{"id":106084,"date":"2022-12-15T13:06:25","date_gmt":"2022-12-15T11:06:25","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-emulyatora-qemu-7-2"},"modified":"2022-12-15T13:06:25","modified_gmt":"2022-12-15T11:06:25","slug":"vypusk-emulyatora-qemu-7-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sl\/blog\/news\/vypusk-emulyatora-qemu-7-2","title":{"rendered":"Izdaja emulatorja QEMU 7.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Predstavljen je izdaj projekta QEMU 7.2. Kot emulator QEMU omogo\u010da zagon programa, sestavljenega za eno strojno platformo, na sistemu z povsem druga\u010dno arhitekturo, na primer, izvajanje aplikacije za ARM na x86-zdru\u017eljivem osebnem ra\u010dunalniku. V na\u010dinu virtualizacije je zmogljivost izvajanja kode v izoliranem okolju blizu strojni ureditvi, zahvaljujo\u010d neposrednemu izvajanju navodil na CPU in vklju\u010ditvi hipervizorja Xen ali modula KVM.       <\/p>\n<p>Projekt je prvotno ustvaril Fabrice Bellard z namenom omogo\u010diti zagon izvr\u0161nih datotek Linux, sestavljenih za platformo x86, na arhitekturah, razli\u010dnih od x86. Skozi leta razvoja je bila dodana podpora za polno emulacijo za 14 strojnih arhitektur, \u0161tevilo emuliranih strojnih naprav pa je preseglo 400. Pri pripravi razli\u010dice 7.2 je bilo vklju\u010denih ve\u010d kot 1800 sprememb od 205 razvijalcev.     <\/p>\n<p>Klju\u010dna izbolj\u0161anja, dodana v QEMU 7.2:   <\/p>\n<ul>\n<li class=\"l\"> V emulatorju arhitekture x86 v klasi\u010dnem generatorju kode TCG je bila dodana podpora za navodila AVX, AVX2, F16C, FMA3 in VAES, prav tako pa je bila optimizirana zmogljivost v povezavi z uporabo navodil SSE. Za <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sl\/vps\/abuzoustojchivye-vps\/\"   title=\"KVM\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4417\">KVM<\/a> \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u043d\u0438\u044f \u0432\u044b\u0445\u043e\u0434\u0430 \u0438\u0437 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0439 \u043c\u0430\u0448\u0438\u043d\u044b (&#171;notify vmexit&#187;), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u043e\u0431\u043e\u0439\u0442\u0438 \u043e\u0448\u0438\u0431\u043a\u0438 \u0432 CPU, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043e\u0433\u0443\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0437\u0430\u0432\u0438\u0441\u0430\u043d\u0438\u044e.\n<li class=\"l\"> \u0412 \u044d\u043c\u0443\u043b\u044f\u0442\u043e\u0440\u0435 ARM \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 CPU Cortex-A35 \u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043d\u044b\u0445 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0439 ETS (Enhanced Translation Synchronization), PMUv3p5 (PMU Extensions 3.5), GTG (Guest Translation Granule 4KB, 16KB, 64KB), HAFDBS (\u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0435 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0444\u043b\u0430\u0433\u043e\u043c \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435\u043c &#171;dirty&#187;) \u0438 E0PD (\u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0449\u0435\u043d\u0438\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 EL0 \u043a \u0440\u0430\u0437\u0434\u0435\u043b\u0451\u043d\u043d\u044b\u043c \u043a\u0430\u0440\u0442\u0430\u043c \u0430\u0434\u0440\u0435\u0441\u043e\u0432).\n<li class=\"l\"> V emulatorju LoongArch je bila dodana podpora za fw_cfg DMA, vro\u010de priklju\u010ditev pomnilnika in emulacijo naprav TPM (Trusted Platform Module).\n<li class=\"l\"> \u0412 \u044d\u043c\u0443\u043b\u044f\u0442\u043e\u0440\u0435 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b OpenRISC \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 &#8216;virt&#8217; \u0434\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0442\u0435\u0441\u0442\u043e\u0432 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u043d\u0435\u043f\u0440\u0435\u0440\u044b\u0432\u043d\u043e\u0439 \u0438\u043d\u0442\u0435\u0433\u0440\u0430\u0446\u0438\u0438. \u0420\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043c\u043d\u043e\u0433\u043e\u043f\u043e\u0442\u043e\u0447\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043b\u0430\u0441\u0441\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u043a\u043e\u0434\u0430 TCG (Tiny Code Generator).\n<li class=\"l\"> \u0412 \u044d\u043c\u0443\u043b\u044f\u0442\u043e\u0440 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b RISC-V  \u0432 \u044d\u043c\u0443\u043b\u0438\u0440\u0443\u0435\u043c\u044b\u0445 \u043c\u0430\u0448\u0438\u043d\u0430\u0445 &#8216;virt&#8217; \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0438 \u0438\u0437 pflash \u0432 S-\u0440\u0435\u0436\u0438\u043c\u0435 (S-mode). \u0423\u043b\u0443\u0447\u0448\u0435\u043d\u0430 \u0440\u0430\u0431\u043e\u0442\u0430 \u0441 device tree.\n<li class=\"l\"> Emulator arhitekture 390x podr\u017eava ekstenziju MSA5 (Message-Security-Assist Extension 5 s uputstvom PRNO za generisanje pseudona slu\u010dajnih brojeva), instrukcije KIMD\/KLM (implementacija SHA-512) i pro\u0161irenu interpretaciju zPCI za gostuju\u0107e sisteme zasnovane na hipervizoru KVM.\n<li class=\"l\"> U backend-ovima za upravljanje memorijom omogu\u0107eno je prethodno dodeljivanje memorije uzimaju\u0107i u obzir arhitekturu NUMA.\n<li class=\"l\"> Proverena su pobolj\u0161anja u zaglavljima \u0161ifrovanih blok ure\u0111aja LUKS, dodata mogu\u0107nost kreiranja slika LUKS u macOS.\n<li class=\"l\"> U backendu 9pfs, koji omogu\u0107ava kori\u0161\u0107enje mre\u017enog sistema datoteka Plan 9 za pristup jedne virtuelne ma\u0161ine drugoj, pre\u0161lo se na kori\u0161\u0107enje he\u0161a GHashTable u tabeli identifikatora, \u0161to je u nekim situacijama dovelo do pove\u0107anja performansi za 6-12 puta.\n<li class=\"l\"> Dodani su novi netdev backend-ovi stream i dgram.\n<li class=\"l\"> U agentu za gostuju\u0107e sisteme zasnovane na arhitekturi ARM dodata je podr\u0161ka za FreeBSD.\n<li class=\"l\"> U GUI izdanjima za macOS omogu\u0107eno je uklju\u010divanje interfejsa zasnovanih na Cocoa i SDL\/GTK u jedinstvenu izvr\u0161nu datoteku.\n<li class=\"l\"> \u0423\u0434\u0430\u043b\u0451\u043d \u0432\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u044b\u0439 \u0441\u0443\u0431\u043c\u043e\u0434\u0443\u043b\u044c &#171;slirp&#187;, \u0432\u043c\u0435\u0441\u0442\u043e \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u0435\u0442\u0441\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u0443\u044e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 libslirp.\n<li class=\"l\"> \u0418\u0437-\u0437\u0430 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043e\u0431\u044a\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u0441\u0442\u0430\u0440\u0435\u0432\u0448\u0435\u0439 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0445\u043e\u0441\u0442-\u0441\u0438\u0441\u0442\u0435\u043c \u0441 32-\u0440\u0430\u0437\u0440\u044f\u0434\u043d\u044b\u043c\u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u043c\u0438 MIPS, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0445 \u043f\u043e\u0440\u044f\u0434\u043a\u043e\u043c \u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u0431\u0430\u0439\u0442 &#171;Big endian&#187;.    <\/ul>\n<p>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=58327\">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 7.2. \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-106084","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 7.2.\" \/>\n\t<meta name=\"robots\" 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