{"id":119708,"date":"2024-09-05T15:43:01","date_gmt":"2024-09-05T13:43:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-emulyator-qemu-9-1-0"},"modified":"2024-09-05T15:43:01","modified_gmt":"2024-09-05T13:43:01","slug":"dostupen-emulyator-qemu-9-1-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/dostupen-emulyator-qemu-9-1-0","title":{"rendered":"L'\u00e9mulateur QEMU 9.1.0 est disponible","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La sortie du projet QEMU 9.1 a \u00e9t\u00e9 annonc\u00e9e. En tant qu'\u00e9mulateur, QEMU permet d'ex\u00e9cuter un programme con\u00e7u pour une plateforme mat\u00e9rielle sur un syst\u00e8me d'architecture compl\u00e8tement diff\u00e9rente, par exemple, d'ex\u00e9cuter une application pour ARM sur un PC compatible x86. En mode virtualisation, les performances d'ex\u00e9cution du code dans un environnement isol\u00e9 se rapprochent de celles des syst\u00e8mes mat\u00e9riels en raison de l'ex\u00e9cution directe des instructions sur le CPU et de l'utilisation de l'hyperviseur Xen ou du module KVM sous Linux, ou du module NVMM sous NetBSD.    <\/p>\n<p>Le projet a \u00e9t\u00e9 initialement cr\u00e9\u00e9 par Fabrice Bellard dans le but de permettre l'ex\u00e9cution de fichiers ex\u00e9cutables Linux compil\u00e9s pour l'architecture x86 sur des architectures autres que x86. Au fil des ann\u00e9es, le support d'une \u00e9mulation compl\u00e8te pour 14 architectures mat\u00e9rielles a \u00e9t\u00e9 ajout\u00e9, et le nombre d'appareils mat\u00e9riels \u00e9mul\u00e9s a d\u00e9pass\u00e9 400. Pour la version 9.1, plus de 2800 modifications ont \u00e9t\u00e9 apport\u00e9es par 263 d\u00e9veloppeurs.             <\/p>\n<p>Am\u00e9liorations cl\u00e9s ajout\u00e9es dans QEMU 9.1 :   <\/p>\n<ul>\n<li class=\"l\"> Dans l'outil de migration des syst\u00e8mes invit\u00e9s, le support pour l'acc\u00e9l\u00e9ration de la compression des donn\u00e9es a \u00e9t\u00e9 impl\u00e9ment\u00e9, utilisant la technologie IAA (Intel In-Memory Analytics Accelerator) ou UADK (User Space Accelerator Development Kit). Le soutien \u00e0 la r\u00e9cup\u00e9ration apr\u00e8s \u00e9checs de migration en mode postcopy a \u00e9t\u00e9 am\u00e9lior\u00e9.\n<li class=\"l\"> Dans le m\u00e9canisme virtio, utilis\u00e9 pour organiser l'interaction entre les syst\u00e8mes invit\u00e9s et le syst\u00e8me h\u00f4te, le support pour la fonction VIRTIO_F_NOTIFICATION_DATA a \u00e9t\u00e9 ajout\u00e9, permettant aux pilotes du c\u00f4t\u00e9 des syst\u00e8mes invit\u00e9s d'envoyer des donn\u00e9es suppl\u00e9mentaires avec les notifications envoy\u00e9es. Cette fonction peut \u00eatre utilis\u00e9e, par exemple, pour envoyer des donn\u00e9es de d\u00e9bogage ou pour optimiser les performances.\n<li class=\"l\"> Dans le guest-agent pour les syst\u00e8mes Linux, la commande guest-network-get-route a \u00e9t\u00e9 ajout\u00e9e, et pour les syst\u00e8mes Windows, les commandes guest-ssh-* ont \u00e9t\u00e9 ajout\u00e9es. L'interface de ligne de commande a \u00e9largi les options de configuration des commandes \u00ab allowed \u00bb et \u00ab blocked \u00bb.\n<li class=\"l\"> Dans l'\u00e9mulateur de l'architecture ARM, le support des extensions de processeur EAT_NMI, FEAT_CSV2_3, FEAT_ETS2, FEAT_Spec_FPACC, FEAT_WFxT, FEAT_Debugv8p8 a \u00e9t\u00e9 ajout\u00e9. Lors de l'\u00e9mulation du bloc de gestion de la m\u00e9moire SMMUv3 (System Memory Management Unit), le support des pages de m\u00e9moire imbriqu\u00e9es et \u00e0 deux niveaux a \u00e9t\u00e9 mis en \u0153uvre. Pour les cartes Xilinx Zynq, le support de l'\u00e9mulation de configurations multiprocesseurs, du contr\u00f4leur d'affichage DM163 et du contr\u00f4leur de cache a \u00e9t\u00e9 ajout\u00e9.\n<li class=\"l\"> L'\u00e9mulateur de l'architecture LoongArch permet le chargement direct d'images de noyau au format ELF et a ajout\u00e9 la prise en charge du lancement de jusqu'\u00e0 256 CPU, en utilisant l'extension extioi. Les capacit\u00e9s de d\u00e9bogage ont \u00e9t\u00e9 am\u00e9lior\u00e9es.\n<li class=\"l\"> L'\u00e9mulateur de l'architecture RISC-V a ajout\u00e9 la prise en charge des extensions processeur Zve32x, Zve64x, Zimop, Zcmop, Zama16b, Zabha, Zawrs et Smcntrpmf, ainsi que la version 1.13 de la sp\u00e9cification de l'architecture du jeu d'instructions privil\u00e9gi\u00e9. Les capacit\u00e9s de d\u00e9bogage ont \u00e9t\u00e9 am\u00e9lior\u00e9es.\n<li class=\"l\"> L'\u00e9mulateur de l'architecture SPARC a ajout\u00e9 la prise en charge des extensions processeur FMAF, IMA, VIS3 et VIS4.\n<li class=\"l\"> Dans l'\u00e9mulateur d'architecture x86 pour l'hyperviseur <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/vps\/abuzoustojchivye-vps\/\"   title=\"KVM\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4427\">KVM<\/a> La possibilit\u00e9 de lancer des syst\u00e8mes invit\u00e9s en utilisant l'extension processeur AMD SEV-SNP (Secure Nested Paging) a \u00e9t\u00e9 mise en \u0153uvre, garantissant un fonctionnement s\u00e9curis\u00e9 avec des tables de pages m\u00e9moire imbriqu\u00e9es. La prise en charge de l'\u00e9mulation CPU bas\u00e9e sur les microarchitectures Icelake-Server-v7, SapphireRapids-v3 et SierraForest a \u00e9t\u00e9 r\u00e9alis\u00e9e.\n<li class=\"l\"> Une vuln\u00e9rabilit\u00e9 (CVE-2024-7409) a \u00e9t\u00e9 corrig\u00e9e dans <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/server\/dts-newyork\/\"   title=\"le serveur\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2783\">le serveur<\/a> les dispositifs de bloc NBD (Network Block Device), permettant \u00e0 travers des manipulations dans le syst\u00e8me invit\u00e9 de provoquer l'arr\u00eat anormal de QEMU lors de l'ex\u00e9cution de l'op\u00e9ration nbd-server-stop, m\u00eame si le client ne poss\u00e8de pas de cl\u00e9s TLS pour se connecter au serveur NBD.        <\/ul>\n<p>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61813\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 QEMU 9.1. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u044d\u043c\u0443\u043b\u044f\u0442\u043e\u0440\u0430 QEMU \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0437\u0430\u043f\u0443\u0441\u0442\u0438\u0442\u044c \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0443, \u0441\u043e\u0431\u0440\u0430\u043d\u043d\u0443\u044e \u0434\u043b\u044f \u043e\u0434\u043d\u043e\u0439 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0441 \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u043d\u043e \u0438\u043d\u043e\u0439 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u043e\u0439, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u0434\u043b\u044f ARM \u043d\u0430 x86-\u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u043c \u041f\u041a. \u0412 \u0440\u0435\u0436\u0438\u043c\u0435 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0432 QEMU \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u0430 \u0432 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u043c \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0438 \u0431\u043b\u0438\u0437\u043a\u0430 \u043a \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0437\u0430 \u0441\u0447\u0451\u0442 \u043f\u0440\u044f\u043c\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0439 \u043d\u0430 CPU \u0438 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-119708","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=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 QEMU 9.1.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri 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