C++ (Cpp) vmm_vcpu_irq_assert Examples

Example #1

File: pl190.c Project: JimmyDurandWesolowski/xvisor-next

/* Update interrupts.  */
static void pl190_update(struct pl190_emulator_state *s)
{
	u32 status;
	struct vmm_vcpu *vcpu = vmm_manager_guest_vcpu(s->guest, 0);

	if (!vcpu) {
		return;
	}

	status = pl190_irq_status(s);

	if (s->is_child_pic) {
		vmm_devemu_emulate_irq(s->guest, s->parent_irq, status);
	} else {
		if (status & s->prio_mask[s->priority]) {
			vmm_vcpu_irq_assert(vcpu, s->parent_irq, 0x0);
		} else {
			vmm_vcpu_irq_deassert(vcpu, s->parent_irq);
		}

		if ((s->level | s->soft_level) & s->fiq_select) {
			vmm_vcpu_irq_assert(vcpu, s->parent_irq + 1, 0x0);
		} else {
			vmm_vcpu_irq_deassert(vcpu, s->parent_irq + 1);
		}
	}
}

Example #2

File: pl190.c Project: jhludwig/xvisor

/* Update interrupts.  */
static void pl190_emulator_update(struct pl190_emulator_state *s)
{
	u32 irqset, fiqset, status;
	struct vmm_vcpu *vcpu = vmm_manager_guest_vcpu(s->guest, 0);

	if (!vcpu) {
		return;
	}

	status = pl190_emulator_irq_status(s);

	if (s->is_child_pic) {
		vmm_devemu_emulate_irq(s->guest, s->parent_irq, status);
	} else {

		irqset = ((status & s->prio_mask[s->priority]) != 0);
		if (irqset) {
			vmm_vcpu_irq_assert(vcpu, CPU_EXTERNAL_IRQ, 0x0);
		} else {
			vmm_vcpu_irq_deassert(vcpu, CPU_EXTERNAL_IRQ);
		}

		fiqset = (((s->level | s->soft_level) & s->fiq_select) != 0);
		if (fiqset) {
			vmm_vcpu_irq_assert(vcpu, CPU_EXTERNAL_FIQ, 0x0);
		} else {
			vmm_vcpu_irq_deassert(vcpu, CPU_EXTERNAL_FIQ);
		}
	}
}

Example #3

File: cpu_interrupts.c Project: liwenhaosuper/xvisor

void do_soft_irq(arch_regs_t * uregs)
{
	int rc = VMM_OK;
	struct vmm_vcpu * vcpu;

	if ((uregs->cpsr & CPSR_MODE_MASK) != CPSR_MODE_USER) {
		vmm_panic("%s: unexpected exception\n", __func__);
	}

	vmm_scheduler_irq_enter(uregs, TRUE);

	vcpu = vmm_scheduler_current_vcpu();

	/* If vcpu priviledge is user then generate exception 
	 * and return without emulating instruction 
	 */
	if ((arm_priv(vcpu)->cpsr & CPSR_MODE_MASK) == CPSR_MODE_USER) {
		vmm_vcpu_irq_assert(vcpu, CPU_SOFT_IRQ, 0x0);
	} else {
		if (uregs->cpsr & CPSR_THUMB_ENABLED) {
			rc = cpu_vcpu_hypercall_thumb(vcpu, uregs, 
							*((u32 *)uregs->pc));
		} else {
			rc = cpu_vcpu_hypercall_arm(vcpu, uregs, 
							*((u32 *)uregs->pc));
		}
	}

	if (rc) {
		vmm_printf("%s: error %d\n", __func__, rc);
	}

	vmm_scheduler_irq_exit(uregs);
}

Example #4

File: cpu_interrupts.c Project: nmaiti/xvisor

void do_undef_inst(vmm_user_regs_t * uregs)
{
	int rc = VMM_OK;
	vmm_vcpu_t * vcpu;

	if ((uregs->cpsr & CPSR_MODE_MASK) != CPSR_MODE_USER) {
		vmm_panic("%s: unexpected exception\n", __func__);
	}

	vmm_scheduler_irq_enter(uregs, TRUE);

	vcpu = vmm_scheduler_current_vcpu();

	/* If vcpu priviledge is user then generate exception 
	 * and return without emulating instruction 
	 */
	if ((vcpu->sregs->cpsr & CPSR_MODE_MASK) == CPSR_MODE_USER) {
		vmm_vcpu_irq_assert(vcpu, CPU_UNDEF_INST_IRQ, 0x0);
	} else {
		if (uregs->cpsr & CPSR_THUMB_ENABLED) {
			rc = cpu_vcpu_emulate_thumb_inst(vcpu, uregs, FALSE);
		} else {
			rc = cpu_vcpu_emulate_arm_inst(vcpu, uregs, FALSE);
		}
	}

	if (rc) {
		vmm_printf("%s: error %d\n", __func__, rc);
	}

	vmm_scheduler_irq_exit(uregs);
}