{"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\/cs\/blog\/news\/google-nachal-ustanovku-os-fuchsia-na-ustrojstva-nest-hub","title":{"rendered":"Google za\u010dal instalaci OS Fuchsia na za\u0159\u00edzen\u00ed Nest Hub","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Petr Hosek, vedouc\u00ed t\u00fdmu v Googlu, kter\u00fd se zab\u00fdv\u00e1 syst\u00e9my sestaven\u00ed, kompil\u00e1tory a n\u00e1stroji pro v\u00fdvoj\u00e1\u0159e, p\u0159edstavil prvn\u00ed za\u0159\u00edzen\u00ed, kter\u00e9 bude dod\u00e1v\u00e1no s opera\u010dn\u00edm syst\u00e9mem Fuchsia. Firmwarov\u00e1 verze zalo\u017een\u00e1 na Fuchsia za\u010dne b\u00fdt dod\u00e1v\u00e1na do inteligentn\u00edch r\u00e1mc\u016f pro fotografie Nest Hub v r\u00e1mci experiment\u00e1ln\u00ed aktualizace pro \u00fa\u010dastn\u00edky programu Google Preview Program. <\/p>\n

Pokud b\u011bhem zku\u0161ebn\u00ed implementace nevzniknou nep\u0159edv\u00eddan\u00e9 probl\u00e9my, bude firmwarov\u00e1 verze zalo\u017een\u00e1 na Fuchsia aplikov\u00e1na i na za\u0159\u00edzen\u00ed ostatn\u00edch u\u017eivatel\u016f Nest Hub, kte\u0159\u00ed si nev\u0161imnou rozd\u00edl\u016f, proto\u017ee rozhran\u00ed postaven\u00e9 na r\u00e1mce Flutter z\u016fstane stejn\u00e9, zm\u011bn\u00ed se pouze n\u00edzko\u00farov\u0148ov\u00e9 komponenty opera\u010dn\u00edho syst\u00e9mu. D\u0159\u00edve pou\u017e\u00edvan\u00e9 firmwary zalo\u017een\u00e9 na prost\u0159ed\u00ed Cast a j\u00e1dru Linux byly nasazeny do za\u0159\u00edzen\u00ed Google Nest Hub vyr\u00e1b\u011bn\u00fdch od roku 2018, kter\u00e1 kombinuj\u00ed funkce r\u00e1mce pro fotografie, multimedi\u00e1ln\u00edho syst\u00e9mu a rozhran\u00ed pro ovl\u00e1d\u00e1n\u00ed chytr\u00e9 dom\u00e1cnosti. <\/p>\n

P\u0159ipom\u00edn\u00e1me, \u017ee v r\u00e1mci projektu Fuchsia vyv\u00edj\u00ed Google od roku 2016 univerz\u00e1ln\u00ed opera\u010dn\u00ed syst\u00e9m, kter\u00fd dok\u00e1\u017ee fungovat na v\u0161ech typech za\u0159\u00edzen\u00ed, od pracovn\u00edch stanic a smartphon\u016f po vestav\u011bn\u00e1 a spot\u0159ebitelsk\u00e1 za\u0159\u00edzen\u00ed. V\u00fdvoj se op\u00edr\u00e1 o zku\u0161enosti s vytv\u00e1\u0159en\u00edm platformy Android a zohled\u0148uje nedostatky v oblasti \u0161k\u00e1lovatelnosti a zabezpe\u010den\u00ed. <\/p>\n

Syst\u00e9m je zalo\u017een na mikroj\u00e1dru Zircon, kter\u00e9 vych\u00e1z\u00ed z pracovn\u00edho projektu LK, roz\u0161\u00ed\u0159en\u00e9ho pro pou\u017eit\u00ed na r\u016fzn\u00fdch typech za\u0159\u00edzen\u00ed, v\u010detn\u011b smartphon\u016f a osobn\u00edch po\u010d\u00edta\u010d\u016f. Zircon roz\u0161i\u0159uje LK podporou proces\u016f a sd\u00edlen\u00fdch knihoven, u\u017eivatelsk\u00fdm \u00farovn\u00ed, syst\u00e9mem zpracov\u00e1n\u00ed objekt\u016f a modelem zabezpe\u010den\u00ed zalo\u017een\u00fdm na capabilities. Ovlada\u010de jsou implementov\u00e1ny jako dynamick\u00e9 knihovny b\u011b\u017e\u00edc\u00ed v u\u017eivatelsk\u00e9m prostoru, kter\u00e9 jsou na\u010d\u00edt\u00e1ny procesem devhost a spravov\u00e1ny spr\u00e1vcem za\u0159\u00edzen\u00ed (devmg, Device Manager). <\/p>\n

Pro Fuchsia byl p\u0159ipraven vlastn\u00ed grafick\u00fd u\u017eivatelsk\u00fd rozhran\u00ed napsan\u00e9 jazykem Dart s vyu\u017eit\u00edm frameworku Flutter. Projekt tak\u00e9 vyv\u00edj\u00ed framework pro vytv\u00e1\u0159en\u00ed u\u017eivatelsk\u00fdch rozhran\u00ed Peridot, spr\u00e1vce bal\u00ed\u010dk\u016f Fargo, standardn\u00ed knihovnu libc, rendering syst\u00e9m Escher, Vulkan ovlada\u010d Magma, kompozitn\u00ed mana\u017eer Scenic, souborov\u00e9 syst\u00e9my MinFS, MemFS, ThinFS (FAT napsan\u00e9 v Go) a Blobfs, stejn\u011b jako spr\u00e1vce odd\u00edl\u016f FVM. Pro v\u00fdvoj aplikac\u00ed je zaji\u0161t\u011bna podpora jazyk\u016f C\/C++, Dart, v syst\u00e9mov\u00fdch komponent\u00e1ch je tak\u00e9 povoleno pou\u017eit\u00ed Rust, v s\u00ed\u0165ov\u00e9m stacku Go, a v syst\u00e9mu pro sestaven\u00ed jazyk Python. <\/p>\n

\"Google<\/center> <\/p>\n

B\u011bhem zav\u00e1d\u011bn\u00ed se pou\u017e\u00edv\u00e1 syst\u00e9mov\u00fd spr\u00e1vce, kter\u00fd zahrnuje appmgr pro vytvo\u0159en\u00ed po\u010d\u00e1te\u010dn\u00edho programov\u00e9ho prost\u0159ed\u00ed, sysmgr pro formov\u00e1n\u00ed zav\u00e1d\u011bc\u00edho prost\u0159ed\u00ed a basemgr pro nastaven\u00ed u\u017eivatelsk\u00e9ho prost\u0159ed\u00ed a organizaci p\u0159ihl\u00e1\u0161en\u00ed do syst\u00e9mu. Pro zabezpe\u010den\u00ed je nab\u00edzena pokro\u010dil\u00e1 syst\u00e9mov\u00e1 sandboxov\u00e1 izolace, ve kter\u00e9 nov\u00e9 procesy nemaj\u00ed p\u0159\u00edstup k objekt\u016fm j\u00e1dra, nemohou alokovat pam\u011b\u0165 a nemohou spou\u0161t\u011bt k\u00f3d, a pro p\u0159\u00edstup k zdroj\u016fm se pou\u017e\u00edv\u00e1 syst\u00e9m prostor\u016f n\u00e1zv\u016f, kter\u00fd ur\u010duje dostupn\u00e9 pravomoci. Platforma poskytuje framework pro vytv\u00e1\u0159en\u00ed komponent\u016f, kter\u00e9 jsou programy b\u011b\u017e\u00edc\u00edmi ve sv\u00e9m sandboxu a kter\u00e9 mohou interagovat s jin\u00fdmi komponenty prost\u0159ednictv\u00edm IPC.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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 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