Example #1
0
def mkLed(numthreads=8):
    m = Module('blinkled')
    clk = m.Input('CLK')
    rst = m.Input('RST')

    mymutex = vthread.Mutex(m, 'mymutex', clk, rst)

    def myfunc(tid):
        mymutex.lock()
        print("Thread %d Lock" % tid)

        for i in range(20):
            pass  # sleep

        print("Thread %d Hello" % tid)

        mymutex.unlock()
        print("Thread %d Unlock" % tid)

    def blink():
        for tid in range(numthreads):
            pool.run(tid, tid)

        for tid in range(numthreads):
            pool.join(tid)

    th = vthread.Thread(m, 'th_blink', clk, rst, blink)
    pool = vthread.ThreadPool(m, 'th_myfunc', clk, rst, myfunc, numthreads)
    fsm = th.start()

    return m
Example #2
0
def mkLed(numthreads=8):
    m = Module('blinkled')
    clk = m.Input('CLK')
    rst = m.Input('RST')
    led = m.OutputReg('LED', 8)

    datawidth = 32
    addrwidth = 10
    myram = vthread.RAM(m, 'myram', clk, rst, datawidth, addrwidth)

    mymutex = vthread.Mutex(m, 'mymutex', clk, rst)

    def myfunc(tid, size):
        mymutex.lock()
        print("Thread %d Lock" % tid)

        for i in range(size):
            read_data = myram.read(i)
            write_data = read_data + tid + i
            myram.write(i, write_data)
            print("Thread %d ram[%d] <- %d" % (tid, i, write_data))

        mymutex.unlock()
        print("Thread %d Unlock" % tid)

    def blink():
        all_ok = True

        size = 16
        for i in range(size):
            myram.write(i, 0)

        for tid in range(numthreads):
            pool.run(tid, tid, size)

        for tid in range(numthreads):
            pool.join(tid)

        for i in range(size):
            read_data = myram.read(i)
            led.value = read_data
            print("result ram[%d] = %d" % (i, read_data))

            expected = i * numthreads + (0 + numthreads - 1) * numthreads // 2
            if vthread.verilog.NotEql(read_data, expected):
                all_ok = False
                print(i, read_data, expected)

        if all_ok:
            print('# verify: PASSED')
        else:
            print('# verify: FAILED')

    th = vthread.Thread(m, 'th_blink', clk, rst, blink)
    pool = vthread.ThreadPool(m, 'th_myfunc', clk, rst, myfunc, numthreads)
    fsm = th.start()

    return m
Example #3
0
def mkLed(numthreads=8):
    m = Module('blinkled')
    clk = m.Input('CLK')
    rst = m.Input('RST')
    led = m.OutputReg('LED', 8)

    datawidth = 32
    addrwidth = 10
    myram = vthread.RAM(m, 'myram', clk, rst, datawidth, addrwidth)

    mymutex = vthread.Mutex(m, 'mymutex', clk, rst)

    def myfunc(tid, size):
        mymutex.lock()
        print("Thread %d Lock" % tid)

        for i in range(size):
            read_data = myram.read(i)
            write_data = read_data + tid + i
            myram.write(i, write_data)
            print("Thread %d ram[%d] <- %d" % (tid, i, write_data))

        mymutex.unlock()
        print("Thread %d Unlock" % tid)

    def blink():
        size = 16
        for i in range(size):
            myram.write(i, 0)

        for tid in range(numthreads):
            pool.run(tid, tid, size)

        for tid in range(numthreads):
            pool.join(tid)

        for i in range(size):
            read_data = myram.read(i)
            led.value = read_data
            print("result ram[%d] = %d" % (i, read_data))

    th = vthread.Thread(m, 'th_blink', clk, rst, blink)
    pool = vthread.ThreadPool(m, 'th_myfunc', clk, rst, myfunc, numthreads)
    fsm = th.start()

    return m
Example #4
0
def mkLed(numthreads=8):
    m = Module('blinkled')
    clk = m.Input('CLK')
    rst = m.Input('RST')
    led = m.Output('LED', 8)

    count = vthread.Shared(m.Reg('count', 32, initval=0))
    led.assign(count.value)

    mymutex = vthread.Mutex(m, 'mymutex', clk, rst)

    def myfunc(tid):
        mymutex.lock()
        print("Thread %d Lock" % tid)

        for i in range(20):
            pass  # sleep

        count.write(count.value + 1)
        print("Thread %d count = %d" % (tid, count.value))

        mymutex.unlock()
        print("Thread %d Unlock" % tid)

    def blink():
        count.write(0)
        for tid in range(numthreads):
            pool.run(tid, tid)

        for tid in range(numthreads):
            pool.join(tid)

        print("result count = %d" % count.value)

    th = vthread.Thread(m, 'th_blink', clk, rst, blink)
    pool = vthread.ThreadPool(m, 'th_myfunc', clk, rst, myfunc, numthreads)
    fsm = th.start()

    return m
Example #5
0
def mkLed(numthreads=64):
    m = Module('blinkled')
    clk = m.Input('CLK')
    rst = m.Input('RST')

    btnc = m.Input('btnC')
    btnu = m.Input('btnU')
    btnl = m.Input('btnL')
    btnr = m.Input('btnR')
    btnd = m.Input('btnD')
    sw = m.Input('sw', 16)
    led = m.Output('led', 16)

    count = vthread.Shared(m.Reg('count', 15, initval=0))
    done = m.Reg('done', initval=0)
    led.assign(Cat(done, count.value))

    mymutex = vthread.Mutex(m, 'mymutex', clk, rst)

    def sleep(time):
        for i in range(time):
            for _ in range(1024):
                pass  # sleep

    def myfunc(tid):
        mymutex.lock()
        print("Thread %d Lock" % tid)

        sleep(sw)

        count.write(count.value + 1)
        print("Thread %d count = %d" % (tid, count.value))

        mymutex.unlock()
        print("Thread %d Unlock" % tid)

    def wait_start(polarity=True):
        while btnc != polarity:
            pass

    def blink():
        count.write(0)

        while True:
            done.value = 0
            wait_start()

            for tid in range(numthreads):
                pool.run(tid, tid)

            for tid in range(numthreads):
                pool.join(tid)

            for tid in range(numthreads):
                pool.reset(tid)

            done.value = 1

    th = vthread.Thread(m, 'th_blink', clk, rst, blink)
    pool = vthread.ThreadPool(m, 'th_myfunc', clk, rst, myfunc, numthreads)
    fsm = th.start()

    return m