sun4m: Use cpu_sparc_init() to obtain SPARCCPU

Needed for {main,secondary}_cpu_reset().
Signed-off-by: NAndreas Färber <afaerber@suse.de>
Acked-by: NBlue Swirl <blauwirbel@gmail.com>

hw/sun4m.c

@@ -809,13 +809,15 @@ static TypeInfo ram_info = {
 static void cpu_devinit(const char *cpu_model, unsigned int id,
                         uint64_t prom_addr, qemu_irq **cpu_irqs)
 {
+    SPARCCPU *cpu;
     CPUSPARCState *env;
 
-    env = cpu_init(cpu_model);
-    if (!env) {
+    cpu = cpu_sparc_init(cpu_model);
+    if (cpu == NULL) {
         fprintf(stderr, "qemu: Unable to find Sparc CPU definition\n");
         exit(1);
     }
+    env = &cpu->env;
 
     cpu_sparc_set_id(env, id);
     if (id == 0) {