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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