reactos/boot/freeldr/freeldr/reactos/reactos.c

   1 /*
   2  *  FreeLoader
   3  *
   4  *  Copyright (C) 1998-2003  Brian Palmer  <brianp@sginet.com>
   5  *  Copyright (C) 2005       Alex Ionescu  <alex@relsoft.net>
   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
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 #include <freeldr.h>
  23 #include <debug.h>
  24
  25 extern ULONG PageDirectoryStart;
  26 extern ULONG PageDirectoryEnd;
  27
  28 ROS_LOADER_PARAMETER_BLOCK LoaderBlock;
  29 char                                    reactos_kernel_cmdline[255];    // Command line passed to kernel
  30 LOADER_MODULE                   reactos_modules[64];            // Array to hold boot module info loaded for the kernel
  31 char                                    reactos_module_strings[64][256];        // Array to hold module names
  32 // Make this a single struct to guarantee that these elements are nearby in
  33 // memory.
  34 reactos_mem_data_t reactos_mem_data;
  35 ARC_DISK_SIGNATURE      reactos_arc_disk_info[32]; // ARC Disk Information
  36 char                    reactos_arc_strings[32][256];
  37 unsigned long           reactos_disk_count = 0;
  38 char reactos_arc_hardware_data[HW_MAX_ARC_HEAP_SIZE] = {0};
  39
  40 CHAR szHalName[255];
  41 CHAR szBootPath[255];
  42 CHAR SystemRoot[255];
  43 static CHAR szLoadingMsg[] = "Loading ReactOS...";
  44 BOOLEAN FrLdrBootType;
  45 ULONG_PTR KernelBase;
  46 ROS_KERNEL_ENTRY_POINT KernelEntryPoint;
  47
  48 BOOLEAN
  49 FrLdrLoadDriver(PCHAR szFileName,
  50                 INT nPos)
  51 {
  52     PFILE FilePointer;
  53     CHAR value[256], *FinalSlash;
  54     LPSTR p;
  55
  56     if (!_stricmp(szFileName, "hal.dll"))
  57     {
  58         /* Use the boot.ini name instead */
  59         szFileName = szHalName;
  60     }
  61
  62     FinalSlash = strrchr(szFileName, '\\');
  63     if(FinalSlash)
  64         szFileName = FinalSlash + 1;
  65
  66     /* Open the Driver */
  67     FilePointer = FsOpenFile(szFileName);
  68
  69     /* Try under the system root in the main dir and drivers */
  70     if (FilePointer == NULL)
  71     {
  72         strcpy(value, SystemRoot);
  73         if(value[strlen(value)-1] != '\\')
  74             strcat(value, "\\");
  75         strcat(value, szFileName);
  76         FilePointer = FsOpenFile(value);
  77     }
  78
  79     if (FilePointer == NULL)
  80     {
  81         strcpy(value, SystemRoot);
  82         if(value[strlen(value)-1] != '\\')
  83             strcat(value, "\\");
  84         strcat(value, "SYSTEM32\\");
  85         strcat(value, szFileName);
  86         FilePointer = FsOpenFile(value);
  87     }
  88
  89     if (FilePointer == NULL)
  90     {
  91         strcpy(value, SystemRoot);
  92         if(value[strlen(value)-1] != '\\')
  93             strcat(value, "\\");
  94         strcat(value, "SYSTEM32\\DRIVERS\\");
  95         strcat(value, szFileName);
  96         FilePointer = FsOpenFile(value);
  97     }
  98
  99     /* Make sure we did */
 100     if (FilePointer == NULL) {
 101
 102         /* Fail if file wasn't opened */
 103         strcpy(value, szFileName);
 104         strcat(value, " not found.");
 105         return(FALSE);
 106     }
 107
 108     /* Update the status bar with the current file */
 109     strcpy(value, "Reading ");
 110     p = strrchr(szFileName, '\\');
 111     if (p == NULL) {
 112
 113         strcat(value, szFileName);
 114
 115     } else {
 116
 117         strcat(value, p + 1);
 118
 119     }
 120     UiDrawStatusText(value);
 121
 122     /* Load the driver */
 123     FrLdrReadAndMapImage(FilePointer, szFileName, 0);
 124
 125     /* Update status and return */
 126     UiDrawProgressBarCenter(nPos, 100, szLoadingMsg);
 127     return(TRUE);
 128 }
 129
 130 PVOID
 131 NTAPI
 132 FrLdrLoadImage(IN PCHAR szFileName,
 133                IN INT nPos,
 134                IN ULONG ImageType)
 135 {
 136     PFILE FilePointer;
 137     PCHAR szShortName;
 138     CHAR szBuffer[256], szFullPath[256];
 139     PVOID LoadBase;
 140
 141     /* Extract filename without path */
 142     szShortName = strrchr(szFileName, '\\');
 143     if (!szShortName)
 144     {
 145         /* No path, leave it alone */
 146         szShortName = szFileName;
 147
 148         /* Which means we need to build a path now */
 149         strcpy(szBuffer, szFileName);
 150         strcpy(szFullPath, szBootPath);
 151         if (!FrLdrBootType)
 152         {
 153             strcat(szFullPath, "SYSTEM32\\DRIVERS\\");
 154         }
 155         else
 156         {
 157             strcat(szFullPath, "\\");
 158         }
 159         strcat(szFullPath, szBuffer);
 160         szFileName = szFullPath;
 161     }
 162     else
 163     {
 164         /* Skip the path */
 165         szShortName = szShortName + 1;
 166     }
 167
 168     /* Open the image */
 169     FilePointer = FsOpenFile(szFileName);
 170     if (!FilePointer)
 171     {
 172         /* Return failure on the short name */
 173         strcpy(szBuffer, szShortName);
 174         strcat(szBuffer, " not found.");
 175         UiMessageBox(szBuffer);
 176         return FALSE;
 177     }
 178
 179     /* Update the status bar with the current file */
 180     strcpy(szBuffer, "Reading ");
 181     strcat(szBuffer, szShortName);
 182     UiDrawStatusText(szBuffer);
 183
 184     /* Do the actual loading */
 185     LoadBase = FrLdrReadAndMapImage(FilePointer, szShortName, ImageType);
 186
 187     /* Update Processbar and return success */
 188     if (!FrLdrBootType) UiDrawProgressBarCenter(nPos, 100, szLoadingMsg);
 189     return LoadBase;
 190 }
 191
 192 BOOLEAN
 193 FrLdrLoadNlsFile(PCSTR szFileName,
 194                  PCSTR szModuleName)
 195 {
 196     PFILE FilePointer;
 197     CHAR value[256];
 198     LPSTR p;
 199
 200     /* Open the Driver */
 201     FilePointer = FsOpenFile(szFileName);
 202
 203     /* Make sure we did */
 204     if (FilePointer == NULL) {
 205
 206         /* Fail if file wasn't opened */
 207         strcpy(value, szFileName);
 208         strcat(value, " not found.");
 209         UiMessageBox(value);
 210         return(FALSE);
 211     }
 212
 213     /* Update the status bar with the current file */
 214     strcpy(value, "Reading ");
 215     p = strrchr(szFileName, '\\');
 216     if (p == NULL) {
 217
 218         strcat(value, szFileName);
 219
 220     } else {
 221
 222         strcat(value, p + 1);
 223     }
 224     UiDrawStatusText(value);
 225
 226     /* Load the driver */
 227     FrLdrLoadModule(FilePointer, szModuleName, NULL);
 228     return(TRUE);
 229 }
 230
 231 static BOOLEAN
 232 FrLdrLoadNlsFiles(PCHAR szSystemRoot,
 233                   PCHAR szErrorOut)
 234 {
 235     LONG rc = ERROR_SUCCESS;
 236     FRLDRHKEY hKey;
 237     WCHAR szIdBuffer[80];
 238     WCHAR szNameBuffer[80];
 239     CHAR szFileName[256];
 240     ULONG BufferSize;
 241
 242     /* open the codepage key */
 243     rc = RegOpenKey(NULL,
 244                     L"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Control\\NLS\\CodePage",
 245                     &hKey);
 246     if (rc != ERROR_SUCCESS) {
 247
 248         strcpy(szErrorOut, "Couldn't open CodePage registry key");
 249         return(FALSE);
 250     }
 251
 252     /* get ANSI codepage */
 253     BufferSize = sizeof(szIdBuffer);
 254     rc = RegQueryValue(hKey, L"ACP", NULL, (PUCHAR)szIdBuffer, &BufferSize);
 255     if (rc != ERROR_SUCCESS) {
 256
 257         strcpy(szErrorOut, "Couldn't get ACP NLS setting");
 258         return(FALSE);
 259     }
 260
 261     BufferSize = sizeof(szNameBuffer);
 262     rc = RegQueryValue(hKey, szIdBuffer, NULL, (PUCHAR)szNameBuffer, &BufferSize);
 263     if (rc != ERROR_SUCCESS) {
 264
 265         strcpy(szErrorOut, "ACP NLS Setting exists, but isn't readable");
 266         return(FALSE);
 267     }
 268
 269     /* load ANSI codepage table */
 270     sprintf(szFileName,"%ssystem32\\%S", szSystemRoot, szNameBuffer);
 271     DbgPrint((DPRINT_REACTOS, "ANSI file: %s\n", szFileName));
 272     if (!FrLdrLoadNlsFile(szFileName, "ansi.nls")) {
 273
 274         strcpy(szErrorOut, "Couldn't load ansi.nls");
 275         return(FALSE);
 276     }
 277
 278     /* get OEM codepage */
 279     BufferSize = sizeof(szIdBuffer);
 280     rc = RegQueryValue(hKey, L"OEMCP", NULL, (PUCHAR)szIdBuffer, &BufferSize);
 281     if (rc != ERROR_SUCCESS) {
 282
 283         strcpy(szErrorOut, "Couldn't get OEMCP NLS setting");
 284         return(FALSE);
 285     }
 286
 287     BufferSize = sizeof(szNameBuffer);
 288     rc = RegQueryValue(hKey, szIdBuffer, NULL, (PUCHAR)szNameBuffer, &BufferSize);
 289     if (rc != ERROR_SUCCESS) {
 290
 291         strcpy(szErrorOut, "OEMCP NLS setting exists, but isn't readable");
 292         return(FALSE);
 293     }
 294
 295     /* load OEM codepage table */
 296     sprintf(szFileName, "%ssystem32\\%S", szSystemRoot, szNameBuffer);
 297     DbgPrint((DPRINT_REACTOS, "Oem file: %s\n", szFileName));
 298     if (!FrLdrLoadNlsFile(szFileName, "oem.nls")) {
 299
 300         strcpy(szErrorOut, "Couldn't load oem.nls");
 301         return(FALSE);
 302     }
 303
 304     /* open the language key */
 305     rc = RegOpenKey(NULL,
 306                     L"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Control\\NLS\\Language",
 307                     &hKey);
 308     if (rc != ERROR_SUCCESS) {
 309
 310         strcpy(szErrorOut, "Couldn't open Language registry key");
 311         return(FALSE);
 312     }
 313
 314     /* get the Unicode case table */
 315     BufferSize = sizeof(szIdBuffer);
 316     rc = RegQueryValue(hKey, L"Default", NULL, (PUCHAR)szIdBuffer, &BufferSize);
 317     if (rc != ERROR_SUCCESS) {
 318
 319         strcpy(szErrorOut, "Couldn't get Language Default setting");
 320         return(FALSE);
 321     }
 322
 323     BufferSize = sizeof(szNameBuffer);
 324     rc = RegQueryValue(hKey, szIdBuffer, NULL, (PUCHAR)szNameBuffer, &BufferSize);
 325     if (rc != ERROR_SUCCESS) {
 326
 327         strcpy(szErrorOut, "Language Default setting exists, but isn't readable");
 328         return(FALSE);
 329     }
 330
 331     /* load Unicode case table */
 332     sprintf(szFileName, "%ssystem32\\%S", szSystemRoot, szNameBuffer);
 333     DbgPrint((DPRINT_REACTOS, "Casemap file: %s\n", szFileName));
 334     if (!FrLdrLoadNlsFile(szFileName, "casemap.nls")) {
 335
 336         strcpy(szErrorOut, "casemap.nls");
 337         return(FALSE);
 338     }
 339
 340     return(TRUE);
 341 }
 342
 343 static VOID
 344 FrLdrLoadBootDrivers(PCHAR szSystemRoot,
 345                      INT nPos)
 346 {
 347     LONG rc = 0;
 348     FRLDRHKEY hGroupKey, hOrderKey, hServiceKey, hDriverKey;
 349     WCHAR GroupNameBuffer[512];
 350     WCHAR ServiceName[256];
 351     ULONG OrderList[128];
 352     ULONG BufferSize;
 353     ULONG Index;
 354     ULONG TagIndex;
 355     LPWSTR GroupName;
 356
 357     ULONG ValueSize;
 358     ULONG ValueType;
 359     ULONG StartValue;
 360     ULONG TagValue;
 361     WCHAR DriverGroup[256];
 362     ULONG DriverGroupSize;
 363
 364     CHAR ImagePath[256];
 365     WCHAR TempImagePath[256];
 366
 367     /* get 'service group order' key */
 368     rc = RegOpenKey(NULL,
 369                     L"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Control\\ServiceGroupOrder",
 370                     &hGroupKey);
 371     if (rc != ERROR_SUCCESS) {
 372
 373         DbgPrint((DPRINT_REACTOS, "Failed to open the 'ServiceGroupOrder' key (rc %d)\n", (int)rc));
 374         return;
 375     }
 376
 377     /* get 'group order list' key */
 378     rc = RegOpenKey(NULL,
 379                     L"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Control\\GroupOrderList",
 380                     &hOrderKey);
 381     if (rc != ERROR_SUCCESS) {
 382
 383         DbgPrint((DPRINT_REACTOS, "Failed to open the 'GroupOrderList' key (rc %d)\n", (int)rc));
 384         return;
 385     }
 386
 387     /* enumerate drivers */
 388     rc = RegOpenKey(NULL,
 389                     L"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Services",
 390                     &hServiceKey);
 391     if (rc != ERROR_SUCCESS)  {
 392
 393         DbgPrint((DPRINT_REACTOS, "Failed to open the 'Services' key (rc %d)\n", (int)rc));
 394         return;
 395     }
 396
 397     /* Get the Name Group */
 398     BufferSize = sizeof(GroupNameBuffer);
 399     rc = RegQueryValue(hGroupKey, L"List", NULL, (PUCHAR)GroupNameBuffer, &BufferSize);
 400     DbgPrint((DPRINT_REACTOS, "RegQueryValue(): rc %d\n", (int)rc));
 401     if (rc != ERROR_SUCCESS) return;
 402     DbgPrint((DPRINT_REACTOS, "BufferSize: %d \n", (int)BufferSize));
 403     DbgPrint((DPRINT_REACTOS, "GroupNameBuffer: '%S' \n", GroupNameBuffer));
 404
 405     /* Loop through each group */
 406     GroupName = GroupNameBuffer;
 407     while (*GroupName) {
 408         DbgPrint((DPRINT_REACTOS, "Driver group: '%S'\n", GroupName));
 409
 410         /* Query the Order */
 411         BufferSize = sizeof(OrderList);
 412         rc = RegQueryValue(hOrderKey, GroupName, NULL, (PUCHAR)OrderList, &BufferSize);
 413         if (rc != ERROR_SUCCESS) OrderList[0] = 0;
 414
 415         /* enumerate all drivers */
 416         for (TagIndex = 1; TagIndex <= SWAPD(OrderList[0]); TagIndex++) {
 417
 418             Index = 0;
 419
 420             while (TRUE) {
 421
 422                 /* Get the Driver's Name */
 423                 ValueSize = sizeof(ServiceName);
 424                 rc = RegEnumKey(hServiceKey, Index, ServiceName, &ValueSize);
 425                 DbgPrint((DPRINT_REACTOS, "RegEnumKey(): rc %d\n", (int)rc));
 426
 427                 /* Makre sure it's valid, and check if we're done */
 428                 if (rc == ERROR_NO_MORE_ITEMS) break;
 429                 if (rc != ERROR_SUCCESS) return;
 430                 DbgPrint((DPRINT_REACTOS, "Service %d: '%S'\n", (int)Index, ServiceName));
 431
 432                 /* open driver Key */
 433                 rc = RegOpenKey(hServiceKey, ServiceName, &hDriverKey);
 434                 if (rc == ERROR_SUCCESS)
 435                                 {
 436                     /* Read the Start Value */
 437                     ValueSize = sizeof(ULONG);
 438                     rc = RegQueryValue(hDriverKey, L"Start", &ValueType, (PUCHAR)&StartValue, &ValueSize);
 439                     if (rc != ERROR_SUCCESS) StartValue = (ULONG)-1;
 440                     DbgPrint((DPRINT_REACTOS, "  Start: %x  \n", (int)StartValue));
 441
 442                     /* Read the Tag */
 443                     ValueSize = sizeof(ULONG);
 444                     rc = RegQueryValue(hDriverKey, L"Tag", &ValueType, (PUCHAR)&TagValue, &ValueSize);
 445                     if (rc != ERROR_SUCCESS) TagValue = (ULONG)-1;
 446                     DbgPrint((DPRINT_REACTOS, "  Tag:   %x  \n", (int)TagValue));
 447
 448                     /* Read the driver's group */
 449                     DriverGroupSize = sizeof(DriverGroup);
 450                     rc = RegQueryValue(hDriverKey, L"Group", NULL, (PUCHAR)DriverGroup, &DriverGroupSize);
 451                     DbgPrint((DPRINT_REACTOS, "  Group: '%S'  \n", DriverGroup));
 452
 453                     /* Make sure it should be started */
 454                     if ((StartValue == 0) &&
 455                         (TagValue == OrderList[TagIndex]) &&
 456                         (_wcsicmp(DriverGroup, GroupName) == 0)) {
 457
 458                         /* Get the Driver's Location */
 459                         ValueSize = sizeof(TempImagePath);
 460                         rc = RegQueryValue(hDriverKey, L"ImagePath", NULL, (PUCHAR)TempImagePath, &ValueSize);
 461
 462                         /* Write the whole path if it suceeded, else prepare to fail */
 463                         if (rc != ERROR_SUCCESS) {
 464                             DbgPrint((DPRINT_REACTOS, "  ImagePath: not found\n"));
 465                             sprintf(ImagePath, "%s\\system32\\drivers\\%S.sys", szSystemRoot, ServiceName);
 466                         } else if (TempImagePath[0] != L'\\') {
 467                             sprintf(ImagePath, "%s%S", szSystemRoot, TempImagePath);
 468                         } else {
 469                             sprintf(ImagePath, "%S", TempImagePath);
 470                             DbgPrint((DPRINT_REACTOS, "  ImagePath: '%s'\n", ImagePath));
 471                         }
 472
 473                         DbgPrint((DPRINT_REACTOS, "  Loading driver: '%s'\n", ImagePath));
 474
 475                         /* Update the position if needed */
 476                         if (nPos < 100) nPos += 5;
 477
 478                         FrLdrLoadImage(ImagePath, nPos, 2);
 479
 480                     } else {
 481
 482                         DbgPrint((DPRINT_REACTOS, "  Skipping driver '%S' with Start %d, Tag %d and Group '%S' (Current Tag %d, current group '%S')\n",
 483                                  ServiceName, StartValue, TagValue, DriverGroup, OrderList[TagIndex], GroupName));
 484                     }
 485                 }
 486
 487                 Index++;
 488             }
 489         }
 490
 491         Index = 0;
 492         while (TRUE) {
 493
 494             /* Get the Driver's Name */
 495             ValueSize = sizeof(ServiceName);
 496             rc = RegEnumKey(hServiceKey, Index, ServiceName, &ValueSize);
 497
 498             DbgPrint((DPRINT_REACTOS, "RegEnumKey(): rc %d\n", (int)rc));
 499             if (rc == ERROR_NO_MORE_ITEMS) break;
 500             if (rc != ERROR_SUCCESS) return;
 501             DbgPrint((DPRINT_REACTOS, "Service %d: '%S'\n", (int)Index, ServiceName));
 502
 503             /* open driver Key */
 504             rc = RegOpenKey(hServiceKey, ServiceName, &hDriverKey);
 505             if (rc == ERROR_SUCCESS)
 506             {
 507                 /* Read the Start Value */
 508                 ValueSize = sizeof(ULONG);
 509                 rc = RegQueryValue(hDriverKey, L"Start", &ValueType, (PUCHAR)&StartValue, &ValueSize);
 510                 if (rc != ERROR_SUCCESS) StartValue = (ULONG)-1;
 511                 DbgPrint((DPRINT_REACTOS, "  Start: %x  \n", (int)StartValue));
 512
 513                 /* Read the Tag */
 514                 ValueSize = sizeof(ULONG);
 515                 rc = RegQueryValue(hDriverKey, L"Tag", &ValueType, (PUCHAR)&TagValue, &ValueSize);
 516                 if (rc != ERROR_SUCCESS) TagValue = (ULONG)-1;
 517                 DbgPrint((DPRINT_REACTOS, "  Tag:   %x  \n", (int)TagValue));
 518
 519                 /* Read the driver's group */
 520                 DriverGroupSize = sizeof(DriverGroup);
 521                 rc = RegQueryValue(hDriverKey, L"Group", NULL, (PUCHAR)DriverGroup, &DriverGroupSize);
 522                 DbgPrint((DPRINT_REACTOS, "  Group: '%S'  \n", DriverGroup));
 523
 524                 for (TagIndex = 1; TagIndex <= OrderList[0]; TagIndex++) {
 525                     if (TagValue == OrderList[TagIndex]) break;
 526                 }
 527
 528                 if ((StartValue == 0) &&
 529                     (TagIndex > OrderList[0]) &&
 530                     (_wcsicmp(DriverGroup, GroupName) == 0)) {
 531
 532                         ValueSize = sizeof(TempImagePath);
 533                         rc = RegQueryValue(hDriverKey, L"ImagePath", NULL, (PUCHAR)TempImagePath, &ValueSize);
 534                         if (rc != ERROR_SUCCESS) {
 535                             DbgPrint((DPRINT_REACTOS, "  ImagePath: not found\n"));
 536                             sprintf(ImagePath, "%ssystem32\\drivers\\%S.sys", szSystemRoot, ServiceName);
 537                         } else if (TempImagePath[0] != L'\\') {
 538                             sprintf(ImagePath, "%s%S", szSystemRoot, TempImagePath);
 539                         } else {
 540                             sprintf(ImagePath, "%S", TempImagePath);
 541                             DbgPrint((DPRINT_REACTOS, "  ImagePath: '%s'\n", ImagePath));
 542                         }
 543                     DbgPrint((DPRINT_REACTOS, "  Loading driver: '%s'\n", ImagePath));
 544
 545                     if (nPos < 100) nPos += 5;
 546
 547                     FrLdrLoadImage(ImagePath, nPos, 2);
 548
 549                 } else {
 550
 551                     DbgPrint((DPRINT_REACTOS, "  Skipping driver '%S' with Start %d, Tag %d and Group '%S' (Current group '%S')\n",
 552                     ServiceName, StartValue, TagValue, DriverGroup, GroupName));
 553                 }
 554             }
 555
 556             Index++;
 557         }
 558
 559         /* Move to the next group name */
 560         GroupName = GroupName + wcslen(GroupName) + 1;
 561     }
 562 }
 563
 564 VOID
 565 LoadAndBootReactOS(PCSTR OperatingSystemName)
 566 {
 567         PFILE FilePointer;
 568         CHAR name[255];
 569         CHAR value[255];
 570         CHAR SystemPath[255];
 571         CHAR szKernelName[255];
 572         CHAR szFileName[255];
 573         CHAR  MsgBuffer[256];
 574         ULONG_PTR SectionId;
 575     PIMAGE_NT_HEADERS NtHeader;
 576     PVOID LoadBase;
 577         ULONG_PTR Base;
 578         ULONG Size;
 579
 580         //
 581         // Open the operating system section
 582         // specified in the .ini file
 583         //
 584         if (!IniOpenSection(OperatingSystemName, &SectionId))
 585         {
 586                 sprintf(MsgBuffer,"Operating System section '%s' not found in freeldr.ini", OperatingSystemName);
 587                 UiMessageBox(MsgBuffer);
 588                 return;
 589         }
 590
 591         UiDrawBackdrop();
 592         UiDrawStatusText("Detecting Hardware...");
 593     UiDrawProgressBarCenter(1, 100, szLoadingMsg);
 594
 595         /*
 596          * Setup multiboot information structure
 597          */
 598         LoaderBlock.CommandLine = reactos_kernel_cmdline;
 599         LoaderBlock.PageDirectoryStart = (ULONG_PTR)&PageDirectoryStart;
 600         LoaderBlock.PageDirectoryEnd = (ULONG_PTR)&PageDirectoryEnd;
 601         LoaderBlock.ModsCount = 0;
 602         LoaderBlock.ModsAddr = reactos_modules;
 603     LoaderBlock.DrivesAddr = reactos_arc_disk_info;
 604     LoaderBlock.RdAddr = (ULONG_PTR)gRamDiskBase;
 605     LoaderBlock.RdLength = gRamDiskSize;
 606     LoaderBlock.MmapLength = (SIZE_T)MachGetMemoryMap((PBIOS_MEMORY_MAP)reactos_memory_map, 32) * sizeof(memory_map_t);
 607     if (LoaderBlock.MmapLength)
 608     {
 609         ULONG i;
 610         LoaderBlock.Flags |= MB_FLAGS_MEM_INFO | MB_FLAGS_MMAP_INFO;
 611         LoaderBlock.MmapAddr = (ULONG_PTR)&reactos_memory_map;
 612         reactos_memory_map_descriptor_size = sizeof(memory_map_t); // GetBiosMemoryMap uses a fixed value of 24
 613         for (i=0; i<(LoaderBlock.MmapLength/sizeof(memory_map_t)); i++)
 614         {
 615 #ifdef _M_PPC
 616             ULONG tmp;
 617             /* Also swap from long long to high/low
 618              * We also have unusable memory that will be available to kernel
 619              * land.  Mark it here.
 620              */
 621             if (BiosMemoryAcpiReclaim == reactos_memory_map[i].type)
 622             {
 623                 reactos_memory_map[i].type = BiosMemoryUsable;
 624             }
 625
 626             tmp = reactos_memory_map[i].base_addr_low;
 627             reactos_memory_map[i].base_addr_low = reactos_memory_map[i].base_addr_high;
 628             reactos_memory_map[i].base_addr_high = tmp;
 629             tmp = reactos_memory_map[i].length_low;
 630             reactos_memory_map[i].length_low = reactos_memory_map[i].length_high;
 631             reactos_memory_map[i].length_high = tmp;
 632 #endif
 633
 634             if (BiosMemoryUsable == reactos_memory_map[i].type &&
 635                 0 == reactos_memory_map[i].base_addr_low)
 636             {
 637                 LoaderBlock.MemLower = (reactos_memory_map[i].base_addr_low + reactos_memory_map[i].length_low) / 1024;
 638                 if (640 < LoaderBlock.MemLower)
 639                 {
 640                     LoaderBlock.MemLower = 640;
 641                 }
 642             }
 643             if (BiosMemoryUsable == reactos_memory_map[i].type &&
 644                 reactos_memory_map[i].base_addr_low <= 1024 * 1024 &&
 645                 1024 * 1024 <= reactos_memory_map[i].base_addr_low + reactos_memory_map[i].length_low)
 646             {
 647                 LoaderBlock.MemHigher = (reactos_memory_map[i].base_addr_low + reactos_memory_map[i].length_low) / 1024 - 1024;
 648             }
 649         }
 650     }
 651
 652         /*
 653          * Initialize the registry
 654          */
 655         RegInitializeRegistry();
 656
 657         /*
 658          * Make sure the system path is set in the .ini file
 659          */
 660         if (!IniReadSettingByName(SectionId, "SystemPath", SystemPath, sizeof(SystemPath)))
 661         {
 662                 UiMessageBox("System path not specified for selected operating system.");
 663                 return;
 664         }
 665
 666         /*
 667          * Special case for Live CD.
 668          */
 669         if (!_stricmp(SystemPath, "LiveCD"))
 670         {
 671                 /* Normalize */
 672                 MachDiskGetBootPath(SystemPath, sizeof(SystemPath));
 673                 strcat(SystemPath, "\\reactos");
 674                 strcat(strcpy(reactos_kernel_cmdline, SystemPath),
 675                        " /MININT");
 676         }
 677         else
 678         {
 679                 if (! MachDiskNormalizeSystemPath(SystemPath,
 680                                                   sizeof(SystemPath)))
 681                 {
 682                         UiMessageBox("Invalid system path");
 683                         return;
 684                 }
 685                 /* copy system path into kernel command line */
 686                 strcpy(reactos_kernel_cmdline, SystemPath);
 687         }
 688
 689         /*
 690          * Read the optional kernel parameters (if any)
 691          */
 692         if (IniReadSettingByName(SectionId, "Options", value, sizeof(value)))
 693         {
 694                 strcat(reactos_kernel_cmdline, " ");
 695                 strcat(reactos_kernel_cmdline, value);
 696         }
 697
 698         /*
 699          * Detect hardware
 700          */
 701         LoaderBlock.ArchExtra = (ULONG_PTR)MachHwDetect();
 702     UiDrawProgressBarCenter(5, 100, szLoadingMsg);
 703
 704     LoaderBlock.DrivesCount = reactos_disk_count;
 705
 706         UiDrawStatusText("Loading...");
 707
 708         //
 709         // If we have a ramdisk, this will switch to the ramdisk disk routines
 710         // which read from memory instead of using the firmware. This has to be done
 711         // after hardware detection, since hardware detection will require using the
 712         // real routines in order to perform disk-detection (just because we're on a
 713         // ram-boot doesn't mean the user doesn't have actual disks installed too!)
 714         //
 715         RamDiskSwitchFromBios();
 716
 717         /*
 718          * Try to open system drive
 719          */
 720         if (!FsOpenSystemVolume(SystemPath, szBootPath, &LoaderBlock.BootDevice))
 721         {
 722                 UiMessageBox("Failed to open system drive.");
 723                 return;
 724         }
 725
 726         /* append a backslash */
 727         if ((strlen(szBootPath)==0) ||
 728             szBootPath[strlen(szBootPath)] != '\\')
 729                 strcat(szBootPath, "\\");
 730
 731         DbgPrint((DPRINT_REACTOS,"SystemRoot: '%s'\n", szBootPath));
 732         strcpy(SystemRoot, szBootPath);
 733
 734         /*
 735          * Find the kernel image name
 736          * and try to load the kernel off the disk
 737          */
 738         if(IniReadSettingByName(SectionId, "Kernel", value, sizeof(value)))
 739         {
 740                 /*
 741                  * Set the name and
 742                  */
 743                 if (value[0] == '\\')
 744                 {
 745                         strcpy(szKernelName, value);
 746                 }
 747                 else
 748                 {
 749                         strcpy(szKernelName, szBootPath);
 750                         strcat(szKernelName, "SYSTEM32\\");
 751                         strcat(szKernelName, value);
 752                 }
 753         }
 754         else
 755         {
 756                 strcpy(value, "NTOSKRNL.EXE");
 757                 strcpy(szKernelName, szBootPath);
 758                 strcat(szKernelName, "SYSTEM32\\");
 759                 strcat(szKernelName, value);
 760         }
 761
 762         /*
 763          * Find the HAL image name
 764          * and try to load the kernel off the disk
 765          */
 766         if(IniReadSettingByName(SectionId, "Hal", value, sizeof(value)))
 767         {
 768                 /*
 769                  * Set the name and
 770                  */
 771                 if (value[0] == '\\')
 772                 {
 773                         strcpy(szHalName, value);
 774                 }
 775                 else
 776                 {
 777                         strcpy(szHalName, szBootPath);
 778                         strcat(szHalName, "SYSTEM32\\");
 779                         strcat(szHalName, value);
 780                 }
 781         }
 782         else
 783         {
 784                 strcpy(value, "HAL.DLL");
 785                 strcpy(szHalName, szBootPath);
 786                 strcat(szHalName, "SYSTEM32\\");
 787                 strcat(szHalName, value);
 788         }
 789
 790         /* Load the kernel */
 791         LoadBase = FrLdrLoadImage(szKernelName, 5, 1);
 792         if (!LoadBase) return;
 793
 794         /* Get the NT header, kernel base and kernel entry */
 795         NtHeader = RtlImageNtHeader(LoadBase);
 796         KernelBase = SWAPD(NtHeader->OptionalHeader.ImageBase);
 797         KernelEntryPoint = (ROS_KERNEL_ENTRY_POINT)(KernelBase + SWAPD(NtHeader->OptionalHeader.AddressOfEntryPoint));
 798         LoaderBlock.KernelBase = KernelBase;
 799
 800         /*
 801          * Load the System hive from disk
 802          */
 803         strcpy(szFileName, szBootPath);
 804         strcat(szFileName, "SYSTEM32\\CONFIG\\SYSTEM");
 805
 806         DbgPrint((DPRINT_REACTOS, "SystemHive: '%s'", szFileName));
 807
 808         FilePointer = FsOpenFile(szFileName);
 809         if (FilePointer == NULL)
 810         {
 811                 UiMessageBox("Could not find the System hive!");
 812                 return;
 813         }
 814
 815         /*
 816          * Update the status bar with the current file
 817          */
 818         strcpy(name, "Reading ");
 819         strcat(name, value);
 820         while (strlen(name) < 80)
 821                 strcat(name, " ");
 822         UiDrawStatusText(name);
 823
 824         /*
 825          * Load the System hive
 826          */
 827         Base = FrLdrLoadModule(FilePointer, szFileName, &Size);
 828         if (Base == 0 || Size == 0)
 829         {
 830                 UiMessageBox("Could not load the System hive!\n");
 831                 return;
 832         }
 833         DbgPrint((DPRINT_REACTOS, "SystemHive loaded at 0x%x size %u", (unsigned)Base, (unsigned)Size));
 834
 835         /*
 836          * Import the loaded system hive
 837          */
 838         RegImportBinaryHive((PCHAR)Base, Size);
 839
 840         /*
 841          * Initialize the 'CurrentControlSet' link
 842          */
 843         RegInitCurrentControlSet(FALSE);
 844
 845         UiDrawProgressBarCenter(15, 100, szLoadingMsg);
 846
 847         UiDrawProgressBarCenter(20, 100, szLoadingMsg);
 848
 849         /*
 850          * Load NLS files
 851          */
 852         if (!FrLdrLoadNlsFiles(szBootPath, MsgBuffer))
 853         {
 854                 UiMessageBox(MsgBuffer);
 855                 return;
 856         }
 857         UiDrawProgressBarCenter(30, 100, szLoadingMsg);
 858
 859         /*
 860          * Load boot drivers
 861          */
 862         FrLdrLoadBootDrivers(szBootPath, 40);
 863         //UiUnInitialize("Booting ReactOS...");
 864
 865     //
 866     // Perform architecture-specific pre-boot configuration
 867     //
 868     MachPrepareForReactOS(FALSE);
 869
 870     //
 871     // Setup paging and jump to kernel
 872     //
 873         FrLdrStartup(0x2badb002);
 874 }
 875
 876 #undef DbgPrint
 877 #if 0
 878 ULONG
 879 DbgPrint(const char *Format, ...)
 880 {
 881         va_list ap;
 882         CHAR Buffer[512];
 883         ULONG Length;
 884
 885         va_start(ap, Format);
 886
 887         /* Construct a string */
 888         Length = _vsnprintf(Buffer, 512, Format, ap);
 889
 890         /* Check if we went past the buffer */
 891         if (Length == -1)
 892         {
 893                 /* Terminate it if we went over-board */
 894                 Buffer[sizeof(Buffer) - 1] = '\n';
 895
 896                 /* Put maximum */
 897                 Length = sizeof(Buffer);
 898         }
 899
 900         /* Show it as a message box */
 901         UiMessageBox(Buffer);
 902
 903         /* Cleanup and exit */
 904         va_end(ap);
 905         return 0;
 906 }
 907 #else
 908 VOID DebugPrintChar(UCHAR Character);
 909
 910 ULONG
 911 DbgPrint(const char *Format, ...)
 912 {
 913         va_list ap;
 914         CHAR Buffer[512];
 915         ULONG Length;
 916         char *ptr = Buffer;
 917
 918         va_start(ap, Format);
 919
 920         /* Construct a string */
 921         Length = _vsnprintf(Buffer, 512, Format, ap);
 922
 923         /* Check if we went past the buffer */
 924         if (Length == -1)
 925         {
 926                 /* Terminate it if we went over-board */
 927                 Buffer[sizeof(Buffer) - 1] = '\n';
 928
 929                 /* Put maximum */
 930                 Length = sizeof(Buffer);
 931         }
 932
 933         while (*ptr)
 934         {
 935                 DebugPrintChar(*ptr++);
 936         }
 937
 938         va_end(ap);
 939         return 0;
 940 }
 941 #endif
 942 /* EOF */