009 Embedded Linux-ARM. StorageQueries and discussion related to usage of Linux on ARM based devices. Linux has been ported to a variety of CPUs which are not only primarily used as the processor of a desktop or server computer, but also ARM, AVR32, ETRAX CRIS, FR-V, H8300, IP7000, m68k, MIPS, mn10300, SuperH, and Xtensa processors, It is also used as an alternative to using a proprietary operating system and toolchain. » 009.04.Boot Loaders
009.04.91.48. Technical Insight and Configuration Management:
"Describe how the 30_uefi-firmware script determines if a system is running in UEFI mode and the significance of the $grub_platform environment variable in this process. What would happen if this variable is not set correctly?"
It checks if GRUB is running on a UEFI platform by evaluating the `$grub_platform` variable If this variable equals "efi", it proceeds to add the menu entry.
If this variable is not set correctly that there won't be an access point to the system's UEFI firmware settings from withing the GRUB boot menu.
