target-s390x: Let cpu_s390x_init() return S390CPU

Let cpu_init() return CPUS390XState for backwards compatibility.
Signed-off-by: NAndreas Färber <afaerber@suse.de>

target-s390x/cpu.c

@@ -20,7 +20,7 @@
  * <http://www.gnu.org/licenses/lgpl-2.1.html>
  */
 
-#include "cpu-qom.h"
+#include "cpu.h"
 #include "qemu-common.h"
 #include "qemu-timer.h"
 

target-s390x/cpu.h

@@ -105,6 +105,8 @@ typedef struct CPUS390XState {
     QEMUTimer *cpu_timer;
 } CPUS390XState;
 
+#include "cpu-qom.h"
+
 #if defined(CONFIG_USER_ONLY)
 static inline void cpu_clone_regs(CPUS390XState *env, target_ulong newsp)
 {
@@ -271,7 +273,7 @@ static inline int get_ilc(uint8_t opc)
 #define ILC_LATER_INC_2 0x22
 
 
-CPUS390XState *cpu_s390x_init(const char *cpu_model);
+S390CPU *cpu_s390x_init(const char *cpu_model);
 void s390x_translate_init(void);
 int cpu_s390x_exec(CPUS390XState *s);
 void cpu_s390x_close(CPUS390XState *s);
@@ -340,7 +342,7 @@ static inline void cpu_set_tls(CPUS390XState *env, target_ulong newtls)
     env->aregs[1] = newtls & 0xffffffffULL;
 }
 
-#define cpu_init cpu_s390x_init
+#define cpu_init(model) (&cpu_s390x_init(model)->env)
 #define cpu_exec cpu_s390x_exec
 #define cpu_gen_code cpu_s390x_gen_code
 #define cpu_signal_handler cpu_s390x_signal_handler
@@ -994,6 +996,4 @@ static inline void cpu_pc_from_tb(CPUS390XState *env, TranslationBlock* tb)
     env->psw.addr = tb->pc;
 }
 
-#include "cpu-qom.h"
-
 #endif

target-s390x/helper.c

@@ -70,7 +70,7 @@ void s390x_cpu_timer(void *opaque)
 }
 #endif
 
-CPUS390XState *cpu_s390x_init(const char *cpu_model)
+S390CPU *cpu_s390x_init(const char *cpu_model)
 {
     S390CPU *cpu;
     CPUS390XState *env;
@@ -86,7 +86,7 @@ CPUS390XState *cpu_s390x_init(const char *cpu_model)
 
     env->cpu_model_str = cpu_model;
     qemu_init_vcpu(env);
-    return env;
+    return cpu;
 }
 
 #if defined(CONFIG_USER_ONLY)