EFI variables
A UEFI Variable is specified with a combination of a GUID and a Unicode string. The GUID prevents name collisions between different vendors. Each vendor may ... ,The problem was simply that the efivarfs kernel module was not loaded. This can be confirmed by: sh-4.2# efivar-tester UEFI variables are not supported on ... ,2021年6月24日 — efibootmgr is a tool for managing UEFI boot entries. ... In order to successfully use efibootmgr the EFI variables filesystem must be ... ,The efivarfs filesystem was created to address the shortcomings of using entries in sysfs to maintain EFI variables. The old sysfs EFI variables code only ... ,2018年8月4日 — I am asking specifically about variables visible in /sys/firmware/efi/efivars under Linux, not about issues with legacy/non-legacy modes. – ... ,EFI implementations must provide some way to control the boot mode (EFI vs. BIOS), except of course for EFI-only implementations without BIOS support. ,2021年11月5日 — Linux kernel exposes UEFI variables data to userspace via efivarfs (EFI VARiable FileSystem) interface ( CONFIG_EFIVAR_FS ) - mounted using ... , ,930 Clarify usage of EFI Variable Varstores in HII. April 3, 2013 ... 946 Forbid creation of non-spec variables in EFI_GLOBAL_VARIABLE namespace.
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 EFI variables 相關參考資料
5.2.5 GetVariable() and SetVariable() - GitBook
A UEFI Variable is specified with a combination of a GUID and a Unicode string. The GUID prevents name collisions between different vendors. Each vendor may ... https://edk2-docs.gitbook.io EFI variables are not supported on this system - Unix ...
The problem was simply that the efivarfs kernel module was not loaded. This can be confirmed by: sh-4.2# efivar-tester UEFI variables are not supported on ... https://unix.stackexchange.com Efibootmgr - Gentoo Wiki
2021年6月24日 — efibootmgr is a tool for managing UEFI boot entries. ... In order to successfully use efibootmgr the EFI variables filesystem must be ... https://wiki.gentoo.org efivarfs - a (U)EFI variable filesystem - The Linux Kernel ...
The efivarfs filesystem was created to address the shortcomings of using entries in sysfs to maintain EFI variables. The old sysfs EFI variables code only ... https://www.kernel.org How to safely set, change, remove values of EFI variables
2018年8月4日 — I am asking specifically about variables visible in /sys/firmware/efi/efivars under Linux, not about issues with legacy/non-legacy modes. – ... https://superuser.com Tools to modify UEFI Variables in WindowsLinux? - Super User
EFI implementations must provide some way to control the boot mode (EFI vs. BIOS), except of course for EFI-only implementations without BIOS support. https://superuser.com Unified Extensible Firmware Interface - ArchWiki
2021年11月5日 — Linux kernel exposes UEFI variables data to userspace via efivarfs (EFI VARiable FileSystem) interface ( CONFIG_EFIVAR_FS ) - mounted using ... https://wiki.archlinux.org Unified Extensible Firmware Interface - Wikipedia
https://en.wikipedia.org Unified Extensible Firmware Interface Specification - UEFI.org
930 Clarify usage of EFI Variable Varstores in HII. April 3, 2013 ... 946 Forbid creation of non-spec variables in EFI_GLOBAL_VARIABLE namespace. https://uefi.org |