* Makefile.in: Add Timer A support.

* cpu.h (m32c_opcode_pc): New.
(in_gdb): New.
* gdb-if.c (sim_open): Add Timer A support.  Support unbuffered
console.
* int.c (trigger_interrupt): Manage the U flag properly.
(trigger_based_interrupt): Likewise.
(trigger_fixed_interrupt): New.
(trigger_peripheral_interrupt): New.
* int.h (trigger_peripheral_interrupt): New.
* m32c.opc: Use m32c_opcode_pc throughout, as needed.
(decode_m32c): Detect jump-to-zero with traceback.
(BRK): Try to do the right thing, keeping track of whether we're
in gdb or not, and if the user has provided a handler or not.
(GBRK): Alternate break opcode for gdb, in case the user's app
needs to use BRK for itself.
(BRK2): Implement.
* main.c: Add Timer A support.  Support TCP-based console.
(setup_tcp_console): New.
(main): Add Timer A support.  Support TCP-based console.
* mem.c: Add Timer A support.  Support TCP-based console.
(mem_ptr): Enhance NULL pointer detection.
(stdin_ready): New.
(m32c_sim_restore_console): New.
(mem_get_byte): Check for console input ready.
(update_timer_a): New.
* r8c.opc (SSTR): Use r0l, not r0h.
(REIT): Fix return frame logic.
* reg.c (print_flags): New.
(trace_register_changes): Use it.
(m32c_dump_all_registers): New.
* timer_a.h: New.

* load.c: Fix indentation.
* trace.c: Fix indentation.
* trace.h: Fix indentation.

1 files changed, 13 insertions, 3 deletions

diff --git a/sim/m32c/gdb-if.c b/sim/m32c/gdb-if.c
index 3ed3221..a8ba392 100644
--- a/sim/m32c/gdb-if.c
+++ b/sim/m32c/gdb-if.c
@@ -58,6 +58,7 @@ sim_open (SIM_OPEN_KIND kind,
 	  struct host_callback_struct *callback,
 	  struct bfd *abfd, char **argv)
 {
+  setbuf (stdout, 0);
   if (open)
     fprintf (stderr, "m32c minisim: re-opened sim\n");
 
@@ -124,7 +125,7 @@ open_objfile (const char *filename)
 
 
 SIM_RC
-sim_load (SIM_DESC sd, char *prog, struct bfd *abfd, int from_tty)
+sim_load (SIM_DESC sd, char *prog, struct bfd * abfd, int from_tty)
 {
   check_desc (sd);
 
@@ -139,7 +140,7 @@ sim_load (SIM_DESC sd, char *prog, struct bfd *abfd, int from_tty)
 }
 
 SIM_RC
-sim_create_inferior (SIM_DESC sd, struct bfd *abfd, char **argv, char **env)
+sim_create_inferior (SIM_DESC sd, struct bfd * abfd, char **argv, char **env)
 {
   check_desc (sd);
 
@@ -608,7 +609,12 @@ sim_resume (SIM_DESC sd, int step, int sig_to_deliver)
     }
 
   if (step)
-    handle_step (decode_opcode ());
+    {
+      handle_step (decode_opcode ());
+#ifdef TIMER_A
+      update_timer_a ();
+#endif
+    }
   else
     {
       /* We don't clear 'stop' here, because then we would miss
@@ -626,6 +632,9 @@ sim_resume (SIM_DESC sd, int step, int sig_to_deliver)
 	    }
 
 	  int rc = decode_opcode ();
+#ifdef TIMER_A
+	  update_timer_a ();
+#endif
 
 	  if (!M32C_STEPPED (rc))
 	    {
@@ -634,6 +643,7 @@ sim_resume (SIM_DESC sd, int step, int sig_to_deliver)
 	    }
 	}
     }
+  m32c_sim_restore_console ();
 }
 
 int