{"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\/pl\/blog\/news\/vypusk-emulyatora-qemu-5-0","title":{"rendered":"Wydanie 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\">Przedstawiony<\/a><\/noindex> premiera projektu <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.qemu.org\/Download\">QEMU 5.0<\/a><\/noindex>. Jako emulator QEMU pozwala uruchomi\u0107 program skompilowany dla jednej platformy sprz\u0119towej na systemie o zupe\u0142nie innej architekturze, na przyk\u0142ad uruchomi\u0107 aplikacj\u0119 dla ARM na komputerze z procesorem zgodnym z x86. W trybie wirtualizacji w QEMU wydajno\u015b\u0107 wykonywania kodu w izolowanym \u015brodowisku jest bliska natywnej dzi\u0119ki bezpo\u015bredniemu wykonywaniu instrukcji na CPU i wykorzystaniu hypervisora Xen lub modu\u0142u KVM. <\/p>\n<p>Projekt zosta\u0142 pierwotnie stworzony przez Fabrice'a Bellarda w celu umo\u017cliwienia uruchamiania plik\u00f3w wykonywalnych Linux skompilowanych dla platformy x86 na architekturach innych ni\u017c x86. W ci\u0105gu lat rozwoju dodano wsparcie dla pe\u0142nej emulacji 14 architektur sprz\u0119towych, a liczba emulowanych urz\u0105dze\u0144 sprz\u0119towych przekroczy\u0142a 400. W przygotowaniu wersji 5.0 wprowadzono ponad 2800 zmian od 232 deweloper\u00f3w. <\/p>\n<p>Kluczowe <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.qemu.org\/ChangeLog\/5.0\">ulepszenia<\/a><\/noindex>, dodanych w QEMU 5.0: <\/p>\n<ul>\n<li class=\"l\"> Mo\u017cliwo\u015b\u0107 przekazywania cz\u0119\u015bci systemu plik\u00f3w z \u015brodowiska hosta do systemu go\u015bcia za pomoc\u0105 <noindex><a rel=\"nofollow\" href=\"https:\/\/virtio-fs.gitlab.io\/\">virtiofsd<\/a><\/noindex>. System go\u015bcia mo\u017ce zamontowa\u0107 katalog oznaczony do eksportu po stronie systemu hosta, co znacznie upraszcza organizacj\u0119 wsp\u00f3\u0142dzielenia katalog\u00f3w w systemach wirtualizacji. W przeciwie\u0144stwie do korzystania z sieciowych system\u00f3w plik\u00f3w, takich jak NFS i virtio-9P, virtiofs pozwala osi\u0105gn\u0105\u0107 wydajno\u015b\u0107 zbli\u017con\u0105 do lokalnego systemu plik\u00f3w;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/git.qemu.org\/?p=qemu.git;a=blob;f=docs\/interop\/dbus-vmstate.rst\">Wsparcie<\/a><\/noindex> live-migracji danych z zewn\u0119trznych proces\u00f3w korzystaj\u0105cych z magistrali QEMU D-Bus;\n<li class=\"l\"> Mo\u017cliwo\u015b\u0107 korzystania z <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/qemu\/qemu\/blob\/master\/docs\/memory-hotplug.txt\">backend\u00f3w pami\u0119ci<\/a><\/noindex> aby zapewni\u0107 dzia\u0142anie g\u0142\u00f3wnej pami\u0119ci operacyjnej systemu go\u015bcia. Backend jest okre\u015blany za pomoc\u0105 opcji &#171;-machine memory-backend&#187;;\n<li class=\"l\">  Nowy filtr &#171;compress&#187;, kt\u00f3ry mo\u017cna wykorzysta\u0107 do tworzenia skompresowanych kopii zapasowych obraz\u00f3w;\n<li class=\"l\"> Polecenie &#171;qemu-img measure&#187; mo\u017ce teraz dzia\u0142a\u0107 z obrazami LUKS, a do polecenia &#171;qemu-img convert&#187; dodano opcj\u0119 &#171;&#8212;target-is-zero&#187; do pomini\u0119cia zerowania docelowego obrazu;\n<li class=\"l\"> Dodano eksperymentalne wsparcie dla procesu qemu-storage-daemon, kt\u00f3ry udost\u0119pnia dost\u0119p do poziomu blokowego QEMU i polecenia QMP, w tym wykonywanie operacji z urz\u0105dzeniami blokowymi i wbudowany serwer NBD, bez potrzeby uruchamiania pe\u0142nej maszyny wirtualnej;\n<li class=\"l\"> Do emulatora architektury ARM dodano mo\u017cliwo\u015b\u0107 emulacji CPU Cortex-M7 oraz wsparcie dla p\u0142yt tacoma-bmc, Netduino Plus 2 i Orangepi PC. W emulowanych maszynach &#8216;virt&#8217; dodano wsparcie dla urz\u0105dze\u0144 vTPM i virtio-iommu. Og\u0142oszono przestarza\u0142\u0105 mo\u017cliwo\u015b\u0107 korzystania z system\u00f3w host\u00f3w AArch32 do uruchamiania \u015brodowisk go\u015bci KVM. Zrealizowano wsparcie dla emulacji nast\u0119puj\u0105cych mo\u017cliwo\u015bci architektur:\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\"> W emulatorze architektury HPPA dodano wsparcie dla graficznego interfejsu konsoli z wykorzystaniem graficznego urz\u0105dzenia HP Artist;\n<li class=\"l\"> W emulatorze architektury MIPS dodano wsparcie dla instrukcji GINVT (Global Invalidation TLB);\n<li class=\"l\"> W emulatorze architektury PowerPC dla maszyn &#8216;powernv&#8217; dodano emulacj\u0119 sprz\u0119towych \u015brodk\u00f3w przyspieszaj\u0105cych KVM do uruchamiania system\u00f3w go\u015bci.<br \/>\n KVM z klasycznym generatorem kodu TCG (Tiny Code Generator). Do emulacji pami\u0119ci nieulotnej dodano wsparcie dla odzwierciedlonych w pliku NVDIMM. Dla maszyn &#8216;pseries&#8217; usuni\u0119to konieczno\u015b\u0107 ponownego uruchamiania w celu synchronizacji pracy kontroler\u00f3w przerwa\u0144 XIVE\/XICS w trybie &#171;ic-mode=dual&#187;;<\/p>\n<li class=\"l\"> W emulatorze architektury RISC-V dla p\u0142yt &#8216;virt&#8217; i &#8216;sifive_u&#8217; wprowadzono wsparcie dla typowych sterownik\u00f3w syscon w Linux do zarz\u0105dzania zasilaniem i ponownym uruchamianiem. Dla p\u0142yty &#8216;virt&#8217; dodano wsparcie dla Goldfish RTC. Dodano eksperymentaln\u0105 implementacj\u0119 rozszerze\u0144 hiperinwertera;\n<li class=\"l\"> W emulatorze architektury s390 dodano wsparcie AIS (Adapter Interrupt Suppression) podczas pracy w trybie KVM.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <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 5.0.1.1 - 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.\" \/>\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\/pl\/blog\/news\/vypusk-emulyatora-qemu-5-0\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" 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