Re: [Gems-users] accessing ruby methods

[Dan Gibson <degibson@xxxxxxxx>]

You might want to study the interface between ruby and opal in detail.

Essentially, Ruby provides a struct, its "interface" in simics lingo, 
that contains a set of function pointers to the various ruby functions. 
These functions and the struct are defined in mf_api.h. At init-time, 
these function pointers are initialized and stored in various locations 
(see OpalInterface.[Ch] for examples).
If you only need "numberOfProcessors" functionality, I would recommend 
you use the Simics API instead -- it should be much easier. See the 
Simics Reference Manual for the available API calls.
Regards,
Dan Gibson

Mladen Nikitovic wrote:
> Hi,
>
> I'm writing on a simics device, and inside it I would like to access ruby
> methods such as numberOfProcessors, but It seems I'm doing something wrong.
> The compiler complains and reports that the "structure has no member named
> `numberOfProcessors'". I tried to include some header files but it failed
> also. Does anyone have a hint?
>
>
> This is the piece of code I'm trying to run in my "empty-device". Seems that
> SIM_get_object returns a valid ruby object..
>
> conf_object_t *ruby;
>
> ruby = SIM_get_object("ruby0");
> 	if(!ruby)
> 	  SIM_log_info(1, &empty->log, 0, "Ruby object not found");
>
> SIM_log_info(1, &empty->log, 0, "ruby->numberOfProcessors(): %d",
> ruby->numberOfProcessors());
>
> Regards,
> Mladen
>
>
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