{"id":104497,"date":"2022-06-24T09:36:39","date_gmt":"2022-06-24T07:36:40","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-nachal-rasprostranenie-proshivki-na-baze-os-fuchsia-dlya-ustrojstv-nest-hub-max"},"modified":"2022-06-24T09:36:39","modified_gmt":"2022-06-24T07:36:40","slug":"google-nachal-rasprostranenie-proshivki-na-baze-os-fuchsia-dlya-ustrojstv-nest-hub-max","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/google-nachal-rasprostranenie-proshivki-na-baze-os-fuchsia-dlya-ustrojstv-nest-hub-max","title":{"rendered":"A Google megkezdte a Fuchsia OS alap\u00fa firmware terjeszt\u00e9s\u00e9t a Nest Hub Max eszk\u00f6z\u00f6kh\u00f6z","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Google elkezdte terjeszteni az \u00faj, Fuchsia oper\u00e1ci\u00f3s rendszerre \u00e9p\u00fcl\u0151 firmware-t a 2019 \u00f3ta forgalomban l\u00e9v\u0151 Nest Hub Max okos k\u00e9pkock\u00e1khoz. Az els\u0151 l\u00e9p\u00e9sben a Fuchsia alap\u00fa firmware a Google Preview Program r\u00e9sztvev\u0151ihez fog eljutni, \u00e9s ha a tesztel\u00e9s sor\u00e1n nem mer\u00fclnek fel v\u00e1ratlan probl\u00e9m\u00e1k, a firmware-t a t\u00f6bbi Nest Hub Max felhaszn\u00e1l\u00f3ra is alkalmazni fogj\u00e1k. <\/p>\n

A Nest Hub Max k\u00e9pkocka a m\u00e1sodik fogyaszt\u00f3i eszk\u00f6z lett, amely a Fuchsia oper\u00e1ci\u00f3s rendszerrel van felszerelve. Az els\u0151 Fuchsia alap\u00fa firmware-t egy \u00e9vvel ezel\u0151tt a Nest Hub kapta, amely kisebb k\u00e9perny\u0151vel rendelkezik, \u00e9s nem tartalmaz be\u00e9p\u00edtett kamer\u00e1t, amely a megfigyel\u0151rendszer \u00e9s a biztons\u00e1gi funkci\u00f3khoz haszn\u00e1latos. Annak ellen\u00e9re, hogy az oper\u00e1ci\u00f3s rendszer a firmware-ben megv\u00e1ltozott, a felhaszn\u00e1l\u00f3i fel\u00fclet \u00e9s a funkcionalit\u00e1s teljesen megmaradt, \u00e9s a v\u00e9gfelhaszn\u00e1l\u00f3k nem fognak \u00e9szrevenni k\u00fcl\u00f6nbs\u00e9geket, mivel a fel\u00fclet a Flutter keretrendszerre \u00e9p\u00fcl, \u00e9s el van absztrah\u00e1lva az alacsony szint\u0171 komponensekt\u0151l. A Nest Hub Max eszk\u00f6z\u00f6k, amelyek a f\u00e9nyk\u00e9pkeret, a multim\u00e9di\u00e1s rendszer \u00e9s az okosotthon ir\u00e1ny\u00edt\u00e1s\u00e1hoz sz\u00fcks\u00e9ges fel\u00fclet funkci\u00f3it kombin\u00e1lj\u00e1k, kor\u00e1bban Cast fel\u00fcleten \u00e9s Linux kernelen alapul\u00f3 firmware-t haszn\u00e1ltak. <\/p>\n

A Fuchsia oper\u00e1ci\u00f3s rendszert a Google 2016 \u00f3ta fejleszti, figyelembe v\u00e9ve az Android platform sk\u00e1l\u00e1zhat\u00f3s\u00e1gi \u00e9s biztons\u00e1gi hi\u00e1nyoss\u00e1gait. A rendszer a Zircon mikrokernelre \u00e9p\u00fcl, amely az LK projekt alapjaira \u00e9p\u00fcl, \u00e9s k\u00fcl\u00f6nb\u00f6z\u0151 eszk\u00f6zt\u00edpusokra, bele\u00e9rtve az okostelefonokat \u00e9s a sz\u00e1m\u00edt\u00f3g\u00e9peket, val\u00f3 alkalmaz\u00e1sra lett kiterjesztve. A Zircon kiterjeszti az LK-t a folyamatok \u00e9s a megosztott k\u00f6nyvt\u00e1rak, a felhaszn\u00e1l\u00f3i szint, az objektumkezel\u0151 rendszer \u00e9s a capability alap\u00fa biztons\u00e1gi modell t\u00e1mogat\u00e1s\u00e1val. A meghajt\u00f3k olyan dinamikus k\u00f6nyvt\u00e1rakk\u00e9nt val\u00f3sulnak meg, amelyek felhaszn\u00e1l\u00f3i t\u00e9rben m\u0171k\u00f6dnek, a devhost folyamat t\u00f6lti be \u0151ket, \u00e9s az eszk\u00f6zkezel\u0151 (devmg, Device Manager) ir\u00e1ny\u00edtja \u0151ket. <\/p>\n

A Fuchsia saj\u00e1t grafikus fel\u00fcletet k\u00e9sz\u00edtett Dart nyelven, a Flutter keretrendszer haszn\u00e1lat\u00e1val. A projekt r\u00e9szek\u00e9nt fejlesztik a Peridot felhaszn\u00e1l\u00f3i fel\u00fclet \u00e9p\u00edt\u0151 keretrendszert, a Fargo csomagkezel\u0151t, a libc standard k\u00f6nyvt\u00e1rat, az Escher renderel\u0151 rendszert, a Magma Vulkan-illeszt\u0151programot, a Scenic \u00f6ssze\u00e1ll\u00edt\u00f3 menedzsert, a MinFS, MemFS, ThinFS (Go nyelven \u00edrt FAT) \u00e9s Blobfs f\u00e1jlrendszereket, valamint az FVM part\u00edci\u00f3kezel\u0151t. Az alkalmaz\u00e1sfejleszt\u00e9shez t\u00e1mogatott nyelvek k\u00f6z\u00e9 tartozik a C\/C++, Dart, a rendszerszint\u0171 komponensekben pedig Rust, a h\u00e1l\u00f3zati veremben Go, a build rendszerben pedig Python haszn\u00e1lata is megengedett. <\/p>\n

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

A bet\u00f6lt\u00e9s sor\u00e1n egy rendszermenedszer m\u0171k\u00f6dik, amely tartalmazza az appmgr-t az alap programk\u00f6rnyezet l\u00e9trehoz\u00e1s\u00e1hoz, a sysmgr-t a bet\u00f6lt\u00e9si k\u00f6rnyezet kialak\u00edt\u00e1s\u00e1hoz \u00e9s a basemgr-t a felhaszn\u00e1l\u00f3i k\u00f6rnyezet be\u00e1ll\u00edt\u00e1s\u00e1hoz \u00e9s a rendszerbe val\u00f3 bel\u00e9p\u00e9s szervez\u00e9s\u00e9hez. A biztons\u00e1g \u00e9rdek\u00e9ben egy fejlett sandbox-izol\u00e1ci\u00f3s rendszert k\u00edn\u00e1l, amelyben az \u00faj folyamatok nem f\u00e9rnek hozz\u00e1 a kernel objektumaihoz, nem tudnak mem\u00f3ri\u00e1t allok\u00e1lni \u00e9s nem tudnak k\u00f3dot futtatni; az er\u0151forr\u00e1sokhoz val\u00f3 hozz\u00e1f\u00e9r\u00e9st egy n\u00e9vt\u00e9r rendszer hat\u00e1rozza meg, amely meghat\u00e1rozza a rendelkez\u00e9sre \u00e1ll\u00f3 jogosults\u00e1gokat. A platform keretrendszert biztos\u00edt a sandboxban fut\u00f3 programokat k\u00e9pvisel\u0151 komponensek l\u00e9trehoz\u00e1s\u00e1hoz, amelyek m\u00e1s komponensekkel IPC-n kereszt\u00fcl l\u00e9phetnek interakci\u00f3ba.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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