target-xtensa: Let cpu_xtensa_init() return XtensaCPU

Make the include paths for cpu-qom.h consistent to allow using XtensaCPU
in cpu.h.

Turn cpu_init macro into a static inline function returning
CPUXtensaState for backwards compatibility.
Signed-off-by: NAndreas Färber <afaerber@suse.de>
Acked-by: NMax Filippov <jcmvbkbc@gmail.com>

target-xtensa/cpu.c

@@ -28,7 +28,7 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "cpu-qom.h"
+#include "cpu.h"
 #include "qemu-common.h"
 
 

target-xtensa/cpu.h

@@ -344,13 +344,24 @@ typedef struct CPUXtensaState {
     CPU_COMMON
 } CPUXtensaState;
 
-#define cpu_init cpu_xtensa_init
+#include "cpu-qom.h"
+
 #define cpu_exec cpu_xtensa_exec
 #define cpu_gen_code cpu_xtensa_gen_code
 #define cpu_signal_handler cpu_xtensa_signal_handler
 #define cpu_list xtensa_cpu_list
 
-CPUXtensaState *cpu_xtensa_init(const char *cpu_model);
+XtensaCPU *cpu_xtensa_init(const char *cpu_model);
+
+static inline CPUXtensaState *cpu_init(const char *cpu_model)
+{
+    XtensaCPU *cpu = cpu_xtensa_init(cpu_model);
+    if (cpu == NULL) {
+        return NULL;
+    }
+    return &cpu->env;
+}
+
 void xtensa_translate_init(void);
 int cpu_xtensa_exec(CPUXtensaState *s);
 void xtensa_register_core(XtensaConfigList *node);
@@ -471,7 +482,6 @@ static inline void cpu_get_tb_cpu_state(CPUXtensaState *env, target_ulong *pc,
 }
 
 #include "cpu-all.h"
-#include "cpu-qom.h"
 #include "exec-all.h"
 
 static inline int cpu_has_work(CPUXtensaState *env)

target-xtensa/helper.c

@@ -80,7 +80,7 @@ static void breakpoint_handler(CPUXtensaState *env)
     }
 }
 
-CPUXtensaState *cpu_xtensa_init(const char *cpu_model)
+XtensaCPU *cpu_xtensa_init(const char *cpu_model)
 {
     static int tcg_inited;
     static int debug_handler_inited;
@@ -116,7 +116,7 @@ CPUXtensaState *cpu_xtensa_init(const char *cpu_model)
 
     xtensa_irq_init(env);
     qemu_init_vcpu(env);
-    return env;
+    return cpu;
 }