sim: arm: delete unused code

These vestiges of the 20 year old emulator are just getting in the way.
Punt all the dead code we either don't compile or don't use.

23 files changed, 34 insertions, 3651 deletions

diff --git a/sim/arm/ChangeLog b/sim/arm/ChangeLog
index dec5dc5..d60ac4b 100644
--- a/sim/arm/ChangeLog
+++ b/sim/arm/ChangeLog
@@ -1,3 +1,36 @@
+2015-12-25  Mike Frysinger  <vapier@gentoo.org>
+
+	* Makefile.in (SIM_OBJS): Delete bag.o.
+	* armdefs.h (struct ARMul_State): Delete ErrorCode.
+	(ResetPin, FIQPin, IRQPin, AbortPin, TransPin, BigEndPin, Prog32Pin,
+	Data32Pin, LateAbortPin, ARMul_OSExit, ARMul_OSLastErrorP,
+	ARMul_Debug, ARMul_OSException,rdi_log, SpinCursor, HOURGLASS,
+	HOURGLASS_RATE): Delete.
+	* armemu.c (ARMul_Emulate26): Delete ARMul_Debug call.
+	* arminit.c (ARMul_Reset): Do not set state->ErrorCode.
+	(ARMul_Abort): Delete ARMul_OSException call.
+	* armopts.h: Delete file.
+	* armos.c (isatty_, ARMul_OSExit, ARMul_OSException,
+	ARMul_OSLastErrorP, ARMul_Debug, BUFFERSIZE, UNIQUETEMPS, NOOP,
+	BINARY, READOP, WRITEOP, FIXCRLF): Delete.
+	(struct OSblock): Delete Time0, ErrorP, FileTable, FileFlags, and
+	tempnames.
+	(ARMul_OSInit): Do not set OSptr->ErrorP, OSptr->FileTable, or
+	OSptr->tempnames.
+	* armrdi.c: Delete file.
+	* armvirt.c: Delete armopts.h include.
+	(ARMul_LoadInstrS): Delete HOURGLASS logic.
+	* bag.c, bag.h, communicate.c, communicate.h, dbg_conf.h, dbg_cp.h,
+	dbg_hif.h: Delete files.
+	* dbg_rdi.h (RDP_*, RDI*): Delete defines.
+	(PointHandle, ThreadHandle, Dbg_ConfigBlock, Dbg_HostosInterface,
+	Dbg_MCState, getbufferproc): Delete.
+	(rdi_*): Delete Functions.
+	(RDI_ConfigAspect, RDI_ConfigMatchType, RDI_NameList): Delete
+	(struct RDIProcVec): Delete.
+	* gdbhost.c, gdbhost.h, kid.c, main.c, parent.c: Delete files.
+	* wrapper.c (ARMul_Debug): Delete.
+
 2015-12-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 
 	* thumbemu.c (handle_T2_insn): Fix left shift of negative value.
diff --git a/sim/arm/Makefile.in b/sim/arm/Makefile.in
index 1eeec25..d23da0a 100644
--- a/sim/arm/Makefile.in
+++ b/sim/arm/Makefile.in
@@ -25,7 +25,7 @@ SIM_OBJS = \
 	$(SIM_NEW_COMMON_OBJS) \
 	sim-hload.o \
 	armemu26.o armemu32.o arminit.o armos.o armsupp.o \
-	armvirt.o bag.o thumbemu.o \
+	armvirt.o thumbemu.o \
 	armcopro.o maverick.o iwmmxt.o
 
 ## COMMON_POST_CONFIG_FRAG
diff --git a/sim/arm/armdefs.h b/sim/arm/armdefs.h
index 4595e56..2b5ff9b 100644
--- a/sim/arm/armdefs.h
+++ b/sim/arm/armdefs.h
@@ -72,7 +72,6 @@ struct ARMul_State
 {
   ARMword Emulate;		/* to start and stop emulation */
   unsigned EndCondition;	/* reason for stopping */
-  unsigned ErrorCode;		/* type of illegal instruction */
   ARMword Reg[16];		/* the current register file */
   ARMword RegBank[7][16];	/* all the registers */
   /* 40 bit accumulator.  We always keep this 64 bits wide,
@@ -162,16 +161,6 @@ struct ARMul_State
   ARMword      FPSCR;		/* Floating Point Status Register.  */
 };
 
-#define ResetPin NresetSig
-#define FIQPin NfiqSig
-#define IRQPin NirqSig
-#define AbortPin abortSig
-#define TransPin NtransSig
-#define BigEndPin bigendSig
-#define Prog32Pin prog32Sig
-#define Data32Pin data32Sig
-#define LateAbortPin lateabtSig
-
 /***************************************************************************\
 *                        Properties of ARM we know about                    *
 \***************************************************************************/
@@ -417,25 +406,12 @@ extern int XScale_debug_moe (ARMul_State * state, int moe);
 \***************************************************************************/
 
 extern unsigned ARMul_OSInit (ARMul_State * state);
-extern void ARMul_OSExit (ARMul_State * state);
 extern unsigned ARMul_OSHandleSWI (ARMul_State * state, ARMword number);
-extern ARMword ARMul_OSLastErrorP (ARMul_State * state);
-
-extern ARMword ARMul_Debug (ARMul_State * state, ARMword pc, ARMword instr);
-extern unsigned ARMul_OSException (ARMul_State * state, ARMword vector,
-				   ARMword pc);
-extern int rdi_log;
 
 /***************************************************************************\
 *                            Host-dependent stuff                           *
 \***************************************************************************/
 
-#ifdef macintosh
-pascal void SpinCursor (short increment);	/* copied from CursorCtl.h */
-# define HOURGLASS           SpinCursor( 1 )
-# define HOURGLASS_RATE      1023	/* 2^n - 1 */
-#endif
-
 extern void ARMul_UndefInstr      (ARMul_State *, ARMword);
 extern void ARMul_FixCPSR         (ARMul_State *, ARMword, ARMword);
 extern void ARMul_FixSPSR         (ARMul_State *, ARMword, ARMword);
diff --git a/sim/arm/armemu.c b/sim/arm/armemu.c
index 3826c78..5fde3fd 100644
--- a/sim/arm/armemu.c
+++ b/sim/arm/armemu.c
@@ -1293,7 +1293,6 @@ ARMul_Emulate26 (ARMul_State * state)
 
       if (state->CallDebug > 0)
 	{
-	  instr = ARMul_Debug (state, pc, instr);
 	  if (state->Emulate < ONCE)
 	    {
 	      state->NextInstr = RESUME;
diff --git a/sim/arm/arminit.c b/sim/arm/arminit.c
index dd7808a..851d356 100644
--- a/sim/arm/arminit.c
+++ b/sim/arm/arminit.c
@@ -198,7 +198,6 @@ ARMul_Reset (ARMul_State * state)
   FLUSHPIPE;
 
   state->EndCondition = 0;
-  state->ErrorCode = 0;
 
   state->Exception = FALSE;
   state->NresetSig = HIGH;
@@ -280,9 +279,6 @@ ARMul_Abort (ARMul_State * state, ARMword vector)
 
   state->Aborted = FALSE;
 
-  if (ARMul_OSException (state, vector, ARMul_GetPC (state)))
-    return;
-
   if (state->prog32Sig)
     if (ARMul_MODE26BIT)
       temp = R15PC;
diff --git a/sim/arm/armopts.h b/sim/arm/armopts.h
deleted file mode 100644
index 57dc749..0000000
--- a/sim/arm/armopts.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*  armopts.h -- ARMulator configuration options:  ARM6 Instruction Emulator.
-    Copyright (C) 1994 Advanced RISC Machines Ltd.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, see <http://www.gnu.org/licenses/>. */
-
-/* Define one of ARM60 or ARM61.  */
-#ifndef ARM60
-#ifndef ARM61
-#define ARM60
-#endif
-#endif
diff --git a/sim/arm/armos.c b/sim/arm/armos.c
index 6adfd94..c49036f 100644
--- a/sim/arm/armos.c
+++ b/sim/arm/armos.c
@@ -38,23 +38,6 @@
 #include <unistd.h>		/* For SEEK_SET etc.  */
 #endif
 
-#ifdef __riscos
-extern int _fisatty (FILE *);
-#define isatty_(f) _fisatty(f)
-#else
-#ifdef __ZTC__
-#include <io.h>
-#define isatty_(f) isatty((f)->_file)
-#else
-#ifdef macintosh
-#include <ioctl.h>
-#define isatty_(f) (~ioctl ((f)->_file, FIOINTERACTIVE, NULL))
-#else
-#define isatty_(f) isatty (fileno (f))
-#endif
-#endif
-#endif
-
 #include "armdefs.h"
 #include "armos.h"
 #include "armemu.h"
@@ -74,17 +57,11 @@ extern int _fisatty (FILE *);
 extern host_callback *sim_callback;
 
 extern unsigned ARMul_OSInit       (ARMul_State *);
-extern void     ARMul_OSExit       (ARMul_State *);
 extern unsigned ARMul_OSHandleSWI  (ARMul_State *, ARMword);
-extern unsigned ARMul_OSException  (ARMul_State *, ARMword, ARMword);
-extern ARMword  ARMul_OSLastErrorP (ARMul_State *);
-extern ARMword  ARMul_Debug        (ARMul_State *, ARMword, ARMword);
 
-#define BUFFERSIZE 4096
 #ifndef FOPEN_MAX
 #define FOPEN_MAX 64
 #endif
-#define UNIQUETEMPS 256
 #ifndef PATH_MAX
 #define PATH_MAX 1024
 #endif
@@ -93,28 +70,9 @@ extern ARMword  ARMul_Debug        (ARMul_State *, ARMword, ARMword);
 
 struct OSblock
 {
-  ARMword Time0;
-  ARMword ErrorP;
   ARMword ErrorNo;
-  FILE *FileTable[FOPEN_MAX];
-  char FileFlags[FOPEN_MAX];
-  char *tempnames[UNIQUETEMPS];
 };
 
-#define NOOP 0
-#define BINARY 1
-#define READOP 2
-#define WRITEOP 4
-
-#ifdef macintosh
-#define FIXCRLF(t,c) ((t & BINARY) ? \
-                      c : \
-                      ((c == '\n' || c == '\r' ) ? (c ^ 7) : c) \
-                     )
-#else
-#define FIXCRLF(t,c) c
-#endif
-
 /* Bit mask of enabled SWI implementations.  */
 unsigned int swi_mask = -1;
 
@@ -159,7 +117,6 @@ ARMul_OSInit (ARMul_State * state)
     }
 
   OSptr = (struct OSblock *) state->OSptr;
-  OSptr->ErrorP = 0;
   state->Reg[13] = ADDRSUPERSTACK;			/* Set up a stack for the current mode...  */
   ARMul_SetReg (state, SVC32MODE,   13, ADDRSUPERSTACK);/* ...and for supervisor mode...  */
   ARMul_SetReg (state, ABORT32MODE, 13, ADDRSUPERSTACK);/* ...and for abort 32 mode...  */
@@ -183,12 +140,6 @@ ARMul_OSInit (ARMul_State * state)
   for (i = 0; i < sizeof (softvectorcode); i += 4)
     ARMul_WriteWord (state, SOFTVECTORCODE + i, softvectorcode[i / 4]);
 
-  for (i = 0; i < FOPEN_MAX; i++)
-    OSptr->FileTable[i] = NULL;
-
-  for (i = 0; i < UNIQUETEMPS; i++)
-    OSptr->tempnames[i] = NULL;
-
   ARMul_ConsolePrint (state, ", Demon 1.01");
 
 /* #ifndef ASIM */
@@ -234,20 +185,6 @@ ARMul_OSInit (ARMul_State * state)
    return TRUE;
 }
 
-void
-ARMul_OSExit (ARMul_State * state)
-{
-  free ((char *) state->OSptr);
-}
-
-
-/* Return the last Operating System Error.  */
-
-ARMword ARMul_OSLastErrorP (ARMul_State * state)
-{
-  return ((struct OSblock *) state->OSptr)->ErrorP;
-}
-
 static int translate_open_mode[] =
 {
   TARGET_O_RDONLY,		/* "r"   */
@@ -925,22 +862,3 @@ ARMul_OSHandleSWI (ARMul_State * state, ARMword number)
 
   return TRUE;
 }
-
-#ifndef NOOS
-#ifndef ASIM
-
-/* The emulator calls this routine when an Exception occurs.  The second
-   parameter is the address of the relevant exception vector.  Returning
-   FALSE from this routine causes the trap to be taken, TRUE causes it to
-   be ignored (so set state->Emulate to FALSE!).  */
-
-unsigned
-ARMul_OSException (ARMul_State * state  ATTRIBUTE_UNUSED,
-		   ARMword       vector ATTRIBUTE_UNUSED,
-		   ARMword       pc     ATTRIBUTE_UNUSED)
-{
-  return FALSE;
-}
-
-#endif
-#endif /* NOOS */
diff --git a/sim/arm/armrdi.c b/sim/arm/armrdi.c
deleted file mode 100644
index e9ef77d..0000000
--- a/sim/arm/armrdi.c
+++ /dev/null
@@ -1,1246 +0,0 @@
-/*  armrdi.c -- ARMulator RDI interface:  ARM6 Instruction Emulator.
-    Copyright (C) 1994 Advanced RISC Machines Ltd.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, see <http://www.gnu.org/licenses/>. */
-
-#include <string.h>
-#include <ctype.h>
-#include "armdefs.h"
-#include "armemu.h"
-#include "armos.h"
-#include "dbg_cp.h"
-#include "dbg_conf.h"
-#include "dbg_rdi.h"
-#include "dbg_hif.h"
-#include "communicate.h"
-
-/***************************************************************************\
-*                               Declarations                                *
-\***************************************************************************/
-
-#define Watch_AnyRead (RDIWatch_ByteRead+RDIWatch_HalfRead+RDIWatch_WordRead)
-#define Watch_AnyWrite (RDIWatch_ByteWrite+RDIWatch_HalfWrite+RDIWatch_WordWrite)
-
-static unsigned FPRegsAddr;	/* last known address of FPE regs */
-#define FPESTART 0x2000L
-#define FPEEND   0x8000L
-
-#define IGNORE(d) (d = d)
-#ifdef RDI_VERBOSE
-#define TracePrint(s) \
- if (rdi_log & 1) ARMul_DebugPrint s
-#else
-#define TracePrint(s)
-#endif
-
-static ARMul_State *state = NULL;
-static unsigned BreaksSet;	/* The number of breakpoints set */
-
-static int rdi_log = 0;		/* debugging  ? */
-
-#define LOWEST_RDI_LEVEL 0
-#define HIGHEST_RDI_LEVEL 1
-static int MYrdi_level = LOWEST_RDI_LEVEL;
-
-typedef struct BreakNode BreakNode;
-typedef struct WatchNode WatchNode;
-
-struct BreakNode
-{				/* A breakpoint list node */
-  BreakNode *next;
-  ARMword address;		/* The address of this breakpoint */
-  unsigned type;		/* The type of comparison */
-  ARMword bound;		/* The other address for a range */
-  ARMword inst;
-};
-
-struct WatchNode
-{				/* A watchpoint list node */
-  WatchNode *next;
-  ARMword address;		/* The address of this watchpoint */
-  unsigned type;		/* The type of comparison */
-  unsigned datatype;		/* The type of access to watch for */
-  ARMword bound;		/* The other address for a range */
-};
-
-BreakNode *BreakList = NULL;
-WatchNode *WatchList = NULL;
-
-void
-ARMul_DebugPrint_i (const Dbg_HostosInterface * hostif, const char *format,
-		    ...)
-{
-  va_list ap;
-  va_start (ap, format);
-  hostif->dbgprint (hostif->dbgarg, format, ap);
-  va_end (ap);
-}
-
-void
-ARMul_DebugPrint (ARMul_State * state, const char *format, ...)
-{
-  va_list ap;
-  va_start (ap, format);
-  if (!(rdi_log & 8))
-    state->hostif->dbgprint (state->hostif->dbgarg, format, ap);
-  va_end (ap);
-}
-
-#define CONSOLE_PRINT_MAX_LEN 128
-
-void
-ARMul_ConsolePrint (ARMul_State * state, const char *format, ...)
-{
-  va_list ap;
-  int ch;
-  char *str, buf[CONSOLE_PRINT_MAX_LEN];
-  int i, j;
-  ARMword junk;
-
-  va_start (ap, format);
-  vsprintf (buf, format, ap);
-
-  for (i = 0; buf[i]; i++);	/* The string is i chars long */
-
-  str = buf;
-  while (i >= 32)
-    {
-      MYwrite_char (kidmum[1], RDP_OSOp);
-      MYwrite_word (kidmum[1], SWI_Write0);
-      MYwrite_char (kidmum[1], OS_SendString);
-      MYwrite_char (kidmum[1], 32);	/* Send string 32bytes at a time */
-      for (j = 0; j < 32; j++, str++)
-	MYwrite_char (kidmum[1], *str);
-      wait_for_osreply (&junk);
-      i -= 32;
-    }
-
-  if (i > 0)
-    {
-      MYwrite_char (kidmum[1], RDP_OSOp);
-      MYwrite_word (kidmum[1], SWI_Write0);
-      MYwrite_char (kidmum[1], OS_SendString);
-      MYwrite_char (kidmum[1], (unsigned char) i);	/* Send remainder of string  */
-      for (j = 0; j < i; j++, str++)
-	MYwrite_char (kidmum[1], *str);
-      wait_for_osreply (&junk);
-    }
-
-  va_end (ap);
-  return;
-
-/*   str = buf; */
-/*   while ((ch=*str++) != 0) */
-/*     state->hostif->writec(state->hostif->hostosarg, ch); */
-}
-
-void
-ARMul_DebugPause (ARMul_State * state)
-{
-  if (!(rdi_log & 8))
-    state->hostif->dbgpause (state->hostif->dbgarg);
-}
-
-/***************************************************************************\
-*                                 RDI_open                                  *
-\***************************************************************************/
-
-static void
-InitFail (int exitcode, char const *which)
-{
-  ARMul_ConsolePrint (state, "%s interface failed to initialise. Exiting\n",
-		      which);
-  exit (exitcode);
-}
-
-static void
-RDIInit (unsigned type)
-{
-  if (type == 0)
-    {				/* cold start */
-      state->CallDebug = state->MemReadDebug = state->MemWriteDebug = 0;
-      BreaksSet = 0;
-    }
-}
-
-#define UNKNOWNPROC 0
-
-typedef struct
-{
-  char name[16];
-  unsigned properties;
-}
-Processor;
-
-Processor const p_arm2 =    { "ARM2",   ARM_Fix26_Prop };
-Processor const p_arm2as =  { "ARM2AS", ARM_Fix26_Prop };
-Processor const p_arm61 =   { "ARM61",  ARM_Fix26_Prop };
-Processor const p_arm3 =    { "ARM3",   ARM_Fix26_Prop };
-Processor const p_arm6 =    { "ARM6",   ARM_Lock_Prop };
-Processor const p_arm60 =   {  "ARM60", ARM_Lock_Prop };
-Processor const p_arm600 =  { "ARM600", ARM_Lock_Prop };
-Processor const p_arm610 =  { "ARM610", ARM_Lock_Prop };
-Processor const p_arm620 =  { "ARM620", ARM_Lock_Prop };
-Processor const p_unknown = { "",       0 };
-
-Processor const *const processors[] =
-{
-  &p_arm6,			/* default: must come first */
-  &p_arm2,
-  &p_arm2as,
-  &p_arm61,
-  &p_arm3,
-  &p_arm60,
-  &p_arm600,
-  &p_arm610,
-  &p_arm620,
-  &p_unknown
-};
-
-typedef struct ProcessorConfig ProcessorConfig;
-struct ProcessorConfig
-{
-  long id[2];
-  ProcessorConfig const *self;
-  long count;
-  Processor const *const *processors;
-};
-
-ProcessorConfig const processorconfig = {
-  {((((((long) 'x' << 8) | ' ') << 8) | 'c') << 8) | 'p',
-   ((((((long) 'u' << 8) | 's') << 8) | ' ') << 8) | 'x'},
-  &processorconfig,
-  16,
-  processors
-};
-
-static int
-RDI_open (unsigned type, const Dbg_ConfigBlock * config,
-	  const Dbg_HostosInterface * hostif, struct Dbg_MCState *dbg_state)
-/* Initialise everything */
-{
-  int virgin = (state == NULL);
-  IGNORE (dbg_state);
-
-#ifdef RDI_VERBOSE
-  if (rdi_log & 1)
-    {
-      if (virgin)
-	ARMul_DebugPrint_i (hostif, "RDI_open: type = %d\n", type);
-      else
-	ARMul_DebugPrint (state, "RDI_open: type = %d\n", type);
-    }
-#endif
-
-  if (type & 1)
-    {				/* Warm start */
-      ARMul_Reset (state);
-      RDIInit (1);
-    }
-  else
-    {
-      if (virgin)
-	{
-	  ARMul_EmulateInit ();
-	  state = ARMul_NewState ();
-	  state->hostif = hostif;
-	  {
-	    int req = config->processor;
-	    unsigned processor = processors[req]->val;
-	    ARMul_SelectProcessor (state, processor);
-	    ARMul_Reset (state);
-	    ARMul_ConsolePrint (state, "ARMulator V1.50, %s",
-				processors[req]->name);
-	  }
-	  if (ARMul_MemoryInit (state, config->memorysize) == FALSE)
-	    InitFail (1, "Memory");
-	  if (config->bytesex != RDISex_DontCare)
-	    state->bigendSig = config->bytesex;
-	  if (ARMul_CoProInit (state) == FALSE)
-	    InitFail (2, "Co-Processor");
-	  if (ARMul_OSInit (state) == FALSE)
-	    InitFail (3, "Operating System");
-	}
-      ARMul_Reset (state);
-      RDIInit (0);
-    }
-  if (type & 2)
-    {				/* Reset the comms link */
-      /* what comms link ? */
-    }
-  if (virgin && (type & 1) == 0)	/* Cold start */
-    ARMul_ConsolePrint (state, ", %s endian.\n",
-			state->bigendSig ? "Big" : "Little");
-
-  if (config->bytesex == RDISex_DontCare)
-    return (state->bigendSig ? RDIError_BigEndian : RDIError_LittleEndian);
-  else
-    return (RDIError_NoError);
-}
-
-/***************************************************************************\
-*                                RDI_close                                  *
-\***************************************************************************/
-
-static int
-RDI_close (void)
-{
-  TracePrint ((state, "RDI_close\n"));
-  ARMul_OSExit (state);
-  ARMul_CoProExit (state);
-  ARMul_MemoryExit (state);
-  return (RDIError_NoError);
-}
-
-/***************************************************************************\
-*                                 RDI_read                                  *
-\***************************************************************************/
-
-static int
-RDI_read (ARMword source, void *dest, unsigned *nbytes)
-{
-  unsigned i;
-  char *memptr = (char *) dest;
-
-  TracePrint ((state, "RDI_read: source=%.8lx dest=%p nbytes=%.8x\n",
-	       source, dest, *nbytes));
-
-  for (i = 0; i < *nbytes; i++)
-    *memptr++ = (char) ARMul_ReadByte (state, source++);
-  if (state->abortSig)
-    {
-      state->abortSig = LOW;
-      return (RDIError_DataAbort);
-    }
-  return (RDIError_NoError);
-}
-
-/***************************************************************************\
-*                                  RDI_write                                *
-\***************************************************************************/
-
-static int
-RDI_write (const void *source, ARMword dest, unsigned *nbytes)
-{
-  unsigned i;
-  char *memptr = (char *) source;
-
-  TracePrint ((state, "RDI_write: source=%p dest=%.8lx nbytes=%.8x\n",
-	       source, dest, *nbytes));
-
-  for (i = 0; i < *nbytes; i++)
-    ARMul_WriteByte (state, (ARMword) dest++, (ARMword) * memptr++);
-
-  if (state->abortSig)
-    {
-      state->abortSig = LOW;
-      return (RDIError_DataAbort);
-    }
-  return (RDIError_NoError);
-}
-
-/***************************************************************************\
-*                                RDI_CPUread                                *
-\***************************************************************************/
-
-static int
-RDI_CPUread (unsigned mode, unsigned long mask, ARMword buffer[])
-{
-  unsigned i, upto;
-
-  if (mode == RDIMode_Curr)
-    mode = (unsigned) (ARMul_GetCPSR (state) & MODEBITS);
-
-  for (upto = 0, i = 0; i < 15; i++)
-    if (mask & (1L << i))
-      {
-	buffer[upto++] = ARMul_GetReg (state, mode, i);
-      }
-
-  if (mask & RDIReg_R15)
-    {
-      buffer[upto++] = ARMul_GetR15 (state);
-    }
-
-  if (mask & RDIReg_PC)
-    {
-      buffer[upto++] = ARMul_GetPC (state);
-    }
-
-  if (mask & RDIReg_CPSR)
-    buffer[upto++] = ARMul_GetCPSR (state);
-
-  if (mask & RDIReg_SPSR)
-    buffer[upto++] = ARMul_GetSPSR (state, mode);
-
-  TracePrint ((state, "RDI_CPUread: mode=%.8x mask=%.8lx", mode, mask));
-#ifdef RDI_VERBOSE
-  if (rdi_log & 1)
-    {
-      for (upto = 0, i = 0; i <= 20; i++)
-	if (mask & (1L << i))
-	  {
-	    ARMul_DebugPrint (state, "%c%.8lx", upto % 4 == 0 ? '\n' : ' ',
-			      buffer[upto]);
-	    upto++;
-	  }
-      ARMul_DebugPrint (state, "\n");
-    }
-#endif
-
-  return (RDIError_NoError);
-}
-
-/***************************************************************************\
-*                               RDI_CPUwrite                                *
-\***************************************************************************/
-
-static int
-RDI_CPUwrite (unsigned mode, unsigned long mask, ARMword const buffer[])
-{
-  int i, upto;
-
-
-  TracePrint ((state, "RDI_CPUwrite: mode=%.8x mask=%.8lx", mode, mask));
-#ifdef RDI_VERBOSE
-  if (rdi_log & 1)
-    {
-      for (upto = 0, i = 0; i <= 20; i++)
-	if (mask & (1L << i))
-	  {
-	    ARMul_DebugPrint (state, "%c%.8lx", upto % 4 == 0 ? '\n' : ' ',
-			      buffer[upto]);
-	    upto++;
-	  }
-      ARMul_DebugPrint (state, "\n");
-    }
-#endif
-
-  if (mode == RDIMode_Curr)
-    mode = (unsigned) (ARMul_GetCPSR (state) & MODEBITS);
-
-  for (upto = 0, i = 0; i < 15; i++)
-    if (mask & (1L << i))
-      ARMul_SetReg (state, mode, i, buffer[upto++]);
-
-  if (mask & RDIReg_R15)
-    ARMul_SetR15 (state, buffer[upto++]);
-
-  if (mask & RDIReg_PC)
-    {
-
-      ARMul_SetPC (state, buffer[upto++]);
-    }
-  if (mask & RDIReg_CPSR)
-    ARMul_SetCPSR (state, buffer[upto++]);
-
-  if (mask & RDIReg_SPSR)
-    ARMul_SetSPSR (state, mode, buffer[upto++]);
-
-  return (RDIError_NoError);
-}
-
-/***************************************************************************\
-*                                RDI_CPread                                 *
-\***************************************************************************/
-
-static int
-RDI_CPread (unsigned CPnum, unsigned long mask, ARMword buffer[])
-{
-  ARMword fpregsaddr, word[4];
-
-  unsigned r, w;
-  unsigned upto;
-
-  if (CPnum != 1 && CPnum != 2)
-    {
-      unsigned char const *rmap = state->CPRegWords[CPnum];
-      if (rmap == NULL)
-	return (RDIError_UnknownCoPro);
-      for (upto = 0, r = 0; r < rmap[-1]; r++)
-	if (mask & (1L << r))
-	  {
-	    (void) state->CPRead[CPnum] (state, r, &buffer[upto]);
-	    upto += rmap[r];
-	  }
-      TracePrint ((state, "RDI_CPread: CPnum=%d mask=%.8lx", CPnum, mask));
-#ifdef RDI_VERBOSE
-      if (rdi_log & 1)
-	{
-	  w = 0;
-	  for (upto = 0, r = 0; r < rmap[-1]; r++)
-	    if (mask & (1L << r))
-	      {
-		int words = rmap[r];
-		ARMul_DebugPrint (state, "%c%2d",
-				  (w >= 4 ? (w = 0, '\n') : ' '), r);
-		while (--words >= 0)
-		  {
-		    ARMul_DebugPrint (state, " %.8lx", buffer[upto++]);
-		    w++;
-		  }
-	      }
-	  ARMul_DebugPrint (state, "\n");
-	}
-#endif
-      return RDIError_NoError;
-    }
-
-#ifdef NOFPE
-  return RDIError_UnknownCoPro;
-
-#else
-  if (FPRegsAddr == 0)
-    {
-      fpregsaddr = ARMul_ReadWord (state, 4L);
-      if ((fpregsaddr & 0xff800000) != 0xea000000)	/* Must be a forward branch */
-	return RDIError_UnknownCoPro;
-      fpregsaddr = ((fpregsaddr & 0xffffff) << 2) + 8;	/* address in __fp_decode - 4 */
-      if ((fpregsaddr < FPESTART) || (fpregsaddr >= FPEEND))
-	return RDIError_UnknownCoPro;
-      fpregsaddr = ARMul_ReadWord (state, fpregsaddr);	/* pointer to fp registers */
-      FPRegsAddr = fpregsaddr;
-    }
-  else
-    fpregsaddr = FPRegsAddr;
-
-  if (fpregsaddr == 0)
-    return RDIError_UnknownCoPro;
-  for (upto = 0, r = 0; r < 8; r++)
-    if (mask & (1L << r))
-      {
-	for (w = 0; w < 4; w++)
-	  word[w] =
-	    ARMul_ReadWord (state,
-			    fpregsaddr + (ARMword) r * 16 + (ARMword) w * 4);
-	switch ((int) (word[3] >> 29))
-	  {
-	  case 0:
-	  case 2:
-	  case 4:
-	  case 6:		/* its unpacked, convert to extended */
-	    buffer[upto++] = 2;	/* mark as extended */
-	    buffer[upto++] = (word[3] & 0x7fff) | (word[0] & 0x80000000);	/* exp and sign */
-	    buffer[upto++] = word[1];	/* mantissa 1 */
-	    buffer[upto++] = word[2];	/* mantissa 2 */
-	    break;
-	  case 1:		/* packed single */
-	    buffer[upto++] = 0;	/* mark as single */
-	    buffer[upto++] = word[0];	/* sign, exp and mantissa */
-	    buffer[upto++] = word[1];	/* padding */
-	    buffer[upto++] = word[2];	/* padding */
-	    break;
-	  case 3:		/* packed double */
-	    buffer[upto++] = 1;	/* mark as double */
-	    buffer[upto++] = word[0];	/* sign, exp and mantissa1 */
-	    buffer[upto++] = word[1];	/* mantissa 2 */
-	    buffer[upto++] = word[2];	/* padding */
-	    break;
-	  case 5:		/* packed extended */
-	    buffer[upto++] = 2;	/* mark as extended */
-	    buffer[upto++] = word[0];	/* sign and exp */
-	    buffer[upto++] = word[1];	/* mantissa 1 */
-	    buffer[upto++] = word[2];	/* mantissa 2 */
-	    break;
-	  case 7:		/* packed decimal */
-	    buffer[upto++] = 3;	/* mark as packed decimal */
-	    buffer[upto++] = word[0];	/* sign, exp and mantissa1 */
-	    buffer[upto++] = word[1];	/* mantissa 2 */
-	    buffer[upto++] = word[2];	/* mantissa 3 */
-	    break;
-	  }
-      }
-  if (mask & (1L << r))
-    buffer[upto++] = ARMul_ReadWord (state, fpregsaddr + 128);	/* fpsr */
-  if (mask & (1L << (r + 1)))
-    buffer[upto++] = 0;		/* fpcr */
-
-  TracePrint ((state, "RDI_CPread: CPnum=%d mask=%.8lx\n", CPnum, mask));
-#ifdef RDI_VERBOSE
-  if (rdi_log & 1)
-    {
-      for (upto = 0, r = 0; r < 9; r++)
-	if (mask & (1L << r))
-	  {
-	    if (r != 8)
-	      {
-		ARMul_DebugPrint (state, "%08lx ", buffer[upto++]);
-		ARMul_DebugPrint (state, "%08lx ", buffer[upto++]);
-		ARMul_DebugPrint (state, "%08lx ", buffer[upto++]);
-	      }
-	    ARMul_DebugPrint (state, "%08lx\n", buffer[upto++]);
-	  }
-      ARMul_DebugPrint (state, "\n");
-    }
-#endif
-  return (RDIError_NoError);
-#endif /* NOFPE */
-}
-
-/***************************************************************************\
-*                               RDI_CPwrite                                 *
-\***************************************************************************/
-
-static int
-RDI_CPwrite (unsigned CPnum, unsigned long mask, ARMword const buffer[])
-{
-  unsigned r;
-  unsigned upto;
-  ARMword fpregsaddr;
-
-  if (CPnum != 1 && CPnum != 2)
-    {
-      unsigned char const *rmap = state->CPRegWords[CPnum];
-      if (rmap == NULL)
-	return (RDIError_UnknownCoPro);
-      TracePrint ((state, "RDI_CPwrite: CPnum=%d mask=%.8lx", CPnum, mask));
-#ifdef RDI_VERBOSE
-      if (rdi_log & 1)
-	{
-	  int w = 0;
-	  for (upto = 0, r = 0; r < rmap[-1]; r++)
-	    if (mask & (1L << r))
-	      {
-		int words = rmap[r];
-		ARMul_DebugPrint (state, "%c%2d",
-				  (w >= 4 ? (w = 0, '\n') : ' '), r);
-		while (--words >= 0)
-		  {
-		    ARMul_DebugPrint (state, " %.8lx", buffer[upto++]);
-		    w++;
-		  }
-	      }
-	  ARMul_DebugPrint (state, "\n");
-	}
-#endif
-      for (upto = 0, r = 0; r < rmap[-1]; r++)
-	if (mask & (1L << r))
-	  {
-	    (void) state->CPWrite[CPnum] (state, r, &buffer[upto]);
-	    upto += rmap[r];
-	  }
-      return RDIError_NoError;
-    }
-
-#ifdef NOFPE
-  return RDIError_UnknownCoPro;
-
-#else
-  TracePrint ((state, "RDI_CPwrite: CPnum=%d mask=%.8lx", CPnum, mask));
-#ifdef RDI_VERBOSE
-  if (rdi_log & 1)
-    {
-      for (upto = 0, r = 0; r < 9; r++)
-	if (mask & (1L << r))
-	  {
-	    if (r != 8)
-	      {
-		ARMul_DebugPrint (state, "%08lx ", buffer[upto++]);
-		ARMul_DebugPrint (state, "%08lx ", buffer[upto++]);
-		ARMul_DebugPrint (state, "%08lx ", buffer[upto++]);
-	      }
-	    ARMul_DebugPrint (state, "%08lx\n", buffer[upto++]);
-	  }
-      ARMul_DebugPrint (state, "\n");
-    }
-#endif
-
-  if (FPRegsAddr == 0)
-    {
-      fpregsaddr = ARMul_ReadWord (state, 4L);
-      if ((fpregsaddr & 0xff800000) != 0xea000000)	/* Must be a forward branch */
-	return RDIError_UnknownCoPro;
-      fpregsaddr = ((fpregsaddr & 0xffffff) << 2) + 8;	/* address in __fp_decode - 4 */
-      if ((fpregsaddr < FPESTART) || (fpregsaddr >= FPEEND))
-	return RDIError_UnknownCoPro;
-      fpregsaddr = ARMul_ReadWord (state, fpregsaddr);	/* pointer to fp registers */
-      FPRegsAddr = fpregsaddr;
-    }
-  else
-    fpregsaddr = FPRegsAddr;
-
-  if (fpregsaddr == 0)
-    return RDIError_UnknownCoPro;
-  for (upto = 0, r = 0; r < 8; r++)
-    if (mask & (1L << r))
-      {
-	ARMul_WriteWord (state, fpregsaddr + (ARMword) r * 16,
-			 buffer[upto + 1]);
-	ARMul_WriteWord (state, fpregsaddr + (ARMword) r * 16 + 4,
-			 buffer[upto + 2]);
-	ARMul_WriteWord (state, fpregsaddr + (ARMword) r * 16 + 8,
-			 buffer[upto + 3]);
-	ARMul_WriteWord (state, fpregsaddr + (ARMword) r * 16 + 12,
-			 (buffer[upto] * 2 + 1) << 29);	/* mark type */
-	upto += 4;
-      }
-  if (mask & (1L << r))
-    ARMul_WriteWord (state, fpregsaddr + 128, buffer[upto++]);	/* fpsr */
-  return (RDIError_NoError);
-#endif /* NOFPE */
-}
-
-static void
-deletebreaknode (BreakNode ** prevp)
-{
-  BreakNode *p = *prevp;
-  *prevp = p->next;
-  ARMul_WriteWord (state, p->address, p->inst);
-  free ((char *) p);
-  BreaksSet--;
-  state->CallDebug--;
-}
-
-static int
-removebreak (ARMword address, unsigned type)
-{
-  BreakNode *p, **prevp = &BreakList;
-  for (; (p = *prevp) != NULL; prevp = &p->next)
-    if (p->address == address && p->type == type)
-      {
-	deletebreaknode (prevp);
-	return TRUE;
-      }
-  return FALSE;
-}
-
-/* This routine installs a breakpoint into the breakpoint table */
-
-static BreakNode *
-installbreak (ARMword address, unsigned type, ARMword bound)
-{
-  BreakNode *p = (BreakNode *) malloc (sizeof (BreakNode));
-  p->next = BreakList;
-  BreakList = p;
-  p->address = address;
-  p->type = type;
-  p->bound = bound;
-  p->inst = ARMul_ReadWord (state, address);
-  ARMul_WriteWord (state, address, 0xee000000L);
-  return p;
-}
-
-/***************************************************************************\
-*                               RDI_setbreak                                *
-\***************************************************************************/
-
-static int
-RDI_setbreak (ARMword address, unsigned type, ARMword bound,
-	      PointHandle * handle)
-{
-  BreakNode *p;
-  TracePrint ((state, "RDI_setbreak: address=%.8lx type=%d bound=%.8lx\n",
-	       address, type, bound));
-
-  removebreak (address, type);
-  p = installbreak (address, type, bound);
-  BreaksSet++;
-  state->CallDebug++;
-  *handle = (PointHandle) p;
-  TracePrint ((state, " returns %.8lx\n", *handle));
-  return RDIError_NoError;
-}
-
-/***************************************************************************\
-*                               RDI_clearbreak                              *
-\***************************************************************************/
-
-static int
-RDI_clearbreak (PointHandle handle)
-{
-  TracePrint ((state, "RDI_clearbreak: address=%.8lx\n", handle));
-  {
-    BreakNode *p, **prevp = &BreakList;
-    for (; (p = *prevp) != NULL; prevp = &p->next)
-      if (p == (BreakNode *) handle)
-	break;
-    if (p == NULL)
-      return RDIError_NoSuchPoint;
-    deletebreaknode (prevp);
-    return RDIError_NoError;
-  }
-}
-
-/***************************************************************************\
-*            Internal functions for breakpoint table manipulation           *
-\***************************************************************************/
-
-static void
-deletewatchnode (WatchNode ** prevp)
-{
-  WatchNode *p = *prevp;
-  if (p->datatype & Watch_AnyRead)
-    state->MemReadDebug--;
-  if (p->datatype & Watch_AnyWrite)
-    state->MemWriteDebug--;
-  *prevp = p->next;
-  free ((char *) p);
-}
-
-int
-removewatch (ARMword address, unsigned type)
-{
-  WatchNode *p, **prevp = &WatchList;
-  for (; (p = *prevp) != NULL; prevp = &p->next)
-    if (p->address == address && p->type == type)
-      {				/* found a match */
-	deletewatchnode (prevp);
-	return TRUE;
-      }
-  return FALSE;			/* never found a match */
-}
-
-static WatchNode *
-installwatch (ARMword address, unsigned type, unsigned datatype,
-	      ARMword bound)
-{
-  WatchNode *p = (WatchNode *) malloc (sizeof (WatchNode));
-  p->next = WatchList;
-  WatchList = p;
-  p->address = address;
-  p->type = type;
-  p->datatype = datatype;
-  p->bound = bound;
-  return p;
-}
-
-/***************************************************************************\
-*                               RDI_setwatch                                *
-\***************************************************************************/
-
-static int
-RDI_setwatch (ARMword address, unsigned type, unsigned datatype,
-	      ARMword bound, PointHandle * handle)
-{
-  WatchNode *p;
-  TracePrint (
-	      (state,
-	       "RDI_setwatch: address=%.8lx type=%d datatype=%d bound=%.8lx",
-	       address, type, datatype, bound));
-
-  if (!state->CanWatch)
-    return RDIError_UnimplementedMessage;
-
-  removewatch (address, type);
-  p = installwatch (address, type, datatype, bound);
-  if (datatype & Watch_AnyRead)
-    state->MemReadDebug++;
-  if (datatype & Watch_AnyWrite)
-    state->MemWriteDebug++;
-  *handle = (PointHandle) p;
-  TracePrint ((state, " returns %.8lx\n", *handle));
-  return RDIError_NoError;
-}
-
-/***************************************************************************\
-*                               RDI_clearwatch                              *
-\***************************************************************************/
-
-static int
-RDI_clearwatch (PointHandle handle)
-{
-  TracePrint ((state, "RDI_clearwatch: address=%.8lx\n", handle));
-  {
-    WatchNode *p, **prevp = &WatchList;
-    for (; (p = *prevp) != NULL; prevp = &p->next)
-      if (p == (WatchNode *) handle)
-	break;
-    if (p == NULL)
-      return RDIError_NoSuchPoint;
-    deletewatchnode (prevp);
-    return RDIError_NoError;
-  }
-}
-
-/***************************************************************************\
-*                               RDI_execute                                 *
-\***************************************************************************/
-
-static int
-RDI_execute (PointHandle * handle)
-{
-  TracePrint ((state, "RDI_execute\n"));
-  if (rdi_log & 4)
-    {
-      state->CallDebug++;
-      state->Debug = TRUE;
-    }
-  state->EndCondition = RDIError_NoError;
-  state->StopHandle = 0;
-
-  ARMul_DoProg (state);
-
-  *handle = state->StopHandle;
-  state->Reg[15] -= 8;		/* undo the pipeline */
-  if (rdi_log & 4)
-    {
-      state->CallDebug--;
-      state->Debug = FALSE;
-    }
-  return (state->EndCondition);
-}
-
-/***************************************************************************\
-*                                RDI_step                                   *
-\***************************************************************************/
-
-static int
-RDI_step (unsigned ninstr, PointHandle * handle)
-{
-
-  TracePrint ((state, "RDI_step\n"));
-  if (ninstr != 1)
-    return RDIError_UnimplementedMessage;
-  if (rdi_log & 4)
-    {
-      state->CallDebug++;
-      state->Debug = TRUE;
-    }
-  state->EndCondition = RDIError_NoError;
-  state->StopHandle = 0;
-  ARMul_DoInstr (state);
-  *handle = state->StopHandle;
-  state->Reg[15] -= 8;		/* undo the pipeline */
-  if (rdi_log & 4)
-    {
-      state->CallDebug--;
-      state->Debug = FALSE;
-    }
-  return (state->EndCondition);
-}
-
-/***************************************************************************\
-*                               RDI_info                                    *
-\***************************************************************************/
-
-static int
-RDI_info (unsigned type, ARMword * arg1, ARMword * arg2)
-{
-  switch (type)
-    {
-    case RDIInfo_Target:
-      TracePrint ((state, "RDI_Info_Target\n"));
-      /* Emulator, speed 10**5 IPS */
-      *arg1 = 5 | HIGHEST_RDI_LEVEL << 5 | LOWEST_RDI_LEVEL << 8;
-      *arg2 = 1298224434;
-      return RDIError_NoError;
-
-    case RDIInfo_Points:
-      {
-	ARMword n = RDIPointCapability_Comparison | RDIPointCapability_Range |
-	  RDIPointCapability_Mask | RDIPointCapability_Status;
-	TracePrint ((state, "RDI_Info_Points\n"));
-	if (state->CanWatch)
-	  n |= (Watch_AnyRead + Watch_AnyWrite) << 2;
-	*arg1 = n;
-	return RDIError_NoError;
-      }
-
-    case RDIInfo_Step:
-      TracePrint ((state, "RDI_Info_Step\n"));
-      *arg1 = RDIStep_Single;
-      return RDIError_NoError;
-
-    case RDIInfo_MMU:
-      TracePrint ((state, "RDI_Info_MMU\n"));
-      *arg1 = 1313820229;
-      return RDIError_NoError;
-
-    case RDISignal_Stop:
-      TracePrint ((state, "RDISignal_Stop\n"));
-      state->CallDebug++;
-      state->EndCondition = RDIError_UserInterrupt;
-      return RDIError_NoError;
-
-    case RDIVector_Catch:
-      TracePrint ((state, "RDIVector_Catch %.8lx\n", *arg1));
-      state->VectorCatch = (unsigned) *arg1;
-      return RDIError_NoError;
-
-    case RDISet_Cmdline:
-      TracePrint ((state, "RDI_Set_Cmdline %s\n", (char *) arg1));
-      state->CommandLine =
-	(char *) malloc ((unsigned) strlen ((char *) arg1) + 1);
-      (void) strcpy (state->CommandLine, (char *) arg1);
-      return RDIError_NoError;
-
-    case RDICycles:
-      TracePrint ((state, "RDI_Info_Cycles\n"));
-      arg1[0] = 0;
-      arg1[1] = state->NumInstrs;
-      arg1[2] = 0;
-      arg1[3] = state->NumScycles;
-      arg1[4] = 0;
-      arg1[5] = state->NumNcycles;
-      arg1[6] = 0;
-      arg1[7] = state->NumIcycles;
-      arg1[8] = 0;
-      arg1[9] = state->NumCcycles;
-      arg1[10] = 0;
-      arg1[11] = state->NumFcycles;
-      return RDIError_NoError;
-
-    case RDIErrorP:
-      *arg1 = ARMul_OSLastErrorP (state);
-      TracePrint ((state, "RDI_ErrorP returns %ld\n", *arg1));
-      return RDIError_NoError;
-
-    case RDIInfo_DescribeCoPro:
-      {
-	int cpnum = *(int *) arg1;
-	struct Dbg_CoProDesc *cpd = (struct Dbg_CoProDesc *) arg2;
-	int i;
-	unsigned char const *map = state->CPRegWords[cpnum];
-	if (map == NULL)
-	  return RDIError_UnknownCoPro;
-	for (i = 0; i < cpd->entries; i++)
-	  {
-	    unsigned r, w = cpd->regdesc[i].nbytes / sizeof (ARMword);
-	    for (r = cpd->regdesc[i].rmin; r <= cpd->regdesc[i].rmax; r++)
-	      if (map[r] != w)
-		return RDIError_BadCoProState;
-	  }
-	return RDIError_NoError;
-      }
-
-    case RDIInfo_RequestCoProDesc:
-      {
-	int cpnum = *(int *) arg1;
-	struct Dbg_CoProDesc *cpd = (struct Dbg_CoProDesc *) arg2;
-	int i = -1, lastw = -1, r;
-	unsigned char const *map;
-	if ((unsigned) cpnum >= 16)
-	  return RDIError_UnknownCoPro;
-	map = state->CPRegWords[cpnum];
-	if (map == NULL)
-	  return RDIError_UnknownCoPro;
-	for (r = 0; r < map[-1]; r++)
-	  {
-	    int words = map[r];
-	    if (words == lastw)
-	      cpd->regdesc[i].rmax = r;
-	    else
-	      {
-		if (++i >= cpd->entries)
-		  return RDIError_BufferFull;
-		cpd->regdesc[i].rmax = cpd->regdesc[i].rmin = r;
-		cpd->regdesc[i].nbytes = words * sizeof (ARMword);
-		cpd->regdesc[i].access =
-		  Dbg_Access_Readable + Dbg_Access_Writable;
-	      }
-	  }
-	cpd->entries = i + 1;
-	return RDIError_NoError;
-      }
-
-    case RDIInfo_Log:
-      *arg1 = (ARMword) rdi_log;
-      return RDIError_NoError;
-
-    case RDIInfo_SetLog:
-      rdi_log = (int) *arg1;
-      return RDIError_NoError;
-
-    case RDIInfo_CoPro:
-      return RDIError_NoError;
-
-    case RDIPointStatus_Watch:
-      {
-	WatchNode *p, *handle = (WatchNode *) * arg1;
-	for (p = WatchList; p != NULL; p = p->next)
-	  if (p == handle)
-	    {
-	      *arg1 = -1;
-	      *arg2 = 1;
-	      return RDIError_NoError;
-	    }
-	return RDIError_NoSuchPoint;
-      }
-
-    case RDIPointStatus_Break:
-      {
-	BreakNode *p, *handle = (BreakNode *) * arg1;
-	for (p = BreakList; p != NULL; p = p->next)
-	  if (p == handle)
-	    {
-	      *arg1 = -1;
-	      *arg2 = 1;
-	      return RDIError_NoError;
-	    }
-	return RDIError_NoSuchPoint;
-      }
-
-    case RDISet_RDILevel:
-      if (*arg1 < LOWEST_RDI_LEVEL || *arg1 > HIGHEST_RDI_LEVEL)
-	return RDIError_IncompatibleRDILevels;
-      MYrdi_level = *arg1;
-      return RDIError_NoError;
-
-    default:
-      return RDIError_UnimplementedMessage;
-
-    }
-}
-
-/***************************************************************************\
-* The emulator calls this routine at the beginning of every cycle when the  *
-* CallDebug flag is set.  The second parameter passed is the address of the *
-* currently executing instruction (i.e Program Counter - 8), the third      *
-* parameter is the instruction being executed.                              *
-\***************************************************************************/
-
-ARMword
-ARMul_Debug (ARMul_State * state, ARMword pc, ARMword instr)
-{
-
-  if (state->EndCondition == RDIError_UserInterrupt)
-    {
-      TracePrint ((state, "User interrupt at %.8lx\n", pc));
-      state->CallDebug--;
-      state->Emulate = STOP;
-    }
-  else
-    {
-      BreakNode *p = BreakList;
-      for (; p != NULL; p = p->next)
-	{
-	  switch (p->type)
-	    {
-	    case RDIPoint_EQ:
-	      if (pc == p->address)
-		break;
-	      continue;
-	    case RDIPoint_GT:
-	      if (pc > p->address)
-		break;
-	      continue;
-	    case RDIPoint_GE:
-	      if (pc >= p->address)
-		break;
-	      continue;
-	    case RDIPoint_LT:
-	      if (pc < p->address)
-		break;
-	      continue;
-	    case RDIPoint_LE:
-	      if (pc <= p->address)
-		break;
-	      continue;
-	    case RDIPoint_IN:
-	      if (p->address <= pc && pc < p->address + p->bound)
-		break;
-	      continue;
-	    case RDIPoint_OUT:
-	      if (p->address > pc || pc >= p->address + p->bound)
-		break;
-	      continue;
-	    case RDIPoint_MASK:
-	      if ((pc & p->bound) == p->address)
-		break;
-	      continue;
-	    }
-	  /* found a match */
-	  TracePrint ((state, "Breakpoint reached at %.8lx\n", pc));
-	  state->EndCondition = RDIError_BreakpointReached;
-	  state->Emulate = STOP;
-	  state->StopHandle = (ARMword) p;
-	  break;
-	}
-    }
-  return instr;
-}
-
-void
-ARMul_CheckWatch (ARMul_State * state, ARMword addr, int access)
-{
-  WatchNode *p;
-  for (p = WatchList; p != NULL; p = p->next)
-    if (p->datatype & access)
-      {
-	switch (p->type)
-	  {
-	  case RDIPoint_EQ:
-	    if (addr == p->address)
-	      break;
-	    continue;
-	  case RDIPoint_GT:
-	    if (addr > p->address)
-	      break;
-	    continue;
-	  case RDIPoint_GE:
-	    if (addr >= p->address)
-	      break;
-	    continue;
-	  case RDIPoint_LT:
-	    if (addr < p->address)
-	      break;
-	    continue;
-	  case RDIPoint_LE:
-	    if (addr <= p->address)
-	      break;
-	    continue;
-	  case RDIPoint_IN:
-	    if (p->address <= addr && addr < p->address + p->bound)
-	      break;
-	    continue;
-	  case RDIPoint_OUT:
-	    if (p->address > addr || addr >= p->address + p->bound)
-	      break;
-	    continue;
-	  case RDIPoint_MASK:
-	    if ((addr & p->bound) == p->address)
-	      break;
-	    continue;
-	  }
-	/* found a match */
-	TracePrint ((state, "Watchpoint at %.8lx accessed\n", addr));
-	state->EndCondition = RDIError_WatchpointAccessed;
-	state->Emulate = STOP;
-	state->StopHandle = (ARMword) p;
-	return;
-      }
-}
-
-static RDI_NameList const *
-RDI_cpunames ()
-{
-  return (RDI_NameList const *) &processorconfig.count;
-}
-
-const struct RDIProcVec armul_rdi = {
-  "ARMUL",
-  RDI_open,
-  RDI_close,
-  RDI_read,
-  RDI_write,
-  RDI_CPUread,
-  RDI_CPUwrite,
-  RDI_CPread,
-  RDI_CPwrite,
-  RDI_setbreak,
-  RDI_clearbreak,
-  RDI_setwatch,
-  RDI_clearwatch,
-  RDI_execute,
-  RDI_step,
-  RDI_info,
-
-  0,				/*pointinq */
-  0,				/*addconfig */
-  0,				/*loadconfigdata */
-  0,				/*selectconfig */
-  0,				/*drivernames */
-
-  RDI_cpunames
-};
diff --git a/sim/arm/armvirt.c b/sim/arm/armvirt.c
index c5af8d6..4f95ed8 100644
--- a/sim/arm/armvirt.c
+++ b/sim/arm/armvirt.c
@@ -22,7 +22,6 @@
    freed as they might be needed again. A single area of memory may be
    defined to generate aborts.  */
 
-#include "armopts.h"
 #include "armos.h"
 #include "armdefs.h"
 #include "ansidecl.h"
@@ -217,13 +216,6 @@ ARMword ARMul_LoadInstrS (ARMul_State * state, ARMword address, ARMword isize)
 {
   state->NumScycles++;
 
-#ifdef HOURGLASS
-  if ((state->NumScycles & HOURGLASS_RATE) == 0)
-    {
-      HOURGLASS;
-    }
-#endif
-
   return ARMul_ReLoadInstr (state, address, isize);
 }
 
diff --git a/sim/arm/bag.c b/sim/arm/bag.c
deleted file mode 100644
index f1b6a2c..0000000
--- a/sim/arm/bag.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/*  bag.c -- ARMulator support code:  ARM6 Instruction Emulator.
-    Copyright (C) 1994 Advanced RISC Machines Ltd.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, see <http://www.gnu.org/licenses/>. */
-
-/********************************************************************/
-/* bag.c:                                                           */
-/* Offers a data structure for storing and getting pairs of number. */
-/* The numbers are stored together, put one can be looked up by     */
-/* quoting the other.  If a new pair is entered and one of the      */
-/* numbers is a repeat of a previous pair, then the previos pair    */
-/* is deleted.                                                      */
-/********************************************************************/
-
-#include "bag.h"
-#include <stdlib.h>
-
-#define HASH_TABLE_SIZE 256
-#define hash(x) (((x)&0xff)^(((x)>>8)&0xff)^(((x)>>16)&0xff)^(((x)>>24)&0xff))
-
-typedef struct hashentry
-{
-  struct hashentry *next;
-  int first;
-  int second;
-}
-Hashentry;
-
-Hashentry *lookupbyfirst[HASH_TABLE_SIZE];
-Hashentry *lookupbysecond[HASH_TABLE_SIZE];
-
-static void
-addtolist (Hashentry ** add, long first, long second)
-{
-  while (*add)
-    add = &((*add)->next);
-  /* Malloc will never fail? :o( */
-  (*add) = (Hashentry *) malloc (sizeof (Hashentry));
-  (*add)->next = (Hashentry *) 0;
-  (*add)->first = first;
-  (*add)->second = second;
-}
-
-static void
-killwholelist (Hashentry * p)
-{
-  Hashentry *q;
-
-  while (p)
-    {
-      q = p;
-      p = p->next;
-      free (q);
-    }
-}
-
-static void
-removefromlist (Hashentry ** p, long first)
-{
-  Hashentry *q;
-
-  while (*p)
-    {
-      if ((*p)->first == first)
-	{
-	  q = (*p)->next;
-	  free (*p);
-	  *p = q;
-	  return;
-	}
-      p = &((*p)->next);
-    }
-}
-
-void
-BAG_putpair (long first, long second)
-{
-  long junk;
-
-  if (BAG_getfirst (&junk, second) != NO_SUCH_PAIR)
-    BAG_killpair_bysecond (second);
-  addtolist (&lookupbyfirst[hash (first)], first, second);
-  addtolist (&lookupbysecond[hash (second)], first, second);
-}
-
-Bag_error
-BAG_getfirst (long *first, long second)
-{
-  Hashentry *look;
-
-  look = lookupbysecond[hash (second)];
-  while (look)
-    if (look->second == second)
-      {
-	*first = look->first;
-	return NO_ERROR;
-      }
-  return NO_SUCH_PAIR;
-}
-
-Bag_error
-BAG_getsecond (long first, long *second)
-{
-  Hashentry *look;
-
-  look = lookupbyfirst[hash (first)];
-  while (look)
-    {
-      if (look->first == first)
-	{
-	  *second = look->second;
-	  return NO_ERROR;
-	}
-      look = look->next;
-    }
-  return NO_SUCH_PAIR;
-}
-
-Bag_error
-BAG_killpair_byfirst (long first)
-{
-  long second;
-
-  if (BAG_getsecond (first, &second) == NO_SUCH_PAIR)
-    return NO_SUCH_PAIR;
-  removefromlist (&lookupbyfirst[hash (first)], first);
-  removefromlist (&lookupbysecond[hash (second)], first);
-  return NO_ERROR;
-}
-
-Bag_error
-BAG_killpair_bysecond (long second)
-{
-  long first;
-
-  if (BAG_getfirst (&first, second) == NO_SUCH_PAIR)
-    return NO_SUCH_PAIR;
-  removefromlist (&lookupbyfirst[hash (first)], first);
-  removefromlist (&lookupbysecond[hash (second)], first);
-  return NO_ERROR;
-}
-
-void
-BAG_newbag (void)
-{
-  int i;
-
-  for (i = 0; i < 256; i++)
-    {
-      killwholelist (lookupbyfirst[i]);
-      killwholelist (lookupbysecond[i]);
-      lookupbyfirst[i] = lookupbysecond[i] = (Hashentry *) 0;
-    }
-}
diff --git a/sim/arm/bag.h b/sim/arm/bag.h
deleted file mode 100644
index 6a237c2..0000000
--- a/sim/arm/bag.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/*  bag.h -- ARMulator support code:  ARM6 Instruction Emulator.
-    Copyright (C) 1994 Advanced RISC Machines Ltd.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, see <http://www.gnu.org/licenses/>. */
-
-/********************************************************************/
-/* bag.h:                                                           */
-/* Header file for bag.c                                            */
-/* Offers a data structure for storing and getting pairs of number. */
-/* The numbers are stored together, put one can be looked up by     */
-/* quoting the other.  If a new pair is entered and one of the      */
-/* numbers is a repeat of a previous pair, then the previos pair    */
-/* is deleted.                                                      */
-/********************************************************************/
-
-typedef enum
-{
-  NO_ERROR,
-  DELETED_OLD_PAIR,
-  NO_SUCH_PAIR,
-}
-Bag_error;
-
-void BAG_putpair (long first, long second);
-
-void BAG_newbag (void);
-Bag_error BAG_killpair_byfirst (long first);
-Bag_error BAG_killpair_bysecond (long second);
-
-Bag_error BAG_getfirst (long *first, long second);
-Bag_error BAG_getsecond (long first, long *second);
diff --git a/sim/arm/communicate.c b/sim/arm/communicate.c
deleted file mode 100644
index 4d97647..0000000
--- a/sim/arm/communicate.c
+++ /dev/null
@@ -1,254 +0,0 @@
-/*  communicate.c -- ARMulator RDP comms code:  ARM6 Instruction Emulator.
-    Copyright (C) 1994 Advanced RISC Machines Ltd.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, see <http://www.gnu.org/licenses/>. */
-
-/**************************************************************************/
-/* Functions to read and write characters or groups of characters         */
-/* down sockets or pipes.  Those that return a value return -1 on failure */
-/* and 0 on success.                                                      */
-/**************************************************************************/
-
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-
-#include "armdefs.h"
-
-/* The socket to the debugger */
-int debugsock;
-
-/* The maximum number of file descriptors */
-extern int nfds;
-
-/* The socket handle */
-extern int sockethandle;
-
-/* Read and Write routines down a pipe or socket */
-
-/****************************************************************/
-/* Read an individual character.                                */
-/* All other read functions rely on this one.                   */
-/* It waits 15 seconds until there is a character available: if */
-/* no character is available, then it timeouts and returns -1.  */
-/****************************************************************/
-int
-MYread_char (int sock, unsigned char *c)
-{
-  int i;
-  fd_set readfds;
-  struct timeval timeout = { 15, 0 };
-  struct sockaddr_in isa;
-
-retry:
-
-  FD_ZERO (&readfds);
-  FD_SET (sock, &readfds);
-
-  i = select (nfds, &readfds, (fd_set *) 0, (fd_set *) 0, &timeout);
-
-  if (i < 0)
-    {
-      perror ("select");
-      exit (1);
-    }
-
-  if (!i)
-    {
-      fprintf (stderr, "read: Timeout\n");
-      return -1;
-    }
-
-  if ((i = read (sock, c, 1)) < 1)
-    {
-      if (!i && sock == debugsock)
-	{
-	  fprintf (stderr, "Connection with debugger severed.\n");
-	  /* This shouldn't be necessary for a detached armulator, but
-	     the armulator cannot be cold started a second time, so
-	     this is probably preferable to locking up.  */
-	  return -1;
-	  fprintf (stderr, "Waiting for connection from debugger...");
-	  debugsock = accept (sockethandle, &isa, &i);
-	  if (debugsock == -1)
-	    {			/* Now we are in serious trouble... */
-	      perror ("accept");
-	      return -1;
-	    }
-	  fprintf (stderr, " done.\nConnection Established.\n");
-	  sock = debugsock;
-	  goto retry;
-	}
-      perror ("read");
-      return -1;
-    }
-
-#ifdef DEBUG
-  if (sock == debugsock)
-    fprintf (stderr, "<%02x ", *c);
-#endif
-
-  return 0;
-}
-
-/****************************************************************/
-/* Read an individual character.                                */
-/* It waits until there is a character available. Returns -1 if */
-/* an error occurs.                                             */
-/****************************************************************/
-int
-MYread_charwait (int sock, unsigned char *c)
-{
-  int i;
-  fd_set readfds;
-  struct sockaddr_in isa;
-
-retry:
-
-  FD_ZERO (&readfds);
-  FD_SET (sock, &readfds);
-
-  i = select (nfds, &readfds,
-	      (fd_set *) 0, (fd_set *) 0, (struct timeval *) 0);
-
-  if (i < 0)
-    {
-      perror ("select");
-      exit (-1);
-    }
-
-  if ((i = read (sock, c, 1)) < 1)
-    {
-      if (!i && sock == debugsock)
-	{
-	  fprintf (stderr, "Connection with debugger severed.\n");
-	  return -1;
-	  fprintf (stderr, "Waiting for connection from debugger...");
-	  debugsock = accept (sockethandle, &isa, &i);
-	  if (debugsock == -1)
-	    {			/* Now we are in serious trouble... */
-	      perror ("accept");
-	      return -1;
-	    }
-	  fprintf (stderr, " done.\nConnection Established.\n");
-	  sock = debugsock;
-	  goto retry;
-	}
-      perror ("read");
-      return -1;
-    }
-
-#ifdef DEBUG
-  if (sock == debugsock)
-    fprintf (stderr, "<%02x ", *c);
-#endif
-
-  return 0;
-}
-
-void
-MYwrite_char (int sock, unsigned char c)
-{
-
-  if (write (sock, &c, 1) < 1)
-    perror ("write");
-#ifdef DEBUG
-  if (sock == debugsock)
-    fprintf (stderr, ">%02x ", c);
-#endif
-}
-
-int
-MYread_word (int sock, ARMword * here)
-{
-  unsigned char a, b, c, d;
-
-  if (MYread_char (sock, &a) < 0)
-    return -1;
-  if (MYread_char (sock, &b) < 0)
-    return -1;
-  if (MYread_char (sock, &c) < 0)
-    return -1;
-  if (MYread_char (sock, &d) < 0)
-    return -1;
-  *here = a | b << 8 | c << 16 | d << 24;
-  return 0;
-}
-
-void
-MYwrite_word (int sock, ARMword i)
-{
-  MYwrite_char (sock, i & 0xff);
-  MYwrite_char (sock, (i & 0xff00) >> 8);
-  MYwrite_char (sock, (i & 0xff0000) >> 16);
-  MYwrite_char (sock, (i & 0xff000000) >> 24);
-}
-
-void
-MYwrite_string (int sock, char *s)
-{
-  int i;
-  for (i = 0; MYwrite_char (sock, s[i]), s[i]; i++);
-}
-
-int
-MYread_FPword (int sock, char *putinhere)
-{
-  int i;
-  for (i = 0; i < 16; i++)
-    if (MYread_char (sock, &putinhere[i]) < 0)
-      return -1;
-  return 0;
-}
-
-void
-MYwrite_FPword (int sock, char *fromhere)
-{
-  int i;
-  for (i = 0; i < 16; i++)
-    MYwrite_char (sock, fromhere[i]);
-}
-
-/* Takes n bytes from source and those n bytes */
-/* down to dest */
-int
-passon (int source, int dest, int n)
-{
-  char *p;
-  int i;
-
-  p = (char *) malloc (n);
-  if (!p)
-    {
-      perror ("Out of memory\n");
-      exit (1);
-    }
-  if (n)
-    {
-      for (i = 0; i < n; i++)
-	if (MYread_char (source, &p[i]) < 0)
-	  return -1;
-
-#ifdef DEBUG
-      if (dest == debugsock)
-	for (i = 0; i < n; i++)
-	  fprintf (stderr, ")%02x ", (unsigned char) p[i]);
-#endif
-
-      write (dest, p, n);
-    }
-  free (p);
-  return 0;
-}
diff --git a/sim/arm/communicate.h b/sim/arm/communicate.h
deleted file mode 100644
index e234246..0000000
--- a/sim/arm/communicate.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*  communicate.h -- ARMulator comms support defns:  ARM6 Instruction Emulator.
-    Copyright (C) 1994 Advanced RISC Machines Ltd.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, see <http://www.gnu.org/licenses/>. */
-
-int MYread_char (int sock, unsigned char *c);
-void MYwrite_char (int sock, unsigned char c);
-int MYread_word (int sock, ARMword * here);
-void MYwrite_word (int sock, ARMword i);
-void MYwrite_string (int sock, char *s);
-int MYread_FPword (int sock, char *putinhere);
-void MYwrite_FPword (int sock, char *fromhere);
-int passon (int source, int dest, int n);
-
-int wait_for_osreply (ARMword * reply);	/* from kid.c */
-
-#define OS_SendNothing 0x0
-#define OS_SendChar 0x1
-#define OS_SendWord 0x2
-#define OS_SendString 0x3
-
-/* The pipes between the two processes */
-extern int mumkid[2];
-extern int kidmum[2];
diff --git a/sim/arm/dbg_conf.h b/sim/arm/dbg_conf.h
deleted file mode 100644
index 27c486c..0000000
--- a/sim/arm/dbg_conf.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/*  dbg_conf.h -- ARMulator debug interface:  ARM6 Instruction Emulator.
-    Copyright (C) 1994 Advanced RISC Machines Ltd.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    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 Dbg_Conf__h
-#define Dbg_Conf__h
-
-typedef struct Dbg_ConfigBlock
-{
-  int bytesex;
-  long memorysize;
-  int serialport;		/*) remote connection parameters */
-  int seriallinespeed;		/*) (serial connection) */
-  int parallelport;		/*) ditto */
-  int parallellinespeed;	/*) (parallel connection) */
-  int processor;		/* processor the armulator is to emulate (eg ARM60) */
-  int rditype;			/* armulator / remote processor */
-  int drivertype;		/* parallel / serial / etc */
-  char const *configtoload;
-  int flags;
-}
-Dbg_ConfigBlock;
-
-#define Dbg_ConfigFlag_Reset 1
-
-typedef struct Dbg_HostosInterface Dbg_HostosInterface;
-/* This structure allows access by the (host-independent) C-library support
-   module of armulator or pisd (armos.c) to host-dependent functions for
-   which there is no host-independent interface.  Its contents are unknown
-   to the debugger toolbox.
-   The assumption is that, in a windowed system, fputc(stderr) for example
-   may not achieve the desired effect of the character appearing in some
-   window.
- */
-
-#endif
diff --git a/sim/arm/dbg_cp.h b/sim/arm/dbg_cp.h
deleted file mode 100644
index 640d1f2..0000000
--- a/sim/arm/dbg_cp.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/*  dbg_cp.h -- ARMulator debug interface:  ARM6 Instruction Emulator.
-    Copyright (C) 1994 Advanced RISC Machines Ltd.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    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 Dbg_CP__h
-
-#define Dbg_CP__h
-
-#define Dbg_Access_Readable  1
-#define Dbg_Access_Writable  2
-#define Dbg_Access_CPDT      4	/* else CPRT */
-
-typedef struct
-{
-  unsigned short rmin, rmax;
-  /* a single description can be used for a range of registers with
-     the same properties *accessed via CPDT instructions*
-   */
-  unsigned char nbytes;		/* size of register */
-  unsigned char access;		/* see above (Access_xxx) */
-  union
-  {
-    struct
-    {
-      /* CPDT instructions do not allow the coprocessor much freedom:
-	 only bit 22 ('N') and 12-15 ('CRd') are free for the
-	 coprocessor to use as it sees fit.  */
-      unsigned char nbit;
-      unsigned char rdbits;
-    }
-    cpdt;
-    struct
-    {
-      /* CPRT instructions have much more latitude.  The bits fixed
-	 by the ARM are  24..31 (condition mask & opcode)
-	 20 (direction)
-	 8..15 (cpnum, arm register)
-	 4 (CPRT not CPDO)
-	 leaving 14 bits free to the coprocessor (fortunately
-	 falling within two bytes).  */
-      unsigned char read_b0, read_b1, write_b0, write_b1;
-    }
-    cprt;
-  }
-  accessinst;
-}
-Dbg_CoProRegDesc;
-
-struct Dbg_CoProDesc
-{
-  int entries;
-  Dbg_CoProRegDesc regdesc[1 /* really nentries */ ];
-};
-
-#define Dbg_CoProDesc_Size(n) (sizeof(struct Dbg_CoProDesc) + (n-1)*sizeof(Dbg_CoProRegDesc))
-
-#endif
diff --git a/sim/arm/dbg_hif.h b/sim/arm/dbg_hif.h
deleted file mode 100644
index a4c48c2..0000000
--- a/sim/arm/dbg_hif.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/*  dbg_hif.h -- ARMulator debug interface:  ARM6 Instruction Emulator.
-    Copyright (C) 1994 Advanced RISC Machines Ltd.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, see <http://www.gnu.org/licenses/>. */
-
-#include <stdarg.h>
-
-typedef void Hif_DbgPrint (void *arg, const char *format, va_list ap);
-typedef void Hif_DbgPause (void *arg);
-
-typedef void Hif_WriteC (void *arg, int c);
-typedef int Hif_ReadC (void *arg);
-typedef int Hif_Write (void *arg, char const *buffer, int len);
-typedef char *Hif_GetS (void *arg, char *buffer, int len);
-
-typedef void Hif_RDIResetProc (void *arg);
-
-struct Dbg_HostosInterface
-{
-  Hif_DbgPrint *dbgprint;
-  Hif_DbgPause *dbgpause;
-  void *dbgarg;
-
-  Hif_WriteC *writec;
-  Hif_ReadC *readc;
-  Hif_Write *write;
-  Hif_GetS *gets;
-  void *hostosarg;
-
-  Hif_RDIResetProc *reset;
-  void *resetarg;
-};
diff --git a/sim/arm/dbg_rdi.h b/sim/arm/dbg_rdi.h
index 34e4354..a312c07 100644
--- a/sim/arm/dbg_rdi.h
+++ b/sim/arm/dbg_rdi.h
@@ -75,259 +75,6 @@
 #define RDIError_UnimplementedMessage   254
 #define RDIError_UndefinedMessage       255
 
-/***************************************************************************\
-*                          RDP Message Numbers                              *
-\***************************************************************************/
-
-#define RDP_Start               (unsigned char)0x0
-#define RDP_End                 (unsigned char)0x1
-#define RDP_Read                (unsigned char)0x2
-#define RDP_Write               (unsigned char)0x3
-#define RDP_CPUread             (unsigned char)0x4
-#define RDP_CPUwrite            (unsigned char)0x5
-#define RDP_CPread              (unsigned char)0x6
-#define RDP_CPwrite             (unsigned char)0x7
-#define RDP_SetBreak            (unsigned char)0xa
-#define RDP_ClearBreak          (unsigned char)0xb
-#define RDP_SetWatch            (unsigned char)0xc
-#define RDP_ClearWatch          (unsigned char)0xd
-#define RDP_Execute             (unsigned char)0x10
-#define RDP_Step                (unsigned char)0x11
-#define RDP_Info                (unsigned char)0x12
-#define RDP_OSOpReply           (unsigned char)0x13
-
-#define RDP_AddConfig           (unsigned char)0x14
-#define RDP_LoadConfigData      (unsigned char)0x15
-#define RDP_SelectConfig        (unsigned char)0x16
-#define RDP_LoadAgent           (unsigned char)0x17
-
-#define RDP_Stopped             (unsigned char)0x20
-#define RDP_OSOp                (unsigned char)0x21
-#define RDP_Fatal               (unsigned char)0x5e
-#define RDP_Return              (unsigned char)0x5f
-#define RDP_Reset               (unsigned char)0x7f
-
-/***************************************************************************\
-*                            Other RDI values                               *
-\***************************************************************************/
-
-#define RDISex_Little           0	/* the byte sex of the debuggee */
-#define RDISex_Big              1
-#define RDISex_DontCare         2
-
-#define RDIPoint_EQ             0	/* the different types of break/watchpoints */
-#define RDIPoint_GT             1
-#define RDIPoint_GE             2
-#define RDIPoint_LT             3
-#define RDIPoint_LE             4
-#define RDIPoint_IN             5
-#define RDIPoint_OUT            6
-#define RDIPoint_MASK           7
-
-#define RDIPoint_Inquiry        64	/* ORRed with point type in extended RDP */
-#define RDIPoint_Handle         128	/* messages                              */
-
-#define RDIWatch_ByteRead       1	/* types of data accesses to watch for */
-#define RDIWatch_HalfRead       2
-#define RDIWatch_WordRead       4
-#define RDIWatch_ByteWrite      8
-#define RDIWatch_HalfWrite      16
-#define RDIWatch_WordWrite      32
-
-#define RDIReg_R15              (1L << 15)	/* mask values for CPU */
-#define RDIReg_PC               (1L << 16)
-#define RDIReg_CPSR             (1L << 17)
-#define RDIReg_SPSR             (1L << 18)
-#define RDINumCPURegs           19
-
-#define RDINumCPRegs            10	/* current maximum */
-
-#define RDIMode_Curr            255
-
-/* Bits set in return value from RDIInfo_Target */
-#define RDITarget_LogSpeed              0x0f
-#define RDITarget_HW                    0x10	/* else emulator */
-#define RDITarget_AgentMaxLevel         0xe0
-#define RDITarget_AgentLevelShift       5
-#define RDITarget_DebuggerMinLevel      0x700
-#define RDITarget_DebuggerLevelShift    8
-#define RDITarget_CanReloadAgent        0x800
-#define RDITarget_CanInquireLoadSize    0x1000
-
-/* Bits set in return value from RDIInfo_Step */
-#define RDIStep_Multiple                1
-#define RDIStep_PCChange                2
-#define RDIStep_Single                  4
-
-/* Bits set in return value from RDIInfo_Points */
-#define RDIPointCapability_Comparison   1
-#define RDIPointCapability_Range        2
-/* 4 to 128 are RDIWatch_xx{Read,Write} left-shifted by two */
-#define RDIPointCapability_Mask         256
-#define RDIPointCapability_Status       512	/* Point status enquiries available */
-
-/* RDI_Info subcodes */
-#define RDIInfo_Target          0
-#define RDIInfo_Points          1
-#define RDIInfo_Step            2
-#define RDIInfo_MMU             3
-#define RDIInfo_DownLoad        4	/* Inquires whether configuration download
-					   and selection is available.
-					 */
-#define RDIInfo_SemiHosting     5	/* Inquires whether RDISemiHosting_* RDI_Info
-					   calls are available.
-					 */
-#define RDIInfo_CoPro           6	/* Inquires whether CoPro RDI_Info calls are
-					   available.
-					 */
-#define RDIInfo_Icebreaker      7
-
-/* The next two are only to be used if the value returned by RDIInfo_Points */
-/* has RDIPointCapability_Status set.                                       */
-#define RDIPointStatus_Watch    0x80
-#define RDIPointStatus_Break    0x81
-
-#define RDISignal_Stop          0x100
-
-#define RDIVector_Catch         0x180
-
-/* The next four are only to be used if RDIInfo_Semihosting returned no error */
-#define RDISemiHosting_SetState 0x181
-#define RDISemiHosting_GetState 0x182
-#define RDISemiHosting_SetVector 0x183
-#define RDISemiHosting_GetVector 0x184
-
-/* The next two are only to be used if RDIInfo_Icebreaker returned no error */
-#define RDIIcebreaker_GetLocks  0x185
-#define RDIIcebreaker_SetLocks  0x186
-
-/* Only if RDIInfo_Target returned RDITarget_CanInquireLoadSize */
-#define RDIInfo_GetLoadSize     0x187
-
-#define RDICycles               0x200
-#define RDICycles_Size          48
-#define RDIErrorP               0x201
-
-#define RDISet_Cmdline          0x300
-#define RDISet_RDILevel         0x301
-#define RDISet_Thread           0x302
-
-/* The next two are only to be used if RDIInfo_CoPro returned no error */
-#define RDIInfo_DescribeCoPro   0x400
-#define RDIInfo_RequestCoProDesc 0x401
-
-#define RDIInfo_Log             0x800
-#define RDIInfo_SetLog          0x801
-
-typedef unsigned long PointHandle;
-typedef unsigned long ThreadHandle;
-#define RDINoPointHandle        ((PointHandle)-1L)
-#define RDINoHandle             ((ThreadHandle)-1L)
-
-struct Dbg_ConfigBlock;
-struct Dbg_HostosInterface;
-struct Dbg_MCState;
-typedef int rdi_open_proc (unsigned type,
-			   struct Dbg_ConfigBlock const *config,
-			   struct Dbg_HostosInterface const *i,
-			   struct Dbg_MCState *dbg_state);
-typedef int rdi_close_proc (void);
-typedef int rdi_read_proc (ARMword source, void *dest, unsigned *nbytes);
-typedef int rdi_write_proc (const void *source, ARMword dest,
-			    unsigned *nbytes);
-typedef int rdi_CPUread_proc (unsigned mode, unsigned long mask,
-			      ARMword * state);
-typedef int rdi_CPUwrite_proc (unsigned mode, unsigned long mask,
-			       ARMword const *state);
-typedef int rdi_CPread_proc (unsigned CPnum, unsigned long mask,
-			     ARMword * state);
-typedef int rdi_CPwrite_proc (unsigned CPnum, unsigned long mask,
-			      ARMword const *state);
-typedef int rdi_setbreak_proc (ARMword address, unsigned type, ARMword bound,
-			       PointHandle * handle);
-typedef int rdi_clearbreak_proc (PointHandle handle);
-typedef int rdi_setwatch_proc (ARMword address, unsigned type,
-			       unsigned datatype, ARMword bound,
-			       PointHandle * handle);
-typedef int rdi_clearwatch_proc (PointHandle handle);
-typedef int rdi_execute_proc (PointHandle * handle);
-typedef int rdi_step_proc (unsigned ninstr, PointHandle * handle);
-typedef int rdi_info_proc (unsigned type, ARMword * arg1, ARMword * arg2);
-typedef int rdi_pointinq_proc (ARMword * address, unsigned type,
-			       unsigned datatype, ARMword * bound);
-
-typedef enum
-{
-  RDI_ConfigCPU,
-  RDI_ConfigSystem
-}
-RDI_ConfigAspect;
-
-typedef enum
-{
-  RDI_MatchAny,
-  RDI_MatchExactly,
-  RDI_MatchNoEarlier
-}
-RDI_ConfigMatchType;
-
-typedef int rdi_addconfig_proc (unsigned long nbytes);
-typedef int rdi_loadconfigdata_proc (unsigned long nbytes, char const *data);
-typedef int rdi_selectconfig_proc (RDI_ConfigAspect aspect, char const *name,
-				   RDI_ConfigMatchType matchtype,
-				   unsigned versionreq, unsigned *versionp);
-
-typedef char *getbufferproc (void *getbarg, unsigned long *sizep);
-typedef int rdi_loadagentproc (ARMword dest, unsigned long size,
-			       getbufferproc * getb, void *getbarg);
-
-typedef struct
-{
-  int itemmax;
-  char const *const *names;
-}
-RDI_NameList;
-
-typedef RDI_NameList const *rdi_namelistproc (void);
-
-typedef int rdi_errmessproc (char *buf, int buflen, int errno);
-
-struct RDIProcVec
-{
-  char rditypename[12];
-
-  rdi_open_proc *open;
-  rdi_close_proc *close;
-  rdi_read_proc *read;
-  rdi_write_proc *write;
-  rdi_CPUread_proc *CPUread;
-  rdi_CPUwrite_proc *CPUwrite;
-  rdi_CPread_proc *CPread;
-  rdi_CPwrite_proc *CPwrite;
-  rdi_setbreak_proc *setbreak;
-  rdi_clearbreak_proc *clearbreak;
-  rdi_setwatch_proc *setwatch;
-  rdi_clearwatch_proc *clearwatch;
-  rdi_execute_proc *execute;
-  rdi_step_proc *step;
-  rdi_info_proc *info;
-  /* V2 RDI */
-  rdi_pointinq_proc *pointinquiry;
-
-  /* These three useable only if RDIInfo_DownLoad returns no error */
-  rdi_addconfig_proc *addconfig;
-  rdi_loadconfigdata_proc *loadconfigdata;
-  rdi_selectconfig_proc *selectconfig;
-
-  rdi_namelistproc *drivernames;
-  rdi_namelistproc *cpunames;
-
-  rdi_errmessproc *errmess;
-
-  /* Only if RDIInfo_Target returns a value with RDITarget_LoadAgent set */
-  rdi_loadagentproc *loadagent;
-};
-
 #endif
 
 extern unsigned int swi_mask;
diff --git a/sim/arm/gdbhost.c b/sim/arm/gdbhost.c
deleted file mode 100644
index aacaacc..0000000
--- a/sim/arm/gdbhost.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/*  gdbhost.c -- ARMulator RDP to gdb comms code:  ARM6 Instruction Emulator.
-    Copyright (C) 1994 Advanced RISC Machines Ltd.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, see <http://www.gnu.org/licenses/>. */
-
-/***********************************************************/
-/* Functions that communicate info back to the debugger... */
-/***********************************************************/
-
-#include <stdio.h>
-#include <stdarg.h>
-#include "armdefs.h"
-#include "communicate.h"
-#include "dbg_rdi.h"
-#include "armos.h"
-
-#define OS_SendNothing 0x0
-#define OS_SendChar 0x1
-#define OS_SendWord 0x2
-#define OS_SendString 0x3
-
-/* Defined in kid.c */
-extern int wait_for_osreply (ARMword * reply);
-
-/* A pipe for handling SWI return values that goes straight from the */
-/* parent to the ARMulator host interface, bypassing the childs RDP */
-/* to RDI interpreter */
-int DebuggerARMul[2];
-
-/* The pipes between the two processes */
-int mumkid[2];
-int kidmum[2];
-
-void
-myprint (void *arg, const char *format, va_list ap)
-{
-#ifdef DEBUG
-  fprintf (stderr, "Host: myprint\n");
-#endif
-  vfprintf (stderr, format, ap);
-}
-
-
-/* Waits for a keypress on the debuggers' keyboard */
-void
-mypause (void *arg)
-{
-#ifdef DEBUG
-  fprintf (stderr, "Host: mypause\n");
-#endif
-}				/* I do love exciting functions */
-
-void
-mywritec (void *arg, int c)
-{
-#ifdef DEBUG
-  fprintf (stderr, "Mywrite : %c\n", c);
-#endif
-  MYwrite_char (kidmum[1], RDP_OSOp);	/* OS Operation Request Message */
-  MYwrite_word (kidmum[1], SWI_WriteC);	/* Print... */
-  MYwrite_char (kidmum[1], OS_SendChar);	/*  ...a single character */
-  MYwrite_char (kidmum[1], (unsigned char) c);
-
-  wait_for_osreply ((ARMword *) 0);
-}
-
-int
-myreadc (void *arg)
-{
-  char c;
-  ARMword x;
-
-#ifdef DEBUG
-  fprintf (stderr, "Host: myreadc\n");
-#endif
-  MYwrite_char (kidmum[1], RDP_OSOp);	/* OS Operation Request Message */
-  MYwrite_word (kidmum[1], SWI_ReadC);	/* Read... */
-  MYwrite_char (kidmum[1], OS_SendNothing);
-
-  c = wait_for_osreply (&x);
-  return (x);
-}
-
-
-int
-mywrite (void *arg, char const *buffer, int len)
-{
-#ifdef DEBUG
-  fprintf (stderr, "Host: mywrite\n");
-#endif
-  return 0;
-}
-
-char *
-mygets (void *arg, char *buffer, int len)
-{
-#ifdef DEBUG
-  fprintf (stderr, "Host: mygets\n");
-#endif
-  return buffer;
-}
diff --git a/sim/arm/gdbhost.h b/sim/arm/gdbhost.h
deleted file mode 100644
index f24fb60..0000000
--- a/sim/arm/gdbhost.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*  gdbhost.h -- ARMulator to gdb interface:  ARM6 Instruction Emulator.
-    Copyright (C) 1994 Advanced RISC Machines Ltd.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, see <http://www.gnu.org/licenses/>. */
-
-void myprint (void *arg, const char *format, va_list ap);
-void mypause (void *arg);
-void mywritec (void *arg, int c);
-int myreadc (void *arg);
-int mywrite (void *arg, char const *buffer, int len);
-char *mygets (void *arg, char *buffer, int len);
diff --git a/sim/arm/kid.c b/sim/arm/kid.c
deleted file mode 100644
index 340b999..0000000
--- a/sim/arm/kid.c
+++ /dev/null
@@ -1,539 +0,0 @@
-/*  kid.c -- ARMulator RDP/RDI interface:  ARM6 Instruction Emulator.
-    Copyright (C) 1994 Advanced RISC Machines Ltd.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, see <http://www.gnu.org/licenses/>. */
-
-/*****************************************************************/
-/* The child process continues here...                           */
-/* It waits on a pipe from the parent and translates the RDP     */
-/* messages into RDI calls to the ARMulator passing RDP replies  */
-/* back up a pipe to the parent.                                 */
-/*****************************************************************/
-
-#include <sys/types.h>
-#include <signal.h>
-
-#include "armdefs.h"
-#include "dbg_conf.h"
-#include "dbg_hif.h"
-#include "dbg_rdi.h"
-#include "gdbhost.h"
-#include "communicate.h"
-
-/* The pipes between the two processes */
-extern int mumkid[2];
-extern int kidmum[2];
-
-/* The maximum number of file descriptors */
-extern int nfds;
-
-/* The machine name */
-#define MAXHOSTNAMELENGTH 64
-extern char localhost[MAXHOSTNAMELENGTH + 1];
-
-/* The socket number */
-extern unsigned int socketnumber;
-
-/* RDI interface */
-extern const struct RDIProcVec armul_rdi;
-
-static int MYrdp_level = 0;
-
-static int rdi_state = 0;
-
-/**************************************************************/
-/* Signal handler that terminates excecution in the ARMulator */
-/**************************************************************/
-void
-kid_handlesignal (int sig)
-{
-#ifdef DEBUG
-  fprintf (stderr, "Terminate ARMulator excecution\n");
-#endif
-  if (sig != SIGUSR1)
-    {
-      fprintf (stderr, "Unsupported signal.\n");
-      return;
-    }
-  armul_rdi.info (RDISignal_Stop, (unsigned long *) 0, (unsigned long *) 0);
-}
-
-/********************************************************************/
-/* Waits on a pipe from the socket demon for RDP and                */
-/* acts as an RDP to RDI interpreter on the front of the ARMulator. */
-/********************************************************************/
-void
-kid ()
-{
-  char *p, *q;
-  int i, j, k;
-  long outofthebag;
-  unsigned char c, d, message;
-  ARMword x, y, z;
-  struct sigaction action;
-  PointHandle point;
-  Dbg_ConfigBlock config;
-  Dbg_HostosInterface hostif;
-  struct Dbg_MCState *MCState;
-  char command_line[256];
-  struct fd_set readfds;
-
-  /* Setup a signal handler for SIGUSR1 */
-  action.sa_handler = kid_handlesignal;
-  action.sa_mask = 0;
-  action.sa_flags = 0;
-
-  sigaction (SIGUSR1, &action, (struct sigaction *) 0);
-
-  while (1)
-    {
-      /* Wait for ever */
-      FD_ZERO (&readfds);
-      FD_SET (mumkid[0], &readfds);
-
-      i = select (nfds, &readfds,
-		  (fd_set *) 0, (fd_set *) 0, (struct timeval *) 0);
-
-      if (i < 0)
-	{
-	  perror ("select");
-	}
-
-      if (read (mumkid[0], &message, 1) < 1)
-	{
-	  perror ("read");
-	}
-
-      switch (message)
-	{
-	case RDP_Start:
-	  /* Open and/or Initialise */
-	  BAG_newbag ();
-
-	  MYread_char (mumkid[0], &c);	/* type */
-	  MYread_word (mumkid[0], &x);	/* memorysize */
-	  if (c & 0x2)
-	    MYread_char (mumkid[0], &d);	/* speed */
-	  config.processor = 0;
-	  config.memorysize = x;
-	  config.bytesex = (c & 0x4) ? RDISex_Big : RDISex_Little;
-	  if (c & 0x8)
-	    config.bytesex = RDISex_DontCare;
-
-	  hostif.dbgprint = myprint;
-	  hostif.dbgpause = mypause;
-	  hostif.dbgarg = stdout;
-	  hostif.writec = mywritec;
-	  hostif.readc = myreadc;
-	  hostif.write = mywrite;
-	  hostif.gets = mygets;
-	  hostif.reset = mypause;	/* do nothing */
-	  hostif.resetarg = "Do I love resetting or what!\n";
-
-	  if (rdi_state)
-	    {
-	      /* we have restarted, so kill off the existing run.  */
-	      /* armul_rdi.close(); */
-	    }
-	  i = armul_rdi.open (c & 0x3, &config, &hostif, MCState);
-	  rdi_state = 1;
-
-	  MYwrite_char (kidmum[1], RDP_Return);
-	  MYwrite_char (kidmum[1], (unsigned char) i);
-
-	  x = ~0x4;
-	  armul_rdi.info (RDIVector_Catch, &x, 0);
-
-	  break;
-
-	case RDP_End:
-	  /* Close and Finalise */
-	  i = armul_rdi.close ();
-	  rdi_state = 0;
-	  MYwrite_char (kidmum[1], RDP_Return);
-	  MYwrite_char (kidmum[1], (unsigned char) i);
-	  break;
-
-	case RDP_Read:
-	  /* Read Memory Address */
-	  MYread_word (mumkid[0], &x);	/* address */
-	  MYread_word (mumkid[0], &y);	/* nbytes */
-	  p = (char *) malloc (y);
-	  i = armul_rdi.read (x, p, (unsigned *) &y);
-	  MYwrite_char (kidmum[1], RDP_Return);
-	  for (k = 0; k < y; k++)
-	    MYwrite_char (kidmum[1], p[k]);
-	  free (p);
-	  MYwrite_char (kidmum[1], (unsigned char) i);
-	  if (i)
-	    MYwrite_word (kidmum[1], y);	/* number of bytes sent without error */
-	  break;
-
-	case RDP_Write:
-	  /* Write Memory Address */
-	  MYread_word (mumkid[0], &x);	/* address */
-	  MYread_word (mumkid[0], &y);	/* nbytes */
-	  p = (char *) malloc (y);
-	  for (k = 0; k < y; k++)
-	    MYread_char (mumkid[0], &p[k]);
-	  i = armul_rdi.write (p, x, (unsigned *) &y);
-	  free (p);
-	  MYwrite_char (kidmum[1], RDP_Return);
-	  MYwrite_char (kidmum[1], (unsigned char) i);
-	  if (i)
-	    MYwrite_word (kidmum[1], y);	/* number of bytes sent without error */
-	  break;
-
-	case RDP_CPUread:
-	  /* Read CPU State */
-	  MYread_char (mumkid[0], &c);	/* mode */
-	  MYread_word (mumkid[0], &x);	/* mask */
-	  p = (char *) malloc (4 * RDINumCPURegs);
-	  i = armul_rdi.CPUread (c, x, (ARMword *) p);
-	  MYwrite_char (kidmum[1], RDP_Return);
-	  for (k = 1, j = 0; k != 0x80000000; k *= 2)
-	    if (k & x)
-	      MYwrite_word (kidmum[1], ((ARMword *) p)[j++]);
-	  free (p);
-	  if (i)
-	    MYwrite_char (kidmum[1], (unsigned char) j);
-	  MYwrite_char (kidmum[1], (unsigned char) i);
-	  break;
-
-	case RDP_CPUwrite:
-	  /* Write CPU State */
-	  MYread_char (mumkid[0], &c);	/* mode */
-	  MYread_word (mumkid[0], &x);	/* mask */
-
-	  p = (char *) malloc (4 * RDINumCPURegs);
-	  for (k = 1, j = 0; k != 0x80000000; k *= 2)
-	    if (k & x)
-	      MYread_word (mumkid[0], &(((ARMword *) p)[j++]));
-	  i = armul_rdi.CPUwrite (c, x, (ARMword *) p);
-	  MYwrite_char (kidmum[1], RDP_Return);
-	  MYwrite_char (kidmum[1], (unsigned char) i);
-	  free (p);
-	  break;
-
-	case RDP_CPread:
-	  /* Read Co-Processor State */
-	  MYread_char (mumkid[0], &c);	/* CPnum */
-	  MYread_word (mumkid[0], &x);	/* mask */
-	  p = q = (char *) malloc (16 * RDINumCPRegs);
-	  i = armul_rdi.CPread (c, x, (ARMword *) p);
-	  MYwrite_char (kidmum[1], RDP_Return);
-	  for (k = 1, j = 0; k != 0x80000000; k *= 2, j++)
-	    if (k & x)
-	      {
-		if ((c == 1 || c == 2) && k <= 128)
-		  {
-		    MYwrite_FPword (kidmum[1], q);
-		    q += 16;
-		  }
-		else
-		  {
-		    MYwrite_word (kidmum[1], *q);
-		    q += 4;
-		  }
-	      }
-	  free (p);
-	  if (i)
-	    MYwrite_char (kidmum[1], (unsigned char) j);
-	  MYwrite_char (kidmum[1], (unsigned char) i);
-	  break;
-
-	case RDP_CPwrite:
-	  /* Write Co-Processor State */
-	  MYread_char (mumkid[0], &c);	/* CPnum */
-	  MYread_word (mumkid[0], &x);	/* mask */
-	  p = q = (char *) malloc (16 * RDINumCPURegs);
-	  for (k = 1, j = 0; k != 0x80000000; k *= 2, j++)
-	    if (k & x)
-	      {
-		if ((c == 1 || c == 2) && k <= 128)
-		  {
-		    MYread_FPword (kidmum[1], q);
-		    q += 16;
-		  }
-		else
-		  {
-		    MYread_word (mumkid[0], (ARMword *) q);
-		    q += 4;
-		  }
-	      }
-	  i = armul_rdi.CPwrite (c, x, (ARMword *) p);
-	  MYwrite_char (kidmum[1], RDP_Return);
-	  MYwrite_char (kidmum[1], (unsigned char) i);
-	  free (p);
-	  break;
-
-	case RDP_SetBreak:
-	  /* Set Breakpoint */
-	  MYread_word (mumkid[0], &x);	/* address */
-	  MYread_char (mumkid[0], &c);	/* type */
-	  if ((c & 0xf) >= 5)
-	    MYread_word (mumkid[0], &y);	/* bound */
-	  i = armul_rdi.setbreak (x, c, y, &point);
-	  if (!MYrdp_level)
-	    BAG_putpair ((long) x, (long) point);
-	  MYwrite_char (kidmum[1], RDP_Return);
-	  if (MYrdp_level)
-	    MYwrite_word (kidmum[1], point);
-	  MYwrite_char (kidmum[1], (unsigned char) i);
-	  break;
-
-	case RDP_ClearBreak:
-	  /* Clear Breakpoint */
-	  MYread_word (mumkid[0], &point);	/* PointHandle */
-	  if (!MYrdp_level)
-	    {
-	      BAG_getsecond ((long) point, &outofthebag);	/* swap pointhandle for address */
-	      BAG_killpair_byfirst (outofthebag);
-	      point = outofthebag;
-	    }
-	  i = armul_rdi.clearbreak (point);
-	  MYwrite_char (kidmum[1], RDP_Return);
-	  MYwrite_char (kidmum[1], (unsigned char) i);
-	  break;
-
-	case RDP_SetWatch:
-	  /* Set Watchpoint */
-	  MYread_word (mumkid[0], &x);	/* address */
-	  MYread_char (mumkid[0], &c);	/* type */
-	  MYread_char (mumkid[0], &d);	/* datatype */
-	  if ((c & 0xf) >= 5)
-	    MYread_word (mumkid[0], &y);	/* bound */
-	  i = armul_rdi.setwatch (x, c, d, y, &point);
-	  MYwrite_char (kidmum[1], RDP_Return);
-	  MYwrite_word (kidmum[1], point);
-	  MYwrite_char (kidmum[1], (unsigned char) i);
-	  break;
-
-	case RDP_ClearWatch:
-	  /* Clear Watchpoint */
-	  MYread_word (mumkid[0], &point);	/* PointHandle */
-	  i = armul_rdi.clearwatch (point);
-	  MYwrite_char (kidmum[1], RDP_Return);
-	  MYwrite_char (kidmum[1], (unsigned char) i);
-	  break;
-
-	case RDP_Execute:
-	  /* Excecute */
-
-	  MYread_char (mumkid[0], &c);	/* return */
-
-#ifdef DEBUG
-	  fprintf (stderr, "Starting execution\n");
-#endif
-	  i = armul_rdi.execute (&point);
-#ifdef DEBUG
-	  fprintf (stderr, "Completed execution\n");
-#endif
-	  MYwrite_char (kidmum[1], RDP_Return);
-	  if (c & 0x80)
-	    MYwrite_word (kidmum[1], point);
-	  MYwrite_char (kidmum[1], (unsigned char) i);
-	  break;
-
-	case RDP_Step:
-	  /* Step */
-	  MYread_char (mumkid[0], &c);	/* return */
-	  MYread_word (mumkid[0], &x);	/* ninstr */
-	  point = 0x87654321;
-	  i = armul_rdi.step (x, &point);
-	  MYwrite_char (kidmum[1], RDP_Return);
-	  if (c & 0x80)
-	    MYwrite_word (kidmum[1], point);
-	  MYwrite_char (kidmum[1], (unsigned char) i);
-	  break;
-
-	case RDP_Info:
-	  /* Info */
-	  MYread_word (mumkid[0], &x);
-	  switch (x)
-	    {
-	    case RDIInfo_Target:
-	      i = armul_rdi.info (RDIInfo_Target, &y, &z);
-	      MYwrite_char (kidmum[1], RDP_Return);
-	      MYwrite_word (kidmum[1], y);	/* Loads of info... */
-	      MYwrite_word (kidmum[1], z);	/* Model */
-	      MYwrite_char (kidmum[1], (unsigned char) i);
-	      break;
-
-	    case RDISet_RDILevel:
-	      MYread_word (mumkid[0], &x);	/* arg1, debug level */
-	      i = armul_rdi.info (RDISet_RDILevel, &x, 0);
-	      if (i == RDIError_NoError)
-		MYrdp_level = x;
-	      MYwrite_char (kidmum[1], RDP_Return);
-	      MYwrite_char (kidmum[1], (unsigned char) i);
-	      break;
-
-	    case RDISet_Cmdline:
-	      for (p = command_line; MYread_char (mumkid[0], p), *p; p++)
-		;		/* String */
-	      i = armul_rdi.info (RDISet_Cmdline,
-				  (unsigned long *) command_line, 0);
-	      MYwrite_char (kidmum[1], RDP_Return);
-	      MYwrite_char (kidmum[1], (unsigned char) i);
-	      break;
-
-	    case RDIInfo_Step:
-	      i = armul_rdi.info (RDIInfo_Step, &x, 0);
-	      MYwrite_char (kidmum[1], RDP_Return);
-	      MYwrite_word (kidmum[1], x);
-	      MYwrite_char (kidmum[1], (unsigned char) i);
-	      break;
-
-	    case RDIVector_Catch:
-	      MYread_word (mumkid[0], &x);
-	      i = armul_rdi.info (RDIVector_Catch, &x, 0);
-	      MYwrite_char (kidmum[1], RDP_Return);
-	      MYwrite_char (kidmum[1], i);
-	      break;
-
-	    case RDIInfo_Points:
-	      i = armul_rdi.info (RDIInfo_Points, &x, 0);
-	      MYwrite_char (kidmum[1], RDP_Return);
-	      MYwrite_word (kidmum[1], x);
-	      MYwrite_char (kidmum[1], (unsigned char) i);
-	      break;
-
-	    default:
-	      fprintf (stderr, "Unsupported info code %d\n", x);
-	      break;
-	    }
-	  break;
-
-	case RDP_OSOpReply:
-	  /* OS Operation Reply */
-	  MYwrite_char (kidmum[1], RDP_Fatal);
-	  break;
-
-	case RDP_Reset:
-	  /* Reset */
-	  for (i = 0; i < 50; i++)
-	    MYwrite_char (kidmum[1], RDP_Reset);
-	  p = (char *) malloc (MAXHOSTNAMELENGTH + 5 + 20);
-	  sprintf (p, "Running on %s:%d\n", localhost, socketnumber);
-	  MYwrite_string (kidmum[1], p);
-	  free (p);
-
-	  break;
-	default:
-	  fprintf (stderr, "Oh dear: Something is seriously wrong :-(\n");
-	  /* Hmm.. bad RDP operation */
-	  break;
-	}
-    }
-}
-
-
-/* Handles memory read operations until an OS Operation Reply Message is */
-/* encounterd. It then returns the byte info value (0, 1, or 2) and fills  */
-/* in 'putinr0' with the data if appropriate. */
-int
-wait_for_osreply (ARMword * reply)
-{
-  char *p, *q;
-  int i, j, k;
-  unsigned char c, d, message;
-  ARMword x, y, z;
-  struct sigaction action;
-  PointHandle point;
-  Dbg_ConfigBlock config;
-  Dbg_HostosInterface hostif;
-  struct Dbg_MCState *MCState;
-  char command_line[256];
-  struct fd_set readfds;
-
-#ifdef DEBUG
-  fprintf (stderr, "wait_for_osreply ().\n");
-#endif
-
-  /* Setup a signal handler for SIGUSR1 */
-  action.sa_handler = kid_handlesignal;
-  action.sa_mask = 0;
-  action.sa_flags = 0;
-
-  sigaction (SIGUSR1, &action, (struct sigaction *) 0);
-
-  while (1)
-    {
-      /* Wait for ever */
-      FD_ZERO (&readfds);
-      FD_SET (mumkid[0], &readfds);
-
-      i = select (nfds, &readfds,
-		  (fd_set *) 0, (fd_set *) 0, (struct timeval *) 0);
-
-      if (i < 0)
-	{
-	  perror ("select");
-	}
-
-      if (read (mumkid[0], &message, 1) < 1)
-	{
-	  perror ("read");
-	}
-
-      switch (message)
-	{
-	case RDP_Read:
-	  /* Read Memory Address */
-	  MYread_word (mumkid[0], &x);	/* address */
-	  MYread_word (mumkid[0], &y);	/* nbytes */
-	  p = (char *) malloc (y);
-	  i = armul_rdi.read (x, p, (unsigned *) &y);
-	  MYwrite_char (kidmum[1], RDP_Return);
-	  for (k = 0; k < y; k++)
-	    MYwrite_char (kidmum[1], p[k]);
-	  free (p);
-	  MYwrite_char (kidmum[1], (unsigned char) i);
-	  if (i)
-	    MYwrite_word (kidmum[1], y);	/* number of bytes sent without error */
-	  break;
-
-	case RDP_Write:
-	  /* Write Memory Address */
-	  MYread_word (mumkid[0], &x);	/* address */
-	  MYread_word (mumkid[0], &y);	/* nbytes */
-	  p = (char *) malloc (y);
-	  for (k = 0; k < y; k++)
-	    MYread_char (mumkid[0], &p[k]);
-	  i = armul_rdi.write (p, x, (unsigned *) &y);
-	  free (p);
-	  MYwrite_char (kidmum[1], RDP_Return);
-	  MYwrite_char (kidmum[1], (unsigned char) i);
-	  if (i)
-	    MYwrite_word (kidmum[1], y);	/* number of bytes sent without error */
-	  break;
-
-	case RDP_OSOpReply:
-	  /* OS Operation Reply */
-	  MYread_char (mumkid[0], &c);
-	  if (c == 1)
-	    MYread_char (mumkid[0], (char *) reply);
-	  if (c == 2)
-	    MYread_word (mumkid[0], reply);
-	  return c;
-	  break;
-
-	default:
-	  fprintf (stderr,
-		   "HELP! Unaccounted-for message during OS request. \n");
-	  MYwrite_char (kidmum[1], RDP_Fatal);
-	}
-    }
-}
diff --git a/sim/arm/main.c b/sim/arm/main.c
deleted file mode 100644
index 2ce1af1..0000000
--- a/sim/arm/main.c
+++ /dev/null
@@ -1,193 +0,0 @@
-/*  main.c -- top level of ARMulator:  ARM6 Instruction Emulator.
-    Copyright (C) 1994 Advanced RISC Machines Ltd.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, see <http://www.gnu.org/licenses/>. */
-
-/**********************************************************************/
-/* Forks the ARMulator and hangs on a socket passing on RDP messages  */
-/* down a pipe to the ARMulator which translates them into RDI calls. */
-/**********************************************************************/
-
-#include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <signal.h>
-#include <netdb.h>
-#include <unistd.h>
-
-#include "armdefs.h"
-#include "dbg_rdi.h"
-#include "dbg_conf.h"
-
-#define MAXHOSTNAMELENGTH 64
-
-/* Read and write routines down sockets and pipes */
-
-void MYread_chars (int sock, void *p, int n);
-unsigned char MYread_char (int sock);
-ARMword MYread_word (int sock);
-void MYread_FPword (int sock, char *putinhere);
-
-void MYwrite_word (int sock, ARMword i);
-void MYwrite_string (int sock, char *s);
-void MYwrite_FPword (int sock, char *fromhere);
-void MYwrite_char (int sock, unsigned char c);
-
-void passon (int source, int dest, int n);
-
-
-/* Mother and child processes */
-void parent (void);
-void kid (void);
-
-/* The child process id. */
-pid_t child;
-
-/* The socket to the debugger */
-int debugsock;
-
-/* The pipes between the two processes */
-int mumkid[2];
-int kidmum[2];
-
-/* A pipe for handling SWI return values that goes straight from the */
-/* parent to the ARMulator host interface, bypassing the childs RDP */
-/* to RDI interpreter */
-int DebuggerARMul[2];
-
-/* The maximum number of file descriptors */
-int nfds;
-
-/* The socket handle */
-int sockethandle;
-
-/* The machine name */
-char localhost[MAXHOSTNAMELENGTH + 1];
-
-/* The socket number */
-unsigned int socketnumber;
-
-/**************************************************************/
-/* Takes one argument: the socket number.                     */
-/* Opens a socket to the debugger, and once opened spawns the */
-/* ARMulator and sets up a couple of pipes.                   */
-/**************************************************************/
-int
-main (int argc, char *argv[])
-{
-  int i;
-  struct sockaddr_in devil, isa;
-  struct hostent *hp;
-
-
-  if (argc == 1)
-    {
-      fprintf (stderr, "No socket number\n");
-      return 1;
-    }
-
-  sscanf (argv[1], "%d", &socketnumber);
-  if (!socketnumber || socketnumber > 0xffff)
-    {
-      fprintf (stderr, "Invalid socket number: %d\n", socketnumber);
-      return 1;
-    }
-
-  gethostname (localhost, MAXHOSTNAMELENGTH);
-  hp = gethostbyname (localhost);
-  if (!hp)
-    {
-      fprintf (stderr, "Cannot get local host info\n");
-      return 1;
-    }
-
-  /* Open a socket */
-  sockethandle = socket (hp->h_addrtype, SOCK_STREAM, 0);
-  if (sockethandle == -1)
-    {
-      perror ("socket");
-      return 1;
-    }
-
-  devil.sin_family = hp->h_addrtype;
-  devil.sin_port = htons (socketnumber);
-  devil.sin_addr.s_addr = 0;
-  for (i = 0; i < sizeof (devil.sin_zero); i++)
-    devil.sin_zero[i] = '\000';
-  memcpy (&devil.sin_addr, hp->h_addr_list[0], hp->h_length);
-
-  if (bind (sockethandle, &devil, sizeof (devil)) < 0)
-    {
-      perror ("bind");
-      return 1;
-    }
-
-  /* May only accept one debugger at once */
-
-  if (listen (sockethandle, 0))
-    {
-      perror ("listen");
-      return 1;
-    }
-
-  fprintf (stderr, "Waiting for connection from debugger...");
-
-  debugsock = accept (sockethandle, &isa, &i);
-  if (debugsock == -1)
-    {
-      perror ("accept");
-      return 1;
-    }
-
-  fprintf (stderr, " done.\nConnection Established.\n");
-
-  nfds = getdtablesize ();
-
-  if (pipe (mumkid))
-    {
-      perror ("pipe");
-      return 1;
-    }
-  if (pipe (kidmum))
-    {
-      perror ("pipe");
-      return 1;
-    }
-
-  if (pipe (DebuggerARMul))
-    {
-      perror ("pipe");
-      return 1;
-    }
-
-#ifdef DEBUG
-  fprintf (stderr, "Created pipes ok\n");
-#endif
-
-  child = fork ();
-
-#ifdef DEBUG
-  fprintf (stderr, "fork() ok\n");
-#endif
-
-  if (child == 0)
-    kid ();
-  if (child != -1)
-    parent ();
-
-  perror ("fork");
-  return 1;
-}
diff --git a/sim/arm/parent.c b/sim/arm/parent.c
deleted file mode 100644
index ef33d3f..0000000
--- a/sim/arm/parent.c
+++ /dev/null
@@ -1,480 +0,0 @@
-/*  parent.c -- ARMulator RDP comms code:  ARM6 Instruction Emulator.
-    Copyright (C) 1994 Advanced RISC Machines Ltd.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, see <http://www.gnu.org/licenses/>. */
-
-/*****************************************************************/
-/* The Parent process continues here...                          */
-/* It waits on the socket and passes on RDP messages down a pipe */
-/* to the ARMulator RDP to RDI interpreter.                      */
-/*****************************************************************/
-
-#include <stdio.h>
-#include <sys/types.h>
-#include <signal.h>
-#include "time.h"
-#include "armdefs.h"
-#include "dbg_rdi.h"
-#include "communicate.h"
-
-/* The socket to the debugger */
-extern int debugsock;
-
-/* The pipes between the two processes */
-extern int mumkid[2];
-extern int kidmum[2];
-
-/* A pipe for handling SWI return values that goes straight from the */
-/* parent to the ARMulator host interface, bypassing the child's RDP */
-/* to RDI interpreter */
-extern int DebuggerARMul[2];
-
-/* The maximum number of file descriptors */
-extern int nfds;
-
-/* The child process id. */
-extern pid_t child;
-
-void
-parent ()
-{
-  int i, j, k;
-  unsigned char message, CPnum, exreturn;
-  ARMword mask, nbytes, messagetype;
-  unsigned char c, d;
-  ARMword x, y;
-  int virgin = 1;
-  struct fd_set readfds;
-
-#ifdef DEBUG
-  fprintf (stderr, "parent ()...\n");
-#endif
-
-panic_error:
-
-  if (!virgin)
-    {
-#ifdef DEBUG
-      fprintf (stderr, "Arghh! What is going on?\n");
-#endif
-      kill (child, SIGHUP);
-      MYwrite_char (debugsock, RDP_Reset);
-    }
-
-  virgin = 0;
-
-  while (1)
-    {
-
-      /* Wait either for the ARMulator or the debugger */
-
-      FD_ZERO (&readfds);
-      FD_SET (kidmum[0], &readfds);	/* Wait for messages from ARMulator */
-      FD_SET (debugsock, &readfds);	/* Wait for messages from debugger */
-
-#ifdef DEBUG
-      fprintf (stderr, "Waiting for ARMulator or debugger... ");
-#endif
-
-      while ((i = select (nfds, &readfds, (fd_set *) 0, (fd_set *) 0, 0)) < 0)
-	{
-	  perror ("select");
-	}
-
-#ifdef DEBUG
-      fprintf (stderr, "(%d/2)", i);
-#endif
-
-      if (FD_ISSET (debugsock, &readfds))
-	{
-#ifdef DEBUG
-	  fprintf (stderr, "->debugger\n");
-#endif
-
-	  /* Inside this rather large if statement with simply pass on a complete
-	     message to the ARMulator.  The reason we need to pass messages on one
-	     at a time is that we have to know whether the message is an OSOpReply
-	     or an info(stop), so that we can take different action in those
-	     cases. */
-
-	  if (MYread_char (debugsock, &message))
-	    goto panic_error;
-
-	  switch (message)
-	    {
-	    case RDP_Start:
-	      /* Open and/or Initialise */
-#ifdef DEBUG
-	      fprintf (stderr, "RDP Open\n");
-#endif
-	      if (MYread_char (debugsock, &c))	/* type */
-		goto panic_error;
-
-	      if (MYread_word (debugsock, &x))	/* memory size */
-		goto panic_error;
-
-	      MYwrite_char (mumkid[1], message);
-	      MYwrite_char (mumkid[1], c);
-	      MYwrite_word (mumkid[1], x);
-	      if (c & 0x2)
-		{
-		  passon (debugsock, mumkid[1], 1);	/* speed */
-		}
-	      break;
-
-	    case RDP_End:
-	      /* Close and Finalise */
-#ifdef DEBUG
-	      fprintf (stderr, "RDP Close\n");
-#endif
-	      MYwrite_char (mumkid[1], message);
-	      break;
-
-	    case RDP_Read:
-	      /* Read Memory Address */
-#ifdef DEBUG
-	      fprintf (stderr, "RDP Read Memory\n");
-#endif
-	      MYwrite_char (mumkid[1], message);
-	      if (passon (debugsock, mumkid[1], 4))
-		goto panic_error;	/* address */
-	      if (MYread_word (debugsock, &nbytes))
-		goto panic_error;	/* nbytes */
-	      MYwrite_word (mumkid[1], nbytes);
-	      break;
-
-	    case RDP_Write:
-	      /* Write Memory Address */
-#ifdef DEBUG
-	      fprintf (stderr, "RDP Write Memory\n");
-#endif
-	      if (MYread_word (debugsock, &x))
-		goto panic_error;	/* address */
-
-	      if (MYread_word (debugsock, &y))
-		goto panic_error;	/* nbytes */
-
-	      MYwrite_char (mumkid[1], message);
-	      MYwrite_word (mumkid[1], x);
-	      MYwrite_word (mumkid[1], y);
-	      passon (debugsock, mumkid[1], y);	/* actual data */
-	      break;
-
-	    case RDP_CPUread:
-	      /* Read CPU State */
-#ifdef DEBUG
-	      fprintf (stderr, "RDP Read CPU\n");
-#endif
-	      if (MYread_char (debugsock, &c))
-		goto panic_error;	/* mode */
-
-	      if (MYread_word (debugsock, &mask))
-		goto panic_error;	/* mask */
-
-	      MYwrite_char (mumkid[1], message);
-	      MYwrite_char (mumkid[1], c);
-	      MYwrite_word (mumkid[1], mask);
-	      break;
-
-	    case RDP_CPUwrite:
-	      /* Write CPU State */
-#ifdef DEBUG
-	      fprintf (stderr, "RDP Write CPU\n");
-#endif
-	      if (MYread_char (debugsock, &c))
-		goto panic_error;	/* mode */
-
-	      if (MYread_word (debugsock, &x))
-		goto panic_error;	/* mask */
-
-	      MYwrite_char (mumkid[1], message);
-	      MYwrite_char (mumkid[1], c);
-	      MYwrite_word (mumkid[1], x);
-	      for (k = 1, j = 0; k != 0x80000000; k *= 2, j++)
-		if ((k & x) && passon (debugsock, mumkid[1], 4))
-		  goto panic_error;
-	      break;
-
-	    case RDP_CPread:
-	      /* Read Co-Processor State */
-#ifdef DEBUG
-	      fprintf (stderr, "RDP Read CP state\n");
-#endif
-	      if (MYread_char (debugsock, &CPnum))
-		goto panic_error;
-
-	      if (MYread_word (debugsock, &mask))
-		goto panic_error;
-
-	      MYwrite_char (mumkid[1], message);
-	      MYwrite_char (mumkid[1], CPnum);
-	      MYwrite_word (mumkid[1], mask);
-	      break;
-
-	    case RDP_CPwrite:
-	      /* Write Co-Processor State */
-#ifdef DEBUG
-	      fprintf (stderr, "RDP Write CP state\n");
-#endif
-	      if (MYread_char (debugsock, &CPnum))
-		goto panic_error;
-
-	      if (MYread_word (debugsock, &mask))
-		goto panic_error;
-
-	      MYwrite_char (mumkid[1], message);
-	      MYwrite_char (mumkid[1], c);
-	      MYwrite_char (mumkid[1], x);
-	      for (k = 1, j = 0; k != 0x80000000; k *= 2, j++)
-		if (k & x)
-		  {
-		    if ((c == 1 || c == 2) && k <= 128)
-		      {
-			/* FP register = 12 bytes + 4 bytes format */
-			if (passon (debugsock, mumkid[1], 16))
-			  goto panic_error;
-		      }
-		    else
-		      {
-			/* Normal register = 4 bytes */
-			if (passon (debugsock, mumkid[1], 4))
-			  goto panic_error;
-		      }
-		  }
-	      break;
-
-	    case RDP_SetBreak:
-	      /* Set Breakpoint */
-#ifdef DEBUG
-	      fprintf (stderr, "RDP Set Breakpoint\n");
-#endif
-	      if (MYread_word (debugsock, &x))
-		goto panic_error;	/* address */
-
-	      if (MYread_char (debugsock, &c))
-		goto panic_error;	/* type */
-
-	      MYwrite_char (mumkid[1], message);
-	      MYwrite_word (mumkid[1], x);
-	      MYwrite_char (mumkid[1], c);
-	      if (((c & 0xf) >= 5) && passon (debugsock, mumkid[1], 4))
-		goto panic_error;	/* bound */
-	      break;
-
-	    case RDP_ClearBreak:
-	      /* Clear Breakpoint */
-#ifdef DEBUG
-	      fprintf (stderr, "RDP Clear Breakpoint\n");
-#endif
-	      MYwrite_char (mumkid[1], message);
-	      if (passon (debugsock, mumkid[1], 4))
-		goto panic_error;	/* point */
-	      break;
-
-	    case RDP_SetWatch:
-	      /* Set Watchpoint */
-#ifdef DEBUG
-	      fprintf (stderr, "RDP Set Watchpoint\n");
-#endif
-	      if (MYread_word (debugsock, &x))
-		goto panic_error;	/* address */
-
-	      if (MYread_char (debugsock, &c))
-		goto panic_error;	/* type */
-
-	      if (MYread_char (debugsock, &d))
-		goto panic_error;	/* datatype */
-
-	      MYwrite_char (mumkid[1], message);
-	      MYwrite_word (mumkid[1], x);
-	      MYwrite_char (mumkid[1], c);
-	      MYwrite_char (mumkid[1], d);
-	      if (((c & 0xf) >= 5) && passon (debugsock, mumkid[1], 4))
-		goto panic_error;	/* bound */
-	      break;
-
-	    case RDP_ClearWatch:
-	      /* Clear Watchpoint */
-#ifdef DEBUG
-	      fprintf (stderr, "RDP Clear Watchpoint\n");
-#endif
-	      MYwrite_char (mumkid[1], message);
-	      if (passon (debugsock, mumkid[1], 4))
-		goto panic_error;	/* point */
-	      break;
-
-	    case RDP_Execute:
-	      /* Excecute */
-#ifdef DEBUG
-	      fprintf (stderr, "RDP Execute\n");
-#endif
-
-	      /* LEAVE THIS ONE 'TIL LATER... */
-	      /* NEED TO WORK THINGS OUT */
-
-	      /* NO ASCYNCHROUS RUNNING */
-
-	      if (MYread_char (debugsock, &c))
-		goto panic_error;	/* return */
-
-	      /* Remember incase bit 7 is set and we have to send back a word */
-	      exreturn = c;
-
-	      MYwrite_char (mumkid[1], message);
-	      MYwrite_char (mumkid[1], c);
-	      break;
-
-	    case RDP_Step:
-	      /* Step */
-#ifdef DEBUG
-	      fprintf (stderr, "RDP Step\n");
-#endif
-
-	      if (MYread_char (debugsock, &c))
-		goto panic_error;	/* return */
-
-	      if (MYread_word (debugsock, &x))
-		goto panic_error;	/* ninstr */
-
-	      MYwrite_char (mumkid[1], message);
-	      MYwrite_char (mumkid[1], c);
-	      MYwrite_word (mumkid[1], x);
-	      break;
-
-	    case RDP_Info:
-	      /* Info */
-#ifdef DEBUG
-	      fprintf (stderr, "RDP Info\n");
-#endif
-	      /* INFO TARGET, SET RDI LEVEL */
-	      if (MYread_word (debugsock, &messagetype))
-		goto panic_error;	/* info */
-
-	      switch (messagetype)
-		{
-		case RDIInfo_Target:
-		  MYwrite_char (mumkid[1], message);
-		  MYwrite_word (mumkid[1], messagetype);
-		  break;
-
-		case RDISet_RDILevel:
-		  MYwrite_char (mumkid[1], message);
-		  MYwrite_word (mumkid[1], messagetype);
-		  if (passon (debugsock, mumkid[1], 1))
-		    goto panic_error;	/* argument */
-		  break;
-
-		case RDISet_Cmdline:
-		  /* Got to pass on a string argument */
-		  MYwrite_char (mumkid[1], message);
-		  MYwrite_word (mumkid[1], messagetype);
-		  do
-		    {
-		      if (MYread_char (debugsock, &c))
-			goto panic_error;
-
-		      MYwrite_char (mumkid[1], c);
-		    }
-		  while (c);
-		  break;
-
-		case RDISignal_Stop:
-		  kill (child, SIGUSR1);
-		  MYwrite_char (debugsock, RDP_Return);
-		  MYwrite_char (debugsock, RDIError_UserInterrupt);
-		  break;
-
-		case RDIVector_Catch:
-		  MYread_word (debugsock, &x);
-		  MYwrite_char (mumkid[1], message);
-		  MYwrite_word (mumkid[1], messagetype);
-		  MYwrite_word (mumkid[1], x);
-		  break;
-
-		case RDIInfo_Step:
-		  MYwrite_char (mumkid[1], message);
-		  MYwrite_word (mumkid[1], messagetype);
-		  break;
-
-		case RDIInfo_Points:
-		  MYwrite_char (mumkid[1], message);
-		  MYwrite_word (mumkid[1], messagetype);
-		  break;
-
-		default:
-		  fprintf (stderr, "Unrecognized RDIInfo request %d\n",
-			   messagetype);
-		  goto panic_error;
-		}
-	      break;
-
-	    case RDP_OSOpReply:
-	      /* OS Operation Reply */
-#ifdef DEBUG
-	      fprintf (stderr, "RDP OS Reply\n");
-#endif
-	      MYwrite_char (mumkid[1], message);
-	      if (MYread_char (debugsock, &message))
-		goto panic_error;
-	      MYwrite_char (mumkid[1], message);
-	      switch (message)
-		{
-		case 0:	/* return value i.e. nothing else. */
-		  break;
-
-		case 1:	/* returns a byte... */
-		  if (MYread_char (debugsock, &c))
-		    goto panic_error;
-
-		  MYwrite_char (mumkid[1], c);
-		  break;
-
-		case 2:	/* returns a word... */
-		  if (MYread_word (debugsock, &x))
-		    goto panic_error;
-
-		  MYwrite_word (mumkid[1], x);
-		  break;
-		}
-	      break;
-
-	    case RDP_Reset:
-	      /* Reset */
-#ifdef DEBUG
-	      fprintf (stderr, "RDP Reset\n");
-#endif
-	      MYwrite_char (mumkid[1], message);
-	      break;
-
-	    default:
-	      /* Hmm.. bad RDP operation */
-	      fprintf (stderr, "RDP Bad RDP request (%d)\n", message);
-	      MYwrite_char (debugsock, RDP_Return);
-	      MYwrite_char (debugsock, RDIError_UnimplementedMessage);
-	      break;
-	    }
-	}
-
-      if (FD_ISSET (kidmum[0], &readfds))
-	{
-#ifdef DEBUG
-	  fprintf (stderr, "->ARMulator\n");
-#endif
-	  /* Anything we get from the ARMulator has to go to the debugger... */
-	  /* It is that simple! */
-
-	  passon (kidmum[0], debugsock, 1);
-	}
-    }
-}
diff --git a/sim/arm/wrapper.c b/sim/arm/wrapper.c
index 79f0b1d..db96cca 100644
--- a/sim/arm/wrapper.c
+++ b/sim/arm/wrapper.c
@@ -163,14 +163,6 @@ ARMul_ConsolePrint (ARMul_State * state,
     }
 }
 
-ARMword
-ARMul_Debug (ARMul_State * state ATTRIBUTE_UNUSED,
-	     ARMword       pc    ATTRIBUTE_UNUSED,
-	     ARMword       instr ATTRIBUTE_UNUSED)
-{
-  return 0;
-}
-
 int
 sim_write (SIM_DESC sd ATTRIBUTE_UNUSED,
 	   SIM_ADDR addr,