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