{"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\/ro\/blog\/vypusk-gipervizora-bareflank-2-0","title":{"rendered":"Lansarea hipervizorului 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\">A avut loc<\/a><\/noindex> lansarea hipervizorului <noindex><a rel=\"nofollow\" href=\"http:\/\/bareflank.github.io\/hypervisor\/\">Bareflank 2.0<\/a><\/noindex>, oferind un instrumentar pentru dezvoltarea rapid\u0103 a hipervizoarelor specializate. Bareflank este scris \u00een C++ \u0219i suport\u0103 STL C++. Arhitectura modular\u0103 a Bareflank permite extinderea u\u0219oar\u0103 a capacit\u0103\u021bilor existente ale hipervizorului \u0219i crearea propriilor variante de hipervizoare, at\u00e2t cele care ruleaz\u0103 pe hardware (precum Xen), c\u00e2t \u0219i cele care sunt lansate \u00een medii software existente (precum VirtualBox). Exist\u0103 posibilitatea de a rula sistemul de operare al mediu-ului gazd\u0103 \u00eentr-o ma\u0219in\u0103 virtual\u0103 separat\u0103. Codul proiectului <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Bareflank\/hypervisor\">se r\u0103sp\u00e2nde\u0219te<\/a><\/noindex> este disponibil sub licen\u021ba LGPL 2.1.<\/p>\n<p>Bareflank ofer\u0103 suport pentru Linux, Windows \u0219i UEFI pe procesoare CPU Intel de 64 de bi\u021bi. Tehnologia Intel VT-x este utilizat\u0103 pentru partajarea hardware a resurselor \u00eentre ma\u0219inile virtuale. Este planificat\u0103 pentru viitor suportul pentru macOS \u0219i sistemele BSD, precum \u0219i posibilitatea de a func\u021biona pe platforme ARM64 \u0219i AMD. De asemenea, proiectul dezvolt\u0103 un driver propriu pentru \u00eenc\u0103rcarea VMM (Virtual Machine Manager), un \u00eenc\u0103rc\u0103tor ELF pentru modulele VVM, aplica\u021bia bfm pentru gestionarea hipervizorului din spa\u021biul utilizatorului. Se ofer\u0103 un instrumentar pentru scrierea extensiilor folosind elementele definite \u00een specifica\u021biile C++11\/14, o bibliotec\u0103 de desf\u0103\u0219urare a excep\u021biilor (unwind), precum \u0219i o bibliotec\u0103 runtime proprie pentru a sprijini utilizarea constructorilor\/destructorilor \u0219i \u00eenregistrarea handler-ilor de excep\u021bii.<\/p>\n<p>Pe baza Bareflank se dezvolt\u0103 un sistem de virtualizare <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Bareflank\/boxy\">Boxy<\/a><\/noindex>, care suport\u0103 rularea sistemelor gazd\u0103 \u0219i permite utilizarea ma\u0219inilor virtuale u\u0219oare cu Linux \u0219i Unikernel pentru rularea serviciilor sau aplica\u021biilor specializate. Sub form\u0103 de servicii izolate pot fi rulate at\u00e2t servicii web obi\u0219nuite, c\u00e2t \u0219i aplica\u021bii care au cerin\u021be speciale de fiabilitate \u0219i securitate, izolate de influen\u021ba mediu-ului gazd\u0103 (mediu-ului gazd\u0103 este izolat \u00eentr-o ma\u0219in\u0103 virtual\u0103 separat\u0103). <\/p>\n<p>Principalele nout\u0103\u021bi Bareflank 2.0:<\/p>\n<ul>\n<li class=\"l\"> A fost ad\u0103ugat\u0103 suportul pentru lansarea Bareflank direct din UEFI pentru a rula ulterior sistemul de operare \u00eentr-o ma\u0219in\u0103 virtual\u0103;\n<li class=\"l\"> A fost implementat un nou manager de gestionare a memoriei, proiectat \u00een mod similar cu managerii de memorie SLAB\/Buddy din Linux. Noua gestionare a memoriei demonstreaz\u0103 o reducere a fragment\u0103rii, permite ob\u021binerea unor performan\u021be mai ridicate \u0219i sus\u021bine alocarea dinamic\u0103 a memoriei c\u0103tre hypervizor prin <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rianquinn\/bfdriver\">bfdriver<\/a><\/noindex>, ceea ce permite reducerea dimensiunii ini\u021biale a hypervizorului \u0219i scalarea optim\u0103 \u00een func\u021bie de num\u0103rul de nuclee CPU;\n<li class=\"l\"> Un nou sistem de construire bazat pe CMake, independent de interpretul de comenzi, care permite accelerarea semnificativ\u0103 a compil\u0103rii hypervizorului \u0219i simplific\u0103 suportul viitor pentru arhitecturi suplimentare, cum ar fi ARM;\n<li class=\"l\"> A fost reorganizat codul \u0219i simplificat\u0103 structura surselor. A fost \u00eembun\u0103t\u0103\u021bit suportul pentru proiectele \u00eenrudite, cum ar fi hyperkernel, f\u0103r\u0103 a necesita duplicarea codului. Codul este acum mai clar separat <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Bareflank\/hypervisor\/tree\/master\/bfvmm\">hypervisor<\/a><\/noindex>, bibliotecile unwind, runtime, instrumentele de gestionare, bootloaderul \u0219i SDK;\n<li class=\"l\"> Cele mai multe API-uri, \u00een locul mecanismelor de mo\u0219tenire utilizate anterior \u00een C++, au fost transformate pentru a utiliza <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\">delegarea<\/a><\/noindex>, ceea ce a permis simplificarea API-ului, cre\u0219terea performan\u021bei \u0219i reducerea consumului de resurse.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Sursa: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52279\">opennet.ro<\/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\/ro\/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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