{"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\/it\/blog\/news\/proekt-kerla-razvivaet-linux-sovmestimoe-yadro-na-yazyke-rust","title":{"rendered":"Il progetto Kerla sviluppa un kernel compatibile con Linux in Rust","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nel progetto Kerla si sta sviluppando un nucleo di sistema operativo scritto in Rust. Il nuovo nucleo \u00e8 inizialmente orientato a garantire la compatibilit\u00e0 con il nucleo Linux a livello ABI, il che consentir\u00e0 di eseguire in un ambiente basato su Kerla file eseguibili non modificati compilati per Linux. Il codice \u00e8 distribuito con licenze Apache 2.0 e MIT. Il progetto \u00e8 sviluppato dal programmatore giapponese Seiya Nuta, noto per la creazione del sistema operativo a microkernel Resea, scritto in C.      <\/p>\n<p>Nella fase attuale dello sviluppo, Kerla pu\u00f2 funzionare solo su sistemi con architettura x86_64 e implementa chiamate di sistema di base come write, stat, mmap, pipe e poll, supportando segnali, pipe non nominati e switch di contesto. Per la gestione dei processi sono disponibili chiamate come fork, wait4 ed execve. \u00c8 supportato tty e pseudoterminali (PTY). Attualmente sono supportati i file system initramfs (usato per montare il file system radice), tmpfs e devfs. \u00c8 fornito uno stack di rete con supporto per socket TCP e UDP, implementato sulla base della libreria smoltcp.        <\/p>\n<p>Il programmatore ha preparato un ambiente di avvio, eseguibile in QEMU o in <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/vps\/abuzoustojchivye-vps\/\"   title=\"macchina virtuale\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4316\">macchina virtuale<\/a> Firecracker con il driver virtio-net, a cui \u00e8 gi\u00e0 possibile connettersi tramite SSH. Come libreria di sistema viene utilizzata musl, mentre le utility per l'utente sono BusyBox.     <center><img decoding=\"async\" alt=\"Il progetto Kerla sviluppa un kernel compatibile con Linux in Rust \" src=\"\/wp-content\/uploads\/2021\/10\/e87c8367e185a133178cb4e38b7d96f2.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>\u00c8 stato preparato un sistema di build basato su Docker, consentendo di creare i propri initramfs di avvio con il nucleo Kerla. Separatamente, \u00e8 in sviluppo una shell simile a fish chiamata nsh e un stack GUI Kazari basato sul protocollo Wayland.    <center><img decoding=\"async\" alt=\"Il progetto Kerla sviluppa un kernel compatibile con Linux in Rust \" src=\"\/wp-content\/uploads\/2021\/10\/313a1bfad2de07e0d904597c2aec4bdf.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>L'uso del linguaggio Rust nel progetto permette di ridurre il numero di errori nel codice grazie all'impiego di tecniche di programmazione sicura e al miglioramento dell'efficienza nel rilevamento di problemi legati alla memoria. La gestione sicura della memoria \u00e8 garantita in Rust durante la compilazione attraverso il controllo dei riferimenti, la tracciabilit\u00e0 della propriet\u00e0 degli oggetti e la gestione del tempo di vita degli oggetti (scope), oltre alla valutazione della correttezza dell'accesso alla memoria durante l'esecuzione del codice. Inoltre, Rust fornisce strumenti per proteggere contro overflow interi, richiede l'inizializzazione obbligatoria dei valori delle variabili prima dell'uso, applica il concetto di immutabilit\u00e0 (immutable) per riferimenti e variabili per impostazione predefinita e offre una forte tipizzazione statica per minimizzare gli errori logici, semplificando la gestione dei valori in ingresso grazie agli strumenti di corrispondenza dei modelli.    <\/p>\n<p>Per lo sviluppo di componenti a basso livello, come il kernel del sistema operativo, Rust offre supporto per puntatori raw, impacchettamento di strutture, inline assembly e inclusione di file in assembler. Per lavorare senza vincoli alla libreria standard, ci sono pacchetti crate separati per operazioni su stringhe, vettori e flag bit. Tra i vantaggi si evidenziano anche strumenti integrati per la valutazione della qualit\u00e0 del codice (linter, rust-analyzer) e la creazione di unit test, che possono essere eseguiti non solo sull'hardware reale, ma anche in QEMU.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56043\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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 [&hellip;]<\/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<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" 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