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/*
* 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;
if (!s51_tty) {
if (!s51_device)
s51_device = getenv("AO_DBG_DEVICE");
s51_tty = cc_usbdevs_find_by_arg(s51_device, "TeleDongle");
}
s51_dbg = ccdbg_open (s51_tty);
if (!s51_dbg)
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");
}
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