exec: Return CPUState from qemu_get_cpu()

Move the declaration to qemu/cpu.h and add documentation.
The implementation still depends on CPUArchState for CPU iteration.

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

1 files changed, 3 insertions, 3 deletions

diff --git a/exec.c b/exec.c
index e5265e635c..5689613d0a 100644
--- a/exec.c
+++ b/exec.c
@@ -247,10 +247,10 @@ static const VMStateDescription vmstate_cpu_common = {
 };
 #endif
 
-CPUArchState *qemu_get_cpu(int index)
+CPUState *qemu_get_cpu(int index)
 {
     CPUArchState *env = first_cpu;
-    CPUState *cpu;
+    CPUState *cpu = NULL;
 
     while (env) {
         cpu = ENV_GET_CPU(env);
@@ -260,7 +260,7 @@ CPUArchState *qemu_get_cpu(int index)
         env = env->next_cpu;
     }
 
-    return env;
+    return cpu;
 }
 
 void cpu_exec_init(CPUArchState *env)