{"id":101790,"date":"2021-10-26T16:22:50","date_gmt":"2021-10-26T14:22:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/proekt-kerla-razvivaet-linux-sovmestimoe-yadro-na-yazyke-rust"},"modified":"2021-10-26T16:22:50","modified_gmt":"2021-10-26T14:22:51","slug":"proekt-kerla-razvivaet-linux-sovmestimoe-yadro-na-yazyke-rust","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/proekt-kerla-razvivaet-linux-sovmestimoe-yadro-na-yazyke-rust","title":{"rendered":"A Kerla projekt Linux-kompatibilis kernelt fejleszt Rust nyelven.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Kerla projekt keretein bel\u00fcl egy Rust nyelven \u00edrt oper\u00e1ci\u00f3s rendszer kernel fejleszt\u00e9se zajlik. Az \u00faj kernel els\u0151dlegesen a Linux kernellel val\u00f3 ABI szint\u0171 kompatibilit\u00e1sra \u00f6sszpontos\u00edt, lehet\u0151v\u00e9 t\u00e9ve \u00edgy a nem m\u00f3dos\u00edtott Linuxra k\u00e9sz\u00fclt v\u00e9grehajthat\u00f3 f\u00e1jlok futtat\u00e1s\u00e1t a Kerla alap\u00fa k\u00f6rnyezetben. A k\u00f3d az Apache 2.0 \u00e9s MIT licenc alatt \u00e9rhet\u0151 el. A projekt fejleszt\u0151je Seiya Nuta, egy jap\u00e1n fejleszt\u0151, aki a C nyelven \u00edrt mikrokernel alap\u00fa oper\u00e1ci\u00f3s rendszer, a Resea l\u00e9trehoz\u00e1s\u00e1r\u00f3l ismert. <\/p>\n

A Kerla jelenlegi fejleszt\u00e9si szakasz\u00e1ban csak x86_64 architekt\u00far\u00e1val rendelkez\u0151 rendszereken m\u0171k\u00f6dik, \u00e9s alapvet\u0151 rendszerh\u00edv\u00e1sokat val\u00f3s\u00edt meg, mint p\u00e9ld\u00e1ul write, stat, mmap, pipe \u00e9s poll. T\u00e1mogatja a jeleket, n\u00e9vtelen csatorn\u00e1kat \u00e9s a kontextusv\u00e1lt\u00e1sokat. A folyamatok kezel\u00e9s\u00e9re a fork, wait4 \u00e9s execve h\u00edv\u00e1sok \u00e1llnak rendelkez\u00e9sre. T\u00e1mogatja a tty-t \u00e9s a pseudoterminalokat (pty). A f\u00e1jlrendszerek k\u00f6z\u00fcl eddig az initramfs (amelyet a gy\u00f6k\u00e9r f\u00e1jlrendszer csatol\u00e1s\u00e1ra haszn\u00e1lnak), a tmpfs \u00e9s a devfs t\u00e1mogatott. H\u00e1lozati verem k\u00edn\u00e1l TCP \u00e9s UDP socketek t\u00e1mogat\u00e1s\u00e1val, amely a smoltcp k\u00f6nyvt\u00e1rra \u00e9p\u00fcl. <\/p>\n

A fejleszt\u0151 k\u00e9sz\u00edtett egy boot k\u00f6rnyezetet, amely QEMU-ban vagy virtu\u00e1lis g\u00e9pben<\/a> Firecracker virtio-net drivert haszn\u00e1l, amelyhez m\u00e1r SSH-n kereszt\u00fcl csatlakozhatsz. A rendszerk\u00f6nyvt\u00e1r musl, m\u00edg a felhaszn\u00e1l\u00f3i seg\u00e9dprogramok a BusyBox.

\"A<\/center> <\/p>\n

Docker alap\u00fa build rendszer k\u00e9sz\u00fclt, amely lehet\u0151v\u00e9 teszi saj\u00e1t boot initramfs-ek l\u00e9trehoz\u00e1s\u00e1t Kerla kernellel. Ezen k\u00edv\u00fcl k\u00fcl\u00f6n fejlesztik a fish-hez hasonl\u00f3 nsh shell-t \u00e9s a Kazari GUI stack-et, amely a Wayland protokollra \u00e9p\u00fcl.

\"A<\/center> <\/p>\n

A Rust nyelv haszn\u00e1lata a projektben cs\u00f6kkenti a k\u00f3dhib\u00e1k sz\u00e1m\u00e1t a biztons\u00e1gos programoz\u00e1si m\u00f3dszerek alkalmaz\u00e1s\u00e1nak \u00e9s a mem\u00f3riakezel\u00e9si probl\u00e9m\u00e1k hat\u00e9konyabb \u00e9szlel\u00e9s\u00e9nek k\u00f6sz\u00f6nhet\u0151en. A Rust biztos\u00edtja a mem\u00f3ria biztons\u00e1gos kezel\u00e9s\u00e9t a ford\u00edt\u00e1s sor\u00e1n a hivatkoz\u00e1sok ellen\u0151rz\u00e9s\u00e9vel, az objektumok tulajdonjog\u00e1nak nyomon k\u00f6vet\u00e9s\u00e9vel \u00e9s az objektumok \u00e9letciklus\u00e1nak (l\u00e1that\u00f3s\u00e1gi ter\u00fclet\u00e9nek) figyelembev\u00e9tel\u00e9vel, valamint a mem\u00f3ria hozz\u00e1f\u00e9r\u00e9s\u00e9nek helyess\u00e9g\u00e9nek \u00e9rt\u00e9kel\u00e9s\u00e9vel a k\u00f3d v\u00e9grehajt\u00e1sa sor\u00e1n. Ezen k\u00edv\u00fcl a Rust eszk\u00f6z\u00f6ket biztos\u00edt a t\u00falcsordul\u00e1sok ellen, megk\u00f6veteli a v\u00e1ltoz\u00f3k k\u00f6telez\u0151 inicializ\u00e1l\u00e1s\u00e1t a haszn\u00e1lat el\u0151tt, alap\u00e9rtelmezetten alkalmazza a v\u00e1ltoz\u00f3k \u00e9s hivatkoz\u00e1sok immutabilit\u00e1s\u00e1nak koncepci\u00f3j\u00e1t, \u00e9s er\u0151s statikus t\u00edpusk\u00e9pz\u00e9st k\u00edn\u00e1l a logikai hib\u00e1k minimaliz\u00e1l\u00e1s\u00e1ra, egyszer\u0171s\u00edti a bemeneti \u00e9rt\u00e9kek kezel\u00e9s\u00e9t a mintailleszt\u00e9si eszk\u00f6z\u00f6k r\u00e9v\u00e9n. <\/p>\n

Alacsony szint\u0171 \u00f6sszetev\u0151k, p\u00e9ld\u00e1ul az oper\u00e1ci\u00f3s rendszer kernelfejleszt\u00e9s\u00e9hez a Rust t\u00e1mogatja a nyers mutat\u00f3kat, a strukt\u00far\u00e1k csomagol\u00e1s\u00e1t, az inline assembler besz\u00far\u00e1sokat \u00e9s az assembler f\u00e1jlok be\u00e1gyaz\u00e1s\u00e1t. A standard k\u00f6nyvt\u00e1rhoz val\u00f3 k\u00f6t\u0151d\u00e9s n\u00e9lk\u00fcli m\u0171k\u00f6d\u00e9shez k\u00fcl\u00f6n crate csomagok \u00e1llnak rendelkez\u00e9sre, amelyek lehet\u0151v\u00e9 teszik a sztringek, vektorok \u00e9s bitflagok kezel\u00e9s\u00e9t. Az el\u0151ny\u00f6k k\u00f6z\u00f6tt eml\u00edthet\u0151k a be\u00e9p\u00edtett eszk\u00f6z\u00f6k a k\u00f3d min\u0151s\u00e9g\u00e9nek \u00e9rt\u00e9kel\u00e9s\u00e9re (lint, rust-analyzer) \u00e9s az unit tesztek k\u00e9sz\u00edt\u00e9s\u00e9re, amelyeket nemcsak val\u00f3s hardveren, hanem a QEMU-ban is v\u00e9grehajthat\u00f3k.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u0440\u0430\u043c\u043a\u0430\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Kerla \u0432\u0435\u0434\u0451\u0442\u0441\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u044f\u0434\u0440\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust. \u041d\u043e\u0432\u043e\u0435 \u044f\u0434\u0440\u043e \u0438\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043e \u043d\u0430 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u0435 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438 \u0441 \u044f\u0434\u0440\u043e\u043c Linux \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 ABI, \u0447\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0442\u044c \u0432 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0438 \u043d\u0430 \u0431\u0430\u0437\u0435 Kerla \u043d\u0435\u043c\u043e\u0434\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0435 \u0444\u0430\u0439\u043b\u044b, \u0441\u043e\u0431\u0440\u0430\u043d\u043d\u044b\u0435 \u0434\u043b\u044f Linux. \u041a\u043e\u0434 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u044f\u043c\u0438 Apache 2.0 \u0438 MIT. \u041f\u0440\u043e\u0435\u043a\u0442 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442 \u044f\u043f\u043e\u043d\u0441\u043a\u0438\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u0421\u0435\u0439\u044f \u041d\u0443\u0442\u0430 (Seiya […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":101791,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-101790","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47A Kerla projekt egy Linux-kompatibilis kernelt fejleszt Rust nyelven | ProHoster","description":"A Kerla projekt keret\u00e9ben egy Rust nyelven \u00edrt oper\u00e1ci\u00f3s rendszer kernel fejleszt\u00e9se 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