A2osX/BIN/PS.S.txt
2023-10-18 07:41:12 +02:00

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NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF bin/ps
*--------------------------------------
.INB inc/macros.i
.INB inc/a2osx.i
.INB inc/kernel.i
*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
ZPPSPtr .BS 2
ZPSessionPtr .BS 2
ZPArgV .BS 2
Index .BS 1
hSession .BS 1
ZS.END
.ED
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA #0 S.PS.F.EVENT
.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
.DA CS.DOEVENT
.DA CS.QUIT
L.MSG0 .DA MSG0
L.MSG1 .DA MSG1
L.MSG2 .DA MSG2
L.MSG3 .DA MSG3
L.STATUS .DA MSG.INIT
.DA MSG.RUN
.DA MSG.EVENT
.DA MSG.QUIT
.DA 0
*--------------------------------------
CS.INIT clc
rts
*--------------------------------------
CS.RUN lda #1
>SYSCALL ArgV
bcs .10
>SYSCALL AToI
bcs .90
tax
bne .90
tya
* ldx #0
.11 cmp PSs.PID,x
beq .12
inx
cpx #K.PS.MAX
bne .11
lda #E.NSP
* sec
rts
.12 lda PSs.hPS,x
jsr CS.RUN.DUMP
bcs .9
lda #0
sec
rts
.10 >LDYA L.MSG0
>SYSCALL PutS
ldx Index
.1 lda PSs.hPS,x
beq .7
jsr CS.RUN.DUMP
>SLEEP
.7 inc Index
ldx Index
cpx #K.PS.MAX
bne .1
.8 lda #0 tell Kernel that all done ok, but
sec we do not want to stay in memory
.9 rts
.90 lda #E.SYN
sec
rts
*--------------------------------------
CS.RUN.DUMP >SYSCALL GetMemPtr
>STYA ZPPSPtr
>PUSHW L.MSG1
ldx Index
lda PSs.hPS,x
>PUSHA
ldy #S.PS.PPID
.1 lda (ZPPSPtr),y
>PUSHA
iny
cpy #S.PS.CPID+1
bne .1
lda PSs.Stats,x
>PUSHA CPU%
ldy #S.PS.S
lda (ZPPSPtr),y
tax
>PUSHW L.STATUS,x
jsr CS.RUN.DecodeFlags
>PUSHEA.G PS.FLAGS
ldy #S.PS.hSession
lda (ZPPSPtr),y
tax
lda USRs.hSID-1,x
>SYSCALL GetStkObj
bcs .9
>STYA ZPSessionPtr
stx hSession
ldy #S.SESSION.UID
lda (ZPSessionPtr),y
>PUSHA
>PUSHBI 10
>SYSCALL PrintF
lda hSession
>SYSCALL FreeMem
jmp CS.RUN.PrintArgs
.9 rts
*--------------------------------------
CS.RUN.DecodeFlags
lda (ZPPSPtr) Get flags
ldy #PS.FLAGS+7
ldx #7
.2 lsr
pha
lda #'-'
bcc .3
lda MSG.FLAGS,x
.3 sta (pData),y
pla
dey
dex
bpl .2
rts
*--------------------------------------
CS.RUN.PrintArgs
ldy #S.PS.hARGV
lda (ZPPSPtr),y
beq .8 NO ARGV in PS0
>SYSCALL GetMemPtr
>STYA ZPArgV
.1 lda (ZPArgV)
beq .8
>PUSHW L.MSG2
>PUSHW ZPArgV
>PUSHBI 2
>SYSCALL PrintF
bcs .9
.2 inc ZPArgV
bne .3
inc ZPArgV+1
.3 lda (ZPArgV)
bne .2
inc ZPArgV
bne .1
inc ZPArgV+1
bra .1
.8 >LDYA L.MSG3
>SYSCALL PutS
.9 rts
*--------------------------------------
CS.DOEVENT sec
rts
*--------------------------------------
CS.QUIT clc
rts
*--------------------------------------
CS.END
MSG0 .CZ "\e[?7lhPS pPID PID cPID CPU% Status Flags UID Args"
MSG1 .CZ "%3d %3d %3d %3d %3d\% %6s %s %3d"
MSG2 .CS " %s"
MSG3 .DA #0
MSG.FLAGS .AS "HS???XEN"
MSG.INIT .AZ "Init"
MSG.RUN .AZ "Run"
MSG.EVENT .AZ "Event"
MSG.QUIT .AZ "Quit"
*--------------------------------------
.DUMMY
.OR 0
DS.START
PS.FLAGS .BS 9
DS.END
.ED
*--------------------------------------
MAN
SAVE usr/src/bin/ps.s
ASM