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"
30 #include "gdb_string.h"
34 static struct serial
*parallel
;
35 static int parallel_in_use
;
37 static void sh3_open (char *args
, int from_tty
);
40 sh3_supply_register (char *regname
, int regnamelen
, char *val
, int vallen
)
53 if (regname
[1] == 'R')
57 if (regname
[1] == 'C')
59 else if (regname
[1] == 'R')
64 else if (regnamelen
== 3)
70 if (regname
[1] == 'B' && regname
[2] == 'R')
72 if (regname
[0] == 'G')
79 if (regname
[1] == 'S' && regname
[2] == 'R')
80 regno
= gdbarch_tdep (current_gdbarch
)->SSR_REGNUM
;
81 else if (regname
[1] == 'P' && regname
[2] == 'C')
82 regno
= gdbarch_tdep (current_gdbarch
)->SPC_REGNUM
;
86 else if (regnamelen
== 4)
91 if (regname
[1] == 'A' && regname
[2] == 'C')
93 if (regname
[3] == 'H')
95 else if (regname
[3] == 'L')
100 if (regname
[1] == '0' && regname
[2] == '-' && regname
[3] == '7')
107 else if (regnamelen
== 5)
109 if (regname
[1] == '8' && regname
[2] == '-' && regname
[3] == '1'
110 && regname
[4] == '5')
112 regno
= R0_REGNUM
+ 8;
116 else if (regnamelen
== 17)
121 while (numregs
-- > 0)
122 val
= monitor_supply_register (regno
++, val
);
126 sh3_load (struct serial
*desc
, char *file
, int hashmark
)
130 monitor_printf ("pl;s\r");
131 load_srec (parallel
, file
, 0, 80, SREC_ALL
, hashmark
, NULL
);
132 monitor_expect_prompt (NULL
, 0);
136 monitor_printf ("il;s:x\r");
137 monitor_expect ("\005", NULL
, 0); /* Look for ENQ */
138 serial_write (desc
, "\006", 1); /* Send ACK */
139 monitor_expect ("LO x\r", NULL
, 0); /* Look for filename */
141 load_srec (desc
, file
, 0, 80, SREC_ALL
, hashmark
, NULL
);
143 monitor_expect ("\005", NULL
, 0); /* Look for ENQ */
144 serial_write (desc
, "\006", 1); /* Send ACK */
145 monitor_expect_prompt (NULL
, 0);
149 /* This array of registers need to match the indexes used by GDB.
150 This exists because the various ROM monitors use different strings
151 than does GDB, and don't necessarily support all the registers
152 either. So, typing "info reg sp" becomes a "r30". */
154 static char *sh3_regnames
[] =
156 "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
157 "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15",
158 "PC", "PR", "GBR", "VBR", "MACH", "MACL", "SR",
160 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
161 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
163 "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
164 "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
165 "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
166 "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
169 static char *sh3e_regnames
[] =
171 "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
172 "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15",
173 "PC", "PR", "GBR", "VBR", "MACH", "MACL", "SR",
175 "FR0", "FR1", "FR2", "FR3", "FR4", "FR5", "FR6", "FR7",
176 "FR8", "FR9", "FR10", "FR11", "FR12", "FR13", "FR14", "FR15",
178 "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
179 "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
180 "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
181 "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
184 /* Define the monitor command strings. Since these are passed directly
185 through to a printf style function, we may include formatting
186 strings. We also need a CR or LF on the end. */
188 static struct target_ops sh3_ops
, sh3e_ops
;
190 static char *sh3_inits
[] =
191 {"\003", NULL
}; /* Exits sub-command mode & download cmds */
193 static struct monitor_ops sh3_cmds
;
198 sh3_cmds
.flags
= MO_CLR_BREAK_USES_ADDR
| MO_GETMEM_READ_SINGLE
; /* flags */
199 sh3_cmds
.init
= sh3_inits
; /* monitor init string */
200 sh3_cmds
.cont
= "g\r"; /* continue command */
201 sh3_cmds
.step
= "s\r"; /* single step */
202 sh3_cmds
.stop
= "\003"; /* Interrupt program */
203 sh3_cmds
.set_break
= "b %x\r"; /* set a breakpoint */
204 sh3_cmds
.clr_break
= "b -%x\r"; /* clear a breakpoint */
205 sh3_cmds
.clr_all_break
= "b -\r"; /* clear all breakpoints */
206 sh3_cmds
.fill
= "f %x @%x %x\r"; /* fill (start len val) */
207 sh3_cmds
.setmem
.cmdb
= "m %x %x\r"; /* setmem.cmdb (addr, value) */
208 sh3_cmds
.setmem
.cmdw
= "m %x %x;w\r"; /* setmem.cmdw (addr, value) */
209 sh3_cmds
.setmem
.cmdl
= "m %x %x;l\r"; /* setmem.cmdl (addr, value) */
210 sh3_cmds
.setmem
.cmdll
= NULL
; /* setmem.cmdll (addr, value) */
211 sh3_cmds
.setmem
.resp_delim
= NULL
; /* setreg.resp_delim */
212 sh3_cmds
.setmem
.term
= NULL
; /* setreg.term */
213 sh3_cmds
.setmem
.term_cmd
= NULL
; /* setreg.term_cmd */
214 sh3_cmds
.getmem
.cmdb
= "m %x\r"; /* getmem.cmdb (addr, len) */
215 sh3_cmds
.getmem
.cmdw
= "m %x;w\r"; /* getmem.cmdw (addr, len) */
216 sh3_cmds
.getmem
.cmdl
= "m %x;l\r"; /* getmem.cmdl (addr, len) */
217 sh3_cmds
.getmem
.cmdll
= NULL
; /* getmem.cmdll (addr, len) */
218 sh3_cmds
.getmem
.resp_delim
= "^ [0-9A-F]+ "; /* getmem.resp_delim */
219 sh3_cmds
.getmem
.term
= "? "; /* getmem.term */
220 sh3_cmds
.getmem
.term_cmd
= ".\r"; /* getmem.term_cmd */
221 sh3_cmds
.setreg
.cmd
= ".%s %x\r"; /* setreg.cmd (name, value) */
222 sh3_cmds
.setreg
.resp_delim
= NULL
; /* setreg.resp_delim */
223 sh3_cmds
.setreg
.term
= NULL
; /* setreg.term */
224 sh3_cmds
.setreg
.term_cmd
= NULL
; /* setreg.term_cmd */
225 sh3_cmds
.getreg
.cmd
= ".%s\r"; /* getreg.cmd (name) */
226 sh3_cmds
.getreg
.resp_delim
= "="; /* getreg.resp_delim */
227 sh3_cmds
.getreg
.term
= "? "; /* getreg.term */
228 sh3_cmds
.getreg
.term_cmd
= ".\r"; /* getreg.term_cmd */
229 sh3_cmds
.dump_registers
= "r\r"; /* dump_registers */
230 sh3_cmds
.register_pattern
= "\\(\\w+\\)=\\([0-9a-fA-F]+\\( +[0-9a-fA-F]+\\b\\)*\\)";
231 sh3_cmds
.supply_register
= sh3_supply_register
; /* supply_register */
232 sh3_cmds
.load_routine
= sh3_load
; /* load_routine */
233 sh3_cmds
.load
= NULL
; /* download command */
234 sh3_cmds
.loadresp
= NULL
; /* Load response */
235 sh3_cmds
.prompt
= "\n:"; /* monitor command prompt */
236 sh3_cmds
.line_term
= "\r"; /* end-of-line terminator */
237 sh3_cmds
.cmd_end
= ".\r"; /* optional command terminator */
238 sh3_cmds
.target
= &sh3_ops
; /* target operations */
239 sh3_cmds
.stopbits
= SERIAL_1_STOPBITS
; /* number of stop bits */
240 sh3_cmds
.regnames
= sh3_regnames
; /* registers names */
241 sh3_cmds
.magic
= MONITOR_OPS_MAGIC
; /* magic */
242 } /* init_sh3_cmds */
244 /* This monitor structure is identical except for a couple slots, so
245 we will fill it in from the base structure when needed. */
247 static struct monitor_ops sh3e_cmds
;
250 sh3_open (char *args
, int from_tty
)
252 char *serial_port_name
= args
;
253 char *parallel_port_name
= 0;
257 char *cursor
= serial_port_name
= xstrdup (args
);
259 while (*cursor
&& *cursor
!= ' ')
265 while (*cursor
== ' ')
269 parallel_port_name
= cursor
;
272 monitor_open (serial_port_name
, &sh3_cmds
, from_tty
);
274 if (parallel_port_name
)
276 parallel
= serial_open (parallel_port_name
);
279 perror_with_name ("Unable to open parallel port.");
284 /* If we connected successfully, we know the processor is an SH3. */
285 set_architecture_from_arch_mach (bfd_arch_sh
, bfd_mach_sh3
);
290 sh3e_open (char *args
, int from_tty
)
292 char *serial_port_name
= args
;
293 char *parallel_port_name
= 0;
297 char *cursor
= serial_port_name
= xstrdup (args
);
299 while (*cursor
&& *cursor
!= ' ')
305 while (*cursor
== ' ')
309 parallel_port_name
= cursor
;
312 /* Set up the SH-3E monitor commands structure. */
314 memcpy (&sh3e_cmds
, &sh3_cmds
, sizeof (struct monitor_ops
));
316 sh3e_cmds
.target
= &sh3e_ops
;
317 sh3e_cmds
.regnames
= sh3e_regnames
;
319 monitor_open (serial_port_name
, &sh3e_cmds
, from_tty
);
321 if (parallel_port_name
)
323 parallel
= serial_open (parallel_port_name
);
326 perror_with_name ("Unable to open parallel port.");
331 /* If we connected successfully, we know the processor is an SH3E. */
332 set_architecture_from_arch_mach (bfd_arch_sh
, bfd_mach_sh3
);
336 sh3_close (int quitting
)
338 monitor_close (quitting
);
341 serial_close (parallel
);
347 _initialize_sh3_rom (void)
350 init_monitor_ops (&sh3_ops
);
352 sh3_ops
.to_shortname
= "sh3";
353 sh3_ops
.to_longname
= "Hitachi SH-3 rom monitor";
356 /* We can download through the parallel port too. */
357 "Debug on a Hitachi eval board running the SH-3E rom monitor.\n"
358 "Specify the serial device it is connected to.\n"
359 "If you want to use the parallel port to download to it, specify that\n"
360 "as an additional second argument.";
362 sh3_ops
.to_open
= sh3_open
;
363 sh3_ops
.to_close
= sh3_close
;
365 add_target (&sh3_ops
);
367 /* Setup the SH3e, which has float registers. */
369 init_monitor_ops (&sh3e_ops
);
371 sh3e_ops
.to_shortname
= "sh3e";
372 sh3e_ops
.to_longname
= "Hitachi SH-3E rom monitor";
375 /* We can download through the parallel port too. */
376 "Debug on a Hitachi eval board running the SH-3E rom monitor.\n"
377 "Specify the serial device it is connected to.\n"
378 "If you want to use the parallel port to download to it, specify that\n"
379 "as an additional second argument.";
381 sh3e_ops
.to_open
= sh3e_open
;
382 sh3e_ops
.to_close
= sh3_close
;
384 add_target (&sh3e_ops
);
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