diff options
Diffstat (limited to 'include/asm-m68k/string.h')
-rw-r--r-- | include/asm-m68k/string.h | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/include/asm-m68k/string.h b/include/asm-m68k/string.h deleted file mode 100644 index 2eb7df1e0f5d..000000000000 --- a/include/asm-m68k/string.h +++ /dev/null | |||
@@ -1,131 +0,0 @@ | |||
1 | #ifndef _M68K_STRING_H_ | ||
2 | #define _M68K_STRING_H_ | ||
3 | |||
4 | #include <linux/types.h> | ||
5 | #include <linux/compiler.h> | ||
6 | |||
7 | static inline size_t __kernel_strlen(const char *s) | ||
8 | { | ||
9 | const char *sc; | ||
10 | |||
11 | for (sc = s; *sc++; ) | ||
12 | ; | ||
13 | return sc - s - 1; | ||
14 | } | ||
15 | |||
16 | static inline char *__kernel_strcpy(char *dest, const char *src) | ||
17 | { | ||
18 | char *xdest = dest; | ||
19 | |||
20 | asm volatile ("\n" | ||
21 | "1: move.b (%1)+,(%0)+\n" | ||
22 | " jne 1b" | ||
23 | : "+a" (dest), "+a" (src) | ||
24 | : : "memory"); | ||
25 | return xdest; | ||
26 | } | ||
27 | |||
28 | #ifndef __IN_STRING_C | ||
29 | |||
30 | #define __HAVE_ARCH_STRLEN | ||
31 | #define strlen(s) (__builtin_constant_p(s) ? \ | ||
32 | __builtin_strlen(s) : \ | ||
33 | __kernel_strlen(s)) | ||
34 | |||
35 | #define __HAVE_ARCH_STRNLEN | ||
36 | static inline size_t strnlen(const char *s, size_t count) | ||
37 | { | ||
38 | const char *sc = s; | ||
39 | |||
40 | asm volatile ("\n" | ||
41 | "1: subq.l #1,%1\n" | ||
42 | " jcs 2f\n" | ||
43 | " tst.b (%0)+\n" | ||
44 | " jne 1b\n" | ||
45 | " subq.l #1,%0\n" | ||
46 | "2:" | ||
47 | : "+a" (sc), "+d" (count)); | ||
48 | return sc - s; | ||
49 | } | ||
50 | |||
51 | #define __HAVE_ARCH_STRCPY | ||
52 | #if __GNUC__ >= 4 | ||
53 | #define strcpy(d, s) (__builtin_constant_p(s) && \ | ||
54 | __builtin_strlen(s) <= 32 ? \ | ||
55 | __builtin_strcpy(d, s) : \ | ||
56 | __kernel_strcpy(d, s)) | ||
57 | #else | ||
58 | #define strcpy(d, s) __kernel_strcpy(d, s) | ||
59 | #endif | ||
60 | |||
61 | #define __HAVE_ARCH_STRNCPY | ||
62 | static inline char *strncpy(char *dest, const char *src, size_t n) | ||
63 | { | ||
64 | char *xdest = dest; | ||
65 | |||
66 | asm volatile ("\n" | ||
67 | " jra 2f\n" | ||
68 | "1: move.b (%1),(%0)+\n" | ||
69 | " jeq 2f\n" | ||
70 | " addq.l #1,%1\n" | ||
71 | "2: subq.l #1,%2\n" | ||
72 | " jcc 1b\n" | ||
73 | : "+a" (dest), "+a" (src), "+d" (n) | ||
74 | : : "memory"); | ||
75 | return xdest; | ||
76 | } | ||
77 | |||
78 | #define __HAVE_ARCH_STRCAT | ||
79 | #define strcat(d, s) ({ \ | ||
80 | char *__d = (d); \ | ||
81 | strcpy(__d + strlen(__d), (s)); \ | ||
82 | }) | ||
83 | |||
84 | #define __HAVE_ARCH_STRCHR | ||
85 | static inline char *strchr(const char *s, int c) | ||
86 | { | ||
87 | char sc, ch = c; | ||
88 | |||
89 | for (; (sc = *s++) != ch; ) { | ||
90 | if (!sc) | ||
91 | return NULL; | ||
92 | } | ||
93 | return (char *)s - 1; | ||
94 | } | ||
95 | |||
96 | #define __HAVE_ARCH_STRCMP | ||
97 | static inline int strcmp(const char *cs, const char *ct) | ||
98 | { | ||
99 | char res; | ||
100 | |||
101 | asm ("\n" | ||
102 | "1: move.b (%0)+,%2\n" /* get *cs */ | ||
103 | " cmp.b (%1)+,%2\n" /* compare a byte */ | ||
104 | " jne 2f\n" /* not equal, break out */ | ||
105 | " tst.b %2\n" /* at end of cs? */ | ||
106 | " jne 1b\n" /* no, keep going */ | ||
107 | " jra 3f\n" /* strings are equal */ | ||
108 | "2: sub.b -(%1),%2\n" /* *cs - *ct */ | ||
109 | "3:" | ||
110 | : "+a" (cs), "+a" (ct), "=d" (res)); | ||
111 | return res; | ||
112 | } | ||
113 | |||
114 | #define __HAVE_ARCH_MEMSET | ||
115 | extern void *memset(void *, int, __kernel_size_t); | ||
116 | #define memset(d, c, n) __builtin_memset(d, c, n) | ||
117 | |||
118 | #define __HAVE_ARCH_MEMCPY | ||
119 | extern void *memcpy(void *, const void *, __kernel_size_t); | ||
120 | #define memcpy(d, s, n) __builtin_memcpy(d, s, n) | ||
121 | |||
122 | #define __HAVE_ARCH_MEMMOVE | ||
123 | extern void *memmove(void *, const void *, __kernel_size_t); | ||
124 | |||
125 | #define __HAVE_ARCH_MEMCMP | ||
126 | extern int memcmp(const void *, const void *, __kernel_size_t); | ||
127 | #define memcmp(d, s, n) __builtin_memcmp(d, s, n) | ||
128 | |||
129 | #endif | ||
130 | |||
131 | #endif /* _M68K_STRING_H_ */ | ||