diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/MdeModulePkg/Universal/StatusCodeHandler/RuntimeDxe/MemoryStatusCodeWorker.c | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdeModulePkg/Universal/StatusCodeHandler/RuntimeDxe/MemoryStatusCodeWorker.c')
| -rw-r--r-- | roms/edk2/MdeModulePkg/Universal/StatusCodeHandler/RuntimeDxe/MemoryStatusCodeWorker.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/roms/edk2/MdeModulePkg/Universal/StatusCodeHandler/RuntimeDxe/MemoryStatusCodeWorker.c b/roms/edk2/MdeModulePkg/Universal/StatusCodeHandler/RuntimeDxe/MemoryStatusCodeWorker.c new file mode 100644 index 000000000..9a3431b26 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Universal/StatusCodeHandler/RuntimeDxe/MemoryStatusCodeWorker.c @@ -0,0 +1,110 @@ +/** @file
+ Runtime memory status code worker.
+
+ Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+ (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "StatusCodeHandlerRuntimeDxe.h"
+
+RUNTIME_MEMORY_STATUSCODE_HEADER *mRtMemoryStatusCodeTable;
+
+/**
+ Initialize runtime memory status code table as initialization for runtime memory status code worker
+
+ @retval EFI_SUCCESS Runtime memory status code table successfully initialized.
+ @retval others Errors from gBS->InstallConfigurationTable().
+
+**/
+EFI_STATUS
+RtMemoryStatusCodeInitializeWorker (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+
+ //
+ // Allocate runtime memory status code pool.
+ //
+ mRtMemoryStatusCodeTable = AllocateRuntimePool (
+ sizeof (RUNTIME_MEMORY_STATUSCODE_HEADER) +
+ PcdGet16 (PcdStatusCodeMemorySize) * 1024
+ );
+ ASSERT (mRtMemoryStatusCodeTable != NULL);
+
+ mRtMemoryStatusCodeTable->RecordIndex = 0;
+ mRtMemoryStatusCodeTable->NumberOfRecords = 0;
+ mRtMemoryStatusCodeTable->MaxRecordsNumber =
+ (PcdGet16 (PcdStatusCodeMemorySize) * 1024) / sizeof (MEMORY_STATUSCODE_RECORD);
+ Status = gBS->InstallConfigurationTable (&gMemoryStatusCodeRecordGuid, mRtMemoryStatusCodeTable);
+
+ return Status;
+}
+
+
+/**
+ Report status code into runtime memory. If the runtime pool is full, roll back to the
+ first record and overwrite it.
+
+ @param CodeType Indicates the type of status code being reported.
+ @param Value Describes the current status of a hardware or software entity.
+ This included information about the class and subclass that is used to
+ classify the entity as well as an operation.
+ @param Instance The enumeration of a hardware or software entity within
+ the system. Valid instance numbers start with 1.
+ @param CallerId This optional parameter may be used to identify the caller.
+ This parameter allows the status code driver to apply different rules to
+ different callers.
+ @param Data This optional parameter may be used to pass additional data.
+
+ @retval EFI_SUCCESS Status code successfully recorded in runtime memory status code table.
+
+**/
+EFI_STATUS
+EFIAPI
+RtMemoryStatusCodeReportWorker (
+ IN EFI_STATUS_CODE_TYPE CodeType,
+ IN EFI_STATUS_CODE_VALUE Value,
+ IN UINT32 Instance,
+ IN EFI_GUID *CallerId,
+ IN EFI_STATUS_CODE_DATA *Data OPTIONAL
+ )
+{
+ MEMORY_STATUSCODE_RECORD *Record;
+
+ //
+ // Locate current record buffer.
+ //
+ Record = (MEMORY_STATUSCODE_RECORD *) (mRtMemoryStatusCodeTable + 1);
+ Record = &Record[mRtMemoryStatusCodeTable->RecordIndex++];
+
+ //
+ // Save status code.
+ //
+ Record->CodeType = CodeType;
+ Record->Value = Value;
+ Record->Instance = Instance;
+
+ //
+ // If record index equals to max record number, then wrap around record index to zero.
+ //
+ // The reader of status code should compare the number of records with max records number,
+ // If it is equal to or larger than the max number, then the wrap-around had happened,
+ // so the first record is pointed by record index.
+ // If it is less then max number, index of the first record is zero.
+ //
+ mRtMemoryStatusCodeTable->NumberOfRecords++;
+ if (mRtMemoryStatusCodeTable->RecordIndex == mRtMemoryStatusCodeTable->MaxRecordsNumber) {
+ //
+ // Wrap around record index.
+ //
+ mRtMemoryStatusCodeTable->RecordIndex = 0;
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+
|