{"id":139968,"date":"2025-08-02T17:11:54","date_gmt":"2025-08-02T15:11:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-emulyatora-fex-2508-pozvolyayushhego-zapuskat-x86-programmy-na-sistemah-arm64"},"modified":"2025-08-02T17:11:54","modified_gmt":"2025-08-02T15:11:55","slug":"vypusk-emulyatora-fex-2508-pozvolyayushhego-zapuskat-x86-programmy-na-sistemah-arm64","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/vypusk-emulyatora-fex-2508-pozvolyayushhego-zapuskat-x86-programmy-na-sistemah-arm64","title":{"rendered":"Lancement de l'\u00e9mulateur FEX 2508, permettant d'ex\u00e9cuter des programmes x86 sur des syst\u00e8mes ARM64","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La version du projet FEX 2508 a \u00e9t\u00e9 publi\u00e9e, d\u00e9veloppant un \u00e9mulateur pour ex\u00e9cuter des jeux et applications compil\u00e9s pour les architectures x86 et x86-64 dans un environnement Linux sur des syst\u00e8mes \u00e9quip\u00e9s de processeurs ARM64 (AArch64). L'\u00e9mulateur FEX est utilis\u00e9 par le projet Asahi pour ex\u00e9cuter des jeux du catalogue Steam, compil\u00e9s pour l'architecture x86_64, sur des syst\u00e8mes avec des puces ARM d'Apple Silicon. Le code du projet est \u00e9crit en C++ avec des insertions d'assembleur et est distribu\u00e9 sous licence MIT.    <\/p>\n<p>Les biblioth\u00e8ques n\u00e9cessaires pour ex\u00e9cuter des applications x86 dans un environnement ARM64 sont int\u00e9gr\u00e9es sous forme de couche overlay avec une image du syst\u00e8me de fichiers racine (rootfs), fournie au format SquashFS. Une telle couche permet de se passer de la cr\u00e9ation d'un environnement chroot distinct. Le t\u00e9l\u00e9chargement des images rootfs pr\u00e9-format\u00e9es par le projet se fait via l'outil FEXRootFSFetcher.    <\/p>\n<p>Pour acc\u00e9der aux fonctionnalit\u00e9s de l'environnement h\u00f4te, telles que les outils pour le son et la 3D, des biblioth\u00e8ques thunk sont plac\u00e9es dans le rootfs, traduisant les appels vers les biblioth\u00e8ques et le code c\u00f4t\u00e9 syst\u00e8me h\u00f4te (par exemple, les appels \u00e0 OpenGL et Vulkan peuvent \u00eatre redirig\u00e9s). Ces biblioth\u00e8ques peuvent \u00e9galement \u00eatre utilis\u00e9es c\u00f4t\u00e9 h\u00f4te pour faire appel au code dans l'environnement invit\u00e9. Parmi les biblioth\u00e8ques disponibles \u00e0 la redirection figurent : libEGL, libGL, libSDL2, libX11, libVDSO, libasound, libdrm, libfex_malloc, libvulkan, libwayland-client et libxshmfence.      <\/p>\n<p>Dans la nouvelle version :  <\/p>\n<ul>\n<li class=\"l\"> Une optimisation significative du compilateur JIT a \u00e9t\u00e9 r\u00e9alis\u00e9e, permettant d'augmenter le FPS dans le jeu Cyberpunk 2077 de 38,9 %, Doom 2016 de 30,9 %, Stray de 25,2 %, Grim Fandango Remastered de 24,7 %, Teardown de 12,6 % et God of War 2018 de 4,6 %. Les optimisations de la pile d'appels et de retours, ainsi que l'utilisation dans les biblioth\u00e8ques wow64\/arm64ec du mod\u00e8le de m\u00e9moire TSO (Total Store Ordering), pris en charge par les CPU Apple Silicon, ont eu le plus grand impact.      <center><img decoding=\"async\" alt=\"Lancement de l&#039;\u00e9mulateur FEX 2508, permettant d&#039;ex\u00e9cuter des programmes x86 sur des syst\u00e8mes ARM64\" src=\"\/wp-content\/uploads\/2025\/08\/b06004ce259019dbcae917b3bc8ab8aa.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> La prise en charge du bit NX (No Execute) a \u00e9t\u00e9 mise en \u0153uvre pour interdire l'ex\u00e9cution d'instructions dans des zones de m\u00e9moire non sp\u00e9cifiquement marqu\u00e9es comme ex\u00e9cutables.\n<li class=\"l\"> Le support du code utilis\u00e9 pour emp\u00eacher le d\u00e9bogage et la modification du d\u00e9roulement des jeux, tels que Peggle Deluxe et Crysis 2 : Maximum Edition, a \u00e9t\u00e9 am\u00e9lior\u00e9.        <\/ul>\n<p>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63666\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 FEX 2508, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u044d\u043c\u0443\u043b\u044f\u0442\u043e\u0440 \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0438\u0433\u0440 \u0438 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u0441\u043e\u0431\u0440\u0430\u043d\u043d\u044b\u0445 \u0434\u043b\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440 x86 \u0438 x86-64, \u0432 Linux-\u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0438 \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0441 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u043c\u0438 ARM64 (AArch64). \u042d\u043c\u0443\u043b\u044f\u0442\u043e\u0440 FEX \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c Asahi \u0434\u043b\u044f \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0441 ARM-\u0447\u0438\u043f\u0430\u043c\u0438 Apple Silicon \u0438\u0433\u0440 \u0438\u0437 \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0430 Steam, \u0441\u043e\u0431\u0440\u0430\u043d\u043d\u044b\u0445 \u0434\u043b\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b x86_64. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421++ \u0441 \u0430\u0441\u0441\u0435\u043c\u0431\u043b\u0435\u0440\u043d\u044b\u043c\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":139969,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-139968","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 FEX 2508, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u044d\u043c\u0443\u043b\u044f\u0442\u043e\u0440 \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0438\u0433\u0440 \u0438 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, 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