Kungekudala phantsi kwengubo yeLinux Foundation iprojekthi entsha yasekwa, umanyano lweCHIP "Isixhobo esinezixhobo eziqhelekileyo zojongano, iiProsesa kunye neeNkqubo"(Izixhobo eziqhelekileyo ze-interface, iiprosesa kunye neenkqubo), ejolise ekukhuthazeni iinkqubo zehardware ezivulekileyo kunye phuhlisa izisombululo ngokusekwe kuyilo lwe-RISC-V.
Abaseki bale nto iprojekthi entsha "CHIP Alliance" ziiGoogle, iSiFive, iDijithali yaseNtshona kunye neeTekhnoloji ze-Esperanto. I-CHIPS Alliance imiselwe ukuba izibeke njengeqonga elingathathi hlangothi nelizimeleyo.
Yintoni umanyano lweCHIP?
Eli qonga iya kuvumela abavelisi bezixhobo ezahlukeneyo (Izixhobo) Banokuphuhlisa iiprojekthi zabo kunye ukwenza i-CPU evulekileyo yokuphuma kwebhokisi kunye neenkqubo ze-chip ezizodwa (i-SoC) zisebenzisa i-RISC-V yoyilo.
I-RISC-V (ebizwa ngokuba yi "Risk-Five") ngumyalelo wasimahla wezixhobo ezisetiweyo (i-ISA) esekwe kuyilo olufana ne-RISC. Ngokungafaniyo neeseti ezininzi zemiyalelo, i-RISC-V isimahla kwaye ivulekile kwaye inokusetyenziselwa nayiphi na injongo.
Ukuvumela nabani na ukuba ayile, enze kwaye athengise iitshipsi ze-RISC-V kunye nesoftware. Ngelixa ayiyilo uyilo lokuqala lwe-ISA evulekileyo, kodwa ibalulekile kuba iyilelwe ukuba iluncedo kuluhlu olubanzi lwezixhobo.
Nangona Okwangoku umbutho we-RISC-V Foundation usebenza kuphela kulwakhiwo ukusuka kumyalelo osetiweyo, kodwa ayijongani nolwenziwo oluthile.
Yiyo loo nto esi siseko sitsha sizelweyo kunye nomsebenzi weCHIP Alliance Kukulungiselela uyilo oluqhelekileyo oluvulekileyo lwe-chip yezixhobo eziphathwayo, iinkqubo zekhompyuter, izixhobo zombane zabathengi kunye ne-Intanethi yezinto.
"Ukusebenzisana okuvulekileyo kuye kwaboniswa kaninzi ukunceda amashishini akhawulezise ixesha lokuthengisa, ukufezekisa ulondolozo lwexesha elide, kunye nokwenza imigangatho yemibono," utshilo uMike Dolan, usekela mongameli weenkqubo zesicwangciso seLinux Foundation. "
Njengomrhumo wakho wokuqala, Abaseki boMbutho weCHIPS babonisa ezi projekthi zilandelayo zophuhliso lwendibaniselwano.
IsweRV Core
Este yiprosesa engama-32 ye-RISC-V eyenziwe yiDijithali yaseNtshona. Isicatshulwa isebenza rhoqo nge-1,8 GHz, Yakhelwe kulwakhiwo olunemigangatho emi-8 yombhobho womboko (i-2-way superscale) kwaye iyilelwe ukuvelisa kusetyenziswa ubuchwephesha benkqubo ye-28nm ye-CMOS.
I-Schematics, amaxwebhu, iimodeli ze-CAD, uyilo lwe-chip, i-microcode, kunye nokuphunyezwa ngokupheleleyo kulwimi lweVerilog zivulekile phantsi kwelayisensi ye-Apache 2.0.
OmniXtend
Es Inkqubo yenethiwekhi ebonelela ngokungaguquguquki kwe-cache xa uhambisa idatha ngaphezulu kwe-Ethernet.
OmniXtend uyakwenza ikuvumela ukuba utshintshe imiyalezo ngokuthe ngqo kunye ne-cache processor kwaye inokusetyenziselwa ukuqhagamshela ii-accelerators ezahlukeneyo, izixhobo zokugcina, izixhobo zeememori (ii-NVDIMMs) kunye nokunxibelelana kwenethiwekhi kwi-SoC, kunye nokwenza iinkqubo ezinee-RISC-V chips ezininzi. Iprojekthi ihanjiswe yiDijithali yeNtshona.
UVM
UGoogle ugqithisile ukumiliselwa kweNdlela yokuQinisekiswa kweNdalo (UVM) yokuvavanya uxinzelelo lwe-RISC-V izinto zekhompyuter kunye nezixhobo zoyilo.
Ngokukodwa, sithetha ngomvelisi wokuhamba okwenziwa ngokwezifiso, onokuthi usetyenziselwe ukubona iziphene kunye neebhotile kulwakhiwo nakumgangatho wobugcisa obuncinci.
Inkampani EweFive, esekwe ngabenzi be-RISC-V balungiselele iprototype yokuqala yeprosesa esekwe kwi-RISC-V, ukongeza ekudaleni inkcazo entsha yezixhobo zentsimbi Chisel kunye no-UC Berkeley.
Iya kugqithisela i-RocketChip SoC generator kwiprojekthi, Ukukhutshwa kokuqala konxibelelwano lweTileLink oluhambelana nokunxibelelana nezinto ze-SoC kunye nesakhelo seDiplomacy.
Njengenxalenye yeprojekthi edibeneyo, i-SiFive iya kuqhubeka nokukhulisa ulwimi lwe-Chisel kunye nengcaciso yethutyana ye-FIRRTL.
Okwangoku, Ngokusekwe kwinkcazo ye-RISC-V, iinkampani ezahlukeneyo kunye noluntu phantsi kweelayisensi ezahlukeneyo zasimahla (i-BSD, i-MIT, i-Apache 2.0) iphuhlisa ukwahluka okungama-21 kwee-microprocessor cores:
Ii-SoCs ezili-10 kunye neetshipsi ezi-6 sele zikhona (ZiliSive FE310-G000, SiFive Freedom U540, GreenWaves GAP 8, Kendryte K210, NXP RV32M1 kunye neRavenRV32).
Inkxaso ye-RISC-V ibikho ukusukela oko kwakhutshwa i-Glibc 2.27, i-binutils 2.30, gcc 7, kunye ne-Linux kernel 4.15.
Umthombo: https://www.linuxfoundation.org