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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/* Remote debugging interface for DINK32 (PowerPC) ROM monitor for
GDB, the GNU debugger.
Copyright (C) 1997, 1999, 2000, 2001, 2007 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "gdbcore.h"
#include "target.h"
#include "monitor.h"
#include "serial.h"
#include "symfile.h" /* For generic_load() */
#include "inferior.h" /* For write_pc() */
#include "regcache.h"
static void dink32_open (char *args, int from_tty);
static void
dink32_supply_register (struct regcache *regcache, char *regname,
int regnamelen, char *val, int vallen)
{
int regno = 0;
if (regnamelen < 2 || regnamelen > 4)
return;
switch (regname[0])
{
case 'R':
if (regname[1] < '0' || regname[1] > '9')
return;
if (regnamelen == 2)
regno = regname[1] - '0';
else if (regnamelen == 3 && regname[2] >= '0' && regname[2] <= '9')
regno = (regname[1] - '0') * 10 + (regname[2] - '0');
else
return;
break;
case 'F':
if (regname[1] != 'R' || regname[2] < '0' || regname[2] > '9')
return;
if (regnamelen == 3)
regno = 32 + regname[2] - '0';
else if (regnamelen == 4 && regname[3] >= '0' && regname[3] <= '9')
regno = 32 + (regname[2] - '0') * 10 + (regname[3] - '0');
else
return;
break;
case 'I':
if (regnamelen != 2 || regname[1] != 'P')
return;
regno = 64;
break;
case 'M':
if (regnamelen != 3 || regname[1] != 'S' || regname[2] != 'R')
return;
regno = 65;
break;
case 'C':
if (regnamelen != 2 || regname[1] != 'R')
return;
regno = 66;
break;
case 'S':
if (regnamelen != 4 || regname[1] != 'P' || regname[2] != 'R')
return;
else if (regname[3] == '8')
regno = 67;
else if (regname[3] == '9')
regno = 68;
else if (regname[3] == '1')
regno = 69;
else if (regname[3] == '0')
regno = 70;
else
return;
break;
default:
return;
}
monitor_supply_register (regcache, regno, val);
}
/* This array of registers needs to match the indexes used by GDB. The
whole reason this exists is because the various ROM monitors use
different names than GDB does, and don't support all the registers
either. */
static char *dink32_regnames[] =
{
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
"srr0", "msr", "cr", "lr", "ctr", "xer", "xer"
};
static struct target_ops dink32_ops;
static char *dink32_inits[] =
{"\r", NULL};
static struct monitor_ops dink32_cmds;
static void
dink32_open (char *args, int from_tty)
{
monitor_open (args, &dink32_cmds, from_tty);
}
extern initialize_file_ftype _initialize_dink32_rom; /* -Wmissing-prototypes */
void
_initialize_dink32_rom (void)
{
dink32_cmds.flags = MO_HEX_PREFIX | MO_GETMEM_NEEDS_RANGE | MO_FILL_USES_ADDR | MO_HANDLE_NL | MO_32_REGS_PAIRED | MO_SETREG_INTERACTIVE | MO_SETMEM_INTERACTIVE | MO_GETMEM_16_BOUNDARY | MO_CLR_BREAK_1_BASED | MO_SREC_ACK | MO_SREC_ACK_ROTATE;
dink32_cmds.init = dink32_inits;
dink32_cmds.cont = "go +\r";
dink32_cmds.step = "tr +\r";
dink32_cmds.set_break = "bp 0x%x\r";
dink32_cmds.clr_break = "bp %d\r";
#if 0 /* Would need to follow strict alignment rules.. */
dink32_cmds.fill = "mf %x %x %x\r";
#endif
dink32_cmds.setmem.cmdb = "mm -b %x\r";
dink32_cmds.setmem.cmdw = "mm -w %x\r";
dink32_cmds.setmem.cmdl = "mm %x\r";
dink32_cmds.setmem.term = " ? ";
dink32_cmds.getmem.cmdb = "md %x\r";
dink32_cmds.getmem.resp_delim = " ";
dink32_cmds.setreg.cmd = "rm %s\r";
dink32_cmds.setreg.term = " ? ";
dink32_cmds.getreg.cmd = "rd %s\r";
dink32_cmds.getreg.resp_delim = ": ";
dink32_cmds.dump_registers = "rd r\r";
dink32_cmds.register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)";
dink32_cmds.supply_register = dink32_supply_register;
/* S-record download, via "keyboard port". */
dink32_cmds.load = "dl -k\r";
dink32_cmds.loadresp = "Set Input Port : set to Keyboard Port\r";
dink32_cmds.prompt = "DINK32_603 >>";
dink32_cmds.line_term = "\r";
dink32_cmds.target = &dink32_ops;
dink32_cmds.stopbits = SERIAL_1_STOPBITS;
dink32_cmds.regnames = dink32_regnames;
dink32_cmds.magic = MONITOR_OPS_MAGIC;
init_monitor_ops (&dink32_ops);
dink32_ops.to_shortname = "dink32";
dink32_ops.to_longname = "DINK32 monitor";
dink32_ops.to_doc = "Debug using the DINK32 monitor.\n\
Specify the serial device it is connected to (e.g. /dev/ttya).";
dink32_ops.to_open = dink32_open;
add_target (&dink32_ops);
}
|
