openocd: fix SPDX tag format for files .c

[fw/openocd] / src / target / smp.c

diff --git a/src/target/smp.c b/src/target/smp.c
index da9ee8b468fa1bf7626260d58eab869a3345d400..effc63f5217333e79486d811448ae70ea67a219e 100644 (file)
--- a/src/target/smp.c
+++ b/src/target/smp.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 /***************************************************************************
  *                                                                         *
  * Copyright (C) ST-Ericsson SA 2011                                       *
  * Author: Michel Jaouen <michel.jaouen@stericsson.com> for ST-Ericsson.   *
- *   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 Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
  ***************************************************************************/
 
 #ifdef HAVE_CONFIG_H
@@ -30,6 +18,7 @@
 #include "smp.h"
 #include "helper/binarybuffer.h"
 
+/* DEPRECATED: gdb_read_smp_packet/gdb_write_smp_packet to be removed      */
 /*  implementation of new packet in gdb interface for smp feature          */
 /*                                                                         */
 /*   j : smp  status request                                               */
@@ -55,18 +44,23 @@
 /*  maint packet jc                                                        */
 
 /* packet j :smp status request */
+#define DEPRECATED_MSG "DEPRECATED: This method is deprecated in favor of the hwthread pseudo RTOS"
 int gdb_read_smp_packet(struct connection *connection,
                char const *packet, int packet_size)
 {
        struct target *target = get_target_from_connection(connection);
        int retval = ERROR_OK;
+
+       LOG_WARNING(DEPRECATED_MSG);
+
        if (target->smp) {
                if (strncmp(packet, "jc", 2) == 0) {
                        const uint32_t len = sizeof(target->gdb_service->core[0]);
                        char hex_buffer[len * 2 + 1];
                        uint8_t buffer[len];
                        buf_set_u32(buffer, 0, len * 8, target->gdb_service->core[0]);
-                       int pkt_len = hexify(hex_buffer, (char *)buffer, sizeof(buffer), sizeof(hex_buffer));
+                       size_t pkt_len = hexify(hex_buffer, buffer, sizeof(buffer),
+                               sizeof(hex_buffer));
 
                        retval = gdb_put_packet(connection, hex_buffer, pkt_len);
                }
@@ -84,6 +78,8 @@ int gdb_write_smp_packet(struct connection *connection,
        int coreid = 0;
        int retval = ERROR_OK;
 
+       LOG_WARNING(DEPRECATED_MSG);
+
        /* skip command character */
        if (target->smp) {
                if (strncmp(packet, "Jc", 2) == 0) {
@@ -97,3 +93,74 @@ int gdb_write_smp_packet(struct connection *connection,
 
        return retval;
 }
+
+COMMAND_HANDLER(default_handle_smp_command)
+{
+       struct target *target = get_current_target(CMD_CTX);
+       struct target_list *head;
+
+       if (CMD_ARGC > 1)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       if (!CMD_ARGC) {
+               command_print(CMD, "%s", target->smp ? "on" : "off");
+               return ERROR_OK;
+       }
+
+       if (!strcmp(CMD_ARGV[0], "on")) {
+               foreach_smp_target(head, target->smp_targets)
+                       head->target->smp = 1;
+
+               return ERROR_OK;
+       }
+
+       if (!strcmp(CMD_ARGV[0], "off")) {
+               foreach_smp_target(head, target->smp_targets)
+                       head->target->smp = 0;
+
+               /* fixes the target display to the debugger */
+               if (!list_empty(target->smp_targets))
+                       target->gdb_service->target = target;
+
+               return ERROR_OK;
+       }
+
+       return ERROR_COMMAND_SYNTAX_ERROR;
+}
+
+COMMAND_HANDLER(handle_smp_gdb_command)
+{
+       struct target *target = get_current_target(CMD_CTX);
+       int retval = ERROR_OK;
+       if (!list_empty(target->smp_targets)) {
+               if (CMD_ARGC == 1) {
+                       int coreid = 0;
+                       COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], coreid);
+                       if (retval != ERROR_OK)
+                               return retval;
+                       target->gdb_service->core[1] = coreid;
+
+               }
+               command_print(CMD, "gdb coreid  %" PRId32 " -> %" PRId32, target->gdb_service->core[0]
+                       , target->gdb_service->core[1]);
+       }
+       return ERROR_OK;
+}
+
+const struct command_registration smp_command_handlers[] = {
+       {
+               .name = "smp",
+               .handler = default_handle_smp_command,
+               .mode = COMMAND_EXEC,
+               .help = "smp handling",
+               .usage = "[on|off]",
+       },
+       {
+               .name = "smp_gdb",
+               .handler = handle_smp_gdb_command,
+               .mode = COMMAND_EXEC,
+               .help = "display/fix current core played to gdb",
+               .usage = "",
+       },
+       COMMAND_REGISTRATION_DONE
+};