PROBK

Prolog  

Control Block Contents  
   PROBK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

PROBK Prolog

 NAME       : HCPPROBK
 DESCRIPTION: PROTECT BLOCK
 DSECT      : PROBK
 FUNCTION   : USED TO DEFINE ERROR(S) FROM WHICH A VIRTUAL
              MACHINE IN PROTECTED APPLICATION ENVIRONMENT
              HAS BEEN SHIELDED.
 LOCATED BY : VMDPROBK FIELD IN USER'S VMDBK
 CREATED BY : HCPREIPB
              HCPREIPQ
 DELETED BY : HCPCNCRL

PROBK Control Block Content

PROBK DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      PROBK          PROTECT BLOCK
0000    0 Dbl-Word     8 PROLOCK (3)    LOCK FOR UPDATING AND ACCESSING
                                        THIS PROTECT BLOCK
0018   24 Bitstring    1 PROFLGS        PROTECT BLOCK STATUS FLAGS
          1... ....      PROIPL         X'80' IPL HAS NOT OCCURRED SINCE
                                        THE ERROR HAS BEEN RECORDED
0019   25 Signed       1 PROCOUNT       NUMBER OF ATTEMPTED IPLS SINCE
                                        PROTECTED APPLICATION ENVIRONMENT
                                        ESTABLISHED
          0000000A       PROIPLMT       10 LIMIT FOR NUMBER OF RE-IPL
                                        ATTEMPTS
001A   26 Signed       2 *              RESERVED FOR IBM USE
001C   28 Signed       4 PROTOD         TIME-OF-DAY OF LAST ATTEMPTED
                                        RE-IPL FOR USER (HIGH-ORDER PART
                                        OF CLOCK ONLY)
0020   32 Address      4 PROMSPTR       POINTER TO QUEUE OF ERROR MSG
                                        BUFFERS
     THE FOLLOWING FIELDS CONTAIN INFORMATION RETURNED BY DIAG X'B0'
0024   36 Signed       2 PRODLEN        LENGTH OF VARIABLE ERROR DATA
0026   38 Signed       1 PROCODE        ERROR CODE
0027   39 Character   17 PRODATA        VARIABLE ERROR DATA
          00000007       PROSIZE        (*-PROBK+7)/8 PRO BLOCK SIZE IN
                                        DW'S
          00000038       PROLEN         (*-PROBK) PRO BLOCK SIZE IN BYTES

PROBK Storage Layout

          
*** PROBK - PROTECT BLOCK
*
*     +-------------------------------------------------------+
*   0 |                                                       |
*     =                       PROLOCK                         =
*     |                                                       |
*     +------+------+-------------+---------------------------+
*  18 |:FLGS |:COUNT|/////////////|          PROTOD           |
*     +------+------+-------------+-------------+------+------+
*  20 |         PROMSPTR          |  PRODLEN    |:CODE |      |
*     +---------------------------+-------------+------+      |
*     |                       PRODATA                         |
*     |                                                       |
*     +-------------------------------------------------------+
*  38
*
*** PROBK - PROTECT BLOCK

PROBK Cross Reference

Symbol         Dspl Value
-------------- ---- -----
PROCODE        0026
PROCOUNT       0019
PRODATA        0027
PRODLEN        0024
PROFLGS        0018
PROIPL         0018 80
PROIPLMT       0019 0000000A
PROLEN         0027 00000038
PROLOCK        0000
PROMSPTR       0020
PROSIZE        0027 00000007
PROTOD         001C