On Fri, Jan 20, 2023 at 08:10:45AM +0000, Yao, Jiewen wrote:
> > Can we define FV_HANDOFF_TABLE_POINTERS2 and FV_HANDOFF_TABLE_POINTERS2 in
> > MdePkg/Include/IndustryStandard/UefiTcgPlatform.h?
>
> [Jiewen] No. We cannot move to MdePkg.
> TCG defines the field to be variable length. Something like below:
>
> typedef struct {
> UINT8 TableDescriptionSize;
> UINT8 TableDescription[TableDescriptionSize];
> UINT64 NumberOfTables;
> EFI_CONFIGURATION_TABLE TableEntry[NumberOfTables];
> } HANDOFF_TABLE_POINTERS2;
>
> typedef struct {
> UINT8 BlobDescriptionSize;
> UINT8 BlobDescription[BlobDescriptionSize];
> EFI_PHYSICAL_ADDRESS BlobBase;
> UINT64 BlobLength;
> } HANDOFF_TABLE_POINTERS2;
>
> The implementation can choose its own length as they wish.
Why doesn't follow TDX standard TCG practices here?
take care,
Gerd
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