def getTransactions(self):
transactions = AhbLite3TraficGenerator.getTransactions(self)
for trans in transactions:
if trans.HTRANS >= 2:
write = trans.HWRITE
size = 1 << trans.HSIZE
address = trans.HADDR
addressOffset = address % (self.dataWidth / 8)
if write == 1:
for idx in range(size):
self.ram[address + idx] = (trans.HWDATA >> (8*(addressOffset + idx))) & 0xFF
# cocotb.log.info("WRITE %x %x" % (address + idx, (trans.HWDATA >> (8*(addressOffset + idx))) & 0xFF))
else:
data = 0
for idx in xrange(size):
data |= self.ram[address + idx] << (8*(addressOffset + idx))
self.readBuffer.put(data)
# cocotb.log.info("READ %x %x" % (trans.HADDR,data))
return transactions
def __init__(self, addressWidth, dataWidth, readBuffer, id):
AhbLite3TraficGenerator.__init__(self, addressWidth, dataWidth)
self.ram = bytearray(b'\x00' * (1 << addressWidth))
self.readBuffer = readBuffer
self.id = id
def genRandomAddress(self):
while True:
value = AhbLite3TraficGenerator.genRandomAddress(self)
if (value >> 10) != self.id and ((value >> 8) & 0x3) == self.id:
return value
def __init__(self, addressWidth, dataWidth,readBuffer):
AhbLite3TraficGenerator.__init__(self, addressWidth, dataWidth)
self.ram = bytearray(b'\x00' * (1 << addressWidth))
self.readBuffer = readBuffer
def genRandomAddress(self):
while True:
value = AhbLite3TraficGenerator.genRandomAddress(self)
if (value >> 10) != self.id and ((value >> 8) & 0x3) == self.id:
return value