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 */
40EXPORT_SYMBOL(memset);
41EXPORT_SYMBOL(memcpy);
42EXPORT_SYMBOL(memmove);
43EXPORT_SYMBOL(__memset);
44EXPORT_SYMBOL(__memcpy);
45EXPORT_SYMBOL(__memmove);
46#ifndef CONFIG_GENERIC_STRNCPY_FROM_USER
47EXPORT_SYMBOL(__strncpy_user);
48#endif
49EXPORT_SYMBOL(clear_page);
50EXPORT_SYMBOL(copy_page);
51
52EXPORT_SYMBOL(empty_zero_page);
53
54/*
55 * gcc internal math functions
56 */
57extern long long __ashrdi3(long long, int);
58extern long long __ashldi3(long long, int);
59extern long long __lshrdi3(long long, int);
60extern int __divsi3(int, int);
61extern int __modsi3(int, int);
62extern long long __muldi3(long long, long long);
63extern int __mulsi3(int, int);
64extern unsigned int __udivsi3(unsigned int, unsigned int);
65extern unsigned int __umodsi3(unsigned int, unsigned int);
66extern unsigned long long __umoddi3(unsigned long long, unsigned long long);
67extern unsigned long long __udivdi3(unsigned long long, unsigned long long);
68extern int __ucmpdi2(int, int);
69
70EXPORT_SYMBOL(__ashldi3);
71EXPORT_SYMBOL(__ashrdi3);
72EXPORT_SYMBOL(__lshrdi3);
73EXPORT_SYMBOL(__divsi3);
74EXPORT_SYMBOL(__modsi3);
75EXPORT_SYMBOL(__muldi3);
76EXPORT_SYMBOL(__mulsi3);
77EXPORT_SYMBOL(__udivsi3);
78EXPORT_SYMBOL(__umodsi3);
79EXPORT_SYMBOL(__udivdi3);
80EXPORT_SYMBOL(__umoddi3);
81EXPORT_SYMBOL(__ucmpdi2);
82
83void __xtensa_libgcc_window_spill(void)
84{
85	BUG();
86}
87EXPORT_SYMBOL(__xtensa_libgcc_window_spill);
88
89unsigned int __sync_fetch_and_and_4(volatile void *p, unsigned int v)
90{
91	BUG();
92}
93EXPORT_SYMBOL(__sync_fetch_and_and_4);
94
95unsigned int __sync_fetch_and_or_4(volatile void *p, unsigned int v)
96{
97	BUG();
98}
99EXPORT_SYMBOL(__sync_fetch_and_or_4);
100
101/*
102 * Networking support
103 */
104EXPORT_SYMBOL(csum_partial);
105EXPORT_SYMBOL(csum_partial_copy_generic);
106
107/*
108 * Architecture-specific symbols
109 */
110EXPORT_SYMBOL(__xtensa_copy_user);
111EXPORT_SYMBOL(__invalidate_icache_range);
112
113/*
114 * Kernel hacking ...
115 */
116
117#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE)
118// FIXME EXPORT_SYMBOL(screen_info);
119#endif
120
121extern long common_exception_return;
122EXPORT_SYMBOL(common_exception_return);
123
124#ifdef CONFIG_FUNCTION_TRACER
125EXPORT_SYMBOL(_mcount);
126#endif
127
128EXPORT_SYMBOL(__invalidate_dcache_range);
129#if XCHAL_DCACHE_IS_WRITEBACK
130EXPORT_SYMBOL(__flush_dcache_range);
131#endif
132