1 /* Remote target glue for the Hitachi SH-3 ROM monitor.
2 Copyright 1995, 1996, 2000 Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
27 #include "arch-utils.h"
29 static serial_t parallel;
30 static int parallel_in_use;
32 static void sh3_open (char *args, int from_tty);
35 sh3_supply_register (regname, regnamelen, val, vallen)
52 if (regname[1] == 'R')
56 if (regname[1] == 'C')
58 else if (regname[1] == 'R')
63 else if (regnamelen == 3)
69 if (regname[1] == 'B' && regname[2] == 'R')
71 if (regname[0] == 'G')
78 if (regname[1] == 'S' && regname[2] == 'R')
80 else if (regname[1] == 'P' && regname[2] == 'C')
85 else if (regnamelen == 4)
90 if (regname[1] == 'A' && regname[2] == 'C')
92 if (regname[3] == 'H')
94 else if (regname[3] == 'L')
99 if (regname[1] == '0' && regname[2] == '-' && regname[3] == '7')
106 else if (regnamelen == 5)
108 if (regname[1] == '8' && regname[2] == '-' && regname[3] == '1'
109 && regname[4] == '5')
111 regno = R0_REGNUM + 8;
115 else if (regnamelen == 17)
120 while (numregs-- > 0)
121 val = monitor_supply_register (regno++, val);
125 sh3_load (desc, file, hashmark)
132 monitor_printf ("pl;s\r");
133 load_srec (parallel, file, 0, 80, SREC_ALL, hashmark, NULL);
134 monitor_expect_prompt (NULL, 0);
138 monitor_printf ("il;s:x\r");
139 monitor_expect ("\005", NULL, 0); /* Look for ENQ */
140 SERIAL_WRITE (desc, "\006", 1); /* Send ACK */
141 monitor_expect ("LO x\r", NULL, 0); /* Look for filename */
143 load_srec (desc, file, 0, 80, SREC_ALL, hashmark, NULL);
145 monitor_expect ("\005", NULL, 0); /* Look for ENQ */
146 SERIAL_WRITE (desc, "\006", 1); /* Send ACK */
147 monitor_expect_prompt (NULL, 0);
151 /* This array of registers need to match the indexes used by GDB.
152 This exists because the various ROM monitors use different strings
153 than does GDB, and don't necessarily support all the registers
154 either. So, typing "info reg sp" becomes a "r30". */
156 static char *sh3_regnames[NUM_REGS] =
158 "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
159 "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15",
160 "PC", "PR", "GBR", "VBR", "MACH", "MACL", "SR",
162 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
163 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
165 "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
166 "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
167 "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
168 "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
171 static char *sh3e_regnames[NUM_REGS] =
173 "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
174 "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15",
175 "PC", "PR", "GBR", "VBR", "MACH", "MACL", "SR",
177 "FR0", "FR1", "FR2", "FR3", "FR4", "FR5", "FR6", "FR7",
178 "FR8", "FR9", "FR10", "FR11", "FR12", "FR13", "FR14", "FR15",
180 "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
181 "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
182 "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
183 "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
186 /* Define the monitor command strings. Since these are passed directly
187 through to a printf style function, we may include formatting
188 strings. We also need a CR or LF on the end. */
190 static struct target_ops sh3_ops, sh3e_ops;
192 static char *sh3_inits[] =
193 {"\003", NULL}; /* Exits sub-command mode & download cmds */
195 static struct monitor_ops sh3_cmds;
200 sh3_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_GETMEM_READ_SINGLE; /* flags */
201 sh3_cmds.init = sh3_inits; /* monitor init string */
202 sh3_cmds.cont = "g\r"; /* continue command */
203 sh3_cmds.step = "s\r"; /* single step */
204 sh3_cmds.stop = "\003"; /* Interrupt program */
205 sh3_cmds.set_break = "b %x\r"; /* set a breakpoint */
206 sh3_cmds.clr_break = "b -%x\r"; /* clear a breakpoint */
207 sh3_cmds.clr_all_break = "b -\r"; /* clear all breakpoints */
208 sh3_cmds.fill = "f %x @%x %x\r"; /* fill (start len val) */
209 sh3_cmds.setmem.cmdb = "m %x %x\r"; /* setmem.cmdb (addr, value) */
210 sh3_cmds.setmem.cmdw = "m %x %x;w\r"; /* setmem.cmdw (addr, value) */
211 sh3_cmds.setmem.cmdl = "m %x %x;l\r"; /* setmem.cmdl (addr, value) */
212 sh3_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
213 sh3_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */
214 sh3_cmds.setmem.term = NULL; /* setreg.term */
215 sh3_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */
216 sh3_cmds.getmem.cmdb = "m %x\r"; /* getmem.cmdb (addr, len) */
217 sh3_cmds.getmem.cmdw = "m %x;w\r"; /* getmem.cmdw (addr, len) */
218 sh3_cmds.getmem.cmdl = "m %x;l\r"; /* getmem.cmdl (addr, len) */
219 sh3_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
220 sh3_cmds.getmem.resp_delim = "^ [0-9A-F]+ "; /* getmem.resp_delim */
221 sh3_cmds.getmem.term = "? "; /* getmem.term */
222 sh3_cmds.getmem.term_cmd = ".\r"; /* getmem.term_cmd */
223 sh3_cmds.setreg.cmd = ".%s %x\r"; /* setreg.cmd (name, value) */
224 sh3_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
225 sh3_cmds.setreg.term = NULL; /* setreg.term */
226 sh3_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
227 sh3_cmds.getreg.cmd = ".%s\r"; /* getreg.cmd (name) */
228 sh3_cmds.getreg.resp_delim = "="; /* getreg.resp_delim */
229 sh3_cmds.getreg.term = "? "; /* getreg.term */
230 sh3_cmds.getreg.term_cmd = ".\r"; /* getreg.term_cmd */
231 sh3_cmds.dump_registers = "r\r"; /* dump_registers */
232 sh3_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\( +[0-9a-fA-F]+\\b\\)*\\)";
233 sh3_cmds.supply_register = sh3_supply_register; /* supply_register */
234 sh3_cmds.load_routine = sh3_load; /* load_routine */
235 sh3_cmds.load = NULL; /* download command */
236 sh3_cmds.loadresp = NULL; /* Load response */
237 sh3_cmds.prompt = "\n:"; /* monitor command prompt */
238 sh3_cmds.line_term = "\r"; /* end-of-line terminator */
239 sh3_cmds.cmd_end = ".\r"; /* optional command terminator */
240 sh3_cmds.target = &sh3_ops; /* target operations */
241 sh3_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
242 sh3_cmds.regnames = sh3_regnames; /* registers names */
243 sh3_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
244 } /* init_sh3_cmds */
246 /* This monitor structure is identical except for a couple slots, so
247 we will fill it in from the base structure when needed. */
249 static struct monitor_ops sh3e_cmds;
252 sh3_open (args, from_tty)
256 char *serial_port_name = args;
257 char *parallel_port_name = 0;
261 char *cursor = serial_port_name = strsave (args);
263 while (*cursor && *cursor != ' ')
269 while (*cursor == ' ')
273 parallel_port_name = cursor;
276 monitor_open (serial_port_name, &sh3_cmds, from_tty);
278 if (parallel_port_name)
280 parallel = SERIAL_OPEN (parallel_port_name);
283 perror_with_name ("Unable to open parallel port.");
288 /* If we connected successfully, we know the processor is an SH3. */
289 set_architecture_from_arch_mach (bfd_arch_sh, bfd_mach_sh3);
294 sh3e_open (args, from_tty)
298 char *serial_port_name = args;
299 char *parallel_port_name = 0;
303 char *cursor = serial_port_name = strsave (args);
305 while (*cursor && *cursor != ' ')
311 while (*cursor == ' ')
315 parallel_port_name = cursor;
318 /* Set up the SH-3E monitor commands structure. */
320 memcpy (&sh3e_cmds, &sh3_cmds, sizeof (struct monitor_ops));
322 sh3e_cmds.target = &sh3e_ops;
323 sh3e_cmds.regnames = sh3e_regnames;
325 monitor_open (serial_port_name, &sh3e_cmds, from_tty);
327 if (parallel_port_name)
329 parallel = SERIAL_OPEN (parallel_port_name);
332 perror_with_name ("Unable to open parallel port.");
337 /* If we connected successfully, we know the processor is an SH3E. */
338 set_architecture_from_arch_mach (bfd_arch_sh, bfd_mach_sh3);
345 monitor_close (quitting);
348 SERIAL_CLOSE (parallel);
354 _initialize_sh3_rom ()
357 init_monitor_ops (&sh3_ops);
359 sh3_ops.to_shortname = "sh3";
360 sh3_ops.to_longname = "Hitachi SH-3 rom monitor";
364 /* On windows we can talk through the parallel port too. */
365 "Debug on a Hitachi eval board running the SH-3 rom monitor.\n"
366 "Specify the serial device it is connected to (e.g. com2).\n"
367 "If you want to use the parallel port to download to it, specify that\n"
368 "as the second argument. (e.g. lpt1)";
370 "Debug on a Hitachi eval board running the SH-3 rom monitor.\n\
371 Specify the serial device it is connected to (e.g. /dev/ttya).";
374 sh3_ops.to_open = sh3_open;
375 sh3_ops.to_close = sh3_close;
377 add_target (&sh3_ops);
379 /* Setup the SH3e, which has float registers. */
381 init_monitor_ops (&sh3e_ops);
383 sh3e_ops.to_shortname = "sh3e";
384 sh3e_ops.to_longname = "Hitachi SH-3E rom monitor";
388 /* On windows we can talk through the parallel port too. */
389 "Debug on a Hitachi eval board running the SH-3E rom monitor.\n"
390 "Specify the serial device it is connected to (e.g. com2).\n"
391 "If you want to use the parallel port to download to it, specify that\n"
392 "as the second argument. (e.g. lpt1)";
394 "Debug on a Hitachi eval board running the SH-3E rom monitor.\n\
395 Specify the serial device it is connected to (e.g. /dev/ttya).";
398 sh3e_ops.to_open = sh3e_open;
399 sh3e_ops.to_close = sh3_close;
401 add_target (&sh3e_ops);