Re: [Simulavr-devel] simulator performance

[Joel Sherrill]

Weddington, Eric wrote:
>  
>
>   
> > -----Original Message-----
> > From: Chris Kuethe [mailto:address@hidden 
> > Sent: Thursday, March 12, 2009 2:10 PM
> > To: Joel Sherrill
> > Cc: Weddington, Eric; address@hidden
> > Subject: Re: [Simulavr-devel] simulator performance
> >
> > On Thu, Mar 12, 2009 at 1:54 PM, Joel Sherrill
> > <address@hidden> wrote:
> >     
> > > Something I can see?  /dev/stdout?
> > >
> > > Sorry console is a word with meaning in the RTEMS
> > > community.  It is from the old school UNIX /dev/console.
> > >       
> > Like Eric said... "what console?"
> >
> > There are examples in the avr-libc docs on how to set up something
> > that looks like stdio to use some variant of printf(). or you could
> > just write bytes to the USART yourself. But you're programming
> > basically on bare metal, you don't have all the luxury frills that an
> > OS provides...  (unless you're writing the OS)
> >     
>
> Well, to be fair, Joel has done that:
> <http://rtems.org/>
>
>   
<blush> thanks for the plug.

<hint> we need context switch code to help finish the AVR port. :)
> The problem (AIUI) is that RTEMS is used to running on Newlib, which provides a 
> POSIX environment/library. Avr-libc does not.
>   
Right but this time I am just doing simple bare metal
with avr-libc.  I am so used to how newlib does it that
I have to be retrained. :)

--
Joel Sherrill, Ph.D.             Director of Research & Development
address@hidden        On-Line Applications Research
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