1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
#include "defs.h"
#include "gdbcore.h"
#include "target.h"
#include "monitor.h"
extern int baud_rate;
void rom68k_open();
void monitor_open();
/*
* this array of registers need to match the indexes used by GDB. The
* whole reason this exists is cause the various ROM monitors use
* different strings than GDB does, and doesn't support all the
* registers either. So, typing "info reg sp" becomes a "r30".
*/
static char *rom68k_regnames[] = {
"d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", "a0", "a1",
"a2", "a3", "a4", "a5", "a6", "usp", "ssp","pc", "", "",
"", "", "", "", "", "", "", "", "", "",
"", "", "", "", "", "", "",
"", "", "", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "", "", "",
"", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", ""
};
/*
* Define the monitor command strings. Since these are passed directly
* through to a printf style function, we need can include formatting
* strings. We also need a CR or LF on the end.
*/
struct target_ops rom68k_ops = {
"rom68k",
"WinBond's debug monitor for the Rom68k Eval board",
"Debug on a Motorola IDP eval board running the ROM68K monitor.\n\
Specify the serial device it is connected to (e.g. /dev/ttya).",
rom68k_open,
monitor_close,
monitor_attach,
monitor_detach,
monitor_resume,
monitor_wait,
monitor_fetch_register,
monitor_store_register,
monitor_prepare_to_store,
monitor_xfer_inferior_memory,
monitor_files_info,
monitor_insert_breakpoint,
monitor_remove_breakpoint, /* Breakpoints */
0,
0,
0,
0,
0, /* Terminal handling */
monitor_kill,
monitor_load, /* load */
0, /* lookup_symbol */
monitor_create_inferior,
monitor_mourn_inferior,
0, /* can_run */
0, /* notice_signals */
process_stratum,
0, /* next */
1,
1,
1,
1,
1, /* all mem, mem, stack, regs, exec */
0,
0, /* Section pointers */
OPS_MAGIC, /* Always the last thing */
};
struct monitor_ops rom68k_cmds = {
1, /* 1 for ASCII, 0 for binary */
"\n", /* monitor init string */
"go \n", /* execute or usually GO command */
"go \n", /* continue command */
"st \n", /* single step */
"db %x\n", /* set a breakpoint */
"cb %x\r", /* clear a breakpoint */
0, /* 0 for number, 1 for address */
{
"pm %x %x\r", /* set memory */
"=", /* delimiter */
"", /* the result */
},
{
"dm %x 1\r", /* get memory */
"", /* delimiter */
"", /* the result */
},
{
"pr %s %x\r", /* set a register */
"", /* delimiter between registers */
"", /* the result */
},
{
"pr %s\n", /* get a register */
":", /* delimiter between registers */
"", /* the result */
},
"dc\n", /* download command */
"ROM68K :->", /* monitor command prompt */
"=", /* end-of-command delimitor */
".\n", /* optional command terminator */
&rom68k_ops, /* target operations */
"srec,xmodem-ascii,xmodem-srec,default",/* load types */
rom68k_regnames /* registers names */
};
void
rom68k_open(args, from_tty)
char *args;
int from_tty;
{
target_preopen(from_tty);
push_target (&rom68k_ops);
push_monitor (&rom68k_cmds);
monitor_open (args, "rom68k", from_tty);
}
void
_initialize_rom68k ()
{
add_target (&rom68k_ops);
/* this is the default, since it's the only baud rate supported by the hardware */
baud_rate = 9600;
}
|
