rom/partition/loadbootfilesystems.c

   1 #include <aros/debug.h>
   2 #include <aros/libcall.h>
   3 #include <dos/dosextens.h>
   4 #include <proto/dos.h>
   5 #include <proto/exec.h>
   6
   7 #include "partition_support.h"
   8 #include "fsloader.h"
   9
  10 /*****************************************************************************
  11
  12     NAME */
  13         AROS_LH0(LONG, LoadBootFileSystems,
  14
  15 /*  SYNOPSIS */
  16
  17 /*  LOCATION */
  18         struct Library *, PartitionBase, 24, Partition)
  19
  20 /*  FUNCTION
  21         Perform a deferred loading of boot filesystems.
  22
  23     INPUTS
  24         None.
  25
  26     RESULT
  27         Zero if everything went okay or DOS error code in case of failure.
  28
  29     NOTES
  30         This function is actually private, it's called by dos.library during
  31         initialization process. There's no sense to call it from within user
  32         software.
  33
  34     EXAMPLE
  35
  36     BUGS
  37
  38     SEE ALSO
  39
  40     INTERNALS
  41
  42     HISTORY
  43
  44 *****************************************************************************/
  45 {
  46     AROS_LIBFUNC_INIT
  47
  48     struct BootFileSystem *bfs, *bfs2;
  49     struct DosLibrary *DOSBase = (struct DosLibrary *)OpenLibrary("dos.library", 36);
  50     ULONG lasterr = 0;
  51
  52     /* We should really have dos.library online now */
  53     D(bug("[LoadBootPartitions] DOSBase 0x%p\n", DOSBase));
  54     if (!DOSBase)
  55         return ERROR_INVALID_RESIDENT_LIBRARY;
  56
  57     ObtainSemaphore(&PBASE(PartitionBase)->bootSem);
  58
  59     ForeachNodeSafe(&PBASE(PartitionBase)->bootList, bfs, bfs2)
  60     {
  61         ULONG res;
  62         /*
  63          * Unfortunately we have no way to process errors here.
  64          * Well, let's hope that everything will be okay.
  65          */
  66         D(bug("[LoadBootPartitions] Loading %s...\n", bfs->ln.ln_Name));
  67
  68         res = AddFS(PartitionBase, bfs->handle);
  69         if (res)
  70         {
  71             lasterr = res;
  72         }
  73         else
  74         {
  75             /* A filesystem is loaded, remove it from the queue and free associated data. */
  76             Remove(&bfs->ln);
  77             bfs->handle->handler->freeFileSystem(bfs->handle);
  78             FreeMem(bfs, sizeof(struct BootFileSystem));
  79         }
  80     }
  81
  82     ReleaseSemaphore(&PBASE(PartitionBase)->bootSem);
  83
  84     /*
  85      * We don't hold dos.library here because it may want to be expunged
  86      * (see dos_init.c and cliinit.c).
  87      */
  88     CloseLibrary(&DOSBase->dl_lib);
  89     return lasterr;
  90
  91     AROS_LIBFUNC_EXIT
  92 }