diff options
| author | Dun Tan <dun.tan@intel.com> | 2023-03-20 09:40:01 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2023-03-27 08:21:58 +0000 |
| commit | b6b54367c30f1f62a8b5228bc1dfb32246bc91be (patch) | |
| tree | b94a0f4004d58daa04e34a7244aee0dc80205f27 | |
| parent | 4904a2b1ecb700fce6085f3e0ae18a73aed97a2e (diff) | |
| download | edk2-b6b54367c30f1f62a8b5228bc1dfb32246bc91be.tar.gz edk2-b6b54367c30f1f62a8b5228bc1dfb32246bc91be.tar.bz2 edk2-b6b54367c30f1f62a8b5228bc1dfb32246bc91be.zip | |
UefiCpuPkg/CpuPageTableLib:Clear PageSize bit(Bit7) for non-leaf
Clear PageSize bit(Bit7) for non-leaf entry in PageTableLibSetPnle.
This function is used to set non-leaf entry attributes so it should
make sure that the PageSize bit of the entry should be 0.
Signed-off-by: Dun Tan <dun.tan@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
| -rw-r--r-- | UefiCpuPkg/Library/CpuPageTableLib/CpuPageTableMap.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/UefiCpuPkg/Library/CpuPageTableLib/CpuPageTableMap.c b/UefiCpuPkg/Library/CpuPageTableLib/CpuPageTableMap.c index b94ef07c56..57f1db203b 100644 --- a/UefiCpuPkg/Library/CpuPageTableLib/CpuPageTableMap.c +++ b/UefiCpuPkg/Library/CpuPageTableLib/CpuPageTableMap.c @@ -202,7 +202,8 @@ PageTableLibSetPnle ( Pnle->Bits.Nx = Attribute->Bits.Nx;
}
- Pnle->Bits.Accessed = 0;
+ Pnle->Bits.Accessed = 0;
+ Pnle->Bits.MustBeZero = 0;
//
// Set the attributes (WT, CD, A) to 0.
|