Commit | Line | Data |
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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 | ||
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, 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 | 29 | static 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 |
37 | static 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 |
49 | static void |
50 | w89k_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 |
158 | static int hashmark = 1; /* flag set by "set hash" */ |
159 | ||
160 | extern struct monitor_ops w89k_cmds; /* fwd decl */ | |
161 | ||
162 | static void | |
163 | w89k_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 |
240 | static struct target_ops w89k_ops; |
241 | ||
5de0c648 | 242 | static char *w89k_loadtypes[] = {"binary", NULL}; |
7952bce6 | 243 | static char *w89k_loadprotos[] = {"xmodem", NULL}; |
e8b73ba7 | 244 | |
3da4297e | 245 | static char *w89k_inits[] = {"\r", NULL}; |
1265e2d8 SG |
246 | |
247 | static 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 | |
306 | void | |
307 | w89k_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 | ||
314 | void | |
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\ | |
322 | Specify 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 | } |