diff options
Diffstat (limited to 'roms/edk2/MdeModulePkg/Universal/StatusCodeHandler/RuntimeDxe/StatusCodeHandlerRuntimeDxe.c')
| -rw-r--r-- | roms/edk2/MdeModulePkg/Universal/StatusCodeHandler/RuntimeDxe/StatusCodeHandlerRuntimeDxe.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/roms/edk2/MdeModulePkg/Universal/StatusCodeHandler/RuntimeDxe/StatusCodeHandlerRuntimeDxe.c b/roms/edk2/MdeModulePkg/Universal/StatusCodeHandler/RuntimeDxe/StatusCodeHandlerRuntimeDxe.c new file mode 100644 index 000000000..a8c0fe5b7 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Universal/StatusCodeHandler/RuntimeDxe/StatusCodeHandlerRuntimeDxe.c @@ -0,0 +1,201 @@ +/** @file
+ Status Code Handler Driver which produces general handlers and hook them
+ onto the DXE status code router.
+
+ Copyright (c) 2006 - 2020, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "StatusCodeHandlerRuntimeDxe.h"
+
+EFI_EVENT mVirtualAddressChangeEvent = NULL;
+static EFI_EVENT mExitBootServicesEvent = NULL;
+EFI_RSC_HANDLER_PROTOCOL *mRscHandlerProtocol = NULL;
+
+/**
+ Unregister status code callback functions only available at boot time from
+ report status code router when exiting boot services.
+
+ @param Event Event whose notification function is being invoked.
+ @param Context Pointer to the notification function's context, which is
+ always zero in current implementation.
+
+**/
+VOID
+EFIAPI
+UnregisterBootTimeHandlers (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ if (PcdGetBool (PcdStatusCodeUseSerial)) {
+ mRscHandlerProtocol->Unregister (SerialStatusCodeReportWorker);
+ }
+}
+
+/**
+ Virtual address change notification call back. It converts global pointer
+ to virtual address.
+
+ @param Event Event whose notification function is being invoked.
+ @param Context Pointer to the notification function's context, which is
+ always zero in current implementation.
+
+**/
+VOID
+EFIAPI
+VirtualAddressChangeCallBack (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ //
+ // Convert memory status code table to virtual address;
+ //
+ EfiConvertPointer (
+ 0,
+ (VOID **) &mRtMemoryStatusCodeTable
+ );
+}
+
+/**
+ Dispatch initialization request to sub status code devices based on
+ customized feature flags.
+
+**/
+VOID
+InitializationDispatcherWorker (
+ VOID
+ )
+{
+ EFI_PEI_HOB_POINTERS Hob;
+ EFI_STATUS Status;
+ MEMORY_STATUSCODE_PACKET_HEADER *PacketHeader;
+ MEMORY_STATUSCODE_RECORD *Record;
+ UINTN Index;
+ UINTN MaxRecordNumber;
+
+ //
+ // If enable UseSerial, then initialize serial port.
+ // if enable UseRuntimeMemory, then initialize runtime memory status code worker.
+ //
+ if (PcdGetBool (PcdStatusCodeUseSerial)) {
+ //
+ // Call Serial Port Lib API to initialize serial port.
+ //
+ Status = SerialPortInitialize ();
+ ASSERT_EFI_ERROR (Status);
+ }
+ if (PcdGetBool (PcdStatusCodeUseMemory)) {
+ Status = RtMemoryStatusCodeInitializeWorker ();
+ ASSERT_EFI_ERROR (Status);
+ }
+
+ //
+ // Replay Status code which saved in GUID'ed HOB to all supported devices.
+ //
+ if (FeaturePcdGet (PcdStatusCodeReplayIn)) {
+ //
+ // Journal GUID'ed HOBs to find all record entry, if found,
+ // then output record to support replay device.
+ //
+ Hob.Raw = GetFirstGuidHob (&gMemoryStatusCodeRecordGuid);
+ if (Hob.Raw != NULL) {
+ PacketHeader = (MEMORY_STATUSCODE_PACKET_HEADER *) GET_GUID_HOB_DATA (Hob.Guid);
+ Record = (MEMORY_STATUSCODE_RECORD *) (PacketHeader + 1);
+ MaxRecordNumber = (UINTN) PacketHeader->RecordIndex;
+ if (PacketHeader->PacketIndex > 0) {
+ //
+ // Record has been wrapped around. So, record number has arrived at max number.
+ //
+ MaxRecordNumber = (UINTN) PacketHeader->MaxRecordsNumber;
+ }
+ for (Index = 0; Index < MaxRecordNumber; Index++) {
+ //
+ // Dispatch records to devices based on feature flag.
+ //
+ if (PcdGetBool (PcdStatusCodeUseSerial)) {
+ SerialStatusCodeReportWorker (
+ Record[Index].CodeType,
+ Record[Index].Value,
+ Record[Index].Instance,
+ NULL,
+ NULL
+ );
+ }
+ if (PcdGetBool (PcdStatusCodeUseMemory)) {
+ RtMemoryStatusCodeReportWorker (
+ Record[Index].CodeType,
+ Record[Index].Value,
+ Record[Index].Instance,
+ NULL,
+ NULL
+ );
+ }
+ }
+ }
+ }
+}
+
+/**
+ Entry point of DXE Status Code Driver.
+
+ This function is the entry point of this DXE Status Code Driver.
+ It initializes registers status code handlers, and registers event for EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE.
+
+ @param ImageHandle The firmware allocated handle for the EFI image.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The entry point is executed successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+StatusCodeHandlerRuntimeDxeEntry (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ Status = gBS->LocateProtocol (
+ &gEfiRscHandlerProtocolGuid,
+ NULL,
+ (VOID **) &mRscHandlerProtocol
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Dispatch initialization request to supported devices
+ //
+ InitializationDispatcherWorker ();
+
+ if (PcdGetBool (PcdStatusCodeUseSerial)) {
+ mRscHandlerProtocol->Register (SerialStatusCodeReportWorker, TPL_HIGH_LEVEL);
+ }
+ if (PcdGetBool (PcdStatusCodeUseMemory)) {
+ mRscHandlerProtocol->Register (RtMemoryStatusCodeReportWorker, TPL_HIGH_LEVEL);
+ }
+
+ Status = gBS->CreateEventEx (
+ EVT_NOTIFY_SIGNAL,
+ TPL_NOTIFY,
+ UnregisterBootTimeHandlers,
+ NULL,
+ &gEfiEventExitBootServicesGuid,
+ &mExitBootServicesEvent
+ );
+
+ Status = gBS->CreateEventEx (
+ EVT_NOTIFY_SIGNAL,
+ TPL_NOTIFY,
+ VirtualAddressChangeCallBack,
+ NULL,
+ &gEfiEventVirtualAddressChangeGuid,
+ &mVirtualAddressChangeEvent
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ return EFI_SUCCESS;
+}
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