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dec-10-omona-u-mc9
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sysini.mac
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TITLE SYSINI - SYSTEM INITIALIZATION AND RESTART - V664
SUBTTL TH/RCC/TL/AF/PH/DAL/BGE/RLD 05 APR 77
SEARCH F,S
$RELOC
$LOW
;***COPYRIGHT 1969,1970,1971,1972,1973,1974,1975,1976,1977 DIGITAL EQUIPMENT CORP., MAYNARD, MASS.***
XP VSYSII,664
;PUT VERSION NUMBER IN GLOB LISTING AND LOADER STORAGE MAP
EXTERNAL NXM
EXTERNAL NULJB1,ONCE,SYSBEG,SYSBG1,SYSEND
EXTERNAL CORTAB,COREP,CORLST,CORTAL,CORBLK,SYSSIZ,LINKSR
CLK==70 ;MACRO 47 DOESNT KNOW ABOUT CLK.
EXTERNAL SYSTOP,SYSDSP,DSKDSP,SCNDSP
;NOTE THAT SYSINI MAY INCLUDE INITIALIZATION ROUTINES WHICH SHOULD NOT
;BE CALLED. THIS HAPPENS IF THE FEATURE TEST SWITCH FOR A FEATURE IS ON,
;BUT THE MODULE IS NOT LOADED BECAUSE OF THE ANSWER TO A MONGEN QUESTION.
;TO SOLVE THIS PROBLEM, COMMON DEFINES SYMBOLS =0 IF THE ROUTINE IS
;NOT TO BE CALLED, = NON-0 IF IT IS TO BE CALLED.
;SYSINI HAS BEEN MADE SELF RELOCATING SO THAT IT CAN BE MOVED
;IN CASE IT IS TO BE OVERLAYED AFTER SYSTEM STARTUP. IF IT IS,
;IT MIGHT BE CLOBBERED BEFORE INITIALIZATION WAS COMPLETE, HENCE
;IT WOULD HAVE TO BE MOVED.
;ACCUMULATOR P2 CONTAINS THE RELOCATION.
;INITIALIZE SYSTEM DATA STORAGE
INTERNAL FTDISK,SYSINI,FTSWAP,JSR2,ENDSYS
ENTRY SYSINI
SYSINI: CONO APR,200000 ;IO RESET
IFN FTKL10,<
MOVEI P,ONCPDL## ;SET UP A PDL FOR THIS
MOVEI T1,0 ;FOR CPU 0
PUSHJ P,DTEINI## ;INITIALIZE DTE'S EARLY
PUSHJ P,ENTSPC## ;START SECONDARY PROTOCOL ON MASTER DTE
>
IFN FTMETR,<
JSR METINI## ;TURN OFF METER POINTS
>
SETZ P2, ;CLEAR RELOCATION REGISTER FOR SUBROUTINE
IFN FTMS,< EXTERNAL SPRINI
SKPCPU (0)
JRST SPRINI ;SLAVE! GO START IT GOING
JSP T1,TWOCHK## ;GO CHECK IF OTHER CPU ALSO IN SYSINI
; DO NOT USE A PD LIST HERE SINCE BOTH CPUS CAN GET HERE
>
; IF OFFSET SWITCH SET THE SAME
JSR1: JSR ONCE ;DO ONCE ONLY CODE ONCE
JSR2: JSR LINKSR ;DO MANDATORY ONCE ONLY CODE ONCE FOR SURE
;LINK IO SERVICE ROUTINES AND OVERLAY ONCE
; ONLY CODE WITH DEVICE DATA BLOCKS
;*** SYSINI MAY BE MOVED TO HIGH CORE
;BY LINKSR BECAUSE SYSINI COULD GET
;CLOBBERED BY BEING OVERLAYED BEFORE
;IT IS FINISHED. THEREFORE THE CODE
;IS SELF RELOCATING, USING P2 AS A
;RELOCATION REGISTER. NOTE THAT LOCATION
;SYSINA WILL CONTAIN THE CURRENT ADDRESS
;OF SYSINI (SET A FEW INSTRUCTIONS DOWN
;THIS PAGE AND IS OCCASSIONALLY USED TO
;COMPUTE THE RELOCATION CONTENTS (RH(SYSINA))-SYSINI
;CALLS TO SUBROUTINES IN SYSINI BEFORE THIS
;POINT SHOULD SET P2=0 FIRST. THIS WORKS
;BECAUSE SYSINI WILL NOT YET HAVE BEEN MOVED.
MOVSI P2+1,(JRST (P2)) ;RETURN INSTRUCTION FOR JSR
JSR P2 ;FIND OUT WHERE WE ARE
SUBI P2,. ;OFFSET FOR RELOCATED LOADING INTO ORIGINAL SPOT
IFN FTVM,<
HRLZ T1,[MSWPMX##](P2) ;CAN'T HAVE SWAP SPACE
MOVNI T2,4 ; START AT BLOCK0,
SKIPE T3,SWPTAB##(T1) ; SO DECREMENT UNISLB
ADDM T2,UNISLB##(T3) ; AND START AT LOGICAL
AOBJN T1,.-2(P2) ; SWAP BLOCK1
>
IFN FTDISK,<
MOVEI T1,DSKINI(P2) ;NEW LOCATION OF DSKINI
HRRM T1,DSKDSP+DINI ;STORE IN DISPATCH TABLE
>
MOVEI T1,JSR2(P2) ;NEW LOCATION OF JSR2
HRRM T1,SYSIN2## ;STORE IN SYSTEM DISPATCH TABLE
MOVEI T1,SYSINI(P2) ;NEW LOCATION OF SYSINI
HRRM T1,SYSINA## ;SYSINI MOVED, CAN'T DO 403 RESTART
MOVS T1,.+1(P2)
SETZM JOB ;CLEAR CURRENT JOB
SETZB P1,SYSBEG ;CLEAR P1 FOR NEXT PAGE
MOVSM T1,JSR1(P2) ;CLEAR SYSTEM DATA STORAGE
MOVSM T1,JSR2(P2)
MOVE T1,[XWD SYSBEG,SYSBG1](P2) ;CLEAR SYSTEM DATA STORAGE
BLT T1,SYSEND
MOVE T1,[XWD NULPDL##,NULPDL##+1](P2) ;CLEAR SYSTEM PDL'S, ETC., ABOVE
SETZM NULPDL## ; TRAP LOCATIONS
BLT T1,137 ; AND UP TO BASE OF COMMON
IFN FTMS,< EXTERNAL .C0SCD,.C0OK,CP1INC
SKIPE [CP1INC](P2) ;DOES THIS SYSTEM HAVE A DUAL PROCESSOR?
JSP T1,CP1INI(P2) ;YES, INITIALIZE MASTER VARIABLE AREA AND
;SLAVE DEPENDENT VARIABLES
SETOM .C0SCD ;INITIALIZE MASTER SCHEDULER INTERLOCK
>
MOVSI T1, DVDIRIN+TTYATC+TTYUSE
HRRI T1,ASSCON+ASSPRG
HLRZ F,DEVLST ;SCAN ALL DEVICES
SYS1: ANDCAM T1, DEVMOD(F) ;CLEAR DIRECTORY IN CORE BIT,
;ASSIGNED BY CONSOLE & PROGRAM
SETZB U,DEVLOG(F) ;CLEAR LOGICAL NAME AND U
; FOR NXM LOOP BELOW(SYS2-SYS3)
HLRZ F, DEVSER(F)
JUMPN F, SYS1(P2)
SUBTTL SORT DDB CHAIN AND SET UP GENERIC DEVICE TABLE
;WE MUST NOW SORT ALL DDB'S SO THAT ALL DDB'S
; OF A GIVEN DEVICE CLASS (DTA, LPT, CDR, ...) ARE CONTIGUOUS
; ON THE CHAIN. THAN, WE SET UP THE GENERIC DEVICE TABLE TO POINT
; TO THE 1ST DDB IN EACH SUCH DEVICE CLASS. THIS WILL SPEED UP THE
; GENERIC SEARCH
HLRZ F,DEVLST## ;GET START OF CHAIN
GNSRC0: MOVEI T1,GENTAB## ;GET START OF GENERIC DEVICE TABLE
GNSRC1: HLRZ T2,(T1) ;GET DEVICE NAME FROM TABLE
HLRZ T3,DEVNAM(F) ; AND NAME FROM DDB
CAME T2,T3 ;FOUND DEVICE IN TABLE?
JRST GNSRC2(P2) ;NO, CONTINUE THE SEARCH
HRRZ T2,(T1) ;YES, GET THE POINTER IN THE RH
JUMPN T2,GNSC2A(P2) ;IF ALREADY SET UP, EXIT
HRRM F,(T1) ;NO, PUT DDB ADDRESS IN TABLE
JRST GNSC2A(P2) ;LEAVE THIS SEARCH ROUTINE
GNSRC2:
CAIE T1,GTEND##-1 ;THRU?
AOJA T1,GNSRC1(P2) ;NO, KEEP GOING
JRST GNSRC5(P2) ;NOT FOUND IN GENTAB - TRY NEXT DDB
;FROM HERE ON, WE MUST SORT ALL DDB'S ACCORDING TO DEVICE TYPES
;AC USAGE:
; F = CURRENT DDB
; T1 = PTR TO "LAST" DDB IN DEVICE GROUP
; T2 = MOVING PTR WITHIN DEVICE GROUP
GNSC2A: MOVE T2,F ;INIT MOVING PTR
GNSRC3: MOVE T1,T2 ;INIT "LAST" DDB IN DEVICE GROUP
HLRZ T2,DEVSER(T2) ;GET NEXT DDB
JUMPE T2,GNSRC6(P2) ;END OF CHAIN, WE'RE THRU
HLRZ T3,DEVNAM(F) ;GET DEVICE NAME OF CURRENT DDB
HLRZ T4,DEVNAM(T2) ; AND OF THIS DDB
CAMN T3,T4 ;SAME DEVICE?
JRST GNSRC3(P2) ;YES, GO UNTIL WE GET OUT OF DEVICE GOURP
GNSRC4: MOVE P3,T2 ;SAVE THIS ADDRESS
HLRZ T2,DEVSER(T2) ;NOW, WE START SEARCH TO FIND ANOTHER
JUMPE T2,GNSRC6(P2) ;..DEVICE IN THIS GROUP
HLRZ T3,DEVNAM(F) ;FETCH NAME AGAIN
HLRZ T4,DEVNAM(T2) ;AND NEW NAME
CAME T3,T4 ;IS THIS DDB OUT OF ORDER?
JRST GNSRC4(P2) ;NO
;WE HAVE NOW FOUND A DDB WHICH IS NOT CONTIGUOUS WITH OTHER DDB'S
; OF ITS DEVICE GROUP. WE MUST RE-LINK THEM SO THAT IT BECOMES
; CONTIGUOUS.
HLRZ T3,DEVSER(T2) ;GET NEXT DDB PTR
HRLM T3,DEVSER(P3) ;REMOVE THIS DDB FROM CHAIN
HLRZ T3,DEVSER(T1) ;GET NEXT PTR FROM "LAST" DDB IN GROUP
HRLM T3,DEVSER(T2) ;MAKE US POINT TO NEXT DDB
HRLM T2,DEVSER(T1) ;MAKE LAST DDB POINT TO US
MOVE T1,T2 ;CONTINUE SEARCH
JRST GNSRC4(P2)
GNSRC5: MOVE T1,F ;NOT IN GENTAB, TRY NEXT DDB
GNSRC6: HLRZ F,DEVSER(T1) ;GO TO NEXT DDB AFTER THIS GROUP
JUMPN F,GNSRC0(P2) ;CONTINUE SEARCH IF MORE
;AT THIS POINT, ALL DDB'S SHOULD BE SORTED, SO FALL THRU TO NEXT PAGE.........
IFN FTNET,<
EXTERNAL LOCSTA,JBTLOC
MOVEI T1,LOCSTA ;GET CENTRAL SITE STATION NUMBER
MOVEM T1,JBTLOC ;AND SAVE IN JOB LOCATION TBL
>
;SETUP CORE USE BIT TABLE(CORTAB)
;1 BIT FOR EACH 1K OF POSSIBLE MEMORY
; BIT=0 IF AVAILABLE TO USERS
; BIT=1 IF USED BY MONITOR,USER PROGRAM, OR NON-EXISTENT
; EXISTENT MEMORY MUST BE CONTIGUOUS(OR ELSE CORE SHUFFLER WON'T WORK)
; IF NOT CONTIGUOUS, BANKS ABOVE FIRST NON-EXISTENT ONE ARE IGNORED
INTERN SYSLIM
EXTERN USRLIM,CORMAX,MEMSIZ,CTNMCI,CORE2P,MAXMAX,CORLIM
EXTERN PAGSIZ
SYSLIM: MOVEI T1,CORBLK ;NO. OF BIT BYTES IN CORTAB
IFN FTKI10!FTKL10,<IFN FT22BIT,<
SKIPN FLG256##
MOVEI T1,COR256##
>>
MOVE R,COREP ;1 BIT BYTE POINTER TO FIRST K-1
MOVEI F,PAGSIZ ;CORE SIZE INCREMENT TO UPDATE CORMAX
MOVE P3,[POINT 1,NXMTAB##](P2)
SYS2: IBP R ;MOVE BYTE POINTER UP BY 1K
ILDB T4,P3
CAML U,SYSSIZ ;STILL IN MONITOR(FIRST LOC NOT USED BY MON)?
SKIPE T4 ;NO, SEEN ANY NON-EX 1K YET?
JRST SYS3(P2) ;YES, GO STORE 1 BIT IN CORTAB INDICATING
; 1K NOT AVAILABLE
MOVEM R,CORLST ;NO, SET LAST AVAILABLE BLOCK EVEN HIGHER
MOVEM U,MEMSIZ ;SET SIZE OF PHYSICAL MEMORY EVEN HIGHER
HRRZ T3,CORLIM## ;MAXIMUM CORE AVAILABLE TO A SINGLE USER. DEFINED
; BY MONGEN, MODIFIED BY ONCE
CAMGE P1,T3 ;REACHED MAX YET FOR SINGLE USER?
ADDM F,CORMAX ;NO, INCREASE MAX SIZE CORE AVAIL. TO A USER
ADDM F,MAXMAX ;INCREMENT HIGHEST LEGAL CORMAX
AOS P1,CORTAL ;INCREMENT NO. OF FREE 1K BLOCKS
JRST SYS4(P2) ; AND LEAVE 0 BIT IN CORTAB TO FLAG IT AS FREE
SYS3: MOVEI T2,CTNMCI## ;ASSUME MONITOR CORE
SKIPE T4 ;MONITOR OR NXM?
MOVEI T2,CTNXMI## ;NXM
DPB T2,R ;YES, FLAG THIS 1K AS NOT AVAILABLE(1 BIT IN CORATB)
SYS4: ADDI U,PAGSIZ ;INCREMENT MEMORY REF
CAMN U,SYSSIZ ;AT SYSSIZ?
MOVEM R,CORE2P ;YES, SAVE BYTE POINTER TO CORTAB
SOJG T1,SYS2(P2) ;FINISHED CORTAB YET?
IBP CORLST ;SET TO FIRST UNAVAILABLE BLOCK
ADDM F,MEMSIZ ;SET SIZE OF PHYSICAL MEMORY SO EQUAL
; TO THE FIRST NON-EX MEM ADR
DPB T2,CORLST ;IN CASE CORBLK DEFORMED.6.LT.256
MOVEI P,SYSPDL## ;SETUP PUSH DOWN LIST
IFN FTLOCK, <
MOVE P1,MEMSIZ## ;SIZE OF MEMORY =
MOVEM P1,HOLTOP## ; TOP OF LARGEST UNLOCKED HOLE
>
IFN FTDISK,<
;RECLAIM MONITOR CORE (SIZE OF MONITOR INCREASED
PUSHJ P,ACCINI(P2) ;AT ONCE ONLY TIME) USED BY DISK DEVICE DATA BLOCKS
; (IF THIS IS RESTART)
>
IFE FTPDBS,< ;IF PDB'S STAY IN CORE THE WE NEED TO BUILD ONE FOR THE NULL JOB
SETZ J, ;CLEAR J TO SET UP A PDB FOR THE NULL JOB
PUSHJ P,CREPDB## ;ALLOCATE A PDB
HALT . ;NO SPACE!
IFN FTTRACK,<
PUSHJ P,SETPDB## ;INITIALIZE THE PDB
>>
IFN FTSWAP, <
PUSHJ P,SWPINI(P2) ;INIT SWAPPING SPACE ALLOCATION
>
INTERN FTTMP
IFN FTTMP,<
EXTERN TMPINC
SKIPE [TMPINC](P2) ;SKIP IF TMPCOR INITIALIZATION NOT TO BE CALLED
PUSHJ P,TMPINI(P2) ;FLUSH ALL TEMPORARY (CCL) IN CORE FILES
>
IFN FTSPL,<
MOVE T1,TIME## ;INITIALIZE SPOOL NAME GENERATOR TO RANDOM START
IDIVI T1,^D3600 ;START WITH MINUTES SINCE MIDNIGHT
ADD T1,THSDAT## ;PLUS DATE
MOVEM T1,SPLGEN## ;SAVE FOR FILSER
>
IFN FTEQDQ,<
SKIPN [HSHTAB](P2) ;SKIP IF INITIALISATION IS TO BE DONE
JRST IOGOA(P2)
MOVNI T1,HSHLEN## ;GET LENGTH OF HASH TABLE
JUMPE T1,ENQX(P2) ;DONE IF NO ENQ/DEQ
HRLS T1 ;PUT IN LEFT HALF
HRRI T1,HSHTAB## ;SET POINTER TO HASH TABLE
ENQLUP: HRRM T1,(T1) ;MAKE RIGHT HALF POINT TO ITSELF
HRLM T1,(T1) ;AND LEFT HALF TOO
AOBJN T1,ENQLUP(P2) ;BUMP POINTER AND COUNTER
ENQX:
>
IOGOA: MOVEI T1,IOGO(P2)
HRRM T1,SYSDSA## ;FALL INTO IOGO
;INITIALIZE ALL IO DEVICES
INTERNAL IOGO
EXTERNAL DEVLST, JBTADR,JBTSTS,JOB,.C0CDB
EXTERNAL SYSPDL,JOBMAX,CLRJOB,AP0RST,IADPTR,CRSHWD,SYSSNP,CURJOB
PIBITS==PI.CPI!PI.TFP!PI.OFF ;COMMON BITS TO ALL PROCESSORS
IFN FTKA10!FTKI10,<PIBITS==PIBITS!II.ACO!II.CPP!PI.CPE> ;KA,KI BITS
IFN FTKL10,<PIBITS==PIBITS!LI.ACO!LI.CPP> ;DON'T LIGHT PI.CPE - IT MAKES KL WRITE EVEN PARITY!!
IOGO: CONO PI,PIBITS ;CLEAR PI SYSTEM (AND MEM PARITY)
IFN FTKL10,<
CONO APR,LP.CSF!LP.PAR
>
; DO NOT CLEAR POWER FAIL AS THIS DISABLES
; POWER FAILURE INTERRUPTS
IFN FTMS,< EXTERNAL SPRINI
SKPCPU (0)
JRST SPRINI ;SLAVE! GO START IT GOING
JSP T1,TWOCHK## ;GO CHECK IF OTHER CPU ALSO IN SYSINI
>
CONO APR,AP0RST ;APR RESET (IO RESET)
IFN FTKL10,<
PUSHJ P,ENTSPC ;START SECONDARY PROTOCOL UP
>;END IFN FTKL10
MOVEI P4,.C0CDB## ;SET UP P4
PUSHJ P,SETIME## ; TO INITILIZE GETIME
MOVE T2,DDTUSY## ;PRESERVE SYMBOL POINTERS
MOVE T3,DDTSYM## ; ..
IFN <FTKI10!FTKL10>&FTMS,<
MOVE T4,BOOTWD## ;PRESERVE BOOTWD FOR CPU0,CPU1 CHECK
>
SETZM 20 ;CLEAR 20-37
MOVSI T1,20 ; ..
HRRI T1,21 ; ..
BLT T1,37 ;40 UP CLEARED BY BOOT STRAPS
MOVEM T2,DDTUSY ;RESTORE SYMBOL POINTERS
MOVEM T3,DDTSYM ; ..
IFN <FTKI10!FTKL10>&FTMS,<
MOVEM T4,BOOTWD## ;RESTORE BOOTWD
>
HRRZS .C0MPC## ;CLEAR SERIOUS PARITY ERROR FLAG WHICH
; CAUSES HALT AFTER CTY PRINTING
SETZM HNGLST## ;ZERO ADDRESS OF DEVICES WHICH SHOULD BE HUNG CHECKED
HLRZ F, DEVLST ;CHAIN OF DEVICE DATA BLOKS
IOG0: MOVEI T2,ASSPRG ;CLEAR ASSIGNED BY PROGRAM BIT
ANDCAB T2,DEVMOD(F)
HRLOI J,777701 ;DO NOT CLEAR HUNG DEVICE COUNT SETTING
TRNE T2,ASSCON ;ASSIGNED BY CONSOLE?
TLO J,774000 ;YES, DO NOT CLEAR JOB NO.
ANDM J,DEVCHR(F) ;CLEAR HUNG DEVICE COUNT.
SETZM DEVIOS(F) ;CLEAR IO STATUS WORD
SETZB U, DEVBUF(F) ;CLEAR BUFFER ADDRESSES
TLNE T2,DVDTA ;IS THIS A DECTAPE?
DPB U,IADPTR ;YES, SET NO. OF USER CHANNELS INITED
; ON THIS DEVICE TO 0
LDB T1,PDVTYP## ;DEVICE TYPE
CAIE T1,.TYTTY/.TYEST ;A TTY?
CAIN T1,.TYPTY/.TYEST ;OR A PTY?
JRST IOG00(P2) ;YES
SKIPN HNGLST## ;NO, ALREADY SEEN A DEVICE?
HRLM F,HNGLST## ;NO, STORE ADDRESS OF FIRST DEVICE TO HUNG CHECK
IOG00: HLRZ F, DEVSER(F)
JUMPN F, IOG0(P2)
MOVEI P,ONCPDL## ;REUSABLE SPACE(SEE IOINI1)
PUSHJ P,NXTINI(P2) ;ALWAYS INITILIZE SCHEDULER FIST
;SO DEVICES MAY RESET QUEUES IF DESIRED
HLRZ P3,DEVLST ;ADDR OF FIRST DDB
SETZM S,SAVITM
IOG01: MOVE F,P3 ;SET UP F FOR INITIALIZATION CODE
; (NOT ALWAYS USED)
MOVE P3,DEVSER(P3)
HRRZ T1,P3
CAIE T1,@SAVITM ;SAME DEVICE
PUSHJ P,DINI(P3) ;NO. INITIALIZE IT.
HRRZM P3,SAVITM ;SKIP RETURN IF INITIALIZATION CODE IS TO BE CALLED
; FOR EACH DEVICE (I.E. MULTIPLE LINE PRINTERS)
HLRZS P3
JUMPN P3,IOG01(P2) ;INITILIZE CLOCK
PUSHJ P,CLKINI(P2) ;YES,INITILIZE CLOCK
INTERN FTRTTRP
IFN FTRTTRP,<
EXTERN RTINIC
SKIPE [RTINIC](P2) ;SKIP IF REAL TIME INITIALIZATION NOT TO BE CALLED
PUSHJ P,RTINI(P2) ;INITIALIZE PI CHANNELS AND RT DEVICES
>
INTERN FTLOCK
IFN FTLOCK,<
EXTERN LOKINC
SKIPE [LOKINC](P2) ;SKIP IF LOCK INITIALIZATION NOT TO BE CALLED
PUSHJ P,LOKINI(P2) ;INITIALIZATION FOR LOCK UUO
>
IFN FTSWAP,<
PUSHJ P,QINI(P2) ;PUT ALL JOBS IN NULL QUEUE IF SWAPPER
>
SETZM JOB
MOVEI J,JOBMAX ;MAX INDEX IN JOB AND HIGH SEG TABLES
IOG2: HRLOI T2,JNA+JLOG+SWP ;CLEAR ALL BUT JOB NO. ASSIGNED,
ANDM T2,JBTSTS(J) ;JOB LOGGED IN(SHRSEG, IF HIGH SEG)
; AND JOB SWAPPED BITS
SKIPE R,JBTADR(J) ;DOES THIS JOB HAVE CORE IN MEMORY?
PUSHJ P,CLRJOB ;YES, CLEAR JOB DATA AREA PROTECTED
IOG3: SOJG J,IOG2(P2) ;FROM IO SERVICE(DEVICE ASSIGNMENT TABLE)
;AND SET JERR BIT SO JOB CANNOT CONT
; FINISH WITH J=0 FOR NULL JOB
IFN FTMS,<
JSP T1,TWOCHK## ;CHECK AGAIN FOR OTHER CPU IN SYSINI
>
TRNN P2,-1 ;SKIP IF SYSINI WAS OVERLAYED
JRST IOG4(P2) ;JUMP IF SYSINI WILL BE SAVED
MOVSI T1,(HALT) ;NO, PATCH OUT CALLS TO SYSINI
HRRI T1,SYSDSA## ;MAKE ALL HALTS NOT BE CONTINUABLE
MOVEM T1,SYSDSA## ;IOGO
MOVEM T1,SYSINA ;SYSINI
MOVEM T1,SYSIN2 ;JRS2
IFN FTDISK,<
MOVEM T1,DSKDSP##+DINI ;DSKINI
>
MOVEM T1,SCNDSP##+DINI ;TTYINI
SKIPE [DTADSP##](P2)
MOVEM T1,DTADSP##+DINI
SKIPE [PTYDSP##](P2)
MOVEM T1,PTYDSP##+DINI
IOG4:
MOVSI T1,(CAI) ;SETUP NO-OP IN CASE NO EDDT
IOG5:: HLLM T1,SYSDDT## ;TURN 401 INTO A CAI UNLESS EDDT STILL AROUND
MOVE T1,TIME## ;GET TIME OF DAY AS UPDATED DURING TTY LOOP
MOVEM T1,TIMLST## ;STORE CURRENT TIME FOR UDT CALCULATION
MOVE T2,TICSEC## ;TICS PER SECOND
LSH T2,-1 ;DIVIDE BY 2
ADD T1,T2 ;AND ROUND
IDIV T1,TICMIN## ;MINUTES IN T1, REMAINDER IN TICS
PUSH P,T2 ;SAVE REMAINDER
IDIVI T1,^D60 ;HOURS IN T1, MINUTES IN T2
MOVEM T1,LOCHOR## ;UPDATE GETTAB HOURS
MOVEM T2,LOCMIN## ;AND MINUTES
POP P,T1 ;GET BACK REMAINING TICS
IDIV T1,TICSEC## ;AND ROUND TO SECONDS
MOVEM T1,LOCSEC## ;AND STORE
PUSHJ P,SUDATE## ;SET UP UNIVERSAL DATE-TIME
IFN FTKL10,<
MOVE T1,.CPEBS##(P4) ;GET EBOX TICKS/SECOND
IDIV T1,TICSEC## ;AND NOW GET EBOX COUNTS/JIFFY
IMULI T1,.EBCPT ;MULITPLY BY EBOX COUNTS/TICK
MOVEM T1,.CPEBJ##(P4) ;STORE IN CDB VARIABLE
MOVE T1,.CPMBS##(P4) ;GET MBOX TICKS/SECOND
IDIV T1,TICSEC## ;GET MBOX COUNTS/JIFFY
IMULI T1,.MBCPT ;MULTIPLY BY MBOX COUNTS/TICK
MOVEM T1,.CPMBJ##(P4) ;SAVE
PUSHJ P,TIMINI(P2) ;START JIFFIES COMING
IFN FTEMRT,<
PUSHJ P,ACCMON## ;START UP ACCOUNTING METERS
PUSHJ P,CLREBT## ;CLEAR OUT E AND MBOX ACCOUNTING METERS
PUSHJ P,CLRMBT##
>;END IFN FTEMRT
>;END IFN FTKL10
IFN FTKI10!FTKL10,<
EXTERN KIINC
SKIPE [KIINC](P2)
PUSHJ P,KIINI(P2)
>
IFN FTKL10,<
; EXECAC ;MAKE SURE AC BLOCKS ARE OK
DATAO PAG,[LG.LAB+01B11](P2) ;BUT CAN'T USE MACRO SINCE WE MUST RELOCATE
MOVEI T1,LG.CSL!LG.CSW
IORM T1,.C0EBR
CONO APR,LP.CSF+LP.CSD
DATAI CCA,0
CONSO APR,LP.CSD
JRST .-1(P2)
CONO APR,LP.CSF+LP.CSD
CONO PAG,@.C0EBR
>
CONO APR,AP0NUL## ;CLEAR ALL APR ERRORS (DO NOT DO RESET)
CONO PI,PI.EPE!PI.CPI!PI.TNP!PI.ON!II.ACO ;TURN ON ALL PI CHANNELS (ENABLE MEM PARITY)
IFN FTKL10,<
PPCPAT::PUSHJ P,STMPPC## ;INITIALIZE PRIMARY PROTOCOL
JFCL ;IGNORE POSSIBLE ERROR
>
IFN FTDAEM,<
MOVEI T1,.ERWHY ;MONITOR RELOAD CODE
PUSHJ P,DAERPT## ;TELL DAEMON MONITOR WAS RELOADED
>
SJSP U,NULJB1 ;START THE NULL JOB (J ZERO, U NON-ZERO)
SAVITM=40
SUBTTL FILUUO INITIALIZATION
IFN FTDISK,<
;ROUTINE TO RESTORE DDB CHAIN
;CALLED BY SYSINI ON 143 RESTART ONLY
EXTERN DINITF,DSKDDB,SYSPPB,SYSDOR,FREPTR,SYSBG3
EXTERN TABSTR
ACCINI: SETZM DINITF ;CLEAR "IN ONCE-ONLY CODE" FLAG
PUSHJ P,DSKINI(P2) ;CLEAN UP ALL DISK DDBS
MOVSI T1,DVDSK ;SET TO TEST DEVICE DISK
MOVEI F,DSKDDB ;PROTOTYPE DDB (SWPDDB COMES BEFORE DSKDDB
; AND SO IS NOT REMOVED
ACCIN2: HLRZ F,DEVSER(F) ;STEP TO NEXT DDB IN CHAIN
JUMPE F,ACCIN3(P2) ;THROUGH IF 0
TDNE T1,DEVMOD(F) ;IS IT A DISK?
JRST ACCIN2(P2) ;NO. LOOK AT NEXT
ACCIN3: HRLM F,DSKDDB+DEVSER ;YES. SAVE LINK TO NON-DSK IN PROTO.
SETZM SYSPPB ;INSURE THAT SYSPPB
SETZM SYSDOR ;AND SYSDOR ARE 0
MOVE T1,FREPTR ;FREE-CORE WORD
TRNE T1,-1 ;HAS IT BEEN SET UP YET?
SETZM (T1) ;YES, ZERO THE FREE CORE TABLE
AOBJN T1,.-2(P2)
MOVEI T1,SYSBG3+1 ;SET UP TO ZERO JOB TABLES
CAILE T1,SYSEN3
JRST ACCIN6(P2)
HRLI T1,SYSBG3 ; WHICH ARE STORED IN COMMOD
SETZM SYSBG3
BLT T1,SYSEN3 ;ZAP - THEY'RE ZERO
ACCIN6:
IFN FTSTR,<
;-------NOTE THAT THE FOLLOWING CODE USES P1 AS THE BASE REGISTER-----------
MOVE P1,P2
MOVE T1,STRAOB## ;INITIZE ALL STR DATA BLOCKS
ACCIN4: MOVE T3,TABSTR(T1) ;SETT2=STR D.B.ADDR.
JUMPE T3,ACCIN5(P1) ; IF 0 THEN NO F.S. FOR THIS #
SETZM STRJOB##(T3) ;CLEAR STRJOB
SETZM STRMNT##(T3) ;SET MOUNT COUNT 0
MOVE P2,SYSSRC## ;IN SYSTEM SEARCH LIST?
PUSHJ P,SLFNA##
JRST ACCIN5(P1) ;NO
AOS STRMNT(T3) ;YES - BUMP MOUNT COUNT
ACCIN5: AOBJN T1,ACCIN4(P1) ;CHECK ALL STRS
MOVE P2,P1
;------END OF P1=BASE REGISTER CODE---------
>
POPJ P, ;AND RETURN
;INITIALIZE DISK CALLED BY 140 START, RESTART, 143 RESTART
;CALLED FROM ONCE ONLY CODE, ACCINI, SYSINI(DEVICE INIT.)
EXTERN DEVQUE,DEVUNI,DSKDDB,DEVMBF,GVMNBF,DEVACC,ACCSTS,ACMCNT,DECRDR
EXTERN ATRMOV,CLRDDB,BUFLST,CHNQUE,IOSRDC,KONCHN,KONTAB,MBFNUM,MQREQ
EXTERN KONUPA,SYSEN3,UNIKON,UNIQUE,UNISTS,UNVDWN,UNYUST,ACMCNM,SAVE2
INTERN DSKINI
DSKINI: MOVEI F,DSKDDB ;PROTO. DDB LOC
PUSHJ P,SAVE2 ;SAVE P2 AND P1
HRRZ P2,SYSINA ;SETUP RELOCATION REGISTER
SUBI P2,SYSINI ;ACTUAL SYSINI-LOADED SYSINI
DSKIN1: HLRZ F,DEVSER(F) ;STEP TO NEXT DDB
JUMPE F,DSKIN2(P2) ;NOT A DISK IF 0
MOVE T1,DEVMOD(F) ;CHARACTERISTICS WORD
TLNN T1,DVDSK ;DISK?
JRST DSKIN2(P2) ;NO
SETZM DEVQUE(F) ;YES. ZERO SOME DDB STUFF
SETZM DEVUNI(F)
SKIPE T1,DEVMBF(F) ;HAVE A MON BUF?
PUSHJ P,GVMNBF ;YES. CLEAR IT
HRRZ T1,DEVACC(F) ;LOC OF A.T.
JUMPE T1,DSKIN4(P2) ;NO A.T. IF 0
MOVE T2,ACCSTS(T1) ;STATUS OF FILE
TRNN T2,ACMCNT ;BEING READ (DEVIOS HAS BEEN ZEROED)
JRST DSKIN6(P2) ;NO. FILE MUST BE WRITING
TLNE S,IOSRDC
PUSHJ P,DECRDR ;YES, DECREASE NUMBER OF READERS
TRNN T2,ACMCNM ;UPDATE, ONLY USER IF COUNT NOW=1
DSKIN6: PUSHJ P,ATRMOV ;NO MORE READERS - REMOVE A.T.
DSKIN4: MOVE T1,DEVMOD(F)
TRNN T1,ASSCON ;DDB ASIGNED BY CONSOLE?
PUSHJ P,CLRDDB ;NO. CLEAR IT OUT
JRST DSKIN1(P2) ;AND CONTINUE
DSKIN2: HLRZ U,SYSUNI ;LOC OF 1ST UNIT IN SYS
SKIPN U ;IS THERE ONE?
STOPCD TSTHRU(P2),DEBUG,NFU, ;++NO FIRST UNIT
DSKIN3: MOVE T1,UNISTS##(U)
CAIE T1,O2COD##
SETZM UNISTS(U) ;CLEAR OUT SOME STUFF
SETZM UNIQUE(U)
HRRZ J,UNIKON(U) ;GET ADR. OF KONTROLLER DATA BLOCK FOR THIS UNIT
HRRZS KONTAB(J) ;INDICATE KONTROLLER IS FREE
LDB T1,UNYUST ;GET UNIT STATUS
SKIPN DINITF ;DONT CHECK FOR KONTROLLER UP IF IN ONCE-ONLY CODE
CAIN T1,UNVDWN ;IS IT DOWN?
JRST DSKIN5(P2) ;YES - DON'T CHECK WHETHER KONTROLLER IS UP OR DOWN
PUSHJ P,@KONUPA(J) ;CHECK WHETHER KONTROLLER FOR THIS UNIT IS UP
STOPCD .-1(P2),HALT,KID, ;KONTROLLER IS DOWN
SETOM @KONCHN(J) ;SET CHAN AVAILABLE
HRRZ T1,KONCHN(J) ;LOC OF CHAN DATA BLOCK
SETZM CHNQUE(T1) ;INDICATE CHAN QUEUE IS EMPTY
DSKIN5: HLRZ U,UNISYS(U) ;STEP TO NEXT UNIT IN SYSTEM
JUMPN U,DSKIN3(P2) ;FIX IT UP
TSTHRU: MOVN T1,MBFNUM ;NUMBER OF MON BUFFERS
MOVEM T1,MQREQ ;SAVE IN MQREQ
IFN FTDUFC,<
SETOM MQ2WAT## ;INITIALIZE NO. OF JOBS WAITING FOR 2 MON BUFS
>
HRRZ T2,BUFLST ;LOC OF 1ST MON BUFFER
HRRZS (T2) ;SET IT AVAILABLE
SETZM MBFJOB##(T2) ;THE SCHEDULAR LOOKS AT THIS
MOVE T2,(T2) ;STEP TO NEXT
AOJL T1,.-3(P2) ;MAKE IT AVAILABLE IF THERE
SKIPN DINITF ;IN ONCE ONLY CODE?
PUSHJ P,WTSATS(P2) ;NO. WRITE SATS WHICH HAVE CHANGED
SETZM DSKDDB+DEVIOS ;ZERO THE S WORD IN PROTOTYPE DDB
POPJ P, ;AND RETURN
;SUBROUTINE TO WRITE ALL SATS FOR ALL UNITS IF THEY HAVE CHANGED
;THIS IS ONLY USED AT RESTART (140,143)
;THEN FIX IT UP AND RETURN)
EXTERN SYSSIZ,SAVT,DSKPIN,ONCWAT,DSKDDB,SYSUNI,WTUSAT,UNISYS,PWAIT1,PWAITZ
INTERN RSPWT1
WTSATS: MOVEM P,@SYSSIZ ;SINCE SYSPDL ISNT LONG ENOUGH, SAVE P
MOVE P,SYSSIZ ;AT LEAST THE NEXT 40 LOCS ARE USABLE AS PD LIST
PUSHJ P,SAVT ;SAVE ALL ACS
CONO PI,DSKPIN+200 ;TURN ON PI
MOVE T1,[JRST ONCWAT](P2) ;SET UP A FAKE PWAIT1
MOVEM T1,PWAIT1 ;TO USE DURING WRITING OF SATS
MOVEI F,DSKDDB ;USE THE PROTOTYPE DDB TO WRITE FROM
HLRZ U,SYSUNI ;LOC OF 1ST UNIT DB
WTSAT2: PUSHJ P,WTUSAT ;WRITE SATS FOR UNIT WHICH HAVE CHANGED
HLRZ U,UNISYS(U) ;STEP TO NEXT
JUMPN U,WTSAT2(P2) ;GO IF THERE IS A UNIT
MOVE P,@SYSSIZ ;RESTORE P
RSPWT1: MOVE T1,PWAITZ ;RESTORE REAL PWAIT1
MOVEM T1,PWAIT1
POPJ P,
;HERE TO SEE IF AN RC-10 KONTROLLER IS UP
; AND IF SO, LEAVE PI SET UP FOR TIMESHARING.
; IF NOT, LEAVE ERRORS IN THE LIGHTS
INTERN FHXUPA
FHXUPA: LDB T1,KOYPI## ;GET PI FOR THIS KONTROLLER
TRO T1,FHALCL## ;CLEAR ALL ERROR FLAGS
XCT FHXCOT##(J) ;CONO FH'N,(T1)
XCT FHXCI1##(J) ;CONI FH'N,T2
TRNN T2,1B23!1B31!1B32 ;ANYTHING WRONG
TRNN T2,7 ;ARE THE PI BITS THERE?
POPJ P, ;YES - ERROR RETURN
JRST CPOPJ1 ;OK RETURN
;HERE TO SEE IF AN RP-10 KONTROLLER IS UP
INTERN DPXUPA
DPXUPA: PUSHJ P,SAVE2## ;SAVE P1-P2
HRRZ P2,SYSINA## ;SETUP RELOCATION REGISTER FOR SYSINI
SUBI P2,SYSINI ;ACTUAL SYSINI - LOADED SYSINI
LDB T2,KOYPI## ;PI CHANNEL FOR THIS KONTROLLER
TRO T2,DPCLR## ;CLEAR ALL ERROR FLAGS
XCT DPXCO1##(J) ;DO THE CONO
MOVE T1,[XWD 500000,DPATTN##](P2)
XCT DPXDOT##(J)
XCT DPXCIT##(J)
TRNE T1,7 ;CONTROLLER ON-LINE?
TRNE T1,175770 ;YES. TEST ALL BUT DISK NRDY
POPJ P,
XCT DPXDI1##(J) ;DATAI DP'N, T2
TLNN T2,1 ;WRITE-HEADER LOCKOUT ON?
SETZ T1, ;NO, SO INDICATE
JRST CPOPJ1
;HERE TO SEE IF AN RH-10 KONTROLLER IS UP
RPXUPA::PUSHJ P,SAVE2##
SETOM RPXFLG##(J)
LDB T4,KOYPI## ;PI
IFN FTKL10,<
PUSHJ P,RPXSTW## ;SET P1=0 IF RH10, =1 IF RH20
SKIPE P1 ;IF AN RH20,
TROA T4,4410 ; CLEAR THESE BITS
>
TRO T4,RPALCL##+40 ;CLEAR ALL ERROR BITS, ATTEN ENABLE
XCT RPXCO4##(J) ;CONO RPX,(T4)
XCT RPXCI2##(J) ;CONI RPX,T2
IFE FTKL10,<
TRNN T2,2030 ;PS FAIL, BUSY OR DONE UP?
>
IFN FTKL10,<
HRRZ P2,SYSINA##
SUBI P2,SYSINI
ADDI P1,(P2)
TDNN T2,[2030
515020](P1)
>
TRNN T2,7 ;NO, PI UP?
POPJ P, ;DOWN
PJSP T1,CPOPJ1 ;UP, SET T1 NON-0 (WH LOCKOUT), AND RETURN
FSXUPA::LDB T4,KOYPI## ;PI
TRO T4,FSALCL## ;CLEAR ALL ERROR BITS
XCT FSXCO4##(J) ;CONO FSX,(T4)
XCT FSXCI2##(J) ;CONI FSX,T2
TRNN T2,2030 ;PS FAIL, BUSY OR DONE UP?
TRNN T2,7 ;NO, PI UP?
POPJ P, ;DOWN
PJSP T1,CPOPJ1 ;UP, SET T1 NON-0 (WH LOCKOUT), AND RETURN
> ;END CONDITIONAL ON FTDISK
SUBTTL SWPSER
IFN FTSWAP,<
;ROUTINE TO RE-INITIALIZE THE SWAPPING AVAILABILITY TABLE. CALLED AT
; SYSTEM INITIALIZATION TIME.
EXTERNAL VIRTAL,TPOPJ,K4SWAP,SATCN
EXTERN CPOPJ,SWPUNI,SQREQ,SERA,UNIFKS,UNIPTR,UNISWP,SWPDDB,PJOBN
SWPINI: MOVEI T1,ASSCON ;FLAG SWAPPER DDB AS ASSIGNED BY CONSOLE
IORM T1,SWPDDB+DEVMOD ;SINCE IT APPEARS IN SYSTEM DDB LIST (BEFORE PROTOTYPE
; ELSE USERS COULD INIT IT.
MOVEI T1,0 ;MAKE SURE ASSIGNED TO JOB 0
DPB T1,PJOBN
HLRZ U,SWPUNI ;GET ADDR OF FIRST UNIT FOR SWAPPING
JUMPE U,CPOPJ ;EXIT IF NOT A UNIT DATA BLOCK
SETZM SQREQ ;CLEAR SWAPPPING LOCS
SETZM SERA
SETZM VIRTAL ;START TOTAL VIRTUAL CORE FOR SYSTEM AT 0
SWPIN1: SETZM UNIFKS(U) ;CLEAR FREE J FOR SWAP
SKIPL T1,UNIPTR(U) ;SKIP IF SWAPPING SPACE ON THIS UNIT
JRST SWPIN2(P2) ;NONE
HLRE T2,T1 ;T2=-LENGTH OF SWAPPING SAT
HRLS T1 ;T1=ADDR IN BOTH HALVES
SUBB T1,T2 ;T1=BLT PTR
MOVSS T1
BLT T1,-1(T2) ;COPY INITIAL SWAPPING SAT
MOVE T1,UNIPTR(U) ;PTR TO SWAPPING SAT
IFN FTVM,<
MOVSI T2,400000 ;MAKE LOGICAL BLOCK 0 BE UNAVAILABLE
IORM T2,(T1) ; SINCE SLOT=0 MEANS PAGE NOT IN USE AT ALL
>
PUSHJ P,SATCN ;COUNT 0 BITS=FREE K
ADDM T2,VIRTAL ;COUNT TOTAL IN SYSTEM
MOVEM T2,UNIFKS(U) ;AND GET FOR UNIT
SWPIN2: HLRZ U,UNISWP(U) ;NEXT UNIT IN SWAP LIST
JUMPN U,SWPIN1(P2) ;LOOP FOR ALL UNITS IN SWAP LIST
MOVE T1,VIRTAL ;GET #K VIRTUAL CORE IN SYSTEM
MOVEM T1,K4SWAP ;AS #K FOR SWAPPING IN SYSTEM
IFN FTVM,<
MOVEM T1,VMCMAX## ;SAVE AS MAX K FOR VIRTUAL JOBS
>
POPJ P,
> ;END CONDITIONAL ON FTSWAP
SUBTTL TMPUUO INITIALIZATION
IFN FTTMP,<
;SUBROUTINE TO INITIALIZE TMPCOR UUO'S
EXTERN TMPTAB,MJOBN,JBTTMP
TMPINI: HLLZ T2,TMPTAB+1 ;LIMIT OF TEMP FILES PER USER
MOVSI T1,MJOBN
MOVEM T2,JBTTMP(T1)
AOBJN T1,.-1(P2)
MOVE T1,TMPTAB ;FREE DATA SPACE,ADDRESS OF TABLE
MOVEM T1,JBTTMP ;SET UP SPACE, ADDR OF NULL LIST
HRRZ T2,TMPTAB+1 ;COUNT OF BLOCKS
TMPIN1: ADDI T1,TMPBL+1 ;LINK ALL BLOCKS TO NULL LIST
HRRZM T1,-TMPBL-1(T1)
SOJG T2,TMPIN1(P2)
HLLZS -TMPBL-1(T1) ;DONT LINK LAST BLOCK
POPJ P,
> ;END CONDITIONAL ON FTTMP
SUBTTL SCHED1 INITIALIZATION
IFN FTSWAP,<
;INITIALIZE SCHEDULER (CALLED FROM SYSINI BEFORE ALL OTHER
; DEVICES ARE INITIALIZED)
EXTERN AVALTB,REQTAB,QJOB,XJOB,.C0QUE,AVLNUM,USRTAB
NXTINI: MOVEI T1,AVLNUM ;MAXIMUM NUMBER OF QUEUES
SETZM AVALTB(T1) ;CLEAR SHARABLE DEVICE AVAIL. FLAGS
SETZM USRTAB(T1) ;CLEAR SHARABLE RESOURCE OWNER
SETOM REQTAB(T1) ;SET SHARABLE DEVICE REQUEST COUNT
; TO -1, I.E. NO JOB WAITING OR
; USING DEVICE OTHER THAN INITIALIZATION
SOJGE T1,.-3(P2)
SETZM QJOB ;CLEAR NUMBER OF JOBS NEEDING REQUEING
SETZM XJOB ;CLEAR NUMBER OF JOBS NEEDING EXPANDING
SETZM .C0QUE ;CLEAR JOB NUMBER TO BE REQUEUED
POPJ P,
;QUEUE INITIALIZATION
;PUT ALL JOBS IN NULL QUEUE(JOB NO. NOT ASSIGNED)
;CALLED ON RESTART AT LOC. 143
EXTERNAL CPOPJ,JOBMAX,MXQUE,JBTQ,NULQ
EXTERNAL JBTQP1 ;EQUALS JBTQ+1
EXTERNAL JBTQM1 ;EQUALS JBTQ-1
EXTERNAL JBTQMN ;EQUALS JBTQ-NULQ
QINI: MOVNI T1,MXQUE ;MAKE ALL QUEUE HEADERS POINT TO THEMSELVES
HRL T1,T1 ;BACKWARD POINTERS TOO
MOVEM T1,JBTQ(T1)
AOBJN T1,.-1(P2)
IFN FTNSCHED,<
MOVEI T1,M.DCLS##
MOVEM T1,DEFCLS##
MOVEI T1,M.UTEF## ;DEFAULT FOR EXPONENTIAL FACTOR
MOVEM T1,SCDEXF## ;STORE DEFAULT
MOVNI T1,M.CLSN## ;MAKE SUBQUEUES POINT TO THEMSELVES ALSO
HRL T1,T1
MOVEM T1,JBTSQ##(T1)
AOBJN T1,.-1(P2)
>;END FTNSCHED
MOVNI T1,NULQ ;PUT JOBS ALL IN NULQ QUEUE
MOVSM T1,JBTQP1 ;BACK POINTER FOR JOB 1
MOVEI J,JOBMAX ;MAX. JOB NO.
MOVEM T1,JBTQ(J) ;FOR. POINTER OF JOBMAX JOB NO.
HRLM J,JBTQMN ;SET NULQ HEADER TO POINT TO JOB1
MOVEI T1,1 ;AND JOBMAX
HRRM T1,JBTQMN ;FORWARD POINTER
MOVEI T2,NULQ ;SET UP QUE NUMBER
QINI1: HRRM J,JBTQM1(J) ;JOB I-1 POINT TO JOB I
SETZM JBTQ
DPB T2,PJBST2## ;STORE INITIAL QUE NUMBER
SOJLE J,CPOPJ ;FINISHED?
HRLM J,JBTQP1(J) ;BACK POINTER JOB I+1 POINTS TO JOB I
JRST QINI1(P2)
> ;END CONDITIONAL ON FTSWAP
SUBTTL CLOCK1 INITIALIZATION
EXTERN CIPWTM,CLOCK
CLKINI: MOVEI T1,CIPWTM ;SETUP CLOCK QUEUE BYTE POINTER
HRRM T1,CLOCK ;LH NEVER CHANGES(36 BIT BYTE)
POPJ P,
SUBTTL KL10 60HZ INTERRUPT INITIALIZATION
;THIS ROUTINE CALLED AT THE POINT AT WHICH WE WOULD
; LIKE CLOCK TICKS TO START HAPPENING.
IFN FTKL10,<
TIMINI:
REPEAT 0,<
MOVSI T1,(ST%ITA)
TDNE T1,CNFST2##
JRST TIMIN1(P2)
>;END REPEAT 0
CONI MTR,T1
CONO MTR,AP0CHN##(T1) ;SETUP METER PI ASSIGNMENT
MOVE T1,[JSR TM0INT##](P2) ;GET TIMER INTERRUPT INST.
MOVEM T1,.EPTII## ;MOVE INTO EPT TRAP LOC
MOVEI T1,^D1666 ;ASSUME 60HZ
MOVE T2,STATES##
TLNE T2,(ST.CYC) ;IS OUR ASSUMPTION CORRECT?
MOVEI T1,^D2000 ;NO, 2000 IS INTERVAL
CONO TIM,TO.CTD!TO.CIT!TO.SIT(T1) ;START TIMER GOING
POPJ P, ;RETURN
REPEAT 0,<
;HERE IF 11 IS TO BE USED FOR 60HZ INTERRUPTS
TIMIN1: MOVEI T1,.DTCLK+1 ;CLOCK CONTROL, ON
SETZM .C0IPI## ;INTERNAL TIMER HAS NO PI ASSIGNMENT
JSR SPCCMD## ;TURN ON INTERRUPTS
POPJ P,
>;END REPEAT 0
>;END IFN FTKL10
SUBTTL KI10 OR KL10 INITIALIZATION
IFN FTKI10!FTKL10,<
KIINI:
MOVEI T1,NUPMPP## ;ADDRESS OF THE NULL JOB'S UPMP
MOVEM T1,JBTUPM##+0 ;STORE IT
MOVE T1,[JSR LUUOPC##](P2)
MOVEM T1,.EPIL##+1 ;PREPARE FOR EXEC MODE LUUOS
MOVEI T1,PAGTAB-400000;MAKE PAGTAB ADDRESSABLE VIA THE EXEC MAP
ROT T1,W2PLSH##-1 ;SLOT IN THE EXEC MAP (BIT 0 DETERMINES RIGHT
; OR LEFT HALF WORD)
TLZN T1,400000 ;IS BIT ZERO ON OR OFF?
TDOA T1,[POINT 18,.EPPM##](P2)
TDO T1,[POINT 18,.EPPM##,17](P2)
LDB T2,[POINT 9,SYSSIZ##,26](P2)
TRO T2,PM.ACC+PM.WRT!<IFN FTKL10,<PM.CSH>>;ACCESS ALLOWED PLUS WRITABLE
MOVE T4,MEMSIZ## ;HIGHEST ADDRESS + 1
IFN FTMONL,<
CAMGE T4,NWCORE## ;GREATER THAN HIGHEST ADDRESS SYSTEM WAS MONGENED FOR?
MOVE T4,NWCORE## ;NO, USE THAT TO SETUP PAGTAB AND MEMTAB
MOVEM T4,NWCORE## ;SAVE LARGER AS MAX CORE WHICH CAN BE SET ON LINE
>
LDB T3,[POINT 5,T4,17](P2)
TRNE T4,-1 ;IF NOT A 256K BOUNDARY,
ADDI T3,1 ;ANOTHER PAGE IS NEEDED
PUSH P,T3 ;SAVE NUMBER OF PAGES REQUIRED FOR PAGTAB
IDPB T2,T1 ;MAKE PAGTAB ADDRESSABLE THROUGH THE EXEC MAP
ADDI T2,1 ;NEXT PAGE IN THE EXEC MAP
SOJG T3,.-2(P2) ;MAP THE REQUIRED NUMBER OF PAGES
IFN FTVM,<
MOVEI T1,MEMTAB-400000;MAKE MEMTAB ADDRESSABLE VIA THE EXEC MAP
ROT T1,W2PLSH##-1 ;SLOT IN THE EXEC MAP
TLZN T1,400000 ;LEFT OR RIGHT HALF WORD SLOT?
TDOA T1,[POINT 18,.EPPM##](P2)
TDO T1,[POINT 18,.EPPM##,17](P2)
MOVE T3,(P) ;NUMBER OF PAGES REQUIRED FOR MEMTAB
IDPB T2,T1 ;MAKE A PAGE ADDRESSABLE VIA THE EXEC MAP
ADDI T2,1 ;NEXT PAGE IN EXEC ADDRESS SPACE
SOJG T3,.-2(P2) ;MAP IT
>
MOVE T3,(P) ;NUMBER OF PAGES ALLOCATED FOR STORAGE
; ALLOCATION TABLES
IFN FTVM,<
LSH T3,P2WLSH##+1 ;CONVERT TO WORDS * 2>
IFE FTVM,<
LSH T3,P2WLSH## ;CONVERT TO WORDS>
ADDM T3,SYSSIZ## ;UPDATE THE SIZE OF THE MONITOR
IFN FTLOCK,<
ADDM T3,HOLEF1## ;SO CORMAX CALCULATIONS WILL COME OUT RIGHT>
CLRPGT (0) ;CLEAR THE AM SO NEW MAPPING IS USED
MOVE T1,(P) ;NUMBER OF PAGES FOR PAGTAB
LSH T1,P2WLSH## ;NUMBER OF WORDS
SETZM PAGTAB ;ZERO THE FIRST WORD OF PAGTAB
MOVE T2,[PAGTAB,,PAGTAB+1](P2)
BLT T2,PAGTAB-1(T1) ;ZERO ALL OF PAGTAB
IFN FTVM,<
SETOM MEMTAB ;SET MEMTAB TO - 1 WHICH DOESN'T LOOK LIKE A DSK ADDRESS
MOVE T2,[MEMTAB,,MEMTAB+1](P2)
BLT T2,MEMTAB-1(T1) ;ZAP, ITS ALL - 1
>
IFN FT2SEGMON,<
MOVEI T1,MONORG-400000;FIRST SLOT IN THE EXEC MAP USED FOR MAPPING THE MONITOR
LSH T1,W2PLSH##-1 ;PAGE NUMBER
TLZN T1,400000 ;SETUP BYTE POINTER TO THAT SLOT
TDOA T1,[POINT 18,.EPPM##](P2)
TDO T1,[POINT 18,.EPPM##,17](P2)
> ;END FT2SEGMON
LDB T2,[POINT 14,SYSSIZ##,26](P2)
MOVSI T3,MONTRB ;BIT WHICH SAYS THIS PAGE CONTAINS THE MONITOR
HRRI T3,1 ;STARTING AT PAGE 1,
KIINI1: MOVEM T3,PAGTAB-1(T3) ;TURN IT ON
CAIE T2,IFN FT2SEGMON,<1>(T3) ;FOR ALL PAGES UP TO SYSSIZ
AOJA T3,KIINI1(P2) ; ..
IFN FT2SEGMON,<
LDB T4,[POINT 14,SYSLEN##,26](P2)
KIINI2: ILDB T2,T1 ;GET PHYSICAL PAGE CONTAINING THE MONITOR
WRTLOK: SKIPL DEBUGF## ;PATCH TO JFCL IF DEBUGGING WITH MONITOR WRITE-LOCKED
TRZ T2,PM.WRT ;CLEAR WRITE ENABLE
DPB T2,T1 ;STORE IT BACK IN THE MAP
ANDI T2,17777 ;CLEAR THE ACCESS BITS
TLO T2,MONTRB ;INDICATE THIS PHYSICAL PAGE CONTAINS THE MONITOR
MOVEM T2,PAGTAB(T3) ; IN PAGTAB
MOVE T3,T2 ;SAVE LAST MONITOR PAGE SEEN
SOJG T4,KIINI2(P2) ;LOOP OVER ALL THE MONITORS PAGES
> ;END FT2SEGMON
HLLZM T2,PAGTAB(T2) ;INDICATE THE LAST PAGE OF THE MONITOR
MOVE T1,SYSSIZ##
HRRZ T3,DDTSYM## ;ADDRESS OF THE DDT SYMBOL TABLE
SUB T1,T3
SKIPGE DEBUGF## ;DEBUGGING?
SKIPG T1 ;YES, DOES THE SYMBOL TABLE OVERLAP THE MONITOR?
JRST KIIN2A(P2) ;NO, ALL IS WELL
;HERE IF THE MONITOR AND DDTS SYMBOL TABLE OVERLAP. SIGH, DISCARD SOME SYMBOLS
HRLZ T2,T1 ;SET TO ADJUST SYMBOL TABLE POINTER
ADD T2,DDTSYM## ;NEW LENGTH IN THE LEFT HALF
HRR T2,SYSSIZ## ;NEW START ADDRESS IN THE RIGHT HALF
MOVEM T2,DDTSYM## ;STORE NEW POINTER TO THE SYMBOL TABLE
TRNE T1,PG.BDY## ;AN INTEGRAL NUMBER OF PAGES?
ADDI T1,PAGSIZ## ;NO, ROUND UP
LSH T1,W2PLSH## ;CONVERT TO NUMBER OF PAGES
MOVE T2,NXMPTR## ;AOBJN POINTER TO NXMTAB
LSH T3,W2PLSH## ;STARTING PAGE NUMBER
PUSHJ P,ZERBTS## ;MAKE DISCARDED S.T. PAGES APPEAR TO EXIST AGAIN
KIIN2A: MOVE U,[POINT 1,NXMTAB##](P2)
MOVE T1,(P) ;NUMBER OF PAGES IN PAGTAB
LSH T1,P2WLSH## ;NUMBER OF WORDS IN PAGTAB
SETZB T2,T3 ;INITIALIZE
KIINI3: ILDB T4,U ;NEXT PAGE IN NXMTAB
JUMPE T4,KIINI5(P2) ;JUMP IF PAGE EXISTS
SKIPE PAGTAB(T3) ;IS THE PAGE FREE?
STOPCD .,STOP,MNM, ;++MONITOR IN NON-EXISTANT MEMORY
JUMPE T2,KIINI4(P2) ;JUMP IF NO PREDECESSOR
TLO T3,NXMBIT ;INDICATE NON-EXISTANT PAGE
MOVEM T3,PAGTAB(T2) ;STORE THAT IN PAGTAB
KIINI4: MOVE T2,T3 ;PREDESSOR TO THIS PAGE
KIINI5: CAIE T1,1(T3) ;LOOKED AT EVERY PAGE IN PAGTAB?
AOJA T3,KIINI3(P2) ;NO, LOOP OVER ALL PAGES
SKIPE T2 ;ANY NON-EXISTANT PAGES AT ALL
HLLZM T3,PAGTAB(T2) ;YES, INDICATE THE LAST ONE
SETZB T1,T2 ;STARTING AT THE BEGINNING OF PAGTAB
MOVEI T3,0 ;NO FREE PAGES SEEN YET
LDB T4,[POINT 14,MEMSIZ##,26](P2)
KIINI6: SKIPE PAGTAB(T1) ;IS THIS PAGE FREE?
JRST KIINI8(P2) ;NO
SKIPN T2 ;FIRST FREE PAGE?
MOVEM T1,PAGPTR## ;YES, STORE ORIGIN OF THE FREE CORE LIST
JUMPE T2,KIINI7(P2) ;JUMP IF FIRST FREE PAGE
TLO T1,FREPAG ;INDICATE A FREE PAGE
MOVEM T1,PAGTAB(T2) ;STORE THAT IN PAGTAB
KIINI7: MOVE T2,T1 ;SAVE PREDECESSOR
ADDI T3,1 ;NEXT PAGE
KIINI8: CAIE T4,1(T1) ;LOOKED AT ALL PAGES IN PAGTAB?
AOJA T1,KIINI6(P2) ;NO
HLLZM T1,PAGTAB(T2) ;TERMINATE LINKED LIST OF FREE PAGES
MOVEM T3,BIGHOL## ;STORE THE NUMBER OF EXISTANT PHYSICAL PAGES
MOVEM T3,CORTAL## ; OF USER CORE SEEN
LSH T3,P2WLSH## ;CONVERT TO NUMBER OF WORDS
MOVEM T3,MAXMAX## ;MAX CORMAX CAN BE SET TO
HRRZ T1,CORLIM## ;MAXIMUM NUMBER OF PAGES ALLOWED A SINGLE
; USER (MONGEN SPECIFIED)
LSH T1,P2WLSH## ;CONVERT TO NUMBER OF WORDS
CAMGE T1,T3 ;.GE. THE NUMBER OF PAGES AVAILABLE TO USERS?
MOVE T3,T1 ;NO, MAXIMUM AVAILABLE TO USERS
MOVEM T3,CORMAX## ;NOONE CAN GET LARGER THAN THIS (HOPEFULLY)
LDB T1,[POINT 9,SYSSIZ##,26](P2)
MOVEI T1,PAGTAB-1(T1) ;HIGHEST PAGE IN THE MONITOR - 1
HRLI T1,4400 ;ILDB A 36 BIT BYTE POINTER TO PAGTAB
MOVEM T1,CORE2P## ;STORE THAT FOR CHKTAL
LDB T1,[POINT 14,MEMSIZ##,26](P2)
MOVEI T1,PAGTAB-1(T1) ;HIGHEST EXISTANT PAGE - 1
HRLI T1,4400 ;LAST BYTE IN PAGTAB
MOVEM T1,CORLST## ;STORE THAT FOR CHKTAL
MOVEI T1,.C0DBL## ;ADDRESS OF CPU0'S DOORBELL
LSH T1,W2PLSH## ;CONVERT TO PAGE NUMBER
TRO T1,PM.ACC+PM.PUB;ACCESS ALLOWED AND PUBLIC (NULL JOB RUNS IN
; PUBLIC USER MODE)
MOVEI T2,400000+.C0DBL##
ROT T2,W2PLSH##-1 ;MAP SLOT IN THE NULL JOB'S MAP WHICH WILL
; MAP THE DOORBELL FOR CPU0'S NULL JOB
MOVEI T3,NLUPMP##(T2) ;ADDRESS OF THE NULL JOB'S UPMP+DOORBELL OFFSET
HRLI T3,222200 ;ASSUME LEFT HALF WORD MAPS THE DOORBELL
SKIPGE T2 ;DOES IT
HRLI T3,002200 ;NO, RIGHT WORD MAP THE DOORBELL
DPB T1,T3 ;MAKE THE DOORBELL ADDRESSABLE FOR CPU0'S NULL JOB
MOVE T1,EVMPTR## ;AOBJN POINTER TO EVBTAB
SETZM (T1) ;INITIALIZE TO ALL BITS OFF
AOBJN T1,.-1(P2) ;SET EVERY WORD IN THE TABLE
HRLOI T1,-1_-<^D<256-36*<256/36>+18>>
MOVEM T1,EVBTAB##+^D<256/36>
MOVE T3,(P) ;NUMBER OF PAGES ALLOCATED TO PAGTAB
ADDI T3,RHWEVM ;NUMBER OF RESERVED PAGES
MOVSI T4,^D36 ;WORD AND BIT POSITION
HRR T4,EVMPTR## ;SET AOBJN POINTER
PUSHJ P,CSETOS## ;MARK THOSE PAGES AS UNAVAILABLE AS EVM
MOVEI T3,MEMTAB-400000;VIRTUAL ADDRESS OF MEMTAB RELATIVE TO THE EXEC MAP
LSH T3,W2PLSH## ;PAGE NUMBER
IDIVI T3,^D36 ;WORD NUMBER AND BIT POSITION
SUBI T4,^D36
MOVNS T4 ;MAKE AN AOBJN POINTER
MOVSS T4
HRRI T4,EVBTAB##(T3)
POP P,T3 ;NUMBER OF BITS TO SET
PUSHJ P,CSETOS## ;MAKE THOSE PAGES UNAVAILABLE FOR EVM
IFN FT2SEGMON,<
MOVEI T3,MONORG-400000;VIRTUAL ADDRESS OF THE MONITOR RELATIVE TO THE EXEC MAP
LSH T3,W2PLSH## ;PAGE NUMBER
IDIVI T3,^D36 ;WORD NUMBER AND BIT POSITION
SUBI T4,^D36
MOVNS T4 ;MAKE AN AOBJN POINTER
MOVSS T4
HRRI T4,EVBTAB##(T3)
MOVE T3,SYSLEN##
LSH T3,W2PLSH## ;NUMBER OF BITS TO SET
PUSHJ P,CSETOS## ;MONITOR PAGES ARE NOT AVAILABLE AS EVM
> ;END FT2SEGMON
PUSH P,P2 ;SAVE SYSINI'S RELOCATION
MOVE P1,EVMPTR## ;AOBJN POINTER TO EVM TABLE
MOVEI P2,0
MOVEI P3,-1
PUSHJ P,GETZ## ;FIND THE LARGEST CONTIGUOUS PIECE OF EVM
MOVEM P2,EVBMAX## ;STORE THAT AS THE LARGEST IOWD SIZE
POP P,P2 ;RESTORE SYSINI'S RELOCATION
IFN FTKL10,<
MOVEI T1,1
MOVEI T2,EVMPTR##
PUSHJ P,GETBIT##
STOPCD SYSINA,HALT,NMS, ;++NO MAP SLOT
MOVE T2,T1
ROT T2,-1
TLZN T2,400000
TDOA T2,[POINT 18,.EPPM##,17](P2)
TDO T2,[POINT 18,.EPPM##,35](P2)
MOVEI T3,PM.ACC+PM.WRT+.EPMP##
DPB T3,T2
MOVEI T1,400(T1)
PUSHJ P,RH2INI(P2)
MOVEI P4,.C0CDB## ;GET CPU DATA BLOCK IN P4
PUSHJ P,RELPMR## ;INITIALIZE PERFORMANCE METER
SETOM .C0PTF## ;INITIALIZE FLAG WHICH ALLOWS IO PAGE TABLE
;PARITY ERROR/CLOCK TICK
IFN FTMS,<
MOVE P1,[CPUN##](P2) ;GET NUMBER OF CPUS MONITOR WAS BUILT FOR
SOJLE P1,KIIN9A(P2) ;IF ONE CPU, TURN OFF CACHE FOR A FEW
; PAGES
SETZ T1, ;ON 1088 SYSTEMS, MUST TURN OFF
; CACHE FOR ENTIRE LOWSEG
MOVEI T2,340000-1
PUSHJ P,CCBRNG(P2) ;CLEAR
JRST KII10A(P2) ;CONTINUE
KIIN9A:>;END IFN FTMS
SETZ P1, ;CLEAR LTINIT INDEX
KIINI9: SKIPN T1,LTINIT##(P1) ;LTINIT ENDS WITH A ZERO
JRST KIIN10(P2) ;DONE
HLRZ T2,T1 ;GET NUMBER OF 4 WORD BLOCKS
LSH T2,2 ;MAKE IT NUMBER OF WORDS
ADDI T2,-1(T1) ;GET END ADDRESS OF THIS CHUNK
HRRZS T1 ;CLEAR LEFT HALF FOR CCBRNG
PUSHJ P,CCBRNG(P2) ;CLEAR CACHE BITS IN EXEC MAP
AOJA P1,KIINI9(P2) ;AND GET NEXT ENTRY IN LTINIT
KIIN10: MOVEI T1,.EPMP## ;CLEAR CACHE BIT FOR EPT
MOVEI T2,.EPMPE##
PUSHJ P,CCBRNG(P2) ;CLEAR
MOVEI T1,LOCOCW## ;NOW CLEAR CACHE BITS FOR LOCOCW
MOVEI T2,LOCOCE## ;AND END OF LOCOCW IN T2
MOVEI T1,.C0UPT## ;DC76 LOOKS AT UPTIME FOR CPU0
MOVE T2,T1 ;UNCACHE JUST THIS
PUSHJ P,CCBRNG(P2) ;CLEAR OUT CACHE FOR UPTIME
MOVEI T1,DLXFST## ;CLEAR OUT CACHE BITS FOR DC75
MOVEI T2,DLXLST##
PUSHJ P,CCBRNG(P2)
MOVEI T1,DLXFS1##
MOVEI T2,DLXLS1##
PUSHJ P,CCBRNG(P2)
REPEAT 0,<
SKIPL DEBUGF## ;IF DEBUGGING WITH EDDT
JRST .+4 ;NO-DONT BOTHER
MOVEI T1,DDT## ;CLEAR THE CACHE BITS FOR EDDT
MOVEI T2,DDTEND## ;TO DDTEND, SYMBOL TABLE IS NEVER WRITTEN
>,END REPEAT 0
;THE ABOVE CODE, IF ALLOWED TO ASSEMBLE (PUT ";" IN FRONT OF THE REPEAT
;AND THE CLOSING ANGLE BRACKET ABOVE) WILL KEEP DDT OUT OF THE CACHE. THIS IS HANDY IF YOU
;ARE DEBUGGING MONITOR PORTIONS WHICH HANDLE CACHE!!!
MOVEI T1,APRPAR## ;KEEP THE APR PARITY RECOVERY CODE
MOVEI T2,APPCP2## ;OUT OF THE CACHE UNTIL
;THE CACHE HAS BEEN SWEPT BACK TO CORE
;THIS WILL CLOSE DOWN (BUT NOT SHUT) THE WINDOW
;OF RECURSIVE FAILURES
PUSHJ P,CCBRNG(P2) ;AND SHOULD IMPROVE RECOVERY CHANCES
MOVE T1,SYSSIZ## ;NOW CLEAR CACHE BITS FROM
MOVEI T2,337777 ; SYSSIZ - 112K FOR LOCK/REAL TIME
CAMG T1,T2
PUSHJ P,CCBRNG(P2)
KII10A:>;END IFN FTKL10
MOVSI T1,(CAIA) ;SETUP A SKIP AND A NON-SKIP
MOVSI T2,(CAI) ; IN T1 AND T2
MOVEM T2,$SCPA## ;ASSUME NOTH7NG SKIPS
MOVEM T2,$SCPI## ; ..
MOVEM T2,$SCPL## ; ..
IFN FTKA10,< MOVEM T1,$SCPA##>
IFN FTKI10,< MOVEM T1,$SCPI##>
IFN FTKL10,< MOVEM T1,$SCPL##>
IFN FTKI10,< MOVEM T1,$SCPI##>
IFN FTKL10,< MOVEM T1,$SCPL##>
IFN FTLOCK,<
SKIPN [LOKINC](P2) ;LOCK UUO INCLUDED AT MONGEN TIME?
JRST KIIN11(P2) ;NO, SKIP ON
MOVEI T1,EVLN## ;NUMBER OF PAGES AVAILABLE FOR LOCKING IN EVM
MOVEM T1,.C0EVM## ;STORE THAT FOR USER'S REFERENCE
SETZM .C0EVU## ;NUMBER OF PAGES IN USE FOR LOCKING IN EVM
>
KIIN11: MOVEI T1,0 ;USER APR ENABLE BITS
MOVEI P4,.C0CDB## ;ADDRESS OF CPU0'S CDB
PJRSTF @[EXP IC.UOU+SETCNA##](P2) ;LIGHT USER IOT IN THE PC AND
; SETUP APR ENABLE BITS AND CONSO MASK
IFN FTKL10,<
;SUBROUTINE TO FIX UP ICWA LOCS FOR DISKS AND MAGTAPES
;ENTER WITH T1=VIRTUAL PAGE OF EPT
RH2INI::SETZ T2, ;SET SO WILL DO 1ST ONE
HLRZ T4,SYSUNI## ;START AT 1ST UNIT IN SYSTEM
RH2IN1: HRRZ J,UNIKON##(T4) ;KONTROLLER THE UNIT POINTS AT
CAIN J,(T2) ;SAME AS LAST?
JRST RH2IN3(P2) ;YES, TRY NEXT
MOVE T2,KONCHN##(J) ;NO, GET LOC OF CDB
MOVE T2,CHB22B##(T2);IS IT AN RH20?
TLNN T2,CP.RH2##
JRST RH2IN2(P2) ;NO, TRY NEXT
DPB T1,[POINT 9,KONIOC##(J),26](P2) ;YES, FIX UP KONIOC
LDB T2,KOYPI## ;SET UP INTERRUPT VECTOR ADDRESS
LSH T2,1 ; EARLY IN CASE OF AN ERROR
ADDI T2,40
HRLI T2,744400 ;INTRPT VECTOR = 40+2*N
XCT RPXDO2##(J)
LDB T2,KOYPI## ;SET UP INTERRUPT CONDITIONS
TRO T2,440 ; MASSBUS ENABLE+ATTN
XCT RPXCO2##(J)
RH2IN2: MOVE T2,J ;RESET T2 TO THIS KONTROL
RH2IN3: HLRZ T4,UNISYS##(T4);STEP TO NEXT UNIT IN SYSTEM
JUMPN T4,RH2IN1(P2) ;TEST IT
MOVEI T4,MT0KDB## ;START AT 1ST MAGTAPE
RH2IN4: MOVE J,TKBCDB##(T4)
MOVE J,CHB22B##(J) ;RH20?
TLNE J,CP.RH2##
DPB T1,[POINT 9,TKBICP##(T4),26](P2) ;YES, FIX ICWA
HRRZ T4,TKBKDB##(T4);STEP TO NEXT KDB
JUMPN T4,RH2IN4(P2) ;TEST IT
POPJ P, ;DONE, RETURN
>
>
SUBTTL RTTRP INITIALIZATION
IFN FTRTTRP,<
;RTINI IS THE INITIALIZATION ROUTINE TO SET UP THE RT BLOCKS.
;IT IS CALLED EVERY TIME A 140 OR 143 RESTART IS DONE.
;THE FIRST TIME THROUGH RTINI, CHAINT IS LOADED WITH THE
;VALUES OF T4'PI+1. THIS IS USED TO RESTORE THE PI CHAINS
;ON A 140 RESTART.
;THE RT BLOCK AREA IS ZEROED AND ALL OF THE BLOCKS
;ARE PUT ON THE FREE LIST.
EXTERN CHAINT,CHNTAB,RTBLK,RTBSIZ,RTTRPN,RTLINK,SAV61,SAV41,MJOBN
EXTERN JBTRTD,TRPFLG,BLKENB
RTINI: PUSHJ P,LOADTB(P2) ;FIRST TIME THROUGH, LOAD CHAINT
MOVE T1,[JRST RTINI1(P2)](P2) ;CHANGE FLOW OF PROGRAM
MOVEM T1,RTINI(P2) ;TO AVOID CALL TO LOADTB
RTINI1: MOVSI T1,-6 ;SET UP COUNTER
INILOP: MOVE T2,CHAINT(T1) ;GET NEXT ENTRY IN CHAINT
SKIPE T3,CHNTAB(T1) ;IS THERE AN ENTRY IN CHNTAB
MOVEM T2,1(T3) ;YES, RELOAD T4'PI + 1
AOBJN T1,INILOP(P2) ;GO BACK FOR REST OF TABLE
SETZM RTBLK ;SET UP TO ZERO RTBLOCK AREA
MOVE T1,[XWD RTBLK,RTBLK+1](P2)
MOVEI T2,RTBSIZ ;GET LENGTH OF A BLOCK
IMULI T2,RTTRPN ;CALCULATE LENGTH OF RT BLOCK AREA
BLT T1,RTBLK-1(T2) ;ZERO THE AREA
MOVEI T1,RTBLK ;NOW LINK THE BLOCKS TOGETHER
MOVEI T2,RTTRPN ;GET NUMBER OF BLOCKS AVAILABLE
MOVEM T1,RTLINK ;SET UP FIRST ENTRY
INILP1: MOVEI T3,RTBSIZ(T1) ;GET ADDRESS OF NEXT BLOCK
MOVEM T3,(T1) ;STORE IN CURRENT BLOCK
EXCH T3,T1 ;GET NEXT BLOCKADR IN T1
SOJG T2,INILP1(P2) ;GO FINISH LOOP
SETZM (T3) ;MAKE THE LAST BLOCK IN LIST HAVE 0 POINTER
MOVSI T1,-6 ;RESTORE CHNTAB TO ORIGINAL STATE
INILP2: SKIPE T2,CHNTAB(T1) ;GET TABLE ENTRY
TLNN T2,BLKENB ;ARE BLKI/O INSTRUCTIONS ALLOWED
JRST .+3(P2) ;NO, IGNORE
HRLI T2,400000+BLKENB ;RESTORE WORD
MOVEM T2,CHNTAB(T1) ;PUT BACK FRESH ENTRY
AOBJN T1,INILP2(P2) ;DO REST OF TABLE
HRROI T1,SAV61 ;RESTORE 41 AND 61
POP T1,61
POP T1,41
MOVSI T1,MJOBN ;GET NEGATIVE JOB NUMBER
SETZM JBTRTD(T1) ;CLEAR OUT TABLE
AOBJN T1,.-1(P2) ;DO REST OF TABLE
SETZM TRPFLG ;CLEAR TRPFLG
POPJ P, ;RETURN
LOADTB: MOVSI T2,-6 ;SET UP COUNTER
LOADT1: SKIPE T1,CHNTAB(T2) ;IS THERE AN ENTRY
MOVE T1,1(T1) ;YES, PICK UP T4'PI + 1
MOVEM T1,CHAINT(T2) ;STORE IN CHAINT
AOBJN T2,LOADT1(P2) ;GO DO REST OF TABLE
MOVEI T1,SAV41-1 ;SET UP TO SAVE 41 AND 61
PUSH T1,41 ;SAVE 41
PUSH T1,61 ;SAVE 61
POPJ P, ;RETURN
> ;END CONDITIONAL ON RTTRP
SUBTTL LOKCON INITIALIZATION
IFN FTLOCK,<
;CALLED FROM SYSINI ON 140 RESTARTS
;UNLOCKS ALL JOBS AND FREES UP THE CORE THEY OCCUPY
IFN FTSWAP,<
INTERNAL LOKLIM
EXTERNAL CORMIN,LOKMAX,SYSSIZ
>
EXTERNAL SYSINA,LOCK,JBTADR,JBTMAX,JBTSTS,UNLOCK,LOKMAX,MEMSIZ,CORMAX,HOLEF1,HOLTOP
LOKINI: SKIPN J,LOCK ;WAS A JOB BEING LOCKED ON THE RESTART?
JRST LOKI00(P2) ;NO
SKIPN JBTADR(J) ;WAS IT BEING MOVED?
STOPCD SYSINA,HALT,JIT, ;++JOB IN TRANSIT
;CONTINUE WILL TRY A 143 RESTART
SETZM LOCK ;SIGNAL NO JOB IS BEING LOCKED
LOKI00: MOVEI J,JBTMAX ;UNLOCK ALL LOCKED JOBS
LOKI10: MOVE T1,JBTSTS(J) ;IS THIS SEGMENT LOCKED?
TLNE T1,NSHF!NSWP
PUSHJ P,UNLOCK ;YES, UNLOCK IT
SOJG J,LOKI10(P2) ;LOOK AT ALL SEGMENTS
IFN FTSWAP,<
LOKLIM: HRREI T1,LOKMAX ;SET GUARANTEED CORE FOR T-S JOBS
;MODIFIED BY ONCE
JUMPL T1,LOKI20(P2)
ASH T1,P2WLSH## ;MAKE PAGES INTO WORDS
CAML T1,MEMSIZ
LOKI20: MOVE T1,CORMAX ;CORMIN_CORMAX
MOVEM T1,CORMIN ;SAVE IT FOR TESTING
MOVE T1,SYSSIZ ;INITIALIZE SIZE OF LARGEST CONTIGOUS HOLE
MOVEM T1,HOLEF1 ;TOP
> ;END CONDITIONAL ON FTSWAP
POPJ P, ;RETURN
> ;END CONDITIONAL ON FTLOCK
SUBTTL PTYSER INITIALIZATION
;INITIALIZATION CODE. CALLED ON SYSTEM STARTS AND RESTARTS.
;CALLED BY PUSHJ FROM IOGO, WITH F SET UP.
;GIVE NON-SKIP RETURN SINCE ONLY WANT TO BE CALLED ONCE FOR ALL PTYS
;MUST RESPECT P3
;DDB'S EXIST AND HAVE 0 IN IOS.
EXTERN PTYOFS,PTYTAB,TTPLEN,PTYLST
INTERN PTYINI
PTYINI: MOVNI T1,M.PTY## ;COMPUTE NUMBER OF PTY DDB'S
HRLZS T1 ;MAKE AOBJN COUNTER
MOVEI F,PTYLST ;FIRST IN LIST OF PTY DDB'S
PTYIIL: MOVEM F,PTYTAB(T1) ;MAKE UP TABLE OF PTY DDB ADDRESSES
MOVEI T2,DEPEVM ;GET "DEVICE DOESN'T NEED EVM" BIT
IORM T2,DEVTYP(F) ;SET BIT
HLRZ F,DEVSER(F) ;FOLLOW CHAIN TO NEXT ONE.
AOBJN T1,PTYIIL(P2) ;GO STORE NEXT IF STILL A PTY
POPJ P,0 ;DONE. RETURN TO IOGO
SUBTTL DTASRN INITIALIZATION
;SUBROUTINE TO INITIALIZE DTC
INTERN DTAINI
DTAINI: MOVEI T1,DTADDB## ;START AT FIRST CONTROL
DTAIN0: XCT DTXINI##(T1) ;CLEAR THE TD10
SETZM DSCON##(T1) ;ZERO SOME FLAGS
SETZM LVFLAG##(T1)
SETZM USEWRD##(T1)
ADDI T1,DCONS## ;STEP TO NEXT CONTROL
CAIGE T1,KONEND## ;AT END?
JRST DTAIN0(P2) ;NO, CLEAR NEXT CONTROL
POPJ P, ;YES, EXIT
;TAPSER INITIATION
TPMINI::
IFN FTKL10,<
MOVEI T1,TAPDST## ;START OF DATA BASE
MOVEI T2,TAPDEN## ;END OF DATA BASE
PUSHJ P,CCBRNG(P2) ;MAKE IT UNCACHED
MOVEI T1,LOCODW## ;START OF 4 WORD BLOCKS FOR DX10S
MOVEI T2,LOCODE## ;END OF 4 WORD BLOCKS
PUSHJ P,CCBRNG(P2) ;UNCACHED THEM ALSO
>
HRRZ W,TDVKDB##(F) ;GET ADDRS OF KDB
HRRZ T4,TKBDSP##(W) ;GET KONTROLLER SERVICE ROUT ADDRS
PUSHJ P,TPKINI##(T4) ;CALL INITIATION ROUTINE
TPMIN1: LDB T2,PUNIT## ;GET UNIT #
ADDI T2,TKBUDB##(W) ;PLUS INDEX INTO TABLE
HRRZ U,(T2)
HRLM U,TDVUDB##(F) ;STASH IN DDB
HRRZM F,TUBDDB##(U) ;PNTR TO DDB
MOVEI T1,TUBQUE##(U) ;QUEUE HEADER ADDRS
HRLZM T1,TUBQUE##(U) ;INITIATE EMPTY QUE
HLRZ F,DEVSER(F) ;PEEK AT NEXT DDB
JUMPE F,CPOPJ##
MOVSI T1,DVMTA ;CHECK FOR MTA
TDNN T1,DEVMOD(F) ;IS IT
POPJ P, ;NO -RETURN
HRRZ T1,TDVKDB##(F) ;YES - SEE IF SAME KDB
CAMN T1,W ;IS IT?
JRST TPMIN1(P2) ;YES - LOOP TO NEXT
HRLZ P3,F ;FAKE OUT IOGO
POPJ P,
SUBTTL SCNSER INITIALIZATION
;CODE CALLED ON A 140 RESTART. CLEAR ANY UUO-LEVEL ACTIVITY, AND ALL
; LINKED CHARACTER BUFFERS AND THEIR POINTERS IN THE LDB'S.
;RE-INITIALIZES ALL OF TTCLST TO BE BLANK AND ALL LINKED TO TTFREE.
;CALLED BY PUSHJ FROM IOGO, WITH F SET UP.
; GIVE NON-SKIP RETURN, SINCE DON'T NEED TO CALL THIS ROUTINE AGAIN
; FOR EVERY TTY DDB
;MUST RESPECT P3
;DEVICE DATA BLOCKS EXIST, AND HAVE BEEN CLEARED TO 0 IN DEVIOS.
EXTERN SCNCHN,MTTYLN,TCONLN,DEVOPR,LINTAB,LDPLNO,LDBINI,LDICLR,LDICLE,LINSAV
EXTERN CCTYI,COMTIA,CCTYO,COMTOA,TTYLST,TTYREL,LDRPTY
INTERN TTYINI
IFNDEF FTGPO2B,<XP FTGPO2B,0> ;MUST AGREE WITH SCNSER
CTY=120 ;HARDWARE DEVICE NUMBER OF THE KA10 CONSOLE TTY
TTYINI: CONO PI,PIOFF##
;INITIALIZE LINE DATA BLOCKS (ASSUMED TO EXIST, POINTED TO BY LINTAB,
; BUT NOT TO CONTAIN ANYTHING USEFUL EXCEPT LDPLNO AND SOME OF LDBDCH)
MOVSI J,MTTYLN ;MINUS LENGTH OF LINTAB, I.E., THE
; SCANNER(S), CTY, PTY'S, AND REMOTES
TTII1L: HRRZ U,LINTAB(J) ;GET ADDRESS OF LINE DATA BLOCK
DPB J,LDPLNO ;STORE LINE NUMBER
PUSHJ P,LDBINI ;CALL ROUTINE WHICH CLEARS IT UP
MOVSI T1,LDICLR(U) ;CLEAR OUT ALL POINTERS AND T2'S
HRRI T1,LDICLR+1(U) ;IN THE LDB POINTER AREA
SETZM LDICLR(U) ; ..
BLT T1,LDICLE(U) ;..
AOBJN J,TTII1L(P2) ;LOOP FOR ALL LDB'S
SETZM LINSAV ;IN CASE JUNK GOT IN LINSAV
MOVEI T1,CCTYI ;SET COMMAND DISPATCHERS
MOVEM T1,COMTIA
MOVEI T1,CCTYO ;FOR INPUT AND OUTPUT
MOVEM T1,COMTOA ; ..
;NOW GO THROUGH ALL THE TTY DDB'S VIA CHAIN, AND KILL ALL THOSE WHICH
; HAVE TTYATC AND ASSCON OFF, BY CALLING TTYREL
SETOM DINITF## ;TTYREL BEING CALLED FROM SYSINI
MOVEI F,TTYLST ;FIRST TTY DDB IN DEVICE CHAIN
TTII2L: PUSHJ P,TTYREL ;TTYREL WILL KILL IT (TTYKIL)
; UNLESS TTYATC OR ASSCON ARE ON
MOVEI T2,DEPEVM ;GET "DEVICE DOESN'T NEED EVM" BIT
IORM T2,DEVTYP(F) ;SET BIT
HLRZ F,DEVSER(F) ;DO SAME FOR ALL TTY DDB'S
MOVSI T1,DVTTY ;IS THIS A TTY TOO?
TDNE T1,DEVMOD(F) ;CHECK IN DEVICE MODE WORD
JUMPN F,TTII2L(P2) ;JUMP IF YES.
;NOW CLEAR ANY PHONY LINKS IN THE LDB'S. I.E., ANY WHICH THINK
; THEY ARE POINTING TO DDB'S BUT THE DDB'S HAVE BEEN KILLED (TTYUSE=0)
EXTERN TTVINI,TTVSLV,LDBCLR,LDBDCH,TTFCXR,LDRCTY,LDBDDB,TTFORC
MOVSI J,MTTYLN ;COUNT OF LDB'S
TTII3L: HRRZ U,LINTAB(J) ;GET LDB ADDRESS
PUSHJ P,LDBCLR ;NO DDB. CLEAR THIS LDB FROM
; THE TOP. INITIALIZE ITS BITS
; FROM LINTAB.
MOVE T1,LDBDCH(U) ;GET DEVICE BITS
TRNN T1,LDRREM## ;REMOTE STATION LINE?
TRNE T1,LDRPTY ;NO, PTY-DRIVEN LINE?
JRST TTII3N(P2) ;YES. NO COMMAND FOR IT
HRRZ T1,J ;GET LINE # IN T1
PUSHJ P,XTCTTY## ;SEE IF DA28
JRST TTII3N(P2) ;INACTIVE - IGNORE
JFCL ;ACTIVE - TREAT AS REGULAR
MOVEI T1,TTFCXR ;RESTART COMMAND FORCE INDEX
MOVE T3,LDBDCH(U) ;GET DEVICE CHARACTERISTICS
HLL T3,LINTAB(J) ;AND INITIAL CHARACTERISTICS
IFN FTDISK,<EXTERN REFLAG
IFN FTCCLX,<
TLNE T3,TTVINI ;DOES IT WANT STARTUP CUSP
MOVEI T1,TTFCXI## ;YES, SET FOR STARTUP CUSP
>
SKIPE REFLAG ;BUT IF DISK IS BEING REFRESHED?
MOVEI T1,TTFCXR ;JUST GIVE NORMAL MESSAGE
>
TLNN T3,TTVSLV ;UNLESS DEVICE IS A SLAVE,
PUSHJ P,TTFORC ;FORCE THIS COMMAND
TTII3N: AOBJN J,TTII3L(P2) ;DO SAME FOR ALL LDB'S
TTYIOP: SKIPN T1,DEVOPR ;SET UP OPERATOR FOR ERROR MESSAGES
TTIOP1: MOVSI T1,(SIXBIT /CTY/) ;IF NONE, ASSUME CTY.
PUSHJ P,STDOPR## ;GET A DDB AND LDB FOR OPR AND SET OPRLDB
JRST TTIOP1(P2) ;NO SUCH GUY. TRY CTY.
; DONT REALLY WANT IT NOW
SETZM DINITF## ;DONE WITH TTYREL
IFN FTMODM,<
;NOW INITIALIZE THE DATAPHONE HANDLING TABLE
EXTERN DSCPTR,DSTREQ,DSCTAB,LDPDSC,DSTON,DSTOFF,DSCICL,DSCIC1,DSCIC2
TTIDSC: SKIPL J,DSCPTR ;GET THE DATAPHONE INDEX, IF ANY
JRST TTIDSX(P2) ;NONE IN THIS CONFIGURATION
IFN FTDIAL,<
SETZM TTYDDA## ;CLEAR TTY DIALLER DATA ADDRESS CELL (4 WD BLOCK)
>
HLLZS J ;CLEAR RIGHT HALF OF POINTER
TTIDSL: MOVEI T3,DSTREQ ;TRANSACTION CODE FOR REQUEST
MOVE U,DSCTAB(J) ;SET UP BACK POINTERS TO DATASET TABLE
MOVE U,LINTAB(U) ;IN THE LDB'S
DPB J,LDPDSC ;STORE THE INDEX
IFE FTGPO2B,<
;CAN'T BELIEVE THE CARRIER FLAG ON A GPO 2B MODEM, SO MUST CLEAR IT FROM LINE
MOVEI U,0(J) ;TABLE INDEX AS LINE NUMBER
PUSHJ P,DSCCAL## ;GO GET STATE OF LINE
CAIN T3,DSTNAC## ;DC76 NO-ACTION?
JRST TTIDSN(P2) ;YES. DC76 WILL TELL US ABOUT ALL LINES
; (MAY HAVE ALREADY)
CAIN T3,DSTON ;IS CARRIER ON?
JRST TTIDS1(P2) ;YES. GO SET ON STATE IN TABLE
> ;END OF 2B COND
MOVSI T1,DSCICL ;HWC+SWC+FAI+TMM
ANDCAM T1,DSCTAB(J) ;CLEAR ALL BITS. HE'S OFF
MOVEI T3,DSTOFF ;SEND OFF CODE IN CASE WAS ON
MOVEI U,0(J) ;USING TABLE INDEX AS LINE
PUSHJ P,DSCCAL## ;SEND THE OFF CODE
TTIDSN: AOBJN J,TTIDSL(P2) ;COUNT THRU ALL DATAPHONES
JRST TTIDSX(P2) ;END OF TABLE
TTIDS1: MOVSI T1,DSCIC1 ;LINE IS ON. SET HWC+SWC BITS IN TABLE
IORM T1,DSCTAB(J) ; ..
MOVSI T1,DSCIC2 ;AND CLEAR FAIL AND TIME BYTE TMM+FAI
ANDCAM T1,DSCTAB(J) ; ..
JRST TTIDSN(P2) ;ON TO NEXT LINE
TTIDSX:! ;END OF ROUTINE
>;FTMODM
;NOW SET UP THE CHARACTER CHUNKS IN TTCLST TO BE ALL FREE. THE FIRST IS
; POINTED TO BY TTFREE. ASSUME FOLLOWING DATA IS AVAILABLE
EXTERN TTCHKS,TTFREN,TT2CHK,GETDDB,OPRLDB,CPOPJ1,TTBASE
EXTERN TTCLST ;XWD # OF CHUNKS , ADDRESS OF FIRST CHUNK
EXTERN TTFREE ;WHERE TO PUT POINTER TO FREE LIST.
HRRZ T1,TTCLST ;GET START OF LIST AREA
MOVEM T1,TTBASE ;SAVE FOR SCNSER
SETZM 0(T1) ;CLEAR OUT ALL CHUNK LINKS AND DATA
MOVEI J,TTCHKS(T1) ;SET INITIAL BYTE TO SKIP ZEROTH CHUNK
MOVEM J,TTFREE ;STORE IN FREE LIST POINTER
MOVEI J,1(T1) ;MAKE BLT POINTER TO CLEAR LIST
HRLI J,0(T1) ; ..
HLRZ T3,TTCLST ;GET END ADDRESS FROM NUMBER OF CHUNKS
MOVEM T3,TTFREN ;SAVE THAT NUMBER
IMULI T3,TTCHKS ;WORDS PER CHUNK
ADDI T3,0(T1) ;ADD BASE ADDRESS
BLT J,-1(T3) ;CLEAR LIST
HRRZ T3,TTCLST ;FIRST CHUNK
HLRZ J,TTCLST ;GET NUMBER OF CHUNKS TO COUNT
SOJA J,TTII4A(P2) ;SKIP ZEROTH CHUNK, GO START STORING
TTII4L: SETOM (T3) ;FLAG AS FREE
TTII4A:
ADDI T3,TTCHKS ;NEXT CHUNK
SOJG J,TTII4L(P2) ;COUNT CHUNKS
SOS TTFREN ;COMPENSATE FOR NOT USING BLOCK ZERO
HLRZ T1,TTCLST## ;NUMBER OF CHUNKS
LSH T1,2 ;CONVERT TO WORDS
;4 BYTES/WORD=2**4
ADD T1,TTCLST## ;ADD TO BASE
HRRZM T1,RCCMAX## ;SAVE FOR RANGE CHECK
MOVEI J,TCONLN## ;START WITH CTY
TTII0L: MOVEI T1,ISRINI## ;FUNCTION TO INIT A LINE
MOVE U,LINTAB##(J) ;POINT TO LDB
DPB J,LDPLNO## ;MAKE SURE LDPLNO SET UP
PUSH P,J
PUSHJ P,@LDBISR##(U) ;INIT THE LINE
POP P,J
SOJGE J,TTII0L(P2) ;LOOP OVER ALL LINES
; HARDWARE FIRST, SINCE PI IS OFF
CONO CTY,1200+SCNCHN ;ALSO CLEAR THE CTY, AND GIVE IT ITS PI
CONO PI,PION##
POPJ P,0 ;END OF TTYINI
;HERE FROM SYSINI (MASTER PROCESSOR INITIALIZATION) TO
;CLEAR INTERLOCK WORDS (SET TO -1'S)
;CALL: JSP T1,CP1INI
;PATCH "PATCP1" TO BE MOVSI T2,400000 TO DISABLE ?CPU1 NOT RUNNING
; FROM HAPPENING ONCE A MINUTE. (FOR EX. DURING DEBUGGING SESSION)
;CALLED ONLY IF HAVE A SLAVE SLVINC NON-ZERO
IFN FTMS,<
INTERNAL CP1INI,PATCP1
EXTERNAL .C0SCD,.C0VAR,.C0EVA,TICSEC,.C1OK,.C1SCD,SPTRAP,SVMES,.C0OK,.C0VAR,.C0EVA
EXTERN DEDTIM
CP1INI: SOS .C1OK ;FORCE DUAL PROCESSOR BACK TO BEGINNING OF AC LOOP
; BY CHANGING OK WORD BUT NOT BY +1
; LEAVE A FEW INSTRUCTIONS BEFORE
; SETTING OK TO A SMALL NEGATIVE NUMBER
SETOM .C1SCD ;INITIALIZE DUAL PROCESSOR INTERLOCK
SETZM .E1IL## ;MAKE DUAL PROCESSOR START OVER AT RESTART ADR
SETZM SVMES ;INITIALIZE ALL DUAL PROCESSOR MESSAGES
PATCP1: MOVN T2,TICSEC ;MAKE DUAL PROCESSOR WAIT TWO JIFFIES TO START
; PATCH TO MOVSI T2,400000 TO DISABLE
; ONE A MINUTE CPU1 NOT RUNNING MESSAGE
MOVEM T2,.C1OK ;AND MASTER TO NOT TYPE MESSAGE FOR ONE MINUTE
MOVEI T2,DEDTIM+1 ;MAKE DUAL PROCESSOR WAIT UNTIL MASTER IS GOING
MOVEM T2,.C0OK
SETZM .C0VAR ;ZERO MASTER VARIABLE AREA
MOVE T2,[XWD .C0VAR,.C0VAR+1](P2)
BLT T2,.C0EVA ;DUAL PROCESSOR AREA IS CLEARED IN SYSINI
JRST (T1) ;RETURN TO SYSINI
> ;END FTMS
;SUBROUTINE TO REFERENCE A MEMORY LOCATION IN PHYSICAL MEMORY
;CALLING SEQUENCE:
; MOVE U,ABSOLUTE ADDRESS TO REFERENCE
; PUSHJ P,REFMEM
; ... RETURN HERE
;T1 CONTAINS THE CONTENTS OF THE LOCATION SPECIFIED BY U
REFMEM::PUSH P,P1 ;CAN'T USE SAVE1
MOVE P1,.C0TYP##
CAIL P1,CT.KI
JRST REFME1(P2)
MOVES T1,(U)
JRST REFME3(P2)
REFME1: MOVE P1,U
LSH P1,W2PLSH##
MOVEI P1,PM.ACC+PM.WRT(P1)
HRLM P1,.EPPM##
CLRPGT (0,.EUPMP)
MOVE P1,U
ANDI P1,PG.BDY##
IORI P1,.EUPMP
IFN FTKL10,<
PUSH P,P3
MOVEI P3,REFME2(P2)
HRLI P3,(XC.UIO)
EXCH P3,.UPMP+.LMPFN
SETZ T1,
>
MOVES T1,(P1)
IFN FTKL10,<
REFME2: MOVEM P3,.UPMP+.LMPFN
POP P,P3
>
REFME3: POP P,P1
POPJ P,
IFN FTKL10,<
;ROUTINE TO SET OR CLEAR CACHE BITS FOR A RANGE OF EXEC ADDRESSES.
; THE RANGE IS C(T1)R THROUGH C(T2)R INCLUSIVE.
; USES ALL T ACS, AC U WITHOUT RESTORING THEM. ORIGINAL ARGUMENTS
; IN T1 AND T2 ARE LOST.
; ARGUMENTS MUST BE IN LOWER 112 K.
CSBRNG: SKIPA U,[TRO T1,PM.CSH](P2) ;SET BITS
CCBRNG: MOVE U,[TRZ T1,PM.CSH](P2) ;CLEAR BITS
LSH T2,W2PLSH## ;CONVERT TO PAGES
LSH T1,W2PLSH##
HRRZ T3,T1 ;SAVE STARTING VIRTUAL PAGE
ROT T1,-1 ;GET ODD/EVEN BIT IN SIGN BIT
TLZE T1,400000 ;SKIP IF THIS IS AN EVEN PAGE
SKIPA T4,[POINT 18,.EPLM##,17](P2) ;POINTER FOR ODD PAGES
MOVE T4,[POINT 18,.EPLM##](P2) ;POINTER FOR EVEN PAGES
ADDI T4,(T1) ;MAKE BYTE POINTER TO PROPER SLOT
CCBRN1: ILDB T1,T4 ;GET CONTENTS OF SLOT
XCT U ;SET OR CLEAR CACHE BIT ACCORDINGLY
DPB T1,T4 ;AND PUT IT IN MAP
CAIE T3,(T2) ;DID WE JUST DO LAST PAGE?
AOJA T3,CCBRN1(P2) ;LOOP, WE HAVE MORE TO DO.
POPJ P, ;YES, BYE.
>
;LIT AND VAR
XLIST
LIT
VAR
LIST
INTERNAL ENDSYS,ENDSYL
ENDSYL==ENDSYS-SYSINI
ENDSYS: END ;STARTING ADDRESS OF MONITOR ON NORMAL LOADING