[edk2-devel] [Patch V4 07/21] UefiCpuPkg/MpInitLib: Add code to initialize MapMask
duntan
dun.tan at intel.com
Thu Mar 23 07:40:43 UTC 2023
In function CreatePageTable(), add code to initialize MapMask to
MAX_UINT64. When creating new page table or map non-present range
to present, all attributes should be provided.
Signed-off-by: Dun Tan <dun.tan at intel.com>
Cc: Eric Dong <eric.dong at intel.com>
Cc: Ray Ni <ray.ni at intel.com>
Cc: Rahul Kumar <rahul1.kumar at intel.com>
Cc: Gerd Hoffmann <kraxel at redhat.com>
---
UefiCpuPkg/Library/MpInitLib/X64/CreatePageTable.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/UefiCpuPkg/Library/MpInitLib/X64/CreatePageTable.c b/UefiCpuPkg/Library/MpInitLib/X64/CreatePageTable.c
index 7cf91ed9c4..f20068152b 100644
--- a/UefiCpuPkg/Library/MpInitLib/X64/CreatePageTable.c
+++ b/UefiCpuPkg/Library/MpInitLib/X64/CreatePageTable.c
@@ -36,10 +36,7 @@ CreatePageTable (
MapAttribute.Uint64 = Address;
MapAttribute.Bits.Present = 1;
MapAttribute.Bits.ReadWrite = 1;
-
- MapMask.Bits.PageTableBaseAddress = 1;
- MapMask.Bits.Present = 1;
- MapMask.Bits.ReadWrite = 1;
+ MapMask.Uint64 = MAX_UINT64;
PageTable = 0;
PageTableBufferSize = 0;
--
2.31.1.windows.1
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