[mirror_edk2.git] / IntelFrameworkPkg / Library / UefiLibFramework / UefiNotTiano.c

/** @file\r
  Library functions that abstract areas of conflict between Tiano an UEFI 2.1.\r
\r
  Help Port Framework/Tinao code that has conflicts with UEFI 2.1 by hiding the\r
  oldconflicts with library functions and supporting implementations of the old\r
  (EDK/EFI 1.10) and new (EDK II/UEFI 2.1) way. This module is a DXE driver as\r
  it contains DXE enum extensions for EFI event services.\r
\r
Copyright (c) 2007, Intel Corporation<BR>\r
All rights reserved. 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
**/\r
\r
#include "UefiLibFramework.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
EfiCreateEventLegacyBoot (\r
  OUT EFI_EVENT  *LegacyBootEvent\r
  )\r
{\r
  return EfiCreateEventLegacyBootEx (\r
           TPL_CALLBACK,\r
           InternalEmptyFuntion,\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
\r
  ASSERT (LegacyBootEvent != NULL);\r
\r
  if (gST->Hdr.Revision < 0x00020000) {\r
    //\r
    // prior to UEFI 2.0 use Tiano extension to EFI\r
    //\r
    Status = gBS->CreateEvent (\r
                    EFI_EVENT_SIGNAL_LEGACY_BOOT | EVT_NOTIFY_SIGNAL,\r
                    NotifyTpl,\r
                    NotifyFunction,\r
                    NotifyContext,\r
                    LegacyBootEvent\r
                    );\r
  } else {\r
    //\r
    // For UEFI 2.0 and the future use an Event Group\r
    //\r
    Status = gBS->CreateEventEx (\r
                    EVT_NOTIFY_SIGNAL,\r
                    NotifyTpl,\r
                    NotifyFunction,\r
                    NotifyContext,\r
                    &gEfiEventLegacyBootGuid,\r
                    LegacyBootEvent\r
                    );\r
  }\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
EfiCreateEventReadyToBoot (\r
  OUT EFI_EVENT  *ReadyToBootEvent\r
  )\r
{\r
  return EfiCreateEventReadyToBootEx (\r
           TPL_CALLBACK,\r
           InternalEmptyFuntion,\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
\r
  ASSERT (ReadyToBootEvent != NULL);\r
\r
  if (gST->Hdr.Revision < 0x00020000) {\r
    //\r
    // prior to UEFI 2.0 use Tiano extension to EFI\r
    //\r
    Status = gBS->CreateEvent (\r
                    EFI_EVENT_SIGNAL_READY_TO_BOOT | EFI_EVENT_NOTIFY_SIGNAL_ALL,\r
                    NotifyTpl,\r
                    NotifyFunction,\r
                    NotifyContext,\r
                    ReadyToBootEvent\r
                    );\r
  } else {\r
    //\r
    // For UEFI 2.0 and the future use an Event Group\r
    //\r
    Status = gBS->CreateEventEx (\r
                    EVT_NOTIFY_SIGNAL,\r
                    NotifyTpl,\r
                    NotifyFunction,\r
                    NotifyContext,\r
                    &gEfiEventReadyToBootGuid,\r
                    ReadyToBootEvent\r
                    );\r
  }\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
  Tiano extended the EFI 1.10 device path nodes. Tiano does not own this enum\r
  so as we move to UEFI 2.0 support we must use a mechanism that conforms with\r
  the UEFI 2.0 specification to define the FV device path. An UEFI GUIDed\r
  device path is defined for Tiano extensions of device path. If the code\r
  is compiled to conform with the UEFI 2.0 specification use the new device path\r
  else use the old form for backwards compatability. The return value to this\r
  function points to a location in FvDevicePathNode and it does not allocate\r
  new memory for the GUID pointer that is returned.\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
EfiGetNameGuidFromFwVolDevicePathNode (\r
  IN CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH  *FvDevicePathNode\r
  )\r
{\r
  FRAMEWORK_MEDIA_FW_VOL_FILEPATH_DEVICE_PATH  *FrameworkFvDevicePathNode;\r
\r
  ASSERT (FvDevicePathNode != NULL);\r
\r
  FrameworkFvDevicePathNode = (FRAMEWORK_MEDIA_FW_VOL_FILEPATH_DEVICE_PATH  *) FvDevicePathNode;\r
  //\r
  // Use the new Device path that does not conflict with the UEFI\r
  //\r
  if (FrameworkFvDevicePathNode->Tiano.Header.Type == MEDIA_DEVICE_PATH ||\r
      FrameworkFvDevicePathNode->Tiano.Header.SubType == MEDIA_VENDOR_DP) {\r
    if (CompareGuid (&gEfiFrameworkDevicePathGuid, &FrameworkFvDevicePathNode->Tiano.TianoSpecificDevicePath)) {\r
      if (FrameworkFvDevicePathNode->Tiano.Type == TIANO_MEDIA_FW_VOL_FILEPATH_DEVICE_PATH_TYPE) {\r
        return (EFI_GUID *) &FrameworkFvDevicePathNode->NameGuid;\r
      }\r
    }\r
  }\r
\r
  return NULL;\r
}\r
\r
\r
/**\r
  Initialize a Firmware Volume (FV) Media Device Path node.\r
\r
  Tiano extended the EFI 1.10 device path nodes. Tiano does not own this enum\r
  so as we move to UEFI 2.0 support we must use a mechanism that conforms with\r
  the UEFI 2.0 specification to define the FV device path. An UEFI GUIDed\r
  device path is defined for Tiano extensions of device path. If the code\r
  is compiled to conform with the UEFI 2.0 specification use the new device path\r
  else use the old form for backwards compatability.\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
EfiInitializeFwVolDevicepathNode (\r
  IN OUT MEDIA_FW_VOL_FILEPATH_DEVICE_PATH  *FvDevicePathNode,\r
  IN CONST EFI_GUID                                   *NameGuid\r
  )\r
{\r
  FRAMEWORK_MEDIA_FW_VOL_FILEPATH_DEVICE_PATH  *FrameworkFvDevicePathNode;\r
\r
  ASSERT (FvDevicePathNode  != NULL);\r
  ASSERT (NameGuid          != NULL);\r
\r
  FrameworkFvDevicePathNode = (FRAMEWORK_MEDIA_FW_VOL_FILEPATH_DEVICE_PATH  *) FvDevicePathNode;\r
\r
  //\r
  // Use the new Device path that does not conflict with the UEFI\r
  //\r
  FrameworkFvDevicePathNode->Tiano.Header.Type     = MEDIA_DEVICE_PATH;\r
  FrameworkFvDevicePathNode->Tiano.Header.SubType  = MEDIA_VENDOR_DP;\r
  SetDevicePathNodeLength (&FrameworkFvDevicePathNode->Tiano.Header, sizeof (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH));\r
\r
  //\r
  // Add the GUID for generic Tiano device paths\r
  //\r
  CopyGuid (&FrameworkFvDevicePathNode->Tiano.TianoSpecificDevicePath, &gEfiFrameworkDevicePathGuid);\r
\r
  //\r
  // Add in the FW Vol File Path Tiano defined information\r
  //\r
  FrameworkFvDevicePathNode->Tiano.Type = TIANO_MEDIA_FW_VOL_FILEPATH_DEVICE_PATH_TYPE;\r
\r
  CopyGuid (&FrameworkFvDevicePathNode->NameGuid, NameGuid);\r
}\r
\r
Commit	Line	Data
79964ac8	1	/** @file\r
	2	Library functions that abstract areas of conflict between Tiano an UEFI 2.1.\r
	3	\r
	4	Help Port Framework/Tinao code that has conflicts with UEFI 2.1 by hiding the\r
	5	oldconflicts with library functions and supporting implementations of the old\r
	6	(EDK/EFI 1.10) and new (EDK II/UEFI 2.1) way. This module is a DXE driver as\r
	7	it contains DXE enum extensions for EFI event services.\r
	8	\r
	9	Copyright (c) 2007, Intel Corporation<BR>\r
	10	All rights reserved. This program and the accompanying materials\r
	11	are licensed and made available under the terms and conditions of the BSD License\r
	12	which accompanies this distribution. The full text of the license may be found at\r
	13	http://opensource.org/licenses/bsd-license.php\r
	14	\r
	15	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	16	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	17	\r
	18	**/\r
	19	\r
	20	#include "UefiLibFramework.h"\r
	21	\r
	22	/**\r
	23	An empty function to pass error checking of CreateEventEx ().\r
	24	\r
	25	This empty function ensures that EFI_EVENT_NOTIFY_SIGNAL_ALL is error\r
	26	checked correctly since it is now mapped into CreateEventEx() in UEFI 2.0.\r
	27	\r
	28	**/\r
	29	STATIC\r
	30	VOID\r
	31	EFIAPI\r
	32	InternalEmptyFuntion (\r
	33	IN EFI_EVENT Event,\r
	34	IN VOID *Context\r
	35	)\r
	36	{\r
	37	return;\r
	38	}\r
	39	\r
	40	/**\r
	41	Create a Legacy Boot Event.\r
	42	\r
	43	Tiano extended the CreateEvent Type enum to add a legacy boot event type.\r
	44	This was bad as Tiano did not own the enum. In UEFI 2.0 CreateEventEx was\r
	45	added and now it's possible to not voilate the UEFI specification by\r
	46	declaring a GUID for the legacy boot event class. This library supports\r
	47	the EDK/EFI 1.10 form and EDK II/UEFI 2.0 form and allows common code to\r
	48	work both ways.\r
	49	\r
	50	@param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex).\r
	51	\r
	52	@retval EFI_SUCCESS Event was created.\r
	53	@retval Other Event was not created.\r
	54	\r
	55	**/\r
	56	EFI_STATUS\r
	57	EFIAPI\r
	58	EfiCreateEventLegacyBoot (\r
	59	OUT EFI_EVENT *LegacyBootEvent\r
	60	)\r
	61	{\r
	62	return EfiCreateEventLegacyBootEx (\r
93b0fbc8	63	TPL_CALLBACK,\r
79964ac8	64	InternalEmptyFuntion,\r
	65	NULL,\r
	66	LegacyBootEvent\r
	67	);\r
	68	}\r
	69	\r
	70	/**\r
	71	Create an EFI event in the Legacy Boot Event Group and allows\r
	72	the caller to specify a notification function.\r
	73	\r
	74	This function abstracts the creation of the Legacy Boot Event.\r
	75	The Framework moved from a proprietary to UEFI 2.0 based mechanism.\r
	76	This library abstracts the caller from how this event is created to prevent\r
	77	to code form having to change with the version of the specification supported.\r
	78	If LegacyBootEvent is NULL, then ASSERT().\r
	79	\r
	80	@param NotifyTpl The task priority level of the event.\r
	81	@param NotifyFunction The notification function to call when the event is signaled.\r
	82	@param NotifyContext The content to pass to NotifyFunction when the event is signaled.\r
	83	@param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex).\r
	84	\r
	85	@retval EFI_SUCCESS Event was created.\r
	86	@retval Other Event was not created.\r
	87	\r
	88	**/\r
	89	EFI_STATUS\r
	90	EFIAPI\r
	91	EfiCreateEventLegacyBootEx (\r
	92	IN EFI_TPL NotifyTpl,\r
	93	IN EFI_EVENT_NOTIFY NotifyFunction, OPTIONAL\r
	94	IN VOID *NotifyContext, OPTIONAL\r
	95	OUT EFI_EVENT *LegacyBootEvent\r
	96	)\r
	97	{\r
	98	EFI_STATUS Status;\r
	99	\r
	100	ASSERT (LegacyBootEvent != NULL);\r
	101	\r
	102	if (gST->Hdr.Revision < 0x00020000) {\r
	103	//\r
	104	// prior to UEFI 2.0 use Tiano extension to EFI\r
	105	//\r
	106	Status = gBS->CreateEvent (\r
93b0fbc8	107	EFI_EVENT_SIGNAL_LEGACY_BOOT \| EVT_NOTIFY_SIGNAL,\r
79964ac8	108	NotifyTpl,\r
	109	NotifyFunction,\r
	110	NotifyContext,\r
	111	LegacyBootEvent\r
	112	);\r
	113	} else {\r
	114	//\r
	115	// For UEFI 2.0 and the future use an Event Group\r
	116	//\r
	117	Status = gBS->CreateEventEx (\r
93b0fbc8	118	EVT_NOTIFY_SIGNAL,\r
79964ac8	119	NotifyTpl,\r
	120	NotifyFunction,\r
	121	NotifyContext,\r
	122	&gEfiEventLegacyBootGuid,\r
	123	LegacyBootEvent\r
	124	);\r
	125	}\r
	126	\r
	127	return Status;\r
	128	}\r
	129	\r
	130	/**\r
	131	Create a Read to Boot Event.\r
	132	\r
	133	Tiano extended the CreateEvent Type enum to add a ready to boot event type.\r
	134	This was bad as Tiano did not own the enum. In UEFI 2.0 CreateEventEx was\r
	135	added and now it's possible to not voilate the UEFI specification and use\r
	136	the ready to boot event class defined in UEFI 2.0. This library supports\r
	137	the EDK/EFI 1.10 form and EDK II/UEFI 2.0 form and allows common code to\r
	138	work both ways.\r
	139	\r
	140	@param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex).\r
	141	\r
	142	@retval EFI_SUCCESS Event was created.\r
	143	@retval Other Event was not created.\r
	144	\r
	145	**/\r
	146	EFI_STATUS\r
	147	EFIAPI\r
	148	EfiCreateEventReadyToBoot (\r
	149	OUT EFI_EVENT *ReadyToBootEvent\r
	150	)\r
	151	{\r
	152	return EfiCreateEventReadyToBootEx (\r
93b0fbc8	153	TPL_CALLBACK,\r
79964ac8	154	InternalEmptyFuntion,\r
	155	NULL,\r
	156	ReadyToBootEvent\r
	157	);\r
	158	}\r
	159	\r
	160	/**\r
	161	Create an EFI event in the Ready To Boot Event Group and allows\r
	162	the caller to specify a notification function.\r
	163	\r
	164	This function abstracts the creation of the Ready to Boot Event.\r
	165	The Framework moved from a proprietary to UEFI 2.0 based mechanism.\r
	166	This library abstracts the caller from how this event is created to prevent\r
	167	to code form having to change with the version of the specification supported.\r
	168	If ReadyToBootEvent is NULL, then ASSERT().\r
	169	\r
	170	@param NotifyTpl The task priority level of the event.\r
	171	@param NotifyFunction The notification function to call when the event is signaled.\r
	172	@param NotifyContext The content to pass to NotifyFunction when the event is signaled.\r
	173	@param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex).\r
	174	\r
	175	@retval EFI_SUCCESS Event was created.\r
	176	@retval Other Event was not created.\r
	177	\r
	178	**/\r
	179	EFI_STATUS\r
	180	EFIAPI\r
	181	EfiCreateEventReadyToBootEx (\r
	182	IN EFI_TPL NotifyTpl,\r
	183	IN EFI_EVENT_NOTIFY NotifyFunction, OPTIONAL\r
	184	IN VOID *NotifyContext, OPTIONAL\r
	185	OUT EFI_EVENT *ReadyToBootEvent\r
	186	)\r
	187	{\r
	188	EFI_STATUS Status;\r
	189	\r
	190	ASSERT (ReadyToBootEvent != NULL);\r
	191	\r
	192	if (gST->Hdr.Revision < 0x00020000) {\r
	193	//\r
	194	// prior to UEFI 2.0 use Tiano extension to EFI\r
	195	//\r
	196	Status = gBS->CreateEvent (\r
	197	EFI_EVENT_SIGNAL_READY_TO_BOOT \| EFI_EVENT_NOTIFY_SIGNAL_ALL,\r
	198	NotifyTpl,\r
	199	NotifyFunction,\r
	200	NotifyContext,\r
	201	ReadyToBootEvent\r
	202	);\r
	203	} else {\r
	204	//\r
	205	// For UEFI 2.0 and the future use an Event Group\r
	206	//\r
	207	Status = gBS->CreateEventEx (\r
93b0fbc8	208	EVT_NOTIFY_SIGNAL,\r
79964ac8	209	NotifyTpl,\r
	210	NotifyFunction,\r
	211	NotifyContext,\r
	212	&gEfiEventReadyToBootGuid,\r
	213	ReadyToBootEvent\r
	214	);\r
	215	}\r
	216	\r
	217	return Status;\r
	218	}\r
	219	\r
	220	\r
	221	/**\r
	222	Signal a Ready to Boot Event.\r
	223	\r
	224	Create a Ready to Boot Event. Signal it and close it. This causes other\r
	225	events of the same event group to be signaled in other modules.\r
	226	\r
	227	**/\r
	228	VOID\r
	229	EFIAPI\r
	230	EfiSignalEventReadyToBoot (\r
	231	VOID\r
	232	)\r
	233	{\r
	234	EFI_STATUS Status;\r
	235	EFI_EVENT ReadyToBootEvent;\r
	236	\r
	237	Status = EfiCreateEventReadyToBoot (&ReadyToBootEvent);\r
	238	if (!EFI_ERROR (Status)) {\r
	239	gBS->SignalEvent (ReadyToBootEvent);\r
	240	gBS->CloseEvent (ReadyToBootEvent);\r
	241	}\r
	242	}\r
	243	\r
	244	/**\r
	245	Signal a Legacy Boot Event.\r
	246	\r
	247	Create a legacy Boot Event. Signal it and close it. This causes other\r
	248	events of the same event group to be signaled in other modules.\r
	249	\r
	250	**/\r
	251	VOID\r
	252	EFIAPI\r
	253	EfiSignalEventLegacyBoot (\r
	254	VOID\r
	255	)\r
	256	{\r
	257	EFI_STATUS Status;\r
	258	EFI_EVENT LegacyBootEvent;\r
	259	\r
	260	Status = EfiCreateEventLegacyBoot (&LegacyBootEvent);\r
	261	if (!EFI_ERROR (Status)) {\r
	262	gBS->SignalEvent (LegacyBootEvent);\r
	263	gBS->CloseEvent (LegacyBootEvent);\r
	264	}\r
	265	}\r
	266	\r
	267	\r
	268	/**\r
	269	Check to see if the Firmware Volume (FV) Media Device Path is valid\r
	270	\r
	271	Tiano extended the EFI 1.10 device path nodes. Tiano does not own this enum\r
	272	so as we move to UEFI 2.0 support we must use a mechanism that conforms with\r
273	the UEFI 2.0 specification to define the FV device path. An UEFI GUIDed\r
274	device path is defined for Tiano extensions of device path. If the code\r
275	is compiled to conform with the UEFI 2.0 specification use the new device path\r
276	else use the old form for backwards compatability. The return value to this\r
277	function points to a location in FvDevicePathNode and it does not allocate\r
278	new memory for the GUID pointer that is returned.\r
279	\r
280	@param FvDevicePathNode Pointer to FV device path to check.\r
281	\r
282	@retval NULL FvDevicePathNode is not valid.\r
283	@retval Other FvDevicePathNode is valid and pointer to NameGuid was returned.\r
284	\r
285	**/\r
286	EFI_GUID *\r
287	EFIAPI\r
288	EfiGetNameGuidFromFwVolDevicePathNode (\r
289	IN CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvDevicePathNode\r
290	)\r
291	{\r
b51e6bc4	292	FRAMEWORK_MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FrameworkFvDevicePathNode;\r
b51e6bc4	293	\r
79964ac8	294	ASSERT (FvDevicePathNode != NULL);\r
79964ac8	295	\r
b51e6bc4	296	FrameworkFvDevicePathNode = (FRAMEWORK_MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) FvDevicePathNode;\r
79964ac8	297	//\r
	298	// Use the new Device path that does not conflict with the UEFI\r
	299	//\r
b51e6bc4	300	if (FrameworkFvDevicePathNode->Tiano.Header.Type == MEDIA_DEVICE_PATH \|\|\r
	301	FrameworkFvDevicePathNode->Tiano.Header.SubType == MEDIA_VENDOR_DP) {\r
	302	if (CompareGuid (&gEfiFrameworkDevicePathGuid, &FrameworkFvDevicePathNode->Tiano.TianoSpecificDevicePath)) {\r
	303	if (FrameworkFvDevicePathNode->Tiano.Type == TIANO_MEDIA_FW_VOL_FILEPATH_DEVICE_PATH_TYPE) {\r
	304	return (EFI_GUID *) &FrameworkFvDevicePathNode->NameGuid;\r
79964ac8	305	}\r
	306	}\r
	307	}\r
	308	\r
	309	return NULL;\r
	310	}\r
	311	\r
	312	\r
	313	/**\r
	314	Initialize a Firmware Volume (FV) Media Device Path node.\r
	315	\r
	316	Tiano extended the EFI 1.10 device path nodes. Tiano does not own this enum\r
	317	so as we move to UEFI 2.0 support we must use a mechanism that conforms with\r
	318	the UEFI 2.0 specification to define the FV device path. An UEFI GUIDed\r
	319	device path is defined for Tiano extensions of device path. If the code\r
	320	is compiled to conform with the UEFI 2.0 specification use the new device path\r
	321	else use the old form for backwards compatability.\r
	322	\r
	323	@param FvDevicePathNode Pointer to a FV device path node to initialize\r
	324	@param NameGuid FV file name to use in FvDevicePathNode\r
	325	\r
	326	**/\r
	327	VOID\r
	328	EFIAPI\r
	329	EfiInitializeFwVolDevicepathNode (\r
	330	IN OUT MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvDevicePathNode,\r
b51e6bc4	331	IN CONST EFI_GUID *NameGuid\r
79964ac8	332	)\r
79964ac8	333	{\r
b51e6bc4	334	FRAMEWORK_MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FrameworkFvDevicePathNode;\r
b51e6bc4	335	\r
79964ac8	336	ASSERT (FvDevicePathNode != NULL);\r
	337	ASSERT (NameGuid != NULL);\r
	338	\r
b51e6bc4	339	FrameworkFvDevicePathNode = (FRAMEWORK_MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) FvDevicePathNode;\r
b51e6bc4	340	\r
79964ac8	341	//\r
	342	// Use the new Device path that does not conflict with the UEFI\r
	343	//\r
b51e6bc4	344	FrameworkFvDevicePathNode->Tiano.Header.Type = MEDIA_DEVICE_PATH;\r
	345	FrameworkFvDevicePathNode->Tiano.Header.SubType = MEDIA_VENDOR_DP;\r
	346	SetDevicePathNodeLength (&FrameworkFvDevicePathNode->Tiano.Header, sizeof (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH));\r
79964ac8	347	\r
	348	//\r
	349	// Add the GUID for generic Tiano device paths\r
	350	//\r
b51e6bc4	351	CopyGuid (&FrameworkFvDevicePathNode->Tiano.TianoSpecificDevicePath, &gEfiFrameworkDevicePathGuid);\r
79964ac8	352	\r
	353	//\r
	354	// Add in the FW Vol File Path Tiano defined information\r
	355	//\r
b51e6bc4	356	FrameworkFvDevicePathNode->Tiano.Type = TIANO_MEDIA_FW_VOL_FILEPATH_DEVICE_PATH_TYPE;\r
79964ac8	357	\r
b51e6bc4	358	CopyGuid (&FrameworkFvDevicePathNode->NameGuid, NameGuid);\r
79964ac8	359	}\r
79964ac8	360	\r