{"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\/sk\/blog\/news\/vypusk-emulyatora-qemu-8-0","title":{"rendered":"Vydanie emul\u00e1tora QEMU 8.0.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bol vydan\u00fd projekt QEMU 8.0. Ako emul\u00e1tor QEMU umo\u017e\u0148uje spusti\u0165 program zoraden\u00fd pre jednu hardv\u00e9rov\u00fa platformu na syst\u00e9me s \u00faplne inou architekt\u00farou, napr\u00edklad vykona\u0165 aplik\u00e1ciu pre ARM na po\u010d\u00edta\u010di kompatibilnom s x86. V re\u017eime virtualiz\u00e1cie je v\u00fdkon vykon\u00e1vania k\u00f3du v izolovanom prostred\u00ed bl\u00edzky hardv\u00e9rovej s\u00fastave v\u010faka priamemu vykon\u00e1vaniu in\u0161trukci\u00ed na CPU a zapojeniu hyperv\u00edzora Xen alebo modulu KVM.       <\/p>\n<p>P\u00f4vodne bol projekt vytvoren\u00fd Fabrice Bellard s cie\u013eom umo\u017eni\u0165 sp\u00fa\u0161\u0165anie s\u00faborov Linuxu vytvoren\u00fdch pre platformu x86 na architekt\u00farach odli\u0161n\u00fdch od x86. V priebehu rokov v\u00fdvoja bola pridan\u00e1 podpora \u00faplnej emul\u00e1cie pre 14 hardv\u00e9rov\u00fdch architekt\u00far a po\u010det emulovan\u00fdch hardv\u00e9rov\u00fdch zariaden\u00ed presiahol 400. Pri pr\u00edprave verzie 8.0 bolo vykonan\u00fdch viac ako 2800 zmien od 238 v\u00fdvoj\u00e1rov.     <\/p>\n<p>K\u013e\u00fa\u010dov\u00e9 vylep\u0161enia pridan\u00e9 do QEMU 8.0:   <\/p>\n<ul>\n<li class=\"l\"> Podpora syst\u00e9movej emul\u00e1cie (spus\u0165te cel\u00fa OS, vr\u00e1tane zapojenia hyperv\u00edzorov a Xen) na 32-bitov\u00fdch hostite\u013esk\u00fdch syst\u00e9moch s architekt\u00farou x86 bola vyhl\u00e1sen\u00e1 za zastaran\u00fa a \u010doskoro bude zru\u0161en\u00e1. Podpora emul\u00e1cie v re\u017eime user-mode (spustenie jednotliv\u00fdch procesov, ktor\u00e9 boli vytvoren\u00e9 pre in\u00fd CPU) na 32-bitov\u00fdch hostite\u013esk\u00fdch syst\u00e9moch x86 bude pokra\u010dova\u0165. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/vps\/abuzoustojchivye-vps\/\"   title=\"KVM\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4421\">KVM<\/a> V emul\u00e1tore architekt\u00fary x86 bola pridan\u00e1 podpora sp\u00fa\u0161\u0165ania hos\u0165ovac\u00edch syst\u00e9mov Xen v prostred\u00ed na b\u00e1ze hyperv\u00edzora KVM a jadier Linux 5.12+.\n<li class=\"l\"> V klasickom gener\u00e1tore k\u00f3du TCG pre architekt\u00faru x86 bola pridan\u00e1 podpora CPUID-flagov FSRM, FZRM, FSRS a FSRC. Bola implementovan\u00e1 podpora novej modelovej CPU Intel Sapphire Rapids (Intel 7).\n<li class=\"l\"> V emul\u00e1tore ARM bola implementovan\u00e1 podpora CPU Cortex-A55 a Cortex-R52, bol pridan\u00fd nov\u00fd typ emulovan\u00fdch strojov Olimex STM32 H405, pridan\u00e1 podpora procesorov\u00fdch roz\u0161\u00edren\u00ed FEAT_EVT (Enhanced Virtualization Traps), FEAT_FGT (Fine-Grained Traps) a AArch32 ARMv8-R. Do gdbstub bola pridan\u00e1 podpora syst\u00e9mov\u00fdch registrov pre architekt\u00faru M-profiler (profil mikrocontrollerov).\n<li class=\"l\"> V emul\u00e1tore architekt\u00fary RISC-V bola aktualizovan\u00e1 implement\u00e1cia emulovan\u00fdch strojov OpenTitan, PolarFire a OpenSBI. Bola pridan\u00e1 podpora dodato\u010dn\u00fdch s\u00faborov in\u0161trukci\u00ed procesora (ISA) a roz\u0161\u00edren\u00ed: Smstateen, ladenie po\u010d\u00edta\u010dov icount, s\u00favisiacich s pam\u00e4\u0165ou udalost\u00ed PMU vo virtu\u00e1lnom re\u017eime, ACPI, roz\u0161\u00edrenia Zawrs, Svadu, T-Head a Zicond.\n<li class=\"l\"> V emul\u00e1tore architekt\u00fary HPPA bola pridan\u00e1 podpora in\u0161trukcie fid (Floating-Point Identify) a zlep\u0161en\u00e1 emul\u00e1cia v 32-bitovom re\u017eime.\n<li class=\"l\"> V emul\u00e1tore architekt\u00fary HPPA bola pridan\u00e1 podpora in\u0161trukcie fid (Floating-Point Identify) a vylep\u0161en\u00e1 emul\u00e1cia v 32-bitovom re\u017eime.\n<li class=\"l\"> V emul\u00e1tore architekt\u00fary 390x je podporovan\u00e9 asynchr\u00f3nne odpojenie pam\u00e4te pri re\u0161tartovan\u00ed chr\u00e1nen\u00fdch hostovan\u00fdch syst\u00e9mov KVM. Zlep\u0161ila sa spr\u00e1va presmerovan\u00fdch zariaden\u00ed zPCI.\n<li class=\"l\"> V mechanizme virtio-mem, ktor\u00fd umo\u017e\u0148uje hor\u00face pripojenie a odpojenie pam\u00e4te k virtu\u00e1lnym strojom, bola implementovan\u00e1 predbe\u017en\u00e1 alok\u00e1cia zdrojov (prealok\u00e1cia) pri live-migr\u00e1cii.\n<li class=\"l\"> Vo VFIO (Virtual Function I\/O) bola aktualizovan\u00e1 experiment\u00e1lna podpora migr\u00e1cie (implementovan\u00e1 druh\u00e1 verzia migra\u010dn\u00e9ho protokolu).\n<li class=\"l\"> V blokovom zariaden\u00ed qemu-nbd sa zv\u00fd\u0161ila efektivita pr\u00e1ce cez TCP pri pou\u017e\u00edvan\u00ed TLS.\n<li class=\"l\"> Do agenta pre hostovan\u00e9 syst\u00e9my bola pridan\u00e1 po\u010diato\u010dn\u00e1 podpora OpenBSD a NetBSD.             <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59002\">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 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 5.0.4 - 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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