[edk2-devel] [PATCH v1 1/1] StandaloneMmPkg/StandaloneMmCore: Fix compiler warning
Michael Kubacki
mikuback at linux.microsoft.com
Thu Feb 11 01:05:17 UTC 2021
Hi Ard,
V2 is now on the list.
Thanks,
Michael
On 2/10/2021 2:30 PM, Ard Biesheuvel wrote:
> On Wed, 3 Feb 2021 at 04:51, <mikuback at linux.microsoft.com> wrote:
>>
>> From: Michael Kubacki <michael.kubacki at 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.biesheuvel at arm.com>
>> Cc: Sami Mujawar <sami.mujawar at arm.com>
>> Cc: Jiewen Yao <jiewen.yao at intel.com>
>> Cc: Supreeth Venkatesh <supreeth.venkatesh at arm.com>
>> Signed-off-by: Michael Kubacki <michael.kubacki at 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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