Rename tools to ao-<foo>
[fw/altos] / ao-tools / ao-dbg / ao-dbg-parse.c
diff --git a/ao-tools/ao-dbg/ao-dbg-parse.c b/ao-tools/ao-dbg/ao-dbg-parse.c
new file mode 100644 (file)
index 0000000..5db6c01
--- /dev/null
@@ -0,0 +1,241 @@
+/*
+ * 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 "ao-dbg.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");
+}