1.4.13.9 NVMCTRL_SecureRegionLock Function

C

void NVMCTRL_SecureRegionLock (NVMCTRL_SECURE_MEMORY_REGION region)

Summary

Locks a NVMCTRL secure region.

Description

This function locks the secure region specified in parameter. Locking a secure region prevents write and erase operations on all pages in the secure region. A secure region is unlocked by either calling the NVMCTRL_SecureRegionUnlock() function or by device reset. The size of each secure region is device dependant. Refer to the device specific datasheet for more details.

Precondition

None.

Parameters

Returns

None.

Example

// Lock the secure application region
NVMCTRL_SecureRegionLock(NVMCTRL_SECURE_MEMORY_REGION_APPLICATION);

Remarks

This NVMCTRL_SecureRegionLock() function is only available in trustZone supported devices.