diff options
Diffstat (limited to 'ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c')
-rw-r--r-- | ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c b/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c index 00a38bc31d..221175ca65 100644 --- a/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c +++ b/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c @@ -204,6 +204,14 @@ UpdateRegionMappingRecursive ( return EFI_OUT_OF_RESOURCES;
}
+ if (!ArmMmuEnabled ()) {
+ //
+ // Make sure we are not inadvertently hitting in the caches
+ // when populating the page tables.
+ //
+ InvalidateDataCacheRange (TranslationTable, EFI_PAGE_SIZE);
+ }
+
if ((*Entry & TT_TYPE_MASK) == TT_TYPE_BLOCK_ENTRY) {
//
// We are splitting an existing block entry, so we have to populate
@@ -602,6 +610,12 @@ ArmConfigureMmu ( *TranslationTableSize = RootTableEntryCount * sizeof(UINT64);
}
+ //
+ // Make sure we are not inadvertently hitting in the caches
+ // when populating the page tables.
+ //
+ InvalidateDataCacheRange (TranslationTable,
+ RootTableEntryCount * sizeof(UINT64));
ZeroMem (TranslationTable, RootTableEntryCount * sizeof(UINT64));
TranslationTableAttribute = TT_ATTR_INDX_INVALID;
|