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1 | /** @file\r |
2 | Debug Port Library implementation based on usb3 debug port.\r | |
3 | \r | |
4 | Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>\r | |
5 | This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php.\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include <Base.h>\r | |
16 | #include <PiDxe.h>\r | |
17 | #include <Library/UefiBootServicesTableLib.h>\r | |
18 | #include "DebugCommunicationLibUsb3Internal.h"\r | |
19 | \r | |
20 | /**\r | |
21 | Allocate aligned memory for XHC's usage.\r | |
22 | \r | |
23 | @param BufferSize The size, in bytes, of the Buffer.\r | |
24 | \r | |
25 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
26 | \r | |
27 | **/\r | |
28 | VOID*\r | |
29 | AllocateAlignBuffer (\r | |
30 | IN UINTN BufferSize\r | |
31 | )\r | |
32 | {\r | |
33 | VOID *Buf;\r | |
34 | \r | |
35 | Buf = NULL;\r | |
36 | \r | |
37 | if (gBS != NULL) {\r | |
38 | Buf = (VOID *)(UINTN)0xFFFFFFFF;\r | |
39 | gBS->AllocatePages (\r | |
40 | AllocateMaxAddress,\r | |
41 | EfiACPIMemoryNVS,\r | |
42 | EFI_SIZE_TO_PAGES (BufferSize),\r | |
43 | (EFI_PHYSICAL_ADDRESS *) &Buf\r | |
44 | );\r | |
45 | }\r | |
46 | \r | |
47 | return Buf;\r | |
48 | }\r |