{"id":100278,"date":"2021-05-25T22:22:48","date_gmt":"2021-05-25T20:22:49","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-nachal-ustanovku-os-fuchsia-na-ustrojstva-nest-hub"},"modified":"2021-05-25T22:22:48","modified_gmt":"2021-05-25T20:22:49","slug":"google-nachal-ustanovku-os-fuchsia-na-ustrojstva-nest-hub","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/google-nachal-ustanovku-os-fuchsia-na-ustrojstva-nest-hub","title":{"rendered":"O Google come\u00e7ou a instala\u00e7\u00e3o do sistema operacional Fuchsia nos dispositivos Nest Hub","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Petr Hosek, que lidera a equipe do Google respons\u00e1vel pelos sistemas de constru\u00e7\u00e3o, compiladores e ferramentas para desenvolvedores, apresentou o primeiro dispositivo que vir\u00e1 com o sistema operacional Fuchsia. O firmware baseado em Fuchsia come\u00e7ar\u00e1 a ser entregue para as molduras inteligentes de fotos Nest Hub como parte de uma atualiza\u00e7\u00e3o experimental para os participantes do programa Google Preview Program.     <\/p>\n<p>Se n\u00e3o surgirem problemas imprevistos durante a implementa\u00e7\u00e3o do teste, o firmware baseado em Fuchsia ser\u00e1 aplicado aos dispositivos restantes dos usu\u00e1rios do Nest Hub que n\u00e3o notar\u00e3o diferen\u00e7as, uma vez que a interface, constru\u00edda com a estrutura Flutter, permanecer\u00e1 a mesma; apenas os componentes de baixo n\u00edvel do sistema operacional ser\u00e3o alterados. Anteriormente, nos dispositivos Google Nest Hub lan\u00e7ados desde 2018, que combinam fun\u00e7\u00f5es de moldura para fotos, sistema de multim\u00eddia e interface para controle de casa inteligente, foi utilizado um firmware baseado na interface Cast e no n\u00facleo Linux.      <\/p>\n<p>Vale lembrar que, desde 2016, a Google est\u00e1 desenvolvendo o sistema operacional universal Fuchsia, que pode operar em qualquer tipo de dispositivo, desde esta\u00e7\u00f5es de trabalho e smartphones at\u00e9 dispositivos embutidos e eletr\u00f4nicos de consumo. O desenvolvimento leva em conta a experi\u00eancia na cria\u00e7\u00e3o da plataforma Android e considera as defici\u00eancias em escalabilidade e seguran\u00e7a.     <\/p>\n<p>O sistema \u00e9 baseado no microkernel Zircon, que se baseia nos desenvolvimentos do projeto LK, ampliado para uso em v\u00e1rias classes de dispositivos, incluindo smartphones e computadores pessoais. O Zircon expande o LK com suporte a processos e bibliotecas compartilhadas, n\u00edvel de usu\u00e1rio, sistema de manipula\u00e7\u00e3o de objetos e modelo de seguran\u00e7a baseado em capability. Os drivers s\u00e3o implementados na forma de bibliotecas din\u00e2micas que operam no espa\u00e7o do usu\u00e1rio, carregadas pelo processo devhost e gerenciadas pelo gerenciador de dispositivos (devmg, Device Manager).    <\/p>\n<p>Para o Fuchsia, foi desenvolvido uma interface gr\u00e1fica pr\u00f3pria, escrita na linguagem Dart usando o framework Flutter. O projeto tamb\u00e9m desenvolve o framework Peridot para a cria\u00e7\u00e3o de interfaces de usu\u00e1rio, o gerenciador de pacotes Fargo, a biblioteca padr\u00e3o libc, o sistema de renderiza\u00e7\u00e3o Escher, o driver Vulkan Magma, o gerenciador de composi\u00e7\u00e3o Scenic, os sistemas de arquivos MinFS, MemFS, ThinFS (FAT na linguagem Go) e Blobfs, assim como o gerenciador de parti\u00e7\u00f5es FVM. Para o desenvolvimento de aplicativos, h\u00e1 suporte para as linguagens C\/C++, Dart, e nos componentes do sistema tamb\u00e9m \u00e9 permitido o uso de Rust, no stack de rede Go, e no sistema de constru\u00e7\u00e3o da linguagem Python.    <\/p>\n<p><center><img decoding=\"async\" alt=\"O Google come\u00e7ou a instala\u00e7\u00e3o do sistema operacional Fuchsia nos dispositivos Nest Hub\" src=\"\/wp-content\/uploads\/2021\/05\/68d69a74e074d2b3fe74eb6f4be018e3.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>Durante o processo de inicializa\u00e7\u00e3o, utiliza-se um gerenciador de sistema, que inclui o appmgr para criar o ambiente de programa inicial, sysmgr para configurar o ambiente de inicializa\u00e7\u00e3o e basemgr para definir o ambiente do usu\u00e1rio e organizar o login no sistema. Para garantir a seguran\u00e7a, \u00e9 oferecido um avan\u00e7ado sistema de isolamento sandbox, onde novos processos n\u00e3o t\u00eam acesso aos objetos do kernel, n\u00e3o podem alocar mem\u00f3ria e n\u00e3o podem executar c\u00f3digo, e para acesso a recursos \u00e9 aplicada uma sistema de espa\u00e7os de nome, determinando as permiss\u00f5es dispon\u00edveis. A plataforma fornece um framework para a cria\u00e7\u00e3o de componentes, que s\u00e3o programas que s\u00e3o executados em seu pr\u00f3prio sandbox e podem interagir uns com os outros atrav\u00e9s de IPC.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55207\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0435\u0442\u0440 \u0425\u043e\u0441\u0435\u043a (Petr Hosek), \u0432\u043e\u0437\u0433\u043b\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0432 Google \u043a\u043e\u043c\u0430\u043d\u0434\u0443, \u043e\u0442\u0432\u0435\u0447\u0430\u044e\u0449\u0443\u044e \u0437\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0441\u0431\u043e\u0440\u043a\u0438, \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u044b \u0438 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u043f\u0435\u0440\u0432\u043e\u0435 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0431\u0443\u0434\u0435\u0442 \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0442\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u043e\u0439 Fuchsia. \u041f\u0440\u043e\u0448\u0438\u0432\u043a\u0430 \u043d\u0430 \u0431\u0430\u0437\u0435 Fuchsia \u043d\u0430\u0447\u043d\u0451\u0442 \u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0442\u044c\u0441\u044f \u0432 \u0443\u043c\u043d\u044b\u0435 \u0440\u0430\u043c\u043a\u0438 \u0434\u043b\u044f \u0444\u043e\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0439 Nest Hub \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0443\u0447\u0430\u0441\u0442\u043d\u0438\u043a\u043e\u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b Google Preview Program. \u0415\u0441\u043b\u0438 \u0432 \u0445\u043e\u0434\u0435 \u043f\u0440\u043e\u0431\u043d\u043e\u0433\u043e \u0432\u043d\u0435\u0434\u0440\u0435\u043d\u0438\u044f \u043d\u0435 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":100279,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-100278","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 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