CPABK Back to Index page
 
Prolog 
Control Block Contents 
   CPABK DSECT
Storage Layout 
Cross Reference (Contains links to field and bit definitions)
Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.


  CPABK Prolog Top of page
 
 NAME       : HCPCPABK
 DESCRIPTION: CPUBK ANCHOR BLOCK
 DSECT      : CPABK
 FUNCTION   : THE CPABK CONTAINS INFORMATION ABOUT THE CHAIN
              OF CPUBKS WHICH IT ANCHORS.
 LOCATED BY : NONE
 CREATED BY : HCPCPU
 DELETED BY : HCPCPU
 RELOCATION CONSIDERATIONS : None
 
 
  CPABK Control Block Content Top of page
 

 CPABK DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure CPABK CPUBK ANCHOR BLOCK 0000 0 Address 4 CPABCUR POINTER TO CURRENT CPUBK BEING PROCESSED 0004 4 Bitstring 1 CPAEDSP CURRENT DISPLACEMENT WITHIN CPUBK POINTED TO BY CPABCUR 0005 5 Bitstring 1 CPAFLAGS GLOBAL FLAGS FOR CPUBK CHAIN 1... .... CPACALL X'80' CPACALL 'ALL' WAS SPECIFIED AS CPU ADDRESS .1.. .... CPASCAN X'40' CPASCAN SCAN IS IN PROGRESS 0006 6 Signed 2 CPACOUNT COUNT OF CPUS SPECIFIED IN COMMAND LINE 0008 8 Address 4 CPAFIRST ADDRESS OF FIRST CPUBK IN CHAIN 000C 12 Signed 2 CPAVDCNT COUNT OF EXISTING CPUS SPECIFIED 000E 14 Signed 2 * RESERVED FOR IBM USE 00000010 CPALEN *-CPABK LENGTH OF CPABK 00000002 CPASIZE (CPALEN+7)/8 SIZE OF CPABK (IN DOUBLEWORDS)
 
 
  CPABK Storage Layout Top of page
 
          
*** CPABK - CPUBK ANCHOR BLOCK
*
*     +---------------------------+------+------+-------------+
*   0 |         CPABCUR           |:EDSP |:FLAGS|  CPACOUNT   |
*     +---------------------------+------+------+-------------+
*   8 |         CPAFIRST          |  CPAVDCNT   |/////////////|
*     +---------------------------+-------------+-------------+
*  10
*
*** CPABK - CPUBK ANCHOR BLOCK
 
 
  CPABK Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
CPABCUR        0000
CPACALL        0005 80
CPACOUNT       0006
CPAEDSP        0004
CPAFIRST       0008
CPAFLAGS       0005
CPALEN         000E 00000010
CPASCAN        0005 40
CPASIZE        000E 00000002
CPAVDCNT       000C
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:48:16 EDT.
Copyright IBM Corporation, 1990, 2022