{"id":32296,"date":"2019-10-31T21:46:12","date_gmt":"2019-10-31T18:46:12","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-emulyatora-qemu-4-0\/"},"modified":"2019-10-31T21:46:12","modified_gmt":"2019-10-31T18:46:12","slug":"vypusk-emulyatora-qemu-4-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/vypusk-emulyatora-qemu-4-0","title":{"rendered":"QEMU 4.0 emulaatori v\u00e4ljaanne","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"http:\/\/lists.nongnu.org\/archive\/html\/qemu-devel\/2019-04\/msg03851.html\">Kujundatud<\/a><\/noindex>  projekti v\u00e4ljaanne <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.qemu.org\/Download\">QEMU 4.0<\/a><\/noindex>. QEMU emulaatorina v\u00f5imaldab see k\u00e4itada \u00fche riistvara platvormile koostatud programme t\u00e4iesti erineva arhitektuuriga s\u00fcsteemis, n\u00e4iteks k\u00e4itada ARM-i rakendust x86-\u00fchilduval arvutil. Virtuaalreaalsuse re\u017eiimis on QEMU koodide t\u00e4itmise j\u00f5udlus isoleeritud keskkonnas peaaegu v\u00f5rreldav natiivse s\u00fcsteemiga, t\u00e4nu protsessoril instruktsioonide otse t\u00e4itmisele ja h\u00fcperviseeri Xen v\u00f5i KVM mooduli kasutamisele. <\/p>\n<p>Alguses loodi projekt Fabrice Bellardi poolt, et v\u00f5imaldada x86 platvormile compileeritud Linuxi k\u00e4ivitatavate failide k\u00e4ivitamist muudelt arhitektuuridelt. Aastate jooksul on lisandunud t\u00e4ieliku emulatsiooni tugi 14 riistvaraarhitektuurile ning emuleeritud riistvaraseadmete arv \u00fcletab 400. Versiooni 4.0 ettevalmistamisel tehti \u00fcle 3100 muudatuse 220 arendajalt. <\/p>\n<p>Peamised <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.qemu.org\/ChangeLog\/4.0\">parandused<\/a><\/noindex>, mis lisati QEMU 4.0: <\/p>\n<ul>\n<li class=\"l\"> ARM arhitektuuri emulaatorisse on lisatud ARMv8+ k\u00e4su laienduste tugi: SB, PredInv, HPD, LOR, FHM, AA32HPD,<br \/>\n   PAuth, JSConv, CondM, FRINT \u0438 BTI. \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u044d\u043c\u0443\u043b\u044f\u0446\u0438\u0438 \u043f\u043b\u0430\u0442 &#171;Musca&#187; \u0438 &#171;MPS2&#187;. \u0423\u043b\u0443\u0447\u0448\u0435\u043d\u0430 \u044d\u043c\u0443\u043b\u044f\u0446\u0438\u044f ARM PMU (Power Management Unit). \u0412 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0443 <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.qemu.org\/Documentation\/Platforms\/ARM#Generic_ARM_system_emulation_with_the_virt_machine\">virt<\/a><\/noindex> \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0431\u043e\u043b\u0435\u0435 255 \u0413\u0431 \u041e\u0417\u0423 \u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043e\u0431\u0440\u0430\u0437\u043e\u0432 u-boot \u0441 \u0442\u0438\u043f\u043e\u043c &#171;noload&#187;;<\/p>\n<li class=\"l\"> x86 arhitektuuri emulaatoris on virtuaalialumise kiirusel <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/intel\/haxm\">HAX<\/a><\/noindex> (Intel Hardware Accelerated Execution) \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 POSIX-\u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u044b\u0445 \u0445\u043e\u0441\u0442\u043e\u0432, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a Linux \u0438 NetBSD (\u0440\u0430\u043d\u0435\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u043b\u0430\u0441\u044c \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 Darwin). \u0412 \u044d\u043c\u0443\u043b\u044f\u0442\u043e\u0440\u0435 \u0447\u0438\u043f\u0441\u0435\u0442\u0430 Q35 (ICH9) \u0434\u043b\u044f \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0445 \u043f\u043e\u0440\u0442\u043e\u0432 PCIe \u043e\u043f\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e \u0442\u0435\u043f\u0435\u0440\u044c \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0437\u0430\u044f\u0432\u043b\u0435\u043d\u0430 \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c (16GT\/s) \u0438 \u0447\u0438\u0441\u043b\u043e \u043b\u0438\u043d\u0438\u0439 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f (x32), \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u044b\u0445 \u0432 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 PCIe 4.0 (\u0434\u043b\u044f \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0434\u043b\u044f \u0441\u0442\u0430\u0440\u044b\u0445 \u0442\u0438\u043f\u043e\u0432 \u043c\u0430\u0448\u0438\u043d  QEMU \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u0442\u0441\u044f 2.5GT\/s \u0438 x1). \u041e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u043e\u0431\u0440\u0430\u0437\u043e\u0432  Xen PVH \u0441 \u043e\u043f\u0446\u0438\u0435\u0439 &#171;-kernel&#187;;\n<li class=\"l\"> MIPS arhitektuuri simulaatoris on lisatud toimetuse mitme l\u00f5ime simuleerimise tugi, kasutades klassikalist koodi generaatorit TCG (Tiny Code Generator). Samuti on lisatud tugi CPU I7200 (nanoMIPS32 ISA) ja I6500 (MIPS64R6 ISA) simuleerimiseks, CPU-p\u00e4ringute t\u00f6\u00f6tlemise v\u00f5imalus QMP (QEMU Management Protocol) protokolli abil ning on lisatud SAARI ja SAAR konfigureerimise registrite tugi. Fulong 2E t\u00fc\u00fcpi virtuaalmasinate toimivust on parendatud. Interthread Communication Unit'i teostust on uuendatud;\n<li class=\"l\"> PowerPC arhitektuuri emulaatorisse on lisatud XIVE katkestuskontrolleri emuleerimise toetus, laiendatud POWER9 toetust ning P seeria jaoks on lisatud PCI peamiste j\u00e4tkude kuum\u00fchendamise v\u00f5imalus (PHB, PCI host bridge). Vaikimisi on aktiivne kaitse Spectre ja Meltdown r\u00fcnnakute eest;\n<li class=\"l\">  RISC-V arhitektuuri emulaatorisse on lisatud PCI ja USB emuleerimise toetus. Sisseehitatud silumise serveris (gdbserver) on ellu viidud registerloendite m\u00e4\u00e4ramise tugi XML-failides. Lisatud on mstatus-funktsioonide TSR, TW ja TVM tugi;\n<li class=\"l\"> s390 arhitektuuri emulaatorisse on lisatud CPU mudeli z14 GA 2 tugi ning emuleerimise tugi ujuvkomaga arvutuste ja vektorite operatsioonide jaoks. vfio-ap-s on lisatud seadmete kuum\u00fchendamise v\u00f5imalus;\n<li class=\"l\"> Tensilica Xtensa protsessorite emulaatorisse on parandatud SMP toe toetust Linuxile ning lisatud FLIX (Flexible length instructions extension) toe tugi;\n<li class=\"l\"> \u0412 \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043e\u043f\u0446\u0438\u044f &#8216;-display spice-app&#8217; \u0434\u043b\u044f \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0430 \u043a\u043b\u0438\u0435\u043d\u0442\u0430 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0433\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u0430 Spice \u0441 \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u0438\u0435\u043c, \u043f\u043e\u0445\u043e\u0436\u0438\u043c \u043d\u0430 GTK-\u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 QEMU;\n<li class=\"l\"> VNC-serveri teostusse on lisatud ligip\u00e4\u00e4su haldamise toetus tls-authz\/sasl-authz valikute kaudu;\n<li class=\"l\"> QMP-s (QEMU Management Protocol) on lisatud toetused tsentraliseeritud\/v\u00e4line (Out-of-band) k\u00e4skude t\u00e4itmine ja rakendatud t\u00e4iendavad k\u00e4sklused blokeeriseadmetega t\u00f6\u00f6tamiseks;\n<li class=\"l\"> VFIO-s on lisatud EDID interf\u00e4\u00e4ri rakendamine toetatud mdev (Intel vGPU) jaoks, v\u00f5imaldades ekraani eraldusv\u00f5ime muutmist, kasutades valikuid xres ja yres;\n<li class=\"l\"> \u0414\u043b\u044f Xen \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043e \u043d\u043e\u0432\u043e\u0435 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e &#8216;xen-disk&#8217;, \u043a\u043e\u0442\u043e\u0440\u043e\u0435  \u0442 \u0441\u0430\u043c\u043e\u0441\u0442\u043e\u044f\u0442\u0435\u043b\u044c\u043d\u043e \u043c\u043e\u0436\u0435\u0442 \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u0434\u0438\u0441\u043a\u043e\u0432\u044b\u0439 \u0431\u044d\u043a\u0435\u043d\u0434 \u0434\u043b\u044f Xen PV (\u0431\u0435\u0437 \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u043a  xenstore). \u0423\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0434\u0438\u0441\u043a\u043e\u0432\u043e\u0433\u043e \u0431\u044d\u043a\u0435\u043d\u0434\u0430 Xen PV \u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u043c\u0435\u0440\u0430 \u0434\u0438\u0441\u043a\u0430;\n<li class=\"l\"> \u0412  \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u0431\u043b\u043e\u0447\u043d\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u044b \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0434\u0438\u0430\u0433\u043d\u043e\u0441\u0442\u0438\u043a\u0438 \u0438 \u0442\u0440\u0430\u0441\u0441\u0438\u0440\u043e\u0432\u043a\u0438, \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0430 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043b\u0438\u0435\u043d\u0442\u0430 \u0441 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u043d\u044b\u043c\u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f\u043c\u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 NBD. \u0412  qemu-nbd \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u044b \u043e\u043f\u0446\u0438\u0438  &#171;&#8212;bitmap&#187;, &#171;&#8212;list&#187; \u0438 &#171;&#8212;tls-authz&#187;;\n<li class=\"l\"> Emuleeritud IDE\/via seadmesse on lisatud PCI IDE re\u017eiimi tugi;\n<li class=\"l\"> \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u0430 lzfse  \u0434\u043b\u044f \u0441\u0436\u0430\u0442\u0438\u044f \u043e\u0431\u0440\u0430\u0437\u043e\u0432 dmg. \u0414\u043b\u044f \u0444\u043e\u0440\u043c\u0430\u0442\u0430 qcow2 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0432\u043d\u0435\u0448\u043d\u0438\u0445 \u0444\u0430\u0439\u043b\u043e\u0432 \u0441 \u0434\u0430\u043d\u043d\u044b\u043c\u0438. \u041e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0440\u0430\u0441\u043f\u0430\u043a\u043e\u0432\u043a\u0438 qcow2  \u0432\u044b\u043d\u0435\u0441\u0435\u043d\u044b \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0439 \u043f\u043e\u0442\u043e\u043a. \u0412 \u043e\u0431\u0440\u0430\u0437\u0430\u0445 vmdk \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 &#171;blockdev-create&#187;;\n<li class=\"l\"> Virtio-blk seadmestusse on lisatud DISCARD (blokkide vabastamise teavitamine) ja WRITE_ZEROES (loogiliste blokkide vahemiku nullimise) toimingute tugi;\n<li class=\"l\"> PVrdma seadmes on rakendatud RDMA juhtimisdaktiliste teenuste (MAD) tugi;\n<li class=\"l\"> Muudetud <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.qemu.org\/ChangeLog\/4.0#Incompatible_changes\">muudatused<\/a><\/noindex>, \u043d\u0430\u0440\u0443\u0448\u0430\u044e\u0449\u0438\u0435 \u043e\u0431\u0440\u0430\u0442\u043d\u0443\u044e \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0432\u043c\u0435\u0441\u0442\u043e \u043e\u043f\u0446\u0438\u0438 &#171;handle&#187; \u0432 &#171;-fsdev&#187; \u0438 &#171;-virtfs&#187; \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043e\u043f\u0446\u0438\u0438 local&#187; \u0438\u043b\u0438 &#171;proxy&#187;. \u0423\u0434\u0430\u043b\u0435\u043d\u044b \u043e\u043f\u0446\u0438\u0438 &#171;-virtioconsole&#187; (\u0437\u0430\u043c\u0435\u043d\u0435\u043d\u0430 \u043d\u0430 &#171;-device virtconsole&#187;), &#171;-no-frame&#187;,  &#171;-clock&#187;, &#171;-enable-hax&#187; (\u0437\u0430\u043c\u0435\u043d\u0435\u043d\u0430 \u043d\u0430 &#171;-accel hax&#187;). \u0423\u0434\u0430\u043b\u0435\u043d\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e &#171;ivshmem&#187; (\u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c &#171;ivshmem-doorbell&#187; \u0438\u043e\u0438 &#171;ivshmem-plain&#187;). \u041f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0441\u0431\u043e\u0440\u043a\u0438 \u0441 SDL1.2 (\u043d\u0443\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c SDL2).\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Allikas: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50567\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 QEMU 4.0. \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 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