Add .S file for GCC tool-chain for EfiRuntimeLib.

[mirror_edk2.git] / EdkCompatibilityPkg / Foundation / Library / RuntimeDxe / EfiRuntimeLib / ia32 / CpuFlushCache.c

/*++\r
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Copyright (c) 2008, Intel Corporation                                                         \r
All rights reserved. This program and the accompanying materials                          \r
are licensed and made available under the terms and conditions of the BSD License         \r
which accompanies this distribution.  The full text of the license may be found at        \r
http://opensource.org/licenses/bsd-license.php                                            \r
                                                                                          \r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
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Module Name:\r
\r
    CpuFlushCache.c\r
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Abstract:\r
\r
 Cpu Flush Cache Function.\r
\r
--*/\r
#include "Tiano.h"\r
#include "EfiRuntimeLib.h"\r
\r
//\r
// Cache Flush Routine.\r
//\r
EFI_STATUS\r
EfiCpuFlushCache (\r
  IN EFI_PHYSICAL_ADDRESS          Start,\r
  IN UINT64                        Length\r
  )\r
/*++\r
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Routine Description:\r
\r
  Flush cache with specified range.\r
\r
Arguments:\r
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  Start   - Start address\r
  Length  - Length in bytes\r
\r
Returns:\r
\r
  Status code\r
  \r
  EFI_SUCCESS - success\r
\r
--*/\r
{\r
  __asm {\r
    wbinvd\r
  }\r
  return EFI_SUCCESS;\r
}\r