lcfOS: python/target/armtoken.py comparison

Test featurebranch

comparison

equal deleted inserted replaced

-:6ee17c4dd6b8
+:c7cc54c0dfdf
+def val2bit(v, bits):
+b = []
+for i in range(bits):
+b.append(bool((1<<i) & v))
+#b.reverse()
+return b
+def bit_range(b, e):
+getter = lambda s: s[b:e]
+def setter(s, v):
+s[b:e] = v
+return property(getter, setter)
+class ThumbToken:
+def __init__(self):
+self.bit_value = 0
+def set_bit(self, i, value):
+value = bool(value)
+assert i in range(0, 16)
+mask = 1 << i
+if value:
+self.bit_value |= mask
+else:
+self.bit_value &= (~mask)
+def __getitem__(self, key):
+return False
+def __setitem__(self, key, value):
+if type(key) is int:
+self.set_bit(key, value)
+elif type(key) is slice:
+assert key.step is None
+bits = key.stop - key.start
+value_bits = val2bit(value, bits)
+for i in range(key.start, key.stop):
+self.set_bit(i, value_bits[i - key.start])
+else:
+raise KeyError()
+rd = bit_range(0, 3)
+def encode(self):
+return u16(self.bit_value)
+class ArmToken:
+pass

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