• Cortexa53 AARCH64 context switch
    I have been trying to do a preemptive context switch on interrupt on the Cortexa53 but it isn't working can anyone spot an error in the code. The code has no FPU use so it is supposed to be just a lazy...
  • ARM Context ID Register & Process Context Switch
    Hi, all What is the content of Context ID Register of ARM Cortex A9. Is it OS that is responsible for assigning the value of Process ID and ASID? As far as I know, it is so in Linux. Is that the same...
  • Control not returning after Context Switch
    Hi, I am using I.mx6q Sabre-sd board. I am trying to write my own custom OS. During the context switching process, the context switch happens accurately but the control doesn't return to the exact position...
  • what is the clock cycles overhead for context switch in trust zone?
    what is the overhead in clock cycles for context switching inside the non-secured (non-secured thread and non-secured thread) what is the overhead in clock cycles for context switching from the non...
  • What happens if a same priority exception came while context-switch is executing?
    Hello, I meet a problem while using Spin Model Checker to verify a RTOS kernel based on Cortex-m3 platform. My PendSV is in the lowest priority 16 and perform to schedule next user task and context...