{"id":107985,"date":"2023-04-20T12:48:23","date_gmt":"2023-04-20T10:48:23","guid":{"rendered":"https:\/\/prohoster.info\/?p=107985"},"modified":"2023-04-20T12:58:44","modified_gmt":"2023-04-20T10:58:44","slug":"vypusk-emulyatora-qemu-8-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/vypusk-emulyatora-qemu-8-0","title":{"rendered":"Utgivning av QEMU-emulatorn 8.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>QEMU 8.0 har sl\u00e4ppts. Som en emulator g\u00f6r QEMU det m\u00f6jligt att k\u00f6ra program som har samlats f\u00f6r en h\u00e5rdvaruplattform p\u00e5 ett system med helt annan arkitektur, till exempel att k\u00f6ra en applikation f\u00f6r ARM p\u00e5 en x86-kompatibel PC. I virtualiseringsl\u00e4get \u00e4r prestandan f\u00f6r kodexekvering i en isolerad milj\u00f6 n\u00e4ra en fysisk systemtack vare direkt exekvering av instruktioner p\u00e5 CPU och anv\u00e4ndning av hypervisor Xen eller KVM-modulen.       <\/p>\n<p>Projektet skapades ursprungligen av Fabrice Bellard f\u00f6r att m\u00f6jligg\u00f6ra k\u00f6rning av Linux-exekverbara filer som har samlats f\u00f6r x86-plattformen p\u00e5 arkitekturer som skiljer sig fr\u00e5n x86. Under \u00e5ren har st\u00f6d f\u00f6r fullst\u00e4ndig emulering f\u00f6r 14 h\u00e5rdvaruarkitekturer lagts till, och antalet emulerade h\u00e5rdvaruenheter \u00f6verstiger 400. I f\u00f6rberedelserna f\u00f6r version 8.0 har \u00f6ver 2800 \u00e4ndringar gjorts av 238 utvecklare.     <\/p>\n<p>Nyckelf\u00f6rb\u00e4ttringar som lagts till i QEMU 8.0:   <\/p>\n<ul>\n<li class=\"l\"> St\u00f6det f\u00f6r systememulering (fullst\u00e4ndig k\u00f6rning av OS, inklusive hypervisorer och Xen) p\u00e5 32-bitars x86-v\u00e4rdar har f\u00f6rklarats som f\u00f6r\u00e5ldrat och kommer snart att avbrytas. St\u00f6det f\u00f6r emulering i l\u00e4ge f\u00f6r anv\u00e4ndarprogram (k\u00f6rning av enskilda processer som har samlats f\u00f6r en annan CPU) p\u00e5 32-bitars x86-v\u00e4rdar kommer att forts\u00e4tta. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/vps\/abuzoustojchivye-vps\/\"   title=\"KVM\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4421\">KVM<\/a> I emulatorn f\u00f6r x86-arkitekturen har st\u00f6d f\u00f6r k\u00f6rning av Xen-g\u00e4stsystem i en milj\u00f6 baserad p\u00e5 KVM-hypervisor och Linux-k\u00e4rnor 5.12+ lagts till.\n<li class=\"l\"> I den klassiska TCG-kodgeneratorn f\u00f6r x86-arkitekturen har st\u00f6d f\u00f6r CPUID-flaggor FSRM, FZRM, FSRS och FSRC lagts till. St\u00f6d f\u00f6r den nya CPU-modellen Intel Sapphire Rapids (Intel 7) har implementerats.\n<li class=\"l\"> I ARM-emulatorn har st\u00f6d f\u00f6r CPU Cortex-A55 och Cortex-R52 implementerats, en ny typ av emulerade maskiner, Olimex STM32 H405, har lagts till, och st\u00f6d f\u00f6r processorextensionerna FEAT_EVT (Enhanced Virtualization Traps), FEAT_FGT (Fine-Grained Traps) och AArch32 ARMv8-R har lagts till. Gdbstub har f\u00e5tt st\u00f6d f\u00f6r systemregister f\u00f6r M-profilens arkitektur (mikrokontrollerprofil).\n<li class=\"l\"> I RISC-V-arkitekturens emulator har implementeringen av emulerade maskiner OpenTitan, PolarFire och OpenSBI uppdaterats. St\u00f6d f\u00f6r ytterligare instruktioner (ISA) och utvidgningar har lagts till: Smstateen, debugr\u00e4knare icount som \u00e4r kopplade till PMU-cacheh\u00e4ndelser i virtuell l\u00e4ge, ACPI, Zawrs, Svadu, T-Head och Zicond.\n<li class=\"l\"> I HPPA-arkitekturens emulator har st\u00f6d f\u00f6r instruktionen fid (Floating-Point Identify) lagts till och emuleringen i 32-bitarsl\u00e4ge har f\u00f6rb\u00e4ttrats.\n<li class=\"l\"> I HPPA-emulatorn har st\u00f6d f\u00f6r instruktionen fid (Floating-Point Identify) lagts till, och emuleringen i 32-bitarsl\u00e4ge har f\u00f6rb\u00e4ttrats.\n<li class=\"l\"> I emulatorn f\u00f6r arkitektur 390x har st\u00f6d f\u00f6r asynkront fr\u00e5nkoppling av minne vid omstart av skyddade KVM-g\u00e4stsystem. F\u00f6rb\u00e4ttrad hantering av vidarebefordrade enheter zPCI.\n<li class=\"l\"> I mekanismen virtio-mem, som m\u00f6jligg\u00f6r varm anslutning och fr\u00e5nkoppling av minne till virtuella maskiner, har proaktiv resursallokering (preallocation) implementerats vid live-migrering.\n<li class=\"l\"> I VFIO (Virtual Function I\/O) har den experimentella st\u00f6det f\u00f6r migrering uppdaterats (andra versionen av migreringsprotokollet anv\u00e4nds).\n<li class=\"l\"> I det blockbaserade enheten qemu-nbd har effektiviteten vid arbete \u00f6ver TCP med TLS f\u00f6rb\u00e4ttrats.\n<li class=\"l\"> I agenten f\u00f6r g\u00e4stsystem har grundl\u00e4ggande st\u00f6d f\u00f6r OpenBSD och NetBSD lagts till.             <\/ul>\n<p>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59002\">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 8.0. \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-107985","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 8.0.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri 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