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Move back off timer to target struct

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Move the global target back off timer to the target struct. This will
fix the wrong error handling with multi target devices like smp systems.

Change-Id: Ia327182ed5d13ca87323700017a8c40ecc6b25a3
Signed-off-by: Mathias K <kesmtp@freenet.de>
Reviewed-on: http://openocd.zylin.com/1179
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
This commit is contained in:
Mathias K
2013-02-25 18:15:15 +01:00
committed by Spencer Oliver
parent c4e0109644
commit 5d80b36552
2 changed files with 20 additions and 17 deletions
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29
src/target/target.c
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@@ -2164,9 +2164,6 @@ static int sense_handler(void)
return ERROR_OK;
}
static int backoff_times;
static int backoff_count;
/* process target state changes */
static int handle_target(void *priv)
{
@@ -2222,13 +2219,6 @@ static int handle_target(void *priv)
recursive = 0;
}
if (backoff_times > backoff_count) {
/* do not poll this time as we failed previously */
backoff_count++;
return ERROR_OK;
}
backoff_count = 0;
/* Poll targets for state changes unless that's globally disabled.
* Skip targets that are currently disabled.
*/
@@ -2238,19 +2228,26 @@ static int handle_target(void *priv)
if (!target->tap->enabled)
continue;
if (target->backoff.times > target->backoff.count) {
/* do not poll this time as we failed previously */
target->backoff.count++;
continue;
}
target->backoff.count = 0;
/* only poll target if we've got power and srst isn't asserted */
if (!powerDropout && !srstAsserted) {
/* polling may fail silently until the target has been examined */
retval = target_poll(target);
if (retval != ERROR_OK) {
/* 100ms polling interval. Increase interval between polling up to 5000ms */
if (backoff_times * polling_interval < 5000) {
backoff_times *= 2;
backoff_times++;
if (target->backoff.times * polling_interval < 5000) {
target->backoff.times *= 2;
target->backoff.times++;
}
LOG_USER("Polling target %s failed, GDB will be halted. Polling again in %dms",
target_name(target),
backoff_times * polling_interval);
target->backoff.times * polling_interval);
/* Tell GDB to halt the debugger. This allows the user to
* run monitor commands to handle the situation.
@@ -2259,9 +2256,9 @@ static int handle_target(void *priv)
return retval;
}
/* Since we succeeded, we reset backoff count */
if (backoff_times > 0)
if (target->backoff.times > 0)
LOG_USER("Polling target %s succeeded again", target_name(target));
backoff_times = 0;
target->backoff.times = 0;
}
}