diff options
Diffstat (limited to 'UefiCpuPkg/Library/MtrrLib/MtrrLib.c')
| -rw-r--r-- | UefiCpuPkg/Library/MtrrLib/MtrrLib.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/UefiCpuPkg/Library/MtrrLib/MtrrLib.c b/UefiCpuPkg/Library/MtrrLib/MtrrLib.c index 3c3115c8a0..4e6878f282 100644 --- a/UefiCpuPkg/Library/MtrrLib/MtrrLib.c +++ b/UefiCpuPkg/Library/MtrrLib/MtrrLib.c @@ -1156,6 +1156,8 @@ MtrrGetMemoryAttribute ( // Go through the variable MTRR
//
VariableMtrrCount = GetVariableMtrrCount ();
+ ASSERT (VariableMtrrCount <= MTRR_NUMBER_OF_VARIABLE_MTRR);
+
for (Index = 0; Index < VariableMtrrCount; Index++) {
if (VariableMtrr[Index].Valid) {
if (Address >= VariableMtrr[Index].BaseAddress &&
@@ -1189,6 +1191,8 @@ MtrrGetVariableMtrr ( UINT32 VariableMtrrCount;
VariableMtrrCount = GetVariableMtrrCount ();
+ ASSERT (VariableMtrrCount <= MTRR_NUMBER_OF_VARIABLE_MTRR);
+
for (Index = 0; Index < VariableMtrrCount; Index++) {
VariableSettings->Mtrr[Index].Base =
AsmReadMsr64 (MTRR_LIB_IA32_VARIABLE_MTRR_BASE + (Index << 1));
@@ -1215,6 +1219,8 @@ MtrrSetVariableMtrrWorker ( UINT32 VariableMtrrCount;
VariableMtrrCount = GetVariableMtrrCount ();
+ ASSERT (VariableMtrrCount <= MTRR_NUMBER_OF_VARIABLE_MTRR);
+
for (Index = 0; Index < VariableMtrrCount; Index++) {
AsmWriteMsr64 (
MTRR_LIB_IA32_VARIABLE_MTRR_BASE + (Index << 1),
|