diff options
| author | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-04-17 05:48:13 +0000 |
|---|---|---|
| committer | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-04-17 05:48:13 +0000 |
| commit | c69dd9dfad3eb97d5e21f520f3ba35d102ec4cfa (patch) | |
| tree | e6065a748931519b3cf11d9811c0beef9c80d58e /DuetPkg/CpuIoDxe | |
| parent | fcf03596d10de53e45292bd9eb4767a8ddc344ed (diff) | |
| download | edk2-platforms-c69dd9dfad3eb97d5e21f520f3ba35d102ec4cfa.tar.xz | |
Porting Duet module from EDKI to EDKII
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5076 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'DuetPkg/CpuIoDxe')
| -rw-r--r-- | DuetPkg/CpuIoDxe/CpuIo.c | 533 | ||||
| -rw-r--r-- | DuetPkg/CpuIoDxe/CpuIo.h | 245 | ||||
| -rw-r--r-- | DuetPkg/CpuIoDxe/CpuIo.inf | 56 | ||||
| -rw-r--r-- | DuetPkg/CpuIoDxe/CpuIoAccess.h | 216 | ||||
| -rw-r--r-- | DuetPkg/CpuIoDxe/Ia32/CpuIoAccess.asm | 120 | ||||
| -rw-r--r-- | DuetPkg/CpuIoDxe/Ia32CpuIo.dxs | 26 | ||||
| -rw-r--r-- | DuetPkg/CpuIoDxe/x64/CpuIoAccess.asm | 111 |
7 files changed, 1307 insertions, 0 deletions
diff --git a/DuetPkg/CpuIoDxe/CpuIo.c b/DuetPkg/CpuIoDxe/CpuIo.c new file mode 100644 index 0000000000..f95697130c --- /dev/null +++ b/DuetPkg/CpuIoDxe/CpuIo.c @@ -0,0 +1,533 @@ +/*++
+
+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"
+#include "CpuIoAccess.h"
+
+#define IA32_MAX_IO_ADDRESS 0xFFFF
+
+EFI_CPU_IO_PROTOCOL mCpuIo = {
+ {
+ CpuMemoryServiceRead,
+ CpuMemoryServiceWrite
+ },
+ {
+ CpuIoServiceRead,
+ CpuIoServiceWrite
+ }
+};
+
+STATIC
+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 = 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, EFI_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, EFI_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 = 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 = CpuIoRead8 ((UINT16) Address);
+ }
+ break;
+
+ case EfiCpuIoWidthUint16:
+ for (; Count > 0; Count--, Buffer.buf += OutStride, Address += InStride) {
+ *Buffer.ui16 = CpuIoRead16 ((UINT16) Address);
+ }
+ break;
+
+ case EfiCpuIoWidthUint32:
+ for (; Count > 0; Count--, Buffer.buf += OutStride, Address += InStride) {
+ *Buffer.ui32 = CpuIoRead32 ((UINT16) 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 = Width & 0x03;
+
+ //
+ // Loop for each iteration and move the data
+ //
+ switch (Width) {
+ case EfiCpuIoWidthUint8:
+ for (; Count > 0; Count--, Buffer.buf += OutStride, Address += InStride) {
+ CpuIoWrite8 ((UINT16) Address, *Buffer.ui8);
+ }
+ break;
+
+ case EfiCpuIoWidthUint16:
+ for (; Count > 0; Count--, Buffer.buf += OutStride, Address += InStride) {
+ CpuIoWrite16 ((UINT16) Address, *Buffer.ui16);
+ }
+ break;
+
+ case EfiCpuIoWidthUint32:
+ for (; Count > 0; Count--, Buffer.buf += OutStride, Address += InStride) {
+ CpuIoWrite32 ((UINT16) 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 = 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 new file mode 100644 index 0000000000..622cc1560f --- /dev/null +++ b/DuetPkg/CpuIoDxe/CpuIo.h @@ -0,0 +1,245 @@ +/*++
+
+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>
+
+#define VOLATILE volatile
+
+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 new file mode 100644 index 0000000000..9deda69ce0 --- /dev/null +++ b/DuetPkg/CpuIoDxe/CpuIo.inf @@ -0,0 +1,56 @@ +#/*++
+#
+# 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
+ CpuIoAccess.h
+
+[Sources.IA32]
+ IA32\CpuIoAccess.asm
+
+[Sources.X64]
+ X64\CpuIoAccess.asm
+
+[Protocols]
+ gEfiCpuIoProtocolGuid
\ No newline at end of file diff --git a/DuetPkg/CpuIoDxe/CpuIoAccess.h b/DuetPkg/CpuIoDxe/CpuIoAccess.h new file mode 100644 index 0000000000..3983ec8f73 --- /dev/null +++ b/DuetPkg/CpuIoDxe/CpuIoAccess.h @@ -0,0 +1,216 @@ +/*++
+#
+# 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:
+
+ CpuIoAccess.h
+
+Abstract:
+
+--*/
+
+#ifndef _CPU_IO_ACCESS_H
+#define _CPU_IO_ACCESS_H
+
+
+#define IA32API __cdecl
+
+UINT8
+IA32API
+CpuIoRead8 (
+ IN UINT16 Port
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Port - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+/*++
+Routine Description:
+ Cpu I/O read port
+Arguments:
+ Port: - Port number to read
+Returns:
+ Return read 8 bit value
+--*/
+UINT16
+IA32API
+CpuIoRead16 (
+ IN UINT16 Port
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Port - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+/*++
+Routine Description:
+ Cpu I/O read port
+Arguments:
+ Port: - Port number to read
+Returns:
+ Return read 16 bit value
+--*/
+UINT32
+IA32API
+CpuIoRead32 (
+ IN UINT16 Port
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Port - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+/*++
+Routine Description:
+ Cpu I/O read port
+Arguments:
+ Port: - Port number to read
+Returns:
+ Return read 32 bit value
+--*/
+VOID
+IA32API
+CpuIoWrite8 (
+ IN UINT16 Port,
+ IN UINT32 Data
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Port - GC_TODO: add argument description
+ Data - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+/*++
+Routine Description:
+ Cpu I/O write 8 bit data to port
+Arguments:
+ Port: - Port number to read
+ Data: - Data to write to the Port
+Returns:
+ None
+--*/
+VOID
+IA32API
+CpuIoWrite16 (
+ IN UINT16 Port,
+ IN UINT32 Data
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Port - GC_TODO: add argument description
+ Data - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+/*++
+Routine Description:
+ Cpu I/O write 16 bit data to port
+Arguments:
+ Port: - Port number to read
+ Data: - Data to write to the Port
+Returns:
+ None
+--*/
+VOID
+IA32API
+CpuIoWrite32 (
+ IN UINT16 Port,
+ IN UINT32 Data
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Port - GC_TODO: add argument description
+ Data - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+/*++
+Routine Description:
+ Cpu I/O write 32 bit data to port
+Arguments:
+ Port: - Port number to read
+ Data: - Data to write to the Port
+Returns:
+ None
+--*/
+#endif
diff --git a/DuetPkg/CpuIoDxe/Ia32/CpuIoAccess.asm b/DuetPkg/CpuIoDxe/Ia32/CpuIoAccess.asm new file mode 100644 index 0000000000..07b14ea554 --- /dev/null +++ b/DuetPkg/CpuIoDxe/Ia32/CpuIoAccess.asm @@ -0,0 +1,120 @@ + title CpuIoAccess.asm
+;------------------------------------------------------------------------------
+;*
+;* Copyright (c) 2005, 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:
+;* CpuIoAccess.asm
+;*
+;* Abstract:
+;* Supports IA32 CPU IO operation
+;*
+;------------------------------------------------------------------------------
+;
+;
+;------------------------------------------------------------------------------
+
+ .686
+ .MODEL FLAT,C
+ .CODE
+
+
+UINT8 TYPEDEF BYTE
+UINT16 TYPEDEF WORD
+UINT32 TYPEDEF DWORD
+UINT64 TYPEDEF QWORD
+UINTN TYPEDEF UINT32
+
+
+
+;------------------------------------------------------------------------------
+; UINT8
+; CpuIoRead8 (
+; IN UINT16 Port
+; )
+;------------------------------------------------------------------------------
+CpuIoRead8 PROC PUBLIC Port:UINT16
+ mov dx, Port
+ in al, dx
+ ret
+CpuIoRead8 ENDP
+
+;------------------------------------------------------------------------------
+; UINT16
+; CpuIoRead16 (
+; IN UINT16 Port
+; )
+;------------------------------------------------------------------------------
+CpuIoRead16 PROC PUBLIC Port:UINT16
+ mov dx, Port
+ in ax, dx
+ ret
+CpuIoRead16 ENDP
+
+;------------------------------------------------------------------------------
+; UINT32
+; CpuIoRead32 (
+; IN UINT16 Port
+; )
+;------------------------------------------------------------------------------
+CpuIoRead32 PROC PUBLIC Port:UINT16
+ mov dx, Port
+ in eax, dx
+ ret
+CpuIoRead32 ENDP
+
+
+
+;------------------------------------------------------------------------------
+; VOID
+; CpuIoWrite8 (
+; IN UINT16 Port,
+; IN UINT32 Data
+; )
+;------------------------------------------------------------------------------
+CpuIoWrite8 PROC PUBLIC Port:UINT16, Data:UINT32
+ mov eax, Data
+ mov dx, Port
+ out dx, al
+ ret
+CpuIoWrite8 ENDP
+
+
+;------------------------------------------------------------------------------
+; VOID
+; CpuIoWrite16 (
+; IN UINT16 Port,
+; IN UINT32 Data
+; )
+;------------------------------------------------------------------------------
+CpuIoWrite16 PROC PUBLIC Port:UINT16, Data:UINT32
+ mov eax, Data
+ mov dx, Port
+ out dx, ax
+ ret
+CpuIoWrite16 ENDP
+
+
+;------------------------------------------------------------------------------
+; VOID
+; CpuIoWrite32 (
+; IN UINT16 Port,
+; IN UINT32 Data
+; )
+;------------------------------------------------------------------------------
+CpuIoWrite32 PROC PUBLIC Port:UINT16, Data:UINT32
+ mov eax, Data
+ mov dx, Port
+ out dx, eax
+ ret
+CpuIoWrite32 ENDP
+
+
+END
\ No newline at end of file diff --git a/DuetPkg/CpuIoDxe/Ia32CpuIo.dxs b/DuetPkg/CpuIoDxe/Ia32CpuIo.dxs new file mode 100644 index 0000000000..874f333985 --- /dev/null +++ b/DuetPkg/CpuIoDxe/Ia32CpuIo.dxs @@ -0,0 +1,26 @@ +/*++
+
+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:
+ Ia32CpuIo.dxs
+
+Abstract:
+
+ Dependency expression source file.
+
+--*/
+
+#include "EfiDepex.h"
+
+
+DEPENDENCY_START
+ TRUE
+DEPENDENCY_END
diff --git a/DuetPkg/CpuIoDxe/x64/CpuIoAccess.asm b/DuetPkg/CpuIoDxe/x64/CpuIoAccess.asm new file mode 100644 index 0000000000..fa71762877 --- /dev/null +++ b/DuetPkg/CpuIoDxe/x64/CpuIoAccess.asm @@ -0,0 +1,111 @@ + title CpuIoAccess.asm
+
+;------------------------------------------------------------------------------
+;*
+;* Copyright (c) 2005 - 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:
+;* CpuIoAccess.asm
+;*
+;* Abstract:
+;* Supports x64 CPU IO operation
+;*
+;------------------------------------------------------------------------------
+;
+;
+;
+; Abstract:
+;
+;
+;------------------------------------------------------------------------------
+
+.CODE
+
+;------------------------------------------------------------------------------
+; UINT8
+; CpuIoRead8 (
+; UINT16 Port // rcx
+; )
+;------------------------------------------------------------------------------
+CpuIoRead8 PROC PUBLIC
+ xor eax, eax
+ mov dx, cx
+ in al, dx
+ ret
+CpuIoRead8 ENDP
+
+;------------------------------------------------------------------------------
+; VOID
+; CpuIoWrite8 (
+; UINT16 Port, // rcx
+; UINT32 Data // rdx
+; )
+;------------------------------------------------------------------------------
+CpuIoWrite8 PROC PUBLIC
+ mov eax, edx
+ mov dx, cx
+ out dx, al
+ ret
+CpuIoWrite8 ENDP
+
+;------------------------------------------------------------------------------
+; UINT16
+; CpuIoRead16 (
+; UINT16 Port // rcx
+; )
+;------------------------------------------------------------------------------
+CpuIoRead16 PROC PUBLIC
+ xor eax, eax
+ mov dx, cx
+ in ax, dx
+ ret
+CpuIoRead16 ENDP
+
+;------------------------------------------------------------------------------
+; VOID
+; CpuIoWrite16 (
+; UINT16 Port, // rcx
+; UINT32 Data // rdx
+; )
+;------------------------------------------------------------------------------
+CpuIoWrite16 PROC PUBLIC
+ mov eax, edx
+ mov dx, cx
+ out dx, ax
+ ret
+CpuIoWrite16 ENDP
+
+;------------------------------------------------------------------------------
+; UINT32
+; CpuIoRead32 (
+; UINT16 Port // rcx
+; )
+;------------------------------------------------------------------------------
+CpuIoRead32 PROC PUBLIC
+ mov dx, cx
+ in eax, dx
+ ret
+CpuIoRead32 ENDP
+
+;------------------------------------------------------------------------------
+; VOID
+; CpuIoWrite32 (
+; UINT16 Port, // rcx
+; UINT32 Data // rdx
+; )
+;------------------------------------------------------------------------------
+CpuIoWrite32 PROC PUBLIC
+ mov eax, edx
+ mov dx, cx
+ out dx, eax
+ ret
+CpuIoWrite32 ENDP
+
+END
|