コード例 #1
0
ファイル: vmm_scheduler.c プロジェクト: HeidCloud/xvisor
void vmm_scheduler_irq_exit(arch_regs_t *regs)
{
	struct vmm_scheduler_ctrl *schedp = &this_cpu(sched);
	struct vmm_vcpu *vcpu = NULL;

	/* Determine current vcpu */
	vcpu = schedp->current_vcpu;
	if (!vcpu) {
		return;
	}

	/* If current vcpu is not RUNNING or yield on exit is set
	 * then context switch
	 */
	if ((vmm_manager_vcpu_get_state(vcpu) != VMM_VCPU_STATE_RUNNING) ||
	    schedp->yield_on_irq_exit) {
		vmm_scheduler_next(schedp, &schedp->ev, schedp->irq_regs);
		schedp->yield_on_irq_exit = FALSE;
	}

	/* VCPU irq processing */
	vmm_vcpu_irq_process(vcpu, regs);

	/* Indicate that we have exited IRQ */
	schedp->irq_context = FALSE;

	/* Clear pointer to IRQ registers */
	schedp->irq_regs = NULL;
}
コード例 #2
0
ファイル: vmm_scheduler.c プロジェクト: nmaiti/xvisor
void vmm_scheduler_irq_exit(vmm_user_regs_t * regs)
{
	vmm_vcpu_t * vcpu = NULL;

	/* Determine current vcpu */
	vcpu = sched.current_vcpu;
	if (!vcpu) {
		return;
	}

	/* Schedule next vcpu if state of 
	 * current vcpu is not RUNNING */
	if (vcpu->state != VMM_VCPU_STATE_RUNNING) {
		vmm_scheduler_next(sched.ev, regs);
		return;
	}

	/* VCPU irq processing */
	vmm_vcpu_irq_process(regs);

	/* Indicate that we have exited IRQ */
	sched.irq_context = FALSE;
}