boot/freeldr/freeldr/windows/winldr.c

   1 /*
   2  *  FreeLoader
   3  *
   4  *  Copyright (C) 1998-2003  Brian Palmer    <brianp@sginet.com>
   5  *  Copyright (C) 2006       Aleksey Bragin  <aleksey@reactos.org>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License along
  18  *  with this program; if not, write to the Free Software Foundation, Inc.,
  19  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include <freeldr.h>
  23
  24 #include <ndk/ldrtypes.h>
  25 #include <debug.h>
  26
  27 // TODO: Move to .h
  28 void WinLdrSetupForNt(PLOADER_PARAMETER_BLOCK LoaderBlock,
  29                       PVOID *GdtIdt,
  30                       ULONG *PcrBasePage,
  31                       ULONG *TssBasePage);
  32
  33 //FIXME: Do a better way to retrieve Arc disk information
  34 extern ULONG reactos_disk_count;
  35 extern ARC_DISK_SIGNATURE reactos_arc_disk_info[];
  36 extern char reactos_arc_strings[32][256];
  37
  38 extern BOOLEAN UseRealHeap;
  39 extern ULONG LoaderPagesSpanned;
  40 extern BOOLEAN AcpiPresent;
  41
  42 BOOLEAN
  43 WinLdrCheckForLoadedDll(IN OUT PLOADER_PARAMETER_BLOCK WinLdrBlock,
  44                         IN PCH DllName,
  45                         OUT PLDR_DATA_TABLE_ENTRY *LoadedEntry);
  46
  47 // debug stuff
  48 VOID DumpMemoryAllocMap(VOID);
  49 VOID WinLdrpDumpMemoryDescriptors(PLOADER_PARAMETER_BLOCK LoaderBlock);
  50 VOID WinLdrpDumpBootDriver(PLOADER_PARAMETER_BLOCK LoaderBlock);
  51 VOID WinLdrpDumpArcDisks(PLOADER_PARAMETER_BLOCK LoaderBlock);
  52
  53
  54 // Init "phase 0"
  55 VOID
  56 AllocateAndInitLPB(PLOADER_PARAMETER_BLOCK *OutLoaderBlock)
  57 {
  58         PLOADER_PARAMETER_BLOCK LoaderBlock;
  59
  60         /* Allocate and zero-init the LPB */
  61         LoaderBlock = MmHeapAlloc(sizeof(LOADER_PARAMETER_BLOCK));
  62         RtlZeroMemory(LoaderBlock, sizeof(LOADER_PARAMETER_BLOCK));
  63
  64         /* Init three critical lists, used right away */
  65         InitializeListHead(&LoaderBlock->LoadOrderListHead);
  66         InitializeListHead(&LoaderBlock->MemoryDescriptorListHead);
  67         InitializeListHead(&LoaderBlock->BootDriverListHead);
  68
  69         /* Alloc space for NLS (it will be converted to VA in WinLdrLoadNLS) */
  70         LoaderBlock->NlsData = MmHeapAlloc(sizeof(NLS_DATA_BLOCK));
  71         if (LoaderBlock->NlsData == NULL)
  72         {
  73                 UiMessageBox("Failed to allocate memory for NLS table data!");
  74                 return;
  75         }
  76         RtlZeroMemory(LoaderBlock->NlsData, sizeof(NLS_DATA_BLOCK));
  77
  78         *OutLoaderBlock = LoaderBlock;
  79 }
  80
  81 // Init "phase 1"
  82 VOID
  83 WinLdrInitializePhase1(PLOADER_PARAMETER_BLOCK LoaderBlock,
  84                        PCHAR Options,
  85                        PCHAR SystemRoot,
  86                        PCHAR BootPath,
  87                        USHORT VersionToBoot)
  88 {
  89         /* Examples of correct options and paths */
  90         //CHAR  Options[] = "/DEBUGPORT=COM1 /BAUDRATE=115200";
  91         //CHAR  Options[] = "/NODEBUG";
  92         //CHAR  SystemRoot[] = "\\WINNT\\";
  93         //CHAR  ArcBoot[] = "multi(0)disk(0)rdisk(0)partition(1)";
  94
  95         CHAR    HalPath[] = "\\";
  96         CHAR    ArcBoot[256];
  97         CHAR    MiscFiles[256];
  98         ULONG i, PathSeparator;
  99         PLOADER_PARAMETER_EXTENSION Extension;
 100
 101         /* Construct SystemRoot and ArcBoot from SystemPath */
 102         PathSeparator = strstr(BootPath, "\\") - BootPath;
 103         strncpy(ArcBoot, BootPath, PathSeparator);
 104         ArcBoot[PathSeparator] = 0;
 105
 106         DPRINTM(DPRINT_WINDOWS, "ArcBoot: %s\n", ArcBoot);
 107         DPRINTM(DPRINT_WINDOWS, "SystemRoot: %s\n", SystemRoot);
 108         DPRINTM(DPRINT_WINDOWS, "Options: %s\n", Options);
 109
 110         /* Fill Arc BootDevice */
 111         LoaderBlock->ArcBootDeviceName = MmHeapAlloc(strlen(ArcBoot)+1);
 112         strcpy(LoaderBlock->ArcBootDeviceName, ArcBoot);
 113         LoaderBlock->ArcBootDeviceName = PaToVa(LoaderBlock->ArcBootDeviceName);
 114
 115         /* Fill Arc HalDevice, it matches ArcBoot path */
 116         LoaderBlock->ArcHalDeviceName = MmHeapAlloc(strlen(ArcBoot)+1);
 117         strcpy(LoaderBlock->ArcHalDeviceName, ArcBoot);
 118         LoaderBlock->ArcHalDeviceName = PaToVa(LoaderBlock->ArcHalDeviceName);
 119
 120         /* Fill SystemRoot */
 121         LoaderBlock->NtBootPathName = MmHeapAlloc(strlen(SystemRoot)+1);
 122         strcpy(LoaderBlock->NtBootPathName, SystemRoot);
 123         LoaderBlock->NtBootPathName = PaToVa(LoaderBlock->NtBootPathName);
 124
 125         /* Fill NtHalPathName */
 126         LoaderBlock->NtHalPathName = MmHeapAlloc(strlen(HalPath)+1);
 127         strcpy(LoaderBlock->NtHalPathName, HalPath);
 128         LoaderBlock->NtHalPathName = PaToVa(LoaderBlock->NtHalPathName);
 129
 130         /* Fill load options */
 131         LoaderBlock->LoadOptions = MmHeapAlloc(strlen(Options)+1);
 132         strcpy(LoaderBlock->LoadOptions, Options);
 133         LoaderBlock->LoadOptions = PaToVa(LoaderBlock->LoadOptions);
 134
 135         /* Arc devices */
 136         LoaderBlock->ArcDiskInformation = (PARC_DISK_INFORMATION)MmHeapAlloc(sizeof(ARC_DISK_INFORMATION));
 137         InitializeListHead(&LoaderBlock->ArcDiskInformation->DiskSignatureListHead);
 138
 139         /* Convert ARC disk information from freeldr to a correct format */
 140         for (i = 0; i < reactos_disk_count; i++)
 141         {
 142                 PARC_DISK_SIGNATURE ArcDiskInfo;
 143
 144                 /* Get the ARC structure */
 145                 ArcDiskInfo = (PARC_DISK_SIGNATURE)MmHeapAlloc(sizeof(ARC_DISK_SIGNATURE));
 146                 RtlZeroMemory(ArcDiskInfo, sizeof(ARC_DISK_SIGNATURE));
 147
 148                 /* Copy the data over */
 149                 ArcDiskInfo->Signature = reactos_arc_disk_info[i].Signature;
 150                 ArcDiskInfo->CheckSum = reactos_arc_disk_info[i].CheckSum;
 151
 152                 /* Copy the ARC Name */
 153                 ArcDiskInfo->ArcName = (PCHAR)MmHeapAlloc(sizeof(CHAR)*256);
 154                 strcpy(ArcDiskInfo->ArcName, reactos_arc_disk_info[i].ArcName);
 155                 ArcDiskInfo->ArcName = (PCHAR)PaToVa(ArcDiskInfo->ArcName);
 156
 157                 /* Mark partition table as valid */
 158                 ArcDiskInfo->ValidPartitionTable = TRUE;
 159
 160                 /* Insert into the list */
 161                 InsertTailList(&LoaderBlock->ArcDiskInformation->DiskSignatureListHead,
 162                         &ArcDiskInfo->ListEntry);
 163         }
 164
 165         /* Convert all list's to Virtual address */
 166
 167         /* Convert the ArcDisks list to virtual address */
 168         List_PaToVa(&LoaderBlock->ArcDiskInformation->DiskSignatureListHead);
 169         LoaderBlock->ArcDiskInformation = PaToVa(LoaderBlock->ArcDiskInformation);
 170
 171         /* Convert configuration entries to VA */
 172         ConvertConfigToVA(LoaderBlock->ConfigurationRoot);
 173         LoaderBlock->ConfigurationRoot = PaToVa(LoaderBlock->ConfigurationRoot);
 174
 175         /* Convert all DTE into virtual addresses */
 176         List_PaToVa(&LoaderBlock->LoadOrderListHead);
 177
 178         /* this one will be converted right before switching to
 179            virtual paging mode */
 180         //List_PaToVa(&LoaderBlock->MemoryDescriptorListHead);
 181
 182         /* Convert list of boot drivers */
 183         List_PaToVa(&LoaderBlock->BootDriverListHead);
 184
 185         /* Initialize Extension now */
 186         Extension = MmHeapAlloc(sizeof(LOADER_PARAMETER_EXTENSION));
 187         if (Extension == NULL)
 188         {
 189                 UiMessageBox("Failed to allocate LPB Extension!");
 190                 return;
 191         }
 192         RtlZeroMemory(Extension, sizeof(LOADER_PARAMETER_EXTENSION));
 193
 194         /* Fill LPB extension */
 195         Extension->Size = sizeof(LOADER_PARAMETER_EXTENSION);
 196         Extension->MajorVersion = (VersionToBoot & 0xFF00) >> 8;
 197         Extension->MinorVersion = VersionToBoot & 0xFF;
 198         Extension->Profile.Status = 2;
 199
 200         /* Check if ACPI is present */
 201         if (AcpiPresent)
 202         {
 203                 /* See KiRosFrldrLpbToNtLpb for details */
 204                 Extension->AcpiTable = (PVOID)1;
 205         }
 206
 207         /* Load drivers database */
 208         strcpy(MiscFiles, BootPath);
 209         strcat(MiscFiles, "AppPatch\\drvmain.sdb");
 210         Extension->DrvDBImage = PaToVa(WinLdrLoadModule(MiscFiles,
 211                 &Extension->DrvDBSize, LoaderRegistryData));
 212
 213         /* Convert extension and setup block pointers */
 214         LoaderBlock->Extension = PaToVa(Extension);
 215
 216         if (LoaderBlock->SetupLdrBlock)
 217                 LoaderBlock->SetupLdrBlock = PaToVa(LoaderBlock->SetupLdrBlock);
 218 }
 219
 220 BOOLEAN
 221 WinLdrLoadDeviceDriver(PLOADER_PARAMETER_BLOCK LoaderBlock,
 222                        LPSTR BootPath,
 223                        PUNICODE_STRING FilePath,
 224                        ULONG Flags,
 225                        PLDR_DATA_TABLE_ENTRY *DriverDTE)
 226 {
 227         CHAR FullPath[1024];
 228         CHAR DriverPath[1024];
 229         CHAR DllName[1024];
 230         PCHAR DriverNamePos;
 231         BOOLEAN Status;
 232         PVOID DriverBase;
 233
 234         // Separate the path to file name and directory path
 235         _snprintf(DriverPath, sizeof(DriverPath), "%wZ", FilePath);
 236         DriverNamePos = strrchr(DriverPath, '\\');
 237         if (DriverNamePos != NULL)
 238         {
 239                 // Copy the name
 240                 strcpy(DllName, DriverNamePos+1);
 241
 242                 // Cut out the name from the path
 243                 *(DriverNamePos+1) = 0;
 244         }
 245         else
 246         {
 247                 // There is no directory in the path
 248                 strcpy(DllName, DriverPath);
 249                 DriverPath[0] = 0;
 250         }
 251
 252         DPRINTM(DPRINT_WINDOWS, "DriverPath: %s, DllName: %s, LPB %p\n", DriverPath, DllName, LoaderBlock);
 253
 254
 255         // Check if driver is already loaded
 256         Status = WinLdrCheckForLoadedDll(LoaderBlock, DllName, DriverDTE);
 257         if (Status)
 258         {
 259                 // We've got the pointer to its DTE, just return success
 260                 return TRUE;
 261         }
 262
 263         // It's not loaded, we have to load it
 264         _snprintf(FullPath, sizeof(FullPath), "%s%wZ", BootPath, FilePath);
 265         Status = WinLdrLoadImage(FullPath, LoaderBootDriver, &DriverBase);
 266         if (!Status)
 267                 return FALSE;
 268
 269         // Allocate a DTE for it
 270         Status = WinLdrAllocateDataTableEntry(LoaderBlock, DllName, DllName, DriverBase, DriverDTE);
 271         if (!Status)
 272         {
 273                 DPRINTM(DPRINT_WINDOWS, "WinLdrAllocateDataTableEntry() failed\n");
 274                 return FALSE;
 275         }
 276
 277         // Modify any flags, if needed
 278         (*DriverDTE)->Flags |= Flags;
 279
 280         // Look for any dependencies it may have, and load them too
 281         sprintf(FullPath,"%s%s", BootPath, DriverPath);
 282         Status = WinLdrScanImportDescriptorTable(LoaderBlock, FullPath, *DriverDTE);
 283         if (!Status)
 284         {
 285                 DPRINTM(DPRINT_WINDOWS, "WinLdrScanImportDescriptorTable() failed for %s\n",
 286                         FullPath);
 287                 return FALSE;
 288         }
 289
 290         return TRUE;
 291 }
 292
 293 BOOLEAN
 294 WinLdrLoadBootDrivers(PLOADER_PARAMETER_BLOCK LoaderBlock,
 295                       LPSTR BootPath)
 296 {
 297         PLIST_ENTRY NextBd;
 298         PBOOT_DRIVER_LIST_ENTRY BootDriver;
 299         BOOLEAN Status;
 300
 301         // Walk through the boot drivers list
 302         NextBd = LoaderBlock->BootDriverListHead.Flink;
 303
 304         while (NextBd != &LoaderBlock->BootDriverListHead)
 305         {
 306                 BootDriver = CONTAINING_RECORD(NextBd, BOOT_DRIVER_LIST_ENTRY, Link);
 307
 308                 DPRINTM(DPRINT_WINDOWS, "BootDriver %wZ DTE %08X RegPath: %wZ\n", &BootDriver->FilePath,
 309                         BootDriver->LdrEntry, &BootDriver->RegistryPath);
 310
 311                 // Paths are relative (FIXME: Are they always relative?)
 312
 313                 // Load it
 314                 Status = WinLdrLoadDeviceDriver(LoaderBlock, BootPath, &BootDriver->FilePath,
 315                         0, &BootDriver->LdrEntry);
 316
 317                 // If loading failed - cry loudly
 318                 //FIXME: Maybe remove it from the list and try to continue?
 319                 if (!Status)
 320                 {
 321                         UiMessageBox("Can't load boot driver!");
 322                         return FALSE;
 323                 }
 324
 325                 // Convert the RegistryPath and DTE addresses to VA since we are not going to use it anymore
 326                 BootDriver->RegistryPath.Buffer = PaToVa(BootDriver->RegistryPath.Buffer);
 327                 BootDriver->FilePath.Buffer = PaToVa(BootDriver->FilePath.Buffer);
 328                 BootDriver->LdrEntry = PaToVa(BootDriver->LdrEntry);
 329
 330                 NextBd = BootDriver->Link.Flink;
 331         }
 332
 333         return TRUE;
 334 }
 335
 336 PVOID WinLdrLoadModule(PCSTR ModuleName, ULONG *Size,
 337                                            TYPE_OF_MEMORY MemoryType)
 338 {
 339         ULONG FileId;
 340         PVOID PhysicalBase;
 341         FILEINFORMATION FileInfo;
 342         ULONG FileSize;
 343         ULONG Status;
 344         ULONG BytesRead;
 345
 346         //CHAR ProgressString[256];
 347
 348         /* Inform user we are loading files */
 349         //sprintf(ProgressString, "Loading %s...", FileName);
 350         //UiDrawProgressBarCenter(1, 100, ProgressString);
 351
 352         DPRINTM(DPRINT_WINDOWS, "Loading module %s\n", ModuleName);
 353         *Size = 0;
 354
 355         /* Open the image file */
 356         Status = ArcOpen((PCHAR)ModuleName, OpenReadOnly, &FileId);
 357         if (Status != ESUCCESS)
 358         {
 359                 /* In case of errors, we just return, without complaining to the user */
 360                 return NULL;
 361         }
 362
 363         /* Get this file's size */
 364         Status = ArcGetFileInformation(FileId, &FileInfo);
 365         if (Status != ESUCCESS)
 366         {
 367                 ArcClose(FileId);
 368                 return NULL;
 369         }
 370         FileSize = FileInfo.EndingAddress.LowPart;
 371         *Size = FileSize;
 372
 373         /* Allocate memory */
 374         PhysicalBase = MmAllocateMemoryWithType(FileSize, MemoryType);
 375         if (PhysicalBase == NULL)
 376         {
 377                 ArcClose(FileId);
 378                 return NULL;
 379         }
 380
 381         /* Load whole file */
 382         Status = ArcRead(FileId, PhysicalBase, FileSize, &BytesRead);
 383         ArcClose(FileId);
 384         if (Status != ESUCCESS)
 385         {
 386                 return NULL;
 387         }
 388
 389         DPRINTM(DPRINT_WINDOWS, "Loaded %s at 0x%x with size 0x%x\n", ModuleName, PhysicalBase, FileSize);
 390
 391         return PhysicalBase;
 392 }
 393
 394
 395 USHORT
 396 WinLdrDetectVersion()
 397 {
 398         LONG rc;
 399         FRLDRHKEY hKey;
 400
 401         rc = RegOpenKey(
 402                 NULL,
 403                 L"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Control\\Terminal Server",
 404                 &hKey);
 405         if (rc != ERROR_SUCCESS)
 406         {
 407                 // Key doesn't exist; assume NT 4.0
 408                 return _WIN32_WINNT_NT4;
 409         }
 410
 411         // We may here want to read the value of ProductVersion
 412         return _WIN32_WINNT_WS03;
 413 }
 414
 415
 416 VOID
 417 LoadAndBootWindows(PCSTR OperatingSystemName,
 418                    PSTR SettingsValue,
 419                    USHORT OperatingSystemVersion)
 420 {
 421         BOOLEAN HasSection;
 422         char  FullPath[MAX_PATH], SystemRoot[MAX_PATH], BootPath[MAX_PATH];
 423         CHAR  FileName[MAX_PATH];
 424         CHAR  BootOptions[256];
 425         PCHAR File;
 426         PCHAR PathSeparator;
 427         PVOID NtosBase = NULL, HalBase = NULL, KdComBase = NULL;
 428         BOOLEAN Status;
 429         ULONG_PTR SectionId;
 430         PLOADER_PARAMETER_BLOCK LoaderBlock, LoaderBlockVA;
 431         KERNEL_ENTRY_POINT KiSystemStartup;
 432         PLDR_DATA_TABLE_ENTRY KernelDTE, HalDTE, KdComDTE = NULL;
 433         // Mm-related things
 434         PVOID GdtIdt;
 435         ULONG PcrBasePage=0;
 436         ULONG TssBasePage=0;
 437
 438         // Open the operating system section
 439         // specified in the .ini file
 440         HasSection = IniOpenSection(OperatingSystemName, &SectionId);
 441
 442         UiDrawBackdrop();
 443         UiDrawStatusText("Detecting Hardware...");
 444         UiDrawProgressBarCenter(1, 100, "Loading NT...");
 445
 446         /* Read the system path is set in the .ini file */
 447         if (!HasSection || !IniReadSettingByName(SectionId, "SystemPath", FullPath, sizeof(FullPath)))
 448         {
 449                 strcpy(FullPath, OperatingSystemName);
 450         }
 451
 452         /* Special case for LiveCD */
 453         if (!_strnicmp(FullPath, "LiveCD", strlen("LiveCD")))
 454         {
 455                 strcpy(BootPath, FullPath + strlen("LiveCD"));
 456                 MachDiskGetBootPath(FullPath, sizeof(FullPath));
 457                 strcat(FullPath, BootPath);
 458         }
 459
 460         /* Convert FullPath to SystemRoot */
 461         PathSeparator = strstr(FullPath, "\\");
 462         strcpy(SystemRoot, PathSeparator);
 463         strcat(SystemRoot, "\\");
 464
 465         /* Read booting options */
 466         if (!HasSection || !IniReadSettingByName(SectionId, "Options", BootOptions, sizeof(BootOptions)))
 467         {
 468                 /* Get options after the title */
 469                 const CHAR*p = SettingsValue;
 470                 while (*p == ' ' || *p == '"')
 471                         p++;
 472                 while (*p != '\0' && *p != '"')
 473                         p++;
 474                 strcpy(BootOptions, p);
 475                 DPRINTM(DPRINT_WINDOWS,"BootOptions: '%s'\n", BootOptions);
 476         }
 477
 478         /* Append boot-time options */
 479         AppendBootTimeOptions(BootOptions);
 480
 481         //
 482         // Check if a ramdisk file was given
 483         //
 484         File = strstr(BootOptions, "/RDPATH=");
 485         if (File)
 486         {
 487                 //
 488                 // Copy the file name and everything else after it
 489                 //
 490                 strcpy(FileName, File + 8);
 491
 492                 //
 493                 // Null-terminate
 494                 //
 495                 *strstr(FileName, " ") = ANSI_NULL;
 496
 497                 //
 498                 // Load the ramdisk
 499                 //
 500                 RamDiskLoadVirtualFile(FileName);
 501         }
 502
 503         /* Let user know we started loading */
 504         UiDrawStatusText("Loading...");
 505
 506         /* append a backslash */
 507         strcpy(BootPath, FullPath);
 508         if ((strlen(BootPath)==0) ||
 509             BootPath[strlen(BootPath)] != '\\')
 510                 strcat(BootPath, "\\");
 511
 512         DPRINTM(DPRINT_WINDOWS,"BootPath: '%s'\n", BootPath);
 513
 514         /* Allocate and minimalistic-initialize LPB */
 515         AllocateAndInitLPB(&LoaderBlock);
 516
 517         /* Detect hardware */
 518         UseRealHeap = TRUE;
 519         LoaderBlock->ConfigurationRoot = MachHwDetect();
 520
 521         /* Load Hive */
 522         Status = WinLdrInitSystemHive(LoaderBlock, BootPath);
 523         DPRINTM(DPRINT_WINDOWS, "SYSTEM hive loaded with status %d\n", Status);
 524
 525         if (OperatingSystemVersion == 0)
 526                 OperatingSystemVersion = WinLdrDetectVersion();
 527
 528         /* Load kernel */
 529         strcpy(FileName, BootPath);
 530         strcat(FileName, "SYSTEM32\\NTOSKRNL.EXE");
 531         Status = WinLdrLoadImage(FileName, LoaderSystemCode, &NtosBase);
 532         DPRINTM(DPRINT_WINDOWS, "Ntos loaded with status %d at %p\n", Status, NtosBase);
 533
 534         /* Load HAL */
 535         strcpy(FileName, BootPath);
 536         strcat(FileName, "SYSTEM32\\HAL.DLL");
 537         Status = WinLdrLoadImage(FileName, LoaderHalCode, &HalBase);
 538         DPRINTM(DPRINT_WINDOWS, "HAL loaded with status %d at %p\n", Status, HalBase);
 539
 540         /* Load kernel-debugger support dll */
 541         if (OperatingSystemVersion > _WIN32_WINNT_WIN2K)
 542         {
 543                 strcpy(FileName, BootPath);
 544                 strcat(FileName, "SYSTEM32\\KDCOM.DLL");
 545                 Status = WinLdrLoadImage(FileName, LoaderBootDriver, &KdComBase);
 546                 DPRINTM(DPRINT_WINDOWS, "KdCom loaded with status %d at %p\n", Status, KdComBase);
 547         }
 548
 549         /* Allocate data table entries for above-loaded modules */
 550         WinLdrAllocateDataTableEntry(LoaderBlock, "ntoskrnl.exe",
 551                 "WINDOWS\\SYSTEM32\\NTOSKRNL.EXE", NtosBase, &KernelDTE);
 552         WinLdrAllocateDataTableEntry(LoaderBlock, "hal.dll",
 553                 "WINDOWS\\SYSTEM32\\HAL.DLL", HalBase, &HalDTE);
 554         if (OperatingSystemVersion > _WIN32_WINNT_WIN2K)
 555         {
 556                 WinLdrAllocateDataTableEntry(LoaderBlock, "kdcom.dll",
 557                         "WINDOWS\\SYSTEM32\\KDCOM.DLL", KdComBase, &KdComDTE);
 558         }
 559
 560         /* Load all referenced DLLs for kernel, HAL and kdcom.dll */
 561         strcpy(FileName, BootPath);
 562         strcat(FileName, "SYSTEM32\\");
 563         WinLdrScanImportDescriptorTable(LoaderBlock, FileName, KernelDTE);
 564         WinLdrScanImportDescriptorTable(LoaderBlock, FileName, HalDTE);
 565         if (KdComDTE)
 566                 WinLdrScanImportDescriptorTable(LoaderBlock, FileName, KdComDTE);
 567
 568         /* Load NLS data, OEM font, and prepare boot drivers list */
 569         Status = WinLdrScanSystemHive(LoaderBlock, BootPath);
 570         DPRINTM(DPRINT_WINDOWS, "SYSTEM hive scanned with status %d\n", Status);
 571
 572         /* Load boot drivers */
 573         Status = WinLdrLoadBootDrivers(LoaderBlock, BootPath);
 574         DPRINTM(DPRINT_WINDOWS, "Boot drivers loaded with status %d\n", Status);
 575
 576         /* Alloc PCR, TSS, do magic things with the GDT/IDT */
 577         WinLdrSetupForNt(LoaderBlock, &GdtIdt, &PcrBasePage, &TssBasePage);
 578
 579         /* Initialize Phase 1 - no drivers loading anymore */
 580         WinLdrInitializePhase1(LoaderBlock, BootOptions, SystemRoot, BootPath, OperatingSystemVersion);
 581
 582         /* Save entry-point pointer and Loader block VAs */
 583         KiSystemStartup = (KERNEL_ENTRY_POINT)KernelDTE->EntryPoint;
 584         LoaderBlockVA = PaToVa(LoaderBlock);
 585
 586         /* "Stop all motors", change videomode */
 587         if (OperatingSystemVersion < _WIN32_WINNT_WIN2K)
 588                 MachPrepareForReactOS(TRUE);
 589         else
 590                 MachPrepareForReactOS(FALSE);
 591
 592         /* Debugging... */
 593         //DumpMemoryAllocMap();
 594
 595         /* Turn on paging mode of CPU*/
 596         WinLdrTurnOnPaging(LoaderBlock, PcrBasePage, TssBasePage, GdtIdt);
 597
 598         /* Save final value of LoaderPagesSpanned */
 599         LoaderBlockVA->Extension->LoaderPagesSpanned = LoaderPagesSpanned;
 600
 601         DPRINTM(DPRINT_WINDOWS, "Hello from paged mode, KiSystemStartup %p, LoaderBlockVA %p!\n",
 602                 KiSystemStartup, LoaderBlockVA);
 603
 604         WinLdrpDumpMemoryDescriptors(LoaderBlockVA);
 605         WinLdrpDumpBootDriver(LoaderBlockVA);
 606         WinLdrpDumpArcDisks(LoaderBlockVA);
 607
 608         //FIXME: If I substitute this debugging checkpoint, GCC will "optimize away" the code below
 609         //while (1) {};
 610         /*asm(".intel_syntax noprefix\n");
 611                 asm("test1:\n");
 612                 asm("jmp test1\n");
 613         asm(".att_syntax\n");*/
 614
 615         /* Pass control */
 616         (*KiSystemStartup)(LoaderBlockVA);
 617
 618         return;
 619 }
 620
 621 VOID
 622 WinLdrpDumpMemoryDescriptors(PLOADER_PARAMETER_BLOCK LoaderBlock)
 623 {
 624         PLIST_ENTRY NextMd;
 625         PMEMORY_ALLOCATION_DESCRIPTOR MemoryDescriptor;
 626
 627         NextMd = LoaderBlock->MemoryDescriptorListHead.Flink;
 628
 629         while (NextMd != &LoaderBlock->MemoryDescriptorListHead)
 630         {
 631                 MemoryDescriptor = CONTAINING_RECORD(NextMd, MEMORY_ALLOCATION_DESCRIPTOR, ListEntry);
 632
 633                 DPRINTM(DPRINT_WINDOWS, "BP %08X PC %04X MT %d\n", MemoryDescriptor->BasePage,
 634                         MemoryDescriptor->PageCount, MemoryDescriptor->MemoryType);
 635
 636                 NextMd = MemoryDescriptor->ListEntry.Flink;
 637         }
 638 }
 639
 640 VOID
 641 WinLdrpDumpBootDriver(PLOADER_PARAMETER_BLOCK LoaderBlock)
 642 {
 643         PLIST_ENTRY NextBd;
 644         PBOOT_DRIVER_LIST_ENTRY BootDriver;
 645
 646         NextBd = LoaderBlock->BootDriverListHead.Flink;
 647
 648         while (NextBd != &LoaderBlock->BootDriverListHead)
 649         {
 650                 BootDriver = CONTAINING_RECORD(NextBd, BOOT_DRIVER_LIST_ENTRY, Link);
 651
 652                 DPRINTM(DPRINT_WINDOWS, "BootDriver %wZ DTE %08X RegPath: %wZ\n", &BootDriver->FilePath,
 653                         BootDriver->LdrEntry, &BootDriver->RegistryPath);
 654
 655                 NextBd = BootDriver->Link.Flink;
 656         }
 657 }
 658
 659 VOID
 660 WinLdrpDumpArcDisks(PLOADER_PARAMETER_BLOCK LoaderBlock)
 661 {
 662         PLIST_ENTRY NextBd;
 663         PARC_DISK_SIGNATURE ArcDisk;
 664
 665         NextBd = LoaderBlock->ArcDiskInformation->DiskSignatureListHead.Flink;
 666
 667         while (NextBd != &LoaderBlock->ArcDiskInformation->DiskSignatureListHead)
 668         {
 669                 ArcDisk = CONTAINING_RECORD(NextBd, ARC_DISK_SIGNATURE, ListEntry);
 670
 671                 DPRINTM(DPRINT_WINDOWS, "ArcDisk %s checksum: 0x%X, signature: 0x%X\n",
 672                         ArcDisk->ArcName, ArcDisk->CheckSum, ArcDisk->Signature);
 673
 674                 NextBd = ArcDisk->ListEntry.Flink;
 675         }
 676 }
 677
 678