Disable phsyical memory handling in userspace emulation.

Code to handle physical memory access is not meaningful in usrmode emulation,
so disable it.

Signed-off-by: Paul Brook <paul@codesourcery.com>

exec.c

@@ -217,7 +217,9 @@ int loglevel;
 static int log_append = 0;
 
 /* statistics */
+#if !defined(CONFIG_USER_ONLY)
 static int tlb_flush_count;
+#endif
 static int tb_flush_count;
 static int tb_phys_invalidate_count;
 
@@ -3924,6 +3926,8 @@ void cpu_io_recompile(CPUState *env, void *retaddr)
     cpu_resume_from_signal(env, NULL);
 }
 
+#if !defined(CONFIG_USER_ONLY)
+
 void dump_exec_info(FILE *f,
                     int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
 {
@@ -3977,8 +3981,6 @@ void dump_exec_info(FILE *f,
     tcg_dump_info(f, cpu_fprintf);
 }
 
-#if !defined(CONFIG_USER_ONLY)
-
 #define MMUSUFFIX _cmmu
 #define GETPC() NULL
 #define env cpu_single_env