Commit | Line | Data |
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c906108c SS |
1 | /* Remote target glue for the WinBond ROM monitor running on the "Cougar" |
2 | W89k eval board. | |
3 | ||
4 | Copyright 1995 Free Software Foundation, Inc. | |
5 | ||
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
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. | |
c906108c | 12 | |
c5aa993b JM |
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. | |
c906108c | 17 | |
c5aa993b JM |
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., 59 Temple Place - Suite 330, | |
21 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
22 | |
23 | #include "defs.h" | |
24 | #include "gdbcore.h" | |
25 | #include "target.h" | |
26 | #include "monitor.h" | |
27 | #include "serial.h" | |
28 | #include "xmodem.h" | |
29 | ||
30 | ||
a14ed312 | 31 | static void w89k_open (char *args, int from_tty); |
c906108c SS |
32 | |
33 | /* | |
34 | * this array of registers need to match the indexes used by GDB. The | |
35 | * whole reason this exists is cause the various ROM monitors use | |
36 | * different strings than GDB does, and doesn't support all the | |
37 | * registers either. So, typing "info reg sp" becomes a "r30". | |
38 | */ | |
39 | ||
40 | static char *w89k_regnames[NUM_REGS] = | |
41 | { | |
42 | "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", | |
43 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", | |
44 | "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", | |
45 | "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", | |
46 | "SAR", "PC", NULL, NULL, NULL, "EIEM", "IIR", "IVA", | |
47 | "IOR", "IPSW", NULL, NULL, NULL, NULL, NULL, | |
48 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
49 | "CCR", NULL, NULL, "TR0", "TR1", | |
50 | }; | |
51 | ||
52 | static void | |
53 | w89k_supply_register (regname, regnamelen, val, vallen) | |
54 | char *regname; | |
55 | int regnamelen; | |
56 | char *val; | |
57 | int vallen; | |
58 | { | |
59 | int numregs; | |
60 | int regno; | |
61 | ||
62 | numregs = 1; | |
63 | regno = -1; | |
64 | ||
65 | if (regnamelen == 2) | |
66 | switch (regname[0]) | |
67 | { | |
68 | case 'r': | |
69 | numregs = 4; | |
70 | switch (regname[1]) | |
71 | { | |
72 | case '0': | |
73 | regno = R0_REGNUM; | |
74 | break; | |
75 | case '4': | |
76 | regno = R0_REGNUM + 4; | |
77 | break; | |
78 | case '8': | |
79 | regno = R0_REGNUM + 8; | |
80 | break; | |
81 | } | |
82 | break; | |
83 | case 'P': | |
84 | if (regname[1] == 'C') | |
85 | regno = PC_REGNUM; | |
86 | break; | |
87 | } | |
88 | else if (regnamelen == 3) | |
89 | switch (regname[0]) | |
90 | { | |
91 | case 'r': | |
92 | numregs = 4; | |
93 | if (regname[1] == '1' && regname[2] == '2') | |
94 | regno = R0_REGNUM + 12; | |
95 | else if (regname[1] == '1' && regname[2] == '6') | |
96 | regno = R0_REGNUM + 16; | |
97 | else if (regname[1] == '2' && regname[2] == '0') | |
98 | regno = R0_REGNUM + 20; | |
99 | else if (regname[1] == '2' && regname[2] == '4') | |
100 | regno = R0_REGNUM + 24; | |
101 | else if (regname[1] == '2' && regname[2] == '8') | |
102 | regno = R0_REGNUM + 28; | |
103 | break; | |
104 | case 'R': | |
105 | if (regname[1] == 'C' && regname[2] == 'R') | |
106 | regno = RCR_REGNUM; | |
107 | break; | |
108 | case 'C': | |
109 | if (regname[1] == 'C' && regname[2] == 'R') | |
110 | regno = CCR_REGNUM; | |
111 | break; | |
112 | case 'S': | |
113 | if (regname[1] == 'A' && regname[2] == 'R') | |
114 | regno = SAR_REGNUM; | |
115 | break; | |
116 | case 'I': | |
117 | if (regname[1] == 'I' && regname[2] == 'R') | |
118 | regno = IIR_REGNUM; | |
119 | else if (regname[1] == 'O' && regname[2] == 'R') | |
120 | regno = IOR_REGNUM; | |
121 | break; | |
122 | case 'T': | |
123 | numregs = 4; | |
124 | if (regname[1] == 'R') | |
125 | if (regname[2] == '0') | |
126 | regno = TR0_REGNUM; | |
127 | else if (regname[2] == '4') | |
128 | regno = TR0_REGNUM + 4; | |
129 | break; | |
130 | } | |
131 | else if (regnamelen == 4) | |
132 | switch (regname[0]) | |
133 | { | |
134 | case 'E': | |
135 | if (regname[1] == 'I') | |
136 | if (regname[2] == 'E' && regname[3] == 'M') | |
137 | regno = EIEM_REGNUM; | |
138 | break; | |
139 | case 'I': | |
140 | if (regname[1] == 'P' && regname[2] == 'S' && regname[3] == 'W') | |
141 | regno = IPSW_REGNUM; | |
142 | break; | |
143 | } | |
144 | else if (regnamelen == 5) | |
145 | switch (regname[0]) | |
146 | { | |
147 | case 'I': | |
148 | if (regname[1] == 'A' | |
149 | && regname[2] == 'O' | |
150 | && regname[3] == 'Q' | |
151 | && regname[4] == 'B') | |
152 | regno = PCOQ_TAIL_REGNUM; | |
153 | break; | |
154 | } | |
155 | ||
156 | if (regno >= 0) | |
157 | while (numregs-- > 0) | |
158 | val = monitor_supply_register (regno++, val); | |
159 | } | |
160 | ||
161 | static int hashmark = 1; /* flag set by "set hash" */ | |
162 | ||
c5aa993b | 163 | extern struct monitor_ops w89k_cmds; /* fwd decl */ |
c906108c SS |
164 | |
165 | static void | |
166 | w89k_load (desc, file, hashmark) | |
167 | serial_t desc; | |
168 | char *file; | |
169 | int hashmark; | |
170 | { | |
171 | bfd *abfd; | |
172 | asection *s; | |
173 | char *buffer; | |
174 | int i; | |
175 | ||
176 | buffer = alloca (XMODEM_PACKETSIZE); | |
177 | ||
178 | abfd = bfd_openr (file, 0); | |
179 | if (!abfd) | |
180 | { | |
181 | printf_filtered ("Unable to open file %s\n", file); | |
182 | return; | |
183 | } | |
184 | ||
185 | if (bfd_check_format (abfd, bfd_object) == 0) | |
186 | { | |
187 | printf_filtered ("File is not an object file\n"); | |
188 | return; | |
189 | } | |
c5aa993b | 190 | |
c906108c SS |
191 | for (s = abfd->sections; s; s = s->next) |
192 | if (s->flags & SEC_LOAD) | |
193 | { | |
194 | bfd_size_type section_size; | |
195 | ||
196 | printf_filtered ("%s\t: 0x%4x .. 0x%4x ", s->name, s->vma, | |
197 | s->vma + s->_raw_size); | |
198 | gdb_flush (gdb_stdout); | |
199 | ||
200 | monitor_printf (w89k_cmds.load, s->vma); | |
201 | if (w89k_cmds.loadresp) | |
202 | monitor_expect (w89k_cmds.loadresp, NULL, 0); | |
203 | ||
204 | xmodem_init_xfer (desc); | |
205 | ||
206 | section_size = bfd_section_size (abfd, s); | |
207 | ||
208 | for (i = 0; i < section_size; i += XMODEM_DATASIZE) | |
209 | { | |
210 | int numbytes; | |
211 | ||
212 | numbytes = min (XMODEM_DATASIZE, section_size - i); | |
213 | ||
214 | bfd_get_section_contents (abfd, s, buffer + XMODEM_DATAOFFSET, i, | |
215 | numbytes); | |
216 | ||
217 | xmodem_send_packet (desc, buffer, numbytes, hashmark); | |
218 | ||
219 | if (hashmark) | |
220 | { | |
221 | putchar_unfiltered ('#'); | |
222 | gdb_flush (gdb_stdout); | |
223 | } | |
224 | } /* Per-packet (or S-record) loop */ | |
225 | ||
226 | xmodem_finish_xfer (desc); | |
227 | ||
228 | monitor_expect_prompt (NULL, 0); | |
229 | ||
230 | putchar_unfiltered ('\n'); | |
231 | } /* Loadable sections */ | |
c5aa993b JM |
232 | |
233 | if (hashmark) | |
c906108c SS |
234 | putchar_unfiltered ('\n'); |
235 | } | |
236 | ||
237 | /* | |
238 | * Define the monitor command strings. Since these are passed directly | |
239 | * through to a printf style function, we need can include formatting | |
240 | * strings. We also need a CR or LF on the end. | |
241 | */ | |
242 | ||
243 | static struct target_ops w89k_ops; | |
244 | ||
c5aa993b JM |
245 | static char *w89k_inits[] = |
246 | {"\n", NULL}; | |
c906108c | 247 | |
c5aa993b | 248 | static struct monitor_ops w89k_cmds; |
c906108c | 249 | static void |
c5aa993b | 250 | init_w89k_cmds (void) |
c906108c | 251 | { |
c5aa993b JM |
252 | w89k_cmds.flags = MO_GETMEM_NEEDS_RANGE | MO_FILL_USES_ADDR; /* flags */ |
253 | w89k_cmds.init = w89k_inits; /* Init strings */ | |
254 | w89k_cmds.cont = "g\n"; /* continue command */ | |
255 | w89k_cmds.step = "t\n"; /* single step */ | |
256 | w89k_cmds.stop = "\003"; /* Interrupt char (^C) */ | |
257 | w89k_cmds.set_break = "bp %x\n"; /* set a breakpoint */ | |
258 | w89k_cmds.clr_break = "bc %x\n"; /* clear a breakpoint */ | |
259 | w89k_cmds.clr_all_break = "bc *\n"; /* clear all breakpoints */ | |
260 | w89k_cmds.fill = "f %x %x %x\n"; /* memory fill cmd */ | |
261 | w89k_cmds.setmem.cmdb = "eb %x %x\n"; /* setmem.cmdb (addr, value) */ | |
262 | w89k_cmds.setmem.cmdw = "eh %x %x\n"; /* setmem.cmdw (addr, value) */ | |
263 | w89k_cmds.setmem.cmdl = "ew %x %x\n"; /* setmem.cmdl (addr, value) */ | |
264 | w89k_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */ | |
265 | w89k_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */ | |
266 | w89k_cmds.setmem.term = NULL; /* setreg.term */ | |
267 | w89k_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */ | |
268 | w89k_cmds.getmem.cmdb = "db %x %x\n"; /* getmem.cmdb (startaddr, endaddr) */ | |
269 | w89k_cmds.getmem.cmdw = "dh %x %x\n"; /* getmem.cmdw (startaddr, endaddr) */ | |
270 | w89k_cmds.getmem.cmdl = "dw %x %x\n"; /* getmem.cmdl (startaddr, endaddr) */ | |
271 | w89k_cmds.getmem.cmdll = NULL; /* getmem.cmdll (startaddr, endaddr) */ | |
272 | w89k_cmds.getmem.resp_delim = " "; /* getmem.resp_delim */ | |
273 | w89k_cmds.getmem.term = NULL; /* getmem.term */ | |
274 | w89k_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */ | |
275 | w89k_cmds.setreg.cmd = "r %s %x\n"; /* setreg.cmd (name, value) */ | |
276 | w89k_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */ | |
277 | w89k_cmds.setreg.term = NULL; /* setreg.term */ | |
278 | w89k_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */ | |
279 | w89k_cmds.getreg.cmd = "r %s\n"; /* getreg.cmd (name) */ | |
280 | w89k_cmds.getreg.resp_delim = "\r"; /* getreg.resp_delim */ | |
281 | w89k_cmds.getreg.term = NULL; /* getreg.term */ | |
282 | w89k_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */ | |
283 | w89k_cmds.dump_registers = "r\n"; /* dump_registers */ | |
284 | w89k_cmds.register_pattern = "\\(\\w+\\)\\( +[0-9a-fA-F]+\\b\\)+"; | |
285 | w89k_cmds.supply_register = w89k_supply_register; /* supply_register */ | |
286 | w89k_cmds.load_routine = w89k_load; /* load routine */ | |
287 | w89k_cmds.load = "u %x\n"; /* download command */ | |
288 | w89k_cmds.loadresp = "\021"; /* load response (^Q) */ | |
289 | w89k_cmds.prompt = "ROM>"; /* monitor command prompt */ | |
290 | w89k_cmds.line_term = "\n"; /* end-of-line terminator */ | |
291 | w89k_cmds.cmd_end = NULL; /* optional command terminator */ | |
292 | w89k_cmds.target = &w89k_ops; /* target operations */ | |
293 | w89k_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */ | |
294 | w89k_cmds.regnames = w89k_regnames; /* register names */ | |
295 | w89k_cmds.magic = MONITOR_OPS_MAGIC; /* magic */ | |
296 | } /* init_w89k_cmds */ | |
297 | ||
c906108c | 298 | static void |
c5aa993b | 299 | w89k_open (args, from_tty) |
c906108c SS |
300 | char *args; |
301 | int from_tty; | |
302 | { | |
303 | monitor_open (args, &w89k_cmds, from_tty); | |
304 | } | |
305 | ||
306 | void | |
307 | _initialize_w89k () | |
308 | { | |
c5aa993b | 309 | init_w89k_cmds (); |
c906108c SS |
310 | init_monitor_ops (&w89k_ops); |
311 | ||
312 | w89k_ops.to_shortname = "w89k"; | |
313 | w89k_ops.to_longname = "WinBond's debug monitor for the W89k Eval board"; | |
314 | w89k_ops.to_doc = "Debug on a WinBond W89K eval board.\n\ | |
315 | Specify the serial device it is connected to (e.g. /dev/ttya)."; | |
316 | w89k_ops.to_open = w89k_open; | |
317 | ||
318 | add_target (&w89k_ops); | |
319 | } |