{"id":40553,"date":"2020-02-01T20:58:27","date_gmt":"2020-02-01T17:58:27","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/vypusk-gipervizora-bareflank-2-0"},"modified":"2020-02-01T20:58:27","modified_gmt":"2020-02-01T17:58:27","slug":"vypusk-gipervizora-bareflank-2-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sl\/blog\/vypusk-gipervizora-bareflank-2-0","title":{"rendered":"Izdaja hipervizorja Bareflank 2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Bareflank\/hypervisor\/releases\/tag\/v2.0\">Odr\u017ean<\/a><\/noindex> izdanje hipervizora <noindex><a rel=\"nofollow\" href=\"http:\/\/bareflank.github.io\/hypervisor\/\">Bareflank 2.0<\/a><\/noindex>, koji pru\u017ea alate za brzi razvoj specijalizovanih hipervizora. Bareflank je napisan na C++ jeziku, podr\u017eava C++ STL. Modularna arhitektura Bareflank omogu\u0107ava lako pro\u0161irenje postoje\u0107ih mogu\u0107nosti hipervizora i kreiranje prilago\u0111enih verzija hipervizora, kako onih koji rade na hardveru (poput Xena), tako i onih koji se pokre\u0107u u postoje\u0107em softverskom okru\u017eenju (poput VirtualBox-a). Postoji mogu\u0107nost izvr\u0161avanja operativnog sistema host-okru\u017eenja u posebnoj virtuelnoj ma\u0161ini. Kod projekta <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Bareflank\/hypervisor\">se distribuira<\/a><\/noindex> je pod LGPL 2.1 licencom.<\/p>\n<p>U Bareflanku je podr\u017ean Linux, Windows i UEFI na 64-bitnim Intel CPU-ima. Za hardversku podelu resursa virtuelnih ma\u0161ina koristi se Intel VT-x tehnologija. U budu\u0107nosti je planirana podr\u0161ka za macOS i BSD sisteme, kao i mogu\u0107nost rada na ARM64 i AMD platformama. Dodatno, projekt se razvija sopstveni drajver za u\u010ditavanje VMM (Virtual Machine Manager), ELF u\u010ditava\u010d za u\u010ditavanje VVM modula, aplikacija bfm za upravljanje hipervizorom iz korisni\u010dkog prostora. Pru\u017ea se alat za pisanje ekstenzija kori\u0161\u0107enjem elemenata definisanih u C++11\/14 specifikacijama, biblioteka za upravljanje izuzecima (unwind), kao i sopstvena runtime biblioteka za podr\u0161ku kori\u0161\u0107enju konstruktora\/destruktora i registraciju rukovalaca izuzetaka.<\/p>\n<p>Na bazi Bareflanka se razvija sistem virtualizacije <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Bareflank\/boxy\">Boxy<\/a><\/noindex>, koji podr\u017eava pokretanje gostuju\u0107ih sistema i omogu\u0107ava kori\u0161\u0107enje lakih virtuelnih ma\u0161ina sa Linux-om i Unikernela za pokretanje specijalizovanih servisa ili aplikacija. U formi izolovanih servisa mogu se izvr\u0161avati kako obi\u010dni web servisi, tako i aplikacije koje imaju posebne zahteve za pouzdanost i bezbednost, oslobodive uticaja host-okru\u017eenja (host-okru\u017eenje se izoluje u posebnoj virtuelnoj ma\u0161ini). <\/p>\n<p>Glavne novine Bareflank 2.0:<\/p>\n<ul>\n<li class=\"l\"> Dodata je podr\u0161ka za pokretanje Bareflanka direktno iz UEFI za naknadno izvr\u0161avanje operativnog sistema u virtuelnoj ma\u0161ini;\n<li class=\"l\"> Uveden je novi upravitelj memorijom, dizajniran po uzoru na SLAB\/Buddy menad\u017eere memorije u Linuxu. Novi menad\u017eer memorije pokazuje smanjenje fragmentacije, omogu\u0107ava postizanje ve\u0107e performanse i podr\u017eava dinami\u010dko dodeljivanje memorije hipervizoru preko <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rianquinn\/bfdriver\">bfdriver<\/a><\/noindex>, \u0161to smanjuje po\u010detnu veli\u010dinu hipervizora i optimizira njegovo skaliranje u zavisnosti od broja CPU jezgara;\n<li class=\"l\"> Nova CMake sistem gradnje, nezavisna od komandnog interpreterara, koja omogu\u0107ava zna\u010dajno ubrzavanje kompilacije hipervizora i pojednostavljuje budu\u0107u podr\u0161ku za dodatne arhitekture poput ARM-a;\n<li class=\"l\"> Reorganizovana je struktura koda i pojednostavljenja struktura izvornih datoteka. Pobolj\u0161ana je podr\u0161ka za povezane projekte, kao \u0161to je hyperkernel, bez potrebe za dupliciranjem koda. Kod je jasnije odvojen <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Bareflank\/hypervisor\/tree\/master\/bfvmm\">hipervizora<\/a><\/noindex>, unwind biblioteka, runtime, upravlja\u010dki alati, bootloader i SDK;\n<li class=\"l\"> Ve\u0107ina API-ja je umesto ranije kori\u0161\u0107enih mehanizama nasledstva u C++ preba\u010dena na kori\u0161\u0107enje <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A8%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD_%D0%B4%D0%B5%D0%BB%D0%B5%D0%B3%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F\">delegiranja<\/a><\/noindex>, \u0161to je pojednostavilo API, pobolj\u0161alo performanse i smanjilo potro\u0161nju resursa.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Izvor: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52279\">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 2.0, \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":[],"tags":[],"class_list":["post-40553","post","type-post","status-publish","format-standard","hentry"],"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.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/sl\/blog\/vypusk-gipervizora-bareflank-2-0\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" 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