[edk2-devel] [PATCH V6 1/1] OvmfPkg: Enable TDX in ResetVector

[James Bottomley]

On Sat, 2021-09-18 at 06:30 -0500, Brijesh Singh wrote:
> On 9/18/21 12:16 AM, Xu, Min M wrote:
[...]
> > I usually do the development in windows and build the OVMF image
> > with VS2019.
> > If the new feature works, then I cherry-pick the patch-sets to code
> > base in ubuntu 18.04 and build/test the new feature.
> > 
> > The weird thing is that, with VS2019, even the OVMF image is built
> > from edk2-master, such image doesn't work on AMD SEV server either.
> > But if the image is built by Ubuntu 18.04, it does work on AMD SEV
> > server.
> 
> This seems very strange that we are failing to execute the hand
> written assembly code. I am wondering if somehow the VS compiler is
> generating a wrong byte code and thus causing a trap on KVM that
> requires emulation.

This theory should be verifiable by doing objdump on the windows binary
... can someone do that?

James




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