1 /* Remote debugging interface to m32r and mon2000 ROM monitors for GDB,
4 Copyright (C) 1996-2014 Free Software Foundation, Inc.
6 Adapted by Michael Snyder of Cygnus Support.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 /* This module defines communication with the Renesas m32r monitor. */
28 #include "exceptions.h"
34 #include "symfile.h" /* for generic load */
36 #include <time.h> /* for time_t */
38 #include "objfiles.h" /* for ALL_OBJFILES etc. */
43 #include "cli/cli-utils.h"
46 * All this stuff just to get my host computer's IP address!
51 #include <sys/types.h>
52 #include <netdb.h> /* for hostent */
53 #include <netinet/in.h> /* for struct in_addr */
55 #include <arpa/inet.h> /* for inet_ntoa */
59 static char *board_addr; /* user-settable IP address for M32R-EVA */
60 static char *server_addr; /* user-settable IP address for gdb host */
61 static char *download_path; /* user-settable path for SREC files */
68 #define ACCL_REGNUM 22
69 #define ACCH_REGNUM 23
73 * Function: m32r_load_1 (helper function)
77 m32r_load_section (bfd *abfd, asection *s, void *obj)
79 unsigned int *data_count = obj;
80 if (s->flags & SEC_LOAD)
82 int addr_size = gdbarch_addr_bit (target_gdbarch ()) / 8;
83 bfd_size_type section_size = bfd_section_size (abfd, s);
84 bfd_vma section_base = bfd_section_lma (abfd, s);
85 unsigned int buffer, i;
87 *data_count += section_size;
89 printf_filtered ("Loading section %s, size 0x%lx lma ",
90 bfd_section_name (abfd, s),
91 (unsigned long) section_size);
92 fputs_filtered (paddress (target_gdbarch (), section_base), gdb_stdout);
93 printf_filtered ("\n");
94 gdb_flush (gdb_stdout);
95 monitor_printf ("%s mw\r", phex_nz (section_base, addr_size));
96 for (i = 0; i < section_size; i += 4)
99 monitor_expect (" -> ", NULL, 0);
100 bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
101 monitor_printf ("%x\n", buffer);
103 monitor_expect (" -> ", NULL, 0);
104 monitor_printf ("q\n");
105 monitor_expect_prompt (NULL, 0);
110 m32r_load_1 (void *dummy)
114 bfd_map_over_sections ((bfd *) dummy, m32r_load_section, &data_count);
119 * Function: m32r_load (an alternate way to load)
123 m32r_load (char *filename, int from_tty)
126 unsigned int data_count = 0;
127 struct timeval start_time, end_time;
128 struct cleanup *cleanup;
130 if (filename == NULL || filename[0] == 0)
131 filename = get_exec_file (1);
133 abfd = gdb_bfd_open (filename, NULL, -1);
135 error (_("Unable to open file %s."), filename);
136 cleanup = make_cleanup_bfd_unref (abfd);
137 if (bfd_check_format (abfd, bfd_object) == 0)
138 error (_("File is not an object file."));
139 gettimeofday (&start_time, NULL);
141 for (s = abfd->sections; s; s = s->next)
142 if (s->flags & SEC_LOAD)
144 bfd_size_type section_size = bfd_section_size (abfd, s);
145 bfd_vma section_base = bfd_section_vma (abfd, s);
148 data_count += section_size;
150 printf_filtered ("Loading section %s, size 0x%lx vma ",
151 bfd_section_name (abfd, s), section_size);
152 fputs_filtered (paddress (target_gdbarch (), section_base), gdb_stdout);
153 printf_filtered ("\n");
154 gdb_flush (gdb_stdout);
155 monitor_printf ("%x mw\r", section_base);
156 for (i = 0; i < section_size; i += 4)
158 monitor_expect (" -> ", NULL, 0);
159 bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
160 monitor_printf ("%x\n", buffer);
162 monitor_expect (" -> ", NULL, 0);
163 monitor_printf ("q\n");
164 monitor_expect_prompt (NULL, 0);
167 if (!(catch_errors (m32r_load_1, abfd, "Load aborted!\n", RETURN_MASK_ALL)))
169 monitor_printf ("q\n");
170 do_cleanups (cleanup);
174 gettimeofday (&end_time, NULL);
175 printf_filtered ("Start address 0x%lx\n",
176 (unsigned long) bfd_get_start_address (abfd));
177 print_transfer_performance (gdb_stdout, data_count, 0, &start_time,
180 /* Finally, make the PC point at the start address. */
182 regcache_write_pc (get_current_regcache (),
183 bfd_get_start_address (exec_bfd));
185 inferior_ptid = null_ptid; /* No process now. */
187 /* This is necessary because many things were based on the PC at the
188 time that we attached to the monitor, which is no longer valid
189 now that we have loaded new code (and just changed the PC).
190 Another way to do this might be to call normal_stop, except that
191 the stack may not be valid, and things would get horribly
194 clear_symtab_users (0);
195 do_cleanups (cleanup);
199 m32r_load_gen (struct target_ops *self, const char *filename, int from_tty)
201 generic_load (filename, from_tty);
204 static void m32r_open (char *args, int from_tty);
205 static void mon2000_open (char *args, int from_tty);
207 /* This array of registers needs to match the indexes used by GDB. The
208 whole reason this exists is because the various ROM monitors use
209 different names than GDB does, and don't support all the registers
210 either. So, typing "info reg sp" becomes an "A7". */
212 static char *m32r_regnames[] =
213 { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
214 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
215 "psw", "cbr", "spi", "spu", "bpc", "pc", "accl", "acch",
219 m32r_supply_register (struct regcache *regcache, char *regname,
220 int regnamelen, char *val, int vallen)
223 int num_regs = sizeof (m32r_regnames) / sizeof (m32r_regnames[0]);
224 struct gdbarch *gdbarch = get_regcache_arch (regcache);
226 for (regno = 0; regno < num_regs; regno++)
227 if (strncmp (regname, m32r_regnames[regno], regnamelen) == 0)
230 if (regno >= num_regs)
231 return; /* no match */
233 if (regno == ACCL_REGNUM)
234 { /* Special handling for 64-bit acc reg. */
235 monitor_supply_register (regcache, ACCH_REGNUM, val);
236 val = strchr (val, ':'); /* Skip past ':' to get 2nd word. */
238 monitor_supply_register (regcache, ACCL_REGNUM, val + 1);
242 monitor_supply_register (regcache, regno, val);
243 if (regno == PSW_REGNUM)
245 #if (defined SM_REGNUM || defined BSM_REGNUM || defined IE_REGNUM \
246 || defined BIE_REGNUM || defined COND_REGNUM || defined CBR_REGNUM \
247 || defined BPC_REGNUM || defined BCARRY_REGNUM)
248 unsigned long psw = strtoul (val, NULL, 16);
249 char *zero = "00000000", *one = "00000001";
254 monitor_supply_register (regcache, SM_REGNUM,
255 (psw & 0x80) ? one : zero);
258 /* Backup stack mode bit */
259 monitor_supply_register (regcache, BSM_REGNUM,
260 (psw & 0x8000) ? one : zero);
263 /* Interrupt enable bit */
264 monitor_supply_register (regcache, IE_REGNUM,
265 (psw & 0x40) ? one : zero);
268 /* Backup interrupt enable bit */
269 monitor_supply_register (regcache, BIE_REGNUM,
270 (psw & 0x4000) ? one : zero);
273 /* Condition bit (carry etc.) */
274 monitor_supply_register (regcache, COND_REGNUM,
275 (psw & 0x1) ? one : zero);
278 monitor_supply_register (regcache, CBR_REGNUM,
279 (psw & 0x1) ? one : zero);
282 monitor_supply_register (regcache, BPC_REGNUM,
283 zero); /* KLUDGE: (???????) */
286 monitor_supply_register (regcache, BCARRY_REGNUM,
287 zero); /* KLUDGE: (??????) */
291 if (regno == SPI_REGNUM || regno == SPU_REGNUM)
292 { /* special handling for stack pointer (spu or spi). */
293 ULONGEST stackmode, psw;
294 regcache_cooked_read_unsigned (regcache, PSW_REGNUM, &psw);
295 stackmode = psw & 0x80;
297 if (regno == SPI_REGNUM && !stackmode) /* SP == SPI */
298 monitor_supply_register (regcache,
299 gdbarch_sp_regnum (gdbarch), val);
300 else if (regno == SPU_REGNUM && stackmode) /* SP == SPU */
301 monitor_supply_register (regcache,
302 gdbarch_sp_regnum (gdbarch), val);
307 /* m32r RevC board monitor */
309 static struct target_ops m32r_ops;
311 static char *m32r_inits[] = { "\r", NULL };
313 static struct monitor_ops m32r_cmds;
316 init_m32r_cmds (void)
318 m32r_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST;
319 m32r_cmds.init = m32r_inits; /* Init strings */
320 m32r_cmds.cont = "go\r"; /* continue command */
321 m32r_cmds.step = "step\r"; /* single step */
322 m32r_cmds.stop = NULL; /* interrupt command */
323 m32r_cmds.set_break = "%x +bp\r"; /* set a breakpoint */
324 m32r_cmds.clr_break = "%x -bp\r"; /* clear a breakpoint */
325 m32r_cmds.clr_all_break = "bpoff\r"; /* clear all breakpoints */
326 m32r_cmds.fill = "%x %x %x fill\r"; /* fill (start length val) */
327 m32r_cmds.setmem.cmdb = "%x 1 %x fill\r"; /* setmem.cmdb (addr, value) */
328 m32r_cmds.setmem.cmdw = "%x 1 %x fillh\r"; /* setmem.cmdw (addr, value) */
329 m32r_cmds.setmem.cmdl = "%x 1 %x fillw\r"; /* setmem.cmdl (addr, value) */
330 m32r_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
331 m32r_cmds.setmem.resp_delim = NULL; /* setmem.resp_delim */
332 m32r_cmds.setmem.term = NULL; /* setmem.term */
333 m32r_cmds.setmem.term_cmd = NULL; /* setmem.term_cmd */
334 m32r_cmds.getmem.cmdb = "%x %x dump\r"; /* getmem.cmdb (addr, len) */
335 m32r_cmds.getmem.cmdw = NULL; /* getmem.cmdw (addr, len) */
336 m32r_cmds.getmem.cmdl = NULL; /* getmem.cmdl (addr, len) */
337 m32r_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
338 m32r_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */
339 m32r_cmds.getmem.term = NULL; /* getmem.term */
340 m32r_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
341 m32r_cmds.setreg.cmd = "%x to %%%s\r"; /* setreg.cmd (name, value) */
342 m32r_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
343 m32r_cmds.setreg.term = NULL; /* setreg.term */
344 m32r_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
345 m32r_cmds.getreg.cmd = NULL; /* getreg.cmd (name) */
346 m32r_cmds.getreg.resp_delim = NULL; /* getreg.resp_delim */
347 m32r_cmds.getreg.term = NULL; /* getreg.term */
348 m32r_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */
349 m32r_cmds.dump_registers = ".reg\r"; /* dump_registers */
350 /* register_pattern */
351 m32r_cmds.register_pattern = "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)";
352 m32r_cmds.supply_register = m32r_supply_register;
353 m32r_cmds.load = NULL; /* download command */
354 m32r_cmds.loadresp = NULL; /* load response */
355 m32r_cmds.prompt = "ok "; /* monitor command prompt */
356 m32r_cmds.line_term = "\r"; /* end-of-line terminator */
357 m32r_cmds.cmd_end = NULL; /* optional command terminator */
358 m32r_cmds.target = &m32r_ops; /* target operations */
359 m32r_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
360 m32r_cmds.regnames = m32r_regnames; /* registers names */
361 m32r_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
362 } /* init_m32r_cmds */
365 m32r_open (char *args, int from_tty)
367 monitor_open (args, &m32r_cmds, from_tty);
370 /* Mon2000 monitor (MSA2000 board) */
372 static struct target_ops mon2000_ops;
373 static struct monitor_ops mon2000_cmds;
376 init_mon2000_cmds (void)
378 mon2000_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST;
379 mon2000_cmds.init = m32r_inits; /* Init strings */
380 mon2000_cmds.cont = "go\r"; /* continue command */
381 mon2000_cmds.step = "step\r"; /* single step */
382 mon2000_cmds.stop = NULL; /* interrupt command */
383 mon2000_cmds.set_break = "%x +bp\r"; /* set a breakpoint */
384 mon2000_cmds.clr_break = "%x -bp\r"; /* clear a breakpoint */
385 mon2000_cmds.clr_all_break = "bpoff\r"; /* clear all breakpoints */
386 mon2000_cmds.fill = "%x %x %x fill\r"; /* fill (start length val) */
387 mon2000_cmds.setmem.cmdb = "%x 1 %x fill\r"; /* setmem.cmdb (addr, value) */
388 mon2000_cmds.setmem.cmdw = "%x 1 %x fillh\r"; /* setmem.cmdw (addr, value) */
389 mon2000_cmds.setmem.cmdl = "%x 1 %x fillw\r"; /* setmem.cmdl (addr, value) */
390 mon2000_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
391 mon2000_cmds.setmem.resp_delim = NULL; /* setmem.resp_delim */
392 mon2000_cmds.setmem.term = NULL; /* setmem.term */
393 mon2000_cmds.setmem.term_cmd = NULL; /* setmem.term_cmd */
394 mon2000_cmds.getmem.cmdb = "%x %x dump\r"; /* getmem.cmdb (addr, len) */
395 mon2000_cmds.getmem.cmdw = NULL; /* getmem.cmdw (addr, len) */
396 mon2000_cmds.getmem.cmdl = NULL; /* getmem.cmdl (addr, len) */
397 mon2000_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
398 mon2000_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */
399 mon2000_cmds.getmem.term = NULL; /* getmem.term */
400 mon2000_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
401 mon2000_cmds.setreg.cmd = "%x to %%%s\r"; /* setreg.cmd (name, value) */
402 mon2000_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
403 mon2000_cmds.setreg.term = NULL; /* setreg.term */
404 mon2000_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
405 mon2000_cmds.getreg.cmd = NULL; /* getreg.cmd (name) */
406 mon2000_cmds.getreg.resp_delim = NULL; /* getreg.resp_delim */
407 mon2000_cmds.getreg.term = NULL; /* getreg.term */
408 mon2000_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */
409 mon2000_cmds.dump_registers = ".reg\r"; /* dump_registers */
410 /* register_pattern */
411 mon2000_cmds.register_pattern = "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)";
412 mon2000_cmds.supply_register = m32r_supply_register;
413 mon2000_cmds.load = NULL; /* download command */
414 mon2000_cmds.loadresp = NULL; /* load response */
415 mon2000_cmds.prompt = "Mon2000>"; /* monitor command prompt */
416 mon2000_cmds.line_term = "\r"; /* end-of-line terminator */
417 mon2000_cmds.cmd_end = NULL; /* optional command terminator */
418 mon2000_cmds.target = &mon2000_ops; /* target operations */
419 mon2000_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
420 mon2000_cmds.regnames = m32r_regnames; /* registers names */
421 mon2000_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
422 } /* init_mon2000_cmds */
425 mon2000_open (char *args, int from_tty)
427 monitor_open (args, &mon2000_cmds, from_tty);
431 m32r_upload_command (char *args, int from_tty)
435 struct timeval start_time, end_time;
436 int resp_len, data_count = 0;
438 struct hostent *hostent;
439 struct in_addr inet_addr;
440 struct cleanup *cleanup;
442 /* First check to see if there's an ethernet port! */
443 monitor_printf ("ust\r");
444 resp_len = monitor_expect_prompt (buf, sizeof (buf));
445 if (!strchr (buf, ':'))
446 error (_("No ethernet connection!"));
450 /* Scan second colon in the output from the "ust" command. */
451 char *myIPaddress = strchr (strchr (buf, ':') + 1, ':') + 1;
453 myIPaddress = skip_spaces (myIPaddress);
455 if (!strncmp (myIPaddress, "0.0.", 4)) /* empty */
456 error (_("Please use 'set board-address' to "
457 "set the M32R-EVA board's IP address."));
458 if (strchr (myIPaddress, '('))
459 *(strchr (myIPaddress, '(')) = '\0'; /* delete trailing junk */
460 board_addr = xstrdup (myIPaddress);
462 if (server_addr == 0)
466 /* Winsock initialization. */
467 if (WSAStartup (MAKEWORD (1, 1), &wd))
468 error (_("Couldn't initialize WINSOCK."));
472 gethostname (buf, sizeof (buf));
475 hostent = gethostbyname (buf);
479 memcpy (&inet_addr.s_addr, hostent->h_addr,
480 sizeof (inet_addr.s_addr));
481 server_addr = (char *) inet_ntoa (inet_addr);
483 server_addr = (char *) inet_ntoa (hostent->h_addr);
487 if (server_addr == 0) /* failed? */
488 error (_("Need to know gdb host computer's "
489 "IP address (use 'set server-address')"));
492 if (args == 0 || args[0] == 0) /* No args: upload the current
494 args = get_exec_file (1);
496 if (args[0] != '/' && download_path == 0)
498 if (current_directory)
499 download_path = xstrdup (current_directory);
501 error (_("Need to know default download "
502 "path (use 'set download-path')"));
505 gettimeofday (&start_time, NULL);
506 monitor_printf ("uhip %s\r", server_addr);
507 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
508 monitor_printf ("ulip %s\r", board_addr);
509 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
511 monitor_printf ("up %s\r", download_path); /* use default path */
513 monitor_printf ("up\r"); /* rooted filename/path */
514 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
516 if (strrchr (args, '.') && !strcmp (strrchr (args, '.'), ".srec"))
517 monitor_printf ("ul %s\r", args);
518 else /* add ".srec" suffix */
519 monitor_printf ("ul %s.srec\r", args);
520 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
522 if (buf[0] == 0 || strstr (buf, "complete") == 0)
523 error (_("Upload file not found: %s.srec\n"
524 "Check IP addresses and download path."),
527 printf_filtered (" -- Ethernet load complete.\n");
529 gettimeofday (&end_time, NULL);
530 abfd = gdb_bfd_open (args, NULL, -1);
531 cleanup = make_cleanup_bfd_unref (abfd);
533 { /* Download is done -- print section statistics. */
534 if (bfd_check_format (abfd, bfd_object) == 0)
536 printf_filtered ("File is not an object file\n");
538 for (s = abfd->sections; s; s = s->next)
539 if (s->flags & SEC_LOAD)
541 bfd_size_type section_size = bfd_section_size (abfd, s);
542 bfd_vma section_base = bfd_section_lma (abfd, s);
544 data_count += section_size;
546 printf_filtered ("Loading section %s, size 0x%lx lma ",
547 bfd_section_name (abfd, s),
548 (unsigned long) section_size);
549 fputs_filtered (paddress (target_gdbarch (), section_base),
551 printf_filtered ("\n");
552 gdb_flush (gdb_stdout);
554 /* Finally, make the PC point at the start address. */
555 regcache_write_pc (get_current_regcache (),
556 bfd_get_start_address (abfd));
557 printf_filtered ("Start address 0x%lx\n",
558 (unsigned long) bfd_get_start_address (abfd));
559 print_transfer_performance (gdb_stdout, data_count, 0, &start_time,
562 inferior_ptid = null_ptid; /* No process now. */
564 /* This is necessary because many things were based on the PC at the
565 time that we attached to the monitor, which is no longer valid
566 now that we have loaded new code (and just changed the PC).
567 Another way to do this might be to call normal_stop, except that
568 the stack may not be valid, and things would get horribly
571 clear_symtab_users (0);
572 do_cleanups (cleanup);
575 /* Provide a prototype to silence -Wmissing-prototypes. */
576 extern initialize_file_ftype _initialize_m32r_rom;
579 _initialize_m32r_rom (void)
581 /* Initialize m32r RevC monitor target. */
583 init_monitor_ops (&m32r_ops);
585 m32r_ops.to_shortname = "m32r";
586 m32r_ops.to_longname = "m32r monitor";
587 m32r_ops.to_load = m32r_load_gen; /* Monitor lacks a download
589 m32r_ops.to_doc = "Debug via the m32r monitor.\n\
590 Specify the serial device it is connected to (e.g. /dev/ttya).";
591 m32r_ops.to_open = m32r_open;
592 add_target (&m32r_ops);
594 /* Initialize mon2000 monitor target */
595 init_mon2000_cmds ();
596 init_monitor_ops (&mon2000_ops);
598 mon2000_ops.to_shortname = "mon2000";
599 mon2000_ops.to_longname = "Mon2000 monitor";
600 mon2000_ops.to_load = m32r_load_gen; /* Monitor lacks a download
602 mon2000_ops.to_doc = "Debug via the Mon2000 monitor.\n\
603 Specify the serial device it is connected to (e.g. /dev/ttya).";
604 mon2000_ops.to_open = mon2000_open;
605 add_target (&mon2000_ops);
607 add_setshow_string_cmd ("download-path", class_obscure, &download_path, _("\
608 Set the default path for downloadable SREC files."), _("\
609 Show the default path for downloadable SREC files."), _("\
610 Determines the default path for downloadable SREC files."),
612 NULL, /* FIXME: i18n: The default path for
613 downloadable SREC files is %s. */
614 &setlist, &showlist);
616 add_setshow_string_cmd ("board-address", class_obscure, &board_addr, _("\
617 Set IP address for M32R-EVA target board."), _("\
618 Show IP address for M32R-EVA target board."), _("\
619 Determine the IP address for M32R-EVA target board."),
621 NULL, /* FIXME: i18n: IP address for
622 M32R-EVA target board is %s. */
623 &setlist, &showlist);
625 add_setshow_string_cmd ("server-address", class_obscure, &server_addr, _("\
626 Set IP address for download server (GDB's host computer)."), _("\
627 Show IP address for download server (GDB's host computer)."), _("\
628 Determine the IP address for download server (GDB's host computer)."),
630 NULL, /* FIXME: i18n: IP address for
631 download server (GDB's host
633 &setlist, &showlist);
635 add_com ("upload", class_obscure, m32r_upload_command, _("\
636 Upload the srec file via the monitor's Ethernet upload capability."));
638 add_com ("tload", class_obscure, m32r_load, _("test upload command."));