target/mips: Restrict mmu_init() to TCG

mmu_init() is only required by TCG accelerator.
Restrict its declaration and call to TCG.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210428170410.479308-21-f4bug@amsat.org>

target/mips/cpu.c

@@ -708,7 +708,7 @@ static void mips_cpu_realizefn(DeviceState *dev, Error **errp)
 
     env->exception_base = (int32_t)0xBFC00000;
 
-#ifndef CONFIG_USER_ONLY
+#if defined(CONFIG_TCG) && !defined(CONFIG_USER_ONLY)
     mmu_init(env, env->cpu_model);
 #endif
     fpu_init(env, env->cpu_model);

target/mips/internal.h

@@ -233,9 +233,6 @@ void cpu_mips_store_compare(CPUMIPSState *env, uint32_t value);
 void cpu_mips_start_count(CPUMIPSState *env);
 void cpu_mips_stop_count(CPUMIPSState *env);
 
-/* helper.c */
-void mmu_init(CPUMIPSState *env, const mips_def_t *def);
-
 static inline void mips_env_set_pc(CPUMIPSState *env, target_ulong value)
 {
     env->active_tc.PC = value & ~(target_ulong)1;

target/mips/tcg/tcg-internal.h

@@ -20,6 +20,8 @@ bool mips_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
 
 #if !defined(CONFIG_USER_ONLY)
 
+void mmu_init(CPUMIPSState *env, const mips_def_t *def);
+
 void update_pagemask(CPUMIPSState *env, target_ulong arg1, int32_t *pagemask);
 
 uint32_t cpu_mips_get_random(CPUMIPSState *env);