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Diffstat (limited to 'src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-TestPrintf.c')
| -rw-r--r-- | src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-TestPrintf.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-TestPrintf.c b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-TestPrintf.c new file mode 100644 index 00000000..4b7df136 --- /dev/null +++ b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-TestPrintf.c @@ -0,0 +1,146 @@ +/* $Id: bs3-cmn-TestPrintf.c $ */ +/** @file + * BS3Kit - BS3TestPrintf, BS3TestPrintfV + */ + +/* + * Copyright (C) 2007-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox 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. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + + +/********************************************************************************************************************************* +* 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); +} + |