311 lines
7.2 KiB
C
311 lines
7.2 KiB
C
/* MSPDebug - debugging tool for MSP430 MCUs
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* Copyright (C) 2009, 2010 Daniel Beer
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <string.h>
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#include "cmddb.h"
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#include "util.h"
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#include "devcmd.h"
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#include "gdb.h"
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#include "rtools.h"
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#include "sym.h"
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#include "stdcmd.h"
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#include "simio.h"
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const struct cmddb_record commands[] = {
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{
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.name = "help",
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.func = cmd_help,
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.help =
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"help [command]\n"
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" Without arguments, displays a list of commands. With a command\n"
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" name as an argument, displays help for that command.\n"
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},
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{
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.name = "opt",
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.func = cmd_opt,
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.help =
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"opt [name] [value]\n"
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" Query or set option variables. With no arguments, displays all\n"
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" available options.\n"
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},
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{
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.name = "read",
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.func = cmd_read,
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.help =
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"read <filename>\n"
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" Read commands from a file and evaluate them.\n"
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},
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{
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.name = "setbreak",
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.func = cmd_setbreak,
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.help =
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"setbreak <addr> [index]\n"
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" Set a breakpoint. If no index is specified, the first available\n"
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" slot will be used.\n"
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},
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{
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.name = "delbreak",
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.func = cmd_delbreak,
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.help =
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"delbreak [index]\n"
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" Delete a breakpoint. If no index is specified, then all active\n"
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" breakpoints are cleared.\n"
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},
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{
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.name = "break",
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.func = cmd_break,
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.help =
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"break\n"
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" List active breakpoints.\n"
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},
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{
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.name = "regs",
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.func = cmd_regs,
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.help =
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"regs\n"
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" Read and display the current register contents.\n"
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},
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{
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.name = "prog",
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.func = cmd_prog,
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.help =
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"prog <filename>\n"
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" Erase the device and flash the data contained in a binary file.\n"
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" This command also loads symbols from the file, if available.\n"
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},
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{
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.name = "load",
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.func = cmd_load,
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.help =
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"load <filename>\n"
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" Flash the data contained in a binary file. Does not load symbols\n"
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" or erase the device.\n"
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},
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{
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.name = "md",
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.func = cmd_md,
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.help =
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"md <address> [length]\n"
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" Read the specified number of bytes from memory at the given\n"
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" address, and display a hexdump.\n"
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},
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{
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.name = "mw",
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.func = cmd_mw,
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.help =
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"mw <address> bytes ...\n"
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" Write a sequence of bytes to a memory address. Byte values are\n"
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" two-digit hexadecimal numbers.\n"
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},
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{
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.name = "reset",
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.func = cmd_reset,
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.help =
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"reset\n"
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" Reset (and halt) the CPU.\n"
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},
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{
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.name = "erase",
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.func = cmd_erase,
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.help =
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"erase [all|segment] [address]\n"
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" Erase the device under test. With no arguments, erases all of main\n"
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" memory. Specify arguments to perform a mass erase, or to erase\n"
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" individual segments.\n"
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},
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{
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.name = "step",
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.func = cmd_step,
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.help =
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"step [count]\n"
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" Single-step the CPU, and display the register state.\n"
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},
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{
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.name = "run",
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.func = cmd_run,
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.help =
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"run\n"
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" Run the CPU to until a breakpoint is reached or the command is\n"
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" interrupted.\n"
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},
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{
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.name = "set",
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.func = cmd_set,
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.help =
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"set <register> <value>\n"
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" Change the value of a CPU register.\n"
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},
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{
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.name = "dis",
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.func = cmd_dis,
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.help =
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"dis <address> [length]\n"
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" Disassemble a section of memory.\n"
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},
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{
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.name = "hexout",
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.func = cmd_hexout,
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.help =
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"hexout <address> <length> <filename.hex>\n"
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" Save a region of memory into a HEX file.\n"
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},
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{
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.name = "gdb",
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.func = cmd_gdb,
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.help =
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"gdb [port]\n"
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" Run a GDB remote stub on the given TCP/IP port.\n"
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},
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{
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.name = "=",
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.func = cmd_eval,
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.help =
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"= <expression>\n"
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" Evaluate an expression using the symbol table.\n"
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},
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{
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.name = "sym",
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.func = cmd_sym,
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.help =
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"sym clear\n"
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" Clear the symbol table.\n"
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"sym set <name> <value>\n"
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" Set or overwrite the value of a symbol.\n"
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"sym del <name>\n"
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" Delete a symbol from the symbol table.\n"
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"sym import <filename>\n"
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" Load symbols from the given file.\n"
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"sym import+ <filename>\n"
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" Load additional symbols from the given file.\n"
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"sym export <filename>\n"
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" Save the current symbols to a BSD-style symbol file.\n"
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"sym find <regex>\n"
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" Search for symbols by regular expression.\n"
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"sym rename <regex> <string>\n"
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" Replace every occurance of a pattern in symbol names.\n"
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},
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{
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.name = "isearch",
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.func = cmd_isearch,
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.help =
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"isearch <address> <length> [options ...]\n"
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" Search for an instruction matching certain search terms. These\n"
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" terms may be any of the following:\n"
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" opcode <opcode>\n"
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" byte|word|aword\n"
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" jump|single|double|noarg\n"
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" src <value>\n"
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" dst <value>\n"
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" srcreg <register>\n"
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" dstreg <register>\n"
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" srcmode R|I|S|&|@|+|#\n"
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" dstmode R|I|S|&|@|+|#\n"
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" For single-operand instructions, the operand is considered the\n"
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" destination operand.\n"
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},
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{
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.name = "cgraph",
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.func = cmd_cgraph,
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.help =
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"cgraph <address> <length> [function]\n"
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" Analyse the range given and produce a call graph. Displays a summary\n"
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" of all functions if no function address is given.\n"
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},
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{
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.name = "locka",
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.func = cmd_locka,
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.help =
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"locka [set|clear]\n"
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" Show or change the status of the LOCKA flash write-protect bit.\n"
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},
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{
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.name = "exit",
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.func = cmd_exit,
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.help =
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"exit\n"
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" Exit from MSPDebug.\n"
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},
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{
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.name = "simio",
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.func = cmd_simio,
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.help =
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"simio add <class> <name> [args ...]\n"
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" Add a new device to the IO simulator's bus.\n"
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"simio del <name>\n"
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" Delete a device from the bus.\n"
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"simio devices\n"
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" Show all devices attached to the bus.\n"
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"simio classes\n"
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" Show the types of devices which may be attached.\n"
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"simio help <class>\n"
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" Obtain more information about a device type.\n"
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"simio config <name> <param> [args ...]\n"
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" Change settings of an attached device.\n"
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"simio info <name>\n"
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" Print status information for an attached device.\n"
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}
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};
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int cmddb_get(const char *name, struct cmddb_record *ret)
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{
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int len = strlen(name);
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int i;
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const struct cmddb_record *found = NULL;
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/* First look for an exact match */
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for (i = 0; i < ARRAY_LEN(commands); i++) {
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const struct cmddb_record *r = &commands[i];
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if (!strcasecmp(r->name, name)) {
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found = r;
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goto done;
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}
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}
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/* Allow partial matches if unambiguous */
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for (i = 0; i < ARRAY_LEN(commands); i++) {
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const struct cmddb_record *r = &commands[i];
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if (!strncasecmp(r->name, name, len)) {
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if (found)
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return -1;
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found = r;
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}
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}
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if (!found)
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return -1;
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done:
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memcpy(ret, found, sizeof(*ret));
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return 0;
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}
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int cmddb_enum(cmddb_enum_func_t func, void *user_data)
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{
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int i;
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for (i = 0; i < ARRAY_LEN(commands); i++)
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if (func(user_data, &commands[i]) < 0)
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return -1;
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return 0;
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}
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