diff options
Diffstat (limited to 'include/asm-sparc64/string.h')
-rw-r--r-- | include/asm-sparc64/string.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/include/asm-sparc64/string.h b/include/asm-sparc64/string.h new file mode 100644 index 000000000000..c7d88622cb27 --- /dev/null +++ b/include/asm-sparc64/string.h | |||
@@ -0,0 +1,83 @@ | |||
1 | /* $Id: string.h,v 1.20 2001/09/27 04:36:24 kanoj Exp $ | ||
2 | * string.h: External definitions for optimized assembly string | ||
3 | * routines for the Linux Kernel. | ||
4 | * | ||
5 | * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu) | ||
6 | * Copyright (C) 1996,1997,1999 Jakub Jelinek (jakub@redhat.com) | ||
7 | */ | ||
8 | |||
9 | #ifndef __SPARC64_STRING_H__ | ||
10 | #define __SPARC64_STRING_H__ | ||
11 | |||
12 | /* Really, userland/ksyms should not see any of this stuff. */ | ||
13 | |||
14 | #ifdef __KERNEL__ | ||
15 | |||
16 | #include <asm/asi.h> | ||
17 | |||
18 | extern void *__memset(void *,int,__kernel_size_t); | ||
19 | |||
20 | #ifndef EXPORT_SYMTAB_STROPS | ||
21 | |||
22 | /* First the mem*() things. */ | ||
23 | #define __HAVE_ARCH_MEMMOVE | ||
24 | extern void *memmove(void *, const void *, __kernel_size_t); | ||
25 | |||
26 | #define __HAVE_ARCH_MEMCPY | ||
27 | extern void *memcpy(void *, const void *, __kernel_size_t); | ||
28 | |||
29 | #define __HAVE_ARCH_MEMSET | ||
30 | extern void *__builtin_memset(void *,int,__kernel_size_t); | ||
31 | |||
32 | static inline void *__constant_memset(void *s, int c, __kernel_size_t count) | ||
33 | { | ||
34 | extern __kernel_size_t __bzero(void *, __kernel_size_t); | ||
35 | |||
36 | if (!c) { | ||
37 | __bzero(s, count); | ||
38 | return s; | ||
39 | } else | ||
40 | return __memset(s, c, count); | ||
41 | } | ||
42 | |||
43 | #undef memset | ||
44 | #define memset(s, c, count) \ | ||
45 | ((__builtin_constant_p(count) && (count) <= 32) ? \ | ||
46 | __builtin_memset((s), (c), (count)) : \ | ||
47 | (__builtin_constant_p(c) ? \ | ||
48 | __constant_memset((s), (c), (count)) : \ | ||
49 | __memset((s), (c), (count)))) | ||
50 | |||
51 | #define __HAVE_ARCH_MEMSCAN | ||
52 | |||
53 | #undef memscan | ||
54 | #define memscan(__arg0, __char, __arg2) \ | ||
55 | ({ \ | ||
56 | extern void *__memscan_zero(void *, size_t); \ | ||
57 | extern void *__memscan_generic(void *, int, size_t); \ | ||
58 | void *__retval, *__addr = (__arg0); \ | ||
59 | size_t __size = (__arg2); \ | ||
60 | \ | ||
61 | if(__builtin_constant_p(__char) && !(__char)) \ | ||
62 | __retval = __memscan_zero(__addr, __size); \ | ||
63 | else \ | ||
64 | __retval = __memscan_generic(__addr, (__char), __size); \ | ||
65 | \ | ||
66 | __retval; \ | ||
67 | }) | ||
68 | |||
69 | #define __HAVE_ARCH_MEMCMP | ||
70 | extern int memcmp(const void *,const void *,__kernel_size_t); | ||
71 | |||
72 | /* Now the str*() stuff... */ | ||
73 | #define __HAVE_ARCH_STRLEN | ||
74 | extern __kernel_size_t strlen(const char *); | ||
75 | |||
76 | #define __HAVE_ARCH_STRNCMP | ||
77 | extern int strncmp(const char *, const char *, __kernel_size_t); | ||
78 | |||
79 | #endif /* !EXPORT_SYMTAB_STROPS */ | ||
80 | |||
81 | #endif /* __KERNEL__ */ | ||
82 | |||
83 | #endif /* !(__SPARC64_STRING_H__) */ | ||