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StandaloneMmPkg: StandaloneMmCoreMemoryAllocationLib: Fix compiler warning

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Assigning MmramRangeCount from MmCorePrivate (UINT64) to local variable
MmramRangeCount (UINT32) will cause compilation failure due to "warning
C4244: '=': conversion from 'UINT64' to 'UINT32', possible loss of data".
This changes defines local MmramRangeCount as UINTN type and adds type
cast before value assignment.

Cc: Ard Biesheuvel <ard.biesheuvel@arm.com>
Cc: Sami Mujawar <sami.mujawar@arm.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Supreeth Venkatesh <supreeth.venkatesh@arm.com>

Signed-off-by: Kun Qin <kun.q@outlook.com>
Reviewed-by: Jiewen Yao <Jiewen.yao@intel.com>
This commit is contained in:
Kun Qin 2020-12-17 18:51:05 -08:00
parent f6c488b704
commit 2b9006762d
1 changed files with 3 additions and 3 deletions
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6
StandaloneMmPkg/Library/StandaloneMmCoreMemoryAllocationLib/StandaloneMmCoreMemoryAllocationLib.c
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@ -841,7 +841,7 @@ MemoryAllocationLibConstructor (
VOID *HobStart; VOID *HobStart;
EFI_MMRAM_HOB_DESCRIPTOR_BLOCK *MmramRangesHobData; EFI_MMRAM_HOB_DESCRIPTOR_BLOCK *MmramRangesHobData;
EFI_MMRAM_DESCRIPTOR *MmramRanges; EFI_MMRAM_DESCRIPTOR *MmramRanges;
UINT32 MmramRangeCount; UINTN MmramRangeCount;
EFI_HOB_GUID_TYPE *MmramRangesHob; EFI_HOB_GUID_TYPE *MmramRangesHob;
HobStart = GetHobList (); HobStart = GetHobList ();
@ -868,7 +868,7 @@ MemoryAllocationLibConstructor (
return EFI_UNSUPPORTED; return EFI_UNSUPPORTED;
} }
MmramRangeCount = MmramRangesHobData->NumberOfMmReservedRegions; MmramRangeCount = (UINTN) MmramRangesHobData->NumberOfMmReservedRegions;
if (MmramRanges == NULL) { if (MmramRanges == NULL) {
return EFI_UNSUPPORTED; return EFI_UNSUPPORTED;
} }
@ -877,7 +877,7 @@ MemoryAllocationLibConstructor (
DataInHob = GET_GUID_HOB_DATA (GuidHob); DataInHob = GET_GUID_HOB_DATA (GuidHob);
MmCorePrivate = (MM_CORE_PRIVATE_DATA *)(UINTN)DataInHob->Address; MmCorePrivate = (MM_CORE_PRIVATE_DATA *)(UINTN)DataInHob->Address;
MmramRanges = (EFI_MMRAM_DESCRIPTOR *)(UINTN)MmCorePrivate->MmramRanges; MmramRanges = (EFI_MMRAM_DESCRIPTOR *)(UINTN)MmCorePrivate->MmramRanges;
MmramRangeCount = MmCorePrivate->MmramRangeCount; MmramRangeCount = (UINTN) MmCorePrivate->MmramRangeCount;
} }
{ {