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/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 */ 41 EXPORT_SYMBOL(memset); 42 EXPORT_SYMBOL(memcpy); 43 EXPORT_SYMBOL(memmove); 44 EXPORT_SYMBOL(__memset); 45 EXPORT_SYMBOL(__memcpy); 46 EXPORT_SYMBOL(__memmove); 47 #ifndef CONFIG_GENERIC_STRNCPY_FROM_USER 48 EXPORT_SYMBOL(__strncpy_user); 49 #endif 50 EXPORT_SYMBOL(clear_page); 51 EXPORT_SYMBOL(copy_page); 52 53 EXPORT_SYMBOL(empty_zero_page); 54 55 /* 56 * gcc internal math functions 57 */ 58 extern long long __ashrdi3(long long, int); 59 extern long long __ashldi3(long long, int); 60 extern long long __lshrdi3(long long, int); 61 extern int __divsi3(int, int); 62 extern int __modsi3(int, int); 63 extern long long __muldi3(long long, long long); 64 extern int __mulsi3(int, int); 65 extern unsigned int __udivsi3(unsigned int, unsigned int); 66 extern unsigned int __umodsi3(unsigned int, unsigned int); 67 extern unsigned long long __umoddi3(unsigned long long, unsigned long long); 68 extern unsigned long long __udivdi3(unsigned long long, unsigned long long); 69 extern int __ucmpdi2(int, int); 70 71 EXPORT_SYMBOL(__ashldi3); 72 EXPORT_SYMBOL(__ashrdi3); 73 EXPORT_SYMBOL(__lshrdi3); 74 EXPORT_SYMBOL(__divsi3); 75 EXPORT_SYMBOL(__modsi3); 76 EXPORT_SYMBOL(__muldi3); 77 EXPORT_SYMBOL(__mulsi3); 78 EXPORT_SYMBOL(__udivsi3); 79 EXPORT_SYMBOL(__umodsi3); 80 EXPORT_SYMBOL(__udivdi3); 81 EXPORT_SYMBOL(__umoddi3); 82 EXPORT_SYMBOL(__ucmpdi2); 83 84 void __xtensa_libgcc_window_spill(void) 85 { 86 BUG(); 87 } 88 EXPORT_SYMBOL(__xtensa_libgcc_window_spill); 89 90 unsigned long __sync_fetch_and_and_4(unsigned long *p, unsigned long v) 91 { 92 BUG(); 93 } 94 EXPORT_SYMBOL(__sync_fetch_and_and_4); 95 96 unsigned long __sync_fetch_and_or_4(unsigned long *p, unsigned long v) 97 { 98 BUG(); 99 } 100 EXPORT_SYMBOL(__sync_fetch_and_or_4); 101 102 /* 103 * Networking support 104 */ 105 EXPORT_SYMBOL(csum_partial); 106 EXPORT_SYMBOL(csum_partial_copy_generic); 107 108 /* 109 * Architecture-specific symbols 110 */ 111 EXPORT_SYMBOL(__xtensa_copy_user); 112 EXPORT_SYMBOL(__invalidate_icache_range); 113 114 /* 115 * Kernel hacking ... 116 */ 117 118 #if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE) 119 // FIXME EXPORT_SYMBOL(screen_info); 120 #endif 121 122 extern long common_exception_return; 123 EXPORT_SYMBOL(common_exception_return); 124 125 #ifdef CONFIG_FUNCTION_TRACER 126 EXPORT_SYMBOL(_mcount); 127 #endif 128 129 EXPORT_SYMBOL(__invalidate_dcache_range); 130 #if XCHAL_DCACHE_IS_WRITEBACK 131 EXPORT_SYMBOL(__flush_dcache_range); 132 #endif 133