diff options
Diffstat (limited to 'UnixPkg/CpuRuntimeDxe/Cpu.c')
| -rw-r--r-- | UnixPkg/CpuRuntimeDxe/Cpu.c | 556 |
1 files changed, 0 insertions, 556 deletions
diff --git a/UnixPkg/CpuRuntimeDxe/Cpu.c b/UnixPkg/CpuRuntimeDxe/Cpu.c deleted file mode 100644 index 54c784e..0000000 --- a/UnixPkg/CpuRuntimeDxe/Cpu.c +++ /dev/null @@ -1,556 +0,0 @@ -/*++
-
-Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
-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:
-
- Unix 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 <FrameworkDxe.h>
-#include <IndustryStandard/SmBios.h>
-#include <Protocol/Cpu.h>
-#include <Protocol/Smbios.h>
-#include <Guid/DataHubRecords.h>
-#include <Protocol/CpuIo2.h>
-#include <Protocol/FrameworkHii.h>
-#include <Protocol/UnixThunk.h>
-
-#include <Library/BaseLib.h>
-#include <Library/DebugLib.h>
-#include <Library/HiiLib.h>
-#include <Library/UefiLib.h>
-#include <Library/UefiDriverEntryPoint.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/UnixLib.h>
-
-#include "CpuDriver.h"
-#include "UnixDxe.h"
-#include <Protocol/UnixIo.h>
-
-#define EFI_CPU_DATA_MAXIMUM_LENGTH 0x100
-
-CPU_ARCH_PROTOCOL_PRIVATE mCpuTemplate = {
- CPU_ARCH_PROT_PRIVATE_SIGNATURE,
- NULL,
- {
- UnixFlushCpuDataCache,
- UnixEnableInterrupt,
- UnixDisableInterrupt,
- UnixGetInterruptState,
- UnixInit,
- UnixRegisterInterruptHandler,
- UnixGetTimerValue,
- UnixSetMemoryAttributes,
- 0,
- 4
- },
- {
- {
- CpuMemoryServiceRead,
- CpuMemoryServiceWrite
- },
- {
- CpuIoServiceRead,
- CpuIoServiceWrite
- }
- },
- TRUE
-};
-
-
-//
-// Service routines for the driver
-//
-EFI_STATUS
-EFIAPI
-UnixFlushCpuDataCache (
- 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 UNIX 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 UNIX emulator
- // environment. Classify this to follow EFI spec
- //
- return EFI_SUCCESS;
- }
- //
- // Other flush types are not supported by UNIX emulator
- //
- return EFI_UNSUPPORTED;
-}
-
-EFI_STATUS
-EFIAPI
-UnixEnableInterrupt (
- 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;
- gUnix->EnableInterrupt ();
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-EFIAPI
-UnixDisableInterrupt (
- 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;
- gUnix->DisableInterrupt ();
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-EFIAPI
-UnixGetInterruptState (
- 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;
-}
-
-EFI_STATUS
-EFIAPI
-UnixInit (
- 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;
-}
-
-EFI_STATUS
-EFIAPI
-UnixRegisterInterruptHandler (
- 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;
-}
-
-EFI_STATUS
-EFIAPI
-UnixGetTimerValue (
- 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;
-}
-
-EFI_STATUS
-EFIAPI
-UnixSetMemoryAttributes (
- 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;
-}
-
-
-
-/**
- Logs SMBIOS record.
-
- @param Smbios Pointer to SMBIOS protocol instance.
- @param Buffer Pointer to the data buffer.
-
-**/
-VOID
-LogSmbiosData (
- IN EFI_SMBIOS_PROTOCOL *Smbios,
- IN UINT8 *Buffer
- )
-{
- EFI_STATUS Status;
- EFI_SMBIOS_HANDLE SmbiosHandle;
-
- SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
- Status = Smbios->Add (
- Smbios,
- NULL,
- &SmbiosHandle,
- (EFI_SMBIOS_TABLE_HEADER*)Buffer
- );
- ASSERT_EFI_ERROR (Status);
-}
-
-VOID
-CpuUpdateSmbios (
- VOID
- )
-/*++
-
-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_SMBIOS_PROTOCOL *Smbios;
- UINT32 TotalSize;
- EFI_HII_HANDLE HiiHandle;
- STRING_REF Token;
- UINTN CpuVerStrLen;
- EFI_STRING CpuVerStr;
- SMBIOS_TABLE_TYPE4 *SmbiosRecord;
- CHAR8 *OptionalStrStart;
-
- //
- // Locate Smbios protocol.
- //
- Status = gBS->LocateProtocol (&gEfiSmbiosProtocolGuid, NULL, (VOID **)&Smbios);
-
- if (EFI_ERROR (Status)) {
- return;
- }
-
- //
- // Initialize strings to HII database
- //
- HiiHandle = HiiAddPackages (
- &gEfiCallerIdGuid,
- NULL,
- CpuStrings,
- NULL
- );
- ASSERT (HiiHandle != NULL);
-
-
- Token = STRING_TOKEN (STR_INTEL_GENUINE_PROCESSOR);
- CpuVerStr = HiiGetPackageString(&gEfiCallerIdGuid, Token, NULL);
- CpuVerStrLen = StrLen(CpuVerStr);
- ASSERT (CpuVerStrLen <= SMBIOS_STRING_MAX_LENGTH);
-
- TotalSize = sizeof(SMBIOS_TABLE_TYPE4) + CpuVerStrLen + 1 + 1;
- SmbiosRecord = AllocatePool(TotalSize);
- ZeroMem(SmbiosRecord, TotalSize);
-
- SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_PROCESSOR_INFORMATION;
- SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE4);
- //
- // Make handle chosen by smbios protocol.add automatically.
- //
- SmbiosRecord->Hdr.Handle = 0;
- //
- // Processor version is the 1st string.
- //
- SmbiosRecord->ProcessorVersion = 1;
- //
- // Store CPU frequency data record to data hub - It's an emulator so make up a value
- //
- SmbiosRecord->CurrentSpeed = 1234;
-
- OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
- UnicodeStrToAsciiStr(CpuVerStr, OptionalStrStart);
-
- //
- // Now we have got the full smbios record, call smbios protocol to add this record.
- //
- LogSmbiosData(Smbios, (UINT8 *) SmbiosRecord);
- FreePool (SmbiosRecord);
-}
-
-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;
-
- CpuUpdateSmbios ();
-
- Status = gBS->InstallMultipleProtocolInterfaces (
- &mCpuTemplate.Handle,
- &gEfiCpuArchProtocolGuid, &mCpuTemplate.Cpu,
- &gEfiCpuIo2ProtocolGuid, &mCpuTemplate.CpuIo,
- NULL
- );
- ASSERT_EFI_ERROR (Status);
-
- DEBUG ((EFI_D_ERROR, "CPU Architectural Protocol Loaded\n"));
-
- return Status;
-}
|