setupldr.c

winNT技术操作系统,国外开放的原代码和LIUX一样

              1024 * 1024 <= reactos_memory_map[i].base_addr_low + reactos_memory_map[i].length_low)
            {
              LoaderBlock.MemHigher = (reactos_memory_map[i].base_addr_low + reactos_memory_map[i].length_low) / 1024 - 1024;
            }
#if 0
	    printf("start: %x\t size: %x\t type %d\n",
		   reactos_memory_map[i].base_addr_low,
		   reactos_memory_map[i].length_low,
		   reactos_memory_map[i].type);
#endif
        }
    }
#if 0
  printf("low_mem = %d\n", LoaderBlock.MemLower);
  printf("high_mem = %d\n", LoaderBlock.MemHigher);
  MachConsGetCh();
#endif

#ifdef USE_UI
  SetupUiInitialize();
  UiDrawStatusText("");
#endif

    extern BOOLEAN FrLdrBootType;
    FrLdrBootType = TRUE;

  /* Initialize registry */
  RegInitializeRegistry();

  /* Detect hardware */
#ifdef USE_UI
  UiDrawStatusText("Detecting hardware...");
#else
  printf("Detecting hardware...\n\n");
#endif
  MachHwDetect();
#ifdef USE_UI
  UiDrawStatusText("");
#endif

  /* set boot device */
  MachDiskGetBootDevice(&LoaderBlock.BootDevice);

  /* Open boot drive */
  if (!FsOpenBootVolume())
    {
#ifdef USE_UI
      UiMessageBox("Failed to open boot drive.");
#else
      printf("Failed to open boot drive.");
#endif
      return;
    }

  /* Open 'txtsetup.sif' */
  if (!InfOpenFile (&InfHandle,
		    MachDiskBootingFromFloppy() ? "\\txtsetup.sif" : "\\reactos\\txtsetup.sif",
		    &ErrorLine))
    {
      printf("Failed to open 'txtsetup.sif'\n");
      return;
    }

  /* Get load options */
  if (!InfFindFirstLine (InfHandle,
			 "SetupData",
			 "OsLoadOptions",
			 &InfContext))
    {
      printf("Failed to find 'SetupData/OsLoadOptions'\n");
      return;
    }

  if (!InfGetDataField (&InfContext,
			1,
			&LoadOptions))
    {
      printf("Failed to get load options\n");
      return;
    }
#if 0
  printf("LoadOptions: '%s'\n", LoadOptions);
#endif

  if (MachDiskBootingFromFloppy())
    {
      /* Boot from floppy disk */
      SourcePath = "\\";
    }
  else
    {
      /* Boot from cdrom */
      SourcePath = "\\reactos";
    }

  /* Set kernel command line */
  MachDiskGetBootPath(reactos_kernel_cmdline, sizeof(reactos_kernel_cmdline));
  strcat(strcat(strcat(reactos_kernel_cmdline, SourcePath), " "),
         LoadOptions);

    /* Setup the boot path and kernel path */
    strcpy(szBootPath, SourcePath);
    strcpy(szKernelName, szBootPath);
    strcat(szKernelName, "\\ntoskrnl.exe");

    /* Setup the HAL path */
    strcpy(szHalName, szBootPath);
    strcat(szHalName, "\\hal.dll");

    /* Load the kernel */
    if (!FrLdrLoadKernel(szKernelName, 5)) return;

  /* Create ntoskrnl.sym */
  LoadKernelSymbols(SourcePath, "ntoskrnl.exe");

  /* Export the hardware hive */
  Base = FrLdrCreateModule ("HARDWARE");
  RegExportBinaryHive (L"\\Registry\\Machine\\HARDWARE", (PVOID)Base, &Size);
  FrLdrCloseModule (Base, Size);

#if 0
  printf("Base: %x\n", Base);
  printf("Size: %u\n", Size);
  printf("*** System stopped ***\n");
for(;;);
#endif

  /* Insert boot disk 2 */
  if (MachDiskBootingFromFloppy())
    {
#ifdef USE_UI
      UiMessageBox("Please insert \"ReactOS Boot Disk 2\" and press ENTER");
#else
      printf("\n\n Please insert \"ReactOS Boot Disk 2\" and press ENTER\n");
      MachConsGetCh();
#endif

      /* Open boot drive */
      if (!FsOpenBootVolume())
	{
#ifdef USE_UI
	  UiMessageBox("Failed to open boot drive.");
#else
	  printf("Failed to open boot drive.");
#endif
	  return;
	}

      /* FIXME: check volume label or disk marker file */
    }


  /* Get ANSI codepage file */
  if (!InfFindFirstLine (InfHandle,
			 "NLS",
			 "AnsiCodepage",
			 &InfContext))
    {
      printf("Failed to find 'NLS/AnsiCodepage'\n");
      return;
    }

  if (!InfGetDataField (&InfContext,
			1,
			&LoadOptions))
    {
      printf("Failed to get load options\n");
      return;
    }

  /* Load ANSI codepage file */
  if (!LoadNlsFile(SourcePath, LoadOptions, "ansi.nls"))
    {
#ifdef USE_UI
      UiMessageBox("Failed to load the ANSI codepage file.");
#else
      printf("Failed to load the ANSI codepage file.");
#endif
      return;
    }

  /* Get OEM codepage file */
  if (!InfFindFirstLine (InfHandle,
			 "NLS",
			 "OemCodepage",
			 &InfContext))
    {
      printf("Failed to find 'NLS/AnsiCodepage'\n");
      return;
    }

  if (!InfGetDataField (&InfContext,
			1,
			&LoadOptions))
    {
      printf("Failed to get load options\n");
      return;
    }

  /* Load OEM codepage file */
  if (!LoadNlsFile(SourcePath, LoadOptions, "oem.nls"))
    {
#ifdef USE_UI
      UiMessageBox("Failed to load the OEM codepage file.");
#else
      printf("Failed to load the OEM codepage file.");
#endif
      return;
    }

  /* Get Unicode Casemap file */
  if (!InfFindFirstLine (InfHandle,
			 "NLS",
			 "UnicodeCasetable",
			 &InfContext))
    {
      printf("Failed to find 'NLS/AnsiCodepage'\n");
      return;
    }

  if (!InfGetDataField (&InfContext,
			1,
			&LoadOptions))
    {
      printf("Failed to get load options\n");
      return;
    }

  /* Load Unicode casemap file */
  if (!LoadNlsFile(SourcePath, LoadOptions, "casemap.nls"))
    {
#ifdef USE_UI
      UiMessageBox("Failed to load the Unicode casemap file.");
#else
      printf("Failed to load the Unicode casemap file.");
#endif
      return;
    }

#if 0
  /* Load acpi.sys */
  if (!LoadDriver(SourcePath, "acpi.sys"))
    return;
#endif

#if 0
  /* Load isapnp.sys */
  if (!LoadDriver(SourcePath, "isapnp.sys"))
    return;
#endif

#if 0
  /* Load pci.sys */
  if (!LoadDriver(SourcePath, "pci.sys"))
    return;
#endif

  /* Load scsiport.sys */
  if (!LoadDriver(SourcePath, "scsiport.sys"))
    return;

  /* Load atapi.sys (depends on hardware detection) */
  if (!LoadDriver(SourcePath, "atapi.sys"))
    return;

  /* Load buslogic.sys (depends on hardware detection) */
  if (!LoadDriver(SourcePath, "buslogic.sys"))
    return;

  /* Load class2.sys */
  if (!LoadDriver(SourcePath, "class2.sys"))
    return;

  /* Load cdrom.sys */
  if (!LoadDriver(SourcePath, "cdrom.sys"))
    return;

  /* Load cdfs.sys */
  if (!LoadDriver(SourcePath, "cdfs.sys"))
    return;

  /* Load disk.sys */
  if (!LoadDriver(SourcePath, "disk.sys"))
    return;

  /* Load floppy.sys */
  if (!LoadDriver(SourcePath, "floppy.sys"))
    return;

  /* Load vfatfs.sys (could be loaded by the setup prog!) */
  if (!LoadDriver(SourcePath, "vfatfs.sys"))
    return;


  /* Load keyboard driver */
#if 0
  if (!LoadDriver(SourcePath, "keyboard.sys"))
    return;
#endif
  if (!LoadDriver(SourcePath, "i8042prt.sys"))
    return;
  if (!LoadDriver(SourcePath, "kbdclass.sys"))
    return;

  /* Load screen driver */
  if (!LoadDriver(SourcePath, "blue.sys"))
    return;

#ifdef USE_UI
  UiUnInitialize("Booting ReactOS...");
#endif

  /* Now boot the kernel */
  DiskStopFloppyMotor();
  MachVideoPrepareForReactOS();
  FrLdrStartup(0x2badb002);
}

/* EOF */