efi_loader: add check_tpl parameter to efi_signal_event
In ExitBootServices we need to signal events irrespective of the current
TPL level. A new parameter check_tpl is added to efi_signal_event().
Function efi_console_timer_notify() gets some comments.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 029dc09..8e5480a 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -149,13 +149,14 @@
* For the SignalEvent service see efi_signal_event_ext.
*
* @event event to signal
+ * @check_tpl check the TPL level
*/
-void efi_signal_event(struct efi_event *event)
+void efi_signal_event(struct efi_event *event, bool check_tpl)
{
if (event->notify_function) {
event->is_queued = true;
/* Check TPL */
- if (efi_tpl >= event->notify_tpl)
+ if (check_tpl && efi_tpl >= event->notify_tpl)
return;
EFI_CALL_VOID(event->notify_function(event,
event->notify_context));
@@ -565,7 +566,7 @@
if (!efi_events[i].type)
continue;
if (efi_events[i].is_queued)
- efi_signal_event(&efi_events[i]);
+ efi_signal_event(&efi_events[i], true);
if (!(efi_events[i].type & EVT_TIMER) ||
now < efi_events[i].trigger_next)
continue;
@@ -581,7 +582,7 @@
continue;
}
efi_events[i].is_signaled = true;
- efi_signal_event(&efi_events[i]);
+ efi_signal_event(&efi_events[i], true);
}
WATCHDOG_RESET();
}
@@ -690,7 +691,7 @@
if (!event[i]->type || event[i]->type & EVT_NOTIFY_SIGNAL)
return EFI_EXIT(EFI_INVALID_PARAMETER);
if (!event[i]->is_signaled)
- efi_signal_event(event[i]);
+ efi_signal_event(event[i], true);
}
/* Wait for signal */
@@ -740,7 +741,7 @@
break;
event->is_signaled = true;
if (event->type & EVT_NOTIFY_SIGNAL)
- efi_signal_event(event);
+ efi_signal_event(event, true);
break;
}
return EFI_EXIT(EFI_SUCCESS);
@@ -797,7 +798,7 @@
if (!event->type || event->type & EVT_NOTIFY_SIGNAL)
break;
if (!event->is_signaled)
- efi_signal_event(event);
+ efi_signal_event(event, true);
if (event->is_signaled)
return EFI_EXIT(EFI_SUCCESS);
return EFI_EXIT(EFI_NOT_READY);
diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c
index 56b079c..28d6363 100644
--- a/lib/efi_loader/efi_console.c
+++ b/lib/efi_loader/efi_console.c
@@ -482,18 +482,26 @@
{
}
+/*
+ * Notification function of the console timer event.
+ *
+ * event: console timer event
+ * context: not used
+ */
static void EFIAPI efi_console_timer_notify(struct efi_event *event,
void *context)
{
EFI_ENTRY("%p, %p", event, context);
+
+ /* Check if input is available */
if (tstc()) {
+ /* Queue the wait for key event */
efi_con_in.wait_for_key->is_signaled = true;
- efi_signal_event(efi_con_in.wait_for_key);
- }
+ efi_signal_event(efi_con_in.wait_for_key, true);
+ }
EFI_EXIT(EFI_SUCCESS);
}
-
/* This gets called from do_bootefi_exec(). */
int efi_console_register(void)
{