1 /* Remote target glue for the Hitachi SH-3 ROM monitor.
2 Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001
3 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
28 #include "arch-utils.h"
33 static struct serial *parallel;
34 static int parallel_in_use;
36 static void sh3_open (char *args, int from_tty);
39 sh3_supply_register (char *regname, int regnamelen, char *val, int 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')
79 regno = gdbarch_tdep (current_gdbarch)->SSR_REGNUM;
80 else if (regname[1] == 'P' && regname[2] == 'C')
81 regno = gdbarch_tdep (current_gdbarch)->SPC_REGNUM;
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 (struct serial *desc, char *file, int hashmark)
129 monitor_printf ("pl;s\r");
130 load_srec (parallel, file, 0, 80, SREC_ALL, hashmark, NULL);
131 monitor_expect_prompt (NULL, 0);
135 monitor_printf ("il;s:x\r");
136 monitor_expect ("\005", NULL, 0); /* Look for ENQ */
137 serial_write (desc, "\006", 1); /* Send ACK */
138 monitor_expect ("LO x\r", NULL, 0); /* Look for filename */
140 load_srec (desc, file, 0, 80, SREC_ALL, hashmark, NULL);
142 monitor_expect ("\005", NULL, 0); /* Look for ENQ */
143 serial_write (desc, "\006", 1); /* Send ACK */
144 monitor_expect_prompt (NULL, 0);
148 /* This array of registers need to match the indexes used by GDB.
149 This exists because the various ROM monitors use different strings
150 than does GDB, and don't necessarily support all the registers
151 either. So, typing "info reg sp" becomes a "r30". */
153 static char *sh3_regnames[] =
155 "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
156 "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15",
157 "PC", "PR", "GBR", "VBR", "MACH", "MACL", "SR",
159 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
160 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
162 "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
163 "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
164 "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
165 "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
168 static char *sh3e_regnames[] =
170 "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
171 "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15",
172 "PC", "PR", "GBR", "VBR", "MACH", "MACL", "SR",
174 "FR0", "FR1", "FR2", "FR3", "FR4", "FR5", "FR6", "FR7",
175 "FR8", "FR9", "FR10", "FR11", "FR12", "FR13", "FR14", "FR15",
177 "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
178 "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
179 "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
180 "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
183 /* Define the monitor command strings. Since these are passed directly
184 through to a printf style function, we may include formatting
185 strings. We also need a CR or LF on the end. */
187 static struct target_ops sh3_ops, sh3e_ops;
189 static char *sh3_inits[] =
190 {"\003", NULL}; /* Exits sub-command mode & download cmds */
192 static struct monitor_ops sh3_cmds;
197 sh3_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_GETMEM_READ_SINGLE; /* flags */
198 sh3_cmds.init = sh3_inits; /* monitor init string */
199 sh3_cmds.cont = "g\r"; /* continue command */
200 sh3_cmds.step = "s\r"; /* single step */
201 sh3_cmds.stop = "\003"; /* Interrupt program */
202 sh3_cmds.set_break = "b %x\r"; /* set a breakpoint */
203 sh3_cmds.clr_break = "b -%x\r"; /* clear a breakpoint */
204 sh3_cmds.clr_all_break = "b -\r"; /* clear all breakpoints */
205 sh3_cmds.fill = "f %x @%x %x\r"; /* fill (start len val) */
206 sh3_cmds.setmem.cmdb = "m %x %x\r"; /* setmem.cmdb (addr, value) */
207 sh3_cmds.setmem.cmdw = "m %x %x;w\r"; /* setmem.cmdw (addr, value) */
208 sh3_cmds.setmem.cmdl = "m %x %x;l\r"; /* setmem.cmdl (addr, value) */
209 sh3_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
210 sh3_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */
211 sh3_cmds.setmem.term = NULL; /* setreg.term */
212 sh3_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */
213 sh3_cmds.getmem.cmdb = "m %x\r"; /* getmem.cmdb (addr, len) */
214 sh3_cmds.getmem.cmdw = "m %x;w\r"; /* getmem.cmdw (addr, len) */
215 sh3_cmds.getmem.cmdl = "m %x;l\r"; /* getmem.cmdl (addr, len) */
216 sh3_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
217 sh3_cmds.getmem.resp_delim = "^ [0-9A-F]+ "; /* getmem.resp_delim */
218 sh3_cmds.getmem.term = "? "; /* getmem.term */
219 sh3_cmds.getmem.term_cmd = ".\r"; /* getmem.term_cmd */
220 sh3_cmds.setreg.cmd = ".%s %x\r"; /* setreg.cmd (name, value) */
221 sh3_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
222 sh3_cmds.setreg.term = NULL; /* setreg.term */
223 sh3_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
224 sh3_cmds.getreg.cmd = ".%s\r"; /* getreg.cmd (name) */
225 sh3_cmds.getreg.resp_delim = "="; /* getreg.resp_delim */
226 sh3_cmds.getreg.term = "? "; /* getreg.term */
227 sh3_cmds.getreg.term_cmd = ".\r"; /* getreg.term_cmd */
228 sh3_cmds.dump_registers = "r\r"; /* dump_registers */
229 sh3_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\( +[0-9a-fA-F]+\\b\\)*\\)";
230 sh3_cmds.supply_register = sh3_supply_register; /* supply_register */
231 sh3_cmds.load_routine = sh3_load; /* load_routine */
232 sh3_cmds.load = NULL; /* download command */
233 sh3_cmds.loadresp = NULL; /* Load response */
234 sh3_cmds.prompt = "\n:"; /* monitor command prompt */
235 sh3_cmds.line_term = "\r"; /* end-of-line terminator */
236 sh3_cmds.cmd_end = ".\r"; /* optional command terminator */
237 sh3_cmds.target = &sh3_ops; /* target operations */
238 sh3_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
239 sh3_cmds.regnames = sh3_regnames; /* registers names */
240 sh3_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
241 } /* init_sh3_cmds */
243 /* This monitor structure is identical except for a couple slots, so
244 we will fill it in from the base structure when needed. */
246 static struct monitor_ops sh3e_cmds;
249 sh3_open (char *args, int from_tty)
251 char *serial_port_name = args;
252 char *parallel_port_name = 0;
256 char *cursor = serial_port_name = xstrdup (args);
258 while (*cursor && *cursor != ' ')
264 while (*cursor == ' ')
268 parallel_port_name = cursor;
271 monitor_open (serial_port_name, &sh3_cmds, from_tty);
273 if (parallel_port_name)
275 parallel = serial_open (parallel_port_name);
278 perror_with_name ("Unable to open parallel port.");
283 /* If we connected successfully, we know the processor is an SH3. */
284 set_architecture_from_arch_mach (bfd_arch_sh, bfd_mach_sh3);
289 sh3e_open (char *args, int from_tty)
291 char *serial_port_name = args;
292 char *parallel_port_name = 0;
296 char *cursor = serial_port_name = xstrdup (args);
298 while (*cursor && *cursor != ' ')
304 while (*cursor == ' ')
308 parallel_port_name = cursor;
311 /* Set up the SH-3E monitor commands structure. */
313 memcpy (&sh3e_cmds, &sh3_cmds, sizeof (struct monitor_ops));
315 sh3e_cmds.target = &sh3e_ops;
316 sh3e_cmds.regnames = sh3e_regnames;
318 monitor_open (serial_port_name, &sh3e_cmds, from_tty);
320 if (parallel_port_name)
322 parallel = serial_open (parallel_port_name);
325 perror_with_name ("Unable to open parallel port.");
330 /* If we connected successfully, we know the processor is an SH3E. */
331 set_architecture_from_arch_mach (bfd_arch_sh, bfd_mach_sh3);
335 sh3_close (int quitting)
337 monitor_close (quitting);
340 serial_close (parallel);
346 _initialize_sh3_rom (void)
349 init_monitor_ops (&sh3_ops);
351 sh3_ops.to_shortname = "sh3";
352 sh3_ops.to_longname = "Hitachi SH-3 rom monitor";
355 /* We can download through the parallel port too. */
356 "Debug on a Hitachi eval board running the SH-3E rom monitor.\n"
357 "Specify the serial device it is connected to.\n"
358 "If you want to use the parallel port to download to it, specify that\n"
359 "as an additional second argument.";
361 sh3_ops.to_open = sh3_open;
362 sh3_ops.to_close = sh3_close;
364 add_target (&sh3_ops);
366 /* Setup the SH3e, which has float registers. */
368 init_monitor_ops (&sh3e_ops);
370 sh3e_ops.to_shortname = "sh3e";
371 sh3e_ops.to_longname = "Hitachi SH-3E rom monitor";
374 /* We can download through the parallel port too. */
375 "Debug on a Hitachi eval board running the SH-3E rom monitor.\n"
376 "Specify the serial device it is connected to.\n"
377 "If you want to use the parallel port to download to it, specify that\n"
378 "as an additional second argument.";
380 sh3e_ops.to_open = sh3e_open;
381 sh3e_ops.to_close = sh3_close;
383 add_target (&sh3e_ops);