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 (char *regname
, int regnamelen
, char *val
, int vallen
)
48 if (regname
[1] == 'R')
52 if (regname
[1] == 'C')
54 else if (regname
[1] == 'R')
59 else if (regnamelen
== 3)
65 if (regname
[1] == 'B' && regname
[2] == 'R')
67 if (regname
[0] == 'G')
74 if (regname
[1] == 'S' && regname
[2] == 'R')
75 regno
= gdbarch_tdep (current_gdbarch
)->SSR_REGNUM
;
76 else if (regname
[1] == 'P' && regname
[2] == 'C')
77 regno
= gdbarch_tdep (current_gdbarch
)->SPC_REGNUM
;
81 else if (regnamelen
== 4)
86 if (regname
[1] == 'A' && regname
[2] == 'C')
88 if (regname
[3] == 'H')
90 else if (regname
[3] == 'L')
95 if (regname
[1] == '0' && regname
[2] == '-' && regname
[3] == '7')
102 else if (regnamelen
== 5)
104 if (regname
[1] == '8' && regname
[2] == '-' && regname
[3] == '1'
105 && regname
[4] == '5')
107 regno
= R0_REGNUM
+ 8;
111 else if (regnamelen
== 17)
116 while (numregs
-- > 0)
117 val
= monitor_supply_register (regno
++, val
);
121 sh3_load (serial_t desc
, char *file
, int hashmark
)
125 monitor_printf ("pl;s\r");
126 load_srec (parallel
, file
, 0, 80, SREC_ALL
, hashmark
, NULL
);
127 monitor_expect_prompt (NULL
, 0);
131 monitor_printf ("il;s:x\r");
132 monitor_expect ("\005", NULL
, 0); /* Look for ENQ */
133 SERIAL_WRITE (desc
, "\006", 1); /* Send ACK */
134 monitor_expect ("LO x\r", NULL
, 0); /* Look for filename */
136 load_srec (desc
, file
, 0, 80, SREC_ALL
, hashmark
, NULL
);
138 monitor_expect ("\005", NULL
, 0); /* Look for ENQ */
139 SERIAL_WRITE (desc
, "\006", 1); /* Send ACK */
140 monitor_expect_prompt (NULL
, 0);
144 /* This array of registers need to match the indexes used by GDB.
145 This exists because the various ROM monitors use different strings
146 than does GDB, and don't necessarily support all the registers
147 either. So, typing "info reg sp" becomes a "r30". */
149 static char *sh3_regnames
[] =
151 "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
152 "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15",
153 "PC", "PR", "GBR", "VBR", "MACH", "MACL", "SR",
155 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
156 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
158 "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
159 "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
160 "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
161 "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
164 static char *sh3e_regnames
[] =
166 "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
167 "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15",
168 "PC", "PR", "GBR", "VBR", "MACH", "MACL", "SR",
170 "FR0", "FR1", "FR2", "FR3", "FR4", "FR5", "FR6", "FR7",
171 "FR8", "FR9", "FR10", "FR11", "FR12", "FR13", "FR14", "FR15",
173 "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
174 "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
175 "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
176 "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
179 /* Define the monitor command strings. Since these are passed directly
180 through to a printf style function, we may include formatting
181 strings. We also need a CR or LF on the end. */
183 static struct target_ops sh3_ops
, sh3e_ops
;
185 static char *sh3_inits
[] =
186 {"\003", NULL
}; /* Exits sub-command mode & download cmds */
188 static struct monitor_ops sh3_cmds
;
193 sh3_cmds
.flags
= MO_CLR_BREAK_USES_ADDR
| MO_GETMEM_READ_SINGLE
; /* flags */
194 sh3_cmds
.init
= sh3_inits
; /* monitor init string */
195 sh3_cmds
.cont
= "g\r"; /* continue command */
196 sh3_cmds
.step
= "s\r"; /* single step */
197 sh3_cmds
.stop
= "\003"; /* Interrupt program */
198 sh3_cmds
.set_break
= "b %x\r"; /* set a breakpoint */
199 sh3_cmds
.clr_break
= "b -%x\r"; /* clear a breakpoint */
200 sh3_cmds
.clr_all_break
= "b -\r"; /* clear all breakpoints */
201 sh3_cmds
.fill
= "f %x @%x %x\r"; /* fill (start len val) */
202 sh3_cmds
.setmem
.cmdb
= "m %x %x\r"; /* setmem.cmdb (addr, value) */
203 sh3_cmds
.setmem
.cmdw
= "m %x %x;w\r"; /* setmem.cmdw (addr, value) */
204 sh3_cmds
.setmem
.cmdl
= "m %x %x;l\r"; /* setmem.cmdl (addr, value) */
205 sh3_cmds
.setmem
.cmdll
= NULL
; /* setmem.cmdll (addr, value) */
206 sh3_cmds
.setmem
.resp_delim
= NULL
; /* setreg.resp_delim */
207 sh3_cmds
.setmem
.term
= NULL
; /* setreg.term */
208 sh3_cmds
.setmem
.term_cmd
= NULL
; /* setreg.term_cmd */
209 sh3_cmds
.getmem
.cmdb
= "m %x\r"; /* getmem.cmdb (addr, len) */
210 sh3_cmds
.getmem
.cmdw
= "m %x;w\r"; /* getmem.cmdw (addr, len) */
211 sh3_cmds
.getmem
.cmdl
= "m %x;l\r"; /* getmem.cmdl (addr, len) */
212 sh3_cmds
.getmem
.cmdll
= NULL
; /* getmem.cmdll (addr, len) */
213 sh3_cmds
.getmem
.resp_delim
= "^ [0-9A-F]+ "; /* getmem.resp_delim */
214 sh3_cmds
.getmem
.term
= "? "; /* getmem.term */
215 sh3_cmds
.getmem
.term_cmd
= ".\r"; /* getmem.term_cmd */
216 sh3_cmds
.setreg
.cmd
= ".%s %x\r"; /* setreg.cmd (name, value) */
217 sh3_cmds
.setreg
.resp_delim
= NULL
; /* setreg.resp_delim */
218 sh3_cmds
.setreg
.term
= NULL
; /* setreg.term */
219 sh3_cmds
.setreg
.term_cmd
= NULL
; /* setreg.term_cmd */
220 sh3_cmds
.getreg
.cmd
= ".%s\r"; /* getreg.cmd (name) */
221 sh3_cmds
.getreg
.resp_delim
= "="; /* getreg.resp_delim */
222 sh3_cmds
.getreg
.term
= "? "; /* getreg.term */
223 sh3_cmds
.getreg
.term_cmd
= ".\r"; /* getreg.term_cmd */
224 sh3_cmds
.dump_registers
= "r\r"; /* dump_registers */
225 sh3_cmds
.register_pattern
= "\\(\\w+\\)=\\([0-9a-fA-F]+\\( +[0-9a-fA-F]+\\b\\)*\\)";
226 sh3_cmds
.supply_register
= sh3_supply_register
; /* supply_register */
227 sh3_cmds
.load_routine
= sh3_load
; /* load_routine */
228 sh3_cmds
.load
= NULL
; /* download command */
229 sh3_cmds
.loadresp
= NULL
; /* Load response */
230 sh3_cmds
.prompt
= "\n:"; /* monitor command prompt */
231 sh3_cmds
.line_term
= "\r"; /* end-of-line terminator */
232 sh3_cmds
.cmd_end
= ".\r"; /* optional command terminator */
233 sh3_cmds
.target
= &sh3_ops
; /* target operations */
234 sh3_cmds
.stopbits
= SERIAL_1_STOPBITS
; /* number of stop bits */
235 sh3_cmds
.regnames
= sh3_regnames
; /* registers names */
236 sh3_cmds
.magic
= MONITOR_OPS_MAGIC
; /* magic */
237 } /* init_sh3_cmds */
239 /* This monitor structure is identical except for a couple slots, so
240 we will fill it in from the base structure when needed. */
242 static struct monitor_ops sh3e_cmds
;
245 sh3_open (char *args
, int from_tty
)
247 char *serial_port_name
= args
;
248 char *parallel_port_name
= 0;
252 char *cursor
= serial_port_name
= strsave (args
);
254 while (*cursor
&& *cursor
!= ' ')
260 while (*cursor
== ' ')
264 parallel_port_name
= cursor
;
267 monitor_open (serial_port_name
, &sh3_cmds
, from_tty
);
269 if (parallel_port_name
)
271 parallel
= SERIAL_OPEN (parallel_port_name
);
274 perror_with_name ("Unable to open parallel port.");
279 /* If we connected successfully, we know the processor is an SH3. */
280 set_architecture_from_arch_mach (bfd_arch_sh
, bfd_mach_sh3
);
285 sh3e_open (char *args
, int from_tty
)
287 char *serial_port_name
= args
;
288 char *parallel_port_name
= 0;
292 char *cursor
= serial_port_name
= strsave (args
);
294 while (*cursor
&& *cursor
!= ' ')
300 while (*cursor
== ' ')
304 parallel_port_name
= cursor
;
307 /* Set up the SH-3E monitor commands structure. */
309 memcpy (&sh3e_cmds
, &sh3_cmds
, sizeof (struct monitor_ops
));
311 sh3e_cmds
.target
= &sh3e_ops
;
312 sh3e_cmds
.regnames
= sh3e_regnames
;
314 monitor_open (serial_port_name
, &sh3e_cmds
, from_tty
);
316 if (parallel_port_name
)
318 parallel
= SERIAL_OPEN (parallel_port_name
);
321 perror_with_name ("Unable to open parallel port.");
326 /* If we connected successfully, we know the processor is an SH3E. */
327 set_architecture_from_arch_mach (bfd_arch_sh
, bfd_mach_sh3
);
331 sh3_close (int quitting
)
333 monitor_close (quitting
);
336 SERIAL_CLOSE (parallel
);
342 _initialize_sh3_rom (void)
345 init_monitor_ops (&sh3_ops
);
347 sh3_ops
.to_shortname
= "sh3";
348 sh3_ops
.to_longname
= "Hitachi SH-3 rom monitor";
352 /* On windows we can talk through the parallel port too. */
353 "Debug on a Hitachi eval board running the SH-3 rom monitor.\n"
354 "Specify the serial device it is connected to (e.g. com2).\n"
355 "If you want to use the parallel port to download to it, specify that\n"
356 "as the second argument. (e.g. lpt1)";
358 "Debug on a Hitachi eval board running the SH-3 rom monitor.\n\
359 Specify the serial device it is connected to (e.g. /dev/ttya).";
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";
376 /* On windows we can talk through the parallel port too. */
377 "Debug on a Hitachi eval board running the SH-3E rom monitor.\n"
378 "Specify the serial device it is connected to (e.g. com2).\n"
379 "If you want to use the parallel port to download to it, specify that\n"
380 "as the second argument. (e.g. lpt1)";
382 "Debug on a Hitachi eval board running the SH-3E rom monitor.\n\
383 Specify the serial device it is connected to (e.g. /dev/ttya).";
386 sh3e_ops
.to_open
= sh3e_open
;
387 sh3e_ops
.to_close
= sh3_close
;
389 add_target (&sh3e_ops
);
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