Re: [PATCH v4 1/5] OvmfPkg/PlatformInitLib: Add PlatformScanE820 and GetFirstNonAddressCB

["Laszlo Ersek" <lersek@redhat.com>]

On 1/17/23 13:16, Gerd Hoffmann wrote:

> +/**
> +  Store first address not used by e820 RAM entries in
> +  PlatformInfoHob->FirstNonAddress
> +**/
> +VOID
> +PlatformGetFirstNonAddressCB (
> +  IN     EFI_E820_ENTRY64       *E820Entry,
> +  IN OUT EFI_HOB_PLATFORM_INFO  *PlatformInfoHob
> +  )
> +{
> +  UINT64  Candidate;
> +
> +  if (E820Entry->Type != EfiAcpiAddressRangeMemory) {
> +    return;
> +  }
> +
> +  Candidate = E820Entry->BaseAddr + E820Entry->Length;
> +  if (PlatformInfoHob->FirstNonAddress < Candidate) {
> +    DEBUG ((DEBUG_INFO, "%a: FirstNonAddress=0x%Lx\n", __FUNCTION__, Candidate));
> +    PlatformInfoHob->FirstNonAddress = Candidate;
> +  }
> +}

This could have been made STATIC (like the other three callbacks), but
it's not important.

Laszlo