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OcMemoryLib: Silence compiler warnings

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closes acidanthera/bugtracker#639
This commit is contained in:
vit9696 2020-01-09 11:52:07 +03:00
parent b72aa50152
commit 97d375fdd5
1 changed files with 9 additions and 3 deletions
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12
Library/OcMemoryLib/MemoryMap.c
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@ -411,16 +411,22 @@ CountFreePages (
continue;
}
FreePages += EntryWalker->NumberOfPages;
//
// This cannot overflow even on 32-bit systems unless they have > 16 TB of RAM,
// just assert to ensure that we have valid MemoryMap.
//
ASSERT (EntryWalker->NumberOfPages <= MAX_UINTN);
ASSERT (MAX_UINTN - EntryWalker->NumberOfPages >= FreePages);
FreePages += (UINTN) EntryWalker->NumberOfPages;
if (LowerMemory == NULL || EntryWalker->PhysicalStart >= BASE_4GB) {
continue;
}
if (EntryWalker->PhysicalStart + EFI_PAGES_TO_SIZE (EntryWalker->NumberOfPages) > BASE_4GB) {
*LowerMemory += EFI_SIZE_TO_PAGES (BASE_4GB - EntryWalker->PhysicalStart);
*LowerMemory += (UINTN) EFI_SIZE_TO_PAGES (BASE_4GB - EntryWalker->PhysicalStart);
} else {
*LowerMemory += EntryWalker->NumberOfPages;
*LowerMemory += (UINTN) EntryWalker->NumberOfPages;
}
}