> Subject: Re: Arm zero exits and zynqmp ATF SDEI-enabling patch upstreaming
> 
> On 19.04.21 15:28, Peng Fan wrote:
> >> Subject: Arm zero exits and zynqmp ATF SDEI-enabling patch
> >> upstreaming
> >
> > Not sure whether you are aware.
> > FYI: SDEI not work with OP-TEE for now.
> >
> 
> Thanks for the info. None of the targets I played with - so far - had OP-TEE
> included. AT-F bug or a conceptual conflict?

The design of SDEI not take TEE into consideration. SDEI requires secure 
interrupts
taken into EL3, but op-tee requires non-secure FIQ taken into secure EL1.

Regards,
Peng.

> 
> Jan
> 
> > Regards,
> > Peng.
> >
> >>
> >> Hi Jan, all,
> >>
> >> I have seen that arm-zero-exits has been merged into next.
> >>
> >> My understanding is that right now the only officially supported
> >> boards, meaning supporting both jailhouse and SDEI, are NXP's ones,
> >> with only a experimental patch for the xilinx zynqmp firmware to enable
> SDEI.
> >>
> >> Regarding that patch, I have looked at it, tested it and added the
> >> missing non-secure-boundary check.
> >>
> >> Are you thinking of submitting it upstream? If so, how do you want to
> >> proceed?
> >>
> >> Angelo
> >>
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> e5r
> >>
> eAcvveWQq7JxAUTh2kES2DSbwcWA%2540mail.gmail.com&data=04%7
> >>
> C01%7Cpeng.fan%40nxp.com%7Ceaba478b1d3941914a6508d8ede4db50%7
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> 
> --
> Siemens AG, T RDA IOT
> Corporate Competence Center Embedded Linux

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