target-sparc: Let cpu_sparc_init() return SPARCCPU

Make include paths for cpu-qom.h consistent, so that SPARCCPU can be
used in cpu.h.

Turn cpu_init macro into a static inline function returning
CPUSPARCState for backwards compatibility.
Signed-off-by: NAndreas Färber <afaerber@suse.de>
Acked-by: NBlue Swirl <blauwirbel@gmail.com>

target-sparc/cpu.c

@@ -111,7 +111,7 @@ static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
     return 0;
 }
 
-CPUSPARCState *cpu_sparc_init(const char *cpu_model)
+SPARCCPU *cpu_sparc_init(const char *cpu_model)
 {
     SPARCCPU *cpu;
     CPUSPARCState *env;
@@ -129,7 +129,7 @@ CPUSPARCState *cpu_sparc_init(const char *cpu_model)
     }
     qemu_init_vcpu(env);
 
-    return env;
+    return cpu;
 }
 
 void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu)

target-sparc/cpu.h

@@ -511,9 +511,11 @@ struct CPUSPARCState {
     uint32_t cache_control;
 };
 
+#include "cpu-qom.h"
+
 #ifndef NO_CPU_IO_DEFS
 /* cpu_init.c */
-CPUSPARCState *cpu_sparc_init(const char *cpu_model);
+SPARCCPU *cpu_sparc_init(const char *cpu_model);
 void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu);
 void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf);
 /* mmu_helper.c */
@@ -590,7 +592,17 @@ target_phys_addr_t cpu_get_phys_page_nofault(CPUSPARCState *env, target_ulong ad
 #endif
 int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc);
 
-#define cpu_init cpu_sparc_init
+#ifndef NO_CPU_IO_DEFS
+static inline CPUSPARCState *cpu_init(const char *cpu_model)
+{
+    SPARCCPU *cpu = cpu_sparc_init(cpu_model);
+    if (cpu == NULL) {
+        return NULL;
+    }
+    return &cpu->env;
+}
+#endif
+
 #define cpu_exec cpu_sparc_exec
 #define cpu_gen_code cpu_sparc_gen_code
 #define cpu_signal_handler cpu_sparc_signal_handler
@@ -691,7 +703,6 @@ static inline void cpu_clone_regs(CPUSPARCState *env, target_ulong newsp)
 #endif
 
 #include "cpu-all.h"
-#include "cpu-qom.h"
 
 #ifdef TARGET_SPARC64
 /* sun4u.c */