1 files changed, 127 insertions, 0 deletions

diff --git a/include/asm-sh/string.h b/include/asm-sh/string.h
new file mode 100644
index 000000000000..3e0cff04caec
--- /dev/null
+++ b/include/asm-sh/string.h
@@ -0,0 +1,127 @@
+#ifndef __ASM_SH_STRING_H
+#define __ASM_SH_STRING_H
+
+/*
+ * Copyright (C) 1999 Niibe Yutaka
+ * But consider these trivial functions to be public domain.
+ */
+
+#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"
+                             "mov.b     @%1+, %2\n\t"
+                             "mov.b     %2, @%0\n\t"
+                             "cmp/eq    #0, %2\n\t"
+                             "bf/s      1b\n\t"
+                             " add      #1, %0\n\t"
+                             : "=r" (__dest), "=r" (__src), "=&z" (__dummy)
+                             : "0" (__dest), "1" (__src)
+                             : "memory", "t");
+
+        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"
+                "mov.b  @%1+, %2\n\t"
+                "mov.b  %2, @%0\n\t"
+                "cmp/eq #0, %2\n\t"
+                "bt/s   2f\n\t"
+                " cmp/eq        %5,%1\n\t"
+                "bf/s   1b\n\t"
+                " add   #1, %0\n"
+                "2:"
+                : "=r" (__dest), "=r" (__src), "=&z" (__dummy)
+                : "0" (__dest), "1" (__src), "r" (__src+__n)
+                : "memory", "t");
+
+        return __xdest;
+}
+
+#define __HAVE_ARCH_STRCMP
+static __inline__ int strcmp(const char *__cs, const char *__ct)
+{
+        register int __res;
+        unsigned long __dummy;
+
+        __asm__ __volatile__(
+                "mov.b  @%1+, %3\n"
+                "1:\n\t"
+                "mov.b  @%0+, %2\n\t"
+                "cmp/eq #0, %3\n\t"
+                "bt     2f\n\t"
+                "cmp/eq %2, %3\n\t"
+                "bt/s   1b\n\t"
+                " mov.b @%1+, %3\n\t"
+                "add    #-2, %1\n\t"
+                "mov.b  @%1, %3\n\t"
+                "sub    %3, %2\n"
+                "2:"
+                : "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
+                : "0" (__cs), "1" (__ct)
+                : "t");
+
+        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;
+
+        if (__n == 0)
+                return 0;
+
+        __asm__ __volatile__(
+                "mov.b  @%1+, %3\n"
+                "1:\n\t"
+                "mov.b  @%0+, %2\n\t"
+                "cmp/eq %6, %0\n\t"
+                "bt/s   2f\n\t"
+                " cmp/eq #0, %3\n\t"
+                "bt/s   3f\n\t"
+                " cmp/eq %3, %2\n\t"
+                "bt/s   1b\n\t"
+                " mov.b @%1+, %3\n\t"
+                "add    #-2, %1\n\t"
+                "mov.b  @%1, %3\n"
+                "2:\n\t"
+                "sub    %3, %2\n"
+                "3:"
+                :"=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
+                : "0" (__cs), "1" (__ct), "r" (__cs+__n)
+                : "t");
+
+        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);
+
+#define __HAVE_ARCH_MEMCHR
+extern void *memchr(const void *__s, int __c, size_t __n);
+
+#define __HAVE_ARCH_STRLEN
+extern size_t strlen(const char *);
+
+#endif /* __ASM_SH_STRING_H */