imported Ka-Ro specific additions to U-Boot 2009.08 for TX28

[karo-tx-uboot.git] / include / asm-mips / string.h

diff --git a/include/asm-mips/string.h b/include/asm-mips/string.h
index ce28754006708d48b99eefa2c21e45727483a0bf..579a591e629e890239a33916c1d0a77804548fd9 100755 (executable)
--- a/include/asm-mips/string.h
+++ b/include/asm-mips/string.h
@@ -1,157 +1,39 @@
-/* $Id$
- *
+/*
  * 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, __kernel_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, __kernel_size_t __count);
 
 #undef __HAVE_ARCH_MEMSET
-extern void *memset(void *__s, int __c, size_t __count);
+extern void *memset(void *__s, int __c, __kernel_size_t __count);
 
 #undef __HAVE_ARCH_MEMCPY
-extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
+extern void *memcpy(void *__to, __const__ void *__from, __kernel_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;
-}
+extern void *memmove(void *__dest, __const__ void *__src, __kernel_size_t __n);
 
-#endif /* __ASM_MIPS_STRING_H */
+#endif /* _ASM_STRING_H */