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 <linux/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/ftrace.h> 29 #ifdef CONFIG_BLK_DEV_FD 30 #include <asm/floppy.h> 31 #endif 32 #ifdef CONFIG_NET 33 #include <net/checksum.h> 34 #endif /* CONFIG_NET */ 35 36 37 /* 38 * String functions 39 */ 40 EXPORT_SYMBOL(memset); 41 EXPORT_SYMBOL(memcpy); 42 EXPORT_SYMBOL(memmove); 43 EXPORT_SYMBOL(__memset); 44 EXPORT_SYMBOL(__memcpy); 45 EXPORT_SYMBOL(__memmove); 46 #ifdef CONFIG_ARCH_HAS_STRNCPY_FROM_USER 47 EXPORT_SYMBOL(__strncpy_user); 48 #endif 49 EXPORT_SYMBOL(clear_page); 50 EXPORT_SYMBOL(copy_page); 51 52 EXPORT_SYMBOL(empty_zero_page); 53 54 /* 55 * gcc internal math functions 56 */ 57 extern long long __ashrdi3(long long, int); 58 extern long long __ashldi3(long long, int); 59 extern long long __lshrdi3(long long, int); 60 extern int __divsi3(int, int); 61 extern int __modsi3(int, int); 62 extern int __mulsi3(int, int); 63 extern unsigned int __udivsi3(unsigned int, unsigned int); 64 extern unsigned int __umodsi3(unsigned int, unsigned int); 65 66 EXPORT_SYMBOL(__ashldi3); 67 EXPORT_SYMBOL(__ashrdi3); 68 EXPORT_SYMBOL(__lshrdi3); 69 EXPORT_SYMBOL(__divsi3); 70 EXPORT_SYMBOL(__modsi3); 71 EXPORT_SYMBOL(__mulsi3); 72 EXPORT_SYMBOL(__udivsi3); 73 EXPORT_SYMBOL(__umodsi3); 74 75 unsigned int __sync_fetch_and_and_4(volatile void *p, unsigned int v) 76 { 77 BUG(); 78 } 79 EXPORT_SYMBOL(__sync_fetch_and_and_4); 80 81 unsigned int __sync_fetch_and_or_4(volatile void *p, unsigned int v) 82 { 83 BUG(); 84 } 85 EXPORT_SYMBOL(__sync_fetch_and_or_4); 86 87 /* 88 * Networking support 89 */ 90 EXPORT_SYMBOL(csum_partial); 91 EXPORT_SYMBOL(csum_partial_copy_generic); 92 93 /* 94 * Architecture-specific symbols 95 */ 96 EXPORT_SYMBOL(__xtensa_copy_user); 97 EXPORT_SYMBOL(__invalidate_icache_range); 98 99 /* 100 * Kernel hacking ... 101 */ 102 103 #if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE) 104 // FIXME EXPORT_SYMBOL(screen_info); 105 #endif 106 107 extern long common_exception_return; 108 EXPORT_SYMBOL(common_exception_return); 109 110 #ifdef CONFIG_FUNCTION_TRACER 111 EXPORT_SYMBOL(_mcount); 112 #endif 113 114 EXPORT_SYMBOL(__invalidate_dcache_range); 115 #if XCHAL_DCACHE_IS_WRITEBACK 116 EXPORT_SYMBOL(__flush_dcache_range); 117 #endif 118