1 /* Remote target glue for the WinBond ROM monitor running on the "Cougar"
4 Copyright 1995, 1998, 2000, 2001 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. */
32 static void w89k_open (char *args
, int from_tty
);
35 * this array of registers need to match the indexes used by GDB. The
36 * whole reason this exists is cause the various ROM monitors use
37 * different strings than GDB does, and doesn't support all the
38 * registers either. So, typing "info reg sp" becomes a "r30".
41 static char *w89k_regnames
[NUM_REGS
] =
43 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
44 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
45 "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
46 "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
47 "SAR", "PC", NULL
, NULL
, NULL
, "EIEM", "IIR", "IVA",
48 "IOR", "IPSW", NULL
, NULL
, NULL
, NULL
, NULL
,
49 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
,
50 "CCR", NULL
, NULL
, "TR0", "TR1",
54 w89k_supply_register (char *regname
, int regnamelen
, char *val
, int vallen
)
73 regno
= R0_REGNUM
+ 4;
76 regno
= R0_REGNUM
+ 8;
81 if (regname
[1] == 'C')
85 else if (regnamelen
== 3)
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;
102 if (regname
[1] == 'C' && regname
[2] == 'R')
106 if (regname
[1] == 'C' && regname
[2] == 'R')
110 if (regname
[1] == 'A' && regname
[2] == 'R')
114 if (regname
[1] == 'I' && regname
[2] == 'R')
116 else if (regname
[1] == 'O' && regname
[2] == 'R')
121 if (regname
[1] == 'R')
122 if (regname
[2] == '0')
124 else if (regname
[2] == '4')
125 regno
= TR0_REGNUM
+ 4;
128 else if (regnamelen
== 4)
132 if (regname
[1] == 'I')
133 if (regname
[2] == 'E' && regname
[3] == 'M')
137 if (regname
[1] == 'P' && regname
[2] == 'S' && regname
[3] == 'W')
141 else if (regnamelen
== 5)
145 if (regname
[1] == 'A'
148 && regname
[4] == 'B')
149 regno
= PCOQ_TAIL_REGNUM
;
154 while (numregs
-- > 0)
155 val
= monitor_supply_register (regno
++, val
);
158 static int hashmark
= 1; /* flag set by "set hash" */
160 extern struct monitor_ops w89k_cmds
; /* fwd decl */
163 w89k_load (struct serial
*desc
, char *file
, int hashmark
)
170 buffer
= alloca (XMODEM_PACKETSIZE
);
172 abfd
= bfd_openr (file
, 0);
175 printf_filtered ("Unable to open file %s\n", file
);
179 if (bfd_check_format (abfd
, bfd_object
) == 0)
181 printf_filtered ("File is not an object file\n");
185 for (s
= abfd
->sections
; s
; s
= s
->next
)
186 if (s
->flags
& SEC_LOAD
)
188 bfd_size_type section_size
;
190 printf_filtered ("%s\t: 0x%4x .. 0x%4x ", s
->name
, s
->vma
,
191 s
->vma
+ s
->_raw_size
);
192 gdb_flush (gdb_stdout
);
194 monitor_printf (w89k_cmds
.load
, s
->vma
);
195 if (w89k_cmds
.loadresp
)
196 monitor_expect (w89k_cmds
.loadresp
, NULL
, 0);
198 xmodem_init_xfer (desc
);
200 section_size
= bfd_section_size (abfd
, s
);
202 for (i
= 0; i
< section_size
; i
+= XMODEM_DATASIZE
)
206 numbytes
= min (XMODEM_DATASIZE
, section_size
- i
);
208 bfd_get_section_contents (abfd
, s
, buffer
+ XMODEM_DATAOFFSET
, i
,
211 xmodem_send_packet (desc
, buffer
, numbytes
, hashmark
);
215 putchar_unfiltered ('#');
216 gdb_flush (gdb_stdout
);
218 } /* Per-packet (or S-record) loop */
220 xmodem_finish_xfer (desc
);
222 monitor_expect_prompt (NULL
, 0);
224 putchar_unfiltered ('\n');
225 } /* Loadable sections */
228 putchar_unfiltered ('\n');
232 * Define the monitor command strings. Since these are passed directly
233 * through to a printf style function, we need can include formatting
234 * strings. We also need a CR or LF on the end.
237 static struct target_ops w89k_ops
;
239 static char *w89k_inits
[] =
242 static struct monitor_ops w89k_cmds
;
244 init_w89k_cmds (void)
246 w89k_cmds
.flags
= MO_GETMEM_NEEDS_RANGE
| MO_FILL_USES_ADDR
; /* flags */
247 w89k_cmds
.init
= w89k_inits
; /* Init strings */
248 w89k_cmds
.cont
= "g\n"; /* continue command */
249 w89k_cmds
.step
= "t\n"; /* single step */
250 w89k_cmds
.stop
= "\003"; /* Interrupt char (^C) */
251 w89k_cmds
.set_break
= "bp %x\n"; /* set a breakpoint */
252 w89k_cmds
.clr_break
= "bc %x\n"; /* clear a breakpoint */
253 w89k_cmds
.clr_all_break
= "bc *\n"; /* clear all breakpoints */
254 w89k_cmds
.fill
= "f %x %x %x\n"; /* memory fill cmd */
255 w89k_cmds
.setmem
.cmdb
= "eb %x %x\n"; /* setmem.cmdb (addr, value) */
256 w89k_cmds
.setmem
.cmdw
= "eh %x %x\n"; /* setmem.cmdw (addr, value) */
257 w89k_cmds
.setmem
.cmdl
= "ew %x %x\n"; /* setmem.cmdl (addr, value) */
258 w89k_cmds
.setmem
.cmdll
= NULL
; /* setmem.cmdll (addr, value) */
259 w89k_cmds
.setmem
.resp_delim
= NULL
; /* setreg.resp_delim */
260 w89k_cmds
.setmem
.term
= NULL
; /* setreg.term */
261 w89k_cmds
.setmem
.term_cmd
= NULL
; /* setreg.term_cmd */
262 w89k_cmds
.getmem
.cmdb
= "db %x %x\n"; /* getmem.cmdb (startaddr, endaddr) */
263 w89k_cmds
.getmem
.cmdw
= "dh %x %x\n"; /* getmem.cmdw (startaddr, endaddr) */
264 w89k_cmds
.getmem
.cmdl
= "dw %x %x\n"; /* getmem.cmdl (startaddr, endaddr) */
265 w89k_cmds
.getmem
.cmdll
= NULL
; /* getmem.cmdll (startaddr, endaddr) */
266 w89k_cmds
.getmem
.resp_delim
= " "; /* getmem.resp_delim */
267 w89k_cmds
.getmem
.term
= NULL
; /* getmem.term */
268 w89k_cmds
.getmem
.term_cmd
= NULL
; /* getmem.term_cmd */
269 w89k_cmds
.setreg
.cmd
= "r %s %x\n"; /* setreg.cmd (name, value) */
270 w89k_cmds
.setreg
.resp_delim
= NULL
; /* setreg.resp_delim */
271 w89k_cmds
.setreg
.term
= NULL
; /* setreg.term */
272 w89k_cmds
.setreg
.term_cmd
= NULL
; /* setreg.term_cmd */
273 w89k_cmds
.getreg
.cmd
= "r %s\n"; /* getreg.cmd (name) */
274 w89k_cmds
.getreg
.resp_delim
= "\r"; /* getreg.resp_delim */
275 w89k_cmds
.getreg
.term
= NULL
; /* getreg.term */
276 w89k_cmds
.getreg
.term_cmd
= NULL
; /* getreg.term_cmd */
277 w89k_cmds
.dump_registers
= "r\n"; /* dump_registers */
278 w89k_cmds
.register_pattern
= "\\(\\w+\\)\\( +[0-9a-fA-F]+\\b\\)+";
279 w89k_cmds
.supply_register
= w89k_supply_register
; /* supply_register */
280 w89k_cmds
.load_routine
= w89k_load
; /* load routine */
281 w89k_cmds
.load
= "u %x\n"; /* download command */
282 w89k_cmds
.loadresp
= "\021"; /* load response (^Q) */
283 w89k_cmds
.prompt
= "ROM>"; /* monitor command prompt */
284 w89k_cmds
.line_term
= "\n"; /* end-of-line terminator */
285 w89k_cmds
.cmd_end
= NULL
; /* optional command terminator */
286 w89k_cmds
.target
= &w89k_ops
; /* target operations */
287 w89k_cmds
.stopbits
= SERIAL_1_STOPBITS
; /* number of stop bits */
288 w89k_cmds
.regnames
= w89k_regnames
; /* register names */
289 w89k_cmds
.magic
= MONITOR_OPS_MAGIC
; /* magic */
290 } /* init_w89k_cmds */
293 w89k_open (char *args
, int from_tty
)
295 monitor_open (args
, &w89k_cmds
, from_tty
);
299 _initialize_w89k (void)
302 init_monitor_ops (&w89k_ops
);
304 w89k_ops
.to_shortname
= "w89k";
305 w89k_ops
.to_longname
= "WinBond's debug monitor for the W89k Eval board";
306 w89k_ops
.to_doc
= "Debug on a WinBond W89K eval board.\n\
307 Specify the serial device it is connected to (e.g. /dev/ttya).";
308 w89k_ops
.to_open
= w89k_open
;
310 add_target (&w89k_ops
);