On Sun, Jun 3, 2012 at 6:27 PM, Alexander Osipenko <[email protected]> wrote:
> Hello again,
>
> I'm still trying to return a value from "arm946e cp15" command to the
> calling script.
>
> I was not able to identify code patterns of return values
> fromCOMMAND_HANDLER()
> to the script engine.
>
You're correct. COMMAND_HANDLER() just prints out various information and
you can detect success/failure from Tcl.
Tcl commands have a well defined return value in addition to the
success/failure exception state.
>
>
> I guess to change the behavior of existing command, the other way
> is to add new "arm946e_cp15" for example, command.
> Which will be preferrable?
>
I guess we'll need both kinds of commands in some cases, but I think it
makes sense to switch some to tcl only.
Perhaps you can try the "mcr/mrc" commands? Does that work for your
architecture?
--
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