1 /***************************************************************************
3 * Copyright (C) ST-Ericsson SA 2011 *
4 * Author: Michel Jaouen <michel.jaouen@stericsson.com> for ST-Ericsson. *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program. If not, see <http://www.gnu.org/licenses/>. *
17 ***************************************************************************/
23 #include "server/server.h"
25 #include "target/target.h"
27 #include "server/gdb_server.h"
29 #include "helper/binarybuffer.h"
31 /* DEPRECATED: gdb_read_smp_packet/gdb_write_smp_packet to be removed */
32 /* implementation of new packet in gdb interface for smp feature */
34 /* j : smp status request */
35 /* J : smp set request */
37 /* jc :read core id displayed by gdb connection */
38 /* reply XXXXXXXX core id is int32_t , 8 hex digits */
40 /* Reply ENN error not supported (target not smp) */
42 /* JcXX set core id displayed at next gdb continue */
43 /* maximum 8 bytes described core id int32_t (8 hex digits) */
44 /* (core id -1 , reserved for returning to normal continue mode) */
45 /* Reply ENN error not supported(target not smp,core id out of range) */
46 /* Reply OK : for success */
48 /* handling of this packet within gdb can be done by the creation */
49 /* internal variable by mean of function allocate_computed_value */
50 /* set $_core 1 => Jc01 packet is sent */
51 /* print $_core => jc packet is sent and result is affected in $ */
52 /* Another way to test this packet is the usage of maintenance packet */
53 /* maint packet Jc01 */
56 /* packet j :smp status request */
57 #define DEPRECATED_MSG "DEPRECATED: This method is deprecated in favor of the hwthread pseudo RTOS"
58 int gdb_read_smp_packet(struct connection *connection,
59 char const *packet, int packet_size)
61 struct target *target = get_target_from_connection(connection);
62 int retval = ERROR_OK;
64 LOG_WARNING(DEPRECATED_MSG);
67 if (strncmp(packet, "jc", 2) == 0) {
68 const uint32_t len = sizeof(target->gdb_service->core[0]);
69 char hex_buffer[len * 2 + 1];
71 buf_set_u32(buffer, 0, len * 8, target->gdb_service->core[0]);
72 size_t pkt_len = hexify(hex_buffer, buffer, sizeof(buffer),
75 retval = gdb_put_packet(connection, hex_buffer, pkt_len);
78 retval = gdb_put_packet(connection, "E01", 3);
82 /* J : smp set request */
83 int gdb_write_smp_packet(struct connection *connection,
84 char const *packet, int packet_size)
86 struct target *target = get_target_from_connection(connection);
89 int retval = ERROR_OK;
91 LOG_WARNING(DEPRECATED_MSG);
93 /* skip command character */
95 if (strncmp(packet, "Jc", 2) == 0) {
97 coreid = strtoul(packet, &separator, 16);
98 target->gdb_service->core[1] = coreid;
99 retval = gdb_put_packet(connection, "OK", 2);
102 retval = gdb_put_packet(connection, "E01", 3);
107 COMMAND_HANDLER(default_handle_smp_command)
109 struct target *target = get_current_target(CMD_CTX);
110 struct target_list *head;
113 return ERROR_COMMAND_SYNTAX_ERROR;
116 command_print(CMD, "%s", target->smp ? "on" : "off");
120 if (!strcmp(CMD_ARGV[0], "on")) {
121 foreach_smp_target(head, target->smp_targets)
122 head->target->smp = 1;
127 if (!strcmp(CMD_ARGV[0], "off")) {
128 foreach_smp_target(head, target->smp_targets)
129 head->target->smp = 0;
131 /* fixes the target display to the debugger */
132 if (!list_empty(target->smp_targets))
133 target->gdb_service->target = target;
138 return ERROR_COMMAND_SYNTAX_ERROR;
141 COMMAND_HANDLER(handle_smp_gdb_command)
143 struct target *target = get_current_target(CMD_CTX);
144 int retval = ERROR_OK;
145 if (!list_empty(target->smp_targets)) {
148 COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], coreid);
149 if (retval != ERROR_OK)
151 target->gdb_service->core[1] = coreid;
154 command_print(CMD, "gdb coreid %" PRId32 " -> %" PRId32, target->gdb_service->core[0]
155 , target->gdb_service->core[1]);
160 const struct command_registration smp_command_handlers[] = {
163 .handler = default_handle_smp_command,
164 .mode = COMMAND_EXEC,
165 .help = "smp handling",
170 .handler = handle_smp_gdb_command,
171 .mode = COMMAND_EXEC,
172 .help = "display/fix current core played to gdb",
175 COMMAND_REGISTRATION_DONE