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Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
CFEBK
Control Block Contents
CFEBK DSECT
Cross Reference (Contains links to field and bit definitions)
CFEBK Prolog
Name : HCPCFEBK
Description: Map the HCPIODCW resident data area
DSECT : CFEBK
Function : Map system variables that are set during
system initialization. For non ESAME machines
use the old X'7FFFFF02' address for CP forced
errors. For ESAME capable machines use the
new X'8FFFFF02' address. ESAME machines
guaranty that bit 0 in the CCW data address
will be checked late (at data access time).
Located by : HCPIODcw
Created by : HCPIIOrl
Deleted by : none
CFEBK Control Block Content
CFEBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments
---- ---- --------- ---- -------------- --------
0000 0 Structure CFEBK Map the HCPIODCW resident data
area
CP-Forced program check
0000 0 Signed 4 CFEPRGAD X'7FFFFF02' or X'8FFFFF02'
CP-Forced protection check
0004 4 Signed 4 CFEPRTAD X'7FFFFF04' or X'8FFFFF04'
CP-Forced interface control check
0008 8 Signed 4 CFEIFCAD X'7FFFFF06' or X'8FFFFF06'
CP-Forced incorrect length
000C 12 Signed 4 CFEICLAD X'7FFFFF08' or X'8FFFFF08'
CP-Forced protection check in IDA
0010 16 Signed 4 CFEIDAPT X'7FFFF800' or X'8FFFF800'
CP-Forced program check in IDA
0014 20 Signed 4 CFEIDAPG X'FFFFFF02'
CP-Forced storage errors for fmt2
0018 24 Signed 4 CFEIDAPC IDAWs X'FFFFF000'
0000001C CFEBKBYL *-CFEBK
00000004 CFEBKDSZ ((CFEBKBYL+7)/8) Doubleword
length of CFEBK
CFEBK Storage Layout
*** CFEBK - Map the HCPIODCW resident data area
*
* +---------------------------+---------------------------+
* 0 | CFEPRGAD | CFEPRTAD |
* +---------------------------+---------------------------+
* 8 | CFEIFCAD | CFEICLAD |
* +---------------------------+---------------------------+
* 10 | CFEIDAPT | CFEIDAPG |
* +---------------------------+---------------------------+
* 18 | CFEIDAPC | 1C
* +---------------------------+
*
*** CFEBK - Map the HCPIODCW resident data area
CFEBK Cross Reference
Symbol Dspl Value -------------- ---- ----- CFEBKBYL 0018 0000001C CFEBKDSZ 0018 00000004 CFEICLAD 000C CFEIDAPC 0018 CFEIDAPG 0014 CFEIDAPT 0010 CFEIFCAD 0008 CFEPRGAD 0000 CFEPRTAD 0004
Copyright IBM Corporation, 1990, 2001