1 files changed, 37 insertions, 1 deletions

diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index cb72a65f4ecc..dbb5d6842a51 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -38,10 +38,12 @@
 #define OP_31_XOP_LBZX      87
 #define OP_31_XOP_STWX      151
 #define OP_31_XOP_STBX      215
+#define OP_31_XOP_LBZUX     119
 #define OP_31_XOP_STBUX     247
 #define OP_31_XOP_LHZX      279
 #define OP_31_XOP_LHZUX     311
 #define OP_31_XOP_MFSPR     339
+#define OP_31_XOP_LHAX      343
 #define OP_31_XOP_STHX      407
 #define OP_31_XOP_STHUX     439
 #define OP_31_XOP_MTSPR     467
@@ -62,6 +64,8 @@
 #define OP_STBU 39
 #define OP_LHZ  40
 #define OP_LHZU 41
+#define OP_LHA  42
+#define OP_LHAU 43
 #define OP_STH  44
 #define OP_STHU 45
 
@@ -171,6 +175,19 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
                         emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1);
                         break;
 
+                case OP_31_XOP_LBZUX:
+                        rt = get_rt(inst);
+                        ra = get_ra(inst);
+                        rb = get_rb(inst);
+
+                        ea = kvmppc_get_gpr(vcpu, rb);
+                        if (ra)
+                                ea += kvmppc_get_gpr(vcpu, ra);
+
+                        emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1);
+                        kvmppc_set_gpr(vcpu, ra, ea);
+                        break;
+
                 case OP_31_XOP_STWX:
                         rs = get_rs(inst);
                         emulated = kvmppc_handle_store(run, vcpu,
@@ -200,6 +217,11 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
                         kvmppc_set_gpr(vcpu, rs, ea);
                         break;
 
+                case OP_31_XOP_LHAX:
+                        rt = get_rt(inst);
+                        emulated = kvmppc_handle_loads(run, vcpu, rt, 2, 1);
+                        break;
+
                 case OP_31_XOP_LHZX:
                         rt = get_rt(inst);
                         emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1);
@@ -450,6 +472,18 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
                 kvmppc_set_gpr(vcpu, ra, vcpu->arch.paddr_accessed);
                 break;
 
+        case OP_LHA:
+                rt = get_rt(inst);
+                emulated = kvmppc_handle_loads(run, vcpu, rt, 2, 1);
+                break;
+
+        case OP_LHAU:
+                ra = get_ra(inst);
+                rt = get_rt(inst);
+                emulated = kvmppc_handle_loads(run, vcpu, rt, 2, 1);
+                kvmppc_set_gpr(vcpu, ra, vcpu->arch.paddr_accessed);
+                break;
+
         case OP_STH:
                 rs = get_rs(inst);
                 emulated = kvmppc_handle_store(run, vcpu,
@@ -472,7 +506,9 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 
         if (emulated == EMULATE_FAIL) {
                 emulated = kvmppc_core_emulate_op(run, vcpu, inst, &advance);
-                if (emulated == EMULATE_FAIL) {
+                if (emulated == EMULATE_AGAIN) {
+                        advance = 0;
+                } else if (emulated == EMULATE_FAIL) {
                         advance = 0;
                         printk(KERN_ERR "Couldn't emulate instruction 0x%08x "
                                "(op %d xop %d)\n", inst, get_op(inst), get_xop(inst));