[mirror_edk2.git] / EdkCompatibilityPkg / Foundation / Library / EdkIIGlueLib / Library / UefiLib / UefiNotTiano.c

/*++\r
\r
Copyright (c) 2004 - 2010, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials                          \r
are licensed and made available under the terms and conditions of the BSD License         \r
which accompanies this distribution.  The full text of the license may be found at        \r
http://opensource.org/licenses/bsd-license.php                                            \r
                                                                                          \r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.  \r
\r
Module Name:\r
\r
  UefiNotTiano.c\r
  \r
Abstract: \r
\r
  Library functions that abstract areas of conflict between Tiano an UEFI 2.0.\r
\r
  Help Port Framework/Tinao code that has conflicts with UEFI 2.0 by hiding the\r
  oldconflicts with library functions and supporting implementations of the old \r
  (R8.5/EFI 1.10) and new (EdkII/UEFI 2.0) way.\r
\r
--*/\r
\r
#include "EdkIIGlueUefi.h"\r
\r
/**\r
  An empty function to pass error checking of CreateEventEx (). \r
  \r
  This empty function ensures that EFI_EVENT_NOTIFY_SIGNAL_ALL is error\r
  checked correctly since it is now mapped into CreateEventEx() in UEFI 2.0.\r
  \r
**/\r
STATIC\r
VOID\r
EFIAPI\r
InternalEmptyFuntion (\r
  IN EFI_EVENT                Event,\r
  IN VOID                     *Context\r
  )\r
{\r
  return;\r
}\r
\r
/**\r
  Create a Legacy Boot Event.  \r
  \r
  Tiano extended the CreateEvent Type enum to add a legacy boot event type. \r
  This was bad as Tiano did not own the enum. In UEFI 2.0 CreateEventEx was\r
  added and now it's possible to not voilate the UEFI specification by \r
  declaring a GUID for the legacy boot event class. This library supports\r
  the EDK/EFI 1.10 form and EDK II/UEFI 2.0 form and allows common code to \r
  work both ways.\r
\r
  @param  LegacyBootEvent   Returns the EFI event returned from gBS->CreateEvent(Ex).\r
\r
  @retval EFI_SUCCESS       Event was created.\r
  @retval Other             Event was not created.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
GlueEfiCreateEventLegacyBoot (\r
  OUT EFI_EVENT  *LegacyBootEvent\r
  )\r
{\r
  return EfiCreateEventLegacyBootEx (\r
           EFI_TPL_CALLBACK,\r
           NULL,\r
           NULL,\r
           LegacyBootEvent\r
           );\r
}\r
\r
/**\r
  Create an EFI event in the Legacy Boot Event Group and allows\r
  the caller to specify a notification function.  \r
  \r
  This function abstracts the creation of the Legacy Boot Event.\r
  The Framework moved from a proprietary to UEFI 2.0 based mechanism.\r
  This library abstracts the caller from how this event is created to prevent\r
  to code form having to change with the version of the specification supported.\r
  If LegacyBootEvent is NULL, then ASSERT().\r
\r
  @param  NotifyTpl         The task priority level of the event.\r
  @param  NotifyFunction    The notification function to call when the event is signaled.\r
  @param  NotifyContext     The content to pass to NotifyFunction when the event is signaled.\r
  @param  LegacyBootEvent   Returns the EFI event returned from gBS->CreateEvent(Ex).\r
\r
  @retval EFI_SUCCESS       Event was created.\r
  @retval Other             Event was not created.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
EfiCreateEventLegacyBootEx (\r
  IN  EFI_TPL           NotifyTpl,\r
  IN  EFI_EVENT_NOTIFY  NotifyFunction,  OPTIONAL\r
  IN  VOID              *NotifyContext,  OPTIONAL\r
  OUT EFI_EVENT         *LegacyBootEvent\r
  )\r
{\r
  EFI_STATUS        Status;\r
  UINT32            EventType;\r
  EFI_EVENT_NOTIFY  WorkerNotifyFunction;\r
\r
  ASSERT (LegacyBootEvent != NULL);\r
\r
#if (EFI_SPECIFICATION_VERSION < 0x00020000) \r
\r
  if (NotifyFunction == NULL) {\r
    EventType = EFI_EVENT_SIGNAL_LEGACY_BOOT | EFI_EVENT_NOTIFY_SIGNAL_ALL;\r
  } else {\r
    EventType = EFI_EVENT_SIGNAL_LEGACY_BOOT;\r
  }\r
  WorkerNotifyFunction = NotifyFunction;\r
\r
  //\r
  // prior to UEFI 2.0 use Tiano extension to EFI\r
  //\r
  Status = gBS->CreateEvent (\r
                  EventType,\r
                  NotifyTpl,\r
                  WorkerNotifyFunction,\r
                  NotifyContext,\r
                  LegacyBootEvent\r
                  );\r
#else\r
\r
  EventType = EVENT_NOTIFY_SIGNAL;\r
  if (NotifyFunction == NULL) {\r
    //\r
    // CreatEventEx will check NotifyFunction is NULL or not\r
    //\r
    WorkerNotifyFunction = InternalEmptyFuntion;\r
  } else {\r
    WorkerNotifyFunction = NotifyFunction;\r
  }\r
\r
  //\r
  // For UEFI 2.0 and the future use an Event Group\r
  //\r
  Status = gBS->CreateEventEx (\r
                  EventType,\r
                  NotifyTpl,\r
                  WorkerNotifyFunction,\r
                  NotifyContext,\r
                  &gEfiEventLegacyBootGuid,\r
                  LegacyBootEvent\r
                  );\r
#endif\r
\r
  return Status;\r
}\r
\r
/**\r
  Create a Read to Boot Event.  \r
  \r
  Tiano extended the CreateEvent Type enum to add a ready to boot event type. \r
  This was bad as Tiano did not own the enum. In UEFI 2.0 CreateEventEx was\r
  added and now it's possible to not voilate the UEFI specification and use \r
  the ready to boot event class defined in UEFI 2.0. This library supports\r
  the EDK/EFI 1.10 form and EDK II/UEFI 2.0 form and allows common code to \r
  work both ways.\r
\r
  @param  LegacyBootEvent   Returns the EFI event returned from gBS->CreateEvent(Ex).\r
\r
  @retval EFI_SUCCESS       Event was created.\r
  @retval Other             Event was not created.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
GlueEfiCreateEventReadyToBoot (\r
  OUT EFI_EVENT  *ReadyToBootEvent\r
  )\r
{\r
  return EfiCreateEventReadyToBootEx (\r
           EFI_TPL_CALLBACK,\r
           NULL,\r
           NULL,\r
           ReadyToBootEvent\r
           );\r
}\r
\r
/**\r
  Create an EFI event in the Ready To Boot Event Group and allows\r
  the caller to specify a notification function.  \r
  \r
  This function abstracts the creation of the Ready to Boot Event.\r
  The Framework moved from a proprietary to UEFI 2.0 based mechanism.\r
  This library abstracts the caller from how this event is created to prevent\r
  to code form having to change with the version of the specification supported.\r
  If ReadyToBootEvent is NULL, then ASSERT().\r
\r
  @param  NotifyTpl         The task priority level of the event.\r
  @param  NotifyFunction    The notification function to call when the event is signaled.\r
  @param  NotifyContext     The content to pass to NotifyFunction when the event is signaled.\r
  @param  LegacyBootEvent   Returns the EFI event returned from gBS->CreateEvent(Ex).\r
\r
  @retval EFI_SUCCESS       Event was created.\r
  @retval Other             Event was not created.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
EfiCreateEventReadyToBootEx (\r
  IN  EFI_TPL           NotifyTpl,\r
  IN  EFI_EVENT_NOTIFY  NotifyFunction,  OPTIONAL\r
  IN  VOID              *NotifyContext,  OPTIONAL\r
  OUT EFI_EVENT         *ReadyToBootEvent\r
  )\r
{\r
  EFI_STATUS        Status;\r
  UINT32            EventType;\r
  EFI_EVENT_NOTIFY	WorkerNotifyFunction;\r
\r
  ASSERT (ReadyToBootEvent != NULL);\r
\r
#if (EFI_SPECIFICATION_VERSION < 0x00020000)\r
  \r
  if (NotifyFunction == NULL) {\r
	EventType = EFI_EVENT_SIGNAL_READY_TO_BOOT | EFI_EVENT_NOTIFY_SIGNAL_ALL;\r
  } else {\r
	EventType = EFI_EVENT_SIGNAL_READY_TO_BOOT;\r
  }\r
  WorkerNotifyFunction = NotifyFunction;\r
\r
  //\r
  // prior to UEFI 2.0 use Tiano extension to EFI\r
  //\r
  Status = gBS->CreateEvent (\r
                  EventType,\r
                  NotifyTpl,\r
                  WorkerNotifyFunction,\r
                  NotifyContext,\r
                  ReadyToBootEvent\r
                  );\r
#else\r
\r
  EventType = EVENT_NOTIFY_SIGNAL;\r
\r
  if (NotifyFunction == NULL) {\r
    //\r
    // CreatEventEx will check NotifyFunction is NULL or not\r
    //\r
    WorkerNotifyFunction = InternalEmptyFuntion;\r
  } else {\r
    WorkerNotifyFunction = NotifyFunction;\r
  }\r
\r
  //\r
  // For UEFI 2.0 and the future use an Event Group\r
  //\r
  Status = gBS->CreateEventEx (\r
                  EventType,\r
                  NotifyTpl,\r
                  WorkerNotifyFunction,\r
                  NotifyContext,\r
                  &gEfiEventReadyToBootGuid,\r
                  ReadyToBootEvent\r
                  );\r
#endif\r
\r
  return Status;\r
}\r
\r
\r
/**\r
  Signal a Ready to Boot Event.  \r
  \r
  Create a Ready to Boot Event. Signal it and close it. This causes other \r
  events of the same event group to be signaled in other modules. \r
\r
**/\r
VOID\r
EFIAPI\r
EfiSignalEventReadyToBoot (\r
  VOID\r
  )\r
{\r
  EFI_STATUS    Status;\r
  EFI_EVENT     ReadyToBootEvent;\r
\r
  Status = EfiCreateEventReadyToBoot (&ReadyToBootEvent);\r
  if (!EFI_ERROR (Status)) {\r
    gBS->SignalEvent (ReadyToBootEvent);\r
    gBS->CloseEvent (ReadyToBootEvent);\r
  }\r
}\r
\r
/**\r
  Signal a Legacy Boot Event.  \r
  \r
  Create a legacy Boot Event. Signal it and close it. This causes other \r
  events of the same event group to be signaled in other modules. \r
\r
**/\r
VOID\r
EFIAPI\r
EfiSignalEventLegacyBoot (\r
  VOID\r
  )\r
{\r
  EFI_STATUS    Status;\r
  EFI_EVENT     LegacyBootEvent;\r
\r
  Status = EfiCreateEventLegacyBoot (&LegacyBootEvent);\r
  if (!EFI_ERROR (Status)) {\r
    gBS->SignalEvent (LegacyBootEvent);\r
    gBS->CloseEvent (LegacyBootEvent);\r
  }\r
}\r
\r
\r
/**\r
  Check to see if the Firmware Volume (FV) Media Device Path is valid \r
  \r
  @param  FvDevicePathNode  Pointer to FV device path to check.\r
\r
  @retval NULL              FvDevicePathNode is not valid.\r
  @retval Other             FvDevicePathNode is valid and pointer to NameGuid was returned.\r
\r
**/\r
EFI_GUID *\r
EFIAPI\r
GlueEfiGetNameGuidFromFwVolDevicePathNode (\r
  IN CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH  *FvDevicePathNode\r
  )\r
{\r
  ASSERT (FvDevicePathNode != NULL);\r
\r
  if (DevicePathType (&FvDevicePathNode->Header) == MEDIA_DEVICE_PATH &&\r
      DevicePathSubType (&FvDevicePathNode->Header) == MEDIA_FV_FILEPATH_DP) {\r
    return (EFI_GUID *) &FvDevicePathNode->NameGuid;\r
  }\r
\r
  return NULL;\r
}\r
\r
\r
/**\r
  Initialize a Firmware Volume (FV) Media Device Path node.\r
  \r
  @param  FvDevicePathNode  Pointer to a FV device path node to initialize\r
  @param  NameGuid          FV file name to use in FvDevicePathNode\r
\r
**/\r
VOID\r
EFIAPI\r
GlueEfiInitializeFwVolDevicepathNode (\r
  IN OUT MEDIA_FW_VOL_FILEPATH_DEVICE_PATH  *FvDevicePathNode,\r
  IN CONST EFI_GUID                         *NameGuid\r
  )\r
{\r
  ASSERT (FvDevicePathNode  != NULL);\r
  ASSERT (NameGuid          != NULL);\r
\r
  FvDevicePathNode->Header.Type     = MEDIA_DEVICE_PATH;\r
  FvDevicePathNode->Header.SubType  = MEDIA_FV_FILEPATH_DP;\r
  SetDevicePathNodeLength (&FvDevicePathNode->Header, sizeof (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH));\r
\r
  CopyGuid (&FvDevicePathNode->NameGuid, NameGuid);\r
}\r
\r
Commit	Line	Data
3eb9473e	1	/*++\r
3eb9473e	2	\r
3e99020d	3	Copyright (c) 2004 - 2010, Intel Corporation. All rights reserved.<BR>\r
2c7e5c2f	4	This program and the accompanying materials \r
3eb9473e	5	are licensed and made available under the terms and conditions of the BSD License \r
	6	which accompanies this distribution. The full text of the license may be found at \r
	7	http://opensource.org/licenses/bsd-license.php \r
	8	\r
	9	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
	10	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
	11	\r
	12	Module Name:\r
	13	\r
	14	UefiNotTiano.c\r
	15	\r
	16	Abstract: \r
	17	\r
	18	Library functions that abstract areas of conflict between Tiano an UEFI 2.0.\r
	19	\r
	20	Help Port Framework/Tinao code that has conflicts with UEFI 2.0 by hiding the\r
	21	oldconflicts with library functions and supporting implementations of the old \r
	22	(R8.5/EFI 1.10) and new (EdkII/UEFI 2.0) way.\r
	23	\r
	24	--*/\r
	25	\r
	26	#include "EdkIIGlueUefi.h"\r
	27	\r
	28	/**\r
	29	An empty function to pass error checking of CreateEventEx (). \r
	30	\r
	31	This empty function ensures that EFI_EVENT_NOTIFY_SIGNAL_ALL is error\r
	32	checked correctly since it is now mapped into CreateEventEx() in UEFI 2.0.\r
	33	\r
	34	**/\r
	35	STATIC\r
	36	VOID\r
	37	EFIAPI\r
	38	InternalEmptyFuntion (\r
	39	IN EFI_EVENT Event,\r
	40	IN VOID *Context\r
	41	)\r
	42	{\r
	43	return;\r
	44	}\r
	45	\r
	46	/**\r
	47	Create a Legacy Boot Event. \r
	48	\r
	49	Tiano extended the CreateEvent Type enum to add a legacy boot event type. \r
	50	This was bad as Tiano did not own the enum. In UEFI 2.0 CreateEventEx was\r
	51	added and now it's possible to not voilate the UEFI specification by \r
	52	declaring a GUID for the legacy boot event class. This library supports\r
	53	the EDK/EFI 1.10 form and EDK II/UEFI 2.0 form and allows common code to \r
	54	work both ways.\r
	55	\r
	56	@param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex).\r
	57	\r
	58	@retval EFI_SUCCESS Event was created.\r
	59	@retval Other Event was not created.\r
	60	\r
	61	**/\r
	62	EFI_STATUS\r
	63	EFIAPI\r
	64	GlueEfiCreateEventLegacyBoot (\r
	65	OUT EFI_EVENT *LegacyBootEvent\r
	66	)\r
	67	{\r
	68	return EfiCreateEventLegacyBootEx (\r
69	EFI_TPL_CALLBACK,\r
3e99020d	70	NULL,\r
3eb9473e	71	NULL,\r
	72	LegacyBootEvent\r
	73	);\r
	74	}\r
	75	\r
	76	/**\r
	77	Create an EFI event in the Legacy Boot Event Group and allows\r
	78	the caller to specify a notification function. \r
	79	\r
	80	This function abstracts the creation of the Legacy Boot Event.\r
	81	The Framework moved from a proprietary to UEFI 2.0 based mechanism.\r
	82	This library abstracts the caller from how this event is created to prevent\r
	83	to code form having to change with the version of the specification supported.\r
	84	If LegacyBootEvent is NULL, then ASSERT().\r
	85	\r
	86	@param NotifyTpl The task priority level of the event.\r
	87	@param NotifyFunction The notification function to call when the event is signaled.\r
	88	@param NotifyContext The content to pass to NotifyFunction when the event is signaled.\r
	89	@param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex).\r
	90	\r
	91	@retval EFI_SUCCESS Event was created.\r
	92	@retval Other Event was not created.\r
	93	\r
	94	**/\r
	95	EFI_STATUS\r
	96	EFIAPI\r
	97	EfiCreateEventLegacyBootEx (\r
	98	IN EFI_TPL NotifyTpl,\r
	99	IN EFI_EVENT_NOTIFY NotifyFunction, OPTIONAL\r
	100	IN VOID *NotifyContext, OPTIONAL\r
	101	OUT EFI_EVENT *LegacyBootEvent\r
	102	)\r
	103	{\r
3e99020d LG	104	EFI_STATUS Status;\r
	105	UINT32 EventType;\r
	106	EFI_EVENT_NOTIFY WorkerNotifyFunction;\r
3eb9473e	107	\r
	108	ASSERT (LegacyBootEvent != NULL);\r
	109	\r
	110	#if (EFI_SPECIFICATION_VERSION < 0x00020000) \r
3e99020d LG	111	\r
	112	if (NotifyFunction == NULL) {\r
	113	EventType = EFI_EVENT_SIGNAL_LEGACY_BOOT \| EFI_EVENT_NOTIFY_SIGNAL_ALL;\r
	114	} else {\r
	115	EventType = EFI_EVENT_SIGNAL_LEGACY_BOOT;\r
	116	}\r
	117	WorkerNotifyFunction = NotifyFunction;\r
	118	\r
3eb9473e	119	//\r
	120	// prior to UEFI 2.0 use Tiano extension to EFI\r
	121	//\r
	122	Status = gBS->CreateEvent (\r
3e99020d	123	EventType,\r
3eb9473e	124	NotifyTpl,\r
3e99020d	125	WorkerNotifyFunction,\r
3eb9473e	126	NotifyContext,\r
	127	LegacyBootEvent\r
	128	);\r
	129	#else\r
3e99020d LG	130	\r
	131	EventType = EVENT_NOTIFY_SIGNAL;\r
	132	if (NotifyFunction == NULL) {\r
	133	//\r
	134	// CreatEventEx will check NotifyFunction is NULL or not\r
	135	//\r
	136	WorkerNotifyFunction = InternalEmptyFuntion;\r
	137	} else {\r
	138	WorkerNotifyFunction = NotifyFunction;\r
	139	}\r
	140	\r
3eb9473e	141	//\r
	142	// For UEFI 2.0 and the future use an Event Group\r
	143	//\r
	144	Status = gBS->CreateEventEx (\r
3e99020d	145	EventType,\r
3eb9473e	146	NotifyTpl,\r
3e99020d	147	WorkerNotifyFunction,\r
3eb9473e	148	NotifyContext,\r
	149	&gEfiEventLegacyBootGuid,\r
	150	LegacyBootEvent\r
	151	);\r
	152	#endif\r
	153	\r
	154	return Status;\r
	155	}\r
	156	\r
	157	/**\r
	158	Create a Read to Boot Event. \r
	159	\r
	160	Tiano extended the CreateEvent Type enum to add a ready to boot event type. \r
	161	This was bad as Tiano did not own the enum. In UEFI 2.0 CreateEventEx was\r
	162	added and now it's possible to not voilate the UEFI specification and use \r
	163	the ready to boot event class defined in UEFI 2.0. This library supports\r
	164	the EDK/EFI 1.10 form and EDK II/UEFI 2.0 form and allows common code to \r
	165	work both ways.\r
	166	\r
	167	@param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex).\r
	168	\r
	169	@retval EFI_SUCCESS Event was created.\r
	170	@retval Other Event was not created.\r
	171	\r
	172	**/\r
	173	EFI_STATUS\r
	174	EFIAPI\r
	175	GlueEfiCreateEventReadyToBoot (\r
	176	OUT EFI_EVENT *ReadyToBootEvent\r
	177	)\r
	178	{\r
	179	return EfiCreateEventReadyToBootEx (\r
	180	EFI_TPL_CALLBACK,\r
3e99020d	181	NULL,\r
3eb9473e	182	NULL,\r
	183	ReadyToBootEvent\r
	184	);\r
	185	}\r
	186	\r
	187	/**\r
	188	Create an EFI event in the Ready To Boot Event Group and allows\r
	189	the caller to specify a notification function. \r
	190	\r
	191	This function abstracts the creation of the Ready to Boot Event.\r
	192	The Framework moved from a proprietary to UEFI 2.0 based mechanism.\r
	193	This library abstracts the caller from how this event is created to prevent\r
	194	to code form having to change with the version of the specification supported.\r
	195	If ReadyToBootEvent is NULL, then ASSERT().\r
	196	\r
	197	@param NotifyTpl The task priority level of the event.\r
	198	@param NotifyFunction The notification function to call when the event is signaled.\r
	199	@param NotifyContext The content to pass to NotifyFunction when the event is signaled.\r
	200	@param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex).\r
	201	\r
	202	@retval EFI_SUCCESS Event was created.\r
	203	@retval Other Event was not created.\r
	204	\r
	205	**/\r
	206	EFI_STATUS\r
	207	EFIAPI\r
	208	EfiCreateEventReadyToBootEx (\r
	209	IN EFI_TPL NotifyTpl,\r
	210	IN EFI_EVENT_NOTIFY NotifyFunction, OPTIONAL\r
	211	IN VOID *NotifyContext, OPTIONAL\r
	212	OUT EFI_EVENT *ReadyToBootEvent\r
	213	)\r
	214	{\r
3e99020d LG	215	EFI_STATUS Status;\r
	216	UINT32 EventType;\r
	217	EFI_EVENT_NOTIFY WorkerNotifyFunction;\r
3eb9473e	218	\r
	219	ASSERT (ReadyToBootEvent != NULL);\r
	220	\r
3e99020d LG	221	#if (EFI_SPECIFICATION_VERSION < 0x00020000)\r
	222	\r
	223	if (NotifyFunction == NULL) {\r
	224	EventType = EFI_EVENT_SIGNAL_READY_TO_BOOT \| EFI_EVENT_NOTIFY_SIGNAL_ALL;\r
	225	} else {\r
	226	EventType = EFI_EVENT_SIGNAL_READY_TO_BOOT;\r
	227	}\r
	228	WorkerNotifyFunction = NotifyFunction;\r
	229	\r
3eb9473e	230	//\r
	231	// prior to UEFI 2.0 use Tiano extension to EFI\r
	232	//\r
	233	Status = gBS->CreateEvent (\r
3e99020d	234	EventType,\r
3eb9473e	235	NotifyTpl,\r
3e99020d	236	WorkerNotifyFunction,\r
3eb9473e	237	NotifyContext,\r
	238	ReadyToBootEvent\r
	239	);\r
	240	#else\r
3e99020d LG	241	\r
	242	EventType = EVENT_NOTIFY_SIGNAL;\r
	243	\r
	244	if (NotifyFunction == NULL) {\r
	245	//\r
	246	// CreatEventEx will check NotifyFunction is NULL or not\r
	247	//\r
	248	WorkerNotifyFunction = InternalEmptyFuntion;\r
	249	} else {\r
	250	WorkerNotifyFunction = NotifyFunction;\r
	251	}\r
	252	\r
3eb9473e	253	//\r
	254	// For UEFI 2.0 and the future use an Event Group\r
	255	//\r
	256	Status = gBS->CreateEventEx (\r
3e99020d	257	EventType,\r
3eb9473e	258	NotifyTpl,\r
3e99020d	259	WorkerNotifyFunction,\r
3eb9473e	260	NotifyContext,\r
	261	&gEfiEventReadyToBootGuid,\r
	262	ReadyToBootEvent\r
	263	);\r
	264	#endif\r
	265	\r
	266	return Status;\r
	267	}\r
	268	\r
	269	\r
	270	/**\r
	271	Signal a Ready to Boot Event. \r
	272	\r
	273	Create a Ready to Boot Event. Signal it and close it. This causes other \r
	274	events of the same event group to be signaled in other modules. \r
	275	\r
	276	**/\r
	277	VOID\r
	278	EFIAPI\r
	279	EfiSignalEventReadyToBoot (\r
	280	VOID\r
	281	)\r
	282	{\r
	283	EFI_STATUS Status;\r
	284	EFI_EVENT ReadyToBootEvent;\r
	285	\r
	286	Status = EfiCreateEventReadyToBoot (&ReadyToBootEvent);\r
	287	if (!EFI_ERROR (Status)) {\r
	288	gBS->SignalEvent (ReadyToBootEvent);\r
	289	gBS->CloseEvent (ReadyToBootEvent);\r
	290	}\r
	291	}\r
	292	\r
	293	/**\r
	294	Signal a Legacy Boot Event. \r
	295	\r
	296	Create a legacy Boot Event. Signal it and close it. This causes other \r
	297	events of the same event group to be signaled in other modules. \r
	298	\r
	299	**/\r
	300	VOID\r
	301	EFIAPI\r
	302	EfiSignalEventLegacyBoot (\r
	303	VOID\r
	304	)\r
	305	{\r
	306	EFI_STATUS Status;\r
	307	EFI_EVENT LegacyBootEvent;\r
	308	\r
	309	Status = EfiCreateEventLegacyBoot (&LegacyBootEvent);\r
	310	if (!EFI_ERROR (Status)) {\r
	311	gBS->SignalEvent (LegacyBootEvent);\r
	312	gBS->CloseEvent (LegacyBootEvent);\r
	313	}\r
	314	}\r
	315	\r
	316	\r
	317	/**\r
	318	Check to see if the Firmware Volume (FV) Media Device Path is valid \r
	319	\r
3eb9473e	320	@param FvDevicePathNode Pointer to FV device path to check.\r
	321	\r
	322	@retval NULL FvDevicePathNode is not valid.\r
	323	@retval Other FvDevicePathNode is valid and pointer to NameGuid was returned.\r
	324	\r
	325	**/\r
	326	EFI_GUID *\r
	327	EFIAPI\r
	328	GlueEfiGetNameGuidFromFwVolDevicePathNode (\r
	329	IN CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvDevicePathNode\r
	330	)\r
	331	{\r
	332	ASSERT (FvDevicePathNode != NULL);\r
	333	\r
3eb9473e	334	if (DevicePathType (&FvDevicePathNode->Header) == MEDIA_DEVICE_PATH &&\r
	335	DevicePathSubType (&FvDevicePathNode->Header) == MEDIA_FV_FILEPATH_DP) {\r
	336	return (EFI_GUID *) &FvDevicePathNode->NameGuid;\r
	337	}\r
	338	\r
3eb9473e	339	return NULL;\r
	340	}\r
	341	\r
	342	\r
	343	/**\r
	344	Initialize a Firmware Volume (FV) Media Device Path node.\r
	345	\r
3eb9473e	346	@param FvDevicePathNode Pointer to a FV device path node to initialize\r
	347	@param NameGuid FV file name to use in FvDevicePathNode\r
	348	\r
	349	**/\r
	350	VOID\r
	351	EFIAPI\r
	352	GlueEfiInitializeFwVolDevicepathNode (\r
	353	IN OUT MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvDevicePathNode,\r
	354	IN CONST EFI_GUID *NameGuid\r
	355	)\r
	356	{\r
	357	ASSERT (FvDevicePathNode != NULL);\r
	358	ASSERT (NameGuid != NULL);\r
	359	\r
3eb9473e	360	FvDevicePathNode->Header.Type = MEDIA_DEVICE_PATH;\r
	361	FvDevicePathNode->Header.SubType = MEDIA_FV_FILEPATH_DP;\r
	362	SetDevicePathNodeLength (&FvDevicePathNode->Header, sizeof (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH));\r
3eb9473e	363	\r
3e99020d	364	CopyGuid (&FvDevicePathNode->NameGuid, NameGuid);\r
3eb9473e	365	}\r
3eb9473e	366	\r