1 /* Remote debugging interface to m32r and mon2000 ROM monitors for GDB,
4 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2004, 2005, 2007
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!
52 #include <sys/types.h>
53 #include <netdb.h> /* for hostent */
54 #include <netinet/in.h> /* for struct in_addr */
56 #include <arpa/inet.h> /* for inet_ntoa */
60 static char *board_addr; /* user-settable IP address for M32R-EVA */
61 static char *server_addr; /* user-settable IP address for gdb host */
62 static char *download_path; /* user-settable path for SREC files */
69 #define ACCL_REGNUM 22
70 #define ACCH_REGNUM 23
74 * Function: m32r_load_1 (helper function)
78 m32r_load_section (bfd *abfd, asection *s, void *obj)
80 unsigned int *data_count = obj;
81 if (s->flags & SEC_LOAD)
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), section_size);
91 deprecated_print_address_numeric (section_base, 1, gdb_stdout);
92 printf_filtered ("\n");
93 gdb_flush (gdb_stdout);
94 monitor_printf ("%s mw\r", paddr_nz (section_base));
95 for (i = 0; i < section_size; i += 4)
98 monitor_expect (" -> ", NULL, 0);
99 bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
100 monitor_printf ("%x\n", buffer);
102 monitor_expect (" -> ", NULL, 0);
103 monitor_printf ("q\n");
104 monitor_expect_prompt (NULL, 0);
109 m32r_load_1 (void *dummy)
113 bfd_map_over_sections ((bfd *) dummy, m32r_load_section, &data_count);
118 * Function: m32r_load (an alternate way to load)
122 m32r_load (char *filename, int from_tty)
126 unsigned int i, data_count = 0;
127 struct timeval start_time, end_time;
129 if (filename == NULL || filename[0] == 0)
130 filename = get_exec_file (1);
132 abfd = bfd_openr (filename, 0);
134 error (_("Unable to open file %s."), filename);
135 if (bfd_check_format (abfd, bfd_object) == 0)
136 error (_("File is not an object file."));
137 gettimeofday (&start_time, NULL);
139 for (s = abfd->sections; s; s = s->next)
140 if (s->flags & SEC_LOAD)
142 bfd_size_type section_size = bfd_section_size (abfd, s);
143 bfd_vma section_base = bfd_section_vma (abfd, s);
146 data_count += section_size;
148 printf_filtered ("Loading section %s, size 0x%lx vma ",
149 bfd_section_name (abfd, s), section_size);
150 deprecated_print_address_numeric (section_base, 1, gdb_stdout);
151 printf_filtered ("\n");
152 gdb_flush (gdb_stdout);
153 monitor_printf ("%x mw\r", section_base);
154 for (i = 0; i < section_size; i += 4)
156 monitor_expect (" -> ", NULL, 0);
157 bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
158 monitor_printf ("%x\n", buffer);
160 monitor_expect (" -> ", NULL, 0);
161 monitor_printf ("q\n");
162 monitor_expect_prompt (NULL, 0);
165 if (!(catch_errors (m32r_load_1, abfd, "Load aborted!\n", RETURN_MASK_ALL)))
167 monitor_printf ("q\n");
171 gettimeofday (&end_time, NULL);
172 printf_filtered ("Start address 0x%lx\n", bfd_get_start_address (abfd));
173 print_transfer_performance (gdb_stdout, data_count, 0, &start_time,
176 /* Finally, make the PC point at the start address */
178 write_pc (bfd_get_start_address (exec_bfd));
180 inferior_ptid = null_ptid; /* No process now */
182 /* This is necessary because many things were based on the PC at the
183 time that we attached to the monitor, which is no longer valid
184 now that we have loaded new code (and just changed the PC).
185 Another way to do this might be to call normal_stop, except that
186 the stack may not be valid, and things would get horribly
189 clear_symtab_users ();
193 m32r_load_gen (char *filename, int from_tty)
195 generic_load (filename, from_tty);
198 static void m32r_open (char *args, int from_tty);
199 static void mon2000_open (char *args, int from_tty);
201 /* This array of registers needs to match the indexes used by GDB. The
202 whole reason this exists is because the various ROM monitors use
203 different names than GDB does, and don't support all the registers
204 either. So, typing "info reg sp" becomes an "A7". */
206 static char *m32r_regnames[] =
207 { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
208 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
209 "psw", "cbr", "spi", "spu", "bpc", "pc", "accl", "acch",
213 m32r_supply_register (struct regcache *regcache, char *regname,
214 int regnamelen, char *val, int vallen)
217 int num_regs = sizeof (m32r_regnames) / sizeof (m32r_regnames[0]);
219 for (regno = 0; regno < num_regs; regno++)
220 if (strncmp (regname, m32r_regnames[regno], regnamelen) == 0)
223 if (regno >= num_regs)
224 return; /* no match */
226 if (regno == ACCL_REGNUM)
227 { /* special handling for 64-bit acc reg */
228 monitor_supply_register (regcache, ACCH_REGNUM, val);
229 val = strchr (val, ':'); /* skip past ':' to get 2nd word */
231 monitor_supply_register (regcache, ACCL_REGNUM, val + 1);
235 monitor_supply_register (regcache, regno, val);
236 if (regno == PSW_REGNUM)
238 unsigned long psw = strtoul (val, NULL, 16);
239 char *zero = "00000000", *one = "00000001";
243 monitor_supply_register (regcache, SM_REGNUM, (psw & 0x80) ? one : zero);
246 /* Backup stack mode bit */
247 monitor_supply_register (regcache, BSM_REGNUM, (psw & 0x8000) ? one : zero);
250 /* Interrupt enable bit */
251 monitor_supply_register (regcache, IE_REGNUM, (psw & 0x40) ? one : zero);
254 /* Backup interrupt enable bit */
255 monitor_supply_register (regcache, BIE_REGNUM, (psw & 0x4000) ? one : zero);
258 /* Condition bit (carry etc.) */
259 monitor_supply_register (regcache, COND_REGNUM, (psw & 0x1) ? one : zero);
262 monitor_supply_register (regcache, CBR_REGNUM, (psw & 0x1) ? one : zero);
265 monitor_supply_register (regcache, BPC_REGNUM, zero); /* KLUDGE: (???????) */
268 monitor_supply_register (regcache, BCARRY_REGNUM, zero); /* KLUDGE: (??????) */
272 if (regno == SPI_REGNUM || regno == SPU_REGNUM)
273 { /* special handling for stack pointer (spu or spi) */
274 ULONGEST stackmode, psw;
275 regcache_cooked_read_unsigned (regcache, PSW_REGNUM, &psw);
276 stackmode = psw & 0x80;
278 if (regno == SPI_REGNUM && !stackmode) /* SP == SPI */
279 monitor_supply_register (regcache,
280 gdbarch_sp_regnum (current_gdbarch), val);
281 else if (regno == SPU_REGNUM && stackmode) /* SP == SPU */
282 monitor_supply_register (regcache,
283 gdbarch_sp_regnum (current_gdbarch), val);
288 /* m32r RevC board monitor */
290 static struct target_ops m32r_ops;
292 static char *m32r_inits[] = { "\r", NULL };
294 static struct monitor_ops m32r_cmds;
297 init_m32r_cmds (void)
299 m32r_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST;
300 m32r_cmds.init = m32r_inits; /* Init strings */
301 m32r_cmds.cont = "go\r"; /* continue command */
302 m32r_cmds.step = "step\r"; /* single step */
303 m32r_cmds.stop = NULL; /* interrupt command */
304 m32r_cmds.set_break = "%x +bp\r"; /* set a breakpoint */
305 m32r_cmds.clr_break = "%x -bp\r"; /* clear a breakpoint */
306 m32r_cmds.clr_all_break = "bpoff\r"; /* clear all breakpoints */
307 m32r_cmds.fill = "%x %x %x fill\r"; /* fill (start length val) */
308 m32r_cmds.setmem.cmdb = "%x 1 %x fill\r"; /* setmem.cmdb (addr, value) */
309 m32r_cmds.setmem.cmdw = "%x 1 %x fillh\r"; /* setmem.cmdw (addr, value) */
310 m32r_cmds.setmem.cmdl = "%x 1 %x fillw\r"; /* setmem.cmdl (addr, value) */
311 m32r_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
312 m32r_cmds.setmem.resp_delim = NULL; /* setmem.resp_delim */
313 m32r_cmds.setmem.term = NULL; /* setmem.term */
314 m32r_cmds.setmem.term_cmd = NULL; /* setmem.term_cmd */
315 m32r_cmds.getmem.cmdb = "%x %x dump\r"; /* getmem.cmdb (addr, len) */
316 m32r_cmds.getmem.cmdw = NULL; /* getmem.cmdw (addr, len) */
317 m32r_cmds.getmem.cmdl = NULL; /* getmem.cmdl (addr, len) */
318 m32r_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
319 m32r_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */
320 m32r_cmds.getmem.term = NULL; /* getmem.term */
321 m32r_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
322 m32r_cmds.setreg.cmd = "%x to %%%s\r"; /* setreg.cmd (name, value) */
323 m32r_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
324 m32r_cmds.setreg.term = NULL; /* setreg.term */
325 m32r_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
326 m32r_cmds.getreg.cmd = NULL; /* getreg.cmd (name) */
327 m32r_cmds.getreg.resp_delim = NULL; /* getreg.resp_delim */
328 m32r_cmds.getreg.term = NULL; /* getreg.term */
329 m32r_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */
330 m32r_cmds.dump_registers = ".reg\r"; /* dump_registers */
331 m32r_cmds.register_pattern = "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)"; /* register_pattern */
332 m32r_cmds.supply_register = m32r_supply_register;
333 m32r_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */
334 m32r_cmds.load = NULL; /* download command */
335 m32r_cmds.loadresp = NULL; /* load response */
336 m32r_cmds.prompt = "ok "; /* monitor command prompt */
337 m32r_cmds.line_term = "\r"; /* end-of-line terminator */
338 m32r_cmds.cmd_end = NULL; /* optional command terminator */
339 m32r_cmds.target = &m32r_ops; /* target operations */
340 m32r_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
341 m32r_cmds.regnames = m32r_regnames; /* registers names */
342 m32r_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
343 } /* init_m32r_cmds */
346 m32r_open (char *args, int from_tty)
348 monitor_open (args, &m32r_cmds, from_tty);
351 /* Mon2000 monitor (MSA2000 board) */
353 static struct target_ops mon2000_ops;
354 static struct monitor_ops mon2000_cmds;
357 init_mon2000_cmds (void)
359 mon2000_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST;
360 mon2000_cmds.init = m32r_inits; /* Init strings */
361 mon2000_cmds.cont = "go\r"; /* continue command */
362 mon2000_cmds.step = "step\r"; /* single step */
363 mon2000_cmds.stop = NULL; /* interrupt command */
364 mon2000_cmds.set_break = "%x +bp\r"; /* set a breakpoint */
365 mon2000_cmds.clr_break = "%x -bp\r"; /* clear a breakpoint */
366 mon2000_cmds.clr_all_break = "bpoff\r"; /* clear all breakpoints */
367 mon2000_cmds.fill = "%x %x %x fill\r"; /* fill (start length val) */
368 mon2000_cmds.setmem.cmdb = "%x 1 %x fill\r"; /* setmem.cmdb (addr, value) */
369 mon2000_cmds.setmem.cmdw = "%x 1 %x fillh\r"; /* setmem.cmdw (addr, value) */
370 mon2000_cmds.setmem.cmdl = "%x 1 %x fillw\r"; /* setmem.cmdl (addr, value) */
371 mon2000_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
372 mon2000_cmds.setmem.resp_delim = NULL; /* setmem.resp_delim */
373 mon2000_cmds.setmem.term = NULL; /* setmem.term */
374 mon2000_cmds.setmem.term_cmd = NULL; /* setmem.term_cmd */
375 mon2000_cmds.getmem.cmdb = "%x %x dump\r"; /* getmem.cmdb (addr, len) */
376 mon2000_cmds.getmem.cmdw = NULL; /* getmem.cmdw (addr, len) */
377 mon2000_cmds.getmem.cmdl = NULL; /* getmem.cmdl (addr, len) */
378 mon2000_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
379 mon2000_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */
380 mon2000_cmds.getmem.term = NULL; /* getmem.term */
381 mon2000_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
382 mon2000_cmds.setreg.cmd = "%x to %%%s\r"; /* setreg.cmd (name, value) */
383 mon2000_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
384 mon2000_cmds.setreg.term = NULL; /* setreg.term */
385 mon2000_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
386 mon2000_cmds.getreg.cmd = NULL; /* getreg.cmd (name) */
387 mon2000_cmds.getreg.resp_delim = NULL; /* getreg.resp_delim */
388 mon2000_cmds.getreg.term = NULL; /* getreg.term */
389 mon2000_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */
390 mon2000_cmds.dump_registers = ".reg\r"; /* dump_registers */
391 mon2000_cmds.register_pattern = "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)"; /* register_pattern */
392 mon2000_cmds.supply_register = m32r_supply_register;
393 mon2000_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */
394 mon2000_cmds.load = NULL; /* download command */
395 mon2000_cmds.loadresp = NULL; /* load response */
396 mon2000_cmds.prompt = "Mon2000>"; /* monitor command prompt */
397 mon2000_cmds.line_term = "\r"; /* end-of-line terminator */
398 mon2000_cmds.cmd_end = NULL; /* optional command terminator */
399 mon2000_cmds.target = &mon2000_ops; /* target operations */
400 mon2000_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
401 mon2000_cmds.regnames = m32r_regnames; /* registers names */
402 mon2000_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
403 } /* init_mon2000_cmds */
406 mon2000_open (char *args, int from_tty)
408 monitor_open (args, &mon2000_cmds, from_tty);
412 m32r_upload_command (char *args, int from_tty)
416 struct timeval start_time, end_time;
417 int resp_len, data_count = 0;
419 struct hostent *hostent;
420 struct in_addr inet_addr;
422 /* first check to see if there's an ethernet port! */
423 monitor_printf ("ust\r");
424 resp_len = monitor_expect_prompt (buf, sizeof (buf));
425 if (!strchr (buf, ':'))
426 error (_("No ethernet connection!"));
430 /* scan second colon in the output from the "ust" command */
431 char *myIPaddress = strchr (strchr (buf, ':') + 1, ':') + 1;
433 while (isspace (*myIPaddress))
436 if (!strncmp (myIPaddress, "0.0.", 4)) /* empty */
438 ("Please use 'set board-address' to set the M32R-EVA board's IP address.");
439 if (strchr (myIPaddress, '('))
440 *(strchr (myIPaddress, '(')) = '\0'; /* delete trailing junk */
441 board_addr = xstrdup (myIPaddress);
443 if (server_addr == 0)
447 /* Winsock initialization. */
448 if (WSAStartup (MAKEWORD (1, 1), &wd))
449 error (_("Couldn't initialize WINSOCK."));
453 gethostname (buf, sizeof (buf));
456 hostent = gethostbyname (buf);
460 memcpy (&inet_addr.s_addr, hostent->h_addr,
461 sizeof (inet_addr.s_addr));
462 server_addr = (char *) inet_ntoa (inet_addr);
464 server_addr = (char *) inet_ntoa (hostent->h_addr);
468 if (server_addr == 0) /* failed? */
470 ("Need to know gdb host computer's IP address (use 'set server-address')");
473 if (args == 0 || args[0] == 0) /* no args: upload the current file */
474 args = get_exec_file (1);
476 if (args[0] != '/' && download_path == 0)
478 if (current_directory)
479 download_path = xstrdup (current_directory);
482 ("Need to know default download path (use 'set download-path')");
485 gettimeofday (&start_time, NULL);
486 monitor_printf ("uhip %s\r", server_addr);
487 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
488 monitor_printf ("ulip %s\r", board_addr);
489 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
491 monitor_printf ("up %s\r", download_path); /* use default path */
493 monitor_printf ("up\r"); /* rooted filename/path */
494 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
496 if (strrchr (args, '.') && !strcmp (strrchr (args, '.'), ".srec"))
497 monitor_printf ("ul %s\r", args);
498 else /* add ".srec" suffix */
499 monitor_printf ("ul %s.srec\r", args);
500 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
502 if (buf[0] == 0 || strstr (buf, "complete") == 0)
504 ("Upload file not found: %s.srec\nCheck IP addresses and download path.",
507 printf_filtered (" -- Ethernet load complete.\n");
509 gettimeofday (&end_time, NULL);
510 abfd = bfd_openr (args, 0);
512 { /* Download is done -- print section statistics */
513 if (bfd_check_format (abfd, bfd_object) == 0)
515 printf_filtered ("File is not an object file\n");
517 for (s = abfd->sections; s; s = s->next)
518 if (s->flags & SEC_LOAD)
520 bfd_size_type section_size = bfd_section_size (abfd, s);
521 bfd_vma section_base = bfd_section_lma (abfd, s);
524 data_count += section_size;
526 printf_filtered ("Loading section %s, size 0x%lx lma ",
527 bfd_section_name (abfd, s), section_size);
528 deprecated_print_address_numeric (section_base, 1, gdb_stdout);
529 printf_filtered ("\n");
530 gdb_flush (gdb_stdout);
532 /* Finally, make the PC point at the start address */
533 write_pc (bfd_get_start_address (abfd));
534 printf_filtered ("Start address 0x%lx\n", bfd_get_start_address (abfd));
535 print_transfer_performance (gdb_stdout, data_count, 0, &start_time,
538 inferior_ptid = null_ptid; /* No process now */
540 /* This is necessary because many things were based on the PC at the
541 time that we attached to the monitor, which is no longer valid
542 now that we have loaded new code (and just changed the PC).
543 Another way to do this might be to call normal_stop, except that
544 the stack may not be valid, and things would get horribly
547 clear_symtab_users ();
551 _initialize_m32r_rom (void)
553 /* Initialize m32r RevC monitor target */
555 init_monitor_ops (&m32r_ops);
557 m32r_ops.to_shortname = "m32r";
558 m32r_ops.to_longname = "m32r monitor";
559 m32r_ops.to_load = m32r_load_gen; /* monitor lacks a download command */
560 m32r_ops.to_doc = "Debug via the m32r monitor.\n\
561 Specify the serial device it is connected to (e.g. /dev/ttya).";
562 m32r_ops.to_open = m32r_open;
563 add_target (&m32r_ops);
565 /* Initialize mon2000 monitor target */
566 init_mon2000_cmds ();
567 init_monitor_ops (&mon2000_ops);
569 mon2000_ops.to_shortname = "mon2000";
570 mon2000_ops.to_longname = "Mon2000 monitor";
571 mon2000_ops.to_load = m32r_load_gen; /* monitor lacks a download command */
572 mon2000_ops.to_doc = "Debug via the Mon2000 monitor.\n\
573 Specify the serial device it is connected to (e.g. /dev/ttya).";
574 mon2000_ops.to_open = mon2000_open;
575 add_target (&mon2000_ops);
577 add_setshow_string_cmd ("download-path", class_obscure, &download_path, _("\
578 Set the default path for downloadable SREC files."), _("\
579 Show the default path for downloadable SREC files."), _("\
580 Determines the default path for downloadable SREC files."),
582 NULL, /* FIXME: i18n: The default path for downloadable SREC files is %s. */
583 &setlist, &showlist);
585 add_setshow_string_cmd ("board-address", class_obscure, &board_addr, _("\
586 Set IP address for M32R-EVA target board."), _("\
587 Show IP address for M32R-EVA target board."), _("\
588 Determine the IP address for M32R-EVA target board."),
590 NULL, /* FIXME: i18n: IP address for M32R-EVA target board is %s. */
591 &setlist, &showlist);
593 add_setshow_string_cmd ("server-address", class_obscure, &server_addr, _("\
594 Set IP address for download server (GDB's host computer)."), _("\
595 Show IP address for download server (GDB's host computer)."), _("\
596 Determine the IP address for download server (GDB's host computer)."),
598 NULL, /* FIXME: i18n: IP address for download server (GDB's host computer) is %s. */
599 &setlist, &showlist);
601 add_com ("upload", class_obscure, m32r_upload_command, _("\
602 Upload the srec file via the monitor's Ethernet upload capability."));
604 add_com ("tload", class_obscure, m32r_load, _("test upload command."));