UefiCpuPkg: Move AsmRelocateApLoopStart from Mpfuncs.nasm to AmdSev.nasm

[mirror_edk2.git] / ArmPkg / Library / CompilerIntrinsicsLib / memset.c

// ------------------------------------------------------------------------------\r
//\r
// Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>\r
// Copyright (c) 2021, Arm Limited. All rights reserved.<BR>\r
//\r
// SPDX-License-Identifier: BSD-2-Clause-Patent\r
//\r
// ------------------------------------------------------------------------------\r
\r
typedef __SIZE_TYPE__ size_t;\r
\r
static __attribute__ ((__used__))\r
void *\r
__memset (\r
  void    *s,\r
  int     c,\r
  size_t  n\r
  )\r
{\r
  unsigned char  *d;\r
\r
  d = s;\r
\r
  while (n-- != 0) {\r
    *d++ = c;\r
  }\r
\r
  return s;\r
}\r
\r
//\r
// Other modules (such as CryptoPkg/IntrinsicLib) may provide another\r
// implementation of memset(), which may conflict with this one if this\r
// object was pulled into the link due to the definitions below. So make\r
// our memset() 'weak' to let the other implementation take precedence.\r
//\r
__attribute__ ((__weak__, __alias__ ("__memset")))\r
void *\r
memset (\r
  void    *dest,\r
  int     c,\r
  size_t  n\r
  );\r
\r
#ifdef __arm__\r
\r
void\r
__aeabi_memset (\r
  void    *dest,\r
  size_t  n,\r
  int     c\r
  )\r
{\r
  __memset (dest, c, n);\r
}\r
\r
__attribute__ ((__alias__ ("__aeabi_memset")))\r
void\r
__aeabi_memset4 (\r
  void    *dest,\r
  size_t  n,\r
  int     c\r
  );\r
\r
__attribute__ ((__alias__ ("__aeabi_memset")))\r
void\r
__aeabi_memset8 (\r
  void    *dest,\r
  size_t  n,\r
  int     c\r
  );\r
\r
void\r
__aeabi_memclr (\r
  void    *dest,\r
  size_t  n\r
  )\r
{\r
  __memset (dest, 0, n);\r
}\r
\r
__attribute__ ((__alias__ ("__aeabi_memclr")))\r
void\r
__aeabi_memclr4 (\r
  void    *dest,\r
  size_t  n\r
  );\r
\r
__attribute__ ((__alias__ ("__aeabi_memclr")))\r
void\r
__aeabi_memclr8 (\r
  void    *dest,\r
  size_t  n\r
  );\r
\r
#endif\r