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 genWriteRsp(self):
if len(self.writeCmds) != 0:
if not self.writeRspIdleRand.get():
return None
cmd = self.writeCmds[0]
beatCount = cmd.len + 1
if len(self.writeDatas) >= beatCount:
datas = self.writeDatas[0:beatCount - 1]
#Check it
masterWrite = next(write
for write in self.idToWrites[cmd.hid & 0xF]
if write.addr >> 10 == self.hid)
assertEquals(cmd.addr, masterWrite.addr, "write cmd missmatch")
assertEquals(cmd.len, masterWrite.len, "write cmd missmatch")
for data, dataRef in zip(datas, masterWrite.linkedDatas):
assertEquals(data.data, dataRef.data,
"write data missmatch")
#Clean
self.writeCmds = self.writeCmds[1:]
self.writeDatas = self.writeDatas[beatCount:]
self.idToWrites[cmd.hid & 0xF].remove(masterWrite)
#Answer
trans = Transaction()
trans.hid = cmd.hid
trans.resp = 0
return trans
return None
def onWriteCmd(self,cmd):
rsp = Transaction()
rsp.hid = cmd.hid
if cmd.addr < (1 << 14):
rsp.resp = 0
else:
rsp.resp = 3
self.writeRspScoreboard.refPush(rsp, cmd.hid)
def onWriteCmd(self, cmd):
rsp = Transaction()
rsp.hid = cmd.hid
if cmd.addr < (1 << 14):
rsp.resp = 0
else:
rsp.resp = 3
self.writeRspScoreboard.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 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 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 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 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 genReadCmd(self):
if self.closeIt:
return None
if not self.readCmdIdleRand.get():
return None
idOffset = randBits(2)
trans = Transaction()
trans.addr = self.genRandomReadAddress()
trans.hid = self.idBase * 4 + idOffset #Each master can use 4 id
trans.region = randBits(4)
trans.len = randBits(4)
trans.size = randBits(3)
trans.burst = randBits(2)
trans.lock = randBits(1)
trans.cache = randBits(4)
trans.qos = randBits(4)
trans.prot = randBits(3)
return trans
def genReadCmd(self):
if self.closeIt:
return None
if not self.readCmdIdleRand.get():
return None
idOffset = randBits(2)
trans = Transaction()
trans.addr = self.genRandomReadAddress()
trans.hid = self.idBase*4 + idOffset #Each master can use 4 id
trans.region = randBits(4)
trans.len = randBits(4)
trans.size = randBits(3)
trans.burst = randBits(2)
trans.lock = randBits(1)
trans.cache = randBits(4)
trans.qos = randBits(4)
trans.prot = randBits(3)
return trans
def managePendingWrites(self):
if len(self.writeCmds) != 0:
cmd = self.writeCmds[0]
beatCount = cmd.len + 1
if len(self.writeDatas) >= beatCount:
datas = self.writeDatas[0:beatCount - 1]
# Clean
self.writeCmds = self.writeCmds[1:]
self.writeDatas = self.writeDatas[beatCount:]
# Rsp
rsp = Transaction()
rsp.hid = cmd.hid
rsp.resp = 0
queue = self.writeRspQueues[cmd.hid]
if queue.empty():
self.nonEmptyWriteRspQueues.append(queue)
queue.put(rsp)
def managePendingWrites(self):
if len(self.writeCmds) != 0:
cmd = self.writeCmds[0]
beatCount = cmd.len + 1
if len(self.writeDatas) >= beatCount:
datas = self.writeDatas[0:beatCount - 1]
# Clean
self.writeCmds = self.writeCmds[1:]
self.writeDatas = self.writeDatas[beatCount:]
# Rsp
rsp = Transaction()
rsp.hid = cmd.hid
rsp.resp = 0
queue = self.writeRspQueues[cmd.hid]
if queue.empty():
self.nonEmptyWriteRspQueues.append(queue)
queue.put(rsp)
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 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 genReadCmd(self):
if self.doFinish:
return None
if not self.readCmdIdleRand.get():
return None
idOffset = randBits(2)
trans = Transaction()
trans.addr = self.genRandomAddress()
if random.random() < 0.1: # Random assertion of decoding error
trans.addr = 1 << 12
trans.hid = self.hid * 4 + idOffset #Each master can use 4 id
trans.region = randBits(4)
trans.len = randBits(4)
trans.size = randBits(3)
trans.burst = randBits(2)
trans.lock = randBits(1)
trans.cache = randBits(4)
trans.qos = randBits(4)
trans.prot = randBits(3)
trans.progress = 0
self.readMonitorQueues[idOffset].put(trans)
# print("Master START %d %x" % (trans.hid, trans.addr))
return trans
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)
