Need some help with xtensa processor

Sterling Augustine
Wed Aug 17 00:11:00 GMT 2016

On Tue, Aug 16, 2016 at 5:01 PM, Ben Greear <> 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.

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