target: check target supports target_request_data

Make sure the target support target requests before we enable any receivers.

Change-Id: I8ce42922eaff76fb5e7a114da716f2a6585a6ab5
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/1536
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
This commit is contained in:
Spencer Oliver 2013-08-02 12:57:30 +01:00
parent 9e02c99d7b
commit 854a114221
1 changed files with 7 additions and 0 deletions

View File

@ -122,6 +122,8 @@ int target_request(struct target *target, uint32_t request)
{
target_req_cmd_t target_req_cmd = request & 0xff;
assert(target->type->target_request_data);
/* Record that we got a target message for back-off algorithm */
got_message = true;
@ -256,6 +258,11 @@ COMMAND_HANDLER(handle_target_request_debugmsgs_command)
int receiving = 0;
if (target->type->target_request_data == NULL) {
LOG_ERROR("Target %s does not support target requests", target_name(target));
return ERROR_OK;
}
/* see if reciever is already registered */
if (find_debug_msg_receiver(CMD_CTX, target) != NULL)
receiving = 1;