Hi,

I am trying to understand the startup code and assembly language (more for learning and not for a specific project) for ARM Cortex M4.

I made a project in KEIL with just one assembly file and added a stack declaration and a vector table there. It was…

Hello,

I wanna know if global interrupts are enabled or not.

In ARM compiler,__disable_irq() function returns 0 if interrupts were disabled or not, but on GCC based compiler, this function is declared as void.

Which register should I take a look for bit…