diff options
Diffstat (limited to 'UnixPkg/CpuRuntimeDxe')
| -rw-r--r-- | UnixPkg/CpuRuntimeDxe/Cpu.c | 536 | ||||
| -rw-r--r-- | UnixPkg/CpuRuntimeDxe/Cpu.inf | 73 | ||||
| -rw-r--r-- | UnixPkg/CpuRuntimeDxe/Cpu.msa | 108 | ||||
| -rw-r--r-- | UnixPkg/CpuRuntimeDxe/CpuDriver.h | 163 | ||||
| -rw-r--r-- | UnixPkg/CpuRuntimeDxe/CpuIo.c | 350 | ||||
| -rw-r--r-- | UnixPkg/CpuRuntimeDxe/Strings.uni | bin | 0 -> 2036 bytes |
6 files changed, 1230 insertions, 0 deletions
diff --git a/UnixPkg/CpuRuntimeDxe/Cpu.c b/UnixPkg/CpuRuntimeDxe/Cpu.c new file mode 100644 index 0000000000..aef2c30ccd --- /dev/null +++ b/UnixPkg/CpuRuntimeDxe/Cpu.c @@ -0,0 +1,536 @@ +/*++
+
+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.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 "PiDxe.h"
+#include <Protocol/Cpu.h>
+#include <Protocol/DataHub.h>
+#include <Guid/DataHubRecords.h>
+#include <Protocol/CpuIo.h>
+#include <Protocol/FrameworkHii.h>
+#include <Guid/DataHubProducer.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 <Framework/DataHubRecords.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
+ },
+ 0,
+ TRUE
+};
+
+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
+//
+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;
+ 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;
+ 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;
+}
+
+VOID
+CpuUpdateDataHub (
+ 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_CPU_DATA_RECORD_BUFFER RecordBuffer;
+ UINT32 HeaderSize;
+ UINT32 TotalSize;
+ EFI_DATA_HUB_PROTOCOL *DataHub;
+ EFI_HII_HANDLE HiiHandle;
+
+ //
+ // 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 ;
+ }
+
+ //
+ // Initialize strings to HII database
+ //
+ HiiLibAddPackages (1, &gEfiProcessorProducerGuid, NULL, &HiiHandle, CpuStrings);
+
+
+ CopyMem (RecordBuffer.Raw, &mCpuDataRecordHeader, HeaderSize);
+
+
+ RecordBuffer.DataRecord->DataRecordHeader.RecordType = ProcessorVersionRecordType;
+ RecordBuffer.DataRecord->VariableRecord.ProcessorVersion = STRING_TOKEN (STR_INTEL_GENUINE_PROCESSOR);
+ TotalSize = HeaderSize + sizeof (EFI_PROCESSOR_VERSION_DATA);
+
+ Status = DataHub->LogData (
+ DataHub,
+ &gEfiProcessorSubClassGuid,
+ &gEfiProcessorProducerGuid,
+ EFI_DATA_RECORD_CLASS_DATA,
+ RecordBuffer.Raw,
+ TotalSize
+ );
+
+ //
+ // Store CPU frequency data record to data hub - It's an emulator so make up a value
+ //
+ RecordBuffer.DataRecord->DataRecordHeader.RecordType = ProcessorCoreFrequencyRecordType;
+ RecordBuffer.DataRecord->VariableRecord.ProcessorCoreFrequency.Value = 1234;
+ 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);
+}
+
+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;
+
+ CpuUpdateDataHub ();
+
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &mCpuTemplate.Handle,
+ &gEfiCpuArchProtocolGuid, &mCpuTemplate.Cpu,
+ &gEfiCpuIoProtocolGuid, &mCpuTemplate.CpuIo,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ DEBUG ((EFI_D_ERROR, "CPU Architectural Protocol Loaded\n"));
+
+ return Status;
+}
diff --git a/UnixPkg/CpuRuntimeDxe/Cpu.inf b/UnixPkg/CpuRuntimeDxe/Cpu.inf new file mode 100644 index 0000000000..a8613ff7b2 --- /dev/null +++ b/UnixPkg/CpuRuntimeDxe/Cpu.inf @@ -0,0 +1,73 @@ +#/** @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 - 2008, 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]
+ INF_VERSION = 0x00010005
+ BASE_NAME = Cpu
+ FILE_GUID = f3794b60-8985-11db-8e53-0040d02b1835
+ 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 X64 IPF EBC
+#
+
+[Sources.common]
+ CpuIo.c
+ Cpu.c
+ CpuDriver.h
+ Strings.uni
+
+
+[Packages]
+ IntelFrameworkPkg/IntelFrameworkPkg.dec
+ IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec
+ UnixPkg/UnixPkg.dec
+ MdePkg/MdePkg.dec
+
+
+[LibraryClasses]
+ UefiBootServicesTableLib
+ MemoryAllocationLib
+ BaseMemoryLib
+ UefiDriverEntryPoint
+ UefiLib
+ HiiLib
+ DebugLib
+ BaseLib
+
+
+[Guids]
+ gEfiProcessorSubClassGuid # SOMETIMES_CONSUMED
+ gEfiProcessorProducerGuid # SOMETIMES_CONSUMED
+
+
+[Protocols]
+ gEfiUnixIoProtocolGuid # PROTOCOL_NOTIFY SOMETIMES_CONSUMED
+ gEfiDataHubProtocolGuid # PROTOCOL SOMETIMES_CONSUMED
+ gEfiHiiProtocolGuid # PROTOCOL SOMETIMES_CONSUMED
+ gEfiCpuIoProtocolGuid # PROTOCOL ALWAYS_PRODUCED
+ gEfiCpuArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED
+
+
+[Depex]
+ gEfiDataHubProtocolGuid
\ No newline at end of file diff --git a/UnixPkg/CpuRuntimeDxe/Cpu.msa b/UnixPkg/CpuRuntimeDxe/Cpu.msa new file mode 100644 index 0000000000..b6be83fcb2 --- /dev/null +++ b/UnixPkg/CpuRuntimeDxe/Cpu.msa @@ -0,0 +1,108 @@ +<?xml version="1.0" encoding="UTF-8"?>
+<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0">
+ <MsaHeader>
+ <ModuleName>Cpu</ModuleName>
+ <ModuleType>DXE_DRIVER</ModuleType>
+ <GuidValue>f3794b60-8985-11db-8e53-0040d02b1835</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, 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 X64 IPF EBC</SupportedArchitectures>
+ <BinaryModule>false</BinaryModule>
+ <OutputFileBasename>Cpu</OutputFileBasename>
+ </ModuleDefinitions>
+ <LibraryClassDefinitions>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>BaseLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>DebugLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>HiiLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>UefiLib</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="68169ab0-d41b-4009-9060-292c253ac43d"/>
+ <Package PackageGuid="f2805c44-8985-11db-9e98-0040d02b1835"/>
+ </PackageDependencies>
+ <Protocols>
+ <Protocol Usage="ALWAYS_PRODUCED">
+ <ProtocolCName>gEfiCpuArchProtocolGuid</ProtocolCName>
+ </Protocol>
+ <Protocol Usage="ALWAYS_PRODUCED">
+ <ProtocolCName>gEfiCpuIoProtocolGuid</ProtocolCName>
+ </Protocol>
+ <Protocol Usage="SOMETIMES_CONSUMED">
+ <ProtocolCName>gEfiHiiProtocolGuid</ProtocolCName>
+ </Protocol>
+ <Protocol Usage="SOMETIMES_CONSUMED">
+ <ProtocolCName>gEfiDataHubProtocolGuid</ProtocolCName>
+ </Protocol>
+ <ProtocolNotify Usage="SOMETIMES_CONSUMED">
+ <ProtocolNotifyCName>gEfiUnixIoProtocolGuid</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>gEfiUnixCPUModelGuid</GuidCName>
+ </GuidCNames>
+ <GuidCNames Usage="SOMETIMES_CONSUMED">
+ <GuidCName>gEfiUnixCPUSpeedGuid</GuidCName>
+ </GuidCNames>
+ </Guids>
+ <Externs>
+ <Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
+ <Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
+ <Extern>
+ <ModuleEntryPoint>InitializeCpu</ModuleEntryPoint>
+ </Extern>
+ </Externs>
+</ModuleSurfaceArea> diff --git a/UnixPkg/CpuRuntimeDxe/CpuDriver.h b/UnixPkg/CpuRuntimeDxe/CpuDriver.h new file mode 100644 index 0000000000..8898143cfc --- /dev/null +++ b/UnixPkg/CpuRuntimeDxe/CpuDriver.h @@ -0,0 +1,163 @@ +/*++
+
+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:
+
+ UNIX Emulation Architectural Protocol Driver as defined in Tiano.
+
+--*/
+
+#ifndef _CPU_ARCHITECTURAL_PROTOCOL_DRIVER_H_
+#define _CPU_ARCHITECTURAL_PROTOCOL_DRIVER_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
+ //
+ 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
+ );
+
+EFI_STATUS
+EFIAPI
+InitializeCpu (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+EFI_STATUS
+EFIAPI
+UnixFlushCpuDataCache (
+ IN EFI_CPU_ARCH_PROTOCOL *This,
+ IN EFI_PHYSICAL_ADDRESS Start,
+ IN UINT64 Length,
+ IN EFI_CPU_FLUSH_TYPE FlushType
+ );
+
+EFI_STATUS
+EFIAPI
+UnixEnableInterrupt (
+ IN EFI_CPU_ARCH_PROTOCOL *This
+ );
+
+EFI_STATUS
+EFIAPI
+UnixDisableInterrupt (
+ IN EFI_CPU_ARCH_PROTOCOL *This
+ );
+
+EFI_STATUS
+EFIAPI
+UnixGetInterruptState (
+ IN EFI_CPU_ARCH_PROTOCOL *This,
+ OUT BOOLEAN *State
+ );
+
+EFI_STATUS
+EFIAPI
+UnixInit (
+ IN EFI_CPU_ARCH_PROTOCOL *This,
+ IN EFI_CPU_INIT_TYPE InitType
+ );
+
+EFI_STATUS
+EFIAPI
+UnixRegisterInterruptHandler (
+ IN EFI_CPU_ARCH_PROTOCOL *This,
+ IN EFI_EXCEPTION_TYPE InterruptType,
+ IN EFI_CPU_INTERRUPT_HANDLER InterruptHandler
+ );
+
+EFI_STATUS
+EFIAPI
+UnixGetTimerValue (
+ IN EFI_CPU_ARCH_PROTOCOL *This,
+ IN UINT32 TimerIndex,
+ OUT UINT64 *TimerValue,
+ OUT UINT64 *TimerPeriod OPTIONAL
+ );
+
+EFI_STATUS
+EFIAPI
+UnixSetMemoryAttributes (
+ IN EFI_CPU_ARCH_PROTOCOL *This,
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,
+ IN UINT64 Length,
+ IN UINT64 Attributes
+ );
+
+#endif
diff --git a/UnixPkg/CpuRuntimeDxe/CpuIo.c b/UnixPkg/CpuRuntimeDxe/CpuIo.c new file mode 100644 index 0000000000..2360fff5fc --- /dev/null +++ b/UnixPkg/CpuRuntimeDxe/CpuIo.c @@ -0,0 +1,350 @@ +/*++
+
+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 "PiDxe.h"
+#include <Protocol/Cpu.h>
+#include <Protocol/DataHub.h>
+#include <Guid/DataHubRecords.h>
+#include <Protocol/CpuIo.h>
+#include <Protocol/FrameworkHii.h>
+#include <Guid/DataHubProducer.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 <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/UnixPkg/CpuRuntimeDxe/Strings.uni b/UnixPkg/CpuRuntimeDxe/Strings.uni Binary files differnew file mode 100644 index 0000000000..fd70fb9068 --- /dev/null +++ b/UnixPkg/CpuRuntimeDxe/Strings.uni |