{"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\/hu\/blog\/news\/vypusk-emulyatora-qemu-5-0","title":{"rendered":"A QEMU 5.0 emul\u00e1tor kiad\u00e1sa","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\">Bemutatva<\/a><\/noindex> a projekt kiad\u00e1s\u00e1t <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.qemu.org\/Download\">QEMU 5.0<\/a><\/noindex>. A QEMU emul\u00e1tork\u00e9nt lehet\u0151v\u00e9 teszi, hogy az egy adott hardverplatformra k\u00e9sz\u00fclt programokat teljesen elt\u00e9r\u0151 architekt\u00far\u00e1j\u00fa rendszeren futtassuk, p\u00e9ld\u00e1ul ARM alkalmaz\u00e1sokat x86 kompatibilis PC-n. A QEMU virtualiz\u00e1ci\u00f3s m\u00f3dj\u00e1ban a k\u00f3d v\u00e9grehajt\u00e1s\u00e1nak teljes\u00edtm\u00e9nye az elszigetelt k\u00f6rnyezetben k\u00f6zel \u00e1ll a nat\u00edv rendszerhez, mivel k\u00f6zvetlen\u00fcl a CPU utas\u00edt\u00e1sait hajtja v\u00e9gre, \u00e9s a Xen hypervisort vagy a KVM modult haszn\u00e1lja. <\/p>\n<p>A projektet eredetileg Fabrice Bellard hozta l\u00e9tre azzal a c\u00e9llal, hogy lehet\u0151v\u00e9 tegye az x86 platformra k\u00e9sz\u00edtett Linux futtathat\u00f3 f\u00e1jlok nem x86 architekt\u00far\u00e1kon val\u00f3 ind\u00edt\u00e1s\u00e1t. A fejleszt\u00e9s \u00e9vei alatt 14 hardverarchitekt\u00fara teljes emul\u00e1ci\u00f3j\u00e1nak t\u00e1mogat\u00e1sa ker\u00fclt hozz\u00e1ad\u00e1sra, \u00e9s az emul\u00e1lt hardvereszk\u00f6z\u00f6k sz\u00e1ma meghaladja a 400-at. Az 5.0-\u00e1s verzi\u00f3 el\u0151k\u00e9sz\u00edt\u00e9se sor\u00e1n t\u00f6bb mint 2800 v\u00e1ltoztat\u00e1st v\u00e9geztek el 232 fejleszt\u0151t\u0151l. <\/p>\n<p>Kulcsok <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.qemu.org\/ChangeLog\/5.0\">fejleszt\u00e9sek<\/a><\/noindex>, amelyek a QEMU 5.0-ba ker\u00fcltek be: <\/p>\n<ul>\n<li class=\"l\"> A gazdaszerver f\u00e1jlrendszer\u00e9nek egy r\u00e9sz\u00e9nek \u00e1tkonfigur\u00e1l\u00e1sa a vend\u00e9g rendszerbe <noindex><a rel=\"nofollow\" href=\"https:\/\/virtio-fs.gitlab.io\/\">virtiofsd<\/a><\/noindex>. A vend\u00e9g rendszer csatlakoztathat egy olyan k\u00f6nyvt\u00e1rat, amelyet a gazdaszerver oldalon export\u00e1l\u00e1sra jel\u00f6ltek ki, ami jelent\u0151sen megk\u00f6nny\u00edti a k\u00f6z\u00f6s k\u00f6nyvt\u00e1rak szervez\u00e9s\u00e9t virtualiz\u00e1ci\u00f3s rendszerekben. A h\u00e1l\u00f3zati f\u00e1jlrendszerek, mint az NFS \u00e9s a virtio-9P haszn\u00e1lat\u00e1val ellent\u00e9tben a virtiofs a helyi f\u00e1jlrendszerhez k\u00f6zeli teljes\u00edtm\u00e9nyt tesz lehet\u0151v\u00e9;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/git.qemu.org\/?p=qemu.git;a=blob;f=docs\/interop\/dbus-vmstate.rst\">T\u00e1mogat\u00e1s<\/a><\/noindex> \u00e9l\u0151 migr\u00e1ci\u00f3s lehet\u0151s\u00e9g adatfolyamok sz\u00e1m\u00e1ra, amelyek a QEMU D-Bus buszt haszn\u00e1lj\u00e1k;\n<li class=\"l\"> Azt is lehet\u0151v\u00e9 teszi, hogy <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/qemu\/qemu\/blob\/master\/docs\/memory-hotplug.txt\">mem\u00f3ria backendeket<\/a><\/noindex> a vend\u00e9g rendszer f\u0151 RAM-j\u00e1nak m\u0171k\u00f6dtet\u00e9s\u00e9re. A h\u00e1tt\u00e9r be\u00e1ll\u00edt\u00e1sa a 1-machine memory-backend7; opci\u00f3val t\u00f6rt\u00e9nik;\n<li class=\"l\">  \u00daj 1-compress7; sz\u0171r\u0151, amely t\u00f6m\u00f6r\u00edtett biztons\u00e1gi m\u00e1solatok k\u00e9sz\u00edt\u00e9s\u00e9re haszn\u00e1lhat\u00f3 k\u00e9pekhez;\n<li class=\"l\"> A 1-qemu-img measure7; parancs mostant\u00f3l LUKS k\u00e9pekkel is m\u0171k\u00f6dhet, \u00e9s a 1-qemu-img convert7; parancsba beker\u00fclt a 1--target-is-zero7; opci\u00f3 a c\u00e9lk\u00e9p null\u00e1z\u00e1s\u00e1nak kihagy\u00e1s\u00e1ra;\n<li class=\"l\"> K\u00eds\u00e9rleti t\u00e1mogat\u00e1s ker\u00fclt hozz\u00e1ad\u00e1sra a qemu-storage-daemon folyamathoz, amely hozz\u00e1f\u00e9r\u00e9st biztos\u00edt a QEMU blokkszintj\u00e9hez \u00e9s a QMP parancsokhoz, bele\u00e9rtve a blokkeszk\u00f6z\u00f6kkel val\u00f3 m\u0171veletek v\u00e9grehajt\u00e1s\u00e1t \u00e9s egy be\u00e9p\u00edtett NBD szervert, an\u00e9lk\u00fcl, hogy teljes virtu\u00e1lis g\u00e9pet kellene ind\u00edtani;\n<li class=\"l\"> Az ARM architekt\u00fara emul\u00e1torhoz hozz\u00e1ad\u00f3dott a Cortex-M7 CPU emul\u00e1l\u00e1si lehet\u0151s\u00e9ge, \u00e9s t\u00e1mogatott a tacoma-bmc, Netduino Plus 2 \u00e9s Orangepi PC alaplapok. A 1irt1; emul\u00e1lt g\u00e9pekhez hozz\u00e1ad\u00f3dott a vTPM \u00e9s a virtio-iommu eszk\u00f6z\u00f6k t\u00e1mogat\u00e1sa. Elavultt\u00e1 v\u00e1lt az AArch32 hosztrendszerek haszn\u00e1lat\u00e1val t\u00f6rt\u00e9n\u0151 KVM vend\u00e9g k\u00f6rnyezetek ind\u00edt\u00e1sa. T\u00e1mogat\u00e1s megval\u00f3sult az al\u00e1bbi architekt\u00far\u00e1k emul\u00e1l\u00e1s\u00e1hoz:\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\"> A HPPA architekt\u00fara emul\u00e1tor\u00e1ban t\u00e1mogat\u00e1s ker\u00fclt hozz\u00e1ad\u00e1sra grafikus konzol megjelen\u00edt\u00e9s\u00e9re HP Artist grafikus eszk\u00f6zzel;\n<li class=\"l\"> A MIPS architekt\u00fara emul\u00e1tor\u00e1ba t\u00e1mogat\u00e1s ker\u00fclt a GINVT (Global Invalidation TLB) utas\u00edt\u00e1shoz;\n<li class=\"l\"> A PowerPC architekt\u00fara emul\u00e1tor\u00e1ban a 1powernv1; g\u00e9pekhez hozz\u00e1ad\u00f3dott a KVM hardveres gyors\u00edt\u00e1st t\u00e1mogat\u00f3 emul\u00e1ci\u00f3 a vend\u00e9g rendszerek ind\u00edt\u00e1s\u00e1hoz.<br \/>\n KVM klasszikus TCG (Tiny Code Generator) k\u00f3dgener\u00e1torral. Az \u00e1lland\u00f3 mem\u00f3ria emul\u00e1l\u00e1s\u00e1hoz hozz\u00e1ad\u00f3dott a f\u00e1jlba t\u00fckr\u00f6z\u00f6tt NVDIMM t\u00e1mogat\u00e1s. A 1pseries1; g\u00e9pek eset\u00e9ben elt\u00e1vol\u00edtott\u00e1k a reboot sz\u00fcks\u00e9gess\u00e9g\u00e9t az XIVE\/XICS megszak\u00edt\u00f3k m\u0171k\u00f6d\u00e9s\u00e9nek egyeztet\u00e9s\u00e9hez 1ic-mode=dual7; m\u00f3dban;<\/p>\n<li class=\"l\"> A RISC-V architekt\u00fara emul\u00e1tor\u00e1ban a 1virt1; \u00e9s 1sifive_u1; alaplapokhoz megval\u00f3sult a syscon \u00e1ltal\u00e1nos illeszt\u0151programok t\u00e1mogat\u00e1sa a Linuxban az energiatakar\u00e9koss\u00e1g \u00e9s \u00fajraind\u00edt\u00e1s kezel\u00e9s\u00e9re. A 1virt1; alaplaphoz hozz\u00e1ad\u00f3dott a Goldfish RTC t\u00e1mogat\u00e1s. Hozz\u00e1ad\u00f3dott egy k\u00eds\u00e9rleti megval\u00f3s\u00edt\u00e1s a hypervisor kiterjeszt\u00e9sekhez;\n<li class=\"l\"> Support for AIS (Adapter Interrupt Suppression) has been added to the s390 architecture emulator when operating in KVM mode.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Forr\u00e1s: <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 5.0.3 - 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\/hu\/blog\/news\/vypusk-emulyatora-qemu-5-0\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" 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