On 10/11/19 09:44, Gao, Junhao wrote:
> Hi David 
> 
>       I have found this compiled OVMF-with-csm.fd can support winxp booting 
> up.
>       OVMF-with-csm.fd path: 
> https://www.kraxel.org/repos/jenkins/seabios/seabios.git-csm-1.12.0-33.63.g43f5df7.x86_64.rpm
>       Then could you help to provide me the compile method and base code to 
> reproduce this OVMF-with-csm.fd?

Ah, good point, I should have remembered that Gerd offers a CSM build in
his repo!

So, you can easily look up the build instructions, in Gerd's SeaBIOS and
OVMF RPM "spec" files. Check out these git repositories:

  https://git.kraxel.org/cgit/jenkins/seabios/
  https://git.kraxel.org/cgit/jenkins/edk2/

Specifically:

  https://git.kraxel.org/cgit/jenkins/seabios/tree/seabios.git.spec
  https://git.kraxel.org/cgit/jenkins/edk2/tree/edk2.git.spec.template

HTH,
Laszlo


> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Junhao Gao
> Sent: Friday, October 11, 2019 9:33 AM
> To: devel@edk2.groups.io; ler...@redhat.com
> Cc: David Woodhouse <dw...@infradead.org>
> Subject: Re: [edk2-devel] question about qemu+kvm+ovmf+winxp
> 
> Hi Laszlo
>       Thank you very much for your great support.
> 
> Hi David
>       Refer to 
> http://www.linux-kvm.org/downloads/lersek/ovmf-whitepaper-c770f8c.txt.
> 
>       Interested users and developers should look for OVMF's "-D CSM_ENABLE"
>       build-time option, and check out the <https://www.kraxel.org/repos/> 
> continuous
>       integration repository, which provides CSM-enabled OVMF builds.
>       
>       Could you help me to choose which branch supporting CSM, and more 
> details, thanks very much.
> 
> Thanks,
> Junhao
> 
> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Laszlo Ersek
> Sent: Friday, October 11, 2019 2:11 AM
> To: Gao, Junhao <junhao....@intel.com>
> Cc: devel@edk2.groups.io; David Woodhouse <dw...@infradead.org>
> Subject: Re: [edk2-devel] question about qemu+kvm+ovmf+winxp
> 
> On 10/10/19 16:37, Junhao Gao wrote:
>> Hi edk2 members
>>
>>                I have a question for your help.
>>                I want to enable qemu+kvm+ovmf to boot up windows xp,
>>                then ovmf support winxp starting-up?
> 
> To my understanding, the first Windows "family" with any kind of UEFI support 
> is Windows 7.
> 
> OvmfPkg/README has some comments on Windows support:
> 
>> * UEFI Windows 8 boots
>> * UEFI Windows 7 & Windows 2008 Server boot (see important notes 
>> below!)
> 
> and
> 
>> === UEFI Windows 7 & Windows 2008 Server ===
>>
>> * One of the '-vga std' and '-vga qxl' QEMU options should be used.
>> * Only one video mode, 1024x768x32, is supported at OS runtime.
>> * The '-vga qxl' QEMU option is recommended. After booting the installed
>>   guest OS, select the video card in Device Manager, and upgrade its driver
>>   to the QXL XDDM one. Download location:
>>   <http://www.spice-space.org/download.html>, Guest | Windows binaries.
>>   This enables further resolutions at OS runtime, and provides S3
>>   (suspend/resume) capability.
> 
> If you'd like to virtualize Windows XP on QEMU/KVM, please use SeaBIOS for 
> guest firmware.
> 
> You can also try to build OVMF with -D CSM_ENABLE, but for that, you'll have 
> to build SeaBIOS in CSM mode first, and embed that binary into OVMF at build 
> time. Please ask David for details (CC'd).
> 
> Thanks
> Laszlo
> 
>>                qemu command:
>>                qemu-system-x86_64 -hda winxp.img -boot c -enable-kvm -cpu 
>> host -bios ./OVMF.fd -m 512 -vga cirrus -net nic,model=rtl8139 -net user 
>> -usbdevice tablet -localtime
>>                Then if ovmf support, could you provide me the way to compile 
>> the OVMF.fd?
>>
>> Thanks,
>> Junhao
>>
>>
>>
>>
>>
> 
> 
> 
> 
> 
> 
> 


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