A2osX/SHARED/X.UDETH.DRV.S.txt
2023-10-18 07:41:12 +02:00

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NEW
AUTO 3,1
.OP 65C02
.OR $2000
*--------------------------------------
.DO UDETHDMA=1
.TF drv/udeth.d.drv
.ELSE
.TF drv/udeth.drv
.FIN
*--------------------------------------
UD.ROM.SignOfs .EQ $EC "UltimateDrive"
UD.ROM.VerOfs .EQ $F9 MAX/MIN
UD.IO.Exec .EQ $C080 Write
UD.IO.Status .EQ $C081 Read
UD.IO.Cmd .EQ $C082 Write
UD.IO.Cmd.NetOpen .EQ $70
UD.IO.Cmd.NetClose .EQ $71
UD.IO.Cmd.NetSend .EQ $72
UD.IO.Cmd.NetRcvd .EQ $73
UD.IO.Cmd.NetPeek .EQ $74
UD.IO.Cmd.NetStatus .EQ $75
UD.IO.Cmd.NetSDMA .EQ $76 Send Frame Via DMA
UD.IO.Cmd.NetRDMA .EQ $77 Read Frame via DMA
UD.IO.UnitNum .EQ $C083 Write
UD.IO.MemPtrL .EQ $C084
UD.IO.MemPtrH .EQ $C085
UD.IO.BlockNum .EQ $C086 Write 4 bytes, BE
UD.IO.RData .EQ $C087 Read
UD.IO.WData .EQ $C088 Write
UD.IO.DoDMA .EQ $C089 Write
UD.IO.Mode .EQ $C08D Read NZ = DMA, Write b7
*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
ZPPtr1 .BS 2
ZPArgPtr .BS 2
DEVSLOT0x .BS 1
ZS.END .ED
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp Dev.Detect cld,jmp abs=DRV
.DA #$61 6502,Level 1 (65c02)
.DA #1 DRV Layout Version 1
.DA 0
.DA CS.END-CS.START Code Length
.DA 0
.DA 0
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
L.MSG.DETECT .DA MSG.DETECT
L.MSG.DETECT.OK .DA MSG.DETECT.OK
L.MSG.DETECT.KO .DA MSG.DETECT.KO
L.DRV.CS.START .DA DRV.CS.START
L.FD.DEV .DA FD.DEV
L.FD.DEV.NAME .DA FD.DEV.NAME
L.SSCANF.MAC .DA SSCANF.MAC
L.MAC0 .DA DCB+S.DCB.NIC.MAC
.DA DCB+S.DCB.NIC.MAC+1
.DA DCB+S.DCB.NIC.MAC+2
.DA DCB+S.DCB.NIC.MAC+3
.DA DCB+S.DCB.NIC.MAC+4
.DA DCB+S.DCB.NIC.MAC+5
.DA 0 End Of Reloc Table
*--------------------------------------
Dev.Detect >STYA ZPArgPtr
>LDYA L.MSG.DETECT
>SYSCALL PutS
lda #UD.ROM.SignOfs
sta ZPPtr1
lda #$C7
.1 sta ZPPtr1+1
ldy #ROM.SIG.L-1
.10 lda (ZPPtr1),y
cmp ROM.SIG,y
bne .2
dey
bpl .10
lda ZPPtr1+1
and #$0F
sta DEVSLOT0x
asl
asl
asl
asl
sta DEVSLOTx0
bra .3
.2 dec FD.DEV.NAME+3
lda ZPPtr1+1
dec
cmp #$C0
bne .1
>LDYA L.MSG.DETECT.KO
>SYSCALL PutS
lda #MLI.E.NODEV
sec
.99 rts
*--------------------------------------
.3 ldy #UD.ROM.VerOfs
lda (ZPPtr1),y
sta DIB+S.DIB.VERSION+1
iny
lda (ZPPtr1),y
sta DIB+S.DIB.VERSION
jsr Dev.ParseArgs
bcs .99
.8 >PUSHW L.MSG.DETECT.OK
>PUSHW L.FD.DEV.NAME
>PUSHBI 2
>SYSCALL PrintF
>PUSHWI DRV.END
>PUSHWI DRV.CS.END-DRV.CS.START
>PUSHWI DRV.CS.START
>LDYA L.DRV.CS.START
>SYSCALL InsDrv
bcs .9
>STYA FD.DEV+S.FD.DEV.DRVPTR
>PUSHW L.FD.DEV
>PUSHW L.FD.DEV.NAME
>SYSCALL MKDev
bcs .9
ldx DEVSLOT0x
lda #A2osX.S.NIC
sta A2osX.S,x
* clc
.9 rts
*--------------------------------------
Dev.ParseArgs lda (ZPArgPtr)
bne .1
lda A2osX.RANDOM16
eor A2osX.TIMER16
sta DCB+S.DCB.NIC.MAC+3
eor A2osX.RANDOM16+1
sta DCB+S.DCB.NIC.MAC+4
eor A2osX.TIMER16+1
sta DCB+S.DCB.NIC.MAC+5
clc
rts
.1 >PUSHW ZPArgPtr
>PUSHW L.SSCANF.MAC
ldx #0
.2 >PUSHW L.MAC0,x
inx
inx
cpx #12
bne .2
>PUSHBI 12 6 x byte PTRs
>SYSCALL SScanF
bcc .8
lda #E.SYN
* sec
.8 rts
*--------------------------------------
CS.END
MSG.DETECT .CZ "Ultimate Drive ETH/W5500 Driver."
MSG.DETECT.OK .CZ "Ultimate Drive ETH/W5500 Installed As Device : %s\r\n"
MSG.DETECT.KO .CZ "Hardware Not Found."
SSCANF.MAC .CZ "%h:%h:%h:%h:%h:%h"
ROM.SIG .AS "UltimateDrive"
ROM.SIG.L .EQ *-ROM.SIG
*--------------------------------------
FD.DEV .DA #S.FD.T.CDEV
.DA #0 HANDLER
.DA #0 BUSID
.DA #0 DEVID
.DA 0 BUSPTR
.BS 2 DRVPTR
.DA 0 DCBPTR
.DA 0 BUFPTR
FD.DEV.NAME .AZ "eth7"
*--------------------------------------
* Driver Code
*--------------------------------------
* https://github.com/profdc9/ip65/blob/main/drivers/dan2d.s
*--------------------------------------
ZPIOCTL .EQ ZPDRV
ZPBufPtr .EQ ZPDRV+2
Counter .EQ ZPDRV+4
*--------------------------------------
DRV.CS.START cld
jmp (.1,x)
.1 .DA STATUS
.DA A2osX.BADCALL
.DA A2osX.BADCALL
.DA A2osX.BADCALL
.DA A2osX.BADCALL
.DA A2osX.BADCALL
.DA OPEN
.DA CLOSE
.DA READ
.DA WRITE
.DA 0 end or relocation
*--------------------------------------
STATUS >STYA ZPIOCTL
jsr IO.GetStatus
bcs STATUS.99
ldy #S.IOCTL.S
lda (ZPIOCTL),y
beq .1
cmp #S.IOCTL.S.GETDIB
bne STATUS.DCB
ldx #S.DIB-1
.HS 2C bit abs
.1 ldx #3
ldy #S.IOCTL.BUFPTR
lda (ZPIOCTL),y
sta .3+1
iny
lda (ZPIOCTL),y
sta .3+2
.2 lda DIB,x
.3 sta $ffff,x SELF MODIFIED
dex
bpl .2
clc
rts
STATUS.DCB cmp #S.IOCTL.S.GETDCB
bne STATUS.9
stz DCB+S.DCB.NIC.LINK
lda #S.DCB.NIC.LINK.OK
tsb DCB+S.DCB.NIC.LINK
lda #S.DCB.NIC.LINK.FD
tsb DCB+S.DCB.NIC.LINK
.1 ldy #S.IOCTL.BUFPTR
lda (ZPIOCTL),y
sta .3+1
iny
lda (ZPIOCTL),y
sta .3+2
ldx #S.DCB.NIC-1
.2 lda DCB,x
.3 sta $ffff,x SELF MODIFIED
dex
bpl .2
clc
rts
STATUS.9 lda #MLI.E.BADCTL
STATUS.99 sec
rts
*--------------------------------------
OPEN lda #S.DIB.S.OPENED
bit DIB+S.DIB.S
bne .9
jsr CLOSE
* ldx DEVSLOTx0 Done by CLOSE
lda #UD.IO.Cmd.NetOpen
jsr IO.ExecA
bcs .99
ldy #0
.1 lda UD.IO.RData,x
sta DCB+S.DCB.NIC.MAC,y
iny
cpy #6
bcc .1
lda #S.DIB.S.OPENED
tsb DIB+S.DIB.S
clc
rts
.9 lda #MLI.E.OPEN
sec
.99 rts
*--------------------------------------
CLOSE ldx DEVSLOTx0
lda #UD.IO.Cmd.NetClose
jsr IO.ExecA
bcs .9
lda #S.DIB.S.OPENED
trb DIB+S.DIB.S
* clc
.9 rts
*--------------------------------------
READ php
sei
>STYA ZPIOCTL
ldx DEVSLOTx0
lda #UD.IO.Cmd.NetPeek
jsr IO.ExecA
bcs READWRITE.99
lda UD.IO.RData,x
sta Counter
lda UD.IO.RData,x
sta Counter+1
ora Counter
beq READWRITE.9
>LDYA Counter
>SYSCALL2 GetMem
bcs READWRITE.99
>STYA ZPBufPtr
stx .8+1
phy
ldy #S.IOCTL.BUFPTR+1
sta (ZPIOCTL),y
dey
pla
sta (ZPIOCTL),y
ldx DEVSLOTx0
.DO UDETHDMA=0
lda #UD.IO.Cmd.NetRcvd
jsr IO.ExecA
bcs READWRITE.99
lda Counter
ldy #S.IOCTL.BYTECNT
sta (ZPIOCTL),y
eor #$ff
sta Counter
lda Counter+1
iny
sta (ZPIOCTL),y
eor #$ff
sta Counter+1
ldy #0
.1 inc Counter
bne .2
inc Counter+1
beq .8
.2 lda UD.IO.RData,x
sta (ZPBufPtr),y
iny
bne .1
inc ZPBufPtr+1
bra .1
.ELSE
lda UD.IO.Status,x
lda Counter
ldy #S.IOCTL.BYTECNT
sta (ZPIOCTL),y
lda Counter+1
iny
sta (ZPIOCTL),y
lda ZPBufPtr
sta UD.IO.MemPtrL,x
lda ZPBufPtr+1
sta UD.IO.MemPtrH,x
lda #UD.IO.Cmd.NetRDMA
jsr IO.ExecA
bcs READWRITE.99
lda UD.IO.DoDMA,x
.1 lda UD.IO.Status,x
bmi .1
lsr
bcs READWRITE.99
.FIN
.8 lda #$ff SELF MODIFIED
plp
clc
rts
*--------------------------------------
READWRITE.9 lda #E.NODATA
READWRITE.99 plp
sec
rts
*--------------------------------------
WRITE php
sei
>STYA ZPIOCTL
.DO UDETHDMA=0
ldx DEVSLOTx0
lda #UD.IO.Cmd.NetSend
sta UD.IO.Cmd,x
ldy #S.IOCTL.BYTECNT
lda (ZPIOCTL),y
sta UD.IO.WData,x
eor #$ff
sta Counter
iny
lda (ZPIOCTL),y
sta UD.IO.WData,x
eor #$ff
sta Counter+1
.FIN
ldy #S.IOCTL.BUFPTR
lda (ZPIOCTL),y
sta ZPBufPtr
iny
lda (ZPIOCTL),y
sta ZPBufPtr+1
ldy #S.ETH.SRCMAC+5
ldx #5
.10 lda DCB+S.DCB.NIC.MAC,x
sta (ZPBufPtr),y
dey
dex
bpl .10
ldx DEVSLOTx0
.DO UDETHDMA=0
ldy #0
.1 inc Counter
bne .2
inc Counter+1
beq .8
.2 lda (ZPBufPtr),y
sta UD.IO.WData,x
iny
bne .1
inc ZPBufPtr+1
bra .1
.8 jsr IO.Exec
bcs WRITE.99
.ELSE
lda UD.IO.Status,x
ldy #S.IOCTL.BYTECNT
lda (ZPIOCTL),y
sta UD.IO.WData,x
lda Counter+1
iny
lda (ZPIOCTL),y
sta UD.IO.WData,x
lda ZPBufPtr
sta UD.IO.MemPtrL,x
lda ZPBufPtr+1
sta UD.IO.MemPtrH,x
lda #UD.IO.Cmd.NetSDMA
jsr IO.ExecA
bcs READWRITE.99
lda UD.IO.DoDMA,x
.1 lda UD.IO.Status,x
bmi .1
lsr
bcs READWRITE.99
.FIN
plp
clc
rts
WRITE.99 lda #MLI.E.IO
plp
sec
rts
*--------------------------------------
IO.GetStatus stz DCB+S.DCB.NIC.LINK
lda #S.DCB.NIC.SPEED.10
sta DCB+S.DCB.NIC.SPEED
ldx DEVSLOTx0
lda #UD.IO.Cmd.NetStatus
jsr IO.ExecA
bcs .99
lda UD.IO.RData,x PHYCFGR
lsr CS if Link OK
ror DCB+S.DCB.NIC.LINK
lsr CS if 100mb
bcc .1
inc DCB+S.DCB.NIC.SPEED
.1 lsr CS if FD
bcc .2
lda #S.DCB.NIC.LINK.FD
tsb DCB+S.DCB.NIC.LINK
.2 lda UD.IO.RData,x VERSIONR
sta DIB+S.DIB.VERSION
clc
.99 rts
*--------------------------------------
IO.ExecA sta UD.IO.Cmd,x
IO.Exec stz UD.IO.UnitNum,x
lda UD.IO.Exec,x
.1 lda UD.IO.Status,x
bmi .1
lsr CS if error, A = ERROR CODE ?
rts
*--------------------------------------
DRV.CS.END
DEVSLOTx0 .BS 1
*--------------------------------------
DIB .DA #0
.DA #0,#0,#0 size
.PS "udeth/W5500 "
.DA #S.DIB.T.NIC
.BS 1 Subtype
.BS 2 Version
*--------------------------------------
DCB .DA #S.DCB.T.NIC
.BS 1 FLAGS
.BS 1 LINK
.BS 1 SPEED
.HS 000000000000 MAC
.BS 12 IP/MASK/GW
*--------------------------------------
DRV.END
MAN
SAVE usr/src/shared/x.udeth.drv.s
LOAD usr/src/drv/udeth.d.drv.s
ASM