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Programming Interface Information:
This information is NOT
intended to be
used as Programming Interfaces of VM/ESA. It is to be used for diagnosis only. |
IPLREC
Cross Reference (Contains links to field and bit definitions)
IPLREC Prolog
NAME : IPLREC
DESCRIPTION: System Initialization (IPL) record
DSECT : IPLREC
FUNCTION : Maps the system initialization record created
during IPL and collected by SVC 76 processing.
LOCATED BY : N/A
CREATED BY : HCPIPL
DELETED BY : The EREP record recording process.
IPLREC Control Block Content
IPLREC DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure IPLREC System Initialization (IPL) record Type of record 0000 0 Bitstring 1 IPLKEY1 Class/Source(type of record) 00000050 IPLIND X'50' IPL record System and Release level of issuing system. 0001 1 Bitstring 1 IPLKEY2 System/Release Level of issuing system 00000080 IPLMVS X'80' System is OS/VS2 or a later MVS system 00000060 IPLVM X'60' System is CP67, VM/370 or a later VM system 00000040 IPLOSVS1 X'40' System is OS/VS1 00000020 IPLDOS X'20' System is DOS (VSE) EQU X'10' Reserved 00000000 IPLOS360 X'00' System is OS/360 (X'00'-X'1F') Release level Miscellaneous switches. 0002 2 Bitstring 1 IPLSMS Record-independent switches 1... .... IPLMORE X'80' More records follow If this is the last record, this bit is zero. .1.. .... IPLWTOD X'40' IBM System/370 time-of-day clock instruction issued. If this bit is zero, an IBM System/360 TOD clock instruction was issued. This is used in conjunction with IPLDATE and IPLTIME. ..1. .... IPLTRUNC X'20' Record truncated. ...1 .... IPLXA X'10' 370-XA mode record. .... 1... IPLTMAC X'08' TIME macro used (OS/VS) If zero, the time is in timer units (VSE). Operating system- and processor-specific information 0003 3 Bitstring 2 * Reserved. 0005 5 Bitstring 1 IPLINCRL Incremental release number of operating system 0006 6 Bitstring 2 * Reserved. 0008 8 Dbl-Word 8 IPLDT (0) System date and time when record was created. 0008 8 Signed 4 IPLDATE System date of failure. 000C 12 Signed 4 IPLTIME System time of failure 0010 16 Dbl-Word 8 IPLCPUID (0) CPU identification 0010 16 Bitstring 1 IPLVER Machine version code .... ...1 IPLVERII X'01' Version II CPUs. If this bit is zero, version I CPUs. 0011 17 Bitstring 3 IPLSER CPU serial number 0014 20 Bitstring 2 IPLMOD CPU machine model number 0016 22 Bitstring 2 IPLCEL Maximum length of machine- (CPU-) dependent machine-check extended logout area. Restart- and IPL-specific information 0018 24 Bitstring 1 IPLSYSID Device type or program that caused restart. 00000091 IPLPP X'91' IBM Programming Products 00000090 IPLSCP X'90' IBM System Control Program 00000080 IPLGRAF X'80' Graphics/Display/Audio 00000070 IPLTP X'70' Teleprocessing 00000060 IPLOCR X'60' MICR/OCR 00000050 IPLUR X'50' Card/Print 00000040 IPLTAPE X'40' Tape 00000030 IPLOTHER X'30' Other (All devices other than those included under other subsystem IDs 00000020 IPLDASD X'20' Direct Access (DASD) 00000010 IPLCPU X'10' Processor (CPU, channels, storage units, operator consoles) 00000000 IPLNULL X'00' Subsystem is unknown or subsystem code is not required by reason code. 0019 25 Bitstring 3 * Not used for IPL record. 001C 28 Character 2 IPLREAS Alphameric code representing the reason for IPL. Reason codes 0000D5D4 IPLNORM C'NM' Normal system initialization 0000C9C5 IPLNOCE C'IE' IBM hardware/programming problem. CE/PSR not reqd. 0000C9D4 IPLCEREQ C'IM' IBM hardware/programming problem. CE/PSR required. 0000D4C5 IPLMEDIA C'ME' IBM hardware unit failed because of faulty media. 0000E4D5 IPLUNKWN C'UN' Undetermined hardware or software failure. 0000D6D7 IPLOPER C'OP' Operator error or procedural problem. 0000E4D7 IPLUSER C'UP' A program other than an IBM- supplied SCP or PP failed and caused a restart. 0000C5D5 IPLENV C'EN' Environmental problem (power failure, air conditioning, etc.) 0000C3C5 IPLCEPSR C'CE' System restarted at CE/PSR request. 0000C4C6 IPLDFLT C'DF' Default 001E 30 Bitstring 2 IPLCHNM Channel map. 0020 32 Dbl-Word 8 IPLCHAN Channel type assignment at IPL. (Not used for 370-XA.) 0028 40 Signed 4 IPLHADDR Address of the last valid byte of storage found at IPL time (MVS only). 002C 44 Signed 4 IPLSDATE Time-stamp date (MVS only). 0030 48 Signed 4 IPLSTIME Time-stamp time (MVS only). Record size in bytes and doublewords. 00000034 IPLBLEN *-IPLREC IPLREC size in bytes 00000007 IPLSIZE (*-IPLREC+7)/8 IPLREC size in doublewords
IPLREC Storage Layout
*** IPLREC - System Initialization (IPL) record * * +------+------+------+-------------+------+-------------+ * 0 |:KEY1 |:KEY2 |IPLSMS|/////////////|:INCRL|/////////////| * +------+------+------+------+------+------+-------------+ * 8 | IPLDATE | IPLTIME | * +------+--------------------+-------------+-------------+ * 10 |IPLVER| IPLSER | IPLMOD | IPLCEL | * +------+--------------------+-------------+-------------+ * 18 |:SYSID|////////////////////| IPLREAS | IPLCHNM | * +------+--------------------+-------------+-------------+ * 20 | IPLCHAN | * +---------------------------+---------------------------+ * 28 | IPLHADDR | IPLSDATE | * +---------------------------+---------------------------+ * 30 | IPLSTIME | 34 * +---------------------------+ * *** IPLREC - System Initialization (IPL) record
IPLREC Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----IPLBLEN 0030 00000034
IPLCEL 0016
IPLCEPSR 001C 0000C3C5
IPLCEREQ 001C 0000C9D4
IPLCHAN 0020
IPLCHNM 001E
IPLCPU 0018 00000010
IPLCPUID 0010
IPLDASD 0018 00000020
IPLDATE 0008
IPLDFLT 001C 0000C4C6
IPLDOS 0001 00000020
IPLDT 0008
IPLENV 001C 0000C5D5
IPLGRAF 0018 00000080
IPLHADDR 0028
IPLINCRL 0005
IPLIND 0000 00000050
IPLKEY1 0000
IPLKEY2 0001
IPLMEDIA 001C 0000D4C5
IPLMOD 0014
IPLMORE 0002 80
IPLMVS 0001 00000080
IPLNOCE 001C 0000C9C5
IPLNORM 001C 0000D5D4
IPLNULL 0018 00000000
IPLOCR 0018 00000060
IPLOPER 001C 0000D6D7
IPLOSVS1 0001 00000040
IPLOS360 0001 00000000
IPLOTHER 0018 00000030
IPLPP 0018 00000091
IPLREAS 001C
IPLSCP 0018 00000090
IPLSDATE 002C
IPLSER 0011
IPLSIZE 0030 00000007
IPLSMS 0002
IPLSTIME 0030
IPLSYSID 0018
IPLTAPE 0018 00000040
IPLTIME 000C
IPLTMAC 0002 08
IPLTP 0018 00000070
IPLTRUNC 0002 20
IPLUNKWN 001C 0000E4D5
IPLUR 0018 00000050
IPLUSER 001C 0000E4D7
IPLVER 0010
IPLVERII 0010 01
IPLVM 0001 00000060
IPLWTOD 0002 40
IPLXA 0002 10
Last updated on 3 Aug 1999 at 13:50:58 EDT.
Copyright IBM Corporation, 1990, 1999