diff options
Diffstat (limited to 'OvmfPkg/ResetVector/Ia32/PageTables64.asm')
| -rw-r--r-- | OvmfPkg/ResetVector/Ia32/PageTables64.asm | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/OvmfPkg/ResetVector/Ia32/PageTables64.asm b/OvmfPkg/ResetVector/Ia32/PageTables64.asm index eacdb69ddb..f688909f1c 100644 --- a/OvmfPkg/ResetVector/Ia32/PageTables64.asm +++ b/OvmfPkg/ResetVector/Ia32/PageTables64.asm @@ -42,6 +42,10 @@ BITS 32 ;
SetCr3ForPageTables64:
+ ; Clear the WorkArea header. The SEV probe routines will populate the
+ ; work area when detected.
+ mov byte[WORK_AREA_GUEST_TYPE], 0
+
OneTimeCall CheckSevFeatures
xor edx, edx
test eax, eax
|