{"id":107985,"date":"2023-04-20T12:48:23","date_gmt":"2023-04-20T10:48:23","guid":{"rendered":"https:\/\/prohoster.info\/?p=107985"},"modified":"2023-04-20T12:58:44","modified_gmt":"2023-04-20T10:58:44","slug":"vypusk-emulyatora-qemu-8-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/vypusk-emulyatora-qemu-8-0","title":{"rendered":"Lansarea emulatorului QEMU 8.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A fost lansat\u0103 versiunea QEMU 8.0. Ca emulator, QEMU permite rularea unui program compilat pentru o platform\u0103 hardware pe un sistem cu o arhitectur\u0103 complet diferit\u0103, de exemplu, executarea unei aplica\u021bii pentru ARM pe un PC compatibil cu x86. \u00cen modul de virtualizare, performan\u021ba execu\u021biei codului \u00eentr-un mediu izolat se apropie de cea a sistemului hardware datorit\u0103 execut\u0103rii directe a instruc\u021biunilor pe CPU \u0219i utiliz\u0103rii hipervizorului Xen sau a modulului KVM.       <\/p>\n<p>Ini\u021bial, proiectul a fost creat de Fabrice Bellard cu scopul de a permite rularea fi\u0219ierelor executabile Linux compilate pentru platforma x86 pe arhitecturi diferite de x86. De-a lungul anilor de dezvoltare, s-a ad\u0103ugat suport pentru emularea complet\u0103 a 14 arhitecturi hardware, iar num\u0103rul dispozitivelor hardware emulate a dep\u0103\u0219it 400. \u00cen preg\u0103tirea versiunii 8.0, au fost introduse peste 2800 de modific\u0103ri de la 238 de dezvoltatori.     <\/p>\n<p>\u00cembun\u0103t\u0103\u021birile cheie ad\u0103ugate \u00een QEMU 8.0 sunt:   <\/p>\n<ul>\n<li class=\"l\"> Suportul pentru emularea sistemului (rularea complet\u0103 a OS, inclusiv cu utilizarea hipervizoarelor \u0219i Xen) pe gazde de 32 de bi\u021bi cu arhitectura x86 a fost declarat \u00eenvechit \u0219i va fi \u00eentrerupt \u00een cur\u00e2nd. Suportul pentru emularea \u00een modul user (rularea unor procese individuale, compilate pentru un alt CPU) pe gazde x86 de 32 de bi\u021bi va continua. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/vps\/abuzoustojchivye-vps\/\"   title=\"KVM\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4421\">KVM<\/a> \u00cen emulatorul arhitecturii x86 a fost ad\u0103ugat suport pentru rularea sistemelor gazd\u0103 Xen \u00een medii bazate pe hipervizorul KVM \u0219i kerneluri Linux 5.12+.\n<li class=\"l\"> \u00cen generatorul clasic de cod TCG pentru arhitectura x86 a fost ad\u0103ugat suport pentru flagurile CPUID FSRM, FZRM, FSRS \u0219i FSRC. A fost implementat suportul pentru noua model de CPU Intel Sapphire Rapids (Intel 7).\n<li class=\"l\"> \u00cen emulatorul ARM a fost implementat suport pentru CPU Cortex-A55 \u0219i Cortex-R52, a fost ad\u0103ugat un nou tip de ma\u0219ini emulate Olimex STM32 H405, a fost ad\u0103ugat suport pentru extensiile procesorului FEAT_EVT (Enhanced Virtualization Traps), FEAT_FGT (Fine-Grained Traps) \u0219i AArch32 ARMv8-R. \u00cen gdbstub a fost ad\u0103ugat suport pentru registrele sistemului pentru arhitectura M-profile (profilul microcontrolerelor).\n<li class=\"l\"> \u00cen emulatorul arhitecturii RISC-V a fost actualizat\u0103 implementarea ma\u0219inilor emulatoare OpenTitan, PolarFire \u0219i OpenSBI. A fost ad\u0103ugat suport pentru seturi suplimentare de instruc\u021biuni pentru procesor (ISA) \u0219i extensii: Smstateen, contoare de depanare icount asociate cu cache-ul evenimentului PMU \u00een modul virtual, ACPI, extensii Zawrs, Svadu, T-Head \u0219i Zicond.\n<li class=\"l\"> \u00cen emulatorul arhitecturii HPPA a fost ad\u0103ugat suport pentru instruc\u021biunea fid (Floating-Point Identify) \u0219i a fost \u00eembun\u0103t\u0103\u021bit\u0103 emularea \u00een modul de 32 de bi\u021bi.\n<li class=\"l\"> \u00cen emulatorul arhitecturii HPPA a fost ad\u0103ugat suport pentru instruc\u021biunea fid (Floating-Point Identify) \u0219i a fost \u00eembun\u0103t\u0103\u021bit\u0103 emularea \u00een modul de 32 de bi\u021bi.\n<li class=\"l\"> \u00cen emulatorul arhitecturii 390x a fost ad\u0103ugat\u0103 suportul pentru deconectarea asyncron\u0103 a memoriei la repornirea sistemelor gazd\u0103 KVM protejate. A fost \u00eembun\u0103t\u0103\u021bit\u0103 gestionarea dispozitivelor zPCI transmise.\n<li class=\"l\"> \u00cen mecanismul virtio-mem, care permite conectarea \u0219i deconectarea a memoriei pentru ma\u0219inile virtuale \u00een mod hot, a fost implementat\u0103 alocarea preventiv\u0103 de resurse (preallocation) \u00een timpul migra\u021biei live.\n<li class=\"l\"> \u00cen VFIO (Virtual Function I\/O) s-a actualizat suportul experimental pentru migrare (a fost activat\u0103 a doua versiune a protocolului de migrare).\n<li class=\"l\"> \u00cen dispozitivul bloc qemu-nbd a fost crescut\u0103 eficien\u021ba func\u021bion\u0103rii peste TCP atunci c\u00e2nd se folose\u0219te TLS.\n<li class=\"l\"> \u00cen agentul pentru sistemele gazd\u0103 a fost ad\u0103ugat suport ini\u021bial pentru OpenBSD \u0219i NetBSD.             <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59002\">opennet.ro<\/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 8.0. \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-107985","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - 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 8.0.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri 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