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server: tcl_trace command

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Implements async target trace output to the tcl server

Change-Id: I0178f6404447337d523782a1d2c317457030da40
Signed-off-by: Austin Morton <austinpmorton@gmail.com>
Reviewed-on: http://openocd.zylin.com/2588
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>
This commit is contained in:
Austin Morton
2015-03-09 05:34:52 -04:00
committed by Paul Fertser
parent 85903156d7
commit d28ab08cfa
5 changed files with 165 additions and 12 deletions
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52
src/target/target.c
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@@ -140,6 +140,7 @@ struct target *all_targets;
static struct target_event_callback *target_event_callbacks;
static struct target_timer_callback *target_timer_callbacks;
LIST_HEAD(target_reset_callback_list);
LIST_HEAD(target_trace_callback_list);
static const int polling_interval = 100;
static const Jim_Nvp nvp_assert[] = {
@@ -1350,6 +1351,28 @@ int target_register_reset_callback(int (*callback)(struct target *target,
return ERROR_OK;
}
int target_register_trace_callback(int (*callback)(struct target *target,
size_t len, uint8_t *data, void *priv), void *priv)
{
struct target_trace_callback *entry;
if (callback == NULL)
return ERROR_COMMAND_SYNTAX_ERROR;
entry = malloc(sizeof(struct target_trace_callback));
if (entry == NULL) {
LOG_ERROR("error allocating buffer for trace callback entry");
return ERROR_COMMAND_SYNTAX_ERROR;
}
entry->callback = callback;
entry->priv = priv;
list_add(&entry->list, &target_trace_callback_list);
return ERROR_OK;
}
int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
{
struct target_timer_callback **callbacks_p = &target_timer_callbacks;
@@ -1427,6 +1450,25 @@ int target_unregister_reset_callback(int (*callback)(struct target *target,
return ERROR_OK;
}
int target_unregister_trace_callback(int (*callback)(struct target *target,
size_t len, uint8_t *data, void *priv), void *priv)
{
struct target_trace_callback *entry;
if (callback == NULL)
return ERROR_COMMAND_SYNTAX_ERROR;
list_for_each_entry(entry, &target_trace_callback_list, list) {
if (entry->callback == callback && entry->priv == priv) {
list_del(&entry->list);
free(entry);
break;
}
}
return ERROR_OK;
}
int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
{
if (callback == NULL)
@@ -1480,6 +1522,16 @@ int target_call_reset_callbacks(struct target *target, enum target_reset_mode re
return ERROR_OK;
}
int target_call_trace_callbacks(struct target *target, size_t len, uint8_t *data)
{
struct target_trace_callback *callback;
list_for_each_entry(callback, &target_trace_callback_list, list)
callback->callback(target, len, data, callback->priv);
return ERROR_OK;
}
static int target_timer_callback_periodic_restart(
struct target_timer_callback *cb, struct timeval *now)
{