for before in xrange(offset, index + 1):
v = region[before]
if not (v == 0xff):
self.reporting.report_bad_memory(
physaddr + before - offset, 0xff, v)
error_offset = before
for after in xrange(index + 1, last_element):
v = region[after]
if not (v == 0x00):
self.reporting.report_bad_memory(physaddr + after - offset,
0x00, v)
error_offset = after
# Test all ZEROes - second reset
for index in xrange(offset, last_element):
region[index] = 0
for index in xrange(offset, last_element):
v = region[index]
if not (v == 0):
self.reporting.report_bad_memory(physaddr + index - offset, 0,
v)
error_offset = index
return error_offset
ScannerBaseclass.register(QuadraticScanner)
return error_offsets
return type(
clsname, (ScannerBaseclass, ), {
'name': staticmethod(name),
'shortname': staticmethod(shortname),
'test': test
})
Memtest86AddressBits = build_class(
"Memtest86AddressBits",
"Memtest86+ #0: Address test, walking ones",
"xmt86-addressbits", # renamed because it needs a really large memory block
memtest86pcext.address_bits)
ScannerBaseclass.register(Memtest86AddressBits)
Memtest86AddressOwn = build_class("Memtest86AddressOwn",
"Memtest86+ #1: Address test, own address",
"mt86-addressown",
memtest86pcext.address_own)
ScannerBaseclass.register(Memtest86AddressOwn)
Memtest86MovingInvOnesZeros = build_class(
"Memtest86MovingInvOnesZeros",
"Memtest86+ #2: Moving inversions, ones & zeros", "mt86-mvinv10",
memtest86pcext.mv_inv_onezeros)
ScannerBaseclass.register(Memtest86MovingInvOnesZeros)
Memtest86MovingInv8Bit = build_class(
"Memtest86MovingInv8Bit",
'''
self.reporting = reporting
@staticmethod
def name():
return "Linear time test (CExt)"
@staticmethod
def shortname():
return "linear-cext"
def test_single(self, region, offset, physaddr):
"""
- region supports __getitem(x)__ and __setitem(x,b)__, with b being casted to a byte
- offset is the first byte tested, The bytes region[offset..offset+PAGE_SIZE-1] are tested
return: None if page ok, offset of an error if test failed
"""
error_offset = None
ret = memtestcext.lineartest(region.get_mmap(), offset, physmem.PAGE_SIZE)
# TODO: do proper reporting
if ret >= 0:
self.reporting.report_bad_memory(physaddr + ret, 0x55, 0xaa)
error_offset = offset + ret
return error_offset
ScannerBaseclass.register(LinearCExtScanner)
frame = item/physmem.PAGE_SIZE
self.reporting.report_bad_memory(physaddr[frame] + item % physmem.PAGE_SIZE, 0x55, 0xaa)
return error_offsets
return type(clsname, (ScannerBaseclass,), {
'name': staticmethod(name),
'shortname': staticmethod(shortname),
'test': test
})
Memtest86AddressBits = build_class("Memtest86AddressBits",
"Memtest86+ #0: Address test, walking ones",
"xmt86-addressbits", # renamed because it needs a really large memory block
memtest86pcext.address_bits)
ScannerBaseclass.register(Memtest86AddressBits)
Memtest86AddressOwn = build_class("Memtest86AddressOwn",
"Memtest86+ #1: Address test, own address",
"mt86-addressown",
memtest86pcext.address_own)
ScannerBaseclass.register(Memtest86AddressOwn)
Memtest86MovingInvOnesZeros = build_class("Memtest86MovingInvOnesZeros",
"Memtest86+ #2: Moving inversions, ones & zeros",
"mt86-mvinv10",
memtest86pcext.mv_inv_onezeros)
ScannerBaseclass.register(Memtest86MovingInvOnesZeros)
Memtest86MovingInv8Bit = build_class("Memtest86MovingInv8Bit",
"Memtest86+ #3: Moving inversions, 8 bit pattern",
# Test all ONEs -- quadratic runtime (linear number of writes, quadratic number of reads)
for index in xrange(offset, last_element):
region[index] = 0xff
for before in xrange(offset, index + 1):
v = region[before]
if not (v == 0xff):
self.reporting.report_bad_memory(physaddr + before - offset, 0xff, v)
error_offset = before
for after in xrange( index + 1, last_element):
v = region[after]
if not (v == 0x00):
self.reporting.report_bad_memory(physaddr + after - offset, 0x00, v)
error_offset = after
# Test all ZEROes - second reset
for index in xrange(offset, last_element):
region[index] = 0
for index in xrange(offset, last_element):
v = region[index]
if not (v == 0):
self.reporting.report_bad_memory(physaddr + index - offset, 0, v)
error_offset = index
return error_offset
ScannerBaseclass.register(QuadraticScanner)