mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-11 14:28:08 +01:00
01f33f7552
stylish change: remove space between func and brace Signed-off-by: SergeySlice <sergey.slice@gmail.com>
202 lines
5.9 KiB
C
202 lines
5.9 KiB
C
/** @file
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Status Code Handler Driver which produces general handlers and hook them
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onto the DXE status code router.
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Copyright (c) 2006 - 2019, 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 "StatusCodeHandlerRuntimeDxe.h"
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EFI_EVENT mVirtualAddressChangeEvent = NULL;
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static EFI_EVENT mExitBootServicesEvent = NULL;
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EFI_RSC_HANDLER_PROTOCOL *mRscHandlerProtocol = NULL;
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/**
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Unregister status code callback functions only available at boot time from
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report status code router when exiting boot services.
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@param Event Event whose notification function is being invoked.
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@param Context Pointer to the notification function's context, which is
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always zero in current implementation.
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**/
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VOID
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EFIAPI
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UnregisterBootTimeHandlers (
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IN EFI_EVENT Event,
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IN VOID *Context
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)
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{
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if (FeaturePcdGet (PcdStatusCodeUseSerial)) {
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mRscHandlerProtocol->Unregister (SerialStatusCodeReportWorker);
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}
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}
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/**
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Virtual address change notification call back. It converts global pointer
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to virtual address.
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@param Event Event whose notification function is being invoked.
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@param Context Pointer to the notification function's context, which is
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always zero in current implementation.
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**/
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VOID
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EFIAPI
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VirtualAddressChangeCallBack (
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IN EFI_EVENT Event,
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IN VOID *Context
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)
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{
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//
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// Convert memory status code table to virtual address;
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//
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EfiConvertPointer (
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0,
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(VOID **) &mRtMemoryStatusCodeTable
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);
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}
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/**
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Dispatch initialization request to sub status code devices based on
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customized feature flags.
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**/
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VOID
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InitializationDispatcherWorker (
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VOID
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)
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{
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EFI_PEI_HOB_POINTERS Hob;
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EFI_STATUS Status;
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MEMORY_STATUSCODE_PACKET_HEADER *PacketHeader;
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MEMORY_STATUSCODE_RECORD *Record;
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UINTN Index;
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UINTN MaxRecordNumber;
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//
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// If enable UseSerial, then initialize serial port.
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// if enable UseRuntimeMemory, then initialize runtime memory status code worker.
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//
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if (FeaturePcdGet (PcdStatusCodeUseSerial)) {
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//
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// Call Serial Port Lib API to initialize serial port.
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//
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Status = SerialPortInitialize ();
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ASSERT_EFI_ERROR(Status);
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}
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if (FeaturePcdGet (PcdStatusCodeUseMemory)) {
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Status = RtMemoryStatusCodeInitializeWorker ();
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ASSERT_EFI_ERROR(Status);
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}
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//
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// Replay Status code which saved in GUID'ed HOB to all supported devices.
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//
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if (FeaturePcdGet (PcdStatusCodeReplayIn)) {
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//
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// Journal GUID'ed HOBs to find all record entry, if found,
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// then output record to support replay device.
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//
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Hob.Raw = GetFirstGuidHob (&gMemoryStatusCodeRecordGuid);
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if (Hob.Raw != NULL) {
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PacketHeader = (MEMORY_STATUSCODE_PACKET_HEADER *) GET_GUID_HOB_DATA (Hob.Guid);
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Record = (MEMORY_STATUSCODE_RECORD *) (PacketHeader + 1);
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MaxRecordNumber = (UINTN) PacketHeader->RecordIndex;
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if (PacketHeader->PacketIndex > 0) {
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//
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// Record has been wrapped around. So, record number has arrived at max number.
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//
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MaxRecordNumber = (UINTN) PacketHeader->MaxRecordsNumber;
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}
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for (Index = 0; Index < MaxRecordNumber; Index++) {
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//
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// Dispatch records to devices based on feature flag.
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//
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if (FeaturePcdGet (PcdStatusCodeUseSerial)) {
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SerialStatusCodeReportWorker (
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Record[Index].CodeType,
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Record[Index].Value,
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Record[Index].Instance,
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NULL,
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NULL
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);
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}
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if (FeaturePcdGet (PcdStatusCodeUseMemory)) {
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RtMemoryStatusCodeReportWorker (
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Record[Index].CodeType,
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Record[Index].Value,
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Record[Index].Instance,
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NULL,
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NULL
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);
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}
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}
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}
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}
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}
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/**
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Entry point of DXE Status Code Driver.
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This function is the entry point of this DXE Status Code Driver.
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It initializes registers status code handlers, and registers event for EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE.
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@param ImageHandle The firmware allocated handle for the EFI image.
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@param SystemTable A pointer to the EFI System Table.
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@retval EFI_SUCCESS The entry point is executed successfully.
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**/
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EFI_STATUS
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EFIAPI
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StatusCodeHandlerRuntimeDxeEntry (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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Status = gBS->LocateProtocol (
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&gEfiRscHandlerProtocolGuid,
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NULL,
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(VOID **) &mRscHandlerProtocol
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);
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ASSERT_EFI_ERROR(Status);
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//
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// Dispatch initialization request to supported devices
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//
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InitializationDispatcherWorker ();
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if (FeaturePcdGet (PcdStatusCodeUseSerial)) {
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mRscHandlerProtocol->Register (SerialStatusCodeReportWorker, TPL_HIGH_LEVEL);
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}
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if (FeaturePcdGet (PcdStatusCodeUseMemory)) {
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mRscHandlerProtocol->Register (RtMemoryStatusCodeReportWorker, TPL_HIGH_LEVEL);
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}
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Status = gBS->CreateEventEx (
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EVT_NOTIFY_SIGNAL,
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TPL_NOTIFY,
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UnregisterBootTimeHandlers,
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NULL,
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&gEfiEventExitBootServicesGuid,
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&mExitBootServicesEvent
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);
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Status = gBS->CreateEventEx (
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EVT_NOTIFY_SIGNAL,
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TPL_NOTIFY,
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VirtualAddressChangeCallBack,
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NULL,
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&gEfiEventVirtualAddressChangeGuid,
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&mVirtualAddressChangeEvent
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);
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ASSERT_EFI_ERROR(Status);
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return EFI_SUCCESS;
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}
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