[U-Boot] [U-Boot, v4, 21/21] efi_loader: Expose U-Boot addresses in memory map for sandbox

[Alexander Graf]

> We currently expose host addresses in the EFI memory map. That can be
> bad if we ever want to use sandbox to boot strap a real kernel, because
> then the kernel would fetch its memory table from our host virtual address
> map. But to make that use case work, we would need to have full control
> over the address space the EFI application sees.
> 
> So let's expose only U-Boot addresses to the guest until we get to the
> point of allocation. EFI's allocation functions are fun - they can take
> U-Boot addresses as input values for hints and return host addresses as
> allocation results through the same uint64_t * parameter. So we need to
> be extra careful on what to pass in when.
> 
> With this patch I am successfully able to run the efi selftest suite as
> well as grub.efi on aarch64.
> 
> Signed-off-by: Alexander Graf <agraf at suse.de>

Thanks, applied to efi-next

Alex