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/* $Id: bs3-cmn-TestPrintf.c $ */
/** @file
* BS3Kit - BS3TestPrintf, BS3TestPrintfV
*/
/*
* Copyright (C) 2007-2019 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.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include "bs3kit-template-header.h"
#include "bs3-cmn-test.h"
#include <iprt/asm-amd64-x86.h>
/*********************************************************************************************************************************
* Defined Constants And Macros *
*********************************************************************************************************************************/
#define SMALL_BUFFER 1
/*********************************************************************************************************************************
* Structures and Typedefs *
*********************************************************************************************************************************/
/** Output buffering for Bs3TestPrintfV. */
typedef struct BS3TESTPRINTBUF
{
bool fNewCmd;
#if SMALL_BUFFER
uint8_t cchBuf;
char achBuf[78];
#else
uint16_t cchBuf;
char achBuf[512];
#endif
} BS3TESTPRINTBUF;
/**
* @callback_method_impl{FNBS3STRFORMATOUTPUT, Prints to screen and VMMDev}
*/
static BS3_DECL_CALLBACK(size_t) bs3TestPrintfStrOutput(char ch, void BS3_FAR *pvUser)
{
BS3TESTPRINTBUF BS3_FAR *pBuf = (BS3TESTPRINTBUF BS3_FAR *)pvUser;
/*
* VMMDev first. We do line by line processing to avoid running out of
* string buffer on the host side.
*/
if (g_fbBs3VMMDevTesting)
{
if (ch != '\n' && !pBuf->fNewCmd)
ASMOutU8(VMMDEV_TESTING_IOPORT_DATA, ch);
else if (ch != '\0')
{
if (pBuf->fNewCmd)
{
#if ARCH_BITS == 16
ASMOutU16(VMMDEV_TESTING_IOPORT_CMD, (uint16_t)VMMDEV_TESTING_CMD_PRINT);
#else
ASMOutU32(VMMDEV_TESTING_IOPORT_CMD, VMMDEV_TESTING_CMD_PRINT);
#endif
pBuf->fNewCmd = false;
}
ASMOutU8(VMMDEV_TESTING_IOPORT_DATA, ch);
if (ch == '\n')
{
ASMOutU8(VMMDEV_TESTING_IOPORT_DATA, '\0');
pBuf->fNewCmd = true;
}
}
}
/*
* Console next.
*/
if (ch != '\0')
{
BS3_ASSERT(pBuf->cchBuf < RT_ELEMENTS(pBuf->achBuf));
pBuf->achBuf[pBuf->cchBuf++] = ch;
/* Whether to flush the buffer. We do line flushing here to avoid
dropping too much info when the formatter crashes on bad input. */
if ( pBuf->cchBuf < RT_ELEMENTS(pBuf->achBuf)
&& (!SMALL_BUFFER || ch != '\n') )
return 1;
}
BS3_ASSERT(pBuf->cchBuf <= RT_ELEMENTS(pBuf->achBuf));
Bs3PrintStrN(&pBuf->achBuf[0], pBuf->cchBuf);
pBuf->cchBuf = 0;
return ch != '\0';
}
#undef Bs3TestPrintfV
BS3_CMN_DEF(void, Bs3TestPrintfV,(const char BS3_FAR *pszFormat, va_list BS3_FAR va))
{
BS3TESTPRINTBUF Buf;
Buf.fNewCmd = true;
Buf.cchBuf = 0;
Bs3StrFormatV(pszFormat, va, bs3TestPrintfStrOutput, &Buf);
}
#undef Bs3TestPrintf
BS3_CMN_DEF(void, Bs3TestPrintf,(const char BS3_FAR *pszFormat, ...))
{
va_list va;
va_start(va, pszFormat);
BS3_CMN_NM(Bs3TestPrintfV)(pszFormat, va);
va_end(va);
}
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