Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.

ZPMBK

Prolog  

Control Block Contents  
   ZPMBK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  


ZPMBK Prolog

 NAME       : HCPZPMBK
 DESCRIPTION: ZONE PARAMETER BLOCK
 DSECT      : ZPMBK
 FUNCTION   : THE ZPMBK DESCRIBES THE ZONE PARAMETERS BLOCK
              USED AS INPUT TO THE SET ZONE PARAMETERS
              AND AS OUTPUT TO THE STORE ZONE PARAMETERS
              INSTRUCTION
 LOCATED BY :
              HCPWRKZP  USED DURING DUMP PROCESSING TO DUMP ALL
              ZONE PARAMETERS
              ALL USERS OF HCPZPMBK, EXCEPT DUMP PROCESSING, GET
              FREE STORAGE FOR THE ZPMBK IN ORDER TO ISSUE EITHER
              STZP OR SZP INSTRUCTIONS AND RETURN THE STORAGE WHEN
              FINISHED ISSUING THE INSTRUCTIONS.
 CREATED BY :
              HCPZMIIN
              HCPZMGAZ
              HCPZMGDZ
              HCPZMXEE
              HCPZMXDE
 DELETED BY :
              HCPZMIIN
              HCPZMGAZ
              HCPZMGDZ
              HCPZMXEE
              HCPZMXDE
 Notes      : there are 2 versions of this block, one for 32-bit
              and one for 64-bit CP.

 

ZPMBK Control Block Content


ZPMBK DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      ZPMBK          ZONE PARAMETER BLOCK
     ENTRY
0000    0 Signed       4 * (0)
0000    0 Signed       2 *              RESERVED FOR FUTURE IBM USE
0002    2 Signed       2 ZPMMSO         MAIN STORAGE ORIGIN
0004    4 Signed       2 *              RESERVED FOR FUTURE IBM USE
0006    6 Signed       2 ZPMMSL         MAIN STORAGE LIMIT
0008    8 Bitstring    1 *              RESERVED FOR FUTURE IBM USE
0009    9 Bitstring    3 ZPMESO         EXPANDED STORAGE ORIGIN
000C   12 Bitstring    1 *              RESERVED FOR FUTURE IBM USE
000D   13 Bitstring    3 ZPMESL         Expanded-Storage Limit
0010   16 Signed       4 * (4)          RESERVED FOR FUTURE IBM USE
          00000004       ZPMSIZE        (*-ZPMBK+7)/8 :ZPMBK SIZE IN
                                        DOUBLE WORDS
          00000020       ZPMLENTH       (*-ZPMBK) ZPMBK LENGTH IN BYTES

 

ZPMBK Storage Layout

          
*** ZPMBK - ZONE PARAMETER BLOCK
*
*     +-------------+-------------+-------------+-------------+
*   0 |/////////////|   ZPMMSO    |/////////////|   ZPMMSL    |
*     +------+------+-------------+------+------+-------------+
*   8 |//////|      ZPMESO        |//////|      ZPMESL        |
*     +------+--------------------+------+--------------------+
*  10 |///////////////////////////////////////////////////////|
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*  20
*
*** ZPMBK - ZONE PARAMETER BLOCK

 

ZPMBK Cross Reference

Symbol         Dspl Value
-------------- ---- -----
ZPMESL         000D
ZPMESO         0009
ZPMLENTH       0010 00000020
ZPMMSL         0006
ZPMMSO         0002
ZPMSIZE        0010 00000004

This information is based on z/VM V4R3.0. Last updated on 30 Apr 2002 at 18:34:42 EDT.
Copyright IBM Corporation, 1990, 2002