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- /***************************************************************************
- * *
- * 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, see <http://www.gnu.org/licenses/>. *
- ***************************************************************************/
-
- #ifdef HAVE_CONFIG_H
- #include "config.h"
- #endif
-
- #include "server/server.h"
-
- #include "target/target.h"
-
- #include "server/gdb_server.h"
- #include "smp.h"
- #include "helper/binarybuffer.h"
-
- /* implementation of new packet in gdb interface for smp feature */
- /* */
- /* j : smp status request */
- /* J : smp set request */
- /* */
- /* jc :read core id displayed by gdb connection */
- /* reply XXXXXXXX core id is int32_t , 8 hex digits */
- /* */
- /* Reply ENN error not supported (target not smp) */
- /* */
- /* JcXX set core id displayed at next gdb continue */
- /* maximum 8 bytes described core id int32_t (8 hex digits) */
- /* (core id -1 , reserved for returning to normal continue mode) */
- /* Reply ENN error not supported(target not smp,core id out of range) */
- /* Reply OK : for success */
- /* */
- /* handling of this packet within gdb can be done by the creation */
- /* internal variable by mean of function allocate_computed_value */
- /* set $_core 1 => Jc01 packet is sent */
- /* print $_core => jc packet is sent and result is affected in $ */
- /* Another way to test this packet is the usage of maintenance packet */
- /* maint packet Jc01 */
- /* maint packet jc */
-
- /* packet j :smp status request */
- 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;
- 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]);
- size_t pkt_len = hexify(hex_buffer, buffer, sizeof(buffer),
- sizeof(hex_buffer));
-
- retval = gdb_put_packet(connection, hex_buffer, pkt_len);
- }
- } else
- retval = gdb_put_packet(connection, "E01", 3);
- return retval;
- }
-
- /* J : smp set request */
- int gdb_write_smp_packet(struct connection *connection,
- char const *packet, int packet_size)
- {
- struct target *target = get_target_from_connection(connection);
- char *separator;
- int coreid = 0;
- int retval = ERROR_OK;
-
- /* skip command character */
- if (target->smp) {
- if (strncmp(packet, "Jc", 2) == 0) {
- packet += 2;
- coreid = strtoul(packet, &separator, 16);
- target->gdb_service->core[1] = coreid;
- retval = gdb_put_packet(connection, "OK", 2);
- }
- } else
- retval = gdb_put_packet(connection, "E01", 3);
-
- return retval;
- }
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