KVM: PPC: booke: add sregs support

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>

1 files changed, 8 insertions, 5 deletions

diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index 8f7a3aa03c26..141dce3c6810 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -114,6 +114,12 @@ void kvmppc_emulate_dec(struct kvm_vcpu *vcpu)
         }
 }
 
+u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb)
+{
+        u64 jd = tb - vcpu->arch.dec_jiffies;
+        return vcpu->arch.dec - jd;
+}
+
 /* XXX to do:
  * lhax
  * lhaux
@@ -279,11 +285,8 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 
                         case SPRN_DEC:
                         {
-                                u64 jd = get_tb() - vcpu->arch.dec_jiffies;
-                                kvmppc_set_gpr(vcpu, rt, vcpu->arch.dec - jd);
-                                pr_debug("mfDEC: %x - %llx = %lx\n",
-                                         vcpu->arch.dec, jd,
-                                         kvmppc_get_gpr(vcpu, rt));
+                                kvmppc_set_gpr(vcpu, rt,
+                                               kvmppc_get_dec(vcpu, get_tb()));
                                 break;
                         }
                         default: