1f279e7a53
This reverts commit de8373fa07f87ca735139bb86c51e2c29fb1d956. Cc: Ruiyu Ni <ruiyu.ni@intel.com> Cc: Hao Wu <hao.a.wu@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Star Zeng <star.zeng@intel.com> Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com> Reviewed-by: Hao Wu <hao.a.wu@intel.com>
58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/** @file
|
|
Debug Port Library implementation based on usb3 debug port.
|
|
|
|
Copyright (c) 2014 - 2017, 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 <PiPei.h>
|
|
#include <Library/PeiServicesLib.h>
|
|
#include <Ppi/MemoryDiscovered.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
|
|
)
|
|
{
|
|
VOID *Buf;
|
|
EFI_PHYSICAL_ADDRESS Address;
|
|
EFI_STATUS Status;
|
|
VOID *MemoryDiscoveredPpi;
|
|
|
|
Buf = NULL;
|
|
|
|
//
|
|
// Make sure the allocated memory is physical memory.
|
|
//
|
|
Status = PeiServicesLocatePpi (
|
|
&gEfiPeiMemoryDiscoveredPpiGuid,
|
|
0,
|
|
NULL,
|
|
(VOID **) &MemoryDiscoveredPpi
|
|
);
|
|
if (!EFI_ERROR (Status)) {
|
|
Status = PeiServicesAllocatePages (EfiACPIMemoryNVS, EFI_SIZE_TO_PAGES (BufferSize), &Address);
|
|
if (!EFI_ERROR (Status)) {
|
|
Buf = (VOID *)(UINTN) Address;
|
|
}
|
|
}
|
|
return Buf;
|
|
}
|
|
|