I was asking about the property of the global variables
being used in this patch.  Are they already guaranteed to
be in BSD format and in range 0..9.  If so, then no additional
code changes would be required.  However, it would be good 
to add comments about the properties of those global variables
and why they can be used to directly assign to fields that
are required to be in BSD format.

Mike

> -----Original Message-----
> From: Lien, HoraceX <horacex.l...@intel.com>
> Sent: Thursday, September 7, 2023 2:41 AM
> To: devel@edk2.groups.io; Kinney, Michael D <michael.d.kin...@intel.com>;
> Gao, Liming <gaolim...@byosoft.com.cn>
> Cc: Liu, Zhiguang <zhiguang....@intel.com>; Bi, Dandan
> <dandan...@intel.com>; Zeng, Star <star.z...@intel.com>; Gao, Zhichao
> <zhichao....@intel.com>; Lien, HoraceX <horacex.l...@intel.com>
> Subject: RE: [edk2-devel] [PATCH] MdeModulePkg/SmbiosDxe: Fix BcdRevision
> is not match with SMBIOS version
> 
> Hi Mike,
> 
> Could you please reply for me?
> If you want to filter range 0-9, then I will send PR again.
> 
> Thanks,
> Horace Lien
> 
> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Lien,
> HoraceX
> Sent: Friday, September 1, 2023 3:06 PM
> To: Kinney, Michael D <michael.d.kin...@intel.com>; devel@edk2.groups.io
> Cc: Liu, Zhiguang <zhiguang....@intel.com>; Bi, Dandan
> <dandan...@intel.com>; Zeng, Star <star.z...@intel.com>; Gao, Zhichao
> <zhichao....@intel.com>
> Subject: Re: [edk2-devel] [PATCH] MdeModulePkg/SmbiosDxe: Fix BcdRevision
> is not match with SMBIOS version
> 
> Hi Mike,
> 
> I have change code to
> EntryPointStructureData.SmbiosBcdRevision =
> ((mPrivateData.Smbios.MajorVersion & 0x0f) << 4) |
> (mPrivateData.Smbios.MinorVersion & 0x0f); Add &0x0F to mask upper nibble
> bit, do we still need to guarantee that range is between 0-9? Because the
> old code only filtered 4 bits, instead of accurately filtering the number
> range 0-9.
> 
> Thanks,
> Horace Lien
> 
> -----Original Message-----
> From: Kinney, Michael D <michael.d.kin...@intel.com>
> Sent: Thursday, August 31, 2023 11:56 PM
> To: devel@edk2.groups.io; Lien, HoraceX <horacex.l...@intel.com>
> Cc: Liu, Zhiguang <zhiguang....@intel.com>; Bi, Dandan
> <dandan...@intel.com>; Zeng, Star <star.z...@intel.com>; Gao, Zhichao
> <zhichao....@intel.com>; Kinney, Michael D <michael.d.kin...@intel.com>
> Subject: RE: [edk2-devel] [PATCH] MdeModulePkg/SmbiosDxe: Fix BcdRevision
> is not match with SMBIOS version
> 
> Are mPrivateData.Smbios.MajorVersion and mPrivateData.Smbios.MinorVersion
> guaranteed to be in range 0..9?
> 
> Mike
> 
> > -----Original Message-----
> > From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of
> > horacex.l...@intel.com
> > Sent: Wednesday, August 30, 2023 2:13 AM
> > To: devel@edk2.groups.io
> > Cc: Lien, HoraceX <horacex.l...@intel.com>; Liu, Zhiguang
> > <zhiguang....@intel.com>; Bi, Dandan <dandan...@intel.com>; Zeng, Star
> > <star.z...@intel.com>; Gao, Zhichao <zhichao....@intel.com>
> > Subject: [edk2-devel] [PATCH] MdeModulePkg/SmbiosDxe: Fix BcdRevision
> > is not match with SMBIOS version
> >
> > From: HoraceX Lien <horacex.l...@intel.com>
> >
> > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4544
> >
> > These value of Major/Minor version are updated from SMBIOS memory
> > data, but BCD Revision is updated from PCD PcdSmbiosVersion.
> > We should also update PCD PcdSmbiosVersion from SMBIOS memory data, to
> > ensure that get consistent version value.
> >
> > Cc: Zhiguang Liu <zhiguang....@intel.com>
> > Cc: Dandan Bi <dandan...@intel.com>
> > Cc: Star Zeng <star.z...@intel.com>
> > Cc: Zhichao Gao <zhichao....@intel.com>
> > Signed-off-by: HoraceX Lien <horacex.l...@intel.com>
> > ---
> >  MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c
> > b/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c
> > index 1a86e69d3c..e3f6215033 100644
> > --- a/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c
> > +++ b/MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.c
> > @@ -1072,7 +1072,7 @@ SmbiosCreateTable (
> >      DEBUG ((DEBUG_INFO, "SmbiosCreateTable: Initialize 32-bit entry
> > point structure\n"));
> >
> >      EntryPointStructureData.MajorVersion      =
> > mPrivateData.Smbios.MajorVersion;
> >
> >      EntryPointStructureData.MinorVersion      =
> > mPrivateData.Smbios.MinorVersion;
> >
> > -    EntryPointStructureData.SmbiosBcdRevision = (UINT8)((PcdGet16
> > (PcdSmbiosVersion) >> 4) & 0xf0) | (UINT8)(PcdGet16 (PcdSmbiosVersion)
> > & 0x0f);
> >
> > +    EntryPointStructureData.SmbiosBcdRevision =
> > (mPrivateData.Smbios.MajorVersion << 4) |
> > mPrivateData.Smbios.MinorVersion;
> >
> >      PhysicalAddress                           = 0xffffffff;
> >
> >      Status                                    = gBS->AllocatePages (
> >
> >
> > AllocateMaxAddress,
> >
> > --
> > 2.31.1.windows.1
> >
> >
> >
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> > [michael.d.kin...@intel.com]
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> >
> 
> 
> 
> 
> 



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