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/* $Id: VBoxPrintHex.c 28800 2010-04-27 08:22:32Z vboxsync $ */
/** @file
* VBoxPrintHex.c - Implementation of the VBoxPrintHex() debug logging routine.
*/
/*
* Copyright (C) 2009-2010 Oracle Corporation
*
* 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.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include "VBoxDebugLib.h"
#include "DevEFI.h"
/**
* Prints a char.
* @param ch The char to print.
*/
DECLINLINE(void) vboxPrintHexChar(int ch)
{
ASMOutU8(EFI_DEBUG_PORT, (uint8_t)ch);
}
/**
* Print a hex number, up to 64-bit long.
*
* @returns Number of chars printed.
*
* @param uValue The value.
* @param cbType The size of the value type.
*/
size_t VBoxPrintHex(UINT64 uValue, size_t cbType)
{
static const char s_szHex[17] = "0123456789abcdef";
switch (cbType)
{
case 8:
vboxPrintHexChar(s_szHex[(uValue >> 60) & 0xf]);
vboxPrintHexChar(s_szHex[(uValue >> 56) & 0xf]);
vboxPrintHexChar(s_szHex[(uValue >> 52) & 0xf]);
vboxPrintHexChar(s_szHex[(uValue >> 48) & 0xf]);
vboxPrintHexChar(s_szHex[(uValue >> 44) & 0xf]);
vboxPrintHexChar(s_szHex[(uValue >> 40) & 0xf]);
vboxPrintHexChar(s_szHex[(uValue >> 36) & 0xf]);
vboxPrintHexChar(s_szHex[(uValue >> 32) & 0xf]);
case 4:
vboxPrintHexChar(s_szHex[(uValue >> 28) & 0xf]);
vboxPrintHexChar(s_szHex[(uValue >> 24) & 0xf]);
vboxPrintHexChar(s_szHex[(uValue >> 20) & 0xf]);
vboxPrintHexChar(s_szHex[(uValue >> 16) & 0xf]);
case 2:
vboxPrintHexChar(s_szHex[(uValue >> 12) & 0xf]);
vboxPrintHexChar(s_szHex[(uValue >> 8) & 0xf]);
case 1:
vboxPrintHexChar(s_szHex[(uValue >> 4) & 0xf]);
vboxPrintHexChar(s_szHex[(uValue ) & 0xf]);
break;
}
return cbType * 2;
}
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