1 files changed, 53 insertions, 0 deletions
diff --git a/Core/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Dxe.c b/Core/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Dxe.c
new file mode 100644
index 0000000000..c4a8a47682
--- /dev/null
+++ b/Core/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Dxe.c
@@ -0,0 +1,53 @@
+/** @file
+  Debug Port Library implementation based on usb3 debug port.
+
+  Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>
+  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.
+
+**/
+
+#include <Base.h>
+#include <PiDxe.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include "DebugCommunicationLibUsb3Internal.h"
+
+/**
+  Allocate aligned memory for XHC's usage.
+
+  @param  BufferSize      The size, in bytes, of the Buffer.
+  
+  @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID*
+AllocateAlignBuffer (
+  IN UINTN                    BufferSize
+  )
+{
+  EFI_PHYSICAL_ADDRESS    TmpAddr;
+  EFI_STATUS              Status;
+  VOID                    *Buf;
+  
+  Buf = NULL;
+  
+  if (gBS != NULL) {
+    TmpAddr = 0xFFFFFFFF;
+    Status = gBS->AllocatePages (
+               AllocateMaxAddress,
+               EfiACPIMemoryNVS,
+               EFI_SIZE_TO_PAGES (BufferSize),
+               &TmpAddr
+               );
+    if (!EFI_ERROR (Status)) {
+      Buf = (VOID *) (UINTN) TmpAddr;
+    }
+  }
+
+  return Buf;
+}