diff options
| -rw-r--r-- | MdeModulePkg/Core/DxeIplPeim/Ia32/DxeLoadFunc.c | 4 | ||||
| -rw-r--r-- | MdeModulePkg/Core/DxeIplPeim/X64/DxeLoadFunc.c | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/MdeModulePkg/Core/DxeIplPeim/Ia32/DxeLoadFunc.c b/MdeModulePkg/Core/DxeIplPeim/Ia32/DxeLoadFunc.c index 172d7cd1c6..6e8ca824d4 100644 --- a/MdeModulePkg/Core/DxeIplPeim/Ia32/DxeLoadFunc.c +++ b/MdeModulePkg/Core/DxeIplPeim/Ia32/DxeLoadFunc.c @@ -246,8 +246,12 @@ HandOffToDxeCore ( EFI_PEI_VECTOR_HANDOFF_INFO_PPI *VectorHandoffInfoPpi;
BOOLEAN BuildPageTablesIa32Pae;
+ //
+ // Clear page 0 and mark it as allocated if NULL pointer detection is enabled.
+ //
if (IsNullDetectionEnabled ()) {
ClearFirst4KPage (HobList.Raw);
+ BuildMemoryAllocationHob (0, EFI_PAGES_TO_SIZE (1), EfiBootServicesData);
}
Status = PeiServicesAllocatePages (EfiBootServicesData, EFI_SIZE_TO_PAGES (STACK_SIZE), &BaseOfStack);
diff --git a/MdeModulePkg/Core/DxeIplPeim/X64/DxeLoadFunc.c b/MdeModulePkg/Core/DxeIplPeim/X64/DxeLoadFunc.c index 2867610bff..f465eb1d8a 100644 --- a/MdeModulePkg/Core/DxeIplPeim/X64/DxeLoadFunc.c +++ b/MdeModulePkg/Core/DxeIplPeim/X64/DxeLoadFunc.c @@ -36,8 +36,12 @@ HandOffToDxeCore ( EFI_VECTOR_HANDOFF_INFO *VectorInfo;
EFI_PEI_VECTOR_HANDOFF_INFO_PPI *VectorHandoffInfoPpi;
+ //
+ // Clear page 0 and mark it as allocated if NULL pointer detection is enabled.
+ //
if (IsNullDetectionEnabled ()) {
ClearFirst4KPage (HobList.Raw);
+ BuildMemoryAllocationHob (0, EFI_PAGES_TO_SIZE (1), EfiBootServicesData);
}
//
|