\u0412 \u0441\u043f\u0438\u0441\u043a\u0435 \u0440\u0430\u0441\u0441\u044b\u043b\u043a\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u044f\u0434\u0440\u0430 Linux \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043f\u0430\u0442\u0447\u0438 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b «Wasm» \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u044f\u0434\u0440\u043e \u0432 \u043f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043e\u0447\u043d\u044b\u0439 \u043a\u043e\u0434 WebAssembly \u0434\u043b\u044f \u043f\u043e\u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0433\u043e \u043f\u0440\u044f\u043c\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0432 web-\u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0435 \u0431\u0435\u0437 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u044f \u044d\u043c\u0443\u043b\u044f\u0442\u043e\u0440\u043e\u0432. \u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0435 \u0444\u0430\u0439\u043b\u044b \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 «.wasm» \u0438 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d \u0434\u0440\u0430\u0439\u0432\u0435\u0440 «web console» \u0434\u043b\u044f \u0441\u0438\u043c\u0443\u043b\u044f\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u043a\u043e\u043d\u0441\u043e\u043b\u044c\u044e \u0432 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0435. \u0422\u0430\u043a\u0436\u0435 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u0434\u043b\u044f \u0443\u043f\u0440\u043e\u0449\u0435\u043d\u0438\u044f \u0441\u0431\u043e\u0440\u043a\u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u043c\u044b\u0445 \u0432 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0439. <\/p>\n
N\u00e4iteks on loodud keskkond koos WebAssembly-sse kompileeritud BusyBoxi utiliitide komplekti ja s\u00fcsteemi teegi musl p\u00f5hjal. Sellise keskkonnaga t\u00f6\u00f6ks on kasutusel terminali emulaator Xterm.js. Eraldi on k\u00e4ivitatud demonstreeriv veebileht, mis v\u00f5imaldab hinnata porta t\u00f6\u00f6d ilma iseseisva kompileerimise vajaduseta. T\u00e4ielik tugi on saadaval Chromiumi mootoriga brauserites ja osaline tugi Firefoxis, kus silumise v\u00f5imalused on piiratud. Kaasaegsetel arvutitel laadib tuuma Wasm-kogumik brauserisse v\u00e4hem kui sekundi. <\/p>\n
Projekt on arenenud juba umbes kaks aastat ja praegu v\u00f5imaldab see laadida tuuma brauseritesse ja k\u00e4ivitada tavalisi programme. T\u00f6\u00f6 pole veel l\u00f5petatud ning portl on mitmed probleemid ja piirangud. N\u00e4iteks ei ole veel realiseeritud vfork ja longjmp k\u00f5nede tugi (BusyBoxile on rakendatud plaastrid nende kasutamiseta t\u00f6\u00f6tamiseks), \u00fclesannete katkemise v\u00f5imalust ei ole, MMU pole saadaval (tuum ja protsessid t\u00f6\u00f6tavad samas aadressiruumis), juba laaditud koodi muuta ei saa, konsool hangub ligikaudu 5 minuti p\u00e4rast ajastusega seotud probleemide t\u00f5ttu. Toodud piirangud on \u00fcletatavad, kuid m\u00f5ned neist n\u00f5uavad brauserites t\u00e4iendavate WebAssembly laienduste realiseerimist. Selliseid laiendusi on soovitatud rakendada MMU ja threadide peatamiseks. <\/p>\n
WebAssembly'i voogude peatamise v\u00f5imetus ei sobi kokku tuumplaanijaga, kuid palju\u00fclesanne on saavutatud m\u00f6\u00f6da minnes, sidudes iga voo\/\u00fclesande oma virtuaalse CPU-ga, mida t\u00f6\u00f6deldakse eraldi Web Worker'is. Nii on \u00f5nnestunud saavutada protsesside paralleelne t\u00f6\u00f6tlemine brauserimootori ja host-OS-i tuuma kaudu, ilma et kasutataks eelnevat \u00fclesannete vahetust ja \u00fclesannete vahetamist brauseri tuumas. Selles skeemis katkestused ja signaalid ei t\u00f6\u00f6ta korralikult ning katkestuste edastamiseks, nagu ajastu katkestusi ja IPI (Inter-Processor Interrupt), kasutatakse eraldi virtuaalset CPU-d. <\/p>\n
Projekti rakendusvaldkond \u00fcletab lihtsalt Linuxi keskkondade k\u00e4ivitamise brauserites. N\u00e4iteks v\u00f5ib porti kasutada mitme platvormi WebAssembly programmide loomisel, mis kasutavad Linuxile spetsiifilisi s\u00fcsteemik\u00f5nesid. Selliste s\u00fcsteemik\u00f5nede rakendamine v\u00f5ib eraldi t\u00f5lkida WebAssembly'ks ja rakendusele k\u00fclge kinnitada, v\u00f5imaldades selle kasutamist ilma s\u00fcsteemitootega sidumata. Porti on samuti kasulik rakenduste isoleeritud k\u00e4itamise korraldamiseks WASI (WebAssembly System Interface) abil. <\/p>\n
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[…]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-147115","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Esitatud Linuxi tuuma port WebAssembly'le, mis k\u00e4ivitatakse brauseris | ProHoster","description":"Linuxi tuuma arendajate meililistis on avaldatud plaastrid Linuxi tuuma \"Wasm\" arhitektuuri rakendamiseks, mis v\u00f5imaldab tuuma kompileerida WebAssembly vahekoodiks, et seda otse 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Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"