target: reset target examined flag if target::examine() fails

For example: before this change in cortex_m_examine, if we fail reading CPUID
we return a failure code but target was set to examined which is not consistent.

Change-Id: I9f0ebe8f811849e54d1b350b0db506cb3fdd58f4
Signed-off-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/6548
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Tarek BOCHKATI 2021-09-07 14:25:32 +01:00 committed by Antonio Borneo
parent ba1061fe1d
commit 98d9f1168c
1 changed files with 18 additions and 11 deletions

View File

@ -717,6 +717,15 @@ static int no_mmu(struct target *target, int *enabled)
return ERROR_OK;
}
/**
* Reset the @c examined flag for the given target.
* Pure paranoia -- targets are zeroed on allocation.
*/
static inline void target_reset_examined(struct target *target)
{
target->examined = false;
}
static int default_examine(struct target *target)
{
target_set_examined(target);
@ -737,10 +746,12 @@ int target_examine_one(struct target *target)
int retval = target->type->examine(target);
if (retval != ERROR_OK) {
target_reset_examined(target);
target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_FAIL);
return retval;
}
target_set_examined(target);
target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_END);
return ERROR_OK;
@ -1522,15 +1533,6 @@ static int target_profiling(struct target *target, uint32_t *samples,
num_samples, seconds);
}
/**
* Reset the @c examined flag for the given target.
* Pure paranoia -- targets are zeroed on allocation.
*/
static void target_reset_examined(struct target *target)
{
target->examined = false;
}
static int handle_target(void *priv);
static int target_init_one(struct command_context *cmd_ctx,
@ -3055,7 +3057,7 @@ static int handle_target(void *priv)
/* 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_set_examined(target);
LOG_USER("Examination failed, GDB will be halted. Polling again in %dms",
target->backoff.times * polling_interval);
return retval;
@ -5308,8 +5310,13 @@ static int jim_target_examine(Jim_Interp *interp, int argc, Jim_Obj *const *argv
}
int e = target->type->examine(target);
if (e != ERROR_OK)
if (e != ERROR_OK) {
target_reset_examined(target);
return JIM_ERR;
}
target_set_examined(target);
return JIM_OK;
}