BGCOM Back to Index page
 
Prolog 
Control Block Contents 
   BGCOM 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.


  BGCOM Prolog Top of page
 
 NAME       : BGCOM
 DESCRIPTION: VSE Partition Communication Region
 DSECT      : BGCOM
 FUNCTION   : BGCOM simulates the DOS/VS Partition
              Communication Region (BGCOM). The ABGCOM field
              in NUCON points to the BGCOM block. BGCOM is
              called by the BGCOM macro.
 
 
  BGCOM Control Block Content Top of page
 

 BGCOM DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure BGCOM VSE Partition Communication Region 0000 0 Character 8 JOBDATE . 00 JOB DATE 0008 8 Character 1 * . 08 0009 9 Character 2 SYSCENT . 09 CENTURY ('19', '20' etc.) 000B 11 Bitstring 1 * 11 RESERVED 000C 12 Bitstring 1 COMUSCR (11) . 12 USER SCRATCH AREA 0017 23 Bitstring 1 UPSI . 23 UPSI BYTE 0018 24 Character 8 COMNAME . 24 JOB NAME 0020 32 Address 4 PPEND . 32 HIGHEST STORAGE ADDRESS OF PARTITION 0024 36 Address 4 HIPHAS . 36 END ADDRESS OF LAST PHASE LOADED 0028 40 Address 4 HIPROG . 40 END ADDRESS OF LONGEST PHASE LOADED 002C 44 Signed 2 LABLEN . 44 LENGTH OF PROBLEM PROGRAM LABEL AREA 002E 46 Bitstring 2 PIK . 46 PROGRAM INTERRUPT KEY 0030 48 Address 4 EOCADR . 48 END OF VIRTUAL STORAGE ADDRESS 0034 52 Bitstring 1 CONFIG . 52 MACHINE CONFIGURATION BYTE 0035 53 Bitstring 1 LTACT . 53 SYSTEM CONFIGURATION BYTE 0036 54 Bitstring 1 SOB1 . 54 STANDARD LANGUAGE TRANSLATOR OPTIONS 0037 55 Bitstring 1 SOB2 . 55 STANDARD SUPERVISOR OPTIONS 0038 56 Bitstring 1 JCSW1 . 56 JOB CONTROL BYTE 0039 57 Bitstring 1 JCSW2 . 57 LINKAGE CONTROL BYTE 003A 58 Bitstring 1 JCSW3 . 58 NON-STD LANGUAGE TRANSLATOR OPTIONS 003B 59 Bitstring 1 JCSW4 . 59 JOB DURATION INDICATOR BYTE 003C 60 Signed 2 * . 60 RESERVED 003E 62 Address 2 FOCLPT . 62 ADDRESS OF FOCL 0040 64 Address 2 PUBPT . 64 ADDRESS OF PUB 0042 66 Address 2 FAVPT . 66 ADDRESS OF FAVP 0044 68 Address 2 JIBPT . 68 ADDRESS OF JIB 0046 70 Address 2 * . 70 RESERVED 0048 72 Address 2 FICLPT . 72 ADDRESS OF FICL 004A 74 Address 2 NICLPT . 74 ADDRESS OF NICL 004C 76 Address 2 LUBPT . 76 ADDRESS OF LUB 004E 78 Address 1 SYSLINE . 78 SYSLST LINE COUNT 004F 79 Character 9 SYSDATE (0) . 79 SYSTEM DATE 004F 79 Bitstring 4 MMDD MMDD OR DDMM 0053 83 Bitstring 5 YYDDD YYDDD PORTION OF DATE 0058 88 Bitstring 1 LIOCSCOM (2) 88 LIOCS COMMUNICATION BYTES 005A 90 Address 2 PIBPT . 90 ADDRESS OF PIB 005C 92 Signed 2 CHKPTID . 92 LAST CHECKPOINT NUMBER 005E 94 Address 2 JOBZON . 94 JOB ZONE IN MINUTES 0060 96 Address 2 DIBPT 96 BACKGROUND DIB POINTER 0062 98 Bitstring 1 DEVFLG1 98 DEV FLAGS FOR AUTOCLOSE 0063 99 Bitstring 1 OPNBYT2 99 RESERVED 0064 100 Bitstring 5 IJBHCFAD 100 JOB STMT ON HC FILE 0069 105 Bitstring 1 * 105 RESERVED 006A 106 Bitstring 2 PWTIMS . 106 KEY OF PROGRAM WITH IT SUPPO 006C 108 Signed 2 * . 108 RESERVED 006E 110 Address 2 LTK . 110 LOGICAL TRANSIENT KEY 0070 112 Signed 4 SYSPAR . 112 ADDRESS OF SYSPARM 0074 116 Signed 4 JAPART . 116 ADDRESS OF JOB ACCOUNTING TABLE 0078 120 Address 4 TODCOM . 120 ADDR OF TOD COMMUNICATIONS AREA 007C 124 Address 2 PIB2PTR . 124 ADDRESS OF PIB EXTENSION 007E 126 Address 2 PDTABB . 126 ADDR OF MICR DTF TABLE 0080 128 Signed 4 LABELPTR . 128 ADDR OF LABEL SPACE 0084 132 Address 2 BGCOMPT . 132 ADDRESS OF BACKGROUND COMREG 0086 134 Bitstring 1 OPTNBYTE . 134 OPTION INDICATOR BYTE 0087 135 Bitstring 1 RMSROPEN . 135 SYSTEM CONFIG BYTE 2 0088 136 Address 4 * . 136 RESERVED 008C 140 Bitstring 1 STDOPT . 140 STANDARD JOB CONTROL OPTION BYTE 008D 141 Bitstring 1 TEMOPT . 141 TMPORARY JOB CONTROL OPTION BYTE 008E 142 Bitstring 1 DISKCONF . 142 DISK CONFIGURATION BYTE 008F 143 Character 8 PROCNAM . 143 PROCEDURE NAME 0097 151 Bitstring 1 PSWTCH . 151 INTERFACE BYTE FOR CATAL. PROC. 0098 152 Character 7 POVNAM . 152 SAVE AREA FOR STATEMENT NAME 009F 159 Bitstring 1 INSIZE . 159 81 BYTE SYSIN INDICATOR 00A0 160 Signed 4 POWPCB 160 ADDR OF PART CTL BLK 00A4 164 Bitstring 1 POWFLG1 164 POWER/VS FLAG BYTE 1 00A5 165 Bitstring 1 POWFLG2 165 POWER/VS FLAG BYTE 2 00A6 166 Signed 2 * 166 RESERVED 00A8 168 Signed 4 LUBEXT 168 ADDR OF LUB TAB EXT 00AC 172 Bitstring 1 JCSW5 172 JOB CTL SWITCH 5 00AD 173 Bitstring 1 JCSW6 173 JOB CTL SWITCH 6 00AE 174 Bitstring 1 STDOPT2 174 STD OPTIONS 2 00AF 175 Bitstring 1 TEMOPT2 175 TEMP OPTIONS 2 00B0 176 Signed 4 IJBJPL 176 ADDR OF JPL OF PARTITION 00B4 180 Signed 4 IJBAFCB 180 SLOT FOR CICS 00B8 184 Signed 4 IJBPHLST 184 ADDR FETCH/LOAD TRACE TABLE 00BC 188 Bitstring 8 IJBJOBLG 188 ADDR OF LAST HC JOBSTMNT 000000C4 COMREND * PLIST FOR DMSSTQ QUERY STORAGE FUNCTION 00C8 200 Dbl-Word 8 * (0) 00C8 200 Address 4 BGCSTQAD 196 ADDRESS TO BE QUERIED 00CC 204 Signed 4 BGCSTQLN 200 LENGTH OF STORAGE 00D0 208 Dbl-Word 8 BGCSTQNM 204 SUB_POOL NAME 00D8 216 Character 8 BGCSTQPT 212 DOS PARTITION SUB_POOL NAME 00E0 224 Character 8 BGCSTQVS 220 GETVIS AREA SUB_POOL NAME
 
 
  BGCOM Storage Layout Top of page
 
 
*** BGCOM - VSE Partition Communication Region
*
*     +-------------------------------------------------------+
*   0 |                       JOBDATE                         |
*     +------+-------------+------+---------------------------+
*   8 |//////|  SYSCENT    |//////|         COMUSCR           |
*     +------+-------------+------+                    +------+
*  10 |                                                |UPSI  |
*     +------------------------------------------------+------+
*  18 |                       COMNAME                         |
*     +---------------------------+---------------------------+
*  20 |          PPEND            |          HIPHAS           |
*     +---------------------------+-------------+-------------+
*  28 |          HIPROG           |   LABLEN    |    PIK      |
*     +---------------------------+------+------+------+------+
*  30 |          EOCADR           |CONFIG|LTACT |SOB1  |SOB2  |
*     +------+------+------+------+------+------+------+------+
*  38 |JCSW1 |JCSW2 |JCSW3 |JCSW4 |/////////////|   FOCLPT    |
*     +------+------+------+------+-------------+-------------+
*  40 |   PUBPT     |   FAVPT     |   JIBPT     |/////////////|
*     +-------------+-------------+-------------+------+------+
*  48 |   FICLPT    |   NICLPT    |   LUBPT     |:LINE |(04F)-|
*     +-------------+------+------+-------------+------+------+
*  50 |       -MMDD        |              YYDDD               |
*     +-------------+------+------+-------------+-------------+
*  58 |  LIOCSCOM   |   PIBPT     |  CHKPTID    |   JOBZON    |
*     +-------------+------+------+-------------+-------------+
*  60 |   DIBPT     |:FLG1 |:BYT2 |        IJBHCFAD-          |
*     +------+------+------+------+-------------+-------------+
*  68 |-(064)|//////|   PWTIMS    |/////////////|    LTK      |
*     +------+------+-------------+-------------+-------------+
*  70 |          SYSPAR           |          JAPART           |
*     +---------------------------+-------------+-------------+
*  78 |          TODCOM           |  PIB2PTR    |   PDTABB    |
*     +---------------------------+-------------+------+------+
*  80 |         LABELPTR          |  BGCOMPT    |:NBYTE|:ROPEN|
*     +---------------------------+------+------+------+------+
*  88 |///////////////////////////|STDOPT|TEMOPT|:KCONF|(08F)-|
*     +---------------------------+------+------+------+------+
*  90 |                   -PROCNAM                     |PSWTCH|
*     +------------------------------------------------+------+
*  98 |                    POVNAM                      |INSIZE|
*     +---------------------------+------+------+------+------+
*  A0 |          POWPCB           |:FLG1 |:FLG2 |/////////////|
*     +---------------------------+------+------+------+------+
*  A8 |          LUBEXT           |JCSW5 |JCSW6 |:OPT2 |:OPT2 |
*     +---------------------------+------+------+------+------+
*  B0 |          IJBJPL           |         IJBAFCB           |
*     +---------------------------+---------------------------+
*  B8 |         IJBPHLST          |        IJBJOBLG-          |
*     +---------------------------+---------------------------+
*  C0 |          -(0BC)           |///////////////////////////|
*     +---------------------------+---------------------------+
*  C8 |         BGCSTQAD          |         BGCSTQLN          |
*     +---------------------------+---------------------------+
*  D0 |                       BGCSTQNM                        |
*     +-------------------------------------------------------+
*  D8 |                       BGCSTQPT                        |
*     +-------------------------------------------------------+
*  E0 |                       BGCSTQVS                        |
*     +-------------------------------------------------------+
*  E8
*
*** BGCOM - VSE Partition Communication Region
 
 
  BGCOM Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
BGCOMPT        0084
BGCSTQAD       00C8
BGCSTQLN       00CC
BGCSTQNM       00D0
BGCSTQPT       00D8
BGCSTQVS       00E0
CHKPTID        005C
COMNAME        0018
COMREND        00BC 000000C4
COMUSCR        000C
CONFIG         0034
DEVFLG1        0062
DIBPT          0060
DISKCONF       008E
EOCADR         0030
FAVPT          0042
FICLPT         0048
FOCLPT         003E
HIPHAS         0024
HIPROG         0028
IJBAFCB        00B4
IJBHCFAD       0064
IJBJOBLG       00BC
IJBJPL         00B0
IJBPHLST       00B8
INSIZE         009F
JAPART         0074
JCSW1          0038
JCSW2          0039
JCSW3          003A
JCSW4          003B
JCSW5          00AC
JCSW6          00AD
JIBPT          0044
JOBDATE        0000
JOBZON         005E
LABELPTR       0080
LABLEN         002C
LIOCSCOM       0058
LTACT          0035
LTK            006E
LUBEXT         00A8
LUBPT          004C
MMDD           004F
NICLPT         004A
OPNBYT2        0063
OPTNBYTE       0086
PDTABB         007E
PIBPT          005A
PIB2PTR        007C
PIK            002E
POVNAM         0098
POWFLG1        00A4
POWFLG2        00A5
POWPCB         00A0
PPEND          0020
PROCNAM        008F
PSWTCH         0097
PUBPT          0040
PWTIMS         006A
RMSROPEN       0087
SOB1           0036
SOB2           0037
STDOPT         008C
STDOPT2        00AE
SYSCENT        0009
SYSDATE        004F
SYSLINE        004E
SYSPAR         0070
TEMOPT         008D
TEMOPT2        00AF
TODCOM         0078
UPSI           0017
YYDDD          0053
 
This information is based on z/VM 6.4.0.
Last updated on 24 Aug 2016 at 09:20:58 EDT.
Copyright IBM Corporation, 1990, 2016