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Programming Interface Information:
This page documents intended Programming
Interfaces that allow the customer to write programs to obtain the services of z/VM. |
IPARM
PrologControl Block Contents
IPARM DSECT
Storage Layout
Cross Reference
IPARM Control Block Content
IPARM DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure IPARM 0000 0 Character 32 IPARMS IPL parameters 0020 32 Bitstring 1 * (4) reserved for future use 0024 36 Address 4 IPAEPARM Pointer to extended IPL parms 1111 .... IPAEPLEN 240 Length of extended IPL parms 0028 40 Bitstring 6 IPADATE Module date/time (YYMMDDHHMMSS) 002E 46 Bitstring 1 IPAINITL Save for SYSINITL field 002F 47 Bitstring 1 IPARFIFL Reserved for HCPRFI 0030 48 Bitstring 1 * (4) reserved for future use Note: This word does not survive a bounce (it contains HCPLOD's base). 0034 52 Signed 4 IPAOFFST Offset to parm disk 0038 56 Character 8 IPANAME Name of CP module 00000040 IPASIZEB (*-IPARM) Size in bytes 00000008 IPASIZED (*-IPARM+7)/8 Size in d-words
IPARM Storage Layout
*** IPARM - Control Block in IPARM
*
* +-------------------------------------------------------+
* 0 | |
* = IPARMS =
* | |
* +---------------------------+---------------------------+
* 20 |///////////////////////////| IPAEPARM |
* +---------------------------+-------------+------+------+
* 28 | IPADATE |:INITL|:RFIFL|
* +---------------------------+-------------+------+------+
* 30 |///////////////////////////| IPAOFFST |
* +---------------------------+---------------------------+
* 38 | IPANAME |
* +-------------------------------------------------------+
* 40
*
*** IPARM - Control Block in IPARM
IPARM Cross Reference
Symbol Dspl Value -------------- ---- ----- IPADATE 0028 IPAEPARM 0024 IPAEPLEN 0024 F0 IPAINITL 002E IPANAME 0038 IPAOFFST 0034 IPARFIFL 002F IPARMS 0000 IPASIZEB 0038 00000040 IPASIZED 0038 00000008
Last updated on 4 Apr 2001 at 09:31:50 EDT.
Copyright IBM Corporation, 1990, 2001