async def _get_serial(self):
ports = []
for devices in devinfo.DevInfo().resource_managers['I/O ports'].values():
for dev in devices:
if not dev.name.startswith('uart'):
continue
ports.append({
'name': dev.name,
'description': dev.desc,
'drivername': dev.drivername,
'location': dev.location,
'start': hex(dev.start),
'size': dev.size
})
return ports
def generate_device_hints(context, current, config):
output = re.sub(r'.*uart.*flags="0x10"\n', '', current.strip('\n'))
dinfo = devinfo.DevInfo()
uart = None
for name, ports in dinfo.resource_managers['I/O ports'].items():
if not name.startswith('uart'):
continue
for port in ports:
if config['serial_port'] == hex(port.start):
uart = port
break
if uart is None:
context.logger.warn('uart number not found for %s',
config['serial_port'])
return current
unit = re.sub(r'[a-z]', '', uart.name)
irq = dinfo.resource_managers['Interrupt request lines'].get(uart.name)
if irq is None:
context.logger.warn('irq not found for %s', config['serial_port'])
return current
irq = irq[0].start
output = re.sub(r'hint\.uart\.%s.*\n' % unit, '', output)
output += '''
hint.uart.{0}.at="isa"
hint.uart.{0}.port="{1}"
hint.uart.{0}.flags="0x10"
hint.uart.{0}.irq="{2}"
hint.uart.{0}.baud="{3}"
'''.format(unit, config['serial_port'], irq, config['serial_speed'])
return output