diff options
Diffstat (limited to 'EdkNt32Pkg/Dxe/WinNtThunk/Cpu/Cpu.c')
| -rw-r--r-- | EdkNt32Pkg/Dxe/WinNtThunk/Cpu/Cpu.c | 726 |
1 files changed, 0 insertions, 726 deletions
diff --git a/EdkNt32Pkg/Dxe/WinNtThunk/Cpu/Cpu.c b/EdkNt32Pkg/Dxe/WinNtThunk/Cpu/Cpu.c deleted file mode 100644 index d732a5ca5d..0000000000 --- a/EdkNt32Pkg/Dxe/WinNtThunk/Cpu/Cpu.c +++ /dev/null @@ -1,726 +0,0 @@ -/*++
-
-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 "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
- );
- }
-}
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