[mirror_edk2.git] / MdeModulePkg / Universal / ReportStatusCodeRouter / Pei / ReportStatusCodeRouterPei.c

/** @file\r
  Report Status Code Router PEIM which produces Report Stataus Code Handler PPI and Status Code PPI.\r
\r
  Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "ReportStatusCodeRouterPei.h"\r
\r
EFI_PEI_RSC_HANDLER_PPI     mRscHandlerPpi = {\r
  Register,\r
  Unregister\r
  };\r
\r
EFI_PEI_PROGRESS_CODE_PPI     mStatusCodePpi = {\r
  ReportDispatcher\r
  };\r
\r
EFI_PEI_PPI_DESCRIPTOR   mRscHandlerPpiList[] = {\r
  {\r
    EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,\r
    &gEfiPeiRscHandlerPpiGuid,\r
    &mRscHandlerPpi\r
  }\r
};\r
\r
EFI_PEI_PPI_DESCRIPTOR   mStatusCodePpiList[] = {\r
  {\r
    EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,\r
    &gEfiPeiStatusCodePpiGuid,\r
    &mStatusCodePpi\r
  }\r
};\r
\r
/**\r
  Worker function to create one memory status code GUID'ed HOB,\r
  using PacketIndex to identify the packet.\r
\r
  @param   PacketIndex    Index of records packet.\r
\r
  @return  Pointer to the memory status code packet.\r
\r
**/\r
UINTN *\r
CreateRscHandlerCallbackPacket (\r
  VOID\r
  )\r
{\r
  UINTN  *NumberOfEntries;\r
\r
  //\r
  // Build GUID'ed HOB with PCD defined size.\r
  //\r
  NumberOfEntries = BuildGuidHob (\r
                      &gStatusCodeCallbackGuid,\r
                      sizeof (EFI_PEI_RSC_HANDLER_CALLBACK) * 64 + sizeof (UINTN)\r
                      );\r
  ASSERT (NumberOfEntries != NULL);\r
\r
  *NumberOfEntries = 0;\r
\r
  return NumberOfEntries;\r
}\r
\r
/**\r
  Register the callback function for ReportStatusCode() notification.\r
\r
  When this function is called the function pointer is added to an internal list and any future calls to\r
  ReportStatusCode() will be forwarded to the Callback function.\r
\r
  @param[in] Callback           A pointer to a function of type EFI_PEI_RSC_HANDLER_CALLBACK that is called\r
                                when a call to ReportStatusCode() occurs.\r
\r
  @retval EFI_SUCCESS           Function was successfully registered.\r
  @retval EFI_INVALID_PARAMETER The callback function was NULL.\r
  @retval EFI_OUT_OF_RESOURCES  The internal buffer ran out of space. No more functions can be\r
                                registered.\r
  @retval EFI_ALREADY_STARTED   The function was already registered. It can't be registered again.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
Register (\r
  IN EFI_PEI_RSC_HANDLER_CALLBACK Callback\r
  )\r
{\r
  EFI_PEI_HOB_POINTERS          Hob;\r
  EFI_PEI_RSC_HANDLER_CALLBACK  *CallbackEntry;\r
  UINTN                         *NumberOfEntries;\r
  UINTN                         Index;\r
  UINTN                         FreeEntryIndex;\r
  UINTN                         *FreePacket;\r
\r
  if (Callback == NULL) {\r
    return EFI_INVALID_PARAMETER;\r
  }\r
\r
  Hob.Raw        = GetFirstGuidHob (&gStatusCodeCallbackGuid);\r
  FreePacket     = NULL;\r
  FreeEntryIndex = 0;\r
  while (Hob.Raw != NULL) {\r
    NumberOfEntries = GET_GUID_HOB_DATA (Hob);\r
    CallbackEntry   = (EFI_PEI_RSC_HANDLER_CALLBACK *) (NumberOfEntries + 1);\r
    if (FreePacket == NULL && *NumberOfEntries < 64) {\r
      //\r
      // If current total number of handlers does not exceed 64, put new handler\r
      // at the last of packet\r
      //\r
      FreePacket = NumberOfEntries;\r
      FreeEntryIndex = *NumberOfEntries;\r
    }\r
    for (Index = 0; Index < *NumberOfEntries; Index++) {\r
      if (CallbackEntry[Index] == Callback) {\r
        //\r
        // If the function was already registered. It can't be registered again.\r
        //\r
        return EFI_ALREADY_STARTED;\r
      }\r
      if (FreePacket == NULL && CallbackEntry[Index] == NULL) {\r
        //\r
        // If the total number of handlers in current packet is max value 64,\r
        // search an entry with NULL pointer and fill new handler into this entry.\r
        //\r
        FreePacket = NumberOfEntries;\r
        FreeEntryIndex = Index;\r
      }\r
    }\r
    Hob.Raw = GET_NEXT_HOB (Hob);\r
    Hob.Raw = GetNextGuidHob (&gStatusCodeCallbackGuid, Hob.Raw);\r
  }\r
\r
  if (FreePacket == NULL) {\r
    FreePacket = CreateRscHandlerCallbackPacket();\r
  }\r
\r
  CallbackEntry = (EFI_PEI_RSC_HANDLER_CALLBACK *) (FreePacket + 1);\r
  CallbackEntry[FreeEntryIndex] = Callback;\r
\r
  if (*FreePacket == FreeEntryIndex) {\r
    //\r
    // If new registered callback is added as a new entry in the packet,\r
    // increase the total number of handlers in the packet.\r
    //\r
    *FreePacket += 1;\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Remove a previously registered callback function from the notification list.\r
\r
  ReportStatusCode() messages will no longer be forwarded to the Callback function.\r
\r
  @param[in] Callback           A pointer to a function of type EFI_PEI_RSC_HANDLER_CALLBACK that is to be\r
                                unregistered.\r
\r
  @retval EFI_SUCCESS           The function was successfully unregistered.\r
  @retval EFI_INVALID_PARAMETER The callback function was NULL.\r
  @retval EFI_NOT_FOUND         The callback function was not found to be unregistered.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
Unregister (\r
  IN EFI_PEI_RSC_HANDLER_CALLBACK Callback\r
  )\r
{\r
  EFI_PEI_HOB_POINTERS            Hob;\r
  EFI_PEI_RSC_HANDLER_CALLBACK    *CallbackEntry;\r
  UINTN                           *NumberOfEntries;\r
  UINTN                           Index;\r
\r
  if (Callback == NULL) {\r
    return EFI_INVALID_PARAMETER;\r
  }\r
\r
  Hob.Raw  = GetFirstGuidHob (&gStatusCodeCallbackGuid);\r
  while (Hob.Raw != NULL) {\r
    NumberOfEntries = GET_GUID_HOB_DATA (Hob);\r
    CallbackEntry   = (EFI_PEI_RSC_HANDLER_CALLBACK *) (NumberOfEntries + 1);\r
    for (Index = 0; Index < *NumberOfEntries; Index++) {\r
      if (CallbackEntry[Index] == Callback) {\r
        //\r
        // Set removed entry as NULL.\r
        //\r
        CallbackEntry[Index] = NULL;\r
        return EFI_SUCCESS;\r
      }\r
    }\r
    Hob.Raw = GET_NEXT_HOB (Hob);\r
    Hob.Raw = GetNextGuidHob (&gStatusCodeCallbackGuid, Hob.Raw);\r
  }\r
\r
  return EFI_NOT_FOUND;\r
}\r
\r
/**\r
  Publishes an interface that allows PEIMs to report status codes.\r
\r
  This function implements EFI_PEI_PROGRESS_CODE_PPI.ReportStatusCode().\r
  It publishes an interface that allows PEIMs to report status codes.\r
\r
  @param  PeiServices      An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.\r
  @param  CodeType         Indicates the type of status code being reported.\r
  @param  Value            Describes the current status of a hardware or\r
                           software entity. This includes information about the class and\r
                           subclass that is used to classify the entity as well as an operation.\r
                           For progress codes, the operation is the current activity.\r
                           For error codes, it is the exception.For debug codes,it is not defined at this time.\r
  @param  Instance         The enumeration of a hardware or software entity within\r
                           the system. A system may contain multiple entities that match a class/subclass\r
                           pairing. The instance differentiates between them. An instance of 0 indicates\r
                           that instance information is unavailable, not meaningful, or not relevant.\r
                           Valid instance numbers start with 1.\r
  @param  CallerId         This optional parameter may be used to identify the caller.\r
                           This parameter allows the status code driver to apply different rules to\r
                           different callers.\r
  @param  Data             This optional parameter may be used to pass additional data.\r
\r
  @retval EFI_SUCCESS      The function completed successfully.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ReportDispatcher (\r
  IN CONST EFI_PEI_SERVICES         **PeiServices,\r
  IN EFI_STATUS_CODE_TYPE           CodeType,\r
  IN EFI_STATUS_CODE_VALUE          Value,\r
  IN UINT32                         Instance,\r
  IN CONST EFI_GUID                 *CallerId OPTIONAL,\r
  IN CONST EFI_STATUS_CODE_DATA     *Data OPTIONAL\r
  )\r
{\r
  EFI_PEI_HOB_POINTERS            Hob;\r
  EFI_PEI_RSC_HANDLER_CALLBACK    *CallbackEntry;\r
  UINTN                           *NumberOfEntries;\r
  UINTN                           Index;\r
\r
  Hob.Raw  = GetFirstGuidHob (&gStatusCodeCallbackGuid);\r
  while (Hob.Raw != NULL) {\r
    NumberOfEntries = GET_GUID_HOB_DATA (Hob);\r
    CallbackEntry   = (EFI_PEI_RSC_HANDLER_CALLBACK *) (NumberOfEntries + 1);\r
    for (Index = 0; Index < *NumberOfEntries; Index++) {\r
      if (CallbackEntry[Index] != NULL) {\r
      CallbackEntry[Index](\r
        PeiServices,\r
        CodeType,\r
        Value,\r
        Instance,\r
        CallerId,\r
        Data\r
        );\r
      }\r
    }\r
    Hob.Raw = GET_NEXT_HOB (Hob);\r
    Hob.Raw = GetNextGuidHob (&gStatusCodeCallbackGuid, Hob.Raw);\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Entry point of Status Code PEIM.\r
\r
  This function is the entry point of this Status Code Router PEIM.\r
  It produces Report Stataus Code Handler PPI and Status Code PPI.\r
\r
  @param  FileHandle  Handle of the file being invoked.\r
  @param  PeiServices Describes the list of possible PEI Services.\r
\r
  @retval EFI_SUCESS  The entry point of DXE IPL PEIM executes successfully.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
GenericStatusCodePeiEntry (\r
  IN       EFI_PEI_FILE_HANDLE  FileHandle,\r
  IN CONST EFI_PEI_SERVICES     **PeiServices\r
  )\r
{\r
  EFI_STATUS                 Status;\r
  EFI_PEI_PPI_DESCRIPTOR     *OldDescriptor;\r
  EFI_PEI_PROGRESS_CODE_PPI  *OldStatusCodePpi;\r
\r
  CreateRscHandlerCallbackPacket ();\r
\r
  //\r
  // Install Report Status Code Handler PPI\r
  //\r
  Status = PeiServicesInstallPpi (mRscHandlerPpiList);\r
  ASSERT_EFI_ERROR (Status);\r
\r
  //\r
  // Install Status Code PPI. PI spec specifies that there can be only one instance\r
  // of this PPI in system. So first check if other instance already exists.\r
  // If no other instance exists, then just install the PPI.\r
  // If other instance already exists, then reinstall it.\r
  //\r
  Status = PeiServicesLocatePpi (\r
             &gEfiPeiStatusCodePpiGuid,\r
             0,\r
             &OldDescriptor,\r
             (VOID **) &OldStatusCodePpi\r
             );\r
  if (!EFI_ERROR (Status)) {\r
    Status = PeiServicesReInstallPpi (OldDescriptor, mStatusCodePpiList);\r
  } else {\r
    Status = PeiServicesInstallPpi (mStatusCodePpiList);\r
  }\r
  ASSERT_EFI_ERROR (Status);\r
\r
  return EFI_SUCCESS;\r
}\r
Commit	Line	Data
25126a05	1	/** @file\r
	2	Report Status Code Router PEIM which produces Report Stataus Code Handler PPI and Status Code PPI.\r
	3	\r
d1102dba	4	Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>\r
9d510e61	5	SPDX-License-Identifier: BSD-2-Clause-Patent\r
25126a05	6	\r
	7	**/\r
	8	\r
	9	#include "ReportStatusCodeRouterPei.h"\r
	10	\r
	11	EFI_PEI_RSC_HANDLER_PPI mRscHandlerPpi = {\r
	12	Register,\r
	13	Unregister\r
	14	};\r
	15	\r
	16	EFI_PEI_PROGRESS_CODE_PPI mStatusCodePpi = {\r
	17	ReportDispatcher\r
	18	};\r
	19	\r
e9867606	20	EFI_PEI_PPI_DESCRIPTOR mRscHandlerPpiList[] = {\r
25126a05	21	{\r
e9867606	22	EFI_PEI_PPI_DESCRIPTOR_PPI \| EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,\r
25126a05	23	&gEfiPeiRscHandlerPpiGuid,\r
25126a05	24	&mRscHandlerPpi\r
e9867606	25	}\r
	26	};\r
	27	\r
	28	EFI_PEI_PPI_DESCRIPTOR mStatusCodePpiList[] = {\r
25126a05	29	{\r
	30	EFI_PEI_PPI_DESCRIPTOR_PPI \| EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,\r
	31	&gEfiPeiStatusCodePpiGuid,\r
	32	&mStatusCodePpi\r
	33	}\r
	34	};\r
	35	\r
	36	/**\r
	37	Worker function to create one memory status code GUID'ed HOB,\r
	38	using PacketIndex to identify the packet.\r
	39	\r
	40	@param PacketIndex Index of records packet.\r
	41	\r
	42	@return Pointer to the memory status code packet.\r
	43	\r
	44	**/\r
	45	UINTN *\r
	46	CreateRscHandlerCallbackPacket (\r
	47	VOID\r
	48	)\r
	49	{\r
	50	UINTN *NumberOfEntries;\r
	51	\r
	52	//\r
	53	// Build GUID'ed HOB with PCD defined size.\r
	54	//\r
	55	NumberOfEntries = BuildGuidHob (\r
	56	&gStatusCodeCallbackGuid,\r
	57	sizeof (EFI_PEI_RSC_HANDLER_CALLBACK) * 64 + sizeof (UINTN)\r
	58	);\r
	59	ASSERT (NumberOfEntries != NULL);\r
	60	\r
	61	*NumberOfEntries = 0;\r
	62	\r
	63	return NumberOfEntries;\r
	64	}\r
	65	\r
	66	/**\r
	67	Register the callback function for ReportStatusCode() notification.\r
d1102dba	68	\r
25126a05	69	When this function is called the function pointer is added to an internal list and any future calls to\r
	70	ReportStatusCode() will be forwarded to the Callback function.\r
	71	\r
	72	@param[in] Callback A pointer to a function of type EFI_PEI_RSC_HANDLER_CALLBACK that is called\r
	73	when a call to ReportStatusCode() occurs.\r
d1102dba	74	\r
25126a05	75	@retval EFI_SUCCESS Function was successfully registered.\r
	76	@retval EFI_INVALID_PARAMETER The callback function was NULL.\r
	77	@retval EFI_OUT_OF_RESOURCES The internal buffer ran out of space. No more functions can be\r
	78	registered.\r
	79	@retval EFI_ALREADY_STARTED The function was already registered. It can't be registered again.\r
d1102dba	80	\r
25126a05	81	**/\r
	82	EFI_STATUS\r
	83	EFIAPI\r
	84	Register (\r
	85	IN EFI_PEI_RSC_HANDLER_CALLBACK Callback\r
	86	)\r
	87	{\r
	88	EFI_PEI_HOB_POINTERS Hob;\r
	89	EFI_PEI_RSC_HANDLER_CALLBACK *CallbackEntry;\r
	90	UINTN *NumberOfEntries;\r
	91	UINTN Index;\r
04bbf1f3	92	UINTN FreeEntryIndex;\r
25126a05	93	UINTN *FreePacket;\r
	94	\r
	95	if (Callback == NULL) {\r
	96	return EFI_INVALID_PARAMETER;\r
	97	}\r
	98	\r
04bbf1f3	99	Hob.Raw = GetFirstGuidHob (&gStatusCodeCallbackGuid);\r
	100	FreePacket = NULL;\r
	101	FreeEntryIndex = 0;\r
25126a05	102	while (Hob.Raw != NULL) {\r
	103	NumberOfEntries = GET_GUID_HOB_DATA (Hob);\r
	104	CallbackEntry = (EFI_PEI_RSC_HANDLER_CALLBACK *) (NumberOfEntries + 1);\r
04bbf1f3	105	if (FreePacket == NULL && *NumberOfEntries < 64) {\r
	106	//\r
	107	// If current total number of handlers does not exceed 64, put new handler\r
	108	// at the last of packet\r
	109	//\r
25126a05	110	FreePacket = NumberOfEntries;\r
04bbf1f3	111	FreeEntryIndex = *NumberOfEntries;\r
25126a05	112	}\r
	113	for (Index = 0; Index < *NumberOfEntries; Index++) {\r
	114	if (CallbackEntry[Index] == Callback) {\r
	115	//\r
	116	// If the function was already registered. It can't be registered again.\r
	117	//\r
	118	return EFI_ALREADY_STARTED;\r
	119	}\r
04bbf1f3	120	if (FreePacket == NULL && CallbackEntry[Index] == NULL) {\r
	121	//\r
	122	// If the total number of handlers in current packet is max value 64,\r
	123	// search an entry with NULL pointer and fill new handler into this entry.\r
d1102dba	124	//\r
04bbf1f3	125	FreePacket = NumberOfEntries;\r
	126	FreeEntryIndex = Index;\r
	127	}\r
25126a05	128	}\r
	129	Hob.Raw = GET_NEXT_HOB (Hob);\r
	130	Hob.Raw = GetNextGuidHob (&gStatusCodeCallbackGuid, Hob.Raw);\r
	131	}\r
	132	\r
	133	if (FreePacket == NULL) {\r
	134	FreePacket = CreateRscHandlerCallbackPacket();\r
	135	}\r
	136	\r
	137	CallbackEntry = (EFI_PEI_RSC_HANDLER_CALLBACK *) (FreePacket + 1);\r
04bbf1f3	138	CallbackEntry[FreeEntryIndex] = Callback;\r
d1102dba	139	\r
04bbf1f3	140	if (*FreePacket == FreeEntryIndex) {\r
	141	//\r
	142	// If new registered callback is added as a new entry in the packet,\r
	143	// increase the total number of handlers in the packet.\r
	144	//\r
	145	*FreePacket += 1;\r
	146	}\r
25126a05	147	\r
	148	return EFI_SUCCESS;\r
	149	}\r
	150	\r
	151	/**\r
	152	Remove a previously registered callback function from the notification list.\r
d1102dba	153	\r
25126a05	154	ReportStatusCode() messages will no longer be forwarded to the Callback function.\r
d1102dba	155	\r
25126a05	156	@param[in] Callback A pointer to a function of type EFI_PEI_RSC_HANDLER_CALLBACK that is to be\r
	157	unregistered.\r
	158	\r
	159	@retval EFI_SUCCESS The function was successfully unregistered.\r
	160	@retval EFI_INVALID_PARAMETER The callback function was NULL.\r
	161	@retval EFI_NOT_FOUND The callback function was not found to be unregistered.\r
d1102dba	162	\r
25126a05	163	**/\r
	164	EFI_STATUS\r
	165	EFIAPI\r
	166	Unregister (\r
	167	IN EFI_PEI_RSC_HANDLER_CALLBACK Callback\r
	168	)\r
	169	{\r
	170	EFI_PEI_HOB_POINTERS Hob;\r
	171	EFI_PEI_RSC_HANDLER_CALLBACK *CallbackEntry;\r
	172	UINTN *NumberOfEntries;\r
	173	UINTN Index;\r
	174	\r
	175	if (Callback == NULL) {\r
	176	return EFI_INVALID_PARAMETER;\r
	177	}\r
	178	\r
	179	Hob.Raw = GetFirstGuidHob (&gStatusCodeCallbackGuid);\r
	180	while (Hob.Raw != NULL) {\r
	181	NumberOfEntries = GET_GUID_HOB_DATA (Hob);\r
	182	CallbackEntry = (EFI_PEI_RSC_HANDLER_CALLBACK *) (NumberOfEntries + 1);\r
	183	for (Index = 0; Index < *NumberOfEntries; Index++) {\r
	184	if (CallbackEntry[Index] == Callback) {\r
04bbf1f3	185	//\r
	186	// Set removed entry as NULL.\r
	187	//\r
	188	CallbackEntry[Index] = NULL;\r
25126a05	189	return EFI_SUCCESS;\r
	190	}\r
	191	}\r
	192	Hob.Raw = GET_NEXT_HOB (Hob);\r
	193	Hob.Raw = GetNextGuidHob (&gStatusCodeCallbackGuid, Hob.Raw);\r
	194	}\r
	195	\r
	196	return EFI_NOT_FOUND;\r
	197	}\r
	198	\r
	199	/**\r
	200	Publishes an interface that allows PEIMs to report status codes.\r
	201	\r
	202	This function implements EFI_PEI_PROGRESS_CODE_PPI.ReportStatusCode().\r
	203	It publishes an interface that allows PEIMs to report status codes.\r
	204	\r
	205	@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.\r
	206	@param CodeType Indicates the type of status code being reported.\r
	207	@param Value Describes the current status of a hardware or\r
	208	software entity. This includes information about the class and\r
	209	subclass that is used to classify the entity as well as an operation.\r
	210	For progress codes, the operation is the current activity.\r
	211	For error codes, it is the exception.For debug codes,it is not defined at this time.\r
	212	@param Instance The enumeration of a hardware or software entity within\r
	213	the system. A system may contain multiple entities that match a class/subclass\r
	214	pairing. The instance differentiates between them. An instance of 0 indicates\r
	215	that instance information is unavailable, not meaningful, or not relevant.\r
	216	Valid instance numbers start with 1.\r
	217	@param CallerId This optional parameter may be used to identify the caller.\r
	218	This parameter allows the status code driver to apply different rules to\r
	219	different callers.\r
	220	@param Data This optional parameter may be used to pass additional data.\r
	221	\r
	222	@retval EFI_SUCCESS The function completed successfully.\r
	223	\r
	224	**/\r
	225	EFI_STATUS\r
	226	EFIAPI\r
	227	ReportDispatcher (\r
	228	IN CONST EFI_PEI_SERVICES **PeiServices,\r
	229	IN EFI_STATUS_CODE_TYPE CodeType,\r
	230	IN EFI_STATUS_CODE_VALUE Value,\r
	231	IN UINT32 Instance,\r
	232	IN CONST EFI_GUID *CallerId OPTIONAL,\r
	233	IN CONST EFI_STATUS_CODE_DATA *Data OPTIONAL\r
	234	)\r
	235	{\r
	236	EFI_PEI_HOB_POINTERS Hob;\r
	237	EFI_PEI_RSC_HANDLER_CALLBACK *CallbackEntry;\r
	238	UINTN *NumberOfEntries;\r
	239	UINTN Index;\r
	240	\r
	241	Hob.Raw = GetFirstGuidHob (&gStatusCodeCallbackGuid);\r
	242	while (Hob.Raw != NULL) {\r
	243	NumberOfEntries = GET_GUID_HOB_DATA (Hob);\r
	244	CallbackEntry = (EFI_PEI_RSC_HANDLER_CALLBACK *) (NumberOfEntries + 1);\r
	245	for (Index = 0; Index < *NumberOfEntries; Index++) {\r
e846c180	246	if (CallbackEntry[Index] != NULL) {\r
25126a05	247	CallbackEntry[Index](\r
	248	PeiServices,\r
	249	CodeType,\r
	250	Value,\r
	251	Instance,\r
	252	CallerId,\r
	253	Data\r
	254	);\r
e846c180	255	}\r
25126a05	256	}\r
	257	Hob.Raw = GET_NEXT_HOB (Hob);\r
	258	Hob.Raw = GetNextGuidHob (&gStatusCodeCallbackGuid, Hob.Raw);\r
	259	}\r
	260	\r
	261	return EFI_SUCCESS;\r
	262	}\r
	263	\r
	264	/**\r
	265	Entry point of Status Code PEIM.\r
d1102dba	266	\r
25126a05	267	This function is the entry point of this Status Code Router PEIM.\r
	268	It produces Report Stataus Code Handler PPI and Status Code PPI.\r
	269	\r
	270	@param FileHandle Handle of the file being invoked.\r
	271	@param PeiServices Describes the list of possible PEI Services.\r
	272	\r
	273	@retval EFI_SUCESS The entry point of DXE IPL PEIM executes successfully.\r
	274	\r
	275	**/\r
	276	EFI_STATUS\r
	277	EFIAPI\r
	278	GenericStatusCodePeiEntry (\r
	279	IN EFI_PEI_FILE_HANDLE FileHandle,\r
	280	IN CONST EFI_PEI_SERVICES **PeiServices\r
	281	)\r
	282	{\r
e9867606	283	EFI_STATUS Status;\r
	284	EFI_PEI_PPI_DESCRIPTOR *OldDescriptor;\r
	285	EFI_PEI_PROGRESS_CODE_PPI *OldStatusCodePpi;\r
25126a05	286	\r
	287	CreateRscHandlerCallbackPacket ();\r
	288	\r
e9867606	289	//\r
	290	// Install Report Status Code Handler PPI\r
	291	//\r
	292	Status = PeiServicesInstallPpi (mRscHandlerPpiList);\r
	293	ASSERT_EFI_ERROR (Status);\r
	294	\r
	295	//\r
	296	// Install Status Code PPI. PI spec specifies that there can be only one instance\r
	297	// of this PPI in system. So first check if other instance already exists.\r
	298	// If no other instance exists, then just install the PPI.\r
	299	// If other instance already exists, then reinstall it.\r
	300	//\r
	301	Status = PeiServicesLocatePpi (\r
	302	&gEfiPeiStatusCodePpiGuid,\r
	303	0,\r
	304	&OldDescriptor,\r
	305	(VOID **) &OldStatusCodePpi\r
	306	);\r
	307	if (!EFI_ERROR (Status)) {\r
	308	Status = PeiServicesReInstallPpi (OldDescriptor, mStatusCodePpiList);\r
	309	} else {\r
	310	Status = PeiServicesInstallPpi (mStatusCodePpiList);\r
	311	}\r
25126a05	312	ASSERT_EFI_ERROR (Status);\r
	313	\r
	314	return EFI_SUCCESS;\r
	315	}\r