SHUTDN - Shut down ITS.

src/bawden/shutdn.6

@@ -0,0 +1,220 @@
+; -*- Midas -*-
+
+title SHUTDN - Set ITS to shut down
+
+a=:1
+b=:2
+c=:3
+d=:4
+e=:5
+t=:6
+tt=:7
+x=:10
+y=:11
+z=:12
+
+p=:17
+
+..bch==:0,,-1
+chttyi==:1
+chttyo==:2
+chdski==:3
+
+%fr==:0,,525252
+%fl==:1,,525252
+
+call=:pushj p,
+return=:popj p,
+save==:push p,
+rest==:pop p,
+flose=:.lose %lsfil
+slose=:.lose %lssys
+pause=:.break 16,100000
+tyi=:.iot chttyi,
+tyo=:.iot chttyo,
+
+quit=:call .
+$quit:	skipe debug
+	 pause
+	.logout 1,
+
+define bltdup org,len
+	move tt,[<org>,,<org>+1]
+	blt tt,<org>+<len>-1
+termin
+
+define syscall name,args
+	.call [setz ? .1stwd sixbit /name/ ? args(400000)]
+termin
+
+define conc foo,bar
+foo!bar!termin
+
+; JSP T,LOSE is like .LOSE %LSSYS(TT) or SLOSE (TT)
+lose:	syscall lose,[movei %lssys(tt) ? movei -2(t)]
+	 slose
+
+popj1:	aos (p)
+cpopj:	return
+
+datime"$$abs==:1
+datime"$$in==:1
+datime"$$out==:1
+.insrt dsk:syseng;datime >
+
+format"$$time==:1
+format"datime==:datime"twdasc	; ~Q
+format"time==:datime"twdasc	; ~:Q
+format"date==:datime"twdasc	; ~@Q
+format"$$pcode==:1
+.insrt dsk:syseng;format >
+
+outstr:	syscall siot,[movei chttyo ? a ? b]
+	 slose
+	return
+
+define format &string&,args
+	call [
+	call $format
+.zzz.==-1
+irp arg,,[args]
+	save arg
+.zzz.==.irpcnt
+termin
+	hrroi a,[ascii string]
+	movei b,.length string
+	movni c,.zzz.+1
+	jrst format"format]
+termin
+
+$forma:	save a
+	save b
+	save c
+	call @-3(p)
+	rest c
+	rest b
+	rest a
+	rest (p)
+	return
+
+.vector pdl(lpdl==:100.)
+
+usrvar:	sixbit /OPTION/	? tlo %opint\%opopc
+	sixbit /MASK/	? move [%pipdl]
+	sixbit /OPTION/	? movem a
+lusrvar==:.-usrvar
+
+go:	move p,[-lpdl,,pdl-1]
+	.open chttyi,[.uai,,'tty ? setz ? setz]
+	 slose
+	.open chttyo,[.uao\%tjdis,,'tty ? setz ? setz]
+	 slose
+	move t,[-lusrvar,,usrvar]
+	syscall usrvar,[movei %jself ? move t]
+	 slose
+.scalar shutdn
+.scalar mname
+	syscall sstatu,[movem shutdn ? repeat 5,[ ? movem mname]]
+	 slose
+.scalar time
+	syscall rqdate,[movem time]
+	 slose
+	tlnn a,%opcmd
+	 jrst nocmd
+	syscall open,[movsi %donrf\.uai ? movei chdski
+			[sixbit /SYS/] ? [sixbit /DOWN/] ? [sixbit /MAIL/]]
+	 jrst nomail
+.vector cmd(lcmd==:100.)
+	setzm cmd+0
+	bltdup cmd,lcmd
+	.break 12,[..rjcl,,cmd]
+	move d,[440700,,cmd]
+.scalar dtime
+	call datime"asctwd
+	movem a,dtime
+	move b,time
+	call datime"timsub
+	caig a,5*60.
+	 jrst badtim
+	format "~&Schedule ~S to go down at ~Q?",[mname,dtime]
+	tyi t
+	caie t,"y
+	 cain t,"Y
+	  jrst doit
+	quit
+
+doit:	move a,dtime
+	syscall rqdate,[movem b]
+	 slose
+	call datime"timsub
+	caig a,5*60.
+	 jrst badtim
+	imuli a,30.
+	skipn debug
+	 .shutdn a,
+	  format "~&Failed!"
+	quit
+
+badtim:	jumpl a,badtm1
+	format "~&~Q is too soon!",dtime
+	quit
+
+badtm1:	format "~&~Q has already passed!",dtime
+	quit
+
+nomail:	format "~&There is no SYS:DOWN MAIL"
+	quit
+
+nocmd:	skipge b,shutdn
+	 jrst nocmd1
+	addi b,15.
+	idivi b,30.
+	move a,time
+	call datime"timadd
+	format "~&~S is going down at ~Q",[mname,a]
+	quit
+
+nocmd1:	aojl b,nocmd2
+	format "~&~S is not scheduled to go down.",mname
+	quit
+
+nocmd2:	format "~&~S is down!",mname
+	quit
+
+intsv0==:t			; Save T
+intsv9==:z			; Through Z
+intsvn==:intsv9+1-intsv0
+
+intctl==:400000+intsv0_6+intsvn	; control bits
+intpc==:-<3+intsvn>		; INTPC(P) is PC before interrupt.
+intdf1==:intpc-2		; INTDF1(P) is .DF1 before interrupt.
+intdf2==:intpc-1		; INTDF2(P) is .DF2 before interrupt.
+intrq1==:intpc-4		; INTRQ1(P) are first word bits.
+intrq2==:intpc-3		; INTRQ2(P) are second word bits.
+intac0==:intpc+1-intsv0		; INTAC0+C(P) is C before interrupt.
+
+tsint:
+loc 42
+	-ltsint,,tsint
+loc tsint
+	intctl,,p
+ltsint==:.-tsint
+
+dismis:	setz ? sixbit /DISMIS/ ? movsi intctl ? setz p
+
+cnst0:
+constants
+repeat <.-cnst0+77>/100, conc cnst,\.rpcnt,=:cnst0+.rpcnt*100
+
+variables
+
+debug:	0
+
+patch::
+pat:	block 100.
+epatch:	-1			; Make memory exist, end of patch area
+
+ffaddr:
+ffpage==:<ffaddr+1777>_-12
+
+end go