summaryrefslogtreecommitdiffstats
path: root/UefiCpuPkg
diff options
context:
space:
mode:
authorDun Tan <dun.tan@intel.com>2023-03-20 09:40:01 +0800
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2023-03-27 08:21:58 +0000
commitb6b54367c30f1f62a8b5228bc1dfb32246bc91be (patch)
treeb94a0f4004d58daa04e34a7244aee0dc80205f27 /UefiCpuPkg
parent4904a2b1ecb700fce6085f3e0ae18a73aed97a2e (diff)
downloadedk2-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>
Diffstat (limited to 'UefiCpuPkg')
-rw-r--r--UefiCpuPkg/Library/CpuPageTableLib/CpuPageTableMap.c3
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.