diff options
| -rw-r--r-- | UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c | 8 | ||||
| -rw-r--r-- | UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h | 16 | ||||
| -rw-r--r-- | UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c | 22 |
3 files changed, 6 insertions, 40 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c index 3c69c5b7a2..5ba6c0e1c6 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c @@ -1095,10 +1095,14 @@ PiCpuSmmEntry ( mSmmShadowStackSize
);
if (FeaturePcdGet (PcdCpuSmmStackGuard)) {
- SetNotPresentPage (
+ ConvertMemoryPageAttributes (
Cr3,
+ mPagingMode,
(EFI_PHYSICAL_ADDRESS)(UINTN)Stacks + mSmmStackSize + EFI_PAGES_TO_SIZE (1) + (mSmmStackSize + mSmmShadowStackSize) * Index,
- EFI_PAGES_TO_SIZE (1)
+ EFI_PAGES_TO_SIZE (1),
+ EFI_MEMORY_RP,
+ TRUE,
+ NULL
);
}
}
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h index fe8c71aef1..8020e36df3 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h @@ -1250,22 +1250,6 @@ SetShadowStack ( );
/**
- Set not present memory.
-
- @param[in] Cr3 The page table base address.
- @param[in] BaseAddress The physical address that is the start address of a memory region.
- @param[in] Length The size in bytes of the memory region.
-
- @retval EFI_SUCCESS The not present memory is set.
-**/
-EFI_STATUS
-SetNotPresentPage (
- IN UINTN Cr3,
- IN EFI_PHYSICAL_ADDRESS BaseAddress,
- IN UINT64 Length
- );
-
-/**
Initialize the shadow stack related data structure.
@param CpuIndex The index of CPU.
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c index 13fc3903fb..6f49866615 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c @@ -769,28 +769,6 @@ SetShadowStack ( }
/**
- Set not present memory.
-
- @param[in] Cr3 The page table base address.
- @param[in] BaseAddress The physical address that is the start address of a memory region.
- @param[in] Length The size in bytes of the memory region.
-
- @retval EFI_SUCCESS The not present memory is set.
-**/
-EFI_STATUS
-SetNotPresentPage (
- IN UINTN Cr3,
- IN EFI_PHYSICAL_ADDRESS BaseAddress,
- IN UINT64 Length
- )
-{
- EFI_STATUS Status;
-
- Status = SmmSetMemoryAttributesEx (Cr3, mPagingMode, BaseAddress, Length, EFI_MEMORY_RP);
- return Status;
-}
-
-/**
Retrieves a pointer to the system configuration table from the SMM System Table
based on a specified GUID.
|