rom/dosboot/boot.c

   1 /*
   2     Copyright � 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Boot your operating system.
   6     Lang: english
   7 */
   8
   9 #define DEBUG 0
  10 #include <aros/debug.h>
  11
  12 #include <exec/types.h>
  13 #include <exec/alerts.h>
  14 #include <exec/libraries.h>
  15 #include <exec/devices.h>
  16 #include <exec/execbase.h>
  17 #include <aros/libcall.h>
  18 #include <aros/asmcall.h>
  19 #include <dos/dosextens.h>
  20 #include <dos/filesystem.h>
  21 #include <libraries/expansionbase.h>
  22 #include <utility/tagitem.h>
  23
  24 #include <proto/exec.h>
  25 #include <proto/dos.h>
  26
  27 void __dosboot_Boot(struct ExecBase *SysBase, BOOL hidds_ok)
  28 {
  29     LONG rc = RETURN_FAIL;
  30     BPTR cis = NULL;
  31
  32     /*  We have been created as a process by DOS, we should now
  33         try and boot the system. */
  34
  35     struct DosLibrary *DOSBase;
  36     D(bug("[DOSBoot] __dosboot_Boot()\n"));
  37
  38     DOSBase = (struct DosLibrary *)OpenLibrary("dos.library", 0);
  39     if( DOSBase == NULL )
  40     {
  41         /* BootStrap couldn't open dos.library */
  42         Alert(AT_DeadEnd | AN_BootStrap | AG_OpenLib | AO_DOSLib );
  43     }
  44
  45     if (hidds_ok)
  46         cis = Open("CON:20/20///Boot Shell/AUTO", FMF_READ);
  47     else
  48         kprintf("Failed to load system HIDDs\n");
  49     if (cis)
  50     {
  51         struct ExpansionBase *ExpansionBase;
  52         BPTR sseq = NULL;
  53         BOOL opensseq = TRUE;
  54
  55         struct TagItem tags[] =
  56             {
  57                 { SYS_Asynch,      TRUE       }, /* 0 */
  58                 { SYS_Background,  FALSE      }, /* 1 */
  59                 { SYS_Input,       (IPTR)cis  }, /* 2 */
  60                 { SYS_Output,      (IPTR)NULL }, /* 3 */
  61                 { SYS_Error,       (IPTR)NULL }, /* 4 */
  62                 { SYS_ScriptInput, (IPTR)NULL }, /* 5 */
  63                 { TAG_DONE,       0           }
  64             };
  65
  66         if ((ExpansionBase = (struct ExpansionBase *)OpenLibrary("expansion.library", 0)) != NULL)
  67         {
  68             opensseq = !(ExpansionBase->Flags & EBF_DOSFLAG);
  69             CloseLibrary(ExpansionBase);
  70         }
  71
  72         D(bug("[DOSBoot] __dosboot_Boot: Open Startup Sequence = %d\n", opensseq));
  73
  74         if (opensseq)
  75         {
  76             sseq = Open("S:Startup-Sequence", FMF_READ);
  77             tags[5].ti_Data = (IPTR)sseq;
  78         }
  79         else
  80         {
  81             tags[5].ti_Tag = TAG_IGNORE;
  82         }
  83
  84         rc = SystemTagList("", tags);
  85         if (rc != -1)
  86         {
  87             cis  = NULL;
  88             sseq = NULL;
  89         }
  90         else
  91             rc = RETURN_FAIL;
  92         if (sseq != NULL)
  93             Close(sseq);
  94     } else
  95         kprintf("Cannot open boot console\n");
  96
  97     /* We get here when the Boot Shell Window is left with EndShell/EndCli.
  98        There's no RemTask() here, otherwise the process cleanup routines
  99        are not called. And that would for example mean, that the
 100        Boot Process (having a CLI) is not removed from the rootnode.
 101        --> Dead stuff in there -> Crash
 102     */
 103 }