{"id":79760,"date":"2020-04-30T07:42:17","date_gmt":"2020-04-30T05:42:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-emulyatora-qemu-5-0"},"modified":"2020-04-30T07:42:17","modified_gmt":"2020-04-30T05:42:17","slug":"vypusk-emulyatora-qemu-5-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/vypusk-emulyatora-qemu-5-0","title":{"rendered":"Izdanje emulatora QEMU 5.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/lists.nongnu.org\/archive\/html\/qemu-devel\/2020-04\/msg04942.html\">Predstavljen<\/a><\/noindex> izdanje projekta <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.qemu.org\/Download\">QEMU 5.0<\/a><\/noindex>. Kao emulator, QEMU omogu\u0107uje pokretanje programa sastavljenih za jednu hardversku platformu na sustavu s potpuno druga\u010dijom arhitekturom, na primjer, izvr\u0161avanje aplikacije za ARM na x86-kompatibilnom PC-u. U na\u010dinu virtualizacije, izvedba koda u izoliranom okru\u017eenju bliska je nativnim sustavima zahvaljuju\u0107i izravnom izvr\u0161avanju instrukcija na CPU-u i kori\u0161tenju hipervizora Xen ili KVM modula. <\/p>\n<p>Projekt je prvotno stvorio Fabrice Bellard kako bi omogu\u0107io pokretanje izvr\u0161nih datoteka Linuxa sakupljenih za x86 platformu na arhitekturama koje se razlikuju od x86. Tijekom godina razvoja dodana je potpuna emulacija za 14 hardverskih arhitektura, a broj emuliranih hardverskih ure\u0111aja prema\u0161io je 400. U pripremi verzije 5.0 uneseno je vi\u0161e od 2800 promjena od 232 razvijatelja. <\/p>\n<p>Klju\u010dne <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.qemu.org\/ChangeLog\/5.0\">pobolj\u0161anja<\/a><\/noindex>, dodane u QEMU 5.0: <\/p>\n<ul>\n<li class=\"l\"> Mogu\u0107nost proslje\u0111ivanja dijela datote\u010dnog sistema doma\u0107eg okru\u017eenja u gostuju\u0107i sistem putem <noindex><a rel=\"nofollow\" href=\"https:\/\/virtio-fs.gitlab.io\/\">virtiofsd<\/a><\/noindex>. Gostuju\u0107i sistem mo\u017ee montirati direktorij ozna\u010den za izvoz sa strane doma\u0107eg sistema, \u0161to zna\u010dajno pojednostavljuje organizaciju zajedni\u010dkog pristupa direktorijima u virtualizacijskim sistemima. Za razliku od primjene mre\u017enih datote\u010dnih sistema kao \u0161to su NFS i virtio-9P, virtiofs omogu\u0107ava postizanje performansi sli\u010dnih lokalnom datote\u010dnom sistemu;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/git.qemu.org\/?p=qemu.git;a=blob;f=docs\/interop\/dbus-vmstate.rst\">Podr\u0161ka<\/a><\/noindex> live-migracije podataka vanjskih procesa koji koriste QEMU D-Bus bus;\n<li class=\"l\"> Mogu\u0107nost kori\u0161tenja <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/qemu\/qemu\/blob\/master\/docs\/memory-hotplug.txt\">backendova memorije<\/a><\/noindex> za osiguranje rada glavne radne memorije gostuju\u0107eg sustava. Backend se postavlja pomo\u0107u opcije &#171;-machine memory-backend&#187;;\n<li class=\"l\">  Novi filtar &#171;compress&#187;, koji se mo\u017ee koristiti za izradu komprimiranih sigurnosnih kopija slika;\n<li class=\"l\"> Naredba &#171;qemu-img measure&#187; sada mo\u017ee raditi sa slikama LUKS, dok je naredbi &#171;qemu-img convert&#187; dodana opcija &#171;&#8212;target-is-zero&#187; za presko\u010diti nulte ciljne slike;\n<li class=\"l\"> Dodana je eksperimentalna podr\u0161ka za proces qemu-storage-daemon, koji pru\u017ea pristup blok-nivou QEMU i QMP naredbama, uklju\u010duju\u0107i rad s blok ure\u0111ajima i ugra\u0111eni NBD server, bez potrebe za pokretanjem pune virtualne ma\u0161ine;\n<li class=\"l\"> U emulator arhitekture ARM dodana je mogu\u0107nost emulacije CPU Cortex-M7 i osigurana je podr\u0161ka za plo\u010de tacoma-bmc, Netduino Plus 2 i Orangepi PC. U emulirane ma\u0161ine &#8216;virt&#8217; dodana je podr\u0161ka za ure\u0111aje vTPM i virtio-iommu. Objavljena je zastarjelo kori\u0161tenje host sustava AArch32 za pokretanje gostuju\u0107ih okru\u017eenja KVM. Implementirana je podr\u0161ka za emulaciju sljede\u0107ih mogu\u0107nosti arhitektura:\n<ul>\n<li> ARMv8.1: VHE, VMID16, PAN, PMU\n<li> ARMv8.2: UAO, DCPoP, ATS1E1, TTCNP\n<li> ARMv8.3: RCPC, CCIDX\n<li> ARMv8.4: PMU, RCPC\n<\/ul>\n<li class=\"l\"> U emulator arhitekture HPPA dodana je podr\u0161ka za grafi\u010dku konzolu koriste\u0107i grafi\u010dki ure\u0111aj HP Artist;\n<li class=\"l\"> U emulator arhitekture MIPS dodana je podr\u0161ka za instrukciju GINVT (Global Invalidation TLB);\n<li class=\"l\"> U emulatoru arhitekture PowerPC za ma\u0161ine &#8216;powernv&#8217; dodana je emulacija hardverskih akceleratora KVM za pokretanje gostuju\u0107ih sustava<br \/>\n KVM s klasi\u010dnim generatorom koda TCG (Tiny Code Generator). Za emulaciju trajne memorije dodana je podr\u0161ka za reflektirane u datoteku NVDIMM. Za ma\u0161ine &#8216;pseries&#8217; uklonjena je potreba za ponovnim pokretanjem za uskla\u0111ivanje rada kontrolera prekida XIVE\/XICS u na\u010dinu &#171;ic-mode=dual&#187;;<\/p>\n<li class=\"l\"> U emulatoru arhitekture RISC-V za plo\u010de &#8216;virt&#8217; i &#8216;sifive_u&#8217; implementirana je podr\u0161ka za tipi\u010dne drajvere syscon u Linuxu za upravljanje napajanjem i ponovnim pokretanjem. Za plo\u010du &#8216;virt&#8217; dodana je podr\u0161ka za Goldfish RTC. Dodana je eksperimentalna implementacija pro\u0161irenja hipervizora;\n<li class=\"l\"> U emulatoru arhitekture s390 dodana je podr\u0161ka za AIS (Adapter Interrupt Suppression) prilikom rada u KVM na\u010dinu.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Izvor: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52839\">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 5.0. \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 \u043d\u0430\u0442\u0438\u0432\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-79760","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.\" \/>\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\/hr\/blog\/news\/vypusk-emulyatora-qemu-5-0\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" 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