openocd: src/rtos: replace the GPL-2.0-or-later license tag
[fw/openocd] / src / rtos / riot.c
index fb5d1b29d8ad7de2d4ee878e9f98ab5fcf2651ed..6717085d59b224b0a587dd012fa098bdbee696e2 100644 (file)
@@ -1,19 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 /***************************************************************************
  *   Copyright (C) 2015 by Daniel Krebs                                    *
  *   Daniel Krebs - github@daniel-krebs.net                                *
- *                                                                         *
- *   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, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
 
 #ifdef HAVE_CONFIG_H
@@ -91,19 +80,19 @@ enum riot_symbol_values {
        RIOT_NAME_OFFSET,
 };
 
-/* refer RIOT core/sched.c */
-static const char *const riot_symbol_list[] = {
-       "sched_threads",
-       "sched_num_threads",
-       "sched_active_pid",
-       "max_threads",
-       "_tcb_name_offset",
-       NULL
+struct riot_symbol {
+       const char *const name;
+       bool optional;
 };
 
-/* Define which symbols are not mandatory */
-static const enum riot_symbol_values riot_optional_symbols[] = {
-       RIOT_NAME_OFFSET,
+/* refer RIOT core/sched.c */
+static struct riot_symbol const riot_symbol_list[] = {
+       {"sched_threads", false},
+       {"sched_num_threads", false},
+       {"sched_active_pid", false},
+       {"max_threads", false},
+       {"_tcb_name_offset", true},
+       {NULL, false}
 };
 
 const struct rtos_type riot_rtos = {
@@ -118,7 +107,7 @@ const struct rtos_type riot_rtos = {
 static int riot_update_threads(struct rtos *rtos)
 {
        int retval;
-       unsigned int tasks_found = 0;
+       int tasks_found = 0;
        const struct riot_params *param;
 
        if (!rtos)
@@ -136,7 +125,7 @@ static int riot_update_threads(struct rtos *rtos)
 
        if (rtos->symbols[RIOT_THREADS_BASE].address == 0) {
                LOG_ERROR("Can't find symbol `%s`",
-                       riot_symbol_list[RIOT_THREADS_BASE]);
+                       riot_symbol_list[RIOT_THREADS_BASE].name);
                return ERROR_FAIL;
        }
 
@@ -154,7 +143,7 @@ static int riot_update_threads(struct rtos *rtos)
                        (uint16_t *)&active_pid);
        if (retval != ERROR_OK) {
                LOG_ERROR("Can't read symbol `%s`",
-                       riot_symbol_list[RIOT_ACTIVE_PID]);
+                       riot_symbol_list[RIOT_ACTIVE_PID].name);
                return retval;
        }
        rtos->current_thread = active_pid;
@@ -167,10 +156,9 @@ static int riot_update_threads(struct rtos *rtos)
                        (uint16_t *)&thread_count);
        if (retval != ERROR_OK) {
                LOG_ERROR("Can't read symbol `%s`",
-                       riot_symbol_list[RIOT_NUM_THREADS]);
+                       riot_symbol_list[RIOT_NUM_THREADS].name);
                return retval;
        }
-       rtos->thread_count = thread_count;
 
        /* read the maximum number of threads */
        uint8_t max_threads = 0;
@@ -179,9 +167,14 @@ static int riot_update_threads(struct rtos *rtos)
                        &max_threads);
        if (retval != ERROR_OK) {
                LOG_ERROR("Can't read symbol `%s`",
-                       riot_symbol_list[RIOT_MAX_THREADS]);
+                       riot_symbol_list[RIOT_MAX_THREADS].name);
                return retval;
        }
+       if (thread_count > max_threads) {
+               LOG_ERROR("Thread count is invalid");
+               return ERROR_FAIL;
+       }
+       rtos->thread_count = thread_count;
 
        /* Base address of thread array */
        uint32_t threads_base = rtos->symbols[RIOT_THREADS_BASE].address;
@@ -195,7 +188,7 @@ static int riot_update_threads(struct rtos *rtos)
                                &name_offset);
                if (retval != ERROR_OK) {
                        LOG_ERROR("Can't read symbol `%s`",
-                               riot_symbol_list[RIOT_NAME_OFFSET]);
+                               riot_symbol_list[RIOT_NAME_OFFSET].name);
                        return retval;
                }
        }
@@ -211,13 +204,17 @@ static int riot_update_threads(struct rtos *rtos)
        char buffer[32];
 
        for (unsigned int i = 0; i < max_threads; i++) {
+               if (tasks_found == rtos->thread_count)
+                       break;
+
                /* get pointer to tcb_t */
                uint32_t tcb_pointer = 0;
                retval = target_read_u32(rtos->target,
                                threads_base + (i * 4),
                                &tcb_pointer);
                if (retval != ERROR_OK) {
-                       LOG_ERROR("Can't parse `%s`", riot_symbol_list[RIOT_THREADS_BASE]);
+                       LOG_ERROR("Can't parse `%s`",
+                               riot_symbol_list[RIOT_THREADS_BASE].name);
                        goto error;
                }
 
@@ -235,7 +232,8 @@ static int riot_update_threads(struct rtos *rtos)
                                tcb_pointer + param->thread_status_offset,
                                &status);
                if (retval != ERROR_OK) {
-                       LOG_ERROR("Can't parse `%s`", riot_symbol_list[RIOT_THREADS_BASE]);
+                       LOG_ERROR("Can't parse `%s`",
+                               riot_symbol_list[RIOT_THREADS_BASE].name);
                        goto error;
                }
 
@@ -269,7 +267,7 @@ static int riot_update_threads(struct rtos *rtos)
                                        &name_pointer);
                        if (retval != ERROR_OK) {
                                LOG_ERROR("Can't parse `%s`",
-                                       riot_symbol_list[RIOT_THREADS_BASE]);
+                                       riot_symbol_list[RIOT_THREADS_BASE].name);
                                goto error;
                        }
 
@@ -280,7 +278,7 @@ static int riot_update_threads(struct rtos *rtos)
                                        (uint8_t *)&buffer);
                        if (retval != ERROR_OK) {
                                LOG_ERROR("Can't parse `%s`",
-                                       riot_symbol_list[RIOT_THREADS_BASE]);
+                                       riot_symbol_list[RIOT_THREADS_BASE].name);
                                goto error;
                        }
 
@@ -339,7 +337,7 @@ static int riot_get_thread_reg_list(struct rtos *rtos, int64_t thread_id,
                        threads_base + (thread_id * 4),
                        &tcb_pointer);
        if (retval != ERROR_OK) {
-               LOG_ERROR("Can't parse `%s`", riot_symbol_list[RIOT_THREADS_BASE]);
+               LOG_ERROR("Can't parse `%s`", riot_symbol_list[RIOT_THREADS_BASE].name);
                return retval;
        }
 
@@ -349,7 +347,7 @@ static int riot_get_thread_reg_list(struct rtos *rtos, int64_t thread_id,
                        tcb_pointer + param->thread_sp_offset,
                        &stackptr);
        if (retval != ERROR_OK) {
-               LOG_ERROR("Can't parse `%s`", riot_symbol_list[RIOT_THREADS_BASE]);
+               LOG_ERROR("Can't parse `%s`", riot_symbol_list[RIOT_THREADS_BASE].name);
                return retval;
        }
 
@@ -370,16 +368,8 @@ static int riot_get_symbol_list_to_lookup(struct symbol_table_elem *symbol_list[
        }
 
        for (unsigned int i = 0; i < ARRAY_SIZE(riot_symbol_list); i++) {
-               (*symbol_list)[i].symbol_name = riot_symbol_list[i];
-               (*symbol_list)[i].optional = false;
-
-               /* Lookup if symbol is optional */
-               for (unsigned int k = 0; k < sizeof(riot_optional_symbols); k++) {
-                       if (i == riot_optional_symbols[k]) {
-                               (*symbol_list)[i].optional = true;
-                               break;
-                       }
-               }
+               (*symbol_list)[i].symbol_name = riot_symbol_list[i].name;
+               (*symbol_list)[i].optional = riot_symbol_list[i].optional;
        }
 
        return ERROR_OK;