diff --git a/UefiCpuPkg/Library/MpInitLib/X64/MpFuncs.nasm b/UefiCpuPkg/Library/MpInitLib/X64/MpFuncs.nasm index 5d30f35b20..5532a1d391 100644 --- a/UefiCpuPkg/Library/MpInitLib/X64/MpFuncs.nasm +++ b/UefiCpuPkg/Library/MpInitLib/X64/MpFuncs.nasm @@ -533,6 +533,12 @@ BITS 64 mov rax, 0x80000004 ; VMGEXIT AP_RESET_HOLD mov [rdx + 0x390], rax + mov rax, 114 ; Set SwExitCode valid bit + bts [rdx + 0x3f0], rax + inc rax ; Set SwExitInfo1 valid bit + bts [rdx + 0x3f0], rax + inc rax ; Set SwExitInfo2 valid bit + bts [rdx + 0x3f0], rax pop rdx pop rcx