Funny PABT behaviour - why?

I came across a weird behaviour when trying out my program on Raspberry Pi 2b (Cortex-A7): When I try my PABT-handler using BKPT, the handler is entered fine, but on return the program restarts. The restarted...
How can I tell which breakpoint/watchpoint triggered (Cortex-A7)

In a Cortex-A7 is there a register that shows which breakpoint or watchpoint has triggered a debug event? Or what's the usual way to find out? I understand that DFSR FS tells if the DABT took place due...
Issue in writing a data in PMU register

Hi, Following are the query regarding the ARM Cortex A7 MP Core. In ARM Cortex A7 MP Core,facing a issue in memory mapping the registers and accessing the registers by read and write operations. By means...
What's wrong when watchpoint doesn't watch?

I've been trying to get a watchpoint to trigger, but no luck. There should be 4 watchpoints accordíng to DBGDIDR, DBGDSCR=0x0204000e, so there shouldn't be any problems there? I use (just in case) the...
Cortex-A7 instruction lists

Just in case someone needs them, I made ARM and Thumb mode lists of Cortex-A7 instructions (because I didn't find them in the net). They are generated from ARMv7-A/R ARM with a simple AWK-script and then...