A 'yan kwanakin da suka gabata mun sanar a nan a kan yanar gizo labarin fitowar sabon salo na 6.1 na VirtualBox, wanda ya zo da labarai daban-daban kuma musamman tallafi ga Linux 5.4. Yanzu Lokaci yayi da za'a sanar da fara sabon tsarin QEMU 4.2, wanda shine kyakkyawan madadin VirtualBox da VMware.
Ga wadanda basu san QEMU ba, ya kamata ku sani cewa wannan software ce ta kayan kwalliya ta kyauta, wanda zai iya yin koyi da mai sarrafawa da gabaɗaya tsarin gine-gine idan ya cancanta. Kai yana ba da damar gudanar da tsarin aiki ɗaya ko fiye (da aikace-aikacensa) a keɓe ta hanyar masu kulawa kamar KVM da Xen, ko kawai binaries, a cikin yanayin tsarin aikin da aka riga aka sanya akan inji.
QEMU yana ba da damar kirkirar kirkira ba tare da kwaikwayo ba, idan tsarin baƙi yayi amfani da mai sarrafawa ɗaya kamar tsarin mai karɓar, ko yin koyi da gine-ginen x86, ARM, PowerPC, Sparc, MIPS1 masu sarrafawa. Yana aiki akan x86, x64, PPC, Sparc, MIPS, dandamali na ARM kuma akan Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, Unix da Windows tsarin aiki.
Menene sabo a QEMU 4.2?
A cikin wannan sabon sigar, Developmentungiyar ci gaban QEMU ta ba da sanarwar manyan canje-canje da yawa, wanda aka ƙaddamar da QEMU 4.2 tare da mutane da yawa Inganta ikon inganta Linux.
Koyaya, wasu na karin bayanai na wannan sabuntawa na fasalulluka don wannan emulator bude tushen hada da sabbin abubuwan sabuntawa don duk nau'ikan CPU yanzu sun sami kariyar Transactional Aiki tare (TSX) ta tsohuwa. Wannan saboda yanayin rauni ne na kwanan nan TSX Async Abort da Zombieload Bambance Na Biyu.
Duk da yake don KVM ya ƙara ikon amfani da CPUs sama da 256 da bayar da tallafi ga umarnin SVD SIMD, da haɓaka aikin kwaikwayi ta amfani da janareta lambar TCG.
Wani ingantaccen aikin QEMU 4.2 shine hadawa tare da dakunan karatu na Gcrypt da Nettle na kwanan nan, inda QEMU yanzu na iya amfani da yanayin ɓoye XTS ɗakin karatu na kansa kuma wannan na iya haifar da babban haɓakawa a cikin aikin ɓoye AES-XTS, musamman idan kayi amfani da LUKS disk encryption lokacin da kake aiki akan QEMU.
para NBD, direban toshiyar yana tallafawa aiki mafi inganci karanta buƙatun kwafi, tare da karɓar haɓaka sabar don karɓar hotunan hotuna marasa ƙaranci da gyare-gyare na gaba ɗaya / haɓakawa ga kwastomomin NBD / tura uwar garken.
Ga PowerPC gine gine Koyi yana da ikon yin koyi umarnin WUTA9 mffsce, mffscrn da mffscrni. Akan injunan kwaikwayo, "powernv" an ƙara Taimako don kayan aikin tsarin Homer da OCC SRAM.
A cikin virio-mmio ya ƙara dacewa mai dacewa misali 2 da takamaiman bayani dalla-dalla virtuio 1,1 Tsarin layi na kamala (nagarta) don musayar bayanai tare da na'urar I / O ta kama-da-wane a yanayin tsari.
Na sauran canje-canjen da suka yi fice na wannan sabon sigar:
- Taimako don haɓaka Intel AVX-512 BFloat16 (BF16).
- Kyakkyawan aikin don inyaramar Code Generator (TCG) kwaikwayon kayan hannu na ARM.
- Direban toshe LUKS yanzu yana tallafawa Falloc da cikakken pre-kasaftawa.
- Tallafin QEMU akan ARM don gudana akan fiye da 256 CPUs.
- Supportara tallafi don samfurin AST2600 ASPEED.
- Don ARM SVE (Scalable Vector Extensions) yanzu ya dace da baƙi KVM akan ARM SoC da goyan baya.
- Apple MacOS Hypervisor Framework (HVF) yanzu ana ɗaukar sahihiya.
- Tallafin KVM don umarnin SIMD SVE akan SVE mai haɗin kayan aiki.
- Tallafin kwaikwayo don mffsce, mffscrn da mffscrni POWER9 umarnin.
- Injin "powernv" yanzu ya dace da tsarin Homer da OCC SRAM.
- A cikin RISC-V mai lalatawa zai iya ganin duk jihohin gine-gine.
Si kuna so ku sani game da shi dalla-dalla na wannan sabuwar fitowar ta QEMU 4.2, zaku iya bincika ta cikin QEMU.org.
A ƙarshe, ga masu sha'awar girka wannan sabon sigar, zasu iya samun sabon sigar a cikin tashoshin hukuma na rarraba Linux, tunda aikin yana da farin jini sosai. Yi amfani kawai da manajan kunshinka don girka daga tashar.