def genRxData(self):
while self.getPhase() != PHASE_SIM:
yield None
for i in range(2):
trans = Transaction()
trans.last = 0
trans.fragment = 0x55
trans.nextDelay = 4
yield trans
trans = Transaction()
trans.last = 1
trans.fragment = 0x66
trans.nextDelay = 10
yield trans
trans = Transaction()
trans.last = 1
trans.fragment = 0x11
trans.nextDelay = 0
yield trans
trans = Transaction()
trans.last = 1
trans.fragment = 0x11
yield trans
while True:
yield None
def __init__(self,name,parent,dut):
Infrastructure.__init__(self,name,parent)
self.txCmdScordboard = ScorboardInOrder("txCmdScordboard",self)
self.txDataScordboard = ScorboardInOrder("txDataScordboard",self)
StreamMonitor(Stream(dut,"io_tx_cmd"), self.txCmdScordboard.uutPush, dut.clk, dut.reset)
StreamMonitor(Stream(dut, "io_tx_data"), self.txDataScordboard.uutPush, dut.clk, dut.reset)
cmd = Transaction()
cmd.ip = 0x33445566
cmd.dstPort = 0x3456
cmd.srcPort = 37984
cmd.length = 1+8
self.txCmdScordboard.refPush(cmd)
cmd = Transaction()
cmd.ip = 0x44556677
cmd.dstPort = 0x4567
cmd.srcPort = 37984
cmd.length = 1+8
self.txCmdScordboard.refPush(cmd)
for i in range(2):
data = Transaction()
data.fragment = 0x22
data.last = 0
self.txDataScordboard.refPush(data)
message = "test1234"
for f in range(len(message)):
data = Transaction()
data.fragment = ord(message[f])
data.last = (f == len(message)-1)
self.txDataScordboard.refPush(data)
def onWriteCmd(self,cmd):
for i in range(cmd.len + 1):
writeData = Transaction()
writeData.data = cmd.addr + i
writeData.strb = (cmd.addr + i) & 0xF
writeData.last = 1 if i == cmd.len else 0
self.dataScoreboard.refPush(writeData)
def onWriteCmd(self,cmd):
for i in xrange(cmd.len + 1):
writeData = Transaction()
writeData.data = cmd.addr + i
writeData.strb = (cmd.addr + i) & 0xF
writeData.last = 1 if i == cmd.len else 0
self.dataScoreboard.refPush(writeData)
def onReadCmd(self,trans):
if trans.addr < self.base or trans.addr >= self.base + self.size:
raise TestFailure("WRONG ADDRESS addr=%d base=%d size=%d" %(trans.addr,self.base,self.size))
for i in xrange(trans.len+1):
rsp = Transaction()
rsp.data = trans.addr + i
rsp.resp = 0
rsp.hid = trans.hid
if i == trans.len:
rsp.last = 1
else:
rsp.last = 0
queue = self.readRspQueues[trans.hid]
if queue.empty():
self.nonEmptyReadRspQueues.append(queue)
queue.put(rsp)
def genWrite(self):
idOffset = randBits(2)
writeCmd = Transaction()
writeCmd.addr = self.genRandomAddress()
if random.random() < 0.1: # Random assertion of decoding error
writeCmd.addr = 1 << 12
writeCmd.hid = self.hid * 4 + idOffset #Each master can use 4 id
writeCmd.region = randBits(4)
writeCmd.len = randBits(4)
writeCmd.size = randBits(3)
writeCmd.burst = randBits(2)
writeCmd.lock = randBits(1)
writeCmd.cache = randBits(4)
writeCmd.qos = randBits(4)
writeCmd.prot = randBits(3)
self.writeCmdQueue.put(writeCmd)
writeCmd.linkedDatas = []
for i in range(writeCmd.len + 1):
writeData = Transaction()
writeData.data = randBits(32)
writeData.strb = randBits(4)
writeData.last = 1 if i == writeCmd.len else 0
self.writeDataQueue.put(writeData)
writeCmd.linkedDatas.append(writeData)
self.idToWrites[writeCmd.hid].append(writeCmd)
def genReadRsp(self):
tasksQueue = self.getRandTaskList()
if tasksQueue:
if self.readRspIdleRand.get():
task = tasksQueue.queue[0]
trans = Transaction()
trans.data = task.addr + task.progress
trans.resp = 0
trans.hid = task.hid
task.progress += 1
if task.progress == task.len + 1:
trans.last = 1
tasksQueue.get()
else:
trans.last = 0
return trans
def onReadCmd(self, trans):
if trans.addr < self.base or trans.addr >= self.base + self.size:
raise TestFailure("WRONG ADDRESS addr=%d base=%d size=%d" %
(trans.addr, self.base, self.size))
for i in range(trans.len + 1):
rsp = Transaction()
rsp.data = trans.addr + i
rsp.resp = 0
rsp.hid = trans.hid
if i == trans.len:
rsp.last = 1
else:
rsp.last = 0
queue = self.readRspQueues[trans.hid]
if queue.empty():
self.nonEmptyReadRspQueues.append(queue)
queue.put(rsp)
def onReadCmd(self, cmd):
for i in xrange(cmd.len + 1):
rsp = Transaction()
rsp.hid = cmd.hid
if cmd.addr < (1 << 14):
rsp.data = cmd.addr + i
rsp.resp = 0
else:
rsp.data = 0
rsp.resp = 3
rsp.last = 1 if i == cmd.len else 0
self.readRspScoreboard.refPush(rsp, cmd.hid)
def onReadCmd(self,cmd):
for i in xrange(cmd.len + 1):
rsp = Transaction()
rsp.hid = cmd.hid
if cmd.addr < (1 << 14):
rsp.data = cmd.addr + i
rsp.resp = 0
else:
rsp.data = 0
rsp.resp = 3
rsp.last = 1 if i == cmd.len else 0
self.readRspScoreboard.refPush(rsp, cmd.hid)
def genWrite(self):
idOffset = randBits(2)
writeCmd = Transaction()
writeCmd.addr = self.genRandomWriteAddress()
writeCmd.hid = self.idBase + idOffset #Each master can use 4 id
writeCmd.region = randBits(4)
writeCmd.len = randBits(4)
writeCmd.size = randBits(3)
writeCmd.burst = randBits(2)
writeCmd.lock = randBits(1)
writeCmd.cache = randBits(4)
writeCmd.qos = randBits(4)
writeCmd.prot = randBits(3)
self.writeCmdQueue.put(writeCmd)
for i in xrange(writeCmd.len + 1):
writeData = Transaction()
writeData.data = writeCmd.addr + i
writeData.strb = (writeCmd.addr + i) & 0xF
writeData.last = 1 if i == writeCmd.len else 0
self.writeDataQueue.put(writeData)
def genWrite(self):
idOffset = randBits(2)
writeCmd = Transaction()
writeCmd.addr = self.genRandomWriteAddress()
writeCmd.hid = self.idBase + idOffset #Each master can use 4 id
writeCmd.region = randBits(4)
writeCmd.len = randBits(4)
writeCmd.size = randBits(3)
writeCmd.burst = randBits(2)
writeCmd.lock = randBits(1)
writeCmd.cache = randBits(4)
writeCmd.qos = randBits(4)
writeCmd.prot = randBits(3)
self.writeCmdQueue.put(writeCmd)
for i in range(writeCmd.len + 1):
writeData = Transaction()
writeData.data = writeCmd.addr + i
writeData.strb = (writeCmd.addr + i) & 0xF
writeData.last = 1 if i == writeCmd.len else 0
self.writeDataQueue.put(writeData)
def rxThread(self):
while True:
data, addr = self.sock.recvfrom(2048)
print "received message:", data, addr
cmdTrans = Transaction()
ipSplit = addr[0].split(".")
cmdTrans.ip = 0
for i in range(4):
cmdTrans.ip |= int(ipSplit[i]) << (i * 8)
cmdTrans.srcPort = addr[1]
cmdTrans.dstPort = SERVER_PORT
cmdTrans.length = len(data)
self.rxCmdQueue.put(cmdTrans)
for i in range(len(data)):
dataTrans = Transaction()
dataTrans.last = (i == len(data) - 1)
dataTrans.fragment = ord(data[i])
self.rxDataQueue.put(dataTrans)
self.clkTocken[0] += 1000
def genNewCmd(self):
cmd = Transaction()
cmd.hid = randBits(self.idWidth) # Each master can use 4 id
cmd.region = randBits(4)
cmd.len = randBits(4)
cmd.size = random.randint(0, self.maxDataBytes)
cmd.burst = random.randint(0, 2)
if cmd.burst == 2:
cmd.len = random.choice([2, 4, 8, 16]) - 1
else:
cmd.len = randBits(4) + (16 if random.random() < 0.1 else
0) + (32 if random.random() < 0.02 else 0)
cmd.lock = randBits(1)
cmd.cache = randBits(4)
cmd.qos = randBits(4)
cmd.prot = randBits(3)
byteCount = (1 << cmd.size) * (cmd.len + 1)
while (True):
cmd.addr = self.genRandomeAddress() & ~((1 << cmd.size) - 1)
if cmd.burst == 1:
if cmd.addr + byteCount >= (1 << self.addressWidth):
continue
if cmd.burst == 0:
start = cmd.addr
end = start + cmd.size
if cmd.burst == 1:
start = cmd.addr
end = start + byteCount
if cmd.burst == 2:
start = cmd.addr & ~(byteCount - 1)
end = start + byteCount
if self.isAddressRangeBusy(start, end):
continue
break
if self.readWriteRand.get():
cmd.write = 1
beatAddr = cmd.addr
for i in range(cmd.len + 1):
dataTrans = Transaction()
dataTrans.data = randBits(self.dataWidth)
dataTrans.strb = randBits(self.maxDataBytes)
dataTrans.last = 1 if cmd.len == i else 0
self.writeTasks.put(dataTrans)
for s in range(self.maxDataBytes):
if (dataTrans.strb >> s) & 1 == 1:
self.ram[(beatAddr & ~(self.maxDataBytes - 1)) +
s] = (dataTrans.data >> (s * 8)) & 0xFF
beatAddr = Axi4AddrIncr(beatAddr, cmd.burst, cmd.len, cmd.size)
writeRsp = Transaction()
writeRsp.resp = 0
writeRsp.hid = cmd.hid
self.reservedAddresses[writeRsp] = [start, end]
self.writeRspScoreboard.refPush(writeRsp, writeRsp.hid)
else:
cmd.write = 0
beatAddr = cmd.addr
for s in range(cmd.len + 1):
readRsp = Transaction()
addrBase = beatAddr & ~(self.maxDataBytes - 1)
readRsp.data = 0
for i in range(self.maxDataBytes):
readRsp.data |= self.ram[addrBase + i] << (i * 8)
readRsp.resp = 0
readRsp.last = 1 if cmd.len == s else 0
readRsp.hid = cmd.hid
if readRsp.last == 1:
self.reservedAddresses[readRsp] = [start, end]
self.readRspScoreboard.refPush(readRsp, readRsp.hid)
beatAddr = Axi4AddrIncr(beatAddr, cmd.burst, cmd.len, cmd.size)
self.cmdTasks.put(cmd)
def genNewCmd():
length = random.randint(1, (lengthMax // lengthMin)) * lengthMin
if self.doWriteInit:
address = self.writeInitAddress
self.writeInitAddress += length
else:
address = (random.randint(
0, addressRange // lengthMaxAll // len(self.bmbs) - 1) *
len(self.bmbs) + bmbId) * lengthMaxAll
write = random.random() < 0.5 or self.doWriteInit
beatCount = (length + bytePerBeat - 1) // bytePerBeat
context = randBits(len(bmb.cmd.payload.fragment_context))
print("* " + str(context) + " " + str(length) + " " +
str(bytePerBeat) + " " + str(beatCount))
source = 0
if not write:
cmd = Transaction()
cmd.last = True
cmd.fragment_source = source
cmd.fragment_opcode = 0
cmd.fragment_address = address
cmd.fragment_length = length - 1
cmd.fragment_data = randBits(len(
bmb.cmd.payload.fragment_data))
cmd.fragment_mask = randBits(len(
bmb.cmd.payload.fragment_mask))
cmd.fragment_context = context
cmdTasks.put(cmd)
# print("*** R" + str(bmbId) + " " + hex(cmd.fragment_context))
for beat in range(beatCount):
rsp = Transaction()
rsp.last = beat == beatCount - 1
rsp.fragment_source = source
rsp.fragment_context = context
rsp.fragment_opcode = 0
rsp.fragment_data = self.ram.read(
address + beat * bytePerBeat, bytePerBeat)
# print("*** " + str(bmbId) + " " + hex(rsp.fragment_context))
rspTasks.put(rsp)
else:
rsp = Transaction()
rsp.last = True
rsp.fragment_source = source
rsp.fragment_context = context
rsp.fragment_opcode = 0
rsp.fragment_data = None
rspTasks.put(rsp)
# print("*** " + str(bmbId) + " " + hex(rsp.fragment_context))
for beat in range(beatCount):
cmd = Transaction()
cmd.last = beat == beatCount - 1
cmd.fragment_opcode = 1
cmd.fragment_address = address
cmd.fragment_length = length - 1
cmd.fragment_source = source
cmd.fragment_context = context
cmd.fragment_data = randBits(
len(bmb.cmd.payload.fragment_data))
if self.doWriteInit:
cmd.fragment_mask = (
1 << len(bmb.cmd.payload.fragment_mask)) - 1
else:
cmd.fragment_mask = randBits(
len(bmb.cmd.payload.fragment_mask))
cmdTasks.put(cmd)
# print("*** W " + str(bmbId) + " " + hex(cmd.fragment_context) + " " + str(length))
self.ram.write(address + beat * bytePerBeat, bytePerBeat,
cmd.fragment_data, cmd.fragment_mask)
if self.writeInitAddress >= addressRange:
self.writeInitAddress = False
