commit dc83b8bc0256ee682506ed83853a98eaba529c6f
author Scott Wood <scottwood@freescale.com> Thu Aug 18 15:25:21 2011 -0500
committer Avi Kivity <avi@redhat.com> Mon Mar 05 14:52:24 2012 +0200
tree 0d5f73b725392104320894d606bba10151a9ea3c
parent 0164c0f0c404017fb04defb0ceb23fd1c3c3a53e

KVM: PPC: e500: MMU API

This implements a shared-memory API for giving host userspace access to
the guest's TLB.

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

arch/powerpc/kvm/e500_emulate.c

diff --git a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c
index d48ae39..e0d3609 100644
--- a/arch/powerpc/kvm/e500_emulate.c
+++ b/arch/powerpc/kvm/e500_emulate.c
@@ -95,13 +95,17 @@
 	case SPRN_MAS2:
 		vcpu_e500->mas2 = spr_val; break;
 	case SPRN_MAS3:
-		vcpu_e500->mas3 = spr_val; break;
+		vcpu_e500->mas7_3 &= ~(u64)0xffffffff;
+		vcpu_e500->mas7_3 |= spr_val;
+		break;
 	case SPRN_MAS4:
 		vcpu_e500->mas4 = spr_val; break;
 	case SPRN_MAS6:
 		vcpu_e500->mas6 = spr_val; break;
 	case SPRN_MAS7:
-		vcpu_e500->mas7 = spr_val; break;
+		vcpu_e500->mas7_3 &= (u64)0xffffffff;
+		vcpu_e500->mas7_3 |= (u64)spr_val << 32;
+		break;
 	case SPRN_L1CSR0:
 		vcpu_e500->l1csr0 = spr_val;
 		vcpu_e500->l1csr0 &= ~(L1CSR0_DCFI | L1CSR0_CLFC);
@@ -158,13 +162,13 @@
 	case SPRN_MAS2:
 		kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas2); break;
 	case SPRN_MAS3:
-		kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas3); break;
+		kvmppc_set_gpr(vcpu, rt, (u32)vcpu_e500->mas7_3); break;
 	case SPRN_MAS4:
 		kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas4); break;
 	case SPRN_MAS6:
 		kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas6); break;
 	case SPRN_MAS7:
-		kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas7); break;
+		kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas7_3 >> 32); break;
 
 	case SPRN_TLB0CFG:
 		kvmppc_set_gpr(vcpu, rt, vcpu_e500->tlb0cfg); break;