KVM: PPC: Book3S PR: Expose TM registers
POWER8 introduces transactional memory which brings along a number of new
registers and MSR bits.
Implementing all of those is a pretty big headache, so for now let's at least
emulate enough to make Linux's context switching code happy.
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c
index e1165ba..9bdff15 100644
--- a/arch/powerpc/kvm/book3s_emulate.c
+++ b/arch/powerpc/kvm/book3s_emulate.c
@@ -451,6 +451,17 @@
case SPRN_EBBRR:
vcpu->arch.ebbrr = spr_val;
break;
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+ case SPRN_TFHAR:
+ vcpu->arch.tfhar = spr_val;
+ break;
+ case SPRN_TEXASR:
+ vcpu->arch.texasr = spr_val;
+ break;
+ case SPRN_TFIAR:
+ vcpu->arch.tfiar = spr_val;
+ break;
+#endif
#endif
case SPRN_ICTC:
case SPRN_THRM1:
@@ -572,6 +583,17 @@
case SPRN_EBBRR:
*spr_val = vcpu->arch.ebbrr;
break;
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+ case SPRN_TFHAR:
+ *spr_val = vcpu->arch.tfhar;
+ break;
+ case SPRN_TEXASR:
+ *spr_val = vcpu->arch.texasr;
+ break;
+ case SPRN_TFIAR:
+ *spr_val = vcpu->arch.tfiar;
+ break;
+#endif
#endif
case SPRN_THRM1:
case SPRN_THRM2: