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< a name = "l1" > < / a > < span class = cF2 > /*< / span > < span class = cF0 > < / span > < span class = cF2 > Intel(R) E1000 Driver< / span > < span class = cF0 >
< a name = "l2" > < / a > < / span > < span class = cF2 > Author: TomAwezome< / span > < span class = cF0 >
< a name = "l3" > < / a >
< a name = "l4" > < / a > < / span > < span class = cF2 > Driver is based on:< / span > < span class = cF0 >
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< a name = "l5" > < / a > < / span > < span class = cF2 > -< / span > < span class = cF0 > < / span > < span class = cF2 > 01000101's example i825xx driver< / span > < span class = cF0 >
< a name = "l6" > < / a > < / span > < span class = cF2 > -< / span > < span class = cF0 > < / span > < span class = cF2 > OSDev Intel(R) 8254x documentation< / span > < span class = cF0 >
< a name = "l7" > < / a > < / span > < span class = cF2 > -< / span > < span class = cF0 > < / span > < span class = cF2 > Intel(R) PCI/PCI-X Family of Gigabit Ethernet Controllers Software Developer's Manual< / span > < span class = cF0 >
< a name = "l8" > < / a > < / span > < span class = cF2 > -< / span > < span class = cF0 > < / span > < span class = cF2 > Linux E1000 driver< / span > < span class = cF0 >
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< a name = "l9" > < / a > < / span > < span class = cF2 > -< / span > < span class = cF0 > < / span > < span class = cF2 > any other useful sources.< / span > < span class = cF0 >
< a name = "l10" > < / a >
< a name = "l11" > < / a > < / span > < span class = cF2 > Guidelines:< / span > < span class = cF0 >
< a name = "l12" > < / a > < / span > < span class = cF2 > -< / span > < span class = cF0 > < / span > < span class = cF2 > Magic numbers are bad. #defines are good.< / span > < span class = cF0 >
< a name = "l13" > < / a > < / span > < span class = cF2 > -< / span > < span class = cF0 > < / span > < span class = cF2 > Understandability over LOC.< / span > < span class = cF0 >
< a name = "l14" > < / a > < / span > < span class = cF2 > -< / span > < span class = cF0 > < / span > < span class = cF2 > Clear documentation.< / span > < span class = cF0 >
< a name = "l15" > < / a > < / span > < span class = cF2 > */< / span > < span class = cF0 >
< a name = "l16" > < / a >
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< a name = "l17" > < / a > < / span > < span class = cF2 > // TODO: clean up entire driver< / span > < span class = cF0 >
< a name = "l18" > < / a >
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< a name = "l19" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > E1000_REG_CTRL < / span > < span class = cFE > 0x0000< / span > < span class = cF0 >
< a name = "l20" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > E1000_REG_EERD < / span > < span class = cFE > 0x0014< / span > < span class = cF0 > < / span > < span class = cF2 > // EEPROM Read< / span > < span class = cF0 >
< a name = "l21" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > E1000_REG_IMS < / span > < span class = cFE > 0x00D0< / span > < span class = cF0 >
< a name = "l22" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > E1000_REG_MTA < / span > < span class = cFE > 0x5200< / span > < span class = cF0 > < / span > < span class = cF2 > // Multicast Table Array< / span > < span class = cF0 >
< a name = "l23" > < / a >
< a name = "l24" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > E1000_CTRLf_SLU < / span > < span class = cFE > 6< / span > < span class = cF0 > < / span > < span class = cF2 > // Set Link Up ?< / span > < span class = cF0 >
< a name = "l25" > < / a >
< a name = "l26" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > E1000_CTRLF_SLU (< / span > < span class = cFE > 1< / span > < span class = cF0 > < < E1000_CTRLf_SLU) < / span > < span class = cF2 > // Set Link Up ?< / span > < span class = cF0 >
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< a name = "l27" > < / a >
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< a name = "l28" > < / a > < / span > < span class = cF1 > class< / span > < span class = cF0 > CE1000
< a name = "l29" > < / a > {
< a name = "l30" > < / a > < / span > < span class = cF9 > CPCIDev< / span > < span class = cF0 > *pci;
< a name = "l31" > < / a >
< a name = "l32" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > mac_address[< / span > < span class = cFE > 6< / span > < span class = cF0 > ];
< a name = "l33" > < / a > < / span > < span class = cF9 > U64< / span > < span class = cF0 > mmio_address;
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< a name = "l34" > < / a >
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< a name = "l35" > < / a > } e1000; < / span > < span class = cF2 > // e1000 is the global variable we store all of this into.< / span > < span class = cF0 >
< a name = "l36" > < / a >
< a name = "l37" > < / a > < / span > < span class = cF9 > CPCIDev< / span > < span class = cF0 > *E1000PCIDevFind()
< a name = "l38" > < / a > {< / span > < span class = cF2 > // Find and return E1000 card as a CPCIDev pointer.< / span > < span class = cF0 >
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< a name = "l39" > < / a >
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< a name = "l40" > < / a > < / span > < span class = cF9 > CPCIDev< / span > < span class = cF0 > *pci = < / span > < span class = cF5 > PCIDevFind< / span > < span class = cF0 > (< / span > < span class = cF3 > PCIC_NETWORK< / span > < span class = cF0 > ,, PCIV_E1000);
< a name = "l41" > < / a >
< a name = "l42" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!pci)
< a name = "l43" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > < / span > < span class = cF3 > NULL< / span > < span class = cF0 > ;
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< a name = "l44" > < / a >
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< a name = "l45" > < / a > < / span > < span class = cF5 > ClassRep< / span > < span class = cF0 > (pci);
< a name = "l46" > < / a >
< a name = "l47" > < / a > < / span > < span class = cF1 > switch< / span > < span class = cF0 > (pci-> device_id)
< a name = "l48" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l49" > < / a > < / span > < span class = cF1 > case< / span > < span class = cF0 > PCID_82545EM:
< a name = "l50" > < / a > < / span > < span class = cF1 > break< / span > < span class = cF0 > ;
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< a name = "l51" > < / a >
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< a name = "l52" > < / a > < / span > < span class = cF1 > default< / span > < span class = cF0 > :
< a name = "l53" > < / a > pci = < / span > < span class = cF3 > NULL< / span > < span class = cF0 > ;
< a name = "l54" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
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< a name = "l55" > < / a >
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< a name = "l56" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > pci;
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< a name = "l57" > < / a > }
< a name = "l58" > < / a >
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< a name = "l59" > < / a > < / span > < span class = cF9 > U32< / span > < span class = cF0 > E1000MMIORead(< / span > < span class = cF9 > U32< / span > < span class = cF0 > < / span > < span class = cF1 > offset< / span > < span class = cF0 > )
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< a name = "l60" > < / a > {
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< a name = "l61" > < / a > < / span > < span class = cF9 > U32< / span > < span class = cF0 > *val = e1000.mmio_address + < / span > < span class = cF1 > offset< / span > < span class = cF0 > ;
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< a name = "l62" > < / a >
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< a name = "l63" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > *val;
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< a name = "l64" > < / a > }
< a name = "l65" > < / a >
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< a name = "l66" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > E1000MMIOWrite(< / span > < span class = cF9 > U32< / span > < span class = cF0 > < / span > < span class = cF1 > offset< / span > < span class = cF0 > , < / span > < span class = cF9 > U32< / span > < span class = cF0 > val)
< a name = "l67" > < / a > {
< a name = "l68" > < / a > < / span > < span class = cF9 > U32< / span > < span class = cF0 > *addr = e1000.mmio_address + < / span > < span class = cF1 > offset< / span > < span class = cF0 > ;
< a name = "l69" > < / a >
< a name = "l70" > < / a > *addr = val;
< a name = "l71" > < / a > }
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< a name = "l72" > < / a >
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< a name = "l73" > < / a > < / span > < span class = cF9 > U16< / span > < span class = cF0 > E1000EEPROMRead(< / span > < span class = cF1 > U8< / span > < span class = cF0 > word)
< a name = "l74" > < / a > { < / span > < span class = cF2 > // word arg is which U16 to read< / span > < span class = cF0 >
< a name = "l75" > < / a > < / span > < span class = cF9 > U16< / span > < span class = cF0 > data;
< a name = "l76" > < / a > < / span > < span class = cF9 > U32< / span > < span class = cF0 > temp;
< a name = "l77" > < / a >
< a name = "l78" > < / a > E1000MMIOWrite(E1000_REG_EERD, < / span > < span class = cFE > 1< / span > < span class = cF0 > | word < < < / span > < span class = cFE > 8< / span > < span class = cF0 > );
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< a name = "l79" > < / a >
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< a name = "l80" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (!< / span > < span class = cF7 > (< / span > < span class = cF0 > (temp = E1000MMIORead< / span > < span class = cF7 > (< / span > < span class = cF0 > E1000_REG_EERD< / span > < span class = cF7 > )< / span > < span class = cF0 > ) & (< / span > < span class = cFE > 1< / span > < span class = cF0 > < < < / span > < span class = cFE > 4< / span > < span class = cF0 > )< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l81" > < / a > < / span > < span class = cF5 > Sleep< / span > < span class = cF0 > (< / span > < span class = cFE > 1< / span > < span class = cF0 > );
< a name = "l82" > < / a >
< a name = "l83" > < / a > data = (temp > > < / span > < span class = cFE > 16< / span > < span class = cF0 > ) & < / span > < span class = cFE > 0xFFFF< / span > < span class = cF0 > ;
< a name = "l84" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > data;
< a name = "l85" > < / a > }
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< a name = "l86" > < / a >
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< a name = "l87" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > E1000MACGet()
< a name = "l88" > < / a > {
< a name = "l89" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > i;
< a name = "l90" > < / a > < / span > < span class = cF9 > U16< / span > < span class = cF0 > mac;
< a name = "l91" > < / a >
< a name = "l92" > < / a > NetLog(< / span > < span class = cF6 > " E1000 GET MAC: Getting VM MAC." < / span > < span class = cF0 > );
< a name = "l93" > < / a >
< a name = "l94" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; i < < / span > < span class = cFE > 3< / span > < span class = cF0 > ; i++)
< a name = "l95" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l96" > < / a > mac = E1000EEPROMRead(i);
< a name = "l97" > < / a > e1000.mac_address[< / span > < span class = cFE > 2< / span > < span class = cF0 > *i] = mac & < / span > < span class = cFE > 0xFF< / span > < span class = cF0 > ;
< a name = "l98" > < / a > e1000.mac_address[< / span > < span class = cFE > 2< / span > < span class = cF0 > *i+< / span > < span class = cFE > 1< / span > < span class = cF0 > ] = (mac > > < / span > < span class = cFE > 8< / span > < span class = cF0 > ) & < / span > < span class = cFE > 0xFF< / span > < span class = cF0 > ;
< a name = "l99" > < / a > NetLog(< / span > < span class = cF6 > " %02X %02X" < / span > < span class = cF0 > , mac.u8[< / span > < span class = cFE > 0< / span > < span class = cF0 > ], mac.u8[< / span > < span class = cFE > 1< / span > < span class = cF0 > ]);
< a name = "l100" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l101" > < / a >
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< a name = "l102" > < / a > }
< a name = "l103" > < / a >
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< a name = "l104" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > EthernetFrameFinish(< / span > < span class = cF9 > I64< / span > < span class = cF0 > de_index)
< a name = "l105" > < / a > {< / span > < span class = cF2 > //Alias for driver Finish TX function.< / span > < span class = cF0 >
< a name = "l106" > < / a > < / span > < span class = cF2 > //E1000TransmitPacketFinish(de_index);< / span > < span class = cF0 >
< a name = "l107" > < / a > < / span > < span class = cF1 > no_warn< / span > < span class = cF0 > de_index;
< a name = "l108" > < / a > NetErr(< / span > < span class = cF6 > " TODO E1000" < / span > < span class = cF0 > );
< a name = "l109" > < / a > }
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< a name = "l110" > < / a >
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< a name = "l111" > < / a > < / span > < span class = cF2 > /*< / span > < span class = cF0 >
< a name = "l112" > < / a > < / span > < span class = cF2 > U0 PCIInterruptsReroute(I64 base)< / span > < span class = cF0 >
< a name = "l113" > < / a > < / span > < span class = cF2 > { // todo: comments explaining process, maybe better var names< / span > < span class = cF0 >
< a name = "l114" > < / a > < / span > < span class = cF2 > I64< / span > < span class = cF0 > < / span > < span class = cF2 > i;< / span > < span class = cF0 >
< a name = "l115" > < / a > < / span > < span class = cF2 > U8< / span > < span class = cF0 > < / span > < span class = cF2 > *da = dev.uncached_alias + IOAPIC_REG;< / span > < span class = cF0 >
< a name = "l116" > < / a > < / span > < span class = cF2 > U32 *_d = dev.uncached_alias + IOAPIC_DATA;< / span > < span class = cF0 >
< a name = "l117" > < / a >
< a name = "l118" > < / a > < / span > < span class = cF2 > for (i = 0; i < 4; i++)< / span > < span class = cF0 >
< a name = "l119" > < / a > < / span > < span class = cF2 > {< / span > < span class = cF0 >
< a name = "l120" > < / a > < / span > < span class = cF2 > *da = IOREDTAB + i * 2 + 1;< / span > < span class = cF0 >
< a name = "l121" > < / a > < / span > < span class = cF2 > *_d = dev.mp_apic_ids[INT_DEST_CPU] < < 24;< / span > < span class = cF0 >
< a name = "l122" > < / a > < / span > < span class = cF2 > *da = IOREDTAB + i * 2;< / span > < span class = cF0 >
< a name = "l123" > < / a > < / span > < span class = cF2 > *_d = 0x4000 + base + i;< / span > < span class = cF0 >
< a name = "l124" > < / a > < / span > < span class = cF2 > }< / span > < span class = cF0 >
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< a name = "l125" > < / a > < / span > < span class = cF2 > }< / span > < span class = cF0 >
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< a name = "l126" > < / a >
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< a name = "l127" > < / a >
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< a name = "l128" > < / a > < / span > < span class = cF2 > U0 E1000InterruptsSetup()< / span > < span class = cF0 >
< a name = "l129" > < / a > < / span > < span class = cF2 > {< / span > < span class = cF0 >
< a name = "l130" > < / a > < / span > < span class = cF2 > //< / span > < span class = cF0 > < / span > < span class = cF2 > PCIInterruptsReroute(I_E1000);< / span > < span class = cF0 >
< a name = "l131" > < / a > < / span > < span class = cF2 > NetErr(" TODO E1000" );< / span > < span class = cF0 >
< a name = "l132" > < / a > < / span > < span class = cF2 > }< / span > < span class = cF0 >
< a name = "l133" > < / a > < / span > < span class = cF2 > */< / span > < span class = cF0 >
< a name = "l134" > < / a >
< a name = "l135" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > E1000Init()
< a name = "l136" > < / a > {
< a name = "l137" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > i;
< a name = "l138" > < / a >
< a name = "l139" > < / a > < / span > < span class = cF5 > MemSet< / span > < span class = cF0 > (& e1000, < / span > < span class = cFE > 0< / span > < span class = cF0 > , < / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > CE1000< / span > < span class = cF7 > )< / span > < span class = cF0 > ); < / span > < span class = cF2 > // e1000 global var will hold member data the driver uses often.< / span > < span class = cF0 >
< a name = "l140" > < / a > < / span > < span class = cF6 > " \nE1000 driver WIP\n\n" < / span > < span class = cF0 > ;
< a name = "l141" > < / a >
< a name = "l142" > < / a > e1000.pci = E1000PCIDevFind;
< a name = "l143" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (!e1000.pci)
< a name = "l144" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > ; < / span > < span class = cF2 > // if we don't find the card, quit.< / span > < span class = cF0 >
< a name = "l145" > < / a >
< a name = "l146" > < / a >
< a name = "l147" > < / a > e1000.mmio_address = < / span > < span class = cFB > dev< / span > < span class = cF0 > .uncached_alias + e1000.pci-> base[< / span > < span class = cFE > 0< / span > < span class = cF0 > ] & ~< / span > < span class = cFE > 0xF< / span > < span class = cF0 > ;
< a name = "l148" > < / a > < / span > < span class = cF2 > // Assuming card supports MMIO... lower 4 bits are hardwired zero (?)< / span > < span class = cF0 >
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< a name = "l149" > < / a >
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< a name = "l150" > < / a > < / span > < span class = cF6 > " \nMMIO address: 0x%0X\n" < / span > < span class = cF0 > , e1000.mmio_address;
< a name = "l151" > < / a >
< a name = "l152" > < / a > < / span > < span class = cF2 > // init rx/tx addrs? (linux)< / span > < span class = cF0 >
< a name = "l153" > < / a >
< a name = "l154" > < / a > < / span > < span class = cF2 > // eeprom? MAC ?< / span > < span class = cF0 >
< a name = "l155" > < / a > E1000MACGet;
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< a name = "l156" > < / a >
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< a name = "l157" > < / a > < / span > < span class = cF2 > // setup link? (01000101's driver)< / span > < span class = cF0 >
< a name = "l158" > < / a > E1000MMIOWrite(E1000_REG_CTRL, E1000MMIORead< / span > < span class = cF7 > (< / span > < span class = cF0 > E1000_REG_CTRL< / span > < span class = cF7 > )< / span > < span class = cF0 > | E1000_CTRLF_SLU);
< a name = "l159" > < / a >
< a name = "l160" > < / a > < / span > < span class = cF2 > // zero out multicast hash? (linux)< / span > < span class = cF0 >
< a name = "l161" > < / a > < / span > < span class = cF2 > // zero out multicast table array (01000101's driver)< / span > < span class = cF0 >
< a name = "l162" > < / a > < / span > < span class = cF1 > for< / span > < span class = cF0 > (i = < / span > < span class = cFE > 0< / span > < span class = cF0 > ; i < < / span > < span class = cFE > 128< / span > < span class = cF0 > ; i++)
< a name = "l163" > < / a > E1000MMIOWrite(E1000_REG_MTA + i*< / span > < span class = cFE > 4< / span > < span class = cF0 > , < / span > < span class = cFE > 0< / span > < span class = cF0 > );
< a name = "l164" > < / a >
< a name = "l165" > < / a > < / span > < span class = cF2 > // setup link? (linux)< / span > < span class = cF0 >
< a name = "l166" > < / a >
< a name = "l167" > < / a > < / span > < span class = cF2 > // clear all statistics regs after link establish attempt (linux)< / span > < span class = cF0 >
< a name = "l168" > < / a >
< a name = "l169" > < / a > < / span > < span class = cF2 > // enable & clear existing interupts (01000101's driver)< / span > < span class = cF0 >
< a name = "l170" > < / a > E1000MMIOWrite(E1000_REG_IMS, < / span > < span class = cFE > 0x1F6DC< / span > < span class = cF0 > ); < / span > < span class = cF2 > // TODO: WHAT IS THIS< / span > < span class = cF0 >
< a name = "l171" > < / a > E1000MMIORead(< / span > < span class = cFE > 0xC0< / span > < span class = cF0 > ); < / span > < span class = cF2 > // TODO : WHAT IS THIS ???< / span > < span class = cF0 >
< a name = "l172" > < / a >
< a name = "l173" > < / a > < / span > < span class = cF2 > // start rx tx?< / span > < span class = cF0 >
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< a name = "l174" > < / a >
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< a name = "l175" > < / a >
< a name = "l176" > < / a > NetErr(< / span > < span class = cF6 > " TODO E1000" < / span > < span class = cF0 > );
< a name = "l177" > < / a > }
< a name = "l178" > < / a >
< a name = "l179" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > EthernetFrameAllocate(< / span > < span class = cF1 > U8< / span > < span class = cF0 > **packet_buffer_out,
< a name = "l180" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > *source_address,
< a name = "l181" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > *destination_address,
< a name = "l182" > < / a > < / span > < span class = cF9 > U16< / span > < span class = cF0 > ethertype,
< a name = "l183" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > packet_length)
< a name = "l184" > < / a > {
< a name = "l185" > < / a > < / span > < span class = cF1 > no_warn< / span > < span class = cF0 > packet_buffer_out, source_address, destination_address, ethertype, packet_length;
< a name = "l186" > < / a > NetErr(< / span > < span class = cF6 > " TODO E1000" < / span > < span class = cF0 > );
< a name = "l187" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > -< / span > < span class = cFE > 1< / span > < span class = cF0 > ;
< a name = "l188" > < / a > }
< a name = "l189" > < / a >
< a name = "l190" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > *EthernetMACGet()
< a name = "l191" > < / a > {
< a name = "l192" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > e1000.mac_address;
< a name = "l193" > < / a > }
< a name = "l194" > < / a >
< a name = "l195" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > NetStop()
< a name = "l196" > < / a > {
< a name = "l197" > < / a >
< a name = "l198" > < / a > }
< a name = "l199" > < / a >
< a name = "l200" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > NetStart()
< a name = "l201" > < / a > {
< a name = "l202" > < / a >
< a name = "l203" > < / a > }
< a name = "l204" > < / a >
< a name = "l205" > < / a > E1000Init;< / span > < / pre > < / body >
2021-07-06 21:15:26 +01:00
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