diff options
| author | qwang12 <qwang12@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-06-29 03:02:40 +0000 |
|---|---|---|
| committer | qwang12 <qwang12@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-06-29 03:02:40 +0000 |
| commit | 770bcbb646db89f2dd88262891017c6372fb8baa (patch) | |
| tree | 0af01d67c4602593afa1d18b027b9a3151ff2dc9 /Nt32Pkg | |
| parent | d57e875ca3aac3249751b18db03921b6f0cff5fe (diff) | |
add in CpuRuntimeDxe
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2871 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'Nt32Pkg')
| -rw-r--r-- | Nt32Pkg/CpuRuntimeDxe/CommonHeader.h | 44 | ||||
| -rw-r--r-- | Nt32Pkg/CpuRuntimeDxe/Cpu.c | 731 | ||||
| -rw-r--r-- | Nt32Pkg/CpuRuntimeDxe/Cpu.dxs | 31 | ||||
| -rw-r--r-- | Nt32Pkg/CpuRuntimeDxe/Cpu.inf | 109 | ||||
| -rw-r--r-- | Nt32Pkg/CpuRuntimeDxe/Cpu.msa | 104 | ||||
| -rw-r--r-- | Nt32Pkg/CpuRuntimeDxe/CpuDriver.h | 102 | ||||
| -rw-r--r-- | Nt32Pkg/CpuRuntimeDxe/CpuIo.c | 340 | ||||
| -rw-r--r-- | Nt32Pkg/CpuRuntimeDxe/Strings.uni | bin | 0 -> 2036 bytes |
8 files changed, 1461 insertions, 0 deletions
diff --git a/Nt32Pkg/CpuRuntimeDxe/CommonHeader.h b/Nt32Pkg/CpuRuntimeDxe/CommonHeader.h new file mode 100644 index 000000000..f63563c8f --- /dev/null +++ b/Nt32Pkg/CpuRuntimeDxe/CommonHeader.h @@ -0,0 +1,44 @@ +/**@file
+ Common header file shared by all source files.
+
+ This file includes package header files, library classes and protocol, PPI & GUID definitions.
+
+ Copyright (c) 2006 - 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.
+**/
+
+#ifndef __COMMON_HEADER_H_
+#define __COMMON_HEADER_H_
+
+
+//
+// The package level header files this module uses
+//
+#include <PiDxe.h>
+#include <WinNtDxe.h>
+//
+// The protocols, PPI and GUID defintions for this module
+//
+#include <Protocol/Cpu.h>
+#include <Protocol/DataHub.h>
+#include <Protocol/FrameworkHii.h>
+#include <Common/DataHubRecords.h>
+#include <Guid/DataHubRecords.h>
+#include <Protocol/CpuIo.h>
+#include <Protocol/WinNtIo.h>
+//
+// The Library classes this module consumes
+//
+#include <Library/DebugLib.h>
+#include <Library/FrameworkHiiLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+
+#endif
diff --git a/Nt32Pkg/CpuRuntimeDxe/Cpu.c b/Nt32Pkg/CpuRuntimeDxe/Cpu.c new file mode 100644 index 000000000..499ec2da8 --- /dev/null +++ b/Nt32Pkg/CpuRuntimeDxe/Cpu.c @@ -0,0 +1,731 @@ +/*++
+
+Copyright (c) 2006 - 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:
+
+ Cpu.c
+
+Abstract:
+
+ NT Emulation Architectural Protocol Driver as defined in Tiano.
+ This CPU module abstracts the interrupt subsystem of a platform and
+ the CPU-specific setjump/long pair. Other services are not implemented
+ in this driver.
+
+--*/
+
+//
+// Include common header file for this module.
+//
+#include "CommonHeader.h"
+
+#include "CpuDriver.h"
+
+#define EFI_CPU_DATA_MAXIMUM_LENGTH 0x100
+
+EFI_STATUS
+EFIAPI
+InitializeCpu (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+VOID
+EFIAPI
+WinNtIoProtocolNotifyFunction (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ );
+
+typedef union {
+ EFI_CPU_DATA_RECORD *DataRecord;
+ UINT8 *Raw;
+} EFI_CPU_DATA_RECORD_BUFFER;
+
+EFI_SUBCLASS_TYPE1_HEADER mCpuDataRecordHeader = {
+ EFI_PROCESSOR_SUBCLASS_VERSION, // Version
+ sizeof (EFI_SUBCLASS_TYPE1_HEADER), // Header Size
+ 0, // Instance, Initialize later
+ EFI_SUBCLASS_INSTANCE_NON_APPLICABLE, // SubInstance
+ 0 // RecordType, Initialize later
+};
+
+//
+// Service routines for the driver
+//
+STATIC
+EFI_STATUS
+EFIAPI
+WinNtFlushCpuDataCache (
+ IN EFI_CPU_ARCH_PROTOCOL *This,
+ IN EFI_PHYSICAL_ADDRESS Start,
+ IN UINT64 Length,
+ IN EFI_CPU_FLUSH_TYPE FlushType
+ )
+/*++
+
+Routine Description:
+
+ This routine would provide support for flushing the CPU data cache.
+ In the case of NT emulation environment, this flushing is not necessary and
+ is thus not implemented.
+
+Arguments:
+
+ Pointer to CPU Architectural Protocol interface
+ Start adddress in memory to flush
+ Length of memory to flush
+ Flush type
+
+Returns:
+
+ Status
+ EFI_SUCCESS
+
+--*/
+// TODO: This - add argument and description to function comment
+// TODO: FlushType - add argument and description to function comment
+// TODO: EFI_UNSUPPORTED - add return value to function comment
+{
+ if (FlushType == EfiCpuFlushTypeWriteBackInvalidate) {
+ //
+ // Only WB flush is supported. We actually need do nothing on NT emulator
+ // environment. Classify this to follow EFI spec
+ //
+ return EFI_SUCCESS;
+ }
+ //
+ // Other flush types are not supported by NT emulator
+ //
+ return EFI_UNSUPPORTED;
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+WinNtEnableInterrupt (
+ IN EFI_CPU_ARCH_PROTOCOL *This
+ )
+/*++
+
+Routine Description:
+
+ This routine provides support for emulation of the interrupt enable of the
+ the system. For our purposes, CPU enable is just a BOOLEAN that the Timer
+ Architectural Protocol observes in order to defer behaviour while in its
+ emulated interrupt, or timer tick.
+
+Arguments:
+
+ Pointer to CPU Architectural Protocol interface
+
+Returns:
+
+ Status
+ EFI_SUCCESS
+
+--*/
+// TODO: This - add argument and description to function comment
+{
+ CPU_ARCH_PROTOCOL_PRIVATE *Private;
+
+ Private = CPU_ARCH_PROTOCOL_PRIVATE_DATA_FROM_THIS (This);
+ Private->InterruptState = TRUE;
+ return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+WinNtDisableInterrupt (
+ IN EFI_CPU_ARCH_PROTOCOL *This
+ )
+/*++
+
+Routine Description:
+
+ This routine provides support for emulation of the interrupt disable of the
+ the system. For our purposes, CPU enable is just a BOOLEAN that the Timer
+ Architectural Protocol observes in order to defer behaviour while in its
+ emulated interrupt, or timer tick.
+
+Arguments:
+
+ Pointer to CPU Architectural Protocol interface
+
+Returns:
+
+ Status
+ EFI_SUCCESS
+
+--*/
+// TODO: This - add argument and description to function comment
+{
+ CPU_ARCH_PROTOCOL_PRIVATE *Private;
+
+ Private = CPU_ARCH_PROTOCOL_PRIVATE_DATA_FROM_THIS (This);
+ Private->InterruptState = FALSE;
+ return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+WinNtGetInterruptState (
+ IN EFI_CPU_ARCH_PROTOCOL *This,
+ OUT BOOLEAN *State
+ )
+/*++
+
+Routine Description:
+
+ This routine provides support for emulation of the interrupt disable of the
+ the system. For our purposes, CPU enable is just a BOOLEAN that the Timer
+ Architectural Protocol observes in order to defer behaviour while in its
+ emulated interrupt, or timer tick.
+
+Arguments:
+
+ Pointer to CPU Architectural Protocol interface
+
+Returns:
+
+ Status
+ EFI_SUCCESS
+
+--*/
+// TODO: This - add argument and description to function comment
+// TODO: State - add argument and description to function comment
+// TODO: EFI_INVALID_PARAMETER - add return value to function comment
+{
+ CPU_ARCH_PROTOCOL_PRIVATE *Private;
+
+ if (State == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Private = CPU_ARCH_PROTOCOL_PRIVATE_DATA_FROM_THIS (This);
+ *State = Private->InterruptState;
+ return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+WinNtInit (
+ IN EFI_CPU_ARCH_PROTOCOL *This,
+ IN EFI_CPU_INIT_TYPE InitType
+ )
+/*++
+
+Routine Description:
+
+ This routine would support generation of a CPU INIT. At
+ present, this code does not provide emulation.
+
+Arguments:
+
+ Pointer to CPU Architectural Protocol interface
+ INIT Type
+
+Returns:
+
+ Status
+ EFI_UNSUPPORTED - not yet implemented
+
+--*/
+// TODO: This - add argument and description to function comment
+// TODO: InitType - add argument and description to function comment
+{
+ CPU_ARCH_PROTOCOL_PRIVATE *Private;
+
+ Private = CPU_ARCH_PROTOCOL_PRIVATE_DATA_FROM_THIS (This);
+ return EFI_UNSUPPORTED;
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+WinNtRegisterInterruptHandler (
+ IN EFI_CPU_ARCH_PROTOCOL *This,
+ IN EFI_EXCEPTION_TYPE InterruptType,
+ IN EFI_CPU_INTERRUPT_HANDLER InterruptHandler
+ )
+/*++
+
+Routine Description:
+
+ This routine would support registration of an interrupt handler. At
+ present, this code does not provide emulation.
+
+Arguments:
+
+ Pointer to CPU Architectural Protocol interface
+ Pointer to interrupt handlers
+ Interrupt type
+
+Returns:
+
+ Status
+ EFI_UNSUPPORTED - not yet implemented
+
+--*/
+// TODO: This - add argument and description to function comment
+// TODO: InterruptType - add argument and description to function comment
+// TODO: InterruptHandler - add argument and description to function comment
+{
+ CPU_ARCH_PROTOCOL_PRIVATE *Private;
+
+ //
+ // Do parameter checking for EFI spec conformance
+ //
+ if (InterruptType < 0 || InterruptType > 0xff) {
+ return EFI_UNSUPPORTED;
+ }
+ //
+ // Do nothing for Nt32 emulation
+ //
+ Private = CPU_ARCH_PROTOCOL_PRIVATE_DATA_FROM_THIS (This);
+ return EFI_UNSUPPORTED;
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+WinNtGetTimerValue (
+ IN EFI_CPU_ARCH_PROTOCOL *This,
+ IN UINT32 TimerIndex,
+ OUT UINT64 *TimerValue,
+ OUT UINT64 *TimerPeriod OPTIONAL
+ )
+/*++
+
+Routine Description:
+
+ This routine would support querying of an on-CPU timer. At present,
+ this code does not provide timer emulation.
+
+Arguments:
+
+ This - Pointer to CPU Architectural Protocol interface
+ TimerIndex - Index of given CPU timer
+ TimerValue - Output of the timer
+ TimerPeriod - Output of the timer period
+
+Returns:
+
+ EFI_UNSUPPORTED - not yet implemented
+ EFI_INVALID_PARAMETER - TimeValue is NULL
+
+--*/
+{
+ if (TimerValue == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // No timer supported
+ //
+ return EFI_UNSUPPORTED;
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+WinNtSetMemoryAttributes (
+ IN EFI_CPU_ARCH_PROTOCOL *This,
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,
+ IN UINT64 Length,
+ IN UINT64 Attributes
+ )
+/*++
+
+Routine Description:
+
+ This routine would support querying of an on-CPU timer. At present,
+ this code does not provide timer emulation.
+
+Arguments:
+
+ Pointer to CPU Architectural Protocol interface
+ Start address of memory region
+ The size in bytes of the memory region
+ The bit mask of attributes to set for the memory region
+
+Returns:
+
+ Status
+ EFI_UNSUPPORTED - not yet implemented
+
+--*/
+// TODO: This - add argument and description to function comment
+// TODO: BaseAddress - add argument and description to function comment
+// TODO: Length - add argument and description to function comment
+// TODO: Attributes - add argument and description to function comment
+// TODO: EFI_INVALID_PARAMETER - add return value to function comment
+{
+ CPU_ARCH_PROTOCOL_PRIVATE *Private;
+
+ //
+ // Check for invalid parameter for Spec conformance
+ //
+ if (Length == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Do nothing for Nt32 emulation
+ //
+ Private = CPU_ARCH_PROTOCOL_PRIVATE_DATA_FROM_THIS (This);
+ return EFI_UNSUPPORTED;
+}
+
+
+EFI_STATUS
+EFIAPI
+InitializeCpu (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+/*++
+
+Routine Description:
+
+ Initialize the state information for the CPU Architectural Protocol
+
+Arguments:
+
+ ImageHandle of the loaded driver
+ Pointer to the System Table
+
+Returns:
+
+ Status
+
+ EFI_SUCCESS - protocol instance can be published
+ EFI_OUT_OF_RESOURCES - cannot allocate protocol data structure
+ EFI_DEVICE_ERROR - cannot create the thread
+
+--*/
+// TODO: SystemTable - add argument and description to function comment
+{
+ EFI_STATUS Status;
+ EFI_EVENT Event;
+ CPU_ARCH_PROTOCOL_PRIVATE *Private;
+ VOID *Registration;
+
+ Private = AllocatePool (sizeof (CPU_ARCH_PROTOCOL_PRIVATE));
+ ASSERT (Private != NULL);
+
+ Private->Signature = CPU_ARCH_PROT_PRIVATE_SIGNATURE;
+ Private->Cpu.FlushDataCache = WinNtFlushCpuDataCache;
+ Private->Cpu.EnableInterrupt = WinNtEnableInterrupt;
+ Private->Cpu.DisableInterrupt = WinNtDisableInterrupt;
+ Private->Cpu.GetInterruptState = WinNtGetInterruptState;
+ Private->Cpu.Init = WinNtInit;
+ Private->Cpu.RegisterInterruptHandler = WinNtRegisterInterruptHandler;
+ Private->Cpu.GetTimerValue = WinNtGetTimerValue;
+ Private->Cpu.SetMemoryAttributes = WinNtSetMemoryAttributes;
+
+ Private->Cpu.NumberOfTimers = 0;
+ Private->Cpu.DmaBufferAlignment = 4;
+
+ Private->InterruptState = TRUE;
+
+ Private->CpuIo.Mem.Read = CpuMemoryServiceRead;
+ Private->CpuIo.Mem.Write = CpuMemoryServiceWrite;
+ Private->CpuIo.Io.Read = CpuIoServiceRead;
+ Private->CpuIo.Io.Write = CpuIoServiceWrite;
+
+
+ Private->Handle = NULL;
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &Private->Handle,
+ &gEfiCpuArchProtocolGuid, &Private->Cpu,
+ &gEfiCpuIoProtocolGuid, &Private->CpuIo,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Install notify function to store processor data to HII database and data hub.
+ //
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_SIGNAL,
+ TPL_CALLBACK,
+ WinNtIoProtocolNotifyFunction,
+ ImageHandle,
+ &Event
+ );
+ ASSERT (!EFI_ERROR (Status));
+
+ Status = gBS->RegisterProtocolNotify (
+ &gEfiWinNtIoProtocolGuid,
+ Event,
+ &Registration
+ );
+ ASSERT (!EFI_ERROR (Status));
+
+ //
+ // Should be at EFI_D_INFO, but lets us now things are running
+ //
+ DEBUG ((EFI_D_ERROR, "CPU Architectural Protocol Loaded\n"));
+
+
+
+ return Status;
+}
+
+UINTN
+Atoi (
+ CHAR16 *String
+ )
+/*++
+
+Routine Description:
+ Convert a unicode string to a UINTN
+
+Arguments:
+ String - Unicode string.
+
+Returns:
+ UINTN of the number represented by String.
+
+--*/
+{
+ UINTN Number;
+ CHAR16 *Str;
+
+ //
+ // skip preceeding white space
+ //
+ Str = String;
+ while ((*Str) && (*Str == ' ' || *Str == '"')) {
+ Str++;
+ }
+ //
+ // Convert ot a Number
+ //
+ Number = 0;
+ while (*Str != '\0') {
+ if ((*Str >= '0') && (*Str <= '9')) {
+ Number = (Number * 10) +*Str - '0';
+ } else {
+ break;
+ }
+
+ Str++;
+ }
+
+ return Number;
+}
+
+VOID
+EFIAPI
+WinNtIoProtocolNotifyFunction (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+/*++
+
+Routine Description:
+ This function will log processor version and frequency data to data hub.
+
+Arguments:
+ Event - Event whose notification function is being invoked.
+ Context - Pointer to the notification function's context.
+
+Returns:
+ None.
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_CPU_DATA_RECORD_BUFFER RecordBuffer;
+ EFI_DATA_RECORD_HEADER *Record;
+ EFI_SUBCLASS_TYPE1_HEADER *DataHeader;
+ UINT32 HeaderSize;
+ UINT32 TotalSize;
+ UINTN HandleCount;
+ UINTN HandleIndex;
+ UINT64 MonotonicCount;
+ BOOLEAN RecordFound;
+ EFI_HANDLE *HandleBuffer;
+ EFI_WIN_NT_IO_PROTOCOL *WinNtIo;
+ EFI_DATA_HUB_PROTOCOL *DataHub;
+ EFI_HII_PROTOCOL *Hii;
+ EFI_HII_HANDLE StringHandle;
+ EFI_HII_PACKAGES *PackageList;
+ STRING_REF Token;
+
+ DataHub = NULL;
+ Token = 0;
+ MonotonicCount = 0;
+ RecordFound = FALSE;
+
+ //
+ // Retrieve the list of all handles from the handle database
+ //
+ Status = gBS->LocateHandleBuffer (
+ AllHandles,
+ &gEfiWinNtIoProtocolGuid,
+ NULL,
+ &HandleCount,
+ &HandleBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ return ;
+ }
+ //
+ // Locate HII protocol
+ //
+ Status = gBS->LocateProtocol (&gEfiHiiProtocolGuid, NULL, &Hii);
+ if (EFI_ERROR (Status)) {
+ return ;
+ }
+ //
+ // Locate DataHub protocol.
+ //
+ Status = gBS->LocateProtocol (&gEfiDataHubProtocolGuid, NULL, &DataHub);
+ if (EFI_ERROR (Status)) {
+ return ;
+ }
+ //
+ // Initialize data record header
+ //
+ mCpuDataRecordHeader.Instance = 1;
+ HeaderSize = sizeof (EFI_SUBCLASS_TYPE1_HEADER);
+
+ RecordBuffer.Raw = AllocatePool (HeaderSize + EFI_CPU_DATA_MAXIMUM_LENGTH);
+ if (RecordBuffer.Raw == NULL) {
+ return ;
+ }
+
+ CopyMem (RecordBuffer.Raw, &mCpuDataRecordHeader, HeaderSize);
+
+ //
+ // Search the Handle array to find the CPU model and speed information
+ //
+ for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {
+ Status = gBS->OpenProtocol (
+ HandleBuffer[HandleIndex],
+ &gEfiWinNtIoProtocolGuid,
+ &WinNtIo,
+ Context,
+ NULL,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ continue;
+ }
+
+ if ((WinNtIo->WinNtThunk->Signature == EFI_WIN_NT_THUNK_PROTOCOL_SIGNATURE) &&
+ CompareGuid (WinNtIo->TypeGuid, &gEfiWinNtCPUModelGuid)
+ ) {
+ //
+ // Check if this record has been stored in data hub
+ //
+ do {
+ Status = DataHub->GetNextRecord (DataHub, &MonotonicCount, NULL, &Record);
+ if (Record->DataRecordClass == EFI_DATA_RECORD_CLASS_DATA) {
+ DataHeader = (EFI_SUBCLASS_TYPE1_HEADER *) (Record + 1);
+ if (CompareGuid (&Record->DataRecordGuid, &gEfiProcessorSubClassGuid) &&
+ (DataHeader->RecordType == ProcessorVersionRecordType)
+ ) {
+ RecordFound = TRUE;
+ }
+ }
+ } while (MonotonicCount != 0);
+
+ if (RecordFound) {
+ RecordFound = FALSE;
+ continue;
+ }
+ //
+ // Initialize strings to HII database
+ //
+ PackageList = PreparePackages (1, &gEfiProcessorProducerGuid, CpuStrings);
+
+ Status = Hii->NewPack (Hii, PackageList, &StringHandle);
+ ASSERT (!EFI_ERROR (Status));
+
+ FreePool (PackageList);
+
+ //
+ // Store processor version data record to data hub
+ //
+ Status = Hii->NewString (Hii, NULL, StringHandle, &Token, WinNtIo->EnvString);
+ ASSERT (!EFI_ERROR (Status));
+
+ RecordBuffer.DataRecord->DataRecordHeader.RecordType = ProcessorVersionRecordType;
+ RecordBuffer.DataRecord->VariableRecord.ProcessorVersion = Token;
+ TotalSize = HeaderSize + sizeof (EFI_PROCESSOR_VERSION_DATA);
+
+ Status = DataHub->LogData (
+ DataHub,
+ &gEfiProcessorSubClassGuid,
+ &gEfiProcessorProducerGuid,
+ EFI_DATA_RECORD_CLASS_DATA,
+ RecordBuffer.Raw,
+ TotalSize
+ );
+ }
+
+ if ((WinNtIo->WinNtThunk->Signature == EFI_WIN_NT_THUNK_PROTOCOL_SIGNATURE) &&
+ CompareGuid (WinNtIo->TypeGuid, &gEfiWinNtCPUSpeedGuid)
+ ) {
+ //
+ // Check if this record has been stored in data hub
+ //
+ do {
+ Status = DataHub->GetNextRecord (DataHub, &MonotonicCount, NULL, &Record);
+ if (Record->DataRecordClass == EFI_DATA_RECORD_CLASS_DATA) {
+ DataHeader = (EFI_SUBCLASS_TYPE1_HEADER *) (Record + 1);
+ if (CompareGuid (&Record->DataRecordGuid, &gEfiProcessorSubClassGuid) &&
+ (DataHeader->RecordType == ProcessorCoreFrequencyRecordType)
+ ) {
+ RecordFound = TRUE;
+ }
+ }
+ } while (MonotonicCount != 0);
+
+ if (RecordFound) {
+ RecordFound = FALSE;
+ continue;
+ }
+ //
+ // Store CPU frequency data record to data hub
+ //
+ RecordBuffer.DataRecord->DataRecordHeader.RecordType = ProcessorCoreFrequencyRecordType;
+ RecordBuffer.DataRecord->VariableRecord.ProcessorCoreFrequency.Value = (UINT16) Atoi (WinNtIo->EnvString);
+ RecordBuffer.DataRecord->VariableRecord.ProcessorCoreFrequency.Exponent = 6;
+ TotalSize = HeaderSize + sizeof (EFI_PROCESSOR_CORE_FREQUENCY_DATA);
+
+ Status = DataHub->LogData (
+ DataHub,
+ &gEfiProcessorSubClassGuid,
+ &gEfiProcessorProducerGuid,
+ EFI_DATA_RECORD_CLASS_DATA,
+ RecordBuffer.Raw,
+ TotalSize
+ );
+
+ FreePool (RecordBuffer.Raw);
+ }
+
+ gBS->CloseProtocol (
+ HandleBuffer[HandleIndex],
+ &gEfiWinNtIoProtocolGuid,
+ Context,
+ NULL
+ );
+ }
+}
diff --git a/Nt32Pkg/CpuRuntimeDxe/Cpu.dxs b/Nt32Pkg/CpuRuntimeDxe/Cpu.dxs new file mode 100644 index 000000000..d4f2df0fc --- /dev/null +++ b/Nt32Pkg/CpuRuntimeDxe/Cpu.dxs @@ -0,0 +1,31 @@ +/*++
+
+Copyright (c) 2006, 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:
+
+ Cpu.dxs
+
+Abstract:
+
+ Dependency expression source file.
+
+--*/
+//
+// Include common header file for this module.
+//
+#include "CommonHeader.h"
+
+#include <DxeDepex.h>
+
+DEPENDENCY_START
+ EFI_DATA_HUB_PROTOCOL_GUID AND
+ EFI_HII_PROTOCOL_GUID
+DEPENDENCY_END
diff --git a/Nt32Pkg/CpuRuntimeDxe/Cpu.inf b/Nt32Pkg/CpuRuntimeDxe/Cpu.inf new file mode 100644 index 000000000..d965523b7 --- /dev/null +++ b/Nt32Pkg/CpuRuntimeDxe/Cpu.inf @@ -0,0 +1,109 @@ +#/** @file
+# Component description file for Cpu module.
+#
+# This CPU module abstracts the interrupt subsystem of a platform and the CPU-specific setjump-long pair.
+# Copyright (c) 2006 - 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.
+#
+#
+#**/
+
+################################################################################
+#
+# Defines Section - statements that will be processed to create a Makefile.
+#
+################################################################################
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = Cpu
+ FILE_GUID = ee993080-5197-4d4e-b63c-f1f7413e33ce
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ EDK_RELEASE_VERSION = 0x00020000
+ EFI_SPECIFICATION_VERSION = 0x00020000
+
+ ENTRY_POINT = InitializeCpu
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32
+#
+
+################################################################################
+#
+# Sources Section - list of files that are required for the build to succeed.
+#
+################################################################################
+
+[Sources.common]
+ Cpu.dxs
+ CpuIo.c
+ Cpu.c
+ CpuDriver.h
+ Strings.uni
+ CommonHeader.h
+
+
+################################################################################
+#
+# Package Dependency Section - list of Package files that are required for
+# this module.
+#
+################################################################################
+
+[Packages]
+ MdePkg/MdePkg.dec
+ IntelFrameworkPkg/IntelFrameworkPkg.dec
+
+
+################################################################################
+#
+# Library Class Section - list of Library Classes that are required for
+# this module.
+#
+################################################################################
+
+[LibraryClasses]
+ UefiBootServicesTableLib
+ MemoryAllocationLib
+ BaseMemoryLib
+ UefiDriverEntryPoint
+ FrameworkHiiLib
+ DebugLib
+
+
+################################################################################
+#
+# Guid C Name Section - list of Guids that this module uses or produces.
+#
+################################################################################
+
+[Guids]
+ gEfiWinNtCPUSpeedGuid # SOMETIMES_CONSUMED
+ gEfiWinNtCPUModelGuid # SOMETIMES_CONSUMED
+ gEfiProcessorSubClassGuid # SOMETIMES_CONSUMED
+ gEfiProcessorProducerGuid # SOMETIMES_CONSUMED
+
+
+################################################################################
+#
+# Protocol C Name Section - list of Protocol and Protocol Notify C Names
+# that this module uses or produces.
+#
+################################################################################
+
+[Protocols]
+ gEfiWinNtIoProtocolGuid # PROTOCOL_NOTIFY SOMETIMES_CONSUMED
+ gEfiDataHubProtocolGuid # PROTOCOL SOMETIMES_CONSUMED
+ gEfiHiiProtocolGuid # PROTOCOL SOMETIMES_CONSUMED
+ gEfiWinNtIoProtocolGuid # PROTOCOL ALWAYS_CONSUMED
+ gEfiCpuIoProtocolGuid # PROTOCOL ALWAYS_PRODUCED
+ gEfiCpuArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED
+
diff --git a/Nt32Pkg/CpuRuntimeDxe/Cpu.msa b/Nt32Pkg/CpuRuntimeDxe/Cpu.msa new file mode 100644 index 000000000..f0f22f954 --- /dev/null +++ b/Nt32Pkg/CpuRuntimeDxe/Cpu.msa @@ -0,0 +1,104 @@ +<?xml version="1.0" encoding="UTF-8"?>
+<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+ <MsaHeader>
+ <ModuleName>Cpu</ModuleName>
+ <ModuleType>DXE_DRIVER</ModuleType>
+ <GuidValue>ee993080-5197-4d4e-b63c-f1f7413e33ce</GuidValue>
+ <Version>1.0</Version>
+ <Abstract>Component description file for Cpu module.</Abstract>
+ <Description>This CPU module abstracts the interrupt subsystem of a platform and the CPU-specific setjump-long pair.</Description>
+ <Copyright>Copyright (c) 2006 - 2007, Intel Corporation</Copyright>
+ <License>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.</License>
+ <Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
+ </MsaHeader>
+ <ModuleDefinitions>
+ <SupportedArchitectures>IA32</SupportedArchitectures>
+ <BinaryModule>false</BinaryModule>
+ <OutputFileBasename>Cpu</OutputFileBasename>
+ </ModuleDefinitions>
+ <LibraryClassDefinitions>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>DebugLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>HiiLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>UefiDriverEntryPoint</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>BaseMemoryLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>MemoryAllocationLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>UefiBootServicesTableLib</Keyword>
+ </LibraryClass>
+ </LibraryClassDefinitions>
+ <SourceFiles>
+ <Filename>Strings.uni</Filename>
+ <Filename>CpuDriver.h</Filename>
+ <Filename>Cpu.c</Filename>
+ <Filename>CpuIo.c</Filename>
+ <Filename>Cpu.dxs</Filename>
+ </SourceFiles>
+ <PackageDependencies>
+ <Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
+ <Package PackageGuid="0fb2aa2d-10d5-40a5-a9dc-060c12a4a3f3"/>
+ </PackageDependencies>
+ <Protocols>
+ <Protocol Usage="ALWAYS_PRODUCED">
+ <ProtocolCName>gEfiCpuArchProtocolGuid</ProtocolCName>
+ </Protocol>
+ <Protocol Usage="ALWAYS_PRODUCED">
+ <ProtocolCName>gEfiCpuIoProtocolGuid</ProtocolCName>
+ </Protocol>
+ <Protocol Usage="ALWAYS_CONSUMED">
+ <ProtocolCName>gEfiWinNtIoProtocolGuid</ProtocolCName>
+ </Protocol>
+ <Protocol Usage="SOMETIMES_CONSUMED">
+ <ProtocolCName>gEfiHiiProtocolGuid</ProtocolCName>
+ </Protocol>
+ <Protocol Usage="SOMETIMES_CONSUMED">
+ <ProtocolCName>gEfiDataHubProtocolGuid</ProtocolCName>
+ </Protocol>
+ <ProtocolNotify Usage="SOMETIMES_CONSUMED">
+ <ProtocolNotifyCName>gEfiWinNtIoProtocolGuid</ProtocolNotifyCName>
+ </ProtocolNotify>
+ </Protocols>
+ <DataHubs>
+ <DataHubRecord Usage="SOMETIMES_PRODUCED">
+ <DataHubCName>ProcessorVersion</DataHubCName>
+ </DataHubRecord>
+ <DataHubRecord Usage="SOMETIMES_PRODUCED">
+ <DataHubCName>ProcessorCoreFrequency</DataHubCName>
+ </DataHubRecord>
+ </DataHubs>
+ <Guids>
+ <GuidCNames Usage="SOMETIMES_CONSUMED">
+ <GuidCName>gEfiProcessorProducerGuid</GuidCName>
+ </GuidCNames>
+ <GuidCNames Usage="SOMETIMES_CONSUMED">
+ <GuidCName>gEfiProcessorSubClassGuid</GuidCName>
+ </GuidCNames>
+ <GuidCNames Usage="SOMETIMES_CONSUMED">
+ <GuidCName>gEfiWinNtCPUModelGuid</GuidCName>
+ </GuidCNames>
+ <GuidCNames Usage="SOMETIMES_CONSUMED">
+ <GuidCName>gEfiWinNtCPUSpeedGuid</GuidCName>
+ </GuidCNames>
+ </Guids>
+ <Externs>
+ <Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
+ <Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
+ <Extern>
+ <ModuleEntryPoint>InitializeCpu</ModuleEntryPoint>
+ </Extern>
+ </Externs>
+</ModuleSurfaceArea>
\ No newline at end of file diff --git a/Nt32Pkg/CpuRuntimeDxe/CpuDriver.h b/Nt32Pkg/CpuRuntimeDxe/CpuDriver.h new file mode 100644 index 000000000..781d8c65d --- /dev/null +++ b/Nt32Pkg/CpuRuntimeDxe/CpuDriver.h @@ -0,0 +1,102 @@ +/*++
+
+Copyright (c) 2006, 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:
+
+ CpuDriver.h
+
+Abstract:
+
+ NT Emulation Architectural Protocol Driver as defined in Tiano.
+
+--*/
+
+#ifndef _CPU_ARCHITECTURAL_PROTOCOL_DRIVER_H_
+#define _CPU_ARCHITECTURAL_PROTOCOL_DRIVER_H_
+
+
+
+//
+// Include common header file for this module.
+//
+#include "CommonHeader.h"
+
+extern UINT8 CpuStrings[];
+
+//
+// Internal Data Structures
+//
+#define CPU_ARCH_PROT_PRIVATE_SIGNATURE EFI_SIGNATURE_32 ('c', 'a', 'p', 'd')
+
+typedef struct {
+ UINTN Signature;
+ EFI_HANDLE Handle;
+
+ EFI_CPU_ARCH_PROTOCOL Cpu;
+ EFI_CPU_IO_PROTOCOL CpuIo;
+
+ //
+ // Local Data for CPU interface goes here
+ //
+ CRITICAL_SECTION NtCriticalSection;
+ BOOLEAN InterruptState;
+
+} CPU_ARCH_PROTOCOL_PRIVATE;
+
+#define CPU_ARCH_PROTOCOL_PRIVATE_DATA_FROM_THIS(a) \
+ CR (a, \
+ CPU_ARCH_PROTOCOL_PRIVATE, \
+ Cpu, \
+ CPU_ARCH_PROT_PRIVATE_SIGNATURE \
+ )
+
+EFI_STATUS
+EFIAPI
+CpuMemoryServiceRead (
+ IN EFI_CPU_IO_PROTOCOL *This,
+ IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
+ IN UINT64 Address,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ );
+
+EFI_STATUS
+EFIAPI
+CpuMemoryServiceWrite (
+ IN EFI_CPU_IO_PROTOCOL *This,
+ IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
+ IN UINT64 Address,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ );
+
+EFI_STATUS
+EFIAPI
+CpuIoServiceRead (
+ IN EFI_CPU_IO_PROTOCOL *This,
+ IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
+ IN UINT64 UserAddress,
+ IN UINTN Count,
+ IN OUT VOID *UserBuffer
+ );
+
+EFI_STATUS
+EFIAPI
+CpuIoServiceWrite (
+ IN EFI_CPU_IO_PROTOCOL *This,
+ IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
+ IN UINT64 UserAddress,
+ IN UINTN Count,
+ IN OUT VOID *UserBuffer
+ );
+
+
+#endif
diff --git a/Nt32Pkg/CpuRuntimeDxe/CpuIo.c b/Nt32Pkg/CpuRuntimeDxe/CpuIo.c new file mode 100644 index 000000000..a3b7c59e9 --- /dev/null +++ b/Nt32Pkg/CpuRuntimeDxe/CpuIo.c @@ -0,0 +1,340 @@ +/*++
+
+Copyright (c) 2006, 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 common header file for this module.
+//
+#include "CommonHeader.h"
+
+#include <CpuDriver.h>
+
+#define IA32_MAX_IO_ADDRESS 0xFFFF
+#define IA32_MAX_MEM_ADDRESS 0xFFFFFFFF
+
+EFI_CPU_IO_PROTOCOL mCpuIoProtocol;
+
+EFI_STATUS
+CpuIoCheckAddressRange (
+ IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
+ IN UINT64 Address,
+ IN UINTN Count,
+ IN VOID *Buffer,
+ IN UINT64 Limit
+ );
+
+EFI_STATUS
+EFIAPI
+CpuMemoryServiceRead (
+ IN EFI_CPU_IO_PROTOCOL *This,
+ IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
+ IN UINT64 Address,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ )
+/*++
+
+Routine Description:
+
+ Perform the Memory Access Read service for the CPU I/O Protocol
+
+Arguments:
+
+ Pointer to an instance of the CPU I/O Protocol
+ Width of the Memory Access
+ Address of the Memory access
+ Count of the number of accesses to perform
+ Pointer to the buffer to read or write from memory
+
+Returns:
+
+ Status
+
+ EFI_SUCCESS - The data was read from or written to the EFI
+ System.
+ EFI_INVALID_PARAMETER - Width is invalid for this EFI System.
+ 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 for this EFI System.
+
+--*/
+// TODO: This - add argument and description to function comment
+{
+ EFI_STATUS Status;
+
+ if (!Buffer) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = CpuIoCheckAddressRange (Width, Address, Count, Buffer, IA32_MAX_MEM_ADDRESS);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Do nothing for Nt32 version
+ //
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+CpuMemoryServiceWrite (
+ IN EFI_CPU_IO_PROTOCOL *This,
+ IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
+ IN UINT64 Address,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ )
+/*++
+
+Routine Description:
+
+ Perform the Memory Access Read service for the CPU I/O Protocol
+
+Arguments:
+
+ Pointer to an instance of the CPU I/O Protocol
+ Width of the Memory Access
+ Address of the Memory access
+ Count of the number of accesses to perform
+ Pointer to the buffer to read or write from memory
+
+Returns:
+
+ Status
+
+ EFI_SUCCESS - The data was read from or written to the EFI System.
+ EFI_INVALID_PARAMETER - Width is invalid for this EFI System.
+ 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 for this EFI System.
+
+--*/
+// TODO: This - add argument and description to function comment
+{
+ EFI_STATUS Status;
+
+ if (!Buffer) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = CpuIoCheckAddressRange (Width, Address, Count, Buffer, IA32_MAX_MEM_ADDRESS);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Do nothing for Nt32 version
+ //
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+CpuIoServiceRead (
+ IN EFI_CPU_IO_PROTOCOL *This,
+ IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
+ IN UINT64 UserAddress,
+ IN UINTN Count,
+ IN OUT VOID *UserBuffer
+ )
+/*++
+
+Routine Description:
+
+ This is the service that implements the I/O read
+
+Arguments:
+
+ Pointer to an instance of the CPU I/O Protocol
+ Width of the Memory Access
+ Address of the I/O access
+ Count of the number of accesses to perform
+ Pointer to the buffer to read or write from I/O space
+
+Returns:
+
+ Status
+ EFI_SUCCESS - The data was read from or written to the EFI System.
+ EFI_INVALID_PARAMETER - Width is invalid for this EFI System.
+ 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 for this EFI System.
+--*/
+// TODO: This - add argument and description to function comment
+// TODO: UserAddress - add argument and description to function comment
+// TODO: UserBuffer - add argument and description to function comment
+{
+ UINTN Address;
+ EFI_STATUS Status;
+
+ if (!UserBuffer) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Address = (UINTN) UserAddress;
+
+ if (Width >= EfiCpuIoWidthMaximum) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = CpuIoCheckAddressRange (Width, Address, Count, UserBuffer, IA32_MAX_IO_ADDRESS);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Do nothing for Nt32 version
+ //
+ 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 OUT VOID *UserBuffer
+ )
+/*++
+
+Routine Description:
+
+
+ This is the service that implements the I/O Write
+
+Arguments:
+
+ Pointer to an instance of the CPU I/O Protocol
+ Width of the Memory Access
+ Address of the I/O access
+ Count of the number of accesses to perform
+ Pointer to the buffer to read or write from I/O space
+
+Returns:
+
+ Status
+
+ Status
+ EFI_SUCCESS - The data was read from or written to the EFI System.
+ EFI_INVALID_PARAMETER - Width is invalid for this EFI System.
+ 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 for this EFI System.
+
+--*/
+// TODO: This - add argument and description to function comment
+// TODO: UserAddress - add argument and description to function comment
+// TODO: UserBuffer - add argument and description to function comment
+{
+ UINTN Address;
+ EFI_STATUS Status;
+
+ if (!UserBuffer) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Address = (UINTN) UserAddress;
+
+ if (Width >= EfiCpuIoWidthMaximum) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = CpuIoCheckAddressRange (Width, Address, Count, UserBuffer, IA32_MAX_IO_ADDRESS);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Do nothing for Nt32 version
+ //
+ return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+CpuIoCheckAddressRange (
+ IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
+ IN UINT64 Address,
+ IN UINTN Count,
+ IN VOID *Buffer,
+ IN UINT64 Limit
+ )
+/*++
+
+Routine Description:
+
+ TODO: Add function description
+
+Arguments:
+
+ Width - TODO: add argument description
+ Address - TODO: add argument description
+ Count - TODO: add argument description
+ Buffer - TODO: add argument description
+ Limit - TODO: add argument description
+
+Returns:
+
+ EFI_UNSUPPORTED - TODO: Add description for return value
+ EFI_UNSUPPORTED - TODO: Add description for return value
+ EFI_UNSUPPORTED - TODO: Add description for return value
+ EFI_SUCCESS - TODO: Add description for return value
+
+--*/
+{
+ UINTN AlignMask;
+
+ 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 + (1 << Width) * Count > Limit) {
+ return EFI_UNSUPPORTED;
+ }
+
+ AlignMask = (1 << Width) - 1;
+ if ((UINTN) Buffer & AlignMask) {
+ return EFI_UNSUPPORTED;
+ }
+
+ return EFI_SUCCESS;
+}
+
+
diff --git a/Nt32Pkg/CpuRuntimeDxe/Strings.uni b/Nt32Pkg/CpuRuntimeDxe/Strings.uni Binary files differnew file mode 100644 index 000000000..fd70fb906 --- /dev/null +++ b/Nt32Pkg/CpuRuntimeDxe/Strings.uni |