Re: [OpenOCD-devel] What is all this --expected-id stuff about?

[Andreas F. <and...@gm...>]

On Tue, May 31, 2016 at 5:13 PM, Uwe Bonnes <
bo...@el...> wrote:

> Hello,
>
> what is the reason to have all this --expected-id stuff in the
> configuration
> files. If we have a problem in these number, like at the moment in
> stm32f7x.cfg, it is hard to see the problem for devellopers with SWD-only
> debuggers or debugger targets.
>
> >From src/jtag/core.c, I see that if no --expected-id is provided,
> jtag_examine_chain_match_tap() also returns success.
>
> For a production environment, I see a purpose for --expected-id, but for
> the
> distributed configuration this option is hard and tedious to maintain.
>
> So I propose to remove all --expected-id from our distributed
> configurations.
>
> A similar discussion started around http://openocd.zylin.com/#/c/3377/ but
> to no definite outcome.
>
>
>
Also see http://openocd.zylin.com/3385

I don't mind removing the BSTAPID blocks from STM32 configs, since the BS
TAP is rarely used with OpenOCD, so complaining about a mismatch is mostly
an annoyance. I wouldn't go so far as to remove *all* -expected-ids from
*all* target configs.

/Andreas