OK I've been trying a bunch of things here but not having much luck.
I am familiar with normal booting from UEFI grub and MBR versions of grub
I can boot DOS from Legacy Grub with the following
grub> root='hd2,msdos1'
grub> parttool ${root} hidden-
Setting partition type to 0x6
grub> drivemap -s (hd0) ${root}
grub> chainloader +1
If I try this in UEFI grub
grub> root='hd2,msdos1'
grub> parttool ${root} hidden-
Setting partition type to 0x6
grub> drivemap -s (hd0) ${root}
error: can't find command `drivemap'.
grub> chainloader +1
error: invalid EFI file path.
If I try and let update-grub fix it They go away completely if I boot
from UEFI mode.
For now I have resigned to just booting everything from Legacy mode
but would like to know if it is possible to use it from UEFI mode?
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