[41088] | 1 | /* $Id: MakeAlternativeSource.cpp 103005 2024-01-23 23:55:58Z vboxsync $ */
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| 2 | /** @file
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[42147] | 3 | * MakeAlternative - Generate an Alternative BIOS Source that requires less tools.
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[41088] | 4 | */
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| 5 |
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| 6 | /*
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[98103] | 7 | * Copyright (C) 2012-2023 Oracle and/or its affiliates.
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[41088] | 8 | *
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[96407] | 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 | * SPDX-License-Identifier: GPL-3.0-only
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[41088] | 26 | */
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| 27 |
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| 28 |
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[57358] | 29 | /*********************************************************************************************************************************
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| 30 | * Header Files *
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| 31 | *********************************************************************************************************************************/
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[103005] | 32 | #include <iprt/asm-mem.h>
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[41496] | 33 | #include <iprt/asm.h>
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[41316] | 34 | #include <iprt/buildconfig.h>
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[41482] | 35 | #include <iprt/ctype.h>
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[41489] | 36 | #include <iprt/dbg.h>
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[76346] | 37 | #include <iprt/err.h>
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[41316] | 38 | #include <iprt/file.h>
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[41088] | 39 | #include <iprt/getopt.h>
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| 40 | #include <iprt/initterm.h>
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[41609] | 41 | #include <iprt/list.h>
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[41088] | 42 | #include <iprt/mem.h>
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| 43 | #include <iprt/message.h>
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| 44 | #include <iprt/string.h>
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| 45 | #include <iprt/stream.h>
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[41506] | 46 | #include <iprt/x86.h>
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[41088] | 47 |
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[41496] | 48 | #include <VBox/dis.h>
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[41088] | 49 |
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[41496] | 50 |
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[57358] | 51 | /*********************************************************************************************************************************
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| 52 | * Structures and Typedefs *
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| 53 | *********************************************************************************************************************************/
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[41482] | 54 | /**
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| 55 | * A BIOS segment.
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| 56 | */
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| 57 | typedef struct BIOSSEG
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| 58 | {
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| 59 | char szName[32];
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| 60 | char szClass[32];
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| 61 | char szGroup[32];
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| 62 | RTFAR16 Address;
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[41488] | 63 | uint32_t uFlatAddr;
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[41482] | 64 | uint32_t cb;
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[74982] | 65 | /** RVA into g_hSymMod. */
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| 66 | uint32_t uRva;
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[41482] | 67 | } BIOSSEG;
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| 68 | /** Pointer to a BIOS segment. */
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| 69 | typedef BIOSSEG *PBIOSSEG;
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| 70 |
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| 71 |
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[41483] | 72 | /**
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[41609] | 73 | * A BIOS object file.
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| 74 | */
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| 75 | typedef struct BIOSOBJFILE
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| 76 | {
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| 77 | RTLISTNODE Node;
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| 78 | char *pszSource;
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| 79 | char *pszObject;
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| 80 | } BIOSOBJFILE;
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| 81 | /** A BIOS object file. */
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| 82 | typedef BIOSOBJFILE *PBIOSOBJFILE;
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| 83 |
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| 84 |
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| 85 | /**
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[41483] | 86 | * Pointer to a BIOS map parser handle.
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| 87 | */
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| 88 | typedef struct BIOSMAP
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| 89 | {
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| 90 | /** The stream pointer. */
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| 91 | PRTSTREAM hStrm;
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| 92 | /** The file name. */
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| 93 | const char *pszMapFile;
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[41488] | 94 | /** Set when EOF has been reached. */
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| 95 | bool fEof;
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[41483] | 96 | /** The current line number (0 based).*/
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| 97 | uint32_t iLine;
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| 98 | /** The length of the current line. */
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| 99 | uint32_t cch;
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| 100 | /** The offset of the first non-white character on the line. */
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| 101 | uint32_t offNW;
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| 102 | /** The line buffer. */
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| 103 | char szLine[16384];
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| 104 | } BIOSMAP;
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| 105 | /** Pointer to a BIOS map parser handle. */
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| 106 | typedef BIOSMAP *PBIOSMAP;
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| 107 |
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| 108 |
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[57358] | 109 | /*********************************************************************************************************************************
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| 110 | * Global Variables *
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| 111 | *********************************************************************************************************************************/
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[42147] | 112 | /** The verbosity level.*/
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[74982] | 113 | static unsigned g_cVerbose = 2 /*0*/;
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[41316] | 114 | /** Pointer to the BIOS image. */
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| 115 | static uint8_t const *g_pbImg;
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| 116 | /** The size of the BIOS image. */
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| 117 | static size_t g_cbImg;
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[41088] | 118 |
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[41489] | 119 | /** Debug module for the map file. */
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| 120 | static RTDBGMOD g_hMapMod = NIL_RTDBGMOD;
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[41482] | 121 | /** The number of BIOS segments found in the map file. */
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| 122 | static uint32_t g_cSegs = 0;
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| 123 | /** Array of BIOS segments from the map file. */
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| 124 | static BIOSSEG g_aSegs[32];
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[41609] | 125 | /** List of BIOSOBJFILE. */
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| 126 | static RTLISTANCHOR g_ObjList;
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[41088] | 127 |
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[74982] | 128 | /** Debug module with symbols. */
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| 129 | static RTDBGMOD g_hSymMod = NIL_RTDBGMOD;
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| 130 |
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[41489] | 131 | /** The output stream. */
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| 132 | static PRTSTREAM g_hStrmOutput = NULL;
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[41088] | 133 |
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[42147] | 134 | /** The type of BIOS we're working on. */
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| 135 | static enum BIOSTYPE
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| 136 | {
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| 137 | kBiosType_System = 0,
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| 138 | kBiosType_Vga
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| 139 | } g_enmBiosType = kBiosType_System;
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| 140 | /** The flat ROM base address. */
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| 141 | static uint32_t g_uBiosFlatBase = 0xf0000;
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[41482] | 142 |
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[42147] | 143 |
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[41489] | 144 | static bool outputPrintfV(const char *pszFormat, va_list va)
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| 145 | {
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| 146 | int rc = RTStrmPrintfV(g_hStrmOutput, pszFormat, va);
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| 147 | if (RT_FAILURE(rc))
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| 148 | {
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| 149 | RTMsgError("Output error: %Rrc\n", rc);
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| 150 | return false;
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| 151 | }
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| 152 | return true;
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| 153 | }
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[41482] | 154 |
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| 155 |
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[41489] | 156 | static bool outputPrintf(const char *pszFormat, ...)
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[41316] | 157 | {
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[41489] | 158 | va_list va;
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| 159 | va_start(va, pszFormat);
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| 160 | bool fRc = outputPrintfV(pszFormat, va);
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| 161 | va_end(va);
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| 162 | return fRc;
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[41316] | 163 | }
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[41088] | 164 |
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[41489] | 165 |
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| 166 | /**
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| 167 | * Opens the output file for writing.
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| 168 | *
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| 169 | * @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE+msg.
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| 170 | * @param pszOutput Path to the output file.
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| 171 | */
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[41316] | 172 | static RTEXITCODE OpenOutputFile(const char *pszOutput)
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| 173 | {
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[41489] | 174 | if (!pszOutput)
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| 175 | g_hStrmOutput = g_pStdOut;
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| 176 | else
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| 177 | {
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| 178 | int rc = RTStrmOpen(pszOutput, "w", &g_hStrmOutput);
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| 179 | if (RT_FAILURE(rc))
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| 180 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to open output file '%s': %Rrc", pszOutput, rc);
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| 181 | }
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| 182 | return RTEXITCODE_SUCCESS;
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[41316] | 183 | }
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| 184 |
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| 185 |
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[41482] | 186 | /**
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[41496] | 187 | * Displays a disassembly error and returns @c false.
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| 188 | *
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| 189 | * @returns @c false.
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| 190 | * @param pszFormat The error format string.
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| 191 | * @param ... Format argument.
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| 192 | */
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| 193 | static bool disError(const char *pszFormat, ...)
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| 194 | {
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| 195 | va_list va;
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| 196 | va_start(va, pszFormat);
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| 197 | RTMsgErrorV(pszFormat, va);
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| 198 | va_end(va);
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| 199 | return false;
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| 200 | }
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| 201 |
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| 202 |
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| 203 | /**
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[41489] | 204 | * Output the disassembly file header.
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| 205 | *
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| 206 | * @returns @c true on success,
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| 207 | */
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| 208 | static bool disFileHeader(void)
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| 209 | {
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[41609] | 210 | bool fRc;
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| 211 | fRc = outputPrintf("; $Id: MakeAlternativeSource.cpp 103005 2024-01-23 23:55:58Z vboxsync $ \n"
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| 212 | ";; @file\n"
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| 213 | "; Auto Generated source file. Do not edit.\n"
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| 214 | ";\n"
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| 215 | );
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| 216 | if (!fRc)
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| 217 | return fRc;
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| 218 |
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| 219 | /*
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| 220 | * List the header of each source file, up to and including the
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| 221 | * copyright notice.
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| 222 | */
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[48664] | 223 | bool fNeedLgplDisclaimer = false;
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[41609] | 224 | PBIOSOBJFILE pObjFile;
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| 225 | RTListForEach(&g_ObjList, pObjFile, BIOSOBJFILE, Node)
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| 226 | {
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| 227 | PRTSTREAM hStrm;
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| 228 | int rc = RTStrmOpen(pObjFile->pszSource, "r", &hStrm);
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| 229 | if (RT_SUCCESS(rc))
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| 230 | {
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| 231 | fRc = outputPrintf("\n"
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| 232 | ";\n"
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| 233 | "; Source file: %Rbn\n"
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| 234 | ";\n"
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| 235 | , pObjFile->pszSource);
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| 236 | uint32_t iLine = 0;
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| 237 | bool fSeenCopyright = false;
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| 238 | char szLine[4096];
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| 239 | while ((rc = RTStrmGetLine(hStrm, szLine, sizeof(szLine))) == VINF_SUCCESS)
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| 240 | {
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| 241 | iLine++;
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| 242 |
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| 243 | /* Check if we're done. */
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| 244 | char *psz = RTStrStrip(szLine);
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| 245 | if ( fSeenCopyright
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| 246 | && ( (psz[0] == '*' && psz[1] == '/')
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| 247 | || psz[0] == '\0') )
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| 248 | break;
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| 249 |
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| 250 | /* Strip comment suffix. */
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| 251 | size_t cch = strlen(psz);
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| 252 | if (cch >= 2 && psz[cch - 1] == '/' && psz[cch - 2] == '*')
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| 253 | {
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| 254 | psz[cch - 2] = '\0';
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| 255 | RTStrStripR(psz);
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| 256 | }
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| 257 |
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| 258 | /* Skip line prefix. */
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| 259 | if (psz[0] == '/' && psz[1] == '*')
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| 260 | psz += 2;
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| 261 | else if (psz[0] == '*')
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| 262 | psz += 1;
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| 263 | else
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| 264 | while (*psz == ';')
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| 265 | psz++;
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| 266 | if (RT_C_IS_SPACE(*psz))
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| 267 | psz++;
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| 268 |
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| 269 | /* Skip the doxygen file tag line. */
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| 270 | if (!strcmp(psz, "* @file") || !strcmp(psz, "@file"))
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| 271 | continue;
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| 272 |
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| 273 | /* Detect copyright section. */
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| 274 | if ( !fSeenCopyright
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| 275 | && ( strstr(psz, "Copyright")
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| 276 | || strstr(psz, "copyright")) )
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| 277 | fSeenCopyright = true;
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| 278 |
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[48664] | 279 | /* Detect LGPL. */
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| 280 | if (strstr(psz, "LGPL"))
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| 281 | fNeedLgplDisclaimer = true;
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| 282 |
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[41609] | 283 | fRc = outputPrintf("; %s\n", psz) && fRc;
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| 284 | }
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| 285 |
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| 286 | RTStrmClose(hStrm);
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| 287 | if (rc != VINF_SUCCESS)
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| 288 | return disError("Error reading '%s': rc=%Rrc iLine=%u", pObjFile->pszSource, rc, iLine);
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| 289 | }
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| 290 | }
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| 291 |
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| 292 | /*
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[48664] | 293 | * Add Oracle LGPL disclaimer.
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| 294 | */
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| 295 | if (fNeedLgplDisclaimer)
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| 296 | outputPrintf("\n"
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| 297 | ";\n"
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| 298 | "; Oracle LGPL Disclaimer: For the avoidance of doubt, except that if any license choice\n"
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| 299 | "; other than GPL or LGPL is available it will apply instead, Oracle elects to use only\n"
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| 300 | "; the Lesser General Public License version 2.1 (LGPLv2) at this time for any software where\n"
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| 301 | "; a choice of LGPL license versions is made available with the language indicating\n"
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| 302 | "; that LGPLv2 or any later version may be used, or where a choice of which version\n"
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| 303 | "; of the LGPL is applied is otherwise unspecified.\n"
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| 304 | ";\n"
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| 305 | "\n");
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| 306 |
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| 307 | /*
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[41609] | 308 | * Set the org.
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| 309 | */
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| 310 | fRc = outputPrintf("\n"
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| 311 | "\n"
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| 312 | "\n"
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| 313 | ) && fRc;
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| 314 | return fRc;
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[41489] | 315 | }
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| 316 |
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| 317 |
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[41496] | 318 | /**
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| 319 | * Checks if a byte sequence could be a string litteral.
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| 320 | *
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| 321 | * @returns @c true if it is, @c false if it isn't.
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| 322 | * @param uFlatAddr The address of the byte sequence.
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| 323 | * @param cb The length of the sequence.
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| 324 | */
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| 325 | static bool disIsString(uint32_t uFlatAddr, uint32_t cb)
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| 326 | {
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| 327 | if (cb < 6)
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| 328 | return false;
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| 329 |
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[42147] | 330 | uint8_t const *pb = &g_pbImg[uFlatAddr - g_uBiosFlatBase];
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[41496] | 331 | while (cb > 0)
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| 332 | {
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| 333 | if ( !RT_C_IS_PRINT(*pb)
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| 334 | && *pb != '\r'
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| 335 | && *pb != '\n'
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| 336 | && *pb != '\t')
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| 337 | {
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| 338 | if (*pb == '\0')
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| 339 | {
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| 340 | do
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| 341 | {
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| 342 | pb++;
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| 343 | cb--;
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| 344 | } while (cb > 0 && *pb == '\0');
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| 345 | return cb == 0;
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| 346 | }
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| 347 | return false;
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| 348 | }
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| 349 | pb++;
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| 350 | cb--;
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| 351 | }
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| 352 |
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| 353 | return true;
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| 354 | }
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| 355 |
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| 356 |
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[62450] | 357 | #if 0 /* unused */
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[41496] | 358 | /**
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| 359 | * Checks if a dword could be a far 16:16 BIOS address.
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| 360 | *
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| 361 | * @returns @c true if it is, @c false if it isn't.
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| 362 | * @param uFlatAddr The address of the dword.
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| 363 | */
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| 364 | static bool disIsFarBiosAddr(uint32_t uFlatAddr)
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| 365 | {
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[42147] | 366 | uint16_t const *pu16 = (uint16_t const *)&g_pbImg[uFlatAddr - g_uBiosFlatBase];
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[41496] | 367 | if (pu16[1] < 0xf000)
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| 368 | return false;
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| 369 | if (pu16[1] > 0xfff0)
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| 370 | return false;
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| 371 | uint32_t uFlatAddr2 = (uint32_t)(pu16[1] << 4) | pu16[0];
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[42147] | 372 | if (uFlatAddr2 >= g_uBiosFlatBase + g_cbImg)
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[41496] | 373 | return false;
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| 374 | return true;
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| 375 | }
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[62450] | 376 | #endif
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[41496] | 377 |
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| 378 |
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[41489] | 379 | static bool disByteData(uint32_t uFlatAddr, uint32_t cb)
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| 380 | {
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[42147] | 381 | uint8_t const *pb = &g_pbImg[uFlatAddr - g_uBiosFlatBase];
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[41489] | 382 | size_t cbOnLine = 0;
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| 383 | while (cb-- > 0)
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| 384 | {
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| 385 | bool fRc;
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| 386 | if (cbOnLine >= 16)
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| 387 | {
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| 388 | fRc = outputPrintf("\n"
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[41496] | 389 | " db 0%02xh", *pb);
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[41489] | 390 | cbOnLine = 1;
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| 391 | }
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| 392 | else if (!cbOnLine)
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| 393 | {
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[41496] | 394 | fRc = outputPrintf(" db 0%02xh", *pb);
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[41489] | 395 | cbOnLine = 1;
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| 396 | }
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| 397 | else
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| 398 | {
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| 399 | fRc = outputPrintf(", 0%02xh", *pb);
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| 400 | cbOnLine++;
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| 401 | }
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| 402 | if (!fRc)
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| 403 | return false;
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| 404 | pb++;
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| 405 | }
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| 406 | return outputPrintf("\n");
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| 407 | }
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| 408 |
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| 409 |
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[41496] | 410 | static bool disWordData(uint32_t uFlatAddr, uint32_t cb)
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| 411 | {
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| 412 | if (cb & 1)
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| 413 | return disError("disWordData expects word aligned size: cb=%#x uFlatAddr=%#x", uFlatAddr, cb);
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[41489] | 414 |
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[42147] | 415 | uint16_t const *pu16 = (uint16_t const *)&g_pbImg[uFlatAddr - g_uBiosFlatBase];
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[41496] | 416 | size_t cbOnLine = 0;
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| 417 | while (cb > 0)
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| 418 | {
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| 419 | bool fRc;
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| 420 | if (cbOnLine >= 16)
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| 421 | {
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| 422 | fRc = outputPrintf("\n"
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| 423 | " dw 0%04xh", *pu16);
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| 424 | cbOnLine = 2;
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| 425 | }
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| 426 | else if (!cbOnLine)
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| 427 | {
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| 428 | fRc = outputPrintf(" dw 0%04xh", *pu16);
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| 429 | cbOnLine = 2;
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| 430 | }
|
---|
| 431 | else
|
---|
| 432 | {
|
---|
| 433 | fRc = outputPrintf(", 0%04xh", *pu16);
|
---|
| 434 | cbOnLine += 2;
|
---|
| 435 | }
|
---|
| 436 | if (!fRc)
|
---|
| 437 | return false;
|
---|
| 438 | pu16++;
|
---|
| 439 | cb -= 2;
|
---|
| 440 | }
|
---|
| 441 | return outputPrintf("\n");
|
---|
| 442 | }
|
---|
| 443 |
|
---|
| 444 |
|
---|
| 445 | static bool disDWordData(uint32_t uFlatAddr, uint32_t cb)
|
---|
| 446 | {
|
---|
| 447 | if (cb & 3)
|
---|
| 448 | return disError("disWordData expects dword aligned size: cb=%#x uFlatAddr=%#x", uFlatAddr, cb);
|
---|
| 449 |
|
---|
[42147] | 450 | uint32_t const *pu32 = (uint32_t const *)&g_pbImg[uFlatAddr - g_uBiosFlatBase];
|
---|
[41496] | 451 | size_t cbOnLine = 0;
|
---|
| 452 | while (cb > 0)
|
---|
| 453 | {
|
---|
| 454 | bool fRc;
|
---|
| 455 | if (cbOnLine >= 16)
|
---|
| 456 | {
|
---|
| 457 | fRc = outputPrintf("\n"
|
---|
| 458 | " dd 0%08xh", *pu32);
|
---|
| 459 | cbOnLine = 4;
|
---|
| 460 | }
|
---|
| 461 | else if (!cbOnLine)
|
---|
| 462 | {
|
---|
| 463 | fRc = outputPrintf(" dd 0%08xh", *pu32);
|
---|
| 464 | cbOnLine = 4;
|
---|
| 465 | }
|
---|
| 466 | else
|
---|
| 467 | {
|
---|
| 468 | fRc = outputPrintf(", 0%08xh", *pu32);
|
---|
| 469 | cbOnLine += 4;
|
---|
| 470 | }
|
---|
| 471 | if (!fRc)
|
---|
| 472 | return false;
|
---|
| 473 | pu32++;
|
---|
| 474 | cb -= 4;
|
---|
| 475 | }
|
---|
| 476 | return outputPrintf("\n");
|
---|
| 477 | }
|
---|
| 478 |
|
---|
| 479 |
|
---|
| 480 | static bool disStringData(uint32_t uFlatAddr, uint32_t cb)
|
---|
| 481 | {
|
---|
[42147] | 482 | uint8_t const *pb = &g_pbImg[uFlatAddr - g_uBiosFlatBase];
|
---|
[41498] | 483 | uint32_t cchOnLine = 0;
|
---|
[41496] | 484 | while (cb > 0)
|
---|
| 485 | {
|
---|
| 486 | /* Line endings and beginnings. */
|
---|
| 487 | if (cchOnLine >= 72)
|
---|
| 488 | {
|
---|
| 489 | if (!outputPrintf("\n"))
|
---|
| 490 | return false;
|
---|
| 491 | cchOnLine = 0;
|
---|
| 492 | }
|
---|
| 493 | if ( !cchOnLine
|
---|
| 494 | && !outputPrintf(" db "))
|
---|
| 495 | return false;
|
---|
| 496 |
|
---|
| 497 | /* See how many printable character we've got. */
|
---|
| 498 | uint32_t cchPrintable = 0;
|
---|
| 499 | while ( cchPrintable < cb
|
---|
| 500 | && RT_C_IS_PRINT(pb[cchPrintable])
|
---|
| 501 | && pb[cchPrintable] != '\'')
|
---|
| 502 | cchPrintable++;
|
---|
| 503 |
|
---|
| 504 | bool fRc = true;
|
---|
| 505 | if (cchPrintable)
|
---|
| 506 | {
|
---|
| 507 | if (cchPrintable + cchOnLine > 72)
|
---|
| 508 | cchPrintable = 72 - cchOnLine;
|
---|
| 509 | if (cchOnLine)
|
---|
| 510 | {
|
---|
| 511 | fRc = outputPrintf(", '%.*s'", cchPrintable, pb);
|
---|
| 512 | cchOnLine += 4 + cchPrintable;
|
---|
| 513 | }
|
---|
| 514 | else
|
---|
| 515 | {
|
---|
| 516 | fRc = outputPrintf("'%.*s'", cchPrintable, pb);
|
---|
| 517 | cchOnLine += 2 + cchPrintable;
|
---|
| 518 | }
|
---|
| 519 | pb += cchPrintable;
|
---|
| 520 | cb -= cchPrintable;
|
---|
| 521 | }
|
---|
| 522 | else
|
---|
| 523 | {
|
---|
| 524 | if (cchOnLine)
|
---|
| 525 | {
|
---|
| 526 | fRc = outputPrintf(", 0%02xh", *pb);
|
---|
| 527 | cchOnLine += 6;
|
---|
| 528 | }
|
---|
| 529 | else
|
---|
| 530 | {
|
---|
| 531 | fRc = outputPrintf("0%02xh", *pb);
|
---|
| 532 | cchOnLine += 4;
|
---|
| 533 | }
|
---|
| 534 | pb++;
|
---|
| 535 | cb--;
|
---|
| 536 | }
|
---|
| 537 | if (!fRc)
|
---|
| 538 | return false;
|
---|
| 539 | }
|
---|
| 540 | return outputPrintf("\n");
|
---|
| 541 | }
|
---|
| 542 |
|
---|
| 543 |
|
---|
| 544 | /**
|
---|
| 545 | * For dumping a portion of a string table.
|
---|
| 546 | *
|
---|
| 547 | * @returns @c true on success, @c false on failure.
|
---|
| 548 | * @param uFlatAddr The start address.
|
---|
| 549 | * @param cb The size of the string table.
|
---|
| 550 | */
|
---|
| 551 | static bool disStringsData(uint32_t uFlatAddr, uint32_t cb)
|
---|
| 552 | {
|
---|
[42147] | 553 | uint8_t const *pb = &g_pbImg[uFlatAddr - g_uBiosFlatBase];
|
---|
[41498] | 554 | uint32_t cchOnLine = 0;
|
---|
[41496] | 555 | uint8_t bPrev = 255;
|
---|
| 556 | while (cb > 0)
|
---|
| 557 | {
|
---|
| 558 | /* Line endings and beginnings. */
|
---|
| 559 | if ( cchOnLine >= 72
|
---|
| 560 | || (bPrev == '\0' && *pb != '\0'))
|
---|
| 561 | {
|
---|
| 562 | if (!outputPrintf("\n"))
|
---|
| 563 | return false;
|
---|
| 564 | cchOnLine = 0;
|
---|
| 565 | }
|
---|
| 566 | if ( !cchOnLine
|
---|
| 567 | && !outputPrintf(" db "))
|
---|
| 568 | return false;
|
---|
| 569 |
|
---|
| 570 | /* See how many printable character we've got. */
|
---|
| 571 | uint32_t cchPrintable = 0;
|
---|
| 572 | while ( cchPrintable < cb
|
---|
| 573 | && RT_C_IS_PRINT(pb[cchPrintable])
|
---|
| 574 | && pb[cchPrintable] != '\'')
|
---|
| 575 | cchPrintable++;
|
---|
| 576 |
|
---|
| 577 | bool fRc = true;
|
---|
| 578 | if (cchPrintable)
|
---|
| 579 | {
|
---|
| 580 | if (cchPrintable + cchOnLine > 72)
|
---|
| 581 | cchPrintable = 72 - cchOnLine;
|
---|
| 582 | if (cchOnLine)
|
---|
| 583 | {
|
---|
| 584 | fRc = outputPrintf(", '%.*s'", cchPrintable, pb);
|
---|
| 585 | cchOnLine += 4 + cchPrintable;
|
---|
| 586 | }
|
---|
| 587 | else
|
---|
| 588 | {
|
---|
| 589 | fRc = outputPrintf("'%.*s'", cchPrintable, pb);
|
---|
| 590 | cchOnLine += 2 + cchPrintable;
|
---|
| 591 | }
|
---|
| 592 | pb += cchPrintable;
|
---|
| 593 | cb -= cchPrintable;
|
---|
| 594 | }
|
---|
| 595 | else
|
---|
| 596 | {
|
---|
| 597 | if (cchOnLine)
|
---|
| 598 | {
|
---|
| 599 | fRc = outputPrintf(", 0%02xh", *pb);
|
---|
| 600 | cchOnLine += 6;
|
---|
| 601 | }
|
---|
| 602 | else
|
---|
| 603 | {
|
---|
| 604 | fRc = outputPrintf("0%02xh", *pb);
|
---|
| 605 | cchOnLine += 4;
|
---|
| 606 | }
|
---|
| 607 | pb++;
|
---|
| 608 | cb--;
|
---|
| 609 | }
|
---|
| 610 | if (!fRc)
|
---|
| 611 | return false;
|
---|
| 612 | bPrev = pb[-1];
|
---|
| 613 | }
|
---|
| 614 | return outputPrintf("\n");
|
---|
| 615 | }
|
---|
| 616 |
|
---|
| 617 |
|
---|
| 618 | /**
|
---|
| 619 | * Minds the gap between two segments.
|
---|
| 620 | *
|
---|
| 621 | * Gaps should generally be zero filled.
|
---|
| 622 | *
|
---|
| 623 | * @returns @c true on success, @c false on failure.
|
---|
| 624 | * @param uFlatAddr The address of the gap.
|
---|
| 625 | * @param cbPadding The size of the gap.
|
---|
| 626 | */
|
---|
[41489] | 627 | static bool disCopySegmentGap(uint32_t uFlatAddr, uint32_t cbPadding)
|
---|
| 628 | {
|
---|
| 629 | if (g_cVerbose > 0)
|
---|
[41496] | 630 | outputPrintf("\n"
|
---|
| 631 | " ; Padding %#x bytes at %#x\n", cbPadding, uFlatAddr);
|
---|
[42147] | 632 | uint8_t const *pb = &g_pbImg[uFlatAddr - g_uBiosFlatBase];
|
---|
[59747] | 633 | if (ASMMemIsZero(pb, cbPadding))
|
---|
[41496] | 634 | return outputPrintf(" times %u db 0\n", cbPadding);
|
---|
| 635 |
|
---|
[41489] | 636 | return disByteData(uFlatAddr, cbPadding);
|
---|
| 637 | }
|
---|
| 638 |
|
---|
| 639 |
|
---|
[41496] | 640 | /**
|
---|
| 641 | * Worker for disGetNextSymbol that only does the looking up, no RTDBSYMBOL::cb
|
---|
| 642 | * calc.
|
---|
| 643 | *
|
---|
| 644 | * @param uFlatAddr The address to start searching at.
|
---|
| 645 | * @param cbMax The size of the search range.
|
---|
| 646 | * @param poff Where to return the offset between the symbol
|
---|
| 647 | * and @a uFlatAddr.
|
---|
| 648 | * @param pSym Where to return the symbol data.
|
---|
| 649 | */
|
---|
| 650 | static void disGetNextSymbolWorker(uint32_t uFlatAddr, uint32_t cbMax, uint32_t *poff, PRTDBGSYMBOL pSym)
|
---|
| 651 | {
|
---|
[74982] | 652 | RTINTPTR offMap = RTINTPTR_MAX;
|
---|
| 653 | RTDBGSYMBOL MapSym;
|
---|
| 654 | int rcMap = RTDbgModSymbolByAddr(g_hMapMod, RTDBGSEGIDX_RVA, uFlatAddr, RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL, &offMap, &MapSym);
|
---|
| 655 |
|
---|
| 656 | RTINTPTR off = RTINTPTR_MAX;
|
---|
| 657 | int rc = RTDbgModSymbolByAddr(g_hSymMod, RTDBGSEGIDX_RVA, uFlatAddr - g_uBiosFlatBase,
|
---|
| 658 | RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL, &off, pSym);
|
---|
| 659 | if ( RT_SUCCESS(rc)
|
---|
| 660 | && RT_ABS(off) <= RT_ABS(offMap))
|
---|
| 661 | pSym->Value += g_uBiosFlatBase;
|
---|
| 662 | else
|
---|
| 663 | {
|
---|
| 664 | *pSym = MapSym;
|
---|
| 665 | off = offMap;
|
---|
| 666 | rc = rcMap;
|
---|
| 667 | }
|
---|
[41496] | 668 | if (RT_SUCCESS(rc))
|
---|
| 669 | {
|
---|
| 670 | /* negative offset, indicates beyond. */
|
---|
| 671 | if (off <= 0)
|
---|
| 672 | {
|
---|
| 673 | *poff = (uint32_t)-off;
|
---|
[74982] | 674 |
|
---|
| 675 | /* Mangle symbols the assembler might confuse with instructions. */
|
---|
| 676 | size_t cchName = strlen(pSym->szName);
|
---|
| 677 | if ( cchName <= 4
|
---|
| 678 | && ( strcmp("wait", pSym->szName) == 0
|
---|
| 679 | || strcmp("hlt", pSym->szName) == 0))
|
---|
| 680 | {
|
---|
| 681 | memmove(&pSym->szName[1], &pSym->szName[0], cchName);
|
---|
| 682 | pSym->szName[0] = '_';
|
---|
| 683 | pSym->szName[cchName + 1] = '_';
|
---|
| 684 | pSym->szName[cchName + 2] = '\0';
|
---|
| 685 | }
|
---|
[41496] | 686 | return;
|
---|
| 687 | }
|
---|
| 688 |
|
---|
| 689 | outputPrintf(" ; !! RTDbgModSymbolByAddr(,,%#x,,) -> off=%RTptr cb=%RTptr uValue=%RTptr '%s'\n",
|
---|
| 690 | uFlatAddr, off, pSym->cb, pSym->Value, pSym->szName);
|
---|
| 691 | }
|
---|
| 692 | else if (rc != VERR_SYMBOL_NOT_FOUND)
|
---|
| 693 | outputPrintf(" ; !! RTDbgModSymbolByAddr(,,%#x,,) -> %Rrc\n", uFlatAddr, rc);
|
---|
| 694 |
|
---|
| 695 | RTStrPrintf(pSym->szName, sizeof(pSym->szName), "_dummy_addr_%#x", uFlatAddr + cbMax);
|
---|
| 696 | pSym->Value = uFlatAddr + cbMax;
|
---|
| 697 | pSym->cb = 0;
|
---|
| 698 | pSym->offSeg = uFlatAddr + cbMax;
|
---|
| 699 | pSym->iSeg = RTDBGSEGIDX_RVA;
|
---|
| 700 | pSym->iOrdinal = 0;
|
---|
| 701 | pSym->fFlags = 0;
|
---|
| 702 | *poff = cbMax;
|
---|
| 703 | }
|
---|
| 704 |
|
---|
| 705 |
|
---|
| 706 | /**
|
---|
| 707 | * Gets the symbol at or after the given address.
|
---|
| 708 | *
|
---|
| 709 | * If there are no symbols in the specified range, @a pSym and @a poff will be
|
---|
| 710 | * set up to indicate a symbol at the first byte after the range.
|
---|
| 711 | *
|
---|
| 712 | * @param uFlatAddr The address to start searching at.
|
---|
| 713 | * @param cbMax The size of the search range.
|
---|
| 714 | * @param poff Where to return the offset between the symbol
|
---|
| 715 | * and @a uFlatAddr.
|
---|
| 716 | * @param pSym Where to return the symbol data.
|
---|
| 717 | */
|
---|
| 718 | static void disGetNextSymbol(uint32_t uFlatAddr, uint32_t cbMax, uint32_t *poff, PRTDBGSYMBOL pSym)
|
---|
| 719 | {
|
---|
| 720 | disGetNextSymbolWorker(uFlatAddr, cbMax, poff, pSym);
|
---|
| 721 | if ( *poff < cbMax
|
---|
| 722 | && pSym->cb == 0)
|
---|
| 723 | {
|
---|
| 724 | if (*poff + 1 < cbMax)
|
---|
| 725 | {
|
---|
| 726 | uint32_t off2;
|
---|
| 727 | RTDBGSYMBOL Sym2;
|
---|
| 728 | disGetNextSymbolWorker(uFlatAddr + *poff + 1, cbMax - *poff - 1, &off2, &Sym2);
|
---|
| 729 | pSym->cb = off2 + 1;
|
---|
| 730 | }
|
---|
| 731 | else
|
---|
| 732 | pSym->cb = 1;
|
---|
| 733 | }
|
---|
| 734 | if (pSym->cb > cbMax - *poff)
|
---|
| 735 | pSym->cb = cbMax - *poff;
|
---|
| 736 |
|
---|
| 737 | if (g_cVerbose > 1)
|
---|
| 738 | outputPrintf(" ; disGetNextSymbol %#x LB %#x -> off=%#x cb=%RTptr uValue=%RTptr '%s'\n",
|
---|
| 739 | uFlatAddr, cbMax, *poff, pSym->cb, pSym->Value, pSym->szName);
|
---|
| 740 |
|
---|
| 741 | }
|
---|
| 742 |
|
---|
| 743 |
|
---|
| 744 | /**
|
---|
| 745 | * For dealing with the const segment (string constants).
|
---|
| 746 | *
|
---|
| 747 | * @returns @c true on success, @c false on failure.
|
---|
| 748 | * @param iSeg The segment.
|
---|
| 749 | */
|
---|
| 750 | static bool disConstSegment(uint32_t iSeg)
|
---|
| 751 | {
|
---|
| 752 | uint32_t uFlatAddr = g_aSegs[iSeg].uFlatAddr;
|
---|
| 753 | uint32_t cb = g_aSegs[iSeg].cb;
|
---|
| 754 |
|
---|
| 755 | while (cb > 0)
|
---|
| 756 | {
|
---|
| 757 | uint32_t off;
|
---|
| 758 | RTDBGSYMBOL Sym;
|
---|
| 759 | disGetNextSymbol(uFlatAddr, cb, &off, &Sym);
|
---|
| 760 |
|
---|
| 761 | if (off > 0)
|
---|
| 762 | {
|
---|
| 763 | if (!disStringsData(uFlatAddr, off))
|
---|
| 764 | return false;
|
---|
| 765 | cb -= off;
|
---|
| 766 | uFlatAddr += off;
|
---|
| 767 | off = 0;
|
---|
| 768 | if (!cb)
|
---|
| 769 | break;
|
---|
| 770 | }
|
---|
| 771 |
|
---|
| 772 | bool fRc;
|
---|
| 773 | if (off == 0)
|
---|
| 774 | {
|
---|
| 775 | size_t cchName = strlen(Sym.szName);
|
---|
| 776 | fRc = outputPrintf("%s: %*s; %#x LB %#x\n", Sym.szName, cchName < 41 - 2 ? cchName - 41 - 2 : 0, "", uFlatAddr, Sym.cb);
|
---|
| 777 | if (!fRc)
|
---|
| 778 | return false;
|
---|
| 779 | fRc = disStringsData(uFlatAddr, Sym.cb);
|
---|
| 780 | uFlatAddr += Sym.cb;
|
---|
| 781 | cb -= Sym.cb;
|
---|
| 782 | }
|
---|
| 783 | else
|
---|
| 784 | {
|
---|
| 785 | fRc = disStringsData(uFlatAddr, Sym.cb);
|
---|
| 786 | uFlatAddr += cb;
|
---|
| 787 | cb = 0;
|
---|
| 788 | }
|
---|
| 789 | if (!fRc)
|
---|
| 790 | return false;
|
---|
| 791 | }
|
---|
| 792 |
|
---|
| 793 | return true;
|
---|
| 794 | }
|
---|
| 795 |
|
---|
| 796 |
|
---|
| 797 |
|
---|
[41489] | 798 | static bool disDataSegment(uint32_t iSeg)
|
---|
| 799 | {
|
---|
[41496] | 800 | uint32_t uFlatAddr = g_aSegs[iSeg].uFlatAddr;
|
---|
| 801 | uint32_t cb = g_aSegs[iSeg].cb;
|
---|
| 802 |
|
---|
| 803 | while (cb > 0)
|
---|
| 804 | {
|
---|
| 805 | uint32_t off;
|
---|
| 806 | RTDBGSYMBOL Sym;
|
---|
| 807 | disGetNextSymbol(uFlatAddr, cb, &off, &Sym);
|
---|
| 808 |
|
---|
| 809 | if (off > 0)
|
---|
| 810 | {
|
---|
| 811 | if (!disByteData(uFlatAddr, off))
|
---|
| 812 | return false;
|
---|
| 813 | cb -= off;
|
---|
| 814 | uFlatAddr += off;
|
---|
| 815 | off = 0;
|
---|
| 816 | if (!cb)
|
---|
| 817 | break;
|
---|
| 818 | }
|
---|
| 819 |
|
---|
| 820 | bool fRc;
|
---|
| 821 | if (off == 0)
|
---|
| 822 | {
|
---|
| 823 | size_t cchName = strlen(Sym.szName);
|
---|
| 824 | fRc = outputPrintf("%s: %*s; %#x LB %#x\n", Sym.szName, cchName < 41 - 2 ? cchName - 41 - 2 : 0, "", uFlatAddr, Sym.cb);
|
---|
| 825 | if (!fRc)
|
---|
| 826 | return false;
|
---|
| 827 |
|
---|
| 828 | if (Sym.cb == 2)
|
---|
| 829 | fRc = disWordData(uFlatAddr, 2);
|
---|
| 830 | //else if (Sym.cb == 4 && disIsFarBiosAddr(uFlatAddr))
|
---|
| 831 | // fRc = disDWordData(uFlatAddr, 4);
|
---|
| 832 | else if (Sym.cb == 4)
|
---|
| 833 | fRc = disDWordData(uFlatAddr, 4);
|
---|
| 834 | else if (disIsString(uFlatAddr, Sym.cb))
|
---|
| 835 | fRc = disStringData(uFlatAddr, Sym.cb);
|
---|
| 836 | else
|
---|
| 837 | fRc = disByteData(uFlatAddr, Sym.cb);
|
---|
| 838 |
|
---|
| 839 | uFlatAddr += Sym.cb;
|
---|
| 840 | cb -= Sym.cb;
|
---|
| 841 | }
|
---|
| 842 | else
|
---|
| 843 | {
|
---|
| 844 | fRc = disByteData(uFlatAddr, cb);
|
---|
| 845 | uFlatAddr += cb;
|
---|
| 846 | cb = 0;
|
---|
| 847 | }
|
---|
| 848 | if (!fRc)
|
---|
| 849 | return false;
|
---|
| 850 | }
|
---|
| 851 |
|
---|
| 852 | return true;
|
---|
[41489] | 853 | }
|
---|
| 854 |
|
---|
| 855 |
|
---|
[41496] | 856 | static bool disIsCodeAndAdjustSize(uint32_t uFlatAddr, PRTDBGSYMBOL pSym, PBIOSSEG pSeg)
|
---|
| 857 | {
|
---|
[62594] | 858 | RT_NOREF_PV(uFlatAddr);
|
---|
| 859 |
|
---|
[42147] | 860 | switch (g_enmBiosType)
|
---|
[41496] | 861 | {
|
---|
[42147] | 862 | /*
|
---|
| 863 | * This is for the PC BIOS.
|
---|
| 864 | */
|
---|
| 865 | case kBiosType_System:
|
---|
| 866 | if (!strcmp(pSeg->szName, "BIOSSEG"))
|
---|
| 867 | {
|
---|
| 868 | if ( !strcmp(pSym->szName, "rom_fdpt")
|
---|
| 869 | || !strcmp(pSym->szName, "pmbios_gdt")
|
---|
| 870 | || !strcmp(pSym->szName, "pmbios_gdt_desc")
|
---|
| 871 | || !strcmp(pSym->szName, "_pmode_IDT")
|
---|
| 872 | || !strcmp(pSym->szName, "_rmode_IDT")
|
---|
| 873 | || !strncmp(pSym->szName, RT_STR_TUPLE("font"))
|
---|
| 874 | || !strcmp(pSym->szName, "bios_string")
|
---|
| 875 | || !strcmp(pSym->szName, "vector_table")
|
---|
| 876 | || !strcmp(pSym->szName, "pci_routing_table_structure")
|
---|
[42369] | 877 | || !strcmp(pSym->szName, "_pci_routing_table")
|
---|
[42147] | 878 | )
|
---|
| 879 | return false;
|
---|
| 880 | }
|
---|
| 881 |
|
---|
| 882 | if (!strcmp(pSym->szName, "cpu_reset"))
|
---|
| 883 | pSym->cb = RT_MIN(pSym->cb, 5);
|
---|
| 884 | else if (!strcmp(pSym->szName, "pci_init_end"))
|
---|
| 885 | pSym->cb = RT_MIN(pSym->cb, 3);
|
---|
| 886 | break;
|
---|
| 887 |
|
---|
| 888 | /*
|
---|
| 889 | * This is for the VGA BIOS.
|
---|
| 890 | */
|
---|
| 891 | case kBiosType_Vga:
|
---|
| 892 | break;
|
---|
[41496] | 893 | }
|
---|
| 894 |
|
---|
| 895 | return true;
|
---|
| 896 | }
|
---|
| 897 |
|
---|
| 898 |
|
---|
| 899 | static bool disIs16BitCode(const char *pszSymbol)
|
---|
| 900 | {
|
---|
[62594] | 901 | RT_NOREF_PV(pszSymbol);
|
---|
[41496] | 902 | return true;
|
---|
| 903 | }
|
---|
| 904 |
|
---|
| 905 |
|
---|
[74982] | 906 | static bool disIsMemoryParameter(PCDISOPPARAM pParam, uint16_t fParam)
|
---|
| 907 | {
|
---|
| 908 | return fParam != OP_PARM_NONE
|
---|
| 909 | && DISUSE_IS_EFFECTIVE_ADDR(pParam->fUse);
|
---|
| 910 | }
|
---|
| 911 |
|
---|
| 912 |
|
---|
[99208] | 913 | static bool disAccessesMemory(PCDISSTATE pDis)
|
---|
[74982] | 914 | {
|
---|
[99208] | 915 | PCDISOPCODE pCurInstr = pDis->pCurInstr;
|
---|
| 916 | return disIsMemoryParameter(&pDis->Param1, pCurInstr->fParam1)
|
---|
| 917 | || disIsMemoryParameter(&pDis->Param2, pCurInstr->fParam2)
|
---|
| 918 | || disIsMemoryParameter(&pDis->Param3, pCurInstr->fParam3)
|
---|
| 919 | || disIsMemoryParameter(&pDis->Param4, pCurInstr->fParam4);
|
---|
[74982] | 920 | }
|
---|
| 921 |
|
---|
| 922 |
|
---|
[41496] | 923 | /**
|
---|
| 924 | * Deals with instructions that YASM will assemble differently than WASM/WCC.
|
---|
| 925 | */
|
---|
[99208] | 926 | static size_t disHandleYasmDifferences(PDISSTATE pDis, uint32_t uFlatAddr, uint32_t cbInstr,
|
---|
[41496] | 927 | char *pszBuf, size_t cbBuf, size_t cchUsed)
|
---|
| 928 | {
|
---|
[99208] | 929 | bool fDifferent = DISFormatYasmIsOddEncoding(pDis);
|
---|
[42147] | 930 | uint8_t const *pb = &g_pbImg[uFlatAddr - g_uBiosFlatBase];
|
---|
[41506] | 931 |
|
---|
| 932 | /*
|
---|
| 933 | * Disassembler bugs.
|
---|
| 934 | */
|
---|
| 935 | /** @todo Group 1a and 11 seems to be disassembled incorrectly when
|
---|
| 936 | * modrm.reg != 0. Those encodings should be invalid AFAICT. */
|
---|
| 937 |
|
---|
[101539] | 938 | if ( ( pDis->x86.bOpCode == 0x8f /* group 1a */
|
---|
| 939 | || pDis->x86.bOpCode == 0xc7 /* group 11 */
|
---|
| 940 | || pDis->x86.bOpCode == 0xc6 /* group 11 - not verified */
|
---|
[41506] | 941 | )
|
---|
[101539] | 942 | && pDis->x86.ModRM.Bits.Reg != 0)
|
---|
[41506] | 943 | fDifferent = true;
|
---|
| 944 | /*
|
---|
| 945 | * Check these out and consider adding them to DISFormatYasmIsOddEncoding.
|
---|
| 946 | */
|
---|
[41496] | 947 | else if ( pb[0] == 0xf3
|
---|
| 948 | && pb[1] == 0x66
|
---|
| 949 | && pb[2] == 0x6d)
|
---|
| 950 | fDifferent = true; /* rep insd - prefix switched. */
|
---|
| 951 | else if ( pb[0] == 0xc6
|
---|
| 952 | && pb[1] == 0xc5
|
---|
| 953 | && pb[2] == 0xba)
|
---|
| 954 | fDifferent = true; /* mov ch, 0bah - yasm uses a short sequence: 0xb5 0xba. */
|
---|
| 955 |
|
---|
[43077] | 956 | /*
|
---|
| 957 | * 32-bit retf.
|
---|
| 958 | */
|
---|
| 959 | else if ( pb[0] == 0x66
|
---|
| 960 | && pb[1] == 0xcb)
|
---|
| 961 | fDifferent = true;
|
---|
[41496] | 962 |
|
---|
| 963 | /*
|
---|
| 964 | * Handle different stuff.
|
---|
| 965 | */
|
---|
| 966 | if (fDifferent)
|
---|
| 967 | {
|
---|
| 968 | disByteData(uFlatAddr, cbInstr); /* lazy bird. */
|
---|
| 969 |
|
---|
| 970 | if (cchUsed + 2 < cbBuf)
|
---|
| 971 | {
|
---|
[45045] | 972 | memmove(pszBuf + 2, pszBuf, cchUsed + 1); /* include terminating \0 */
|
---|
[41496] | 973 | cchUsed += 2;
|
---|
| 974 | }
|
---|
| 975 |
|
---|
| 976 | pszBuf[0] = ';';
|
---|
| 977 | pszBuf[1] = ' ';
|
---|
| 978 | }
|
---|
| 979 |
|
---|
| 980 | return cchUsed;
|
---|
| 981 | }
|
---|
| 982 |
|
---|
| 983 |
|
---|
| 984 | /**
|
---|
[41658] | 985 | * @callback_method_impl{FNDISREADBYTES}
|
---|
[41496] | 986 | *
|
---|
[41658] | 987 | * @remarks @a uSrcAddr is the flat address.
|
---|
[41496] | 988 | */
|
---|
[99208] | 989 | static DECLCALLBACK(int) disReadOpcodeBytes(PDISSTATE pDis, uint8_t offInstr, uint8_t cbMinRead, uint8_t cbMaxRead)
|
---|
[41496] | 990 | {
|
---|
[62594] | 991 | RT_NOREF_PV(cbMinRead);
|
---|
| 992 |
|
---|
[42147] | 993 | RTUINTPTR offBios = pDis->uInstrAddr + offInstr - g_uBiosFlatBase;
|
---|
[41760] | 994 | size_t cbToRead = cbMaxRead;
|
---|
[42147] | 995 | if (offBios + cbToRead > g_cbImg)
|
---|
[41496] | 996 | {
|
---|
[42147] | 997 | if (offBios >= g_cbImg)
|
---|
[41496] | 998 | cbToRead = 0;
|
---|
| 999 | else
|
---|
[42147] | 1000 | cbToRead = g_cbImg - offBios;
|
---|
[41496] | 1001 | }
|
---|
[101539] | 1002 | memcpy(&pDis->Instr.ab[offInstr], &g_pbImg[offBios], cbToRead);
|
---|
[42548] | 1003 | pDis->cbCachedInstr = (uint8_t)(offInstr + cbToRead);
|
---|
[41496] | 1004 | return VINF_SUCCESS;
|
---|
| 1005 | }
|
---|
| 1006 |
|
---|
| 1007 |
|
---|
| 1008 | /**
|
---|
| 1009 | * Disassembles code.
|
---|
| 1010 | *
|
---|
| 1011 | * @returns @c true on success, @c false on failure.
|
---|
| 1012 | * @param uFlatAddr The address where the code starts.
|
---|
| 1013 | * @param cb The amount of code to disassemble.
|
---|
| 1014 | * @param fIs16Bit Is is 16-bit (@c true) or 32-bit (@c false).
|
---|
| 1015 | */
|
---|
| 1016 | static bool disCode(uint32_t uFlatAddr, uint32_t cb, bool fIs16Bit)
|
---|
| 1017 | {
|
---|
[42147] | 1018 | uint8_t const *pb = &g_pbImg[uFlatAddr - g_uBiosFlatBase];
|
---|
[41496] | 1019 |
|
---|
| 1020 | while (cb > 0)
|
---|
| 1021 | {
|
---|
| 1022 | /* Trailing zero padding detection. */
|
---|
| 1023 | if ( *pb == '\0'
|
---|
[59747] | 1024 | && ASMMemIsZero(pb, RT_MIN(cb, 8)))
|
---|
[41496] | 1025 | {
|
---|
[59747] | 1026 | void *pv = ASMMemFirstNonZero(pb, cb);
|
---|
[41498] | 1027 | uint32_t cbZeros = pv ? (uint32_t)((uint8_t const *)pv - pb) : cb;
|
---|
[41496] | 1028 | if (!outputPrintf(" times %#x db 0\n", cbZeros))
|
---|
| 1029 | return false;
|
---|
| 1030 | cb -= cbZeros;
|
---|
| 1031 | pb += cbZeros;
|
---|
| 1032 | uFlatAddr += cbZeros;
|
---|
| 1033 | if ( cb == 2
|
---|
| 1034 | && pb[0] == 'X'
|
---|
| 1035 | && pb[1] == 'M')
|
---|
| 1036 | return disStringData(uFlatAddr, cb);
|
---|
| 1037 | }
|
---|
| 1038 | /* Work arounds for switch tables and such (disas assertions). */
|
---|
[43630] | 1039 | else if ( 0
|
---|
[51062] | 1040 | || ( pb[0] == 0x50 /* int13_cdemu switch */
|
---|
[47937] | 1041 | && pb[1] == 0x4e
|
---|
| 1042 | && pb[2] == 0x49
|
---|
| 1043 | && pb[3] == 0x48
|
---|
| 1044 | && pb[4] == 0x47
|
---|
| 1045 | )
|
---|
[67789] | 1046 | || ( pb[0] == 0x8b /* _int13_harddisk_ext switch */
|
---|
| 1047 | && pb[1] == 0x46
|
---|
| 1048 | && pb[2] == 0x16
|
---|
| 1049 | && pb[3] == 0x30
|
---|
| 1050 | && pb[4] == 0xe8
|
---|
| 1051 | && pb[5] == 0x80
|
---|
[67495] | 1052 | )
|
---|
[67789] | 1053 | || ( pb[0] == 0xd8
|
---|
| 1054 | && pb[1] == 0x5f
|
---|
| 1055 | && pb[2] == 0x0b
|
---|
| 1056 | && pb[3] == 0x60
|
---|
| 1057 | && pb[4] == 0x0b
|
---|
| 1058 | && pb[5] == 0x60
|
---|
| 1059 | )
|
---|
[51062] | 1060 | || ( pb[0] == 0x67 /* _pci16_function switch */
|
---|
| 1061 | && pb[1] == 0x92
|
---|
| 1062 | && pb[2] == 0x81
|
---|
| 1063 | && pb[3] == 0x92
|
---|
| 1064 | && pb[4] == 0x94
|
---|
| 1065 | && pb[5] == 0x92
|
---|
[43630] | 1066 | )
|
---|
[45670] | 1067 | || ( pb[0] == 0xa3 /* _int1a_function switch */
|
---|
[43630] | 1068 | && pb[1] == 0x67
|
---|
[45670] | 1069 | && pb[2] == 0xca
|
---|
[43630] | 1070 | && pb[3] == 0x67
|
---|
[45670] | 1071 | && pb[4] == 0xef
|
---|
| 1072 | && pb[5] == 0x67
|
---|
[43630] | 1073 | )
|
---|
| 1074 | || ( pb[0] == 0x0b /* _ahci_init byte table */
|
---|
| 1075 | && pb[1] == 0x05
|
---|
| 1076 | && pb[2] == 0x04
|
---|
| 1077 | && pb[3] == 0x03
|
---|
| 1078 | && pb[4] == 0x02
|
---|
| 1079 | && pb[5] == 0x01
|
---|
| 1080 | )
|
---|
[62120] | 1081 | || ( pb[0] == 0x00 /* bytes after apm_out_str_ */
|
---|
| 1082 | && pb[1] == 0x00
|
---|
| 1083 | && pb[2] == 0x00
|
---|
| 1084 | && pb[3] == 0x00
|
---|
| 1085 | && pb[4] == 0x00
|
---|
| 1086 | && pb[5] == 0x00
|
---|
| 1087 | && pb[6] == 0xe0
|
---|
| 1088 | && pb[7] == 0xa0
|
---|
| 1089 | && pb[8] == 0xe2
|
---|
[67789] | 1090 | && pb[9] == 0xa0
|
---|
| 1091 | )
|
---|
[67771] | 1092 | || ( pb[0] == 0xf0 /* switch for apm_worker */
|
---|
| 1093 | && pb[1] == 0xa0
|
---|
| 1094 | && pb[2] == 0xf2
|
---|
| 1095 | && pb[3] == 0xa0
|
---|
| 1096 | && pb[4] == 0xf6
|
---|
[67789] | 1097 | && pb[5] == 0xa0
|
---|
| 1098 | )
|
---|
[62406] | 1099 | || ( pb[0] == 0xd4
|
---|
| 1100 | && pb[1] == 0xc6
|
---|
| 1101 | && pb[2] == 0xc5
|
---|
| 1102 | && pb[3] == 0xba
|
---|
| 1103 | && pb[4] == 0xb8
|
---|
[67789] | 1104 | && pb[5] == 0xb6
|
---|
| 1105 | )
|
---|
[67771] | 1106 | || ( pb[0] == 0xec /* _int15_function switch */
|
---|
[51062] | 1107 | && pb[1] == 0xe9
|
---|
| 1108 | && pb[2] == 0xd8
|
---|
| 1109 | && pb[3] == 0xc1
|
---|
| 1110 | && pb[4] == 0xc0
|
---|
[67789] | 1111 | && pb[5] == 0xbf
|
---|
| 1112 | )
|
---|
[51062] | 1113 | || ( pb[0] == 0x21 /* _int15_function32 switch */
|
---|
| 1114 | && pb[1] == 0x66
|
---|
| 1115 | && pb[2] == 0x43
|
---|
| 1116 | && pb[3] == 0x66
|
---|
[50167] | 1117 | && pb[4] == 0x66
|
---|
[67789] | 1118 | && pb[5] == 0x66
|
---|
| 1119 | )
|
---|
[67771] | 1120 | || ( pb[0] == 0xf0 /* int15_function_mouse switch */
|
---|
| 1121 | && pb[1] == 0x75
|
---|
| 1122 | && pb[2] == 0x66
|
---|
| 1123 | && pb[3] == 0x76
|
---|
| 1124 | && pb[4] == 0xe9
|
---|
[67789] | 1125 | && pb[5] == 0x76
|
---|
| 1126 | )
|
---|
[66146] | 1127 | || ( pb[0] == 0x60
|
---|
| 1128 | && pb[1] == 0xa0
|
---|
| 1129 | && pb[2] == 0x62
|
---|
| 1130 | && pb[3] == 0xa0
|
---|
| 1131 | && pb[4] == 0x66
|
---|
[67789] | 1132 | && pb[5] == 0xa0
|
---|
| 1133 | )
|
---|
[41496] | 1134 | || 0
|
---|
| 1135 | )
|
---|
| 1136 | return disByteData(uFlatAddr, cb);
|
---|
| 1137 | else
|
---|
| 1138 | {
|
---|
[99208] | 1139 | unsigned cbInstr;
|
---|
| 1140 | DISSTATE Dis;
|
---|
[101539] | 1141 | Dis.x86.ModRM.Bits.Mod = 3;
|
---|
[41675] | 1142 | int rc = DISInstrWithReader(uFlatAddr, fIs16Bit ? DISCPUMODE_16BIT : DISCPUMODE_32BIT,
|
---|
[99208] | 1143 | disReadOpcodeBytes, NULL, &Dis, &cbInstr);
|
---|
[41496] | 1144 | if ( RT_SUCCESS(rc)
|
---|
[42051] | 1145 | && cbInstr <= cb
|
---|
[99208] | 1146 | && Dis.pCurInstr
|
---|
| 1147 | && Dis.pCurInstr->uOpcode != OP_INVALID
|
---|
| 1148 | && Dis.pCurInstr->uOpcode != OP_ILLUD2
|
---|
[101539] | 1149 | && ( !(Dis.x86.fPrefix & DISPREFIX_ADDRSIZE)
|
---|
[99208] | 1150 | || disAccessesMemory(&Dis)))
|
---|
[41496] | 1151 | {
|
---|
| 1152 | char szTmp[4096];
|
---|
[99208] | 1153 | size_t cch = DISFormatYasmEx(&Dis, szTmp, sizeof(szTmp),
|
---|
[41496] | 1154 | DIS_FMT_FLAGS_STRICT
|
---|
| 1155 | | DIS_FMT_FLAGS_BYTES_RIGHT | DIS_FMT_FLAGS_BYTES_COMMENT | DIS_FMT_FLAGS_BYTES_SPACED,
|
---|
| 1156 | NULL, NULL);
|
---|
[99208] | 1157 | cch = disHandleYasmDifferences(&Dis, uFlatAddr, cbInstr, szTmp, sizeof(szTmp), cch);
|
---|
[41496] | 1158 | Assert(cch < sizeof(szTmp));
|
---|
| 1159 |
|
---|
| 1160 | if (g_cVerbose > 1)
|
---|
| 1161 | {
|
---|
| 1162 | while (cch < 72)
|
---|
| 1163 | szTmp[cch++] = ' ';
|
---|
[74982] | 1164 |
|
---|
| 1165 | RTDBGLINE LineInfo = {0};
|
---|
| 1166 | RTINTPTR offLine = -1;
|
---|
| 1167 | int rcLine = RTDbgModLineByAddr(g_hSymMod, RTDBGSEGIDX_RVA, uFlatAddr - g_uBiosFlatBase, &offLine, &LineInfo);
|
---|
| 1168 | if (RT_SUCCESS(rcLine) && offLine == 0 && cch < sizeof(szTmp) - 16)
|
---|
| 1169 | RTStrPrintf(&szTmp[cch], sizeof(szTmp) - cch, "; %#x %Rbn:%u",
|
---|
| 1170 | uFlatAddr, LineInfo.szFilename, LineInfo.uLineNo);
|
---|
| 1171 | else
|
---|
| 1172 | RTStrPrintf(&szTmp[cch], sizeof(szTmp) - cch, "; %#x", uFlatAddr);
|
---|
[41496] | 1173 | }
|
---|
| 1174 |
|
---|
| 1175 | if (!outputPrintf(" %s\n", szTmp))
|
---|
| 1176 | return false;
|
---|
| 1177 | cb -= cbInstr;
|
---|
| 1178 | pb += cbInstr;
|
---|
| 1179 | uFlatAddr += cbInstr;
|
---|
| 1180 | }
|
---|
| 1181 | else
|
---|
| 1182 | {
|
---|
| 1183 | if (!disByteData(uFlatAddr, 1))
|
---|
| 1184 | return false;
|
---|
| 1185 | cb--;
|
---|
| 1186 | pb++;
|
---|
| 1187 | uFlatAddr++;
|
---|
| 1188 | }
|
---|
| 1189 | }
|
---|
| 1190 | }
|
---|
| 1191 | return true;
|
---|
| 1192 | }
|
---|
| 1193 |
|
---|
| 1194 |
|
---|
[41489] | 1195 | static bool disCodeSegment(uint32_t iSeg)
|
---|
| 1196 | {
|
---|
[41496] | 1197 | uint32_t uFlatAddr = g_aSegs[iSeg].uFlatAddr;
|
---|
| 1198 | uint32_t cb = g_aSegs[iSeg].cb;
|
---|
| 1199 |
|
---|
| 1200 | while (cb > 0)
|
---|
| 1201 | {
|
---|
| 1202 | uint32_t off;
|
---|
| 1203 | RTDBGSYMBOL Sym;
|
---|
| 1204 | disGetNextSymbol(uFlatAddr, cb, &off, &Sym);
|
---|
| 1205 |
|
---|
| 1206 | if (off > 0)
|
---|
| 1207 | {
|
---|
| 1208 | if (!disByteData(uFlatAddr, off))
|
---|
| 1209 | return false;
|
---|
| 1210 | cb -= off;
|
---|
| 1211 | uFlatAddr += off;
|
---|
| 1212 | off = 0;
|
---|
| 1213 | if (!cb)
|
---|
| 1214 | break;
|
---|
| 1215 | }
|
---|
| 1216 |
|
---|
| 1217 | bool fRc;
|
---|
| 1218 | if (off == 0)
|
---|
| 1219 | {
|
---|
| 1220 | size_t cchName = strlen(Sym.szName);
|
---|
| 1221 | fRc = outputPrintf("%s: %*s; %#x LB %#x\n", Sym.szName, cchName < 41 - 2 ? cchName - 41 - 2 : 0, "", uFlatAddr, Sym.cb);
|
---|
| 1222 | if (!fRc)
|
---|
| 1223 | return false;
|
---|
| 1224 |
|
---|
| 1225 | if (disIsCodeAndAdjustSize(uFlatAddr, &Sym, &g_aSegs[iSeg]))
|
---|
| 1226 | fRc = disCode(uFlatAddr, Sym.cb, disIs16BitCode(Sym.szName));
|
---|
| 1227 | else
|
---|
| 1228 | fRc = disByteData(uFlatAddr, Sym.cb);
|
---|
| 1229 |
|
---|
| 1230 | uFlatAddr += Sym.cb;
|
---|
| 1231 | cb -= Sym.cb;
|
---|
| 1232 | }
|
---|
| 1233 | else
|
---|
| 1234 | {
|
---|
| 1235 | fRc = disByteData(uFlatAddr, cb);
|
---|
| 1236 | uFlatAddr += cb;
|
---|
| 1237 | cb = 0;
|
---|
| 1238 | }
|
---|
| 1239 | if (!fRc)
|
---|
| 1240 | return false;
|
---|
| 1241 | }
|
---|
| 1242 |
|
---|
| 1243 | return true;
|
---|
[41489] | 1244 | }
|
---|
| 1245 |
|
---|
| 1246 |
|
---|
| 1247 | static RTEXITCODE DisassembleBiosImage(void)
|
---|
| 1248 | {
|
---|
[41609] | 1249 | if (!disFileHeader())
|
---|
[41489] | 1250 | return RTEXITCODE_FAILURE;
|
---|
| 1251 |
|
---|
| 1252 | /*
|
---|
| 1253 | * Work the image segment by segment.
|
---|
| 1254 | */
|
---|
| 1255 | bool fRc = true;
|
---|
[42147] | 1256 | uint32_t uFlatAddr = g_uBiosFlatBase;
|
---|
[41489] | 1257 | for (uint32_t iSeg = 0; iSeg < g_cSegs && fRc; iSeg++)
|
---|
| 1258 | {
|
---|
| 1259 | /* Is there a gap between the segments? */
|
---|
| 1260 | if (uFlatAddr < g_aSegs[iSeg].uFlatAddr)
|
---|
| 1261 | {
|
---|
| 1262 | fRc = disCopySegmentGap(uFlatAddr, g_aSegs[iSeg].uFlatAddr - uFlatAddr);
|
---|
| 1263 | if (!fRc)
|
---|
| 1264 | break;
|
---|
| 1265 | uFlatAddr = g_aSegs[iSeg].uFlatAddr;
|
---|
| 1266 | }
|
---|
| 1267 | else if (uFlatAddr > g_aSegs[iSeg].uFlatAddr)
|
---|
| 1268 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "Overlapping segments: %u and %u; uFlatAddr=%#x\n", iSeg - 1, iSeg, uFlatAddr);
|
---|
| 1269 |
|
---|
| 1270 | /* Disassemble the segment. */
|
---|
| 1271 | fRc = outputPrintf("\n"
|
---|
[41496] | 1272 | "section %s progbits vstart=%#x align=1 ; size=%#x class=%s group=%s\n",
|
---|
[42147] | 1273 | g_aSegs[iSeg].szName, g_aSegs[iSeg].uFlatAddr - g_uBiosFlatBase,
|
---|
[41496] | 1274 | g_aSegs[iSeg].cb, g_aSegs[iSeg].szClass, g_aSegs[iSeg].szGroup);
|
---|
[41489] | 1275 | if (!fRc)
|
---|
| 1276 | return RTEXITCODE_FAILURE;
|
---|
[41496] | 1277 | if (!strcmp(g_aSegs[iSeg].szName, "CONST"))
|
---|
| 1278 | fRc = disConstSegment(iSeg);
|
---|
| 1279 | else if (!strcmp(g_aSegs[iSeg].szClass, "DATA"))
|
---|
[41489] | 1280 | fRc = disDataSegment(iSeg);
|
---|
| 1281 | else
|
---|
| 1282 | fRc = disCodeSegment(iSeg);
|
---|
| 1283 |
|
---|
| 1284 | /* Advance. */
|
---|
| 1285 | uFlatAddr += g_aSegs[iSeg].cb;
|
---|
| 1286 | }
|
---|
| 1287 |
|
---|
| 1288 | /* Final gap. */
|
---|
[42147] | 1289 | if (uFlatAddr < g_uBiosFlatBase + g_cbImg)
|
---|
[42548] | 1290 | fRc = disCopySegmentGap(uFlatAddr, (uint32_t)(g_uBiosFlatBase + g_cbImg - uFlatAddr));
|
---|
[42147] | 1291 | else if (uFlatAddr > g_uBiosFlatBase + g_cbImg)
|
---|
[41489] | 1292 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "Last segment spills beyond 1MB; uFlatAddr=%#x\n", uFlatAddr);
|
---|
| 1293 |
|
---|
| 1294 | if (!fRc)
|
---|
| 1295 | return RTEXITCODE_FAILURE;
|
---|
| 1296 | return RTEXITCODE_SUCCESS;
|
---|
| 1297 | }
|
---|
| 1298 |
|
---|
| 1299 |
|
---|
| 1300 |
|
---|
| 1301 | /**
|
---|
[41482] | 1302 | * Parses the symbol file for the BIOS.
|
---|
| 1303 | *
|
---|
| 1304 | * This is in ELF/DWARF format.
|
---|
| 1305 | *
|
---|
| 1306 | * @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE+msg.
|
---|
| 1307 | * @param pszBiosSym Path to the sym file.
|
---|
| 1308 | */
|
---|
| 1309 | static RTEXITCODE ParseSymFile(const char *pszBiosSym)
|
---|
[41316] | 1310 | {
|
---|
[74982] | 1311 | int rc = RTDbgModCreateFromImage(&g_hSymMod, pszBiosSym, "VBoxBios", RTLDRARCH_WHATEVER, NIL_RTDBGCFG);
|
---|
[41482] | 1312 | if (RT_FAILURE(rc))
|
---|
| 1313 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error opening '%s': %Rrc", pszBiosSym, rc);
|
---|
[74982] | 1314 |
|
---|
| 1315 | if (g_cVerbose > 0)
|
---|
| 1316 | {
|
---|
| 1317 | /* Show segments */
|
---|
| 1318 | RTDBGSEGIDX cSegs = RTDbgModSegmentCount(g_hSymMod);
|
---|
| 1319 | for (RTDBGSEGIDX iSeg = 0; iSeg < cSegs; iSeg++)
|
---|
| 1320 | {
|
---|
| 1321 | RTDBGSEGMENT SegInfo;
|
---|
| 1322 | rc = RTDbgModSegmentByIndex(g_hSymMod, iSeg, &SegInfo);
|
---|
| 1323 | if (RT_SUCCESS(rc))
|
---|
| 1324 | RTMsgInfo("Seg#%u: %05RX64 LB %04RX64 rva %04RX64 %s\n", iSeg, SegInfo.Address, SegInfo.cb, SegInfo.uRva, SegInfo.szName);
|
---|
| 1325 | else
|
---|
| 1326 | RTMsgInfo("Seg#%u: RTDbgModSegmentByIndex -> %Rrc\n", iSeg, rc);
|
---|
| 1327 |
|
---|
| 1328 | }
|
---|
| 1329 | }
|
---|
[41482] | 1330 | return RTEXITCODE_SUCCESS;
|
---|
| 1331 | }
|
---|
| 1332 |
|
---|
| 1333 |
|
---|
[41488] | 1334 | /**
|
---|
[41609] | 1335 | * Display an error with the mapfile name and current line, return false.
|
---|
| 1336 | *
|
---|
| 1337 | * @returns @c false.
|
---|
| 1338 | * @param pMap The map file handle.
|
---|
| 1339 | * @param pszFormat The format string.
|
---|
| 1340 | * @param ... Format arguments.
|
---|
| 1341 | */
|
---|
| 1342 | static bool mapError(PBIOSMAP pMap, const char *pszFormat, ...)
|
---|
| 1343 | {
|
---|
| 1344 | va_list va;
|
---|
| 1345 | va_start(va, pszFormat);
|
---|
[74982] | 1346 | RTMsgError("%s:%d: %N", pMap->pszMapFile, pMap->iLine, pszFormat, &va);
|
---|
[41609] | 1347 | va_end(va);
|
---|
| 1348 | return false;
|
---|
| 1349 | }
|
---|
| 1350 |
|
---|
| 1351 |
|
---|
| 1352 | /**
|
---|
[41488] | 1353 | * Reads a line from the file.
|
---|
| 1354 | *
|
---|
| 1355 | * @returns @c true on success, @c false + msg on failure, @c false on eof.
|
---|
| 1356 | * @param pMap The map file handle.
|
---|
| 1357 | */
|
---|
| 1358 | static bool mapReadLine(PBIOSMAP pMap)
|
---|
| 1359 | {
|
---|
| 1360 | int rc = RTStrmGetLine(pMap->hStrm, pMap->szLine, sizeof(pMap->szLine));
|
---|
| 1361 | if (RT_FAILURE(rc))
|
---|
| 1362 | {
|
---|
| 1363 | if (rc == VERR_EOF)
|
---|
| 1364 | {
|
---|
| 1365 | pMap->fEof = true;
|
---|
| 1366 | pMap->cch = 0;
|
---|
| 1367 | pMap->offNW = 0;
|
---|
| 1368 | pMap->szLine[0] = '\0';
|
---|
| 1369 | }
|
---|
| 1370 | else
|
---|
| 1371 | RTMsgError("%s:%d: Read error %Rrc", pMap->pszMapFile, pMap->iLine + 1, rc);
|
---|
| 1372 | return false;
|
---|
| 1373 | }
|
---|
| 1374 | pMap->iLine++;
|
---|
[41498] | 1375 | pMap->cch = (uint32_t)strlen(pMap->szLine);
|
---|
[41482] | 1376 |
|
---|
[41488] | 1377 | /* Check out leading white space. */
|
---|
| 1378 | if (!RT_C_IS_SPACE(pMap->szLine[0]))
|
---|
| 1379 | pMap->offNW = 0;
|
---|
| 1380 | else
|
---|
| 1381 | {
|
---|
| 1382 | uint32_t off = 1;
|
---|
| 1383 | while (RT_C_IS_SPACE(pMap->szLine[off]))
|
---|
| 1384 | off++;
|
---|
| 1385 | pMap->offNW = off;
|
---|
| 1386 | }
|
---|
[41482] | 1387 |
|
---|
[41488] | 1388 | return true;
|
---|
| 1389 | }
|
---|
| 1390 |
|
---|
| 1391 |
|
---|
| 1392 | /**
|
---|
| 1393 | * Checks if it is an empty line.
|
---|
| 1394 | * @returns @c true if empty, @c false if not.
|
---|
| 1395 | * @param pMap The map file handle.
|
---|
| 1396 | */
|
---|
| 1397 | static bool mapIsEmptyLine(PBIOSMAP pMap)
|
---|
[41482] | 1398 | {
|
---|
[41488] | 1399 | Assert(pMap->offNW <= pMap->cch);
|
---|
| 1400 | return pMap->offNW == pMap->cch;
|
---|
| 1401 | }
|
---|
| 1402 |
|
---|
| 1403 |
|
---|
| 1404 | /**
|
---|
| 1405 | * Reads ahead in the map file until a non-empty line or EOF is encountered.
|
---|
| 1406 | *
|
---|
| 1407 | * @returns @c true on success, @c false + msg on failure, @c false on eof.
|
---|
| 1408 | * @param pMap The map file handle.
|
---|
| 1409 | */
|
---|
| 1410 | static bool mapSkipEmptyLines(PBIOSMAP pMap)
|
---|
| 1411 | {
|
---|
[41316] | 1412 | for (;;)
|
---|
| 1413 | {
|
---|
[41488] | 1414 | if (!mapReadLine(pMap))
|
---|
[41482] | 1415 | return false;
|
---|
[41488] | 1416 | if (pMap->offNW < pMap->cch)
|
---|
[41482] | 1417 | return true;
|
---|
[41316] | 1418 | }
|
---|
| 1419 | }
|
---|
| 1420 |
|
---|
| 1421 |
|
---|
[41488] | 1422 | /**
|
---|
| 1423 | * Reads ahead in the map file until an empty line or EOF is encountered.
|
---|
| 1424 | *
|
---|
| 1425 | * @returns @c true on success, @c false + msg on failure, @c false on eof.
|
---|
| 1426 | * @param pMap The map file handle.
|
---|
| 1427 | */
|
---|
| 1428 | static bool mapSkipNonEmptyLines(PBIOSMAP pMap)
|
---|
[41316] | 1429 | {
|
---|
| 1430 | for (;;)
|
---|
| 1431 | {
|
---|
[41488] | 1432 | if (!mapReadLine(pMap))
|
---|
[41482] | 1433 | return false;
|
---|
[41488] | 1434 | if (pMap->offNW == pMap->cch)
|
---|
[41482] | 1435 | return true;
|
---|
[41316] | 1436 | }
|
---|
| 1437 | }
|
---|
| 1438 |
|
---|
[41482] | 1439 |
|
---|
[41488] | 1440 | /**
|
---|
| 1441 | * Strips the current line.
|
---|
| 1442 | *
|
---|
| 1443 | * The string length may change.
|
---|
| 1444 | *
|
---|
| 1445 | * @returns Pointer to the first non-space character.
|
---|
| 1446 | * @param pMap The map file handle.
|
---|
| 1447 | * @param pcch Where to return the length of the unstripped
|
---|
| 1448 | * part. Optional.
|
---|
| 1449 | */
|
---|
| 1450 | static char *mapStripCurrentLine(PBIOSMAP pMap, size_t *pcch)
|
---|
[41482] | 1451 | {
|
---|
[41488] | 1452 | char *psz = &pMap->szLine[pMap->offNW];
|
---|
| 1453 | char *pszEnd = &pMap->szLine[pMap->cch];
|
---|
| 1454 | while ( (uintptr_t)pszEnd > (uintptr_t)psz
|
---|
| 1455 | && RT_C_IS_SPACE(pszEnd[-1]))
|
---|
[41482] | 1456 | {
|
---|
[41488] | 1457 | *--pszEnd = '\0';
|
---|
| 1458 | pMap->cch--;
|
---|
[41482] | 1459 | }
|
---|
[41488] | 1460 | if (pcch)
|
---|
| 1461 | *pcch = pszEnd - psz;
|
---|
[41482] | 1462 | return psz;
|
---|
| 1463 | }
|
---|
| 1464 |
|
---|
| 1465 |
|
---|
[41488] | 1466 | /**
|
---|
| 1467 | * Reads a line from the file and right strips it.
|
---|
| 1468 | *
|
---|
| 1469 | * @returns Pointer to szLine on success, @c NULL + msg on failure, @c NULL on
|
---|
| 1470 | * EOF.
|
---|
| 1471 | * @param pMap The map file handle.
|
---|
| 1472 | * @param pcch Where to return the length of the unstripped
|
---|
| 1473 | * part. Optional.
|
---|
| 1474 | */
|
---|
| 1475 | static char *mapReadLineStripRight(PBIOSMAP pMap, size_t *pcch)
|
---|
| 1476 | {
|
---|
| 1477 | if (!mapReadLine(pMap))
|
---|
| 1478 | return NULL;
|
---|
| 1479 | mapStripCurrentLine(pMap, NULL);
|
---|
| 1480 | if (pcch)
|
---|
| 1481 | *pcch = pMap->cch;
|
---|
| 1482 | return pMap->szLine;
|
---|
| 1483 | }
|
---|
| 1484 |
|
---|
| 1485 |
|
---|
| 1486 | /**
|
---|
| 1487 | * mapReadLine() + mapStripCurrentLine().
|
---|
| 1488 | *
|
---|
| 1489 | * @returns Pointer to the first non-space character in the new line. NULL on
|
---|
| 1490 | * read error (bitched already) or end of file.
|
---|
| 1491 | * @param pMap The map file handle.
|
---|
| 1492 | * @param pcch Where to return the length of the unstripped
|
---|
| 1493 | * part. Optional.
|
---|
| 1494 | */
|
---|
| 1495 | static char *mapReadLineStrip(PBIOSMAP pMap, size_t *pcch)
|
---|
[41482] | 1496 | {
|
---|
[41488] | 1497 | if (!mapReadLine(pMap))
|
---|
[41482] | 1498 | return NULL;
|
---|
[41488] | 1499 | return mapStripCurrentLine(pMap, pcch);
|
---|
[41482] | 1500 | }
|
---|
| 1501 |
|
---|
| 1502 |
|
---|
[41488] | 1503 | /**
|
---|
| 1504 | * Parses a word, copying it into the supplied buffer, and skipping any spaces
|
---|
| 1505 | * following it.
|
---|
| 1506 | *
|
---|
| 1507 | * @returns @c true on success, @c false on failure.
|
---|
| 1508 | * @param ppszCursor Pointer to the cursor variable.
|
---|
| 1509 | * @param pszBuf The output buffer.
|
---|
| 1510 | * @param cbBuf The size of the output buffer.
|
---|
| 1511 | */
|
---|
| 1512 | static bool mapParseWord(char **ppszCursor, char *pszBuf, size_t cbBuf)
|
---|
[41482] | 1513 | {
|
---|
| 1514 | /* Check that we start on a non-blank. */
|
---|
| 1515 | char *pszStart = *ppszCursor;
|
---|
| 1516 | if (!*pszStart || RT_C_IS_SPACE(*pszStart))
|
---|
| 1517 | return false;
|
---|
| 1518 |
|
---|
| 1519 | /* Find the end of the word. */
|
---|
| 1520 | char *psz = pszStart + 1;
|
---|
| 1521 | while (*psz && !RT_C_IS_SPACE(*psz))
|
---|
| 1522 | psz++;
|
---|
| 1523 |
|
---|
| 1524 | /* Copy it. */
|
---|
| 1525 | size_t cchWord = (uintptr_t)psz - (uintptr_t)pszStart;
|
---|
| 1526 | if (cchWord >= cbBuf)
|
---|
| 1527 | return false;
|
---|
| 1528 | memcpy(pszBuf, pszStart, cchWord);
|
---|
| 1529 | pszBuf[cchWord] = '\0';
|
---|
| 1530 |
|
---|
| 1531 | /* Skip blanks following it. */
|
---|
| 1532 | while (RT_C_IS_SPACE(*psz))
|
---|
| 1533 | psz++;
|
---|
| 1534 | *ppszCursor = psz;
|
---|
| 1535 | return true;
|
---|
| 1536 | }
|
---|
| 1537 |
|
---|
| 1538 |
|
---|
[41488] | 1539 | /**
|
---|
| 1540 | * Parses an 16:16 address.
|
---|
| 1541 | *
|
---|
| 1542 | * @returns @c true on success, @c false on failure.
|
---|
| 1543 | * @param ppszCursor Pointer to the cursor variable.
|
---|
| 1544 | * @param pAddr Where to return the address.
|
---|
| 1545 | */
|
---|
| 1546 | static bool mapParseAddress(char **ppszCursor, PRTFAR16 pAddr)
|
---|
[41482] | 1547 | {
|
---|
| 1548 | char szWord[32];
|
---|
[41488] | 1549 | if (!mapParseWord(ppszCursor, szWord, sizeof(szWord)))
|
---|
[41482] | 1550 | return false;
|
---|
| 1551 | size_t cchWord = strlen(szWord);
|
---|
| 1552 |
|
---|
[41489] | 1553 | /* An address is at least 16:16 format. It may be 16:32. It may also be flagged. */
|
---|
| 1554 | size_t cchAddr = 4 + 1 + 4;
|
---|
| 1555 | if (cchWord < cchAddr)
|
---|
[41482] | 1556 | return false;
|
---|
| 1557 | if ( !RT_C_IS_XDIGIT(szWord[0])
|
---|
| 1558 | || !RT_C_IS_XDIGIT(szWord[1])
|
---|
| 1559 | || !RT_C_IS_XDIGIT(szWord[2])
|
---|
| 1560 | || !RT_C_IS_XDIGIT(szWord[3])
|
---|
| 1561 | || szWord[4] != ':'
|
---|
| 1562 | || !RT_C_IS_XDIGIT(szWord[5])
|
---|
| 1563 | || !RT_C_IS_XDIGIT(szWord[6])
|
---|
| 1564 | || !RT_C_IS_XDIGIT(szWord[7])
|
---|
| 1565 | || !RT_C_IS_XDIGIT(szWord[8])
|
---|
| 1566 | )
|
---|
| 1567 | return false;
|
---|
[41489] | 1568 | if ( cchWord > cchAddr
|
---|
| 1569 | && RT_C_IS_XDIGIT(szWord[9])
|
---|
| 1570 | && RT_C_IS_XDIGIT(szWord[10])
|
---|
| 1571 | && RT_C_IS_XDIGIT(szWord[11])
|
---|
| 1572 | && RT_C_IS_XDIGIT(szWord[12]))
|
---|
| 1573 | cchAddr += 4;
|
---|
[41482] | 1574 |
|
---|
[41489] | 1575 | /* Drop flag if present. */
|
---|
| 1576 | if (cchWord > cchAddr)
|
---|
[41482] | 1577 | {
|
---|
[42147] | 1578 | if (RT_C_IS_XDIGIT(szWord[cchAddr]))
|
---|
[41482] | 1579 | return false;
|
---|
[41489] | 1580 | szWord[cchAddr] = '\0';
|
---|
| 1581 | cchWord = cchAddr;
|
---|
[41482] | 1582 | }
|
---|
| 1583 |
|
---|
| 1584 | /* Convert it. */
|
---|
| 1585 | szWord[4] = '\0';
|
---|
[41489] | 1586 | int rc1 = RTStrToUInt16Full(szWord, 16, &pAddr->sel);
|
---|
| 1587 | if (rc1 != VINF_SUCCESS)
|
---|
| 1588 | return false;
|
---|
| 1589 |
|
---|
| 1590 | int rc2 = RTStrToUInt16Full(szWord + 5, 16, &pAddr->off);
|
---|
| 1591 | if (rc2 != VINF_SUCCESS)
|
---|
| 1592 | return false;
|
---|
[41482] | 1593 | return true;
|
---|
| 1594 | }
|
---|
| 1595 |
|
---|
| 1596 |
|
---|
[41488] | 1597 | /**
|
---|
| 1598 | * Parses a size.
|
---|
| 1599 | *
|
---|
| 1600 | * @returns @c true on success, @c false on failure.
|
---|
| 1601 | * @param ppszCursor Pointer to the cursor variable.
|
---|
| 1602 | * @param pcb Where to return the size.
|
---|
| 1603 | */
|
---|
| 1604 | static bool mapParseSize(char **ppszCursor, uint32_t *pcb)
|
---|
[41482] | 1605 | {
|
---|
| 1606 | char szWord[32];
|
---|
[41488] | 1607 | if (!mapParseWord(ppszCursor, szWord, sizeof(szWord)))
|
---|
[41482] | 1608 | return false;
|
---|
| 1609 | size_t cchWord = strlen(szWord);
|
---|
| 1610 | if (cchWord != 8)
|
---|
| 1611 | return false;
|
---|
| 1612 |
|
---|
| 1613 | int rc = RTStrToUInt32Full(szWord, 16, pcb);
|
---|
| 1614 | if (rc != VINF_SUCCESS)
|
---|
| 1615 | return false;
|
---|
| 1616 | return true;
|
---|
| 1617 | }
|
---|
| 1618 |
|
---|
| 1619 |
|
---|
| 1620 | /**
|
---|
| 1621 | * Parses a section box and the following column header.
|
---|
| 1622 | *
|
---|
[41488] | 1623 | * @returns @c true on success, @c false + msg on failure, @c false on eof.
|
---|
| 1624 | * @param pMap Map file handle.
|
---|
[41482] | 1625 | * @param pszSectionNm The expected section name.
|
---|
| 1626 | * @param cColumns The number of columns.
|
---|
| 1627 | * @param ... The column names.
|
---|
| 1628 | */
|
---|
[41488] | 1629 | static bool mapSkipThruColumnHeadings(PBIOSMAP pMap, const char *pszSectionNm, uint32_t cColumns, ...)
|
---|
[41482] | 1630 | {
|
---|
[41488] | 1631 | if ( mapIsEmptyLine(pMap)
|
---|
| 1632 | && !mapSkipEmptyLines(pMap))
|
---|
| 1633 | return false;
|
---|
[41482] | 1634 |
|
---|
| 1635 | /* +------------+ */
|
---|
[41488] | 1636 | size_t cch;
|
---|
| 1637 | char *psz = mapStripCurrentLine(pMap, &cch);
|
---|
[41482] | 1638 | if (!psz)
|
---|
[41488] | 1639 | return false;
|
---|
[41482] | 1640 |
|
---|
| 1641 | if ( psz[0] != '+'
|
---|
| 1642 | || psz[1] != '-'
|
---|
| 1643 | || psz[2] != '-'
|
---|
| 1644 | || psz[3] != '-'
|
---|
| 1645 | || psz[cch - 4] != '-'
|
---|
| 1646 | || psz[cch - 3] != '-'
|
---|
| 1647 | || psz[cch - 2] != '-'
|
---|
| 1648 | || psz[cch - 1] != '+'
|
---|
| 1649 | )
|
---|
[41488] | 1650 | {
|
---|
| 1651 | RTMsgError("%s:%d: Expected section box: +-----...", pMap->pszMapFile, pMap->iLine);
|
---|
| 1652 | return false;
|
---|
| 1653 | }
|
---|
[41482] | 1654 |
|
---|
| 1655 | /* | pszSectionNm | */
|
---|
[41488] | 1656 | psz = mapReadLineStrip(pMap, &cch);
|
---|
[41482] | 1657 | if (!psz)
|
---|
[41488] | 1658 | return false;
|
---|
[41482] | 1659 |
|
---|
| 1660 | size_t cchSectionNm = strlen(pszSectionNm);
|
---|
| 1661 | if ( psz[0] != '|'
|
---|
| 1662 | || psz[1] != ' '
|
---|
| 1663 | || psz[2] != ' '
|
---|
| 1664 | || psz[3] != ' '
|
---|
| 1665 | || psz[cch - 4] != ' '
|
---|
| 1666 | || psz[cch - 3] != ' '
|
---|
| 1667 | || psz[cch - 2] != ' '
|
---|
| 1668 | || psz[cch - 1] != '|'
|
---|
| 1669 | || cch != 1 + 3 + cchSectionNm + 3 + 1
|
---|
| 1670 | || strncmp(&psz[4], pszSectionNm, cchSectionNm)
|
---|
| 1671 | )
|
---|
[41488] | 1672 | {
|
---|
| 1673 | RTMsgError("%s:%d: Expected section box: | %s |", pMap->pszMapFile, pMap->iLine, pszSectionNm);
|
---|
| 1674 | return false;
|
---|
| 1675 | }
|
---|
[41482] | 1676 |
|
---|
| 1677 | /* +------------+ */
|
---|
[41488] | 1678 | psz = mapReadLineStrip(pMap, &cch);
|
---|
[41482] | 1679 | if (!psz)
|
---|
[41488] | 1680 | return false;
|
---|
[41482] | 1681 | if ( psz[0] != '+'
|
---|
| 1682 | || psz[1] != '-'
|
---|
| 1683 | || psz[2] != '-'
|
---|
| 1684 | || psz[3] != '-'
|
---|
| 1685 | || psz[cch - 4] != '-'
|
---|
| 1686 | || psz[cch - 3] != '-'
|
---|
| 1687 | || psz[cch - 2] != '-'
|
---|
| 1688 | || psz[cch - 1] != '+'
|
---|
| 1689 | )
|
---|
[41498] | 1690 | {
|
---|
| 1691 | RTMsgError("%s:%d: Expected section box: +-----...", pMap->pszMapFile, pMap->iLine);
|
---|
| 1692 | return false;
|
---|
| 1693 | }
|
---|
[41482] | 1694 |
|
---|
| 1695 | /* There may be a few lines describing the table notation now, surrounded by blank lines. */
|
---|
| 1696 | do
|
---|
| 1697 | {
|
---|
[41488] | 1698 | psz = mapReadLineStripRight(pMap, &cch);
|
---|
[41482] | 1699 | if (!psz)
|
---|
[41488] | 1700 | return false;
|
---|
[41482] | 1701 | } while ( *psz == '\0'
|
---|
| 1702 | || ( !RT_C_IS_SPACE(psz[0])
|
---|
| 1703 | && RT_C_IS_SPACE(psz[1])
|
---|
| 1704 | && psz[2] == '='
|
---|
| 1705 | && RT_C_IS_SPACE(psz[3]))
|
---|
| 1706 | );
|
---|
| 1707 |
|
---|
| 1708 | /* Should have the column heading now. */
|
---|
| 1709 | va_list va;
|
---|
| 1710 | va_start(va, cColumns);
|
---|
| 1711 | for (uint32_t i = 0; i < cColumns; i++)
|
---|
| 1712 | {
|
---|
| 1713 | const char *pszColumn = va_arg(va, const char *);
|
---|
| 1714 | size_t cchColumn = strlen(pszColumn);
|
---|
| 1715 | if ( strncmp(psz, pszColumn, cchColumn)
|
---|
| 1716 | || ( psz[cchColumn] != '\0'
|
---|
| 1717 | && !RT_C_IS_SPACE(psz[cchColumn])))
|
---|
| 1718 | {
|
---|
| 1719 | va_end(va);
|
---|
[41488] | 1720 | RTMsgError("%s:%d: Expected column '%s' found '%s'", pMap->pszMapFile, pMap->iLine, pszColumn, psz);
|
---|
| 1721 | return false;
|
---|
[41482] | 1722 | }
|
---|
| 1723 | psz += cchColumn;
|
---|
| 1724 | while (RT_C_IS_SPACE(*psz))
|
---|
| 1725 | psz++;
|
---|
| 1726 | }
|
---|
| 1727 | va_end(va);
|
---|
| 1728 |
|
---|
| 1729 | /* The next line is the underlining. */
|
---|
[41488] | 1730 | psz = mapReadLineStripRight(pMap, &cch);
|
---|
[41482] | 1731 | if (!psz)
|
---|
[41488] | 1732 | return false;
|
---|
[41482] | 1733 | if (*psz != '=' || psz[cch - 1] != '=')
|
---|
[41488] | 1734 | {
|
---|
| 1735 | RTMsgError("%s:%d: Expected column header underlining", pMap->pszMapFile, pMap->iLine);
|
---|
| 1736 | return false;
|
---|
| 1737 | }
|
---|
[41482] | 1738 |
|
---|
| 1739 | /* Skip one blank line. */
|
---|
[41488] | 1740 | psz = mapReadLineStripRight(pMap, &cch);
|
---|
[41482] | 1741 | if (!psz)
|
---|
[41488] | 1742 | return false;
|
---|
[41482] | 1743 | if (*psz)
|
---|
[41488] | 1744 | {
|
---|
| 1745 | RTMsgError("%s:%d: Expected blank line beneath the column headers", pMap->pszMapFile, pMap->iLine);
|
---|
| 1746 | return false;
|
---|
| 1747 | }
|
---|
[41482] | 1748 |
|
---|
[41488] | 1749 | return true;
|
---|
[41482] | 1750 | }
|
---|
| 1751 |
|
---|
| 1752 |
|
---|
[41488] | 1753 | /**
|
---|
| 1754 | * Parses a segment list.
|
---|
| 1755 | *
|
---|
| 1756 | * @returns @c true on success, @c false + msg on failure, @c false on eof.
|
---|
| 1757 | * @param pMap The map file handle.
|
---|
| 1758 | */
|
---|
| 1759 | static bool mapParseSegments(PBIOSMAP pMap)
|
---|
[41482] | 1760 | {
|
---|
| 1761 | for (;;)
|
---|
| 1762 | {
|
---|
[41488] | 1763 | if (!mapReadLineStripRight(pMap, NULL))
|
---|
| 1764 | return false;
|
---|
[41482] | 1765 |
|
---|
| 1766 | /* The end? The line should be empty. Expectes segment name to not
|
---|
| 1767 | start with a space. */
|
---|
[41488] | 1768 | if (!pMap->szLine[0] || RT_C_IS_SPACE(pMap->szLine[0]))
|
---|
[41482] | 1769 | {
|
---|
[41488] | 1770 | if (!pMap->szLine[0])
|
---|
| 1771 | return true;
|
---|
| 1772 | RTMsgError("%s:%u: Malformed segment line", pMap->pszMapFile, pMap->iLine);
|
---|
| 1773 | return false;
|
---|
[41482] | 1774 | }
|
---|
| 1775 |
|
---|
| 1776 | /* Parse the segment line. */
|
---|
| 1777 | uint32_t iSeg = g_cSegs;
|
---|
| 1778 | if (iSeg >= RT_ELEMENTS(g_aSegs))
|
---|
[41498] | 1779 | {
|
---|
| 1780 | RTMsgError("%s:%u: Too many segments", pMap->pszMapFile, pMap->iLine);
|
---|
| 1781 | return false;
|
---|
| 1782 | }
|
---|
[41482] | 1783 |
|
---|
[41488] | 1784 | char *psz = pMap->szLine;
|
---|
| 1785 | if (!mapParseWord(&psz, g_aSegs[iSeg].szName, sizeof(g_aSegs[iSeg].szName)))
|
---|
| 1786 | RTMsgError("%s:%u: Segment name parser error", pMap->pszMapFile, pMap->iLine);
|
---|
| 1787 | else if (!mapParseWord(&psz, g_aSegs[iSeg].szClass, sizeof(g_aSegs[iSeg].szClass)))
|
---|
| 1788 | RTMsgError("%s:%u: Segment class parser error", pMap->pszMapFile, pMap->iLine);
|
---|
| 1789 | else if (!mapParseWord(&psz, g_aSegs[iSeg].szGroup, sizeof(g_aSegs[iSeg].szGroup)))
|
---|
| 1790 | RTMsgError("%s:%u: Segment group parser error", pMap->pszMapFile, pMap->iLine);
|
---|
| 1791 | else if (!mapParseAddress(&psz, &g_aSegs[iSeg].Address))
|
---|
| 1792 | RTMsgError("%s:%u: Segment address parser error", pMap->pszMapFile, pMap->iLine);
|
---|
| 1793 | else if (!mapParseSize(&psz, &g_aSegs[iSeg].cb))
|
---|
| 1794 | RTMsgError("%s:%u: Segment size parser error", pMap->pszMapFile, pMap->iLine);
|
---|
| 1795 | else
|
---|
| 1796 | {
|
---|
| 1797 | g_aSegs[iSeg].uFlatAddr = ((uint32_t)g_aSegs[iSeg].Address.sel << 4) + g_aSegs[iSeg].Address.off;
|
---|
| 1798 | g_cSegs++;
|
---|
| 1799 | if (g_cVerbose > 2)
|
---|
| 1800 | RTStrmPrintf(g_pStdErr, "read segment at %08x / %04x:%04x LB %04x %s / %s / %s\n",
|
---|
| 1801 | g_aSegs[iSeg].uFlatAddr,
|
---|
| 1802 | g_aSegs[iSeg].Address.sel,
|
---|
| 1803 | g_aSegs[iSeg].Address.off,
|
---|
| 1804 | g_aSegs[iSeg].cb,
|
---|
| 1805 | g_aSegs[iSeg].szName,
|
---|
| 1806 | g_aSegs[iSeg].szClass,
|
---|
| 1807 | g_aSegs[iSeg].szGroup);
|
---|
[41482] | 1808 |
|
---|
[41488] | 1809 | while (RT_C_IS_SPACE(*psz))
|
---|
| 1810 | psz++;
|
---|
| 1811 | if (!*psz)
|
---|
| 1812 | continue;
|
---|
| 1813 | RTMsgError("%s:%u: Junk at end of line", pMap->pszMapFile, pMap->iLine);
|
---|
| 1814 | }
|
---|
| 1815 | return false;
|
---|
| 1816 | }
|
---|
| 1817 | }
|
---|
[41482] | 1818 |
|
---|
| 1819 |
|
---|
[41488] | 1820 | /**
|
---|
[41489] | 1821 | * Sorts the segment array by flat address and adds them to the debug module.
|
---|
| 1822 | *
|
---|
| 1823 | * @returns @c true on success, @c false + msg on failure, @c false on eof.
|
---|
[41488] | 1824 | */
|
---|
[41489] | 1825 | static bool mapSortAndAddSegments(void)
|
---|
[41488] | 1826 | {
|
---|
[41489] | 1827 | for (uint32_t i = 0; i < g_cSegs; i++)
|
---|
[41488] | 1828 | {
|
---|
| 1829 | for (uint32_t j = i + 1; j < g_cSegs; j++)
|
---|
| 1830 | if (g_aSegs[j].uFlatAddr < g_aSegs[i].uFlatAddr)
|
---|
| 1831 | {
|
---|
| 1832 | BIOSSEG Tmp = g_aSegs[i];
|
---|
| 1833 | g_aSegs[i] = g_aSegs[j];
|
---|
| 1834 | g_aSegs[j] = Tmp;
|
---|
| 1835 | }
|
---|
[74982] | 1836 | g_aSegs[i].uRva = g_aSegs[i].uFlatAddr - g_aSegs[0].uFlatAddr;
|
---|
| 1837 |
|
---|
[41488] | 1838 | if (g_cVerbose > 0)
|
---|
[74982] | 1839 | RTStrmPrintf(g_pStdErr, "segment at %08x / %04x / %04x:%04x LB %04x %s / %s / %s\n",
|
---|
[41488] | 1840 | g_aSegs[i].uFlatAddr,
|
---|
[74982] | 1841 | g_aSegs[i].uRva,
|
---|
[41488] | 1842 | g_aSegs[i].Address.sel,
|
---|
| 1843 | g_aSegs[i].Address.off,
|
---|
| 1844 | g_aSegs[i].cb,
|
---|
| 1845 | g_aSegs[i].szName,
|
---|
| 1846 | g_aSegs[i].szClass,
|
---|
| 1847 | g_aSegs[i].szGroup);
|
---|
[41489] | 1848 |
|
---|
| 1849 | RTDBGSEGIDX idx = i;
|
---|
| 1850 | int rc = RTDbgModSegmentAdd(g_hMapMod, g_aSegs[i].uFlatAddr, g_aSegs[i].cb, g_aSegs[i].szName, 0 /*fFlags*/, &idx);
|
---|
| 1851 | if (RT_FAILURE(rc))
|
---|
| 1852 | {
|
---|
| 1853 | RTMsgError("RTDbgModSegmentAdd failed on %s: %Rrc", g_aSegs[i].szName);
|
---|
| 1854 | return false;
|
---|
| 1855 | }
|
---|
[41482] | 1856 | }
|
---|
[41489] | 1857 | return true;
|
---|
[41482] | 1858 | }
|
---|
| 1859 |
|
---|
| 1860 |
|
---|
[41489] | 1861 | /**
|
---|
| 1862 | * Parses a segment list.
|
---|
| 1863 | *
|
---|
| 1864 | * @returns @c true on success, @c false + msg on failure, @c false on eof.
|
---|
| 1865 | * @param pMap The map file handle.
|
---|
| 1866 | */
|
---|
| 1867 | static bool mapParseSymbols(PBIOSMAP pMap)
|
---|
| 1868 | {
|
---|
| 1869 | for (;;)
|
---|
| 1870 | {
|
---|
| 1871 | if (!mapReadLineStripRight(pMap, NULL))
|
---|
| 1872 | return false;
|
---|
[41488] | 1873 |
|
---|
[41489] | 1874 | /* The end? The line should be empty. Expectes segment name to not
|
---|
| 1875 | start with a space. */
|
---|
| 1876 | if (!pMap->szLine[0] || RT_C_IS_SPACE(pMap->szLine[0]))
|
---|
| 1877 | {
|
---|
| 1878 | if (!pMap->szLine[0])
|
---|
| 1879 | return true;
|
---|
[41609] | 1880 | return mapError(pMap, "Malformed symbol line");
|
---|
[41489] | 1881 | }
|
---|
| 1882 |
|
---|
| 1883 | if (!strncmp(pMap->szLine, RT_STR_TUPLE("Module: ")))
|
---|
[41609] | 1884 | {
|
---|
| 1885 | /* Parse the module line. */
|
---|
| 1886 | size_t offObj = sizeof("Module: ") - 1;
|
---|
| 1887 | while (RT_C_IS_SPACE(pMap->szLine[offObj]))
|
---|
| 1888 | offObj++;
|
---|
| 1889 | size_t offSrc = offObj;
|
---|
| 1890 | char ch;
|
---|
| 1891 | while ((ch = pMap->szLine[offSrc]) != '(' && ch != '\0')
|
---|
| 1892 | offSrc++;
|
---|
| 1893 | size_t cchObj = offSrc - offObj;
|
---|
[41489] | 1894 |
|
---|
[41609] | 1895 | offSrc++;
|
---|
| 1896 | size_t cchSrc = offSrc;
|
---|
| 1897 | while ((ch = pMap->szLine[cchSrc]) != ')' && ch != '\0')
|
---|
| 1898 | cchSrc++;
|
---|
| 1899 | cchSrc -= offSrc;
|
---|
| 1900 | if (ch != ')')
|
---|
| 1901 | return mapError(pMap, "Symbol/Module line parse error");
|
---|
| 1902 |
|
---|
| 1903 | PBIOSOBJFILE pObjFile = (PBIOSOBJFILE)RTMemAllocZ(sizeof(*pObjFile) + cchSrc + cchObj + 2);
|
---|
| 1904 | if (!pObjFile)
|
---|
| 1905 | return mapError(pMap, "Out of memory");
|
---|
| 1906 | char *psz = (char *)(pObjFile + 1);
|
---|
| 1907 | pObjFile->pszObject = psz;
|
---|
| 1908 | memcpy(psz, &pMap->szLine[offObj], cchObj);
|
---|
| 1909 | psz += cchObj;
|
---|
| 1910 | *psz++ = '\0';
|
---|
| 1911 | pObjFile->pszSource = psz;
|
---|
| 1912 | memcpy(psz, &pMap->szLine[offSrc], cchSrc);
|
---|
| 1913 | psz[cchSrc] = '\0';
|
---|
| 1914 | RTListAppend(&g_ObjList, &pObjFile->Node);
|
---|
| 1915 | }
|
---|
[41489] | 1916 | else
|
---|
| 1917 | {
|
---|
[41609] | 1918 | /* Parse the segment line. */
|
---|
| 1919 | RTFAR16 Addr;
|
---|
| 1920 | char *psz = pMap->szLine;
|
---|
| 1921 | if (!mapParseAddress(&psz, &Addr))
|
---|
| 1922 | return mapError(pMap, "Symbol address parser error");
|
---|
[41489] | 1923 |
|
---|
[41609] | 1924 | char szName[4096];
|
---|
| 1925 | if (!mapParseWord(&psz, szName, sizeof(szName)))
|
---|
| 1926 | return mapError(pMap, "Symbol name parser error");
|
---|
| 1927 |
|
---|
| 1928 | uint32_t uFlatAddr = ((uint32_t)Addr.sel << 4) + Addr.off;
|
---|
| 1929 | if (uFlatAddr != 0)
|
---|
[41489] | 1930 | {
|
---|
[41609] | 1931 | int rc = RTDbgModSymbolAdd(g_hMapMod, szName, RTDBGSEGIDX_RVA, uFlatAddr, 0 /*cb*/, 0 /*fFlags*/, NULL);
|
---|
| 1932 | if (RT_FAILURE(rc) && rc != VERR_DBG_ADDRESS_CONFLICT)
|
---|
[42147] | 1933 | {
|
---|
| 1934 | /* HACK ALERT! For dealing with lables at segment size. */ /** @todo fix end labels. */
|
---|
| 1935 | rc = RTDbgModSymbolAdd(g_hMapMod, szName, RTDBGSEGIDX_RVA, uFlatAddr - 1, 0 /*cb*/, 0 /*fFlags*/, NULL);
|
---|
| 1936 | if (RT_FAILURE(rc) && rc != VERR_DBG_ADDRESS_CONFLICT)
|
---|
| 1937 | return mapError(pMap, "RTDbgModSymbolAdd failed: %Rrc", rc);
|
---|
| 1938 | }
|
---|
[41489] | 1939 |
|
---|
| 1940 | if (g_cVerbose > 2)
|
---|
| 1941 | RTStrmPrintf(g_pStdErr, "read symbol - %08x %s\n", uFlatAddr, szName);
|
---|
| 1942 | while (RT_C_IS_SPACE(*psz))
|
---|
| 1943 | psz++;
|
---|
[41609] | 1944 | if (*psz)
|
---|
| 1945 | return mapError(pMap, "Junk at end of line");
|
---|
[41489] | 1946 | }
|
---|
[41609] | 1947 |
|
---|
[41489] | 1948 | }
|
---|
| 1949 | }
|
---|
| 1950 | }
|
---|
| 1951 |
|
---|
| 1952 |
|
---|
[41488] | 1953 | /**
|
---|
| 1954 | * Parses the given map file.
|
---|
| 1955 | *
|
---|
| 1956 | * @returns RTEXITCODE_SUCCESS and lots of globals, or RTEXITCODE_FAILURE and a
|
---|
| 1957 | * error message.
|
---|
| 1958 | * @param pMap The map file handle.
|
---|
| 1959 | */
|
---|
| 1960 | static RTEXITCODE mapParseFile(PBIOSMAP pMap)
|
---|
[41316] | 1961 | {
|
---|
[41489] | 1962 | int rc = RTDbgModCreate(&g_hMapMod, "VBoxBios", 0 /*cbSeg*/, 0 /*fFlags*/);
|
---|
| 1963 | if (RT_FAILURE(rc))
|
---|
| 1964 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTDbgModCreate failed: %Rrc", rc);
|
---|
[41316] | 1965 |
|
---|
| 1966 | /*
|
---|
| 1967 | * Read the header.
|
---|
| 1968 | */
|
---|
[41488] | 1969 | if (!mapReadLine(pMap))
|
---|
[41482] | 1970 | return RTEXITCODE_FAILURE;
|
---|
[41488] | 1971 | if (strncmp(pMap->szLine, RT_STR_TUPLE("Open Watcom Linker Version")))
|
---|
| 1972 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "Unexpected map-file header: '%s'", pMap->szLine);
|
---|
| 1973 | if ( !mapSkipNonEmptyLines(pMap)
|
---|
| 1974 | || !mapSkipEmptyLines(pMap))
|
---|
| 1975 | return RTEXITCODE_FAILURE;
|
---|
[41316] | 1976 |
|
---|
[41482] | 1977 | /*
|
---|
| 1978 | * Skip groups.
|
---|
| 1979 | */
|
---|
[41488] | 1980 | if (!mapSkipThruColumnHeadings(pMap, "Groups", 3, "Group", "Address", "Size", NULL))
|
---|
[41482] | 1981 | return RTEXITCODE_FAILURE;
|
---|
[41488] | 1982 | if (!mapSkipNonEmptyLines(pMap))
|
---|
[41482] | 1983 | return RTEXITCODE_FAILURE;
|
---|
[41316] | 1984 |
|
---|
[41482] | 1985 | /*
|
---|
| 1986 | * Parse segments.
|
---|
| 1987 | */
|
---|
[41488] | 1988 | if (!mapSkipThruColumnHeadings(pMap, "Segments", 5, "Segment", "Class", "Group", "Address", "Size"))
|
---|
[41482] | 1989 | return RTEXITCODE_FAILURE;
|
---|
[41488] | 1990 | if (!mapParseSegments(pMap))
|
---|
| 1991 | return RTEXITCODE_FAILURE;
|
---|
[41489] | 1992 | if (!mapSortAndAddSegments())
|
---|
| 1993 | return RTEXITCODE_FAILURE;
|
---|
[41316] | 1994 |
|
---|
[41489] | 1995 | /*
|
---|
| 1996 | * Parse symbols.
|
---|
| 1997 | */
|
---|
| 1998 | if (!mapSkipThruColumnHeadings(pMap, "Memory Map", 2, "Address", "Symbol"))
|
---|
| 1999 | return RTEXITCODE_FAILURE;
|
---|
| 2000 | if (!mapParseSymbols(pMap))
|
---|
| 2001 | return RTEXITCODE_FAILURE;
|
---|
[41482] | 2002 |
|
---|
[41489] | 2003 | /* Ignore the rest of the file. */
|
---|
| 2004 | return RTEXITCODE_SUCCESS;
|
---|
[41316] | 2005 | }
|
---|
| 2006 |
|
---|
| 2007 |
|
---|
| 2008 | /**
|
---|
| 2009 | * Parses the linker map file for the BIOS.
|
---|
| 2010 | *
|
---|
| 2011 | * This is generated by the Watcom linker.
|
---|
| 2012 | *
|
---|
| 2013 | * @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE+msg.
|
---|
| 2014 | * @param pszBiosMap Path to the map file.
|
---|
| 2015 | */
|
---|
| 2016 | static RTEXITCODE ParseMapFile(const char *pszBiosMap)
|
---|
| 2017 | {
|
---|
[41483] | 2018 | BIOSMAP Map;
|
---|
| 2019 | Map.pszMapFile = pszBiosMap;
|
---|
| 2020 | Map.hStrm = NULL;
|
---|
| 2021 | Map.iLine = 0;
|
---|
[41488] | 2022 | Map.fEof = false;
|
---|
[41483] | 2023 | Map.cch = 0;
|
---|
| 2024 | Map.offNW = 0;
|
---|
[41488] | 2025 | int rc = RTStrmOpen(pszBiosMap, "r", &Map.hStrm);
|
---|
[41316] | 2026 | if (RT_FAILURE(rc))
|
---|
| 2027 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error opening '%s': %Rrc", pszBiosMap, rc);
|
---|
[41488] | 2028 | RTEXITCODE rcExit = mapParseFile(&Map);
|
---|
[41483] | 2029 | RTStrmClose(Map.hStrm);
|
---|
[41316] | 2030 | return rcExit;
|
---|
| 2031 | }
|
---|
| 2032 |
|
---|
| 2033 |
|
---|
| 2034 | /**
|
---|
| 2035 | * Reads the BIOS image into memory (g_pbImg and g_cbImg).
|
---|
| 2036 | *
|
---|
| 2037 | * @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE+msg.
|
---|
| 2038 | * @param pszBiosImg Path to the image file.
|
---|
| 2039 | */
|
---|
| 2040 | static RTEXITCODE ReadBiosImage(const char *pszBiosImg)
|
---|
| 2041 | {
|
---|
| 2042 | void *pvImg;
|
---|
| 2043 | size_t cbImg;
|
---|
| 2044 | int rc = RTFileReadAll(pszBiosImg, &pvImg, &cbImg);
|
---|
| 2045 | if (RT_FAILURE(rc))
|
---|
| 2046 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "Error reading '%s': %Rrc", pszBiosImg, rc);
|
---|
[42147] | 2047 |
|
---|
| 2048 | size_t cbImgExpect;
|
---|
| 2049 | switch (g_enmBiosType)
|
---|
[41316] | 2050 | {
|
---|
[42147] | 2051 | case kBiosType_System: cbImgExpect = _64K; break;
|
---|
| 2052 | case kBiosType_Vga: cbImgExpect = _32K; break;
|
---|
| 2053 | default: cbImgExpect = 0; break;
|
---|
| 2054 | }
|
---|
| 2055 | if (cbImg != cbImgExpect)
|
---|
| 2056 | {
|
---|
[41316] | 2057 | RTFileReadAllFree(pvImg, cbImg);
|
---|
[42147] | 2058 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "The BIOS image %u bytes intead of %u bytes", cbImg, cbImgExpect);
|
---|
[41316] | 2059 | }
|
---|
| 2060 |
|
---|
| 2061 | g_pbImg = (uint8_t *)pvImg;
|
---|
| 2062 | g_cbImg = cbImg;
|
---|
| 2063 | return RTEXITCODE_SUCCESS;
|
---|
| 2064 | }
|
---|
| 2065 |
|
---|
| 2066 |
|
---|
[41088] | 2067 | int main(int argc, char **argv)
|
---|
| 2068 | {
|
---|
| 2069 | int rc = RTR3InitExe(argc, &argv, 0);
|
---|
| 2070 | if (RT_FAILURE(rc))
|
---|
| 2071 | return RTMsgInitFailure(rc);
|
---|
| 2072 |
|
---|
[41609] | 2073 | RTListInit(&g_ObjList);
|
---|
| 2074 |
|
---|
[41316] | 2075 | /*
|
---|
| 2076 | * Option config.
|
---|
| 2077 | */
|
---|
| 2078 | static RTGETOPTDEF const s_aOpts[] =
|
---|
| 2079 | {
|
---|
| 2080 | { "--bios-image", 'i', RTGETOPT_REQ_STRING },
|
---|
| 2081 | { "--bios-map", 'm', RTGETOPT_REQ_STRING },
|
---|
[41482] | 2082 | { "--bios-sym", 's', RTGETOPT_REQ_STRING },
|
---|
[42147] | 2083 | { "--bios-type", 't', RTGETOPT_REQ_STRING },
|
---|
[41316] | 2084 | { "--output", 'o', RTGETOPT_REQ_STRING },
|
---|
| 2085 | { "--verbose", 'v', RTGETOPT_REQ_NOTHING },
|
---|
| 2086 | { "--quiet", 'q', RTGETOPT_REQ_NOTHING },
|
---|
| 2087 | };
|
---|
| 2088 |
|
---|
| 2089 | const char *pszBiosMap = NULL;
|
---|
[41482] | 2090 | const char *pszBiosSym = NULL;
|
---|
[41316] | 2091 | const char *pszBiosImg = NULL;
|
---|
| 2092 | const char *pszOutput = NULL;
|
---|
| 2093 |
|
---|
| 2094 | RTGETOPTUNION ValueUnion;
|
---|
| 2095 | RTGETOPTSTATE GetOptState;
|
---|
| 2096 | rc = RTGetOptInit(&GetOptState, argc, argv, &s_aOpts[0], RT_ELEMENTS(s_aOpts), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
|
---|
| 2097 | AssertReleaseRCReturn(rc, RTEXITCODE_FAILURE);
|
---|
| 2098 |
|
---|
| 2099 | /*
|
---|
| 2100 | * Process the options.
|
---|
| 2101 | */
|
---|
| 2102 | while ((rc = RTGetOpt(&GetOptState, &ValueUnion)) != 0)
|
---|
| 2103 | {
|
---|
| 2104 | switch (rc)
|
---|
| 2105 | {
|
---|
| 2106 | case 'i':
|
---|
| 2107 | if (pszBiosImg)
|
---|
| 2108 | return RTMsgErrorExit(RTEXITCODE_SYNTAX, "--bios-image is given more than once");
|
---|
| 2109 | pszBiosImg = ValueUnion.psz;
|
---|
| 2110 | break;
|
---|
| 2111 |
|
---|
| 2112 | case 'm':
|
---|
| 2113 | if (pszBiosMap)
|
---|
| 2114 | return RTMsgErrorExit(RTEXITCODE_SYNTAX, "--bios-map is given more than once");
|
---|
| 2115 | pszBiosMap = ValueUnion.psz;
|
---|
| 2116 | break;
|
---|
| 2117 |
|
---|
[41482] | 2118 | case 's':
|
---|
[41488] | 2119 | if (pszBiosSym)
|
---|
[41482] | 2120 | return RTMsgErrorExit(RTEXITCODE_SYNTAX, "--bios-sym is given more than once");
|
---|
[41488] | 2121 | pszBiosSym = ValueUnion.psz;
|
---|
[41482] | 2122 | break;
|
---|
| 2123 |
|
---|
[41316] | 2124 | case 'o':
|
---|
| 2125 | if (pszOutput)
|
---|
| 2126 | return RTMsgErrorExit(RTEXITCODE_SYNTAX, "--output is given more than once");
|
---|
| 2127 | pszOutput = ValueUnion.psz;
|
---|
| 2128 | break;
|
---|
| 2129 |
|
---|
[42147] | 2130 | case 't':
|
---|
| 2131 | if (!strcmp(ValueUnion.psz, "system"))
|
---|
| 2132 | {
|
---|
| 2133 | g_enmBiosType = kBiosType_System;
|
---|
| 2134 | g_uBiosFlatBase = 0xf0000;
|
---|
| 2135 | }
|
---|
| 2136 | else if (!strcmp(ValueUnion.psz, "vga"))
|
---|
| 2137 | {
|
---|
| 2138 | g_enmBiosType = kBiosType_Vga;
|
---|
| 2139 | g_uBiosFlatBase = 0xc0000;
|
---|
| 2140 | }
|
---|
| 2141 | else
|
---|
| 2142 | return RTMsgErrorExit(RTEXITCODE_SYNTAX, "Unknown bios type '%s'", ValueUnion.psz);
|
---|
| 2143 | break;
|
---|
| 2144 |
|
---|
[41316] | 2145 | case 'v':
|
---|
| 2146 | g_cVerbose++;
|
---|
| 2147 | break;
|
---|
| 2148 |
|
---|
| 2149 | case 'q':
|
---|
| 2150 | g_cVerbose = 0;
|
---|
| 2151 | break;
|
---|
| 2152 |
|
---|
| 2153 | case 'H':
|
---|
| 2154 | RTPrintf("usage: %Rbn --bios-image <file.img> --bios-map <file.map> [--output <file.asm>]\n",
|
---|
| 2155 | argv[0]);
|
---|
| 2156 | return RTEXITCODE_SUCCESS;
|
---|
| 2157 |
|
---|
| 2158 | case 'V':
|
---|
| 2159 | {
|
---|
| 2160 | /* The following is assuming that svn does it's job here. */
|
---|
[60736] | 2161 | char szRev[] = "$Revision: 103005 $";
|
---|
| 2162 | char *psz = szRev;
|
---|
| 2163 | while (*psz && !RT_C_IS_DIGIT(*psz))
|
---|
| 2164 | psz++;
|
---|
| 2165 | size_t i = strlen(psz);
|
---|
| 2166 | while (i > 0 && !RT_C_IS_DIGIT(psz[i - 1]))
|
---|
| 2167 | psz[--i] = '\0';
|
---|
| 2168 |
|
---|
| 2169 | RTPrintf("r%s\n", psz);
|
---|
[41316] | 2170 | return RTEXITCODE_SUCCESS;
|
---|
| 2171 | }
|
---|
| 2172 |
|
---|
| 2173 | default:
|
---|
| 2174 | return RTGetOptPrintError(rc, &ValueUnion);
|
---|
| 2175 | }
|
---|
| 2176 | }
|
---|
| 2177 |
|
---|
| 2178 | /*
|
---|
| 2179 | * Got it all?
|
---|
| 2180 | */
|
---|
| 2181 | if (!pszBiosImg)
|
---|
| 2182 | return RTMsgErrorExit(RTEXITCODE_SYNTAX, "--bios-image is required");
|
---|
| 2183 | if (!pszBiosMap)
|
---|
| 2184 | return RTMsgErrorExit(RTEXITCODE_SYNTAX, "--bios-map is required");
|
---|
[41482] | 2185 | if (!pszBiosSym)
|
---|
| 2186 | return RTMsgErrorExit(RTEXITCODE_SYNTAX, "--bios-sym is required");
|
---|
[41316] | 2187 |
|
---|
| 2188 | /*
|
---|
| 2189 | * Do the job.
|
---|
| 2190 | */
|
---|
| 2191 | RTEXITCODE rcExit;
|
---|
| 2192 | rcExit = ReadBiosImage(pszBiosImg);
|
---|
| 2193 | if (rcExit == RTEXITCODE_SUCCESS)
|
---|
| 2194 | rcExit = ParseMapFile(pszBiosMap);
|
---|
| 2195 | if (rcExit == RTEXITCODE_SUCCESS)
|
---|
[41482] | 2196 | rcExit = ParseSymFile(pszBiosSym);
|
---|
| 2197 | if (rcExit == RTEXITCODE_SUCCESS)
|
---|
[41316] | 2198 | rcExit = OpenOutputFile(pszOutput);
|
---|
| 2199 | if (rcExit == RTEXITCODE_SUCCESS)
|
---|
| 2200 | rcExit = DisassembleBiosImage();
|
---|
| 2201 |
|
---|
| 2202 | return rcExit;
|
---|
[41088] | 2203 | }
|
---|
| 2204 |
|
---|