Re: Local Page dataset sizing/quantity ROT?
On Thu, 26 Dec 2013 18:14:27 +, Jousma, David david.jou...@53.com wrote: You are being a little tough on me today. No, I'm just trying to help. ;-) (I have helped in the past with our DB2 performance issues. That was traced down to bad programming practises which gobbled up our paging datasets...) Maybe your summer is too warm? ;) Indeed. Two days ago it was too hot. ;) 31 degrees around Pretoria, now 17-28 degrees with possible rain. ;-) http://www.weathersa.co.za/web/index.php (I really hope there is rain on 31 Dec/1 Jan, because I hate fireworks.) I think you should post your actual problem you're trying to solve. not really trying to solve any problem, just making sure things are still set correctly. I saw your reply to Ron Hawkins about PREVENTING problems. I agree with you that having extra page datasets could help a lot. I think you should monitor all your DB2 LPARS and watch out for any aux shortages. Then you can enlarge your page dataset(s) as needed. What tools are you using to monitor your online storage? Groete / Greetings Elardus Engelbrecht -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
NFS mount of z/OS filesystem from Linux
Ø I searched the web and tried the command examples from the IBM manual but every variation failed. Two things: 1) You need to download and compile mountpw for your Linux system. The source code is supplied with z/OS. Mountpw associates a numeric uid with your z/OS userid, so that the NFS security works. Before you try the mount, run mountpw to establish a userid- uid mapping. 2) z/OS is NFS version 3. NFS4 is supposed to downgrade gracefully, but it's iffy with non-Unix implementations. Specify nfs3. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
zOS server REXX CGI problem
Hi all, I installed a HTTP server on zOS and sofar as HTML is concerned all goes well but I cannot manage to get a REXX CGI program to do something. The brower (Firefox) keeps showing connecting. In the http.conf file I defined: Exec CGI/* /jeds.web/cgi/* The Rexx program is in /jedsp/web/cgi and has the attributes 755 The link on the page is: pppa href=../cgi/getenv.rexxEnvironment/a/p The page is served from /jedsp/web/pub The rexx exists in /jedsp/web/cgi Any help would be greatly appreciated j@n -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: zOS server REXX CGI problem
Two things that I see. In your http.conf EXEC statement you have uppercase CGI and your page reference is lower case. Also, in your http.conf EXEC you have /jeds.web/cgi/* and should it not be /jedsp/web/cgi/* since that is where you say the REXX is at Craig From: jan de decker jan.je...@gmail.com To: IBM-MAIN@LISTSERV.UA.EDU, Date: 12/27/2013 09:29 Subject:zOS server REXX CGI problem Sent by:IBM Mainframe Discussion List IBM-MAIN@LISTSERV.UA.EDU Hi all, I installed a HTTP server on zOS and sofar as HTML is concerned all goes well but I cannot manage to get a REXX CGI program to do something. The brower (Firefox) keeps showing connecting. In the http.conf file I defined: Exec CGI/* /jeds.web/cgi/* The Rexx program is in /jedsp/web/cgi and has the attributes 755 The link on the page is: pppa href=../cgi/getenv.rexxEnvironment/a/p The page is served from /jedsp/web/pub The rexx exists in /jedsp/web/cgi Any help would be greatly appreciated j@n -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ** This communication contains information which is confidential and may also be privileged. It is for the exclusive use of the intended recipient(s). If you are not the intended recipient(s), please note that any distribution, copying or use of this communication or the information in it is strictly prohibited. If you have received this communication in error, please notify the sender immediately and then destroy any copies of it. ** -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: zOS server REXX CGI problem
Hi Is it /jeds.web/cgi/* or/jeds/web/cgi/* ? with the F httpserv,APPL=-DEBUG -V or -VV you can get a detailed trace On 27.12.2013 16:29, jan de decker wrote: Hi all, I installed a HTTP server on zOS and sofar as HTML is concerned all goes well but I cannot manage to get a REXX CGI program to do something. The brower (Firefox) keeps showing connecting. In the http.conf file I defined: Exec CGI/* /jeds.web/cgi/* The Rexx program is in /jedsp/web/cgi and has the attributes 755 The link on the page is: pppa href=../cgi/getenv.rexxEnvironment/a/p The page is served from /jedsp/web/pub The rexx exists in /jedsp/web/cgi Any help would be greatly appreciated j@n -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- Kind regards, / Mit freundlichen Grüßen Miklos Szigetvari Research Development ISIS Papyrus Europe AG Alter Wienerweg 12, A-2344 Maria Enzersdorf, Austria T: +43(2236) 27551 333, F: +43(2236)21081 E-mail: miklos.szigetv...@isis-papyrus.com Info: i...@isis-papyrus.com Hotline: +43-2236-27551-111 Visit our brand new extended Website at www.isis-papyrus.com --- This e-mail is only intended for the recipient and not legally binding. Unauthorised use, publication, reproduction or disclosure of the content of this e-mail is not permitted. This email has been checked for known viruses, but ISIS Papyrus accepts no responsibility for malicious or inappropriate content. --- -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: zOS server REXX CGI problem
On Fri, 27 Dec 2013 16:29:06 +0100, jan de decker wrote: I installed a HTTP server on zOS and sofar as HTML is concerned all goes well but I cannot manage to get a REXX CGI program to do something. The brower (Firefox) keeps showing connecting. In the http.conf file I defined: Exec CGI/* /jeds.web/cgi/* The Rexx program is in /jedsp/web/cgi and has the attributes 755 The link on the page is: pppa href=../cgi/getenv.rexxEnvironment/a/p The page is served from /jedsp/web/pub The rexx exists in /jedsp/web/cgi Just a caution: the directory contaiing a CGI written in Rexx may need to appear in tne server's executable search PATH. I consider this a misimplementation of the exec() interface to Rexx. I doubt that IBM is interested in changing it. -- gil -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: zOS server REXX CGI problem
On 12/27/2013 8:29 AM, jan de decker wrote: Hi all, I installed a HTTP server on zOS and sofar as HTML is concerned all goes well but I cannot manage to get a REXX CGI program to do something. The brower (Firefox) keeps showing connecting. In the http.conf file I defined: Exec CGI/* /jeds.web/cgi/* The Rexx program is in /jedsp/web/cgi and has the attributes 755 The link on the page is: pppa href=../cgi/getenv.rexxEnvironment/a/p The page is served from /jedsp/web/pub The rexx exists in /jedsp/web/cgi Any help would be greatly appreciated j@n Craig's comments are germain, plus I think your invocation does not need the leading dots. Try: 1. In your conf file code: Exec /CGI/* /jeds/web/cgi/* 2. In your invocation code: pa href=/CGI/getenv.rexxEnvironment/a/p Give this a try. Of course, you may have a bug in your CGI program also. But let's try this first. ad We include general HTTP / HTML / CGI concepts (plus lots more) in our five day course You and z/OS and the World Wide Web, see: http://www.trainersfriend.com/UNIX_and_Web_courses/u518descr.htm We focus specifically on CGI's in our one day course Introduction to CGIs on z/OS, see: http://www.trainersfriend.com/UNIX_and_Web_courses/uc01descr.htm and in my paper Hosting a Web Site on z/OS - one person's experience I include suggestions for configuration and other setup issues. The courses and the paper (along with many other courses and papers) are for sale in our going out of business sale. Course materials are priced at 90% off our list price, so USD 200 per course day. Sale ends Monday, December 30 - see info in my signature below. /ad -- Kind regards, -Steve Comstock The Trainer's Friend, Inc. 303-355-2752 http://www.trainersfriend.com * We are going out of business effective 30 December, 2013 * To purchase a set of our training materials at terrific prices, check out our Going Out Of Business Sale: http://www.trainersfriend.com/SpecialSale -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
zOS server REXX CGI problem
Hi all, Thanks for the suggestions. I implemented them all. Now I get IMW0254E Error 404IMW0229E The file was not found, even after searching on any extensions to the file name. The file does not exist or is read-protected. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Local Page dataset sizing/quantity ROT?
I have been watching this discussion with interest. For a short time I was a sysprog at a place that had DB2 and had one small occurrence of page shortage due to a DB2 taking a dump. I asked around and this as the first in anyones memory. I thought for accuracy's sake I would run through a years worth of RMF data and it showed indeed it as one occurrence and the average around 25 percent page slot utilization. The DB2 people demanded I increase the page space(s). I asked if this as a one time and they wouldn't answer me. I declined to do the increase until they showed why. Ed -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Local Page dataset sizing/quantity ROT?
Folks- While I would agree that with all the memory made available to LPARs, you rarely need the locals to back Real pages (of course, prove me wrong with some ginormous sort). But you must also consider what else The locals are used for: that is, SVCDUMPS. If you need to dump a 128GB (virtual) address space, you better Have enough locals to cover that. So while 3 Mod 3s may cover most of the environment, I've seen many shops Start with 10 Mod 3s for Locals, with additional volumes on those systems with large virtual tasks. I also recommend Having a few spare volumes with formatted page datasets on them, just in case... Happy New Year! zNorman -Original Message- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Elardus Engelbrecht Sent: Friday, December 27, 2013 2:58 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Local Page dataset sizing/quantity ROT? On Thu, 26 Dec 2013 18:14:27 +, Jousma, David david.jou...@53.com wrote: You are being a little tough on me today. No, I'm just trying to help. ;-) (I have helped in the past with our DB2 performance issues. That was traced down to bad programming practises which gobbled up our paging datasets...) Maybe your summer is too warm? ;) Indeed. Two days ago it was too hot. ;) 31 degrees around Pretoria, now 17-28 degrees with possible rain. ;-) http://www.weathersa.co.za/web/index.php (I really hope there is rain on 31 Dec/1 Jan, because I hate fireworks.) I think you should post your actual problem you're trying to solve. not really trying to solve any problem, just making sure things are still set correctly. I saw your reply to Ron Hawkins about PREVENTING problems. I agree with you that having extra page datasets could help a lot. I think you should monitor all your DB2 LPARS and watch out for any aux shortages. Then you can enlarge your page dataset(s) as needed. What tools are you using to monitor your online storage? Groete / Greetings Elardus Engelbrecht -- 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
Re: NFS mount problem between zOS and Linux
I was having some strange issues with my z/OS to linux system and had to
specify vers(3).
MOUNT FILESYSTEM(MYNFS) +
MOUNTPOINT('/mnt') +
parm('10.6.0.10:/srv/ftp/pub,vers(3)') +
TYPE(NFS) MODE(RDWR)
On Thu, Dec 26, 2013 at 3:40 PM, Mark Post mp...@suse.com wrote:
On 12/26/2013 at 12:55 PM, jan de decker jan.je...@gmail.com wrote:
The mount command I tried last, after several variartions was the example
from the IBM manual:
mount -t nfs4 -o sec=sys proto=tcp Catweazle-zOS/hfs/jedsp/web /jedsp/web
The typical mount syntax involves
hostname:/path/name
whereas you don't have the colon in it.
I don't know what the -o sec=sys does, so I can't comment on that.
In the past, you used to have to compile the mvslogin program to run on
the Linux system that would be doing the mount. That was so the External
Security Manager on z/OS (whether ACF2, RACF, or other) could authenticate
the subsequent request for the mount. I would think that _some_ sort of
authentication would still be needed today.
Mark Post
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The postings on this site are my own and don’t necessarily represent
Mainline’s positions or opinions
Mark D Pace
Senior Systems Engineer
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Re: SMP/E ++HOLD FMID() for dependent FUNCTION SYSMOD
I've never built a dependent function but I looked at a couple from IBM very long ago. They basically used it to change FMID ownership of modules. Modules shipped in PTF's under the parent FMID would be ignored and only the new FMID modules would replace the module. Parent is only loosely used for lack of a better term. Jon Perryman. From: Paul Gilmartin paulgboul...@aim.com To: IBM-MAIN@LISTSERV.UA.EDU Sent: Wednesday, December 25, 2013 9:20 AM Subject: Re: SMP/E ++HOLD FMID() for dependent FUNCTION SYSMOD On Tue, 24 Dec 2013 19:27:07 -0800, Jon Perryman wrote: Base and dependent functions are both coded thru a ++FUNCTION. I don't think there is a difference except for additional SMP/e statements making the base function a pre or co-req. The dependent function does not apply to the base function. Look at ++FUNCTION and you won't find any relationship. There is no parent, just pre-req function. Everything within the dependent function shows as to belonging to the dependent function. No. From: Title: SMP/E V3R6.0 for z/OS V1R13.0 Reference Document Number: SA22-7772-16 2.26 ++VER MCS ... FMID FMID identifies the function to which a SYSMOD applies. FMID must be specified for all SYSMODs except base functions. [I.e. it is specified for dependent functions. -- gil] When specified on the ++VER MCS for a function, FMID defines the function as a dependent function. In this case, FMID indicates that the elements supplied by the dependent function SYSMOD are functionally higher than the specified base function. So, the base function of a dependent function is identified by the FMID() operand of the ++VER MCS, not by a PRE() operand. The word parent does not appear in this section, but parent base function elsewhere in SMP/E documentation such as I cited earlier in this thread: Title: z/OS Packaging Rules Document Number: SC23-3695-10 4.1.1.2 Dependent Functions ... Function SYSMODs for dependent functions are only applicable to the parent base function. Have you ever coded MCS for a dependent function SYSMOD? -- gil -- 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
Re: ISPF Workstation Agent Issue
I'm not a Windows person, at all. But is there any chance that the built in Windows Firewall is blocking the TCPIP port you need to use to connect to the z/OS system? On Fri, Dec 27, 2013 at 1:36 PM, John Norgauer john.norga...@ucdmc.ucdavis.edu wrote: My PC was upgraded to Windows 7 and now when I attempt to get the ISPF Workstation Agent to run, I have a problem. The WSA ran fine on Windows XP. The failure has to do with TCP/IP I think. I get the following error: No Local Network Support Unable to use the local communications software to support the requested communications protocol. TCP/IP SOCKET ERROR=10022 When I open the WSA box and select options I see enable TCP/IP and enable APPC checked Anyone out there care to jump in here to give a hand. Thanks. John Norgauer Senior Systems Programmer Mainframe Technical Support Services University of California Davis Medical Center 1651 Alhambra Blvd Suite 200 Sacramento, Ca 95816 916-734-0536 SYSTEMS PROGRAMMING.. Guilty, until proven innocent !! JN 2004 Hardware eventually breaks - Software eventually works anon -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- This is clearly another case of too many mad scientists, and not enough hunchbacks. Maranatha! John McKown -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: DCF: Can it live again?
In 435b77ba27fc254099b1763e498def664ca...@va1exc02.snaads.sinenomine.net, on 04/16/2008 at 09:31 AM, David Boyes dbo...@sinenomine.net said: The key to what I want is the Bookmaster tag set, From what you wrote further on, you really mean BookManager; the BookManager/BUILD tag set is a superset of BookMaster. Bookmaster/BUILD VM ITYM BookManager/BUILD VM; the is no BookMater/BUIL or BookMaster/READ. It'd still be nice to have something on Linux that understands 1403 listings, though. There are definitely programs out there that understand ANSI carriage control; I'm not sure about machine carriage control. Your aspirations are modest; what I want is a full port of DCF, BookMaster and BookManager to Linux or OS/2. -- Shmuel (Seymour J.) Metz, SysProg and JOAT ISO position; see http://patriot.net/~shmuel/resume/brief.html We don't care. We don't have to care, we're Congress. (S877: The Shut up and Eat Your spam act of 2003) -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Deinstall software, for example BDT
In 52b0cc69.8070...@bremultibank.com.pl, on 12/17/2013 at 11:12 PM, R.S. r.skoru...@bremultibank.com.pl said: BTW: Who's using BDT? JES3 users, unless IBM has finally fixed it so that it can do NJE without BDT. -- Shmuel (Seymour J.) Metz, SysProg and JOAT ISO position; see http://patriot.net/~shmuel/resume/brief.html We don't care. We don't have to care, we're Congress. (S877: The Shut up and Eat Your spam act of 2003) -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Local Page dataset sizing/quantity ROT?
Just push the Easy button? Unfortunately it's not located in easily accessible location. 1)Hardware config WRT CPUs, CoD, Storage, ZIIPs, DASD, SSD 2)Software config WRT to Buffer use. Limiting non-production resources with throttles. 3)Craig Mullin's DB/2 book is a good starting place. He states 70% of DB/2 performance were related to bad SQL code. 4)Monitor tools. The old Platinum tools were bought by CA. Analyzer, Detector, SQL pay for themselves after a few bumps. Workload observations with RMF can hint at when your peaks will occur. End of month, sale season, market swings whatever your business is. 5)WLM can help smooth out the rough spots. Cheryl Watson's Goal Tender can point you to problems with misshapen goals and objectives. 6) Get help where applicable. Just a few pointers and observations can give leverage or reinforcement as to where you're trying to go and what you're trying to achieve. 7)Many of this and related topics are covered in Redbooks and presented at SHARE by other installations that have gone thru this or similar conundrums. 8)Keep posting, we all learn as we go. In a message dated 12/27/2013 4:58:34 A.M. Central Standard Time, elardus.engelbre...@sita.co.za writes: No, I'm just trying to help. ;-) (I have helped in the past with our DB2 performance issues. That was traced down to bad programming practises which gobbled up our paging datasets -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: ISPF Workstation Agent Issue
ping work? FTP work? telnet work? 64 bit Win? In a message dated 12/27/2013 3:21:36 P.M. Central Standard Time, john.archie.mck...@gmail.com writes: I'm not a Windows person, at all. But is there any chance that the built in Windows Firewall is blocking the TCPIP port you need to use to connect to the z/OS system? -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: DCF: Can it live again?
I think you just answered your own question... On Fri, Dec 27, 2013 at 4:49 PM, Ed Finnell efinnel...@aol.com wrote: Whatever happened to the JAVA Bookie? I tried it on a new Win 95 machine and it was atrocious. It would start then go away then a few minutes later it would come up and vanish again. Never tried it again. In a message dated 12/27/2013 3:17:00 P.M. Central Standard Time, shmuel+ibm-m...@patriot.net writes: Your aspirations are modest; what I want is a full port of DCF, BookMaster and BookManager to Linux or OS/2. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- zMan -- I've got a mainframe and I'm not afraid to use it -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: zOS server REXX CGI problem
On 12/27/2013 10:03 AM, jan de decker wrote: Hi all, Thanks for the suggestions. I implemented them all. Now I get IMW0254E Error 404IMW0229E The file was not found, even after searching on any extensions to the file name. The file does not exist or is read-protected. I just noticed an error in your HTML that I missed before: pppa href=../cgi/getenv.rexxEnvironment/a/p --- should be pppa href=../cgi/getenv.rexxEnvironment/a/p and I propgated this error in my post. Don't know if this was just a cut and paste error on your part or if the HTML actually was like that, but you might test the suggested solution with the correct end tag. pa href=/CGI/getenv.rexxEnvironment/a/p Also, another error I just noticed: you specify your directory two different ways: jeds.web/cgi jedsp/web/cgi So, if your directory is actually jedsp/web/cgi, change your config file to contain: Exec /CGI/* /jedsp/web/cgi/* - Let us know if that helps. Kind regards, -Steve Comstock -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: ISPF Workstation Agent Issue
Ping and ftp work fine. John Norgauer Senior Systems Programmer Mainframe Technical Support Services University of California Davis Medical Center 1651 Alhambra Blvd Suite 200 Sacramento, Ca 95816 916-734-0536 SYSTEMS PROGRAMMING.. Guilty, until proven innocent !! JN 2004 Hardware eventually breaks - Software eventually works anon -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Testing for key 8
Is there a simpler way to see whether we were called in key 8 (not that this is that complicated): EPSW R14,R0Extract PSW SLL R14,8 Get key bits in left-most nibble SRL R14,28Now isolate in bottom nibble CFI R14,8 Are we in key 8?? ? (Pretend that was a monospace font if it isn't in your client!) -- zMan -- I've got a mainframe and I'm not afraid to use it -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: ISPF Workstation Agent Issue
Windows TCP error codes are documented at http://msdn.microsoft.com/en-us/library/windows/desktop/ms740668(v=vs.85).aspx For socket error 10022: WSAEINVAL - invalid argument - Some invalid argument was supplied (for example, specifying an invalid level to the setsockopt function). In some instances, it also refers to the current state of the socket—for instance, calling accept on a socket that is not listening. My guess would be that you need to use an older version of the .NET framework (maybe 3.5 or even earlier). You should be able to download it from MS. Jon Perryman. From: John Norgauer john.norga...@ucdmc.ucdavis.edu My PC was upgraded to Windows 7 and now when I attempt to get the ISPF Workstation Agent to run, I have a problem. The WSA ran fine on Windows XP. The failure has to do with TCP/IP I think. I get the following error: No Local Network Support Unable to use the local communications software to support the requested communications protocol. TCP/IP SOCKET ERROR=10022 When I open the WSA box and select options I see enable TCP/IP and enable APPC checked Anyone out there care to jump in here to give a hand. Thanks. John Norgauer Senior Systems Programmer Mainframe Technical Support Services University of California Davis Medical Center 1651 Alhambra Blvd Suite 200 Sacramento, Ca 95816 916-734-0536 SYSTEMS PROGRAMMING.. Guilty, until proven innocent !! JN 2004 Hardware eventually breaks - Software eventually works anon -- 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
Re: Testing for key 8
You can avoid shifts and save one instruction by ANDing the PSW value with x'00F0' and testing the result for equality with x'0080', but there is not much fat to be squeezed out of what you are doing now. John Gilmore, Ashland, MA 01721 - USA -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Testing for key 8
Yeah, true. I guess having grown up worried more about memory than CPU, I'd never have chosen that route, but it's clearly equally valid. Or maybe N R14,=X'00F0' and then CLM R14,B'0100',=X'80'... whee, I saved 3 bytes! (Also not sure whether two RS instructions are faster than two shifts and a CFI. Of course, now we're *really* discussing minutiae...) (Plus, hey, any time you get to use a sexy new instruction like CFI, a kitten gets its wings. Or something.) Anyway, thanks. I wanted to be sure I wasn't missing some other, more obvious approach that Everyone Knows (but me)! On Fri, Dec 27, 2013 at 10:26 PM, John Gilmore jwgli...@gmail.com wrote: You can avoid shifts and save one instruction by ANDing the PSW value with x'00F0' and testing the result for equality with x'0080', but there is not much fat to be squeezed out of what you are doing now. John Gilmore, Ashland, MA 01721 - USA -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- zMan -- I've got a mainframe and I'm not afraid to use it -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Testing for key 8
ZMan, You not the only one, I had to look up EPSW, hadn't used it before Scott ford www.identityforge.com from my IPAD 'Infinite wisdom through infinite means' On Dec 27, 2013, at 11:13 PM, zMan zedgarhoo...@gmail.com wrote: Yeah, true. I guess having grown up worried more about memory than CPU, I'd never have chosen that route, but it's clearly equally valid. Or maybe N R14,=X'00F0' and then CLM R14,B'0100',=X'80'... whee, I saved 3 bytes! (Also not sure whether two RS instructions are faster than two shifts and a CFI. Of course, now we're *really* discussing minutiae...) (Plus, hey, any time you get to use a sexy new instruction like CFI, a kitten gets its wings. Or something.) Anyway, thanks. I wanted to be sure I wasn't missing some other, more obvious approach that Everyone Knows (but me)! On Fri, Dec 27, 2013 at 10:26 PM, John Gilmore jwgli...@gmail.com wrote: You can avoid shifts and save one instruction by ANDing the PSW value with x'00F0' and testing the result for equality with x'0080', but there is not much fat to be squeezed out of what you are doing now. John Gilmore, Ashland, MA 01721 - USA -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- zMan -- I've got a mainframe and I'm not afraid to use it -- 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
Re: DCF: Can it live again?
Do you mean this Java-based version? http://www-01.ibm.com/support/docview.wss?uid=swg24000251 Timothy Sipples GMU VCT Architect Executive (Based in Singapore) E-Mail: sipp...@sg.ibm.com -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Testing for key 8
On 12/27/2013 3:31 PM, zMan wrote: Is there a simpler way to see whether we were called in key 8 (not that this is that complicated): EPSW R14,R0Extract PSW SLL R14,8 Get key bits in left-most nibble SRL R14,28Now isolate in bottom nibble CFI R14,8 Are we in key 8?? ? (Pretend that was a monospace font if it isn't in your client!) Assuming you really want to know if you were called in a non-privileged key (8-15): IPK TMLL R2,X'0080' Non-privileged key? JNZ labelBranch if yes -- Edward E Jaffe Phoenix Software International, Inc 831 Parkview Drive North El Segundo, CA 90245 http://www.phoenixsoftware.com/ -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
