-/*
- * string.h: External definitions for optimized assembly string
- * routines for the Linux Kernel.
- *
- * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu)
- * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- */
-
-#ifndef __SPARC_STRING_H__
-#define __SPARC_STRING_H__
-
-#include <asm/page.h>
-
-/* Really, userland/ksyms should not see any of this stuff. */
-
-#ifdef __KERNEL__
-
-extern void __memmove(void *,const void *,__kernel_size_t);
-extern __kernel_size_t __memcpy(void *,const void *,__kernel_size_t);
-extern __kernel_size_t __memset(void *,int,__kernel_size_t);
-
-#ifndef EXPORT_SYMTAB_STROPS
-
-/* First the mem*() things. */
-#define __HAVE_ARCH_MEMMOVE
-#undef memmove
-#define memmove(_to, _from, _n) \
-({ \
- void *_t = (_to); \
- __memmove(_t, (_from), (_n)); \
- _t; \
-})
-
-#define __HAVE_ARCH_MEMCPY
-
-static inline void *__constant_memcpy(void *to, const void *from, __kernel_size_t n)
-{
- extern void __copy_1page(void *, const void *);
-
- if(n <= 32) {
- __builtin_memcpy(to, from, n);
- } else if (((unsigned int) to & 7) != 0) {
- /* Destination is not aligned on the double-word boundary */
- __memcpy(to, from, n);
- } else {
- switch(n) {
- case PAGE_SIZE:
- __copy_1page(to, from);
- break;
- default:
- __memcpy(to, from, n);
- break;
- }
- }
- return to;
-}
-
-static inline void *__nonconstant_memcpy(void *to, const void *from, __kernel_size_t n)
-{
- __memcpy(to, from, n);
- return to;
-}
-
-#undef memcpy
-#define memcpy(t, f, n) \
-(__builtin_constant_p(n) ? \
- __constant_memcpy((t),(f),(n)) : \
- __nonconstant_memcpy((t),(f),(n)))
-
-#define __HAVE_ARCH_MEMSET
-
-static inline void *__constant_c_and_count_memset(void *s, char c, __kernel_size_t count)
-{
- extern void bzero_1page(void *);
- extern __kernel_size_t __bzero(void *, __kernel_size_t);
-
- if(!c) {
- if(count == PAGE_SIZE)
- bzero_1page(s);
- else
- __bzero(s, count);
- } else {
- __memset(s, c, count);
- }
- return s;
-}
-
-static inline void *__constant_c_memset(void *s, char c, __kernel_size_t count)
-{
- extern __kernel_size_t __bzero(void *, __kernel_size_t);
-
- if(!c)
- __bzero(s, count);
- else
- __memset(s, c, count);
- return s;
-}
-
-static inline void *__nonconstant_memset(void *s, char c, __kernel_size_t count)
-{
- __memset(s, c, count);
- return s;
-}
-
-#undef memset
-#define memset(s, c, count) \
-(__builtin_constant_p(c) ? (__builtin_constant_p(count) ? \
- __constant_c_and_count_memset((s), (c), (count)) : \
- __constant_c_memset((s), (c), (count))) \
- : __nonconstant_memset((s), (c), (count)))
-
-#define __HAVE_ARCH_MEMSCAN
-
-#undef memscan
-#define memscan(__arg0, __char, __arg2) \
-({ \
- extern void *__memscan_zero(void *, size_t); \
- extern void *__memscan_generic(void *, int, size_t); \
- void *__retval, *__addr = (__arg0); \
- size_t __size = (__arg2); \
- \
- if(__builtin_constant_p(__char) && !(__char)) \
- __retval = __memscan_zero(__addr, __size); \
- else \
- __retval = __memscan_generic(__addr, (__char), __size); \
- \
- __retval; \
-})
-
-#define __HAVE_ARCH_MEMCMP
-extern int memcmp(const void *,const void *,__kernel_size_t);
-
-/* Now the str*() stuff... */
-#define __HAVE_ARCH_STRLEN
-extern __kernel_size_t strlen(const char *);
-
-#define __HAVE_ARCH_STRNCMP
-
-extern int __strncmp(const char *, const char *, __kernel_size_t);
-
-static inline int __constant_strncmp(const char *src, const char *dest, __kernel_size_t count)
-{
- register int retval;
- switch(count) {
- case 0: return 0;
- case 1: return (src[0] - dest[0]);
- case 2: retval = (src[0] - dest[0]);
- if(!retval && src[0])
- retval = (src[1] - dest[1]);
- return retval;
- case 3: retval = (src[0] - dest[0]);
- if(!retval && src[0]) {
- retval = (src[1] - dest[1]);
- if(!retval && src[1])
- retval = (src[2] - dest[2]);
- }
- return retval;
- case 4: retval = (src[0] - dest[0]);
- if(!retval && src[0]) {
- retval = (src[1] - dest[1]);
- if(!retval && src[1]) {
- retval = (src[2] - dest[2]);
- if (!retval && src[2])
- retval = (src[3] - dest[3]);
- }
- }
- return retval;
- case 5: retval = (src[0] - dest[0]);
- if(!retval && src[0]) {
- retval = (src[1] - dest[1]);
- if(!retval && src[1]) {
- retval = (src[2] - dest[2]);
- if (!retval && src[2]) {
- retval = (src[3] - dest[3]);
- if (!retval && src[3])
- retval = (src[4] - dest[4]);
- }
- }
- }
- return retval;
- default:
- retval = (src[0] - dest[0]);
- if(!retval && src[0]) {
- retval = (src[1] - dest[1]);
- if(!retval && src[1]) {
- retval = (src[2] - dest[2]);
- if(!retval && src[2])
- retval = __strncmp(src+3,dest+3,count-3);
- }
- }
- return retval;
- }
-}
-
-#undef strncmp
-#define strncmp(__arg0, __arg1, __arg2) \
-(__builtin_constant_p(__arg2) ? \
- __constant_strncmp(__arg0, __arg1, __arg2) : \
- __strncmp(__arg0, __arg1, __arg2))
-
-#endif /* !EXPORT_SYMTAB_STROPS */
-
-#endif /* __KERNEL__ */
-
-#endif /* !(__SPARC_STRING_H__) */
+#ifndef ___ASM_SPARC_STRING_H
+#define ___ASM_SPARC_STRING_H
+#if defined(__sparc__) && defined(__arch64__)
+#include <asm-sparc/string_64.h>
+#else
+#include <asm-sparc/string_32.h>
+#endif
+#endif
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blobdiff