Linux UEFI variables

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Linux UEFI variables

UEFI variables support in Linux kernel. Linux kernel exposes UEFI variables data to userspace via efivarfs (EFI VARiable FileSystem) interface ... ,2019年6月13日 — 1, UEFI 引导变量 :Boot Variables. 只在早期系统启动时由引导加载程序和操作系统使用。 2, UEFI 运行时变量 :Runtime services Variables. UEFI 运行时 ... ,The efivarfs filesystem was created to address the shortcomings of using entries in sysfs to maintain EFI variables. ,2018年1月4日 — You can use UEFI variables to influence the boot process. For example, we have used such a variable to switch the next boot to an alternative ... ,UEFI variables store and represent configuration settings of the UEFI firmware. See UEFI for more information. You can see a list of UEFI variables on your ... ,2021年3月23日 — A UEFI variable is specified with a combination of a GUID of the variable owner, a name, and a value. The GUID prevents name collisions between ... ,2023年11月18日 — Scriptable tool to read and write UEFI variables from EFI shell. View, save, edit and restore hidden UEFI (BIOS) Setup settings faster than with the OEM menu ... ,The UEFI boot manager is a firmware policy engine that can be configured by modifying architecturally defined global NVRAM variables. ,3 天前 — UEFI variables provide a way to store data, in particular non-volatile data. Some UEFI variables are shared between platform firmware and ... ,UEFI variables are used by the boot loader and the operating system to configure early system startup. They allow the operating system to manage certain ...

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Linux UEFI variables 相關參考資料
Unified Extensible Firmware Interface - ArchWiki

UEFI variables support in Linux kernel. Linux kernel exposes UEFI variables data to userspace via efivarfs (EFI VARiable FileSystem) interface ...

https://wiki.archlinux.org

UEFI 与Linux基础:一原创

2019年6月13日 — 1, UEFI 引导变量 :Boot Variables. 只在早期系统启动时由引导加载程序和操作系统使用。 2, UEFI 运行时变量 :Runtime services Variables. UEFI 运行时 ...

https://blog.csdn.net

efivarfs - a (U)EFI variable filesystem

The efivarfs filesystem was created to address the shortcomings of using entries in sysfs to maintain EFI variables.

https://docs.kernel.org

efi variable entries in sysfirmwareefiefivars

2018年1月4日 — You can use UEFI variables to influence the boot process. For example, we have used such a variable to switch the next boot to an alternative ...

https://unix.stackexchange.com

UEFI variables for VMs

UEFI variables store and represent configuration settings of the UEFI firmware. See UEFI for more information. You can see a list of UEFI variables on your ...

https://documentation.ubuntu.c

Sending data from UEFI to OS through UEFI variables

2021年3月23日 — A UEFI variable is specified with a combination of a GUID of the variable owner, a name, and a value. The GUID prevents name collisions between ...

https://davysouza.medium.com

UEFI Variable Tool (UVT)

2023年11月18日 — Scriptable tool to read and write UEFI variables from EFI shell. View, save, edit and restore hidden UEFI (BIOS) Setup settings faster than with the OEM menu ...

https://github.com

3. Boot Manager — UEFI Specification 2.10 documentation

The UEFI boot manager is a firmware policy engine that can be configured by modifying architecturally defined global NVRAM variables.

https://uefi.org

UEFI Adaptation — NVIDIA Jetson Linux Developer Guide ...

3 天前 — UEFI variables provide a way to store data, in particular non-volatile data. Some UEFI variables are shared between platform firmware and ...

https://docs.nvidia.com

UEFI variables for Amazon EC2 instances

UEFI variables are used by the boot loader and the operating system to configure early system startup. They allow the operating system to manage certain ...

https://docs.aws.amazon.com