def execute(wb):
depth = wb.mems.payload.size // 4 # bytes to 32-bit instructions
program = [w for w in PAYLOAD]
program += [0] * (wb.mems.payload.size // 4 - len(program)
) # fill with NOOPs
# Write some data to the column we are reading to check that scratchpad gets filled
converter = DRAMAddressConverter.load()
data = list(itertools.islice(word_gen(3), 128))
memwrite(wb, data, base=converter.encode_bus(bank=0, row=100, col=200))
print('\nTransferring the payload ...')
memwrite(wb, program, base=wb.mems.payload.base)
def ready():
status = wb.regs.payload_executor_status.read()
return (status & 1) != 0
print('\nExecuting ...')
assert ready()
wb.regs.payload_executor_start.write(1)
while not ready():
time.sleep(0.001)
print('Finished')
print('\nScratchpad contents:')
scratchpad = memread(wb, n=512 // 4, base=wb.mems.scratchpad.base)
memdump(scratchpad, base=0)
def runner():
if profile:
cProfile.runctx(command, {}, ctx, fname)
else:
if is_write:
memwrite(wb, datas, burst=burst)
else:
x = len(memread(wb, n, burst=burst))
def runner():
if profile:
cProfile.runctx(command, {}, ctx, fname)
else:
if rw == 'memread':
x = len(memread(wb, n, burst=burst))
print(x)
else:
memwrite(wb, datas, burst=burst)
#!/usr/bin/env python3
from rowhammer_tester.scripts.utils import RemoteClient, memread
if __name__ == "__main__":
wb = RemoteClient()
wb.open()
# Maximal identification info size is 256
buildinfo = memread(wb, 256, wb.bases.identifier_mem)
# Info is stored as a \0 terminated string
# truncate it
string_term_idx = buildinfo.index(0)
buildinfo = buildinfo[:string_term_idx]
# Map int values to ASCII characters
print(''.join(map(chr, buildinfo)))
wb.close()