diff options
| -rw-r--r-- | UefiCpuPkg/CpuDxe/CpuPageTable.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/UefiCpuPkg/CpuDxe/CpuPageTable.c b/UefiCpuPkg/CpuDxe/CpuPageTable.c index a9c9bc9..3ad55f6 100644 --- a/UefiCpuPkg/CpuDxe/CpuPageTable.c +++ b/UefiCpuPkg/CpuDxe/CpuPageTable.c @@ -699,6 +699,10 @@ ConvertMemoryPageAttributes ( DEBUG ((DEBUG_ERROR, "Non-PAE Paging!\n"));
return EFI_UNSUPPORTED;
}
+ if ((BaseAddress + Length) > BASE_4GB) {
+ DEBUG ((DEBUG_ERROR, "Beyond 4GB memory in 32-bit mode!\n"));
+ return EFI_UNSUPPORTED;
+ }
break;
case IMAGE_FILE_MACHINE_X64:
ASSERT (CurrentPagingContext.ContextData.X64.PageTableBase != 0);
|