Re: [hatari-devel] Code execution discontinuities and detecting them?

[Eero Tamminen <oak@xxxxxxxxxxxxxx>]

Hi,

On tiistai 19 maaliskuu 2013, Douglas Little wrote:
> Just a quick note on DSP interrupts - if you are looking for test
> material you'll probably find it in audio applications where it's being
> used to buffer samples/DCTs from main memory, or perhaps output to the
> CODEC in a time-sensitive manner. Probably also in some demos which
> depend on this kind of behaviour for MP2 music, 3D vertex data streaming
> etc.

To test the function cost collecting, I would need symbol information
for the test programs.  I don't remember any of them providing symbol
information for their DSP code... :-)


> (Unfortunately you won't find anything like this in my project as the DSP
> is used more like a conventional processor / GPU with a simple host-based
> command structure and mostly very small, separate packets of data).

I have CPU & DSP symbols for Bad Mood, that's enough for now.

Another test-case that I use is EmuTOS and its boot as it's
trivial to automate and always produces same results (so changes
are easy to verify).


	- Eero

> 
> D.
> 
> On 19 March 2013 09:40, Eero Tamminen <oak@xxxxxxxxxxxxxx> wrote:
> > Hi,
> > 
> > On tiistai 19 maaliskuu 2013, Laurent Sallafranque wrote:
> > > Can there be exceptions within exception handler, and
> > > in which case RTI returns just to previous handler?
> > > 
> > > ? Sorry, I don't understand what you're asking here.
> > 
> > 1. Can there be another exception while current one is being handled?
> > 
> > 2. Will RTI return to previous exception previous handler, if it had
> > 
> >    not finished (instead of e.g. terminating all exceptions being
> >    handled at the moment)?
> >    
> >         - Eero