• 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...
  • 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...
  • context switch
    I am programming a simple full pre-emptive RTOS. It needs context switch. For saving contexts, is it enough to save all registers and CPSR? if tasks have local variables, and the complier uses memories...
  • context switch
    I am programming a simple full pre-emptive RTOS. It needs context switch. For saving contexts, is it enough to save all registers and CPSR? if tasks have local variables, and the complier uses memories...
  • context switch stops
    I have a simple test project running under RTX. One task is using I2C bus. Whenever for testing purposes I'm unplugging one of the I2C wires RTX doesn't want to switch context even running through os_tsk_pass...