1 files changed, 249 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Io.c b/EDK/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Io.c
new file mode 100644
index 0000000..a32f18a
--- /dev/null
+++ b/EDK/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Io.c
@@ -0,0 +1,249 @@
+/*++
+
+Copyright (c) 2004, Intel Corporation                                                         
+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.             
+
+Module Name:
+
+  Io.c
+
+Abstract:
+
+  Light weight lib functions that wrape IoRead (), IoWrite, MemRead (), 
+  and MemWrite ().
+
+--*/
+
+#include "Tiano.h"
+#include "EfiRuntimeLib.h"
+
+UINT8
+IoRead8 (
+  IN  UINT64    Address
+  )
+/*++
+
+Routine Description:
+  Do a one byte IO read
+
+Arguments:
+  Address - IO address to read
+
+Returns: 
+  Data read
+
+--*/
+{
+  UINT8 Buffer;
+
+  EfiIoRead (EfiCpuIoWidthUint8, Address, 1, &Buffer);
+  return Buffer;
+}
+
+UINT16
+IoRead16 (
+  IN  UINT64    Address
+  )
+/*++
+
+Routine Description:
+  Do a two byte IO read
+
+Arguments:
+  Address - IO address to read
+
+Returns: 
+  Data read
+
+--*/
+{
+  UINT16  Buffer;
+
+  EfiIoRead (EfiCpuIoWidthUint16, Address, 1, &Buffer);
+  return Buffer;
+}
+
+UINT32
+IoRead32 (
+  IN  UINT64    Address
+  )
+/*++
+
+Routine Description:
+  Do a four byte IO read
+
+Arguments:
+  Address - IO address to read
+
+Returns: 
+  Data read
+
+--*/
+{
+  UINT32  Buffer;
+
+  EfiIoRead (EfiCpuIoWidthUint32, Address, 1, &Buffer);
+  return Buffer;
+}
+
+VOID
+IoWrite8 (
+  IN  UINT64    Address,
+  IN  UINT8     Data
+  )
+/*++
+
+Routine Description:
+  Do a one byte IO write
+
+Arguments:
+  Address - IO address to write
+  Data    - Data to write to Address
+
+Returns: 
+  NONE
+
+--*/
+{
+  EfiIoWrite (EfiCpuIoWidthUint8, Address, 1, &Data);
+}
+
+VOID
+IoWrite16 (
+  IN  UINT64    Address,
+  IN  UINT16    Data
+  )
+/*++
+
+Routine Description:
+  Do a two byte IO write
+
+Arguments:
+  Address - IO address to write
+  Data    - Data to write to Address
+
+Returns: 
+  NONE
+
+--*/
+{
+  EfiIoWrite (EfiCpuIoWidthUint16, Address, 1, &Data);
+}
+
+VOID
+IoWrite32 (
+  IN  UINT64    Address,
+  IN  UINT32    Data
+  )
+/*++
+
+Routine Description:
+  Do a four byte IO write
+
+Arguments:
+  Address - IO address to write
+  Data    - Data to write to Address
+
+Returns: 
+  NONE
+
+--*/
+{
+  EfiIoWrite (EfiCpuIoWidthUint32, Address, 1, &Data);
+}
+
+UINT32
+MemRead32 (
+  IN  UINT64    Address
+  )
+/*++
+
+Routine Description:
+  Do a four byte Memory mapped IO read
+
+Arguments:
+  Address - Memory mapped IO address to read
+
+Returns: 
+  Data read
+
+--*/
+{
+  UINT32  Buffer;
+
+  EfiMemRead (EfiCpuIoWidthUint32, Address, 1, &Buffer);
+  return Buffer;
+}
+
+UINT64
+MemRead64 (
+  IN  UINT64    Address
+  )
+/*++
+
+Routine Description:
+  Do a eight byte Memory mapped IO read
+
+Arguments:
+  Address - Memory mapped IO address to read
+
+Returns: 
+  Data read
+
+--*/
+{
+  UINT64  Buffer;
+
+  EfiMemRead (EfiCpuIoWidthUint64, Address, 1, &Buffer);
+  return Buffer;
+}
+
+VOID
+MemWrite32 (
+  IN  UINT64    Address,
+  IN  UINT32    Data
+  )
+/*++
+
+Routine Description:
+  Do a four byte Memory mapped IO write
+
+Arguments:
+  Address - Memory mapped IO address to write
+  Data    - Data to write to Address
+
+Returns: 
+  NONE
+
+--*/
+{
+  EfiMemWrite (EfiCpuIoWidthUint32, Address, 1, &Data);
+}
+
+VOID
+MemWrite64 (
+  IN  UINT64    Address,
+  IN  UINT64    Data
+  )
+/*++
+
+Routine Description:
+  Do a eight byte Memory mapped IO write
+
+Arguments:
+  Address - Memory mapped IO address to write
+  Data    - Data to write to Address
+
+Returns: 
+  NONE
+
+--*/
+{
+  EfiMemWrite (EfiCpuIoWidthUint64, Address, 1, &Data);
+}