ArmPkg: remove BaseMemoryLibStm

[mirror_edk2.git] / ArmPkg / Library / BaseMemoryLibStm / AArch64 / CopyMem.c

diff --git a/ArmPkg/Library/BaseMemoryLibStm/AArch64/CopyMem.c b/ArmPkg/Library/BaseMemoryLibStm/AArch64/CopyMem.c
deleted file mode 100644 (file)
index 71ae02a..0000000
--- a/ArmPkg/Library/BaseMemoryLibStm/AArch64/CopyMem.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/** @file\r
-\r
-  Copyright (c) 2012-2013, ARM Ltd. All rights reserved.<BR>\r
-\r
-  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
-\r
-**/\r
-\r
-#include "MemLibInternals.h"\r
-\r
-/**\r
-  Copy Length bytes from Source to Destination.\r
-\r
-  @param  DestinationBuffer Target of copy\r
-  @param  SourceBuffer      Place to copy from\r
-  @param  Length            Number of bytes to copy\r
-\r
-  @return Destination\r
-\r
-**/\r
-VOID *\r
-EFIAPI\r
-InternalMemCopyMem (\r
-  OUT     VOID                      *DestinationBuffer,\r
-  IN      CONST VOID                *SourceBuffer,\r
-  IN      UINTN                     Length\r
-  )\r
-{\r
-  //\r
-  // Declare the local variables that actually move the data elements as\r
-  // volatile to prevent the optimizer from replacing this function with\r
-  // the intrinsic memcpy()\r
-  //\r
-  volatile UINT8                    *Destination8;\r
-  CONST UINT8                       *Source8;\r
-  volatile UINT32                   *Destination32;\r
-  CONST UINT32                      *Source32;\r
-  volatile UINT64                   *Destination64;\r
-  CONST UINT64                      *Source64;\r
-  UINTN                             Alignment;\r
-\r
-  if ((((UINTN)DestinationBuffer & 0x7) == 0) && (((UINTN)SourceBuffer & 0x7) == 0) && (Length >= 8)) {\r
-    if (SourceBuffer > DestinationBuffer) {\r
-      Destination64 = (UINT64*)DestinationBuffer;\r
-      Source64 = (CONST UINT64*)SourceBuffer;\r
-      while (Length >= 8) {\r
-        *(Destination64++) = *(Source64++);\r
-        Length -= 8;\r
-      }\r
-\r
-      // Finish if there are still some bytes to copy\r
-      Destination8 = (UINT8*)Destination64;\r
-      Source8 = (CONST UINT8*)Source64;\r
-      while (Length-- != 0) {\r
-        *(Destination8++) = *(Source8++);\r
-      }\r
-    } else if (SourceBuffer < DestinationBuffer) {\r
-      Destination64 = (UINT64*)((UINTN)DestinationBuffer + Length);\r
-      Source64 = (CONST UINT64*)((UINTN)SourceBuffer + Length);\r
-\r
-      // Destination64 and Source64 were aligned on a 64-bit boundary\r
-      // but if length is not a multiple of 8 bytes then they won't be\r
-      // anymore.\r
-\r
-      Alignment = Length & 0x7;\r
-      if (Alignment != 0) {\r
-        Destination8 = (UINT8*)Destination64;\r
-        Source8 = (CONST UINT8*)Source64;\r
-\r
-        while (Alignment-- != 0) {\r
-          *(--Destination8) = *(--Source8);\r
-          --Length;\r
-        }\r
-        Destination64 = (UINT64*)Destination8;\r
-        Source64 = (CONST UINT64*)Source8;\r
-      }\r
-\r
-      while (Length > 0) {\r
-        *(--Destination64) = *(--Source64);\r
-        Length -= 8;\r
-      }\r
-    }\r
-  } else if ((((UINTN)DestinationBuffer & 0x3) == 0) && (((UINTN)SourceBuffer & 0x3) == 0) && (Length >= 4)) {\r
-    if (SourceBuffer > DestinationBuffer) {\r
-      Destination32 = (UINT32*)DestinationBuffer;\r
-      Source32 = (CONST UINT32*)SourceBuffer;\r
-      while (Length >= 4) {\r
-        *(Destination32++) = *(Source32++);\r
-        Length -= 4;\r
-      }\r
-\r
-      // Finish if there are still some bytes to copy\r
-      Destination8 = (UINT8*)Destination32;\r
-      Source8 = (CONST UINT8*)Source32;\r
-      while (Length-- != 0) {\r
-        *(Destination8++) = *(Source8++);\r
-      }\r
-    } else if (SourceBuffer < DestinationBuffer) {\r
-      Destination32 = (UINT32*)((UINTN)DestinationBuffer + Length);\r
-      Source32 = (CONST UINT32*)((UINTN)SourceBuffer + Length);\r
-\r
-      // Destination32 and Source32 were aligned on a 32-bit boundary\r
-      // but if length is not a multiple of 4 bytes then they won't be\r
-      // anymore.\r
-\r
-      Alignment = Length & 0x3;\r
-      if (Alignment != 0) {\r
-        Destination8 = (UINT8*)Destination32;\r
-        Source8 = (CONST UINT8*)Source32;\r
-\r
-        while (Alignment-- != 0) {\r
-          *(--Destination8) = *(--Source8);\r
-          --Length;\r
-        }\r
-        Destination32 = (UINT32*)Destination8;\r
-        Source32 = (CONST UINT32*)Source8;\r
-      }\r
-\r
-      while (Length > 0) {\r
-        *(--Destination32) = *(--Source32);\r
-        Length -= 4;\r
-      }\r
-    }\r
-  } else {\r
-    if (SourceBuffer > DestinationBuffer) {\r
-      Destination8 = (UINT8*)DestinationBuffer;\r
-      Source8 = (CONST UINT8*)SourceBuffer;\r
-      while (Length-- != 0) {\r
-        *(Destination8++) = *(Source8++);\r
-      }\r
-    } else if (SourceBuffer < DestinationBuffer) {\r
-      Destination8 = (UINT8*)DestinationBuffer + Length;\r
-      Source8 = (CONST UINT8*)SourceBuffer + Length;\r
-      while (Length-- != 0) {\r
-        *(--Destination8) = *(--Source8);\r
-      }\r
-    }\r
-  }\r
-  return DestinationBuffer;\r
-}\r