def test_machinedatablock(): ops = [] class FakeMemMgr: _addr = 1597 def open_malloc(self, minsize): result = (self._addr, self._addr + 100) ops.append(('malloc', minsize) + result) self._addr += 200 return result def open_free(self, frm, to): ops.append(('free', frm, to)) return to - frm >= 8 # allblocks = [] md = MachineDataBlockWrapper(FakeMemMgr(), allblocks) p = md.malloc_aligned(26, 16) assert p == 1600 assert ops == [('malloc', 26 + 15, 1597, 1697)] del ops[:] # p = md.malloc_aligned(26, 16) assert p == 1632 p = md.malloc_aligned(26, 16) assert p == 1664 assert allblocks == [] assert ops == [] # p = md.malloc_aligned(27, 16) assert p == 1808 assert allblocks == [(1597, 1697)] assert ops == [('free', 1690, 1697), ('malloc', 27 + 15, 1797, 1897)] del ops[:] # md.done() assert allblocks == [(1597, 1697), (1797, 1835)] assert ops == [('free', 1835, 1897)]
def setup_once_vector(self): if IS_BIG_ENDIAN: # 2x 64 bit signed integer(1) BE data = (b'\x00' * 7 + b'\x01') * 2 else: # 2x 64 bit signed integer(1) LE data = (b'\x01' + b'\x00' * 7) * 2 datablockwrapper = MachineDataBlockWrapper(self.cpu.asmmemmgr, []) mem = datablockwrapper.malloc_aligned(len(data), alignment=16) datablockwrapper.done() addr = rffi.cast(rffi.CArrayPtr(lltype.Char), mem) for i in range(len(data)): addr[i] = data[i] self.VEC_DOUBLE_WORD_ONES = mem
def setup_once_vector(self): if IS_BIG_ENDIAN: # 2x 64 bit signed integer(1) BE data = (b'\x00' * 7 + b'\x01') * 2 else: # 2x 64 bit signed integer(1) LE data = (b'\x01' + b'\x00' * 7) * 2 datablockwrapper = MachineDataBlockWrapper(self.cpu.asmmemmgr, []) mem = datablockwrapper.malloc_aligned(len(data), alignment=16) datablockwrapper.done() addr = rffi.cast(rffi.CArrayPtr(lltype.Char), mem) for i in range(len(data)): addr[i] = data[i] self.VEC_DOUBLE_WORD_ONES = mem
def test_machinedatablock(): ops = [] class FakeMemMgr: _addr = 1597 def open_malloc(self, minsize): result = (self._addr, self._addr + 100) ops.append(('malloc', minsize) + result) self._addr += 200 return result def open_free(self, frm, to): ops.append(('free', frm, to)) return to - frm >= 8 # allblocks = [] md = MachineDataBlockWrapper(FakeMemMgr(), allblocks) p = md.malloc_aligned(26, 16) assert p == 1600 assert ops == [('malloc', 26 + 15, 1597, 1697)] del ops[:] # p = md.malloc_aligned(26, 16) assert p == 1632 p = md.malloc_aligned(26, 16) assert p == 1664 assert allblocks == [] assert ops == [] # p = md.malloc_aligned(27, 16) assert p == 1808 assert allblocks == [(1597, 1697)] assert ops == [('free', 1690, 1697), ('malloc', 27 + 15, 1797, 1897)] del ops[:] # md.done() assert allblocks == [(1597, 1697), (1797, 1835)] assert ops == [('free', 1835, 1897)]