[mirror_edk2.git] / MdeModulePkg / Universal / ResetSystemRuntimeDxe / ResetSystem.c

/** @file\r
  Reset Architectural and Reset Notification protocols implementation.\r
\r
  Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>\r
\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "ResetSystem.h"\r
\r
GLOBAL_REMOVE_IF_UNREFERENCED CHAR16 *mResetTypeStr[] = {\r
  L"Cold", L"Warm", L"Shutdown", L"PlatformSpecific"\r
};\r
\r
//\r
// The current ResetSystem() notification recursion depth\r
//\r
UINTN  mResetNotifyDepth = 0;\r
\r
/**\r
  Register a notification function to be called when ResetSystem() is called.\r
\r
  The RegisterResetNotify() function registers a notification function that is called when\r
  ResetSystem()is called and prior to completing the reset of the platform.\r
  The registered functions must not perform a platform reset themselves. These\r
  notifications are intended only for the notification of components which may need some\r
  special-purpose maintenance prior to the platform resetting.\r
  The list of registered reset notification functions are processed if ResetSystem()is called\r
  before ExitBootServices(). The list of registered reset notification functions is ignored if\r
  ResetSystem()is called after ExitBootServices().\r
\r
  @param[in]  This              A pointer to the EFI_RESET_NOTIFICATION_PROTOCOL instance.\r
  @param[in]  ResetFunction     Points to the function to be called when a ResetSystem() is executed.\r
\r
  @retval EFI_SUCCESS           The reset notification function was successfully registered.\r
  @retval EFI_INVALID_PARAMETER ResetFunction is NULL.\r
  @retval EFI_OUT_OF_RESOURCES  There are not enough resources available to register the reset notification function.\r
  @retval EFI_ALREADY_STARTED   The reset notification function specified by ResetFunction has already been registered.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
RegisterResetNotify (\r
  IN EFI_RESET_NOTIFICATION_PROTOCOL *This,\r
  IN EFI_RESET_SYSTEM                ResetFunction\r
  )\r
{\r
  RESET_NOTIFICATION_INSTANCE        *Instance;\r
  LIST_ENTRY                         *Link;\r
  RESET_NOTIFY_ENTRY                 *Entry;\r
\r
  if (ResetFunction == NULL) {\r
    return EFI_INVALID_PARAMETER;\r
  }\r
\r
  Instance = RESET_NOTIFICATION_INSTANCE_FROM_THIS (This);\r
\r
  for ( Link = GetFirstNode (&Instance->ResetNotifies)\r
      ; !IsNull (&Instance->ResetNotifies, Link)\r
      ; Link = GetNextNode (&Instance->ResetNotifies, Link)\r
      ) {\r
    Entry = RESET_NOTIFY_ENTRY_FROM_LINK (Link);\r
    if (Entry->ResetNotify == ResetFunction) {\r
      return EFI_ALREADY_STARTED;\r
    }\r
  }\r
\r
  ASSERT (IsNull (&Instance->ResetNotifies, Link));\r
  Entry = AllocatePool (sizeof (*Entry));\r
  if (Entry == NULL) {\r
    return EFI_OUT_OF_RESOURCES;\r
  }\r
  Entry->Signature   = RESET_NOTIFY_ENTRY_SIGNATURE;\r
  Entry->ResetNotify = ResetFunction;\r
  InsertTailList (&Instance->ResetNotifies, &Entry->Link);\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Unregister a notification function.\r
\r
  The UnregisterResetNotify() function removes the previously registered\r
  notification using RegisterResetNotify().\r
\r
  @param[in]  This              A pointer to the EFI_RESET_NOTIFICATION_PROTOCOL instance.\r
  @param[in]  ResetFunction     The pointer to the ResetFunction being unregistered.\r
\r
  @retval EFI_SUCCESS           The reset notification function was unregistered.\r
  @retval EFI_INVALID_PARAMETER ResetFunction is NULL.\r
  @retval EFI_INVALID_PARAMETER The reset notification function specified by ResetFunction was not previously\r
                                registered using RegisterResetNotify().\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
UnregisterResetNotify (\r
  IN EFI_RESET_NOTIFICATION_PROTOCOL *This,\r
  IN EFI_RESET_SYSTEM                ResetFunction\r
  )\r
{\r
  RESET_NOTIFICATION_INSTANCE        *Instance;\r
  LIST_ENTRY                         *Link;\r
  RESET_NOTIFY_ENTRY                 *Entry;\r
\r
  if (ResetFunction == NULL) {\r
    return EFI_INVALID_PARAMETER;\r
  }\r
\r
  Instance = RESET_NOTIFICATION_INSTANCE_FROM_THIS (This);\r
\r
  for ( Link = GetFirstNode (&Instance->ResetNotifies)\r
      ; !IsNull (&Instance->ResetNotifies, Link)\r
      ; Link = GetNextNode (&Instance->ResetNotifies, Link)\r
      ) {\r
    Entry = RESET_NOTIFY_ENTRY_FROM_LINK (Link);\r
    if (Entry->ResetNotify == ResetFunction) {\r
      RemoveEntryList (&Entry->Link);\r
      FreePool (Entry);\r
      return EFI_SUCCESS;\r
    }\r
  }\r
\r
  return EFI_INVALID_PARAMETER;\r
}\r
\r
RESET_NOTIFICATION_INSTANCE mResetNotification = {\r
  RESET_NOTIFICATION_INSTANCE_SIGNATURE,\r
  {\r
    RegisterResetNotify,\r
    UnregisterResetNotify\r
  },\r
  INITIALIZE_LIST_HEAD_VARIABLE (mResetNotification.ResetNotifies)\r
};\r
\r
RESET_NOTIFICATION_INSTANCE mPlatformSpecificResetFilter = {\r
  RESET_NOTIFICATION_INSTANCE_SIGNATURE,\r
  {\r
    RegisterResetNotify,\r
    UnregisterResetNotify\r
  },\r
  INITIALIZE_LIST_HEAD_VARIABLE (mPlatformSpecificResetFilter.ResetNotifies)\r
};\r
\r
RESET_NOTIFICATION_INSTANCE mPlatformSpecificResetHandler = {\r
  RESET_NOTIFICATION_INSTANCE_SIGNATURE,\r
  {\r
    RegisterResetNotify,\r
    UnregisterResetNotify\r
  },\r
  INITIALIZE_LIST_HEAD_VARIABLE (mPlatformSpecificResetHandler.ResetNotifies)\r
};\r
\r
/**\r
  The driver's entry point.\r
\r
  It initializes the Reset Architectural Protocol.\r
\r
  @param[in] ImageHandle  The firmware allocated handle for the EFI image.\r
  @param[in] SystemTable  A pointer to the EFI System Table.\r
\r
  @retval EFI_SUCCESS     The entry point is executed successfully.\r
  @retval other           Cannot install ResetArch protocol.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
InitializeResetSystem (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
{\r
  EFI_STATUS  Status;\r
  EFI_HANDLE  Handle;\r
\r
  //\r
  // Make sure the Reset Architectural Protocol is not already installed in the system\r
  //\r
  ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiResetArchProtocolGuid);\r
\r
  //\r
  // Hook the runtime service table\r
  //\r
  gRT->ResetSystem = RuntimeServiceResetSystem;\r
\r
  //\r
  // Now install the Reset RT AP on a new handle\r
  //\r
  Handle = NULL;\r
  Status = gBS->InstallMultipleProtocolInterfaces (\r
                  &Handle,\r
                  &gEfiResetArchProtocolGuid,         NULL,\r
                  &gEfiResetNotificationProtocolGuid, &mResetNotification.ResetNotification,\r
                  &gEdkiiPlatformSpecificResetFilterProtocolGuid, &mPlatformSpecificResetFilter.ResetNotification,\r
                  &gEdkiiPlatformSpecificResetHandlerProtocolGuid, &mPlatformSpecificResetHandler.ResetNotification,\r
                  NULL\r
                  );\r
  ASSERT_EFI_ERROR (Status);\r
\r
  return Status;\r
}\r
\r
/**\r
  Resets the entire platform.\r
\r
  @param[in] ResetType          The type of reset to perform.\r
  @param[in] ResetStatus        The status code for the reset.\r
  @param[in] DataSize           The size, in bytes, of ResetData.\r
  @param[in] ResetData          For a ResetType of EfiResetCold, EfiResetWarm, or\r
                                EfiResetShutdown the data buffer starts with a Null-terminated\r
                                string, optionally followed by additional binary data.\r
                                The string is a description that the caller may use to further\r
                                indicate the reason for the system reset.\r
                                For a ResetType of EfiResetPlatformSpecific the data buffer\r
                                also starts with a Null-terminated string that is followed\r
                                by an EFI_GUID that describes the specific type of reset to perform.\r
**/\r
VOID\r
EFIAPI\r
RuntimeServiceResetSystem (\r
  IN EFI_RESET_TYPE   ResetType,\r
  IN EFI_STATUS       ResetStatus,\r
  IN UINTN            DataSize,\r
  IN VOID             *ResetData OPTIONAL\r
  )\r
{\r
  LIST_ENTRY          *Link;\r
  RESET_NOTIFY_ENTRY  *Entry;\r
\r
  //\r
  // Only do REPORT_STATUS_CODE() on first call to RuntimeServiceResetSystem()\r
  //\r
  if (mResetNotifyDepth == 0) {\r
    //\r
    // Indicate reset system runtime service is called.\r
    //\r
    REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_SOFTWARE_EFI_RUNTIME_SERVICE | EFI_SW_RS_PC_RESET_SYSTEM));\r
  }\r
\r
  mResetNotifyDepth++;\r
  DEBUG ((\r
    DEBUG_INFO, "DXE ResetSystem2: ResetType %s, Call Depth = %d.\n",\r
    mResetTypeStr[ResetType], mResetNotifyDepth\r
    ));\r
\r
  if (mResetNotifyDepth <= MAX_RESET_NOTIFY_DEPTH) {\r
    if (!EfiAtRuntime ()) {\r
      //\r
      // Call reset notification functions registered through the\r
      // EDKII_PLATFORM_SPECIFIC_RESET_FILTER_PROTOCOL.\r
      //\r
      for ( Link = GetFirstNode (&mPlatformSpecificResetFilter.ResetNotifies)\r
          ; !IsNull (&mPlatformSpecificResetFilter.ResetNotifies, Link)\r
          ; Link = GetNextNode (&mPlatformSpecificResetFilter.ResetNotifies, Link)\r
          ) {\r
        Entry = RESET_NOTIFY_ENTRY_FROM_LINK (Link);\r
        Entry->ResetNotify (ResetType, ResetStatus, DataSize, ResetData);\r
      }\r
      //\r
      // Call reset notification functions registered through the\r
      // EFI_RESET_NOTIFICATION_PROTOCOL.\r
      //\r
      for ( Link = GetFirstNode (&mResetNotification.ResetNotifies)\r
          ; !IsNull (&mResetNotification.ResetNotifies, Link)\r
          ; Link = GetNextNode (&mResetNotification.ResetNotifies, Link)\r
          ) {\r
        Entry = RESET_NOTIFY_ENTRY_FROM_LINK (Link);\r
        Entry->ResetNotify (ResetType, ResetStatus, DataSize, ResetData);\r
      }\r
      //\r
      // call reset notification functions registered through the\r
      // EDKII_PLATFORM_SPECIFIC_RESET_HANDLER_PROTOCOL.\r
      //\r
      for ( Link = GetFirstNode (&mPlatformSpecificResetHandler.ResetNotifies)\r
          ; !IsNull (&mPlatformSpecificResetHandler.ResetNotifies, Link)\r
          ; Link = GetNextNode (&mPlatformSpecificResetHandler.ResetNotifies, Link)\r
          ) {\r
        Entry = RESET_NOTIFY_ENTRY_FROM_LINK (Link);\r
        Entry->ResetNotify (ResetType, ResetStatus, DataSize, ResetData);\r
      }\r
    }\r
  } else {\r
    ASSERT (ResetType < ARRAY_SIZE (mResetTypeStr));\r
    DEBUG ((DEBUG_ERROR, "DXE ResetSystem2: Maximum reset call depth is met. Use the current reset type: %s!\n", mResetTypeStr[ResetType]));\r
  }\r
\r
  switch (ResetType) {\r
  case EfiResetWarm:\r
\r
    ResetWarm ();\r
    break;\r
\r
 case EfiResetCold:\r
    ResetCold ();\r
    break;\r
\r
  case EfiResetShutdown:\r
    ResetShutdown ();\r
    return ;\r
\r
  case EfiResetPlatformSpecific:\r
    ResetPlatformSpecific (DataSize, ResetData);\r
    return;\r
\r
  default:\r
    return ;\r
  }\r
\r
  //\r
  // Given we should have reset getting here would be bad\r
  //\r
  ASSERT (FALSE);\r
}\r
Commit	Line	Data
51a0c5f2	1	/** @file\r
cf6da556	2	Reset Architectural and Reset Notification protocols implementation.\r
51a0c5f2	3	\r
e2531da3	4	Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>\r
51a0c5f2	5	\r
9d510e61	6	SPDX-License-Identifier: BSD-2-Clause-Patent\r
51a0c5f2	7	\r
	8	**/\r
	9	\r
	10	#include "ResetSystem.h"\r
	11	\r
4bf95a9f RN	12	GLOBAL_REMOVE_IF_UNREFERENCED CHAR16 *mResetTypeStr[] = {\r
	13	L"Cold", L"Warm", L"Shutdown", L"PlatformSpecific"\r
	14	};\r
	15	\r
99a6529e MK	16	//\r
	17	// The current ResetSystem() notification recursion depth\r
	18	//\r
	19	UINTN mResetNotifyDepth = 0;\r
	20	\r
cf6da556 RN	21	/**\r
	22	Register a notification function to be called when ResetSystem() is called.\r
	23	\r
	24	The RegisterResetNotify() function registers a notification function that is called when\r
	25	ResetSystem()is called and prior to completing the reset of the platform.\r
	26	The registered functions must not perform a platform reset themselves. These\r
	27	notifications are intended only for the notification of components which may need some\r
	28	special-purpose maintenance prior to the platform resetting.\r
	29	The list of registered reset notification functions are processed if ResetSystem()is called\r
	30	before ExitBootServices(). The list of registered reset notification functions is ignored if\r
	31	ResetSystem()is called after ExitBootServices().\r
	32	\r
	33	@param[in] This A pointer to the EFI_RESET_NOTIFICATION_PROTOCOL instance.\r
	34	@param[in] ResetFunction Points to the function to be called when a ResetSystem() is executed.\r
	35	\r
	36	@retval EFI_SUCCESS The reset notification function was successfully registered.\r
	37	@retval EFI_INVALID_PARAMETER ResetFunction is NULL.\r
	38	@retval EFI_OUT_OF_RESOURCES There are not enough resources available to register the reset notification function.\r
	39	@retval EFI_ALREADY_STARTED The reset notification function specified by ResetFunction has already been registered.\r
	40	\r
	41	**/\r
	42	EFI_STATUS\r
	43	EFIAPI\r
	44	RegisterResetNotify (\r
	45	IN EFI_RESET_NOTIFICATION_PROTOCOL *This,\r
	46	IN EFI_RESET_SYSTEM ResetFunction\r
	47	)\r
	48	{\r
	49	RESET_NOTIFICATION_INSTANCE *Instance;\r
	50	LIST_ENTRY *Link;\r
	51	RESET_NOTIFY_ENTRY *Entry;\r
	52	\r
	53	if (ResetFunction == NULL) {\r
	54	return EFI_INVALID_PARAMETER;\r
	55	}\r
	56	\r
	57	Instance = RESET_NOTIFICATION_INSTANCE_FROM_THIS (This);\r
	58	\r
	59	for ( Link = GetFirstNode (&Instance->ResetNotifies)\r
	60	; !IsNull (&Instance->ResetNotifies, Link)\r
	61	; Link = GetNextNode (&Instance->ResetNotifies, Link)\r
	62	) {\r
	63	Entry = RESET_NOTIFY_ENTRY_FROM_LINK (Link);\r
	64	if (Entry->ResetNotify == ResetFunction) {\r
	65	return EFI_ALREADY_STARTED;\r
	66	}\r
	67	}\r
	68	\r
	69	ASSERT (IsNull (&Instance->ResetNotifies, Link));\r
	70	Entry = AllocatePool (sizeof (*Entry));\r
	71	if (Entry == NULL) {\r
	72	return EFI_OUT_OF_RESOURCES;\r
	73	}\r
	74	Entry->Signature = RESET_NOTIFY_ENTRY_SIGNATURE;\r
	75	Entry->ResetNotify = ResetFunction;\r
	76	InsertTailList (&Instance->ResetNotifies, &Entry->Link);\r
	77	return EFI_SUCCESS;\r
	78	}\r
	79	\r
	80	/**\r
	81	Unregister a notification function.\r
	82	\r
	83	The UnregisterResetNotify() function removes the previously registered\r
	84	notification using RegisterResetNotify().\r
85	\r
86	@param[in] This A pointer to the EFI_RESET_NOTIFICATION_PROTOCOL instance.\r
87	@param[in] ResetFunction The pointer to the ResetFunction being unregistered.\r
88	\r
89	@retval EFI_SUCCESS The reset notification function was unregistered.\r
90	@retval EFI_INVALID_PARAMETER ResetFunction is NULL.\r
91	@retval EFI_INVALID_PARAMETER The reset notification function specified by ResetFunction was not previously\r
92	registered using RegisterResetNotify().\r
93	\r
94	**/\r
95	EFI_STATUS\r
96	EFIAPI\r
97	UnregisterResetNotify (\r
98	IN EFI_RESET_NOTIFICATION_PROTOCOL *This,\r
99	IN EFI_RESET_SYSTEM ResetFunction\r
100	)\r
101	{\r
102	RESET_NOTIFICATION_INSTANCE *Instance;\r
103	LIST_ENTRY *Link;\r
104	RESET_NOTIFY_ENTRY *Entry;\r
105	\r
106	if (ResetFunction == NULL) {\r
107	return EFI_INVALID_PARAMETER;\r
108	}\r
109	\r
110	Instance = RESET_NOTIFICATION_INSTANCE_FROM_THIS (This);\r
111	\r
112	for ( Link = GetFirstNode (&Instance->ResetNotifies)\r
113	; !IsNull (&Instance->ResetNotifies, Link)\r
114	; Link = GetNextNode (&Instance->ResetNotifies, Link)\r
115	) {\r
116	Entry = RESET_NOTIFY_ENTRY_FROM_LINK (Link);\r
117	if (Entry->ResetNotify == ResetFunction) {\r
118	RemoveEntryList (&Entry->Link);\r
119	FreePool (Entry);\r
120	return EFI_SUCCESS;\r
121	}\r
122	}\r
123	\r
124	return EFI_INVALID_PARAMETER;\r
125	}\r
126	\r
127	RESET_NOTIFICATION_INSTANCE mResetNotification = {\r
128	RESET_NOTIFICATION_INSTANCE_SIGNATURE,\r
129	{\r
130	RegisterResetNotify,\r
131	UnregisterResetNotify\r
132	},\r
133	INITIALIZE_LIST_HEAD_VARIABLE (mResetNotification.ResetNotifies)\r
134	};\r
135	\r
99a6529e MK	136	RESET_NOTIFICATION_INSTANCE mPlatformSpecificResetFilter = {\r
	137	RESET_NOTIFICATION_INSTANCE_SIGNATURE,\r
	138	{\r
	139	RegisterResetNotify,\r
	140	UnregisterResetNotify\r
	141	},\r
	142	INITIALIZE_LIST_HEAD_VARIABLE (mPlatformSpecificResetFilter.ResetNotifies)\r
	143	};\r
	144	\r
	145	RESET_NOTIFICATION_INSTANCE mPlatformSpecificResetHandler = {\r
	146	RESET_NOTIFICATION_INSTANCE_SIGNATURE,\r
	147	{\r
	148	RegisterResetNotify,\r
	149	UnregisterResetNotify\r
	150	},\r
	151	INITIALIZE_LIST_HEAD_VARIABLE (mPlatformSpecificResetHandler.ResetNotifies)\r
	152	};\r
	153	\r
51a0c5f2	154	/**\r
	155	The driver's entry point.\r
	156	\r
	157	It initializes the Reset Architectural Protocol.\r
	158	\r
d1102dba	159	@param[in] ImageHandle The firmware allocated handle for the EFI image.\r
51a0c5f2	160	@param[in] SystemTable A pointer to the EFI System Table.\r
d1102dba	161	\r
51a0c5f2	162	@retval EFI_SUCCESS The entry point is executed successfully.\r
	163	@retval other Cannot install ResetArch protocol.\r
	164	\r
	165	**/\r
	166	EFI_STATUS\r
	167	EFIAPI\r
	168	InitializeResetSystem (\r
	169	IN EFI_HANDLE ImageHandle,\r
	170	IN EFI_SYSTEM_TABLE *SystemTable\r
	171	)\r
	172	{\r
	173	EFI_STATUS Status;\r
34861f43	174	EFI_HANDLE Handle;\r
51a0c5f2	175	\r
	176	//\r
	177	// Make sure the Reset Architectural Protocol is not already installed in the system\r
	178	//\r
	179	ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiResetArchProtocolGuid);\r
	180	\r
	181	//\r
	182	// Hook the runtime service table\r
	183	//\r
e2531da3	184	gRT->ResetSystem = RuntimeServiceResetSystem;\r
51a0c5f2	185	\r
	186	//\r
	187	// Now install the Reset RT AP on a new handle\r
	188	//\r
34861f43	189	Handle = NULL;\r
51a0c5f2	190	Status = gBS->InstallMultipleProtocolInterfaces (\r
34861f43	191	&Handle,\r
cf6da556 RN	192	&gEfiResetArchProtocolGuid, NULL,\r
cf6da556 RN	193	&gEfiResetNotificationProtocolGuid, &mResetNotification.ResetNotification,\r
99a6529e MK	194	&gEdkiiPlatformSpecificResetFilterProtocolGuid, &mPlatformSpecificResetFilter.ResetNotification,\r
99a6529e MK	195	&gEdkiiPlatformSpecificResetHandlerProtocolGuid, &mPlatformSpecificResetHandler.ResetNotification,\r
51a0c5f2	196	NULL\r
	197	);\r
	198	ASSERT_EFI_ERROR (Status);\r
	199	\r
	200	return Status;\r
	201	}\r
	202	\r
51a0c5f2	203	/**\r
	204	Resets the entire platform.\r
	205	\r
	206	@param[in] ResetType The type of reset to perform.\r
	207	@param[in] ResetStatus The status code for the reset.\r
37078045	208	@param[in] DataSize The size, in bytes, of ResetData.\r
51a0c5f2	209	@param[in] ResetData For a ResetType of EfiResetCold, EfiResetWarm, or\r
	210	EfiResetShutdown the data buffer starts with a Null-terminated\r
	211	string, optionally followed by additional binary data.\r
37078045	212	The string is a description that the caller may use to further\r
f69cb108	213	indicate the reason for the system reset.\r
eeeabe40 SZ	214	For a ResetType of EfiResetPlatformSpecific the data buffer\r
	215	also starts with a Null-terminated string that is followed\r
	216	by an EFI_GUID that describes the specific type of reset to perform.\r
51a0c5f2	217	**/\r
	218	VOID\r
	219	EFIAPI\r
e2531da3	220	RuntimeServiceResetSystem (\r
51a0c5f2	221	IN EFI_RESET_TYPE ResetType,\r
	222	IN EFI_STATUS ResetStatus,\r
	223	IN UINTN DataSize,\r
	224	IN VOID *ResetData OPTIONAL\r
	225	)\r
	226	{\r
cf6da556 RN	227	LIST_ENTRY *Link;\r
cf6da556 RN	228	RESET_NOTIFY_ENTRY *Entry;\r
99a6529e	229	\r
37623a5c	230	//\r
e2531da3	231	// Only do REPORT_STATUS_CODE() on first call to RuntimeServiceResetSystem()\r
37623a5c	232	//\r
99a6529e MK	233	if (mResetNotifyDepth == 0) {\r
	234	//\r
	235	// Indicate reset system runtime service is called.\r
	236	//\r
	237	REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_SOFTWARE_EFI_RUNTIME_SERVICE \| EFI_SW_RS_PC_RESET_SYSTEM));\r
	238	}\r
51a0c5f2	239	\r
99a6529e	240	mResetNotifyDepth++;\r
9c227e07 RN	241	DEBUG ((\r
	242	DEBUG_INFO, "DXE ResetSystem2: ResetType %s, Call Depth = %d.\n",\r
	243	mResetTypeStr[ResetType], mResetNotifyDepth\r
	244	));\r
4bf95a9f RN	245	\r
	246	if (mResetNotifyDepth <= MAX_RESET_NOTIFY_DEPTH) {\r
	247	if (!EfiAtRuntime ()) {\r
	248	//\r
	249	// Call reset notification functions registered through the\r
	250	// EDKII_PLATFORM_SPECIFIC_RESET_FILTER_PROTOCOL.\r
	251	//\r
	252	for ( Link = GetFirstNode (&mPlatformSpecificResetFilter.ResetNotifies)\r
	253	; !IsNull (&mPlatformSpecificResetFilter.ResetNotifies, Link)\r
	254	; Link = GetNextNode (&mPlatformSpecificResetFilter.ResetNotifies, Link)\r
	255	) {\r
	256	Entry = RESET_NOTIFY_ENTRY_FROM_LINK (Link);\r
	257	Entry->ResetNotify (ResetType, ResetStatus, DataSize, ResetData);\r
	258	}\r
	259	//\r
	260	// Call reset notification functions registered through the\r
	261	// EFI_RESET_NOTIFICATION_PROTOCOL.\r
	262	//\r
	263	for ( Link = GetFirstNode (&mResetNotification.ResetNotifies)\r
	264	; !IsNull (&mResetNotification.ResetNotifies, Link)\r
	265	; Link = GetNextNode (&mResetNotification.ResetNotifies, Link)\r
	266	) {\r
	267	Entry = RESET_NOTIFY_ENTRY_FROM_LINK (Link);\r
	268	Entry->ResetNotify (ResetType, ResetStatus, DataSize, ResetData);\r
	269	}\r
	270	//\r
d1102dba	271	// call reset notification functions registered through the\r
4bf95a9f RN	272	// EDKII_PLATFORM_SPECIFIC_RESET_HANDLER_PROTOCOL.\r
	273	//\r
	274	for ( Link = GetFirstNode (&mPlatformSpecificResetHandler.ResetNotifies)\r
	275	; !IsNull (&mPlatformSpecificResetHandler.ResetNotifies, Link)\r
	276	; Link = GetNextNode (&mPlatformSpecificResetHandler.ResetNotifies, Link)\r
	277	) {\r
	278	Entry = RESET_NOTIFY_ENTRY_FROM_LINK (Link);\r
	279	Entry->ResetNotify (ResetType, ResetStatus, DataSize, ResetData);\r
	280	}\r
cf6da556	281	}\r
4bf95a9f RN	282	} else {\r
	283	ASSERT (ResetType < ARRAY_SIZE (mResetTypeStr));\r
	284	DEBUG ((DEBUG_ERROR, "DXE ResetSystem2: Maximum reset call depth is met. Use the current reset type: %s!\n", mResetTypeStr[ResetType]));\r
cf6da556 RN	285	}\r
cf6da556 RN	286	\r
51a0c5f2	287	switch (ResetType) {\r
	288	case EfiResetWarm:\r
	289	\r
51a0c5f2	290	ResetWarm ();\r
51a0c5f2	291	break;\r
	292	\r
	293	case EfiResetCold:\r
	294	ResetCold ();\r
	295	break;\r
	296	\r
	297	case EfiResetShutdown:\r
	298	ResetShutdown ();\r
	299	return ;\r
	300	\r
37078045 RN	301	case EfiResetPlatformSpecific:\r
	302	ResetPlatformSpecific (DataSize, ResetData);\r
	303	return;\r
	304	\r
51a0c5f2	305	default:\r
	306	return ;\r
	307	}\r
	308	\r
	309	//\r
	310	// Given we should have reset getting here would be bad\r
	311	//\r
	312	ASSERT (FALSE);\r
	313	}\r