Charles, Same here ...I want to know ..need to know ? Jim what do you suggest ?
Regards, Scott On Sat, Nov 28, 2015 at 1:34 PM, Charles Mills <charl...@mcn.org> wrote: > > The CPU model number will not be of any use in determining the > architecture level which is supported by the release of zPDT > > Okay. I'll bite. What is a good indicator? Only the CVT feature bits? > > > if you could be running under a Linux > > At least at this moment my sole interest is z/OS, native or VM guest. > > Charles > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On > Behalf Of Jim Mulder > Sent: Saturday, November 28, 2015 10:25 AM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Re: Machine Types and Architecture Levels > > > I am trying to come up with a complete mapping of 4-digit machine > > types > to > > C/C++ ARCH levels. (The universe for my "complete" is z architecture.) > > > > Google tells me that the zPDT is machine type 1090 or 1091. Is there a > > correlation to architecture level? I kind of get the feeling that IBM > ships > > a software update from time to time that updates the instruction set > > to > > *some* level. Is there a way to determine the architecture level of a > zPDT > > instance other than by testing feature bits in the CVT? How does one > > set > the > > C or COBOL ARCH level if one is targeting zPDT? > > The CPU model number will not be of any use in determining the > architecture level which is supported by the release of zPDT or RD&T under > which you are running. > > > VM does not generally alter the problem instruction set of a guest, > right, > > nor change the machine type number? (I recall that one can change the > serial > > number.) If VM is running on a z196, every guest sees a machine type > > of 2817, correct? VM neither adds store on condition to a machine that > > does > not > > support it at the hardware level, nor deletes it from a machine that > does? > > For z/VM, some terminology which may concern you is > "Virtual Architecture Level". And if you could be running under a Linux > which > is a z/VM guest, you may need to be concerned about "Live Guest > Relocation". > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
