Programming Interface Information: This information is NOT intended to be
used as Programming Interfaces of VM/ESA. It is to be used for diagnosis only.

BBOXADR

Prolog  

Control Block Contents  

BBOXADR DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

BBOXADR Prolog

Name : BBOX Description: Boundary Box Addresses DSECT : BBOXADR Function : BBOX contains the beginning addresses of the VSE partitions when CMS/DOS is active; one for each entry. BBOXADR is called by the BBOX macro.

 

BBOXADR Control Block Content


BBOXADR DSECT

Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure BBOXADR Boundary Box Addresses 0000 0 Bitstring 4 PBEGIN PARTN START ADDR 0004 4 Signed 4 PENDLOG (0) PARTN LOGICAL END 0004 4 Bitstring 3 * 0007 7 Bitstring 1 BBOPTDOS PARTITION SUBPOOL EXISTS 0008 8 Signed 4 PGEND (0) GETVIS AREA END 0008 8 Bitstring 3 * 000B 11 Bitstring 1 BBOVSDOS GETVIS SUBPOOL EXISTS 000C 12 Bitstring 4 PFIXLMT PFIX LIMIT ZERO FOR CMS 0010 16 Bitstring 4 PFIXCNT PFIX COUNT ZERO FOR CMS 0014 20 Bitstring 4 BBOPARTN DOS PARTITION START ADDRESS 00000001 BBOPOOL 1 FOR BBOPTDOS AND BBOVSDOPS 00000018 BBOXSIZE (*-PBEGIN) SIZE OF BBOX

 

BBOXADR Storage Layout

*** BBOXADR - Boundary Box Addresses
*
*     +---------------------------+--------------------+------+
*   0 |          PBEGIN           |////////////////////|:PTDOS|
*     +--------------------+------+--------------------+------+
*   8 |////////////////////|:VSDOS|         PFIXLMT           |
*     +--------------------+------+---------------------------+
*  10 |         PFIXCNT           |         BBOPARTN          |
*     +---------------------------+---------------------------+
*  18
*
*** BBOXADR - Boundary Box Addresses

 

BBOXADR Cross Reference

(contains links to field and bit definitions)
Symbol         Dspl Value
-------------- ---- -----

BBOPARTN 0014

BBOPOOL 0014 00000001

BBOPTDOS 0007

BBOVSDOS 000B

BBOXSIZE 0014 00000018

PBEGIN 0000

PENDLOG 0004

PFIXCNT 0010

PFIXLMT 000C

PGEND 0008


This information is based on VM/ESA 2.4.0.
Last updated on 12 Aug 1999 at 11:17:23 EDT.
Copyright IBM Corporation, 1990, 1999