diff options
Diffstat (limited to 'EdkCompatibilityPkg/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Io.c')
-rw-r--r-- | EdkCompatibilityPkg/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Io.c | 339 |
1 files changed, 339 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Io.c b/EdkCompatibilityPkg/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Io.c new file mode 100644 index 0000000000..b7571b4c15 --- /dev/null +++ b/EdkCompatibilityPkg/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Io.c @@ -0,0 +1,339 @@ +/*++
+
+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);
+}
+
+UINT8
+MemRead8 (
+ IN UINT64 Address
+ )
+/*++
+
+Routine Description:
+ Do a one byte Memory mapped IO read
+
+Arguments:
+ Address - Memory mapped IO address to read
+
+Returns:
+ Data read
+
+--*/
+{
+ UINT8 Buffer;
+
+ EfiMemRead (EfiCpuIoWidthUint8, Address, 1, &Buffer);
+ return Buffer;
+}
+
+UINT16
+MemRead16 (
+ IN UINT64 Address
+ )
+/*++
+
+Routine Description:
+ Do a two byte Memory mapped IO read
+
+Arguments:
+ Address - Memory mapped IO address to read
+
+Returns:
+ Data read
+
+--*/
+{
+ UINT16 Buffer;
+
+ EfiMemRead (EfiCpuIoWidthUint16, Address, 1, &Buffer);
+ return Buffer;
+}
+
+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
+MemWrite8 (
+ IN UINT64 Address,
+ IN UINT8 Data
+ )
+/*++
+
+Routine Description:
+ Do a one byte Memory mapped IO write
+
+Arguments:
+ Address - Memory mapped IO address to write
+ Data - Data to write to Address
+
+Returns:
+ NONE
+
+--*/
+{
+ EfiMemWrite (EfiCpuIoWidthUint8, Address, 1, &Data);
+}
+
+VOID
+MemWrite16 (
+ IN UINT64 Address,
+ IN UINT16 Data
+ )
+/*++
+
+Routine Description:
+ Do a two byte Memory mapped IO write
+
+Arguments:
+ Address - Memory mapped IO address to write
+ Data - Data to write to Address
+
+Returns:
+ NONE
+
+--*/
+{
+ EfiMemWrite (EfiCpuIoWidthUint16, Address, 1, &Data);
+}
+
+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);
+}
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