From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cagney To: Marko Mlinar Cc: gdb@sources.redhat.com, Damjan Lampret , igorm@opencores.org, Johan Rydberg Subject: Re: gdb port to or1k Date: Mon, 30 Apr 2001 09:45:00 -0000 Message-id: <3AED96B5.A23BC23C@cygnus.com> References: <00a501c0ce7d$1fa4c5e0$bb4902c1@Javor> <5mhezbmi6i.fsf@jtc.redback.com> <004b01c0cee8$5617aaa0$e54902c1@Javor> <3AE9CE96.1E5168A6@cygnus.com> <00a401c0cfa9$88b108a0$dc4902c1@Javor> X-SW-Source: 2001-04/msg00227.html Marko Mlinar wrote: > > > Provided your target is implemented correctly it will just build and > > work from any host. There is also gdb/ser-unix.c which addresses many > > of the portability issues (provided it is talking to something that > > looks like a serial device). > Huh, do you know where can I get infos neeed for various platforms and > test them? What is the practice for this in GNU? Sorry, you've lost me here. > > One thing, people have found that trying to bash bits through lpt can be > > really slow. There is an open source project that included a (linux) > > device driver to do that bit banging (I've lost the url? :-( ). > I've seen JTAG driver or BDM driver. > I am aware that JTAG driver is very slow. > We are hoping we can get troughput of 75kB/sec (with some extra logic), > and 15kB/sec without any logic. > Do you think that is enough? Given I've never used jtag via a parallel port I'm not the one to ask :-) Hopefully others will be able to answer. Andrew