Expand description
Miscellaneous assembly instructions
Functions
Puts the processor in Debug state. Debuggers can pick this up as a “breakpoint”.
Bootload.
Bootstrap.
Blocks the program for at least
cycles CPU cycles.Data Memory Barrier
Data Synchronization Barrier
Instruction Synchronization Barrier
A no-operation. Useful to prevent delay loops from being optimized away.
Semihosting syscall.
Send Event
Generate an Undefined Instruction exception.
Wait For Event
Wait For Interrupt