Initial import.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524

Tools/Source/TianoTools/Common/PeiLib/PeiLib.c

@@ -0,0 +1,169 @@
+/*++
+
+Copyright (c) 2004, Intel Corporation                                                         
+All rights reserved. This program and the accompanying materials                          
+are licensed and made available under the terms and conditions of the BSD License         
+which accompanies this distribution.  The full text of the license may be found at        
+http://opensource.org/licenses/bsd-license.php                                            
+                                                                                          
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
+
+Module Name:
+
+  PeiLib.c
+
+Abstract:
+
+  PEI Library Functions
+ 
+--*/
+
+#include "TianoCommon.h"
+#include "PeiHob.h"
+#include "Pei.h"
+
+VOID
+PeiCopyMem (
+  IN VOID   *Destination,
+  IN VOID   *Source,
+  IN UINTN  Length
+  );
+
+VOID
+ZeroMem (
+  IN VOID   *Buffer,
+  IN UINTN  Size
+  )
+/*++
+
+Routine Description:
+
+  Set Buffer to zero for Size bytes.
+
+Arguments:
+
+  Buffer  - Memory to set.
+
+  Size    - Number of bytes to set
+
+Returns:
+
+  None
+
+--*/
+{
+  INT8  *Ptr;
+
+  Ptr = Buffer;
+  while (Size--) {
+    *(Ptr++) = 0;
+  }
+}
+
+VOID
+PeiCopyMem (
+  IN VOID   *Destination,
+  IN VOID   *Source,
+  IN UINTN  Length
+  )
+/*++
+
+Routine Description:
+
+  Copy Length bytes from Source to Destination.
+
+Arguments:
+
+  Destination - Target of copy
+
+  Source      - Place to copy from
+
+  Length      - Number of bytes to copy
+
+Returns:
+
+  None
+
+--*/
+{
+  CHAR8 *Destination8;
+  CHAR8 *Source8;
+
+  Destination8  = Destination;
+  Source8       = Source;
+  while (Length--) {
+    *(Destination8++) = *(Source8++);
+  }
+}
+
+VOID
+CopyMem (
+  IN VOID   *Destination,
+  IN VOID   *Source,
+  IN UINTN  Length
+  )
+/*++
+
+Routine Description:
+
+  Copy Length bytes from Source to Destination.
+
+Arguments:
+
+  Destination - Target of copy
+
+  Source      - Place to copy from
+
+  Length      - Number of bytes to copy
+
+Returns:
+
+  None
+
+--*/
+{
+  CHAR8 *Destination8;
+  CHAR8 *Source8;
+
+  Destination8  = Destination;
+  Source8       = Source;
+  while (Length--) {
+    *(Destination8++) = *(Source8++);
+  }
+}
+
+BOOLEAN
+CompareGuid (
+  IN EFI_GUID     *Guid1,
+  IN EFI_GUID     *Guid2
+  )
+/*++
+
+Routine Description:
+
+  Compares two GUIDs
+
+Arguments:
+
+  Guid1 - guid to compare
+  Guid2 - guid to compare
+
+Returns:
+  = TRUE  if Guid1 == Guid2
+  = FALSE if Guid1 != Guid2 
+
+--*/
+{
+  if ((((INT32 *) Guid1)[0] - ((INT32 *) Guid2)[0]) == 0) {
+    if ((((INT32 *) Guid1)[1] - ((INT32 *) Guid2)[1]) == 0) {
+      if ((((INT32 *) Guid1)[2] - ((INT32 *) Guid2)[2]) == 0) {
+        if ((((INT32 *) Guid1)[3] - ((INT32 *) Guid2)[3]) == 0) {
+          return TRUE;
+        }
+      }
+    }
+  }
+
+  return FALSE;
+}