target/alpha: Only build sys_helper.c on system emulation

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231207105426.49339-3-philmd@linaro.org>

target/alpha/meson.build

@@ -7,13 +7,15 @@ alpha_ss.add(files(
   'clk_helper.c',
   'int_helper.c',
   'mem_helper.c',
-  'sys_helper.c',
   'translate.c',
   'vax_helper.c',
 ))
 
 alpha_system_ss = ss.source_set()
-alpha_system_ss.add(files('machine.c'))
+alpha_system_ss.add(files(
+  'machine.c',
+  'sys_helper.c',
+))
 
 target_arch += {'alpha': alpha_ss}
 target_system_arch += {'alpha': alpha_system_ss}

target/alpha/sys_helper.c

@@ -28,7 +28,6 @@
 
 
 /* PALcode support special instructions */
-#ifndef CONFIG_USER_ONLY
 void helper_tbia(CPUAlphaState *env)
 {
     tlb_flush(env_cpu(env));
@@ -74,5 +73,3 @@ void helper_set_alarm(CPUAlphaState *env, uint64_t expire)
         timer_del(cpu->alarm_timer);
     }
 }
-
-#endif /* CONFIG_USER_ONLY */