{"id":91381,"date":"2020-08-12T13:41:58","date_gmt":"2020-08-12T11:41:58","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-emulyatora-qemu-5-1"},"modified":"2020-08-12T13:41:58","modified_gmt":"2020-08-12T11:41:58","slug":"vypusk-emulyatora-qemu-5-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-emulyatora-qemu-5-1","title":{"rendered":"A QEMU 5.1 emul\u00e1tor kiad\u00e1sa","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/lists.nongnu.org\/archive\/html\/qemu-devel\/2020-08\/msg02152.html\">Bemutatva<\/a><\/noindex> a projekt kiad\u00e1s\u00e1t <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.qemu.org\/Download\">QEMU 5.1<\/a><\/noindex>. A QEMU emul\u00e1tork\u00e9nt lehet\u0151v\u00e9 teszi, hogy az egy adott hardverplatformra k\u00e9sz\u00fclt programokat teljesen elt\u00e9r\u0151 architekt\u00far\u00e1j\u00fa rendszeren futtassuk, p\u00e9ld\u00e1ul ARM alkalmaz\u00e1sokat x86 kompatibilis PC-n. A QEMU virtualiz\u00e1ci\u00f3s m\u00f3dj\u00e1ban a k\u00f3d v\u00e9grehajt\u00e1s\u00e1nak teljes\u00edtm\u00e9nye az elszigetelt k\u00f6rnyezetben k\u00f6zel \u00e1ll a nat\u00edv rendszerhez, mivel k\u00f6zvetlen\u00fcl a CPU utas\u00edt\u00e1sait hajtja v\u00e9gre, \u00e9s a Xen hypervisort vagy a KVM modult haszn\u00e1lja. <\/p>\n<p>A projektet eredetileg Fabrice Bellard hozta l\u00e9tre azzal a c\u00e9llal, hogy lehet\u0151v\u00e9 tegye az x86 platformra \u00f6sszegy\u0171jt\u00f6tt Linux v\u00e9grehajthat\u00f3 f\u00e1jlok futtat\u00e1s\u00e1t m\u00e1s architekt\u00far\u00e1kon. A fejleszt\u00e9s \u00e9vek alatt a teljes emul\u00e1ci\u00f3 t\u00e1mogat\u00e1sa 14 hardverarchitekt\u00fara sz\u00e1m\u00e1ra \u00e9s t\u00f6bb mint 400 emul\u00e1lt hardvereszk\u00f6z t\u00e1mogat\u00e1sa ker\u00fclt hozz\u00e1ad\u00e1sra. Az 5.1-es verzi\u00f3 el\u0151k\u00e9sz\u00edt\u00e9se sor\u00e1n t\u00f6bb mint 2500 v\u00e1ltoztat\u00e1s t\u00f6rt\u00e9nt 235 fejleszt\u0151t\u0151l. <\/p>\n<p>Kulcsok <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.qemu.org\/ChangeLog\/5.1\">fejleszt\u00e9sek<\/a><\/noindex>, a QEMU 5.1-hez hozz\u00e1adva: <\/p>\n<ul>\n<li class=\"l\"> Hozz\u00e1adva az architekt\u00far\u00e1ra \u00e9p\u00fcl\u0151 CPU emul\u00e1ci\u00f3 t\u00e1mogat\u00e1sa, <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/AVR_microcontrollers\">AVR<\/a><\/noindex>. Implement\u00e1lva lett az Arduino Duemilanove (ATmega168), Arduino Mega 2560 (ATmega2560),<br \/>\n   Arduino Mega (ATmega1280) \u00e9s Arduino UNO (ATmega328P) t\u00e1mogat\u00e1sa.<\/p>\n<li class=\"l\"> Az ARM architekt\u00far\u00e1j\u00fa emul\u00e1torhoz hozz\u00e1adva a mem\u00f3ria forr\u00f3 k\u00fcl\u00f6nv\u00e1laszt\u00e1s\u00e1nak (hot-unplug) lehet\u0151s\u00e9ge, valamint az nvdimm mem\u00f3ria forr\u00f3 csatlakoztat\u00e1sa az ACPI-vel rendelkez\u0151 vend\u00e9g rendszerekhez. T\u00e1mogatva lett az ARMv8.2 <noindex><a rel=\"nofollow\" href=\"https:\/\/patchwork.kernel.org\/patch\/11466337\/\">TTS2UXN<\/a><\/noindex> \u00e9s <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikichip.org\/wiki\/arm\/mte\">ARMv8.5 MemTag<\/a><\/noindex>. T\u00e1mogatva lett a sonorapass-bmc lap.\n<li class=\"l\"> A MIPS architekt\u00far\u00e1j\u00fa emul\u00e1torhoz hozz\u00e1adva a Loongson 3A CPU-k (R1 \u00e9s R4) t\u00e1mogat\u00e1sa. N\u00f6velve lett az FPU \u00e9s MSA utas\u00edt\u00e1sok emul\u00e1ci\u00f3s teljes\u00edtm\u00e9nye.\n<li class=\"l\"> A RISC-V architekt\u00far\u00e1j\u00fa emul\u00e1torhoz hozz\u00e1adva a SiFive E34 \u00e9s Ibex CPU t\u00e1mogat\u00e1sa. T\u00e1mogatva lett a HiFive1 revB \u00e9s OpenTitan lapok t\u00e1mogat\u00e1sa. A Spike g\u00e9pek sz\u00e1m\u00e1ra t\u00e1mogatva lett a t\u00f6bb CPU.\n<li class=\"l\"> A PowerPC architekt\u00far\u00e1j\u00fa emul\u00e1torban megjelent a hibahelyre\u00e1ll\u00edt\u00e1s t\u00e1mogat\u00e1sa vend\u00e9g rendszerekben FWNMI seg\u00edts\u00e9g\u00e9vel.\n<li class=\"l\"> Az s390 architekt\u00far\u00e1hoz hozz\u00e1adva a KVM t\u00e1mogat\u00e1s a v\u00e9dett virtualiz\u00e1ci\u00f3hoz (biztons\u00e1gi v\u00e9grehajt\u00e1si m\u00f3d).\n<li class=\"l\"> A x86 architekt\u00far\u00e1j\u00fa emul\u00e1torban cs\u00f6kkentett\u00e9k a k\u00f6lts\u00e9geket nem adapt\u00e1lt Windows vend\u00e9g rendszerek virtualiz\u00e1l\u00e1s\u00e1hoz az ACPI WAET (Windows ACPI Emulated Device Table) emul\u00e1lt eszk\u00f6z\u00f6k t\u00e1bl\u00e1zat\u00e1nak biztos\u00edt\u00e1s\u00e1val. Fejlesztett\u00e9k a <noindex><a rel=\"nofollow\" href=\"https:\/\/developer.apple.com\/documentation\/hypervisor\">HVF<\/a><\/noindex> gyors\u00edt\u00e1s t\u00e1mogat\u00e1s\u00e1t a macOS-hoz.\n<li class=\"l\"> A blokk eszk\u00f6zmeghajt\u00f3ban hozz\u00e1adva a virtu\u00e1lis t\u00e1rol\u00f3eszk\u00f6z\u00f6k t\u00e1mogat\u00e1sa 2MB m\u00e9ret\u0171 logikai \u00e9s fizikai blokkokkal.\n<li class=\"l\"> Hozz\u00e1adva a lehet\u0151s\u00e9g a jelszavak \u00e9s titkos\u00edt\u00e1si kulcsok \u00e1tvitel\u00e9re a QEMU-ban a Linux kernel keyringj\u00e9n kereszt\u00fcl az \u00faj \"secret-keyring\" t\u00edpus\u00fa objektumok seg\u00edts\u00e9g\u00e9vel.\n<li class=\"l\"> A qcow2 form\u00e1tumhoz hozz\u00e1adva a zstd t\u00f6m\u00f6r\u00edt\u00e9si algoritmus t\u00e1mogat\u00e1sa.\n<li class=\"l\"> A qemu-img seg\u00e9dprogramhoz \u00faj \"bitmap\" parancs ker\u00fclt hozz\u00e1ad\u00e1sra a qcow2 f\u00e1jlokban tal\u00e1lhat\u00f3 \u00e1lland\u00f3 bitk\u00e9pek manipul\u00e1l\u00e1s\u00e1ra. A qemu-img-ben megval\u00f3sult a LUKS kulcsok (keyslot) kezel\u00e9se, \u00e9s tov\u00e1bbi lehet\u0151s\u00e9gek ker\u00fcltek bevezet\u00e9sre a \"map\" parancsban (\u2014start-offset, \u2014max-length) \u00e9s a \"convert\" parancsban (\u2014bitmaps), a \"measure\" parancshoz hozz\u00e1adva pedig a qcow2 f\u00e1jlokban tal\u00e1lhat\u00f3 \u00e1lland\u00f3 bitk\u00e9pek m\u00e9ret\u00e9re vonatkoz\u00f3 inform\u00e1ci\u00f3k megjelen\u00edt\u00e9se.\n<li class=\"l\"> Az NVMe meghajt\u00f3ban megjelent a tart\u00f3s mem\u00f3ria (Persistent Memory Region) t\u00e1mogat\u00e1sa, amely az NVMe 1.4 specifik\u00e1ci\u00f3ban tal\u00e1lhat\u00f3.\n<li class=\"l\"> A virtio a klasszikus k\u00f3dgener\u00e1torral rendelkez\u0151 vend\u00e9grendszerek eset\u00e9n, a TCG (Tiny Code Generator) lehet\u0151s\u00e9get biztos\u00edt a folyamatok haszn\u00e1lat\u00e1ra. <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.qemu.org\/Features\/VirtioVhostUser\">vhost-user<\/a><\/noindex>, bele\u00e9rtve a virtiofsd-t is. A vhost-user-hez hozz\u00e1adt\u00e1k a VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS kiterjeszt\u00e9st, amely lehet\u0151v\u00e9 teszi t\u00f6bb mint 8 mem\u00f3riahely regisztr\u00e1l\u00e1s\u00e1t.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Forr\u00e1s: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53534\">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 5.1. \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 \u043d\u0430\u0442\u0438\u0432\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-91381","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.\" \/>\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\/hu\/blog\/news\/vypusk-emulyatora-qemu-5-1\" \/>\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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