Moving DuetPkg/CpuIoDxe to UefiCpuPkg.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7608 6f19259b-4bc3-4df7-8a09-765794883524

3 files changed, 0 insertions, 827 deletions

diff --git a/DuetPkg/CpuIoDxe/CpuIo.c b/DuetPkg/CpuIoDxe/CpuIo.c
deleted file mode 100644
index 729f556e46..0000000000
--- a/DuetPkg/CpuIoDxe/CpuIo.c
+++ /dev/null
@@ -1,531 +0,0 @@
-/*++

-

-Copyright (c) 2004 - 2007, 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:

-  CpuIo.c

-

-Abstract:

-

-  This is the code that publishes the CPU I/O Protocol.

-  The intent herein is to have a single I/O service that can load

-  as early as possible, extend into runtime, and be layered upon by

-  the implementations of architectural protocols and the PCI Root

-  Bridge I/O Protocol.

-

---*/

-

-#include "CpuIo.h"

-

-#define IA32_MAX_IO_ADDRESS   0xFFFF

-

-EFI_CPU_IO_PROTOCOL mCpuIo = {

-  {

-    CpuMemoryServiceRead,

-    CpuMemoryServiceWrite

-  },

-  {

-    CpuIoServiceRead,

-    CpuIoServiceWrite

-  }

-};

-

-EFI_STATUS

-CpuIoMemRW (

-  IN  EFI_CPU_IO_PROTOCOL_WIDTH  Width,

-  IN  UINTN                      Count,

-  IN  BOOLEAN                    DestinationStrideFlag,

-  OUT PTR                        Destination,

-  IN  BOOLEAN                    SourceStrideFlag,

-  IN  PTR                        Source

-  )

-/*++

-

-Routine Description:

-

-  Private service to perform memory mapped I/O read/write

-

-Arguments:

-

-  Width                 - Width of the memory mapped I/O operation

-  Count                 - Count of the number of accesses to perform

-  DestinationStrideFlag - Boolean flag indicates if the destination is to be incremented

-  Destination           - Destination of the memory mapped I/O operation

-  SourceStrideFlag      - Boolean flag indicates if the source is to be incremented

-  Source                - Source of the memory mapped I/O operation

-

-Returns:

-

-  EFI_SUCCESS           - Successful operation

-  EFI_INVALID_PARAMETER - Width is invalid

-

---*/

-{

-  UINTN Stride;

-  UINTN DestinationStride;

-  UINTN SourceStride;

-

-  Width             = (EFI_CPU_IO_PROTOCOL_WIDTH) (Width & 0x03);

-  Stride            = (UINTN)1 << Width;

-  DestinationStride = DestinationStrideFlag ? Stride : 0;

-  SourceStride      = SourceStrideFlag ? Stride : 0;

-

-  //

-  // Loop for each iteration and move the data

-  //

-  switch (Width) {

-  case EfiCpuIoWidthUint8:

-    for (; Count > 0; Count--, Destination.buf += DestinationStride, Source.buf += SourceStride) {

-      MemoryFence();

-      *Destination.ui8 = *Source.ui8;

-      MemoryFence();

-    }

-    break;

-

-  case EfiCpuIoWidthUint16:

-    for (; Count > 0; Count--, Destination.buf += DestinationStride, Source.buf += SourceStride) {

-      MemoryFence ();

-      *Destination.ui16 = *Source.ui16;

-      MemoryFence ();

-    }

-    break;

-

-  case EfiCpuIoWidthUint32:

-    for (; Count > 0; Count--, Destination.buf += DestinationStride, Source.buf += SourceStride) {

-      MemoryFence ();

-      *Destination.ui32 = *Source.ui32;

-      MemoryFence ();

-    }

-    break;

-

-  case EfiCpuIoWidthUint64:

-    for (; Count > 0; Count--, Destination.buf += DestinationStride, Source.buf += SourceStride) {

-      MemoryFence ();

-      *Destination.ui64 = *Source.ui64;

-      MemoryFence ();

-    }

-    break;

-

-  default:

-    return EFI_INVALID_PARAMETER;

-  }

-

-  return EFI_SUCCESS;

-}

-

-EFI_STATUS

-EFIAPI

-CpuMemoryServiceRead (

-  IN  EFI_CPU_IO_PROTOCOL        *This,

-  IN  EFI_CPU_IO_PROTOCOL_WIDTH  Width,

-  IN  UINT64                     Address,

-  IN  UINTN                      Count,

-  OUT VOID                       *Buffer

-  )

-/*++

-

-Routine Description:

-

-  Perform the memory mapped I/O read service

-

-Arguments:

-

-  This    - Pointer to an instance of the CPU I/O Protocol

-  Width   - Width of the memory mapped I/O operation

-  Address - Base address of the memory mapped I/O operation

-  Count   - Count of the number of accesses to perform

-  Buffer  - Pointer to the destination buffer to store the results

-

-Returns:

-

-  EFI_SUCCESS           - The data was read.

-  EFI_INVALID_PARAMETER - Width is invalid.

-  EFI_INVALID_PARAMETER - Buffer is NULL.

-  EFI_UNSUPPORTED       - The Buffer is not aligned for the given Width.

-  EFI_UNSUPPORTED       - The address range specified by Address, Width,

-                          and Count is not valid.

-

---*/

-{

-  PTR        Source;

-  PTR        Destination;

-  EFI_STATUS Status;

-

-  Status = CpuIoCheckParameter (Width, Address, Count, Buffer, MAX_ADDRESS);

-  if (EFI_ERROR (Status)) {

-    return Status;

-  }

-

-  Destination.buf = Buffer;

-  Source.buf      = (VOID *) (UINTN) Address;

-

-  if (Width >= EfiCpuIoWidthUint8 && Width <= EfiCpuIoWidthUint64) {

-    return CpuIoMemRW (Width, Count, TRUE, Destination, TRUE, Source);

-  }

-

-  if (Width >= EfiCpuIoWidthFifoUint8 && Width <= EfiCpuIoWidthFifoUint64) {

-    return CpuIoMemRW (Width, Count, TRUE, Destination, FALSE, Source);

-  }

-

-  if (Width >= EfiCpuIoWidthFillUint8 && Width <= EfiCpuIoWidthFillUint64) {

-    return CpuIoMemRW (Width, Count, FALSE, Destination, TRUE, Source);

-  }

-

-  return EFI_INVALID_PARAMETER;

-}

-

-EFI_STATUS

-EFIAPI

-CpuMemoryServiceWrite (

-  IN EFI_CPU_IO_PROTOCOL        *This,

-  IN EFI_CPU_IO_PROTOCOL_WIDTH  Width,

-  IN UINT64                     Address,

-  IN UINTN                      Count,

-  IN VOID                       *Buffer

-  )

-/*++

-

-Routine Description:

-

-  Perform the memory mapped I/O write service

-

-Arguments:

-

-  This    - Pointer to an instance of the CPU I/O Protocol

-  Width   - Width of the memory mapped I/O operation

-  Address - Base address of the memory mapped I/O operation

-  Count   - Count of the number of accesses to perform

-  Buffer  - Pointer to the source buffer from which to write data

-

-Returns:

-

-  EFI_SUCCESS           - The data was written.

-  EFI_INVALID_PARAMETER - Width is invalid.

-  EFI_INVALID_PARAMETER - Buffer is NULL.

-  EFI_UNSUPPORTED       - The Buffer is not aligned for the given Width.

-  EFI_UNSUPPORTED       - The address range specified by Address, Width,

-                          and Count is not valid.

-

---*/

-{

-  PTR        Source;

-  PTR        Destination;

-  EFI_STATUS Status;

-

-  Status = CpuIoCheckParameter (Width, Address, Count, Buffer, MAX_ADDRESS);

-  if (EFI_ERROR (Status)) {

-    return Status;

-  }

-

-  Destination.buf = (VOID *) (UINTN) Address;

-  Source.buf      = Buffer;

-

-  if (Width >= EfiCpuIoWidthUint8 && Width <= EfiCpuIoWidthUint64) {

-    return CpuIoMemRW (Width, Count, TRUE, Destination, TRUE, Source);

-  }

-

-  if (Width >= EfiCpuIoWidthFifoUint8 && Width <= EfiCpuIoWidthFifoUint64) {

-    return CpuIoMemRW (Width, Count, FALSE, Destination, TRUE, Source);

-  }

-

-  if (Width >= EfiCpuIoWidthFillUint8 && Width <= EfiCpuIoWidthFillUint64) {

-    return CpuIoMemRW (Width, Count, TRUE, Destination, FALSE, Source);

-  }

-

-  return EFI_INVALID_PARAMETER;

-}

-

-EFI_STATUS

-EFIAPI

-CpuIoServiceRead (

-  IN  EFI_CPU_IO_PROTOCOL        *This,

-  IN  EFI_CPU_IO_PROTOCOL_WIDTH  Width,

-  IN  UINT64                     UserAddress,

-  IN  UINTN                      Count,

-  OUT VOID                       *UserBuffer

-  )

-/*++

-

-Routine Description:

-

-  Perform the port I/O read service

-

-Arguments:

-

-  This    - Pointer to an instance of the CPU I/O Protocol

-  Width   - Width of the port I/O operation

-  Address - Base address of the port I/O operation

-  Count   - Count of the number of accesses to perform

-  Buffer  - Pointer to the destination buffer to store the results

-

-Returns:

-

-  EFI_SUCCESS           - The data was read.

-  EFI_INVALID_PARAMETER - Width is invalid.

-  EFI_INVALID_PARAMETER - Buffer is NULL.

-  EFI_UNSUPPORTED       - The Buffer is not aligned for the given Width.

-  EFI_UNSUPPORTED       - The address range specified by Address, Width,

-                          and Count is not valid.

-

---*/

-{

-  UINTN      InStride;

-  UINTN      OutStride;

-  UINTN      Address;

-  PTR        Buffer;

-  EFI_STATUS Status;

-

-  Buffer.buf = (UINT8 *) UserBuffer;

-

-  if (Width >= EfiCpuIoWidthMaximum) {

-    return EFI_INVALID_PARAMETER;

-  }

-

-  Status = CpuIoCheckParameter (Width, UserAddress, Count, UserBuffer, IA32_MAX_IO_ADDRESS);

-  if (EFI_ERROR (Status)) {

-    return Status;

-  }

-

-  Address   = (UINTN) UserAddress;

-  InStride  = (UINTN)1 << (Width & 0x03);

-  OutStride = InStride;

-  if (Width >= EfiCpuIoWidthFifoUint8 && Width <= EfiCpuIoWidthFifoUint64) {

-    InStride = 0;

-  }

-

-  if (Width >= EfiCpuIoWidthFillUint8 && Width <= EfiCpuIoWidthFillUint64) {

-    OutStride = 0;

-  }

-

-  Width = (EFI_CPU_IO_PROTOCOL_WIDTH) (Width & 0x03);

-

-  //

-  // Loop for each iteration and move the data

-  //

-  switch (Width) {

-  case EfiCpuIoWidthUint8:

-    for (; Count > 0; Count--, Buffer.buf += OutStride, Address += InStride) {

-      *Buffer.ui8 = IoRead8 ((UINTN) Address);

-    }

-    break;

-

-  case EfiCpuIoWidthUint16:

-    for (; Count > 0; Count--, Buffer.buf += OutStride, Address += InStride) {

-      *Buffer.ui16 = IoRead16 ((UINTN) Address);

-    }

-    break;

-

-  case EfiCpuIoWidthUint32:

-    for (; Count > 0; Count--, Buffer.buf += OutStride, Address += InStride) {

-      *Buffer.ui32 = IoRead32 ((UINTN) Address);

-    }

-    break;

-

-  default:

-    return EFI_INVALID_PARAMETER;

-  }

-

-  return EFI_SUCCESS;

-}

-

-EFI_STATUS

-EFIAPI

-CpuIoServiceWrite (

-  IN EFI_CPU_IO_PROTOCOL        *This,

-  IN EFI_CPU_IO_PROTOCOL_WIDTH  Width,

-  IN UINT64                     UserAddress,

-  IN UINTN                      Count,

-  IN VOID                       *UserBuffer

-  )

-/*++

-

-Routine Description:

-

-  Perform the port I/O write service

-

-Arguments:

-

-  This    - Pointer to an instance of the CPU I/O Protocol

-  Width   - Width of the port I/O operation

-  Address - Base address of the port I/O operation

-  Count   - Count of the number of accesses to perform

-  Buffer  - Pointer to the source buffer from which to write data

-

-Returns:

-

-  EFI_SUCCESS           - The data was written.

-  EFI_INVALID_PARAMETER - Width is invalid.

-  EFI_INVALID_PARAMETER - Buffer is NULL.

-  EFI_UNSUPPORTED       - The Buffer is not aligned for the given Width.

-  EFI_UNSUPPORTED       - The address range specified by Address, Width,

-                          and Count is not valid.

-

---*/

-{

-  UINTN      InStride;

-  UINTN      OutStride;

-  UINTN      Address;

-  PTR        Buffer;

-  EFI_STATUS Status;

-

-  Buffer.buf = (UINT8 *) UserBuffer;

-

-  if (Width >= EfiCpuIoWidthMaximum) {

-    return EFI_INVALID_PARAMETER;

-  }

-

-  Status = CpuIoCheckParameter (Width, UserAddress, Count, UserBuffer, IA32_MAX_IO_ADDRESS);

-  if (EFI_ERROR (Status)) {

-    return Status;

-  }

-

-  Address   = (UINTN) UserAddress;

-  InStride  = (UINTN)1 << (Width & 0x03);

-  OutStride = InStride;

-  if (Width >= EfiCpuIoWidthFifoUint8 && Width <= EfiCpuIoWidthFifoUint64) {

-    InStride = 0;

-  }

-

-  if (Width >= EfiCpuIoWidthFillUint8 && Width <= EfiCpuIoWidthFillUint64) {

-    OutStride = 0;

-  }

-

-  Width = (EFI_CPU_IO_PROTOCOL_WIDTH) (Width & 0x03);

-

-  //

-  // Loop for each iteration and move the data

-  //

-  switch (Width) {

-  case EfiCpuIoWidthUint8:

-    for (; Count > 0; Count--, Buffer.buf += OutStride, Address += InStride) {

-      IoWrite8 ((UINTN) Address, *Buffer.ui8);

-    }

-    break;

-

-  case EfiCpuIoWidthUint16:

-    for (; Count > 0; Count--, Buffer.buf += OutStride, Address += InStride) {

-      IoWrite16 ((UINTN) Address, *Buffer.ui16);

-    }

-    break;

-

-  case EfiCpuIoWidthUint32:

-    for (; Count > 0; Count--, Buffer.buf += OutStride, Address += InStride) {

-      IoWrite32 ((UINTN) Address, *Buffer.ui32);

-    }

-    break;

-

-  default:

-    return EFI_INVALID_PARAMETER;

-  }

-

-  return EFI_SUCCESS;

-}

-

-EFI_STATUS

-EFIAPI

-CpuIoInitialize (

-  IN EFI_HANDLE        ImageHandle,

-  IN EFI_SYSTEM_TABLE  *SystemTable

-  )

-/*++

-

-Routine Description:

-

-  CpuIo driver entry point.

-

-Arguments:

-

-  ImageHandle - The firmware allocated handle for the EFI image.

-  SystemTable - A pointer to the EFI System Table.

-

-Returns:

-

-  EFI_SUCCESS          - The driver was initialized.

-  EFI_OUT_OF_RESOURCES - The request could not be completed due to a lack of resources.

-

---*/

-{

-  EFI_STATUS Status;

-  EFI_HANDLE Handle;

-

-  Handle = NULL;

-  Status = SystemTable->BootServices->InstallProtocolInterface (

-                                        &Handle,

-                                        &gEfiCpuIoProtocolGuid,

-                                        EFI_NATIVE_INTERFACE,

-                                        &mCpuIo

-                                        );

-  ASSERT_EFI_ERROR (Status);

-

-  return Status;

-}

-

-EFI_STATUS

-CpuIoCheckParameter (

-  IN EFI_CPU_IO_PROTOCOL_WIDTH  Width,

-  IN UINT64                     Address,

-  IN UINTN                      Count,

-  IN VOID                       *Buffer,

-  IN UINT64                     Limit

-  )

-/*++

-

-Routine Description:

-

-  Check the validation of parameters for CPU I/O interface functions.

-

-Arguments:

-

-  Width   - Width of the Memory Access

-  Address - Address of the Memory access

-  Count   - Count of the number of accesses to perform

-  Buffer  - Pointer to the buffer to read from memory

-  Buffer  - Memory buffer for the I/O operation

-  Limit   - Maximum address supported

-

-Returns:

-

-  EFI_INVALID_PARAMETER - Buffer is NULL

-  EFI_UNSUPPORTED       - The address range specified by Width, Address and Count is invalid

-  EFI_UNSUPPORTED       - The memory buffer is not aligned

-  EFI_SUCCESS           - Parameters are OK

-

---*/

-{

-  UINTN AlignMask;

-

-  if (Buffer == NULL) {

-    return EFI_INVALID_PARAMETER;

-  }

-

-  if (Address > Limit) {

-    return EFI_UNSUPPORTED;

-  }

-

-  //

-  // For FiFo type, the target address won't increase during the access,

-  // so treat count as 1

-  //

-  if (Width >= EfiCpuIoWidthFifoUint8 && Width <= EfiCpuIoWidthFifoUint64) {

-    Count = 1;

-  }

-

-  Width = (EFI_CPU_IO_PROTOCOL_WIDTH) (Width & 0x03);

-  if (Address - 1 + ((UINTN)1 << Width) * Count > Limit) {

-    return EFI_UNSUPPORTED;

-  }

-

-  AlignMask = ((UINTN)1 << Width) - 1;

-  if ((UINTN) Buffer & AlignMask) {

-    return EFI_UNSUPPORTED;

-  }

-

-  return EFI_SUCCESS;

-}

diff --git a/DuetPkg/CpuIoDxe/CpuIo.h b/DuetPkg/CpuIoDxe/CpuIo.h
deleted file mode 100644
index 350d80cf44..0000000000
--- a/DuetPkg/CpuIoDxe/CpuIo.h
+++ /dev/null
@@ -1,244 +0,0 @@
-/*++

-

-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:

-  CpuIo.h

-

-Abstract:

-  *.h file for the driver

-

-  Note: the EFIAPI on the CpuIo functions is used to glue MASM (assembler) code

-  into C code. By making the MASM functions EFIAPI it ensures that a standard

-  C calling convention is assumed by the compiler, reguardless of the compiler

-  flags.

-

-

---*/

-

-#ifndef _CPU_IO_H

-#define _CPU_IO_H

-

-#include <PiDxe.h>

-

-#include <Protocol/CpuIo.h>

-

-#include <Library/BaseLib.h>

-#include <Library/DebugLib.h>

-#include <Library/IoLib.h>

-

-typedef union {

-  UINT8  volatile  *buf;

-  UINT8  volatile  *ui8;

-  UINT16 volatile  *ui16;

-  UINT32 volatile  *ui32;

-  UINT64 volatile  *ui64;

-  UINTN  volatile  ui;

-} PTR;

-

-EFI_STATUS

-EFIAPI

-CpuIoInitialize (

-  IN EFI_HANDLE        ImageHandle,

-  IN EFI_SYSTEM_TABLE  *SystemTable

-  )

-/*++

-

-Routine Description:

-

-  CpuIo driver entry point.

-

-Arguments:

-

-  ImageHandle - The firmware allocated handle for the EFI image.

-  SystemTable - A pointer to the EFI System Table.

-

-Returns:

-

-  EFI_SUCCESS          - The driver was initialized.

-  EFI_OUT_OF_RESOURCES - The request could not be completed due to a lack of resources.

-

---*/

-;

-

-EFI_STATUS

-EFIAPI

-CpuMemoryServiceRead (

-  IN  EFI_CPU_IO_PROTOCOL        *This,

-  IN  EFI_CPU_IO_PROTOCOL_WIDTH  Width,

-  IN  UINT64                     Address,

-  IN  UINTN                      Count,

-  OUT VOID                       *Buffer

-  )

-/*++

-

-Routine Description:

-

-  Perform the memory mapped I/O read service

-

-Arguments:

-

-  This    - Pointer to an instance of the CPU I/O Protocol

-  Width   - Width of the memory mapped I/O operation

-  Address - Base address of the memory mapped I/O operation

-  Count   - Count of the number of accesses to perform

-  Buffer  - Pointer to the destination buffer to store the results

-

-Returns:

-

-  EFI_SUCCESS           - The data was read.

-  EFI_INVALID_PARAMETER - Width is invalid.

-  EFI_INVALID_PARAMETER - Buffer is NULL.

-  EFI_UNSUPPORTED       - The Buffer is not aligned for the given Width.

-  EFI_UNSUPPORTED       - The address range specified by Address, Width,

-                          and Count is not valid.

-

---*/

-;

-

-EFI_STATUS

-EFIAPI

-CpuMemoryServiceWrite (

-  IN EFI_CPU_IO_PROTOCOL        *This,

-  IN EFI_CPU_IO_PROTOCOL_WIDTH  Width,

-  IN UINT64                     Address,

-  IN UINTN                      Count,

-  IN VOID                       *Buffer

-  )

-/*++

-

-Routine Description:

-

-  Perform the memory mapped I/O write service

-

-Arguments:

-

-  This    - Pointer to an instance of the CPU I/O Protocol

-  Width   - Width of the memory mapped I/O operation

-  Address - Base address of the memory mapped I/O operation

-  Count   - Count of the number of accesses to perform

-  Buffer  - Pointer to the source buffer from which to write data

-

-Returns:

-

-  EFI_SUCCESS           - The data was written.

-  EFI_INVALID_PARAMETER - Width is invalid.

-  EFI_INVALID_PARAMETER - Buffer is NULL.

-  EFI_UNSUPPORTED       - The Buffer is not aligned for the given Width.

-  EFI_UNSUPPORTED       - The address range specified by Address, Width,

-                          and Count is not valid.

-

---*/

-;

-

-EFI_STATUS

-EFIAPI

-CpuIoServiceRead (

-  IN  EFI_CPU_IO_PROTOCOL        *This,

-  IN  EFI_CPU_IO_PROTOCOL_WIDTH  Width,

-  IN  UINT64                     UserAddress,

-  IN  UINTN                      Count,

-  OUT VOID                       *UserBuffer

-  )

-/*++

-

-Routine Description:

-

-  Perform the port I/O read service

-

-Arguments:

-

-  This    - Pointer to an instance of the CPU I/O Protocol

-  Width   - Width of the port I/O operation

-  Address - Base address of the port I/O operation

-  Count   - Count of the number of accesses to perform

-  Buffer  - Pointer to the destination buffer to store the results

-

-Returns:

-

-  EFI_SUCCESS           - The data was read.

-  EFI_INVALID_PARAMETER - Width is invalid.

-  EFI_INVALID_PARAMETER - Buffer is NULL.

-  EFI_UNSUPPORTED       - The Buffer is not aligned for the given Width.

-  EFI_UNSUPPORTED       - The address range specified by Address, Width,

-                          and Count is not valid.

-

---*/

-;

-

-EFI_STATUS

-EFIAPI

-CpuIoServiceWrite (

-  IN EFI_CPU_IO_PROTOCOL        *This,

-  IN EFI_CPU_IO_PROTOCOL_WIDTH  Width,

-  IN UINT64                     UserAddress,

-  IN UINTN                      Count,

-  IN VOID                       *UserBuffer

-  )

-/*++

-

-Routine Description:

-

-  Perform the port I/O write service

-

-Arguments:

-

-  This    - Pointer to an instance of the CPU I/O Protocol

-  Width   - Width of the port I/O operation

-  Address - Base address of the port I/O operation

-  Count   - Count of the number of accesses to perform

-  Buffer  - Pointer to the source buffer from which to write data

-

-Returns:

-

-  EFI_SUCCESS           - The data was written.

-  EFI_INVALID_PARAMETER - Width is invalid.

-  EFI_INVALID_PARAMETER - Buffer is NULL.

-  EFI_UNSUPPORTED       - The Buffer is not aligned for the given Width.

-  EFI_UNSUPPORTED       - The address range specified by Address, Width,

-                          and Count is not valid.

-

---*/

-;

-

-EFI_STATUS

-CpuIoCheckParameter (

-  IN EFI_CPU_IO_PROTOCOL_WIDTH  Width,

-  IN UINT64                     Address,

-  IN UINTN                      Count,

-  IN VOID                       *Buffer,

-  IN UINT64                     Limit

-  )

-/*++

-

-Routine Description:

-

-  Check the validation of parameters for CPU I/O interface functions.

-

-Arguments:

-

-  Width   - Width of the Memory Access

-  Address - Address of the Memory access

-  Count   - Count of the number of accesses to perform

-  Buffer  - Pointer to the buffer to read from memory

-  Buffer  - Memory buffer for the I/O operation

-  Limit   - Maximum address supported

-

-Returns:

-

-  EFI_INVALID_PARAMETER - Buffer is NULL

-  EFI_UNSUPPORTED       - The address range specified by Width, Address and Count is invalid

-  EFI_UNSUPPORTED       - The memory buffer is not aligned

-  EFI_SUCCESS           - Parameters are OK

-

---*/

-;

-

-#endif

diff --git a/DuetPkg/CpuIoDxe/CpuIo.inf b/DuetPkg/CpuIoDxe/CpuIo.inf
deleted file mode 100644
index f9d50f618d..0000000000
--- a/DuetPkg/CpuIoDxe/CpuIo.inf
+++ /dev/null
@@ -1,52 +0,0 @@
-#/*++

-# 

-# 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:

-#

-#    CpuIo.inf

-#

-#  Abstract:

-#

-#    Component description file for CpuIo module

-#

-#--*/

-

-[Defines]

-  INF_VERSION                    = 0x00010005

-  BASE_NAME                      = CpuIo

-  FILE_GUID                      = BAE7599F-3C6B-43b7-BDF0-9CE07AA91AA6

-  MODULE_TYPE                    = DXE_DRIVER

-  VERSION_STRING                 = 1.0

-  EDK_RELEASE_VERSION            = 0x00020000

-  EFI_SPECIFICATION_VERSION      = 0x00020000

-

-  ENTRY_POINT                    = CpuIoInitialize

-

-[Packages]

-  DuetPkg/DuetPkg.dec

-  MdePkg/MdePkg.dec

-  IntelFrameworkPkg/IntelFrameworkPkg.dec

-

-[LibraryClasses]

-  BaseLib

-  DebugLib

-  UefiDriverEntryPoint

-  IoLib

-

-[Sources.common]

-  CpuIo.c

-  CpuIo.h

-

-[Protocols]

-  gEfiCpuIoProtocolGuid

-  

-[Depex]

-  TRUE
\ No newline at end of file