1 /* Remote target glue for the Hitachi SH-3 ROM monitor.
2 Copyright 1995, 1996, 2000, 2001 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"
30 static serial_t parallel;
31 static int parallel_in_use;
33 static void sh3_open (char *args, int from_tty);
36 sh3_supply_register (char *regname, int regnamelen, char *val, int vallen)
49 if (regname[1] == 'R')
53 if (regname[1] == 'C')
55 else if (regname[1] == 'R')
60 else if (regnamelen == 3)
66 if (regname[1] == 'B' && regname[2] == 'R')
68 if (regname[0] == 'G')
75 if (regname[1] == 'S' && regname[2] == 'R')
76 regno = gdbarch_tdep (current_gdbarch)->SSR_REGNUM;
77 else if (regname[1] == 'P' && regname[2] == 'C')
78 regno = gdbarch_tdep (current_gdbarch)->SPC_REGNUM;
82 else if (regnamelen == 4)
87 if (regname[1] == 'A' && regname[2] == 'C')
89 if (regname[3] == 'H')
91 else if (regname[3] == 'L')
96 if (regname[1] == '0' && regname[2] == '-' && regname[3] == '7')
103 else if (regnamelen == 5)
105 if (regname[1] == '8' && regname[2] == '-' && regname[3] == '1'
106 && regname[4] == '5')
108 regno = R0_REGNUM + 8;
112 else if (regnamelen == 17)
117 while (numregs-- > 0)
118 val = monitor_supply_register (regno++, val);
122 sh3_load (serial_t desc, char *file, int hashmark)
126 monitor_printf ("pl;s\r");
127 load_srec (parallel, file, 0, 80, SREC_ALL, hashmark, NULL);
128 monitor_expect_prompt (NULL, 0);
132 monitor_printf ("il;s:x\r");
133 monitor_expect ("\005", NULL, 0); /* Look for ENQ */
134 SERIAL_WRITE (desc, "\006", 1); /* Send ACK */
135 monitor_expect ("LO x\r", NULL, 0); /* Look for filename */
137 load_srec (desc, file, 0, 80, SREC_ALL, hashmark, NULL);
139 monitor_expect ("\005", NULL, 0); /* Look for ENQ */
140 SERIAL_WRITE (desc, "\006", 1); /* Send ACK */
141 monitor_expect_prompt (NULL, 0);
145 /* This array of registers need to match the indexes used by GDB.
146 This exists because the various ROM monitors use different strings
147 than does GDB, and don't necessarily support all the registers
148 either. So, typing "info reg sp" becomes a "r30". */
150 static char *sh3_regnames[] =
152 "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
153 "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15",
154 "PC", "PR", "GBR", "VBR", "MACH", "MACL", "SR",
156 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
157 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
159 "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
160 "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
161 "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
162 "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
165 static char *sh3e_regnames[] =
167 "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
168 "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15",
169 "PC", "PR", "GBR", "VBR", "MACH", "MACL", "SR",
171 "FR0", "FR1", "FR2", "FR3", "FR4", "FR5", "FR6", "FR7",
172 "FR8", "FR9", "FR10", "FR11", "FR12", "FR13", "FR14", "FR15",
174 "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
175 "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
176 "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
177 "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
180 /* Define the monitor command strings. Since these are passed directly
181 through to a printf style function, we may include formatting
182 strings. We also need a CR or LF on the end. */
184 static struct target_ops sh3_ops, sh3e_ops;
186 static char *sh3_inits[] =
187 {"\003", NULL}; /* Exits sub-command mode & download cmds */
189 static struct monitor_ops sh3_cmds;
194 sh3_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_GETMEM_READ_SINGLE; /* flags */
195 sh3_cmds.init = sh3_inits; /* monitor init string */
196 sh3_cmds.cont = "g\r"; /* continue command */
197 sh3_cmds.step = "s\r"; /* single step */
198 sh3_cmds.stop = "\003"; /* Interrupt program */
199 sh3_cmds.set_break = "b %x\r"; /* set a breakpoint */
200 sh3_cmds.clr_break = "b -%x\r"; /* clear a breakpoint */
201 sh3_cmds.clr_all_break = "b -\r"; /* clear all breakpoints */
202 sh3_cmds.fill = "f %x @%x %x\r"; /* fill (start len val) */
203 sh3_cmds.setmem.cmdb = "m %x %x\r"; /* setmem.cmdb (addr, value) */
204 sh3_cmds.setmem.cmdw = "m %x %x;w\r"; /* setmem.cmdw (addr, value) */
205 sh3_cmds.setmem.cmdl = "m %x %x;l\r"; /* setmem.cmdl (addr, value) */
206 sh3_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
207 sh3_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */
208 sh3_cmds.setmem.term = NULL; /* setreg.term */
209 sh3_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */
210 sh3_cmds.getmem.cmdb = "m %x\r"; /* getmem.cmdb (addr, len) */
211 sh3_cmds.getmem.cmdw = "m %x;w\r"; /* getmem.cmdw (addr, len) */
212 sh3_cmds.getmem.cmdl = "m %x;l\r"; /* getmem.cmdl (addr, len) */
213 sh3_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
214 sh3_cmds.getmem.resp_delim = "^ [0-9A-F]+ "; /* getmem.resp_delim */
215 sh3_cmds.getmem.term = "? "; /* getmem.term */
216 sh3_cmds.getmem.term_cmd = ".\r"; /* getmem.term_cmd */
217 sh3_cmds.setreg.cmd = ".%s %x\r"; /* setreg.cmd (name, value) */
218 sh3_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
219 sh3_cmds.setreg.term = NULL; /* setreg.term */
220 sh3_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
221 sh3_cmds.getreg.cmd = ".%s\r"; /* getreg.cmd (name) */
222 sh3_cmds.getreg.resp_delim = "="; /* getreg.resp_delim */
223 sh3_cmds.getreg.term = "? "; /* getreg.term */
224 sh3_cmds.getreg.term_cmd = ".\r"; /* getreg.term_cmd */
225 sh3_cmds.dump_registers = "r\r"; /* dump_registers */
226 sh3_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\( +[0-9a-fA-F]+\\b\\)*\\)";
227 sh3_cmds.supply_register = sh3_supply_register; /* supply_register */
228 sh3_cmds.load_routine = sh3_load; /* load_routine */
229 sh3_cmds.load = NULL; /* download command */
230 sh3_cmds.loadresp = NULL; /* Load response */
231 sh3_cmds.prompt = "\n:"; /* monitor command prompt */
232 sh3_cmds.line_term = "\r"; /* end-of-line terminator */
233 sh3_cmds.cmd_end = ".\r"; /* optional command terminator */
234 sh3_cmds.target = &sh3_ops; /* target operations */
235 sh3_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
236 sh3_cmds.regnames = sh3_regnames; /* registers names */
237 sh3_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
238 } /* init_sh3_cmds */
240 /* This monitor structure is identical except for a couple slots, so
241 we will fill it in from the base structure when needed. */
243 static struct monitor_ops sh3e_cmds;
246 sh3_open (char *args, int from_tty)
248 char *serial_port_name = args;
249 char *parallel_port_name = 0;
253 char *cursor = serial_port_name = xstrdup (args);
255 while (*cursor && *cursor != ' ')
261 while (*cursor == ' ')
265 parallel_port_name = cursor;
268 monitor_open (serial_port_name, &sh3_cmds, from_tty);
270 if (parallel_port_name)
272 parallel = SERIAL_OPEN (parallel_port_name);
275 perror_with_name ("Unable to open parallel port.");
280 /* If we connected successfully, we know the processor is an SH3. */
281 set_architecture_from_arch_mach (bfd_arch_sh, bfd_mach_sh3);
286 sh3e_open (char *args, int from_tty)
288 char *serial_port_name = args;
289 char *parallel_port_name = 0;
293 char *cursor = serial_port_name = xstrdup (args);
295 while (*cursor && *cursor != ' ')
301 while (*cursor == ' ')
305 parallel_port_name = cursor;
308 /* Set up the SH-3E monitor commands structure. */
310 memcpy (&sh3e_cmds, &sh3_cmds, sizeof (struct monitor_ops));
312 sh3e_cmds.target = &sh3e_ops;
313 sh3e_cmds.regnames = sh3e_regnames;
315 monitor_open (serial_port_name, &sh3e_cmds, from_tty);
317 if (parallel_port_name)
319 parallel = SERIAL_OPEN (parallel_port_name);
322 perror_with_name ("Unable to open parallel port.");
327 /* If we connected successfully, we know the processor is an SH3E. */
328 set_architecture_from_arch_mach (bfd_arch_sh, bfd_mach_sh3);
332 sh3_close (int quitting)
334 monitor_close (quitting);
337 SERIAL_CLOSE (parallel);
343 _initialize_sh3_rom (void)
346 init_monitor_ops (&sh3_ops);
348 sh3_ops.to_shortname = "sh3";
349 sh3_ops.to_longname = "Hitachi SH-3 rom monitor";
353 /* On windows we can talk through the parallel port too. */
354 "Debug on a Hitachi eval board running the SH-3 rom monitor.\n"
355 "Specify the serial device it is connected to (e.g. com2).\n"
356 "If you want to use the parallel port to download to it, specify that\n"
357 "as the second argument. (e.g. lpt1)";
359 "Debug on a Hitachi eval board running the SH-3 rom monitor.\n\
360 Specify the serial device it is connected to (e.g. /dev/ttya).";
363 sh3_ops.to_open = sh3_open;
364 sh3_ops.to_close = sh3_close;
366 add_target (&sh3_ops);
368 /* Setup the SH3e, which has float registers. */
370 init_monitor_ops (&sh3e_ops);
372 sh3e_ops.to_shortname = "sh3e";
373 sh3e_ops.to_longname = "Hitachi SH-3E rom monitor";
377 /* On windows we can talk through the parallel port too. */
378 "Debug on a Hitachi eval board running the SH-3E rom monitor.\n"
379 "Specify the serial device it is connected to (e.g. com2).\n"
380 "If you want to use the parallel port to download to it, specify that\n"
381 "as the second argument. (e.g. lpt1)";
383 "Debug on a Hitachi eval board running the SH-3E rom monitor.\n\
384 Specify the serial device it is connected to (e.g. /dev/ttya).";
387 sh3e_ops.to_open = sh3e_open;
388 sh3e_ops.to_close = sh3_close;
390 add_target (&sh3e_ops);