Jonathan M. McCune wrote:
> Hi Shane, cc list,
> 
> I'm experimenting with SENTER on an HP 8530p with the newest BIOS.
> tboot works without issue.  However, when I run my own code, the
> laptop reboots upon invoking SENTER, and LT.ERRORCODE is populated
> with 0xc0000001, or "SINIT Exit Point".  I'm at a loss for what I am
> doing wrong based solely on that error message.
> 
> Attached is the log for the successful tboot run.  I'm trying to
> figure out what might be unusual about this platform that causes it
> to fail, as my code does work on another system that I have here.
please check:
do you set the return entry in your code?
another system? you mean hardware or software? do you use the correct sinit?
can you run tboot on the system your system you mentioned?
can you compare with tboot code what your code hasn't done?

> 
> This line is interesting:
> 
> TBOOT: SINIT does not support launch with MLE pagetable in ECX
It is printed by me. SINIT will support this but now it is not ready.

> 
> And there's a chance I'm doing something wrong with the MTRRs, but the
> error message does not seem to relate to either of these.  Any ideas?
> 
> Thanks,
> -Jon


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