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[deliverable/binutils-gdb.git] / gdb / w89k-rom.c
CommitLineData
50e183a2 1/* Remote target glue for the WinBond ROM monitor running on the "Cougar"
3da4297e 2 W89k eval board.
50e183a2 3
50e183a2
RS
4 Copyright 1988, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
5
6This file is part of GDB.
7
8This program is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 2 of the License, or
11(at your option) any later version.
12
13This program is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with this program; if not, write to the Free Software
20Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
21
e8b73ba7
RS
22#include "defs.h"
23#include "gdbcore.h"
24#include "target.h"
25#include "monitor.h"
3da4297e 26#include "serial.h"
5de0c648 27#include "xmodem.h"
e8b73ba7 28
3da4297e 29static void w89k_open PARAMS ((char *args, int from_tty));
27e889bf
RS
30
31/*
32 * this array of registers need to match the indexes used by GDB. The
33 * whole reason this exists is cause the various ROM monitors use
34 * different strings than GDB does, and doesn't support all the
35 * registers either. So, typing "info reg sp" becomes a "r30".
36 */
3da4297e
SG
37static char *w89k_regnames[NUM_REGS] =
38{
39 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
40 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
41 "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
42 "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
43 "SAR", "PC", NULL, NULL, NULL, "EIEM", "IIR", "IVA",
44 "IOR", "IPSW", NULL, NULL, NULL, NULL, NULL,
45 NULL, NULL, NULL, NULL, NULL, NULL, NULL,
46 "CCR", NULL, NULL, "TR0", "TR1",
27e889bf 47};
e8b73ba7 48
7952bce6
SG
49static void
50w89k_supply_register (regname, regnamelen, val, vallen)
51 char *regname;
52 int regnamelen;
53 char *val;
54 int vallen;
55{
56 int numregs;
57 int regno;
58
59 numregs = 1;
60 regno = -1;
61
62 if (regnamelen == 2)
63 switch (regname[0])
64 {
65 case 'r':
66 numregs = 4;
67 switch (regname[1])
68 {
69 case '0':
70 regno = R0_REGNUM;
71 break;
72 case '4':
73 regno = R0_REGNUM + 4;
74 break;
75 case '8':
76 regno = R0_REGNUM + 8;
77 break;
78 }
79 break;
80 case 'P':
81 if (regname[1] == 'C')
82 regno = PC_REGNUM;
83 break;
84 }
85 else if (regnamelen == 3)
86 switch (regname[0])
87 {
88 case 'r':
89 numregs = 4;
90 if (regname[1] == '1' && regname[2] == '2')
91 regno = R0_REGNUM + 12;
92 else if (regname[1] == '1' && regname[2] == '6')
93 regno = R0_REGNUM + 16;
94 else if (regname[1] == '2' && regname[2] == '0')
95 regno = R0_REGNUM + 20;
96 else if (regname[1] == '2' && regname[2] == '4')
97 regno = R0_REGNUM + 24;
98 else if (regname[1] == '2' && regname[2] == '8')
99 regno = R0_REGNUM + 28;
100 break;
101 case 'R':
102 if (regname[1] == 'C' && regname[2] == 'R')
103 regno = RCR_REGNUM;
104 break;
105 case 'C':
106 if (regname[1] == 'C' && regname[2] == 'R')
107 regno = CCR_REGNUM;
108 break;
109 case 'S':
110 if (regname[1] == 'A' && regname[2] == 'R')
111 regno = SAR_REGNUM;
112 break;
113 case 'I':
114 if (regname[1] == 'I' && regname[2] == 'R')
115 regno = IIR_REGNUM;
116 else if (regname[1] == 'O' && regname[2] == 'R')
117 regno = IOR_REGNUM;
118 break;
119 case 'T':
120 numregs = 4;
121 if (regname[1] == 'R')
122 if (regname[2] == '0')
123 regno = TR0_REGNUM;
124 else if (regname[2] == '4')
125 regno = TR0_REGNUM + 4;
126 break;
127 }
128 else if (regnamelen == 4)
129 switch (regname[0])
130 {
131 case 'E':
132 if (regname[1] == 'I')
133 if (regname[2] == 'E' && regname[3] == 'M')
134 regno = EIEM_REGNUM;
135 break;
136 case 'I':
137 if (regname[1] == 'P' && regname[2] == 'S' && regname[3] == 'W')
138 regno = IPSW_REGNUM;
139 break;
140 }
141 else if (regnamelen == 5)
142 switch (regname[0])
143 {
144 case 'I':
145 if (regname[1] == 'A'
146 && regname[2] == 'O'
147 && regname[3] == 'Q'
148 && regname[4] == 'B')
149 regno = PCOQ_TAIL_REGNUM;
150 break;
151 }
152
153 if (regno >= 0)
154 while (numregs-- > 0)
155 val = monitor_supply_register (regno++, val);
156}
157
5de0c648
SG
158static int hashmark = 1; /* flag set by "set hash" */
159
160extern struct monitor_ops w89k_cmds; /* fwd decl */
161
162static void
163w89k_load (desc, file, hashmark)
164 serial_t desc;
165 char *file;
166 int hashmark;
167{
168 bfd *abfd;
169 asection *s;
170 char *buffer;
171 int i;
172
173 buffer = alloca (XMODEM_PACKETSIZE);
174
175 abfd = bfd_openr (file, 0);
176 if (!abfd)
177 {
178 printf_filtered ("Unable to open file %s\n", file);
179 return;
180 }
181
182 if (bfd_check_format (abfd, bfd_object) == 0)
183 {
184 printf_filtered ("File is not an object file\n");
185 return;
186 }
187
188 for (s = abfd->sections; s; s = s->next)
189 if (s->flags & SEC_LOAD)
190 {
191 bfd_size_type section_size;
192
193 printf_filtered ("%s\t: 0x%4x .. 0x%4x ", s->name, s->vma,
194 s->vma + s->_raw_size);
195 gdb_flush (gdb_stdout);
196
197 monitor_printf (w89k_cmds.load, s->vma);
198 if (w89k_cmds.loadresp)
199 monitor_expect (w89k_cmds.loadresp, NULL, 0);
200
201 xmodem_init_xfer (desc);
202
203 section_size = bfd_section_size (abfd, s);
204
205 for (i = 0; i < section_size; i += XMODEM_DATASIZE)
206 {
207 int numbytes;
208
209 numbytes = min (XMODEM_DATASIZE, section_size - i);
210
211 bfd_get_section_contents (abfd, s, buffer + XMODEM_DATAOFFSET, i,
212 numbytes);
213
214 xmodem_send_packet (desc, buffer, numbytes, hashmark);
215
216 if (hashmark)
217 {
218 putchar_unfiltered ('#');
219 gdb_flush (gdb_stdout);
220 }
221 } /* Per-packet (or S-record) loop */
222
223 xmodem_finish_xfer (desc);
224
225 monitor_expect_prompt (NULL, 0);
226
227 putchar_unfiltered ('\n');
228 } /* Loadable sections */
229
230 if (hashmark)
231 putchar_unfiltered ('\n');
232}
233
e8b73ba7
RS
234/*
235 * Define the monitor command strings. Since these are passed directly
236 * through to a printf style function, we need can include formatting
237 * strings. We also need a CR or LF on the end.
238 */
239
3da4297e
SG
240static struct target_ops w89k_ops;
241
5de0c648 242static char *w89k_loadtypes[] = {"binary", NULL};
7952bce6 243static char *w89k_loadprotos[] = {"xmodem", NULL};
e8b73ba7 244
3da4297e 245static char *w89k_inits[] = {"\r", NULL};
1265e2d8
SG
246
247static struct monitor_ops w89k_cmds =
248{
7952bce6 249 MO_GETMEM_NEEDS_RANGE|MO_FILL_USES_ADDR, /* flags */
3da4297e
SG
250 w89k_inits, /* Init strings */
251 "g\r", /* continue command */
252 "t\r", /* single step */
253 NULL, /* Interrupt char */
254 "bp %x\r", /* set a breakpoint */
255 "bc %x\r", /* clear a breakpoint */
7952bce6
SG
256 "bc *\r", /* clear all breakpoints */
257 "f %x %x %x\r", /* memory fill cmd */
51d6a954 258 {
3da4297e
SG
259 "eb %x %x\r", /* setmem.cmdb (addr, value) */
260 "eh %x %x\r", /* setmem.cmdw (addr, value) */
261 "ew %x %x\r", /* setmem.cmdl (addr, value) */
262 NULL, /* setmem.cmdll (addr, value) */
263 NULL, /* setreg.resp_delim */
264 NULL, /* setreg.term */
265 NULL, /* setreg.term_cmd */
51d6a954
RS
266 },
267 {
3da4297e
SG
268 "db %x %x\r", /* getmem.cmdb (startaddr, endaddr) */
269 "dh %x %x\r", /* getmem.cmdw (startaddr, endaddr) */
270 "dw %x %x\r", /* getmem.cmdl (startaddr, endaddr) */
271 NULL, /* getmem.cmdll (startaddr, endaddr) */
272 " ", /* getmem.resp_delim */
273 NULL, /* getmem.term */
274 NULL, /* getmem.term_cmd */
51d6a954 275 },
e6fa5bd6 276 {
3da4297e
SG
277 "r %s %x\r", /* setreg.cmd (name, value) */
278 NULL, /* setreg.resp_delim */
279 NULL, /* setreg.term */
280 NULL, /* setreg.term_cmd */
27e889bf
RS
281 },
282 {
3da4297e
SG
283 "r %s\r", /* getreg.cmd (name) */
284 "\r", /* getreg.resp_delim */
285 NULL, /* getreg.term */
286 NULL, /* getreg.term_cmd */
27e889bf 287 },
7952bce6
SG
288 "r\r", /* dump_registers */
289 "\\(\\w+\\)\\( +[0-9a-fA-F]+\\b\\)+",
290 w89k_supply_register, /* supply_register */
5de0c648
SG
291 w89k_load, /* load routine */
292 "u %x\r", /* download command */
293 "\r", /* load response */
3da4297e
SG
294 "ROM>", /* monitor command prompt */
295 NULL, /* end-of-command delimitor */
296 NULL, /* optional command terminator */
297 &w89k_ops, /* target operations */
1265e2d8
SG
298 w89k_loadtypes, /* loadtypes */
299 w89k_loadprotos, /* loadprotos */
3da4297e 300 "9600", /* supported baud rates */
1265e2d8 301 SERIAL_1_STOPBITS, /* number of stop bits */
3da4297e
SG
302 w89k_regnames, /* register names */
303 MONITOR_OPS_MAGIC /* magic */
304 };
e8b73ba7
RS
305
306void
307w89k_open(args, from_tty)
308 char *args;
309 int from_tty;
310{
1265e2d8 311 monitor_open (args, &w89k_cmds, from_tty);
e8b73ba7
RS
312}
313
314void
315_initialize_w89k ()
316{
3da4297e 317 init_monitor_ops (&w89k_ops);
27e889bf 318
3da4297e
SG
319 w89k_ops.to_shortname = "w89k";
320 w89k_ops.to_longname = "WinBond's debug monitor for the W89k Eval board";
321 w89k_ops.to_doc = "Debug on a WinBond W89K eval board.\n\
322Specify the serial device it is connected to (e.g. /dev/ttya).";
323 w89k_ops.to_open = w89k_open;
324
325 add_target (&w89k_ops);
e8b73ba7 326}
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