Add in the 1st version of ECP.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2832 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
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/*++
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Copyright (c) 2004, Intel Corporation
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All rights reserved. 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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Module Name:
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Io.c
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Abstract:
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Light weight lib functions that wrape IoRead (), IoWrite, MemRead (),
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and MemWrite ().
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--*/
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#include "Tiano.h"
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#include "EfiRuntimeLib.h"
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UINT8
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IoRead8 (
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IN UINT64 Address
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)
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/*++
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Routine Description:
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Do a one byte IO read
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Arguments:
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Address - IO address to read
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Returns:
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Data read
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--*/
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{
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UINT8 Buffer;
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EfiIoRead (EfiCpuIoWidthUint8, Address, 1, &Buffer);
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return Buffer;
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}
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UINT16
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IoRead16 (
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IN UINT64 Address
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)
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/*++
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Routine Description:
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Do a two byte IO read
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Arguments:
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Address - IO address to read
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Returns:
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Data read
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--*/
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{
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UINT16 Buffer;
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EfiIoRead (EfiCpuIoWidthUint16, Address, 1, &Buffer);
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return Buffer;
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}
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UINT32
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IoRead32 (
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IN UINT64 Address
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)
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/*++
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Routine Description:
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Do a four byte IO read
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Arguments:
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Address - IO address to read
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Returns:
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Data read
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--*/
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{
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UINT32 Buffer;
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EfiIoRead (EfiCpuIoWidthUint32, Address, 1, &Buffer);
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return Buffer;
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}
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VOID
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IoWrite8 (
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IN UINT64 Address,
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IN UINT8 Data
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)
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/*++
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Routine Description:
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Do a one byte IO write
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Arguments:
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Address - IO address to write
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Data - Data to write to Address
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Returns:
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NONE
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--*/
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{
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EfiIoWrite (EfiCpuIoWidthUint8, Address, 1, &Data);
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}
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VOID
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IoWrite16 (
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IN UINT64 Address,
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IN UINT16 Data
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)
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/*++
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Routine Description:
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Do a two byte IO write
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Arguments:
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Address - IO address to write
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Data - Data to write to Address
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Returns:
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NONE
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--*/
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{
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EfiIoWrite (EfiCpuIoWidthUint16, Address, 1, &Data);
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}
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VOID
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IoWrite32 (
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IN UINT64 Address,
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IN UINT32 Data
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)
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/*++
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Routine Description:
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Do a four byte IO write
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Arguments:
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Address - IO address to write
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Data - Data to write to Address
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Returns:
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NONE
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--*/
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{
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EfiIoWrite (EfiCpuIoWidthUint32, Address, 1, &Data);
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}
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UINT8
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MemRead8 (
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IN UINT64 Address
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)
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/*++
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Routine Description:
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Do a one byte Memory mapped IO read
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Arguments:
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Address - Memory mapped IO address to read
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Returns:
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Data read
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--*/
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{
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UINT8 Buffer;
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EfiMemRead (EfiCpuIoWidthUint8, Address, 1, &Buffer);
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return Buffer;
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}
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UINT16
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MemRead16 (
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IN UINT64 Address
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)
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/*++
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Routine Description:
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Do a two byte Memory mapped IO read
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Arguments:
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Address - Memory mapped IO address to read
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Returns:
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Data read
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--*/
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{
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UINT16 Buffer;
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EfiMemRead (EfiCpuIoWidthUint16, Address, 1, &Buffer);
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return Buffer;
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}
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UINT32
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MemRead32 (
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IN UINT64 Address
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)
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/*++
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Routine Description:
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Do a four byte Memory mapped IO read
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Arguments:
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Address - Memory mapped IO address to read
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Returns:
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Data read
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--*/
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{
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UINT32 Buffer;
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EfiMemRead (EfiCpuIoWidthUint32, Address, 1, &Buffer);
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return Buffer;
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}
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UINT64
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MemRead64 (
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IN UINT64 Address
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)
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/*++
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Routine Description:
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Do a eight byte Memory mapped IO read
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Arguments:
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Address - Memory mapped IO address to read
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Returns:
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Data read
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--*/
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{
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UINT64 Buffer;
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EfiMemRead (EfiCpuIoWidthUint64, Address, 1, &Buffer);
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return Buffer;
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}
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VOID
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MemWrite8 (
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IN UINT64 Address,
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IN UINT8 Data
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)
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/*++
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Routine Description:
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Do a one byte Memory mapped IO write
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Arguments:
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Address - Memory mapped IO address to write
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Data - Data to write to Address
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Returns:
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NONE
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--*/
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{
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EfiMemWrite (EfiCpuIoWidthUint8, Address, 1, &Data);
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}
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VOID
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MemWrite16 (
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IN UINT64 Address,
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IN UINT16 Data
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)
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/*++
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Routine Description:
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Do a two byte Memory mapped IO write
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Arguments:
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Address - Memory mapped IO address to write
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Data - Data to write to Address
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Returns:
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NONE
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--*/
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{
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EfiMemWrite (EfiCpuIoWidthUint16, Address, 1, &Data);
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}
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VOID
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MemWrite32 (
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IN UINT64 Address,
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IN UINT32 Data
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)
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/*++
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Routine Description:
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Do a four byte Memory mapped IO write
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Arguments:
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Address - Memory mapped IO address to write
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Data - Data to write to Address
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Returns:
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NONE
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--*/
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{
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EfiMemWrite (EfiCpuIoWidthUint32, Address, 1, &Data);
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}
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VOID
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MemWrite64 (
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IN UINT64 Address,
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IN UINT64 Data
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)
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/*++
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Routine Description:
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Do a eight byte Memory mapped IO write
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Arguments:
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Address - Memory mapped IO address to write
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Data - Data to write to Address
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Returns:
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NONE
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--*/
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{
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EfiMemWrite (EfiCpuIoWidthUint64, Address, 1, &Data);
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}
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