Add more assert to check table pointer.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2071 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
klu2 2006-12-08 02:35:17 +00:00
parent 83a4143f53
commit f62485d39a
1 changed files with 63 additions and 119 deletions

View File

@ -1,6 +1,7 @@
/*++
/**@file
Library utility functions for Runtime driver.
Copyright (c) 2006, Intel Corporation
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
@ -9,46 +10,31 @@ 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:
RuntimeLib.c
--*/
**/
#include <RuntimeLibInternal.h>
//
// Driver Lib Module Globals
//
///
/// 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
)
/*++
Routine Description:
Set AtRuntime flag as TRUE after ExitBootServices
Arguments:
Event - The Event that is being processed
Context - Event Context
Returns:
None
--*/
{
//
// Clear out BootService globals
@ -58,6 +44,14 @@ Returns:
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
@ -65,25 +59,6 @@ RuntimeLibVirtualNotifyEvent (
IN EFI_EVENT Event,
IN VOID *Context
)
/*++
Routine Description:
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.
Arguments:
Event - The Event that is being processed
Context - Event Context
Returns:
None
--*/
{
UINTN Index;
EFI_EVENT_NOTIFY ChildNotifyEventHandler;
@ -103,77 +78,59 @@ Returns:
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
)
/*++
Routine Description:
Intialize runtime Driver Lib if it has not yet been initialized.
Arguments:
ImageHandle - The firmware allocated handle for the EFI image.
SystemTable - A pointer to the EFI System Table.
GoVirtualChildEvent - Caller can register a virtual notification event.
Returns:
EFI_STATUS always returns EFI_SUCCESS except EFI_ALREADY_STARTED if already started.
--*/
{
EFI_STATUS Status;
ASSERT (SystemTable != NULL);
mRT = SystemTable->RuntimeServices;
ASSERT (mRT != NULL);
//
// Register SetVirtualAddressMap () notify function
//
if (_gDriverSetVirtualAddressMapEvent[0] != NULL) {
Status = gBS->CreateEvent (
EFI_EVENT_SIGNAL_VIRTUAL_ADDRESS_CHANGE,
EFI_TPL_NOTIFY,
RuntimeLibVirtualNotifyEvent,
NULL,
&mEfiVirtualNotifyEvent
);
ASSERT (gBS != NULL);
Status = gBS->CreateEvent (
EFI_EVENT_SIGNAL_VIRTUAL_ADDRESS_CHANGE,
EFI_TPL_NOTIFY,
RuntimeLibVirtualNotifyEvent,
NULL,
&mEfiVirtualNotifyEvent
);
ASSERT_EFI_ERROR (Status);
ASSERT_EFI_ERROR (Status);
}
return EFI_SUCCESS;
}
/**
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 (
VOID
)
/*++
Routine Description:
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.
Arguments:
None
Returns:
EFI_SUCCESS - Shotdown the Runtime Driver Lib successfully
EFI_UNSUPPORTED - Runtime Driver lib was not initialized at all
--*/
{
EFI_STATUS Status;
@ -181,51 +138,38 @@ Returns:
// Close SetVirtualAddressMap () notify function
//
if (_gDriverSetVirtualAddressMapEvent[0] != NULL) {
Status = gBS->CloseEvent (mEfiVirtualNotifyEvent);
ASSERT_EFI_ERROR (Status);
ASSERT (gBS != NULL);
Status = gBS->CloseEvent (mEfiVirtualNotifyEvent);
ASSERT_EFI_ERROR (Status);
}
return EFI_SUCCESS;
}
/**
Return TRUE if ExitBootServices () has been called
@retval TRUE If ExitBootServices () has been called
**/
BOOLEAN
EFIAPI
EfiAtRuntime (
VOID
)
/*++
Routine Description:
Return TRUE if ExitBootServices () has been called
Arguments:
NONE
Returns:
TRUE - If ExitBootServices () has been called
--*/
{
return mEfiAtRuntime;
}
/**
Return TRUE if SetVirtualAddressMap () has been called
@retval TRUE If SetVirtualAddressMap () has been called
**/
BOOLEAN
EFIAPI
EfiGoneVirtual (
VOID
)
/*++
Routine Description:
Return TRUE if SetVirtualAddressMap () has been called
Arguments:
NONE
Returns:
TRUE - If SetVirtualAddressMap () has been called
--*/
{
return mEfiGoneVirtual;
}