131#endif 132 133EXPORT_SYMBOL(__invalidate_dcache_range); 134#if XCHAL_DCACHE_IS_WRITEBACK 135EXPORT_SYMBOL(__flush_dcache_range); 136#endif 137