I get it. There are different meanings of 'architecture level'. You need more
granularity. Not knowing the ins and outs of the various control blocks
suggested by others, I would take the KISS approach with a table of supported
models and what action you would take for each. A substantial but not endless
list. Inelegant, but easy(ish) to build and maintain. DISPLAY M=CPU gives
detail on CPC family and model number in various formats. If a match is not
found in your table, use the highest one you support and issue a warning
message. You have to determine this at run time because a program could easily
need to run on a machine higher or lower than one it's compiled on.
IEE174I 12.15.00 DISPLAY M 245
PROCESSOR STATUS
ID CPU SERIAL
00 + ssssss2827
01 + ssssss2827
02 +I ssssss2827
03 -
04 -I
CPC ND = 002827.H43.IBM.02.0000000ssssss
CPC SI = 2827.704.IBM.02.0000000000ssssss
Model: H43
CPC ID = 00
CPC NAME = cpc-name
LP NAME = lpar-name LP ID = #
CSS ID = 0
MIF ID = 1
+ ONLINE - OFFLINE . DOES NOT EXIST W WLM-MANAGED
N NOT AVAILABLE
I INTEGRATED INFORMATION PROCESSOR (zIIP)
CPC ND CENTRAL PROCESSING COMPLEX NODE DESCRIPTOR
CPC SI SYSTEM INFORMATION FROM STSI INSTRUCTION
CPC ID CENTRAL PROCESSING COMPLEX IDENTIFIER
CPC NAME CENTRAL PROCESSING COMPLEX NAME
LP NAME LOGICAL PARTITION NAME
LP ID LOGICAL PARTITION IDENTIFIER
CSS ID CHANNEL SUBSYSTEM IDENTIFIER
MIF ID MULTIPLE IMAGE FACILITY IMAGE IDENTIFIER
.
.
.
J.O.Skip Robinson
Southern California Edison Company
Electric Dragon Team Paddler
SHARE MVS Program Co-Manager
626-302-7535 Office
323-715-0595 Mobile
[email protected]
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf
Of Charles Mills
Sent: Sunday, November 29, 2015 12:10 PM
To: [email protected]
Subject: (External):Re: Straightforward way to determine hardware architecture
level?
I am not a LOADXX guru but &SYSALVL looks like waaaaaaay too little
granularity. It seems to *stop* at ARCHLVL=2, "z Architecture." My OP was
looking to distinguish *among* recent models -- say z990 to z13.
The basic problem is the C compiler will optimize to give best performance on,
say, a z196 -- but the resulting code S0C1's on a z10. My boss wants something
more user-friendly than a S0C1.
Charles
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf
Of J O Skip Robinson
Sent: Sunday, November 29, 2015 11:44 AM
To: [email protected]
Subject: Re: Straightforward way to determine hardware architecture level?
I confess to not having slogged through this thread, but from the beginning
I've wondered why no one has suggested the static system symbol &SYSALVL.
System symbols can be queried from pretty much any environment. They're set
automatically at IPL. Maybe OP needs more detail...
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