{"id":101087,"date":"2021-08-25T10:22:49","date_gmt":"2021-08-25T08:22:49","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-emulyatora-qemu-6-1"},"modified":"2021-08-25T10:22:49","modified_gmt":"2021-08-25T08:22:49","slug":"vypusk-emulyatora-qemu-6-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/vypusk-emulyatora-qemu-6-1","title":{"rendered":"Vydanie emul\u00e1tora QEMU 6.1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bol sa predstaven\u00fd projekt QEMU 6.1. Ako emul\u00e1tor umo\u017e\u0148uje spusti\u0165 program zostaven\u00fd pre jednu hardv\u00e9rov\u00fa platformu na syst\u00e9me s \u00faplne odli\u0161nou architekt\u00farou, napr\u00edklad spusti\u0165 aplik\u00e1ciu pre ARM na PC kompatibilnom s x86. V re\u017eime virtualiz\u00e1cie je v\u00fdkon vykon\u00e1vania k\u00f3du v izolovanom prostred\u00ed bl\u00edzky hardv\u00e9rovej s\u00fastave v\u010faka priamemu vykon\u00e1vaniu in\u0161trukci\u00ed na CPU a zapojeniu hyperv\u00edzora Xen alebo modulu KVM.       <\/p>\n<p>Projekt p\u00f4vodne vytvoril Fabrice Bellard, aby umo\u017enil sp\u00fa\u0161\u0165anie s\u00faborov Linux skompilovan\u00fdch pre architekt\u00faru x86 na architekt\u00farach odli\u0161n\u00fdch od x86. V priebehu rokov sa pridala podpora plnej emul\u00e1cie pre 14 hardv\u00e9rov\u00fdch architekt\u00far a po\u010det emulovan\u00fdch hardv\u00e9rov\u00fdch zariaden\u00ed presiahol 400. Pri pr\u00edprave verzie 6.1 bolo vykonan\u00fdch viac ako 3000 zmien od 221 v\u00fdvoj\u00e1rov.     <\/p>\n<p>K\u013e\u00fa\u010dov\u00e9 vylep\u0161enia pridan\u00e9 v QEMU 6.1:   <\/p>\n<ul>\n<li class=\"l\"> Do QMP (QEMU Machine Protocol) bola pridan\u00e1 pr\u00edkaz \u201eblockdev-reopen\u201c na zmenu nastaven\u00ed u\u017e vytvoren\u00e9ho blokov\u00e9ho zariadenia.\n<li class=\"l\"> Ako prioritn\u00fd kryptodriver bol pou\u017eit\u00fd gnutls, ktor\u00fd prekon\u00e1va ostatn\u00e9 ovl\u00e1da\u010de z poh\u013eadu v\u00fdkonu. Predt\u00fdm navrhovan\u00fd predvolen\u00fd ovl\u00e1da\u010d zalo\u017een\u00fd na libgcrypt bol presunut\u00fd do sekcie mo\u017enost\u00ed, zatia\u013e \u010do ovl\u00e1da\u010d na b\u00e1ze nettle zostal ako z\u00e1lo\u017en\u00e1 vo\u013eba, pou\u017e\u00edvan\u00e1 v pr\u00edpade, \u017ee GnuTLS a Libgcrypt nie s\u00fa k dispoz\u00edcii.\n<li class=\"l\"> Do I2C emul\u00e1tora bola pridan\u00e1 podpora PMBus a I2C multiplexorov (pca9546, pca9548).\n<li class=\"l\"> Podpora pluginov k klasick\u00e9mu gener\u00e1toru k\u00f3du TCG (Tiny Code Generator) je predvolene zapnut\u00e1. Boli pridan\u00e9 nov\u00e9 pluginy execlog (\u017eurn\u00e1l vykon\u00e1vania) a cache modelling (simul\u00e1cia spr\u00e1vania cache L1 v CPU).\n<li class=\"l\"> Do ARM emul\u00e1tora bola pridan\u00e1 podpora platforiem zalo\u017een\u00fdch na \u010dipoch Aspeed (rainier-bmc, quanta-q7l1), npcm7xx (quanta-gbs-bmc) a Cortex-M3 (stm32vldiscovery). Bola pridan\u00e1 podpora hardv\u00e9rov\u00fdch motorov \u0161ifrovania a hashovania poskytovan\u00fdch v \u010dipoch Aspeed. Bola pridan\u00e1 podpora emul\u00e1cie in\u0161trukci\u00ed SVE2 (vr\u00e1tane bfloat16), oper\u00e1torov na n\u00e1sobenie mat\u00edc a pr\u00edkazov na vypr\u00e1zdnenie vyrovn\u00e1vacej pam\u00e4te asociat\u00edvneho prekladu (TLB).\n<li class=\"l\">  V emul\u00e1tore architekt\u00fary PowerPC pre emulovan\u00e9 stroje \u201epseries\u201c bola pridan\u00e1 podpora detekcie ch\u00fdb pri hor\u00facom pripojen\u00ed zariaden\u00ed v nov\u00fdch hos\u0165uj\u00facich prostrediach, zv\u00fd\u0161il sa limit na po\u010det CPU a bola implementovan\u00e1 emul\u00e1cia niektor\u00fdch in\u0161trukci\u00ed \u0161pecifick\u00fdch pre procesory POWER10. Pridan\u00e1 podpora platforiem zalo\u017een\u00fdch na \u010dipoch Genesi\/bPlan Pegasos II (pegasos2).\n<li class=\"l\"> V emul\u00e1tore RISC-V bola implementovan\u00e1 podpora platformy OpenTitan a virtu\u00e1lneho GPU virtio-vga (na b\u00e1ze virgl).\n<li class=\"l\"> V emul\u00e1tore s390 bola pridan\u00e1 podpora 16. gener\u00e1cie CPU a vektorov\u00fdch roz\u0161\u00edren\u00ed.\n<li class=\"l\"> V emul\u00e1tore x86 bola pridan\u00e1 podpora nov\u00fdch modelov CPU Intel (Skylake-Client-v4, Skylake-Server-v5, Cascadelake-Server-v5, Cooperlake-v2, Icelake-Client-v3, Icelake-Server-v5, Denverton-v3, Snowridge-v3, Dhyana-v2), v ktor\u00fdch bola implementovan\u00e1 in\u0161trukcia XSAVES. V emul\u00e1tore \u010dipsetu Q35 (ICH9) bola implementovan\u00e1 podpora hor\u00faceho pripojenia PCI zariaden\u00ed. Vylep\u0161en\u00e1 emul\u00e1cia roz\u0161\u00edren\u00ed virtualiz\u00e1cie poskytovan\u00fdch v procesoroch AMD. Pridan\u00e1 mo\u017enos\u0165 bus-lock-ratelimit na obmedzenie intenzity zamykania zbernice hos\u0165uj\u00facim syst\u00e9mom.\n<li class=\"l\"> Pridan\u00e1 podpora pre pou\u017eitie ako akceler\u00e1tora pre hyperv\u00edzor NVMM, rozv\u00edjan\u00fd projektom NetBSD.\n<li class=\"l\"> V GUI podpora autentifik\u00e1cie heslom pri pou\u017eit\u00ed protokolu VNC sa teraz zap\u00edna iba pri zostaven\u00ed s extern\u00fdm kryptografick\u00fdm backendom (gnutls, libgcrypt alebo nettle).      <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55679\">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 6.1. \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-101087","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 6.1.\" \/>\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\/sk\/blog\/news\/vypusk-emulyatora-qemu-6-1\" \/>\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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