sim: move scache init to dynamic modules.c

Use the new modules.c framework to find & initialize this module.

sim/common/ChangeLog

@@ -1,3 +1,10 @@
+2021-06-30  Mike Frysinger  <vapier@gentoo.org>
+
+	* cgen-scache.c (scache_install): Rename to ...
+	(sim_install_scache): ... this.  New prototype.
+	* cgen-scache.h (scache_install): Delete.
+	* sim-module.c (early_modules): Delete scache_install.
+
 2021-06-30  Mike Frysinger  <vapier@gentoo.org>
 
 	* sim-module.c (early_modules): Delete profile_install.

sim/common/cgen-scache.c

@@ -175,8 +175,12 @@ scache_option_handler (SIM_DESC sd, sim_cpu *cpu, int opt,
   return SIM_RC_OK;
 }
 
+/* Provide a prototype to silence -Wmissing-prototypes.  */
+SIM_RC sim_install_scache (SIM_DESC sd);
+
+/* Install the simulator cache into the simulator.  */
 SIM_RC
-scache_install (SIM_DESC sd)
+sim_install_scache (SIM_DESC sd)
 {
   sim_add_option_table (sd, NULL, scache_options);
   sim_module_add_init_fn (sd, scache_init);

sim/common/cgen-scache.h

@@ -109,9 +109,6 @@ typedef struct cpu_scache {
 /* Non-zero if cache is in use.  */
 #define USING_SCACHE_P(sd) (STATE_SCACHE_SIZE (sd) > 0)
 
-/* Install the simulator cache into the simulator.  */
-MODULE_INSTALL_FN scache_install;
-
 /* Lookup a PC value in the scache [compilation only].  */
 extern SCACHE * scache_lookup (SIM_CPU *, IADDR);
 /* Return a pointer to at least N buffers.  */

sim/common/sim-module.c

@@ -40,9 +40,6 @@ static MODULE_INSTALL_FN * const early_modules[] = {
   sim_core_install,
   sim_memopt_install,
   sim_watchpoint_install,
-#if WITH_SCACHE
-  scache_install,
-#endif
 };
 static int early_modules_len = ARRAY_SIZE (early_modules);