Why does the kernel run in secure mode ?

Raz <[email protected]> Wed, 20 Jun 2018 10:59:18 +0300

Newsgroups	gmane.linux.ports.arm.general
Message-ID	<CAPB=Z-pywR0KJ3NggB9a31Q=_VKwh3_h+PJwYTbBQPQRpXOmEQ@mail.gmail.com>

Hello

I wanted to examine the use of trust zone in an Atmel board. One of
things I did was to test the mode in which the kernel runs. I did that
by reading the SCR register and specifically the NS bit. I expected
this bit to be 1, but it is 0.

Why does the kernel runs in SVC secure mode ?