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 * This program is free software; you can redistribute it and/or modify *
9 * it under the terms of the GNU General Public License as published by *
10 * the Free Software Foundation; either version 2 of the License, or *
11 * (at your option) any later version. *
13 * This program is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16 * GNU General Public License for more details. *
18 * You should have received a copy of the GNU General Public License *
19 * along with this program; if not, write to the *
20 * Free Software Foundation, Inc., *
21 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
22 ***************************************************************************/
27 #include "replacements.h"
30 #include "target_request.h"
31 #include "binarybuffer.h"
38 command_t
*target_request_cmd
= NULL
;
40 int target_asciimsg(target_t
*target
, u32 length
)
42 char *msg
= malloc(CEIL(length
+ 1, 4) * 4);
43 debug_msg_receiver_t
*c
= target
->dbgmsg
;
45 target
->type
->target_request_data(target
, CEIL(length
, 4), (u8
*)msg
);
52 command_print(c
->cmd_ctx
, "%s", msg
);
59 int target_charmsg(target_t
*target
, u8 msg
)
61 LOG_USER_N("%c", msg
);
66 int target_hexmsg(target_t
*target
, int size
, u32 length
)
68 u8
*data
= malloc(CEIL(length
* size
, 4) * 4);
71 debug_msg_receiver_t
*c
= target
->dbgmsg
;
74 LOG_DEBUG("size: %i, length: %i", size
, length
);
76 target
->type
->target_request_data(target
, CEIL(length
* size
, 4), (u8
*)data
);
79 for (i
= 0; i
< length
; i
++)
84 line_len
+= snprintf(line
+ line_len
, 128 - line_len
, "%8.8x ", le_to_h_u32(data
+ (4*i
)));
87 line_len
+= snprintf(line
+ line_len
, 128 - line_len
, "%4.4x ", le_to_h_u16(data
+ (2*i
)));
90 line_len
+= snprintf(line
+ line_len
, 128 - line_len
, "%2.2x ", data
[i
]);
94 if ((i
%8 == 7) || (i
== length
- 1))
96 LOG_DEBUG("%s", line
);
100 command_print(c
->cmd_ctx
, "%s", line
);
113 /* handle requests from the target received by a target specific
114 * side-band channel (e.g. ARM7/9 DCC)
116 int target_request(target_t
*target
, u32 request
)
118 target_req_cmd_t target_req_cmd
= request
& 0xff;
120 switch (target_req_cmd
)
122 case TARGET_REQ_TRACEMSG
:
123 trace_point(target
, (request
& 0xffffff00) >> 8);
125 case TARGET_REQ_DEBUGMSG
:
126 if (((request
& 0xff00) >> 8) == 0)
128 target_asciimsg(target
, (request
& 0xffff0000) >> 16);
132 target_hexmsg(target
, (request
& 0xff00) >> 8, (request
& 0xffff0000) >> 16);
135 case TARGET_REQ_DEBUGCHAR
:
136 target_charmsg(target
, (request
& 0x00ff0000) >> 16);
138 /* case TARGET_REQ_SEMIHOSTING:
142 LOG_ERROR("unknown target request: %2.2x", target_req_cmd
);
149 int add_debug_msg_receiver(struct command_context_s
*cmd_ctx
, target_t
*target
)
151 debug_msg_receiver_t
**p
= &target
->dbgmsg
;
154 return ERROR_INVALID_ARGUMENTS
;
156 /* see if there's already a list */
159 /* find end of linked list */
166 /* add new debug message receiver */
167 (*p
) = malloc(sizeof(debug_msg_receiver_t
));
168 (*p
)->cmd_ctx
= cmd_ctx
;
171 /* enable callback */
172 target
->dbg_msg_enabled
= 1;
177 debug_msg_receiver_t
* find_debug_msg_receiver(struct command_context_s
*cmd_ctx
, target_t
*target
)
180 debug_msg_receiver_t
**p
= &target
->dbgmsg
;
182 /* if no target has been specified search all of them */
185 /* if no targets haven been specified */
197 if ((*p
)->cmd_ctx
== cmd_ctx
)
204 target
= target
->next
;
205 } while (target
&& all_targets
);
210 int delete_debug_msg_receiver(struct command_context_s
*cmd_ctx
, target_t
*target
)
212 debug_msg_receiver_t
**p
;
213 debug_msg_receiver_t
*c
;
216 /* if no target has been specified search all of them */
219 /* if no targets haven been specified */
233 debug_msg_receiver_t
*next
= c
->next
;
234 if (c
->cmd_ctx
== cmd_ctx
)
240 /* disable callback */
241 target
->dbg_msg_enabled
= 0;
250 target
= target
->next
;
251 } while (target
&& all_targets
);
256 int handle_target_request_debugmsgs_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
258 target_t
*target
= get_current_target(cmd_ctx
);
262 /* see if reciever is already registered */
263 if (find_debug_msg_receiver(cmd_ctx
, target
) != NULL
)
268 if (!strcmp(args
[0], "enable"))
270 /* don't register if this command context is already receiving */
274 add_debug_msg_receiver(cmd_ctx
, target
);
277 else if (!strcmp(args
[0], "disable"))
279 /* no need to delete a receiver if none is registered */
283 delete_debug_msg_receiver(cmd_ctx
, target
);
288 command_print(cmd_ctx
, "usage: target_request debugmsgs ['enable'|'disable']");
292 command_print(cmd_ctx
, "receiving debug messages from current target %s",
293 (receiving
) ? "enabled" : "disabled");
298 int target_request_register_commands(struct command_context_s
*cmd_ctx
)
301 register_command(cmd_ctx
, NULL
, "target_request", NULL
, COMMAND_ANY
, "target_request commands");
303 register_command(cmd_ctx
, target_request_cmd
, "debugmsgs", handle_target_request_debugmsgs_command
,
304 COMMAND_EXEC
, "enable/disable reception of debug messgages from target");
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