{"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\/sv\/blog\/news\/prodemonstrirovan-zapusk-linux-okruzheniya-s-gnome-na-ustrojstvah-s-chipom-apple-m1","title":{"rendered":"Lanseringen av Linux-milj\u00f6 med GNOME p\u00e5 enheter med Apple M1-chip demonstrerades.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Initiativet f\u00f6r att implementera st\u00f6d f\u00f6r Apple M1-chippet i Linux, som fr\u00e4mjas av projekten Asahi Linux och Corellium, har n\u00e5tt en niv\u00e5 d\u00e4r det nu \u00e4r m\u00f6jligt att k\u00f6ra GNOME-skrivbordet i en Linux-milj\u00f6 som k\u00f6rs p\u00e5 ett system med Apple M1-chippet. Utmatningen till sk\u00e4rmen organiseras med hj\u00e4lp av framebuffer, och st\u00f6det f\u00f6r OpenGL m\u00f6jligg\u00f6rs genom den programvarubaserade rasteriseringen LLVMPipe. N\u00e4sta steg blir att utnyttja display-koprocessorn f\u00f6r att m\u00f6jligg\u00f6ra utmatning med upp till 4K-uppl\u00f6sning, d\u00e4r bak\u00e5tkodning av drivrutiner redan har genomf\u00f6rts. <\/p>\n

Asahi-projektet har lyckats inkludera grundl\u00e4ggande st\u00f6d f\u00f6r M1 SoC-komponenter som inte \u00e4r relaterade till GPU i Linux-k\u00e4rnan. I den demonstrerade Linux-milj\u00f6n har flera ytterligare patchar anv\u00e4nts f\u00f6rutom m\u00f6jligheterna hos den standardk\u00e4rnan, som r\u00f6r PCIe, pinctrl-drivrutinen f\u00f6r den interna bussen och displaydrivrutinen. Dessa till\u00e4gg har gjort det m\u00f6jligt att f\u00e5 utmatning till sk\u00e4rmen och f\u00e5tt USB och Ethernet att fungera. Grafikhastighet anv\u00e4nds f\u00f6r n\u00e4rvarande inte. <\/p>\n

Intressant nog, f\u00f6r att utf\u00f6ra bak\u00e5tkodning av M1 SoC, har Asahi-projektet ist\u00e4llet f\u00f6r att f\u00f6rs\u00f6ka disassemblera macOS-drivrutiner implementerat en hypervisor som k\u00f6rs p\u00e5 en niv\u00e5 mellan macOS och M1-chippet, och som i transparent l\u00e4ge f\u00e5ngar och loggar alla operationer med chippet. Bland de k\u00e4nnetecken hos M1 SoC som f\u00f6rsv\u00e5rar st\u00f6d i tredjeparts-OS n\u00e4mns till\u00e4gget av koprocessorn i displaykontrollern (DCP). P\u00e5 denna koprocessors sida har h\u00e4lften av funktionaliteten hos macOS-displaydrivrutinen flyttats, som anropar de f\u00e4rdiga funktionerna hos koprocessorn via ett speciellt RPC-gr\u00e4nssnitt. <\/p>\n

Entusiaster har redan analyserat tillr\u00e4ckligt med utmaningar i detta RPC-gr\u00e4nssnitt f\u00f6r att aktivera koprocessorn f\u00f6r att visa p\u00e5 sk\u00e4rmen, samt f\u00f6r att styra h\u00e5rdvarupekaren och utf\u00f6ra kompositions- och skalningsoperationer. Problemet \u00e4r att RPC-gr\u00e4nssnittet \u00e4r beroende av firmware och f\u00f6r\u00e4ndras i varje version av macOS, vilket inneb\u00e4r att Asahi Linux planerar att implementera st\u00f6d endast f\u00f6r vissa versioner av firmware. F\u00f6rst kommer st\u00f6det f\u00f6r den firmware som levereras med macOS 12 \"Monterey\" att s\u00e4kerst\u00e4llas. Det \u00e4r inte m\u00f6jligt att ladda ner den n\u00f6dv\u00e4ndiga firmwareversionen, eftersom firmware installeras av iBoot innan kontrollen \u00f6verl\u00e4mnas till operativsystemet och med verifiering via digital signatur.

\"Lanseringen<\/center>
\"Lanseringen<\/center>
\n
K\u00e4lla: opennet.ru<\/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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