{"id":101721,"date":"2021-10-22T04:22:36","date_gmt":"2021-10-22T02:22:36","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-gipervizora-bareflank-3-0"},"modified":"2021-10-22T04:22:36","modified_gmt":"2021-10-22T02:22:36","slug":"vypusk-gipervizora-bareflank-3-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sl\/blog\/news\/vypusk-gipervizora-bareflank-3-0","title":{"rendered":"Izid hipervizorja Bareflank 3.0.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Izdaja hipervizora Bareflank 3.0, ki ponuja orodja za hitro razvijanje specializiranih hipervizorjev, je uspe\u0161no zaklju\u010dena. Bareflank je napisan v jeziku C++ in podpira C++ STL. Modularna arhitektura Bareflank omogo\u010da enostavno \u0161iritev obstoje\u010dih zmo\u017enosti hipervizorja ter ustvarjanje lastnih razli\u010dic hipervizorjev, tako za delovanje neposredno na strojni opremi (kot je Xen), kot tudi za izvajanje v obstoje\u010dem programskem okolju (kot je VirtualBox). Mo\u017eno je izvajanje operacijskega sistema gostitelja v lo\u010deni virtualni napravi. Koda projekta je raz\u0161irjena pod licenco LGPL 2.1.      <\/p>\n<p>Bareflank podpira Linux, Windows in UEFI na 64-bitnih CPU-jih Intel in AMD. Za strojno delitev virov <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sl\/vps\/\"   title=\"virtualnih naprav\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2073\">virtualnih naprav<\/a> se uporablja tehnologija Intel VT-x. V prihodnosti je na\u010drtovana podpora za macOS in BSD sisteme, prav tako pa mo\u017enost delovanja na platformi ARM64. Dodatno projekt razvija svoj lasten gonilnik za nalaganje VMM (Virtual Machine Manager), ELF nalagalnik za nalaganje modulov VVM, aplikacijo bfm za upravljanje hipervizorja iz uporabni\u0161kega prostora. Na voljo je orodje za pisanje raz\u0161iritev z uporabo elementov, opredeljenih v specifikacijah C++11\/14, knji\u017enica za razkroj skladov izjem (unwind), ter lastna runtime knji\u017enica za podporo uporabi konstruktorjev\/destroyerjev in registracijo obdelovalcev izjem.    <\/p>\n<p>Na podlagi Bareflank se razvija virtualizacijski sistem Boxy, ki podpira zagon gostovskih sistemov in omogo\u010da uporabo lahkih virtualnih naprav s sistemom Linux in Unikernel za zagon specializiranih storitev ali aplikacij. V obliki izoliranih storitev je mogo\u010de izvajati tako obi\u010dajne spletne storitve kot tudi aplikacije, ki imajo posebne zahteve glede zanesljivosti in varnosti, osvobojene vpliva gostiteljskega okolja (gostiteljsko okolje je izolirano v lo\u010deni virtualni napravi). Bareflank je prav tako osnova hipervizorja MicroV, namenjenega zaganjanju minimalisti\u010dnih virtualnih naprav (<a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sl\/vps\/abuzoustojchivye-vps\/\"   title=\"virtualni stroj\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4199\">virtualni stroj<\/a> ene aplikacije), ki implementira API KVM in je primeren za ustvarjanje kriti\u010dnih sistemov.    <\/p>\n<p>Glavne novosti Bareflank 3.0:  <\/p>\n<ul>\n<li class=\"l\"> Prehod na uporabo koncepta mikrojedra. Prej je imel hipervizor monolitno arhitekturo, pri kateri je bilo za \u0161iritev funkcionalnosti potrebno uporabljati poseben API za registracijo klicev, kar je ote\u017eilo razvoj raz\u0161iritev zaradi vezave na jezik C++ in notranje delovanje. Nova arhitektura, zasnovana na mikrojedru, predvideva razdelitev hipervizorja na komponente jedra, ki delujejo na ni\u010delni za\u0161\u010ditni ravni, in raz\u0161iritve, ki delujejo na tretji ravni (uporabni\u0161ko obmo\u010dje). Obe deli delujeta v korenskem na\u010dinu VMX, vse ostalo, vklju\u010dno z gostiteljskim okoljem, pa v nekorenskem na\u010dinu VMX. Raz\u0161iritve v uporabni\u0161kem prostoru implementirajo funkcionalnost upravitelja virtualnih strojev (VMM) in komunicirajo z jedrom hipervizorja preko sistemskih klicev, za katere je zagotovljena nazaj zdru\u017eljivost. Raz\u0161iritve je mo\u017eno ustvarjati v vseh programskih jezikih, vklju\u010dno z jezikom Rust.\n<li class=\"l\"> Opravljena je bila prehod na uporabo lastne knji\u017enice BSL s podporo za Rust in C++, ki je nadomestila zunanje knji\u017enice libc++ in newlib. Opustitev zunanjih odvisnosti je omogo\u010dila v Bareflanku nativno podporo za kompajliranje v Windows za poenostavitev razvoja na tej platformi.\n<li class=\"l\"> Dodana je podpora za procesorje AMD. Poleg tega se razvoj Bareflanka zdaj izvaja na sistemu z CPU AMD, \u0161ele nato pa se portira za CPU Intel.\n<li class=\"l\"> V zagonski nalagalnik je dodana podpora za arhitekturo ARMv8, prilagoditev hipervizorja za katero bo zaklju\u010dena v enem izmed prihodnjih izdaj.\n<li class=\"l\"> Zagotavljene so bile ustrezne zahteve za razvoj kriti\u010dnih sistemov, ki so jih opredelile organizacije AUTOSAR in MISRA.   <\/ul>\n<p>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56012\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Bareflank 3.0, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u0434\u043b\u044f \u0431\u044b\u0441\u0442\u0440\u043e\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u043e\u0432. Bareflank \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 C++, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 C++ STL. \u041c\u043e\u0434\u0443\u043b\u044c\u043d\u0430\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0430 Bareflank \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0442 \u043b\u0435\u0433\u043a\u043e \u0440\u0430\u0441\u0448\u0438\u0440\u044f\u0442\u044c \u0438\u043c\u0435\u044e\u0449\u0438\u0435\u0441\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 \u0438 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u043e\u0432, \u043a\u0430\u043a \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0445 \u043f\u043e\u0432\u0435\u0440\u0445 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f (\u043a\u0430\u043a Xen), \u0442\u0430\u043a \u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u043c\u044b\u0445 \u0432 \u0438\u043c\u0435\u044e\u0449\u0435\u043c\u0441\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u043c \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0438 (\u043a\u0430\u043a VirtualBox). \u0418\u043c\u0435\u0435\u0442\u0441\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0445\u043e\u0441\u0442-\u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-101721","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Bareflank 3.0, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u0434\u043b\u044f \u0431\u044b\u0441\u0442\u0440\u043e\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u043e\u0432. 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