xrt_cosim.py

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# Script to help test xrt in cosim mode. No support for xrt in cosim mode in the
# runtime, so this is not an automated test. Just an ad-hoc one.
 
import esiaccel
 
conn = esiaccel.AcceleratorConnection("cosim", "env")
acc = conn.build_accelerator()
rdaddr = acc.ports[esiaccel.AppID("mmio_axi_rdaddr")].write_port("data")
rdaddr.connect()
rddata = acc.ports[esiaccel.AppID("mmio_axi_rddata")].read_port("data")
rddata.connect()
 
wraddr = acc.ports[esiaccel.AppID("mmio_axi_wraddr")].write_port("data")
wraddr.connect()
wrdata = acc.ports[esiaccel.AppID("mmio_axi_wrdata")].write_port("data")
wrdata.connect()
wrresp = acc.ports[esiaccel.AppID("mmio_axi_wrresp")].read_port("data")
wrresp.connect()
 
print("connected")
 
 
def read(addr):
  rdaddr.write(addr)
  d = rddata.read()
  print(f"Read from 0x{addr:02x}: 0x{d:08x}")
  return d
 
 
def write(addr, data):
  wraddr.write(addr)
  wrdata.write(data)
  d = wrresp.read()
  print(f"Write to 0x{addr:02x}: 0x{data:08x} -> {d}")
 
 
for addr in range(0, 0x100, 4):
  d = read(addr)
  if addr == 0x18:
    mani_offset = d
 
for addr in range(mani_offset, mani_offset + 0x100, 4):
  read(addr)
 
write(262144 + 8, 30)
write(262144 + 12, 40)
read(262144 + 32)
read(262144 + 36)