1 /***************************************************************************
2 * Copyright (C) 2007 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * Copyright (C) 2007,2008 Øyvind Harboe *
6 * oyvind.harboe@zylin.com *
8 * Copyright (C) 2008 by Spencer Oliver *
9 * spen@spen-soft.co.uk *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
16 * This program is distributed in the hope that it will be useful, *
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
19 * GNU General Public License for more details. *
21 * You should have received a copy of the GNU General Public License *
22 * along with this program; if not, write to the *
23 * Free Software Foundation, Inc., *
24 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
25 ***************************************************************************/
30 #include "replacements.h"
33 #include "target_request.h"
34 #include "binarybuffer.h"
41 command_t
*target_request_cmd
= NULL
;
42 static int charmsg_mode
= 0;
44 int target_asciimsg(target_t
*target
, u32 length
)
46 char *msg
= malloc(CEIL(length
+ 1, 4) * 4);
47 debug_msg_receiver_t
*c
= target
->dbgmsg
;
49 target
->type
->target_request_data(target
, CEIL(length
, 4), (u8
*)msg
);
56 command_print(c
->cmd_ctx
, "%s", msg
);
63 int target_charmsg(target_t
*target
, u8 msg
)
65 LOG_USER_N("%c", msg
);
70 int target_hexmsg(target_t
*target
, int size
, u32 length
)
72 u8
*data
= malloc(CEIL(length
* size
, 4) * 4);
75 debug_msg_receiver_t
*c
= target
->dbgmsg
;
78 LOG_DEBUG("size: %i, length: %i", size
, length
);
80 target
->type
->target_request_data(target
, CEIL(length
* size
, 4), (u8
*)data
);
83 for (i
= 0; i
< length
; i
++)
88 line_len
+= snprintf(line
+ line_len
, 128 - line_len
, "%8.8x ", le_to_h_u32(data
+ (4*i
)));
91 line_len
+= snprintf(line
+ line_len
, 128 - line_len
, "%4.4x ", le_to_h_u16(data
+ (2*i
)));
94 line_len
+= snprintf(line
+ line_len
, 128 - line_len
, "%2.2x ", data
[i
]);
98 if ((i
%8 == 7) || (i
== length
- 1))
100 LOG_DEBUG("%s", line
);
104 command_print(c
->cmd_ctx
, "%s", line
);
117 /* handle requests from the target received by a target specific
118 * side-band channel (e.g. ARM7/9 DCC)
120 int target_request(target_t
*target
, u32 request
)
122 target_req_cmd_t target_req_cmd
= request
& 0xff;
124 if ( charmsg_mode
) {
125 target_charmsg(target
, target_req_cmd
);
128 switch (target_req_cmd
)
130 case TARGET_REQ_TRACEMSG
:
131 trace_point(target
, (request
& 0xffffff00) >> 8);
133 case TARGET_REQ_DEBUGMSG
:
134 if (((request
& 0xff00) >> 8) == 0)
136 target_asciimsg(target
, (request
& 0xffff0000) >> 16);
140 target_hexmsg(target
, (request
& 0xff00) >> 8, (request
& 0xffff0000) >> 16);
143 case TARGET_REQ_DEBUGCHAR
:
144 target_charmsg(target
, (request
& 0x00ff0000) >> 16);
146 /* case TARGET_REQ_SEMIHOSTING:
150 LOG_ERROR("unknown target request: %2.2x", target_req_cmd
);
157 int add_debug_msg_receiver(struct command_context_s
*cmd_ctx
, target_t
*target
)
159 debug_msg_receiver_t
**p
= &target
->dbgmsg
;
162 return ERROR_INVALID_ARGUMENTS
;
164 /* see if there's already a list */
167 /* find end of linked list */
174 /* add new debug message receiver */
175 (*p
) = malloc(sizeof(debug_msg_receiver_t
));
176 (*p
)->cmd_ctx
= cmd_ctx
;
179 /* enable callback */
180 target
->dbg_msg_enabled
= 1;
185 debug_msg_receiver_t
* find_debug_msg_receiver(struct command_context_s
*cmd_ctx
, target_t
*target
)
187 int do_all_targets
= 0;
188 debug_msg_receiver_t
**p
= &target
->dbgmsg
;
190 /* if no target has been specified search all of them */
193 /* if no targets haven been specified */
194 if (all_targets
== NULL
)
197 target
= all_targets
;
205 if ((*p
)->cmd_ctx
== cmd_ctx
)
212 target
= target
->next
;
213 } while (target
&& do_all_targets
);
218 int delete_debug_msg_receiver(struct command_context_s
*cmd_ctx
, target_t
*target
)
220 debug_msg_receiver_t
**p
;
221 debug_msg_receiver_t
*c
;
222 int do_all_targets
= 0;
224 /* if no target has been specified search all of them */
227 /* if no targets haven been specified */
228 if (all_targets
== NULL
)
231 target
= all_targets
;
241 debug_msg_receiver_t
*next
= c
->next
;
242 if (c
->cmd_ctx
== cmd_ctx
)
248 /* disable callback */
249 target
->dbg_msg_enabled
= 0;
258 target
= target
->next
;
259 } while (target
&& do_all_targets
);
264 int handle_target_request_debugmsgs_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
266 target_t
*target
= get_current_target(cmd_ctx
);
270 /* see if reciever is already registered */
271 if (find_debug_msg_receiver(cmd_ctx
, target
) != NULL
)
276 if (!strcmp(args
[0], "enable") || !strcmp(args
[0], "charmsg"))
278 /* don't register if this command context is already receiving */
282 add_debug_msg_receiver(cmd_ctx
, target
);
284 charmsg_mode
= !strcmp(args
[0], "charmsg");
286 else if (!strcmp(args
[0], "disable"))
288 /* no need to delete a receiver if none is registered */
292 delete_debug_msg_receiver(cmd_ctx
, target
);
297 command_print(cmd_ctx
, "usage: target_request debugmsgs ['enable'|'disable'|'charmsg']");
301 command_print(cmd_ctx
, "receiving debug messages from current target %s",
302 (receiving
) ? (charmsg_mode
?"charmsg":"enabled") : "disabled" );
306 int target_request_register_commands(struct command_context_s
*cmd_ctx
)
309 register_command(cmd_ctx
, NULL
, "target_request", NULL
, COMMAND_ANY
, "target_request commands");
311 register_command(cmd_ctx
, target_request_cmd
, "debugmsgs", handle_target_request_debugmsgs_command
,
312 COMMAND_EXEC
, "enable/disable reception of debug messages from target");
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