100 lines
4.6 KiB
C
100 lines
4.6 KiB
C
/***************************************************************************
|
|
* *
|
|
* 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
|
|
#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]);
|
|
int pkt_len = hexify(hex_buffer, (char *)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;
|
|
}
|