{"id":111945,"date":"2023-12-03T15:10:13","date_gmt":"2023-12-03T13:10:13","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-coreboot-4-22"},"modified":"2023-12-03T15:10:13","modified_gmt":"2023-12-03T13:10:13","slug":"vypusk-coreboot-4-22","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/vypusk-coreboot-4-22","title":{"rendered":"Rilascio di Coreboot 4.22","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 disponibile il rilascio del progetto CoreBoot 4.22, nell'ambito del quale viene sviluppata un'alternativa libera ai firmware e BIOS proprietari. Il codice del progetto \u00e8 distribuito con licenza GPLv2. Nella creazione della nuova versione hanno partecipato 135 sviluppatori, che hanno preparato 977 modifiche. Si segnala che a partire dal prossimo rilascio, il progetto passer\u00e0 a un nuovo schema di denominazione delle versioni, che utilizza un legame con la data (anno.mese.aggiornamento); ad esempio, a febbraio 2024, invece della versione 4.23 sar\u00e0 rilasciata la versione 24.02.00.      <\/p>\n<p>Variazioni principali:   <\/p>\n<ul>\n<li class=\"l\"> Aggiunta l'implementazione iniziale della piattaforma AMD openSIL (Open-Source Silicon Initialization Library), che sviluppa componenti per semplificare la creazione di firmware.\n<li class=\"l\"> Aggiunto supporto per 17 schede madri. 11 delle schede aggiunte sono utilizzate su dispositivi con Chrome OS o su <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/dts-gdansk\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4549\">server<\/a> Google. Schede non correlate a Google:\n<ul>\n<li class=\"l\"> AMD Onyx\n<li class=\"l\"> Intel Meteorlake-P RVP\n<li class=\"l\"> Purism Librem 11\n<li class=\"l\"> Purism Librem L1UM v2\n<li class=\"l\"> Siemens FA EHL\n<li class=\"l\"> Supermicro X11SSW-F  <\/ul>\n<li class=\"l\"> Aggiunto supporto per il SoC AMD Genoa.\n<li class=\"l\"> Sull'architettura x86, nelle fasi precedenti all'inizializzazione della memoria, \u00e8 supportata la sezione \u00ab.data\u00bb, che consente di utilizzare le definizioni delle variabili globali nel codice in linguaggio C. Nella fase del blocco di avvio, i dati vengono collegati subito dopo il codice e poi memorizzati nella cache, utilizzando il concetto di Cache-As-RAM (VMA).\n<li class=\"l\"> Per i sistemi x86, nella fase ramstage e nelle fasi precedenti all'inizializzazione della memoria, \u00e8 stata implementata la supporto per la cache del filesystem CBFS, utilizzata per posizionare i componenti di Coreboot su Flash. La cache CBFS consente di estrarre i file CBFS utilizzando la funzione cbfs_map() senza riservare un'area di memoria separata per il file. Per configurare la dimensione della cache, sono stati proposti i parametri PRERAM_CBFS_CACHE_SIZE e RAMSTAGE_CBFS_CACHE_SIZE.\n<li class=\"l\"> Aggiunta la possibilit\u00e0 di incorporare romstage nel blocco di avvio (bootblock). La fornitura di romstage come parte del blocco di avvio consente di ridurre la dimensione del codice di 10-20 mila righe. Tra le situazioni in cui potrebbe essere necessaria una fornitura separata di romstage sono menzionate configurazioni con vboot o modalit\u00e0 di fallback, oltre a dispositivi con dimensioni limitate del blocco di avvio (Intel APL 32K) o supporti di avvio troppo lenti (alcuni SoC ARM).\n<li class=\"l\"> In gfx \u00e8 stato aggiunto un API per determinare la presenza di un display esterno su dispositivi con chip Intel.\n<li class=\"l\"> In pci_rom \u00e8 stata implementata la possibilit\u00e0 di aggiungere un checksum per VBIOS durante la compilazione della tabella VFCT. Un checksum simile \u00e8 controllato da alcuni driver AMD per Windows.\n<li class=\"l\"> Sono state aggiunte modifiche che consentono di avviare Windows su alcuni dispositivi Chromebook con Coreboot.\n<li class=\"l\"> \u00c8 stata implementata la generazione della tabella ACPI per i dispositivi basati sull'architettura ARM64.\n<li class=\"l\"> \u00c8 stata migliorata la compatibilit\u00e0 con le specifiche ACPI.\n<li class=\"l\"> Le impostazioni MRC (Memory Reference Code) per le schede SNB+MRC sono state spostate nella struttura DeviceTree.\n<li class=\"l\"> Aggiornati i componenti payload basati su U-Boot ed edk2.\n<li class=\"l\"> Aggiornati gli strumenti utilizzati: GMP 6.3.0, binutils 2.41 e MPFR 4.2.1.\n<li class=\"l\"> Il ramo principale nel repository Git \u00e8 stato rinominato da \u00abmaster\u00bb a \u00abmain\u00bb.  <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60224\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 CoreBoot 4.22, \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0440\u0430\u0437\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u0430\u044f \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u0430 \u043f\u0440\u043e\u043f\u0440\u0438\u0435\u0442\u0430\u0440\u043d\u044b\u043c \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0430\u043c \u0438 BIOS. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \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\u0435\u0439 GPLv2. \u0412 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0438 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u043f\u0440\u0438\u043d\u044f\u043b\u043e \u0443\u0447\u0430\u0441\u0442\u0438\u0435 135 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u0438\u043b\u0438 977 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439. \u041e\u0442\u043c\u0435\u0447\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441\u043e \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0433\u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0430 \u043f\u0440\u043e\u0435\u043a\u0442 \u043f\u0435\u0440\u0435\u0439\u0434\u0451\u0442 \u043d\u0430 \u043d\u043e\u0432\u0443\u044e \u0441\u0445\u0435\u043c\u0443 \u043d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0435\u0440\u0441\u0438\u0439, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0443\u044e \u043f\u0440\u0438\u0432\u044f\u0437\u043a\u0443 \u043a \u0434\u0430\u0442\u0435 (\u0433\u043e\u0434.\u043c\u0435\u0441\u044f\u0446.\u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435), \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0432 \u0444\u0435\u0432\u0440\u0430\u043b\u0435 2024 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-111945","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - 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