target/mips: Do not include CP0 helpers in user-mode emulation

CP0 helpers are restricted to system-mode emulation.
Do not intent do build cp0_helper.c in user-mode (this
allows to simplify some #ifdef'ry).

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Huacai Chen <chenhc@lemote.com>
Message-Id: <20201109090422.2445166-3-f4bug@amsat.org>

target/mips/cp0_helper.c

@@ -32,7 +32,6 @@
 #include "sysemu/kvm.h"
 
 
-#ifndef CONFIG_USER_ONLY
 /* SMP helpers.  */
 static bool mips_vpe_is_wfi(MIPSCPU *c)
 {
@@ -1667,10 +1666,8 @@ target_ulong helper_evpe(CPUMIPSState *env)
     }
     return prev;
 }
-#endif /* !CONFIG_USER_ONLY */
 
 /* R6 Multi-threading */
-#ifndef CONFIG_USER_ONLY
 target_ulong helper_dvp(CPUMIPSState *env)
 {
     CPUState *other_cs = first_cpu;
@@ -1709,4 +1706,3 @@ target_ulong helper_evp(CPUMIPSState *env)
     }
     return prev;
 }
-#endif /* !CONFIG_USER_ONLY */

target/mips/meson.build

@@ -1,6 +1,5 @@
 mips_ss = ss.source_set()
 mips_ss.add(files(
-  'cp0_helper.c',
   'cpu.c',
   'dsp_helper.c',
   'fpu_helper.c',
@@ -15,6 +14,7 @@ mips_ss.add(when: 'CONFIG_KVM', if_true: files('kvm.c'))
 
 mips_softmmu_ss = ss.source_set()
 mips_softmmu_ss.add(files(
+  'cp0_helper.c',
   'cp0_timer.c',
   'machine.c',
   'mips-semi.c',