xref: /openbsd/gnu/usr.bin/binutils/gdb/m32r-rom.c (revision d415bd75)
1 /* Remote debugging interface to m32r and mon2000 ROM monitors for GDB,
2    the GNU debugger.
3 
4    Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2004 Free Software
5    Foundation, Inc.
6 
7    Adapted by Michael Snyder of Cygnus Support.
8 
9    This file is part of GDB.
10 
11    This program is free software; you can redistribute it and/or modify
12    it under the terms of the GNU General Public License as published by
13    the Free Software Foundation; either version 2 of the License, or
14    (at your option) any later version.
15 
16    This program is distributed in the hope that it will be useful,
17    but WITHOUT ANY WARRANTY; without even the implied warranty of
18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19    GNU General Public License for more details.
20 
21    You should have received a copy of the GNU General Public License
22    along with this program; if not, write to the Free Software
23    Foundation, Inc., 59 Temple Place - Suite 330,
24    Boston, MA 02111-1307, USA.  */
25 
26 /* This module defines communication with the Renesas m32r monitor */
27 
28 #include "defs.h"
29 #include "gdbcore.h"
30 #include "target.h"
31 #include "monitor.h"
32 #include "serial.h"
33 #include "symtab.h"
34 #include "command.h"
35 #include "gdbcmd.h"
36 #include "symfile.h"		/* for generic load */
37 #include <time.h>		/* for time_t */
38 #include "gdb_string.h"
39 #include "objfiles.h"		/* for ALL_OBJFILES etc. */
40 #include "inferior.h"		/* for write_pc() */
41 #include <ctype.h>
42 #include "regcache.h"
43 
44 /*
45  * All this stuff just to get my host computer's IP address!
46  */
47 #include <sys/types.h>
48 #include <netdb.h>		/* for hostent */
49 #include <netinet/in.h>		/* for struct in_addr */
50 #if 1
51 #include <arpa/inet.h>		/* for inet_ntoa */
52 #endif
53 
54 static char *board_addr;	/* user-settable IP address for M32R-EVA */
55 static char *server_addr;	/* user-settable IP address for gdb host */
56 static char *download_path;	/* user-settable path for SREC files     */
57 
58 
59 /* REGNUM */
60 #define PSW_REGNUM      16
61 #define SPI_REGNUM      18
62 #define SPU_REGNUM      19
63 #define ACCL_REGNUM     22
64 #define ACCH_REGNUM     23
65 
66 
67 /*
68  * Function: m32r_load_1 (helper function)
69  */
70 
71 static void
72 m32r_load_section (bfd *abfd, asection *s, void *obj)
73 {
74   unsigned int *data_count = obj;
75   if (s->flags & SEC_LOAD)
76     {
77       bfd_size_type section_size = bfd_section_size (abfd, s);
78       bfd_vma section_base = bfd_section_lma (abfd, s);
79       unsigned int buffer, i;
80 
81       *data_count += section_size;
82 
83       printf_filtered ("Loading section %s, size 0x%lx lma ",
84 		       bfd_section_name (abfd, s), section_size);
85       print_address_numeric (section_base, 1, gdb_stdout);
86       printf_filtered ("\n");
87       gdb_flush (gdb_stdout);
88       monitor_printf ("%s mw\r", paddr_nz (section_base));
89       for (i = 0; i < section_size; i += 4)
90 	{
91 	  QUIT;
92 	  monitor_expect (" -> ", NULL, 0);
93 	  bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
94 	  monitor_printf ("%x\n", buffer);
95 	}
96       monitor_expect (" -> ", NULL, 0);
97       monitor_printf ("q\n");
98       monitor_expect_prompt (NULL, 0);
99     }
100 }
101 
102 static int
103 m32r_load_1 (void *dummy)
104 {
105   int data_count = 0;
106 
107   bfd_map_over_sections ((bfd *) dummy, m32r_load_section, &data_count);
108   return data_count;
109 }
110 
111 /*
112  * Function: m32r_load (an alternate way to load)
113  */
114 
115 static void
116 m32r_load (char *filename, int from_tty)
117 {
118   bfd *abfd;
119   asection *s;
120   unsigned int i, data_count = 0;
121   time_t start_time, end_time;	/* for timing of download */
122 
123   if (filename == NULL || filename[0] == 0)
124     filename = get_exec_file (1);
125 
126   abfd = bfd_openr (filename, 0);
127   if (!abfd)
128     error ("Unable to open file %s\n", filename);
129   if (bfd_check_format (abfd, bfd_object) == 0)
130     error ("File is not an object file\n");
131   start_time = time (NULL);
132 #if 0
133   for (s = abfd->sections; s; s = s->next)
134     if (s->flags & SEC_LOAD)
135       {
136 	bfd_size_type section_size = bfd_section_size (abfd, s);
137 	bfd_vma section_base = bfd_section_vma (abfd, s);
138 	unsigned int buffer;
139 
140 	data_count += section_size;
141 
142 	printf_filtered ("Loading section %s, size 0x%lx vma ",
143 			 bfd_section_name (abfd, s), section_size);
144 	print_address_numeric (section_base, 1, gdb_stdout);
145 	printf_filtered ("\n");
146 	gdb_flush (gdb_stdout);
147 	monitor_printf ("%x mw\r", section_base);
148 	for (i = 0; i < section_size; i += 4)
149 	  {
150 	    monitor_expect (" -> ", NULL, 0);
151 	    bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
152 	    monitor_printf ("%x\n", buffer);
153 	  }
154 	monitor_expect (" -> ", NULL, 0);
155 	monitor_printf ("q\n");
156 	monitor_expect_prompt (NULL, 0);
157       }
158 #else
159   if (!(catch_errors (m32r_load_1, abfd, "Load aborted!\n", RETURN_MASK_ALL)))
160     {
161       monitor_printf ("q\n");
162       return;
163     }
164 #endif
165   end_time = time (NULL);
166   printf_filtered ("Start address 0x%lx\n", bfd_get_start_address (abfd));
167   print_transfer_performance (gdb_stdout, data_count, 0,
168 			      end_time - start_time);
169 
170   /* Finally, make the PC point at the start address */
171   if (exec_bfd)
172     write_pc (bfd_get_start_address (exec_bfd));
173 
174   inferior_ptid = null_ptid;	/* No process now */
175 
176   /* This is necessary because many things were based on the PC at the
177      time that we attached to the monitor, which is no longer valid
178      now that we have loaded new code (and just changed the PC).
179      Another way to do this might be to call normal_stop, except that
180      the stack may not be valid, and things would get horribly
181      confused... */
182 
183   clear_symtab_users ();
184 }
185 
186 static void
187 m32r_load_gen (char *filename, int from_tty)
188 {
189   generic_load (filename, from_tty);
190 }
191 
192 static void m32r_open (char *args, int from_tty);
193 static void mon2000_open (char *args, int from_tty);
194 
195 /* This array of registers needs to match the indexes used by GDB. The
196    whole reason this exists is because the various ROM monitors use
197    different names than GDB does, and don't support all the registers
198    either. So, typing "info reg sp" becomes an "A7". */
199 
200 static char *m32r_regnames[] =
201   { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
202   "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
203   "psw", "cbr", "spi", "spu", "bpc", "pc", "accl", "acch",
204 };
205 
206 static void
207 m32r_supply_register (char *regname, int regnamelen, char *val, int vallen)
208 {
209   int regno;
210   int num_regs = sizeof (m32r_regnames) / sizeof (m32r_regnames[0]);
211 
212   for (regno = 0; regno < num_regs; regno++)
213     if (strncmp (regname, m32r_regnames[regno], regnamelen) == 0)
214       break;
215 
216   if (regno >= num_regs)
217     return;			/* no match */
218 
219   if (regno == ACCL_REGNUM)
220     {				/* special handling for 64-bit acc reg */
221       monitor_supply_register (ACCH_REGNUM, val);
222       val = strchr (val, ':');	/* skip past ':' to get 2nd word */
223       if (val != NULL)
224 	monitor_supply_register (ACCL_REGNUM, val + 1);
225     }
226   else
227     {
228       monitor_supply_register (regno, val);
229       if (regno == PSW_REGNUM)
230 	{
231 	  unsigned long psw = strtoul (val, NULL, 16);
232 	  char *zero = "00000000", *one = "00000001";
233 
234 #ifdef SM_REGNUM
235 	  /* Stack mode bit */
236 	  monitor_supply_register (SM_REGNUM, (psw & 0x80) ? one : zero);
237 #endif
238 #ifdef BSM_REGNUM
239 	  /* Backup stack mode bit */
240 	  monitor_supply_register (BSM_REGNUM, (psw & 0x8000) ? one : zero);
241 #endif
242 #ifdef IE_REGNUM
243 	  /* Interrupt enable bit */
244 	  monitor_supply_register (IE_REGNUM, (psw & 0x40) ? one : zero);
245 #endif
246 #ifdef BIE_REGNUM
247 	  /* Backup interrupt enable bit */
248 	  monitor_supply_register (BIE_REGNUM, (psw & 0x4000) ? one : zero);
249 #endif
250 #ifdef COND_REGNUM
251 	  /* Condition bit (carry etc.) */
252 	  monitor_supply_register (COND_REGNUM, (psw & 0x1) ? one : zero);
253 #endif
254 #ifdef CBR_REGNUM
255 	  monitor_supply_register (CBR_REGNUM, (psw & 0x1) ? one : zero);
256 #endif
257 #ifdef BPC_REGNUM
258 	  monitor_supply_register (BPC_REGNUM, zero);	/* KLUDGE:   (???????) */
259 #endif
260 #ifdef BCARRY_REGNUM
261 	  monitor_supply_register (BCARRY_REGNUM, zero);	/* KLUDGE: (??????) */
262 #endif
263 	}
264 
265       if (regno == SPI_REGNUM || regno == SPU_REGNUM)
266 	{			/* special handling for stack pointer (spu or spi) */
267 	  ULONGEST stackmode, psw;
268 	  regcache_cooked_read_unsigned (current_regcache, PSW_REGNUM, &psw);
269 	  stackmode = psw & 0x80;
270 
271 	  if (regno == SPI_REGNUM && !stackmode)	/* SP == SPI */
272 	    monitor_supply_register (SP_REGNUM, val);
273 	  else if (regno == SPU_REGNUM && stackmode)	/* SP == SPU */
274 	    monitor_supply_register (SP_REGNUM, val);
275 	}
276     }
277 }
278 
279 /* m32r RevC board monitor */
280 
281 static struct target_ops m32r_ops;
282 
283 static char *m32r_inits[] = { "\r", NULL };
284 
285 static struct monitor_ops m32r_cmds;
286 
287 static void
288 init_m32r_cmds (void)
289 {
290   m32r_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST;
291   m32r_cmds.init = m32r_inits;	/* Init strings */
292   m32r_cmds.cont = "go\r";	/* continue command */
293   m32r_cmds.step = "step\r";	/* single step */
294   m32r_cmds.stop = NULL;	/* interrupt command */
295   m32r_cmds.set_break = "%x +bp\r";	/* set a breakpoint */
296   m32r_cmds.clr_break = "%x -bp\r";	/* clear a breakpoint */
297   m32r_cmds.clr_all_break = "bpoff\r";	/* clear all breakpoints */
298   m32r_cmds.fill = "%x %x %x fill\r";	/* fill (start length val) */
299   m32r_cmds.setmem.cmdb = "%x 1 %x fill\r";	/* setmem.cmdb (addr, value) */
300   m32r_cmds.setmem.cmdw = "%x 1 %x fillh\r";	/* setmem.cmdw (addr, value) */
301   m32r_cmds.setmem.cmdl = "%x 1 %x fillw\r";	/* setmem.cmdl (addr, value) */
302   m32r_cmds.setmem.cmdll = NULL;	/* setmem.cmdll (addr, value) */
303   m32r_cmds.setmem.resp_delim = NULL;	/* setmem.resp_delim */
304   m32r_cmds.setmem.term = NULL;	/* setmem.term */
305   m32r_cmds.setmem.term_cmd = NULL;	/* setmem.term_cmd */
306   m32r_cmds.getmem.cmdb = "%x %x dump\r";	/* getmem.cmdb (addr, len) */
307   m32r_cmds.getmem.cmdw = NULL;	/* getmem.cmdw (addr, len) */
308   m32r_cmds.getmem.cmdl = NULL;	/* getmem.cmdl (addr, len) */
309   m32r_cmds.getmem.cmdll = NULL;	/* getmem.cmdll (addr, len) */
310   m32r_cmds.getmem.resp_delim = ": ";	/* getmem.resp_delim */
311   m32r_cmds.getmem.term = NULL;	/* getmem.term */
312   m32r_cmds.getmem.term_cmd = NULL;	/* getmem.term_cmd */
313   m32r_cmds.setreg.cmd = "%x to %%%s\r";	/* setreg.cmd (name, value) */
314   m32r_cmds.setreg.resp_delim = NULL;	/* setreg.resp_delim */
315   m32r_cmds.setreg.term = NULL;	/* setreg.term */
316   m32r_cmds.setreg.term_cmd = NULL;	/* setreg.term_cmd */
317   m32r_cmds.getreg.cmd = NULL;	/* getreg.cmd (name) */
318   m32r_cmds.getreg.resp_delim = NULL;	/* getreg.resp_delim */
319   m32r_cmds.getreg.term = NULL;	/* getreg.term */
320   m32r_cmds.getreg.term_cmd = NULL;	/* getreg.term_cmd */
321   m32r_cmds.dump_registers = ".reg\r";	/* dump_registers */
322   m32r_cmds.register_pattern = "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)";	/* register_pattern */
323   m32r_cmds.supply_register = m32r_supply_register;
324   m32r_cmds.load_routine = NULL;	/* load_routine (defaults to SRECs) */
325   m32r_cmds.load = NULL;	/* download command */
326   m32r_cmds.loadresp = NULL;	/* load response */
327   m32r_cmds.prompt = "ok ";	/* monitor command prompt */
328   m32r_cmds.line_term = "\r";	/* end-of-line terminator */
329   m32r_cmds.cmd_end = NULL;	/* optional command terminator */
330   m32r_cmds.target = &m32r_ops;	/* target operations */
331   m32r_cmds.stopbits = SERIAL_1_STOPBITS;	/* number of stop bits */
332   m32r_cmds.regnames = m32r_regnames;	/* registers names */
333   m32r_cmds.magic = MONITOR_OPS_MAGIC;	/* magic */
334 }				/* init_m32r_cmds */
335 
336 static void
337 m32r_open (char *args, int from_tty)
338 {
339   monitor_open (args, &m32r_cmds, from_tty);
340 }
341 
342 /* Mon2000 monitor (MSA2000 board) */
343 
344 static struct target_ops mon2000_ops;
345 static struct monitor_ops mon2000_cmds;
346 
347 static void
348 init_mon2000_cmds (void)
349 {
350   mon2000_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST;
351   mon2000_cmds.init = m32r_inits;	/* Init strings */
352   mon2000_cmds.cont = "go\r";	/* continue command */
353   mon2000_cmds.step = "step\r";	/* single step */
354   mon2000_cmds.stop = NULL;	/* interrupt command */
355   mon2000_cmds.set_break = "%x +bp\r";	/* set a breakpoint */
356   mon2000_cmds.clr_break = "%x -bp\r";	/* clear a breakpoint */
357   mon2000_cmds.clr_all_break = "bpoff\r";	/* clear all breakpoints */
358   mon2000_cmds.fill = "%x %x %x fill\r";	/* fill (start length val) */
359   mon2000_cmds.setmem.cmdb = "%x 1 %x fill\r";	/* setmem.cmdb (addr, value) */
360   mon2000_cmds.setmem.cmdw = "%x 1 %x fillh\r";	/* setmem.cmdw (addr, value) */
361   mon2000_cmds.setmem.cmdl = "%x 1 %x fillw\r";	/* setmem.cmdl (addr, value) */
362   mon2000_cmds.setmem.cmdll = NULL;	/* setmem.cmdll (addr, value) */
363   mon2000_cmds.setmem.resp_delim = NULL;	/* setmem.resp_delim */
364   mon2000_cmds.setmem.term = NULL;	/* setmem.term */
365   mon2000_cmds.setmem.term_cmd = NULL;	/* setmem.term_cmd */
366   mon2000_cmds.getmem.cmdb = "%x %x dump\r";	/* getmem.cmdb (addr, len) */
367   mon2000_cmds.getmem.cmdw = NULL;	/* getmem.cmdw (addr, len) */
368   mon2000_cmds.getmem.cmdl = NULL;	/* getmem.cmdl (addr, len) */
369   mon2000_cmds.getmem.cmdll = NULL;	/* getmem.cmdll (addr, len) */
370   mon2000_cmds.getmem.resp_delim = ": ";	/* getmem.resp_delim */
371   mon2000_cmds.getmem.term = NULL;	/* getmem.term */
372   mon2000_cmds.getmem.term_cmd = NULL;	/* getmem.term_cmd */
373   mon2000_cmds.setreg.cmd = "%x to %%%s\r";	/* setreg.cmd (name, value) */
374   mon2000_cmds.setreg.resp_delim = NULL;	/* setreg.resp_delim */
375   mon2000_cmds.setreg.term = NULL;	/* setreg.term */
376   mon2000_cmds.setreg.term_cmd = NULL;	/* setreg.term_cmd */
377   mon2000_cmds.getreg.cmd = NULL;	/* getreg.cmd (name) */
378   mon2000_cmds.getreg.resp_delim = NULL;	/* getreg.resp_delim */
379   mon2000_cmds.getreg.term = NULL;	/* getreg.term */
380   mon2000_cmds.getreg.term_cmd = NULL;	/* getreg.term_cmd */
381   mon2000_cmds.dump_registers = ".reg\r";	/* dump_registers */
382   mon2000_cmds.register_pattern = "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)";	/* register_pattern */
383   mon2000_cmds.supply_register = m32r_supply_register;
384   mon2000_cmds.load_routine = NULL;	/* load_routine (defaults to SRECs) */
385   mon2000_cmds.load = NULL;	/* download command */
386   mon2000_cmds.loadresp = NULL;	/* load response */
387   mon2000_cmds.prompt = "Mon2000>";	/* monitor command prompt */
388   mon2000_cmds.line_term = "\r";	/* end-of-line terminator */
389   mon2000_cmds.cmd_end = NULL;	/* optional command terminator */
390   mon2000_cmds.target = &mon2000_ops;	/* target operations */
391   mon2000_cmds.stopbits = SERIAL_1_STOPBITS;	/* number of stop bits */
392   mon2000_cmds.regnames = m32r_regnames;	/* registers names */
393   mon2000_cmds.magic = MONITOR_OPS_MAGIC;	/* magic */
394 }				/* init_mon2000_cmds */
395 
396 static void
397 mon2000_open (char *args, int from_tty)
398 {
399   monitor_open (args, &mon2000_cmds, from_tty);
400 }
401 
402 static void
403 m32r_upload_command (char *args, int from_tty)
404 {
405   bfd *abfd;
406   asection *s;
407   time_t start_time, end_time;	/* for timing of download */
408   int resp_len, data_count = 0;
409   char buf[1024];
410   struct hostent *hostent;
411   struct in_addr inet_addr;
412 
413   /* first check to see if there's an ethernet port! */
414   monitor_printf ("ust\r");
415   resp_len = monitor_expect_prompt (buf, sizeof (buf));
416   if (!strchr (buf, ':'))
417     error ("No ethernet connection!");
418 
419   if (board_addr == 0)
420     {
421       /* scan second colon in the output from the "ust" command */
422       char *myIPaddress = strchr (strchr (buf, ':') + 1, ':') + 1;
423 
424       while (isspace (*myIPaddress))
425 	myIPaddress++;
426 
427       if (!strncmp (myIPaddress, "0.0.", 4))	/* empty */
428 	error
429 	  ("Please use 'set board-address' to set the M32R-EVA board's IP address.");
430       if (strchr (myIPaddress, '('))
431 	*(strchr (myIPaddress, '(')) = '\0';	/* delete trailing junk */
432       board_addr = xstrdup (myIPaddress);
433     }
434   if (server_addr == 0)
435     {
436       buf[0] = 0;
437       gethostname (buf, sizeof (buf));
438       if (buf[0] != 0)
439 	{
440 	  hostent = gethostbyname (buf);
441 	  if (hostent != 0)
442 	    {
443 #if 1
444 	      memcpy (&inet_addr.s_addr, hostent->h_addr,
445 		      sizeof (inet_addr.s_addr));
446 	      server_addr = (char *) inet_ntoa (inet_addr);
447 #else
448 	      server_addr = (char *) inet_ntoa (hostent->h_addr);
449 #endif
450 	    }
451 	}
452       if (server_addr == 0)	/* failed? */
453 	error
454 	  ("Need to know gdb host computer's IP address (use 'set server-address')");
455     }
456 
457   if (args == 0 || args[0] == 0)	/* no args: upload the current file */
458     args = get_exec_file (1);
459 
460   if (args[0] != '/' && download_path == 0)
461     {
462       if (current_directory)
463 	download_path = xstrdup (current_directory);
464       else
465 	error
466 	  ("Need to know default download path (use 'set download-path')");
467     }
468 
469   start_time = time (NULL);
470   monitor_printf ("uhip %s\r", server_addr);
471   resp_len = monitor_expect_prompt (buf, sizeof (buf));	/* parse result? */
472   monitor_printf ("ulip %s\r", board_addr);
473   resp_len = monitor_expect_prompt (buf, sizeof (buf));	/* parse result? */
474   if (args[0] != '/')
475     monitor_printf ("up %s\r", download_path);	/* use default path */
476   else
477     monitor_printf ("up\r");	/* rooted filename/path */
478   resp_len = monitor_expect_prompt (buf, sizeof (buf));	/* parse result? */
479 
480   if (strrchr (args, '.') && !strcmp (strrchr (args, '.'), ".srec"))
481     monitor_printf ("ul %s\r", args);
482   else				/* add ".srec" suffix */
483     monitor_printf ("ul %s.srec\r", args);
484   resp_len = monitor_expect_prompt (buf, sizeof (buf));	/* parse result? */
485 
486   if (buf[0] == 0 || strstr (buf, "complete") == 0)
487     error
488       ("Upload file not found: %s.srec\nCheck IP addresses and download path.",
489        args);
490   else
491     printf_filtered (" -- Ethernet load complete.\n");
492 
493   end_time = time (NULL);
494   abfd = bfd_openr (args, 0);
495   if (abfd != NULL)
496     {				/* Download is done -- print section statistics */
497       if (bfd_check_format (abfd, bfd_object) == 0)
498 	{
499 	  printf_filtered ("File is not an object file\n");
500 	}
501       for (s = abfd->sections; s; s = s->next)
502 	if (s->flags & SEC_LOAD)
503 	  {
504 	    bfd_size_type section_size = bfd_section_size (abfd, s);
505 	    bfd_vma section_base = bfd_section_lma (abfd, s);
506 	    unsigned int buffer;
507 
508 	    data_count += section_size;
509 
510 	    printf_filtered ("Loading section %s, size 0x%lx lma ",
511 			     bfd_section_name (abfd, s), section_size);
512 	    print_address_numeric (section_base, 1, gdb_stdout);
513 	    printf_filtered ("\n");
514 	    gdb_flush (gdb_stdout);
515 	  }
516       /* Finally, make the PC point at the start address */
517       write_pc (bfd_get_start_address (abfd));
518       printf_filtered ("Start address 0x%lx\n", bfd_get_start_address (abfd));
519       print_transfer_performance (gdb_stdout, data_count, 0,
520 				  end_time - start_time);
521     }
522   inferior_ptid = null_ptid;	/* No process now */
523 
524   /* This is necessary because many things were based on the PC at the
525      time that we attached to the monitor, which is no longer valid
526      now that we have loaded new code (and just changed the PC).
527      Another way to do this might be to call normal_stop, except that
528      the stack may not be valid, and things would get horribly
529      confused... */
530 
531   clear_symtab_users ();
532 }
533 
534 void
535 _initialize_m32r_rom (void)
536 {
537   /* Initialize m32r RevC monitor target */
538   init_m32r_cmds ();
539   init_monitor_ops (&m32r_ops);
540 
541   m32r_ops.to_shortname = "m32r";
542   m32r_ops.to_longname = "m32r monitor";
543   m32r_ops.to_load = m32r_load_gen;	/* monitor lacks a download command */
544   m32r_ops.to_doc = "Debug via the m32r monitor.\n\
545 Specify the serial device it is connected to (e.g. /dev/ttya).";
546   m32r_ops.to_open = m32r_open;
547   add_target (&m32r_ops);
548 
549   /* Initialize mon2000 monitor target */
550   init_mon2000_cmds ();
551   init_monitor_ops (&mon2000_ops);
552 
553   mon2000_ops.to_shortname = "mon2000";
554   mon2000_ops.to_longname = "Mon2000 monitor";
555   mon2000_ops.to_load = m32r_load_gen;	/* monitor lacks a download command */
556   mon2000_ops.to_doc = "Debug via the Mon2000 monitor.\n\
557 Specify the serial device it is connected to (e.g. /dev/ttya).";
558   mon2000_ops.to_open = mon2000_open;
559   add_target (&mon2000_ops);
560 
561   add_setshow_string_cmd ("download-path", class_obscure, &download_path, "\
562 Set the default path for downloadable SREC files.", "\
563 Show the default path for downloadable SREC files.", "\
564 Determines the default path for downloadable SREC files.", "\
565 The default path for downloadable SREC files is %s.",
566 		   NULL, NULL, &setlist, &showlist);
567 
568   add_setshow_string_cmd ("board-address", class_obscure, &board_addr, "\
569 Set IP address for M32R-EVA target board.", "\
570 Show IP address for M32R-EVA target board.", "\
571 Determine the IP address for M32R-EVA target board.", "\
572 IP address for M32R-EVA target board is %s",
573 		   NULL, NULL, &setlist, &showlist);
574 
575   add_setshow_string_cmd ("server-address", class_obscure, &server_addr, "\
576 Set IP address for download server (GDB's host computer).", "\
577 Show IP address for download server (GDB's host computer).", "\
578 Determine the IP address for download server (GDB's host computer).", "\
579 IP address for download server (GDB's host computer) is %s.",
580 		   NULL, NULL, &setlist, &showlist);
581 
582   add_com ("upload", class_obscure, m32r_upload_command,
583 	   "Upload the srec file via the monitor's Ethernet upload capability.");
584 
585   add_com ("tload", class_obscure, m32r_load, "test upload command.");
586 }
587