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 3 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, see <http://www.gnu.org/licenses/>. */
24 /* This module defines communication with the Renesas m32r monitor */
29 #include "exceptions.h"
35 #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() */
45 * All this stuff just to get my host computer's IP address!
50 #include <sys/types.h>
51 #include <netdb.h> /* for hostent */
52 #include <netinet/in.h> /* for struct in_addr */
54 #include <arpa/inet.h> /* for inet_ntoa */
58 static char *board_addr; /* user-settable IP address for M32R-EVA */
59 static char *server_addr; /* user-settable IP address for gdb host */
60 static char *download_path; /* user-settable path for SREC files */
67 #define ACCL_REGNUM 22
68 #define ACCH_REGNUM 23
72 * Function: m32r_load_1 (helper function)
76 m32r_load_section (bfd *abfd, asection *s, void *obj)
78 unsigned int *data_count = obj;
79 if (s->flags & SEC_LOAD)
81 bfd_size_type section_size = bfd_section_size (abfd, s);
82 bfd_vma section_base = bfd_section_lma (abfd, s);
83 unsigned int buffer, i;
85 *data_count += section_size;
87 printf_filtered ("Loading section %s, size 0x%lx lma ",
88 bfd_section_name (abfd, s), section_size);
89 deprecated_print_address_numeric (section_base, 1, gdb_stdout);
90 printf_filtered ("\n");
91 gdb_flush (gdb_stdout);
92 monitor_printf ("%s mw\r", paddr_nz (section_base));
93 for (i = 0; i < section_size; i += 4)
96 monitor_expect (" -> ", NULL, 0);
97 bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
98 monitor_printf ("%x\n", buffer);
100 monitor_expect (" -> ", NULL, 0);
101 monitor_printf ("q\n");
102 monitor_expect_prompt (NULL, 0);
107 m32r_load_1 (void *dummy)
111 bfd_map_over_sections ((bfd *) dummy, m32r_load_section, &data_count);
116 * Function: m32r_load (an alternate way to load)
120 m32r_load (char *filename, int from_tty)
124 unsigned int i, data_count = 0;
125 struct timeval start_time, end_time;
127 if (filename == NULL || filename[0] == 0)
128 filename = get_exec_file (1);
130 abfd = bfd_openr (filename, 0);
132 error (_("Unable to open file %s."), filename);
133 if (bfd_check_format (abfd, bfd_object) == 0)
134 error (_("File is not an object file."));
135 gettimeofday (&start_time, NULL);
137 for (s = abfd->sections; s; s = s->next)
138 if (s->flags & SEC_LOAD)
140 bfd_size_type section_size = bfd_section_size (abfd, s);
141 bfd_vma section_base = bfd_section_vma (abfd, s);
144 data_count += section_size;
146 printf_filtered ("Loading section %s, size 0x%lx vma ",
147 bfd_section_name (abfd, s), section_size);
148 deprecated_print_address_numeric (section_base, 1, gdb_stdout);
149 printf_filtered ("\n");
150 gdb_flush (gdb_stdout);
151 monitor_printf ("%x mw\r", section_base);
152 for (i = 0; i < section_size; i += 4)
154 monitor_expect (" -> ", NULL, 0);
155 bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
156 monitor_printf ("%x\n", buffer);
158 monitor_expect (" -> ", NULL, 0);
159 monitor_printf ("q\n");
160 monitor_expect_prompt (NULL, 0);
163 if (!(catch_errors (m32r_load_1, abfd, "Load aborted!\n", RETURN_MASK_ALL)))
165 monitor_printf ("q\n");
169 gettimeofday (&end_time, NULL);
170 printf_filtered ("Start address 0x%lx\n", bfd_get_start_address (abfd));
171 print_transfer_performance (gdb_stdout, data_count, 0, &start_time,
174 /* Finally, make the PC point at the start address */
176 write_pc (bfd_get_start_address (exec_bfd));
178 inferior_ptid = null_ptid; /* No process now */
180 /* This is necessary because many things were based on the PC at the
181 time that we attached to the monitor, which is no longer valid
182 now that we have loaded new code (and just changed the PC).
183 Another way to do this might be to call normal_stop, except that
184 the stack may not be valid, and things would get horribly
187 clear_symtab_users ();
191 m32r_load_gen (char *filename, int from_tty)
193 generic_load (filename, from_tty);
196 static void m32r_open (char *args, int from_tty);
197 static void mon2000_open (char *args, int from_tty);
199 /* This array of registers needs to match the indexes used by GDB. The
200 whole reason this exists is because the various ROM monitors use
201 different names than GDB does, and don't support all the registers
202 either. So, typing "info reg sp" becomes an "A7". */
204 static char *m32r_regnames[] =
205 { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
206 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
207 "psw", "cbr", "spi", "spu", "bpc", "pc", "accl", "acch",
211 m32r_supply_register (struct regcache *regcache, char *regname,
212 int regnamelen, char *val, int vallen)
215 int num_regs = sizeof (m32r_regnames) / sizeof (m32r_regnames[0]);
216 struct gdbarch *gdbarch = get_regcache_arch (regcache);
218 for (regno = 0; regno < num_regs; regno++)
219 if (strncmp (regname, m32r_regnames[regno], regnamelen) == 0)
222 if (regno >= num_regs)
223 return; /* no match */
225 if (regno == ACCL_REGNUM)
226 { /* special handling for 64-bit acc reg */
227 monitor_supply_register (regcache, ACCH_REGNUM, val);
228 val = strchr (val, ':'); /* skip past ':' to get 2nd word */
230 monitor_supply_register (regcache, ACCL_REGNUM, val + 1);
234 monitor_supply_register (regcache, regno, val);
235 if (regno == PSW_REGNUM)
237 unsigned long psw = strtoul (val, NULL, 16);
238 char *zero = "00000000", *one = "00000001";
242 monitor_supply_register (regcache, SM_REGNUM, (psw & 0x80) ? one : zero);
245 /* Backup stack mode bit */
246 monitor_supply_register (regcache, BSM_REGNUM, (psw & 0x8000) ? one : zero);
249 /* Interrupt enable bit */
250 monitor_supply_register (regcache, IE_REGNUM, (psw & 0x40) ? one : zero);
253 /* Backup interrupt enable bit */
254 monitor_supply_register (regcache, BIE_REGNUM, (psw & 0x4000) ? one : zero);
257 /* Condition bit (carry etc.) */
258 monitor_supply_register (regcache, COND_REGNUM, (psw & 0x1) ? one : zero);
261 monitor_supply_register (regcache, CBR_REGNUM, (psw & 0x1) ? one : zero);
264 monitor_supply_register (regcache, BPC_REGNUM, zero); /* KLUDGE: (???????) */
267 monitor_supply_register (regcache, BCARRY_REGNUM, zero); /* KLUDGE: (??????) */
271 if (regno == SPI_REGNUM || regno == SPU_REGNUM)
272 { /* special handling for stack pointer (spu or spi) */
273 ULONGEST stackmode, psw;
274 regcache_cooked_read_unsigned (regcache, PSW_REGNUM, &psw);
275 stackmode = psw & 0x80;
277 if (regno == SPI_REGNUM && !stackmode) /* SP == SPI */
278 monitor_supply_register (regcache,
279 gdbarch_sp_regnum (gdbarch), val);
280 else if (regno == SPU_REGNUM && stackmode) /* SP == SPU */
281 monitor_supply_register (regcache,
282 gdbarch_sp_regnum (gdbarch), val);
287 /* m32r RevC board monitor */
289 static struct target_ops m32r_ops;
291 static char *m32r_inits[] = { "\r", NULL };
293 static struct monitor_ops m32r_cmds;
296 init_m32r_cmds (void)
298 m32r_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST;
299 m32r_cmds.init = m32r_inits; /* Init strings */
300 m32r_cmds.cont = "go\r"; /* continue command */
301 m32r_cmds.step = "step\r"; /* single step */
302 m32r_cmds.stop = NULL; /* interrupt command */
303 m32r_cmds.set_break = "%x +bp\r"; /* set a breakpoint */
304 m32r_cmds.clr_break = "%x -bp\r"; /* clear a breakpoint */
305 m32r_cmds.clr_all_break = "bpoff\r"; /* clear all breakpoints */
306 m32r_cmds.fill = "%x %x %x fill\r"; /* fill (start length val) */
307 m32r_cmds.setmem.cmdb = "%x 1 %x fill\r"; /* setmem.cmdb (addr, value) */
308 m32r_cmds.setmem.cmdw = "%x 1 %x fillh\r"; /* setmem.cmdw (addr, value) */
309 m32r_cmds.setmem.cmdl = "%x 1 %x fillw\r"; /* setmem.cmdl (addr, value) */
310 m32r_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
311 m32r_cmds.setmem.resp_delim = NULL; /* setmem.resp_delim */
312 m32r_cmds.setmem.term = NULL; /* setmem.term */
313 m32r_cmds.setmem.term_cmd = NULL; /* setmem.term_cmd */
314 m32r_cmds.getmem.cmdb = "%x %x dump\r"; /* getmem.cmdb (addr, len) */
315 m32r_cmds.getmem.cmdw = NULL; /* getmem.cmdw (addr, len) */
316 m32r_cmds.getmem.cmdl = NULL; /* getmem.cmdl (addr, len) */
317 m32r_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
318 m32r_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */
319 m32r_cmds.getmem.term = NULL; /* getmem.term */
320 m32r_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
321 m32r_cmds.setreg.cmd = "%x to %%%s\r"; /* setreg.cmd (name, value) */
322 m32r_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
323 m32r_cmds.setreg.term = NULL; /* setreg.term */
324 m32r_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
325 m32r_cmds.getreg.cmd = NULL; /* getreg.cmd (name) */
326 m32r_cmds.getreg.resp_delim = NULL; /* getreg.resp_delim */
327 m32r_cmds.getreg.term = NULL; /* getreg.term */
328 m32r_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */
329 m32r_cmds.dump_registers = ".reg\r"; /* dump_registers */
330 m32r_cmds.register_pattern = "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)"; /* register_pattern */
331 m32r_cmds.supply_register = m32r_supply_register;
332 m32r_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */
333 m32r_cmds.load = NULL; /* download command */
334 m32r_cmds.loadresp = NULL; /* load response */
335 m32r_cmds.prompt = "ok "; /* monitor command prompt */
336 m32r_cmds.line_term = "\r"; /* end-of-line terminator */
337 m32r_cmds.cmd_end = NULL; /* optional command terminator */
338 m32r_cmds.target = &m32r_ops; /* target operations */
339 m32r_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
340 m32r_cmds.regnames = m32r_regnames; /* registers names */
341 m32r_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
342 } /* init_m32r_cmds */
345 m32r_open (char *args, int from_tty)
347 monitor_open (args, &m32r_cmds, from_tty);
350 /* Mon2000 monitor (MSA2000 board) */
352 static struct target_ops mon2000_ops;
353 static struct monitor_ops mon2000_cmds;
356 init_mon2000_cmds (void)
358 mon2000_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST;
359 mon2000_cmds.init = m32r_inits; /* Init strings */
360 mon2000_cmds.cont = "go\r"; /* continue command */
361 mon2000_cmds.step = "step\r"; /* single step */
362 mon2000_cmds.stop = NULL; /* interrupt command */
363 mon2000_cmds.set_break = "%x +bp\r"; /* set a breakpoint */
364 mon2000_cmds.clr_break = "%x -bp\r"; /* clear a breakpoint */
365 mon2000_cmds.clr_all_break = "bpoff\r"; /* clear all breakpoints */
366 mon2000_cmds.fill = "%x %x %x fill\r"; /* fill (start length val) */
367 mon2000_cmds.setmem.cmdb = "%x 1 %x fill\r"; /* setmem.cmdb (addr, value) */
368 mon2000_cmds.setmem.cmdw = "%x 1 %x fillh\r"; /* setmem.cmdw (addr, value) */
369 mon2000_cmds.setmem.cmdl = "%x 1 %x fillw\r"; /* setmem.cmdl (addr, value) */
370 mon2000_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
371 mon2000_cmds.setmem.resp_delim = NULL; /* setmem.resp_delim */
372 mon2000_cmds.setmem.term = NULL; /* setmem.term */
373 mon2000_cmds.setmem.term_cmd = NULL; /* setmem.term_cmd */
374 mon2000_cmds.getmem.cmdb = "%x %x dump\r"; /* getmem.cmdb (addr, len) */
375 mon2000_cmds.getmem.cmdw = NULL; /* getmem.cmdw (addr, len) */
376 mon2000_cmds.getmem.cmdl = NULL; /* getmem.cmdl (addr, len) */
377 mon2000_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
378 mon2000_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */
379 mon2000_cmds.getmem.term = NULL; /* getmem.term */
380 mon2000_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
381 mon2000_cmds.setreg.cmd = "%x to %%%s\r"; /* setreg.cmd (name, value) */
382 mon2000_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
383 mon2000_cmds.setreg.term = NULL; /* setreg.term */
384 mon2000_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
385 mon2000_cmds.getreg.cmd = NULL; /* getreg.cmd (name) */
386 mon2000_cmds.getreg.resp_delim = NULL; /* getreg.resp_delim */
387 mon2000_cmds.getreg.term = NULL; /* getreg.term */
388 mon2000_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */
389 mon2000_cmds.dump_registers = ".reg\r"; /* dump_registers */
390 mon2000_cmds.register_pattern = "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)"; /* register_pattern */
391 mon2000_cmds.supply_register = m32r_supply_register;
392 mon2000_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */
393 mon2000_cmds.load = NULL; /* download command */
394 mon2000_cmds.loadresp = NULL; /* load response */
395 mon2000_cmds.prompt = "Mon2000>"; /* monitor command prompt */
396 mon2000_cmds.line_term = "\r"; /* end-of-line terminator */
397 mon2000_cmds.cmd_end = NULL; /* optional command terminator */
398 mon2000_cmds.target = &mon2000_ops; /* target operations */
399 mon2000_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
400 mon2000_cmds.regnames = m32r_regnames; /* registers names */
401 mon2000_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
402 } /* init_mon2000_cmds */
405 mon2000_open (char *args, int from_tty)
407 monitor_open (args, &mon2000_cmds, from_tty);
411 m32r_upload_command (char *args, int from_tty)
415 struct timeval start_time, end_time;
416 int resp_len, data_count = 0;
418 struct hostent *hostent;
419 struct in_addr inet_addr;
421 /* first check to see if there's an ethernet port! */
422 monitor_printf ("ust\r");
423 resp_len = monitor_expect_prompt (buf, sizeof (buf));
424 if (!strchr (buf, ':'))
425 error (_("No ethernet connection!"));
429 /* scan second colon in the output from the "ust" command */
430 char *myIPaddress = strchr (strchr (buf, ':') + 1, ':') + 1;
432 while (isspace (*myIPaddress))
435 if (!strncmp (myIPaddress, "0.0.", 4)) /* empty */
437 ("Please use 'set board-address' to set the M32R-EVA board's IP address.");
438 if (strchr (myIPaddress, '('))
439 *(strchr (myIPaddress, '(')) = '\0'; /* delete trailing junk */
440 board_addr = xstrdup (myIPaddress);
442 if (server_addr == 0)
446 /* Winsock initialization. */
447 if (WSAStartup (MAKEWORD (1, 1), &wd))
448 error (_("Couldn't initialize WINSOCK."));
452 gethostname (buf, sizeof (buf));
455 hostent = gethostbyname (buf);
459 memcpy (&inet_addr.s_addr, hostent->h_addr,
460 sizeof (inet_addr.s_addr));
461 server_addr = (char *) inet_ntoa (inet_addr);
463 server_addr = (char *) inet_ntoa (hostent->h_addr);
467 if (server_addr == 0) /* failed? */
469 ("Need to know gdb host computer's IP address (use 'set server-address')");
472 if (args == 0 || args[0] == 0) /* no args: upload the current file */
473 args = get_exec_file (1);
475 if (args[0] != '/' && download_path == 0)
477 if (current_directory)
478 download_path = xstrdup (current_directory);
481 ("Need to know default download path (use 'set download-path')");
484 gettimeofday (&start_time, NULL);
485 monitor_printf ("uhip %s\r", server_addr);
486 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
487 monitor_printf ("ulip %s\r", board_addr);
488 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
490 monitor_printf ("up %s\r", download_path); /* use default path */
492 monitor_printf ("up\r"); /* rooted filename/path */
493 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
495 if (strrchr (args, '.') && !strcmp (strrchr (args, '.'), ".srec"))
496 monitor_printf ("ul %s\r", args);
497 else /* add ".srec" suffix */
498 monitor_printf ("ul %s.srec\r", args);
499 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
501 if (buf[0] == 0 || strstr (buf, "complete") == 0)
503 ("Upload file not found: %s.srec\nCheck IP addresses and download path.",
506 printf_filtered (" -- Ethernet load complete.\n");
508 gettimeofday (&end_time, NULL);
509 abfd = bfd_openr (args, 0);
511 { /* Download is done -- print section statistics */
512 if (bfd_check_format (abfd, bfd_object) == 0)
514 printf_filtered ("File is not an object file\n");
516 for (s = abfd->sections; s; s = s->next)
517 if (s->flags & SEC_LOAD)
519 bfd_size_type section_size = bfd_section_size (abfd, s);
520 bfd_vma section_base = bfd_section_lma (abfd, s);
523 data_count += section_size;
525 printf_filtered ("Loading section %s, size 0x%lx lma ",
526 bfd_section_name (abfd, s), section_size);
527 deprecated_print_address_numeric (section_base, 1, gdb_stdout);
528 printf_filtered ("\n");
529 gdb_flush (gdb_stdout);
531 /* Finally, make the PC point at the start address */
532 write_pc (bfd_get_start_address (abfd));
533 printf_filtered ("Start address 0x%lx\n", bfd_get_start_address (abfd));
534 print_transfer_performance (gdb_stdout, data_count, 0, &start_time,
537 inferior_ptid = null_ptid; /* No process now */
539 /* This is necessary because many things were based on the PC at the
540 time that we attached to the monitor, which is no longer valid
541 now that we have loaded new code (and just changed the PC).
542 Another way to do this might be to call normal_stop, except that
543 the stack may not be valid, and things would get horribly
546 clear_symtab_users ();
550 _initialize_m32r_rom (void)
552 /* Initialize m32r RevC monitor target */
554 init_monitor_ops (&m32r_ops);
556 m32r_ops.to_shortname = "m32r";
557 m32r_ops.to_longname = "m32r monitor";
558 m32r_ops.to_load = m32r_load_gen; /* monitor lacks a download command */
559 m32r_ops.to_doc = "Debug via the m32r monitor.\n\
560 Specify the serial device it is connected to (e.g. /dev/ttya).";
561 m32r_ops.to_open = m32r_open;
562 add_target (&m32r_ops);
564 /* Initialize mon2000 monitor target */
565 init_mon2000_cmds ();
566 init_monitor_ops (&mon2000_ops);
568 mon2000_ops.to_shortname = "mon2000";
569 mon2000_ops.to_longname = "Mon2000 monitor";
570 mon2000_ops.to_load = m32r_load_gen; /* monitor lacks a download command */
571 mon2000_ops.to_doc = "Debug via the Mon2000 monitor.\n\
572 Specify the serial device it is connected to (e.g. /dev/ttya).";
573 mon2000_ops.to_open = mon2000_open;
574 add_target (&mon2000_ops);
576 add_setshow_string_cmd ("download-path", class_obscure, &download_path, _("\
577 Set the default path for downloadable SREC files."), _("\
578 Show the default path for downloadable SREC files."), _("\
579 Determines the default path for downloadable SREC files."),
581 NULL, /* FIXME: i18n: The default path for downloadable SREC files is %s. */
582 &setlist, &showlist);
584 add_setshow_string_cmd ("board-address", class_obscure, &board_addr, _("\
585 Set IP address for M32R-EVA target board."), _("\
586 Show IP address for M32R-EVA target board."), _("\
587 Determine the IP address for M32R-EVA target board."),
589 NULL, /* FIXME: i18n: IP address for M32R-EVA target board is %s. */
590 &setlist, &showlist);
592 add_setshow_string_cmd ("server-address", class_obscure, &server_addr, _("\
593 Set IP address for download server (GDB's host computer)."), _("\
594 Show IP address for download server (GDB's host computer)."), _("\
595 Determine the IP address for download server (GDB's host computer)."),
597 NULL, /* FIXME: i18n: IP address for download server (GDB's host computer) is %s. */
598 &setlist, &showlist);
600 add_com ("upload", class_obscure, m32r_upload_command, _("\
601 Upload the srec file via the monitor's Ethernet upload capability."));
603 add_com ("tload", class_obscure, m32r_load, _("test upload command."));