diff options
Diffstat (limited to 'ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c')
| -rw-r--r-- | ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c b/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c index a43d468b73..d78918cf7b 100644 --- a/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c +++ b/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c @@ -142,15 +142,21 @@ ReplaceTableEntry ( STATIC
VOID
FreePageTablesRecursive (
- IN UINT64 *TranslationTable
+ IN UINT64 *TranslationTable,
+ IN UINTN Level
)
{
UINTN Index;
- for (Index = 0; Index < TT_ENTRY_COUNT; Index++) {
- if ((TranslationTable[Index] & TT_TYPE_MASK) == TT_TYPE_TABLE_ENTRY) {
- FreePageTablesRecursive ((VOID *)(UINTN)(TranslationTable[Index] &
- TT_ADDRESS_MASK_BLOCK_ENTRY));
+ ASSERT (Level <= 3);
+
+ if (Level < 3) {
+ for (Index = 0; Index < TT_ENTRY_COUNT; Index++) {
+ if ((TranslationTable[Index] & TT_TYPE_MASK) == TT_TYPE_TABLE_ENTRY) {
+ FreePageTablesRecursive ((VOID *)(UINTN)(TranslationTable[Index] &
+ TT_ADDRESS_MASK_BLOCK_ENTRY),
+ Level + 1);
+ }
}
}
FreePages (TranslationTable, 1);
@@ -254,7 +260,7 @@ UpdateRegionMappingRecursive ( // possible for existing table entries, since we cannot revert the
// modifications we made to the subhierarchy it represents.)
//
- FreePageTablesRecursive (TranslationTable);
+ FreePageTablesRecursive (TranslationTable, Level + 1);
}
return Status;
}
|