On Wed, 3 Feb 2021 at 04:51, <mikub...@linux.microsoft.com> wrote:
>
> From: Michael Kubacki <michael.kuba...@microsoft.com>
>
> REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3204
>
> Fixes the following compiler warning in VS2019 by changing defining
> the MmramRangeCount variable to be UINTN and type casting prior
> to value assignment.
>
> \edk2\StandaloneMmPkg\Core\StandaloneMmCore.c(570): error C2220:
>   the following warning is treated as an error
> \edk2\StandaloneMmPkg\Core\StandaloneMmCore.c(570): warning C4244:
>   '=': conversion from 'UINT64' to 'UINT32', possible loss of data
>
> Cc: Ard Biesheuvel <ard.biesheu...@arm.com>
> Cc: Sami Mujawar <sami.muja...@arm.com>
> Cc: Jiewen Yao <jiewen....@intel.com>
> Cc: Supreeth Venkatesh <supreeth.venkat...@arm.com>
> Signed-off-by: Michael Kubacki <michael.kuba...@microsoft.com>
> ---
>  StandaloneMmPkg/Core/StandaloneMmCore.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/StandaloneMmPkg/Core/StandaloneMmCore.c 
> b/StandaloneMmPkg/Core/StandaloneMmCore.c
> index 8388ec289ca8..d254a68f2fb8 100644
> --- a/StandaloneMmPkg/Core/StandaloneMmCore.c
> +++ b/StandaloneMmPkg/Core/StandaloneMmCore.c
> @@ -511,7 +511,7 @@ StandaloneMmMain (
>    EFI_HOB_GUID_TYPE               *MmramRangesHob;
>    EFI_MMRAM_HOB_DESCRIPTOR_BLOCK  *MmramRangesHobData;
>    EFI_MMRAM_DESCRIPTOR            *MmramRanges;
> -  UINT32                          MmramRangeCount;
> +  UINTN                           MmramRangeCount;
>    EFI_HOB_FIRMWARE_VOLUME         *BfvHob;
>
>    ProcessLibraryConstructorList (HobStart, &gMmCoreMmst);
> @@ -546,7 +546,7 @@ StandaloneMmMain (
>      MmramRangesHobData = GET_GUID_HOB_DATA (MmramRangesHob);
>      ASSERT (MmramRangesHobData != NULL);
>      MmramRanges = MmramRangesHobData->Descriptor;
> -    MmramRangeCount = MmramRangesHobData->NumberOfMmReservedRegions;
> +    MmramRangeCount = (UINTN) MmramRangesHobData->NumberOfMmReservedRegions;
>      ASSERT (MmramRanges);
>      ASSERT (MmramRangeCount);
>
> @@ -554,7 +554,7 @@ StandaloneMmMain (
>      // Copy the MMRAM ranges into MM_CORE_PRIVATE_DATA table just in case any
>      // code relies on them being present there
>      //
> -    gMmCorePrivate->MmramRangeCount = MmramRangeCount;
> +    gMmCorePrivate->MmramRangeCount = (UINT64) MmramRangeCount;
>      gMmCorePrivate->MmramRanges =
>        (EFI_PHYSICAL_ADDRESS)(UINTN)AllocatePool (MmramRangeCount * sizeof 
> (EFI_MMRAM_DESCRIPTOR));
>      ASSERT (gMmCorePrivate->MmramRanges != 0);
> @@ -567,7 +567,7 @@ StandaloneMmMain (
>      DataInHob       = GET_GUID_HOB_DATA (GuidHob);
>      gMmCorePrivate = (MM_CORE_PRIVATE_DATA *)(UINTN)DataInHob->Address;
>      MmramRanges     = (EFI_MMRAM_DESCRIPTOR 
> *)(UINTN)gMmCorePrivate->MmramRanges;
> -    MmramRangeCount = gMmCorePrivate->MmramRangeCount;
> +    MmramRangeCount = (UINTN) gMmCorePrivate->MmramRangeCount;
>    }
>
>    //
> --
> 2.28.0.windows.1
>
>
>
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>

This patch seems to have gotten mangled, so I can't apply it. Could
you please resend it with git send-email after you fixed up the
whitespace?

Thanks
Ard.


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