1 /* Remote debugging interface to m32r and mon2000 ROM monitors for GDB,
3 Copyright 1996 Free Software Foundation, Inc.
5 Adapted by Michael Snyder of Cygnus Support.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
23 /* This module defines communication with the Mitsubishi m32r monitor */
33 #include "symfile.h" /* for generic load */
34 #include <time.h> /* for time_t */
35 #include "gdb_string.h"
36 #include "objfiles.h" /* for ALL_OBJFILES etc. */
39 extern void report_transfer_performance PARAMS ((unsigned long, time_t, time_t));
43 * All this stuff just to get my host computer's IP address!
45 #include <sys/types.h>
46 #include <netdb.h> /* for hostent */
47 #include <netinet/in.h> /* for struct in_addr */
49 #include <arpa/inet.h> /* for inet_ntoa */
53 static char *board_addr; /* user-settable IP address for M32R-EVA */
54 static char *server_addr; /* user-settable IP address for gdb host */
55 static char *download_path; /* user-settable path for SREC files */
59 * Function: m32r_load_1 (helper function)
63 m32r_load_section (abfd, s, data_count)
66 unsigned int *data_count;
68 if (s->flags & SEC_LOAD)
70 bfd_size_type section_size = bfd_section_size (abfd, s);
71 bfd_vma section_base = bfd_section_lma (abfd, s);
72 unsigned int buffer, i;
74 *data_count += section_size;
76 printf_filtered ("Loading section %s, size 0x%lx lma ",
77 bfd_section_name (abfd, s), section_size);
78 print_address_numeric (section_base, 1, gdb_stdout);
79 printf_filtered ("\n");
80 gdb_flush (gdb_stdout);
81 monitor_printf ("%x mw\r" , section_base);
82 for (i = 0; i < section_size; i += 4)
85 monitor_expect (" -> ", NULL, 0);
86 bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
87 monitor_printf ("%x\n", buffer);
89 monitor_expect (" -> ", NULL, 0);
90 monitor_printf ("q\n");
91 monitor_expect_prompt (NULL, 0);
101 bfd_map_over_sections ((bfd *) dummy, m32r_load_section, &data_count);
106 * Function: m32r_load (an alternate way to load)
110 m32r_load (filename, from_tty)
114 extern int inferior_pid;
117 unsigned int i, data_count = 0;
118 time_t start_time, end_time; /* for timing of download */
120 if (filename == NULL || filename[0] == 0)
121 filename = get_exec_file (1);
123 abfd = bfd_openr (filename, 0);
125 error ("Unable to open file %s\n", filename);
126 if (bfd_check_format (abfd, bfd_object) == 0)
127 error ("File is not an object file\n");
128 start_time = time (NULL);
130 for (s = abfd->sections; s; s = s->next)
131 if (s->flags & SEC_LOAD)
133 bfd_size_type section_size = bfd_section_size (abfd, s);
134 bfd_vma section_base = bfd_section_vma (abfd, s);
137 data_count += section_size;
139 printf_filtered ("Loading section %s, size 0x%lx vma ",
140 bfd_section_name (abfd, s), section_size);
141 print_address_numeric (section_base, 1, gdb_stdout);
142 printf_filtered ("\n");
143 gdb_flush (gdb_stdout);
144 monitor_printf ("%x mw\r" , section_base);
145 for (i = 0; i < section_size; i += 4)
147 monitor_expect (" -> ", NULL, 0);
148 bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
149 monitor_printf ("%x\n", buffer);
151 monitor_expect (" -> ", NULL, 0);
152 monitor_printf ("q\n");
153 monitor_expect_prompt (NULL, 0);
156 if (!(catch_errors (m32r_load_1, abfd, "Load aborted!\n", RETURN_MASK_ALL)))
158 monitor_printf ("q\n");
162 end_time = time (NULL);
163 printf_filtered ("Start address 0x%lx\n", bfd_get_start_address (abfd));
164 report_transfer_performance (data_count, start_time, end_time);
166 /* Finally, make the PC point at the start address */
168 write_pc (bfd_get_start_address (exec_bfd));
170 inferior_pid = 0; /* No process now */
172 /* This is necessary because many things were based on the PC at the
173 time that we attached to the monitor, which is no longer valid
174 now that we have loaded new code (and just changed the PC).
175 Another way to do this might be to call normal_stop, except that
176 the stack may not be valid, and things would get horribly
179 clear_symtab_users ();
183 m32r_load_gen (filename, from_tty)
187 generic_load (filename, from_tty);
190 static void m32r_open PARAMS ((char *args, int from_tty));
191 static void mon2000_open PARAMS ((char *args, int from_tty));
193 /* This array of registers needs to match the indexes used by GDB. The
194 whole reason this exists is because the various ROM monitors use
195 different names than GDB does, and don't support all the registers
196 either. So, typing "info reg sp" becomes an "A7". */
198 static char *m32r_regnames[] =
199 { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
200 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
201 "psw", "cbr", "spi", "spu", "bpc", "pc", "accl", "acch",
205 m32r_supply_register (regname, regnamelen, val, 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 unsigned long stackmode = read_register (PSW_REGNUM) & 0x80;
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);
279 /* m32r RevC board monitor */
281 static struct target_ops m32r_ops;
283 static char *m32r_inits[] = {"\r", NULL};
285 static struct monitor_ops m32r_cmds ;
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; /* 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 */
337 m32r_open(args, 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; /* 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(args, from_tty)
403 monitor_open (args, &mon2000_cmds, from_tty);
408 /* Function: set_board_address
409 Tell the BootOne monitor what it's ethernet IP address is. */
412 m32r_set_board_address (args, from_tty)
421 monitor_printf ("ulip %s\n", args);
422 resp_len = monitor_expect_prompt (buf, sizeof(buf));
423 /* now parse the result for success */
426 error ("Requires argument (IP address for M32R-EVA board)");
429 /* Function: set_server_address
430 Tell the BootOne monitor what gdb's ethernet IP address is. */
433 m32r_set_server_address (args, from_tty)
442 monitor_printf ("uhip %s\n", args);
443 resp_len = monitor_expect_prompt (buf, sizeof(buf));
444 /* now parse the result for success */
447 error ("Requires argument (IP address of GDB's host computer)");
450 /* Function: set_download_path
451 Tell the BootOne monitor the default path for downloadable SREC files. */
454 m32r_set_download_path (args, from_tty)
463 monitor_printf ("up %s\n", args);
464 resp_len = monitor_expect_prompt (buf, sizeof(buf));
465 /* now parse the result for success */
468 error ("Requires argument (default path for downloadable SREC files)");
472 m32r_upload_command (args, from_tty)
478 time_t start_time, end_time; /* for timing of download */
479 extern int inferior_pid;
480 int resp_len, data_count = 0;
482 struct hostent *hostent;
483 struct in_addr inet_addr;
485 /* first check to see if there's an ethernet port! */
486 monitor_printf ("ust\r");
487 resp_len = monitor_expect_prompt (buf, sizeof(buf));
488 if (!strchr (buf, ':'))
489 error ("No ethernet connection!");
493 /* scan second colon in the output from the "ust" command */
494 char * myIPaddress = strchr (strchr (buf, ':') + 1, ':') + 1;
496 while (isspace(*myIPaddress))
499 if (!strncmp (myIPaddress, "0.0.", 4)) /* empty */
500 error ("Please use 'set board-address' to set the M32R-EVA board's IP address.");
501 if (strchr (myIPaddress, '('))
502 *(strchr (myIPaddress, '(')) = '\0'; /* delete trailing junk */
503 board_addr = strsave (myIPaddress);
505 if (server_addr == 0)
508 gethostname (buf, sizeof(buf));
510 hostent = gethostbyname (buf);
514 memcpy (&inet_addr.s_addr, hostent->h_addr,
515 sizeof(inet_addr.s_addr));
516 server_addr = (char *) inet_ntoa (inet_addr);
518 server_addr = (char *) inet_ntoa (hostent->h_addr);
521 if (server_addr == 0) /* failed? */
522 error ("Need to know gdb host computer's IP address (use 'set server-address')");
525 if (args == 0 || args[0] == 0) /* no args: upload the current file */
526 args = get_exec_file (1);
528 if (args[0] != '/' && download_path == 0)
530 if (current_directory)
531 download_path = strsave (current_directory);
533 error ("Need to know default download path (use 'set download-path')");
536 start_time = time (NULL);
537 monitor_printf ("uhip %s\r", server_addr);
538 resp_len = monitor_expect_prompt (buf, sizeof(buf)); /* parse result? */
539 monitor_printf ("ulip %s\r", board_addr);
540 resp_len = monitor_expect_prompt (buf, sizeof(buf)); /* parse result? */
542 monitor_printf ("up %s\r", download_path); /* use default path */
544 monitor_printf ("up\r"); /* rooted filename/path */
545 resp_len = monitor_expect_prompt (buf, sizeof(buf)); /* parse result? */
547 if (strrchr (args, '.') && !strcmp (strrchr (args, '.'), ".srec"))
548 monitor_printf ("ul %s\r", args);
549 else /* add ".srec" suffix */
550 monitor_printf ("ul %s.srec\r", args);
551 resp_len = monitor_expect_prompt (buf, sizeof(buf)); /* parse result? */
553 if (buf[0] == 0 || strstr(buf, "complete") == 0)
554 error("Upload file not found: %s.srec\nCheck IP addresses and download path.", args);
556 printf_filtered (" -- Ethernet load complete.\n");
558 end_time = time (NULL);
559 abfd = bfd_openr (args, 0);
561 { /* Download is done -- print section statistics */
562 if (bfd_check_format (abfd, bfd_object) == 0)
564 printf_filtered ("File is not an object file\n");
566 for (s = abfd->sections; s; s = s->next)
567 if (s->flags & SEC_LOAD)
569 bfd_size_type section_size = bfd_section_size (abfd, s);
570 bfd_vma section_base = bfd_section_lma (abfd, s);
573 data_count += section_size;
575 printf_filtered ("Loading section %s, size 0x%lx lma ",
576 bfd_section_name (abfd, s), section_size);
577 print_address_numeric (section_base, 1, gdb_stdout);
578 printf_filtered ("\n");
579 gdb_flush (gdb_stdout);
581 /* Finally, make the PC point at the start address */
582 write_pc (bfd_get_start_address (abfd));
583 report_transfer_performance (data_count, start_time, end_time);
584 printf_filtered ("Start address 0x%lx\n", bfd_get_start_address (abfd));
586 inferior_pid = 0; /* No process now */
588 /* This is necessary because many things were based on the PC at the
589 time that we attached to the monitor, which is no longer valid
590 now that we have loaded new code (and just changed the PC).
591 Another way to do this might be to call normal_stop, except that
592 the stack may not be valid, and things would get horribly
595 clear_symtab_users ();
598 #endif /* ! _MSC_VER */
601 _initialize_m32r_rom ()
603 /* Initialize m32r RevC monitor target */
605 init_monitor_ops (&m32r_ops);
607 m32r_ops.to_shortname = "m32r";
608 m32r_ops.to_longname = "m32r monitor";
609 m32r_ops.to_load = m32r_load_gen; /* monitor lacks a download command */
610 m32r_ops.to_doc = "Debug via the m32r monitor.\n\
611 Specify the serial device it is connected to (e.g. /dev/ttya).";
612 m32r_ops.to_open = m32r_open;
613 add_target (&m32r_ops);
615 /* Initialize mon2000 monitor target */
616 init_mon2000_cmds ();
617 init_monitor_ops (&mon2000_ops);
619 mon2000_ops.to_shortname = "mon2000";
620 mon2000_ops.to_longname = "Mon2000 monitor";
621 mon2000_ops.to_load = m32r_load_gen; /* monitor lacks a download command */
622 mon2000_ops.to_doc = "Debug via the Mon2000 monitor.\n\
623 Specify the serial device it is connected to (e.g. /dev/ttya).";
624 mon2000_ops.to_open = mon2000_open;
625 add_target (&mon2000_ops);
629 (add_set_cmd ("download-path", class_obscure, var_string,
630 (char *) &download_path,
631 "Set the default path for downloadable SREC files.",
636 (add_set_cmd ("board-address", class_obscure, var_string,
637 (char *) &board_addr,
638 "Set IP address for M32R-EVA target board.",
643 (add_set_cmd ("server-address", class_obscure, var_string,
644 (char *) &server_addr,
645 "Set IP address for download server (GDB's host computer).",
649 add_com ("upload", class_obscure, m32r_upload_command,
650 "Upload the srec file via the monitor's Ethernet upload capability.");
652 add_com ("tload", class_obscure, m32r_load, "test upload command.");