cpu: Turn cpu_unassigned_access() into a CPUState hook

Use it for all targets, but be careful not to pass invalid CPUState.
cpu_single_env can be NULL, e.g. on Xen.

Signed-off-by: Andreas Färber <afaerber@suse.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/target-sparc/cpu.c b/target-sparc/cpu.c
index ff1200c310..65ae6f73bf 100644
--- a/target-sparc/cpu.c
+++ b/target-sparc/cpu.c
@@ -771,6 +771,7 @@ static void sparc_cpu_class_init(ObjectClass *oc, void *data)
 
     cc->do_interrupt = sparc_cpu_do_interrupt;
     cc->dump_state = sparc_cpu_dump_state;
+    cpu_class_set_do_unassigned_access(cc, sparc_cpu_unassigned_access);
 }
 
 static const TypeInfo sparc_cpu_type_info = {