C++ (Cpp) apic_clear Exemples

Exemple #1

Fichier : control.c Projet : tzuchiangshen/jailhouse

/* control_lock has to be held */
static void x86_enter_wait_for_sipi(struct per_cpu *cpu_data)
{
	cpu_data->init_signaled = false;
	cpu_data->wait_for_sipi = true;
	apic_clear();
	vmx_cpu_park();
}

Exemple #2

Fichier : control.c Projet : jamesli21/jailhouse

int x86_handle_events(struct per_cpu *cpu_data)
{
	int sipi_vector = -1;

	spin_lock(&cpu_data->control_lock);

	do {
		if (cpu_data->init_signaled && !cpu_data->suspend_cpu) {
			x86_enter_wait_for_sipi(cpu_data);
			sipi_vector = -1;
			break;
		}

		cpu_data->cpu_suspended = true;

		spin_unlock(&cpu_data->control_lock);

		while (cpu_data->suspend_cpu)
			cpu_relax();

		if (cpu_data->shutdown_cpu) {
			apic_clear();
			vcpu_exit(cpu_data);
			asm volatile("1: hlt; jmp 1b");
		}

		spin_lock(&cpu_data->control_lock);

		cpu_data->cpu_suspended = false;

		if (cpu_data->sipi_vector >= 0) {
			if (!cpu_data->failed) {
				cpu_data->wait_for_sipi = false;
				sipi_vector = cpu_data->sipi_vector;
			}
			cpu_data->sipi_vector = -1;
		}
	} while (cpu_data->init_signaled);