On Fri, Jan 29, 2021 at 04:32:29PM +0100, Heinrich Schuchardt wrote:
> According to the Embedded Base Boot Requirements (EBBR) specification the
> device-tree passed to Linux as a configuration table must reside in
> EfiACPIReclaimMemory.
>
> Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
Reviewed-by: Daniel Kiper <daniel.ki...@oracle.com>
Daniel
> ---
> Resend due to Leif's changed email address
> ---
> grub-core/loader/efi/fdt.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/grub-core/loader/efi/fdt.c b/grub-core/loader/efi/fdt.c
> index ee9c5592c..57ee81686 100644
> --- a/grub-core/loader/efi/fdt.c
> +++ b/grub-core/loader/efi/fdt.c
> @@ -25,6 +25,7 @@
> #include <grub/efi/efi.h>
> #include <grub/efi/fdtload.h>
> #include <grub/efi/memory.h>
> +#include <grub/cpu/efi/memory.h>
>
> static void *loaded_fdt;
> static void *fdt;
> @@ -60,7 +61,10 @@ grub_fdt_load (grub_size_t additional_size)
> size += additional_size;
>
> grub_dprintf ("linux", "allocating %d bytes for fdt\n", size);
> - fdt = grub_efi_allocate_any_pages (GRUB_EFI_BYTES_TO_PAGES (size));
> + fdt = grub_efi_allocate_pages_real (GRUB_EFI_MAX_USABLE_ADDRESS,
> + GRUB_EFI_BYTES_TO_PAGES (size),
> + GRUB_EFI_ALLOCATE_MAX_ADDRESS,
> + GRUB_EFI_ACPI_RECLAIM_MEMORY);
> if (!fdt)
> return NULL;
>
> --
> 2.29.2
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