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

#### ASA64

Prolog

Control Block Contents
ASA64 DSECT

Storage Layout

Cross Reference (Contains links to field and bit definitions)

#### ASA64 Control Block Content

#### ASA64 DSECT

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      ASA64          AUXILIARY STORAGE ADDRESS TABLE
                                            ENTRY
    0000    0 Dbl-Word     8 ASAGENTR (0)   Auxiliary Storage Address
    0000    0 Signed       4 ASAGW0         Word 0 of ESAME ASA64
    0004    4 Signed       4 ASAGW1         Word 1 of ESAME ASA64
              00000008       ASAGLENT       *-ASAGENTR Length of one address
                                            table entry
    0008    8 Dbl-Word     8 ASAGNEXT (0)   Next address table entry
    0000    0 Signed       2 ASAGCNUM       Auxiliary storage cylinder number
    0002    2 Bitstring    1 ASAGPNUM       Auxiliary storage page number
    0003    3 Bitstring    1 ASAGVOL        Auxiliary storage volume code
    0004    4 Signed       4 ASAGPTRM       Used by PTRM. See VPGGPTRM. .*

#### ASA64 Storage Layout

    *** ASA64 - AUXILIARY STORAGE ADDRESS TABLE ENTRY
    *
    *     +---------------------------+---------------------------+
    *   0 |          ASAGW0           |          ASAGW1           |
    *     +---------------------------+---------------------------+
    *
    *** ASA64 - AUXILIARY STORAGE ADDRESS TABLE ENTRY

    *** Overlay for ASAGW0 in ASA64
    *
    *     +-------------+------+------+
    *   0 |  ASAGCNUM   |:GPNUM|:GVOL | 4
    *     +-------------+------+------+
    *
    *** Overlay for ASAGW0 in ASA64

    *** Overlay for ASAGW1 in ASA64
    *
    *                                 +---------------------------+
    *   0 ...                       4 |         ASAGPTRM          |
    *                                 +---------------------------+
    *   8
    *
    *** Overlay for ASAGW1 in ASA64

#### ASA64 Cross Reference

    Symbol         Dspl Value
    -------------- ---- -----
    ASAGCNUM       0000
    ASAGENTR       0000
    ASAGLENT       0004 00000008
    ASAGNEXT       0008
    ASAGPNUM       0002
    ASAGPTRM       0004
    ASAGVOL        0003
    ASAGW0         0000
    ASAGW1         0004

This information is based on z/VM V4R3.0. Last updated on 1 May 2002 at 07:58:12 EDT.
Copyright IBM Corporation, 1990, 2002