{"id":100693,"date":"2021-07-06T16:22:39","date_gmt":"2021-07-06T14:22:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/operaczionnaya-sistema-openvms-portirovana-dlya-arhitektury-x86-64"},"modified":"2021-07-06T16:22:39","modified_gmt":"2021-07-06T14:22:39","slug":"operaczionnaya-sistema-openvms-portirovana-dlya-arhitektury-x86-64","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/operaczionnaya-sistema-openvms-portirovana-dlya-arhitektury-x86-64","title":{"rendered":"O sistema operacional OpenVMS foi portado para a arquitetura x86-64.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A VMS Software, que comprou os direitos de continuar o desenvolvimento do sistema operacional OpenVMS (Virtual Memory System) da Hewlett-Packard h\u00e1 cinco anos, publicou a vers\u00e3o OpenVMS 9.1, not\u00e1vel pela implementa\u00e7\u00e3o do suporte \u00e0 arquitetura x86-64. O sistema operacional OpenVMS est\u00e1 em desenvolvimento desde 1977, sendo utilizado em sistemas tolerantes a falhas que exigem alta confiabilidade, e anteriormente estava dispon\u00edvel apenas para as arquiteturas VAX, Alpha e Intel Itanium. Curiosamente, as tentativas de portar o OpenVMS para sistemas x86 no final da d\u00e9cada de 1980 n\u00e3o tiveram sucesso devido \u00e0 interrup\u00e7\u00e3o do financiamento, ap\u00f3s a qual o autor da porta foi para a Microsoft e criou o Windows NT. <\/p>\n

O port proposto do OpenVMS para a arquitetura x86-64, al\u00e9m da instala\u00e7\u00e3o em hardware real, suporta o uso em m\u00e1quinas virtuais<\/a> KVM, VMware e VirtualBox. O port foi constru\u00eddo com base nos mesmos c\u00f3digos fontes do OpenVMS utilizados nas vers\u00f5es para as arquiteturas Alpha e Itanium, usando compila\u00e7\u00e3o condicional para substituir recursos vinculados \u00e0s peculiaridades das arquiteturas de hardware. <\/p>\n

O c\u00f3digo do OpenVMS foi adaptado para ser compilado usando LLVM em vez do compilador propriet\u00e1rio GEM, que era utilizado para compilar os ports para Alpha e Itanium (um tradutor especial foi escrito para refletir o GEM IR no LLVM IR, e o Clang foi adaptado para compilar c\u00f3digo C++ para o OpenVMS). A defini\u00e7\u00e3o e inicializa\u00e7\u00e3o do hardware utilizam UEFI e ACPI, e o carregamento \u00e9 feito com um disco RAM em vez do mecanismo de inicializa\u00e7\u00e3o especial VMS que \u00e9 espec\u00edfico para hardware. Para emular os n\u00edveis de privil\u00e9gio ausentes do VAX, Alpha e Itanium, que n\u00e3o est\u00e3o dispon\u00edveis nos sistemas x86-64, um m\u00f3dulo SWIS (Software Interrupt Services) foi acionado no n\u00facleo do OpenVMS.
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f VMS Software, \u043f\u044f\u0442\u044c \u043b\u0435\u0442 \u043d\u0430\u0437\u0430\u0434 \u0432\u044b\u043a\u0443\u043f\u0438\u0432\u0448\u0430\u044f \u0443 Hewlett-Packard \u043f\u0440\u0430\u0432\u0430 \u043d\u0430 \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0435\u043d\u0438\u0435 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b OpenVMS (Virtual Memory System), \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0432\u044b\u043f\u0443\u0441\u043a OpenVMS 9.1, \u043f\u0440\u0438\u043c\u0435\u0447\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b x86-64. \u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430 OpenVMS \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0441 1977 \u0433\u043e\u0434\u0430, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0432 \u043e\u0442\u043a\u0430\u0437\u043e\u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445, \u0442\u0440\u0435\u0431\u0443\u044e\u0449\u0438\u0445 \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u043d\u043e\u0439 \u043d\u0430\u0434\u0451\u0436\u043d\u043e\u0441\u0442\u0438, \u0438 \u0440\u0430\u043d\u0435\u0435 \u0431\u044b\u043b\u0430 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u0430 \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u043b\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440 VAX, Alpha \u0438 Intel Itanium. \u041f\u0440\u0438\u043c\u0435\u0447\u0430\u0442\u0435\u043b\u044c\u043d\u043e, […]<\/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-100693","post","type-post","status-publish","format-standard","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\udd47O sistema operacional OpenVMS foi portado para a arquitetura x86-64 | ProHoster","description":"A VMS Software, que comprou os direitos de continuar o desenvolvimento do sistema operacional OpenVMS (Virtual Memory System) da Hewlett-Packard h\u00e1 cinco anos, publicou a vers\u00e3o OpenVMS 9.1, not\u00e1vel pela 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