Commit | Line | Data |
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50e183a2 RS |
1 | /* Remote target glue for the rom68k ROM monitor. This was running on a |
2 | Motorola IDP board. | |
3 | ||
4 | Copyright 1988, 1991, 1992, 1993, 1994 Free Software Foundation, Inc. | |
5 | ||
6 | This file is part of GDB. | |
7 | ||
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. | |
12 | ||
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. | |
17 | ||
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., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
21 | ||
06b8f5e4 RS |
22 | #include "defs.h" |
23 | #include "gdbcore.h" | |
24 | #include "target.h" | |
25 | #include "monitor.h" | |
1265e2d8 | 26 | #include "serial.h" |
06b8f5e4 RS |
27 | |
28 | void rom68k_open(); | |
06b8f5e4 RS |
29 | |
30 | /* | |
31 | * this array of registers need to match the indexes used by GDB. The | |
32 | * whole reason this exists is cause the various ROM monitors use | |
33 | * different strings than GDB does, and doesn't support all the | |
34 | * registers either. So, typing "info reg sp" becomes a "r30". | |
35 | */ | |
1265e2d8 SG |
36 | static char *rom68k_regnames[NUM_REGS] = { |
37 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
38 | "A0", "A1", "A2", "A3", "A4", "A5", "A6", "ISP", | |
39 | "SR", "PC" }; | |
06b8f5e4 RS |
40 | |
41 | /* | |
42 | * Define the monitor command strings. Since these are passed directly | |
43 | * through to a printf style function, we need can include formatting | |
44 | * strings. We also need a CR or LF on the end. | |
45 | */ | |
46 | ||
32fa4b59 | 47 | static struct target_ops rom68k_ops; |
06b8f5e4 | 48 | |
1265e2d8 SG |
49 | static char *rom68k_loadtypes[] = {"none", "srec", "default", NULL}; |
50 | static char *rom68k_loadprotos[] = {"none", NULL}; | |
51 | ||
52 | static struct monitor_ops rom68k_cmds = | |
53 | { | |
54 | 1, /* 1 for ASCII, 0 for binary */ | |
55 | ".\r\r", /* monitor init string */ | |
56 | "go \r", /* execute or usually GO command */ | |
57 | "go \r", /* continue command */ | |
58 | "st \r", /* single step */ | |
59 | "db %x\r", /* set a breakpoint */ | |
60 | "cb %x\r", /* clear a breakpoint */ | |
61 | 0, /* 0 for number, 1 for address */ | |
06b8f5e4 | 62 | { |
1265e2d8 SG |
63 | "pm %x %x\r", /* setmem.cmd (addr, value) */ |
64 | NULL, /* setreg.resp_delim */ | |
65 | NULL, /* setreg.term */ | |
66 | NULL, /* setreg.term_cmd */ | |
06b8f5e4 RS |
67 | }, |
68 | { | |
1265e2d8 SG |
69 | "dm %x 1\r", /* getmem.cmd (addr) */ |
70 | " ", /* getmem.resp_delim */ | |
71 | NULL, /* getmem.term */ | |
72 | NULL, /* getmem.term_cmd */ | |
06b8f5e4 RS |
73 | }, |
74 | { | |
1265e2d8 SG |
75 | "pr %s %x\r", /* setreg.cmd (name, value) */ |
76 | NULL, /* setreg.resp_delim */ | |
77 | NULL, /* setreg.term */ | |
78 | NULL /* setreg.term_cmd */ | |
06b8f5e4 RS |
79 | }, |
80 | { | |
1265e2d8 SG |
81 | "pr %s\r", /* getreg.cmd (name) */ |
82 | ": ", /* getreg.resp_delim */ | |
83 | "= ", /* getreg.term */ | |
84 | ".\r" /* getreg.term_cmd */ | |
06b8f5e4 | 85 | }, |
1265e2d8 SG |
86 | "dc\r", /* download command */ |
87 | "ROM68K :->", /* monitor command prompt */ | |
88 | "=", /* end-of-command delimitor */ | |
89 | ".\r", /* optional command terminator */ | |
90 | &rom68k_ops, /* target operations */ | |
91 | rom68k_loadtypes, /* loadtypes */ | |
92 | rom68k_loadprotos, /* loadprotos */ | |
93 | "9600", /* supported baud rates */ | |
94 | SERIAL_1_STOPBITS, /* number of stop bits */ | |
95 | rom68k_regnames /* registers names */ | |
96 | }; | |
06b8f5e4 RS |
97 | |
98 | void | |
99 | rom68k_open(args, from_tty) | |
100 | char *args; | |
101 | int from_tty; | |
102 | { | |
1265e2d8 | 103 | monitor_open (args, &rom68k_cmds, from_tty); |
06b8f5e4 RS |
104 | } |
105 | ||
106 | void | |
107 | _initialize_rom68k () | |
108 | { | |
32fa4b59 SG |
109 | init_monitor_ops (&rom68k_ops); |
110 | ||
111 | rom68k_ops.to_shortname = "rom68k"; | |
112 | rom68k_ops.to_longname = "Rom68k debug monitor for the IDP Eval board"; | |
113 | rom68k_ops.to_doc = "Debug on a Motorola IDP eval board running the ROM68K monitor.\n\ | |
114 | Specify the serial device it is connected to (e.g. /dev/ttya)."; | |
115 | rom68k_ops.to_open = rom68k_open; | |
116 | ||
06b8f5e4 RS |
117 | add_target (&rom68k_ops); |
118 | ||
119 | /* this is the default, since it's the only baud rate supported by the hardware */ | |
120 | baud_rate = 9600; | |
121 | } |