RE: [ECOS] eCos debugging using GDB over Ethernet

["Trenton D. Adams" <tadams at theone dot dnsalias dot com>]

Maybe he could ship you a beer Gary? ;)

> -----Original Message-----
> From: ecos-discuss-owner@sources.redhat.com 
> [mailto:ecos-discuss-owner@sources.redhat.com] On Behalf Of 
> Gary Thomas
> Sent: December 5, 2001 3:53 PM
> To: Geoff Patch
> Cc: 'ecos-discuss@sources.redhat.com'
> Subject: RE: [ECOS] eCos debugging using GDB over Ethernet
> 
> 
> On Wed, 2001-12-05 at 15:35, Geoff Patch wrote:
> > Hi All,
> > 
> > I posted a request to the list a few days ago asking for 
> ideas about 
> > improving our LAN gdb debugging reliability.
> > 
> > Andrew Lunn suggested I incorporate the following changes:
> > 
> > > 2001-08-14  Gary Thomas  <gthomas@redhat.com>
> > >
> > >         * src/stand_alone/eth_drv.c (eth_drv_write):
> > >         (eth_drv_tx_done):
> > >         (eth_drv_read): Better handling of stacking (layering) of 
> > drivers.
> > >         RedBoot (stand alone code) is designed to call 
> into the eCos
> > >         stack and these changes make sure that this is 
> done properly
> > >         nested/stacked.  These changes also affect the behaviour 
> > positively
> > >         for CR 902745-CR.
> > >
> > >         * src/net/eth_drv.c (eth_drv_send): Add locking 
> of driver while
> > >         actual hardware routines are involved.  Since the 
> same driver
> > >         can be shared by both eCos and RedBoot, it is 
> imperative that
> > >         additional locking (in the form of locking the 
> scheduler) be
> > >         employed during this window to make sure that the 
> hardware is
> > >         handled in complete, consistent steps.  This 
> helps with known
> > >         bug CR 902745-CR.
> > 
> > I've done this, and it appears to have improved the 
> situation. We haven't 
> > tested it thoroughly, so there may still be problems, but 
> we're definitely 
> > a lot better off than we were.  If anybody else is having 
> similar problems 
> > I'd recommend applying these changes.
> > 
> 
> These changes (and a number of others in the hal/common and io/eth
> directories) are already in anonCVS.  It was on the top of 
> Andrew's mind
> since he is working on this problem from a static [released] 
> source tree
> that we've provided to his company.
> 
> > Thanks Andrew!  If you ever make it down to Australia, drop 
> by and I'll buy 
> > you a beer. :-)
> 
> Hey, what about me?  I did all the _real_ work :-)
> 
> > 
> > 
> > Cheers
> > 
> > 
> > Geoff
> > 
> > 
> > ------------------------------
> > Geoff Patch
> > Senior Software Engineer
> > CEA Technologies
> > Canberra Australia
> > 02-6213 0141
> 
>