On Wed, 30 Aug 2023 at 13:39, Leif Lindholm <quic_llind...@quicinc.com> wrote:
>
> The top two bits of the Extended BIOS ROM Size field indicates the unit
> used for the remaining 14 bits. If the size is greater than 16GB, the
> unit is gigabytes.
> The test for this uses the local BiosPhysicalSize variable, which is a
> UINTN, meaning that when building for a 32/bit architecture (ARM) with
> CLANGDWARF we have a tautological constant comparison, which the toolchain
> flags now we've stopped disabling that warning.
> So switch the BiosPhysicalSize variable to UINT64.
>
> Signed-off-by: Leif Lindholm <quic_llind...@quicinc.com>
> Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org>
> Cc: Rebecca Cran <rebe...@bsdio.com>
Reviewed-by: Ard BIesheuvel <a...@kernel.org>
> ---
>
> Ultimately, the size is still restricted to 32-bit since it is set
> directly from a PcdGet32 (PcdFvSize). This should ideally be broken
> out into an OemMiscLib function since PcdFvSize is fundamentally an
> ArmPkg concept.
>
> ArmPkg/Universal/Smbios/SmbiosMiscDxe/Type00/MiscBiosVendorFunction.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git
> a/ArmPkg/Universal/Smbios/SmbiosMiscDxe/Type00/MiscBiosVendorFunction.c
> b/ArmPkg/Universal/Smbios/SmbiosMiscDxe/Type00/MiscBiosVendorFunction.c
> index 38f3864b160e..03f9f07cfa29 100644
> --- a/ArmPkg/Universal/Smbios/SmbiosMiscDxe/Type00/MiscBiosVendorFunction.c
> +++ b/ArmPkg/Universal/Smbios/SmbiosMiscDxe/Type00/MiscBiosVendorFunction.c
> @@ -185,7 +185,7 @@ SMBIOS_MISC_TABLE_FUNCTION (MiscBiosVendor) {
> UINTN VendorStrLen;
> UINTN VerStrLen;
> UINTN DateStrLen;
> - UINTN BiosPhysicalSize;
> + UINT64 BiosPhysicalSize;
> CHAR16 *Vendor;
> CHAR16 *Version;
> CHAR16 *ReleaseDate;
> --
> 2.30.2
>
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