mirror of https://github.com/acidanthera/audk.git
546 lines
20 KiB
C
546 lines
20 KiB
C
/** @file
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Report Status Code Library for SMM Phase.
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Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <Library/ReportStatusCodeLib.h>
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#include <Library/DebugLib.h>
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#include <Library/SmmServicesTableLib.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/PcdLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Guid/StatusCodeDataTypeId.h>
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#include <Guid/StatusCodeDataTypeDebug.h>
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#include <Protocol/SmmStatusCode.h>
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EFI_SMM_REPORT_STATUS_CODE mReportStatusCode = NULL;
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EFI_SMM_STATUS_CODE_PROTOCOL *mStatusCodeProtocol = NULL;
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/**
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Locate the report status code service.
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@return Function pointer to the report status code service.
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NULL is returned if no status code service is available.
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**/
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EFI_SMM_REPORT_STATUS_CODE
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InternalGetReportStatusCode (
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VOID
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)
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{
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EFI_STATUS Status;
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Status = gSmst->SmmLocateProtocol (&gEfiSmmStatusCodeProtocolGuid, NULL, (VOID**)&mStatusCodeProtocol);
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if (!EFI_ERROR (Status) && mStatusCodeProtocol != NULL) {
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return mStatusCodeProtocol->ReportStatusCode;
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}
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return NULL;
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}
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/**
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Internal worker function that reports a status code through the status code service.
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If status code service is not cached, then this function checks if status code service is
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available in system. If status code service is not available, then EFI_UNSUPPORTED is
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returned. If status code service is present, then it is cached in mReportStatusCode.
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Finally this function reports status code through the status code service.
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@param Type Status code type.
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@param Value Status code value.
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@param Instance Status code instance number.
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@param CallerId Pointer to a GUID that identifies the caller of this
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function. This is an optional parameter that may be
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NULL.
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@param Data Pointer to the extended data buffer. This is an
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optional parameter that may be NULL.
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@retval EFI_SUCCESS The status code was reported.
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@retval EFI_UNSUPPORTED Status code service is not available.
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@retval EFI_UNSUPPORTED Status code type is not supported.
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**/
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EFI_STATUS
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InternalReportStatusCode (
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IN EFI_STATUS_CODE_TYPE Type,
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IN EFI_STATUS_CODE_VALUE Value,
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IN UINT32 Instance,
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IN CONST EFI_GUID *CallerId OPTIONAL,
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IN EFI_STATUS_CODE_DATA *Data OPTIONAL
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)
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{
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if ((ReportProgressCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) ||
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(ReportErrorCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) ||
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(ReportDebugCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE)) {
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//
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// If mReportStatusCode is NULL, then check if status code service is available in system.
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//
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if (mReportStatusCode == NULL) {
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mReportStatusCode = InternalGetReportStatusCode ();
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if (mReportStatusCode == NULL) {
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return EFI_UNSUPPORTED;
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}
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}
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//
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// A status code service is present in system, so pass in all the parameters to the service.
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//
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return (*mReportStatusCode) (mStatusCodeProtocol, Type, Value, Instance, (EFI_GUID *)CallerId, Data);
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}
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return EFI_UNSUPPORTED;
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}
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/**
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Converts a status code to an 8-bit POST code value.
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Converts the status code specified by CodeType and Value to an 8-bit POST code
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and returns the 8-bit POST code in PostCode. If CodeType is an
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EFI_PROGRESS_CODE or CodeType is an EFI_ERROR_CODE, then bits 0..4 of PostCode
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are set to bits 16..20 of Value, and bits 5..7 of PostCode are set to bits
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24..26 of Value., and TRUE is returned. Otherwise, FALSE is returned.
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If PostCode is NULL, then ASSERT().
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@param CodeType The type of status code being converted.
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@param Value The status code value being converted.
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@param PostCode A pointer to the 8-bit POST code value to return.
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@retval TRUE The status code specified by CodeType and Value was converted
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to an 8-bit POST code and returned in PostCode.
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@retval FALSE The status code specified by CodeType and Value could not be
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converted to an 8-bit POST code value.
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**/
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BOOLEAN
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EFIAPI
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CodeTypeToPostCode (
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IN EFI_STATUS_CODE_TYPE CodeType,
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IN EFI_STATUS_CODE_VALUE Value,
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OUT UINT8 *PostCode
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)
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{
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//
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// If PostCode is NULL, then ASSERT()
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//
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ASSERT (PostCode != NULL);
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//
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// Convert Value to an 8 bit post code
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//
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if (((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) ||
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((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) ) {
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*PostCode = (UINT8) ((((Value & EFI_STATUS_CODE_CLASS_MASK) >> 24) << 5) |
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(((Value & EFI_STATUS_CODE_SUBCLASS_MASK) >> 16) & 0x1f));
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return TRUE;
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}
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return FALSE;
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}
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/**
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Extracts ASSERT() information from a status code structure.
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Converts the status code specified by CodeType, Value, and Data to the ASSERT()
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arguments specified by Filename, Description, and LineNumber. If CodeType is
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an EFI_ERROR_CODE, and CodeType has a severity of EFI_ERROR_UNRECOVERED, and
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Value has an operation mask of EFI_SW_EC_ILLEGAL_SOFTWARE_STATE, extract
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Filename, Description, and LineNumber from the optional data area of the
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status code buffer specified by Data. The optional data area of Data contains
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a Null-terminated ASCII string for the FileName, followed by a Null-terminated
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ASCII string for the Description, followed by a 32-bit LineNumber. If the
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ASSERT() information could be extracted from Data, then return TRUE.
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Otherwise, FALSE is returned.
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If Data is NULL, then ASSERT().
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If Filename is NULL, then ASSERT().
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If Description is NULL, then ASSERT().
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If LineNumber is NULL, then ASSERT().
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@param CodeType The type of status code being converted.
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@param Value The status code value being converted.
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@param Data Pointer to status code data buffer.
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@param Filename Pointer to the source file name that generated the ASSERT().
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@param Description Pointer to the description of the ASSERT().
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@param LineNumber Pointer to source line number that generated the ASSERT().
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@retval TRUE The status code specified by CodeType, Value, and Data was
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converted ASSERT() arguments specified by Filename, Description,
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and LineNumber.
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@retval FALSE The status code specified by CodeType, Value, and Data could
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not be converted to ASSERT() arguments.
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**/
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BOOLEAN
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EFIAPI
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ReportStatusCodeExtractAssertInfo (
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IN EFI_STATUS_CODE_TYPE CodeType,
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IN EFI_STATUS_CODE_VALUE Value,
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IN CONST EFI_STATUS_CODE_DATA *Data,
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OUT CHAR8 **Filename,
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OUT CHAR8 **Description,
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OUT UINT32 *LineNumber
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)
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{
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EFI_DEBUG_ASSERT_DATA *AssertData;
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ASSERT (Data != NULL);
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ASSERT (Filename != NULL);
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ASSERT (Description != NULL);
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ASSERT (LineNumber != NULL);
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if (((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) &&
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((CodeType & EFI_STATUS_CODE_SEVERITY_MASK) == EFI_ERROR_UNRECOVERED) &&
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((Value & EFI_STATUS_CODE_OPERATION_MASK) == EFI_SW_EC_ILLEGAL_SOFTWARE_STATE)) {
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AssertData = (EFI_DEBUG_ASSERT_DATA *)(Data + 1);
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*Filename = (CHAR8 *)(AssertData + 1);
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*Description = *Filename + AsciiStrLen (*Filename) + 1;
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*LineNumber = AssertData->LineNumber;
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return TRUE;
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}
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return FALSE;
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}
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/**
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Extracts DEBUG() information from a status code structure.
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Converts the status code specified by Data to the DEBUG() arguments specified
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by ErrorLevel, Marker, and Format. If type GUID in Data is
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EFI_STATUS_CODE_DATA_TYPE_DEBUG_GUID, then extract ErrorLevel, Marker, and
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Format from the optional data area of the status code buffer specified by Data.
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The optional data area of Data contains a 32-bit ErrorLevel followed by Marker
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which is 12 UINTN parameters, followed by a Null-terminated ASCII string for
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the Format. If the DEBUG() information could be extracted from Data, then
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return TRUE. Otherwise, FALSE is returned.
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If Data is NULL, then ASSERT().
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If ErrorLevel is NULL, then ASSERT().
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If Marker is NULL, then ASSERT().
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If Format is NULL, then ASSERT().
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@param Data Pointer to status code data buffer.
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@param ErrorLevel Pointer to error level mask for a debug message.
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@param Marker Pointer to the variable argument list associated with Format.
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@param Format Pointer to a Null-terminated ASCII format string of a
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debug message.
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@retval TRUE The status code specified by Data was converted DEBUG() arguments
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specified by ErrorLevel, Marker, and Format.
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@retval FALSE The status code specified by Data could not be converted to
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DEBUG() arguments.
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**/
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BOOLEAN
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EFIAPI
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ReportStatusCodeExtractDebugInfo (
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IN CONST EFI_STATUS_CODE_DATA *Data,
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OUT UINT32 *ErrorLevel,
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OUT BASE_LIST *Marker,
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OUT CHAR8 **Format
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)
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{
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EFI_DEBUG_INFO *DebugInfo;
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ASSERT (Data != NULL);
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ASSERT (ErrorLevel != NULL);
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ASSERT (Marker != NULL);
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ASSERT (Format != NULL);
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//
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// If the GUID type is not EFI_STATUS_CODE_DATA_TYPE_DEBUG_GUID then return FALSE
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//
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if (!CompareGuid (&Data->Type, &gEfiStatusCodeDataTypeDebugGuid)) {
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return FALSE;
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}
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//
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// Retrieve the debug information from the status code record
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//
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DebugInfo = (EFI_DEBUG_INFO *)(Data + 1);
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*ErrorLevel = DebugInfo->ErrorLevel;
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//
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// The first 12 * sizeof (UINT64) bytes following EFI_DEBUG_INFO are for variable arguments
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// of format in DEBUG string. Its address is returned in Marker and has to be 64-bit aligned.
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// It must be noticed that EFI_DEBUG_INFO follows EFI_STATUS_CODE_DATA, whose size is
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// 20 bytes. The size of EFI_DEBUG_INFO is 4 bytes, so we can ensure that Marker
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// returned is 64-bit aligned.
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// 64-bit aligned is a must, otherwise retrieving 64-bit parameter from BASE_LIST will
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// cause unalignment exception.
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//
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*Marker = (BASE_LIST) (DebugInfo + 1);
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*Format = (CHAR8 *)(((UINT64 *)*Marker) + 12);
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return TRUE;
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}
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/**
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Reports a status code.
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Reports the status code specified by the parameters Type and Value. Status
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code also require an instance, caller ID, and extended data. This function
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passed in a zero instance, NULL extended data, and a caller ID of
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gEfiCallerIdGuid, which is the GUID for the module.
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ReportStatusCode()must actively prevent recusrsion. If ReportStatusCode()
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is called while processing another any other Report Status Code Library function,
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then ReportStatusCode() must return immediately.
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@param Type Status code type.
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@param Value Status code value.
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@retval EFI_SUCCESS The status code was reported.
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@retval EFI_DEVICE_ERROR There status code could not be reported due to a
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device error.
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@retval EFI_UNSUPPORTED Report status code is not supported
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**/
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EFI_STATUS
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EFIAPI
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ReportStatusCode (
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IN EFI_STATUS_CODE_TYPE Type,
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IN EFI_STATUS_CODE_VALUE Value
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)
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{
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return InternalReportStatusCode (Type, Value, 0, &gEfiCallerIdGuid, NULL);
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}
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/**
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Reports a status code with an extended data buffer.
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Allocates and fills in the extended data section of a status code with the
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extended data specified by ExtendedData and ExtendedDataSize. ExtendedData
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is assumed to be one of the data structures specified in Related Definitions.
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These data structure do not have the standard header, so this function is
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responsible for allocating a buffer large enough for the standard header and
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the extended data passed into this function. The standard header is filled
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in with a GUID of gEfiStatusCodeSpecificDataGuid. The status code is reported
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with a zero instance and a caller ID of gEfiCallerIdGuid.
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ReportStatusCodeWithExtendedData()must actively prevent recursion. If
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ReportStatusCodeWithExtendedData() is called while processing another any other
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Report Status Code Library function, then ReportStatusCodeWithExtendedData()
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must return EFI_DEVICE_ERROR immediately.
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If ExtendedData is NULL, then ASSERT().
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If ExtendedDataSize is 0, then ASSERT().
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@param Type Status code type.
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@param Value Status code value.
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@param ExtendedData Pointer to the extended data buffer to be reported.
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@param ExtendedDataSize The size, in bytes, of the extended data buffer to
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be reported.
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@retval EFI_SUCCESS The status code was reported with the extended
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data specified by ExtendedData and ExtendedDataSize.
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@retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate the
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extended data section.
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@retval EFI_UNSUPPORTED Report status code is not supported
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**/
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EFI_STATUS
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EFIAPI
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ReportStatusCodeWithExtendedData (
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IN EFI_STATUS_CODE_TYPE Type,
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IN EFI_STATUS_CODE_VALUE Value,
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IN CONST VOID *ExtendedData,
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IN UINTN ExtendedDataSize
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)
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{
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ASSERT (ExtendedData != NULL);
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ASSERT (ExtendedDataSize != 0);
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return ReportStatusCodeEx (
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Type,
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Value,
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0,
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NULL,
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NULL,
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ExtendedData,
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ExtendedDataSize
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);
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}
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/**
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Reports a status code with full parameters.
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The function reports a status code. If ExtendedData is NULL and ExtendedDataSize
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is 0, then an extended data buffer is not reported. If ExtendedData is not
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NULL and ExtendedDataSize is not 0, then an extended data buffer is allocated.
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ExtendedData is assumed not have the standard status code header, so this function
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is responsible for allocating a buffer large enough for the standard header and
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the extended data passed into this function. The standard header is filled in
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with a GUID specified by ExtendedDataGuid. If ExtendedDataGuid is NULL, then a
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GUID of gEfiStatusCodeSpecificDataGuid is used. The status code is reported with
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an instance specified by Instance and a caller ID specified by CallerId. If
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CallerId is NULL, then a caller ID of gEfiCallerIdGuid is used.
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ReportStatusCodeEx()must actively prevent recursion. If
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ReportStatusCodeEx() is called while processing another any
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other Report Status Code Library function, then
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ReportStatusCodeEx() must return EFI_DEVICE_ERROR immediately.
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If ExtendedData is NULL and ExtendedDataSize is not zero, then ASSERT().
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If ExtendedData is not NULL and ExtendedDataSize is zero, then ASSERT().
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@param Type Status code type.
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@param Value Status code value.
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@param Instance Status code instance number.
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@param CallerId Pointer to a GUID that identifies the caller of this
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function. If this parameter is NULL, then a caller
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ID of gEfiCallerIdGuid is used.
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@param ExtendedDataGuid Pointer to the GUID for the extended data buffer.
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If this parameter is NULL, then a the status code
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standard header is filled in with
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gEfiStatusCodeSpecificDataGuid.
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@param ExtendedData Pointer to the extended data buffer. This is an
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optional parameter that may be NULL.
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@param ExtendedDataSize The size, in bytes, of the extended data buffer.
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@retval EFI_SUCCESS The status code was reported.
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@retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate
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the extended data section if it was specified.
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@retval EFI_UNSUPPORTED Report status code is not supported
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**/
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EFI_STATUS
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EFIAPI
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ReportStatusCodeEx (
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IN EFI_STATUS_CODE_TYPE Type,
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IN EFI_STATUS_CODE_VALUE Value,
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IN UINT32 Instance,
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IN CONST EFI_GUID *CallerId OPTIONAL,
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IN CONST EFI_GUID *ExtendedDataGuid OPTIONAL,
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IN CONST VOID *ExtendedData OPTIONAL,
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IN UINTN ExtendedDataSize
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)
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{
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EFI_STATUS Status;
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EFI_STATUS_CODE_DATA *StatusCodeData;
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ASSERT (!((ExtendedData == NULL) && (ExtendedDataSize != 0)));
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ASSERT (!((ExtendedData != NULL) && (ExtendedDataSize == 0)));
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//
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// Allocate space for the Status Code Header and its buffer
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//
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StatusCodeData = AllocatePool (sizeof (EFI_STATUS_CODE_DATA) + ExtendedDataSize);
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if (StatusCodeData == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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//
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// Fill in the extended data header
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//
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StatusCodeData->HeaderSize = (UINT16) sizeof (EFI_STATUS_CODE_DATA);
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StatusCodeData->Size = (UINT16) ExtendedDataSize;
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if (ExtendedDataGuid == NULL) {
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ExtendedDataGuid = &gEfiStatusCodeSpecificDataGuid;
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}
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CopyGuid (&StatusCodeData->Type, ExtendedDataGuid);
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//
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// Fill in the extended data buffer
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//
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if (ExtendedData != NULL) {
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CopyMem (StatusCodeData + 1, ExtendedData, ExtendedDataSize);
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}
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//
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// Report the status code
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//
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if (CallerId == NULL) {
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CallerId = &gEfiCallerIdGuid;
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}
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Status = InternalReportStatusCode (Type, Value, Instance, CallerId, StatusCodeData);
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//
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// Free the allocated buffer
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//
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FreePool (StatusCodeData);
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return Status;
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}
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/**
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Returns TRUE if status codes of type EFI_PROGRESS_CODE are enabled
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This function returns TRUE if the REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED
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bit of PcdReportStatusCodeProperyMask is set. Otherwise FALSE is returned.
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@retval TRUE The REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED bit of
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PcdReportStatusCodeProperyMask is set.
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@retval FALSE The REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED bit of
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PcdReportStatusCodeProperyMask is clear.
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**/
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BOOLEAN
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EFIAPI
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ReportProgressCodeEnabled (
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VOID
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)
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{
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return (BOOLEAN) ((PcdGet8 (PcdReportStatusCodePropertyMask) & REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED) != 0);
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}
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/**
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Returns TRUE if status codes of type EFI_ERROR_CODE are enabled
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This function returns TRUE if the REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED
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bit of PcdReportStatusCodeProperyMask is set. Otherwise FALSE is returned.
|
|
|
|
@retval TRUE The REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED bit of
|
|
PcdReportStatusCodeProperyMask is set.
|
|
@retval FALSE The REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED bit of
|
|
PcdReportStatusCodeProperyMask is clear.
|
|
|
|
**/
|
|
BOOLEAN
|
|
EFIAPI
|
|
ReportErrorCodeEnabled (
|
|
VOID
|
|
)
|
|
{
|
|
return (BOOLEAN) ((PcdGet8 (PcdReportStatusCodePropertyMask) & REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED) != 0);
|
|
}
|
|
|
|
|
|
/**
|
|
Returns TRUE if status codes of type EFI_DEBUG_CODE are enabled
|
|
|
|
This function returns TRUE if the REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED
|
|
bit of PcdReportStatusCodeProperyMask is set. Otherwise FALSE is returned.
|
|
|
|
@retval TRUE The REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED bit of
|
|
PcdReportStatusCodeProperyMask is set.
|
|
@retval FALSE The REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED bit of
|
|
PcdReportStatusCodeProperyMask is clear.
|
|
|
|
**/
|
|
BOOLEAN
|
|
EFIAPI
|
|
ReportDebugCodeEnabled (
|
|
VOID
|
|
)
|
|
{
|
|
return (BOOLEAN) ((PcdGet8 (PcdReportStatusCodePropertyMask) & REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED) != 0);
|
|
}
|