{"id":147115,"date":"2025-11-02T11:12:32","date_gmt":"2025-11-02T09:12:32","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/predstavlen-port-yadra-linux-dlya-webassembly-zapuskaemyj-v-brauzere"},"modified":"2025-11-02T11:12:32","modified_gmt":"2025-11-02T09:12:32","slug":"predstavlen-port-yadra-linux-dlya-webassembly-zapuskaemyj-v-brauzere","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/predstavlen-port-yadra-linux-dlya-webassembly-zapuskaemyj-v-brauzere","title":{"rendered":"Esitati Linuxi tuumide WebAssembly port, mis t\u00f6\u00f6tab brauseris","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Linuxi tuuma arendajate postitusse on lisatud kiirus, mis rakendab \"Wasm\" arhitektuuri Linuxi tuuma jaoks, v\u00f5imaldades kompileerida tuuma WebAssembly vahe-koodiks, et seda saaks otse veebibrauseris k\u00e4ivitada ilma emulaatorite kasutamiseta. Lisaks on Linuxi tuumale projekti poolt loodud v\u00f5imalus k\u00e4ivitada .wasm formaadis k\u00e4ivitatavaid faile ning valmistatud on \"web console\" draiver, et simuleerida konsoolit\u00f6\u00f6d brauseris. Samuti on v\u00e4lja t\u00f6\u00f6tatud t\u00f6\u00f6riistakomplekt, et lihtsustada brauseris k\u00e4ivitatavate s\u00fcsteemsete keskkondade kokkupanekut. <\/p>\n

N\u00e4idisena on loodud keskkond, mis p\u00f5hineb BusyBoxi ja s\u00fcsteembiblioteegi musl'i WebAssembly'sse kompileeritud utiliitide komplektil. Sarnase keskkonna jaoks kasutatakse terminali emulaatorina Xterm.js. Eraldi on k\u00e4ivitatud demo leht, mis v\u00f5imaldab hinnata porti t\u00f6\u00f6d ilma iseseisva kompileerimiseta. K\u00f5ikide Chromiumi p\u00f5hiliste brauserite tugi on t\u00e4ielik ning Firefoxi tugi on osaline, kus debugging'u v\u00f5imalused on piiratud. Kaasaegsetel arvutitel laadib Wasm versiooni tuum brauseris alla v\u00e4hem kui sekundiga. <\/p>\n

Projekt on arenenud juba umbes kaks aastat ja sel etapil v\u00f5imaldab see tuuma laadimist brauseritesse ja tavaliste programmide t\u00e4itmist. T\u00f6\u00f6 ei ole veel l\u00f5petatud ja port on silmitsi teatavate probleemide ja piirangutega. N\u00e4iteks ei ole veel rakendatud vfork ja longjmp kutsungite toetust (BusyBoxile on rakendatud plaastrid, et t\u00f6\u00f6tada ilma nendeta), \u00fclesannete katkestamine ei ole v\u00f5imalik, MMU on puudu (tuum ja protsessid t\u00f6\u00f6tavad \u00fches aadressiruumi), juba laaditud koodi ei saa muuta, konsool hangub umbes viie minuti p\u00e4rast ajastamise probleemide t\u00f5ttu. On m\u00e4rgitud, et olemasolevad piirangud on \u00fcletatavad, kuid m\u00f5ned neist n\u00f5uavad brauserites t\u00e4iendavate WebAssembly laienduste rakendamist. Selliste laienduste rakendamine on ette n\u00e4htud MMU ja l\u00f5imede peatamiseks. <\/p>\n

WebAssembly-sisene l\u00f5ime peatamise v\u00f5imatus ei \u00fchildu tuumaylesannete planeerija t\u00f6\u00f6ga, kuid mitme\u00fclesandelisus on saavutatud ringtee kaudu, sidudes iga l\u00f5ime\/\u00fclesande oma virtuaalse CPU-ga, mida t\u00f6\u00f6tleb eraldi Web Worker. Sellise l\u00e4henemisega on saavutatud protsesside paralleelne teostamine brauseri mootori ja host-operatsioonis\u00fcsteemi tuuma arvelt ilma h\u00e4vitava mitme\u00fclesandelisuse ning \u00fclesannete vahetamiseta brauseris k\u00e4ituvates tuumades. Sellise skeemi puhul katkestused ja signaalid ei toimi korralikult, ning katkestuste, sealhulgas taimeri ja IPI (Inter-Processor Interrupt) edastamiseks kasutatakse eraldi virtuaalset CPU-d. <\/p>\n

Projekti kasutusala ulatub kaugemale lihtsalt Linuxi keskkondade k\u00e4ivitamisest brauserites. N\u00e4iteks v\u00f5ib port olla kasulik mitme platvormiga WebAssembly programmide loomisel, mis kasutavad Linuxile spetsiifilisi s\u00fcsteemik\u00f5nesid. Selliste s\u00fcsteemik\u00f5nede teostamine saab eraldi konverteerida WebAssembly-sse ja rakendusega siduda, mis v\u00f5imaldab selle kasutamist ilma s\u00fcsteemi tuumaga seondumiseta. Port on samuti kasulik rakenduste isoleeritud t\u00e4itmise korraldamiseks WASI (WebAssembly System Interface) abil. <\/p>\n

Plaane mainitakse katsete osas, mis rakendavad graafika toe tuumade keskkondades, mis on kokku pandud WebAssembly-s \u2014 plaanitakse rakendada EGL veebiraamistikus WebGL API p\u00f5hjal ja tagada OpenGL ES t\u00f6\u00f6tamine. Samuti on plaanis rakendada Dwarf t\u00f5rkedokumendi toetust rea-rea k\u00fclastamiseks.
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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Lisaks on Linuxi tuuma jaoks projekti poolt rakendatud v\u00f5imalus k\u00e4ivitada \".wasm\" formaadis t\u00e4itmisfaile ja valmistatud \"web console\" draiver, et simuleerida konsooliga t\u00f6\u00f6tamist.","canonical_url":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/predstavlen-port-yadra-linux-dlya-webassembly-zapuskaemyj-v-brauzere","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"et_EE","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u043f\u043e\u0440\u0442 \u044f\u0434\u0440\u0430 Linux \u0434\u043b\u044f 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