mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-04 03:05:43 +00:00
509 lines
11 KiB
Plaintext
509 lines
11 KiB
Plaintext
PR#3
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PREFIX /A2OSX.SRC
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LOMEM $C00
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INC 1
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AUTO 6
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF /A2OSX.BOOT/DRV/LANCEGS.DRV
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*--------------------------------------
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.INB INC/MACROS.I
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.INB INC/A2OSX.I
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.INB INC/LIBTCPIP.I
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*--------------------------------------
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ZPTmpPTR .EQ ZPDRV
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*--------------------------------------
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DEVID .EQ $33
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*--------------------------------------
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* SMSC L91C96 IO Registers
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*--------------------------------------
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L91C96.0.TCR .EQ $C080
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L91C96.0.TCR.FDSE .EQ %10000000.00000000
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L91C96.0.TCR.FUDPLX .EQ %00001000.00000000
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L91C96.0.TCR.PADEN .EQ %00000000.10000000
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L91C96.0.TCR.TXENA .EQ %00000000.00000001
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L91C96.0.EPHSR .EQ $C082
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L91C96.0.EPHSR.LINK .EQ %01000000.00000000
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L91C96.0.RCR .EQ $C084
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L91C96.0.RCR.RESET .EQ %10000000.00000000
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L91C96.0.RCR.NOCRC .EQ %00000010.00000000
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L91C96.0.RCR.RXENA .EQ %00000001.00000000
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L91C96.0.RCR.ALLMUL .EQ %00000000.00000100
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L91C96.0.RCR.PRMS .EQ %00000000.00000010
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L91C96.0.RCR.RXABRT .EQ %00000000.00000001
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L91C96.0.ECR .EQ $C086
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L91C96.0.MIR .EQ $C088
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L91C96.0.MCR .EQ $C08A
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L91C96.1.CR .EQ $C080
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L91C96.1.CR.NOWAIT .EQ %00010000.00000000
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L91C96.1.BAR .EQ $C082
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L91C96.1.IAR .EQ $C084
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L91C96.1.GPR .EQ $C08A
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L91C96.1.CTR .EQ $C08C
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L91C96.1.CTR.DEFAULT .EQ %00000000.00000001
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L91C96.1.CTR.AUTOREL .EQ %00000000.00001000
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L91C96.2.MMUCR .EQ $C080
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L91C96.2.MMUCR.ALLOC .EQ %00100000
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L91C96.2.MMUCR.RESET .EQ %01000000
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L91C96.2.MMUCR.REMREL .EQ %10000000
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L91C96.2.MMUCR.NQPKT .EQ %11000000
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L91C96.2.PNR .EQ $C082
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L91C96.2.AAR .EQ $C083
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L91C96.2.FIFO .EQ $C084
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L91C96.2.PTR .EQ $C086
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L91C96.2.PTR.RCVD .EQ %10000000.00000000
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L91C96.2.PTR.AUTOI .EQ %01000000.00000000
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L91C96.2.PTR.READ .EQ %00100000.00000000
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L91C96.2.DATA .EQ $C088
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L91C96.2.IST .EQ $C08C
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L91C96.2.IST.ALLOC .EQ %00001000
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L91C96.2.IST.RCV .EQ %00000001
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L91C96.2.ACK .EQ $C08C
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L91C96.2.MSK .EQ $C08D
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L91C96.3.MT .EQ $C080
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L91C96.3.MGMT .EQ $C088
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L91C96.3.REV .EQ $C08A
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L91C96.3.RCV .EQ $C08C
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L91C96.BSR .EQ $C08E
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*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
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CS.START cld
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jmp Dev.Detect cld,jmp abs=DRV
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.DA #$61 6502,Level 1 (65c02)
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.DA #1 DRV Layout Version 1
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.DA 0
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.DA CS.END-CS.START Code Length
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.DA DEV.HEADER-CS.START Device Header Offset
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.DA DRV.CS.START-CS.START Driver Code Offset
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.DA DRV.CS.END-DRV.CS.START Drv Code Length
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*--------------------------------------
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* Relocation Table
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*--------------------------------------
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L.MSG.DETECT .DA MSG.DETECT
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L.MSG.DETECT.OK .DA MSG.DETECT.OK
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L.MSG.DETECT.KO .DA MSG.DETECT.KO
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L.DEV.HEADER.NAME .DA DEV.HEADER.NAME
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.DA 0 End Of Reloc Table
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*--------------------------------------
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Dev.Detect sta hArgs
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>LDYA L.MSG.DETECT
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>SYSCALL SYS.PSTROutYA
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ldx #$10
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.1 lda L91C96.BSR+1,x
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cmp #DEVID
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beq .3
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inc DEV.HEADER.NAME+4
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txa
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clc
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adc #$10
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tax
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bpl .1 not yat at $80
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>LDYA L.MSG.DETECT.KO
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>SYSCALL SYS.PSTROutYA
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lda #DEVMGR.ERRNOHW Not Found in any slot, exiting
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sec
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rts
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.3 stx DEVSLOTx0
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lda hARGS
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beq .4
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sec
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ror USERMAC
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>SYSCALL SYS.GetMemPtrA
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>STYA ZPTmpPTR
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jsr DecodeMac
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bcc .4
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lda #DEVMGR.ERRICL
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sec
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rts
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.4 >LDYA L.MSG.DETECT.OK
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>SYSCALL SYS.PSTROutYA
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>LDYA L.DEV.HEADER.NAME
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>SYSCALL SYS.PSTROutYA
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lda #13
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>SYSCALL SYS.COutA
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clc
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rts
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*--------------------------------------
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.INB DRV/X.NET.DRV.S
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*--------------------------------------
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CS.END
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MSG.DETECT >PSTRING "LanCeGS/SMSC91C96 Driver.\n"
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MSG.DETECT.OK >PSTRING "LanCeGS/SMSC91C96 Installed As Device : "
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MSG.DETECT.KO >PSTRING "Hardware Not Found.\n"
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hArgs .BS 1
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*--------------------------------------
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* Device Header (16 Bytes)
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*--------------------------------------
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DEV.HEADER cld
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jmp (DRV.CS.START,x)
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.DA #S.DEV.F.SHARE+S.DEV.F.EVENT
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DEV.HEADER.NAME >PSTRING "ETH1" NAME
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.HS 00.00
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.HS 00.00.00.00
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*--------------------------------------
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* Driver Code
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*--------------------------------------
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DRV.CS.START .DA OPEN
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.DA GETEVENT
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.DA $FFFF no COUT
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.DA CLOSE
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.DA GETINFO
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.DA $FFFF no IRQ
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.DA SEND
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.DA $FFFF no SETIPCFG
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L.DEVINFO .DA DEVINFO
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.DA 0 end or relocation
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*--------------------------------------
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* input :
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* none
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* output :
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* CC on success
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* CS on error
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*--------------------------------------
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OPEN jsr Reset will select L91C96.0
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lda #L91C96.0.TCR.FDSE+L91C96.0.TCR.FUDPLX+L91C96.0.TCR.PADEN+L91C96.0.TCR.TXENA
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sta L91C96.0.TCR,x
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lda /L91C96.0.TCR.FDSE+L91C96.0.TCR.FUDPLX+L91C96.0.TCR.PADEN+L91C96.0.TCR.TXENA
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sta L91C96.0.TCR+1,x
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lda #L91C96.0.RCR.NOCRC+L91C96.0.RCR.RXENA+L91C96.0.RCR.ALLMUL
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sta L91C96.0.RCR,x
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lda /L91C96.0.RCR.NOCRC+L91C96.0.RCR.RXENA+L91C96.0.RCR.ALLMUL
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sta L91C96.0.RCR+1,x
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lda #1
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sta L91C96.BSR,x
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lda #L91C96.1.CR.NOWAIT
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sta L91C96.1.CR,x
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lda /L91C96.1.CR.NOWAIT
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sta L91C96.1.CR+1,x
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ldy #0
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bit USERMAC
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bmi .2
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.1 lda L91C96.1.IAR,x
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sta MAC,y
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inx
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iny
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cpy #6
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bne .1
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bra .3
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.2 lda MAC,y
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sta L91C96.1.IAR,x
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inx
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iny
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cpy #6
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bne .2
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.3 ldx DEVSLOTx0
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lda #L91C96.1.CTR.DEFAULT+L91C96.1.CTR.AUTOREL
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sta L91C96.1.CTR,x
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lda /L91C96.1.CTR.DEFAULT+L91C96.1.CTR.AUTOREL
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sta L91C96.1.CTR+1,x
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clc
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rts
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*--------------------------------------
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* input :
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* pEvent
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* output :
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* CC no event
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* CS event
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*--------------------------------------
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GETEVENT ldx DEVSLOTx0
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lda #2
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sta L91C96.BSR,x
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lda L91C96.2.IST,x
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and #L91C96.2.IST.RCV
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bne GETEVENT.RxOK
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lda #ERR.DEV.NOFRAME
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sec
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rts
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GETEVENT.RxOK lda #L91C96.2.PTR.RCVD+L91C96.2.PTR.AUTOI+L91C96.2.PTR.READ
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sta L91C96.2.PTR,x
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lda /L91C96.2.PTR.RCVD+L91C96.2.PTR.AUTOI+L91C96.2.PTR.READ
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sta L91C96.2.PTR+1,x
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lda L91C96.2.DATA,x Get Frame Status Word (lo)
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lda L91C96.2.DATA,x Get Frame Status Word (HI)
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asl #$60 = Broadcast?
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ldy #S.EVT.DATAHI
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sta (pEvent),y
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asl
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asl #$10 = odd?
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asl if odd, CS
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lda L91C96.2.DATA,x get lo byte count
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sbc #5 compute FRAMELEN
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sta FRAMELEN
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tay
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lda L91C96.2.DATA,x get hi byte count
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sbc #0
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sta FRAMELEN+1
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iny
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bne .1
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inc
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.1 iny
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bne .11
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inc
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.11 >PUSHYA FRAMLEN+2
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>PUSHBI 0
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>SYSCALL SYS.GetMem
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bcs .99
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>STYA ZPTmpPTR
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txa
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ldy #S.EVT.DATALO
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sta (pEvent),y
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lda #S.EVT.F.NET+S.EVT.F.hMEM1
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sta (pEvent)
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lda FRAMELEN
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sta (ZPTmpPTR)
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ldy #1
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lda FRAMELEN+1
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sta (ZPTmpPTR),y
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iny
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ldx DEVSLOTx0
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.2 jsr DecFrameLen
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beq .8
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lda L91C96.2.DATA,x
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sta (ZPTmpPTR),y
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iny
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bne .3
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inc ZPTmpPTR+1
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.3 jsr DecFrameLen
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beq .8
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lda L91C96.2.DATA,x
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sta (ZPTmpPTR),y
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iny
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bne .2
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inc ZPTmpPTR+1
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bra .2
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.8 lda #L91C96.2.MMUCR.REMREL
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sta L91C96.2.MMUCR,x
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clc
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rts
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.99 sec
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rts
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*--------------------------------------
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CLOSE jsr Reset
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clc
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rts
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*--------------------------------------
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* in:
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* out:
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* Y,A = BUFFER PTR
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* CC on success
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* CS on error
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*--------------------------------------
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GETINFO lda #S.DEVINFO.NET.STATUS.10
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sta LINK.STATUS
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ldx DEVSLOTx0
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stz L91C96.BSR,x
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lda L91C96.0.EPHSR,x
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lda L91C96.0.EPHSR+1,x
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and /L91C96.0.EPHSR.LINK
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beq .1
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lda LINK.STATUS
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ora #S.DEVINFO.NET.STATUS.OK
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sta LINK.STATUS
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.1 lda L91C96.0.TCR,x
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lda L91C96.0.TCR+1,x
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and /L91C96.0.TCR.FDSE
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bne .2
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lda LINK.STATUS
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ora #S.DEVINFO.NET.STATUS.FD
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sta LINK.STATUS
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.2 >LDYA L.DEVINFO
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clc
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rts
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*--------------------------------------
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* in:
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* PULLW = FRAME PTR
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* PULLW = FRAME LEN
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* out:
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* CC on success
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* CS on error
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*--------------------------------------
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SEND >PULLW ZPTmpPTR
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ldx DEVSLOTx0
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lda #2
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sta L91C96.BSR,x
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lda (ZPTmpPTR)
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sta FRAMELEN
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clc
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adc #6 3 WORDs more Status, len & Control
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bne .10
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clc LO byte is 0, no need for an extra empty page
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.10 ldy #1
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lda (ZPTmpPTR),y
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sta FRAMELEN+1
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adc #0
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.1 ora #L91C96.2.MMUCR.ALLOC
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sta L91C96.2.MMUCR,x
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ldy #0
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.2 lda L91C96.2.IST,x
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and #L91C96.2.IST.ALLOC
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bne .3
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dey
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bne .2
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lda #ERR.DEV.NOBUFFER
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sec
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rts
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.3 lda L91C96.2.AAR,x
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sta L91C96.2.PNR,x
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lda #L91C96.2.PTR.AUTOI
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sta L91C96.2.PTR,x
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lda /L91C96.2.PTR.AUTOI
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sta L91C96.2.PTR+1,x
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ldy #S.ETH.SRCMAC+5 Add Src MAC Address
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ldx #5
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.4 lda MAC,x
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sta (ZPTmpPTR),y
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dey
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dex
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bpl .4
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ldx DEVSLOTx0
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stz L91C96.2.DATA,x write fake status word
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stz L91C96.2.DATA,x
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lda FRAMELEN
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pha
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eor #$01
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lsr
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pla
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adc #$05 add 5 if odd, 6 if even
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sta L91C96.2.DATA,x
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lda FRAMELEN+1
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adc #$00
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sta L91C96.2.DATA,x
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ldy #2
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.5 jsr DecFrameLen
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beq .70
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lda (ZPTmpPTR),y
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iny
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bne .6
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inc ZPTmpPTR+1
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.6 pha
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jsr DecFrameLen
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beq .71
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pla
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sta L91C96.2.DATA,x
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lda (ZPTmpPTR),y
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sta L91C96.2.DATA,x
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iny
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bne .5
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inc ZPTmpPTR+1
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bra .5
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.70 lda #0
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sta L91C96.2.DATA,x
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sta L91C96.2.DATA,x
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bra .8
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.71 pla
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sta L91C96.2.DATA,x
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lda #%00100000 signal an extra (odd) byte
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sta L91C96.2.DATA,x
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.8 lda #L91C96.2.MMUCR.NQPKT
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sta L91C96.2.MMUCR,x
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clc
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rts
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.9 sec
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rts
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*--------------------------------------
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* PRIVATE
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*--------------------------------------
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Reset ldx DEVSLOTx0
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stz L91C96.BSR,x
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lda #L91C96.0.RCR.RESET
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sta L91C96.0.RCR,x
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lda /L91C96.0.RCR.RESET
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sta L91C96.0.RCR+1,x
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lda $C019 we can use VBL as we are not on //c
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.1 eor $C019
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bpl .1
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lda $C019
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.2 eor $C019
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bpl .2
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stz L91C96.0.RCR,x
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stz L91C96.0.RCR+1,x
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rts
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*--------------------------------------
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DecFrameLen lda FRAMELEN
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bne .1
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lda FRAMELEN+1
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beq .8
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dec FRAMELEN+1
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.1 dec FRAMELEN
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lda #1 Make something NZ
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.8 rts
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*--------------------------------------
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DRV.CS.END
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*--------------------------------------
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DEVSLOTx0 .BS 1
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USERMAC .BS 1
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FRAMELEN .BS 2
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*--------------------------------------
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DEVINFO .DA #S.DEVINFO.TYPE.NET
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DEVFLAGS .DA #0
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MAC .BS 6
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LINK.STATUS .BS 1 OK/DUPLEX/SPEED
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*--------------------------------------
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MAN
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SAVE DRV/LANCEGS.DRV.S
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ASM
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