def _add_submodule(self, name, Module, offset):
module = None
path = self.path / name
if path.exists():
uio = Uio(path, parent=self)
assert uio.region().address == self.region().address + offset
module = uio.map(Module)
module._uio = uio
module.irq.uio = uio
setattr(self, name, module)
if module is None:
# fallback, mainly for debugging:
module = self.map(Module, offset)
setattr(self, '_' + name, module)
("pending", src_t), #r-
]
class FaultCombiner(ctypes.Structure):
_anonymous_ = ["app"]
_fields_ = [
("component", ComponentID), # vendor 1 type 0x37
("app", FlagOutput),
("debug", FlagOutput),
]
# L3 target agents are capable of logging faults and optionally asserting an
# irq. Faults resulting from debug (JTAG) requests are separated from those
# resulting from non-debug (aka "application") requests. Each target agent
# therefore has two fault irq outputs, and the faultcombiners retain this
# separation. The device tree snippet arranges for the "app fault" output of
# the top-level faultcombiner to be deliverable as irq to userspace.
#
fc_top = l3_sn.region("l3f").map(FaultCombiner, 0x1100)
fc_l3f = l3_sn.region("l3f").map(FaultCombiner, 0x1000)
fc_l3s = l3_sn.region("l3s").map(FaultCombiner, 0x600)
for i in fc_top, fc_l3s, fc_l3f:
assert i.component.vendor == 1
assert i.component.type == 0x37
i.enabled = 0xffffffff # enable all inputs
n = i.enabled.bit_length() # check how many we actually got
print('inputs: ' + format(i.pending, '0{0}b'.format(n)))
("enabled", src_t), #rw
("pending", src_t), #r-
]
class FaultCombiner( ctypes.Structure ):
_anonymous_ = ["app"]
_fields_ = [
("component", ComponentID), # vendor 1 type 0x37
("app", FlagOutput),
("debug", FlagOutput),
]
# L3 target agents are capable of logging faults and optionally asserting an
# irq. Faults resulting from debug (JTAG) requests are separated from those
# resulting from non-debug (aka "application") requests. Each target agent
# therefore has two fault irq outputs, and the faultcombiners retain this
# separation. The device tree snippet arranges for the "app fault" output of
# the top-level faultcombiner to be deliverable as irq to userspace.
#
fc_top = l3_sn.region( "l3f" ).map( FaultCombiner, 0x1100 )
fc_l3f = l3_sn.region( "l3f" ).map( FaultCombiner, 0x1000 )
fc_l3s = l3_sn.region( "l3s" ).map( FaultCombiner, 0x600 )
for i in fc_top, fc_l3s, fc_l3f:
assert i.component.vendor == 1
assert i.component.type == 0x37
i.enabled = 0xffffffff # enable all inputs
n = i.enabled.bit_length() # check how many we actually got
print( 'inputs: ' + format( i.pending, '0{0}b'.format(n) ) )