C++ (Cpp) sparc_disable_interrupts Examples

Example #1

File: spurious.c Project: FullMentalPanic/RTEMS_NEW_TOOL_CHAIN

void bsp_spurious_initialize()
{
  uint32_t trap;
  uint32_t level;
  uint32_t mask;

  level = sparc_disable_interrupts();
  mask = LEON_REG.Interrupt_Mask;

  for ( trap=0 ; trap<256 ; trap++ ) {

    /*
     *  Skip window overflow, underflow, and flush as well as software
     *  trap 0 which we will use as a shutdown. Also avoid trap 0x70 - 0x7f
     *  which cannot happen and where some of the space is used to pass
     *  paramaters to the program.
     */

    if (( trap == 5 || trap == 6 ) ||
    	(( trap >= 0x11 ) && ( trap <= 0x1f )) ||
    	(( trap >= 0x70 ) && ( trap <= 0x83 )))
      continue;

    set_vector(
        (rtems_isr_entry) bsp_spurious_handler,
        SPARC_SYNCHRONOUS_TRAP( trap ),
        1
    );
  }

  LEON_REG.Interrupt_Mask = mask;
  sparc_enable_interrupts(level);

}

Example #2

File: bsp_fatal_halt.c Project: AlexShiLucky/rtems

/* Power down LEON CPU on fatal error exit */
void _CPU_Fatal_halt(uint32_t source, uint32_t error)
{
  sparc_disable_interrupts();
  leon3_power_down_loop();
}

Example #3

File: watchdog.c Project: AoLaD/rtems

/* Use watchdog timer to reset system */
void bsp_watchdog_system_reset(void)
{
  sparc_disable_interrupts();
  bsp_watchdog_reload(0, 1);
}