95055567a6
Update the local variable type to avoid potential data overflow. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Eric Dong <eric.dong@intel.com> Reviewed-by: Hao Wu <hao.wu@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19734 6f19259b-4bc3-4df7-8a09-765794883524
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/** @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;
|
|
}
|