summaryrefslogtreecommitdiffstats
path: root/include/asm-xtensa/string.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-xtensa/string.h')
-rw-r--r--include/asm-xtensa/string.h124
1 files changed, 0 insertions, 124 deletions
diff --git a/include/asm-xtensa/string.h b/include/asm-xtensa/string.h
deleted file mode 100644
index 5fb8c27cbef5..000000000000
--- a/include/asm-xtensa/string.h
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * include/asm-xtensa/string.h
- *
- * These trivial string functions are considered part of the public domain.
- *
- * 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) 2001 - 2005 Tensilica Inc.
- */
-
-/* We should optimize these. See arch/xtensa/lib/strncpy_user.S */
-
-#ifndef _XTENSA_STRING_H
-#define _XTENSA_STRING_H
-
-#define __HAVE_ARCH_STRCPY
-static inline char *strcpy(char *__dest, const char *__src)
-{
- register char *__xdest = __dest;
- unsigned long __dummy;
-
- __asm__ __volatile__("1:\n\t"
- "l8ui %2, %1, 0\n\t"
- "s8i %2, %0, 0\n\t"
- "addi %1, %1, 1\n\t"
- "addi %0, %0, 1\n\t"
- "bnez %2, 1b\n\t"
- : "=r" (__dest), "=r" (__src), "=&r" (__dummy)
- : "0" (__dest), "1" (__src)
- : "memory");
-
- return __xdest;
-}
-
-#define __HAVE_ARCH_STRNCPY
-static inline char *strncpy(char *__dest, const char *__src, size_t __n)
-{
- register char *__xdest = __dest;
- unsigned long __dummy;
-
- if (__n == 0)
- return __xdest;
-
- __asm__ __volatile__(
- "1:\n\t"
- "l8ui %2, %1, 0\n\t"
- "s8i %2, %0, 0\n\t"
- "addi %1, %1, 1\n\t"
- "addi %0, %0, 1\n\t"
- "beqz %2, 2f\n\t"
- "bne %1, %5, 1b\n"
- "2:"
- : "=r" (__dest), "=r" (__src), "=&r" (__dummy)
- : "0" (__dest), "1" (__src), "r" (__src+__n)
- : "memory");
-
- return __xdest;
-}
-
-#define __HAVE_ARCH_STRCMP
-static inline int strcmp(const char *__cs, const char *__ct)
-{
- register int __res;
- unsigned long __dummy;
-
- __asm__ __volatile__(
- "1:\n\t"
- "l8ui %3, %1, 0\n\t"
- "addi %1, %1, 1\n\t"
- "l8ui %2, %0, 0\n\t"
- "addi %0, %0, 1\n\t"
- "beqz %2, 2f\n\t"
- "beq %2, %3, 1b\n"
- "2:\n\t"
- "sub %2, %3, %2"
- : "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&r" (__dummy)
- : "0" (__cs), "1" (__ct));
-
- return __res;
-}
-
-#define __HAVE_ARCH_STRNCMP
-static inline int strncmp(const char *__cs, const char *__ct, size_t __n)
-{
- register int __res;
- unsigned long __dummy;
-
- __asm__ __volatile__(
- "mov %2, %3\n"
- "1:\n\t"
- "beq %0, %6, 2f\n\t"
- "l8ui %3, %1, 0\n\t"
- "addi %1, %1, 1\n\t"
- "l8ui %2, %0, 0\n\t"
- "addi %0, %0, 1\n\t"
- "beqz %2, 2f\n\t"
- "beqz %3, 2f\n\t"
- "beq %2, %3, 1b\n"
- "2:\n\t"
- "sub %2, %3, %2"
- : "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&r" (__dummy)
- : "0" (__cs), "1" (__ct), "r" (__cs+__n));
-
- return __res;
-}
-
-#define __HAVE_ARCH_MEMSET
-extern void *memset(void *__s, int __c, size_t __count);
-
-#define __HAVE_ARCH_MEMCPY
-extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
-
-#define __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
-#define memscan memchr
-
-#endif /* _XTENSA_STRING_H */