{"id":104976,"date":"2022-08-31T09:36:52","date_gmt":"2022-08-31T07:36:52","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-emulyatora-qemu-7-1"},"modified":"2022-08-31T09:36:52","modified_gmt":"2022-08-31T07:36:52","slug":"vypusk-emulyatora-qemu-7-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/vypusk-emulyatora-qemu-7-1","title":{"rendered":"Izdanje emulatora QEMU 7.1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Predstavljen je izdanak projekta QEMU 7.1. Kao emulator, QEMU omogu\u0107uje pokretanje programa sastavljenih za jednu hardversku platformu na sustavu s potpuno druga\u010dijom arhitekturom, na primjer, izvr\u0161avanje aplikacije za ARM na x86-kompatibilnom PC-u. U na\u010dinu virtualizacije, performanse izvr\u0161avanja koda u izoliranom okru\u017eenju bliske su hardverskom sustavu zahvaljuju\u0107i izravnom izvr\u0161avanju instrukcija na CPU-u i anga\u017eiranju hipervizora Xen ili modula KVM.       <\/p>\n<p>Izvorno je projekt kreiran od strane Fabrice Bellarda s ciljem omogu\u0107avanja pokretanja izvr\u0161nih datoteka Linuxa sastavljenih za x86 platformu na arhitekturama razli\u010ditim od x86. Tijekom godina razvoja podr\u0161ka je pro\u0161irena na punu emulaciju za 14 hardverskih arhitektura, a broj emuliranih hardverskih ure\u0111aja pre\u0161ao je 400. U pripremi verzije 7.1 uneseno je vi\u0161e od 2800 izmjena od 238 programera.     <\/p>\n<p>Klju\u010dna pobolj\u0161anja dodana u QEMU 7.1:   <\/p>\n<ul>\n<li class=\"l\"> Na Linux platformi implementirana je opcija zero-copy-send koja omogu\u0107ava prijenos stranica memorije tijekom live-migracije bez posredni\u010dkog buffera.\n<li class=\"l\"> U QMP (QEMU Machine Protocol) dodana je mogu\u0107nost kori\u0161tenja naredbe block-export-add za izvoz NBD slika s informacijama o stranicama u stanju \u201edirty\u201c. Tako\u0111er su dodane nove naredbe \u2018query-stats\u2019 i \u2018query-stats-schema\u2019 za zahtjev statistike iz raznih QEMU pod sustava.\n<li class=\"l\"> U agentu za gostuju\u0107e sustave pobolj\u0161ana je podr\u0161ka za Solaris platformu i dodane nove naredbe \u2018guest-get-diskstats\u2019 i \u2018guest-get-cpustats\u2019 za prikaz stanja diskova i CPU-a. U naredbu \u2018guest-get-disks\u2019 dodan je izlaz informacija iz NVMe SMART, a u naredbu \u2018guest-get-fsinfo\u2019 dodati su podaci o tipu NVMe sabirnice.\n<li class=\"l\"> Dodana je nova emulacija LoongArch s podr\u0161kom za 64-bitnu verziju arhitekture skupa naredbi LoongArch (LA64). Emulator podr\u017eava procesore Loongson 3 5000 i sjeverne mostove Loongson 7A1000.\n<li class=\"l\"> U ARM emulatoru implementirani su novi tipovi emuliranih ma\u0161ina: Aspeed AST1030 SoC, Qualcomm i AST2600 \/ AST1030 (fby35). Dodana je podr\u0161ka za emulaciju CPU-a Cortex-A76 i Neoverse-N1, kao i pro\u0161irenja procesora SME (Scalable Matrix Extensions), RAS (Reliability, Availability, Serviceability) i komande za blokiranje curenja iz unutarnjih predmemorija tijekom spekulativnog izvo\u0111enja instrukcija na CPU-u. Za ma\u0161ine \u2018virt\u2019 implementirana je emulacija GICv4 kontrolera pretraga.\n<li class=\"l\"> U emulatoru arhitekture x86 za <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hr\/vps\/abuzoustojchivye-vps\/\"   title=\"KVM\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4410\">KVM<\/a>  dodana podr\u0161ka za virtualizaciju mehanizma za pra\u0107enje LBR (Last Branch Record).\n<li class=\"l\"> U emulatoru arhitekture HPPA predstavljeno je novo a\u017euriranje zasnovano na SeaBIOS v6, koje podr\u017eava kori\u0161tenje PS\/2 tipkovnice u izborniku za pokretanje. Pobolj\u0161ana je emulacija serijskog porta. Dodani su dodatni konzolni fontovi STI.\n<li class=\"l\"> U emulatoru arhitekture MIPS za plo\u010de Nios2 (-machine 10m50-ghrd) implementirana je emulacija vektora kontrolera prekida (Vectored Interrupt Controller) i sen\u010dne registracije. Pobolj\u0161ano je upravljanje iznimkama.\n<li class=\"l\"> U emulatoru arhitekture OpenRISC za ma\u0161inu \u2018or1k-sim\u2019 dodana je mogu\u0107nost kori\u0161tenja do 4 UART ure\u0111aja 16550A.\n<li class=\"l\"> U emulatoru arhitekture RISC-V dodana je podr\u0161ka za nova pro\u0161irenja skupa instrukcija (ISA) definirana u specifikaciji 1.12.0, kao i dodana podr\u0161ka za pro\u0161irenje Sdtrig i pobolj\u0161ana podr\u0161ka za vektorske instrukcije. Pro\u0161irene su mogu\u0107nosti za debagiranje. U emuliranu ma\u0161inu \u2018virt\u2019 dodana je podr\u0161ka za TPM (Trusted Platform Module), a u ma\u0161inu \u2018OpenTitan\u2019 \u2013 podr\u0161ka za Ibex SPI.\n<li class=\"l\"> U emulatoru arhitekture 390x osigurana je podr\u0161ka za ekstenzije VEF 2 (Vector-Enhancements Facility 2). U s390-ccw BIOS-u implementirana je mogu\u0107nost pokretanja s diskova koji imaju veli\u010dinu sektora razli\u010ditu od 512 bajtova.\n<li class=\"l\"> U emulatoru arhitekture Xtensa dodana je podr\u0161ka za jezgre lx106 i objektnu kodu za testiranje predmemorije.  <\/ul>\n<p>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57706\">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 7.1. \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-104976","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 7.1.\" \/>\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\/vypusk-emulyatora-qemu-7-1\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" 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