Heap Allocation problem

[Cedric Aubert]

--- Joel Sherrill <joel.sherrill at OARcorp.com> wrote:
> Cedric Aubert wrote:
> 
> > Hi
> > 
> > I have solve my problem by have more memory in the
> > workspace area. I don't understand why because the
> > efi68k (same cpu) have the same size than my
> board.
> 
> The memory allocation to heap and rtems workspace is
> done (on m68k BSPs) based upon some variables in the
> linkcmds if you have used the shared
> bsp_pretasking_hook
> like most of the m68k BSPs.  If you don't get those
> variables right, then your RAM is not properly
> reflected
> into the heap size, etc.
> 

Ok I will have a look later, I am base on
efi68k with a modified efi68k linkcmds with
the bsp_pretasking_hook

> 
> > But now I have some trouble in function 
> > rtems_io_register_name. I don't really understand
> > how termio works but I will take a closer look.
> :-)
> 
> It could ahve run out of memory.  What test are you
> debugging with?
>
I try to debug with hello_world test. For the moment
I try to have correct memory initialisation with
a console (68681) with termio support.

> > A general question does it mandatory to have a
> imfs 
> > with rtems ?
> 
> If you use the console device, then yes it is
> mandatory
> to have the miniIMFS or IMFS.  The miniIMFS provides
> device node support.  RTEMS uses device nodes like
> UNIX and that requires a minimal filesystem.

That what I think, because I haven't made any imfs
and mknod hang during the shared console_initialize
function !!!!

> > Thanks a lot
> > 
> > Cedric
> > 
> > PS : Does anyone known some french firm that have
> > RTEMS support for customer like me :-) ??
> 
> I know of people who would take RTEMS consulting
> work in
> France but for support in the traditional sense, I
> think
> OAR is the only one offering it.

Can you give me contact with those consulting people 
:-) ?

> For consulting that involves more on-site
> development, OAR
> has some standing arrangements with people in other
> parts
> of the world.

Ok

Thanks

Cedric

> --joel
> 
> > 
> > --- Cedric Aubert <cedric_aubert at yahoo.fr> wrote:
> > 
> >>Hi,
> >>
> >>I am doing a BSP for a 68k board and I have some
> >>trouble
> >>in the _Heap_Allocate function. My board go to
> >>Internal_Error_Occured fucntion.
> >>
> >>In fact in _Workspace_Allocate_or_fatal_error 
> >>called by User_extensions_Handler_initilisation() 
> >>called by rtems_initialize_executive_early(), the 
> >>function Internal_Error_Occured is call because
> >>_Heap_Allocate return NULL. It's seem to be the
> >>second return NULL of this function. I don't
> >>understand
> >>why.
> >>
> >>Does anyone have had a similar problem during
> >>coding a BSP ????
> >>
> >>Thanks a lot
> >>
> >>Cedric
> >>
> >>__________________________________
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> > 
> > 
> > 
> > =====
> > AUBERT Cedric
> > SDEL Controle Commande
> > rue Nungesser & Coli
> > 44860 St Aignan de Grand Lieu
> > 
> > E-mail : cedric_aubert at yahoo.fr
> > Http : http://www.controle-commande.sdel.fr/
> > 
> > __________________________________
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> 
> 
> -- 
> Joel Sherrill, Ph.D.             Director of
> Research & Development
> joel at OARcorp.com                 On-Line
> Applications Research
> Ask me about RTEMS: a free RTOS  Huntsville AL 35805
> Support Available                (256) 722-9985
> 


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