345 lines
7.1 KiB
C
345 lines
7.1 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 <stdio.h>
|
|
#include <ctype.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
|
|
#include "dis.h"
|
|
#include "device.h"
|
|
#include "binfile.h"
|
|
#include "stab.h"
|
|
#include "util.h"
|
|
#include "gdb.h"
|
|
#include "rtools.h"
|
|
#include "sym.h"
|
|
#include "devcmd.h"
|
|
|
|
#include "sim.h"
|
|
#include "bsl.h"
|
|
#include "fet.h"
|
|
|
|
#include "uif.h"
|
|
#include "rf2500.h"
|
|
|
|
static void io_prefix(const char *prefix, u_int16_t pc,
|
|
u_int16_t addr, int is_byte)
|
|
{
|
|
char name[64];
|
|
|
|
if (!stab_nearest(pc, name, sizeof(name), &pc)) {
|
|
printf("%s", name);
|
|
if (pc)
|
|
printf("+0x%x", pc);
|
|
} else {
|
|
printf("0x%04x", pc);
|
|
}
|
|
|
|
printf(": IO %s.%c: 0x%04x", prefix, is_byte ? 'B' : 'W', addr);
|
|
if (!stab_nearest(addr, name, sizeof(name), &addr)) {
|
|
printf(" (%s", name);
|
|
if (addr)
|
|
printf("+0x%x", addr);
|
|
printf(")");
|
|
}
|
|
}
|
|
|
|
static int fetch_io(void *user_data, u_int16_t pc,
|
|
u_int16_t addr, int is_byte, u_int16_t *data_ret)
|
|
{
|
|
io_prefix("READ", pc, addr, is_byte);
|
|
|
|
for (;;) {
|
|
char text[128];
|
|
int len;
|
|
int data;
|
|
|
|
printf("? ");
|
|
fflush(stdout);
|
|
if (!fgets(text, sizeof(text), stdin)) {
|
|
printf("\nAborted IO request\n");
|
|
return -1;
|
|
}
|
|
|
|
len = strlen(text);
|
|
while (len && isspace(text[len - 1]))
|
|
len--;
|
|
text[len] = 0;
|
|
|
|
if (!len)
|
|
return 0;
|
|
|
|
if (!stab_exp(text, &data)) {
|
|
if (data_ret)
|
|
*data_ret = data;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void store_io(void *user_data, u_int16_t pc,
|
|
u_int16_t addr, int is_byte, u_int16_t data)
|
|
{
|
|
io_prefix("WRITE", pc, addr, is_byte);
|
|
|
|
if (is_byte)
|
|
printf(" => 0x%02x\n", data & 0xff);
|
|
else
|
|
printf(" => 0x%04x\n", data);
|
|
}
|
|
|
|
static void usage(const char *progname)
|
|
{
|
|
fprintf(stderr,
|
|
"Usage: %s [options] -R [-v voltage] [command ...]\n"
|
|
" %s [options] -u <device> [-j] [-v voltage] [command ...]\n"
|
|
" %s [options] -B <device> [command ...]\n"
|
|
" %s [options] -s [command ...]\n"
|
|
"\n"
|
|
" -R\n"
|
|
" Open the first available RF2500 device on the USB bus.\n"
|
|
" -u device\n"
|
|
" Open the given tty device (MSP430 UIF compatible devices).\n"
|
|
" -j\n"
|
|
" Use JTAG, rather than spy-bi-wire (UIF devices only).\n"
|
|
" -v voltage\n"
|
|
" Set the supply voltage, in millivolts.\n"
|
|
" -B device\n"
|
|
" Debug the FET itself through the bootloader.\n"
|
|
" -s\n"
|
|
" Start in simulation mode.\n"
|
|
" -n\n"
|
|
" Do not read ~/.mspdebug on startup.\n"
|
|
" -?\n"
|
|
" Show this help text.\n"
|
|
"\n"
|
|
"By default, the first RF2500 device on the USB bus is opened.\n"
|
|
"\n"
|
|
"If commands are given, they will be executed. Otherwise, an interactive\n"
|
|
"command reader is started.\n",
|
|
progname, progname, progname, progname);
|
|
}
|
|
|
|
static void process_rc_file(cproc_t cp)
|
|
{
|
|
const char *home = getenv("HOME");
|
|
char text[256];
|
|
|
|
if (!home)
|
|
return;
|
|
|
|
snprintf(text, sizeof(text), "%s/.mspdebug", home);
|
|
if (!access(text, F_OK))
|
|
cproc_process_file(cp, text);
|
|
}
|
|
|
|
#define MODE_RF2500 0x01
|
|
#define MODE_UIF 0x02
|
|
#define MODE_UIF_BSL 0x04
|
|
#define MODE_SIM 0x08
|
|
|
|
struct cmdline_args {
|
|
const char *uif_device;
|
|
const char *bsl_device;
|
|
int mode;
|
|
int want_jtag;
|
|
int no_rc;
|
|
int vcc_mv;
|
|
};
|
|
|
|
static int parse_cmdline_args(int argc, char **argv,
|
|
struct cmdline_args *args)
|
|
{
|
|
int opt;
|
|
|
|
while ((opt = getopt(argc, argv, "u:jv:B:sR?n")) >= 0)
|
|
switch (opt) {
|
|
case 'R':
|
|
args->mode |= MODE_RF2500;
|
|
break;
|
|
|
|
case 'u':
|
|
args->uif_device = optarg;
|
|
args->mode |= MODE_UIF;
|
|
break;
|
|
|
|
case 'v':
|
|
args->vcc_mv = atoi(optarg);
|
|
break;
|
|
|
|
case 'j':
|
|
args->want_jtag = 1;
|
|
break;
|
|
|
|
case 'B':
|
|
args->bsl_device = optarg;
|
|
args->mode |= MODE_UIF_BSL;
|
|
break;
|
|
|
|
case 's':
|
|
args->mode |= MODE_SIM;
|
|
break;
|
|
|
|
case 'n':
|
|
args->no_rc = 1;
|
|
break;
|
|
|
|
case '?':
|
|
usage(argv[0]);
|
|
return 0;
|
|
|
|
default:
|
|
fprintf(stderr, "Invalid argument: %c\n"
|
|
"Try -? for help.\n", opt);
|
|
return -1;
|
|
}
|
|
|
|
/* Check for incompatible arguments */
|
|
if (args->mode & (args->mode - 1)) {
|
|
fprintf(stderr, "Multiple incompatible options specified.\n"
|
|
"Try -? for help.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!args->mode) {
|
|
fprintf(stderr, "You need to specify an operating mode.\n"
|
|
"Try -? for help.\n");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
device_t setup_device(const struct cmdline_args *args)
|
|
{
|
|
device_t msp430_dev = NULL;
|
|
transport_t trans = NULL;
|
|
|
|
/* Open a device */
|
|
if (args->mode == MODE_SIM) {
|
|
msp430_dev = sim_open(fetch_io, store_io, NULL);
|
|
} else if (args->mode == MODE_UIF_BSL) {
|
|
msp430_dev = bsl_open(args->bsl_device);
|
|
} else if (args->mode == MODE_RF2500 || args->mode == MODE_UIF) {
|
|
int flags = 0;
|
|
|
|
/* Open the appropriate transport */
|
|
if (args->mode == MODE_UIF) {
|
|
trans = uif_open(args->uif_device);
|
|
} else {
|
|
trans = rf2500_open();
|
|
flags |= FET_PROTO_RF2500;
|
|
}
|
|
|
|
if (!trans)
|
|
return NULL;
|
|
|
|
/* Then initialize the device */
|
|
if (!args->want_jtag)
|
|
flags |= FET_PROTO_SPYBIWIRE;
|
|
|
|
msp430_dev = fet_open(trans, flags, args->vcc_mv);
|
|
}
|
|
|
|
if (!msp430_dev) {
|
|
if (trans)
|
|
trans->destroy(trans);
|
|
return NULL;
|
|
}
|
|
|
|
return msp430_dev;
|
|
}
|
|
|
|
cproc_t setup_cproc(const struct cmdline_args *args)
|
|
{
|
|
device_t msp430_dev = setup_device(args);
|
|
cproc_t cp;
|
|
|
|
if (!msp430_dev)
|
|
return NULL;
|
|
|
|
cp = cproc_new(msp430_dev);
|
|
if (!cp) {
|
|
msp430_dev->destroy(msp430_dev);
|
|
return NULL;
|
|
}
|
|
|
|
if (sym_register(cp) < 0 ||
|
|
devcmd_register(cp) < 0 ||
|
|
gdb_register(cp) < 0 ||
|
|
rtools_register(cp) < 0) {
|
|
cproc_destroy(cp);
|
|
return NULL;
|
|
}
|
|
|
|
return cp;
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
struct cmdline_args args = {0};
|
|
cproc_t cp;
|
|
int ret = 0;
|
|
|
|
puts(
|
|
"MSPDebug version 0.6 - debugging tool for MSP430 MCUs\n"
|
|
"Copyright (C) 2009, 2010 Daniel Beer <daniel@tortek.co.nz>\n"
|
|
"This is free software; see the source for copying conditions. There is NO\n"
|
|
"warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n");
|
|
|
|
args.vcc_mv = 3000;
|
|
if (parse_cmdline_args(argc, argv, &args) < 0)
|
|
return -1;
|
|
|
|
ctrlc_init();
|
|
|
|
if (stab_init() < 0)
|
|
return -1;
|
|
|
|
cp = setup_cproc(&args);
|
|
if (!cp) {
|
|
stab_exit();
|
|
return -1;
|
|
}
|
|
|
|
if (!args.no_rc)
|
|
process_rc_file(cp);
|
|
|
|
/* Process commands */
|
|
if (optind < argc) {
|
|
while (optind < argc) {
|
|
if (cproc_process_command(cp, argv[optind++]) < 0) {
|
|
ret = -1;
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
cproc_reader_loop(cp);
|
|
}
|
|
|
|
cproc_destroy(cp);
|
|
stab_exit();
|
|
|
|
return ret;
|
|
}
|