summaryrefslogtreecommitdiff
path: root/gdb/m32r-rom.c
blob: b09ef8f39c667829a3276eff8a2f879778fb23f9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
/* Remote debugging interface to m32r and mon2000 ROM monitors for GDB, 
   the GNU debugger.

   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2004, 2005, 2007, 2008,
   2009, 2010, 2011 Free Software Foundation, Inc.

   Adapted by Michael Snyder of Cygnus Support.

   This file is part of GDB.

   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/>.  */

/* This module defines communication with the Renesas m32r monitor */

#include "defs.h"
#include "gdbcore.h"
#include "target.h"
#include "exceptions.h"
#include "monitor.h"
#include "serial.h"
#include "symtab.h"
#include "command.h"
#include "gdbcmd.h"
#include "symfile.h"		/* for generic load */
#include <sys/time.h>
#include <time.h>		/* for time_t */
#include "gdb_string.h"
#include "objfiles.h"		/* for ALL_OBJFILES etc. */
#include "inferior.h"
#include <ctype.h>
#include "regcache.h"

/*
 * All this stuff just to get my host computer's IP address!
 */
#ifdef __MINGW32__
#include <winsock2.h>
#else
#include <sys/types.h>
#include <netdb.h>		/* for hostent */
#include <netinet/in.h>		/* for struct in_addr */
#if 1
#include <arpa/inet.h>		/* for inet_ntoa */
#endif
#endif

static char *board_addr;	/* user-settable IP address for M32R-EVA */
static char *server_addr;	/* user-settable IP address for gdb host */
static char *download_path;	/* user-settable path for SREC files     */


/* REGNUM */
#define PSW_REGNUM      16
#define SPI_REGNUM      18
#define SPU_REGNUM      19
#define ACCL_REGNUM     22
#define ACCH_REGNUM     23


/* 
 * Function: m32r_load_1 (helper function)
 */

static void
m32r_load_section (bfd *abfd, asection *s, void *obj)
{
  unsigned int *data_count = obj;
  if (s->flags & SEC_LOAD)
    {
      int addr_size = gdbarch_addr_bit (target_gdbarch) / 8;
      bfd_size_type section_size = bfd_section_size (abfd, s);
      bfd_vma section_base = bfd_section_lma (abfd, s);
      unsigned int buffer, i;

      *data_count += section_size;

      printf_filtered ("Loading section %s, size 0x%lx lma ",
		       bfd_section_name (abfd, s),
		       (unsigned long) section_size);
      fputs_filtered (paddress (target_gdbarch, section_base), gdb_stdout);
      printf_filtered ("\n");
      gdb_flush (gdb_stdout);
      monitor_printf ("%s mw\r", phex_nz (section_base, addr_size));
      for (i = 0; i < section_size; i += 4)
	{
	  QUIT;
	  monitor_expect (" -> ", NULL, 0);
	  bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
	  monitor_printf ("%x\n", buffer);
	}
      monitor_expect (" -> ", NULL, 0);
      monitor_printf ("q\n");
      monitor_expect_prompt (NULL, 0);
    }
}

static int
m32r_load_1 (void *dummy)
{
  int data_count = 0;

  bfd_map_over_sections ((bfd *) dummy, m32r_load_section, &data_count);
  return data_count;
}

/* 
 * Function: m32r_load (an alternate way to load) 
 */

static void
m32r_load (char *filename, int from_tty)
{
  bfd *abfd;
  asection *s;
  unsigned int i, data_count = 0;
  struct timeval start_time, end_time;

  if (filename == NULL || filename[0] == 0)
    filename = get_exec_file (1);

  abfd = bfd_openr (filename, 0);
  if (!abfd)
    error (_("Unable to open file %s."), filename);
  if (bfd_check_format (abfd, bfd_object) == 0)
    error (_("File is not an object file."));
  gettimeofday (&start_time, NULL);
#if 0
  for (s = abfd->sections; s; s = s->next)
    if (s->flags & SEC_LOAD)
      {
	bfd_size_type section_size = bfd_section_size (abfd, s);
	bfd_vma section_base = bfd_section_vma (abfd, s);
	unsigned int buffer;

	data_count += section_size;

	printf_filtered ("Loading section %s, size 0x%lx vma ",
			 bfd_section_name (abfd, s), section_size);
	fputs_filtered (paddress (target_gdbarch, section_base), gdb_stdout);
	printf_filtered ("\n");
	gdb_flush (gdb_stdout);
	monitor_printf ("%x mw\r", section_base);
	for (i = 0; i < section_size; i += 4)
	  {
	    monitor_expect (" -> ", NULL, 0);
	    bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
	    monitor_printf ("%x\n", buffer);
	  }
	monitor_expect (" -> ", NULL, 0);
	monitor_printf ("q\n");
	monitor_expect_prompt (NULL, 0);
      }
#else
  if (!(catch_errors (m32r_load_1, abfd, "Load aborted!\n", RETURN_MASK_ALL)))
    {
      monitor_printf ("q\n");
      return;
    }
#endif
  gettimeofday (&end_time, NULL);
  printf_filtered ("Start address 0x%lx\n",
		   (unsigned long) bfd_get_start_address (abfd));
  print_transfer_performance (gdb_stdout, data_count, 0, &start_time,
			      &end_time);

  /* Finally, make the PC point at the start address */
  if (exec_bfd)
    regcache_write_pc (get_current_regcache (),
		       bfd_get_start_address (exec_bfd));

  inferior_ptid = null_ptid;	/* No process now */

  /* This is necessary because many things were based on the PC at the
     time that we attached to the monitor, which is no longer valid
     now that we have loaded new code (and just changed the PC).
     Another way to do this might be to call normal_stop, except that
     the stack may not be valid, and things would get horribly
     confused... */

  clear_symtab_users (0);
}

static void
m32r_load_gen (char *filename, int from_tty)
{
  generic_load (filename, from_tty);
}

static void m32r_open (char *args, int from_tty);
static void mon2000_open (char *args, int from_tty);

/* This array of registers needs to match the indexes used by GDB. The
   whole reason this exists is because the various ROM monitors use
   different names than GDB does, and don't support all the registers
   either. So, typing "info reg sp" becomes an "A7". */

static char *m32r_regnames[] =
  { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
  "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
  "psw", "cbr", "spi", "spu", "bpc", "pc", "accl", "acch",
};

static void
m32r_supply_register (struct regcache *regcache, char *regname,
		      int regnamelen, char *val, int vallen)
{
  int regno;
  int num_regs = sizeof (m32r_regnames) / sizeof (m32r_regnames[0]);
  struct gdbarch *gdbarch = get_regcache_arch (regcache);

  for (regno = 0; regno < num_regs; regno++)
    if (strncmp (regname, m32r_regnames[regno], regnamelen) == 0)
      break;

  if (regno >= num_regs)
    return;			/* no match */

  if (regno == ACCL_REGNUM)
    {				/* special handling for 64-bit acc reg */
      monitor_supply_register (regcache, ACCH_REGNUM, val);
      val = strchr (val, ':');	/* skip past ':' to get 2nd word */
      if (val != NULL)
	monitor_supply_register (regcache, ACCL_REGNUM, val + 1);
    }
  else
    {
      monitor_supply_register (regcache, regno, val);
      if (regno == PSW_REGNUM)
	{
	  unsigned long psw = strtoul (val, NULL, 16);
	  char *zero = "00000000", *one = "00000001";

#ifdef SM_REGNUM
	  /* Stack mode bit */
	  monitor_supply_register (regcache, SM_REGNUM, (psw & 0x80) ? one : zero);
#endif
#ifdef BSM_REGNUM
	  /* Backup stack mode bit */
	  monitor_supply_register (regcache, BSM_REGNUM, (psw & 0x8000) ? one : zero);
#endif
#ifdef IE_REGNUM
	  /* Interrupt enable bit */
	  monitor_supply_register (regcache, IE_REGNUM, (psw & 0x40) ? one : zero);
#endif
#ifdef BIE_REGNUM
	  /* Backup interrupt enable bit */
	  monitor_supply_register (regcache, BIE_REGNUM, (psw & 0x4000) ? one : zero);
#endif
#ifdef COND_REGNUM
	  /* Condition bit (carry etc.) */
	  monitor_supply_register (regcache, COND_REGNUM, (psw & 0x1) ? one : zero);
#endif
#ifdef CBR_REGNUM
	  monitor_supply_register (regcache, CBR_REGNUM, (psw & 0x1) ? one : zero);
#endif
#ifdef BPC_REGNUM
	  monitor_supply_register (regcache, BPC_REGNUM, zero);	/* KLUDGE:   (???????) */
#endif
#ifdef BCARRY_REGNUM
	  monitor_supply_register (regcache, BCARRY_REGNUM, zero);	/* KLUDGE: (??????) */
#endif
	}

      if (regno == SPI_REGNUM || regno == SPU_REGNUM)
	{			/* special handling for stack pointer (spu or spi) */
	  ULONGEST stackmode, psw;
	  regcache_cooked_read_unsigned (regcache, PSW_REGNUM, &psw);
	  stackmode = psw & 0x80;

	  if (regno == SPI_REGNUM && !stackmode)	/* SP == SPI */
	    monitor_supply_register (regcache,
				     gdbarch_sp_regnum (gdbarch), val);
	  else if (regno == SPU_REGNUM && stackmode)	/* SP == SPU */
	    monitor_supply_register (regcache,
				     gdbarch_sp_regnum (gdbarch), val);
	}
    }
}

/* m32r RevC board monitor */

static struct target_ops m32r_ops;

static char *m32r_inits[] = { "\r", NULL };

static struct monitor_ops m32r_cmds;

static void
init_m32r_cmds (void)
{
  m32r_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST;
  m32r_cmds.init = m32r_inits;	/* Init strings */
  m32r_cmds.cont = "go\r";	/* continue command */
  m32r_cmds.step = "step\r";	/* single step */
  m32r_cmds.stop = NULL;	/* interrupt command */
  m32r_cmds.set_break = "%x +bp\r";	/* set a breakpoint */
  m32r_cmds.clr_break = "%x -bp\r";	/* clear a breakpoint */
  m32r_cmds.clr_all_break = "bpoff\r";	/* clear all breakpoints */
  m32r_cmds.fill = "%x %x %x fill\r";	/* fill (start length val) */
  m32r_cmds.setmem.cmdb = "%x 1 %x fill\r";	/* setmem.cmdb (addr, value) */
  m32r_cmds.setmem.cmdw = "%x 1 %x fillh\r";	/* setmem.cmdw (addr, value) */
  m32r_cmds.setmem.cmdl = "%x 1 %x fillw\r";	/* setmem.cmdl (addr, value) */
  m32r_cmds.setmem.cmdll = NULL;	/* setmem.cmdll (addr, value) */
  m32r_cmds.setmem.resp_delim = NULL;	/* setmem.resp_delim */
  m32r_cmds.setmem.term = NULL;	/* setmem.term */
  m32r_cmds.setmem.term_cmd = NULL;	/* setmem.term_cmd */
  m32r_cmds.getmem.cmdb = "%x %x dump\r";	/* getmem.cmdb (addr, len) */
  m32r_cmds.getmem.cmdw = NULL;	/* getmem.cmdw (addr, len) */
  m32r_cmds.getmem.cmdl = NULL;	/* getmem.cmdl (addr, len) */
  m32r_cmds.getmem.cmdll = NULL;	/* getmem.cmdll (addr, len) */
  m32r_cmds.getmem.resp_delim = ": ";	/* getmem.resp_delim */
  m32r_cmds.getmem.term = NULL;	/* getmem.term */
  m32r_cmds.getmem.term_cmd = NULL;	/* getmem.term_cmd */
  m32r_cmds.setreg.cmd = "%x to %%%s\r";	/* setreg.cmd (name, value) */
  m32r_cmds.setreg.resp_delim = NULL;	/* setreg.resp_delim */
  m32r_cmds.setreg.term = NULL;	/* setreg.term */
  m32r_cmds.setreg.term_cmd = NULL;	/* setreg.term_cmd */
  m32r_cmds.getreg.cmd = NULL;	/* getreg.cmd (name) */
  m32r_cmds.getreg.resp_delim = NULL;	/* getreg.resp_delim */
  m32r_cmds.getreg.term = NULL;	/* getreg.term */
  m32r_cmds.getreg.term_cmd = NULL;	/* getreg.term_cmd */
  m32r_cmds.dump_registers = ".reg\r";	/* dump_registers */
  m32r_cmds.register_pattern = "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)";	/* register_pattern */
  m32r_cmds.supply_register = m32r_supply_register;
  m32r_cmds.load_routine = NULL;	/* load_routine (defaults to SRECs) */
  m32r_cmds.load = NULL;	/* download command */
  m32r_cmds.loadresp = NULL;	/* load response */
  m32r_cmds.prompt = "ok ";	/* monitor command prompt */
  m32r_cmds.line_term = "\r";	/* end-of-line terminator */
  m32r_cmds.cmd_end = NULL;	/* optional command terminator */
  m32r_cmds.target = &m32r_ops;	/* target operations */
  m32r_cmds.stopbits = SERIAL_1_STOPBITS;	/* number of stop bits */
  m32r_cmds.regnames = m32r_regnames;	/* registers names */
  m32r_cmds.magic = MONITOR_OPS_MAGIC;	/* magic */
}				/* init_m32r_cmds */

static void
m32r_open (char *args, int from_tty)
{
  monitor_open (args, &m32r_cmds, from_tty);
}

/* Mon2000 monitor (MSA2000 board) */

static struct target_ops mon2000_ops;
static struct monitor_ops mon2000_cmds;

static void
init_mon2000_cmds (void)
{
  mon2000_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST;
  mon2000_cmds.init = m32r_inits;	/* Init strings */
  mon2000_cmds.cont = "go\r";	/* continue command */
  mon2000_cmds.step = "step\r";	/* single step */
  mon2000_cmds.stop = NULL;	/* interrupt command */
  mon2000_cmds.set_break = "%x +bp\r";	/* set a breakpoint */
  mon2000_cmds.clr_break = "%x -bp\r";	/* clear a breakpoint */
  mon2000_cmds.clr_all_break = "bpoff\r";	/* clear all breakpoints */
  mon2000_cmds.fill = "%x %x %x fill\r";	/* fill (start length val) */
  mon2000_cmds.setmem.cmdb = "%x 1 %x fill\r";	/* setmem.cmdb (addr, value) */
  mon2000_cmds.setmem.cmdw = "%x 1 %x fillh\r";	/* setmem.cmdw (addr, value) */
  mon2000_cmds.setmem.cmdl = "%x 1 %x fillw\r";	/* setmem.cmdl (addr, value) */
  mon2000_cmds.setmem.cmdll = NULL;	/* setmem.cmdll (addr, value) */
  mon2000_cmds.setmem.resp_delim = NULL;	/* setmem.resp_delim */
  mon2000_cmds.setmem.term = NULL;	/* setmem.term */
  mon2000_cmds.setmem.term_cmd = NULL;	/* setmem.term_cmd */
  mon2000_cmds.getmem.cmdb = "%x %x dump\r";	/* getmem.cmdb (addr, len) */
  mon2000_cmds.getmem.cmdw = NULL;	/* getmem.cmdw (addr, len) */
  mon2000_cmds.getmem.cmdl = NULL;	/* getmem.cmdl (addr, len) */
  mon2000_cmds.getmem.cmdll = NULL;	/* getmem.cmdll (addr, len) */
  mon2000_cmds.getmem.resp_delim = ": ";	/* getmem.resp_delim */
  mon2000_cmds.getmem.term = NULL;	/* getmem.term */
  mon2000_cmds.getmem.term_cmd = NULL;	/* getmem.term_cmd */
  mon2000_cmds.setreg.cmd = "%x to %%%s\r";	/* setreg.cmd (name, value) */
  mon2000_cmds.setreg.resp_delim = NULL;	/* setreg.resp_delim */
  mon2000_cmds.setreg.term = NULL;	/* setreg.term */
  mon2000_cmds.setreg.term_cmd = NULL;	/* setreg.term_cmd */
  mon2000_cmds.getreg.cmd = NULL;	/* getreg.cmd (name) */
  mon2000_cmds.getreg.resp_delim = NULL;	/* getreg.resp_delim */
  mon2000_cmds.getreg.term = NULL;	/* getreg.term */
  mon2000_cmds.getreg.term_cmd = NULL;	/* getreg.term_cmd */
  mon2000_cmds.dump_registers = ".reg\r";	/* dump_registers */
  mon2000_cmds.register_pattern = "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)";	/* register_pattern */
  mon2000_cmds.supply_register = m32r_supply_register;
  mon2000_cmds.load_routine = NULL;	/* load_routine (defaults to SRECs) */
  mon2000_cmds.load = NULL;	/* download command */
  mon2000_cmds.loadresp = NULL;	/* load response */
  mon2000_cmds.prompt = "Mon2000>";	/* monitor command prompt */
  mon2000_cmds.line_term = "\r";	/* end-of-line terminator */
  mon2000_cmds.cmd_end = NULL;	/* optional command terminator */
  mon2000_cmds.target = &mon2000_ops;	/* target operations */
  mon2000_cmds.stopbits = SERIAL_1_STOPBITS;	/* number of stop bits */
  mon2000_cmds.regnames = m32r_regnames;	/* registers names */
  mon2000_cmds.magic = MONITOR_OPS_MAGIC;	/* magic */
}				/* init_mon2000_cmds */

static void
mon2000_open (char *args, int from_tty)
{
  monitor_open (args, &mon2000_cmds, from_tty);
}

static void
m32r_upload_command (char *args, int from_tty)
{
  bfd *abfd;
  asection *s;
  struct timeval start_time, end_time;
  int resp_len, data_count = 0;
  char buf[1024];
  struct hostent *hostent;
  struct in_addr inet_addr;

  /* first check to see if there's an ethernet port! */
  monitor_printf ("ust\r");
  resp_len = monitor_expect_prompt (buf, sizeof (buf));
  if (!strchr (buf, ':'))
    error (_("No ethernet connection!"));

  if (board_addr == 0)
    {
      /* scan second colon in the output from the "ust" command */
      char *myIPaddress = strchr (strchr (buf, ':') + 1, ':') + 1;

      while (isspace (*myIPaddress))
	myIPaddress++;

      if (!strncmp (myIPaddress, "0.0.", 4))	/* empty */
	error
	  ("Please use 'set board-address' to set the M32R-EVA board's IP address.");
      if (strchr (myIPaddress, '('))
	*(strchr (myIPaddress, '(')) = '\0';	/* delete trailing junk */
      board_addr = xstrdup (myIPaddress);
    }
  if (server_addr == 0)
    {
#ifdef __MINGW32__
      WSADATA wd;
      /* Winsock initialization. */
      if (WSAStartup (MAKEWORD (1, 1), &wd))
	error (_("Couldn't initialize WINSOCK."));
#endif

      buf[0] = 0;
      gethostname (buf, sizeof (buf));
      if (buf[0] != 0)
	{
	  hostent = gethostbyname (buf);
	  if (hostent != 0)
	    {
#if 1
	      memcpy (&inet_addr.s_addr, hostent->h_addr,
		      sizeof (inet_addr.s_addr));
	      server_addr = (char *) inet_ntoa (inet_addr);
#else
	      server_addr = (char *) inet_ntoa (hostent->h_addr);
#endif
	    }
	}
      if (server_addr == 0)	/* failed? */
	error
	  ("Need to know gdb host computer's IP address (use 'set server-address')");
    }

  if (args == 0 || args[0] == 0)	/* no args: upload the current file */
    args = get_exec_file (1);

  if (args[0] != '/' && download_path == 0)
    {
      if (current_directory)
	download_path = xstrdup (current_directory);
      else
	error
	  ("Need to know default download path (use 'set download-path')");
    }

  gettimeofday (&start_time, NULL);
  monitor_printf ("uhip %s\r", server_addr);
  resp_len = monitor_expect_prompt (buf, sizeof (buf));	/* parse result? */
  monitor_printf ("ulip %s\r", board_addr);
  resp_len = monitor_expect_prompt (buf, sizeof (buf));	/* parse result? */
  if (args[0] != '/')
    monitor_printf ("up %s\r", download_path);	/* use default path */
  else
    monitor_printf ("up\r");	/* rooted filename/path */
  resp_len = monitor_expect_prompt (buf, sizeof (buf));	/* parse result? */

  if (strrchr (args, '.') && !strcmp (strrchr (args, '.'), ".srec"))
    monitor_printf ("ul %s\r", args);
  else				/* add ".srec" suffix */
    monitor_printf ("ul %s.srec\r", args);
  resp_len = monitor_expect_prompt (buf, sizeof (buf));	/* parse result? */

  if (buf[0] == 0 || strstr (buf, "complete") == 0)
    error
      ("Upload file not found: %s.srec\nCheck IP addresses and download path.",
       args);
  else
    printf_filtered (" -- Ethernet load complete.\n");

  gettimeofday (&end_time, NULL);
  abfd = bfd_openr (args, 0);
  if (abfd != NULL)
    {				/* Download is done -- print section statistics */
      if (bfd_check_format (abfd, bfd_object) == 0)
	{
	  printf_filtered ("File is not an object file\n");
	}
      for (s = abfd->sections; s; s = s->next)
	if (s->flags & SEC_LOAD)
	  {
	    bfd_size_type section_size = bfd_section_size (abfd, s);
	    bfd_vma section_base = bfd_section_lma (abfd, s);
	    unsigned int buffer;

	    data_count += section_size;

	    printf_filtered ("Loading section %s, size 0x%lx lma ",
			     bfd_section_name (abfd, s),
			     (unsigned long) section_size);
	    fputs_filtered (paddress (target_gdbarch, section_base),
			    gdb_stdout);
	    printf_filtered ("\n");
	    gdb_flush (gdb_stdout);
	  }
      /* Finally, make the PC point at the start address */
      regcache_write_pc (get_current_regcache (),
			 bfd_get_start_address (abfd));
      printf_filtered ("Start address 0x%lx\n", 
		       (unsigned long) bfd_get_start_address (abfd));
      print_transfer_performance (gdb_stdout, data_count, 0, &start_time,
				  &end_time);
    }
  inferior_ptid = null_ptid;	/* No process now */

  /* This is necessary because many things were based on the PC at the
     time that we attached to the monitor, which is no longer valid
     now that we have loaded new code (and just changed the PC).
     Another way to do this might be to call normal_stop, except that
     the stack may not be valid, and things would get horribly
     confused... */

  clear_symtab_users (0);
}

/* Provide a prototype to silence -Wmissing-prototypes.  */
extern initialize_file_ftype _initialize_m32r_rom;

void
_initialize_m32r_rom (void)
{
  /* Initialize m32r RevC monitor target */
  init_m32r_cmds ();
  init_monitor_ops (&m32r_ops);

  m32r_ops.to_shortname = "m32r";
  m32r_ops.to_longname = "m32r monitor";
  m32r_ops.to_load = m32r_load_gen;	/* monitor lacks a download command */
  m32r_ops.to_doc = "Debug via the m32r monitor.\n\
Specify the serial device it is connected to (e.g. /dev/ttya).";
  m32r_ops.to_open = m32r_open;
  add_target (&m32r_ops);

  /* Initialize mon2000 monitor target */
  init_mon2000_cmds ();
  init_monitor_ops (&mon2000_ops);

  mon2000_ops.to_shortname = "mon2000";
  mon2000_ops.to_longname = "Mon2000 monitor";
  mon2000_ops.to_load = m32r_load_gen;	/* monitor lacks a download command */
  mon2000_ops.to_doc = "Debug via the Mon2000 monitor.\n\
Specify the serial device it is connected to (e.g. /dev/ttya).";
  mon2000_ops.to_open = mon2000_open;
  add_target (&mon2000_ops);

  add_setshow_string_cmd ("download-path", class_obscure, &download_path, _("\
Set the default path for downloadable SREC files."), _("\
Show the default path for downloadable SREC files."), _("\
Determines the default path for downloadable SREC files."),
			  NULL,
			  NULL, /* FIXME: i18n: The default path for downloadable SREC files is %s.  */
			  &setlist, &showlist);

  add_setshow_string_cmd ("board-address", class_obscure, &board_addr, _("\
Set IP address for M32R-EVA target board."), _("\
Show IP address for M32R-EVA target board."), _("\
Determine the IP address for M32R-EVA target board."),
			  NULL,
			  NULL, /* FIXME: i18n: IP address for M32R-EVA target board is %s.  */
			  &setlist, &showlist);

  add_setshow_string_cmd ("server-address", class_obscure, &server_addr, _("\
Set IP address for download server (GDB's host computer)."), _("\
Show IP address for download server (GDB's host computer)."), _("\
Determine the IP address for download server (GDB's host computer)."),
			  NULL,
			  NULL, /* FIXME: i18n: IP address for download server (GDB's host computer) is %s.  */
			  &setlist, &showlist);

  add_com ("upload", class_obscure, m32r_upload_command, _("\
Upload the srec file via the monitor's Ethernet upload capability."));

  add_com ("tload", class_obscure, m32r_load, _("test upload command."));
}