A2osX/BIN/SHUTDOWN.S.txt

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NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF bin/shutdown
*--------------------------------------
.INB inc/macros.i
.INB inc/a2osx.i
.INB inc/kernel.i
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*--------------------------------------
DEFAULT.TIMEOUT .EQ 60
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*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
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ZPPtr1 .BS 2
CmdPtr .BS 2
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ArgPtr .BS 2
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Count .BS 1
Index .BS 1
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Timeout .BS 4
bSec .BS 1
bTimeout .BS 1
bRestart .BS 1
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ZS.END .ED
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*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
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.DA #S.PS.F.EVENT
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.DA #0
.DA CS.END-CS.START Code Size (without Constants)
.DA DS.END-DS.START Data SegmentSize
.DA #32 Stack Size
.DA #ZS.END-ZS.START Zero Page Size
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
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.DA CS.DOEVENT
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.DA CS.QUIT
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L.MSG.USAGE .DA MSG.USAGE
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L.MSG.CRLF .DA MSG.CRLF
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L.MSG.SHUTDOWN .DA MSG.SHUTDOWN
L.MSG.PS .DA MSG.PS
L.MSG.DEV .DA MSG.DEV
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.DA 0
*--------------------------------------
CS.INIT clc
rts
*--------------------------------------
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CS.RUN lda #DEFAULT.TIMEOUT
sta Timeout
.1 inc Index
lda Index
>SYSCALL ArgV
bcs .8
>STYA ZPPtr1
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lda (ZPPtr1)
cmp #'-'
bne .5
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ldy #2
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lda (ZPPtr1),y
bne .9
dey
lda (ZPPtr1),y
cmp #'a'
bcc .3
cmp #'z'+1
bcs .3
eor #$20
.3 cmp #'T'
bne .4
inc Index
lda Index
>SYSCALL ArgV
bcs .9
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>SYSCALL AToL
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bcs .9
>PULLL Timeout
bra .1
.4 cmp #'R'
bne .9
sec
ror bRestart
bra .1
.5 >LDYA ZPPtr1
ldx CmdPtr+1
bne .6
>STYA CmdPtr
lda #3
sta Timeout
bra .1
.6 ldx ArgPtr+1
bne .1
>STYA ArgPtr
bra .1
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.8 jsr CS.RUN.WAIT
bcs .99
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jsr CS.RUN.PS
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jsr CS.RUN.DEV
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jsr CS.RUN.SYS
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>PUSHBI 1 INITD
>PUSHA SIGNAL
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>SYSCALL Kill
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lda #0
sec
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.99 rts
*--------------------------------------
.9 >PUSHW L.MSG.USAGE
>PUSHBI 0
>SYSCALL PrintF
lda #E.SYN
sec
rts
*--------------------------------------
CS.RUN.WAIT >PUSHW L.MSG.SHUTDOWN
>PUSHL Timeout
>PUSHBI 4
>SYSCALL PrintF
.1 >SLEEP
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ldy #S.PS.hStdIn
lda (pPS),y
>SYSCALL FEOF
bcs .2
tay
bne .2 CC
>SYSCALL GetChar
bcs .9
cmp #$03 Ctrl-C
beq .9 CS
.2 lda bSec
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bpl .1
stz bSec
lda bTimeout
bpl CS.RUN.WAIT
>PUSHW L.MSG.CRLF
>PUSHBI 0
>SYSCALL PrintF
clc
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.9 rts
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*--------------------------------------
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CS.RUN.PS stz Count
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ldx #0
stx Index
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.1 lda PS.Table.hPS,x
beq .7
>SYSCALL GetMemPtr
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>STYA ZPPtr1
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.2 lda (ZPPtr1)
bpl .4 HOLD ?
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ldy #S.PS.CPID
lda (ZPPtr1),y
.3 jsr CS.GetPSByID
bra .2
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.4 ldy #S.PS.S
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lda (ZPPtr1),y
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cmp #S.PS.S.QUIT
beq .6
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ldy #S.PS.PID
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lda (ZPPtr1),y
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beq .7 don't kill PS0
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cmp #1
beq .7 don't kill INITD
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cmp (pPS),y don't kill myself
beq .7
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jsr CS.RUN.KILL
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.5 ldy #S.PS.PPID
lda (ZPPtr1),y
bne .3 go kill parent if not 0
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.6 inc Count
.7 >SLEEP
inc Index
ldx Index
cpx #K.PS.MAX
bne .1
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lda Count
bne CS.RUN.PS
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sec
rts
*--------------------------------------
CS.RUN.KILL >PUSHW L.MSG.PS
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ldy #S.PS.PID
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lda (ZPPtr1),y
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>PUSHA
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ldy #S.PS.hARGV
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lda (ZPPtr1),y
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>SYSCALL GetMemPtr
>PUSHYA
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>PUSHBI 3
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>SYSCALL PrintF
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ldy #S.PS.PID
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lda (ZPPtr1),y
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>PUSHA
>PUSHBI 1 SIG
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>SYSCALL Kill
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rts
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*--------------------------------------
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CS.RUN.DEV ldx #K.hFD.MAX
.1 dex
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stx Index
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lda hFDs,x
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beq .7
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>SYSCALL GetMemPtr
>STYA ZPPtr1
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>PUSHW L.MSG.DEV
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>PUSHB Index
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lda ZPPtr1
clc
adc #S.FD.DEV
tay
lda ZPPtr1+1
adc /S.FD.DEV
>PUSHYA
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>PUSHBI 3
>SYSCALL PrintF
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ldx Index
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>PUSHB hFDs,x
>PUSHBI IOCTL.CLOSE
>PUSHWZ
>SYSCALL IOCTL
.7 ldx Index
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bne .1
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rts
*--------------------------------------
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CS.RUN.SYS stz $280
>LDYA CmdPtr
beq .8
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>PUSHYA
>PUSHWI $281
>SYSCALL RealPath
bcs .8
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ldx #$ff
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.1 inx
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lda $281,x
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bne .1
stx $280
>LDYA ArgPtr
beq .8
>PUSHYA
>PUSHBI 2
txa Arg0 len
ora #$80 $280
inc +1 byte len
pha
inc skip arg1 len byte
>PUSHA
>SYSCALL RealPath
ply
ldy $280
ldx #$ff
.2 iny
inx
lda $281,y
bne .2
txa
ldy $280
iny
sta $280,y
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.8 rts
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*--------------------------------------
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CS.GetPSByID ldx #0
.1 ldy PS.Table.hPS,x
beq .7
pha
tya
phx
>SYSCALL GetMemPtr
>STYA ZPPtr1
plx
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pla
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ldy #S.PS.PID
cmp (ZPPtr1),y
beq .8
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.7 inx
cpx #K.PS.MAX
bne .1
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* sec
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rts
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.8 clc
rts
*--------------------------------------
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CS.DOEVENT lda (pEvent)
bpl .9
asl
bpl .9
sta bSec
ldx #4
ldy #0
clc
.1 lda Timeout,y
sbc #0
sta Timeout,y
iny
dex
bne .1
ror
eor #$80
sta bTimeout
.9 sec
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rts
*--------------------------------------
CS.QUIT clc
rts
*--------------------------------------
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CS.END
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MSG.USAGE .AS "Usage : SHUTDOWN <NEXT.SYSTEM>\r\n"
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.AS " -R : Restart System\r\n"
.AS " -T <seconds> : default to 60"
MSG.CRLF .AZ "\r\n"
MSG.SHUTDOWN .AZ "\r\e[KSHUTDOWN:System will stop in %u seconds..."
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MSG.PS .AZ "SHUTDOWN:Killing process %3d, %s\r\n"
MSG.DEV .AZ "SHUTDOWN:Closing device %3d, %s\r\n"
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*--------------------------------------
.DUMMY
.OR 0
DS.START
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DS.END .ED
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*--------------------------------------
MAN
SAVE usr/src/bin/shutdown.s
ASM