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Hi, On Tue, 5 Nov 2002, Simon Berry wrote: > Hi all > > Does anyone know how one would go about creating an interface/back-end to > gdb that use JTAG/ICE to debug a target board ? I know that there are > commercial offerings (e.g raven,wiggler etc from Macraigor) but I want to > use my own "JTAG hardware" (similar to altera byteblaster). > > At the moment I am using a small program by Simon Wood to control the target > processor via JTAG. This implements a simple debugger (with the JTAG > "protocol" in software, unlike the commercial offerings) and connects to the > target via the abovementioned "byteblaster" type cable (on parallel port). > However I wish to use the superior (no offence Mr Wood) capabilities of gdb > (breakpoints, stepping etc.). > > My feeling is that I could use the base code that I have and somehow adapt > it to present an interface that GDB needs (the fundamental question: what is > this interface ????). I suppose that the right mailing list is gdb@sources.redhat.com You have to write so called target. Target primitives allow to start/stop/step targer, read/write memory and registers and it is basically it. There are quite a few targets already implemented, so you have a lot of sample code there. > > I have had a decent (I think) look around mailing list archives and the web, > but it appears that there is not much on this topic. > > My target is an ARM920T processor. > > Thanks > Simon Berry > > > ------ > Want more information? See the CrossGCC FAQ, http://www.objsw.com/CrossGCC/ > Want to unsubscribe? Send a note to crossgcc-unsubscribe@sources.redhat.com > If you have any questions still post it on gdb mailing list or write to me directly. Thanks, Aleksey ------ Want more information? See the CrossGCC FAQ, http://www.objsw.com/CrossGCC/ Want to unsubscribe? Send a note to crossgcc-unsubscribe@sources.redhat.com
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