Initial creation of sourceware repository

1 files changed, 0 insertions, 1069 deletions

diff --git a/sim/d10v/interp.c b/sim/d10v/interp.c
deleted file mode 100644
index ad6e920..0000000
--- a/sim/d10v/interp.c
+++ /dev/null
@@ -1,1069 +0,0 @@
-#include <signal.h>
-#include "sysdep.h"
-#include "bfd.h"
-#include "callback.h"
-#include "remote-sim.h"
-
-#include "d10v_sim.h"
-
-#define IMEM_SIZE 18		/* D10V instruction memory size is 18 bits */
-#define DMEM_SIZE 16		/* Data memory is 64K (but only 32K internal RAM) */
-#define UMEM_SIZE 17		/* Each unified memory segment is 17 bits */
-#define UMEM_SEGMENTS 128	/* Number of segments in unified memory region */
-
-enum _leftright { LEFT_FIRST, RIGHT_FIRST };
-
-static char *myname;
-static SIM_OPEN_KIND sim_kind;
-int d10v_debug;
-host_callback *d10v_callback;
-unsigned long ins_type_counters[ (int)INS_MAX ];
-
-uint16 OP[4];
-
-static int init_text_p = 0;
-/* non-zero if we opened prog_bfd */
-static int prog_bfd_was_opened_p;
-bfd *prog_bfd;
-asection *text;
-bfd_vma text_start;
-bfd_vma text_end;
-
-static long hash PARAMS ((long insn, int format));
-static struct hash_entry *lookup_hash PARAMS ((uint32 ins, int size));
-static void get_operands PARAMS ((struct simops *s, uint32 ins));
-static void do_long PARAMS ((uint32 ins));
-static void do_2_short PARAMS ((uint16 ins1, uint16 ins2, enum _leftright leftright));
-static void do_parallel PARAMS ((uint16 ins1, uint16 ins2));
-static char *add_commas PARAMS ((char *buf, int sizeof_buf, unsigned long value));
-extern void sim_set_profile PARAMS ((int n));
-extern void sim_set_profile_size PARAMS ((int n));
-
-#ifndef INLINE
-#if defined(__GNUC__) && defined(__OPTIMIZE__)
-#define INLINE __inline__
-#else
-#define INLINE
-#endif
-#endif
-
-#define MAX_HASH  63
-struct hash_entry
-{
-  struct hash_entry *next;
-  long opcode;
-  long mask;
-  int size;
-  struct simops *ops;
-};
-
-struct hash_entry hash_table[MAX_HASH+1];
-
-INLINE static long 
-hash(insn, format)
-     long insn;
-     int format;
-{
-  if (format & LONG_OPCODE)
-    return ((insn & 0x3F000000) >> 24);
-  else
-    return((insn & 0x7E00) >> 9);
-}
-
-INLINE static struct hash_entry *
-lookup_hash (ins, size)
-     uint32 ins;
-     int size;
-{
-  struct hash_entry *h;
-
-  if (size)
-    h = &hash_table[(ins & 0x3F000000) >> 24];
-  else
-    h = &hash_table[(ins & 0x7E00) >> 9];
-
-  while ((ins & h->mask) != h->opcode || h->size != size)
-    {
-      if (h->next == NULL)
-	{
-	  (*d10v_callback->printf_filtered) (d10v_callback, "ERROR looking up hash for %x at PC %x\n",ins, PC);
-	  exit (1);
-	}
-      h = h->next;
-    }
-  return (h);
-}
-
-INLINE static void
-get_operands (struct simops *s, uint32 ins)
-{
-  int i, shift, bits, flags;
-  uint32 mask;
-  for (i=0; i < s->numops; i++)
-    {
-      shift = s->operands[3*i];
-      bits = s->operands[3*i+1];
-      flags = s->operands[3*i+2];
-      mask = 0x7FFFFFFF >> (31 - bits);
-      OP[i] = (ins >> shift) & mask;
-    }
-}
-
-bfd_vma
-decode_pc ()
-{
-  asection *s;
-  if (!init_text_p && prog_bfd != NULL)
-    {
-      init_text_p = 1;
-      for (s = prog_bfd->sections; s; s = s->next)
-	if (strcmp (bfd_get_section_name (prog_bfd, s), ".text") == 0)
-	  {
-	    text = s;
-	    text_start = bfd_get_section_vma (prog_bfd, s);
-	    text_end = text_start + bfd_section_size (prog_bfd, s);
-	    break;
-	  }
-    }
-
-  return (PC << 2) + text_start;
-}
-
-static void
-do_long (ins)
-     uint32 ins;
-{
-  struct hash_entry *h;
-#ifdef DEBUG
-  if ((d10v_debug & DEBUG_INSTRUCTION) != 0)
-    (*d10v_callback->printf_filtered) (d10v_callback, "do_long 0x%x\n", ins);
-#endif
-  h = lookup_hash (ins, 1);
-  get_operands (h->ops, ins);
-  State.ins_type = INS_LONG;
-  ins_type_counters[ (int)State.ins_type ]++;
-  (h->ops->func)();
-}
-
-static void
-do_2_short (ins1, ins2, leftright)
-     uint16 ins1, ins2;
-     enum _leftright leftright;
-{
-  struct hash_entry *h;
-  reg_t orig_pc = PC;
-  enum _ins_type first, second;
-
-#ifdef DEBUG
-  if ((d10v_debug & DEBUG_INSTRUCTION) != 0)
-    (*d10v_callback->printf_filtered) (d10v_callback, "do_2_short 0x%x (%s) -> 0x%x\n",
-				       ins1, (leftright) ? "left" : "right", ins2);
-#endif
-
-  if (leftright == LEFT_FIRST)
-    {
-      first = INS_LEFT;
-      second = INS_RIGHT;
-      ins_type_counters[ (int)INS_LEFTRIGHT ]++;
-    }
-  else
-    {
-      first = INS_RIGHT;
-      second = INS_LEFT;
-      ins_type_counters[ (int)INS_RIGHTLEFT ]++;
-    }
-
-  h = lookup_hash (ins1, 0);
-  get_operands (h->ops, ins1);
-  State.ins_type = first;
-  ins_type_counters[ (int)State.ins_type ]++;
-  (h->ops->func)();
-
-  /* If the PC has changed (ie, a jump), don't do the second instruction */
-  if (orig_pc == PC && !State.exception)
-    {
-      h = lookup_hash (ins2, 0);
-      get_operands (h->ops, ins2);
-      State.ins_type = second;
-      ins_type_counters[ (int)State.ins_type ]++;
-      ins_type_counters[ (int)INS_CYCLES ]++;
-      (h->ops->func)();
-    }
-  else if (orig_pc != PC && !State.exception)
-    ins_type_counters[ (int)INS_COND_JUMP ]++;
-}
-
-static void
-do_parallel (ins1, ins2)
-     uint16 ins1, ins2;
-{
-  struct hash_entry *h1, *h2;
-#ifdef DEBUG
-  if ((d10v_debug & DEBUG_INSTRUCTION) != 0)
-    (*d10v_callback->printf_filtered) (d10v_callback, "do_parallel 0x%x || 0x%x\n", ins1, ins2);
-#endif
-  ins_type_counters[ (int)INS_PARALLEL ]++;
-  h1 = lookup_hash (ins1, 0);
-  h2 = lookup_hash (ins2, 0);
-
-  if (h1->ops->exec_type == PARONLY)
-    {
-      get_operands (h1->ops, ins1);
-      State.ins_type = INS_LEFT_COND_TEST;
-      ins_type_counters[ (int)State.ins_type ]++;
-      (h1->ops->func)();
-      if (State.exe)
-	{
-	  ins_type_counters[ (int)INS_COND_TRUE ]++;
-	  get_operands (h2->ops, ins2);
-	  State.ins_type = INS_RIGHT_COND_EXE;
-	  ins_type_counters[ (int)State.ins_type ]++;
-	  (h2->ops->func)();
-	}
-      else
-	ins_type_counters[ (int)INS_COND_FALSE ]++;
-    }
-  else if (h2->ops->exec_type == PARONLY)
-    {
-      get_operands (h2->ops, ins2);
-      State.ins_type = INS_RIGHT_COND_TEST;
-      ins_type_counters[ (int)State.ins_type ]++;
-      (h2->ops->func)();
-      if (State.exe)
-	{
-	  ins_type_counters[ (int)INS_COND_TRUE ]++;
-	  get_operands (h1->ops, ins1);
-	  State.ins_type = INS_LEFT_COND_EXE;
-	  ins_type_counters[ (int)State.ins_type ]++;
-	  (h1->ops->func)();
-	}
-      else
-	ins_type_counters[ (int)INS_COND_FALSE ]++;
-    }
-  else
-    {
-      get_operands (h1->ops, ins1);
-      State.ins_type = INS_LEFT_PARALLEL;
-      ins_type_counters[ (int)State.ins_type ]++;
-      (h1->ops->func)();
-      if (!State.exception)
-	{
-	  get_operands (h2->ops, ins2);
-	  State.ins_type = INS_RIGHT_PARALLEL;
-	  ins_type_counters[ (int)State.ins_type ]++;
-	  (h2->ops->func)();
-	}
-    }
-}
- 
-static char *
-add_commas(buf, sizeof_buf, value)
-     char *buf;
-     int sizeof_buf;
-     unsigned long value;
-{
-  int comma = 3;
-  char *endbuf = buf + sizeof_buf - 1;
-
-  *--endbuf = '\0';
-  do {
-    if (comma-- == 0)
-      {
-	*--endbuf = ',';
-	comma = 2;
-      }
-
-    *--endbuf = (value % 10) + '0';
-  } while ((value /= 10) != 0);
-
-  return endbuf;
-}
-
-void
-sim_size (power)
-     int power;
-
-{
-  int i;
-
-  if (State.imem)
-    {
-      for (i=0;i<UMEM_SEGMENTS;i++)
-	{
-	  if (State.umem[i])
-	    {
-	      free (State.umem[i]);
-	      State.umem[i] = NULL;
-	    }
-	}
-      free (State.imem);
-      free (State.dmem);
-    }
-
-  State.imem = (uint8 *)calloc(1,1<<IMEM_SIZE);
-  State.dmem = (uint8 *)calloc(1,1<<DMEM_SIZE);
-  for (i=1;i<(UMEM_SEGMENTS-1);i++)
-    State.umem[i] = NULL;
-  State.umem[0] = (uint8 *)calloc(1,1<<UMEM_SIZE);
-  State.umem[1] = (uint8 *)calloc(1,1<<UMEM_SIZE);
-  State.umem[2] = (uint8 *)calloc(1,1<<UMEM_SIZE);
-  State.umem[UMEM_SEGMENTS-1] = (uint8 *)calloc(1,1<<UMEM_SIZE);
-  if (!State.imem || !State.dmem || !State.umem[0] || !State.umem[1] || !State.umem[2] || !State.umem[UMEM_SEGMENTS-1] )
-    {
-      (*d10v_callback->printf_filtered) (d10v_callback, "Memory allocation failed.\n");
-      exit(1);
-    }
-  
-#ifdef DEBUG
-  if ((d10v_debug & DEBUG_MEMSIZE) != 0)
-    {
-      char buffer[20];
-      (*d10v_callback->printf_filtered) (d10v_callback,
-					 "Allocated %s bytes instruction memory and\n",
-					 add_commas (buffer, sizeof (buffer), (1UL<<IMEM_SIZE)));
-
-      (*d10v_callback->printf_filtered) (d10v_callback, "          %s bytes data memory.\n",
-					 add_commas (buffer, sizeof (buffer), (1UL<<IMEM_SIZE)));
-    }
-#endif
-}
-
-/* Transfer data to/from simulated memory.  Since a bug in either the
-   simulated program or in gdb or the simulator itself may cause a
-   bogus address to be passed in, we need to do some sanity checking
-   on addresses to make sure they are within bounds.  When an address
-   fails the bounds check, treat it as a zero length read/write rather
-   than aborting the entire run. */
-
-static int
-xfer_mem (SIM_ADDR addr,
-	  unsigned char *buffer,
-	  int size,
-	  int write_p)
-{
-  unsigned char *memory;
-  int segment = ((addr >> 24) & 0xff);
-  addr = (addr & 0x00ffffff);
-
-#ifdef DEBUG
-  if ((d10v_debug & DEBUG_INSTRUCTION) != 0)
-    {
-      if (write_p)
-	{
-	  (*d10v_callback->printf_filtered) (d10v_callback, "sim_write %d bytes to 0x%02x:%06x\n", size, segment, addr);
-	}
-      else
-	{
-	  (*d10v_callback->printf_filtered) (d10v_callback, "sim_read %d bytes from 0x%2x:%6x\n", size, segment, addr);
-	}
-    }
-#endif
-
-  /* to access data, we use the following mapping 
-      0x00xxxxxx: Logical data address segment        (DMAP translated memory)
-      0x01xxxxxx: Logical instruction address segment (IMAP translated memory)
-      0x10xxxxxx: Physical data memory segment        (On-chip data memory)
-      0x11xxxxxx: Physical instruction memory segment (On-chip insn memory)
-      0x12xxxxxx: Phisical unified memory segment     (Unified memory)
-   */
-
-  switch (segment)
-    {
-    case 0x00: /* DMAP translated memory */
-      {
-	int byte;
-	for (byte = 0; byte < size; byte++)
-	  {
-	    uint8 *mem = dmem_addr (addr + byte);
-	    if (mem == NULL)
-	      return byte;
-	    else if (write_p)
-	      *mem = buffer[byte];
-	    else
-	      buffer[byte] = *mem;
-	  }
-	return byte;
-      }
-
-    case 0x01: /* IMAP translated memory */
-      {
-	int byte;
-	for (byte = 0; byte < size; byte++)
-	  {
-	    uint8 *mem = imem_addr (addr + byte);
-	    if (mem == NULL)
-	      return byte;
-	    else if (write_p)
-	      *mem = buffer[byte];
-	    else
-	      buffer[byte] = *mem;
-	  }
-	return byte;
-      }
-
-    case 0x10: /* On-chip data memory */
-      {
-	addr &= ((1 << DMEM_SIZE) - 1);
-	if ((addr + size) > (1 << DMEM_SIZE))
-	  {
-	    (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: data address 0x%x is outside range 0-0x%x.\n",
-					       addr + size - 1, (1 << DMEM_SIZE) - 1);
-	    return (0);
-	  }
-	memory = State.dmem + addr;
-	break;
-      }
-
-    case 0x11: /* On-chip insn memory */
-      {
-	addr &= ((1 << IMEM_SIZE) - 1);
-	if ((addr + size) > (1 << IMEM_SIZE))
-	  {
-	    (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: instruction address 0x%x is outside range 0-0x%x.\n",
-					       addr + size - 1, (1 << IMEM_SIZE) - 1);
-	    return (0);
-	  }
-	memory = State.imem + addr;
-      }
-
-    case 0x12: /* Unified memory */
-      {
-	int startsegment, startoffset;	/* Segment and offset within segment where xfer starts */
-	int endsegment, endoffset;	/* Segment and offset within segment where xfer ends */
-	
-	startsegment = addr >> UMEM_SIZE;
-	startoffset = addr & ((1 << UMEM_SIZE) - 1);
-	endsegment = (addr + size) >> UMEM_SIZE;
-	endoffset = (addr + size) & ((1 << UMEM_SIZE) - 1);
-	
-	/* FIXME: We do not currently implement xfers across segments,
-           so detect this case and fail gracefully. */
-	
-	if ((startsegment != endsegment) && !((endsegment == (startsegment + 1)) && endoffset == 0))
-	  {
-	    (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: Unimplemented support for transfers across unified memory segment boundaries\n");
-	    return (0);
-	  }
-	if (!State.umem[startsegment])
-	  {
-#ifdef DEBUG
-	    if ((d10v_debug & DEBUG_MEMSIZE) != 0)
-	      {
-		(*d10v_callback->printf_filtered) (d10v_callback,"Allocating %s bytes unified memory to region %d\n",
-						   add_commas (buffer, sizeof (buffer), (1UL<<IMEM_SIZE)), startsegment);
-	      }
-#endif
-	    State.umem[startsegment] = (uint8 *)calloc(1,1<<UMEM_SIZE);
-	  }
-	if (!State.umem[startsegment])
-	  {
-	    (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: Memory allocation of 0x%x bytes failed.\n", 1<<UMEM_SIZE);
-	    return (0);
-	  }
-	memory = State.umem[startsegment] + startoffset;
-	break;
-      }
-
-    default:
-      {
-	(*d10v_callback->printf_filtered) (d10v_callback, "ERROR: address 0x%lx is not in valid range\n", (long) addr);
- 	(*d10v_callback->printf_filtered) (d10v_callback, "0x00xxxxxx:  Logical data address segment		(DMAP translated memory)\n");
- 	(*d10v_callback->printf_filtered) (d10v_callback, "0x01xxxxxx:  Logical instruction address segment	(IMAP translated memory)\n");
- 	(*d10v_callback->printf_filtered) (d10v_callback, "0x10xxxxxx:  Physical data memory segment		(On-chip data memory)\n");
- 	(*d10v_callback->printf_filtered) (d10v_callback, "0x11xxxxxx:  Physical instruction memory segment	(On-chip insn memory)\n");
- 	(*d10v_callback->printf_filtered) (d10v_callback, "0x12xxxxxx:  Phisical unified memory segment		(Unified memory)\n");
-	return (0);
-      }
-    }
-
-  if (write_p)
-    {
-      memcpy (memory, buffer, size);
-    }
-  else
-    {
-      memcpy (buffer, memory, size);
-    }
-
-  return size;
-}
-
-
-int
-sim_write (sd, addr, buffer, size)
-     SIM_DESC sd;
-     SIM_ADDR addr;
-     unsigned char *buffer;
-     int size;
-{
-  /* FIXME: this should be performing a virtual transfer */
-  return xfer_mem( addr, buffer, size, 1);
-}
-
-int
-sim_read (sd, addr, buffer, size)
-     SIM_DESC sd;
-     SIM_ADDR addr;
-     unsigned char *buffer;
-     int size;
-{
-  /* FIXME: this should be performing a virtual transfer */
-  return xfer_mem( addr, buffer, size, 0);
-}
-
-
-SIM_DESC
-sim_open (kind, callback, abfd, argv)
-     SIM_OPEN_KIND kind;
-     host_callback *callback;
-     struct _bfd *abfd;
-     char **argv;
-{
-  struct simops *s;
-  struct hash_entry *h;
-  static int init_p = 0;
-  char **p;
-
-  sim_kind = kind;
-  d10v_callback = callback;
-  myname = argv[0];
-
-  for (p = argv + 1; *p; ++p)
-    {
-#ifdef DEBUG
-      if (strcmp (*p, "-t") == 0)
-	d10v_debug = DEBUG;
-      else
-#endif
-	(*d10v_callback->printf_filtered) (d10v_callback, "ERROR: unsupported option(s): %s\n",*p);
-    }
-  
-  /* put all the opcodes in the hash table */
-  if (!init_p++)
-    {
-      for (s = Simops; s->func; s++)
-	{
-	  h = &hash_table[hash(s->opcode,s->format)];
-      
-	  /* go to the last entry in the chain */
-	  while (h->next)
-	    h = h->next;
-
-	  if (h->ops)
-	    {
-	      h->next = (struct hash_entry *) calloc(1,sizeof(struct hash_entry));
-	      if (!h->next)
-		perror ("malloc failure");
-
-	      h = h->next;
-	    }
-	  h->ops = s;
-	  h->mask = s->mask;
-	  h->opcode = s->opcode;
-	  h->size = s->is_long;
-	}
-    }
-
-  /* reset the processor state */
-  if (!State.imem)
-    sim_size(1);
-  sim_create_inferior ((SIM_DESC) 1, NULL, NULL, NULL);
-
-  /* Fudge our descriptor.  */
-  return (SIM_DESC) 1;
-}
-
-
-void
-sim_close (sd, quitting)
-     SIM_DESC sd;
-     int quitting;
-{
-  if (prog_bfd != NULL && prog_bfd_was_opened_p)
-    {
-      bfd_close (prog_bfd);
-      prog_bfd = NULL;
-      prog_bfd_was_opened_p = 0;
-    }
-}
-
-void
-sim_set_profile (n)
-     int n;
-{
-  (*d10v_callback->printf_filtered) (d10v_callback, "sim_set_profile %d\n",n);
-}
-
-void
-sim_set_profile_size (n)
-     int n;
-{
-  (*d10v_callback->printf_filtered) (d10v_callback, "sim_set_profile_size %d\n",n);
-}
-
-
-uint8 *
-dmem_addr( addr )
-     uint32 addr;
-{
-  int seg;
-
-  addr &= 0xffff;
-
-  if (addr > 0xbfff)
-    {
-      if ( (addr & 0xfff0) != 0xff00)
-	{
-	  (*d10v_callback->printf_filtered) (d10v_callback, "Data address 0x%lx is in I/O space, pc = 0x%lx.\n",
-					     (long)addr, (long)decode_pc ());
-	  State.exception = SIGBUS;
-	}
-
-      return State.dmem + addr;
-    }
-  
-  if (addr > 0x7fff)
-    {
-      if (DMAP & 0x1000)
-	{
-	  /* instruction memory */
- 	  return (DMAP & 0xf) * 0x4000 + State.imem + (addr - 0x8000);
-	}
-      else 
-	{
-	  /* unified memory */
-	  /* this is ugly because we allocate unified memory in 128K segments and */
-	  /* dmap addresses 16k segments */
-	  seg = (DMAP & 0x3ff) >> 3;
-	  if (State.umem[seg] == NULL)
-	    {
-#ifdef DEBUG
-	      (*d10v_callback->printf_filtered) (d10v_callback,"Allocating %d bytes unified memory to region %d\n", 1<<UMEM_SIZE, seg);
-#endif
-	      State.umem[seg] = (uint8 *)calloc(1,1<<UMEM_SIZE);
-	      if (!State.umem[seg])
-		{
-		  (*d10v_callback->printf_filtered) (d10v_callback, 
-		      "ERROR:  alloc failed. unified memory region %d unmapped, pc = 0x%lx\n", 
-		      seg, (long)decode_pc ());
-		  State.exception = SIGBUS;
-		}
-	    }
-	  return State.umem[seg] + (DMAP & 7) * 0x4000 + (addr - 0x8000);
-	}
-    }
-  return State.dmem + addr;
-}
-
-
-uint8 *
-imem_addr (uint32 pc)
-{
-  uint16 imap;
-
-  if (pc & 0x20000)
-    imap = IMAP1;
-  else
-    imap = IMAP0;
-  
-  if (imap & 0x1000)
-    return State.imem + pc;
-
-  if (State.umem[imap & 0xff] == NULL)
-    return 0;
-
-  /* Discard upper bit(s) of PC in case IMAP1 selects unified memory. */
-  pc &= (1 << UMEM_SIZE) - 1;
-
-  return State.umem[imap & 0xff] + pc;
-}
-
-
-static int stop_simulator = 0;
-
-int
-sim_stop (sd)
-     SIM_DESC sd;
-{
-  stop_simulator = 1;
-  return 1;
-}
-
-
-/* Run (or resume) the program.  */
-void
-sim_resume (sd, step, siggnal)
-     SIM_DESC sd;
-     int step, siggnal;
-{
-  uint32 inst;
-  int do_iba;
-  uint8 *iaddr;
-
-/*   (*d10v_callback->printf_filtered) (d10v_callback, "sim_resume (%d,%d)  PC=0x%x\n",step,siggnal,PC); */
-  State.exception = 0;
-  if (step)
-    sim_stop (sd);
-
-  do
-    {
-      iaddr = imem_addr ((uint32)PC << 2);
-      if (iaddr == NULL)
- 	{
- 	  State.exception = SIGBUS;
- 	  break;
- 	}
- 
-      inst = get_longword( iaddr ); 
- 
-      State.pc_changed = 0;
-      ins_type_counters[ (int)INS_CYCLES ]++;
-      
-      /* check to see if IBA should be triggered after
-	 this instruction */
-      if (State.DB && (PC == IBA))
-	do_iba = 1;
-      else
-	do_iba = 0;
-
-      switch (inst & 0xC0000000)
-	{
-	case 0xC0000000:
-	  /* long instruction */
-	  do_long (inst & 0x3FFFFFFF);
-	  break;
-	case 0x80000000:
-	  /* R -> L */
-	  do_2_short ( inst & 0x7FFF, (inst & 0x3FFF8000) >> 15, RIGHT_FIRST);
-	  break;
-	case 0x40000000:
-	  /* L -> R */
-	  do_2_short ((inst & 0x3FFF8000) >> 15, inst & 0x7FFF, LEFT_FIRST);
-	  break;
-	case 0:
-	  do_parallel ((inst & 0x3FFF8000) >> 15, inst & 0x7FFF);
-	  break;
-	}
-      
-      /* calculate the next PC */
-      if (!State.pc_changed)
-	{
-	  if (State.RP && PC == RPT_E)
-	    {
-	      /* Note: The behavour of a branch instruction at RPT_E
-                 is implementation dependant, this simulator takes the
-                 branch.  Branching to RPT_E is valid, the instruction
-                 must be executed before the loop is taken.  */
-	      RPT_C -= 1;
-	      if (RPT_C == 0)
-		{
-		  State.RP = 0;
-		  PC++;
-		}
-	      else
-		PC = RPT_S;
-	    }
-	  else
-	    PC++;
-	}
-      
-      if (do_iba)
-	{
-	  BPC = PC;
-	  move_to_cr (BPSW_CR, PSW);
-	  move_to_cr (PSW_CR, PSW & PSW_SM_BIT);
-	  PC = SDBT_VECTOR_START;
-	}
-    }
-  while ( !State.exception && !stop_simulator);
-  
-  if (step && !State.exception)
-    State.exception = SIGTRAP;
-}
-
-int
-sim_trace (sd)
-     SIM_DESC sd;
-{
-#ifdef DEBUG
-  d10v_debug = DEBUG;
-#endif
-  sim_resume (sd, 0, 0);
-  return 1;
-}
-
-void
-sim_info (sd, verbose)
-     SIM_DESC sd;
-     int verbose;
-{
-  char buf1[40];
-  char buf2[40];
-  char buf3[40];
-  char buf4[40];
-  char buf5[40];
-  unsigned long left		= ins_type_counters[ (int)INS_LEFT ] + ins_type_counters[ (int)INS_LEFT_COND_EXE ];
-  unsigned long left_nops	= ins_type_counters[ (int)INS_LEFT_NOPS ];
-  unsigned long left_parallel	= ins_type_counters[ (int)INS_LEFT_PARALLEL ];
-  unsigned long left_cond	= ins_type_counters[ (int)INS_LEFT_COND_TEST ];
-  unsigned long left_total	= left + left_parallel + left_cond + left_nops;
-
-  unsigned long right		= ins_type_counters[ (int)INS_RIGHT ] + ins_type_counters[ (int)INS_RIGHT_COND_EXE ];
-  unsigned long right_nops	= ins_type_counters[ (int)INS_RIGHT_NOPS ];
-  unsigned long right_parallel	= ins_type_counters[ (int)INS_RIGHT_PARALLEL ];
-  unsigned long right_cond	= ins_type_counters[ (int)INS_RIGHT_COND_TEST ];
-  unsigned long right_total	= right + right_parallel + right_cond + right_nops;
-
-  unsigned long unknown		= ins_type_counters[ (int)INS_UNKNOWN ];
-  unsigned long ins_long	= ins_type_counters[ (int)INS_LONG ];
-  unsigned long parallel	= ins_type_counters[ (int)INS_PARALLEL ];
-  unsigned long leftright	= ins_type_counters[ (int)INS_LEFTRIGHT ];
-  unsigned long rightleft	= ins_type_counters[ (int)INS_RIGHTLEFT ];
-  unsigned long cond_true	= ins_type_counters[ (int)INS_COND_TRUE ];
-  unsigned long cond_false	= ins_type_counters[ (int)INS_COND_FALSE ];
-  unsigned long cond_jump	= ins_type_counters[ (int)INS_COND_JUMP ];
-  unsigned long cycles		= ins_type_counters[ (int)INS_CYCLES ];
-  unsigned long total		= (unknown + left_total + right_total + ins_long);
-
-  int size			= strlen (add_commas (buf1, sizeof (buf1), total));
-  int parallel_size		= strlen (add_commas (buf1, sizeof (buf1),
-						      (left_parallel > right_parallel) ? left_parallel : right_parallel));
-  int cond_size			= strlen (add_commas (buf1, sizeof (buf1), (left_cond > right_cond) ? left_cond : right_cond));
-  int nop_size			= strlen (add_commas (buf1, sizeof (buf1), (left_nops > right_nops) ? left_nops : right_nops));
-  int normal_size		= strlen (add_commas (buf1, sizeof (buf1), (left > right) ? left : right));
-
-  (*d10v_callback->printf_filtered) (d10v_callback,
-				     "executed %*s left  instruction(s), %*s normal, %*s parallel, %*s EXExxx, %*s nops\n",
-				     size, add_commas (buf1, sizeof (buf1), left_total),
-				     normal_size, add_commas (buf2, sizeof (buf2), left),
-				     parallel_size, add_commas (buf3, sizeof (buf3), left_parallel),
-				     cond_size, add_commas (buf4, sizeof (buf4), left_cond),
-				     nop_size, add_commas (buf5, sizeof (buf5), left_nops));
-
-  (*d10v_callback->printf_filtered) (d10v_callback,
-				     "executed %*s right instruction(s), %*s normal, %*s parallel, %*s EXExxx, %*s nops\n",
-				     size, add_commas (buf1, sizeof (buf1), right_total),
-				     normal_size, add_commas (buf2, sizeof (buf2), right),
-				     parallel_size, add_commas (buf3, sizeof (buf3), right_parallel),
-				     cond_size, add_commas (buf4, sizeof (buf4), right_cond),
-				     nop_size, add_commas (buf5, sizeof (buf5), right_nops));
-
-  if (ins_long)
-    (*d10v_callback->printf_filtered) (d10v_callback,
-				       "executed %*s long instruction(s)\n",
-				       size, add_commas (buf1, sizeof (buf1), ins_long));
-
-  if (parallel)
-    (*d10v_callback->printf_filtered) (d10v_callback,
-				       "executed %*s parallel instruction(s)\n",
-				       size, add_commas (buf1, sizeof (buf1), parallel));
-
-  if (leftright)
-    (*d10v_callback->printf_filtered) (d10v_callback,
-				       "executed %*s instruction(s) encoded L->R\n",
-				       size, add_commas (buf1, sizeof (buf1), leftright));
-
-  if (rightleft)
-    (*d10v_callback->printf_filtered) (d10v_callback,
-				       "executed %*s instruction(s) encoded R->L\n",
-				       size, add_commas (buf1, sizeof (buf1), rightleft));
-
-  if (unknown)
-    (*d10v_callback->printf_filtered) (d10v_callback,
-				       "executed %*s unknown instruction(s)\n",
-				       size, add_commas (buf1, sizeof (buf1), unknown));
-
-  if (cond_true)
-    (*d10v_callback->printf_filtered) (d10v_callback,
-				       "executed %*s instruction(s) due to EXExxx condition being true\n",
-				       size, add_commas (buf1, sizeof (buf1), cond_true));
-
-  if (cond_false)
-    (*d10v_callback->printf_filtered) (d10v_callback,
-				       "skipped  %*s instruction(s) due to EXExxx condition being false\n",
-				       size, add_commas (buf1, sizeof (buf1), cond_false));
-
-  if (cond_jump)
-    (*d10v_callback->printf_filtered) (d10v_callback,
-				       "skipped  %*s instruction(s) due to conditional branch succeeding\n",
-				       size, add_commas (buf1, sizeof (buf1), cond_jump));
-
-  (*d10v_callback->printf_filtered) (d10v_callback,
-				     "executed %*s cycle(s)\n",
-				     size, add_commas (buf1, sizeof (buf1), cycles));
-
-  (*d10v_callback->printf_filtered) (d10v_callback,
-				     "executed %*s total instructions\n",
-				     size, add_commas (buf1, sizeof (buf1), total));
-}
-
-SIM_RC
-sim_create_inferior (sd, abfd, argv, env)
-     SIM_DESC sd;
-     struct _bfd *abfd;
-     char **argv;
-     char **env;
-{
-  bfd_vma start_address;
-
-  /* reset all state information */
-  memset (&State.regs, 0, (int)&State.imem - (int)&State.regs[0]);
-
-  if (argv)
-    {
-      /* a hack to set r0/r1 with argc/argv */
-      /* some high memory that won't be overwritten by the stack soon */
-      bfd_vma addr = State.regs[0] = 0x7C00;
-      int p = 20;
-      int i = 0;
-      while (argv[i])
- 	{
- 	  int size = strlen (argv[i]) + 1;
- 	  SW (addr + 2*i, addr + p); 
- 	  sim_write (sd, addr + 0, argv[i], size);
- 	  p += size;
- 	  i++;
- 	}
-      State.regs[1] = i;
-    }
-
-  /* set PC */
-  if (abfd != NULL)
-    start_address = bfd_get_start_address (abfd);
-  else
-    start_address = 0xffc0 << 2;
-#ifdef DEBUG
-  if (d10v_debug)
-    (*d10v_callback->printf_filtered) (d10v_callback, "sim_create_inferior:  PC=0x%lx\n", (long) start_address);
-#endif
-  PC = start_address >> 2;
-
-  /* cpu resets imap0 to 0 and imap1 to 0x7f, but D10V-EVA board */
-  /* resets imap0 and imap1 to 0x1000. */
-  if (1)
-    {
-      SET_IMAP0 (0x0000);
-      SET_IMAP1 (0x007f);
-      SET_DMAP (0x0000);
-    }
-  else
-    {
-      SET_IMAP0(0x1000);
-      SET_IMAP1(0x1000);
-      SET_DMAP(0);
-    }
-
-  return SIM_RC_OK;
-}
-
-
-void
-sim_set_callbacks (p)
-     host_callback *p;
-{
-  d10v_callback = p;
-}
-
-void
-sim_stop_reason (sd, reason, sigrc)
-     SIM_DESC sd;
-     enum sim_stop *reason;
-     int *sigrc;
-{
-/*   (*d10v_callback->printf_filtered) (d10v_callback, "sim_stop_reason:  PC=0x%x\n",PC<<2); */
-
-  switch (State.exception)
-    {
-    case SIG_D10V_STOP:			/* stop instruction */
-      *reason = sim_exited;
-      *sigrc = 0;
-      break;
-
-    case SIG_D10V_EXIT:			/* exit trap */
-      *reason = sim_exited;
-      *sigrc = State.regs[0];
-      break;
-
-    default:				/* some signal */
-      *reason = sim_stopped;
-      if (stop_simulator && !State.exception)
-	*sigrc = SIGINT;
-      else
-	*sigrc = State.exception;
-      break;
-    }
-
-  stop_simulator = 0;
-}
-
-void
-sim_fetch_register (sd, rn, memory)
-     SIM_DESC sd;
-     int rn;
-     unsigned char *memory;
-{
-  if (rn > 34)
-    WRITE_64 (memory, State.a[rn-35]);
-  else if (rn == 32)
-    WRITE_16 (memory, IMAP0);
-  else if (rn == 33)
-    WRITE_16 (memory, IMAP1);
-  else if (rn == 34)
-    WRITE_16 (memory, DMAP);
-  else if (rn >= 16)
-    WRITE_16 (memory, move_from_cr (rn - 16));
-  else
-    WRITE_16 (memory, State.regs[rn]);
-}
- 
-void
-sim_store_register (sd, rn, memory)
-     SIM_DESC sd;
-     int rn;
-     unsigned char *memory;
-{
-  if (rn > 34)
-    State.a[rn-35] =  READ_64 (memory) & MASK40;
-  else if (rn == 34)
-    SET_DMAP( READ_16(memory) );
-  else if (rn == 33)
-    SET_IMAP1( READ_16(memory) );
-  else if (rn == 32)
-    SET_IMAP0( READ_16(memory) );
-  else if (rn >= 16)
-    move_to_cr (rn - 16, READ_16 (memory));
-  else
-    State.regs[rn]= READ_16 (memory);
-}
-
-
-void
-sim_do_command (sd, cmd)
-     SIM_DESC sd;
-     char *cmd;
-{ 
-  (*d10v_callback->printf_filtered) (d10v_callback, "sim_do_command: %s\n",cmd);
-}
-
-SIM_RC
-sim_load (sd, prog, abfd, from_tty)
-     SIM_DESC sd;
-     char *prog;
-     bfd *abfd;
-     int from_tty;
-{
-  extern bfd *sim_load_file (); /* ??? Don't know where this should live.  */
-
-  if (prog_bfd != NULL && prog_bfd_was_opened_p)
-    {
-      bfd_close (prog_bfd);
-      prog_bfd_was_opened_p = 0;
-    }
-  prog_bfd = sim_load_file (sd, myname, d10v_callback, prog, abfd,
-			    sim_kind == SIM_OPEN_DEBUG,
-			    1/*LMA*/, sim_write);
-  if (prog_bfd == NULL)
-    return SIM_RC_FAIL;
-  prog_bfd_was_opened_p = abfd == NULL;
-  return SIM_RC_OK;
-}