target-cris: Move TCG initialization to CRISCPU initfn

Split out TCG initialization from cpu_cris_init(). Avoid CPUCRISState
dependency for v10-specific initialization and for non-v10 by inlining
the decision into the initfn as well.
Signed-off-by: NAndreas Färber <afaerber@suse.de>

target-cris/cpu.c

@@ -70,8 +70,18 @@ static void cris_cpu_initfn(Object *obj)
 {
     CRISCPU *cpu = CRIS_CPU(obj);
     CPUCRISState *env = &cpu->env;
+    static bool tcg_initialized;
 
     cpu_exec_init(env);
+
+    if (tcg_enabled() && !tcg_initialized) {
+        tcg_initialized = true;
+        if (env->pregs[PR_VR] < 32) {
+            cris_initialize_crisv10_tcg();
+        } else {
+            cris_initialize_tcg();
+        }
+    }
 }
 
 static void cris_cpu_class_init(ObjectClass *oc, void *data)

target-cris/cpu.h

@@ -182,6 +182,9 @@ void do_interrupt(CPUCRISState *env);
 int cpu_cris_signal_handler(int host_signum, void *pinfo,
                            void *puc);
 
+void cris_initialize_tcg(void);
+void cris_initialize_crisv10_tcg(void);
+
 enum {
     CC_OP_DYNAMIC, /* Use env->cc_op  */
     CC_OP_FLAGS,

target-cris/translate.c

@@ -3550,8 +3550,6 @@ CRISCPU *cpu_cris_init(const char *cpu_model)
 {
     CRISCPU *cpu;
     CPUCRISState *env;
-    static int tcg_initialized = 0;
-    int i;
 
     cpu = CRIS_CPU(object_new(TYPE_CRIS_CPU));
     env = &cpu->env;
@@ -3560,21 +3558,16 @@ CRISCPU *cpu_cris_init(const char *cpu_model)
 
     object_property_set_bool(OBJECT(cpu), true, "realized", NULL);
 
-    if (tcg_initialized) {
-        return cpu;
-    }
+    return cpu;
+}
 
-    tcg_initialized = 1;
+void cris_initialize_tcg(void)
+{
+    int i;
 
 #define GEN_HELPER 2
 #include "helper.h"
 
-    if (env->pregs[PR_VR] < 32) {
-        cpu_crisv10_init(env);
-        return cpu;
-    }
-
-
     cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
     cc_x = tcg_global_mem_new(TCG_AREG0,
                               offsetof(CPUCRISState, cc_x), "cc_x");
@@ -3614,8 +3607,6 @@ CRISCPU *cpu_cris_init(const char *cpu_model)
                                        offsetof(CPUCRISState, pregs[i]),
                                        pregnames[i]);
     }
-
-    return cpu;
 }
 
 void restore_state_to_opc(CPUCRISState *env, TranslationBlock *tb, int pc_pos)

target-cris/translate_v10.c

@@ -1257,7 +1257,7 @@ static unsigned int crisv10_decoder(CPUCRISState *env, DisasContext *dc)
     return insn_len;
 }
 
-static CPUCRISState *cpu_crisv10_init (CPUCRISState *env)
+void cris_initialize_crisv10_tcg(void)
 {
 	int i;
 
@@ -1300,7 +1300,4 @@ static CPUCRISState *cpu_crisv10_init (CPUCRISState *env)
 					       offsetof(CPUCRISState, pregs[i]),
 					       pregnames_v10[i]);
 	}
-
-	return env;
 }
-