LXR linux/arch/powerpc/include/asm/string.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _ASM_POWERPC_STRING_H
   3#define _ASM_POWERPC_STRING_H
   4
   5#ifdef __KERNEL__
   6
   7#define __HAVE_ARCH_STRNCPY
   8#define __HAVE_ARCH_STRNCMP
   9#define __HAVE_ARCH_MEMSET
  10#define __HAVE_ARCH_MEMCPY
  11#define __HAVE_ARCH_MEMMOVE
  12#define __HAVE_ARCH_MEMCMP
  13#define __HAVE_ARCH_MEMCHR
  14#define __HAVE_ARCH_MEMSET16
  15#define __HAVE_ARCH_MEMCPY_FLUSHCACHE
  16
  17extern char * strcpy(char *,const char *);
  18extern char * strncpy(char *,const char *, __kernel_size_t);
  19extern __kernel_size_t strlen(const char *);
  20extern int strcmp(const char *,const char *);
  21extern int strncmp(const char *, const char *, __kernel_size_t);
  22extern char * strcat(char *, const char *);
  23extern void * memset(void *,int,__kernel_size_t);
  24extern void * memcpy(void *,const void *,__kernel_size_t);
  25extern void * memmove(void *,const void *,__kernel_size_t);
  26extern int memcmp(const void *,const void *,__kernel_size_t);
  27extern void * memchr(const void *,int,__kernel_size_t);
  28extern void * memcpy_flushcache(void *,const void *,__kernel_size_t);
  29
  30#ifdef CONFIG_PPC64
  31#define __HAVE_ARCH_MEMSET32
  32#define __HAVE_ARCH_MEMSET64
  33
  34extern void *__memset16(uint16_t *, uint16_t v, __kernel_size_t);
  35extern void *__memset32(uint32_t *, uint32_t v, __kernel_size_t);
  36extern void *__memset64(uint64_t *, uint64_t v, __kernel_size_t);
  37
  38static inline void *memset16(uint16_t *p, uint16_t v, __kernel_size_t n)
  39{
  40        return __memset16(p, v, n * 2);
  41}
  42
  43static inline void *memset32(uint32_t *p, uint32_t v, __kernel_size_t n)
  44{
  45        return __memset32(p, v, n * 4);
  46}
  47
  48static inline void *memset64(uint64_t *p, uint64_t v, __kernel_size_t n)
  49{
  50        return __memset64(p, v, n * 8);
  51}
  52#else
  53extern void *memset16(uint16_t *, uint16_t, __kernel_size_t);
  54#endif
  55#endif /* __KERNEL__ */
  56
  57#endif  /* _ASM_POWERPC_STRING_H */
  58