Hi Liming,
We are updating the ACPI tables with newer revision released recently and
SPCR table has its revision 4 upgradation. So, we updated the SPCR table to
revision 4, tested in our AMI BIOS environment and validated Windows Server EMS
functionality.
Thanks,
Praveen Sankar
-----Original Message-----
From: gaoliming <gaolim...@byosoft.com.cn>
Sent: Monday, April 29, 2024 6:27 AM
To: devel@edk2.groups.io; Praveen Sankar N <praveensank...@ami.com>
Cc: michael.d.kin...@intel.com; zhiguang....@intel.com; Felix Polyudov
<fel...@ami.com>; Srinivasan Mani <srinivas...@ami.com>; Sundaresan S
<sundares...@ami.com>
Subject: [EXTERNAL] 回复: [edk2-devel] 回复: [PATCH v2 1/1] Subject: [PATCH]
MdePkg:Added new SPCR table stucture members as in Rev4.
**CAUTION: The e-mail below is from an external source. Please exercise caution
before opening attachments, clicking links, or following guidance.**
Praveen:
I want to know what will happen if the platform doesn't make changes with the
updated table.
According to its impact, we can make direction how and when to merge this
patch.
Thanks
Liming
> -----邮件原件-----
> 发件人: devel@edk2.groups.io <devel@edk2.groups.io> 代表 Praveen Sankar N
> via groups.io
> 发送时间: 2024年4月26日 12:58
> 收件人: gaoliming <gaolim...@byosoft.com.cn>; devel@edk2.groups.io
> 抄送: michael.d.kin...@intel.com; zhiguang....@intel.com; Felix Polyudov
> <fel...@ami.com>; Srinivasan Mani <srinivas...@ami.com>; Sundaresan S
> <sundares...@ami.com>
> 主题: Re: [edk2-devel] 回复: [PATCH v2 1/1] Subject: [PATCH] MdePkg:Added
> new SPCR table stucture members as in Rev4.
>
> Hi Liming,
> I am about to resubmit the patch with the changes in the files
> SpcrGenerator.c and Spcr.aslc which are consuming the SPCR structure
> from SerialPortConsoleRedirectionTable.h file and these files
> seemingly initializes the SPCR structure members. So please let me
> know about your opinion on this and I think you mean the incompatible
> change as these files are affected with the initial patch.
>
> Thanks,
> Praveen Sankar N
>
> -----Original Message-----
> From: gaoliming <gaolim...@byosoft.com.cn>
> Sent: Tuesday, April 23, 2024 6:47 PM
> To: Praveen Sankar N <praveensank...@ami.com>; devel@edk2.groups.io
> Cc: michael.d.kin...@intel.com; zhiguang....@intel.com; Felix Polyudov
> <fel...@ami.com>; Srinivasan Mani <srinivas...@ami.com>; Sundaresan S
> <sundares...@ami.com>
> Subject: [EXTERNAL] 回复: [PATCH v2 1/1] Subject: [PATCH] MdePkg:Added
> new SPCR table stucture members as in Rev4.
>
>
> **CAUTION: The e-mail below is from an external source. Please
> exercise caution before opening attachments, clicking links, or
> following guidance.**
>
> Seemly, this is an incompatible change. What's impact with this change?
>
> Thanks
> Liming
> > -----邮件原件-----
> > 发件人: Praveen Sankar N <praveensank...@ami.com>
> > 发送时间: 2024年4月22日 19:26
> > 收件人: devel@edk2.groups.io
> > 抄送: michael.d.kin...@intel.com; gaolim...@byosoft.com.cn;
> > zhiguang....@intel.com; Felix Polyudov <fel...@ami.com>; Srinivasan
> > Mani <srinivas...@ami.com>; Sundaresan S <sundares...@ami.com>
> > 主题: [PATCH v2 1/1] Subject: [PATCH] MdePkg:Added new SPCR table
> > stucture members as in Rev4.
> >
> > In SPCR table, 4 structure members have been added newly as per SPCR
> > table Rev4, which has to be added in
> > MdePkg/SerialPortConsoleRedirectionTable.h file.
> >
> > Signed-off-by: Praveen Sankar N praveensank...@ami.com
> > Cc: michael.d.kin...@intel.com
> > Cc: gaolim...@byosoft.com.cn
> > Cc: zhiguang....@intel.com
> > Cc: fel...@ami.com
> > Cc: srinivas...@ami.com
> > Cc: sundares...@ami.com
> > ---
> > .../IndustryStandard/SerialPortConsoleRedirectionTable.h | 6 +++++-
> > 1 file changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git
> > a/MdePkg/Include/IndustryStandard/SerialPortConsoleRedirectionTable.
> > h
> > b/MdePkg/Include/IndustryStandard/SerialPortConsoleRedirectionTable.
> > h
> > index eb5ae28390..f0001ab137 100644
> > ---
> > a/MdePkg/Include/IndustryStandard/SerialPortConsoleRedirectionTable.
> > h
> > +++
> > b/MdePkg/Include/IndustryStandard/SerialPortConsoleRedirectionTable.
> > h
> > @@ -47,7 +47,11 @@ typedef struct {
> > UINT8
> PciFunctionNumber;
> >
> > UINT32 PciFlags;
> >
> > UINT8 PciSegment;
> >
> > - UINT32 Reserved3;
> >
> > + UINT32
> UartClockFrequency;
> >
> > + UINT32 PreciseBaudRate;
> >
> > + UINT16
> > NameSpaceStrLength;
> >
> > + UINT16
> > NameSpaceStrOffset;
> >
> > + CHAR8
> > NameSpaceString[0];
> >
> > } EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE;
> >
> >
> >
> > #pragma pack()
> >
> > --
> > 2.38.1.windows.1
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