rom/dos/boot.c

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id: boot.c 21768 2004-06-17 21:59:56Z hkiel $
   4
   5     Desc: Boot your operating system.
   6     Lang: english
   7 */
   8
   9 #include <exec/types.h>
  10 #include <exec/alerts.h>
  11 #include <exec/libraries.h>
  12 #include <exec/devices.h>
  13 #include <exec/execbase.h>
  14 #include <aros/libcall.h>
  15 #include <aros/asmcall.h>
  16 #include <dos/dosextens.h>
  17 #include <dos/filesystem.h>
  18 #include <libraries/expansionbase.h>
  19 #include <utility/tagitem.h>
  20 #include <aros/debug.h>
  21
  22 #include <proto/exec.h>
  23 #include <proto/dos.h>
  24
  25 void boot(struct ExecBase *SysBase, BOOL hidds_ok)
  26 {
  27     LONG rc = RETURN_FAIL;
  28     BPTR cis;
  29
  30     /*  We have been created as a process by DOS, we should now
  31         try and boot the system. */
  32
  33     struct DosLibrary *DOSBase;
  34
  35     DOSBase = (struct DosLibrary *)OpenLibrary("dos.library", 0);
  36     if( DOSBase == NULL )
  37     {
  38         /* BootStrap couldn't open dos.library */
  39         Alert(AT_DeadEnd | AN_BootStrap | AG_OpenLib | AO_DOSLib );
  40     }
  41
  42     if (hidds_ok)
  43         cis = Open("CON:20/20///Boot Shell/AUTO", FMF_READ);
  44     else
  45         kprintf("Failed to load system HIDDs\n");
  46     if (cis)
  47     {
  48         struct ExpansionBase *ExpansionBase;
  49         BPTR sseq = NULL;
  50         BOOL opensseq = TRUE;
  51
  52         struct TagItem tags[] =
  53             {
  54                 { SYS_Asynch,      TRUE       }, /* 0 */
  55                 { SYS_Background,  FALSE      }, /* 1 */
  56                 { SYS_Input,       (IPTR)cis  }, /* 2 */
  57                 { SYS_Output,      (IPTR)NULL }, /* 3 */
  58                 { SYS_Error,       (IPTR)NULL }, /* 4 */
  59                 { SYS_ScriptInput, (IPTR)NULL }, /* 5 */
  60                 { TAG_DONE,       0           }
  61             };
  62
  63         if ((ExpansionBase = (struct ExpansionBase *)OpenLibrary("expansion.library", 0)) != NULL)
  64         {
  65             opensseq = !(ExpansionBase->Flags & EBF_DOSFLAG);
  66             CloseLibrary(ExpansionBase);
  67         }
  68
  69         D(bug("[SubMain] Open Startup Sequence = %d\n", opensseq));
  70
  71         if (opensseq)
  72         {
  73             sseq = Open("S:Startup-Sequence", FMF_READ);
  74             tags[5].ti_Data = (IPTR)sseq;
  75         }
  76
  77         rc = SystemTagList("", tags);
  78         if (rc != -1)
  79         {
  80             cis  = NULL;
  81             sseq = NULL;
  82         }
  83         else
  84             rc = RETURN_FAIL;
  85         if (sseq != NULL)
  86             Close(sseq);
  87     } else
  88         kprintf("Cannot open boot console\n");
  89
  90     /* We get here when the Boot Shell Window is left with EndShell/EndCli.
  91        There's no RemTask() here, otherwise the process cleanup routines
  92        are not called. And that would for example mean, that the
  93        Boot Process (having a CLI) is not removed from the rootnode.
  94        --> Dead stuff in there -> Crash
  95     */
  96 }