TICST

TICST Prolog

 NAME       : HCPTICST
 DESCRIPTION: MAPPING OF FORWARD TIC STACK
 DSECT      : TICST
 FUNCTION   : PROVIDE SYMBOLIC REFERENCE TO THE FIELDS OF A STACK ON
              WHICH FORWARD TIC ADDRESSES ARE HELD DURING CCW
              TRANSLATION.
 LOCATED BY : N/A
 CREATED BY : HCPCCWTR
 DELETED BY : HCPCCWTR

TICST Control Block Content

TICST DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      TICST          MAPPING OF FORWARD TIC STACK
0000    0 Signed       4 TICSTFWD       Pointer to next TICST
0004    4 Signed       4 TICSTBWD       Pointer to previous TICST
0008    8 Bitstring   16 TIC_STACK      TIC entries
          00000021       TICSIZE        (*-TICST+7)/8 DW size of TICST
     The following DSECT defines each TIC_STACK entry

TIC_STK_LNGTH DSECT
Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      TIC_STK_LNGTH  MAPPING OF FORWARD TIC STACK
0000    0 Signed       4 TICADDR        TIC address
0004    4 Signed       4 TICTARAD       TIC target address
          00000008       TICEL          *-TIC_STK_LNGTH Entry size
          00000020       TICDEPTH       32 Number of TIC_STACK entries
          00000010       TICBKMAX       16 Maximum number of TICSTs




 
TICST Storage Layout
          
*** TICST - MAPPING OF FORWARD TIC STACK
*
*     +---------------------------+---------------------------+
*   0 |         TICSTFWD          |         TICSTBWD          |
*     +---------------------------+---------------------------+
*   8 |                      TIC_STACK                        |
*     |                                                       |
*     +-------------------------------------------------------+
*  18
*
*** TICST - MAPPING OF FORWARD TIC STACK
          
*** TIC_STK_LNGTH - MAPPING OF FORWARD TIC STACK
*
*     +---------------------------+---------------------------+
*   0 |         TICADDR           |         TICTARAD          |
*     +---------------------------+---------------------------+
*   8
*
*** TIC_STK_LNGTH - MAPPING OF FORWARD TIC STACK




 
TICST Cross Reference
Symbol         Dspl Value
-------------- ---- -----
TIC_STACK      0008
TICADDR        0000
TICBKMAX       0004 00000010
TICDEPTH       0004 00000020
TICEL          0004 00000008
TICSIZE        0008 00000021
TICSTBWD       0004
TICSTFWD       0000
TICTARAD       0004




This information is
based on z/VM V3R1.0.

Last updated on 30 Mar 2001 at 09:00:53 EDT.

Copyright IBM Corporation, 1990, 2001