mirror of https://github.com/acidanthera/audk.git
46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
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/** @file
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Debug Port Library implementation based on usb3 debug port.
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Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <PiPei.h>
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#include <Library/PeiServicesLib.h>
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#include "DebugCommunicationLibUsb3Internal.h"
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/**
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Allocate aligned memory for XHC's usage.
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@param BufferSize The size, in bytes, of the Buffer.
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@return A pointer to the allocated buffer or NULL if allocation fails.
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**/
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VOID*
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AllocateAlignBuffer (
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IN UINTN BufferSize
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)
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{
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VOID *Buf;
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EFI_PHYSICAL_ADDRESS Address;
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EFI_STATUS Status;
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Buf = NULL;
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Status = PeiServicesAllocatePages (EfiACPIMemoryNVS, EFI_SIZE_TO_PAGES (BufferSize), &Address);
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if (EFI_ERROR (Status)) {
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Buf = NULL;
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} else {
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Buf = (VOID *)(UINTN) Address;
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}
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return Buf;
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}
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