{"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\/it\/blog\/news\/vypusk-emulyatora-fex-2508-pozvolyayushhego-zapuskat-x86-programmy-na-sistemah-arm64","title":{"rendered":"Rilascio dell'emulatore FEX 2508, che consente di eseguire programmi x86 su sistemi ARM64","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 stata pubblicata la versione del progetto FEX 2508, che sviluppa un emulatore per eseguire giochi e applicazioni compilati per architetture x86 e x86-64 in un ambiente Linux su sistemi con processori ARM64 (AArch64). L'emulatore FEX \u00e8 utilizzato dal progetto Asahi per eseguire su sistemi con chip ARM di Apple Silicon giochi dal catalogo Steam, compilati per l'architettura x86_64. Il codice del progetto \u00e8 scritto in C++ con inserti in assembler e distribuito sotto licenza MIT.    <\/p>\n<p>Le librerie necessarie per eseguire applicazioni x86 in un ambiente ARM64 vengono collegate sotto forma di strato overlay con un'immagine del filesystem radice (rootfs) fornita in formato SquashFS. Questo tipo di strato consente di evitare la creazione di un ambiente chroot separato. Il caricamento delle immagini rootfs gi\u00e0 formate dal progetto \u00e8 effettuato dallo strumento FEXRootFSFetcher.    <\/p>\n<p>Per accedere alle funzionalit\u00e0 dell'ambiente host, come i strumenti per il suono e la grafica 3D, nelle rootfs vengono inserite le librerie thunk che traducono le chiamate a librerie e codice nel sistema host (ad esempio, possono essere reindirizzate le chiamate a OpenGL e Vulkan). Tali librerie possono anche essere utilizzate nel lato host per chiamare codice nell'ambiente ospitato. Tra le librerie disponibili per il passaggio: libEGL, libGL, libSDL2, libX11, libVDSO, libasound, libdrm, libfex_malloc, libvulkan, libwayland-client e libxshmfence.      <\/p>\n<p>Nella nuova versione:  <\/p>\n<ul>\n<li class=\"l\"> \u00c8 stata effettuata un'ottimizzazione significativa del compilatore JIT, che ha permesso di aumentare il FPS nel gioco Cyberpunk 2077 del 38,9%, Doom 2016 del 30,9%, Stray del 25,2%, Grim Fandango Remastered del 24,7%, Teardown del 12,6% e Gold of War 2018 del 4,6%. Le ottimizzazioni della gestione dello stack delle chiamate e dei ritorni (call-return) hanno avuto il maggiore impatto, insieme all'implementazione nei plugin wow64\/arm64ec del modello di memoria TSO (Total Store Ordering), supportato nei processori Apple Silicon.      <center><img decoding=\"async\" alt=\"Rilascio dell&#039;emulatore FEX 2508, che consente di eseguire programmi x86 su sistemi ARM64\" src=\"\/wp-content\/uploads\/2025\/08\/b06004ce259019dbcae917b3bc8ab8aa.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> \u00c8 stata implementata la supporto per il bit NX (No Execute) per vietare l'esecuzione di istruzioni in aree di memoria specificamente non contrassegnate come adatte per l'esecuzione.\n<li class=\"l\"> \u00c8 stato migliorato il supporto del codice utilizzato per prevenire il debug e la modifica del flusso di esecuzione in giochi come Peggle Deluxe e Crysis 2: Maximum Edition.        <\/ul>\n<p>Fonte: <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 5.0.1.1 - 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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