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1480482a 1/* Remote target glue for the Hitachi SH-3 ROM monitor.
c84e5000 2 Copyright 1995, 1996 Free Software Foundation, Inc.
1480482a
SG
3
4This file is part of GDB.
5
6This program is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2 of the License, or
9(at your option) any later version.
10
11This program is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with this program; if not, write to the Free Software
18Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
19
20#include "defs.h"
21#include "gdbcore.h"
22#include "target.h"
23#include "monitor.h"
24#include "serial.h"
5c8ba017 25#include "srec.h"
1480482a 26
c84e5000
SC
27static serial_t parallel;
28static int parallel_in_use;
29
1480482a
SG
30static void sh3_open PARAMS ((char *args, int from_tty));
31
32static void
33sh3_supply_register (regname, regnamelen, val, vallen)
34 char *regname;
35 int regnamelen;
36 char *val;
37 int vallen;
38{
39 int numregs;
40 int regno;
41
42 numregs = 1;
43 regno = -1;
44
45 if (regnamelen == 2)
00dd4fd9
SS
46 {
47 switch (regname[0])
48 {
49 case 'S':
50 if (regname[1] == 'R')
51 regno = SR_REGNUM;
52 break;
53 case 'P':
54 if (regname[1] == 'C')
55 regno = PC_REGNUM;
56 else if (regname[1] == 'R')
57 regno = PR_REGNUM;
58 break;
59 }
60 }
1480482a 61 else if (regnamelen == 3)
00dd4fd9
SS
62 {
63 switch (regname[0])
64 {
65 case 'G':
66 case 'V':
67 if (regname[1] == 'B' && regname[2] == 'R')
68 if (regname[0] == 'G')
69 regno = VBR_REGNUM;
70 else
71 regno = GBR_REGNUM;
72 break;
00dd4fd9
SS
73 case 'S':
74 if (regname[1] == 'S' && regname[2] == 'R')
75 regno = SSR_REGNUM;
76 else if (regname[1] == 'P' && regname[2] == 'C')
77 regno = SPC_REGNUM;
78 break;
00dd4fd9
SS
79 }
80 }
1480482a 81 else if (regnamelen == 4)
00dd4fd9
SS
82 {
83 switch (regname[0])
84 {
85 case 'M':
86 if (regname[1] == 'A' && regname[2] == 'C')
87 if (regname[3] == 'H')
88 regno = MACH_REGNUM;
89 else if (regname[3] == 'L')
90 regno = MACL_REGNUM;
91 break;
92 case 'R':
93 if (regname[1] == '0' && regname[2] == '-' && regname[3] == '7')
94 {
95 regno = R0_REGNUM;
96 numregs = 8;
97 }
98 }
99 }
1480482a 100 else if (regnamelen == 5)
00dd4fd9
SS
101 {
102 if (regname[1] == '8' && regname[2] == '-' && regname[3] == '1'
103 && regname[4] =='5')
104 {
105 regno = R0_REGNUM + 8;
106 numregs = 8;
107 }
108 }
12ffa10c
SS
109 else if (regnamelen == 17)
110 {
111 }
112
1480482a
SG
113 if (regno >= 0)
114 while (numregs-- > 0)
115 val = monitor_supply_register (regno++, val);
116}
117
5c8ba017
SG
118static void
119sh3_load (desc, file, hashmark)
120 serial_t desc;
121 char *file;
122 int hashmark;
123{
c84e5000
SC
124 if (parallel_in_use)
125 {
126 monitor_printf("pl;s\r");
eb28c55a 127 load_srec (parallel, file, 0, 80, SREC_ALL, hashmark, NULL);
c84e5000
SC
128 monitor_expect_prompt (NULL, 0);
129 }
130 else
131 {
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 */
5c8ba017 136
eb28c55a 137 load_srec (desc, file, 0, 80, SREC_ALL, hashmark, NULL);
5c8ba017 138
c84e5000
SC
139 monitor_expect ("\005", NULL, 0); /* Look for ENQ */
140 SERIAL_WRITE (desc, "\006", 1); /* Send ACK */
141 monitor_expect_prompt (NULL, 0);
142 }
5c8ba017
SG
143}
144
1480482a
SG
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". */
149
150static char *sh3_regnames[NUM_REGS] = {
00dd4fd9
SS
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",
12ffa10c
SS
154 NULL, NULL,
155 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
156 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
05535e79
SS
157 "SSR", "SPC",
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",
12ffa10c 161 "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
05535e79
SS
162};
163
164static char *sh3e_regnames[NUM_REGS] = {
165 "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
166 "R8", "R9", "R10", "R11","R12", "R13", "R14", "R15",
167 "PC", "PR", "GBR", "VBR","MACH","MACL", "SR",
12ffa10c
SS
168 "FPUL", "FPSCR",
169 "FR0", "FR1", "FR2", "FR3", "FR4", "FR5", "FR6", "FR7",
170 "FR8", "FR9", "FR10", "FR11", "FR12", "FR13", "FR14", "FR15",
05535e79 171 "SSR","SPC",
00dd4fd9
SS
172 "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
173 "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
174 "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
12ffa10c 175 "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
00dd4fd9 176};
1480482a
SG
177
178/* Define the monitor command strings. Since these are passed directly
179 through to a printf style function, we may include formatting
180 strings. We also need a CR or LF on the end. */
181
05535e79 182static struct target_ops sh3_ops, sh3e_ops;
1480482a
SG
183
184static char *sh3_inits[] = {"\003", NULL}; /* Exits sub-command mode & download cmds */
185
adc176bb 186static struct monitor_ops sh3_cmds ;
ba4d67c2
FN
187
188static void
189init_sh3_cmds(void)
1480482a 190{
adc176bb
JM
191 sh3_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_GETMEM_READ_SINGLE ; /* flags */
192 sh3_cmds.init = sh3_inits; /* monitor init string */
193 sh3_cmds.cont = "g\r"; /* continue command */
194 sh3_cmds.step = "s\r"; /* single step */
195 sh3_cmds.stop = "\003"; /* Interrupt program */
196 sh3_cmds.set_break = "b %x\r"; /* set a breakpoint */
197 sh3_cmds.clr_break = "b -%x\r"; /* clear a breakpoint */
198 sh3_cmds.clr_all_break = "b -\r"; /* clear all breakpoints */
199 sh3_cmds.fill = "f %x @%x %x\r"; /* fill (start len val) */
200 sh3_cmds.setmem.cmdb = "m %x %x\r"; /* setmem.cmdb (addr, value) */
201 sh3_cmds.setmem.cmdw = "m %x %x;w\r"; /* setmem.cmdw (addr, value) */
202 sh3_cmds.setmem.cmdl = "m %x %x;l\r"; /* setmem.cmdl (addr, value) */
203 sh3_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
204 sh3_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */
205 sh3_cmds.setmem.term = NULL; /* setreg.term */
206 sh3_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */
207 sh3_cmds.getmem.cmdb = "m %x\r"; /* getmem.cmdb (addr, len) */
208 sh3_cmds.getmem.cmdw = "m %x;w\r"; /* getmem.cmdw (addr, len) */
209 sh3_cmds.getmem.cmdl = "m %x;l\r"; /* getmem.cmdl (addr, len) */
210 sh3_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
211 sh3_cmds.getmem.resp_delim = "^ [0-9A-F]+ "; /* getmem.resp_delim */
212 sh3_cmds.getmem.term = "? "; /* getmem.term */
213 sh3_cmds.getmem.term_cmd = ".\r"; /* getmem.term_cmd */
214 sh3_cmds.setreg.cmd = ".%s %x\r"; /* setreg.cmd (name, value) */
215 sh3_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
216 sh3_cmds.setreg.term = NULL; /* setreg.term */
217 sh3_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
218 sh3_cmds.getreg.cmd = ".%s\r"; /* getreg.cmd (name) */
219 sh3_cmds.getreg.resp_delim = "="; /* getreg.resp_delim */
220 sh3_cmds.getreg.term = "? "; /* getreg.term */
221 sh3_cmds.getreg.term_cmd = ".\r" ; /* getreg.term_cmd */
222 sh3_cmds.dump_registers = "r\r"; /* dump_registers */
223 sh3_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\( +[0-9a-fA-F]+\\b\\)*\\)";
224 sh3_cmds.supply_register = sh3_supply_register ; /* supply_register */
225 sh3_cmds.load_routine = sh3_load; /* load_routine */
226 sh3_cmds.load = NULL; /* download command */
227 sh3_cmds.loadresp = NULL; /* Load response */
228 sh3_cmds.prompt = "\n:"; /* monitor command prompt */
229 sh3_cmds.line_term = "\r"; /* end-of-line terminator */
230 sh3_cmds.cmd_end = ".\r"; /* optional command terminator */
231 sh3_cmds.target = &sh3_ops; /* target operations */
232 sh3_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
233 sh3_cmds.regnames = sh3_regnames; /* registers names */
234 sh3_cmds.magic = MONITOR_OPS_MAGIC ; /* magic */
235} /* init_sh3_cmds */
1480482a 236
05535e79
SS
237/* This monitor structure is identical except for a couple slots, so
238 we will fill it in from the base structure when needed. */
239
240static struct monitor_ops sh3e_cmds;
241
1480482a
SG
242static void
243sh3_open (args, from_tty)
244 char *args;
245 int from_tty;
246{
c84e5000
SC
247 char *serial_port_name = args;
248 char *parallel_port_name = 0;
00dd4fd9 249
c84e5000
SC
250 if (args)
251 {
00dd4fd9 252 char *cursor = serial_port_name = strsave (args);
c84e5000
SC
253
254 while (*cursor && *cursor != ' ')
255 cursor++;
256
257 if (*cursor)
258 *cursor++ = 0;
259
260 while (*cursor == ' ')
261 cursor++;
262
263 if (*cursor)
264 parallel_port_name = cursor;
265 }
266
267 monitor_open (serial_port_name, &sh3_cmds, from_tty);
268
269 if (parallel_port_name)
270 {
271 parallel = SERIAL_OPEN (parallel_port_name);
00dd4fd9 272
c84e5000 273 if (!parallel)
00dd4fd9
SS
274 perror_with_name ("Unable to open parallel port.");
275
c84e5000
SC
276 parallel_in_use = 1;
277 }
00dd4fd9
SS
278
279 /* If we connected successfully, we know the processor is an SH3. */
ee36741e 280 set_architecture_from_arch_mach (bfd_arch_sh, bfd_mach_sh3);
c84e5000
SC
281}
282
283
05535e79
SS
284static void
285sh3e_open (args, from_tty)
286 char *args;
287 int from_tty;
288{
289 char *serial_port_name = args;
290 char *parallel_port_name = 0;
291
292 if (args)
293 {
294 char *cursor = serial_port_name = strsave (args);
295
296 while (*cursor && *cursor != ' ')
297 cursor++;
298
299 if (*cursor)
300 *cursor++ = 0;
301
302 while (*cursor == ' ')
303 cursor++;
304
305 if (*cursor)
306 parallel_port_name = cursor;
307 }
308
309 /* Set up the SH-3E monitor commands structure. */
310
311 memcpy (&sh3e_cmds, &sh3_cmds, sizeof (struct monitor_ops));
312
313 sh3e_cmds.target = &sh3e_ops;
314 sh3e_cmds.regnames = sh3e_regnames;
315
316 monitor_open (serial_port_name, &sh3e_cmds, from_tty);
317
318 if (parallel_port_name)
319 {
320 parallel = SERIAL_OPEN (parallel_port_name);
321
322 if (!parallel)
323 perror_with_name ("Unable to open parallel port.");
324
325 parallel_in_use = 1;
326 }
327
328 /* If we connected successfully, we know the processor is an SH3E. */
ee36741e 329 set_architecture_from_arch_mach (bfd_arch_sh, bfd_mach_sh3);
05535e79
SS
330}
331
c84e5000
SC
332static void
333sh3_close (quitting)
334 int quitting;
335{
336 monitor_close (quitting);
337 if (parallel_in_use) {
338 SERIAL_CLOSE (parallel);
339 parallel_in_use = 0;
340 }
1480482a
SG
341}
342
343void
05535e79 344_initialize_sh3_rom ()
1480482a 345{
adc176bb 346 init_sh3_cmds() ;
1480482a
SG
347 init_monitor_ops (&sh3_ops);
348
349 sh3_ops.to_shortname = "sh3";
350 sh3_ops.to_longname = "Hitachi SH-3 rom monitor";
c84e5000
SC
351
352 sh3_ops.to_doc =
353#ifdef _WINDOWS
354 /* On windows we can talk through the parallel port too. */
355 "Debug on a Hitachi eval board running the SH-3 rom monitor.\n"
356 "Specify the serial device it is connected to (e.g. com2).\n"
357 "If you want to use the parallel port to download to it, specify that\n"
358 "as the second argument. (e.g. lpt1)";
359#else
360 "Debug on a Hitachi eval board running the SH-3 rom monitor.\n\
1480482a 361Specify the serial device it is connected to (e.g. /dev/ttya).";
c84e5000
SC
362#endif
363
1480482a 364 sh3_ops.to_open = sh3_open;
c84e5000 365 sh3_ops.to_close = sh3_close;
1480482a
SG
366
367 add_target (&sh3_ops);
05535e79
SS
368
369 /* Setup the SH3e, which has float registers. */
370
371 init_monitor_ops (&sh3e_ops);
372
373 sh3e_ops.to_shortname = "sh3e";
374 sh3e_ops.to_longname = "Hitachi SH-3E rom monitor";
375
376 sh3e_ops.to_doc =
377#ifdef _WINDOWS
378 /* On windows we can talk through the parallel port too. */
379 "Debug on a Hitachi eval board running the SH-3E rom monitor.\n"
380 "Specify the serial device it is connected to (e.g. com2).\n"
381 "If you want to use the parallel port to download to it, specify that\n"
382 "as the second argument. (e.g. lpt1)";
383#else
384 "Debug on a Hitachi eval board running the SH-3E rom monitor.\n\
385Specify the serial device it is connected to (e.g. /dev/ttya).";
386#endif
387
388 sh3e_ops.to_open = sh3e_open;
389 sh3e_ops.to_close = sh3_close;
390
391 add_target (&sh3e_ops);
1480482a 392}