{"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\/hu\/blog\/news\/vypusk-emulyatora-qemu-7-2","title":{"rendered":"Megjelent a QEMU 7.2 emul\u00e1tor.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bemutat\u00e1sra ker\u00fclt a QEMU 7.2 projekt kiad\u00e1sa. A QEMU emul\u00e1tork\u00e9nt lehet\u0151v\u00e9 teszi, hogy egy, egy adott hardverplatformra k\u00e9sz\u00fclt programot egy teljesen m\u00e1s architekt\u00far\u00e1j\u00fa rendszeren futtassanak, p\u00e9ld\u00e1ul ARM alkalmaz\u00e1st futtassanak x86 kompatibilis PC-n. A QEMU virtualiz\u00e1ci\u00f3s \u00fczemm\u00f3dban a k\u00f3d v\u00e9grehajt\u00e1s\u00e1nak teljes\u00edtm\u00e9nye az elszigetelt k\u00f6rnyezetben k\u00f6zel van a hardver rendszer teljes\u00edtm\u00e9ny\u00e9hez, mivel k\u00f6zvetlen\u00fcl hajtja v\u00e9gre az utas\u00edt\u00e1sokat a CPU-n, \u00e9s kihaszn\u00e1lja a Xen hypervisor-t vagy a KVM modult.       <\/p>\n<p>A projektet eredetileg Fabrice Bellard hozta l\u00e9tre azzal a c\u00e9llal, hogy lehet\u0151v\u00e9 tegye x86 platformokra k\u00e9sz\u00fclt Linux futtathat\u00f3 f\u00e1jlok futtat\u00e1s\u00e1t m\u00e1s architekt\u00far\u00e1kon. A fejleszt\u00e9s sor\u00e1n 14 hardverarchitekt\u00fara teljes emul\u00e1ci\u00f3j\u00e1nak t\u00e1mogat\u00e1s\u00e1t adt\u00e1k hozz\u00e1, \u00e9s az emul\u00e1lt hardvereszk\u00f6z\u00f6k sz\u00e1ma meghaladta a 400-at. A 7.2-es verzi\u00f3 el\u0151k\u00e9sz\u00edt\u00e9se sor\u00e1n t\u00f6bb mint 1800 v\u00e1ltoztat\u00e1st v\u00e9geztek el 205 fejleszt\u0151t\u0151l.     <\/p>\n<p>A QEMU 7.2-hez hozz\u00e1adott kulcsfontoss\u00e1g\u00fa fejleszt\u00e9sek:   <\/p>\n<ul>\n<li class=\"l\"> Az x86 architekt\u00far\u00e1j\u00fa emul\u00e1torban a klasszikus TCG k\u00f3dgener\u00e1torhoz hozz\u00e1adta az AVX, AVX2, F16C, FMA3 \u00e9s VAES utas\u00edt\u00e1sok t\u00e1mogat\u00e1s\u00e1t, valamint optimaliz\u00e1lta a teljes\u00edtm\u00e9nyt az SSE utas\u00edt\u00e1sok haszn\u00e1lat\u00e1val. Az <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/vps\/abuzoustojchivye-vps\/\"   title=\"KVM\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4417\">KVM<\/a> Hozz\u00e1adva a virtu\u00e1lis g\u00e9pb\u0151l val\u00f3 kil\u00e9p\u00e9si \u00e9rtes\u00edt\u00e9si mechanizmus (&#171;notify vmexit&#187;) t\u00e1mogat\u00e1sa, amely lehet\u0151v\u00e9 teszi a CPU-ban fell\u00e9p\u0151 hib\u00e1k megker\u00fcl\u00e9s\u00e9t, amelyek fagy\u00e1shoz vezethetnek.\n<li class=\"l\"> Az ARM emul\u00e1torban megval\u00f3sult a Cortex-A35 CPU \u00e9s az ETS (Enhanced Translation Synchronization) processzor b\u0151v\u00edtm\u00e9nyek, a PMUv3p5 (PMU Extensions 3.5), a GTG (Guest Translation Granule 4KB, 16KB, 64KB), a HAFDBS (hardveres hozz\u00e1f\u00e9r\u00e9si \u00e9s &#171;dirty&#187; \u00e1llapotkezel\u00e9s) \u00e9s az E0PD (EL0 hozz\u00e1f\u00e9r\u00e9smegel\u0151z\u00e9s a sz\u00e9tv\u00e1lasztott c\u00edmk\u00e9pekre).\n<li class=\"l\"> A LoongArch emul\u00e1tor\u00e1ban hozz\u00e1adott\u00e1k a fw_cfg DMA, a mem\u00f3ria forr\u00f3 csatlakoztat\u00e1s\u00e1nak t\u00e1mogat\u00e1s\u00e1t \u00e9s a TPM (Trusted Platform Module) eszk\u00f6z\u00f6k emul\u00e1ci\u00f3j\u00e1t.\n<li class=\"l\"> Az OpenRISC architekt\u00fara emul\u00e1tor\u00e1ban megval\u00f3sult a &#8216;virt&#8217; platform az eszk\u00f6ztesztekhez \u00e9s a folyamatos integr\u00e1ci\u00f3s rendszerekhez. T\u00e1mogatott a klasszikus TCG (Tiny Code Generator) k\u00f3dgener\u00e1tor t\u00f6bbsz\u00e1l\u00fa v\u00e9grehajt\u00e1sa.\n<li class=\"l\"> A RISC-V architekt\u00fara emul\u00e1tor\u00e1ban az &#8216;virt&#8217; emul\u00e1lt g\u00e9peken megval\u00f3sult a firmware bet\u00f6lt\u00e9s\u00e9nek lehet\u0151s\u00e9ge pflash-b\u00f3l S-m\u00f3dban (S-mode). Javult az eszk\u00f6zfa kezel\u00e9se.\n<li class=\"l\"> A 390x architekt\u00far\u00e1 emul\u00e1tor\u00e1ban t\u00e1mogatott az MSA5 kiterjeszt\u00e9s (Message-Security-Assist Extension 5 a PRNO utas\u00edt\u00e1ssal az \u00e1l-random sz\u00e1mok gener\u00e1l\u00e1s\u00e1ra), a KIMD\/KLM utas\u00edt\u00e1sok (SHA-512 megval\u00f3s\u00edt\u00e1s) \u00e9s a zPCI kiterjesztett \u00e9rtelmez\u00e9se a KVM hiperv\u00edzorra \u00e9p\u00fcl\u0151 vend\u00e9g rendszerek sz\u00e1m\u00e1ra.\n<li class=\"l\"> A mem\u00f3riakezel\u00e9shez h\u00e1tt\u00e9rfolyamatokban a NUMA architekt\u00far\u00e1ra val\u00f3 tekintettel el\u0151zetes mem\u00f3riafoglal\u00e1s biztos\u00edtott.\n<li class=\"l\"> A LUKS titkos\u00edtott blokkeszk\u00f6z\u00f6k fejl\u00e9c\u00e9nek ellen\u0151rz\u00e9se meger\u0151s\u00edtve, LUKS k\u00e9pek l\u00e9trehoz\u00e1s\u00e1nak lehet\u0151s\u00e9ge macOS rendszeren hozz\u00e1adva.\n<li class=\"l\"> A 9pfs h\u00e1tt\u00e9rfolyamatban, amely lehet\u0151v\u00e9 teszi a Plan 9 h\u00e1l\u00f3zati f\u00e1jlrendszer haszn\u00e1lat\u00e1t az egyik virtu\u00e1lis g\u00e9p m\u00e1sikhoz val\u00f3 hozz\u00e1f\u00e9r\u00e9s\u00e9re, \u00e1tt\u00e9rtek a GHashTable hash haszn\u00e1lat\u00e1ra az azonos\u00edt\u00f3 t\u00e1bl\u00e1ban, ami bizonyos helyzetekben 6-12-szeres teljes\u00edtm\u00e9nyn\u00f6veked\u00e9st eredm\u00e9nyezett.\n<li class=\"l\"> \u00daj netdev h\u00e1tt\u00e9rfolyamatok ker\u00fcltek bevezet\u00e9sre: stream \u00e9s dgram.\n<li class=\"l\"> A vend\u00e9g rendszerek ARM architekt\u00far\u00e1j\u00e1ra vonatkoz\u00f3 \u00fcgyn\u00f6kben hozz\u00e1adva a FreeBSD t\u00e1mogat\u00e1s.\n<li class=\"l\"> A macOS GUI \u00f6ssze\u00e1ll\u00edt\u00e1sokn\u00e1l lehet\u0151s\u00e9g biztos\u00edtott, hogy a Cocoa \u00e9s SDL\/GTK alap\u00fa fel\u00fcletek egyetlen v\u00e9grehajthat\u00f3 f\u00e1jlba ker\u00fcljenek.\n<li class=\"l\"> Elt\u00e1vol\u00edtott\u00e1k a be\u00e9p\u00edtett &#171;slirp&#187; almodult, helyette a rendszerk\u00f6nyvt\u00e1r, a libslirp haszn\u00e1lat\u00e1t aj\u00e1nlj\u00e1k.\n<li class=\"l\"> A 32 bites MIPS processzorokkal rendelkez\u0151 hosztrendszerek t\u00e1mogat\u00e1s\u00e1nak elavultnak nyilv\u00e1n\u00edt\u00e1sa a tesztel\u00e9s hi\u00e1nya miatt, amelyek &#171;Big endian&#187; b\u00e1jrendez\u00e9st haszn\u00e1lnak.    <\/ul>\n<p>Forr\u00e1s: <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 5.0.3 - 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 7.2.\" \/>\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-7-2\" \/>\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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