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
  17 extern char * strcpy(char *,const char *);
  18 extern char * strncpy(char *,const char *, __kernel_size_t);
  19 extern __kernel_size_t strlen(const char *);
  20 extern int strcmp(const char *,const char *);
  21 extern int strncmp(const char *, const char *, __kernel_size_t);
  22 extern char * strcat(char *, const char *);
  23 extern void * memset(void *,int,__kernel_size_t);
  24 extern void * memcpy(void *,const void *,__kernel_size_t);
  25 extern void * memmove(void *,const void *,__kernel_size_t);
  26 extern int memcmp(const void *,const void *,__kernel_size_t);
  27 extern void * memchr(const void *,int,__kernel_size_t);
  28 extern 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
  34 extern void *__memset16(uint16_t *, uint16_t v, __kernel_size_t);
  35 extern void *__memset32(uint32_t *, uint32_t v, __kernel_size_t);
  36 extern void *__memset64(uint64_t *, uint64_t v, __kernel_size_t);
  37
  38 static inline void *memset16(uint16_t *p, uint16_t v, __kernel_size_t n)
  39 {
  40         return __memset16(p, v, n * 2);
  41 }
  42
  43 static inline void *memset32(uint32_t *p, uint32_t v, __kernel_size_t n)
  44 {
  45         return __memset32(p, v, n * 4);
  46 }
  47
  48 static inline void *memset64(uint64_t *p, uint64_t v, __kernel_size_t n)
  49 {
  50         return __memset64(p, v, n * 8);
  51 }
  52 #else
  53 extern void *memset16(uint16_t *, uint16_t, __kernel_size_t);
  54 #endif
  55 #endif /* __KERNEL__ */
  56
  57 #endif  /* _ASM_POWERPC_STRING_H */