mirror of
https://github.com/A2osX/A2osX.git
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Kernel 0.9.1 : Code reorganization & move to CSTR (PS switcher)
This commit is contained in:
Rémy GIBERT
parent
24efef7d3b
commit
832cb80c06
Binary file not shown.
Binary file not shown.
@ -65,7 +65,7 @@ PS.Table.PID .EQ $0C00 K.PS.MAX
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PS.Table.hMem .EQ $0C00+K.PS.MAX
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K.Buf256 .EQ $0E00 Main
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*--------------------------------------
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K.STACK .EQ $0F20 down to $0f00
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K.STACKTOP .EQ $0F20 down to $0f00
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*--------------------------------------
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*** Z80 Reserved $0F00-10FF***
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*--------------------------------------
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@ -150,6 +150,7 @@ H.BIN.CODE.LEN .EQ 8
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*
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H.BIN.EXE.DS.SIZE .EQ 10
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H.BIN.EXE.SS.SIZE .EQ 12
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H.BIN.EXE.ZP.SIZE .EQ 13
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H.BIN.EXE.REL.TABLE .EQ 16
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*
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H.BIN.DRV.HEADER.O .EQ 10
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@ -452,7 +453,7 @@ S.PS.CPID .EQ 3
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S.PS.hCS .EQ 4
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S.PS.hDS .EQ 5
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S.PS.hSS .EQ 6
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S.PS.SP .EQ 7
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*S.PS.SP .EQ 7
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S.PS.hENV .EQ 8
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S.PS.hPREFIX .EQ 9
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S.PS.hStdIn .EQ 10
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@ -163,7 +163,7 @@ CSH.Run jsr CSH.GetBuf
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>STA.G bCmdBufexec
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>LDA.G bEcho
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beq .80
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* beq .80
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>PUSHW ZPCMDBuf
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>LDYA L.MSG.ECHO
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@ -8,89 +8,89 @@ SYS.BASL0 .EQ $800
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*--------------------------------------
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CORE.Run lda CORE.PSCount
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sta CORE.Counter
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beq CORE.Events
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bne .1 SHOULD NEVER HAPPEN!!!
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jmp CORE.Events
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.1 ldx CORE.Counter
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lda PS.Table.PID-1,x
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beq .7
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beq .8
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lda PS.Table.hMem-1,x
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jsr K.GetMemPtr.A
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>STYA pPS
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lda (pPs) get S.PS.F
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bit #S.PS.F.HOLD Waiting for Another Task to Terminate?
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beq .2
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ldy #S.PS.CPID
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lda (pPs),y
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jsr CORE.GetPSByID.A
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bcc .7 yes, running....
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bcc .8 yes, still running....
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lda (pPs) get S.PS.F
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lda (pPs) get S.PS.F again
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and #$FF^S.PS.F.HOLD unmark as HOLD
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sta (pPs)
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.2 jsr CORE.PSSelect
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lda (pPS)
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bit #S.PS.F.INIT
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bne .30
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.2 jsr CORE.PSEnter Restore at least ZP & Ptrs
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lda (pPs) get S.PS.F again
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bit #S.PS.F.SLEEP Is this PS sleeping?
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beq .3 no, call TSKMGR.RUN
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beq .3 no, call INIT/RUN
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jsr CORE.PSWakeUp
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bra .4
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and #$FF^S.PS.F.SLEEP unmark as SLEEP
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sta (pPS)
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.30 and #$FF^S.PS.F.INIT unmark as INIT
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jsr CORE.PSResume Restore PC....and JMP to
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bcc .7
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bcs .5
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.3 bit #S.PS.F.INIT
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beq .4
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and #$FF^S.PS.F.INIT unmark as INIT
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sta (pPS)
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ldx #TSKMGR.INIT
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.HS 2C BIT abs
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.3 ldx #TSKMGR.RUN
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.4 ldx #TSKMGR.RUN
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.31 jsr pCodeJmp Call INIT/RUN function
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jsr pCodeJmp Call INIT/RUN function
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bcc .7 INIT/RUN/RESUME said CS=QUIT?
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.4 bcc .7 INIT/RUN said CS=QUIT?
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pha save RC
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.5 tax save RC
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ldy #S.PS.PPID Notify Parent Process for exit code...
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lda (pPs),y
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jsr CORE.GetPSByID.A
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bcs .5 parent is dead.....skipping...
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jsr CORE.GetPSByID.A X unmodified
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bcs .6 parent is dead.....skipping...
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>STYA ZPPtr1
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lda (ZPPtr1) Parent PS is HOLD?
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bit #S.PS.F.HOLD
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beq .5 no...
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beq .6 no...
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eor #S.PS.F.HOLD yes, release hold...
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sta (ZPPtr1)
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pla ...probably waiting for this PS to terminate....
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txa ...probably waiting for this PS to terminate....
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ldy #S.PS.RC give it RC
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sta (ZPPtr1),y
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.HS B0 BCS
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.5 pla
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.6 ldx #TSKMGR.QUIT yes, quit this process
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.6 ldx #TSKMGR.QUIT Quit this process
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jsr pCodeJmp Call QUIT function
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ldy #S.PS.PID
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lda (pPs),y
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jsr CORE.PSFree.A
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bra .8
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.7 dec CORE.Counter
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.7 jsr CORE.PSLeave Save ZP & Ptrs
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.8 dec CORE.Counter
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bne .1
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*--------------------------------------
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CORE.Events stx A2osX.RANDOM16
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CORE.Events jsr CORE.GetEvents
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jsr CORE.GetEvents
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txa
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eor KBD
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sta A2osX.RANDOM16+1
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bcs .4 CS=no event
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jsr CORE.DispatchEvents
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@ -116,7 +116,7 @@ CORE.Events stx A2osX.RANDOM16
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sta pEvent
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lda EVTMGR.COUNT
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bne .1
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*--------------------------------------
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.4 lda A2osX.ASCREEN
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cmp #2 is SYS active?
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bne .6
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@ -143,6 +143,7 @@ CORE.Events stx A2osX.RANDOM16
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cmp #"5"
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bcs .8
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sta KBDSTROBE
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jsr CORE.ScreenSelect
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.8 jmp CORE.Run
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*--------------------------------------
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@ -170,7 +171,7 @@ CORE.GetEvents lda #EvtMgr.Table
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.10 lda VBL get VLINE status
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tax
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eor EvtMgr.VBLState
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bpl .3 no change,no tick
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bpl .3 no change,no tick
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txa
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sta EvtMgr.VBLState save new
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bpl .3 Up2down transition,no tick
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@ -224,7 +225,7 @@ CORE.DispatchEvents
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.1 ldx CORE.Counter
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lda PS.Table.PID-1,x
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beq .4
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beq .5
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lda PS.Table.hMem-1,x
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jsr K.GetMemPtr.A
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@ -232,12 +233,12 @@ CORE.DispatchEvents
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lda (pPs) get S.PS.F
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bit #S.PS.F.INIT+S.PS.F.HOLD Init or Waiting for Another Task to Terminate?
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bne .4
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bne .5
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bit #S.PS.F.EVENT Accept Events ?
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beq .4
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beq .5
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jsr CORE.PSSelect
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jsr CORE.PSEnter
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lda #EvtMgr.Table
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sta pEvent Select first event in list
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@ -248,10 +249,6 @@ CORE.DispatchEvents
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.2 lda (pEvent) Empty event, select next
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beq .3
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lda (pCode)
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cmp #H.BIN.HEADER.BIN65
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bne *
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ldx #TSKMGR.DOEVENT
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jsr pCodeJmp Call DOEVENT function
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bcs .3 not for this PS, try next event in list
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@ -268,74 +265,29 @@ CORE.DispatchEvents
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adc #S.EVT
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sta pEvent
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bra .2
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.4 jsr CORE.PSLeave
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.4 dec CORE.Counter
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.5 dec CORE.Counter
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bne .1
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.9 dec
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.9 sec
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rts
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.8 clc
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rts
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*--------------------------------------
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CORE.DumpEvent ldy #S.EVT-1
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.1 >PUSHB (pEvent),y
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dey
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bpl .1
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>LDYAI .2
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jmp K.PrintF.YA
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.2 >CSTR "!Evt:F=%b,Dev=$%h,LO=$%h,HI=$%h,W1=$%H,W2=$%H\n"
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*--------------------------------------
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CORE.ScreenSelect
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sta KBDSTROBE
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and #$0F
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cmp A2osX.ASCREEN Same as active screen...nothing to do
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beq .8
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tax
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lda A2osX.SCRNDEVS-1,x
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beq .8 No device claimed this screen
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jsr K.GetDevByID.A x unmodified.....
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bcs .8 ???
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stx A2osX.ASCREEN
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>STYA pDev
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ldx #DEVMGR.CONTROL
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jmp pDevJmp
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.8 rts
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*--------------------------------------
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CORE.GetPSByID.A
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ldx CORE.PSCount
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beq .9
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.1 cmp PS.Table.PID-1,x
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beq .2
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dex
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bne .1
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.9 lda #TSKMGR.ERRNSP
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sec
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CORE.Quit clc
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rts
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.2 lda PS.TABLE.hMem-1,x
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jmp K.GetMemPtr.A
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*--------------------------------------
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* PS.Free.A
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* In : A = PID to free
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*--------------------------------------
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CORE.PSFree.A jsr CORE.GetPSByID.A PS in ZPPtr1
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CORE.PSFree.A sta .1+1 Save PS ID
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jsr CORE.GetPSByID.A PS in ZPPtr1
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bcs .9
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>STYA ZPPtr1
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stx .1+1 Save Offset in PS.Table
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ldy #S.PS.hSS
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jsr .8
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@ -358,17 +310,74 @@ CORE.PSFree.A jsr CORE.GetPSByID.A PS in ZPPtr1
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ldy #S.PS.hPREFIX
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jsr .8
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.1 ldx #$ff Self Modified
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stz PS.Table.PID-1,x
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.1 lda #$ff Self Modified
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ldx CORE.PSCount
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.2 cmp PS.Table.PID-1,x
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beq .3
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dex
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bne .2
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bra *
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.3 stz PS.Table.PID-1,x
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lda PS.TABLE.hMem-1,x
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.7 jmp K.FreeMem.A
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jmp K.FreeMem.A
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.8 lda (ZPPtr1),y
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bne .9
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.9 rts
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*--------------------------------------
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CORE.Quit clc
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* X unmodofied
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*--------------------------------------
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CORE.GetPSByID.A
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ldy CORE.PSCount
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beq .9
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.1 cmp PS.Table.PID-1,y
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beq .2
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dey
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bne .1
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.9 lda #TSKMGR.ERRNSP
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sec
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rts
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.2 lda PS.TABLE.hMem-1,y
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jmp K.GetMemPtr.A
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*--------------------------------------
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CORE.DumpEvent ldy #S.EVT-1
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.1 >PUSHB (pEvent),y
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dey
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bpl .1
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>LDYAI .2
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jmp K.PrintF.YA
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.2 >CSTR "!Evt:F=%b,Dev=$%h,LO=$%h,HI=$%h,W1=$%H,W2=$%H\n"
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*--------------------------------------
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CORE.ScreenSelect
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and #$0F
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cmp A2osX.ASCREEN Same as active screen...nothing to do
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beq .8
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tax
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lda A2osX.SCRNDEVS-1,x
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beq .8 No device claimed this screen
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jsr K.GetDevByID.A x unmodified.....
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bcs .8 ???
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stx A2osX.ASCREEN
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>STYA pDev
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ldx #DEVMGR.CONTROL
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jmp pDevJmp
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.8 rts
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*--------------------------------------
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CORE.DestroyEvent
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lda (pEvent)
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@ -397,35 +406,10 @@ CORE.DestroyEvent
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*--------------------------------------
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CORE.PSSelect0 >LDYAI CORE.S.PS0 Select PS0
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>STYA pPs
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>LDYA K.STACK
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>LDYA CORE.S.PS0+S.PS.Context+4
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>STYA pStack
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rts
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*--------------------------------------
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CORE.PSSelect ldy #S.PS.hCS
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lda (pPs),y
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jsr K.GetMemPtr.A
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>STYA pCode
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ldy #S.PS.hDS
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lda (pPs),y
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beq .1
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jsr K.GetMemPtr.A
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>STYA pData
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.1 ldy #S.PS.hSS
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lda (pPs),y
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jsr K.GetMemPtr.A
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sta pStack+1
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ldy #S.PS.SP
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lda (pPs),y
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sta pStack
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clc
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rts
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*/--------------------------------------
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* # Sleep
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* Make current process suspend until next RUN
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@ -448,11 +432,11 @@ K.Sleep pla get PC LO
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lda (pPs)
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ora #S.PS.F.SLEEP
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sta (pPs)
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*--------------------------------------
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CORE.PSLeave ldy #S.PS.Context+23
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ldx #23
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.1 lda pPs,x
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.1 lda pCode,x
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sta (pPs),y
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dey
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dex
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@ -461,11 +445,17 @@ CORE.PSLeave ldy #S.PS.Context+23
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clc No error,
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rts back to Kernel
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*--------------------------------------
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CORE.PSWakeUp lda (pPs)
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and #$FF^S.PS.F.SLEEP unmark as SLEEP
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sta (pPS)
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CORE.PSEnter ldy #S.PS.Context+23
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ldx #23
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ldy #S.PS.PC
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.1 lda (pPs),y
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sta pCode,x
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dey
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dex
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bpl .1
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rts
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*--------------------------------------
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CORE.PSResume ldy #S.PS.PC
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lda (pPs),y
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sec Advance PC by one as it was saved by a JSR
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adc pCode setup by PS.Select
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@ -474,15 +464,6 @@ CORE.PSWakeUp lda (pPs)
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lda (pPs),y
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adc pCode+1
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sta .8+2
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ldy #S.PS.Context+23
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ldx #23
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.1 lda (pPs),y
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sta pPs,x
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dey
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dex
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bpl .1
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.8 jmp $FFFF
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*--------------------------------------
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@ -76,9 +76,6 @@ Kernel.Init2 >LDAXI MSG.Init2
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>STYA ZPPtr3
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jsr Kernel.Move
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>LDYAI K.STACK
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>STYA pStack init Kernel Soft Stack
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sta CLRALTZP Make MAIN ZP is enabled for X.PRINT.F
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cli
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@ -409,23 +406,23 @@ PS0Init ldx #S.DEV*2 NUL,SYS
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>LDYAI CORE.S.PS0 Select Process 0 (Kernel)
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>STYA pPs
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ldy #S.PS-1
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lda #0
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.2 sta (pPs),y Blank PS0
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dey
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bpl .2
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>LDYAI K.STACKTOP
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>STYA pStack
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>STYA CORE.S.PS0+S.PS.Context+4 init Kernel Soft Stack
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>LDYAI DEV.SYS
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>SYSCALL MkNod.YA
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bcs .9
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ldy #S.PS.hStdIn
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sta (pPs),y
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sta CORE.S.PS0+S.PS.hStdIn
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ldy #S.PS.hStdOut
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sta (pPs),y
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sta CORE.S.PS0+S.PS.hStdOut
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ldy #S.PS.hStdErr
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sta (pPs),y
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sta CORE.S.PS0+S.PS.hStdErr
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clc
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.9 rts
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@ -65,7 +65,7 @@ PS.CreateChild ldx #0
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beq .2
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lda PS.Table.PID,x
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||||
beq .3 Found an empty slot
|
||||
beq .31 Found an empty slot
|
||||
inx
|
||||
bra .1
|
||||
|
||||
@ -78,7 +78,7 @@ PS.CreateChild ldx #0
|
||||
|
||||
.3 inc CORE.PSCount
|
||||
|
||||
phx save PS inex
|
||||
.31 phx save PS inex
|
||||
|
||||
.4 inc CORE.LastPSID Get a PSID not alredy running
|
||||
beq .4 not = 0
|
||||
@ -251,11 +251,18 @@ PS.CmdLine2Args.bInQuote
|
||||
*--------------------------------------
|
||||
PS.Init jsr BIN.Load.YA Y,A=filename full path
|
||||
bcs .9
|
||||
|
||||
>STYA ZPPtr4 save PTR to Code Segment
|
||||
|
||||
phy
|
||||
ldy #S.PS.Context+1
|
||||
sta (ZPPtr3),y save pCode HI...
|
||||
dey
|
||||
pla
|
||||
sta (ZPPtr3),y save pCode LO...
|
||||
|
||||
txa
|
||||
ldy #S.PS.hCS
|
||||
sta (ZPPtr3),y save CS hMem in TSKSLOT
|
||||
sta (ZPPtr3),y save CS hMem in S.PS
|
||||
|
||||
ldy #H.BIN.EXE.DS.SIZE+1
|
||||
lda (ZPPtr4),y Load DS.SIZE HI
|
||||
@ -271,29 +278,40 @@ PS.Init jsr BIN.Load.YA Y,A=filename full path
|
||||
jsr K.GetMem0.YA
|
||||
bcs .9
|
||||
|
||||
phy
|
||||
ldy #S.PS.Context+3
|
||||
sta (ZPPtr3),y save pData HI...
|
||||
dey
|
||||
pla
|
||||
sta (ZPPtr3),y save pData LO...
|
||||
|
||||
txa
|
||||
ldy #S.PS.hDS
|
||||
sta (ZPPtr3),y save DS hMem in TSKSLOT
|
||||
sta (ZPPtr3),y save DS hMem in S.PS
|
||||
|
||||
.2 ldy #H.BIN.EXE.SS.SIZE
|
||||
lda (ZPPtr4),y Load SS.SIZE.LO
|
||||
lda (ZPPtr4),y Load SS.SIZE
|
||||
ldy #S.PS.Context+4
|
||||
sta (ZPPtr3),y save pStack LO...
|
||||
|
||||
ldy #S.PS.SP
|
||||
sta (ZPPtr3),y Init SP to top of hSS
|
||||
tay
|
||||
|
||||
lda #0
|
||||
tay
|
||||
bne .3 SS.SIZE.LO=0, set as default $100
|
||||
inc SS.SIZE.HI
|
||||
lda #1 SS.SIZE.HI
|
||||
.HS 2C bit abs
|
||||
.3 lda #0
|
||||
|
||||
.3 >PUSHYA
|
||||
>PUSHYA
|
||||
>PUSHBI S.MEM.F.ALIGN
|
||||
jsr K.GetMem
|
||||
bcs .9
|
||||
|
||||
ldy #S.PS.Context+5
|
||||
sta (ZPPtr3),y save pStack HI...(LO alredy set to Stack TOP)
|
||||
|
||||
txa
|
||||
ldy #S.PS.hSS
|
||||
sta (ZPPtr3),y save SS hMem in TSKSLOT
|
||||
sta (ZPPtr3),y save SS hMem in S.PS
|
||||
|
||||
clc
|
||||
.9 rts
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user