c945216e70
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10631 6f19259b-4bc3-4df7-8a09-765794883524
302 lines
8.9 KiB
C
302 lines
8.9 KiB
C
/** @file
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Status code driver for IA32/X64/EBC architecture.
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Copyright (c) 2006 - 2010, 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 "StatusCodeRuntimeDxe.h"
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EFI_EVENT mVirtualAddressChangeEvent = NULL;
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EFI_HANDLE mHandle = NULL;
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//
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// Declaration of status code protocol.
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//
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EFI_STATUS_CODE_PROTOCOL mEfiStatusCodeProtocol = {
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ReportDispatcher
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};
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//
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// Report operation nest status.
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// If it is set, then the report operation has nested.
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//
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UINT32 mStatusCodeNestStatus = 0;
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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 installs Status Code Runtime Protocol, 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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StatusCodeRuntimeDxeEntry (
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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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//
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// Dispatch initialization request to supported devices
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//
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InitializationDispatcherWorker ();
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//
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// Install Status Code Runtime Protocol implementation as defined in PI Specification.
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//
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Status = gBS->InstallMultipleProtocolInterfaces (
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&mHandle,
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&gEfiStatusCodeRuntimeProtocolGuid,
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&mEfiStatusCodeProtocol,
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NULL
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);
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ASSERT_EFI_ERROR (Status);
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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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/**
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Report status code to all supported device.
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This function implements EFI_STATUS_CODE_PROTOCOL.ReportStatusCode().
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It calls into the workers which dispatches the platform specific listeners.
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@param CodeType Indicates the type of status code being reported.
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@param Value Describes the current status of a hardware or software entity.
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This included information about the class and subclass that is used to
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classify the entity as well as an operation.
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@param Instance The enumeration of a hardware or software entity within
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the system. Valid instance numbers start with 1.
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@param CallerId This optional parameter may be used to identify the caller.
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This parameter allows the status code driver to apply different rules to
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different callers.
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@param Data This optional parameter may be used to pass additional data.
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@retval EFI_SUCCESS The function completed successfully
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@retval EFI_DEVICE_ERROR The function should not be completed due to a device error.
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**/
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EFI_STATUS
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EFIAPI
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ReportDispatcher (
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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 UINT32 Instance,
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IN 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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//
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// Use atom operation to avoid the reentant of report.
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// If current status is not zero, then the function is reentrancy.
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//
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if (InterlockedCompareExchange32 (&mStatusCodeNestStatus, 0, 1) == 1) {
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return EFI_DEVICE_ERROR;
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}
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if (FeaturePcdGet (PcdStatusCodeUseSerial)) {
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SerialStatusCodeReportWorker (
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CodeType,
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Value,
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Instance,
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CallerId,
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Data
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);
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}
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if (FeaturePcdGet (PcdStatusCodeUseMemory)) {
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RtMemoryStatusCodeReportWorker (
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CodeType,
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Value,
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Instance
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);
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}
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if (FeaturePcdGet (PcdStatusCodeUseDataHub)) {
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DataHubStatusCodeReportWorker (
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CodeType,
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Value,
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Instance,
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CallerId,
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Data
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);
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}
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if (FeaturePcdGet (PcdStatusCodeUseOEM)) {
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//
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// Call OEM hook status code library API to report status code to OEM device
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//
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OemHookStatusCodeReport (
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CodeType,
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Value,
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Instance,
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CallerId,
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Data
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);
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}
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//
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// Restore the nest status of report
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//
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InterlockedCompareExchange32 (&mStatusCodeNestStatus, 1, 0);
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return EFI_SUCCESS;
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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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// if enable UseDataHub, then initialize data hub 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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if (FeaturePcdGet (PcdStatusCodeUseDataHub)) {
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DataHubStatusCodeInitializeWorker ();
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}
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if (FeaturePcdGet (PcdStatusCodeUseOEM)) {
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//
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// Call OEM hook status code library API to initialize OEM device for status code.
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//
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Status = OemHookStatusCodeInitialize ();
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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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);
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}
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if (FeaturePcdGet (PcdStatusCodeUseDataHub)) {
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DataHubStatusCodeReportWorker (
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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 (PcdStatusCodeUseOEM)) {
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//
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// Call OEM hook status code library API to report status code to OEM device
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//
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OemHookStatusCodeReport (
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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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