Initial import.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
@@ -0,0 +1,266 @@
|
||||
/*++
|
||||
|
||||
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:
|
||||
|
||||
MonotonicCounter.c
|
||||
|
||||
Abstract:
|
||||
|
||||
Produced the Monotonic Counter Services as defined in the DXE CIS
|
||||
|
||||
Revision History:
|
||||
|
||||
--*/
|
||||
|
||||
#include "MonotonicCounter.h"
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||||
|
||||
//
|
||||
// The Monotonic Counter Handle
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||||
//
|
||||
EFI_HANDLE mMonotonicCounterHandle = NULL;
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||||
|
||||
//
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||||
// The current Monotonic count value
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||||
//
|
||||
UINT64 mEfiMtc;
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||||
|
||||
|
||||
//
|
||||
// Event to use to update the Mtc's high part when wrapping
|
||||
//
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||||
EFI_EVENT mEfiMtcEvent;
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||||
|
||||
//
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||||
// EfiMtcName - Variable name of the MTC value
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||||
//
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||||
CHAR16 *mEfiMtcName = (CHAR16 *) L"MTC";
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||||
|
||||
//
|
||||
// EfiMtcGuid - Guid of the MTC value
|
||||
//
|
||||
EFI_GUID mEfiMtcGuid = { 0xeb704011, 0x1402, 0x11d3, { 0x8e, 0x77, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b } };
|
||||
|
||||
//
|
||||
// Worker functions
|
||||
//
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||||
EFI_STATUS
|
||||
EFIAPI
|
||||
MonotonicCounterDriverGetNextMonotonicCount (
|
||||
OUT UINT64 *Count
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Arguments:
|
||||
|
||||
Returns:
|
||||
|
||||
--*/
|
||||
{
|
||||
EFI_TPL OldTpl;
|
||||
|
||||
//
|
||||
// Can not be called after ExitBootServices()
|
||||
//
|
||||
if (EfiAtRuntime ()) {
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
//
|
||||
// Check input parameters
|
||||
//
|
||||
if (Count == NULL) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
//
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||||
// Update the monotonic counter with a lock
|
||||
//
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||||
OldTpl = gBS->RaiseTPL (EFI_TPL_HIGH_LEVEL);
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||||
*Count = mEfiMtc;
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mEfiMtc++;
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gBS->RestoreTPL (OldTpl);
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||||
|
||||
//
|
||||
// If the MSB bit of the low part toggled, then signal that the high
|
||||
// part needs updated now
|
||||
//
|
||||
if ((((UINT32) mEfiMtc) ^ ((UINT32) *Count)) & 0x80000000) {
|
||||
gBS->SignalEvent (mEfiMtcEvent);
|
||||
}
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
MonotonicCounterDriverGetNextHighMonotonicCount (
|
||||
OUT UINT32 *HighCount
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Arguments:
|
||||
|
||||
Returns:
|
||||
|
||||
--*/
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
EFI_TPL OldTpl;
|
||||
|
||||
//
|
||||
// Check input parameters
|
||||
//
|
||||
if (HighCount == NULL) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
if (!EfiAtRuntime ()) {
|
||||
//
|
||||
// Use a lock if called before ExitBootServices()
|
||||
//
|
||||
OldTpl = gBS->RaiseTPL (EFI_TPL_HIGH_LEVEL);
|
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*HighCount = (UINT32) RShiftU64 (mEfiMtc, 32) + 1;
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||||
mEfiMtc = LShiftU64 (*HighCount, 32);
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gBS->RestoreTPL (OldTpl);
|
||||
} else {
|
||||
*HighCount = (UINT32) RShiftU64 (mEfiMtc, 32) + 1;
|
||||
mEfiMtc = LShiftU64 (*HighCount, 32);
|
||||
}
|
||||
//
|
||||
// Update the NvRam store to match the new high part
|
||||
//
|
||||
Status = gRT->SetVariable (
|
||||
mEfiMtcName,
|
||||
&mEfiMtcGuid,
|
||||
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS,
|
||||
sizeof (UINT32),
|
||||
HighCount
|
||||
);
|
||||
|
||||
return Status;
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||||
}
|
||||
|
||||
VOID
|
||||
EFIAPI
|
||||
EfiMtcEventHandler (
|
||||
IN EFI_EVENT Event,
|
||||
IN VOID *Context
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Monotonic count event handler. This handler updates the high monotonic count.
|
||||
|
||||
Arguments:
|
||||
|
||||
Event The event to handle
|
||||
Context The event context
|
||||
|
||||
Returns:
|
||||
|
||||
EFI_SUCCESS The event has been handled properly
|
||||
EFI_NOT_FOUND An error occurred updating the variable.
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||||
|
||||
--*/
|
||||
{
|
||||
UINT32 HighCount;
|
||||
|
||||
MonotonicCounterDriverGetNextHighMonotonicCount (&HighCount);
|
||||
}
|
||||
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
MonotonicCounterDriverInitialize (
|
||||
IN EFI_HANDLE ImageHandle,
|
||||
IN EFI_SYSTEM_TABLE *SystemTable
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Arguments:
|
||||
(Standard EFI Image entry - EFI_IMAGE_ENTRY_POINT)
|
||||
|
||||
Returns:
|
||||
|
||||
--*/
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
UINT32 HighCount;
|
||||
UINTN BufferSize;
|
||||
|
||||
//
|
||||
// Make sure the Monotonic Counter Architectural Protocol is not already installed in the system
|
||||
//
|
||||
ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiMonotonicCounterArchProtocolGuid);
|
||||
|
||||
//
|
||||
// Initialize event to handle overflows
|
||||
//
|
||||
Status = gBS->CreateEvent (
|
||||
EFI_EVENT_NOTIFY_SIGNAL,
|
||||
EFI_TPL_CALLBACK,
|
||||
EfiMtcEventHandler,
|
||||
NULL,
|
||||
&mEfiMtcEvent
|
||||
);
|
||||
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
//
|
||||
// Read the last high part
|
||||
//
|
||||
BufferSize = sizeof (UINT32);
|
||||
Status = gRT->GetVariable (
|
||||
mEfiMtcName,
|
||||
&mEfiMtcGuid,
|
||||
NULL,
|
||||
&BufferSize,
|
||||
&HighCount
|
||||
);
|
||||
if (EFI_ERROR (Status)) {
|
||||
HighCount = 0;
|
||||
}
|
||||
//
|
||||
// Set the current value
|
||||
//
|
||||
mEfiMtc = LShiftU64 (HighCount, 32);
|
||||
|
||||
//
|
||||
// Increment the upper 32 bits for this boot
|
||||
// Continue even if it fails. It will only fail if the variable services are
|
||||
// not functional.
|
||||
//
|
||||
Status = MonotonicCounterDriverGetNextHighMonotonicCount (&HighCount);
|
||||
|
||||
//
|
||||
// Fill in the EFI Boot Services and EFI Runtime Services Monotonic Counter Fields
|
||||
//
|
||||
gBS->GetNextMonotonicCount = MonotonicCounterDriverGetNextMonotonicCount;
|
||||
gRT->GetNextHighMonotonicCount = MonotonicCounterDriverGetNextHighMonotonicCount;
|
||||
|
||||
//
|
||||
// Install the Monotonic Counter Architctural Protocol onto a new handle
|
||||
//
|
||||
Status = gBS->InstallMultipleProtocolInterfaces (
|
||||
&mMonotonicCounterHandle,
|
||||
&gEfiMonotonicCounterArchProtocolGuid,
|
||||
NULL,
|
||||
NULL
|
||||
);
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
@@ -0,0 +1,27 @@
|
||||
/*++
|
||||
|
||||
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:
|
||||
|
||||
MonotonicCounter.dxs
|
||||
|
||||
Abstract:
|
||||
|
||||
Dependency expression source file.
|
||||
|
||||
--*/
|
||||
#include <AutoGen.h>
|
||||
#include <DxeDepex.h>
|
||||
|
||||
DEPENDENCY_START
|
||||
EFI_VARIABLE_ARCH_PROTOCOL_GUID AND
|
||||
EFI_VARIABLE_WRITE_ARCH_PROTOCOL_GUID
|
||||
DEPENDENCY_END
|
@@ -0,0 +1,36 @@
|
||||
/*++
|
||||
|
||||
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:
|
||||
|
||||
MonotonicCounter.h
|
||||
|
||||
Abstract:
|
||||
|
||||
Produces the Monotonic Counter services as defined in the DXE CIS
|
||||
|
||||
--*/
|
||||
|
||||
#ifndef _MONOTONIC_COUNTER_DRIVER_H_
|
||||
#define _MONOTONIC_COUNTER_DRIVER_H_
|
||||
|
||||
//
|
||||
// Function Prototypes
|
||||
//
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
MonotonicCounterDriverInitialize (
|
||||
IN EFI_HANDLE ImageHandle,
|
||||
IN EFI_SYSTEM_TABLE *SystemTable
|
||||
)
|
||||
;
|
||||
|
||||
#endif
|
@@ -0,0 +1,47 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<!--
|
||||
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.
|
||||
-->
|
||||
<ModuleBuildDescription xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.TianoCore.org/2006/Edk2.0 http://www.TianoCore.org/2006/Edk2.0/SurfaceArea.xsd">
|
||||
<MbdHeader>
|
||||
<BaseName>MonotonicCounter</BaseName>
|
||||
<Guid>AD608272-D07F-4964-801E-7BD3B7888652</Guid>
|
||||
<Version>0</Version>
|
||||
<Description>FIX ME!</Description>
|
||||
<Copyright>Copyright (c) 2004-2006, 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>
|
||||
<Created>2006-03-22 14:36</Created>
|
||||
</MbdHeader>
|
||||
<Libraries>
|
||||
<Library>UefiBootServicesTableLib</Library>
|
||||
<Library>UefiRuntimeServicesTableLib</Library>
|
||||
<Library>BaseLib</Library>
|
||||
<Library>BaseMemoryLib</Library>
|
||||
<Library>UefiLib</Library>
|
||||
<Library>UefiDriverEntryPoint</Library>
|
||||
<Library>DxeReportStatusCodeLib</Library>
|
||||
<Library>BaseDebugLibReportStatusCode</Library>
|
||||
<Library>DxeMemoryAllocationLib</Library>
|
||||
<Library>EdkDxeRuntimeDriverLib</Library>
|
||||
<Arch ArchType="IPF">
|
||||
<Library>EdkDxeSalLib</Library>
|
||||
</Arch>
|
||||
</Libraries>
|
||||
<BuildOptions ToolChain="MSFT">
|
||||
<ImageEntryPoint>_ModuleEntryPoint</ImageEntryPoint>
|
||||
</BuildOptions>
|
||||
</ModuleBuildDescription>
|
@@ -0,0 +1,70 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<!--
|
||||
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.
|
||||
-->
|
||||
<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.TianoCore.org/2006/Edk2.0 http://www.TianoCore.org/2006/Edk2.0/SurfaceArea.xsd">
|
||||
<MsaHeader>
|
||||
<BaseName>MonotonicCounter</BaseName>
|
||||
<ModuleType>DXE_RUNTIME_DRIVER</ModuleType>
|
||||
<ComponentType>RT_DRIVER</ComponentType>
|
||||
<Guid>AD608272-D07F-4964-801E-7BD3B7888652</Guid>
|
||||
<Version>0</Version>
|
||||
<Abstract>Component description file for DiskIo module.</Abstract>
|
||||
<Description>FIX ME!</Description>
|
||||
<Copyright>Copyright (c) 2004-2006, 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>0</Specification>
|
||||
<Created>2006-03-22 14:36</Created>
|
||||
</MsaHeader>
|
||||
<LibraryClassDefinitions>
|
||||
<LibraryClass Usage="ALWAYS_CONSUMED">BaseLib</LibraryClass>
|
||||
<LibraryClass Usage="ALWAYS_CONSUMED">UefiLib</LibraryClass>
|
||||
<LibraryClass Usage="ALWAYS_CONSUMED">UefiDriverEntryPoint</LibraryClass>
|
||||
<LibraryClass Usage="ALWAYS_CONSUMED">DxeRuntimeDriverLib</LibraryClass>
|
||||
<LibraryClass Usage="ALWAYS_CONSUMED">DebugLib</LibraryClass>
|
||||
<LibraryClass Usage="ALWAYS_CONSUMED">MemoryAllocationLib</LibraryClass>
|
||||
<LibraryClass Usage="ALWAYS_CONSUMED">UefiBootServicesTableLib</LibraryClass>
|
||||
<LibraryClass Usage="ALWAYS_CONSUMED">UefiRuntimeServicesTableLib</LibraryClass>
|
||||
</LibraryClassDefinitions>
|
||||
<SourceFiles>
|
||||
<Filename>MonotonicCounter.c</Filename>
|
||||
<Filename>MonotonicCounter.h</Filename>
|
||||
<Filename>MonotonicCounter.dxs</Filename>
|
||||
</SourceFiles>
|
||||
<Includes>
|
||||
<PackageName>MdePkg</PackageName>
|
||||
<PackageName>EdkModulePkg</PackageName>
|
||||
</Includes>
|
||||
<Protocols>
|
||||
<Protocol Usage="ALWAYS_PRODUCED">MonotonicCounter</Protocol>
|
||||
</Protocols>
|
||||
<Variables>
|
||||
<Variable Usage="PRIVATE">
|
||||
<String>MTC</String>
|
||||
<Guid>0xeb704011, 0x1402, 0x11d3, 0x8e, 0x77, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b</Guid>
|
||||
</Variable>
|
||||
</Variables>
|
||||
<Externs>
|
||||
<Extern>
|
||||
<ModuleEntryPoint>MonotonicCounterDriverInitialize</ModuleEntryPoint>
|
||||
</Extern>
|
||||
<Extern>
|
||||
<SetVirtualAddressMapCallBack></SetVirtualAddressMapCallBack>
|
||||
<ExitBootServicesCallBack></ExitBootServicesCallBack>
|
||||
</Extern>
|
||||
</Externs>
|
||||
</ModuleSurfaceArea>
|
47
EdkModulePkg/Universal/MonotonicCounter/RuntimeDxe/build.xml
Normal file
47
EdkModulePkg/Universal/MonotonicCounter/RuntimeDxe/build.xml
Normal file
@@ -0,0 +1,47 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?><!-- 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.-->
|
||||
<project basedir="." default="MonotonicCounter"><!--Apply external ANT tasks-->
|
||||
<taskdef resource="GenBuild.tasks"/>
|
||||
<taskdef resource="net/sf/antcontrib/antlib.xml"/>
|
||||
<property environment="env"/>
|
||||
<property name="WORKSPACE_DIR" value="${env.WORKSPACE}"/>
|
||||
<import file="${WORKSPACE_DIR}\Tools\Conf\BuildMacro.xml"/><!--MODULE_RELATIVE PATH is relative to PACKAGE_DIR-->
|
||||
<property name="MODULE_RELATIVE_PATH" value="Universal\MonotonicCounter\RuntimeDxe"/>
|
||||
<property name="MODULE_DIR" value="${PACKAGE_DIR}\${MODULE_RELATIVE_PATH}"/>
|
||||
<property name="COMMON_FILE" value="${WORKSPACE_DIR}\Tools\Conf\Common.xml"/>
|
||||
<target name="MonotonicCounter">
|
||||
<GenBuild baseName="MonotonicCounter" mbdFilename="${MODULE_DIR}\MonotonicCounter.mbd" msaFilename="${MODULE_DIR}\MonotonicCounter.msa"/>
|
||||
</target>
|
||||
<target depends="MonotonicCounter_clean" name="clean"/>
|
||||
<target depends="MonotonicCounter_cleanall" name="cleanall"/>
|
||||
<target name="MonotonicCounter_clean">
|
||||
<OutputDirSetup baseName="MonotonicCounter" mbdFilename="${MODULE_DIR}\MonotonicCounter.mbd" msaFilename="${MODULE_DIR}\MonotonicCounter.msa"/>
|
||||
<if>
|
||||
<available file="${DEST_DIR_OUTPUT}\MonotonicCounter_build.xml"/>
|
||||
<then>
|
||||
<ant antfile="${DEST_DIR_OUTPUT}\MonotonicCounter_build.xml" target="clean"/>
|
||||
</then>
|
||||
</if>
|
||||
<delete dir="${DEST_DIR_OUTPUT}" excludes="*.xml"/>
|
||||
</target>
|
||||
<target name="MonotonicCounter_cleanall">
|
||||
<OutputDirSetup baseName="MonotonicCounter" mbdFilename="${MODULE_DIR}\MonotonicCounter.mbd" msaFilename="${MODULE_DIR}\MonotonicCounter.msa"/>
|
||||
<if>
|
||||
<available file="${DEST_DIR_OUTPUT}\MonotonicCounter_build.xml"/>
|
||||
<then>
|
||||
<ant antfile="${DEST_DIR_OUTPUT}\MonotonicCounter_build.xml" target="cleanall"/>
|
||||
</then>
|
||||
</if>
|
||||
<delete dir="${DEST_DIR_OUTPUT}"/>
|
||||
<delete dir="${DEST_DIR_DEBUG}"/>
|
||||
<delete>
|
||||
<fileset dir="${BIN_DIR}" includes="**MonotonicCounter*"/>
|
||||
</delete>
|
||||
</target>
|
||||
</project>
|
Reference in New Issue
Block a user