def init_state(self, instructions, **args):
"""Load the program into a memory object.
This function should ONLY be called by unit tests.
"""
mem = new_memory()
written_so_far = 0
for i, (data, width) in enumerate(instructions):
num_bytes = width / 8
mem.write(RESET_ADDR + written_so_far, num_bytes, data)
written_so_far += num_bytes
self.state = new_state(mem=mem, debug=self.debug, **args)
self.max_insts = len(instructions)
def new_state(mem=None, debug=Debug(), **args):
if mem is None:
mem = new_memory()
state = State(mem, debug)
for attr in possible_attributes:
if attr in args:
setattr(state, attr, args[attr])
for arg, value in args.items():
if arg in possible_attributes:
continue
elif arg.startswith("rf") and arg[2].isdigit():
index = int(arg[2:])
if index >= 107:
raise ValueError("The Epiphany only has 107 registers cannot set rf[%d]." %
index)
state.set_register(index, value)
elif arg.startswith("rf") and arg[2:] in reg_map:
state.set_register(reg_map[arg[2:]], value)
else:
raise KeyError('No such register: {0}'.format(arg[2:]))
return state
