mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-26 13:49:18 +00:00
407 lines
8.1 KiB
Plaintext
407 lines
8.1 KiB
Plaintext
PR#3
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PREFIX /A2OSX.SRC
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LOMEM $A00
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INC 1
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AUTO 6
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.LIST OFF
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*--------------------------------------
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Kernel.Init3 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.IRQ
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>SYSCALL CPrintFYA
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jsr IrqMgrInit
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bcs *
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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.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 .DA DevMgr.NUL.Code
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.DA #S.DEV.S.WRITE+S.DEV.S.READ+S.DEV.S.OPENED
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.DA #3
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.AS "NUL" NAME
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.HS 00 NAME must Be 4 bytes long
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*--------------------------------------
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DevMgr.SYS .DA DevMgr.SYS.Code
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.DA #S.DEV.S.WRITE+S.DEV.S.READ+3
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.DA #3
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.AS "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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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 $FFFE
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plp
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>LDYAI IrqHandler
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>STYA MLICALL.PARAMS+2
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>MLICALL MLIALLOCIRQ
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bcs .9
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lda MLICALL.PARAMS+1
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sta ProDOS.INTNUM
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.9 rts
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*--------------------------------------
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DevMgrInit stz ZPPtr1
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lda #$C1
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sta ZPPtr1+1
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lda #'1'
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sta SP.DEV+5 S1Dy
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.1 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 .3 not a smartport...
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dex
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bpl .2
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*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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* Disk II, or Block device ?
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.3 dex if x=0, only first SIG byte failed
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bpl .8
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ldy #$ff
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lda (ZPPtr1),y
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bne .4 $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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.4 inc
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beq .7 $ff, Disk II, 13sect, ignore
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dec
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* Block device
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jsr DevMgrInit.BLK
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ldy #A2osX.SLOTS.BLK
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.7 lda ZPPtr1+1
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and #$0f
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tax
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tya
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sta A2osX.SLOTS,x
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.8 inc SP.DEV+5
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inc ZPPtr1+1
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lda ZPPtr1+1
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cmp #$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.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 SP.DEV+S.DEV.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 SP.DEV+S.DEV.JMP+1
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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.STATUS1
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beq .9 no device
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.2 lda #1
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sta SP.DEV.STATUS+1
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lda #'1'
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sta SP.DEV+7 SxD1
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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.STATUS2+S.DEVSTAT.S
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sta SP.DEV+S.DEV.S
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.7 inc SP.DEV+7
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dec SP.STATUS1
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bne .3
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.9 rts
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*--------------------------------------
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DevMgrInit.DII
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rts
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*--------------------------------------
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DevMgrInit.BLK
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rts
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*--------------------------------------
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DevMgrInit.AddDev
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lda DevMgr.Count
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inc DevMgr.Count
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jsr K.GetDevByIDA
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>STYA ZPPtr1
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rts
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*--------------------------------------
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SmartPort.OFS .HS 07010305
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SmartPort.SIG .HS 00200003
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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.STATUS1
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.DA #0 return S only
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SP.DEV.STATUS .DA #3
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.BS 1
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.DA SP.STATUS2
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.DA #3 return DIB
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SP.STATUS1 .BS 4
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SP.STATUS2 .BS S.DEVSTAT
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*--------------------------------------
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SP.DEV .BS 2 JMP
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.BS 1 S
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>PSTR "S1D1" 5 bytes
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*--------------------------------------
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SP.DRV cld
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ldy #7
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lda (pDev),y
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and #$f
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sta PRTCALL.PARAMS+1 dev
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SP.DRV.lo ldy #$ff
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SP.DRV.hi lda #$ff
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jmp A2osX.PRTCALL
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*--------------------------------------
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BLK.DRV
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*--------------------------------------
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EvtMgrInit
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* lda #10
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* sta EVTMGR.10TH.CNT WARNING!!!! WRONG BANK!!!
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* lda A2osX.HZ
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* sta EVTMGR.HZ.CNT
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lda MACHID
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and #MACHID.TYPE
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cmp #MACHID.TYPE.IIc
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bne .8
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* sta CLRIOUDIS
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* sta ENBVBLIIC
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.8 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 MLICALL.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 ${A2OSX}A2osX.STARTUP"
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*--------------------------------------
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MSG.Init3 >CSTR "A2osX[Stage3]:Init\n"
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MSG.IRQ >CSTR "-Interrupt Manager...\n"
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MSG.DEV >CSTR "-Device Manager...\n"
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MSG.EVT >CSTR "-Event Manager...\n"
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MSG.FLT >CSTR "-Path Filter...\n"
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MSG.TSK >CSTR "-Task Manager...\n"
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MSG.Prefix >CSTR "Prefix:%S\n"
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MSG.Startup >CSTR "Executing Kernel Startup Script...\nCmd:%S\n"
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MSG.StartupErr >CSTR "Failed : [$%h]\n"
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MSG.Init3.OK >CSTR "A2osX[Stage3]:Complete.\n"
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*--------------------------------------
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MAN
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SAVE SYS/KERNEL.S.INIT3
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LOAD SYS/KERNEL.S
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ASM
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