Reviewed-by: Min Xu <[email protected]>

> -----Original Message-----
> From: Sun, CepingX <[email protected]>
> Sent: Tuesday, February 27, 2024 5:19 AM
> To: [email protected]
> Cc: Sun, CepingX <[email protected]>; Aktas, Erdem
> <[email protected]>; James Bottomley <[email protected]>; Yao,
> Jiewen <[email protected]>; Xu, Min M <[email protected]>; Tom
> Lendacky <[email protected]>; Michael Roth
> <[email protected]>; Gerd Hoffmann <[email protected]>;
> Yamahata, Isaku <[email protected]>
> Subject: [PATCH V1 2/3] OvmfPkg/CcExitLib: Update
> TDVMCALL_EXPOSE_REGS_MASK
> 
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4696
> 
> Refer to the [GHCI] spec, TDVF should clear the BIT5 for RBP in the mask.
> 
> Reference:
> [GHCI]: TDX Guest-Host-Communication Interface v1.5
> https://cdrdv2.intel.com/v1/dl/getContent/726792
> 
> Cc: Erdem Aktas <[email protected]>
> Cc: James Bottomley <[email protected]>
> Cc: Jiewen Yao <[email protected]>
> Cc: Min Xu <[email protected]>
> Cc: Tom Lendacky <[email protected]>
> Cc: Michael Roth <[email protected]>
> Cc: Gerd Hoffmann <[email protected]>
> Cc: Isaku Yamahata <[email protected]>
> Signed-off-by: Ceping Sun <[email protected]>
> ---
>  OvmfPkg/Library/CcExitLib/X64/TdVmcallCpuid.nasm | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/OvmfPkg/Library/CcExitLib/X64/TdVmcallCpuid.nasm
> b/OvmfPkg/Library/CcExitLib/X64/TdVmcallCpuid.nasm
> index fa86440904fe..c9c007352e8d 100644
> --- a/OvmfPkg/Library/CcExitLib/X64/TdVmcallCpuid.nasm
> +++ b/OvmfPkg/Library/CcExitLib/X64/TdVmcallCpuid.nasm
> @@ -9,7 +9,7 @@
>  DEFAULT REL
>  SECTION .text
> 
> -%define TDVMCALL_EXPOSE_REGS_MASK       0xffec
> +%define TDVMCALL_EXPOSE_REGS_MASK       0xffcc
>  %define TDVMCALL                        0x0
>  %define EXIT_REASON_CPUID               0xa
> 
> --
> 2.34.1



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