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 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         {
 268                 DPRINTM(DPRINT_WINDOWS, "WinLdrLoadImage() failed\n");
 269                 return FALSE;
 270         }
 271
 272         // Allocate a DTE for it
 273         Status = WinLdrAllocateDataTableEntry(LoaderBlock, DllName, DllName, DriverBase, DriverDTE);
 274         if (!Status)
 275         {
 276                 DPRINTM(DPRINT_WINDOWS, "WinLdrAllocateDataTableEntry() failed\n");
 277                 return FALSE;
 278         }
 279
 280         // Modify any flags, if needed
 281         (*DriverDTE)->Flags |= Flags;
 282
 283         // Look for any dependencies it may have, and load them too
 284         sprintf(FullPath,"%s%s", BootPath, DriverPath);
 285         Status = WinLdrScanImportDescriptorTable(LoaderBlock, FullPath, *DriverDTE);
 286         if (!Status)
 287         {
 288                 DPRINTM(DPRINT_WINDOWS, "WinLdrScanImportDescriptorTable() failed for %s\n",
 289                         FullPath);
 290                 return FALSE;
 291         }
 292
 293         return TRUE;
 294 }
 295
 296 BOOLEAN
 297 WinLdrLoadBootDrivers(PLOADER_PARAMETER_BLOCK LoaderBlock,
 298                       LPSTR BootPath)
 299 {
 300         PLIST_ENTRY NextBd;
 301         PBOOT_DRIVER_LIST_ENTRY BootDriver;
 302         BOOLEAN Status;
 303
 304         // Walk through the boot drivers list
 305         NextBd = LoaderBlock->BootDriverListHead.Flink;
 306
 307         while (NextBd != &LoaderBlock->BootDriverListHead)
 308         {
 309                 BootDriver = CONTAINING_RECORD(NextBd, BOOT_DRIVER_LIST_ENTRY, Link);
 310
 311                 DPRINTM(DPRINT_WINDOWS, "BootDriver %wZ DTE %08X RegPath: %wZ\n", &BootDriver->FilePath,
 312                         BootDriver->LdrEntry, &BootDriver->RegistryPath);
 313
 314                 // Paths are relative (FIXME: Are they always relative?)
 315
 316                 // Load it
 317                 Status = WinLdrLoadDeviceDriver(LoaderBlock, BootPath, &BootDriver->FilePath,
 318                         0, &BootDriver->LdrEntry);
 319
 320                 // If loading failed - cry loudly
 321                 //FIXME: Maybe remove it from the list and try to continue?
 322                 if (!Status)
 323                 {
 324                         DPRINTM(DPRINT_WARNING, "Can't load boot driver: %wZ\n", &BootDriver->FilePath);
 325                         UiMessageBox("Can't load boot driver!");
 326                         return FALSE;
 327                 }
 328
 329                 // Convert the RegistryPath and DTE addresses to VA since we are not going to use it anymore
 330                 BootDriver->RegistryPath.Buffer = PaToVa(BootDriver->RegistryPath.Buffer);
 331                 BootDriver->FilePath.Buffer = PaToVa(BootDriver->FilePath.Buffer);
 332                 BootDriver->LdrEntry = PaToVa(BootDriver->LdrEntry);
 333
 334                 NextBd = BootDriver->Link.Flink;
 335         }
 336
 337         return TRUE;
 338 }
 339
 340 PVOID WinLdrLoadModule(PCSTR ModuleName, ULONG *Size,
 341                                            TYPE_OF_MEMORY MemoryType)
 342 {
 343         ULONG FileId;
 344         PVOID PhysicalBase;
 345         FILEINFORMATION FileInfo;
 346         ULONG FileSize;
 347         ULONG Status;
 348         ULONG BytesRead;
 349
 350         //CHAR ProgressString[256];
 351
 352         /* Inform user we are loading files */
 353         //sprintf(ProgressString, "Loading %s...", FileName);
 354         //UiDrawProgressBarCenter(1, 100, ProgressString);
 355
 356         DPRINTM(DPRINT_WINDOWS, "Loading module %s\n", ModuleName);
 357         *Size = 0;
 358
 359         /* Open the image file */
 360         Status = ArcOpen((PCHAR)ModuleName, OpenReadOnly, &FileId);
 361         if (Status != ESUCCESS)
 362         {
 363                 /* In case of errors, we just return, without complaining to the user */
 364                 return NULL;
 365         }
 366
 367         /* Get this file's size */
 368         Status = ArcGetFileInformation(FileId, &FileInfo);
 369         if (Status != ESUCCESS)
 370         {
 371                 ArcClose(FileId);
 372                 return NULL;
 373         }
 374         FileSize = FileInfo.EndingAddress.LowPart;
 375         *Size = FileSize;
 376
 377         /* Allocate memory */
 378         PhysicalBase = MmAllocateMemoryWithType(FileSize, MemoryType);
 379         if (PhysicalBase == NULL)
 380         {
 381                 ArcClose(FileId);
 382                 return NULL;
 383         }
 384
 385         /* Load whole file */
 386         Status = ArcRead(FileId, PhysicalBase, FileSize, &BytesRead);
 387         ArcClose(FileId);
 388         if (Status != ESUCCESS)
 389         {
 390                 return NULL;
 391         }
 392
 393         DPRINTM(DPRINT_WINDOWS, "Loaded %s at 0x%x with size 0x%x\n", ModuleName, PhysicalBase, FileSize);
 394
 395         return PhysicalBase;
 396 }
 397
 398
 399 USHORT
 400 WinLdrDetectVersion()
 401 {
 402         LONG rc;
 403         FRLDRHKEY hKey;
 404
 405         rc = RegOpenKey(
 406                 NULL,
 407                 L"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Control\\Terminal Server",
 408                 &hKey);
 409         if (rc != ERROR_SUCCESS)
 410         {
 411                 // Key doesn't exist; assume NT 4.0
 412                 return _WIN32_WINNT_NT4;
 413         }
 414
 415         // We may here want to read the value of ProductVersion
 416         return _WIN32_WINNT_WS03;
 417 }
 418
 419
 420 VOID
 421 LoadAndBootWindows(PCSTR OperatingSystemName,
 422                    PSTR SettingsValue,
 423                    USHORT OperatingSystemVersion)
 424 {
 425         BOOLEAN HasSection;
 426         char  FullPath[MAX_PATH], SystemRoot[MAX_PATH], BootPath[MAX_PATH];
 427         CHAR  FileName[MAX_PATH];
 428         CHAR  BootOptions[256];
 429         PCHAR File;
 430         PCHAR PathSeparator;
 431         PVOID NtosBase = NULL, HalBase = NULL, KdComBase = NULL;
 432         BOOLEAN Status;
 433         ULONG_PTR SectionId;
 434         PLOADER_PARAMETER_BLOCK LoaderBlock, LoaderBlockVA;
 435         KERNEL_ENTRY_POINT KiSystemStartup;
 436         PLDR_DATA_TABLE_ENTRY KernelDTE, HalDTE, KdComDTE = NULL;
 437         // Mm-related things
 438         PVOID GdtIdt;
 439         ULONG PcrBasePage=0;
 440         ULONG TssBasePage=0;
 441
 442         // Open the operating system section
 443         // specified in the .ini file
 444         HasSection = IniOpenSection(OperatingSystemName, &SectionId);
 445
 446         UiDrawBackdrop();
 447         UiDrawStatusText("Detecting Hardware...");
 448         UiDrawProgressBarCenter(1, 100, "Loading NT...");
 449
 450         /* Read the system path is set in the .ini file */
 451         if (!HasSection || !IniReadSettingByName(SectionId, "SystemPath", FullPath, sizeof(FullPath)))
 452         {
 453                 strcpy(FullPath, OperatingSystemName);
 454         }
 455
 456         /* Special case for LiveCD */
 457         if (!_strnicmp(FullPath, "LiveCD", strlen("LiveCD")))
 458         {
 459                 strcpy(BootPath, FullPath + strlen("LiveCD"));
 460                 MachDiskGetBootPath(FullPath, sizeof(FullPath));
 461                 strcat(FullPath, BootPath);
 462         }
 463
 464         /* Convert FullPath to SystemRoot */
 465         PathSeparator = strstr(FullPath, "\\");
 466         strcpy(SystemRoot, PathSeparator);
 467         strcat(SystemRoot, "\\");
 468
 469         /* Read booting options */
 470         if (!HasSection || !IniReadSettingByName(SectionId, "Options", BootOptions, sizeof(BootOptions)))
 471         {
 472                 /* Get options after the title */
 473                 const CHAR*p = SettingsValue;
 474                 while (*p == ' ' || *p == '"')
 475                         p++;
 476                 while (*p != '\0' && *p != '"')
 477                         p++;
 478                 strcpy(BootOptions, p);
 479                 DPRINTM(DPRINT_WINDOWS,"BootOptions: '%s'\n", BootOptions);
 480         }
 481
 482         //
 483         // Check if a ramdisk file was given
 484         //
 485         File = strstr(BootOptions, "/RDPATH=");
 486         if (File)
 487         {
 488                 //
 489                 // Copy the file name and everything else after it
 490                 //
 491                 strcpy(FileName, File + 8);
 492
 493                 //
 494                 // Null-terminate
 495                 //
 496                 *strstr(FileName, " ") = ANSI_NULL;
 497
 498                 //
 499                 // Load the ramdisk
 500                 //
 501                 RamDiskLoadVirtualFile(FileName);
 502         }
 503
 504         /* Let user know we started loading */
 505         UiDrawStatusText("Loading...");
 506
 507         /* append a backslash */
 508         strcpy(BootPath, FullPath);
 509         if ((strlen(BootPath)==0) ||
 510             BootPath[strlen(BootPath)] != '\\')
 511                 strcat(BootPath, "\\");
 512
 513         DPRINTM(DPRINT_WINDOWS,"BootPath: '%s'\n", BootPath);
 514
 515         /* Allocate and minimalistic-initialize LPB */
 516         AllocateAndInitLPB(&LoaderBlock);
 517
 518         /* Detect hardware */
 519         UseRealHeap = TRUE;
 520         LoaderBlock->ConfigurationRoot = MachHwDetect();
 521
 522         /* Load Hive */
 523         Status = WinLdrInitSystemHive(LoaderBlock, BootPath);
 524         DPRINTM(DPRINT_WINDOWS, "SYSTEM hive loaded with status %d\n", Status);
 525
 526         if (OperatingSystemVersion == 0)
 527                 OperatingSystemVersion = WinLdrDetectVersion();
 528
 529         /* Load kernel */
 530         strcpy(FileName, BootPath);
 531         strcat(FileName, "SYSTEM32\\NTOSKRNL.EXE");
 532         Status = WinLdrLoadImage(FileName, LoaderSystemCode, &NtosBase);
 533         DPRINTM(DPRINT_WINDOWS, "Ntos loaded with status %d at %p\n", Status, NtosBase);
 534
 535         /* Load HAL */
 536         strcpy(FileName, BootPath);
 537         strcat(FileName, "SYSTEM32\\HAL.DLL");
 538         Status = WinLdrLoadImage(FileName, LoaderHalCode, &HalBase);
 539         DPRINTM(DPRINT_WINDOWS, "HAL loaded with status %d at %p\n", Status, HalBase);
 540
 541         /* Load kernel-debugger support dll */
 542         if (OperatingSystemVersion > _WIN32_WINNT_WIN2K)
 543         {
 544                 strcpy(FileName, BootPath);
 545                 strcat(FileName, "SYSTEM32\\KDCOM.DLL");
 546                 Status = WinLdrLoadImage(FileName, LoaderBootDriver, &KdComBase);
 547                 DPRINTM(DPRINT_WINDOWS, "KdCom loaded with status %d at %p\n", Status, KdComBase);
 548         }
 549
 550         /* Allocate data table entries for above-loaded modules */
 551         WinLdrAllocateDataTableEntry(LoaderBlock, "ntoskrnl.exe",
 552                 "WINDOWS\\SYSTEM32\\NTOSKRNL.EXE", NtosBase, &KernelDTE);
 553         WinLdrAllocateDataTableEntry(LoaderBlock, "hal.dll",
 554                 "WINDOWS\\SYSTEM32\\HAL.DLL", HalBase, &HalDTE);
 555         if (OperatingSystemVersion > _WIN32_WINNT_WIN2K)
 556         {
 557                 WinLdrAllocateDataTableEntry(LoaderBlock, "kdcom.dll",
 558                         "WINDOWS\\SYSTEM32\\KDCOM.DLL", KdComBase, &KdComDTE);
 559         }
 560
 561         /* Load all referenced DLLs for kernel, HAL and kdcom.dll */
 562         strcpy(FileName, BootPath);
 563         strcat(FileName, "SYSTEM32\\");
 564         WinLdrScanImportDescriptorTable(LoaderBlock, FileName, KernelDTE);
 565         WinLdrScanImportDescriptorTable(LoaderBlock, FileName, HalDTE);
 566         if (KdComDTE)
 567                 WinLdrScanImportDescriptorTable(LoaderBlock, FileName, KdComDTE);
 568
 569         /* Load NLS data, OEM font, and prepare boot drivers list */
 570         Status = WinLdrScanSystemHive(LoaderBlock, BootPath);
 571         DPRINTM(DPRINT_WINDOWS, "SYSTEM hive scanned with status %d\n", Status);
 572
 573         /* Load boot drivers */
 574         Status = WinLdrLoadBootDrivers(LoaderBlock, BootPath);
 575         DPRINTM(DPRINT_WINDOWS, "Boot drivers loaded with status %d\n", Status);
 576
 577         /* Alloc PCR, TSS, do magic things with the GDT/IDT */
 578         WinLdrSetupForNt(LoaderBlock, &GdtIdt, &PcrBasePage, &TssBasePage);
 579
 580         /* Initialize Phase 1 - no drivers loading anymore */
 581         WinLdrInitializePhase1(LoaderBlock, BootOptions, SystemRoot, BootPath, OperatingSystemVersion);
 582
 583         /* Save entry-point pointer and Loader block VAs */
 584         KiSystemStartup = (KERNEL_ENTRY_POINT)KernelDTE->EntryPoint;
 585         LoaderBlockVA = PaToVa(LoaderBlock);
 586
 587         /* "Stop all motors", change videomode */
 588         if (OperatingSystemVersion < _WIN32_WINNT_WIN2K)
 589                 MachPrepareForReactOS(TRUE);
 590         else
 591                 MachPrepareForReactOS(FALSE);
 592
 593         /* Debugging... */
 594         //DumpMemoryAllocMap();
 595
 596         /* Turn on paging mode of CPU*/
 597         WinLdrTurnOnPaging(LoaderBlock, PcrBasePage, TssBasePage, GdtIdt);
 598
 599 DbgPrint("Heeelooo\n");
 600
 601         /* Save final value of LoaderPagesSpanned */
 602         LoaderBlockVA->Extension->LoaderPagesSpanned = LoaderPagesSpanned;
 603
 604         DPRINTM(DPRINT_WINDOWS, "Hello from paged mode, KiSystemStartup %p, LoaderBlockVA %p!\n",
 605                 KiSystemStartup, LoaderBlockVA);
 606
 607 DbgPrint("Heeelooo\n");
 608
 609         WinLdrpDumpMemoryDescriptors(LoaderBlockVA);
 610         WinLdrpDumpBootDriver(LoaderBlockVA);
 611         WinLdrpDumpArcDisks(LoaderBlockVA);
 612
 613         //FIXME: If I substitute this debugging checkpoint, GCC will "optimize away" the code below
 614         //while (1) {};
 615         /*asm(".intel_syntax noprefix\n");
 616                 asm("test1:\n");
 617                 asm("jmp test1\n");
 618         asm(".att_syntax\n");*/
 619
 620         /* Pass control */
 621         (*KiSystemStartup)(LoaderBlockVA);
 622
 623         return;
 624 }
 625
 626 VOID
 627 WinLdrpDumpMemoryDescriptors(PLOADER_PARAMETER_BLOCK LoaderBlock)
 628 {
 629         PLIST_ENTRY NextMd;
 630         PMEMORY_ALLOCATION_DESCRIPTOR MemoryDescriptor;
 631
 632         NextMd = LoaderBlock->MemoryDescriptorListHead.Flink;
 633
 634         while (NextMd != &LoaderBlock->MemoryDescriptorListHead)
 635         {
 636                 MemoryDescriptor = CONTAINING_RECORD(NextMd, MEMORY_ALLOCATION_DESCRIPTOR, ListEntry);
 637
 638                 DPRINTM(DPRINT_WINDOWS, "BP %08X PC %04X MT %d\n", MemoryDescriptor->BasePage,
 639                         MemoryDescriptor->PageCount, MemoryDescriptor->MemoryType);
 640
 641                 NextMd = MemoryDescriptor->ListEntry.Flink;
 642         }
 643 }
 644
 645 VOID
 646 WinLdrpDumpBootDriver(PLOADER_PARAMETER_BLOCK LoaderBlock)
 647 {
 648         PLIST_ENTRY NextBd;
 649         PBOOT_DRIVER_LIST_ENTRY BootDriver;
 650
 651         NextBd = LoaderBlock->BootDriverListHead.Flink;
 652
 653         while (NextBd != &LoaderBlock->BootDriverListHead)
 654         {
 655                 BootDriver = CONTAINING_RECORD(NextBd, BOOT_DRIVER_LIST_ENTRY, Link);
 656
 657                 DPRINTM(DPRINT_WINDOWS, "BootDriver %wZ DTE %08X RegPath: %wZ\n", &BootDriver->FilePath,
 658                         BootDriver->LdrEntry, &BootDriver->RegistryPath);
 659
 660                 NextBd = BootDriver->Link.Flink;
 661         }
 662 }
 663
 664 VOID
 665 WinLdrpDumpArcDisks(PLOADER_PARAMETER_BLOCK LoaderBlock)
 666 {
 667         PLIST_ENTRY NextBd;
 668         PARC_DISK_SIGNATURE ArcDisk;
 669
 670         NextBd = LoaderBlock->ArcDiskInformation->DiskSignatureListHead.Flink;
 671
 672         while (NextBd != &LoaderBlock->ArcDiskInformation->DiskSignatureListHead)
 673         {
 674                 ArcDisk = CONTAINING_RECORD(NextBd, ARC_DISK_SIGNATURE, ListEntry);
 675
 676                 DPRINTM(DPRINT_WINDOWS, "ArcDisk %s checksum: 0x%X, signature: 0x%X\n",
 677                         ArcDisk->ArcName, ArcDisk->CheckSum, ArcDisk->Signature);
 678
 679                 NextBd = ArcDisk->ListEntry.Flink;
 680         }
 681 }
 682
 683