{"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\/pt\/blog\/vypusk-gipervizora-bareflank-2-0","title":{"rendered":"Lan\u00e7amento do hipervisor 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\">Aconteceu<\/a><\/noindex> lan\u00e7amento do hipervisor <noindex><a rel=\"nofollow\" href=\"http:\/\/bareflank.github.io\/hypervisor\/\">Bareflank 2.0<\/a><\/noindex>, que fornece ferramentas para o desenvolvimento r\u00e1pido de hipervisores especializados. O Bareflank \u00e9 escrito em C++ e suporta C++ STL. A arquitetura modular do Bareflank permite expandir facilmente as funcionalidades do hipervisor existente e criar variantes pr\u00f3prias de hipervisores, tanto operando diretamente em hardware (como Xen) quanto executando em um ambiente de software existente (como VirtualBox). H\u00e1 a possibilidade de executar o sistema operacional do ambiente host em uma m\u00e1quina virtual separada. O c\u00f3digo do projeto <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Bareflank\/hypervisor\">\u00e9 distribu\u00eddo<\/a><\/noindex> \u00e9 licenciado sob a LGPL 2.1.<\/p>\n<p>O Bareflank implementa suporte para Linux, Windows e UEFI em CPUs Intel de 64 bits. A tecnologia Intel VT-x \u00e9 utilizada para a divis\u00e3o de recursos das m\u00e1quinas virtuais. Futuramente, est\u00e1 prevista a adi\u00e7\u00e3o de suporte para macOS e sistemas BSD, assim como a possibilidade de execu\u00e7\u00e3o em plataformas ARM64 e AMD. O projeto tamb\u00e9m est\u00e1 desenvolvendo seu pr\u00f3prio driver para carregar o VMM (Gerenciador de M\u00e1quinas Virtuais), um carregador ELF para carregar m\u00f3dulos do VVM, e uma aplica\u00e7\u00e3o bfm para gerenciar o hipervisor a partir do espa\u00e7o do usu\u00e1rio. Ferramentas s\u00e3o fornecidas para a escrita de extens\u00f5es usando elementos definidos nas especifica\u00e7\u00f5es C++11\/14, uma biblioteca para manipula\u00e7\u00e3o de exce\u00e7\u00f5es (unwind), al\u00e9m de sua pr\u00f3pria biblioteca runtime para suportar o uso de construtores\/destrutores e registro de manipuladores de exce\u00e7\u00f5es.<\/p>\n<p>Baseado no Bareflank, est\u00e1 sendo desenvolvida uma sistema de virtualiza\u00e7\u00e3o <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Bareflank\/boxy\">Boxy<\/a><\/noindex>, que suporta a execu\u00e7\u00e3o de sistemas convidados e permite o uso de m\u00e1quinas virtuais leves com Linux e Unikernel para rodar servi\u00e7os ou aplica\u00e7\u00f5es especializadas. Em forma de servi\u00e7os isolados, \u00e9 poss\u00edvel executar tanto servi\u00e7os web comuns quanto aplica\u00e7\u00f5es com requisitos especiais de confiabilidade e seguran\u00e7a, livres da influ\u00eancia do ambiente host (o ambiente host \u00e9 isolado em uma m\u00e1quina virtual separada). <\/p>\n<p>Principais novidades do Bareflank 2.0:<\/p>\n<ul>\n<li class=\"l\"> Adicionada a suporte para iniciar o Bareflank diretamente do UEFI para a execu\u00e7\u00e3o subsequente do sistema operacional em uma m\u00e1quina virtual;\n<li class=\"l\"> Um novo gerenciador de mem\u00f3ria foi implementado, projetado de forma semelhante aos gerenciadores de mem\u00f3ria SLAB\/Buddy no Linux. O novo gerenciador de mem\u00f3ria demonstra uma redu\u00e7\u00e3o na fragmenta\u00e7\u00e3o, proporciona melhor desempenho e suporta a aloca\u00e7\u00e3o din\u00e2mica de mem\u00f3ria para o hipervisor atrav\u00e9s de <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rianquinn\/bfdriver\">bfdriver<\/a><\/noindex>, o que reduz o tamanho inicial do hipervisor e permite escalonamento ideal com base no n\u00famero de n\u00facleos de CPU;\n<li class=\"l\"> Um novo sistema de build baseado em CMake, independente do interpretador de comandos, que possibilita uma acelera\u00e7\u00e3o significativa da compila\u00e7\u00e3o do hipervisor e simplifica o suporte futuro a arquiteturas adicionais, como ARM;\n<li class=\"l\"> O c\u00f3digo foi reorganizado e a estrutura dos arquivos fonte foi simplificada. Apoiou-se melhor projetos relacionados, como hyperkernel, sem a necessidade de duplicar c\u00f3digo. O c\u00f3digo foi claramente separado <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Bareflank\/hypervisor\/tree\/master\/bfvmm\">do hipervisor<\/a><\/noindex>, da biblioteca unwind, do runtime, da ferramenta de gerenciamento, do carregador e do SDK;\n<li class=\"l\"> A maior parte da API, em vez dos mecanismos de heran\u00e7a em C++ anteriormente utilizados, foi convertida para delega\u00e7\u00e3o <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\">, o que simplificou a API, aumentou o desempenho e reduziu o consumo de recursos.<\/a><\/noindex>Foi apresentado um novo cliente de comunica\u00e7\u00e3o, o Dino.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <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 5.0.3 - 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\/pt\/blog\/vypusk-gipervizora-bareflank-2-0\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" 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