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-rw-r--r--include/asm-mips/string.h156
1 files changed, 19 insertions, 137 deletions
diff --git a/include/asm-mips/string.h b/include/asm-mips/string.h
index 463a111..c42ad82 100644
--- a/include/asm-mips/string.h
+++ b/include/asm-mips/string.h
@@ -1,126 +1,31 @@
-/* $Id: string.h,v 1.13 2000/02/19 14:12:14 harald Exp $
- *
+/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (c) 1994, 1995, 1996, 1997, 1998 by Ralf Baechle
+ * Copyright (c) 1994, 95, 96, 97, 98, 2000, 01 Ralf Baechle
+ * Copyright (c) 2000 by Silicon Graphics, Inc.
+ * Copyright (c) 2001 MIPS Technologies, Inc.
*/
-#ifndef __ASM_MIPS_STRING_H
-#define __ASM_MIPS_STRING_H
-
-#include <linux/config.h>
-
-#define __HAVE_ARCH_STRCPY
-extern __inline__ char *strcpy(char *__dest, __const__ char *__src)
-{
- char *__xdest = __dest;
-
- __asm__ __volatile__(
- ".set\tnoreorder\n\t"
- ".set\tnoat\n"
- "1:\tlbu\t$1,(%1)\n\t"
- "addiu\t%1,1\n\t"
- "sb\t$1,(%0)\n\t"
- "bnez\t$1,1b\n\t"
- "addiu\t%0,1\n\t"
- ".set\tat\n\t"
- ".set\treorder"
- : "=r" (__dest), "=r" (__src)
- : "0" (__dest), "1" (__src)
- : "$1","memory");
-
- return __xdest;
-}
-
-#define __HAVE_ARCH_STRNCPY
-extern __inline__ char *strncpy(char *__dest, __const__ char *__src, size_t __n)
-{
- char *__xdest = __dest;
-
- if (__n == 0)
- return __xdest;
-
- __asm__ __volatile__(
- ".set\tnoreorder\n\t"
- ".set\tnoat\n"
- "1:\tlbu\t$1,(%1)\n\t"
- "subu\t%2,1\n\t"
- "sb\t$1,(%0)\n\t"
- "beqz\t$1,2f\n\t"
- "addiu\t%0,1\n\t"
- "bnez\t%2,1b\n\t"
- "addiu\t%1,1\n"
- "2:\n\t"
- ".set\tat\n\t"
- ".set\treorder"
- : "=r" (__dest), "=r" (__src), "=r" (__n)
- : "0" (__dest), "1" (__src), "2" (__n)
- : "$1","memory");
+#ifndef _ASM_STRING_H
+#define _ASM_STRING_H
- return __dest;
-}
-
-#define __HAVE_ARCH_STRCMP
-extern __inline__ int strcmp(__const__ char *__cs, __const__ char *__ct)
-{
- int __res;
-
- __asm__ __volatile__(
- ".set\tnoreorder\n\t"
- ".set\tnoat\n\t"
- "lbu\t%2,(%0)\n"
- "1:\tlbu\t$1,(%1)\n\t"
- "addiu\t%0,1\n\t"
- "bne\t$1,%2,2f\n\t"
- "addiu\t%1,1\n\t"
- "bnez\t%2,1b\n\t"
- "lbu\t%2,(%0)\n\t"
-#if defined(CONFIG_CPU_R3000)
- "nop\n\t"
-#endif
- "move\t%2,$1\n"
- "2:\tsubu\t%2,$1\n"
- "3:\t.set\tat\n\t"
- ".set\treorder"
- : "=r" (__cs), "=r" (__ct), "=r" (__res)
- : "0" (__cs), "1" (__ct)
- : "$1");
+/*
+ * We don't do inline string functions, since the
+ * optimised inline asm versions are not small.
+ */
- return __res;
-}
+#undef __HAVE_ARCH_STRCPY
+extern char *strcpy(char *__dest, __const__ char *__src);
-#define __HAVE_ARCH_STRNCMP
-extern __inline__ int
-strncmp(__const__ char *__cs, __const__ char *__ct, size_t __count)
-{
- int __res;
+#undef __HAVE_ARCH_STRNCPY
+extern char *strncpy(char *__dest, __const__ char *__src, size_t __n);
- __asm__ __volatile__(
- ".set\tnoreorder\n\t"
- ".set\tnoat\n"
- "1:\tlbu\t%3,(%0)\n\t"
- "beqz\t%2,2f\n\t"
- "lbu\t$1,(%1)\n\t"
- "subu\t%2,1\n\t"
- "bne\t$1,%3,3f\n\t"
- "addiu\t%0,1\n\t"
- "bnez\t%3,1b\n\t"
- "addiu\t%1,1\n"
- "2:\n\t"
-#if defined(CONFIG_CPU_R3000)
- "nop\n\t"
-#endif
- "move\t%3,$1\n"
- "3:\tsubu\t%3,$1\n\t"
- ".set\tat\n\t"
- ".set\treorder"
- : "=r" (__cs), "=r" (__ct), "=r" (__count), "=r" (__res)
- : "0" (__cs), "1" (__ct), "2" (__count)
- : "$1");
+#undef __HAVE_ARCH_STRCMP
+extern int strcmp(__const__ char *__cs, __const__ char *__ct);
- return __res;
-}
+#undef __HAVE_ARCH_STRNCMP
+extern int strncmp(__const__ char *__cs, __const__ char *__ct, size_t __count);
#undef __HAVE_ARCH_MEMSET
extern void *memset(void *__s, int __c, size_t __count);
@@ -131,27 +36,4 @@ extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
#undef __HAVE_ARCH_MEMMOVE
extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
-/* Don't build bcopy at all ... */
-#define __HAVE_ARCH_BCOPY
-
-#define __HAVE_ARCH_MEMSCAN
-extern __inline__ void *memscan(void *__addr, int __c, size_t __size)
-{
- char *__end = (char *)__addr + __size;
-
- __asm__(".set\tpush\n\t"
- ".set\tnoat\n\t"
- ".set\treorder\n\t"
- "1:\tbeq\t%0,%1,2f\n\t"
- "addiu\t%0,1\n\t"
- "lb\t$1,-1(%0)\n\t"
- "bne\t$1,%4,1b\n"
- "2:\t.set\tpop"
- : "=r" (__addr), "=r" (__end)
- : "0" (__addr), "1" (__end), "r" (__c)
- : "$1");
-
- return __addr;
-}
-
-#endif /* __ASM_MIPS_STRING_H */
+#endif /* _ASM_STRING_H */