arch/all-hosted/devs/hostdisk/automount.c

   1 /*
   2     Copyright © 1995-2014, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <aros/debug.h>
   7 #include <dos/filehandler.h>
   8 #include <exec/rawfmt.h>
   9 #include <libraries/expansion.h>
  10 #include <libraries/expansionbase.h>
  11 #include <proto/exec.h>
  12 #include <proto/expansion.h>
  13
  14 #include LC_LIBDEFS_FILE
  15
  16 extern const char GM_UNIQUENAME(LibName)[];
  17
  18 static int Automount(struct HostDiskBase *hdskBase)
  19 {
  20     struct ExpansionBase *ExpansionBase = NULL;
  21     char *unit;
  22     struct DriveGeometry dg;
  23     ULONG u, len;
  24
  25     if (hdskBase->segList)
  26     {
  27         D(bug("hostdisk: Loaded from disk, skipping automount.\n"));
  28         return TRUE;
  29     }
  30
  31     len = strlen(hdskBase->DiskDevice) + 5;
  32     unit = AllocMem(len, MEMF_ANY);
  33     if (!unit)
  34         return FALSE;
  35
  36     for (u = 0; u < 30; u++)
  37     {
  38         IPTR pp[24];
  39
  40         NewRawDoFmt(hdskBase->DiskDevice, (VOID_FUNC)RAWFMTFUNC_STRING, unit, u + hdskBase->unitBase);
  41
  42         if (Host_ProbeGeometry(hdskBase, unit, &dg) == 0)
  43         {
  44             struct DeviceNode *devnode;
  45             TEXT dosdevname[4] = "HD0";
  46
  47             if (!ExpansionBase)
  48             {
  49                 ExpansionBase = (struct ExpansionBase *)OpenLibrary("expansion.library", 40);
  50                 if (!ExpansionBase)
  51                 {
  52                     FreeMem(unit, len);
  53                     return FALSE;
  54                 }
  55             }
  56
  57             if (u < 10)
  58                 dosdevname[2] += u % 10;
  59             else
  60                 dosdevname[2] = 'A' - 10 + u;
  61
  62             D(bug("hostdisk: Automounting %s as %s\n", unit, dosdevname));
  63
  64             pp[0]               = (IPTR)dosdevname;
  65             pp[1]               = (IPTR)GM_UNIQUENAME(LibName);
  66             pp[2]               = u;
  67             pp[DE_TABLESIZE    + 4] = DE_BOOTBLOCKS;
  68             pp[DE_SIZEBLOCK    + 4] = dg.dg_SectorSize >> 2;
  69             pp[DE_NUMHEADS     + 4] = dg.dg_Heads;
  70             pp[DE_SECSPERBLOCK + 4] = 1;
  71             pp[DE_BLKSPERTRACK + 4] = dg.dg_TrackSectors;
  72             pp[DE_RESERVEDBLKS + 4] = 2;
  73             pp[DE_LOWCYL       + 4] = 0;
  74             pp[DE_HIGHCYL      + 4] = dg.dg_Cylinders - 1;
  75             pp[DE_NUMBUFFERS   + 4] = 10;
  76             pp[DE_BUFMEMTYPE   + 4] = MEMF_PUBLIC;
  77             pp[DE_MAXTRANSFER  + 4] = 0x00200000;
  78             pp[DE_MASK         + 4] = -2; /* On Windows Host_Read() fails with ERROR_INVALID_PARAMETER on odd addresses */
  79             pp[DE_BOOTPRI      + 4] = 0;
  80             pp[DE_DOSTYPE      + 4] = AROS_MAKE_ID('D','O','S','\001');
  81             pp[DE_CONTROL      + 4] = 0;
  82             pp[DE_BOOTBLOCKS   + 4] = 2;
  83
  84             devnode = MakeDosNode(pp);
  85             if (!devnode)
  86             {
  87                 CloseLibrary(&ExpansionBase->LibNode);
  88                 FreeMem(unit, len);
  89                 return FALSE;
  90             }
  91
  92             AddBootNode(pp[DE_BOOTPRI + 4], ADNF_STARTPROC, devnode, NULL);
  93         }
  94     }
  95
  96     if (ExpansionBase)
  97         CloseLibrary(&ExpansionBase->LibNode);
  98
  99     FreeMem(unit, len);
 100     return TRUE;
 101 }
 102
 103 ADD2INITLIB(Automount, 20);