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-rw-r--r--OvmfPkg/TdxDxe/X64/ApRunLoop.nasm2
1 files changed, 1 insertions, 1 deletions
diff --git a/OvmfPkg/TdxDxe/X64/ApRunLoop.nasm b/OvmfPkg/TdxDxe/X64/ApRunLoop.nasm
index 57560015f4..538ae71831 100644
--- a/OvmfPkg/TdxDxe/X64/ApRunLoop.nasm
+++ b/OvmfPkg/TdxDxe/X64/ApRunLoop.nasm
@@ -20,7 +20,7 @@ SECTION .text
BITS 64
-%define TDVMCALL_EXPOSE_REGS_MASK 0xffcc
+%define TDVMCALL_EXPOSE_REGS_MASK 0xffc4
%define TDVMCALL 0x0
%define EXIT_REASON_CPUID 0xa