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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2008-08-01 20:42:05 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-08-01 20:42:05 +0200
commitc6557e7f2b6ae76a44653d38f835174074c42e05 (patch)
treeda619a76b309cb1cd259d082af768a83cfcd6d52 /arch/s390/include/asm/string.h
parentab4227cb2d936886069ef1056c02500d05beb15d (diff)
[S390] move include/asm-s390 to arch/s390/include/asm
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/string.h')
-rw-r--r--arch/s390/include/asm/string.h143
1 files changed, 143 insertions, 0 deletions
diff --git a/arch/s390/include/asm/string.h b/arch/s390/include/asm/string.h
new file mode 100644
index 000000000000..d074673a6d9b
--- /dev/null
+++ b/arch/s390/include/asm/string.h
@@ -0,0 +1,143 @@
+/*
+ * include/asm-s390/string.h
+ *
+ * S390 version
+ * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
+ */
+
+#ifndef _S390_STRING_H_
+#define _S390_STRING_H_
+
+#ifdef __KERNEL__
+
+#ifndef _LINUX_TYPES_H
+#include <linux/types.h>
+#endif
+
+#define __HAVE_ARCH_MEMCHR /* inline & arch function */
+#define __HAVE_ARCH_MEMCMP /* arch function */
+#define __HAVE_ARCH_MEMCPY /* gcc builtin & arch function */
+#define __HAVE_ARCH_MEMSCAN /* inline & arch function */
+#define __HAVE_ARCH_MEMSET /* gcc builtin & arch function */
+#define __HAVE_ARCH_STRCAT /* inline & arch function */
+#define __HAVE_ARCH_STRCMP /* arch function */
+#define __HAVE_ARCH_STRCPY /* inline & arch function */
+#define __HAVE_ARCH_STRLCAT /* arch function */
+#define __HAVE_ARCH_STRLCPY /* arch function */
+#define __HAVE_ARCH_STRLEN /* inline & arch function */
+#define __HAVE_ARCH_STRNCAT /* arch function */
+#define __HAVE_ARCH_STRNCPY /* arch function */
+#define __HAVE_ARCH_STRNLEN /* inline & arch function */
+#define __HAVE_ARCH_STRRCHR /* arch function */
+#define __HAVE_ARCH_STRSTR /* arch function */
+
+/* Prototypes for non-inlined arch strings functions. */
+extern int memcmp(const void *, const void *, size_t);
+extern void *memcpy(void *, const void *, size_t);
+extern void *memset(void *, int, size_t);
+extern int strcmp(const char *,const char *);
+extern size_t strlcat(char *, const char *, size_t);
+extern size_t strlcpy(char *, const char *, size_t);
+extern char *strncat(char *, const char *, size_t);
+extern char *strncpy(char *, const char *, size_t);
+extern char *strrchr(const char *, int);
+extern char *strstr(const char *, const char *);
+
+#undef __HAVE_ARCH_MEMMOVE
+#undef __HAVE_ARCH_STRCHR
+#undef __HAVE_ARCH_STRNCHR
+#undef __HAVE_ARCH_STRNCMP
+#undef __HAVE_ARCH_STRNICMP
+#undef __HAVE_ARCH_STRPBRK
+#undef __HAVE_ARCH_STRSEP
+#undef __HAVE_ARCH_STRSPN
+
+#if !defined(IN_ARCH_STRING_C)
+
+static inline void *memchr(const void * s, int c, size_t n)
+{
+ register int r0 asm("0") = (char) c;
+ const void *ret = s + n;
+
+ asm volatile(
+ "0: srst %0,%1\n"
+ " jo 0b\n"
+ " jl 1f\n"
+ " la %0,0\n"
+ "1:"
+ : "+a" (ret), "+&a" (s) : "d" (r0) : "cc");
+ return (void *) ret;
+}
+
+static inline void *memscan(void *s, int c, size_t n)
+{
+ register int r0 asm("0") = (char) c;
+ const void *ret = s + n;
+
+ asm volatile(
+ "0: srst %0,%1\n"
+ " jo 0b\n"
+ : "+a" (ret), "+&a" (s) : "d" (r0) : "cc");
+ return (void *) ret;
+}
+
+static inline char *strcat(char *dst, const char *src)
+{
+ register int r0 asm("0") = 0;
+ unsigned long dummy;
+ char *ret = dst;
+
+ asm volatile(
+ "0: srst %0,%1\n"
+ " jo 0b\n"
+ "1: mvst %0,%2\n"
+ " jo 1b"
+ : "=&a" (dummy), "+a" (dst), "+a" (src)
+ : "d" (r0), "0" (0) : "cc", "memory" );
+ return ret;
+}
+
+static inline char *strcpy(char *dst, const char *src)
+{
+ register int r0 asm("0") = 0;
+ char *ret = dst;
+
+ asm volatile(
+ "0: mvst %0,%1\n"
+ " jo 0b"
+ : "+&a" (dst), "+&a" (src) : "d" (r0)
+ : "cc", "memory");
+ return ret;
+}
+
+static inline size_t strlen(const char *s)
+{
+ register unsigned long r0 asm("0") = 0;
+ const char *tmp = s;
+
+ asm volatile(
+ "0: srst %0,%1\n"
+ " jo 0b"
+ : "+d" (r0), "+a" (tmp) : : "cc");
+ return r0 - (unsigned long) s;
+}
+
+static inline size_t strnlen(const char * s, size_t n)
+{
+ register int r0 asm("0") = 0;
+ const char *tmp = s;
+ const char *end = s + n;
+
+ asm volatile(
+ "0: srst %0,%1\n"
+ " jo 0b"
+ : "+a" (end), "+a" (tmp) : "d" (r0) : "cc");
+ return end - s;
+}
+
+#endif /* !IN_ARCH_STRING_C */
+
+#endif /* __KERNEL__ */
+
+#endif /* __S390_STRING_H_ */

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