[Qemu-ppc] [PATCH qom-cpu 4/4] target-ppc: Error out for -cpu host on unknown PVR

[Andreas Färber]

Previously we silently exited, with subclasses we got an opcode warning.
Instead explicitly tell the user what's wrong.

An indication for this is -cpu ? showing "host" with an all-zero PVR.

Signed-off-by: Andreas Färber <address@hidden>
---
 target-ppc/kvm.c |    7 +++++++
 1 Datei geändert, 7 Zeilen hinzugefügt(+)

diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index f115892..8998d0f 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -1186,7 +1186,14 @@ static void alter_insns(uint64_t *word, uint64_t flags, 
bool on)
 
 static void kvmppc_host_cpu_initfn(Object *obj)
 {
+    PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(obj);
+
     assert(kvm_enabled());
+
+    if (pcc->info->pvr != mfpvr()) {
+        fprintf(stderr, "Host PVR unsupported.\n");
+        exit(1);
+    }
 }
 
 static void kvmppc_host_cpu_class_init(ObjectClass *oc, void *data)
-- 
1.7.10.4