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40 lines
928 B
Python
40 lines
928 B
Python
3 years ago
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#!/usr/bin/python3
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import os
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import subprocess
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from pexpect import fdpexpect
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import sys
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import signal
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cmd = [ './microwatt-verilator' ]
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devNull = open(os.devnull, 'w')
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE,
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stdin=subprocess.PIPE, stderr=devNull)
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exp = fdpexpect.fdspawn(p.stdout)
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exp.logfile = sys.stdout.buffer
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exp.expect('Type "help\(\)" for more information.')
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exp.expect('>>>')
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p.stdin.write(b'n2=0\r\n')
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p.stdin.write(b'n1=1\r\n')
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p.stdin.write(b'for i in range(5):\r\n')
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p.stdin.write(b' n0 = n1 + n2\r\n')
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p.stdin.write(b' print(n0)\r\n')
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p.stdin.write(b' n2 = n1\r\n')
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p.stdin.write(b' n1 = n0\r\n')
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p.stdin.write(b'\r\n')
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p.stdin.flush()
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exp.expect('n1 = n0', timeout=600)
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exp.expect('1', timeout=600)
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exp.expect('2', timeout=600)
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exp.expect('3', timeout=600)
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exp.expect('5', timeout=600)
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exp.expect('8', timeout=600)
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exp.expect('>>>', timeout=600)
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os.kill(p.pid, signal.SIGKILL)
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