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_charmsg(target_t *target, u8 msg)
63 int target_hexmsg(target_t *target, int size, u32 length)
65 u8 *data = malloc(CEIL(length * size, 4) * 4);
68 debug_msg_receiver_t *c = target->dbgmsg;
71 DEBUG("size: %i, length: %i", size, length);
73 target->type->target_request_data(target, CEIL(length * size, 4), (u8*)data);
76 for (i = 0; i < length; i++)
81 line_len += snprintf(line + line_len, 128 - line_len, "%8.8x ", le_to_h_u32(data + (4*i)));
84 line_len += snprintf(line + line_len, 128 - line_len, "%4.4x ", le_to_h_u16(data + (2*i)));
87 line_len += snprintf(line + line_len, 128 - line_len, "%2.2x ", data[i]);
91 if ((i%8 == 7) || (i == length - 1))
97 command_print(c->cmd_ctx, "%s", line);
110 /* handle requests from the target received by a target specific
111 * side-band channel (e.g. ARM7/9 DCC)
113 int target_request(target_t *target, u32 request)
115 target_req_cmd_t target_req_cmd = request & 0xff;
117 switch (target_req_cmd)
119 case TARGET_REQ_TRACEMSG:
120 trace_point(target, (request & 0xffffff00) >> 8);
122 case TARGET_REQ_DEBUGMSG:
123 if (((request & 0xff00) >> 8) == 0)
125 target_asciimsg(target, (request & 0xffff0000) >> 16);
129 target_hexmsg(target, (request & 0xff00) >> 8, (request & 0xffff0000) >> 16);
132 case TARGET_REQ_DEBUGCHAR:
133 target_charmsg(target, (request & 0x00ff0000) >> 16);
135 /* case TARGET_REQ_SEMIHOSTING:
139 ERROR("unknown target request: %2.2x", target_req_cmd);
146 int add_debug_msg_receiver(struct command_context_s *cmd_ctx, target_t *target)
148 debug_msg_receiver_t **p = &target->dbgmsg;
151 return ERROR_INVALID_ARGUMENTS;
153 /* see if there's already a list */
156 /* find end of linked list */
163 /* add new debug message receiver */
164 (*p) = malloc(sizeof(debug_msg_receiver_t));
165 (*p)->cmd_ctx = cmd_ctx;
168 /* enable callback */
169 target->dbg_msg_enabled = 1;
174 debug_msg_receiver_t* find_debug_msg_receiver(struct command_context_s *cmd_ctx, target_t *target)
177 debug_msg_receiver_t **p = &target->dbgmsg;
179 /* if no target has been specified search all of them */
182 /* if no targets haven been specified */
194 if ((*p)->cmd_ctx == cmd_ctx)
201 target = target->next;
202 } while (target && all_targets);
207 int delete_debug_msg_receiver(struct command_context_s *cmd_ctx, target_t *target)
209 debug_msg_receiver_t **p;
210 debug_msg_receiver_t *c;
213 /* if no target has been specified search all of them */
216 /* if no targets haven been specified */
230 debug_msg_receiver_t *next = c->next;
231 if (c->cmd_ctx == cmd_ctx)
237 /* disable callback */
238 target->dbg_msg_enabled = 0;
247 target = target->next;
248 } while (target && all_targets);
253 int handle_target_request_debugmsgs_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
255 target_t *target = get_current_target(cmd_ctx);
259 /* see if reciever is already registered */
260 if (find_debug_msg_receiver(cmd_ctx, target) != NULL)
265 if (!strcmp(args[0], "enable"))
267 /* don't register if this command context is already receiving */
271 add_debug_msg_receiver(cmd_ctx, target);
274 else if (!strcmp(args[0], "disable"))
276 /* no need to delete a receiver if none is registered */
280 delete_debug_msg_receiver(cmd_ctx, target);
285 command_print(cmd_ctx, "usage: target_request debugmsgs ['enable'|'disable']");
289 command_print(cmd_ctx, "receiving debug messages from current target %s",
290 (receiving) ? "enabled" : "disabled");
295 int target_request_register_commands(struct command_context_s *cmd_ctx)
298 register_command(cmd_ctx, NULL, "target_request", NULL, COMMAND_ANY, "target_request commands");
300 register_command(cmd_ctx, target_request_cmd, "debugmsgs", handle_target_request_debugmsgs_command,
301 COMMAND_EXEC, "enable/disable reception of debug messgages from target");