static void kvmppc_core_check_exceptions(struct kvm_vcpu *vcpu)
{
unsigned long *pending = &vcpu->arch.pending_exceptions;
unsigned int priority;
if (vcpu->requests) {
if (kvm_check_request(KVM_REQ_PENDING_TIMER, vcpu)) {
smp_mb();
update_timer_ints(vcpu);
}
}
priority = __ffs(*pending);
while (priority < BOOKE_IRQPRIO_MAX) {
if (kvmppc_booke_irqprio_deliver(vcpu, priority))
break;
priority = find_next_bit(pending,
BITS_PER_BYTE * sizeof(*pending),
priority + 1);
}
/* Tell the guest about our interrupt status */
vcpu->arch.shared->int_pending = !!*pending;
}
static int set_sregs_base(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs)
{
if (!(sregs->u.e.features & KVM_SREGS_E_BASE))
return 0;
vcpu->arch.csrr0 = sregs->u.e.csrr0;
vcpu->arch.csrr1 = sregs->u.e.csrr1;
vcpu->arch.mcsr = sregs->u.e.mcsr;
vcpu->arch.shared->esr = sregs->u.e.esr;
vcpu->arch.shared->dar = sregs->u.e.dear;
vcpu->arch.vrsave = sregs->u.e.vrsave;
kvmppc_set_tcr(vcpu, sregs->u.e.tcr);
if (sregs->u.e.update_special & KVM_SREGS_E_UPDATE_DEC) {
vcpu->arch.dec = sregs->u.e.dec;
kvmppc_emulate_dec(vcpu);
}
if (sregs->u.e.update_special & KVM_SREGS_E_UPDATE_TSR) {
vcpu->arch.tsr = sregs->u.e.tsr;
update_timer_ints(vcpu);
}
return 0;
}
void kvmppc_clr_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits)
{
clear_bits(tsr_bits, &vcpu->arch.tsr);
update_timer_ints(vcpu);
}
void kvmppc_set_tcr(struct kvm_vcpu *vcpu, u32 new_tcr)
{
vcpu->arch.tcr = new_tcr;
update_timer_ints(vcpu);
}
