OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [insight/] [gdb/] [cpu32bug-rom.c] - Blame information for rev 1765

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 578 markom
/* Remote debugging interface for CPU32Bug Rom monitor for GDB, the GNU debugger.
2
   Copyright 1995, 1996, 1998, 1999, 2000, 2001
3
   Free Software Foundation, Inc.
4
 
5
   Written by Stu Grossman of Cygnus Support
6
 
7
   This file is part of GDB.
8
 
9
   This program is free software; you can redistribute it and/or modify
10
   it under the terms of the GNU General Public License as published by
11
   the Free Software Foundation; either version 2 of the License, or
12
   (at your option) any later version.
13
 
14
   This program is distributed in the hope that it will be useful,
15
   but WITHOUT ANY WARRANTY; without even the implied warranty of
16
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
   GNU General Public License for more details.
18
 
19
   You should have received a copy of the GNU General Public License
20
   along with this program; if not, write to the Free Software
21
   Foundation, Inc., 59 Temple Place - Suite 330,
22
   Boston, MA 02111-1307, USA.  */
23
 
24
#include "defs.h"
25
#include "gdbcore.h"
26
#include "target.h"
27
#include "monitor.h"
28
#include "serial.h"
29
#include "regcache.h"
30
 
31
static void cpu32bug_open (char *args, int from_tty);
32
 
33
static void
34
cpu32bug_supply_register (char *regname, int regnamelen, char *val, int vallen)
35
{
36
  int regno;
37
 
38
  if (regnamelen != 2)
39
    return;
40
 
41
  switch (regname[0])
42
    {
43
    case 'S':
44
      if (regname[1] != 'R')
45
        return;
46
      regno = PS_REGNUM;
47
      break;
48
    case 'P':
49
      if (regname[1] != 'C')
50
        return;
51
      regno = PC_REGNUM;
52
      break;
53
    case 'D':
54
      if (regname[1] < '0' || regname[1] > '7')
55
        return;
56
      regno = regname[1] - '0' + D0_REGNUM;
57
      break;
58
    case 'A':
59
      if (regname[1] < '0' || regname[1] > '7')
60
        return;
61
      regno = regname[1] - '0' + A0_REGNUM;
62
      break;
63
    default:
64
      return;
65
    }
66
 
67
  monitor_supply_register (regno, val);
68
}
69
 
70
/*
71
 * This array of registers needs to match the indexes used by GDB. The
72
 * whole reason this exists is because the various ROM monitors use
73
 * different names than GDB does, and don't support all the
74
 * registers either. So, typing "info reg sp" becomes an "A7".
75
 */
76
 
77
static char *cpu32bug_regnames[NUM_REGS] =
78
{
79
  "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
80
  "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
81
  "SR", "PC",
82
};
83
 
84
/*
85
 * Define the monitor command strings. Since these are passed directly
86
 * through to a printf style function, we need can include formatting
87
 * strings. We also need a CR or LF on the end.
88
 */
89
 
90
static struct target_ops cpu32bug_ops;
91
 
92
static char *cpu32bug_inits[] =
93
{"\r", NULL};
94
 
95
static struct monitor_ops cpu32bug_cmds;
96
 
97
static void
98
init_cpu32bug_cmds (void)
99
{
100
  cpu32bug_cmds.flags = MO_CLR_BREAK_USES_ADDR;
101
  cpu32bug_cmds.init = cpu32bug_inits;  /* Init strings */
102
  cpu32bug_cmds.cont = "g\r";   /* continue command */
103
  cpu32bug_cmds.step = "t\r";   /* single step */
104
  cpu32bug_cmds.stop = NULL;    /* interrupt command */
105
  cpu32bug_cmds.set_break = "br %x\r";  /* set a breakpoint */
106
  cpu32bug_cmds.clr_break = "nobr %x\r";        /* clear a breakpoint */
107
  cpu32bug_cmds.clr_all_break = "nobr\r";       /* clear all breakpoints */
108
  cpu32bug_cmds.fill = "bf %x:%x %x;b\r";       /* fill (start count val) */
109
  cpu32bug_cmds.setmem.cmdb = "ms %x %02x\r";   /* setmem.cmdb (addr, value) */
110
  cpu32bug_cmds.setmem.cmdw = "ms %x %04x\r";   /* setmem.cmdw (addr, value) */
111
  cpu32bug_cmds.setmem.cmdl = "ms %x %08x\r";   /* setmem.cmdl (addr, value) */
112
  cpu32bug_cmds.setmem.cmdll = NULL;    /* setmem.cmdll (addr, value) */
113
  cpu32bug_cmds.setmem.resp_delim = NULL;       /* setreg.resp_delim */
114
  cpu32bug_cmds.setmem.term = NULL;     /* setreg.term */
115
  cpu32bug_cmds.setmem.term_cmd = NULL;         /* setreg.term_cmd */
116
  cpu32bug_cmds.getmem.cmdb = "md %x:%x;b\r";   /* getmem.cmdb (addr, len) */
117
  cpu32bug_cmds.getmem.cmdw = "md %x:%x;b\r";   /* getmem.cmdw (addr, len) */
118
  cpu32bug_cmds.getmem.cmdl = "md %x:%x;b\r";   /* getmem.cmdl (addr, len) */
119
  cpu32bug_cmds.getmem.cmdll = NULL;    /* getmem.cmdll (addr, len) */
120
  cpu32bug_cmds.getmem.resp_delim = " ";        /* getmem.resp_delim */
121
  cpu32bug_cmds.getmem.term = NULL;     /* getmem.term */
122
  cpu32bug_cmds.getmem.term_cmd = NULL;         /* getmem.term_cmd */
123
  cpu32bug_cmds.setreg.cmd = "rs %s %x\r";      /* setreg.cmd (name, value) */
124
  cpu32bug_cmds.setreg.resp_delim = NULL;       /* setreg.resp_delim */
125
  cpu32bug_cmds.setreg.term = NULL;     /* setreg.term */
126
  cpu32bug_cmds.setreg.term_cmd = NULL;         /* setreg.term_cmd */
127
  cpu32bug_cmds.getreg.cmd = "rs %s\r";         /* getreg.cmd (name) */
128
  cpu32bug_cmds.getreg.resp_delim = "=";        /* getreg.resp_delim */
129
  cpu32bug_cmds.getreg.term = NULL;     /* getreg.term */
130
  cpu32bug_cmds.getreg.term_cmd = NULL;         /* getreg.term_cmd */
131
  cpu32bug_cmds.dump_registers = "rd\r";        /* dump_registers */
132
  cpu32bug_cmds.register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)";        /* register_pattern */
133
  cpu32bug_cmds.supply_register = cpu32bug_supply_register;     /* supply_register */
134
  cpu32bug_cmds.load_routine = NULL;    /* load_routine (defaults to SRECs) */
135
  cpu32bug_cmds.load = "lo\r";  /* download command */
136
  cpu32bug_cmds.loadresp = "\n";        /* load response */
137
  cpu32bug_cmds.prompt = "CPU32Bug>";   /* monitor command prompt */
138
  cpu32bug_cmds.line_term = "\r";       /* end-of-line terminator */
139
  cpu32bug_cmds.cmd_end = NULL; /* optional command terminator */
140
  cpu32bug_cmds.target = &cpu32bug_ops;         /* target operations */
141
  cpu32bug_cmds.stopbits = SERIAL_1_STOPBITS;   /* number of stop bits */
142
  cpu32bug_cmds.regnames = cpu32bug_regnames;   /* registers names */
143
  cpu32bug_cmds.magic = MONITOR_OPS_MAGIC;      /* magic */
144
};                              /* init_cpu32bug_cmds */
145
 
146
static void
147
cpu32bug_open (char *args, int from_tty)
148
{
149
  monitor_open (args, &cpu32bug_cmds, from_tty);
150
}
151
 
152
void
153
_initialize_cpu32bug_rom (void)
154
{
155
  init_cpu32bug_cmds ();
156
  init_monitor_ops (&cpu32bug_ops);
157
 
158
  cpu32bug_ops.to_shortname = "cpu32bug";
159
  cpu32bug_ops.to_longname = "CPU32Bug monitor";
160
  cpu32bug_ops.to_doc = "Debug via the CPU32Bug monitor.\n\
161
Specify the serial device it is connected to (e.g. /dev/ttya).";
162
  cpu32bug_ops.to_open = cpu32bug_open;
163
 
164
  add_target (&cpu32bug_ops);
165
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.