Re: [Qemu-devel] Get current env within io_handler ?

["Andreas Färber" <afaerber@suse.de>]

Am 15.05.2012 17:12, schrieb nicolas.sauzede:
> [...] when trying smp mode, I can't manage to retrieve the current env
> (ie: current smp processor number, registers, etc..),
> because it seems like the "cpu_single_env" variable is set to NULL
> explicitly in cpu-exec.c :
>      /* fail safe : never use cpu_single_env outside cpu_exec() */
>      cpu_single_env = NULL;
>      return ret;
>  }
> 
> Is this intentional ? Would it be very bad to get access to the current
> env in io_handler ? (it works if commenting out "cpu_single_env = NULL;")

I don't understand what io_handler you mean, but usually you have access
to an "env" variable, either passed explicitly or available pinned to
AREG0 register. cpu_single_env by contrary is most likely not the
solution you are looking for.

Andreas

-- 
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg