| 1 | /* $Id: RTIasl.cpp 108016 2025-02-01 19:21:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - iasl (acpica) like utility.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2025 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 <iprt/acpi.h>
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| 42 |
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| 43 | #include <iprt/buildconfig.h>
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| 44 | #include <iprt/errcore.h>
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| 45 | #include <iprt/file.h>
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| 46 | #include <iprt/getopt.h>
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| 47 | #include <iprt/initterm.h>
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| 48 | #include <iprt/message.h>
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| 49 | #include <iprt/param.h>
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| 50 | #include <iprt/path.h>
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| 51 | #include <iprt/stream.h>
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| 52 | #include <iprt/string.h>
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| 53 | #include <iprt/vfs.h>
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| 54 |
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| 55 |
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| 56 | /*********************************************************************************************************************************
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| 57 | * Structures and Typedefs *
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| 58 | *********************************************************************************************************************************/
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| 59 | /**
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| 60 | * IASL command options.
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| 61 | */
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| 62 | typedef struct RTCMDIASLOPTS
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| 63 | {
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| 64 | /** The input format. */
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| 65 | RTACPITBLTYPE enmInType;
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| 66 | /** The output format. */
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| 67 | RTACPITBLTYPE enmOutType;
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| 68 | /** The output filename */
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| 69 | const char *pszOutFile;
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| 70 | /** Output blob version. */
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| 71 | uint32_t u32VersionBlobOut;
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| 72 | } RTCMDIASLOPTS;
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| 73 | /** Pointer to const IASL options. */
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| 74 | typedef RTCMDIASLOPTS const *PCRTCMDIASLOPTS;
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| 75 |
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| 76 |
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| 77 | /**
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| 78 | * Opens the input file.
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| 79 | *
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| 80 | * @returns Command exit, error messages written using RTMsg*.
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| 81 | *
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| 82 | * @param pszFile The input filename.
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| 83 | * @param phVfsIos Where to return the input stream handle.
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| 84 | */
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| 85 | static RTEXITCODE rtCmdIaslOpenInput(const char *pszFile, PRTVFSIOSTREAM phVfsIos)
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| 86 | {
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| 87 | int rc;
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| 88 |
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| 89 | if (!strcmp(pszFile, "-"))
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| 90 | {
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| 91 | rc = RTVfsIoStrmFromStdHandle(RTHANDLESTD_INPUT,
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| 92 | RTFILE_O_READ | RTFILE_O_OPEN | RTFILE_O_DENY_NONE,
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| 93 | true /*fLeaveOpen*/,
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| 94 | phVfsIos);
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| 95 | if (RT_FAILURE(rc))
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| 96 | return RTMsgErrorExitFailure("Error opening standard input: %Rrc", rc);
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| 97 | }
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| 98 | else
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| 99 | {
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| 100 | uint32_t offError = 0;
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| 101 | RTERRINFOSTATIC ErrInfo;
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| 102 | rc = RTVfsChainOpenIoStream(pszFile, RTFILE_O_READ | RTFILE_O_OPEN | RTFILE_O_DENY_NONE,
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| 103 | phVfsIos, &offError, RTErrInfoInitStatic(&ErrInfo));
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| 104 | if (RT_FAILURE(rc))
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| 105 | return RTVfsChainMsgErrorExitFailure("RTVfsChainOpenIoStream", pszFile, rc, offError, &ErrInfo.Core);
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| 106 | }
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| 107 |
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| 108 | return RTEXITCODE_SUCCESS;
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| 109 | }
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| 110 |
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| 111 |
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| 112 | /**
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| 113 | * Opens the output file.
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| 114 | *
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| 115 | * @returns IPRT status code.
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| 116 | *
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| 117 | * @param pszFile The input filename.
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| 118 | * @param phVfsIos Where to return the input stream handle.
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| 119 | */
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| 120 | static int rtCmdIaslOpenOutput(const char *pszFile, PRTVFSIOSTREAM phVfsIos)
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| 121 | {
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| 122 | int rc;
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| 123 |
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| 124 | if (!strcmp(pszFile, "-"))
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| 125 | {
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| 126 | rc = RTVfsIoStrmFromStdHandle(RTHANDLESTD_OUTPUT,
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| 127 | RTFILE_O_WRITE | RTFILE_O_OPEN | RTFILE_O_DENY_NONE,
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| 128 | true /*fLeaveOpen*/,
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| 129 | phVfsIos);
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| 130 | if (RT_FAILURE(rc))
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| 131 | return RTMsgErrorRc(rc, "Error opening standard output: %Rrc", rc);
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| 132 | }
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| 133 | else
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| 134 | {
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| 135 | uint32_t offError = 0;
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| 136 | RTERRINFOSTATIC ErrInfo;
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| 137 | rc = RTVfsChainOpenIoStream(pszFile, RTFILE_O_WRITE | RTFILE_O_CREATE | RTFILE_O_DENY_NONE,
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| 138 | phVfsIos, &offError, RTErrInfoInitStatic(&ErrInfo));
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| 139 | if (RT_FAILURE(rc))
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| 140 | {
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| 141 | RTVfsChainMsgError("RTVfsChainOpenIoStream", pszFile, rc, offError, &ErrInfo.Core);
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| 142 | return rc;
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| 143 | }
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| 144 | }
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| 145 |
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| 146 | return VINF_SUCCESS;
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| 147 |
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| 148 | }
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| 149 |
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| 150 |
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| 151 | /**
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| 152 | * Processes the given input according to the options.
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| 153 | *
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| 154 | * @returns Command exit code, error messages written using RTMsg*.
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| 155 | * @param pOpts The command options.
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| 156 | * @param hVfsSrc VFS I/O stream handle of the input.
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| 157 | */
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| 158 | static RTEXITCODE rtCmdIaslProcess(PCRTCMDIASLOPTS pOpts, RTVFSIOSTREAM hVfsSrc)
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| 159 | {
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| 160 | if (pOpts->enmInType == RTACPITBLTYPE_INVALID)
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| 161 | return RTMsgErrorExitFailure("iASL input format wasn't given");
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| 162 | if (pOpts->enmOutType == RTACPITBLTYPE_INVALID)
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| 163 | return RTMsgErrorExitFailure("iASL output format wasn't given");
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| 164 |
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| 165 | RTERRINFOSTATIC ErrInfo;
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| 166 | RTVFSIOSTREAM hVfsIosDst = NIL_RTVFSIOSTREAM;
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| 167 | int rc = rtCmdIaslOpenOutput(pOpts->pszOutFile, &hVfsIosDst);
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| 168 | if (RT_SUCCESS(rc))
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| 169 | {
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| 170 | rc = RTAcpiTblConvertFromVfsIoStrm(hVfsIosDst, pOpts->enmOutType, hVfsSrc, pOpts->enmInType, RTErrInfoInitStatic(&ErrInfo));
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| 171 | if (RT_FAILURE(rc) && RTErrInfoIsSet(&ErrInfo.Core))
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| 172 | rc = RTMsgErrorRc(rc, "Disassembling the ACPI table failed: %Rrc - %s", rc, ErrInfo.Core.pszMsg);
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| 173 | else if (RT_FAILURE(rc))
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| 174 | rc = RTMsgErrorRc(rc, "Writing the disassembled ACPI table failed: %Rrc\n", rc);
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| 175 | RTVfsIoStrmRelease(hVfsIosDst);
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| 176 | }
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| 177 |
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| 178 | if (RT_FAILURE(rc))
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| 179 | return RTEXITCODE_FAILURE;
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| 180 |
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| 181 | return RTEXITCODE_SUCCESS;
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| 182 | }
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| 183 |
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| 184 |
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| 185 | /**
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| 186 | * A iasl clone.
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| 187 | *
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| 188 | * @returns Program exit code.
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| 189 | *
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| 190 | * @param cArgs The number of arguments.
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| 191 | * @param papszArgs The argument vector. (Note that this may be
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| 192 | * reordered, so the memory must be writable.)
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| 193 | */
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| 194 | static RTEXITCODE RTCmdIasl(unsigned cArgs, char **papszArgs)
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| 195 | {
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| 196 |
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| 197 | /*
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| 198 | * Parse the command line.
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| 199 | */
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| 200 | static const RTGETOPTDEF s_aOptions[] =
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| 201 | {
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| 202 | { "--disassemble", 'd', RTGETOPT_REQ_NOTHING },
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| 203 | { "--out", 'o', RTGETOPT_REQ_STRING },
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| 204 | { "--help", 'h', RTGETOPT_REQ_NOTHING },
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| 205 | { "--version", 'v', RTGETOPT_REQ_NOTHING },
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| 206 |
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| 207 | };
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| 208 |
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| 209 | RTCMDIASLOPTS Opts;
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| 210 | Opts.enmInType = RTACPITBLTYPE_ASL;
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| 211 | Opts.enmOutType = RTACPITBLTYPE_AML;
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| 212 |
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| 213 | RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
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| 214 | RTGETOPTSTATE GetState;
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| 215 | int rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1,
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| 216 | RTGETOPTINIT_FLAGS_OPTS_FIRST);
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| 217 | if (RT_SUCCESS(rc))
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| 218 | {
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| 219 | bool fContinue = true;
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| 220 | do
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| 221 | {
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| 222 | RTGETOPTUNION ValueUnion;
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| 223 | int chOpt = RTGetOpt(&GetState, &ValueUnion);
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| 224 | switch (chOpt)
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| 225 | {
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| 226 | case VINF_GETOPT_NOT_OPTION:
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| 227 | {
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| 228 | RTVFSIOSTREAM hVfsSrc;
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| 229 | RTEXITCODE rcExit2 = rtCmdIaslOpenInput(ValueUnion.psz, &hVfsSrc);
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| 230 | if (rcExit2 == RTEXITCODE_SUCCESS)
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| 231 | {
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| 232 | rcExit2 = rtCmdIaslProcess(&Opts, hVfsSrc);
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| 233 | RTVfsIoStrmRelease(hVfsSrc);
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| 234 | }
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| 235 | if (rcExit2 != RTEXITCODE_SUCCESS)
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| 236 | rcExit = rcExit2;
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| 237 | fContinue = false;
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| 238 | break;
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| 239 | }
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| 240 |
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| 241 | case 'd':
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| 242 | Opts.enmInType = RTACPITBLTYPE_AML;
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| 243 | Opts.enmOutType = RTACPITBLTYPE_ASL;
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| 244 | break;
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| 245 |
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| 246 | case 'o':
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| 247 | Opts.pszOutFile = ValueUnion.psz;
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| 248 | break;
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| 249 |
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| 250 | case 'h':
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| 251 | RTPrintf("Usage: to be written\nOption dump:\n");
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| 252 | for (unsigned i = 0; i < RT_ELEMENTS(s_aOptions); i++)
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| 253 | RTPrintf(" -%c,%s\n", s_aOptions[i].iShort, s_aOptions[i].pszLong);
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| 254 | fContinue = false;
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| 255 | break;
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| 256 |
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| 257 | case 'v':
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| 258 | RTPrintf("%sr%d\n", RTBldCfgVersion(), RTBldCfgRevision());
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| 259 | fContinue = false;
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| 260 | break;
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| 261 |
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| 262 | default:
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| 263 | rcExit = RTGetOptPrintError(chOpt, &ValueUnion);
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| 264 | fContinue = false;
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| 265 | break;
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| 266 | }
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| 267 | } while (fContinue);
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| 268 | }
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| 269 | else
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| 270 | rcExit = RTMsgErrorExit(RTEXITCODE_SYNTAX, "RTGetOptInit: %Rrc", rc);
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| 271 | return rcExit;
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| 272 | }
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| 273 |
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| 274 |
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| 275 | int main(int argc, char **argv)
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| 276 | {
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| 277 | int rc = RTR3InitExe(argc, &argv, 0);
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| 278 | if (RT_FAILURE(rc))
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| 279 | return RTMsgInitFailure(rc);
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| 280 | return RTCmdIasl(argc, argv);
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| 281 | }
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| 282 |
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