1 /* Remote target glue for the WinBond ROM monitor running on the "Cougar"
4 Copyright 1995 Free Software Foundation, Inc.
6 This file is part of GDB.
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.
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.
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. */
31 static void w89k_open (char *args, int from_tty);
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".
40 static char *w89k_regnames[NUM_REGS] =
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",
53 w89k_supply_register (char *regname, int regnamelen, char *val, int vallen)
72 regno = R0_REGNUM + 4;
75 regno = R0_REGNUM + 8;
80 if (regname[1] == 'C')
84 else if (regnamelen == 3)
89 if (regname[1] == '1' && regname[2] == '2')
90 regno = R0_REGNUM + 12;
91 else if (regname[1] == '1' && regname[2] == '6')
92 regno = R0_REGNUM + 16;
93 else if (regname[1] == '2' && regname[2] == '0')
94 regno = R0_REGNUM + 20;
95 else if (regname[1] == '2' && regname[2] == '4')
96 regno = R0_REGNUM + 24;
97 else if (regname[1] == '2' && regname[2] == '8')
98 regno = R0_REGNUM + 28;
101 if (regname[1] == 'C' && regname[2] == 'R')
105 if (regname[1] == 'C' && regname[2] == 'R')
109 if (regname[1] == 'A' && regname[2] == 'R')
113 if (regname[1] == 'I' && regname[2] == 'R')
115 else if (regname[1] == 'O' && regname[2] == 'R')
120 if (regname[1] == 'R')
121 if (regname[2] == '0')
123 else if (regname[2] == '4')
124 regno = TR0_REGNUM + 4;
127 else if (regnamelen == 4)
131 if (regname[1] == 'I')
132 if (regname[2] == 'E' && regname[3] == 'M')
136 if (regname[1] == 'P' && regname[2] == 'S' && regname[3] == 'W')
140 else if (regnamelen == 5)
144 if (regname[1] == 'A'
147 && regname[4] == 'B')
148 regno = PCOQ_TAIL_REGNUM;
153 while (numregs-- > 0)
154 val = monitor_supply_register (regno++, val);
157 static int hashmark = 1; /* flag set by "set hash" */
159 extern struct monitor_ops w89k_cmds; /* fwd decl */
162 w89k_load (serial_t desc, char *file, int hashmark)
169 buffer = alloca (XMODEM_PACKETSIZE);
171 abfd = bfd_openr (file, 0);
174 printf_filtered ("Unable to open file %s\n", file);
178 if (bfd_check_format (abfd, bfd_object) == 0)
180 printf_filtered ("File is not an object file\n");
184 for (s = abfd->sections; s; s = s->next)
185 if (s->flags & SEC_LOAD)
187 bfd_size_type section_size;
189 printf_filtered ("%s\t: 0x%4x .. 0x%4x ", s->name, s->vma,
190 s->vma + s->_raw_size);
191 gdb_flush (gdb_stdout);
193 monitor_printf (w89k_cmds.load, s->vma);
194 if (w89k_cmds.loadresp)
195 monitor_expect (w89k_cmds.loadresp, NULL, 0);
197 xmodem_init_xfer (desc);
199 section_size = bfd_section_size (abfd, s);
201 for (i = 0; i < section_size; i += XMODEM_DATASIZE)
205 numbytes = min (XMODEM_DATASIZE, section_size - i);
207 bfd_get_section_contents (abfd, s, buffer + XMODEM_DATAOFFSET, i,
210 xmodem_send_packet (desc, buffer, numbytes, hashmark);
214 putchar_unfiltered ('#');
215 gdb_flush (gdb_stdout);
217 } /* Per-packet (or S-record) loop */
219 xmodem_finish_xfer (desc);
221 monitor_expect_prompt (NULL, 0);
223 putchar_unfiltered ('\n');
224 } /* Loadable sections */
227 putchar_unfiltered ('\n');
231 * Define the monitor command strings. Since these are passed directly
232 * through to a printf style function, we need can include formatting
233 * strings. We also need a CR or LF on the end.
236 static struct target_ops w89k_ops;
238 static char *w89k_inits[] =
241 static struct monitor_ops w89k_cmds;
243 init_w89k_cmds (void)
245 w89k_cmds.flags = MO_GETMEM_NEEDS_RANGE | MO_FILL_USES_ADDR; /* flags */
246 w89k_cmds.init = w89k_inits; /* Init strings */
247 w89k_cmds.cont = "g\n"; /* continue command */
248 w89k_cmds.step = "t\n"; /* single step */
249 w89k_cmds.stop = "\003"; /* Interrupt char (^C) */
250 w89k_cmds.set_break = "bp %x\n"; /* set a breakpoint */
251 w89k_cmds.clr_break = "bc %x\n"; /* clear a breakpoint */
252 w89k_cmds.clr_all_break = "bc *\n"; /* clear all breakpoints */
253 w89k_cmds.fill = "f %x %x %x\n"; /* memory fill cmd */
254 w89k_cmds.setmem.cmdb = "eb %x %x\n"; /* setmem.cmdb (addr, value) */
255 w89k_cmds.setmem.cmdw = "eh %x %x\n"; /* setmem.cmdw (addr, value) */
256 w89k_cmds.setmem.cmdl = "ew %x %x\n"; /* setmem.cmdl (addr, value) */
257 w89k_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
258 w89k_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */
259 w89k_cmds.setmem.term = NULL; /* setreg.term */
260 w89k_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */
261 w89k_cmds.getmem.cmdb = "db %x %x\n"; /* getmem.cmdb (startaddr, endaddr) */
262 w89k_cmds.getmem.cmdw = "dh %x %x\n"; /* getmem.cmdw (startaddr, endaddr) */
263 w89k_cmds.getmem.cmdl = "dw %x %x\n"; /* getmem.cmdl (startaddr, endaddr) */
264 w89k_cmds.getmem.cmdll = NULL; /* getmem.cmdll (startaddr, endaddr) */
265 w89k_cmds.getmem.resp_delim = " "; /* getmem.resp_delim */
266 w89k_cmds.getmem.term = NULL; /* getmem.term */
267 w89k_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
268 w89k_cmds.setreg.cmd = "r %s %x\n"; /* setreg.cmd (name, value) */
269 w89k_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
270 w89k_cmds.setreg.term = NULL; /* setreg.term */
271 w89k_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
272 w89k_cmds.getreg.cmd = "r %s\n"; /* getreg.cmd (name) */
273 w89k_cmds.getreg.resp_delim = "\r"; /* getreg.resp_delim */
274 w89k_cmds.getreg.term = NULL; /* getreg.term */
275 w89k_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */
276 w89k_cmds.dump_registers = "r\n"; /* dump_registers */
277 w89k_cmds.register_pattern = "\\(\\w+\\)\\( +[0-9a-fA-F]+\\b\\)+";
278 w89k_cmds.supply_register = w89k_supply_register; /* supply_register */
279 w89k_cmds.load_routine = w89k_load; /* load routine */
280 w89k_cmds.load = "u %x\n"; /* download command */
281 w89k_cmds.loadresp = "\021"; /* load response (^Q) */
282 w89k_cmds.prompt = "ROM>"; /* monitor command prompt */
283 w89k_cmds.line_term = "\n"; /* end-of-line terminator */
284 w89k_cmds.cmd_end = NULL; /* optional command terminator */
285 w89k_cmds.target = &w89k_ops; /* target operations */
286 w89k_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
287 w89k_cmds.regnames = w89k_regnames; /* register names */
288 w89k_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
289 } /* init_w89k_cmds */
292 w89k_open (char *args, int from_tty)
294 monitor_open (args, &w89k_cmds, from_tty);
298 _initialize_w89k (void)
301 init_monitor_ops (&w89k_ops);
303 w89k_ops.to_shortname = "w89k";
304 w89k_ops.to_longname = "WinBond's debug monitor for the W89k Eval board";
305 w89k_ops.to_doc = "Debug on a WinBond W89K eval board.\n\
306 Specify the serial device it is connected to (e.g. /dev/ttya).";
307 w89k_ops.to_open = w89k_open;
309 add_target (&w89k_ops);