sim: m68hc11: convert to sim-cpu

Make cpu allocation fully dynamic so we can leverage the common
sim-cpu and its APIs.

1 files changed, 31 insertions, 8 deletions

diff --git a/sim/m68hc11/interp.c b/sim/m68hc11/interp.c
index 3100659..659001a 100644
--- a/sim/m68hc11/interp.c
+++ b/sim/m68hc11/interp.c
@@ -417,18 +417,39 @@ sim_prepare_for_program (SIM_DESC sd, bfd* abfd)
   return SIM_RC_OK;
 }
 
+static sim_cia
+m68hc11_pc_get (sim_cpu *cpu)
+{
+  return cpu_get_pc (cpu);
+}
+
+static void
+m68hc11_pc_set (sim_cpu *cpu, sim_cia pc)
+{
+  cpu_set_pc (cpu, pc);
+}
+
 SIM_DESC
 sim_open (SIM_OPEN_KIND kind, host_callback *callback,
           bfd *abfd, char **argv)
 {
+  int i;
   SIM_DESC sd;
   sim_cpu *cpu;
 
   sd = sim_state_alloc (kind, callback);
-  cpu = STATE_CPU (sd, 0);
 
   SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
 
+  /* The cpu data is kept in a separately allocated chunk of memory.  */
+  if (sim_cpu_alloc_all (sd, 1, /*cgen_cpu_max_extra_bytes ()*/0) != SIM_RC_OK)
+    {
+      free_state (sd);
+      return 0;
+    }
+
+  cpu = STATE_CPU (sd, 0);
+
   /* for compatibility */
   current_alignment = NONSTRICT_ALIGNMENT;
   current_target_byte_order = BIG_ENDIAN;
@@ -482,7 +503,15 @@ sim_open (SIM_OPEN_KIND kind, host_callback *callback,
       return 0;
     }      
 
-  /* Fudge our descriptor.  */
+  /* CPU specific initialization.  */
+  for (i = 0; i < MAX_NR_PROCESSORS; ++i)
+    {
+      SIM_CPU *cpu = STATE_CPU (sd, i);
+
+      CPU_PC_FETCH (cpu) = m68hc11_pc_get;
+      CPU_PC_STORE (cpu) = m68hc11_pc_set;
+    }
+
   return sd;
 }
 
@@ -679,12 +708,6 @@ sim_store_register (SIM_DESC sd, int rn, unsigned char *memory, int length)
   return 2;
 }
 
-sim_cia
-sim_pc_get (sim_cpu *cpu)
-{
-  return CIA_GET (cpu);
-}
-
 /* Halt the simulator after just one instruction */
 
 static void