def test_sys_defaults(self):
sys = addrxlat.System()
for i in xrange(addrxlat.SYS_MAP_NUM):
map = sys.get_map(i)
self.assertIs(map, None)
for i in xrange(addrxlat.SYS_METH_NUM):
meth = sys.get_meth(i)
self.assertEquals(meth.kind, addrxlat.NOMETH)
def test_customdesc_extmod_conv(self):
sys = addrxlat.System()
map = addrxlat.Map()
sys.set_meth(addrxlat.SYS_METH_CUSTOM, self.meth_extmod)
map.set(0, addrxlat.Range(0xffff, addrxlat.SYS_METH_CUSTOM))
sys.set_map(addrxlat.SYS_MAP_KV_PHYS, map)
addr = addrxlat.FullAddress(addrxlat.KVADDR, 0x2345)
addr.conv(addrxlat.KPHYSADDR, self.ctx, sys)
self.assertEqual(addr.addrspace, addrxlat.KPHYSADDR)
self.assertEqual(addr.addr, 0x123456 + 0x4523)
def test_step_sys(self):
sys = addrxlat.System()
step = addrxlat.Step(self.ctx, sys=sys)
self.assertIs(step.ctx, self.ctx)
self.assertIs(step.sys, sys)
self.assertIs(step.meth, None)
self.assertEqual(step.remain, 0)
self.assertEqual(step.elemsz, 0)
self.assertIs(step.base, None)
self.assertIs(step.raw, None)
idx = (0, ) * (addrxlat.FIELDS_MAX + 1)
self.assertEqual(step.idx, idx)
def test_sys_meth(self):
sys = addrxlat.System()
newdesc = addrxlat.LinearMethod(0)
for i in xrange(addrxlat.SYS_MAP_NUM):
map = sys.get_map(i)
self.assertIs(map, None)
for methidx in xrange(addrxlat.SYS_METH_NUM):
sys.set_meth(methidx, newdesc)
for i in xrange(methidx):
meth = sys.get_meth(i)
self.assertEqual(meth, newdesc)
for i in xrange(methidx + 1, addrxlat.SYS_METH_NUM):
meth = sys.get_meth(i)
self.assertEquals(meth.kind, addrxlat.NOMETH)
def test_sys_map(self):
sys = addrxlat.System()
newmap = addrxlat.Map()
for mapidx in xrange(addrxlat.SYS_MAP_NUM):
sys.set_map(mapidx, newmap)
for i in xrange(mapidx + 1):
map = sys.get_map(i)
self.assertEqual(map, newmap)
for i in xrange(mapidx + 1, addrxlat.SYS_MAP_NUM):
map = sys.get_map(i)
self.assertIs(map, None)
for i in xrange(addrxlat.SYS_METH_NUM):
meth = sys.get_meth(i)
self.assertEquals(meth.kind, addrxlat.NOMETH)
def __init__(self) -> None:
try:
target = crash.current_target()
self.context = target.kdump.get_addrxlat_ctx()
self.system = target.kdump.get_addrxlat_sys()
except AttributeError:
self.context = TranslationContext()
self.system = addrxlat.System()
self.system.os_init(self.context,
arch=utsname.machine,
type=addrxlat.OS_LINUX)
self.is_non_auto = False
xlatmap = self.system.get_map(addrxlat.SYS_MAP_MACHPHYS_KPHYS)
for addr_range in xlatmap:
if addr_range.meth == addrxlat.SYS_METH_NONE:
continue
meth = self.system.get_meth(addr_range.meth)
if meth.kind != addrxlat.LINEAR or meth.off != 0:
self.is_non_auto = True
break
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_op_sys(self):
sys = addrxlat.System()
op = addrxlat.Operator(self.ctx, sys=sys)
self.assertIs(op.ctx, self.ctx)
self.assertEqual(op.sys, sys)
self.assertEqual(op.caps, 0)
def get_addrxlat_sys(self):
return addrxlat.System()
