m68k/m68knommu: merge MMU and non-MMU string.h

The MMU and non-MMU string.h varients (string_no.h and string_mm.h)
and almost the same. Switch to using the string_mm.h one, merging
in the necessary ColdFire support.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

3 files changed, 131 insertions, 260 deletions

diff --git a/arch/m68k/include/asm/string.h b/arch/m68k/include/asm/string.h
index 2c356f9..2936dda 100644
--- a/arch/m68k/include/asm/string.h
+++ b/arch/m68k/include/asm/string.h
@@ -1,5 +1,133 @@
-#ifdef __uClinux__
-#include "string_no.h"
+#ifndef _M68K_STRING_H_
+#define _M68K_STRING_H_
+
+#include <linux/types.h>
+#include <linux/compiler.h>
+
+static inline size_t __kernel_strlen(const char *s)
+{
+	const char *sc;
+
+	for (sc = s; *sc++; )
+		;
+	return sc - s - 1;
+}
+
+static inline char *__kernel_strcpy(char *dest, const char *src)
+{
+	char *xdest = dest;
+
+	asm volatile ("\n"
+		"1:	move.b	(%1)+,(%0)+\n"
+		"	jne	1b"
+		: "+a" (dest), "+a" (src)
+		: : "memory");
+	return xdest;
+}
+
+#ifndef __IN_STRING_C
+
+#define __HAVE_ARCH_STRLEN
+#define strlen(s)	(__builtin_constant_p(s) ?	\
+			 __builtin_strlen(s) :		\
+			 __kernel_strlen(s))
+
+#define __HAVE_ARCH_STRNLEN
+static inline size_t strnlen(const char *s, size_t count)
+{
+	const char *sc = s;
+
+	asm volatile ("\n"
+		"1:     subq.l  #1,%1\n"
+		"       jcs     2f\n"
+		"       tst.b   (%0)+\n"
+		"       jne     1b\n"
+		"       subq.l  #1,%0\n"
+		"2:"
+		: "+a" (sc), "+d" (count));
+	return sc - s;
+}
+
+#define __HAVE_ARCH_STRCPY
+#if __GNUC__ >= 4
+#define strcpy(d, s)	(__builtin_constant_p(s) &&	\
+			 __builtin_strlen(s) <= 32 ?	\
+			 __builtin_strcpy(d, s) :	\
+			 __kernel_strcpy(d, s))
 #else
-#include "string_mm.h"
+#define strcpy(d, s)	__kernel_strcpy(d, s)
 #endif
+
+#define __HAVE_ARCH_STRNCPY
+static inline char *strncpy(char *dest, const char *src, size_t n)
+{
+	char *xdest = dest;
+
+	asm volatile ("\n"
+		"	jra	2f\n"
+		"1:	move.b	(%1),(%0)+\n"
+		"	jeq	2f\n"
+		"	addq.l	#1,%1\n"
+		"2:	subq.l	#1,%2\n"
+		"	jcc	1b\n"
+		: "+a" (dest), "+a" (src), "+d" (n)
+		: : "memory");
+	return xdest;
+}
+
+#define __HAVE_ARCH_STRCAT
+#define strcat(d, s)	({			\
+	char *__d = (d);			\
+	strcpy(__d + strlen(__d), (s));		\
+})
+
+#define __HAVE_ARCH_STRCHR
+static inline char *strchr(const char *s, int c)
+{
+	char sc, ch = c;
+
+	for (; (sc = *s++) != ch; ) {
+		if (!sc)
+			return NULL;
+	}
+	return (char *)s - 1;
+}
+
+#ifndef CONFIG_COLDFIRE
+#define __HAVE_ARCH_STRCMP
+static inline int strcmp(const char *cs, const char *ct)
+{
+	char res;
+
+	asm ("\n"
+		"1:	move.b	(%0)+,%2\n"	/* get *cs */
+		"	cmp.b	(%1)+,%2\n"	/* compare a byte */
+		"	jne	2f\n"		/* not equal, break out */
+		"	tst.b	%2\n"		/* at end of cs? */
+		"	jne	1b\n"		/* no, keep going */
+		"	jra	3f\n"		/* strings are equal */
+		"2:	sub.b	-(%1),%2\n"	/* *cs - *ct */
+		"3:"
+		: "+a" (cs), "+a" (ct), "=d" (res));
+	return res;
+}
+
+#define __HAVE_ARCH_MEMMOVE
+extern void *memmove(void *, const void *, __kernel_size_t);
+
+#define __HAVE_ARCH_MEMCMP
+extern int memcmp(const void *, const void *, __kernel_size_t);
+#define memcmp(d, s, n) __builtin_memcmp(d, s, n)
+#endif /* CONFIG_COLDFIRE */
+
+#define __HAVE_ARCH_MEMSET
+extern void *memset(void *, int, __kernel_size_t);
+#define memset(d, c, n) __builtin_memset(d, c, n)
+
+#define __HAVE_ARCH_MEMCPY
+extern void *memcpy(void *, const void *, __kernel_size_t);
+#define memcpy(d, s, n) __builtin_memcpy(d, s, n)
+
+#endif
+
+#endif /* _M68K_STRING_H_ */
diff --git a/arch/m68k/include/asm/string_mm.h b/arch/m68k/include/asm/string_mm.h
deleted file mode 100644
index 2eb7df1..0000000
--- a/arch/m68k/include/asm/string_mm.h
+++ /dev/null
@@ -1,131 +0,0 @@
-#ifndef _M68K_STRING_H_
-#define _M68K_STRING_H_
-
-#include <linux/types.h>
-#include <linux/compiler.h>
-
-static inline size_t __kernel_strlen(const char *s)
-{
-	const char *sc;
-
-	for (sc = s; *sc++; )
-		;
-	return sc - s - 1;
-}
-
-static inline char *__kernel_strcpy(char *dest, const char *src)
-{
-	char *xdest = dest;
-
-	asm volatile ("\n"
-		"1:	move.b	(%1)+,(%0)+\n"
-		"	jne	1b"
-		: "+a" (dest), "+a" (src)
-		: : "memory");
-	return xdest;
-}
-
-#ifndef __IN_STRING_C
-
-#define __HAVE_ARCH_STRLEN
-#define strlen(s)	(__builtin_constant_p(s) ?	\
-			 __builtin_strlen(s) :		\
-			 __kernel_strlen(s))
-
-#define __HAVE_ARCH_STRNLEN
-static inline size_t strnlen(const char *s, size_t count)
-{
-	const char *sc = s;
-
-	asm volatile ("\n"
-		"1:     subq.l  #1,%1\n"
-		"       jcs     2f\n"
-		"       tst.b   (%0)+\n"
-		"       jne     1b\n"
-		"       subq.l  #1,%0\n"
-		"2:"
-		: "+a" (sc), "+d" (count));
-	return sc - s;
-}
-
-#define __HAVE_ARCH_STRCPY
-#if __GNUC__ >= 4
-#define strcpy(d, s)	(__builtin_constant_p(s) &&	\
-			 __builtin_strlen(s) <= 32 ?	\
-			 __builtin_strcpy(d, s) :	\
-			 __kernel_strcpy(d, s))
-#else
-#define strcpy(d, s)	__kernel_strcpy(d, s)
-#endif
-
-#define __HAVE_ARCH_STRNCPY
-static inline char *strncpy(char *dest, const char *src, size_t n)
-{
-	char *xdest = dest;
-
-	asm volatile ("\n"
-		"	jra	2f\n"
-		"1:	move.b	(%1),(%0)+\n"
-		"	jeq	2f\n"
-		"	addq.l	#1,%1\n"
-		"2:	subq.l	#1,%2\n"
-		"	jcc	1b\n"
-		: "+a" (dest), "+a" (src), "+d" (n)
-		: : "memory");
-	return xdest;
-}
-
-#define __HAVE_ARCH_STRCAT
-#define strcat(d, s)	({			\
-	char *__d = (d);			\
-	strcpy(__d + strlen(__d), (s));		\
-})
-
-#define __HAVE_ARCH_STRCHR
-static inline char *strchr(const char *s, int c)
-{
-	char sc, ch = c;
-
-	for (; (sc = *s++) != ch; ) {
-		if (!sc)
-			return NULL;
-	}
-	return (char *)s - 1;
-}
-
-#define __HAVE_ARCH_STRCMP
-static inline int strcmp(const char *cs, const char *ct)
-{
-	char res;
-
-	asm ("\n"
-		"1:	move.b	(%0)+,%2\n"	/* get *cs */
-		"	cmp.b	(%1)+,%2\n"	/* compare a byte */
-		"	jne	2f\n"		/* not equal, break out */
-		"	tst.b	%2\n"		/* at end of cs? */
-		"	jne	1b\n"		/* no, keep going */
-		"	jra	3f\n"		/* strings are equal */
-		"2:	sub.b	-(%1),%2\n"	/* *cs - *ct */
-		"3:"
-		: "+a" (cs), "+a" (ct), "=d" (res));
-	return res;
-}
-
-#define __HAVE_ARCH_MEMSET
-extern void *memset(void *, int, __kernel_size_t);
-#define memset(d, c, n) __builtin_memset(d, c, n)
-
-#define __HAVE_ARCH_MEMCPY
-extern void *memcpy(void *, const void *, __kernel_size_t);
-#define memcpy(d, s, n) __builtin_memcpy(d, s, n)
-
-#define __HAVE_ARCH_MEMMOVE
-extern void *memmove(void *, const void *, __kernel_size_t);
-
-#define __HAVE_ARCH_MEMCMP
-extern int memcmp(const void *, const void *, __kernel_size_t);
-#define memcmp(d, s, n) __builtin_memcmp(d, s, n)
-
-#endif
-
-#endif /* _M68K_STRING_H_ */
diff --git a/arch/m68k/include/asm/string_no.h b/arch/m68k/include/asm/string_no.h
deleted file mode 100644
index af09e17..0000000
--- a/arch/m68k/include/asm/string_no.h
+++ /dev/null
@@ -1,126 +0,0 @@
-#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_ */