{"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\/hr\/blog\/news\/dostupen-emulyator-qemu-9-1-0","title":{"rendered":"Dostupan emulatore QEMU 9.1.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Predstavljen je novi izdanja projekta QEMU 9.1. Kao emulator, QEMU omogu\u0107uje pokretanje programa koji su sastavljeni za jednu hardversku platformu na sustavu potpuno druga\u010dije arhitekture, na primjer, izvr\u0161avanje aplikacije za ARM na x86-kompatibilnom PC-u. U na\u010dinu virtualizacije, izvedba koda u izoliranom okru\u017eenju u QEMU bliska je hardverskom sustavu zahvaljuju\u0107i izravnom izvr\u0161avanju instrukcija na procesoru i kori\u0161tenju hipervizora Xen ili KVM modula u Linuxu, ili NVMM modula u NetBSD-u.    <\/p>\n<p>Projekt je prvotno kreiran od strane Fabricea Bellarda s ciljem omogu\u0107avanja pokretanja izvr\u0161nih datoteka Linuxa sastavljenih za x86 platformu na arhitekturama koje se razlikuju od x86. Tijekom godina razvoja dodana je podr\u0161ka za potpunu emulaciju za 14 hardverskih arhitektura, a broj emuliranih hardverskih ure\u0111aja prema\u0161io je 400. Prilikom pripreme verzije 9.1 implementirano je vi\u0161e od 2800 promjena od 263 programera.             <\/p>\n<p>Klju\u010dna pobolj\u0161anja dodana u QEMU 9.1:   <\/p>\n<ul>\n<li class=\"l\"> U alatu za migraciju gostuju\u0107ih sustava implementirana je podr\u0161ka za ubrzanje operacija kompresije podataka, koriste\u0107i tehnologiju IAA (Intel In-Memory Analytics Accelerator) ili UADK (User Space Accelerator Development Kit). Pobolj\u0161ana je podr\u0161ka za oporavak nakon neuspjelih migracija u postcopy na\u010dinu.\n<li class=\"l\"> U mehanizmu virtio, kori\u0161tenom za organiziranje interakcije izme\u0111u gostuju\u0107ih sustava i host sustava, dodana je podr\u0161ka za funkciju VIRTIO_F_NOTIFICATION_DATA koja omogu\u0107uje drajverima na strani gostuju\u0107ih sustava da prenose dodatne podatke zajedno sa poslanim obavijestima. Ova funkcija mo\u017ee se koristiti, na primjer, za slanje podataka za debagiranje ili za optimizaciju performansi.\n<li class=\"l\"> U guest-agentu za Linux sustave dodana je komanda guest-network-get-route, a za Windows sustave dodane su komande guest-ssh-*. U su\u010delju naredbenog retka pro\u0161irene su mogu\u0107nosti konfiguracije rada komandi \u201eallowed\u201c i \u201eblocked\u201c.\n<li class=\"l\"> U emulatoru arhitekture ARM dodana je podr\u0161ka za procesorske pro\u0161irenja EAT_NMI, FEAT_CSV2_3, FEAT_ETS2, FEAT_Spec_FPACC, FEAT_WFxT, FEAT_Debugv8p8. Pri emulaciji bloka za upravljanje memorijom SMMUv3 (System Memory Management Unit) implementirana je podr\u0161ka za ugnije\u017edene i dvostruke razine stranica memorije. Za Xilinx Zynq plo\u010de dodana je podr\u0161ka za emulaciju vi\u0161eprocesorskih konfiguracija, kontrolera za prikaz DM163 i kontrolera predmemorije.\n<li class=\"l\"> Emulator arhitekture LoongArch pru\u017ea mogu\u0107nost izravnog u\u010ditavanja slika jezgre u ELF formatu i dodaje podr\u0161ku za pokretanje do 256 CPU-a, kori\u0161tenjem pro\u0161irenja extioi. Pobolj\u0161ane su mogu\u0107nosti za otklanjanje gre\u0161aka.\n<li class=\"l\"> Emulator arhitekture RISC-V dodaje podr\u0161ku za procesorska pro\u0161irenja Zve32x, Zve64x, Zimop, Zcmop, Zama16b, Zabha, Zawrs i Smcntrpmf, kao i za verziju 1.13 specifikacije arhitekture privilegiranog skupa instrukcija. Pobolj\u0161ane su mogu\u0107nosti za otklanjanje gre\u0161aka.\n<li class=\"l\"> Emulator arhitekture SPARC dodaje podr\u0161ku za procesorska pro\u0161irenja FMAF, IMA, VIS3 i VIS4.\n<li class=\"l\"> U emulatoru arhitekture x86 za hipervizor <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hr\/vps\/abuzoustojchivye-vps\/\"   title=\"KVM\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4427\">KVM<\/a> implementirana je mogu\u0107nost pokretanja gostuju\u0107ih sustava kori\u0161tenjem procesorskog pro\u0161irenja AMD SEV-SNP (Secure Nested Paging), koje osigurava sigurnu obradu s ugnije\u017edenim tablicama stranica memorije. Implementirana je podr\u0161ka za emulaciju CPU-a temeljenog na mikroarhitekturama Icelake-Server-v7, SapphireRapids-v3 i SierraForest.\n<li class=\"l\"> Uklonjena je ranjivost (CVE-2024-7409) u <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hr\/server\/dts-newyork\/\"   title=\"serveru\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2783\">serveru<\/a> blokovnim ure\u0111ajima NBD (Network Block Device), koja omogu\u0107ava manipulacijom u gostuju\u0107em sustavu uzrokovati iznenadni prekid rada QEMU-a tijekom izvo\u0111enja operacije nbd-server-stop, \u010dak i ako klijent nema TLS klju\u010deve za povezivanje s NBD serverom.        <\/ul>\n<p>Izvor: <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 5.0.4 - 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 Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/hr\/blog\/news\/dostupen-emulyator-qemu-9-1-0\" \/>\n\t\t<meta 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