{"id":120206,"date":"2024-10-16T19:09:07","date_gmt":"2024-10-16T17:09:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/proekt-asterinas-razvivaet-yadro-na-yazyke-rust-sovmestimoe-s-linux"},"modified":"2024-10-16T19:09:07","modified_gmt":"2024-10-16T17:09:07","slug":"proekt-asterinas-razvivaet-yadro-na-yazyke-rust-sovmestimoe-s-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sl\/blog\/news\/proekt-asterinas-razvivaet-yadro-na-yazyke-rust-sovmestimoe-s-linux","title":{"rendered":"Projekt Asterinas razvija jedro v jeziku Rust, zdru\u017eljivo z Linuxom","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Skupina razvijalcev iz Kitajske razvija jedro Asterinas, napisano v jeziku Rust, ki je namenjeno uporabi v operacijskih sistemih splo\u0161ne rabe. Za poenostavitev integracije z \u017ee razvitimi sistemskimi komponentami jedro ponuja ABI (Application Binary Interface), zdru\u017eljiv z jedrom Linux in uporaben kot nadomestek zanj. Koda projekta se distribuira pod licenco MPL (Mozilla Public License). <\/p>\n

Projekt se razvija od jeseni 2022 in namerava \u017ee letos dose\u010di raven, primerno za \u0161iroko uporabo v virtualnim ma\u0161inama<\/a> s arhitekturo x86-64. Od naslednjega leta nameravajo osredoto\u010diti svoje delo na implementacijo podpore za strojno opremo in druge arhitekture CPU. Med prednostnimi podro\u010dji uporabe so omre\u017ene sisteme, povezane z Linux ABI, a zahtevajo vi\u0161jo raven varnosti. Na primer, Asterinas se priporo\u010da za oblikovanje sistemskega okolja za\u0161\u010ditenih virtualnih naprav<\/a>, za izolacijo katerih se uporabljajo tehnologije, kot so ARM CCA, AMD SEV in Intel TDX, pa tudi na strani gostiteljskega sistema, ki zagotavlja zagon kontejnerjev. <\/p>\n

Za zmanj\u0161anje verjetnosti napak pri delu s pomnilnikom, ki so glavni vir najnevarnej\u0161ih ranljivosti, pri pisanju Asterinas uporabljajo jezik Rust in taktiko omejenega uporabe unsafe-blokov. Jedro je zgrajeno z uporabo arhitekture framekernel, pri \u010demer so se razvijalci trudili zdru\u017eiti mo\u017enosti izolacije mikrojedrnic z u\u010dinkovitostjo monolitnih jedrnic. <\/p>\n

Komponenti jedra v Asterinas sta name\u0161\u010deni v skupnem naslovnem prostoru, varnost pa se dosega na ravni logi\u010dnega lo\u010devanja varne kode in kode, pri kateri ni mogo\u010de izklju\u010diti pojav te\u017eav z varnostjo. Jedro je razdeljeno na dva dela, napisane v jeziku Rust: OS Framework in OS Services. V OS Services je uporaba unsafe-blokov prepovedana, vse nizkonivojske operacije, ki zahtevajo izvajanje kode v unsafe-blokih, pa so premaknjene v OS Framework in dostopne le preko visoko nivojskega API. Vsi sistemski klici, datote\u010dni sistemi in gonilniki se izvajajo na ravni OS Services in ne morejo vsebovati unsafe-blokov. <\/p>\n

Pri razvoju sistemskih storitev in modulov jedra se priporo\u010da uporaba orodij OSDK (Operating System Development Kit), ki ponuja pripomo\u010dek cargo-osdk za ustvarjanje, sestavljanje, testiranje in zagon komponent operacijskega sistema. Za razvijalce je pripravljen sklop knji\u017enic OSTD (Operating System Standard Library), ki je razli\u010dica standardnih knji\u017enic Rust (crate std), prilagojena za uporabo v komponentah operacijskega sistema.
\n
Izvor: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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