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");