xtensa_ksyms.c 3.0 KB

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