def test_pgt_target_as(self):
meth = addrxlat.PageTableMethod(addrxlat.MACHPHYSADDR)
self.assertEqual(meth.kind, addrxlat.PGT)
self.assertEqual(meth.target_as, addrxlat.MACHPHYSADDR)
self.assertIs(meth.root, None)
self.assertEqual(meth.pte_format, addrxlat.PTE_NONE)
self.assertEqual(meth.fields, tuple())
def test_pgt_root(self):
root = addrxlat.FullAddress(addrxlat.MACHPHYSADDR, 0x1000)
meth = addrxlat.PageTableMethod(root=root)
self.assertEqual(meth.kind, addrxlat.PGT)
self.assertEqual(meth.target_as, addrxlat.NOADDR)
self.assertEqual(meth.root, root)
self.assertEqual(meth.pte_format, addrxlat.PTE_NONE)
self.assertEqual(meth.fields, tuple())
def test_pgt_fields(self):
meth = addrxlat.PageTableMethod(fields=(1, 2, 3))
self.assertEqual(meth.kind, addrxlat.PGT)
self.assertEqual(meth.target_as, addrxlat.NOADDR)
self.assertIs(meth.root, None)
self.assertEqual(meth.pte_format, addrxlat.PTE_NONE)
self.assertEqual(meth.fields, (1, 2, 3))
meth.fields = (4, 5, 6)
self.assertEqual(meth.fields, (4, 5, 6))
with self.assertRaisesRegexp(TypeError, 'not a sequence'):
meth.fields = None
with self.assertRaisesRegexp(ValueError,
'more than [0-9]+ address fields'):
meth.fields = (0, ) * (addrxlat.FIELDS_MAX + 1)
def test_step_raw(self):
step = addrxlat.Step(self.ctx)
with self.assertRaisesRegexp(TypeError, 'cannot be changed'):
step.raw = 0xabcd
meth = addrxlat.PageTableMethod()
step.meth = meth
step.raw = 0xabcd
self.assertIs(step.ctx, self.ctx)
self.assertIs(step.sys, None)
self.assertIs(step.meth, meth)
self.assertEqual(step.remain, 0)
self.assertEqual(step.elemsz, 0)
self.assertIs(step.base, None)
self.assertEqual(step.raw, 0xabcd)
idx = (0, ) * (addrxlat.FIELDS_MAX + 1)
self.assertEqual(step.idx, idx)
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_pgt_readonly_kind(self):
meth = addrxlat.PageTableMethod()
with self.assertRaises(AttributeError):
meth.kind = addrxlat.NOMETH
