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