Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

target: Update messages connected with examine #931

Merged
merged 1 commit into from
Oct 11, 2023
Merged

target: Update messages connected with examine #931

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
28 changes: 14 additions & 14 deletions src/target/target.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -744,16 +744,22 @@ static int default_check_reset(struct target *target)
* Keep in sync */
int target_examine_one(struct target *target)
{
if (target->examine_attempted)
LOG_TARGET_INFO(target, "Retry examination.");

LOG_TARGET_INFO(target, "Examination started.");

target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_START);

int retval = target->type->examine(target);
if (retval != ERROR_OK) {
LOG_TARGET_ERROR(target, "Examination failed. examine() -> %d", retval);
target_reset_examined(target);
target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_FAIL);
return retval;
}

LOG_USER("[%s] Target successfully examined.", target_name(target));
LOG_TARGET_INFO(target, "Target successfully examined.");
timsifive marked this conversation as resolved.
Show resolved Hide resolved
target_set_examined(target);
target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_END);

Expand All @@ -772,12 +778,6 @@ static int jtag_enable_callback(enum jtag_event event, void *priv)
return target_examine_one(target);
}

/* When this is true, it's OK to call examine() again in the hopes that this time
* it will work. Earlier than that there is probably other initialization that
* needs to happen (like scanning the JTAG chain) before examine should be
* called. */
static bool examine_attempted;

/* Targets that correctly implement init + examine, i.e.
* no communication with target during init:
*
Expand All @@ -788,8 +788,6 @@ int target_examine(void)
int retval = ERROR_OK;
struct target *target;

examine_attempted = true;

for (target = all_targets; target; target = target->next) {
/* defer examination, but don't skip it */
if (!target->tap->enabled) {
Expand All @@ -801,11 +799,11 @@ int target_examine(void)
if (target->defer_examine)
continue;

target->examine_attempted = true;

int retval2 = target_examine_one(target);
if (retval2 != ERROR_OK) {
LOG_WARNING("target %s examination failed", target_name(target));
if (retval2 != ERROR_OK)
retval = retval2;
}
}
return retval;
}
Expand Down Expand Up @@ -3066,11 +3064,11 @@ static int handle_target(void *priv)
LOG_TARGET_DEBUG(target, "target_poll() -> %d, next attempt in %dms",
retval, target->backoff.interval);

if (retval != ERROR_OK && examine_attempted) {
if (retval != ERROR_OK && target->examine_attempted) {
target_reset_examined(target);
retval = target_examine_one(target);
if (retval != ERROR_OK) {
LOG_TARGET_DEBUG(target, "Examination failed. Polling again in %dms",
LOG_TARGET_DEBUG(target, "Polling again in %dms",
target->backoff.interval);
return retval;
}
Expand Down Expand Up @@ -6268,6 +6266,8 @@ static int target_create(struct jim_getopt_info *goi)

target->halt_issued = false;

target->examine_attempted = false;

/* initialize trace information */
target->trace_info = calloc(1, sizeof(struct trace));
if (!target->trace_info) {
Expand Down
6 changes: 6 additions & 0 deletions src/target/target.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -138,6 +138,12 @@ struct target {
*/
bool examined;

/* When this is true, it's OK to call examine() again in the hopes that this time
* it will work. Earlier than that there is probably other initialization that
* needs to happen (like scanning the JTAG chain) before examine should be
* called. */
bool examine_attempted;

/**
* true if the target is currently running a downloaded
* "algorithm" instead of arbitrary user code. OpenOCD code
Expand Down
Loading