mspdebug/cmddb.c

311 lines
7.2 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 "cmddb.h"
#include "util.h"
#include "devcmd.h"
#include "gdb.h"
#include "rtools.h"
#include "sym.h"
#include "stdcmd.h"
#include "simio.h"
const struct cmddb_record commands[] = {
{
.name = "help",
.func = cmd_help,
.help =
"help [command]\n"
" Without arguments, displays a list of commands. With a command\n"
" name as an argument, displays help for that command.\n"
},
{
.name = "opt",
.func = cmd_opt,
.help =
"opt [name] [value]\n"
" Query or set option variables. With no arguments, displays all\n"
" available options.\n"
},
{
.name = "read",
.func = cmd_read,
.help =
"read <filename>\n"
" Read commands from a file and evaluate them.\n"
},
{
.name = "setbreak",
.func = cmd_setbreak,
.help =
"setbreak <addr> [index]\n"
" Set a breakpoint. If no index is specified, the first available\n"
" slot will be used.\n"
},
{
.name = "delbreak",
.func = cmd_delbreak,
.help =
"delbreak [index]\n"
" Delete a breakpoint. If no index is specified, then all active\n"
" breakpoints are cleared.\n"
},
{
.name = "break",
.func = cmd_break,
.help =
"break\n"
" List active breakpoints.\n"
},
{
.name = "regs",
.func = cmd_regs,
.help =
"regs\n"
" Read and display the current register contents.\n"
},
{
.name = "prog",
.func = cmd_prog,
.help =
"prog <filename>\n"
" Erase the device and flash the data contained in a binary file.\n"
" This command also loads symbols from the file, if available.\n"
},
{
.name = "load",
.func = cmd_load,
.help =
"load <filename>\n"
" Flash the data contained in a binary file. Does not load symbols\n"
" or erase the device.\n"
},
{
.name = "md",
.func = cmd_md,
.help =
"md <address> [length]\n"
" Read the specified number of bytes from memory at the given\n"
" address, and display a hexdump.\n"
},
{
.name = "mw",
.func = cmd_mw,
.help =
"mw <address> bytes ...\n"
" Write a sequence of bytes to a memory address. Byte values are\n"
" two-digit hexadecimal numbers.\n"
},
{
.name = "reset",
.func = cmd_reset,
.help =
"reset\n"
" Reset (and halt) the CPU.\n"
},
{
.name = "erase",
.func = cmd_erase,
.help =
"erase [all|segment] [address]\n"
" Erase the device under test. With no arguments, erases all of main\n"
" memory. Specify arguments to perform a mass erase, or to erase\n"
" individual segments.\n"
},
{
.name = "step",
.func = cmd_step,
.help =
"step [count]\n"
" Single-step the CPU, and display the register state.\n"
},
{
.name = "run",
.func = cmd_run,
.help =
"run\n"
" Run the CPU to until a breakpoint is reached or the command is\n"
" interrupted.\n"
},
{
.name = "set",
.func = cmd_set,
.help =
"set <register> <value>\n"
" Change the value of a CPU register.\n"
},
{
.name = "dis",
.func = cmd_dis,
.help =
"dis <address> [length]\n"
" Disassemble a section of memory.\n"
},
{
.name = "hexout",
.func = cmd_hexout,
.help =
"hexout <address> <length> <filename.hex>\n"
" Save a region of memory into a HEX file.\n"
},
{
.name = "gdb",
.func = cmd_gdb,
.help =
"gdb [port]\n"
" Run a GDB remote stub on the given TCP/IP port.\n"
},
{
.name = "=",
.func = cmd_eval,
.help =
"= <expression>\n"
" Evaluate an expression using the symbol table.\n"
},
{
.name = "sym",
.func = cmd_sym,
.help =
"sym clear\n"
" Clear the symbol table.\n"
"sym set <name> <value>\n"
" Set or overwrite the value of a symbol.\n"
"sym del <name>\n"
" Delete a symbol from the symbol table.\n"
"sym import <filename>\n"
" Load symbols from the given file.\n"
"sym import+ <filename>\n"
" Load additional symbols from the given file.\n"
"sym export <filename>\n"
" Save the current symbols to a BSD-style symbol file.\n"
"sym find <regex>\n"
" Search for symbols by regular expression.\n"
"sym rename <regex> <string>\n"
" Replace every occurance of a pattern in symbol names.\n"
},
{
.name = "isearch",
.func = cmd_isearch,
.help =
"isearch <address> <length> [options ...]\n"
" Search for an instruction matching certain search terms. These\n"
" terms may be any of the following:\n"
" opcode <opcode>\n"
" byte|word|aword\n"
" jump|single|double|noarg\n"
" src <value>\n"
" dst <value>\n"
" srcreg <register>\n"
" dstreg <register>\n"
" srcmode R|I|S|&|@|+|#\n"
" dstmode R|I|S|&|@|+|#\n"
" For single-operand instructions, the operand is considered the\n"
" destination operand.\n"
},
{
.name = "cgraph",
.func = cmd_cgraph,
.help =
"cgraph <address> <length> [function]\n"
" Analyse the range given and produce a call graph. Displays a summary\n"
" of all functions if no function address is given.\n"
},
{
.name = "locka",
.func = cmd_locka,
.help =
"locka [set|clear]\n"
" Show or change the status of the LOCKA flash write-protect bit.\n"
},
{
.name = "exit",
.func = cmd_exit,
.help =
"exit\n"
" Exit from MSPDebug.\n"
},
{
.name = "simio",
.func = cmd_simio,
.help =
"simio add <class> <name> [args ...]\n"
" Add a new device to the IO simulator's bus.\n"
"simio del <name>\n"
" Delete a device from the bus.\n"
"simio devices\n"
" Show all devices attached to the bus.\n"
"simio classes\n"
" Show the types of devices which may be attached.\n"
"simio help <class>\n"
" Obtain more information about a device type.\n"
"simio config <name> <param> [args ...]\n"
" Change settings of an attached device.\n"
"simio info <name>\n"
" Print status information for an attached device.\n"
}
};
int cmddb_get(const char *name, struct cmddb_record *ret)
{
int len = strlen(name);
int i;
const struct cmddb_record *found = NULL;
/* First look for an exact match */
for (i = 0; i < ARRAY_LEN(commands); i++) {
const struct cmddb_record *r = &commands[i];
if (!strcasecmp(r->name, name)) {
found = r;
goto done;
}
}
/* Allow partial matches if unambiguous */
for (i = 0; i < ARRAY_LEN(commands); i++) {
const struct cmddb_record *r = &commands[i];
if (!strncasecmp(r->name, name, len)) {
if (found)
return -1;
found = r;
}
}
if (!found)
return -1;
done:
memcpy(ret, found, sizeof(*ret));
return 0;
}
int cmddb_enum(cmddb_enum_func_t func, void *user_data)
{
int i;
for (i = 0; i < ARRAY_LEN(commands); i++)
if (func(user_data, &commands[i]) < 0)
return -1;
return 0;
}