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David: On Tue, Sep 17, 2002 at 03:14:12PM -0400, David Knuth wrote: > Hi, > > I've built a gcc cross-compiler on Darwin (Mac OS X) and am now looking > for a way to do cross-debugging from gdb to a 68332 target via BDM. > There are a number of hurdles here. > > 1) Has anyone done this from Mac OS X? > 2) How do I configure gdb to use a USB port (late Mac's have only USB > and FireWire ports)? > 3) Will I likely have to develop my own USB drivers (IOKit?)? > 4) Do I have to build a custom USB <-> BDM device? Are there any > commercial ones available? > 5) Should I instead use a USB <-> RS232 converter and then something > from RS-232 <-> BDM? What? > > I suspect there will be a long road ahead before my goal is realized. > Thanks for any input to get me going. I use an Abatron BDIgdb. It's an ethernet-to-BDM (or ethernet-to-JTAG, depending on which one you get) adapter that speaks gdb's native remote serial protocol. It's easy to set up, just plug it into your ethernet, twiddle a few configuration settings to tell it about your CPU32 bus speed and so forth, then start talking to it with gdb's "target remote" command. It uses a vanilla gdb, not a patched one. I've abused the CPU32 version pretty hard, and it's always come back for more. It's pretty robust. It even has a hook to tie into the RSP console out ("O") command. It's a bit pricey, at about $2k USD, but you don't have to burn up much time trying to get something else to work before it's a much more cost-effective and productive solution. No, I don't work for Abatron. I just like their stuff. :^) b.g. -- Real embedded GNU and embedded Linux training is available. See http://billgatliff.com for details. ------ 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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