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,
22 Boston, MA 02111-1307, USA. */
24 /* This module defines communication with the Mitsubishi m32r monitor */
34 #include "symfile.h" /* for generic load */
35 #include <time.h> /* for time_t */
36 #include "gdb_string.h"
37 #include "objfiles.h" /* for ALL_OBJFILES etc. */
38 #include "inferior.h" /* for write_pc() */
41 extern void report_transfer_performance PARAMS ((unsigned long, time_t, time_t));
45 * All this stuff just to get my host computer's IP address!
47 #include <sys/types.h>
48 #include <netdb.h> /* for hostent */
49 #include <netinet/in.h> /* for struct in_addr */
51 #include <arpa/inet.h> /* for inet_ntoa */
55 static char *board_addr; /* user-settable IP address for M32R-EVA */
56 static char *server_addr; /* user-settable IP address for gdb host */
57 static char *download_path; /* user-settable path for SREC files */
61 * Function: m32r_load_1 (helper function)
65 m32r_load_section (abfd, s, data_count)
68 unsigned int *data_count;
70 if (s->flags & SEC_LOAD)
72 bfd_size_type section_size = bfd_section_size (abfd, s);
73 bfd_vma section_base = bfd_section_lma (abfd, s);
74 unsigned int buffer, i;
76 *data_count += section_size;
78 printf_filtered ("Loading section %s, size 0x%lx lma ",
79 bfd_section_name (abfd, s), section_size);
80 print_address_numeric (section_base, 1, gdb_stdout);
81 printf_filtered ("\n");
82 gdb_flush (gdb_stdout);
83 monitor_printf ("%s mw\r", paddr_nz (section_base));
84 for (i = 0; i < section_size; i += 4)
87 monitor_expect (" -> ", NULL, 0);
88 bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
89 monitor_printf ("%x\n", buffer);
91 monitor_expect (" -> ", NULL, 0);
92 monitor_printf ("q\n");
93 monitor_expect_prompt (NULL, 0);
103 bfd_map_over_sections ((bfd *) dummy, m32r_load_section, &data_count);
108 * Function: m32r_load (an alternate way to load)
112 m32r_load (filename, from_tty)
116 extern int inferior_pid;
119 unsigned int i, data_count = 0;
120 time_t start_time, end_time; /* for timing of download */
122 if (filename == NULL || filename[0] == 0)
123 filename = get_exec_file (1);
125 abfd = bfd_openr (filename, 0);
127 error ("Unable to open file %s\n", filename);
128 if (bfd_check_format (abfd, bfd_object) == 0)
129 error ("File is not an object file\n");
130 start_time = time (NULL);
132 for (s = abfd->sections; s; s = s->next)
133 if (s->flags & SEC_LOAD)
135 bfd_size_type section_size = bfd_section_size (abfd, s);
136 bfd_vma section_base = bfd_section_vma (abfd, s);
139 data_count += section_size;
141 printf_filtered ("Loading section %s, size 0x%lx vma ",
142 bfd_section_name (abfd, s), section_size);
143 print_address_numeric (section_base, 1, gdb_stdout);
144 printf_filtered ("\n");
145 gdb_flush (gdb_stdout);
146 monitor_printf ("%x mw\r", section_base);
147 for (i = 0; i < section_size; i += 4)
149 monitor_expect (" -> ", NULL, 0);
150 bfd_get_section_contents (abfd, s, (char *) &buffer, i, 4);
151 monitor_printf ("%x\n", buffer);
153 monitor_expect (" -> ", NULL, 0);
154 monitor_printf ("q\n");
155 monitor_expect_prompt (NULL, 0);
158 if (!(catch_errors (m32r_load_1, abfd, "Load aborted!\n", RETURN_MASK_ALL)))
160 monitor_printf ("q\n");
164 end_time = time (NULL);
165 printf_filtered ("Start address 0x%lx\n", bfd_get_start_address (abfd));
166 report_transfer_performance (data_count, start_time, end_time);
168 /* Finally, make the PC point at the start address */
170 write_pc (bfd_get_start_address (exec_bfd));
172 inferior_pid = 0; /* No process now */
174 /* This is necessary because many things were based on the PC at the
175 time that we attached to the monitor, which is no longer valid
176 now that we have loaded new code (and just changed the PC).
177 Another way to do this might be to call normal_stop, except that
178 the stack may not be valid, and things would get horribly
181 clear_symtab_users ();
185 m32r_load_gen (filename, from_tty)
189 generic_load (filename, from_tty);
192 static void m32r_open PARAMS ((char *args, int from_tty));
193 static void mon2000_open PARAMS ((char *args, int from_tty));
195 /* This array of registers needs to match the indexes used by GDB. The
196 whole reason this exists is because the various ROM monitors use
197 different names than GDB does, and don't support all the registers
198 either. So, typing "info reg sp" becomes an "A7". */
200 static char *m32r_regnames[] =
201 {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
202 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
203 "psw", "cbr", "spi", "spu", "bpc", "pc", "accl", "acch",
207 m32r_supply_register (regname, regnamelen, val, vallen)
214 int num_regs = sizeof (m32r_regnames) / sizeof (m32r_regnames[0]);
216 for (regno = 0; regno < num_regs; regno++)
217 if (strncmp (regname, m32r_regnames[regno], regnamelen) == 0)
220 if (regno >= num_regs)
221 return; /* no match */
223 if (regno == ACCL_REGNUM)
224 { /* special handling for 64-bit acc reg */
225 monitor_supply_register (ACCH_REGNUM, val);
226 val = strchr (val, ':'); /* skip past ':' to get 2nd word */
228 monitor_supply_register (ACCL_REGNUM, val + 1);
232 monitor_supply_register (regno, val);
233 if (regno == PSW_REGNUM)
235 unsigned long psw = strtoul (val, NULL, 16);
236 char *zero = "00000000", *one = "00000001";
240 monitor_supply_register (SM_REGNUM, (psw & 0x80) ? one : zero);
243 /* Backup stack mode bit */
244 monitor_supply_register (BSM_REGNUM, (psw & 0x8000) ? one : zero);
247 /* Interrupt enable bit */
248 monitor_supply_register (IE_REGNUM, (psw & 0x40) ? one : zero);
251 /* Backup interrupt enable bit */
252 monitor_supply_register (BIE_REGNUM, (psw & 0x4000) ? one : zero);
255 /* Condition bit (carry etc.) */
256 monitor_supply_register (COND_REGNUM, (psw & 0x1) ? one : zero);
259 monitor_supply_register (CBR_REGNUM, (psw & 0x1) ? one : zero);
262 monitor_supply_register (BPC_REGNUM, zero); /* KLUDGE: (???????) */
265 monitor_supply_register (BCARRY_REGNUM, zero); /* KLUDGE: (??????) */
269 if (regno == SPI_REGNUM || regno == SPU_REGNUM)
270 { /* special handling for stack pointer (spu or spi) */
271 unsigned long stackmode = read_register (PSW_REGNUM) & 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[] =
288 static struct monitor_ops m32r_cmds;
291 init_m32r_cmds (void)
293 m32r_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST;
294 m32r_cmds.init = m32r_inits; /* Init strings */
295 m32r_cmds.cont = "go\r"; /* continue command */
296 m32r_cmds.step = "step\r"; /* single step */
297 m32r_cmds.stop = NULL; /* interrupt command */
298 m32r_cmds.set_break = "%x +bp\r"; /* set a breakpoint */
299 m32r_cmds.clr_break = "%x -bp\r"; /* clear a breakpoint */
300 m32r_cmds.clr_all_break = "bpoff\r"; /* clear all breakpoints */
301 m32r_cmds.fill = "%x %x %x fill\r"; /* fill (start length val) */
302 m32r_cmds.setmem.cmdb = "%x 1 %x fill\r"; /* setmem.cmdb (addr, value) */
303 m32r_cmds.setmem.cmdw = "%x 1 %x fillh\r"; /* setmem.cmdw (addr, value) */
304 m32r_cmds.setmem.cmdl = "%x 1 %x fillw\r"; /* setmem.cmdl (addr, value) */
305 m32r_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
306 m32r_cmds.setmem.resp_delim = NULL; /* setmem.resp_delim */
307 m32r_cmds.setmem.term = NULL; /* setmem.term */
308 m32r_cmds.setmem.term_cmd = NULL; /* setmem.term_cmd */
309 m32r_cmds.getmem.cmdb = "%x %x dump\r"; /* getmem.cmdb (addr, len) */
310 m32r_cmds.getmem.cmdw = NULL; /* getmem.cmdw (addr, len) */
311 m32r_cmds.getmem.cmdl = NULL; /* getmem.cmdl (addr, len) */
312 m32r_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
313 m32r_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */
314 m32r_cmds.getmem.term = NULL; /* getmem.term */
315 m32r_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
316 m32r_cmds.setreg.cmd = "%x to %%%s\r"; /* setreg.cmd (name, value) */
317 m32r_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
318 m32r_cmds.setreg.term = NULL; /* setreg.term */
319 m32r_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
320 m32r_cmds.getreg.cmd = NULL; /* getreg.cmd (name) */
321 m32r_cmds.getreg.resp_delim = NULL; /* getreg.resp_delim */
322 m32r_cmds.getreg.term = NULL; /* getreg.term */
323 m32r_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */
324 m32r_cmds.dump_registers = ".reg\r"; /* dump_registers */
325 m32r_cmds.register_pattern = "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)"; /* register_pattern */
326 m32r_cmds.supply_register = m32r_supply_register; /* supply_register */
327 m32r_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */
328 m32r_cmds.load = NULL; /* download command */
329 m32r_cmds.loadresp = NULL; /* load response */
330 m32r_cmds.prompt = "ok "; /* monitor command prompt */
331 m32r_cmds.line_term = "\r"; /* end-of-line terminator */
332 m32r_cmds.cmd_end = NULL; /* optional command terminator */
333 m32r_cmds.target = &m32r_ops; /* target operations */
334 m32r_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
335 m32r_cmds.regnames = m32r_regnames; /* registers names */
336 m32r_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
337 } /* init_m32r_cmds */
340 m32r_open (args, from_tty)
344 monitor_open (args, &m32r_cmds, from_tty);
347 /* Mon2000 monitor (MSA2000 board) */
349 static struct target_ops mon2000_ops;
350 static struct monitor_ops mon2000_cmds;
353 init_mon2000_cmds (void)
355 mon2000_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_REGISTER_VALUE_FIRST;
356 mon2000_cmds.init = m32r_inits; /* Init strings */
357 mon2000_cmds.cont = "go\r"; /* continue command */
358 mon2000_cmds.step = "step\r"; /* single step */
359 mon2000_cmds.stop = NULL; /* interrupt command */
360 mon2000_cmds.set_break = "%x +bp\r"; /* set a breakpoint */
361 mon2000_cmds.clr_break = "%x -bp\r"; /* clear a breakpoint */
362 mon2000_cmds.clr_all_break = "bpoff\r"; /* clear all breakpoints */
363 mon2000_cmds.fill = "%x %x %x fill\r"; /* fill (start length val) */
364 mon2000_cmds.setmem.cmdb = "%x 1 %x fill\r"; /* setmem.cmdb (addr, value) */
365 mon2000_cmds.setmem.cmdw = "%x 1 %x fillh\r"; /* setmem.cmdw (addr, value) */
366 mon2000_cmds.setmem.cmdl = "%x 1 %x fillw\r"; /* setmem.cmdl (addr, value) */
367 mon2000_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
368 mon2000_cmds.setmem.resp_delim = NULL; /* setmem.resp_delim */
369 mon2000_cmds.setmem.term = NULL; /* setmem.term */
370 mon2000_cmds.setmem.term_cmd = NULL; /* setmem.term_cmd */
371 mon2000_cmds.getmem.cmdb = "%x %x dump\r"; /* getmem.cmdb (addr, len) */
372 mon2000_cmds.getmem.cmdw = NULL; /* getmem.cmdw (addr, len) */
373 mon2000_cmds.getmem.cmdl = NULL; /* getmem.cmdl (addr, len) */
374 mon2000_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
375 mon2000_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */
376 mon2000_cmds.getmem.term = NULL; /* getmem.term */
377 mon2000_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
378 mon2000_cmds.setreg.cmd = "%x to %%%s\r"; /* setreg.cmd (name, value) */
379 mon2000_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
380 mon2000_cmds.setreg.term = NULL; /* setreg.term */
381 mon2000_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
382 mon2000_cmds.getreg.cmd = NULL; /* getreg.cmd (name) */
383 mon2000_cmds.getreg.resp_delim = NULL; /* getreg.resp_delim */
384 mon2000_cmds.getreg.term = NULL; /* getreg.term */
385 mon2000_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */
386 mon2000_cmds.dump_registers = ".reg\r"; /* dump_registers */
387 mon2000_cmds.register_pattern = "\\(\\w+\\) += \\([0-9a-fA-F]+\\b\\)"; /* register_pattern */
388 mon2000_cmds.supply_register = m32r_supply_register; /* supply_register */
389 mon2000_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */
390 mon2000_cmds.load = NULL; /* download command */
391 mon2000_cmds.loadresp = NULL; /* load response */
392 mon2000_cmds.prompt = "Mon2000>"; /* monitor command prompt */
393 mon2000_cmds.line_term = "\r"; /* end-of-line terminator */
394 mon2000_cmds.cmd_end = NULL; /* optional command terminator */
395 mon2000_cmds.target = &mon2000_ops; /* target operations */
396 mon2000_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
397 mon2000_cmds.regnames = m32r_regnames; /* registers names */
398 mon2000_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
399 } /* init_mon2000_cmds */
402 mon2000_open (args, from_tty)
406 monitor_open (args, &mon2000_cmds, from_tty);
411 /* Function: set_board_address
412 Tell the BootOne monitor what it's ethernet IP address is. */
415 m32r_set_board_address (args, from_tty)
424 monitor_printf ("ulip %s\n", args);
425 resp_len = monitor_expect_prompt (buf, sizeof (buf));
426 /* now parse the result for success */
429 error ("Requires argument (IP address for M32R-EVA board)");
432 /* Function: set_server_address
433 Tell the BootOne monitor what gdb's ethernet IP address is. */
436 m32r_set_server_address (args, from_tty)
445 monitor_printf ("uhip %s\n", args);
446 resp_len = monitor_expect_prompt (buf, sizeof (buf));
447 /* now parse the result for success */
450 error ("Requires argument (IP address of GDB's host computer)");
453 /* Function: set_download_path
454 Tell the BootOne monitor the default path for downloadable SREC files. */
457 m32r_set_download_path (args, from_tty)
466 monitor_printf ("up %s\n", args);
467 resp_len = monitor_expect_prompt (buf, sizeof (buf));
468 /* now parse the result for success */
471 error ("Requires argument (default path for downloadable SREC files)");
475 m32r_upload_command (args, from_tty)
481 time_t start_time, end_time; /* for timing of download */
482 extern int inferior_pid;
483 int resp_len, data_count = 0;
485 struct hostent *hostent;
486 struct in_addr inet_addr;
488 /* first check to see if there's an ethernet port! */
489 monitor_printf ("ust\r");
490 resp_len = monitor_expect_prompt (buf, sizeof (buf));
491 if (!strchr (buf, ':'))
492 error ("No ethernet connection!");
496 /* scan second colon in the output from the "ust" command */
497 char *myIPaddress = strchr (strchr (buf, ':') + 1, ':') + 1;
499 while (isspace (*myIPaddress))
502 if (!strncmp (myIPaddress, "0.0.", 4)) /* empty */
503 error ("Please use 'set board-address' to set the M32R-EVA board's IP address.");
504 if (strchr (myIPaddress, '('))
505 *(strchr (myIPaddress, '(')) = '\0'; /* delete trailing junk */
506 board_addr = strsave (myIPaddress);
508 if (server_addr == 0)
511 gethostname (buf, sizeof (buf));
513 hostent = gethostbyname (buf);
517 memcpy (&inet_addr.s_addr, hostent->h_addr,
518 sizeof (inet_addr.s_addr));
519 server_addr = (char *) inet_ntoa (inet_addr);
521 server_addr = (char *) inet_ntoa (hostent->h_addr);
524 if (server_addr == 0) /* failed? */
525 error ("Need to know gdb host computer's IP address (use 'set server-address')");
528 if (args == 0 || args[0] == 0) /* no args: upload the current file */
529 args = get_exec_file (1);
531 if (args[0] != '/' && download_path == 0)
533 if (current_directory)
534 download_path = strsave (current_directory);
536 error ("Need to know default download path (use 'set download-path')");
539 start_time = time (NULL);
540 monitor_printf ("uhip %s\r", server_addr);
541 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
542 monitor_printf ("ulip %s\r", board_addr);
543 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
545 monitor_printf ("up %s\r", download_path); /* use default path */
547 monitor_printf ("up\r"); /* rooted filename/path */
548 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
550 if (strrchr (args, '.') && !strcmp (strrchr (args, '.'), ".srec"))
551 monitor_printf ("ul %s\r", args);
552 else /* add ".srec" suffix */
553 monitor_printf ("ul %s.srec\r", args);
554 resp_len = monitor_expect_prompt (buf, sizeof (buf)); /* parse result? */
556 if (buf[0] == 0 || strstr (buf, "complete") == 0)
557 error ("Upload file not found: %s.srec\nCheck IP addresses and download path.", args);
559 printf_filtered (" -- Ethernet load complete.\n");
561 end_time = time (NULL);
562 abfd = bfd_openr (args, 0);
564 { /* Download is done -- print section statistics */
565 if (bfd_check_format (abfd, bfd_object) == 0)
567 printf_filtered ("File is not an object file\n");
569 for (s = abfd->sections; s; s = s->next)
570 if (s->flags & SEC_LOAD)
572 bfd_size_type section_size = bfd_section_size (abfd, s);
573 bfd_vma section_base = bfd_section_lma (abfd, s);
576 data_count += section_size;
578 printf_filtered ("Loading section %s, size 0x%lx lma ",
579 bfd_section_name (abfd, s), section_size);
580 print_address_numeric (section_base, 1, gdb_stdout);
581 printf_filtered ("\n");
582 gdb_flush (gdb_stdout);
584 /* Finally, make the PC point at the start address */
585 write_pc (bfd_get_start_address (abfd));
586 report_transfer_performance (data_count, start_time, end_time);
587 printf_filtered ("Start address 0x%lx\n", bfd_get_start_address (abfd));
589 inferior_pid = 0; /* No process now */
591 /* This is necessary because many things were based on the PC at the
592 time that we attached to the monitor, which is no longer valid
593 now that we have loaded new code (and just changed the PC).
594 Another way to do this might be to call normal_stop, except that
595 the stack may not be valid, and things would get horribly
598 clear_symtab_users ();
601 #endif /* ! _MSC_VER */
604 _initialize_m32r_rom ()
606 /* Initialize m32r RevC monitor target */
608 init_monitor_ops (&m32r_ops);
610 m32r_ops.to_shortname = "m32r";
611 m32r_ops.to_longname = "m32r monitor";
612 m32r_ops.to_load = m32r_load_gen; /* monitor lacks a download command */
613 m32r_ops.to_doc = "Debug via the m32r monitor.\n\
614 Specify the serial device it is connected to (e.g. /dev/ttya).";
615 m32r_ops.to_open = m32r_open;
616 add_target (&m32r_ops);
618 /* Initialize mon2000 monitor target */
619 init_mon2000_cmds ();
620 init_monitor_ops (&mon2000_ops);
622 mon2000_ops.to_shortname = "mon2000";
623 mon2000_ops.to_longname = "Mon2000 monitor";
624 mon2000_ops.to_load = m32r_load_gen; /* monitor lacks a download command */
625 mon2000_ops.to_doc = "Debug via the Mon2000 monitor.\n\
626 Specify the serial device it is connected to (e.g. /dev/ttya).";
627 mon2000_ops.to_open = mon2000_open;
628 add_target (&mon2000_ops);
632 (add_set_cmd ("download-path", class_obscure, var_string,
633 (char *) &download_path,
634 "Set the default path for downloadable SREC files.",
639 (add_set_cmd ("board-address", class_obscure, var_string,
640 (char *) &board_addr,
641 "Set IP address for M32R-EVA target board.",
646 (add_set_cmd ("server-address", class_obscure, var_string,
647 (char *) &server_addr,
648 "Set IP address for download server (GDB's host computer).",
652 add_com ("upload", class_obscure, m32r_upload_command,
653 "Upload the srec file via the monitor's Ethernet upload capability.");
655 add_com ("tload", class_obscure, m32r_load, "test upload command.");