{"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\/sv\/blog\/news\/vypusk-gipervizora-bareflank-3-0","title":{"rendered":"Utg\u00e5van av Bareflank hypervisor 3.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Release av Bareflank hypervisor 3.0, som erbjuder verktyg f\u00f6r snabb utveckling av specialiserade hypervisorer. Bareflank \u00e4r skriven i C++ och st\u00f6der C++ STL. Bareflanks modul\u00e4ra arkitektur m\u00f6jligg\u00f6r enkel utvidgning av befintliga hypervisorfunktioner och skapande av egna varianter av hypervisorer, b\u00e5de de som k\u00f6rs direkt p\u00e5 h\u00e5rdvaran (som Xen) och de som k\u00f6rs i en befintlig programmilj\u00f6 (som VirtualBox). Det finns m\u00f6jlighet att k\u00f6ra operativsystemet i v\u00e4rdmilj\u00f6n i en separat virtuell maskin. Koden f\u00f6r projektet distribueras under LGPL 2.1-licensen.      <\/p>\n<p>Bareflank st\u00f6der Linux, Windows och UEFI p\u00e5 64-bitars CPU:er fr\u00e5n Intel och AMD. F\u00f6r h\u00e5rdvaruavskiljning av resurser <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/vps\/\"   title=\"virtuella maskiner\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2073\">virtuella maskiner<\/a> anv\u00e4nds Intel VT-x-teknologin. I framtiden planeras st\u00f6d f\u00f6r macOS och BSD-system, samt m\u00f6jligheten att arbeta p\u00e5 ARM64-plattformen. Dessutom utvecklas ett eget drivrutinsprojekt f\u00f6r att ladda VMM (Virtual Machine Manager), en ELF-laddare f\u00f6r att ladda VVM-moduler, samt applikationen bfm f\u00f6r att hantera hypervisorn fr\u00e5n anv\u00e4ndarrummet. Verktyg f\u00f6r att skriva till\u00e4gg med element som definieras i specifikationerna C++11\/14 tillhandah\u00e5lls, tillsammans med ett bibliotek f\u00f6r stackavveckling (unwind) och ett eget runtime-bibliotek f\u00f6r st\u00f6d av anv\u00e4ndning av konstrukt\u00f6rer\/destrukt\u00f6rer och registrering av undantagshanterare.    <\/p>\n<p>Baserat p\u00e5 Bareflank utvecklas virtualiseringssystemet Boxy, som st\u00f6djer k\u00f6rning av g\u00e4stsystem och m\u00f6jligg\u00f6r anv\u00e4ndning av l\u00e4tta virtuella maskiner med Linux och Unikernel f\u00f6r k\u00f6rning av specialiserade tj\u00e4nster eller applikationer. I form av isolerade tj\u00e4nster kan b\u00e5de vanliga webbtj\u00e4nster och applikationer med s\u00e4rskilda krav p\u00e5 tillf\u00f6rlitlighet och s\u00e4kerhet k\u00f6ras, avskilda fr\u00e5n v\u00e4rdmilj\u00f6n (d\u00e4r v\u00e4rdmilj\u00f6n isoleras i en separat virtuell maskin). Bareflank ligger ocks\u00e5 till grund f\u00f6r hypervisorn MicroV, som \u00e4r avsedd f\u00f6r att k\u00f6ra minimaliska virtuella maskiner (<a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/vps\/abuzoustojchivye-vps\/\"   title=\"virtuell maskin\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4199\">virtuell maskin<\/a> en applikation), som implementerar KVM-API och \u00e4r l\u00e4mplig f\u00f6r skapande av kritiska system.    <\/p>\n<p>De fr\u00e4msta nyheterna i Bareflank 3.0:  <\/p>\n<ul>\n<li class=\"l\"> \u00d6verg\u00e5ng till anv\u00e4ndning av mikro-k\u00e4rnkonceptet. Tidigare hade hypervisorn en monolitisk arkitektur d\u00e4r det kr\u00e4vdes en speciell API f\u00f6r att registrera callback-anrop f\u00f6r att ut\u00f6ka funktionaliteten, vilket f\u00f6rsv\u00e5rade utvecklingen av till\u00e4gg p\u00e5 grund av beroendet av C++ och den interna strukturen. Den nya arkitekturen baserad p\u00e5 mikro-k\u00e4rnor inneb\u00e4r en uppdelning av hypervisorn i k\u00e4rnkomponenter som k\u00f6rs i skyddsniv\u00e5 noll och till\u00e4gg som k\u00f6rs p\u00e5 tredje niv\u00e5n (anv\u00e4ndarutrymme). B\u00e5da delarna arbetar i root-l\u00e4ge VMX, medan allt annat, inklusive v\u00e4rdmilj\u00f6n, k\u00f6rs i icke-root-l\u00e4ge VMX. Till\u00e4gg i anv\u00e4ndarutrymmet implementerar funktionaliteten hos en virtuell maskindirekt\u00f6r (VMM) och interagerar med hypervisorns k\u00e4rna genom systemanrop, f\u00f6r vilka bak\u00e5tkompatibilitet erbjuds. Till\u00e4gg kan skapas p\u00e5 alla programmeringsspr\u00e5k, inklusive anv\u00e4ndning av Rust.\n<li class=\"l\"> \u00d6verg\u00e5ngen till att anv\u00e4nda det egna BSL-biblioteket med st\u00f6d f\u00f6r Rust och C++ har genomf\u00f6rts, vilket ers\u00e4tter de externa biblioteken libc++ och newlib. Avskaffandet av externa beroenden har m\u00f6jliggjort att Bareflank f\u00e5r inbyggt st\u00f6d f\u00f6r kompilering i Windows f\u00f6r att f\u00f6renkla utvecklingen p\u00e5 denna plattform.\n<li class=\"l\"> St\u00f6d f\u00f6r AMD-processorer har lagts till. Dessutom utvecklas Bareflank nu p\u00e5 ett system med AMD CPU och porteras f\u00f6rst senare f\u00f6r Intel CPU.\n<li class=\"l\"> I bootloadern har st\u00f6d f\u00f6r ARMv8-arkitekturen lagts till, och anpassningen av hypervisorn f\u00f6r detta kommer att slutf\u00f6ras i en av de kommande versionerna.\n<li class=\"l\"> \u00d6verensst\u00e4mmelse med kraven f\u00f6r utveckling av kritiska system som formulerats av organisationerna AUTOSAR och MISRA har s\u00e4kerst\u00e4llts.   <\/ul>\n<p>K\u00e4lla: <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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