gdb/sparcl-tdep.c

   1 // OBSOLETE /* Target dependent code for the Fujitsu SPARClite for GDB, the GNU debugger.
   2 // OBSOLETE    Copyright 1994, 1995, 1996, 1998, 1999, 2000, 2001
   3 // OBSOLETE    Free Software Foundation, Inc.
   4 // OBSOLETE
   5 // OBSOLETE    This file is part of GDB.
   6 // OBSOLETE
   7 // OBSOLETE    This program is free software; you can redistribute it and/or modify
   8 // OBSOLETE    it under the terms of the GNU General Public License as published by
   9 // OBSOLETE    the Free Software Foundation; either version 2 of the License, or
  10 // OBSOLETE    (at your option) any later version.
  11 // OBSOLETE
  12 // OBSOLETE    This program is distributed in the hope that it will be useful,
  13 // OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // OBSOLETE    GNU General Public License for more details.
  16 // OBSOLETE
  17 // OBSOLETE    You should have received a copy of the GNU General Public License
  18 // OBSOLETE    along with this program; if not, write to the Free Software
  19 // OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330,
  20 // OBSOLETE    Boston, MA 02111-1307, USA.  */
  21 // OBSOLETE
  22 // OBSOLETE #include "defs.h"
  23 // OBSOLETE #include "gdbcore.h"
  24 // OBSOLETE #include "breakpoint.h"
  25 // OBSOLETE #include "target.h"
  26 // OBSOLETE #include "serial.h"
  27 // OBSOLETE #include "regcache.h"
  28 // OBSOLETE #include <sys/types.h>
  29 // OBSOLETE
  30 // OBSOLETE #if (!defined(__GO32__) && !defined(_WIN32)) || defined(__CYGWIN__)
  31 // OBSOLETE #define HAVE_SOCKETS
  32 // OBSOLETE #include <sys/time.h>
  33 // OBSOLETE #include <sys/socket.h>
  34 // OBSOLETE #include <netinet/in.h>
  35 // OBSOLETE #include <netdb.h>
  36 // OBSOLETE #endif
  37 // OBSOLETE
  38 // OBSOLETE static struct target_ops sparclite_ops;
  39 // OBSOLETE
  40 // OBSOLETE static char *remote_target_name = NULL;
  41 // OBSOLETE static struct serial *remote_desc = NULL;
  42 // OBSOLETE static int serial_flag;
  43 // OBSOLETE #ifdef HAVE_SOCKETS
  44 // OBSOLETE static int udp_fd = -1;
  45 // OBSOLETE #endif
  46 // OBSOLETE
  47 // OBSOLETE static struct serial *open_tty (char *name);
  48 // OBSOLETE static int send_resp (struct serial *desc, char c);
  49 // OBSOLETE static void close_tty (void * ignore);
  50 // OBSOLETE #ifdef HAVE_SOCKETS
  51 // OBSOLETE static int recv_udp_buf (int fd, unsigned char *buf, int len, int timeout);
  52 // OBSOLETE static int send_udp_buf (int fd, unsigned char *buf, int len);
  53 // OBSOLETE #endif
  54 // OBSOLETE static void sparclite_open (char *name, int from_tty);
  55 // OBSOLETE static void sparclite_close (int quitting);
  56 // OBSOLETE static void download (char *target_name, char *args, int from_tty,
  57 // OBSOLETE                   void (*write_routine) (bfd * from_bfd,
  58 // OBSOLETE                                          asection * from_sec,
  59 // OBSOLETE                                          file_ptr from_addr,
  60 // OBSOLETE                                          bfd_vma to_addr, int len),
  61 // OBSOLETE                   void (*start_routine) (bfd_vma entry));
  62 // OBSOLETE static void sparclite_serial_start (bfd_vma entry);
  63 // OBSOLETE static void sparclite_serial_write (bfd * from_bfd, asection * from_sec,
  64 // OBSOLETE                                 file_ptr from_addr,
  65 // OBSOLETE                                 bfd_vma to_addr, int len);
  66 // OBSOLETE #ifdef HAVE_SOCKETS
  67 // OBSOLETE static unsigned short calc_checksum (unsigned char *buffer, int count);
  68 // OBSOLETE static void sparclite_udp_start (bfd_vma entry);
  69 // OBSOLETE static void sparclite_udp_write (bfd * from_bfd, asection * from_sec,
  70 // OBSOLETE                              file_ptr from_addr, bfd_vma to_addr,
  71 // OBSOLETE                              int len);
  72 // OBSOLETE #endif
  73 // OBSOLETE static void sparclite_download (char *filename, int from_tty);
  74 // OBSOLETE
  75 // OBSOLETE #define DDA2_SUP_ASI                0xb000000
  76 // OBSOLETE #define DDA1_SUP_ASI                0xb0000
  77 // OBSOLETE
  78 // OBSOLETE #define DDA2_ASI_MASK               0xff000000
  79 // OBSOLETE #define DDA1_ASI_MASK               0xff0000
  80 // OBSOLETE #define DIA2_SUP_MODE               0x8000
  81 // OBSOLETE #define DIA1_SUP_MODE               0x4000
  82 // OBSOLETE #define DDA2_ENABLE                 0x100
  83 // OBSOLETE #define DDA1_ENABLE                 0x80
  84 // OBSOLETE #define DIA2_ENABLE                 0x40
  85 // OBSOLETE #define DIA1_ENABLE                 0x20
  86 // OBSOLETE #define DSINGLE_STEP                0x10    /* not used */
  87 // OBSOLETE #define DDV_TYPE_MASK               0xc
  88 // OBSOLETE #define DDV_TYPE_LOAD               0x0
  89 // OBSOLETE #define DDV_TYPE_STORE              0x4
  90 // OBSOLETE #define DDV_TYPE_ACCESS     0x8
  91 // OBSOLETE #define DDV_TYPE_ALWAYS             0xc
  92 // OBSOLETE #define DDV_COND            0x2
  93 // OBSOLETE #define DDV_MASK            0x1
  94 // OBSOLETE
  95 // OBSOLETE int
  96 // OBSOLETE sparclite_insert_watchpoint (CORE_ADDR addr, int len, int type)
  97 // OBSOLETE {
  98 // OBSOLETE   CORE_ADDR dcr;
  99 // OBSOLETE
 100 // OBSOLETE   dcr = read_register (DCR_REGNUM);
 101 // OBSOLETE
 102 // OBSOLETE   if (!(dcr & DDA1_ENABLE))
 103 // OBSOLETE     {
 104 // OBSOLETE       write_register (DDA1_REGNUM, addr);
 105 // OBSOLETE       dcr &= ~(DDA1_ASI_MASK | DDV_TYPE_MASK);
 106 // OBSOLETE       dcr |= (DDA1_SUP_ASI | DDA1_ENABLE);
 107 // OBSOLETE       if (type == 1)
 108 // OBSOLETE     {
 109 // OBSOLETE       write_register (DDV1_REGNUM, 0);
 110 // OBSOLETE       write_register (DDV2_REGNUM, 0xffffffff);
 111 // OBSOLETE       dcr |= (DDV_TYPE_LOAD & (~DDV_COND & ~DDV_MASK));
 112 // OBSOLETE     }
 113 // OBSOLETE       else if (type == 0)
 114 // OBSOLETE     {
 115 // OBSOLETE       write_register (DDV1_REGNUM, 0);
 116 // OBSOLETE       write_register (DDV2_REGNUM, 0xffffffff);
 117 // OBSOLETE       dcr |= (DDV_TYPE_STORE & (~DDV_COND & ~DDV_MASK));
 118 // OBSOLETE     }
 119 // OBSOLETE       else
 120 // OBSOLETE     {
 121 // OBSOLETE       write_register (DDV1_REGNUM, 0);
 122 // OBSOLETE       write_register (DDV2_REGNUM, 0xffffffff);
 123 // OBSOLETE       dcr |= (DDV_TYPE_ACCESS);
 124 // OBSOLETE     }
 125 // OBSOLETE       write_register (DCR_REGNUM, dcr);
 126 // OBSOLETE     }
 127 // OBSOLETE   else if (!(dcr & DDA2_ENABLE))
 128 // OBSOLETE     {
 129 // OBSOLETE       write_register (DDA2_REGNUM, addr);
 130 // OBSOLETE       dcr &= ~(DDA2_ASI_MASK & DDV_TYPE_MASK);
 131 // OBSOLETE       dcr |= (DDA2_SUP_ASI | DDA2_ENABLE);
 132 // OBSOLETE       if (type == 1)
 133 // OBSOLETE     {
 134 // OBSOLETE       write_register (DDV1_REGNUM, 0);
 135 // OBSOLETE       write_register (DDV2_REGNUM, 0xffffffff);
 136 // OBSOLETE       dcr |= (DDV_TYPE_LOAD & ~DDV_COND & ~DDV_MASK);
 137 // OBSOLETE     }
 138 // OBSOLETE       else if (type == 0)
 139 // OBSOLETE     {
 140 // OBSOLETE       write_register (DDV1_REGNUM, 0);
 141 // OBSOLETE       write_register (DDV2_REGNUM, 0xffffffff);
 142 // OBSOLETE       dcr |= (DDV_TYPE_STORE & ~DDV_COND & ~DDV_MASK);
 143 // OBSOLETE     }
 144 // OBSOLETE       else
 145 // OBSOLETE     {
 146 // OBSOLETE       write_register (DDV1_REGNUM, 0);
 147 // OBSOLETE       write_register (DDV2_REGNUM, 0xffffffff);
 148 // OBSOLETE       dcr |= (DDV_TYPE_ACCESS);
 149 // OBSOLETE     }
 150 // OBSOLETE       write_register (DCR_REGNUM, dcr);
 151 // OBSOLETE     }
 152 // OBSOLETE   else
 153 // OBSOLETE     return -1;
 154 // OBSOLETE
 155 // OBSOLETE   return 0;
 156 // OBSOLETE }
 157 // OBSOLETE
 158 // OBSOLETE int
 159 // OBSOLETE sparclite_remove_watchpoint (CORE_ADDR addr, int len, int type)
 160 // OBSOLETE {
 161 // OBSOLETE   CORE_ADDR dcr, dda1, dda2;
 162 // OBSOLETE
 163 // OBSOLETE   dcr = read_register (DCR_REGNUM);
 164 // OBSOLETE   dda1 = read_register (DDA1_REGNUM);
 165 // OBSOLETE   dda2 = read_register (DDA2_REGNUM);
 166 // OBSOLETE
 167 // OBSOLETE   if ((dcr & DDA1_ENABLE) && addr == dda1)
 168 // OBSOLETE     write_register (DCR_REGNUM, (dcr & ~DDA1_ENABLE));
 169 // OBSOLETE   else if ((dcr & DDA2_ENABLE) && addr == dda2)
 170 // OBSOLETE     write_register (DCR_REGNUM, (dcr & ~DDA2_ENABLE));
 171 // OBSOLETE   else
 172 // OBSOLETE     return -1;
 173 // OBSOLETE
 174 // OBSOLETE   return 0;
 175 // OBSOLETE }
 176 // OBSOLETE
 177 // OBSOLETE int
 178 // OBSOLETE sparclite_insert_hw_breakpoint (CORE_ADDR addr, int len)
 179 // OBSOLETE {
 180 // OBSOLETE   CORE_ADDR dcr;
 181 // OBSOLETE
 182 // OBSOLETE   dcr = read_register (DCR_REGNUM);
 183 // OBSOLETE
 184 // OBSOLETE   if (!(dcr & DIA1_ENABLE))
 185 // OBSOLETE     {
 186 // OBSOLETE       write_register (DIA1_REGNUM, addr);
 187 // OBSOLETE       write_register (DCR_REGNUM, (dcr | DIA1_ENABLE | DIA1_SUP_MODE));
 188 // OBSOLETE     }
 189 // OBSOLETE   else if (!(dcr & DIA2_ENABLE))
 190 // OBSOLETE     {
 191 // OBSOLETE       write_register (DIA2_REGNUM, addr);
 192 // OBSOLETE       write_register (DCR_REGNUM, (dcr | DIA2_ENABLE | DIA2_SUP_MODE));
 193 // OBSOLETE     }
 194 // OBSOLETE   else
 195 // OBSOLETE     return -1;
 196 // OBSOLETE
 197 // OBSOLETE   return 0;
 198 // OBSOLETE }
 199 // OBSOLETE
 200 // OBSOLETE int
 201 // OBSOLETE sparclite_remove_hw_breakpoint (CORE_ADDR addr, int shadow)
 202 // OBSOLETE {
 203 // OBSOLETE   CORE_ADDR dcr, dia1, dia2;
 204 // OBSOLETE
 205 // OBSOLETE   dcr = read_register (DCR_REGNUM);
 206 // OBSOLETE   dia1 = read_register (DIA1_REGNUM);
 207 // OBSOLETE   dia2 = read_register (DIA2_REGNUM);
 208 // OBSOLETE
 209 // OBSOLETE   if ((dcr & DIA1_ENABLE) && addr == dia1)
 210 // OBSOLETE     write_register (DCR_REGNUM, (dcr & ~DIA1_ENABLE));
 211 // OBSOLETE   else if ((dcr & DIA2_ENABLE) && addr == dia2)
 212 // OBSOLETE     write_register (DCR_REGNUM, (dcr & ~DIA2_ENABLE));
 213 // OBSOLETE   else
 214 // OBSOLETE     return -1;
 215 // OBSOLETE
 216 // OBSOLETE   return 0;
 217 // OBSOLETE }
 218 // OBSOLETE
 219 // OBSOLETE int
 220 // OBSOLETE sparclite_check_watch_resources (int type, int cnt, int ot)
 221 // OBSOLETE {
 222 // OBSOLETE   /* Watchpoints not supported on simulator.  */
 223 // OBSOLETE   if (strcmp (target_shortname, "sim") == 0)
 224 // OBSOLETE     return 0;
 225 // OBSOLETE
 226 // OBSOLETE   if (type == bp_hardware_breakpoint)
 227 // OBSOLETE     {
 228 // OBSOLETE       if (TARGET_HW_BREAK_LIMIT == 0)
 229 // OBSOLETE     return 0;
 230 // OBSOLETE       else if (cnt <= TARGET_HW_BREAK_LIMIT)
 231 // OBSOLETE     return 1;
 232 // OBSOLETE     }
 233 // OBSOLETE   else
 234 // OBSOLETE     {
 235 // OBSOLETE       if (TARGET_HW_WATCH_LIMIT == 0)
 236 // OBSOLETE     return 0;
 237 // OBSOLETE       else if (ot)
 238 // OBSOLETE     return -1;
 239 // OBSOLETE       else if (cnt <= TARGET_HW_WATCH_LIMIT)
 240 // OBSOLETE     return 1;
 241 // OBSOLETE     }
 242 // OBSOLETE   return -1;
 243 // OBSOLETE }
 244 // OBSOLETE
 245 // OBSOLETE CORE_ADDR
 246 // OBSOLETE sparclite_stopped_data_address (void)
 247 // OBSOLETE {
 248 // OBSOLETE   CORE_ADDR dsr, dda1, dda2;
 249 // OBSOLETE
 250 // OBSOLETE   dsr = read_register (DSR_REGNUM);
 251 // OBSOLETE   dda1 = read_register (DDA1_REGNUM);
 252 // OBSOLETE   dda2 = read_register (DDA2_REGNUM);
 253 // OBSOLETE
 254 // OBSOLETE   if (dsr & 0x10)
 255 // OBSOLETE     return dda1;
 256 // OBSOLETE   else if (dsr & 0x20)
 257 // OBSOLETE     return dda2;
 258 // OBSOLETE   else
 259 // OBSOLETE     return 0;
 260 // OBSOLETE }
 261 // OBSOLETE \f
 262 // OBSOLETE static struct serial *
 263 // OBSOLETE open_tty (char *name)
 264 // OBSOLETE {
 265 // OBSOLETE   struct serial *desc;
 266 // OBSOLETE
 267 // OBSOLETE   desc = serial_open (name);
 268 // OBSOLETE   if (!desc)
 269 // OBSOLETE     perror_with_name (name);
 270 // OBSOLETE
 271 // OBSOLETE   if (baud_rate != -1)
 272 // OBSOLETE     {
 273 // OBSOLETE       if (serial_setbaudrate (desc, baud_rate))
 274 // OBSOLETE     {
 275 // OBSOLETE       serial_close (desc);
 276 // OBSOLETE       perror_with_name (name);
 277 // OBSOLETE     }
 278 // OBSOLETE     }
 279 // OBSOLETE
 280 // OBSOLETE   serial_raw (desc);
 281 // OBSOLETE
 282 // OBSOLETE   serial_flush_input (desc);
 283 // OBSOLETE
 284 // OBSOLETE   return desc;
 285 // OBSOLETE }
 286 // OBSOLETE
 287 // OBSOLETE /* Read a single character from the remote end, masking it down to 7 bits. */
 288 // OBSOLETE
 289 // OBSOLETE static int
 290 // OBSOLETE readchar (struct serial *desc, int timeout)
 291 // OBSOLETE {
 292 // OBSOLETE   int ch;
 293 // OBSOLETE   char s[10];
 294 // OBSOLETE
 295 // OBSOLETE   ch = serial_readchar (desc, timeout);
 296 // OBSOLETE
 297 // OBSOLETE   switch (ch)
 298 // OBSOLETE     {
 299 // OBSOLETE     case SERIAL_EOF:
 300 // OBSOLETE       error ("SPARClite remote connection closed");
 301 // OBSOLETE     case SERIAL_ERROR:
 302 // OBSOLETE       perror_with_name ("SPARClite communication error");
 303 // OBSOLETE     case SERIAL_TIMEOUT:
 304 // OBSOLETE       error ("SPARClite remote timeout");
 305 // OBSOLETE     default:
 306 // OBSOLETE       if (remote_debug > 0)
 307 // OBSOLETE     {
 308 // OBSOLETE       sprintf (s, "[%02x]", ch & 0xff);
 309 // OBSOLETE       puts_debug ("read -->", s, "<--");
 310 // OBSOLETE     }
 311 // OBSOLETE       return ch;
 312 // OBSOLETE     }
 313 // OBSOLETE }
 314 // OBSOLETE
 315 // OBSOLETE static void
 316 // OBSOLETE debug_serial_write (struct serial *desc, char *buf, int len)
 317 // OBSOLETE {
 318 // OBSOLETE   char s[10];
 319 // OBSOLETE
 320 // OBSOLETE   serial_write (desc, buf, len);
 321 // OBSOLETE   if (remote_debug > 0)
 322 // OBSOLETE     {
 323 // OBSOLETE       while (len-- > 0)
 324 // OBSOLETE     {
 325 // OBSOLETE       sprintf (s, "[%02x]", *buf & 0xff);
 326 // OBSOLETE       puts_debug ("Sent -->", s, "<--");
 327 // OBSOLETE       buf++;
 328 // OBSOLETE     }
 329 // OBSOLETE     }
 330 // OBSOLETE }
 331 // OBSOLETE
 332 // OBSOLETE
 333 // OBSOLETE static int
 334 // OBSOLETE send_resp (struct serial *desc, char c)
 335 // OBSOLETE {
 336 // OBSOLETE   debug_serial_write (desc, &c, 1);
 337 // OBSOLETE   return readchar (desc, remote_timeout);
 338 // OBSOLETE }
 339 // OBSOLETE
 340 // OBSOLETE static void
 341 // OBSOLETE close_tty (void *ignore)
 342 // OBSOLETE {
 343 // OBSOLETE   if (!remote_desc)
 344 // OBSOLETE     return;
 345 // OBSOLETE
 346 // OBSOLETE   serial_close (remote_desc);
 347 // OBSOLETE
 348 // OBSOLETE   remote_desc = NULL;
 349 // OBSOLETE }
 350 // OBSOLETE
 351 // OBSOLETE #ifdef HAVE_SOCKETS
 352 // OBSOLETE static int
 353 // OBSOLETE recv_udp_buf (int fd, unsigned char *buf, int len, int timeout)
 354 // OBSOLETE {
 355 // OBSOLETE   int cc;
 356 // OBSOLETE   fd_set readfds;
 357 // OBSOLETE
 358 // OBSOLETE   FD_ZERO (&readfds);
 359 // OBSOLETE   FD_SET (fd, &readfds);
 360 // OBSOLETE
 361 // OBSOLETE   if (timeout >= 0)
 362 // OBSOLETE     {
 363 // OBSOLETE       struct timeval timebuf;
 364 // OBSOLETE
 365 // OBSOLETE       timebuf.tv_sec = timeout;
 366 // OBSOLETE       timebuf.tv_usec = 0;
 367 // OBSOLETE       cc = select (fd + 1, &readfds, 0, 0, &timebuf);
 368 // OBSOLETE     }
 369 // OBSOLETE   else
 370 // OBSOLETE     cc = select (fd + 1, &readfds, 0, 0, 0);
 371 // OBSOLETE
 372 // OBSOLETE   if (cc == 0)
 373 // OBSOLETE     return 0;
 374 // OBSOLETE
 375 // OBSOLETE   if (cc != 1)
 376 // OBSOLETE     perror_with_name ("recv_udp_buf: Bad return value from select:");
 377 // OBSOLETE
 378 // OBSOLETE   cc = recv (fd, buf, len, 0);
 379 // OBSOLETE
 380 // OBSOLETE   if (cc < 0)
 381 // OBSOLETE     perror_with_name ("Got an error from recv: ");
 382 // OBSOLETE }
 383 // OBSOLETE
 384 // OBSOLETE static int
 385 // OBSOLETE send_udp_buf (int fd, unsigned char *buf, int len)
 386 // OBSOLETE {
 387 // OBSOLETE   int cc;
 388 // OBSOLETE
 389 // OBSOLETE   cc = send (fd, buf, len, 0);
 390 // OBSOLETE
 391 // OBSOLETE   if (cc == len)
 392 // OBSOLETE     return;
 393 // OBSOLETE
 394 // OBSOLETE   if (cc < 0)
 395 // OBSOLETE     perror_with_name ("Got an error from send: ");
 396 // OBSOLETE
 397 // OBSOLETE   error ("Short count in send: tried %d, sent %d\n", len, cc);
 398 // OBSOLETE }
 399 // OBSOLETE #endif /* HAVE_SOCKETS */
 400 // OBSOLETE
 401 // OBSOLETE static void
 402 // OBSOLETE sparclite_open (char *name, int from_tty)
 403 // OBSOLETE {
 404 // OBSOLETE   struct cleanup *old_chain;
 405 // OBSOLETE   int c;
 406 // OBSOLETE   char *p;
 407 // OBSOLETE
 408 // OBSOLETE   if (!name)
 409 // OBSOLETE     error ("You need to specify what device or hostname is associated with the SparcLite board.");
 410 // OBSOLETE
 411 // OBSOLETE   target_preopen (from_tty);
 412 // OBSOLETE
 413 // OBSOLETE   unpush_target (&sparclite_ops);
 414 // OBSOLETE
 415 // OBSOLETE   if (remote_target_name)
 416 // OBSOLETE     xfree (remote_target_name);
 417 // OBSOLETE
 418 // OBSOLETE   remote_target_name = xstrdup (name);
 419 // OBSOLETE
 420 // OBSOLETE   /* We need a 'serial' or 'udp' keyword to disambiguate host:port, which can
 421 // OBSOLETE      mean either a serial port on a terminal server, or the IP address of a
 422 // OBSOLETE      SPARClite demo board.  If there's no colon, then it pretty much has to be
 423 // OBSOLETE      a local device (except for DOS... grrmble) */
 424 // OBSOLETE
 425 // OBSOLETE   p = strchr (name, ' ');
 426 // OBSOLETE
 427 // OBSOLETE   if (p)
 428 // OBSOLETE     {
 429 // OBSOLETE       *p++ = '\000';
 430 // OBSOLETE       while ((*p != '\000') && isspace (*p))
 431 // OBSOLETE     p++;
 432 // OBSOLETE
 433 // OBSOLETE       if (strncmp (name, "serial", strlen (name)) == 0)
 434 // OBSOLETE     serial_flag = 1;
 435 // OBSOLETE       else if (strncmp (name, "udp", strlen (name)) == 0)
 436 // OBSOLETE     serial_flag = 0;
 437 // OBSOLETE       else
 438 // OBSOLETE     error ("Must specify either `serial' or `udp'.");
 439 // OBSOLETE     }
 440 // OBSOLETE   else
 441 // OBSOLETE     {
 442 // OBSOLETE       p = name;
 443 // OBSOLETE
 444 // OBSOLETE       if (!strchr (name, ':'))
 445 // OBSOLETE     serial_flag = 1;        /* No colon is unambiguous (local device) */
 446 // OBSOLETE       else
 447 // OBSOLETE     error ("Usage: target sparclite serial /dev/ttyb\n\
 448 // OBSOLETE or: target sparclite udp host");
 449 // OBSOLETE     }
 450 // OBSOLETE
 451 // OBSOLETE   if (serial_flag)
 452 // OBSOLETE     {
 453 // OBSOLETE       remote_desc = open_tty (p);
 454 // OBSOLETE
 455 // OBSOLETE       old_chain = make_cleanup (close_tty, 0 /*ignore*/);
 456 // OBSOLETE
 457 // OBSOLETE       c = send_resp (remote_desc, 0x00);
 458 // OBSOLETE
 459 // OBSOLETE       if (c != 0xaa)
 460 // OBSOLETE     error ("Unknown response (0x%x) from SparcLite.  Try resetting the board.",
 461 // OBSOLETE            c);
 462 // OBSOLETE
 463 // OBSOLETE       c = send_resp (remote_desc, 0x55);
 464 // OBSOLETE
 465 // OBSOLETE       if (c != 0x55)
 466 // OBSOLETE     error ("Sparclite appears to be ill.");
 467 // OBSOLETE     }
 468 // OBSOLETE   else
 469 // OBSOLETE     {
 470 // OBSOLETE #ifdef HAVE_SOCKETS
 471 // OBSOLETE       struct hostent *he;
 472 // OBSOLETE       struct sockaddr_in sockaddr;
 473 // OBSOLETE       unsigned char buffer[100];
 474 // OBSOLETE       int cc;
 475 // OBSOLETE
 476 // OBSOLETE       /* Setup the socket.  Must be raw UDP. */
 477 // OBSOLETE
 478 // OBSOLETE       he = gethostbyname (p);
 479 // OBSOLETE
 480 // OBSOLETE       if (!he)
 481 // OBSOLETE     error ("No such host %s.", p);
 482 // OBSOLETE
 483 // OBSOLETE       udp_fd = socket (PF_INET, SOCK_DGRAM, 0);
 484 // OBSOLETE
 485 // OBSOLETE       old_chain = make_cleanup (close, udp_fd);
 486 // OBSOLETE
 487 // OBSOLETE       sockaddr.sin_family = PF_INET;
 488 // OBSOLETE       sockaddr.sin_port = htons (7000);
 489 // OBSOLETE       memcpy (&sockaddr.sin_addr.s_addr, he->h_addr, sizeof (struct in_addr));
 490 // OBSOLETE
 491 // OBSOLETE       if (connect (udp_fd, &sockaddr, sizeof (sockaddr)))
 492 // OBSOLETE     perror_with_name ("Connect failed");
 493 // OBSOLETE
 494 // OBSOLETE       buffer[0] = 0x5;
 495 // OBSOLETE       buffer[1] = 0;
 496 // OBSOLETE
 497 // OBSOLETE       send_udp_buf (udp_fd, buffer, 2);             /* Request version */
 498 // OBSOLETE       cc = recv_udp_buf (udp_fd, buffer, sizeof (buffer), 5);       /* Get response */
 499 // OBSOLETE       if (cc == 0)
 500 // OBSOLETE     error ("SPARClite isn't responding.");
 501 // OBSOLETE
 502 // OBSOLETE       if (cc < 3)
 503 // OBSOLETE     error ("SPARClite appears to be ill.");
 504 // OBSOLETE #else
 505 // OBSOLETE       error ("UDP downloading is not supported for DOS hosts.");
 506 // OBSOLETE #endif /* HAVE_SOCKETS */
 507 // OBSOLETE     }
 508 // OBSOLETE
 509 // OBSOLETE   printf_unfiltered ("[SPARClite appears to be alive]\n");
 510 // OBSOLETE
 511 // OBSOLETE   push_target (&sparclite_ops);
 512 // OBSOLETE
 513 // OBSOLETE   discard_cleanups (old_chain);
 514 // OBSOLETE
 515 // OBSOLETE   return;
 516 // OBSOLETE }
 517 // OBSOLETE
 518 // OBSOLETE static void
 519 // OBSOLETE sparclite_close (int quitting)
 520 // OBSOLETE {
 521 // OBSOLETE   if (serial_flag)
 522 // OBSOLETE     close_tty (0);
 523 // OBSOLETE #ifdef HAVE_SOCKETS
 524 // OBSOLETE   else if (udp_fd != -1)
 525 // OBSOLETE     close (udp_fd);
 526 // OBSOLETE #endif
 527 // OBSOLETE }
 528 // OBSOLETE
 529 // OBSOLETE #define LOAD_ADDRESS 0x40000000
 530 // OBSOLETE
 531 // OBSOLETE static void
 532 // OBSOLETE download (char *target_name, char *args, int from_tty,
 533 // OBSOLETE       void (*write_routine) (bfd *from_bfd, asection *from_sec,
 534 // OBSOLETE                              file_ptr from_addr, bfd_vma to_addr, int len),
 535 // OBSOLETE       void (*start_routine) (bfd_vma entry))
 536 // OBSOLETE {
 537 // OBSOLETE   struct cleanup *old_chain;
 538 // OBSOLETE   asection *section;
 539 // OBSOLETE   bfd *pbfd;
 540 // OBSOLETE   bfd_vma entry;
 541 // OBSOLETE   int i;
 542 // OBSOLETE #define WRITESIZE 1024
 543 // OBSOLETE   char *filename;
 544 // OBSOLETE   int quiet;
 545 // OBSOLETE   int nostart;
 546 // OBSOLETE
 547 // OBSOLETE   quiet = 0;
 548 // OBSOLETE   nostart = 0;
 549 // OBSOLETE   filename = NULL;
 550 // OBSOLETE
 551 // OBSOLETE   while (*args != '\000')
 552 // OBSOLETE     {
 553 // OBSOLETE       char *arg;
 554 // OBSOLETE
 555 // OBSOLETE       while (isspace (*args))
 556 // OBSOLETE     args++;
 557 // OBSOLETE
 558 // OBSOLETE       arg = args;
 559 // OBSOLETE
 560 // OBSOLETE       while ((*args != '\000') && !isspace (*args))
 561 // OBSOLETE     args++;
 562 // OBSOLETE
 563 // OBSOLETE       if (*args != '\000')
 564 // OBSOLETE     *args++ = '\000';
 565 // OBSOLETE
 566 // OBSOLETE       if (*arg != '-')
 567 // OBSOLETE     filename = arg;
 568 // OBSOLETE       else if (strncmp (arg, "-quiet", strlen (arg)) == 0)
 569 // OBSOLETE     quiet = 1;
 570 // OBSOLETE       else if (strncmp (arg, "-nostart", strlen (arg)) == 0)
 571 // OBSOLETE     nostart = 1;
 572 // OBSOLETE       else
 573 // OBSOLETE     error ("unknown option `%s'", arg);
 574 // OBSOLETE     }
 575 // OBSOLETE
 576 // OBSOLETE   if (!filename)
 577 // OBSOLETE     filename = get_exec_file (1);
 578 // OBSOLETE
 579 // OBSOLETE   pbfd = bfd_openr (filename, gnutarget);
 580 // OBSOLETE   if (pbfd == NULL)
 581 // OBSOLETE     {
 582 // OBSOLETE       perror_with_name (filename);
 583 // OBSOLETE       return;
 584 // OBSOLETE     }
 585 // OBSOLETE   old_chain = make_cleanup_bfd_close (pbfd);
 586 // OBSOLETE
 587 // OBSOLETE   if (!bfd_check_format (pbfd, bfd_object))
 588 // OBSOLETE     error ("\"%s\" is not an object file: %s", filename,
 589 // OBSOLETE        bfd_errmsg (bfd_get_error ()));
 590 // OBSOLETE
 591 // OBSOLETE   for (section = pbfd->sections; section; section = section->next)
 592 // OBSOLETE     {
 593 // OBSOLETE       if (bfd_get_section_flags (pbfd, section) & SEC_LOAD)
 594 // OBSOLETE     {
 595 // OBSOLETE       bfd_vma section_address;
 596 // OBSOLETE       bfd_size_type section_size;
 597 // OBSOLETE       file_ptr fptr;
 598 // OBSOLETE       const char *section_name;
 599 // OBSOLETE
 600 // OBSOLETE       section_name = bfd_get_section_name (pbfd, section);
 601 // OBSOLETE
 602 // OBSOLETE       section_address = bfd_get_section_vma (pbfd, section);
 603 // OBSOLETE
 604 // OBSOLETE       /* Adjust sections from a.out files, since they don't
 605 // OBSOLETE          carry their addresses with.  */
 606 // OBSOLETE       if (bfd_get_flavour (pbfd) == bfd_target_aout_flavour)
 607 // OBSOLETE         {
 608 // OBSOLETE           if (strcmp (section_name, ".text") == 0)
 609 // OBSOLETE             section_address = bfd_get_start_address (pbfd);
 610 // OBSOLETE           else if (strcmp (section_name, ".data") == 0)
 611 // OBSOLETE             {
 612 // OBSOLETE               /* Read the first 8 bytes of the data section.
 613 // OBSOLETE                  There should be the string 'DaTa' followed by
 614 // OBSOLETE                  a word containing the actual section address. */
 615 // OBSOLETE               struct data_marker
 616 // OBSOLETE                 {
 617 // OBSOLETE                   char signature[4];        /* 'DaTa' */
 618 // OBSOLETE                   unsigned char sdata[4];   /* &sdata */
 619 // OBSOLETE                 }
 620 // OBSOLETE               marker;
 621 // OBSOLETE               bfd_get_section_contents (pbfd, section, &marker, 0,
 622 // OBSOLETE                                         sizeof (marker));
 623 // OBSOLETE               if (strncmp (marker.signature, "DaTa", 4) == 0)
 624 // OBSOLETE                 {
 625 // OBSOLETE                   if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
 626 // OBSOLETE                     section_address = bfd_getb32 (marker.sdata);
 627 // OBSOLETE                   else
 628 // OBSOLETE                     section_address = bfd_getl32 (marker.sdata);
 629 // OBSOLETE                 }
 630 // OBSOLETE             }
 631 // OBSOLETE         }
 632 // OBSOLETE
 633 // OBSOLETE       section_size = bfd_get_section_size_before_reloc (section);
 634 // OBSOLETE
 635 // OBSOLETE       if (!quiet)
 636 // OBSOLETE         printf_filtered ("[Loading section %s at 0x%x (%d bytes)]\n",
 637 // OBSOLETE                          bfd_get_section_name (pbfd, section),
 638 // OBSOLETE                          section_address,
 639 // OBSOLETE                          section_size);
 640 // OBSOLETE
 641 // OBSOLETE       fptr = 0;
 642 // OBSOLETE       while (section_size > 0)
 643 // OBSOLETE         {
 644 // OBSOLETE           int count;
 645 // OBSOLETE           static char inds[] = "|/-\\";
 646 // OBSOLETE           static int k = 0;
 647 // OBSOLETE
 648 // OBSOLETE           QUIT;
 649 // OBSOLETE
 650 // OBSOLETE           count = min (section_size, WRITESIZE);
 651 // OBSOLETE
 652 // OBSOLETE           write_routine (pbfd, section, fptr, section_address, count);
 653 // OBSOLETE
 654 // OBSOLETE           if (!quiet)
 655 // OBSOLETE             {
 656 // OBSOLETE               printf_unfiltered ("\r%c", inds[k++ % 4]);
 657 // OBSOLETE               gdb_flush (gdb_stdout);
 658 // OBSOLETE             }
 659 // OBSOLETE
 660 // OBSOLETE           section_address += count;
 661 // OBSOLETE           fptr += count;
 662 // OBSOLETE           section_size -= count;
 663 // OBSOLETE         }
 664 // OBSOLETE     }
 665 // OBSOLETE     }
 666 // OBSOLETE
 667 // OBSOLETE   if (!nostart)
 668 // OBSOLETE     {
 669 // OBSOLETE       entry = bfd_get_start_address (pbfd);
 670 // OBSOLETE
 671 // OBSOLETE       if (!quiet)
 672 // OBSOLETE     printf_unfiltered ("[Starting %s at 0x%x]\n", filename, entry);
 673 // OBSOLETE
 674 // OBSOLETE       start_routine (entry);
 675 // OBSOLETE     }
 676 // OBSOLETE
 677 // OBSOLETE   do_cleanups (old_chain);
 678 // OBSOLETE }
 679 // OBSOLETE
 680 // OBSOLETE static void
 681 // OBSOLETE sparclite_serial_start (bfd_vma entry)
 682 // OBSOLETE {
 683 // OBSOLETE   char buffer[5];
 684 // OBSOLETE   int i;
 685 // OBSOLETE
 686 // OBSOLETE   buffer[0] = 0x03;
 687 // OBSOLETE   store_unsigned_integer (buffer + 1, 4, entry);
 688 // OBSOLETE
 689 // OBSOLETE   debug_serial_write (remote_desc, buffer, 1 + 4);
 690 // OBSOLETE   i = readchar (remote_desc, remote_timeout);
 691 // OBSOLETE   if (i != 0x55)
 692 // OBSOLETE     error ("Can't start SparcLite.  Error code %d\n", i);
 693 // OBSOLETE }
 694 // OBSOLETE
 695 // OBSOLETE static void
 696 // OBSOLETE sparclite_serial_write (bfd *from_bfd, asection *from_sec, file_ptr from_addr,
 697 // OBSOLETE                     bfd_vma to_addr, int len)
 698 // OBSOLETE {
 699 // OBSOLETE   char buffer[4 + 4 + WRITESIZE];   /* addr + len + data */
 700 // OBSOLETE   unsigned char checksum;
 701 // OBSOLETE   int i;
 702 // OBSOLETE
 703 // OBSOLETE   store_unsigned_integer (buffer, 4, to_addr);      /* Address */
 704 // OBSOLETE   store_unsigned_integer (buffer + 4, 4, len);      /* Length */
 705 // OBSOLETE
 706 // OBSOLETE   bfd_get_section_contents (from_bfd, from_sec, buffer + 8, from_addr, len);
 707 // OBSOLETE
 708 // OBSOLETE   checksum = 0;
 709 // OBSOLETE   for (i = 0; i < len; i++)
 710 // OBSOLETE     checksum += buffer[8 + i];
 711 // OBSOLETE
 712 // OBSOLETE   i = send_resp (remote_desc, 0x01);
 713 // OBSOLETE
 714 // OBSOLETE   if (i != 0x5a)
 715 // OBSOLETE     error ("Bad response from load command (0x%x)", i);
 716 // OBSOLETE
 717 // OBSOLETE   debug_serial_write (remote_desc, buffer, 4 + 4 + len);
 718 // OBSOLETE   i = readchar (remote_desc, remote_timeout);
 719 // OBSOLETE
 720 // OBSOLETE   if (i != checksum)
 721 // OBSOLETE     error ("Bad checksum from load command (0x%x)", i);
 722 // OBSOLETE }
 723 // OBSOLETE
 724 // OBSOLETE #ifdef HAVE_SOCKETS
 725 // OBSOLETE
 726 // OBSOLETE static unsigned short
 727 // OBSOLETE calc_checksum (unsigned char *buffer, int count)
 728 // OBSOLETE {
 729 // OBSOLETE   unsigned short checksum;
 730 // OBSOLETE
 731 // OBSOLETE   checksum = 0;
 732 // OBSOLETE   for (; count > 0; count -= 2, buffer += 2)
 733 // OBSOLETE     checksum += (*buffer << 8) | *(buffer + 1);
 734 // OBSOLETE
 735 // OBSOLETE   if (count != 0)
 736 // OBSOLETE     checksum += *buffer << 8;
 737 // OBSOLETE
 738 // OBSOLETE   return checksum;
 739 // OBSOLETE }
 740 // OBSOLETE
 741 // OBSOLETE static void
 742 // OBSOLETE sparclite_udp_start (bfd_vma entry)
 743 // OBSOLETE {
 744 // OBSOLETE   unsigned char buffer[6];
 745 // OBSOLETE   int i;
 746 // OBSOLETE
 747 // OBSOLETE   buffer[0] = 0x3;
 748 // OBSOLETE   buffer[1] = 0;
 749 // OBSOLETE   buffer[2] = entry >> 24;
 750 // OBSOLETE   buffer[3] = entry >> 16;
 751 // OBSOLETE   buffer[4] = entry >> 8;
 752 // OBSOLETE   buffer[5] = entry;
 753 // OBSOLETE
 754 // OBSOLETE   send_udp_buf (udp_fd, buffer, 6); /* Send start addr */
 755 // OBSOLETE   i = recv_udp_buf (udp_fd, buffer, sizeof (buffer), -1);   /* Get response */
 756 // OBSOLETE
 757 // OBSOLETE   if (i < 1 || buffer[0] != 0x55)
 758 // OBSOLETE     error ("Failed to take start address.");
 759 // OBSOLETE }
 760 // OBSOLETE
 761 // OBSOLETE static void
 762 // OBSOLETE sparclite_udp_write (bfd *from_bfd, asection *from_sec, file_ptr from_addr,
 763 // OBSOLETE                  bfd_vma to_addr, int len)
 764 // OBSOLETE {
 765 // OBSOLETE   unsigned char buffer[2000];
 766 // OBSOLETE   unsigned short checksum;
 767 // OBSOLETE   static int pkt_num = 0;
 768 // OBSOLETE   static unsigned long old_addr = -1;
 769 // OBSOLETE   int i;
 770 // OBSOLETE
 771 // OBSOLETE   while (1)
 772 // OBSOLETE     {
 773 // OBSOLETE       if (to_addr != old_addr)
 774 // OBSOLETE     {
 775 // OBSOLETE       buffer[0] = 0x1;      /* Load command */
 776 // OBSOLETE       buffer[1] = 0x1;      /* Loading address */
 777 // OBSOLETE       buffer[2] = to_addr >> 24;
 778 // OBSOLETE       buffer[3] = to_addr >> 16;
 779 // OBSOLETE       buffer[4] = to_addr >> 8;
 780 // OBSOLETE       buffer[5] = to_addr;
 781 // OBSOLETE
 782 // OBSOLETE       checksum = 0;
 783 // OBSOLETE       for (i = 0; i < 6; i++)
 784 // OBSOLETE         checksum += buffer[i];
 785 // OBSOLETE       checksum &= 0xff;
 786 // OBSOLETE
 787 // OBSOLETE       send_udp_buf (udp_fd, buffer, 6);
 788 // OBSOLETE       i = recv_udp_buf (udp_fd, buffer, sizeof buffer, -1);
 789 // OBSOLETE
 790 // OBSOLETE       if (i < 1)
 791 // OBSOLETE         error ("Got back short checksum for load addr.");
 792 // OBSOLETE
 793 // OBSOLETE       if (checksum != buffer[0])
 794 // OBSOLETE         error ("Got back bad checksum for load addr.");
 795 // OBSOLETE
 796 // OBSOLETE       pkt_num = 0;          /* Load addr resets packet seq # */
 797 // OBSOLETE       old_addr = to_addr;
 798 // OBSOLETE     }
 799 // OBSOLETE
 800 // OBSOLETE       bfd_get_section_contents (from_bfd, from_sec, buffer + 6, from_addr,
 801 // OBSOLETE                             len);
 802 // OBSOLETE
 803 // OBSOLETE       checksum = calc_checksum (buffer + 6, len);
 804 // OBSOLETE
 805 // OBSOLETE       buffer[0] = 0x1;              /* Load command */
 806 // OBSOLETE       buffer[1] = 0x2;              /* Loading data */
 807 // OBSOLETE       buffer[2] = pkt_num >> 8;
 808 // OBSOLETE       buffer[3] = pkt_num;
 809 // OBSOLETE       buffer[4] = checksum >> 8;
 810 // OBSOLETE       buffer[5] = checksum;
 811 // OBSOLETE
 812 // OBSOLETE       send_udp_buf (udp_fd, buffer, len + 6);
 813 // OBSOLETE       i = recv_udp_buf (udp_fd, buffer, sizeof buffer, 3);
 814 // OBSOLETE
 815 // OBSOLETE       if (i == 0)
 816 // OBSOLETE     {
 817 // OBSOLETE       fprintf_unfiltered (gdb_stderr, "send_data: timeout sending %d bytes to address 0x%x retrying\n", len, to_addr);
 818 // OBSOLETE       continue;
 819 // OBSOLETE     }
 820 // OBSOLETE
 821 // OBSOLETE       if (buffer[0] != 0xff)
 822 // OBSOLETE     error ("Got back bad response for load data.");
 823 // OBSOLETE
 824 // OBSOLETE       old_addr += len;
 825 // OBSOLETE       pkt_num++;
 826 // OBSOLETE
 827 // OBSOLETE       return;
 828 // OBSOLETE     }
 829 // OBSOLETE }
 830 // OBSOLETE
 831 // OBSOLETE #endif /* HAVE_SOCKETS */
 832 // OBSOLETE
 833 // OBSOLETE static void
 834 // OBSOLETE sparclite_download (char *filename, int from_tty)
 835 // OBSOLETE {
 836 // OBSOLETE   if (!serial_flag)
 837 // OBSOLETE #ifdef HAVE_SOCKETS
 838 // OBSOLETE     download (remote_target_name, filename, from_tty, sparclite_udp_write,
 839 // OBSOLETE           sparclite_udp_start);
 840 // OBSOLETE #else
 841 // OBSOLETE     internal_error (__FILE__, __LINE__, "failed internal consistency check");                       /* sparclite_open should prevent this! */
 842 // OBSOLETE #endif
 843 // OBSOLETE   else
 844 // OBSOLETE     download (remote_target_name, filename, from_tty, sparclite_serial_write,
 845 // OBSOLETE           sparclite_serial_start);
 846 // OBSOLETE }
 847 // OBSOLETE \f
 848 // OBSOLETE /* Set up the sparclite target vector.  */
 849 // OBSOLETE
 850 // OBSOLETE static void
 851 // OBSOLETE init_sparclite_ops (void)
 852 // OBSOLETE {
 853 // OBSOLETE   sparclite_ops.to_shortname = "sparclite";
 854 // OBSOLETE   sparclite_ops.to_longname = "SPARClite download target";
 855 // OBSOLETE   sparclite_ops.to_doc = "Download to a remote SPARClite target board via serial of UDP.\n\
 856 // OBSOLETE Specify the device it is connected to (e.g. /dev/ttya).";
 857 // OBSOLETE   sparclite_ops.to_open = sparclite_open;
 858 // OBSOLETE   sparclite_ops.to_close = sparclite_close;
 859 // OBSOLETE   sparclite_ops.to_load = sparclite_download;
 860 // OBSOLETE   sparclite_ops.to_stratum = download_stratum;
 861 // OBSOLETE   sparclite_ops.to_magic = OPS_MAGIC;
 862 // OBSOLETE }
 863 // OBSOLETE
 864 // OBSOLETE void
 865 // OBSOLETE _initialize_sparcl_tdep (void)
 866 // OBSOLETE {
 867 // OBSOLETE   init_sparclite_ops ();
 868 // OBSOLETE   add_target (&sparclite_ops);
 869 // OBSOLETE }