sim: frv: fix up various missing prototype warnings

Some of these were missing includes, some were unused funcs we can
cleanup, and some were missing prototypes for use in other files.

sim/frv/ChangeLog

diff --git a/sim/frv/ChangeLog b/sim/frv/ChangeLog
index cb4e2cf..da32914 100644
--- a/sim/frv/ChangeLog
+++ b/sim/frv/ChangeLog
@@ -1,5 +1,15 @@
 2021-06-27  Mike Frysinger  <vapier@gentoo.org>
 
+	* interrupts.c: Include cgen-mem.h.
+	* profile-fr400.c (acc_use_is_media_p4): Disable function.
+	* reset.c: Include cgen-mem.h.
+	* sim-if.c (print_frv_misc_cpu): Delete.
+	* sim-main.h (FRV_SIM_MAIN_H): Add ifdef guard.
+	(frvbf_model_branch): New prototype.
+	(frvbf_perform_writeback): Likewise.
+
+2021-06-27  Mike Frysinger  <vapier@gentoo.org>
+
 	* profile.c (wait_for_flush): Change %p to %x.
 	* sim-if.c (sim_open): Change %lx to %x.
 

sim/frv/interrupts.c

diff --git a/sim/frv/interrupts.c b/sim/frv/interrupts.c
index 99b27cf..64c563a 100644
--- a/sim/frv/interrupts.c
+++ b/sim/frv/interrupts.c
@@ -27,6 +27,7 @@
 #include "sim-signal.h"
 #include "bfd.h"
 #include <stdlib.h>
+#include "cgen-mem.h"
 
 /* FR-V Interrupt table.
    Describes the interrupts supported by the FR-V.

sim/frv/profile-fr400.c

diff --git a/sim/frv/profile-fr400.c b/sim/frv/profile-fr400.c
index f6752d8..3f2b6ef 100644
--- a/sim/frv/profile-fr400.c
+++ b/sim/frv/profile-fr400.c
@@ -176,6 +176,7 @@
     d->cur_acc_p4 &= ~(((DI)1) << acc);
 }
 
+#if 0
 static int
 acc_use_is_media_p4 (SIM_CPU *cpu, INT acc)
 {
@@ -184,6 +185,7 @@
     return d->cur_acc_p4 & (((DI)1) << acc);
   return 0;
 }
+#endif
 
 static void
 set_use_is_media_p6 (SIM_CPU *cpu, INT fr)

sim/frv/reset.c

diff --git a/sim/frv/reset.c b/sim/frv/reset.c
index c87b99f..8b44fab 100644
--- a/sim/frv/reset.c
+++ b/sim/frv/reset.c
@@ -25,6 +25,7 @@
 
 #include "sim-main.h"
 #include "bfd.h"
+#include "cgen-mem.h"
 
 /* Initialize the frv simulator.  */
 void

sim/frv/sim-if.c

diff --git a/sim/frv/sim-if.c b/sim/frv/sim-if.c
index 3dd76ad..ac5d83c 100644
--- a/sim/frv/sim-if.c
+++ b/sim/frv/sim-if.c
@@ -30,7 +30,6 @@
 #include "elf-bfd.h"
 
 static void free_state (SIM_DESC);
-static void print_frv_misc_cpu (SIM_CPU *cpu, int verbose);
 
 /* Cover function of sim_state_free to free the cpu buffers as well.  */
 

sim/frv/sim-main.h

diff --git a/sim/frv/sim-main.h b/sim/frv/sim-main.h
index e2b09a3..9297e55 100644
--- a/sim/frv/sim-main.h
+++ b/sim/frv/sim-main.h
@@ -17,6 +17,9 @@
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
+#ifndef FRV_SIM_MAIN_H
+#define FRV_SIM_MAIN_H
+
 /* Main header for the frv.  */
 
 /* This is a global setting.  Different cpu families can't mix-n-match -scache
@@ -114,3 +117,8 @@
 
 /* Default memory size.  */
 #define FRV_DEFAULT_MEM_SIZE 0x800000 /* 8M */
+
+void frvbf_model_branch (SIM_CPU *, PCADDR, int hint);
+void frvbf_perform_writeback (SIM_CPU *);
+
+#endif