2011-02-15 02:15:28 +00:00
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/*
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2014-07-10 05:31:11 +00:00
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* Copyright (C) 2011 Peter Zotov <whitequark@whitequark.org>
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* Use of this source code is governed by a BSD-style
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* license that can be found in the LICENSE file.
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*/
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2011-02-15 02:15:28 +00:00
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2011-10-22 15:13:22 +00:00
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#include <getopt.h>
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2013-10-27 15:17:08 +00:00
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#include <signal.h>
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2011-02-15 02:15:28 +00:00
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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2014-05-19 08:35:24 +00:00
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#include <signal.h>
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2011-02-15 02:15:28 +00:00
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#include <unistd.h>
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#include <sys/types.h>
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2012-04-29 13:43:46 +00:00
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#ifdef __MINGW32__
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#include "mingw.h"
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#else
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2011-02-15 02:15:28 +00:00
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#include <sys/socket.h>
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#include <netinet/in.h>
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2011-02-15 16:47:57 +00:00
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#include <arpa/inet.h>
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2012-04-29 13:43:46 +00:00
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#endif
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2011-10-07 20:17:48 +00:00
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#include <stlink-common.h>
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2014-07-12 20:19:41 +00:00
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#include <uglylogging.h>
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2011-10-07 20:17:48 +00:00
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2011-02-15 02:15:28 +00:00
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#include "gdb-remote.h"
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2014-07-12 20:19:41 +00:00
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#include "gdb-server.h"
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2011-10-22 15:13:22 +00:00
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2011-07-14 19:44:09 +00:00
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#define FLASH_BASE 0x08000000
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2011-11-14 21:20:49 +00:00
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//Allways update the FLASH_PAGE before each use, by calling stlink_calculate_pagesize
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2011-07-14 19:44:09 +00:00
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#define FLASH_PAGE (sl->flash_pgsz)
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2013-03-06 21:15:15 +00:00
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stlink_t *connected_stlink = NULL;
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2011-02-15 02:15:28 +00:00
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static const char hex[] = "0123456789abcdef";
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2011-04-04 08:58:54 +00:00
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static const char* current_memory_map = NULL;
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2011-10-22 15:13:22 +00:00
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typedef struct _st_state_t {
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// things from command line, bleh
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int stlink_version;
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int logging_level;
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2014-01-22 21:10:52 +00:00
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int listen_port;
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2013-03-06 19:23:17 +00:00
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int persistent;
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2013-03-06 20:24:15 +00:00
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int reset;
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2011-10-22 15:13:22 +00:00
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} st_state_t;
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2013-03-06 19:23:17 +00:00
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int serve(stlink_t *sl, st_state_t *st);
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2011-11-12 20:36:43 +00:00
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char* make_memory_map(stlink_t *sl);
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2011-02-15 02:15:28 +00:00
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2013-03-06 21:15:15 +00:00
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static void cleanup(int signal __attribute__((unused))) {
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if (connected_stlink) {
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/* Switch back to mass storage mode before closing. */
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stlink_run(connected_stlink);
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stlink_exit_debug_mode(connected_stlink);
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stlink_close(connected_stlink);
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}
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exit(1);
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}
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2011-10-05 10:15:44 +00:00
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2013-04-06 00:55:19 +00:00
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2011-10-22 15:13:22 +00:00
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int parse_options(int argc, char** argv, st_state_t *st) {
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static struct option long_options[] = {
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{"help", no_argument, NULL, 'h'},
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{"verbose", optional_argument, NULL, 'v'},
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{"stlink_version", required_argument, NULL, 's'},
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{"stlinkv1", no_argument, NULL, '1'},
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2014-07-10 05:31:11 +00:00
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{"listen_port", required_argument, NULL, 'p'},
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{"multi", optional_argument, NULL, 'm'},
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{"no-reset", optional_argument, NULL, 'n'},
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2011-10-22 15:13:22 +00:00
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{0, 0, 0, 0},
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};
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2014-07-10 05:31:11 +00:00
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const char * help_str = "%s - usage:\n\n"
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" -h, --help\t\tPrint this help\n"
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" -vXX, --verbose=XX\tSpecify a specific verbosity level (0..99)\n"
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" -v, --verbose\t\tSpecify generally verbose logging\n"
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" -s X, --stlink_version=X\n"
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"\t\t\tChoose what version of stlink to use, (defaults to 2)\n"
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" -1, --stlinkv1\tForce stlink version 1\n"
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" -p 4242, --listen_port=1234\n"
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"\t\t\tSet the gdb server listen port. "
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"(default port: " STRINGIFY(DEFAULT_GDB_LISTEN_PORT) ")\n"
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" -m, --multi\n"
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"\t\t\tSet gdb server to extended mode.\n"
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"\t\t\tst-util will continue listening for connections after disconnect.\n"
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" -n, --no-reset\n"
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"\t\t\tDo not reset board on connection.\n"
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"\n"
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"The STLINKv2 device to use can be specified in the environment\n"
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"variable STLINK_DEVICE on the format <USB_BUS>:<USB_ADDR>.\n"
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"\n"
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;
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2011-10-22 15:13:22 +00:00
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int option_index = 0;
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int c;
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int q;
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2014-01-22 21:10:52 +00:00
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while ((c = getopt_long(argc, argv, "hv::s:1p:mn", long_options, &option_index)) != -1) {
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2011-10-22 15:13:22 +00:00
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switch (c) {
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2014-07-10 05:31:11 +00:00
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case 0:
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printf("XXXXX Shouldn't really normally come here, only if there's no corresponding option\n");
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printf("option %s", long_options[option_index].name);
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if (optarg) {
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printf(" with arg %s", optarg);
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}
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printf("\n");
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break;
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case 'h':
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printf(help_str, argv[0]);
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exit(EXIT_SUCCESS);
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break;
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case 'v':
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if (optarg) {
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st->logging_level = atoi(optarg);
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} else {
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st->logging_level = DEFAULT_LOGGING_LEVEL;
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}
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break;
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case '1':
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st->stlink_version = 1;
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break;
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case 's':
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sscanf(optarg, "%i", &q);
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if (q < 0 || q > 2) {
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fprintf(stderr, "stlink version %d unknown!\n", q);
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exit(EXIT_FAILURE);
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}
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st->stlink_version = q;
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break;
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case 'p':
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sscanf(optarg, "%i", &q);
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if (q < 0) {
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fprintf(stderr, "Can't use a negative port to listen on: %d\n", q);
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exit(EXIT_FAILURE);
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}
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st->listen_port = q;
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break;
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case 'm':
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st->persistent = 1;
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break;
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case 'n':
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st->reset = 0;
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break;
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2011-10-22 15:13:22 +00:00
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}
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}
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if (optind < argc) {
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printf("non-option ARGV-elements: ");
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while (optind < argc)
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printf("%s ", argv[optind++]);
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printf("\n");
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}
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return 0;
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}
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2011-10-05 18:42:23 +00:00
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2011-10-05 10:15:44 +00:00
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2011-10-22 15:13:22 +00:00
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int main(int argc, char** argv) {
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2014-07-10 05:31:11 +00:00
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int32_t voltage;
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stlink_t *sl = NULL;
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st_state_t state;
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memset(&state, 0, sizeof(state));
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// set defaults...
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state.stlink_version = 2;
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state.logging_level = DEFAULT_LOGGING_LEVEL;
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state.listen_port = DEFAULT_GDB_LISTEN_PORT;
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state.reset = 1; /* By default, reset board */
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parse_options(argc, argv, &state);
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switch (state.stlink_version) {
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case 2:
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sl = stlink_open_usb(state.logging_level, 0);
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if(sl == NULL) return 1;
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break;
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case 1:
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sl = stlink_v1_open(state.logging_level, 0);
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if(sl == NULL) return 1;
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break;
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2011-10-22 20:31:11 +00:00
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}
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2012-07-03 13:10:07 +00:00
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2013-03-06 21:15:15 +00:00
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connected_stlink = sl;
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signal(SIGINT, &cleanup);
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2013-04-06 00:55:19 +00:00
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signal(SIGTERM, &cleanup);
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2013-03-06 21:15:15 +00:00
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2013-03-06 20:24:15 +00:00
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if (state.reset) {
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2014-07-10 05:31:11 +00:00
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stlink_reset(sl);
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2013-03-06 20:24:15 +00:00
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}
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2014-07-12 20:19:41 +00:00
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ILOG("Chip ID is %08x, Core ID is %08x.\n", sl->chip_id, sl->core_id);
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2011-10-22 02:11:04 +00:00
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2014-07-10 05:31:11 +00:00
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voltage = stlink_target_voltage(sl);
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if (voltage != -1) {
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2014-07-12 20:19:41 +00:00
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ILOG("Target voltage is %d mV.\n", voltage);
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2014-07-10 05:31:11 +00:00
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}
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2013-09-29 23:51:26 +00:00
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2014-07-10 05:31:11 +00:00
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sl->verbose=0;
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2011-04-04 08:58:54 +00:00
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2014-07-10 05:31:11 +00:00
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current_memory_map = make_memory_map(sl);
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2011-02-15 16:47:18 +00:00
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2012-04-29 17:48:26 +00:00
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#ifdef __MINGW32__
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2014-07-10 05:31:11 +00:00
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WSADATA wsadata;
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if (WSAStartup(MAKEWORD(2,2),&wsadata) !=0 ) {
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goto winsock_error;
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}
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2012-04-29 17:48:26 +00:00
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#endif
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2014-07-10 05:31:11 +00:00
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do {
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serve(sl, &state);
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2013-03-06 20:24:15 +00:00
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2014-07-10 05:31:11 +00:00
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/* Continue */
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stlink_run(sl);
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} while (state.persistent);
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2011-02-15 16:47:18 +00:00
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2012-04-29 17:48:26 +00:00
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#ifdef __MINGW32__
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winsock_error:
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2014-07-10 05:31:11 +00:00
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WSACleanup();
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2012-04-29 17:48:26 +00:00
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#endif
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2014-07-10 05:31:11 +00:00
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/* Switch back to mass storage mode before closing. */
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stlink_exit_debug_mode(sl);
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stlink_close(sl);
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2011-02-15 16:47:18 +00:00
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2014-07-10 05:31:11 +00:00
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return 0;
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2011-02-15 16:47:18 +00:00
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}
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2012-07-09 03:04:35 +00:00
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static const char* const target_description_F4 =
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"<?xml version=\"1.0\"?>"
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"<!DOCTYPE target SYSTEM \"gdb-target.dtd\">"
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"<target version=\"1.0\">"
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" <architecture>arm</architecture>"
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" <feature name=\"org.gnu.gdb.arm.m-profile\">"
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" <reg name=\"r0\" bitsize=\"32\"/>"
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" <reg name=\"r1\" bitsize=\"32\"/>"
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" <reg name=\"r2\" bitsize=\"32\"/>"
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" <reg name=\"r3\" bitsize=\"32\"/>"
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" <reg name=\"r4\" bitsize=\"32\"/>"
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" <reg name=\"r5\" bitsize=\"32\"/>"
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" <reg name=\"r6\" bitsize=\"32\"/>"
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" <reg name=\"r7\" bitsize=\"32\"/>"
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" <reg name=\"r8\" bitsize=\"32\"/>"
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" <reg name=\"r9\" bitsize=\"32\"/>"
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" <reg name=\"r10\" bitsize=\"32\"/>"
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" <reg name=\"r11\" bitsize=\"32\"/>"
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" <reg name=\"r12\" bitsize=\"32\"/>"
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" <reg name=\"sp\" bitsize=\"32\" type=\"data_ptr\"/>"
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" <reg name=\"lr\" bitsize=\"32\"/>"
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" <reg name=\"pc\" bitsize=\"32\" type=\"code_ptr\"/>"
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" <reg name=\"xpsr\" bitsize=\"32\" regnum=\"25\"/>"
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" <reg name=\"msp\" bitsize=\"32\" regnum=\"26\" type=\"data_ptr\" group=\"general\" />"
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" <reg name=\"psp\" bitsize=\"32\" regnum=\"27\" type=\"data_ptr\" group=\"general\" />"
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" <reg name=\"control\" bitsize=\"8\" regnum=\"28\" type=\"int\" group=\"general\" />"
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" <reg name=\"faultmask\" bitsize=\"8\" regnum=\"29\" type=\"int\" group=\"general\" />"
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" <reg name=\"basepri\" bitsize=\"8\" regnum=\"30\" type=\"int\" group=\"general\" />"
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" <reg name=\"primask\" bitsize=\"8\" regnum=\"31\" type=\"int\" group=\"general\" />"
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" <reg name=\"s0\" bitsize=\"32\" regnum=\"32\" type=\"float\" group=\"float\" />"
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" <reg name=\"s1\" bitsize=\"32\" type=\"float\" group=\"float\" />"
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" <reg name=\"s2\" bitsize=\"32\" type=\"float\" group=\"float\" />"
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" <reg name=\"s3\" bitsize=\"32\" type=\"float\" group=\"float\" />"
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" <reg name=\"s4\" bitsize=\"32\" type=\"float\" group=\"float\" />"
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" <reg name=\"s5\" bitsize=\"32\" type=\"float\" group=\"float\" />"
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" <reg name=\"s6\" bitsize=\"32\" type=\"float\" group=\"float\" />"
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" <reg name=\"s7\" bitsize=\"32\" type=\"float\" group=\"float\" />"
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" <reg name=\"s8\" bitsize=\"32\" type=\"float\" group=\"float\" />"
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" <reg name=\"s9\" bitsize=\"32\" type=\"float\" group=\"float\" />"
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" <reg name=\"s10\" bitsize=\"32\" type=\"float\" group=\"float\" />"
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" <reg name=\"s11\" bitsize=\"32\" type=\"float\" group=\"float\" />"
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" <reg name=\"s12\" bitsize=\"32\" type=\"float\" group=\"float\" />"
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" <reg name=\"s13\" bitsize=\"32\" type=\"float\" group=\"float\" />"
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|
|
" <reg name=\"s14\" bitsize=\"32\" type=\"float\" group=\"float\" />"
|
|
|
|
|
" <reg name=\"s15\" bitsize=\"32\" type=\"float\" group=\"float\" />"
|
|
|
|
|
" <reg name=\"s16\" bitsize=\"32\" type=\"float\" group=\"float\" />"
|
|
|
|
|
" <reg name=\"s17\" bitsize=\"32\" type=\"float\" group=\"float\" />"
|
|
|
|
|
" <reg name=\"s18\" bitsize=\"32\" type=\"float\" group=\"float\" />"
|
|
|
|
|
" <reg name=\"s19\" bitsize=\"32\" type=\"float\" group=\"float\" />"
|
|
|
|
|
" <reg name=\"s20\" bitsize=\"32\" type=\"float\" group=\"float\" />"
|
|
|
|
|
" <reg name=\"s21\" bitsize=\"32\" type=\"float\" group=\"float\" />"
|
|
|
|
|
" <reg name=\"s22\" bitsize=\"32\" type=\"float\" group=\"float\" />"
|
|
|
|
|
" <reg name=\"s23\" bitsize=\"32\" type=\"float\" group=\"float\" />"
|
|
|
|
|
" <reg name=\"s24\" bitsize=\"32\" type=\"float\" group=\"float\" />"
|
|
|
|
|
" <reg name=\"s25\" bitsize=\"32\" type=\"float\" group=\"float\" />"
|
|
|
|
|
" <reg name=\"s26\" bitsize=\"32\" type=\"float\" group=\"float\" />"
|
|
|
|
|
" <reg name=\"s27\" bitsize=\"32\" type=\"float\" group=\"float\" />"
|
|
|
|
|
" <reg name=\"s28\" bitsize=\"32\" type=\"float\" group=\"float\" />"
|
|
|
|
|
" <reg name=\"s29\" bitsize=\"32\" type=\"float\" group=\"float\" />"
|
|
|
|
|
" <reg name=\"s30\" bitsize=\"32\" type=\"float\" group=\"float\" />"
|
|
|
|
|
" <reg name=\"s31\" bitsize=\"32\" type=\"float\" group=\"float\" />"
|
|
|
|
|
" <reg name=\"fpscr\" bitsize=\"32\" type=\"int\" group=\"float\" />"
|
|
|
|
|
" </feature>"
|
|
|
|
|
"</target>";
|
|
|
|
|
|
2011-11-14 21:20:49 +00:00
|
|
|
static const char* const memory_map_template_F4 =
|
2014-07-10 05:31:11 +00:00
|
|
|
"<?xml version=\"1.0\"?>"
|
|
|
|
|
"<!DOCTYPE memory-map PUBLIC \"+//IDN gnu.org//DTD GDB Memory Map V1.0//EN\""
|
|
|
|
|
" \"http://sourceware.org/gdb/gdb-memory-map.dtd\">"
|
|
|
|
|
"<memory-map>"
|
|
|
|
|
" <memory type=\"rom\" start=\"0x00000000\" length=\"0x100000\"/>" // code = sram, bootrom or flash; flash is bigger
|
|
|
|
|
" <memory type=\"ram\" start=\"0x10000000\" length=\"0x10000\"/>" // ccm ram
|
|
|
|
|
" <memory type=\"ram\" start=\"0x20000000\" length=\"0x20000\"/>" // sram
|
|
|
|
|
" <memory type=\"flash\" start=\"0x08000000\" length=\"0x10000\">" //Sectors 0..3
|
|
|
|
|
" <property name=\"blocksize\">0x4000</property>" //16kB
|
|
|
|
|
" </memory>"
|
|
|
|
|
" <memory type=\"flash\" start=\"0x08010000\" length=\"0x10000\">" //Sector 4
|
|
|
|
|
" <property name=\"blocksize\">0x10000</property>" //64kB
|
|
|
|
|
" </memory>"
|
|
|
|
|
" <memory type=\"flash\" start=\"0x08020000\" length=\"0x70000\">" //Sectors 5..11
|
|
|
|
|
" <property name=\"blocksize\">0x20000</property>" //128kB
|
|
|
|
|
" </memory>"
|
|
|
|
|
" <memory type=\"ram\" start=\"0x40000000\" length=\"0x1fffffff\"/>" // peripheral regs
|
|
|
|
|
" <memory type=\"ram\" start=\"0xe0000000\" length=\"0x1fffffff\"/>" // cortex regs
|
|
|
|
|
" <memory type=\"rom\" start=\"0x1fff0000\" length=\"0x7800\"/>" // bootrom
|
|
|
|
|
" <memory type=\"rom\" start=\"0x1fffc000\" length=\"0x10\"/>" // option byte area
|
|
|
|
|
"</memory-map>";
|
2011-11-14 21:20:49 +00:00
|
|
|
|
2011-04-04 08:58:54 +00:00
|
|
|
static const char* const memory_map_template =
|
2014-07-10 05:31:11 +00:00
|
|
|
"<?xml version=\"1.0\"?>"
|
|
|
|
|
"<!DOCTYPE memory-map PUBLIC \"+//IDN gnu.org//DTD GDB Memory Map V1.0//EN\""
|
|
|
|
|
" \"http://sourceware.org/gdb/gdb-memory-map.dtd\">"
|
|
|
|
|
"<memory-map>"
|
|
|
|
|
" <memory type=\"rom\" start=\"0x00000000\" length=\"0x%zx\"/>" // code = sram, bootrom or flash; flash is bigger
|
|
|
|
|
" <memory type=\"ram\" start=\"0x20000000\" length=\"0x%zx\"/>" // sram 8k
|
|
|
|
|
" <memory type=\"flash\" start=\"0x08000000\" length=\"0x%zx\">"
|
|
|
|
|
" <property name=\"blocksize\">0x%zx</property>"
|
|
|
|
|
" </memory>"
|
|
|
|
|
" <memory type=\"ram\" start=\"0x40000000\" length=\"0x1fffffff\"/>" // peripheral regs
|
|
|
|
|
" <memory type=\"ram\" start=\"0xe0000000\" length=\"0x1fffffff\"/>" // cortex regs
|
|
|
|
|
" <memory type=\"rom\" start=\"0x%08x\" length=\"0x%zx\"/>" // bootrom
|
|
|
|
|
" <memory type=\"rom\" start=\"0x1ffff800\" length=\"0x10\"/>" // option byte area
|
|
|
|
|
"</memory-map>";
|
2011-04-04 08:58:54 +00:00
|
|
|
|
2011-11-12 20:36:43 +00:00
|
|
|
char* make_memory_map(stlink_t *sl) {
|
2014-07-10 05:31:11 +00:00
|
|
|
/* This will be freed in serve() */
|
|
|
|
|
char* map = malloc(4096);
|
|
|
|
|
map[0] = '\0';
|
2011-04-04 08:58:54 +00:00
|
|
|
|
2014-07-16 22:46:18 +00:00
|
|
|
if(sl->chip_id==STM32_CHIPID_F4 || sl->chip_id==STM32_CHIPID_F4_HD) {
|
2014-07-10 05:31:11 +00:00
|
|
|
strcpy(map, memory_map_template_F4);
|
2011-11-15 00:57:09 +00:00
|
|
|
} else {
|
|
|
|
|
snprintf(map, 4096, memory_map_template,
|
2014-07-10 05:31:11 +00:00
|
|
|
sl->flash_size,
|
|
|
|
|
sl->sram_size,
|
|
|
|
|
sl->flash_size, sl->flash_pgsz,
|
|
|
|
|
sl->sys_base, sl->sys_size);
|
2011-11-14 21:20:49 +00:00
|
|
|
}
|
2014-07-10 05:31:11 +00:00
|
|
|
return map;
|
2011-04-04 08:58:54 +00:00
|
|
|
}
|
|
|
|
|
|
2011-02-16 00:56:29 +00:00
|
|
|
|
2012-07-03 13:10:07 +00:00
|
|
|
/*
|
2011-07-14 19:40:59 +00:00
|
|
|
* DWT_COMP0 0xE0001020
|
|
|
|
|
* DWT_MASK0 0xE0001024
|
|
|
|
|
* DWT_FUNCTION0 0xE0001028
|
|
|
|
|
* DWT_COMP1 0xE0001030
|
|
|
|
|
* DWT_MASK1 0xE0001034
|
|
|
|
|
* DWT_FUNCTION1 0xE0001038
|
|
|
|
|
* DWT_COMP2 0xE0001040
|
|
|
|
|
* DWT_MASK2 0xE0001044
|
|
|
|
|
* DWT_FUNCTION2 0xE0001048
|
|
|
|
|
* DWT_COMP3 0xE0001050
|
|
|
|
|
* DWT_MASK3 0xE0001054
|
|
|
|
|
* DWT_FUNCTION3 0xE0001058
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#define DATA_WATCH_NUM 4
|
|
|
|
|
|
|
|
|
|
enum watchfun { WATCHDISABLED = 0, WATCHREAD = 5, WATCHWRITE = 6, WATCHACCESS = 7 };
|
|
|
|
|
|
|
|
|
|
struct code_hw_watchpoint {
|
2014-07-10 05:31:11 +00:00
|
|
|
stm32_addr_t addr;
|
|
|
|
|
uint8_t mask;
|
|
|
|
|
enum watchfun fun;
|
2011-07-14 19:40:59 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct code_hw_watchpoint data_watches[DATA_WATCH_NUM];
|
|
|
|
|
|
2011-10-07 20:17:48 +00:00
|
|
|
static void init_data_watchpoints(stlink_t *sl) {
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("init watchpoints\n");
|
2014-07-10 05:31:11 +00:00
|
|
|
|
|
|
|
|
// set trcena in debug command to turn on dwt unit
|
|
|
|
|
stlink_write_debug32(sl, 0xE000EDFC,
|
|
|
|
|
stlink_read_debug32(sl, 0xE000EDFC) | (1<<24));
|
|
|
|
|
|
|
|
|
|
// make sure all watchpoints are cleared
|
|
|
|
|
for(int i = 0; i < DATA_WATCH_NUM; i++) {
|
|
|
|
|
data_watches[i].fun = WATCHDISABLED;
|
|
|
|
|
stlink_write_debug32(sl, 0xe0001028 + i * 16, 0);
|
|
|
|
|
}
|
2011-07-14 19:40:59 +00:00
|
|
|
}
|
|
|
|
|
|
2014-07-12 20:19:41 +00:00
|
|
|
static int add_data_watchpoint(stlink_t *sl, enum watchfun wf,
|
|
|
|
|
stm32_addr_t addr, unsigned int len) {
|
2014-07-10 05:31:11 +00:00
|
|
|
int i = 0;
|
|
|
|
|
uint32_t mask;
|
|
|
|
|
|
|
|
|
|
// computer mask
|
|
|
|
|
// find a free watchpoint
|
|
|
|
|
// configure
|
|
|
|
|
|
|
|
|
|
mask = -1;
|
|
|
|
|
i = len;
|
|
|
|
|
while(i) {
|
|
|
|
|
i >>= 1;
|
|
|
|
|
mask++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if((mask != (uint32_t)-1) && (mask < 16)) {
|
|
|
|
|
for(i = 0; i < DATA_WATCH_NUM; i++) {
|
|
|
|
|
// is this an empty slot ?
|
|
|
|
|
if(data_watches[i].fun == WATCHDISABLED) {
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("insert watchpoint %d addr %x wf %u mask %u len %d\n", i, addr, wf, mask, len);
|
2014-07-10 05:31:11 +00:00
|
|
|
|
|
|
|
|
data_watches[i].fun = wf;
|
|
|
|
|
data_watches[i].addr = addr;
|
|
|
|
|
data_watches[i].mask = mask;
|
|
|
|
|
|
|
|
|
|
// insert comparator address
|
|
|
|
|
stlink_write_debug32(sl, 0xE0001020 + i * 16, addr);
|
|
|
|
|
|
|
|
|
|
// insert mask
|
|
|
|
|
stlink_write_debug32(sl, 0xE0001024 + i * 16, mask);
|
|
|
|
|
|
|
|
|
|
// insert function
|
|
|
|
|
stlink_write_debug32(sl, 0xE0001028 + i * 16, wf);
|
|
|
|
|
|
|
|
|
|
// just to make sure the matched bit is clear !
|
|
|
|
|
stlink_read_debug32(sl, 0xE0001028 + i * 16);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("failure: add watchpoints addr %x wf %u len %u\n", addr, wf, len);
|
2014-07-10 05:31:11 +00:00
|
|
|
return -1;
|
2011-07-14 19:40:59 +00:00
|
|
|
}
|
|
|
|
|
|
2011-10-07 20:17:48 +00:00
|
|
|
static int delete_data_watchpoint(stlink_t *sl, stm32_addr_t addr)
|
2011-07-14 19:40:59 +00:00
|
|
|
{
|
2014-07-10 05:31:11 +00:00
|
|
|
int i;
|
2011-07-14 19:40:59 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
for(i = 0 ; i < DATA_WATCH_NUM; i++) {
|
|
|
|
|
if((data_watches[i].addr == addr) && (data_watches[i].fun != WATCHDISABLED)) {
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("delete watchpoint %d addr %x\n", i, addr);
|
2011-07-14 19:40:59 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
data_watches[i].fun = WATCHDISABLED;
|
|
|
|
|
stlink_write_debug32(sl, 0xe0001028 + i * 16, 0);
|
2011-07-14 19:40:59 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
2011-07-14 19:40:59 +00:00
|
|
|
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("failure: delete watchpoint addr %x\n", addr);
|
2011-07-14 19:40:59 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
return -1;
|
2011-07-14 19:40:59 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define CODE_BREAK_NUM 6
|
2014-03-08 16:21:16 +00:00
|
|
|
#define CODE_LIT_NUM 2
|
2011-02-16 00:56:29 +00:00
|
|
|
#define CODE_BREAK_LOW 0x01
|
|
|
|
|
#define CODE_BREAK_HIGH 0x02
|
|
|
|
|
|
|
|
|
|
struct code_hw_breakpoint {
|
2014-07-10 05:31:11 +00:00
|
|
|
stm32_addr_t addr;
|
|
|
|
|
int type;
|
2011-02-16 00:56:29 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct code_hw_breakpoint code_breaks[CODE_BREAK_NUM];
|
|
|
|
|
|
2011-10-07 20:17:48 +00:00
|
|
|
static void init_code_breakpoints(stlink_t *sl) {
|
2014-07-10 05:31:11 +00:00
|
|
|
memset(sl->q_buf, 0, 4);
|
|
|
|
|
stlink_write_debug32(sl, CM3_REG_FP_CTRL, 0x03 /*KEY | ENABLE4*/);
|
|
|
|
|
unsigned int val = stlink_read_debug32(sl, CM3_REG_FP_CTRL);
|
|
|
|
|
if (((val & 3) != 1) ||
|
2014-03-08 16:21:16 +00:00
|
|
|
((((val >> 8) & 0x70) | ((val >> 4) & 0xf)) != CODE_BREAK_NUM) ||
|
|
|
|
|
(((val >> 8) & 0xf) != CODE_LIT_NUM)){
|
2014-07-12 20:19:41 +00:00
|
|
|
ELOG("[FP_CTRL] = 0x%08x expecting 0x%08x\n", val,
|
2014-07-10 05:31:11 +00:00
|
|
|
((CODE_BREAK_NUM & 0x70) << 8) | (CODE_LIT_NUM << 8) | ((CODE_BREAK_NUM & 0xf) << 4) | 1);
|
|
|
|
|
}
|
|
|
|
|
|
2011-02-16 00:56:29 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
for(int i = 0; i < CODE_BREAK_NUM; i++) {
|
|
|
|
|
code_breaks[i].type = 0;
|
|
|
|
|
stlink_write_debug32(sl, CM3_REG_FP_COMP0 + i * 4, 0);
|
|
|
|
|
}
|
2011-02-16 00:56:29 +00:00
|
|
|
}
|
|
|
|
|
|
2011-10-07 20:17:48 +00:00
|
|
|
static int update_code_breakpoint(stlink_t *sl, stm32_addr_t addr, int set) {
|
2014-07-10 05:31:11 +00:00
|
|
|
stm32_addr_t fpb_addr = addr & ~0x3;
|
|
|
|
|
int type = addr & 0x2 ? CODE_BREAK_HIGH : CODE_BREAK_LOW;
|
|
|
|
|
|
|
|
|
|
if(addr & 1) {
|
2014-07-12 20:19:41 +00:00
|
|
|
ELOG("update_code_breakpoint: unaligned address %08x\n", addr);
|
2014-07-10 05:31:11 +00:00
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int id = -1;
|
|
|
|
|
for(int i = 0; i < CODE_BREAK_NUM; i++) {
|
|
|
|
|
if(fpb_addr == code_breaks[i].addr ||
|
|
|
|
|
(set && code_breaks[i].type == 0)) {
|
|
|
|
|
id = i;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if(id == -1) {
|
|
|
|
|
if(set) return -1; // Free slot not found
|
|
|
|
|
else return 0; // Breakpoint is already removed
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
struct code_hw_breakpoint* brk = &code_breaks[id];
|
|
|
|
|
|
|
|
|
|
brk->addr = fpb_addr;
|
|
|
|
|
|
|
|
|
|
if(set) brk->type |= type;
|
|
|
|
|
else brk->type &= ~type;
|
|
|
|
|
|
|
|
|
|
if(brk->type == 0) {
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("clearing hw break %d\n", id);
|
2014-07-10 05:31:11 +00:00
|
|
|
|
|
|
|
|
stlink_write_debug32(sl, 0xe0002008 + id * 4, 0);
|
|
|
|
|
} else {
|
|
|
|
|
uint32_t mask = (brk->addr) | 1 | (brk->type << 30);
|
|
|
|
|
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("setting hw break %d at %08x (%d)\n",
|
|
|
|
|
id, brk->addr, brk->type);
|
|
|
|
|
DLOG("reg %08x \n",
|
|
|
|
|
mask);
|
2014-07-10 05:31:11 +00:00
|
|
|
|
|
|
|
|
stlink_write_debug32(sl, 0xe0002008 + id * 4, mask);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
2011-02-16 00:56:29 +00:00
|
|
|
}
|
|
|
|
|
|
2011-02-16 09:34:46 +00:00
|
|
|
|
|
|
|
|
struct flash_block {
|
2014-07-10 05:31:11 +00:00
|
|
|
stm32_addr_t addr;
|
|
|
|
|
unsigned length;
|
|
|
|
|
uint8_t* data;
|
2011-02-16 09:34:46 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
struct flash_block* next;
|
2011-02-16 09:34:46 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static struct flash_block* flash_root;
|
|
|
|
|
|
2011-11-14 21:20:49 +00:00
|
|
|
static int flash_add_block(stm32_addr_t addr, unsigned length, stlink_t *sl) {
|
|
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
if(addr < FLASH_BASE || addr + length > FLASH_BASE + sl->flash_size) {
|
2014-07-12 20:19:41 +00:00
|
|
|
ELOG("flash_add_block: incorrect bounds\n");
|
2014-07-10 05:31:11 +00:00
|
|
|
return -1;
|
|
|
|
|
}
|
2011-02-16 09:34:46 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
stlink_calculate_pagesize(sl, addr);
|
|
|
|
|
if(addr % FLASH_PAGE != 0 || length % FLASH_PAGE != 0) {
|
2014-07-12 20:19:41 +00:00
|
|
|
ELOG("flash_add_block: unaligned block\n");
|
2014-07-10 05:31:11 +00:00
|
|
|
return -1;
|
|
|
|
|
}
|
2011-02-16 09:34:46 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
struct flash_block* new = malloc(sizeof(struct flash_block));
|
|
|
|
|
new->next = flash_root;
|
2011-02-16 09:34:46 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
new->addr = addr;
|
|
|
|
|
new->length = length;
|
|
|
|
|
new->data = calloc(length, 1);
|
2011-02-16 09:34:46 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
flash_root = new;
|
2011-02-16 09:34:46 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
return 0;
|
2011-02-16 09:34:46 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int flash_populate(stm32_addr_t addr, uint8_t* data, unsigned length) {
|
2014-07-10 05:31:11 +00:00
|
|
|
unsigned int fit_blocks = 0, fit_length = 0;
|
|
|
|
|
|
|
|
|
|
for(struct flash_block* fb = flash_root; fb; fb = fb->next) {
|
|
|
|
|
/* Block: ------X------Y--------
|
|
|
|
|
* Data: a-----b
|
|
|
|
|
* a--b
|
|
|
|
|
* a-----------b
|
|
|
|
|
* Block intersects with data, if:
|
|
|
|
|
* a < Y && b > x
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
unsigned X = fb->addr, Y = fb->addr + fb->length;
|
|
|
|
|
unsigned a = addr, b = addr + length;
|
|
|
|
|
if(a < Y && b > X) {
|
|
|
|
|
// from start of the block
|
|
|
|
|
unsigned start = (a > X ? a : X) - X;
|
|
|
|
|
unsigned end = (b > Y ? Y : b) - X;
|
|
|
|
|
|
|
|
|
|
memcpy(fb->data + start, data, end - start);
|
|
|
|
|
|
|
|
|
|
fit_blocks++;
|
|
|
|
|
fit_length += end - start;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if(fit_blocks == 0) {
|
2014-07-12 20:19:41 +00:00
|
|
|
ELOG("Unfit data block %08x -> %04x\n", addr, length);
|
2014-07-10 05:31:11 +00:00
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if(fit_length != length) {
|
2014-07-12 20:19:41 +00:00
|
|
|
WLOG("data block %08x -> %04x truncated to %04x\n",
|
2014-07-10 05:31:11 +00:00
|
|
|
addr, length, fit_length);
|
2014-07-12 20:19:41 +00:00
|
|
|
WLOG("(this is not an error, just a GDB glitch)\n");
|
2014-07-10 05:31:11 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
2011-02-16 09:34:46 +00:00
|
|
|
}
|
|
|
|
|
|
2011-10-07 20:17:48 +00:00
|
|
|
static int flash_go(stlink_t *sl) {
|
2014-07-10 05:31:11 +00:00
|
|
|
int error = -1;
|
2011-02-16 09:34:46 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
// Some kinds of clock settings do not allow writing to flash.
|
|
|
|
|
stlink_reset(sl);
|
2011-02-16 11:28:20 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
for(struct flash_block* fb = flash_root; fb; fb = fb->next) {
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("flash_do: block %08x -> %04x\n", fb->addr, fb->length);
|
2011-02-16 09:34:46 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
unsigned length = fb->length;
|
|
|
|
|
for(stm32_addr_t page = fb->addr; page < fb->addr + fb->length; page += FLASH_PAGE) {
|
2011-11-14 21:20:49 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
//Update FLASH_PAGE
|
|
|
|
|
stlink_calculate_pagesize(sl, page);
|
2011-11-14 21:20:49 +00:00
|
|
|
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("flash_do: page %08x\n", page);
|
2011-02-16 09:34:46 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
if(stlink_write_flash(sl, page, fb->data + (page - fb->addr),
|
|
|
|
|
length > FLASH_PAGE ? FLASH_PAGE : length) < 0)
|
|
|
|
|
goto error;
|
|
|
|
|
}
|
|
|
|
|
}
|
2011-02-16 09:34:46 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
stlink_reset(sl);
|
2011-02-16 11:28:20 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
error = 0;
|
2011-02-16 09:34:46 +00:00
|
|
|
|
|
|
|
|
error:
|
2014-07-10 05:31:11 +00:00
|
|
|
for(struct flash_block* fb = flash_root, *next; fb; fb = next) {
|
|
|
|
|
next = fb->next;
|
|
|
|
|
free(fb->data);
|
|
|
|
|
free(fb);
|
|
|
|
|
}
|
2011-02-16 09:34:46 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
flash_root = NULL;
|
2011-02-16 09:34:46 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
return error;
|
2011-02-16 09:34:46 +00:00
|
|
|
}
|
|
|
|
|
|
2013-03-06 19:23:17 +00:00
|
|
|
int serve(stlink_t *sl, st_state_t *st) {
|
2014-07-10 05:31:11 +00:00
|
|
|
int sock = socket(AF_INET, SOCK_STREAM, 0);
|
|
|
|
|
if(sock < 0) {
|
|
|
|
|
perror("socket");
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
unsigned int val = 1;
|
|
|
|
|
setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (char *)&val, sizeof(val));
|
|
|
|
|
|
|
|
|
|
struct sockaddr_in serv_addr;
|
|
|
|
|
memset(&serv_addr,0,sizeof(struct sockaddr_in));
|
|
|
|
|
serv_addr.sin_family = AF_INET;
|
|
|
|
|
serv_addr.sin_addr.s_addr = INADDR_ANY;
|
|
|
|
|
serv_addr.sin_port = htons(st->listen_port);
|
|
|
|
|
|
|
|
|
|
if(bind(sock, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) {
|
|
|
|
|
perror("bind");
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if(listen(sock, 5) < 0) {
|
|
|
|
|
perror("listen");
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
2014-07-12 20:19:41 +00:00
|
|
|
ILOG("Listening at *:%d...\n", st->listen_port);
|
2014-07-10 05:31:11 +00:00
|
|
|
|
|
|
|
|
int client = accept(sock, NULL, NULL);
|
|
|
|
|
//signal (SIGINT, SIG_DFL);
|
|
|
|
|
if(client < 0) {
|
|
|
|
|
perror("accept");
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
close(sock);
|
|
|
|
|
|
|
|
|
|
stlink_force_debug(sl);
|
|
|
|
|
if (st->reset) {
|
|
|
|
|
stlink_reset(sl);
|
2013-03-06 20:24:15 +00:00
|
|
|
}
|
2014-07-10 05:31:11 +00:00
|
|
|
init_code_breakpoints(sl);
|
|
|
|
|
init_data_watchpoints(sl);
|
|
|
|
|
|
2014-07-12 20:19:41 +00:00
|
|
|
ILOG("GDB connected.\n");
|
2014-07-10 05:31:11 +00:00
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* To allow resetting the chip from GDB it is required to
|
|
|
|
|
* emulate attaching and detaching to target.
|
|
|
|
|
*/
|
|
|
|
|
unsigned int attached = 1;
|
|
|
|
|
|
|
|
|
|
while(1) {
|
|
|
|
|
char* packet;
|
|
|
|
|
|
|
|
|
|
int status = gdb_recv_packet(client, &packet);
|
|
|
|
|
if(status < 0) {
|
2014-07-12 20:19:41 +00:00
|
|
|
ELOG("cannot recv: %d\n", status);
|
2014-07-10 05:31:11 +00:00
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("recv: %s\n", packet);
|
2014-07-10 05:31:11 +00:00
|
|
|
|
|
|
|
|
char* reply = NULL;
|
|
|
|
|
reg regp;
|
|
|
|
|
|
|
|
|
|
switch(packet[0]) {
|
|
|
|
|
case 'q': {
|
|
|
|
|
if(packet[1] == 'P' || packet[1] == 'C' || packet[1] == 'L') {
|
|
|
|
|
reply = strdup("");
|
|
|
|
|
break;
|
2012-07-09 03:04:35 +00:00
|
|
|
}
|
2014-07-10 05:31:11 +00:00
|
|
|
|
|
|
|
|
char *separator = strstr(packet, ":"), *params = "";
|
|
|
|
|
if(separator == NULL) {
|
|
|
|
|
separator = packet + strlen(packet);
|
|
|
|
|
} else {
|
|
|
|
|
params = separator + 1;
|
2012-07-09 03:04:35 +00:00
|
|
|
}
|
2014-07-10 05:31:11 +00:00
|
|
|
|
|
|
|
|
unsigned queryNameLength = (separator - &packet[1]);
|
|
|
|
|
char* queryName = calloc(queryNameLength + 1, 1);
|
|
|
|
|
strncpy(queryName, &packet[1], queryNameLength);
|
|
|
|
|
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("query: %s;%s\n", queryName, params);
|
2014-07-10 05:31:11 +00:00
|
|
|
|
|
|
|
|
if(!strcmp(queryName, "Supported")) {
|
2014-07-16 22:46:18 +00:00
|
|
|
if(sl->chip_id==STM32_CHIPID_F4 || sl->chip_id==STM32_CHIPID_F4_HD) {
|
2014-07-10 05:31:11 +00:00
|
|
|
reply = strdup("PacketSize=3fff;qXfer:memory-map:read+;qXfer:features:read+");
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
reply = strdup("PacketSize=3fff;qXfer:memory-map:read+");
|
|
|
|
|
}
|
|
|
|
|
} else if(!strcmp(queryName, "Xfer")) {
|
|
|
|
|
char *type, *op, *__s_addr, *s_length;
|
|
|
|
|
char *tok = params;
|
|
|
|
|
char *annex __attribute__((unused));
|
|
|
|
|
|
|
|
|
|
type = strsep(&tok, ":");
|
|
|
|
|
op = strsep(&tok, ":");
|
|
|
|
|
annex = strsep(&tok, ":");
|
|
|
|
|
__s_addr = strsep(&tok, ",");
|
|
|
|
|
s_length = tok;
|
|
|
|
|
|
|
|
|
|
unsigned addr = strtoul(__s_addr, NULL, 16),
|
|
|
|
|
length = strtoul(s_length, NULL, 16);
|
|
|
|
|
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("Xfer: type:%s;op:%s;annex:%s;addr:%d;length:%d\n",
|
|
|
|
|
type, op, annex, addr, length);
|
2014-07-10 05:31:11 +00:00
|
|
|
|
|
|
|
|
const char* data = NULL;
|
|
|
|
|
|
|
|
|
|
if(!strcmp(type, "memory-map") && !strcmp(op, "read"))
|
|
|
|
|
data = current_memory_map;
|
|
|
|
|
|
|
|
|
|
if(!strcmp(type, "features") && !strcmp(op, "read"))
|
|
|
|
|
data = target_description_F4;
|
|
|
|
|
|
|
|
|
|
if(data) {
|
|
|
|
|
unsigned data_length = strlen(data);
|
|
|
|
|
if(addr + length > data_length)
|
|
|
|
|
length = data_length - addr;
|
|
|
|
|
|
|
|
|
|
if(length == 0) {
|
|
|
|
|
reply = strdup("l");
|
|
|
|
|
} else {
|
|
|
|
|
reply = calloc(length + 2, 1);
|
|
|
|
|
reply[0] = 'm';
|
|
|
|
|
strncpy(&reply[1], data, length);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
} else if(!strncmp(queryName, "Rcmd,",4)) {
|
|
|
|
|
// Rcmd uses the wrong separator
|
|
|
|
|
char *separator = strstr(packet, ","), *params = "";
|
|
|
|
|
if(separator == NULL) {
|
|
|
|
|
separator = packet + strlen(packet);
|
|
|
|
|
} else {
|
|
|
|
|
params = separator + 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (!strncmp(params,"726573756d65",12)) {// resume
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("Rcmd: resume\n");
|
2014-07-10 05:31:11 +00:00
|
|
|
stlink_run(sl);
|
|
|
|
|
|
|
|
|
|
reply = strdup("OK");
|
|
|
|
|
} else if (!strncmp(params,"68616c74",8)) { //halt
|
|
|
|
|
reply = strdup("OK");
|
2012-02-01 22:05:46 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
stlink_force_debug(sl);
|
2012-07-03 13:10:07 +00:00
|
|
|
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("Rcmd: halt\n");
|
2014-07-10 05:31:11 +00:00
|
|
|
} else if (!strncmp(params,"6a7461675f7265736574",20)) { //jtag_reset
|
|
|
|
|
reply = strdup("OK");
|
|
|
|
|
|
|
|
|
|
stlink_jtag_reset(sl, 0);
|
2014-08-15 08:44:24 +00:00
|
|
|
stlink_jtag_reset(sl, 1);
|
2014-07-10 05:31:11 +00:00
|
|
|
stlink_force_debug(sl);
|
2012-02-01 22:05:46 +00:00
|
|
|
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("Rcmd: jtag_reset\n");
|
2014-07-10 05:31:11 +00:00
|
|
|
} else if (!strncmp(params,"7265736574",10)) { //reset
|
|
|
|
|
reply = strdup("OK");
|
2012-09-19 17:22:28 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
stlink_force_debug(sl);
|
|
|
|
|
stlink_reset(sl);
|
|
|
|
|
init_code_breakpoints(sl);
|
|
|
|
|
init_data_watchpoints(sl);
|
2012-09-19 17:22:28 +00:00
|
|
|
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("Rcmd: reset\n");
|
2014-07-10 05:31:11 +00:00
|
|
|
} else {
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("Rcmd: %s\n", params);
|
2014-07-10 05:31:11 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if(reply == NULL)
|
|
|
|
|
reply = strdup("");
|
|
|
|
|
|
|
|
|
|
free(queryName);
|
|
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
case 'v': {
|
|
|
|
|
char *params = NULL;
|
|
|
|
|
char *cmdName = strtok_r(packet, ":;", ¶ms);
|
|
|
|
|
|
|
|
|
|
cmdName++; // vCommand -> Command
|
|
|
|
|
|
|
|
|
|
if(!strcmp(cmdName, "FlashErase")) {
|
|
|
|
|
char *__s_addr, *s_length;
|
|
|
|
|
char *tok = params;
|
|
|
|
|
|
|
|
|
|
__s_addr = strsep(&tok, ",");
|
|
|
|
|
s_length = tok;
|
|
|
|
|
|
|
|
|
|
unsigned addr = strtoul(__s_addr, NULL, 16),
|
|
|
|
|
length = strtoul(s_length, NULL, 16);
|
2012-07-03 13:10:07 +00:00
|
|
|
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("FlashErase: addr:%08x,len:%04x\n",
|
|
|
|
|
addr, length);
|
2014-07-10 05:31:11 +00:00
|
|
|
|
|
|
|
|
if(flash_add_block(addr, length, sl) < 0) {
|
|
|
|
|
reply = strdup("E00");
|
|
|
|
|
} else {
|
|
|
|
|
reply = strdup("OK");
|
|
|
|
|
}
|
|
|
|
|
} else if(!strcmp(cmdName, "FlashWrite")) {
|
|
|
|
|
char *__s_addr, *data;
|
|
|
|
|
char *tok = params;
|
|
|
|
|
|
|
|
|
|
__s_addr = strsep(&tok, ":");
|
|
|
|
|
data = tok;
|
|
|
|
|
|
|
|
|
|
unsigned addr = strtoul(__s_addr, NULL, 16);
|
|
|
|
|
unsigned data_length = status - (data - packet);
|
|
|
|
|
|
|
|
|
|
// Length of decoded data cannot be more than
|
|
|
|
|
// encoded, as escapes are removed.
|
|
|
|
|
// Additional byte is reserved for alignment fix.
|
|
|
|
|
uint8_t *decoded = calloc(data_length + 1, 1);
|
|
|
|
|
unsigned dec_index = 0;
|
|
|
|
|
for(unsigned int i = 0; i < data_length; i++) {
|
|
|
|
|
if(data[i] == 0x7d) {
|
|
|
|
|
i++;
|
|
|
|
|
decoded[dec_index++] = data[i] ^ 0x20;
|
|
|
|
|
} else {
|
|
|
|
|
decoded[dec_index++] = data[i];
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Fix alignment
|
|
|
|
|
if(dec_index % 2 != 0)
|
|
|
|
|
dec_index++;
|
|
|
|
|
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("binary packet %d -> %d\n", data_length, dec_index);
|
2012-02-01 22:05:46 +00:00
|
|
|
|
2014-07-10 05:31:11 +00:00
|
|
|
if(flash_populate(addr, decoded, dec_index) < 0) {
|
|
|
|
|
reply = strdup("E00");
|
|
|
|
|
} else {
|
|
|
|
|
reply = strdup("OK");
|
|
|
|
|
}
|
|
|
|
|
} else if(!strcmp(cmdName, "FlashDone")) {
|
|
|
|
|
if(flash_go(sl) < 0) {
|
2012-08-19 16:19:25 +00:00
|
|
|
reply = strdup("E00");
|
|
|
|
|
} else {
|
|
|
|
|
reply = strdup("OK");
|
2014-07-10 05:31:11 +00:00
|
|
|
}
|
|
|
|
|
} else if(!strcmp(cmdName, "Kill")) {
|
|
|
|
|
attached = 0;
|
|
|
|
|
|
|
|
|
|
reply = strdup("OK");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if(reply == NULL)
|
|
|
|
|
reply = strdup("");
|
|
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
case 'c':
|
|
|
|
|
stlink_run(sl);
|
|
|
|
|
|
|
|
|
|
while(1) {
|
|
|
|
|
int status = gdb_check_for_interrupt(client);
|
|
|
|
|
if(status < 0) {
|
2014-07-12 20:19:41 +00:00
|
|
|
ELOG("cannot check for int: %d\n", status);
|
2014-07-10 05:31:11 +00:00
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if(status == 1) {
|
|
|
|
|
stlink_force_debug(sl);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
stlink_status(sl);
|
|
|
|
|
if(sl->core_stat == STLINK_CORE_HALTED) {
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
usleep(100000);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
reply = strdup("S05"); // TRAP
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 's':
|
|
|
|
|
stlink_step(sl);
|
|
|
|
|
|
|
|
|
|
reply = strdup("S05"); // TRAP
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case '?':
|
|
|
|
|
if(attached) {
|
|
|
|
|
reply = strdup("S05"); // TRAP
|
|
|
|
|
} else {
|
|
|
|
|
/* Stub shall reply OK if not attached. */
|
|
|
|
|
reply = strdup("OK");
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'g':
|
|
|
|
|
stlink_read_all_regs(sl, ®p);
|
|
|
|
|
|
|
|
|
|
reply = calloc(8 * 16 + 1, 1);
|
|
|
|
|
for(int i = 0; i < 16; i++)
|
|
|
|
|
sprintf(&reply[i * 8], "%08x", htonl(regp.r[i]));
|
|
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'p': {
|
|
|
|
|
unsigned id = strtoul(&packet[1], NULL, 16);
|
|
|
|
|
unsigned myreg = 0xDEADDEAD;
|
|
|
|
|
|
|
|
|
|
if(id < 16) {
|
|
|
|
|
stlink_read_reg(sl, id, ®p);
|
|
|
|
|
myreg = htonl(regp.r[id]);
|
|
|
|
|
} else if(id == 0x19) {
|
|
|
|
|
stlink_read_reg(sl, 16, ®p);
|
|
|
|
|
myreg = htonl(regp.xpsr);
|
|
|
|
|
} else if(id == 0x1A) {
|
|
|
|
|
stlink_read_reg(sl, 17, ®p);
|
|
|
|
|
myreg = htonl(regp.main_sp);
|
|
|
|
|
} else if(id == 0x1B) {
|
|
|
|
|
stlink_read_reg(sl, 18, ®p);
|
|
|
|
|
myreg = htonl(regp.process_sp);
|
|
|
|
|
} else if(id == 0x1C) {
|
|
|
|
|
stlink_read_unsupported_reg(sl, id, ®p);
|
|
|
|
|
myreg = htonl(regp.control);
|
|
|
|
|
} else if(id == 0x1D) {
|
|
|
|
|
stlink_read_unsupported_reg(sl, id, ®p);
|
|
|
|
|
myreg = htonl(regp.faultmask);
|
|
|
|
|
} else if(id == 0x1E) {
|
|
|
|
|
stlink_read_unsupported_reg(sl, id, ®p);
|
|
|
|
|
myreg = htonl(regp.basepri);
|
|
|
|
|
} else if(id == 0x1F) {
|
|
|
|
|
stlink_read_unsupported_reg(sl, id, ®p);
|
|
|
|
|
myreg = htonl(regp.primask);
|
|
|
|
|
} else if(id >= 0x20 && id < 0x40) {
|
|
|
|
|
stlink_read_unsupported_reg(sl, id, ®p);
|
|
|
|
|
myreg = htonl(regp.s[id-0x20]);
|
|
|
|
|
} else if(id == 0x40) {
|
|
|
|
|
stlink_read_unsupported_reg(sl, id, ®p);
|
|
|
|
|
myreg = htonl(regp.fpscr);
|
|
|
|
|
} else {
|
|
|
|
|
reply = strdup("E00");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
reply = calloc(8 + 1, 1);
|
|
|
|
|
sprintf(reply, "%08x", myreg);
|
|
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
case 'P': {
|
|
|
|
|
char* s_reg = &packet[1];
|
|
|
|
|
char* s_value = strstr(&packet[1], "=") + 1;
|
|
|
|
|
|
|
|
|
|
unsigned reg = strtoul(s_reg, NULL, 16);
|
|
|
|
|
unsigned value = strtoul(s_value, NULL, 16);
|
|
|
|
|
|
|
|
|
|
if(reg < 16) {
|
|
|
|
|
stlink_write_reg(sl, ntohl(value), reg);
|
|
|
|
|
} else if(reg == 0x19) {
|
|
|
|
|
stlink_write_reg(sl, ntohl(value), 16);
|
|
|
|
|
} else if(reg == 0x1A) {
|
|
|
|
|
stlink_write_reg(sl, ntohl(value), 17);
|
|
|
|
|
} else if(reg == 0x1B) {
|
|
|
|
|
stlink_write_reg(sl, ntohl(value), 18);
|
|
|
|
|
} else if(reg == 0x1C) {
|
|
|
|
|
stlink_write_unsupported_reg(sl, ntohl(value), reg, ®p);
|
|
|
|
|
} else if(reg == 0x1D) {
|
|
|
|
|
stlink_write_unsupported_reg(sl, ntohl(value), reg, ®p);
|
|
|
|
|
} else if(reg == 0x1E) {
|
|
|
|
|
stlink_write_unsupported_reg(sl, ntohl(value), reg, ®p);
|
|
|
|
|
} else if(reg == 0x1F) {
|
|
|
|
|
stlink_write_unsupported_reg(sl, ntohl(value), reg, ®p);
|
|
|
|
|
} else if(reg >= 0x20 && reg < 0x40) {
|
|
|
|
|
stlink_write_unsupported_reg(sl, ntohl(value), reg, ®p);
|
|
|
|
|
} else if(reg == 0x40) {
|
|
|
|
|
stlink_write_unsupported_reg(sl, ntohl(value), reg, ®p);
|
|
|
|
|
} else {
|
|
|
|
|
reply = strdup("E00");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if(!reply) {
|
|
|
|
|
reply = strdup("OK");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
case 'G':
|
|
|
|
|
for(int i = 0; i < 16; i++) {
|
|
|
|
|
char str[9] = {0};
|
|
|
|
|
strncpy(str, &packet[1 + i * 8], 8);
|
|
|
|
|
uint32_t reg = strtoul(str, NULL, 16);
|
|
|
|
|
stlink_write_reg(sl, ntohl(reg), i);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
reply = strdup("OK");
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 'm': {
|
|
|
|
|
char* s_start = &packet[1];
|
|
|
|
|
char* s_count = strstr(&packet[1], ",") + 1;
|
|
|
|
|
|
|
|
|
|
stm32_addr_t start = strtoul(s_start, NULL, 16);
|
|
|
|
|
unsigned count = strtoul(s_count, NULL, 16);
|
|
|
|
|
|
|
|
|
|
unsigned adj_start = start % 4;
|
|
|
|
|
unsigned count_rnd = (count + adj_start + 4 - 1) / 4 * 4;
|
|
|
|
|
|
|
|
|
|
stlink_read_mem32(sl, start - adj_start, count_rnd);
|
|
|
|
|
|
|
|
|
|
reply = calloc(count * 2 + 1, 1);
|
|
|
|
|
for(unsigned int i = 0; i < count; i++) {
|
|
|
|
|
reply[i * 2 + 0] = hex[sl->q_buf[i + adj_start] >> 4];
|
|
|
|
|
reply[i * 2 + 1] = hex[sl->q_buf[i + adj_start] & 0xf];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
case 'M': {
|
|
|
|
|
char* s_start = &packet[1];
|
|
|
|
|
char* s_count = strstr(&packet[1], ",") + 1;
|
|
|
|
|
char* hexdata = strstr(packet, ":") + 1;
|
|
|
|
|
|
|
|
|
|
stm32_addr_t start = strtoul(s_start, NULL, 16);
|
|
|
|
|
unsigned count = strtoul(s_count, NULL, 16);
|
|
|
|
|
|
|
|
|
|
if(start % 4) {
|
|
|
|
|
unsigned align_count = 4 - start % 4;
|
|
|
|
|
if (align_count > count) align_count = count;
|
|
|
|
|
for(unsigned int i = 0; i < align_count; i ++) {
|
|
|
|
|
char hex[3] = { hexdata[i*2], hexdata[i*2+1], 0 };
|
|
|
|
|
uint8_t byte = strtoul(hex, NULL, 16);
|
|
|
|
|
sl->q_buf[i] = byte;
|
|
|
|
|
}
|
|
|
|
|
stlink_write_mem8(sl, start, align_count);
|
|
|
|
|
start += align_count;
|
|
|
|
|
count -= align_count;
|
|
|
|
|
hexdata += 2*align_count;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if(count - count % 4) {
|
|
|
|
|
unsigned aligned_count = count - count % 4;
|
|
|
|
|
|
|
|
|
|
for(unsigned int i = 0; i < aligned_count; i ++) {
|
|
|
|
|
char hex[3] = { hexdata[i*2], hexdata[i*2+1], 0 };
|
|
|
|
|
uint8_t byte = strtoul(hex, NULL, 16);
|
|
|
|
|
sl->q_buf[i] = byte;
|
|
|
|
|
}
|
|
|
|
|
stlink_write_mem32(sl, start, aligned_count);
|
|
|
|
|
count -= aligned_count;
|
|
|
|
|
start += aligned_count;
|
|
|
|
|
hexdata += 2*aligned_count;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if(count) {
|
|
|
|
|
for(unsigned int i = 0; i < count; i ++) {
|
|
|
|
|
char hex[3] = { hexdata[i*2], hexdata[i*2+1], 0 };
|
|
|
|
|
uint8_t byte = strtoul(hex, NULL, 16);
|
|
|
|
|
sl->q_buf[i] = byte;
|
|
|
|
|
}
|
|
|
|
|
stlink_write_mem8(sl, start, count);
|
|
|
|
|
}
|
|
|
|
|
reply = strdup("OK");
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
case 'Z': {
|
|
|
|
|
char *endptr;
|
|
|
|
|
stm32_addr_t addr = strtoul(&packet[3], &endptr, 16);
|
|
|
|
|
stm32_addr_t len = strtoul(&endptr[1], NULL, 16);
|
|
|
|
|
|
|
|
|
|
switch (packet[1]) {
|
|
|
|
|
case '1':
|
|
|
|
|
if(update_code_breakpoint(sl, addr, 1) < 0) {
|
|
|
|
|
reply = strdup("E00");
|
|
|
|
|
} else {
|
|
|
|
|
reply = strdup("OK");
|
|
|
|
|
}
|
2012-08-19 16:19:25 +00:00
|
|
|
break;
|
2014-07-10 05:31:11 +00:00
|
|
|
|
|
|
|
|
case '2': // insert write watchpoint
|
|
|
|
|
case '3': // insert read watchpoint
|
|
|
|
|
case '4': { // insert access watchpoint
|
|
|
|
|
enum watchfun wf;
|
|
|
|
|
if(packet[1] == '2') {
|
|
|
|
|
wf = WATCHWRITE;
|
|
|
|
|
} else if(packet[1] == '3') {
|
|
|
|
|
wf = WATCHREAD;
|
|
|
|
|
} else {
|
|
|
|
|
wf = WATCHACCESS;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if(add_data_watchpoint(sl, wf, addr, len) < 0) {
|
|
|
|
|
reply = strdup("E00");
|
|
|
|
|
} else {
|
|
|
|
|
reply = strdup("OK");
|
|
|
|
|
break;
|
|
|
|
|
}
|
2012-08-19 16:19:25 +00:00
|
|
|
}
|
2014-07-10 05:31:11 +00:00
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
reply = strdup("");
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case 'z': {
|
|
|
|
|
char *endptr;
|
|
|
|
|
stm32_addr_t addr = strtoul(&packet[3], &endptr, 16);
|
|
|
|
|
//stm32_addr_t len = strtoul(&endptr[1], NULL, 16);
|
|
|
|
|
|
|
|
|
|
switch (packet[1]) {
|
|
|
|
|
case '1': // remove breakpoint
|
|
|
|
|
update_code_breakpoint(sl, addr, 0);
|
|
|
|
|
reply = strdup("OK");
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case '2' : // remove write watchpoint
|
|
|
|
|
case '3' : // remove read watchpoint
|
|
|
|
|
case '4' : // remove access watchpoint
|
|
|
|
|
if(delete_data_watchpoint(sl, addr) < 0) {
|
|
|
|
|
reply = strdup("E00");
|
|
|
|
|
} else {
|
|
|
|
|
reply = strdup("OK");
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
reply = strdup("");
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
case '!': {
|
|
|
|
|
/*
|
|
|
|
|
* Enter extended mode which allows restarting.
|
|
|
|
|
* We do support that always.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Also, set to persistent mode
|
|
|
|
|
* to allow GDB disconnect.
|
|
|
|
|
*/
|
|
|
|
|
st->persistent = 1;
|
|
|
|
|
|
|
|
|
|
reply = strdup("OK");
|
|
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
case 'R': {
|
|
|
|
|
/* Reset the core. */
|
|
|
|
|
|
|
|
|
|
stlink_reset(sl);
|
|
|
|
|
init_code_breakpoints(sl);
|
|
|
|
|
init_data_watchpoints(sl);
|
|
|
|
|
|
|
|
|
|
attached = 1;
|
|
|
|
|
|
|
|
|
|
reply = strdup("OK");
|
|
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
reply = strdup("");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if(reply) {
|
2014-07-12 20:19:41 +00:00
|
|
|
DLOG("send: %s\n", reply);
|
2014-07-10 05:31:11 +00:00
|
|
|
|
|
|
|
|
int result = gdb_send_packet(client, reply);
|
|
|
|
|
if(result != 0) {
|
2014-07-12 20:19:41 +00:00
|
|
|
ELOG("cannot send: %d\n", result);
|
2014-07-10 05:31:11 +00:00
|
|
|
free(reply);
|
|
|
|
|
free(packet);
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
free(reply);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
free(packet);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
2011-02-15 02:15:28 +00:00
|
|
|
}
|
