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...
Other core's view after writing ICC_SGI1R_EL1 to trigger SGI

For example, the codes are executed in core0. codes: (1) send SGI to core1 ICC_SGI1R_EL1 (2) set(a) = 1 i) Then the core1 will first see the irq or the change of variable a? ii) If I add ISB...
Which OS is a best choice for a beginner of embedded technology?

In my opinion Linux OS is a best choice for newbies to learn embedded system. As It is an open source system,which could help learners gradually master this embedded operation system through many times...
Any Method to trigger/start FreeRTOS task from normal STM32 ISR??

Hello Folks, What is the most effecient method to start a freeRTOS task only after an ISR is completed and flag or something set by ISR that triggers freeRTOS task. Lets take an example scenario ...
Hypervisor to experiment

Hi Experts, Which of the open source hypervisor like Qemu,Xen,etc is easy to start and experiment the code. Is there anything which ARM supports in specific where it is more handy on ARM processors. Also...