b953265a27
It consumes the HOB defined in UefiPayloadPkg/Include/Guid/DebugPrintErrorLevel.h, and allow bootloader to config DebugPrintErrorLevel. Cc: Guo Dong <guo.dong@intel.com> Reviewed-by: Ray Ni <ray.ni@intel.com> Cc: Maurice Ma <maurice.ma@intel.com> Cc: Benjamin You <benjamin.you@intel.com> Cc: Sean Rhodes <sean@starlabs.systems> Signed-off-by: Yuanhao Xie <yuanhao.xie@intel.com>
81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/** @file
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Debug Print Error Level library instance that retrieves
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the DebugPrintErrorLevel from bootloader.
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Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Base.h>
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#include <Uefi.h>
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#include <PiDxe.h>
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#include <Library/PcdLib.h>
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#include <Library/HobLib.h>
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#include <Guid/DebugPrintErrorLevel.h>
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#include <Library/DebugPrintErrorLevelLib.h>
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#include <UniversalPayload/UniversalPayload.h>
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STATIC UINT32 gDebugPrintErrorLevel;
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STATIC BOOLEAN gDebugPrintErrorLevelInitialized = FALSE;
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/**
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Returns the debug print error level mask for the current module.
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@return Debug print error level mask for the current module.
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**/
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UINT32
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EFIAPI
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GetDebugPrintErrorLevel (
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VOID
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)
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{
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VOID *GuidHob;
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UNIVERSAL_PAYLOAD_GENERIC_HEADER *GenericHeader;
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UEFI_PAYLOAD_DEBUG_PRINT_ERROR_LEVEL *DebugPrintErrorLevel;
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if (!gDebugPrintErrorLevelInitialized) {
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gDebugPrintErrorLevelInitialized = TRUE;
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gDebugPrintErrorLevel = PcdGet32 (PcdDebugPrintErrorLevel);
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GuidHob = GetFirstGuidHob (&gEdkiiDebugPrintErrorLevelGuid);
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if (GuidHob != NULL) {
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GenericHeader = (UNIVERSAL_PAYLOAD_GENERIC_HEADER *)GET_GUID_HOB_DATA (GuidHob);
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if ((sizeof (UNIVERSAL_PAYLOAD_GENERIC_HEADER) < GET_GUID_HOB_DATA_SIZE (GuidHob)) &&
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(GenericHeader->Length <= GET_GUID_HOB_DATA_SIZE (GuidHob)))
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{
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if (GenericHeader->Revision == UEFI_PAYLOAD_DEBUG_PRINT_ERROR_LEVEL_REVISION) {
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DebugPrintErrorLevel = (UEFI_PAYLOAD_DEBUG_PRINT_ERROR_LEVEL *)GET_GUID_HOB_DATA (GuidHob);
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if (DebugPrintErrorLevel->Header.Length > UNIVERSAL_PAYLOAD_SIZEOF_THROUGH_FIELD (UEFI_PAYLOAD_DEBUG_PRINT_ERROR_LEVEL, ErrorLevel)) {
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gDebugPrintErrorLevel = DebugPrintErrorLevel->ErrorLevel;
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}
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}
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}
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}
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}
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return gDebugPrintErrorLevel;
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}
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/**
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Sets the global debug print error level mask fpr the entire platform.
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@param ErrorLevel Global debug print error level.
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@retval TRUE The debug print error level mask was sucessfully set.
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@retval FALSE The debug print error level mask could not be set.
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**/
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BOOLEAN
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EFIAPI
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SetDebugPrintErrorLevel (
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UINT32 ErrorLevel
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)
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{
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//
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// This library uinstance does not support setting the global debug print error
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// level mask.
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//
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return FALSE;
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}
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