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 static void init_abug_cmds(void)
99 abug_cmds
.flags
= MO_CLR_BREAK_USES_ADDR
;
100 abug_cmds
.init
= abug_inits
; /* Init strings */
101 abug_cmds
.cont
= "g\r"; /* continue command */
102 abug_cmds
.step
= "t\r"; /* single step */
103 abug_cmds
.stop
= NULL
; /* interrupt command */
104 abug_cmds
.set_break
= "br %x\r"; /* set a breakpoint */
105 abug_cmds
.clr_break
= "nobr %x\r"; /* clear a breakpoint */
106 abug_cmds
.clr_all_break
= "nobr\r"; /* clear all breakpoints */
107 abug_cmds
.fill
= "bf %x:%x %x;b\r"; /* fill (start count val) */
108 abug_cmds
.setmem
.cmdb
= "ms %x %02x\r"; /* setmem.cmdb (addr, value) */
109 abug_cmds
.setmem
.cmdw
= "ms %x %04x\r"; /* setmem.cmdw (addr, value) */
110 abug_cmds
.setmem
.cmdl
= "ms %x %08x\r"; /* setmem.cmdl (addr, value) */
111 abug_cmds
.setmem
.cmdll
= NULL
; /* setmem.cmdll (addr, value) */
112 abug_cmds
.setmem
.resp_delim
= NULL
; /* setreg.resp_delim */
113 abug_cmds
.setmem
.term
= NULL
; /* setreg.term */
114 abug_cmds
.setmem
.term_cmd
= NULL
; /* setreg.term_cmd */
115 abug_cmds
.getmem
.cmdb
= "md %x:%x;b\r"; /* getmem.cmdb (addr, len) */
116 abug_cmds
.getmem
.cmdw
= "md %x:%x;b\r"; /* getmem.cmdw (addr, len) */
117 abug_cmds
.getmem
.cmdl
= "md %x:%x;b\r"; /* getmem.cmdl (addr, len) */
118 abug_cmds
.getmem
.cmdll
= NULL
; /* getmem.cmdll (addr, len) */
119 abug_cmds
.getmem
.resp_delim
= " "; /* getmem.resp_delim */
120 abug_cmds
.getmem
.term
= NULL
; /* getmem.term */
121 abug_cmds
.getmem
.term_cmd
= NULL
; /* getmem.term_cmd */
122 abug_cmds
.setreg
.cmd
= "rm %s %x\r"; /* setreg.cmd (name, value) */
123 abug_cmds
.setreg
.resp_delim
= "="; /* setreg.resp_delim */
124 abug_cmds
.setreg
.term
= "? "; /* setreg.term */
125 abug_cmds
.setreg
.term_cmd
= ".\r" ; /* setreg.term_cmd */
126 abug_cmds
.getreg
.cmd
= "rm %s\r"; /* getreg.cmd (name) */
127 abug_cmds
.getreg
.resp_delim
= "="; /* getreg.resp_delim */
128 abug_cmds
.getreg
.term
= "? "; /* getreg.term */
129 abug_cmds
.getreg
.term_cmd
= ".\r" ; /* getreg.term_cmd */
130 abug_cmds
.dump_registers
= "rd\r"; /* dump_registers */
131 abug_cmds
.register_pattern
= "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)"; /* register_pattern */
132 abug_cmds
.supply_register
= abug_supply_register
; /* supply_register */
133 abug_cmds
.load_routine
= NULL
; /* load_routine (defaults to SRECs) */
134 abug_cmds
.load
= "lo 0\r"; /* download command */
135 abug_cmds
.loadresp
= "\n"; /* load response */
136 abug_cmds
.prompt
= "135Bug>"; /* monitor command prompt */
137 abug_cmds
.line_term
= "\r"; /* end-of-line terminator */
138 abug_cmds
.cmd_end
= NULL
; /* optional command terminator */
139 abug_cmds
.target
= &abug_ops
; /* target operations */
140 abug_cmds
.stopbits
= SERIAL_1_STOPBITS
; /* number of stop bits */
141 abug_cmds
.regnames
= abug_regnames
; /* registers names */
142 abug_cmds
.magic
= MONITOR_OPS_MAGIC
; /* magic */
146 abug_open(args
, from_tty
)
150 monitor_open (args
, &abug_cmds
, from_tty
);
154 _initialize_abug_rom ()
157 init_monitor_ops (&abug_ops
);
159 abug_ops
.to_shortname
= "abug";
160 abug_ops
.to_longname
= "ABug monitor";
161 abug_ops
.to_doc
= "Debug via the ABug monitor.\n\
162 Specify the serial device it is connected to (e.g. /dev/ttya).";
163 abug_ops
.to_open
= abug_open
;
165 add_target (&abug_ops
);
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