[Info-vax] VSI OpenVMS Hobbyist Program Announced.

jirkak737 at gmail.com jirkak737 at gmail.com
Mon Jun 17 12:00:35 EDT 2019


On Monday, June 17, 2019 at 1:37:43 PM UTC+2, Dave Froble wrote:
> On 6/17/2019 2:37 AM, Hans Bachner wrote:
> > Craig A. Berry schrieb am 17.06.2019 um 01:05:
> >> [...]
> >>
> >> It also may be that the libraries that emulate the byte-oriented
> >> instructions in software have not been removed from V8.4-2L2 and work
> >> just as well on an emulator as any other "native" instruction.
> >
> > If I understood VSI correctly the point of the -2L2 build was to use
> > compiler switches to produce EV6-code only.
> >
> > As the -2L2 binaries media don't boot on real pre-EV6 hardware nor on a
> > CHARON-AXP system configured as a EV4 / EV45 system (the system just
> > hangs after "jumping to bootstrap code", consistent with what VSI
> > claimed when the -2L2 build was announced), I still suspect that
> > FreeAvanti does not tell you the whole truth when you ask it for CPU
> > capabilities.
> >
> > Hans.
> 
> Having multiple versions of any product, when there is no need, is not a 
> good thing.  So, for an emulator, you build it all into one product, and 
> allow the product to "report" whatever the user wishes.  At least that's 
> what I would do.
> 
> An emulator for just EV4 CPUs serves no purpose, and an emulator for EV6 
> CPUs should still run the subset of an EV4.
> 
> -- 
> David Froble

Avanti Release Notes says:

OpenVMS Alpha V8.4-2L2
VSI's OpenVMS V8.4-2L2 Performance Release for Alpha requires Avanti version 3.0.0.617 or higher. 

If I understand it correctly the required instuctions are included since this version.

Jiri Kaspar



More information about the Info-vax mailing list