ARM CPU suspend/halt (Paul Brook)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1663 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 7 insertions, 0 deletions

diff --git a/target-arm/op.c b/target-arm/op.c
index 09449f28e4..35419a1b71 100644
--- a/target-arm/op.c
+++ b/target-arm/op.c
@@ -878,6 +878,13 @@ void OPPROTO op_debug(void)
     cpu_loop_exit();
 }
 
+void OPPROTO op_wfi(void)
+{
+    env->exception_index = EXCP_HLT;
+    env->halted = 1;
+    cpu_loop_exit();
+}
+
 /* VFP support.  We follow the convention used for VFP instrunctions:
    Single precition routines have a "s" suffix, double precision a
    "d" suffix.  */