On 4/20/21 4:53 PM, Dan Williams wrote:
On Tue, Apr 20, 2021 at 4:12 PM Kuppuswamy, Sathyanarayanan
wrote:
[..]
Also, do you *REALLY* need to do this from assembly? Can't it be done
in the C wrapper?
Its common for all use cases of TDVMCALL (vendor specific, in/out, etc).
so added
it
On Tue, Apr 20, 2021 at 4:12 PM Kuppuswamy, Sathyanarayanan
wrote:
[..]
> >>> Also, do you *REALLY* need to do this from assembly? Can't it be done
> >>> in the C wrapper?
> >> Its common for all use cases of TDVMCALL (vendor specific, in/out, etc).
> >> so added
> >> it here.
> >
Can I ask a
On 4/20/21 4:12 PM, Kuppuswamy, Sathyanarayanan wrote:
> On 4/20/21 12:59 PM, Dave Hansen wrote:
>> On 4/20/21 12:20 PM, Kuppuswamy, Sathyanarayanan wrote:
> approach is, it adds a few extra instructions for every
> TDCALL use case when compared to distributed checks. Although
> it's a
On 4/20/21 12:59 PM, Dave Hansen wrote:
On 4/20/21 12:20 PM, Kuppuswamy, Sathyanarayanan wrote:
approach is, it adds a few extra instructions for every
TDCALL use case when compared to distributed checks. Although
it's a bit less efficient, it's worth it to make the code more
readable.
On 4/20/21 12:20 PM, Kuppuswamy, Sathyanarayanan wrote:
>>> approach is, it adds a few extra instructions for every
>>> TDCALL use case when compared to distributed checks. Although
>>> it's a bit less efficient, it's worth it to make the code more
>>> readable.
>>
>> What's a "distributed check"?
On 4/20/21 10:36 AM, Dave Hansen wrote:
On 3/26/21 4:38 PM, Kuppuswamy Sathyanarayanan wrote:
Implement common helper functions to communicate with
the TDX Module and VMM (using TDCALL instruction).
This is missing any kind of background. I'd say:
Guests communicate with VMMs with
On 3/26/21 4:38 PM, Kuppuswamy Sathyanarayanan wrote:
> Implement common helper functions to communicate with
> the TDX Module and VMM (using TDCALL instruction).
This is missing any kind of background. I'd say:
Guests communicate with VMMs with hypercalls. Historically, these are
implemented
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