[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



-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#101635): https://edk2.groups.io/g/devel/message/101635
Mute This Topic: https://groups.io/mt/97796381/1813853
Group Owner: devel+owner at edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [edk2-devel-archive at redhat.com]
-=-=-=-=-=-=-=-=-=-=-=-




More information about the edk2-devel-archive mailing list