After intermittent connection failures or target power failures it
might be necessary to try reexamination even when polling fails. This
should make communication with Cortex-A targets more reliable.
This was runtime tested with stlink attached to an stm32l1 and an FTDI JTAG
adapter attached to an stm32f1 target.
Change-Id: I38c4db8124b7f4bbf53ddda53c13273449f49c15
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2721
Tested-by: jenkins
Reviewed-by: Felipe Balbi <balbi@ti.com>
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-by: Andreas Färber <afaerber@suse.de>
target->backoff.times *= 2;
target->backoff.times++;
}
target->backoff.times *= 2;
target->backoff.times++;
}
- LOG_USER("Polling target %s failed, GDB will be halted. Polling again in %dms",
- target_name(target),
- target->backoff.times * polling_interval);
/* Tell GDB to halt the debugger. This allows the user to
* run monitor commands to handle the situation.
*/
target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
/* Tell GDB to halt the debugger. This allows the user to
* run monitor commands to handle the situation.
*/
target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
- /* Since we succeeded, we reset backoff count */
if (target->backoff.times > 0) {
if (target->backoff.times > 0) {
- LOG_USER("Polling target %s succeeded again, trying to reexamine", target_name(target));
+ LOG_USER("Polling target %s failed, trying to reexamine", target_name(target));
target_reset_examined(target);
retval = target_examine_one(target);
/* Target examination could have failed due to unstable connection,
* but we set the examined flag anyway to repoll it later */
if (retval != ERROR_OK) {
target->examined = true;
target_reset_examined(target);
retval = target_examine_one(target);
/* Target examination could have failed due to unstable connection,
* but we set the examined flag anyway to repoll it later */
if (retval != ERROR_OK) {
target->examined = true;
+ LOG_USER("Examination failed, GDB will be halted. Polling again in %dms",
+ target->backoff.times * polling_interval);
+ /* Since we succeeded, we reset backoff count */
target->backoff.times = 0;
}
}
target->backoff.times = 0;
}
}
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