def test_lookup_tbl(self):
meth = addrxlat.LookupMethod(tbl=((0, 100), (200, 300)))
self.assertEqual(meth.kind, addrxlat.LOOKUP)
self.assertEqual(meth.target_as, addrxlat.NOADDR)
self.assertEqual(meth.endoff, 0)
self.assertEqual(meth.tbl, ((0, 100), (200, 300)))
with self.assertRaisesRegexp(TypeError, 'not a sequence'):
meth.tbl = None
with self.assertRaisesRegexp(TypeError, 'not a sequence'):
meth.tbl = (None, )
with self.assertRaisesRegexp(TypeError, 'not a sequence'):
meth.tbl = 1
with self.assertRaisesRegexp(TypeError, 'not a sequence'):
meth.tbl = (1, )
with self.assertRaisesRegexp(ValueError, 'must be integer pairs'):
meth.tbl = ((), )
with self.assertRaisesRegexp(ValueError, 'must be integer pairs'):
meth.tbl = ((1, ), )
with self.assertRaisesRegexp(ValueError, 'must be integer pairs'):
meth.tbl = ((1, 2, 3), )
with self.assertRaisesRegexp(TypeError, 'must be.* a number'):
meth.tbl = ((None, None), )
with self.assertRaisesRegexp(TypeError, 'must be.* a number'):
meth.tbl = ((1, None), )
with self.assertRaisesRegexp(TypeError, 'must be.* a number'):
meth.tbl = ((None, 1), )
def setUp(self):
def read32(addr):
# Page table level 2 @ 0
if addr.addr == 0x10000:
return 0x101
# Page table level 1 @ 0x65
if addr.addr == 0x10100 + 0x65 * 4:
return 0x1c0
# Page table level 1 @ 0x41
if addr.addr == 0x10100 + 0x41 * 4:
return 0x1a9
# Memory array at 0x40
if addr.addr == 0x11000 + 0x40 * 4:
return 0xaa
self.ctx = addrxlat.Context()
self.ctx.read_caps = addrxlat.CAPS(addrxlat.MACHPHYSADDR)
self.ctx.cb_read32 = read32
self.sys = addrxlat.System()
map = addrxlat.Map()
self.sys.set_map(addrxlat.SYS_MAP_HW, map)
meth = addrxlat.PageTableMethod(addrxlat.MACHPHYSADDR)
meth.root = addrxlat.FullAddress(addrxlat.MACHPHYSADDR, 0x10000)
meth.pte_format = addrxlat.PTE_PFN32
meth.fields = (8, 8, 8)
self.sys.set_meth(addrxlat.SYS_METH_PGT, meth)
map.set(0, addrxlat.Range(0xffff, addrxlat.SYS_METH_PGT))
map = addrxlat.Map()
self.sys.set_map(addrxlat.SYS_MAP_KV_PHYS, map)
meth = addrxlat.LinearMethod(addrxlat.KPHYSADDR, 0x1000)
self.sys.set_meth(addrxlat.SYS_METH_DIRECT, meth)
map.set(0, addrxlat.Range(0x1fff, addrxlat.SYS_METH_DIRECT))
meth = addrxlat.LookupMethod(addrxlat.KPHYSADDR)
meth.endoff = 0xff
meth.tbl = ((0x2000, 0xfa00), (0x3000, 0xfb00), (0x3100, 0xff00))
self.sys.set_meth(addrxlat.SYS_METH_CUSTOM, meth)
map.set(0x2000, addrxlat.Range(0x1fff, addrxlat.SYS_METH_CUSTOM))
meth = addrxlat.MemoryArrayMethod(addrxlat.KPHYSADDR)
meth.base = addrxlat.FullAddress(addrxlat.KVADDR, 0)
meth.shift = 8
meth.elemsz = 4
meth.valsz = 4
self.sys.set_meth(addrxlat.SYS_METH_CUSTOM + 1, meth)
map.set(0x4000, addrxlat.Range(0x1fff, addrxlat.SYS_METH_CUSTOM + 1))
map.set(0x6000, addrxlat.Range(0x9fff, addrxlat.SYS_METH_PGT))
map = addrxlat.Map()
self.sys.set_map(addrxlat.SYS_MAP_KPHYS_DIRECT, map)
meth = addrxlat.LinearMethod(addrxlat.KVADDR, -0x1000)
self.sys.set_meth(addrxlat.SYS_METH_RDIRECT, meth)
map.set(0x1000, addrxlat.Range(0x1fff, addrxlat.SYS_METH_RDIRECT))
map = addrxlat.Map()
self.sys.set_map(addrxlat.SYS_MAP_MACHPHYS_KPHYS, map)
meth = addrxlat.LinearMethod(addrxlat.KPHYSADDR, -0x10000)
self.sys.set_meth(addrxlat.SYS_METH_MACHPHYS_KPHYS, meth)
map.set(0x10000,
addrxlat.Range(0xffff, addrxlat.SYS_METH_MACHPHYS_KPHYS))
map = addrxlat.Map()
self.sys.set_map(addrxlat.SYS_MAP_KPHYS_MACHPHYS, map)
meth = addrxlat.LinearMethod(addrxlat.MACHPHYSADDR, 0x10000)
self.sys.set_meth(addrxlat.SYS_METH_KPHYS_MACHPHYS, meth)
map.set(0, addrxlat.Range(0xffff, addrxlat.SYS_METH_KPHYS_MACHPHYS))
def test_lookup_endoff(self):
meth = addrxlat.LookupMethod(endoff=0x1234)
self.assertEqual(meth.kind, addrxlat.LOOKUP)
self.assertEqual(meth.target_as, addrxlat.NOADDR)
self.assertEqual(meth.endoff, 0x1234)
self.assertEqual(meth.tbl, tuple())
def test_lookup_target_as(self):
meth = addrxlat.LookupMethod(addrxlat.MACHPHYSADDR)
self.assertEqual(meth.kind, addrxlat.LOOKUP)
self.assertEqual(meth.target_as, addrxlat.MACHPHYSADDR)
self.assertEqual(meth.endoff, 0)
self.assertEqual(meth.tbl, tuple())
def test_lookup_readonly_kind(self):
meth = addrxlat.LookupMethod()
with self.assertRaises(AttributeError):
meth.kind = addrxlat.NOMETH
def test_lookup_defaults(self):
meth = addrxlat.LookupMethod()
self.assertEqual(meth.kind, addrxlat.LOOKUP)
self.assertEqual(meth.target_as, addrxlat.NOADDR)
self.assertEqual(meth.endoff, 0)
self.assertEqual(meth.tbl, tuple())
