{"id":81466,"date":"2020-05-13T19:42:00","date_gmt":"2020-05-13T17:42:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-coreboot-4-12"},"modified":"2020-05-13T19:42:00","modified_gmt":"2020-05-13T17:42:00","slug":"vypusk-coreboot-4-12","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-coreboot-4-12","title":{"rendered":"Lan\u00e7amento do Coreboot 4.12","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/blogs.coreboot.org\/blog\/2020\/05\/12\/announcing-coreboot-4-12\/\">Publicado<\/a><\/noindex> lan\u00e7amento do projeto <noindex><a rel=\"nofollow\" href=\"http:\/\/www.coreboot.org\">CoreBoot 4.12<\/a><\/noindex>, no qual \u00e9 desenvolvida uma alternativa livre para firmwares e BIOS propriet\u00e1rios. A nova vers\u00e3o contou com a contribui\u00e7\u00e3o de 190 desenvolvedores, que prepararam 2692 altera\u00e7\u00f5es. <\/p>\n<p>Principais <noindex><a rel=\"nofollow\" href=\"https:\/\/coreboot.org\/releases\/coreboot-4.12-relnotes.txt\">novidades<\/a><\/noindex>: <\/p>\n<ul>\n<li class=\"l\"> Foi adicionada a compatibilidade com 49 placas-m\u00e3e, a maioria das quais \u00e9 utilizada em dispositivos com Chrome OS. O suporte a 51 placas-m\u00e3e foi removido. A remo\u00e7\u00e3o diz respeito principalmente \u00e0 descontinua\u00e7\u00e3o do suporte de placas obsoletas e ao trabalho de elimina\u00e7\u00e3o de duplicatas de placas semelhantes. Muitas placas que anteriormente eram apresentadas como modelos distintos foram agrupadas em conjuntos (variant), nos quais um \u00fanico m\u00f3dulo abrange toda a fam\u00edlia de dispositivos. Considerando a limpeza de duplicatas, apesar de o n\u00famero formal de placas removidas exceder o das adicionadas, a lista de hardware suportado aumentou. Esta vers\u00e3o tamb\u00e9m traz in\u00fameras melhorias no suporte a dispositivos que s\u00e3o entregues com firmwares OEM, inclusive baseados em Coreboot.\n<li class=\"l\"> A limpeza da base de c\u00f3digo foi continuada. Notas extensivas sobre licen\u00e7as nos cabe\u00e7alhos dos arquivos foram substitu\u00eddas por identificadores concisos. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52924\">SPDX<\/a><\/noindex>. Nomes de todos os autores que participaram do desenvolvimento foram reunidos no arquivo AUTHORS. Foi feita uma revis\u00e3o dos cabe\u00e7alhos dos arquivos para minimizar o c\u00f3digo coberto durante a constru\u00e7\u00e3o de cada unidade de compila\u00e7\u00e3o.\n<li class=\"l\"> Driver para unidades flash <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/coreboot\/coreboot\/blob\/master\/Documentation\/drivers\/smmstore.md\">SMMSTORE<\/a><\/noindex> \u00e9 considerado pronto para uso em larga escala. O driver utiliza o modo SMM (modo de gerenciamento de sistema) para gravar, ler e limpar \u00e1reas na mem\u00f3ria flash, e pode ser aplicado em sistemas operacionais ou componentes de firmware para organizar o armazenamento permanente de configura\u00e7\u00f5es, sem a necessidade de implementar um driver espec\u00edfico para cada plataforma.\n<li class=\"l\"> Ferramentas de teste unit\u00e1rio foram expandidas, integradas ao novo sistema de constru\u00e7\u00e3o e migradas para utilizar o framework Cmocka. No diret\u00f3rio de c\u00f3digos fonte para testes unit\u00e1rios, foi criado um diret\u00f3rio separado tests\/.\n<li class=\"l\"> Os componentes cujo uso agora \u00e9 obrigat\u00f3rio para sistemas x86 incluem RELOCATABLE_RAMSTAGE, POSTCAR_STAGE e C_ENVIRONMENT_BOOTBLOCK. RELOCATABLE_RAMSTAGE permite mover durante a execu\u00e7\u00e3o. <noindex><a rel=\"nofollow\" href=\"https:\/\/doc.coreboot.org\/getting_started\/architecture.html\">ramstage<\/a><\/noindex> em uma \u00e1rea de mem\u00f3ria que n\u00e3o se sobrep\u00f5e \u00e0 mem\u00f3ria do sistema operacional ou aos manipuladores de payload (a movimenta\u00e7\u00e3o \u00e9 necess\u00e1ria, pois o ramstage \u00e9 armazenado em CBMEM para um carregamento mais r\u00e1pido ao sair do modo de espera). POSTCAR_STAGE \u00e9 utilizado para a transi\u00e7\u00e3o do CAR (Cache-As-Ram) para a execu\u00e7\u00e3o de c\u00f3digo a partir da DRAM. C_ENVIRONMENT_BOOTBLOCK permite usar o bootblock constru\u00eddo com GCC padr\u00e3o, em vez de um compilador especializado romcc.\n<li class=\"l\"> O c\u00f3digo de suporte para as plataformas AMDFAM10, VIA VX900 e FSP1.0 (BROADWELL_DE, FSP_BAYTRAIL, RANGELEY) foi removido da base de c\u00f3digo principal, pois n\u00e3o atende aos novos requisitos. Por exemplo, na FSP1.0, n\u00e3o \u00e9 poss\u00edvel implementar a fase POSTCAR.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52941\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 CoreBoot 4.12, \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. \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 190 \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 2692 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043d\u043e\u0432\u0448\u0435\u0441\u0442\u0432\u0430: \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 49 \u043c\u0430\u0442\u0435\u0440\u0438\u043d\u0441\u043a\u0438\u0445 \u043f\u043b\u0430\u0442, \u0431\u043e\u043b\u044c\u0448\u0430\u044f \u0447\u0430\u0441\u0442\u044c \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043d\u0430 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445 \u0441 Chrome OS. \u0423\u0434\u0430\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 51 \u043c\u0430\u0442\u0435\u0440\u0438\u043d\u0441\u043a\u043e\u0439 \u043f\u043b\u0430\u0442\u044b. \u0423\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u043c \u043a\u0430\u0441\u0430\u0435\u0442\u0441\u044f \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0443\u0441\u0442\u0430\u0440\u0435\u0432\u0448\u0438\u0445 [&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-81466","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 CoreBoot.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-coreboot-4-12\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" 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