On Thu, 15 Jul 2010 11:25:06 +1000 robin <[email protected]> wrote:
:>It's possible in the s/390 architecture to trap (inhibit) non-priveleged :>instructions, using EX to execute every instruction [except, of course, :>EX itself]. The overheads are not "an order of magnitude", but are :>not trivial either. :>We did this [use EX to execute programs] in a load-and-go assembler :>that provided run-time diagnostic support. And branch instructions. An the choice of the base register to use to point to the instruction. The instruction would have to be interpreted to determine what register is available. -- Binyamin Dissen <[email protected]> http://www.dissensoftware.com Director, Dissen Software, Bar & Grill - Israel Should you use the mailblocks package and expect a response from me, you should preauthorize the dissensoftware.com domain. I very rarely bother responding to challenge/response systems, especially those from irresponsible companies.
