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tops10_tools_bb-fp64a-sb
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10,7/tracer/tracer.mac
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TITLE TRACER - Disk trace routine
SUBTTL John C. Hallyburton, Jr. 28-Feb-80/JCH
;COPYRIGHT (C) 1979,1980 BY DIGITAL EQUIPMENT CORPORATION,
;MAYNARD, MASS.
;
;
;THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND COPIED
;ONLY IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE AND WITH THE
;INCLUSION OF THE ABOVE COPYRIGHT NOTICE. THIS SOFTWARE OR ANY OTHER
;COPIES THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY
;OTHER PERSON. NO TITLE TO AND OWNERSHIP OF THE SOFTWARE IS HEREBY
;TRANSFERRED.
;
;THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE
;AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT
;CORPORATION.
;
;DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF ITS
;SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DIGITAL.
SEARCH UUOSYM,MACTEN,SNUP
.REQUIRE SNUP
SALL
T1=1
T2=2
T3=3
T4=4
P1=5
P2=6
P3=7
P4=10
P=17
; Things as stuffed in at snoop level
OPRSEQ==0 ; Sequence
OPRTIM==1 ; Jiffy timestamp
OPRJOB==2 ; Job number of requestor
OPRUUO==3 ; UUO causing request
OPRBLK==4 ; Block to be accessed
OPRLOG==5 ; Unit logical name
OPRDES==6 ; Description of blocks per whatever
OPRPRG==7 ; Program running
OPRMVS==10 ; Monitor value of S
OPRFBN==11 ; File block number
OPRFIL==12 ; Filename
OPREXT==13 ; Extension
OPRPPN==14 ; PPN
OPRSIZ==15 ; # blocks to be transferred, 1B0==write
RECLEN==OPRSIZ+1; Record length (stuffed at snoop level)
BUFSIZ=300*RECLEN ; Buffer size must be multiple of RECLEN
ARRAY PDL[PLEN],BUFFER[BUFSIZ],OBUF[3],UUOJOB[^D200]
INTEGER %IN,SEQIN,INTLCK
D=1 ;I/O channel
TIM==020
PI==004
USRMOD==10000 ; User mode PC bit
OPDEF RDTIME[DATAI TIM,]
OPDEF PIOFF[CONO PI,400]
OPDEF PION[CONO PI,200]
DEFINE GETMAC(MAC,AC),<;; Macro to define macros
DEFINE GET'MAC(NAME,OFFSET),<
MOVE %T1,AC
ADD %T1,NAME(%R)
MOVE %T1,(%T1) ;;NAME(AC)
IFNB <OFFSET>,<
MOVEM %T1,OFFSET(%T2) ;;STORE IT
>
>>
GETMAC UNI,%U, ; Define GETUNI
GETMAC DEV,%F, ; Define GETDEV
GETMAC CHN,%P1, ; Define GETCHN
MONREF <UNIBLK,UNILOG,UNIDES,JBTPRG,DEVBLK>
MONREF <TIME,DEVFIL,DEVEXT,DEVPPN,PJOBN,DEVREL>
MONREF <.UPMP,CHNNUM,.CPJOB>
IO=20 ; WRITE=1, READ=0
IOSMON=400000 ; MONITOR I/O==1
IO.MON=400000 ; FOR OUR RECORDS
IO.WRT=200000 ; " " "
BRKPNT STRTI5,COLECT,4
BRKPNT PTHFIL,SAVUUO,11, ;PTHFIL+11
BRKPNT PTHFIL,GETUUO,16, ;PTHFIL+16
TRACER: JFCL
RESET
MOVE P,[IOWD PLEN,PDL]
MOVSI P1,(CAIA)
MOVEM P1,XCTSNP##+1 ; We DO want data after .JBFF
OPEN D,[EXP 10,'TRACE ',<OBUF,,0>]
JRST NOPEN
ENTER D,[EXP 'DSKFIL','BIN ',0,0]
JRST NOENT
OUTBUF D,4
MTREW. D,
MTREW. D,
PUSHJ P,GETINF##
MOVEI T1,1
HPQ T1,
JFCL
SETZM %IN
SETOM INTLCK
SETZM SEQIN
MOVEI T1,424 ; UUO ADDRESS
ADDM T1,.UPMP ; MAKE IT FETCHABLE
PUSHJ P,XCTSNP##
SETZM P1
MOVEI P2,BUFFER
OUTSTR [ASCIZ /
Type ^Z to stop snooping! /]
LOOK1: INCHSL T1
JRST LOOK2
CAIE T1,32
JRST LOOK1
CLOSE D,
REMBRK
UNDBRK
EXIT
LOOK2: CAMGE P1,SEQIN
JRST PROC1 ;WE'VE DONE SOMETHING
MOVEI T1,100
HIBER T1,
JRST -1
JRST LOOK1 ;CHECK FOR MORE
;Something happened at snoop level. Output our version.
PROC1: MOVE T1,OPRSEQ(P2)
PUSHJ P,.OUT
TRNN T1,777
PUSHJ P,T1OUT
MOVE T1,OPRTIM(P2)
PUSHJ P,.OUT
MOVE T2,OPRLOG(P2)
PUSHJ P,SIXTO5
PUSHJ P,.OUT ; DRIVE ID
MOVE T2,OPRSIZ(P2)
SETZM T1
LSHC T1,2
PUSHJ P,.OUT ; MONITOR I/O, WRITE BITS
SETZM T1
LSHC T1,^D34
PUSHJ P,.OUT
MOVE T1,OPRBLK(P2)
PUSHJ P,.OUT ; PHYSICAL BLOCK NUMBER
MOVE T1,OPRUUO(P2)
PUSHJ P,.OUT ; UUO OF REQUEST
SETZM T1
PUSHJ P,.OUT ; SPARE
LDB T1,[POINT 6,OPRDES(P2),26]
PUSHJ P,.OUT ; CONTROLLER TYPE
LDB T1,[POINT 3,OPRDES(P2),32]
PUSHJ P,.OUT ; UNIT TYPE
MOVE T1,OPRMVS(P2)
PUSHJ P,.OUT ; DEVIOS(F)
MOVE T1,OPRFBN(P2)
PUSHJ P,.OUT ; BLOCK NUMBER
MOVE T1,OPRJOB(P2)
PUSHJ P,.OUT ; JOB NUMBER
MOVE T2,OPRPRG(P2)
PUSHJ P,SIXTO5 ; CONVERT PART OF NAME
PUSHJ P,.OUT ; PROGRAM RUNNING (PART 1)
LSHC T1,6
ADDI T1,40
LSH T1,^D29
PUSHJ P,.OUT ; PROGRAM RUNNING (PART 2)
MOVE T2,OPRFIL(P2)
PUSHJ P,SIXTO5
PUSHJ P,.OUT ; FILENAME (PART 1)
LSH T2,-1
PUSH P,T2
MOVE T2,OPREXT(P2)
PUSHJ P,SIXTO5 ; EXT<JNK><JNK>
LSH T1,-^D14 ; <NUL><NUL>EXT
ADD T1,(P) ; X<NUL>EXT
ADD T1,[40B6+"."B13]; PART 2 OF FILENAME
POP P,(P) ; BYE
PUSHJ P,.OUT ; FILENAME (PART 2)
MOVE T1,OPRPPN(P2)
PUSHJ P,.OUT ; PPN
ADDI P2,RECLEN
CAIN P2,BUFFER+BUFSIZ
MOVEI P2,BUFFER
AOJA P1,LOOK1 ; TRY AGAIN
SIXTO5: SETZM T1
MOVEI T4,5
SIXTO: LSHC T1,6
ADDI T1,40
LSH T1,1
SOJG T4,SIXTO
POPJ P,
.OUT: SOSG OBUF+2
JRST .OUT2
.OUT1: IDPB T1,OBUF+1
POPJ P,
.OUT2: OUT D,
JRST .OUT1
GETSTS D,T1
OUTSTR [ASCIZ /
? Output error !/]
EXIT
NOPEN: OUTSTR [ASCIZ /
? OPEN failure for device TRACE/]
JRST PLAYIT
NOENT: OUTSTR [ASCIZ /
? ENTER failure/]
PLAYIT: OUTSTR [ASCIZ /
[ Output is to TRACE:DSKFIL.BIN]/]
EXIT
T1OUT: IDIVI T1,^D10
PUSH P,T2
JUMPE T1,[OUTSTR [ASCIZ /
/]
JRST .+2]
PUSHJ P,T1OUT
POP P,T1
ADDI T1,"0"
OUTCHR T1
POPJ P,
SUBTTL Breakpoint routine
COLECT: PUSH %P,%T1
PUSH %P,%T2
PIOFF
MOVEI %T2,10000 ;AVOID KAF'ING
COLOOP: AOSE INTLCK(%R) ;OK?
JRST [SOJG %T2,COLOOP(%R)
JRST SKIPIT(%R)](%R)
MOVE %T2,%IN(%R)
CAIL %T2,BUFSIZ
SETZM %T2
ADDI %T2,BUFFER(%R) ; Point to next slot to use
MOVEM %S,OPRMVS(%T2)
GETCHN (CHNNUM)
TLZ %T1,-1 ; CLEAR OUT FLAGS
TLNE %S,IO
TLO %T1,IO.WRT
TLNE %S,IOSMON
TLO %T1,IO.MON
MOVEM %T1,OPRSIZ(%T2)
AOS %T1,SEQIN(%R)
MOVEM %T1,OPRSEQ(%T2)
MOVE %T1,@TIME(%R)
MOVEM %T1,OPRTIM(%T2)
MOVE %T1,@.UPMP(%R) ; GET UUO
MOVEM %T1,OPRUUO(%T2)
GETDEV (DEVBLK,OPRBLK)
GETUNI (UNIDES,OPRDES)
GETUNI (UNILOG,OPRLOG)
GETDEV (DEVREL,OPRFBN)
LDB %T1,@PJOBN(%R)
MOVEM %T1,OPRJOB(%T2)
ADD %T1,JBTPRG(%R)
MOVE %T1,(%T1)
MOVEM %T1,OPRPRG(%T2)
GETDEV (DEVFIL,OPRFIL)
GETDEV (DEVEXT,OPREXT)
GETDEV (DEVPPN,OPRPPN)
SUBI %T2,BUFFER(%R)
ADDI %T2,RECLEN ;STEP TO NEXT BUFFER ITEM
MOVEM %T2,%IN(%R)
SETOM INTLCK(%R)
SKIPIT: PION
POP %P,%T2
POP %P,%T1
POPJ %P,
SAVUUO: PUSH %P,%J
PUSH %P,%T1
MOVE %J,@.CPJOB(%R)
MOVE %T1,@.UPMP(%R) ; GET USER'S UUO
ADD %J,%R
MOVEM %T1,UUOJOB(%J) ; SAVE USER'S UUO
POP %P,%T1
POP %P,%J
POPJ %P,
GETUUO: PUSH %P,%J
PUSH %P,%T1
MOVE %J,@.CPJOB(%R)
ADD %J,%R
MOVE %T1,UUOJOB(%J) ; GET USER'S UUO
MOVEM %T1,@.UPMP(%R) ; SAVE BACK IN PAGE MAP
POP %P,%T1
POP %P,%J
POPJ %P,
END TRACER