1 /***************************************************************************
2 * Copyright (C) 2007 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
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, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
24 #include "replacements.h"
27 #include "target_request.h"
28 #include "binarybuffer.h"
35 command_t *target_request_cmd = NULL;
37 int target_asciimsg(target_t *target, u32 length)
39 char *msg = malloc(CEIL(length + 1, 4) * 4);
40 debug_msg_receiver_t *c = target->dbgmsg;
42 target->type->target_request_data(target, CEIL(length, 4), (u8*)msg);
49 command_print(c->cmd_ctx, "%s", msg);
56 int target_hexmsg(target_t *target, int size, u32 length)
58 u8 *data = malloc(CEIL(length * size, 4) * 4);
61 debug_msg_receiver_t *c = target->dbgmsg;
64 DEBUG("size: %i, length: %i", size, length);
66 target->type->target_request_data(target, CEIL(length * size, 4), (u8*)data);
69 for (i = 0; i < length; i++)
74 line_len += snprintf(line + line_len, 128 - line_len, "%8.8x ", le_to_h_u32(data + (4*i)));
77 line_len += snprintf(line + line_len, 128 - line_len, "%4.4x ", le_to_h_u16(data + (2*i)));
80 line_len += snprintf(line + line_len, 128 - line_len, "%2.2x ", data[i]);
84 if ((i%8 == 7) || (i == length - 1))
88 command_print(c->cmd_ctx, "%s", line);
101 /* handle requests from the target received by a target specific
102 * side-band channel (e.g. ARM7/9 DCC)
104 int target_request(target_t *target, u32 request)
106 target_req_cmd_t target_req_cmd = request & 0xff;
108 switch (target_req_cmd)
110 case TARGET_REQ_TRACEMSG:
111 trace_point(target, (request & 0xffffff00) >> 8);
113 case TARGET_REQ_DEBUGMSG:
114 if (((request & 0xff00) >> 8) == 0)
116 target_asciimsg(target, (request & 0xffff0000) >> 16);
120 target_hexmsg(target, (request & 0xff00) >> 8, (request & 0xffff0000) >> 16);
123 /* case TARGET_REQ_SEMIHOSTING:
127 ERROR("unknown target request: %2.2x", target_req_cmd);
134 int add_debug_msg_receiver(struct command_context_s *cmd_ctx, target_t *target)
136 debug_msg_receiver_t **p = &target->dbgmsg;
139 return ERROR_INVALID_ARGUMENTS;
141 /* see if there's already a list */
144 /* find end of linked list */
151 /* add new debug message receiver */
152 (*p) = malloc(sizeof(debug_msg_receiver_t));
153 (*p)->cmd_ctx = cmd_ctx;
159 debug_msg_receiver_t* find_debug_msg_receiver(struct command_context_s *cmd_ctx, target_t *target)
162 debug_msg_receiver_t **p = &target->dbgmsg;
164 /* if no target has been specified search all of them */
167 /* if no targets haven been specified */
179 if ((*p)->cmd_ctx == cmd_ctx)
186 target = target->next;
187 } while (target && all_targets);
192 int delete_debug_msg_receiver(struct command_context_s *cmd_ctx, target_t *target)
194 debug_msg_receiver_t **p;
195 debug_msg_receiver_t *c;
198 /* if no target has been specified search all of them */
201 /* if no targets haven been specified */
215 debug_msg_receiver_t *next = c->next;
216 if (c->cmd_ctx == cmd_ctx)
227 target = target->next;
228 } while (target && all_targets);
233 int handle_target_request_debugmsgs_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
235 target_t *target = get_current_target(cmd_ctx);
239 /* see if reciever is already registered */
240 if (find_debug_msg_receiver(cmd_ctx, target) != NULL)
245 if (!strcmp(args[0], "enable"))
247 /* don't register if this command context is already receiving */
251 add_debug_msg_receiver(cmd_ctx, target);
254 else if (!strcmp(args[0], "disable"))
256 /* no need to delete a receiver if none is registered */
260 delete_debug_msg_receiver(cmd_ctx, target);
265 command_print(cmd_ctx, "usage: target_request debugmsgs ['enable'|'disable']");
269 command_print(cmd_ctx, "receiving debug messages from current target %s",
270 (receiving) ? "enabled" : "disabled");
275 int target_request_register_commands(struct command_context_s *cmd_ctx)
278 register_command(cmd_ctx, NULL, "target_request", NULL, COMMAND_ANY, "target_request commands");
280 register_command(cmd_ctx, target_request_cmd, "debugmsgs", handle_target_request_debugmsgs_command,
281 COMMAND_EXEC, "enable/disable reception of debug messgages from target");