1 #ifndef _M68K_STRING_H_
2 #define _M68K_STRING_H_
4 #include <linux/types.h>
5 #include <linux/compiler.h>
7 static inline size_t __kernel_strlen(const char *s)
16 static inline char *__kernel_strcpy(char *dest, const char *src)
21 "1: move.b (%1)+,(%0)+\n"
23 : "+a" (dest), "+a" (src)
30 #define __HAVE_ARCH_STRLEN
31 #define strlen(s) (__builtin_constant_p(s) ? \
32 __builtin_strlen(s) : \
35 #define __HAVE_ARCH_STRNLEN
36 static inline size_t strnlen(const char *s, size_t count)
47 : "+a" (sc), "+d" (count));
51 #define __HAVE_ARCH_STRCPY
53 #define strcpy(d, s) (__builtin_constant_p(s) && \
54 __builtin_strlen(s) <= 32 ? \
55 __builtin_strcpy(d, s) : \
56 __kernel_strcpy(d, s))
58 #define strcpy(d, s) __kernel_strcpy(d, s)
61 #define __HAVE_ARCH_STRNCPY
62 static inline char *strncpy(char *dest, const char *src, size_t n)
68 "1: move.b (%1),(%0)+\n"
73 : "+a" (dest), "+a" (src), "+d" (n)
78 #define __HAVE_ARCH_STRCAT
79 #define strcat(d, s) ({ \
81 strcpy(__d + strlen(__d), (s)); \
84 #ifndef CONFIG_COLDFIRE
85 #define __HAVE_ARCH_STRCMP
86 static inline int strcmp(const char *cs, const char *ct)
91 "1: move.b (%0)+,%2\n" /* get *cs */
92 " cmp.b (%1)+,%2\n" /* compare a byte */
93 " jne 2f\n" /* not equal, break out */
94 " tst.b %2\n" /* at end of cs? */
95 " jne 1b\n" /* no, keep going */
96 " jra 3f\n" /* strings are equal */
97 "2: sub.b -(%1),%2\n" /* *cs - *ct */
99 : "+a" (cs), "+a" (ct), "=d" (res));
103 #define __HAVE_ARCH_MEMMOVE
104 extern void *memmove(void *, const void *, __kernel_size_t);
106 #define __HAVE_ARCH_MEMCMP
107 extern int memcmp(const void *, const void *, __kernel_size_t);
108 #define memcmp(d, s, n) __builtin_memcmp(d, s, n)
109 #endif /* CONFIG_COLDFIRE */
111 #define __HAVE_ARCH_MEMSET
112 extern void *memset(void *, int, __kernel_size_t);
113 #define memset(d, c, n) __builtin_memset(d, c, n)
115 #define __HAVE_ARCH_MEMCPY
116 extern void *memcpy(void *, const void *, __kernel_size_t);
117 #define memcpy(d, s, n) __builtin_memcpy(d, s, n)
121 #endif /* _M68K_STRING_H_ */