{"id":112375,"date":"2023-12-21T03:10:15","date_gmt":"2023-12-21T01:10:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-emulyatora-qemu-8-2"},"modified":"2023-12-21T03:10:15","modified_gmt":"2023-12-21T01:10:15","slug":"vypusk-emulyatora-qemu-8-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-emulyatora-qemu-8-2","title":{"rendered":"Byl vyd\u00e1n emul\u00e1tor QEMU 8.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Byl vyd\u00e1n projekt QEMU 8.2. Jako emul\u00e1tor umo\u017e\u0148uje QEMU spustit program sestaven\u00fd pro jednu hardwarovou platformu na syst\u00e9mu s \u00fapln\u011b jinou architekturou, nap\u0159\u00edklad prov\u00e9st aplikaci pro ARM na PC kompatibiln\u00edm s x86. V re\u017eimu virtualizace v QEMU je v\u00fdkon spu\u0161t\u011bn\u00ed k\u00f3du v izolovan\u00e9m prost\u0159ed\u00ed bl\u00edzk\u00fd hardwarov\u00e9mu syst\u00e9mu d\u00edky p\u0159\u00edm\u00e9mu prov\u00e1d\u011bn\u00ed instrukc\u00ed na CPU a vyu\u017eit\u00ed hypervisoru Xen nebo modulu KVM.     <\/p>\n<p>Projekt byl p\u016fvodn\u011b vytvo\u0159en Fabrice Bellard s c\u00edlem poskytnout mo\u017enost spou\u0161t\u011bn\u00ed spustiteln\u00fdch soubor\u016f Linuxu ur\u010den\u00fdch pro platformu x86 na architektur\u00e1ch odli\u0161n\u00fdch od x86. V pr\u016fb\u011bhu let byla p\u0159id\u00e1na podpora pln\u00e9 emulace pro 14 hardwarov\u00fdch architektur, po\u010det emulovan\u00fdch hardwarov\u00fdch za\u0159\u00edzen\u00ed p\u0159ekro\u010dil 400. P\u0159i p\u0159\u00edprav\u011b verze 8.2 bylo provedeno v\u00edce ne\u017e 3200 zm\u011bn od 238 v\u00fdvoj\u00e1\u0159\u016f.     <\/p>\n<p>Kl\u00ed\u010dov\u00e1 vylep\u0161en\u00ed p\u0159idan\u00e1 do QEMU 8.2:   <\/p>\n<ul>\n<li class=\"l\"> P\u0159id\u00e1no za\u0159\u00edzen\u00ed virtio-sound, kter\u00e9 umo\u017e\u0148uje emulovat zvukovou kartu pro z\u00e1znam a p\u0159ehr\u00e1v\u00e1n\u00ed zvuku v hostitelsk\u00e9m syst\u00e9mu pomoc\u00ed zvukov\u00e9ho backendu (pulseaudio, sdl nebo coreaudio) b\u011b\u017e\u00edc\u00edho na stran\u011b hostitelsk\u00e9ho syst\u00e9mu. Pro emulaci zvukov\u00e9ho za\u0159\u00edzen\u00ed v j\u00e1d\u0159e Linuxu mus\u00ed b\u00fdt pro hostitelsk\u00fd syst\u00e9m povolena volba CONFIG_SND_VIRTIO.\n<li class=\"l\"> P\u0159id\u00e1n virtu\u00e1ln\u00ed grafick\u00fd rozhran\u00ed (VGI, Virtual Graphics Interface) rutabaga s implementac\u00ed virtu\u00e1ln\u00edho GPU (virtio-gpu), kter\u00fd p\u0159ipom\u00edn\u00e1 d\u0159\u00edve dostupn\u00fd VirGL a tak\u00e9 umo\u017e\u0148uje pou\u017eit\u00ed virtu\u00e1ln\u00edho GPU pro 3D-renderov\u00e1n\u00ed v hostitelsk\u00e9m syst\u00e9mu bez otev\u0159en\u00ed v\u00fdhradn\u00edho p\u0159\u00edstupu k fyzick\u00e9mu GPU. K\u00f3d rutabaga byl vyvinut v r\u00e1mci projektu Android\/CrosVM a umo\u017e\u0148uje pou\u017e\u00edvat emul\u00e1tor platformy Android s b\u011b\u017en\u00fdm QEMU.\n<li class=\"l\"> P\u0159id\u00e1no za\u0159\u00edzen\u00ed hv-balloon s implementac\u00ed protokolu dynamick\u00e9ho \u0159\u00edzen\u00ed pam\u011bti (Dynamic Memory) pro Hyper-V, kter\u00e9 umo\u017e\u0148uje b\u011bhem provozu vracet nevyu\u017eit\u00e9 str\u00e1nky pam\u011bti hostitelsk\u00e9 syst\u00e9m a \u017e\u00e1dat o dal\u0161\u00ed v p\u0159\u00edpad\u011b nedostatku pam\u011bti. Nov\u00e9 za\u0159\u00edzen\u00ed lze pova\u017eovat za alternativu k virtio-balloon pro hostitelsk\u00e9 syst\u00e9my s Windows, vyu\u017e\u00edvaj\u00edc\u00ed na stran\u011b hostitelsk\u00e9ho syst\u00e9mu backend podporuj\u00edc\u00ed protokol Dynamic Memory.\n<li class=\"l\"> Bylo navr\u017eeno za\u0159\u00edzen\u00ed Universal Flash Storage pro emulaci Flash-\u00falo\u017ei\u0161t\u011b.\n<li class=\"l\"> Do ovlada\u010de blokov\u00fdch za\u0159\u00edzen\u00ed NBD (Network Block Device) byla p\u0159id\u00e1na podpora roz\u0161\u00ed\u0159en\u00ed protokolu, kter\u00e9 vyu\u017e\u00edv\u00e1 64bitov\u00e9 offsety pro zlep\u0161en\u00ed v\u00fdkonu p\u0159i manipulaci s daty velk\u00e9 velikosti.\n<li class=\"l\"> Do p\u0159\u00edkazu dump-guest-memory byla p\u0159id\u00e1na podpora v\u00fdstupu ve standardn\u00edm form\u00e1tu kdump.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora emulace UFS s vyu\u017eit\u00edm nov\u00fdch za\u0159\u00edzen\u00ed ufs a ufs-lu.\n<li class=\"l\"> Do VFIO (Virtual Function I\/O) byla p\u0159id\u00e1na podpora re\u017eimu P2P migrace a implementov\u00e1na mo\u017enost dynamick\u00e9ho p\u0159id\u011blov\u00e1n\u00ed MSI-X. Byla provedena p\u0159\u00edprava na p\u0159echod na nov\u00fd backend IOMMUFD.\n<li class=\"l\"> V za\u0159\u00edzen\u00ed virtio-mem je implementov\u00e1n re\u017eim \u201edynamic-memslots=on\u201c pro dynamick\u00e9 p\u0159i\u0159azen\u00ed n\u011bkolika pam\u011b\u0165ov\u00fdch slot\u016f nam\u00edsto statick\u00e9ho rozd\u011blen\u00ed jednoho velk\u00e9ho slotu. Pou\u017eit\u00ed tohoto re\u017eimu umo\u017e\u0148uje sn\u00ed\u017eit spot\u0159ebu pam\u011bti na velk\u00fdch za\u0159\u00edzen\u00edch virtio-mem, kter\u00e1 p\u0159id\u011bluj\u00ed VM mal\u00fd objem pam\u011bti.\n<li class=\"l\"> V emul\u00e1toru architektury x86 p\u0159i emulaci prost\u0159ed\u00ed hypervisoru Xen na z\u00e1klad\u011b <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/vps\/abuzoustojchivye-vps\/\"   title=\"KVM\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4396\">KVM<\/a> byla zaji\u0161t\u011bna podpora konzole PV a s\u00ed\u0165ov\u00fdch za\u0159\u00edzen\u00ed, a zjednodu\u0161eny p\u0159\u00edkazy pro blokov\u00e1 a s\u00ed\u0165ov\u00e1 za\u0159\u00edzen\u00ed. V klasick\u00e9m gener\u00e1toru k\u00f3du TCG byla p\u0159id\u00e1na podpora instrukc\u00ed SHA.\n<li class=\"l\"> V emul\u00e1toru architektury ARM byla implementov\u00e1na emulace CPU Cortex-A710 a Neoverse-N2. Byla p\u0159id\u00e1na podpora procesorov\u00fdch roz\u0161\u00ed\u0159en\u00ed PACQARMA3, EPAC, Pauth2, FPAC, FPACCOMBINE, TIDCP1, MOPS, HBC a HPMN0. Pro desku Xilinx Versal bylo realizov\u00e1no modelov\u00e1n\u00ed za\u0159\u00edzen\u00ed CFU\/CFI a TRNG.\n<li class=\"l\"> V emul\u00e1toru architektury RISC-V byl implementov\u00e1n soubor vektorov\u00fdch kryptografick\u00fdch instrukc\u00ed. Byla p\u0159id\u00e1na podpora virtu\u00e1ln\u00edch IRQ a filtrov\u00e1n\u00ed IRQ. Stabilizov\u00e1na byla podpora roz\u0161\u00ed\u0159en\u00ed Zicond. Byla p\u0159id\u00e1na podpora roz\u0161\u00ed\u0159en\u00ed pro virtualizaci AIA (Advanced Interrupt Architecture) prost\u0159ednictv\u00edm KVM.\n<li class=\"l\"> V emul\u00e1toru architektury HPPA byla zaji\u0161t\u011bna emulace 64bitov\u00e9ho CPU PA-RISC 2.0 a emulace syst\u00e9mu C3700, v\u010detn\u011b \u0159adi\u010de pam\u011bti Astro a PCI-most\u016f Elroy.\n<li class=\"l\"> V emul\u00e1toru architektury LoongArch byla implementov\u00e1na emulace CPU Loongson LA132. Byla p\u0159id\u00e1na podpora roz\u0161\u00ed\u0159en\u00ed sady instrukc\u00ed LASX a instrukce PRELDX.\n<li class=\"l\"> V emul\u00e1toru architektury s390x byla p\u0159id\u00e1na podpora vfio-ap pro p\u0159ed\u00e1v\u00e1n\u00ed adapt\u00e9r\u016f crypto pro zabezpe\u010den\u00e9 hostitelsk\u00e9 syst\u00e9my.\n<li class=\"l\"> V emul\u00e1toru Tricore byla p\u0159id\u00e1na podpora procesor\u016f TC37x (ISA 1.6.2) a instrukc\u00ed CRCN, FTOU, FTOHP, HPTOF.  <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60322\">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 8.2. \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-112375","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 8.2.\" \/>\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\/cs\/blog\/news\/vypusk-emulyatora-qemu-8-2\" \/>\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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