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/* $Id: VBoxDebugLib.c $ */
/** @file
* VBoxDebugLib.c - Debug logging and assertions support routines using DevEFI.
*/
/*
* Copyright (C) 2009-2010 Sun Microsystems, Inc.
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 USA or visit http://www.sun.com if you need
* additional information or have any questions.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include <Base.h>
#include <Library/PrintLib.h>
#include <Library/DebugLib.h>
#include "VBoxDebugLib.h"
#include "DevEFI.h"
VOID EFIAPI
DebugPrint(IN UINTN ErrorLevel, IN CONST CHAR8 *Format, ...)
{
CHAR8 szBuf[256];
VA_LIST va;
UINTN cch;
RTCCUINTREG SavedFlags;
/* No pool noise, please. */
if (ErrorLevel == DEBUG_POOL)
return;
VA_START(va, Format);
cch = AsciiVSPrint(szBuf, sizeof(szBuf), Format, va);
VA_END(va);
/* make sure it's terminated and doesn't end with a newline */
if (cch >= sizeof(szBuf))
cch = sizeof(szBuf) - 1;
while (cch > 0 && (szBuf[cch - 1] == '\n' || szBuf[cch - 1] == '\r'))
cch--;
szBuf[cch] = '\0';
SavedFlags = ASMIntDisableFlags();
VBoxPrintString("dbg/");
VBoxPrintHex(ErrorLevel, sizeof(ErrorLevel));
VBoxPrintChar(' ');
VBoxPrintString(szBuf);
VBoxPrintChar('\n');
ASMSetFlags(SavedFlags);
}
VOID EFIAPI
DebugAssert(IN CONST CHAR8 *FileName, IN UINTN LineNumber, IN CONST CHAR8 *Description)
{
RTCCUINTREG SavedFlags = ASMIntDisableFlags();
VBoxPrintString("EFI Assertion failed! File=");
VBoxPrintString(FileName ? FileName : "<NULL>");
VBoxPrintString(" line=0x");
VBoxPrintHex(LineNumber, sizeof(LineNumber));
VBoxPrintString("\nDescription: ");
VBoxPrintString(Description ? Description : "<NULL>");
ASMOutU8(EFI_PANIC_PORT, 2); /** @todo fix this. */
ASMSetFlags(SavedFlags);
}
VOID * EFIAPI
DebugClearMemory(OUT VOID *Buffer, IN UINTN Length)
{
return Buffer;
}
BOOLEAN EFIAPI
DebugAssertEnabled(VOID)
{
return TRUE;
}
BOOLEAN EFIAPI
DebugPrintEnabled(VOID)
{
/** @todo some PCD for this so we can disable it in release builds. */
return TRUE;
}
BOOLEAN EFIAPI
DebugCodeEnabled(VOID)
{
/** @todo ditto */
return TRUE;
}
BOOLEAN EFIAPI
DebugClearMemoryEnabled(VOID)
{
return FALSE;
}
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