From mboxrd@z Thu Jan  1 00:00:00 1970
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
In-reply-to: Your message of "Fri, 13 Jun 2008 19:26:42 EDT."
	<E77A11B1-402A-4CAD-B8C7-874B3E09F261@mac.com>
From: Bakul Shah <bakul+plan9@bitblocks.com>
Date: Fri, 13 Jun 2008 16:36:53 -0700
Message-Id: <20080613233653.E6C2A5B46@mail.bitblocks.com>
Subject: Re: [9fans] I/O load crashes Qemu
Topicbox-Message-UUID: c0382524-ead3-11e9-9d60-3106f5b1d025

On Fri, 13 Jun 2008 19:26:42 EDT Pietro Gagliardi <pietro10@mac.com>  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