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Linux/arch/xtensa/kernel/xtensa_ksyms.c

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  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(__strncpy_user);
 45 EXPORT_SYMBOL(clear_page);
 46 EXPORT_SYMBOL(copy_page);
 47 
 48 EXPORT_SYMBOL(empty_zero_page);
 49 
 50 /*
 51  * gcc internal math functions
 52  */
 53 extern long long __ashrdi3(long long, int);
 54 extern long long __ashldi3(long long, int);
 55 extern long long __lshrdi3(long long, int);
 56 extern int __divsi3(int, int);
 57 extern int __modsi3(int, int);
 58 extern long long __muldi3(long long, long long);
 59 extern int __mulsi3(int, int);
 60 extern unsigned int __udivsi3(unsigned int, unsigned int);
 61 extern unsigned int __umodsi3(unsigned int, unsigned int);
 62 extern unsigned long long __umoddi3(unsigned long long, unsigned long long);
 63 extern unsigned long long __udivdi3(unsigned long long, unsigned long long);
 64 extern int __ucmpdi2(int, 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(__muldi3);
 72 EXPORT_SYMBOL(__mulsi3);
 73 EXPORT_SYMBOL(__udivsi3);
 74 EXPORT_SYMBOL(__umodsi3);
 75 EXPORT_SYMBOL(__udivdi3);
 76 EXPORT_SYMBOL(__umoddi3);
 77 EXPORT_SYMBOL(__ucmpdi2);
 78 
 79 void __xtensa_libgcc_window_spill(void)
 80 {
 81         BUG();
 82 }
 83 EXPORT_SYMBOL(__xtensa_libgcc_window_spill);
 84 
 85 unsigned long __sync_fetch_and_and_4(unsigned long *p, unsigned long v)
 86 {
 87         BUG();
 88 }
 89 EXPORT_SYMBOL(__sync_fetch_and_and_4);
 90 
 91 unsigned long __sync_fetch_and_or_4(unsigned long *p, unsigned long v)
 92 {
 93         BUG();
 94 }
 95 EXPORT_SYMBOL(__sync_fetch_and_or_4);
 96 
 97 #ifdef CONFIG_NET
 98 /*
 99  * Networking support
100  */
101 EXPORT_SYMBOL(csum_partial);
102 EXPORT_SYMBOL(csum_partial_copy_generic);
103 #endif /* CONFIG_NET */
104 
105 /*
106  * Architecture-specific symbols
107  */
108 EXPORT_SYMBOL(__xtensa_copy_user);
109 EXPORT_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 
119 EXPORT_SYMBOL(outsb);
120 EXPORT_SYMBOL(outsw);
121 EXPORT_SYMBOL(outsl);
122 EXPORT_SYMBOL(insb);
123 EXPORT_SYMBOL(insw);
124 EXPORT_SYMBOL(insl);
125 
126 extern long common_exception_return;
127 EXPORT_SYMBOL(common_exception_return);
128 
129 #ifdef CONFIG_FUNCTION_TRACER
130 EXPORT_SYMBOL(_mcount);
131 #endif
132 
133 EXPORT_SYMBOL(__invalidate_dcache_range);
134 #if XCHAL_DCACHE_IS_WRITEBACK
135 EXPORT_SYMBOL(__flush_dcache_range);
136 #endif
137 

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