On Fri, 13 Jun 2008 19:26:42 EDT Pietro Gagliardi <[EMAIL PROTECTED]>  wrote:
> On Jun 13, 2008, at 7:01 PM, Bakul Shah wrote:
> 
> > IMHO a virtualizable processor is the necessary first step as
> 
> 
> And don't forget the cost of a virtualizer v. the cost of actual  
> hardware. Verilog is free, but the device to make it is not. Start  
> simple:
> 
>       void
>       main(int, char *[])
>       {
>               while(readbyte()){
>                       parseinst();
>                       doinst();
>               }
>               exits(nerrs ? "error" : 0);
>       }

?

You don't need this sort of code in a virtualizable processor.
See for example
  http://en.wikipedia.org/wiki/Popek_and_Goldberg_virtualization_requirements

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