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clarify ifdtool location for grub hardening 

Signed-off-by: Leah Rowe <info@minifree.org>
master
Leah Rowe 2024-08-26 18:53:47 +01:00
parent c131211696
commit a662f2f19a
1 changed files with 5 additions and 0 deletions
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site/docs/gnulinux/grub_hardening.md
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@ -303,6 +303,11 @@ The simplest way is to just do this:
ifdtool -x canoeboot.rom -O canoeboot.rom
If you did the step before, to compile `cbfstool`, you can find ifdtool in
the `elf/` directory, e.g. `elf/ifdtool/default/ifdtool`. Make sure to use
the correct version, as per `tree=` (same as before when deciding to which
cbfstool version to use based on the coreboot tree used by your board).
Note that this only works for Intel-based systems that use an Intel Flash
Descriptor, which is actually most Intel systems that Canoeboot supports.