qom: Introduce CPUClass.tcg_initialize

Move target cpu tcg initialization to common code,
called from cpu_exec_realizefn.

Acked-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/exec.c b/exec.c
index db5ae23118..de03053d32 100644
--- a/exec.c
+++ b/exec.c
@@ -791,10 +791,15 @@ void cpu_exec_initfn(CPUState *cpu)
 
 void cpu_exec_realizefn(CPUState *cpu, Error **errp)
 {
-    CPUClass *cc ATTRIBUTE_UNUSED = CPU_GET_CLASS(cpu);
+    CPUClass *cc = CPU_GET_CLASS(cpu);
 
     cpu_list_add(cpu);
 
+    if (tcg_enabled() && !cc->tcg_initialized) {
+        cc->tcg_initialized = true;
+        cc->tcg_initialize();
+    }
+
 #ifndef CONFIG_USER_ONLY
     if (qdev_get_vmsd(DEVICE(cpu)) == NULL) {
         vmstate_register(NULL, cpu->cpu_index, &vmstate_cpu_common, cpu);