d5b86e43cf
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3217 6f19259b-4bc3-4df7-8a09-765794883524
70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
/** @file
|
|
Common I/O Library routines.
|
|
|
|
Copyright (c) 2006, Intel Corporation<BR>
|
|
All rights reserved. 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 common header file for this module.
|
|
//
|
|
#include "BaseIoLibIntrinsicInternal.h"
|
|
|
|
/**
|
|
Reads a 64-bit I/O port.
|
|
|
|
Reads the 64-bit I/O port specified by Port. The 64-bit read value is returned.
|
|
This function must guarantee that all I/O read and write operations are
|
|
serialized.
|
|
|
|
If 64-bit I/O port operations are not supported, then ASSERT().
|
|
|
|
@param Port The I/O port to read.
|
|
|
|
@return The value read.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
IoRead64 (
|
|
IN UINTN Port
|
|
)
|
|
{
|
|
ASSERT (FALSE);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
Writes a 64-bit I/O port.
|
|
|
|
Writes the 64-bit I/O port specified by Port with the value specified by Value
|
|
and returns Value. This function must guarantee that all I/O read and write
|
|
operations are serialized.
|
|
|
|
If 64-bit I/O port operations are not supported, then ASSERT().
|
|
|
|
@param Port The I/O port to write.
|
|
@param Value The value to write to the I/O port.
|
|
|
|
@return The value written the I/O port.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
IoWrite64 (
|
|
IN UINTN Port,
|
|
IN UINT64 Value
|
|
)
|
|
{
|
|
ASSERT (FALSE);
|
|
return 0;
|
|
}
|
|
|