def test_singleLong(self):
u = self.u
req = u.driver._ag.req
aw = u.a._ag.data
wIn = u.driver.w._ag
w = u.w._ag.data
b = u.b._ag.data
# download one word from addr 0xff
req.data.append(mkReq(0xff, self.LEN_MAX))
for i in range(self.LEN_MAX + 1 + 10):
wIn.data.append((100 + 1, mask(8), i == self.LEN_MAX))
b.append((0, RESP_OKAY))
self.runSim((10 + self.LEN_MAX) * 10 * Time.ns)
self.assertValSequenceEqual(aw,
[
self.aTrans(
id_=0, addr=0xff, len_=self.LEN_MAX)
])
self.assertEqual(len(w), self.LEN_MAX + 1)
self.assertEmpty(b)
self.assertEqual(len(u.driver._ag.ack.data), 1)
def test_multiple_randomized(self):
u = self.u
req = u.driver._ag.req
aw = u.a._ag.data
wIn = u.driver.w._ag
w = u.w._ag.data
b = u.b._ag.data
N = 50
# download one word from addr 0xff
for i in range(N):
req.data.append(mkReq((i * 8) + 0xff, 0))
wIn.data.append((77, mask(64 // 8 - 1), 1))
b.append((0, RESP_OKAY))
ra = self.randomize
ra(u.a)
ra(u.b)
ra(u.driver.req)
ra(u.driver.ack)
ra(u.w)
ra(u.driver.w)
self.runSim(N * 8 * 10 * Time.ns)
self.assertValSequenceEqual(aw, [
self.aTrans(id_=0, addr=0xff + (8 * i), len_=0) for i in range(N)
])
self.assertEqual(len(w), N)
self.assertEmpty(b)
self.assertEqual(len(u.driver._ag.ack.data), N)
def test_multiple_randomized(self):
u = self.u
req = u.driver._ag.req
aw = u.a._ag.data
wIn = u.driver.w._ag
w = u.w._ag.data
b = u.b._ag.data
N = 50
# download one word from addr 0xff
for i in range(N):
req.data.append(mkReq((i * 8) + 0xff, 0))
wIn.data.append((77, mask(64 // 8 - 1), 1))
b.append((0, RESP_OKAY))
ra = self.randomize
ra(u.a)
ra(u.b)
ra(u.driver.req)
ra(u.driver.ack)
ra(u.w)
ra(u.driver.w)
self.runSim(N * 8 * 10 * Time.ns)
self.assertValSequenceEqual(aw,
[
self.aTrans(
id_=0, addr=0xff + (8 * i), len_=0)
for i in range(N)
])
self.assertEqual(len(w), N)
self.assertEmpty(b)
self.assertEqual(len(u.driver._ag.ack.data), N)
def test_simple(self):
u = self.u
req = u.driver._ag.req
aw = u.a._ag.data
# download one word from addr 0xff
req.data.append(mkReq(0xff, 0))
self.runSim(200 * Time.ns)
self.assertValSequenceEqual(aw, [self.aTrans(0, 255, 0)])
self.assertEmpty(u.w._ag.data)
def test_3x128(self, N=128):
u = self.u
m = Axi3DenseMem(u.clk, axiAW=u.aw, axiW=u.w, axiB=u.b)
_mask = mask(self.DATA_WIDTH // 8)
data = [[self._rand.getrandbits(self.DATA_WIDTH) for _ in range(N)]
for _ in range(self.DRIVER_CNT)]
dataAddress = [
m.malloc(N * self.DATA_WIDTH // 8) for _ in range(self.DRIVER_CNT)
]
for di, _data in enumerate(data):
req = u.drivers[di].req._ag
wIn = u.drivers[di].w._ag
dataIt = iter(_data)
addr = dataAddress[di]
end = False
while True:
frameSize = self._rand.getrandbits(4) + 1
frame = []
try:
for _ in range(frameSize):
frame.append(next(dataIt))
except StopIteration:
end = True
if frame:
req.data.append(mkReq(addr, len(frame) - 1))
wIn.data.extend([(d, _mask, i == len(frame) - 1)
for i, d in enumerate(frame)])
addr += len(frame) * self.DATA_WIDTH // 8
if end:
break
r = self.randomize
for d in u.drivers:
r(d.req)
r(d.w)
r(d.ack)
r(u.aw)
r(u.w)
r(u.b)
self.runSim(self.DRIVER_CNT * N * 40 * Time.ns)
for i, baseAddr in enumerate(dataAddress):
inMem = m.getArray(baseAddr, self.DATA_WIDTH // 8, N)
self.assertValSequenceEqual(inMem, data[i], "driver:%d" % i)
def test_3x128(self):
u = self.u
m = DenseMemory(self.DATA_WIDTH, u.clk, wDatapumpIntf=u.wDatapump)
N = 128
_mask = mask(self.DATA_WIDTH // 8)
data = [[self._rand.getrandbits(self.DATA_WIDTH) for _ in range(N)]
for _ in range(self.DRIVER_CNT)]
dataAddress = [m.malloc(N * self.DATA_WIDTH // 8) for _ in range(self.DRIVER_CNT)]
for di, _data in enumerate(data):
req = u.drivers[di].req._ag
wIn = u.drivers[di].w._ag
dataIt = iter(_data)
addr = dataAddress[di]
end = False
while True:
frameSize = self._rand.getrandbits(4) + 1
frame = []
try:
for _ in range(frameSize):
frame.append(next(dataIt))
except StopIteration:
end = True
if frame:
req.data.append(mkReq(addr, len(frame) - 1))
wIn.data.extend([(d, _mask, i == len(frame) - 1)
for i, d in enumerate(frame)])
addr += len(frame) * self.DATA_WIDTH // 8
if end:
break
ra = self.randomize
for d in u.drivers:
ra(d.req)
ra(d.w)
ra(d.ack)
ra(u.wDatapump.req)
ra(u.wDatapump.w)
ra(u.wDatapump.ack)
self.runSim(self.DRIVER_CNT * N * 50 * Time.ns)
for i, baseAddr in enumerate(dataAddress):
inMem = m.getArray(baseAddr, self.DATA_WIDTH // 8, N)
self.assertValSequenceEqual(inMem, data[i], "driver:%d" % i)
def test_multiple_randomized2(self):
u = self.u
req = u.driver._ag.req
aw = u.a._ag.data
wIn = u.driver.w._ag
w = u.w._ag.data
b = u.b._ag.data
N = 50
L = 3
expectedWData = []
# download one word from addr 0xff
for i in range(N):
req.data.append(mkReq((i * 8) + 0xff, L - 1))
for i in range(L):
d = 77 + i
m = mask(64 // 8 - 1)
last = int(i == (L - 1))
wIn.data.append((d, m, last))
beat = self.wTrans(d, last, strb=m, id_=0)
expectedWData.append(beat)
b.append((0, RESP_OKAY))
ra = self.randomize
ra(u.a)
ra(u.b)
ra(u.driver.req)
ra(u.driver.ack)
ra(u.w)
ra(u.driver.w)
self.runSim(N * L * 10 * 5 * Time.ns)
self.assertValSequenceEqual(aw,
[
self.aTrans(
id_=0, addr=0xff + (8 * i), len_=L - 1)
for i in range(N)
])
self.assertEqual(len(w), N * 3)
for expWD, wd in zip(expectedWData, w):
self.assertValSequenceEqual(wd, expWD)
self.assertEqual(len(b), 0)
self.assertEqual(len(u.driver._ag.ack.data), N)
def test_simple(self):
u = self.u
req = u.driver._ag.req
aw = u.a._ag.data
# download one word from addr 0xff
req.data.append(mkReq(0xff, 0))
self.runSim(200 * Time.ns)
self.assertValSequenceEqual(aw,
[
self.aTrans(0, 255, 0)
])
self.assertEmpty(u.w._ag.data)
def test_multiple_randomized2(self):
u = self.u
req = u.driver._ag.req
aw = u.a._ag.data
wIn = u.driver.w._ag
w = u.w._ag.data
b = u.b._ag.data
N = 50
L = 3
expectedWData = []
# download one word from addr 0xff
for i in range(N):
req.data.append(mkReq((i * 8) + 0xff, L - 1))
for i in range(L):
d = 77 + i
m = mask(64 // 8 - 1)
last = int(i == (L - 1))
wIn.data.append((d, m, last))
beat = self.wTrans(d, last, strb=m, id_=0)
expectedWData.append(beat)
b.append((0, RESP_OKAY))
ra = self.randomize
ra(u.a)
ra(u.b)
ra(u.driver.req)
ra(u.driver.ack)
ra(u.w)
ra(u.driver.w)
self.runSim(N * L * 10 * 5 * Time.ns)
self.assertValSequenceEqual(aw, [
self.aTrans(id_=0, addr=0xff + (8 * i), len_=L - 1)
for i in range(N)
])
self.assertEqual(len(w), N * 3)
for expWD, wd in zip(expectedWData, w):
self.assertValSequenceEqual(wd, expWD)
self.assertEqual(len(b), 0)
self.assertEqual(len(u.driver._ag.ack.data), N)
def test_1024random(self):
u = self.u
req = u.driver._ag.req
wIn = u.driver.w._ag
dataMask = mask(self.DATA_WIDTH // 8)
m = Axi3DenseMem(u.clk, axiAW=u.a, axiW=u.w, axiB=u.b)
N = 1024
data = [self._rand.getrandbits(self.DATA_WIDTH) for _ in range(N)]
buff = m.malloc(N * (self.DATA_WIDTH // 8))
dataIt = iter(data)
end = False
addr = 0
while True:
frameSize = self._rand.getrandbits(self.LEN_MAX.bit_length()) + 1
frame = []
try:
for _ in range(frameSize):
frame.append(next(dataIt))
except StopIteration:
end = True
if frame:
req.data.append(mkReq(addr, len(frame) - 1))
wIn.data.extend([(d, dataMask, i == len(frame) - 1)
for i, d in enumerate(frame)])
addr += len(frame) * self.DATA_WIDTH // 8
if end:
break
ra = self.randomize
ra(u.a)
ra(u.b)
ra(u.driver.req)
ra(u.driver.ack)
ra(u.w)
ra(u.driver.w)
self.runSim(N * 50 * Time.ns)
inMem = m.getArray(buff, self.DATA_WIDTH // 8, N)
self.assertValSequenceEqual(inMem, data)
def test_1024random(self):
u = self.u
req = u.driver._ag.req
wIn = u.driver.w._ag
dataMask = mask(self.DATA_WIDTH // 8)
m = Axi3DenseMem(u.clk, axiAW=u.a, axiW=u.w, axiB=u.b)
N = 1024
data = [self._rand.getrandbits(self.DATA_WIDTH) for _ in range(N)]
buff = m.malloc(N * (self.DATA_WIDTH // 8))
dataIt = iter(data)
end = False
addr = 0
while True:
frameSize = self._rand.getrandbits(self.LEN_MAX.bit_length()) + 1
frame = []
try:
for _ in range(frameSize):
frame.append(next(dataIt))
except StopIteration:
end = True
if frame:
req.data.append(mkReq(addr, len(frame) - 1))
wIn.data.extend([(d, dataMask, i == len(frame) - 1)
for i, d in enumerate(frame)])
addr += len(frame) * self.DATA_WIDTH // 8
if end:
break
ra = self.randomize
ra(u.a)
ra(u.b)
ra(u.driver.req)
ra(u.driver.ack)
ra(u.w)
ra(u.driver.w)
self.runSim(N * 50 * Time.ns)
inMem = m.getArray(buff, self.DATA_WIDTH // 8, N)
self.assertValSequenceEqual(inMem, data)
def test_simpleWithData(self):
u = self.u
req = u.driver._ag.req
aw = u.a._ag.data
wIn = u.driver.w._ag
w = u.w._ag.data
b = u.b._ag.data
# download one word from addr 0xff
req.data.append(mkReq(0xff, 0))
wIn.data.append((77, mask(64 // 8), 1))
b.append((0, RESP_OKAY))
self.runSim(200 * Time.ns)
self.assertValSequenceEqual(aw, [self.aTrans(0, 255, 0)])
self.assertValSequenceEqual(
w, [self.wTrans(77, 1, strb=mask(64 // 8), id_=0)])
self.assertEmpty(b)
def test_simpleWithData(self):
u = self.u
req = u.driver._ag.req
aw = u.a._ag.data
wIn = u.driver.w._ag
w = u.w._ag.data
b = u.b._ag.data
# download one word from addr 0xff
req.data.append(mkReq(0xff, 0))
wIn.data.append((77, mask(64 // 8), 1))
b.append((0, RESP_OKAY))
self.runSim(200 * Time.ns)
self.assertValSequenceEqual(aw, [
self.aTrans(0, 255, 0)
])
self.assertValSequenceEqual(
w, [self.wTrans(77, 1, strb=mask(64 // 8), id_=0)])
self.assertEmpty(b)
def test_singleLong(self):
u = self.u
req = u.driver._ag.req
aw = u.a._ag.data
wIn = u.driver.w._ag
w = u.w._ag.data
b = u.b._ag.data
# download one word from addr 0xff
req.data.append(mkReq(0xff, self.LEN_MAX))
for i in range(self.LEN_MAX + 1 + 10):
wIn.data.append((100 + 1, mask(8), i == self.LEN_MAX))
b.append((0, RESP_OKAY))
self.runSim((10 + self.LEN_MAX) * 10 * Time.ns)
self.assertValSequenceEqual(
aw, [self.aTrans(id_=0, addr=0xff, len_=self.LEN_MAX)])
self.assertEqual(len(w), self.LEN_MAX + 1)
self.assertEmpty(b)
self.assertEqual(len(u.driver._ag.ack.data), 1)
