mspdebug/util/opdb.c

189 lines
3.7 KiB
C

/* MSPDebug - debugging tool for MSP430 MCUs
* Copyright (C) 2009, 2010 Daniel Beer
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <string.h>
#include "opdb.h"
#include "util.h"
static const struct opdb_key keys[] = {
{
.name = "color",
.type = OPDB_TYPE_BOOLEAN,
.help = "Colorize debugging output.\n",
.defval = {
.boolean = 0
}
},
{
.name = "gdb_loop",
.type = OPDB_TYPE_BOOLEAN,
.help =
"Automatically restart the GDB server after disconnection. If this\n"
"option is set, then the GDB server keeps running until an error occurs,\n"
"or the user interrupts with Ctrl+C.\n",
.defval = {
.boolean = 0
}
},
{
.name = "quiet",
.type = OPDB_TYPE_BOOLEAN,
.help = "Supress debugging output.\n",
.defval = {
.boolean = 0
}
},
{
.name = "iradix",
.type = OPDB_TYPE_NUMERIC,
.help = "Default input radix.\n",
.defval = {
.numeric = 10
}
},
{
.name = "fet_block_size",
.type = OPDB_TYPE_NUMERIC,
.help =
"Size of buffer used for memory transfers to and from the FET device.\n"
"Increasing this value will result in faster transfers, but may cause\n"
"problems with some chips.\n",
.defval = {
.numeric = 64
}
},
{
.name = "gdbc_xfer_size",
.type = OPDB_TYPE_NUMERIC,
.help =
"Maximum size of memory transfers for the GDB client. Increasing this\n"
"value will result in faster transfers, but may cause problems with some\n"
"servers.\n",
.defval = {
.numeric = 64
}
}
};
static union opdb_value values[ARRAY_LEN(keys)];
static int opdb_find(const char *name)
{
int i;
for (i = 0; i < ARRAY_LEN(keys); i++) {
const struct opdb_key *key = &keys[i];
if (!strcasecmp(key->name, name))
return i;
}
return -1;
}
void opdb_reset(void)
{
int i;
for (i = 0; i < ARRAY_LEN(keys); i++) {
const struct opdb_key *key = &keys[i];
union opdb_value *value = &values[i];
memcpy(value, &key->defval, sizeof(*value));
}
}
int opdb_enum(opdb_enum_func_t func, void *user_data)
{
int i;
for (i = 0; i < ARRAY_LEN(keys); i++) {
const struct opdb_key *key = &keys[i];
const union opdb_value *value = &values[i];
if (func(user_data, key, value) < 0)
return -1;
}
return 0;
}
int opdb_get(const char *name, struct opdb_key *key,
union opdb_value *value)
{
int i;
i = opdb_find(name);
if (i < 0)
return -1;
if (key)
memcpy(key, &keys[i], sizeof(*key));
if (value)
memcpy(value, &values[i], sizeof(*value));
return 0;
}
int opdb_set(const char *name, const union opdb_value *value)
{
int i;
union opdb_value *v;
i = opdb_find(name);
if (i < 0)
return -1;
v = &values[i];
memcpy(v, value, sizeof(values[i]));
if (keys[i].type == OPDB_TYPE_STRING)
v->string[sizeof(v->string) - 1] = 0;
return 0;
}
const char *opdb_get_string(const char *name)
{
int idx = opdb_find(name);
if (idx < 0)
return "";
return values[idx].string;
}
int opdb_get_boolean(const char *name)
{
int idx = opdb_find(name);
if (idx < 0)
return 0;
return values[idx].boolean;
}
address_t opdb_get_numeric(const char *name)
{
int idx = opdb_find(name);
if (idx < 0)
return 0;
return values[idx].numeric;
}