{"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\/hu\/blog\/news\/vypusk-emulyatora-qemu-7-1","title":{"rendered":"Megjelent a QEMU 7.1 emul\u00e1tor","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Megjelent a QEMU 7.1 projekt kiad\u00e1sa. A QEMU emul\u00e1tork\u00e9nt lehet\u0151v\u00e9 teszi egy olyan program futtat\u00e1s\u00e1t, amelyet egy hardverplatformra k\u00e9sz\u00edtettek, egy teljesen m\u00e1s architekt\u00far\u00e1j\u00fa rendszeren, p\u00e9ld\u00e1ul ARM alkalmaz\u00e1st futtathatunk x86-kompatibilis PC-n. A virtualiz\u00e1ci\u00f3s m\u00f3dban a k\u00f3d v\u00e9grehajt\u00e1si teljes\u00edtm\u00e9nye elszigetelt k\u00f6rnyezetben k\u00f6zel \u00e1ll a hardveres rendszerhez, mivel k\u00f6zvetlen\u00fcl v\u00e9grehajtja az utas\u00edt\u00e1sokat a CPU-n \u00e9s haszn\u00e1lja a Xen hipervizort vagy a KVM modult.       <\/p>\n<p>A projektet eredetileg Fabrice Bellard hozta l\u00e9tre azzal a c\u00e9llal, hogy lehet\u0151v\u00e9 tegye x86 platformra k\u00e9sz\u00fclt Linux v\u00e9grehajthat\u00f3 f\u00e1jlok futtat\u00e1s\u00e1t m\u00e1s architekt\u00far\u00e1kon. A fejleszt\u00e9s sor\u00e1n 14 hardverarchitekt\u00fara teljes emul\u00e1ci\u00f3s t\u00e1mogat\u00e1s\u00e1t adt\u00e1k hozz\u00e1, az emul\u00e1lt hardvereszk\u00f6z\u00f6k sz\u00e1ma meghaladta a 400-at. A 7.1-es verzi\u00f3 el\u0151k\u00e9sz\u00edt\u00e9sekor t\u00f6bb mint 2800 v\u00e1ltoz\u00e1st hajtottak v\u00e9gre 238 fejleszt\u0151t\u0151l.     <\/p>\n<p>A QEMU 7.1-be beleker\u00fclt kulcsfontoss\u00e1g\u00fa fejleszt\u00e9sek:   <\/p>\n<ul>\n<li class=\"l\"> A Linux platformon megval\u00f3s\u00edtott\u00e1k a zero-copy-send opci\u00f3t, amely lehet\u0151v\u00e9 teszi a mem\u00f3riaoldalak \u00e1tvitel\u00e9t \u00e9l\u0151 migr\u00e1ci\u00f3 sor\u00e1n k\u00f6ztes pufferez\u00e9s n\u00e9lk\u00fcl.\n<li class=\"l\"> A QMP (QEMU Machine Protocol) lehet\u0151v\u00e9 tette a block-export-add parancs haszn\u00e1lat\u00e1t NBD k\u00e9pek export\u00e1l\u00e1s\u00e1hoz, amely a \"dirty\" \u00e1llapot\u00fa lapokat tartalmazza. \u00daj 'query-stats' \u00e9s 'query-stats-schema' parancsok is hozz\u00e1 lettek adva a QEMU k\u00fcl\u00f6nb\u00f6z\u0151 alrendszereib\u0151l sz\u00e1rmaz\u00f3 statisztik\u00e1k lek\u00e9r\u00e9s\u00e9re.\n<li class=\"l\"> A vend\u00e9grendszerek \u00fcgyn\u00f6k\u00e9ben jav\u00edtott\u00e1k a Solaris platform t\u00e1mogat\u00e1s\u00e1t, \u00e9s \u00faj 'guest-get-diskstats' \u00e9s 'guest-get-cpustats' parancsokat adtak hozz\u00e1 a lemezek \u00e9s a CPU \u00e1llapot\u00e1nak megjelen\u00edt\u00e9s\u00e9re. A 'guest-get-disks' parancs kieg\u00e9sz\u00fclt az NVMe SMART adatok megjelen\u00edt\u00e9s\u00e9vel, m\u00edg a 'guest-get-fsinfo' parancs az NVMe busz t\u00edpus\u00e1r\u00f3l ny\u00fajt inform\u00e1ci\u00f3kat.\n<li class=\"l\"> \u00daj LoongArch emul\u00e1tor ker\u00fclt hozz\u00e1ad\u00e1sra, amely t\u00e1mogatja a LoongArch utas\u00edt\u00e1si k\u00e9szlet 64 bites v\u00e1ltozat\u00e1t (LA64). Az emul\u00e1tor t\u00e1mogatja a Loongson 3 5000 processzorokat \u00e9s a Loongson 7A1000 \u00e9szaki hidakat.\n<li class=\"l\"> Az ARM emul\u00e1tor\u00e1ban \u00faj t\u00edpus\u00fa emul\u00e1lt g\u00e9pek val\u00f3sultak meg: Aspeed AST1030 SoC, Qualcomm, \u00e9s AST2600 \/ AST1030 (fby35). Bevezett\u00e9k a Cortex-A76 \u00e9s Neoverse-N1 CPU emul\u00e1ci\u00f3t, valamint a SME (Sk\u00e1l\u00e1zhat\u00f3 M\u00e1trix Kiterjeszt\u00e9sek), RAS (Megb\u00edzhat\u00f3s\u00e1g, El\u00e9rhet\u0151s\u00e9g, Szervizelhet\u0151s\u00e9g) processzor kiterjeszt\u00e9sek \u00e9s parancsok t\u00e1mogat\u00e1s\u00e1t, amelyek a CPU spekulat\u00edv utas\u00edt\u00e1s-v\u00e9grehajt\u00e1s sor\u00e1n megel\u0151zik a bels\u0151 cache-b\u0151l t\u00f6rt\u00e9n\u0151 sziv\u00e1rg\u00e1sokat. A 'virt' g\u00e9pekhez GICv4 megszak\u00edt\u00f3 vez\u00e9rl\u0151 emul\u00e1ci\u00f3t is bevezettek.\n<li class=\"l\"> Az x86 architekt\u00far\u00e1j\u00fa emul\u00e1torban <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/vps\/abuzoustojchivye-vps\/\"   title=\"KVM\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4410\">KVM<\/a>  Hozz\u00e1adva az LBR (Last Branch Record) nyomk\u00f6vet\u0151 mechanizmus virtualiz\u00e1ci\u00f3j\u00e1nak t\u00e1mogat\u00e1sa.\n<li class=\"l\"> Az HPPA architekt\u00far\u00e1j\u00fa emul\u00e1torban \u00faj firmware \u00e9rhet\u0151 el a SeaBIOS v6 alapj\u00e1n, amely t\u00e1mogatja a PS\/2 billenty\u0171zet haszn\u00e1lat\u00e1t a bet\u00f6lt\u00e9si men\u00fcben. Fejlesztett\u00e9k a soros port emul\u00e1ci\u00f3t. Tov\u00e1bbi STI konzol bet\u0171t\u00edpusok ker\u00fcltek hozz\u00e1ad\u00e1sra.\n<li class=\"l\"> A MIPS architekt\u00far\u00e1j\u00fa emul\u00e1torban Nios2 lapka eset\u00e9n (-machine 10m50-ghrd) megval\u00f3sult a vektoriz\u00e1lt megszak\u00edt\u00f3 vez\u00e9rl\u0151 (Vectored Interrupt Controller) \u00e9s a shadow regiszter k\u00e9szlet emul\u00e1ci\u00f3ja. Fejlesztett\u00e9k a hiba kezel\u00e9s\u00e9t.\n<li class=\"l\"> Az OpenRISC architekt\u00far\u00e1j\u00fa emul\u00e1tor sz\u00e1m\u00e1ra az 'or1k-sim' g\u00e9phez lehet\u0151v\u00e9 tett\u00e9k ak\u00e1r 4 UART 16550A eszk\u00f6z haszn\u00e1lat\u00e1t.\n<li class=\"l\"> A RISC-V architekt\u00far\u00e1j\u00fa emul\u00e1torban t\u00e1mogat\u00e1st nyertek az 1.12.0 specifik\u00e1ci\u00f3ban meghat\u00e1rozott \u00faj utas\u00edt\u00f3-k\u00e9szlet (ISA) kiterjeszt\u00e9sek, valamint a Sdtrig kiterjeszt\u00e9s, \u00e9s jav\u00edtott\u00e1k a vektoralap\u00fa utas\u00edt\u00e1sok t\u00e1mogat\u00e1s\u00e1t. B\u0151v\u00fclt a hibakeres\u00e9si lehet\u0151s\u00e9gek k\u00f6re. A 'virt' emul\u00e1lt g\u00e9phez t\u00e1mogat\u00e1st nyertek a TPM (Trusted Platform Module), m\u00edg az 'OpenTitan' g\u00e9phez \u2014 Ibex SPI t\u00e1mogat\u00e1st.\n<li class=\"l\"> A 390x architekt\u00far\u00e1j\u00fa emul\u00e1torban megval\u00f3sult a VEF 2 (Vector-Enhancements Facility 2) kiterjeszt\u00e9sek t\u00e1mogat\u00e1sa. Az s390-ccw BIOS-ban lehet\u0151s\u00e9g ny\u00edlik olyan lemezekr\u0151l val\u00f3 bet\u00f6lt\u00e9sre, amelyek szektor m\u00e9rete elt\u00e9r a 512 byte-t\u00f3l.\n<li class=\"l\"> Az Xtensa architekt\u00far\u00e1j\u00fa emul\u00e1torban hozz\u00e1adva a lx106 magok t\u00e1mogat\u00e1sa \u00e9s objektumk\u00f3dok a gyors\u00edt\u00f3t\u00e1r tesztel\u00e9s\u00e9hez.  <\/ul>\n<p>Forr\u00e1s: <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 5.0.3 - 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 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\/hu\/blog\/news\/vypusk-emulyatora-qemu-7-1\" \/>\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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