--- /dev/null
+/** @file\r
+ Status code driver for IA32/X64/EBC architecture.\r
+\r
+ Copyright (c) 2006, 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
+ Module Name: DxeStatusCodeCommon.c\r
+\r
+**/\r
+\r
+#include "DxeStatusCode.h"\r
+\r
+\r
+/**\r
+ Report status code to all supported device. \r
+ Calls into the workers which dispatches the platform specific\r
+ listeners. \r
+\r
+ @param Type Indicates the type of status code being reported. \r
+ The type EFI_STATUS_CODE_TYPE is defined in "Related Definitions" below.\r
+ @param Value Describes the current status of a hardware or software entity. \r
+ This includes information about the class and subclass that is used to classify the entity \r
+ as well as an operation. 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
+ Type EFI_STATUS_CODE_VALUE is defined in "Related Definitions" below. \r
+ Specific values are discussed in the Intel? Platform Innovation Framework for EFI Status Code Specification.\r
+ @param Instance The enumeration of a hardware or software entity within the system. \r
+ A system may contain multiple entities that match a class/subclass pairing. \r
+ The instance differentiates between them. An instance of 0 indicates that instance \r
+ information is unavailable, not meaningful, or not relevant. 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 different callers.\r
+ @param Data This optional parameter may be used to pass additional data. \r
+ Type EFI_STATUS_CODE_DATA is defined in "Related Definitions" below. \r
+ The contents of this data type may have additional GUID-specific data. The standard GUIDs and \r
+ their associated data structures are defined in the Intel? Platform Innovation Framework for EFI Status Codes Specification.\r
+\r
+ @return Always return EFI_SUCCESS.\r
+\r
+**/\r
+EFI_STATUS \r
+EFIAPI\r
+ReportDispatcher (\r
+ IN EFI_STATUS_CODE_TYPE Type,\r
+ IN EFI_STATUS_CODE_VALUE Value,\r
+ IN UINT32 Instance,\r
+ IN EFI_GUID *CallerId OPTIONAL,\r
+ IN EFI_STATUS_CODE_DATA *Data OPTIONAL\r
+ );\r
+\r
+//\r
+// Declaration of status code protocol.\r
+//\r
+STATIC\r
+EFI_STATUS_CODE_PROTOCOL mEfiStatusCodeProtocol = {\r
+ ReportDispatcher\r
+};\r
+\r
+//\r
+// Delaration of DXE status code controller \r
+//\r
+DXE_STATUS_CODE_CONTROLLER gDxeStatusCode = {\r
+ //\r
+ // Initialize nest status as non nested. \r
+ // \r
+ 0,\r
+ {NULL, NULL}\r
+};\r
+\r
+/**\r
+\r
+ Install the ReportStatusCode runtime service.\r
+ \r
+ @param ImageHandle Image handle of the loaded driver\r
+ @param SystemTable Pointer to the System Table\r
+\r
+ @return The function always returns success.\r
+\r
+**/\r
+EFI_STATUS\r
+DxeStatusCodeDriverEntry (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+{\r
+ EFI_HANDLE Handle = NULL;\r
+ EFI_STATUS Status;\r
+\r
+ //\r
+ // Dispatch initialization request to supported devices\r
+ //\r
+ InitializationDispatcherWorker ();\r
+\r
+ //\r
+ // Install Status Code Architectural Protocol implementation as defined in Tiano\r
+ // Architecture Specification.\r
+ //\r
+ Status = gBS->InstallMultipleProtocolInterfaces (\r
+ &Handle,\r
+ &gEfiStatusCodeRuntimeProtocolGuid,\r
+ &mEfiStatusCodeProtocol,\r
+ NULL\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Report status code to all supported device. \r
+ Calls into the workers which dispatches the platform specific\r
+ listeners. \r
+\r
+ @param CodeType Indicates the type of status code being reported. \r
+ The type EFI_STATUS_CODE_TYPE is defined in "Related Definitions" below.\r
+ @param Value Describes the current status of a hardware or software entity. \r
+ This includes information about the class and subclass that is used to classify the entity \r
+ as well as an operation. 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
+ Type EFI_STATUS_CODE_VALUE is defined in "Related Definitions" below. \r
+ Specific values are discussed in the Intel? Platform Innovation Framework for EFI Status Code Specification.\r
+ @param Instance The enumeration of a hardware or software entity within the system. \r
+ A system may contain multiple entities that match a class/subclass pairing. \r
+ The instance differentiates between them. An instance of 0 indicates that instance \r
+ information is unavailable, not meaningful, or not relevant. 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 different callers.\r
+ @param Data This optional parameter may be used to pass additional data. \r
+ Type EFI_STATUS_CODE_DATA is defined in "Related Definitions" below. \r
+ The contents of this data type may have additional GUID-specific data. The standard GUIDs and \r
+ their associated data structures are defined in the Intel? Platform Innovation Framework for EFI Status Codes Specification.\r
+\r
+ @return Always return EFI_SUCCESS.\r
+\r
+**/\r
+EFI_STATUS \r
+EFIAPI\r
+ReportDispatcher (\r
+ IN EFI_STATUS_CODE_TYPE CodeType,\r
+ IN EFI_STATUS_CODE_VALUE Value,\r
+ IN UINT32 Instance,\r
+ IN EFI_GUID *CallerId OPTIONAL,\r
+ IN EFI_STATUS_CODE_DATA *Data OPTIONAL\r
+ )\r
+{\r
+ //\r
+ // Use atom operation to avoid the reentant of report.\r
+ // If current status is not zero, then the function is reentrancy.\r
+ //\r
+ if (1 == InterlockedCompareExchange32 (&gDxeStatusCode.StatusCodeNestStatus, 0, 1)) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+\r
+ if (FeaturePcdGet (PcdStatusCodeUseEfiSerial) || FeaturePcdGet (PcdStatusCodeUseHardSerial)) {\r
+ SerialStatusCodeReportWorker (\r
+ CodeType,\r
+ Value,\r
+ Instance,\r
+ CallerId,\r
+ Data\r
+ );\r
+ }\r
+ if (FeaturePcdGet (PcdStatusCodeUseRuntimeMemory)) {\r
+ RtMemoryStatusCodeReportWorker (\r
+ gDxeStatusCode.RtMemoryStatusCodeTable[PHYSICAL_MODE],\r
+ CodeType,\r
+ Value,\r
+ Instance\r
+ );\r
+ }\r
+ if (FeaturePcdGet (PcdStatusCodeUseDataHub)) {\r
+ DataHubStatusCodeReportWorker (\r
+ CodeType,\r
+ Value,\r
+ Instance,\r
+ CallerId,\r
+ Data\r
+ );\r
+ }\r
+ if (FeaturePcdGet (PcdStatusCodeUseOEM)) {\r
+ OemHookStatusCodeReport (\r
+ CodeType,\r
+ Value,\r
+ Instance,\r
+ CallerId,\r
+ Data\r
+ );\r
+ }\r
+\r
+ //\r
+ // Restore the nest status of report\r
+ //\r
+ InterlockedCompareExchange32 (&gDxeStatusCode.StatusCodeNestStatus, 1, 0);\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+\r
+/**\r
+ Virtual address change notification call back. It converts global pointer \r
+ to virtual address.\r
+\r
+ @param Event Event whose notification function is being invoked.\r
+ @param Context Pointer to the notification function's context, which is\r
+ always zero in current implementation.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+VirtualAddressChangeCallBack (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ //\r
+ // Convert memory status code table to virtual address;\r
+ //\r
+ EfiConvertPointer (\r
+ 0, \r
+ (VOID **) &gDxeStatusCode.RtMemoryStatusCodeTable[PHYSICAL_MODE]\r
+ );\r
+}\r
+\r
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