Thanks,
Ray
> 在 2016年3月15日，下午5:33，Paolo Bonzini <pbonz...@redhat.com> 写道：
>
>
>
>> On 15/03/2016 10:10, Ni, Ruiyu wrote:
>> Paolo, Laszlo,
>> As I mentioned in previous mail, the EAX I got from CpuSaveState
>> is different from what I set before entering SMM.
>> Because the failure was seen in a QEMU launched in Windows
>> using the following command:
>> qemu-system-x86_64.exe \
>> -machine q35,smm=on,accel=tcg \
>> -smp 1 \
>> -drive if=pflash,format=raw,unit=0,file=OVMF_CODE.fd,readonly=on \
>> -drive if=pflash,format=raw,unit=1,file=OVMF_VARS.fd \
>> --serial COM5
>>
>>
>> I guess you should use Linux to run QEMU. So I switched to Ubuntu 14.04.
>
> There should be no difference between Linux and Windows (only between
> TCG and KVM).
>
>> 1. Upgraded the kernel to 4.4.1.
>> 2. Download the QEMU 2.5 source and make
>> 3. run the following command:
>> qemu-system-x86_64 \
>> -display none \
>> -machine q35,smm=on,accel=kvm \
>> -global driver=cfi.pflash01,property=secure,value=on \
>> -drive
>> if=pflash,format=raw,unit=0,file=Build/Ovmf3264/DEBUG_GCC49/FV/OVMF_CODE.fd,readonly=on
>> \
>> -drive
>> if=pflash,format=raw,unit=1,file=Build/Ovmf3264/DEBUG_GCC49/FV/OVMF_VARS.fd \
>> --serial file:ovmf.log
>
> I'm not sure. The above command line works for me after building OVMF
> like this:
>
> build -p OvmfPkg/OvmfPkgIa32X64.dsc -a IA32 -a X64 -b DEBUG -t GCC49 -n 4
>
> I'm using commit 89a8115 ("BaseTools: Support recent versions of cx_freeze.",
> 2016-03-15) of OVMF.
I supplied additional flag when build:
-D CSM_ENABLE=TRUE
-D SMM_REQUIRE=TRUE
I guess the second flag matters.
>
> Paolo
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