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 extern HEADLESS_LOADER_BLOCK LoaderRedirectionInformation;
  43 extern BOOLEAN WinLdrTerminalConnected;
  44 extern void WinLdrSetupEms(IN PCHAR BootOptions);
  45
  46 BOOLEAN
  47 WinLdrCheckForLoadedDll(IN OUT PLOADER_PARAMETER_BLOCK WinLdrBlock,
  48                         IN PCH DllName,
  49                         OUT PLDR_DATA_TABLE_ENTRY *LoadedEntry);
  50
  51 // debug stuff
  52 VOID DumpMemoryAllocMap(VOID);
  53 VOID WinLdrpDumpMemoryDescriptors(PLOADER_PARAMETER_BLOCK LoaderBlock);
  54 VOID WinLdrpDumpBootDriver(PLOADER_PARAMETER_BLOCK LoaderBlock);
  55 VOID WinLdrpDumpArcDisks(PLOADER_PARAMETER_BLOCK LoaderBlock);
  56
  57
  58 // Init "phase 0"
  59 VOID
  60 AllocateAndInitLPB(PLOADER_PARAMETER_BLOCK *OutLoaderBlock)
  61 {
  62         PLOADER_PARAMETER_BLOCK LoaderBlock;
  63
  64         /* Allocate and zero-init the LPB */
  65         LoaderBlock = MmHeapAlloc(sizeof(LOADER_PARAMETER_BLOCK));
  66         RtlZeroMemory(LoaderBlock, sizeof(LOADER_PARAMETER_BLOCK));
  67
  68         /* Init three critical lists, used right away */
  69         InitializeListHead(&LoaderBlock->LoadOrderListHead);
  70         InitializeListHead(&LoaderBlock->MemoryDescriptorListHead);
  71         InitializeListHead(&LoaderBlock->BootDriverListHead);
  72
  73         /* Alloc space for NLS (it will be converted to VA in WinLdrLoadNLS) */
  74         LoaderBlock->NlsData = MmHeapAlloc(sizeof(NLS_DATA_BLOCK));
  75         if (LoaderBlock->NlsData == NULL)
  76         {
  77                 UiMessageBox("Failed to allocate memory for NLS table data!");
  78                 return;
  79         }
  80         RtlZeroMemory(LoaderBlock->NlsData, sizeof(NLS_DATA_BLOCK));
  81
  82         *OutLoaderBlock = LoaderBlock;
  83 }
  84
  85 // Init "phase 1"
  86 VOID
  87 WinLdrInitializePhase1(PLOADER_PARAMETER_BLOCK LoaderBlock,
  88                        PCHAR Options,
  89                        PCHAR SystemRoot,
  90                        PCHAR BootPath,
  91                        USHORT VersionToBoot)
  92 {
  93         /* Examples of correct options and paths */
  94         //CHAR  Options[] = "/DEBUGPORT=COM1 /BAUDRATE=115200";
  95         //CHAR  Options[] = "/NODEBUG";
  96         //CHAR  SystemRoot[] = "\\WINNT\\";
  97         //CHAR  ArcBoot[] = "multi(0)disk(0)rdisk(0)partition(1)";
  98
  99         CHAR    HalPath[] = "\\";
 100         CHAR    ArcBoot[256];
 101         CHAR    MiscFiles[256];
 102         ULONG i, PathSeparator;
 103         PLOADER_PARAMETER_EXTENSION Extension;
 104
 105         /* Construct SystemRoot and ArcBoot from SystemPath */
 106         PathSeparator = strstr(BootPath, "\\") - BootPath;
 107         strncpy(ArcBoot, BootPath, PathSeparator);
 108         ArcBoot[PathSeparator] = 0;
 109
 110         DPRINTM(DPRINT_WINDOWS, "ArcBoot: %s\n", ArcBoot);
 111         DPRINTM(DPRINT_WINDOWS, "SystemRoot: %s\n", SystemRoot);
 112         DPRINTM(DPRINT_WINDOWS, "Options: %s\n", Options);
 113
 114         /* Fill Arc BootDevice */
 115         LoaderBlock->ArcBootDeviceName = MmHeapAlloc(strlen(ArcBoot)+1);
 116         strcpy(LoaderBlock->ArcBootDeviceName, ArcBoot);
 117         LoaderBlock->ArcBootDeviceName = PaToVa(LoaderBlock->ArcBootDeviceName);
 118
 119         /* Fill Arc HalDevice, it matches ArcBoot path */
 120         LoaderBlock->ArcHalDeviceName = MmHeapAlloc(strlen(ArcBoot)+1);
 121         strcpy(LoaderBlock->ArcHalDeviceName, ArcBoot);
 122         LoaderBlock->ArcHalDeviceName = PaToVa(LoaderBlock->ArcHalDeviceName);
 123
 124         /* Fill SystemRoot */
 125         LoaderBlock->NtBootPathName = MmHeapAlloc(strlen(SystemRoot)+1);
 126         strcpy(LoaderBlock->NtBootPathName, SystemRoot);
 127         LoaderBlock->NtBootPathName = PaToVa(LoaderBlock->NtBootPathName);
 128
 129         /* Fill NtHalPathName */
 130         LoaderBlock->NtHalPathName = MmHeapAlloc(strlen(HalPath)+1);
 131         strcpy(LoaderBlock->NtHalPathName, HalPath);
 132         LoaderBlock->NtHalPathName = PaToVa(LoaderBlock->NtHalPathName);
 133
 134         /* Fill load options */
 135         LoaderBlock->LoadOptions = MmHeapAlloc(strlen(Options)+1);
 136         strcpy(LoaderBlock->LoadOptions, Options);
 137         LoaderBlock->LoadOptions = PaToVa(LoaderBlock->LoadOptions);
 138
 139         /* Arc devices */
 140         LoaderBlock->ArcDiskInformation = (PARC_DISK_INFORMATION)MmHeapAlloc(sizeof(ARC_DISK_INFORMATION));
 141         InitializeListHead(&LoaderBlock->ArcDiskInformation->DiskSignatureListHead);
 142
 143         /* Convert ARC disk information from freeldr to a correct format */
 144         for (i = 0; i < reactos_disk_count; i++)
 145         {
 146                 PARC_DISK_SIGNATURE ArcDiskInfo;
 147
 148                 /* Get the ARC structure */
 149                 ArcDiskInfo = (PARC_DISK_SIGNATURE)MmHeapAlloc(sizeof(ARC_DISK_SIGNATURE));
 150                 RtlZeroMemory(ArcDiskInfo, sizeof(ARC_DISK_SIGNATURE));
 151
 152                 /* Copy the data over */
 153                 ArcDiskInfo->Signature = reactos_arc_disk_info[i].Signature;
 154                 ArcDiskInfo->CheckSum = reactos_arc_disk_info[i].CheckSum;
 155
 156                 /* Copy the ARC Name */
 157                 ArcDiskInfo->ArcName = (PCHAR)MmHeapAlloc(sizeof(CHAR)*256);
 158                 strcpy(ArcDiskInfo->ArcName, reactos_arc_disk_info[i].ArcName);
 159                 ArcDiskInfo->ArcName = (PCHAR)PaToVa(ArcDiskInfo->ArcName);
 160
 161                 /* Mark partition table as valid */
 162                 ArcDiskInfo->ValidPartitionTable = TRUE;
 163
 164                 /* Insert into the list */
 165                 InsertTailList(&LoaderBlock->ArcDiskInformation->DiskSignatureListHead,
 166                         &ArcDiskInfo->ListEntry);
 167         }
 168
 169         /* Convert all list's to Virtual address */
 170
 171         /* Convert the ArcDisks list to virtual address */
 172         List_PaToVa(&LoaderBlock->ArcDiskInformation->DiskSignatureListHead);
 173         LoaderBlock->ArcDiskInformation = PaToVa(LoaderBlock->ArcDiskInformation);
 174
 175         /* Convert configuration entries to VA */
 176         ConvertConfigToVA(LoaderBlock->ConfigurationRoot);
 177         LoaderBlock->ConfigurationRoot = PaToVa(LoaderBlock->ConfigurationRoot);
 178
 179         /* Convert all DTE into virtual addresses */
 180         List_PaToVa(&LoaderBlock->LoadOrderListHead);
 181
 182         /* this one will be converted right before switching to
 183            virtual paging mode */
 184         //List_PaToVa(&LoaderBlock->MemoryDescriptorListHead);
 185
 186         /* Convert list of boot drivers */
 187         List_PaToVa(&LoaderBlock->BootDriverListHead);
 188
 189         /* Initialize Extension now */
 190         Extension = MmHeapAlloc(sizeof(LOADER_PARAMETER_EXTENSION));
 191         if (Extension == NULL)
 192         {
 193                 UiMessageBox("Failed to allocate LPB Extension!");
 194                 return;
 195         }
 196         RtlZeroMemory(Extension, sizeof(LOADER_PARAMETER_EXTENSION));
 197
 198         /* Fill LPB extension */
 199         Extension->Size = sizeof(LOADER_PARAMETER_EXTENSION);
 200         Extension->MajorVersion = (VersionToBoot & 0xFF00) >> 8;
 201         Extension->MinorVersion = VersionToBoot & 0xFF;
 202         Extension->Profile.Status = 2;
 203
 204         /* Check if ACPI is present */
 205         if (AcpiPresent)
 206         {
 207                 /* See KiRosFrldrLpbToNtLpb for details */
 208                 Extension->AcpiTable = (PVOID)1;
 209         }
 210
 211 #ifdef _M_IX86
 212     /* Set headless block pointer */
 213     if (WinLdrTerminalConnected)
 214     {
 215         Extension->HeadlessLoaderBlock = MmHeapAlloc(sizeof(HEADLESS_LOADER_BLOCK));
 216         if (Extension->HeadlessLoaderBlock == NULL)
 217         {
 218             UiMessageBox("Failed to allocate HLB Extension!");
 219             while (TRUE);
 220             return;
 221         }
 222         RtlCopyMemory(
 223             Extension->HeadlessLoaderBlock,
 224             &LoaderRedirectionInformation,
 225             sizeof(HEADLESS_LOADER_BLOCK));
 226         Extension->HeadlessLoaderBlock = PaToVa(Extension->HeadlessLoaderBlock);
 227     }
 228 #endif
 229         /* Load drivers database */
 230         strcpy(MiscFiles, BootPath);
 231         strcat(MiscFiles, "AppPatch\\drvmain.sdb");
 232         Extension->DrvDBImage = PaToVa(WinLdrLoadModule(MiscFiles,
 233                 &Extension->DrvDBSize, LoaderRegistryData));
 234
 235         /* Convert extension and setup block pointers */
 236         LoaderBlock->Extension = PaToVa(Extension);
 237
 238         if (LoaderBlock->SetupLdrBlock)
 239                 LoaderBlock->SetupLdrBlock = PaToVa(LoaderBlock->SetupLdrBlock);
 240
 241 }
 242
 243 BOOLEAN
 244 WinLdrLoadDeviceDriver(PLOADER_PARAMETER_BLOCK LoaderBlock,
 245                        LPSTR BootPath,
 246                        PUNICODE_STRING FilePath,
 247                        ULONG Flags,
 248                        PLDR_DATA_TABLE_ENTRY *DriverDTE)
 249 {
 250         CHAR FullPath[1024];
 251         CHAR DriverPath[1024];
 252         CHAR DllName[1024];
 253         PCHAR DriverNamePos;
 254         BOOLEAN Status;
 255         PVOID DriverBase;
 256
 257         // Separate the path to file name and directory path
 258         _snprintf(DriverPath, sizeof(DriverPath), "%wZ", FilePath);
 259         DriverNamePos = strrchr(DriverPath, '\\');
 260         if (DriverNamePos != NULL)
 261         {
 262                 // Copy the name
 263                 strcpy(DllName, DriverNamePos+1);
 264
 265                 // Cut out the name from the path
 266                 *(DriverNamePos+1) = 0;
 267         }
 268         else
 269         {
 270                 // There is no directory in the path
 271                 strcpy(DllName, DriverPath);
 272                 DriverPath[0] = 0;
 273         }
 274
 275         DPRINTM(DPRINT_WINDOWS, "DriverPath: %s, DllName: %s, LPB %p\n", DriverPath, DllName, LoaderBlock);
 276
 277
 278         // Check if driver is already loaded
 279         Status = WinLdrCheckForLoadedDll(LoaderBlock, DllName, DriverDTE);
 280         if (Status)
 281         {
 282                 // We've got the pointer to its DTE, just return success
 283                 return TRUE;
 284         }
 285
 286         // It's not loaded, we have to load it
 287         strcpy(FullPath, "\\ArcName\\");
 288         _snprintf(FullPath+strlen("\\ArcName\\"), sizeof(FullPath), "%s%wZ", BootPath, FilePath);
 289         Status = WinLdrLoadImage(FullPath+strlen("\\ArcName\\"), LoaderBootDriver, &DriverBase);
 290         if (!Status)
 291                 return FALSE;
 292
 293         // Allocate a DTE for it
 294         Status = WinLdrAllocateDataTableEntry(LoaderBlock, DllName, FullPath, DriverBase, DriverDTE);
 295         if (!Status)
 296         {
 297                 DPRINTM(DPRINT_WINDOWS, "WinLdrAllocateDataTableEntry() failed\n");
 298                 return FALSE;
 299         }
 300
 301         // Modify any flags, if needed
 302         (*DriverDTE)->Flags |= Flags;
 303
 304         // Look for any dependencies it may have, and load them too
 305         sprintf(FullPath,"%s%s", BootPath, DriverPath);
 306         Status = WinLdrScanImportDescriptorTable(LoaderBlock, FullPath, *DriverDTE);
 307         if (!Status)
 308         {
 309                 DPRINTM(DPRINT_WINDOWS, "WinLdrScanImportDescriptorTable() failed for %s\n",
 310                         FullPath);
 311                 return FALSE;
 312         }
 313
 314         return TRUE;
 315 }
 316
 317 BOOLEAN
 318 WinLdrLoadBootDrivers(PLOADER_PARAMETER_BLOCK LoaderBlock,
 319                       LPSTR BootPath)
 320 {
 321         PLIST_ENTRY NextBd;
 322         PBOOT_DRIVER_LIST_ENTRY BootDriver;
 323         BOOLEAN Status;
 324
 325         // Walk through the boot drivers list
 326         NextBd = LoaderBlock->BootDriverListHead.Flink;
 327
 328         while (NextBd != &LoaderBlock->BootDriverListHead)
 329         {
 330                 BootDriver = CONTAINING_RECORD(NextBd, BOOT_DRIVER_LIST_ENTRY, Link);
 331
 332                 DPRINTM(DPRINT_WINDOWS, "BootDriver %wZ DTE %08X RegPath: %wZ\n", &BootDriver->FilePath,
 333                         BootDriver->LdrEntry, &BootDriver->RegistryPath);
 334
 335                 // Paths are relative (FIXME: Are they always relative?)
 336
 337                 // Load it
 338                 Status = WinLdrLoadDeviceDriver(LoaderBlock, BootPath, &BootDriver->FilePath,
 339                         0, &BootDriver->LdrEntry);
 340
 341                 // If loading failed - cry loudly
 342                 //FIXME: Maybe remove it from the list and try to continue?
 343                 if (!Status)
 344                 {
 345                         UiMessageBox("Can't load boot driver!");
 346                         return FALSE;
 347                 }
 348
 349                 // Convert the RegistryPath and DTE addresses to VA since we are not going to use it anymore
 350                 BootDriver->RegistryPath.Buffer = PaToVa(BootDriver->RegistryPath.Buffer);
 351                 BootDriver->FilePath.Buffer = PaToVa(BootDriver->FilePath.Buffer);
 352                 BootDriver->LdrEntry = PaToVa(BootDriver->LdrEntry);
 353
 354                 NextBd = BootDriver->Link.Flink;
 355         }
 356
 357         return TRUE;
 358 }
 359
 360 PVOID WinLdrLoadModule(PCSTR ModuleName, ULONG *Size,
 361                                            TYPE_OF_MEMORY MemoryType)
 362 {
 363         ULONG FileId;
 364         PVOID PhysicalBase;
 365         FILEINFORMATION FileInfo;
 366         ULONG FileSize;
 367         ULONG Status;
 368         ULONG BytesRead;
 369
 370         //CHAR ProgressString[256];
 371
 372         /* Inform user we are loading files */
 373         //sprintf(ProgressString, "Loading %s...", FileName);
 374         //UiDrawProgressBarCenter(1, 100, ProgressString);
 375
 376         DPRINTM(DPRINT_WINDOWS, "Loading module %s\n", ModuleName);
 377         *Size = 0;
 378
 379         /* Open the image file */
 380         Status = ArcOpen((PCHAR)ModuleName, OpenReadOnly, &FileId);
 381         if (Status != ESUCCESS)
 382         {
 383                 /* In case of errors, we just return, without complaining to the user */
 384                 return NULL;
 385         }
 386
 387         /* Get this file's size */
 388         Status = ArcGetFileInformation(FileId, &FileInfo);
 389         if (Status != ESUCCESS)
 390         {
 391                 ArcClose(FileId);
 392                 return NULL;
 393         }
 394         FileSize = FileInfo.EndingAddress.LowPart;
 395         *Size = FileSize;
 396
 397         /* Allocate memory */
 398         PhysicalBase = MmAllocateMemoryWithType(FileSize, MemoryType);
 399         if (PhysicalBase == NULL)
 400         {
 401                 ArcClose(FileId);
 402                 return NULL;
 403         }
 404
 405         /* Load whole file */
 406         Status = ArcRead(FileId, PhysicalBase, FileSize, &BytesRead);
 407         ArcClose(FileId);
 408         if (Status != ESUCCESS)
 409         {
 410                 return NULL;
 411         }
 412
 413         DPRINTM(DPRINT_WINDOWS, "Loaded %s at 0x%x with size 0x%x\n", ModuleName, PhysicalBase, FileSize);
 414
 415         return PhysicalBase;
 416 }
 417
 418
 419 USHORT
 420 WinLdrDetectVersion()
 421 {
 422         LONG rc;
 423         FRLDRHKEY hKey;
 424
 425         rc = RegOpenKey(
 426                 NULL,
 427                 L"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Control\\Terminal Server",
 428                 &hKey);
 429         if (rc != ERROR_SUCCESS)
 430         {
 431                 // Key doesn't exist; assume NT 4.0
 432                 return _WIN32_WINNT_NT4;
 433         }
 434
 435         // We may here want to read the value of ProductVersion
 436         return _WIN32_WINNT_WS03;
 437 }
 438
 439
 440 VOID
 441 LoadAndBootWindows(PCSTR OperatingSystemName,
 442                    PSTR SettingsValue,
 443                    USHORT OperatingSystemVersion)
 444 {
 445         BOOLEAN HasSection;
 446         char  FullPath[MAX_PATH], SystemRoot[MAX_PATH], BootPath[MAX_PATH];
 447         CHAR  FileName[MAX_PATH];
 448         CHAR  BootOptions[256];
 449         PCHAR File;
 450         PCHAR PathSeparator;
 451         PVOID NtosBase = NULL, HalBase = NULL, KdComBase = NULL;
 452         BOOLEAN Status;
 453         ULONG_PTR SectionId;
 454         PLOADER_PARAMETER_BLOCK LoaderBlock, LoaderBlockVA;
 455         KERNEL_ENTRY_POINT KiSystemStartup;
 456         PLDR_DATA_TABLE_ENTRY KernelDTE, HalDTE, KdComDTE = NULL;
 457         // Mm-related things
 458         PVOID GdtIdt;
 459         ULONG PcrBasePage=0;
 460         ULONG TssBasePage=0;
 461
 462         // Open the operating system section
 463         // specified in the .ini file
 464         HasSection = IniOpenSection(OperatingSystemName, &SectionId);
 465
 466         UiDrawBackdrop();
 467         UiDrawStatusText("Detecting Hardware...");
 468         UiDrawProgressBarCenter(1, 100, "Loading NT...");
 469
 470         /* Read the system path is set in the .ini file */
 471         if (!HasSection || !IniReadSettingByName(SectionId, "SystemPath", FullPath, sizeof(FullPath)))
 472         {
 473                 strcpy(FullPath, OperatingSystemName);
 474         }
 475
 476         /* Special case for LiveCD */
 477         if (!_strnicmp(FullPath, "LiveCD", strlen("LiveCD")))
 478         {
 479                 strcpy(BootPath, FullPath + strlen("LiveCD"));
 480                 MachDiskGetBootPath(FullPath, sizeof(FullPath));
 481                 strcat(FullPath, BootPath);
 482         }
 483
 484         /* Convert FullPath to SystemRoot */
 485         PathSeparator = strstr(FullPath, "\\");
 486         strcpy(SystemRoot, PathSeparator);
 487         strcat(SystemRoot, "\\");
 488
 489         /* Read booting options */
 490         if (!HasSection || !IniReadSettingByName(SectionId, "Options", BootOptions, sizeof(BootOptions)))
 491         {
 492                 /* Get options after the title */
 493                 const CHAR*p = SettingsValue;
 494                 while (*p == ' ' || *p == '"')
 495                         p++;
 496                 while (*p != '\0' && *p != '"')
 497                         p++;
 498                 strcpy(BootOptions, p);
 499                 DPRINTM(DPRINT_WINDOWS,"BootOptions: '%s'\n", BootOptions);
 500         }
 501
 502         /* Append boot-time options */
 503         AppendBootTimeOptions(BootOptions);
 504
 505         //
 506         // Check if a ramdisk file was given
 507         //
 508         File = strstr(BootOptions, "/RDPATH=");
 509         if (File)
 510         {
 511                 //
 512                 // Copy the file name and everything else after it
 513                 //
 514                 strcpy(FileName, File + 8);
 515
 516                 //
 517                 // Null-terminate
 518                 //
 519                 *strstr(FileName, " ") = ANSI_NULL;
 520
 521                 //
 522                 // Load the ramdisk
 523                 //
 524                 RamDiskLoadVirtualFile(FileName);
 525         }
 526
 527         /* Let user know we started loading */
 528         UiDrawStatusText("Loading...");
 529
 530         /* append a backslash */
 531         strcpy(BootPath, FullPath);
 532         if ((strlen(BootPath)==0) ||
 533             BootPath[strlen(BootPath)] != '\\')
 534                 strcat(BootPath, "\\");
 535
 536         DPRINTM(DPRINT_WINDOWS,"BootPath: '%s'\n", BootPath);
 537
 538         /* Allocate and minimalistic-initialize LPB */
 539         AllocateAndInitLPB(&LoaderBlock);
 540
 541 #ifdef _M_IX86
 542         /* Setup redirection support */
 543         WinLdrSetupEms(BootOptions);
 544 #endif
 545         /* Detect hardware */
 546         UseRealHeap = TRUE;
 547         LoaderBlock->ConfigurationRoot = MachHwDetect();
 548
 549         /* Load Hive */
 550         Status = WinLdrInitSystemHive(LoaderBlock, BootPath);
 551         DPRINTM(DPRINT_WINDOWS, "SYSTEM hive loaded with status %d\n", Status);
 552
 553         if (OperatingSystemVersion == 0)
 554                 OperatingSystemVersion = WinLdrDetectVersion();
 555
 556         strcpy(FileName, "\\ArcName\\");
 557
 558         /* Load kernel */
 559         strcpy(FileName+strlen("\\ArcName\\"), BootPath);
 560         strcat(FileName, "SYSTEM32\\NTOSKRNL.EXE");
 561         Status = WinLdrLoadImage(FileName+strlen("\\ArcName\\"), LoaderSystemCode, &NtosBase);
 562         DPRINTM(DPRINT_WINDOWS, "Ntos loaded with status %d at %p\n", Status, NtosBase);
 563         WinLdrAllocateDataTableEntry(LoaderBlock, "ntoskrnl.exe",
 564                 FileName, NtosBase, &KernelDTE);
 565
 566         /* Load HAL */
 567         strcpy(FileName+strlen("\\ArcName\\"), BootPath);
 568         strcat(FileName, "SYSTEM32\\HAL.DLL");
 569         Status = WinLdrLoadImage(FileName+strlen("\\ArcName\\"), LoaderHalCode, &HalBase);
 570         DPRINTM(DPRINT_WINDOWS, "HAL loaded with status %d at %p\n", Status, HalBase);
 571         WinLdrAllocateDataTableEntry(LoaderBlock, "hal.dll",
 572                 FileName, HalBase, &HalDTE);
 573
 574         /* Load kernel-debugger support dll */
 575         if (OperatingSystemVersion > _WIN32_WINNT_WIN2K)
 576         {
 577                 strcpy(FileName+strlen("\\ArcName\\"), BootPath);
 578                 strcat(FileName, "SYSTEM32\\KDCOM.DLL");
 579                 Status = WinLdrLoadImage(FileName+strlen("\\ArcName\\"), LoaderBootDriver, &KdComBase);
 580                 DPRINTM(DPRINT_WINDOWS, "KdCom loaded with status %d at %p\n", Status, KdComBase);
 581                 WinLdrAllocateDataTableEntry(LoaderBlock, "kdcom.dll",
 582                         FileName, KdComBase, &KdComDTE);
 583         }
 584
 585         /* Load all referenced DLLs for kernel, HAL and kdcom.dll */
 586         strcpy(FileName, BootPath);
 587         strcat(FileName, "SYSTEM32\\");
 588         WinLdrScanImportDescriptorTable(LoaderBlock, FileName, KernelDTE);
 589         WinLdrScanImportDescriptorTable(LoaderBlock, FileName, HalDTE);
 590         if (KdComDTE)
 591                 WinLdrScanImportDescriptorTable(LoaderBlock, FileName, KdComDTE);
 592
 593         /* Load NLS data, OEM font, and prepare boot drivers list */
 594         Status = WinLdrScanSystemHive(LoaderBlock, BootPath);
 595         DPRINTM(DPRINT_WINDOWS, "SYSTEM hive scanned with status %d\n", Status);
 596
 597         /* Load boot drivers */
 598         Status = WinLdrLoadBootDrivers(LoaderBlock, BootPath);
 599         DPRINTM(DPRINT_WINDOWS, "Boot drivers loaded with status %d\n", Status);
 600
 601         /* Alloc PCR, TSS, do magic things with the GDT/IDT */
 602         WinLdrSetupForNt(LoaderBlock, &GdtIdt, &PcrBasePage, &TssBasePage);
 603
 604         /* Initialize Phase 1 - no drivers loading anymore */
 605         WinLdrInitializePhase1(LoaderBlock, BootOptions, SystemRoot, BootPath, OperatingSystemVersion);
 606
 607         /* Save entry-point pointer and Loader block VAs */
 608         KiSystemStartup = (KERNEL_ENTRY_POINT)KernelDTE->EntryPoint;
 609         LoaderBlockVA = PaToVa(LoaderBlock);
 610
 611         /* "Stop all motors", change videomode */
 612         if (OperatingSystemVersion < _WIN32_WINNT_WIN2K)
 613                 MachPrepareForReactOS(TRUE);
 614         else
 615                 MachPrepareForReactOS(FALSE);
 616
 617         /* Debugging... */
 618         //DumpMemoryAllocMap();
 619
 620         /* Turn on paging mode of CPU*/
 621         WinLdrTurnOnPaging(LoaderBlock, PcrBasePage, TssBasePage, GdtIdt);
 622
 623         /* Save final value of LoaderPagesSpanned */
 624         LoaderBlockVA->Extension->LoaderPagesSpanned = LoaderPagesSpanned;
 625
 626         DPRINTM(DPRINT_WINDOWS, "Hello from paged mode, KiSystemStartup %p, LoaderBlockVA %p!\n",
 627                 KiSystemStartup, LoaderBlockVA);
 628
 629         WinLdrpDumpMemoryDescriptors(LoaderBlockVA);
 630         WinLdrpDumpBootDriver(LoaderBlockVA);
 631         WinLdrpDumpArcDisks(LoaderBlockVA);
 632
 633         //FIXME: If I substitute this debugging checkpoint, GCC will "optimize away" the code below
 634         //while (1) {};
 635         /*asm(".intel_syntax noprefix\n");
 636                 asm("test1:\n");
 637                 asm("jmp test1\n");
 638         asm(".att_syntax\n");*/
 639
 640         /* Pass control */
 641         (*KiSystemStartup)(LoaderBlockVA);
 642
 643         return;
 644 }
 645
 646 VOID
 647 WinLdrpDumpMemoryDescriptors(PLOADER_PARAMETER_BLOCK LoaderBlock)
 648 {
 649         PLIST_ENTRY NextMd;
 650         PMEMORY_ALLOCATION_DESCRIPTOR MemoryDescriptor;
 651
 652         NextMd = LoaderBlock->MemoryDescriptorListHead.Flink;
 653
 654         while (NextMd != &LoaderBlock->MemoryDescriptorListHead)
 655         {
 656                 MemoryDescriptor = CONTAINING_RECORD(NextMd, MEMORY_ALLOCATION_DESCRIPTOR, ListEntry);
 657
 658                 DPRINTM(DPRINT_WINDOWS, "BP %08X PC %04X MT %d\n", MemoryDescriptor->BasePage,
 659                         MemoryDescriptor->PageCount, MemoryDescriptor->MemoryType);
 660
 661                 NextMd = MemoryDescriptor->ListEntry.Flink;
 662         }
 663 }
 664
 665 VOID
 666 WinLdrpDumpBootDriver(PLOADER_PARAMETER_BLOCK LoaderBlock)
 667 {
 668         PLIST_ENTRY NextBd;
 669         PBOOT_DRIVER_LIST_ENTRY BootDriver;
 670
 671         NextBd = LoaderBlock->BootDriverListHead.Flink;
 672
 673         while (NextBd != &LoaderBlock->BootDriverListHead)
 674         {
 675                 BootDriver = CONTAINING_RECORD(NextBd, BOOT_DRIVER_LIST_ENTRY, Link);
 676
 677                 DPRINTM(DPRINT_WINDOWS, "BootDriver %wZ DTE %08X RegPath: %wZ\n", &BootDriver->FilePath,
 678                         BootDriver->LdrEntry, &BootDriver->RegistryPath);
 679
 680                 NextBd = BootDriver->Link.Flink;
 681         }
 682 }
 683
 684 VOID
 685 WinLdrpDumpArcDisks(PLOADER_PARAMETER_BLOCK LoaderBlock)
 686 {
 687         PLIST_ENTRY NextBd;
 688         PARC_DISK_SIGNATURE ArcDisk;
 689
 690         NextBd = LoaderBlock->ArcDiskInformation->DiskSignatureListHead.Flink;
 691
 692         while (NextBd != &LoaderBlock->ArcDiskInformation->DiskSignatureListHead)
 693         {
 694                 ArcDisk = CONTAINING_RECORD(NextBd, ARC_DISK_SIGNATURE, ListEntry);
 695
 696                 DPRINTM(DPRINT_WINDOWS, "ArcDisk %s checksum: 0x%X, signature: 0x%X\n",
 697                         ArcDisk->ArcName, ArcDisk->CheckSum, ArcDisk->Signature);
 698
 699                 NextBd = ArcDisk->ListEntry.Flink;
 700         }
 701 }
 702
 703