{"id":182545,"date":"2026-07-08T22:53:25","date_gmt":"2026-07-08T20:53:26","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/linux-zapushhen-na-igrovoj-pristavke-atari-jaguar"},"modified":"2026-07-08T22:53:25","modified_gmt":"2026-07-08T20:53:26","slug":"linux-zapushhen-na-igrovoj-pristavke-atari-jaguar","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/linux-zapushhen-na-igrovoj-pristavke-atari-jaguar","title":{"rendered":"Linux \u00e8 in esecuzione sulla console di gioco Atari Jaguar","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dopo la portabilit\u00e0 di Linux su Sega MegaDrive, \u00e8 stata realizzata la possibilit\u00e0 di eseguire il kernel Linux con un insieme di utilit\u00e0 Busybox sulla console di gioco Atari Jaguar, rilasciata nel 1993. La console era dotata di CPU Motorola 68000, veniva fornita con 2 MB di RAM e poteva utilizzare cartucce come memoria permanente, con una capacit\u00e0 di fino a 6 MB. Il dispositivo era equipaggiato con due coprocessori: Tom (GPU con architettura RISC a 32 bit + processore video a 64 bit + processore a 64 bit per l'esecuzione di operazioni logiche) e Jerry (DSP con architettura RISC a 32 bit per lavorare con il suono).      <\/p>\n<p>Analogamente alla porta per Sega MegaDrive per l'esecuzione del kernel Linux su CPU Motorola 68000, priva di un'unit\u00e0 di gestione della memoria (MMU), il kernel integrato 7.2.0-rc1 \u00e8 stato compilato in modalit\u00e0 'NOMMU' utilizzata per microcontrollori, consentendo l'uso di un modello di memoria piatto con uno spazio di indirizzi lineare (in precedenza, i lavori per operare senza MMU erano stati sviluppati in un fork del kernel uClinux, ma poi sono stati integrati nel kernel principale come opzione 'NOMMU'). Il problema della mancanza di memoria RAM \u00e8 stato risolto in un altro modo, tramite l'utilizzo del meccanismo execute-in-place (XIP), che consente di eseguire direttamente il codice del kernel dalla ROM senza copiarlo nella memoria RAM.    <\/p>\n<p>La RAM sul dispositivo \u00e8 mappata all'indirizzo 0x000000, mentre la ROM (cartridges) \u00e8 mappata all'indirizzo 0x80000; pertanto, i componenti del kernel Linux sono stati separati in due aree di memoria distinte: le sezioni .rodata e .text con costanti e codice sono state collocate sulla cartridge, mentre le sezioni .data e .bss con dati modificabili sono state messe nella memoria RAM. Poich\u00e9 il CPU 68000 cerca la tabella dei vettori di interruzione all'indirizzo 0x0, e il kernel \u00e8 effettivamente collocato sulla cartridge, il cui contenuto \u00e8 mappato all'indirizzo 0x80000, \u00e8 stato inoltre applicato un hack per copiare i vettori di interruzione nella RAM.        <\/p>\n<p>Il problema della mancanza di un timer nella CPU Motorola 68000 \u00e8 stato risolto utilizzando i timer impiegati nel DSP per la sintesi audio. Questi timer sono stati utilizzati per generare interruzioni per attivare lo scheduler. \u00c8 stato scritto un driver della console separato per visualizzare i messaggi del kernel durante il boot, simulando una porta parallela tramite le uscite TXD e RXD, controllate attraverso il processore DSP.       <\/p>\n<p>Per compilare i componenti dello spazio utente, \u00e8 stato utilizzato lo strumento Buildroot con patch dal progetto LinuxMD. Per risparmiare memoria, durante l'inizializzazione \u00e8 stata chiamata direttamente la shell '\/bin\/busybox sh', la funzione malloc nella libreria uClibc \u00e8 stata sostituita con una versione semplificata malloc-simple, che non conserva metadati aggiuntivi, e invece di un caricatore completo come U-Boot, \u00e8 stata eseguita una diretta trasmissione di controllo al kernel con il comando 'jmp $80000'.                          <center><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/07\/2e7083644cdd22d754c688d0070aa99d.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65866\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043b\u0435\u0434\u043e\u043c \u0437\u0430 \u043f\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435\u043c Linux \u043d\u0430 Sega MegaDrive \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 \u044f\u0434\u0440\u0430 Linux \u0441 \u043d\u0430\u0431\u043e\u0440\u043e\u043c \u0443\u0442\u0438\u043b\u0438\u0442 Busybox \u043d\u0430 \u0438\u0433\u0440\u043e\u0432\u043e\u0439 \u043a\u043e\u043d\u0441\u043e\u043b\u0438 Atari Jaguar, \u0432\u044b\u043f\u0443\u0449\u0435\u043d\u043d\u043e\u0439 \u0432 1993 \u0433\u043e\u0434\u0443. \u041f\u0440\u0438\u0441\u0442\u0430\u0432\u043a\u0430 \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0442\u043e\u0432\u0430\u043b\u0430\u0441\u044c CPU Motorola 68000, \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u043b\u0430\u0441\u044c \u0441 2 \u041c\u0411 \u041e\u0417\u0423 \u0438 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u043e\u0433\u043e \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0430 \u043c\u043e\u0433\u043b\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043a\u0430\u0440\u0442\u0440\u0438\u0434\u0436\u0438, \u043e\u0431\u044a\u0451\u043c\u043e\u043c \u0434\u043e 6 \u041c\u0411. \u0423\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e \u0431\u044b\u043b\u043e \u043e\u0441\u043d\u0430\u0449\u0435\u043d\u043e \u0434\u0432\u0443\u043c\u044f \u0441\u043e\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u043c\u0438: Tom (GPU c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-182545","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One 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\u041c\u0411 \u041e\u0417\u0423 \u0438 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u043e\u0433\u043e \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0430 \u043c\u043e\u0433\u043b\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043a\u0430\u0440\u0442\u0440\u0438\u0434\u0436\u0438, \u043e\u0431\u044a\u0451\u043c\u043e\u043c \u0434\u043e 6 \u041c\u0411. \u0423\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e \u0431\u044b\u043b\u043e \u043e\u0441\u043d\u0430\u0449\u0435\u043d\u043e \u0434\u0432\u0443\u043c\u044f \u0441\u043e\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u043c\u0438: Tom (GPU c\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Alexander Kovalev\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/linux-zapushhen-na-igrovoj-pristavke-atari-jaguar\" \/>\n\t<meta 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MegaDrive \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 \u044f\u0434\u0440\u0430 Linux \u0441 \u043d\u0430\u0431\u043e\u0440\u043e\u043c \u0443\u0442\u0438\u043b\u0438\u0442 Busybox \u043d\u0430 \u0438\u0433\u0440\u043e\u0432\u043e\u0439 \u043a\u043e\u043d\u0441\u043e\u043b\u0438 Atari Jaguar, \u0432\u044b\u043f\u0443\u0449\u0435\u043d\u043d\u043e\u0439 \u0432 1993 \u0433\u043e\u0434\u0443. \u041f\u0440\u0438\u0441\u0442\u0430\u0432\u043a\u0430 \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0442\u043e\u0432\u0430\u043b\u0430\u0441\u044c CPU Motorola 68000, \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u043b\u0430\u0441\u044c \u0441 2 \u041c\u0411 \u041e\u0417\u0423 \u0438 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u043e\u0433\u043e \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0430 \u043c\u043e\u0433\u043b\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043a\u0430\u0440\u0442\u0440\u0438\u0434\u0436\u0438, \u043e\u0431\u044a\u0451\u043c\u043e\u043c \u0434\u043e 6 \u041c\u0411. \u0423\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e \u0431\u044b\u043b\u043e \u043e\u0441\u043d\u0430\u0449\u0435\u043d\u043e \u0434\u0432\u0443\u043c\u044f \u0441\u043e\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u043c\u0438: Tom (GPU c\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/linux-zapushhen-na-igrovoj-pristavke-atari-jaguar\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" 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La console era dotata di un CPU Motorola 68000, fornita con 2 MB di RAM e poteva utilizzare cartucce come memoria permanente, con una capacit\u00e0 fino a 6 MB. Disponeva di due coprocessori: Tom (GPU c","canonical_url":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/linux-zapushhen-na-igrovoj-pristavke-atari-jaguar","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"it_IT","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47Linux \u0437\u0430\u043f\u0443\u0449\u0435\u043d \u043d\u0430 \u0438\u0433\u0440\u043e\u0432\u043e\u0439 \u043f\u0440\u0438\u0441\u0442\u0430\u0432\u043a\u0435 Atari Jaguar | ProHoster","og:description":"\u0421\u043b\u0435\u0434\u043e\u043c \u0437\u0430 \u043f\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435\u043c Linux \u043d\u0430 Sega MegaDrive \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 \u044f\u0434\u0440\u0430 Linux \u0441 \u043d\u0430\u0431\u043e\u0440\u043e\u043c \u0443\u0442\u0438\u043b\u0438\u0442 Busybox \u043d\u0430 \u0438\u0433\u0440\u043e\u0432\u043e\u0439 \u043a\u043e\u043d\u0441\u043e\u043b\u0438 Atari Jaguar, \u0432\u044b\u043f\u0443\u0449\u0435\u043d\u043d\u043e\u0439 \u0432 1993 \u0433\u043e\u0434\u0443. \u041f\u0440\u0438\u0441\u0442\u0430\u0432\u043a\u0430 \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0442\u043e\u0432\u0430\u043b\u0430\u0441\u044c CPU Motorola 68000, \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u043b\u0430\u0441\u044c \u0441 2 \u041c\u0411 \u041e\u0417\u0423 \u0438 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u043e\u0433\u043e \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0430 \u043c\u043e\u0433\u043b\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043a\u0430\u0440\u0442\u0440\u0438\u0434\u0436\u0438, \u043e\u0431\u044a\u0451\u043c\u043e\u043c \u0434\u043e 6 \u041c\u0411. \u0423\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e \u0431\u044b\u043b\u043e \u043e\u0441\u043d\u0430\u0449\u0435\u043d\u043e \u0434\u0432\u0443\u043c\u044f \u0441\u043e\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u043c\u0438: Tom (GPU c","og:url":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/linux-zapushhen-na-igrovoj-pristavke-atari-jaguar","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2026-07-08T20:53:26+00:00","article:modified_time":"2026-07-08T20:53:26+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/posts\/182545","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/comments?post=182545"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/posts\/182545\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/media?parent=182545"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/categories?post=182545"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/tags?post=182545"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}