xref: /openbmc/linux/arch/sparc/include/asm/string.h (revision 20e2fc42)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef ___ASM_SPARC_STRING_H
3 #define ___ASM_SPARC_STRING_H
4 #if defined(__sparc__) && defined(__arch64__)
5 #include <asm/string_64.h>
6 #else
7 #include <asm/string_32.h>
8 #endif
9 
10 /* First the mem*() things. */
11 #define __HAVE_ARCH_MEMMOVE
12 void *memmove(void *, const void *, __kernel_size_t);
13 
14 #define __HAVE_ARCH_MEMCPY
15 #define memcpy(t, f, n) __builtin_memcpy(t, f, n)
16 
17 #define __HAVE_ARCH_MEMSET
18 #define memset(s, c, count) __builtin_memset(s, c, count)
19 
20 #define __HAVE_ARCH_MEMSCAN
21 
22 #define memscan(__arg0, __char, __arg2)						\
23 ({										\
24 	void *__memscan_zero(void *, size_t);					\
25 	void *__memscan_generic(void *, int, size_t);				\
26 	void *__retval, *__addr = (__arg0);					\
27 	size_t __size = (__arg2);						\
28 										\
29 	if(__builtin_constant_p(__char) && !(__char))				\
30 		__retval = __memscan_zero(__addr, __size);			\
31 	else									\
32 		__retval = __memscan_generic(__addr, (__char), __size);		\
33 										\
34 	__retval;								\
35 })
36 
37 #define __HAVE_ARCH_MEMCMP
38 int memcmp(const void *,const void *,__kernel_size_t);
39 
40 #define __HAVE_ARCH_STRNCMP
41 int strncmp(const char *, const char *, __kernel_size_t);
42 
43 #endif
44