diff options
Diffstat (limited to 'UefiCpuPkg/PiSmmCpuDxeSmm')
| -rw-r--r-- | UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c index 8736b5251c..eb3876978d 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c @@ -376,6 +376,32 @@ IsAddressSplit ( }
/**
+ Function to compare 2 MEMORY_PROTECTION_RANGE based on range base.
+
+ @param[in] Buffer1 pointer to Device Path poiner to compare
+ @param[in] Buffer2 pointer to second DevicePath pointer to compare
+
+ @retval 0 Buffer1 equal to Buffer2
+ @retval <0 Buffer1 is less than Buffer2
+ @retval >0 Buffer1 is greater than Buffer2
+**/
+INTN
+EFIAPI
+ProtectionRangeCompare (
+ IN CONST VOID *Buffer1,
+ IN CONST VOID *Buffer2
+ )
+{
+ if (((MEMORY_PROTECTION_RANGE *)Buffer1)->Range.Base > ((MEMORY_PROTECTION_RANGE *)Buffer2)->Range.Base) {
+ return 1;
+ } else if (((MEMORY_PROTECTION_RANGE *)Buffer1)->Range.Base < ((MEMORY_PROTECTION_RANGE *)Buffer2)->Range.Base) {
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
Initialize the protected memory ranges and the 4KB-page mapped memory ranges.
**/
@@ -397,6 +423,7 @@ InitProtectedMemRange ( EFI_PHYSICAL_ADDRESS Base2MBAlignedAddress;
UINT64 High4KBPageSize;
UINT64 Low4KBPageSize;
+ MEMORY_PROTECTION_RANGE MemProtectionRange;
NumberOfDescriptors = 0;
NumberOfAddedDescriptors = mSmmCpuSmramRangeCount;
@@ -533,6 +560,11 @@ InitProtectedMemRange ( mSplitMemRangeCount = NumberOfSpliteRange;
+ //
+ // Sort the mProtectionMemRange
+ //
+ QuickSort (mProtectionMemRange, mProtectionMemRangeCount, sizeof (MEMORY_PROTECTION_RANGE), (BASE_SORT_COMPARE)ProtectionRangeCompare, &MemProtectionRange);
+
DEBUG ((DEBUG_INFO, "SMM Profile Memory Ranges:\n"));
for (Index = 0; Index < mProtectionMemRangeCount; Index++) {
DEBUG ((DEBUG_INFO, "mProtectionMemRange[%d].Base = %lx\n", Index, mProtectionMemRange[Index].Range.Base));
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