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     /* Set headless block pointer */
 208     extern HEADLESS_LOADER_BLOCK LoaderRedirectionInformation;
 209     extern BOOLEAN WinLdrTerminalConnected;
 210     if (WinLdrTerminalConnected)
 211     {
 212         Extension->HeadlessLoaderBlock = MmHeapAlloc(sizeof(HEADLESS_LOADER_BLOCK));
 213         if (Extension->HeadlessLoaderBlock == NULL)
 214         {
 215             UiMessageBox("Failed to allocate HLB Extension!");
 216             while (TRUE);
 217             return;
 218         }
 219         RtlCopyMemory(
 220             Extension->HeadlessLoaderBlock,
 221             &LoaderRedirectionInformation,
 222             sizeof(HEADLESS_LOADER_BLOCK));
 223         Extension->HeadlessLoaderBlock = PaToVa(Extension->HeadlessLoaderBlock);
 224     }
 225
 226         /* Load drivers database */
 227         strcpy(MiscFiles, BootPath);
 228         strcat(MiscFiles, "AppPatch\\drvmain.sdb");
 229         Extension->DrvDBImage = PaToVa(WinLdrLoadModule(MiscFiles,
 230                 &Extension->DrvDBSize, LoaderRegistryData));
 231
 232         /* Convert extension and setup block pointers */
 233         LoaderBlock->Extension = PaToVa(Extension);
 234
 235         if (LoaderBlock->SetupLdrBlock)
 236                 LoaderBlock->SetupLdrBlock = PaToVa(LoaderBlock->SetupLdrBlock);
 237
 238 }
 239
 240 BOOLEAN
 241 WinLdrLoadDeviceDriver(PLOADER_PARAMETER_BLOCK LoaderBlock,
 242                        LPSTR BootPath,
 243                        PUNICODE_STRING FilePath,
 244                        ULONG Flags,
 245                        PLDR_DATA_TABLE_ENTRY *DriverDTE)
 246 {
 247         CHAR FullPath[1024];
 248         CHAR DriverPath[1024];
 249         CHAR DllName[1024];
 250         PCHAR DriverNamePos;
 251         BOOLEAN Status;
 252         PVOID DriverBase;
 253
 254         // Separate the path to file name and directory path
 255         _snprintf(DriverPath, sizeof(DriverPath), "%wZ", FilePath);
 256         DriverNamePos = strrchr(DriverPath, '\\');
 257         if (DriverNamePos != NULL)
 258         {
 259                 // Copy the name
 260                 strcpy(DllName, DriverNamePos+1);
 261
 262                 // Cut out the name from the path
 263                 *(DriverNamePos+1) = 0;
 264         }
 265         else
 266         {
 267                 // There is no directory in the path
 268                 strcpy(DllName, DriverPath);
 269                 DriverPath[0] = 0;
 270         }
 271
 272         DPRINTM(DPRINT_WINDOWS, "DriverPath: %s, DllName: %s, LPB %p\n", DriverPath, DllName, LoaderBlock);
 273
 274
 275         // Check if driver is already loaded
 276         Status = WinLdrCheckForLoadedDll(LoaderBlock, DllName, DriverDTE);
 277         if (Status)
 278         {
 279                 // We've got the pointer to its DTE, just return success
 280                 return TRUE;
 281         }
 282
 283         // It's not loaded, we have to load it
 284         _snprintf(FullPath, sizeof(FullPath), "%s%wZ", BootPath, FilePath);
 285         Status = WinLdrLoadImage(FullPath, LoaderBootDriver, &DriverBase);
 286         if (!Status)
 287                 return FALSE;
 288
 289         // Allocate a DTE for it
 290         Status = WinLdrAllocateDataTableEntry(LoaderBlock, DllName, DllName, DriverBase, DriverDTE);
 291         if (!Status)
 292         {
 293                 DPRINTM(DPRINT_WINDOWS, "WinLdrAllocateDataTableEntry() failed\n");
 294                 return FALSE;
 295         }
 296
 297         // Modify any flags, if needed
 298         (*DriverDTE)->Flags |= Flags;
 299
 300         // Look for any dependencies it may have, and load them too
 301         sprintf(FullPath,"%s%s", BootPath, DriverPath);
 302         Status = WinLdrScanImportDescriptorTable(LoaderBlock, FullPath, *DriverDTE);
 303         if (!Status)
 304         {
 305                 DPRINTM(DPRINT_WINDOWS, "WinLdrScanImportDescriptorTable() failed for %s\n",
 306                         FullPath);
 307                 return FALSE;
 308         }
 309
 310         return TRUE;
 311 }
 312
 313 BOOLEAN
 314 WinLdrLoadBootDrivers(PLOADER_PARAMETER_BLOCK LoaderBlock,
 315                       LPSTR BootPath)
 316 {
 317         PLIST_ENTRY NextBd;
 318         PBOOT_DRIVER_LIST_ENTRY BootDriver;
 319         BOOLEAN Status;
 320
 321         // Walk through the boot drivers list
 322         NextBd = LoaderBlock->BootDriverListHead.Flink;
 323
 324         while (NextBd != &LoaderBlock->BootDriverListHead)
 325         {
 326                 BootDriver = CONTAINING_RECORD(NextBd, BOOT_DRIVER_LIST_ENTRY, Link);
 327
 328                 DPRINTM(DPRINT_WINDOWS, "BootDriver %wZ DTE %08X RegPath: %wZ\n", &BootDriver->FilePath,
 329                         BootDriver->LdrEntry, &BootDriver->RegistryPath);
 330
 331                 // Paths are relative (FIXME: Are they always relative?)
 332
 333                 // Load it
 334                 Status = WinLdrLoadDeviceDriver(LoaderBlock, BootPath, &BootDriver->FilePath,
 335                         0, &BootDriver->LdrEntry);
 336
 337                 // If loading failed - cry loudly
 338                 //FIXME: Maybe remove it from the list and try to continue?
 339                 if (!Status)
 340                 {
 341                         UiMessageBox("Can't load boot driver!");
 342                         return FALSE;
 343                 }
 344
 345                 // Convert the RegistryPath and DTE addresses to VA since we are not going to use it anymore
 346                 BootDriver->RegistryPath.Buffer = PaToVa(BootDriver->RegistryPath.Buffer);
 347                 BootDriver->FilePath.Buffer = PaToVa(BootDriver->FilePath.Buffer);
 348                 BootDriver->LdrEntry = PaToVa(BootDriver->LdrEntry);
 349
 350                 NextBd = BootDriver->Link.Flink;
 351         }
 352
 353         return TRUE;
 354 }
 355
 356 PVOID WinLdrLoadModule(PCSTR ModuleName, ULONG *Size,
 357                                            TYPE_OF_MEMORY MemoryType)
 358 {
 359         ULONG FileId;
 360         PVOID PhysicalBase;
 361         FILEINFORMATION FileInfo;
 362         ULONG FileSize;
 363         ULONG Status;
 364         ULONG BytesRead;
 365
 366         //CHAR ProgressString[256];
 367
 368         /* Inform user we are loading files */
 369         //sprintf(ProgressString, "Loading %s...", FileName);
 370         //UiDrawProgressBarCenter(1, 100, ProgressString);
 371
 372         DPRINTM(DPRINT_WINDOWS, "Loading module %s\n", ModuleName);
 373         *Size = 0;
 374
 375         /* Open the image file */
 376         Status = ArcOpen((PCHAR)ModuleName, OpenReadOnly, &FileId);
 377         if (Status != ESUCCESS)
 378         {
 379                 /* In case of errors, we just return, without complaining to the user */
 380                 return NULL;
 381         }
 382
 383         /* Get this file's size */
 384         Status = ArcGetFileInformation(FileId, &FileInfo);
 385         if (Status != ESUCCESS)
 386         {
 387                 ArcClose(FileId);
 388                 return NULL;
 389         }
 390         FileSize = FileInfo.EndingAddress.LowPart;
 391         *Size = FileSize;
 392
 393         /* Allocate memory */
 394         PhysicalBase = MmAllocateMemoryWithType(FileSize, MemoryType);
 395         if (PhysicalBase == NULL)
 396         {
 397                 ArcClose(FileId);
 398                 return NULL;
 399         }
 400
 401         /* Load whole file */
 402         Status = ArcRead(FileId, PhysicalBase, FileSize, &BytesRead);
 403         ArcClose(FileId);
 404         if (Status != ESUCCESS)
 405         {
 406                 return NULL;
 407         }
 408
 409         DPRINTM(DPRINT_WINDOWS, "Loaded %s at 0x%x with size 0x%x\n", ModuleName, PhysicalBase, FileSize);
 410
 411         return PhysicalBase;
 412 }
 413
 414
 415 USHORT
 416 WinLdrDetectVersion()
 417 {
 418         LONG rc;
 419         FRLDRHKEY hKey;
 420
 421         rc = RegOpenKey(
 422                 NULL,
 423                 L"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Control\\Terminal Server",
 424                 &hKey);
 425         if (rc != ERROR_SUCCESS)
 426         {
 427                 // Key doesn't exist; assume NT 4.0
 428                 return _WIN32_WINNT_NT4;
 429         }
 430
 431         // We may here want to read the value of ProductVersion
 432         return _WIN32_WINNT_WS03;
 433 }
 434
 435
 436 VOID
 437 LoadAndBootWindows(PCSTR OperatingSystemName,
 438                    PSTR SettingsValue,
 439                    USHORT OperatingSystemVersion)
 440 {
 441         BOOLEAN HasSection;
 442         char  FullPath[MAX_PATH], SystemRoot[MAX_PATH], BootPath[MAX_PATH];
 443         CHAR  FileName[MAX_PATH];
 444         CHAR  BootOptions[256];
 445         PCHAR File;
 446         PCHAR PathSeparator;
 447         PVOID NtosBase = NULL, HalBase = NULL, KdComBase = NULL;
 448         BOOLEAN Status;
 449         ULONG_PTR SectionId;
 450         PLOADER_PARAMETER_BLOCK LoaderBlock, LoaderBlockVA;
 451         KERNEL_ENTRY_POINT KiSystemStartup;
 452         PLDR_DATA_TABLE_ENTRY KernelDTE, HalDTE, KdComDTE = NULL;
 453         // Mm-related things
 454         PVOID GdtIdt;
 455         ULONG PcrBasePage=0;
 456         ULONG TssBasePage=0;
 457
 458         // Open the operating system section
 459         // specified in the .ini file
 460         HasSection = IniOpenSection(OperatingSystemName, &SectionId);
 461
 462         UiDrawBackdrop();
 463         UiDrawStatusText("Detecting Hardware...");
 464         UiDrawProgressBarCenter(1, 100, "Loading NT...");
 465
 466         /* Read the system path is set in the .ini file */
 467         if (!HasSection || !IniReadSettingByName(SectionId, "SystemPath", FullPath, sizeof(FullPath)))
 468         {
 469                 strcpy(FullPath, OperatingSystemName);
 470         }
 471
 472         /* Special case for LiveCD */
 473         if (!_strnicmp(FullPath, "LiveCD", strlen("LiveCD")))
 474         {
 475                 strcpy(BootPath, FullPath + strlen("LiveCD"));
 476                 MachDiskGetBootPath(FullPath, sizeof(FullPath));
 477                 strcat(FullPath, BootPath);
 478         }
 479
 480         /* Convert FullPath to SystemRoot */
 481         PathSeparator = strstr(FullPath, "\\");
 482         strcpy(SystemRoot, PathSeparator);
 483         strcat(SystemRoot, "\\");
 484
 485         /* Read booting options */
 486         if (!HasSection || !IniReadSettingByName(SectionId, "Options", BootOptions, sizeof(BootOptions)))
 487         {
 488                 /* Get options after the title */
 489                 const CHAR*p = SettingsValue;
 490                 while (*p == ' ' || *p == '"')
 491                         p++;
 492                 while (*p != '\0' && *p != '"')
 493                         p++;
 494                 strcpy(BootOptions, p);
 495                 DPRINTM(DPRINT_WINDOWS,"BootOptions: '%s'\n", BootOptions);
 496         }
 497
 498         /* Append boot-time options */
 499         AppendBootTimeOptions(BootOptions);
 500
 501         //
 502         // Check if a ramdisk file was given
 503         //
 504         File = strstr(BootOptions, "/RDPATH=");
 505         if (File)
 506         {
 507                 //
 508                 // Copy the file name and everything else after it
 509                 //
 510                 strcpy(FileName, File + 8);
 511
 512                 //
 513                 // Null-terminate
 514                 //
 515                 *strstr(FileName, " ") = ANSI_NULL;
 516
 517                 //
 518                 // Load the ramdisk
 519                 //
 520                 RamDiskLoadVirtualFile(FileName);
 521         }
 522
 523         /* Let user know we started loading */
 524         UiDrawStatusText("Loading...");
 525
 526         /* append a backslash */
 527         strcpy(BootPath, FullPath);
 528         if ((strlen(BootPath)==0) ||
 529             BootPath[strlen(BootPath)] != '\\')
 530                 strcat(BootPath, "\\");
 531
 532         DPRINTM(DPRINT_WINDOWS,"BootPath: '%s'\n", BootPath);
 533
 534         /* Allocate and minimalistic-initialize LPB */
 535         AllocateAndInitLPB(&LoaderBlock);
 536
 537         /* Setup redirection support */
 538         extern void WinLdrSetupEms(IN PCHAR BootOptions);
 539         WinLdrSetupEms(BootOptions);
 540
 541         /* Detect hardware */
 542         UseRealHeap = TRUE;
 543         LoaderBlock->ConfigurationRoot = MachHwDetect();
 544
 545         /* Load Hive */
 546         Status = WinLdrInitSystemHive(LoaderBlock, BootPath);
 547         DPRINTM(DPRINT_WINDOWS, "SYSTEM hive loaded with status %d\n", Status);
 548
 549         if (OperatingSystemVersion == 0)
 550                 OperatingSystemVersion = WinLdrDetectVersion();
 551
 552         /* Load kernel */
 553         strcpy(FileName, BootPath);
 554         strcat(FileName, "SYSTEM32\\NTOSKRNL.EXE");
 555         Status = WinLdrLoadImage(FileName, LoaderSystemCode, &NtosBase);
 556         DPRINTM(DPRINT_WINDOWS, "Ntos loaded with status %d at %p\n", Status, NtosBase);
 557
 558         /* Load HAL */
 559         strcpy(FileName, BootPath);
 560         strcat(FileName, "SYSTEM32\\HAL.DLL");
 561         Status = WinLdrLoadImage(FileName, LoaderHalCode, &HalBase);
 562         DPRINTM(DPRINT_WINDOWS, "HAL loaded with status %d at %p\n", Status, HalBase);
 563
 564         /* Load kernel-debugger support dll */
 565         if (OperatingSystemVersion > _WIN32_WINNT_WIN2K)
 566         {
 567                 strcpy(FileName, BootPath);
 568                 strcat(FileName, "SYSTEM32\\KDCOM.DLL");
 569                 Status = WinLdrLoadImage(FileName, LoaderBootDriver, &KdComBase);
 570                 DPRINTM(DPRINT_WINDOWS, "KdCom loaded with status %d at %p\n", Status, KdComBase);
 571         }
 572
 573         /* Allocate data table entries for above-loaded modules */
 574         WinLdrAllocateDataTableEntry(LoaderBlock, "ntoskrnl.exe",
 575                 "WINDOWS\\SYSTEM32\\NTOSKRNL.EXE", NtosBase, &KernelDTE);
 576         WinLdrAllocateDataTableEntry(LoaderBlock, "hal.dll",
 577                 "WINDOWS\\SYSTEM32\\HAL.DLL", HalBase, &HalDTE);
 578         if (OperatingSystemVersion > _WIN32_WINNT_WIN2K)
 579         {
 580                 WinLdrAllocateDataTableEntry(LoaderBlock, "kdcom.dll",
 581                         "WINDOWS\\SYSTEM32\\KDCOM.DLL", KdComBase, &KdComDTE);
 582         }
 583
 584         /* Load all referenced DLLs for kernel, HAL and kdcom.dll */
 585         strcpy(FileName, BootPath);
 586         strcat(FileName, "SYSTEM32\\");
 587         WinLdrScanImportDescriptorTable(LoaderBlock, FileName, KernelDTE);
 588         WinLdrScanImportDescriptorTable(LoaderBlock, FileName, HalDTE);
 589         if (KdComDTE)
 590                 WinLdrScanImportDescriptorTable(LoaderBlock, FileName, KdComDTE);
 591
 592         /* Load NLS data, OEM font, and prepare boot drivers list */
 593         Status = WinLdrScanSystemHive(LoaderBlock, BootPath);
 594         DPRINTM(DPRINT_WINDOWS, "SYSTEM hive scanned with status %d\n", Status);
 595
 596         /* Load boot drivers */
 597         Status = WinLdrLoadBootDrivers(LoaderBlock, BootPath);
 598         DPRINTM(DPRINT_WINDOWS, "Boot drivers loaded with status %d\n", Status);
 599
 600         /* Alloc PCR, TSS, do magic things with the GDT/IDT */
 601         WinLdrSetupForNt(LoaderBlock, &GdtIdt, &PcrBasePage, &TssBasePage);
 602
 603         /* Initialize Phase 1 - no drivers loading anymore */
 604         WinLdrInitializePhase1(LoaderBlock, BootOptions, SystemRoot, BootPath, OperatingSystemVersion);
 605
 606         /* Save entry-point pointer and Loader block VAs */
 607         KiSystemStartup = (KERNEL_ENTRY_POINT)KernelDTE->EntryPoint;
 608         LoaderBlockVA = PaToVa(LoaderBlock);
 609
 610         /* "Stop all motors", change videomode */
 611         if (OperatingSystemVersion < _WIN32_WINNT_WIN2K)
 612                 MachPrepareForReactOS(TRUE);
 613         else
 614                 MachPrepareForReactOS(FALSE);
 615
 616         /* Debugging... */
 617         //DumpMemoryAllocMap();
 618
 619         /* Turn on paging mode of CPU*/
 620         WinLdrTurnOnPaging(LoaderBlock, PcrBasePage, TssBasePage, GdtIdt);
 621
 622         /* Save final value of LoaderPagesSpanned */
 623         LoaderBlockVA->Extension->LoaderPagesSpanned = LoaderPagesSpanned;
 624
 625         DPRINTM(DPRINT_WINDOWS, "Hello from paged mode, KiSystemStartup %p, LoaderBlockVA %p!\n",
 626                 KiSystemStartup, LoaderBlockVA);
 627
 628         WinLdrpDumpMemoryDescriptors(LoaderBlockVA);
 629         WinLdrpDumpBootDriver(LoaderBlockVA);
 630         WinLdrpDumpArcDisks(LoaderBlockVA);
 631
 632         //FIXME: If I substitute this debugging checkpoint, GCC will "optimize away" the code below
 633         //while (1) {};
 634         /*asm(".intel_syntax noprefix\n");
 635                 asm("test1:\n");
 636                 asm("jmp test1\n");
 637         asm(".att_syntax\n");*/
 638
 639         /* Pass control */
 640         (*KiSystemStartup)(LoaderBlockVA);
 641
 642         return;
 643 }
 644
 645 VOID
 646 WinLdrpDumpMemoryDescriptors(PLOADER_PARAMETER_BLOCK LoaderBlock)
 647 {
 648         PLIST_ENTRY NextMd;
 649         PMEMORY_ALLOCATION_DESCRIPTOR MemoryDescriptor;
 650
 651         NextMd = LoaderBlock->MemoryDescriptorListHead.Flink;
 652
 653         while (NextMd != &LoaderBlock->MemoryDescriptorListHead)
 654         {
 655                 MemoryDescriptor = CONTAINING_RECORD(NextMd, MEMORY_ALLOCATION_DESCRIPTOR, ListEntry);
 656
 657                 DPRINTM(DPRINT_WINDOWS, "BP %08X PC %04X MT %d\n", MemoryDescriptor->BasePage,
 658                         MemoryDescriptor->PageCount, MemoryDescriptor->MemoryType);
 659
 660                 NextMd = MemoryDescriptor->ListEntry.Flink;
 661         }
 662 }
 663
 664 VOID
 665 WinLdrpDumpBootDriver(PLOADER_PARAMETER_BLOCK LoaderBlock)
 666 {
 667         PLIST_ENTRY NextBd;
 668         PBOOT_DRIVER_LIST_ENTRY BootDriver;
 669
 670         NextBd = LoaderBlock->BootDriverListHead.Flink;
 671
 672         while (NextBd != &LoaderBlock->BootDriverListHead)
 673         {
 674                 BootDriver = CONTAINING_RECORD(NextBd, BOOT_DRIVER_LIST_ENTRY, Link);
 675
 676                 DPRINTM(DPRINT_WINDOWS, "BootDriver %wZ DTE %08X RegPath: %wZ\n", &BootDriver->FilePath,
 677                         BootDriver->LdrEntry, &BootDriver->RegistryPath);
 678
 679                 NextBd = BootDriver->Link.Flink;
 680         }
 681 }
 682
 683 VOID
 684 WinLdrpDumpArcDisks(PLOADER_PARAMETER_BLOCK LoaderBlock)
 685 {
 686         PLIST_ENTRY NextBd;
 687         PARC_DISK_SIGNATURE ArcDisk;
 688
 689         NextBd = LoaderBlock->ArcDiskInformation->DiskSignatureListHead.Flink;
 690
 691         while (NextBd != &LoaderBlock->ArcDiskInformation->DiskSignatureListHead)
 692         {
 693                 ArcDisk = CONTAINING_RECORD(NextBd, ARC_DISK_SIGNATURE, ListEntry);
 694
 695                 DPRINTM(DPRINT_WINDOWS, "ArcDisk %s checksum: 0x%X, signature: 0x%X\n",
 696                         ArcDisk->ArcName, ArcDisk->CheckSum, ArcDisk->Signature);
 697
 698                 NextBd = ArcDisk->ListEntry.Flink;
 699         }
 700 }
 701
 702