{"id":119708,"date":"2024-09-05T15:43:01","date_gmt":"2024-09-05T13:43:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-emulyator-qemu-9-1-0"},"modified":"2024-09-05T15:43:01","modified_gmt":"2024-09-05T13:43:01","slug":"dostupen-emulyator-qemu-9-1-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/dostupen-emulyator-qemu-9-1-0","title":{"rendered":"Dost\u0119pny emulator QEMU 9.1.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Wydano wydanie projektu QEMU 9.1. 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 zgodnym z x86. W trybie wirtualizacji w QEMU wydajno\u015b\u0107 wykonywania kodu w izolowanym \u015brodowisku jest bliska systemowi sprz\u0119towemu dzi\u0119ki bezpo\u015bredniemu wykonaniu instrukcji na CPU oraz zaanga\u017cowaniu hipernadzorcy Xen lub modu\u0142u KVM w systemie Linux, lub modu\u0142u NVMM w NetBSD.    <\/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 dla 14 architektur sprz\u0119towych, a liczba emulowanych urz\u0105dze\u0144 przekroczy\u0142a 400. Przy przygotowywaniu wersji 9.1 wprowadzono ponad 2800 zmian od 263 programist\u00f3w.             <\/p>\n<p>Kluczowe ulepszenia wprowadzone w QEMU 9.1:   <\/p>\n<ul>\n<li class=\"l\"> W narz\u0119dziach do migracji system\u00f3w go\u015bcinnych wprowadzono wsparcie dla przyspieszenia operacji kompresji danych, korzystaj\u0105c z technologii IAA (Intel In-Memory Analytics Accelerator) lub UADK (User Space Accelerator Development Kit). Ulepszono wsparcie dla przywracania po awariach migracji w trybie postcopy.\n<li class=\"l\"> W mechanizmie virtio, u\u017cywanym do organizacji interakcji mi\u0119dzy systemami go\u015bcinymi a systemem hosta, dodano wsparcie dla funkcji VIRTIO_F_NOTIFICATION_DATA, umo\u017cliwiaj\u0105cej sterownikom po stronie system\u00f3w go\u015bcinnych przesy\u0142anie dodatkowych danych razem z wysy\u0142anymi powiadomieniami. Funkcj\u0119 t\u0119 mo\u017cna wykorzysta\u0107 na przyk\u0142ad do wysy\u0142ania danych debuguj\u0105cych lub optymalizacji wydajno\u015bci.\n<li class=\"l\"> W systemach Linux w guest-agent dodano polecenie guest-network-get-route, a w systemach Windows dodano polecenia guest-ssh-*. Interfejs wiersza polece\u0144 zyska\u0142 rozszerzone mo\u017cliwo\u015bci konfiguracji polece\u0144 \u201eallowed\u201d i \u201eblocked\u201d.\n<li class=\"l\"> W emulatorze architektury ARM dodano wsparcie dla rozszerze\u0144 procesora EAT_NMI, FEAT_CSV2_3, FEAT_ETS2, FEAT_Spec_FPACC, FEAT_WFxT, FEAT_Debugv8p8. Przy emulacji bloku kontroluj\u0105cego pami\u0119\u0107 SMMUv3 (System Memory Management Unit) zrealizowano wsparcie dla zagnie\u017cd\u017conych i dwupoziomowych stron pami\u0119ci. Dla p\u0142yt Xilinx Zynq dodano wsparcie dla emulacji konfiguracji wieloprocesorowych, kontrolera wy\u015bwietlacza DM163 oraz kontrolera pami\u0119ci podr\u0119cznej.\n<li class=\"l\"> Emulator architektury LoongArch umo\u017cliwia bezpo\u015brednie \u0142adowanie obraz\u00f3w j\u0105dra w formacie ELF oraz dodano wsparcie dla uruchamiania do 256 CPU, korzystaj\u0105c z rozszerzenia extioi. Udoskonalone mo\u017cliwo\u015bci debugowania.\n<li class=\"l\"> W emulatorze architektury RISC-V dodano wsparcie dla rozszerze\u0144 procesora Zve32x, Zve64x, Zimop, Zcmop, Zama16b, Zabha, Zawrs i Smcntrpmf, a tak\u017ce wersji 1.13 specyfikacji architektury zestawu instrukcji uprzywilejowanych. Udoskonalone mo\u017cliwo\u015bci debugowania.\n<li class=\"l\"> W emulatorze architektury SPARC dodano wsparcie dla rozszerze\u0144 procesora FMAF, IMA, VIS3 i VIS4.\n<li class=\"l\"> W emulatorze architektury x86 dla hipernadzorcy <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pl\/vps\/abuzoustojchivye-vps\/\"   title=\"KVM\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4427\">KVM<\/a> zrealizowano mo\u017cliwo\u015b\u0107 uruchamiania system\u00f3w go\u015bcinnych z wykorzystaniem rozszerzenia procesora AMD SEV-SNP (Secure Nested Paging), zapewniaj\u0105cego bezpieczn\u0105 prac\u0119 z zagnie\u017cd\u017conymi tabelami stron pami\u0119ci. Wprowadzono wsparcie dla emulacji CPU bazuj\u0105cego na mikroarchitekturach Icelake-Server-v7, SapphireRapids-v3 i SierraForest.\n<li class=\"l\"> Usuni\u0119to luk\u0119 (CVE-2024-7409) w <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pl\/server\/dts-newyork\/\"   title=\"serwerze\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2783\">serwerze<\/a> urz\u0105dzeniach blokowych NBD (Network Block Device), umo\u017cliwiaj\u0105c\u0105 przez manipulacje w systemie go\u015bcinnym doprowadzi\u0107 do awaryjnego zako\u0144czenia QEMU podczas wykonywania operacji nbd-server-stop, nawet je\u015bli klient nie ma kluczy TLS do po\u0142\u0105czenia z serwerem NBD.        <\/ul>\n<p>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61813\">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 9.1. \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-119708","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 9.1.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri 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