On Mon, 2022-01-10 at 14:46 +0000, Yao, Jiewen wrote:
> Please copy the description as comment to the code.

Do you mean you want me to use my commit message as a comment in the
code to explain why we have this special use case for Cloud Hypervisor?

I'll be happy to do it, just making sure that's what you suggested :)

Thanks,
Sebastien
> 
> Thank you
> Yao Jiewen
> 
> > -----Original Message-----
> > From: Boeuf, Sebastien <sebastien.bo...@intel.com>
> > Sent: Monday, January 10, 2022 10:26 PM
> > To: devel@edk2.groups.io
> > Cc: Yao, Jiewen <jiewen....@intel.com>; Justen, Jordan L
> > <jordan.l.jus...@intel.com>; kra...@redhat.com; Boeuf, Sebastien
> > <sebastien.bo...@intel.com>
> > Subject: [PATCH 3/9] OvmfPkg/CloudHv: Connect serial console
> > 
> > From: Sebastien Boeuf <sebastien.bo...@intel.com>
> > 
> > Cloud Hypervisor doesn't emulate any LPC bridge, therefore we
> > simply
> > need to rely on the serial I/O port to be connected as a console.
> > It reuses the code from Xen since it's very generic.
> > 
> > Signed-off-by: Sebastien Boeuf <sebastien.bo...@intel.com>
> > ---
> >  OvmfPkg/CloudHv/CloudHvX64.dsc                       | 6 ++----
> >  OvmfPkg/CloudHv/CloudHvX64.fdf                       | 6 +-----
> >  OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c | 2 +-
> >  3 files changed, 4 insertions(+), 10 deletions(-)
> > 
> > diff --git a/OvmfPkg/CloudHv/CloudHvX64.dsc
> > b/OvmfPkg/CloudHv/CloudHvX64.dsc
> > index 1d84b7d0b9..4207ecaa3e 100644
> > --- a/OvmfPkg/CloudHv/CloudHvX64.dsc
> > +++ b/OvmfPkg/CloudHv/CloudHvX64.dsc
> > @@ -827,11 +827,9 @@
> >    OvmfPkg/VirtioGpuDxe/VirtioGpu.inf
> > 
> > 
> > 
> >    #
> > 
> > -  # ISA Support
> > 
> > +  # Serial Support
> > 
> >    #
> > 
> > -  OvmfPkg/SioBusDxe/SioBusDxe.inf
> > 
> > -  MdeModulePkg/Bus/Pci/PciSioSerialDxe/PciSioSerialDxe.inf
> > 
> > -  MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxe.inf
> > 
> > +  MdeModulePkg/Universal/SerialDxe/SerialDxe.inf
> > 
> > 
> > 
> >    #
> > 
> >    # SMBIOS Support
> > 
> > diff --git a/OvmfPkg/CloudHv/CloudHvX64.fdf
> > b/OvmfPkg/CloudHv/CloudHvX64.fdf
> > index f35458551b..5ce3233bf7 100644
> > --- a/OvmfPkg/CloudHv/CloudHvX64.fdf
> > +++ b/OvmfPkg/CloudHv/CloudHvX64.fdf
> > @@ -290,11 +290,7 @@ INF
> > MdeModulePkg/Universal/SetupBrowserDxe/SetupBrowserDxe.inf
> >  INF  MdeModulePkg/Universal/DisplayEngineDxe/DisplayEngineDxe.inf
> > 
> >  INF
> > MdeModulePkg/Universal/MemoryTest/NullMemoryTestDxe/NullMemoryTestD
> > xe.inf
> > 
> > 
> > 
> > -INF  OvmfPkg/SioBusDxe/SioBusDxe.inf
> > 
> > -!if $(SOURCE_DEBUG_ENABLE) == FALSE
> > 
> > -INF  MdeModulePkg/Bus/Pci/PciSioSerialDxe/PciSioSerialDxe.inf
> > 
> > -!endif
> > 
> > -INF  MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxe.inf
> > 
> > +INF  MdeModulePkg/Universal/SerialDxe/SerialDxe.inf
> > 
> > 
> > 
> >  INF  MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.inf
> > 
> >  INF  OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
> > 
> > diff --git a/OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c
> > b/OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c
> > index 0918c35f1f..e59bf3b1f5 100644
> > --- a/OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c
> > +++ b/OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c
> > @@ -421,7 +421,7 @@ PlatformBootManagerBeforeConsole (
> >    // We need to connect all trusted consoles for TCG PP. Here we
> > treat all
> > 
> >    // consoles in OVMF to be trusted consoles.
> > 
> >    PlatformInitializeConsole (
> > 
> > -    XenDetected () ? gXenPlatformConsole : gPlatformConsole
> > 
> > +    (XenDetected () || PcdGet16 (PcdOvmfHostBridgePciDevId) ==
> > CLOUDHV_DEVICE_ID) ? gXenPlatformConsole : gPlatformConsole
> > 
> >      );
> > 
> > 
> > 
> >    //
> > 
> > --
> > 2.30.2
> 

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