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