target-mips: Let cpu_mips_init() return MIPSCPU

Turn cpu_init macro into a static inline function returning CPUMIPSState
for backwards compatibility.

Signed-off-by: Andreas Färber <afaerber@suse.de>

target-mips/cpu.h

@@ -496,7 +496,6 @@ void cpu_unassigned_access(CPUMIPSState *env, target_phys_addr_t addr,
 
 void mips_cpu_list (FILE *f, fprintf_function cpu_fprintf);
 
-#define cpu_init cpu_mips_init
 #define cpu_exec cpu_mips_exec
 #define cpu_gen_code cpu_mips_gen_code
 #define cpu_signal_handler cpu_mips_signal_handler
@@ -626,9 +625,18 @@ enum {
 #define CPU_INTERRUPT_WAKE CPU_INTERRUPT_TGT_INT_0
 
 int cpu_mips_exec(CPUMIPSState *s);
-CPUMIPSState *cpu_mips_init(const char *cpu_model);
+MIPSCPU *cpu_mips_init(const char *cpu_model);
 int cpu_mips_signal_handler(int host_signum, void *pinfo, void *puc);
 
+static inline CPUMIPSState *cpu_init(const char *cpu_model)
+{
+    MIPSCPU *cpu = cpu_mips_init(cpu_model);
+    if (cpu == NULL) {
+        return NULL;
+    }
+    return &cpu->env;
+}
+
 /* mips_timer.c */
 uint32_t cpu_mips_get_random (CPUMIPSState *env);
 uint32_t cpu_mips_get_count (CPUMIPSState *env);

target-mips/translate.c

@@ -12689,7 +12689,7 @@ static void mips_tcg_init(void)
 
 #include "translate_init.c"
 
-CPUMIPSState *cpu_mips_init (const char *cpu_model)
+MIPSCPU *cpu_mips_init(const char *cpu_model)
 {
     MIPSCPU *cpu;
     CPUMIPSState *env;
@@ -12711,7 +12711,7 @@ CPUMIPSState *cpu_mips_init (const char *cpu_model)
     mips_tcg_init();
     cpu_reset(CPU(cpu));
     qemu_init_vcpu(env);
-    return env;
+    return cpu;
 }
 
 void cpu_state_reset(CPUMIPSState *env)