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Import the UefiRuntimeLib in MdePkg. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2787 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
yshang1 2007-06-27 07:22:18 +00:00
parent 7c6d55db88
commit ebcc8fb7ba
4 changed files with 720 additions and 0 deletions
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173
MdePkg/Library/UefiRuntimeLib/RuntimeLib.c Normal file
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/**@file
Library utility functions for Runtime driver.
Copyright (c) 2006 Intel Corporation. <BR>
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.
**/
#include <RuntimeLibInternal.h>
///
/// Driver Lib Module Globals
///
STATIC EFI_EVENT mEfiVirtualNotifyEvent;
STATIC BOOLEAN mEfiGoneVirtual = FALSE;
STATIC BOOLEAN mEfiAtRuntime = FALSE;
EFI_RUNTIME_SERVICES *mRT;
/**
Set AtRuntime flag as TRUE after ExitBootServices
@param[in] Event The Event that is being processed
@param[in] Context Event Context
**/
VOID
EFIAPI
RuntimeDriverExitBootServices (
IN EFI_EVENT Event,
IN VOID *Context
)
{
//
// Clear out BootService globals
//
gBS = NULL;
mEfiAtRuntime = TRUE;
}
/**
Fixup internal data so that EFI can be call in virtual mode.
Call the passed in Child Notify event and convert any pointers in
lib to virtual mode.
@param[in] Event The Event that is being processed
@param[in] Context Event Context
**/
STATIC
VOID
EFIAPI
RuntimeLibVirtualNotifyEvent (
IN EFI_EVENT Event,
IN VOID *Context
)
{
UINTN Index;
EFI_EVENT_NOTIFY ChildNotifyEventHandler;
for (Index = 0;
_gDriverSetVirtualAddressMapEvent[Index] != NULL;
Index++) {
ChildNotifyEventHandler = _gDriverSetVirtualAddressMapEvent[Index];
ChildNotifyEventHandler (Event, NULL);
}
//
// Update global for Runtime Services Table and IO
//
EfiConvertPointer (0, (VOID **) &mRT);
mEfiGoneVirtual = TRUE;
}
/**
Intialize runtime Driver Lib if it has not yet been initialized.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@param[in] SystemTable A pointer to the EFI System Table.
@return EFI_STATUS always returns EFI_SUCCESS except EFI_ALREADY_STARTED if already started.
**/
EFI_STATUS
EFIAPI
RuntimeDriverLibConstruct (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
ASSERT (SystemTable != NULL);
mRT = SystemTable->RuntimeServices;
ASSERT (mRT != NULL);
//
// Register SetVirtualAddressMap () notify function
//
ASSERT (gBS != NULL);
Status = gBS->CreateEvent (
EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE,
TPL_NOTIFY,
RuntimeLibVirtualNotifyEvent,
NULL,
&mEfiVirtualNotifyEvent
);
ASSERT_EFI_ERROR (Status);
return Status;
}
/**
This routine will free some resources which have been allocated in
EfiInitializeRuntimeDriverLib(). If a runtime driver exits with an error,
it must call this routine to free the allocated resource before the exiting.
@retval EFI_SUCCESS Shutdown the Runtime Driver Lib successfully
@retval EFI_UNSUPPORTED Runtime Driver lib was not initialized at all
**/
EFI_STATUS
EFIAPI
RuntimeDriverLibDeconstruct (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
//
// Close SetVirtualAddressMap () notify function
//
ASSERT (gBS != NULL);
Status = gBS->CloseEvent (mEfiVirtualNotifyEvent);
ASSERT_EFI_ERROR (Status);
return Status;
}
/**
Return TRUE if ExitBootServices () has been called
@retval TRUE If ExitBootServices () has been called
**/
BOOLEAN
EFIAPI
EfiAtRuntime (
VOID
)
{
return mEfiAtRuntime;
}
/**
Return TRUE if SetVirtualAddressMap () has been called
@retval TRUE If SetVirtualAddressMap () has been called
**/
BOOLEAN
EFIAPI
EfiGoneVirtual (
VOID
)
{
return mEfiGoneVirtual;
}

25
MdePkg/Library/UefiRuntimeLib/RuntimeLibInternal.h Normal file
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/*++
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:
RuntimeLibInternal.h
Abstract:
--*/
#ifndef __RUNTIMELIBINTERNAL_H__
#define __RUNTIMELIBINTERNAL_H__
extern EFI_RUNTIME_SERVICES *mRT;
#endif //__RUNTIMELIBINTERNAL_H__

457
MdePkg/Library/UefiRuntimeLib/RuntimeService.c Normal file
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/*++
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:
RuntimeService.c
--*/
#include <PiDxe.h>
#include <
#include <RuntimeLibInternal.h>
VOID
EFIAPI
EfiResetSystem (
IN EFI_RESET_TYPE ResetType,
IN EFI_STATUS ResetStatus,
IN UINTN DataSize,
IN CHAR16 *ResetData
)
/*++
Routine Description:
Resets the entire platform.
Arguments:
ResetType - The type of reset to perform.
ResetStatus - The status code for the reset.
DataSize - The size, in bytes, of ResetData.
ResetData - A data buffer that includes a Null-terminated Unicode string, optionally
followed by additional binary data.
Returns:
None
--*/
{
mRT->ResetSystem (ResetType, ResetStatus, DataSize, ResetData);
}
//
// The following functions hide the mRT local global from the call to
// runtime service in the EFI system table.
//
EFI_STATUS
EFIAPI
EfiGetTime (
OUT EFI_TIME *Time,
OUT EFI_TIME_CAPABILITIES *Capabilities
)
/*++
Routine Description:
Returns the current time and date information, and the time-keeping
capabilities of the hardware platform.
Arguments:
Time - A pointer to storage to receive a snapshot of the current time.
Capabilities - An optional pointer to a buffer to receive the real time clock device's
capabilities.
Returns:
Status code
--*/
{
return mRT->GetTime (Time, Capabilities);
}
EFI_STATUS
EFIAPI
EfiSetTime (
IN EFI_TIME *Time
)
/*++
Routine Description:
Sets the current local time and date information.
Arguments:
Time - A pointer to the current time.
Returns:
Status code
--*/
{
return mRT->SetTime (Time);
}
EFI_STATUS
EFIAPI
EfiGetWakeupTime (
OUT BOOLEAN *Enabled,
OUT BOOLEAN *Pending,
OUT EFI_TIME *Time
)
/*++
Routine Description:
Returns the current wakeup alarm clock setting.
Arguments:
Enabled - Indicates if the alarm is currently enabled or disabled.
Pending - Indicates if the alarm signal is pending and requires acknowledgement.
Time - The current alarm setting.
Returns:
Status code
--*/
{
return mRT->GetWakeupTime (Enabled, Pending, Time);
}
EFI_STATUS
EFIAPI
EfiSetWakeupTime (
IN BOOLEAN Enable,
IN EFI_TIME *Time
)
/*++
Routine Description:
Sets the system wakeup alarm clock time.
Arguments:
Enable - Enable or disable the wakeup alarm.
Time - If Enable is TRUE, the time to set the wakeup alarm for.
If Enable is FALSE, then this parameter is optional, and may be NULL.
Returns:
Status code
--*/
{
return mRT->SetWakeupTime (Enable, Time);
}
EFI_STATUS
EFIAPI
EfiGetVariable (
IN CHAR16 *VariableName,
IN EFI_GUID * VendorGuid,
OUT UINT32 *Attributes OPTIONAL,
IN OUT UINTN *DataSize,
OUT VOID *Data
)
/*++
Routine Description:
Returns the value of a variable.
Arguments:
VariableName - A Null-terminated Unicode string that is the name of the
vendor's variable.
VendorGuid - A unique identifier for the vendor.
Attributes - If not NULL, a pointer to the memory location to return the
attributes bitmask for the variable.
DataSize - On input, the size in bytes of the return Data buffer.
On output the size of data returned in Data.
Data - The buffer to return the contents of the variable.
Returns:
Status code
--*/
{
return mRT->GetVariable (VariableName, VendorGuid, Attributes, DataSize, Data);
}
EFI_STATUS
EFIAPI
EfiGetNextVariableName (
IN OUT UINTN *VariableNameSize,
IN OUT CHAR16 *VariableName,
IN OUT EFI_GUID *VendorGuid
)
/*++
Routine Description:
Enumerates the current variable names.
Arguments:
VariableNameSize - The size of the VariableName buffer.
VariableName - On input, supplies the last VariableName that was returned
by GetNextVariableName().
On output, returns the Nullterminated Unicode string of the
current variable.
VendorGuid - On input, supplies the last VendorGuid that was returned by
GetNextVariableName().
On output, returns the VendorGuid of the current variable.
Returns:
Status code
--*/
{
return mRT->GetNextVariableName (VariableNameSize, VariableName, VendorGuid);
}
EFI_STATUS
EFIAPI
EfiSetVariable (
IN CHAR16 *VariableName,
IN EFI_GUID *VendorGuid,
IN UINT32 Attributes,
IN UINTN DataSize,
IN VOID *Data
)
/*++
Routine Description:
Sets the value of a variable.
Arguments:
VariableName - A Null-terminated Unicode string that is the name of the
vendor's variable.
VendorGuid - A unique identifier for the vendor.
Attributes - Attributes bitmask to set for the variable.
DataSize - The size in bytes of the Data buffer.
Data - The contents for the variable.
Returns:
Status code
--*/
{
return mRT->SetVariable (VariableName, VendorGuid, Attributes, DataSize, Data);
}
EFI_STATUS
EFIAPI
EfiGetNextHighMonotonicCount (
OUT UINT32 *HighCount
)
/*++
Routine Description:
Returns the next high 32 bits of the platform's monotonic counter.
Arguments:
HighCount - Pointer to returned value.
Returns:
Status code
--*/
{
return mRT->GetNextHighMonotonicCount (HighCount);
}
EFI_STATUS
EFIAPI
EfiConvertPointer (
IN UINTN DebugDisposition,
IN OUT VOID **Address
)
/*++
Routine Description:
Determines the new virtual address that is to be used on subsequent memory accesses.
Arguments:
DebugDisposition - Supplies type information for the pointer being converted.
Address - A pointer to a pointer that is to be fixed to be the value needed
for the new virtual address mappings being applied.
Returns:
Status code
--*/
{
return mRT->ConvertPointer (DebugDisposition, Address);
}
EFI_STATUS
EFIAPI
EfiConvertList (
IN UINTN DebugDisposition,
IN OUT LIST_ENTRY *ListHead
)
/*++
Routine Description:
Conver the standard Lib double linked list to a virtual mapping.
Arguments:
DebugDisposition - Argument to EfiConvertPointer (EFI 1.0 API)
ListHead - Head of linked list to convert
Returns:
EFI_SUCCESS
--*/
{
LIST_ENTRY *Link;
LIST_ENTRY *NextLink;
//
// Convert all the ForwardLink & BackLink pointers in the list
//
Link = ListHead;
do {
NextLink = Link->ForwardLink;
EfiConvertPointer (
Link->ForwardLink == ListHead ? DebugDisposition : 0,
(VOID **) &Link->ForwardLink
);
EfiConvertPointer (
Link->BackLink == ListHead ? DebugDisposition : 0,
(VOID **) &Link->BackLink
);
Link = NextLink;
} while (Link != ListHead);
return EFI_SUCCESS;
}
/**
Change the runtime addressing mode of EFI firmware from physical to virtual.
@param MemoryMapSize The size in bytes of VirtualMap.
@param DescriptorSize The size in bytes of an entry in the VirtualMap.
@param DescriptorVersion The version of the structure entries in VirtualMap.
@param VirtualMap An array of memory descriptors which contain new virtual
address mapping information for all runtime ranges. Type
EFI_MEMORY_DESCRIPTOR is defined in the
GetMemoryMap() function description.
@retval EFI_SUCCESS The virtual address map has been applied.
@retval EFI_UNSUPPORTED EFI firmware is not at runtime, or the EFI firmware is already in
virtual address mapped mode.
@retval EFI_INVALID_PARAMETER DescriptorSize or DescriptorVersion is
invalid.
@retval EFI_NO_MAPPING A virtual address was not supplied for a range in the memory
map that requires a mapping.
@retval EFI_NOT_FOUND A virtual address was supplied for an address that is not found
in the memory map.
**/
EFI_STATUS
EFIAPI
EfiSetVirtualAddressMap (
IN UINTN MemoryMapSize,
IN UINTN DescriptorSize,
IN UINT32 DescriptorVersion,
IN CONST EFI_MEMORY_DESCRIPTOR *VirtualMap
)
{
return mRT->SetVirtualAddressMap (
MemoryMapSize,
DescriptorSize,
DescriptorVersion,
(EFI_MEMORY_DESCRIPTOR *) VirtualMap
);
}
EFI_STATUS
EFIAPI
EfiUpdateCapsule (
IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray,
IN UINTN CapsuleCount,
IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL
)
{
return mRT->UpdateCapsule (
CapsuleHeaderArray,
CapsuleCount,
ScatterGatherList
);
}
EFI_STATUS
EFIAPI
EfiQueryCapsuleCapabilities (
IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray,
IN UINTN CapsuleCount,
OUT UINT64 *MaximumCapsuleSize,
OUT EFI_RESET_TYPE *ResetType
)
{
return mRT->QueryCapsuleCapabilities (
CapsuleHeaderArray,
CapsuleCount,
MaximumCapsuleSize,
ResetType
);
}
EFI_STATUS
EFIAPI
EfiQueryVariableInfo (
IN UINT32 Attributes,
OUT UINT64 *MaximumVariableStorageSize,
OUT UINT64 *RemainingVariableStorageSize,
OUT UINT64 *MaximumVariableSize
)
{
return mRT->QueryVariableInfo (
Attributes,
MaximumVariableStorageSize,
RemainingVariableStorageSize,
MaximumVariableSize
);
}

65
MdePkg/Library/UefiRuntimeLib/UefiRuntimeLib.msa Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<MsaHeader>
<ModuleName>UefiRuntimeLib</ModuleName>
<ModuleType>DXE_RUNTIME_DRIVER</ModuleType>
<GuidValue>b1ee6c28-54aa-4d17-b705-3e28ccb27b2e</GuidValue>
<Version>1.0</Version>
<Abstract>Runtime driver library</Abstract>
<Description>Instance of runtime driver library, Hook VitualAddressChange and
BooterviceExit event and provide runtime service.</Description>
<Copyright>Copyright (c) 2006 - 2007, 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 EBC</SupportedArchitectures>
<BinaryModule>false</BinaryModule>
<OutputFileBasename>EdkUefiRuntimeLib</OutputFileBasename>
</ModuleDefinitions>
<LibraryClassDefinitions>
<LibraryClass Usage="ALWAYS_PRODUCED" SupModuleList="DXE_RUNTIME_DRIVER DXE_SAL_DRIVER">
<Keyword>UefiRuntimeLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>DebugLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>UefiBootServicesTableLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED" SupArchList="IPF">
<Keyword>EdkDxeSalLib</Keyword>
</LibraryClass>
</LibraryClassDefinitions>
<SourceFiles>
<Filename>RuntimeLibInternal.h</Filename>
<Filename SupArchList="IA32">Common/RuntimeLib.c</Filename>
<Filename SupArchList="IA32">Common/RuntimeService.c</Filename>
<Filename SupArchList="X64">Common/RuntimeLib.c</Filename>
<Filename SupArchList="X64">Common/RuntimeService.c</Filename>
<Filename SupArchList="EBC">Common/RuntimeLib.c</Filename>
<Filename SupArchList="EBC">Common/RuntimeService.c</Filename>
<Filename SupArchList="IPF">Ipf/RuntimeLib.c</Filename>
<Filename SupArchList="IPF">Ipf/RuntimeService.c</Filename>
</SourceFiles>
<PackageDependencies>
<Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
<Package PackageGuid="68169ab0-d41b-4009-9060-292c253ac43d" SupArchList="IPF"/>
</PackageDependencies>
<Externs>
<Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
<Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
<Extern>
<Constructor>RuntimeDriverLibConstruct</Constructor>
<Destructor>RuntimeDriverLibDeconstruct</Destructor>
</Extern>
<Extern>
<ExitBootServicesCallBack>RuntimeDriverExitBootServices</ExitBootServicesCallBack>
</Extern>
</Externs>
</ModuleSurfaceArea>