1 | /* $Id: bs3-cmn-TestHostPrintf.c 96407 2022-08-22 17:43:14Z vboxsync $ */
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2 | /** @file
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3 | * BS3Kit - BS3TestPrintf, BS3TestPrintfV
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2007-2022 Oracle and/or its affiliates.
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8 | *
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9 | * This file is part of VirtualBox base platform packages, as
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10 | * available from https://www.virtualbox.org.
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11 | *
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12 | * This program is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU General Public License
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14 | * as published by the Free Software Foundation, in version 3 of the
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15 | * License.
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16 | *
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17 | * This program is distributed in the hope that it will be useful, but
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18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 | * General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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24 | *
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25 | * The contents of this file may alternatively be used under the terms
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26 | * of the Common Development and Distribution License Version 1.0
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27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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28 | * in the VirtualBox distribution, in which case the provisions of the
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29 | * CDDL are applicable instead of those of the GPL.
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30 | *
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31 | * You may elect to license modified versions of this file under the
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32 | * terms and conditions of either the GPL or the CDDL or both.
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33 | *
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34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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35 | */
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36 |
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37 |
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38 | /*********************************************************************************************************************************
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39 | * Header Files *
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40 | *********************************************************************************************************************************/
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41 | #include "bs3kit-template-header.h"
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42 | #include "bs3-cmn-test.h"
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43 |
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44 | #include <iprt/asm-amd64-x86.h>
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45 |
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46 |
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47 | /*********************************************************************************************************************************
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48 | * Structures and Typedefs *
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49 | *********************************************************************************************************************************/
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50 | /** Output state for Bs3TestHostPrintfV. */
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51 | typedef struct BS3TESTHOSTPRINTF
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52 | {
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53 | bool fNewCmd;
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54 | } BS3TESTHOSTPRINTF;
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55 |
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56 |
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57 | /**
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58 | * @callback_method_impl{FNBS3STRFORMATOUTPUT, Prints to screen and VMMDev}
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59 | */
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60 | static BS3_DECL_CALLBACK(size_t) bs3TestPrintfStrOutput(char ch, void BS3_FAR *pvUser)
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61 | {
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62 | BS3TESTHOSTPRINTF BS3_FAR *pState = (BS3TESTHOSTPRINTF BS3_FAR *)pvUser;
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63 |
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64 | /*
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65 | * VMMDev first. We do line by line processing to avoid running out of
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66 | * string buffer on the host side.
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67 | */
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68 | if (g_fbBs3VMMDevTesting)
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69 | {
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70 | if (ch != '\n' && !pState->fNewCmd)
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71 | ASMOutU8(VMMDEV_TESTING_IOPORT_DATA, ch);
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72 | else if (ch != '\0')
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73 | {
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74 | if (pState->fNewCmd)
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75 | {
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76 | #if ARCH_BITS == 16
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77 | ASMOutU16(VMMDEV_TESTING_IOPORT_CMD, (uint16_t)VMMDEV_TESTING_CMD_PRINT);
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78 | #else
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79 | ASMOutU32(VMMDEV_TESTING_IOPORT_CMD, VMMDEV_TESTING_CMD_PRINT);
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80 | #endif
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81 | pState->fNewCmd = false;
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82 | }
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83 | ASMOutU8(VMMDEV_TESTING_IOPORT_DATA, ch);
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84 | if (ch == '\n')
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85 | {
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86 | ASMOutU8(VMMDEV_TESTING_IOPORT_DATA, '\0');
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87 | pState->fNewCmd = true;
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88 | }
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89 | }
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90 | }
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91 |
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92 | return ch != '\0';
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93 | }
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94 |
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95 |
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96 | #undef Bs3TestHostPrintfV
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97 | BS3_CMN_DEF(void, Bs3TestHostPrintfV,(const char BS3_FAR *pszFormat, va_list BS3_FAR va))
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98 | {
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99 | BS3TESTHOSTPRINTF State;
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100 | State.fNewCmd = true;
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101 | Bs3StrFormatV(pszFormat, va, bs3TestPrintfStrOutput, &State);
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102 | }
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103 |
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104 |
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105 |
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106 | #undef Bs3TestHostPrintf
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107 | BS3_CMN_DEF(void, Bs3TestHostPrintf,(const char BS3_FAR *pszFormat, ...))
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108 | {
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109 | va_list va;
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110 | va_start(va, pszFormat);
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111 | BS3_CMN_NM(Bs3TestHostPrintfV)(pszFormat, va);
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112 | va_end(va);
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113 | }
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114 |
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