Hum, I really find bit 7 amusing. What does STFLE set that bit to when STFLE is not available. No, wait, what?
On Thu, Jun 13, 2013 at 12:14 PM, Randy Schafer < randy.schafer.a...@statefarm.com> wrote: > You could also try > > STFLE FUNCTION > > Then check the first word: > > - Bits (0-7) > > 0 - N3 INSTRUCTIONS AVAILABLE > 1 - Z/ARCH MODE INSTALLED > 2 - Z/ARCH MODE ACTIVE > 3 - DAT ENHANCEMENT INSTALLED > 4 - IDTE DOES CLEARING (ASCE) > 6 - ASN AND LX REUSE INSTALLED > 7 - STFLE AVAILABLE > > > -----Original Message----- > From: IBM Mainframe Assembler List [mailto:ASSEMBLER-LIST@LISTSERV.UGA.EDU] > On Behalf Of John McKown > Sent: Thursday, June 13, 2013 12:08 PM > To: ASSEMBLER-LIST@LISTSERV.UGA.EDU > Subject: Re: 64 bit question > > Why not just try to get memory above the line, using IARST64 REQUEST=GET, > and check the return code? > > http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/IEA2A9B0/4.1 > > Or, you might check the CVTV64 bit in the CVTOSLV2 flag field of the CVT > (CVT macro), after checking that FLCARCH is non-zero in the PSA (IHAPSA > macro). > > USING PSA,0 > CLI FLCARCH,0 > BZ NO64BIT > L 1,FLCCVT > DROP 0 > USING CVT,1 > TM CVTOSLV2,CVTV64 > BZ NO64BIT > ... > IHAPSA DSECT=YES,LIST=YES > CVT DSECT=YES,LIST=YES > > > On Thu, Jun 13, 2013 at 11:45 AM, Scott Ford <scott_j_f...@yahoo.com> > wrote: > > > All, > > > > After reading through the Extended Addressability Guide/ref I have a > > question.. > > How do I tell if a machine will support 64 bit storage above the "bar" > > ? I mean like a Assembler macro query ..I want to use 64bit storage > > but I don't know to tell programmatically what the allocation is for the > system. > > > > Regards, > > > > Scott ford > > www.identityforge.com > > from my IPAD > > > > 'Infinite wisdom through infinite means' > > > > > > -- > This is a test of the Emergency Broadcast System. If this had been an > actual emergency, do you really think we'd stick around to tell you? > > Maranatha! <>< > John McKown > -- This is a test of the Emergency Broadcast System. If this had been an actual emergency, do you really think we'd stick around to tell you? Maranatha! <>< John McKown
