{"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\/fr\/blog\/news\/linux-zapushhen-na-igrovoj-pristavke-atari-jaguar","title":{"rendered":"Linux fonctionne sur la console de jeux Atari Jaguar","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Apr\u00e8s le portage de Linux sur Sega MegaDrive, la possibilit\u00e9 de lancer le noyau Linux avec un ensemble d'outils Busybox sur la console de jeu Atari Jaguar, sortie en 1993, a \u00e9t\u00e9 r\u00e9alis\u00e9e. La console \u00e9tait \u00e9quip\u00e9e d'un CPU Motorola 68000, livr\u00e9e avec 2 Mo de RAM et pouvait utiliser des cartouches comme support de stockage, avec une capacit\u00e9 allant jusqu'\u00e0 6 Mo. L'appareil \u00e9tait dot\u00e9 de deux coprocesseurs : Tom (GPU avec une architecture RISC 32 bits + processeur vid\u00e9o 64 bits + processeur 64 bits pour les op\u00e9rations logiques) et Jerry (DSP avec une architecture RISC 32 bits pour le traitement du son).      <\/p>\n<p>De mani\u00e8re similaire \u00e0 la port pour Sega MegaDrive pour l'ex\u00e9cution du noyau Linux sur un CPU Motorola 68000, d\u00e9pourvu de module de gestion de m\u00e9moire mat\u00e9riel (MMU), le noyau par d\u00e9faut 7.2.0-rc1 a \u00e9t\u00e9 compil\u00e9 en mode 'NOMMU' utilis\u00e9 pour les microcontr\u00f4leurs, permettant d'utiliser un mod\u00e8le de m\u00e9moire plat avec un espace d'adressage lin\u00e9aire (auparavant, les travaux pour fonctionner sans MMU ont \u00e9t\u00e9 d\u00e9velopp\u00e9s dans un fork du noyau uClinux, mais ont ensuite \u00e9t\u00e9 int\u00e9gr\u00e9s dans le noyau principal sous forme d'option 'NOMMU'). Le probl\u00e8me du manque de m\u00e9moire vive a \u00e9t\u00e9 r\u00e9solu diff\u00e9remment, en utilisant le m\u00e9canisme execute-in-place (XIP), permettant d'ex\u00e9cuter directement le code du noyau \u00e0 partir de la ROM sans le copier dans la m\u00e9moire vive.    <\/p>\n<p>La RAM sur l'appareil est refl\u00e9t\u00e9e \u00e0 l'adresse 0x000000, tandis que la ROM (cartridge) \u2014 \u00e0 l'adresse 0x80000, les composants du noyau Linux ont donc \u00e9t\u00e9 divis\u00e9s en deux zones de m\u00e9moire distinctes : les sections .rodata et .text contenant des constantes et du code \u00e9taient plac\u00e9es sur le cartridge, tandis que les sections .data et .bss avec des donn\u00e9es modifiables se trouvaient dans la m\u00e9moire vive. \u00c9tant donn\u00e9 que le CPU 68000 recherche la table des vecteurs d'interruption \u00e0 l'adresse 0x0, tandis que le noyau est en r\u00e9alit\u00e9 plac\u00e9 sur le cartridge, dont le contenu est refl\u00e9t\u00e9 \u00e0 l'adresse 0x80000, un hack a \u00e9galement \u00e9t\u00e9 appliqu\u00e9 pour copier les vecteurs d'interruption en RAM.        <\/p>\n<p>Le probl\u00e8me de l'absence de minuterie dans le CPU Motorola 68000 a \u00e9t\u00e9 r\u00e9solu par l'utilisation des minuteries utilis\u00e9es dans le DSP pour la synth\u00e8se sonore. Ces minuteries ont \u00e9t\u00e9 utilis\u00e9es pour g\u00e9n\u00e9rer des interruptions afin d'activer le planificateur de t\u00e2ches. Pour afficher les messages du noyau pendant le chargement, un driver de console distinct a \u00e9t\u00e9 \u00e9crit, simulant la sortie via un port parall\u00e8le \u00e0 travers les broches TXD et RXD, contr\u00f4l\u00e9es par le processeur DSP.       <\/p>\n<p>Pour assembler les composants de l'espace utilisateur, l'outil Buildroot avec des patches du projet LinuxMD a \u00e9t\u00e9 utilis\u00e9. Pour \u00e9conomiser de la m\u00e9moire lors de l'initialisation, le shell ' \/bin\/busybox sh ' \u00e9tait directement appel\u00e9, la fonction malloc de la biblioth\u00e8que uClibc a \u00e9t\u00e9 remplac\u00e9e par une version simplifi\u00e9e malloc-simple, ne conservant pas de m\u00e9tadonn\u00e9es suppl\u00e9mentaires, et au lieu d'un chargeur complet, tel que U-Boot, un passage direct de contr\u00f4le au noyau a \u00e9t\u00e9 effectu\u00e9 avec la commande 'jmp $80000'.                          <center><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/07\/2e7083644cdd22d754c688d0070aa99d.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Source : <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-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 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la possibilit\u00e9 de d\u00e9marrer le noyau Linux avec un ensemble d'outils Busybox sur la console de jeu Atari Jaguar, sortie en 1993, a \u00e9t\u00e9 mise en \u0153uvre.","canonical_url":"https:\/\/prohoster.info\/fr\/blog\/news\/linux-zapushhen-na-igrovoj-pristavke-atari-jaguar","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"fr_FR","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 | 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