You would use R2 directly in your example. On Sun, 19 Feb 2017 16:06:28 -0500 Joseph Reichman <[email protected]> wrote:
:>Thanks :> :>One more question just related to TPROT usage can you tell me if this makes sense :> I do IPK to get a user psw storage key in R2 :> :>For example :> :>PSW_KEY DS 0D :> DS F :>R2_KEY. DS F :> :> XR R2,R2 :> IPK :> ST R2,R2_KEY :> TPROT STORAGE,PSW_KEY :> :> :> :>> On Feb 19, 2017, at 3:39 PM, Binyamin Dissen <[email protected]> wrote: :>> :>> Best approach would be to have the SRB caller tell it what key to use. And if :>> you get the S0C4, it means that the SRB was improperly called. :>> :>> Much more logical to catch in an FRR rather than to play 'what if'. :>> :>> On Sun, 19 Feb 2017 10:18:18 -0500 Joseph Reichman <[email protected]> :>> wrote: :>> :>> :>I'am accessing storage in a different address space :>> :>Via an SRB and don't want to get a S0C4 I realize that in this case PSATOLD will be zero and I will be running in key zero but I was using TCBPKF as an example :>> :> :>> :>I'm not quite sure of the second operand usage :>> :>Seems the same as the shift instructions :>> :>If for instance I wanted to check out weather a TCB could access that storage would I move the 1 byte TCBPKF field to a double word and shift it to bits 56-59 ? :>> :> :>> :>Thanks for your help :>> :> :>> :> :>> :> :>> :>> On Feb 19, 2017, at 9:43 AM, Binyamin Dissen <[email protected]> wrote: :>> :>> :>> :>> You do realize, of course, without disablement and/or locks the storage :>> :>> attributes can change after you check them? :>> :>> :>> :>> Why do you need to know? :>> :>> :>> :>> On Sat, 18 Feb 2017 19:34:29 -0500 Joe Reichman <[email protected]> wrote: :>> :>> :>> :>> :>Hi, :>> :>> :> :>> :>> :> :>> :>> :> :>> :>> :>If I would like to access say 20 bytes of core (to see if I have both fetch :>> :>> :>and store capability) I would have to loop incrementing B1 checking against :>> :>> :>TCBPKF (where TCB is pointing to PSATOLD) :>> :>> :> :>> :>> :> :>> :>> :> :>> :>> :> :>> :>> :> :>> :>> :> LA R0,20 :>> :>> :> :>> :>> :> LA R2,STORSCESS :>> :>> :> :>> :>> :> LOOP TPR0T 0(R2),TCBPKF :>> :>> :> :>> :>> :> BC 7,CANTACESS :>> :>> :> :>> :>> :> LA R2,1(,R2) :>> :>> :> :>> :>> :> BCT R0,LOOP :>> :>> :> :>> :>> :> :>> :>> :> :>> :>> :>Thanks :>> :>> :> :>> :>> :> :>> :>> :> :>> :>> :> :>> :>> :>---------------------------------------------------------------------- :>> :>> :>For IBM-MAIN subscribe / signoff / archive access instructions, :>> :>> :>send email to [email protected] with the message: INFO IBM-MAIN :>> :>> :>> :>> -- :>> :>> Binyamin Dissen <[email protected]> :>> :>> http://www.dissensoftware.com :>> :>> :>> :>> Director, Dissen Software, Bar & Grill - Israel :>> :>> :>> :>> :>> :>> Should you use the mailblocks package and expect a response from me, :>> :>> you should preauthorize the dissensoftware.com domain. :>> :>> :>> :>> I very rarely bother responding to challenge/response systems, :>> :>> especially those from irresponsible companies. :>> :>> :>> :>> ---------------------------------------------------------------------- :>> :>> For IBM-MAIN subscribe / signoff / archive access instructions, :>> :>> send email to [email protected] with the message: INFO IBM-MAIN :>> :> :>> :>---------------------------------------------------------------------- :>> :>For IBM-MAIN subscribe / signoff / archive access instructions, :>> :>send email to [email protected] with the message: INFO IBM-MAIN :>> :>> -- :>> Binyamin Dissen <[email protected]> :>> http://www.dissensoftware.com :>> :>> Director, Dissen Software, Bar & Grill - Israel :>> :>> :>> Should you use the mailblocks package and expect a response from me, :>> you should preauthorize the dissensoftware.com domain. :>> :>> I very rarely bother responding to challenge/response systems, :>> especially those from irresponsible companies. :>> :>> ---------------------------------------------------------------------- :>> For IBM-MAIN subscribe / signoff / archive access instructions, :>> send email to [email protected] with the message: INFO IBM-MAIN :> :>---------------------------------------------------------------------- :>For IBM-MAIN subscribe / signoff / archive access instructions, :>send email to [email protected] with the message: INFO IBM-MAIN -- Binyamin Dissen <[email protected]> http://www.dissensoftware.com Director, Dissen Software, Bar & Grill - Israel Should you use the mailblocks package and expect a response from me, you should preauthorize the dissensoftware.com domain. I very rarely bother responding to challenge/response systems, especially those from irresponsible companies. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
