1 /* Remote debugging interface to m32r and mon2000 ROM monitors for GDB,
4 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2004, 2005
5 Free Software Foundation, Inc.
7 Adapted by Michael Snyder of Cygnus Support.
9 This file is part of GDB.
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.
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.
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., 51 Franklin Street, Fifth Floor,
24 Boston, MA 02110-1301, USA. */
26 /* This module defines communication with the Renesas m32r monitor */
31 #include "exceptions.h"
37 #include "symfile.h" /* for generic load */
39 #include <time.h> /* for time_t */
40 #include "gdb_string.h"
41 #include "objfiles.h" /* for ALL_OBJFILES etc. */
42 #include "inferior.h" /* for write_pc() */
47 * All this stuff just to get my host computer's IP address!
49 #include <sys/types.h>
50 #include <netdb.h> /* for hostent */
51 #include <netinet/in.h> /* for struct in_addr */
53 #include <arpa/inet.h> /* for inet_ntoa */
56 static char *board_addr; /* user-settable IP address for M32R-EVA */
57 static char *server_addr; /* user-settable IP address for gdb host */
58 static char *download_path; /* user-settable path for SREC files */
65 #define ACCL_REGNUM 22
66 #define ACCH_REGNUM 23
70 * Function: m32r_load_1 (helper function)
74 m32r_load_section (bfd *abfd, asection *s, void *obj)
76 unsigned int *data_count = obj;
77 if (s->flags & SEC_LOAD)
79 bfd_size_type section_size = bfd_section_size (abfd, s);
80 bfd_vma section_base = bfd_section_lma (abfd, s);
81 unsigned int buffer, i;
83 *data_count += section_size;
85 printf_filtered ("Loading section %s, size 0x%lx lma ",
86 bfd_section_name (abfd, s), section_size);
87 deprecated_print_address_numeric (section_base, 1, gdb_stdout);
88 printf_filtered ("\n");
89 gdb_flush (gdb_stdout);
90 monitor_printf ("%s mw\r", paddr_nz (section_base));
91 for (i = 0; i < section_size; i += 4)
94 monitor_expect (" -> ", NULL, 0);
95 bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
96 monitor_printf ("%x\n", buffer);
98 monitor_expect (" -> ", NULL, 0);
99 monitor_printf ("q\n");
100 monitor_expect_prompt (NULL, 0);
105 m32r_load_1 (void *dummy)
109 bfd_map_over_sections ((bfd *) dummy, m32r_load_section, &data_count);
114 * Function: m32r_load (an alternate way to load)
118 m32r_load (char *filename, int from_tty)
122 unsigned int i, data_count = 0;
123 struct timeval start_time, end_time;
125 if (filename == NULL || filename[0] == 0)
126 filename = get_exec_file (1);
128 abfd = bfd_openr (filename, 0);
130 error (_("Unable to open file %s."), filename);
131 if (bfd_check_format (abfd, bfd_object) == 0)
132 error (_("File is not an object file."));
133 gettimeofday (&start_time, NULL);
135 for (s = abfd->sections; s; s = s->next)
136 if (s->flags & SEC_LOAD)
138 bfd_size_type section_size = bfd_section_size (abfd, s);
139 bfd_vma section_base = bfd_section_vma (abfd, s);
142 data_count += section_size;
144 printf_filtered ("Loading section %s, size 0x%lx vma ",
145 bfd_section_name (abfd, s), section_size);
146 deprecated_print_address_numeric (section_base, 1, gdb_stdout);
147 printf_filtered ("\n");
148 gdb_flush (gdb_stdout);
149 monitor_printf ("%x mw\r", section_base);
150 for (i = 0; i < section_size; i += 4)
152 monitor_expect (" -> ", NULL, 0);
153 bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
154 monitor_printf ("%x\n", buffer);
156 monitor_expect (" -> ", NULL, 0);
157 monitor_printf ("q\n");
158 monitor_expect_prompt (NULL, 0);
161 if (!(catch_errors (m32r_load_1, abfd, "Load aborted!\n", RETURN_MASK_ALL)))
163 monitor_printf ("q\n");
167 gettimeofday (&end_time, NULL);
168 printf_filtered ("Start address 0x%lx\n", bfd_get_start_address (abfd));
169 print_transfer_performance (gdb_stdout, data_count, 0, &start_time,
172 /* Finally, make the PC point at the start address */
174 write_pc (bfd_get_start_address (exec_bfd));
176 inferior_ptid = null_ptid; /* No process now */
178 /* This is necessary because many things were based on the PC at the
179 time that we attached to the monitor, which is no longer valid
180 now that we have loaded new code (and just changed the PC).
181 Another way to do this might be to call normal_stop, except that
182 the stack may not be valid, and things would get horribly
185 clear_symtab_users ();
189 m32r_load_gen (char *filename, int from_tty)
191 generic_load (filename, from_tty);
194 static void m32r_open (char *args, int from_tty);
195 static void mon2000_open (char *args, int from_tty);
197 /* This array of registers needs to match the indexes used by GDB. The
198 whole reason this exists is because the various ROM monitors use
199 different names than GDB does, and don't support all the registers
200 either. So, typing "info reg sp" becomes an "A7". */
202 static char *m32r_regnames[] =
203 { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
204 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
205 "psw", "cbr", "spi", "spu", "bpc", "pc", "accl", "acch",
209 m32r_supply_register (char *regname, int regnamelen, char *val, int vallen)
212 int num_regs = sizeof (m32r_regnames) / sizeof (m32r_regnames[0]);
214 for (regno = 0; regno < num_regs; regno++)
215 if (strncmp (regname, m32r_regnames[regno], regnamelen) == 0)
218 if (regno >= num_regs)
219 return; /* no match */
221 if (regno == ACCL_REGNUM)
222 { /* special handling for 64-bit acc reg */
223 monitor_supply_register (ACCH_REGNUM, val);
224 val = strchr (val, ':'); /* skip past ':' to get 2nd word */
226 monitor_supply_register (ACCL_REGNUM, val + 1);
230 monitor_supply_register (regno, val);
231 if (regno == PSW_REGNUM)
233 unsigned long psw = strtoul (val, NULL, 16);
234 char *zero = "00000000", *one = "00000001";
238 monitor_supply_register (SM_REGNUM, (psw & 0x80) ? one : zero);
241 /* Backup stack mode bit */
242 monitor_supply_register (BSM_REGNUM, (psw & 0x8000) ? one : zero);
245 /* Interrupt enable bit */
246 monitor_supply_register (IE_REGNUM, (psw & 0x40) ? one : zero);
249 /* Backup interrupt enable bit */
250 monitor_supply_register (BIE_REGNUM, (psw & 0x4000) ? one : zero);
253 /* Condition bit (carry etc.) */
254 monitor_supply_register (COND_REGNUM, (psw & 0x1) ? one : zero);
257 monitor_supply_register (CBR_REGNUM, (psw & 0x1) ? one : zero);
260 monitor_supply_register (BPC_REGNUM, zero); /* KLUDGE: (???????) */
263 monitor_supply_register (BCARRY_REGNUM, zero); /* KLUDGE: (??????) */
267 if (regno == SPI_REGNUM || regno == SPU_REGNUM)
268 { /* special handling for stack pointer (spu or spi) */
269 ULONGEST stackmode, psw;
270 regcache_cooked_read_unsigned (current_regcache, PSW_REGNUM, &psw);
271 stackmode = psw & 0x80;
273 if (regno == SPI_REGNUM && !stackmode) /* SP == SPI */
274 monitor_supply_register (SP_REGNUM, val);
275 else if (regno == SPU_REGNUM && stackmode) /* SP == SPU */
276 monitor_supply_register (SP_REGNUM, val);
281 /* m32r RevC board monitor */
283 static struct target_ops m32r_ops;
285 static char *m32r_inits[] = { "\r", NULL };
287 static struct monitor_ops m32r_cmds;
290 init_m32r_cmds (void)
292 m32r_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST;
293 m32r_cmds.init = m32r_inits; /* Init strings */
294 m32r_cmds.cont = "go\r"; /* continue command */
295 m32r_cmds.step = "step\r"; /* single step */
296 m32r_cmds.stop = NULL; /* interrupt command */
297 m32r_cmds.set_break = "%x +bp\r"; /* set a breakpoint */
298 m32r_cmds.clr_break = "%x -bp\r"; /* clear a breakpoint */
299 m32r_cmds.clr_all_break = "bpoff\r"; /* clear all breakpoints */
300 m32r_cmds.fill = "%x %x %x fill\r"; /* fill (start length val) */
301 m32r_cmds.setmem.cmdb = "%x 1 %x fill\r"; /* setmem.cmdb (addr, value) */
302 m32r_cmds.setmem.cmdw = "%x 1 %x fillh\r"; /* setmem.cmdw (addr, value) */
303 m32r_cmds.setmem.cmdl = "%x 1 %x fillw\r"; /* setmem.cmdl (addr, value) */
304 m32r_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
305 m32r_cmds.setmem.resp_delim = NULL; /* setmem.resp_delim */
306 m32r_cmds.setmem.term = NULL; /* setmem.term */
307 m32r_cmds.setmem.term_cmd = NULL; /* setmem.term_cmd */
308 m32r_cmds.getmem.cmdb = "%x %x dump\r"; /* getmem.cmdb (addr, len) */
309 m32r_cmds.getmem.cmdw = NULL; /* getmem.cmdw (addr, len) */
310 m32r_cmds.getmem.cmdl = NULL; /* getmem.cmdl (addr, len) */
311 m32r_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
312 m32r_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */
313 m32r_cmds.getmem.term = NULL; /* getmem.term */
314 m32r_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
315 m32r_cmds.setreg.cmd = "%x to %%%s\r"; /* setreg.cmd (name, value) */
316 m32r_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
317 m32r_cmds.setreg.term = NULL; /* setreg.term */
318 m32r_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
319 m32r_cmds.getreg.cmd = NULL; /* getreg.cmd (name) */
320 m32r_cmds.getreg.resp_delim = NULL; /* getreg.resp_delim */
321 m32r_cmds.getreg.term = NULL; /* getreg.term */
322 m32r_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */
323 m32r_cmds.dump_registers = ".reg\r"; /* dump_registers */
324 m32r_cmds.register_pattern = "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)"; /* register_pattern */
325 m32r_cmds.supply_register = m32r_supply_register;
326 m32r_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */
327 m32r_cmds.load = NULL; /* download command */
328 m32r_cmds.loadresp = NULL; /* load response */
329 m32r_cmds.prompt = "ok "; /* monitor command prompt */
330 m32r_cmds.line_term = "\r"; /* end-of-line terminator */
331 m32r_cmds.cmd_end = NULL; /* optional command terminator */
332 m32r_cmds.target = &m32r_ops; /* target operations */
333 m32r_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
334 m32r_cmds.regnames = m32r_regnames; /* registers names */
335 m32r_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
336 } /* init_m32r_cmds */
339 m32r_open (char *args, int from_tty)
341 monitor_open (args, &m32r_cmds, from_tty);
344 /* Mon2000 monitor (MSA2000 board) */
346 static struct target_ops mon2000_ops;
347 static struct monitor_ops mon2000_cmds;
350 init_mon2000_cmds (void)
352 mon2000_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST;
353 mon2000_cmds.init = m32r_inits; /* Init strings */
354 mon2000_cmds.cont = "go\r"; /* continue command */
355 mon2000_cmds.step = "step\r"; /* single step */
356 mon2000_cmds.stop = NULL; /* interrupt command */
357 mon2000_cmds.set_break = "%x +bp\r"; /* set a breakpoint */
358 mon2000_cmds.clr_break = "%x -bp\r"; /* clear a breakpoint */
359 mon2000_cmds.clr_all_break = "bpoff\r"; /* clear all breakpoints */
360 mon2000_cmds.fill = "%x %x %x fill\r"; /* fill (start length val) */
361 mon2000_cmds.setmem.cmdb = "%x 1 %x fill\r"; /* setmem.cmdb (addr, value) */
362 mon2000_cmds.setmem.cmdw = "%x 1 %x fillh\r"; /* setmem.cmdw (addr, value) */
363 mon2000_cmds.setmem.cmdl = "%x 1 %x fillw\r"; /* setmem.cmdl (addr, value) */
364 mon2000_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
365 mon2000_cmds.setmem.resp_delim = NULL; /* setmem.resp_delim */
366 mon2000_cmds.setmem.term = NULL; /* setmem.term */
367 mon2000_cmds.setmem.term_cmd = NULL; /* setmem.term_cmd */
368 mon2000_cmds.getmem.cmdb = "%x %x dump\r"; /* getmem.cmdb (addr, len) */
369 mon2000_cmds.getmem.cmdw = NULL; /* getmem.cmdw (addr, len) */
370 mon2000_cmds.getmem.cmdl = NULL; /* getmem.cmdl (addr, len) */
371 mon2000_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
372 mon2000_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */
373 mon2000_cmds.getmem.term = NULL; /* getmem.term */
374 mon2000_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
375 mon2000_cmds.setreg.cmd = "%x to %%%s\r"; /* setreg.cmd (name, value) */
376 mon2000_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
377 mon2000_cmds.setreg.term = NULL; /* setreg.term */
378 mon2000_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
379 mon2000_cmds.getreg.cmd = NULL; /* getreg.cmd (name) */
380 mon2000_cmds.getreg.resp_delim = NULL; /* getreg.resp_delim */
381 mon2000_cmds.getreg.term = NULL; /* getreg.term */
382 mon2000_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */
383 mon2000_cmds.dump_registers = ".reg\r"; /* dump_registers */
384 mon2000_cmds.register_pattern = "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)"; /* register_pattern */
385 mon2000_cmds.supply_register = m32r_supply_register;
386 mon2000_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */
387 mon2000_cmds.load = NULL; /* download command */
388 mon2000_cmds.loadresp = NULL; /* load response */
389 mon2000_cmds.prompt = "Mon2000>"; /* monitor command prompt */
390 mon2000_cmds.line_term = "\r"; /* end-of-line terminator */
391 mon2000_cmds.cmd_end = NULL; /* optional command terminator */
392 mon2000_cmds.target = &mon2000_ops; /* target operations */
393 mon2000_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
394 mon2000_cmds.regnames = m32r_regnames; /* registers names */
395 mon2000_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
396 } /* init_mon2000_cmds */
399 mon2000_open (char *args, int from_tty)
401 monitor_open (args, &mon2000_cmds, from_tty);
405 m32r_upload_command (char *args, int from_tty)
409 struct timeval start_time, end_time;
410 int resp_len, data_count = 0;
412 struct hostent *hostent;
413 struct in_addr inet_addr;
415 /* first check to see if there's an ethernet port! */
416 monitor_printf ("ust\r");
417 resp_len = monitor_expect_prompt (buf, sizeof (buf));
418 if (!strchr (buf, ':'))
419 error (_("No ethernet connection!"));
423 /* scan second colon in the output from the "ust" command */
424 char *myIPaddress = strchr (strchr (buf, ':') + 1, ':') + 1;
426 while (isspace (*myIPaddress))
429 if (!strncmp (myIPaddress, "0.0.", 4)) /* empty */
431 ("Please use 'set board-address' to set the M32R-EVA board's IP address.");
432 if (strchr (myIPaddress, '('))
433 *(strchr (myIPaddress, '(')) = '\0'; /* delete trailing junk */
434 board_addr = xstrdup (myIPaddress);
436 if (server_addr == 0)
439 gethostname (buf, sizeof (buf));
442 hostent = gethostbyname (buf);
446 memcpy (&inet_addr.s_addr, hostent->h_addr,
447 sizeof (inet_addr.s_addr));
448 server_addr = (char *) inet_ntoa (inet_addr);
450 server_addr = (char *) inet_ntoa (hostent->h_addr);
454 if (server_addr == 0) /* failed? */
456 ("Need to know gdb host computer's IP address (use 'set server-address')");
459 if (args == 0 || args[0] == 0) /* no args: upload the current file */
460 args = get_exec_file (1);
462 if (args[0] != '/' && download_path == 0)
464 if (current_directory)
465 download_path = xstrdup (current_directory);
468 ("Need to know default download path (use 'set download-path')");
471 gettimeofday (&start_time, NULL);
472 monitor_printf ("uhip %s\r", server_addr);
473 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
474 monitor_printf ("ulip %s\r", board_addr);
475 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
477 monitor_printf ("up %s\r", download_path); /* use default path */
479 monitor_printf ("up\r"); /* rooted filename/path */
480 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
482 if (strrchr (args, '.') && !strcmp (strrchr (args, '.'), ".srec"))
483 monitor_printf ("ul %s\r", args);
484 else /* add ".srec" suffix */
485 monitor_printf ("ul %s.srec\r", args);
486 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
488 if (buf[0] == 0 || strstr (buf, "complete") == 0)
490 ("Upload file not found: %s.srec\nCheck IP addresses and download path.",
493 printf_filtered (" -- Ethernet load complete.\n");
495 gettimeofday (&end_time, NULL);
496 abfd = bfd_openr (args, 0);
498 { /* Download is done -- print section statistics */
499 if (bfd_check_format (abfd, bfd_object) == 0)
501 printf_filtered ("File is not an object file\n");
503 for (s = abfd->sections; s; s = s->next)
504 if (s->flags & SEC_LOAD)
506 bfd_size_type section_size = bfd_section_size (abfd, s);
507 bfd_vma section_base = bfd_section_lma (abfd, s);
510 data_count += section_size;
512 printf_filtered ("Loading section %s, size 0x%lx lma ",
513 bfd_section_name (abfd, s), section_size);
514 deprecated_print_address_numeric (section_base, 1, gdb_stdout);
515 printf_filtered ("\n");
516 gdb_flush (gdb_stdout);
518 /* Finally, make the PC point at the start address */
519 write_pc (bfd_get_start_address (abfd));
520 printf_filtered ("Start address 0x%lx\n", bfd_get_start_address (abfd));
521 print_transfer_performance (gdb_stdout, data_count, 0, &start_time,
524 inferior_ptid = null_ptid; /* No process now */
526 /* This is necessary because many things were based on the PC at the
527 time that we attached to the monitor, which is no longer valid
528 now that we have loaded new code (and just changed the PC).
529 Another way to do this might be to call normal_stop, except that
530 the stack may not be valid, and things would get horribly
533 clear_symtab_users ();
537 _initialize_m32r_rom (void)
539 /* Initialize m32r RevC monitor target */
541 init_monitor_ops (&m32r_ops);
543 m32r_ops.to_shortname = "m32r";
544 m32r_ops.to_longname = "m32r monitor";
545 m32r_ops.to_load = m32r_load_gen; /* monitor lacks a download command */
546 m32r_ops.to_doc = "Debug via the m32r monitor.\n\
547 Specify the serial device it is connected to (e.g. /dev/ttya).";
548 m32r_ops.to_open = m32r_open;
549 add_target (&m32r_ops);
551 /* Initialize mon2000 monitor target */
552 init_mon2000_cmds ();
553 init_monitor_ops (&mon2000_ops);
555 mon2000_ops.to_shortname = "mon2000";
556 mon2000_ops.to_longname = "Mon2000 monitor";
557 mon2000_ops.to_load = m32r_load_gen; /* monitor lacks a download command */
558 mon2000_ops.to_doc = "Debug via the Mon2000 monitor.\n\
559 Specify the serial device it is connected to (e.g. /dev/ttya).";
560 mon2000_ops.to_open = mon2000_open;
561 add_target (&mon2000_ops);
563 add_setshow_string_cmd ("download-path", class_obscure, &download_path, _("\
564 Set the default path for downloadable SREC files."), _("\
565 Show the default path for downloadable SREC files."), _("\
566 Determines the default path for downloadable SREC files."),
568 NULL, /* FIXME: i18n: The default path for downloadable SREC files is %s. */
569 &setlist, &showlist);
571 add_setshow_string_cmd ("board-address", class_obscure, &board_addr, _("\
572 Set IP address for M32R-EVA target board."), _("\
573 Show IP address for M32R-EVA target board."), _("\
574 Determine the IP address for M32R-EVA target board."),
576 NULL, /* FIXME: i18n: IP address for M32R-EVA target board is %s. */
577 &setlist, &showlist);
579 add_setshow_string_cmd ("server-address", class_obscure, &server_addr, _("\
580 Set IP address for download server (GDB's host computer)."), _("\
581 Show IP address for download server (GDB's host computer)."), _("\
582 Determine the IP address for download server (GDB's host computer)."),
584 NULL, /* FIXME: i18n: IP address for download server (GDB's host computer) is %s. */
585 &setlist, &showlist);
587 add_com ("upload", class_obscure, m32r_upload_command, _("\
588 Upload the srec file via the monitor's Ethernet upload capability."));
590 add_com ("tload", class_obscure, m32r_load, _("test upload command."));