[mirror_edk2.git] / MdeModulePkg / Core / Dxe / DxeMain / DxeProtocolNotify.c

/** @file \r
\r
  This file deals with Architecture Protocol (AP) registration in\r
  the Dxe Core. The mArchProtocols[] array represents a list of\r
  events that represent the Architectural Protocols.\r
\r
Copyright (c) 2006 - 2008, Intel Corporation\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 <DxeMain.h>\r
\r
\r
//\r
// DXE Core Global Variables for all of the Architectural Protocols.\r
// If a protocol is installed mArchProtocols[].Present will be TRUE.\r
//\r
// CoreNotifyOnArchProtocolInstallation () fills in mArchProtocols[].Event\r
// and mArchProtocols[].Registration as it creates events for every array\r
// entry.\r
//\r
\r
ARCHITECTURAL_PROTOCOL_ENTRY  mArchProtocols[] = {\r
  { &gEfiSecurityArchProtocolGuid,         (VOID **)&gSecurity,      NULL, NULL, FALSE },\r
  { &gEfiCpuArchProtocolGuid,              (VOID **)&gCpu,           NULL, NULL, FALSE },\r
  { &gEfiMetronomeArchProtocolGuid,        (VOID **)&gMetronome,     NULL, NULL, FALSE },\r
  { &gEfiTimerArchProtocolGuid,            (VOID **)&gTimer,         NULL, NULL, FALSE },\r
  { &gEfiBdsArchProtocolGuid,              (VOID **)&gBds,           NULL, NULL, FALSE },\r
  { &gEfiWatchdogTimerArchProtocolGuid,    (VOID **)&gWatchdogTimer, NULL, NULL, FALSE },\r
  { &gEfiRuntimeArchProtocolGuid,          (VOID **)&gRuntime,       NULL, NULL, FALSE },\r
  { &gEfiVariableArchProtocolGuid,         (VOID **)NULL,            NULL, NULL, FALSE },\r
  { &gEfiVariableWriteArchProtocolGuid,    (VOID **)NULL,            NULL, NULL, FALSE },\r
  { &gEfiCapsuleArchProtocolGuid,          (VOID **)NULL,            NULL, NULL, FALSE},\r
  { &gEfiMonotonicCounterArchProtocolGuid, (VOID **)NULL,            NULL, NULL, FALSE },\r
  { &gEfiResetArchProtocolGuid,            (VOID **)NULL,            NULL, NULL, FALSE },\r
  { &gEfiRealTimeClockArchProtocolGuid,    (VOID **)NULL,            NULL, NULL, FALSE },\r
  { NULL,                                  (VOID **)NULL,            NULL, NULL, FALSE }\r
};\r
\r
\r
\r
/**\r
  Return TRUE if all AP services are availible.\r
\r
\r
  @retval EFI_SUCCESS    All AP services are available \r
  @retval EFI_NOT_FOUND  At least one AP service is not available\r
\r
**/\r
EFI_STATUS\r
CoreAllEfiServicesAvailable (\r
  VOID\r
  )\r
{\r
  ARCHITECTURAL_PROTOCOL_ENTRY  *Entry;\r
\r
  for (Entry = mArchProtocols; Entry->ProtocolGuid != NULL; Entry++) {\r
    if (!Entry->Present) {\r
      return EFI_NOT_FOUND;\r
    }\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r
\r
/**\r
  Notification event handler registered by CoreNotifyOnArchProtocolInstallation ().\r
  This notify function is registered for every architectural protocol. This handler\r
  updates mArchProtocol[] array entry with protocol instance data and sets it's\r
  present flag to TRUE. If any constructor is required it is executed. The EFI\r
  System Table headers are updated.\r
\r
  @param  Event          The Event that is being processed, not used. \r
  @param  Context        Event Context, not used.\r
\r
**/\r
STATIC\r
VOID\r
EFIAPI\r
GenericArchProtocolNotify (\r
  IN  EFI_EVENT       Event,\r
  IN  VOID            *Context\r
  )\r
{\r
  EFI_STATUS                      Status;\r
  ARCHITECTURAL_PROTOCOL_ENTRY    *Entry;\r
  VOID                            *Protocol;\r
  BOOLEAN                         Found;\r
  LIST_ENTRY                      *Link;\r
  LIST_ENTRY                      TempLinkNode;\r
\r
  Found = FALSE;\r
  for (Entry = mArchProtocols; Entry->ProtocolGuid != NULL; Entry++) {\r
\r
    Status = CoreLocateProtocol (Entry->ProtocolGuid, Entry->Registration, &Protocol);\r
    if (EFI_ERROR (Status)) {\r
      continue;\r
    }\r
\r
    Found = TRUE;\r
    Entry->Present = TRUE;\r
\r
    //\r
    // Update protocol global variable if one exists. Entry->Protocol points to a global variable\r
    // if one exists in the DXE core for this Architectural Protocol\r
    //\r
    if (Entry->Protocol != NULL) {\r
      *(Entry->Protocol) = Protocol;\r
    }\r
\r
    if (CompareGuid (Entry->ProtocolGuid, &gEfiTimerArchProtocolGuid)) {\r
      //\r
      // Register the Core timer tick handler with the Timer AP\r
      //\r
      gTimer->RegisterHandler (gTimer, CoreTimerTick);\r
    }\r
\r
    if (CompareGuid (Entry->ProtocolGuid, &gEfiRuntimeArchProtocolGuid)) {\r
      //\r
      // When runtime architectural protocol is available, updates CRC32 in the Debug Table\r
      //\r
      CoreUpdateDebugTableCrc32 ();\r
\r
      //\r
      // Update the Runtime Architectural protocol with the template that the core was\r
      // using so there would not need to be a dependency on the Runtime AP\r
      //\r
\r
      //\r
      // Copy all the registered Image to new gRuntime protocol\r
      //\r
      for (Link = gRuntimeTemplate.ImageHead.ForwardLink; Link != &gRuntimeTemplate.ImageHead; Link = TempLinkNode.ForwardLink) {\r
        CopyMem (&TempLinkNode, Link, sizeof(LIST_ENTRY));\r
        InsertTailList (&gRuntime->ImageHead, Link);\r
      }\r
      //\r
      // Copy all the registered Event to new gRuntime protocol\r
      //\r
      for (Link = gRuntimeTemplate.EventHead.ForwardLink; Link != &gRuntimeTemplate.EventHead; Link = TempLinkNode.ForwardLink) {\r
        CopyMem (&TempLinkNode, Link, sizeof(LIST_ENTRY));\r
        InsertTailList (&gRuntime->EventHead, Link);\r
      }\r
\r
      //\r
      // Clean up gRuntimeTemplate\r
      //\r
      gRuntimeTemplate.ImageHead.ForwardLink = &gRuntimeTemplate.ImageHead;\r
      gRuntimeTemplate.ImageHead.BackLink    = &gRuntimeTemplate.ImageHead;\r
      gRuntimeTemplate.EventHead.ForwardLink = &gRuntimeTemplate.EventHead;\r
      gRuntimeTemplate.EventHead.BackLink    = &gRuntimeTemplate.EventHead;\r
    }\r
  }\r
\r
  //\r
  // It's over kill to do them all every time, but it saves a lot of code.\r
  //\r
  if (Found) {\r
    CalculateEfiHdrCrc (&gDxeCoreRT->Hdr);\r
    CalculateEfiHdrCrc (&gDxeCoreBS->Hdr);\r
    CalculateEfiHdrCrc (&gDxeCoreST->Hdr);\r
    CalculateEfiHdrCrc (&gDxeCoreDS->Hdr);\r
  }\r
}\r
\r
\r
\r
\r
/**\r
  Creates an event that is fired everytime a Protocol of a specific type is installed.\r
\r
**/\r
VOID\r
CoreNotifyOnArchProtocolInstallation (\r
  VOID\r
  )\r
{\r
  EFI_STATUS                      Status;\r
  ARCHITECTURAL_PROTOCOL_ENTRY    *Entry;\r
\r
  for (Entry = mArchProtocols; Entry->ProtocolGuid != NULL; Entry++) {\r
\r
    //\r
    // Create the event\r
    //\r
    Status = CoreCreateEvent (\r
              EVT_NOTIFY_SIGNAL,\r
              TPL_CALLBACK,\r
              GenericArchProtocolNotify,\r
              NULL,\r
              &Entry->Event\r
              );\r
    ASSERT_EFI_ERROR(Status);\r
\r
    //\r
    // Register for protocol notifactions on this event\r
    //\r
    Status = CoreRegisterProtocolNotify (\r
              Entry->ProtocolGuid,\r
              Entry->Event,\r
              &Entry->Registration\r
              );\r
    ASSERT_EFI_ERROR(Status);\r
\r
  }\r
}\r
\r
//\r
// Following is needed to display missing architectural protocols in debug builds\r
//\r
typedef struct {\r
  EFI_GUID                    *ProtocolGuid;\r
  CHAR16                       *GuidString;\r
} GUID_TO_STRING_PROTOCOL_ENTRY;\r
\r
static const GUID_TO_STRING_PROTOCOL_ENTRY MissingProtocols[] = {\r
  { &gEfiSecurityArchProtocolGuid,         (CHAR16 *)L"Security"           },\r
  { &gEfiCpuArchProtocolGuid,              (CHAR16 *)L"CPU"                },\r
  { &gEfiMetronomeArchProtocolGuid,        (CHAR16 *)L"Metronome"          },\r
  { &gEfiTimerArchProtocolGuid,            (CHAR16 *)L"Timer"              },\r
  { &gEfiBdsArchProtocolGuid,              (CHAR16 *)L"Bds"                },\r
  { &gEfiWatchdogTimerArchProtocolGuid,    (CHAR16 *)L"Watchdog Timer"     },\r
  { &gEfiRuntimeArchProtocolGuid,          (CHAR16 *)L"Runtime"            },\r
  { &gEfiVariableArchProtocolGuid,         (CHAR16 *)L"Variable"           },\r
  { &gEfiVariableWriteArchProtocolGuid,    (CHAR16 *)L"Variable Write"     },\r
  { &gEfiCapsuleArchProtocolGuid,          (CHAR16 *)L"Capsule"            },\r
  { &gEfiMonotonicCounterArchProtocolGuid, (CHAR16 *)L"Monotonic Counter"  },\r
  { &gEfiResetArchProtocolGuid,            (CHAR16 *)L"Reset"              },\r
//  { &gEfiStatusCodeRuntimeProtocolGuid,       (CHAR16 *)L"Status Code"        },\r
  { &gEfiRealTimeClockArchProtocolGuid,    (CHAR16 *)L"Real Time Clock"    }\r
};\r
\r
\r
/**\r
  Displays Architectural protocols that were not loaded and are required for DXE\r
  core to function.  Only used in Debug Builds.\r
\r
**/\r
VOID\r
CoreDisplayMissingArchProtocols (\r
  VOID\r
  )\r
{\r
  const GUID_TO_STRING_PROTOCOL_ENTRY  *MissingEntry;\r
  ARCHITECTURAL_PROTOCOL_ENTRY         *Entry;\r
\r
  for (Entry = mArchProtocols; Entry->ProtocolGuid != NULL; Entry++) {\r
    if (!Entry->Present) {\r
      MissingEntry = MissingProtocols;\r
      for (MissingEntry = MissingProtocols; TRUE ; MissingEntry++) {\r
        if (CompareGuid (Entry->ProtocolGuid, MissingEntry->ProtocolGuid)) {\r
          DEBUG ((DEBUG_ERROR, "\n%s Arch Protocol not present!!\n", MissingEntry->GuidString));\r
          break;\r
        }\r
      }\r
    }\r
  }\r
}\r
Commit	Line	Data
504214c4	1	/** @file \r
28a00297	2	\r
504214c4 LG	3	This file deals with Architecture Protocol (AP) registration in\r
	4	the Dxe Core. The mArchProtocols[] array represents a list of\r
	5	events that represent the Architectural Protocols.\r
	6	\r
	7	Copyright (c) 2006 - 2008, Intel Corporation\r
28a00297	8	All rights reserved. This program and the accompanying materials\r
	9	are licensed and made available under the terms and conditions of the BSD License\r
	10	which accompanies this distribution. The full text of the license may be found at\r
	11	http://opensource.org/licenses/bsd-license.php\r
	12	\r
	13	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	14	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	15	\r
504214c4	16	**/\r
28a00297	17	\r
	18	#include <DxeMain.h>\r
	19	\r
	20	\r
	21	//\r
	22	// DXE Core Global Variables for all of the Architectural Protocols.\r
	23	// If a protocol is installed mArchProtocols[].Present will be TRUE.\r
	24	//\r
	25	// CoreNotifyOnArchProtocolInstallation () fills in mArchProtocols[].Event\r
	26	// and mArchProtocols[].Registration as it creates events for every array\r
	27	// entry.\r
	28	//\r
	29	\r
	30	ARCHITECTURAL_PROTOCOL_ENTRY mArchProtocols[] = {\r
	31	{ &gEfiSecurityArchProtocolGuid, (VOID **)&gSecurity, NULL, NULL, FALSE },\r
	32	{ &gEfiCpuArchProtocolGuid, (VOID **)&gCpu, NULL, NULL, FALSE },\r
	33	{ &gEfiMetronomeArchProtocolGuid, (VOID **)&gMetronome, NULL, NULL, FALSE },\r
	34	{ &gEfiTimerArchProtocolGuid, (VOID **)&gTimer, NULL, NULL, FALSE },\r
	35	{ &gEfiBdsArchProtocolGuid, (VOID **)&gBds, NULL, NULL, FALSE },\r
	36	{ &gEfiWatchdogTimerArchProtocolGuid, (VOID **)&gWatchdogTimer, NULL, NULL, FALSE },\r
	37	{ &gEfiRuntimeArchProtocolGuid, (VOID **)&gRuntime, NULL, NULL, FALSE },\r
	38	{ &gEfiVariableArchProtocolGuid, (VOID **)NULL, NULL, NULL, FALSE },\r
	39	{ &gEfiVariableWriteArchProtocolGuid, (VOID **)NULL, NULL, NULL, FALSE },\r
	40	{ &gEfiCapsuleArchProtocolGuid, (VOID **)NULL, NULL, NULL, FALSE},\r
	41	{ &gEfiMonotonicCounterArchProtocolGuid, (VOID **)NULL, NULL, NULL, FALSE },\r
	42	{ &gEfiResetArchProtocolGuid, (VOID **)NULL, NULL, NULL, FALSE },\r
	43	{ &gEfiRealTimeClockArchProtocolGuid, (VOID **)NULL, NULL, NULL, FALSE },\r
	44	{ NULL, (VOID **)NULL, NULL, NULL, FALSE }\r
	45	};\r
	46	\r
	47	\r
28a00297	48	\r
162ed594	49	/**\r
28a00297	50	Return TRUE if all AP services are availible.\r
28a00297	51	\r
28a00297	52	\r
162ed594	53	@retval EFI_SUCCESS All AP services are available \r
162ed594	54	@retval EFI_NOT_FOUND At least one AP service is not available\r
28a00297	55	\r
162ed594	56	**/\r
	57	EFI_STATUS\r
	58	CoreAllEfiServicesAvailable (\r
	59	VOID\r
	60	)\r
28a00297	61	{\r
	62	ARCHITECTURAL_PROTOCOL_ENTRY *Entry;\r
	63	\r
	64	for (Entry = mArchProtocols; Entry->ProtocolGuid != NULL; Entry++) {\r
	65	if (!Entry->Present) {\r
	66	return EFI_NOT_FOUND;\r
	67	}\r
	68	}\r
	69	\r
	70	return EFI_SUCCESS;\r
	71	}\r
	72	\r
28a00297	73	\r
162ed594	74	/**\r
28a00297	75	Notification event handler registered by CoreNotifyOnArchProtocolInstallation ().\r
	76	This notify function is registered for every architectural protocol. This handler\r
	77	updates mArchProtocol[] array entry with protocol instance data and sets it's\r
	78	present flag to TRUE. If any constructor is required it is executed. The EFI\r
	79	System Table headers are updated.\r
	80	\r
162ed594	81	@param Event The Event that is being processed, not used. \r
162ed594	82	@param Context Event Context, not used.\r
28a00297	83	\r
162ed594	84	**/\r
	85	STATIC\r
	86	VOID\r
	87	EFIAPI\r
	88	GenericArchProtocolNotify (\r
	89	IN EFI_EVENT Event,\r
	90	IN VOID *Context\r
	91	)\r
28a00297	92	{\r
	93	EFI_STATUS Status;\r
	94	ARCHITECTURAL_PROTOCOL_ENTRY *Entry;\r
	95	VOID *Protocol;\r
	96	BOOLEAN Found;\r
	97	LIST_ENTRY *Link;\r
	98	LIST_ENTRY TempLinkNode;\r
	99	\r
	100	Found = FALSE;\r
	101	for (Entry = mArchProtocols; Entry->ProtocolGuid != NULL; Entry++) {\r
	102	\r
	103	Status = CoreLocateProtocol (Entry->ProtocolGuid, Entry->Registration, &Protocol);\r
	104	if (EFI_ERROR (Status)) {\r
	105	continue;\r
	106	}\r
	107	\r
	108	Found = TRUE;\r
	109	Entry->Present = TRUE;\r
	110	\r
	111	//\r
	112	// Update protocol global variable if one exists. Entry->Protocol points to a global variable\r
	113	// if one exists in the DXE core for this Architectural Protocol\r
	114	//\r
	115	if (Entry->Protocol != NULL) {\r
	116	*(Entry->Protocol) = Protocol;\r
	117	}\r
	118	\r
	119	if (CompareGuid (Entry->ProtocolGuid, &gEfiTimerArchProtocolGuid)) {\r
	120	//\r
	121	// Register the Core timer tick handler with the Timer AP\r
	122	//\r
	123	gTimer->RegisterHandler (gTimer, CoreTimerTick);\r
	124	}\r
	125	\r
	126	if (CompareGuid (Entry->ProtocolGuid, &gEfiRuntimeArchProtocolGuid)) {\r
	127	//\r
	128	// When runtime architectural protocol is available, updates CRC32 in the Debug Table\r
	129	//\r
	130	CoreUpdateDebugTableCrc32 ();\r
	131	\r
	132	//\r
	133	// Update the Runtime Architectural protocol with the template that the core was\r
	134	// using so there would not need to be a dependency on the Runtime AP\r
	135	//\r
	136	\r
	137	//\r
	138	// Copy all the registered Image to new gRuntime protocol\r
	139	//\r
	140	for (Link = gRuntimeTemplate.ImageHead.ForwardLink; Link != &gRuntimeTemplate.ImageHead; Link = TempLinkNode.ForwardLink) {\r
	141	CopyMem (&TempLinkNode, Link, sizeof(LIST_ENTRY));\r
	142	InsertTailList (&gRuntime->ImageHead, Link);\r
	143	}\r
	144	//\r
	145	// Copy all the registered Event to new gRuntime protocol\r
	146	//\r
	147	for (Link = gRuntimeTemplate.EventHead.ForwardLink; Link != &gRuntimeTemplate.EventHead; Link = TempLinkNode.ForwardLink) {\r
	148	CopyMem (&TempLinkNode, Link, sizeof(LIST_ENTRY));\r
	149	InsertTailList (&gRuntime->EventHead, Link);\r
	150	}\r
	151	\r
	152	//\r
	153	// Clean up gRuntimeTemplate\r
	154	//\r
	155	gRuntimeTemplate.ImageHead.ForwardLink = &gRuntimeTemplate.ImageHead;\r
156	gRuntimeTemplate.ImageHead.BackLink = &gRuntimeTemplate.ImageHead;\r
157	gRuntimeTemplate.EventHead.ForwardLink = &gRuntimeTemplate.EventHead;\r
158	gRuntimeTemplate.EventHead.BackLink = &gRuntimeTemplate.EventHead;\r
159	}\r
160	}\r
161	\r
162	//\r
163	// It's over kill to do them all every time, but it saves a lot of code.\r
164	//\r
165	if (Found) {\r
166	CalculateEfiHdrCrc (&gDxeCoreRT->Hdr);\r
167	CalculateEfiHdrCrc (&gDxeCoreBS->Hdr);\r
168	CalculateEfiHdrCrc (&gDxeCoreST->Hdr);\r
169	CalculateEfiHdrCrc (&gDxeCoreDS->Hdr);\r
170	}\r
171	}\r
172	\r
173	\r
174	\r
162ed594	175	\r
	176	/**\r
	177	Creates an event that is fired everytime a Protocol of a specific type is installed.\r
	178	\r
	179	**/\r
28a00297	180	VOID\r
	181	CoreNotifyOnArchProtocolInstallation (\r
	182	VOID\r
	183	)\r
28a00297	184	{\r
	185	EFI_STATUS Status;\r
	186	ARCHITECTURAL_PROTOCOL_ENTRY *Entry;\r
	187	\r
	188	for (Entry = mArchProtocols; Entry->ProtocolGuid != NULL; Entry++) {\r
	189	\r
	190	//\r
	191	// Create the event\r
	192	//\r
	193	Status = CoreCreateEvent (\r
	194	EVT_NOTIFY_SIGNAL,\r
	195	TPL_CALLBACK,\r
	196	GenericArchProtocolNotify,\r
	197	NULL,\r
	198	&Entry->Event\r
	199	);\r
	200	ASSERT_EFI_ERROR(Status);\r
	201	\r
	202	//\r
	203	// Register for protocol notifactions on this event\r
	204	//\r
	205	Status = CoreRegisterProtocolNotify (\r
	206	Entry->ProtocolGuid,\r
	207	Entry->Event,\r
	208	&Entry->Registration\r
	209	);\r
	210	ASSERT_EFI_ERROR(Status);\r
	211	\r
	212	}\r
	213	}\r
	214	\r
	215	//\r
	216	// Following is needed to display missing architectural protocols in debug builds\r
	217	//\r
	218	typedef struct {\r
	219	EFI_GUID *ProtocolGuid;\r
	220	CHAR16 *GuidString;\r
	221	} GUID_TO_STRING_PROTOCOL_ENTRY;\r
	222	\r
	223	static const GUID_TO_STRING_PROTOCOL_ENTRY MissingProtocols[] = {\r
	224	{ &gEfiSecurityArchProtocolGuid, (CHAR16 *)L"Security" },\r
	225	{ &gEfiCpuArchProtocolGuid, (CHAR16 *)L"CPU" },\r
	226	{ &gEfiMetronomeArchProtocolGuid, (CHAR16 *)L"Metronome" },\r
	227	{ &gEfiTimerArchProtocolGuid, (CHAR16 *)L"Timer" },\r
	228	{ &gEfiBdsArchProtocolGuid, (CHAR16 *)L"Bds" },\r
	229	{ &gEfiWatchdogTimerArchProtocolGuid, (CHAR16 *)L"Watchdog Timer" },\r
	230	{ &gEfiRuntimeArchProtocolGuid, (CHAR16 *)L"Runtime" },\r
	231	{ &gEfiVariableArchProtocolGuid, (CHAR16 *)L"Variable" },\r
	232	{ &gEfiVariableWriteArchProtocolGuid, (CHAR16 *)L"Variable Write" },\r
	233	{ &gEfiCapsuleArchProtocolGuid, (CHAR16 *)L"Capsule" },\r
	234	{ &gEfiMonotonicCounterArchProtocolGuid, (CHAR16 *)L"Monotonic Counter" },\r
	235	{ &gEfiResetArchProtocolGuid, (CHAR16 *)L"Reset" },\r
	236	// { &gEfiStatusCodeRuntimeProtocolGuid, (CHAR16 *)L"Status Code" },\r
	237	{ &gEfiRealTimeClockArchProtocolGuid, (CHAR16 *)L"Real Time Clock" }\r
	238	};\r
	239	\r
162ed594	240	\r
	241	/**\r
	242	Displays Architectural protocols that were not loaded and are required for DXE\r
	243	core to function. Only used in Debug Builds.\r
	244	\r
	245	**/\r
28a00297	246	VOID\r
	247	CoreDisplayMissingArchProtocols (\r
	248	VOID\r
	249	)\r
28a00297	250	{\r
	251	const GUID_TO_STRING_PROTOCOL_ENTRY *MissingEntry;\r
	252	ARCHITECTURAL_PROTOCOL_ENTRY *Entry;\r
	253	\r
	254	for (Entry = mArchProtocols; Entry->ProtocolGuid != NULL; Entry++) {\r
	255	if (!Entry->Present) {\r
	256	MissingEntry = MissingProtocols;\r
	257	for (MissingEntry = MissingProtocols; TRUE ; MissingEntry++) {\r
	258	if (CompareGuid (Entry->ProtocolGuid, MissingEntry->ProtocolGuid)) {\r
162ed594	259	DEBUG ((DEBUG_ERROR, "\n%s Arch Protocol not present!!\n", MissingEntry->GuidString));\r
28a00297	260	break;\r
	261	}\r
	262	}\r
	263	}\r
	264	}\r
	265	}\r