mirror of https://github.com/efabless/caravel.git
69 lines
2.7 KiB
Python
69 lines
2.7 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 tests.housekeeping.housekeeping_spi.spi_access_functions import *
|
|
|
|
|
|
|
|
reg = Regs()
|
|
"""Testbench of GPIO configuration through bit-bang method using the StriVe housekeeping SPI."""
|
|
@cocotb.test()
|
|
@repot_test
|
|
async def IRQ_external(dut):
|
|
caravelEnv,clock = await test_configure(dut,timeout_cycles=164360)
|
|
cpu = RiskV(dut)
|
|
cpu.cpu_force_reset()
|
|
cpu.cpu_release_reset()
|
|
cocotb.log.info(f"[TEST] Start IRQ_external test")
|
|
pass_list = (0x1B,0x2B)
|
|
fail_list = (0x1E,0x2E)
|
|
phases_fails = 2
|
|
phases_passes = 0
|
|
reg1 =0 # buffer
|
|
reg2 = 0 #buffer
|
|
|
|
|
|
while True:
|
|
if reg2 != cpu.read_debug_reg2():
|
|
reg2 = cpu.read_debug_reg2()
|
|
if reg2 == 0xFF: # test finish
|
|
break
|
|
if reg2 == 0xAA: # assert mprj 7
|
|
await write_reg_spi(caravelEnv,0x1c,1)
|
|
cocotb.log.info(f"irq 1 = {dut.uut.housekeeping.irq_1_inputsrc.value}")
|
|
caravelEnv.drive_gpio_in((7,7),0)
|
|
await ClockCycles(caravelEnv.clk,10)
|
|
caravelEnv.drive_gpio_in((7,7),1)
|
|
|
|
if reg2 == 0xBB: # deassert mprj 7
|
|
caravelEnv.drive_gpio_in((7,7),0)
|
|
|
|
if reg1 != cpu.read_debug_reg1():
|
|
reg1 = cpu.read_debug_reg1()
|
|
if reg1 in pass_list: # pass phase
|
|
phases_passes +=1
|
|
phases_fails -=1
|
|
if reg1 == 0x1B:
|
|
cocotb.log.info(f"[TEST] Pass interrupt is detected when mprj 7 asserted")
|
|
elif reg1 == 0x2B:
|
|
cocotb.log.info(f"[TEST] Pass interrupt isn't detected when mprj 7 deasserted")
|
|
elif reg1 in fail_list: # pass phase
|
|
if reg1 == 0x1E:
|
|
cocotb.log.error(f"[TEST] Failed interrupt isn't detected when mprj 7 asserted")
|
|
elif reg1 == 0x2E:
|
|
cocotb.log.error(f"[TEST] Failed interrupt is detected when mprj 7 deasserted")
|
|
else:
|
|
cocotb.log.error(f"[TEST] debug register 1 has illegal value")
|
|
await ClockCycles(caravelEnv.clk,10)
|
|
|
|
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") |