[net-next-2.6.git] / arch / m68k / include / asm / string_no.h

#ifndef _M68KNOMMU_STRING_H_
#define _M68KNOMMU_STRING_H_

#ifdef __KERNEL__ /* only set these up for kernel code */

#include <asm/setup.h>
#include <asm/page.h>

#define __HAVE_ARCH_STRCPY
static inline char * strcpy(char * dest,const char *src)
{
  char *xdest = dest;

  __asm__ __volatile__
       ("1:\tmoveb %1@+,%0@+\n\t"
        "jne 1b"
	: "=a" (dest), "=a" (src)
        : "0" (dest), "1" (src) : "memory");
  return xdest;
}

#define __HAVE_ARCH_STRNCPY
static inline char * strncpy(char *dest, const char *src, size_t n)
{
  char *xdest = dest;

  if (n == 0)
    return xdest;

  __asm__ __volatile__
       ("1:\tmoveb %1@+,%0@+\n\t"
	"jeq 2f\n\t"
        "subql #1,%2\n\t"
        "jne 1b\n\t"
        "2:"
        : "=a" (dest), "=a" (src), "=d" (n)
        : "0" (dest), "1" (src), "2" (n)
        : "memory");
  return xdest;
}


#ifndef CONFIG_COLDFIRE

#define __HAVE_ARCH_STRCMP
static inline int strcmp(const char * cs,const char * ct)
{
  char __res;

  __asm__
       ("1:\tmoveb %0@+,%2\n\t" /* get *cs */
        "cmpb %1@+,%2\n\t"      /* compare a byte */
        "jne  2f\n\t"           /* not equal, break out */
        "tstb %2\n\t"           /* at end of cs? */
        "jne  1b\n\t"           /* no, keep going */
        "jra  3f\n\t"		/* strings are equal */
        "2:\tsubb %1@-,%2\n\t"  /* *cs - *ct */
        "3:"
        : "=a" (cs), "=a" (ct), "=d" (__res)
        : "0" (cs), "1" (ct));

  return __res;
}

#define __HAVE_ARCH_STRNCMP
static inline int strncmp(const char * cs,const char * ct,size_t count)
{
  char __res;

  if (!count)
    return 0;
  __asm__
       ("1:\tmovb %0@+,%3\n\t"          /* get *cs */
        "cmpb   %1@+,%3\n\t"            /* compare a byte */
        "jne    3f\n\t"                 /* not equal, break out */
        "tstb   %3\n\t"                 /* at end of cs? */
        "jeq    4f\n\t"                 /* yes, all done */
        "subql  #1,%2\n\t"              /* no, adjust count */
        "jne    1b\n\t"                 /* more to do, keep going */
        "2:\tmoveq #0,%3\n\t"           /* strings are equal */
        "jra    4f\n\t"
        "3:\tsubb %1@-,%3\n\t"          /* *cs - *ct */
        "4:"
        : "=a" (cs), "=a" (ct), "=d" (count), "=d" (__res)
        : "0" (cs), "1" (ct), "2" (count));
  return __res;
}

#endif /* CONFIG_COLDFIRE */

#define __HAVE_ARCH_MEMSET
extern void * memset(void * s, int c, size_t count);

#define __HAVE_ARCH_MEMCPY
extern void * memcpy(void *d, const void *s, size_t count);

#else /* KERNEL */

/*
 *	let user libraries deal with these,
 *	IMHO the kernel has no place defining these functions for user apps
 */

#define __HAVE_ARCH_STRCPY 1
#define __HAVE_ARCH_STRNCPY 1
#define __HAVE_ARCH_STRCAT 1
#define __HAVE_ARCH_STRNCAT 1
#define __HAVE_ARCH_STRCMP 1
#define __HAVE_ARCH_STRNCMP 1
#define __HAVE_ARCH_STRNICMP 1
#define __HAVE_ARCH_STRCHR 1
#define __HAVE_ARCH_STRRCHR 1
#define __HAVE_ARCH_STRSTR 1
#define __HAVE_ARCH_STRLEN 1
#define __HAVE_ARCH_STRNLEN 1
#define __HAVE_ARCH_MEMSET 1
#define __HAVE_ARCH_MEMCPY 1
#define __HAVE_ARCH_MEMMOVE 1
#define __HAVE_ARCH_MEMSCAN 1
#define __HAVE_ARCH_MEMCMP 1
#define __HAVE_ARCH_MEMCHR 1
#define __HAVE_ARCH_STRTOK 1

#endif /* KERNEL */

#endif /* _M68K_STRING_H_ */
Commit	Line	Data
1da177e4 LT	1	#ifndef _M68KNOMMU_STRING_H_
	2	#define _M68KNOMMU_STRING_H_
	3
	4	#ifdef __KERNEL__ /* only set these up for kernel code */
	5
	6	#include <asm/setup.h>
	7	#include <asm/page.h>
	8
	9	#define __HAVE_ARCH_STRCPY
	10	static inline char * strcpy(char * dest,const char *src)
	11	{
	12	char *xdest = dest;
	13
	14	__asm__ __volatile__
	15	("1:\tmoveb %1@+,%0@+\n\t"
	16	"jne 1b"
	17	: "=a" (dest), "=a" (src)
	18	: "0" (dest), "1" (src) : "memory");
	19	return xdest;
	20	}
	21
	22	#define __HAVE_ARCH_STRNCPY
	23	static inline char * strncpy(char dest, const char src, size_t n)
	24	{
	25	char *xdest = dest;
	26
	27	if (n == 0)
	28	return xdest;
	29
	30	__asm__ __volatile__
	31	("1:\tmoveb %1@+,%0@+\n\t"
	32	"jeq 2f\n\t"
	33	"subql #1,%2\n\t"
	34	"jne 1b\n\t"
	35	"2:"
	36	: "=a" (dest), "=a" (src), "=d" (n)
	37	: "0" (dest), "1" (src), "2" (n)
	38	: "memory");
	39	return xdest;
	40	}
	41
	42
	43	#ifndef CONFIG_COLDFIRE
	44
	45	#define __HAVE_ARCH_STRCMP
	46	static inline int strcmp(const char * cs,const char * ct)
	47	{
	48	char __res;
	49
	50	__asm__
	51	("1:\tmoveb %0@+,%2\n\t" /* get cs /
	52	"cmpb %1@+,%2\n\t" /* compare a byte */
	53	"jne 2f\n\t" /* not equal, break out */
	54	"tstb %2\n\t" /* at end of cs? */
	55	"jne 1b\n\t" /* no, keep going */
	56	"jra 3f\n\t" /* strings are equal */
	57	"2:\tsubb %1@-,%2\n\t" /* cs - ct */
	58	"3:"
	59	: "=a" (cs), "=a" (ct), "=d" (__res)
	60	: "0" (cs), "1" (ct));
	61
	62	return __res;
	63	}
	64
65	#define __HAVE_ARCH_STRNCMP
66	static inline int strncmp(const char * cs,const char * ct,size_t count)
67	{
68	char __res;
69
70	if (!count)
71	return 0;
72	__asm__
73	("1:\tmovb %0@+,%3\n\t" /* get cs /
74	"cmpb %1@+,%3\n\t" /* compare a byte */
75	"jne 3f\n\t" /* not equal, break out */
76	"tstb %3\n\t" /* at end of cs? */
77	"jeq 4f\n\t" /* yes, all done */
78	"subql #1,%2\n\t" /* no, adjust count */
79	"jne 1b\n\t" /* more to do, keep going */
80	"2:\tmoveq #0,%3\n\t" /* strings are equal */
81	"jra 4f\n\t"
82	"3:\tsubb %1@-,%3\n\t" /* cs - ct */
83	"4:"
84	: "=a" (cs), "=a" (ct), "=d" (count), "=d" (__res)
85	: "0" (cs), "1" (ct), "2" (count));
86	return __res;
87	}
88
89	#endif /* CONFIG_COLDFIRE */
90
91	#define __HAVE_ARCH_MEMSET
92	extern void * memset(void * s, int c, size_t count);
93
94	#define __HAVE_ARCH_MEMCPY
95	extern void * memcpy(void d, const void s, size_t count);
96
97	#else /* KERNEL */
98
99	/*
100	* let user libraries deal with these,
101	* IMHO the kernel has no place defining these functions for user apps
102	*/
103
104	#define __HAVE_ARCH_STRCPY 1
105	#define __HAVE_ARCH_STRNCPY 1
106	#define __HAVE_ARCH_STRCAT 1
107	#define __HAVE_ARCH_STRNCAT 1
108	#define __HAVE_ARCH_STRCMP 1
109	#define __HAVE_ARCH_STRNCMP 1
110	#define __HAVE_ARCH_STRNICMP 1
111	#define __HAVE_ARCH_STRCHR 1
112	#define __HAVE_ARCH_STRRCHR 1
113	#define __HAVE_ARCH_STRSTR 1
114	#define __HAVE_ARCH_STRLEN 1
115	#define __HAVE_ARCH_STRNLEN 1
116	#define __HAVE_ARCH_MEMSET 1
117	#define __HAVE_ARCH_MEMCPY 1
118	#define __HAVE_ARCH_MEMMOVE 1
119	#define __HAVE_ARCH_MEMSCAN 1
120	#define __HAVE_ARCH_MEMCMP 1
121	#define __HAVE_ARCH_MEMCHR 1
122	#define __HAVE_ARCH_STRTOK 1
123
124	#endif /* KERNEL */
125
126	#endif /* _M68K_STRING_H_ */