1 /* Remote debugging interface for ABug Rom monitor for GDB, the GNU debugger.
2 Copyright 1995, 1996 Free Software Foundation, Inc.
4 Written by Rob Savoye of Cygnus Support
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, Boston, MA 02111-1307, USA. */
28 static void abug_open
PARAMS ((char *args
, int from_tty
));
31 abug_supply_register (regname
, regnamelen
, val
, vallen
)
45 if (regname
[1] != 'R')
50 if (regname
[1] != 'C')
55 if (regname
[1] < '0' || regname
[1] > '7')
57 regno
= regname
[1] - '0' + D0_REGNUM
;
60 if (regname
[1] < '0' || regname
[1] > '7')
62 regno
= regname
[1] - '0' + A0_REGNUM
;
68 monitor_supply_register (regno
, val
);
72 * This array of registers needs to match the indexes used by GDB. The
73 * whole reason this exists is because the various ROM monitors use
74 * different names than GDB does, and don't support all the
75 * registers either. So, typing "info reg sp" becomes an "A7".
78 static char *abug_regnames
[NUM_REGS
] =
80 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
81 "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
86 * Define the monitor command strings. Since these are passed directly
87 * through to a printf style function, we need can include formatting
88 * strings. We also need a CR or LF on the end.
91 static struct target_ops abug_ops
;
93 static char *abug_inits
[] = {"\r", NULL
};
95 static struct monitor_ops abug_cmds
=
97 MO_CLR_BREAK_USES_ADDR
,
98 abug_inits
, /* Init strings */
99 "g\r", /* continue command */
100 "t\r", /* single step */
101 NULL
, /* interrupt command */
102 "br %x\r", /* set a breakpoint */
103 "nobr %x\r", /* clear a breakpoint */
104 "nobr\r", /* clear all breakpoints */
105 "bf %x:%x %x;b\r", /* fill (start count val) */
107 "ms %x %02x\r", /* setmem.cmdb (addr, value) */
108 "ms %x %04x\r", /* setmem.cmdw (addr, value) */
109 "ms %x %08x\r", /* setmem.cmdl (addr, value) */
110 NULL
, /* setmem.cmdll (addr, value) */
111 NULL
, /* setreg.resp_delim */
112 NULL
, /* setreg.term */
113 NULL
, /* setreg.term_cmd */
116 "md %x:%x;b\r", /* getmem.cmdb (addr, len) */
117 "md %x:%x;b\r", /* getmem.cmdw (addr, len) */
118 "md %x:%x;b\r", /* getmem.cmdl (addr, len) */
119 NULL
, /* getmem.cmdll (addr, len) */
120 " ", /* getmem.resp_delim */
121 NULL
, /* getmem.term */
122 NULL
, /* getmem.term_cmd */
125 "rm %s %x\r", /* setreg.cmd (name, value) */
126 "=", /* setreg.resp_delim */
127 "? ", /* setreg.term */
128 ".\r" /* setreg.term_cmd */
131 "rm %s\r", /* getreg.cmd (name) */
132 "=", /* getreg.resp_delim */
133 "? ", /* getreg.term */
134 ".\r" /* getreg.term_cmd */
136 "rd\r", /* dump_registers */
137 "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)", /* register_pattern */
138 abug_supply_register
, /* supply_register */
139 NULL
, /* load_routine (defaults to SRECs) */
140 "lo 0\r", /* download command */
141 "\n", /* load response */
142 "135Bug>", /* monitor command prompt */
143 "\r", /* end-of-line terminator */
144 NULL
, /* optional command terminator */
145 &abug_ops
, /* target operations */
146 SERIAL_1_STOPBITS
, /* number of stop bits */
147 abug_regnames
, /* registers names */
148 MONITOR_OPS_MAGIC
/* magic */
152 abug_open(args
, from_tty
)
156 monitor_open (args
, &abug_cmds
, from_tty
);
160 _initialize_abug_rom ()
162 init_monitor_ops (&abug_ops
);
164 abug_ops
.to_shortname
= "abug";
165 abug_ops
.to_longname
= "ABug monitor";
166 abug_ops
.to_doc
= "Debug via the ABug monitor.\n\
167 Specify the serial device it is connected to (e.g. /dev/ttya).";
168 abug_ops
.to_open
= abug_open
;
170 add_target (&abug_ops
);
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