mirror of
https://github.com/A2osX/A2osX.git
synced 2024-06-08 08:33:37 +00:00
Kernel 0.9.2
This commit is contained in:
Rémy GIBERT
parent
e040a2a11e
commit
556c800444
Binary file not shown.
Binary file not shown.
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@ -171,7 +171,8 @@ S.TCB.OUTFREE .EQ 14
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S.TCB.OUTTOSEND .EQ 16
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S.TCB.OUTUSED .EQ 18
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*
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S.TCB.INLASTSEQNUM .EQ 20 Rcvd:Last SEQ recieved from remote
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S.TCB.INLASTSEQNUM .EQ 20 Rcvd:Last SEQ received from remote
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S.TCB.OUTSEQNUM .EQ 24 Send:SEQ sent not yet ACKed (retransmit)
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S.TCB.OUTNEXTSEQ .EQ 28 Send:Next SEQ to send
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S.TCB.OUTACKNUM .EQ 32 Send:ACK to send to remote
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@ -56,12 +56,14 @@ ARP.Add >PULLW ZPPtrIP IP
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stz ARP.TmpCache+S.ARPCACHE.TTL+1
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ldy #3
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.1 lda (ZPPtrIP),y
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sta ARP.TmpCache+S.ARPCACHE.IP,y
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dey
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bpl .1
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ldy #5
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.2 lda (ZPPtrMAC),y
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sta ARP.TmpCache+S.ARPCACHE.MAC,y
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dey
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@ -76,6 +78,7 @@ ARP.ADD.I sta ARP.TmpCache
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jsr ARP.FIND.FREE
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.1 ldy #S.ARPCACHE-1
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.2 lda ARP.TmpCache,y
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sta (ZPCachePtr),y
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dey
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@ -84,13 +87,13 @@ ARP.ADD.I sta ARP.TmpCache
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clc
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rts
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*/--------------------------------------
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* # ARP.GetCAche
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* # ARP.GetCache
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* Return a Ptr to ARP Cache Table
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* **In:**
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* **Out:**
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* Y,A = PTR to ARP.CACHE
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*\--------------------------------------
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ARP.GetCAche >LDYA L.ARP.CACHE
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ARP.GetCache >LDYA L.ARP.CACHE
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clc
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rts
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*--------------------------------------
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@ -3,7 +3,7 @@ PREFIX /A2OSX.BUILD
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AUTO 4,1
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.LIST OFF
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*--------------------------------------
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* FRM.New
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* FRM.NewIP
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* In:
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* Y,A = DataLen
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* X = S.IP.PROTOCOL.xxx
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@ -177,7 +177,7 @@ FRM.SendIP ldx #3 Copy SRC.IP even if IP offload
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lda (ZPFrameOutPtr),y
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cmp #S.IP.PROTOCOL.TCP
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bne .3
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jsr TCP.ComputeChecksum
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jsr IP.ComputeTCPChecksum
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bra .5
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.3 cmp #S.IP.PROTOCOL.UDP
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@ -196,12 +196,12 @@ FRM.SendIP ldx #3 Copy SRC.IP even if IP offload
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dey
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sta (ZPFrameOutPtr),y
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jsr UDP.ComputeChecksum
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jsr IP.ComputeUDPChecksum
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bra .5
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.4 cmp #S.IP.PROTOCOL.ICMP
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bne .5
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jsr ICMP.ComputeChecksum
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jsr IP.ComputeICMPChecksum
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.5 lda DCB.NIC+S.DCB.NIC.FLAGS
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and #S.DCB.NIC.FLAGS.ARPOFFLOAD
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@ -217,7 +217,7 @@ FRM.SendIP ldx #3 Copy SRC.IP even if IP offload
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lda hFrameOut
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beq .9
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>SYSCALL FreeMem
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stz hFrameOut
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clc
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.9 rts
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*--------------------------------------
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@ -6,29 +6,18 @@ AUTO 4,1
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HST.GetByName >PULLW ZPPtrDNS
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>PULLW ZPPtrIP
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lda ZPPtrIP
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ldx #3
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.1 txa
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clc
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adc #3
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adc ZPPtrIP
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tay
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lda ZPPtrIP+1
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adc #0
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>PUSHYA @IP[3]
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>PUSHYA @IP[3][2][1][0]
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lda ZPPtrIP
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clc
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adc #2
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tay
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lda ZPPtrIP+1
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adc #0
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>PUSHYA @IP[2]
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>LDYA ZPPtrIP
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iny
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bne .1
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inc
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.1 >PUSHYA @IP[1]
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>PUSHW ZPPtrIP @IP[0]
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dex
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bpl .1
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>PUSHBI 8 4 PTRs on stack
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>PUSHW L.HST.SScanF
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@ -25,47 +25,24 @@ ICMP.IN.ECHOREQ ldy #S.IP.DST+3
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lda #S.ICMP.TYPE.ECHOREP
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sta (ZPFrameInPtr),y
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ldy #S.IP.SRC+3
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jsr ARP.AddFromFrameInPtr
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lda hFrameIn
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stz hFrameIn DO NOT DISCARD this frame,it is SOURCE frame!!!
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sta hFrameOut
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>LDYA ZPFrameInPtr
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>STYA ZPFrameOutPtr
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ldx #3
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.2 lda (ZPFrameInPtr),y
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sta ARP.TmpCache+S.ARPCACHE.IP,x
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dey
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dex
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bpl .2
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ldy #S.IP.DST+3
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ldx #3
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.3 lda ARP.TmpCache+S.ARPCACHE.IP,x
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sta (ZPFrameInPtr),y
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sta (ZPFrameOutPtr),y
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dey
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dex
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bpl .3
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ldy #S.ETH.SRCMAC+5
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ldx #5
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.4 lda (ZPFrameInPtr),y
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sta ARP.TmpCache+S.ARPCACHE.MAC,x
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dey
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dex
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bpl .4
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lda #K.ARP.TTL
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sta ARP.TmpCache+S.ARPCACHE.TTL
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lda /K.ARP.TTL
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sta ARP.TmpCache+S.ARPCACHE.TTL+1
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lda #S.ARPCACHE.STATUS.RESOLVED
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jsr ARP.ADD.I
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lda hFrameIn
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stz hFrameIn
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sta hFrameOut DO NOT DISCARD this frame,it is SOURCE frame!!!
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>LDYA ZPFrameInPtr
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>STYA ZPFrameOutPtr
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jmp FRM.SendIP
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ICMP.IN.EXIT lda hFrameIn
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@ -114,7 +91,7 @@ ICMP.IN.ECHOREP jsr IP.FillSKT.TemplateSrcDstIP
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lda hFrameIn
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jsr SKT.AddToQueueA
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bcs .9 Q full, discard...
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bcs ICMP.IN.EXIT Q full, discard...
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rts DO NOT Discard this queued frame
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@ -129,31 +106,7 @@ ICMP.IN.ECHOREP jsr IP.FillSKT.TemplateSrcDstIP
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cpx #K.SKTTABLE.SIZE
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bne .3
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.9 lda hFrameIn
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beq .99
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>SYSCALL FreeMem
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.99 clc
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rts
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*--------------------------------------
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ICMP.ComputeChecksum
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>PUSHW ZPFrameOutLen
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>PUSHWI S.ICMP.TYPE
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ldy #S.ICMP.CHECKSUM
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lda #0
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sta (ZPFrameOutPtr),y
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iny
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sta (ZPFrameOutPtr),y
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jsr IP.ComputeChecksum
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phy
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ldy #S.ICMP.CHECKSUM
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sta (ZPFrameOutPtr),y
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iny
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pla
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sta (ZPFrameOutPtr),y
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rts
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bra ICMP.IN.EXIT
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*--------------------------------------
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MAN
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SAVE /A2OSX.SRC/LIB/LIBTCPIP.S.ICMP
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@ -22,73 +22,162 @@ IP.IN ldy #S.IP.PROTOCOL
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>SYSCALL FreeMem
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rts
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*--------------------------------------
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* In:
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* PULLW = Start Offset
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* PULLW = End Offset
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* Out:
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* Y,A = CheckSum
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*--------------------------------------
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IP.ComputeChecksum
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>PULLA
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clc
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adc ZPFrameOutPtr
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sta ZPTmpPtr1
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>PULLA
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adc ZPFrameOutPtr+1
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sta ZPTmpPtr1+1
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>PULLA
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clc
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adc ZPFrameOutPtr
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sta TmpOffset
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>PULLA
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adc ZPFrameOutPtr+1
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sta TmpOffset+1
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IP.ComputeICMPChecksum
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stz IP.CHECKSUM
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stz IP.CHECKSUM+1
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stz IP.CHECKSUM+2
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stz IP.CHECKSUM+3
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lda ZPFrameOutLen
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sec
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sbc #S.ICMP.TYPE
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eor #$ff
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tax
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ldy #0
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lda ZPFrameOutLen+1
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sbc /S.ICMP.TYPE
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eor #$ff
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.1 clc
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ldy #S.ICMP.CHECKSUM
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jmp IP.ComputeChecksum
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*--------------------------------------
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IP.ComputeUDPChecksum
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ldy #S.UDP.LENGTH
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lda (ZPFrameOutPtr),y
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clc
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* adc /S.IP.PROTOCOL.UDP (all zero)
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sta IP.CHECKSUM
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iny
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lda (ZPTmpPtr1),y
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lda (ZPFrameOutPtr),y
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adc #S.IP.PROTOCOL.UDP
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sta IP.CHECKSUM+1
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jsr IP.AddSrcDstIPToChecksum
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lda ZPFrameOutLen
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sec
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sbc #S.IP
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eor #$ff
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tax
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lda ZPFrameOutLen+1
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sbc /S.IP
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eor #$ff
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ldy #S.UDP.CHECKSUM
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bra IP.ComputeChecksum
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*--------------------------------------
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IP.ComputeTCPChecksum
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lda ZPFrameOutLen
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sec
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sbc #S.IP
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sta ZPDataInLen
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lda ZPFrameOutLen+1
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sbc /S.IP
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sta ZPDataInLen+1
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clc
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* lda ZPDataInLen+1
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* adc /S.IP.PROTOCOL.TCP (all zero)
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sta IP.CHECKSUM
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lda ZPDataInLen
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adc #S.IP.PROTOCOL.TCP
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sta IP.CHECKSUM+1
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jsr IP.AddSrcDstIPToChecksum
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lda ZPDataInLen
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eor #$ff
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tax
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lda ZPDataInLen+1
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eor #$ff
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ldy #S.TCP.CHECKSUM
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*--------------------------------------
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* X,A = !ByteCount, Y = Offset in Frame
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*--------------------------------------
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IP.ComputeChecksum
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phy Save Offset
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pha Save !ByteCount.HI
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lda #0 Reset Checksum
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sta (ZPFrameOutPtr),y
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iny
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sta (ZPFrameOutPtr),y
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>LDYA ZPFrameOutPtr
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>STYA ZPTmpPtr1
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ldy #S.IP
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.1 inx
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bne .11
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pla
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inc
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beq .8
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pha
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.11 lda (ZPTmpPtr1),y
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adc IP.CHECKSUM
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sta IP.CHECKSUM
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iny
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bne .20
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inc ZPTmpPtr1+1
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dey
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lda (ZPTmpPtr1),y
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.20 inx
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bne .2
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pla
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inc
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beq .7
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pha
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.2 lda (ZPTmpPtr1),y
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adc IP.CHECKSUM+1
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sta IP.CHECKSUM+1
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bcc .3
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inc IP.CHECKSUM+2
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bne .3
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inc IP.CHECKSUM+3
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.3 lda ZPTmpPtr1
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clc
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adc #2
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sta ZPTmpPtr1
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bcc .4
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inc ZPTmpPtr1+1
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.4 cmp TmpOffset
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bne .1
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lda ZPTmpPtr1+1
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cmp TmpOffset+1
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iny
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bne .1
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inc ZPTmpPtr1+1
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bra .1
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.7 adc IP.CHECKSUM+1 A=0 from beq .7
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sta IP.CHECKSUM+1
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.8 ply
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lda IP.CHECKSUM
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clc
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adc IP.CHECKSUM+2
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adc #0 Don't forget to add last carry!!!
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eor #$FF
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tay
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sta (ZPFrameOutPtr),y
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iny
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lda IP.CHECKSUM+1
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adc IP.CHECKSUM+3
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adc #0 Don't forget to add last carry!!!
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eor #$FF
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sta (ZPFrameOutPtr),y
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rts
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*--------------------------------------
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IP.AddSrcDstIPToChecksum
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ldy #S.IP.SRC
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ldx #4 4 words for SRC & DST IP
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.1 lda (ZPFrameOutPtr),y
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adc IP.CHECKSUM
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sta IP.CHECKSUM
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iny
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lda (ZPFrameOutPtr),y
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adc IP.CHECKSUM+1
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sta IP.CHECKSUM+1
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iny
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dex
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bne .1
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rts
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*--------------------------------------
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IP.FillSKT.TemplateSrcDstIPP
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@ -179,11 +268,13 @@ IP.SetDestMAC ldy #S.IP.DST
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|||
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ldx #5
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ldy #S.ETH.DSTMAC+5
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.11 lda ARP.TmpCache+S.ARPCACHE.MAC,x
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||||
sta (ZPFrameOutPtr),y
|
||||
dey
|
||||
dex
|
||||
bpl .11
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||||
|
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clc
|
||||
.99 rts
|
||||
*--------------------------------------
|
||||
|
|
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|||
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@ -100,25 +100,14 @@ TCP.IN.JMP.LISTEN
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.2 lda #$ff
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sta ZPPtrSKT+1
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||||
|
||||
ldy #S.TCP.SEQNUM+3 Get Remote SEQ
|
||||
ldx #3
|
||||
|
||||
sec
|
||||
|
||||
.3 lda (ZPFrameInPtr),y Set OUTACK=SEQ+1 for new socket...
|
||||
adc #0
|
||||
sta SKT.TCBCache+S.TCB.INLASTSEQNUM,x
|
||||
sta SKT.TCBCache+S.TCB.OUTACKNUM,x
|
||||
dey
|
||||
dex
|
||||
bpl .3
|
||||
jsr TCP.IN.ACKTheSYN
|
||||
|
||||
jsr SKT.StoreTCB
|
||||
|
||||
jsr ARP.AddFromFrameInPtr
|
||||
|
||||
lda #S.TCP.OPTIONS.SYN+S.TCP.OPTIONS.ACK
|
||||
jsr TCP.OUT.SendOptA SYN recieved, Send SYN.ACK
|
||||
jsr TCP.OUT.SendOptA SYN received, Send SYN.ACK
|
||||
bcs .9
|
||||
|
||||
ldy #S.SOCKET.TCP.STATUS
|
||||
|
|
@ -156,18 +145,7 @@ TCP.IN.JMP.SYNSENT
|
|||
dex
|
||||
bpl .1
|
||||
|
||||
ldx #3
|
||||
ldy #S.TCP.SEQNUM+3
|
||||
|
||||
sec ACK=SEC+1
|
||||
|
||||
.2 lda (ZPFrameInPtr),y
|
||||
adc #0
|
||||
sta SKT.TCBCache+S.TCB.INLASTSEQNUM,x
|
||||
sta SKT.TCBCache+S.TCB.OUTACKNUM,x
|
||||
dey
|
||||
dex
|
||||
bpl .2
|
||||
jsr TCP.IN.ACKTheSYN
|
||||
|
||||
lda #S.TCP.OPTIONS.ACK
|
||||
jsr TCP.OUT.SendOptA SYN.ACK recieved, Send, ACK
|
||||
|
|
@ -185,7 +163,7 @@ TCP.IN.JMP.SYNSENT
|
|||
jmp SKT.Destroy
|
||||
*--------------------------------------
|
||||
TCP.IN.JMP.SYNRCVD
|
||||
ldy #S.TCP.OPTIONS SYN Recieved, SYN.ACK Sent, only accept ACK packet
|
||||
ldy #S.TCP.OPTIONS SYN Received, SYN.ACK Sent, only accept ACK packet
|
||||
lda (ZPFrameInPtr),y
|
||||
cmp #S.TCP.OPTIONS.ACK
|
||||
bne .8
|
||||
|
|
@ -313,6 +291,21 @@ TCP.IN.JMP.TIMEWT
|
|||
TCP.IN.JMP.CLOSED
|
||||
jmp SKT.Destroy
|
||||
*--------------------------------------
|
||||
TCP.IN.ACKTheSYN
|
||||
ldy #S.TCP.SEQNUM+3 Get Remote SEQ
|
||||
ldx #3
|
||||
|
||||
sec
|
||||
|
||||
.3 lda (ZPFrameInPtr),y Set OUTACK=SEQ+1 for new socket...
|
||||
adc #0
|
||||
sta SKT.TCBCache+S.TCB.INLASTSEQNUM,x
|
||||
sta SKT.TCBCache+S.TCB.OUTACKNUM,x
|
||||
dey
|
||||
dex
|
||||
bpl .3
|
||||
rts
|
||||
*--------------------------------------
|
||||
TCP.IN.ACKTheFIN
|
||||
ldy #S.SOCKET.TCP.OPTIONS
|
||||
lda (ZPPtrSKT),y
|
||||
|
|
@ -507,109 +500,6 @@ TCP.NewFrame ldx #S.IP.PROTOCOL.TCP
|
|||
clc
|
||||
.9 rts
|
||||
*--------------------------------------
|
||||
TCP.ComputeChecksum
|
||||
lda #0 RESET.TCP.CHECKSUM
|
||||
ldy #S.TCP.CHECKSUM
|
||||
sta (ZPFrameOutPtr),y
|
||||
iny
|
||||
sta (ZPFrameOutPtr),y
|
||||
|
||||
>LDYA ZPFrameOutPtr
|
||||
>STYA ZPTmpPtr1
|
||||
|
||||
lda ZPFrameOutLen
|
||||
sec
|
||||
sbc #S.IP
|
||||
sta ZPDataInLen
|
||||
|
||||
lda ZPFrameOutLen+1
|
||||
sbc /S.IP
|
||||
sta ZPDataInLen+1
|
||||
|
||||
clc
|
||||
|
||||
* lda ZPDataInLen+1
|
||||
* adc #0 RESERVED (all zero)
|
||||
sta IP.CHECKSUM
|
||||
|
||||
lda ZPDataInLen
|
||||
adc #S.IP.PROTOCOL.TCP
|
||||
sta IP.CHECKSUM+1
|
||||
|
||||
ldy #S.IP.SRC
|
||||
|
||||
ldx #4 4 words for SRC & DST IP
|
||||
|
||||
.10 lda (ZPFrameOutPtr),y
|
||||
adc IP.CHECKSUM
|
||||
sta IP.CHECKSUM
|
||||
iny
|
||||
lda (ZPFrameOutPtr),y
|
||||
adc IP.CHECKSUM+1
|
||||
sta IP.CHECKSUM+1
|
||||
iny
|
||||
dex
|
||||
bne .10
|
||||
|
||||
ldy #S.IP
|
||||
|
||||
lda ZPDataInLen
|
||||
eor #$ff
|
||||
tax
|
||||
lda ZPDataInLen+1
|
||||
eor #$ff
|
||||
|
||||
pha
|
||||
|
||||
.1 inx
|
||||
bne .11
|
||||
pla
|
||||
inc
|
||||
beq .8
|
||||
|
||||
pha
|
||||
|
||||
.11 lda (ZPTmpPtr1),y
|
||||
adc IP.CHECKSUM
|
||||
sta IP.CHECKSUM
|
||||
|
||||
iny
|
||||
bne .20
|
||||
inc ZPTmpPtr1+1
|
||||
|
||||
.20 inx
|
||||
bne .2
|
||||
pla
|
||||
inc
|
||||
beq .7
|
||||
|
||||
pha
|
||||
|
||||
.2 lda (ZPTmpPtr1),y
|
||||
|
||||
adc IP.CHECKSUM+1
|
||||
sta IP.CHECKSUM+1
|
||||
|
||||
iny
|
||||
bne .1
|
||||
inc ZPTmpPtr1+1
|
||||
bra .1
|
||||
|
||||
.7 adc IP.CHECKSUM+1 A=0 from beq .7
|
||||
sta IP.CHECKSUM+1
|
||||
|
||||
.8 ldy #S.TCP.CHECKSUM
|
||||
lda IP.CHECKSUM
|
||||
adc #0 Don't forget to add last carry!!!
|
||||
eor #$FF
|
||||
sta (ZPFrameOutPtr),y
|
||||
iny
|
||||
lda IP.CHECKSUM+1
|
||||
adc #0 Don't forget to add last carry!!!
|
||||
eor #$FF
|
||||
sta (ZPFrameOutPtr),y
|
||||
rts
|
||||
*--------------------------------------
|
||||
MAN
|
||||
SAVE /A2OSX.SRC/LIB/LIBTCPIP.S.TCP
|
||||
LOAD /A2OSX.SRC/LIB/LIBTCPIP.S
|
||||
|
|
|
|||
|
|
@ -61,101 +61,6 @@ UDP.IN jsr IP.FillSKT.TemplateSrcDstIPP
|
|||
>SYSCALL FreeMem
|
||||
rts
|
||||
*--------------------------------------
|
||||
UDP.ComputeChecksum
|
||||
lda #0 RESET.TCP.CHECKSUM
|
||||
ldy #S.UDP.CHECKSUM
|
||||
sta (ZPFrameOutPtr),y
|
||||
iny
|
||||
sta (ZPFrameOutPtr),y
|
||||
|
||||
>LDYA ZPFrameOutPtr
|
||||
>STYA ZPTmpPtr1
|
||||
|
||||
lda ZPFrameOutLen
|
||||
sec
|
||||
sbc #S.IP
|
||||
sta ZPDataInLen
|
||||
|
||||
lda ZPFrameOutLen+1
|
||||
sbc /S.IP
|
||||
sta ZPDataInLen+1
|
||||
|
||||
clc
|
||||
|
||||
ldy #S.UDP.LENGTH
|
||||
lda (ZPFrameOutPtr),y
|
||||
* adc #0 RESERVED (all zero)
|
||||
sta IP.CHECKSUM
|
||||
|
||||
iny
|
||||
lda (ZPFrameOutPtr),y
|
||||
adc #S.IP.PROTOCOL.UDP
|
||||
sta IP.CHECKSUM+1
|
||||
|
||||
ldy #S.IP.SRC
|
||||
|
||||
ldx #4 4 words for SRC & DST IP
|
||||
|
||||
.10 lda (ZPFrameOutPtr),y
|
||||
adc IP.CHECKSUM
|
||||
sta IP.CHECKSUM
|
||||
iny
|
||||
lda (ZPFrameOutPtr),y
|
||||
adc IP.CHECKSUM+1
|
||||
sta IP.CHECKSUM+1
|
||||
iny
|
||||
dex
|
||||
bne .10
|
||||
|
||||
ldy #S.IP
|
||||
|
||||
.1 jsr DecDataInLen
|
||||
beq .8
|
||||
|
||||
lda (ZPTmpPtr1),y
|
||||
adc IP.CHECKSUM
|
||||
sta IP.CHECKSUM
|
||||
|
||||
iny
|
||||
bne .20
|
||||
inc ZPTmpPtr1+1
|
||||
|
||||
.20 jsr DecDataInLen
|
||||
bne .2
|
||||
lda #0
|
||||
bra .21
|
||||
|
||||
.2 lda (ZPTmpPtr1),y
|
||||
|
||||
.21 adc IP.CHECKSUM+1
|
||||
sta IP.CHECKSUM+1
|
||||
|
||||
iny
|
||||
bne .1
|
||||
inc ZPTmpPtr1+1
|
||||
bra .1
|
||||
|
||||
.8 ldy #S.UDP.CHECKSUM
|
||||
lda IP.CHECKSUM
|
||||
adc #0 Don't forget to add last carry!!!
|
||||
eor #$FF
|
||||
sta (ZPFrameOutPtr),y
|
||||
iny
|
||||
lda IP.CHECKSUM+1
|
||||
adc #0 Don't forget to add last carry!!!
|
||||
eor #$FF
|
||||
sta (ZPFrameOutPtr),y
|
||||
rts
|
||||
*--------------------------------------
|
||||
DecDataInLen lda ZPDataInLen
|
||||
bne .1
|
||||
lda ZPDataInLen+1
|
||||
beq .9
|
||||
dec ZPDataInLen+1
|
||||
.1 dec ZPDataInLen
|
||||
lda #$FF Make NZ
|
||||
.9 rts
|
||||
*--------------------------------------
|
||||
MAN
|
||||
SAVE /A2OSX.SRC/LIB/LIBTCPIP.S.UDP
|
||||
LOAD /A2OSX.SRC/LIB/LIBTCPIP.S
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user