def write_physical_mem( self, phys_address, length, buf, bytewise=False ):
if bytewise :
width = 1
else :
width = 8
ptr = 0
format = {1: 'B', 2: 'H', 4: 'L', 8:'Q'}
while width >= 1 :
while (length - ptr) >= width :
v = struct.unpack_from(format[width], buf, ptr)
self.base.threads[self.find_thread()].mem(itpii.Address((phys_address + ptr),itpii.AddressType.physical), width, v[0])
ptr += width
width = width / 2
return
def read_physical_mem( self, phys_address, length, bytewise=False ):
if bytewise :
width = 1
else :
width = 8
out_buf = (c_char * length)()
ptr = 0
format = {1: 'B', 2: 'H', 4: 'L', 8:'Q'}
while width >= 1 :
while (length - ptr) >= width :
v = self.base.threads[self.find_thread()].mem(itpii.Address((phys_address + ptr),itpii.AddressType.physical), width)
struct.pack_into(format[width], out_buf, ptr, v.ToUInt64())
ptr += width
width = width / 2
return ''.join(out_buf)
def write_physical_mem(self, phys_address, length, buf, bytewise=False):
# write memory in largest chunks possible unless bytewise is set
if bytewise:
width = 1
else:
# do we need to handle systems that don't support quad-word memory accesses?
width = 8
ptr = 0
format = {1: 'B', 2: 'H', 4: 'L', 8: 'Q'}
while width >= 1:
while (length - ptr) >= width:
v = struct.unpack_from(format[width], buf, ptr)
#print "Writing", width, "bytes (", hex(v[0]), ") to", hex(phys_address + ptr)
self.base.threads[self.find_thread()].mem(
itpii.Address((phys_address + ptr),
itpii.AddressType.physical), width, v[0])
ptr += width
width = width / 2
return
def read_physical_mem(self, phys_address, length, bytewise=False):
# read memory in largest chunks possible unless bytewise is set
if bytewise:
width = 1
else:
# do we need to handle systems that don't support quad-word memory accesses?
width = 8
out_buf = (c_char * length)()
ptr = 0
format = {1: 'B', 2: 'H', 4: 'L', 8: 'Q'}
while width >= 1:
while (length - ptr) >= width:
#print "Reading", width, "bytes from", hex(phys_address + ptr)
v = self.base.threads[self.find_thread()].mem(
itpii.Address((phys_address + ptr),
itpii.AddressType.physical), width)
struct.pack_into(format[width], out_buf, ptr, v.ToUInt64())
ptr += width
width = width / 2
return ''.join(out_buf)
