Aug. 1r 1979 PSA Hexadecimal Field
Displacement Name Field Description, Contents, Meaning
434
438 43C 440 470 478 440 480 484
488 48C 490 494 498 49C 4AO 4A4
4A8 4AC 4BO 4B4
4B8 4BC 4CO 4C4 4C8 4CC 4DO 4D4
4D8 4DC 4EO 4E4
4E8 4EC 4FO 4F4
4F8 4FC 500 500 540 580 5CO 600 640 650 660 664
668
66C 670 678 680 684 INSTWBD2 DC INSTWRD3 DC· INSTWBD4 DC F'O' F'O' F'O' Reserved for installation use
Reserved for installation use
Reserved for installation use
List of ZEBOES BLANKS
FFS Fregue,!!tly .!!§ed Constants DC 6D'0' DC 8X'40' DC 8X' FF' Also -1 FO EQU ZEROES F1 DC F'1'
F2 DC F'2'
F3 DC F'3'
F4 DC F'4' F5 DC F'5'
F6
F7
F8
F9 F10 F15
F16 F20 F24 F60 F240 F255
F256
F4095
F4096
DC DC DC DC DC DC DC DC DC DC DC DC DC DC DC APTBLK DC NOADD DC X40FFS DC XBIGHT24 DC XPAGNUM DC XBIGHT16 DC AFBEE DC AFBET DC AQCNWT DC ADSPCH DC APTBAN DC X2048BND DC PSBCLR2 DS DUMPSAVE DS SIGSAVE DS LOKSAVE DS MFASAVE DS SWTHSAVE DS LOCKSAV DS SVCREGS DS PREFIXA DC PREFIXB DC PSACPXBP DC RESVD DS WAITSTRT DS
WAITEND DS PWTPAGES DC ACTIVTRQ DC F'6'
F'7'
F'8'
F'9'
F'10'
F'1S'
F'16'
F'20'
F'24'
F'60'
F' 240' F' 2S5'
F'256'
F'4095'
F'4096'
v (DMKPTRLK) X'FFOOOOOO' X'40FFFFFF' X'OOFFFFFF' X'OOFFFOOO' X'OOOOFFFF' V (DMKFREE) V (DMKFRET) V (DMKQCNWT) V (DMKDSPCH) V (D MKPTRAN) X'00FFF800' OF 16F
16F
16F
16F
16F
4F
4F F'O' F'O' A (0) 1F
D
D F'O' A (0) Also
Also
Also
Also
Also
Also
Also X'OOOOOOOF' X'0000003C' X'OOOOOOFO' = X'OOOOOOFF' X'00000100' X'OOOOOFFF' X'00001000' Entry to lock a page in storage
Frequently used work value
Frequently used work value
Isolate right 24 bits
Isolate the page number
Isolate the right 16 bits
Entry to allocate free storage
Entry to release free storage
Entry to write a terminal message
Entry to the VM/370 dispatcher
Entry to the paging supervisor
Locate a half-page boundary
Start of second area cleared by CP initialization (DMKCPI) Save area for dump routine
Save area for DMKEXT DMKLOK save area
Save area for malfunction alert DMKVMASW save area LOCK macro save area SVC save area
Prefix value of this processor
Prefix value of other processor
Address of CPEXBLOK for switch SVC. Note that PSACPXBP is in absolute PSA. Reserved for IBM use Timer value at start of wait
Timer value at end of wait
Pages in PGWAIT at start of wait
Address of active transit queue
Section 1. CP Data Areas and Control Blocks 75

Page of SY20-0884-3 As Updated Aug. 1, 1979 by TNL SN25-0497 PSA Hexadecimal
Displacement
------------
688
68C 690 694
696
698
69A
69A
69B
69C
69D
69E
69F 6AO 6A4
6A8
Field
Name EMSPEND DC ]i!§ EMSPQUI EQU EMSPEXT EQU EMSPSYNC '1:'1"1" .LJ\lU EMSPSHD EQU EMSPCLKC EQU EMSINQSC EQU EMSREC DC Bi!§ defined EMSRQUI EQU EMSREXT EQU EMSRSYNC EQU EMSRSHD EQU EMSRCLKC EQU XCPEND DC Bi.i§ defined XCAPR EQU XCRES EQU XCWAK EQU XCDISP EQU IPUADDRX DC LPUADDR DC LPUADDRX DC APSTATUS DS ORG APSTAT1 DC Bit§ APUOPER EQU PROCIO EQU APUNONLN EQU MPFEAT EQU CSSFEAT EQU CPINITD EQU APSTAT2 DC ]i.i§ CPMCHLK EQU CPPTLBR EQU CPTERMLK DC CPFRELK DC FRLKPROC DC CPFRESW DC
AMCHAREA DC SHRLKCNT DC PROBSTRT DS F'O' in EMSPENI! X'80' X'40' X'20' x' 10' X'08' X'01' F'O' in EMS,EEC X'80' X'40' X'20' x' 10' X'08' F'O' in X'80' X'40' X'20' x' 10' H'O' H'O' H'O' 6X APSTATUS X'OO' in APS1ATj X'80' X'40' X'20' x' 10' X'02' X'01' X'OO' in !RSTATl x' 10' X'02' X'OO' X'OO' X'OO' X'OO' F'O' F'O' 1D
Field Description, Contents, Meaning
Emergency signal pending flags
Quiesce pending
Extend pending Synchronization pending Shutdown pending
High order TOD synchronization pending Processor is quiesced
Emergency signal received flags
Quiesce request received
Extend request received
Synchronization request received Shutdown request received
High order TOD synchronization received
External call pending flags
Automatic processor recovery pending
Resume request pending
Wakeup request pending
Dispatch request pending P*7 Processor address of other processor P*8 Logical address of this processor P*9 Logical address of other processor
Attached processor status bytes
Attached processor status
Attached processor operational
Processor has I/O capability System generated for attached processor mode
but running in uniprocessor mode
Multiprocessing feature is installed
Channel set switching feature installed System initialization complete Second flag byte
Machine check processing pending
(for ECP S only) PTLB required for processor DMKMCT system termination is in progress.
Note that CPTERMLK is in absolute PSA. Free storage extend pending.
Note that CPFRELK is in absolute PSA. Logical processor identification for CPFRELK. Note that FRLKPROC is in absolute PSA. DMKFRE must transfer execution to the
attached processor. Note that CPFRESW is in absolute PSA. Address of DMKMCH work area
Count of times CPSHRLK is set (used to clear CPSHRLK) Virtual machine time out queue at dispatch 76 VM/370 Data Areas and Control Block Logic