def force_notify_RegisterProtocolNotify(ql: Qiling, address: int, params):
event_id = params['Event']
if event_id in ql.loader.events:
# let's force notify
event = ql.loader.events[event_id]
event['Guid'] = params["Protocol"]
event["Set"] = False
signal_event(ql, event_id)
execute_protocol_notifications(ql, True)
return EFI_SUCCESS
return EFI_INVALID_PARAMETER
def __module_exit_trap(ql: Qiling):
# this trap will be called when the current module entry point function
# returns. this is done do regain control, run necessary tear down code
# and proceed to the execution of the next module. if no more modules
# left, terminate gracefully.
#
# the tear down code may include queued protocol notifications and module
# unload callbacks. in such case the trap returns without calling 'os.stop'
# and the execution resumes with the current cpu state.
#
# note that the trap may be called multiple times for a single module,
# every time a tear down code needs to be executed, or for any other
# reason defined by the user.
if ql.os.notify_after_module_execution(len(self.modules)):
return
if utils.execute_protocol_notifications(ql):
return
if self.modules:
self.execute_next_module()
else:
if self.unload_modules(
self.smm_context) or self.unload_modules(
self.dxe_context):
return
ql.log.info(f'No more modules to run')
ql.os.stop()
def force_notify_RegisterProtocolNotify(ql, address, params):
print("\n")
print("=" * 40)
print(" Enter into set_api mode")
print("=" * 40)
print("\n")
event_id = params['Event']
self.set_api = event_id
if event_id in ql.loader.events:
ql.loader.events[event_id]['Guid'] = params["Protocol"]
# let's force notify
event = ql.loader.events[event_id]
event["Set"] = True
ql.loader.notify_list.append(
(event_id, event['NotifyFunction'], event['CallbackArgs']))
execute_protocol_notifications(ql, True)
######
return EFI_SUCCESS
return EFI_INVALID_PARAMETER
def force_notify_RegisterProtocolNotify(ql: Qiling, address: int, params):
ql.log.info(f'[force_notify] address = {address:#x}, params = {params}')
self.ck.visited_oncall = True
event_id = params['Event']
if event_id in ql.loader.events:
event = ql.loader.events[event_id]
# let's force notify
event["Set"] = False
utils.signal_event(ql, event_id)
utils.execute_protocol_notifications(ql, True)
return EFI_SUCCESS
return EFI_INVALID_PARAMETER
def notify_protocol(self, handle, protocol, interface, from_hook): for (event_id, event_dic) in self.ql.loader.events.items(): if event_dic['Guid'] == protocol: if event_dic['CallbackArgs'] == None: # To support smm notification, we use None for CallbackArgs on SmmRegisterProtocolNotify # and updare it here. guid = str_to_guid(protocol) guid_ptr = self.heap.alloc(guid.sizeof()) guid.saveTo(self.ql, guid_ptr) event_dic['CallbackArgs'] = [guid_ptr, interface, handle] # The event was previously registered by 'RegisterProtocolNotify'. signal_event(self.ql, event_id) return execute_protocol_notifications(self.ql, from_hook)
