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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6980 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
eric_tian
2008-12-10 09:35:04 +00:00
parent fd6f5e52b1
commit 1794e50605
3 changed files with 428 additions and 271 deletions
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152
MdeModulePkg/Universal/Variable/EmuRuntimeDxe/InitVariable.c
View File

@@ -16,31 +16,34 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "Variable.h"
//
// Don't use module globals after the SetVirtualAddress map is signaled
//
extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal;
EFI_EVENT mVirtualAddressChangeEvent = NULL;
/**
This code finds variable in storage blocks (Volatile or Non-Volatile).
@param VariableName Name of Variable to be found.
@param VendorGuid Variable vendor GUID.
@param Attributes Attribute value of the variable found.
@param DataSize Size of Data found. If size is less than the
data, this value contains the required size.
@param Data Data pointer.
@return EFI_INVALID_PARAMETER Invalid parameter
@return EFI_SUCCESS Find the specified variable
@return EFI_NOT_FOUND Not found
@return EFI_BUFFER_TO_SMALL DataSize is too small for the result
**/
EFI_STATUS
EFIAPI
RuntimeServiceGetVariable (
IN CHAR16 *VariableName,
IN EFI_GUID * VendorGuid,
IN EFI_GUID *VendorGuid,
OUT UINT32 *Attributes OPTIONAL,
IN OUT UINTN *DataSize,
OUT VOID *Data
)
/*++
Routine Description:
Arguments:
Returns:
--*/
{
return GetVariable (
VariableName,
@@ -53,6 +56,20 @@ Returns:
);
}
/**
This code Finds the Next available variable.
@param VariableNameSize Size of the variable name
@param VariableName Pointer to variable name
@param VendorGuid Variable Vendor Guid
@return EFI_INVALID_PARAMETER Invalid parameter
@return EFI_SUCCESS Find the specified variable
@return EFI_NOT_FOUND Not found
@return EFI_BUFFER_TO_SMALL DataSize is too small for the result
**/
EFI_STATUS
EFIAPI
RuntimeServiceGetNextVariableName (
@@ -60,15 +77,6 @@ RuntimeServiceGetNextVariableName (
IN OUT CHAR16 *VariableName,
IN OUT EFI_GUID *VendorGuid
)
/*++
Routine Description:
Arguments:
Returns:
--*/
{
return GetNextVariableName (
VariableNameSize,
@@ -79,6 +87,24 @@ Returns:
);
}
/**
This code sets variable in storage blocks (Volatile or Non-Volatile).
@param VariableName Name of Variable to be found
@param VendorGuid Variable vendor GUID
@param Attributes Attribute value of the variable found
@param DataSize Size of Data found. If size is less than the
data, this value contains the required size.
@param Data Data pointer
@return EFI_INVALID_PARAMETER Invalid parameter
@return EFI_SUCCESS Set successfully
@return EFI_OUT_OF_RESOURCES Resource not enough to set variable
@return EFI_NOT_FOUND Not found
@return EFI_WRITE_PROTECTED Variable is read-only
**/
EFI_STATUS
EFIAPI
RuntimeServiceSetVariable (
@@ -88,15 +114,6 @@ RuntimeServiceSetVariable (
IN UINTN DataSize,
IN VOID *Data
)
/*++
Routine Description:
Arguments:
Returns:
--*/
{
return SetVariable (
VariableName,
@@ -111,6 +128,24 @@ Returns:
);
}
/**
This code returns information about the EFI variables.
@param Attributes Attributes bitmask to specify the type of variables
on which to return information.
@param MaximumVariableStorageSize Pointer to the maximum size of the storage space available
for the EFI variables associated with the attributes specified.
@param RemainingVariableStorageSize Pointer to the remaining size of the storage space available
for EFI variables associated with the attributes specified.
@param MaximumVariableSize Pointer to the maximum size of an individual EFI variables
associated with the attributes specified.
@return EFI_INVALID_PARAMETER An invalid combination of attribute bits was supplied.
@return EFI_SUCCESS Query successfully.
@return EFI_UNSUPPORTED The attribute is not supported on this platform.
**/
EFI_STATUS
EFIAPI
RuntimeServiceQueryVariableInfo (
@@ -119,15 +154,6 @@ RuntimeServiceQueryVariableInfo (
OUT UINT64 *RemainingVariableStorageSize,
OUT UINT64 *MaximumVariableSize
)
/*++
Routine Description:
Arguments:
Returns:
--*/
{
return QueryVariableInfo (
Attributes,
@@ -139,21 +165,22 @@ Returns:
);
}
/**
Notification function of EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE.
This is a notification function registered on EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE event.
It convers pointer to new virtual address.
@param Event Event whose notification function is being invoked.
@param Context Pointer to the notification function's context.
**/
VOID
EFIAPI
VariableClassAddressChangeEvent (
IN EFI_EVENT Event,
IN VOID *Context
)
/*++
Routine Description:
Arguments:
Returns:
--*/
{
EfiConvertPointer (
0x0,
@@ -166,21 +193,26 @@ Returns:
EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal);
}
/**
Entry point of EmuVariable service module.
This function is the entry point of EmuVariable service module.
It registers all interfaces of Variable Services, initializes
variable store for non-volatile and volatile variables, and registers
notification function for EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE event.
@param ImageHandle The Image handle of this driver.
@param SystemTable The pointer of EFI_SYSTEM_TABLE.
@retval EFI_SUCCESS Variable service successfully initialized.
**/
EFI_STATUS
EFIAPI
VariableServiceInitialize (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*++
Routine Description:
Arguments:
Returns:
--*/
{
EFI_HANDLE NewHandle;
EFI_STATUS Status;