--- /dev/null
+/** @file\r
+ Status code driver for IA32/X64/EBC architecture.\r
+\r
+// Copyright (c) 2006, Intel Corporation. All rights reserved. \r
+// This software and associated documentation (if any) is furnished\r
+// under a license and may only be used or copied in accordance\r
+// with the terms of the license. Except as permitted by such\r
+// license, no part of this software or documentation may be\r
+// reproduced, stored in a retrieval system, or transmitted in any\r
+// form or by any means without the express written consent of\r
+// Intel Corporation.\r
+\r
+ Module Name: DxeStatusCodeIpf.c\r
+\r
+**/\r
+\r
+#include "DxeStatusCode.h"\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
+ Main entry for Extended SAL ReportStatusCode Services\r
+\r
+ @param FunctionId Function Id which needed to be called\r
+ @param Arg2 Efi status code type\r
+ @param Arg3 Efi status code value\r
+ @param Arg4 Instance number \r
+ @param Arg5 Caller Id\r
+ @param Arg6 Efi status code data\r
+ @param Arg7 Not used \r
+ @param Arg8 Not used \r
+ @param ExtendedSalProc Esal Proc pointer \r
+ @param VirtualMode If this function is called in virtual mode\r
+ @param Global This module's global variable pointer\r
+ \r
+ @return Value returned in SAL_RETURN_REGS\r
+\r
+--*/\r
+SAL_RETURN_REGS\r
+EFIAPI\r
+ReportEsalServiceEntry (\r
+ IN UINT64 FunctionId,\r
+ IN UINT64 Arg2,\r
+ IN UINT64 Arg3,\r
+ IN UINT64 Arg4,\r
+ IN UINT64 Arg5,\r
+ IN UINT64 Arg6,\r
+ IN UINT64 Arg7,\r
+ IN UINT64 Arg8,\r
+ IN SAL_EXTENDED_SAL_PROC ExtendedSalProc,\r
+ IN BOOLEAN VirtualMode,\r
+ IN VOID *Global\r
+ )\r
+{\r
+ SAL_RETURN_REGS ReturnVal;\r
+ DXE_STATUS_CODE_CONTROLLER *DxeStatusCode;\r
+\r
+ switch (FunctionId) {\r
+\r
+ case ReportStatusCodeService:\r
+\r
+ DxeStatusCode = (DXE_STATUS_CODE_CONTROLLER *) Global;\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 (InterlockedCompareExchange32 (&DxeStatusCode->StatusCodeNestStatus, 0, 1)) {\r
+ ReturnVal.Status = EFI_DEVICE_ERROR ;\r
+ return ReturnVal;\r
+ }\r
+\r
+ if (FeaturePcdGet (PcdStatusCodeUseEfiSerial) || FeaturePcdGet (PcdStatusCodeUseHardSerial)) {\r
+ SerialStatusCodeReportWorker (\r
+ (EFI_STATUS_CODE_TYPE) Arg2,\r
+ (EFI_STATUS_CODE_VALUE) Arg3,\r
+ (UINT32) Arg4,\r
+ (EFI_GUID *) Arg5,\r
+ (EFI_STATUS_CODE_DATA *) Arg6\r
+ );\r
+ }\r
+ if (FeaturePcdGet (PcdStatusCodeUseRuntimeMemory)) {\r
+ RtMemoryStatusCodeReportWorker (\r
+ DxeStatusCode->RtMemoryStatusCodeTable[VirtualMode],\r
+ (EFI_STATUS_CODE_TYPE) Arg2,\r
+ (EFI_STATUS_CODE_VALUE) Arg3,\r
+ (UINT32) Arg4\r
+ );\r
+ }\r
+ if (FeaturePcdGet (PcdStatusCodeUseDataHub)) {\r
+ DataHubStatusCodeReportWorker (\r
+ (EFI_STATUS_CODE_TYPE) Arg2,\r
+ (EFI_STATUS_CODE_VALUE) Arg3,\r
+ (UINT32) Arg4,\r
+ (EFI_GUID *) Arg5,\r
+ (EFI_STATUS_CODE_DATA *) Arg6\r
+ );\r
+ }\r
+ if (FeaturePcdGet (PcdStatusCodeUseOEM)) {\r
+ OemHookStatusCodeReport (\r
+ (EFI_STATUS_CODE_TYPE) Arg2,\r
+ (EFI_STATUS_CODE_VALUE) Arg3,\r
+ (UINT32) Arg4,\r
+ (EFI_GUID *) Arg5,\r
+ (EFI_STATUS_CODE_DATA *) Arg6\r
+ );\r
+ }\r
+\r
+ //\r
+ // Restore the nest status of report\r
+ //\r
+ InterlockedCompareExchange32 (&DxeStatusCode->StatusCodeNestStatus, 1, 0);\r
+\r
+ ReturnVal.Status = EFI_SUCCESS;\r
+\r
+ break;\r
+\r
+ default:\r
+ ReturnVal.Status = EFI_SAL_INVALID_ARGUMENT;\r
+ break;\r
+ }\r
+\r
+ return ReturnVal;\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
+EFIAPI\r
+DxeStatusCodeDriverEntry (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+{\r
+ //\r
+ // Dispatch initialization request to supported devices\r
+ //\r
+ InitializationDispatcherWorker ();\r
+\r
+ //\r
+ // Initialize ESAL capabilities.\r
+ //\r
+ RegisterEsalClass (\r
+ &gEfiExtendedSalStatusCodeServicesProtocolGuid,\r
+ &gDxeStatusCode,\r
+ ReportEsalServiceEntry,\r
+ StatusCode,\r
+ NULL\r
+ );\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+\r
+/**\r
+ Virtual address change notification call back. It converts physical mode global pointer to \r
+ virtual mode.\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
+ gDxeStatusCode.RtMemoryStatusCodeTable[VIRTUAL_MODE] = \r
+ gDxeStatusCode.RtMemoryStatusCodeTable[PHYSICAL_MODE];\r
+\r
+ //\r
+ // Convert the physical mode pointer to virtual mode point.\r
+ //\r
+ EfiConvertPointer (\r
+ 0,\r
+ (VOID **) &gDxeStatusCode.RtMemoryStatusCodeTable[VIRTUAL_MODE]\r
+ );\r
+}\r
+\r
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