{"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\/sl\/blog\/news\/vypusk-emulyatora-qemu-8-0","title":{"rendered":"Izdanje emulatora QEMU 8.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Izdan je QEMU 8.0. Kao emulator, QEMU omogu\u0107ava pokretanje programa koji su sastavljeni za jednu hardversku platformu na sistemu sa potpuno druga\u010dijom arhitekturom, na primer, izvr\u0161enje aplikacije za ARM na x86-kompatibilnom ra\u010dunaru. U re\u017eimu virtualizacije, performanse izvr\u0161avanja koda u izolovanom okru\u017eenju su bliske hardverskom sistemu zahvaljuju\u0107i direktnom izvr\u0161avanju instrukcija na CPU-u i kori\u0161\u0107enju hipervizora Xen ili KVM modula.       <\/p>\n<p>Projekat je prvobitno kreirao Fabrice Bellard s ciljem omogu\u0107avanja pokretanja izvr\u0161nih datoteka Linux-a sastavljenih za x86 platformu na arhitekturama koje se razlikuju od x86. Tokom godina razvoja dodata je podr\u0161ka za punu emulaciju za 14 hardverskih arhitektura, a broj emuliranih hardverskih ure\u0111aja prema\u0161io je 400. U pripremi verzije 8.0 izvr\u0161eno je vi\u0161e od 2800 izmena od strane 238 programera.     <\/p>\n<p>Klju\u010dna pobolj\u0161anja dodata u QEMU 8.0:   <\/p>\n<ul>\n<li class=\"l\"> Podr\u0161ka za sistemsku emulaciju (pokretanje celokupnog OS-a, uklju\u010duju\u0107i hipervizore i Xen) na 32-bitnim x86 doma\u0107inima ogla\u0161ena je kao zastarela i uskoro \u0107e biti ukinuta. Podr\u0161ka za emulaciju u re\u017eimu user-mode (pokretanje pojedina\u010dnih procesa sastavljenih za drugi CPU) na 32-bitnim x86 doma\u0107inima \u0107e se nastaviti. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sl\/vps\/abuzoustojchivye-vps\/\"   title=\"KVM\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4421\">KVM<\/a> U emulatoru x86 dodata je podr\u0161ka za pokretanje Xen gostuju\u0107ih sistema u okru\u017eenju zasnovanom na KVM hipervizoru i Linux jezgrima 5.12+.\n<li class=\"l\"> U klasi\u010dnom TCG generatoru koda za x86 dodata je podr\u0161ka za CPUID zastavice FSRM, FZRM, FSRS i FSRC. Implementirana je podr\u0161ka za novi Intel CPU model Sapphire Rapids (Intel 7).\n<li class=\"l\"> U ARM emulatoru implementirana je podr\u0161ka za CPU Cortex-A55 i Cortex-R52, dodan je novi tip emuliranih ma\u0161ina Olimex STM32 H405, kao i podr\u0161ka za procesorske ekstenzije FEAT_EVT (Pobolj\u0161ani virtuelni zamke), FEAT_FGT (Fino-granularne zamke) i AArch32 ARMv8-R. U gdbstub je dodata podr\u0161ka za sistemske registre za M-profil arhitekturu (profil mikrokontrolera).\n<li class=\"l\"> U RISC-V emulatoru a\u017eurirana je realizacija emuliranih ma\u0161ina OpenTitan, PolarFire i OpenSBI. Dodana je podr\u0161ka za dodatne skupove instrukcija procesora (ISA) i ekstenzije: Smstateen, podr\u0161ka za M-ra\u010dunare icount, povezane sa PMU doga\u0111ajima u virtuelnom re\u017eimu, ACPI, ekstenzije Zawrs, Svadu, T-Head i Zicond.\n<li class=\"l\"> U HPPA emulatoru dodata je podr\u0161ka za instrukciju fid (Floating-Point Identify) i pobolj\u0161ana je emulacija u 32-bitnom re\u017eimu.\n<li class=\"l\"> \u0412 \u044d\u043c\u0443\u043b\u044f\u0442\u043e\u0440 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b HPPA  \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0438 fid (Floating-Point Identify \u0438 \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0430 \u044d\u043c\u0443\u043b\u044f\u0446\u0438\u044f \u0432 32-\u0440\u0430\u0437\u0440\u044f\u0434\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0435.\n<li class=\"l\"> V emulatorju arhitekture 390x je podprta asimetri\u010dna odklopitev pomnilnika ob ponovnem zagonu za\u0161\u010ditenih gostiteljskih sistemov KVM. Izbolj\u0161ano je obvladovanje prehodnih naprav zPCI.\n<li class=\"l\"> V mehanizmu virtio-mem, ki omogo\u010da vro\u010de povezovanje in odklapljanje pomnilnika z virtualnimi napravami, je implementirano predhodno dodeljevanje virov (preallocation) med live-migracijo.\n<li class=\"l\"> V VFIO (Virtual Function I\/O) je posodobljena eksperimentalna podpora za migracijo (vklju\u010dena je druga izdaja migracijskega protokola).\n<li class=\"l\"> V blokovni napravi qemu-nbd je izbolj\u0161ana u\u010dinkovitost delovanja po TCP pri uporabi TLS.\n<li class=\"l\"> V agentu za gostiteljske sisteme je dodana za\u010detna podpora za OpenBSD in NetBSD.             <\/ul>\n<p>Izvor: <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 Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/sl\/blog\/news\/vypusk-emulyatora-qemu-8-0\" \/>\n\t\t<meta 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