Re: Need some help with xtensa processor
Ben Greear <[email protected]>
| Newsgroups | gmane.comp.gdb.devel |
|---|---|
| Message-ID | <[email protected]> |
On 08/16/2016 05:11 PM, Sterling Augustine wrote: > On Tue, Aug 16, 2016 at 5:01 PM, Ben Greear <[email protected]> wrote: >> >> Hello! >> >> I'm working on a closed source (not my decision) project that uses >> an xtensa cpu. I have no jtag access to this board, but I can pass >> messages, including grabbing 'logs' and stack traces on crash, and so forth. > > Can the Cadence people not help you? > > If you have a copy of the ISA book or the programmer's book, then I > believe they have explanations on how to set the registers as well. > > Failing all that, then your best bet it to look at the gdb sources and > see how it is done. Cadence probably could, but I don't think I rate high enough for them to care. I have the ISA book, and you can find it online, and I think I am close, but I must be missing something. I suspect it is the exception vector...trying to figure out how to set that now. Thanks, Ben -- Ben Greear <[email protected]> Candela Technologies Inc http://www.candelatech.com