Initial import.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
bbahnsen
314
EdkModulePkg/Library/EdkDxeDebugLibReportStatusCode/DebugLib.c
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314
EdkModulePkg/Library/EdkDxeDebugLibReportStatusCode/DebugLib.c
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/*++
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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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DebugLib.c
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Abstract:
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EFI Debug Library
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--*/
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static BOOLEAN mDebugLevelInstalled = FALSE;
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static EFI_DEBUG_LEVEL_PROTOCOL mDebugLevel = { 0 };
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EFI_STATUS
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DebugLibConstructor (
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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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Arguments:
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Returns:
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--*/
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{
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EFI_STATUS Status;
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//
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// Initialize Debug Level Protocol
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//
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mDebugLevel.DebugLevel = PcdGet32(PcdDebugPrintErrorLevel);
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//
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// Install Debug Level Protocol
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//
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Status = gBS->InstallMultipleProtocolInterfaces (
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&ImageHandle,
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&gEfiDebugLevelProtocolGuid, &mDebugLevel,
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NULL
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);
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ASSERT_EFI_ERROR (Status);
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//
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// Set flag to show that the Debug Level Protocol has been installed
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//
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mDebugLevelInstalled = TRUE;
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return EFI_SUCCESS;
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}
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VOID
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EFIAPI
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DebugAssert (
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IN CHAR8 *FileName,
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IN INTN LineNumber,
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IN CHAR8 *Description
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)
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/*++
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Routine Description:
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Worker function for ASSERT(). If Error Logging hub is loaded log ASSERT
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information. If Error Logging hub is not loaded CpuBreakpoint ().
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We use UINT64 buffers due to IPF alignment concerns.
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Arguments:
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FileName - File name of failing routine.
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LineNumber - Line number of failing ASSERT().
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Description - Descritption, usally the assertion,
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Returns:
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None
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--*/
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{
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UINT64 Buffer[EFI_STATUS_CODE_DATA_MAX_SIZE / sizeof(UINT64)];
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EFI_DEBUG_ASSERT_DATA *AssertData;
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UINTN TotalSize;
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CHAR8 *Temp;
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if ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED) == 0) {
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return;
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}
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//
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// Make sure it will all fit in the passed in buffer
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//
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TotalSize = sizeof (EFI_DEBUG_ASSERT_DATA) + AsciiStrLen (FileName) + 1 + AsciiStrLen (Description) + 1;
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if (TotalSize <= EFI_STATUS_CODE_DATA_MAX_SIZE) {
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//
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// Fill in EFI_DEBUG_ASSERT_DATA
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//
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AssertData = (EFI_DEBUG_ASSERT_DATA *)Buffer;
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AssertData->LineNumber = (UINT32)LineNumber;
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//
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// Copy Ascii FileName including NULL.
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//
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Temp = AsciiStrCpy ((CHAR8 *)(AssertData + 1), FileName);
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//
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// Copy Ascii Description
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//
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AsciiStrCpy (Temp + AsciiStrLen(FileName) + 1, Description);
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REPORT_STATUS_CODE_WITH_EXTENDED_DATA (
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(EFI_ERROR_CODE | EFI_ERROR_UNRECOVERED),
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(EFI_SOFTWARE_DXE_BS_DRIVER | EFI_SW_EC_ILLEGAL_SOFTWARE_STATE),
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AssertData,
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TotalSize
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);
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}
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//
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// Put break point in module that contained the error.
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//
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CpuBreakpoint ();
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}
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VOID
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DebugVPrint (
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IN UINTN ErrorLevel,
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IN CHAR8 *Format,
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IN VA_LIST Marker
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)
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/*++
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Routine Description:
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Worker function for DEBUG(). If Error Logging hub is loaded log ASSERT
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information. If Error Logging hub is not loaded do nothing.
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We use UINT64 buffers due to IPF alignment concerns.
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Arguments:
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ErrorLevel - If error level is set do the debug print.
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Format - String to use for the print, followed by Print arguments.
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Marker - VarArgs
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Returns:
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None
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--*/
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{
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UINT64 Buffer[EFI_STATUS_CODE_DATA_MAX_SIZE / sizeof (UINT64)];
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EFI_DEBUG_INFO *DebugInfo;
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UINTN TotalSize;
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UINTN Index;
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UINT64 *ArgumentPointer;
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//
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// Check driver Debug Level value and global debug level
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//
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if (mDebugLevelInstalled) {
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if ((ErrorLevel & mDebugLevel.DebugLevel) == 0) {
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return;
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}
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} else {
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if ((ErrorLevel & PcdGet32(PcdDebugPrintErrorLevel)) == 0) {
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return;
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}
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}
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TotalSize = sizeof (EFI_DEBUG_INFO) + 12 * sizeof (UINT64 *) + AsciiStrLen (Format) + 1;
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if (TotalSize > EFI_STATUS_CODE_DATA_MAX_SIZE) {
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return;
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}
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//
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// Then EFI_DEBUG_INFO
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//
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DebugInfo = (EFI_DEBUG_INFO *)Buffer;
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DebugInfo->ErrorLevel = (UINT32)ErrorLevel;
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//
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// 256 byte mini Var Arg stack. That is followed by the format string.
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//
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for (Index = 0, ArgumentPointer = (UINT64 *)(DebugInfo + 1); Index < 12; Index++, ArgumentPointer++) {
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*ArgumentPointer = VA_ARG (Marker, UINT64);
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}
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AsciiStrCpy ((CHAR8 *)ArgumentPointer, Format);
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//
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//
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//
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REPORT_STATUS_CODE_WITH_EXTENDED_DATA (
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EFI_DEBUG_CODE,
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(EFI_SOFTWARE_DXE_BS_DRIVER | EFI_DC_UNSPECIFIED),
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DebugInfo,
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TotalSize
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);
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}
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VOID
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EFIAPI
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DebugPrint (
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IN UINTN ErrorLevel,
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IN CHAR8 *Format,
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...
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)
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/*++
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Routine Description:
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Wrapper for DebugVPrint ()
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Arguments:
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ErrorLevel - If error level is set do the debug print.
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Format - String to use for the print, followed by Print arguments.
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... - Print arguments.
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Returns:
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None
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--*/
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{
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VA_LIST Marker;
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VA_START (Marker, Format);
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DebugVPrint (ErrorLevel, Format, Marker);
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VA_END (Marker);
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}
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/**
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Fills a target buffer with PcdDebugClearMemoryValue, and returns the target buffer.
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This function fills Length bytes of Buffer with the value specified by
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PcdDebugClearMemoryValue, and returns Buffer.
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If Buffer is NULL, then ASSERT().
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If Length is greater than (MAX_ADDRESS <20> Buffer + 1), then ASSERT().
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@param Buffer Pointer to the target buffer to fill with PcdDebugClearMemoryValue.
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@param Length Number of bytes in Buffer to fill with zeros PcdDebugClearMemoryValue.
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@return Buffer
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**/
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VOID *
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EFIAPI
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DebugClearMemory (
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OUT VOID *Buffer,
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IN UINTN Length
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)
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{
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// SetMem (Buffer, Length, PcdGet8(PcdDebugClearMemoryValue));
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SetMem (Buffer, Length, 0xAF);
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return Buffer;
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}
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BOOLEAN
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EFIAPI
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DebugAssertEnabled (
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VOID
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)
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{
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return ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED) != 0);
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}
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BOOLEAN
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EFIAPI
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DebugPrintEnabled (
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VOID
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)
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{
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return ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_PRINT_ENABLED) != 0);
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}
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BOOLEAN
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EFIAPI
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DebugCodeEnabled (
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VOID
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)
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{
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return ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_CODE_ENABLED) != 0);
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}
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BOOLEAN
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EFIAPI
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DebugClearMemoryEnabled (
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VOID
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)
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{
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return ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED) != 0);
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}
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