Following the seminar today I tried to build and run this example.
built on command line using west (non-secure nrf9160-DK target)
in a continuous loop I get
```
SPM: prepare to jump to Non-Secure image.
*** Booting Zephyr OS build v2.4.0-ncs1 ***
Flash regions Domain Permissions
00 00 0x00000 0x08000 Secure rwxl
01 31 0x08000 0x100000 Non-Secure rwxl
Non-secure callable region 0 placed in flash region 0 with size 32.
SRAM region Domain Permissions
00 07 0x00000 0x10000 Secure rwxl
08 31 0x10000 0x40000 Non-Secure rwxl
Peripheral Domain Status
00 NRF_P0 Non-Secure OK
01 NRF_CLOCK Non-Secure OK
02 NRF_RTC0 Non-Secure OK
03 NRF_RTC1 Non-Secure OK
04 NRF_NVMC Non-Secure OK
05 NRF_UARTE1 Non-Secure OK
06 NRF_UARTE2 Secure SKIP
07 NRF_TWIM2 Non-Secure OK
08 NRF_SPIM3 Non-Secure OK
09 NRF_TIMER0 Non-Secure OK
10 NRF_TIMER1 Non-Secure OK
11 NRF_TIMER2 Non-Secure OK
12 NRF_SAADC Non-Secure OK
13 NRF_PWM0 Non-Secure OK
14 NRF_PWM1 Non-Secure OK
15 NRF_PWM2 Non-Secure OK
16 NRF_PWM3 Non-Secure OK
17 NRF_WDT Non-Secure OK
18 NRF_IPC Non-Secure OK
19 NRF_VMC Non-Secure OK
20 NRF_FPU Non-Secure OK
21 NRF_EGU1 Non-Secure OK
22 NRF_EGU2 Non-Secure OK
23 NRF_DPPIC Non-Secure OK
24 NRF_GPIOTE1 Non-Secure OK
25 NRF_REGULATORS Non-Secure OK
SPM: NS image at 0xc000
SPM: NS MSP at 0x20028620
SPM: NS reset vector at 0xe7c5
```
Am I building this wrongly.
Also, I don't see any doc on how to test this.
