{"id":104428,"date":"2022-06-16T09:36:49","date_gmt":"2022-06-16T07:36:50","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/avtor-obolochki-sway-i-yazyka-hare-razvivaet-novoe-mikroyadro-helios-i-oc-ares"},"modified":"2022-06-16T09:36:49","modified_gmt":"2022-06-16T07:36:50","slug":"avtor-obolochki-sway-i-yazyka-hare-razvivaet-novoe-mikroyadro-helios-i-oc-ares","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/avtor-obolochki-sway-i-yazyka-hare-razvivaet-novoe-mikroyadro-helios-i-oc-ares","title":{"rendered":"L'autore della shell Sway e del linguaggio Hare sviluppa un nuovo microkernel Helios e l'OC Ares","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Drew DeVault ha presentato il suo nuovo progetto \u2014 il microkernel Helios. Attualmente, il progetto \u00e8 nelle fasi iniziali di sviluppo e supporta solo il boot dimostrativo su sistemi con architettura x86_64. In futuro, \u00e8 prevista l'aggiunta del supporto per le architetture riservate iscv64 e aarch64. Il codice del progetto \u00e8 scritto in un linguaggio di programmazione sistemico simile al C, chiamato Hare, con inserti in assembler e viene distribuito sotto licenza GPLv3. Per familiarizzare con lo stato del progetto, \u00e8 stato preparato un'immagine iso di test (1 MB). <\/p>\n

L'architettura Helios \u00e8 progettata tenendo conto dei concetti del microkernel seL4, in cui i componenti per la gestione delle risorse del kernel sono esternalizzati nello spazio utente e per essi vengono applicati gli stessi meccanismi di controllo degli accessi utilizzati per le risorse utente. Il microkernel fornisce meccanismi minimi per la gestione dell'accesso allo spazio degli indirizzi fisici, alle interruzioni e alle risorse della CPU, mentre le astrazioni di alto livello dei driver per l'interazione con l'hardware vengono implementate separatamente sopra il microkernel sotto forma di task eseguiti a livello utente. <\/p>\n

In Helios, an access control model based on 'capability' is used. The kernel provides primitives for allocating memory pages, mapping physical memory into the address space, managing tasks, and handling calls to hardware device ports. In addition to kernel services like virtual memory management, the project has also prepared drivers for console operation via serial port and BIOS VGA API. In the next phase of kernel development, preemptive multitasking, IPC, PCI, exception handling, ACPI table parsing, and interrupt handlers operating in user space will be implemented. In the longer term, support for SMP, IOMMU, and VT-x is planned. <\/p>\n

Per quanto riguarda lo spazio utente, i piani prevedono lo sviluppo di servizi a basso livello e del gestore di sistema Mercury, uno strato di compatibilit\u00e0 con POSIX (Luna), una raccolta di driver Venus, un ambiente per sviluppatori Gaia e un framework per il testing del kernel Vulcan. Lo sviluppo \u00e8 in corso considerando l'uso su hardware reale: nelle fasi iniziali \u00e8 prevista la creazione di driver per ThinkPad, inclusi i driver per GPU Intel HD, HD Audio e Intel Gigabit Ethernet. In seguito, si prevede l'arrivo di driver per GPU AMD e schede Raspberry Pi. <\/p>\n

L'obiettivo finale del progetto \u00e8 la creazione di un sistema operativo completo chiamato Ares, dotato di un gestore di pacchetti e di un'interfaccia grafica. Come motivazione per la creazione del progetto viene menzionato il desiderio di sperimentare e il lavoro come svago (principio 'just for fun'). Drew DeVault ama porsi obiettivi ambiziosi e, nonostante il generale scetticismo, li realizza. \u00c8 stato cos\u00ec per l'ambiente desktop Sway, il client di posta Aerc, la piattaforma di sviluppo collaborativo SourceHut e il linguaggio di programmazione Hare. Anche se il nuovo progetto non avr\u00e0 la diffusione desiderata, servir\u00e0 da punto di partenza per lo sviluppo di nuovi sistemi utili. Ad esempio, il debugger sviluppato per Helios \u00e8 in programma di essere portato sulla piattaforma Linux, e le librerie per la costruzione dell'interfaccia grafica non saranno legate a una specifica piattaforma.

\"L'autore<\/center>
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0414\u0440\u044e \u0414\u0435\u0412\u043e\u043b\u0442 (Drew DeVault) \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u0441\u0432\u043e\u0439 \u043d\u043e\u0432\u044b\u0439 \u043f\u0440\u043e\u0435\u043a\u0442 — \u043c\u0438\u043a\u0440\u043e\u044f\u0434\u0440\u043e Helios. \u0412 \u0442\u0435\u043a\u0443\u0449\u0435\u043c \u0432\u0438\u0434\u0435 \u043f\u0440\u043e\u0435\u043a\u0442 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430 \u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0442\u0430\u0434\u0438\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0438 \u043f\u043e\u043a\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0443\u044e \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0443 \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0441 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u043e\u0439 x86_64. \u0410 \u0434\u0430\u043b\u044c\u043d\u0435\u0439\u0448\u0435\u043c \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u044e\u0442 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440 iscv64 \u0438 aarch64. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u0431\u043b\u0438\u0437\u043a\u043e\u043c \u043a \u0421\u0438 \u044f\u0437\u044b\u043a\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Hare \u0441 \u0430\u0441\u0441\u0435\u043c\u0431\u043b\u0435\u0440\u043d\u044b\u043c\u0438 \u0432\u0441\u0442\u0430\u0432\u043a\u0430\u043c\u0438 \u0438 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":104429,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-104428","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\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\udd47L'autore del framework Sway e del linguaggio Hare sviluppa un nuovo microkernel Helios e OC Ares | ProHoster","description":"\u0414\u0440\u044e \u0414\u0435\u0412\u043e\u043b\u0442 (Drew DeVault) \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u0441\u0432\u043e\u0439 \u043d\u043e\u0432\u044b\u0439 \u043f\u0440\u043e\u0435\u043a\u0442 - 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