aboutsummaryrefslogtreecommitdiff
path: root/gdb/op50-rom.c
blob: 14eeeca46c15b9790ba12c22282d76a430afcdba (plain)
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
/* Remote target glue for the Oki op50n based eval board.

   Copyright 1995 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 2 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, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include "defs.h"
#include "gdbcore.h"
#include "target.h"
#include "monitor.h"
#include "serial.h"

static void op50n_open (char *args, int from_tty);

/*
 * 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 *op50n_regnames[NUM_REGS] =
{
  "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",
  "cr11", "p", NULL, NULL, NULL, "cr15", "cr19", "cr20",
  "cr21", "cr22", NULL, NULL, NULL, NULL, NULL, NULL,
  NULL, NULL, NULL, "cr0", "cr8", "cr9", "cr10", "cr12",
  "cr13", "cr24", "cr25", "cr26",
};

/*
 * 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.
 */

static struct target_ops op50n_ops;

static char *op50n_inits[] =
{".\r", NULL};

static struct monitor_ops op50n_cmds;

static void
init_op50n_cmds (void)
{
  op50n_cmds.flags = MO_CLR_BREAK_USES_ADDR /*| MO_GETMEM_READ_SINGLE */ ;	/* flags */
  op50n_cmds.init = op50n_inits;	/* Init strings */
  op50n_cmds.cont = "g\r";	/* continue command */
  op50n_cmds.step = "t\r";	/* single step */
  op50n_cmds.stop = "\003.\r";	/* Interrupt char */
  op50n_cmds.set_break = "b %x\r";	/* set a breakpoint */
  op50n_cmds.clr_break = "b %x;0\r";	/* clear breakpoint at addr */
  op50n_cmds.clr_all_break = "bx\r";	/* clear all breakpoints */
  op50n_cmds.fill = "fx %x s%x %x\r";	/* memory fill cmd (addr, len, val) */
  op50n_cmds.setmem.cmdb = "sx %x %x\r";	/* setmem.cmdb (addr, value) */
  op50n_cmds.setmem.cmdw = "sh %x %x\r";	/* setmem.cmdw (addr, value) */
  op50n_cmds.setmem.cmdl = "s %x %x\r";		/* setmem.cmdl (addr, value) */
  op50n_cmds.setmem.cmdll = NULL;	/* setmem.cmdll (addr, value) */
  op50n_cmds.setmem.resp_delim = NULL;	/* setmem.resp_delim */
  op50n_cmds.setmem.term = NULL;	/* setmem.term */
  op50n_cmds.setmem.term_cmd = NULL;	/* setmem.term_cmd */
#if 0
  {
    "sx %x\r",			/* getmem.cmdb (addr, len) */
      "sh %x\r",		/* getmem.cmdw (addr, len) */
      "s %x\r",			/* getmem.cmdl (addr, len) */
      NULL,			/* getmem.cmdll (addr, len) */
      " : ",			/* getmem.resp_delim */
      " ",			/* getmem.term */
      ".\r",			/* getmem.term_cmd */
  };
#else
  op50n_cmds.getmem.cmdb = "dx %x s%x\r";	/* getmem.cmdb (addr, len) */
  op50n_cmds.getmem.cmdw = NULL;	/* getmem.cmdw (addr, len) */
  op50n_cmds.getmem.cmdl = NULL;	/* getmem.cmdl (addr, len) */
  op50n_cmds.getmem.cmdll = NULL;	/* getmem.cmdll (addr, len) */
  op50n_cmds.getmem.resp_delim = " : ";		/* getmem.resp_delim */
  op50n_cmds.getmem.term = NULL;	/* getmem.term */
  op50n_cmds.getmem.term_cmd = NULL;	/* getmem.term_cmd */
#endif
  op50n_cmds.setreg.cmd = "x %s %x\r";	/* setreg.cmd (name, value) */
  op50n_cmds.setreg.resp_delim = NULL;	/* setreg.resp_delim */
  op50n_cmds.setreg.term = NULL;	/* setreg.term */
  op50n_cmds.setreg.term_cmd = NULL;	/* setreg.term_cmd */
  op50n_cmds.getreg.cmd = "x %s\r";	/* getreg.cmd (name) */
  op50n_cmds.getreg.resp_delim = "=";	/* getreg.resp_delim */
  op50n_cmds.getreg.term = " ";	/* getreg.term */
  op50n_cmds.getreg.term_cmd = ".\r";	/* getreg.term_cmd */
  op50n_cmds.dump_registers = NULL;	/* dump_registers */
  op50n_cmds.register_pattern = NULL;	/* register_pattern */
  op50n_cmds.supply_register = NULL;	/* supply_register */
  op50n_cmds.load_routine = NULL;	/* load routine */
  op50n_cmds.load = "r 0\r";	/* download command */
  op50n_cmds.loadresp = NULL;	/* load response */
  op50n_cmds.prompt = "\n#";	/* monitor command prompt */
  op50n_cmds.line_term = "\r";	/* end-of-command delimitor */
  op50n_cmds.cmd_end = NULL;	/* optional command terminator */
  op50n_cmds.target = &op50n_ops;	/* target operations */
  op50n_cmds.stopbits = SERIAL_1_STOPBITS;	/* number of stop bits */
  op50n_cmds.regnames = op50n_regnames;		/* register names */
  op50n_cmds.magic = MONITOR_OPS_MAGIC;		/* magic */
};

static void
op50n_open (char *args, int from_tty)
{
  monitor_open (args, &op50n_cmds, from_tty);
}

void
_initialize_op50n (void)
{
  init_op50n_cmds ();
  init_monitor_ops (&op50n_ops);

  op50n_ops.to_shortname = "op50n";
  op50n_ops.to_longname = "Oki's debug monitor for the Op50n Eval board";
  op50n_ops.to_doc = "Debug on a Oki OP50N eval board.\n\
Specify the serial device it is connected to (e.g. /dev/ttya).";
  op50n_ops.to_open = op50n_open;

  add_target (&op50n_ops);
}