{"id":107985,"date":"2023-04-20T12:48:23","date_gmt":"2023-04-20T10:48:23","guid":{"rendered":"https:\/\/prohoster.info\/?p=107985"},"modified":"2023-04-20T12:58:44","modified_gmt":"2023-04-20T10:58:44","slug":"vypusk-emulyatora-qemu-8-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-emulyatora-qemu-8-0","title":{"rendered":"Megjelent a QEMU 8.0 emulator","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A QEMU 8.0 projekt bejelent\u00e9se megt\u00f6rt\u00e9nt. A QEMU emul\u00e1tor seg\u00edts\u00e9g\u00e9vel lehet\u0151s\u00e9g ny\u00edlik programok futtat\u00e1s\u00e1ra, amelyek egy adott hardverplatformra k\u00e9sz\u00fcltek egy teljesen elt\u00e9r\u0151 architekt\u00far\u00e1j\u00fa rendszeren, p\u00e9ld\u00e1ul ARM alkalmaz\u00e1s futtat\u00e1s\u00e1ra x86 kompatibilis PC-n. A virtualiz\u00e1ci\u00f3s m\u00f3dban a QEMU teljes\u00edtm\u00e9nye egy izol\u00e1lt k\u00f6rnyezetben k\u00f6zel \u00e1ll a hardveres rendszerekhez, mivel k\u00f6zvetlen\u00fcl a CPU-n hajtja v\u00e9gre az utas\u00edt\u00e1sokat, \u00e9s ig\u00e9nybe veszi a Xen hipervizort vagy a KVM modult.       <\/p>\n<p>A projektet eredetileg Fabrice Bellard alap\u00edtotta azzal a c\u00e9llal, hogy lehet\u0151v\u00e9 tegye x86-os platformra k\u00e9sz\u00fclt Linux v\u00e9grehajthat\u00f3 f\u00e1jlok futtat\u00e1s\u00e1t m\u00e1s architekt\u00far\u00e1kon. A fejleszt\u00e9s sor\u00e1n 14 hardver architekt\u00fara teljes emul\u00e1ci\u00f3s t\u00e1mogat\u00e1sa ker\u00fclt be\u00e9p\u00edt\u00e9sre, \u00e9s az emul\u00e1lt hardvereszk\u00f6z\u00f6k sz\u00e1ma meghaladta a 400-at. A 8.0-\u00e1s verzi\u00f3 el\u0151k\u00e9sz\u00edt\u00e9se sor\u00e1n t\u00f6bb mint 2800 v\u00e1ltoztat\u00e1st hajtottak v\u00e9gre 238 fejleszt\u0151 \u00e1ltal.     <\/p>\n<p>A QEMU 8.0-hoz hozz\u00e1adott kulcsfontoss\u00e1g\u00fa fejleszt\u00e9sek:   <\/p>\n<ul>\n<li class=\"l\"> A rendszeremul\u00e1ci\u00f3s t\u00e1mogat\u00e1s (az oper\u00e1ci\u00f3s rendszer teljes futtat\u00e1sa, bele\u00e9rtve a hipervizorok ig\u00e9nybev\u00e9tel\u00e9t is) 32 bites x86 architekt\u00far\u00e1j\u00fa hostokon hamarosan elavultnak min\u0151s\u00fcl, \u00e9s megsz\u0171nik. A 32 bites x86 hostokon a felhaszn\u00e1l\u00f3i m\u00f3d\u00fa emul\u00e1ci\u00f3 (m\u00e1s CPU-ra k\u00e9sz\u00fclt egyes folyamatok futtat\u00e1sa) t\u00e1mogat\u00e1sa folytat\u00f3dik. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/vps\/abuzoustojchivye-vps\/\"   title=\"KVM\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4421\">KVM<\/a> Az x86 architekt\u00far\u00e1j\u00fa emul\u00e1torban t\u00e1mogat\u00e1st nyert a Xen vend\u00e9g rendszerek futtat\u00e1sa a KVM hipervizorral \u00e9s a Linux 5.12+ kernellel alapul\u00f3 k\u00f6rnyezetben.\n<li class=\"l\"> Az x86 architekt\u00far\u00e1j\u00fa klasszikus TCG k\u00f3dgener\u00e1torba be\u00e9p\u00edt\u00e9sre ker\u00fclt a CPUID FSRM, FZRM, FSRS \u00e9s FSRC z\u00e1szl\u00f3k t\u00e1mogat\u00e1sa. Tov\u00e1bb\u00e1, a leg\u00fajabb Intel Sapphire Rapids (Intel 7) CPU modell t\u00e1mogat\u00e1sa is megval\u00f3sult.\n<li class=\"l\"> Az ARM emul\u00e1torban a Cortex-A55 \u00e9s Cortex-R52 CPU-k t\u00e1mogat\u00e1sa lett megval\u00f3s\u00edtva, \u00faj Olimex STM32 H405 emul\u00e1lt g\u00e9pt\u00edpus ker\u00fclt bevezet\u00e9sre, valamint a FEAT_EVT (Enhanced Virtualization Traps), FEAT_FGT (Fine-Grained Traps) \u00e9s AArch32 ARMv8-R processzor kiterjeszt\u00e9sek t\u00e1mogat\u00e1sa is.\n<li class=\"l\"> A gdbstubban a M-profil architekt\u00fara rendszeregys\u00e9geinek t\u00e1mogat\u00e1sa ker\u00fclt hozz\u00e1ad\u00e1sra.\n<li class=\"l\"> A RISC-V architekt\u00far\u00e1j\u00fa emul\u00e1torban friss\u00edt\u00e9sre ker\u00fclt az OpenTitan, PolarFire \u00e9s OpenSBI emul\u00e1lt g\u00e9pek megval\u00f3s\u00edt\u00e1sa. Tov\u00e1bbi CPU utas\u00edt\u00e1sk\u00e9szletek (ISA) \u00e9s kiterjeszt\u00e9sek t\u00e1mogat\u00e1sa ker\u00fclt bevezet\u00e9sre: Smstateen, icount debugger sz\u00e1ml\u00e1l\u00f3k cache esem\u00e9nyekkel kapcsolatos PMU virtu\u00e1lis m\u00f3dra, ACPI, Zawrs, Svadu, T-Head \u00e9s Zicond kiterjeszt\u00e9sek.\n<li class=\"l\"> A HPPA architekt\u00far\u00e1j\u00fa emul\u00e1torban a fid (Floating-Point Identify) utas\u00edt\u00e1s t\u00e1mogat\u00e1sa ker\u00fclt hozz\u00e1ad\u00e1sra, \u00e9s a 32 bites m\u00f3dbeli emul\u00e1ci\u00f3 is jav\u00edt\u00e1sra ker\u00fclt.\n<li class=\"l\"> A 390x architekt\u00fara emul\u00e1tor\u00e1ban t\u00e1mogatott az aszinkron mem\u00f3rialev\u00e1laszt\u00e1s a v\u00e9dett KVM vend\u00e9grendszerek \u00fajraind\u00edt\u00e1sa sor\u00e1n. Jav\u00edtott\u00e1k a zPCI eszk\u00f6z\u00f6k tov\u00e1bb\u00edt\u00e1s\u00e1nak kezel\u00e9s\u00e9t.\n<li class=\"l\"> A virtio-mem mechanizmus, amely lehet\u0151v\u00e9 teszi a mem\u00f3ria forr\u00f3 csatlakoztat\u00e1s\u00e1t \u00e9s lev\u00e1laszt\u00e1s\u00e1t virtu\u00e1lis g\u00e9pekn\u00e9l, el\u0151re allok\u00e1lt er\u0151forr\u00e1sokat (preallocation) vezetett be az \u00e9l\u0151 migr\u00e1ci\u00f3 sor\u00e1n.\n<li class=\"l\"> A VFIO (Virtual Function I\/O) keret\u00e9ben friss\u00fclt a migr\u00e1ci\u00f3s k\u00eds\u00e9rleti t\u00e1mogat\u00e1s (a migr\u00e1ci\u00f3s protokoll m\u00e1sodik kiad\u00e1s\u00e1t alkalmazva).\n<li class=\"l\"> A qemu-nbd blokkeszk\u00f6zben javult a TCP helyzetkezel\u00e9s hat\u00e9konys\u00e1ga TLS haszn\u00e1lata mellett.\n<li class=\"l\"> A vend\u00e9grendszerekhez k\u00e9sz\u00fclt \u00fcgyn\u00f6k kezd\u0151 t\u00e1mogat\u00e1st kapott az OpenBSD \u00e9s NetBSD sz\u00e1m\u00e1ra.             <\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59002\">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 8.0. \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 \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-107985","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 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