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 <asm/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 */
41EXPORT_SYMBOL(memset);
42EXPORT_SYMBOL(memcpy);
43EXPORT_SYMBOL(memmove);
44EXPORT_SYMBOL(__strncpy_user);
45EXPORT_SYMBOL(clear_page);
46EXPORT_SYMBOL(copy_page);
47
48EXPORT_SYMBOL(empty_zero_page);
49
50/*
51 * gcc internal math functions
52 */
53extern long long __ashrdi3(long long, int);
54extern long long __ashldi3(long long, int);
55extern long long __lshrdi3(long long, int);
56extern int __divsi3(int, int);
57extern int __modsi3(int, int);
58extern long long __muldi3(long long, long long);
59extern int __mulsi3(int, int);
60extern unsigned int __udivsi3(unsigned int, unsigned int);
61extern unsigned int __umodsi3(unsigned int, unsigned int);
62extern unsigned long long __umoddi3(unsigned long long, unsigned long long);
63extern unsigned long long __udivdi3(unsigned long long, unsigned long long);
64extern int __ucmpdi2(int, int);
65
66EXPORT_SYMBOL(__ashldi3);
67EXPORT_SYMBOL(__ashrdi3);
68EXPORT_SYMBOL(__lshrdi3);
69EXPORT_SYMBOL(__divsi3);
70EXPORT_SYMBOL(__modsi3);
71EXPORT_SYMBOL(__muldi3);
72EXPORT_SYMBOL(__mulsi3);
73EXPORT_SYMBOL(__udivsi3);
74EXPORT_SYMBOL(__umodsi3);
75EXPORT_SYMBOL(__udivdi3);
76EXPORT_SYMBOL(__umoddi3);
77EXPORT_SYMBOL(__ucmpdi2);
78
79void __xtensa_libgcc_window_spill(void)
80{
81	BUG();
82}
83EXPORT_SYMBOL(__xtensa_libgcc_window_spill);
84
85unsigned long __sync_fetch_and_and_4(unsigned long *p, unsigned long v)
86{
87	BUG();
88}
89EXPORT_SYMBOL(__sync_fetch_and_and_4);
90
91unsigned long __sync_fetch_and_or_4(unsigned long *p, unsigned long v)
92{
93	BUG();
94}
95EXPORT_SYMBOL(__sync_fetch_and_or_4);
96
97#ifdef CONFIG_NET
98/*
99 * Networking support
100 */
101EXPORT_SYMBOL(csum_partial);
102EXPORT_SYMBOL(csum_partial_copy_generic);
103#endif /* CONFIG_NET */
104
105/*
106 * Architecture-specific symbols
107 */
108EXPORT_SYMBOL(__xtensa_copy_user);
109EXPORT_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
119EXPORT_SYMBOL(outsb);
120EXPORT_SYMBOL(outsw);
121EXPORT_SYMBOL(outsl);
122EXPORT_SYMBOL(insb);
123EXPORT_SYMBOL(insw);
124EXPORT_SYMBOL(insl);
125
126extern long common_exception_return;
127EXPORT_SYMBOL(common_exception_return);
128
129#ifdef CONFIG_FUNCTION_TRACER
130EXPORT_SYMBOL(_mcount);
131#endif
132
133EXPORT_SYMBOL(__invalidate_dcache_range);
134#if XCHAL_DCACHE_IS_WRITEBACK
135EXPORT_SYMBOL(__flush_dcache_range);
136#endif
137