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
)
58 LOG_USER_N("%c", 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 LOG_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))
93 LOG_DEBUG("%s", line
);
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 LOG_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");
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