Re: [PATCH v1 00/15] Add support for Nitro Enclaves

Paolo Bonzini
2020-04-23T17:51:22Z

On 23/04/20 19:42, Paraschiv, Andra-Irina wrote:
>>
>>>> - the initial CPU state: CPL0 vs. CPL3, initial program counter, etc.
>
> The enclave VM has its own kernel and follows the well-known Linux boot
> protocol, in the end getting to the user application after init finishes
> its work, so that's CPL3.

CPL3 is how the user application run, but does the enclave's Linux boot
process start in real mode at the reset vector (0xfffffff0), in 16-bit
protected mode at the Linux bzImage entry point, or at the ELF entry point?

Paolo