+++ /dev/null
-/** @file\r
- Library constructor & destructor, event handlers, and other internal worker functions.\r
-\r
- Copyright (c) 2006 - 2009, Intel Corporation<BR>\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 "ReportStatusCodeLibInternal.h"\r
-\r
-EFI_EVENT mStatusCodeVirtualAddressChangeEvent;\r
-EFI_STATUS_CODE_DATA *mStatusCodeData;\r
-EFI_RUNTIME_SERVICES *mStatusCodeInternalRT;\r
-EFI_REPORT_STATUS_CODE mReportStatusCode = NULL;\r
-\r
-/**\r
- Locate the report status code service.\r
-\r
- It first tries to retrieve ReportStatusCode() in Runtime Services Table.\r
- If not found, it then tries to retrieve ReportStatusCode() API of Report Status Code Protocol.\r
-\r
- @return Function pointer to the report status code service.\r
- NULL is returned if no status code service is available.\r
-\r
-**/\r
-EFI_REPORT_STATUS_CODE\r
-InternalGetReportStatusCode (\r
- VOID\r
- )\r
-{\r
- EFI_STATUS_CODE_PROTOCOL *StatusCodeProtocol;\r
- EFI_STATUS Status;\r
-\r
- if (!EfiAtRuntime ()) {\r
- //\r
- // Check gBS just in case. ReportStatusCode is called before gBS is initialized.\r
- //\r
- if (gBS != NULL) {\r
- Status = gBS->LocateProtocol (&gEfiStatusCodeRuntimeProtocolGuid, NULL, (VOID**) &StatusCodeProtocol);\r
- if (!EFI_ERROR (Status) && StatusCodeProtocol != NULL) {\r
- return StatusCodeProtocol->ReportStatusCode;\r
- }\r
- }\r
- }\r
-\r
- return NULL;\r
-}\r
-\r
-/**\r
- Internal worker function that reports a status code through the status code service.\r
-\r
- If status code service is not cached, then this function checks if status code service is\r
- available in system. If status code service is not available, then EFI_UNSUPPORTED is\r
- returned. If status code service is present, then it is cached in mReportStatusCode.\r
- Finally this function reports status code through the status code service.\r
-\r
- @param Type Status code type.\r
- @param Value Status code value.\r
- @param Instance Status code instance number.\r
- @param CallerId Pointer to a GUID that identifies the caller of this\r
- function. This is an optional parameter that may be\r
- NULL.\r
- @param Data Pointer to the extended data buffer. This is an\r
- optional parameter that may be NULL.\r
-\r
- @retval EFI_SUCCESS The status code was reported.\r
- @retval EFI_UNSUPPORTED Status code service is not available.\r
- @retval EFI_UNSUPPORTED Status code type is not supported.\r
-\r
-**/\r
-EFI_STATUS\r
-InternalReportStatusCode (\r
- IN EFI_STATUS_CODE_TYPE Type,\r
- IN EFI_STATUS_CODE_VALUE Value,\r
- IN UINT32 Instance,\r
- IN CONST EFI_GUID *CallerId OPTIONAL,\r
- IN EFI_STATUS_CODE_DATA *Data OPTIONAL\r
- )\r
-{\r
- if ((ReportProgressCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) ||\r
- (ReportErrorCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) ||\r
- (ReportDebugCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE)) {\r
- //\r
- // If mReportStatusCode is NULL, then check if status code service is available in system.\r
- //\r
- if (mReportStatusCode == NULL) {\r
- mReportStatusCode = InternalGetReportStatusCode ();\r
- if (mReportStatusCode == NULL) {\r
- return EFI_UNSUPPORTED;\r
- }\r
- }\r
- \r
- //\r
- // A status code service is present in system, so pass in all the parameters to the service.\r
- //\r
- return (*mReportStatusCode) (Type, Value, Instance, (EFI_GUID *)CallerId, Data);\r
- }\r
- \r
- return EFI_UNSUPPORTED;\r
-}\r
-\r
-/**\r
- Notification function of EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE.\r
-\r
- @param Event Event whose notification function is being invoked.\r
- @param Context Pointer to the notification function's context\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-ReportStatusCodeLibVirtualAddressChange (\r
- IN EFI_EVENT Event,\r
- IN VOID *Context\r
- )\r
-{\r
- if (mReportStatusCode != NULL) {\r
- mStatusCodeInternalRT->ConvertPointer (0, (VOID **) &mReportStatusCode);\r
- }\r
- mStatusCodeInternalRT->ConvertPointer (0, (VOID **) &mStatusCodeData);\r
- mStatusCodeInternalRT->ConvertPointer (0, (VOID **) &mStatusCodeInternalRT);\r
-}\r
-\r
-/**\r
- The constructor function of Runtime DXE Report Status Code Lib.\r
-\r
- This function allocates memory for extended status code data, caches\r
- the report status code service, and registers events.\r
-\r
- @param ImageHandle The firmware allocated handle for the EFI image.\r
- @param SystemTable A pointer to the EFI System Table.\r
- \r
- @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-ReportStatusCodeLibConstruct (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- //\r
- // Library should not use the gRT directly, for it may be converted by other library instance.\r
- // \r
- mStatusCodeInternalRT = gRT;\r
-\r
- mStatusCodeData = AllocateRuntimePool (sizeof (EFI_STATUS_CODE_DATA) + EFI_STATUS_CODE_DATA_MAX_SIZE);\r
- ASSERT (mStatusCodeData != NULL);\r
- //\r
- // Cache the report status code service\r
- // \r
- mReportStatusCode = InternalGetReportStatusCode ();\r
-\r
- //\r
- // Register notify function for EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE\r
- // \r
- Status = gBS->CreateEventEx (\r
- EVT_NOTIFY_SIGNAL,\r
- TPL_NOTIFY,\r
- ReportStatusCodeLibVirtualAddressChange,\r
- NULL,\r
- &gEfiEventVirtualAddressChangeGuid,\r
- &mStatusCodeVirtualAddressChangeEvent\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-/**\r
- The destructor function of Runtime DXE Report Status Code Lib.\r
- \r
- The destructor function frees memory allocated by constructor, and closes related events.\r
- It will ASSERT() if that related operation fails and it will always return EFI_SUCCESS. \r
-\r
- @param ImageHandle The firmware allocated handle for the EFI image.\r
- @param SystemTable A pointer to the EFI System Table.\r
- \r
- @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-ReportStatusCodeLibDestruct (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- ASSERT (gBS != NULL);\r
- Status = gBS->CloseEvent (mStatusCodeVirtualAddressChangeEvent);\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- FreePool (mStatusCodeData);\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
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