{"id":53931,"date":"2019-12-13T00:00:00","date_gmt":"2019-12-12T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/vypusk-emulyatora-qemu-4-2"},"modified":"2020-02-18T14:01:52","modified_gmt":"2020-02-18T11:01:52","slug":"vypusk-emulyatora-qemu-4-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/news\/vypusk-emulyatora-qemu-4-2","title":{"rendered":"Lan\u00e7imi i emulatorit QEMU 4.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/lists.nongnu.org\/archive\/html\/qemu-devel\/2019-12\/msg02579.html\">Presented<\/a><\/noindex> l\u00ebshimi i projektit <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.qemu.org\/Download\">QEMU 4.2<\/a><\/noindex>. Si nj\u00eb emulator, QEMU lejon q\u00eb t\u00eb ekzekutohet nj\u00eb program i nd\u00ebrtuar p\u00ebr nj\u00eb platform\u00eb harduerike n\u00eb nj\u00eb sistem me nj\u00eb arkitektur\u00eb krejt\u00ebsisht tjet\u00ebr, p\u00ebr shembull, t\u00eb ekzekutohet nj\u00eb aplikacion p\u00ebr ARM n\u00eb nj\u00eb PC t\u00eb pajtuesh\u00ebm me x86. N\u00eb modin e virtualizimit, performanca e ekzekutimit t\u00eb kodit n\u00eb nj\u00eb mjedis t\u00eb izoluar \u00ebsht\u00eb af\u00ebrsisht e ngjashme me sistemin vendor p\u00ebr shkak t\u00eb ekzekutimit t\u00eb drejtp\u00ebrdrejt\u00eb t\u00eb instruksioneve n\u00eb CPU dhe p\u00ebrfshirjes s\u00eb hipervizorit Xen ose modulit KVM. <\/p>\n<p>Fillimisht, projekti u krijua nga Fabrice Bellard me q\u00ebllim q\u00eb t\u00eb sigurohej mund\u00ebsia e ekzekutimit t\u00eb skedave t\u00eb kodit t\u00eb nd\u00ebrtuar p\u00ebr platform\u00ebn x86 n\u00eb arkitektura t\u00eb ndryshme nga x86. Gjat\u00eb viteve t\u00eb zhvillimit, u shtua p\u00ebrkrahja p\u00ebr simulimin e plot\u00eb p\u00ebr 14 arkitektura harduerike, numri i pajisjeve t\u00eb simulimit ka kaluar 400. Gjat\u00eb p\u00ebrgatitjes s\u00eb versionit 4.2, u b\u00ebn\u00eb m\u00eb shum\u00eb se 2200 ndryshime nga 198 zhvillues. <\/p>\n<p>Karakteristikat kryesore <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.qemu.org\/ChangeLog\/4.2\">p\u00ebrmir\u00ebsime<\/a><\/noindex>, t\u00eb shtuar n\u00eb QEMU 4.2:\n<\/p>\n<ul>\n<li class=\"l\"> N\u00eb gjeneratorin klasik t\u00eb kodit TCG (Tiny Code Generator) \u00ebsht\u00eb implementuar mb\u00ebshtetje p\u00ebr plugina p\u00ebr monitorimin e instruksioneve t\u00eb procesorit dhe adresave n\u00eb memorie;\n<li class=\"l\">  N\u00eb drejtuesin e pajisjeve bllok <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/qemu\/qemu\/blob\/master\/qemu-nbd.c\">NBD<\/a><\/noindex> (Dispositiv Bllok Rrjeti) \u00ebsht\u00eb siguruar p\u00ebrpunim m\u00eb efikas i k\u00ebrkesave t\u00eb kopjimit gjat\u00eb leximit (copy-on-read). Kodi i serverit NBD \u00ebsht\u00eb optimizuar p\u00ebr kopjimin e imazheve me boshll\u00ebqe (shtresa). jan\u00eb kryer p\u00ebrmir\u00ebsime t\u00eb p\u00ebrgjithshme n\u00eb implementimin e klientit dhe serverit NBD;\n<li class=\"l\"> Jan\u00eb rritur performancat e enkriptimit t\u00eb disqeve LUKS duke p\u00ebrdorur algoritmin AES-XTS;\n<li class=\"l\"> N\u00eb vfio-pci \u00ebsht\u00eb shtuar mb\u00ebshtetje p\u00ebr pron\u00ebn \"failover_pair_id\" p\u00ebr t\u00eb leht\u00ebsuar migrimin e pajisjeve VFIO;\n<li class=\"l\"> N\u00eb virtio-mmio \u00ebsht\u00eb shtuar mb\u00ebshtetje p\u00ebr standardin virtio-compatible 2 dhe mekanizmin e paketuara t\u00eb radh\u00ebve virtuale t\u00eb definimit n\u00eb specifikimin virtio 1.1 (<noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oasis-open.org\/virtio\/virtio\/v1.1\/csprd01\/virtio-v1.1-csprd01.html#x1-230005\">virtqueue<\/a><\/noindex>) p\u00ebr shk\u00ebmbimin e t\u00eb dh\u00ebnave me nj\u00eb pajisje virtuale t\u00eb hyrjes\/jesht\u00eb n\u00eb m\u00ebnyr\u00eb paketore;\n<li class=\"l\"> N\u00eb emulatorin e arkitektur\u00ebs x86 \u00ebsht\u00eb shtuar nj\u00eb tip i ri i makinave t\u00eb simulimit \"microvm\", q\u00eb p\u00ebrdorin virtio-mmio n\u00eb vend t\u00eb PCI p\u00ebr optimizimin e performanc\u00ebs. \u00cbsht\u00eb realizuar mund\u00ebsia e ndezjes dhe fikjes s\u00eb VMX p\u00ebrmes flamujve \"-cpu\". \u00cbsht\u00eb shtuar mb\u00ebshtetje p\u00ebr simulimin e zgjerimeve AVX512 BFloat16. \u00cbsht\u00eb siguruar mb\u00ebshtetje p\u00ebr modelet e reja t\u00eb CPU Denverton (SoC server mbi baz\u00ebn e Atom), Snowridge dhe Dhyana. \u00cbsht\u00eb stabilizuar mb\u00ebshtetja p\u00ebr macOS Hypervisor Framework (\"-accel hvf\");\n<li class=\"l\"> N\u00eb emulatorin e arkitektur\u00ebs ARM u shtua mb\u00ebshtetje p\u00ebr emulimin e SoC Aspeed AST2600 (&#171;ast2600-evb&#187;). U shtua mb\u00ebshtetje p\u00ebr teknologjin\u00eb Semihosting 2.0 me zgjerimet STDOUT_STDERR\/EXIT_EXTENDED, e cila lejon pajisjen e emuluar t\u00eb p\u00ebrdor\u00eb stdout, stderr dhe stdin p\u00ebr t\u00eb krijuar skedar\u00eb n\u00eb an\u00ebn e hostit. N\u00eb KVM, u mund\u00ebsua p\u00ebrdorimi i m\u00eb shum\u00eb se 256 CPU dhe u sigurua mb\u00ebshtetje p\u00ebr instrukcionet SIMD SVE. N\u00eb makinat virtuale me tipin &#171;<noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/qemu\/qemu\/blob\/master\/hw\/arm\/virt.c\">virt<\/a><\/noindex>&#187; u realizua mb\u00ebshtetje p\u00ebr lidhjen e nxeht\u00eb t\u00eb memories. U rrit performanca e emulimit duke p\u00ebrdorur gjeneratorin e kodit TCG.\n<li class=\"l\"> N\u00eb emulatorin e arkitektur\u00ebs PowerPC u shfaq mund\u00ebsia p\u00ebr emulimin e instrukcioneve POWER9 mffsce, mffscrn dhe mffscrni. N\u00eb makinat e emuluara &#171;powernv&#187; u shtua mb\u00ebshtetje p\u00ebr pajisjet sistemike Homer dhe OCC SRAM;\n<li class=\"l\"> N\u00eb emulatorin e arkitektur\u00ebs RISC-V u shtua opsioni &#171;-initrd&#187; dhe mund\u00ebsia p\u00ebr t\u00eb par\u00eb gjendjen e plot\u00eb t\u00eb arkitektur\u00ebs n\u00eb debugin;\n<li class=\"l\"> N\u00eb emulatorin e arkitektur\u00ebs s390 u realizua mb\u00ebshtetje p\u00ebr instrukcionet IEP (Mbrojtja e Ekzekutimit t\u00eb Instruksioneve);\n<li class=\"l\"> N\u00eb emulatorin e arkitektur\u00ebs 68k u shtua mund\u00ebsia fillestare p\u00ebr emulimin e Macintosh Quadro 800 dhe sistemeve klasike NeXTcube;\n<li class=\"l\"> N\u00eb emulatorin e arkitektur\u00ebs xtensa u shtua nj\u00eb lloj i ri makinerish t\u00eb emuluara &#171;virt&#187; dhe u realizua mb\u00ebshtetje p\u00ebr ABI call0 p\u00ebr emulimin n\u00eb hap\u00ebsir\u00ebn e p\u00ebrdoruesit.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Burimi: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52023\">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 4.2. \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 \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-53931","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 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