+++ /dev/null
-/*
- * Copyright © 2008 Keith Packard <keithp@keithp.com>
- *
- * 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 "s51.h"
-
-static struct command_function functions[] = {
- { "help", "?", command_help, "help", "Print this list\n" },
- { "quit", "q", command_quit, "[q]uit", "Quit\n" },
- { "di", "di", command_di, "di <start> <end>",
- "Dump imem\n" },
- { "ds", "ds", command_ds, "ds <start> <end>",
- "Dump sprs\n" },
- { "dx", "dx", command_dx, "dx <start> <end>",
- "Dump xaddr\n" },
- { "set", "t", command_set, "se[t] mem <prefix> <address> <data> ...",
- "Set mem {xram|rom|iram|sfr}\n"
- "set bit <addr>\n" },
- { "dump", "d", command_dump, "[d]ump <prefix> <start> <end>",
- "Dump {xram|rom|iram|sfr} <start> <end>\n" },
- { "file", "file", command_file, "file <filename>",
- "Pretend to load executable from <filename>\n" },
- { "pc", "p", command_pc, "[p]c [addr]",
- "Get or set pc value\n" },
- { "break", "b", command_break,"[b]reak <addr>",
- "Set break point\n" },
- { "clear", "c", command_clear,"[c]lear <addr>",
- "Clear break point\n" },
- { "run", "r", command_run, "[r]un [start] [stop]",
- "Run with optional start and temp breakpoint addresses\n" },
- { "go", "g", command_run, "[g]o [start] [stop]",
- "Run with optional start and temp breakpoint addresses\n" },
- { "next", "n", command_next, "[n]ext",
- "Step over one instruction, past any call\n" },
- { "step", "s", command_step, "[s]tep",
- "Single step\n" },
- { "load", "l", command_load, "[l]oad <file>",
- "Load a hex file into memory or flash" },
- { "halt", "h", command_halt, "[h]alt",
- "Halt the processor\n" },
- { "reset","res",command_reset, "[res]et",
- "Reset the CPU\n" },
- { "status","status",command_status, "status",
- "Display CC1111 debug status\n" },
- { "info", "i", command_info, "[i]info",
- "Get information\n" },
- { "stop", "stop", command_stop, "stop",
- "Ignored\n" },
- { NULL, NULL, NULL, NULL, NULL },
-};
-
-#ifndef FALSE
-#define FALSE 0
-#define TRUE 1
-#endif
-
-static int
-string_to_int(char *s, int *v)
-{
- char *endptr;
-
- if (isdigit(s[0]) || s[0] == '-' || s[0] == '+') {
- *v = strtol(s, &endptr, 0);
- if (endptr == s)
- return FALSE;
- } else if (*s == '\'') {
- s++;
- if (*s == '\\') {
- s++;
- switch (*s) {
- case 'n':
- *v = '\n';
- break;
- case 't':
- *v = '\t';
- break;
- default:
- *v = (int) *s;
- break;
- }
- } else
- *v = (int) *s;
- s++;
- if (*s != '\'')
- return FALSE;
- }
- else
- return FALSE;
- return TRUE;
-}
-
-struct command_function *
-command_string_to_function(struct command_function *functions, char *name)
-{
- int i;
- for (i = 0; functions[i].name; i++)
- if (!strcmp(name, functions[i].name) ||
- !strcmp(name, functions[i].alias))
- return &functions[i];
- return NULL;
-}
-
-enum command_result
-command_function_help(struct command_function *functions, int argc, char **argv)
-{
- int i;
- struct command_function *func;
-
- if (argc == 1) {
- for (i = 0; functions[i].name; i++)
- s51_printf("%-10s%s\n", functions[i].name,
- functions[i].usage);
- } else {
- for (i = 1; i < argc; i++) {
- func = command_string_to_function(functions, argv[i]);
- if (!func) {
- s51_printf("%-10s unknown command\n", argv[i]);
- return command_syntax;
- }
- s51_printf("%-10s %s\n%s", func->name,
- func->usage, func->help);
- }
- }
- return command_debug;
-}
-
-static int
-command_split_into_words(char *line, char **argv)
-{
- char quotechar;
- int argc;
-
- argc = 0;
- while (*line) {
- while (isspace(*line))
- line++;
- if (!*line)
- break;
- if (*line == '"') {
- quotechar = *line++;
- *argv++ = line;
- argc++;
- while (*line && *line != quotechar)
- line++;
- if (*line)
- *line++ = '\0';
- } else {
- *argv++ = line;
- argc++;
- while (*line && !isspace(*line))
- line++;
- if (*line)
- *line++ = '\0';
- }
- }
- *argv = 0;
- return argc;
-}
-
-enum command_result
-command_help(int argc, char **argv)
-{
- return command_function_help(functions, argc, argv);
-}
-
-void
-command_syntax_error(int argc, char **argv)
-{
- s51_printf("Syntax error in:");
- while (*argv)
- s51_printf(" %s", *argv++);
- s51_printf("\n");
-}
-
-void
-command_read (void)
-{
- int argc;
- char line[1024];
- char *argv[20];
- enum command_result result;
- struct command_function *func;
-
- s51_dbg = ccdbg_open ();
- if (!s51_dbg) {
- perror("ccdbg_open");
- exit(1);
- }
- ccdbg_debug_mode(s51_dbg);
- ccdbg_halt(s51_dbg);
- s51_printf("Welcome to the non-simulated processor\n");
- for (;;) {
- if (s51_read_line (line, sizeof line) == 0)
- break;
- s51_interrupted = 0;
- argc = command_split_into_words(line, argv);
- if (argc > 0) {
- func = command_string_to_function(functions, argv[0]);
- if (!func)
- command_syntax_error(argc, argv);
- else
- {
- result = (*func->func)(argc, argv);
- if (s51_interrupted)
- result = command_interrupt;
- switch (result) {
- case command_syntax:
- command_syntax_error(argc, argv);
- break;
- case command_error:
- s51_printf("Error\n");
- break;
- case command_success:
- break;
- case command_interrupt:
- ccdbg_halt(s51_dbg);
- s51_printf("Interrupted\n");
- break;
- default:
- break;
- }
- }
- }
- }
- ccdbg_close(s51_dbg);
- s51_printf("...\n");
-}
projects / fw / altos / blobdiff