+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
/***************************************************************************
* Copyright (C) 2005, 2007 by Dominic Rath *
* Dominic.Rath@gmx.de *
- * *
- * 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. *
***************************************************************************/
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#include "replacements.h"
-#include "log.h"
+#include <helper/log.h>
#include "trace.h"
#include "target.h"
-#include <stdlib.h>
+int trace_point(struct target *target, uint32_t number)
+{
+ struct trace *trace = target->trace_info;
+
+ LOG_DEBUG("tracepoint: %i", (int)number);
+
+ if (number < trace->num_trace_points)
+ trace->trace_points[number].hit_counter++;
+
+ if (trace->trace_history_size) {
+ trace->trace_history[trace->trace_history_pos++] = number;
+ if (trace->trace_history_pos == trace->trace_history_size) {
+ trace->trace_history_pos = 0;
+ trace->trace_history_overflowed = 1;
+ }
+ }
+
+ return ERROR_OK;
+}
-int handle_trace_history_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_trace_point_command)
{
- target_t *target = get_current_target(cmd_ctx);
- trace_t *trace = target->trace_info;
-
- if (argc > 0)
- {
- if (trace->trace_history)
- free(trace->trace_history);
-
- trace->trace_history_size = strtoul(args[0], NULL, 0);
- trace->trace_history = malloc(sizeof(u32) * trace->trace_history_size);
-
- command_print(cmd_ctx, "new trace history size: %i", trace->trace_history_size);
+ struct target *target = get_current_target(CMD_CTX);
+ struct trace *trace = target->trace_info;
+
+ if (CMD_ARGC == 0) {
+ uint32_t i;
+
+ for (i = 0; i < trace->num_trace_points; i++) {
+ command_print(CMD, "trace point 0x%8.8" PRIx32 " (%lld times hit)",
+ trace->trace_points[i].address,
+ (long long)trace->trace_points[i].hit_counter);
+ }
+
+ return ERROR_OK;
}
- else
- {
- int i;
-
- for (i = 0; i < trace->trace_history_size; i++)
- {
- if (trace->trace_history[i] < trace->num_trace_points)
- {
- u32 address;
- address = trace->trace_points[trace->trace_history[i]].address;
- command_print(cmd_ctx, "trace point %i: 0x%8.8x",
- trace->trace_history[i],
- address);
- }
-
- else
- {
- command_print(cmd_ctx, "trace point %i: -not defined-", trace->trace_history[i]);
- }
+
+ if (!strcmp(CMD_ARGV[0], "clear")) {
+ free(trace->trace_points);
+ trace->trace_points = NULL;
+
+ trace->num_trace_points = 0;
+ trace->trace_points_size = 0;
+
+ return ERROR_OK;
+ }
+
+ /* resize array if necessary */
+ if (!trace->trace_points || (trace->trace_points_size == trace->num_trace_points)) {
+ trace->trace_points = realloc(trace->trace_points,
+ sizeof(struct trace_point) * (trace->trace_points_size + 32));
+ trace->trace_points_size += 32;
+ }
+
+ uint32_t address;
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
+ trace->trace_points[trace->num_trace_points].address = address;
+ trace->trace_points[trace->num_trace_points].hit_counter = 0;
+ trace->num_trace_points++;
+
+ return ERROR_OK;
+}
+
+COMMAND_HANDLER(handle_trace_history_command)
+{
+ struct target *target = get_current_target(CMD_CTX);
+ struct trace *trace = target->trace_info;
+
+ if (CMD_ARGC > 0) {
+ trace->trace_history_pos = 0;
+ trace->trace_history_overflowed = 0;
+
+ if (!strcmp(CMD_ARGV[0], "clear")) {
+ /* clearing is implicit, we've just reset position anyway */
+ return ERROR_OK;
+ }
+
+ free(trace->trace_history);
+
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], trace->trace_history_size);
+ trace->trace_history = malloc(sizeof(uint32_t) * trace->trace_history_size);
+
+ command_print(CMD, "new trace history size: %i", (int)(trace->trace_history_size));
+ } else {
+ uint32_t i;
+ uint32_t first = 0;
+ uint32_t last = trace->trace_history_pos;
+
+ if (!trace->trace_history_size) {
+ command_print(CMD, "trace history buffer is not allocated");
+ return ERROR_OK;
+ }
+
+ if (trace->trace_history_overflowed) {
+ first = trace->trace_history_pos;
+ last = trace->trace_history_pos - 1;
+ }
+
+ for (i = first; (i % trace->trace_history_size) != last; i++) {
+ if (trace->trace_history[i % trace->trace_history_size] < trace->num_trace_points) {
+ uint32_t address;
+ address = trace->trace_points[trace->trace_history[i % trace->trace_history_size]].address;
+ command_print(CMD, "trace point %i: 0x%8.8" PRIx32 "",
+ (int)(trace->trace_history[i % trace->trace_history_size]),
+ address);
+ } else
+ command_print(CMD, "trace point %i: -not defined-",
+ (int)(trace->trace_history[i % trace->trace_history_size]));
}
}
return ERROR_OK;
}
+
+static const struct command_registration trace_exec_command_handlers[] = {
+ {
+ .name = "history",
+ .handler = handle_trace_history_command,
+ .mode = COMMAND_EXEC,
+ .help = "display trace history, clear history or set size",
+ .usage = "['clear'|size]",
+ },
+ {
+ .name = "point",
+ .handler = handle_trace_point_command,
+ .mode = COMMAND_EXEC,
+ .help = "display trace points, clear list of trace points, "
+ "or add new tracepoint at address",
+ .usage = "['clear'|address]",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+static const struct command_registration trace_command_handlers[] = {
+ {
+ .name = "trace",
+ .mode = COMMAND_EXEC,
+ .help = "trace command group",
+ .usage = "",
+ .chain = trace_exec_command_handlers,
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
+int trace_register_commands(struct command_context *cmd_ctx)
+{
+ return register_commands(cmd_ctx, NULL, trace_command_handlers);
+}
projects / fw / openocd / blobdiff