878ddf1fc3
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
173 lines
4.3 KiB
C
173 lines
4.3 KiB
C
/*++
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Copyright (c) 2006, Intel Corporation
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All rights reserved. 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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Module Name:
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StatusCode.c
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Abstract:
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Status Code Architectural Protocol implementation as defined in Tiano
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Architecture Specification.
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This driver also depends on the DataHub, and will log all status code info
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to the DataHub. Fatal Errors are Printed to Standard Error (StdErr) and not
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logged to the data hub (If you crash what good is the data in the data hub).
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This driver has limited functionality at runtime and will not log to Data Hub
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at runtime.
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Notes:
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This driver assumes the following ReportStatusCode strategy:
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PEI -> uses PeiReportStatusCode
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DXE IPL -> uses PeiReportStatusCode
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early DXE -> uses PeiReportStatusCode via HOB
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DXE -> This driver
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RT -> This driver
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--*/
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#include "StatusCode.h"
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EFI_LOCK mStatusCodeLock;
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BOOLEAN mStatusCodeFlag = FALSE;
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//
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// Function implemenations
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//
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EFI_STATUS
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EFIAPI
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StatusCodeReportStatusCode (
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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,
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IN EFI_STATUS_CODE_DATA *Data OPTIONAL
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)
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/*++
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Routine Description:
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Calls into the platform library which dispatches the platform specific
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listeners. For NT environments we still call back into PEI because the
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ReportStatusCode functionality requires Win32 services and is built into
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the SecMain.exe utility.
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Arguments:
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(See Tiano Runtime Specification)
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Returns:
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None
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--*/
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{
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EFI_STATUS Status;
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//
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// Acquire the lock required to update mStatusCodeFlag
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//
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Status = EfiAcquireLockOrFail (&mStatusCodeLock);
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if (EFI_ERROR (Status)) {
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//
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// Check for reentrancy of the lock
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//
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return EFI_DEVICE_ERROR;
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}
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//
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// Check to see if we are already in the middle of a ReportStatusCode()
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//
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if (mStatusCodeFlag) {
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EfiReleaseLock (&mStatusCodeLock);
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return EFI_DEVICE_ERROR;
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}
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//
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// Set the flag to show we are in the middle of a ReportStatusCode()
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//
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mStatusCodeFlag = TRUE;
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//
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// Release the lock for updating mStatusCodeFlag
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//
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EfiReleaseLock (&mStatusCodeLock);
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//
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// Go do the work required to report a status code
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//
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RtPlatformReportStatusCode (CodeType, Value, Instance, CallerId, Data);
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//
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// Acquire the lock required to update mStatusCodeFlag
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//
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Status = EfiAcquireLockOrFail (&mStatusCodeLock);
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if (EFI_ERROR (Status)) {
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//
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// Check for reentrancy of the lock
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//
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return EFI_DEVICE_ERROR;
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}
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//
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// Clear the flag to show we are no longer in the middle of a ReportStatusCode()
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//
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mStatusCodeFlag = FALSE;
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//
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// Release the lock for updating mStatusCodeFlag
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//
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EfiReleaseLock (&mStatusCodeLock);
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return EFI_SUCCESS;
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}
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//
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// Protocol instance, there can be only one.
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//
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EFI_STATUS
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InitializeStatusCode (
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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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Routine Description:
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Install Driver to produce Report Status Code Arch Protocol
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Arguments:
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(Standard EFI Image entry - EFI_IMAGE_ENTRY_POINT)
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Returns:
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EFI_SUCCESS - Logging Hub protocol installed
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Other - No protocol installed, unload driver.
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--*/
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{
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EfiInitializeLock (&mStatusCodeLock, EFI_TPL_HIGH_LEVEL);
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//
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// Call the platform hook to initialize the different listeners.
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//
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RtPlatformStatusCodeInitialize ();
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//
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// Register a protocol that EfiUtilityLib can use to implement DEBUG () and ASSERT ()
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// Macros.
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//
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InstallStatusCodeDebugAssert ();
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return EFI_SUCCESS;
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}
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