/** @file\r
CPU DXE Module.\r
\r
- Copyright (c) 2008 - 2010, Intel Corporation\r
- All rights reserved. This program and the accompanying materials\r
+ Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved.<BR>\r
+ This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
RETURN_STATUS Status;\r
MTRR_MEMORY_CACHE_TYPE CacheType;\r
\r
+ if (!IsMtrrSupported ()) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
DEBUG((EFI_D_ERROR, "CpuAp: SetMemorySpaceAttributes(BA=%08x, Len=%08x, Attr=%08x)\n", BaseAddress, Length, Attributes));\r
\r
//\r
UINTN NumberOfDescriptors;\r
EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;\r
UINT64 DefaultAttributes;\r
- VARIABLE_MTRR VariableMtrr[MAX_MTRR_NUMBER_OF_VARIABLE_MTRR];\r
+ VARIABLE_MTRR VariableMtrr[MTRR_NUMBER_OF_VARIABLE_MTRR];\r
MTRR_FIXED_SETTINGS MtrrFixedSettings;\r
UINT32 FirmwareVariableMtrrCount;\r
- UINT32 UsedMtrr;\r
+\r
+ if (!IsMtrrSupported ()) {\r
+ return;\r
+ }\r
\r
FirmwareVariableMtrrCount = GetFirmwareVariableMtrrCount ();\r
+ ASSERT (FirmwareVariableMtrrCount <= MTRR_NUMBER_OF_VARIABLE_MTRR);\r
\r
// mIsFlushingGCD = TRUE;\r
mIsFlushingGCD = FALSE;\r
//\r
// Get the memory attribute of variable MTRRs\r
//\r
- UsedMtrr = MAX_MTRR_NUMBER_OF_VARIABLE_MTRR;\r
MtrrGetMemoryAttributeInVariableMtrr (\r
mValidMtrrBitsMask,\r
mValidMtrrAddressMask,\r
- &UsedMtrr,\r
VariableMtrr\r
);\r
\r
IA32_DESCRIPTOR *IdtPtr;\r
UINTN Index;\r
UINTN CurrentHandler;\r
- BOOLEAN InterruptState;\r
\r
SetMem (ExternalVectorTable, sizeof(ExternalVectorTable), 0);\r
\r
IdtPtr->Base = (UINT32)(((UINTN)(VOID*) gIdtTable) & (BASE_4GB-1));\r
IdtPtr->Limit = sizeof (gIdtTable) - 1;\r
\r
- //\r
- // Disable interrupts and save the current interrupt state\r
- //\r
- InterruptState = SaveAndDisableInterrupts ();\r
-\r
AsmWriteIdtr (IdtPtr);\r
\r
- //\r
- // Restore the interrupt state\r
- //\r
- SetInterruptState (InterruptState);\r
-\r
FreePool (IdtPtrAlignmentBuffer);\r
\r
//\r