X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=Nt32Pkg%2FCpuRuntimeDxe%2FCpu.c;fp=Nt32Pkg%2FCpuRuntimeDxe%2FCpu.c;h=0000000000000000000000000000000000000000;hb=7afa0cea8f2ccedc231f1208609148a38c958a64;hp=8bf93ae60782c466a2351bcc77e792f44e1df41d;hpb=4d5d7812786db947e476b4d850698b465d0e2d99;p=mirror_edk2.git diff --git a/Nt32Pkg/CpuRuntimeDxe/Cpu.c b/Nt32Pkg/CpuRuntimeDxe/Cpu.c deleted file mode 100644 index 8bf93ae607..0000000000 --- a/Nt32Pkg/CpuRuntimeDxe/Cpu.c +++ /dev/null @@ -1,547 +0,0 @@ -/**@file - -Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.
-SPDX-License-Identifier: BSD-2-Clause-Patent - -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" - -UINT64 mTimerPeriod; - -CPU_ARCH_PROTOCOL_PRIVATE mCpuTemplate = { - CPU_ARCH_PROT_PRIVATE_SIGNATURE, - NULL, - { - WinNtFlushCpuDataCache, - WinNtEnableInterrupt, - WinNtDisableInterrupt, - WinNtGetInterruptState, - WinNtInit, - WinNtRegisterInterruptHandler, - WinNtGetTimerValue, - WinNtSetMemoryAttributes, - 1, - 4 - }, - { - CpuMemoryServiceRead, - CpuMemoryServiceWrite, - CpuIoServiceRead, - CpuIoServiceWrite - }, - 0, - TRUE -}; - -#define EFI_CPU_DATA_MAXIMUM_LENGTH 0x100 - - - -// -// Service routines for the driver -// -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; -} - - -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; -} - - -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; -} - - -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; -} - - -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 -{ - return EFI_UNSUPPORTED; -} - - -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 -{ - - // - // Do parameter checking for EFI spec conformance - // - if (InterruptType < 0 || InterruptType > 0xff) { - return EFI_UNSUPPORTED; - } - // - // Do nothing for Nt32 emulation - // - return EFI_UNSUPPORTED; -} - - -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; - } - - if (TimerIndex != 0) { - return EFI_INVALID_PARAMETER; - } - - gWinNt->QueryPerformanceCounter ((LARGE_INTEGER *)TimerValue); - - if (TimerPeriod != NULL) { - *TimerPeriod = mTimerPeriod; - } - - return EFI_SUCCESS; -} - - -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 -{ - // - // Check for invalid parameter for Spec conformance - // - if (Length == 0) { - return EFI_INVALID_PARAMETER; - } - - // - // Do nothing for Nt32 emulation - // - 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 Smbios. - -Arguments: - Event - Event whose notification function is being invoked. - Context - Pointer to the notification function's context. - -Returns: - None. - ---*/ -{ - EFI_STATUS Status; - UINT32 TotalSize; - EFI_SMBIOS_PROTOCOL *Smbios; - 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_PROCESSOR_VERSION); - CpuVerStr = HiiGetPackageString(&gEfiCallerIdGuid, Token, NULL); - CpuVerStrLen = StrLen(CpuVerStr); - ASSERT (CpuVerStrLen <= SMBIOS_STRING_MAX_LENGTH); - - - TotalSize = (UINT32)(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 - ---*/ -{ - EFI_STATUS Status; - UINT64 Frequency; - - // - // Retrieve the frequency of the performance counter in Hz. - // - gWinNt->QueryPerformanceFrequency ((LARGE_INTEGER *)&Frequency); - - // - // Convert frequency in Hz to a clock period in femtoseconds. - // - mTimerPeriod = DivU64x64Remainder (1000000000000000, Frequency, NULL); - - CpuUpdateSmbios (); - - Status = gBS->InstallMultipleProtocolInterfaces ( - &mCpuTemplate.Handle, - &gEfiCpuArchProtocolGuid, &mCpuTemplate.Cpu, - &gEfiCpuIo2ProtocolGuid, &mCpuTemplate.CpuIo, - NULL - ); - ASSERT_EFI_ERROR (Status); - - return Status; -}