{"id":101076,"date":"2021-08-23T16:22:46","date_gmt":"2021-08-23T14:22:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/prodemonstrirovan-zapusk-linux-okruzheniya-s-gnome-na-ustrojstvah-s-chipom-apple-m1"},"modified":"2021-08-23T16:22:46","modified_gmt":"2021-08-23T14:22:47","slug":"prodemonstrirovan-zapusk-linux-okruzheniya-s-gnome-na-ustrojstvah-s-chipom-apple-m1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/prodemonstrirovan-zapusk-linux-okruzheniya-s-gnome-na-ustrojstvah-s-chipom-apple-m1","title":{"rendered":"A fost demonstrat lansarea mediului Linux cu GNOME pe dispozitive cu chip Apple M1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Ini\u021biativa de implementare a suportului pentru chipul Apple M1 \u00een Linux, promovat\u0103 de proiectele Asahi Linux \u0219i Corellium, a ajuns la un stadiu \u00een care a devenit posibil\u0103 rularea desktop-ului GNOME \u00een medii Linux pe un sistem cu chip Apple M1. Ie\u0219irea pe ecran este organizat\u0103 prin intermediul framebuffer-ului, iar suportul OpenGL este realizat printr-un rasterizator software, LLVMPipe. Urm\u0103torul pas va fi utilizarea coprocesorului de afi\u0219are pentru ie\u0219iri cu o rezolu\u021bie de p\u00e2n\u0103 la 4K, iar ingineria invers\u0103 a driverelor pentru acesta a fost deja realizat\u0103. <\/p>\n

Proiectul Asahi a reu\u0219it s\u0103 includ\u0103 \u00een nucleul principal Linux suportul ini\u021bial pentru componentele SoC M1, nelegat de GPU. \u00cen mediu Linux demonstrat, pe l\u00e2ng\u0103 capabilit\u0103\u021bile nucleului de baz\u0103, au fost utilizate c\u00e2teva patch-uri suplimentare legate de PCIe, driverul pinctrl pentru magistrala intern\u0103 \u0219i driverul de afi\u0219are. Aceste suplimente au permis realizarea notific\u0103rii pe ecran \u0219i au condus la func\u021bionarea USB \u0219i Ethernet. \u00cenc\u0103 nu este utilizat un accelerator grafic. <\/p>\n

Este interesant c\u0103, pentru ingineria invers\u0103 a SoC M1, proiectul Asahi, \u00een loc s\u0103 \u00eencerce disassemblarea driverelor macOS, a realizat un hipervizor care ruleaz\u0103 la nivelul dintre macOS \u0219i chipul M1, intercept\u00e2nd \u0219i jurnaliz\u00e2nd \u00een mod transparent toate opera\u021biile cu chipul. Dintre caracteristicile SoC M1 care \u00eengreuneaz\u0103 implementarea suportului pentru chip \u00een sisteme de operare externe, se men\u021bioneaz\u0103 ad\u0103ugarea coprocesorului \u00een controllerul de afi\u0219are (DCP). Pe partea respectivului coprocesor este externizat\u0103 jum\u0103tate din func\u021bionalitatea driverului de afi\u0219are macOS, care apeleaz\u0103 func\u021biile gata preg\u0103tite ale coprocesorului printr-o interfa\u021b\u0103 RPC special\u0103. <\/p>\n

Entuzia\u0219tii au analizat deja suficient apeluri din acest API RPC pentru a utiliza coprocessorul pentru ie\u0219irea pe ecran, precum \u0219i pentru controlul cursorului hardware \u0219i executarea opera\u021biunilor de compunere \u0219i scalare. Problema este c\u0103 API-ul RPC depinde de firmware \u0219i se schimb\u0103 \u00een fiecare versiune a macOS, a\u0219a c\u0103 \u00een Asahi Linux se inten\u021bioneaz\u0103 implementarea suportului doar pentru anumite versiuni de firmware. \u00cen primul r\u00e2nd, va fi asigurat suportul pentru firmware-ul livrat cu macOS 12 \u201eMonterey\u201d. Desc\u0103rcarea variantei corecte de firmware nu este posibil\u0103, deoarece firmware-ul este instalat de iBoot \u00een etapa anterioar\u0103 transferului controlului c\u0103tre sistemul de operare \u0219i cu verificare prin semn\u0103tur\u0103 digital\u0103.

\"A<\/center>
\"A<\/center>
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Sursa: opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0418\u043d\u0438\u0446\u0438\u0430\u0442\u0438\u0432\u0430 \u043f\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0432 Linux \u0447\u0438\u043f\u0430 Apple M1, \u043f\u0440\u043e\u0434\u0432\u0438\u0433\u0430\u0435\u043c\u0430\u044f \u043f\u0440\u043e\u0435\u043a\u0442\u0430\u043c\u0438 Asahi Linux \u0438 Corellium, \u0434\u043e\u0441\u0442\u0438\u0433\u043b\u0430 \u0443\u0440\u043e\u0432\u043d\u044f, \u043f\u0440\u0438 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0441\u0442\u0430\u043b \u0432\u043e\u0437\u043c\u043e\u0436\u0435\u043d \u0437\u0430\u043f\u0443\u0441\u043a \u0440\u0430\u0431\u043e\u0447\u0435\u0433\u043e \u0441\u0442\u043e\u043b\u0430 GNOME \u0432 Linux-\u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0438, \u0437\u0430\u043f\u0443\u0449\u0435\u043d\u043d\u043e\u043c \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0441 \u0447\u0438\u043f\u043e\u043c Apple M1. 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