diff options
| -rw-r--r-- | MdePkg/Library/BaseLib/X86UnitTestHost.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/MdePkg/Library/BaseLib/X86UnitTestHost.c b/MdePkg/Library/BaseLib/X86UnitTestHost.c index 8ba4f54a38..7f7276f7f4 100644 --- a/MdePkg/Library/BaseLib/X86UnitTestHost.c +++ b/MdePkg/Library/BaseLib/X86UnitTestHost.c @@ -66,6 +66,15 @@ UnitTestHostBaseLibAsmCpuid ( OUT UINT32 *Edx OPTIONAL
)
{
+ UINT32 RetEcx;
+
+ RetEcx = 0;
+ switch (Index) {
+ case 1:
+ RetEcx |= BIT30; /* RdRand */
+ break;
+ }
+
if (Eax != NULL) {
*Eax = 0;
}
@@ -75,7 +84,7 @@ UnitTestHostBaseLibAsmCpuid ( }
if (Ecx != NULL) {
- *Ecx = 0;
+ *Ecx = RetEcx;
}
if (Edx != NULL) {
|