mirror of
https://github.com/A2osX/A2osX.git
synced 2024-06-02 13:41:30 +00:00
522 lines
10 KiB
Plaintext
522 lines
10 KiB
Plaintext
PR#3
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PREFIX /A2OSX.BUILD
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LOMEM $A00
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INC 1
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AUTO 6
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*--------------------------------------
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Kernel.Init3 sta SETALTZP
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bit RRAMWRAMBNK1
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bit RRAMWRAMBNK1
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jsr MemMgrInit
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jsr PS0Init
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bcs *
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>LDYAI MSG.Init3
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>SYSCALL CPrintFYA
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>LDYAI MSG.DEV
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>SYSCALL CPrintFYA
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jsr DevMgrInit
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bcs *
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>LDYAI MSG.IRQ
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>SYSCALL CPrintFYA
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jsr IrqMgrInit
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bcs *
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>LDYAI MSG.EVT
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>SYSCALL CPrintFYA
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jsr EvtMgrInit
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bcs *
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>LDYAI MSG.FLT
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>SYSCALL CPrintFYA
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jsr FltMgrInit
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bcs *
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>LDYAI MSG.TSK
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>SYSCALL CPrintFYA
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jsr TskMgrInit
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bcs *
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ldy #S.PS.hPREFIX
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lda (pPs),y
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>SYSCALL GetMemPtrA
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>PUSHYA
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>LDYAI MSG.Prefix
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>SYSCALL CPrintFYA
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>PUSHWI STARTUP.CMDLINE
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>LDYAI MSG.Startup
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>SYSCALL CPrintFYA
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>LDYAI STARTUP.CMDLINE
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>SYSCALL ExpandPStrYA
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phx Save Expanded CMDLINE for discard
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>SYSCALL CreateProcessYA
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bcs .9
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pla
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>SYSCALL FreeMemA ...discard...
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>LDYAI MSG.Init3.OK
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>SYSCALL CPrintFYA
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>LDYAI TskMgr.Table
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>STYA pPs
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>DEBUGOA
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bit RRAMWRAMBNK2
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bit RRAMWRAMBNK2
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jmp K.KernelRun
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.9 >PUSHA
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>LDYAI MSG.StartupErr
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>SYSCALL CPrintFYA
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bra * No need to discard Expanded CMDLINE
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*--------------------------------------
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MemMgrInit >LDYAI MemMgr.MHiMem
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>STYA MemMgr.HiMem
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>STYA MemMgr.Free
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>LDYAI MemMgr.MLoMem
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>STYA MemMgr.LoMem
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stz MemMgr.LastSlot Reserve Slot #0
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sta SETWRITEAUX
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>LDYAI MemMgr.XHiMem
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>STYA MemMgr.HiMem
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>STYA MemMgr.Free
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>LDYAI MemMgr.XLoMem
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>STYA MemMgr.LoMem
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stz MemMgr.LastSlot Reserve Slot #0
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sta CLRWRITEAUX
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rts
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*--------------------------------------
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PS0Init ldx #S.DEV*2 NUL,SYS
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.1 lda DevMgr.NUL-1,x
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sta DevMgr.Table-1,x
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dex
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bne .1
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lda #2
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sta DevMgr.Count
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>LDYAI TskMgr.Table 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 DEV.SYS
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>SYSCALL MkNodYA
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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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ldy #S.PS.hStdOut
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sta (pPs),y
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ldy #S.PS.hStdErr
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sta (pPs),y
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clc
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.9 rts
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*--------------------------------------
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DevMgr.NUL cld
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jmp (DevMgr.NUL.Code,x)
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.DA #S.DEV.S.WRITE+S.DEV.S.READ+S.DEV.S.OPENED
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.BS 6
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>PSTR "NUL" NAME
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.HS 00 NAME must Be 4 bytes long
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*--------------------------------------
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DevMgr.SYS cld
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jmp (DevMgr.SYS.Code,x)
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.DA #S.DEV.S.WRITE+S.DEV.S.READ
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.BS 6
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>PSTR "SYS" NAME
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.HS 00 NAME must Be 4 bytes long
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*--------------------------------------
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* Setup AuxLC $FFFE->Kernel IRQ Handler
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* if irq not handled, jmp (S.IrqMgrOldFFFE)
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*--------------------------------------
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SETMOUSE .EQ $12 Sets mouse mode
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SERVEMOUSE .EQ $13 Services mouse interrupt
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READMOUSE .EQ $14 Reads mouse position
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*--------------------------------------
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IrqMgrInit php
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sei
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>LDYA $FFFE
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>STYA K.IrqMgrOldFFFE
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>LDYAI K.IrqHandlerAuxLC
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>STYA $FFFE
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>LDYAI IrqHandler
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>STYA K.MLI.PARAMS+2
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>MLICALL MLIALLOCIRQ
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bcs .9
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lda K.MLI.PARAMS+1
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sta ProDOS.INTNUM
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stz ZPPtr1 Try finding a Mouse Card...
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lda #$C1
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sta ZPPtr1+1
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.1 ldx #DEVSIG.Value-DEVSIG.Offset-1
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.2 ldy DEVSIG.Offset,x
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lda (ZPPtr1),y
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cmp DEVSIG.Value,x
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bne .3
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dex
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bpl .2
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bra .4
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.3 inc ZPPtr1+1 no match, try next slot....
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lda ZPPtr1+1
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cmp #$C8
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bne .1
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plp
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clc
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rts
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.9 plp
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sec
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rts
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.4 lda ZPPtr1+1
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sta GOMOUSE.JMP+2 DEVSLOTCn
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sta K.IrqMgrVBL.MSM+2
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sta K.IrqMgrVBL.MRM+2
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and #$0f
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sta K.IrqMgrVBL.0n
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asl
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asl
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asl
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asl
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sta GOMOUSE.n0+1
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sta K.IrqMgrVBL.n0
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ldy #SERVEMOUSE
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lda (ZPPtr1),y
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sta K.IrqMgrVBL.MSM+1
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ldy #READMOUSE
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lda (ZPPtr1),y
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sta K.IrqMgrVBL.MRM+1
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bit RROMBNK2 Renable ROM to allow MOUSE II firmware works properly
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ldx K.IrqMgrVBL.0n
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lda $7F8,x
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and #$0F
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ora #9
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ldy #SETMOUSE
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jsr GOMOUSE
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bcs *
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bit RRAMWRAMBNK1 Back To LC Ram
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bit RRAMWRAMBNK1
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inc K.IrkMgr.VBL set=1 awaiting IrqMgr confirmation
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plp
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clc
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rts
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*--------------------------------------
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GOMOUSE pha
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stz ZPPtr1
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ldx GOMOUSE.JMP+2 DEVSLOTCn
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stx ZPPtr1+1
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lda (ZPPtr1),y
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sta GOMOUSE.JMP+1
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GOMOUSE.n0 ldy #$ff
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pla
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GOMOUSE.JMP jmp $ffff Self Modified
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*--------------------------------------
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DEVSIG.Offset .HS 05070B0CFB
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DEVSIG.Value .HS 38180120D6
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*--------------------------------------
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DevMgrInit stz ZPPtr1
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lda #$C1
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sta ZPPtr1+1
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lda #1
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sta DEV.HEADER+S.DEV.BUSID
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.1 lda #1
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sta DEV.HEADER+S.DEV.DEVID
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ldx #SmartPort.SIG-SmartPort.OFS-1
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.2 ldy SmartPort.OFS,x Check if there is a smartport firmware
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lda (ZPPtr1),y
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cmp SmartPort.SIG,x
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bne .8 not a Disk Controller...
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dex
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bpl .2
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ldy #$ff
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lda (ZPPtr1),y
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bne .3 $0, Disk II, 16sect
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jsr DevMgrInit.DII
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ldy #A2osX.SLOTS.DII
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bra .7
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.3 inc
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beq .7 $ff, Disk II 13 Sect, ignore
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ldy #7
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lda (ZPPtr1),y
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bne .4 $Cn07=00 : SmartPort
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jsr DevMgrInit.SP
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ldy #A2osX.SLOTS.SP
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bra .7
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.4 jsr DevMgrInit.BLK
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ldy #A2osX.SLOTS.BLK
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.7 lda ZPPtr1+1
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and #$0f
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tax
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tya
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sta A2osX.SLOTS,x
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.8 inc DEV.HEADER+S.DEV.BUSID
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inc ZPPtr1+1
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lda ZPPtr1+1
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cmp #$C8
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bne .1
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clc
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rts
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*--------------------------------------
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DevMgrInit.DII >LDYAI A2osX.DIIDrv
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>STYA DEV.HEADER+S.DEV.DRV.JMP
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jsr DevMgrInit.AddDev
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inc DEV.HEADER+S.DEV.DEVID
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jsr DevMgrInit.AddDev
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rts
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*--------------------------------------
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DevMgrInit.BLK ldy #$ff
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lda (ZPPtr1),y
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sta DEV.HEADER+S.DEV.ROM.JMP
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lda ZPPtr1+1
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sta DEV.HEADER+S.DEV.ROM.JMP+1
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>LDYAI A2osX.BlkDrv
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>STYA DEV.HEADER+S.DEV.DRV.JMP
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jsr DevMgrInit.AddDev
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inc DEV.HEADER+S.DEV.DEVID
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jsr DevMgrInit.AddDev
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rts
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*--------------------------------------
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DevMgrInit.SP ldy #$ff
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lda (ZPPtr1),y
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clc
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adc #3 Compute smartport entry point
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sta .1+1
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sta .3+1
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sta DEV.HEADER+S.DEV.ROM.JMP
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lda ZPPtr1+1
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sta .1+2
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sta .3+2
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sta DEV.HEADER+S.DEV.ROM.JMP+1
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>LDYAI A2osX.PrtDrv
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>STYA DEV.HEADER+S.DEV.DRV.JMP
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.1 jsr $ffff Self Modified
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.DA #0 Status
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.DA SP.CTRL.STATUS
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bcs .9
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lda SP.CTRL.STATUS.DATA
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beq .9 no device
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.2 lda #1
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sta SP.DEV.STATUS.DEVID
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.3 jsr $ffff Self Modified
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.DA #0 Status
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.DA SP.DEV.STATUS
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bcs .7
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lda SP.DEV.STATUS.DATA+S.DEVSTAT.S
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sta DEV.HEADER+S.DEV.S
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jsr DevMgrInit.AddDev
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.7 inc SP.DEV.STATUS.DEVID
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inc DEV.HEADER+S.DEV.DEVID
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dec SP.CTRL.STATUS.DATA
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bne .3
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.9 rts
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*--------------------------------------
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DevMgrInit.AddDev
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lda DevMgr.Count
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cmp #K.DEV.MAX
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beq .9
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inc DevMgr.Count
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>SYSCALL GetDevByIDA
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>STYA ZPPtr2
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lda DEV.HEADER+S.DEV.BUSID
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ora #$30
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sta DEV.HEADER+S.DEV.NAME+2 SnDy
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lda DEV.HEADER+S.DEV.DEVID
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ora #$30
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sta DEV.HEADER+S.DEV.NAME+4 SxDn
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ldy #S.DEV-1
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.1 lda DEV.HEADER,y
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sta (ZPPtr2),y
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dey
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bpl .1
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clc
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rts
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.9 lda #DEVMGR.ERROOH
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sec
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rts
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*--------------------------------------
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DEV.HEADER clc
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jmp ($ffff,x)
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.DA #S.DEV.S.BLOCK S
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.BS 1 F
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.BS 1 BUS.ID
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.BS 1 DEV.ID
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.BS 2 ROM.JMP
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.BS 1
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>PSTR "S1D1" 5 bytes
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*--------------------------------------
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SmartPort.OFS .HS 010305
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SmartPort.SIG .HS 200003
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*--------------------------------------
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SP.CTRL.STATUS .DA #3
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.DA #0
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.DA SP.CTRL.STATUS.DATA
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.DA #0
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SP.CTRL.STATUS.DATA
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.BS 8 DevCnt
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SP.DEV.STATUS .DA #3
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SP.DEV.STATUS.DEVID
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.BS 1
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.DA SP.DEV.STATUS.DATA
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.DA #3 return DIB
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SP.DEV.STATUS.DATA
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.BS S.DEVSTAT
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*--------------------------------------
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EvtMgrInit lda #$A5
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sta A2osX.TIMER16
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lda #$9B
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sta A2osX.TIMER16+1
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lda /EvtMgr.Table
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sta pEvent+1
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clc
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rts
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*--------------------------------------
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FltMgrInit stz FltMgr.Table
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clc
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rts
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*--------------------------------------
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TskMgrInit >LDYAI TskMgr.Table+S.PS Clear whole process table except PS0
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>STYA .2+1
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ldx #K.PS.MAX-1
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.1 lda #0
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ldy #S.PS-1
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.2 sta $ffff,y Self Modified
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dey
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bpl .2
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lda .2+1
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clc
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adc #S.PS
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sta .2+1
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bcc .3
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inc .2+2
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.3 dex
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bne .1
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>PUSHWI K.ENV.SIZE get a buffer for ENV
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>PUSHBI S.MEM.F.INIT0 make sure blank
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>SYSCALL GetMem create it...
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bcs .9
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txa
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ldy #S.PS.hENV
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sta (pPs),y
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>LDYAI UsrBuf256
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>STYA K.MLI.PARAMS+1
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>MLICALL MLIGETPREFIX
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bcs .9
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>LDYAI UsrBuf256
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>SYSCALL NewPStrYA
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bcs .9
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txa
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ldy #S.PS.hPREFIX
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sta (pPs),y
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>PUSHWI UsrBuf256 push ENV value
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>PUSHWI I.ENV.A2osX push ENV name
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>SYSCALL SetEnv
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bcs .9
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>LDYAI I.ENV.PATH
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>SYSCALL PutEnvYA
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bcs .9
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>LDYAI I.ENV.LIB
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>SYSCALL PutEnvYA
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bcs .9
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>LDYAI I.ENV.DRV
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>SYSCALL PutEnvYA
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.9 rts
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*--------------------------------------
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DEV.SYS >PSTR "SYS"
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I.ENV.A2osX >PSTR "A2OSX"
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I.ENV.PATH >PSTR "PATH=${A2OSX}SBIN/;${A2OSX}BIN/"
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I.ENV.LIB >PSTR "LIB=${A2OSX}LIB/"
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I.ENV.DRV >PSTR "DRV=${A2OSX}DRV/"
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STARTUP.CMDLINE >PSTR "${A2OSX}SBIN/SHELL ${A2OSX}A2osX.STARTUP"
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*--------------------------------------
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MSG.Init3 >CSTR "A2osX[Stage3]:Init\r\n"
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MSG.DEV >CSTR "-Device Manager...\r\n"
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MSG.IRQ >CSTR "-Interrupt Manager...\r\n"
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MSG.EVT >CSTR "-Event Manager...\r\n"
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MSG.FLT >CSTR "-Path Filter...\r\n"
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MSG.TSK >CSTR "-Task Manager...\r\n"
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MSG.Prefix >CSTR "Prefix:%S\r\n"
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MSG.Startup >CSTR "Executing Kernel Startup Script...\r\nCmd:%S\r\n"
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MSG.StartupErr >CSTR "Failed : [$%h]\r\n"
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MSG.Init3.OK >CSTR "A2osX[Stage3]:Complete.\r\n"
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*--------------------------------------
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MAN
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SAVE /A2OSX.SRC/SYS/KERNEL.S.INIT3
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LOAD /A2OSX.SRC/SYS/KERNEL.S
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ASM
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