updating CPSR in USER UNPRIVILEGED mode

as we know supervisor mode is priviliged and user is not. at reset time in debugging mode, i read the cpsr it is 0x1d3 means in supervisor mode, so i can change CPSR so i changed it to 0x1d0 which is...
Best way run driver code in privilege mode?

I want to write some drivers that run in privilege mode. For example if I have a UART write function I want to make it easy to wrap the write function such that it runs in privilege mode. My thought was...
5G: transforming user experiences on devices

Arm has a wide interest in 5G , as it will be a transformative technology for a range of applications and markets. Focusing specifically on markets where Arm has a foothold, 5G will enable a whole new...
Reading ETB from software

Is it possible to use HW tracing from software? Means enable trace and read the contents of the ETB from the code running on the same core. Cheers