caravel/verilog/dv/cocotb/tests/logicAnalyzer/la.py

48 lines
1.7 KiB
Python

import random
import cocotb
from cocotb.triggers import FallingEdge,RisingEdge,ClockCycles
import cocotb.log
from interfaces.cpu import RiskV
from interfaces.defsParser import Regs
from cocotb.result import TestSuccess
from tests.common_functions.test_functions import *
from tests.bitbang.bitbang_functions import *
from interfaces.caravel import GPIO_MODE
from cocotb.binary import BinaryValue
reg = Regs()
@cocotb.test()
@repot_test
async def la(dut):
caravelEnv,clock = await test_configure(dut,timeout_cycles=264012)
cpu = RiskV(dut)
cpu.cpu_force_reset()
cpu.cpu_release_reset()
pass_list = (0x1B,0x2B,0x3B,0x4B,0x5B,0x6B,0x7B,0x8B,0x9B,0xaB)
fail_list = (0x1E,0x2E,0x3E,0x4E,0x5E,0x6E,0x7E,0x8E,0x9E,0xaE)
phases_fails = 10
phases_passes = 0
reg1 =0 # buffer
while True:
if cpu.read_debug_reg2() == 0xFF: # test finish
break
if reg1 != cpu.read_debug_reg1():
reg1 = cpu.read_debug_reg1()
if reg1 in pass_list: # pass phase
phases_passes +=1
phases_fails -=1
cocotb.log.info(f"[TEST] test passes phase {hex(reg1)[2]}")
elif reg1 in fail_list: # fail phase
cocotb.log.error(f"[TEST] test fails phase {hex(reg1)[2]} incorrect value recieved {hex(cpu.read_debug_reg2())}")
await ClockCycles(caravelEnv.clk,1)
if phases_fails != 0:
cocotb.log.error(f"[TEST] finish with {phases_passes} phases passes and {phases_fails} phases fails")
else:
cocotb.log.info(f"[TEST] finish with {phases_passes} phases passes and {phases_fails} phases fails")
await ClockCycles(caravelEnv.clk, 10000)