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.

1 files changed, 0 insertions, 254 deletions

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;
-}