ASMBK Back to Index page
 
Prolog 
Control Block Contents 
   ASMBK 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.


  ASMBK Prolog Top of page
  
 NAME       : HCPASMBK
 DESCRIPTION: PTRM Address Space Management Block
 DSECT      : ASMBK
 FUNCTION   : Manage the i-ASITs corresponding to the ASCBKs
              for the PTRM address spaces.  This block
              is a table, with table entries mapped by HCPAMTE.
 LOCATED BY : RSAASITB - Field in HCPRSMBK
 CREATED BY : HCPHRPIN - At system initialization time.
 DELETED BY : none
 SERIALIZED : RSAPRLK - PTRM address space resolution lock
 RELOCATION CONSIDERATIONS : None
 COMMENTS   : none
 
 
  ASMBK Control Block Content Top of page
  




 ASMBK DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      ASMBK          PTRM Address Space Management Block
0000    0 Dbl-Word     8 ASMTB (128)    PTRM Address Space Management
                                        Table Entries are mapped by
                                        HCPAMTE. Each entry is either
                                        marked invalid or contains an
                                        i-ASIT for a PTRM address space.
          00000008       ASMTBELN       8 Length of a ASMTB entry (in
                                        bytes).
0400 1024 Signed       4 ASMTBEND (0)   End of ASMBK
          00000400       ASMLENTH       (*-ASMBK) Size of ASMBK in bytes
          00000080       ASMSIZE        (*-ASMBK+7)/8 Size of ASMBK in
                                        doublewords
 
 
  ASMBK Storage Layout Top of page
  
          
*** ASMBK - PTRM Address Space Management Block
*
*     +-------------------------------------------------------+
*   0 |                                                       |
*     =                        ASMTB                          =
*     |                                                       |
*     +-------------------------------------------------------+
*
*** ASMBK - PTRM Address Space Management Block
 
 
  ASMBK Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
ASMLENTH       0400 00000400
ASMSIZE        0400 00000080
ASMTB          0000
ASMTBELN       0000 00000008
ASMTBEND       0400
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:47:30 EDT.
Copyright IBM Corporation, 1990, 2022