def test_memmap_command_bridge(args=None):
nloops = 37
args = tb_default_args(args)
clock = Clock(0, frequency=50e6)
reset = Reset(0, active=1, async=False)
glbl = Global(clock, reset)
fbtx, fbrx = FIFOBus(), FIFOBus()
memmap = Barebone(glbl, data_width=32, address_width=28)
fbtx.clock = clock
fbrx.clock = clock
def _bench_command_bridge():
tbclk = clock.gen()
tbdut = memmap_command_bridge(glbl, fbtx, fbrx, memmap)
tbfii = fifo_fast(clock, reset, fbtx)
tbfio = fifo_fast(clock, reset, fbrx)
# @todo: add other bus types
tbmem = memmap_peripheral_bb(clock, reset, memmap)
# save the data read ...
read_value = []
@instance
def tbstim():
yield reset.pulse(32)
try:
# test a single address
pkt = CommandPacket(True, 0x0000)
yield pkt.put(fbtx)
yield pkt.get(fbrx, read_value, [0])
pkt = CommandPacket(False, 0x0000, [0x5555AAAA])
yield pkt.put(fbtx)
yield pkt.get(fbrx, read_value, [0x5555AAAA])
# test a bunch of random addresses
for ii in range(nloops):
randaddr = randint(0, (2**20)-1)
randdata = randint(0, (2**32)-1)
pkt = CommandPacket(False, randaddr, [randdata])
yield pkt.put(fbtx)
yield pkt.get(fbrx, read_value, [randdata])
except Exception as err:
print("Error: {}".format(str(err)))
traceback.print_exc()
yield delay(2000)
raise StopSimulation
return tbclk, tbdut, tbfii, tbfio, tbmem, tbstim
run_testbench(_bench_command_bridge, args=args)
def test_memmap_command_bridge(args=None):
nloops = 37
args = tb_default_args(args)
clock = Clock(0, frequency=50e6)
reset = Reset(0, active=1, async=False)
glbl = Global(clock, reset)
fbtx, fbrx = FIFOBus(), FIFOBus()
memmap = Barebone(glbl, data_width=32, address_width=28)
fbtx.clock = clock
fbrx.clock = clock
def _bench_command_bridge():
tbclk = clock.gen()
tbdut = memmap_command_bridge(glbl, fbtx, fbrx, memmap)
tbfii = fifo_fast(clock, reset, fbtx)
tbfio = fifo_fast(clock, reset, fbrx)
# @todo: add other bus types
tbmem = memmap_peripheral_bb(clock, reset, memmap)
# save the data read ...
read_value = []
@instance
def tbstim():
yield reset.pulse(32)
try:
# test a single address
pkt = CommandPacket(True, 0x0000)
yield pkt.put(fbtx)
yield pkt.get(fbrx, read_value, [0])
pkt = CommandPacket(False, 0x0000, [0x5555AAAA])
yield pkt.put(fbtx)
yield pkt.get(fbrx, read_value, [0x5555AAAA])
# test a bunch of random addresses
for ii in range(nloops):
randaddr = randint(0, (2**20) - 1)
randdata = randint(0, (2**32) - 1)
pkt = CommandPacket(False, randaddr, [randdata])
yield pkt.put(fbtx)
yield pkt.get(fbrx, read_value, [randdata])
except Exception as err:
print("Error: {}".format(str(err)))
traceback.print_exc()
yield delay(2000)
raise StopSimulation
return tbclk, tbdut, tbfii, tbfio, tbmem, tbstim
run_testbench(_bench_command_bridge, args=args)
def test_memmap_command_bridge(args=None):
nloops = 37
args = tb_default_args(args)
clock = Clock(0, frequency=50e6)
reset = Reset(0, active=1, async=False)
glbl = Global(clock, reset)
fifobus = FIFOBus()
memmap = Barebone(glbl, data_width=32, address_width=28)
fifobus.clock = clock
def bench_command_bridge():
tbclk = clock.gen()
tbdut = command_bridge(glbl, fifobus, memmap)
readpath, writepath = FIFOBus(), FIFOBus()
readpath.clock = writepath.clock = clock
tbmap = fifobus.assign_read_write_paths(readpath, writepath)
tbftx = fifo_fast(reset, clock, writepath) # user write path
tbfrx = fifo_fast(reset, clock, readpath) # user read path
# @todo: add other bus types
tbmem = memmap_peripheral_bb(clock, reset, memmap)
# save the data read ...
read_value = []
@instance
def tbstim():
yield reset.pulse(32)
fifobus.read.next = False
fifobus.write.next = False
assert not fifobus.full
assert fifobus.empty
assert fifobus.read_data == 0
fifobus.write_data.next = 0
try:
# test a single address
pkt = CommandPacket(True, 0x0000)
yield pkt.put(readpath)
yield pkt.get(writepath, read_value, [0])
pkt = CommandPacket(False, 0x0000, [0x5555AAAA])
yield pkt.put(readpath)
yield pkt.get(writepath, read_value, [0x5555AAAA])
# test a bunch of random addresses
for ii in range(nloops):
randaddr = randint(0, (2**20)-1)
randdata = randint(0, (2**32)-1)
pkt = CommandPacket(False, randaddr, [randdata])
yield pkt.put(readpath)
yield pkt.get(writepath, read_value, [randdata])
except Exception as err:
print("Error: {}".format(str(err)))
traceback.print_exc()
yield delay(2000)
raise StopSimulation
wp_read, wp_valid = Signals(bool(0), 2)
wp_read_data = Signal(intbv(0)[8:])
wp_empty, wp_full = Signals(bool(0), 2)
@always_comb
def tbmon():
wp_read.next = writepath.read
wp_read_data.next = writepath.read_data
wp_valid.next = writepath.read_valid
wp_full.next = writepath.full
wp_empty.next = writepath.empty
return tbclk, tbdut, tbmap, tbftx, tbfrx, tbmem, tbstim, tbmon
run_testbench(bench_command_bridge, args=args)
def test_memmap_command_bridge(args=None):
nloops = 37
args = tb_default_args(args)
clock = Clock(0, frequency=50e6)
reset = Reset(0, active=1, async=False)
glbl = Global(clock, reset)
fifobus = FIFOBus()
memmap = Barebone(glbl, data_width=32, address_width=28)
fifobus.clock = clock
def bench_command_bridge():
tbclk = clock.gen()
tbdut = command_bridge(glbl, fifobus, memmap)
readpath, writepath = FIFOBus(), FIFOBus()
readpath.clock = writepath.clock = clock
tbmap = fifobus.assign_read_write_paths(readpath, writepath)
tbftx = fifo_fast(reset, clock, writepath) # user write path
tbfrx = fifo_fast(reset, clock, readpath) # user read path
# @todo: add other bus types
tbmem = memmap_peripheral_bb(clock, reset, memmap)
# save the data read ...
read_value = []
@instance
def tbstim():
yield reset.pulse(32)
fifobus.read.next = False
fifobus.write.next = False
assert not fifobus.full
assert fifobus.empty
assert fifobus.read_data == 0
fifobus.write_data.next = 0
try:
# test a single address
pkt = CommandPacket(True, 0x0000)
yield pkt.put(readpath)
yield pkt.get(writepath, read_value, [0])
pkt = CommandPacket(False, 0x0000, [0x5555AAAA])
yield pkt.put(readpath)
yield pkt.get(writepath, read_value, [0x5555AAAA])
# test a bunch of random addresses
for ii in range(nloops):
randaddr = randint(0, (2**20) - 1)
randdata = randint(0, (2**32) - 1)
pkt = CommandPacket(False, randaddr, [randdata])
yield pkt.put(readpath)
yield pkt.get(writepath, read_value, [randdata])
except Exception as err:
print("Error: {}".format(str(err)))
traceback.print_exc()
yield delay(2000)
raise StopSimulation
wp_read, wp_valid = Signals(bool(0), 2)
wp_read_data = Signal(intbv(0)[8:])
wp_empty, wp_full = Signals(bool(0), 2)
@always_comb
def tbmon():
wp_read.next = writepath.read
wp_read_data.next = writepath.read_data
wp_valid.next = writepath.read_valid
wp_full.next = writepath.full
wp_empty.next = writepath.empty
return tbclk, tbdut, tbmap, tbftx, tbfrx, tbmem, tbstim, tbmon
run_testbench(bench_command_bridge, args=args)
