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oncmod.x14
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TITLE ONCMOD LEVEL D OPTIONAL & MANDATORY ONCE ONLY CODE V1130
SUBTTL C. WHITE/DJB/RCC/EVS/WRS/GMU/DPM 17 JUN 86
SEARCH F,S
IFN FTCIDSK,<
SEARCH KLPPRM,MSCPAR
>; END IFN FTCIDSK
$RELOC
$LOW
;THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY ONLY BE USED
; OR COPIED IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE.
;
.CPYRT<1973,1986>
;COPYRIGHT (C) 1973,1974,1975,1976,1977,1978,1979,1980,1982,1984,1986
;BY DIGITAL EQUIPMENT CORP., MAYNARD, MASS.
;ALL RIGHTS RESERVED.
;
XP VONCMD,1130
;SPECIAL SHORT DIALOG OPTIONS BY ERNIE SOCCI
ENTRY ONCMOD
ONCMOD::
ND UNTPLN,^D5 ;UNITS/LINE TYPED BY TYPUNS/TYPNMU
MXSADA==^D118
SUBTTL MULTI-PROCESSING MACRO DEFINITIONS
;MACRO TO EXECUTE A SUBROUTINE ON A SPECIFIED CPU. TYP ALLOWS
;YOU TO SET UP COMMON DATA STRUCTURE ACS FOR FREE. SEE CPUXCT
;FOR DETAILS. CALLS ARE USUALLY SYNCHRONOUS, EXECUTE WITH ALL
;AC'S EXCEPT FOR P, AND MAY SKIP (ONCE). THE ACS OF THE CALLED
;ROUTINE ARE RETURNED. HOWEVER, IF XC.ASY IS SET, THE CALL
;ONLY WAITS FOR THE CPU TO ACCEPT THE COMMAND, MAY NOT SKIP,
;AND DOES NOT RETURN THE ACS. CPUASF BIT 35-CPU# WILL CLEAR
;WHEN THE I/O COMPLETES.
DEFINE XCTCPU (TYP,SUB,FLAGS),<
IFE FTMP,<PUSHJ P,SUB>
IFN FTMP,<
PUSHJ P,[PUSHJ P,CPU'TYP
<IFIW SUB>+<FLAGS>]
> ;;END IFN FTMP
> ;;END DEFINE XCTCPU
XC.ASY==1B1 ;ASYNCH REQUEST FLAG
XC.SHT==1B2 ;SHORT TIMEOUT FLAG
SUBTTL BIND UNITS AT ONCE TIME
;ROUTINE CALLED BEFORE REDHOM TO BIND UNATTACHED UNITS.
;CALL:
; PUSHJ P,ONCBND
;RETURN:
; CPOPJ ALWAYS
IFN FTCIDSK,<
ONCBND::SKIPE [M0RAX##] ;SKIP IF RAXKON NOT INCLUDED
SKIPE BNDFLG## ;ALREADY BEEN HERE?
POPJ P, ;YES
PUSHJ P,SAVT## ;SAVE ACS
MOVEI T1,[SE1ENT ;LOAD ROUTINE TO EXECUTE
SKIPN T2,.CPPCB##-.CPCDB##(P1) ;GET PCB ADDRESS
POPJ P, ;NONE, RETURN
MOVE T2,.PCSTS(T2) ;GET STATUS FLAGS
TLNN T2,(ST.DED) ;IS THE KLIPA DEAD?
SETO T3, ;NO, REMEMBER WE HAD A RUNNING ONE
POPJ P,]
SETZ T3, ;START AFRESH
PUSHJ P,CPUAPP## ;DOES ANY CPU HAVE A KLIPA WHICH IS RUNNING?
JUMPE T3,CPOPJ## ;IF NOT, DON'T BOTHER WAITING
MOVEI T1,[ASCIZ /
[Initializing CI network] /] ;GET MESSAGE
PUSHJ P,ICONM## ;TELL THE OPERATOR
PUSHJ P,OPOUT## ;FORCE OUTPUT
MOVE T1,BNDTIM ;HOW MANY SECONDS TO WAIT
IMUL T1,TICSEC## ;CONVERT TO TICKS
ADD T1,BNDBEG ;FIND OUT WHEN THE WAIT IS OVER
ONCBN1: CAMLE T1,TIME## ;HAVE WE WAITED LONG ENOUGH?
JRST [PUSHJ P,APRCHK## ;NO, UPDATE TIME (PRESERVES T1)
JRST ONCBN1] ;CHECK AGAIN
MOVEI T1,[ASCIZ /
/]
PUSHJ P,ICONM## ;START THE MESSAGE
PUSHJ P,OPOUT## ;FLUSH THE OUTPUT
ONCBN2: SETOM BNDFLG## ;WE'RE READY TO BIND THE UNITS NOW
; SO FUTURE ONLINES SHOULD BIND THEMSELVES
MOVEI J,SYSKON##-KONNXT## ;SET UP INITIAL LINK
ONCBN3: HLRZ J,KONNXT##(J) ;GET NEXT KDB ADDRESS
JUMPE J,CPOPJ## ;RETURN WHEN DONE
LDB T1,KOYKTP## ;GET KONTROLLER TYPE
CAIE T1,TYPRA## ;CI DISK?
JRST ONCBN3 ;NO, SKIP IT
SETZB P1,ONLFLG ;START WITH CPU0, SET END PACKET FLAGS TO ZERO
ONCBN4: MOVEI P2,1 ;GET A BIT
LSH P2,(P1) ;POSITION FOR CPUN
TDNN P2,KONCAM##(J) ;CAN THIS CPU ACCESS THIS KONTROLLER?
JRST ONCBN8 ;NO, ON TO NEXT CPU
HRRZ P3,KONMUN##(J) ;GET MAXIMUM UNIT NUMBER
ONCBN5: SKIPN U,@KONPTR##(J) ;GET A UDB ADDRESS
JRST ONCBN7 ;NOT FOR THIS UNIT NUMBER
HRRZ T1,UNIALT##(U) ;SEE IF ALTERNATE PORT ALREADY ATTACHED
JUMPE T1,ONCBN6 ;JUMP IF NO ALTERNATE
MOVEI T2,CPUMSK## ;MASK FOR ALL CPU BITS
TDNE T2,UNICAM##(T1) ;ANY CPU HAVE ALTERNATE PORT ATTACHED?
JRST ONCBN7 ;YES, DON'T BIND THIS UNIT
HRRZ T1,UNIKON##(T1) ;ALTERNATE KDB
MOVE T1,KONBSY##(T1) ;HAVE WE ALREADY PROCESSED ALTERNATE KDB?
TLNE T1,KOPBND##
JRST ONCBN6 ;YES, BIND UNIT HERE AS WILL NOT BE BOUND ELSEWHERE
LDB T1,KOYKNM## ;GET KONTROLLER NUMBER
LDB T2,UNYKOF## ;GET KONTAB OFFSET
XOR T1,T2 ;TRY TO BIND HALF OF THE UNITS ON EACH KDB
TRNE T1,1 ;...
JRST ONCBN7 ;LET ALTERNATE KDB TACKLE THIS ONE
ONCBN6: TDNE P2,UNICAM##(U) ;IS THIS UNIT ALREADY BOUND ON THIS CPU?
JRST ONCBN7 ;YES
PUSH P,U ;SAVE UDB ADDRESS
HRRZ U,UNIALT##(U) ;ALTERNATE UNIT
SKIPE U ;IF AN ALTERNATE,
PUSHJ P,DETUDB## ; REMOVE FROM UNISYS CHAIN, PUT ON SYSDET CHAIN
POP P,U ;RESTORE UDB ADDRESS
MOVE T1,P1 ;COPY CPU NUMBER
XCTCPU (CPN,ONCONL) ;BIND THE UNIT
PUSHJ P,BNDERR ;ERROR, PRINT SOMETHING
ONCBN7: SOJGE P3,ONCBN5 ;LOOP FOR ALL UNITS
ONCBN8: CAIGE P1,CPUN##-1 ;DONE THEM ALL?
AOJA P1,ONCBN4 ;NO, LOOP FOR OTHER CPUS
MOVSI T1,KOPBND## ;GET A BIT TO TEST
IORM T1,KONBSY##(J) ;SHOW WE'VE PROCESSED THIS KDB
JRST ONCBN3 ;BACK TO NEXT KONTROLLER
;HERE IF ONLINE FAILED
BNDERR: MOVEI T1,[ASCIZ |%% Online of unit |]
PUSHJ P,ICONM## ;START MESSAGE
PUSHJ P,SPUNAM ;PRINT UNIT NAME
IFN FTMP,<
MOVEI T1,[ASCIZ | via CPU|]
PUSHJ P,CONMES## ;MORE
MOVEI T3,"0"(P1) ;GET CPU NUMBER
PUSHJ P,COMTYO## ;PRINT DIGIT
>; END IFN FTMP
MOVEI T1,[ASCIZ | failed|]
PUSHJ P,CONMES## ;FINISH MESSAGE
PJRST CRLFOP ;APPEND A CRLF AND OUTPUT
BNDBEG::BLOCK 1 ;TIME STAMP
BNDTIM: M.BNDT## ;SECS TO WAIT FOR CI NETWORK TO SETTLE
>; END IFN FTCIDSK
SUBTTL CHECK FOR RUNNING CPUS
; ROUTINE TO SEE IF THE OTHER CPU(S) ARE RUNNING AND
; PRINT A WARNING MESSAGE IF NOT
IFN FTMP,<
ONCCPU::PUSHJ P,SAVE1## ;SAVE P1
MOVEI P1,.C0CDB## ;START WITH CPU0
ONCCP1: MOVE T1,.CPCPN##-.CPCDB##(P1) ;GET CPU NUMBER
CAMN T1,.CPCPN## ;IS IT ME?
JRST ONCCP2 ;YES
XCTCPU (CPN,CHKCPU,XC.SHT) ;TRY TO WAKE HIM OUT OF HIS AC LOOP
SKIPA ;NOT RUNNING
JRST ONCCP2 ;CHECK THE NEXT ONE
MOVEI T1,[ASCIZ |%% |]
PUSHJ P,ICONM## ;START MESSAGE
MOVE T2,.CPLOG##-.CPCDB##(P1) ;GET NAME OF CPU
PUSHJ P,SPRNAM ;PUT IN MESSAGE
MOVEI T1,[ASCIZ/ serial #/]
PUSHJ P,CONMES## ;TYPE TEXT
MOVE T1,.CPASN##-.CPCDB##(P1) ;GET SERIAL NUMBER
PUSHJ P,RADX10## ;TYPE IT
MOVEI T1,[ASCIZ | is not running|]
PUSHJ P,CONMES## ;FINISH MESSAGE
PUSHJ P,CRLFOP ;APPEND A CRLF AND OUTPUT TO CTY
ONCCP2: HLRZ P1,.CPCDB##-.CPCDB##(P1) ;NEXT CDB
JUMPN P1,ONCCP1 ;LOOP IF ANOTHER CPU TO CHECK
POPJ P, ;AND RETURN
> ;END IFN FTMP
SUBTTL GET DATE/TIME FROM ANY FE WILLING TO TALK
;THIS CODE LIVES HERE BECAUSE WE NEED TO RUN ON SOME SPECIFIED CPU
;RETURNS CPOPJ IF CAN'T FIND A VALID DATE/TIME, CPOPJ1 IF CAN
GFETIM::PUSHJ P,SAVE1## ;SAVE AN AC
PUSH P,T1 ;FOR ONCE
MOVSI P1,-M.CPU## ;TRY ALL CPUS
GFETM1: HRRZ T1,P1 ;SET UP CPU NUMBER
XCTCPU (CPN,SPCGDT##) ;ASK FE FOR DATE/TIME (DTESER/KSSER)
CAIA ;THIS CPU CAN'T HELP
JRST TPOPJ1## ;LOCxxx NOW MATCH FE
AOBJN P1,GFETM1 ;TRY NEXT POSSIBLE CPU
JRST TPOPJ## ;NONE WERE HELPFUL, RETURN FAILURE
SUBTTL INITIALIZE IPA20 PORTS
;THIS CODE IS CALLED VIA QUEUED PROTOCOL TO INITIALIZE THE CI20 AND NIA20
;DEVICE DRIVERS. QUEUED IO PROTOCOL STARTS BEFORE INITIALIZING THE IPA-20
;DRIVERS BECAUSE ALTHOUGH WE CAN'T DO IO AT THIS POINT, QUEUED PROTOCOL IS
;USED TO GET THE DATE AND TIME FROM -20F ON NON-BOOT CPUS.
IFN FTKL10,<
SPRIPA::MOVEI T4,.C0CDB## ;POINT TO FIRST CDB
SPRIP1: MOVSI T2,(CR.IIP) ;INITIALIZE IPA'S PENDING FOR THIS CPU
IORM T2,.CPRUN##-.CPCDB##(T4);SET THE BIT
MOVE T1,.CPCPN##-.CPCDB##(T4);GET CPU NUMBER TO INITIALIZE
PUSH P,T4 ;SAVE ADDRESS OF CURRENT CDB
CAME T1,.CPCPN## ;DON'T START BOOT CPU HERE - WE'D WAIT
XCTCPU (CPN,SPRIPX##,XC.ASY);START INITIALIZING DRIVERS ON SPECIFIED CPU
POP P,T4 ;RESTORE CDB ADDRESS
HLRZ T4,.CPCDB##-.CPCDB##(T4);POINT TO NEXT CDB
JUMPN T4,SPRIP1 ;IF MORE CPUS TO DO, LOOP
;WE'VE STARTED AS MANY OTHER CPUS THINKING AS WE CAN. TIME FOR US.
PUSHJ P,SPRIPX## ;INITIALIZE OUR IPA-20 DRIVERS
IFN FTMP,<
SKIPE CPUASF ;SEE IF ANY CPUS ARE STILL INITIALIZING
JRST .-1 ;THEY ARE, WAIT FOR THEM TO SUCCEED
;WE ASSUME THAT A CPU WHICH STARTS TO
;INITIALIZE WILL FINISH.
> ;END FTMP
POPJ P, ;DONE
>; END IFN FTKL10
SUBTTL SHORT DIALOGUE
;ROUTINE FOR SYSTEM START UP (DESTROY OPTION)
SHRTST::MOVEI T1,[ASCIZ/
% WARNING: All structures will be refreshed. All disk files
will be destroyed. All information on currently spinning packs
will be lost. Do not proceed unless you are positive that you
want to do this.
Proceed? (Y or <CR>)/]
JSP T2,SVOTAC
PUSHJ P,YESNO## ;GET ANSWER
JRST ALTM1 ;GO BACK TO BEGINNING.(NO).
SETOM BATMAN
SETOM SHUTUP
SETOM KON ;SET STARTUP FLAGS
PUSHJ P,REDHOM ;DO WONDDEFUL THINGS
JFCL ;IGNORE ERRORS
SETZM KON ;AND RESET KONTROLLER CHECK FLAG.
JSP T2,SVOTAC ;SAVE AC'S
PUSHJ P,DMKSTR ;SET UP STRS
JSP T2,SVOTAC ;SAVE P4,J,F,AND U AGAIN
PUSHJ P,DMKUNI ;SET UP UNIT DEFAULTS
PUSHJ P,DEFASL ;AND ACTIVE SWAPPING LIST
PUSHJ P,DEFSSL ;AND SYS SEARCH LIST
PUSHJ P,DEFSDL ;AND SYSTEM DUMP LIST
PUSHJ P,WRTHOM ;WRITE OUT HOM BLOCKS, THEN READ
;THEM IN AGAIN&SET UP DATA BASE
MOVEI T1,[ASCIZ /
Start system? (Y or <CR>)/]
PUSHJ P,YESNO##
JRST ALTM1 ;NO-ASK LONG DIALOG QUEST AGAIN
MOVE F,DATADR ;SET UP FILE DATA BLOCK ADR
HLRZ P2,SYSSTR## ;GET ADDR. OF 1ST SDB
SKIPE P2
PUSHJ P,RFRES2 ;REFRESH ALL STRS
POP P,(P) ;FIX UP PD LIST
SKIPN SYSSTR## ;HAVE ANY STRS?
PJRST PVQCK## ;NO--GO DO QUICK STARTUP
MOVEI T1,[ASCIZ |
Disk file structures:|]
PUSHJ P,SVMOUT ;ADD CRLF & O/P MSG.
PUSHJ P,TYPSYS ;OUTPUT STRS WE JUST CREATED
MOVEI T1,[BYTE (7)15,12,0]
PUSHJ P,SVMOUT ;OUTPUT A CRLF
PJRST PVQCK## ;AND GO THROUGH QUICK STUFF
SUBTTL REFRESH AND CHANGE DIALOGUE
;ROUTINE FOR REFRESH ONLY (REFRESH)
SHRTRF::PUSHJ P,READ ;GO READ HOME & BAT BLOCKS
PJRST RFRESH ;REFRESH YOUR STRS.
;ROUTINE FOR CHANGING PARAMETERS ONLY (CHANGE)
SHRTPM::PUSHJ P,READ ;READ HOME AND BAT BLOCKS
PUSHJ P,CHGSTA ;CHANGE STRS?
PUSHJ P,CHGUNA ;UNITS?
PUSHJ P,CHGASL ;ACTIVE SWAPPING LIST?
PUSHJ P,CHGSRC ;SYS SEARCH LIST?
PUSHJ P,CHGSDL ;SYSTEM DUMP LIST?
PUSHJ P,CHKCHG ;SEE IF ANYTHING HAS BEEN CHANGED
POPJ P, ;NO-NO NEED FOR FOOLING
SETOM SHUTUP ;TELL RWRHOM TO KEEP IT QUIET
PUSHJ P,RWRHOM ;GO READ & WRITE NEW HOM BLOCKS
PJRST RFRESH ;ONLY STRS THAT NEED IT.
SUBTTL UNITID DIALOGUE
SHRTID::MOVE F,DATADR ;FILE DATA BLOCK ADDR
SKIPE SHUTUP ;SKIP IF VIRGIN SYSTEM
PUSHJ P,GVMNB0 ;GIVE MBF BACK-#1 TOOK IT
PUSHJ P,READ ;IN ANY EVENT, SET UP STUFF
MOVEI T1,[ASCIZ /Change all unit IDs? (Y or <CR>)/]
PUSHJ P,YESNO## ;GET ANSWER
PJRST SOMIDS ;ONLY CHANGE SOME.
ALLIDS: MOVEI T1,[ASCIZ /After each unit name, type the ID
/]
PUSHJ P,SVMOUT
HLRZ U,SYSUNI## ;1ST UNIT IN SYSTEM.
SKIPA
ALLID2: HLRZ U,UNISYS##(U) ;GET NEXT UNIT
JUMPE U,SOMID2
MOVSI T1,UNPWPO##
TDNE T1,UNIDES##(U)
JRST ALLID2
ALLID1: PUSHJ P,SVOSET ;INITIALIZE BUFFER
SETZB P1,P4
PUSHJ P,TYPUN1 ;TYPE OUT UNINAM AND ID
MOVEI T1,[ASCIZ /:/] ;AND COLON
PUSHJ P,SCONMS ;PUT IT IN
PUSHJ P,SOPOUT ;OUTPUT IT
MOVE P1,UNIHID##(U)
PUSHJ P,GETSIX
JRST ALLID2 ;NO CHANGE IN VALUE
JUMPE P1,ALLID1 ;0 IS NO GOOD, GO BACK AGAIN FOR SAME UNIT
MOVEM P1,UNIHID##(U) ;OK, YOU PASS...
PUSHJ P,SETCHG ;MARK HOM BLOCKS AS NEEDING REWRITING
JRST ALLID2
SOMIDS: MOVEI T1,[ASCIZ .
Disk file structures:.]
PUSHJ P,SVMOUT ;ADD CRLF & O/P MSG.
SKIPE SYSSTR## ;DON'T ASK FOLLOWING QUESTION IF NO STR'S
PUSHJ P,TYPSYS ;TYPE ALL STR NAMES & THEIR PHYSICAL UNIT NAMES
PUSHJ P,TYPUNS ;TYPE ALL UNIT NAMES THAT ARE NOT IN STR'S
MOVEI T1,[ASCIZ/
Type unit name, a comma, and new unit ID for each desired unit.
(Extra <CR> when through)
/]
PUSHJ P,SVMOUT ;OUTPUT MESSAGE
SOMID1: PUSHJ P,GETUNI ;GET UNIT, SETUP U
PJRST SOMID2 ;END OF LINE
JUMPE U,ALLIDS ;IF U=0, DO ALL
CAIE T3,"," ;USE EITHER COMMA
CAIN T3," " ;OR BLANK
CAIA
JRST SOMIDS ;YOU DIDNT GET THE MESSAGE!!
MOVE P1,UNIHID##(U) ;GET OLD ID
JSP T2,SVOTAC
PUSHJ P,GETSX1
JRST SOMID1 ;NO CHANGE IN VALUE
JUMPE P1,SOMIDS ;ZERO ID NO GOOD-GO BACK AGAIN
MOVEM P1,UNIHID##(U) ;PUT IT IN
PUSHJ P,SETCHG ;MARK HOME BLOCKS AS NEEDING REWRITING
JRST SOMID1 ;LOOP BACK FOR MORE POSSIBLE UNITS
SOMID2: PUSHJ P,CHKCHG ;ANY NEED CHANGING??
PJRST RFRESH ;NO-JUST GO BACK
SETOM SHUTUP
PUSHJ P,RWRHOM ;REWRITE HOM BLOCKS
PJRST RFRESH ;GO TO IT..
SUBTTL SHORT DIALOGUE
SHRTGO::PUSHJ P,READ ;READ HOM AND BAT BLOCKS.
SETOM SHUTUP ;ONLY TELL IF THEY NEED
PJRST RFRESH ;REFRESHING. BYE!
;ROUTINE FOR INITIALIZING KONTROLLER DATA BLOCKS.
SETKON::SETZM HOMFLG ;INDICATE MUST READ HOME BLOCKS
MOVSI T1,UNPWPO## ;SETUP UNIT WRITE PROTECT & OFF-LINE BITS
MOVSI T2,KOPDWN## ;SETUP KONTROLLER DOWN BIT
HLRZ U,SYSUNI## ;GET ADR. OF 1ST. UNIT DATA BLOCK IN SYSTEM
SETKN1: ANDCAM T1,UNIDES##(U) ;UNIT INITIALIZED TO BE ON-LINE & WRITE ENABLED
DPB T1,UNYUST## ;CLEAR UNIT STATUS(LOW ORDER BITS OF AC T1 = 0)
HRRZ J,UNIKON##(U) ;GET UNIT'S KONTROLLER DATA BLOCK ADR.
ANDCAM T2,KONDWN##(J) ;KONTROLLER IS ON-LINE
HLRZ U,UNISYS##(U) ;GET ADR. OF NEXT UNIT DATA BLOCK IN SYSTEM
JUMPN U,SETKN1 ;REPEAT IF THERE IS ONE
POPJ P,
READ: SETZM TYPONL
SETZM REFLAG##
PUSHJ P,SETKON ;SETUP UNIT WRITE PROTECT AND OFFLINE BITS
PUSHJ P,REDHOM ;READ HOM BLOCKS,
JFCL ;IGNORING ERRORS
PUSHJ P,REDBAT ;AND BAT BLOCKS
POPJ P, ;THEN GO BACK.
SUBTTL LONG DIALOGUE
FILOPL::SETZM OPTQIK ;ASK ABOUT OFF-LINE UNITS
FILOPT::PUSHJ P,SETKON ;SET UP KDBS
MOVEI T1,[ASCIZ /
In the following dialog, all numbers are decimal.
Type <CR> if OK, or a new number to change value.
/]
PUSHJ P,SVMOUT
SETZM TYPONL ;CLEAR TYPE ONLY FLAG
SETZM REFLAG## ;CLEAR REFLAG - SET IF REFRESH ANYTHING
SETZM BATMAN
FILOP2: PUSHJ P,REDHOM ;READ ALL "HOME" BLOCKS ON ALL UNITS IN SYSTEM
JFCL ;IGNORE ERRORS
FILCHG: SETZM BATANY ;CLEAR NO. OF BAD REGIONS FOR SYSTEM
PUSHJ P,REDBAT ;GO READ & VERIFY "BAT" BLOCKS ON ALL UNITS IN SYSTEM
SKIPE BATANY ;ANY BAD REGIONS ON ANY UNITS?
PUSHJ P,TYPBAT ;YES, ASK IF HE WANTS TO LIST ANY
MOVEI T1,[ASCIZ .
Disk file structures:.]
PUSHJ P,SVMOUT ;ADD CRLF & O/P MSG.
SKIPE SYSSTR## ;DON'T ASK FOLLOWING QUESTION IF NO STR'S
PUSHJ P,TYPSYS ;TYPE ALL STR NAMES & THEIR PHYSICAL UNIT NAMES
PUSHJ P,TYPUNS ;TYPE ALL UNIT NAMES THAT ARE NOT IN STR'S
PUSHJ P,TYPASL ;TYPE ALL UNITS IN ACTIVE SWAPPING LIST
PUSHJ P,TYPSRC ;TYPE "SYS" SEARCH LIST
PUSHJ P,TYPSDL ;TYPE SYSTEM DUMP LIST
SKIPE SYSSTR## ;DON'T ASK FOLLOWING QUESTION IF NO STR'S
PUSHJ P,TYPSTA ;ASK FOR STR NAMES TO TYPE PARAMETERS
PUSHJ P,TYPUNA ;ASK FOR UNIT NAMES TO TYPE PARAMETERS
SKIPN HOMFLG
PUSHJ P,CHKCHG ;ANY "HOME" BLOCKS NEED REWRITING AT THIS POINT?
JRST ANYCHG ;NONE DO - SEE IF ANYTHING TO BE CHANGED
MOVEI T1,[ASCIZ .
Before HOME blocks are rewritten,
Do you want to change any disk parameters?
.]
PUSHJ P,ASKQUE ;ASK QUESTION & GET USER'S RESPONSE
JRST RWRHOM ;THE ANSWER WAS "NO" - JUST REWRITE HOME BLOCKS
JRST CHGLUP ;FALL INTO CHANGE DIALOG
ANYCHG: PUSHJ P,ASKYCR ;ASK IF ANYTHING TO BE CHANGED
JRST RFRESH ;APPARENTLY NOT - SEE IF ANY STR'S TO BE REFRESHED
CHGLUP: PUSHJ P,ASKDIS ;ASK IF ANY STR'S TO BE DISSOLVED-DISSOLVE THEM
PUSHJ P,ASKDEF ; " " " " " " DEFINED- DEFINE "
SKIPE SYSSTR## ;DON'T ASK FOLLOWING QUESTION IF NO STR'S
PUSHJ P,CHGSTA ;ASK FOR STR NAMES TO TYPE & CHANGE PARAMETERS
PUSHJ P,CHGUNA ;ASK FOR UNIT NAMES TO TYPE & CHANGE PARAMETERS
PUSHJ P,TYPASL ;TYPE ACTIVE SWAPPING LIST
PUSHJ P,CHGASL ;ASK IF ACTIVE SWAPPING LIST TO BE CHANGED
PUSHJ P,TYPSRC ;TYPE "SYS" SEARCH LIST
PUSHJ P,CHGSRC ;ASK IF "SYS" SEARCH LIST TO BE CHANGED
PUSHJ P,TYPSDL ;TYPE SYSTEM DUMP LIST
PUSHJ P,CHGSDL ;ASK IF SYSTEM DUMP LIST TO BE CHANGED
SKIPE SHUTUP
JRST RWRHM1
PUSHJ P,CHKCHG ;SEE IF ANY "HOME" BLOCKS NEED REWRITING
JRST ANYCHG ;NONE DO - SEE IF ANYTHING TO BE CHANGED
;HERE WHEN "HOME" BLOCKS MUST BE REWRITTEN
CHGSOM: MOVEI T1,[ASCIZ .
Before HOME blocks are written.]
PUSHJ P,CONOUT ;ADD CRLF & O/P MSG.
PUSHJ P,TYPSTA ;ASK FOR STR NAMES TO TYPE PARAMETERS
; ASK EVEN IF THERE ARE NO STR'S JUST AS A REMINDER
PUSHJ P,TYPUNA ;ASK FOR UNIT NAMES TO TYPE PARAMETERS
PUSHJ P,ASKYCR ;ASK IF ANYTHING TO BE CHANGED
CAIA ;NO - SEE IF ANY UNITS NEED "HOME" BLOCKS REWRITTEN
JRST CHGLUP ;YES - GO CHANGE THINGS
;HERE TO JUST REWRITE "HOME" BLOCKS
RWRHOM: PUSHJ P,RWRSUB ;ASK FOR UNITS TO REWRITE HOME BLOCKS
MOVE F,DATADR ;SETUP FILE DATA BLOCK ADR.
PUSHJ P,GVMNB0 ;RETURN MONITOR BUFFER USED FOR "HOME" BLOCK
SKIPE SHUTUP
JRST RWRHM1 ;IF SHORT DIALOG, DONT GO BACK
PUSHJ P,CHKCHG ;DID WE WRITE ALL HOME BLOCKS?
JRST FILOP2 ;YES, REREAD THEM AS A CHECK
SETOM HOMFLG ;NO, INDICATE DON'T REREAD
PUSHJ P,GTMNB1 ;GET MON BUF TO READ BAT BLOCKS
JRST FILCHG ;GO READ ALL "HOME" BLOCKS & SET UP DATA BASE
RWRHM1: PUSHJ P,REDHOM
JFCL
PUSHJ P,REDBAT
POPJ P, ;YES.
;ROUTINE TO JUST WRITE OUT ALL HOME BLOCKS(FOR OPTION NUMBER 1)
;DOESN'T WRITE ON OFF LINE OR WRITE PROTECTED UNITS
WRTHOM: MOVSI P4,UNPCHG##
HLRZ U,SYSUNI##
WRTHM1: MOVSI T1,UNPWPO## ;HARDWARE WRITE PROTECT & OFF LINE BITS
TDNE T1,UNIDES##(U) ;IF UNABLE TO WRITE, GO TO NEXT UNIT
JRST WRTHM2
PUSHJ P,HOMWRT
ANDCAM P4,UNIDES##(U) ;CLEAR OUT UNPCHG
WRTHM2: HLRZ U,UNISYS##(U)
JUMPN U,WRTHM1 ;UNITS ARE LEFT-GO FOR MORE
MOVEI T1,[ASCIZ .
HOME blocks written on all units.]
PUSHJ P,SVMOUT
MOVE F,DATADR ;GET FDB ADDRESS
PUSHJ P,GVMNB0 ;GIVE BACK MONITOR BUFFER
PUSHJ P,REDHOM
JFCL
PUSHJ P,REDBAT ;READ BAT BLOCKS ALSO
POPJ P, ;GO AWAY
SUBTTL REFRESH FILE STRUCTURE(S)
RFRESH: SKIPN HOMFLG
PUSHJ P,CHKCHG ;ANY "HOME" BLOCKS NEED REWRITING?
CAIA ;NO - GO REFRESH STRS
JRST CHGSOM ;YES - WARN USER BEFORE WRITING THEM
MOVE P1,STRAOB## ;LH=-NUMBER OF STR'S, RH=INDEX OF 1ST
SETZ P3, ;P3=0 FOR 1ST THAT NEEDS REFRESHING
RFRESA: MOVE P2,TABSTR##(P1) ;ADDR OF NEXT STR DATA BLOCK
JUMPE P2,RFRESB ;JUMP IF NOT AN STR
HLLZ T2,STRREF##(P2) ;NEEDS REFRESHING FLAG
JUMPN T2,RFRESC ;JUMP IF NEEDS REFRESHING
RFRESB: AOBJN P1,RFRESA ;LOOP FOR ALL STRS
SKIPE SHUTUP ;IF IN QUIET MODE
JUMPE P3,CPOPJ## ;DON'T ASK IF NO STR NEEDS IT
JUMPE P3,RFRES3 ;ASK WHAT HE WANTS TO REFRESH
PUSHJ P,SCRLFO
JRST RFRES3
RFRESC: JUMPN P3,RFRESD
PUSHJ P,SVOSET
MOVEI T1,[ASCIZ .
%Need refreshing:
.]
PUSHJ P,SCONMS
RFRESD: PUSHJ P,TYPSTS ;TYPE STR NAME
AOJA P3,RFRESB ;BUMP P3 TO SHOW ONE PRINTED AND KEEP ON
RFRES1: PUSHJ P,SOPOUT
RFRES3: MOVEI T1,[ASCIZ .Type structure name to be refreshed (<CR> if none).]
MOVE F,DATADR ;SETUP FILE DATA BLOCK ADR
PUSHJ P,ASKSTR ;TYPE MSG. & GET RESPONSE
POPJ P, ;CR WAS TYPED - EXIT
JUMPN P2,RFRES4
MOVEI T1,[ASCIZ ."ALL" is not a legal response.]
PUSHJ P,SCONMS
JRST RFRES3
RFRES4: HLLZ T2,STRREF##(P2) ;IF STR NEEDS REFRESHING
JUMPN T2,WUNSTR ; DON'T ASK IF HE IS SURE
MOVEI T1,[ASCIZ .
Structure does not require refreshing, are you sure?
.]
PUSHJ P,ASKQUE
JRST RFRES3 ;CHANGED HIS MIND
SKIPGE STRSDL##(P2)
SKIPL STRSRC##(P2)
CAIA
JRST WUNSTR ;NOT IS SYS SEARCH LIST. DO IT
MOVEI T1,[ASCIZ .This is a system structure, are you positive?
.]
PUSHJ P,ASKQUE
JRST RFRES3 ;CHANGED HIS MIND
;FALL INTO WUNSTR
WUNSTR: PUSHJ P,REFSTR## ;REFRESH STR
STOPCD .+1,DEBUG,ERD,DIESTR##, ;++ERROR REFRESHING DISK
JRST RFRES3 ;ASK FOR ANOTHER STR NAME TO BE REFRESHED
;HERE ON DESTROY
RFRES2: PUSHJ P,REFSTR## ;REFRESH STR
STOPCD .+1,DEBUG,EWR,DIESTR##, ;++ERROR WHILE REFRESHING
HLRZ P2,STRSYS##(P2) ;GET ADR. OF NEXT STR IN SYSTEM
JUMPN P2,RFRES2 ;REPEAT IF ANY LEFT
POPJ P, ;CR WAS TYPED - EXIT
;ROUTINE TO SEE IF ALTMODE WAS TYPED IN RESPONSE TO A QUESTION
;IF SO, USE SAVED PDP AND POPJ BACK TO QUICK
ALTM:: JUMPGE J,CPOPJ## ;JUST GO BACK IF ALT WASN'T TYPED.
ALTM1: MOVE F,DATADR ;FILE DATA BLOCK ADR
MOVE P,.CPNPD## ;FIX PDP
PUSH P,. ;POSITIVE NUMBER ON LIST IS
; THE ALT-MODE FLAG
JRST SHORTD## ;GO BACK TO BEGINNING.
SUBTTL MANDATORY ONCE ONLY CODE
FILMAN::SETZM SERIUS
SETZM FSTTIM## ;REALLY DO THINGS
PUSHJ P,REDHOM ;READ ALL UNIT'S "HOME" BLOCKS THAT CAN BE
; & SET UP UPPER CORE DATA BLOCKS
JRST .+2 ;ERRORS - CALL OPTIONAL ONCE-ONLY
JRST FILMN1 ;NO ERRORS IN "HOME" BLOCK-PROCEED
SKIPN OPTQIK ;QUICK OPTION?
SKIPGE DEBUGF## ; OR DEBUGGING?
SKIPE SERIUS ;YES, SERIOUS ERROR
CAIA ;YES, DO LONG DIAGLOGUE
JRST FILMN1 ;NO, START UP SYSTEM
SETZM BATMAN ;ASSUME OPTIONAL FOR VENDING BAT BLOCKS
FILMN0: SETZM SERIUS
PUSHJ P,FILCHG ;CALL OPTIONAL ONCE-ONLY
PUSHJ P,REDHOM ;MUST READ "HOME" BLOCKS AGAIN-MAY HAVE BEEN CHANGED
JFCL ;IGNORE ERRORS
SKIPE SERIUS ;SERIOUS ERROR STILL EXIST?
JRST FILMN0 ;YES, MAKE HIM FIX IT
FILMN1: SETOM BATMAN ;NOTE IN MANDANTORY PART NOW
PUSHJ P,REDBAT ;READ BAT BLOCKS TO SET UP SWAPPING SATS
HLRZ P2,SYSSTR## ;GET ADR. OF 1ST. STR IN SYSTEM
NXTSIS: SETZB P4,STRTAL##(P2) ;CLEAR FREE BLOCK TALLY & LAST RET. PTR. FLAG FOR STR
HLRZ U,STRUNI##(P2) ;GET ADR. OF 1ST. UNIT IN STR
PUSHJ P,GTSRB ;READ SAT.SYS "RIB" BLOCK FOR THIS STR - P2 DESTROYED
STOPCD NXTSIE,DEBUG,ERS,DIEUNI##, ;++ERR READING SAT
HRRZ T1,P1 ;GET ADR. OF "RIB" BLOCK IN CORE
ADD T1,RIBFIR##(P1) ;CREATE AOBJN PTR. FOR SCANNING RET. INFO.
AOBJN T1,.+2 ;SKIP OVER 1ST. PTR. AS IT IS A "RIB"
STOPCD NXTSIE,DEBUG,NRS,DIEUNI##, ;++NO RIB IN SAT
HRRZ P2,UNISTR##(U) ;GET ADR. OF STR - P2 CLOBBERED BY GTSRB
IFN FTXMON,SE1JRS ;MUST BE EXECUTED IN SECTION 1
NXTUIS: SETZM UNITAL##(U) ;CLEAR FREE BLOCK TALLY FOR THIS UNIT
PUSH P,T1 ;SAVE PTR.
LDB T3,UNYLUN## ;GET LOG. UNIT # OF THIS UNIT IN STR
SKIPN T3 ;IF THIS UNIT IS LOG. UNIT # 0
SKIPA T2,-1(T1) ; SKIP BACK OVER "RIB" TO GET NEW UNIT PTR.
MOVE T2,(T1) ;GET NEW UNIT PTR.
TRNN T2,RIPNUB## ;IS IT REALLY A NEW UNIT PTR?
STOPCD NXTSI1,DEBUG,NNU,DIEUNI##, ;++NOT NEW UNIT
ANDI T2,77 ;IT SHOULD BE LOG. UNIT # SO MASK OUT EXTRA BITS
CAME T2,T3 ;IS IT?
STOPCD NXTSI1,DEBUG,RPM,DIEUNI##, ;++RET. PTR. MISMATCH
MOVE T4,UNISPT##(U) ;GET ADR. OF UNIT'S SPT TABLE
MOVPTR: AOBJP T1,MOVPT2 ;HAVE WE RUN OUT OF RET. INFO?
MOVE T2,(T1) ;NO - GET NEXT WORD
LDB T3,STYCNP##(P2) ;GET CLUSTER COUNT
JUMPE T3,MOVPT1 ;IF 0 WE MUST HAVE RUN OUT OF PTRS. FOR THIS UNIT
LDB T2,STYCLP##(P2) ;GET CLUSTER ADR.
DPB T2,SPYCLA## ;STORE IN SPT TABLE FOR THIS UNIT
AOJA T4,MOVPTR ;BUMP SPT TABLE ADR. & RETURN FOR MORE PTRS.
NXTSI1: POP P,T1 ;RESTORE PTR. TO RET. INFO FROM STACK.
NXTSIE: MOVEI T2,1 ;GET A BIT
DPB T2,UNYAWL## ;SET SOFTWARE WRITE PROTECT FOR ALL JOBS
NXTSI2: HRRZ P2,UNISTR##(U) ;RESET P2 TO POINT TO STR
JRST LSTRT1 ;AND GO ON TO NEXT STR
MOVPT1: MOVEM T1,(P) ;SAVE PTR. ON STACK FOR NEXT UNIT SCAN
JUMPN T2,MOVPT3 ;WAS IT 0 ENTRY INDICATING END OF LIST?
MOVPT2: SUBI T4,1 ;YES - DECREMENT T4 SO THAT LAST ENTRY IN SPT TABLE,
; WHICH IS A "RIB", GETS CLEARED
SETOM P4 ;YES - SET END OF LIST FLAG
MOVPT3: SETZM (T4) ;ZERO END OF SPT TABLE FOR THIS UNIT
;NOW READ ALL SATS ON THIS UNIT - COMPUTE THE # OF FREE CLUSTERS LEFT IN EACH SAT
PUSH P,P2 ;SAVE ADR. OF THIS STR
LDB P1,UNYSPU## ;GET # SAT BLOCKS ON THIS UNIT
MOVNS P1 ;MAKE -VE
HRLZS P1 ;MAKE IT INTO AN AOBJN PTR.
MOVEI P2,DIFSAB##(U) ;SETUP OFFSET TO POINT TO 1ST. SAB BLOCK ADR.
NXTSAT: MOVE P2,SABRNG##(P2) ;GET ADR. OF NEXT SAB BLOCK FOR THIS UNIT
MOVE T4,UNISPT##(U) ;GET ADR. OF SPT TABLE
ADDI T4,(P1) ;ADD IN INDEX FOR LDB SPYCLA
LDB T1,SPYCLA## ;GET CLUSTER ADR. OF THIS SAT BLOCK
LDB T2,UNYBPC## ;GET # BLOCKS PER CLUSTER
IMUL T2,T1 ;COMPUTE LOGICAL BLOCK # FOR THIS SAT
PUSHJ P,REDSAT ;GO READ SAT & COMPUTE # FREE CLUSTERS LEFT IN IT
STOPCD LSTRT0,DEBUG,SRE,DIEUNI##, ;++SAT READ ERROR
MOVE T4,UNISPT##(U) ;GET ADR. OF SPT TABLE FOR THIS UNIT
ADDI T4,(P1) ;ADD IN INDEX FOR DPB SPYTAL
DPB T2,SPYTAL## ;STORE # FREE CLUSTERS IN THIS SAT BLOCK IN SPT TABLE
LDB T1,UNYBPC## ;GET # BLOCKS PER CLUSTER FOR THIS UNIT
IMUL T1,T2 ;COMPUTE # FREE BLOCKS IN THIS SAT BLOCK
HRRZ T2,UNISTR##(U) ;LOC OF STR DATA BLOCK
HLLZ T3,STRREF##(T2)
JUMPE T3,NXTSA1 ;IF STR NEEDS REFRESHING,
MOVEI T3,1 ; PRETEND IT'S WRITE-LOCKED
DPB T3,UNYAWL##
JRST NXTSA2 ; AND LEAVE UNITAL=STRTAL=0
NXTSA1: ADDM T1,UNITAL##(U) ;ADD TO TOTAL FOR THIS UNIT
ADDM T1,STRTAL##(T2) ;ADD TO TOTAL FOR THIS STR
NXTSA2: AOBJN P1,NXTSAT ;GO READ NEXT SAT IF THERE IS ONE
MOVE T2,UNIBPU##(U) ;GET NO OF BLOCK ON UNIT
LDB T3,UNYK4S## ;K FOR SWAPPING
LSH T3,BLKSPK## ;CONVERT TO BLOCKS
SUB T2,T3 ;COMPUTE SAFETY FACTOR
IDIVI T2,UNVRSF## ; BLOCKS TO USE WHEN UNIT FULL
CAILE T2,^D500 ;MAX SAFETY FACTOR = 500 BLOCKS
MOVEI T2,^D500
MOVNS T2
ADDM T2,UNITAL##(U) ;SUBTRACT FACTOR FROM UNIT
HRRZ T1,UNISTR##(U)
ADDM T2,STRTAL##(T1) ; AND FROM STR
POP P,P2 ;POP OFF ADR. OF THIS STR DATA BLOCK FROM STACK
POP P,T1 ;RESTORE PTR. TO RET. INFO. FROM STACK
HLRZ U,UNISTR##(U) ;GET ADR. OF NEXT UNIT DATA BLOCK IN STR
JUMPL P4,LSTRTP ;HAS LAST RET. PTR. BEEN SEEN?
JUMPN U,NXTUIS ;NO - IS THERE ANOTHER UNIT IN THIS STR TO CHECK
STOPCD .,STOP,ROU,DIESTR##, ;++RAN OUT OF UNITS
LSTRTP: SKIPE U ;IS THERE ANOTHER UNIT IN THIS STR TO CHECK
STOPCD .,STOP,TMU,DIESTR##, ;++TOO MANY UNITS
JRST LSTRT1 ;ALREADY RESTORED T1 AND P2
LSTRT0: MOVEI T1,1 ;SET SOFTWARE WRITE PROTECT FOR ALL JOBS
DPB T1,UNYAWL##
POP P,P2 ;POP OFF ADR. OF THIS STR. DATA BLOCK FROM STACK
POP P,T1 ;RESTORE PTR. TO RE. INFO FROM STACK
LSTRT1:
IFN FTXMON,<
JRST @[0,,.+1] ;RETURN TO SECTION 0
>
HLRZ P2,STRSYS##(P2) ;GET ADR. OF NEXT STR DATA BLOCK IN SYSTEM
JUMPN P2,NXTSIS ;IF THERE IS ONE REPEAT
PUSH P,P2 ;INIT TEMP PTR TO SYS. SL.
MOVE P2,SYSSRC##
MOVEM P2,TEMPTR
PUSHJ P,SLINI## ;AND EMPTY THE SYS SL.
POP P,P2
MOVE P4,[PUSHJ P,DEPCLR] ;SETUP INSTR. FOR XCT IN FNDSRC
PUSHJ P,FNDSRC ;GO SETUP "SYS" SEARCH LIST
PUSHJ P,SSLBLD## ;LOAD THE SSL INTO THE BOOTSTRAP VECTOR
JFCL ;NOT AVAILABLE
PUSHJ P,ASLBLD## ;LOAD THE ASL INTO THE BOOTSTRAP VECTOR
JFCL ;NOT AVAILABLE
PUSHJ P,SDLBLD## ;LOAD THE SDL INTO THE BOOTSTRAP VECTOR
JFCL ;NOT AVAILABLE
MOVE T4,DDSTAR## ;COMPUTE OFFSET OF HI CORE DATA BLOCKS ETC.
SUB T4,SYSSIZ##
MOVEI T2,SYSSTR## ;SETUP LINK POINTING TO 1ST. STR IN SYSTEM
JRST ADJSR1
ADJSTR: SETZM STRMNT##(P1) ;CLEAR MOUNT COUNT(TIMESHARED AS STRSAT)
SETZM STRJOB##(P1) ;CLEAR SINGLE ACCESS OWNER(TIMESHARED AS STRSRC)
HRRZ T3,P1
SUB T3,T4 ;DECREMENT LH OF PTR. TO NEXT STR BY OFFSET
HRLM T3,(T2)
MOVEI T2,STRSYS##(P1) ;SETUP LINK POINTING TO NEXT STR IN SYSTEM
ADJSR1: HLRZ P1,(T2) ;GET ADR. OF NEXT STR IN SYSTEM
JUMPN P1,ADJSTR ;REPEAT IF ANY MORE STRS
HLRZ U,SYSUNI## ;GET ADR. OF 1ST UNIT DATA BLOCK IN SYSTEM
ADJUNI:
IFE FTXMON,<
LDB T1,UNYSIC## ;GET # SAT BLOCKS IN CORE FOR THIS UNIT
JUMPE T1,ADJSA1 ;MUST BE A UNIT NOT IN AN STR
MOVEI T3,UNISAB##(U) ;SETUP LINK POINTING TO 1ST. SAB BLOCK FOR THIS UNIT
CAIA
ADJSAB: MOVEI T3,SABRNG##(P1) ;SETUP LINK POINTING TO NEXT SAB BLOCK FOR THIS UNIT
MOVE P1,(T3) ;GET ADR. OF NEXT SAB BLOCK FOR THIS UNIT
MOVE T2,P1
SUB T2,T4 ;DECREMENT LH OF THIS SAB'S(OR UNIT DATA BLOCK'S)
MOVEM T2,(T3) ; PTR. TO NEXT SAB BY OFFSET
SOJG T1,ADJSAB ;REPEAT IF ANY MORE SAB BLOCKS FOR THIS UNIT
MOVE T2,UNISAB##(U) ;GET ADR. OF 1ST. SAB BLOCK
MOVEM T2,SABRNG##(P1) ;MAKE LAST SAB BLOCK POINT TO 1ST.(RING)
HRRZ T2,UNIPTR##(U)
SUB T2,T4 ;DECREMENT RH OF AOBJN PTR. TO SWAPPING SAT TABLE
HRRM T2,UNIPTR##(U)
MOVE T2,UNISPT##(U)
JUMPE T2,ADJSA1 ;NO SPT TABLE FOR THIS UNIT?
SUB T2,T4 ;DECREMENT ADR. OF SPT TABLE IN UNIT DATA BLOCK
MOVEM T2,UNISPT##(U)
>
ADJSA1: HRRZ T2,UNISTR##(U) ;GET STR ADR. THIS UNIT IS IN
JUMPE T2,ADJSA2 ;IS IT 0?
SUB T2,T4 ;NO - DECREMENT ITS ADR.
HRRM T2,UNISTR##(U) ;STORE NEW ADR.
IFN FTDUAL,<
SKIPE T2,UNI2ND##(U) ;DRIVE DUAL PORTED?
PUSHJ P,CPYUD## ;COPY INFORMATION TO SECOND PORT
>
ADJSA2: HLRZ U,UNISYS##(U) ;GET ADR. OF NEXT UNIT DATA BLOCK IN SYSTEM
JUMPN U,ADJUNI ;REPEAT IF ANY LEFT
MOVE T3,STRAOB## ;ADJUST ALL ADRS. IN STR TABLE
ADJSTT: HRRZ T2,TABSTR##(T3) ;GET NEXT STR ADR. FROM TABLE
JUMPE T2,SWPFAC ;END OF TABLE?
SUB T2,T4 ;NO - DECREMENT THIS STR ADR.
HRRM T2,TABSTR##(T3) ;STORE NEW STR ADR.
AOBJN T3,ADJSTT ;REPEAT IF NOT END OF TABLE
SWPFAC: PUSHJ P,GVMNB0 ;RETURN MONITOR BUFFER USED FOR "RIB" BLOCK
IFN FTSETS,<
PUSHJ P,TYPNMU ;TYPE UNITS IN STRUCTURES NOT MOUNTED TO THIS SYS
>; END IFN FTSETS
;CALCULATE DATA NEEDED FOR THE MCU FUNCTION.
;SET PROT AND PROT0 ACCORDING TO THE FIRST UNIT
;IN THE ACTIVE SWAPPING LIST USING THE AVERAGE TIME PER PAGE
;FOR PROT AND THE AVERAGE LATENCY TIME FOR PROT0
MOVEI P1,BKPMAX ;LAST ENTRY IN UNIT TYPE TABLES
SWPFC1: MOVEI T1,PAGSIZ## ;GET WORDS PER PAGE
LSH T1,-7 ;CONVERT TO BLOCKS PER PAGE (128 WORDS PER BLOCK)
IMUL T1,MSPREV(P1) ;MULTIPLY BY MICROSECS PER REVOLUTION
IDIV T1,BKPREV(P1) ;DIVIDE BY BLOCKS PER REVOLUTION TO
;GET MICROSECS PER PAGE
MOVEM T1,MCUATP##(P1) ;SAVE IN TABLE FOR MCU CALCULATION
MOVE T1,AVSEEK(P1) ;GET AVG SEEK TIME IN MICROSECS
LSH T1,1 ;*2
ADD T1,MSPREV(P1) ;ADD IN MICROSECS PER REV
LSH T1,-1 ;/2 TO GET AVERAGE LATENCY
MOVEM T1,MCUALT##(P1) ;IN MICROSECS. SAVE FOR MCU.
SOJGE P1,SWPFC1 ;LOOP FOR ALL TYPES OF UNIT.
;NOW CALCULATE DEFAULT PROT AND PROT0 WHICH WILL BE USED
;IN THE ABSENCE OF THE MINIMUM CORE USAGE FUNCTION.
MOVSI T3,MSWPMX## ;AOBJN POINTER TO SWPTAB
SKIPN U,SWPTAB##(T3) ;GET FIRST NON-ZERO ENTRY
AOBJN T3,.-1
LDB T1,UNYKTP## ;GET KONTROLLER TYPE
MOVE T1,TYPTAB##(T1) ;GET OFFSET INTO UNIT TYPE TABLES
LDB P1,UNYUTP## ;GET UNIT TYPE
ADD P1,T1 ;GET FINAL POSITION IN UNIT TYPE TABLES
MOVE T1,PRT0TB(P1) ;GET PROT0 FOR THIS DEVICE
MOVEM T1,PROT0## ;(MICRO SECONDS)
IMUL T1,TICSEC## ;TICS PER SECOND
IDIV T1,[^D1000000] ;CONVERT PROT0 TO TICKS
MOVEM T1,PROT1## ;AND SAVE AS TICS VERSION OF PROT0
MOVE T1,PROTTB(P1) ;GET MULTIPLIER FOR THIS DEVICE
MOVEM T1,PROT## ;(MICRO SECONDS)
MOVE T1,PRTMTB(P1) ;GET MAXIMUM FOR THIS DEVICE
MOVEM T1,PROTM## ;(MICRO SECONDS)
IFN FTNSCHED,<
MOVE T1,MCUATP##(P1) ;AVG TIME PER PAGE IN MICROSEC.
IMULI T1,PAVJSP## ;PREDICTED AVG JOB SIZE IN PAGES
ADD T1,MCUALT##(P1) ;PLUS AVG LATENCY IN MICROSEC.
IMUL T1,TICSEC## ;MICROTICS
IDIV T1,[^D1000000] ;CONVERT TO TICS
ADDI T1,1 ;ROUND UP TO NEXT TIC
MOVEM T1,SCDSWP## ;CYCLE TIME FOR PQ2 SWAPIN SCAN
>
; NOW SET QUANTUM TABLES
MOVE T1,MAXTAB(P1) ;GET MAXIMUM PQ2 QUANTUM RUN TIME
IMUL T1,TICSEC ;CONVERT TO TICKS
IDIV T1,[^D1000000]
MOVEM T1,QMXTAB##+1
MOVE T1,ADDTAB(P1) ;GET MINIMUM PQ2 QUANTUM RUN TIME
IMUL T1,TICSEC ;CONVERT TO TICKS
IDIV T1,[^D1000000]
MOVEM T1,QADTAB##+1
MOVE T1,MULTAB(P1) ;GET PQ2 QUANTUM RUN TIME MULTIPLIER
IMUL T1,TICSEC ;CONVERT TO TICKS
IDIV T1,[^D1000000]
MOVEM T1,QMLTAB##+1 ;AND AS PQ2 MULTIPLIER
;PQ1 QUANTA ARE INITIALIZED IN COMMON.
;INSERT ANY NON-STANDARD CODE FOR
;INITIALIZING PQ1 QUANTA HERE.
MOVSI T1,UNPTSB## ;GET TIMESHARED BIT(S) IN UNIDES
HLRZ U,SYSUNI## ;GET ADR. OF 1ST. UNIT DATA BLOCK IN SYSTEM
SWPFC3: ANDCAM T1,UNIDES##(U) ;CLEAR TIMESHARED BIT(S)
IFN FTDUAL,<
SKIPE T2,UNI2ND##(U) ;ALTERNATE PORT?
ANDCAM T1,UNIDES##(T2) ;YES, CLEAR IT (THEM) HERE TOO
>; END IFN FTDUAL
HLRZ U,UNISYS##(U) ;GET ADR. OF NEXT UNIT DATA BLOCK IN SYSTEM
JUMPN U,SWPFC3 ;REPEAT IF ANY LEFT
SETZM DINITF## ;CLEAR FLAG THAT INDICATES ONCE ONLY IN PROGRESS
MOVEI T1,STRSYS##
HRRM T1,SYSSTR##
SKIPN REFLAG## ;AUTOMATIC "LOGIN" WANTED?
POPJ P, ;NO - RETURN
MOVE T1,FFAPPN##
MOVEM T1,REFLAG##
PJRST REFLOG##
;BLOCKS PER REVOLUTION TABLE
BKPREV: 0 ;NEW DRUM
0 ;DITTO
^D20 ;RD10
^D30 ;RM10B
^D5 ;RP01
^D10 ;RP02
^D10 ;RP03
^D11 ;DUAL POSITIONER MD10
^D11 ;SINGLE POSITIONER MD10
^D32 ;RS04
^D20 ;RP04
^D20 ;RP06
^D30 ;RM03
^D30 ;RP07
^D25 ;RP20
^D23 ;RA80
^D23 ;RA81
^D19 ;RA60
BKPMAX==.-BKPREV-1 ;MAXIMUM INDEX TO THESE TABLES
;MICROSECONDS PER REVOLUTION TABLE
MSPREV: 0 ;NEW DRUM
0 ;DITTO
^D33000 ;RD10
^D17000 ;RM10B
^D25000 ;RP01
^D25000 ;RP02
^D25000 ;RP03
^D50000 ;DUAL POSITIONER MD10
^D50000 ;SINGLE POSITIONER MD10
^D17000 ;RS04
^D17000 ;RP04
^D17000 ;RP06
^D17000 ;RM03
^D17000 ;RP07
^D17000 ;RP20
^D17000 ;RA80
^D17000 ;RA81
^D17000 ;RA60
AVSEEK: 0 ;NEW DRUM
0 ;DITTO
0 ;RD10
0 ;RM10B
^D50000 ;RP01
^D50000 ;RP02
^D50000 ;RP03
^D110000 ;DUAL POSITIONER MD10
^D110000 ;SINGLE POSITIONER MD10
0 ;RS04
^D27000 ;RP04
^D27000 ;RP06
^D27000 ;RM03
^D23000 ;RP07
^D25000 ;RP20
0 ;RA80
0 ;RA81
0 ;RA60
TEMPTR: 0 ;ACTUAL PTR. USED
;TABLE OF MINIMUM IN-CORE-PROTECT TIMES FOR VARIOUS DEVICES (PROT0)
PRT0TB: ^D3000000 ;NEW DRUM - UNKNOWN
^D3000000 ;DITTO
^D3000000 ;RD10
^D1500000 ;RM10B
^D7000000 ;RP01
^D5000000 ;RP02
^D5000000 ;RP03
^D8000000 ;DUAL POSITIONER MD10
^D8000000 ;SINGLE POSITIONER MD10
^D1500000 ;RS04
^D2000000 ;RP04
^D2000000 ;RP06
^D2000000 ;RM03
^D2000000 ;RP07
^D2000000 ;RP20
^D2000000 ;RA80
^D2000000 ;RA81
^D2000000 ;RA60
;TABLE OF IN-CORE-PROTECT TIME MULTIPLIERS BY DEVICE (PROT)
PROTTB: 0 ;NEW DRUM - UNKNOWN
0 ;DITTO
0 ;RD10
0 ;RM10B
0 ;RP01
0 ;RP02
0 ;RP03
0 ;DUAL POSITIONER MD10
0 ;SINGLE POSITIONER MD10
0 ;RS04
0 ;RP04
0 ;RP06
0 ;RM03
0 ;RP07
0 ;RP20
0 ;RA80
0 ;RA81
0 ;RA60
;TABLE OF MAXIMUM IN-CORE-PROTCT TIMES FOR VARIOUS DEVICES (PROTM)
PRTMTB: ^D3000000 ;NEW DRUM - UNKNOWN
^D3000000 ;DITTO
^D3000000 ;RD10
^D1500000 ;RM10B
^D7000000 ;RP01
^D5000000 ;RP02
^D5000000 ;RP03
^D8000000 ;DUAL POSITIONER MD10
^D8000000 ;SINGLE POSITIONER MD10
^D1500000 ;RS04
^D2000000 ;RP04
^D2000000 ;RP06
^D2000000 ;RM03
^D2000000 ;RP07
^D2000000 ;RP20
^D2000000 ;RA80
^D2000000 ;RA81
^D2000000 ;RA60
;TABLE OF MINIMUM PQ2 IN QUEUE TIMES BY DEVICE (QADTAB+1)
ADDTAB: ^D3000000/4 ;NEW DRUM - UNKNOWN
^D3000000/4 ;DITTO
^D3000000/4 ;RD10
^D1500000/4 ;RM10B
^D7000000/4 ;RP01
^D5000000/4 ;RP02
^D5000000/4 ;RP03
^D8000000/4 ;DUAL POSITIONER MD10
^D8000000/4 ;SINGLE POSITIONER MD10
^D1500000/4 ;RS04
^D2000000/4 ;RP04
^D2000000/4 ;RP06
^D2000000/4 ;RM03
^D2000000/4 ;RP07
^D2000000/4 ;RP20
^D2000000/4 ;RA80
^D2000000/4 ;RA81
^D2000000/4 ;RA60
;TABLE OF PQ2 MULTIPLIERS FOR IN QUEUE TIME BY DEVICE (QMLTAB+1)
MULTAB: ^D3000000/4 ;NEW DRUM - UNKNOWN
^D3000000/4 ;DITTO
^D3000000/4 ;RD10
^D1500000/4 ;RM10B
^D7000000/4 ;RP01
^D5000000/4 ;RP02
^D5000000/4 ;RP03
^D8000000/4 ;DUAL POSITIONER MD10
^D8000000/4 ;SINGLE POSITIONER MD10
^D1500000/4 ;RS04
^D2000000/4 ;RP04
^D2000000/4 ;RP06
^D2000000/4 ;RM03
^D2000000/4 ;RP07
^D2000000/4 ;RP20
^D2000000/4 ;RA80
^D2000000/4 ;RA81
^D2000000/4 ;RA60
;TABLE OF MAXIMUM PQ2 IN QUEUE TIMES BY DEVICE (QMXTAB+1)
MAXTAB: ^D3000000/2 ;NEW DRUM - UNKNOWN
^D3000000/2 ;DITTO
^D3000000/2 ;RD10
^D1500000/2 ;RM10B
^D7000000/2 ;RP01
^D5000000/2 ;RP02
^D5000000/2 ;RP03
^D8000000/2 ;DUAL POSITIONER MD10
^D8000000/2 ;SINGLE POSITIONER MD10
^D1500000/2 ;RS04
^D2000000/2 ;RP04
^D2000000/2 ;RP06
^D2000000/2 ;RM03
^D2000000/2 ;RP07
^D2000000/2 ;RP20
^D2000000/2 ;RA80
^D2000000/2 ;RA81
^D2000000/2 ;RA60
SUBTTL SUBROUTINES
;SUBROUTINE TO READ A SAT BLOCK & COUNT THE # OF FREE CLUTERS IN IT
REDSAT:
IFN FTXMON,<
SE1JRS ;MAKE THE SAB RING ADDRESSABLE
MOVEI T1,(MS.SAT) ;WHERE TO READ THE DATA
HRRM T1,DEVISN(F) ;STORE SECTION NUMBER FOR MAPIO
>
HLLZ T1,SABSCN##(P2) ;GET -VE LENGTH OF THIS SAT BLOCK
ADDI T1,-1+SABBIT##(P2) ;MAKE AN IOWD PTR. FOR MONRED
IFN FTXMON,<
JRST @[0,,.+1] ;OMNRED CAN'T HACK IT IN SECTION 1
>
PUSH P,@ONCMBF ;PRESERVE CURRENT MON. BUFFER ADR.
MOVEM T1,@ONCMBF ;STORE NEW IOWD FOR SAT BLOCK
PUSHJ P,OMNRED ;GO READ IN "SAT" BLOCK
JRST REDST1 ;ERROR WHILE READING SAT BLOCK - NON SKIP RETURN
AOS T1,@ONCMBF ;MAKE IOWD BACK INTO AN AOBJN PTR.
PUSH P,R ;SAVE R
IFN FTXMON,<
SE1JRS ;BACK TO SECTION 1
MOVSI R,(MS.SAT) ;DATA SECTION
>
IFE FTXMON,<
SETZ R,
>
PUSHJ P,SATCN## ;COUNT 0 BITS IN SAT BLOCK
POP P,R ;RESTORE R
HRRZM T2,SABTAL##(P2) ;STORE FREE CLUSTERS IN THIS SAT
SETOM SABHOL##(P2) ;DONT KNOW SIZE OF LARGEST HOLE
HRRZS T2 ;CLEAR OUT LH
MOVSI T1,SAPDOB## ;CLEAR SAT BAD & SAT IN CORE DIFFERENT FROM ON DISK
ANDCAM T1,SABFIR##(P2)
DPB P1,SAZNDX## ;STORE SAT BLOCK INDEX # IN IN SAB BLOCK
HRRZ T1,UNICPS##(U) ;GET # CLUSTERS PER SAT FOR THIS UNIT
IMULI T1,(P1) ;TIMES SAT BLOCK INDEX
DPB T1,SAYCLA##
AOS -1(P) ;SKIP RETURN
REDST1:
IFN FTXMON,<
HLLZS DEVISN(F) ;I/O IS NOW TO SECTION ZERO
>
POP P,@ONCMBF ;RESTORE ORIGINAL MON BUFFER ADR.
POPJ P, ;RETURN
;SUBROUTINE TO READ THE "RIB" BLOCK FOR SAT.SYS
GTSRB: MOVE P4,STRSAT##(P2) ;GET LOG. BLOCK #'S OF 1ST. & 2ND. "RIB" BLOCKS
MOVE P3,[EXP CODRIB##] ;GET CODE WORD FOR "RIB" BLOCKS
MOVSI P2,(SIXBIT .SAT.)
PJRST REDRUN ;READ & VERIFY "RIB" BLOCKS
;SUBROUTINE TO GIVE THE MONITOR BUFFER TO A DDB
;RETURNS AN IOWD FOR THE MON BUF IN .UPMBF
GTMNB1: MOVE T1,[MBLKSZ##,,MONBUF-1]
MOVEM T1,@ONCMBF
POPJ P,
;SUBROUTINE TO RETURN THE MONITOR BUFFER
GVMNB0: SETZM @ONCMBF
POPJ P,
;SUBROUTINE TO READ & VERIFY HOME BLOCKS AT SYSTEM INITIALIZATION
; REDHOM GETS A MONITOR BUFFER(GTMNBF), BUT DOESN'T RELINQUISH IT(GVMNB0)
;CALL PUSHJ P,REDHOM
; ERROR RETURN AN ERROR WAS DETECTED WHILE READING THE "HOME" BLOCKS
; OF 1 OR MORE UNITS AND/OR NO STR'S WERE CREATED
; OK RETURN ALL HOME BLOCKS THAT WERE NOT DOWN READ OK
REDHOM::SKIPE HOMFLG ;HOME BLOCKS SAME IN CORE AND DISK?
JRST CPOPJ1## ;NO, LEAVE CORE IMAGE ALONE
SETZM DOFLOK ;CLEAR FLAG
SETZM SWPUN2##
IFE FTAUTC,<
SETZM SYSGEN## ;START UNIGEN'S AFRESH
>; END IFE FTAUTC
SKIPE .UONCE## ;SKIP IF EXEC MODE
SKIPA T1,ONCEND## ;USER MODE, GET ADDR OF FIRST FREE LOC
MOVEI T1,ONCEND## ;EXEC MODE, ADDR OF FIRST FREE LOC
MOVEM T1,DATADR
MOVEM T1,HICORE##
MOVEI R,.USMBF ;ASSUME ONCE
SKIPE .UONCE##
MOVEI R,TWCMBF## ;TWICE
MOVEM R,ONCMBF ;ADDRESS OF MONITOR BUFFER TO BE USED
MOVEI T2,DDBLEN## ;SETUP LENGTH OF DDB FOR CORE GRABBER
PUSHJ P,CORGRB ;GET CORE
MOVEM T2,DDSTAR## ;SAVE HIGH CORE START ADR. OF DDB'S ETC.
SETOM DINITF## ;SET FLAG THAT INDICATES THAT ONCE ONLY IN PROGRESS
SKIPE .UONCE##
JRST BUFSE1
HRRZ T1,DSKDSP##+DINI
PUSHJ P,(T1) ;SET DISK QUEUES AND CLEAR ALL FLAGS
CONO PI,PI.ON ;TURN PI SYSTEM ON FOR WAITS
BUFSE1: MOVE T1,DATADR
HRRZS SWPDDB##+DEVSER ;CLEAR LINK SO ONCE WONT LOOP
PUSHJ P,SETDDO## ;CREATE A DDB FOR ONCE ONLY I/O
STOPCD .,STOP,NMC, ;++NO MORE CORE
PUSHJ P,GTMNB1 ;GET A MONITOR BUFFER FOR READING "HOME" BLOCKS
SETZM SYSSTR## ;INITIALLY THERE ARE NO FILE STRUCTURES IN SYSTEM
HRRZS SWPUNI## ;INITIALLY NO UNITS IN ASL
MOVE T1,STRAOB## ;CLEAR OUT TABLE OF STR DATA BLOCK ADRS.
SETZM TABSTR##(T1)
AOBJN T1,.-1
MOVSI T1,MSWPMX## ;CLEAR OUT TABLE OF UNIT ADRS. IN ASL
SETZM SWPTAB##(T1)
AOBJN T1,.-1
HLRZ U,SYSUNI## ;GET ADR. OF 1ST. UNIT DATA BLOCK IN SYSTEM
SETZM ERRHOM ;CLEAR ERROR(S) WHILE READING "HOME" BLOCKS FLAG
SCNUNI:
IFE FTAUTC,<
AOS T1,SYSGEN## ;GET A UNIQUE UNIT GENERATION NUMBER
HRRM T1,UNIGEN##(U)
>; END IFE FTAUTC
HRRZ J,UNIKON##(U) ;GET ADR. OF KONTROLLER DATA BLOCK FOR THIS UNIT
SKIPGE KONUPA##(J) ;HAS KONTROLLER BEEN FLAGGED AS DOWN?
JRST FLGDWN ;YES - FLAG UNIT AS DOWN ALSO
TRYKON: HRRZ J,UNIKON##(U) ;RESET J
XCTCPU (UNI,CHKKON) ;GET KONTROLLER ON/OFF-LINE STATUS
JRST KDOWN ;DOWN
JUMPN T1,KONTOK ;OK IF WRITE-HEADER LOCKOUT IS ON
JRST WHLBAD ;IT'S SET WRONG
KDOWN: MOVEI T4,[ASCIZ . is off-line.]
HLLZ P1,UNINAM##(U) ;GET SIXBIT CONTROLLER NAME
MOVEI T3,[ASCIZ .Do you want it to be 1)On-line, or 2)Down? (Type #)
.]
PUSHJ P,MCKKON ;PRINT MSG & GET ANSWER
JRST TRYKON ;ILLEGAL RESPONSE
CAIE T2,2 ;WAS "2" TYPED?
JRST TRYKON ;NO - CHECK AGAIN IF "1" OR ANYTHING ELSE WAS TYPED
KOPSET: MOVSI T1,KOPDWN## ;KONTROLLER DOWN BIT(SIGN BIT)
IORM T1,KONDWN##(J) ;FLAG KONTROLLER AS DOWN
JRST FLGDWN ;FLAG UNIT DOWN AS WELL
;HERE WHEN THE WHL SWITCH IS SET WRONG
WHLBAD: MOVSI T1,KOPWHL## ;WE ALREADY ASK ABOUT SWITCH!
TDNE T1,KONUPA##(J)
JRST KONTOK ;YES, HE SAID IT WAS OK
MOVEI T4,[ASCIZ . write-header-lockout switch allows writing headers.]
HLLZ P1,UNINAM##(U) ;SIXBIT CONTROLLER NAME
MOVEI T3,[ASCIZ .Do you want it to be 1)Set, or 2)Ignored? (Type#).]
PUSHJ P,MCKKON ;PRINT MSG, GET ANSWER
JRST TRYKON ;ILLEGAL ANSWER
CAIE T2,2 ;TRY AGAIN?
JRST TRYKON ;YES
PUSHJ P,OFFDWN
AOSG DOFLOK
JRST WHLBD1
MOVEI T1,[ASCIZ .
Not normally done, are you sure?
.]
PUSHJ P,ASKQUE
JRST TRYKON ;HE ISN'T SURE
WHLBD1: MOVSI T1,KOPWHL## ;INDICATE OPR SAID CONTROLLER
IORM T1,KONUPA##(J) ; HAS SWITCH WRONG
;HERE IF KONTROLLER ON-LINE - TO CHECK IF UNIT OK
KONTOK: MOVSI T1,UNPOFL##
TDNE T1,UNIDES##(U) ;IS UNIT OFF-LINE OR DOWN?
JRST NXTUNI ;YES - CONTINUE SCAN ON NEXT UNIT
XCTCPU (UNI,CHKCPY) ;CHECK CAPACITY OF UNIT
JFCL ;IGNORE ERRORS (CATCH THEM BELOW)
MOVEM T1,UNIBPU##(U) ;BLOCKS PER UNIT (REGULAR)
MOVEM T2,UNIBPM##(U) ;BLOCKS PER UNIT INCL. MAINT CYLS
MOVEM T3,UNIBUC##(U) ;BLOCKS PER UNIT IN COMPAT. MODE
DPB W,UNYBPY## ;BLOCKS PER CYLINDER
HLRZ T3,W ;BLOCKS PER TRACK
DPB T3,UNYBPT## ;STORE # OF BLOCKS PER TRACK ON THIS UNIT
DPB T4,UNYUTP## ;STORE UNIT TYPE #
IFN FTDUAL,<
HLRZ T1,J ;SERIAL NUMBER
PUSHJ P,MATUN## ;ANY OTHER DRIVE WITH SAME NUMBER?
JRST KONTO3 ;NO
PUSHJ P,LN2ND## ;SETUP UNI2ND LINKS FOR THIS DRIVE
; AND UNLINK SECOND PORT FROM UNISYS CHAIN
JRST NXTUNI ;DONT READ HOME BLOCKS, TRY NEXT UNIT
KONTO3:>
TLNN T4,KOPUHE## ;UNIT ON-LINE?
JRST WCKUNI ;YES, SEE IF IT IS WRITE-ENABLED
TLNE T4,KOPNSU## ;WAS THIS NO SUCH UNIT ERROR?
JRST FLGDWN ;YES, SKIP QUESTION, FLAG AS DOWN
MOVEI T3,[ASCIZ .Do you want it to be 1)On-line, 2)Off-line, or 3)Down? (Type #).]
PUSHJ P,OFLUNM ;PRINT MSG & GET ANSWER
JRST TRYKON ;ILLEGAL RESPONSE
CAIN T2,2 ;WAS "2" TYPED?
JRST FLGOFL ;YES - FLAG UNIT AS OFF-LINE
CAIE T2,3 ;WAS "3" TYPED?
JRST TRYKON ;NO - CHECK AGAIN IF "1" OR ANYTHING ELSE WAS TYPED
;HERE TO FLAG UNIT AS DOWN & OFF-LINE
FLGDWD:
FLGDWN: MOVEI T1,UNVDWN## ;VALUE FOR UNIT DOWN
JRST FLGOFF ;ALSO SET OFF-LINE STATUS BIT
;HERE TO FLAG UNIT AS OFF-LINE ONLY AND NO PACK MOUNTED
FLGOFL: MOVEI T1,UNVNPM## ;SET STATUS TO NO PACK MOUNTED
; SO RES COMMAND WILL PRINT AS AVAIL.
FLGOFF: DPB T1,UNYUST## ;STORE UNIT STATUS(DOWN OR NO PACK MOUNTED)
MOVSI T1,UNPOFL## ;OFF-LINE BIT
IORM T1,UNIDES##(U) ;SET BIT IN LH. OF UNIDES WORD
SETZB T1,UNILOG##(U) ;MAKE SURE NOT IN STR FLAG CLEARED
;COULD HAVE BEEN SET IF UNIT TURNED
;OFF AND THE ONCE ONLY RESTARTED
DPB T1,UNYSIC## ;MAKE SURE NO SATS IN CORE SO WONT ADJUST
;SAB'S LATER. COULD ALSO HAPPEN AS ABOVE
MOVEI T1,O2COD## ;IF DEVICE DOES POSITIONS,
SKIPL KONPOS##(J) ; WE'LL GET AN INTERRUPT WHEN IT COMES UP,
MOVEM T1,UNISTS##(U) ; SO MARK IT DOWN FOR NOW
SETOM UNISUN##(U) ;CAN'T BE PART OF THE ASL IF OFFLINE
SETZM UNISTR##(U) ;IN CASE IT WAS UP, <ALT> TYPE
JRST NXTUNI ;CONTINUE SCAN ON NEXT UNIT
;HERE IF UNIT ON-LINE - TO CHECK IF UNIT WRITE ENABLED
WCKUNI: MOVSI T1,UNPHWP## ;GET HWP BIT
ANDCAM T1,UNIDES##(U) ;CLEAR IT
DPB T1,UNYAWL## ;CLEAR SOFTWARE W/L
HRRZ J,UNIKON##(U) ;*** MAYBE REMOVE THIS LATER
XCTCPU (UNI,CHKWLK) ;SEE IF UNIT IS WRITE ENABLED
JRST CHKHOM ;IT IS
MOVEI T3,[ASCIZ .Do you want it to be 1)Write-enabled, or 2)Write-protected? (Type #)
.]
PUSHJ P,WRPUNM ;PRINT MSG & GET ANSWER
JRST TRYKON ;ILLEGAL RESPONSE
CAIE T2,2 ;WAS "2" TYPED?
JRST TRYKON ;NO - CHECK AGAIN
MOVSI T1,UNPHWP## ;HARDWARE WRITE-PROTECT BIT
IORM T1,UNIDES##(U) ;FLAG UNIT AS WRITE PROTECTED
;HERE IF UNIT ON-LINE & LEGALLY WRITE PROTECTED OR ENABLED - CHECK ITS "HOME" BLOCKS
CHKHOM: MOVEI T1,UNVPIM## ;IF WE READ HOME BLOCKS
DPB T1,UNYUST## ;A PACK MUST BE MOUNTED
LDB T1,UNYKTP##
CAIE T1,TYPRP## ;IF THIS IS AN RP04
JRST CHKHM1
MOVEI T2,0 ;FORMAT ERROR CAN ONLY BE DETECTED
PUSHJ P,OMNRED ; ON SECTOR 0, SO READ IT
TRNE S,IODTER ;IODTER = IODERR = 1
TRNN S,IODERR ; MEANS FORMAT ERROR (PDP-11 PACK)
JRST CHKHM1
PUSHJ P,UNITIS
MOVEI T1,[ASCIZ . PDP-11 pack mounted - Unit considered off-line
.]
PUSHJ P,CONMES##
PUSHJ P,CRLFOP
JRST FLGOFL
CHKHM1:
SKIPE KON ;SKIP IF NOT SHORT DIALOG OPTION 1
JRST NXTUNI ;SKIP THIS PART IF IT IS OPTION 1
PUSHJ P,GTHOM ;GET "HOME" BLOCK INTO CORE
CAIA ;ERROR(S) ON BOTH "HOME" BLOCKS - T2 RETURNED NON 0
JRST HMBOK ;AT LEAST ONE "HOME" BLOCK OK
MOVSI T2,UNPHWP##
SETZM HOMSIC##(P1) ;0 SAT BLOCKS IN CORE FOR THIS UNIT(FOR CRESAB CODE)
MOVEI T1,[ASCIZ .
Do you want to initialize the HOME blocks on this unit?
.]
TDNE T2,UNIDES##(U)
JRST ASIS
SKIPE SHUTUP
JRST .+3
PUSHJ P,ASKQUE
JRST ASIS
MOVE T1,P1 ;USE ANOTHER AC AS P1 IS NEEDED
SETZM (T1) ;CLEAR 1ST. WORD OF IN CORE "HOME" BLOCK
HRLS T1 ;MAKE A BLT PTR. TO CLEAR ALL OF "HOME" BLOCK
ADDI T1,1
BLT T1,BLKSLF##(P1) ;CLEAR "HOME" BLOCK
MOVEM P2,BLKNAM##(P1) ;STORE SIXBIT "HOM"
MOVEM P3,BLKCOD##(P1) ;STORE "HOME" BLOCK CODE
MOVEM P4,HOMHOM##(P1) ;STORE LOG. BLOCK #'S OF "HOME" BLOCKS
SETOM HOMSUN##(P1) ;INDICATE UNIT NOT IN ASL
SETOM HOMSRC##(P1) ;INDICATE STR THIS UNIT WILL BE IN
; WILL NOT BE IN "SYS" SEARCH LIST
SETOM HOMSDL##(P1) ;INDICATE NOT IN SYSTEM DUMP LIST
LDB T1,UNYUTP##
MOVEM T1,HOMUTP##(P1) ;SET RIGHT UNIT IN HOME BLOCK
PUSHJ P,WRTVID ;SETUP SYSTEM TYPE IN FUNNY FORMAT
PUSHJ P,WRTRUN ;WRITE BOTH "HOME" BLOCKS
JFCL ;IGNORE ERRORS - FOR THE MOMENT
JRST FLGCHG ;GO FLAG MOD BLOCKS MUST BE REWRITTEN
ASIS: MOVEI T1,UNVNPM## ;NO PACK MOUNTED
DPB T1,UNYUST## ;SET STATUS FOR UNIT
FLGCHG: PUSHJ P,SETCHG ;FLAG THAT THIS UNIT'S "HOME" BLOCK MUST BE REWRITTEN
PUSHJ P,MOVUNI ;MOVE PARAMS FROM "HOME" BLOCK TO UNIT DATA BLOCK
JRST NOSTR ;TRY & SETUP SAB RING & SPT TABE FOR UNIT
OFFDWN: SKIPE OPTQIK ;SEE IF QUICK OPTION
SETOM DOFLOK ;YES--SET DEFAULT FLAG
SKIPN SHUTUP
SKIPGE DEBUGF## ;IS SYS PROG DEBUGGING?
SETOM DOFLOK ;YES--SET DEFAULT FLAG
POPJ P,
;HERE IF "HOME" BLOCK(S) READ INTO CORE OK
; GENERATE STR DATA BLOCK & LINK UNIT DATA BLOCKS CORRECTLY
HMBOK: AOJE T2,HMBOK2 ;FLAG REWRITE HOME BLOCKS IF ERRORS
PUSH P,T2 ;SAVE HOME BLOCK FLAG
PUSHJ P,CHKVSY ;DO WE UNDERSTAND THIS PACK?
JRST HMBOK1 ;YES
PUSH P,T1 ;NO, SAVE ADDRESS OF SYSTEM TYPE TEXT
PUSHJ P,UNITIS
MOVEI T1,[ASCIZ . - .] ;SOME NOISE
PUSHJ P,CONMES##
POP P,T1 ;RESTORE ADDRESS OF SYSTEM TYPE TEXT
PUSHJ P,CONMES## ;START THE MESSAGE
MOVEI T1,[ASCIZ . system pack mounted - Unit considered off-line
.]
PUSHJ P,CONMES##
PUSHJ P,CRLFOP
POP P,T2 ;CLEAN STACK
JRST FLGOFL
HMBOK1: POP P,T2 ;RESTORE HOME BLOCK FLAG
SOSE T2 ;EITHER HOME BLOCK BAD?
PUSHJ P,SETCHG ;YES, MARK TO REWRITE THEM
LDB T2,UNYKTP## ;GET KONTROLLER TYPE
CAIE T2,TYPDP## ;SKIP IF RP10
JRST HMBOK3 ;NOT RP10 PROCEED
LDB T1,UNYUTP## ;GET UNIT TYPE TO MAKE SURE PACK IS
CAIE T1,2 ; COMPATIBLE, SKIP IF RP03
JRST HMBOK3 ;NOT RP03, PROCEED
CAMN T1,HOMUTP##(P1) ;SINCE RP03 DRIVE CAN READ RP02 PACKS
JRST HMBOK3 ;PACK WRITTEN BY RP03, PROCEED
;WRONG PACK! NOTIFY OPERATOR.
MOVEI T3,[ASCIZ . Do you want it to be 1)On-line, 2)Off-line, or 3)Down? (Type #).]
MOVEI T4,[ASCIZ . is RP03 drive, Pack written on RP02.]
MOVE P1,UNINAM##(U) ;GET SIXBIT UNIT NAME
MOVEI T1,[ASCIZ .
%.]
PUSHJ P,NASTYP ;PRINT MESSAGE AND GET RESPONSE
JRST TRYKON ;ILLEGAL RESPONSE
CAIN T2,2 ;WAS "2" TYPED?
JRST FLGOFL ;YES, FLAG AS OFF-LINE
CAIE T2,3 ;WAS "3" TYPED?
JRST TRYKON ;NO, CHECK AGAIN IF "1" OR SOMETHING ELSE
JRST FLGDWN ;WAS "3", FLAG AS DOWN.
HMBOK2: PUSHJ P,SETCHG ;FLAG HOME BLOCKS NEED REWRITING
HMBOK3: PUSHJ P,MOVUNI ;MOVE PARAMS FROM HOM BLOCK TO UNIT DATA BLOCK
MOVEI P2,0 ;SET STR DB ADR. = 0 IN CASE NO STR FOUND
IFN FTSETS,<
SKIPE .UONCE## ;IS THIS TWICE?
JRST HMBOK5 ;YES, BYPASS CHECKS ON SET NUMBER
LDB T1,HOYSET## ;GET SET NUMBER THIS STRUCTURE BELONGS TO
JUMPE T1,HMBOK5 ;SPECIAL CASE OF THE "ALL" SET
MOVE T2,BITTBL##-1(T1) ;GET THE APPROPRIATE BIT
CAIG T1,^D36 ;IN THE "NO" SET?
TDNN T2,DSKSET## ;DO WE WISH TO MOUNT THIS STRUCTURE AT ONCE TIME?
SKIPA ;NO, THEN DON'T SET UP SDB
JRST HMBOK5 ;PROCEED
MOVSI T1,UNPNMU## ;GET THE TEMPORARY BIT
IORM T1,UNIDES##(U) ;SET IN THE UNIT DATA BLOCK
JRST NOSTR1 ;BYPASS SETTING UP SDB
>; END IFN FTSETS
HMBOK5: MOVE T1,HOMSNM##(P1) ;GET STR NAME FROM HOME BLOCK
JUMPE T1,HMBOK4 ;DON'T LOOK FOR OR CREATE A ZERO STR NAME
PUSHJ P,FNSTR ;FIND STR(IF IT EXISTS)
CAIA ;NOT FOUND--MUST CREATE A NEW STR DB
JRST HMBOK4 ;FOUND
PUSHJ P,GETSTR ;CREATE STR DATA BLOCK IN UPPER CORE
JRST NOSTR ;ATTEMPT TO CREATE MORE STR'S THAN ALLOWED
PUSHJ P,MOVSTR ;MOVE PARAMS FROM HOM BLOCK TO STR DATA BLOCK
HMBOK4: MOVE P4,UNIBPU##(U) ;UNIT SIZE
CAMLE P4,STRBPU##(P2) ;BIGGEST UNIT IN STR?
MOVEM P4,STRBPU##(P2) ;YES, SAVE NEW SIZE
PUSHJ P,LNKSTR ;LINK ALL UNITS IN THIS STR
PUSHJ P,CRESAB ;CREATE SAB RING AND SPT TABLE
PUSHJ P,VALMFD ;VALIDATE THE MFD
JRST NXTUNI ;ONTO THE NEXT UNIT
NOSTR: SETOM ERRHOM ;INDICATE ERROR IN "REDHOM"
NOSTR1: SETOM UNISUN##(U) ;INDICATE UNIT NOT IN ASL
SETZM UNILOG##(U) ;INDICATE UNIT NOT IN AN STR
NXTUNI: HLRZ U,UNISYS##(U) ;GET NEXT UNIT DATA BLOCK ADR. IN SYSTEM
JUMPN U,SCNUNI ;AROUND AGAIN IF ANY LEFT
SKIPE KON ;SKIP IF NOT OPTION 1 OF SHORT DIALOG
POPJ P, ;RETURN , YOU WERE PUSHJ ED TO.
PUSHJ P,CHKSTR ;MAKE SURE ALL STRS HAVE ALL NECESSARY UNITS
PUSHJ P,BLDSSL## ;BUILD SYSTEM SEARCH LIST FROM PRESERVED COPY
PUSHJ P,DSKSSL ;USE THE DISK DATA BASE
PUSHJ P,BLDASL## ;BUILD ACTIVE SWAPPING LIST FROM PRESERVED COPY
JFCL ;IGNORE ERRORS
PUSHJ P,DSKASL ;USE THE DISK DATA BASE
PUSHJ P,CHKASL ;MAKE SURE THE ASL LOOKS OK
PUSHJ P,BLDSDL## ;BUILD SYSTEM DUMP LIST FROM PRESERVED COPY
PUSHJ P,DSKSDL ;USE THE DISK DATA BASE
SKIPN ERRHOM ;ANY ERRORS?
AOS (P) ;NO - SKIP RETURN
POPJ P,
SUBTTL STRUCTURE ROUTINES -- LNKSTR - LINK UNITS WITHIN A STRUCTURE
LNKSTR: JUMPE P2,CPOPJ## ;IF UNIT NOT IN STR SETUP SAB RING & SPT TABLE
LDB T2,UNYLUN## ;GET LOGICAL UNIT # WITHIN STR
SKIPE HOMNXT##(P1) ;IS THIS LAST UNIT IN STR?
JRST LNKST2 ;NO - GO LINK UNIT DATA BLOCK INTO STR
HRRZ T1,STRUNM##(P2) ;HAVE WE ALREADY SEEN A LAST UNIT FOR THIS STR?
JUMPE T1,LNKST1 ;NO - NOW WE HAVE
PUSH P,T2 ;SAVE LOG. UNIT #
MOVEI T1,[ASCIZ .
?More than one last unit in structure .]
PUSHJ P,MSGSTR ;PRINT MSG FOLLOWED BY SIXBIT STR NAME
POP P,T2 ;RESTORE LOG. UNIT #
LNKST1: ANDI T2,77 ;MAX. OF 64 UNITS IN STR
HRRM T2,STRUNM##(P2) ;STORE LOG. # OF LAST UNIT IN STR
AOS STRUNM##(P2) ;LEAVE T2 ALONE BUT MAKE MEMORY OK
LNKST2: MOVEI T4,STRUNI##(P2) ;GET ADDR OF LINK TO FIRST UDB IN STR
JRST LNKST4
LNKST3: LDB T3,UNYLN1## ;YES - GET LOG. UNIT # OF NEXT UNIT
CAMLE T3,T2 ;IS IT GREATER THAN UNIT JUST READ?
JRST LNKST5 ;YES - INSERT UNIT DATA BLOCK HERE
MOVEI T4,UNISTR##(T1) ;GET ADR. OF LINK TO NEXT UNIT
LNKST4: HLRZ T1,(T4) ;GET ADR. OF NEXT UNIT DATA BLOCK IN STR
JUMPN T1,LNKST3 ;MORE DATA BLOCKS?
LNKST5: HRLM T1,UNISTR##(U) ;SAVE LINKS TO STR & NEXT UNIT DATA BLOCK
HRRM P2,UNISTR##(U) ; IN THIS UNIT DATA BLOCK
HRLM U,(T4) ;SAVE THIS UDB IN PREVIOUS UNIT DATA BLOCK
POPJ P, ;RETURN
SUBTTL STRUCTURE ROUTINES -- VALMFD - VALIDATE THE MFD
VALMFD: SKIPN UNILOG##(U) ;SKIP IF UNIT IS IN A FILE STRUCTURE
POPJ P, ;NOT IN A FILE STRUCTURE
HRRZ P2,UNISTR##(U) ;ADDR OF STR DATA BLOCK
HLLZ T1,STRREF##(P2) ;NEEDS REFRESHING FLAG
JUMPN T1,CPOPJ## ;NO MFD IF NEEDS REFRESHING
HRRZ P1,@ONCMBF ;ADDR FROM IOWD PTR TO HOME BLOCK
ADDI P1,1
LDB T2,UNYLUN## ;LOGICAL UNIT IN FILE STRUCTURE
CAME T2,HOMUN1##(P1) ;SKIP IF MFD STARTS ON THIS UNIT
POPJ P, ;IT DOESN'T
IMUL T2,STRBPU##(P2) ;T2=1ST LOGICAL BLOCK ON THIS UNIT
SUB T2,HOMMFD##(P1) ;MINUS BLOCK FOR MFD RIB
MOVNS T2 ;T2=BLOCK ON UNIT FOR MFD RIB
PUSHJ P,OMNRED ;READ MFD RIB
STOPCD LNKSTR,DEBUG,ERM,DIEUNI##, ;++ERROR READING MFD
HRRZ T1,P1 ;ADDR OF 1ST WORD OF MFD RIB
ADD T1,(P1) ;PTR TO 1ST RETRIEVAL PTR
SKIPE 2(T1) ;SKIP IF ONLY 1 PTR
POPJ P, ;DONE
MOVEI T1,STP1PT## ;ONLY 1 PTR BIT
IORM T1,STR1PT##(P2) ;SAVE
POPJ P, ;RETURN
SUBTTL STRUCTURE ROUTINES -- CRESAB - CREATE SAB AND SPT TABLE
CRESAB: SKIPE .UONCE## ;TWICE?
JRST CRESA1
IFN FTXMON,<
SKIPE UNISAB##(U) ;ALREADY SETUP A SAB RING?
POPJ P,
>
SE1ENT ;ENTER SECTION ONE
CRESA1: LDB P1,UNYSIC## ;GET # SATS TO BE IN CORE FOR THIS UNIT
JUMPLE P1,CPOPJ## ;DON'T TRY TO SETUP ANYTHING IF 0 OR -VE
S0PSHJ CMCWPS ;COMPUTE # CLUSTERS & WORDS PER SAT
LDB P3,UNYWPS## ;GET # WORDS PER SAT
MOVN P2,P3 ;MAKE -VE
HRLZS P2 ;SETUP LH. OF PTR. FOR SABSCN
ADDI P3,SABBIT## ;COMPUTE # WORDS FOR EACH SAB BLOCK
MOVEI P4,DIFSAB##(U) ;SETUP ADR. OF LINK TO 1ST. SAB BLOCK IN RING
CRESA2: MOVE T2,P3 ;SETUP ARG. FOR CORE GRABBER
PUSHJ P,CORGRS ;GET CORE
MOVEM T1,SABRNG##(P4) ;STORE LINK FROM PREVIOUS TO CURRENT SAB
MOVE P4,T1 ;PREVIOUS SAB _ CURRENT SAB
HRRI P2,SABBIT## ;FILL IN RH. OF AOBJN PTR.
MOVEM P2,SABSCN##(P4) ;STORE IT IN THIS SAB BLOCK
SKIPN UNILOG##(U) ;THIS UNIT PART OF A STRUCTURE?
SETZM SABFIR##(P4) ;NO
SOJG P1,CRESA2 ;LOOP IF ANY MORE SATS
MOVE T1,UNISAB##(U) ;GET ADR. OF 1ST. SAB BLOCK IN RING
MOVEM T1,SABRNG##(P4) ;MAKE LAST POINT TO FIRST
CRESPT: LDB T2,UNYSPU## ;GET # SATS ON THIS UNIT
ADDI T2,SPTFIR##+1 ;COMPUTE LENGTH OF SPT TABLE
MOVEI P3,(T2) ;SAVE IN P3
PUSHJ P,CORGRS ;GET CORE
MOVEM T1,UNISPT##(U) ;STORE ADR. OF SPT TABLE IN UNIT DATA BLOCK
ADDI T1,-1(P3) ;COMPUTE ADR. OF LAST WORD IN SPT TABLE
SETZM (T1) ;ZERO IT TO INDICATE END OF TABLE
POPJ P, ;RETURN
SUBTTL STRUCTURE ROUTINES -- CHKSTR - MAKE SURE STRS HAVE ALL NEEDED UNITS
CHKSTR: HLRZ P2,SYSSTR## ;GET ADDR OF FIRST STR DATA BLOCK IN SYSTEM
JUMPE P2,CPOPJ## ;THERE ARE NONE - NON SKIP RETURN
CHKST1: HRRZ T1,STRUNM##(P2)
JUMPN T1,CHKST3 ;WAS THE LAST UNIT IN THIS STR FOUND?
PUSH P,STRREF##(P2) ;SAVE STATE OF 'NEEDS REFRESHING' FLAG
MOVEI T1,[ASCIZ .
?Last unit wasn't found in structure .]
PUSHJ P,MSGSTR ;NO - PRINT MSG. FOLLOWED BY SIXBIT STR NAME
HLRZ T1,STRUNI##(P2) ;GET ADR. OF 1ST. UNIT DATA BLOCK IN STR
CHKST2: MOVE U,T1
HLRZ T1,UNISTR##(U) ;GET ADR. OF NEXT UNIT DATA BLOCK IN STR
JUMPN T1,CHKST2 ;REPEAT UNTIL LAST ONE FOUND
LDB T1,UNYLUN## ;GET ITS LOG. UNIT # IN STR
ADDI T1,1 ;MAKE INTO # UNITS IN STR
HRRM T1,STRUNM##(P2) ; & STORE IT
POP P,T1 ;RESTORE STATE OF 'NEEDS REFRESHING' FLAG
HLLM T1,STRREF##(P2) ;(RH OF STRREF IS STRUNM, SET ABOVE)
CHKST3: HLRZ U,STRUNI##(P2) ;GET ADR. OF 1ST. UNIT DATA BLOCK IN THIS STR
SETOM P4 ;SETUP FAKE PREVIOUS LOG. UNIT #
CAIA
CHKST4: HLLM T2,UNIGRP##(U) ;STORE # CLUSTERS TRIED ON O/P IN EACH UNIT
LDB P1,UNYLUN## ;GET LOG. UNIT # OF THIS UNIT WITHIN STR
EXCH P1,P4 ;PUT THIS & PREVIOUS LOG. UNITS IN PROPER ACS
CAME P4,P1 ;ARE LOG. UNIT #'S THE SAME?
JRST CHKST5 ;NO - CHECK FOR MISSING UNITS
MOVEI T3,[ASCIZ .
?Two logical unit .]
MOVEI T1,[ASCIZ .'s found in structure .]
PUSHJ P,MSGLNG ;PRINT MSGS FOLLOWED BY SIXBIT STR NAME
JRST CHKST6 ;CHECK NEXT PAIR OF UNITS
CHKST5: CAIN P4,1(P1) ;IS THIS UNIT 1 GREATER THAN LAST ONE?
JRST CHKST6 ;YES - CHECK NEXT PAIR OF UNITS
ADDI P1,1 ;INCREMENT TO GET CORRECT MISSING LOG. UNIT #
MOVEI T3,[ASCIZ .
?Logical unit .]
MOVEI T1,[ASCIZ . missing from structure .]
PUSHJ P,MSGLNG
JRST CHKST5 ;REPEAT UNTIL ALL MISSING ARE TYPED OUT
CHKST6: MOVE T1,UNIBPU##(U) ;GET # BLOCKS ON THIS UNIT
ADDM T1,STRSIZ##(P2) ;ADD TO TOTAL # IN THIS STR
MOVE T1,STRBPU##(P2) ;GET # OF BLOCKS ON LARGEST UNIT IN STR
ADDM T1,STRHGH##(P2) ;ADD TO TOTAL LOGICAL # IN THIS STR
HLL T2,UNIGRP##(U) ;GET # OF CONSECUTIVE CLUSTERS TRIED FOR ON O/P
HLRZ U,UNISTR##(U) ;GET ADR. OF NEXT UNIT DATA BLOCK IN STR
JUMPN U,CHKST4 ;JUMP IF MORE TO DO
SOS STRHGH##(P2) ;MAKE STRHGH BE HIGHEST LOG. BLOCK # IN STR
HLRZ P2,STRSYS##(P2) ;GET NEXT STR DATA BLOCK ADR. WITHIN SYSTEM
JUMPN P2,CHKST1 ;REPEAT IF THERE IS ONE
POPJ P, ;ELSE RETURN
SUBTTL STRUCTURE ROUTINES -- DSKSSL - BUILD SSL FROM DISK DATA BASE
DSKSSL: PUSHJ P,SAVE4## ;SAVE P1-P4
SETOM P1 ;INITIALIZE HIGHEST STR FOUND IN SSL
MOVE P4,[HRRZ P1,P3] ;INSTRUCTION TO EXECTUTE
PUSHJ P,FNDSRC ;FIND HIGHEST STR IN SSL
JUMPGE P1,DSKSS1 ;GO IF FOUND AT LEAST ONE
MOVEI T1,[ASCIZ/
?No structures in system search list/]
PJRST SVMOTS ;GIVE MESSAGE AND RETURN
DSKSS1: MOVNI P4,1(P1) ;BUILD -VE COUNT OF STRS TO SEARCH
HRLZS P4 ;MAKE IT AN AOBJN POINTER
DSKSS2: MOVEI P2,0 ;P2 COUNTS NUMBER OF MATCHES
HLRZ P3,SYSSTR## ;GET ADDRESS OF FIRST STR DATA BLOCK
DSKSS3: MOVE T1,STRSRC##(P3) ;GET POSITION IN SSL OF THIS STR
CAIN T1,(P4) ;MATCH WITH CURRENT ONE?
AOS P2 ;YES, COUNT MATCH
HLRZ P3,STRSYS##(P3) ;STEP TO NEXT STR
JUMPN P3,DSKSS3 ;LOOP FOR ALL
SOJE P2,DSKSS5 ;GO IF FOUND EXACTLY ONE
HRRZ P1,P4 ;ERROR ROUTINES WANT NUMBER IN P1
JUMPL P2,DSKSS4 ;GO IF FOUND NONE
MOVEI T1,[ASCIZ/
?Two logical structure /]
PUSHJ P,TYPMSN ;TYPE MESSAGE AND NUMBER
MOVEI T1,[ASCIZ/ 's found in system search list/]
PUSHJ P,SVMOTS ;FINISH MESSAGE
JRST DSKSS5 ;JOIN COMMON CODE
DSKSS4: MOVEI T1,[ASCIZ/
%Logical structure /]
PUSHJ P,TYPMSN ;TYPE MESSAGE AND NUMBER
MOVEI T1,[ASCIZ/ missing from system search list/]
PUSHJ P,SVMOTE ;FINISH MESSAGE
DSKSS5: AOBJN P4,DSKSS2 ;LOOP FOR ALL POSITIONS IN SSL
POPJ P, ;RETURN
SUBTTL STRUCTURE ROUTINES -- DSKSDL - BUILD SDL FROM DISK DATA BASE
DSKSDL: PUSHJ P,SAVE4## ;SAVE P1-P4
SETOM P1 ;INITIALIZE HIGHEST STR FOUND IN SDL
MOVE P4,[HRRZ P1,P3] ;INSTRUCTION TO EXECTUTE
PUSHJ P,FNDSDL ;FIND HIGHEST STR IN SDL
JUMPGE P1,DSKSD1 ;GO IF FOUND AT LEAST ONE
MOVEI T1,[ASCIZ/
%No structures in system dump list/]
PJRST SVMOTE ;GIVE MESSAGE AND RETURN
DSKSD1: MOVNI P4,1(P1) ;BUILD -VE COUNT OF STRS TO SEARCH
HRLZS P4 ;MAKE IT AN AOBJN POINTER
DSKSD2: MOVEI P2,0 ;P2 COUNTS NUMBER OF MATCHES
HLRZ P3,SYSSTR## ;GET ADDRESS OF FIRST STR DATA BLOCK
DSKSD3: MOVE T1,STRSDL##(P3) ;GET POSITION IN SDL OF THIS STR
CAIN T1,(P4) ;MATCH WITH CURRENT ONE?
AOS P2 ;YES, COUNT MATCH
HLRZ P3,STRSYS##(P3) ;STEP TO NEXT STR
JUMPN P3,DSKSD3 ;LOOP FOR ALL
SOJE P2,DSKSD5 ;GO IF FOUND EXACTLY ONE
HRRZ P1,P4 ;ERROR ROUTINES WANT NUMBER IN P1
JUMPL P2,DSKSD4 ;GO IF FOUND NONE
MOVEI T1,[ASCIZ/
?Two logical structure /]
PUSHJ P,TYPMSN ;TYPE MESSAGE AND NUMBER
MOVEI T1,[ASCIZ/ 's found in system dump list/]
PUSHJ P,SVMOTS ;FINISH MESSAGE
JRST DSKSD5 ;JOIN COMMON CODE
DSKSD4: SKIPGE DEBUGF## ;SOMEONE DEBUGGING?
JRST DSKSD5 ;YES, THEY PROBABLY DON'T CARE
MOVEI T1,[ASCIZ/
%Logical structure /]
PUSHJ P,TYPMSN ;TYPE MESSAGE AND NUMBER
MOVEI T1,[ASCIZ/ missing from system dump list/]
PUSHJ P,SVMOTE ;FINISH MESSAGE
DSKSD5: AOBJN P4,DSKSD2 ;LOOP FOR ALL POSITIONS IN SDL
POPJ P, ;RETURN
SUBTTL SWAPPING UNIT ROUTINES -- CRESST - CREATE SWAPPING SATS
CRESST: SE1ENT ;ENTER SECTION ONE
IFN FTXMON,< ;REALLY WANT TO ALLOCATE THIS TWICE
;IF FTKLP=0
SKIPL UNIPTR##(U) ;ALREADY HAVE?
>
SKIPGE UNISUN##(U) ;IS UNIT IN ASL?
POPJ P, ;NO--DONE
LDB T2,UNYK4S## ;GET # K FOR SWAPPING ON THIS UNIT
JUMPE T2,CPOPJ## ;RETURN IF NO SWAPPING SPACE
LSH T2,K2PLSH## ;DOUBLE SIZE IF SWAPPING PAGES
MOVEI T2,^D36(T2) ;INCLUDE EXTRA WORD
IDIVI T2,^D36
MOVN T1,T2 ;MAKE LENGTH -VE FOR AOBJN WORD
HRLM T1,UNIPTR##(U) ;STORE IT IN UNIT DATA BLOCK
LSH T2,1 ;DOUBLE ALLOCATION FOR COPY FOR 143 RESTARTS
PUSHJ P,CORGRS ;GET CORE
HRRM T1,UNIPTR##(U) ;STORE IT IN UNIT DATA BLOCK FOR AOBJN WORD
IFN FTXMON,<
MOVEI T1,(MS.SAT) ;DATA SECTION 1
DPB T1,UNYSNS## ;STORE THAT FOR SWPSER
> ;END IFN FTXMON
POPJ P, ;RETURN
SUBTTL SWAPPING UNIT ROUTINES -- LNKSWP - LINK UNITS IN THE ASL
LNKSWP: SKIPL P4,UNISUN##(U) ;IS UNIT IN ACTIVE SWAPPING LIST?
CAMLE P4,MAXSWP## ;ABOVE HIGHEST LEGAL UNIT?
POPJ P, ;CAN'T LINK THIS UNIT
MOVEI T4,SWPUNI## ;GET ADDR OF LINK TO FIRST UDB IN ASL
JRST LNKSW2
LNKSW1: MOVE T3,UNISUN##(T1) ;GET LOG. UNIT # OF NEXT UNIT IN ASL
CAMLE T3,P4 ;IS IT GREATER THAN UNIT JUST READ?
JRST LNKSW3 ;YES - INSERT UNIT DATA BLOCK HERE
MOVEI T4,UNISWP##(T1) ;GET ADR. OF LINK TO NEXT UNIT
LNKSW2: HLRZ T1,(T4) ;GET ADR. OF NEXT UNIT DATA BLOCK IN ASL
JUMPN T1,LNKSW1 ;MORE DATA BLOCKS?
LNKSW3: HRLM T1,UNISWP##(U) ;SAVE LINK TO NEXT UNIT DATA BLOCK
HRLM U,(T4) ;SAVE THIS UNIT ADDR IN PREVIOUS UDB
MOVEM U,SWPTAB##(P4) ;PUT THIS UNIT DATA BLOCK ADR. IN ASL
SKIPN T2,SWPUN2## ;SLOW SWAPPING CLASS SET?
JRST LNKSW4 ;NO, CAUSE THIS TO BE IT
LDB T1,UNYCFS## ;GET CLASS FOR SWAPPING
SUBI T1,(T2) ;YES, THIS UNIT IN LOWER CLASS?
JUMPL T1,CPOPJ## ;IF SO IGNORE IT
JUMPN T1,LNKSW4 ;IF IN HIGER CLASS USE IT
HLRS T2 ;IF IN SAME CLASS
CAML P4,UNISUN##(T2) ;IF LOWER IN ASL USE IT
POPJ P, ;ELSE GIVE UP
LNKSW4: HRLM U,SWPUN2## ;SAVE UNIT
LDB T1,UNYCFS## ;GET CLASS FOR SWAPPING
HRRM T1,SWPUN2## ;SAVE CLASS
POPJ P, ;DONE
SUBTTL SWAPPING UNIT ROUTINES -- CHKASL - MAKE SURE ASL HAS ALL NEEDED UNITS
CHKASL: HLRZ U,SWPUNI## ;GET ADR. OF 1ST. UNIT DATA BLOCK IN ASL
JUMPN U,CHKAS1 ;ARE THERE ANY UNITS IN ASL?
MOVEI T1,[ASCIZ .
?No units in active swapping list.]
PUSHJ P,SVMOTS ;O/P MSG. & ADD CRLF & SET ERRHOM
POPJ P, ;CAN DO NO MORE
CHKAS1: MOVE T1,SWPUNI## ;FIRST UNIT IN ASL
TLNN T1,-1 ;IS THERE ONE?
HLRS SWPUNI## ;NO, ALL SWAPPING IS FAST
SETOM P4 ;SETUP FAKE PREVIOUS LOGICAL UNIT #
CHKAS2: MOVE P1,UNISUN##(U) ;GET LOG. UNIT # IN ASL OF THIS UNIT
EXCH P1,P4 ;PUT THIS & PREVIOUS LOG. UNITS IN PROPER ACS
CAME P4,P1 ;ARE LOG. UNIT #'S THE SAME
JRST CHKAS3 ;NO - SEE IF ANY LOG. UNITS MISSING FROM ASL
MOVEI T1,[ASCIZ .
?Two logical unit .]
PUSHJ P,TYPMSN ;TYPE MSG. FOLLOWED BY A DECIMAL #
MOVEI T1,[ASCIZ .'s found in active swapping list.]
PUSHJ P,SVMOTS ;O/P MSG. & ADD CRLF & SET ERRHOM
JRST CHKAS4 ;CHECK NEXT PAIR OF UNITS
CHKAS3: SKIPN ERROK
CAIN P4,1(P1) ;IS THIS UNIT 1 GREATER THAN PREVIOUS UNIT
JRST CHKAS4 ;YES - CHECK NEXT PAIR OF UNITS
ADDI P1,1 ;INCREMENT TO GET CORRECT MISSING LOG. UNIT #
MOVEI T1,[ASCIZ .
%Logical unit .]
PUSHJ P,TYPMSN ;TYPE MSG. FOLLOWED BY A DECIMAL #
MOVEI T1,[ASCIZ . missing from active swapping list.]
PUSHJ P,SVMOTE ;O/P MSG. & ADD CRLF & SET ERRHOM
JRST CHKAS3 ;REPEAT UNTIL ALL MISSING ARE TYPED OUT
CHKAS4: HLRZ U,UNISWP##(U) ;GET ADR. OF NEXT UNIT DATA BLOCK IN ASL
JUMPN U,CHKAS2 ;REPEAT IF ANY LEFT
POPJ P, ;DONE
SUBTTL SWAPPING UNIT ROUTINES -- DSKASL - BUILD ASL FROM THE DISK DATA BASE
DSKASL: HLRZ U,SYSUNI## ;GET ADDR OF FIRST UDB IN SYSTEM
DSKAS1: PUSHJ P,CRESST ;CREATE SWAPPING SATS
PUSHJ P,LNKSWP ;LINK SWAPPING UNIT INTO THE ASL
HLRZ U,UNISYS##(U) ;POINT TO NEXT UNIT
JUMPN U,DSKAS1 ;LOOP IF MORE TO DO
POPJ P, ;DONE
SUBTTL SUBROUTINES
WRPUNM: HRRZS OFFLOK ;TYPE MESSAGE
SKIPA T4,[[ASCIZ . is write protected.]]
OFLUNM: MOVEI T4,[ASCIZ . is off-line.]
MOVE P1,UNINAM##(U) ;GET SIXBIT UNIT NAME
MOVEI T1,[ASCIZ .
%.]
PUSHJ P,OFFDWN ;FOR SPECIAL CASE SETTING OF DOFLOK
PJRST NASTYP ;TYPE MSGS. & GET USER'S RESPONSE
;SUBROUTINE TO PRINT "CONTROLLER" FOLLOWED BY A "NAME"
; FOLLOWED BY A MESSAGE ASKING WHAT STATE OF THE KONTROLLER IS DESIRED
; THEN IT WAITS FOR OPERATOR TO TYPE AN OCTAL NUMBER TERMINATED BY CRLF
;CALL MOVE P1,SIXBIT KONTROLLER NAME
; MOVEI T3,MSG. ADR.
; PUSHJ P,MCKKON
; ERROR RETURN MSG. PRINTED BUT RESPONSE WASN'T AN OCTAL #
; OK RETURN " " T2 CONTAINS OCTAL # TYPED
MCKKON: MOVEI T1,[ASCIZ .
%Controller .]
PUSHJ P,OFFDWN ;SET DOFLOK IF APPROPRIATE
NASTYP: SKIPGE DOFLOK
SKIPL OFFLOK ;DON'T TYPE IF OFF-LINE IS OK
SKIPGE DEBUGF## ;SEE IF DEBUGGING
JRST NASTY1 ;YES--SKIP MESSAGE
JSP T2,SVOTAC ;SAVE P4,F,U & J
PUSH P,T3 ;SAVE 2ND. MSG ADR.
PUSH P,T4 ;SAVE 1ST. MSG. ADR.
PUSHJ P,ICONM## ;PUT MSG IN BUFFER
MOVE T2,P1 ;GET UNIT/KONTROLLER SIXBIT NAME
PUSHJ P,PRNAME## ;PUT IT IN BUFFER
POP P,T1 ;RESTORE 1ST. MSG. ADR.
PUSHJ P,CONMES## ;PUT MSG. IN BUFFER
PUSHJ P,CRLFOP ;ADD CRLF & O/P MSG.
POP P,T1 ;RESTORE 2ND. MSG ADR.
NASTY1: HRLS OFFLOK
MOVEI T2,2 ;PRESET DEFAULT
AOSG DOFLOK ;SEE IF NEED DEFAULT
JRST CPOPJ1## ;YES--RETURN
PUSHJ P,CONOUT ;O/P MSG. & ADD CRLF
PUSHJ P,GETLIN## ;GET USER'S RESPONSE
POPJ P, ;CR TYPED
PUSHJ P,ALTM ;ALTMODE TYPED? IF SO, NEVER RETURN.
PUSHJ P,OCTIN## ;READ IT AS AN OCTAL NO.
POPJ P, ;NOTHING BUT A BREAK CH.
POPJ P, ;ILLEGAL CH.
JRST CPOPJ1## ;OK RETURN WITH NO. IN T2
;*** DISPATCH TABLES FOR UNIT ON-LINE & WRITE PROTECT TESTING ***
ONCHWP: XWD ZERO5,DRMHWP
XWD ZERO5,FHDHWP
XWD ZERO5,DPCHWP
XWD ZERO5,MDFHWP
XWD ZERO5,FSDHWP
XWD ZERO5,RPXHWP
XWD ZERO5,RNXHWP
XWD ZERO5,RAXHWP
DRMHWP: STOPCD .,STOP,IDC, ;++IMPOSSIBLE DRUM CONDITION
DPCHWP: PUSHJ P,DPXSTS## ;GET STATUS FOR THIS UNIT IN T2
TLNE T2,2 ;WRITE PROTECT ON?
AOS (P) ;YES -SKIP
POPJ P, ;RETURN
FHDHWP:
MDFHWP:
RNXHWP:
IFE FTCIDSK,<
RAXHWP:
>; END IFE FTCIDSK
FSDHWP: POPJ P,
RPXHWP:
IFN FTKL10,<
PUSHJ P,RPXSTW## ;MASSBUS ENABLE IF AN RH20
>
IFE FTKS10,<
MOVSI T2,10000 ;READ STATUS REGISTER
PUSHJ P,DODTI4##
TRNE T2,4000
AOS (P) ;WRITE LOCKED
POPJ P, ;RETURN
>
IFN FTKS10,<
MOVE W,RHXBAS##(J) ;SET RH11 BASE ADDRESS
LDB T2,UNYPUN## ;GET UNIT NUMBER FROM UDB
WRIO T2,10(W) ;SELECT UNIT
RDIO T2,12(W) ;GET STATUS REGISTER
TRNE T2,4000 ;WRITE PROTECTED?
AOS (P) ;YES-SKIP RETURN
POPJ P, ;RETURN
>
;SUBROUTINE TO GET CORE FOR A UNIT'S "HOME" BLOCK
; & THEN TRY TO READ BOTH BLOCKS SUCCESSFULLY
; ENTER WITH F = FILE DATA BLOCK ADR. U = UNIT DATA BLOCK ADR.
GTHOM:: MOVSI P2,(SIXBIT .HOM.)
MOVE P3,[EXP CODHOM##] ;CODE WORD FOR "HOME" BLOCKS
MOVE P4,UNIHOM##(U) ;GET "HOME" BLOCK NUMBERS - XWD 1ST. BLK,2ND. BLK
PUSHJ P,REDRUN
JRST GTHOM1 ;BOTH BAD
MOVE T1,HOMOKC##(P1)
SKIPN HOMVSY##(P1)
MOVEM T1,HOMK4C##(P1)
JRST CPOPJ1##
GTHOM1: SETZM UNILOG##(U) ;IN CASE SECOND TIME THROUGH
IFN FTDUAL,<
SKIPE T1,UNI2ND##(U)
SETZM UNILOG##(T1)
>
POPJ P,
;SUBROUTINE TO MOVE PARAMETERS FROM "HOME" BLOCK TO UNIT DATA BLOCK
MOVUNI: MOVE T1,HOMLOG##(P1)
MOVEM T1,UNILOG##(U)
MOVE T1,HOMHID##(P1)
MOVEM T1,UNIHID##(U)
MOVE T1,HOMSID##(P1)
MOVEM T1,UNISID##(U)
MOVE T1,HOMLUN##(P1)
DPB T1,UNYLUN##
SKIPLE T1,HOMHOM##(P1)
MOVEM T1,UNIHOM##(U)
MOVE T1,HOMGRP##(P1)
HRLM T1,UNIGRP##(U)
MOVE T1,HOMBPC##(P1)
DPB T1,UNYBPC##
MOVE T1,HOMSUN##(P1)
MOVEM T1,UNISUN##(U)
MOVE T1,HOMSLB##(P1)
MOVEM T1,UNISLB##(U)
MOVE T1,HOMK4S##(P1)
DPB T1,UNYK4S##
MOVE T1,HOMCFS##(P1)
DPB T1,UNYCFS##
MOVE T1,HOMSIC##(P1)
DPB T1,UNYSIC##
MOVE T1,HOMSPU##(P1)
DPB T1,UNYSPU##
MOVSI T2,UNPMSB##
ANDCAM T2,UNIDES##(U)
CAIE T1,1
IORM T2,UNIDES##(U)
POPJ P,
;SUBROUTINE TO FIND AN STR DATA BLOCK GIVEN A SIXBIT NAME
; ENTER WITH T1 = SIXBIT STR NAME TO BE SEARCHED FOR
; IF NO STR DATA BLOCK FOUND - RETURN WITH:
; P2 = 0. P3 = LAST STR DATA BLOCK ADR.(DIFSTR IF NO STRS) P4 = FIRST FREE SYSTEM STR #
; IF FOUND - SKIP RETURN WITH:
; P2 = ADR. OF THE STR DATA BLOCK. P4= SYSTEM STR # OF THIS STR
; P3 = ADR. OF PREVIOUS STR DATA BLOCK (OR DIFSTR IF THE ONLY STR)
; IN BOTH CASES THE LEADING 4 SIXBIT CHS. IN T1 ARE RESPECTED
FNSTR:: TRZ T1,7777 ;STR NAMES CAN BE NO LONGER THAN 4 CHS.
MOVEI P4,.FSMIN ;CLEAR SYSTEM STR #
MOVEI P2,DIFSTR## ;GET (SYSSTR-STRSYS) AS 1ST. STR ADR.
FNSTR1: MOVE P3,P2 ;SETUP P3 AS PREDECESSOR STR DATA BLOCK ADR.
HLRZ P2,STRSYS##(P2) ;GET NEXT STR DATA BLOCK ADR.
JUMPE P2,CPOPJ## ;NON SKIP RETURN IF NO STR FOUND
CAMN T1,STRNAM##(P2) ;A MATCH BETWEEN NAMES?
JRST CPOPJ1## ;YES - SKIP RETURN
AOJA P4,FNSTR1 ;INCREMENT SYSTEM STR # & REPEAT
;SUBROUTINE TO CREATE AN STR DATA BLOCK IN UPPER CORE & ZERO IT OUT
; ENTER WITH P3=ADR. OF LAST STR DATA BLOCK. P4=SYSTEM STR # FOR THIS STR
; P2 IS RETURNED WITH ADR. OF THIS STR DATA BLOCK
GETSTR: CAILE P4,.FSMAX ;SEE IF THE LIMIT OF STR'S CREATED HAS BEEN EXCEEDED
POPJ P, ;NON SKIP RETURN IF LIMIT EXCEEDED
MOVEI T2,STRLEN## ;SIZE OF STR DATA BLOCK
PUSHJ P,CORGRB ;GET CORE FOR STR DATA BLOCK
HRRZ P2,T1 ;GET ADR. OF NEW STR INTO A KOSHER AC
HRLI T1,STRDB## ;PUT ADR. OF PROTOTYPE STR DATA BLOCK IN RH
BLT T1,-1(T2) ;ZERO IT (T2 SET TO LAST LOC. +1 OF STR BY CORGRB)
HRLM P2,STRSYS##(P3) ;PUT ADR. OF NEW STR IN (OLD) LAST STR
MOVEM P2,TABSTR##(P4) ;STORE ADR. OF STR IN TABLE BY ITS LOG. #
MOVEM P4,STRSYS##(P2) ;PUT SYSTEM STR # & 0 LINK IN THIS STR
JRST CPOPJ1## ;SKIP RETURN IF STR CREATED OK
;SUBROUTINE TO GRAB CORE FOR THE ONCE ONLY CODE
; ENTER WITH T2 = # WORDS TO GRAB IN UPPER CORE
; RETURN WITH T1 = ADR. OF THE GRABBED CORE
; & T2 = ADR. OF 1ST. FREE WORD
IFE FTXMON,<CORGRS:>
CORGRB::MOVE T1,HICORE##
ADDB T2,HICORE##
SKIPE .UONCE## ;SKIP IF EXEC MODE
CAMG T2,.JBREL##
JRST CORGB1 ;GO CLEAR IT OUT
CORE T2,
JFCL
MOVE T2,HICORE##
CORGB1: PUSH P,T3 ;SAVE T3
SETZM (T1) ;CLEAR FIRST WORD
HRLZ T3,T1 ;GET START ADDR
HRRI T3,1(T1) ;MAKE A BLT POINTER
BLT T3,-1(T2) ;CLEAR CORE
POP P,T3 ;RESTORE T3
POPJ P, ;AND RETURN
IFN FTXMON,<
;SUBROUTINE TO ALLOCATE NON-ZERO SECTION CORE
;CALL WITH:
; T1 = STARTING VIRTUAL ADDRESS
; T2 = HIGHEST VIRTUAL ADDRESS REQUIRED
;RETURNS WITH:
; T1 = ADDRESS OF CORE ALLOCATED
; T2 = HIGHEST ADDRESS ALLOCATED + 1
;CALL NZSCGT TO ALLOCATE DATA SPACE (WRITABLE), NZSCGC TO ALLOCATE
;CODE SPACE (WRITE LOCKED AND CACHED).
NZSCGC::SKIPA T3,[<PM.DCD>B2+PM.WRT+PM.PUB+PM.KPM+PM.CSH] ;GET CODE MAP BITS
NZSCGT::MOVSI T3,(<PM.DCD>B2+PM.WRT+PM.PUB+PM.KPM+PM.SWB) ;GET DATA MAP BITS
CONO PI,PI.OFF ;GUARD AGAINST RACES (KLIPA)
PUSH P,T1
MOVE T1,T2
TRZE T1,PG.BDY## ;ROUND DOWN TO PAGE BOUNDARY
ADDI T1,PAGSIZ## ;HIGHEST ADDRESS ALLOCATED + 1
PUSH P,T1 ;SAVE THAT
SUBI T1,1 ;HIGHEST ALLOCATED ADDRESS
XOR T1,T2 ;XOR SECTION NUMBERS TOGETHER
TLNE T1,-1 ;DON'T KNOW HOW TO ALLOCATE ACROSS A SECTION BDY
STOPCD .,STOP,CSB, ;++CROSSES SECTION BOUNDARY
SUB T2,-1(P) ;NUMBER OF WORDS REQUIRED
ADDI T2,PG.BDY## ;ROUND UP
LSH T2,W2PLSH## ;NUMBER OF PAGES
PUSH P,T2 ;SAVE NUMBER OF PAGES REQUIRED
PUSH P,P1 ;IT IS A PRESERVED AC AFTER ALL
HRRZ P1,-3(P) ;ADDRESS WITHIN THE SECTION
ADDI P1,PG.BDY## ;ROUND UP
LSH P1,W2PLSH## ;PAGE NUMBER WITHIN THE SECTION
LDB T1,[POINT 5,-3(P),17] ;SECTION NUMBER TO ALLOCATE FROM
MOVE T2,.CPEPT## ;ADDRESS OF THIS CPU'S EXEC PROCESS TABLE
ADD T2,T1 ;ADDRESS OF SECTION POINTER
SKIPN T2,SECTAB(T2) ;ENTRY FOR THIS SECTION'S MAP
STOPCD .,STOP,NSA, ;++NO SECTION ALLOCATED
MOVE T1,.CPMAP## ;ADDRESS OF THE MAP
MOVEM T2,.EUPMP/PAGSIZ##(T1) ;MAPS THE MAP (ONCMAP CLEARS AM)
PUSH P,MONVFF## ;NOT REALLY ALLOCATING SECTION ZERO ADDRESS SPACE
ADD P1,-2(P) ;GET FIRST PAGE FOLLOWING OUR RANGE
SUBI P1,1 ;START AT LAST PAGE IN OUR RANGE SO PAGES ARE
; PHYSICALLY CONTIGUOUS WITHIN OUR RANGE
PUSH P,T3 ;SAVE PAGE MAP BITS REQUIRED
NZSCG1: MOVEI T1,.ECKSM ;PRETEND THAT WE ARE ALLOCATING THIS VIRTUAL ADDRESS
MOVEM T1,MONVFF## ;FOR ONCMAP
MOVEI T1,PAGSIZ## ;ONLY ALLOCATE 1 PAGE AT A TIME
MOVE T2,(P) ;GET PAGE MAP BITS REQUIRED
PUSHJ P,ONCMAP## ;GET A PAGE OF PHYSICAL MEMORY
MOVE T1,.CPMAP## ;ADDRESS OF MAP ONCMAP STORED IN
MOVE T1,.ECKSM/PAGSIZ##(T1) ;GET POINTER
MOVEM T1,.EUPMP(P1) ;STORE IT IN MAP FOR THIS SECTION
SOSLE -3(P) ;ALLOCATED ALL PAGES REQUESTED?
SOJA P1,NZSCG1 ;NO, LOOP FOR MORE
POP P,(P) ;POP OFF JUNK
POP P,MONVFF## ;AND SECTION 0 ALLOCATION VARIABLE
POP P,P1 ;RESTORE HONORABLE AC
POP P,(P) ;POP OFF JUNK
POP P,T2 ;RESTORE ACS (CAN'T USE TTPOPJ
POP P,T1 ; AS IT'S NOT MAPPED ALWAYS)
CONO PI,PI.ON ;NOW SAVE TO ALLOW INTERRUPTS (KLIPA)
POPJ P, ;AND RETURN
;SUBROUTINE TO GRAB CORE FROM THE FIRST MONITOR DATA SECTION FOR THE ONCE ONLY CODE
; ENTER WITH T2 = # WORDS TO GRAB IN UPPER CORE
; RETURN WITH T1 = ADR. OF THE GRABBED CORE
; & T2 = ADR. OF 1ST. FREE WORD
CORGRS::SKIPE .UONCE##
JRST CORGRB ;NO SECTION 2 CORE IF IN USER MODE
MOVE T1,FFMD1##
ADDB T2,FFMD1##
CAMGE T2,RELMD1##
JRST CORGS1 ;GO ZERO CORE
PUSH P,T2
PUSHJ P,NZSCGT
MOVEM T2,RELMD1##
POP P,T2 ;RESTORE T2
CORGS1: PUSHJ P,SAVE3## ;SAVE XBLT ACS
MOVE P1,T2 ;COMPUTE WORD
SUB P1,T1 ; COUNT FOR BLT
AOS P3,T1 ;SET UP
SOS P2,T1 ; BLT ACS
SETZM (T1) ;ZERO FIRST WORD
EXTEND P1,[XBLT] ;ZERO CORE
POPJ P, ;RETURN
>
;SUBROUTINE TO MOVE PARAMETERS FROM "HOME" BLOCK TO STR DATA BLOCK
MOVSTR: MOVE T1,HOMSNM##(P1)
MOVEM T1,STRNAM##(P2)
MOVE T1,HOMOPP##(P1)
MOVEM T1,STRPPN##(P2)
MOVE T1,HOMK4C##(P1)
HRRM T1,STRK4C##(P2)
MOVE T1,HOMSAT##(P1)
HRLS T1
MOVEM T1,STRSAT##(P2)
MOVE T1,UNIBPU##(U)
CAMLE T1,STRBPU##(P2)
MOVEM T1,STRBPU##(P2)
MOVE T1,HOMGAR##(P1)
MOVEM T1,STRGAR##(P2)
MOVE T1,HOMOVR##(P1)
MOVEM T1,STROVR##(P2)
MOVE T1,HOMPT1##(P1)
MOVEM T1,STRPT1##(P2)
MOVE T1,HOMBSC##(P1)
HRLM T1,STRBSC##(P2)
MOVE T1,HOMSCU##(P1)
HRRM T1,STRSCU##(P2)
MOVE T1,HOMSRC##(P1)
MOVEM T1,STRSRC##(P2)
SKIPL T1,HOMSDL##(P1)
SUBI T1,1
MOVEM T1,STRSDL##(P2)
MOVE T1,HOMCRS##(P1)
MOVEM T1,STRCRS##(P2)
HLLZ T1,HOMCNP##(P1)
TLZ T1,77
HLLM T1,STYCNP##(P2)
HLLZ T1,HOMCKP##(P1)
TLZ T1,77
HLLM T1,STYCKP##(P2)
HLLZ T1,HOMCLP##(P1)
TLZ T1,770077
HLLM T1,STYCLP##(P2)
MOVE T1,HOMREF##(P1)
HLLM T1,STRREF##(P2)
MOVE T1,STRUN1##(P2)
MOVE T2,HOMUN1##(P1)
DPB T2,UN1PTR##
MOVEM T1,STRUN1##(P2)
IFN FTPSTR,<
LDB T1,HOYPVS##
DPB T1,STYPVS##
>
IFN FTSETS,<
LDB T1,HOYSET## ;GET SET NUMBER
DPB T1,STYSET## ;STORE IN SDB
>; END IFN FTSETS
POPJ P,
MSGLNG: JSP T2,REFSAV ;SAVE P4,T3,F,U & J AND INDICATE STR NEEDS REFRESHING
PUSH P,T1 ;SAVE 2ND. MSG ADR. IN T1
MOVE T1,T3 ;GET ADR OF 1ST. MSG
PUSHJ P,TYPDEC ;PUT MSG. & UNIT # IN BUFFER
PUSHJ P,OPOUT## ;O/P BUFFER
POP P,T1 ;RESTORE 2ND. MSG ADR.
CAIA
MSGSTR: JSP T2,REFSAV ;SAVE P4,T3,F,U & J AND INDICATE STR NEEDS REFRESHING
PUSHJ P,ICONM## ;PUT MSG. IN BUFFER
SETOM ERRHOM ;INDICATE ERROR IN "REDHOM"
SETOM SERIUS ;SERIOUS ERROR - CAN'T START SYSTEM
MOVE T2,STRNAM##(P2) ;GET SIXBIT STR NAME
PJRST NAMFLO ;PUT IT IN THE BUFFER FOLLOWED BY CRLF & START O/P
;SUBROUTINE TO ASK IF OPERATOR WANTS TO LIST # OF BAD REGIONS
TYPBAT: SETOM LSTBAT ;SET FLAG TO LIST # BAT REGIONS
MOVEI T1,[ASCIZ .
Type physical unit name to list number of bad regions
(<CR> if none, ALL if all).]
PUSHJ P,CONOUT ;ADD CRLF AND TYPE MSG.
PUSHJ P,GETUNI ;GET USER'S RESPONSE
POPJ P, ;JUST TYPED CR - EXIT
PJUMPE U,REDBT1 ;WAS "ALL" TYPED (YES-READ ALL UNITS)?
PUSHJ P,CHKBAT ;NO, JUST READ ONE UNIT
JFCL ;IGNORE ERROR RETURN
JRST TYPBAT ;ASK QUESTION AGAIN
;SUBROUTINE TO READ & VERIFY ALL "BAT" BLOCKS IN THE SYSTEM
;AND SET UP SWAPPING SAT TABLES. LSTBAT IS FLAG TO LIST # BAD REGIONS OR NOT.
REDBAT: SETZM LSTBAT ;CLEAR FLAG SO DO NOT LIST # BAD REGIONS
REDBT1: HLRZ U,SYSUNI## ;GET ADR. OF 1ST. UNIT DATA BLOCK IN THE SYSTEM
MOVSI P4,UNPOFL##
CHKBT1: TDNE P4,UNIDES##(U) ;UNIT OFF-LINE?
JRST CHKBT2 ;YES, GO READ NEXT BAT BLOCK
PUSHJ P,CHKBAT ;NO - GO CHECK "BAT" BLOCKS FOR THIS UNIT
JFCL ;IGNORE ERRORS
SKIPN BATMAN ;IN MANDATORY ONCE-ONLY?
JRST CHKBT2 ;NO, NO POIN SETTING UP SWAPPING SAT IF OPTIONAL
IFN FTXMON,<
SE1JRS ;SWAPPING SATS ARE IN DATA SECTION 1
>
HRRZ T3,P1 ;LOC OF BAT BLOCK
LDB T1,BAYNBR## ;NO OF REGION FOUND BY MAPPER
ADD T1,BAFCNT##(T3) ;+ NO FOUND BY MONITOR
HLRE T3,BAFFIR##(T3) ;- TOTAL NO OF SLOTS
ASH T3,-1 ;2 WORDS PER ENTRY
ADD T3,T1 ;+ NO OF ENTRIES LEFT
MOVNS T3
DPB T3,UNYBCT## ;SAVE IN UDB
MOVE T2,UNIPTR##(U) ;YES, T2=AOBJN PTR TO SWAPPING SAT FOR THIS UNIT
SKIPGE UNISUN##(U) ;IN ACTIVE SWAPPING LIST?
JRST CHKBT2 ;NO, NO SWAPPING SAT
HLRE T1,T2 ;T1=-LENGTH OF SWAPPING SAT
SUB T2,T1 ;T2=ADDR OF SECOND COPY (-T1=+LENGTH)
MOVE T1,T2 ;T1=PTR TO SECOND COPY
LDB T3,UNYK4S## ;T3=K FOR SWAPPING ON UNIT
LSH T3,K2PLSH## ;DOUBLE SIZE IF SWAPPING PAGES
ADDI T3,1 ;+1 BECAUSE 0 WAS THROWN AWAY
IDIVI T3,^D36 ;T3=FULL WORDS
JUMPE T4,FULSST ;JUMP IF NO WASTED BITS
ADDI T2,(T3) ;T2=ADDR OF LAST WORD
MOVNI T3,-1(T4) ;T3=-BITS TO SET TO 0 +1
MOVSI T4,400000 ;SET SIGN BIT
ASH T4,(T3) ;SET BITS TO BE 0 TO 1
SSX T2,MS.SAT ;SECTION CONTAINING SWAPPING SATS
SETCAM T4,(T2) ;COMPLEMENT AND STORE
FULSST: AOBJP T1,NOSST ;JUMP IF 0 OR 1 WORD IN SWAPPING SAT
IFE FTXMON,<
SETZM -1(T1) ;CLEAR FIRST WORD OF SECOND COPY
HRLI T1,-1(T1) ;LH=ADDR OF FIRST WORD
MOVEI T3,(T1) ;1ST ADDR +1 = LAST ADDR? ONLY IF EXACTLY 2 WORDS
CAIGE T3,(T2) ;SKIP IF YES, NO MORE LOCATIONS TO CLEAR
BLT T1,-1(T2) ;CLEAR REST OF SECOND COPY
>
IFN FTXMON,<
HLL T1,T2 ;SECTION NUMBER
SETZM -1(T1) ;ZERO WORD 0
MOVE T3,T1 ;FIRST WORD TO ZERO
SUBM T2,T1 ;NUMBER OF WORDS TO ZERO
JUMPLE T1,NOSST ;JUMP IF THE SAT IS ONLY 2 WORDS LONG
MOVE T2,T3 ;ADDRESS OF THE 0
SUBI T2,1
EXTEND T1,[XBLT] ;ZERO THE REST
>
;FALL INTO NOSST
NOSST: MOVEI T1,-1(P1) ;T1=ADDR OF BAT BLOCK IN CORE -1
MOVE T2,[PUSHJ P,SETSST];T2=INSTRUCTION TO EX FOR BAD BLOCKS
PUSHJ P,SCNBAT## ;SCAN BAT BLOCK, CALL SETSST FOR BAD BLOCKS
HRRZ T1,UNIKON##(U) ;KONTROLLER FOR THIS UNIT
SKIPGE KONPOS##(T1) ;DOES IT POSITION?
JRST CHKBT2 ;NO--GO ON
PUSH P,P1 ;MAKE P1 AVAILABLE
TDZA P1,P1 ;ZERO IT AND HOP OVER NEXT INSTRUCTION
CHKCYL: PUSHJ P,SETSST ;MARK OUT PAGE IN SWAP SAT
CHKCY1: LDB T3,UNYBPY ;BLKS/CYL FOR UNIT
ADD P1,T3 ;COMPUTE NEXT LBN ON CYL BOUNDARY
CAMLE P1,UNIBPU##(U) ;PAST END OF UNIT?
JRST CHKCY2 ;YES--ALL DONE
MOVE T2,P1 ;COPY OF THIS LBN
SUB T2,UNISLB##(U) ;COMPUTE RELATIVE BLK NO. IN SWAP SPACE
IDIVI T2,SWBKPP## ;IS A SWAP PAGE SPLIT ACROSS CYL BOUNDARY?
JUMPE T3,CHKCY1 ;NO IF SWBKPP DIVIDES EVENLY
MOVE T1,P1 ;YES--THIS PAGE WILL NOW BE MARKED
JRST CHKCYL ; AS UNAVAILBLE IN THE SWAP SAT
; BECAUSE FILSER/VMSER DOESN'T LIKE THIS
CHKCY2: POP P,P1 ;RESTORE P1
CHKBT2: HLRZ U,UNISYS##(U) ;GET ADR. OF NEXT UNIT DATA BLOCK IN SYSTEM
IFN FTXMON,<
JRST @[0,,.+1]
>
JUMPN U,CHKBT1 ;REPEAT IF THERE IS ONE
POPJ P, ;NONE LEFT - EXIT
CHKBAT: JSP T2,SVOTAC ;SAVE P4,F,U & J
SETZM BATBAD ;CLEAR "BAT" BLOCK BAD FLAG
SETZM BTHBAD ;CLEAR BOTH BAD FLAG
PUSHJ P,GTBAT ;READ BOTH BAT BLOCKS & VERIFY
SETOM BTHBAD ;BOTH BAD--REMEMBER
SKIPE REDERR ;IF READ ERRORS
AOS BATANY ;ALSO FLAG THAT SOME UNIT HAS ERRORS
SKIPE REDERR ;ANY ERRORS IN EITHER ONE
SETOM BATBAD ;SET BAT BLOCK BAD FLAG
SKIPN BATMAN ;SKIP IF MANDATORY
JRST CKBAT1
JSP T2,SVOTAC ;SAVE P4,F,U, AND J
SKIPN BATBAD ;ANY ERRORS IN EITHER??
POPJ P, ;NO, GO TO NEXT UNIT
HRRZ T3,P1 ;ADDR OF BAT BLOCK IN CORE
SKIPE BTHBAD ;BOTH BAD??
PJRST INTBAT ;YES-MAY AS WELL REWRITE THEM
MOVEI T2,LBOBAT## ;ONE IS GOOD & SITTING IN MBF
HLRZ T3,UNIHOM##(U)
SKIPL REDERR ;SKIP IF BLOCK 2 IS GOOD & 1 IS BAD
HRRZ T3,UNIHOM##(U)
ADD T2,T3 ;BLOCK 2 IS BAD-WRITE GOOD ONE ON IT
MOVEM T2,BLKSLF##(P1) ;THIS BLOCK MUST KNOW WHAT IT IS
PUSHJ P,OMNWRT ;WRITE PROPER BLOCK
PUSHJ P,WRTCHK ;ERROR-TELL OPR ABOUT IT
POPJ P,
CKBAT1: HRRZ T3,P1 ;GET ADR. OF "BAT" BLOCK INTO A BETTER AC
LDB P1,BAYNBR## ;GET # BAD REGIONS FOUND BY MAP PROGRAM.
ADD P1,BAFCNT##(T3) ;ADD IN # FOUND BY MONITOR
ADDM P1,BATANY ;ALSO FLAG THAT SOME UNIT HAS ERRORS
SKIPN LSTBAT ;LISTING # BAD REGIONS?
JRST CHKBT3 ;NO, CHECK IF BAD (SO IF NEVER WRITTEN
;CAN GET CHANCE TO WRITE)
HRRM P1,BATBAD ;STORE # BAD REGIONS ON UNIT FOR PRINTING
SETZ P4, ;FLAG UNIT ID WANTED IN TYPUN1
MOVEI P1,P4 ;NULL MESSAGE
PUSH P,T3
PUSHJ P,OTSET##
POP P,T3
PUSHJ P,TYPUN1 ;TYPE UNIT NAME AND UNIT ID
PUSHJ P,SOPOUT
MOVEI T1,[ASCIZ .
# Bad regions = .]
HRRZ P1,BATBAD ;NUMBER OF BAD REGIONS
PUSHJ P,DECLOP ;TYPE MSG. & VALUE
JUMPE P1,CHKBT3 ;PRINT NO BAD BLOCKS IF 0 BAD REGIONS
HRRZ T2,BAFFIR##(T3) ;GET START ADR. OF MONITOR BAD REGION PAIRS
CAIL T2,BLKCOD## ;MAKE SURE IT'S WITHIN THE BLOCK
JRST INTBAT ;ISN'T - ASK IF "BAT" BLOCKS TO BE INITILAIZED
MOVN T1,P1 ;GET -VE # OF BAD REGIONS
MOVEI P1,0 ;CLEAR AC FOR TOTAL # BAD BLOCKS
HRL T2,T1 ;SETUP T2 FOR AOBJN
ADD T2,T3 ;ADD IN MBF ADR.
PUSH P,T2 ;SAVE AOBJN POINTER
BDBLUP: LDB T1,BAYNBB## ;GET # BAD BLOCKS IN THIS REGION
ADDI P1,1(T1) ;ADD TO TOTAL FOR THIS UNIT
ADDI T2,1 ;EXTRA INCREMENT AS ENTRIES ARE 2 WORD PAIRS
AOBJN T2,BDBLUP ;REPEAT IF MORE REGIONS LEFT
MOVEI T1,[ASCIZ .# Bad blocks = .]
PUSHJ P,DECLOP ;TYPE MSG. & VALUE
JUMPN P1,[POP P,P1 ;ALWAYS ASK QUESTION IF ANY BAD BLOCKS ON UNIT
JRST ASKBIN]
POP P,P1 ;RESTORE AOBJN PTR TO BATBLK
CHKBT3: SKIPN BATBAD ;LIKEWISE IF ANY BAD REGIONS OR ERRORS DETECTED
POPJ P, ;EXIT
ASKBIN: MOVEI T1,[ASCIZ/
Do you want a list of bad regions?
/]
PUSHJ P,ASKQUE ;MAKE FRIENDLY OFFER
JRST INTBAT ;NOPE
MOVEI T1,[ASCIZ/
First block # Blocks
/]
PUSH P,T3
PUSHJ P,CONOUT ;TYPE HEADER
MOVE T3,P1 ;SET UP AOBJN PTR
ASKBLP: MOVE T1,BAFELB##(T3) ;GET ADDRESS WORD
TLZ T1,BATMSK## ;MASK OUT ALL BUT ADDR
MOVEI T2,BAPNTP## ;IF OLD STYLE
TDNN T2,BAFAPN##(T3)
HRRZS T1 ; ONLY 18 BITS COUNT
PUSHJ P,SVOSET ;SET UP
PUSHJ P,SRDX10 ;PLACE IN BUFFER
PUSHJ P,SOPOUT ;TYPE MESSAGE
MOVEI T1,[ASCIZ/ /] ;SPACE OVER
MOVEI T2,(T3) ;SET UP INDEX AC
LDB P1,BAYNBB## ;GET COUNT OF BAD BLOCKS IN REGION
AOJ P1, ;INCREMENT
PUSHJ P,DECLOP ;TYPE SPACE, DECIMAL #, CRLF
AOJ T3, ;MUST INC T3 BY 2 FOR BAT PAIRS
AOBJN T3,ASKBLP ;LOOP
POP P,T3
INTBAT: MOVEI T1,[ASCIZ .
Do you want to initialize the BAT blocks on this unit?
.]
SKIPE BTHBAD ;BOTH BAD??
MOVEI T1,[ASCIZ /
Both BAT blocks are bad.
Do you want to initialize the BAT blocks on this unit?
/]
MOVSI T2,UNPHWP##
TDNN T2,UNIDES##(U) ;DON'T INIT IF UNIT HARDWARE WRITE-PROTECTED
PUSHJ P,ASKQUE ;TYPE QUESTION & GET USER'S RESPONSE
POPJ P, ;HE DOESN'T WANT TO
MOVEI T1,[ASCIZ .
Not normally done, are you sure?
.]
PUSHJ P,ASKQUE ;ASK AGAIN
POPJ P, ;HE SAVED HIMSELF SOME BOTHER
PUSHJ P,SETBAT ;SETUP "BAT" BLOCK PARAMETERS
MOVSI T1,(T3) ;SETUP BLT PTR. TO CLEAR "BAT" BLOCK
HRRI T1,1(T3)
SETZM (T3) ;CLEAR OUT 1ST. WORD
BLT T1,BLKSLF##(T3) ;CLEAR OUT THE REST OF THE BLOCK
MOVEM P2,BLKNAM##(T3) ;PUT SIXBIT 'BAT' IN THE BLOCK
MOVSI T1,MBRMAX## ;SETUP AOBJN PTR. TO BE STORED IN BLOCK
HRRI T1,BAFREG##
MOVEM T1,BAFFIR##(T3) ;SAVE IT IN THE BLOCK
HRRZ J,UNIKON##(U) ;GET UNIT'S KONTROLLER DATA BLOCK ADR.
LDB T1,[POINT 7,KONINT##(J),9] ;GET DEVICE CODE FOR THE KONTROLLER
DPB T1,BAYKDC## ;SAVE IT IN THE BLOCK
MOVEM P3,BLKCOD##(T3) ;SAVE THE CODE FOR "BAT" BLOCKS IN THE BLOCK
MOVE P1,T3 ;GET ADR. OF "BAT" BLOCK IN CORE INTO P1 FOR WRTRUN
MOVEI T1,[ASCIZ/Initializing BAT blocks/]
PUSHJ P,CONOUT
PJRST WRTRUN ;WRITE BOTH "BAT" BLOCKS
BATBAD: 0 ;0 INDICATES VIRGIN "BAT" BLOCKS(INITIALIZED)
; LH = -1 INDICATES ERROR(S) DETECTED WHILE READING
; RH = # BAD REGIONS ON UNIT
BTHBAD: 0 ;0=NOT BOTH BAD, -1 = BOTH BAD
BATMAN: 0 ;0=OPTIONAL, -1=MANDANTORY
BATANY: 0 ;NON-ZERO IF ANY BAD REGIONS ON ANY UNITS
LSTBAT: 0 ;NON-ZERO IF LIST # BAD REGIONS
GTBAT: PUSHJ P,SETBAT ;SETUP "BAT" BLOCK PARAMETERS FOR REDRUN
PJRST REDRUN ;GO READ & VERIFY BLOCKS
SETBAT: MOVSI P2,(SIXBIT .BAT.)
MOVE P3,[EXP CODBAT## ]
MOVE P4,[XWD LBOBAT##,LBOBAT ]
ADD P4,UNIHOM##(U)
POPJ P,
;SUBROUTINE TO SET BITS IN SWAPPING SAT TABLE FOR BAD BLOCKS IN SWAPPING SPACE
;ARGS T1=BLOCK NUMBER WITHIN UNIT
SETSST: SKIPGE UNISUN##(U) ;UNIT IN A.S.L?
POPJ P, ;NO, RETURN
PUSHJ P,SAVE4## ;SAVE P1-P4
SUB T1,UNISLB##(U) ;T1=RELATIVE BLOCK IN SWAPPING SPACE
JUMPL T1,CPOPJ## ;EXIT IF BLOCK BELOW SWAPPING SPACE
LDB P3,UNYK4S## ;P3=K FOR SWAPPING ON THIS UNIT
JUMPE P3,CPOPJ## ;EXIT IF NO SWAPPING SPACE ON UNIT
MOVE T2,P3
LSH T2,BLKSPK## ;CONVERT TO BLOCKS
CAML T1,T2 ;SKIP IF BLOCK IN SWAPPPING SPACE
POPJ P, ;NO, PAST END
MOVEI P1,SWBKPP## ;8 BLOCKS PER K
SETZ P2, ;STARTING AT LOGICAL K 0
SUBI P3,1 ;LAST LOGICAL J NUMBER
MOVE P4,UNIPTR##(U) ;PTR TO SWAPPING SAT
HLRE T2,P4 ;T2=-LENGTH OF SWAPPING SAT
SUB P4,T2 ;P4=AOBJN PTR TO SECOND COPY
SUBI P4,1 ;MAKE IOWD PTR
ADDI T1,SWBKPP## ;SWAPPING SPACE STARTS AT 1 FOR VM
SSX P4,MS.SAT ;SECTION NUMBER FOR SWAPPING SATS
;ADDRESS OF THE SAT
PUSHJ P,CHKBIT## ;FIND BIT
ORM T4,(T1) ;WAS NOT ON, SET IT
POPJ P, ;THATS ALL
;SUBROUTINE TO READ SPECIAL BLOCKS ON THE DISK ["HOME","BAT" & "RIB"]
; ENTER WITH U = UNIT U BLOCK ADR. F = FILE DATA BLOCK ADR.
; OTHER ARGS. SETUP BY 'GTHOM' , 'GTBAT' & 'GTSRB'
; RETURN WITH T2 & S AS 'REDCHK' SETS THEM
; NON SKIP RETURN IF ERRORS ON BOTH BLOCKS
REDRUN::MOVE F,DATADR ;SETUP FILE DATA BLOCK ADR.
HRRZ P1,@ONCMBF ;GET ADR. OF MONITOR BUFFER FOR DISK BLOCK
ADDI P1,1
SETZM REDERR ;CLEAR ERROR FLAG
FIROK: SETOM WHICH ;INDICATE READING 1ST. BLOCK
HLRZ T2,P4 ;GET ITS BLOCK #
PUSHJ P,REDCHK ;READ BLOCK & CHECK FOR ERRORS
JRST REDSEC ;ERROR(S) DETECTED - GO TRY 2ND. BLOCK
JUMPG T2,CPOPJ1## ;IF 2ND. BLOCK BAD BUT 1ST. OK - SKIP RETURN
REDSEC: SETZM WHICH ;INDICATE READING 2ND. BLOCK
HRRZ T2,P4 ;GET ITS BLOCK #
PUSHJ P,REDCHK ;READ BLOCK & CHECK FOR ERRORS
JUMPL T2,CPOPJ## ;ERROR(S) DETECTED
; ERROR(S) ON 1ST. BLOCK AS WELL GIVES ERROR RETURN
JUMPG T2,FIROK ;IF 2ND. BLOCK BAD BUT 1ST. OK - GO TRY 1ST. AGAIN
JRST CPOPJ1## ;GIVE SKIP RETURN
;SUBROUTINE TO READ A SPECIAL BLOCK AND CHECK FOR ERRORS
; ENTER WITH T2 = BLOCK # TO BE READ. F = FILE DATA BLOCK. U = UNIT DATA BLOCK ADR.
; RETURN T2 & S = 0 IF NO ERRORS. NON SKIP RETURN IF ERROR ON EITHER BLOCK
; RETURN RH T2 =-1 IF ERROR ON 2ND. BLOCK
; " LH T2 =-1 " " " 1ST. "
; & S HAS APPROPRIATE RH ERROR BITS SET
REDCHK: PUSHJ P,OMNRED ;READ THE BLOCK
SKIPA T3,UNINAM##(U) ;ERROR - GET SIXBIT UNIT NAME
JRST CONCHK ;NO READ ERRORS - GO MAKE CONSISTANCY CHECKS
MOVEI T1,[ASCIZ . block hardware read error.]
PUSHJ P,RDNMSG ;PRINT ERROR MSG. FOR BLOCK TYPE
TRO S,IODTER ;NOTE DATA ERROR
JRST TSTCHK ;DON'T PRINT CONSISTENCY ERROR MESSAGE
CONCHK: CAMN P2,[SIXBIT /SAT/] ;IS THIS THE SAT.SYS "RIB" BLOCK WE'RE READING?
CAME P2,RIBNAM##(P1) ;YES - IS THE NAME IN THE "RIB" = 'SAT'?
CAMN P2,BLKNAM##(P1) ;NO - CHECK BLOCK NAME(THIS ALWAYS FAILS WITH "RIB")
CAME P3,BLKCOD##(P1) ;OK - CHECK CODE WORD
SKIPA T3,UNINAM##(U) ;NO CHECK - GET SIXBIT UNIT NAME
JRST TSTCHK ;EXIT CHECKING ERRORS ON THE WAY
MOVEI T1,[ASCIZ . block consistency error.]
PUSHJ P,RDNMSG ;PRINT ERROR MSG. FOR BLOCK TYPE
TRO S,IOIMPM ;SET AN ERROR BIT FOR ERROR CHECK
TSTCHK: MOVE T2,REDERR ;PICK UP ERROR WORD FOR CHECKING BY CALLER
JUMPE S,CPOPJ1## ;SKIP RETURN IF NO ERRORS
POPJ P,
;SUBROUTINE TO PRINT ERROR MSG. FOR REDCHK
; ENTER WITH T1 = MSG. ADR. T3 = SIXBIT UNIT NAME
; RETURN LH. OR RH. OF REDERR = -1
; DEPENDING ON WHETHER IST. OR 2ND BLOCK HAD ERROR
RDNMSG: JSP T2,SVOTAC ;SAVE T3,F,U & J
PUSH P,T1 ;SAVE ADDR OF MESSAGE
PUSHJ P,SVOSET
MOVE T2,T3 ;SIXBIT UNIT NAME
PUSHJ P,SPRNAM ;PUT NAME IN BUFFER
MOVEI T1,[ASCIZ . first .] ;PRESUME ERROR ON 1ST. BLOCK
SKIPE WHICH ;2ND. BLOCK WAS READ?
JRST FSTERR ;NO - 1ST. BLOCK
HLLOS REDERR ;INDICATE ERROR ON 2ND. BLOCK
SKIPA T1,[[ASCIZ . second .]]
FSTERR: HRROS REDERR ;INDICATE ERROR ON 1ST. BLOCK
PUSHJ P,SCONMS ;PUT MSG. IN BUFFER
MOVE T2,P2 ;GET SIXBIT BLOCK TYPE("HOME" OR "BAT")
CAMN P2,[SIXBIT .SAT.] ;IF THIS WAS A "RIB" BLOCK
MOVSI T2,(SIXBIT .RIB.) ; TYPE "RIB" INSTEAD OF "SAT"
PUSHJ P,SPRNAM ;PUT IT IN BUFFER
POP P,T1 ;ADDR OF MESSAGE
PUSHJ P,SCONMS ;PUT MSG. IN BUFFER
PJRST SCRLFO ;CRLF AND TYPE MESSAGE
REDERR: 0 ;ERROR WORD FOR REDRUN
; RH=-1 IF ERROR ON 2ND. BLOCK
; LH " " " " 1ST. "
WHICH: 0 ;FLAG TO INDICATE WHETHER 2ND. OR 1ST. BLK BEING READ
;SUBROUTINE TO TYPE ALL STR'S & THEIR UNITS IN THE SYSTEM
; RETURN WITH P1,P4,F,U & J DESTROYED
TYPSYS: PUSHJ P,OTSET##
SETZM P4 ;INDICATE UNIT ID TO BE PRINTED IN TYPUNI
HLRZ P2,SYSSTR## ;ADR. OF 1ST. STR DATA BLOCK IN SYSTEM
TYPSY1: JUMPE P2,SOPOUT ;NONE LEFT - EXIT
PUSHJ P,TYPSTR ;TYPE STR NAME & ALL ITS UNITS
HLRZ P2,STRSYS##(P2) ;GET ADR. OF NEXT STR DATA BLOCK
JRST TYPSY1 ; & REPEAT
TYPSTR:
IFN FTPSTR,<
LDB T1,STYPVS##
JUMPE T1,TYPST0 ;JUMP IF PUBLIC
MOVEI T1,[ASCIZ .Private: .]
PUSHJ P,SCONMS ;TELL HIM ITS PRIVATE
TYPST0:>
HLLZ T2,STRREF##(P2)
JUMPE T2,NOREF ;DOES STR NEED REFRESHING?
MOVEI T1,[ASCIZ .Need refreshing: .] ;YES
PUSHJ P,SCONMS ;PUT MSG IN BUFFER
NOREF: PUSHJ P,SPSNAM ;PUT SIXBIT STR NAME IN BUFFER
HLRZ U,STRUNI##(P2) ;GET ADR. OF 1ST. UNIT IN STR
JUMPE U,SCRLFO ;IF NO UNITS IN STR - O/P BUFFER WITH CRLF & EXIT
MOVEI P1,[ASCIZ .:.]
PUSHJ P,TYPUN1 ;TYPE ":" UNIT NAME & (ID) [IST. TIME THRU]
TYPST1: HLRZ U,UNISTR##(U) ;GET NEXT UNIT DATA BLOCK IN STR
JUMPE U,CRLF## ;IF NO MORE UNITS - ADD CRLF & EXIT
PUSHJ P,TYPUNI ;TYPE "," UNIT NAME & (ID)
JRST TYPST1 ;REPEAT UNTIL NO MORE UNITS IN STR
;SUBROUTINE TO TYPE ALL UNITS IN SYSTEM THAT ARE NOT IN ANY STR
; RETURN WITH P1,P4,F,U & J DESTROYED
TYPUNS: PUSHJ P,OTSET##
HLRZ U,SYSUNI## ;GET ADR. OF 1ST. UNIT DATA BLOCK IN SYSTEM
PUSH P,[0] ;INITIALIZE COUNTER
TDZA P4,P4 ;INDICATE UNIT ID TO BE TYPED IN TYPUNI
TYPNS1: HLRZ U,UNISYS##(U) ;GET ADR. OF NEXT UNIT DATA BLOCK IN SYSTEM
JUMPE U,TYPNS4 ;EXIT IF NONE LEFT
SKIPE UNILOG##(U) ;IS THIS UNIT IN AN STR?
JRST TYPNS1 ;YES - CHECK NEXT UNIT
MOVEI P1,[ASCIZ .,.] ;ASSUMUE DEFAULT CASE:NON-FIRST UNIT ON A LINE
SOSLE T1,(P) ;FINISHED ON THIS LINE?
JRST TYPNS3 ;OUTPUT STANDARD CASE
MOVEI P1,[ASCIZ .,
.]
JUMPE T1,TYPNS2 ;AND IF THAT IS TRUE,CHARGE AHEAD
MOVEI P1,[ASCIZ .
Units not in a file structure:
.]
TYPNS2: MOVEI T1,UNTPLN ;RESET COUNTER
MOVEM T1,(P)
TYPNS3: PUSHJ P,TYPUN1
JRST TYPNS1
TYPNS4: POP P,T1
JUMPLE T1,SOPOUT ;IF FOUND NO UNITS TO TYPE
JRST TYPSR1 ;IF FOUND AT LEAST ONE
;SUBROUTINE TO TYPE ALL UNITS IN SYSTEM THAT ARE IN AN STR WHICH IS
;NOT MOUNTED TO THIS SYSTEM
; RETURN WITH P1,P4,F,U & J DESTROYED
IFN FTSETS,<
TYPNMU: PUSHJ P,OTSET##
HLRZ U,SYSUNI## ;GET ADR. OF 1ST. UNIT DATA BLOCK IN SYSTEM
PUSH P,[0] ;INITIALIZE COUNTER
TDZA P4,P4 ;INDICATE UNIT ID TO BE TYPED IN TYPUNI
TYPNM1: HLRZ U,UNISYS##(U) ;GET ADR. OF NEXT UNIT DATA BLOCK IN SYSTEM
JUMPE U,TYPNM4 ;EXIT IF NONE LEFT
MOVSI T1,UNPNMU## ;GET THE FLAG
TDNN T1,UNIDES##(U) ;DOES THIS UNIT GET MOUNTED?
JRST TYPNM1 ;YES - CHECK NEXT UNIT
MOVEI P1,[ASCIZ .,.] ;ASSUMUE DEFAULT CASE:NON-FIRST UNIT ON A LINE
SOSLE T1,(P) ;FINISHED ON THIS LINE?
JRST TYPNM3 ;OUTPUT STANDARD CASE
MOVEI P1,[ASCIZ .,
.]
JUMPE T1,TYPNM2 ;AND IF THAT IS TRUE,CHARGE AHEAD
MOVEI P1,[ASCIZ .
Units in a disk set which is not mounted to this system:
.]
TYPNM2: MOVEI T1,UNTPLN ;RESET COUNTER
MOVEM T1,(P)
TYPNM3: PUSHJ P,TYPUN1
JRST TYPNM1
TYPNM4: POP P,T1
JUMPLE T1,SOPOUT ;IF FOUND NO UNITS TO TYPE
JRST TYPSR1 ;IF FOUND AT LEAST ONE
>; END IFN FTSETS
;SUBROUTINE TO TYPE ALL UNITS IN THE ACTIVE SWAPPING LIST
; RETURN WITH P1,P3,P4,F,U & J DESTROYED
TYPASL: PUSHJ P,OTSET##
MOVSI P3,MSWPMX## ;-VE LENGTH OF ASL
HRRZ U,SWPTAB##(P3) ;GET ADR. OF 1ST. UNIT DATA BLOCK IN ASL
SETOM P4 ;INDICATE CLASS FOR SWAPPING TO BE TYPED IN TYPUNI
MOVEI P1,[ASCIZ .
Units in active swapping list:
.]
PUSHJ P,TYPUN1 ;TYPE MSG., UNIT NAME & (CLASS FOR SWAPPING)
JRST TYPAS2
TYPAS1: HRRZ U,SWPTAB##(P3) ;GET ADR. OF NEXT UNIT DATA BLOCK IN ASL
SKIPE U ;END OF LIST WHEN ZERO ENTRY FOUND
PUSHJ P,TYPUNI ;TYPE "," UNIT NAME & (CLASS FOR SWAPPING)
TYPAS2: AOBJN P3,TYPAS1 ;REPEAT IF LIST NOT COMPLETELY SCANNED
PJRST TYPSR1 ;ADD CRLF & EXIT
;SUBROUTINE TO PRINT "UNIT" (NAME)
;ENTER U=UDB
UNITIS::MOVEI T1,[ASCIZ .
%Unit .]
PUSHJ P,ICONM##
MOVE T2,UNINAM##(U)
PJRST PRNAME##
;SUBROUTINE TO TYPE SIXBIT UNIT NAME FOLLOWED BY (ID/SWAPPING CLASS)
; ENTER WITH U = UNIT DATA BLOCK ADR.
; P4 = 0 TO TYPE UNIT ID. P4 = -VE TO TYPE SWAPPING CLASS
TYPUNI: MOVEI P1,[ASCIZ .,.]
TYPUN1: MOVE T1,P1 ;GET MSG. ADR. INTO KOSHER AC
PUSHJ P,SCONMS ;PUT "," OR MSG. IN BUFFER
JUMPE U,CPOPJ## ;JUST O/P MSG. IF NO UNITS IN ASL
PUSHJ P,SPUNAM ;PUT SIXBIT UNIT NAME IN BUFFER
MOVEI T1,[ASCIZ .(.]
PUSHJ P,SCONMS ;PUT "(" IN BUFFER
JUMPL P4,TYPUN2 ;JUMP IF CLASS FOR SWAPPING TO BE TYPED
MOVE T2,UNIHID##(U) ;GET SIXBIT UNIT ID - IF ANY
TLNE T2,777777 ;AVOID 0,,JUNK
PUSHJ P,SPRNAM ;PUT IT IN THE BUFFER
JRST TYPUN3
TYPUN2: LDB T1,UNYCFS## ;GET CLASS FOR SWAPPING
PUSHJ P,SRDX10 ;PUT DECIMALLY IN THE BUFFER
TYPUN3: MOVEI T1,[ASCIZ .).]
PJRST SCONMS
;SUBROUTINE TO TYPE ALL STR NAMES IN "SYS" SEARCH LIST
TYPSRC: MOVEI T1,[ASCIZ .
Structures in system search list:.]
PUSHJ P,CONOUT
PUSHJ P,OTSET##
MOVE P4,[PUSHJ P,TYPSTS] ;SETUP INSTR. FOR XCT IN FNDSRC
PUSHJ P,FNDSRC ;TYPE ALL STR NAMES IN "SYS" SEARCH LIST
TYPSR1: PJRST CRLFOP ;O/P CRLF
FNDSRC: MOVSI P3,-.SLMXS ;SETUP AOBJN PTR. FOR MAX. # STRS IN SEARCH LIST
FNDSR1: HLRZ P2,SYSSTR## ;GET ADR. OF 1ST. STR IN SYSTEM
JUMPE P2,CPOPJ## ;QUIT NOW IF NO FILE STRUCTURES
FNDSR2: MOVE T1,STRSRC##(P2) ;GET LOG. # OF STR IN SEARCH LIST
CAIE T1,(P3) ;IS IT THE ONE WE'RE LOOKING FOR?
JRST FNDSR3 ;NO - GET NEXT STR
XCT P4 ;EXECUTE INSTR. SUPPLIED BY CALLER
AOBJP P3,CPOPJ## ;EXIT IF MAX. # STRS SEEN
JRST FNDSR1
FNDSR3: HLRZ P2,STRSYS##(P2) ;GET ADR. OF NEXT STR DATA BLOCK IN SYSTEM
JUMPN P2,FNDSR2 ;REPEAT IF ANY LEFT
AOBJN P3,FNDSR1 ;LOOK FOR NEXT LOG. STR #
POPJ P, ;EXIT
DEPCLR: HRRZ T1,STRFSN##(P2) ;GET # OF THIS STR
EXCH P2,TEMPTR ;PUT IT IN SYS SL.
PUSHJ P,SLAPD##
PUSHJ P,SLXAES## ;STOPCD AES IF NO ROOM
PUSH P,P2 ;SAVE CURRENT LOC IN SL.
MOVEI T1,.FSFNC ;INSERT A FENCE
PUSHJ P,SLAPD##
PUSHJ P,SLXAES##
POP P,P2 ;BACK UP OVER THE FENCE
EXCH P2,TEMPTR
POPJ P, ;EXIT
;SUBROUTINE TO TYPE ALL STR NAMES IN THE SYSTEM DUMP LIST
TYPSDL: MOVEI T1,[ASCIZ .
Structures in system dump list:.]
PUSHJ P,CONOUT
PUSHJ P,OTSET##
MOVE P4,[PUSHJ P,TYPSTS] ;SETUP INSTR FOR FNDSDL TO XCT
PUSHJ P,FNDSDL ;TYPE STR NAMES
PJRST CRLFOP ;END WITH CRLF AND RETURN
;SUBROUTINE TO FIND ALL STRS IN THE SYSTEM DUMP LIST AND EXECUTE
;A CALLER SUPPILED INSTRUCTION FOR EACH. CALL WITH INSTRUCTION TO
;EXECUTE IN P4
FNDSDL: MOVSI P3,-.SDMAX ;AOBJN POINTER FOR MAX STRS IN SDL
FNDSD1: HLRZ P2,SYSSTR## ;GET ADDR OF 1ST STR IN SYSTEM
JUMPE P2,CPOPJ## ;QUIT IF NO STRS
FNDSD2: MOVE T1,STRSDL##(P2) ;GET POSITION OF THIS STR IN SDL
CAIE T1,(P3) ;THIS THE ONE WE'RE LOOKING FOR?
JRST FNDSD3 ;NO, CONTINUE
XCT P4 ;EXECUTE CALLER SUPPLIED INSTRUCTION
JRST FNDSD4 ;ELSE LOOP FOR NEXT
FNDSD3: HLRZ P2,STRSYS##(P2) ;STEP TO NEXT STR DATA BLOCK
JUMPN P2,FNDSD2 ;AND FIND MATCH IF NOT AT END
FNDSD4: AOBJN P3,FNDSD1 ;LOOK FOR NEXT STR IN SDL
POPJ P, ;RETURN
TYPSTS: JSP T2,SVOTAC
MOVEI T1,[ASCIZ .,.]
TRNE P3,-1 ;1ST STR?
PUSHJ P,SCONMS ;YES - NO COMMA
PUSHJ P,SPSNAM ;PUT SIXBIT STR NAME IN BUFFER
POPJ P,0
CHGUNA: MOVEI T1,[ASCIZ .
Type physical unit name to change its parameters (<CR> if none, ALL if all).]
PUSHJ P,CONOUT ;ADD CRLF & O/P MSG.
PUSHJ P,GETUNI ;GET USER'S RESPONSE
POPJ P, ;JUST CR TYPED - EXIT
PUSHJ P,TYNMSG ;TYPE INSTRUCTIONS & CLEAR THE TYPE ONLY FLAG
PUSHJ P,SYSPLP ;TYPE & CHANGE PARAMETERS FOR ONE OR ALL UNITS
JRST CHGUNA ;"ALL" WASN'T TYPED - ASK FOR NEXT UNIT NAME
POPJ P, ;EXIT
TYPUNA: MOVEI T1,[ASCIZ .
Type physical unit name to list its parameters (<CR> if none, ALL if all).]
PUSHJ P,CONOUT ;ADD CRLF & TYPE MSG.
PUSHJ P,GETUNI ;GET USER'S RESPONSE
POPJ P, ;JUST CR TYPED - EXIT
SETOM TYPONL ;SET TYPE ONLY FLAG
PUSHJ P,SYSPLP ;TYPE PARAMETERS FOR ONE OR ALL UNITS IN SYSTEM
JRST TYPUNA ;"ALL" WASN'T TYPED - ASK FOR NEXT UNIT NAME
POPJ P, ;EXIT
SYSPLP: JUMPN U,TYPUNP ;WAS "ALL" TYPED?
HLRZ U,SYSUNI## ;YES - GET ADR. OF 1ST. UNIT DATA BLOCK IN SYSTEM
SYSPL1: PUSHJ P,SVOSET ;INITIALIZE CTY BUFFER
PUSHJ P,SCRLFO ;O/P A CRLF
PUSHJ P,SVOSET ;INITIALIZE CTY BUFFER
PUSHJ P,SPUNAM ;PUT SIXBIT UNIT NAME IN BUFFER
PUSHJ P,SOPOUT ; & O/P IT
MOVSI T1,UNPOFL## ;GET THE OFF-LINE BIT
TDNN T1,UNIDES##(U) ;IS UNIT OFF-LINE OR DOWN?
JRST SYSPL2 ;NO
MOVEI T1,[ASCIZ | is off-line|]
PUSHJ P,SVMOUT ;OUTPUT CHATTER
JRST SYSPL3 ;AND ON TO THE NEXT UNIT
SYSPL2: PUSHJ P,TYPUNP ;TYPE (& CHANGE) PARAMETERS FOR THIS UNIT
SYSPL3: HLRZ U,UNISYS##(U) ;GET ADR. OF NEXT UNIT DATA BLOCK IN SYSTEM
JUMPN U,SYSPL1 ;REPEAT IF ANY LEFT
JRST CPOPJ1## ;SKIP RETURN
TYPUNP: HRRZ P2,UNISTR##(U) ;GET ADR. OF STR DATA BLOCK UNIT BELONGS TO(IF ANY)
MOVEI T1,[ASCIZ .
Parameters that require refreshing:.]
PUSHJ P,SVMOUT ;ADD CRLF & O/P MSG.
MOVE T1,UNIHOM##(U) ;GET POSITION OF HOM BLOCKS
CAME T1,[XWD LBNHOM##,LB2HOM##] ;EITHER ORDER IS FINE
CAMN T1,[XWD LB2HOM##,LBNHOM##]
JRST ASKSPU ;EVERYTHING IS FINE
MOVE T1,[XWD LBNHOM##,LB2HOM##] ;GET CORRECT POSITION OF
;HOM BLOCKS
MOVEM T1,UNIHOM##(U) ;PUT IN UNIT DATA BLOCK
PUSHJ P,REFCHU ;MAKE SURE HOM BLOCKS ARE
;WRITTEN ON THIS UNIT
ASKSPU: PUSHJ P,COMLC1 ;COMPUTE MIN. # SATS ON UNIT
MOVE T1,T2
IDIVI T2,MXSADA*^D36
AOS P4,T2
MOVEM P4,MIN
IDIVI T1,^D36 ;COMPUTE GREATEST # SATS POSSIBLE ON THIS UNIT
ADDI T1,1 ;MAX # OF SATS BASED ON USING ONE WORD PER SAT
HRRZ T2,STRUNM##(P2) ;ONE UNIT CHANGE POINTER REQUIRED PER UNIT
SUBI T2,RIBLEN##-3 ;SUBTRACT THESE PLUS (2 RIBS + EOF)
MOVNS T2 ;MAX # OF SATS WHICH CAN FIT IN ONE RIB
CAILE T1,(T2) ;LESS THAN THIS?
MOVE T1,T2 ;NO--PUT IN AS NEW MAX
MOVEM T1,MAX
ASKSP1: SKIPN SHUTUP ;SKIP IF SHORT DIALOG
JRST .+4 ;ELSE CONTINUE WITH NORMAL CODE
LDB T3,UNYKTP## ;GET KONTROLLER TYPE
MOVE P1,MIN ;NO. OF SAT BLOCKS DESIRED ON THIS UNIT
JRST SPUOK ;MAKE IT HAPPEN
LDB P1,UNYSPU## ;GET SAT BLOCKS ON UNIT.
MOVEI T1,[ASCIZ .Number of SAT blocks on unit = .]
PUSHJ P,ASKDMM ;TYPE MSG. & VALUE(GET NEW VALUE IF TYPONL=0)
JUMPL T1,TYPCPS ;TYPONL=-1, CR OR NO CHANGE IN VALUE
CAML P1,P4 ;IS NEW VALUE > THAN MIN. # POSSIBLE?
JRST ASKSP2 ;YES - SEE IF LT. OR EQ. TO MAX. # SATS ON UNIT
MOVEI T1,[ASCIZ /?Too small - Min. # = /]
MOVE P1,P4 ;GET MIN. # INTO KOSHER AC
PUSHJ P,DECLOP ;TYPE MSG. & VALUE
JRST ASKSP1 ;ASK QUESTION AGAIN
ASKSP2: CAMG P1,MAX ;LESS THAN MAX. # ON UNIT?
JRST SPUOK ;YES - GO STORE VALUE & COMPUTE # CLUSTERS PER SAT
PUSHJ P,CANTEX ;TYPE 'CANNOT EXCEED' & VALUE
JRST ASKSP1 ;ASK QUESTION AGAIN
SPUOK: DPB P1,UNYSPU## ;STORE NEW VALUE
PUSHJ P,REFCHU ;UNIT NEEDS "HOME" BLOCKS REWRITING, STR REFRESHING
TYPCPS: MOVE T1,UNIDES##(U)
TLZ T1,UNPMSB## ;ASSUME ONLY 1 SAT BLOCK ON UNIT
CAIE P1,1 ;MORE THAN 1?
TLO T1,UNPMSB## ;YES - FLAG THE FACT
MOVEM T1,UNIDES##(U) ;SAVE STATE IN UNIT DATA BLOCK
PUSHJ P,CMCWPS ;COMPUTE # CLUSTERS & SATS ON UNIT
SKIPN SHUTUP
JRST .+4
LDB T1,UNYSPU##
DPB T1,UNYSIC##
PJRST REFCHU
HRRZ P1,UNICPS##(U) ;GET # CLUSTERS PER SAT
MOVEI T1,[ASCIZ .Therefore clusters per SAT = .]
PUSHJ P,DECLOP ;TYPE MSG. & VALUE
LDB P1,UNYWPS## ;GET # WORDS PER SAT
MOVEI T1,[ASCIZ .Therefore words per SAT = .]
PUSHJ P,DECLOP ;TYPE MSG. & VALUE
ASKK4S: SETZM MIN ;0 IS ACCEPTABLE
SKIPE UNILOG##(U) ;SKIP IF NOT IN A FILE STRUCTURE
JRST CK4S1 ;YES, FIGURE OUT SPACE AVAILABLE FOR SWAPPING
MOVEI T3,LB2HOM##+4 ;FIRST BLOCK AVAILABLE FOR SWAPPING
JRST CK4SO ;COMPUTE MAX K FOR SWAPPING
CK4S1: MOVEI T1,LB2HOM##+2 ;LAST BLOCK NOT AVAILABLE FOR SWAP THIS UNIT
LDB T2,UNYBPC## ;BLOCKS PER CLUSTER
IDIV T1,T2 ;T1=LAST CLUSTER NOT AVAILABLE
LDB T3,UNYSPU## ;COUNT 1 CLUSTER FOR EACH SAT ON UNIT
ADDI T3,1(T1) ;PLUS CLUSTERS FOR HOME STUFF
LDB T1,UNYLUN## ;LOGICAL UNIT IN STR
JUMPN T1,CK4S2 ;JUMP IF NOT 1ST UNIT IN STR
ADDI T3,RB1UN## ;+CLUSTERS FOR RIBS ON 1ST UNIT REFRESHER MAKES
LDB T1,UNYBPC## ;BLOCKS PER CLUSTER
CAIG T1,2
MOVEI T1,3
LDB T2,UNYBPC## ;BLOCKS PER CLUSTER
ADDI T1,-1(T2)
IDIV T1,T2 ;CLUSTERS FOR MFD
IMULI T1,3 ;COUNT SAME FOR SYS AND PRT UFD'S
ADD T3,T1 ;COUNT CLUSTERS NECESSARY FOR REFRESHER
CK4S2: HRRZ T1,STRUNM##(P2) ;NUMBER OF UNITS IN STR
LDB T2,UNYLUN## ;LOGICAL UNIT IN STR
CAIE T1,1(T2) ;SKIP IF THIS IS LAST UNIT IN STR
JRST CK4S3 ;NO
ADDI T3,RBLUN## ;COUNT RIBS REFRESHER WRITES ON LAST UNIT
HRRZ T1,STRK4C##(P2) ;K FOR CRASH SAV
LSH T1,BLKSPK## ;CONVERT TO BLOCKS
ADDI T1,2+4 ;+6 FOR RIBS AND EXE DIRECTORY
LDB T2,UNYBPC## ;BLOCKS PER CLUSTER
ADDI T1,-1(T2)
IDIV T1,T2 ;CLUSTERS FOR CRASH EXE
ADD T3,T1
MOVEI T1,2 ;2 BLOCKS FOR SNAP SYS AND RECOV SYS
LDB T2,UNYBPC##
ADDI T1,-1(T2)
IDIV T1,T2 ;CLUSTERS FOR SNAP SYS
LSH T1,2
ADD T3,T1
CK4S3: LDB T2,UNYBPC## ;BLOCKS PER CLUSTER
IMUL T3,T2 ;T3=1ST BLOCK AVAILABLE FOR SWAPPING
CK4SO: MOVEM T3,TMPMIN ;SAVE FIRST BLOCK TO SWAP
SOJ T3, ;(T3)=LAST BLOCK NOT AVAILABLE FOR SWAP
MOVE T1,UNIBPU##(U) ;BLOCKS ON UNIT
SUB T1,T3 ;T1=BLOCKS AVAILABLE FOR SWAPPING
HRRZ T2,UNICPS##(U) ;NOW GET CLUSTERS PER SAT
LDB T3,UNYBPC## ;AND GET BLOCKS PER CLUSTER
JUMPE T3,CK4S6 ;FORGET IT IF NOT IN A STR
IMULI T3,-2(T2) ;MULTIPLY TO GET BLOCKS PER SAT - 2 CLUSTERS
CAMLE T1,T3 ;WILL 1 SAT BLOCK HOLD MORE THAN THIS STR
MOVE T1,T3 ;NO, CAN'T USE ALL OF STR FOR SWAPPING
CK4S6: LSH T1,MBKSPK## ;CONVERT TO MAX K FOR SWAPPING
MOVEI T2,1
LSH T2,LIMK4S##-K2PLSH
SUBI T2,1 ;MAX THAT FITS IN FIELD
CAMLE T1,T2
MOVE T1,T2 ;MIN OF FIELD, BLOCKS AVAILABLE
MOVEM T1,MAX ;IS MAX K FOR SWAPPING
SKIPN SHUTUP
JRST CK4S4
LDB T4,UNYKTP## ;KONTROLLER TYPE
MOVE P1,K4SDEF(T4) ;GET K4 SWAPPING ON UNIT
JUMPE P1,K4SOK ;ZERO SPEC IS ALWAYS GOOD
CAMLE P1,MAX ;GREATER THAN MAX ALLOWED?
MOVE P1,MAX ;YES--USE MAX
JRST K4SOK ;NO-GO ALLOCATE WHAT HE ASKED FOR
CK4S4: MOVEI T1,[ASCIZ .Number of K for swapping on unit = .]
LDB P1,UNYK4S##
PUSHJ P,ASKDMM ;TYPE MSG. & VALUE(GET RESPONSE IF TYPONL=0)
JUMPL T1,ASKSLB ;TYPONL=-1, CR OR NO CHANGE IN VALUE
CAMG P1,MAX ;SWAPPING MORE BLOCKS THAN ON UNIT?
JRST K4SOK ;NO - GO STORE NEW VALUE IN STR DATA BLOCK
PUSHJ P,CANTEX ;TYPE 'CANNOT EXCEED' & VALUE
JRST ASKK4S ;ASK QUESTION AGAIN
K4SOK: LSH P1,BLKSPK## ;COMPUTE (# BLOCKS NEEDED FOR SWAPPING)
MOVE T3,UNIBPU##(U) ;PUT # BLOCKS ON UNIT INTO T2. RESPECTED BY REFCHG
SUB T3,P1 ;COMPUTE 1ST. LOG. BLOCK FOR SWAPPING
LSH T3,-1 ;DIVIDE BY 2 SO SWAP AREA CENTERED ON DISK
TRZ T3,3
CAMGE T3,TMPMIN ;ABOVE MINIMUM BLOCK FOR SWAPPING?
MOVE T3,TMPMIN ;NO, USE MINIMUM BLOCK INSTEAD
LSH P1,MBKSPK## ;CONVERT BLOCKS FOR SWAPPING BACK INTO J
DPB P1,UNYK4S## ;STORE NEW VALUE
PUSHJ P,REFCHU ;UNIT NEEDS "HOME" BLOCKS REWRITING, STR REFRESHING
JUMPE P1,TYPUNN ;IF NO SWAPPING SPACE ALLOCATED SKIP QUESTIONS
MOVE P1,T3 ;SAVE COMPUTED FIRST LBN FOR LATER TYPE OUT
MOVE T1,TMPMIN ;GET MIN BLOCK TO SWAP TO
MOVEM T1,MIN ;MIN BLOCK FOR SWAPPING SPACE
LDB T4,UNYK4S## ;GET # K FOR SWAPPING
LSH T4,BLKSPK## ;COMPUTE # BLOCKS FOR SWAPPING ON UNIT
MOVE T2,UNIBPU##(U) ;GET # BLOCKS ON UNIT
SUB T2,T4 ;COMPUTE HIGHEST 1ST. LOG. BLOCK # POSSIBLE
HRRZ T1,UNICPS##(U) ;GET CLUSTERS/SAT
LDB T3,UNYSPU## ;GET SATS/UNIT
SUBI T3,1 ;MINUS 1
IMUL T1,T3 ;COMPUTE CLUSTERS IN ALL BUT LAST SAT
LDB T3,UNYBPC## ;GET BLOCKS/CLUSTER
IMUL T1,T3 ;COMPUTE BLOCKS IN ALL BUT LAST SAT
ADD T1,T4 ;ADD IN BLOCKS FOR SWAPPING ON UNIT
CAMLE T1,UNIBPU##(U) ;GREATER THAN UNIT SIZE?
SUB T2,T3 ;YES, RESERVE A CLUSTER IN LAST SAT FOR THE SAT
TRZ T2,3
MOVEM T2,MAX ;MAX=HIGHEST LEGAL BLOCK
MOVE T1,UNISLB##(U) ;GET 1ST. LOG. BLOCK FOR SWAPPING
CAILE T1,LB2HOM##+1 ;IS IT BETWEEN 0 & 2ND. BAT BLOCK?
JRST K4SOK1 ;NO
PUSHJ P,TRFCHU ;UNIT NEEDS "HOME" BLOCKS REWRITING, STR REFRESHING
MOVEM P1,UNISLB##(U) ;SUBSTITUTE COMPUTED VALUE OF 1ST. LOG. BLOCK
K4SOK1: SKIPE SHUTUP ;SKIP IF NOT SHORT DIALOG
JRST SLBOK ;JUST USE COMPUTED BLOCK NO.
MOVEI T1,[ASCIZ /Computed first logical block for swapping = /]
PUSHJ P,DECLOP ;TYPE MSG. & VALUE
JRST ASKSL1
ASKSLB: JUMPE P1,TYPUNN ;DON'T ASK OR TYPE SWAPPING STUFF IF NO SWAPPING SPACE
ASKSL1: MOVEI T1,[ASCIZ /The first logical block for swapping = /]
MOVE P1,UNISLB##(U)
SKIPGE TYPONL ;IF JUST LISTING VALUES,
MOVEM P1,MAX ;U MAX ISN'T SET UP
PUSHJ P,ASKDMM ;TYPE MSG. & VALUE(GET NEW VALUE IF TYPONL=0)
JUMPL T1,TYPUNN ;TYPONL=-1, CR OR NO CHANGE IN VALUE
PUSHJ P,CANTB0 ;TYPE 'CANNOT BE 0' IF P1 = 0
JRST ASKSL1 ;P1 = 0 - ASK QUESTION AGAIN
CAML P1,MIN ;IS NEW VALUE IN FORBIDDEN AREA?
JRST HGHSLB ;NO
MOVEI T1,[ASCIZ .?Must exceed .]
MOVE P1,MIN
PUSHJ P,DECLOP ;TYPE MSG. & VALUE
JRST ASKSL1 ;ASK QUESTION AGAIN
HGHSLB: CAMG P1,MAX ;IS SPECIFIED VALUE GREATER THAN THIS?
JRST SLBOK ;NO - GO STORE NEW VALUE
PUSHJ P,CANTEX ;TYPE 'CANNOT EXCEED' & VALUE
JRST ASKSL1 ;ASK QUESTION AGAIN
SLBOK: TRZ P1,3
MOVEM P1,UNISLB##(U) ;STORE NEW VALUE
PUSHJ P,REFCHU ;UNIT NEEDS "HOME" BLOCKS REWRITING, STR REFRESHING
;HERE TO CHANGE AND/OR TYPE PARAMETRS THAT DON'T REQUIRE REFRESHING
TYPUNN: SKIPN SHUTUP ;SKIP IF SHORT DIALOG
JRST TYPUN0 ;JUMP IF NOT
LDB P1,UNYSPU## ;GET NUMBER OF SATS ON UNIT
JRST SICOK ;MAKE INTO #SATS IN CORE
TYPUN0: MOVEI T1,[ASCIZ .
Parameters that do not require refreshing:.]
PUSHJ P,SVMOUT ;ADD CRLF & O/P MSG.
MOVEI P2,0 ;PRETEND UNIT HAS NO STR SO CALLS TO REFCHU
; WILL NOT SET STR NEEDS REFRESHING FLAG(STRREF)
MOVE P1,UNIHID##(U) ;GET THE UNIT ID
ASKUID: MOVEI T1,[ASCIZ .Zero unit ID - New ID needed.] ;ASSUME NO UNIT ID
TLNN P1,777777 ;AVOID 0,,JUNK
TDZA P1,P1 ;CLEAR OUT JUNK
MOVEI T1,[ASCIZ .Unit ID is .]
PUSHJ P,ASKSIX ;TYPE MSG. & TEXT(GET RESPONSE IF TYPONL=0)
JUMPL T1,ASKNSC ;TYPONL=-1, CR OR NO CHANGE IN VALUE
JUMPE P1,ASKUID ;NO - USER MUST SPECIFY NEW ID
MOVEM P1,UNIHID##(U) ;STORE NEW VALUE
PUSHJ P,REFCHU ;UNIT NEEDS HOME BLOCKS REWRITTEN
ASKNSC: LDB T1,UNYSPU## ;GET NUMBER OF SAT BLOCK ON UNIT
MOVEM T1,MAX ;CAN'T HAVE MORE THAN THAT IN CORE
MOVEI T1,1 ;MUST HAVE AT LEAST 1 SAT BLOCK
MOVEM T1,MIN ;IN CORE
MOVEI T1,[ASCIZ .Number of SAT blocks in core = .]
LDB P1,UNYSIC##
PUSHJ P,ASKDMM ;TYPE MSG. & VALUE(GET NEW VALUE IF TYPONL=0)
JUMPL T1,CPOPJ## ;TYPONL=-1, CR OR NO CHANGE IN VALUE
LDB T2,UNYSPU## ;GET # SATS ON UNIT
CAMG P1,T2 ;# SATS IN CORE SHOULDN'T EXCEED # SATS ON UNIT
JRST ZERSIC ;THEY DON'T
MOVEI T1,[ASCIZ .?Cannot exceed # SAT blocks on unit = .]
MOVE P1,T2 ;GET # SATS ON UNIT INTO KOSHER AC
PUSHJ P,DECLOP ;TYPE MSG. & VALUE
JRST ASKNSC ;ASK QUESTION AGAIN
ZERSIC: ;NO SATS IN CORE ISN'T ALLOWED EITHER
PUSHJ P,CANTB0 ;TYPE 'CANNOT BE 0' IF P1 = 0
JRST ASKNSC ;P1 = 0 - ASK QUESTION AGAIN
SICOK: DPB P1,UNYSIC## ;STORE NEW VALUE
PJRST REFCHU ;UNIT NEEDS "HOME" BLOCKS REWRITING
DMKUNI: HLRZ U,SYSUNI## ;GET 1ST UNIT DATA BLOCK
DMKUN1: MOVSI T1,UNPWPO## ;OFF LINE AND WRITE PROTECT BITS
TDNE T1,UNIDES##(U) ;SKIP IF ON LINE
JRST DMKUN3 ;GET NEXT UNIT AND PROCEED
LDB J,UNYKTP## ;GET KONTROLLER TYPE IN J
MOVE T1,TIME## ;SET UP RANDOM TEMPORARY UNIT ID
ADD T1,U ;ADD IN THE UNIT DATA BLOCK ADRESS
XOR T1,THSDAT## ;OR THE DATE IN-THIS CREATES UNIQUE NUMBER.
MOVE T2,[XWD -1,505050]
ANDCAM T2,T1 ;GET RID OF ALL BUT 3 NUMBERS
MOVE T2,[XWD 'ONC',202020] ;MAKE SURE ALL IS SIXBIT
IORM T2,T1 ;PUT IT IN
MOVEM T1,UNIHID##(U) ;USE IT AS A UNIQUE ID
MOVE T1,[XWD LBNHOM##,LB2HOM##] ;STANDARD HOM BLOCKS AT 1 AND 10
PUSHJ P,ASKSPU ;GET UP SATS PER UNIT
PUSHJ P,ASKK4S ;GO TO THIS SUBROUTINE FOR REST OF STUFF.
DMKUN2: HLRZ U,UNISYS##(U) ;GET NEXT UNIT
JUMPN U,DMKUN1 ;IF IT EXISTS, CONTINUE
POPJ P, ;OR ELSE, WERE DONE.
DMKUN3: SETZ T1,
DPB T1,UNYSIC## ;NO SATS IN CORE FOR DONW UNITS
JRST DMKUN2 ;GET NEXT UNIT
CHGSTA: MOVEI T1,[ASCIZ .
Type structure name to change its parameters (<CR> if none, ALL if all).]
PUSHJ P,ASKSTR ;TYPE MSG. & GET RESPONSE
POPJ P, ;CR WAS TYPED - EXIT
PUSHJ P,TYNMSG ;TYPE INSTRUCTIONS & CLEAR THE TYPE ONLY FLAG
PUSHJ P,DSKPLP ;TYPE & CHANGE PARAMETRS
JRST CHGSTA ;ASK QUESTION AGAIN IF "ALL" WAS NOT TYPED
POPJ P, ;"ALL" WAS TYPED - EXIT
TYPSTA: MOVEI T1,[ASCIZ .
Type structure name for a list of its parameters (<CR> if none, ALL if all).]
PUSHJ P,ASKSTR ;TYPE MSG. & GET RESPONSE
POPJ P, ;CR WAS TYPED - EXIT
SETOM TYPONL ;SET TYPE ONLY FLAG
PUSHJ P,DSKPLP ;TYPE PARAMETRS
JRST TYPSTA ;ASK QUESTION AGAIN IF "ALL" WAS NOT TYPED
POPJ P, ;"ALL" WAS TYPED - EXIT
DSKPLP: JUMPN P2,TYPSTP ;WAS "ALL" TYPED?(P2 RETURNED 0 FROM ASKSTR)
HLRZ P2,SYSSTR## ;YES - GET ADR. OF 1ST. STR DATA BLOCK IN SYSTEM
JUMPE P2,CPOPJ1## ;SKIP RETURN IF THERE ISN'T ONE
DSKPL1: PUSHJ P,SVOSET ;INITIALIZE CTY BUFFER
PUSHJ P,SCRLFO ;O/P A CRLF
PUSHJ P,SVOSET ;INITIALIZE CTY BUFFER
PUSHJ P,SPSNAM ;PUT STR NAME IN BUFFER
PUSHJ P,SOPOUT ; & O/P IT
PUSHJ P,TYPSTP ;TYPE PARAMETERS FOR THIS STR
HLRZ P2,STRSYS##(P2) ;GET ADR. OF NEXT STR DATA BLOCK IN SYSTEM
JUMPN P2,DSKPL1 ;REPEAT IF NOT LAST ONE
JRST CPOPJ1## ;SKIP RETURN
TYNMSG: MOVEI T1,[ASCIZ .
After each printing of current value, type new value or <CR>.]
SETZM TYPONL ;CLEAR TYPE ONLY FLAG
PJRST SVMOUT ;ADD CRLF & O/P MSG.
TYPONL: 0
TYPSTP: JSP T2,SVOTAC ;SAVE P4,F,U & J
HLRZ U,STRUNI##(P2) ;GET ADR. OF 1ST. UNIT DATA BLOCK IN STR
JUMPE U,CPOPJ## ;IF NO UNITS IN THIS STR - EXIT
MOVEI T1,[ASCIZ .
Parameters that do not require refreshing:.]
PUSHJ P,SVMOUT ;ADD CRLF & O/P MSG.
MOVEI T1,1
MOVEM T1,MIN ;MUST HAVE 1 BLOCK TRIED FOR ON OUTPUT
MOVE T1,STRSIZ##(P2)
TLNE T1,-1
MOVEI T1,-1
MOVEM T1,MAX ;MAY HAVE WHOLE LEFT HALF
TYPPR1: MOVEI T1,[ASCIZ .Number of consecutive blocks tried for on output = .]
HLRZ P1,UNIGRP##(U)
PUSHJ P,ASKDMM ;TYPE MSG. & VALUE(GET NEW VALUE IF TYPONL=0)
JUMPL T1,ASKBGA ;TYPONL=-1, CR OR NO CHANGE IN VALUE
PUSHJ P,CANTB0 ;TYPE 'CANNOT BE 0' IF P1 = 0
JRST TYPPR1 ;P1 = 0 - ASK QUESTION AGAIN
;HERE TO STORE NEW VALUE OF UNIGRP IN ALL UNIT DATA BLOCKS IN THIS STR
TYPPR2: HRLM P1,UNIGRP##(U) ;STORE NEW VALUE IN THIS UNIT DATA BLOCK
HLRZ U,UNISTR##(U) ;GET NEXT UNIT DATA BLOCK ADR. IN THIS STR
JUMPN U,TYPPR2 ;STORE VALUE IN IT
PUSHJ P,CHGSTR ;SET 'UNPCHG' BIT FOR ALL UNITS IN STR
ASKBGA: MOVEI P1,0
REPEAT 0,<
SETZM MIN ;MAY HAVE 0 RESERVED
MOVE T1,STRSIZ##(P2) ;MAX IS SIZE OF STR
MOVEM T1,MAX
MOVEI T1,[ASCIZ .Sum of blocks guaranteed to users = .]
MOVE P1,STRGAR##(P2)
PUSHJ P,ASKDMM ;TYPE MSG. & VALUE(GET NEW VALUE IF TYPONL=0)
JUMPL T1,ASKBOU ;TYPONL=-1, CR OR NO CHANGE IN VALUE
CAMG P1,STRSIZ##(P2) ;MORE BLOCKS THAN IN STR?
JRST ASKBG2 ;NO
MOVEI T1,[ASCIZ .?Cannot exceed the number of blocks in file structure = .]
MOVE P1,STRSIZ##(P2)
PUSHJ P,DECLOP ;TYPE MSG. & VALUE
JRST ASKBGA ;ASK QUESTION AGAIN
>
ASKBG2: MOVEM P1,STRGAR##(P2) ;STORE NEW VALUE
PUSHJ P,CHGSTR ;SET 'UNPCHG' BIT FOR ALL UNITS IN STR
ASKBOU: MOVEI T1,[ASCIZ .Number of blocks allowed for overdraw per user = .]
MOVM P1,STROVR##(P2)
PUSHJ P,ASKDMM ;TYPE MSG. & VALUE(GET NEW VALUE IF TYPONL=0)
JUMPL T1,TYPSTN ;TYPONL=-1, CR OR NO CHANGE IN VALUE
CAMG P1,STRSIZ##(P2) ;MORE BLOCKS THAN IN STR?
JRST ASKBO1 ;NO - GO STORE NEW VALUE
MOVEI T1,[ASCIZ .?Cannot exceed # blocks in file structure = .]
MOVE P1,STRSIZ##(P2)
PUSHJ P,DECLOP ;TYPE MSG. & VALUE
JRST ASKBOU ;ASK QUESTION AGAIN
ASKBO1: MOVNM P1,STROVR##(P2) ;STORE NEW VALUE
PUSHJ P,CHGSTR ;SET 'UNPCHG' BIT FOR ALL UNITS IN STR
TYPSTN:
IFN FTPSTR,<
SKIPL TYPONL ;ASKING
JRST ASKPRV ;YES, GO ASK
MOVEI T1,[ASCIZ .Not private.]
LDB T2,STYPVS##
SKIPE T2 ;PRIVATE
MOVEI T1,[ASCIZ .Private structure.]
PUSHJ P,SVMOUT ;TELL WHICH
JRST TYPPPN
ASKPRV: MOVEI T1,[ASCIZ .
Is this a private structure? (Type Y if private, N if no access restrictions)
.]
PUSHJ P,ASKQUE ;ASK HIM
TDZA T1,T1 ;HE SAID NO
MOVEI T1,1 ;HE SAID YES
LDB T2,STYPVS## ;GET CURRENT SETTING
DPB T1,STYPVS## ;STORE NEW SETTING
CAME T1,T2 ;DID IT CHANGE?
PUSHJ P,CHGALL ;YES, NOTE THAT
>
; OWNER PPN
;
TYPPPN: MOVEI T1,[ASCIZ |Owner PPN is |]
SKIPN STRPPN##(P2) ;IS THERE A PPN
MOVEI T1,[ASCIZ |Owner PPN is not set|]
PUSHJ P,ICONM## ;TYPE TEXT
SKIPE T2,STRPPN##(P2) ;GET PPN
PUSHJ P,PPNTYO ;TYPE IT
PUSHJ P,CRLFOP ;ADD CRLF
SKIPGE TYPONL ;ASKING?
JRST TYPSET ;NO
JRST ASKPPN ;YES
PPNTYO: MOVEI T3,"[" ;GET A BRACKET
PUSHJ P,COMTYO## ;TYPE IT
HLRZ T1,STRPPN(P2) ;GET PROJECT NUMBER
CAIN T1,777777 ;WILD?
JRST [MOVEI T3,"*" ;GET WILDCARD CHARACTER
PUSHJ P,COMTYO## ;TYPE IT
JRST PPNTY1] ;ONWARD
PUSHJ P,PRTDI8## ;TYPE PROJECT NUMBER
PPNTY1: MOVEI T3,"," ;GET COMMA
PUSHJ P,COMTYO## ;TYPE IT
HRRZ T1,STRPPN(P2) ;GET PROGRAMMER NUMBER
CAIN T1,777777 ;WILD?
JRST [MOVEI T3,"*" ;GET WILDCARD CHARACTER
PUSHJ P,COMTYO## ;TYPE IT
JRST PPNTY2] ;ONWARD
PUSHJ P,PRTDI8## ;TYPE PROGRAMMER NUMBER
PPNTY2: MOVEI T3,"]" ;GET CLOSING BRACKET
PJRST COMTYO## ;TYPE IT AND RETURN
ASKPPN: MOVEI T1,[ASCIZ |
Do you want to change the owner PPN? (<CR> if no)
|]
JSP T2,SVOTAC ;SAVE SOME ACS
PUSHJ P,YESNO## ;GET ANSWER
JRST TYPSET ;OPR SAID NO
MOVEI T1,[ASCIZ |
Enter PPN as [proj#,prog#] or <CR> to clear it
|]
PUSHJ P,GTPPN## ;GET THE PPN
SETZ T1, ;OPR TYPED <CR>
MOVE T2,STRPPN##(P2) ;GET ORIGINAL VALUE
MOVEM T1,STRPPN##(P2) ;STORE OWNER'S PPN
CAME T1,T2 ;PPN CHANGE?
PUSHJ P,CHGALL ;YES - REMEMBER IT
; JRST TYPSET
; SET NUMBER
;
TYPSET:
IFN FTSETS,<
LDB P1,STYSET## ;GET SET NUMBER
CAIL P1,^D1 ;"NONE"
CAILE P1,^D36 ; OR "ALL"?
SKIPA ;YES
JRST TYPSE1 ;NO
MOVEI T1,[ASCIZ |Structure belongs to NO set|]
SKIPN P1 ;TRUE?
MOVEI T1,[ASCIZ |Structure belongs to the ALL set|]
PUSHJ P,ICONM## ;START MESSAGE
JRST TYPSE2 ;FINISH IT
TYPSE1: MOVEI T1,[ASCIZ |Structure belongs to set number |]
PUSHJ P,ICONM## ;START MESSAGE
MOVE T1,P1 ;GET SET NUMBER
PUSHJ P,RADX10## ;PRINT IT
TYPSE2: PUSHJ P,CRLFOP ;ADD CRLF AND FORCE OUTPUT
SKIPGE TYPONL ;ASKING?
JRST TYPNRF ;NO
ASKSET: MOVEI T1,[ASCIZ |
Do you want to change the set to which the structure belongs? (<CR> if no)
|]
JSP T2,SVOTAC ;SAVE AC'S
PUSHJ P,YESNO## ;DO THEY WANT TO CHANGE?
JRST TYPNRF ;NO
MOVEI T1,[ASCIZ |
Enter set number, or "ALL", or <CR> for NO set
|]
PUSHJ P,GETSET## ;DO IT IN ONCE
MOVEI T1,^D36+1 ;JUST <CR>, THAT'S THE "NO" SET
LDB T2,STYSET## ;GET OLD SET
DPB T1,STYSET## ;SAVE NEW
CAME T1,T2 ;DID IT CHANGE?
PUSHJ P,CHGALL ;YES, FLAG REWRITE HOME BLOCKS
; JRST TYPNRF ;FALL INTO TYPNRF
>; END IFN FTSETS
TYPNRF: MOVEI T1,[ASCIZ .
Parameters that require refreshing:.]
PUSHJ P,SVMOUT ;ADD CRLF & O/P MSG.
SETZM MIN ;MINIMUM IS 0 K FOR CRASH.EXE
MOVEI T1,^D4096 ;MAX K FOR CRASH.SAV IS 4096K IF MORE THAN 256K
; IS SUPPORTED
IFN FTCIDSK,<
HLRZ U,STRUNI##(P2) ;GET ADDRESS OF FIRST UDB IN STRUCTURE
LDB T2,UNYKTP## ;GET KONTROLLER TYPE
CAIN T2,TYPRA## ;CI DISK?
SETZ T1, ;YES, NO CRASH ALLOWED
>; END IFN FTCIDSK
MOVEM T1,MAX ;MAX K FOR CRASH.SAV IS 256
ASKK4C: MOVEI T1,[ASCIZ /Number of K for CRASH.EXE = /]
HRRZ P1,STRK4C##(P2)
PUSHJ P,ASKDMM ;TYPE MSG. & VALUE(GET RESPONSE IF TYPONL=0)
JUMPL T1,ASKBP2 ;TYPONL=-1, CR OR NO CHANGE IN VALUE
CAMG P1,MAX ;SEE IF VALUE EXCEEDS MAX. AMOUNT OF CORE POSSIBLE
JRST K4COK ;IT DOESN'T - GO STORE NEW VALUE
PUSHJ P,CANTEX ;TYPE 'CANNOT EXCEED' & VALUE
JRST ASKK4C ;ASK QUESTION AGAIN
K4COK: HRRZ T1,STRK4C##(P2) ;GET CURRENT VALUE
HRRM P1,STRK4C##(P2) ;STORE NEW VALUE
PUSHJ P,TRFCHS ;STR NEEDS REFRESHING, UNIT'S "HOME" BLOCKS REWRITING
ASKBP2: AOS T1,MIN ;MUST HAVE 1 BLOCK PER CLUSTER
LSH T1,LIMBPC## ;COMPUTE MAX. # OF BLOCKS PER CLUSTER+1
SUBI T1,1 ;MAXIMUM BLOCKS PER CLUSTER
MOVEM T1,MAX
ASKBPC: HLRZ U,STRUNI##(P2) ;GET 1ST. UNIT DATA BLOCK ADR. IN THIS STR
MOVEI T1,[ASCIZ .Blocks per cluster = .]
LDB P1,UNYBPC##
PUSHJ P,ASKDMM ;TYPE MSG. & VALUE(GET RESPONSE IF TYPONL=0)
JUMPL T1,TYPCLT ;TYPONL=-1, CR OR NO CHANGE IN VALUE
PUSHJ P,CANTB0 ;TYPE 'CANNOT BE 0' IF P1 = 0
JRST ASKBPC ;P1 = 0 - ASK QUESTION AGAIN
CAMG P1,MAX ;IS NEW VALUE < LIMIT
JRST BPCOK ;YES - GO STORE NEW VALUE IN ALL UNIT DATA BLOCKS
PUSHJ P,CANTEX ;TYPE 'CANNOT EXCEED' & VALUE
JRST ASKBPC ;ASK QUESTION AGAIN
BPCOK: PUSHJ P,BPCSTO ;STORE BPC AND SET UP STYCLP
TYPCLT: MOVEI T1,[ASCIZ /Therefore bits per cluster adr. = /]
LDB P1,[POINT 6,STYCLP##(P2),11]
PUSHJ P,DECLOP ;TYPE MSG. & VALUE
MOVEI T1,[ASCIZ .Therefore blocks per super-cluster = .]
HLRZ P1,STRBSC##(P2)
PUSHJ P,DECLOP ;TYPE MSG. & VALUE
MOVEI T1,[ASCIZ .Therefore super-clusters per unit = .]
HRRZ P1,STRSCU##(P2)
PUSHJ P,DECLOP ;TYPE MSG. & VALUE
PUSHJ P,SVOSET
SKIPL TYPONL ;SKIP IF ONLY TYPING PARAMS
PUSHJ P,SCRLFO ;EXTRA CRLF BEFORE NEXT QUESTION
LDB T3,[POINT 6,STYCLP##(P2),11]
MOVN T2,T3
ADDI T2,^D36
CAILE T2,LIMCNP## ;MAKE SURE DOESNT EXCEED LIMCMP
MOVEI T2,LIMCNP##
MOVEM T2,MAX ;THAT MIN IS MAX
ASKBCC: MOVEI T1,[ASCIZ .Bits per cluster count = .]
LDB P1,[POINT 6,STYCNP##(P2),11]
PUSHJ P,ASKDMM ;TYPE MSG. & VALUE(GET NEW VALUE IF TYPONL=0)
JUMPL T1,TYPBCK ;TYPONL=-1, CR OR NO CHANGE IN VALUE
PUSHJ P,CANTB0 ;TYPE 'CANNOT BE 0' IF P1 = 0
JRST ASKBCC ;P1 = 0 - REPEAT QUESTION
CAMG P1,MAX
JRST CNPOK
PUSHJ P,CANTEX ;TYPE 'CANNOT EXCEED' & VALUE
JRST ASKBCC
CNPOK: PUSHJ P,CNPSTO
TYPBCK: MOVEI T1,[ASCIZ .Therefore bits per checksum = .]
LDB P1,[POINT 6,STYCKP##(P2),11]
PJRST DECLOP ;TYPE MSG. & VALUE
KILSTR: HLRZ U,SYSUNI##
KLSTR2: SETZM UNISTR##(U)
SETZM UNILOG##(U)
HRRZS UNIGRP##(U)
SETZ T1,
DPB T1,UNYBPC##
PUSHJ P,SETCHG
HLRZ U,UNISYS##(U)
JUMPN U,KLSTR2
MOVE T1,STRAOB## ;CLEAR TABSTR
SETZM TABSTR##(T1)
AOBJN T1,.-1
POPJ P,
ASKDIS: MOVEI T1,[ASCIZ .Type structure name to be dissolved (<CR> if none, ALL if all).]
SKIPE SYSSTR## ;DON'T TYPE MSG. IF NO STR'S
PUSHJ P,ASKSTR ;TYPE MSG. & GET RESPONSE
POPJ P, ;CR WAS TYPED - EXIT
JUMPN P2,ASKDS2 ;WAS "ALL" TYPED?(P2 RETURNED 0 FROM ASKSTR)
HLRZ P2,SYSSTR## ;YES - GET 1ST. STR DATA BLOCK ADR. IN SYSTEM
MOVEI P3,DIFSTR## ;SETUP P3 AS PREDECESSOR STR DATA BLOCK
ASKDS1: PUSHJ P,DISSTR ;DISSOLVE STR
HLRZ P2,STRSYS##(P2) ;GET NEXT STR DATA BLOCK ADR. IN SYSTEM
JUMPN P2,ASKDS1 ;REPEAT IF NOT LAST ONE
POPJ P, ;EXIT
ASKDS2: PUSHJ P,DISSTR ;DISSOLVE STR
JRST ASKDIS ;ASK QUESTION AGAIN
DISSTR: HLRZ U,STRUNI##(P2) ;GET ADR. OF 1ST. UNIT DATA BLOCK IN STR
JUMPE U,DISST2 ;JUST UNLINK STR IF IT HAS NO UNITS
PUSHJ P,DISST1 ;GO TAKE CARE OF ALL UNITS IN STR
DISST2: HLL T3,STRSYS##(P2) ;GET ADR. OF NEXT STR DATA BLOCK IN SYSTEM
HLLM T3,STRSYS##(P3) ; & LINK IT TO PREDECESSOR DATA BLOCK(OR SYSSTR)
SKIPL T1,STRSRC##(P2) ;WAS THIS STR IN SSL?
PUSHJ P,FIXSSL ;YES, CLOSE UP THE SLOT
SKIPL T1,STRSDL##(P2) ;WAS THIS STR IN SDL?
PUSHJ P,FIXSDL ;YES, CLOSE UP THE SLOT
HRRZ T1,STRFSN##(P2) ;GET THIS STR'S LOG. #
SETZM TABSTR##(T1) ;INDICATE STR NO LONGER EXISTS
POPJ P, ;RETURN - DON'T WORRY ABOUT RETURNING CORE
; AS REDHOM MUST BE CALLED AGAIN
DISST1: SETZB T3,UNILOG##(U) ;CLEAR OUT NAME OF LOGICAL UNIT WITHIN STR
EXCH T3,UNISTR##(U) ;CLEAR OUT LINKS TO STR & NEXT UNIT DATA BLOCKS
HRRZS UNIGRP##(U) ;CLEAR # CLUSTERS TRIED FOR ON O/P
MOVEI T1,0
DPB T1,UNYBPC## ;CLEAR # BLOCKS PER CLUSTER
PUSHJ P,SETCHG ;FLAG THAT THIS UNIT'S "HOME" BLOCK MUST BE REWRITTEN
HLRZ U,T3 ;GET NEXT UNIT DATA BLOCK ADR.
JUMPN U,DISST1 ;REPEAT IF THERE IS ONE
POPJ P,
ASKDEF: PUSHJ P,ALLINS ;SKIP IF ANY UNITS NOT IN FILE STRUCTURES
POPJ P,
MOVEI T1,[ASCIZ .Type structure name to be defined (<CR> if none).]
PUSHJ P,CONOUT ;O/P MSG. & ADD CRLF
PUSHJ P,GETLIN## ;GET USER'S RESPONSE
JRST DEMSTR ;JUST CR TYPED - EXIT ONLY IF AT LEAST ONE STR EXISTS
PUSHJ P,ALTM ;IN CASE OF $ COP OUT
PUSHJ P,CTEXT## ;GET SIXBIT STR NAME
MOVE T1,T2 ;GET SIXBIT NAME INTO KOSHER AC FOR FNSTR
PUSHJ P,FNSTR ;SEE IF STR ALREADY EXISTS
JRST DEFNEW ;IT DOESN'T
MOVEI T1,[ASCIZ .?Structure already exists.]
PUSHJ P,CONOUT ;ADD CRLF & O/P MSG.
JRST ASKDEF ;ASK QUESTION AGAIN
DEMSTR: SKIPN SYSSTR## ;DO ANY STR'S EXIST?
JRST ASKDEF ;NO - AT LEAST ONE STR MUST BE DEFINED
POPJ P, ;EXIT
DEFNEW: PUSH P,T1 ;SAVE STR NAME
PUSHJ P,GETSTR ;CREATE STR DATA BLOCK IN UPPER CORE & ZERO IT OUT
SKIPA T1,[[ASCIZ .
?Too many file structures
.]]
JRST DEFNE1
POP P,T2 ;POP OFF STR NAME
PJRST CONOUT ;TYPE MSG.
DEFNE1: POP P,STRNAM##(P2) ;RESTORE SIXBIT STR NAME IN STR DATA BLOCK
HLLOS STRUNI##(P2) ;INDICATE STR MUST BE REFRESHED
SETOM STRSRC##(P2) ;NOT IN SYS SEARCH LIST
SETOM STRSDL##(P2) ;NOT IN SYSTEM DUMP LIST
DEFNE2: MOVEI T1,[ASCIZ .Type names of physical units in structure
(ALL if all, extra <CR> when done).]
PUSHJ P,CONOUT ;O/P MSG. & ADD CRLF
MOVEI P3,STRUNI##(P2) ;MAKE ADR. OF LINK TO 1ST. UNIT DATA BLOCK IN STR
; LOOK LIKE A PREDECESSOR UNIT DATA BLOCK
SETZ P1,
GETNXT: PUSHJ P,GETUNI ;GET USER'S RESPONSE
JRST NXTPST ;JUST CR TYPED - ASK FOR NEXT STR NAME
JUMPE U,ALLUNI ;WAS "ALL" TYPED?
PUSHJ P,INSUNI ;NO - JUST PUT THIS UNIT INTO THE STR
JRST DEFNE2 ;UNIT ALREADY IN AN STR
PUSHJ P,HGHSIZ ;COMPUTE STRHGH & STRSIZ FOR THIS STR
JRST GETNXT ;GET THE NEXT UNIT
NXTPST: PUSHJ P,PARSET ;SET UP DEFAULTS
JRST ASKDEF
ALLUNI: HLRZ U,SYSUNI## ;NO - USE ALL UNITS IN THE SYSTEM
ALLUN1: MOVSI T1,UNPWPO## ;WRITE PROTECT AND OFFLINE BITS
TDNN T1,UNIDES##(U) ;SKIP IF LOCKED OR OFFLINE
SKIPE UNISTR##(U) ;SKIP IF ALREADY IN AN STR
JRST ALLUN2 ;SKIP THIS UNIT
PUSHJ P,INSUNI ;PUT THIS UNIT INTO STR
JRST DEFNE2 ;UNIT ALREADY IN AN STR
ALLUN2: HLRZ U,UNISYS##(U) ;GET NEXT UNIT IN THE SYSTEM
JUMPN U,ALLUN1 ;REPEAT IF THERE IS ONE
HLRZ U,STRUNI##(P2) ;GET ADR. OF 1ST. UNIT DATA BLOCK IN STR
PUSHJ P,HGHSIZ ;COMPUTE STRHGH & STRSIZ FOR THIS STR
PJRST PARSET ;SET DEFAULTS AND EXIT
HGHSIZ: MOVE T1,UNIBPU##(U) ;GET # BLOCKS ON UNIT
ADDM T1,STRSIZ##(P2) ;ADD TO TOTAL # BLOCKS IN STR
MOVE T1,STRBPU##(P2) ;GET MAX. # BLOCKS PER UNIT IN STR
ADDM T1,STRHGH##(P2) ;ADD TO HIGHEST LOG. BLOCK # IN STR
HLRZ U,UNISTR##(U) ;GET ADR. OF NEXT UNIT DATA BLOCK IN STR
JUMPN U,HGHSIZ ;REPEAT IF ANY LEFT
SOS STRHGH##(P2) ;MAKE STRHGH BE HIGHEST LOG. BLOCK # IN STR
POPJ P, ;RETURN
INSUNI: HRRZ T1,UNISTR##(U) ;SEE IF THIS UNIT IS ALREADY IN AN STR
JUMPE T1,INSUN1 ;T1 = 0 IF IT ISN'T
MOVEI T1,[ASCIZ .
?Unit already in file structure
.]
PJRST CONOUT ;TYPE MSG. & EXIT
INSUN1: HRLM U,(P3) ;LINK THIS UNIT DATA BLOCK TO PREVIOUS ONE
HRRZM P2,UNISTR##(U) ;ATTACH THIS UNIT DATA BLOCK TO THIS STR
HRRZ T1,STRUNM##(P2) ;GET LOGICAL UNIT # WITHIN STR
DPB T1,UNYLUN## ;SAVE IT IN UNIT DATA BLOCK
PUSHJ P,CMPLOG ;COMPUTE SIXBIT LOGICAL UNIT NUM, STORE IN UNILOG
MOVE T1,UNIBPU##(U)
CAMLE T1,STRBPU##(P2)
MOVEM T1,STRBPU##(P2)
CAIE P1,0 ;SKIP IF 1ST UNIT
CAMGE T1,UNIBPU##(P1) ;COMPARE WITH SMALLEST SO FAR
MOVE P1,U ;SAVE ADDR OF SMALLEST IN P1
AOS STRUNM##(P2) ;INCREMENT # OF UNITS IN STR
PUSHJ P,SETCHG ;FLAG THAT UNIT'S "HOME" BLOCKS MUST BE REWRITTEN
MOVEI P3,UNISTR##(U) ;MAKE CURRENT UNIT PREDECESSOR
JRST CPOPJ1## ;SKIP RETURN
;SUBROUTINE TO SET DEFAULTS IN STR DATA BLOCK
;ARGS P1=ADDR OF SMALLEST UNIT IN STR
PARSET: MOVE U,P1 ;U=ADDR OF SMALLEST UNIT IN STR
LDB P1,UNYKTP## ;CONTROLLER TYPE OF SMALLEST UNIT
MOVE T2,GRPDEF(P1) ;UNIGRP DEFAULT
MOVE T1,[HRLM T2,UNIGRP##(U)]
PUSHJ P,STOUNI ;STORE IN ALL UNIT DATA BLOCKS
PUSH P,P1 ;SAVE CONTROLLER TYPE
MOVE P1,BPCDEF(P1) ;P1 IS ARG FOR BPCSTO
PUSHJ P,BPCSTO ;STORE BPC AND SET UP BYTE POINTERS
MOVE T3,(P) ;CONTROLLER TYPE TO T3
MOVE P1,CNPDEF(T3) ;DEFAULT BITS PER CLUSTER COUNT FIELD
LDB T3,[POINT 6,STYCLP##(P2),11] ;BITS PER CLUSTER ADDR FIELD
PUSHJ P,CNPSTO ;STORE THAT IN BYTE POINTERS
POP P,P1 ;RESTORE CONTROLLER TYPE
MOVE T1,GARDEF(P1) ;DEFAULT RESERVE
MOVEM T1,STRGAR##(P2)
MOVE T1,OVRDEF(P1) ;DEFAULT OVERDRAW
MOVNM T1,STROVR##(P2) ;STORED NEGATIVE
SKIPGE T1,K4CDEF(P1) ;GET K FOR CRASH.EXE
MOVEI T1,M.NKC## ;-1 MEANS USE DEFAULT FROM MONGEN
HRRM T1,STRK4C##(P2) ;K FOR CRASH.SAV
PJRST CHGALL ;SET BIT TO WRITE OUT HOME BLOCKS
;SUBROUTINE TO CLOSE UP SLOTS IN SDL AND SSL WHEN DISSOLVING AN STR
;ARGS T1=POSITION IN SDL/SSL OF DISSOLVED STR
FIXSSL: SETZM PRESSL## ;FORGET PRESERVED SSL
PUSHJ P,SAVE4## ;SAVE P1-P4
DMOVE P3,[CAML P1,STRSRC##(P2) ;INSTRUCTIONS TO TEST
SOS STRSRC##(P2)] ;...
JRST FIXSSD ;ON YOUR WAY
FIXSDL: SETZM PRESDL## ;FORGET PRESERVED SDL
PUSHJ P,SAVE4## ;SAVE P1-P4
DMOVE P3,[CAML P1,STRSDL##(P2) ;INSTRUCTIONS TO TEST
SOS STRSDL##(P2)] ;...
FIXSSD: MOVE P1,T1 ;COPY POSITION OF DISSOLVED STR
MOVEI P2,SYSSTR##-STRSYS## ;SET LINK FOR FIRST STRUCTURE
FIXSS1: HLRZ P2,STRSYS##(P2) ;GET NEXT STRUCTURE
JUMPE P2,CPOPJ## ;RETURN IF JUST CHECKED LAST STR
XCT P3 ;THIS STR AFTER THE ONE WHICH WAS JUST DISSOLVED?
JRST FIXSS1 ;NO
XCT P4 ;YES, MOVE IT DOWN ONE PLACE
PUSHJ P,CHGALL ;FLAG UNITS AS NEEDING THEIR HOME BLOCKS REWRITTEN
JRST FIXSS1 ;LOOP FOR MORE
;ROUTINE TO SETUP THE DEFAULT STRUCTURE DATA BASE FOR THE DESTROY
;OPTION. USES THE FOLLOWING TABLES IN COMMOD TO DRIVE THE ALGORITHM:
; ONC'XX'S - LIST OF STRUCTURE NAMES FOR KONTROLLER TYPE XX.
; ONC'XX'Z - NUMBER OF UNITS TO PUT INTO SPECIFIED STRUCTURE.
;CALL:
; JSP T2,SVOTAC ;SAVE AC'S
; PUSHJ P,DMKSTR
; RETURN HERE ALWAYS
DMKSTR: PUSHJ P,KILSTR ;CLEAR OUT ALL STRS BEFORE YOU BEGIN
MOVEI J,0 ;INIT INDEX INTO CONTROLLER TABLES
DSTR1: SKIPN KONTBL(J) ;END OF TABLE?
POPJ P, ;YES--RETURN
MOVEI T4,0 ;INITIALIZE ONC'XX'S OFFSET
MOVEI U,DIFUSY## ;START AT THE FIRST UDB IN SYSTEM
DSTR2: PUSHJ P,FNDUTP ;FIND NEXT UDB OF THIS TYPE
AOJA J,DSTR1 ;NONE FOUND, TRY NEXT TYPE
DSTR3: SKIPE MUSDEF(J) ;ADD THIS UNIT TYPE TO A STR?
SKIPN T1,SSNDEF(J) ;YES--GET 1ST STR NAME ADDRESS (IF ANY)
AOJA J,DSTR1 ;NO TABLE, OR ZERO ENTRY IN TABLE
MOVE T2,T4 ;GET INCREMENT
PUSHJ P,GENSTR ;GENERATE A STRUCTURE NAME
AOJA J,DSTR1 ;ATTEMPT TO GENERATE AN ILLEGAL STR NAME
PUSH P,T1 ;SAVE STR NAME
PUSHJ P,FNSTR ;SET UP PREDECESSOR AND OTHER THINGS
CAIA ;ALWAYS SKIP
STOPCD .,STOP,AHS, ;++ALREADY HAVE STRUCTURE
PUSHJ P,GETSTR ;CREATE SDB AND ZERO IT OUT
STOPCD .,STOP,CGS, ;++CAN'T GET STR DATA BLOCK
POP P,STRNAM##(P2) ;PUT IN NAME
HLLOS STRUNI##(P2) ;SET NEEDS REFRESHING
MOVEI P3,STRUNI##(P2) ;MAKE 1ST UNIT PREDECESSOR
MOVEI P1,0 ;INITIALIZE CALL TO INSUNI
SETZM UNITS ;CLEAR UNITS COUNT.
DSTR4: PUSH P,T4 ;SAVE TABLE OFFSET
PUSHJ P,INSUNI ;ADD UNIT TO STR
STOPCD .,STOP,UIF, ;++UNIT ALREADY IN FILE STR
POP P,T4 ;RESTORE TABLE OFFSET
AOS T1,UNITS ;BUMP UNITS IN CURRENT STR COUNT
CAML T1,MUSDEF(J) ;PUT ENOUGH INTO THIS STRUCTURE?
JRST [PUSHJ P,COMPDF ;YES, CLOSE IT OFF
AOJA T4,DSTR2] ; AND DO NEXT STRUCTURE
PUSHJ P,FNDUTP ;FIND NEXT UNIT OF THIS TYPE
CAIA ;NONE LEFT
JRST DSTR4 ;FOUND ONE, PROCESS IT
PUSHJ P,COMPDF ;CLOSE OFF THE STRUCTURE
AOJA J,DSTR1 ;TRY NEXT TYPE
;ROUTINE TO FIND THE NEXT UNIT OF A SPECIFIED CONTROLLER TYPE.
;CALL: RH(J)=DESIRED TYPE
; U=UDB AT WHICH TO START SEARCH
; PUSHJ P,FNDUTP
; RETURN HERE IF NO MORE OF SPECIFIED TYPE
; RETURN HERE WITH U=UDB ADDRESS OF NEXT
FNDUTP: MOVSI T2,UNPWPO## ;OFF-LINE AND WRITE PROTECT BITS
FNDUT1: HLRZ U,UNISYS##(U) ;STEP TO NEXT UDB
JUMPE U,CPOPJ## ;NON-SKIP IF NO MORE
LDB T1,UNYKTP## ;GET KONTROLLER TYPE
TDNN T2,UNIDES##(U) ;UNIT IN REASONABLE SHAPE?
CAIE T1,(J) ;YES, MATCH THE DESIRED TYPE?
JRST FNDUT1 ;NO, LOOP
JRST CPOPJ1## ;GIVE SKIP RETURN WITH U=UDB
;ROUTINE TO CLOSE OFF A STRUCTURE WHEN THE LAST UNIT HAS BEEN
;INSERTED BY DMKSTR.
;CALL: P1=UDB ADDRESS OF SMALLEST UNIT IN STR (SETUP BY INSUNI)
; P2=STRUCTURE DATA BLOCK ADDDRESS
; PUSHJ P,COMPDF
; RETURN HERE ALWAYS
COMPDF: PUSH P,U ;SAVE U
HLRZ U,STRUNI##(P2) ;SETUP FIRST UDB IN STR
PUSHJ P,HGHSIZ ;COMPUTE STRHGH AND STRSIZ
PUSH P,T4 ;SAVE TABLE OFFSET
PUSHJ P,PARSET ;SET UP DEFAULTS
POP P,T4
JRST UPOPJ## ;RESTORE U AND RETURN.
; ROUTINE TO GENERATE A STRUCTURE NAME FOR THE DESTROY OPTION
; CALL: MOVE T1, BASE STR NAME
; MOVE T2, INCREMENT
; PUSHJ P,GENSTR
; <ERROR> ;ILLEGAL STR NAME (SUPPLIED OR GENERATED)
; <NORMAL> ;T1:= UPDATE STR NAME
;
GENSTR: PUSHJ P,SAVE4## ;SAVE SOME ACS
TRZE T1,7777 ;NO JUNK
POPJ P, ;CAN'T HAVE THAT
MOVE P1,[POINT 6,T1] ;BYTE POINTER TO STR NAME
MOVEI P2,0 ;INIT COUNTER
GENST1: ILDB P3,P1 ;GET A CHARACTER
JUMPE P3,GENST2 ;END OF STR NAME?
PUSHJ P,GENSTX ;CHECK CHARACTER
POPJ P, ;NO GOOD
MOVE P4,P1 ;SAVE BYTE POINTER
AOJA P2,GENST1 ;LOOP
GENST2: LDB P3,P4 ;GET LAST GOOD CHARACTER
ADDI P3,(T2) ;INCREMENT
PUSHJ P,GENSTX ;CHECK THE NEW CHARACTER
POPJ P, ;NO GOOD
DPB P3,P4 ;AND SAVE IT AWAY
MOVEI P3,0 ;GET A NUL
GENST3: IDPB P3,P4 ;CLEAR OUT CHARACTER
CAIGE P2,5 ;ZAPPED THE REST OF THE WORD?
AOJA P2,GENST3 ;NO--DO ANOTHER CHARACTER
JRST CPOPJ1 ;RETURN
; CHECK FOR A LEGAL CHARACTER
GENSTX: CAIL P3,'0' ;ALLOW ONLY
CAILE P3,'9' ; 0 THROUGH 9
CAIL P3,'A' ; AND
CAILE P3,'Z' ; A THROUGH Z
POPJ P, ;JUNK CHARACTER
JRST CPOPJ1 ;RETURN
BPCSTO: MOVE T1,[DPB P1,UNYBPC##];GET INSTR. TO BE EXECUTED BY STOUNI
PUSHJ P,STOUNI ;STORE VALUE IN EVERY UNIT IN STR
HLRZ U,STRUNI##(P2) ;GET ADR. OF 1ST. UNIT DATA BLOCK IN STR
LDB T1,UNYBPC## ;GET CURRENT # BLOCKS PER CLUSTER FOR THIS UNIT
PUSHJ P,TRFCHS
PUSHJ P,COMLCA ;COMPUTE LAST CLUSTER ADR. ON UNIT
JFFO T2,.+2 ;FIND POSITION OF 1ST. 1 BIT
MOVEI T3,^D35 ;NONE - BUT BYTE FIELD MUST BE AT LEAST 1 BIT WIDE
MOVN P1,T3 ;NEGATE FOR ADDI INSTR.
ADDI P1,^D36 ;COMPUTE FIELD WIDTH FOR CLUSTER ADR.
LDB T1,[POINT 6,STYCLP##(P2),11]
PUSHJ P,TRFCHS
DPB P1,[POINT 6,STYCLP##(P2),11] ;PUT IT IN BYTE POINTER
HLRZ U,STRUNI##(P2) ;GET ADR. OF 1ST. UNIT DATA BLOCK IN STR
LDB T3,UNYBPC## ;GET # BLOCKS/CLUSTER
MOVE T1,STRHGH##(P2) ;HIGHEST BLOCK IN STR
ADDI T1,-1(T3)
IDIVI T1,(T3)
HLRZ P1,T1 ;DIVIDE BY 2**18
ADDI P1,1 ;AND ROUND UP
IMUL P1,T3 ;COMPUTE # BLOCKS PER SUPER CLUSTER
HLRZ T1,STRBSC##(P2) ;GET CURRENT # BLOCKS PER SUPER CLUSTER
PUSHJ P,TRFCHS
HRLM P1,STRBSC##(P2) ;STORE IT
MOVE T2,STRBPU##(P2) ;GET # BLOCKS PER UNIT
SUBI T2,1
IDIV T2,P1 ;DIVIDE BY # BLOCKS PER SUPER CLUSTER
ADDI T2,1
MOVE P1,T2 ;GET NEW VALUE INTO A KOSHER AC FOR 'TRFCHG'
HRRZ T1,STRSCU##(P2) ;GET CURRENT # SUPER CLUSTERS PER UNIT
PUSHJ P,TRFCHS
HRRM P1,STRSCU##(P2) ;STORE # SUPER CLUSTERS PER UNIT
POPJ P,
CNPSTO: DPB P1,[POINT 6,STYCNP##(P2),11]
PUSHJ P,REFCHS ;UNIT NEEDS "HOME" BLOCKS REWRITING, STR REFRESHING
ADD P1,T3
MOVNS P1
ADDI P1,^D36
LDB T1,[POINT 6,STYCKP##(P2),11]
PUSHJ P,TRFCHS
DPB P1,[POINT 6,STYCKP##(P2),11]
ADD P1,T3
LDB T1,[POINT 6,STYCNP##(P2),5]
PUSHJ P,TRFCHS
DPB P1,[POINT 6,STYCNP##(P2),5]
MOVE P1,T3
LDB T1,[POINT 6,STYCKP##(P2),5]
PUSHJ P,TRFCHS
DPB P1,[POINT 6,STYCKP##(P2),5]
POPJ P,
;SUBROUTINE TO DETERMINE IF ANY UNITS ARE NOT IN STR'S
;SKIP RETURN IF YES, NO SKIP IF NO
ALLINS: HLRZ U,SYSUNI## ;U=1ST UNIT IN SYSTEM
ALLIN1: JUMPE U,CPOPJ## ;NO MORE UNITS, ALL MUST BE IN STRS
SKIPN UNILOG##(U) ;SKIP IF THIS UNIT IS IN AN STR
JRST CPOPJ1##
HLRZ U,UNISYS##(U) ;NEXT UNIT IN SYSTEM
JRST ALLIN1
;SUBROUTINE TO COMPUTE SIXBIT LOGICAL UNIT NUMBER WITHIN STR
CMPLOG: PUSH P,P3
MOVE P3,T1
LSH P3,-^D3
ADDI P3,20
LSH P3,^D6
ANDI T1,7
ADDI P3,20(T1)
MOVE T1,STRNAM##(P2)
PUSHJ P,MSKUNI##
SETCA T2,0
JFFO T2,.+2
STOPCD .+1,DEBUG,JDJ, ;++JFFO DIDN'T JUMP
MOVEI T2,^D24
TRNE P3,700
JRST INSUN2
TRZ P3,7700
MOVEI T2,^D30
INSUN2: SUB T2,T3
LSH P3,(T2)
ADD T1,P3
MOVEM T1,UNILOG##(U)
POP P,P3
POPJ P,
CHGASL: MOVEI T1,[ASCIZ .
Do you want to change the active swapping list?
.]
PUSHJ P,ASKQUE ;TYPE MSG. & GET USER'S RESPONSE
POPJ P, ;OBVIOUSLY NOT
SETZM PREASL## ;FORGET PRESERVED ASL
MOVEI U,DIFSWP## ;GET ADR. OF PTR. TO 1ST. UNIT DATA BLOCK IN ASL
PUSHJ P,CLRAS1
JRST CHGAS3 ;JRST AROUND THE ROUTINE
CLRASL: PUSHJ P,SETCHG ;FLAG "HOME" BLOCK MUST BE REWRITTEN
SETOM UNISUN##(U) ;AS UNIT IS NOW NO LONGER IN ASL
CLRAS1: HLRZ T2,UNISWP##(U) ;GET LINK TO NEXT UNIT IN ASL
HRRZS UNISWP##(U) ;UNLINK CURRENT UNIT FROM ASL
MOVE U,T2
JUMPN U,CLRASL ;REPEAT IF THERE IS ONE LEFT
PJRST KASL2 ;CLEAR OUT SWPTAB AND RETURN
CHGAS3: MOVEI T1,[ASCIZ .For each class, type physical unit names
(Extra <CR> when done).]
PUSHJ P,SVMOUT ;O/P BUFFER & ADD CRLF
MOVEI P3,DIFSWP##
SETZM P1 ;SET CLASS INITIALLY TO ZERO
MOVSI P4,MSWPMX## ;SETUP AOBJN PTR. FOR SWAPPING TABLE LENGTH
SETOM TYPONL ;SET TYPE ONLY FLAG
CHGAS1: MOVEI T1,[ASCIZ .Class .]
PUSHJ P,ASKDEC
TLOA P3,-1 ;INDICATE FIRST TIME
STOPCD .-4,DEBUG,AR1, ;++ASKDEC RETURNED CPOPJ1
PUSHJ P,ASKCHW
JRST CHGAS2
CAIG P1,SWCLSN##
AOJA P1,CHGAS1
CHGAS2: SETZM TYPONL
POPJ P,
;ROUTINE TO CLEAR OUT ENTIRE ACTIVE SWAPPING LIST...
;DOES NOT ASSUME ACTIVE SWAPPING LIST IS ALREADY SETUP.
KASL: SETZM PREASL## ;FORGET PRESERVED ASL
MOVEI U,DIFUSY##
KASL1: HLRZ U,UNISYS##(U)
JUMPE U,KASL2
PUSHJ P,SETCHG ;MARK AS NEEDING HOM BLOCKS REWRITTEN
SETOM UNISUN##(U) ;UNIT NO LONGER IN ASL
HRRZS UNISWP##(U) ;CLEAR LINK
JRST KASL1
KASL2: MOVE T1,[XWD SWPTAB##,SWPTAB##+1] ;GET BLT POINTER TO CLEAR OUT
SETZM SWPTAB## ;SWPTAB
BLT T1,SWPTBE## ;CLEAR TO THE LAST DROP
POPJ P, ;RETURN
SAMUNI: MOVEI T1,[ASCIZ .?Unit already in active swapping list.]
PUSHJ P,SVMOUT
ASKCHW: PUSHJ P,GETUNI
POPJ P,
LDB T1,UNYK4S## ;GET # K FOR SWAPPING ON THIS UNIT
JUMPN T1,ASKCH1 ;PRINT MSG. IF NONE
MOVEI T1,[ASCIZ .?Unit has no space allocated for swapping
.]
PUSHJ P,SVMOUT ;TYPE MSG. & CRLF
JRST ASKCHW ;AND WAIT FOR ANOTHER UNIT NAME TO TYPED
ASKCH1: HLRZ T1,SWPUNI##
JUMPE T1,ASKCH3
ASKCH2: CAMN T1,U
JRST SAMUNI
HLRZ T1,UNISWP##(T1)
JUMPN T1,ASKCH2
ASKCH3: TLZE P3,-1
AOS (P)
HRLM U,UNISWP##(P3)
HRRZS UNISWP##(U)
DPB P1,UNYCFS##
HRRZM P4,UNISUN##(U)
HRRM U,SWPTAB##(P4)
PUSHJ P,SETCHG ;FLAG "HOME" BLOCKS MUST BE REWRITTEN
HRRZ P3,U
AOBJN P4,ASKCHW ;REPEAT IF ANY ROOM LEFT IN TABLE
MOVEI T1,[ASCIZ .
%Active swapping list full.]
SOS (P) ;NON-SKIP RETURN IF LIST FULL
PJRST SVMOUT
DEFASL: SETZM PREASL## ;FORGET PRESERVED ASL
MOVEI U,DIFSWP## ;GET ADDR OF PTR TO 1ST UDB IN ASL
PUSHJ P,KASL ;CLEAR OUT ASL
MOVEI P3,DIFSWP## ;POINTERTO PREDECESSOR
MOVEI U,DIFUSY##
MOVSI P4,MSWPMX## ;AOBJN POINTER
SETZ P1,
DFASL1: HLRZ U,UNISYS##(U) ;GET UNIT
JUMPE U,CPOPJ## ;FINISHED
MOVSI T1,UNPWPO## ;THIS IS CASE OFF DOWN UNITS
TDNE T1,UNIDES##(U)
JRST DFASL2 ;SKIP THIS UNIT...
LDB T1,UNYK4S## ;ANY K FOR SWAPPING??
JUMPE T1,DFASL1 ;NO SWAPPING SPACE-GET NEXT UNIT
LDB T1,UNYKTP## ;GET KONTROLLER TYPE
CAIE P3,DIFSWP## ;FIRST TIME, IT SKIPS
CAMN T1,T3 ;HAS UNIT TYPE CHANGED?
JRST .+2 ;NO-BOP IN CLASS
AOS P1 ;TYPE HAS CHANGED-BUMP IT UP
DPB P1,UNYCFS## ;PUT IN SWAP CLASS
MOVE T3,T1 ;SAVE OLD UNIT TYPE FOR THE CHECK.
HRLM U,UNISWP##(P3) ;CREATE POINTER FROM PREDECSS. TO THS UNIT
HRRZS UNISWP##(U) ;CLEAR POINTER TO NEXT UNIT FOR THIS UNIT
HRRM U,SWPTAB##(P4) ;ENTER THIS UNIT IN SWPTAB
HRRZM P4,UNISUN##(U) ;ENTER LOGICAL UNIT NUMBER
PUSHJ P,SETCHG ;FLAG HOME BLOCKS NEED REWRITING
MOVE P3,U ;MAKE THIS UNIT PREDECESSOR
AOBJN P4,DFASL1 ;LOOP FOR MORE IF ANY ROOM LEFT
POPJ P, ;NO ROOM LEFT IN ASL
DFASL2: SETOM UNISUN##(U)
HRRZS UNISWP##(U)
JRST DFASL1 ;TAKE IT OUT OF ACTIVE SWAPPING LIST
;IF ITS WRITE PROTECTED OR DOWN.
;SUBROUTINE TO CHANGE THE "SYS" SEARCH LIST
CHGSRC: MOVEI T1,[ASCIZ .
Do you want to change the system search list?
.]
PUSHJ P,ASKQUE ;TYPE QUSTION & GET USER'S RESPONSE
POPJ P, ;OBVIOUSLY NOT
SETZM PRESSL## ;FORGET PRESERVED SSL
HLRZ P2,SYSSTR## ;TAKE ALL STRS OUT OF "SYS" SEARCH LIST
CHGSR1: SETOM STRSRC##(P2) ;INDICATE STR NOT IN "SYS" SEARCH LIST
PUSHJ P,CHGALL ;MAKE SURE ALL HOME BLOCKS GET REWRITTEN
HLRZ P2,STRSYS##(P2) ;GET ADR. OF NEXT STR DATA BLOCK IN SYSTEM
JUMPN P2,CHGSR1 ;REPEAT IF ANY LEFT
MOVEI T1,[ASCIZ .Type structure names for system search list
(Extra <CR> when done).]
PUSHJ P,CONOUT ;TYPE MSG. & ADD CRLF
MOVSI P4,-.SLMXS ;AOBJN PTR. FOR MAX. # STRS IN SEARCH LIST
CHGSR2: PUSHJ P,ASKST1 ;TYPE MSG. & GET RESPONSE
POPJ P, ;CR TYPED - EXIT
JUMPN P2,CHGSR3 ;WAS "ALL" TYPED
MOVEI T1,[ASCIZ .
?"ALL" not allowed.]
PUSHJ P,CONOUT ;TYPE MSG. & ADD CRLF
JRST CHGSR2 ;TRY AGAIN
CHGSR3: HRRZM P4,STRSRC##(P2) ;STORE LOG. STR # IN STR DATA BLOCK
AOBJN P4,CHGSR2 ;GET NEXT STR NAME
POPJ P, ;EXIT - MAX. # STRS TYPED
;SUBROUTINE TO CHANGE THE SYSTEM DUMP LIST
CHGSDL: MOVEI T1,[ASCIZ .
Do you want to change the system dump list?
.]
PUSHJ P,ASKQUE ;TYPE QUSTION & GET USER'S RESPONSE
POPJ P, ;OBVIOUSLY NOT
SETZM PRESDL## ;FORGET PRESERVED SDL
HLRZ P2,SYSSTR## ;TAKE ALL STRS OUT OF SYSTEM DUMP LIST
CHGSD1: SETOM STRSDL##(P2) ;INDICATE STR NOT IN SYSTEM DUMP LIST
PUSHJ P,CHGALL ;MAKE SURE ALL HOME BLOCKS GET REWRITTEN
HLRZ P2,STRSYS##(P2) ;GET ADR. OF NEXT STR DATA BLOCK IN SYSTEM
JUMPN P2,CHGSD1 ;REPEAT IF ANY LEFT
MOVEI T1,[ASCIZ .Type structure names for system dump list
(Extra <CR> when done).]
PUSHJ P,CONOUT ;TYPE MSG. & ADD CRLF
MOVSI P4,-.SDMAX ;AOBJN PTR. FOR MAX. # STRS IN DUMP LIST
CHGSD2: PUSHJ P,ASKST1 ;TYPE MSG. & GET RESPONSE
POPJ P, ;CR TYPED - EXIT
JUMPN P2,CHGSD3 ;WAS "ALL" TYPED
MOVEI T1,[ASCIZ .
?"ALL" not allowed.]
PUSHJ P,SVMOUT ;TYPE MSG. & ADD CRLF
JRST CHGSD2 ;TRY AGAIN
CHGSD3: HRRZ T1,STRK4C##(P2) ;GET K FOR CRASH ON THIS STR
JUMPN T1,CHGSD4 ;MUST HAVE SOME
MOVEI T1,[ASCIZ .?Structure has no space allocated for CRASH
.]
PUSHJ P,SVMOUT ;TELL HIM
JRST CHGSD2 ;AND TRY AGAIN
CHGSD4: HRRZM P4,STRSDL##(P2) ;STORE LOG. STR # IN STR DATA BLOCK
AOBJN P4,CHGSD2 ;GET NEXT STR NAME
POPJ P, ;EXIT - MAX. # STRS TYPED
;ROUTINE TO SET UP SYS SEARCH LIST DEFAULT
;PUTS ALL STRS IN SYS SEARCH LIST
DEFSSL: SETZM PRESSL## ;FORGET PRESERVED SSL
HLRZ P2,SYSSTR## ;GET ADDR OF 1ST STR IN SSL
JUMPE P2,CPOPJ## ;THROUGH IF NONE
DFSSL1: SETOM STRSRC##(P2) ;TAKE IT OUT
PUSHJ P,CHGALL ;MAKE SURE ALLHOM BLOCKS ARE REWRITTEN
HLRZ P2,STRSYS##(P2) ;GET NEXT STR
JUMPN P2,DFSSL1 ;JUMP IF ANY LEFT
MOVSI P4,-.SLMXS ;AOBJN POINTER
MOVEI P2,DIFSTR##
DFSSL2: HLRZ P2,STRSYS##(P2)
JUMPE P2,CPOPJ##
SKIPN STRUNI##(P2) ;IF NO UNITS IN THIS STR
JRST DFSSL2 ;GO FOR NEXT STR
HRRZM P4,STRSRC##(P2) ;PUT STR IN SYS SEARCH LIST
AOBJN P4,DFSSL2 ;BUMP LOGICAL NUMBER AND CONTINUE
POPJ P, ;WE'RE THROUGH
;ROUTINE TO SETUP SYSTEM DUMP LIST DEFAULT. PUTS ALL STRS IN SYSTEM
;DUMP LIST
DEFSDL: SETZM PRESDL## ;FORGET PRESERVED SDL
HLRZ P2,SYSSTR## ;START AT FIRST STR DATA BLOCK
JUMPE P2,CPOPJ## ;QUIT IF NO STRS
DFSDL1: SETOM STRSDL##(P2) ;TAKE THIS ONE OUT OF SDL
PUSHJ P,CHGALL ;MAKE SURE HOM BLOCKS GET REWRITTEN
HLRZ P2,STRSYS##(P2) ;STEP TO NEXT STR DATA BLOCK
JUMPN P2,DFSDL1 ;LOOP IF NOT AT END
MOVSI P4,-.SDMAX ;SETUP AOBJN POINTER FOR SDL
MOVEI P2,DIFSTR## ;MAKE STRSYS OFFSETS WORK
DFSDL2: HLRZ P2,STRSYS##(P2) ;STEP TO NEXT STR DATA BLOCK
JUMPE P2,CPOPJ## ;EXIT AT END
HRRZ T1,STRK4C##(P2) ;GET K FOR CRASH FOR THIS STR
SKIPE T1 ;IF NONE,
SKIPN STRUNI##(P2) ; OR IF NOT IN A STR,
JRST DFSDL2 ; DON'T TOUCH THIS ONE
HRRZM P4,STRSDL##(P2) ;INSERT THIS STR IN THE SDL
AOBJN P4,DFSDL2 ;LOOP FOR MAX NUMBER IN SDL
POPJ P, ;RETURN
;ENTER WITH P1 = 0
CANTB0: JUMPN P1,CPOPJ1## ;SKIP RETURN IF P1 IS NON ZERO
MOVEI T1,[ASCIZ .Cannot be .]
PJRST DECLOP ;TYPE MSG. & VALUE
CHKHBS: CAMLE P1,MAX ;IS NEW VALUE GT OR EQ MAX?
JRST CANTEX ;YES - TYPE CANNOT EXCEED AND VALUE
JRST CPOPJ1## ;IT'S NOT - SKIP RETURN
;ENTER AT CANTX1 WITH T2 = VALUE TO BE TYPED, AT CANTEX WITH MAX = VALUE
CANTEX: MOVE P1,MAX ;PUT VALUE INTO KOSHER AC
MOVEI T1,[ASCIZ .Cannot exceed .]
PJRST DECLOP ;TYPE MSG. & VALUE
; T3 IS RESPECTED
TRFCHU: HLLOS WHICH
CAME T1,P1 ;IS OLD VALUE=NEW VALUE?
REFCHU: SKIPN WHICH
POPJ P,
SKIPE P2 ;IS UNIT IN AN STR?
HRROS STRREF##(P2) ;YES - INDICATE STR NEEDS REFRESHING
PJRST SETCHG ;FLAG "HOME" BLOCKS MUST BE REWRITTEN
TRFCHS: HLLOS WHICH
CAME T1,P1
REFCHS: SKIPN WHICH
POPJ P,
HRROS STRREF##(P2) ;INDICATE STR NEEDS REFRESHING
CHGSTR: SKIPN WHICH
POPJ P,
CHGALL: MOVE T1,[PUSHJ P,SETCHG] ;GET INSTR. TO BE EXECUTED BY STOUNI
;SUBROUTINE TO EXECUTE AN INSTRUCTION FOR ALL UNITS WITHIN AN STR
; USUALLY STORES A BYTE
;T1=INSTRUCTION TO BE EXECUTED, P1=ARG., P2=STR DATA BLOCK ADR.
STOUNI: HLRZ U,STRUNI##(P2)
PUSH P,T1
STOUN1: XCT (P) ;EXECUTE INSTRUCTION SUPPLIED IN AC T1
HLRZ U,UNISTR##(U)
JUMPN U,STOUN1
JRST TPOPJ##
;SUBROUTINE TO COMPUTE # CLUSTERS & WORDS PER SAT
CMCWPS: PUSHJ P,SAVE4## ;SAVE P1-P4
PUSHJ P,COMLC1 ;NOW COMPUTE # CLUSTERS PER SAT
SOS T2
LDB P1,UNYSPU## ;GET # SATS PER UNIT IN THIS STR
IDIV T2,P1
HRRM T2,UNICPS##(U) ;STORE COMPUTED VALUE
AOS UNICPS##(U) ;MAKE VALUE IN UNIT DATA BLOCK RIGHT
IDIVI T2,^D36
ADDI T2,1
DPB T2,UNYWPS## ;STORE COMPUTED VALUE
POPJ P, ;EXIT
ASKDMM: CAMGE P1,MIN ;SEE IF BELOW MINIMUM
MOVE P1,MIN ;YES -- SET TO MINIMUM
CAMLE P1,MAX ;SEE IF ABOVE MAXIMUM
MOVE P1,MAX ;YES -- SET TO MAXIMUM
SKIPGE TYPONL ;DONT SKIP IF ONLY TYPING PARAMS
PJRST ASKDEC ;IN WHICH CASE FORGET ABOUT MIN AND MAX
JSP T2,SVOTAC
MOVE T2,MIN
CAMN T2,MAX
JRST SNDMIN ;IF MIN=MAX DONT ASK
MOVEM P1,WHICH ;SAVE ORIGINAL VALUE
PUSHJ P,DECLOP ;TYPE MESSAGE AND SEND VALUE
MOVEI T1,[ASCIZ .Min = .]
MOVE P1,MIN
PUSHJ P,TYPDEC ;TYPE MIN
PUSHJ P,SOPOUT
MOVEI T1,[ASCIZ . Max = .]
MOVE P1,MAX
PUSHJ P,DECLOP ;TYPE MAX, CRLF
MOVE P1,WHICH ;RESTORE ORIGINAL VALUE
PJRST ASKDC2 ;GET RESPONSE
SNDMIN: MOVE P1,MIN ;RETURN MIN
JRST CPOPJ1##
ASKDEC: JSP T2,SVOTAC
JRST ASKDC1
ASKDC1: MOVEM T1,WHICH
ASKDAG: PUSHJ P,DECLOP
SKIPGE T1,TYPONL
POPJ P,
ASKDC2: PUSHJ P,GETLIN##
JRST SIXCH1
PUSHJ P,ALTM ;IN CASE OF $ COP OUT
PUSHJ P,DECIN##
JFCL ;SHOULD NEVER HAPPEN
SKIPA
PJRST SIXCHK
MOVEI T1,[ASCIZ .Invalid character in response, please retype number; <CR> =.]
JRST ASKDAG
DECLOP: JSP T2,SVOTAC
PUSHJ P,TYPDEC
PJRST CRLFOP
COMLCA: HLRZ U,STRUNI##(P2) ;GET ADR. OF 1ST. UNIT DATA BLOCK IN STR
JRST COMLC2 ;IS UNIT IN AN STR?
COMLC1: SKIPA T2,UNIBPU##(U) ;NO - GET # BLOCKS ON UNIT
COMLC2: MOVE T2,STRBPU##(P2) ;YES - GET # BLOCKS PER UNIT
LDB T4,UNYBPC## ;GET # BLOCKS PER CLUSTER
IDIV T2,T4 ;COMPUTE LAST CLUSTER ADR. ON UNIT
POPJ P, ;RETURN
TYPMSN: JSP T2,SVOTAC ;SAVE P4,F,U & J
PUSHJ P,TYPDEC ;PUT MSG. IN THE BUFFER FOLLOWED BY DECIMAL #
PJRST OPOUT## ;O/P THE BUFFER
TYPDEC: PUSHJ P,ICONM##
MOVE T1,P1
PJRST RADX10##
ASKSIX: JSP T2,SVOTAC
MOVEM T1,WHICH
PUSHJ P,SIXLOP
SKIPGE T1,TYPONL
POPJ P,
GETSIX: PUSHJ P,GETLIN##
JRST SIXCH1
PUSHJ P,ALTM ;IN CASE OF $ COP OUT
GETSX1: PUSHJ P,CTEXT##
SIXCHK: EXCH P1,T2
CAME P1,T2
AOSA (P)
SETZM WHICH
PUSHJ P,OTSET## ;INITIALIZE BUFFER
PUSHJ P,CRLFOP
SKIPA T1,WHICH
SIXCH1: SETZB T1,WHICH
POPJ P,
SIXLOP: PUSHJ P,ICONM##
MOVE T2,P1
NAMFLO: PUSHJ P,PRNAME##
PJRST CRLFOP
RWRSUB: MOVEI T1,[ASCIZ .
Type physical units on which to write HOME blocks (Extra <CR> when through)
(<CR> if none, ALL if all; "ALL" is normal case).]
PUSHJ P,CONOUT ;TYPE MESSAGE
MOVSI P4,UNPCHG## ;BIT SET IF HOME BLOCK MUST BE REWRITTEN
SETZM RWRFLG ;CLEAR ANY REWRITTEN FLAGS
RWRSU1: PUSHJ P,GETUNI ;GET UNITS TO REWRITE
JRST RWREX ;NO MORE
AOS RWRFLG
JUMPE U,RWRHUN ;JUMP IF NO UNIT SPECIFIED
PUSHJ P,RWRWHM ;REWRITE THE HOME BLOCK
JRST RWRSU1 ;AND WAIT FOR NEXT
RWRHUN: HLRZ U,SYSUNI## ;FIRST UNIT IN SYSTEM
RWRSU2: PUSHJ P,RWRWHM ;REWRITE HOME BLOCK
HLRZ U,UNISYS##(U) ;NEXT UNIT
JUMPN U,RWRSU2 ;LOOP FOR ALL IN SYSTEM
RWREX: SKIPN RWRFLG ;SKIP IF ANY SPECIFIED
POPJ P, ;NO, DON'T TYPE
MOVEI T1,[ASCIZ .
HOME blocks written.]
PJRST SVMOUT ;ADD CRLF, OUTPUT, AND RETURN
RWRWHM: TDNE P4,UNIDES##(U) ;SKIP IF DON'T NEED TO
PUSHJ P,UPDHOM ;REWRITE UNIT'S HOME BLOCKS
ANDCAM P4,UNIDES##(U) ;CLEAR NEEDS REWRITING FLAG
POPJ P, ;RETURN
SVOSET::PUSHJ P,SVTPAC
PUSHJ P,OTSET##
PJRST SUPDAT
SAVP4: 0
SAVT2: 0
SAVF: 0
SAVU: 0
SAVK: 0
STRIS:: MOVEI T1,[ASCIZ .
%Structure .]
PUSHJ P,ICONM##
MOVE T2,STRNAM##(P2)
PJRST PRNAME##
SPSNAM::SKIPA T2,STRNAM##(P2)
SPUNAM::MOVE T2,UNINAM##(U)
SPRNAM: PUSHJ P,SUPDAT
PUSHJ P,PRNAME##
PJRST SUPDAT
SOPOUT::PUSHJ P,SUPDAT
PUSHJ P,OPOUT##
PJRST SUPDAT
SRDX10: PUSHJ P,SUPDAT
PUSHJ P,RADX10##
PJRST SUPDAT
SCRLFO::PUSHJ P,SUPDAT
PUSHJ P,CRLF##
PUSHJ P,OPOUT##
PJRST SUPDAT
SCONMS::PUSHJ P,SUPDAT
PUSHJ P,CONMES##
SUPDAT: EXCH P4,SAVP4
EXCH T3,SAVT2
EXCH F,SAVF
EXCH U,SAVU
EXCH J,SAVK
POPJ P,
SVTPAC: MOVEM P4,SAVP4
MOVEM T3,SAVT2
MOVEM F,SAVF
MOVEM U,SAVU
MOVEM J,SAVK
POPJ P,
SVMOTS: SETOM SERIUS
SVMOTE: SETOM ERRHOM
SVMOUT::JSP T2,SVOTAC
CONOUT: PUSHJ P,ICONM##
CRLFOP::PUSHJ P,CRLF##
PJRST OPOUT##
ASKYCR: MOVEI T1,[ASCIZ .
Do you want to change any disk parameters? (<CR> if no)
.]
ASKQUE: JSP T2,SVOTAC ;SAVE P4,F,U & J
PJRST YESNO## ;GET USER'S RESPONSE - SKIP RETURN IF 1ST. T4="Y"
; NON SKIP RETURN IF ANYTHING ELSE TYPED
;SUBROUTINE TO TYPE A MSG. - ACCEPT A RESPONSE WHICH SHOULD BE AN STR NAME
; AND SCAN STR DATA BLOCKS FOR A MATCH WITH THE NAME TYPED
ASKSTR: JSP T2,SVOTAC ;SAVE P4,T3,F,U & J
PUSHJ P,CONOUT ;O/P MSG. & ADD CRLF
CAIA
ASKST1: JSP T2,SVOTAC ;SAVE P4,T3,F,U & J
PUSHJ P,GETLIN## ;GET RESPONSE
POPJ P, ;CR TYPED - NON SKIP RETURN
PUSHJ P,ALTM ;IN CASE OF $ COP OUT
PUSHJ P,CTEXT## ;GET RESPONSE IN SIXBIT
SETZM P2 ;ASSUME "ALL" TYPED
CAMN T2,[SIXBIT .ALL.] ;WAS IT?
JRST CPOPJ1## ;YES - SKIP RETURN
MOVE T1,T2 ;PUT STR NAME INTO T1 FOR FNSTR
PUSHJ P,FNSTR ;GET STR DATA BLOCK ADR. IF IT EXISTS
SKIPA T1,[[ASCIZ .?Not a structure - Try again.]]
JRST CPOPJ1## ;SKIP RETURN WITH ADR. IN P2
PUSHJ P,SVMOUT ;ADD CRLF & O/P MSG.
JRST ASKST1 ;WAIT FOR NEW NAME TO BE TYPED
;T2 & T3 ARE RESPECTED
SETCHG: MOVSI T1,UNPCHG## ;PREPARE TO FLAG "HOME" BLOCKS NEED REWITING
MOVSI T4,UNPWPO##
TDNN T4,UNIDES##(U) ;IS UNIT WRITE PROTECTED OR OFF-LINE?
IORM T1,UNIDES##(U) ;SET UNPCHG FLAG
POPJ P, ;RETURN
;SUBROUTINE TO SEE IF ANY UNIT IN THE SYSTEM HAS THE 'UNPCHG' BIT ON
CHKCHG: MOVSI P4,UNPCHG## ;SEE IF ANY UNITS NEED THEIR "HOME" BLOCKS REWRITTEN
HLRZ U,SYSUNI## ;GET ADR. OF 1ST. UNIT DATA BLOCK IN SYSTEM
CHKCH1: TDNE P4,UNIDES##(U) ;IS THE BIT SET?
JRST CPOPJ1## ;YES - SKIP RETURN
HLRZ U,UNISYS##(U) ;GET ADR. OF NEXT UNIT DATA BLOCK IN SYSTEM
JUMPN U,CHKCH1 ;REPEAT IF THERE IS ONE LEFT
POPJ P, ;NO "HOME" BLOCKS NEED REWRITING - NON SKIP RETURN
GETUNI::PUSHJ P,GETLIN## ;GET USER'S RESPONSE
POPJ P, ;JUST CR TYPED - NON SKIP RETURN
PUSHJ P,ALTM ;IN CASE OF $ COP OUT
PUSHJ P,CTEXT## ;GET SIXBIT UNIT NAME
SETZM U ;ASSUME "ALL" WAS TYPED
HLRZ T1,T2 ;MAKE AC LOOK GOOD FOR COMPARE
CAIN T1,(SIXBIT .ALL.);WAS "ALL" TYPED?
JRST CPOPJ1## ;YES - SKIP RETURN
PUSHJ P,FNDUNI ;SEE IF UNIT EXISTS & RETURN WITH UNIT DATA BLOCK
SKIPA T1,[[ASCIZ .?Not a physical unit - Try again.]]
JRST CPOPJ1## ;UNIT EXISTS - SKIP RETURN
PUSHJ P,SVMOUT ;ADD CRLF & O/P MSG.
JRST GETUNI ;TRY AGAIN
FNDUNI::HLRZ U,SYSUNI## ;GET ADR. OF 1ST. UNIT DATA BLOCK IN SYSTEM
FNDUN1: CAME T2,UNIHID##(U) ;ACCEPT MATCH ON UNIT ID
CAMN T2,UNINAM##(U) ;MATCH?
JRST CPOPJ1## ;YES - SKIP RETURN
HLRZ U,UNISYS##(U) ;GET NEXT UNIT DATA BLOCK ADR. IN SYSTEM
JUMPN U,FNDUN1 ;REPEAT IF THERE IS ONE
POPJ P, ;NONE FOUND - NON SKIP RETURN
;SUBROUTINE TO PRESERVE AC'S P4,F,U & J
REFSAV: HRROS STRREF##(P2) ;INDICATE STR NEEDS REFRESHING
SVOTAC: PUSH P,P4
PUSH P,T3
PUSH P,F
PUSH P,U
PUSH P,J
PUSHJ P,(T2)
CAIA
AOS -5(P)
POP P,J
POP P,U
POP P,F
POP P,T3
POP P,P4
POPJ P,
;ROUTINE JUST TO WRITE OUT A HOME BLOCK FOR A UNIT WITHOUT READING IT IN.
;CALLED WITH UNIT DATA BLOCK ADRESS IN U
HOMWRT: JSP T2,SVOTAC ;SAVE AC'S
MOVE F,DATADR ;FDB ADDRESS
HRRZ P1,@ONCMBF ;ADRESS OF MBF
ADDI P1,1 ;POINT IT PAST FIRST IOWD
MOVSI P2,(SIXBIT .HOM.)
MOVE P3,[EXP CODHOM##]
PJRST HOMWR1
UPDHOM: JSP T2,SVOTAC ;SAVE P4,F,U & J
PUSHJ P,GTHOM ;GET "HOME" BLOCK INTO CORE
JFCL ;IGNORE ERRORS
HOMWR1: MOVEM P2,BLKNAM##(P1) ;SAVE SIXBIT "HOME" BLOCK IDENTIFIER
HRRZ P2,UNISTR##(U) ;GET STR DATA BLOCK ADR.
MOVE T1,UNIHID##(U) ;GET SIXBIT UNIT ID
MOVEM T1,HOMHID##(P1) ;SAVE IN "HOME" BLOCK
SETZM HOMLEN##+1(P1)
HRLZI T1,HOMLEN##+1(P1)
HRRI T1,HOMLEN##+2(P1)
BLT T1,HOMLEN##+4(P1)
MOVEI T1,MFDSIZ## ;MAKE UFD'S FOR [1,1] AND [1,4]
MOVEM T1,HOMLEN##+3(P1) ; EXTRA LONG TO MINIMISE DSK READ
MOVEM T1,HOMLEN##+5(P1)
HLRZ T1,UNISTR##(U) ;GET NEXT UNIT DATA BLOCK ADR. IN STR
SKIPE T1 ;SAVE 0 IF LAST UNIT IN STR OR NOT IN AN STR
MOVE T1,UNIHID##(T1) ;GET ITS ID
MOVEM T1,HOMNXT##(P1) ;SAVE IN "HOME" BLOCK
SKIPE T1,P2 ;SAVE 0 STR NAME IF UNIT NOT IN AN STR
MOVE T1,STRNAM##(P2) ;GET SIXBIT STR NAME
MOVEM T1,HOMSNM##(P1) ;SAVE IN "HOME" BLOCK
SKIPE T1,P2 ;STORE 0 FOR OWNER PPN IF UNIT NOT IN A STR
MOVE T1,STRPPN##(P2) ;GET OWNER PPN
MOVEM T1,HOMOPP##(P1) ;SAVE IN "HOME" BLOCK
JUMPE P2,UPDHM3 ;BYPASS ALL REFERENCES TO VALUES IN STR DATA BLOCK
HLRZ T1,STRUNI##(P2) ;GET ADR. OF 1ST UNIT DATA BLOCK IN STR
UPDHM1: JUMPE T1,UPDHM2 ;IF NONE LEFT SAVE 0 IN HOMPRV
HLRZ T2,UNISTR##(T1) ;GET ADR. OF NEXT UNIT DATA BLOCK IN STR
MOVE T3,UNIHID##(T1) ;GET CURRENT UNIT'S SIXBIT ID
MOVE T1,T2 ;CURRENT UNIT_NEXT UNIT
CAME T2,U ;IS ADR. OF NEXT UNIT DATA BLOCK SAME AS THIS ONE?
JRST UPDHM1 ;YES - PUT SIXBIT ID INTO THIS UNIT'S "HOME" BLOCK
UPDHM2: MOVEM T3,HOMPRV##(P1) ;SAVE IN "HOME" BLOCK
; 0 OR SIXBIT UNIT ID OF PREVIOUS UNIT IN STR
HLRZ T1,STRBSC##(P2) ;GET # BLOCKS PER SUPER CLUSTER
MOVEM T1,HOMBSC##(P1) ;SAVE IN "HOME" BLOCK
HRRZ T1,STRSCU##(P2) ;GET # SUPER CLUSTERS PER UNIT
MOVEM T1,HOMSCU##(P1) ;SAVE IN "HOME" BLOCK
MOVE T1,STRSRC##(P2) ;GET LOG. STR # OF STR IN "SYS" SEARCH LIST
MOVEM T1,HOMSRC##(P1) ;SAVE IN "HOME" BLOCK
SKIPL T1,STRSDL##(P2) ;CONVERT POS IN SDL FROM INTERNAL 0...N-1
ADDI T1,1 ; TO 1...N IN HOME BLOCK BUT LEAVE -1 ALONE
MOVEM T1,HOMSDL##(P1) ;STORE IN HOME BLOCK
MOVE T1,STYCNP##(P2) ;GET BYTE PTR. FOR CLUSTER COUNT
MOVEM T1,HOMCNP##(P1) ;SAVE IN "HOME" BLOCK
MOVE T1,STYCKP##(P2) ;GET BYTE PTR. FOR CHECKSUM
MOVEM T1,HOMCKP##(P1) ;SAVE IN "HOME" BLOCK
MOVE T1,STYCLP##(P2) ;GET BYTE PTR. FOR CLUSTER ADR.
MOVEM T1,HOMCLP##(P1) ;SAVE IN "HOME" BLOCK
MOVE T1,STRGAR##(P2) ;GET # BLOCKS GUARANTEED TO USER BY RESERVATION
MOVEM T1,HOMGAR##(P1) ;SAVE IN "HOME" BLOCK
HLLZ T1,STRREF##(P2) ;GET 'REFRESH' FLAG
HLLM T1,HOMREF##(P1) ;SAVE IN "HOME" BLOCK
MOVE T1,STROVR##(P2) ;GET -VE # BLOCKS USER IS ALLOWED TO OVERDRAW
MOVEM T1,HOMOVR##(P1) ;SAVE IN "HOME" BLOCK
HRRZ T1,STRK4C##(P2) ;GET # K FOR CRASH.SAV
MOVEM T1,HOMK4C##(P1) ;SAVE IN "HOME" BLOCK
LSH T1,BLKSPK## ;CONVERT TO # BLOCKS
SKIPE T1 ;NO EXE DIRECTORY IF NO FILE
ADDI T1,4 ;ALLOCATE 1 MORE PAGE FOR EXE DIRECTORY
MOVEM T1,HOMLEN##(P1) ;SAVE IN "HOME" BLOCK
IFN FTPSTR,<
LDB T1,STYPVS## ;GET PRIVATE STR BIT
DPB T1,HOYPVS## ;SAVE IN "HOME" BLOCK
>
IFN FTSETS,<
LDB T1,STYSET## ;GET SET NUMBER
DPB T1,HOYSET## ;SAVE IN "HOME" BLOCK
>; END IFN FTSETS
UPDHM3: MOVE T1,UNILOG##(U) ;GET SIXBIT LOGICAL UNIT WITHIN STR
MOVEM T1,HOMLOG##(P1) ;SAVE IN "HOME" BLOCK
LDB T1,UNYLUN## ;GET LOGICAL UNIT # WITHIN STR
MOVEM T1,HOMLUN##(P1) ;SAVE IN "HOME" BLOCK
MOVE T1,UNIHOM##(U) ;GET LOG. BLOCK #'S OF BOTH "HOME" BLOCKS
MOVEM T1,HOMHOM##(P1) ;SAVE IN "HOME" BLOCK
HLL T1,UNIGRP##(U) ;GET # CONSECUTIVE CLUSTERS TRIED FOR ON O/P
HLRZM T1,HOMGRP##(P1) ;SAVE IN "HOME" BLOCK
LDB T1,UNYK4S## ;GET # K FOR SWAPPING ON THIS UNIT
MOVEM T1,HOMK4S##(P1) ;SAVE IN "HOME" BLOCK
LDB T1,UNYBPC## ;GET # BLOCKS PER CLUSTER
MOVEM T1,HOMBPC##(P1) ;SAVE IN "HOME" BLOCK
LDB T1,UNYSIC## ;GET # SAT BLOCKS IN CORE FOR THIS UNIT
MOVEM T1,HOMSIC##(P1) ;SAVE IN "HOME" BLOCK
MOVE T1,UNISUN##(U) ;GET LOG. UNIT # IN ASL
MOVEM T1,HOMSUN##(P1) ;SAVE IN "HOME" BLOCK
SKIPE T1,SWPTAB##+1(T1) ;GET UNIT DATA BLOCK ADR. OF NEXT UNIT IN ASL
MOVE T1,UNIHID##(T1) ;GET ITS SIXBIT ID
MOVEM T1,HOMSID##(P1) ;SAVE IN "HOME" BLOCK
MOVE T1,UNISLB##(U) ;GET 1ST. LOG. BLOCK # FOR SWAPPING
MOVEM T1,HOMSLB##(P1) ;SAVE IN "HOME" BLOCK
LDB T1,UNYCFS## ;GET CLASS FOR SWAPPING
MOVEM T1,HOMCFS##(P1) ;SAVE IN "HOME" BLOCK
LDB T1,UNYSPU## ;GET # SAT BLOCKS PER UNIT
MOVEM T1,HOMSPU##(P1) ;SAVE IN "HOME" BLOCK
LDB T1,UNYUTP## ;GET UNIT TYPE
MOVEM T1,HOMUTP##(P1) ;SAVE IN 'HOME' BLOCK
;HERE TO CLEAR UNUSED PORTIONS OF HOME BLOCK
MOVEI T1,HOMEND##+1(P1) ;FIRST WORD TO CLEAR
CAILE T1,HOMCOD##-1(P1) ;SKIP IF AT LEAST ONE WORD
JRST UPDHM4
SETZM (T1) ;CLEAR THE FIRST WORD
CAIN T1,HOMCOD##-1(P1) ;SKIP IF MORE
JRST UPDHM4
HRLZI T1,HOMEND##+1(P1)
HRRI T1,HOMEND##+2(P1)
BLT T1,HOMCOD##-1(P1) ;CLEAR UNUSED WORDS
UPDHM4: PUSHJ P,WRTVID ;STORE VOLID STUFF IN HOME BLOCK
MOVEM P3,BLKCOD##(P1) ;SAVE CODE WORD IN "HOME" BLOCK
MOVE P4,UNIHOM##(U) ;GET LOG BLOCK #'S OF 1ST. & 2ND. "HOME" BLOCKS
PUSHJ P,WRTRUN ;WRITE OUT BOTH "HOME" BLOCKS
JFCL ;IGNORE ERRORS
MOVSI T1,UNPCHG## ;CLEAR CHANGED FLAG
ANDCAM T1,UNIDES##(U) ; IN UDB
POPJ P, ;RETURN
SUBTTL VOLUME ID ROUTINES
;SUBROUTINE TO SETUP VOLUME ID FIELDS IN HOME BLOCK
;CALL WITH:
; P1 = ADDRESS OF HOME BLOCK
; PUSHJ P,WRTVID
; RETURN HERE
;
WRTVID: MOVEI T1,HOMVID## ;GET OFFSET TO VOLUME ID
LSH T1,2 ;MAKE BYTE ADDRESS
MOVE T2,HOMHID##(P1) ;GET PACK NAME
PUSHJ P,VOLIDN ;STORE IN BLOCK
ADDI T1,6 ;SKIP AHEAD
MOVEI T2,0 ;BLANKS
PUSHJ P,VOLIDN ;STORE IN BLOCK
MOVEI T1,HOMVSY## ;GET SYSTEM TYPE
LSH T1,2 ;CONVERT TO BYTES
MOVE T2,[SIXBIT "TOPS-1"]
PUSHJ P,VOLIDN ;STORE IN BLOCK
ADDI T1,6 ;BUMP 1 1/2 WORDS
MOVSI T2,'0 ' ;ADD IN ZERO
PUSHJ P,VOLIDN ;STORE NAME
DMOVE T1,[EXP <SIXBIT/SYSTEM/>,0] ;ASSUME NO OWNER PPN
SKIPE HOMOPP##(P1) ;IS THERE AN OWNER
PUSHJ P,VOLPPN ;YES -GENERATE PPN
EXCH T1,T2 ;SWAP WORDS
PUSH P,T1 ;SAVE SECOND WORD
MOVEI T1,HOMOWN##
LSH T1,2
PUSHJ P,VOLIDN
ADDI T1,6
POP P,T2 ;GET SECOND WORD BACK
PJRST VOLIDN
; SUBROUTINE TO GENERATE A PPN
; CALL: PUSHJ P,VOLPPN
; RETURN HERE WITH T1&T2 CONTAINING PPN STRING IN SIXBIT
;
VOLPPN: PUSHJ P,SAVE2## ;SAVE P1 AND P2
SETZB T1,T2 ;CLEAR RESULT
MOVE P2,[POINT 6,T1] ;BYTE POINTER TO STORE RESULT
MOVEI T3,'[' ;GET A BRACKET
PUSHJ P,VOLCHR ;STORE IT
HLRZ T3,HOMOPP##(P1) ;GET PROJECT #
CAIN T3,777777 ;WILD?
JRST [MOVEI T3,'*' ;YES
PUSHJ P,VOLCHR ;TYPE *
JRST .+2] ;ONWARD
PUSHJ P,VOLOCT ;CONVERT IT
MOVEI T3,',' ;GET A COMMA
PUSHJ P,VOLCHR ;STORE IT
HRRZ T3,HOMOPP##(P1) ;GET PROGRAMMER #
CAIN T3,777777 ;WILD?
JRST [MOVEI T3,'*' ;YES
PUSHJ P,VOLCHR ;TYPE *
JRST .+2] ;ONWARD
PUSHJ P,VOLOCT ;CONVERT IT
MOVEI T3,']' ;GET A BRACKET
PJRST VOLCHR ;STORE IT AND RETURN
VOLOCT: IDIVI T3,10 ;DIVIDE BY RADIX
PUSH P,T4 ;SAVE REMAINDER
SKIPE T3 ;DONE?
PUSHJ P,VOLOCT ;NO - RECURSE
POP P,T3 ;GET CHARACTER
ADDI T3,'0' ;MAKE IT SIXBIT
VOLCHR: TRNN T2,77 ;12 CHARACTERS MAXIMUM
IDPB T3,P2 ;STORE CHARACTER
POPJ P, ;RETURN
;SUBROUTINE TO STORE 1 SIXBIT WORD IN VOLUME ID
;CALL WITH:
; T1 = BYTE # WITHIN HOME BLOCK (PDP-11 WISE)
; T2 = WORD
; P1 = ADDRESS OF HOME BLOCK
; PUSHJ P,VOLIDN
; RETURN HERE
;
VOLIDN: PUSHJ P,SAVE1## ;SAVE P1
PUSH P,T1
MOVEI P1,-1(T1) ;SETUP ADDRESS
MOVEI T4,6 ;BYTE COUNT
VOLDN1: MOVEI T3,0 ;CLEAR WORD
ROTC T2,6 ;COPY BYTE
ADDI T3,"0"-'0' ;CONVERT TO ASCII
AOS T1,P1 ;T1 IS BYTE ADDRESS
PUSHJ P,VOLIDP ;GET POINTER
ADD T1,-2(P) ;ADD ADDRESS OF BUFFER
DPB T3,T1 ;STORE IN BUFFER
SOJG T4,VOLDN1 ;LOOP OVER WHOLE WORD
JRST TPOPJ## ;RETURN
;SUBROUTINE TO CHECK VOLUME ID TYPE
;CALL WITH:
; P1 = ADDRESS OF HOME BLOCK
; PUSHJ P,CHKVSY
; RETURN HERE IF VOLUME ID TYPE IS 'TOPS-10'
; RETURN HERE IF VOLUME ID TYPE IS NOT 'TOPS-10', WITH
; T1 = BYTE POINTER TO VOLUME ID TYPE STRING IN ASCIZ
CHKVSY: PUSHJ P,SAVE2## ;SAVE P1-P2
MOVEI P1,HOMVSY## ;OFFSET TO VOLUME ID
LSH P1,2 ;MAKE BYTE ADDRESS
MOVE T3,[POINT 7,VSYBFR] ;POINTER TO TEMP BUFFER
MOVEI T4,3*4 ;3 WORDS OF 4 BYTES EACH
CHKVS1: MOVE T1,P1 ;T1 IS BYTE ADDRESS
PUSHJ P,VOLIDP ;GET POINTER
ADD T1,-2(P) ;ADD ADDRESS OF BUFFER
LDB T2,T1 ;GET THE BYTE
SKIPN T2 ;IF NULL,
MOVEI T2," " ; MAKE A BLANK
IDPB T2,T3 ;STUFF IN TEMP BUFFER
CAIE T2," " ;NON-BLANK?
MOVE P2,T3 ;YES, SAVE POINTER TO END OF SYSTEM TYPE
SOSLE T4 ;QUIT IF DONE
AOJA P1,CHKVS1 ;LOOP FOR MORE
DMOVE T1,VSYBFR ;GET DECODED SYSTEM TYPE
MOVE T3,VSYBFR+2 ;3 WORDS WORTH
CAMN T1,[ASCII .TOPS-.] ;IS IT 'TOPS-10'?
CAME T2,[ASCII .10 .] ;...
JRST CHKVS2 ;NO
CAMN T3,[ASCII . .] ;LAST WORD HAVE 2 BLANKS?
POPJ P, ;YES, SYSTEM TYPE IS VALID
CHKVS2: AOS (P) ;SET FOR SKIP RETURN
CAMN T1,[ASCII . .] ;NULL SYSTEM TYPE?
CAME T2,[ASCII . .] ;...
JRST CHKVS3 ;NO
CAMN T3,[ASCII . .] ;LAST WORD HAVE 2 BLANKS?
SKIPA T1,[[ASCIZ .unknown.]] ;GENERIC TEXT
CHKVS3: MOVEI T1,VSYBFR ;ADDRESS OF DECODED SYSTEM TYPE TEXT
SETZ T2, ;GET A ZERO
IDPB T2,P2 ;TERMINATE SYSTEM TYPE AS ASCIZ
POPJ P, ;RETURN
;BUFFER TO EXTRACT SYSTEM TYPE FIELD FROM VOLUME ID BLOCK
VSYBFR: BLOCK 3 ;12 CHARACTERS OF SYSTEM TYPE
;SUBROUTINE TO COMPUTE BYTE POINTER TO BYTE IN VOLID PART
;CALL WITH:
; T1 = BYTE NUMBER WITHIN HOME BLOCK
; PUSHJ P,VOLIDP
; RETURN HERE WITH POINTER IN T1
;
VOLIDP: PUSH P,T2
IDIVI T1,4 ;T1=WORD #, T2=BYTE #
ADD T1,VOLPTT(T2) ;GET CORRECT POINTER
JRST T2POPJ## ;RETURN
VOLPTT: POINT 7,0,17 ;BYTE 0
POINT 7,0,9 ;BYTE 1
POINT 7,0,35 ;BYTE 2
POINT 7,0,27 ;BYTE 3
;SUBROUTINE TO WRITE REDUNDANT BLOCKS(HOM,BAT & RIB)
; ENTER WITH F = FILE DATA BLOCK ADR. U = UNIT DATA BLOCK ADR.
; P1 = ADR. OF BLOCK IN CORE. P4 = XWD 1ST. LOG. BLOCK #,2ND. LOG. BLOCK #
; RETURN WITH S = 0 IF NO ERRORS. OTHERWISE IT HAS STANDARD RH ERROR BITS SET
; T2=0 IF NO ERRORS, OTHERWISE RH=-1 IF ERROR ON 2ND. BLOCK & LH=-1 IF ON 1ST.
WRTRUN::SETZM REDERR ;CLEAR OUT ERROR SWITCH
SETOM WHICH ;INDICATE WRITING 1ST. BLOCK
WRTRN1: HLRZM P4,BLKSLF##(P1) ;SAVE THIS BLOCK # IN BLOCK
HLRZ T2,P4 ;GET LOG. BLOCK # TO WRITE
HRLZS P4 ;SETUP P3 FOR BLOCK #2
PUSHJ P,OMNWRT ;GO WRITE OUT BLOCK
PUSHJ P,WRTCHK ;ERROR - GO PRINT MSG.
SETZM WHICH ;INDICATE WRITING 2ND. BLOCK
JUMPN P4,WRTRN1 ;HAVE WE WRITTEN BOTH BLOCKS?
MOVE T2,REDERR ;PICK UP ERROR WORD FOR CHECKING BY CALLER
JUMPE S,CPOPJ1## ;SKIP RETURN IF NO ERRORS
POPJ P, ;EXIT
WRTCHK: MOVEI T1,[ASCIZ .%Hardware write error.]
MOVE T3,UNINAM##(U) ;PICK UP UNIT NAME
PJRST RDNMSG ; & PRINT ERROR MSG. FOR BLOCK TYPE
;SUBROUTINE TO READ OR WRITE A BLOCK FOR THE ONCE ONLY & REFRESHER
; ENTER WITH T2 = LOG. BLOCK # TO READ OR WRITE. U = UNIT DATA BLOCK ADR.
; F = FILE DATA BLOCK ADR.
; RETURN WITH S = 0 IF NO ERRORS. OTHERWISE IT HAS STANDARD RH ERROR BITS SET
OMNWRT::SKIPA T3,[MONWRU##] ;GET ADR. OF WRITE RTNE. IN FILSER
OMNRED::MOVEI T3,MONRDU## ;GET ADR. OF READ RTNE. IN FILSER
;(BOTH TO NOT USE THE DISK CACHE)
OMONIO: MOVEI S,0 ;CLEAR S FOR ERROR STATUS CHECKING
PUSHJ P,STORU## ;SETUP DEVUNI FOR MONRED/WRT SINCE IT DOESN'T USE U
MOVE T1,[JRST ONCWAT##] ;SETUP A FAKE PWAIT1
MOVEM T1,PWAIT1##
MOVSI T1,DVDSK ;MAKE SURE THE DDB
IORM T1,DEVMOD(F) ; LOOKS LIKE A DISK
HRRZ J,UNIKON##(U) ;RELOAD J
MOVE T1,@ONCMBF ;GET IOWD FOR MONRED/WRT
XCTCPU (UNI,ONCIOX) ;DO I/O
TRO S,IODERR ;OTHER CPU DIDN'T RESPOND
TLZ S,IO ;FOR JUMPE S,WIN
TRNN S,IOIMPM!IODERR!IODTER!IOBKTL ;CHECK FOR ERRORS
AOS (P) ;NO ERRORS - SKIP RETURN
RSPWTC::HRRZ T1,SYSINA## ;ACTUAL POSITION OF SYSINI
SUBI T1,SYSINI## ;MINUS PLACE IT WAS LOADED
PJRST RSPWT1##(T1) ;CALL RSPWT1 IN NEW POSITION OF SYSINI
IFN FTMP,<
;ROUTINE TO DO THE IO FOR THE REFRESHER
;ALWAYS RETURNS CPOPJ1
REFWRT::SKIPA T3,[MONWRU##] ;WRITE NOT USING DISK CACHE
REFRED::MOVEI T3,MONRDU## ;READ NOT USING DISK CACHE
PUSH P,@ONCMBF
MOVEM T1,@ONCMBF ;T1 HAS IOWD FOR THE OPERATION
PUSHJ P,OMONIO ;DO THE IO
JFCL
POP P,@ONCMBF ;RE@ONCMBF
PJRST CPOPJ1## ;AND RETURN
>
SUBTTL STRUCTURE AND UNIT DATA BLOCK DEFAULTS
; MACROS TO BUILD DEFAULT TABLES FOR STRUCTURE AND UNIT DATA BLOCKS.
; EACH TABLE IS INDEXED BY CONTROLLER TYPE, TAKEN FROM UNYKTP. THE
; CONTROLLER TYPE CODES ARE:
; 0=DR, 1=FH, 2=DP, 3=MF, 4=FS, 5=RP, 6=RN, 7=RA
;
; CONTROLLER CODES FOR "DR" (FUTURE DRUM ON AN ???? CONTROLLER) AND
; "MF" (MASS FILE UNIT ON AN MD10 "MOBY DISK" CONTROLLER) WERE NEVER
; SUPPORTED BY TOPS10, BUT TABLE ENTRIES EXIST BECAUSE THOSE CODES HAD
; BEEN RESERVED IN ANTICIPATION OF FUTURE HARDWARE.
;
; ARGUMENTS TO THE SUDEFS MACRO ARE:
; KON = CONTROLLER NAME
; BSA = NUMBER OF BLOCKS FOR SEQUENTIAL OUTPUT
; BPC = BLOCKS PER CLUSTER
; GAR = NUMBER OF BLOCKS GUARANTEED
; OVR = NUMBER OF BLOCKS OVERDRAW
; K4C = K FOR CRASH.SAV
; BCC = BITS PER CLUSTER COUNT
; K4S = K FOR SWAPPING
; MUS = MAXIMUM NUMBER OF UNITS PER STRUCTURE
; NSB = NUMBER OF STRUCTURES TO BUILD
; SSN = STARTING STRUCTURE NAME
DEFINE SUDEFS,<
RADIX 10
; (KON,BSA,BPC,GAR,OVR, K4C ,BCC, K4S ,MUS,NSB,SSN )
X (DR , 0, 0, 0, 0, 0, 12, 0, 0, 0, )
X (FH , 10, 1, 0,200, 0, 12, 0, 0, 0, )
X (DP , 30, 5, 0,500, -1, 12, 0, 32, 1,DSKE)
X (MF , 30, 10, 0,500, 256, 12, 0, 0, 0, )
X (FS , 10, 1, 0,100, 0, 12, 200, 32, 1,DSKA)
X (RP , 30, 10, 0,500, -1, 12, 1000, 16, 3,DSKB)
X (RN , 30, 50, 0,500, 0, 12, 0, 16, 3,DSKF)
X (RA , 30, 10, 0,500, 0, 12, 0, 8, 3,DSKI)
RADIX 8
>
; CONTROLLER NAME
DEFINE X (KON,BSA,BPC,GAR,OVR, K4C ,BCC, K4S ,MUS,NSB,SSN ),<SIXBIT /KON/>
KONTBL: SUDEFS
EXP 0 ;TERMINATE TABLE
; BLOCKS TO TRY FOR ON SEQUENTIAL ALLOCATION
DEFINE X (KON,BSA,BPC,GAR,OVR, K4C ,BCC, K4S ,MUS,NSB,SSN ),<EXP BSA>
GRPDEF: SUDEFS
; BLOCKS PER CLUSTER
DEFINE X (KON,BSA,BPC,GAR,OVR, K4C ,BCC, K4S ,MUS,NSB,SSN ),<EXP BPC>
BPCDEF: SUDEFS
; BLOCKS GUARANTEED TO ALL USERS
DEFINE X (KON,BSA,BPC,GAR,OVR, K4C ,BCC, K4S ,MUS,NSB,SSN ),<EXP GAR>
GARDEF: SUDEFS
; OVERDRAW
DEFINE X (KON,BSA,BPC,GAR,OVR, K4C ,BCC, K4S ,MUS,NSB,SSN ),<EXP OVR>
OVRDEF: SUDEFS
; K FOR CRASH.SAV
DEFINE X (KON,BSA,BPC,GAR,OVR, K4C ,BCC, K4S ,MUS,NSB,SSN ),<EXP K4C>
K4CDEF: SUDEFS
; BITS FOR CLUSTER COUNT FIELD
DEFINE X (KON,BSA,BPC,GAR,OVR, K4C ,BCC, K4S ,MUS,NSB,SSN ),<EXP BCC>
CNPDEF: SUDEFS
; K FOR SWAPPING
DEFINE X (KON,BSA,BPC,GAR,OVR, K4C ,BCC, K4S ,MUS,NSB,SSN ),<EXP K4S>
K4SDEF: SUDEFS
; MAXIMUM NUMBER OF UNITS PER STRUCTURE
DEFINE X (KON,BSA,BPC,GAR,OVR, K4C ,BCC, K4S ,MUS,NSB,SSN ),<EXP MUS>
MUSDEF: SUDEFS
; STARTING STRUCTURE NAME
DEFINE X (KON,BSA,BPC,GAR,OVR, K4C ,BCC, K4S ,MUS,NSB,SSN ),<EXP <SIXBIT /SSN/>>
SSNDEF: SUDEFS
SUBTTL MULTI-CPU I/O PROCESSING
IFN FTMP,<
; KDBS
CPUKDB: MOVEM T1,CPUACS+T1 ;SAVE T1
LDB T1,TKYCPU## ;GET TARGET CPU NUMBER
JRST CPUXCT ;ENTER COMMON CODE
; UDBS
CPUUNI: DMOVEM T1,CPUACS+T1 ;SAVE TEMPS
DMOVEM T3,CPUACS+T3 ;...
MOVE T1,UNICAM##(U) ;GET TARGET CPU NUMBER
PUSHJ P,CAMCPU## ;DETERMINE CPU NUMBER TO USE
MOVE T1,.C0CPN##(T4) ;GET CPU NUMBER
DMOVE T2,CPUACS+T2 ;GET TEMPS BACK
MOVE T4,CPUACS+T4 ;...
CPUCPN: ;CPU NUMBER ALREADY IN T1
CPUXCT: SKIPN .UONCE## ;IF TWICE, NO OTHER CPU TO WORRY ABOUT
CAMN T1,.CPCPN## ;IS IT US?
JRST CPUXC4 ;GO HANDLE REQUEST ON OUR CPU
PUSH P,T2 ;SAVE T2 A SEC
MOVEI T2,1 ;GET ASYNCH IO PENDING BIT FOR CPU0
LSH T2,(T1) ;POSITION IT FOR A TEST OF TARGET CPU
;THE PARANOID MIGHT WANT TO CPUTIM-OUT THIS LOOP...
TDNE T2,CPUASF ;SEE IF STILL PROCESSING A PREVIOUS COMMAND
JRST .-1 ; ON THIS CPU. WAIT TILL DONE IF SO.
IORM T2,CPUASF ;REMEMBER THAT IT IS NOW BUSY
POP P,T2 ;RESTORE T2
MOVEM T1,CPUNUM ;SAVE TARGET CPU NUMBER
SETZM CPUFLG ;INITIALLY SET FAILURE FLAG
MOVE T1,CPUACS+T1 ;RESET T1 SO BLT DOESN'T CLOBBER SAVED COPY
MOVEM 0,CPUACS+0 ;SAVE AC 0
MOVE 0,[1,,CPUACS+1] ;SET UP BLT
BLT 0,CPUACS+17 ;SAVE THE ACS
MOVE 0,CPUACS+0 ;RELOAD AC 0
XMOVEI T1,@(P) ;GET ADDRESS OF SUBROUTINE
MOVE T2,CPUNUM ;GET TARGET CPU NUMBER
MOVE T3,@T1 ;GET SUBROUTINE TO EXECUTE (WITH FLAGS)
MOVEM T3,CPUSUB ;SAVE IT'S ADDRESS
POP P,(P) ;PRUNE STACK
MOVEM P,CPUACS+P ;UPDATE PUSH DOWN LIST POINTER
MOVE T1,CPUTMS ;TIME TO WAIT FOR CPU TO START PROCESSING
TLNE T3,(XC.SHT) ;SHORT WAIT?
LSH T1,-2 ;YES, WAIT ONE FOURTH OF THE USUAL TIME
MOVE P1,T2 ;CPU INDEX
LSH P1,.CPSOF## ;POINT TO THE TARGET CPU'S CDB
HLLOS ONCCOM## ;MARK REQUEST QUEUED
CPUXC1: SKIPE CRSHWD## ;RELOADING SYSTEM BECAUSE OF STOPCD?
PJRST REBOOT## ;YES
TRNN T1,17 ;EVERY 20 TIMES THROUGH THIS
AOS .C0OK##(P1) ;BUMP CPU'S OK WORD SO IT WILL WAKE UP
SKIPE ONCCOM## ;HAS THE OTHER CPU STARTED PROCESSING YET?
SOJG T1,CPUXC1 ;NO--WAIT
MOVE T2,CPUSUB ;GET ADDRESS OF ROUTINE BEING CALLED
TLNE T2,(XC.ASY) ;WAS THIS AN ASYNCHRONOUS REQUEST?
JRST [JUMPN T1,CPUXC3 ;YES, JUMP IF CPU STARTED REQUEST
MOVE T1,.C0CPN##(P1) ;ASYNCH REQUEST DIDN'T START, CPU #
PUSHJ P,CPUDSB ;CLEAR I/O PENDING FOR NEXT REQUEST
JRST CPUXC3] ;AND EXIT
MOVE P2,T1 ;SYNCHRONOUS I/O, SAVE RESPONSE TIME
MOVE T1,.C0CPN##(P1) ;GET CPU NUMBER OF TARGET CPU
PUSHJ P,CPUDSB ;CLEAR I/O PENDING BIT
JUMPE P2,CPUXC3 ;NO RESPONSE
MOVE T1,CPUTIM ;GET CPU HUNG TIMER
MOVE T2,CPUSUB ;GET FLAGS
TLNE T2,(XC.SHT) ;SHORT WAIT?
LSH T1,-2 ;YES, WAIT ONE FOURTH OF THE USUAL TIME
CPUXC2: SKIPE CRSHWD## ;RELOADING SYSTEM BECAUSE OF STOPCD?
PJRST REBOOT## ;YES
SKIPL ONCCOM## ;REQUEST COMPLETED YET?
SOJG T1,CPUXC2 ;NO--WAIT
CPUXC3: SETZM ONCCOM## ;TELL OTHER CPUS TO LOOP IN THE ACS
MOVEM P,CPUACS+P ;SO BLT DOESN'T WIPE P
MOVSI 17,CPUACS ;SET UP BLT
BLT 17,17 ;RESTORE THE ACS
SKIPE CPUFLG ;SUCESS?
AOS (P) ;YES
POPJ P, ;PROPAGATE CPOPJ/CPOPJ1 BACK TO CALLER
CPUXC4: XMOVEI T1,@(P) ;GET ADDRESS OF SUBROUTINE
MOVE T1,@T1 ;GET SUBROUTINE TO EXECUTE
TLZ T1,-1 ;CLEAR FLAGS
MOVEM T1,CPUSUB ;SAVE IT'S ADDRESS
POP P,(P) ;TRIM STACK
MOVE T1,CPUACS+T1 ;RELOAD T1
PUSHJ P,@CPUSUB ;DO CPU DEPENDANT STUFF
POPJ P, ;FAILED
JRST CPOPJ1## ;RETURN
; STILL UNDER IFN FTMP
CPUDSP::MOVE T1,.CPCPN## ;GET OUR CPU NUMBER
CAME T1,CPUNUM ;SANITY CHECK
POPJ P, ;REQUEST IS FOR SOMEONE ELSE
MOVEM P,CPUACS+P ;SO BLT DOESN'T WIPE P
MOVSI 17,CPUACS ;SET UP BLT
BLT 17,17 ;LOAD OUR ACS
PUSH P,CPUSUB ;SAVE ROUTINE ADDRESS AND FLAGS
SETZM ONCCOM## ;START PROCESSING REQUEST
EXCH T1,(P) ;GET ROUTINE ADDRESS AND FLAGS
TLNE T1,(XC.ASY) ;SEE IF ASYNCHRNOUS IO
JRST CPUDSA ;IF SO, DO DIFFERENTLY
TLZ T1,-1 ;CLEAR FLAGS
EXCH T1,(P) ;PUT ROUTINE ADDRESS BACK - WITHOUT FLAGS
PUSHJ P,@(P) ;DO SOMETHING
SKIPA ;FAILURE
SETOM CPUFLG ;INDICATE SUCESS
ADJSP P,-1 ;TOSS ROUTINE ADDRESS
MOVEM 0,CPUACS+0 ;SAVE AC 0
MOVE 0,[1,,CPUACS+1] ;SET UP BLT
BLT 0,CPUACS+17 ;SAVE THE UPDATED ACS
SETOM ONCCOM## ;REQUEST COMPLETED
POPJ P, ;RETURN
;HERE IF REQUEST IS ASYNCHRONOUS
CPUDSA: TLZ T1,-1 ;CLEAR FLAGS
EXCH T1,(P) ;GET T1 BACK, SAVE ADDRESS WITHOUT FLAGS
PUSHJ P,@(P) ;DO WHATEVER WE DO
JFCL ;ASYNCHRONOUS I/O DOESN'T EXACTLY SKIP...
ADJSP P,-1 ;CLEAN SUBROUTINE ADDRESS OFF STACK
MOVE T1,.CPCPN## ;NOR DOES IT RETURN ACS. GET CPU NUMBER
CPUDSB: MOVEI T2,1 ;GET ASYNCHRONOUS IO BUSY BIT FOR CPU 0
LSH T2,(T1) ;POSITION IT FOR THIS CPU
ANDCAM T2,CPUASF ;CLEAR IO IN PROGRESS BIT
POPJ P, ;RETURN
> ;END IFN FTMP
SUBTTL CPU DEPENDANT ROUTINES
; CHECK ON/OFF-LINE STATUS OF A KONTROLLER
; CALL: PUSHJ P,CHKKON
; <NON-SKIP> ;OFF-LINE
; <SKIP> ;ON-LINE, T1 ZERO IF WRITE-HEADER-LOCKOUT OFF
CHKKON: PUSHJ P,@KONUPA##(J) ;IS KONTROLLER UP?
POPJ P, ;NO--DOWN
JRST CPOPJ1## ;RETURN
; SUBROUTINE TO CHECK WRITE-LOCKED STATUS OF A UNIT
; RETURNS CPOPJ1 IF WRITE-LOCKED.
;
CHKWLK: LDB P2,UNYKTP## ;GET KONTROLLER TYPE
PUSHJ P,@ONCHWP(P2) ;CHECK UNIT
POPJ P, ;WRITE-ENABLED
JRST CPOPJ1## ;WRITE-LOCKED
; CHECK THE CAPACITY OF A DISK UNIT
; CALL: PUSHJ P,CHKCPY
; <NON-SKIP> ;ERRORS: OFF-LINE, NO SUCH UNIT, ILLEGAL SECTOR
; <SKIP> ;T1 THROUGH T4 LOADED BY KONCPY ROUTINE
;
CHKCPY: SKIPE .UONCE## ;USER MODE?
PJRST USRCPY## ;YES--LET TWICE HANDLE IT
PUSHJ P,@KONCPY##(J) ;CRANK UP FILSER
POPJ P, ;ERRORS
JRST CPOPJ1## ;RETURN
; PERFORM I/O
; CALL: PUSHJ P,ONCIOX
;
; *** NOTE *** THIS ROUTINE WILL ALWAYS SKIP!
;
ONCIOX: SKIPN .UONCE## ;NO PI STUFF IN USER MODE (TWICE)
CONO PI,PI.ON ;MAKE SURE THE PI SYSTEM IS ON FOR ONCWAT
PUSHJ P,(T3) ;DO I/O
JRST CPOPJ1## ;RETURN
; ROUTINE TO SEE IF THE NON-BOOT CPU(S) ARE ALIVE
; CALL: PUSHJ P,CHKCPU
; <NON-SKIP> ;NOT RUNNING
; <SKIP> ;ALIVE AND KICKING
CHKCPU: JRST CPOPJ1## ;IF WE GET THIS FAR, IT MUST BE RUNNING
IFN FTCIDSK,<
;ROUTINE TO DO AN ONLINE OF A CI DISK
;CALL:
; J/ KDB ADDRESS
; U/ UDB ADDRESS
;RETURN:
; CPOPJ IF ERROR
; CPOPJ1 IF SUCCESS
ONCONL: SETZM ONLDON ;START AFRESH
PUSHJ P,SAVE4## ;SAVE SOME AC'S AGAINST CORRUPTION
SE1ENT ;ENSURE WE RUN IN NZS
HRRZ P4,J ;GET KDB ADDRESS
ADD P4,.CPCPN## ;OFFSET BY OUR CPU NUMBER
MOVE P4,RAKCTI##(P4) ;GET THE CONNECT TABLE INDEX
PUSHJ P,MSCGBF## ;GET A BUFFER TO USE
POPJ P, ;NONE AVAILABLE?
HLLZ T1,ONLFLG ;GET FLAGS FROM LAST ONLINE END PACKET
PUSHJ P,REVFUL## ;PUT THEM BACK AS THE HSC WANTS THEM
MOVEM T1,P.UNFL(P2) ;STORE FLAGS
LDB T1,UNYPUN## ;GET THE PHYSICAL UNIT NUMBER
MOVEI R,.RROON ;RECALL CODE
PUSHJ P,MSCUON## ;DO A UNIT ONLINE
MOVSI T1,3*ONCTIM## ;WAIT A WHILE
SKIPN ONLDON ;DID IT COMPLETE YET?
SOJG T1,.-1 ;NO, WAIT A WHILE LONGER
JUMPG T1,CPOPJ1## ;SKIP RETURN IF IT SUCCEEDED
POPJ P, ;RETURN
;ROUTINE TO CHECK WRITE-LOCK STATUS OF A CI DISK.
;CALL:
; J/ KDB ADDRESS
; U/ UDB ADDRESS
;RETURN:
; CPOPJ IF WRITE-ENABLED
; CPOPJ1 IF WRITE-LOCKED
RAXHWP: SKIPE .UONCE## ;IF USER MODE,
POPJ P, ;THEN SAY IT'S WRITE-ENABLED
SETZM ONLDON ;START AFRESH
PUSHJ P,SAVE4## ;SAVE SOME AC'S AGAINST CORRUPTION
SE1ENT ;ENSURE WE RUN IN NZS
HRRZ P4,J ;GET KDB ADDRESS
ADD P4,.CPCPN## ;OFFSET BY OUR CPU NUMBER
MOVE P4,RAKCTI##(P4) ;GET THE CONNECT TABLE INDEX
PUSHJ P,MSCGBF## ;GET A BUFFER TO USE
POPJ P, ;NONE AVAILABLE?
LDB T1,UNYPUN## ;GET THE UNIT NUMBER
PUSHJ P,MSCCUS## ;CHECK UNIT STATUS
MOVSI T1,3*ONCTIM## ;WAIT A WHILE
SKIPN ONLDON ;DID IT COMPLETE YET?
SOJG T1,.-1 ;NO, WAIT A WHILE LONGER
JUMPLE T1,CPOPJ## ;IF IT FAILED, JUST ASSUME WRITE-ENABLE
MOVE T1,ONLFLG ;GET THE FLAGS
TLNE T1,(UF.WPS!UF.WPH) ;WRITE-PROTECT?
AOS (P) ;YES, SET FOR SKIP RETURN
POPJ P, ;RETURN
ONLDON::0 ;SET NON-ZERO WHEN RAXKON GETS A RESPONSE TO
; A SET UNIT ONLINE COMMAND TO THE HSC
ONLFLG::0 ;FLAGS FROM LAST UNIT ONLINE COMMAND
>; END IFN FTCIDSK
UNITS: BLOCK 1 ;COUNTER LOCATION
MIN: BLOCK 1
MAX: BLOCK 1
TMPMIN: BLOCK 1 ;TEMPORARY STORAGE OF MIN
DATADR: BLOCK 1
RWRFLG: BLOCK 1
HOMFLG: 0
DOFLOK: BLOCK 1 ;DISK OFF-LINE OK
OPTQIK::BLOCK 1 ;QUICK OPTION
ONCMBF::BLOCK 1 ;ADDRESS OF MONITOR BUFFER FOR ONCE/TWICE
MONBUF: BLOCK 200 ;STORAGE FOR MONITOR BUFFER
SHUTUP::BLOCK 1 ;NON-ZERO IF AVOIDING CTY CHATTER
KON: BLOCK 1
OFFLOK::BLOCK 1 ;DON'T TYPE OFF-LINE MSGS
ERROK:: BLOCK 1 ;DON'T TYPE MESSAGES PRECEEDED BY %
ERRHOM: 0 ;FLAG FOR ERRORS WHILE READING A "HOME" BLOCK
SERIUS: 0 ;-1 WHEN IF START SYSTEM EVEN IF QUICK OPTION
IFN FTCIDSK,<
ONCDRB::BLOCK 15 ;DRB FOR USE DURING ONCE
SIZDRB==:.-ONCDRB ;GET MULT DEFINED GLOBAL IF DIFFERS FROM COMMOD
>; END IFN FTCIDSK
IFN FTMP,<
CPUTMS: XWD 3,0 ;TIME TO WAIT FOR A CPU TO START PROCESSING
CPUTIM: XWD <3*ONCTIM##>,0 ;NORMAL HUNG CPU TIMER
CPUSUB::BLOCK 1 ;ADDR OF SUBROUTINE TO EXECUTE
CPUNUM::BLOCK 1 ;TARGET CPU NUMBER
CPUACS::BLOCK 20 ;ACS
CPUFLG::BLOCK 1 ;SUCESS/FAILURE FLAG
CPUASF: EXP 0 ;BIT MASK OF CPUS DOING ASYNCHRONOUS ONCE IO
> ;END IFN FTMP
XLIST
LIT
VAR
LIST
ONCMND: END