On Wednesday 31 March 2010, Alexei Babich wrote:
> From:
> Alexei Babich <[email protected]> (Rezonans plc.)
> To:
> [email protected]
> Date:
> Today 1:14:51 am
>
> Hello everyone.
> Sorry for the stupid question.
> When I run the Open On-Chip Debugger 0.5.0-dev-00141-g33e5dd1 and connect via
> telnet to it, I run the command 'help arm', which shows, in particular:
> ---
> arm mcr cpnum op1 CRn op2 CRm value
> write coprocessor register
> ---
>
> In the OpenOCD manual written otherwise, as I understand it:
> ---
> arm mcr pX op1 CRn CRm op2 value
> ---
>
> The order of arguments is different?
There *should* be a single order, matching the ARM Architecture Reference
Manual,
which says (v7A/AR edition)
MCR<c> <coproc>,<opc1>,<Rt>,<CRn>,<CRm>{,<opc2>}
However, the OpenOCD code has suffered confusion on that point. At on point I
counted no less then three different orders for those parameters, some of which
appeared to be essentially random..
It would appear that the confusion isn't entirely resolved yet; sigh.
DO you know if the bug is just in documentation, or also in code?
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