{"id":37690,"date":"2019-10-31T22:19:07","date_gmt":"2019-10-31T19:19:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-gipervizora-dlya-vstraivaemyh-ustrojstv-acrn-1-2-razvivaemogo-v-linux-foundation\/"},"modified":"2019-10-31T22:19:07","modified_gmt":"2019-10-31T19:19:07","slug":"vypusk-gipervizora-dlya-vstraivaemyh-ustrojstv-acrn-1-2-razvivaemogo-v-linux-foundation","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-gipervizora-dlya-vstraivaemyh-ustrojstv-acrn-1-2-razvivaemogo-v-linux-foundation","title":{"rendered":"Lan\u00e7amento do hipervisor para dispositivos incorporados ACRN 1.2, desenvolvido na Linux Foundation","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A organiza\u00e7\u00e3o Linux Foundation <noindex><a rel=\"nofollow\" href=\"https:\/\/projectacrn.org\/acrn-project-releases-version-1-2\/\">apresentou<\/a><\/noindex> lan\u00e7amento de hipervisor especializado <noindex><a rel=\"nofollow\" href=\"https:\/\/projectacrn.org\/\">ACRN 1.2<\/a><\/noindex>, destinado \u00e0 aplica\u00e7\u00e3o em tecnologia embarcada e dispositivos da Internet das Coisas (IoT). O c\u00f3digo do hipervisor \u00e9 baseado no hipervisor leve desenvolvido pela Intel para dispositivos embarcados e <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/projectacrn\/acrn-hypervisor\">\u00e9 distribu\u00eddo<\/a><\/noindex> sob a licen\u00e7a BSD.<\/p>\n<p>O hipervisor foi desenvolvido com a inten\u00e7\u00e3o de atender tarefas em tempo real e ser adequado para uso em sistemas cr\u00edticos, operando em hardware com recursos limitados. O projeto busca ocupar uma posi\u00e7\u00e3o entre hipervisores aplicados em sistemas de nuvem e datacenters e hipervisores para sistemas industriais com forte divis\u00e3o de recursos. Como exemplo de uso do ACRN, podem ser citados m\u00f3dulos eletr\u00f4nicos de controle, pain\u00e9is de instrumentos e sistemas de informa\u00e7\u00e3o automotivos, mas o hipervisor tamb\u00e9m \u00e9 adequado para dispositivos IoT de consumo e outras aplica\u00e7\u00f5es embarcadas. <\/p>\n<p>ACRN garante custos m\u00ednimos e consiste em apenas 25 mil linhas de c\u00f3digo (para compara\u00e7\u00e3o, hipervisores usados em sistemas de nuvem cont\u00eam cerca de 150 mil linhas de c\u00f3digo). Apesar disso, o ACRN assegura baixa lat\u00eancia e uma resposta adequada na intera\u00e7\u00e3o com o hardware. Suporta virtualiza\u00e7\u00e3o de recursos de CPU, entrada\/sa\u00edda, subsistema de rede, opera\u00e7\u00f5es gr\u00e1ficas e de \u00e1udio. Um conjunto de mediadores de entrada\/sa\u00edda \u00e9 fornecido para acesso compartilhado a recursos comuns entre todas as VMs.<\/p>\n<p>ACRN \u00e9 um hipervisor de tipo 1 (executado diretamente sobre o hardware) e permite a execu\u00e7\u00e3o simult\u00e2nea de v\u00e1rias m\u00e1quinas convidadas, nas quais podem ser executadas distribui\u00e7\u00f5es Linux, RTOS, Android e outros sistemas operacionais. O projeto \u00e9 composto por dois componentes principais: <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/projectacrn\/acrn-hypervisor\">do hipervisor<\/a><\/noindex> e seu <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/projectacrn\/acrn-devicemodel\">modelo de dispositivos<\/a><\/noindex> com um rico conjunto de mediadores de entrada\/sa\u00edda, que organizam o acesso compartilhado a dispositivos entre sistemas convidados. O gerenciamento do hipervisor \u00e9 realizado a partir do sistema operacional de servi\u00e7o, que desempenha as fun\u00e7\u00f5es de sistema anfitri\u00e3o e cont\u00e9m componentes para traduzir as solicita\u00e7\u00f5es de outros sistemas convidados para o hardware.<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/projectacrn.org\/wp-content\/uploads\/sites\/59\/2019\/08\/PictureForR1_2-768x396.png\"><img decoding=\"async\" alt=\"Lan\u00e7amento do hipervisor para dispositivos incorporados ACRN 1.2, desenvolvido na Linux Foundation\" src=\"\/wp-content\/uploads\/2019\/09\/47d07b7e0eb35d87b226128c5afe872b.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Principais <noindex><a rel=\"nofollow\" href=\"https:\/\/projectacrn.github.io\/latest\/release_notes\/release_notes_1.2.html\">mudan\u00e7as<\/a><\/noindex> em ACRN 1.2:<\/p>\n<ul>\n<li class=\"l\"> A capacidade de usar firmwares <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tianocore\/tianocore.github.io\/wiki\/OVMF\">Tianocore\/OVMF<\/a><\/noindex> como um carregador virtual para o sistema operacional de servi\u00e7o (sistema host), capaz de iniciar Clearlinux, VxWorks e Windows. O modo de inicializa\u00e7\u00e3o verificada (Secure boot) \u00e9 suportado;\n<li class=\"l\"> Suporte a cont\u00eaineres <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=48642\">Kata<\/a><\/noindex>;\n<li class=\"l\"> Para sistemas convidados com Windows (WaaG), um mediador foi adicionado para acessar o controlador USB host (xHCI);\n<li class=\"l\"> Virtualiza\u00e7\u00e3o do Always Running Timer adicionada (<noindex><a rel=\"nofollow\" href=\"https:\/\/lore.kernel.org\/patchwork\/patch\/654622\/\">ART<\/a><\/noindex>).\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=51399\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f Linux Foundation \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0432\u044b\u043f\u0443\u0441\u043a \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 ACRN 1.2, \u0440\u0430\u0441\u0441\u0447\u0438\u0442\u0430\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0432\u043e \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u0442\u0435\u0445\u043d\u0438\u043a\u0435 \u0438 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445 \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u0430 \u0432\u0435\u0449\u0435\u0439 (IoT). \u041a\u043e\u0434 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 \u043e\u0441\u043d\u043e\u0432\u0430\u043d \u043d\u0430 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u043c \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Intel \u043b\u0435\u0433\u043a\u043e\u0432\u0435\u0441\u043d\u043e\u043c \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0435 \u0434\u043b\u044f \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 BSD. \u0413\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u0441 \u043e\u0433\u043b\u044f\u0434\u043a\u043e\u0439 \u043d\u0430 \u0433\u043e\u0442\u043e\u0432\u043d\u043e\u0441\u0442\u044c \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0437\u0430\u0434\u0430\u0447 \u0440\u0435\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0438 \u043f\u0440\u0438\u0433\u043e\u0434\u043d\u043e\u0441\u0442\u044c \u043a \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044e \u0432 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0432\u0430\u0436\u043d\u044b\u0445 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":28285,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-37690","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f Linux Foundation \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0432\u044b\u043f\u0443\u0441\u043a 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