[U-Boot] [PATCH] efi_loader: Respect DT reserved regions

Heinrich Schuchardt xypron.glpk at gmx.de
Fri Apr 6 13:59:38 UTC 2018


On 04/06/2018 11:25 AM, Mark Kettenis wrote:
>> From: Alexander Graf <agraf at suse.de>
>> Date: Fri,  6 Apr 2018 09:42:47 +0200
>>
>> With legacy boot (booti, bootz), people can declare memory regions as
>> reserved using device tree memory reservations. This feature is some
>> times used to indicate memory regions that should not be touched.
>>
>> Since in a UEFI world, the DT memory reservations do not get honored,
>> let's copy them into the UEFI memory map so everyone has a coherent
>> view of the world and we give people the chance to add reservations
>> on demand.
> 
> This won't fix the issue raised here:
> 
>   https://lists.denx.de/pipermail/u-boot/2018-March/324336.html

Hello Mark,

take a look at meson_board_add_reserved_memory().

Best regards

Heinrich


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