A2osX/SYS/KERNEL.S.INIT3.txt

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PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
.LIST OFF
*--------------------------------------
Kernel.Init3 jsr K.DevMgrInit
bcs *
lda #1 SYS device
>SYSCALL GetDevByIDA
>STYA pDev
ldx #DEVMGR.OPEN
jsr pDevJmp
ldx #DEVMGR.SELECT
jsr pDevJmp
lda #2
sta A2osX.ASCREEN
>LDYAI MSG.Init3
>SYSCALL PrintFYA
>LDYAI MSG.IRQ
>SYSCALL PrintFYA
jsr K.IrqMgrInit
bcs *
>LDYAI MSG.MEM
>SYSCALL PrintFYA
jsr K.MemMgrInit
bcs *
>LDYAI MSG.EVT
>SYSCALL PrintFYA
jsr K.EvtMgrInit
bcs *
>LDYAI MSG.FLT
>SYSCALL PrintFYA
jsr K.FltMgrInit
bcs *
>LDYAI MSG.TSK
>SYSCALL PrintFYA
jsr K.TskMgrInit
bcs *
ldy #S.PS.hPREFIX
lda (pPs),y
>SYSCALL GetMemPtrA
>PUSHYA
>LDYAI MSG.Prefix
>SYSCALL PrintFYA
>PUSHWI STARTUP.CMDLINE
>LDYAI MSG.Startup
>SYSCALL PrintFYA
>LDYAI STARTUP.CMDLINE
>SYSCALL ExpandPStrYA
phx Save Expanded CMDLINE for discard
>SYSCALL CreateProcessYA
bcs .9
pla
>SYSCALL FreeMemA ...discard...
>LDYAI MSG.Init3.OK
>SYSCALL PrintFYA
>LDYAI TskMgr.Table
>STYA pPs
>DEBUGOA
bit RRAMWRAMBNK2
bit RRAMWRAMBNK2
jmp K.KernelRun
.9 >PUSHA
>LDYAI MSG.StartupErr
>SYSCALL PrintFYA
bra * No need to discard Expanded CMDLINE
*--------------------------------------
* K.DevMgrInit
*--------------------------------------
K.DevMgrInit ldx #S.DEV*DevMgr.Count
.1 lda DevMgr.NUL-1,x
sta DevMgr.Table-1,x
dex
bne .1
stz DevMgr.Table+S.DEV*DevMgr.Count
* >LDYAI DevMgr.LoMem Hard Coded
* >STYA DevMgr.Free
* lda #DevMgr.Count-1
* sta DevMgr.LastDevID
clc
rts
*--------------------------------------
DevMgr.NUL cld
jmp (DevMgr.NUL.Code,x)
.DA #0 DevID=0
.DA #S.DEV.F.INUSE+S.DEV.F.SHARE+S.DEV.F.COUT+S.DEV.F.CHAR
>PSTR "NUL" NAME
.HS 00 NAME must Be 5 bytes long
.HS 00
.HS 00.00.00.00
*--------------------------------------
DevMgr.SYS cld
jmp (DevMgr.SYS.Code,x)
.DA #1 DevID=1
.DA #S.DEV.F.INUSE+S.DEV.F.EVENT+S.DEV.F.SHARE+S.DEV.F.COUT+S.DEV.F.CHAR
>PSTR "SYS" NAME
.HS 00 NAME must Be 5 bytes long
.HS 00
.HS 00.00.00.00
*--------------------------------------
* Setup MainLC ($3FE)
*
*
* Setup AuxLC $FFFE->Kernel IRQ Handler
* if irq not handled, jmp (S.IrqMgrOldFFFE)
*--------------------------------------
K.IrqMgrInit php
sei
>LDYA $FFFE
cpy #K.IrqHandlerAuxLC
bne .1
cmp /K.IrqHandlerAuxLC
beq .2
.1 >STYA K.IrqMgrOldFFFE
>LDYAI K.IrqHandlerAuxLC
>STYA $FFFE
.2
* >LDYAI $BE0C
* >STYA $3F0
plp
clc
rts
*--------------------------------------
K.MemMgrInit >LDYAI MemMgr.MHiMem
>STYA MemMgr.HiMem
>STYA MemMgr.Free
>LDYAI MemMgr.MLoMem
>STYA MemMgr.LoMem
stz MemMgr.LastSlot Reserve Slot #0
sta SETWRITEAUX
>LDYAI MemMgr.XHiMem
>STYA MemMgr.HiMem
>STYA MemMgr.Free
>LDYAI MemMgr.XLoMem
>STYA MemMgr.LoMem
stz MemMgr.LastSlot Reserve Slot #0
sta CLRWRITEAUX
clc
rts
*--------------------------------------
* K.EvtMgrInit
*--------------------------------------
K.EvtMgrInit
* lda #10
* sta EVTMGR.10TH.CNT WARNING!!!! WRONG BANK!!!
* lda A2osX.HZ
* sta EVTMGR.HZ.CNT
lda MACHID
and #MACHID.TYPE
cmp #MACHID.TYPE.IIc
bne .8
* sta CLRIOUDIS
* sta ENBVBLIIC
.8 lda /EvtMgr.Table
sta pEvent+1
clc
rts
*--------------------------------------
* K.FltMgrInit
*--------------------------------------
K.FltMgrInit stz FltMgr.Table
clc
rts
*--------------------------------------
* K.TskMgrInit
*--------------------------------------
K.TskMgrInit stz TSKMGR.LASTID
lda #1
sta TSKMGR.SIZE One Slot Busy (Kernel PS=0)
>LDYAI TskMgr.Table Clear whole process table
>STYA pPs
ldx #K.PS.MAX
.1 lda #0
ldy #S.PS-1
.2 sta (pPs),y
dey
bpl .2
lda pPs
clc
adc #S.PS
sta pPs
bcc .3
inc pPs+1
.3 dex
bne .1
>LDYAI TskMgr.Table Select Process 0 (Kernel)
>STYA pPs
lda #1
ldy #S.PS.hINDEV
sta (pPs),y Make In DEV = SYS
ldy #S.PS.hOUTDEV
sta (pPs),y Make OUT DEV = SYS
ldy #S.PS.hERRDEV
sta (pPs),y Make ERR DEV = SYS
>PUSHWI K.ENV.SIZE get a buffer for ENV
>PUSHBI S.MEM.F.INIT0 make sure blank
>SYSCALL GetMem create it...
bcs .9
txa
ldy #S.PS.hENV
sta (pPs),y
>LDYAI UsrBuf256
>STYA MLICALL.PARAMS+1
>MLICALL MLIGETPREFIX
bcs .9
>LDYAI UsrBuf256
>SYSCALL NewPStrYA
bcs .9
txa
ldy #S.PS.hPREFIX
sta (pPs),y
>PUSHWI UsrBuf256 push ENV value
>PUSHWI I.ENV.A2osX push ENV name
>SYSCALL SetEnv
bcs .9
>LDYAI I.ENV.PATH
>SYSCALL PutEnvYA
bcs .9
>LDYAI I.ENV.LIB
>SYSCALL PutEnvYA
bcs .9
>LDYAI I.ENV.DRV
>SYSCALL PutEnvYA
.9 rts
*--------------------------------------
I.ENV.A2osX >PSTR "A2OSX"
I.ENV.PATH >PSTR "PATH=${A2OSX}SBIN/;${A2OSX}BIN/"
I.ENV.LIB >PSTR "LIB=${A2OSX}LIB/"
I.ENV.DRV >PSTR "DRV=${A2OSX}DRV/"
STARTUP.CMDLINE >PSTR "${A2OSX}SBIN/SHELL ${A2OSX}A2osX.STARTUP"
*--------------------------------------
MSG.Init3 >CSTR "A2osX[Stage3]:Init\n"
MSG.IRQ >CSTR " - Interrupt Manager...\n"
MSG.MEM >CSTR " - Memory Manager...\n"
MSG.EVT >CSTR " - Event Manager...\n"
MSG.FLT >CSTR " - Path Filter...\n"
MSG.TSK >CSTR " - Task Manager...\n"
MSG.Prefix >CSTR "Prefix:%S\n"
MSG.Startup >CSTR "Executing Kernel Startup Script...\nCmd:%S\n"
MSG.StartupErr >CSTR "Failed : [$%h]\n"
MSG.Init3.OK >CSTR "A2osX[Stage3]:Complete.\n"
*--------------------------------------
MAN
SAVE SYS/KERNEL.S.INIT3
LOAD SYS/KERNEL.S
ASM